From 13dad760e722597f89148c5625bbab7bba657af5 Mon Sep 17 00:00:00 2001
From: YWHyuk <kjhg4321@naver.com>
Date: Sun, 1 Mar 2020 23:32:20 +0900
Subject: [PATCH] Fix rs_write (Modern early serial write style)

---
 Makefile         |     2 +-
 fs/Makefile      |     2 +-
 init/main.c      |     6 +-
 init/main.dis    |   689 ---
 kernel/Makefile  |     2 +-
 kernel/serial.c  |    11 +-
 kernel/tty_io.c  |    10 +-
 lab/Image        |   Bin 100969 -> 0 bytes
 lab/gdb.sh       |     2 +-
 lab/log          |   Bin 0 -> 12 bytes
 lab/qemu.sh      |     5 +-
 lib/Makefile     |     2 +-
 mk               |   Bin 8600 -> 8648 bytes
 mk.c             |     5 +-
 mm/Makefile      |     2 +-
 tools/system.dis | 12755 ---------------------------------------------
 tools/system.elf |   Bin 2206496 -> 0 bytes
 17 files changed, 28 insertions(+), 13465 deletions(-)
 delete mode 100644 init/main.dis
 delete mode 100644 lab/Image
 create mode 100644 lab/log
 delete mode 100644 tools/system.dis
 delete mode 100755 tools/system.elf

diff --git a/Makefile b/Makefile
index 51e00e1..3dae31e 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ AS	=as
 LD	=ld
 LDFLAGS	=-m elf_i386 -s -x -M
 CC	=gcc
-CFLAGS	=-Wall -O -m32 -march=i386 -fomit-frame-pointer\
+CFLAGS	=-Wall -O0 -m32 -march=i386 -fomit-frame-pointer\
 	-fstack-protector-explicit -s -fno-pic -g
 AFLAGS  =--32 -march=i386
 CPP	=gcc -E -nostdinc -Iinclude
diff --git a/fs/Makefile b/fs/Makefile
index 9d1a598..b741e2e 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -4,7 +4,7 @@ CC	=gcc
 LD	=ld
 LDFLAGS =-m elf_i386 -r
 CFLAGS	=-Wall -O -m32 -march=i386 -fomit-frame-pointer \
-	-nostdinc -I../include -fstack-protector-explicit -fno-pic
+	-nostdinc -I../include -fstack-protector-explicit -fno-pic -g
 AFLAGS  =--32 -march=i386
 CPP	=gcc -E -nostdinc -I../include
 
diff --git a/init/main.c b/init/main.c
index dd1dc2a..765fabd 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1,7 +1,6 @@
 #define __LIBRARY__
 #include <unistd.h>
 #include <time.h>
-
 /*
  * we need this inline - forking from kernel space will result
  * in NO COPY ON WRITE (!!!), until an execve is executed. This
@@ -40,7 +39,7 @@ extern void init(void);
 extern void hd_init(void);
 extern long kernel_mktime(struct tm * tm);
 extern long startup_time;
-
+extern int printk(const char* format, ...);
 /*
  * Yeah, yeah, it's ugly, but I cannot find how to do this correctly
  * and this seems to work. I anybody has more info on the real-time
@@ -89,6 +88,7 @@ int main(void)		/* This really IS void, no error here. */
 	buffer_init();
 	hd_init();
 	sti();
+	printk("Test");
 	move_to_user_mode();
 	if (!fork()) {		/* we count on this going ok */
 		init();
@@ -120,7 +120,7 @@ static char * envp[] = { "HOME=/usr/root", NULL };
 void init(void)
 {
 	int i,j;
-
+	printf("I'm init");
 	setup();
 	if (!fork())
 		_exit(execve("/bin/update",NULL,NULL));
diff --git a/init/main.dis b/init/main.dis
deleted file mode 100644
index c1f2781..0000000
--- a/init/main.dis
+++ /dev/null
@@ -1,689 +0,0 @@
-
-main.o:     file format elf32-i386
-
-
-Disassembly of section .group:
-
-00000000 <.group>:
-   0:	01 00                	add    %eax,(%eax)
-   2:	00 00                	add    %al,(%eax)
-   4:	0b 00                	or     (%eax),%eax
-	...
-
-Disassembly of section .group:
-
-00000000 <.group>:
-   0:	01 00                	add    %eax,(%eax)
-   2:	00 00                	add    %al,(%eax)
-   4:	0c 00                	or     $0x0,%al
-	...
-
-Disassembly of section .text:
-
-00000000 <printf>:
-   0:	57                   	push   %edi
-   1:	56                   	push   %esi
-   2:	53                   	push   %ebx
-   3:	e8 fc ff ff ff       	call   4 <printf+0x4>
-   8:	81 c3 02 00 00 00    	add    $0x2,%ebx
-   e:	83 ec 04             	sub    $0x4,%esp
-  11:	8d 44 24 18          	lea    0x18(%esp),%eax
-  15:	50                   	push   %eax
-  16:	ff 74 24 18          	pushl  0x18(%esp)
-  1a:	8d bb 00 00 00 00    	lea    0x0(%ebx),%edi
-  20:	57                   	push   %edi
-  21:	e8 fc ff ff ff       	call   22 <printf+0x22>
-  26:	89 c6                	mov    %eax,%esi
-  28:	83 c4 0c             	add    $0xc,%esp
-  2b:	50                   	push   %eax
-  2c:	57                   	push   %edi
-  2d:	6a 01                	push   $0x1
-  2f:	e8 fc ff ff ff       	call   30 <printf+0x30>
-  34:	83 c4 10             	add    $0x10,%esp
-  37:	89 f0                	mov    %esi,%eax
-  39:	5b                   	pop    %ebx
-  3a:	5e                   	pop    %esi
-  3b:	5f                   	pop    %edi
-  3c:	c3                   	ret    
-
-0000003d <fork>:
-  3d:	e8 fc ff ff ff       	call   3e <fork+0x1>
-  42:	81 c1 02 00 00 00    	add    $0x2,%ecx
-  48:	ba 02 00 00 00       	mov    $0x2,%edx
-  4d:	89 d0                	mov    %edx,%eax
-  4f:	cd 80                	int    $0x80
-  51:	89 c2                	mov    %eax,%edx
-  53:	85 c0                	test   %eax,%eax
-  55:	78 01                	js     58 <fork+0x1b>
-  57:	c3                   	ret    
-  58:	f7 da                	neg    %edx
-  5a:	8b 81 00 00 00 00    	mov    0x0(%ecx),%eax
-  60:	89 10                	mov    %edx,(%eax)
-  62:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-  67:	eb ee                	jmp    57 <fork+0x1a>
-
-00000069 <pause>:
-  69:	e8 fc ff ff ff       	call   6a <pause+0x1>
-  6e:	81 c1 02 00 00 00    	add    $0x2,%ecx
-  74:	ba 1d 00 00 00       	mov    $0x1d,%edx
-  79:	89 d0                	mov    %edx,%eax
-  7b:	cd 80                	int    $0x80
-  7d:	89 c2                	mov    %eax,%edx
-  7f:	85 c0                	test   %eax,%eax
-  81:	78 01                	js     84 <pause+0x1b>
-  83:	c3                   	ret    
-  84:	f7 da                	neg    %edx
-  86:	8b 81 00 00 00 00    	mov    0x0(%ecx),%eax
-  8c:	89 10                	mov    %edx,(%eax)
-  8e:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-  93:	eb ee                	jmp    83 <pause+0x1a>
-
-00000095 <setup>:
-  95:	e8 fc ff ff ff       	call   96 <setup+0x1>
-  9a:	81 c1 02 00 00 00    	add    $0x2,%ecx
-  a0:	ba 00 00 00 00       	mov    $0x0,%edx
-  a5:	89 d0                	mov    %edx,%eax
-  a7:	cd 80                	int    $0x80
-  a9:	89 c2                	mov    %eax,%edx
-  ab:	85 c0                	test   %eax,%eax
-  ad:	78 01                	js     b0 <setup+0x1b>
-  af:	c3                   	ret    
-  b0:	f7 da                	neg    %edx
-  b2:	8b 81 00 00 00 00    	mov    0x0(%ecx),%eax
-  b8:	89 10                	mov    %edx,(%eax)
-  ba:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-  bf:	eb ee                	jmp    af <setup+0x1a>
-
-000000c1 <sync>:
-  c1:	e8 fc ff ff ff       	call   c2 <sync+0x1>
-  c6:	81 c1 02 00 00 00    	add    $0x2,%ecx
-  cc:	ba 24 00 00 00       	mov    $0x24,%edx
-  d1:	89 d0                	mov    %edx,%eax
-  d3:	cd 80                	int    $0x80
-  d5:	89 c2                	mov    %eax,%edx
-  d7:	85 c0                	test   %eax,%eax
-  d9:	78 01                	js     dc <sync+0x1b>
-  db:	c3                   	ret    
-  dc:	f7 da                	neg    %edx
-  de:	8b 81 00 00 00 00    	mov    0x0(%ecx),%eax
-  e4:	89 10                	mov    %edx,(%eax)
-  e6:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-  eb:	eb ee                	jmp    db <sync+0x1a>
-
-000000ed <init>:
-  ed:	53                   	push   %ebx
-  ee:	83 ec 18             	sub    $0x18,%esp
-  f1:	e8 fc ff ff ff       	call   f2 <init+0x5>
-  f6:	81 c3 02 00 00 00    	add    $0x2,%ebx
-  fc:	65 a1 14 00 00 00    	mov    %gs:0x14,%eax
- 102:	89 44 24 0c          	mov    %eax,0xc(%esp)
- 106:	31 c0                	xor    %eax,%eax
- 108:	e8 fc ff ff ff       	call   109 <init+0x1c>
- 10d:	e8 fc ff ff ff       	call   10e <init+0x21>
- 112:	85 c0                	test   %eax,%eax
- 114:	75 1b                	jne    131 <init+0x44>
- 116:	83 ec 04             	sub    $0x4,%esp
- 119:	6a 00                	push   $0x0
- 11b:	6a 00                	push   $0x0
- 11d:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 123:	50                   	push   %eax
- 124:	e8 fc ff ff ff       	call   125 <init+0x38>
- 129:	89 04 24             	mov    %eax,(%esp)
- 12c:	e8 fc ff ff ff       	call   12d <init+0x40>
- 131:	83 ec 04             	sub    $0x4,%esp
- 134:	6a 00                	push   $0x0
- 136:	6a 02                	push   $0x2
- 138:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 13e:	50                   	push   %eax
- 13f:	e8 fc ff ff ff       	call   140 <init+0x53>
- 144:	c7 04 24 00 00 00 00 	movl   $0x0,(%esp)
- 14b:	e8 fc ff ff ff       	call   14c <init+0x5f>
- 150:	c7 04 24 00 00 00 00 	movl   $0x0,(%esp)
- 157:	e8 fc ff ff ff       	call   158 <init+0x6b>
- 15c:	8b 83 00 00 00 00    	mov    0x0(%ebx),%eax
- 162:	8b 00                	mov    (%eax),%eax
- 164:	83 c4 0c             	add    $0xc,%esp
- 167:	89 c2                	mov    %eax,%edx
- 169:	c1 e2 0a             	shl    $0xa,%edx
- 16c:	52                   	push   %edx
- 16d:	50                   	push   %eax
- 16e:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 174:	50                   	push   %eax
- 175:	e8 86 fe ff ff       	call   0 <printf>
- 17a:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 180:	89 04 24             	mov    %eax,(%esp)
- 183:	e8 78 fe ff ff       	call   0 <printf>
- 188:	e8 fc ff ff ff       	call   189 <init+0x9c>
- 18d:	89 44 24 18          	mov    %eax,0x18(%esp)
- 191:	83 c4 10             	add    $0x10,%esp
- 194:	85 c0                	test   %eax,%eax
- 196:	78 36                	js     1ce <init+0xe1>
- 198:	85 c0                	test   %eax,%eax
- 19a:	74 46                	je     1e2 <init+0xf5>
- 19c:	83 ec 0c             	sub    $0xc,%esp
- 19f:	8d 44 24 14          	lea    0x14(%esp),%eax
- 1a3:	50                   	push   %eax
- 1a4:	e8 fc ff ff ff       	call   1a5 <init+0xb8>
- 1a9:	83 c4 0c             	add    $0xc,%esp
- 1ac:	ff 74 24 0c          	pushl  0xc(%esp)
- 1b0:	50                   	push   %eax
- 1b1:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 1b7:	50                   	push   %eax
- 1b8:	e8 43 fe ff ff       	call   0 <printf>
- 1bd:	e8 fc ff ff ff       	call   1be <init+0xd1>
- 1c2:	c7 04 24 00 00 00 00 	movl   $0x0,(%esp)
- 1c9:	e8 fc ff ff ff       	call   1ca <init+0xdd>
- 1ce:	83 ec 0c             	sub    $0xc,%esp
- 1d1:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 1d7:	50                   	push   %eax
- 1d8:	e8 23 fe ff ff       	call   0 <printf>
- 1dd:	83 c4 10             	add    $0x10,%esp
- 1e0:	eb ba                	jmp    19c <init+0xaf>
- 1e2:	83 ec 0c             	sub    $0xc,%esp
- 1e5:	6a 00                	push   $0x0
- 1e7:	e8 fc ff ff ff       	call   1e8 <init+0xfb>
- 1ec:	c7 04 24 01 00 00 00 	movl   $0x1,(%esp)
- 1f3:	e8 fc ff ff ff       	call   1f4 <init+0x107>
- 1f8:	c7 04 24 02 00 00 00 	movl   $0x2,(%esp)
- 1ff:	e8 fc ff ff ff       	call   200 <init+0x113>
- 204:	e8 fc ff ff ff       	call   205 <init+0x118>
- 209:	83 c4 0c             	add    $0xc,%esp
- 20c:	6a 00                	push   $0x0
- 20e:	6a 02                	push   $0x2
- 210:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 216:	50                   	push   %eax
- 217:	e8 fc ff ff ff       	call   218 <init+0x12b>
- 21c:	c7 04 24 00 00 00 00 	movl   $0x0,(%esp)
- 223:	e8 fc ff ff ff       	call   224 <init+0x137>
- 228:	c7 04 24 00 00 00 00 	movl   $0x0,(%esp)
- 22f:	e8 fc ff ff ff       	call   230 <init+0x143>
- 234:	83 c4 0c             	add    $0xc,%esp
- 237:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 23d:	50                   	push   %eax
- 23e:	8d 83 08 00 00 00    	lea    0x8(%ebx),%eax
- 244:	50                   	push   %eax
- 245:	8d 83 00 00 00 00    	lea    0x0(%ebx),%eax
- 24b:	50                   	push   %eax
- 24c:	e8 fc ff ff ff       	call   24d <init+0x160>
- 251:	89 04 24             	mov    %eax,(%esp)
- 254:	e8 fc ff ff ff       	call   255 <init+0x168>
-
-00000259 <main>:
- 259:	8d 4c 24 04          	lea    0x4(%esp),%ecx
- 25d:	83 e4 f0             	and    $0xfffffff0,%esp
- 260:	ff 71 fc             	pushl  -0x4(%ecx)
- 263:	55                   	push   %ebp
- 264:	89 e5                	mov    %esp,%ebp
- 266:	57                   	push   %edi
- 267:	56                   	push   %esi
- 268:	53                   	push   %ebx
- 269:	51                   	push   %ecx
- 26a:	83 ec 48             	sub    $0x48,%esp
- 26d:	e8 fc ff ff ff       	call   26e <main+0x15>
- 272:	81 c3 02 00 00 00    	add    $0x2,%ebx
- 278:	65 a1 14 00 00 00    	mov    %gs:0x14,%eax
- 27e:	89 45 e4             	mov    %eax,-0x1c(%ebp)
- 281:	31 c0                	xor    %eax,%eax
- 283:	b8 80 00 00 00       	mov    $0x80,%eax
- 288:	ba 70 00 00 00       	mov    $0x70,%edx
- 28d:	ee                   	out    %al,(%dx)
- 28e:	eb 00                	jmp    290 <main+0x37>
- 290:	eb 00                	jmp    292 <main+0x39>
- 292:	ba 71 00 00 00       	mov    $0x71,%edx
- 297:	ec                   	in     (%dx),%al
- 298:	eb 00                	jmp    29a <main+0x41>
- 29a:	eb 00                	jmp    29c <main+0x43>
- 29c:	89 c7                	mov    %eax,%edi
- 29e:	0f b6 f0             	movzbl %al,%esi
- 2a1:	b8 82 00 00 00       	mov    $0x82,%eax
- 2a6:	ba 70 00 00 00       	mov    $0x70,%edx
- 2ab:	ee                   	out    %al,(%dx)
- 2ac:	eb 00                	jmp    2ae <main+0x55>
- 2ae:	eb 00                	jmp    2b0 <main+0x57>
- 2b0:	ba 71 00 00 00       	mov    $0x71,%edx
- 2b5:	ec                   	in     (%dx),%al
- 2b6:	eb 00                	jmp    2b8 <main+0x5f>
- 2b8:	eb 00                	jmp    2ba <main+0x61>
- 2ba:	88 c1                	mov    %al,%cl
- 2bc:	b8 84 00 00 00       	mov    $0x84,%eax
- 2c1:	ba 70 00 00 00       	mov    $0x70,%edx
- 2c6:	ee                   	out    %al,(%dx)
- 2c7:	eb 00                	jmp    2c9 <main+0x70>
- 2c9:	eb 00                	jmp    2cb <main+0x72>
- 2cb:	ba 71 00 00 00       	mov    $0x71,%edx
- 2d0:	ec                   	in     (%dx),%al
- 2d1:	eb 00                	jmp    2d3 <main+0x7a>
- 2d3:	eb 00                	jmp    2d5 <main+0x7c>
- 2d5:	88 45 b7             	mov    %al,-0x49(%ebp)
- 2d8:	b8 87 00 00 00       	mov    $0x87,%eax
- 2dd:	ba 70 00 00 00       	mov    $0x70,%edx
- 2e2:	ee                   	out    %al,(%dx)
- 2e3:	eb 00                	jmp    2e5 <main+0x8c>
- 2e5:	eb 00                	jmp    2e7 <main+0x8e>
- 2e7:	ba 71 00 00 00       	mov    $0x71,%edx
- 2ec:	ec                   	in     (%dx),%al
- 2ed:	eb 00                	jmp    2ef <main+0x96>
- 2ef:	eb 00                	jmp    2f1 <main+0x98>
- 2f1:	88 45 b6             	mov    %al,-0x4a(%ebp)
- 2f4:	b8 88 00 00 00       	mov    $0x88,%eax
- 2f9:	ba 70 00 00 00       	mov    $0x70,%edx
- 2fe:	ee                   	out    %al,(%dx)
- 2ff:	eb 00                	jmp    301 <main+0xa8>
- 301:	eb 00                	jmp    303 <main+0xaa>
- 303:	ba 71 00 00 00       	mov    $0x71,%edx
- 308:	ec                   	in     (%dx),%al
- 309:	eb 00                	jmp    30b <main+0xb2>
- 30b:	eb 00                	jmp    30d <main+0xb4>
- 30d:	88 45 b5             	mov    %al,-0x4b(%ebp)
- 310:	b8 89 00 00 00       	mov    $0x89,%eax
- 315:	ba 70 00 00 00       	mov    $0x70,%edx
- 31a:	ee                   	out    %al,(%dx)
- 31b:	eb 00                	jmp    31d <main+0xc4>
- 31d:	eb 00                	jmp    31f <main+0xc6>
- 31f:	ba 71 00 00 00       	mov    $0x71,%edx
- 324:	ec                   	in     (%dx),%al
- 325:	eb 00                	jmp    327 <main+0xce>
- 327:	eb 00                	jmp    329 <main+0xd0>
- 329:	88 45 b4             	mov    %al,-0x4c(%ebp)
- 32c:	b8 80 00 00 00       	mov    $0x80,%eax
- 331:	ba 70 00 00 00       	mov    $0x70,%edx
- 336:	ee                   	out    %al,(%dx)
- 337:	eb 00                	jmp    339 <main+0xe0>
- 339:	eb 00                	jmp    33b <main+0xe2>
- 33b:	ba 71 00 00 00       	mov    $0x71,%edx
- 340:	ec                   	in     (%dx),%al
- 341:	eb 00                	jmp    343 <main+0xea>
- 343:	eb 00                	jmp    345 <main+0xec>
- 345:	0f b6 c0             	movzbl %al,%eax
- 348:	39 c6                	cmp    %eax,%esi
- 34a:	0f 85 33 ff ff ff    	jne    283 <main+0x2a>
- 350:	0f b6 45 b5          	movzbl -0x4b(%ebp),%eax
- 354:	48                   	dec    %eax
- 355:	c1 fe 04             	sar    $0x4,%esi
- 358:	8d 14 b6             	lea    (%esi,%esi,4),%edx
- 35b:	01 d2                	add    %edx,%edx
- 35d:	89 fe                	mov    %edi,%esi
- 35f:	83 e6 0f             	and    $0xf,%esi
- 362:	01 f2                	add    %esi,%edx
- 364:	89 55 c0             	mov    %edx,-0x40(%ebp)
- 367:	0f b6 d1             	movzbl %cl,%edx
- 36a:	c1 fa 04             	sar    $0x4,%edx
- 36d:	8d 14 92             	lea    (%edx,%edx,4),%edx
- 370:	01 d2                	add    %edx,%edx
- 372:	83 e1 0f             	and    $0xf,%ecx
- 375:	01 ca                	add    %ecx,%edx
- 377:	89 55 c4             	mov    %edx,-0x3c(%ebp)
- 37a:	8a 4d b7             	mov    -0x49(%ebp),%cl
- 37d:	0f b6 d1             	movzbl %cl,%edx
- 380:	c1 fa 04             	sar    $0x4,%edx
- 383:	8d 14 92             	lea    (%edx,%edx,4),%edx
- 386:	01 d2                	add    %edx,%edx
- 388:	83 e1 0f             	and    $0xf,%ecx
- 38b:	01 ca                	add    %ecx,%edx
- 38d:	89 55 c8             	mov    %edx,-0x38(%ebp)
- 390:	8a 4d b6             	mov    -0x4a(%ebp),%cl
- 393:	0f b6 d1             	movzbl %cl,%edx
- 396:	c1 fa 04             	sar    $0x4,%edx
- 399:	8d 14 92             	lea    (%edx,%edx,4),%edx
- 39c:	01 d2                	add    %edx,%edx
- 39e:	83 e1 0f             	and    $0xf,%ecx
- 3a1:	01 ca                	add    %ecx,%edx
- 3a3:	89 55 cc             	mov    %edx,-0x34(%ebp)
- 3a6:	89 c2                	mov    %eax,%edx
- 3a8:	c1 fa 04             	sar    $0x4,%edx
- 3ab:	8d 14 92             	lea    (%edx,%edx,4),%edx
- 3ae:	01 d2                	add    %edx,%edx
- 3b0:	83 e0 0f             	and    $0xf,%eax
- 3b3:	01 d0                	add    %edx,%eax
- 3b5:	89 45 d0             	mov    %eax,-0x30(%ebp)
- 3b8:	8a 4d b4             	mov    -0x4c(%ebp),%cl
- 3bb:	0f b6 c1             	movzbl %cl,%eax
- 3be:	c1 f8 04             	sar    $0x4,%eax
- 3c1:	8d 04 80             	lea    (%eax,%eax,4),%eax
- 3c4:	01 c0                	add    %eax,%eax
- 3c6:	89 ca                	mov    %ecx,%edx
- 3c8:	83 e2 0f             	and    $0xf,%edx
- 3cb:	01 d0                	add    %edx,%eax
- 3cd:	89 45 d4             	mov    %eax,-0x2c(%ebp)
- 3d0:	83 ec 0c             	sub    $0xc,%esp
- 3d3:	8d 45 c0             	lea    -0x40(%ebp),%eax
- 3d6:	50                   	push   %eax
- 3d7:	e8 fc ff ff ff       	call   3d8 <main+0x17f>
- 3dc:	8b 93 00 00 00 00    	mov    0x0(%ebx),%edx
- 3e2:	89 02                	mov    %eax,(%edx)
- 3e4:	e8 fc ff ff ff       	call   3e5 <main+0x18c>
- 3e9:	e8 fc ff ff ff       	call   3ea <main+0x191>
- 3ee:	e8 fc ff ff ff       	call   3ef <main+0x196>
- 3f3:	e8 fc ff ff ff       	call   3f4 <main+0x19b>
- 3f8:	e8 fc ff ff ff       	call   3f9 <main+0x1a0>
- 3fd:	fb                   	sti    
- 3fe:	89 e0                	mov    %esp,%eax
- 400:	6a 17                	push   $0x17
- 402:	50                   	push   %eax
- 403:	9c                   	pushf  
- 404:	6a 0f                	push   $0xf
- 406:	68 0c 04 00 00       	push   $0x40c
- 40b:	cf                   	iret   
- 40c:	b8 17 00 00 00       	mov    $0x17,%eax
- 411:	8e d8                	mov    %eax,%ds
- 413:	8e c0                	mov    %eax,%es
- 415:	8e e0                	mov    %eax,%fs
- 417:	8e e8                	mov    %eax,%gs
- 419:	e8 fc ff ff ff       	call   41a <main+0x1c1>
- 41e:	83 c4 10             	add    $0x10,%esp
- 421:	85 c0                	test   %eax,%eax
- 423:	75 05                	jne    42a <main+0x1d1>
- 425:	e8 fc ff ff ff       	call   426 <main+0x1cd>
- 42a:	e8 fc ff ff ff       	call   42b <main+0x1d2>
- 42f:	eb f9                	jmp    42a <main+0x1d1>
-
-Disassembly of section .bss:
-
-00000000 <printbuf>:
-	...
-
-Disassembly of section .rodata.str1.1:
-
-00000000 <.LC0>:
-   0:	2f                   	das    
-   1:	62 69 6e             	bound  %ebp,0x6e(%ecx)
-   4:	2f                   	das    
-   5:	75 70                	jne    77 <pause+0xe>
-   7:	64 61                	fs popa 
-   9:	74 65                	je     70 <pause+0x7>
-	...
-
-0000000c <.LC1>:
-   c:	2f                   	das    
-   d:	64 65 76 2f          	fs gs jbe 40 <.LC6+0x5>
-  11:	74 74                	je     87 <pause+0x1e>
-  13:	79 30                	jns    45 <.LC6+0xa>
-	...
-
-00000016 <.LC3>:
-  16:	20 4f 6b             	and    %cl,0x6b(%edi)
-  19:	2e 0a 0d 00    	or     %cs:0x726f4600,%cl
-
-0000001d <.LC4>:
-  1d:	46                   	inc    %esi
-  1e:	6f                   	outsl  %ds:(%esi),(%dx)
-  1f:	72 6b                	jb     8c <pause+0x23>
-  21:	20 66 61             	and    %ah,0x61(%esi)
-  24:	69 6c 65 64 20 69 6e 	imul   $0x206e6920,0x64(%ebp,%eiz,2),%ebp
-  2b:	20 
-  2c:	69 6e 69 74 0d 0a 00 	imul   $0xa0d74,0x69(%esi),%ebp
-
-00000033 <.LC5>:
-  33:	2f                   	das    
-  34:	62 69 6e             	bound  %ebp,0x6e(%ecx)
-  37:	2f                   	das    
-  38:	73 68                	jae    a2 <setup+0xd>
-	...
-
-0000003b <.LC6>:
-  3b:	63 68 69             	arpl   %bp,0x69(%eax)
-  3e:	6c                   	insb   (%dx),%es:(%edi)
-  3f:	64 20 25 64 20 64 69 	and    %ah,%fs:0x69642064
-  46:	65 64 20 77 69       	gs and %dh,%fs:0x69(%edi)
-  4b:	74 68                	je     b5 <setup+0x20>
-  4d:	20 63 6f             	and    %ah,0x6f(%ebx)
-  50:	64 65 20 25 30 34 78 	fs and %ah,%gs:0xa783430
-  57:	0a 
-  58:	00 48 4f             	add    %cl,0x4f(%eax)
-  5b:	4d                   	dec    %ebp
-  5c:	45                   	inc    %ebp
-  5d:	3d 2f 75 73 72       	cmp    $0x7273752f,%eax
-  62:	2f                   	das    
-  63:	72 6f                	jb     d4 <sync+0x13>
-  65:	6f                   	outsl  %ds:(%esi),(%dx)
-  66:	74 00                	je     68 <.LC6+0x2d>
-  68:	2d                   	.byte 0x2d
-	...
-
-Disassembly of section .rodata.str1.4:
-
-00000000 <.LC2>:
-   0:	25 64 20 62 75       	and    $0x75622064,%eax
-   5:	66 66 65 72 73       	data16 data16 gs jb 7d <pause+0x14>
-   a:	20 3d 20 25 64 20    	and    %bh,0x20642520
-  10:	62 79 74             	bound  %edi,0x74(%ecx)
-  13:	65 73 20             	gs jae 36 <.LC5+0x3>
-  16:	62 75 66             	bound  %esi,0x66(%ebp)
-  19:	66 65 72 20          	data16 gs jb 3d <fork>
-  1d:	73 70                	jae    8f <pause+0x26>
-  1f:	61                   	popa   
-  20:	63 65 0a             	arpl   %sp,0xa(%ebp)
-  23:	0d                   	.byte 0xd
-	...
-
-Disassembly of section .data.rel.local:
-
-00000000 <envp>:
-   0:	59                   	pop    %ecx
-   1:	00 00                	add    %al,(%eax)
-   3:	00 00                	add    %al,(%eax)
-   5:	00 00                	add    %al,(%eax)
-	...
-
-00000008 <argv>:
-   8:	68 00 00 00 00       	push   $0x0
-   d:	00 00                	add    %al,(%eax)
-	...
-
-Disassembly of section .text.__x86.get_pc_thunk.cx:
-
-00000000 <__x86.get_pc_thunk.cx>:
-   0:	8b 0c 24             	mov    (%esp),%ecx
-   3:	c3                   	ret    
-
-Disassembly of section .text.__x86.get_pc_thunk.bx:
-
-00000000 <__x86.get_pc_thunk.bx>:
-   0:	8b 1c 24             	mov    (%esp),%ebx
-   3:	c3                   	ret    
-
-Disassembly of section .comment:
-
-00000000 <.comment>:
-   0:	00 47 43             	add    %al,0x43(%edi)
-   3:	43                   	inc    %ebx
-   4:	3a 20                	cmp    (%eax),%ah
-   6:	28 55 62             	sub    %dl,0x62(%ebp)
-   9:	75 6e                	jne    79 <pause+0x10>
-   b:	74 75                	je     82 <pause+0x19>
-   d:	20 37                	and    %dh,(%edi)
-   f:	2e 34 2e             	cs xor $0x2e,%al
-  12:	30 2d 31 75 62 75    	xor    %ch,0x75627531
-  18:	6e                   	outsb  %ds:(%esi),(%dx)
-  19:	74 75                	je     90 <pause+0x27>
-  1b:	31 7e 31             	xor    %edi,0x31(%esi)
-  1e:	38 2e                	cmp    %ch,(%esi)
-  20:	30 34 2e             	xor    %dh,(%esi,%ebp,1)
-  23:	31 29                	xor    %ebp,(%ecx)
-  25:	20 37                	and    %dh,(%edi)
-  27:	2e 34 2e             	cs xor $0x2e,%al
-  2a:	30 00                	xor    %al,(%eax)
-
-Disassembly of section .eh_frame:
-
-00000000 <.eh_frame>:
-   0:	14 00                	adc    $0x0,%al
-   2:	00 00                	add    %al,(%eax)
-   4:	00 00                	add    %al,(%eax)
-   6:	00 00                	add    %al,(%eax)
-   8:	01 7a 52             	add    %edi,0x52(%edx)
-   b:	00 01                	add    %al,(%ecx)
-   d:	7c 08                	jl     17 <.eh_frame+0x17>
-   f:	01 1b                	add    %ebx,(%ebx)
-  11:	0c 04                	or     $0x4,%al
-  13:	04 88                	add    $0x88,%al
-  15:	01 00                	add    %eax,(%eax)
-  17:	00 44 00 00          	add    %al,0x0(%eax,%eax,1)
-  1b:	00 1c 00             	add    %bl,(%eax,%eax,1)
-  1e:	00 00                	add    %al,(%eax)
-  20:	00 00                	add    %al,(%eax)
-  22:	00 00                	add    %al,(%eax)
-  24:	3d 00 00 00 00       	cmp    $0x0,%eax
-  29:	41                   	inc    %ecx
-  2a:	0e                   	push   %cs
-  2b:	08 87 02 41 0e 0c    	or     %al,0xc0e4102(%edi)
-  31:	86 03                	xchg   %al,(%ebx)
-  33:	41                   	inc    %ecx
-  34:	0e                   	push   %cs
-  35:	10 83 04 4e 0e 14    	adc    %al,0x140e4e04(%ebx)
-  3b:	45                   	inc    %ebp
-  3c:	0e                   	push   %cs
-  3d:	18 44 0e 1c          	sbb    %al,0x1c(%esi,%ecx,1)
-  41:	47                   	inc    %edi
-  42:	0e                   	push   %cs
-  43:	20 4a 0e             	and    %cl,0xe(%edx)
-  46:	14 41                	adc    $0x41,%al
-  48:	0e                   	push   %cs
-  49:	18 41 0e             	sbb    %al,0xe(%ecx)
-  4c:	1c 42                	sbb    $0x42,%al
-  4e:	0e                   	push   %cs
-  4f:	20 48 0e             	and    %cl,0xe(%eax)
-  52:	10 43 c3             	adc    %al,-0x3d(%ebx)
-  55:	0e                   	push   %cs
-  56:	0c 41                	or     $0x41,%al
-  58:	c6                   	(bad)  
-  59:	0e                   	push   %cs
-  5a:	08 41 c7             	or     %al,-0x39(%ecx)
-  5d:	0e                   	push   %cs
-  5e:	04 00                	add    $0x0,%al
-  60:	10 00                	adc    %al,(%eax)
-  62:	00 00                	add    %al,(%eax)
-  64:	64 00 00             	add    %al,%fs:(%eax)
-  67:	00 3d 00 00 00 2c    	add    %bh,0x2c000000
-  6d:	00 00                	add    %al,(%eax)
-  6f:	00 00                	add    %al,(%eax)
-  71:	00 00                	add    %al,(%eax)
-  73:	00 10                	add    %dl,(%eax)
-  75:	00 00                	add    %al,(%eax)
-  77:	00 78 00             	add    %bh,0x0(%eax)
-  7a:	00 00                	add    %al,(%eax)
-  7c:	69 00 00 00 2c 00    	imul   $0x2c0000,(%eax),%eax
-  82:	00 00                	add    %al,(%eax)
-  84:	00 00                	add    %al,(%eax)
-  86:	00 00                	add    %al,(%eax)
-  88:	10 00                	adc    %al,(%eax)
-  8a:	00 00                	add    %al,(%eax)
-  8c:	8c 00                	mov    %es,(%eax)
-  8e:	00 00                	add    %al,(%eax)
-  90:	95                   	xchg   %eax,%ebp
-  91:	00 00                	add    %al,(%eax)
-  93:	00 2c 00             	add    %ch,(%eax,%eax,1)
-  96:	00 00                	add    %al,(%eax)
-  98:	00 00                	add    %al,(%eax)
-  9a:	00 00                	add    %al,(%eax)
-  9c:	10 00                	adc    %al,(%eax)
-  9e:	00 00                	add    %al,(%eax)
-  a0:	a0 00 00 00 c1       	mov    0xc1000000,%al
-  a5:	00 00                	add    %al,(%eax)
-  a7:	00 2c 00             	add    %ch,(%eax,%eax,1)
-  aa:	00 00                	add    %al,(%eax)
-  ac:	00 00                	add    %al,(%eax)
-  ae:	00 00                	add    %al,(%eax)
-  b0:	7c 00                	jl     b2 <.eh_frame+0xb2>
-  b2:	00 00                	add    %al,(%eax)
-  b4:	b4 00                	mov    $0x0,%ah
-  b6:	00 00                	add    %al,(%eax)
-  b8:	ed                   	in     (%dx),%eax
-  b9:	00 00                	add    %al,(%eax)
-  bb:	00 6c 01 00          	add    %ch,0x0(%ecx,%eax,1)
-  bf:	00 00                	add    %al,(%eax)
-  c1:	41                   	inc    %ecx
-  c2:	0e                   	push   %cs
-  c3:	08 83 02 43 0e 20    	or     %al,0x200e4302(%ebx)
-  c9:	68 0a 0e 24 42       	push   $0x42240e0a
-  ce:	0e                   	push   %cs
-  cf:	28 42 0e             	sub    %al,0xe(%edx)
-  d2:	2c 47                	sub    $0x47,%al
-  d4:	0e                   	push   %cs
-  d5:	30 4d 0b             	xor    %cl,0xb(%ebp)
-  d8:	43                   	inc    %ebx
-  d9:	0e                   	push   %cs
-  da:	24 42                	and    $0x42,%al
-  dc:	0e                   	push   %cs
-  dd:	28 42 0e             	sub    %al,0xe(%edx)
-  e0:	2c 47                	sub    $0x47,%al
-  e2:	0e                   	push   %cs
-  e3:	30 68 0e             	xor    %ch,0xe(%eax)
-  e6:	24 46                	and    $0x46,%al
-  e8:	0e                   	push   %cs
-  e9:	28 41 0e             	sub    %al,0xe(%ecx)
-  ec:	2c 47                	sub    $0x47,%al
-  ee:	0e                   	push   %cs
-  ef:	30 5f 0e             	xor    %bl,0xe(%edi)
-  f2:	20 4b 0a             	and    %cl,0xa(%ebx)
-  f5:	0e                   	push   %cs
-  f6:	2c 45                	sub    $0x45,%al
-  f8:	0e                   	push   %cs
-  f9:	30 48 0e             	xor    %cl,0xe(%eax)
-  fc:	24 44                	and    $0x44,%al
-  fe:	0e                   	push   %cs
-  ff:	28 41 0e             	sub    %al,0xe(%ecx)
- 102:	2c 47                	sub    $0x47,%al
- 104:	0e                   	push   %cs
- 105:	30 56 0b             	xor    %dl,0xb(%esi)
- 108:	43                   	inc    %ebx
- 109:	0e                   	push   %cs
- 10a:	2c 47                	sub    $0x47,%al
- 10c:	0e                   	push   %cs
- 10d:	30 48 0e             	xor    %cl,0xe(%eax)
- 110:	20 45 0e             	and    %al,0xe(%ebp)
- 113:	2c 42                	sub    $0x42,%al
- 115:	0e                   	push   %cs
- 116:	30 65 0e             	xor    %ah,0xe(%ebp)
- 119:	24 42                	and    $0x42,%al
- 11b:	0e                   	push   %cs
- 11c:	28 42 0e             	sub    %al,0xe(%edx)
- 11f:	2c 47                	sub    $0x47,%al
- 121:	0e                   	push   %cs
- 122:	30 60 0e             	xor    %ah,0xe(%eax)
- 125:	24 47                	and    $0x47,%al
- 127:	0e                   	push   %cs
- 128:	28 47 0e             	sub    %al,0xe(%edi)
- 12b:	2c 47                	sub    $0x47,%al
- 12d:	0e                   	push   %cs
- 12e:	30 00                	xor    %al,(%eax)
- 130:	2c 00                	sub    $0x0,%al
- 132:	00 00                	add    %al,(%eax)
- 134:	34 01                	xor    $0x1,%al
- 136:	00 00                	add    %al,(%eax)
- 138:	59                   	pop    %ecx
- 139:	02 00                	add    (%eax),%al
- 13b:	00 d8                	add    %bl,%al
- 13d:	01 00                	add    %eax,(%eax)
- 13f:	00 00                	add    %al,(%eax)
- 141:	44                   	inc    %esp
- 142:	0c 01                	or     $0x1,%al
- 144:	00 47 10             	add    %al,0x10(%edi)
- 147:	05 02 75 00 46       	add    $0x46007502,%eax
- 14c:	0f 03 75 70          	lsl    0x70(%ebp),%esi
- 150:	06                   	push   %es
- 151:	10 07                	adc    %al,(%edi)
- 153:	02 75 7c             	add    0x7c(%ebp),%dh
- 156:	10 06                	adc    %al,(%esi)
- 158:	02 75 78             	add    0x78(%ebp),%dh
- 15b:	10 03                	adc    %al,(%ebx)
- 15d:	02 75 74             	add    0x74(%ebp),%dh
- 160:	10 00                	adc    %al,(%eax)
- 162:	00 00                	add    %al,(%eax)
- 164:	64 01 00             	add    %eax,%fs:(%eax)
- 167:	00 00                	add    %al,(%eax)
- 169:	00 00                	add    %al,(%eax)
- 16b:	00 04 00             	add    %al,(%eax,%eax,1)
- 16e:	00 00                	add    %al,(%eax)
- 170:	00 00                	add    %al,(%eax)
- 172:	00 00                	add    %al,(%eax)
- 174:	10 00                	adc    %al,(%eax)
- 176:	00 00                	add    %al,(%eax)
- 178:	78 01                	js     17b <.eh_frame+0x17b>
- 17a:	00 00                	add    %al,(%eax)
- 17c:	00 00                	add    %al,(%eax)
- 17e:	00 00                	add    %al,(%eax)
- 180:	04 00                	add    $0x0,%al
- 182:	00 00                	add    %al,(%eax)
- 184:	00 00                	add    %al,(%eax)
-	...
diff --git a/kernel/Makefile b/kernel/Makefile
index 4fa94d9..5ebc973 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -12,7 +12,7 @@ LD	=ld
 LDFLAGS	=-m elf_i386 -r 
 CC	=gcc
 CFLAGS	=-Wall -O -m32 -march=i386 -fomit-frame-pointer \
-	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic
+	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic -g
 AFLAGS  =--32 -march=i386
 CPP	=gcc -E -nostdinc -I../include
 
diff --git a/kernel/serial.c b/kernel/serial.c
index f542513..39fdeff 100644
--- a/kernel/serial.c
+++ b/kernel/serial.c
@@ -20,9 +20,10 @@ extern void rs2_interrupt(void);
 static void init(int port)
 {
 	outb_p(0x80,port+3);	/* set DLAB of line control reg */
-	outb_p(0x30,port);	/* LS of divisor (48 -> 2400 bps */
+	outb_p(0x03,port);	/* LS of divisor (48 -> 38400 bps */
 	outb_p(0x00,port+1);	/* MS of divisor */
 	outb_p(0x03,port+3);	/* reset DLAB */
+	outb_p(0xc7,port+2);	// Enable FIFO,clear them, with 14-byte threshold
 	outb_p(0x0b,port+4);	/* set DTR,RTS, OUT_2 */
 	outb_p(0x0d,port+1);	/* enable all intrs but writes */
 	(void)inb(port);	/* read data port to reset things (?) */
@@ -46,8 +47,12 @@ void rs_init(void)
  */
 void rs_write(struct tty_struct * tty)
 {
+	char temp;
 	cli();
-	if (!EMPTY(tty->write_q))
-		outb(inb_p(tty->write_q.data+1)|0x02,tty->write_q.data+1);
+	outb(inb_p(tty->write_q.data+1)|0x02,tty->write_q.data+1);
+	while (!EMPTY(tty->write_q)){
+		GETCH(tty->write_q,temp);
+		outb(temp,tty->write_q.data);
+	}
 	sti();
 }
diff --git a/kernel/tty_io.c b/kernel/tty_io.c
index 9faf003..60dba7d 100644
--- a/kernel/tty_io.c
+++ b/kernel/tty_io.c
@@ -48,13 +48,13 @@ struct tty_struct tty_table[] = {
 		0,			/* initial pgrp */
 		0,			/* initial stopped */
 		con_write,
-		{0,0,0,0,""},		/* console read-queue */
-		{0,0,0,0,""},		/* console write-queue */
-		{0,0,0,0,""}		/* console secondary queue */
+		{0x0,0,0,0,""},		/* console read-queue */
+		{0x0,0,0,0,""},		/* console write-queue */
+		{0x0,0,0,0,""}		/* console secondary queue */
 	},{
 		{0, /*IGNCR*/
 		OPOST | ONLRET,		/* change outgoing NL to CR */
-		B2400 | CS8,
+		B38400 | CS8,
 		0,
 		0,
 		INIT_C_CC},
@@ -67,7 +67,7 @@ struct tty_struct tty_table[] = {
 	},{
 		{0, /*IGNCR*/
 		OPOST | ONLRET,		/* change outgoing NL to CR */
-		B2400 | CS8,
+		B38400 | CS8,
 		0,
 		0,
 		INIT_C_CC},
diff --git a/lab/Image b/lab/Image
deleted file mode 100644
index db5786274e8b81c64c10b6bb135e7cd24e313b84..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 100969
zcmeFa33OCN_CNkQc}Y5<;WZE;4pCZdG)T~(8Kos^2uX+t+7Jk!s5le*n_<*(=_a@k
zx_Jqt@_ZN-*Kr&imqBq9HwXbGoj@9KA)q4e0TEvFSRx<^i|PO8R&|G<<1D}bIlps$
z=bPkozj{@-Zryw9)~#D>*EJ+9+EypkE^1gMS%w}N8aedBo-|3SePF|)ZHpQfwXBik
zx8k!RAKF)?Nvo5jceYyUEd4*U*Gcw84IX2qBuO4)oJEoZ5F5~GIaVi0Cl)m%NcPL6
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diff --git a/lab/gdb.sh b/lab/gdb.sh
index 14dfde7..79aed59 100755
--- a/lab/gdb.sh
+++ b/lab/gdb.sh
@@ -1 +1 @@
-gdb -ex 'display/10i $pc' -ex 'target remote:1234' -ex 'break *0x00' -ex 'continue'
+gdb -ex 'display/10i $pc' -ex 'target remote:1234' -ex 'break *0x00' -ex 'continue' -ex 'symbol-file ../tools/system.elf'
diff --git a/lab/log b/lab/log
new file mode 100644
index 0000000000000000000000000000000000000000..7016e6ef3939d082d2299d2701fb0338bede311f
GIT binary patch
literal 12
UcmezWoALi|=KsGL{{LkF05^{Z?*IS*

literal 0
HcmV?d00001

diff --git a/lab/qemu.sh b/lab/qemu.sh
index 77187ef..6f44bb6 100755
--- a/lab/qemu.sh
+++ b/lab/qemu.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 HOST=DEWH
-../mk
+
 #cp ../fdisk.img /mnt/c/Users/$HOST/Desktop/fdisk.img
-qemu-system-i386 -nographic -fda ../fdisk.img -S -s
+#sudo /mnt/c/'Program Files'/qemu/qemu-system-i386.exe -fda /mnt/c/Users/$HOST/Desktop/fdisk.img
+qemu-system-i386 -nographic -fda ../fdisk.img #-S -s  
diff --git a/lib/Makefile b/lib/Makefile
index ef5a508..fc4319c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -12,7 +12,7 @@ LD	=ld
 LDFLAGS	=-m elf_i386 
 CC	=gcc
 CFLAGS	=-Wall -O -m32 -march=i386 -fomit-frame-pointer \
-	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic 
+	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic -g
 AFLAGS  =--32 -march=i386
 CPP	=gcc -E -nostdinc -I../include
 
diff --git a/mk b/mk
index 2a52f2801556da922237cd599c54164631a6e64d..7ca570e1f28feefa7df535af80e7f3445acaf621 100755
GIT binary patch
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z-v307pw1F{lK+j(3P+zYP=YF5%z8Kwv;`E4df&U7pf9LOFQEr^3Hasj&B$0HgExX(
z=wM6eh-L7~9F5`!RGu4G96Ses=b#Tub9p494D%U*5!fGzLnh*d{zw9P5lfMTEUJA7
ziV;67u6s}xUsES^)TNXHFX$PBfx5V?@v70Fh&EzV1fGGW`nXfn?R6P;)<3R@aut|@
zf%>?7?~*Onr{oO3dNUA<rl2>PfbOUl#_;KnCggk9bTOKm`FOLQ%3<LJtQlB4O|g_b
R60B%Fus@cfTcI!Z&_6`)yc_@k

diff --git a/mk.c b/mk.c
index 8d07d46..8d1e198 100644
--- a/mk.c
+++ b/mk.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 int main(){
 	FILE* img= fopen("Image","rb");
-	FILE* floppy_img = fopen("fdisk.img","wb");
+	FILE* floppy_img = fopen("fdisk.img","wb+");
 	unsigned long img_len, remain_len;
 	char *buffer;
 	char *buffer2;
@@ -16,5 +16,6 @@ int main(){
 	fread(buffer, img_len, 1, img);
 	fwrite(buffer, img_len, 1, floppy_img);
 	fwrite(buffer2, remain_len, 1, floppy_img);
-
+	fclose(img);
+	fclose(floppy_img);
 }
diff --git a/mm/Makefile b/mm/Makefile
index 8ae896b..aaed1e6 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -1,6 +1,6 @@
 CC	=gcc
 CFLAGS	=-O -Wall -m32 -march=i386 -fomit-frame-pointer\
-	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic
+	-finline-functions -nostdinc -I../include -fstack-protector-explicit -fno-pic -g
 AS	=as
 AR	=ar
 LD	=ld
diff --git a/tools/system.dis b/tools/system.dis
deleted file mode 100644
index e172650..0000000
--- a/tools/system.dis
+++ /dev/null
@@ -1,12755 +0,0 @@
-
-system.elf:     file format elf64-x86-64
-
-
-Disassembly of section .text:
-
-0000000000000000 <pg_dir>:
-       0:	b8 10 00 00 00       	mov    $0x10,%eax
-       5:	8e d8                	mov    %eax,%ds
-       7:	8e c0                	mov    %eax,%es
-       9:	8e e0                	mov    %eax,%fs
-       b:	8e e8                	mov    %eax,%gs
-       d:	0f b2 25 e0 2b 01 00 	lss    0x12be0(%rip),%esp        # 12bf4 <stack_start+0x14>
-      14:	e8 43 00 00 00       	callq  5c <pg_dir+0x5c>
-      19:	e8 6e 00 00 00       	callq  8c <pg_dir+0x8c>
-      1e:	b8 10 00 00 00       	mov    $0x10,%eax
-      23:	8e d8                	mov    %eax,%ds
-      25:	8e c0                	mov    %eax,%es
-      27:	8e e0                	mov    %eax,%fs
-      29:	8e e8                	mov    %eax,%gs
-      2b:	0f b2 25 e0 2b 01 00 	lss    0x12be0(%rip),%esp        # 12c12 <task+0x12>
-      32:	31 c0                	xor    %eax,%eax
-      34:	40 a3 00 00 00 00 39 	rex movabs %eax,0x53900000000
-      3b:	05 00 00 
-      3e:	10 00                	adc    %al,(%rax)
-      40:	74 f2                	je     34 <pg_dir+0x34>
-      42:	0f 20 c0             	mov    %cr0,%rax
-      45:	25 11 00 00 80       	and    $0x80000011,%eax
-      4a:	a9 10 00 00 00       	test   $0x10,%eax
-      4f:	75 03                	jne    54 <pg_dir+0x54>
-      51:	83 c8 04             	or     $0x4,%eax
-      54:	0f 22 c0             	mov    %rax,%cr0
-      57:	e9 a4 3f 00 00       	jmpq   4000 <pg_dir+0x4000>
-      5c:	8d 15 14 40 00 00    	lea    0x4014(%rip),%edx        # 4076 <pg_dir+0x4076>
-      62:	b8 00 00 08 00       	mov    $0x80000,%eax
-      67:	66 89 d0             	mov    %dx,%ax
-      6a:	66 ba 00 8e          	mov    $0x8e00,%dx
-      6e:	8d 3d 78 40 00 00    	lea    0x4078(%rip),%edi        # 40ec <idt+0x74>
-      74:	b9 00 01 00 00       	mov    $0x100,%ecx
-      79:	89 07                	mov    %eax,(%rdi)
-      7b:	89 57 04             	mov    %edx,0x4(%rdi)
-      7e:	83 c7 08             	add    $0x8,%edi
-      81:	49 75 f5             	rex.WB jne 79 <pg_dir+0x79>
-      84:	0f 01 1d 6a 40 00 00 	lidt   0x406a(%rip)        # 40f5 <idt+0x7d>
-      8b:	c3                   	retq   
-      8c:	0f 01 15 72 40 00 00 	lgdt   0x4072(%rip)        # 4105 <idt+0x8d>
-      93:	c3                   	retq   
-	...
-    4000:	6a 00                	pushq  $0x0
-    4002:	6a 00                	pushq  $0x0
-    4004:	6a 00                	pushq  $0x0
-    4006:	68 12 40 00 00       	pushq  $0x4012
-    400b:	68 6d 52 00 00       	pushq  $0x526d
-    4010:	eb 10                	jmp    4022 <pg_dir+0x4022>
-    4012:	eb fe                	jmp    4012 <pg_dir+0x4012>
-    4014:	fe 05 a0 80 0b 00    	incb   0xb80a0(%rip)        # bc0ba <end+0xa1eb2>
-    401a:	c6 05 a1 80 0b 00 02 	movb   $0x2,0xb80a1(%rip)        # bc0c2 <end+0xa1eba>
-    4021:	cf                   	iret   
-    4022:	b9 00 0c 00 00       	mov    $0xc00,%ecx
-    4027:	31 c0                	xor    %eax,%eax
-    4029:	31 ff                	xor    %edi,%edi
-    402b:	fc                   	cld    
-    402c:	f3 ab                	rep stos %eax,%es:(%rdi)
-    402e:	c7 05 00 00 00 00 07 	movl   $0x1007,0x0(%rip)        # 4038 <pg_dir+0x4038>
-    4035:	10 00 00 
-    4038:	c7 05 04 00 00 00 07 	movl   $0x2007,0x4(%rip)        # 4046 <pg_dir+0x4046>
-    403f:	20 00 00 
-    4042:	bf fc 2f 00 00       	mov    $0x2ffc,%edi
-    4047:	b8 07 f0 7f 00       	mov    $0x7ff007,%eax
-    404c:	fd                   	std    
-    404d:	ab                   	stos   %eax,%es:(%rdi)
-    404e:	2d 00 10 00 00       	sub    $0x1000,%eax
-    4053:	7d f8                	jge    404d <pg_dir+0x404d>
-    4055:	31 c0                	xor    %eax,%eax
-    4057:	0f 22 d8             	mov    %rax,%cr3
-    405a:	0f 20 c0             	mov    %cr0,%rax
-    405d:	0d 00 00 00 80       	or     $0x80000000,%eax
-    4062:	0f 22 c0             	mov    %rax,%cr0
-    4065:	c3                   	retq   
-    4066:	66 90                	xchg   %ax,%ax
-    4068:	00 00                	add    %al,(%rax)
-    406a:	ff 07                	incl   (%rdi)
-    406c:	78 40                	js     40ae <idt+0x36>
-    406e:	00 00                	add    %al,(%rax)
-    4070:	00 00                	add    %al,(%rax)
-    4072:	ff 07                	incl   (%rdi)
-    4074:	78 48                	js     40be <idt+0x46>
-	...
-
-0000000000004078 <idt>:
-	...
-
-0000000000004878 <gdt>:
-	...
-    4880:	ff 07                	incl   (%rdi)
-    4882:	00 00                	add    %al,(%rax)
-    4884:	00 9a c0 00 ff 07    	add    %bl,0x7ff00c0(%rdx)
-    488a:	00 00                	add    %al,(%rax)
-    488c:	00 92 c0 00 00 00    	add    %dl,0xc0(%rdx)
-	...
-    5076:	00 00                	add    %al,(%rax)
-    5078:	53                   	push   %rbx
-    5079:	83 ec 0c             	sub    $0xc,%esp
-    507c:	8d 44 24 18          	lea    0x18(%rsp),%eax
-    5080:	50                   	push   %rax
-    5081:	ff 74 24 18          	pushq  0x18(%rsp)
-    5085:	68 00 65 01 00       	pushq  $0x16500
-    508a:	e8 64 16 00 00       	callq  66f3 <vsprintf>
-    508f:	89 c3                	mov    %eax,%ebx
-    5091:	83 c4 0c             	add    $0xc,%esp
-    5094:	50                   	push   %rax
-    5095:	68 00 65 01 00       	pushq  $0x16500
-    509a:	6a 01                	pushq  $0x1
-    509c:	e8 42 9b 00 00       	callq  ebe3 <write>
-    50a1:	89 d8                	mov    %ebx,%eax
-    50a3:	83 c4 18             	add    $0x18,%esp
-    50a6:	5b                   	pop    %rbx
-    50a7:	c3                   	retq   
-
-00000000000050a8 <fork>:
-    50a8:	ba 02 00 00 00       	mov    $0x2,%edx
-    50ad:	89 d0                	mov    %edx,%eax
-    50af:	cd 80                	int    $0x80
-    50b1:	89 c2                	mov    %eax,%edx
-    50b3:	85 c0                	test   %eax,%eax
-    50b5:	78 01                	js     50b8 <fork+0x10>
-    50b7:	c3                   	retq   
-    50b8:	f7 da                	neg    %edx
-    50ba:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 1f2c4 <end+0x50bc>
-    50c0:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    50c5:	eb f0                	jmp    50b7 <fork+0xf>
-
-00000000000050c7 <pause>:
-    50c7:	ba 1d 00 00 00       	mov    $0x1d,%edx
-    50cc:	89 d0                	mov    %edx,%eax
-    50ce:	cd 80                	int    $0x80
-    50d0:	89 c2                	mov    %eax,%edx
-    50d2:	85 c0                	test   %eax,%eax
-    50d4:	78 01                	js     50d7 <pause+0x10>
-    50d6:	c3                   	retq   
-    50d7:	f7 da                	neg    %edx
-    50d9:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 1f2e3 <end+0x50db>
-    50df:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    50e4:	eb f0                	jmp    50d6 <pause+0xf>
-
-00000000000050e6 <setup>:
-    50e6:	ba 00 00 00 00       	mov    $0x0,%edx
-    50eb:	89 d0                	mov    %edx,%eax
-    50ed:	cd 80                	int    $0x80
-    50ef:	89 c2                	mov    %eax,%edx
-    50f1:	85 c0                	test   %eax,%eax
-    50f3:	78 01                	js     50f6 <setup+0x10>
-    50f5:	c3                   	retq   
-    50f6:	f7 da                	neg    %edx
-    50f8:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 1f302 <end+0x50fa>
-    50fe:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    5103:	eb f0                	jmp    50f5 <setup+0xf>
-
-0000000000005105 <sync>:
-    5105:	ba 24 00 00 00       	mov    $0x24,%edx
-    510a:	89 d0                	mov    %edx,%eax
-    510c:	cd 80                	int    $0x80
-    510e:	89 c2                	mov    %eax,%edx
-    5110:	85 c0                	test   %eax,%eax
-    5112:	78 01                	js     5115 <sync+0x10>
-    5114:	c3                   	retq   
-    5115:	f7 da                	neg    %edx
-    5117:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 1f321 <end+0x5119>
-    511d:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    5122:	eb f0                	jmp    5114 <sync+0xf>
-
-0000000000005124 <init>:
-    5124:	83 ec 1c             	sub    $0x1c,%esp
-    5127:	65 a1 14 00 00 00 89 	movabs %gs:0xc24448900000014,%eax
-    512e:	44 24 0c 
-    5131:	31 c0                	xor    %eax,%eax
-    5133:	e8 ae ff ff ff       	callq  50e6 <setup>
-    5138:	e8 6b ff ff ff       	callq  50a8 <fork>
-    513d:	85 c0                	test   %eax,%eax
-    513f:	75 19                	jne    515a <init+0x36>
-    5141:	83 ec 04             	sub    $0x4,%esp
-    5144:	6a 00                	pushq  $0x0
-    5146:	6a 00                	pushq  $0x0
-    5148:	68 c4 f0 00 00       	pushq  $0xf0c4
-    514d:	e8 04 9b 00 00       	callq  ec56 <execve>
-    5152:	89 04 24             	mov    %eax,(%rsp)
-    5155:	e8 27 9a 00 00       	callq  eb81 <_exit>
-    515a:	83 ec 04             	sub    $0x4,%esp
-    515d:	6a 00                	pushq  $0x0
-    515f:	6a 02                	pushq  $0x2
-    5161:	68 d0 f0 00 00       	pushq  $0xf0d0
-    5166:	e8 24 9a 00 00       	callq  eb8f <open>
-    516b:	c7 04 24 00 00 00 00 	movl   $0x0,(%rsp)
-    5172:	e8 9b 9a 00 00       	callq  ec12 <dup>
-    5177:	c7 04 24 00 00 00 00 	movl   $0x0,(%rsp)
-    517e:	e8 8f 9a 00 00       	callq  ec12 <dup>
-    5183:	a1 c4 85 01 00 83 c4 	movabs 0x890cc483000185c4,%eax
-    518a:	0c 89 
-    518c:	c2 c1 e2             	retq   $0xe2c1
-    518f:	0a 52 50             	or     0x50(%rdx),%dl
-    5192:	68 f4 f6 00 00       	pushq  $0xf6f4
-    5197:	e8 dc fe ff ff       	callq  5078 <gdt+0x800>
-    519c:	c7 04 24 da f0 00 00 	movl   $0xf0da,(%rsp)
-    51a3:	e8 d0 fe ff ff       	callq  5078 <gdt+0x800>
-    51a8:	e8 fb fe ff ff       	callq  50a8 <fork>
-    51ad:	89 44 24 18          	mov    %eax,0x18(%rsp)
-    51b1:	83 c4 10             	add    $0x10,%esp
-    51b4:	85 c0                	test   %eax,%eax
-    51b6:	78 34                	js     51ec <init+0xc8>
-    51b8:	85 c0                	test   %eax,%eax
-    51ba:	74 42                	je     51fe <init+0xda>
-    51bc:	83 ec 0c             	sub    $0xc,%esp
-    51bf:	8d 44 24 14          	lea    0x14(%rsp),%eax
-    51c3:	50                   	push   %rax
-    51c4:	e8 eb 9a 00 00       	callq  ecb4 <wait>
-    51c9:	83 c4 0c             	add    $0xc,%esp
-    51cc:	ff 74 24 0c          	pushq  0xc(%rsp)
-    51d0:	50                   	push   %rax
-    51d1:	68 ff f0 00 00       	pushq  $0xf0ff
-    51d6:	e8 9d fe ff ff       	callq  5078 <gdt+0x800>
-    51db:	e8 25 ff ff ff       	callq  5105 <sync>
-    51e0:	c7 04 24 00 00 00 00 	movl   $0x0,(%rsp)
-    51e7:	e8 95 99 00 00       	callq  eb81 <_exit>
-    51ec:	83 ec 0c             	sub    $0xc,%esp
-    51ef:	68 e1 f0 00 00       	pushq  $0xf0e1
-    51f4:	e8 7f fe ff ff       	callq  5078 <gdt+0x800>
-    51f9:	83 c4 10             	add    $0x10,%esp
-    51fc:	eb be                	jmp    51bc <init+0x98>
-    51fe:	83 ec 0c             	sub    $0xc,%esp
-    5201:	6a 00                	pushq  $0x0
-    5203:	e8 b6 99 00 00       	callq  ebbe <close>
-    5208:	c7 04 24 01 00 00 00 	movl   $0x1,(%rsp)
-    520f:	e8 aa 99 00 00       	callq  ebbe <close>
-    5214:	c7 04 24 02 00 00 00 	movl   $0x2,(%rsp)
-    521b:	e8 9e 99 00 00       	callq  ebbe <close>
-    5220:	e8 12 9a 00 00       	callq  ec37 <setsid>
-    5225:	83 c4 0c             	add    $0xc,%esp
-    5228:	6a 00                	pushq  $0x0
-    522a:	6a 02                	pushq  $0x2
-    522c:	68 d0 f0 00 00       	pushq  $0xf0d0
-    5231:	e8 59 99 00 00       	callq  eb8f <open>
-    5236:	c7 04 24 00 00 00 00 	movl   $0x0,(%rsp)
-    523d:	e8 d0 99 00 00       	callq  ec12 <dup>
-    5242:	c7 04 24 00 00 00 00 	movl   $0x0,(%rsp)
-    5249:	e8 c4 99 00 00       	callq  ec12 <dup>
-    524e:	83 c4 0c             	add    $0xc,%esp
-    5251:	68 c0 2b 01 00       	pushq  $0x12bc0
-    5256:	68 c8 2b 01 00       	pushq  $0x12bc8
-    525b:	68 f7 f0 00 00       	pushq  $0xf0f7
-    5260:	e8 f1 99 00 00       	callq  ec56 <execve>
-    5265:	89 04 24             	mov    %eax,(%rsp)
-    5268:	e8 14 99 00 00       	callq  eb81 <_exit>
-
-000000000000526d <main>:
-    526d:	8d 4c 24 04          	lea    0x4(%rsp),%ecx
-    5271:	83 e4 f0             	and    $0xfffffff0,%esp
-    5274:	ff 71 fc             	pushq  -0x4(%rcx)
-    5277:	55                   	push   %rbp
-    5278:	89 e5                	mov    %esp,%ebp
-    527a:	57                   	push   %rdi
-    527b:	56                   	push   %rsi
-    527c:	53                   	push   %rbx
-    527d:	51                   	push   %rcx
-    527e:	83 ec 48             	sub    $0x48,%esp
-    5281:	65 a1 14 00 00 00 89 	movabs %gs:0x31e4458900000014,%eax
-    5288:	45 e4 31 
-    528b:	c0 b8 80 00 00 00 ba 	sarb   $0xba,0x80(%rax)
-    5292:	70 00                	jo     5294 <main+0x27>
-    5294:	00 00                	add    %al,(%rax)
-    5296:	ee                   	out    %al,(%dx)
-    5297:	eb 00                	jmp    5299 <main+0x2c>
-    5299:	eb 00                	jmp    529b <main+0x2e>
-    529b:	ba 71 00 00 00       	mov    $0x71,%edx
-    52a0:	ec                   	in     (%dx),%al
-    52a1:	eb 00                	jmp    52a3 <main+0x36>
-    52a3:	eb 00                	jmp    52a5 <main+0x38>
-    52a5:	89 c6                	mov    %eax,%esi
-    52a7:	0f b6 d8             	movzbl %al,%ebx
-    52aa:	b8 82 00 00 00       	mov    $0x82,%eax
-    52af:	ba 70 00 00 00       	mov    $0x70,%edx
-    52b4:	ee                   	out    %al,(%dx)
-    52b5:	eb 00                	jmp    52b7 <main+0x4a>
-    52b7:	eb 00                	jmp    52b9 <main+0x4c>
-    52b9:	ba 71 00 00 00       	mov    $0x71,%edx
-    52be:	ec                   	in     (%dx),%al
-    52bf:	eb 00                	jmp    52c1 <main+0x54>
-    52c1:	eb 00                	jmp    52c3 <main+0x56>
-    52c3:	88 c1                	mov    %al,%cl
-    52c5:	b8 84 00 00 00       	mov    $0x84,%eax
-    52ca:	ba 70 00 00 00       	mov    $0x70,%edx
-    52cf:	ee                   	out    %al,(%dx)
-    52d0:	eb 00                	jmp    52d2 <main+0x65>
-    52d2:	eb 00                	jmp    52d4 <main+0x67>
-    52d4:	ba 71 00 00 00       	mov    $0x71,%edx
-    52d9:	ec                   	in     (%dx),%al
-    52da:	eb 00                	jmp    52dc <main+0x6f>
-    52dc:	eb 00                	jmp    52de <main+0x71>
-    52de:	88 45 b7             	mov    %al,-0x49(%rbp)
-    52e1:	b8 87 00 00 00       	mov    $0x87,%eax
-    52e6:	ba 70 00 00 00       	mov    $0x70,%edx
-    52eb:	ee                   	out    %al,(%dx)
-    52ec:	eb 00                	jmp    52ee <main+0x81>
-    52ee:	eb 00                	jmp    52f0 <main+0x83>
-    52f0:	ba 71 00 00 00       	mov    $0x71,%edx
-    52f5:	ec                   	in     (%dx),%al
-    52f6:	eb 00                	jmp    52f8 <main+0x8b>
-    52f8:	eb 00                	jmp    52fa <main+0x8d>
-    52fa:	89 c7                	mov    %eax,%edi
-    52fc:	b8 88 00 00 00       	mov    $0x88,%eax
-    5301:	ba 70 00 00 00       	mov    $0x70,%edx
-    5306:	ee                   	out    %al,(%dx)
-    5307:	eb 00                	jmp    5309 <main+0x9c>
-    5309:	eb 00                	jmp    530b <main+0x9e>
-    530b:	ba 71 00 00 00       	mov    $0x71,%edx
-    5310:	ec                   	in     (%dx),%al
-    5311:	eb 00                	jmp    5313 <main+0xa6>
-    5313:	eb 00                	jmp    5315 <main+0xa8>
-    5315:	88 45 b6             	mov    %al,-0x4a(%rbp)
-    5318:	b8 89 00 00 00       	mov    $0x89,%eax
-    531d:	ba 70 00 00 00       	mov    $0x70,%edx
-    5322:	ee                   	out    %al,(%dx)
-    5323:	eb 00                	jmp    5325 <main+0xb8>
-    5325:	eb 00                	jmp    5327 <main+0xba>
-    5327:	ba 71 00 00 00       	mov    $0x71,%edx
-    532c:	ec                   	in     (%dx),%al
-    532d:	eb 00                	jmp    532f <main+0xc2>
-    532f:	eb 00                	jmp    5331 <main+0xc4>
-    5331:	88 45 b5             	mov    %al,-0x4b(%rbp)
-    5334:	b8 80 00 00 00       	mov    $0x80,%eax
-    5339:	ba 70 00 00 00       	mov    $0x70,%edx
-    533e:	ee                   	out    %al,(%dx)
-    533f:	eb 00                	jmp    5341 <main+0xd4>
-    5341:	eb 00                	jmp    5343 <main+0xd6>
-    5343:	ba 71 00 00 00       	mov    $0x71,%edx
-    5348:	ec                   	in     (%dx),%al
-    5349:	eb 00                	jmp    534b <main+0xde>
-    534b:	eb 00                	jmp    534d <main+0xe0>
-    534d:	0f b6 c0             	movzbl %al,%eax
-    5350:	39 c3                	cmp    %eax,%ebx
-    5352:	0f 85 34 ff ff ff    	jne    528c <main+0x1f>
-    5358:	0f b6 45 b6          	movzbl -0x4a(%rbp),%eax
-    535c:	48 c1 fb 04          	sar    $0x4,%rbx
-    5360:	8d 14 9b             	lea    (%rbx,%rbx,4),%edx
-    5363:	01 d2                	add    %edx,%edx
-    5365:	89 f3                	mov    %esi,%ebx
-    5367:	83 e3 0f             	and    $0xf,%ebx
-    536a:	01 da                	add    %ebx,%edx
-    536c:	89 55 c0             	mov    %edx,-0x40(%rbp)
-    536f:	0f b6 d1             	movzbl %cl,%edx
-    5372:	c1 fa 04             	sar    $0x4,%edx
-    5375:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    5378:	01 d2                	add    %edx,%edx
-    537a:	83 e1 0f             	and    $0xf,%ecx
-    537d:	01 ca                	add    %ecx,%edx
-    537f:	89 55 c4             	mov    %edx,-0x3c(%rbp)
-    5382:	8a 5d b7             	mov    -0x49(%rbp),%bl
-    5385:	0f b6 d3             	movzbl %bl,%edx
-    5388:	c1 fa 04             	sar    $0x4,%edx
-    538b:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    538e:	01 d2                	add    %edx,%edx
-    5390:	89 d9                	mov    %ebx,%ecx
-    5392:	83 e1 0f             	and    $0xf,%ecx
-    5395:	01 ca                	add    %ecx,%edx
-    5397:	89 55 c8             	mov    %edx,-0x38(%rbp)
-    539a:	89 fb                	mov    %edi,%ebx
-    539c:	0f b6 d3             	movzbl %bl,%edx
-    539f:	c1 fa 04             	sar    $0x4,%edx
-    53a2:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    53a5:	01 d2                	add    %edx,%edx
-    53a7:	89 f9                	mov    %edi,%ecx
-    53a9:	83 e1 0f             	and    $0xf,%ecx
-    53ac:	01 ca                	add    %ecx,%edx
-    53ae:	89 55 cc             	mov    %edx,-0x34(%rbp)
-    53b1:	89 c2                	mov    %eax,%edx
-    53b3:	c1 fa 04             	sar    $0x4,%edx
-    53b6:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    53b9:	01 d2                	add    %edx,%edx
-    53bb:	83 e0 0f             	and    $0xf,%eax
-    53be:	01 d0                	add    %edx,%eax
-    53c0:	89 45 d0             	mov    %eax,-0x30(%rbp)
-    53c3:	8a 4d b5             	mov    -0x4b(%rbp),%cl
-    53c6:	0f b6 c1             	movzbl %cl,%eax
-    53c9:	c1 f8 04             	sar    $0x4,%eax
-    53cc:	8d 04 80             	lea    (%rax,%rax,4),%eax
-    53cf:	01 c0                	add    %eax,%eax
-    53d1:	89 ca                	mov    %ecx,%edx
-    53d3:	83 e2 0f             	and    $0xf,%edx
-    53d6:	01 d0                	add    %edx,%eax
-    53d8:	89 45 d4             	mov    %eax,-0x2c(%rbp)
-    53db:	83 ec 0c             	sub    $0xc,%esp
-    53de:	8d 45 c0             	lea    -0x40(%rbp),%eax
-    53e1:	50                   	push   %rax
-    53e2:	e8 3a 46 00 00       	callq  9a21 <kernel_mktime>
-    53e7:	a3 04 69 01 00 e8 5c 	movabs %eax,0x165ce800016904
-    53ee:	16 00 
-    53f0:	00 e8                	add    %ch,%al
-    53f2:	9d                   	popfq  
-    53f3:	09 00                	or     %eax,(%rax)
-    53f5:	00 e8                	add    %ch,%al
-    53f7:	9b                   	fwait
-    53f8:	03 00                	add    (%rax),%eax
-    53fa:	00 e8                	add    %ch,%al
-    53fc:	95                   	xchg   %eax,%ebp
-    53fd:	61                   	(bad)  
-    53fe:	00 00                	add    %al,(%rax)
-    5400:	e8 c1 3b 00 00       	callq  8fc6 <hd_init>
-    5405:	fb                   	sti    
-    5406:	89 e0                	mov    %esp,%eax
-    5408:	6a 17                	pushq  $0x17
-    540a:	50                   	push   %rax
-    540b:	9c                   	pushfq 
-    540c:	6a 0f                	pushq  $0xf
-    540e:	68 14 54 00 00       	pushq  $0x5414
-    5413:	cf                   	iret   
-    5414:	b8 17 00 00 00       	mov    $0x17,%eax
-    5419:	8e d8                	mov    %eax,%ds
-    541b:	8e c0                	mov    %eax,%es
-    541d:	8e e0                	mov    %eax,%fs
-    541f:	8e e8                	mov    %eax,%gs
-    5421:	e8 82 fc ff ff       	callq  50a8 <fork>
-    5426:	83 c4 10             	add    $0x10,%esp
-    5429:	85 c0                	test   %eax,%eax
-    542b:	75 05                	jne    5432 <main+0x1c5>
-    542d:	e8 f2 fc ff ff       	callq  5124 <init>
-    5432:	e8 90 fc ff ff       	callq  50c7 <pause>
-    5437:	eb f9                	jmp    5432 <main+0x1c5>
-    5439:	90                   	nop
-
-000000000000543a <sys_alarm>:
-    543a:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    543e:	85 c0                	test   %eax,%eax
-    5440:	7e 1c                	jle    545e <sys_alarm+0x24>
-    5442:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 1bd50 <end+0x1b48>
-    5448:	8d 14 80             	lea    (%rax,%rax,4),%edx
-    544b:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    544e:	8d 0c 91             	lea    (%rcx,%rdx,4),%ecx
-    5451:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 18157 <inode_table+0x297>
-    5457:	89 8a c8 00 00 00    	mov    %ecx,0xc8(%rdx)
-    545d:	c3                   	retq   
-    545e:	b9 00 00 00 00       	mov    $0x0,%ecx
-    5463:	eb ec                	jmp    5451 <sys_alarm+0x17>
-
-0000000000005465 <sys_getpid>:
-    5465:	a1 00 2d 01 00 8b 80 	movabs 0xa8808b00012d00,%eax
-    546c:	a8 00 
-    546e:	00 00                	add    %al,(%rax)
-    5470:	c3                   	retq   
-
-0000000000005471 <sys_getppid>:
-    5471:	a1 00 2d 01 00 8b 80 	movabs 0xac808b00012d00,%eax
-    5478:	ac 00 
-    547a:	00 00                	add    %al,(%rax)
-    547c:	c3                   	retq   
-
-000000000000547d <sys_getuid>:
-    547d:	a1 00 2d 01 00 0f b7 	movabs 0xbc80b70f00012d00,%eax
-    5484:	80 bc 
-    5486:	00 00                	add    %al,(%rax)
-    5488:	00 c3                	add    %al,%bl
-
-000000000000548a <sys_geteuid>:
-    548a:	a1 00 2d 01 00 0f b7 	movabs 0xbe80b70f00012d00,%eax
-    5491:	80 be 
-    5493:	00 00                	add    %al,(%rax)
-    5495:	00 c3                	add    %al,%bl
-
-0000000000005497 <sys_getgid>:
-    5497:	a1 00 2d 01 00 0f b7 	movabs 0xc280b70f00012d00,%eax
-    549e:	80 c2 
-    54a0:	00 00                	add    %al,(%rax)
-    54a2:	00 c3                	add    %al,%bl
-
-00000000000054a4 <sys_getegid>:
-    54a4:	a1 00 2d 01 00 0f b7 	movabs 0xc480b70f00012d00,%eax
-    54ab:	80 c4 
-    54ad:	00 00                	add    %al,(%rax)
-    54af:	00 c3                	add    %al,%bl
-
-00000000000054b1 <sys_nice>:
-    54b1:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 181b7 <inode_table+0x2f7>
-    54b7:	8b 42 08             	mov    0x8(%rdx),%eax
-    54ba:	2b 44 24 04          	sub    0x4(%rsp),%eax
-    54be:	85 c0                	test   %eax,%eax
-    54c0:	7e 03                	jle    54c5 <sys_nice+0x14>
-    54c2:	89 42 08             	mov    %eax,0x8(%rdx)
-    54c5:	b8 00 00 00 00       	mov    $0x0,%eax
-    54ca:	c3                   	retq   
-
-00000000000054cb <sys_signal>:
-    54cb:	53                   	push   %rbx
-    54cc:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    54d0:	83 f8 11             	cmp    $0x11,%eax
-    54d3:	77 23                	ja     54f8 <sys_signal+0x2d>
-    54d5:	ff 24 85 00 ed 00 00 	jmpq   *0xed00(,%rax,4)
-    54dc:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 181e2 <inode_table+0x322>
-    54e2:	8d 0c 82             	lea    (%rdx,%rax,4),%ecx
-    54e5:	8b 41 10             	mov    0x10(%rcx),%eax
-    54e8:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    54ec:	89 59 10             	mov    %ebx,0x10(%rcx)
-    54ef:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    54f3:	89 4a 10             	mov    %ecx,0x10(%rdx)
-    54f6:	5b                   	pop    %rbx
-    54f7:	c3                   	retq   
-    54f8:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    54fd:	eb f7                	jmp    54f6 <sys_signal+0x2b>
-
-00000000000054ff <math_state_restore>:
-    54ff:	a1 00 69 01 00 85 c0 	movabs 0x674c08500016900,%eax
-    5506:	74 06 
-    5508:	dd b0 c8 01 00 00    	fnsave 0x1c8(%rax)
-    550e:	a1 00 2d 01 00 66 83 	movabs 0xe0b8836600012d00,%eax
-    5515:	b8 e0 
-    5517:	00 00                	add    %al,(%rax)
-    5519:	00 00                	add    %al,(%rax)
-    551b:	75 11                	jne    552e <math_state_restore+0x2f>
-    551d:	db e3                	fninit 
-    551f:	66 c7 80 e0 00 00 00 	movw   $0x1,0xe0(%rax)
-    5526:	01 00 
-    5528:	a3 00 69 01 00 c3 dd 	movabs %eax,0xc8a0ddc300016900
-    552f:	a0 c8 
-    5531:	01 00                	add    %eax,(%rax)
-    5533:	00 eb                	add    %ch,%bl
-    5535:	f2                   	repnz
-
-0000000000005536 <schedule>:
-    5536:	57                   	push   %rdi
-    5537:	56                   	push   %rsi
-    5538:	53                   	push   %rbx
-    5539:	83 ec 10             	sub    $0x10,%esp
-    553c:	65 a1 14 00 00 00 89 	movabs %gs:0xc24448900000014,%eax
-    5543:	44 24 0c 
-    5546:	31 c0                	xor    %eax,%eax
-    5548:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    554d:	eb 17                	jmp    5566 <schedule+0x30>
-    554f:	8b 10                	mov    (%rax),%edx
-    5551:	83 7a 0c 00          	cmpl   $0x0,0xc(%rdx)
-    5555:	74 05                	je     555c <schedule+0x26>
-    5557:	83 3a 01             	cmpl   $0x1,(%rdx)
-    555a:	74 39                	je     5595 <schedule+0x5f>
-    555c:	83 e8 04             	sub    $0x4,%eax
-    555f:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    5564:	76 37                	jbe    559d <schedule+0x67>
-    5566:	8b 10                	mov    (%rax),%edx
-    5568:	85 d2                	test   %edx,%edx
-    556a:	74 f0                	je     555c <schedule+0x26>
-    556c:	8b 8a c8 00 00 00    	mov    0xc8(%rdx),%ecx
-    5572:	85 c9                	test   %ecx,%ecx
-    5574:	74 d9                	je     554f <schedule+0x19>
-    5576:	8b 1d 08 69 01 00    	mov    0x16908(%rip),%ebx        # 1be84 <end+0x1c7c>
-    557c:	39 d9                	cmp    %ebx,%ecx
-    557e:	7d cf                	jge    554f <schedule+0x19>
-    5580:	81 4a 0c 00 20 00 00 	orl    $0x2000,0xc(%rdx)
-    5587:	8b 10                	mov    (%rax),%edx
-    5589:	c7 82 c8 00 00 00 00 	movl   $0x0,0xc8(%rdx)
-    5590:	00 00 00 
-    5593:	eb ba                	jmp    554f <schedule+0x19>
-    5595:	c7 02 00 00 00 00    	movl   $0x0,(%rdx)
-    559b:	eb bf                	jmp    555c <schedule+0x26>
-    559d:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    55a2:	bb 00 00 00 00       	mov    $0x0,%ebx
-    55a7:	b8 3f 00 00 00       	mov    $0x3f,%eax
-    55ac:	89 f1                	mov    %esi,%ecx
-    55ae:	89 df                	mov    %ebx,%edi
-    55b0:	eb 03                	jmp    55b5 <schedule+0x7f>
-    55b2:	48 74 1d             	rex.W je 55d2 <schedule+0x9c>
-    55b5:	8b 14 85 00 2c 01 00 	mov    0x12c00(,%rax,4),%edx
-    55bc:	85 d2                	test   %edx,%edx
-    55be:	74 f2                	je     55b2 <schedule+0x7c>
-    55c0:	83 3a 00             	cmpl   $0x0,(%rdx)
-    55c3:	75 ed                	jne    55b2 <schedule+0x7c>
-    55c5:	8b 52 04             	mov    0x4(%rdx),%edx
-    55c8:	39 ca                	cmp    %ecx,%edx
-    55ca:	7e e6                	jle    55b2 <schedule+0x7c>
-    55cc:	89 d1                	mov    %edx,%ecx
-    55ce:	89 c7                	mov    %eax,%edi
-    55d0:	eb e0                	jmp    55b2 <schedule+0x7c>
-    55d2:	85 c9                	test   %ecx,%ecx
-    55d4:	75 25                	jne    55fb <schedule+0xc5>
-    55d6:	b9 fc 2c 01 00       	mov    $0x12cfc,%ecx
-    55db:	eb 0b                	jmp    55e8 <schedule+0xb2>
-    55dd:	83 e9 04             	sub    $0x4,%ecx
-    55e0:	81 f9 00 2c 01 00    	cmp    $0x12c00,%ecx
-    55e6:	76 bf                	jbe    55a7 <schedule+0x71>
-    55e8:	8b 11                	mov    (%rcx),%edx
-    55ea:	85 d2                	test   %edx,%edx
-    55ec:	74 ef                	je     55dd <schedule+0xa7>
-    55ee:	8b 42 04             	mov    0x4(%rdx),%eax
-    55f1:	d1 f8                	sar    %eax
-    55f3:	03 42 08             	add    0x8(%rdx),%eax
-    55f6:	89 42 04             	mov    %eax,0x4(%rdx)
-    55f9:	eb e2                	jmp    55dd <schedule+0xa7>
-    55fb:	89 fa                	mov    %edi,%edx
-    55fd:	c1 e2 04             	shl    $0x4,%edx
-    5600:	83 c2 20             	add    $0x20,%edx
-    5603:	8b 0c bd 00 2c 01 00 	mov    0x12c00(,%rdi,4),%ecx
-    560a:	39 0d 00 2d 01 00    	cmp    %ecx,0x12d00(%rip)        # 18310 <inode_table+0x450>
-    5610:	74 19                	je     562b <schedule+0xf5>
-    5612:	87 0d 00 2d 01 00    	xchg   %ecx,0x12d00(%rip)        # 18318 <inode_table+0x458>
-    5618:	66 89 54 24 08       	mov    %dx,0x8(%rsp)
-    561d:	ff 6c 24 04          	ljmp   *0x4(%rsp)
-    5621:	39 0d 00 69 01 00    	cmp    %ecx,0x16900(%rip)        # 1bf27 <end+0x1d1f>
-    5627:	75 02                	jne    562b <schedule+0xf5>
-    5629:	0f 06                	clts   
-    562b:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    562f:	65 33 05 14 00 00 00 	xor    %gs:0x14(%rip),%eax        # 564a <sys_pause+0x6>
-    5636:	75 07                	jne    563f <schedule+0x109>
-    5638:	83 c4 10             	add    $0x10,%esp
-    563b:	5b                   	pop    %rbx
-    563c:	5e                   	pop    %rsi
-    563d:	5f                   	pop    %rdi
-    563e:	c3                   	retq   
-    563f:	e8 62 0e 00 00       	callq  64a6 <__stack_chk_fail>
-
-0000000000005644 <sys_pause>:
-    5644:	83 ec 0c             	sub    $0xc,%esp
-    5647:	a1 00 2d 01 00 c7 00 	movabs 0x100c700012d00,%eax
-    564e:	01 00 
-    5650:	00 00                	add    %al,(%rax)
-    5652:	e8 df fe ff ff       	callq  5536 <schedule>
-    5657:	b8 00 00 00 00       	mov    $0x0,%eax
-    565c:	83 c4 0c             	add    $0xc,%esp
-    565f:	c3                   	retq   
-
-0000000000005660 <sleep_on>:
-    5660:	56                   	push   %rsi
-    5661:	53                   	push   %rbx
-    5662:	83 ec 04             	sub    $0x4,%esp
-    5665:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    5669:	85 db                	test   %ebx,%ebx
-    566b:	74 2f                	je     569c <sleep_on+0x3c>
-    566d:	81 3d 00 2d 01 00 20 	cmpl   $0x12d20,0x12d00(%rip)        # 18377 <inode_table+0x4b7>
-    5674:	2d 01 00 
-    5677:	74 29                	je     56a2 <sleep_on+0x42>
-    5679:	8b 33                	mov    (%rbx),%esi
-    567b:	a1 00 2d 01 00 89 03 	movabs 0xa1038900012d00,%eax
-    5682:	a1 00 
-    5684:	2d 01 00 c7 00       	sub    $0xc70001,%eax
-    5689:	02 00                	add    (%rax),%al
-    568b:	00 00                	add    %al,(%rax)
-    568d:	e8 a4 fe ff ff       	callq  5536 <schedule>
-    5692:	85 f6                	test   %esi,%esi
-    5694:	74 06                	je     569c <sleep_on+0x3c>
-    5696:	c7 06 00 00 00 00    	movl   $0x0,(%rsi)
-    569c:	83 c4 04             	add    $0x4,%esp
-    569f:	5b                   	pop    %rbx
-    56a0:	5e                   	pop    %rsi
-    56a1:	c3                   	retq   
-    56a2:	83 ec 0c             	sub    $0xc,%esp
-    56a5:	68 2e f1 00 00       	pushq  $0xf12e
-    56aa:	e8 d4 0d 00 00       	callq  6483 <panic>
-    56af:	83 c4 10             	add    $0x10,%esp
-    56b2:	eb c5                	jmp    5679 <sleep_on+0x19>
-
-00000000000056b4 <interruptible_sleep_on>:
-    56b4:	56                   	push   %rsi
-    56b5:	53                   	push   %rbx
-    56b6:	83 ec 04             	sub    $0x4,%esp
-    56b9:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    56bd:	85 db                	test   %ebx,%ebx
-    56bf:	74 5d                	je     571e <interruptible_sleep_on+0x6a>
-    56c1:	81 3d 00 2d 01 00 20 	cmpl   $0x12d20,0x12d00(%rip)        # 183cb <inode_table+0x50b>
-    56c8:	2d 01 00 
-    56cb:	74 2f                	je     56fc <interruptible_sleep_on+0x48>
-    56cd:	8b 33                	mov    (%rbx),%esi
-    56cf:	a1 00 2d 01 00 89 03 	movabs 0xa1038900012d00,%eax
-    56d6:	a1 00 
-    56d8:	2d 01 00 c7 00       	sub    $0xc70001,%eax
-    56dd:	01 00                	add    %eax,(%rax)
-    56df:	00 00                	add    %al,(%rax)
-    56e1:	e8 50 fe ff ff       	callq  5536 <schedule>
-    56e6:	8b 03                	mov    (%rbx),%eax
-    56e8:	85 c0                	test   %eax,%eax
-    56ea:	74 22                	je     570e <interruptible_sleep_on+0x5a>
-    56ec:	3b 05 00 2d 01 00    	cmp    0x12d00(%rip),%eax        # 183f2 <inode_table+0x532>
-    56f2:	74 1a                	je     570e <interruptible_sleep_on+0x5a>
-    56f4:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    56fa:	eb da                	jmp    56d6 <interruptible_sleep_on+0x22>
-    56fc:	83 ec 0c             	sub    $0xc,%esp
-    56ff:	68 2e f1 00 00       	pushq  $0xf12e
-    5704:	e8 7a 0d 00 00       	callq  6483 <panic>
-    5709:	83 c4 10             	add    $0x10,%esp
-    570c:	eb bf                	jmp    56cd <interruptible_sleep_on+0x19>
-    570e:	c7 03 00 00 00 00    	movl   $0x0,(%rbx)
-    5714:	85 f6                	test   %esi,%esi
-    5716:	74 06                	je     571e <interruptible_sleep_on+0x6a>
-    5718:	c7 06 00 00 00 00    	movl   $0x0,(%rsi)
-    571e:	83 c4 04             	add    $0x4,%esp
-    5721:	5b                   	pop    %rbx
-    5722:	5e                   	pop    %rsi
-    5723:	c3                   	retq   
-
-0000000000005724 <wake_up>:
-    5724:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    5728:	85 c0                	test   %eax,%eax
-    572a:	74 12                	je     573e <wake_up+0x1a>
-    572c:	8b 10                	mov    (%rax),%edx
-    572e:	85 d2                	test   %edx,%edx
-    5730:	74 0c                	je     573e <wake_up+0x1a>
-    5732:	c7 02 00 00 00 00    	movl   $0x0,(%rdx)
-    5738:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    573e:	c3                   	retq   
-
-000000000000573f <do_timer>:
-    573f:	83 ec 0c             	sub    $0xc,%esp
-    5742:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    5747:	74 1c                	je     5765 <do_timer+0x26>
-    5749:	a1 00 2d 01 00 ff 80 	movabs 0xcc80ff00012d00,%eax
-    5750:	cc 00 
-    5752:	00 00                	add    %al,(%rax)
-    5754:	8b 48 04             	mov    0x4(%rax),%ecx
-    5757:	8d 51 ff             	lea    -0x1(%rcx),%edx
-    575a:	85 d2                	test   %edx,%edx
-    575c:	7e 2a                	jle    5788 <do_timer+0x49>
-    575e:	89 50 04             	mov    %edx,0x4(%rax)
-    5761:	83 c4 0c             	add    $0xc,%esp
-    5764:	c3                   	retq   
-    5765:	a1 00 2d 01 00 ff 80 	movabs 0xd080ff00012d00,%eax
-    576c:	d0 00 
-    576e:	00 00                	add    %al,(%rax)
-    5770:	8b 48 04             	mov    0x4(%rax),%ecx
-    5773:	8d 51 ff             	lea    -0x1(%rcx),%edx
-    5776:	85 d2                	test   %edx,%edx
-    5778:	7f 09                	jg     5783 <do_timer+0x44>
-    577a:	c7 40 04 00 00 00 00 	movl   $0x0,0x4(%rax)
-    5781:	eb de                	jmp    5761 <do_timer+0x22>
-    5783:	89 50 04             	mov    %edx,0x4(%rax)
-    5786:	eb d9                	jmp    5761 <do_timer+0x22>
-    5788:	c7 40 04 00 00 00 00 	movl   $0x0,0x4(%rax)
-    578f:	e8 a2 fd ff ff       	callq  5536 <schedule>
-    5794:	eb cb                	jmp    5761 <do_timer+0x22>
-
-0000000000005796 <sched_init>:
-    5796:	b8 80 2e 01 00       	mov    $0x12e80,%eax
-    579b:	66 c7 05 98 48 00 00 	movw   $0x68,0x4898(%rip)        # a03c <sys_access+0x8>
-    57a2:	68 00 
-    57a4:	66 a3 9a 48 00 00 c1 	movabs %ax,0xa210c8c10000489a
-    57ab:	c8 10 a2 
-    57ae:	9c                   	pushfq 
-    57af:	48 00 00             	rex.W add %al,(%rax)
-    57b2:	c6 05 9d 48 00 00 89 	movb   $0x89,0x489d(%rip)        # a056 <sys_access+0x22>
-    57b9:	c6 05 9e 48 00 00 00 	movb   $0x0,0x489e(%rip)        # a05e <sys_access+0x2a>
-    57c0:	88 25 9f 48 00 00    	mov    %ah,0x489f(%rip)        # a065 <sys_access+0x31>
-    57c6:	c1 c8 10             	ror    $0x10,%eax
-    57c9:	b8 68 2e 01 00       	mov    $0x12e68,%eax
-    57ce:	66 c7 05 a0 48 00 00 	movw   $0x68,0x48a0(%rip)        # a077 <sys_access+0x43>
-    57d5:	68 00 
-    57d7:	66 a3 a2 48 00 00 c1 	movabs %ax,0xa210c8c1000048a2
-    57de:	c8 10 a2 
-    57e1:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    57e2:	48 00 00             	rex.W add %al,(%rax)
-    57e5:	c6 05 a5 48 00 00 82 	movb   $0x82,0x48a5(%rip)        # a091 <sys_access+0x5d>
-    57ec:	c6 05 a6 48 00 00 00 	movb   $0x0,0x48a6(%rip)        # a099 <sys_access+0x65>
-    57f3:	88 25 a7 48 00 00    	mov    %ah,0x48a7(%rip)        # a0a0 <sys_access+0x6c>
-    57f9:	c1 c8 10             	ror    $0x10,%eax
-    57fc:	b8 00 00 00 00       	mov    $0x0,%eax
-    5801:	c7 80 04 2c 01 00 00 	movl   $0x0,0x12c04(%rax)
-    5808:	00 00 00 
-    580b:	c7 04 85 ac 48 00 00 	movl   $0x0,0x48ac(,%rax,4)
-    5812:	00 00 00 00 
-    5816:	c7 04 85 a8 48 00 00 	movl   $0x0,0x48a8(,%rax,4)
-    581d:	00 00 00 00 
-    5821:	c7 04 85 b4 48 00 00 	movl   $0x0,0x48b4(,%rax,4)
-    5828:	00 00 00 00 
-    582c:	c7 04 85 b0 48 00 00 	movl   $0x0,0x48b0(,%rax,4)
-    5833:	00 00 00 00 
-    5837:	83 c0 04             	add    $0x4,%eax
-    583a:	3d fc 00 00 00       	cmp    $0xfc,%eax
-    583f:	75 c0                	jne    5801 <sched_init+0x6b>
-    5841:	b8 20 00 00 00       	mov    $0x20,%eax
-    5846:	0f 00 d8             	ltr    %ax
-    5849:	b8 28 00 00 00       	mov    $0x28,%eax
-    584e:	0f 00 d0             	lldt   %ax
-    5851:	b8 36 00 00 00       	mov    $0x36,%eax
-    5856:	ba 43 00 00 00       	mov    $0x43,%edx
-    585b:	ee                   	out    %al,(%dx)
-    585c:	eb 00                	jmp    585e <sched_init+0xc8>
-    585e:	eb 00                	jmp    5860 <sched_init+0xca>
-    5860:	ba 40 00 00 00       	mov    $0x40,%edx
-    5865:	b8 9b 00 00 00       	mov    $0x9b,%eax
-    586a:	ee                   	out    %al,(%dx)
-    586b:	eb 00                	jmp    586d <sched_init+0xd7>
-    586d:	eb 00                	jmp    586f <sched_init+0xd9>
-    586f:	b8 2e 00 00 00       	mov    $0x2e,%eax
-    5874:	ee                   	out    %al,(%dx)
-    5875:	b9 00 00 08 00       	mov    $0x80000,%ecx
-    587a:	ba ae 59 00 00       	mov    $0x59ae,%edx
-    587f:	89 c8                	mov    %ecx,%eax
-    5881:	66 89 d0             	mov    %dx,%ax
-    5884:	66 ba 00 8e          	mov    $0x8e00,%dx
-    5888:	a3 78 41 00 00 89 15 	movabs %eax,0x417c158900004178
-    588f:	7c 41 
-    5891:	00 00                	add    %al,(%rax)
-    5893:	ba 21 00 00 00       	mov    $0x21,%edx
-    5898:	ec                   	in     (%dx),%al
-    5899:	eb 00                	jmp    589b <sched_init+0x105>
-    589b:	eb 00                	jmp    589d <sched_init+0x107>
-    589d:	25 fe 00 00 00       	and    $0xfe,%eax
-    58a2:	ee                   	out    %al,(%dx)
-    58a3:	ba ce 58 00 00       	mov    $0x58ce,%edx
-    58a8:	89 c8                	mov    %ecx,%eax
-    58aa:	66 89 d0             	mov    %dx,%ax
-    58ad:	66 ba 00 ef          	mov    $0xef00,%dx
-    58b1:	a3 78 44 00 00 89 15 	movabs %eax,0x447c158900004478
-    58b8:	7c 44 
-    58ba:	00 00                	add    %al,(%rax)
-    58bc:	c3                   	retq   
-    58bd:	90                   	nop
-    58be:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    58c3:	cf                   	iret   
-    58c4:	68 02 59 00 00       	pushq  $0x5902
-    58c9:	e9 68 fc ff ff       	jmpq   5536 <schedule>
-
-00000000000058ce <system_call>:
-    58ce:	83 f8 42             	cmp    $0x42,%eax
-    58d1:	77 eb                	ja     58be <sched_init+0x128>
-    58d3:	1e                   	(bad)  
-    58d4:	06                   	(bad)  
-    58d5:	0f a0                	pushq  %fs
-    58d7:	52                   	push   %rdx
-    58d8:	51                   	push   %rcx
-    58d9:	53                   	push   %rbx
-    58da:	ba 10 00 00 00       	mov    $0x10,%edx
-    58df:	8e da                	mov    %edx,%ds
-    58e1:	8e c2                	mov    %edx,%es
-    58e3:	ba 17 00 00 00       	mov    $0x17,%edx
-    58e8:	8e e2                	mov    %edx,%fs
-    58ea:	ff 14 85 20 3d 01 00 	callq  *0x13d20(,%rax,4)
-    58f1:	50                   	push   %rax
-    58f2:	a1 00 2d 01 00 83 38 	movabs 0x7500388300012d00,%eax
-    58f9:	00 75 
-    58fb:	c8 83 78 04          	enterq $0x7883,$0x4
-    58ff:	00 74 c2 a1          	add    %dh,-0x5f(%rdx,%rax,8)
-    5903:	00 2d 01 00 3b 05    	add    %ch,0x53b0001(%rip)        # 53b590a <end+0x539b702>
-    5909:	00 2c 01             	add    %ch,(%rcx,%rax,1)
-    590c:	00 0f                	add    %cl,(%rdi)
-    590e:	84 80 00 00 00 8b    	test   %al,-0x75000000(%rax)
-    5914:	5c                   	pop    %rsp
-    5915:	24 20                	and    $0x20,%al
-    5917:	f7 c3 03 00 00 00    	test   $0x3,%ebx
-    591d:	74 74                	je     5993 <system_call+0xc5>
-    591f:	66 83 7c 24 2c 17    	cmpw   $0x17,0x2c(%rsp)
-    5925:	75 6c                	jne    5993 <system_call+0xc5>
-    5927:	8b 58 0c             	mov    0xc(%rax),%ebx
-    592a:	0f bc cb             	bsf    %ebx,%ecx
-    592d:	74 64                	je     5993 <system_call+0xc5>
-    592f:	0f b3 cb             	btr    %ecx,%ebx
-    5932:	89 58 0c             	mov    %ebx,0xc(%rax)
-    5935:	8b 5c 88 14          	mov    0x14(%rax,%rcx,4),%ebx
-    5939:	83 fb 01             	cmp    $0x1,%ebx
-    593c:	72 5e                	jb     599c <system_call+0xce>
-    593e:	74 e7                	je     5927 <system_call+0x59>
-    5940:	c7 44 88 14 00 00 00 	movl   $0x0,0x14(%rax,%rcx,4)
-    5947:	00 
-    5948:	41 87 5c 24 1c       	xchg   %ebx,0x1c(%r12)
-    594d:	83 6c 24 28 1c       	subl   $0x1c,0x28(%rsp)
-    5952:	8b 54 24 28          	mov    0x28(%rsp),%edx
-    5956:	50                   	push   %rax
-    5957:	51                   	push   %rcx
-    5958:	6a 1c                	pushq  $0x1c
-    595a:	52                   	push   %rdx
-    595b:	e8 e9 06 00 00       	callq  6049 <verify_area>
-    5960:	5a                   	pop    %rdx
-    5961:	83 c4 04             	add    $0x4,%esp
-    5964:	59                   	pop    %rcx
-    5965:	58                   	pop    %rax
-    5966:	8b 40 10             	mov    0x10(%rax),%eax
-    5969:	64 89 02             	mov    %eax,%fs:(%rdx)
-    596c:	64 89 4a 04          	mov    %ecx,%fs:0x4(%rdx)
-    5970:	8b 04 24             	mov    (%rsp),%eax
-    5973:	64 89 42 08          	mov    %eax,%fs:0x8(%rdx)
-    5977:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    597b:	64 89 42 0c          	mov    %eax,%fs:0xc(%rdx)
-    597f:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    5983:	64 89 42 10          	mov    %eax,%fs:0x10(%rdx)
-    5987:	8b 44 24 24          	mov    0x24(%rsp),%eax
-    598b:	64 89 42 14          	mov    %eax,%fs:0x14(%rdx)
-    598f:	64 89 5a 18          	mov    %ebx,%fs:0x18(%rdx)
-    5993:	58                   	pop    %rax
-    5994:	5b                   	pop    %rbx
-    5995:	59                   	pop    %rcx
-    5996:	5a                   	pop    %rdx
-    5997:	0f a1                	popq   %fs
-    5999:	07                   	(bad)  
-    599a:	1f                   	(bad)  
-    599b:	cf                   	iret   
-    599c:	41 83 f9 11          	cmp    $0x11,%r9d
-    59a0:	74 85                	je     5927 <system_call+0x59>
-    59a2:	51                   	push   %rcx
-    59a3:	e8 cc 3c 00 00       	callq  9674 <do_exit>
-    59a8:	83 c4 04             	add    $0x4,%esp
-    59ab:	eb e6                	jmp    5993 <system_call+0xc5>
-    59ad:	90                   	nop
-
-00000000000059ae <timer_interrupt>:
-    59ae:	1e                   	(bad)  
-    59af:	06                   	(bad)  
-    59b0:	0f a0                	pushq  %fs
-    59b2:	52                   	push   %rdx
-    59b3:	51                   	push   %rcx
-    59b4:	53                   	push   %rbx
-    59b5:	50                   	push   %rax
-    59b6:	b8 10 00 00 00       	mov    $0x10,%eax
-    59bb:	8e d8                	mov    %eax,%ds
-    59bd:	8e c0                	mov    %eax,%es
-    59bf:	b8 17 00 00 00       	mov    $0x17,%eax
-    59c4:	8e e0                	mov    %eax,%fs
-    59c6:	ff 05 08 69 01 00    	incl   0x16908(%rip)        # 1c2d4 <end+0x20cc>
-    59cc:	b0 20                	mov    $0x20,%al
-    59ce:	e6 20                	out    %al,$0x20
-    59d0:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    59d4:	83 e0 03             	and    $0x3,%eax
-    59d7:	50                   	push   %rax
-    59d8:	e8 62 fd ff ff       	callq  573f <do_timer>
-    59dd:	83 c4 04             	add    $0x4,%esp
-    59e0:	e9 1d ff ff ff       	jmpq   5902 <system_call+0x34>
-    59e5:	90                   	nop
-
-00000000000059e6 <sys_execve>:
-    59e6:	8d 44 24 1c          	lea    0x1c(%rsp),%eax
-    59ea:	50                   	push   %rax
-    59eb:	e8 7a 6a 00 00       	callq  c46a <do_execve>
-    59f0:	83 c4 04             	add    $0x4,%esp
-    59f3:	c3                   	retq   
-
-00000000000059f4 <sys_fork>:
-    59f4:	e8 1c 0a 00 00       	callq  6415 <find_empty_process>
-    59f9:	85 c0                	test   %eax,%eax
-    59fb:	78 0e                	js     5a0b <sys_fork+0x17>
-    59fd:	0f a8                	pushq  %gs
-    59ff:	56                   	push   %rsi
-    5a00:	57                   	push   %rdi
-    5a01:	55                   	push   %rbp
-    5a02:	50                   	push   %rax
-    5a03:	e8 87 07 00 00       	callq  618f <copy_process>
-    5a08:	83 c4 14             	add    $0x14,%esp
-    5a0b:	c3                   	retq   
-
-0000000000005a0c <hd_interrupt>:
-    5a0c:	50                   	push   %rax
-    5a0d:	51                   	push   %rcx
-    5a0e:	52                   	push   %rdx
-    5a0f:	1e                   	(bad)  
-    5a10:	06                   	(bad)  
-    5a11:	0f a0                	pushq  %fs
-    5a13:	b8 10 00 00 00       	mov    $0x10,%eax
-    5a18:	8e d8                	mov    %eax,%ds
-    5a1a:	8e c0                	mov    %eax,%es
-    5a1c:	b8 17 00 00 00       	mov    $0x17,%eax
-    5a21:	8e e0                	mov    %eax,%fs
-    5a23:	b0 20                	mov    $0x20,%al
-    5a25:	e6 20                	out    %al,$0x20
-    5a27:	eb 00                	jmp    5a29 <hd_interrupt+0x1d>
-    5a29:	eb 00                	jmp    5a2b <hd_interrupt+0x1f>
-    5a2b:	e6 a0                	out    %al,$0xa0
-    5a2d:	a1 c0 6d 01 00 85 c0 	movabs 0x575c08500016dc0,%eax
-    5a34:	75 05 
-    5a36:	b8 b5 8f 00 00       	mov    $0x8fb5,%eax
-    5a3b:	ff d0                	callq  *%rax
-    5a3d:	0f a1                	popq   %fs
-    5a3f:	07                   	(bad)  
-    5a40:	1f                   	(bad)  
-    5a41:	5a                   	pop    %rdx
-    5a42:	59                   	pop    %rcx
-    5a43:	58                   	pop    %rax
-    5a44:	cf                   	iret   
-    5a45:	57                   	push   %rdi
-    5a46:	56                   	push   %rsi
-    5a47:	53                   	push   %rbx
-    5a48:	89 d3                	mov    %edx,%ebx
-    5a4a:	89 d6                	mov    %edx,%esi
-    5a4c:	83 ec 04             	sub    $0x4,%esp
-    5a4f:	0f b7 c9             	movzwl %cx,%ecx
-    5a52:	51                   	push   %rcx
-    5a53:	50                   	push   %rax
-    5a54:	68 46 f1 00 00       	pushq  $0xf146
-    5a59:	e8 50 0a 00 00       	callq  64ae <printk>
-    5a5e:	83 c4 08             	add    $0x8,%esp
-    5a61:	ff 73 0c             	pushq  0xc(%rbx)
-    5a64:	ff 73 10             	pushq  0x10(%rbx)
-    5a67:	ff 73 08             	pushq  0x8(%rbx)
-    5a6a:	ff 33                	pushq  (%rbx)
-    5a6c:	ff 73 04             	pushq  0x4(%rbx)
-    5a6f:	68 1c f7 00 00       	pushq  $0xf71c
-    5a74:	e8 35 0a 00 00       	callq  64ae <printk>
-    5a79:	66 8c e0             	mov    %fs,%ax
-    5a7c:	83 c4 18             	add    $0x18,%esp
-    5a7f:	0f b7 c0             	movzwl %ax,%eax
-    5a82:	50                   	push   %rax
-    5a83:	68 51 f1 00 00       	pushq  $0xf151
-    5a88:	e8 21 0a 00 00       	callq  64ae <printk>
-    5a8d:	b8 17 00 00 00       	mov    $0x17,%eax
-    5a92:	0f 03 c0             	lsl    %ax,%eax
-    5a95:	40 8b 15 00 2d 01 00 	rex mov 0x12d00(%rip),%edx        # 1879c <user_stack+0x1bc>
-    5a9c:	8a b2 57 01 00 00    	mov    0x157(%rdx),%dh
-    5aa2:	8a 92 54 01 00 00    	mov    0x154(%rdx),%dl
-    5aa8:	c1 e2 10             	shl    $0x10,%edx
-    5aab:	66 8b 92 52 01 00 00 	mov    0x152(%rdx),%dx
-    5ab2:	83 c4 0c             	add    $0xc,%esp
-    5ab5:	50                   	push   %rax
-    5ab6:	52                   	push   %rdx
-    5ab7:	68 5b f1 00 00       	pushq  $0xf15b
-    5abc:	e8 ed 09 00 00       	callq  64ae <printk>
-    5ac1:	83 c4 10             	add    $0x10,%esp
-    5ac4:	83 7b 10 17          	cmpl   $0x17,0x10(%rbx)
-    5ac8:	74 7c                	je     5b46 <hd_interrupt+0x13a>
-    5aca:	b8 00 00 00 00       	mov    $0x0,%eax
-    5acf:	66 0f 00 c8          	str    %ax
-    5ad3:	83 e8 20             	sub    $0x20,%eax
-    5ad6:	c1 e8 04             	shr    $0x4,%eax
-    5ad9:	83 ec 04             	sub    $0x4,%esp
-    5adc:	0f b7 c0             	movzwl %ax,%eax
-    5adf:	50                   	push   %rax
-    5ae0:	a1 00 2d 01 00 ff b0 	movabs 0xa8b0ff00012d00,%eax
-    5ae7:	a8 00 
-    5ae9:	00 00                	add    %al,(%rax)
-    5aeb:	68 7e f1 00 00       	pushq  $0xf17e
-    5af0:	e8 b9 09 00 00       	callq  64ae <printk>
-    5af5:	83 c4 10             	add    $0x10,%esp
-    5af8:	bb 00 00 00 00       	mov    $0x0,%ebx
-    5afd:	8b 46 04             	mov    0x4(%rsi),%eax
-    5b00:	8b 16                	mov    (%rsi),%edx
-    5b02:	0f a0                	pushq  %fs
-    5b04:	8e e0                	mov    %eax,%fs
-    5b06:	64 8a 04 1a          	mov    %fs:(%rdx,%rbx,1),%al
-    5b0a:	0f a1                	popq   %fs
-    5b0c:	83 ec 08             	sub    $0x8,%esp
-    5b0f:	0f b6 c0             	movzbl %al,%eax
-    5b12:	50                   	push   %rax
-    5b13:	68 98 f1 00 00       	pushq  $0xf198
-    5b18:	e8 91 09 00 00       	callq  64ae <printk>
-    5b1d:	43 83 c4 10          	rex.XB add $0x10,%r12d
-    5b21:	83 fb 0a             	cmp    $0xa,%ebx
-    5b24:	75 d7                	jne    5afd <hd_interrupt+0xf1>
-    5b26:	83 ec 0c             	sub    $0xc,%esp
-    5b29:	68 9e f1 00 00       	pushq  $0xf19e
-    5b2e:	e8 7b 09 00 00       	callq  64ae <printk>
-    5b33:	c7 04 24 0b 00 00 00 	movl   $0xb,(%rsp)
-    5b3a:	e8 35 3b 00 00       	callq  9674 <do_exit>
-    5b3f:	83 c4 10             	add    $0x10,%esp
-    5b42:	5b                   	pop    %rbx
-    5b43:	5e                   	pop    %rsi
-    5b44:	5f                   	pop    %rdi
-    5b45:	c3                   	retq   
-    5b46:	83 ec 0c             	sub    $0xc,%esp
-    5b49:	68 70 f1 00 00       	pushq  $0xf170
-    5b4e:	e8 5b 09 00 00       	callq  64ae <printk>
-    5b53:	83 c4 10             	add    $0x10,%esp
-    5b56:	bb 00 00 00 00       	mov    $0x0,%ebx
-    5b5b:	bf 17 00 00 00       	mov    $0x17,%edi
-    5b60:	8b 56 0c             	mov    0xc(%rsi),%edx
-    5b63:	89 f8                	mov    %edi,%eax
-    5b65:	0f a0                	pushq  %fs
-    5b67:	8e e0                	mov    %eax,%fs
-    5b69:	64 8b 04 1a          	mov    %fs:(%rdx,%rbx,1),%eax
-    5b6d:	0f a1                	popq   %fs
-    5b6f:	83 ec 08             	sub    $0x8,%esp
-    5b72:	50                   	push   %rax
-    5b73:	68 78 f1 00 00       	pushq  $0xf178
-    5b78:	e8 31 09 00 00       	callq  64ae <printk>
-    5b7d:	83 c3 04             	add    $0x4,%ebx
-    5b80:	83 c4 10             	add    $0x10,%esp
-    5b83:	83 fb 10             	cmp    $0x10,%ebx
-    5b86:	75 d8                	jne    5b60 <hd_interrupt+0x154>
-    5b88:	83 ec 0c             	sub    $0xc,%esp
-    5b8b:	68 7c f1 00 00       	pushq  $0xf17c
-    5b90:	e8 19 09 00 00       	callq  64ae <printk>
-    5b95:	83 c4 10             	add    $0x10,%esp
-    5b98:	e9 2d ff ff ff       	jmpq   5aca <hd_interrupt+0xbe>
-
-0000000000005b9d <do_double_fault>:
-    5b9d:	83 ec 0c             	sub    $0xc,%esp
-    5ba0:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5ba4:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5ba8:	b8 a1 f1 00 00       	mov    $0xf1a1,%eax
-    5bad:	e8 93 fe ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5bb2:	83 c4 0c             	add    $0xc,%esp
-    5bb5:	c3                   	retq   
-
-0000000000005bb6 <do_general_protection>:
-    5bb6:	83 ec 0c             	sub    $0xc,%esp
-    5bb9:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5bbd:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5bc1:	b8 ae f1 00 00       	mov    $0xf1ae,%eax
-    5bc6:	e8 7a fe ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5bcb:	83 c4 0c             	add    $0xc,%esp
-    5bce:	c3                   	retq   
-
-0000000000005bcf <do_divide_error>:
-    5bcf:	83 ec 0c             	sub    $0xc,%esp
-    5bd2:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5bd6:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5bda:	b8 c1 f1 00 00       	mov    $0xf1c1,%eax
-    5bdf:	e8 61 fe ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5be4:	83 c4 0c             	add    $0xc,%esp
-    5be7:	c3                   	retq   
-
-0000000000005be8 <do_int3>:
-    5be8:	56                   	push   %rsi
-    5be9:	53                   	push   %rbx
-    5bea:	83 ec 10             	sub    $0x10,%esp
-    5bed:	8b 5c 24 1c          	mov    0x1c(%rsp),%ebx
-    5bf1:	be 00 00 00 00       	mov    $0x0,%esi
-    5bf6:	89 f0                	mov    %esi,%eax
-    5bf8:	66 0f 00 c8          	str    %ax
-    5bfc:	89 c6                	mov    %eax,%esi
-    5bfe:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    5c02:	ff 74 24 44          	pushq  0x44(%rsp)
-    5c06:	ff 74 24 4c          	pushq  0x4c(%rsp)
-    5c0a:	ff 74 24 54          	pushq  0x54(%rsp)
-    5c0e:	68 44 f7 00 00       	pushq  $0xf744
-    5c13:	e8 96 08 00 00       	callq  64ae <printk>
-    5c18:	83 c4 14             	add    $0x14,%esp
-    5c1b:	53                   	push   %rbx
-    5c1c:	ff 74 24 34          	pushq  0x34(%rsp)
-    5c20:	ff 74 24 40          	pushq  0x40(%rsp)
-    5c24:	ff 74 24 40          	pushq  0x40(%rsp)
-    5c28:	68 6c f7 00 00       	pushq  $0xf76c
-    5c2d:	e8 7c 08 00 00       	callq  64ae <printk>
-    5c32:	83 c4 14             	add    $0x14,%esp
-    5c35:	56                   	push   %rsi
-    5c36:	ff 74 24 28          	pushq  0x28(%rsp)
-    5c3a:	ff 74 24 30          	pushq  0x30(%rsp)
-    5c3e:	ff 74 24 38          	pushq  0x38(%rsp)
-    5c42:	68 94 f7 00 00       	pushq  $0xf794
-    5c47:	e8 62 08 00 00       	callq  64ae <printk>
-    5c4c:	83 c4 20             	add    $0x20,%esp
-    5c4f:	ff 73 08             	pushq  0x8(%rbx)
-    5c52:	ff 73 04             	pushq  0x4(%rbx)
-    5c55:	ff 33                	pushq  (%rbx)
-    5c57:	68 b8 f7 00 00       	pushq  $0xf7b8
-    5c5c:	e8 4d 08 00 00       	callq  64ae <printk>
-    5c61:	83 c4 14             	add    $0x14,%esp
-    5c64:	5b                   	pop    %rbx
-    5c65:	5e                   	pop    %rsi
-    5c66:	c3                   	retq   
-
-0000000000005c67 <do_nmi>:
-    5c67:	83 ec 0c             	sub    $0xc,%esp
-    5c6a:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5c6e:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5c72:	b8 ce f1 00 00       	mov    $0xf1ce,%eax
-    5c77:	e8 c9 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5c7c:	83 c4 0c             	add    $0xc,%esp
-    5c7f:	c3                   	retq   
-
-0000000000005c80 <do_debug>:
-    5c80:	83 ec 0c             	sub    $0xc,%esp
-    5c83:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5c87:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5c8b:	b8 d2 f1 00 00       	mov    $0xf1d2,%eax
-    5c90:	e8 b0 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5c95:	83 c4 0c             	add    $0xc,%esp
-    5c98:	c3                   	retq   
-
-0000000000005c99 <do_overflow>:
-    5c99:	83 ec 0c             	sub    $0xc,%esp
-    5c9c:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5ca0:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5ca4:	b8 d8 f1 00 00       	mov    $0xf1d8,%eax
-    5ca9:	e8 97 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5cae:	83 c4 0c             	add    $0xc,%esp
-    5cb1:	c3                   	retq   
-
-0000000000005cb2 <do_bounds>:
-    5cb2:	83 ec 0c             	sub    $0xc,%esp
-    5cb5:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5cb9:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5cbd:	b8 e1 f1 00 00       	mov    $0xf1e1,%eax
-    5cc2:	e8 7e fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5cc7:	83 c4 0c             	add    $0xc,%esp
-    5cca:	c3                   	retq   
-
-0000000000005ccb <do_invalid_op>:
-    5ccb:	83 ec 0c             	sub    $0xc,%esp
-    5cce:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5cd2:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5cd6:	b8 e8 f1 00 00       	mov    $0xf1e8,%eax
-    5cdb:	e8 65 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5ce0:	83 c4 0c             	add    $0xc,%esp
-    5ce3:	c3                   	retq   
-
-0000000000005ce4 <do_device_not_available>:
-    5ce4:	83 ec 0c             	sub    $0xc,%esp
-    5ce7:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5ceb:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5cef:	b8 f8 f1 00 00       	mov    $0xf1f8,%eax
-    5cf4:	e8 4c fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5cf9:	83 c4 0c             	add    $0xc,%esp
-    5cfc:	c3                   	retq   
-
-0000000000005cfd <do_coprocessor_segment_overrun>:
-    5cfd:	83 ec 0c             	sub    $0xc,%esp
-    5d00:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d04:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d08:	b8 0d f2 00 00       	mov    $0xf20d,%eax
-    5d0d:	e8 33 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d12:	83 c4 0c             	add    $0xc,%esp
-    5d15:	c3                   	retq   
-
-0000000000005d16 <do_invalid_TSS>:
-    5d16:	83 ec 0c             	sub    $0xc,%esp
-    5d19:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d1d:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d21:	b8 29 f2 00 00       	mov    $0xf229,%eax
-    5d26:	e8 1a fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d2b:	83 c4 0c             	add    $0xc,%esp
-    5d2e:	c3                   	retq   
-
-0000000000005d2f <do_segment_not_present>:
-    5d2f:	83 ec 0c             	sub    $0xc,%esp
-    5d32:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d36:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d3a:	b8 35 f2 00 00       	mov    $0xf235,%eax
-    5d3f:	e8 01 fd ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d44:	83 c4 0c             	add    $0xc,%esp
-    5d47:	c3                   	retq   
-
-0000000000005d48 <do_stack_segment>:
-    5d48:	83 ec 0c             	sub    $0xc,%esp
-    5d4b:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d4f:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d53:	b8 49 f2 00 00       	mov    $0xf249,%eax
-    5d58:	e8 e8 fc ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d5d:	83 c4 0c             	add    $0xc,%esp
-    5d60:	c3                   	retq   
-
-0000000000005d61 <do_coprocessor_error>:
-    5d61:	83 ec 0c             	sub    $0xc,%esp
-    5d64:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d68:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d6c:	b8 57 f2 00 00       	mov    $0xf257,%eax
-    5d71:	e8 cf fc ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d76:	83 c4 0c             	add    $0xc,%esp
-    5d79:	c3                   	retq   
-
-0000000000005d7a <do_reserved>:
-    5d7a:	83 ec 0c             	sub    $0xc,%esp
-    5d7d:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    5d81:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    5d85:	b8 69 f2 00 00       	mov    $0xf269,%eax
-    5d8a:	e8 b6 fc ff ff       	callq  5a45 <hd_interrupt+0x39>
-    5d8f:	83 c4 0c             	add    $0xc,%esp
-    5d92:	c3                   	retq   
-
-0000000000005d93 <trap_init>:
-    5d93:	53                   	push   %rbx
-    5d94:	b8 00 00 08 00       	mov    $0x80000,%eax
-    5d99:	ba 44 5f 00 00       	mov    $0x5f44,%edx
-    5d9e:	66 89 d0             	mov    %dx,%ax
-    5da1:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5da5:	a3 78 40 00 00 89 15 	movabs %eax,0x407c158900004078
-    5dac:	7c 40 
-    5dae:	00 00                	add    %al,(%rax)
-    5db0:	ba 79 5f 00 00       	mov    $0x5f79,%edx
-    5db5:	66 89 d0             	mov    %dx,%ax
-    5db8:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5dbc:	a3 80 40 00 00 89 15 	movabs %eax,0x4084158900004080
-    5dc3:	84 40 
-    5dc5:	00 00                	add    %al,(%rax)
-    5dc7:	ba 80 5f 00 00       	mov    $0x5f80,%edx
-    5dcc:	66 89 d0             	mov    %dx,%ax
-    5dcf:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5dd3:	a3 88 40 00 00 89 15 	movabs %eax,0x408c158900004088
-    5dda:	8c 40 
-    5ddc:	00 00                	add    %al,(%rax)
-    5dde:	ba 87 5f 00 00       	mov    $0x5f87,%edx
-    5de3:	66 89 d0             	mov    %dx,%ax
-    5de6:	66 ba 00 ef          	mov    $0xef00,%dx
-    5dea:	a3 90 40 00 00 89 15 	movabs %eax,0x4094158900004090
-    5df1:	94 40 
-    5df3:	00 00                	add    %al,(%rax)
-    5df5:	ba 8e 5f 00 00       	mov    $0x5f8e,%edx
-    5dfa:	66 89 d0             	mov    %dx,%ax
-    5dfd:	66 ba 00 ef          	mov    $0xef00,%dx
-    5e01:	a3 98 40 00 00 89 15 	movabs %eax,0x409c158900004098
-    5e08:	9c 40 
-    5e0a:	00 00                	add    %al,(%rax)
-    5e0c:	ba 95 5f 00 00       	mov    $0x5f95,%edx
-    5e11:	66 89 d0             	mov    %dx,%ax
-    5e14:	66 ba 00 ef          	mov    $0xef00,%dx
-    5e18:	a3 a0 40 00 00 89 15 	movabs %eax,0x40a41589000040a0
-    5e1f:	a4 40 
-    5e21:	00 00                	add    %al,(%rax)
-    5e23:	ba 9c 5f 00 00       	mov    $0x5f9c,%edx
-    5e28:	66 89 d0             	mov    %dx,%ax
-    5e2b:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5e2f:	a3 a8 40 00 00 89 15 	movabs %eax,0x40ac1589000040a8
-    5e36:	ac 40 
-    5e38:	00 00                	add    %al,(%rax)
-    5e3a:	ba ab 5f 00 00       	mov    $0x5fab,%edx
-    5e3f:	66 89 d0             	mov    %dx,%ax
-    5e42:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5e46:	a3 b0 40 00 00 89 15 	movabs %eax,0x40b41589000040b0
-    5e4d:	b4 40 
-    5e4f:	00 00                	add    %al,(%rax)
-    5e51:	ba f6 5f 00 00       	mov    $0x5ff6,%edx
-    5e56:	66 89 d0             	mov    %dx,%ax
-    5e59:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5e5d:	a3 b8 40 00 00 89 15 	movabs %eax,0x40bc1589000040b8
-    5e64:	bc 40 
-    5e66:	00 00                	add    %al,(%rax)
-    5e68:	ba d8 5f 00 00       	mov    $0x5fd8,%edx
-    5e6d:	66 89 d0             	mov    %dx,%ax
-    5e70:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5e74:	a3 c0 40 00 00 89 15 	movabs %eax,0x40c41589000040c0
-    5e7b:	c4 40 
-    5e7d:	00 00                	add    %al,(%rax)
-    5e7f:	ba 2d 60 00 00       	mov    $0x602d,%edx
-    5e84:	66 89 d0             	mov    %dx,%ax
-    5e87:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5e8b:	a3 c8 40 00 00 89 15 	movabs %eax,0x40cc1589000040c8
-    5e92:	cc 40 
-    5e94:	00 00                	add    %al,(%rax)
-    5e96:	ba 34 60 00 00       	mov    $0x6034,%edx
-    5e9b:	66 89 d0             	mov    %dx,%ax
-    5e9e:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5ea2:	a3 d0 40 00 00 89 15 	movabs %eax,0x40d41589000040d0
-    5ea9:	d4 40 
-    5eab:	00 00                	add    %al,(%rax)
-    5ead:	ba 3b 60 00 00       	mov    $0x603b,%edx
-    5eb2:	66 89 d0             	mov    %dx,%ax
-    5eb5:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5eb9:	a3 d8 40 00 00 89 15 	movabs %eax,0x40dc1589000040d8
-    5ec0:	dc 40 
-    5ec2:	00 00                	add    %al,(%rax)
-    5ec4:	ba 42 60 00 00       	mov    $0x6042,%edx
-    5ec9:	66 89 d0             	mov    %dx,%ax
-    5ecc:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5ed0:	a3 e0 40 00 00 89 15 	movabs %eax,0x40e41589000040e0
-    5ed7:	e4 40 
-    5ed9:	00 00                	add    %al,(%rax)
-    5edb:	ba 90 9f 00 00       	mov    $0x9f90,%edx
-    5ee0:	66 89 d0             	mov    %dx,%ax
-    5ee3:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5ee7:	a3 e8 40 00 00 89 15 	movabs %eax,0x40ec1589000040e8
-    5eee:	ec 40 
-    5ef0:	00 00                	add    %al,(%rax)
-    5ef2:	ba e2 5f 00 00       	mov    $0x5fe2,%edx
-    5ef7:	66 89 d0             	mov    %dx,%ax
-    5efa:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5efe:	a3 f0 40 00 00 89 15 	movabs %eax,0x40f41589000040f0
-    5f05:	f4 40 
-    5f07:	00 00                	add    %al,(%rax)
-    5f09:	ba ec 5f 00 00       	mov    $0x5fec,%edx
-    5f0e:	66 89 d0             	mov    %dx,%ax
-    5f11:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5f15:	a3 f8 40 00 00 89 15 	movabs %eax,0x40fc1589000040f8
-    5f1c:	fc 40 
-    5f1e:	00 00                	add    %al,(%rax)
-    5f20:	b9 00 41 00 00       	mov    $0x4100,%ecx
-    5f25:	bb 78 41 00 00       	mov    $0x4178,%ebx
-    5f2a:	ba e2 5f 00 00       	mov    $0x5fe2,%edx
-    5f2f:	66 89 d0             	mov    %dx,%ax
-    5f32:	66 ba 00 8f          	mov    $0x8f00,%dx
-    5f36:	89 01                	mov    %eax,(%rcx)
-    5f38:	89 51 04             	mov    %edx,0x4(%rcx)
-    5f3b:	83 c1 08             	add    $0x8,%ecx
-    5f3e:	39 d9                	cmp    %ebx,%ecx
-    5f40:	75 ed                	jne    5f2f <trap_init+0x19c>
-    5f42:	5b                   	pop    %rbx
-    5f43:	c3                   	retq   
-
-0000000000005f44 <divide_error>:
-    5f44:	68 cf 5b 00 00       	pushq  $0x5bcf
-    5f49:	87 04 24             	xchg   %eax,(%rsp)
-    5f4c:	53                   	push   %rbx
-    5f4d:	51                   	push   %rcx
-    5f4e:	52                   	push   %rdx
-    5f4f:	57                   	push   %rdi
-    5f50:	56                   	push   %rsi
-    5f51:	55                   	push   %rbp
-    5f52:	1e                   	(bad)  
-    5f53:	06                   	(bad)  
-    5f54:	0f a0                	pushq  %fs
-    5f56:	6a 00                	pushq  $0x0
-    5f58:	8d 54 24 2c          	lea    0x2c(%rsp),%edx
-    5f5c:	52                   	push   %rdx
-    5f5d:	ba 10 00 00 00       	mov    $0x10,%edx
-    5f62:	8e da                	mov    %edx,%ds
-    5f64:	8e c2                	mov    %edx,%es
-    5f66:	8e e2                	mov    %edx,%fs
-    5f68:	ff d0                	callq  *%rax
-    5f6a:	83 c4 08             	add    $0x8,%esp
-    5f6d:	0f a1                	popq   %fs
-    5f6f:	07                   	(bad)  
-    5f70:	1f                   	(bad)  
-    5f71:	5d                   	pop    %rbp
-    5f72:	5e                   	pop    %rsi
-    5f73:	5f                   	pop    %rdi
-    5f74:	5a                   	pop    %rdx
-    5f75:	59                   	pop    %rcx
-    5f76:	5b                   	pop    %rbx
-    5f77:	58                   	pop    %rax
-    5f78:	cf                   	iret   
-
-0000000000005f79 <debug>:
-    5f79:	68 e8 5b 00 00       	pushq  $0x5be8
-    5f7e:	eb c9                	jmp    5f49 <divide_error+0x5>
-
-0000000000005f80 <nmi>:
-    5f80:	68 67 5c 00 00       	pushq  $0x5c67
-    5f85:	eb c2                	jmp    5f49 <divide_error+0x5>
-
-0000000000005f87 <int3>:
-    5f87:	68 e8 5b 00 00       	pushq  $0x5be8
-    5f8c:	eb bb                	jmp    5f49 <divide_error+0x5>
-
-0000000000005f8e <overflow>:
-    5f8e:	68 99 5c 00 00       	pushq  $0x5c99
-    5f93:	eb b4                	jmp    5f49 <divide_error+0x5>
-
-0000000000005f95 <bounds>:
-    5f95:	68 b2 5c 00 00       	pushq  $0x5cb2
-    5f9a:	eb ad                	jmp    5f49 <divide_error+0x5>
-
-0000000000005f9c <invalid_op>:
-    5f9c:	68 cb 5c 00 00       	pushq  $0x5ccb
-    5fa1:	eb a6                	jmp    5f49 <divide_error+0x5>
-    5fa3:	58                   	pop    %rax
-    5fa4:	68 e4 5c 00 00       	pushq  $0x5ce4
-    5fa9:	eb 9e                	jmp    5f49 <divide_error+0x5>
-
-0000000000005fab <device_not_available>:
-    5fab:	50                   	push   %rax
-    5fac:	0f 20 c0             	mov    %cr0,%rax
-    5faf:	0f ba e0 02          	bt     $0x2,%eax
-    5fb3:	72 ee                	jb     5fa3 <invalid_op+0x7>
-    5fb5:	0f 06                	clts   
-    5fb7:	a1 00 2d 01 00 3b 05 	movabs 0x6900053b00012d00,%eax
-    5fbe:	00 69 
-    5fc0:	01 00                	add    %eax,(%rax)
-    5fc2:	74 12                	je     5fd6 <device_not_available+0x2b>
-    5fc4:	51                   	push   %rcx
-    5fc5:	52                   	push   %rdx
-    5fc6:	1e                   	(bad)  
-    5fc7:	b8 10 00 00 00       	mov    $0x10,%eax
-    5fcc:	8e d8                	mov    %eax,%ds
-    5fce:	e8 2c f5 ff ff       	callq  54ff <math_state_restore>
-    5fd3:	1f                   	(bad)  
-    5fd4:	5a                   	pop    %rdx
-    5fd5:	59                   	pop    %rcx
-    5fd6:	58                   	pop    %rax
-    5fd7:	cf                   	iret   
-
-0000000000005fd8 <coprocessor_segment_overrun>:
-    5fd8:	68 fd 5c 00 00       	pushq  $0x5cfd
-    5fdd:	e9 67 ff ff ff       	jmpq   5f49 <divide_error+0x5>
-
-0000000000005fe2 <reserved>:
-    5fe2:	68 7a 5d 00 00       	pushq  $0x5d7a
-    5fe7:	e9 5d ff ff ff       	jmpq   5f49 <divide_error+0x5>
-
-0000000000005fec <coprocessor_error>:
-    5fec:	68 61 5d 00 00       	pushq  $0x5d61
-    5ff1:	e9 53 ff ff ff       	jmpq   5f49 <divide_error+0x5>
-
-0000000000005ff6 <double_fault>:
-    5ff6:	68 9d 5b 00 00       	pushq  $0x5b9d
-    5ffb:	87 44 24 04          	xchg   %eax,0x4(%rsp)
-    5fff:	87 1c 24             	xchg   %ebx,(%rsp)
-    6002:	51                   	push   %rcx
-    6003:	52                   	push   %rdx
-    6004:	57                   	push   %rdi
-    6005:	56                   	push   %rsi
-    6006:	55                   	push   %rbp
-    6007:	1e                   	(bad)  
-    6008:	06                   	(bad)  
-    6009:	0f a0                	pushq  %fs
-    600b:	50                   	push   %rax
-    600c:	8d 44 24 2c          	lea    0x2c(%rsp),%eax
-    6010:	50                   	push   %rax
-    6011:	b8 10 00 00 00       	mov    $0x10,%eax
-    6016:	8e d8                	mov    %eax,%ds
-    6018:	8e c0                	mov    %eax,%es
-    601a:	8e e0                	mov    %eax,%fs
-    601c:	ff d3                	callq  *%rbx
-    601e:	83 c4 08             	add    $0x8,%esp
-    6021:	0f a1                	popq   %fs
-    6023:	07                   	(bad)  
-    6024:	1f                   	(bad)  
-    6025:	5d                   	pop    %rbp
-    6026:	5e                   	pop    %rsi
-    6027:	5f                   	pop    %rdi
-    6028:	5a                   	pop    %rdx
-    6029:	59                   	pop    %rcx
-    602a:	5b                   	pop    %rbx
-    602b:	58                   	pop    %rax
-    602c:	cf                   	iret   
-
-000000000000602d <invalid_TSS>:
-    602d:	68 16 5d 00 00       	pushq  $0x5d16
-    6032:	eb c7                	jmp    5ffb <double_fault+0x5>
-
-0000000000006034 <segment_not_present>:
-    6034:	68 2f 5d 00 00       	pushq  $0x5d2f
-    6039:	eb c0                	jmp    5ffb <double_fault+0x5>
-
-000000000000603b <stack_segment>:
-    603b:	68 48 5d 00 00       	pushq  $0x5d48
-    6040:	eb b9                	jmp    5ffb <double_fault+0x5>
-
-0000000000006042 <general_protection>:
-    6042:	68 b6 5b 00 00       	pushq  $0x5bb6
-    6047:	eb b2                	jmp    5ffb <double_fault+0x5>
-
-0000000000006049 <verify_area>:
-    6049:	56                   	push   %rsi
-    604a:	53                   	push   %rbx
-    604b:	83 ec 04             	sub    $0x4,%esp
-    604e:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    6052:	89 d8                	mov    %ebx,%eax
-    6054:	25 ff 0f 00 00       	and    $0xfff,%eax
-    6059:	03 44 24 14          	add    0x14(%rsp),%eax
-    605d:	81 e3 00 f0 ff ff    	and    $0xfffff000,%ebx
-    6063:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 18d69 <user_stack+0x789>
-    6069:	8a b2 5f 01 00 00    	mov    0x15f(%rdx),%dh
-    606f:	8a 92 5c 01 00 00    	mov    0x15c(%rdx),%dl
-    6075:	c1 e2 10             	shl    $0x10,%edx
-    6078:	66 8b 92 5a 01 00 00 	mov    0x15a(%rdx),%dx
-    607f:	01 d3                	add    %edx,%ebx
-    6081:	85 c0                	test   %eax,%eax
-    6083:	7e 23                	jle    60a8 <verify_area+0x5f>
-    6085:	48 25 00 f0 ff ff    	and    $0xfffffffffffff000,%rax
-    608b:	8d b4 03 00 10 00 00 	lea    0x1000(%rbx,%rax,1),%esi
-    6092:	83 ec 0c             	sub    $0xc,%esp
-    6095:	53                   	push   %rbx
-    6096:	e8 eb 3d 00 00       	callq  9e86 <write_verify>
-    609b:	81 c3 00 10 00 00    	add    $0x1000,%ebx
-    60a1:	83 c4 10             	add    $0x10,%esp
-    60a4:	39 f3                	cmp    %esi,%ebx
-    60a6:	75 ea                	jne    6092 <verify_area+0x49>
-    60a8:	83 c4 04             	add    $0x4,%esp
-    60ab:	5b                   	pop    %rbx
-    60ac:	5e                   	pop    %rsi
-    60ad:	c3                   	retq   
-
-00000000000060ae <copy_mem>:
-    60ae:	55                   	push   %rbp
-    60af:	57                   	push   %rdi
-    60b0:	56                   	push   %rsi
-    60b1:	53                   	push   %rbx
-    60b2:	83 ec 0c             	sub    $0xc,%esp
-    60b5:	8b 5c 24 24          	mov    0x24(%rsp),%ebx
-    60b9:	bf 0f 00 00 00       	mov    $0xf,%edi
-    60be:	0f 03 ff             	lsl    %di,%edi
-    60c1:	47 be 17 00 00 00    	rex.RXB mov $0x17,%r14d
-    60c7:	0f 03 f6             	lsl    %si,%esi
-    60ca:	46 a1 00 2d 01 00 8a 	rex.RX movabs 0x157b08a00012d00,%eax
-    60d1:	b0 57 01 
-    60d4:	00 00                	add    %al,(%rax)
-    60d6:	8a 90 54 01 00 00    	mov    0x154(%rax),%dl
-    60dc:	c1 e2 10             	shl    $0x10,%edx
-    60df:	66 8b 90 52 01 00 00 	mov    0x152(%rax),%dx
-    60e6:	89 d1                	mov    %edx,%ecx
-    60e8:	8a b0 5f 01 00 00    	mov    0x15f(%rax),%dh
-    60ee:	8a 90 5c 01 00 00    	mov    0x15c(%rax),%dl
-    60f4:	c1 e2 10             	shl    $0x10,%edx
-    60f7:	66 8b 90 5a 01 00 00 	mov    0x15a(%rax),%dx
-    60fe:	89 d5                	mov    %edx,%ebp
-    6100:	39 d1                	cmp    %edx,%ecx
-    6102:	75 53                	jne    6157 <copy_mem+0xa9>
-    6104:	39 f7                	cmp    %esi,%edi
-    6106:	77 61                	ja     6169 <copy_mem+0xbb>
-    6108:	8b 7c 24 20          	mov    0x20(%rsp),%edi
-    610c:	c1 e7 1a             	shl    $0x1a,%edi
-    610f:	89 fa                	mov    %edi,%edx
-    6111:	66 89 93 52 01 00 00 	mov    %dx,0x152(%rbx)
-    6118:	c1 ca 10             	ror    $0x10,%edx
-    611b:	88 93 54 01 00 00    	mov    %dl,0x154(%rbx)
-    6121:	88 b3 57 01 00 00    	mov    %dh,0x157(%rbx)
-    6127:	66 89 93 5a 01 00 00 	mov    %dx,0x15a(%rbx)
-    612e:	c1 ca 10             	ror    $0x10,%edx
-    6131:	88 93 5c 01 00 00    	mov    %dl,0x15c(%rbx)
-    6137:	88 b3 5f 01 00 00    	mov    %dh,0x15f(%rbx)
-    613d:	83 ec 04             	sub    $0x4,%esp
-    6140:	56                   	push   %rsi
-    6141:	57                   	push   %rdi
-    6142:	55                   	push   %rbp
-    6143:	e8 e4 3a 00 00       	callq  9c2c <copy_page_tables>
-    6148:	83 c4 10             	add    $0x10,%esp
-    614b:	85 c0                	test   %eax,%eax
-    614d:	75 2c                	jne    617b <copy_mem+0xcd>
-    614f:	83 c4 0c             	add    $0xc,%esp
-    6152:	5b                   	pop    %rbx
-    6153:	5e                   	pop    %rsi
-    6154:	5f                   	pop    %rdi
-    6155:	5d                   	pop    %rbp
-    6156:	c3                   	retq   
-    6157:	83 ec 0c             	sub    $0xc,%esp
-    615a:	68 83 f2 00 00       	pushq  $0xf283
-    615f:	e8 1f 03 00 00       	callq  6483 <panic>
-    6164:	83 c4 10             	add    $0x10,%esp
-    6167:	eb 9b                	jmp    6104 <copy_mem+0x56>
-    6169:	83 ec 0c             	sub    $0xc,%esp
-    616c:	68 a1 f2 00 00       	pushq  $0xf2a1
-    6171:	e8 0d 03 00 00       	callq  6483 <panic>
-    6176:	83 c4 10             	add    $0x10,%esp
-    6179:	eb 8d                	jmp    6108 <copy_mem+0x5a>
-    617b:	83 ec 08             	sub    $0x8,%esp
-    617e:	56                   	push   %rsi
-    617f:	57                   	push   %rdi
-    6180:	e8 de 39 00 00       	callq  9b63 <free_page_tables>
-    6185:	83 c4 10             	add    $0x10,%esp
-    6188:	b8 f4 ff ff ff       	mov    $0xfffffff4,%eax
-    618d:	eb c0                	jmp    614f <copy_mem+0xa1>
-
-000000000000618f <copy_process>:
-    618f:	55                   	push   %rbp
-    6190:	57                   	push   %rdi
-    6191:	56                   	push   %rsi
-    6192:	53                   	push   %rbx
-    6193:	83 ec 0c             	sub    $0xc,%esp
-    6196:	8b 6c 24 20          	mov    0x20(%rsp),%ebp
-    619a:	e8 2c 39 00 00       	callq  9acb <get_free_page>
-    619f:	89 c3                	mov    %eax,%ebx
-    61a1:	85 c0                	test   %eax,%eax
-    61a3:	0f 84 65 02 00 00    	je     640e <copy_process+0x27f>
-    61a9:	8b 35 00 2d 01 00    	mov    0x12d00(%rip),%esi        # 18eaf <user_stack+0x8cf>
-    61af:	b9 8d 00 00 00       	mov    $0x8d,%ecx
-    61b4:	89 c7                	mov    %eax,%edi
-    61b6:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    61b8:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    61be:	a1 0c 69 01 00 89 83 	movabs 0xa883890001690c,%eax
-    61c5:	a8 00 
-    61c7:	00 00                	add    %al,(%rax)
-    61c9:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 18ecf <user_stack+0x8ef>
-    61cf:	8b 82 a8 00 00 00    	mov    0xa8(%rdx),%eax
-    61d5:	89 83 ac 00 00 00    	mov    %eax,0xac(%rbx)
-    61db:	8b 43 08             	mov    0x8(%rbx),%eax
-    61de:	89 43 04             	mov    %eax,0x4(%rbx)
-    61e1:	c7 43 0c 00 00 00 00 	movl   $0x0,0xc(%rbx)
-    61e8:	c7 83 c8 00 00 00 00 	movl   $0x0,0xc8(%rbx)
-    61ef:	00 00 00 
-    61f2:	c7 83 b8 00 00 00 00 	movl   $0x0,0xb8(%rbx)
-    61f9:	00 00 00 
-    61fc:	c7 83 d0 00 00 00 00 	movl   $0x0,0xd0(%rbx)
-    6203:	00 00 00 
-    6206:	c7 83 cc 00 00 00 00 	movl   $0x0,0xcc(%rbx)
-    620d:	00 00 00 
-    6210:	c7 83 d8 00 00 00 00 	movl   $0x0,0xd8(%rbx)
-    6217:	00 00 00 
-    621a:	c7 83 d4 00 00 00 00 	movl   $0x0,0xd4(%rbx)
-    6221:	00 00 00 
-    6224:	a1 08 69 01 00 89 83 	movabs 0xdc838900016908,%eax
-    622b:	dc 00 
-    622d:	00 00                	add    %al,(%rax)
-    622f:	c7 83 60 01 00 00 00 	movl   $0x0,0x160(%rbx)
-    6236:	00 00 00 
-    6239:	8d 83 00 10 00 00    	lea    0x1000(%rbx),%eax
-    623f:	89 83 64 01 00 00    	mov    %eax,0x164(%rbx)
-    6245:	c7 83 68 01 00 00 10 	movl   $0x10,0x168(%rbx)
-    624c:	00 00 00 
-    624f:	8b 44 24 50          	mov    0x50(%rsp),%eax
-    6253:	89 83 80 01 00 00    	mov    %eax,0x180(%rbx)
-    6259:	8b 44 24 58          	mov    0x58(%rsp),%eax
-    625d:	89 83 84 01 00 00    	mov    %eax,0x184(%rbx)
-    6263:	c7 83 88 01 00 00 00 	movl   $0x0,0x188(%rbx)
-    626a:	00 00 00 
-    626d:	8b 44 24 3c          	mov    0x3c(%rsp),%eax
-    6271:	89 83 8c 01 00 00    	mov    %eax,0x18c(%rbx)
-    6277:	8b 44 24 40          	mov    0x40(%rsp),%eax
-    627b:	89 83 90 01 00 00    	mov    %eax,0x190(%rbx)
-    6281:	8b 44 24 38          	mov    0x38(%rsp),%eax
-    6285:	89 83 94 01 00 00    	mov    %eax,0x194(%rbx)
-    628b:	8b 44 24 5c          	mov    0x5c(%rsp),%eax
-    628f:	89 83 98 01 00 00    	mov    %eax,0x198(%rbx)
-    6295:	8b 44 24 24          	mov    0x24(%rsp),%eax
-    6299:	89 83 9c 01 00 00    	mov    %eax,0x19c(%rbx)
-    629f:	8b 44 24 2c          	mov    0x2c(%rsp),%eax
-    62a3:	89 83 a0 01 00 00    	mov    %eax,0x1a0(%rbx)
-    62a9:	8b 44 24 28          	mov    0x28(%rsp),%eax
-    62ad:	89 83 a4 01 00 00    	mov    %eax,0x1a4(%rbx)
-    62b3:	0f b7 44 24 48       	movzwl 0x48(%rsp),%eax
-    62b8:	89 83 a8 01 00 00    	mov    %eax,0x1a8(%rbx)
-    62be:	0f b7 44 24 54       	movzwl 0x54(%rsp),%eax
-    62c3:	89 83 ac 01 00 00    	mov    %eax,0x1ac(%rbx)
-    62c9:	0f b7 44 24 60       	movzwl 0x60(%rsp),%eax
-    62ce:	89 83 b0 01 00 00    	mov    %eax,0x1b0(%rbx)
-    62d4:	0f b7 44 24 4c       	movzwl 0x4c(%rsp),%eax
-    62d9:	89 83 b4 01 00 00    	mov    %eax,0x1b4(%rbx)
-    62df:	0f b7 44 24 44       	movzwl 0x44(%rsp),%eax
-    62e4:	89 83 b8 01 00 00    	mov    %eax,0x1b8(%rbx)
-    62ea:	0f b7 44 24 30       	movzwl 0x30(%rsp),%eax
-    62ef:	89 83 bc 01 00 00    	mov    %eax,0x1bc(%rbx)
-    62f5:	89 e8                	mov    %ebp,%eax
-    62f7:	c1 e0 04             	shl    $0x4,%eax
-    62fa:	83 c0 28             	add    $0x28,%eax
-    62fd:	89 83 c0 01 00 00    	mov    %eax,0x1c0(%rbx)
-    6303:	c7 83 c4 01 00 00 00 	movl   $0x80000000,0x1c4(%rbx)
-    630a:	00 00 80 
-    630d:	3b 15 00 69 01 00    	cmp    0x16900(%rip),%edx        # 1cc13 <end+0x2a0b>
-    6313:	74 1f                	je     6334 <copy_process+0x1a5>
-    6315:	83 ec 08             	sub    $0x8,%esp
-    6318:	53                   	push   %rbx
-    6319:	55                   	push   %rbp
-    631a:	e8 8f fd ff ff       	callq  60ae <copy_mem>
-    631f:	83 c4 10             	add    $0x10,%esp
-    6322:	85 c0                	test   %eax,%eax
-    6324:	75 16                	jne    633c <copy_process+0x1ad>
-    6326:	8d 83 f8 00 00 00    	lea    0xf8(%rbx),%eax
-    632c:	8d 8b 48 01 00 00    	lea    0x148(%rbx),%ecx
-    6332:	eb 25                	jmp    6359 <copy_process+0x1ca>
-    6334:	dd b3 c8 01 00 00    	fnsave 0x1c8(%rbx)
-    633a:	eb d9                	jmp    6315 <copy_process+0x186>
-    633c:	83 ec 0c             	sub    $0xc,%esp
-    633f:	53                   	push   %rbx
-    6340:	e8 be 37 00 00       	callq  9b03 <free_page>
-    6345:	83 c4 10             	add    $0x10,%esp
-    6348:	b8 f5 ff ff ff       	mov    $0xfffffff5,%eax
-    634d:	e9 b4 00 00 00       	jmpq   6406 <copy_process+0x277>
-    6352:	83 c0 04             	add    $0x4,%eax
-    6355:	39 c8                	cmp    %ecx,%eax
-    6357:	74 0c                	je     6365 <copy_process+0x1d6>
-    6359:	8b 10                	mov    (%rax),%edx
-    635b:	85 d2                	test   %edx,%edx
-    635d:	74 f3                	je     6352 <copy_process+0x1c3>
-    635f:	66 ff 42 04          	incw   0x4(%rdx)
-    6363:	eb ed                	jmp    6352 <copy_process+0x1c3>
-    6365:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1906b <user_stack+0xa8b>
-    636b:	8b 82 ec 00 00 00    	mov    0xec(%rdx),%eax
-    6371:	85 c0                	test   %eax,%eax
-    6373:	74 04                	je     6379 <copy_process+0x1ea>
-    6375:	66 ff 40 30          	incw   0x30(%rax)
-    6379:	8b 82 f0 00 00 00    	mov    0xf0(%rdx),%eax
-    637f:	85 c0                	test   %eax,%eax
-    6381:	74 04                	je     6387 <copy_process+0x1f8>
-    6383:	66 ff 40 30          	incw   0x30(%rax)
-    6387:	8d 54 2d 04          	lea    0x4(%rbp,%rbp,1),%edx
-    638b:	c1 e2 03             	shl    $0x3,%edx
-    638e:	8d 83 60 01 00 00    	lea    0x160(%rbx),%eax
-    6394:	66 c7 82 78 48 00 00 	movw   $0x68,0x4878(%rdx)
-    639b:	68 00 
-    639d:	66 89 82 7a 48 00 00 	mov    %ax,0x487a(%rdx)
-    63a4:	c1 c8 10             	ror    $0x10,%eax
-    63a7:	88 82 7c 48 00 00    	mov    %al,0x487c(%rdx)
-    63ad:	c6 82 7d 48 00 00 89 	movb   $0x89,0x487d(%rdx)
-    63b4:	c6 82 7e 48 00 00 00 	movb   $0x0,0x487e(%rdx)
-    63bb:	88 a2 7f 48 00 00    	mov    %ah,0x487f(%rdx)
-    63c1:	c1 c8 10             	ror    $0x10,%eax
-    63c4:	8d 83 48 01 00 00    	lea    0x148(%rbx),%eax
-    63ca:	66 c7 82 80 48 00 00 	movw   $0x68,0x4880(%rdx)
-    63d1:	68 00 
-    63d3:	66 89 82 82 48 00 00 	mov    %ax,0x4882(%rdx)
-    63da:	c1 c8 10             	ror    $0x10,%eax
-    63dd:	88 82 84 48 00 00    	mov    %al,0x4884(%rdx)
-    63e3:	c6 82 85 48 00 00 82 	movb   $0x82,0x4885(%rdx)
-    63ea:	c6 82 86 48 00 00 00 	movb   $0x0,0x4886(%rdx)
-    63f1:	88 a2 87 48 00 00    	mov    %ah,0x4887(%rdx)
-    63f7:	c1 c8 10             	ror    $0x10,%eax
-    63fa:	89 1c ad 00 2c 01 00 	mov    %ebx,0x12c00(,%rbp,4)
-    6401:	a1 0c 69 01 00 83 c4 	movabs 0x5b0cc4830001690c,%eax
-    6408:	0c 5b 
-    640a:	5e                   	pop    %rsi
-    640b:	5f                   	pop    %rdi
-    640c:	5d                   	pop    %rbp
-    640d:	c3                   	retq   
-    640e:	b8 f5 ff ff ff       	mov    $0xfffffff5,%eax
-    6413:	eb f1                	jmp    6406 <copy_process+0x277>
-
-0000000000006415 <find_empty_process>:
-    6415:	56                   	push   %rsi
-    6416:	53                   	push   %rbx
-    6417:	8b 15 0c 69 01 00    	mov    0x1690c(%rip),%edx        # 1cd29 <end+0x2b21>
-    641d:	be 01 00 00 00       	mov    $0x1,%esi
-    6422:	b9 00 2d 01 00       	mov    $0x12d00,%ecx
-    6427:	eb 1b                	jmp    6444 <find_empty_process+0x2f>
-    6429:	89 f3                	mov    %esi,%ebx
-    642b:	eb 1c                	jmp    6449 <find_empty_process+0x34>
-    642d:	83 c0 04             	add    $0x4,%eax
-    6430:	39 c8                	cmp    %ecx,%eax
-    6432:	74 1c                	je     6450 <find_empty_process+0x3b>
-    6434:	8b 10                	mov    (%rax),%edx
-    6436:	85 d2                	test   %edx,%edx
-    6438:	74 f3                	je     642d <find_empty_process+0x18>
-    643a:	8b 92 a8 00 00 00    	mov    0xa8(%rdx),%edx
-    6440:	39 da                	cmp    %ebx,%edx
-    6442:	75 e9                	jne    642d <find_empty_process+0x18>
-    6444:	89 d3                	mov    %edx,%ebx
-    6446:	43 78 e0             	rex.XB js 6429 <find_empty_process+0x14>
-    6449:	b8 00 2c 01 00       	mov    $0x12c00,%eax
-    644e:	eb e4                	jmp    6434 <find_empty_process+0x1f>
-    6450:	89 1d 0c 69 01 00    	mov    %ebx,0x1690c(%rip)        # 1cd62 <end+0x2b5a>
-    6456:	83 3d 04 2c 01 00 00 	cmpl   $0x0,0x12c04(%rip)        # 19061 <user_stack+0xa81>
-    645d:	74 1d                	je     647c <find_empty_process+0x67>
-    645f:	b8 02 00 00 00       	mov    $0x2,%eax
-    6464:	83 3c 85 00 2c 01 00 	cmpl   $0x0,0x12c00(,%rax,4)
-    646b:	00 
-    646c:	74 0b                	je     6479 <find_empty_process+0x64>
-    646e:	40 83 f8 40          	rex cmp $0x40,%eax
-    6472:	75 f0                	jne    6464 <find_empty_process+0x4f>
-    6474:	b8 f5 ff ff ff       	mov    $0xfffffff5,%eax
-    6479:	5b                   	pop    %rbx
-    647a:	5e                   	pop    %rsi
-    647b:	c3                   	retq   
-    647c:	b8 01 00 00 00       	mov    $0x1,%eax
-    6481:	eb f6                	jmp    6479 <find_empty_process+0x64>
-
-0000000000006483 <panic>:
-    6483:	83 ec 14             	sub    $0x14,%esp
-    6486:	ff 74 24 18          	pushq  0x18(%rsp)
-    648a:	68 b0 f2 00 00       	pushq  $0xf2b0
-    648f:	e8 1a 00 00 00       	callq  64ae <printk>
-    6494:	83 c4 10             	add    $0x10,%esp
-    6497:	eb fe                	jmp    6497 <panic+0x14>
-
-0000000000006499 <__stack_chk_fail_local>:
-    6499:	83 ec 18             	sub    $0x18,%esp
-    649c:	68 dc f7 00 00       	pushq  $0xf7dc
-    64a1:	e8 dd ff ff ff       	callq  6483 <panic>
-
-00000000000064a6 <__stack_chk_fail>:
-    64a6:	83 ec 0c             	sub    $0xc,%esp
-    64a9:	e8 eb ff ff ff       	callq  6499 <__stack_chk_fail_local>
-
-00000000000064ae <printk>:
-    64ae:	53                   	push   %rbx
-    64af:	83 ec 0c             	sub    $0xc,%esp
-    64b2:	8d 44 24 18          	lea    0x18(%rsp),%eax
-    64b6:	50                   	push   %rax
-    64b7:	ff 74 24 18          	pushq  0x18(%rsp)
-    64bb:	68 20 69 01 00       	pushq  $0x16920
-    64c0:	e8 2e 02 00 00       	callq  66f3 <vsprintf>
-    64c5:	89 c3                	mov    %eax,%ebx
-    64c7:	0f a0                	pushq  %fs
-    64c9:	1e                   	(bad)  
-    64ca:	0f a1                	popq   %fs
-    64cc:	53                   	push   %rbx
-    64cd:	68 20 69 01 00       	pushq  $0x16920
-    64d2:	6a 00                	pushq  $0x0
-    64d4:	e8 4f 0b 00 00       	callq  7028 <tty_write>
-    64d9:	83 c4 08             	add    $0x8,%esp
-    64dc:	5b                   	pop    %rbx
-    64dd:	0f a1                	popq   %fs
-    64df:	89 d8                	mov    %ebx,%eax
-    64e1:	83 c4 18             	add    $0x18,%esp
-    64e4:	5b                   	pop    %rbx
-    64e5:	c3                   	retq   
-    64e6:	55                   	push   %rbp
-    64e7:	57                   	push   %rdi
-    64e8:	56                   	push   %rsi
-    64e9:	53                   	push   %rbx
-    64ea:	83 ec 4c             	sub    $0x4c,%esp
-    64ed:	89 c3                	mov    %eax,%ebx
-    64ef:	89 d7                	mov    %edx,%edi
-    64f1:	89 cd                	mov    %ecx,%ebp
-    64f3:	65 a1 14 00 00 00 89 	movabs %gs:0x3c24448900000014,%eax
-    64fa:	44 24 3c 
-    64fd:	31 c0                	xor    %eax,%eax
-    64ff:	f6 44 24 68 40       	testb  $0x40,0x68(%rsp)
-    6504:	74 57                	je     655d <printk+0xaf>
-    6506:	be 30 f8 00 00       	mov    $0xf830,%esi
-    650b:	f6 44 24 68 10       	testb  $0x10,0x68(%rsp)
-    6510:	74 05                	je     6517 <printk+0x69>
-    6512:	83 64 24 68 fe       	andl   $0xfffffffe,0x68(%rsp)
-    6517:	8d 45 fe             	lea    -0x2(%rbp),%eax
-    651a:	83 f8 22             	cmp    $0x22,%eax
-    651d:	0f 87 bd 01 00 00    	ja     66e0 <printk+0x232>
-    6523:	8b 44 24 68          	mov    0x68(%rsp),%eax
-    6527:	83 e0 01             	and    $0x1,%eax
-    652a:	83 f8 01             	cmp    $0x1,%eax
-    652d:	19 c0                	sbb    %eax,%eax
-    652f:	83 e0 f0             	and    $0xfffffff0,%eax
-    6532:	83 c0 30             	add    $0x30,%eax
-    6535:	88 44 24 0f          	mov    %al,0xf(%rsp)
-    6539:	f6 44 24 68 02       	testb  $0x2,0x68(%rsp)
-    653e:	74 04                	je     6544 <printk+0x96>
-    6540:	85 ff                	test   %edi,%edi
-    6542:	78 20                	js     6564 <printk+0xb6>
-    6544:	f6 44 24 68 04       	testb  $0x4,0x68(%rsp)
-    6549:	75 22                	jne    656d <printk+0xbf>
-    654b:	8b 44 24 68          	mov    0x68(%rsp),%eax
-    654f:	c1 e0 02             	shl    $0x2,%eax
-    6552:	83 e0 20             	and    $0x20,%eax
-    6555:	88 44 24 0e          	mov    %al,0xe(%rsp)
-    6559:	74 1b                	je     6576 <printk+0xc8>
-    655b:	eb 15                	jmp    6572 <printk+0xc4>
-    655d:	be 08 f8 00 00       	mov    $0xf808,%esi
-    6562:	eb a7                	jmp    650b <printk+0x5d>
-    6564:	f7 df                	neg    %edi
-    6566:	c6 44 24 0e 2d       	movb   $0x2d,0xe(%rsp)
-    656b:	eb 05                	jmp    6572 <printk+0xc4>
-    656d:	c6 44 24 0e 2b       	movb   $0x2b,0xe(%rsp)
-    6572:	ff 4c 24 60          	decl   0x60(%rsp)
-    6576:	8b 44 24 68          	mov    0x68(%rsp),%eax
-    657a:	83 e0 20             	and    $0x20,%eax
-    657d:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    6581:	74 12                	je     6595 <printk+0xe7>
-    6583:	83 fd 10             	cmp    $0x10,%ebp
-    6586:	0f 84 f2 00 00 00    	je     667e <printk+0x1d0>
-    658c:	83 fd 08             	cmp    $0x8,%ebp
-    658f:	0f 84 f3 00 00 00    	je     6688 <printk+0x1da>
-    6595:	85 ff                	test   %edi,%edi
-    6597:	0f 85 f4 00 00 00    	jne    6691 <printk+0x1e3>
-    659d:	c6 44 24 18 30       	movb   $0x30,0x18(%rsp)
-    65a2:	b9 01 00 00 00       	mov    $0x1,%ecx
-    65a7:	89 cf                	mov    %ecx,%edi
-    65a9:	3b 4c 24 64          	cmp    0x64(%rsp),%ecx
-    65ad:	7d 04                	jge    65b3 <printk+0x105>
-    65af:	8b 7c 24 64          	mov    0x64(%rsp),%edi
-    65b3:	8b 44 24 60          	mov    0x60(%rsp),%eax
-    65b7:	29 f8                	sub    %edi,%eax
-    65b9:	f6 44 24 68 11       	testb  $0x11,0x68(%rsp)
-    65be:	75 1b                	jne    65db <printk+0x12d>
-    65c0:	8d 50 ff             	lea    -0x1(%rax),%edx
-    65c3:	85 c0                	test   %eax,%eax
-    65c5:	0f 8e eb 00 00 00    	jle    66b6 <printk+0x208>
-    65cb:	01 d8                	add    %ebx,%eax
-    65cd:	43 c6 43 ff 20       	rex.XB movb $0x20,-0x1(%r11)
-    65d2:	39 c3                	cmp    %eax,%ebx
-    65d4:	75 f7                	jne    65cd <printk+0x11f>
-    65d6:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    65db:	8a 54 24 0e          	mov    0xe(%rsp),%dl
-    65df:	84 d2                	test   %dl,%dl
-    65e1:	74 05                	je     65e8 <printk+0x13a>
-    65e3:	88 13                	mov    %dl,(%rbx)
-    65e5:	8d 5b 01             	lea    0x1(%rbx),%ebx
-    65e8:	83 7c 24 08 00       	cmpl   $0x0,0x8(%rsp)
-    65ed:	74 12                	je     6601 <printk+0x153>
-    65ef:	83 fd 08             	cmp    $0x8,%ebp
-    65f2:	0f 84 c5 00 00 00    	je     66bd <printk+0x20f>
-    65f8:	83 fd 10             	cmp    $0x10,%ebp
-    65fb:	0f 84 c7 00 00 00    	je     66c8 <printk+0x21a>
-    6601:	f6 44 24 68 10       	testb  $0x10,0x68(%rsp)
-    6606:	75 1e                	jne    6626 <printk+0x178>
-    6608:	8d 50 ff             	lea    -0x1(%rax),%edx
-    660b:	85 c0                	test   %eax,%eax
-    660d:	0f 8e c6 00 00 00    	jle    66d9 <printk+0x22b>
-    6613:	01 d8                	add    %ebx,%eax
-    6615:	8a 54 24 0f          	mov    0xf(%rsp),%dl
-    6619:	43 88 53 ff          	rex.XB mov %dl,-0x1(%r11)
-    661d:	39 d8                	cmp    %ebx,%eax
-    661f:	75 f8                	jne    6619 <printk+0x16b>
-    6621:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    6626:	39 f9                	cmp    %edi,%ecx
-    6628:	7d 0f                	jge    6639 <printk+0x18b>
-    662a:	29 cf                	sub    %ecx,%edi
-    662c:	89 fe                	mov    %edi,%esi
-    662e:	01 de                	add    %ebx,%esi
-    6630:	43 c6 43 ff 30       	rex.XB movb $0x30,-0x1(%r11)
-    6635:	39 de                	cmp    %ebx,%esi
-    6637:	75 f7                	jne    6630 <printk+0x182>
-    6639:	8d 51 ff             	lea    -0x1(%rcx),%edx
-    663c:	85 c9                	test   %ecx,%ecx
-    663e:	7e 16                	jle    6656 <printk+0x1a8>
-    6640:	89 de                	mov    %ebx,%esi
-    6642:	89 c7                	mov    %eax,%edi
-    6644:	46 8a 44 14 18       	mov    0x18(%rsp,%r10,1),%r8b
-    6649:	88 46 ff             	mov    %al,-0x1(%rsi)
-    664c:	4a 83 fa ff          	rex.WX cmp $0xffffffffffffffff,%rdx
-    6650:	75 f2                	jne    6644 <printk+0x196>
-    6652:	89 f8                	mov    %edi,%eax
-    6654:	01 cb                	add    %ecx,%ebx
-    6656:	85 c0                	test   %eax,%eax
-    6658:	0f 8e 89 00 00 00    	jle    66e7 <printk+0x239>
-    665e:	01 d8                	add    %ebx,%eax
-    6660:	43 c6 43 ff 20       	rex.XB movb $0x20,-0x1(%r11)
-    6665:	39 c3                	cmp    %eax,%ebx
-    6667:	75 f7                	jne    6660 <printk+0x1b2>
-    6669:	8b 7c 24 3c          	mov    0x3c(%rsp),%edi
-    666d:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # 6688 <printk+0x1da>
-    6674:	75 78                	jne    66ee <printk+0x240>
-    6676:	83 c4 4c             	add    $0x4c,%esp
-    6679:	5b                   	pop    %rbx
-    667a:	5e                   	pop    %rsi
-    667b:	5f                   	pop    %rdi
-    667c:	5d                   	pop    %rbp
-    667d:	c3                   	retq   
-    667e:	83 6c 24 60 02       	subl   $0x2,0x60(%rsp)
-    6683:	e9 0d ff ff ff       	jmpq   6595 <printk+0xe7>
-    6688:	ff 4c 24 60          	decl   0x60(%rsp)
-    668c:	e9 04 ff ff ff       	jmpq   6595 <printk+0xe7>
-    6691:	b9 00 00 00 00       	mov    $0x0,%ecx
-    6696:	89 f8                	mov    %edi,%eax
-    6698:	ba 00 00 00 00       	mov    $0x0,%edx
-    669d:	f7 f5                	div    %ebp
-    669f:	89 c7                	mov    %eax,%edi
-    66a1:	41 8a 14 16          	mov    (%r14,%rdx,1),%dl
-    66a5:	88 54 24 0d          	mov    %dl,0xd(%rsp)
-    66a9:	88 54 0c 17          	mov    %dl,0x17(%rsp,%rcx,1)
-    66ad:	85 c0                	test   %eax,%eax
-    66af:	75 e5                	jne    6696 <printk+0x1e8>
-    66b1:	e9 f1 fe ff ff       	jmpq   65a7 <printk+0xf9>
-    66b6:	89 d0                	mov    %edx,%eax
-    66b8:	e9 1e ff ff ff       	jmpq   65db <printk+0x12d>
-    66bd:	c6 03 30             	movb   $0x30,(%rbx)
-    66c0:	8d 5b 01             	lea    0x1(%rbx),%ebx
-    66c3:	e9 39 ff ff ff       	jmpq   6601 <printk+0x153>
-    66c8:	c6 03 30             	movb   $0x30,(%rbx)
-    66cb:	8a 56 21             	mov    0x21(%rsi),%dl
-    66ce:	88 53 01             	mov    %dl,0x1(%rbx)
-    66d1:	8d 5b 02             	lea    0x2(%rbx),%ebx
-    66d4:	e9 28 ff ff ff       	jmpq   6601 <printk+0x153>
-    66d9:	89 d0                	mov    %edx,%eax
-    66db:	e9 46 ff ff ff       	jmpq   6626 <printk+0x178>
-    66e0:	b8 00 00 00 00       	mov    $0x0,%eax
-    66e5:	eb 82                	jmp    6669 <printk+0x1bb>
-    66e7:	89 d8                	mov    %ebx,%eax
-    66e9:	e9 7b ff ff ff       	jmpq   6669 <printk+0x1bb>
-    66ee:	e8 b3 fd ff ff       	callq  64a6 <__stack_chk_fail>
-
-00000000000066f3 <vsprintf>:
-    66f3:	55                   	push   %rbp
-    66f4:	57                   	push   %rdi
-    66f5:	56                   	push   %rsi
-    66f6:	53                   	push   %rbx
-    66f7:	83 ec 1c             	sub    $0x1c,%esp
-    66fa:	8b 44 24 34          	mov    0x34(%rsp),%eax
-    66fe:	8b 7c 24 38          	mov    0x38(%rsp),%edi
-    6702:	8a 10                	mov    (%rax),%dl
-    6704:	84 d2                	test   %dl,%dl
-    6706:	0f 84 2b 03 00 00    	je     6a37 <vsprintf+0x344>
-    670c:	8b 6c 24 30          	mov    0x30(%rsp),%ebp
-    6710:	e9 a1 02 00 00       	jmpq   69b6 <vsprintf+0x2c3>
-    6715:	ba 00 00 00 00       	mov    $0x0,%edx
-    671a:	eb 03                	jmp    671f <vsprintf+0x2c>
-    671c:	83 ca 10             	or     $0x10,%edx
-    671f:	40 8a 18             	mov    (%rax),%bl
-    6722:	8d 4b e0             	lea    -0x20(%rbx),%ecx
-    6725:	80 f9 10             	cmp    $0x10,%cl
-    6728:	77 1e                	ja     6748 <vsprintf+0x55>
-    672a:	0f b6 c9             	movzbl %cl,%ecx
-    672d:	ff 24 8d 48 ed 00 00 	jmpq   *0xed48(,%rcx,4)
-    6734:	83 ca 04             	or     $0x4,%edx
-    6737:	eb e6                	jmp    671f <vsprintf+0x2c>
-    6739:	83 ca 08             	or     $0x8,%edx
-    673c:	eb e1                	jmp    671f <vsprintf+0x2c>
-    673e:	83 ca 20             	or     $0x20,%edx
-    6741:	eb dc                	jmp    671f <vsprintf+0x2c>
-    6743:	83 ca 01             	or     $0x1,%edx
-    6746:	eb d7                	jmp    671f <vsprintf+0x2c>
-    6748:	8d 4b d0             	lea    -0x30(%rbx),%ecx
-    674b:	80 f9 09             	cmp    $0x9,%cl
-    674e:	76 35                	jbe    6785 <vsprintf+0x92>
-    6750:	80 fb 2a             	cmp    $0x2a,%bl
-    6753:	74 58                	je     67ad <vsprintf+0xba>
-    6755:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    675a:	80 38 2e             	cmpb   $0x2e,(%rax)
-    675d:	74 6b                	je     67ca <vsprintf+0xd7>
-    675f:	c7 44 24 08 ff ff ff 	movl   $0xffffffff,0x8(%rsp)
-    6766:	ff 
-    6767:	8a 08                	mov    (%rax),%cl
-    6769:	80 f9 68             	cmp    $0x68,%cl
-    676c:	0f 84 bd 00 00 00    	je     682f <vsprintf+0x13c>
-    6772:	83 e1 df             	and    $0xffffffdf,%ecx
-    6775:	80 f9 4c             	cmp    $0x4c,%cl
-    6778:	0f 84 b1 00 00 00    	je     682f <vsprintf+0x13c>
-    677e:	89 c3                	mov    %eax,%ebx
-    6780:	e9 ad 00 00 00       	jmpq   6832 <vsprintf+0x13f>
-    6785:	8a 08                	mov    (%rax),%cl
-    6787:	8d 59 d0             	lea    -0x30(%rcx),%ebx
-    678a:	80 fb 09             	cmp    $0x9,%bl
-    678d:	77 34                	ja     67c3 <vsprintf+0xd0>
-    678f:	be 00 00 00 00       	mov    $0x0,%esi
-    6794:	40 8d 1c b6          	rex lea (%rsi,%rsi,4),%ebx
-    6798:	01 db                	add    %ebx,%ebx
-    679a:	0f be c9             	movsbl %cl,%ecx
-    679d:	8d 74 0b d0          	lea    -0x30(%rbx,%rcx,1),%esi
-    67a1:	8a 08                	mov    (%rax),%cl
-    67a3:	8d 59 d0             	lea    -0x30(%rcx),%ebx
-    67a6:	80 fb 09             	cmp    $0x9,%bl
-    67a9:	76 e9                	jbe    6794 <vsprintf+0xa1>
-    67ab:	eb ad                	jmp    675a <vsprintf+0x67>
-    67ad:	8d 4f 04             	lea    0x4(%rdi),%ecx
-    67b0:	8b 37                	mov    (%rdi),%esi
-    67b2:	85 f6                	test   %esi,%esi
-    67b4:	78 04                	js     67ba <vsprintf+0xc7>
-    67b6:	89 cf                	mov    %ecx,%edi
-    67b8:	eb a0                	jmp    675a <vsprintf+0x67>
-    67ba:	f7 de                	neg    %esi
-    67bc:	83 ca 10             	or     $0x10,%edx
-    67bf:	89 cf                	mov    %ecx,%edi
-    67c1:	eb 97                	jmp    675a <vsprintf+0x67>
-    67c3:	be 00 00 00 00       	mov    $0x0,%esi
-    67c8:	eb 90                	jmp    675a <vsprintf+0x67>
-    67ca:	8d 48 01             	lea    0x1(%rax),%ecx
-    67cd:	8a 40 01             	mov    0x1(%rax),%al
-    67d0:	8d 58 d0             	lea    -0x30(%rax),%ebx
-    67d3:	80 fb 09             	cmp    $0x9,%bl
-    67d6:	76 13                	jbe    67eb <vsprintf+0xf8>
-    67d8:	3c 2a                	cmp    $0x2a,%al
-    67da:	74 42                	je     681e <vsprintf+0x12b>
-    67dc:	89 c8                	mov    %ecx,%eax
-    67de:	c7 44 24 08 00 00 00 	movl   $0x0,0x8(%rsp)
-    67e5:	00 
-    67e6:	e9 7c ff ff ff       	jmpq   6767 <vsprintf+0x74>
-    67eb:	bb 00 00 00 00       	mov    $0x0,%ebx
-    67f0:	89 54 24 08          	mov    %edx,0x8(%rsp)
-    67f4:	41 8d 14 9b          	lea    (%r11,%rbx,4),%edx
-    67f8:	01 d2                	add    %edx,%edx
-    67fa:	0f be c0             	movsbl %al,%eax
-    67fd:	8d 5c 02 d0          	lea    -0x30(%rdx,%rax,1),%ebx
-    6801:	8a 01                	mov    (%rcx),%al
-    6803:	8d 50 d0             	lea    -0x30(%rax),%edx
-    6806:	80 fa 09             	cmp    $0x9,%dl
-    6809:	76 e9                	jbe    67f4 <vsprintf+0x101>
-    680b:	8b 54 24 08          	mov    0x8(%rsp),%edx
-    680f:	89 5c 24 08          	mov    %ebx,0x8(%rsp)
-    6813:	85 db                	test   %ebx,%ebx
-    6815:	78 0e                	js     6825 <vsprintf+0x132>
-    6817:	89 c8                	mov    %ecx,%eax
-    6819:	e9 49 ff ff ff       	jmpq   6767 <vsprintf+0x74>
-    681e:	8b 1f                	mov    (%rdi),%ebx
-    6820:	8d 7f 04             	lea    0x4(%rdi),%edi
-    6823:	eb ea                	jmp    680f <vsprintf+0x11c>
-    6825:	c7 44 24 08 00 00 00 	movl   $0x0,0x8(%rsp)
-    682c:	00 
-    682d:	eb e8                	jmp    6817 <vsprintf+0x124>
-    682f:	8d 58 01             	lea    0x1(%rax),%ebx
-    6832:	8a 0b                	mov    (%rbx),%cl
-    6834:	8d 41 a8             	lea    -0x58(%rcx),%eax
-    6837:	3c 20                	cmp    $0x20,%al
-    6839:	0f 87 c5 01 00 00    	ja     6a04 <vsprintf+0x311>
-    683f:	0f b6 c0             	movzbl %al,%eax
-    6842:	ff 24 85 8c ed 00 00 	jmpq   *0xed8c(,%rax,4)
-    6849:	f6 c2 10             	test   $0x10,%dl
-    684c:	74 2c                	je     687a <vsprintf+0x187>
-    684e:	8d 57 04             	lea    0x4(%rdi),%edx
-    6851:	8d 45 01             	lea    0x1(%rbp),%eax
-    6854:	8b 0f                	mov    (%rdi),%ecx
-    6856:	88 4d 00             	mov    %cl,0x0(%rbp)
-    6859:	8d 4e ff             	lea    -0x1(%rsi),%ecx
-    685c:	85 c9                	test   %ecx,%ecx
-    685e:	0f 8e c1 01 00 00    	jle    6a25 <vsprintf+0x332>
-    6864:	89 f1                	mov    %esi,%ecx
-    6866:	01 ee                	add    %ebp,%esi
-    6868:	40 c6 40 ff 20       	rex movb $0x20,-0x1(%rax)
-    686d:	39 c6                	cmp    %eax,%esi
-    686f:	75 f7                	jne    6868 <vsprintf+0x175>
-    6871:	01 cd                	add    %ecx,%ebp
-    6873:	89 d7                	mov    %edx,%edi
-    6875:	e9 2e 01 00 00       	jmpq   69a8 <vsprintf+0x2b5>
-    687a:	8d 46 ff             	lea    -0x1(%rsi),%eax
-    687d:	85 c0                	test   %eax,%eax
-    687f:	7e 14                	jle    6895 <vsprintf+0x1a2>
-    6881:	8d 44 35 ff          	lea    -0x1(%rbp,%rsi,1),%eax
-    6885:	45 c6 45 ff 20       	rex.RB movb $0x20,-0x1(%r13)
-    688a:	39 e8                	cmp    %ebp,%eax
-    688c:	75 f7                	jne    6885 <vsprintf+0x192>
-    688e:	be 00 00 00 00       	mov    $0x0,%esi
-    6893:	eb b9                	jmp    684e <vsprintf+0x15b>
-    6895:	89 c6                	mov    %eax,%esi
-    6897:	eb b5                	jmp    684e <vsprintf+0x15b>
-    6899:	8d 47 04             	lea    0x4(%rdi),%eax
-    689c:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    68a0:	8b 3f                	mov    (%rdi),%edi
-    68a2:	b9 ff ff ff ff       	mov    $0xffffffff,%ecx
-    68a7:	b8 00 00 00 00       	mov    $0x0,%eax
-    68ac:	fc                   	cld    
-    68ad:	f2 ae                	repnz scas %es:(%rdi),%al
-    68af:	f7 d1                	not    %ecx
-    68b1:	49 8b 44 24 08       	mov    0x8(%r12),%rax
-    68b6:	85 c0                	test   %eax,%eax
-    68b8:	78 06                	js     68c0 <vsprintf+0x1cd>
-    68ba:	39 c1                	cmp    %eax,%ecx
-    68bc:	7e 02                	jle    68c0 <vsprintf+0x1cd>
-    68be:	89 c1                	mov    %eax,%ecx
-    68c0:	f6 c2 10             	test   $0x10,%dl
-    68c3:	74 37                	je     68fc <vsprintf+0x209>
-    68c5:	85 c9                	test   %ecx,%ecx
-    68c7:	7e 13                	jle    68dc <vsprintf+0x1e9>
-    68c9:	b8 00 00 00 00       	mov    $0x0,%eax
-    68ce:	8a 14 07             	mov    (%rdi,%rax,1),%dl
-    68d1:	88 54 05 00          	mov    %dl,0x0(%rbp,%rax,1)
-    68d5:	40 39 c1             	rex cmp %eax,%ecx
-    68d8:	75 f4                	jne    68ce <vsprintf+0x1db>
-    68da:	01 c5                	add    %eax,%ebp
-    68dc:	39 f1                	cmp    %esi,%ecx
-    68de:	0f 8d 4a 01 00 00    	jge    6a2e <vsprintf+0x33b>
-    68e4:	29 ce                	sub    %ecx,%esi
-    68e6:	8d 44 35 00          	lea    0x0(%rbp,%rsi,1),%eax
-    68ea:	45 c6 45 ff 20       	rex.RB movb $0x20,-0x1(%r13)
-    68ef:	39 c5                	cmp    %eax,%ebp
-    68f1:	75 f7                	jne    68ea <vsprintf+0x1f7>
-    68f3:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    68f7:	e9 ac 00 00 00       	jmpq   69a8 <vsprintf+0x2b5>
-    68fc:	8d 46 ff             	lea    -0x1(%rsi),%eax
-    68ff:	39 f1                	cmp    %esi,%ecx
-    6901:	7d 16                	jge    6919 <vsprintf+0x226>
-    6903:	89 c8                	mov    %ecx,%eax
-    6905:	29 ce                	sub    %ecx,%esi
-    6907:	8d 54 35 00          	lea    0x0(%rbp,%rsi,1),%edx
-    690b:	45 c6 45 ff 20       	rex.RB movb $0x20,-0x1(%r13)
-    6910:	39 d5                	cmp    %edx,%ebp
-    6912:	75 f7                	jne    690b <vsprintf+0x218>
-    6914:	8d 70 ff             	lea    -0x1(%rax),%esi
-    6917:	eb ac                	jmp    68c5 <vsprintf+0x1d2>
-    6919:	89 c6                	mov    %eax,%esi
-    691b:	eb a8                	jmp    68c5 <vsprintf+0x1d2>
-    691d:	8d 47 04             	lea    0x4(%rdi),%eax
-    6920:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    6924:	83 ec 04             	sub    $0x4,%esp
-    6927:	52                   	push   %rdx
-    6928:	ff 74 24 10          	pushq  0x10(%rsp)
-    692c:	56                   	push   %rsi
-    692d:	b9 08 00 00 00       	mov    $0x8,%ecx
-    6932:	8b 17                	mov    (%rdi),%edx
-    6934:	89 e8                	mov    %ebp,%eax
-    6936:	e8 ab fb ff ff       	callq  64e6 <printk+0x38>
-    693b:	89 c5                	mov    %eax,%ebp
-    693d:	83 c4 10             	add    $0x10,%esp
-    6940:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    6944:	eb 62                	jmp    69a8 <vsprintf+0x2b5>
-    6946:	83 fe ff             	cmp    $0xffffffff,%esi
-    6949:	74 29                	je     6974 <vsprintf+0x281>
-    694b:	8d 47 04             	lea    0x4(%rdi),%eax
-    694e:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    6952:	83 ec 04             	sub    $0x4,%esp
-    6955:	52                   	push   %rdx
-    6956:	ff 74 24 10          	pushq  0x10(%rsp)
-    695a:	56                   	push   %rsi
-    695b:	b9 10 00 00 00       	mov    $0x10,%ecx
-    6960:	8b 17                	mov    (%rdi),%edx
-    6962:	89 e8                	mov    %ebp,%eax
-    6964:	e8 7d fb ff ff       	callq  64e6 <printk+0x38>
-    6969:	89 c5                	mov    %eax,%ebp
-    696b:	83 c4 10             	add    $0x10,%esp
-    696e:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    6972:	eb 34                	jmp    69a8 <vsprintf+0x2b5>
-    6974:	83 ca 01             	or     $0x1,%edx
-    6977:	be 08 00 00 00       	mov    $0x8,%esi
-    697c:	eb cd                	jmp    694b <vsprintf+0x258>
-    697e:	83 ca 40             	or     $0x40,%edx
-    6981:	8d 47 04             	lea    0x4(%rdi),%eax
-    6984:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    6988:	83 ec 04             	sub    $0x4,%esp
-    698b:	52                   	push   %rdx
-    698c:	ff 74 24 10          	pushq  0x10(%rsp)
-    6990:	56                   	push   %rsi
-    6991:	b9 10 00 00 00       	mov    $0x10,%ecx
-    6996:	8b 17                	mov    (%rdi),%edx
-    6998:	89 e8                	mov    %ebp,%eax
-    699a:	e8 47 fb ff ff       	callq  64e6 <printk+0x38>
-    699f:	89 c5                	mov    %eax,%ebp
-    69a1:	83 c4 10             	add    $0x10,%esp
-    69a4:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    69a8:	8d 43 01             	lea    0x1(%rbx),%eax
-    69ab:	8a 53 01             	mov    0x1(%rbx),%dl
-    69ae:	84 d2                	test   %dl,%dl
-    69b0:	0f 84 85 00 00 00    	je     6a3b <vsprintf+0x348>
-    69b6:	80 fa 25             	cmp    $0x25,%dl
-    69b9:	0f 84 56 fd ff ff    	je     6715 <vsprintf+0x22>
-    69bf:	88 55 00             	mov    %dl,0x0(%rbp)
-    69c2:	89 c3                	mov    %eax,%ebx
-    69c4:	8d 6d 01             	lea    0x1(%rbp),%ebp
-    69c7:	eb df                	jmp    69a8 <vsprintf+0x2b5>
-    69c9:	83 ca 02             	or     $0x2,%edx
-    69cc:	8d 47 04             	lea    0x4(%rdi),%eax
-    69cf:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    69d3:	83 ec 04             	sub    $0x4,%esp
-    69d6:	52                   	push   %rdx
-    69d7:	ff 74 24 10          	pushq  0x10(%rsp)
-    69db:	56                   	push   %rsi
-    69dc:	b9 0a 00 00 00       	mov    $0xa,%ecx
-    69e1:	8b 17                	mov    (%rdi),%edx
-    69e3:	89 e8                	mov    %ebp,%eax
-    69e5:	e8 fc fa ff ff       	callq  64e6 <printk+0x38>
-    69ea:	89 c5                	mov    %eax,%ebp
-    69ec:	83 c4 10             	add    $0x10,%esp
-    69ef:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    69f3:	eb b3                	jmp    69a8 <vsprintf+0x2b5>
-    69f5:	8b 07                	mov    (%rdi),%eax
-    69f7:	89 ea                	mov    %ebp,%edx
-    69f9:	2b 54 24 30          	sub    0x30(%rsp),%edx
-    69fd:	89 10                	mov    %edx,(%rax)
-    69ff:	8d 7f 04             	lea    0x4(%rdi),%edi
-    6a02:	eb a4                	jmp    69a8 <vsprintf+0x2b5>
-    6a04:	80 f9 25             	cmp    $0x25,%cl
-    6a07:	74 14                	je     6a1d <vsprintf+0x32a>
-    6a09:	8d 45 01             	lea    0x1(%rbp),%eax
-    6a0c:	c6 45 00 25          	movb   $0x25,0x0(%rbp)
-    6a10:	8a 0b                	mov    (%rbx),%cl
-    6a12:	84 c9                	test   %cl,%cl
-    6a14:	75 05                	jne    6a1b <vsprintf+0x328>
-    6a16:	4b 89 c5             	rex.WXB mov %rax,%r13
-    6a19:	eb 8d                	jmp    69a8 <vsprintf+0x2b5>
-    6a1b:	89 c5                	mov    %eax,%ebp
-    6a1d:	88 4d 00             	mov    %cl,0x0(%rbp)
-    6a20:	8d 6d 01             	lea    0x1(%rbp),%ebp
-    6a23:	eb 83                	jmp    69a8 <vsprintf+0x2b5>
-    6a25:	89 c5                	mov    %eax,%ebp
-    6a27:	89 d7                	mov    %edx,%edi
-    6a29:	e9 7a ff ff ff       	jmpq   69a8 <vsprintf+0x2b5>
-    6a2e:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    6a32:	e9 71 ff ff ff       	jmpq   69a8 <vsprintf+0x2b5>
-    6a37:	8b 6c 24 30          	mov    0x30(%rsp),%ebp
-    6a3b:	c6 45 00 00          	movb   $0x0,0x0(%rbp)
-    6a3f:	89 e8                	mov    %ebp,%eax
-    6a41:	2b 44 24 30          	sub    0x30(%rsp),%eax
-    6a45:	83 c4 1c             	add    $0x1c,%esp
-    6a48:	5b                   	pop    %rbx
-    6a49:	5e                   	pop    %rsi
-    6a4a:	5f                   	pop    %rdi
-    6a4b:	5d                   	pop    %rbp
-    6a4c:	c3                   	retq   
-
-0000000000006a4d <tty_init>:
-    6a4d:	83 ec 0c             	sub    $0xc,%esp
-    6a50:	e8 4c 2f 00 00       	callq  99a1 <rs_init>
-    6a55:	e8 04 14 00 00       	callq  7e5e <con_init>
-    6a5a:	83 c4 0c             	add    $0xc,%esp
-    6a5d:	c3                   	retq   
-
-0000000000006a5e <tty_intr>:
-    6a5e:	57                   	push   %rdi
-    6a5f:	56                   	push   %rsi
-    6a60:	53                   	push   %rbx
-    6a61:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    6a65:	83 7b 24 00          	cmpl   $0x0,0x24(%rbx)
-    6a69:	7e 37                	jle    6aa2 <tty_intr+0x44>
-    6a6b:	8b 44 24 14          	mov    0x14(%rsp),%eax
-    6a6f:	8d 48 ff             	lea    -0x1(%rax),%ecx
-    6a72:	be 01 00 00 00       	mov    $0x1,%esi
-    6a77:	d3 e6                	shl    %cl,%esi
-    6a79:	b8 00 2c 01 00       	mov    $0x12c00,%eax
-    6a7e:	b9 00 2d 01 00       	mov    $0x12d00,%ecx
-    6a83:	eb 07                	jmp    6a8c <tty_intr+0x2e>
-    6a85:	83 c0 04             	add    $0x4,%eax
-    6a88:	39 c8                	cmp    %ecx,%eax
-    6a8a:	74 16                	je     6aa2 <tty_intr+0x44>
-    6a8c:	8b 10                	mov    (%rax),%edx
-    6a8e:	85 d2                	test   %edx,%edx
-    6a90:	74 f3                	je     6a85 <tty_intr+0x27>
-    6a92:	8b 7b 24             	mov    0x24(%rbx),%edi
-    6a95:	39 ba b0 00 00 00    	cmp    %edi,0xb0(%rdx)
-    6a9b:	75 e8                	jne    6a85 <tty_intr+0x27>
-    6a9d:	09 72 0c             	or     %esi,0xc(%rdx)
-    6aa0:	eb e3                	jmp    6a85 <tty_intr+0x27>
-    6aa2:	5b                   	pop    %rbx
-    6aa3:	5e                   	pop    %rsi
-    6aa4:	5f                   	pop    %rdi
-    6aa5:	c3                   	retq   
-
-0000000000006aa6 <copy_to_cooked>:
-    6aa6:	55                   	push   %rbp
-    6aa7:	57                   	push   %rdi
-    6aa8:	56                   	push   %rsi
-    6aa9:	53                   	push   %rbx
-    6aaa:	83 ec 0c             	sub    $0xc,%esp
-    6aad:	8b 74 24 20          	mov    0x20(%rsp),%esi
-    6ab1:	e9 69 01 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6ab6:	8b 06                	mov    (%rsi),%eax
-    6ab8:	f6 c4 01             	test   $0x1,%ah
-    6abb:	75 1d                	jne    6ada <copy_to_cooked+0x34>
-    6abd:	a8 80                	test   $0x80,%al
-    6abf:	0f 84 9e 01 00 00    	je     6c63 <copy_to_cooked+0x1bd>
-    6ac5:	e9 55 01 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6aca:	f6 06 40             	testb  $0x40,(%rsi)
-    6acd:	0f 84 90 01 00 00    	je     6c63 <copy_to_cooked+0x1bd>
-    6ad3:	b3 0d                	mov    $0xd,%bl
-    6ad5:	e9 89 01 00 00       	jmpq   6c63 <copy_to_cooked+0x1bd>
-    6ada:	b3 0a                	mov    $0xa,%bl
-    6adc:	e9 82 01 00 00       	jmpq   6c63 <copy_to_cooked+0x1bd>
-    6ae1:	39 d1                	cmp    %edx,%ecx
-    6ae3:	0f 84 36 01 00 00    	je     6c1f <copy_to_cooked+0x179>
-    6ae9:	4a 81 e2 ff 03 00 00 	rex.WX and $0x3ff,%rdx
-    6af0:	8a 8c 16 60 08 00 00 	mov    0x860(%rsi,%rdx,1),%cl
-    6af7:	80 f9 0a             	cmp    $0xa,%cl
-    6afa:	0f 84 1f 01 00 00    	je     6c1f <copy_to_cooked+0x179>
-    6b00:	0f be d1             	movsbl %cl,%edx
-    6b03:	0f b6 5e 15          	movzbl 0x15(%rsi),%ebx
-    6b07:	39 da                	cmp    %ebx,%edx
-    6b09:	0f 84 10 01 00 00    	je     6c1f <copy_to_cooked+0x179>
-    6b0f:	a8 08                	test   $0x8,%al
-    6b11:	74 43                	je     6b56 <copy_to_cooked+0xb0>
-    6b13:	80 f9 1f             	cmp    $0x1f,%cl
-    6b16:	7f 1a                	jg     6b32 <copy_to_cooked+0x8c>
-    6b18:	8b 86 44 04 00 00    	mov    0x444(%rsi),%eax
-    6b1e:	c6 84 06 50 04 00 00 	movb   $0x7f,0x450(%rsi,%rax,1)
-    6b25:	7f 
-    6b26:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6b2c:	89 86 44 04 00 00    	mov    %eax,0x444(%rsi)
-    6b32:	8b 86 44 04 00 00    	mov    0x444(%rsi),%eax
-    6b38:	c6 84 06 50 04 00 00 	movb   $0x7f,0x450(%rsi,%rax,1)
-    6b3f:	7f 
-    6b40:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6b46:	89 86 44 04 00 00    	mov    %eax,0x444(%rsi)
-    6b4c:	83 ec 0c             	sub    $0xc,%esp
-    6b4f:	56                   	push   %rsi
-    6b50:	ff 56 2c             	callq  *0x2c(%rsi)
-    6b53:	83 c4 10             	add    $0x10,%esp
-    6b56:	8b 86 54 08 00 00    	mov    0x854(%rsi),%eax
-    6b5c:	48 25 ff 03 00 00    	and    $0x3ff,%rax
-    6b62:	89 86 54 08 00 00    	mov    %eax,0x854(%rsi)
-    6b68:	e9 b2 00 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6b6d:	c7 46 28 01 00 00 00 	movl   $0x1,0x28(%rsi)
-    6b74:	e9 a6 00 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6b79:	c7 46 28 00 00 00 00 	movl   $0x0,0x28(%rsi)
-    6b80:	e9 9a 00 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6b85:	83 ec 08             	sub    $0x8,%esp
-    6b88:	6a 02                	pushq  $0x2
-    6b8a:	56                   	push   %rsi
-    6b8b:	e8 ce fe ff ff       	callq  6a5e <tty_intr>
-    6b90:	83 c4 10             	add    $0x10,%esp
-    6b93:	e9 87 00 00 00       	jmpq   6c1f <copy_to_cooked+0x179>
-    6b98:	8b 86 44 04 00 00    	mov    0x444(%rsi),%eax
-    6b9e:	88 9c 06 50 04 00 00 	mov    %bl,0x450(%rsi,%rax,1)
-    6ba5:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6bab:	89 86 44 04 00 00    	mov    %eax,0x444(%rsi)
-    6bb1:	eb 49                	jmp    6bfc <copy_to_cooked+0x156>
-    6bb3:	83 ec 0c             	sub    $0xc,%esp
-    6bb6:	81 c6 5c 08 00 00    	add    $0x85c,%esi
-    6bbc:	56                   	push   %rsi
-    6bbd:	e8 62 eb ff ff       	callq  5724 <wake_up>
-    6bc2:	83 c4 1c             	add    $0x1c,%esp
-    6bc5:	5b                   	pop    %rbx
-    6bc6:	5e                   	pop    %rsi
-    6bc7:	5f                   	pop    %rdi
-    6bc8:	5d                   	pop    %rbp
-    6bc9:	c3                   	retq   
-    6bca:	ff 86 50 08 00 00    	incl   0x850(%rsi)
-    6bd0:	a8 08                	test   $0x8,%al
-    6bd2:	74 32                	je     6c06 <copy_to_cooked+0x160>
-    6bd4:	8b 86 44 04 00 00    	mov    0x444(%rsi),%eax
-    6bda:	c6 84 06 50 04 00 00 	movb   $0xa,0x450(%rsi,%rax,1)
-    6be1:	0a 
-    6be2:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6be8:	c6 84 06 50 04 00 00 	movb   $0xd,0x450(%rsi,%rax,1)
-    6bef:	0d 
-    6bf0:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6bf6:	89 86 44 04 00 00    	mov    %eax,0x444(%rsi)
-    6bfc:	83 ec 0c             	sub    $0xc,%esp
-    6bff:	56                   	push   %rsi
-    6c00:	ff 56 2c             	callq  *0x2c(%rsi)
-    6c03:	83 c4 10             	add    $0x10,%esp
-    6c06:	8b 86 54 08 00 00    	mov    0x854(%rsi),%eax
-    6c0c:	88 9c 06 60 08 00 00 	mov    %bl,0x860(%rsi,%rax,1)
-    6c13:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6c19:	89 86 54 08 00 00    	mov    %eax,0x854(%rsi)
-    6c1f:	8b 46 38             	mov    0x38(%rsi),%eax
-    6c22:	39 46 34             	cmp    %eax,0x34(%rsi)
-    6c25:	74 8c                	je     6bb3 <copy_to_cooked+0x10d>
-    6c27:	8b 8e 58 08 00 00    	mov    0x858(%rsi),%ecx
-    6c2d:	8b 96 54 08 00 00    	mov    0x854(%rsi),%edx
-    6c33:	8d 59 ff             	lea    -0x1(%rcx),%ebx
-    6c36:	29 d3                	sub    %edx,%ebx
-    6c38:	f7 c3 ff 03 00 00    	test   $0x3ff,%ebx
-    6c3e:	0f 84 6f ff ff ff    	je     6bb3 <copy_to_cooked+0x10d>
-    6c44:	8a 5c 06 40          	mov    0x40(%rsi,%rax,1),%bl
-    6c48:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6c4e:	89 46 38             	mov    %eax,0x38(%rsi)
-    6c51:	80 fb 0d             	cmp    $0xd,%bl
-    6c54:	0f 84 5c fe ff ff    	je     6ab6 <copy_to_cooked+0x10>
-    6c5a:	80 fb 0a             	cmp    $0xa,%bl
-    6c5d:	0f 84 67 fe ff ff    	je     6aca <copy_to_cooked+0x24>
-    6c63:	f7 06 00 02 00 00    	testl  $0x200,(%rsi)
-    6c69:	74 0f                	je     6c7a <copy_to_cooked+0x1d4>
-    6c6b:	0f be c3             	movsbl %bl,%eax
-    6c6e:	f6 80 e1 63 01 00 01 	testb  $0x1,0x163e1(%rax)
-    6c75:	74 03                	je     6c7a <copy_to_cooked+0x1d4>
-    6c77:	83 eb 5e             	sub    $0x5e,%ebx
-    6c7a:	8b 46 0c             	mov    0xc(%rsi),%eax
-    6c7d:	a8 02                	test   $0x2,%al
-    6c7f:	74 27                	je     6ca8 <copy_to_cooked+0x202>
-    6c81:	0f be fb             	movsbl %bl,%edi
-    6c84:	0f b6 6e 13          	movzbl 0x13(%rsi),%ebp
-    6c88:	39 ef                	cmp    %ebp,%edi
-    6c8a:	0f 84 51 fe ff ff    	je     6ae1 <copy_to_cooked+0x3b>
-    6c90:	0f b6 56 1a          	movzbl 0x1a(%rsi),%edx
-    6c94:	39 d7                	cmp    %edx,%edi
-    6c96:	0f 84 d1 fe ff ff    	je     6b6d <copy_to_cooked+0xc7>
-    6c9c:	0f b6 56 19          	movzbl 0x19(%rsi),%edx
-    6ca0:	39 d7                	cmp    %edx,%edi
-    6ca2:	0f 84 d1 fe ff ff    	je     6b79 <copy_to_cooked+0xd3>
-    6ca8:	a8 01                	test   $0x1,%al
-    6caa:	75 0f                	jne    6cbb <copy_to_cooked+0x215>
-    6cac:	0f be d3             	movsbl %bl,%edx
-    6caf:	0f b6 4e 11          	movzbl 0x11(%rsi),%ecx
-    6cb3:	39 ca                	cmp    %ecx,%edx
-    6cb5:	0f 84 ca fe ff ff    	je     6b85 <copy_to_cooked+0xdf>
-    6cbb:	80 fb 0a             	cmp    $0xa,%bl
-    6cbe:	0f 84 06 ff ff ff    	je     6bca <copy_to_cooked+0x124>
-    6cc4:	0f be d3             	movsbl %bl,%edx
-    6cc7:	0f b6 4e 15          	movzbl 0x15(%rsi),%ecx
-    6ccb:	39 ca                	cmp    %ecx,%edx
-    6ccd:	74 49                	je     6d18 <copy_to_cooked+0x272>
-    6ccf:	a8 08                	test   $0x8,%al
-    6cd1:	0f 84 2f ff ff ff    	je     6c06 <copy_to_cooked+0x160>
-    6cd7:	80 fb 1f             	cmp    $0x1f,%bl
-    6cda:	0f 8f b8 fe ff ff    	jg     6b98 <copy_to_cooked+0xf2>
-    6ce0:	f6 c4 02             	test   $0x2,%ah
-    6ce3:	0f 84 13 ff ff ff    	je     6bfc <copy_to_cooked+0x156>
-    6ce9:	8b 86 44 04 00 00    	mov    0x444(%rsi),%eax
-    6cef:	c6 84 06 50 04 00 00 	movb   $0x5e,0x450(%rsi,%rax,1)
-    6cf6:	5e 
-    6cf7:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6cfd:	8d 53 40             	lea    0x40(%rbx),%edx
-    6d00:	88 94 06 50 04 00 00 	mov    %dl,0x450(%rsi,%rax,1)
-    6d07:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    6d0d:	89 86 44 04 00 00    	mov    %eax,0x444(%rsi)
-    6d13:	e9 e4 fe ff ff       	jmpq   6bfc <copy_to_cooked+0x156>
-    6d18:	ff 86 50 08 00 00    	incl   0x850(%rsi)
-    6d1e:	a8 08                	test   $0x8,%al
-    6d20:	75 b5                	jne    6cd7 <copy_to_cooked+0x231>
-    6d22:	e9 df fe ff ff       	jmpq   6c06 <copy_to_cooked+0x160>
-
-0000000000006d27 <tty_read>:
-    6d27:	55                   	push   %rbp
-    6d28:	57                   	push   %rdi
-    6d29:	56                   	push   %rsi
-    6d2a:	53                   	push   %rbx
-    6d2b:	83 ec 3c             	sub    $0x3c,%esp
-    6d2e:	8b 44 24 50          	mov    0x50(%rsp),%eax
-    6d32:	8b 7c 24 58          	mov    0x58(%rsp),%edi
-    6d36:	83 f8 02             	cmp    $0x2,%eax
-    6d39:	0f 87 5a 02 00 00    	ja     6f99 <tty_read+0x272>
-    6d3f:	85 ff                	test   %edi,%edi
-    6d41:	0f 88 5c 02 00 00    	js     6fa3 <tty_read+0x27c>
-    6d47:	8b 1d 00 2d 01 00    	mov    0x12d00(%rip),%ebx        # 19a4d <hash_table+0x46d>
-    6d4d:	8b b3 c8 00 00 00    	mov    0xc8(%rbx),%esi
-    6d53:	89 f5                	mov    %esi,%ebp
-    6d55:	89 74 24 2c          	mov    %esi,0x2c(%rsp)
-    6d59:	8d 14 00             	lea    (%rax,%rax,1),%edx
-    6d5c:	01 c2                	add    %eax,%edx
-    6d5e:	89 d1                	mov    %edx,%ecx
-    6d60:	c1 e1 05             	shl    $0x5,%ecx
-    6d63:	01 ca                	add    %ecx,%edx
-    6d65:	c1 e2 05             	shl    $0x5,%edx
-    6d68:	8d 8a 60 3e 01 00    	lea    0x13e60(%rdx),%ecx
-    6d6e:	0f b6 92 76 3e 01 00 	movzbl 0x13e76(%rdx),%edx
-    6d75:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    6d78:	01 d2                	add    %edx,%edx
-    6d7a:	89 54 24 20          	mov    %edx,0x20(%rsp)
-    6d7e:	0f b6 49 17          	movzbl 0x17(%rcx),%ecx
-    6d82:	85 d2                	test   %edx,%edx
-    6d84:	74 31                	je     6db7 <tty_read+0x90>
-    6d86:	85 c9                	test   %ecx,%ecx
-    6d88:	75 73                	jne    6dfd <tty_read+0xd6>
-    6d8a:	85 f6                	test   %esi,%esi
-    6d8c:	74 0c                	je     6d9a <tty_read+0x73>
-    6d8e:	8b 35 08 69 01 00    	mov    0x16908(%rip),%esi        # 1d69c <end+0x3494>
-    6d94:	01 d6                	add    %edx,%esi
-    6d96:	39 ee                	cmp    %ebp,%esi
-    6d98:	7d 6d                	jge    6e07 <tty_read+0xe0>
-    6d9a:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 1d6a8 <end+0x34a0>
-    6da0:	01 ca                	add    %ecx,%edx
-    6da2:	89 93 c8 00 00 00    	mov    %edx,0xc8(%rbx)
-    6da8:	c7 44 24 14 01 00 00 	movl   $0x1,0x14(%rsp)
-    6daf:	00 
-    6db0:	b9 01 00 00 00       	mov    $0x1,%ecx
-    6db5:	eb 04                	jmp    6dbb <tty_read+0x94>
-    6db7:	89 54 24 14          	mov    %edx,0x14(%rsp)
-    6dbb:	89 4c 24 24          	mov    %ecx,0x24(%rsp)
-    6dbf:	39 f9                	cmp    %edi,%ecx
-    6dc1:	7e 04                	jle    6dc7 <tty_read+0xa0>
-    6dc3:	89 7c 24 24          	mov    %edi,0x24(%rsp)
-    6dc7:	85 ff                	test   %edi,%edi
-    6dc9:	0f 8e c1 01 00 00    	jle    6f90 <tty_read+0x269>
-    6dcf:	8d 14 00             	lea    (%rax,%rax,1),%edx
-    6dd2:	01 c2                	add    %eax,%edx
-    6dd4:	89 d1                	mov    %edx,%ecx
-    6dd6:	c1 e1 05             	shl    $0x5,%ecx
-    6dd9:	01 ca                	add    %ecx,%edx
-    6ddb:	c1 e2 05             	shl    $0x5,%edx
-    6dde:	8d b2 bc 46 01 00    	lea    0x146bc(%rdx),%esi
-    6de4:	89 74 24 28          	mov    %esi,0x28(%rsp)
-    6de8:	8b 5c 24 54          	mov    0x54(%rsp),%ebx
-    6dec:	8d 14 00             	lea    (%rax,%rax,1),%edx
-    6def:	01 d0                	add    %edx,%eax
-    6df1:	01 c8                	add    %ecx,%eax
-    6df3:	c1 e0 05             	shl    $0x5,%eax
-    6df6:	89 c6                	mov    %eax,%esi
-    6df8:	e9 0f 01 00 00       	jmpq   6f0c <tty_read+0x1e5>
-    6dfd:	c7 44 24 14 00 00 00 	movl   $0x0,0x14(%rsp)
-    6e04:	00 
-    6e05:	eb b4                	jmp    6dbb <tty_read+0x94>
-    6e07:	89 4c 24 14          	mov    %ecx,0x14(%rsp)
-    6e0b:	b9 01 00 00 00       	mov    $0x1,%ecx
-    6e10:	eb a9                	jmp    6dbb <tty_read+0x94>
-    6e12:	80 e4 df             	and    $0xdf,%ah
-    6e15:	89 42 0c             	mov    %eax,0xc(%rdx)
-    6e18:	a1 00 2d 01 00 8b 7c 	movabs 0x2c247c8b00012d00,%eax
-    6e1f:	24 2c 
-    6e21:	89 b8 c8 00 00 00    	mov    %edi,0xc8(%rax)
-    6e27:	83 78 0c 00          	cmpl   $0x0,0xc(%rax)
-    6e2b:	74 0a                	je     6e37 <tty_read+0x110>
-    6e2d:	3b 5c 24 54          	cmp    0x54(%rsp),%ebx
-    6e31:	0f 84 76 01 00 00    	je     6fad <tty_read+0x286>
-    6e37:	89 d8                	mov    %ebx,%eax
-    6e39:	2b 44 24 54          	sub    0x54(%rsp),%eax
-    6e3d:	83 c4 3c             	add    $0x3c,%esp
-    6e40:	5b                   	pop    %rbx
-    6e41:	5e                   	pop    %rsi
-    6e42:	5f                   	pop    %rdi
-    6e43:	5d                   	pop    %rbp
-    6e44:	c3                   	retq   
-    6e45:	fa                   	cli    
-    6e46:	8b 86 b8 46 01 00    	mov    0x146b8(%rsi),%eax
-    6e4c:	39 86 b4 46 01 00    	cmp    %eax,0x146b4(%rsi)
-    6e52:	75 29                	jne    6e7d <tty_read+0x156>
-    6e54:	8b 6c 24 28          	mov    0x28(%rsp),%ebp
-    6e58:	83 ec 0c             	sub    $0xc,%esp
-    6e5b:	55                   	push   %rbp
-    6e5c:	e8 53 e8 ff ff       	callq  56b4 <interruptible_sleep_on>
-    6e61:	83 c4 10             	add    $0x10,%esp
-    6e64:	a1 00 2d 01 00 83 78 	movabs 0xc788300012d00,%eax
-    6e6b:	0c 00 
-    6e6d:	75 0e                	jne    6e7d <tty_read+0x156>
-    6e6f:	8b 86 b8 46 01 00    	mov    0x146b8(%rsi),%eax
-    6e75:	39 86 b4 46 01 00    	cmp    %eax,0x146b4(%rsi)
-    6e7b:	74 db                	je     6e58 <tty_read+0x131>
-    6e7d:	fb                   	sti    
-    6e7e:	e9 81 00 00 00       	jmpq   6f04 <tty_read+0x1dd>
-    6e83:	89 e8                	mov    %ebp,%eax
-    6e85:	2b 44 24 54          	sub    0x54(%rsp),%eax
-    6e89:	eb b2                	jmp    6e3d <tty_read+0x116>
-    6e8b:	8b 74 24 18          	mov    0x18(%rsp),%esi
-    6e8f:	8b 4c 24 20          	mov    0x20(%rsp),%ecx
-    6e93:	85 c9                	test   %ecx,%ecx
-    6e95:	74 49                	je     6ee0 <tty_read+0x1b9>
-    6e97:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    6e9c:	75 5c                	jne    6efa <tty_read+0x1d3>
-    6e9e:	8b 54 24 2c          	mov    0x2c(%rsp),%edx
-    6ea2:	85 d2                	test   %edx,%edx
-    6ea4:	74 1f                	je     6ec5 <tty_read+0x19e>
-    6ea6:	a1 08 69 01 00 01 c8 	movabs 0xd039c80100016908,%eax
-    6ead:	39 d0 
-    6eaf:	7c 14                	jl     6ec5 <tty_read+0x19e>
-    6eb1:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    6eb5:	89 90 c8 00 00 00    	mov    %edx,0xc8(%rax)
-    6ebb:	c7 44 24 14 00 00 00 	movl   $0x0,0x14(%rsp)
-    6ec2:	00 
-    6ec3:	eb 1b                	jmp    6ee0 <tty_read+0x1b9>
-    6ec5:	a1 08 69 01 00 03 44 	movabs 0x2024440300016908,%eax
-    6ecc:	24 20 
-    6ece:	8b 4c 24 1c          	mov    0x1c(%rsp),%ecx
-    6ed2:	89 81 c8 00 00 00    	mov    %eax,0xc8(%rcx)
-    6ed8:	c7 44 24 14 01 00 00 	movl   $0x1,0x14(%rsp)
-    6edf:	00 
-    6ee0:	f6 86 6c 3e 01 00 02 	testb  $0x2,0x13e6c(%rsi)
-    6ee7:	75 11                	jne    6efa <tty_read+0x1d3>
-    6ee9:	89 d8                	mov    %ebx,%eax
-    6eeb:	2b 44 24 54          	sub    0x54(%rsp),%eax
-    6eef:	3b 44 24 24          	cmp    0x24(%rsp),%eax
-    6ef3:	7c 0f                	jl     6f04 <tty_read+0x1dd>
-    6ef5:	e9 1e ff ff ff       	jmpq   6e18 <tty_read+0xf1>
-    6efa:	3b 5c 24 54          	cmp    0x54(%rsp),%ebx
-    6efe:	0f 85 b3 00 00 00    	jne    6fb7 <tty_read+0x290>
-    6f04:	85 ff                	test   %edi,%edi
-    6f06:	0f 8e 0c ff ff ff    	jle    6e18 <tty_read+0xf1>
-    6f0c:	83 7c 24 14 00       	cmpl   $0x0,0x14(%rsp)
-    6f11:	74 12                	je     6f25 <tty_read+0x1fe>
-    6f13:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 19c19 <super_block+0x159>
-    6f19:	8b 42 0c             	mov    0xc(%rdx),%eax
-    6f1c:	f6 c4 20             	test   $0x20,%ah
-    6f1f:	0f 85 ed fe ff ff    	jne    6e12 <tty_read+0xeb>
-    6f25:	a1 00 2d 01 00 89 44 	movabs 0x1c24448900012d00,%eax
-    6f2c:	24 1c 
-    6f2e:	83 78 0c 00          	cmpl   $0x0,0xc(%rax)
-    6f32:	0f 85 e0 fe ff ff    	jne    6e18 <tty_read+0xf1>
-    6f38:	8b 96 b4 46 01 00    	mov    0x146b4(%rsi),%edx
-    6f3e:	89 54 24 0c          	mov    %edx,0xc(%rsp)
-    6f42:	8b 86 b8 46 01 00    	mov    0x146b8(%rsi),%eax
-    6f48:	39 c2                	cmp    %eax,%edx
-    6f4a:	0f 84 f5 fe ff ff    	je     6e45 <tty_read+0x11e>
-    6f50:	8b 8e 6c 3e 01 00    	mov    0x13e6c(%rsi),%ecx
-    6f56:	83 e1 02             	and    $0x2,%ecx
-    6f59:	89 4c 24 10          	mov    %ecx,0x10(%rsp)
-    6f5d:	74 1a                	je     6f79 <tty_read+0x252>
-    6f5f:	83 be b0 46 01 00 00 	cmpl   $0x0,0x146b0(%rsi)
-    6f66:	75 11                	jne    6f79 <tty_read+0x252>
-    6f68:	48 29 d0             	sub    %rdx,%rax
-    6f6b:	25 ff 03 00 00       	and    $0x3ff,%eax
-    6f70:	83 f8 14             	cmp    $0x14,%eax
-    6f73:	0f 87 cc fe ff ff    	ja     6e45 <tty_read+0x11e>
-    6f79:	0f b6 86 75 3e 01 00 	movzbl 0x13e75(%rsi),%eax
-    6f80:	89 dd                	mov    %ebx,%ebp
-    6f82:	8d 96 60 3e 01 00    	lea    0x13e60(%rsi),%edx
-    6f88:	89 74 24 18          	mov    %esi,0x18(%rsp)
-    6f8c:	89 c6                	mov    %eax,%esi
-    6f8e:	eb 67                	jmp    6ff7 <tty_read+0x2d0>
-    6f90:	8b 5c 24 54          	mov    0x54(%rsp),%ebx
-    6f94:	e9 7f fe ff ff       	jmpq   6e18 <tty_read+0xf1>
-    6f99:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    6f9e:	e9 9a fe ff ff       	jmpq   6e3d <tty_read+0x116>
-    6fa3:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    6fa8:	e9 90 fe ff ff       	jmpq   6e3d <tty_read+0x116>
-    6fad:	b8 fc ff ff ff       	mov    $0xfffffffc,%eax
-    6fb2:	e9 86 fe ff ff       	jmpq   6e3d <tty_read+0x116>
-    6fb7:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    6fbb:	8b 7c 24 2c          	mov    0x2c(%rsp),%edi
-    6fbf:	89 b8 c8 00 00 00    	mov    %edi,0xc8(%rax)
-    6fc5:	e9 6d fe ff ff       	jmpq   6e37 <tty_read+0x110>
-    6fca:	ff 8a 50 08 00 00    	decl   0x850(%rdx)
-    6fd0:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    6fd5:	0f 85 a8 fe ff ff    	jne    6e83 <tty_read+0x15c>
-    6fdb:	8d 5d 01             	lea    0x1(%rbp),%ebx
-    6fde:	64 88 4d 00          	mov    %cl,%fs:0x0(%rbp)
-    6fe2:	4f 85 ff             	rex.WRXB test %r15,%r15
-    6fe5:	0f 8e a0 fe ff ff    	jle    6e8b <tty_read+0x164>
-    6feb:	39 44 24 0c          	cmp    %eax,0xc(%rsp)
-    6fef:	0f 84 96 fe ff ff    	je     6e8b <tty_read+0x164>
-    6ff5:	89 dd                	mov    %ebx,%ebp
-    6ff7:	8b 82 58 08 00 00    	mov    0x858(%rdx),%eax
-    6ffd:	8a 8c 10 60 08 00 00 	mov    0x860(%rax,%rdx,1),%cl
-    7004:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    700a:	89 82 58 08 00 00    	mov    %eax,0x858(%rdx)
-    7010:	0f be d9             	movsbl %cl,%ebx
-    7013:	39 f3                	cmp    %esi,%ebx
-    7015:	74 b3                	je     6fca <tty_read+0x2a3>
-    7017:	80 f9 0a             	cmp    $0xa,%cl
-    701a:	75 bf                	jne    6fdb <tty_read+0x2b4>
-    701c:	ff 8a 50 08 00 00    	decl   0x850(%rdx)
-    7022:	39 f3                	cmp    %esi,%ebx
-    7024:	75 b5                	jne    6fdb <tty_read+0x2b4>
-    7026:	eb a8                	jmp    6fd0 <tty_read+0x2a9>
-
-0000000000007028 <tty_write>:
-    7028:	55                   	push   %rbp
-    7029:	57                   	push   %rdi
-    702a:	56                   	push   %rsi
-    702b:	53                   	push   %rbx
-    702c:	83 ec 2c             	sub    $0x2c,%esp
-    702f:	8b 54 24 40          	mov    0x40(%rsp),%edx
-    7033:	8b 5c 24 48          	mov    0x48(%rsp),%ebx
-    7037:	83 fa 02             	cmp    $0x2,%edx
-    703a:	0f 87 04 01 00 00    	ja     7144 <tty_write+0x11c>
-    7040:	85 db                	test   %ebx,%ebx
-    7042:	0f 88 06 01 00 00    	js     714e <tty_write+0x126>
-    7048:	8d 04 12             	lea    (%rdx,%rdx,1),%eax
-    704b:	01 d0                	add    %edx,%eax
-    704d:	89 c2                	mov    %eax,%edx
-    704f:	c1 e2 05             	shl    $0x5,%edx
-    7052:	01 d0                	add    %edx,%eax
-    7054:	c1 e0 05             	shl    $0x5,%eax
-    7057:	8d a8 60 3e 01 00    	lea    0x13e60(%rax),%ebp
-    705d:	85 db                	test   %ebx,%ebx
-    705f:	0f 8e d6 00 00 00    	jle    713b <tty_write+0x113>
-    7065:	8b 7c 24 44          	mov    0x44(%rsp),%edi
-    7069:	8d 85 4c 04 00 00    	lea    0x44c(%rbp),%eax
-    706f:	89 44 24 1c          	mov    %eax,0x1c(%rsp)
-    7073:	e9 ef 00 00 00       	jmpq   7167 <tty_write+0x13f>
-    7078:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    707d:	0f 84 a0 00 00 00    	je     7123 <tty_write+0xfb>
-    7083:	83 3d 20 6d 01 00 00 	cmpl   $0x0,0x16d20(%rip)        # 1ddaa <end+0x3ba2>
-    708a:	75 39                	jne    70c5 <tty_write+0x9d>
-    708c:	83 7c 24 18 00       	cmpl   $0x0,0x18(%rsp)
-    7091:	75 12                	jne    70a5 <tty_write+0x7d>
-    7093:	b1 0a                	mov    $0xa,%cl
-    7095:	e9 89 00 00 00       	jmpq   7123 <tty_write+0xfb>
-    709a:	83 7c 24 14 00       	cmpl   $0x0,0x14(%rsp)
-    709f:	74 e2                	je     7083 <tty_write+0x5b>
-    70a1:	b1 0d                	mov    $0xd,%cl
-    70a3:	eb 7e                	jmp    7123 <tty_write+0xfb>
-    70a5:	c7 05 20 6d 01 00 01 	movl   $0x1,0x16d20(%rip)        # 1ddcf <end+0x3bc7>
-    70ac:	00 00 00 
-    70af:	c6 84 05 50 04 00 00 	movb   $0xd,0x450(%rbp,%rax,1)
-    70b6:	0d 
-    70b7:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    70bd:	89 85 44 04 00 00    	mov    %eax,0x444(%rbp)
-    70c3:	eb 23                	jmp    70e8 <tty_write+0xc0>
-    70c5:	b1 0a                	mov    $0xa,%cl
-    70c7:	eb 5a                	jmp    7123 <tty_write+0xfb>
-    70c9:	47                   	rex.RXB
-    70ca:	4b c7 05 20 6d 01 00 	rex.WXB movq $0x0,0x16d20(%rip)        # 1ddf5 <end+0x3bed>
-    70d1:	00 00 00 00 
-    70d5:	88 8c 05 50 04 00 00 	mov    %cl,0x450(%rbp,%rax,1)
-    70dc:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    70e2:	89 85 44 04 00 00    	mov    %eax,0x444(%rbp)
-    70e8:	85 db                	test   %ebx,%ebx
-    70ea:	0f 8e 24 01 00 00    	jle    7214 <tty_write+0x1ec>
-    70f0:	8b 85 44 04 00 00    	mov    0x444(%rbp),%eax
-    70f6:	89 c2                	mov    %eax,%edx
-    70f8:	f7 d2                	not    %edx
-    70fa:	03 95 48 04 00 00    	add    0x448(%rbp),%edx
-    7100:	f7 c2 ff 03 00 00    	test   $0x3ff,%edx
-    7106:	74 50                	je     7158 <tty_write+0x130>
-    7108:	64 8a 17             	mov    %fs:(%rdi),%dl
-    710b:	88 d1                	mov    %dl,%cl
-    710d:	85 f6                	test   %esi,%esi
-    710f:	74 b8                	je     70c9 <tty_write+0xa1>
-    7111:	80 fa 0d             	cmp    $0xd,%dl
-    7114:	0f 84 5e ff ff ff    	je     7078 <tty_write+0x50>
-    711a:	80 fa 0a             	cmp    $0xa,%dl
-    711d:	0f 84 77 ff ff ff    	je     709a <tty_write+0x72>
-    7123:	83 7c 24 0c 00       	cmpl   $0x0,0xc(%rsp)
-    7128:	74 9f                	je     70c9 <tty_write+0xa1>
-    712a:	0f be d1             	movsbl %cl,%edx
-    712d:	f6 82 e1 63 01 00 02 	testb  $0x2,0x163e1(%rdx)
-    7134:	74 93                	je     70c9 <tty_write+0xa1>
-    7136:	83 e9 20             	sub    $0x20,%ecx
-    7139:	eb 8e                	jmp    70c9 <tty_write+0xa1>
-    713b:	8b 7c 24 44          	mov    0x44(%rsp),%edi
-    713f:	e9 da 00 00 00       	jmpq   721e <tty_write+0x1f6>
-    7144:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    7149:	e9 d6 00 00 00       	jmpq   7224 <tty_write+0x1fc>
-    714e:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    7153:	e9 cc 00 00 00       	jmpq   7224 <tty_write+0x1fc>
-    7158:	83 ec 0c             	sub    $0xc,%esp
-    715b:	55                   	push   %rbp
-    715c:	ff 55 2c             	callq  *0x2c(%rbp)
-    715f:	e8 d2 e3 ff ff       	callq  5536 <schedule>
-    7164:	83 c4 10             	add    $0x10,%esp
-    7167:	8b 85 48 04 00 00    	mov    0x448(%rbp),%eax
-    716d:	48 2b 85 44 04 00 00 	sub    0x444(%rbp),%rax
-    7174:	a9 ff 03 00 00       	test   $0x3ff,%eax
-    7179:	75 3f                	jne    71ba <tty_write+0x192>
-    717b:	fa                   	cli    
-    717c:	a1 00 2d 01 00 83 78 	movabs 0xc788300012d00,%eax
-    7183:	0c 00 
-    7185:	75 32                	jne    71b9 <tty_write+0x191>
-    7187:	8b 74 24 1c          	mov    0x1c(%rsp),%esi
-    718b:	83 ec 0c             	sub    $0xc,%esp
-    718e:	56                   	push   %rsi
-    718f:	e8 20 e5 ff ff       	callq  56b4 <interruptible_sleep_on>
-    7194:	83 c4 10             	add    $0x10,%esp
-    7197:	a1 00 2d 01 00 83 78 	movabs 0xc788300012d00,%eax
-    719e:	0c 00 
-    71a0:	75 17                	jne    71b9 <tty_write+0x191>
-    71a2:	8b 85 48 04 00 00    	mov    0x448(%rbp),%eax
-    71a8:	48 2b 85 44 04 00 00 	sub    0x444(%rbp),%rax
-    71af:	25 ff 03 00 00       	and    $0x3ff,%eax
-    71b4:	83 f8 7f             	cmp    $0x7f,%eax
-    71b7:	76 d2                	jbe    718b <tty_write+0x163>
-    71b9:	fb                   	sti    
-    71ba:	a1 00 2d 01 00 83 78 	movabs 0xc788300012d00,%eax
-    71c1:	0c 00 
-    71c3:	75 59                	jne    721e <tty_write+0x1f6>
-    71c5:	85 db                	test   %ebx,%ebx
-    71c7:	7e 4b                	jle    7214 <tty_write+0x1ec>
-    71c9:	8b 85 44 04 00 00    	mov    0x444(%rbp),%eax
-    71cf:	89 c2                	mov    %eax,%edx
-    71d1:	f7 d2                	not    %edx
-    71d3:	03 95 48 04 00 00    	add    0x448(%rbp),%edx
-    71d9:	f7 c2 ff 03 00 00    	test   $0x3ff,%edx
-    71df:	0f 84 73 ff ff ff    	je     7158 <tty_write+0x130>
-    71e5:	8b 55 04             	mov    0x4(%rbp),%edx
-    71e8:	89 d6                	mov    %edx,%esi
-    71ea:	83 e6 01             	and    $0x1,%esi
-    71ed:	89 d1                	mov    %edx,%ecx
-    71ef:	83 e1 20             	and    $0x20,%ecx
-    71f2:	89 4c 24 14          	mov    %ecx,0x14(%rsp)
-    71f6:	89 d1                	mov    %edx,%ecx
-    71f8:	83 e1 08             	and    $0x8,%ecx
-    71fb:	89 4c 24 10          	mov    %ecx,0x10(%rsp)
-    71ff:	89 d1                	mov    %edx,%ecx
-    7201:	83 e1 04             	and    $0x4,%ecx
-    7204:	89 4c 24 18          	mov    %ecx,0x18(%rsp)
-    7208:	83 e2 02             	and    $0x2,%edx
-    720b:	89 54 24 0c          	mov    %edx,0xc(%rsp)
-    720f:	e9 f4 fe ff ff       	jmpq   7108 <tty_write+0xe0>
-    7214:	83 ec 0c             	sub    $0xc,%esp
-    7217:	55                   	push   %rbp
-    7218:	ff 55 2c             	callq  *0x2c(%rbp)
-    721b:	83 c4 10             	add    $0x10,%esp
-    721e:	89 f8                	mov    %edi,%eax
-    7220:	2b 44 24 44          	sub    0x44(%rsp),%eax
-    7224:	83 c4 2c             	add    $0x2c,%esp
-    7227:	5b                   	pop    %rbx
-    7228:	5e                   	pop    %rsi
-    7229:	5f                   	pop    %rdi
-    722a:	5d                   	pop    %rbp
-    722b:	c3                   	retq   
-
-000000000000722c <do_tty_interrupt>:
-    722c:	83 ec 18             	sub    $0x18,%esp
-    722f:	8b 54 24 1c          	mov    0x1c(%rsp),%edx
-    7233:	8d 04 12             	lea    (%rdx,%rdx,1),%eax
-    7236:	01 d0                	add    %edx,%eax
-    7238:	89 c2                	mov    %eax,%edx
-    723a:	c1 e2 05             	shl    $0x5,%edx
-    723d:	01 d0                	add    %edx,%eax
-    723f:	c1 e0 05             	shl    $0x5,%eax
-    7242:	05 60 3e 01 00       	add    $0x13e60,%eax
-    7247:	50                   	push   %rax
-    7248:	e8 59 f8 ff ff       	callq  6aa6 <copy_to_cooked>
-    724d:	83 c4 1c             	add    $0x1c,%esp
-    7250:	c3                   	retq   
-    7251:	55                   	push   %rbp
-    7252:	57                   	push   %rdi
-    7253:	56                   	push   %rsi
-    7254:	53                   	push   %rbx
-    7255:	a1 a8 6d 01 00 85 c0 	movabs 0x975c08500016da8,%eax
-    725c:	75 09 
-    725e:	83 3d 84 63 01 00 19 	cmpl   $0x19,0x16384(%rip)        # 1d5e9 <end+0x33e1>
-    7265:	74 3d                	je     72a4 <do_tty_interrupt+0x78>
-    7267:	8d 14 80             	lea    (%rax,%rax,4),%edx
-    726a:	c1 e2 05             	shl    $0x5,%edx
-    726d:	8b 1d 8c 63 01 00    	mov    0x1638c(%rip),%ebx        # 1d5ff <end+0x33f7>
-    7273:	f7 d0                	not    %eax
-    7275:	03 05 84 63 01 00    	add    0x16384(%rip),%eax        # 1d5ff <end+0x33f7>
-    727b:	8d 0c 80             	lea    (%rax,%rax,4),%ecx
-    727e:	c1 e1 04             	shl    $0x4,%ecx
-    7281:	d1 e9                	shr    %ecx
-    7283:	8d 3c 1a             	lea    (%rdx,%rbx,1),%edi
-    7286:	8d b4 13 a0 00 00 00 	lea    0xa0(%rbx,%rdx,1),%esi
-    728d:	b8 20 07 00 00       	mov    $0x720,%eax
-    7292:	ba 50 00 00 00       	mov    $0x50,%edx
-    7297:	fc                   	cld    
-    7298:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    729a:	89 d1                	mov    %edx,%ecx
-    729c:	f3 66 ab             	rep stos %ax,%es:(%rdi)
-    729f:	5b                   	pop    %rbx
-    72a0:	5e                   	pop    %rsi
-    72a1:	5f                   	pop    %rdi
-    72a2:	5d                   	pop    %rbp
-    72a3:	c3                   	retq   
-    72a4:	a1 8c 63 01 00 8d b0 	movabs 0xa0b08d0001638c,%eax
-    72ab:	a0 00 
-    72ad:	00 00                	add    %al,(%rax)
-    72af:	89 35 8c 63 01 00    	mov    %esi,0x1638c(%rip)        # 1d641 <end+0x3439>
-    72b5:	8b 2d b4 6d 01 00    	mov    0x16db4(%rip),%ebp        # 1e06f <end+0x3e67>
-    72bb:	8d 85 a0 00 00 00    	lea    0xa0(%rbp),%eax
-    72c1:	a3 b4 6d 01 00 8b 1d 	movabs %eax,0x63881d8b00016db4
-    72c8:	88 63 
-    72ca:	01 00                	add    %eax,(%rax)
-    72cc:	8d 83 a0 00 00 00    	lea    0xa0(%rbx),%eax
-    72d2:	3d 00 00 0c 00       	cmp    $0xc0000,%eax
-    72d7:	0f 86 91 00 00 00    	jbe    736e <do_tty_interrupt+0x142>
-    72dd:	b8 20 07 00 00       	mov    $0x720,%eax
-    72e2:	b9 c0 03 00 00       	mov    $0x3c0,%ecx
-    72e7:	bf 00 80 0b 00       	mov    $0xb8000,%edi
-    72ec:	ba 50 00 00 00       	mov    $0x50,%edx
-    72f1:	fc                   	cld    
-    72f2:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    72f4:	89 d1                	mov    %edx,%ecx
-    72f6:	f3 66 ab             	rep stos %ax,%es:(%rdi)
-    72f9:	81 c3 a0 80 0b 00    	add    $0xb80a0,%ebx
-    72ff:	29 f3                	sub    %esi,%ebx
-    7301:	89 1d 88 63 01 00    	mov    %ebx,0x16388(%rip)        # 1d68f <end+0x3487>
-    7307:	81 c5 a0 80 0b 00    	add    $0xb80a0,%ebp
-    730d:	29 f5                	sub    %esi,%ebp
-    730f:	89 2d b4 6d 01 00    	mov    %ebp,0x16db4(%rip)        # 1e0c9 <end+0x3ec1>
-    7315:	c7 05 8c 63 01 00 00 	movl   $0xb8000,0x1638c(%rip)        # 1d6ab <end+0x34a3>
-    731c:	80 0b 00 
-    731f:	fa                   	cli    
-    7320:	be d4 03 00 00       	mov    $0x3d4,%esi
-    7325:	b8 0c 00 00 00       	mov    $0xc,%eax
-    732a:	89 f2                	mov    %esi,%edx
-    732c:	ee                   	out    %al,(%dx)
-    732d:	eb 00                	jmp    732f <do_tty_interrupt+0x103>
-    732f:	eb 00                	jmp    7331 <do_tty_interrupt+0x105>
-    7331:	a1 8c 63 01 00 8d 88 	movabs 0x8000888d0001638c,%eax
-    7338:	00 80 
-    733a:	f4                   	hlt    
-    733b:	ff 89 c8 c1 e8 09    	decl   0x9e8c1c8(%rcx)
-    7341:	0f b6 c0             	movzbl %al,%eax
-    7344:	bb d5 03 00 00       	mov    $0x3d5,%ebx
-    7349:	89 da                	mov    %ebx,%edx
-    734b:	ee                   	out    %al,(%dx)
-    734c:	eb 00                	jmp    734e <do_tty_interrupt+0x122>
-    734e:	eb 00                	jmp    7350 <do_tty_interrupt+0x124>
-    7350:	b8 0d 00 00 00       	mov    $0xd,%eax
-    7355:	89 f2                	mov    %esi,%edx
-    7357:	ee                   	out    %al,(%dx)
-    7358:	eb 00                	jmp    735a <do_tty_interrupt+0x12e>
-    735a:	eb 00                	jmp    735c <do_tty_interrupt+0x130>
-    735c:	d1 e9                	shr    %ecx
-    735e:	0f b6 c1             	movzbl %cl,%eax
-    7361:	89 da                	mov    %ebx,%edx
-    7363:	ee                   	out    %al,(%dx)
-    7364:	eb 00                	jmp    7366 <do_tty_interrupt+0x13a>
-    7366:	eb 00                	jmp    7368 <do_tty_interrupt+0x13c>
-    7368:	fb                   	sti    
-    7369:	e9 31 ff ff ff       	jmpq   729f <do_tty_interrupt+0x73>
-    736e:	a3 88 63 01 00 b8 20 	movabs %eax,0x200720b800016388
-    7375:	07 20 
-    7377:	07                   	(bad)  
-    7378:	b9 28 00 00 00       	mov    $0x28,%ecx
-    737d:	89 df                	mov    %ebx,%edi
-    737f:	fc                   	cld    
-    7380:	f3 ab                	rep stos %eax,%es:(%rdi)
-    7382:	eb 9b                	jmp    731f <do_tty_interrupt+0xf3>
-    7384:	57                   	push   %rdi
-    7385:	56                   	push   %rsi
-    7386:	8b 35 84 63 01 00    	mov    0x16384(%rip),%esi        # 1d710 <end+0x3508>
-    738c:	8d 56 ff             	lea    -0x1(%rsi),%edx
-    738f:	a1 8c 63 01 00 83 e8 	movabs 0x8904e8830001638c,%eax
-    7396:	04 89 
-    7398:	d1 2b                	shrl   (%rbx)
-    739a:	0d a8 6d 01 00       	or     $0x16da8,%eax
-    739f:	8d 0c 89             	lea    (%rcx,%rcx,4),%ecx
-    73a2:	c1 e1 04             	shl    $0x4,%ecx
-    73a5:	d1 e9                	shr    %ecx
-    73a7:	8d 3c b6             	lea    (%rsi,%rsi,4),%edi
-    73aa:	c1 e7 05             	shl    $0x5,%edi
-    73ad:	01 c7                	add    %eax,%edi
-    73af:	8d 34 92             	lea    (%rdx,%rdx,4),%esi
-    73b2:	c1 e6 05             	shl    $0x5,%esi
-    73b5:	01 c6                	add    %eax,%esi
-    73b7:	b8 20 07 00 00       	mov    $0x720,%eax
-    73bc:	ba 50 00 00 00       	mov    $0x50,%edx
-    73c1:	fd                   	std    
-    73c2:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    73c4:	83 c7 02             	add    $0x2,%edi
-    73c7:	89 d1                	mov    %edx,%ecx
-    73c9:	f3 66 ab             	rep stos %ax,%es:(%rdi)
-    73cc:	5e                   	pop    %rsi
-    73cd:	5f                   	pop    %rdi
-    73ce:	c3                   	retq   
-    73cf:	a1 ac 6d 01 00 40 3b 	movabs 0x84053b4000016dac,%eax
-    73d6:	05 84 
-    73d8:	63 01                	movslq (%rcx),%eax
-    73da:	00 73 10             	add    %dh,0x10(%rbx)
-    73dd:	a3 ac 6d 01 00 81 05 	movabs %eax,0x6db4058100016dac
-    73e4:	b4 6d 
-    73e6:	01 00                	add    %eax,(%rax)
-    73e8:	a0 00 00 00 c3 e8 5f 	movabs 0xfffe5fe8c3000000,%al
-    73ef:	fe ff 
-    73f1:	ff c3                	inc    %ebx
-    73f3:	8b 0d 44 6d 01 00    	mov    0x16d44(%rip),%ecx        # 1e13d <end+0x3f35>
-    73f9:	89 0d b0 6d 01 00    	mov    %ecx,0x16db0(%rip)        # 1e1af <end+0x3fa7>
-    73ff:	8b 15 40 6d 01 00    	mov    0x16d40(%rip),%edx        # 1e145 <end+0x3f3d>
-    7405:	89 15 ac 6d 01 00    	mov    %edx,0x16dac(%rip)        # 1e1b7 <end+0x3faf>
-    740b:	8d 04 92             	lea    (%rdx,%rdx,4),%eax
-    740e:	c1 e0 04             	shl    $0x4,%eax
-    7411:	01 c8                	add    %ecx,%eax
-    7413:	01 c0                	add    %eax,%eax
-    7415:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1d7a7 <end+0x359f>
-    741b:	a3                   	.byte 0xa3
-    741c:	b4 6d                	mov    $0x6d,%ah
-    741e:	01 00                	add    %eax,(%rax)
-    7420:	c3                   	retq   
-
-0000000000007421 <csi_m>:
-    7421:	55                   	push   %rbp
-    7422:	57                   	push   %rdi
-    7423:	56                   	push   %rsi
-    7424:	53                   	push   %rbx
-    7425:	8a 15 80 63 01 00    	mov    0x16380(%rip),%dl        # 1d7ab <end+0x35a3>
-    742b:	b8 60 6d 01 00       	mov    $0x16d60,%eax
-    7430:	8b 0d a0 6d 01 00    	mov    0x16da0(%rip),%ecx        # 1e1d6 <end+0x3fce>
-    7436:	8d 1c 8d 64 6d 01 00 	lea    0x16d64(,%rcx,4),%ebx
-    743d:	b1 00                	mov    $0x0,%cl
-    743f:	bf 01 00 00 00       	mov    $0x1,%edi
-    7444:	bd 07 00 00 00       	mov    $0x7,%ebp
-    7449:	eb 1d                	jmp    7468 <csi_m+0x47>
-    744b:	89 f9                	mov    %edi,%ecx
-    744d:	b2 0f                	mov    $0xf,%dl
-    744f:	eb 10                	jmp    7461 <csi_m+0x40>
-    7451:	89 f9                	mov    %edi,%ecx
-    7453:	b2 0f                	mov    $0xf,%dl
-    7455:	eb 0a                	jmp    7461 <csi_m+0x40>
-    7457:	89 f9                	mov    %edi,%ecx
-    7459:	b2 70                	mov    $0x70,%dl
-    745b:	eb 04                	jmp    7461 <csi_m+0x40>
-    745d:	89 f9                	mov    %edi,%ecx
-    745f:	89 ea                	mov    %ebp,%edx
-    7461:	83 c0 04             	add    $0x4,%eax
-    7464:	39 d8                	cmp    %ebx,%eax
-    7466:	74 0e                	je     7476 <csi_m+0x55>
-    7468:	83 38 1b             	cmpl   $0x1b,(%rax)
-    746b:	77 f4                	ja     7461 <csi_m+0x40>
-    746d:	8b 30                	mov    (%rax),%esi
-    746f:	ff 24 b5 10 ee 00 00 	jmpq   *0xee10(,%rsi,4)
-    7476:	84 c9                	test   %cl,%cl
-    7478:	75 05                	jne    747f <csi_m+0x5e>
-    747a:	5b                   	pop    %rbx
-    747b:	5e                   	pop    %rsi
-    747c:	5f                   	pop    %rdi
-    747d:	5d                   	pop    %rbp
-    747e:	c3                   	retq   
-    747f:	88 15 80 63 01 00    	mov    %dl,0x16380(%rip)        # 1d805 <end+0x35fd>
-    7485:	eb f3                	jmp    747a <csi_m+0x59>
-
-0000000000007487 <con_write>:
-    7487:	55                   	push   %rbp
-    7488:	57                   	push   %rdi
-    7489:	56                   	push   %rsi
-    748a:	53                   	push   %rbx
-    748b:	83 ec 1c             	sub    $0x1c,%esp
-    748e:	8b 5c 24 30          	mov    0x30(%rsp),%ebx
-    7492:	8b 83 44 04 00 00    	mov    0x444(%rbx),%eax
-    7498:	2b 83 48 04 00 00    	sub    0x448(%rbx),%eax
-    749e:	25 ff 03 00 00       	and    $0x3ff,%eax
-    74a3:	89 c5                	mov    %eax,%ebp
-    74a5:	4d 83 fd ff          	rex.WRB cmp $0xffffffffffffffff,%r13
-    74a9:	0f 84 37 08 00 00    	je     7ce6 <con_write+0x85f>
-    74af:	8b 83 48 04 00 00    	mov    0x448(%rbx),%eax
-    74b5:	0f b6 b4 03 50 04 00 	movzbl 0x450(%rbx,%rax,1),%esi
-    74bc:	00 
-    74bd:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    74c3:	89 83 48 04 00 00    	mov    %eax,0x448(%rbx)
-    74c9:	83 3d a4 6d 01 00 04 	cmpl   $0x4,0x16da4(%rip)        # 1e274 <end+0x406c>
-    74d0:	77 d3                	ja     74a5 <con_write+0x1e>
-    74d2:	a1 a4 6d 01 00 ff 24 	movabs 0x808524ff00016da4,%eax
-    74d9:	85 80 
-    74db:	ee                   	out    %al,(%dx)
-    74dc:	00 00                	add    %al,(%rax)
-    74de:	8d 46 e0             	lea    -0x20(%rsi),%eax
-    74e1:	3c 5e                	cmp    $0x5e,%al
-    74e3:	77 47                	ja     752c <con_write+0xa5>
-    74e5:	a1 b0 6d 01 00 83 f8 	movabs 0x774ff88300016db0,%eax
-    74ec:	4f 77 
-    74ee:	24 8b                	and    $0x8b,%al
-    74f0:	15 b4 6d 01 00       	adc    $0x16db4,%eax
-    74f5:	8a 0d 80 63 01 00    	mov    0x16380(%rip),%cl        # 1d87b <end+0x3673>
-    74fb:	89 f0                	mov    %esi,%eax
-    74fd:	88 cc                	mov    %cl,%ah
-    74ff:	66 89 02             	mov    %ax,(%rdx)
-    7502:	83 c2 02             	add    $0x2,%edx
-    7505:	89 15 b4 6d 01 00    	mov    %edx,0x16db4(%rip)        # 1e2bf <end+0x40b7>
-    750b:	ff 05 b0 6d 01 00    	incl   0x16db0(%rip)        # 1e2c1 <end+0x40b9>
-    7511:	eb 92                	jmp    74a5 <con_write+0x1e>
-    7513:	83 e8 50             	sub    $0x50,%eax
-    7516:	a3 b0 6d 01 00 81 2d 	movabs %eax,0x6db42d8100016db0
-    751d:	b4 6d 
-    751f:	01 00                	add    %eax,(%rax)
-    7521:	a0 00 00 00 e8 a5 fe 	movabs 0xfffffea5e8000000,%al
-    7528:	ff ff 
-    752a:	eb c3                	jmp    74ef <con_write+0x68>
-    752c:	89 f0                	mov    %esi,%eax
-    752e:	3c 1b                	cmp    $0x1b,%al
-    7530:	0f 84 83 00 00 00    	je     75b9 <con_write+0x132>
-    7536:	8d 46 f6             	lea    -0xa(%rsi),%eax
-    7539:	3c 02                	cmp    $0x2,%al
-    753b:	0f 86 87 00 00 00    	jbe    75c8 <con_write+0x141>
-    7541:	89 f0                	mov    %esi,%eax
-    7543:	3c 0d                	cmp    $0xd,%al
-    7545:	0f 84 87 00 00 00    	je     75d2 <con_write+0x14b>
-    754b:	0f be c0             	movsbl %al,%eax
-    754e:	0f b6 53 13          	movzbl 0x13(%rbx),%edx
-    7552:	39 d0                	cmp    %edx,%eax
-    7554:	0f 84 94 00 00 00    	je     75ee <con_write+0x167>
-    755a:	89 f0                	mov    %esi,%eax
-    755c:	3c 08                	cmp    $0x8,%al
-    755e:	0f 84 b7 00 00 00    	je     761b <con_write+0x194>
-    7564:	3c 09                	cmp    $0x9,%al
-    7566:	0f 85 39 ff ff ff    	jne    74a5 <con_write+0x1e>
-    756c:	8b 15 b0 6d 01 00    	mov    0x16db0(%rip),%edx        # 1e322 <end+0x411a>
-    7572:	88 d1                	mov    %dl,%cl
-    7574:	83 e1 07             	and    $0x7,%ecx
-    7577:	b0 08                	mov    $0x8,%al
-    7579:	29 c8                	sub    %ecx,%eax
-    757b:	0f be c0             	movsbl %al,%eax
-    757e:	01 c2                	add    %eax,%edx
-    7580:	89 15 b0 6d 01 00    	mov    %edx,0x16db0(%rip)        # 1e336 <end+0x412e>
-    7586:	01 c0                	add    %eax,%eax
-    7588:	03 05 b4 6d 01 00    	add    0x16db4(%rip),%eax        # 1e342 <end+0x413a>
-    758e:	a3 b4 6d 01 00 83 fa 	movabs %eax,0xf50fa8300016db4
-    7595:	50 0f 
-    7597:	86 09                	xchg   %cl,(%rcx)
-    7599:	ff                   	(bad)  
-    759a:	ff                   	(bad)  
-    759b:	ff 83 ea 50 89 15    	incl   0x158950ea(%rbx)
-    75a1:	b0 6d                	mov    $0x6d,%al
-    75a3:	01 00                	add    %eax,(%rax)
-    75a5:	2d a0 00 00 00       	sub    $0xa0,%eax
-    75aa:	a3 b4 6d 01 00 e8 1b 	movabs %eax,0xfffe1be800016db4
-    75b1:	fe ff 
-    75b3:	ff                   	(bad)  
-    75b4:	e9 ec fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    75b9:	c7 05 a4 6d 01 00 01 	movl   $0x1,0x16da4(%rip)        # 1e367 <end+0x415f>
-    75c0:	00 00 00 
-    75c3:	e9 dd fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    75c8:	e8 02 fe ff ff       	callq  73cf <do_tty_interrupt+0x1a3>
-    75cd:	e9 d3 fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    75d2:	a1 b0 6d 01 00 01 c0 	movabs 0x529c00100016db0,%eax
-    75d9:	29 05 
-    75db:	b4 6d                	mov    $0x6d,%ah
-    75dd:	01 00                	add    %eax,(%rax)
-    75df:	c7 05 b0 6d 01 00 00 	movl   $0x0,0x16db0(%rip)        # 1e399 <end+0x4191>
-    75e6:	00 00 00 
-    75e9:	e9 b7 fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    75ee:	a1 b0 6d 01 00 85 c0 	movabs 0x840fc08500016db0,%eax
-    75f5:	0f 84 
-    75f7:	aa                   	stos   %al,%es:(%rdi)
-    75f8:	fe                   	(bad)  
-    75f9:	ff                   	(bad)  
-    75fa:	ff 8b 15 b4 6d 01    	decl   0x16db415(%rbx)
-    7600:	00 8d 4a fe 89 0d    	add    %cl,0xd89fe4a(%rbp)
-    7606:	b4 6d                	mov    $0x6d,%ah
-    7608:	01 00                	add    %eax,(%rax)
-    760a:	48 a3 b0 6d 01 00 66 	movabs %rax,0xfe42c76600016db0
-    7611:	c7 42 fe 
-    7614:	20 07                	and    %al,(%rdi)
-    7616:	e9 8a fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    761b:	a1 b0 6d 01 00 85 c0 	movabs 0x840fc08500016db0,%eax
-    7622:	0f 84 
-    7624:	7d fe                	jge    7624 <con_write+0x19d>
-    7626:	ff                   	(bad)  
-    7627:	ff 48 a3             	decl   -0x5d(%rax)
-    762a:	b0 6d                	mov    $0x6d,%al
-    762c:	01 00                	add    %eax,(%rax)
-    762e:	83 2d b4 6d 01 00 02 	subl   $0x2,0x16db4(%rip)        # 1e3e9 <end+0x41e1>
-    7635:	e9 6b fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    763a:	c7 05 a4 6d 01 00 00 	movl   $0x0,0x16da4(%rip)        # 1e3e8 <end+0x41e0>
-    7641:	00 00 00 
-    7644:	89 f0                	mov    %esi,%eax
-    7646:	3c 5b                	cmp    $0x5b,%al
-    7648:	74 39                	je     7683 <con_write+0x1fc>
-    764a:	3c 45                	cmp    $0x45,%al
-    764c:	74 44                	je     7692 <con_write+0x20b>
-    764e:	3c 4d                	cmp    $0x4d,%al
-    7650:	74 74                	je     76c6 <con_write+0x23f>
-    7652:	3c 44                	cmp    $0x44,%al
-    7654:	0f 84 98 00 00 00    	je     76f2 <con_write+0x26b>
-    765a:	3c 5a                	cmp    $0x5a,%al
-    765c:	0f 84 9a 00 00 00    	je     76fc <con_write+0x275>
-    7662:	a1 b0 6d 01 00 83 f8 	movabs 0xf37f88300016db0,%eax
-    7669:	37 0f 
-    766b:	84 bd 00 00 00 83    	test   %bh,-0x7d000000(%rbp)
-    7671:	f8                   	clc    
-    7672:	38 0f                	cmp    %cl,(%rdi)
-    7674:	85 2c fe             	test   %ebp,(%rsi,%rdi,8)
-    7677:	ff                   	(bad)  
-    7678:	ff                   	(bad)  
-    7679:	e8 75 fd ff ff       	callq  73f3 <do_tty_interrupt+0x1c7>
-    767e:	e9 22 fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    7683:	c7 05 a4 6d 01 00 02 	movl   $0x2,0x16da4(%rip)        # 1e431 <end+0x4229>
-    768a:	00 00 00 
-    768d:	e9 13 fe ff ff       	jmpq   74a5 <con_write+0x1e>
-    7692:	a1 ac 6d 01 00 40 83 	movabs 0x18f8834000016dac,%eax
-    7699:	f8 18 
-    769b:	0f 87 04 fe ff ff    	ja     74a5 <con_write+0x1e>
-    76a1:	c7 05 b0 6d 01 00 00 	movl   $0x0,0x16db0(%rip)        # 1e45b <end+0x4253>
-    76a8:	00 00 00 
-    76ab:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    76b2:	80 c1 
-    76b4:	e0 05                	loopne 76bb <con_write+0x234>
-    76b6:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1da48 <end+0x3840>
-    76bc:	a3 b4 6d 01 00 e9 df 	movabs %eax,0xfffddfe900016db4
-    76c3:	fd ff 
-    76c5:	ff a1 ac 6d 01 00    	jmpq   *0x16dac(%rcx)
-    76cb:	3b 05 a8 6d 01 00    	cmp    0x16da8(%rip),%eax        # 1e479 <end+0x4271>
-    76d1:	76 15                	jbe    76e8 <con_write+0x261>
-    76d3:	48 a3 ac 6d 01 00 81 	movabs %rax,0x6db42d8100016dac
-    76da:	2d b4 6d 
-    76dd:	01 00                	add    %eax,(%rax)
-    76df:	a0 00 00 00 e9 bd fd 	movabs 0xfffffdbde9000000,%al
-    76e6:	ff ff 
-    76e8:	e8 97 fc ff ff       	callq  7384 <do_tty_interrupt+0x158>
-    76ed:	e9 b3 fd ff ff       	jmpq   74a5 <con_write+0x1e>
-    76f2:	e8 d8 fc ff ff       	callq  73cf <do_tty_interrupt+0x1a3>
-    76f7:	e9 a9 fd ff ff       	jmpq   74a5 <con_write+0x1e>
-    76fc:	fa                   	cli    
-    76fd:	8b 43 34             	mov    0x34(%rbx),%eax
-    7700:	b9 c3 f2 00 00       	mov    $0xf2c3,%ecx
-    7705:	b2 1b                	mov    $0x1b,%dl
-    7707:	88 54 03 40          	mov    %dl,0x40(%rbx,%rax,1)
-    770b:	40 25 ff 03 00 00    	rex and $0x3ff,%eax
-    7711:	41 8a 11             	mov    (%r9),%dl
-    7714:	84 d2                	test   %dl,%dl
-    7716:	75 ef                	jne    7707 <con_write+0x280>
-    7718:	89 43 34             	mov    %eax,0x34(%rbx)
-    771b:	fb                   	sti    
-    771c:	83 ec 0c             	sub    $0xc,%esp
-    771f:	53                   	push   %rbx
-    7720:	e8 81 f3 ff ff       	callq  6aa6 <copy_to_cooked>
-    7725:	83 c4 10             	add    $0x10,%esp
-    7728:	e9 78 fd ff ff       	jmpq   74a5 <con_write+0x1e>
-    772d:	c7 05 44 6d 01 00 37 	movl   $0x37,0x16d44(%rip)        # 1e47b <end+0x4273>
-    7734:	00 00 00 
-    7737:	a1 ac 6d 01 00 a3 40 	movabs 0x16d40a300016dac,%eax
-    773e:	6d 01 
-    7740:	00 e9                	add    %ch,%cl
-    7742:	5f                   	pop    %rdi
-    7743:	fd                   	std    
-    7744:	ff                   	(bad)  
-    7745:	ff                   	(bad)  
-    7746:	b8 60 6d 01 00       	mov    $0x16d60,%eax
-    774b:	ba a0 6d 01 00       	mov    $0x16da0,%edx
-    7750:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    7756:	83 c0 04             	add    $0x4,%eax
-    7759:	39 c2                	cmp    %eax,%edx
-    775b:	75 f3                	jne    7750 <con_write+0x2c9>
-    775d:	c7 05 a0 6d 01 00 00 	movl   $0x0,0x16da0(%rip)        # 1e507 <end+0x42ff>
-    7764:	00 00 00 
-    7767:	c7 05 a4 6d 01 00 03 	movl   $0x3,0x16da4(%rip)        # 1e515 <end+0x430d>
-    776e:	00 00 00 
-    7771:	89 f0                	mov    %esi,%eax
-    7773:	3c 3f                	cmp    $0x3f,%al
-    7775:	0f 84 2a fd ff ff    	je     74a5 <con_write+0x1e>
-    777b:	3c 3b                	cmp    $0x3b,%al
-    777d:	75 16                	jne    7795 <con_write+0x30e>
-    777f:	b8 00 00 00 00       	mov    $0x0,%eax
-    7784:	40 a3 a0 6d 01 00 e9 	rex movabs %eax,0xfffd16e900016da0
-    778b:	16 fd ff 
-    778e:	ff 89 f0 3c 3b 74    	decl   0x743b3cf0(%rcx)
-    7794:	2e 8d 46 d0          	lea    %cs:-0x30(%rsi),%eax
-    7798:	3c 09                	cmp    $0x9,%al
-    779a:	77 40                	ja     77dc <con_write+0x355>
-    779c:	8b 15 a0 6d 01 00    	mov    0x16da0(%rip),%edx        # 1e542 <end+0x433a>
-    77a2:	8b 04 95 60 6d 01 00 	mov    0x16d60(,%rdx,4),%eax
-    77a9:	8d 04 80             	lea    (%rax,%rax,4),%eax
-    77ac:	8d 44 00 d0          	lea    -0x30(%rax,%rax,1),%eax
-    77b0:	89 f1                	mov    %esi,%ecx
-    77b2:	0f be f1             	movsbl %cl,%esi
-    77b5:	01 c6                	add    %eax,%esi
-    77b7:	89 34 95 60 6d 01 00 	mov    %esi,0x16d60(,%rdx,4)
-    77be:	e9 e2 fc ff ff       	jmpq   74a5 <con_write+0x1e>
-    77c3:	a1 a0 6d 01 00 83 f8 	movabs 0x760ef88300016da0,%eax
-    77ca:	0e 76 
-    77cc:	b7 c7                	mov    $0xc7,%bh
-    77ce:	05 a4 6d 01 00       	add    $0x16da4,%eax
-    77d3:	00 00                	add    %al,(%rax)
-    77d5:	00 00                	add    %al,(%rax)
-    77d7:	e9 c9 fc ff ff       	jmpq   74a5 <con_write+0x1e>
-    77dc:	c7 05 a4 6d 01 00 00 	movl   $0x0,0x16da4(%rip)        # 1e58a <end+0x4382>
-    77e3:	00 00 00 
-    77e6:	8d 46 c0             	lea    -0x40(%rsi),%eax
-    77e9:	3c 35                	cmp    $0x35,%al
-    77eb:	0f 87 b4 fc ff ff    	ja     74a5 <con_write+0x1e>
-    77f1:	0f b6 c0             	movzbl %al,%eax
-    77f4:	ff 24 85 94 ee 00 00 	jmpq   *0xee94(,%rax,4)
-    77fb:	a1 60 6d 01 00 85 c0 	movabs 0x840fc08500016d60,%eax
-    7802:	0f 84 
-    7804:	30 05 00 00 48 a3    	xor    %al,-0x5cb80000(%rip)        # ffffffffa348780a <end+0xffffffffa346d602>
-    780a:	60                   	(bad)  
-    780b:	6d                   	insl   (%dx),%es:(%rdi)
-    780c:	01 00                	add    %eax,(%rax)
-    780e:	83 f8 4f             	cmp    $0x4f,%eax
-    7811:	0f 87 8e fc ff ff    	ja     74a5 <con_write+0x1e>
-    7817:	8b 15 ac 6d 01 00    	mov    0x16dac(%rip),%edx        # 1e5c9 <end+0x43c1>
-    781d:	e9 1c 05 00 00       	jmpq   7d3e <con_write+0x8b7>
-    7822:	83 3d 60 6d 01 00 00 	cmpl   $0x0,0x16d60(%rip)        # 1e589 <end+0x4381>
-    7829:	75 0a                	jne    7835 <con_write+0x3ae>
-    782b:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e595 <end+0x438d>
-    7832:	00 00 00 
-    7835:	8b 15 b0 6d 01 00    	mov    0x16db0(%rip),%edx        # 1e5eb <end+0x43e3>
-    783b:	83 fa 4f             	cmp    $0x4f,%edx
-    783e:	0f 87 61 fc ff ff    	ja     74a5 <con_write+0x1e>
-    7844:	a1 ac 6d 01 00 2b 05 	movabs 0x6d60052b00016dac,%eax
-    784b:	60 6d 
-    784d:	01 00                	add    %eax,(%rax)
-    784f:	83 f8 18             	cmp    $0x18,%eax
-    7852:	0f 87 4d fc ff ff    	ja     74a5 <con_write+0x1e>
-    7858:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    785f:	80 c1 
-    7861:	e0 04                	loopne 7867 <con_write+0x3e0>
-    7863:	01 c2                	add    %eax,%edx
-    7865:	01 d2                	add    %edx,%edx
-    7867:	89 d0                	mov    %edx,%eax
-    7869:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dbfb <end+0x39f3>
-    786f:	a3 b4 6d 01 00 e9 2c 	movabs %eax,0xfffc2ce900016db4
-    7876:	fc ff 
-    7878:	ff 83 3d 60 6d 01    	incl   0x16d603d(%rbx)
-    787e:	00 00                	add    %al,(%rax)
-    7880:	75 0a                	jne    788c <con_write+0x405>
-    7882:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e5ec <end+0x43e4>
-    7889:	00 00 00 
-    788c:	8b 15 b0 6d 01 00    	mov    0x16db0(%rip),%edx        # 1e642 <end+0x443a>
-    7892:	83 fa 4f             	cmp    $0x4f,%edx
-    7895:	0f 87 0a fc ff ff    	ja     74a5 <con_write+0x1e>
-    789b:	a1 ac 6d 01 00 03 05 	movabs 0x6d60050300016dac,%eax
-    78a2:	60 6d 
-    78a4:	01 00                	add    %eax,(%rax)
-    78a6:	83 f8 18             	cmp    $0x18,%eax
-    78a9:	0f 87 f6 fb ff ff    	ja     74a5 <con_write+0x1e>
-    78af:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    78b6:	80 c1 
-    78b8:	e0 04                	loopne 78be <con_write+0x437>
-    78ba:	01 c2                	add    %eax,%edx
-    78bc:	01 d2                	add    %edx,%edx
-    78be:	89 d0                	mov    %edx,%eax
-    78c0:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dc52 <end+0x3a4a>
-    78c6:	a3 b4 6d 01 00 e9 d5 	movabs %eax,0xfffbd5e900016db4
-    78cd:	fb ff 
-    78cf:	ff 83 3d 60 6d 01    	incl   0x16d603d(%rbx)
-    78d5:	00 00                	add    %al,(%rax)
-    78d7:	75 0a                	jne    78e3 <con_write+0x45c>
-    78d9:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e643 <end+0x443b>
-    78e0:	00 00 00 
-    78e3:	a1 b0 6d 01 00 03 05 	movabs 0x6d60050300016db0,%eax
-    78ea:	60 6d 
-    78ec:	01 00                	add    %eax,(%rax)
-    78ee:	83 f8 4f             	cmp    $0x4f,%eax
-    78f1:	0f 87 ae fb ff ff    	ja     74a5 <con_write+0x1e>
-    78f7:	8b 15 ac 6d 01 00    	mov    0x16dac(%rip),%edx        # 1e6a9 <end+0x44a1>
-    78fd:	83 fa 18             	cmp    $0x18,%edx
-    7900:	0f 87 9f fb ff ff    	ja     74a5 <con_write+0x1e>
-    7906:	a3 b0 6d 01 00 8d 14 	movabs %eax,0xc192148d00016db0
-    790d:	92 c1 
-    790f:	e2 04                	loop   7915 <con_write+0x48e>
-    7911:	01 d0                	add    %edx,%eax
-    7913:	01 c0                	add    %eax,%eax
-    7915:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dca7 <end+0x3a9f>
-    791b:	a3 b4 6d 01 00 e9 80 	movabs %eax,0xfffb80e900016db4
-    7922:	fb ff 
-    7924:	ff 83 3d 60 6d 01    	incl   0x16d603d(%rbx)
-    792a:	00 00                	add    %al,(%rax)
-    792c:	75 0a                	jne    7938 <con_write+0x4b1>
-    792e:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e698 <end+0x4490>
-    7935:	00 00 00 
-    7938:	a1 b0 6d 01 00 2b 05 	movabs 0x6d60052b00016db0,%eax
-    793f:	60 6d 
-    7941:	01 00                	add    %eax,(%rax)
-    7943:	83 f8 4f             	cmp    $0x4f,%eax
-    7946:	0f 87 59 fb ff ff    	ja     74a5 <con_write+0x1e>
-    794c:	8b 15 ac 6d 01 00    	mov    0x16dac(%rip),%edx        # 1e6fe <end+0x44f6>
-    7952:	83 fa 18             	cmp    $0x18,%edx
-    7955:	0f 87 4a fb ff ff    	ja     74a5 <con_write+0x1e>
-    795b:	a3 b0 6d 01 00 8d 14 	movabs %eax,0xc192148d00016db0
-    7962:	92 c1 
-    7964:	e2 04                	loop   796a <con_write+0x4e3>
-    7966:	01 d0                	add    %edx,%eax
-    7968:	01 c0                	add    %eax,%eax
-    796a:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dcfc <end+0x3af4>
-    7970:	a3 b4 6d 01 00 e9 2b 	movabs %eax,0xfffb2be900016db4
-    7977:	fb ff 
-    7979:	ff 83 3d 60 6d 01    	incl   0x16d603d(%rbx)
-    797f:	00 00                	add    %al,(%rax)
-    7981:	75 0a                	jne    798d <con_write+0x506>
-    7983:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e6ed <end+0x44e5>
-    798a:	00 00 00 
-    798d:	a1 ac 6d 01 00 03 05 	movabs 0x6d60050300016dac,%eax
-    7994:	60 6d 
-    7996:	01 00                	add    %eax,(%rax)
-    7998:	83 f8 18             	cmp    $0x18,%eax
-    799b:	0f 87 04 fb ff ff    	ja     74a5 <con_write+0x1e>
-    79a1:	c7 05 b0 6d 01 00 00 	movl   $0x0,0x16db0(%rip)        # 1e75b <end+0x4553>
-    79a8:	00 00 00 
-    79ab:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    79b2:	80 c1 
-    79b4:	e0 05                	loopne 79bb <con_write+0x534>
-    79b6:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dd48 <end+0x3b40>
-    79bc:	a3 b4 6d 01 00 e9 df 	movabs %eax,0xfffadfe900016db4
-    79c3:	fa ff 
-    79c5:	ff 83 3d 60 6d 01    	incl   0x16d603d(%rbx)
-    79cb:	00 00                	add    %al,(%rax)
-    79cd:	75 0a                	jne    79d9 <con_write+0x552>
-    79cf:	c7 05 60 6d 01 00 01 	movl   $0x1,0x16d60(%rip)        # 1e739 <end+0x4531>
-    79d6:	00 00 00 
-    79d9:	a1 ac 6d 01 00 2b 05 	movabs 0x6d60052b00016dac,%eax
-    79e0:	60 6d 
-    79e2:	01 00                	add    %eax,(%rax)
-    79e4:	83 f8 18             	cmp    $0x18,%eax
-    79e7:	0f 87 b8 fa ff ff    	ja     74a5 <con_write+0x1e>
-    79ed:	c7 05 b0 6d 01 00 00 	movl   $0x0,0x16db0(%rip)        # 1e7a7 <end+0x459f>
-    79f4:	00 00 00 
-    79f7:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    79fe:	80 c1 
-    7a00:	e0 05                	loopne 7a07 <con_write+0x580>
-    7a02:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1dd94 <end+0x3b8c>
-    7a08:	a3 b4 6d 01 00 e9 93 	movabs %eax,0xfffa93e900016db4
-    7a0f:	fa ff 
-    7a11:	ff a1 60 6d 01 00    	jmpq   *0x16d60(%rcx)
-    7a17:	85 c0                	test   %eax,%eax
-    7a19:	0f 84 47 03 00 00    	je     7d66 <con_write+0x8df>
-    7a1f:	48 a3 60 6d 01 00 8b 	movabs %rax,0x6db0158b00016d60
-    7a26:	15 b0 6d 
-    7a29:	01 00                	add    %eax,(%rax)
-    7a2b:	83 fa 4f             	cmp    $0x4f,%edx
-    7a2e:	0f 87 71 fa ff ff    	ja     74a5 <con_write+0x1e>
-    7a34:	83 f8 18             	cmp    $0x18,%eax
-    7a37:	0f 87 68 fa ff ff    	ja     74a5 <con_write+0x1e>
-    7a3d:	e9 33 03 00 00       	jmpq   7d75 <con_write+0x8ee>
-    7a42:	a1 60 6d 01 00 85 c0 	movabs 0x674c08500016d60,%eax
-    7a49:	74 06 
-    7a4b:	48 a3 60 6d 01 00 a1 	movabs %rax,0x16d64a100016d60
-    7a52:	64 6d 01 
-    7a55:	00 85 c0 0f 84 38    	add    %al,0x38840fc0(%rbp)
-    7a5b:	03 00                	add    (%rax),%eax
-    7a5d:	00 48 a3             	add    %cl,-0x5d(%rax)
-    7a60:	64 6d                	fs insl (%dx),%es:(%rdi)
-    7a62:	01 00                	add    %eax,(%rax)
-    7a64:	83 f8 4f             	cmp    $0x4f,%eax
-    7a67:	0f 87 38 fa ff ff    	ja     74a5 <con_write+0x1e>
-    7a6d:	8b 15 60 6d 01 00    	mov    0x16d60(%rip),%edx        # 1e7d3 <end+0x45cb>
-    7a73:	e9 24 03 00 00       	jmpq   7d9c <con_write+0x915>
-    7a78:	a1 60 6d 01 00 83 f8 	movabs 0x7401f88300016d60,%eax
-    7a7f:	01 74 
-    7a81:	39 83 f8 01 72 16    	cmp    %eax,0x167201f8(%rbx)
-    7a87:	83 f8 02             	cmp    $0x2,%eax
-    7a8a:	0f 85 15 fa ff ff    	jne    74a5 <con_write+0x1e>
-    7a90:	8b 3d 8c 63 01 00    	mov    0x1638c(%rip),%edi        # 1de22 <end+0x3c1a>
-    7a96:	b9 d0 07 00 00       	mov    $0x7d0,%ecx
-    7a9b:	eb 10                	jmp    7aad <con_write+0x626>
-    7a9d:	8b 3d b4 6d 01 00    	mov    0x16db4(%rip),%edi        # 1e857 <end+0x464f>
-    7aa3:	8b 0d 88 63 01 00    	mov    0x16388(%rip),%ecx        # 1de31 <end+0x3c29>
-    7aa9:	29 f9                	sub    %edi,%ecx
-    7aab:	d1 e9                	shr    %ecx
-    7aad:	b8 20 07 00 00       	mov    $0x720,%eax
-    7ab2:	fc                   	cld    
-    7ab3:	f3 66 ab             	rep stos %ax,%es:(%rdi)
-    7ab6:	e9 ea f9 ff ff       	jmpq   74a5 <con_write+0x1e>
-    7abb:	8b 3d 8c 63 01 00    	mov    0x1638c(%rip),%edi        # 1de4d <end+0x3c45>
-    7ac1:	8b 0d b4 6d 01 00    	mov    0x16db4(%rip),%ecx        # 1e87b <end+0x4673>
-    7ac7:	29 f9                	sub    %edi,%ecx
-    7ac9:	d1 e9                	shr    %ecx
-    7acb:	eb e0                	jmp    7aad <con_write+0x626>
-    7acd:	a1 60 6d 01 00 83 f8 	movabs 0x7401f88300016d60,%eax
-    7ad4:	01 74 
-    7ad6:	4d 83 f8 01          	rex.WRB cmp $0x1,%r8
-    7ada:	72 2b                	jb     7b07 <con_write+0x680>
-    7adc:	83 f8 02             	cmp    $0x2,%eax
-    7adf:	0f 85 c0 f9 ff ff    	jne    74a5 <con_write+0x1e>
-    7ae5:	a1 b0 6d 01 00 01 c0 	movabs 0x3d8bc00100016db0,%eax
-    7aec:	8b 3d 
-    7aee:	b4 6d                	mov    $0x6d,%ah
-    7af0:	01 00                	add    %eax,(%rax)
-    7af2:	29 c7                	sub    %eax,%edi
-    7af4:	b9 50 00 00 00       	mov    $0x50,%ecx
-    7af9:	b8 20 07 00 00       	mov    $0x720,%eax
-    7afe:	fc                   	cld    
-    7aff:	f3 66 ab             	rep stos %ax,%es:(%rdi)
-    7b02:	e9 9e f9 ff ff       	jmpq   74a5 <con_write+0x1e>
-    7b07:	a1 b0 6d 01 00 83 f8 	movabs 0xf4ff88300016db0,%eax
-    7b0e:	4f 0f 
-    7b10:	87 90 f9 ff ff b9    	xchg   %edx,-0x46000007(%rax)
-    7b16:	50                   	push   %rax
-    7b17:	00 00                	add    %al,(%rax)
-    7b19:	00 29                	add    %ch,(%rcx)
-    7b1b:	c1 8b 3d b4 6d 01 00 	rorl   $0x0,0x16db43d(%rbx)
-    7b22:	eb d5                	jmp    7af9 <con_write+0x672>
-    7b24:	a1 b0 6d 01 00 8d 14 	movabs 0x8b00148d00016db0,%eax
-    7b2b:	00 8b 
-    7b2d:	3d b4 6d 01 00       	cmp    $0x16db4,%eax
-    7b32:	29 d7                	sub    %edx,%edi
-    7b34:	89 c1                	mov    %eax,%ecx
-    7b36:	83 f8 50             	cmp    $0x50,%eax
-    7b39:	76 be                	jbe    7af9 <con_write+0x672>
-    7b3b:	b9 50 00 00 00       	mov    $0x50,%ecx
-    7b40:	eb b7                	jmp    7af9 <con_write+0x672>
-    7b42:	a1 60 6d 01 00 83 f8 	movabs 0xf19f88300016d60,%eax
-    7b49:	19 0f 
-    7b4b:	87 7a 02             	xchg   %edi,0x2(%rdx)
-    7b4e:	00 00                	add    %al,(%rax)
-    7b50:	89 c6                	mov    %eax,%esi
-    7b52:	85 c0                	test   %eax,%eax
-    7b54:	0f 85 75 02 00 00    	jne    7dcf <con_write+0x948>
-    7b5a:	be 01 00 00 00       	mov    $0x1,%esi
-    7b5f:	e9 6b 02 00 00       	jmpq   7dcf <con_write+0x948>
-    7b64:	a1 60 6d 01 00 83 f8 	movabs 0xf19f88300016d60,%eax
-    7b6b:	19 0f 
-    7b6d:	87 a2 02 00 00 89    	xchg   %esp,-0x76fffffe(%rdx)
-    7b73:	c6 85 c0 0f 85 9d 02 	movb   $0x2,-0x627af040(%rbp)
-    7b7a:	00 00                	add    %al,(%rax)
-    7b7c:	be 01 00 00 00       	mov    $0x1,%esi
-    7b81:	e9 93 02 00 00       	jmpq   7e19 <con_write+0x992>
-    7b86:	a1 60 6d 01 00 83 f8 	movabs 0x7750f88300016d60,%eax
-    7b8d:	50 77 
-    7b8f:	0d 89 c1 85 c0       	or     $0xc085c189,%eax
-    7b94:	75 0c                	jne    7ba2 <con_write+0x71b>
-    7b96:	b9 01 00 00 00       	mov    $0x1,%ecx
-    7b9b:	eb 05                	jmp    7ba2 <con_write+0x71b>
-    7b9d:	b9 50 00 00 00       	mov    $0x50,%ecx
-    7ba2:	a1 b4 6d 01 00 89 44 	movabs 0xc24448900016db4,%eax
-    7ba9:	24 0c 
-    7bab:	8b 35 b0 6d 01 00    	mov    0x16db0(%rip),%esi        # 1e961 <end+0x4759>
-    7bb1:	8d 7e 01             	lea    0x1(%rsi),%edi
-    7bb4:	89 7c 24 08          	mov    %edi,0x8(%rsp)
-    7bb8:	eb 09                	jmp    7bc3 <con_write+0x73c>
-    7bba:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    7bbe:	66 c7 00 20 07       	movw   $0x720,(%rax)
-    7bc3:	49 83 f9 ff          	cmp    $0xffffffffffffffff,%r9
-    7bc7:	0f 84 d8 f8 ff ff    	je     74a5 <con_write+0x1e>
-    7bcd:	83 fe 4f             	cmp    $0x4f,%esi
-    7bd0:	77 f1                	ja     7bc3 <con_write+0x73c>
-    7bd2:	83 7c 24 08 4f       	cmpl   $0x4f,0x8(%rsp)
-    7bd7:	77 e1                	ja     7bba <con_write+0x733>
-    7bd9:	89 fa                	mov    %edi,%edx
-    7bdb:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    7bdf:	89 4c 24 04          	mov    %ecx,0x4(%rsp)
-    7be3:	66 8b 48 02          	mov    0x2(%rax),%cx
-    7be7:	66 89 08             	mov    %cx,(%rax)
-    7bea:	83 c0 02             	add    $0x2,%eax
-    7bed:	42 83 fa 4f          	rex.X cmp $0x4f,%edx
-    7bf1:	76 f0                	jbe    7be3 <con_write+0x75c>
-    7bf3:	8b 4c 24 04          	mov    0x4(%rsp),%ecx
-    7bf7:	eb c5                	jmp    7bbe <con_write+0x737>
-    7bf9:	a1 60 6d 01 00 83 f8 	movabs 0x7750f88300016d60,%eax
-    7c00:	50 77 
-    7c02:	3e 89 c7             	ds mov %eax,%edi
-    7c05:	85 c0                	test   %eax,%eax
-    7c07:	75 3d                	jne    7c46 <con_write+0x7bf>
-    7c09:	bf 01 00 00 00       	mov    $0x1,%edi
-    7c0e:	eb 36                	jmp    7c46 <con_write+0x7bf>
-    7c10:	66 8b 30             	mov    (%rax),%si
-    7c13:	66 89 08             	mov    %cx,(%rax)
-    7c16:	83 c0 02             	add    $0x2,%eax
-    7c19:	42 89 f1             	rex.X mov %esi,%ecx
-    7c1c:	83 fa 4f             	cmp    $0x4f,%edx
-    7c1f:	76 ef                	jbe    7c10 <con_write+0x789>
-    7c21:	4f 83 ff ff          	rex.WRXB cmp $0xffffffffffffffff,%r15
-    7c25:	0f 84 7a f8 ff ff    	je     74a5 <con_write+0x1e>
-    7c2b:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    7c2f:	83 f8 4f             	cmp    $0x4f,%eax
-    7c32:	77 ed                	ja     7c21 <con_write+0x79a>
-    7c34:	89 c2                	mov    %eax,%edx
-    7c36:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    7c3a:	b9 20 07 00 00       	mov    $0x720,%ecx
-    7c3f:	eb cf                	jmp    7c10 <con_write+0x789>
-    7c41:	bf 50 00 00 00       	mov    $0x50,%edi
-    7c46:	a1 b0 6d 01 00 89 44 	movabs 0x424448900016db0,%eax
-    7c4d:	24 04 
-    7c4f:	a1 b4 6d 01 00 89 44 	movabs 0x824448900016db4,%eax
-    7c56:	24 08 
-    7c58:	eb c7                	jmp    7c21 <con_write+0x79a>
-    7c5a:	e8 c2 f7 ff ff       	callq  7421 <csi_m>
-    7c5f:	e9 41 f8 ff ff       	jmpq   74a5 <con_write+0x1e>
-    7c64:	a1 60 6d 01 00 85 c0 	movabs 0x674c08500016d60,%eax
-    7c6b:	74 06 
-    7c6d:	48 a3 60 6d 01 00 a1 	movabs %rax,0x16d64a100016d60
-    7c74:	64 6d 01 
-    7c77:	00 85 c0 75 2e c7    	add    %al,-0x38d18a40(%rbp)
-    7c7d:	05 64 6d 01 00       	add    $0x16d64,%eax
-    7c82:	19 00                	sbb    %eax,(%rax)
-    7c84:	00 00                	add    %al,(%rax)
-    7c86:	8b 15 60 6d 01 00    	mov    0x16d60(%rip),%edx        # 1e9ec <end+0x47e4>
-    7c8c:	83 fa 18             	cmp    $0x18,%edx
-    7c8f:	0f 87 10 f8 ff ff    	ja     74a5 <con_write+0x1e>
-    7c95:	b8 19 00 00 00       	mov    $0x19,%eax
-    7c9a:	89 15 a8 6d 01 00    	mov    %edx,0x16da8(%rip)        # 1ea48 <end+0x4840>
-    7ca0:	a3 84 63 01 00 e9 fb 	movabs %eax,0xfff7fbe900016384
-    7ca7:	f7 ff 
-    7ca9:	ff 8b 15 60 6d 01    	decl   0x16d6015(%rbx)
-    7caf:	00 39                	add    %bh,(%rcx)
-    7cb1:	d0 0f                	rorb   (%rdi)
-    7cb3:	86 ed                	xchg   %ch,%ch
-    7cb5:	f7 ff                	idiv   %edi
-    7cb7:	ff 83 f8 19 0f 87    	incl   -0x78f0e608(%rbx)
-    7cbd:	e4 f7                	in     $0xf7,%al
-    7cbf:	ff                   	(bad)  
-    7cc0:	ff                   	(bad)  
-    7cc1:	eb d7                	jmp    7c9a <con_write+0x813>
-    7cc3:	a1 b0 6d 01 00 a3 44 	movabs 0x16d44a300016db0,%eax
-    7cca:	6d 01 
-    7ccc:	00 a1 ac 6d 01 00    	add    %ah,0x16dac(%rcx)
-    7cd2:	a3 40 6d 01 00 e9 c9 	movabs %eax,0xfff7c9e900016d40
-    7cd9:	f7 ff 
-    7cdb:	ff                   	(bad)  
-    7cdc:	e8 12 f7 ff ff       	callq  73f3 <do_tty_interrupt+0x1c7>
-    7ce1:	e9 bf f7 ff ff       	jmpq   74a5 <con_write+0x1e>
-    7ce6:	fa                   	cli    
-    7ce7:	be d4 03 00 00       	mov    $0x3d4,%esi
-    7cec:	b8 0e 00 00 00       	mov    $0xe,%eax
-    7cf1:	89 f2                	mov    %esi,%edx
-    7cf3:	ee                   	out    %al,(%dx)
-    7cf4:	eb 00                	jmp    7cf6 <con_write+0x86f>
-    7cf6:	eb 00                	jmp    7cf8 <con_write+0x871>
-    7cf8:	a1 b4 6d 01 00 8d 88 	movabs 0x8000888d00016db4,%eax
-    7cff:	00 80 
-    7d01:	f4                   	hlt    
-    7d02:	ff 89 c8 c1 e8 09    	decl   0x9e8c1c8(%rcx)
-    7d08:	0f b6 c0             	movzbl %al,%eax
-    7d0b:	bb d5 03 00 00       	mov    $0x3d5,%ebx
-    7d10:	89 da                	mov    %ebx,%edx
-    7d12:	ee                   	out    %al,(%dx)
-    7d13:	eb 00                	jmp    7d15 <con_write+0x88e>
-    7d15:	eb 00                	jmp    7d17 <con_write+0x890>
-    7d17:	b8 0f 00 00 00       	mov    $0xf,%eax
-    7d1c:	89 f2                	mov    %esi,%edx
-    7d1e:	ee                   	out    %al,(%dx)
-    7d1f:	eb 00                	jmp    7d21 <con_write+0x89a>
-    7d21:	eb 00                	jmp    7d23 <con_write+0x89c>
-    7d23:	d1 e9                	shr    %ecx
-    7d25:	0f b6 c1             	movzbl %cl,%eax
-    7d28:	89 da                	mov    %ebx,%edx
-    7d2a:	ee                   	out    %al,(%dx)
-    7d2b:	eb 00                	jmp    7d2d <con_write+0x8a6>
-    7d2d:	eb 00                	jmp    7d2f <con_write+0x8a8>
-    7d2f:	fb                   	sti    
-    7d30:	83 c4 1c             	add    $0x1c,%esp
-    7d33:	5b                   	pop    %rbx
-    7d34:	5e                   	pop    %rsi
-    7d35:	5f                   	pop    %rdi
-    7d36:	5d                   	pop    %rbp
-    7d37:	c3                   	retq   
-    7d38:	8b 15 ac 6d 01 00    	mov    0x16dac(%rip),%edx        # 1eaea <end+0x48e2>
-    7d3e:	83 fa 18             	cmp    $0x18,%edx
-    7d41:	0f 87 5e f7 ff ff    	ja     74a5 <con_write+0x1e>
-    7d47:	a3 b0 6d 01 00 8d 14 	movabs %eax,0xc192148d00016db0
-    7d4e:	92 c1 
-    7d50:	e2 04                	loop   7d56 <con_write+0x8cf>
-    7d52:	01 d0                	add    %edx,%eax
-    7d54:	01 c0                	add    %eax,%eax
-    7d56:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1e0e8 <end+0x3ee0>
-    7d5c:	a3 b4 6d 01 00 e9 3f 	movabs %eax,0xfff73fe900016db4
-    7d63:	f7 ff 
-    7d65:	ff 8b 15 b0 6d 01    	decl   0x16db015(%rbx)
-    7d6b:	00 83 fa 4f 0f 87    	add    %al,-0x78f0b006(%rbx)
-    7d71:	30 f7                	xor    %dh,%bh
-    7d73:	ff                   	(bad)  
-    7d74:	ff a3 ac 6d 01 00    	jmpq   *0x16dac(%rbx)
-    7d7a:	8d 04 80             	lea    (%rax,%rax,4),%eax
-    7d7d:	c1 e0 04             	shl    $0x4,%eax
-    7d80:	01 c2                	add    %eax,%edx
-    7d82:	01 d2                	add    %edx,%edx
-    7d84:	89 d0                	mov    %edx,%eax
-    7d86:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1e118 <end+0x3f10>
-    7d8c:	a3 b4 6d 01 00 e9 0f 	movabs %eax,0xfff70fe900016db4
-    7d93:	f7 ff 
-    7d95:	ff 8b 15 60 6d 01    	decl   0x16d6015(%rbx)
-    7d9b:	00 83 fa 18 0f 87    	add    %al,-0x78f0e706(%rbx)
-    7da1:	00 f7                	add    %dh,%bh
-    7da3:	ff                   	(bad)  
-    7da4:	ff a3 b0 6d 01 00    	jmpq   *0x16db0(%rbx)
-    7daa:	89 15 ac 6d 01 00    	mov    %edx,0x16dac(%rip)        # 1eb5c <end+0x4954>
-    7db0:	8d 14 92             	lea    (%rdx,%rdx,4),%edx
-    7db3:	c1 e2 04             	shl    $0x4,%edx
-    7db6:	01 d0                	add    %edx,%eax
-    7db8:	01 c0                	add    %eax,%eax
-    7dba:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1e14c <end+0x3f44>
-    7dc0:	a3 b4 6d 01 00 e9 db 	movabs %eax,0xfff6dbe900016db4
-    7dc7:	f6 ff 
-    7dc9:	ff                   	(bad)  
-    7dca:	be 19 00 00 00       	mov    $0x19,%esi
-    7dcf:	4e 89 6c 24 04       	mov    %r13,0x4(%rsp,%r12,1)
-    7dd4:	8b 2d a8 6d 01 00    	mov    0x16da8(%rip),%ebp        # 1eb82 <end+0x497a>
-    7dda:	8b 3d 84 63 01 00    	mov    0x16384(%rip),%edi        # 1e164 <end+0x3f5c>
-    7de0:	a1 ac 6d 01 00 a3 a8 	movabs 0x16da8a300016dac,%eax
-    7de7:	6d 01 
-    7de9:	00 c7                	add    %al,%bh
-    7deb:	05 84 63 01 00       	add    $0x16384,%eax
-    7df0:	19 00                	sbb    %eax,(%rax)
-    7df2:	00 00                	add    %al,(%rax)
-    7df4:	e8 8b f5 ff ff       	callq  7384 <do_tty_interrupt+0x158>
-    7df9:	89 2d a8 6d 01 00    	mov    %ebp,0x16da8(%rip)        # 1eba7 <end+0x499f>
-    7dff:	89 3d 84 63 01 00    	mov    %edi,0x16384(%rip)        # 1e189 <end+0x3f81>
-    7e05:	4e 83 fe ff          	rex.WRX cmp $0xffffffffffffffff,%rsi
-    7e09:	75 c9                	jne    7dd4 <con_write+0x94d>
-    7e0b:	8b 6c 24 04          	mov    0x4(%rsp),%ebp
-    7e0f:	e9 91 f6 ff ff       	jmpq   74a5 <con_write+0x1e>
-    7e14:	be 19 00 00 00       	mov    $0x19,%esi
-    7e19:	4e 89 6c 24 04       	mov    %r13,0x4(%rsp,%r12,1)
-    7e1e:	8b 2d a8 6d 01 00    	mov    0x16da8(%rip),%ebp        # 1ebcc <end+0x49c4>
-    7e24:	8b 3d 84 63 01 00    	mov    0x16384(%rip),%edi        # 1e1ae <end+0x3fa6>
-    7e2a:	a1 ac 6d 01 00 a3 a8 	movabs 0x16da8a300016dac,%eax
-    7e31:	6d 01 
-    7e33:	00 c7                	add    %al,%bh
-    7e35:	05 84 63 01 00       	add    $0x16384,%eax
-    7e3a:	19 00                	sbb    %eax,(%rax)
-    7e3c:	00 00                	add    %al,(%rax)
-    7e3e:	e8 0e f4 ff ff       	callq  7251 <do_tty_interrupt+0x25>
-    7e43:	89 2d a8 6d 01 00    	mov    %ebp,0x16da8(%rip)        # 1ebf1 <end+0x49e9>
-    7e49:	89 3d 84 63 01 00    	mov    %edi,0x16384(%rip)        # 1e1d3 <end+0x3fcb>
-    7e4f:	4e 83 fe ff          	rex.WRX cmp $0xffffffffffffffff,%rsi
-    7e53:	75 c9                	jne    7e1e <con_write+0x997>
-    7e55:	8b 6c 24 04          	mov    0x4(%rsp),%ebp
-    7e59:	e9 47 f6 ff ff       	jmpq   74a5 <con_write+0x1e>
-
-0000000000007e5e <con_init>:
-    7e5e:	0f b6 15 fe 01 09 00 	movzbl 0x901fe(%rip),%edx        # 98063 <end+0x7de5b>
-    7e65:	83 fa 4f             	cmp    $0x4f,%edx
-    7e68:	77 2c                	ja     7e96 <con_init+0x38>
-    7e6a:	0f b6 05 ff 01 09 00 	movzbl 0x901ff(%rip),%eax        # 98070 <end+0x7de68>
-    7e71:	83 f8 18             	cmp    $0x18,%eax
-    7e74:	77 20                	ja     7e96 <con_init+0x38>
-    7e76:	89 15 b0 6d 01 00    	mov    %edx,0x16db0(%rip)        # 1ec2c <end+0x4a24>
-    7e7c:	a3 ac 6d 01 00 8d 04 	movabs %eax,0xc180048d00016dac
-    7e83:	80 c1 
-    7e85:	e0 04                	loopne 7e8b <con_init+0x2d>
-    7e87:	01 d0                	add    %edx,%eax
-    7e89:	01 c0                	add    %eax,%eax
-    7e8b:	03 05 8c 63 01 00    	add    0x1638c(%rip),%eax        # 1e21d <end+0x4015>
-    7e91:	a3 b4 6d 01 00 ba e4 	movabs %eax,0x7ee4ba00016db4
-    7e98:	7e 00 
-    7e9a:	00 b8 00 00 08 00    	add    %bh,0x80000(%rax)
-    7ea0:	66 89 d0             	mov    %dx,%ax
-    7ea3:	66 ba 00 8f          	mov    $0x8f00,%dx
-    7ea7:	a3 80 41 00 00 89 15 	movabs %eax,0x4184158900004180
-    7eae:	84 41 
-    7eb0:	00 00                	add    %al,(%rax)
-    7eb2:	ba 21 00 00 00       	mov    $0x21,%edx
-    7eb7:	ec                   	in     (%dx),%al
-    7eb8:	eb 00                	jmp    7eba <con_init+0x5c>
-    7eba:	eb 00                	jmp    7ebc <con_init+0x5e>
-    7ebc:	25 fd 00 00 00       	and    $0xfd,%eax
-    7ec1:	ee                   	out    %al,(%dx)
-    7ec2:	eb 00                	jmp    7ec4 <con_init+0x66>
-    7ec4:	eb 00                	jmp    7ec6 <con_init+0x68>
-    7ec6:	ba 61 00 00 00       	mov    $0x61,%edx
-    7ecb:	ec                   	in     (%dx),%al
-    7ecc:	eb 00                	jmp    7ece <con_init+0x70>
-    7ece:	eb 00                	jmp    7ed0 <con_init+0x72>
-    7ed0:	88 c1                	mov    %al,%cl
-    7ed2:	83 c8 80             	or     $0xffffff80,%eax
-    7ed5:	0f b6 c0             	movzbl %al,%eax
-    7ed8:	ee                   	out    %al,(%dx)
-    7ed9:	eb 00                	jmp    7edb <con_init+0x7d>
-    7edb:	eb 00                	jmp    7edd <con_init+0x7f>
-    7edd:	88 c8                	mov    %cl,%al
-    7edf:	ee                   	out    %al,(%dx)
-    7ee0:	c3                   	retq   
-    7ee1:	00 02                	add    %al,(%rdx)
-	...
-
-0000000000007ee4 <keyboard_interrupt>:
-    7ee4:	50                   	push   %rax
-    7ee5:	53                   	push   %rbx
-    7ee6:	51                   	push   %rcx
-    7ee7:	52                   	push   %rdx
-    7ee8:	1e                   	(bad)  
-    7ee9:	06                   	(bad)  
-    7eea:	b8 10 00 00 00       	mov    $0x10,%eax
-    7eef:	8e d8                	mov    %eax,%ds
-    7ef1:	8e c0                	mov    %eax,%es
-    7ef3:	31 c0                	xor    %eax,%eax
-    7ef5:	e4 60                	in     $0x60,%al
-    7ef7:	3c e0                	cmp    $0xe0,%al
-    7ef9:	74 3d                	je     7f38 <keyboard_interrupt+0x54>
-    7efb:	3c e1                	cmp    $0xe1,%al
-    7efd:	74 42                	je     7f41 <keyboard_interrupt+0x5d>
-    7eff:	ff 14 85 9b 82 00 00 	callq  *0x829b(,%rax,4)
-    7f06:	c6 05 e3 7e 00 00 00 	movb   $0x0,0x7ee3(%rip)        # fdf0 <wait+0x113c>
-    7f0d:	e4 61                	in     $0x61,%al
-    7f0f:	eb 00                	jmp    7f11 <keyboard_interrupt+0x2d>
-    7f11:	eb 00                	jmp    7f13 <keyboard_interrupt+0x2f>
-    7f13:	0c 80                	or     $0x80,%al
-    7f15:	eb 00                	jmp    7f17 <keyboard_interrupt+0x33>
-    7f17:	eb 00                	jmp    7f19 <keyboard_interrupt+0x35>
-    7f19:	e6 61                	out    %al,$0x61
-    7f1b:	eb 00                	jmp    7f1d <keyboard_interrupt+0x39>
-    7f1d:	eb 00                	jmp    7f1f <keyboard_interrupt+0x3b>
-    7f1f:	24 7f                	and    $0x7f,%al
-    7f21:	e6 61                	out    %al,$0x61
-    7f23:	b0 20                	mov    $0x20,%al
-    7f25:	e6 20                	out    %al,$0x20
-    7f27:	6a 00                	pushq  $0x0
-    7f29:	e8 fe f2 ff ff       	callq  722c <do_tty_interrupt>
-    7f2e:	83 c4 04             	add    $0x4,%esp
-    7f31:	07                   	(bad)  
-    7f32:	1f                   	(bad)  
-    7f33:	5a                   	pop    %rdx
-    7f34:	59                   	pop    %rcx
-    7f35:	5b                   	pop    %rbx
-    7f36:	58                   	pop    %rax
-    7f37:	cf                   	iret   
-    7f38:	c6 05 e3 7e 00 00 01 	movb   $0x1,0x7ee3(%rip)        # fe22 <wait+0x116e>
-    7f3f:	eb cc                	jmp    7f0d <keyboard_interrupt+0x29>
-    7f41:	c6 05 e3 7e 00 00 02 	movb   $0x2,0x7ee3(%rip)        # fe2b <wait+0x1177>
-    7f48:	eb c3                	jmp    7f0d <keyboard_interrupt+0x29>
-    7f4a:	51                   	push   %rcx
-    7f4b:	52                   	push   %rdx
-    7f4c:	8b 15 40 3e 01 00    	mov    0x13e40(%rip),%edx        # 1bd92 <end+0x1b8a>
-    7f52:	8b 4a 04             	mov    0x4(%rdx),%ecx
-    7f55:	88 44 0a 10          	mov    %al,0x10(%rdx,%rcx,1)
-    7f59:	41 81 e1 ff 03 00 00 	and    $0x3ff,%r9d
-    7f60:	3b 4a 08             	cmp    0x8(%rdx),%ecx
-    7f63:	74 1b                	je     7f80 <keyboard_interrupt+0x9c>
-    7f65:	0f ac d8 08          	shrd   $0x8,%ebx,%eax
-    7f69:	74 05                	je     7f70 <keyboard_interrupt+0x8c>
-    7f6b:	c1 eb 08             	shr    $0x8,%ebx
-    7f6e:	eb e5                	jmp    7f55 <keyboard_interrupt+0x71>
-    7f70:	89 4a 04             	mov    %ecx,0x4(%rdx)
-    7f73:	8b 4a 0c             	mov    0xc(%rdx),%ecx
-    7f76:	85 c9                	test   %ecx,%ecx
-    7f78:	74 06                	je     7f80 <keyboard_interrupt+0x9c>
-    7f7a:	c7 01 00 00 00 00    	movl   $0x0,(%rcx)
-    7f80:	5a                   	pop    %rdx
-    7f81:	59                   	pop    %rcx
-    7f82:	c3                   	retq   
-    7f83:	b0 04                	mov    $0x4,%al
-    7f85:	eb 02                	jmp    7f89 <keyboard_interrupt+0xa5>
-    7f87:	b0 10                	mov    $0x10,%al
-    7f89:	80 3d e3 7e 00 00 00 	cmpb   $0x0,0x7ee3(%rip)        # fe73 <wait+0x11bf>
-    7f90:	74 02                	je     7f94 <keyboard_interrupt+0xb0>
-    7f92:	00 c0                	add    %al,%al
-    7f94:	08 05 e1 7e 00 00    	or     %al,0x7ee1(%rip)        # fe7b <wait+0x11c7>
-    7f9a:	c3                   	retq   
-    7f9b:	b0 04                	mov    $0x4,%al
-    7f9d:	eb 02                	jmp    7fa1 <keyboard_interrupt+0xbd>
-    7f9f:	b0 10                	mov    $0x10,%al
-    7fa1:	80 3d e3 7e 00 00 00 	cmpb   $0x0,0x7ee3(%rip)        # fe8b <wait+0x11d7>
-    7fa8:	74 02                	je     7fac <keyboard_interrupt+0xc8>
-    7faa:	00 c0                	add    %al,%al
-    7fac:	f6 d0                	not    %al
-    7fae:	20 05 e1 7e 00 00    	and    %al,0x7ee1(%rip)        # fe95 <wait+0x11e1>
-    7fb4:	c3                   	retq   
-    7fb5:	80 0d e1 7e 00 00 01 	orb    $0x1,0x7ee1(%rip)        # fe9d <wait+0x11e9>
-    7fbc:	c3                   	retq   
-    7fbd:	80 25 e1 7e 00 00 fe 	andb   $0xfe,0x7ee1(%rip)        # fea5 <wait+0x11f1>
-    7fc4:	c3                   	retq   
-    7fc5:	80 0d e1 7e 00 00 02 	orb    $0x2,0x7ee1(%rip)        # fead <wait+0x11f9>
-    7fcc:	c3                   	retq   
-    7fcd:	80 25 e1 7e 00 00 fd 	andb   $0xfd,0x7ee1(%rip)        # feb5 <wait+0x1201>
-    7fd4:	c3                   	retq   
-    7fd5:	f6 05 e1 7e 00 00 80 	testb  $0x80,0x7ee1(%rip)        # febd <wait+0x1209>
-    7fdc:	0f 85 8d 00 00 00    	jne    806f <keyboard_interrupt+0x18b>
-    7fe2:	80 35 e2 7e 00 00 04 	xorb   $0x4,0x7ee2(%rip)        # fecb <wait+0x1217>
-    7fe9:	80 35 e1 7e 00 00 40 	xorb   $0x40,0x7ee1(%rip)        # fed1 <wait+0x121d>
-    7ff0:	80 0d e1 7e 00 00 80 	orb    $0x80,0x7ee1(%rip)        # fed8 <wait+0x1224>
-    7ff7:	e8 9f 06 00 00       	callq  869b <keyboard_interrupt+0x7b7>
-    7ffc:	b0 ed                	mov    $0xed,%al
-    7ffe:	e6 60                	out    %al,$0x60
-    8000:	e8 96 06 00 00       	callq  869b <keyboard_interrupt+0x7b7>
-    8005:	a0 e2 7e 00 00 e6 60 	movabs 0x80c360e600007ee2,%al
-    800c:	c3 80 
-    800e:	25 e1 7e 00 00       	and    $0x7ee1,%eax
-    8013:	7f c3                	jg     7fd8 <keyboard_interrupt+0xf4>
-    8015:	80 35 e2 7e 00 00 01 	xorb   $0x1,0x7ee2(%rip)        # fefe <wait+0x124a>
-    801c:	eb d9                	jmp    7ff7 <keyboard_interrupt+0x113>
-    801e:	80 35 e2 7e 00 00 02 	xorb   $0x2,0x7ee2(%rip)        # ff07 <wait+0x1253>
-    8025:	eb d0                	jmp    7ff7 <keyboard_interrupt+0x113>
-    8027:	2c 47                	sub    $0x47,%al
-    8029:	72 44                	jb     806f <keyboard_interrupt+0x18b>
-    802b:	3c 0c                	cmp    $0xc,%al
-    802d:	77 40                	ja     806f <keyboard_interrupt+0x18b>
-    802f:	75 16                	jne    8047 <keyboard_interrupt+0x163>
-    8031:	f6 05 e1 7e 00 00 0c 	testb  $0xc,0x7ee1(%rip)        # ff19 <wait+0x1265>
-    8038:	74 0d                	je     8047 <keyboard_interrupt+0x163>
-    803a:	f6 05 e1 7e 00 00 30 	testb  $0x30,0x7ee1(%rip)        # ff22 <wait+0x126e>
-    8041:	0f 85 5d 06 00 00    	jne    86a4 <keyboard_interrupt+0x7c0>
-    8047:	80 3d e3 7e 00 00 01 	cmpb   $0x1,0x7ee3(%rip)        # ff31 <wait+0x127d>
-    804e:	74 20                	je     8070 <keyboard_interrupt+0x18c>
-    8050:	f6 05 e2 7e 00 00 02 	testb  $0x2,0x7ee2(%rip)        # ff39 <wait+0x1285>
-    8057:	74 17                	je     8070 <keyboard_interrupt+0x18c>
-    8059:	f6 05 e1 7e 00 00 03 	testb  $0x3,0x7ee1(%rip)        # ff41 <wait+0x128d>
-    8060:	75 0e                	jne    8070 <keyboard_interrupt+0x18c>
-    8062:	31 db                	xor    %ebx,%ebx
-    8064:	8a 80 8a 80 00 00    	mov    0x808a(%rax),%al
-    806a:	e9 db fe ff ff       	jmpq   7f4a <keyboard_interrupt+0x66>
-    806f:	c3                   	retq   
-    8070:	8a 80 97 80 00 00    	mov    0x8097(%rax),%al
-    8076:	3c 39                	cmp    $0x39,%al
-    8078:	77 02                	ja     807c <keyboard_interrupt+0x198>
-    807a:	b4 7e                	mov    $0x7e,%ah
-    807c:	c1 e0 10             	shl    $0x10,%eax
-    807f:	66 b8 1b 5b          	mov    $0x5b1b,%ax
-    8083:	31 db                	xor    %ebx,%ebx
-    8085:	e9 c0 fe ff ff       	jmpq   7f4a <keyboard_interrupt+0x66>
-    808a:	37                   	(bad)  
-    808b:	38 39                	cmp    %bh,(%rcx)
-    808d:	20 34 35 36 20 31 32 	and    %dh,0x32312036(,%rsi,1)
-    8094:	33 30                	xor    (%rax),%esi
-    8096:	2c 48                	sub    $0x48,%al
-    8098:	41 35 20 44 47 43    	rex.B xor $0x43474420,%eax
-    809e:	20 59 42             	and    %bl,0x42(%rcx)
-    80a1:	36 32 33             	xor    %ss:(%rbx),%dh
-    80a4:	2c 3b                	sub    $0x3b,%al
-    80a6:	72 21                	jb     80c9 <keyboard_interrupt+0x1e5>
-    80a8:	3c 09                	cmp    $0x9,%al
-    80aa:	76 0a                	jbe    80b6 <keyboard_interrupt+0x1d2>
-    80ac:	2c 12                	sub    $0x12,%al
-    80ae:	3c 0a                	cmp    $0xa,%al
-    80b0:	72 17                	jb     80c9 <keyboard_interrupt+0x1e5>
-    80b2:	3c 0b                	cmp    $0xb,%al
-    80b4:	77 13                	ja     80c9 <keyboard_interrupt+0x1e5>
-    80b6:	83 f9 04             	cmp    $0x4,%ecx
-    80b9:	7c 0e                	jl     80c9 <keyboard_interrupt+0x1e5>
-    80bb:	8b 04 85 ca 80 00 00 	mov    0x80ca(,%rax,4),%eax
-    80c2:	31 db                	xor    %ebx,%ebx
-    80c4:	e9 81 fe ff ff       	jmpq   7f4a <keyboard_interrupt+0x66>
-    80c9:	c3                   	retq   
-    80ca:	1b 5b 5b             	sbb    0x5b(%rbx),%ebx
-    80cd:	41 1b 5b 5b          	sbb    0x5b(%r11),%ebx
-    80d1:	42 1b 5b 5b          	rex.X sbb 0x5b(%rbx),%ebx
-    80d5:	43 1b 5b 5b          	rex.XB sbb 0x5b(%r11),%ebx
-    80d9:	44 1b 5b 5b          	sbb    0x5b(%rbx),%r11d
-    80dd:	45 1b 5b 5b          	sbb    0x5b(%r11),%r11d
-    80e1:	46 1b 5b 5b          	rex.RX sbb 0x5b(%rbx),%r11d
-    80e5:	47 1b 5b 5b          	rex.RXB sbb 0x5b(%r11),%r11d
-    80e9:	48 1b 5b 5b          	sbb    0x5b(%rbx),%rbx
-    80ed:	49 1b 5b 5b          	sbb    0x5b(%r11),%rbx
-    80f1:	4a 1b 5b 5b          	rex.WX sbb 0x5b(%rbx),%rbx
-    80f5:	4b 1b 5b 5b          	rex.WXB sbb 0x5b(%r11),%rbx
-    80f9:	4c 00 1b             	rex.WR add %r11b,(%rbx)
-    80fc:	31 32                	xor    %esi,(%rdx)
-    80fe:	33 34 35 36 37 38 39 	xor    0x39383736(,%rsi,1),%esi
-    8105:	30 2b                	xor    %ch,(%rbx)
-    8107:	27                   	(bad)  
-    8108:	7f 09                	jg     8113 <keyboard_interrupt+0x22f>
-    810a:	71 77                	jno    8183 <keyboard_interrupt+0x29f>
-    810c:	65 72 74             	gs jb  8183 <keyboard_interrupt+0x29f>
-    810f:	79 75                	jns    8186 <keyboard_interrupt+0x2a2>
-    8111:	69 6f 70 7d 00 0a 00 	imul   $0xa007d,0x70(%rdi),%ebp
-    8118:	61                   	(bad)  
-    8119:	73 64                	jae    817f <keyboard_interrupt+0x29b>
-    811b:	66 67 68 6a 6b       	addr32 pushw $0x6b6a
-    8120:	6c                   	insb   (%dx),%es:(%rdi)
-    8121:	7c 7b                	jl     819e <keyboard_interrupt+0x2ba>
-    8123:	00 00                	add    %al,(%rax)
-    8125:	27                   	(bad)  
-    8126:	7a 78                	jp     81a0 <keyboard_interrupt+0x2bc>
-    8128:	63 76 62             	movslq 0x62(%rsi),%esi
-    812b:	6e                   	outsb  %ds:(%rsi),(%dx)
-    812c:	6d                   	insl   (%dx),%es:(%rdi)
-    812d:	2c 2e                	sub    $0x2e,%al
-    812f:	2d 00 2a 00 20       	sub    $0x20002a00,%eax
-	...
-    8144:	2d 00 00 00 2b       	sub    $0x2b000000,%eax
-    8149:	00 00                	add    %al,(%rax)
-    814b:	00 00                	add    %al,(%rax)
-    814d:	00 00                	add    %al,(%rax)
-    814f:	00 3c 00             	add    %bh,(%rax,%rax,1)
-	...
-    815a:	00 00                	add    %al,(%rax)
-    815c:	1b 21                	sbb    (%rcx),%esp
-    815e:	22 23                	and    (%rbx),%ah
-    8160:	24 25                	and    $0x25,%al
-    8162:	26 2f                	es (bad) 
-    8164:	28 29                	sub    %ch,(%rcx)
-    8166:	3d 3f 60 7f 09       	cmp    $0x97f603f,%eax
-    816b:	51                   	push   %rcx
-    816c:	57                   	push   %rdi
-    816d:	45 52                	rex.RB push %r10
-    816f:	54                   	push   %rsp
-    8170:	59                   	pop    %rcx
-    8171:	55                   	push   %rbp
-    8172:	49                   	rex.WB
-    8173:	4f 50                	rex.WRXB push %r8
-    8175:	5d                   	pop    %rbp
-    8176:	5e                   	pop    %rsi
-    8177:	0a 00                	or     (%rax),%al
-    8179:	41 53                	push   %r11
-    817b:	44                   	rex.R
-    817c:	46                   	rex.RX
-    817d:	47                   	rex.RXB
-    817e:	48                   	rex.W
-    817f:	4a                   	rex.WX
-    8180:	4b                   	rex.WXB
-    8181:	4c 5c                	rex.WR pop %rsp
-    8183:	5b                   	pop    %rbx
-    8184:	00 00                	add    %al,(%rax)
-    8186:	2a 5a 58             	sub    0x58(%rdx),%bl
-    8189:	43 56                	rex.XB push %r14
-    818b:	42                   	rex.X
-    818c:	4e                   	rex.WRX
-    818d:	4d 3b 3a             	cmp    (%r10),%r15
-    8190:	5f                   	pop    %rdi
-    8191:	00 2a                	add    %ch,(%rdx)
-    8193:	00 20                	add    %ah,(%rax)
-	...
-    81a5:	2d 00 00 00 2b       	sub    $0x2b000000,%eax
-    81aa:	00 00                	add    %al,(%rax)
-    81ac:	00 00                	add    %al,(%rax)
-    81ae:	00 00                	add    %al,(%rax)
-    81b0:	00 3e                	add    %bh,(%rsi)
-	...
-    81be:	00 40 00             	add    %al,0x0(%rax)
-    81c1:	24 00                	and    $0x0,%al
-    81c3:	00 7b 5b             	add    %bh,0x5b(%rbx)
-    81c6:	5d                   	pop    %rbp
-    81c7:	7d 5c                	jge    8225 <keyboard_interrupt+0x341>
-	...
-    81d5:	00 00                	add    %al,(%rax)
-    81d7:	7e 0a                	jle    81e3 <keyboard_interrupt+0x2ff>
-	...
-    8211:	00 7c 00 00          	add    %bh,0x0(%rax,%rax,1)
-	...
-    821d:	8d 1d bc 81 00 00    	lea    0x81bc(%rip),%ebx        # 103df <wait+0x172b>
-    8223:	f6 05 e1 7e 00 00 20 	testb  $0x20,0x7ee1(%rip)        # 1010b <wait+0x1457>
-    822a:	75 15                	jne    8241 <keyboard_interrupt+0x35d>
-    822c:	8d 1d 5b 81 00 00    	lea    0x815b(%rip),%ebx        # 1038d <wait+0x16d9>
-    8232:	f6 05 e1 7e 00 00 03 	testb  $0x3,0x7ee1(%rip)        # 1011a <wait+0x1466>
-    8239:	75 06                	jne    8241 <keyboard_interrupt+0x35d>
-    823b:	8d 1d fa 80 00 00    	lea    0x80fa(%rip),%ebx        # 1033b <wait+0x1687>
-    8241:	8a 04 03             	mov    (%rbx,%rax,1),%al
-    8244:	08 c0                	or     %al,%al
-    8246:	74 3d                	je     8285 <keyboard_interrupt+0x3a1>
-    8248:	f6 05 e1 7e 00 00 4c 	testb  $0x4c,0x7ee1(%rip)        # 10130 <wait+0x147c>
-    824f:	74 0a                	je     825b <keyboard_interrupt+0x377>
-    8251:	3c 61                	cmp    $0x61,%al
-    8253:	72 06                	jb     825b <keyboard_interrupt+0x377>
-    8255:	3c 7a                	cmp    $0x7a,%al
-    8257:	77 02                	ja     825b <keyboard_interrupt+0x377>
-    8259:	2c 20                	sub    $0x20,%al
-    825b:	f6 05 e1 7e 00 00 0c 	testb  $0xc,0x7ee1(%rip)        # 10143 <wait+0x148f>
-    8262:	74 0a                	je     826e <keyboard_interrupt+0x38a>
-    8264:	3c 40                	cmp    $0x40,%al
-    8266:	72 06                	jb     826e <keyboard_interrupt+0x38a>
-    8268:	3c 60                	cmp    $0x60,%al
-    826a:	73 02                	jae    826e <keyboard_interrupt+0x38a>
-    826c:	2c 40                	sub    $0x40,%al
-    826e:	f6 05 e1 7e 00 00 10 	testb  $0x10,0x7ee1(%rip)        # 10156 <wait+0x14a2>
-    8275:	74 02                	je     8279 <keyboard_interrupt+0x395>
-    8277:	0c 80                	or     $0x80,%al
-    8279:	25 ff 00 00 00       	and    $0xff,%eax
-    827e:	31 db                	xor    %ebx,%ebx
-    8280:	e8 c5 fc ff ff       	callq  7f4a <keyboard_interrupt+0x66>
-    8285:	c3                   	retq   
-    8286:	80 3d e3 7e 00 00 01 	cmpb   $0x1,0x7ee3(%rip)        # 10170 <wait+0x14bc>
-    828d:	75 8e                	jne    821d <keyboard_interrupt+0x339>
-    828f:	b8 2f 00 00 00       	mov    $0x2f,%eax
-    8294:	31 db                	xor    %ebx,%ebx
-    8296:	e9 af fc ff ff       	jmpq   7f4a <keyboard_interrupt+0x66>
-    829b:	85 82 00 00 1d 82    	test   %eax,-0x7de30000(%rdx)
-    82a1:	00 00                	add    %al,(%rax)
-    82a3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82a8:	82                   	(bad)  
-    82a9:	00 00                	add    %al,(%rax)
-    82ab:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82b0:	82                   	(bad)  
-    82b1:	00 00                	add    %al,(%rax)
-    82b3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82b8:	82                   	(bad)  
-    82b9:	00 00                	add    %al,(%rax)
-    82bb:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82c0:	82                   	(bad)  
-    82c1:	00 00                	add    %al,(%rax)
-    82c3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82c8:	82                   	(bad)  
-    82c9:	00 00                	add    %al,(%rax)
-    82cb:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82d0:	82                   	(bad)  
-    82d1:	00 00                	add    %al,(%rax)
-    82d3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82d8:	82                   	(bad)  
-    82d9:	00 00                	add    %al,(%rax)
-    82db:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82e0:	82                   	(bad)  
-    82e1:	00 00                	add    %al,(%rax)
-    82e3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82e8:	82                   	(bad)  
-    82e9:	00 00                	add    %al,(%rax)
-    82eb:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82f0:	82                   	(bad)  
-    82f1:	00 00                	add    %al,(%rax)
-    82f3:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    82f8:	82                   	(bad)  
-    82f9:	00 00                	add    %al,(%rax)
-    82fb:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8300:	82                   	(bad)  
-    8301:	00 00                	add    %al,(%rax)
-    8303:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8308:	82                   	(bad)  
-    8309:	00 00                	add    %al,(%rax)
-    830b:	1d 82 00 00 83       	sbb    $0x83000082,%eax
-    8310:	7f 00                	jg     8312 <keyboard_interrupt+0x42e>
-    8312:	00 1d 82 00 00 1d    	add    %bl,0x1d000082(%rip)        # 1d00839a <end+0x1cfee192>
-    8318:	82                   	(bad)  
-    8319:	00 00                	add    %al,(%rax)
-    831b:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8320:	82                   	(bad)  
-    8321:	00 00                	add    %al,(%rax)
-    8323:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8328:	82                   	(bad)  
-    8329:	00 00                	add    %al,(%rax)
-    832b:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8330:	82                   	(bad)  
-    8331:	00 00                	add    %al,(%rax)
-    8333:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8338:	82                   	(bad)  
-    8339:	00 00                	add    %al,(%rax)
-    833b:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8340:	82                   	(bad)  
-    8341:	00 00                	add    %al,(%rax)
-    8343:	b5 7f                	mov    $0x7f,%ch
-    8345:	00 00                	add    %al,(%rax)
-    8347:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    834c:	82                   	(bad)  
-    834d:	00 00                	add    %al,(%rax)
-    834f:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8354:	82                   	(bad)  
-    8355:	00 00                	add    %al,(%rax)
-    8357:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    835c:	82                   	(bad)  
-    835d:	00 00                	add    %al,(%rax)
-    835f:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    8364:	82                   	(bad)  
-    8365:	00 00                	add    %al,(%rax)
-    8367:	1d 82 00 00 1d       	sbb    $0x1d000082,%eax
-    836c:	82                   	(bad)  
-    836d:	00 00                	add    %al,(%rax)
-    836f:	86 82 00 00 c5 7f    	xchg   %al,0x7fc50000(%rdx)
-    8375:	00 00                	add    %al,(%rax)
-    8377:	1d 82 00 00 87       	sbb    $0x87000082,%eax
-    837c:	7f 00                	jg     837e <keyboard_interrupt+0x49a>
-    837e:	00 1d 82 00 00 d5    	add    %bl,-0x2affff7e(%rip)        # ffffffffd5008406 <end+0xffffffffd4fee1fe>
-    8384:	7f 00                	jg     8386 <keyboard_interrupt+0x4a2>
-    8386:	00 a4 80 00 00 a4 80 	add    %ah,-0x7f5c0000(%rax,%rax,4)
-    838d:	00 00                	add    %al,(%rax)
-    838f:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    8390:	80 00 00             	addb   $0x0,(%rax)
-    8393:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    8394:	80 00 00             	addb   $0x0,(%rax)
-    8397:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    8398:	80 00 00             	addb   $0x0,(%rax)
-    839b:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    839c:	80 00 00             	addb   $0x0,(%rax)
-    839f:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    83a0:	80 00 00             	addb   $0x0,(%rax)
-    83a3:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    83a4:	80 00 00             	addb   $0x0,(%rax)
-    83a7:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    83a8:	80 00 00             	addb   $0x0,(%rax)
-    83ab:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    83ac:	80 00 00             	addb   $0x0,(%rax)
-    83af:	1e                   	(bad)  
-    83b0:	80 00 00             	addb   $0x0,(%rax)
-    83b3:	15 80 00 00 27       	adc    $0x27000080,%eax
-    83b8:	80 00 00             	addb   $0x0,(%rax)
-    83bb:	27                   	(bad)  
-    83bc:	80 00 00             	addb   $0x0,(%rax)
-    83bf:	27                   	(bad)  
-    83c0:	80 00 00             	addb   $0x0,(%rax)
-    83c3:	1d 82 00 00 27       	sbb    $0x27000082,%eax
-    83c8:	80 00 00             	addb   $0x0,(%rax)
-    83cb:	27                   	(bad)  
-    83cc:	80 00 00             	addb   $0x0,(%rax)
-    83cf:	27                   	(bad)  
-    83d0:	80 00 00             	addb   $0x0,(%rax)
-    83d3:	1d 82 00 00 27       	sbb    $0x27000082,%eax
-    83d8:	80 00 00             	addb   $0x0,(%rax)
-    83db:	27                   	(bad)  
-    83dc:	80 00 00             	addb   $0x0,(%rax)
-    83df:	27                   	(bad)  
-    83e0:	80 00 00             	addb   $0x0,(%rax)
-    83e3:	27                   	(bad)  
-    83e4:	80 00 00             	addb   $0x0,(%rax)
-    83e7:	27                   	(bad)  
-    83e8:	80 00 00             	addb   $0x0,(%rax)
-    83eb:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    83f1:	00 00                	add    %al,(%rax)
-    83f3:	1d 82 00 00 a4       	sbb    $0xa4000082,%eax
-    83f8:	80 00 00             	addb   $0x0,(%rax)
-    83fb:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
-    83fc:	80 00 00             	addb   $0x0,(%rax)
-    83ff:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8405:	00 00                	add    %al,(%rax)
-    8407:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    840d:	00 00                	add    %al,(%rax)
-    840f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8415:	00 00                	add    %al,(%rax)
-    8417:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    841d:	00 00                	add    %al,(%rax)
-    841f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8425:	00 00                	add    %al,(%rax)
-    8427:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    842d:	00 00                	add    %al,(%rax)
-    842f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8435:	00 00                	add    %al,(%rax)
-    8437:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    843d:	00 00                	add    %al,(%rax)
-    843f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8445:	00 00                	add    %al,(%rax)
-    8447:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    844d:	00 00                	add    %al,(%rax)
-    844f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8455:	00 00                	add    %al,(%rax)
-    8457:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    845d:	00 00                	add    %al,(%rax)
-    845f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8465:	00 00                	add    %al,(%rax)
-    8467:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    846d:	00 00                	add    %al,(%rax)
-    846f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8475:	00 00                	add    %al,(%rax)
-    8477:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    847d:	00 00                	add    %al,(%rax)
-    847f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8485:	00 00                	add    %al,(%rax)
-    8487:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    848d:	00 00                	add    %al,(%rax)
-    848f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8495:	00 00                	add    %al,(%rax)
-    8497:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    849d:	00 00                	add    %al,(%rax)
-    849f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84a5:	00 00                	add    %al,(%rax)
-    84a7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84ad:	00 00                	add    %al,(%rax)
-    84af:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84b5:	00 00                	add    %al,(%rax)
-    84b7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84bd:	00 00                	add    %al,(%rax)
-    84bf:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84c5:	00 00                	add    %al,(%rax)
-    84c7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84cd:	00 00                	add    %al,(%rax)
-    84cf:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84d5:	00 00                	add    %al,(%rax)
-    84d7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84dd:	00 00                	add    %al,(%rax)
-    84df:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84e5:	00 00                	add    %al,(%rax)
-    84e7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84ed:	00 00                	add    %al,(%rax)
-    84ef:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84f5:	00 00                	add    %al,(%rax)
-    84f7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    84fd:	00 00                	add    %al,(%rax)
-    84ff:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8505:	00 00                	add    %al,(%rax)
-    8507:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    850d:	00 00                	add    %al,(%rax)
-    850f:	9b                   	fwait
-    8510:	7f 00                	jg     8512 <keyboard_interrupt+0x62e>
-    8512:	00 85 82 00 00 85    	add    %al,-0x7affff7e(%rbp)
-    8518:	82                   	(bad)  
-    8519:	00 00                	add    %al,(%rax)
-    851b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8521:	00 00                	add    %al,(%rax)
-    8523:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8529:	00 00                	add    %al,(%rax)
-    852b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8531:	00 00                	add    %al,(%rax)
-    8533:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8539:	00 00                	add    %al,(%rax)
-    853b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8541:	00 00                	add    %al,(%rax)
-    8543:	bd 7f 00 00 85       	mov    $0x8500007f,%ebp
-    8548:	82                   	(bad)  
-    8549:	00 00                	add    %al,(%rax)
-    854b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8551:	00 00                	add    %al,(%rax)
-    8553:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8559:	00 00                	add    %al,(%rax)
-    855b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8561:	00 00                	add    %al,(%rax)
-    8563:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8569:	00 00                	add    %al,(%rax)
-    856b:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8571:	00 00                	add    %al,(%rax)
-    8573:	cd 7f                	int    $0x7f
-    8575:	00 00                	add    %al,(%rax)
-    8577:	85 82 00 00 9f 7f    	test   %eax,0x7f9f0000(%rdx)
-    857d:	00 00                	add    %al,(%rax)
-    857f:	85 82 00 00 0d 80    	test   %eax,-0x7ff30000(%rdx)
-    8585:	00 00                	add    %al,(%rax)
-    8587:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    858d:	00 00                	add    %al,(%rax)
-    858f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8595:	00 00                	add    %al,(%rax)
-    8597:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    859d:	00 00                	add    %al,(%rax)
-    859f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85a5:	00 00                	add    %al,(%rax)
-    85a7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85ad:	00 00                	add    %al,(%rax)
-    85af:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85b5:	00 00                	add    %al,(%rax)
-    85b7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85bd:	00 00                	add    %al,(%rax)
-    85bf:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85c5:	00 00                	add    %al,(%rax)
-    85c7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85cd:	00 00                	add    %al,(%rax)
-    85cf:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85d5:	00 00                	add    %al,(%rax)
-    85d7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85dd:	00 00                	add    %al,(%rax)
-    85df:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85e5:	00 00                	add    %al,(%rax)
-    85e7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85ed:	00 00                	add    %al,(%rax)
-    85ef:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85f5:	00 00                	add    %al,(%rax)
-    85f7:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    85fd:	00 00                	add    %al,(%rax)
-    85ff:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8605:	00 00                	add    %al,(%rax)
-    8607:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    860d:	00 00                	add    %al,(%rax)
-    860f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8615:	00 00                	add    %al,(%rax)
-    8617:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    861d:	00 00                	add    %al,(%rax)
-    861f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8625:	00 00                	add    %al,(%rax)
-    8627:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    862d:	00 00                	add    %al,(%rax)
-    862f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8635:	00 00                	add    %al,(%rax)
-    8637:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    863d:	00 00                	add    %al,(%rax)
-    863f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8645:	00 00                	add    %al,(%rax)
-    8647:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    864d:	00 00                	add    %al,(%rax)
-    864f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8655:	00 00                	add    %al,(%rax)
-    8657:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    865d:	00 00                	add    %al,(%rax)
-    865f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8665:	00 00                	add    %al,(%rax)
-    8667:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    866d:	00 00                	add    %al,(%rax)
-    866f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8675:	00 00                	add    %al,(%rax)
-    8677:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    867d:	00 00                	add    %al,(%rax)
-    867f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8685:	00 00                	add    %al,(%rax)
-    8687:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    868d:	00 00                	add    %al,(%rax)
-    868f:	85 82 00 00 85 82    	test   %eax,-0x7d7b0000(%rdx)
-    8695:	00 00                	add    %al,(%rax)
-    8697:	85 82 00 00 50 e4    	test   %eax,-0x1bb00000(%rdx)
-    869d:	64 a8 02             	fs test $0x2,%al
-    86a0:	75 fa                	jne    869c <keyboard_interrupt+0x7b8>
-    86a2:	58                   	pop    %rax
-    86a3:	c3                   	retq   
-    86a4:	e8 f2 ff ff ff       	callq  869b <keyboard_interrupt+0x7b7>
-    86a9:	66 c7 05 72 04 00 00 	movw   $0x1234,0x472(%rip)        # 8b24 <rs2_interrupt+0x464>
-    86b0:	34 12 
-    86b2:	b0 fc                	mov    $0xfc,%al
-    86b4:	e6 64                	out    %al,$0x64
-    86b6:	eb fe                	jmp    86b6 <keyboard_interrupt+0x7d2>
-
-00000000000086b8 <rs1_interrupt>:
-    86b8:	68 48 3e 01 00       	pushq  $0x13e48
-    86bd:	eb 06                	jmp    86c5 <rs2_interrupt+0x5>
-    86bf:	90                   	nop
-
-00000000000086c0 <rs2_interrupt>:
-    86c0:	68 50 3e 01 00       	pushq  $0x13e50
-    86c5:	52                   	push   %rdx
-    86c6:	51                   	push   %rcx
-    86c7:	53                   	push   %rbx
-    86c8:	50                   	push   %rax
-    86c9:	06                   	(bad)  
-    86ca:	1e                   	(bad)  
-    86cb:	6a 10                	pushq  $0x10
-    86cd:	1f                   	(bad)  
-    86ce:	6a 10                	pushq  $0x10
-    86d0:	07                   	(bad)  
-    86d1:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    86d5:	8b 12                	mov    (%rdx),%edx
-    86d7:	8b 12                	mov    (%rdx),%edx
-    86d9:	83 c2 02             	add    $0x2,%edx
-    86dc:	31 c0                	xor    %eax,%eax
-    86de:	ec                   	in     (%dx),%al
-    86df:	a8 01                	test   $0x1,%al
-    86e1:	75 16                	jne    86f9 <rs2_interrupt+0x39>
-    86e3:	3c 06                	cmp    $0x6,%al
-    86e5:	77 12                	ja     86f9 <rs2_interrupt+0x39>
-    86e7:	8b 4c 24 18          	mov    0x18(%rsp),%ecx
-    86eb:	52                   	push   %rdx
-    86ec:	83 ea 02             	sub    $0x2,%edx
-    86ef:	ff 14 45 07 87 00 00 	callq  *0x8707(,%rax,2)
-    86f6:	5a                   	pop    %rdx
-    86f7:	eb e3                	jmp    86dc <rs2_interrupt+0x1c>
-    86f9:	b0 20                	mov    $0x20,%al
-    86fb:	e6 20                	out    %al,$0x20
-    86fd:	1f                   	(bad)  
-    86fe:	07                   	(bad)  
-    86ff:	58                   	pop    %rax
-    8700:	5b                   	pop    %rbx
-    8701:	59                   	pop    %rcx
-    8702:	5a                   	pop    %rdx
-    8703:	83 c4 04             	add    $0x4,%esp
-    8706:	cf                   	iret   
-    8707:	18 87 00 00 52 87    	sbb    %al,-0x78ae0000(%rdi)
-    870d:	00 00                	add    %al,(%rax)
-    870f:	24 87                	and    $0x87,%al
-    8711:	00 00                	add    %al,(%rax)
-    8713:	1e                   	(bad)  
-    8714:	87 00                	xchg   %eax,(%rax)
-    8716:	00 90 83 c2 06 ec    	add    %dl,-0x13f93d7d(%rax)
-    871c:	c3                   	retq   
-    871d:	90                   	nop
-    871e:	83 c2 05             	add    $0x5,%edx
-    8721:	ec                   	in     (%dx),%al
-    8722:	c3                   	retq   
-    8723:	90                   	nop
-    8724:	ec                   	in     (%dx),%al
-    8725:	89 ca                	mov    %ecx,%edx
-    8727:	81 ea 40 3e 01 00    	sub    $0x13e40,%edx
-    872d:	c1 ea 03             	shr    $0x3,%edx
-    8730:	8b 09                	mov    (%rcx),%ecx
-    8732:	8b 59 04             	mov    0x4(%rcx),%ebx
-    8735:	88 44 19 10          	mov    %al,0x10(%rcx,%rbx,1)
-    8739:	43 81 e3 ff 03 00 00 	rex.XB and $0x3ff,%r11d
-    8740:	3b 59 08             	cmp    0x8(%rcx),%ebx
-    8743:	74 0c                	je     8751 <rs2_interrupt+0x91>
-    8745:	89 59 04             	mov    %ebx,0x4(%rcx)
-    8748:	52                   	push   %rdx
-    8749:	e8 de ea ff ff       	callq  722c <do_tty_interrupt>
-    874e:	83 c4 04             	add    $0x4,%esp
-    8751:	c3                   	retq   
-    8752:	8b 49 04             	mov    0x4(%rcx),%ecx
-    8755:	8b 59 04             	mov    0x4(%rcx),%ebx
-    8758:	2b 59 08             	sub    0x8(%rcx),%ebx
-    875b:	81 e3 ff 03 00 00    	and    $0x3ff,%ebx
-    8761:	74 2d                	je     8790 <rs2_interrupt+0xd0>
-    8763:	81 fb 00 01 00 00    	cmp    $0x100,%ebx
-    8769:	77 0d                	ja     8778 <rs2_interrupt+0xb8>
-    876b:	8b 59 0c             	mov    0xc(%rcx),%ebx
-    876e:	85 db                	test   %ebx,%ebx
-    8770:	74 06                	je     8778 <rs2_interrupt+0xb8>
-    8772:	c7 03 00 00 00 00    	movl   $0x0,(%rbx)
-    8778:	8b 59 08             	mov    0x8(%rcx),%ebx
-    877b:	8a 44 19 10          	mov    0x10(%rcx,%rbx,1),%al
-    877f:	ee                   	out    %al,(%dx)
-    8780:	43 81 e3 ff 03 00 00 	rex.XB and $0x3ff,%r11d
-    8787:	89 59 08             	mov    %ebx,0x8(%rcx)
-    878a:	3b 59 04             	cmp    0x4(%rcx),%ebx
-    878d:	74 01                	je     8790 <rs2_interrupt+0xd0>
-    878f:	c3                   	retq   
-    8790:	8b 59 0c             	mov    0xc(%rcx),%ebx
-    8793:	85 db                	test   %ebx,%ebx
-    8795:	74 06                	je     879d <rs2_interrupt+0xdd>
-    8797:	c7 03 00 00 00 00    	movl   $0x0,(%rbx)
-    879d:	42 ec                	rex.X in (%dx),%al
-    879f:	eb 00                	jmp    87a1 <rs2_interrupt+0xe1>
-    87a1:	eb 00                	jmp    87a3 <rs2_interrupt+0xe3>
-    87a3:	24 0d                	and    $0xd,%al
-    87a5:	ee                   	out    %al,(%dx)
-    87a6:	c3                   	retq   
-    87a7:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    87ac:	ec                   	in     (%dx),%al
-    87ad:	88 c2                	mov    %al,%dl
-    87af:	83 e2 f1             	and    $0xfffffff1,%edx
-    87b2:	80 fa 50             	cmp    $0x50,%dl
-    87b5:	74 10                	je     87c7 <rs2_interrupt+0x107>
-    87b7:	a8 01                	test   $0x1,%al
-    87b9:	74 12                	je     87cd <rs2_interrupt+0x10d>
-    87bb:	ba f1 01 00 00       	mov    $0x1f1,%edx
-    87c0:	ec                   	in     (%dx),%al
-    87c1:	b8 01 00 00 00       	mov    $0x1,%eax
-    87c6:	c3                   	retq   
-    87c7:	b8 00 00 00 00       	mov    $0x0,%eax
-    87cc:	c3                   	retq   
-    87cd:	b8 01 00 00 00       	mov    $0x1,%eax
-    87d2:	c3                   	retq   
-    87d3:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    87d8:	ec                   	in     (%dx),%al
-    87d9:	83 e0 c0             	and    $0xffffffc0,%eax
-    87dc:	3c 40                	cmp    $0x40,%al
-    87de:	74 10                	je     87f0 <rs2_interrupt+0x130>
-    87e0:	b9 9f 86 01 00       	mov    $0x1869f,%ecx
-    87e5:	ec                   	in     (%dx),%al
-    87e6:	83 e0 c0             	and    $0xffffffc0,%eax
-    87e9:	3c 40                	cmp    $0x40,%al
-    87eb:	74 03                	je     87f0 <rs2_interrupt+0x130>
-    87ed:	49 75 f5             	rex.WB jne 87e5 <rs2_interrupt+0x125>
-    87f0:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    87f5:	ec                   	in     (%dx),%al
-    87f6:	b8 00 00 00 00       	mov    $0x0,%eax
-    87fb:	c3                   	retq   
-    87fc:	57                   	push   %rdi
-    87fd:	56                   	push   %rsi
-    87fe:	53                   	push   %rbx
-    87ff:	89 c3                	mov    %eax,%ebx
-    8801:	89 d7                	mov    %edx,%edi
-    8803:	89 ce                	mov    %ecx,%esi
-    8805:	83 f8 01             	cmp    $0x1,%eax
-    8808:	77 07                	ja     8811 <rs2_interrupt+0x151>
-    880a:	83 7c 24 10 0f       	cmpl   $0xf,0x10(%rsp)
-    880f:	76 10                	jbe    8821 <rs2_interrupt+0x161>
-    8811:	83 ec 0c             	sub    $0xc,%esp
-    8814:	68 cb f2 00 00       	pushq  $0xf2cb
-    8819:	e8 65 dc ff ff       	callq  6483 <panic>
-    881e:	83 c4 10             	add    $0x10,%esp
-    8821:	b9 e7 03 00 00       	mov    $0x3e7,%ecx
-    8826:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    882b:	ec                   	in     (%dx),%al
-    882c:	83 e0 c0             	and    $0xffffffc0,%eax
-    882f:	3c 40                	cmp    $0x40,%al
-    8831:	74 13                	je     8846 <rs2_interrupt+0x186>
-    8833:	49 75 f5             	rex.WB jne 882b <rs2_interrupt+0x16b>
-    8836:	83 ec 0c             	sub    $0xc,%esp
-    8839:	68 e6 f2 00 00       	pushq  $0xf2e6
-    883e:	e8 40 dc ff ff       	callq  6483 <panic>
-    8843:	83 c4 10             	add    $0x10,%esp
-    8846:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    884a:	a3 c0 6d 01 00 b8 00 	movabs %eax,0xb800016dc0
-    8851:	00 00 
-    8853:	00 ba f6 03 00 00    	add    %bh,0x3f6(%rdx)
-    8859:	ee                   	out    %al,(%dx)
-    885a:	ba f1 01 00 00       	mov    $0x1f1,%edx
-    885f:	b8 4b 00 00 00       	mov    $0x4b,%eax
-    8864:	ee                   	out    %al,(%dx)
-    8865:	eb 00                	jmp    8867 <rs2_interrupt+0x1a7>
-    8867:	eb 00                	jmp    8869 <rs2_interrupt+0x1a9>
-    8869:	ba f2 01 00 00       	mov    $0x1f2,%edx
-    886e:	89 f8                	mov    %edi,%eax
-    8870:	ee                   	out    %al,(%dx)
-    8871:	eb 00                	jmp    8873 <rs2_interrupt+0x1b3>
-    8873:	eb 00                	jmp    8875 <rs2_interrupt+0x1b5>
-    8875:	ba f3 01 00 00       	mov    $0x1f3,%edx
-    887a:	89 f0                	mov    %esi,%eax
-    887c:	ee                   	out    %al,(%dx)
-    887d:	eb 00                	jmp    887f <rs2_interrupt+0x1bf>
-    887f:	eb 00                	jmp    8881 <rs2_interrupt+0x1c1>
-    8881:	ba f4 01 00 00       	mov    $0x1f4,%edx
-    8886:	8b 44 24 14          	mov    0x14(%rsp),%eax
-    888a:	ee                   	out    %al,(%dx)
-    888b:	eb 00                	jmp    888d <rs2_interrupt+0x1cd>
-    888d:	eb 00                	jmp    888f <rs2_interrupt+0x1cf>
-    888f:	c1 e8 08             	shr    $0x8,%eax
-    8892:	ba f5 01 00 00       	mov    $0x1f5,%edx
-    8897:	ee                   	out    %al,(%dx)
-    8898:	eb 00                	jmp    889a <rs2_interrupt+0x1da>
-    889a:	eb 00                	jmp    889c <rs2_interrupt+0x1dc>
-    889c:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    88a0:	0c a0                	or     $0xa0,%al
-    88a2:	c1 e3 04             	shl    $0x4,%ebx
-    88a5:	09 d8                	or     %ebx,%eax
-    88a7:	ba f6 01 00 00       	mov    $0x1f6,%edx
-    88ac:	ee                   	out    %al,(%dx)
-    88ad:	eb 00                	jmp    88af <rs2_interrupt+0x1ef>
-    88af:	eb 00                	jmp    88b1 <rs2_interrupt+0x1f1>
-    88b1:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    88b6:	8b 44 24 18          	mov    0x18(%rsp),%eax
-    88ba:	ee                   	out    %al,(%dx)
-    88bb:	5b                   	pop    %rbx
-    88bc:	5e                   	pop    %rsi
-    88bd:	5f                   	pop    %rdi
-    88be:	c3                   	retq   
-    88bf:	56                   	push   %rsi
-    88c0:	53                   	push   %rbx
-    88c1:	83 ec 04             	sub    $0x4,%esp
-    88c4:	89 c6                	mov    %eax,%esi
-    88c6:	b8 04 00 00 00       	mov    $0x4,%eax
-    88cb:	ba f6 03 00 00       	mov    $0x3f6,%edx
-    88d0:	ee                   	out    %al,(%dx)
-    88d1:	b8 e8 03 00 00       	mov    $0x3e8,%eax
-    88d6:	90                   	nop
-    88d7:	48 75 fc             	rex.W jne 88d6 <rs2_interrupt+0x216>
-    88da:	b8 00 00 00 00       	mov    $0x0,%eax
-    88df:	ba f6 03 00 00       	mov    $0x3f6,%edx
-    88e4:	ee                   	out    %al,(%dx)
-    88e5:	bb 10 27 00 00       	mov    $0x2710,%ebx
-    88ea:	e8 e4 fe ff ff       	callq  87d3 <rs2_interrupt+0x113>
-    88ef:	85 c0                	test   %eax,%eax
-    88f1:	74 03                	je     88f6 <rs2_interrupt+0x236>
-    88f3:	4b 75 f4             	rex.WXB jne 88ea <rs2_interrupt+0x22a>
-    88f6:	e8 d8 fe ff ff       	callq  87d3 <rs2_interrupt+0x113>
-    88fb:	85 c0                	test   %eax,%eax
-    88fd:	75 47                	jne    8946 <rs2_interrupt+0x286>
-    88ff:	ba 01 00 00 00       	mov    $0x1,%edx
-    8904:	ec                   	in     (%dx),%al
-    8905:	0f b6 c0             	movzbl %al,%eax
-    8908:	83 f8 01             	cmp    $0x1,%eax
-    890b:	74 11                	je     891e <rs2_interrupt+0x25e>
-    890d:	83 ec 08             	sub    $0x8,%esp
-    8910:	50                   	push   %rax
-    8911:	68 58 f8 00 00       	pushq  $0xf858
-    8916:	e8 93 db ff ff       	callq  64ae <printk>
-    891b:	83 c4 10             	add    $0x10,%esp
-    891e:	68 58 89 00 00       	pushq  $0x8958
-    8923:	68 91 00 00 00       	pushq  $0x91
-    8928:	68 d1 03 00 00       	pushq  $0x3d1
-    892d:	6a 04                	pushq  $0x4
-    892f:	b9 11 00 00 00       	mov    $0x11,%ecx
-    8934:	ba 11 00 00 00       	mov    $0x11,%edx
-    8939:	89 f0                	mov    %esi,%eax
-    893b:	e8 bc fe ff ff       	callq  87fc <rs2_interrupt+0x13c>
-    8940:	83 c4 14             	add    $0x14,%esp
-    8943:	5b                   	pop    %rbx
-    8944:	5e                   	pop    %rsi
-    8945:	c3                   	retq   
-    8946:	83 ec 0c             	sub    $0xc,%esp
-    8949:	68 fe f2 00 00       	pushq  $0xf2fe
-    894e:	e8 5b db ff ff       	callq  64ae <printk>
-    8953:	83 c4 10             	add    $0x10,%esp
-    8956:	eb a7                	jmp    88ff <rs2_interrupt+0x23f>
-    8958:	83 3d c8 6d 01 00 00 	cmpl   $0x0,0x16dc8(%rip)        # 1f727 <end+0x551f>
-    895f:	0f 85 cd 00 00 00    	jne    8a32 <rs2_interrupt+0x372>
-    8965:	a1 cc 6d 01 00 85 c0 	movabs 0x2a74c08500016dcc,%eax
-    896c:	74 2a 
-    896e:	56                   	push   %rsi
-    896f:	83 ec 08             	sub    $0x8,%esp
-    8972:	8b 50 14             	mov    0x14(%rax),%edx
-    8975:	83 fa 30             	cmp    $0x30,%edx
-    8978:	74 29                	je     89a3 <rs2_interrupt+0x2e3>
-    897a:	83 fa 20             	cmp    $0x20,%edx
-    897d:	0f 84 8d 00 00 00    	je     8a10 <rs2_interrupt+0x350>
-    8983:	83 ec 0c             	sub    $0xc,%esp
-    8986:	68 19 f3 00 00       	pushq  $0xf319
-    898b:	e8 f3 da ff ff       	callq  6483 <panic>
-    8990:	83 c4 10             	add    $0x10,%esp
-    8993:	83 c4 08             	add    $0x8,%esp
-    8996:	5e                   	pop    %rsi
-    8997:	c3                   	retq   
-    8998:	c7 05 c0 6d 01 00 00 	movl   $0x0,0x16dc0(%rip)        # 1f762 <end+0x555a>
-    899f:	00 00 00 
-    89a2:	c3                   	retq   
-    89a3:	8b 48 08             	mov    0x8(%rax),%ecx
-    89a6:	8b 50 04             	mov    0x4(%rax),%edx
-    89a9:	68 72 8d 00 00       	pushq  $0x8d72
-    89ae:	6a 30                	pushq  $0x30
-    89b0:	ff 70 10             	pushq  0x10(%rax)
-    89b3:	ff 70 0c             	pushq  0xc(%rax)
-    89b6:	8b 00                	mov    (%rax),%eax
-    89b8:	e8 3f fe ff ff       	callq  87fc <rs2_interrupt+0x13c>
-    89bd:	ba f7 01 00 00       	mov    $0x1f7,%edx
-    89c2:	ec                   	in     (%dx),%al
-    89c3:	eb 00                	jmp    89c5 <rs2_interrupt+0x305>
-    89c5:	eb 00                	jmp    89c7 <rs2_interrupt+0x307>
-    89c7:	83 c4 10             	add    $0x10,%esp
-    89ca:	b9 b7 0b 00 00       	mov    $0xbb7,%ecx
-    89cf:	a8 08                	test   $0x8,%al
-    89d1:	75 1a                	jne    89ed <rs2_interrupt+0x32d>
-    89d3:	ec                   	in     (%dx),%al
-    89d4:	eb 00                	jmp    89d6 <rs2_interrupt+0x316>
-    89d6:	eb 00                	jmp    89d8 <rs2_interrupt+0x318>
-    89d8:	a8 08                	test   $0x8,%al
-    89da:	75 11                	jne    89ed <rs2_interrupt+0x32d>
-    89dc:	49 75 f4             	rex.WB jne 89d3 <rs2_interrupt+0x313>
-    89df:	a1 cc 6d 01 00 8b 00 	movabs 0xd4e8008b00016dcc,%eax
-    89e6:	e8 d4 
-    89e8:	fe                   	(bad)  
-    89e9:	ff                   	(bad)  
-    89ea:	ff                   	(bad)  
-    89eb:	eb a6                	jmp    8993 <rs2_interrupt+0x2d3>
-    89ed:	a1 cc 6d 01 00 8b 50 	movabs 0x8b1c508b00016dcc,%eax
-    89f4:	1c 8b 
-    89f6:	70 04                	jo     89fc <rs2_interrupt+0x33c>
-    89f8:	83 e6 01             	and    $0x1,%esi
-    89fb:	c1 e6 09             	shl    $0x9,%esi
-    89fe:	03 32                	add    (%rdx),%esi
-    8a00:	ba f0 01 00 00       	mov    $0x1f0,%edx
-    8a05:	b9 00 01 00 00       	mov    $0x100,%ecx
-    8a0a:	fc                   	cld    
-    8a0b:	f3 66 6f             	rep outsw %ds:(%rsi),(%dx)
-    8a0e:	eb 83                	jmp    8993 <rs2_interrupt+0x2d3>
-    8a10:	8b 48 08             	mov    0x8(%rax),%ecx
-    8a13:	8b 50 04             	mov    0x4(%rax),%edx
-    8a16:	68 ba 8c 00 00       	pushq  $0x8cba
-    8a1b:	6a 20                	pushq  $0x20
-    8a1d:	ff 70 10             	pushq  0x10(%rax)
-    8a20:	ff 70 0c             	pushq  0xc(%rax)
-    8a23:	8b 00                	mov    (%rax),%eax
-    8a25:	e8 d2 fd ff ff       	callq  87fc <rs2_interrupt+0x13c>
-    8a2a:	83 c4 10             	add    $0x10,%esp
-    8a2d:	e9 61 ff ff ff       	jmpq   8993 <rs2_interrupt+0x2d3>
-    8a32:	c3                   	retq   
-    8a33:	55                   	push   %rbp
-    8a34:	57                   	push   %rdi
-    8a35:	56                   	push   %rsi
-    8a36:	53                   	push   %rbx
-    8a37:	83 ec 1c             	sub    $0x1c,%esp
-    8a3a:	89 c3                	mov    %eax,%ebx
-    8a3c:	89 d6                	mov    %edx,%esi
-    8a3e:	89 cf                	mov    %ecx,%edi
-    8a40:	8b 6c 24 38          	mov    0x38(%rsp),%ebp
-    8a44:	83 f8 01             	cmp    $0x1,%eax
-    8a47:	77 0c                	ja     8a55 <rs2_interrupt+0x395>
-    8a49:	80 7d 0b 00          	cmpb   $0x0,0xb(%rbp)
-    8a4d:	75 18                	jne    8a67 <rs2_interrupt+0x3a7>
-    8a4f:	c6 45 0b 01          	movb   $0x1,0xb(%rbp)
-    8a53:	eb 3f                	jmp    8a94 <rs2_interrupt+0x3d4>
-    8a55:	83 ec 0c             	sub    $0xc,%esp
-    8a58:	68 2c f3 00 00       	pushq  $0xf32c
-    8a5d:	e8 21 da ff ff       	callq  6483 <panic>
-    8a62:	83 c4 10             	add    $0x10,%esp
-    8a65:	eb e2                	jmp    8a49 <rs2_interrupt+0x389>
-    8a67:	83 ec 0c             	sub    $0xc,%esp
-    8a6a:	68 48 f3 00 00       	pushq  $0xf348
-    8a6f:	e8 3a da ff ff       	callq  64ae <printk>
-    8a74:	83 c4 10             	add    $0x10,%esp
-    8a77:	eb d6                	jmp    8a4f <rs2_interrupt+0x38f>
-    8a79:	3d 60 72 01 00       	cmp    $0x17260,%eax
-    8a7e:	0f 85 47 01 00 00    	jne    8bcb <rs2_interrupt+0x50b>
-    8a84:	83 ec 0c             	sub    $0xc,%esp
-    8a87:	68 c4 6d 01 00       	pushq  $0x16dc4
-    8a8c:	e8 cf cb ff ff       	callq  5660 <sleep_on>
-    8a91:	83 c4 10             	add    $0x10,%esp
-    8a94:	83 3d e0 6d 01 00 00 	cmpl   $0x0,0x16de0(%rip)        # 1f87b <end+0x5673>
-    8a9b:	0f 88 25 01 00 00    	js     8bc6 <rs2_interrupt+0x506>
-    8aa1:	b8 04 6e 01 00       	mov    $0x16e04,%eax
-    8aa6:	83 38 00             	cmpl   $0x0,(%rax)
-    8aa9:	0f 88 1c 01 00 00    	js     8bcb <rs2_interrupt+0x50b>
-    8aaf:	83 c0 24             	add    $0x24,%eax
-    8ab2:	3d 60 72 01 00       	cmp    $0x17260,%eax
-    8ab7:	72 ed                	jb     8aa6 <rs2_interrupt+0x3e6>
-    8ab9:	eb be                	jmp    8a79 <rs2_interrupt+0x3b9>
-    8abb:	a3 cc 6d 01 00 e9 c2 	movabs %eax,0xc2e900016dcc
-    8ac2:	00 00 
-    8ac4:	00 8b 7b 10 39 7c    	add    %cl,0x7c39107b(%rbx)
-    8aca:	24 04                	and    $0x4,%al
-    8acc:	7f 1e                	jg     8aec <rs2_interrupt+0x42c>
-    8ace:	39 7c 24 04          	cmp    %edi,0x4(%rsp)
-    8ad2:	75 39                	jne    8b0d <rs2_interrupt+0x44d>
-    8ad4:	8b 7b 0c             	mov    0xc(%rbx),%edi
-    8ad7:	39 7c 24 08          	cmp    %edi,0x8(%rsp)
-    8adb:	7f 0f                	jg     8aec <rs2_interrupt+0x42c>
-    8add:	39 7c 24 08          	cmp    %edi,0x8(%rsp)
-    8ae1:	75 2a                	jne    8b0d <rs2_interrupt+0x44d>
-    8ae3:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    8ae7:	3b 7b 08             	cmp    0x8(%rbx),%edi
-    8aea:	7e 21                	jle    8b0d <rs2_interrupt+0x44d>
-    8aec:	8b 32                	mov    (%rdx),%esi
-    8aee:	39 f1                	cmp    %esi,%ecx
-    8af0:	0f 8c 8b 00 00 00    	jl     8b81 <rs2_interrupt+0x4c1>
-    8af6:	39 f1                	cmp    %esi,%ecx
-    8af8:	74 45                	je     8b3f <rs2_interrupt+0x47f>
-    8afa:	89 d3                	mov    %edx,%ebx
-    8afc:	8b 53 20             	mov    0x20(%rbx),%edx
-    8aff:	85 d2                	test   %edx,%edx
-    8b01:	74 7e                	je     8b81 <rs2_interrupt+0x4c1>
-    8b03:	8b 33                	mov    (%rbx),%esi
-    8b05:	39 f1                	cmp    %esi,%ecx
-    8b07:	7f e3                	jg     8aec <rs2_interrupt+0x42c>
-    8b09:	39 f1                	cmp    %esi,%ecx
-    8b0b:	74 b8                	je     8ac5 <rs2_interrupt+0x405>
-    8b0d:	8b 3a                	mov    (%rdx),%edi
-    8b0f:	39 fe                	cmp    %edi,%esi
-    8b11:	7c 5f                	jl     8b72 <rs2_interrupt+0x4b2>
-    8b13:	39 fe                	cmp    %edi,%esi
-    8b15:	75 d5                	jne    8aec <rs2_interrupt+0x42c>
-    8b17:	8b 7b 10             	mov    0x10(%rbx),%edi
-    8b1a:	8b 72 10             	mov    0x10(%rdx),%esi
-    8b1d:	39 f7                	cmp    %esi,%edi
-    8b1f:	7c 55                	jl     8b76 <rs2_interrupt+0x4b6>
-    8b21:	39 f7                	cmp    %esi,%edi
-    8b23:	75 c7                	jne    8aec <rs2_interrupt+0x42c>
-    8b25:	8b 7b 0c             	mov    0xc(%rbx),%edi
-    8b28:	8b 72 0c             	mov    0xc(%rdx),%esi
-    8b2b:	39 f7                	cmp    %esi,%edi
-    8b2d:	7c 4b                	jl     8b7a <rs2_interrupt+0x4ba>
-    8b2f:	39 f7                	cmp    %esi,%edi
-    8b31:	75 b9                	jne    8aec <rs2_interrupt+0x42c>
-    8b33:	8b 7a 08             	mov    0x8(%rdx),%edi
-    8b36:	39 7b 08             	cmp    %edi,0x8(%rbx)
-    8b39:	7d b1                	jge    8aec <rs2_interrupt+0x42c>
-    8b3b:	89 d3                	mov    %edx,%ebx
-    8b3d:	eb bd                	jmp    8afc <rs2_interrupt+0x43c>
-    8b3f:	8b 72 10             	mov    0x10(%rdx),%esi
-    8b42:	8b 7c 24 04          	mov    0x4(%rsp),%edi
-    8b46:	39 f7                	cmp    %esi,%edi
-    8b48:	7c 37                	jl     8b81 <rs2_interrupt+0x4c1>
-    8b4a:	39 f7                	cmp    %esi,%edi
-    8b4c:	74 04                	je     8b52 <rs2_interrupt+0x492>
-    8b4e:	89 d3                	mov    %edx,%ebx
-    8b50:	eb aa                	jmp    8afc <rs2_interrupt+0x43c>
-    8b52:	8b 72 0c             	mov    0xc(%rdx),%esi
-    8b55:	8b 7c 24 08          	mov    0x8(%rsp),%edi
-    8b59:	39 f7                	cmp    %esi,%edi
-    8b5b:	7c 24                	jl     8b81 <rs2_interrupt+0x4c1>
-    8b5d:	39 f7                	cmp    %esi,%edi
-    8b5f:	74 04                	je     8b65 <rs2_interrupt+0x4a5>
-    8b61:	89 d3                	mov    %edx,%ebx
-    8b63:	eb 97                	jmp    8afc <rs2_interrupt+0x43c>
-    8b65:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    8b69:	3b 7a 08             	cmp    0x8(%rdx),%edi
-    8b6c:	7c 13                	jl     8b81 <rs2_interrupt+0x4c1>
-    8b6e:	89 d3                	mov    %edx,%ebx
-    8b70:	eb 8a                	jmp    8afc <rs2_interrupt+0x43c>
-    8b72:	89 d3                	mov    %edx,%ebx
-    8b74:	eb 86                	jmp    8afc <rs2_interrupt+0x43c>
-    8b76:	89 d3                	mov    %edx,%ebx
-    8b78:	eb 82                	jmp    8afc <rs2_interrupt+0x43c>
-    8b7a:	89 d3                	mov    %edx,%ebx
-    8b7c:	e9 7b ff ff ff       	jmpq   8afc <rs2_interrupt+0x43c>
-    8b81:	89 50 20             	mov    %edx,0x20(%rax)
-    8b84:	89 43 20             	mov    %eax,0x20(%rbx)
-    8b87:	c7 05 c8 6d 01 00 00 	movl   $0x0,0x16dc8(%rip)        # 1f959 <end+0x5751>
-    8b8e:	00 00 00 
-    8b91:	83 3d c0 6d 01 00 00 	cmpl   $0x0,0x16dc0(%rip)        # 1f958 <end+0x5750>
-    8b98:	74 25                	je     8bbf <rs2_interrupt+0x4ff>
-    8b9a:	fa                   	cli    
-    8b9b:	80 7d 0b 00          	cmpb   $0x0,0xb(%rbp)
-    8b9f:	74 15                	je     8bb6 <rs2_interrupt+0x4f6>
-    8ba1:	8d 5d 0c             	lea    0xc(%rbp),%ebx
-    8ba4:	83 ec 0c             	sub    $0xc,%esp
-    8ba7:	53                   	push   %rbx
-    8ba8:	e8 b3 ca ff ff       	callq  5660 <sleep_on>
-    8bad:	83 c4 10             	add    $0x10,%esp
-    8bb0:	80 7d 0b 00          	cmpb   $0x0,0xb(%rbp)
-    8bb4:	75 ee                	jne    8ba4 <rs2_interrupt+0x4e4>
-    8bb6:	fb                   	sti    
-    8bb7:	83 c4 1c             	add    $0x1c,%esp
-    8bba:	5b                   	pop    %rbx
-    8bbb:	5e                   	pop    %rsi
-    8bbc:	5f                   	pop    %rdi
-    8bbd:	5d                   	pop    %rbp
-    8bbe:	c3                   	retq   
-    8bbf:	e8 94 fd ff ff       	callq  8958 <rs2_interrupt+0x298>
-    8bc4:	eb d4                	jmp    8b9a <rs2_interrupt+0x4da>
-    8bc6:	b8 e0 6d 01 00       	mov    $0x16de0,%eax
-    8bcb:	89 f1                	mov    %esi,%ecx
-    8bcd:	89 30                	mov    %esi,(%rax)
-    8bcf:	c7 40 04 02 00 00 00 	movl   $0x2,0x4(%rax)
-    8bd6:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
-    8bda:	89 78 08             	mov    %edi,0x8(%rax)
-    8bdd:	8b 7c 24 30          	mov    0x30(%rsp),%edi
-    8be1:	89 7c 24 08          	mov    %edi,0x8(%rsp)
-    8be5:	89 78 0c             	mov    %edi,0xc(%rax)
-    8be8:	8b 7c 24 34          	mov    0x34(%rsp),%edi
-    8bec:	89 7c 24 04          	mov    %edi,0x4(%rsp)
-    8bf0:	89 78 10             	mov    %edi,0x10(%rax)
-    8bf3:	83 fb 01             	cmp    $0x1,%ebx
-    8bf6:	19 d2                	sbb    %edx,%edx
-    8bf8:	83 e2 f0             	and    $0xfffffff0,%edx
-    8bfb:	83 c2 30             	add    $0x30,%edx
-    8bfe:	89 50 14             	mov    %edx,0x14(%rax)
-    8c01:	89 68 1c             	mov    %ebp,0x1c(%rax)
-    8c04:	c7 40 18 00 00 00 00 	movl   $0x0,0x18(%rax)
-    8c0b:	c7 40 20 00 00 00 00 	movl   $0x0,0x20(%rax)
-    8c12:	c7 05 c8 6d 01 00 01 	movl   $0x1,0x16dc8(%rip)        # 1f9e4 <end+0x57dc>
-    8c19:	00 00 00 
-    8c1c:	8b 15 cc 6d 01 00    	mov    0x16dcc(%rip),%edx        # 1f9ee <end+0x57e6>
-    8c22:	85 d2                	test   %edx,%edx
-    8c24:	0f 84 91 fe ff ff    	je     8abb <rs2_interrupt+0x3fb>
-    8c2a:	8b 5a 20             	mov    0x20(%rdx),%ebx
-    8c2d:	85 db                	test   %ebx,%ebx
-    8c2f:	0f 85 c7 fe ff ff    	jne    8afc <rs2_interrupt+0x43c>
-    8c35:	89 42 20             	mov    %eax,0x20(%rdx)
-    8c38:	e9 4a ff ff ff       	jmpq   8b87 <rs2_interrupt+0x4c7>
-    8c3d:	56                   	push   %rsi
-    8c3e:	53                   	push   %rbx
-    8c3f:	83 ec 04             	sub    $0x4,%esp
-    8c42:	a1 cc 6d 01 00 8b 30 	movabs 0x508b308b00016dcc,%eax
-    8c49:	8b 50 
-    8c4b:	18 8d 4a 01 89 48    	sbb    %cl,0x4889014a(%rbp)
-    8c51:	18 83 fa 04 7f 0d    	sbb    %al,0xd7f04fa(%rbx)
-    8c57:	89 f0                	mov    %esi,%eax
-    8c59:	e8 61 fc ff ff       	callq  88bf <rs2_interrupt+0x1ff>
-    8c5e:	83 c4 04             	add    $0x4,%esp
-    8c61:	5b                   	pop    %rbx
-    8c62:	5e                   	pop    %rsi
-    8c63:	c3                   	retq   
-    8c64:	8b 50 1c             	mov    0x1c(%rax),%edx
-    8c67:	c6 42 08 00          	movb   $0x0,0x8(%rdx)
-    8c6b:	8b 58 1c             	mov    0x1c(%rax),%ebx
-    8c6e:	80 7b 0b 00          	cmpb   $0x0,0xb(%rbx)
-    8c72:	74 34                	je     8ca8 <rs2_interrupt+0x5e8>
-    8c74:	c6 43 0b 00          	movb   $0x0,0xb(%rbx)
-    8c78:	83 ec 0c             	sub    $0xc,%esp
-    8c7b:	83 c3 0c             	add    $0xc,%ebx
-    8c7e:	53                   	push   %rbx
-    8c7f:	e8 a0 ca ff ff       	callq  5724 <wake_up>
-    8c84:	c7 04 24 c4 6d 01 00 	movl   $0x16dc4,(%rsp)
-    8c8b:	e8 94 ca ff ff       	callq  5724 <wake_up>
-    8c90:	a1 cc 6d 01 00 c7 00 	movabs 0xffff00c700016dcc,%eax
-    8c97:	ff ff 
-    8c99:	ff                   	(bad)  
-    8c9a:	ff 8b 40 20 a3 cc    	decl   -0x335cdfc0(%rbx)
-    8ca0:	6d                   	insl   (%dx),%es:(%rdi)
-    8ca1:	01 00                	add    %eax,(%rax)
-    8ca3:	83 c4 10             	add    $0x10,%esp
-    8ca6:	eb af                	jmp    8c57 <rs2_interrupt+0x597>
-    8ca8:	83 ec 0c             	sub    $0xc,%esp
-    8cab:	68 7c f8 00 00       	pushq  $0xf87c
-    8cb0:	e8 f9 d7 ff ff       	callq  64ae <printk>
-    8cb5:	83 c4 10             	add    $0x10,%esp
-    8cb8:	eb ba                	jmp    8c74 <rs2_interrupt+0x5b4>
-    8cba:	57                   	push   %rdi
-    8cbb:	53                   	push   %rbx
-    8cbc:	83 ec 04             	sub    $0x4,%esp
-    8cbf:	e8 e3 fa ff ff       	callq  87a7 <rs2_interrupt+0xe7>
-    8cc4:	85 c0                	test   %eax,%eax
-    8cc6:	75 3b                	jne    8d03 <rs2_interrupt+0x643>
-    8cc8:	a1 cc 6d 01 00 8b 58 	movabs 0x8b1c588b00016dcc,%eax
-    8ccf:	1c 8b 
-    8cd1:	78 04                	js     8cd7 <rs2_interrupt+0x617>
-    8cd3:	83 e7 01             	and    $0x1,%edi
-    8cd6:	c1 e7 09             	shl    $0x9,%edi
-    8cd9:	03 3b                	add    (%rbx),%edi
-    8cdb:	ba f0 01 00 00       	mov    $0x1f0,%edx
-    8ce0:	b9 00 01 00 00       	mov    $0x100,%ecx
-    8ce5:	fc                   	cld    
-    8ce6:	f3 66 6d             	rep insw (%dx),%es:(%rdi)
-    8ce9:	c7 40 18 00 00 00 00 	movl   $0x0,0x18(%rax)
-    8cf0:	8b 48 04             	mov    0x4(%rax),%ecx
-    8cf3:	8d 51 ff             	lea    -0x1(%rcx),%edx
-    8cf6:	89 50 04             	mov    %edx,0x4(%rax)
-    8cf9:	85 d2                	test   %edx,%edx
-    8cfb:	74 0d                	je     8d0a <rs2_interrupt+0x64a>
-    8cfd:	83 c4 04             	add    $0x4,%esp
-    8d00:	5b                   	pop    %rbx
-    8d01:	5f                   	pop    %rdi
-    8d02:	c3                   	retq   
-    8d03:	e8 35 ff ff ff       	callq  8c3d <rs2_interrupt+0x57d>
-    8d08:	eb f3                	jmp    8cfd <rs2_interrupt+0x63d>
-    8d0a:	c6 43 08 01          	movb   $0x1,0x8(%rbx)
-    8d0e:	8b 40 1c             	mov    0x1c(%rax),%eax
-    8d11:	c6 40 09 00          	movb   $0x0,0x9(%rax)
-    8d15:	83 ec 0c             	sub    $0xc,%esp
-    8d18:	68 c4 6d 01 00       	pushq  $0x16dc4
-    8d1d:	e8 02 ca ff ff       	callq  5724 <wake_up>
-    8d22:	a1 cc 6d 01 00 8b 58 	movabs 0x831c588b00016dcc,%eax
-    8d29:	1c 83 
-    8d2b:	c4                   	(bad)  
-    8d2c:	10 80 7b 0b 00 74    	adc    %al,0x74000b7b(%rax)
-    8d32:	2d c6 43 0b 00       	sub    $0xb43c6,%eax
-    8d37:	83 ec 0c             	sub    $0xc,%esp
-    8d3a:	83 c3 0c             	add    $0xc,%ebx
-    8d3d:	53                   	push   %rbx
-    8d3e:	e8 e1 c9 ff ff       	callq  5724 <wake_up>
-    8d43:	a1 cc 6d 01 00 c7 00 	movabs 0xffff00c700016dcc,%eax
-    8d4a:	ff ff 
-    8d4c:	ff                   	(bad)  
-    8d4d:	ff 8b 40 20 a3 cc    	decl   -0x335cdfc0(%rbx)
-    8d53:	6d                   	insl   (%dx),%es:(%rdi)
-    8d54:	01 00                	add    %eax,(%rax)
-    8d56:	e8 fd fb ff ff       	callq  8958 <rs2_interrupt+0x298>
-    8d5b:	83 c4 10             	add    $0x10,%esp
-    8d5e:	eb 9d                	jmp    8cfd <rs2_interrupt+0x63d>
-    8d60:	83 ec 0c             	sub    $0xc,%esp
-    8d63:	68 7c f8 00 00       	pushq  $0xf87c
-    8d68:	e8 41 d7 ff ff       	callq  64ae <printk>
-    8d6d:	83 c4 10             	add    $0x10,%esp
-    8d70:	eb c1                	jmp    8d33 <rs2_interrupt+0x673>
-    8d72:	56                   	push   %rsi
-    8d73:	83 ec 08             	sub    $0x8,%esp
-    8d76:	e8 2c fa ff ff       	callq  87a7 <rs2_interrupt+0xe7>
-    8d7b:	85 c0                	test   %eax,%eax
-    8d7d:	75 2f                	jne    8dae <rs2_interrupt+0x6ee>
-    8d7f:	8b 15 cc 6d 01 00    	mov    0x16dcc(%rip),%edx        # 1fb51 <end+0x5949>
-    8d85:	8b 42 04             	mov    0x4(%rdx),%eax
-    8d88:	48 89 42 04          	mov    %rax,0x4(%rdx)
-    8d8c:	85 c0                	test   %eax,%eax
-    8d8e:	74 25                	je     8db5 <rs2_interrupt+0x6f5>
-    8d90:	8b 42 1c             	mov    0x1c(%rdx),%eax
-    8d93:	8b 30                	mov    (%rax),%esi
-    8d95:	81 c6 00 02 00 00    	add    $0x200,%esi
-    8d9b:	ba f0 01 00 00       	mov    $0x1f0,%edx
-    8da0:	b9 00 01 00 00       	mov    $0x100,%ecx
-    8da5:	fc                   	cld    
-    8da6:	f3 66 6f             	rep outsw %ds:(%rsi),(%dx)
-    8da9:	83 c4 08             	add    $0x8,%esp
-    8dac:	5e                   	pop    %rsi
-    8dad:	c3                   	retq   
-    8dae:	e8 8a fe ff ff       	callq  8c3d <rs2_interrupt+0x57d>
-    8db3:	eb f4                	jmp    8da9 <rs2_interrupt+0x6e9>
-    8db5:	8b 42 1c             	mov    0x1c(%rdx),%eax
-    8db8:	c6 40 08 01          	movb   $0x1,0x8(%rax)
-    8dbc:	8b 42 1c             	mov    0x1c(%rdx),%eax
-    8dbf:	c6 40 09 00          	movb   $0x0,0x9(%rax)
-    8dc3:	83 ec 0c             	sub    $0xc,%esp
-    8dc6:	68 c4 6d 01 00       	pushq  $0x16dc4
-    8dcb:	e8 54 c9 ff ff       	callq  5724 <wake_up>
-    8dd0:	a1 cc 6d 01 00 8b 70 	movabs 0x831c708b00016dcc,%eax
-    8dd7:	1c 83 
-    8dd9:	c4                   	(bad)  
-    8dda:	10 80 7e 0b 00 74    	adc    %al,0x74000b7e(%rax)
-    8de0:	2d c6 46 0b 00       	sub    $0xb46c6,%eax
-    8de5:	83 ec 0c             	sub    $0xc,%esp
-    8de8:	83 c6 0c             	add    $0xc,%esi
-    8deb:	56                   	push   %rsi
-    8dec:	e8 33 c9 ff ff       	callq  5724 <wake_up>
-    8df1:	a1 cc 6d 01 00 c7 00 	movabs 0xffff00c700016dcc,%eax
-    8df8:	ff ff 
-    8dfa:	ff                   	(bad)  
-    8dfb:	ff 8b 40 20 a3 cc    	decl   -0x335cdfc0(%rbx)
-    8e01:	6d                   	insl   (%dx),%es:(%rdi)
-    8e02:	01 00                	add    %eax,(%rax)
-    8e04:	e8 4f fb ff ff       	callq  8958 <rs2_interrupt+0x298>
-    8e09:	83 c4 10             	add    $0x10,%esp
-    8e0c:	eb 9b                	jmp    8da9 <rs2_interrupt+0x6e9>
-    8e0e:	83 ec 0c             	sub    $0xc,%esp
-    8e11:	68 7c f8 00 00       	pushq  $0xf87c
-    8e16:	e8 93 d6 ff ff       	callq  64ae <printk>
-    8e1b:	83 c4 10             	add    $0x10,%esp
-    8e1e:	eb c1                	jmp    8de1 <rs2_interrupt+0x721>
-
-0000000000008e20 <rw_hd>:
-    8e20:	55                   	push   %rbp
-    8e21:	57                   	push   %rdi
-    8e22:	56                   	push   %rsi
-    8e23:	53                   	push   %rbx
-    8e24:	83 ec 0c             	sub    $0xc,%esp
-    8e27:	8b 5c 24 24          	mov    0x24(%rsp),%ebx
-    8e2b:	0f b6 43 04          	movzbl 0x4(%rbx),%eax
-    8e2f:	83 f8 09             	cmp    $0x9,%eax
-    8e32:	77 12                	ja     8e46 <rw_hd+0x26>
-    8e34:	0f b7 4b 06          	movzwl 0x6(%rbx),%ecx
-    8e38:	01 c9                	add    %ecx,%ecx
-    8e3a:	8d 51 02             	lea    0x2(%rcx),%edx
-    8e3d:	3b 14 c5 64 72 01 00 	cmp    0x17264(,%rax,8),%edx
-    8e44:	76 08                	jbe    8e4e <rw_hd+0x2e>
-    8e46:	83 c4 0c             	add    $0xc,%esp
-    8e49:	5b                   	pop    %rbx
-    8e4a:	5e                   	pop    %rsi
-    8e4b:	5f                   	pop    %rdi
-    8e4c:	5d                   	pop    %rbp
-    8e4d:	c3                   	retq   
-    8e4e:	03 0c c5 60 72 01 00 	add    0x17260(,%rax,8),%ecx
-    8e55:	ba cd cc cc cc       	mov    $0xcccccccd,%edx
-    8e5a:	f7 e2                	mul    %edx
-    8e5c:	89 d7                	mov    %edx,%edi
-    8e5e:	c1 ef 02             	shr    $0x2,%edi
-    8e61:	be 00 00 00 00       	mov    $0x0,%esi
-    8e66:	8d 2c 3f             	lea    (%rdi,%rdi,1),%ebp
-    8e69:	01 fd                	add    %edi,%ebp
-    8e6b:	c1 e5 03             	shl    $0x3,%ebp
-    8e6e:	89 c8                	mov    %ecx,%eax
-    8e70:	89 f2                	mov    %esi,%edx
-    8e72:	8b 8d 84 ef 00 00    	mov    0xef84(%rbp),%ecx
-    8e78:	f7 f1                	div    %ecx
-    8e7a:	89 d1                	mov    %edx,%ecx
-    8e7c:	8b ad 80 ef 00 00    	mov    0xef80(%rbp),%ebp
-    8e82:	89 f2                	mov    %esi,%edx
-    8e84:	f7 f5                	div    %ebp
-    8e86:	41 83 ec 04          	sub    $0x4,%r12d
-    8e8a:	53                   	push   %rbx
-    8e8b:	50                   	push   %rax
-    8e8c:	52                   	push   %rdx
-    8e8d:	89 fa                	mov    %edi,%edx
-    8e8f:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    8e93:	e8 9b fb ff ff       	callq  8a33 <rs2_interrupt+0x373>
-    8e98:	83 c4 10             	add    $0x10,%esp
-    8e9b:	eb a9                	jmp    8e46 <rw_hd+0x26>
-
-0000000000008e9d <sys_setup>:
-    8e9d:	83 3d 90 63 01 00 00 	cmpl   $0x0,0x16390(%rip)        # 1f234 <end+0x502c>
-    8ea4:	0f 84 05 01 00 00    	je     8faf <sys_setup+0x112>
-    8eaa:	57                   	push   %rdi
-    8eab:	56                   	push   %rsi
-    8eac:	53                   	push   %rbx
-    8ead:	c7 05 90 63 01 00 00 	movl   $0x0,0x16390(%rip)        # 1f247 <end+0x503f>
-    8eb4:	00 00 00 
-    8eb7:	be 60 72 01 00       	mov    $0x17260,%esi
-    8ebc:	bb 00 00 00 00       	mov    $0x0,%ebx
-    8ec1:	eb 73                	jmp    8f36 <sys_setup+0x99>
-    8ec3:	83 ec 08             	sub    $0x8,%esp
-    8ec6:	53                   	push   %rbx
-    8ec7:	68 a0 f8 00 00       	pushq  $0xf8a0
-    8ecc:	e8 dd d5 ff ff       	callq  64ae <printk>
-    8ed1:	c7 04 24 66 f3 00 00 	movl   $0xf366,(%rsp)
-    8ed8:	e8 a6 d5 ff ff       	callq  6483 <panic>
-    8edd:	83 c4 10             	add    $0x10,%esp
-    8ee0:	e9 81 00 00 00       	jmpq   8f66 <sys_setup+0xc9>
-    8ee5:	83 ec 08             	sub    $0x8,%esp
-    8ee8:	53                   	push   %rbx
-    8ee9:	68 d0 f8 00 00       	pushq  $0xf8d0
-    8eee:	e8 bb d5 ff ff       	callq  64ae <printk>
-    8ef3:	c7 04 24 66 f3 00 00 	movl   $0xf366,(%rsp)
-    8efa:	e8 84 d5 ff ff       	callq  6483 <panic>
-    8eff:	83 c4 10             	add    $0x10,%esp
-    8f02:	a1 d0 63 01 00 8b 08 	movabs 0x818d088b000163d0,%eax
-    8f09:	8d 81 
-    8f0b:	be 01 00 00 81       	mov    $0x81000001,%esi
-    8f10:	c1 fe 01             	sar    $0x1,%esi
-    8f13:	00 00                	add    %al,(%rax)
-    8f15:	89 f2                	mov    %esi,%edx
-    8f17:	8b 78 08             	mov    0x8(%rax),%edi
-    8f1a:	89 7a 08             	mov    %edi,0x8(%rdx)
-    8f1d:	8b 78 0c             	mov    0xc(%rax),%edi
-    8f20:	89 7a 0c             	mov    %edi,0xc(%rdx)
-    8f23:	83 c0 10             	add    $0x10,%eax
-    8f26:	83 c2 08             	add    $0x8,%edx
-    8f29:	39 c8                	cmp    %ecx,%eax
-    8f2b:	75 ea                	jne    8f17 <sys_setup+0x7a>
-    8f2d:	43 83 c6 28          	rex.XB add $0x28,%r14d
-    8f31:	83 fb 02             	cmp    $0x2,%ebx
-    8f34:	74 56                	je     8f8c <sys_setup+0xef>
-    8f36:	83 ec 04             	sub    $0x4,%esp
-    8f39:	ff 35 d0 63 01 00    	pushq  0x163d0(%rip)        # 1f30f <end+0x5107>
-    8f3f:	6a 00                	pushq  $0x0
-    8f41:	6a 00                	pushq  $0x0
-    8f43:	b9 01 00 00 00       	mov    $0x1,%ecx
-    8f48:	89 da                	mov    %ebx,%edx
-    8f4a:	b8 00 00 00 00       	mov    $0x0,%eax
-    8f4f:	e8 df fa ff ff       	callq  8a33 <rs2_interrupt+0x373>
-    8f54:	83 c4 10             	add    $0x10,%esp
-    8f57:	a1 d0 63 01 00 80 78 	movabs 0x87880000163d0,%eax
-    8f5e:	08 00 
-    8f60:	0f 84 5d ff ff ff    	je     8ec3 <sys_setup+0x26>
-    8f66:	a1 d0 63 01 00 8b 00 	movabs 0xb880008b000163d0,%eax
-    8f6d:	80 b8 
-    8f6f:	fe 01                	incb   (%rcx)
-    8f71:	00 00                	add    %al,(%rax)
-    8f73:	55                   	push   %rbp
-    8f74:	0f 85 6b ff ff ff    	jne    8ee5 <sys_setup+0x48>
-    8f7a:	80 b8 ff 01 00 00 aa 	cmpb   $0xaa,0x1ff(%rax)
-    8f81:	0f 85 5e ff ff ff    	jne    8ee5 <sys_setup+0x48>
-    8f87:	e9 76 ff ff ff       	jmpq   8f02 <sys_setup+0x65>
-    8f8c:	83 ec 08             	sub    $0x8,%esp
-    8f8f:	68 67 f3 00 00       	pushq  $0xf367
-    8f94:	68 69 f3 00 00       	pushq  $0xf369
-    8f99:	e8 10 d5 ff ff       	callq  64ae <printk>
-    8f9e:	e8 8e 28 00 00       	callq  b831 <mount_root>
-    8fa3:	83 c4 10             	add    $0x10,%esp
-    8fa6:	b8 00 00 00 00       	mov    $0x0,%eax
-    8fab:	5b                   	pop    %rbx
-    8fac:	5e                   	pop    %rsi
-    8fad:	5f                   	pop    %rdi
-    8fae:	c3                   	retq   
-    8faf:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    8fb4:	c3                   	retq   
-
-0000000000008fb5 <unexpected_hd_interrupt>:
-    8fb5:	83 ec 18             	sub    $0x18,%esp
-    8fb8:	68 81 f3 00 00       	pushq  $0xf381
-    8fbd:	e8 c1 d4 ff ff       	callq  6483 <panic>
-    8fc2:	83 c4 1c             	add    $0x1c,%esp
-    8fc5:	c3                   	retq   
-
-0000000000008fc6 <hd_init>:
-    8fc6:	b8 e0 6d 01 00       	mov    $0x16de0,%eax
-    8fcb:	ba 60 72 01 00       	mov    $0x17260,%edx
-    8fd0:	c7 00 ff ff ff ff    	movl   $0xffffffff,(%rax)
-    8fd6:	c7 40 20 00 00 00 00 	movl   $0x0,0x20(%rax)
-    8fdd:	83 c0 24             	add    $0x24,%eax
-    8fe0:	39 d0                	cmp    %edx,%eax
-    8fe2:	75 ec                	jne    8fd0 <hd_init+0xa>
-    8fe4:	c7 05 60 72 01 00 00 	movl   $0x0,0x17260(%rip)        # 2024e <end+0x6046>
-    8feb:	00 00 00 
-    8fee:	c7 05 64 72 01 00 64 	movl   $0x14564,0x17264(%rip)        # 2025c <end+0x6054>
-    8ff5:	45 01 00 
-    8ff8:	c7 05 88 72 01 00 00 	movl   $0x0,0x17288(%rip)        # 2028a <end+0x6082>
-    8fff:	00 00 00 
-    9002:	c7 05 8c 72 01 00 64 	movl   $0x14564,0x1728c(%rip)        # 20298 <end+0x6090>
-    9009:	45 01 00 
-    900c:	ba 0c 5a 00 00       	mov    $0x5a0c,%edx
-    9011:	b8 00 00 08 00       	mov    $0x80000,%eax
-    9016:	66 89 d0             	mov    %dx,%ax
-    9019:	66 ba 00 8f          	mov    $0x8f00,%dx
-    901d:	a3 e8 41 00 00 89 15 	movabs %eax,0x41ec1589000041e8
-    9024:	ec 41 
-    9026:	00 00                	add    %al,(%rax)
-    9028:	ba 21 00 00 00       	mov    $0x21,%edx
-    902d:	ec                   	in     (%dx),%al
-    902e:	eb 00                	jmp    9030 <hd_init+0x6a>
-    9030:	eb 00                	jmp    9032 <hd_init+0x6c>
-    9032:	25 fb 00 00 00       	and    $0xfb,%eax
-    9037:	ee                   	out    %al,(%dx)
-    9038:	eb 00                	jmp    903a <hd_init+0x74>
-    903a:	eb 00                	jmp    903c <hd_init+0x76>
-    903c:	ba a1 00 00 00       	mov    $0xa1,%edx
-    9041:	ec                   	in     (%dx),%al
-    9042:	eb 00                	jmp    9044 <hd_init+0x7e>
-    9044:	eb 00                	jmp    9046 <hd_init+0x80>
-    9046:	25 bf 00 00 00       	and    $0xbf,%eax
-    904b:	ee                   	out    %al,(%dx)
-    904c:	c3                   	retq   
-
-000000000000904d <sys_ftime>:
-    904d:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9052:	c3                   	retq   
-
-0000000000009053 <sys_mknod>:
-    9053:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9058:	c3                   	retq   
-
-0000000000009059 <sys_break>:
-    9059:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    905e:	c3                   	retq   
-
-000000000000905f <sys_mount>:
-    905f:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9064:	c3                   	retq   
-
-0000000000009065 <sys_umount>:
-    9065:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    906a:	c3                   	retq   
-
-000000000000906b <sys_ustat>:
-    906b:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    9070:	c3                   	retq   
-
-0000000000009071 <sys_ptrace>:
-    9071:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9076:	c3                   	retq   
-
-0000000000009077 <sys_stty>:
-    9077:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    907c:	c3                   	retq   
-
-000000000000907d <sys_gtty>:
-    907d:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9082:	c3                   	retq   
-
-0000000000009083 <sys_rename>:
-    9083:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9088:	c3                   	retq   
-
-0000000000009089 <sys_prof>:
-    9089:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    908e:	c3                   	retq   
-
-000000000000908f <sys_setgid>:
-    908f:	8b 54 24 04          	mov    0x4(%rsp),%edx
-    9093:	a1 00 2d 01 00 66 83 	movabs 0xbeb8836600012d00,%eax
-    909a:	b8 be 
-    909c:	00 00                	add    %al,(%rax)
-    909e:	00 00                	add    %al,(%rax)
-    90a0:	74 2d                	je     90cf <sys_setgid+0x40>
-    90a2:	66 83 b8 bc 00 00 00 	cmpw   $0x0,0xbc(%rax)
-    90a9:	00 
-    90aa:	74 23                	je     90cf <sys_setgid+0x40>
-    90ac:	0f b7 88 c2 00 00 00 	movzwl 0xc2(%rax),%ecx
-    90b3:	39 d1                	cmp    %edx,%ecx
-    90b5:	74 0b                	je     90c2 <sys_setgid+0x33>
-    90b7:	0f b7 88 c6 00 00 00 	movzwl 0xc6(%rax),%ecx
-    90be:	39 d1                	cmp    %edx,%ecx
-    90c0:	75 21                	jne    90e3 <sys_setgid+0x54>
-    90c2:	66 89 90 c4 00 00 00 	mov    %dx,0xc4(%rax)
-    90c9:	b8 00 00 00 00       	mov    $0x0,%eax
-    90ce:	c3                   	retq   
-    90cf:	66 89 90 c4 00 00 00 	mov    %dx,0xc4(%rax)
-    90d6:	66 89 90 c2 00 00 00 	mov    %dx,0xc2(%rax)
-    90dd:	b8 00 00 00 00       	mov    $0x0,%eax
-    90e2:	c3                   	retq   
-    90e3:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    90e8:	c3                   	retq   
-
-00000000000090e9 <sys_acct>:
-    90e9:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    90ee:	c3                   	retq   
-
-00000000000090ef <sys_phys>:
-    90ef:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    90f4:	c3                   	retq   
-
-00000000000090f5 <sys_lock>:
-    90f5:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    90fa:	c3                   	retq   
-
-00000000000090fb <sys_mpx>:
-    90fb:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9100:	c3                   	retq   
-
-0000000000009101 <sys_ulimit>:
-    9101:	b8 da ff ff ff       	mov    $0xffffffda,%eax
-    9106:	c3                   	retq   
-
-0000000000009107 <sys_time>:
-    9107:	56                   	push   %rsi
-    9108:	53                   	push   %rbx
-    9109:	83 ec 04             	sub    $0x4,%esp
-    910c:	8b 74 24 10          	mov    0x10(%rsp),%esi
-    9110:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 1fa1e <end+0x5816>
-    9116:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    911b:	f7 e9                	imul   %ecx
-    911d:	89 d3                	mov    %edx,%ebx
-    911f:	c1 fb 05             	sar    $0x5,%ebx
-    9122:	c1 f9 1f             	sar    $0x1f,%ecx
-    9125:	29 cb                	sub    %ecx,%ebx
-    9127:	03 1d 04 69 01 00    	add    0x16904(%rip),%ebx        # 1fa31 <end+0x5829>
-    912d:	85 f6                	test   %esi,%esi
-    912f:	74 11                	je     9142 <sys_time+0x3b>
-    9131:	83 ec 08             	sub    $0x8,%esp
-    9134:	6a 04                	pushq  $0x4
-    9136:	56                   	push   %rsi
-    9137:	e8 0d cf ff ff       	callq  6049 <verify_area>
-    913c:	64 89 1e             	mov    %ebx,%fs:(%rsi)
-    913f:	83 c4 10             	add    $0x10,%esp
-    9142:	89 d8                	mov    %ebx,%eax
-    9144:	83 c4 04             	add    $0x4,%esp
-    9147:	5b                   	pop    %rbx
-    9148:	5e                   	pop    %rsi
-    9149:	c3                   	retq   
-
-000000000000914a <sys_setuid>:
-    914a:	53                   	push   %rbx
-    914b:	8b 54 24 08          	mov    0x8(%rsp),%edx
-    914f:	a1 00 2d 01 00 66 83 	movabs 0xbeb8836600012d00,%eax
-    9156:	b8 be 
-    9158:	00 00                	add    %al,(%rax)
-    915a:	00 00                	add    %al,(%rax)
-    915c:	74 29                	je     9187 <sys_setuid+0x3d>
-    915e:	8b 88 bc 00 00 00    	mov    0xbc(%rax),%ecx
-    9164:	66 85 c9             	test   %cx,%cx
-    9167:	74 1e                	je     9187 <sys_setuid+0x3d>
-    9169:	0f b7 d9             	movzwl %cx,%ebx
-    916c:	39 d3                	cmp    %edx,%ebx
-    916e:	74 09                	je     9179 <sys_setuid+0x2f>
-    9170:	66 3b 88 c0 00 00 00 	cmp    0xc0(%rax),%cx
-    9177:	75 23                	jne    919c <sys_setuid+0x52>
-    9179:	66 89 90 be 00 00 00 	mov    %dx,0xbe(%rax)
-    9180:	b8 00 00 00 00       	mov    $0x0,%eax
-    9185:	eb 13                	jmp    919a <sys_setuid+0x50>
-    9187:	66 89 90 bc 00 00 00 	mov    %dx,0xbc(%rax)
-    918e:	66 89 90 be 00 00 00 	mov    %dx,0xbe(%rax)
-    9195:	b8 00 00 00 00       	mov    $0x0,%eax
-    919a:	5b                   	pop    %rbx
-    919b:	c3                   	retq   
-    919c:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    91a1:	eb f7                	jmp    919a <sys_setuid+0x50>
-
-00000000000091a3 <sys_stime>:
-    91a3:	a1 00 2d 01 00 66 83 	movabs 0xbeb8836600012d00,%eax
-    91aa:	b8 be 
-    91ac:	00 00                	add    %al,(%rax)
-    91ae:	00 00                	add    %al,(%rax)
-    91b0:	74 0a                	je     91bc <sys_stime+0x19>
-    91b2:	66 83 b8 bc 00 00 00 	cmpw   $0x0,0xbc(%rax)
-    91b9:	00 
-    91ba:	75 2e                	jne    91ea <sys_stime+0x47>
-    91bc:	53                   	push   %rbx
-    91bd:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    91c1:	64 8b 18             	mov    %fs:(%rax),%ebx
-    91c4:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 1fad2 <end+0x58ca>
-    91ca:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    91cf:	f7 e9                	imul   %ecx
-    91d1:	89 d0                	mov    %edx,%eax
-    91d3:	c1 f8 05             	sar    $0x5,%eax
-    91d6:	c1 f9 1f             	sar    $0x1f,%ecx
-    91d9:	29 c8                	sub    %ecx,%eax
-    91db:	29 c3                	sub    %eax,%ebx
-    91dd:	89 1d 04 69 01 00    	mov    %ebx,0x16904(%rip)        # 1fae7 <end+0x58df>
-    91e3:	b8 00 00 00 00       	mov    $0x0,%eax
-    91e8:	5b                   	pop    %rbx
-    91e9:	c3                   	retq   
-    91ea:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    91ef:	c3                   	retq   
-
-00000000000091f0 <sys_times>:
-    91f0:	53                   	push   %rbx
-    91f1:	83 ec 08             	sub    $0x8,%esp
-    91f4:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    91f8:	85 db                	test   %ebx,%ebx
-    91fa:	74 44                	je     9240 <sys_times+0x50>
-    91fc:	83 ec 08             	sub    $0x8,%esp
-    91ff:	6a 10                	pushq  $0x10
-    9201:	53                   	push   %rbx
-    9202:	e8 42 ce ff ff       	callq  6049 <verify_area>
-    9207:	a1 00 2d 01 00 8b 90 	movabs 0xcc908b00012d00,%eax
-    920e:	cc 00 
-    9210:	00 00                	add    %al,(%rax)
-    9212:	64 89 13             	mov    %edx,%fs:(%rbx)
-    9215:	8b 90 d0 00 00 00    	mov    0xd0(%rax),%edx
-    921b:	64 89 53 04          	mov    %edx,%fs:0x4(%rbx)
-    921f:	8b 90 d4 00 00 00    	mov    0xd4(%rax),%edx
-    9225:	64 89 53 08          	mov    %edx,%fs:0x8(%rbx)
-    9229:	8b 80 d8 00 00 00    	mov    0xd8(%rax),%eax
-    922f:	64 89 43 0c          	mov    %eax,%fs:0xc(%rbx)
-    9233:	a1 08 69 01 00 83 c4 	movabs 0x8310c48300016908,%eax
-    923a:	10 83 
-    923c:	c4                   	(bad)  
-    923d:	08 5b c3             	or     %bl,-0x3d(%rbx)
-    9240:	a1                   	.byte 0xa1
-    9241:	08 69 01             	or     %ch,0x1(%rcx)
-    9244:	00 eb                	add    %ch,%bl
-    9246:	f4                   	hlt    
-
-0000000000009247 <sys_brk>:
-    9247:	8b 54 24 04          	mov    0x4(%rsp),%edx
-    924b:	a1 00 2d 01 00 39 90 	movabs 0x98903900012d00,%eax
-    9252:	98 00 
-    9254:	00 00                	add    %al,(%rax)
-    9256:	77 16                	ja     926e <sys_brk+0x27>
-    9258:	8b 88 a4 00 00 00    	mov    0xa4(%rax),%ecx
-    925e:	81 e9 00 40 00 00    	sub    $0x4000,%ecx
-    9264:	39 d1                	cmp    %edx,%ecx
-    9266:	76 06                	jbe    926e <sys_brk+0x27>
-    9268:	89 90 a0 00 00 00    	mov    %edx,0xa0(%rax)
-    926e:	8b 80 a0 00 00 00    	mov    0xa0(%rax),%eax
-    9274:	c3                   	retq   
-
-0000000000009275 <sys_setpgid>:
-    9275:	56                   	push   %rsi
-    9276:	53                   	push   %rbx
-    9277:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    927b:	8b 74 24 10          	mov    0x10(%rsp),%esi
-    927f:	85 db                	test   %ebx,%ebx
-    9281:	75 0b                	jne    928e <sys_setpgid+0x19>
-    9283:	a1 00 2d 01 00 8b 98 	movabs 0xa8988b00012d00,%eax
-    928a:	a8 00 
-    928c:	00 00                	add    %al,(%rax)
-    928e:	85 f6                	test   %esi,%esi
-    9290:	75 02                	jne    9294 <sys_setpgid+0x1f>
-    9292:	89 de                	mov    %ebx,%esi
-    9294:	b8 00 2c 01 00       	mov    $0x12c00,%eax
-    9299:	b9 00 2d 01 00       	mov    $0x12d00,%ecx
-    929e:	eb 07                	jmp    92a7 <sys_setpgid+0x32>
-    92a0:	83 c0 04             	add    $0x4,%eax
-    92a3:	39 c8                	cmp    %ecx,%eax
-    92a5:	74 38                	je     92df <sys_setpgid+0x6a>
-    92a7:	8b 10                	mov    (%rax),%edx
-    92a9:	85 d2                	test   %edx,%edx
-    92ab:	74 f3                	je     92a0 <sys_setpgid+0x2b>
-    92ad:	39 9a a8 00 00 00    	cmp    %ebx,0xa8(%rdx)
-    92b3:	75 eb                	jne    92a0 <sys_setpgid+0x2b>
-    92b5:	83 ba b8 00 00 00 00 	cmpl   $0x0,0xb8(%rdx)
-    92bc:	75 28                	jne    92e6 <sys_setpgid+0x71>
-    92be:	a1 00 2d 01 00 8b 80 	movabs 0xb4808b00012d00,%eax
-    92c5:	b4 00 
-    92c7:	00 00                	add    %al,(%rax)
-    92c9:	39 82 b4 00 00 00    	cmp    %eax,0xb4(%rdx)
-    92cf:	75 1c                	jne    92ed <sys_setpgid+0x78>
-    92d1:	89 b2 b0 00 00 00    	mov    %esi,0xb0(%rdx)
-    92d7:	b8 00 00 00 00       	mov    $0x0,%eax
-    92dc:	5b                   	pop    %rbx
-    92dd:	5e                   	pop    %rsi
-    92de:	c3                   	retq   
-    92df:	b8 fd ff ff ff       	mov    $0xfffffffd,%eax
-    92e4:	eb f6                	jmp    92dc <sys_setpgid+0x67>
-    92e6:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    92eb:	eb ef                	jmp    92dc <sys_setpgid+0x67>
-    92ed:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    92f2:	eb e8                	jmp    92dc <sys_setpgid+0x67>
-
-00000000000092f4 <sys_getpgrp>:
-    92f4:	a1 00 2d 01 00 8b 80 	movabs 0xb0808b00012d00,%eax
-    92fb:	b0 00 
-    92fd:	00 00                	add    %al,(%rax)
-    92ff:	c3                   	retq   
-
-0000000000009300 <sys_setsid>:
-    9300:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1c006 <end+0x1dfe>
-    9306:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    930d:	00 
-    930e:	74 0a                	je     931a <sys_setsid+0x1a>
-    9310:	66 83 ba be 00 00 00 	cmpw   $0x0,0xbe(%rdx)
-    9317:	00 
-    9318:	75 30                	jne    934a <sys_setsid+0x4a>
-    931a:	83 ba b8 00 00 00 00 	cmpl   $0x0,0xb8(%rdx)
-    9321:	75 2d                	jne    9350 <sys_setsid+0x50>
-    9323:	c7 82 b8 00 00 00 01 	movl   $0x1,0xb8(%rdx)
-    932a:	00 00 00 
-    932d:	8b 82 a8 00 00 00    	mov    0xa8(%rdx),%eax
-    9333:	89 82 b0 00 00 00    	mov    %eax,0xb0(%rdx)
-    9339:	89 82 b4 00 00 00    	mov    %eax,0xb4(%rdx)
-    933f:	c7 82 e4 00 00 00 ff 	movl   $0xffffffff,0xe4(%rdx)
-    9346:	ff ff ff 
-    9349:	c3                   	retq   
-    934a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    934f:	c3                   	retq   
-    9350:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    9355:	c3                   	retq   
-
-0000000000009356 <sys_uname>:
-    9356:	53                   	push   %rbx
-    9357:	83 ec 08             	sub    $0x8,%esp
-    935a:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    935e:	85 db                	test   %ebx,%ebx
-    9360:	74 2d                	je     938f <sys_uname+0x39>
-    9362:	83 ec 08             	sub    $0x8,%esp
-    9365:	6a 2d                	pushq  $0x2d
-    9367:	53                   	push   %rbx
-    9368:	e8 dc cc ff ff       	callq  6049 <verify_area>
-    936d:	83 c4 10             	add    $0x10,%esp
-    9370:	b8 00 00 00 00       	mov    $0x0,%eax
-    9375:	8a 90 a0 63 01 00    	mov    0x163a0(%rax),%dl
-    937b:	64 88 14 03          	mov    %dl,%fs:(%rbx,%rax,1)
-    937f:	40 83 f8 2d          	rex cmp $0x2d,%eax
-    9383:	75 f0                	jne    9375 <sys_uname+0x1f>
-    9385:	b8 00 00 00 00       	mov    $0x0,%eax
-    938a:	83 c4 08             	add    $0x8,%esp
-    938d:	5b                   	pop    %rbx
-    938e:	c3                   	retq   
-    938f:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    9394:	eb f4                	jmp    938a <sys_uname+0x34>
-
-0000000000009396 <sys_umask>:
-    9396:	8b 0d 00 2d 01 00    	mov    0x12d00(%rip),%ecx        # 1c09c <end+0x1e94>
-    939c:	0f b7 81 e8 00 00 00 	movzwl 0xe8(%rcx),%eax
-    93a3:	8b 54 24 04          	mov    0x4(%rsp),%edx
-    93a7:	81 e2 ff 01 00 00    	and    $0x1ff,%edx
-    93ad:	66 89 91 e8 00 00 00 	mov    %dx,0xe8(%rcx)
-    93b4:	c3                   	retq   
-
-00000000000093b5 <release>:
-    93b5:	83 ec 0c             	sub    $0xc,%esp
-    93b8:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    93bc:	85 d2                	test   %edx,%edx
-    93be:	74 4f                	je     940f <release+0x5a>
-    93c0:	3b 15 04 2c 01 00    	cmp    0x12c04(%rip),%edx        # 1bfca <end+0x1dc2>
-    93c6:	74 26                	je     93ee <release+0x39>
-    93c8:	b8 02 00 00 00       	mov    $0x2,%eax
-    93cd:	39 14 85 00 2c 01 00 	cmp    %edx,0x12c00(,%rax,4)
-    93d4:	74 1d                	je     93f3 <release+0x3e>
-    93d6:	40 83 f8 40          	rex cmp $0x40,%eax
-    93da:	75 f1                	jne    93cd <release+0x18>
-    93dc:	83 ec 0c             	sub    $0xc,%esp
-    93df:	68 f4 f8 00 00       	pushq  $0xf8f4
-    93e4:	e8 9a d0 ff ff       	callq  6483 <panic>
-    93e9:	83 c4 10             	add    $0x10,%esp
-    93ec:	eb 21                	jmp    940f <release+0x5a>
-    93ee:	b8 01 00 00 00       	mov    $0x1,%eax
-    93f3:	c7 04 85 00 2c 01 00 	movl   $0x0,0x12c00(,%rax,4)
-    93fa:	00 00 00 00 
-    93fe:	83 ec 0c             	sub    $0xc,%esp
-    9401:	52                   	push   %rdx
-    9402:	e8 fc 06 00 00       	callq  9b03 <free_page>
-    9407:	e8 2a c1 ff ff       	callq  5536 <schedule>
-    940c:	83 c4 10             	add    $0x10,%esp
-    940f:	83 c4 0c             	add    $0xc,%esp
-    9412:	c3                   	retq   
-
-0000000000009413 <do_kill>:
-    9413:	55                   	push   %rbp
-    9414:	57                   	push   %rdi
-    9415:	56                   	push   %rsi
-    9416:	53                   	push   %rbx
-    9417:	83 ec 08             	sub    $0x8,%esp
-    941a:	8b 5c 24 1c          	mov    0x1c(%rsp),%ebx
-    941e:	8b 54 24 20          	mov    0x20(%rsp),%edx
-    9422:	85 db                	test   %ebx,%ebx
-    9424:	75 7f                	jne    94a5 <do_kill+0x92>
-    9426:	8b 1d 00 2d 01 00    	mov    0x12d00(%rip),%ebx        # 1c12c <end+0x1f24>
-    942c:	8d 4a ff             	lea    -0x1(%rdx),%ecx
-    942f:	b8 01 00 00 00       	mov    $0x1,%eax
-    9434:	d3 e0                	shl    %cl,%eax
-    9436:	89 c5                	mov    %eax,%ebp
-    9438:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    943d:	eb 11                	jmp    9450 <do_kill+0x3d>
-    943f:	09 6a 0c             	or     %ebp,0xc(%rdx)
-    9442:	83 e8 04             	sub    $0x4,%eax
-    9445:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    944a:	0f 86 f3 01 00 00    	jbe    9643 <do_kill+0x230>
-    9450:	8b 10                	mov    (%rax),%edx
-    9452:	85 d2                	test   %edx,%edx
-    9454:	74 ec                	je     9442 <do_kill+0x2f>
-    9456:	8b bb a8 00 00 00    	mov    0xa8(%rbx),%edi
-    945c:	39 ba b0 00 00 00    	cmp    %edi,0xb0(%rdx)
-    9462:	75 de                	jne    9442 <do_kill+0x2f>
-    9464:	83 f9 1f             	cmp    $0x1f,%ecx
-    9467:	77 d9                	ja     9442 <do_kill+0x2f>
-    9469:	83 7c 24 24 00       	cmpl   $0x0,0x24(%rsp)
-    946e:	75 cf                	jne    943f <do_kill+0x2c>
-    9470:	8b bb bc 00 00 00    	mov    0xbc(%rbx),%edi
-    9476:	8b b2 bc 00 00 00    	mov    0xbc(%rdx),%esi
-    947c:	66 89 3c 24          	mov    %di,(%rsp)
-    9480:	66 39 f7             	cmp    %si,%di
-    9483:	74 ba                	je     943f <do_kill+0x2c>
-    9485:	66 8b bb be 00 00 00 	mov    0xbe(%rbx),%di
-    948c:	66 39 fe             	cmp    %di,%si
-    948f:	74 ae                	je     943f <do_kill+0x2c>
-    9491:	66 8b b2 be 00 00 00 	mov    0xbe(%rdx),%si
-    9498:	66 39 34 24          	cmp    %si,(%rsp)
-    949c:	74 a1                	je     943f <do_kill+0x2c>
-    949e:	66 39 f7             	cmp    %si,%di
-    94a1:	75 9f                	jne    9442 <do_kill+0x2f>
-    94a3:	eb 9a                	jmp    943f <do_kill+0x2c>
-    94a5:	85 db                	test   %ebx,%ebx
-    94a7:	0f 8e 91 00 00 00    	jle    953e <do_kill+0x12b>
-    94ad:	8b 35 00 2d 01 00    	mov    0x12d00(%rip),%esi        # 1c1b3 <end+0x1fab>
-    94b3:	8d 4a ff             	lea    -0x1(%rdx),%ecx
-    94b6:	b8 01 00 00 00       	mov    $0x1,%eax
-    94bb:	d3 e0                	shl    %cl,%eax
-    94bd:	89 c7                	mov    %eax,%edi
-    94bf:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    94c4:	89 cd                	mov    %ecx,%ebp
-    94c6:	89 34 24             	mov    %esi,(%rsp)
-    94c9:	eb 11                	jmp    94dc <do_kill+0xc9>
-    94cb:	09 7a 0c             	or     %edi,0xc(%rdx)
-    94ce:	83 e8 04             	sub    $0x4,%eax
-    94d1:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    94d6:	0f 86 67 01 00 00    	jbe    9643 <do_kill+0x230>
-    94dc:	8b 10                	mov    (%rax),%edx
-    94de:	85 d2                	test   %edx,%edx
-    94e0:	74 ec                	je     94ce <do_kill+0xbb>
-    94e2:	39 9a a8 00 00 00    	cmp    %ebx,0xa8(%rdx)
-    94e8:	75 e4                	jne    94ce <do_kill+0xbb>
-    94ea:	83 fd 1f             	cmp    $0x1f,%ebp
-    94ed:	77 df                	ja     94ce <do_kill+0xbb>
-    94ef:	83 7c 24 24 00       	cmpl   $0x0,0x24(%rsp)
-    94f4:	75 d5                	jne    94cb <do_kill+0xb8>
-    94f6:	8b 34 24             	mov    (%rsp),%esi
-    94f9:	8b 8e bc 00 00 00    	mov    0xbc(%rsi),%ecx
-    94ff:	8b b2 bc 00 00 00    	mov    0xbc(%rdx),%esi
-    9505:	66 89 74 24 04       	mov    %si,0x4(%rsp)
-    950a:	89 ce                	mov    %ecx,%esi
-    950c:	66 3b 4c 24 04       	cmp    0x4(%rsp),%cx
-    9511:	74 b8                	je     94cb <do_kill+0xb8>
-    9513:	8b 0c 24             	mov    (%rsp),%ecx
-    9516:	66 8b 89 be 00 00 00 	mov    0xbe(%rcx),%cx
-    951d:	66 89 4c 24 06       	mov    %cx,0x6(%rsp)
-    9522:	66 39 4c 24 04       	cmp    %cx,0x4(%rsp)
-    9527:	74 a2                	je     94cb <do_kill+0xb8>
-    9529:	66 8b 8a be 00 00 00 	mov    0xbe(%rdx),%cx
-    9530:	66 39 ce             	cmp    %cx,%si
-    9533:	74 96                	je     94cb <do_kill+0xb8>
-    9535:	66 39 4c 24 06       	cmp    %cx,0x6(%rsp)
-    953a:	75 92                	jne    94ce <do_kill+0xbb>
-    953c:	eb 8d                	jmp    94cb <do_kill+0xb8>
-    953e:	83 fb ff             	cmp    $0xffffffff,%ebx
-    9541:	74 1d                	je     9560 <do_kill+0x14d>
-    9543:	8b 35 00 2d 01 00    	mov    0x12d00(%rip),%esi        # 1c249 <end+0x2041>
-    9549:	8d 4a ff             	lea    -0x1(%rdx),%ecx
-    954c:	b8 01 00 00 00       	mov    $0x1,%eax
-    9551:	d3 e0                	shl    %cl,%eax
-    9553:	89 c7                	mov    %eax,%edi
-    9555:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    955a:	f7 db                	neg    %ebx
-    955c:	89 cd                	mov    %ecx,%ebp
-    955e:	eb 7d                	jmp    95dd <do_kill+0x1ca>
-    9560:	8b 1d 00 2d 01 00    	mov    0x12d00(%rip),%ebx        # 1c266 <end+0x205e>
-    9566:	8d 4a ff             	lea    -0x1(%rdx),%ecx
-    9569:	b8 01 00 00 00       	mov    $0x1,%eax
-    956e:	d3 e0                	shl    %cl,%eax
-    9570:	89 04 24             	mov    %eax,(%rsp)
-    9573:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    9578:	eb 14                	jmp    958e <do_kill+0x17b>
-    957a:	8b 34 24             	mov    (%rsp),%esi
-    957d:	09 72 0c             	or     %esi,0xc(%rdx)
-    9580:	83 e8 04             	sub    $0x4,%eax
-    9583:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    9588:	0f 86 b5 00 00 00    	jbe    9643 <do_kill+0x230>
-    958e:	8b 10                	mov    (%rax),%edx
-    9590:	85 d2                	test   %edx,%edx
-    9592:	74 ec                	je     9580 <do_kill+0x16d>
-    9594:	83 f9 1f             	cmp    $0x1f,%ecx
-    9597:	77 e7                	ja     9580 <do_kill+0x16d>
-    9599:	83 7c 24 24 00       	cmpl   $0x0,0x24(%rsp)
-    959e:	75 da                	jne    957a <do_kill+0x167>
-    95a0:	8b bb bc 00 00 00    	mov    0xbc(%rbx),%edi
-    95a6:	8b b2 bc 00 00 00    	mov    0xbc(%rdx),%esi
-    95ac:	66 39 f7             	cmp    %si,%di
-    95af:	74 c9                	je     957a <do_kill+0x167>
-    95b1:	66 8b ab be 00 00 00 	mov    0xbe(%rbx),%bp
-    95b8:	66 39 ee             	cmp    %bp,%si
-    95bb:	74 bd                	je     957a <do_kill+0x167>
-    95bd:	66 8b b2 be 00 00 00 	mov    0xbe(%rdx),%si
-    95c4:	66 39 f7             	cmp    %si,%di
-    95c7:	74 b1                	je     957a <do_kill+0x167>
-    95c9:	66 39 f5             	cmp    %si,%bp
-    95cc:	75 b2                	jne    9580 <do_kill+0x16d>
-    95ce:	eb aa                	jmp    957a <do_kill+0x167>
-    95d0:	09 7a 0c             	or     %edi,0xc(%rdx)
-    95d3:	83 e8 04             	sub    $0x4,%eax
-    95d6:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    95db:	76 66                	jbe    9643 <do_kill+0x230>
-    95dd:	8b 10                	mov    (%rax),%edx
-    95df:	85 d2                	test   %edx,%edx
-    95e1:	74 f0                	je     95d3 <do_kill+0x1c0>
-    95e3:	39 9a b0 00 00 00    	cmp    %ebx,0xb0(%rdx)
-    95e9:	75 e8                	jne    95d3 <do_kill+0x1c0>
-    95eb:	83 fd 1f             	cmp    $0x1f,%ebp
-    95ee:	77 e3                	ja     95d3 <do_kill+0x1c0>
-    95f0:	83 7c 24 24 00       	cmpl   $0x0,0x24(%rsp)
-    95f5:	75 d9                	jne    95d0 <do_kill+0x1bd>
-    95f7:	8b 8e bc 00 00 00    	mov    0xbc(%rsi),%ecx
-    95fd:	66 89 0c 24          	mov    %cx,(%rsp)
-    9601:	8b 8a bc 00 00 00    	mov    0xbc(%rdx),%ecx
-    9607:	66 89 4c 24 04       	mov    %cx,0x4(%rsp)
-    960c:	8b 0c 24             	mov    (%rsp),%ecx
-    960f:	66 89 4c 24 06       	mov    %cx,0x6(%rsp)
-    9614:	66 3b 4c 24 04       	cmp    0x4(%rsp),%cx
-    9619:	74 b5                	je     95d0 <do_kill+0x1bd>
-    961b:	66 8b 8e be 00 00 00 	mov    0xbe(%rsi),%cx
-    9622:	66 89 0c 24          	mov    %cx,(%rsp)
-    9626:	66 39 4c 24 04       	cmp    %cx,0x4(%rsp)
-    962b:	74 a3                	je     95d0 <do_kill+0x1bd>
-    962d:	66 8b 8a be 00 00 00 	mov    0xbe(%rdx),%cx
-    9634:	66 39 4c 24 06       	cmp    %cx,0x6(%rsp)
-    9639:	74 95                	je     95d0 <do_kill+0x1bd>
-    963b:	66 39 0c 24          	cmp    %cx,(%rsp)
-    963f:	75 92                	jne    95d3 <do_kill+0x1c0>
-    9641:	eb 8d                	jmp    95d0 <do_kill+0x1bd>
-    9643:	83 c4 08             	add    $0x8,%esp
-    9646:	5b                   	pop    %rbx
-    9647:	5e                   	pop    %rsi
-    9648:	5f                   	pop    %rdi
-    9649:	5d                   	pop    %rbp
-    964a:	c3                   	retq   
-
-000000000000964b <sys_kill>:
-    964b:	a1 00 2d 01 00 83 b8 	movabs 0xbcb88300012d00,%eax
-    9652:	bc 00 
-    9654:	00 00                	add    %al,(%rax)
-    9656:	00 0f                	add    %cl,(%rdi)
-    9658:	94                   	xchg   %eax,%esp
-    9659:	c0 0f b6             	rorb   $0xb6,(%rdi)
-    965c:	c0 50 ff 74          	rclb   $0x74,-0x1(%rax)
-    9660:	24 0c                	and    $0xc,%al
-    9662:	ff 74 24 0c          	pushq  0xc(%rsp)
-    9666:	e8 a8 fd ff ff       	callq  9413 <do_kill>
-    966b:	83 c4 0c             	add    $0xc,%esp
-    966e:	b8 00 00 00 00       	mov    $0x0,%eax
-    9673:	c3                   	retq   
-
-0000000000009674 <do_exit>:
-    9674:	56                   	push   %rsi
-    9675:	53                   	push   %rbx
-    9676:	83 ec 0c             	sub    $0xc,%esp
-    9679:	b8 0f 00 00 00       	mov    $0xf,%eax
-    967e:	0f 03 c0             	lsl    %ax,%eax
-    9681:	40 8b 15 00 2d 01 00 	rex mov 0x12d00(%rip),%edx        # 1c388 <end+0x2180>
-    9688:	8a b2 57 01 00 00    	mov    0x157(%rdx),%dh
-    968e:	8a 92 54 01 00 00    	mov    0x154(%rdx),%dl
-    9694:	c1 e2 10             	shl    $0x10,%edx
-    9697:	66 8b 92 52 01 00 00 	mov    0x152(%rdx),%dx
-    969e:	50                   	push   %rax
-    969f:	52                   	push   %rdx
-    96a0:	e8 be 04 00 00       	callq  9b63 <free_page_tables>
-    96a5:	b8 17 00 00 00       	mov    $0x17,%eax
-    96aa:	0f 03 c0             	lsl    %ax,%eax
-    96ad:	40 8b 15 00 2d 01 00 	rex mov 0x12d00(%rip),%edx        # 1c3b4 <end+0x21ac>
-    96b4:	8a b2 5f 01 00 00    	mov    0x15f(%rdx),%dh
-    96ba:	8a 92 5c 01 00 00    	mov    0x15c(%rdx),%dl
-    96c0:	c1 e2 10             	shl    $0x10,%edx
-    96c3:	66 8b 92 5a 01 00 00 	mov    0x15a(%rdx),%dx
-    96ca:	83 c4 08             	add    $0x8,%esp
-    96cd:	50                   	push   %rax
-    96ce:	52                   	push   %rdx
-    96cf:	e8 8f 04 00 00       	callq  9b63 <free_page_tables>
-    96d4:	8b 1d 00 2d 01 00    	mov    0x12d00(%rip),%ebx        # 1c3da <end+0x21d2>
-    96da:	b8 00 2c 01 00       	mov    $0x12c00,%eax
-    96df:	b9 00 2d 01 00       	mov    $0x12d00,%ecx
-    96e4:	83 c4 10             	add    $0x10,%esp
-    96e7:	eb 07                	jmp    96f0 <do_exit+0x7c>
-    96e9:	83 c0 04             	add    $0x4,%eax
-    96ec:	39 c8                	cmp    %ecx,%eax
-    96ee:	74 20                	je     9710 <do_exit+0x9c>
-    96f0:	8b 10                	mov    (%rax),%edx
-    96f2:	85 d2                	test   %edx,%edx
-    96f4:	74 f3                	je     96e9 <do_exit+0x75>
-    96f6:	8b b3 a8 00 00 00    	mov    0xa8(%rbx),%esi
-    96fc:	39 b2 ac 00 00 00    	cmp    %esi,0xac(%rdx)
-    9702:	75 e5                	jne    96e9 <do_exit+0x75>
-    9704:	c7 82 ac 00 00 00 00 	movl   $0x0,0xac(%rdx)
-    970b:	00 00 00 
-    970e:	eb d9                	jmp    96e9 <do_exit+0x75>
-    9710:	bb 00 00 00 00       	mov    $0x0,%ebx
-    9715:	eb 12                	jmp    9729 <do_exit+0xb5>
-    9717:	83 ec 0c             	sub    $0xc,%esp
-    971a:	53                   	push   %rbx
-    971b:	e8 79 0d 00 00       	callq  a499 <sys_close>
-    9720:	83 c4 10             	add    $0x10,%esp
-    9723:	43 83 fb 14          	rex.XB cmp $0x14,%r11d
-    9727:	74 11                	je     973a <do_exit+0xc6>
-    9729:	a1 00 2d 01 00 83 bc 	movabs 0xf898bc8300012d00,%eax
-    9730:	98 f8 
-    9732:	00 00                	add    %al,(%rax)
-    9734:	00 00                	add    %al,(%rax)
-    9736:	75 df                	jne    9717 <do_exit+0xa3>
-    9738:	eb e9                	jmp    9723 <do_exit+0xaf>
-    973a:	83 ec 0c             	sub    $0xc,%esp
-    973d:	a1 00 2d 01 00 ff b0 	movabs 0xecb0ff00012d00,%eax
-    9744:	ec 00 
-    9746:	00 00                	add    %al,(%rax)
-    9748:	e8 d9 15 00 00       	callq  ad26 <iput>
-    974d:	a1 00 2d 01 00 c7 80 	movabs 0xec80c700012d00,%eax
-    9754:	ec 00 
-    9756:	00 00                	add    %al,(%rax)
-    9758:	00 00                	add    %al,(%rax)
-    975a:	00 00                	add    %al,(%rax)
-    975c:	83 c4 04             	add    $0x4,%esp
-    975f:	ff b0 f0 00 00 00    	pushq  0xf0(%rax)
-    9765:	e8 bc 15 00 00       	callq  ad26 <iput>
-    976a:	a1 00 2d 01 00 c7 80 	movabs 0xf080c700012d00,%eax
-    9771:	f0 00 
-    9773:	00 00                	add    %al,(%rax)
-    9775:	00 00                	add    %al,(%rax)
-    9777:	00 00                	add    %al,(%rax)
-    9779:	83 c4 10             	add    $0x10,%esp
-    977c:	83 b8 b8 00 00 00 00 	cmpl   $0x0,0xb8(%rax)
-    9783:	74 23                	je     97a8 <do_exit+0x134>
-    9785:	8b 88 e4 00 00 00    	mov    0xe4(%rax),%ecx
-    978b:	85 c9                	test   %ecx,%ecx
-    978d:	78 19                	js     97a8 <do_exit+0x134>
-    978f:	8d 14 09             	lea    (%rcx,%rcx,1),%edx
-    9792:	01 ca                	add    %ecx,%edx
-    9794:	89 d1                	mov    %edx,%ecx
-    9796:	c1 e1 05             	shl    $0x5,%ecx
-    9799:	01 ca                	add    %ecx,%edx
-    979b:	c1 e2 05             	shl    $0x5,%edx
-    979e:	c7 82 84 3e 01 00 00 	movl   $0x0,0x13e84(%rdx)
-    97a5:	00 00 00 
-    97a8:	3b 05 00 69 01 00    	cmp    0x16900(%rip),%eax        # 200ae <end+0x5ea6>
-    97ae:	74 25                	je     97d5 <do_exit+0x161>
-    97b0:	83 b8 ac 00 00 00 00 	cmpl   $0x0,0xac(%rax)
-    97b7:	75 28                	jne    97e1 <do_exit+0x16d>
-    97b9:	83 ec 0c             	sub    $0xc,%esp
-    97bc:	50                   	push   %rax
-    97bd:	e8 f3 fb ff ff       	callq  93b5 <release>
-    97c2:	83 c4 10             	add    $0x10,%esp
-    97c5:	e8 6c bd ff ff       	callq  5536 <schedule>
-    97ca:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    97cf:	83 c4 04             	add    $0x4,%esp
-    97d2:	5b                   	pop    %rbx
-    97d3:	5e                   	pop    %rsi
-    97d4:	c3                   	retq   
-    97d5:	c7 05 00 69 01 00 00 	movl   $0x0,0x16900(%rip)        # 200df <end+0x5ed7>
-    97dc:	00 00 00 
-    97df:	eb cf                	jmp    97b0 <do_exit+0x13c>
-    97e1:	c7 00 03 00 00 00    	movl   $0x3,(%rax)
-    97e7:	83 ec 04             	sub    $0x4,%esp
-    97ea:	6a 01                	pushq  $0x1
-    97ec:	6a 11                	pushq  $0x11
-    97ee:	a1 00 2d 01 00 ff b0 	movabs 0xacb0ff00012d00,%eax
-    97f5:	ac 00 
-    97f7:	00 00                	add    %al,(%rax)
-    97f9:	e8 15 fc ff ff       	callq  9413 <do_kill>
-    97fe:	8b 54 24 20          	mov    0x20(%rsp),%edx
-    9802:	a1 00 2d 01 00 89 90 	movabs 0x94908900012d00,%eax
-    9809:	94 00 
-    980b:	00 00                	add    %al,(%rax)
-    980d:	83 c4 10             	add    $0x10,%esp
-    9810:	eb b3                	jmp    97c5 <do_exit+0x151>
-
-0000000000009812 <sys_exit>:
-    9812:	83 ec 18             	sub    $0x18,%esp
-    9815:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    9819:	c1 e0 08             	shl    $0x8,%eax
-    981c:	0f b7 c0             	movzwl %ax,%eax
-    981f:	50                   	push   %rax
-    9820:	e8 4f fe ff ff       	callq  9674 <do_exit>
-    9825:	83 c4 1c             	add    $0x1c,%esp
-    9828:	c3                   	retq   
-
-0000000000009829 <sys_waitpid>:
-    9829:	55                   	push   %rbp
-    982a:	57                   	push   %rdi
-    982b:	56                   	push   %rsi
-    982c:	53                   	push   %rbx
-    982d:	83 ec 24             	sub    $0x24,%esp
-    9830:	8b 5c 24 38          	mov    0x38(%rsp),%ebx
-    9834:	6a 04                	pushq  $0x4
-    9836:	ff 74 24 40          	pushq  0x40(%rsp)
-    983a:	e8 0a c8 ff ff       	callq  6049 <verify_area>
-    983f:	83 c4 10             	add    $0x10,%esp
-    9842:	be 00 00 00 00       	mov    $0x0,%esi
-    9847:	89 dd                	mov    %ebx,%ebp
-    9849:	f7 dd                	neg    %ebp
-    984b:	bf 01 00 00 00       	mov    $0x1,%edi
-    9850:	e9 ca 00 00 00       	jmpq   991f <sys_waitpid+0xf6>
-    9855:	85 db                	test   %ebx,%ebx
-    9857:	79 1a                	jns    9873 <sys_waitpid+0x4a>
-    9859:	8b 6c 24 0c          	mov    0xc(%rsp),%ebp
-    985d:	39 aa b0 00 00 00    	cmp    %ebp,0xb0(%rdx)
-    9863:	75 0e                	jne    9873 <sys_waitpid+0x4a>
-    9865:	8b a9 a8 00 00 00    	mov    0xa8(%rcx),%ebp
-    986b:	39 aa ac 00 00 00    	cmp    %ebp,0xac(%rdx)
-    9871:	74 35                	je     98a8 <sys_waitpid+0x7f>
-    9873:	83 e8 04             	sub    $0x4,%eax
-    9876:	3d 00 2c 01 00       	cmp    $0x12c00,%eax
-    987b:	76 79                	jbe    98f6 <sys_waitpid+0xcd>
-    987d:	8b 10                	mov    (%rax),%edx
-    987f:	85 d2                	test   %edx,%edx
-    9881:	74 f0                	je     9873 <sys_waitpid+0x4a>
-    9883:	39 ca                	cmp    %ecx,%edx
-    9885:	74 ec                	je     9873 <sys_waitpid+0x4a>
-    9887:	83 fb ff             	cmp    $0xffffffff,%ebx
-    988a:	74 d9                	je     9865 <sys_waitpid+0x3c>
-    988c:	39 9a a8 00 00 00    	cmp    %ebx,0xa8(%rdx)
-    9892:	74 d1                	je     9865 <sys_waitpid+0x3c>
-    9894:	85 db                	test   %ebx,%ebx
-    9896:	75 bd                	jne    9855 <sys_waitpid+0x2c>
-    9898:	8b a9 b0 00 00 00    	mov    0xb0(%rcx),%ebp
-    989e:	39 aa b0 00 00 00    	cmp    %ebp,0xb0(%rdx)
-    98a4:	75 cd                	jne    9873 <sys_waitpid+0x4a>
-    98a6:	eb bd                	jmp    9865 <sys_waitpid+0x3c>
-    98a8:	83 3a 03             	cmpl   $0x3,(%rdx)
-    98ab:	74 04                	je     98b1 <sys_waitpid+0x88>
-    98ad:	89 fe                	mov    %edi,%esi
-    98af:	eb c2                	jmp    9873 <sys_waitpid+0x4a>
-    98b1:	8b 9a 94 00 00 00    	mov    0x94(%rdx),%ebx
-    98b7:	8b 7c 24 34          	mov    0x34(%rsp),%edi
-    98bb:	64 89 1f             	mov    %ebx,%fs:(%rdi)
-    98be:	8b 92 cc 00 00 00    	mov    0xcc(%rdx),%edx
-    98c4:	01 91 d4 00 00 00    	add    %edx,0xd4(%rcx)
-    98ca:	8b 10                	mov    (%rax),%edx
-    98cc:	8b 92 d0 00 00 00    	mov    0xd0(%rdx),%edx
-    98d2:	01 91 d8 00 00 00    	add    %edx,0xd8(%rcx)
-    98d8:	8b 00                	mov    (%rax),%eax
-    98da:	8b 98 a8 00 00 00    	mov    0xa8(%rax),%ebx
-    98e0:	83 ec 0c             	sub    $0xc,%esp
-    98e3:	50                   	push   %rax
-    98e4:	e8 cc fa ff ff       	callq  93b5 <release>
-    98e9:	83 c4 10             	add    $0x10,%esp
-    98ec:	89 d8                	mov    %ebx,%eax
-    98ee:	83 c4 1c             	add    $0x1c,%esp
-    98f1:	5b                   	pop    %rbx
-    98f2:	5e                   	pop    %rsi
-    98f3:	5f                   	pop    %rdi
-    98f4:	5d                   	pop    %rbp
-    98f5:	c3                   	retq   
-    98f6:	8b 6c 24 0c          	mov    0xc(%rsp),%ebp
-    98fa:	85 f6                	test   %esi,%esi
-    98fc:	74 3c                	je     993a <sys_waitpid+0x111>
-    98fe:	f6 44 24 38 01       	testb  $0x1,0x38(%rsp)
-    9903:	75 3c                	jne    9941 <sys_waitpid+0x118>
-    9905:	e8 3a bd ff ff       	callq  5644 <sys_pause>
-    990a:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1c610 <end+0x2408>
-    9910:	8b 42 0c             	mov    0xc(%rdx),%eax
-    9913:	25 ff ff fe ff       	and    $0xfffeffff,%eax
-    9918:	89 42 0c             	mov    %eax,0xc(%rdx)
-    991b:	85 c0                	test   %eax,%eax
-    991d:	75 14                	jne    9933 <sys_waitpid+0x10a>
-    991f:	8b 0d 00 2d 01 00    	mov    0x12d00(%rip),%ecx        # 1c625 <end+0x241d>
-    9925:	b8 fc 2c 01 00       	mov    $0x12cfc,%eax
-    992a:	89 6c 24 0c          	mov    %ebp,0xc(%rsp)
-    992e:	e9 4a ff ff ff       	jmpq   987d <sys_waitpid+0x54>
-    9933:	bb fc ff ff ff       	mov    $0xfffffffc,%ebx
-    9938:	eb b2                	jmp    98ec <sys_waitpid+0xc3>
-    993a:	bb f6 ff ff ff       	mov    $0xfffffff6,%ebx
-    993f:	eb ab                	jmp    98ec <sys_waitpid+0xc3>
-    9941:	bb 00 00 00 00       	mov    $0x0,%ebx
-    9946:	eb a4                	jmp    98ec <sys_waitpid+0xc3>
-    9948:	56                   	push   %rsi
-    9949:	53                   	push   %rbx
-    994a:	89 c1                	mov    %eax,%ecx
-    994c:	8d 70 03             	lea    0x3(%rax),%esi
-    994f:	b8 80 00 00 00       	mov    $0x80,%eax
-    9954:	89 f2                	mov    %esi,%edx
-    9956:	ee                   	out    %al,(%dx)
-    9957:	eb 00                	jmp    9959 <sys_waitpid+0x130>
-    9959:	eb 00                	jmp    995b <sys_waitpid+0x132>
-    995b:	b8 30 00 00 00       	mov    $0x30,%eax
-    9960:	89 ca                	mov    %ecx,%edx
-    9962:	ee                   	out    %al,(%dx)
-    9963:	eb 00                	jmp    9965 <sys_waitpid+0x13c>
-    9965:	eb 00                	jmp    9967 <sys_waitpid+0x13e>
-    9967:	8d 59 01             	lea    0x1(%rcx),%ebx
-    996a:	b8 00 00 00 00       	mov    $0x0,%eax
-    996f:	89 da                	mov    %ebx,%edx
-    9971:	ee                   	out    %al,(%dx)
-    9972:	eb 00                	jmp    9974 <sys_waitpid+0x14b>
-    9974:	eb 00                	jmp    9976 <sys_waitpid+0x14d>
-    9976:	b8 03 00 00 00       	mov    $0x3,%eax
-    997b:	89 f2                	mov    %esi,%edx
-    997d:	ee                   	out    %al,(%dx)
-    997e:	eb 00                	jmp    9980 <sys_waitpid+0x157>
-    9980:	eb 00                	jmp    9982 <sys_waitpid+0x159>
-    9982:	8d 51 04             	lea    0x4(%rcx),%edx
-    9985:	b8 0b 00 00 00       	mov    $0xb,%eax
-    998a:	ee                   	out    %al,(%dx)
-    998b:	eb 00                	jmp    998d <sys_waitpid+0x164>
-    998d:	eb 00                	jmp    998f <sys_waitpid+0x166>
-    998f:	b8 0d 00 00 00       	mov    $0xd,%eax
-    9994:	89 da                	mov    %ebx,%edx
-    9996:	ee                   	out    %al,(%dx)
-    9997:	eb 00                	jmp    9999 <sys_waitpid+0x170>
-    9999:	eb 00                	jmp    999b <sys_waitpid+0x172>
-    999b:	89 ca                	mov    %ecx,%edx
-    999d:	ec                   	in     (%dx),%al
-    999e:	5b                   	pop    %rbx
-    999f:	5e                   	pop    %rsi
-    99a0:	c3                   	retq   
-
-00000000000099a1 <rs_init>:
-    99a1:	b8 00 00 08 00       	mov    $0x80000,%eax
-    99a6:	ba b8 86 00 00       	mov    $0x86b8,%edx
-    99ab:	66 89 d0             	mov    %dx,%ax
-    99ae:	66 ba 00 8e          	mov    $0x8e00,%dx
-    99b2:	a3 98 41 00 00 89 15 	movabs %eax,0x419c158900004198
-    99b9:	9c 41 
-    99bb:	00 00                	add    %al,(%rax)
-    99bd:	ba c0 86 00 00       	mov    $0x86c0,%edx
-    99c2:	66 89 d0             	mov    %dx,%ax
-    99c5:	66 ba 00 8e          	mov    $0x8e00,%dx
-    99c9:	a3 90 41 00 00 89 15 	movabs %eax,0x4194158900004190
-    99d0:	94 41 
-    99d2:	00 00                	add    %al,(%rax)
-    99d4:	a1 f0 4a 01 00 e8 6a 	movabs 0xffff6ae800014af0,%eax
-    99db:	ff ff 
-    99dd:	ff a1 50 57 01 00    	jmpq   *0x15750(%rcx)
-    99e3:	e8 60 ff ff ff       	callq  9948 <sys_waitpid+0x11f>
-    99e8:	ba 21 00 00 00       	mov    $0x21,%edx
-    99ed:	ec                   	in     (%dx),%al
-    99ee:	eb 00                	jmp    99f0 <rs_init+0x4f>
-    99f0:	eb 00                	jmp    99f2 <rs_init+0x51>
-    99f2:	25 e7 00 00 00       	and    $0xe7,%eax
-    99f7:	ee                   	out    %al,(%dx)
-    99f8:	c3                   	retq   
-
-00000000000099f9 <rs_write>:
-    99f9:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    99fd:	fa                   	cli    
-    99fe:	8b 88 48 04 00 00    	mov    0x448(%rax),%ecx
-    9a04:	39 88 44 04 00 00    	cmp    %ecx,0x444(%rax)
-    9a0a:	74 13                	je     9a1f <rs_write+0x26>
-    9a0c:	8b 90 40 04 00 00    	mov    0x440(%rax),%edx
-    9a12:	42 ec                	rex.X in (%dx),%al
-    9a14:	eb 00                	jmp    9a16 <rs_write+0x1d>
-    9a16:	eb 00                	jmp    9a18 <rs_write+0x1f>
-    9a18:	83 c8 02             	or     $0x2,%eax
-    9a1b:	0f b6 c0             	movzbl %al,%eax
-    9a1e:	ee                   	out    %al,(%dx)
-    9a1f:	fb                   	sti    
-    9a20:	c3                   	retq   
-
-0000000000009a21 <kernel_mktime>:
-    9a21:	56                   	push   %rsi
-    9a22:	53                   	push   %rbx
-    9a23:	8b 54 24 0c          	mov    0xc(%rsp),%edx
-    9a27:	8b 5a 14             	mov    0x14(%rdx),%ebx
-    9a2a:	8d 4b bb             	lea    -0x45(%rbx),%ecx
-    9a2d:	89 c8                	mov    %ecx,%eax
-    9a2f:	85 c9                	test   %ecx,%ecx
-    9a31:	0f 88 8c 00 00 00    	js     9ac3 <kernel_mktime+0xa2>
-    9a37:	c1 f8 02             	sar    $0x2,%eax
-    9a3a:	8d 0c 80             	lea    (%rax,%rax,4),%ecx
-    9a3d:	8d 0c 88             	lea    (%rax,%rcx,4),%ecx
-    9a40:	8d 0c c8             	lea    (%rax,%rcx,8),%ecx
-    9a43:	c1 e1 02             	shl    $0x2,%ecx
-    9a46:	29 c1                	sub    %eax,%ecx
-    9a48:	89 c8                	mov    %ecx,%eax
-    9a4a:	8d 4b ba             	lea    -0x46(%rbx),%ecx
-    9a4d:	89 ce                	mov    %ecx,%esi
-    9a4f:	c1 e6 09             	shl    $0x9,%esi
-    9a52:	01 ce                	add    %ecx,%esi
-    9a54:	8d 34 b1             	lea    (%rcx,%rsi,4),%esi
-    9a57:	8d 34 f1             	lea    (%rcx,%rsi,8),%esi
-    9a5a:	89 f1                	mov    %esi,%ecx
-    9a5c:	c1 e1 04             	shl    $0x4,%ecx
-    9a5f:	29 f1                	sub    %esi,%ecx
-    9a61:	8d 0c 01             	lea    (%rcx,%rax,1),%ecx
-    9a64:	c1 e1 07             	shl    $0x7,%ecx
-    9a67:	8b 42 10             	mov    0x10(%rdx),%eax
-    9a6a:	03 0c 85 c0 ef 00 00 	add    0xefc0(,%rax,4),%ecx
-    9a71:	83 f8 01             	cmp    $0x1,%eax
-    9a74:	7e 0b                	jle    9a81 <kernel_mktime+0x60>
-    9a76:	f6 c3 03             	test   $0x3,%bl
-    9a79:	74 06                	je     9a81 <kernel_mktime+0x60>
-    9a7b:	81 e9 80 51 01 00    	sub    $0x15180,%ecx
-    9a81:	8b 42 0c             	mov    0xc(%rdx),%eax
-    9a84:	8d 58 ff             	lea    -0x1(%rax),%ebx
-    9a87:	8d 04 9b             	lea    (%rbx,%rbx,4),%eax
-    9a8a:	8d 04 83             	lea    (%rbx,%rax,4),%eax
-    9a8d:	8d 04 c3             	lea    (%rbx,%rax,8),%eax
-    9a90:	c1 e0 02             	shl    $0x2,%eax
-    9a93:	29 d8                	sub    %ebx,%eax
-    9a95:	c1 e0 07             	shl    $0x7,%eax
-    9a98:	01 c1                	add    %eax,%ecx
-    9a9a:	8b 5a 08             	mov    0x8(%rdx),%ebx
-    9a9d:	8d 04 1b             	lea    (%rbx,%rbx,1),%eax
-    9aa0:	01 d8                	add    %ebx,%eax
-    9aa2:	01 c0                	add    %eax,%eax
-    9aa4:	01 d8                	add    %ebx,%eax
-    9aa6:	c1 e0 05             	shl    $0x5,%eax
-    9aa9:	01 d8                	add    %ebx,%eax
-    9aab:	c1 e0 04             	shl    $0x4,%eax
-    9aae:	01 c8                	add    %ecx,%eax
-    9ab0:	8b 5a 04             	mov    0x4(%rdx),%ebx
-    9ab3:	8d 0c 1b             	lea    (%rbx,%rbx,1),%ecx
-    9ab6:	01 d9                	add    %ebx,%ecx
-    9ab8:	8d 0c 89             	lea    (%rcx,%rcx,4),%ecx
-    9abb:	8d 04 88             	lea    (%rax,%rcx,4),%eax
-    9abe:	03 02                	add    (%rdx),%eax
-    9ac0:	5b                   	pop    %rbx
-    9ac1:	5e                   	pop    %rsi
-    9ac2:	c3                   	retq   
-    9ac3:	8d 43 be             	lea    -0x42(%rbx),%eax
-    9ac6:	e9 6c ff ff ff       	jmpq   9a37 <kernel_mktime+0x16>
-
-0000000000009acb <get_free_page>:
-    9acb:	53                   	push   %rbx
-    9acc:	b8 00 00 00 00       	mov    $0x0,%eax
-    9ad1:	b9 00 06 00 00       	mov    $0x600,%ecx
-    9ad6:	bb be 7e 01 00       	mov    $0x17ebe,%ebx
-    9adb:	fd                   	std    
-    9adc:	f2 66 af             	repnz scas %es:(%rdi),%ax
-    9adf:	75 20                	jne    9b01 <get_free_page+0x36>
-    9ae1:	66 c7 47 02 01 00    	movw   $0x1,0x2(%rdi)
-    9ae7:	c1 e1 0c             	shl    $0xc,%ecx
-    9aea:	89 ca                	mov    %ecx,%edx
-    9aec:	81 c2 00 00 20 00    	add    $0x200000,%edx
-    9af2:	b9 00 04 00 00       	mov    $0x400,%ecx
-    9af7:	8d ba fc 0f 00 00    	lea    0xffc(%rdx),%edi
-    9afd:	f3 ab                	rep stos %eax,%es:(%rdi)
-    9aff:	89 d0                	mov    %edx,%eax
-    9b01:	5b                   	pop    %rbx
-    9b02:	c3                   	retq   
-
-0000000000009b03 <free_page>:
-    9b03:	53                   	push   %rbx
-    9b04:	83 ec 08             	sub    $0x8,%esp
-    9b07:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    9b0b:	81 fb ff ff 1f 00    	cmp    $0x1fffff,%ebx
-    9b11:	76 27                	jbe    9b3a <free_page+0x37>
-    9b13:	81 fb 00 00 80 00    	cmp    $0x800000,%ebx
-    9b19:	77 24                	ja     9b3f <free_page+0x3c>
-    9b1b:	81 eb 00 00 20 00    	sub    $0x200000,%ebx
-    9b21:	c1 eb 0c             	shr    $0xc,%ebx
-    9b24:	66 8b 84 1b c0 72 01 	mov    0x172c0(%rbx,%rbx,1),%ax
-    9b2b:	00 
-    9b2c:	66 85 c0             	test   %ax,%ax
-    9b2f:	74 20                	je     9b51 <free_page+0x4e>
-    9b31:	48                   	rex.W
-    9b32:	66 89 84 1b c0 72 01 	mov    %ax,0x172c0(%rbx,%rbx,1)
-    9b39:	00 
-    9b3a:	83 c4 08             	add    $0x8,%esp
-    9b3d:	5b                   	pop    %rbx
-    9b3e:	c3                   	retq   
-    9b3f:	83 ec 0c             	sub    $0xc,%esp
-    9b42:	68 18 f9 00 00       	pushq  $0xf918
-    9b47:	e8 37 c9 ff ff       	callq  6483 <panic>
-    9b4c:	83 c4 10             	add    $0x10,%esp
-    9b4f:	eb ca                	jmp    9b1b <free_page+0x18>
-    9b51:	83 ec 0c             	sub    $0xc,%esp
-    9b54:	68 9b f3 00 00       	pushq  $0xf39b
-    9b59:	e8 25 c9 ff ff       	callq  6483 <panic>
-    9b5e:	83 c4 10             	add    $0x10,%esp
-    9b61:	eb d7                	jmp    9b3a <free_page+0x37>
-
-0000000000009b63 <free_page_tables>:
-    9b63:	55                   	push   %rbp
-    9b64:	57                   	push   %rdi
-    9b65:	56                   	push   %rsi
-    9b66:	53                   	push   %rbx
-    9b67:	83 ec 0c             	sub    $0xc,%esp
-    9b6a:	8b 7c 24 20          	mov    0x20(%rsp),%edi
-    9b6e:	f7 c7 ff ff 3f 00    	test   $0x3fffff,%edi
-    9b74:	75 30                	jne    9ba6 <free_page_tables+0x43>
-    9b76:	85 ff                	test   %edi,%edi
-    9b78:	74 3e                	je     9bb8 <free_page_tables+0x55>
-    9b7a:	8b 44 24 24          	mov    0x24(%rsp),%eax
-    9b7e:	05 ff ff 3f 00       	add    $0x3fffff,%eax
-    9b83:	c1 e8 16             	shr    $0x16,%eax
-    9b86:	c1 ef 14             	shr    $0x14,%edi
-    9b89:	81 e7 fc 0f 00 00    	and    $0xffc,%edi
-    9b8f:	8d 68 ff             	lea    -0x1(%rax),%ebp
-    9b92:	85 c0                	test   %eax,%eax
-    9b94:	75 7c                	jne    9c12 <free_page_tables+0xaf>
-    9b96:	b8 00 00 00 00       	mov    $0x0,%eax
-    9b9b:	0f 22 d8             	mov    %rax,%cr3
-    9b9e:	83 c4 0c             	add    $0xc,%esp
-    9ba1:	5b                   	pop    %rbx
-    9ba2:	5e                   	pop    %rsi
-    9ba3:	5f                   	pop    %rdi
-    9ba4:	5d                   	pop    %rbp
-    9ba5:	c3                   	retq   
-    9ba6:	83 ec 0c             	sub    $0xc,%esp
-    9ba9:	68 38 f9 00 00       	pushq  $0xf938
-    9bae:	e8 d0 c8 ff ff       	callq  6483 <panic>
-    9bb3:	83 c4 10             	add    $0x10,%esp
-    9bb6:	eb be                	jmp    9b76 <free_page_tables+0x13>
-    9bb8:	83 ec 0c             	sub    $0xc,%esp
-    9bbb:	68 68 f9 00 00       	pushq  $0xf968
-    9bc0:	e8 be c8 ff ff       	callq  6483 <panic>
-    9bc5:	83 c4 10             	add    $0x10,%esp
-    9bc8:	eb b0                	jmp    9b7a <free_page_tables+0x17>
-    9bca:	c7 03 00 00 00 00    	movl   $0x0,(%rbx)
-    9bd0:	83 c3 04             	add    $0x4,%ebx
-    9bd3:	39 de                	cmp    %ebx,%esi
-    9bd5:	74 19                	je     9bf0 <free_page_tables+0x8d>
-    9bd7:	8b 03                	mov    (%rbx),%eax
-    9bd9:	a8 01                	test   $0x1,%al
-    9bdb:	74 ed                	je     9bca <free_page_tables+0x67>
-    9bdd:	83 ec 0c             	sub    $0xc,%esp
-    9be0:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    9be5:	50                   	push   %rax
-    9be6:	e8 18 ff ff ff       	callq  9b03 <free_page>
-    9beb:	83 c4 10             	add    $0x10,%esp
-    9bee:	eb da                	jmp    9bca <free_page_tables+0x67>
-    9bf0:	83 ec 0c             	sub    $0xc,%esp
-    9bf3:	8b 07                	mov    (%rdi),%eax
-    9bf5:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    9bfa:	50                   	push   %rax
-    9bfb:	e8 03 ff ff ff       	callq  9b03 <free_page>
-    9c00:	c7 07 00 00 00 00    	movl   $0x0,(%rdi)
-    9c06:	83 c4 10             	add    $0x10,%esp
-    9c09:	83 c7 04             	add    $0x4,%edi
-    9c0c:	4d 83 fd ff          	rex.WRB cmp $0xffffffffffffffff,%r13
-    9c10:	74 84                	je     9b96 <free_page_tables+0x33>
-    9c12:	8b 37                	mov    (%rdi),%esi
-    9c14:	f7 c6 01 00 00 00    	test   $0x1,%esi
-    9c1a:	74 ed                	je     9c09 <free_page_tables+0xa6>
-    9c1c:	81 e6 00 f0 ff ff    	and    $0xfffff000,%esi
-    9c22:	89 f3                	mov    %esi,%ebx
-    9c24:	81 c6 00 10 00 00    	add    $0x1000,%esi
-    9c2a:	eb ab                	jmp    9bd7 <free_page_tables+0x74>
-
-0000000000009c2c <copy_page_tables>:
-    9c2c:	55                   	push   %rbp
-    9c2d:	57                   	push   %rdi
-    9c2e:	56                   	push   %rsi
-    9c2f:	53                   	push   %rbx
-    9c30:	83 ec 1c             	sub    $0x1c,%esp
-    9c33:	8b 5c 24 30          	mov    0x30(%rsp),%ebx
-    9c37:	8b 74 24 34          	mov    0x34(%rsp),%esi
-    9c3b:	89 d8                	mov    %ebx,%eax
-    9c3d:	09 f0                	or     %esi,%eax
-    9c3f:	a9 ff ff 3f 00       	test   $0x3fffff,%eax
-    9c44:	74 10                	je     9c56 <copy_page_tables+0x2a>
-    9c46:	83 ec 0c             	sub    $0xc,%esp
-    9c49:	68 90 f9 00 00       	pushq  $0xf990
-    9c4e:	e8 30 c8 ff ff       	callq  6483 <panic>
-    9c53:	83 c4 10             	add    $0x10,%esp
-    9c56:	89 d9                	mov    %ebx,%ecx
-    9c58:	c1 e9 14             	shr    $0x14,%ecx
-    9c5b:	81 e1 fc 0f 00 00    	and    $0xffc,%ecx
-    9c61:	89 f0                	mov    %esi,%eax
-    9c63:	c1 e8 14             	shr    $0x14,%eax
-    9c66:	25 fc 0f 00 00       	and    $0xffc,%eax
-    9c6b:	89 c6                	mov    %eax,%esi
-    9c6d:	8b 7c 24 38          	mov    0x38(%rsp),%edi
-    9c71:	8d 97 ff ff 3f 00    	lea    0x3fffff(%rdi),%edx
-    9c77:	c1 ea 16             	shr    $0x16,%edx
-    9c7a:	8d 7a ff             	lea    -0x1(%rdx),%edi
-    9c7d:	85 d2                	test   %edx,%edx
-    9c7f:	0f 8e a4 00 00 00    	jle    9d29 <copy_page_tables+0xfd>
-    9c85:	83 fb 01             	cmp    $0x1,%ebx
-    9c88:	19 d2                	sbb    %edx,%edx
-    9c8a:	81 e2 a0 fc ff ff    	and    $0xfffffca0,%edx
-    9c90:	8d 9a ff 03 00 00    	lea    0x3ff(%rdx),%ebx
-    9c96:	89 5c 24 0c          	mov    %ebx,0xc(%rsp)
-    9c9a:	29 c1                	sub    %eax,%ecx
-    9c9c:	89 4c 24 08          	mov    %ecx,0x8(%rsp)
-    9ca0:	eb 51                	jmp    9cf3 <copy_page_tables+0xc7>
-    9ca2:	83 ec 0c             	sub    $0xc,%esp
-    9ca5:	68 c0 f9 00 00       	pushq  $0xf9c0
-    9caa:	e8 d4 c7 ff ff       	callq  6483 <panic>
-    9caf:	83 c4 10             	add    $0x10,%esp
-    9cb2:	eb 4b                	jmp    9cff <copy_page_tables+0xd3>
-    9cb4:	83 c3 04             	add    $0x4,%ebx
-    9cb7:	49 83 f9 ff          	cmp    $0xffffffffffffffff,%r9
-    9cbb:	74 2d                	je     9cea <copy_page_tables+0xbe>
-    9cbd:	8d 2c 03             	lea    (%rbx,%rax,1),%ebp
-    9cc0:	8b 13                	mov    (%rbx),%edx
-    9cc2:	f6 c2 01             	test   $0x1,%dl
-    9cc5:	74 ed                	je     9cb4 <copy_page_tables+0x88>
-    9cc7:	83 e2 fd             	and    $0xfffffffd,%edx
-    9cca:	89 55 00             	mov    %edx,0x0(%rbp)
-    9ccd:	81 fa 00 00 20 00    	cmp    $0x200000,%edx
-    9cd3:	76 df                	jbe    9cb4 <copy_page_tables+0x88>
-    9cd5:	89 13                	mov    %edx,(%rbx)
-    9cd7:	81 ea 00 00 20 00    	sub    $0x200000,%edx
-    9cdd:	c1 ea 0c             	shr    $0xc,%edx
-    9ce0:	66 ff 84 12 c0 72 01 	incw   0x172c0(%rdx,%rdx,1)
-    9ce7:	00 
-    9ce8:	eb ca                	jmp    9cb4 <copy_page_tables+0x88>
-    9cea:	83 c6 04             	add    $0x4,%esi
-    9ced:	4f 83 ff ff          	rex.WRXB cmp $0xffffffffffffffff,%r15
-    9cf1:	74 36                	je     9d29 <copy_page_tables+0xfd>
-    9cf3:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    9cf7:	8d 1c 06             	lea    (%rsi,%rax,1),%ebx
-    9cfa:	f6 06 01             	testb  $0x1,(%rsi)
-    9cfd:	75 a3                	jne    9ca2 <copy_page_tables+0x76>
-    9cff:	8b 2b                	mov    (%rbx),%ebp
-    9d01:	f7 c5 01 00 00 00    	test   $0x1,%ebp
-    9d07:	74 e1                	je     9cea <copy_page_tables+0xbe>
-    9d09:	81 e5 00 f0 ff ff    	and    $0xfffff000,%ebp
-    9d0f:	89 eb                	mov    %ebp,%ebx
-    9d11:	e8 b5 fd ff ff       	callq  9acb <get_free_page>
-    9d16:	85 c0                	test   %eax,%eax
-    9d18:	74 1f                	je     9d39 <copy_page_tables+0x10d>
-    9d1a:	89 c2                	mov    %eax,%edx
-    9d1c:	83 ca 07             	or     $0x7,%edx
-    9d1f:	89 16                	mov    %edx,(%rsi)
-    9d21:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    9d25:	29 e8                	sub    %ebp,%eax
-    9d27:	eb 94                	jmp    9cbd <copy_page_tables+0x91>
-    9d29:	b8 00 00 00 00       	mov    $0x0,%eax
-    9d2e:	0f 22 d8             	mov    %rax,%cr3
-    9d31:	83 c4 1c             	add    $0x1c,%esp
-    9d34:	5b                   	pop    %rbx
-    9d35:	5e                   	pop    %rsi
-    9d36:	5f                   	pop    %rdi
-    9d37:	5d                   	pop    %rbp
-    9d38:	c3                   	retq   
-    9d39:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    9d3e:	eb f1                	jmp    9d31 <copy_page_tables+0x105>
-
-0000000000009d40 <put_page>:
-    9d40:	57                   	push   %rdi
-    9d41:	56                   	push   %rsi
-    9d42:	53                   	push   %rbx
-    9d43:	8b 74 24 10          	mov    0x10(%rsp),%esi
-    9d47:	8b 5c 24 14          	mov    0x14(%rsp),%ebx
-    9d4b:	8d be 00 00 e0 ff    	lea    -0x200000(%rsi),%edi
-    9d51:	81 ff 00 00 60 00    	cmp    $0x600000,%edi
-    9d57:	77 3b                	ja     9d94 <put_page+0x54>
-    9d59:	c1 ef 0c             	shr    $0xc,%edi
-    9d5c:	66 83 bc 3f c0 72 01 	cmpw   $0x1,0x172c0(%rdi,%rdi,1)
-    9d63:	00 01 
-    9d65:	75 41                	jne    9da8 <put_page+0x68>
-    9d67:	89 df                	mov    %ebx,%edi
-    9d69:	c1 ef 14             	shr    $0x14,%edi
-    9d6c:	81 e7 fc 0f 00 00    	and    $0xffc,%edi
-    9d72:	8b 07                	mov    (%rdi),%eax
-    9d74:	a8 01                	test   $0x1,%al
-    9d76:	74 44                	je     9dbc <put_page+0x7c>
-    9d78:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    9d7d:	c1 eb 0c             	shr    $0xc,%ebx
-    9d80:	81 e3 ff 03 00 00    	and    $0x3ff,%ebx
-    9d86:	89 f2                	mov    %esi,%edx
-    9d88:	83 ca 07             	or     $0x7,%edx
-    9d8b:	89 14 98             	mov    %edx,(%rax,%rbx,4)
-    9d8e:	89 f0                	mov    %esi,%eax
-    9d90:	5b                   	pop    %rbx
-    9d91:	5e                   	pop    %rsi
-    9d92:	5f                   	pop    %rdi
-    9d93:	c3                   	retq   
-    9d94:	83 ec 04             	sub    $0x4,%esp
-    9d97:	53                   	push   %rbx
-    9d98:	56                   	push   %rsi
-    9d99:	68 b4 f3 00 00       	pushq  $0xf3b4
-    9d9e:	e8 0b c7 ff ff       	callq  64ae <printk>
-    9da3:	83 c4 10             	add    $0x10,%esp
-    9da6:	eb b1                	jmp    9d59 <put_page+0x19>
-    9da8:	83 ec 04             	sub    $0x4,%esp
-    9dab:	53                   	push   %rbx
-    9dac:	56                   	push   %rsi
-    9dad:	68 e0 f9 00 00       	pushq  $0xf9e0
-    9db2:	e8 f7 c6 ff ff       	callq  64ae <printk>
-    9db7:	83 c4 10             	add    $0x10,%esp
-    9dba:	eb ab                	jmp    9d67 <put_page+0x27>
-    9dbc:	e8 0a fd ff ff       	callq  9acb <get_free_page>
-    9dc1:	85 c0                	test   %eax,%eax
-    9dc3:	74 cb                	je     9d90 <put_page+0x50>
-    9dc5:	89 c2                	mov    %eax,%edx
-    9dc7:	83 ca 07             	or     $0x7,%edx
-    9dca:	89 17                	mov    %edx,(%rdi)
-    9dcc:	eb af                	jmp    9d7d <put_page+0x3d>
-
-0000000000009dce <un_wp_page>:
-    9dce:	57                   	push   %rdi
-    9dcf:	56                   	push   %rsi
-    9dd0:	53                   	push   %rbx
-    9dd1:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    9dd5:	8b 13                	mov    (%rbx),%edx
-    9dd7:	89 d6                	mov    %edx,%esi
-    9dd9:	81 e6 00 f0 ff ff    	and    $0xfffff000,%esi
-    9ddf:	81 fe ff ff 1f 00    	cmp    $0x1fffff,%esi
-    9de5:	76 57                	jbe    9e3e <un_wp_page+0x70>
-    9de7:	8d 86 00 00 e0 ff    	lea    -0x200000(%rsi),%eax
-    9ded:	c1 e8 0c             	shr    $0xc,%eax
-    9df0:	66 83 bc 00 c0 72 01 	cmpw   $0x1,0x172c0(%rax,%rax,1)
-    9df7:	00 01 
-    9df9:	74 3c                	je     9e37 <un_wp_page+0x69>
-    9dfb:	e8 cb fc ff ff       	callq  9acb <get_free_page>
-    9e00:	89 c7                	mov    %eax,%edi
-    9e02:	85 c0                	test   %eax,%eax
-    9e04:	75 0d                	jne    9e13 <un_wp_page+0x45>
-    9e06:	83 ec 0c             	sub    $0xc,%esp
-    9e09:	6a 0b                	pushq  $0xb
-    9e0b:	e8 64 f8 ff ff       	callq  9674 <do_exit>
-    9e10:	83 c4 10             	add    $0x10,%esp
-    9e13:	8d 86 00 00 e0 ff    	lea    -0x200000(%rsi),%eax
-    9e19:	c1 e8 0c             	shr    $0xc,%eax
-    9e1c:	66 ff 8c 00 c0 72 01 	decw   0x172c0(%rax,%rax,1)
-    9e23:	00 
-    9e24:	89 f8                	mov    %edi,%eax
-    9e26:	83 c8 07             	or     $0x7,%eax
-    9e29:	89 03                	mov    %eax,(%rbx)
-    9e2b:	b9 00 04 00 00       	mov    $0x400,%ecx
-    9e30:	fc                   	cld    
-    9e31:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    9e33:	5b                   	pop    %rbx
-    9e34:	5e                   	pop    %rsi
-    9e35:	5f                   	pop    %rdi
-    9e36:	c3                   	retq   
-    9e37:	83 ca 02             	or     $0x2,%edx
-    9e3a:	89 13                	mov    %edx,(%rbx)
-    9e3c:	eb f5                	jmp    9e33 <un_wp_page+0x65>
-    9e3e:	e8 88 fc ff ff       	callq  9acb <get_free_page>
-    9e43:	89 c7                	mov    %eax,%edi
-    9e45:	85 c0                	test   %eax,%eax
-    9e47:	75 db                	jne    9e24 <un_wp_page+0x56>
-    9e49:	83 ec 0c             	sub    $0xc,%esp
-    9e4c:	6a 0b                	pushq  $0xb
-    9e4e:	e8 21 f8 ff ff       	callq  9674 <do_exit>
-    9e53:	83 c4 10             	add    $0x10,%esp
-    9e56:	eb cc                	jmp    9e24 <un_wp_page+0x56>
-
-0000000000009e58 <do_wp_page>:
-    9e58:	83 ec 18             	sub    $0x18,%esp
-    9e5b:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    9e5f:	89 c2                	mov    %eax,%edx
-    9e61:	c1 ea 14             	shr    $0x14,%edx
-    9e64:	81 e2 fc 0f 00 00    	and    $0xffc,%edx
-    9e6a:	8b 12                	mov    (%rdx),%edx
-    9e6c:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    9e72:	c1 e8 0a             	shr    $0xa,%eax
-    9e75:	25 fc 0f 00 00       	and    $0xffc,%eax
-    9e7a:	09 d0                	or     %edx,%eax
-    9e7c:	50                   	push   %rax
-    9e7d:	e8 4c ff ff ff       	callq  9dce <un_wp_page>
-    9e82:	83 c4 1c             	add    $0x1c,%esp
-    9e85:	c3                   	retq   
-
-0000000000009e86 <write_verify>:
-    9e86:	83 ec 0c             	sub    $0xc,%esp
-    9e89:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    9e8d:	c1 e8 14             	shr    $0x14,%eax
-    9e90:	25 fc 0f 00 00       	and    $0xffc,%eax
-    9e95:	8b 00                	mov    (%rax),%eax
-    9e97:	a8 01                	test   $0x1,%al
-    9e99:	74 1f                	je     9eba <write_verify+0x34>
-    9e9b:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    9ea0:	89 c2                	mov    %eax,%edx
-    9ea2:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    9ea6:	c1 e8 0a             	shr    $0xa,%eax
-    9ea9:	25 fc 0f 00 00       	and    $0xffc,%eax
-    9eae:	09 d0                	or     %edx,%eax
-    9eb0:	8b 10                	mov    (%rax),%edx
-    9eb2:	83 e2 03             	and    $0x3,%edx
-    9eb5:	83 fa 01             	cmp    $0x1,%edx
-    9eb8:	74 04                	je     9ebe <write_verify+0x38>
-    9eba:	83 c4 0c             	add    $0xc,%esp
-    9ebd:	c3                   	retq   
-    9ebe:	83 ec 0c             	sub    $0xc,%esp
-    9ec1:	50                   	push   %rax
-    9ec2:	e8 07 ff ff ff       	callq  9dce <un_wp_page>
-    9ec7:	83 c4 10             	add    $0x10,%esp
-    9eca:	eb ee                	jmp    9eba <write_verify+0x34>
-
-0000000000009ecc <do_no_page>:
-    9ecc:	83 ec 0c             	sub    $0xc,%esp
-    9ecf:	e8 f7 fb ff ff       	callq  9acb <get_free_page>
-    9ed4:	85 c0                	test   %eax,%eax
-    9ed6:	74 14                	je     9eec <do_no_page+0x20>
-    9ed8:	83 ec 08             	sub    $0x8,%esp
-    9edb:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    9edf:	50                   	push   %rax
-    9ee0:	e8 5b fe ff ff       	callq  9d40 <put_page>
-    9ee5:	83 c4 10             	add    $0x10,%esp
-    9ee8:	85 c0                	test   %eax,%eax
-    9eea:	75 0d                	jne    9ef9 <do_no_page+0x2d>
-    9eec:	83 ec 0c             	sub    $0xc,%esp
-    9eef:	6a 0b                	pushq  $0xb
-    9ef1:	e8 7e f7 ff ff       	callq  9674 <do_exit>
-    9ef6:	83 c4 10             	add    $0x10,%esp
-    9ef9:	83 c4 0c             	add    $0xc,%esp
-    9efc:	c3                   	retq   
-
-0000000000009efd <calc_mem>:
-    9efd:	56                   	push   %rsi
-    9efe:	53                   	push   %rbx
-    9eff:	83 ec 04             	sub    $0x4,%esp
-    9f02:	b8 c0 72 01 00       	mov    $0x172c0,%eax
-    9f07:	b9 c0 7e 01 00       	mov    $0x17ec0,%ecx
-    9f0c:	ba 00 00 00 00       	mov    $0x0,%edx
-    9f11:	eb 07                	jmp    9f1a <calc_mem+0x1d>
-    9f13:	83 c0 02             	add    $0x2,%eax
-    9f16:	39 c8                	cmp    %ecx,%eax
-    9f18:	74 09                	je     9f23 <calc_mem+0x26>
-    9f1a:	66 83 38 00          	cmpw   $0x0,(%rax)
-    9f1e:	75 f3                	jne    9f13 <calc_mem+0x16>
-    9f20:	42 eb f0             	rex.X jmp 9f13 <calc_mem+0x16>
-    9f23:	83 ec 04             	sub    $0x4,%esp
-    9f26:	68 00 06 00 00       	pushq  $0x600
-    9f2b:	52                   	push   %rdx
-    9f2c:	68 d1 f3 00 00       	pushq  $0xf3d1
-    9f31:	e8 78 c5 ff ff       	callq  64ae <printk>
-    9f36:	83 c4 10             	add    $0x10,%esp
-    9f39:	bb 02 00 00 00       	mov    $0x2,%ebx
-    9f3e:	eb 1b                	jmp    9f5b <calc_mem+0x5e>
-    9f40:	83 ec 04             	sub    $0x4,%esp
-    9f43:	52                   	push   %rdx
-    9f44:	53                   	push   %rbx
-    9f45:	68 e9 f3 00 00       	pushq  $0xf3e9
-    9f4a:	e8 5f c5 ff ff       	callq  64ae <printk>
-    9f4f:	83 c4 10             	add    $0x10,%esp
-    9f52:	43 81 fb 00 04 00 00 	rex.XB cmp $0x400,%r11d
-    9f59:	74 2f                	je     9f8a <calc_mem+0x8d>
-    9f5b:	8b 04 9d 00 00 00 00 	mov    0x0(,%rbx,4),%eax
-    9f62:	a8 01                	test   $0x1,%al
-    9f64:	74 ec                	je     9f52 <calc_mem+0x55>
-    9f66:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    9f6b:	8d b0 00 10 00 00    	lea    0x1000(%rax),%esi
-    9f71:	ba 00 00 00 00       	mov    $0x0,%edx
-    9f76:	f6 00 01             	testb  $0x1,(%rax)
-    9f79:	0f 95 c1             	setne  %cl
-    9f7c:	0f b6 c9             	movzbl %cl,%ecx
-    9f7f:	01 ca                	add    %ecx,%edx
-    9f81:	83 c0 04             	add    $0x4,%eax
-    9f84:	39 c6                	cmp    %eax,%esi
-    9f86:	75 ee                	jne    9f76 <calc_mem+0x79>
-    9f88:	eb b6                	jmp    9f40 <calc_mem+0x43>
-    9f8a:	83 c4 04             	add    $0x4,%esp
-    9f8d:	5b                   	pop    %rbx
-    9f8e:	5e                   	pop    %rsi
-    9f8f:	c3                   	retq   
-
-0000000000009f90 <page_fault>:
-    9f90:	87 04 24             	xchg   %eax,(%rsp)
-    9f93:	51                   	push   %rcx
-    9f94:	52                   	push   %rdx
-    9f95:	1e                   	(bad)  
-    9f96:	06                   	(bad)  
-    9f97:	0f a0                	pushq  %fs
-    9f99:	ba 10 00 00 00       	mov    $0x10,%edx
-    9f9e:	8e da                	mov    %edx,%ds
-    9fa0:	8e c2                	mov    %edx,%es
-    9fa2:	8e e2                	mov    %edx,%fs
-    9fa4:	0f 20 d2             	mov    %cr2,%rdx
-    9fa7:	52                   	push   %rdx
-    9fa8:	50                   	push   %rax
-    9fa9:	a9 01 00 00 00       	test   $0x1,%eax
-    9fae:	75 07                	jne    9fb7 <page_fault+0x27>
-    9fb0:	e8 17 ff ff ff       	callq  9ecc <do_no_page>
-    9fb5:	eb 05                	jmp    9fbc <page_fault+0x2c>
-    9fb7:	e8 9c fe ff ff       	callq  9e58 <do_wp_page>
-    9fbc:	83 c4 08             	add    $0x8,%esp
-    9fbf:	0f a1                	popq   %fs
-    9fc1:	07                   	(bad)  
-    9fc2:	1f                   	(bad)  
-    9fc3:	5a                   	pop    %rdx
-    9fc4:	59                   	pop    %rcx
-    9fc5:	58                   	pop    %rax
-    9fc6:	cf                   	iret   
-
-0000000000009fc7 <sys_utime>:
-    9fc7:	53                   	push   %rbx
-    9fc8:	83 ec 14             	sub    $0x14,%esp
-    9fcb:	8b 5c 24 20          	mov    0x20(%rsp),%ebx
-    9fcf:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    9fd3:	e8 83 32 00 00       	callq  d25b <namei>
-    9fd8:	83 c4 10             	add    $0x10,%esp
-    9fdb:	85 c0                	test   %eax,%eax
-    9fdd:	74 4e                	je     a02d <sys_utime+0x66>
-    9fdf:	89 c1                	mov    %eax,%ecx
-    9fe1:	85 db                	test   %ebx,%ebx
-    9fe3:	74 27                	je     a00c <sys_utime+0x45>
-    9fe5:	64 8b 03             	mov    %fs:(%rbx),%eax
-    9fe8:	64 8b 53 04          	mov    %fs:0x4(%rbx),%edx
-    9fec:	89 41 24             	mov    %eax,0x24(%rcx)
-    9fef:	89 51 08             	mov    %edx,0x8(%rcx)
-    9ff2:	c6 41 33 01          	movb   $0x1,0x33(%rcx)
-    9ff6:	83 ec 0c             	sub    $0xc,%esp
-    9ff9:	51                   	push   %rcx
-    9ffa:	e8 27 0d 00 00       	callq  ad26 <iput>
-    9fff:	83 c4 10             	add    $0x10,%esp
-    a002:	b8 00 00 00 00       	mov    $0x0,%eax
-    a007:	83 c4 08             	add    $0x8,%esp
-    a00a:	5b                   	pop    %rbx
-    a00b:	c3                   	retq   
-    a00c:	8b 1d 08 69 01 00    	mov    0x16908(%rip),%ebx        # 2091a <end+0x6712>
-    a012:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    a017:	f7 eb                	imul   %ebx
-    a019:	89 d0                	mov    %edx,%eax
-    a01b:	c1 f8 05             	sar    $0x5,%eax
-    a01e:	c1 fb 1f             	sar    $0x1f,%ebx
-    a021:	29 d8                	sub    %ebx,%eax
-    a023:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 2092d <end+0x6725>
-    a029:	89 c2                	mov    %eax,%edx
-    a02b:	eb bf                	jmp    9fec <sys_utime+0x25>
-    a02d:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    a032:	eb d3                	jmp    a007 <sys_utime+0x40>
-
-000000000000a034 <sys_access>:
-    a034:	57                   	push   %rdi
-    a035:	56                   	push   %rsi
-    a036:	53                   	push   %rbx
-    a037:	8b 74 24 14          	mov    0x14(%rsp),%esi
-    a03b:	83 e6 07             	and    $0x7,%esi
-    a03e:	83 ec 0c             	sub    $0xc,%esp
-    a041:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a045:	e8 11 32 00 00       	callq  d25b <namei>
-    a04a:	83 c4 10             	add    $0x10,%esp
-    a04d:	85 c0                	test   %eax,%eax
-    a04f:	74 7d                	je     a0ce <sys_access+0x9a>
-    a051:	89 c7                	mov    %eax,%edi
-    a053:	8b 18                	mov    (%rax),%ebx
-    a055:	83 ec 0c             	sub    $0xc,%esp
-    a058:	50                   	push   %rax
-    a059:	e8 c8 0c 00 00       	callq  ad26 <iput>
-    a05e:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1cd64 <end+0x2b5c>
-    a064:	66 8b 8a be 00 00 00 	mov    0xbe(%rdx),%cx
-    a06b:	83 c4 10             	add    $0x10,%esp
-    a06e:	66 85 c9             	test   %cx,%cx
-    a071:	74 13                	je     a086 <sys_access+0x52>
-    a073:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    a07a:	00 
-    a07b:	74 09                	je     a086 <sys_access+0x52>
-    a07d:	89 d8                	mov    %ebx,%eax
-    a07f:	25 ff 01 00 00       	and    $0x1ff,%eax
-    a084:	eb 13                	jmp    a099 <sys_access+0x65>
-    a086:	89 d8                	mov    %ebx,%eax
-    a088:	83 e0 49             	and    $0x49,%eax
-    a08b:	66 83 f8 01          	cmp    $0x1,%ax
-    a08f:	19 c0                	sbb    %eax,%eax
-    a091:	83 e0 b7             	and    $0xffffffb7,%eax
-    a094:	05 ff 01 00 00       	add    $0x1ff,%eax
-    a099:	66 3b 4f 02          	cmp    0x2(%rdi),%cx
-    a09d:	74 1e                	je     a0bd <sys_access+0x89>
-    a09f:	0f b6 4f 0c          	movzbl 0xc(%rdi),%ecx
-    a0a3:	66 39 8a c4 00 00 00 	cmp    %cx,0xc4(%rdx)
-    a0aa:	74 16                	je     a0c2 <sys_access+0x8e>
-    a0ac:	21 f0                	and    %esi,%eax
-    a0ae:	89 c2                	mov    %eax,%edx
-    a0b0:	b8 00 00 00 00       	mov    $0x0,%eax
-    a0b5:	39 f2                	cmp    %esi,%edx
-    a0b7:	75 0e                	jne    a0c7 <sys_access+0x93>
-    a0b9:	5b                   	pop    %rbx
-    a0ba:	5e                   	pop    %rsi
-    a0bb:	5f                   	pop    %rdi
-    a0bc:	c3                   	retq   
-    a0bd:	c1 f8 06             	sar    $0x6,%eax
-    a0c0:	eb ea                	jmp    a0ac <sys_access+0x78>
-    a0c2:	c1 f8 06             	sar    $0x6,%eax
-    a0c5:	eb e5                	jmp    a0ac <sys_access+0x78>
-    a0c7:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    a0cc:	eb eb                	jmp    a0b9 <sys_access+0x85>
-    a0ce:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    a0d3:	eb e4                	jmp    a0b9 <sys_access+0x85>
-
-000000000000a0d5 <sys_chdir>:
-    a0d5:	53                   	push   %rbx
-    a0d6:	83 ec 14             	sub    $0x14,%esp
-    a0d9:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a0dd:	e8 79 31 00 00       	callq  d25b <namei>
-    a0e2:	83 c4 10             	add    $0x10,%esp
-    a0e5:	85 c0                	test   %eax,%eax
-    a0e7:	74 4d                	je     a136 <sys_chdir+0x61>
-    a0e9:	89 c3                	mov    %eax,%ebx
-    a0eb:	8b 00                	mov    (%rax),%eax
-    a0ed:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    a0f2:	66 3d 00 40          	cmp    $0x4000,%ax
-    a0f6:	75 2b                	jne    a123 <sys_chdir+0x4e>
-    a0f8:	83 ec 0c             	sub    $0xc,%esp
-    a0fb:	a1 00 2d 01 00 ff b0 	movabs 0xecb0ff00012d00,%eax
-    a102:	ec 00 
-    a104:	00 00                	add    %al,(%rax)
-    a106:	e8 1b 0c 00 00       	callq  ad26 <iput>
-    a10b:	a1 00 2d 01 00 89 98 	movabs 0xec988900012d00,%eax
-    a112:	ec 00 
-    a114:	00 00                	add    %al,(%rax)
-    a116:	83 c4 10             	add    $0x10,%esp
-    a119:	b8 00 00 00 00       	mov    $0x0,%eax
-    a11e:	83 c4 08             	add    $0x8,%esp
-    a121:	5b                   	pop    %rbx
-    a122:	c3                   	retq   
-    a123:	83 ec 0c             	sub    $0xc,%esp
-    a126:	53                   	push   %rbx
-    a127:	e8 fa 0b 00 00       	callq  ad26 <iput>
-    a12c:	83 c4 10             	add    $0x10,%esp
-    a12f:	b8 ec ff ff ff       	mov    $0xffffffec,%eax
-    a134:	eb e8                	jmp    a11e <sys_chdir+0x49>
-    a136:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    a13b:	eb e1                	jmp    a11e <sys_chdir+0x49>
-
-000000000000a13d <sys_chroot>:
-    a13d:	53                   	push   %rbx
-    a13e:	83 ec 14             	sub    $0x14,%esp
-    a141:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a145:	e8 11 31 00 00       	callq  d25b <namei>
-    a14a:	83 c4 10             	add    $0x10,%esp
-    a14d:	85 c0                	test   %eax,%eax
-    a14f:	74 4d                	je     a19e <sys_chroot+0x61>
-    a151:	89 c3                	mov    %eax,%ebx
-    a153:	8b 00                	mov    (%rax),%eax
-    a155:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    a15a:	66 3d 00 40          	cmp    $0x4000,%ax
-    a15e:	75 2b                	jne    a18b <sys_chroot+0x4e>
-    a160:	83 ec 0c             	sub    $0xc,%esp
-    a163:	a1 00 2d 01 00 ff b0 	movabs 0xf0b0ff00012d00,%eax
-    a16a:	f0 00 
-    a16c:	00 00                	add    %al,(%rax)
-    a16e:	e8 b3 0b 00 00       	callq  ad26 <iput>
-    a173:	a1 00 2d 01 00 89 98 	movabs 0xf0988900012d00,%eax
-    a17a:	f0 00 
-    a17c:	00 00                	add    %al,(%rax)
-    a17e:	83 c4 10             	add    $0x10,%esp
-    a181:	b8 00 00 00 00       	mov    $0x0,%eax
-    a186:	83 c4 08             	add    $0x8,%esp
-    a189:	5b                   	pop    %rbx
-    a18a:	c3                   	retq   
-    a18b:	83 ec 0c             	sub    $0xc,%esp
-    a18e:	53                   	push   %rbx
-    a18f:	e8 92 0b 00 00       	callq  ad26 <iput>
-    a194:	83 c4 10             	add    $0x10,%esp
-    a197:	b8 ec ff ff ff       	mov    $0xffffffec,%eax
-    a19c:	eb e8                	jmp    a186 <sys_chroot+0x49>
-    a19e:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    a1a3:	eb e1                	jmp    a186 <sys_chroot+0x49>
-
-000000000000a1a5 <sys_chmod>:
-    a1a5:	56                   	push   %rsi
-    a1a6:	53                   	push   %rbx
-    a1a7:	83 ec 10             	sub    $0x10,%esp
-    a1aa:	8b 5c 24 20          	mov    0x20(%rsp),%ebx
-    a1ae:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a1b2:	e8 a4 30 00 00       	callq  d25b <namei>
-    a1b7:	83 c4 10             	add    $0x10,%esp
-    a1ba:	85 c0                	test   %eax,%eax
-    a1bc:	74 7c                	je     a23a <sys_chmod+0x95>
-    a1be:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1cec4 <end+0x2cbc>
-    a1c4:	8b 8a bc 00 00 00    	mov    0xbc(%rdx),%ecx
-    a1ca:	66 85 c9             	test   %cx,%cx
-    a1cd:	74 2a                	je     a1f9 <sys_chmod+0x54>
-    a1cf:	66 8b 92 be 00 00 00 	mov    0xbe(%rdx),%dx
-    a1d6:	66 85 d2             	test   %dx,%dx
-    a1d9:	74 1e                	je     a1f9 <sys_chmod+0x54>
-    a1db:	66 8b 70 02          	mov    0x2(%rax),%si
-    a1df:	66 39 f1             	cmp    %si,%cx
-    a1e2:	74 05                	je     a1e9 <sys_chmod+0x44>
-    a1e4:	66 39 f2             	cmp    %si,%dx
-    a1e7:	75 3e                	jne    a227 <sys_chmod+0x82>
-    a1e9:	81 e3 ff 01 00 00    	and    $0x1ff,%ebx
-    a1ef:	8b 08                	mov    (%rax),%ecx
-    a1f1:	81 e1 00 0e 00 00    	and    $0xe00,%ecx
-    a1f7:	09 cb                	or     %ecx,%ebx
-    a1f9:	8b 10                	mov    (%rax),%edx
-    a1fb:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    a201:	81 e3 ff 0f 00 00    	and    $0xfff,%ebx
-    a207:	09 da                	or     %ebx,%edx
-    a209:	66 89 10             	mov    %dx,(%rax)
-    a20c:	c6 40 33 01          	movb   $0x1,0x33(%rax)
-    a210:	83 ec 0c             	sub    $0xc,%esp
-    a213:	50                   	push   %rax
-    a214:	e8 0d 0b 00 00       	callq  ad26 <iput>
-    a219:	83 c4 10             	add    $0x10,%esp
-    a21c:	b8 00 00 00 00       	mov    $0x0,%eax
-    a221:	83 c4 04             	add    $0x4,%esp
-    a224:	5b                   	pop    %rbx
-    a225:	5e                   	pop    %rsi
-    a226:	c3                   	retq   
-    a227:	83 ec 0c             	sub    $0xc,%esp
-    a22a:	50                   	push   %rax
-    a22b:	e8 f6 0a 00 00       	callq  ad26 <iput>
-    a230:	83 c4 10             	add    $0x10,%esp
-    a233:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    a238:	eb e7                	jmp    a221 <sys_chmod+0x7c>
-    a23a:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    a23f:	eb e0                	jmp    a221 <sys_chmod+0x7c>
-
-000000000000a241 <sys_chown>:
-    a241:	83 ec 18             	sub    $0x18,%esp
-    a244:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a248:	e8 0e 30 00 00       	callq  d25b <namei>
-    a24d:	83 c4 10             	add    $0x10,%esp
-    a250:	85 c0                	test   %eax,%eax
-    a252:	74 55                	je     a2a9 <sys_chown+0x68>
-    a254:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1cf5a <end+0x2d52>
-    a25a:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    a261:	00 
-    a262:	74 0a                	je     a26e <sys_chown+0x2d>
-    a264:	66 83 ba be 00 00 00 	cmpw   $0x0,0xbe(%rdx)
-    a26b:	00 
-    a26c:	75 28                	jne    a296 <sys_chown+0x55>
-    a26e:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    a272:	66 89 50 02          	mov    %dx,0x2(%rax)
-    a276:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    a27a:	88 50 0c             	mov    %dl,0xc(%rax)
-    a27d:	c6 40 33 01          	movb   $0x1,0x33(%rax)
-    a281:	83 ec 0c             	sub    $0xc,%esp
-    a284:	50                   	push   %rax
-    a285:	e8 9c 0a 00 00       	callq  ad26 <iput>
-    a28a:	83 c4 10             	add    $0x10,%esp
-    a28d:	b8 00 00 00 00       	mov    $0x0,%eax
-    a292:	83 c4 0c             	add    $0xc,%esp
-    a295:	c3                   	retq   
-    a296:	83 ec 0c             	sub    $0xc,%esp
-    a299:	50                   	push   %rax
-    a29a:	e8 87 0a 00 00       	callq  ad26 <iput>
-    a29f:	83 c4 10             	add    $0x10,%esp
-    a2a2:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    a2a7:	eb e9                	jmp    a292 <sys_chown+0x51>
-    a2a9:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    a2ae:	eb e2                	jmp    a292 <sys_chown+0x51>
-
-000000000000a2b0 <sys_open>:
-    a2b0:	55                   	push   %rbp
-    a2b1:	57                   	push   %rdi
-    a2b2:	56                   	push   %rsi
-    a2b3:	53                   	push   %rbx
-    a2b4:	83 ec 1c             	sub    $0x1c,%esp
-    a2b7:	8b 6c 24 30          	mov    0x30(%rsp),%ebp
-    a2bb:	8b 7c 24 34          	mov    0x34(%rsp),%edi
-    a2bf:	65 a1 14 00 00 00 89 	movabs %gs:0xc24448900000014,%eax
-    a2c6:	44 24 0c 
-    a2c9:	31 c0                	xor    %eax,%eax
-    a2cb:	a1 00 2d 01 00 0f b7 	movabs 0xe890b70f00012d00,%eax
-    a2d2:	90 e8 
-    a2d4:	00 00                	add    %al,(%rax)
-    a2d6:	00 f7                	add    %dh,%bh
-    a2d8:	d2 81 e2 ff 01 00    	rolb   %cl,0x1ffe2(%rcx)
-    a2de:	00 23                	add    %ah,(%rbx)
-    a2e0:	54                   	push   %rsp
-    a2e1:	24 38                	and    $0x38,%al
-    a2e3:	83 b8 f8 00 00 00 00 	cmpl   $0x0,0xf8(%rax)
-    a2ea:	0f 84 e0 00 00 00    	je     a3d0 <sys_open+0x120>
-    a2f0:	be 01 00 00 00       	mov    $0x1,%esi
-    a2f5:	83 bc b0 f8 00 00 00 	cmpl   $0x0,0xf8(%rax,%rsi,4)
-    a2fc:	00 
-    a2fd:	0f 84 d2 00 00 00    	je     a3d5 <sys_open+0x125>
-    a303:	46 83 fe 14          	rex.RX cmp $0x14,%esi
-    a307:	75 ec                	jne    a2f5 <sys_open+0x45>
-    a309:	be ea ff ff ff       	mov    $0xffffffea,%esi
-    a30e:	e9 51 01 00 00       	jmpq   a464 <sys_open+0x1b4>
-    a313:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1d019 <end+0x2e11>
-    a319:	c7 84 b2 f8 00 00 00 	movl   $0x0,0xf8(%rdx,%rsi,4)
-    a320:	00 00 00 00 
-    a324:	66 c7 43 04 00 00    	movw   $0x0,0x4(%rbx)
-    a32a:	89 c6                	mov    %eax,%esi
-    a32c:	e9 33 01 00 00       	jmpq   a464 <sys_open+0x1b4>
-    a331:	66 8b 48 0e          	mov    0xe(%rax),%cx
-    a335:	89 ca                	mov    %ecx,%edx
-    a337:	66 c1 ea 08          	shr    $0x8,%dx
-    a33b:	66 83 fa 04          	cmp    $0x4,%dx
-    a33f:	74 49                	je     a38a <sys_open+0xda>
-    a341:	66 83 fa 05          	cmp    $0x5,%dx
-    a345:	0f 85 00 01 00 00    	jne    a44b <sys_open+0x19b>
-    a34b:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1d051 <end+0x2e49>
-    a351:	83 ba e4 00 00 00 00 	cmpl   $0x0,0xe4(%rdx)
-    a358:	0f 89 ed 00 00 00    	jns    a44b <sys_open+0x19b>
-    a35e:	83 ec 0c             	sub    $0xc,%esp
-    a361:	50                   	push   %rax
-    a362:	e8 bf 09 00 00       	callq  ad26 <iput>
-    a367:	a1 00 2d 01 00 c7 84 	movabs 0xf8b084c700012d00,%eax
-    a36e:	b0 f8 
-    a370:	00 00                	add    %al,(%rax)
-    a372:	00 00                	add    %al,(%rax)
-    a374:	00 00                	add    %al,(%rax)
-    a376:	00 66 c7             	add    %ah,-0x39(%rsi)
-    a379:	43 04 00             	rex.XB add $0x0,%al
-    a37c:	00 83 c4 10 be ff    	add    %al,-0x41ef3c(%rbx)
-    a382:	ff                   	(bad)  
-    a383:	ff                   	(bad)  
-    a384:	ff                   	(bad)  
-    a385:	e9 da 00 00 00       	jmpq   a464 <sys_open+0x1b4>
-    a38a:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1d090 <end+0x2e88>
-    a390:	83 ba b8 00 00 00 00 	cmpl   $0x0,0xb8(%rdx)
-    a397:	0f 84 ae 00 00 00    	je     a44b <sys_open+0x19b>
-    a39d:	83 ba e4 00 00 00 00 	cmpl   $0x0,0xe4(%rdx)
-    a3a4:	0f 89 a1 00 00 00    	jns    a44b <sys_open+0x19b>
-    a3aa:	0f b6 c9             	movzbl %cl,%ecx
-    a3ad:	89 8a e4 00 00 00    	mov    %ecx,0xe4(%rdx)
-    a3b3:	8b 92 b0 00 00 00    	mov    0xb0(%rdx),%edx
-    a3b9:	8d 2c 09             	lea    (%rcx,%rcx,1),%ebp
-    a3bc:	01 e9                	add    %ebp,%ecx
-    a3be:	89 cd                	mov    %ecx,%ebp
-    a3c0:	c1 e5 05             	shl    $0x5,%ebp
-    a3c3:	01 e9                	add    %ebp,%ecx
-    a3c5:	c1 e1 05             	shl    $0x5,%ecx
-    a3c8:	89 91 84 3e 01 00    	mov    %edx,0x13e84(%rcx)
-    a3ce:	eb 7b                	jmp    a44b <sys_open+0x19b>
-    a3d0:	be 00 00 00 00       	mov    $0x0,%esi
-    a3d5:	bb fe ff ff ff       	mov    $0xfffffffe,%ebx
-    a3da:	89 f1                	mov    %esi,%ecx
-    a3dc:	d3 c3                	rol    %cl,%ebx
-    a3de:	21 98 f4 00 00 00    	and    %ebx,0xf4(%rax)
-    a3e4:	bb 10 9e 01 00       	mov    $0x19e10,%ebx
-    a3e9:	66 83 3d 04 9e 01 00 	cmpw   $0x0,0x19e04(%rip)        # 241f5 <end+0x9fed>
-    a3f0:	00 
-    a3f1:	74 19                	je     a40c <sys_open+0x15c>
-    a3f3:	66 83 7b 04 00       	cmpw   $0x0,0x4(%rbx)
-    a3f8:	74 17                	je     a411 <sys_open+0x161>
-    a3fa:	83 c3 10             	add    $0x10,%ebx
-    a3fd:	81 fb 00 a2 01 00    	cmp    $0x1a200,%ebx
-    a403:	75 ee                	jne    a3f3 <sys_open+0x143>
-    a405:	be ea ff ff ff       	mov    $0xffffffea,%esi
-    a40a:	eb 58                	jmp    a464 <sys_open+0x1b4>
-    a40c:	bb 00 9e 01 00       	mov    $0x19e00,%ebx
-    a411:	89 9c b0 f8 00 00 00 	mov    %ebx,0xf8(%rax,%rsi,4)
-    a418:	66 ff 43 04          	incw   0x4(%rbx)
-    a41c:	8d 44 24 08          	lea    0x8(%rsp),%eax
-    a420:	50                   	push   %rax
-    a421:	52                   	push   %rdx
-    a422:	57                   	push   %rdi
-    a423:	55                   	push   %rbp
-    a424:	e8 08 2f 00 00       	callq  d331 <open_namei>
-    a429:	83 c4 10             	add    $0x10,%esp
-    a42c:	85 c0                	test   %eax,%eax
-    a42e:	0f 88 df fe ff ff    	js     a313 <sys_open+0x63>
-    a434:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    a438:	8b 10                	mov    (%rax),%edx
-    a43a:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    a440:	66 81 fa 00 20       	cmp    $0x2000,%dx
-    a445:	0f 84 e6 fe ff ff    	je     a331 <sys_open+0x81>
-    a44b:	8b 10                	mov    (%rax),%edx
-    a44d:	66 89 13             	mov    %dx,(%rbx)
-    a450:	66 89 7b 02          	mov    %di,0x2(%rbx)
-    a454:	66 c7 43 04 01 00    	movw   $0x1,0x4(%rbx)
-    a45a:	89 43 08             	mov    %eax,0x8(%rbx)
-    a45d:	c7 43 0c 00 00 00 00 	movl   $0x0,0xc(%rbx)
-    a464:	89 f0                	mov    %esi,%eax
-    a466:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    a46a:	65 33 0d 14 00 00 00 	xor    %gs:0x14(%rip),%ecx        # a485 <sys_creat+0x5>
-    a471:	75 08                	jne    a47b <sys_open+0x1cb>
-    a473:	83 c4 1c             	add    $0x1c,%esp
-    a476:	5b                   	pop    %rbx
-    a477:	5e                   	pop    %rsi
-    a478:	5f                   	pop    %rdi
-    a479:	5d                   	pop    %rbp
-    a47a:	c3                   	retq   
-    a47b:	e8 26 c0 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000a480 <sys_creat>:
-    a480:	83 ec 10             	sub    $0x10,%esp
-    a483:	ff 74 24 18          	pushq  0x18(%rsp)
-    a487:	68 40 02 00 00       	pushq  $0x240
-    a48c:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a490:	e8 1b fe ff ff       	callq  a2b0 <sys_open>
-    a495:	83 c4 1c             	add    $0x1c,%esp
-    a498:	c3                   	retq   
-
-000000000000a499 <sys_close>:
-    a499:	53                   	push   %rbx
-    a49a:	83 ec 08             	sub    $0x8,%esp
-    a49d:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    a4a1:	83 f9 13             	cmp    $0x13,%ecx
-    a4a4:	77 6e                	ja     a514 <sys_close+0x7b>
-    a4a6:	a1 00 2d 01 00 ba fe 	movabs 0xfffffeba00012d00,%eax
-    a4ad:	ff ff 
-    a4af:	ff d3                	callq  *%rbx
-    a4b1:	c2 21 90             	retq   $0x9021
-    a4b4:	f4                   	hlt    
-    a4b5:	00 00                	add    %al,(%rax)
-    a4b7:	00 8d 04 88 8b 98    	add    %cl,-0x677477fc(%rbp)
-    a4bd:	f8                   	clc    
-    a4be:	00 00                	add    %al,(%rax)
-    a4c0:	00 85 db 74 56 c7    	add    %al,-0x38a98b25(%rbp)
-    a4c6:	80 f8 00             	cmp    $0x0,%al
-    a4c9:	00 00                	add    %al,(%rax)
-    a4cb:	00 00                	add    %al,(%rax)
-    a4cd:	00 00                	add    %al,(%rax)
-    a4cf:	66 83 7b 04 00       	cmpw   $0x0,0x4(%rbx)
-    a4d4:	74 17                	je     a4ed <sys_close+0x54>
-    a4d6:	8b 43 04             	mov    0x4(%rbx),%eax
-    a4d9:	48                   	rex.W
-    a4da:	66 89 43 04          	mov    %ax,0x4(%rbx)
-    a4de:	66 85 c0             	test   %ax,%ax
-    a4e1:	74 1c                	je     a4ff <sys_close+0x66>
-    a4e3:	b8 00 00 00 00       	mov    $0x0,%eax
-    a4e8:	83 c4 08             	add    $0x8,%esp
-    a4eb:	5b                   	pop    %rbx
-    a4ec:	c3                   	retq   
-    a4ed:	83 ec 0c             	sub    $0xc,%esp
-    a4f0:	68 03 f4 00 00       	pushq  $0xf403
-    a4f5:	e8 89 bf ff ff       	callq  6483 <panic>
-    a4fa:	83 c4 10             	add    $0x10,%esp
-    a4fd:	eb d7                	jmp    a4d6 <sys_close+0x3d>
-    a4ff:	83 ec 0c             	sub    $0xc,%esp
-    a502:	ff 73 08             	pushq  0x8(%rbx)
-    a505:	e8 1c 08 00 00       	callq  ad26 <iput>
-    a50a:	83 c4 10             	add    $0x10,%esp
-    a50d:	b8 00 00 00 00       	mov    $0x0,%eax
-    a512:	eb d4                	jmp    a4e8 <sys_close+0x4f>
-    a514:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a519:	eb cd                	jmp    a4e8 <sys_close+0x4f>
-    a51b:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a520:	eb c6                	jmp    a4e8 <sys_close+0x4f>
-
-000000000000a522 <sys_lseek>:
-    a522:	53                   	push   %rbx
-    a523:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    a527:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    a52b:	83 f8 13             	cmp    $0x13,%eax
-    a52e:	77 6f                	ja     a59f <sys_lseek+0x7d>
-    a530:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1d236 <end+0x302e>
-    a536:	8b 84 82 f8 00 00 00 	mov    0xf8(%rdx,%rax,4),%eax
-    a53d:	85 c0                	test   %eax,%eax
-    a53f:	74 65                	je     a5a6 <sys_lseek+0x84>
-    a541:	8b 50 08             	mov    0x8(%rax),%edx
-    a544:	85 d2                	test   %edx,%edx
-    a546:	74 65                	je     a5ad <sys_lseek+0x8b>
-    a548:	0f b6 4a 2d          	movzbl 0x2d(%rdx),%ecx
-    a54c:	83 e9 02             	sub    $0x2,%ecx
-    a54f:	66 83 f9 01          	cmp    $0x1,%cx
-    a553:	77 5f                	ja     a5b4 <sys_lseek+0x92>
-    a555:	80 7a 34 00          	cmpb   $0x0,0x34(%rdx)
-    a559:	75 60                	jne    a5bb <sys_lseek+0x99>
-    a55b:	83 fb 01             	cmp    $0x1,%ebx
-    a55e:	74 23                	je     a583 <sys_lseek+0x61>
-    a560:	83 fb 02             	cmp    $0x2,%ebx
-    a563:	74 2c                	je     a591 <sys_lseek+0x6f>
-    a565:	85 db                	test   %ebx,%ebx
-    a567:	74 07                	je     a570 <sys_lseek+0x4e>
-    a569:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a56e:	eb 11                	jmp    a581 <sys_lseek+0x5f>
-    a570:	83 7c 24 0c 00       	cmpl   $0x0,0xc(%rsp)
-    a575:	78 4b                	js     a5c2 <sys_lseek+0xa0>
-    a577:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    a57b:	89 58 0c             	mov    %ebx,0xc(%rax)
-    a57e:	8b 40 0c             	mov    0xc(%rax),%eax
-    a581:	5b                   	pop    %rbx
-    a582:	c3                   	retq   
-    a583:	8b 54 24 0c          	mov    0xc(%rsp),%edx
-    a587:	03 50 0c             	add    0xc(%rax),%edx
-    a58a:	78 3d                	js     a5c9 <sys_lseek+0xa7>
-    a58c:	89 50 0c             	mov    %edx,0xc(%rax)
-    a58f:	eb ed                	jmp    a57e <sys_lseek+0x5c>
-    a591:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    a595:	03 5a 04             	add    0x4(%rdx),%ebx
-    a598:	78 36                	js     a5d0 <sys_lseek+0xae>
-    a59a:	89 58 0c             	mov    %ebx,0xc(%rax)
-    a59d:	eb df                	jmp    a57e <sys_lseek+0x5c>
-    a59f:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    a5a4:	eb db                	jmp    a581 <sys_lseek+0x5f>
-    a5a6:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    a5ab:	eb d4                	jmp    a581 <sys_lseek+0x5f>
-    a5ad:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    a5b2:	eb cd                	jmp    a581 <sys_lseek+0x5f>
-    a5b4:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    a5b9:	eb c6                	jmp    a581 <sys_lseek+0x5f>
-    a5bb:	b8 e3 ff ff ff       	mov    $0xffffffe3,%eax
-    a5c0:	eb bf                	jmp    a581 <sys_lseek+0x5f>
-    a5c2:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a5c7:	eb b8                	jmp    a581 <sys_lseek+0x5f>
-    a5c9:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a5ce:	eb b1                	jmp    a581 <sys_lseek+0x5f>
-    a5d0:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a5d5:	eb aa                	jmp    a581 <sys_lseek+0x5f>
-
-000000000000a5d7 <sys_read>:
-    a5d7:	57                   	push   %rdi
-    a5d8:	56                   	push   %rsi
-    a5d9:	53                   	push   %rbx
-    a5da:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    a5de:	8b 5c 24 18          	mov    0x18(%rsp),%ebx
-    a5e2:	83 f8 13             	cmp    $0x13,%eax
-    a5e5:	0f 87 0c 01 00 00    	ja     a6f7 <sys_read+0x120>
-    a5eb:	85 db                	test   %ebx,%ebx
-    a5ed:	0f 88 0e 01 00 00    	js     a701 <sys_read+0x12a>
-    a5f3:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1d2f9 <end+0x30f1>
-    a5f9:	8b b4 82 f8 00 00 00 	mov    0xf8(%rdx,%rax,4),%esi
-    a600:	85 f6                	test   %esi,%esi
-    a602:	0f 84 03 01 00 00    	je     a70b <sys_read+0x134>
-    a608:	85 db                	test   %ebx,%ebx
-    a60a:	75 06                	jne    a612 <sys_read+0x3b>
-    a60c:	89 d8                	mov    %ebx,%eax
-    a60e:	5b                   	pop    %rbx
-    a60f:	5e                   	pop    %rsi
-    a610:	5f                   	pop    %rdi
-    a611:	c3                   	retq   
-    a612:	83 ec 08             	sub    $0x8,%esp
-    a615:	53                   	push   %rbx
-    a616:	ff 74 24 20          	pushq  0x20(%rsp)
-    a61a:	e8 2a ba ff ff       	callq  6049 <verify_area>
-    a61f:	8b 46 08             	mov    0x8(%rsi),%eax
-    a622:	83 c4 10             	add    $0x10,%esp
-    a625:	80 78 34 00          	cmpb   $0x0,0x34(%rax)
-    a629:	74 1e                	je     a649 <sys_read+0x72>
-    a62b:	f6 06 01             	testb  $0x1,(%rsi)
-    a62e:	0f 84 e1 00 00 00    	je     a715 <sys_read+0x13e>
-    a634:	83 ec 04             	sub    $0x4,%esp
-    a637:	53                   	push   %rbx
-    a638:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a63c:	50                   	push   %rax
-    a63d:	e8 4c 24 00 00       	callq  ca8e <read_pipe>
-    a642:	89 c3                	mov    %eax,%ebx
-    a644:	83 c4 10             	add    $0x10,%esp
-    a647:	eb c3                	jmp    a60c <sys_read+0x35>
-    a649:	8b 08                	mov    (%rax),%ecx
-    a64b:	89 ca                	mov    %ecx,%edx
-    a64d:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    a653:	66 81 fa 00 20       	cmp    $0x2000,%dx
-    a658:	74 31                	je     a68b <sys_read+0xb4>
-    a65a:	66 81 fa 00 60       	cmp    $0x6000,%dx
-    a65f:	74 45                	je     a6a6 <sys_read+0xcf>
-    a661:	66 81 fa 00 40       	cmp    $0x4000,%dx
-    a666:	74 07                	je     a66f <sys_read+0x98>
-    a668:	66 81 fa 00 80       	cmp    $0x8000,%dx
-    a66d:	75 6a                	jne    a6d9 <sys_read+0x102>
-    a66f:	8b 56 0c             	mov    0xc(%rsi),%edx
-    a672:	8b 48 04             	mov    0x4(%rax),%ecx
-    a675:	8d 3c 1a             	lea    (%rdx,%rbx,1),%edi
-    a678:	39 cf                	cmp    %ecx,%edi
-    a67a:	76 04                	jbe    a680 <sys_read+0xa9>
-    a67c:	29 d1                	sub    %edx,%ecx
-    a67e:	89 cb                	mov    %ecx,%ebx
-    a680:	85 db                	test   %ebx,%ebx
-    a682:	7f 3f                	jg     a6c3 <sys_read+0xec>
-    a684:	bb 00 00 00 00       	mov    $0x0,%ebx
-    a689:	eb 81                	jmp    a60c <sys_read+0x35>
-    a68b:	53                   	push   %rbx
-    a68c:	ff 74 24 18          	pushq  0x18(%rsp)
-    a690:	0f b7 40 0e          	movzwl 0xe(%rax),%eax
-    a694:	50                   	push   %rax
-    a695:	6a 00                	pushq  $0x0
-    a697:	e8 91 15 00 00       	callq  bc2d <rw_char>
-    a69c:	89 c3                	mov    %eax,%ebx
-    a69e:	83 c4 10             	add    $0x10,%esp
-    a6a1:	e9 66 ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a6a6:	53                   	push   %rbx
-    a6a7:	ff 74 24 18          	pushq  0x18(%rsp)
-    a6ab:	83 c6 0c             	add    $0xc,%esi
-    a6ae:	56                   	push   %rsi
-    a6af:	0f b7 40 0e          	movzwl 0xe(%rax),%eax
-    a6b3:	50                   	push   %rax
-    a6b4:	e8 c5 13 00 00       	callq  ba7e <block_read>
-    a6b9:	89 c3                	mov    %eax,%ebx
-    a6bb:	83 c4 10             	add    $0x10,%esp
-    a6be:	e9 49 ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a6c3:	53                   	push   %rbx
-    a6c4:	ff 74 24 18          	pushq  0x18(%rsp)
-    a6c8:	56                   	push   %rsi
-    a6c9:	50                   	push   %rax
-    a6ca:	e8 c5 15 00 00       	callq  bc94 <file_read>
-    a6cf:	89 c3                	mov    %eax,%ebx
-    a6d1:	83 c4 10             	add    $0x10,%esp
-    a6d4:	e9 33 ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a6d9:	83 ec 08             	sub    $0x8,%esp
-    a6dc:	0f b7 c9             	movzwl %cx,%ecx
-    a6df:	51                   	push   %rcx
-    a6e0:	68 1a f4 00 00       	pushq  $0xf41a
-    a6e5:	e8 c4 bd ff ff       	callq  64ae <printk>
-    a6ea:	83 c4 10             	add    $0x10,%esp
-    a6ed:	bb ea ff ff ff       	mov    $0xffffffea,%ebx
-    a6f2:	e9 15 ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a6f7:	bb ea ff ff ff       	mov    $0xffffffea,%ebx
-    a6fc:	e9 0b ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a701:	bb ea ff ff ff       	mov    $0xffffffea,%ebx
-    a706:	e9 01 ff ff ff       	jmpq   a60c <sys_read+0x35>
-    a70b:	bb ea ff ff ff       	mov    $0xffffffea,%ebx
-    a710:	e9 f7 fe ff ff       	jmpq   a60c <sys_read+0x35>
-    a715:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
-    a71a:	e9 ed fe ff ff       	jmpq   a60c <sys_read+0x35>
-
-000000000000a71f <sys_write>:
-    a71f:	56                   	push   %rsi
-    a720:	53                   	push   %rbx
-    a721:	83 ec 04             	sub    $0x4,%esp
-    a724:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    a728:	8b 44 24 18          	mov    0x18(%rsp),%eax
-    a72c:	83 fa 13             	cmp    $0x13,%edx
-    a72f:	0f 87 c3 00 00 00    	ja     a7f8 <sys_write+0xd9>
-    a735:	85 c0                	test   %eax,%eax
-    a737:	0f 88 c5 00 00 00    	js     a802 <sys_write+0xe3>
-    a73d:	8b 0d 00 2d 01 00    	mov    0x12d00(%rip),%ecx        # 1d443 <end+0x323b>
-    a743:	8b 94 91 f8 00 00 00 	mov    0xf8(%rcx,%rdx,4),%edx
-    a74a:	85 d2                	test   %edx,%edx
-    a74c:	0f 84 ba 00 00 00    	je     a80c <sys_write+0xed>
-    a752:	85 c0                	test   %eax,%eax
-    a754:	74 23                	je     a779 <sys_write+0x5a>
-    a756:	8b 4a 08             	mov    0x8(%rdx),%ecx
-    a759:	80 79 34 00          	cmpb   $0x0,0x34(%rcx)
-    a75d:	74 20                	je     a77f <sys_write+0x60>
-    a75f:	f6 02 02             	testb  $0x2,(%rdx)
-    a762:	0f 84 ae 00 00 00    	je     a816 <sys_write+0xf7>
-    a768:	83 ec 04             	sub    $0x4,%esp
-    a76b:	50                   	push   %rax
-    a76c:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    a770:	51                   	push   %rcx
-    a771:	e8 aa 23 00 00       	callq  cb20 <write_pipe>
-    a776:	83 c4 10             	add    $0x10,%esp
-    a779:	83 c4 04             	add    $0x4,%esp
-    a77c:	5b                   	pop    %rbx
-    a77d:	5e                   	pop    %rsi
-    a77e:	c3                   	retq   
-    a77f:	8b 31                	mov    (%rcx),%esi
-    a781:	89 f3                	mov    %esi,%ebx
-    a783:	81 e3 00 f0 ff ff    	and    $0xfffff000,%ebx
-    a789:	66 81 fb 00 20       	cmp    $0x2000,%bx
-    a78e:	74 1f                	je     a7af <sys_write+0x90>
-    a790:	66 81 fb 00 60       	cmp    $0x6000,%bx
-    a795:	74 2e                	je     a7c5 <sys_write+0xa6>
-    a797:	66 81 fb 00 80       	cmp    $0x8000,%bx
-    a79c:	75 3f                	jne    a7dd <sys_write+0xbe>
-    a79e:	50                   	push   %rax
-    a79f:	ff 74 24 18          	pushq  0x18(%rsp)
-    a7a3:	52                   	push   %rdx
-    a7a4:	51                   	push   %rcx
-    a7a5:	e8 97 16 00 00       	callq  be41 <file_write>
-    a7aa:	83 c4 10             	add    $0x10,%esp
-    a7ad:	eb ca                	jmp    a779 <sys_write+0x5a>
-    a7af:	50                   	push   %rax
-    a7b0:	ff 74 24 18          	pushq  0x18(%rsp)
-    a7b4:	0f b7 41 0e          	movzwl 0xe(%rcx),%eax
-    a7b8:	50                   	push   %rax
-    a7b9:	6a 01                	pushq  $0x1
-    a7bb:	e8 6d 14 00 00       	callq  bc2d <rw_char>
-    a7c0:	83 c4 10             	add    $0x10,%esp
-    a7c3:	eb b4                	jmp    a779 <sys_write+0x5a>
-    a7c5:	50                   	push   %rax
-    a7c6:	ff 74 24 18          	pushq  0x18(%rsp)
-    a7ca:	83 c2 0c             	add    $0xc,%edx
-    a7cd:	52                   	push   %rdx
-    a7ce:	0f b7 41 0e          	movzwl 0xe(%rcx),%eax
-    a7d2:	50                   	push   %rax
-    a7d3:	e8 96 11 00 00       	callq  b96e <block_write>
-    a7d8:	83 c4 10             	add    $0x10,%esp
-    a7db:	eb 9c                	jmp    a779 <sys_write+0x5a>
-    a7dd:	83 ec 08             	sub    $0x8,%esp
-    a7e0:	0f b7 f6             	movzwl %si,%esi
-    a7e3:	56                   	push   %rsi
-    a7e4:	68 35 f4 00 00       	pushq  $0xf435
-    a7e9:	e8 c0 bc ff ff       	callq  64ae <printk>
-    a7ee:	83 c4 10             	add    $0x10,%esp
-    a7f1:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a7f6:	eb 81                	jmp    a779 <sys_write+0x5a>
-    a7f8:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a7fd:	e9 77 ff ff ff       	jmpq   a779 <sys_write+0x5a>
-    a802:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a807:	e9 6d ff ff ff       	jmpq   a779 <sys_write+0x5a>
-    a80c:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    a811:	e9 63 ff ff ff       	jmpq   a779 <sys_write+0x5a>
-    a816:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    a81b:	e9 59 ff ff ff       	jmpq   a779 <sys_write+0x5a>
-    a820:	55                   	push   %rbp
-    a821:	57                   	push   %rdi
-    a822:	56                   	push   %rsi
-    a823:	53                   	push   %rbx
-    a824:	83 ec 0c             	sub    $0xc,%esp
-    a827:	89 c3                	mov    %eax,%ebx
-    a829:	fa                   	cli    
-    a82a:	80 78 32 00          	cmpb   $0x0,0x32(%rax)
-    a82e:	74 15                	je     a845 <sys_write+0x126>
-    a830:	8d 70 20             	lea    0x20(%rax),%esi
-    a833:	83 ec 0c             	sub    $0xc,%esp
-    a836:	56                   	push   %rsi
-    a837:	e8 24 ae ff ff       	callq  5660 <sleep_on>
-    a83c:	83 c4 10             	add    $0x10,%esp
-    a83f:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    a843:	75 ee                	jne    a833 <sys_write+0x114>
-    a845:	c6 43 32 01          	movb   $0x1,0x32(%rbx)
-    a849:	fb                   	sti    
-    a84a:	8b 53 2c             	mov    0x2c(%rbx),%edx
-    a84d:	0f b7 ca             	movzwl %dx,%ecx
-    a850:	66 3b 15 14 9b 01 00 	cmp    0x19b14(%rip),%dx        # 2436b <end+0xa163>
-    a857:	0f 84 84 00 00 00    	je     a8e1 <sys_write+0x1c2>
-    a85d:	b8 28 9b 01 00       	mov    $0x19b28,%eax
-    a862:	66 3b 50 54          	cmp    0x54(%rax),%dx
-    a866:	74 0f                	je     a877 <sys_write+0x158>
-    a868:	83 c0 68             	add    $0x68,%eax
-    a86b:	3d 00 9e 01 00       	cmp    $0x19e00,%eax
-    a870:	72 f0                	jb     a862 <sys_write+0x143>
-    a872:	b8 00 00 00 00       	mov    $0x0,%eax
-    a877:	83 ec 08             	sub    $0x8,%esp
-    a87a:	0f b7 50 04          	movzwl 0x4(%rax),%edx
-    a87e:	0f b7 40 06          	movzwl 0x6(%rax),%eax
-    a882:	8d 54 02 02          	lea    0x2(%rdx,%rax,1),%edx
-    a886:	0f b7 43 2e          	movzwl 0x2e(%rbx),%eax
-    a88a:	48 c1 e8 05          	shr    $0x5,%rax
-    a88e:	01 d0                	add    %edx,%eax
-    a890:	50                   	push   %rax
-    a891:	51                   	push   %rcx
-    a892:	e8 9e 0c 00 00       	callq  b535 <bread>
-    a897:	89 c5                	mov    %eax,%ebp
-    a899:	83 c4 10             	add    $0x10,%esp
-    a89c:	85 c0                	test   %eax,%eax
-    a89e:	74 48                	je     a8e8 <sys_write+0x1c9>
-    a8a0:	0f b7 43 2e          	movzwl 0x2e(%rbx),%eax
-    a8a4:	48 83 e0 1f          	and    $0x1f,%rax
-    a8a8:	c1 e0 05             	shl    $0x5,%eax
-    a8ab:	03 45 00             	add    0x0(%rbp),%eax
-    a8ae:	b9 08 00 00 00       	mov    $0x8,%ecx
-    a8b3:	89 c7                	mov    %eax,%edi
-    a8b5:	89 de                	mov    %ebx,%esi
-    a8b7:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    a8b9:	c6 45 09 01          	movb   $0x1,0x9(%rbp)
-    a8bd:	c6 43 33 00          	movb   $0x0,0x33(%rbx)
-    a8c1:	83 ec 0c             	sub    $0xc,%esp
-    a8c4:	55                   	push   %rbp
-    a8c5:	e8 e3 08 00 00       	callq  b1ad <brelse>
-    a8ca:	c6 43 32 00          	movb   $0x0,0x32(%rbx)
-    a8ce:	83 c3 20             	add    $0x20,%ebx
-    a8d1:	89 1c 24             	mov    %ebx,(%rsp)
-    a8d4:	e8 4b ae ff ff       	callq  5724 <wake_up>
-    a8d9:	83 c4 1c             	add    $0x1c,%esp
-    a8dc:	5b                   	pop    %rbx
-    a8dd:	5e                   	pop    %rsi
-    a8de:	5f                   	pop    %rdi
-    a8df:	5d                   	pop    %rbp
-    a8e0:	c3                   	retq   
-    a8e1:	b8 c0 9a 01 00       	mov    $0x19ac0,%eax
-    a8e6:	eb 8f                	jmp    a877 <sys_write+0x158>
-    a8e8:	83 ec 0c             	sub    $0xc,%esp
-    a8eb:	68 51 f4 00 00       	pushq  $0xf451
-    a8f0:	e8 8e bb ff ff       	callq  6483 <panic>
-    a8f5:	83 c4 10             	add    $0x10,%esp
-    a8f8:	eb a6                	jmp    a8a0 <sys_write+0x181>
-    a8fa:	55                   	push   %rbp
-    a8fb:	57                   	push   %rdi
-    a8fc:	56                   	push   %rsi
-    a8fd:	53                   	push   %rbx
-    a8fe:	83 ec 1c             	sub    $0x1c,%esp
-    a901:	89 c6                	mov    %eax,%esi
-    a903:	89 d3                	mov    %edx,%ebx
-    a905:	89 cf                	mov    %ecx,%edi
-    a907:	85 d2                	test   %edx,%edx
-    a909:	78 30                	js     a93b <sys_write+0x21c>
-    a90b:	81 fb 06 02 04 00    	cmp    $0x40206,%ebx
-    a911:	7f 3a                	jg     a94d <sys_write+0x22e>
-    a913:	83 fb 06             	cmp    $0x6,%ebx
-    a916:	0f 8f 82 00 00 00    	jg     a99e <sys_write+0x27f>
-    a91c:	85 ff                	test   %edi,%edi
-    a91e:	74 0c                	je     a92c <sys_write+0x20d>
-    a920:	8d 3c 1b             	lea    (%rbx,%rbx,1),%edi
-    a923:	01 f7                	add    %esi,%edi
-    a925:	66 83 7f 0e 00       	cmpw   $0x0,0xe(%rdi)
-    a92a:	74 33                	je     a95f <sys_write+0x240>
-    a92c:	0f b7 5c 5e 0e       	movzwl 0xe(%rsi,%rbx,2),%ebx
-    a931:	89 d8                	mov    %ebx,%eax
-    a933:	83 c4 1c             	add    $0x1c,%esp
-    a936:	5b                   	pop    %rbx
-    a937:	5e                   	pop    %rsi
-    a938:	5f                   	pop    %rdi
-    a939:	5d                   	pop    %rbp
-    a93a:	c3                   	retq   
-    a93b:	83 ec 0c             	sub    $0xc,%esp
-    a93e:	68 6d f4 00 00       	pushq  $0xf46d
-    a943:	e8 3b bb ff ff       	callq  6483 <panic>
-    a948:	83 c4 10             	add    $0x10,%esp
-    a94b:	eb be                	jmp    a90b <sys_write+0x1ec>
-    a94d:	83 ec 0c             	sub    $0xc,%esp
-    a950:	68 7c f4 00 00       	pushq  $0xf47c
-    a955:	e8 29 bb ff ff       	callq  6483 <panic>
-    a95a:	83 c4 10             	add    $0x10,%esp
-    a95d:	eb b4                	jmp    a913 <sys_write+0x1f4>
-    a95f:	83 ec 0c             	sub    $0xc,%esp
-    a962:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    a966:	50                   	push   %rax
-    a967:	e8 3e 38 00 00       	callq  e1aa <new_block>
-    a96c:	66 89 47 0e          	mov    %ax,0xe(%rdi)
-    a970:	83 c4 10             	add    $0x10,%esp
-    a973:	66 85 c0             	test   %ax,%ax
-    a976:	74 b4                	je     a92c <sys_write+0x20d>
-    a978:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 21286 <end+0x707e>
-    a97e:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    a983:	f7 e9                	imul   %ecx
-    a985:	89 d0                	mov    %edx,%eax
-    a987:	c1 f8 05             	sar    $0x5,%eax
-    a98a:	c1 f9 1f             	sar    $0x1f,%ecx
-    a98d:	29 c8                	sub    %ecx,%eax
-    a98f:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 21299 <end+0x7091>
-    a995:	89 46 28             	mov    %eax,0x28(%rsi)
-    a998:	c6 46 33 01          	movb   $0x1,0x33(%rsi)
-    a99c:	eb 8e                	jmp    a92c <sys_write+0x20d>
-    a99e:	8d 6b f9             	lea    -0x7(%rbx),%ebp
-    a9a1:	81 fd ff 01 00 00    	cmp    $0x1ff,%ebp
-    a9a7:	0f 8f b9 00 00 00    	jg     aa66 <sys_write+0x347>
-    a9ad:	85 ff                	test   %edi,%edi
-    a9af:	74 75                	je     aa26 <sys_write+0x307>
-    a9b1:	66 83 7e 1c 00       	cmpw   $0x0,0x1c(%rsi)
-    a9b6:	74 2b                	je     a9e3 <sys_write+0x2c4>
-    a9b8:	83 ec 08             	sub    $0x8,%esp
-    a9bb:	0f b7 46 1c          	movzwl 0x1c(%rsi),%eax
-    a9bf:	50                   	push   %rax
-    a9c0:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    a9c4:	50                   	push   %rax
-    a9c5:	e8 6b 0b 00 00       	callq  b535 <bread>
-    a9ca:	89 44 24 18          	mov    %eax,0x18(%rsp)
-    a9ce:	83 c4 10             	add    $0x10,%esp
-    a9d1:	85 c0                	test   %eax,%eax
-    a9d3:	0f 85 5e 02 00 00    	jne    ac37 <sys_write+0x518>
-    a9d9:	bb 00 00 00 00       	mov    $0x0,%ebx
-    a9de:	e9 4e ff ff ff       	jmpq   a931 <sys_write+0x212>
-    a9e3:	83 ec 0c             	sub    $0xc,%esp
-    a9e6:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    a9ea:	50                   	push   %rax
-    a9eb:	e8 ba 37 00 00       	callq  e1aa <new_block>
-    a9f0:	66 89 46 1c          	mov    %ax,0x1c(%rsi)
-    a9f4:	83 c4 10             	add    $0x10,%esp
-    a9f7:	66 85 c0             	test   %ax,%ax
-    a9fa:	0f 84 d9 01 00 00    	je     abd9 <sys_write+0x4ba>
-    aa00:	c6 46 33 01          	movb   $0x1,0x33(%rsi)
-    aa04:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 21312 <end+0x710a>
-    aa0a:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    aa0f:	f7 e9                	imul   %ecx
-    aa11:	89 d0                	mov    %edx,%eax
-    aa13:	c1 f8 05             	sar    $0x5,%eax
-    aa16:	c1 f9 1f             	sar    $0x1f,%ecx
-    aa19:	29 c8                	sub    %ecx,%eax
-    aa1b:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 21325 <end+0x711d>
-    aa21:	89 46 28             	mov    %eax,0x28(%rsi)
-    aa24:	eb 92                	jmp    a9b8 <sys_write+0x299>
-    aa26:	8b 46 1c             	mov    0x1c(%rsi),%eax
-    aa29:	66 85 c0             	test   %ax,%ax
-    aa2c:	0f 85 e2 01 00 00    	jne    ac14 <sys_write+0x4f5>
-    aa32:	89 fb                	mov    %edi,%ebx
-    aa34:	e9 f8 fe ff ff       	jmpq   a931 <sys_write+0x212>
-    aa39:	83 ec 0c             	sub    $0xc,%esp
-    aa3c:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    aa40:	50                   	push   %rax
-    aa41:	e8 64 37 00 00       	callq  e1aa <new_block>
-    aa46:	89 c3                	mov    %eax,%ebx
-    aa48:	83 c4 10             	add    $0x10,%esp
-    aa4b:	85 c0                	test   %eax,%eax
-    aa4d:	0f 84 f8 01 00 00    	je     ac4b <sys_write+0x52c>
-    aa53:	8b 54 24 08          	mov    0x8(%rsp),%edx
-    aa57:	8b 02                	mov    (%rdx),%eax
-    aa59:	66 89 1c 28          	mov    %bx,(%rax,%rbp,1)
-    aa5d:	c6 42 09 01          	movb   $0x1,0x9(%rdx)
-    aa61:	e9 e5 01 00 00       	jmpq   ac4b <sys_write+0x52c>
-    aa66:	85 ff                	test   %edi,%edi
-    aa68:	0f 84 c9 00 00 00    	je     ab37 <sys_write+0x418>
-    aa6e:	66 83 7e 1e 00       	cmpw   $0x0,0x1e(%rsi)
-    aa73:	74 7c                	je     aaf1 <sys_write+0x3d2>
-    aa75:	66 8b 46 1e          	mov    0x1e(%rsi),%ax
-    aa79:	83 ec 08             	sub    $0x8,%esp
-    aa7c:	0f b7 c0             	movzwl %ax,%eax
-    aa7f:	50                   	push   %rax
-    aa80:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    aa84:	50                   	push   %rax
-    aa85:	e8 ab 0a 00 00       	callq  b535 <bread>
-    aa8a:	89 c5                	mov    %eax,%ebp
-    aa8c:	83 c4 10             	add    $0x10,%esp
-    aa8f:	85 c0                	test   %eax,%eax
-    aa91:	0f 84 56 01 00 00    	je     abed <sys_write+0x4ce>
-    aa97:	8d 83 f9 fd ff ff    	lea    -0x207(%rbx),%eax
-    aa9d:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    aaa1:	c1 f8 09             	sar    $0x9,%eax
-    aaa4:	01 c0                	add    %eax,%eax
-    aaa6:	89 c2                	mov    %eax,%edx
-    aaa8:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    aaac:	8b 45 00             	mov    0x0(%rbp),%eax
-    aaaf:	0f b7 1c 10          	movzwl (%rax,%rdx,1),%ebx
-    aab3:	85 ff                	test   %edi,%edi
-    aab5:	0f 84 be 00 00 00    	je     ab79 <sys_write+0x45a>
-    aabb:	85 db                	test   %ebx,%ebx
-    aabd:	0f 84 88 00 00 00    	je     ab4b <sys_write+0x42c>
-    aac3:	83 ec 0c             	sub    $0xc,%esp
-    aac6:	55                   	push   %rbp
-    aac7:	e8 e1 06 00 00       	callq  b1ad <brelse>
-    aacc:	83 c4 08             	add    $0x8,%esp
-    aacf:	53                   	push   %rbx
-    aad0:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    aad4:	50                   	push   %rax
-    aad5:	e8 5b 0a 00 00       	callq  b535 <bread>
-    aada:	89 c5                	mov    %eax,%ebp
-    aadc:	83 c4 10             	add    $0x10,%esp
-    aadf:	85 c0                	test   %eax,%eax
-    aae1:	0f 85 78 01 00 00    	jne    ac5f <sys_write+0x540>
-    aae7:	bb 00 00 00 00       	mov    $0x0,%ebx
-    aaec:	e9 40 fe ff ff       	jmpq   a931 <sys_write+0x212>
-    aaf1:	83 ec 0c             	sub    $0xc,%esp
-    aaf4:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    aaf8:	50                   	push   %rax
-    aaf9:	e8 ac 36 00 00       	callq  e1aa <new_block>
-    aafe:	66 89 46 1e          	mov    %ax,0x1e(%rsi)
-    ab02:	83 c4 10             	add    $0x10,%esp
-    ab05:	66 85 c0             	test   %ax,%ax
-    ab08:	0f 84 d5 00 00 00    	je     abe3 <sys_write+0x4c4>
-    ab0e:	c6 46 33 01          	movb   $0x1,0x33(%rsi)
-    ab12:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 21420 <end+0x7218>
-    ab18:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    ab1d:	f7 e9                	imul   %ecx
-    ab1f:	89 d0                	mov    %edx,%eax
-    ab21:	c1 f8 05             	sar    $0x5,%eax
-    ab24:	c1 f9 1f             	sar    $0x1f,%ecx
-    ab27:	29 c8                	sub    %ecx,%eax
-    ab29:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 21433 <end+0x722b>
-    ab2f:	89 46 28             	mov    %eax,0x28(%rsi)
-    ab32:	e9 3e ff ff ff       	jmpq   aa75 <sys_write+0x356>
-    ab37:	66 8b 46 1e          	mov    0x1e(%rsi),%ax
-    ab3b:	66 85 c0             	test   %ax,%ax
-    ab3e:	0f 85 35 ff ff ff    	jne    aa79 <sys_write+0x35a>
-    ab44:	89 fb                	mov    %edi,%ebx
-    ab46:	e9 e6 fd ff ff       	jmpq   a931 <sys_write+0x212>
-    ab4b:	83 ec 0c             	sub    $0xc,%esp
-    ab4e:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    ab52:	50                   	push   %rax
-    ab53:	e8 52 36 00 00       	callq  e1aa <new_block>
-    ab58:	89 c3                	mov    %eax,%ebx
-    ab5a:	83 c4 10             	add    $0x10,%esp
-    ab5d:	85 c0                	test   %eax,%eax
-    ab5f:	0f 84 92 00 00 00    	je     abf7 <sys_write+0x4d8>
-    ab65:	8b 45 00             	mov    0x0(%rbp),%eax
-    ab68:	8b 54 24 0c          	mov    0xc(%rsp),%edx
-    ab6c:	66 89 1c 10          	mov    %bx,(%rax,%rdx,1)
-    ab70:	c6 45 09 01          	movb   $0x1,0x9(%rbp)
-    ab74:	e9 4a ff ff ff       	jmpq   aac3 <sys_write+0x3a4>
-    ab79:	83 ec 0c             	sub    $0xc,%esp
-    ab7c:	55                   	push   %rbp
-    ab7d:	e8 2b 06 00 00       	callq  b1ad <brelse>
-    ab82:	83 c4 10             	add    $0x10,%esp
-    ab85:	85 db                	test   %ebx,%ebx
-    ab87:	0f 84 a4 fd ff ff    	je     a931 <sys_write+0x212>
-    ab8d:	83 ec 08             	sub    $0x8,%esp
-    ab90:	53                   	push   %rbx
-    ab91:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    ab95:	50                   	push   %rax
-    ab96:	e8 9a 09 00 00       	callq  b535 <bread>
-    ab9b:	89 c5                	mov    %eax,%ebp
-    ab9d:	83 c4 10             	add    $0x10,%esp
-    aba0:	85 c0                	test   %eax,%eax
-    aba2:	0f 85 e3 00 00 00    	jne    ac8b <sys_write+0x56c>
-    aba8:	89 fb                	mov    %edi,%ebx
-    abaa:	e9 82 fd ff ff       	jmpq   a931 <sys_write+0x212>
-    abaf:	83 ec 0c             	sub    $0xc,%esp
-    abb2:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    abb6:	50                   	push   %rax
-    abb7:	e8 ee 35 00 00       	callq  e1aa <new_block>
-    abbc:	89 c3                	mov    %eax,%ebx
-    abbe:	83 c4 10             	add    $0x10,%esp
-    abc1:	85 c0                	test   %eax,%eax
-    abc3:	0f 84 b1 00 00 00    	je     ac7a <sys_write+0x55b>
-    abc9:	8b 45 00             	mov    0x0(%rbp),%eax
-    abcc:	66 89 1c 38          	mov    %bx,(%rax,%rdi,1)
-    abd0:	c6 45 09 01          	movb   $0x1,0x9(%rbp)
-    abd4:	e9 a1 00 00 00       	jmpq   ac7a <sys_write+0x55b>
-    abd9:	bb 00 00 00 00       	mov    $0x0,%ebx
-    abde:	e9 4e fd ff ff       	jmpq   a931 <sys_write+0x212>
-    abe3:	bb 00 00 00 00       	mov    $0x0,%ebx
-    abe8:	e9 44 fd ff ff       	jmpq   a931 <sys_write+0x212>
-    abed:	bb 00 00 00 00       	mov    $0x0,%ebx
-    abf2:	e9 3a fd ff ff       	jmpq   a931 <sys_write+0x212>
-    abf7:	83 ec 0c             	sub    $0xc,%esp
-    abfa:	55                   	push   %rbp
-    abfb:	e8 ad 05 00 00       	callq  b1ad <brelse>
-    ac00:	83 c4 10             	add    $0x10,%esp
-    ac03:	e9 29 fd ff ff       	jmpq   a931 <sys_write+0x212>
-    ac08:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    ac0c:	8b 00                	mov    (%rax),%eax
-    ac0e:	0f b7 1c 68          	movzwl (%rax,%rbp,2),%ebx
-    ac12:	eb 37                	jmp    ac4b <sys_write+0x52c>
-    ac14:	83 ec 08             	sub    $0x8,%esp
-    ac17:	0f b7 c0             	movzwl %ax,%eax
-    ac1a:	50                   	push   %rax
-    ac1b:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    ac1f:	50                   	push   %rax
-    ac20:	e8 10 09 00 00       	callq  b535 <bread>
-    ac25:	89 44 24 18          	mov    %eax,0x18(%rsp)
-    ac29:	83 c4 10             	add    $0x10,%esp
-    ac2c:	85 c0                	test   %eax,%eax
-    ac2e:	75 d8                	jne    ac08 <sys_write+0x4e9>
-    ac30:	89 fb                	mov    %edi,%ebx
-    ac32:	e9 fa fc ff ff       	jmpq   a931 <sys_write+0x212>
-    ac37:	01 ed                	add    %ebp,%ebp
-    ac39:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    ac3d:	8b 00                	mov    (%rax),%eax
-    ac3f:	0f b7 1c 28          	movzwl (%rax,%rbp,1),%ebx
-    ac43:	85 db                	test   %ebx,%ebx
-    ac45:	0f 84 ee fd ff ff    	je     aa39 <sys_write+0x31a>
-    ac4b:	83 ec 0c             	sub    $0xc,%esp
-    ac4e:	ff 74 24 14          	pushq  0x14(%rsp)
-    ac52:	e8 56 05 00 00       	callq  b1ad <brelse>
-    ac57:	83 c4 10             	add    $0x10,%esp
-    ac5a:	e9 d2 fc ff ff       	jmpq   a931 <sys_write+0x212>
-    ac5f:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    ac63:	81 e3 ff 01 00 00    	and    $0x1ff,%ebx
-    ac69:	8d 3c 1b             	lea    (%rbx,%rbx,1),%edi
-    ac6c:	8b 00                	mov    (%rax),%eax
-    ac6e:	0f b7 1c 38          	movzwl (%rax,%rdi,1),%ebx
-    ac72:	85 db                	test   %ebx,%ebx
-    ac74:	0f 84 35 ff ff ff    	je     abaf <sys_write+0x490>
-    ac7a:	83 ec 0c             	sub    $0xc,%esp
-    ac7d:	55                   	push   %rbp
-    ac7e:	e8 2a 05 00 00       	callq  b1ad <brelse>
-    ac83:	83 c4 10             	add    $0x10,%esp
-    ac86:	e9 a6 fc ff ff       	jmpq   a931 <sys_write+0x212>
-    ac8b:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    ac8f:	81 e3 ff 01 00 00    	and    $0x1ff,%ebx
-    ac95:	8b 45 00             	mov    0x0(%rbp),%eax
-    ac98:	0f b7 1c 58          	movzwl (%rax,%rbx,2),%ebx
-    ac9c:	eb dc                	jmp    ac7a <sys_write+0x55b>
-
-000000000000ac9e <sync_inodes>:
-    ac9e:	55                   	push   %rbp
-    ac9f:	57                   	push   %rdi
-    aca0:	56                   	push   %rsi
-    aca1:	53                   	push   %rbx
-    aca2:	83 ec 0c             	sub    $0xc,%esp
-    aca5:	be e0 7e 01 00       	mov    $0x17ee0,%esi
-    acaa:	bd e0 85 01 00       	mov    $0x185e0,%ebp
-    acaf:	eb 07                	jmp    acb8 <sync_inodes+0x1a>
-    acb1:	83 c6 38             	add    $0x38,%esi
-    acb4:	39 ee                	cmp    %ebp,%esi
-    acb6:	74 34                	je     acec <sync_inodes+0x4e>
-    acb8:	8d 7e e0             	lea    -0x20(%rsi),%edi
-    acbb:	fa                   	cli    
-    acbc:	89 f3                	mov    %esi,%ebx
-    acbe:	80 7e 12 00          	cmpb   $0x0,0x12(%rsi)
-    acc2:	74 12                	je     acd6 <sync_inodes+0x38>
-    acc4:	83 ec 0c             	sub    $0xc,%esp
-    acc7:	53                   	push   %rbx
-    acc8:	e8 93 a9 ff ff       	callq  5660 <sleep_on>
-    accd:	83 c4 10             	add    $0x10,%esp
-    acd0:	80 7b 12 00          	cmpb   $0x0,0x12(%rbx)
-    acd4:	75 ee                	jne    acc4 <sync_inodes+0x26>
-    acd6:	fb                   	sti    
-    acd7:	80 7b 13 00          	cmpb   $0x0,0x13(%rbx)
-    acdb:	74 d4                	je     acb1 <sync_inodes+0x13>
-    acdd:	80 7b 14 00          	cmpb   $0x0,0x14(%rbx)
-    ace1:	75 ce                	jne    acb1 <sync_inodes+0x13>
-    ace3:	89 f8                	mov    %edi,%eax
-    ace5:	e8 36 fb ff ff       	callq  a820 <sys_write+0x101>
-    acea:	eb c5                	jmp    acb1 <sync_inodes+0x13>
-    acec:	83 c4 0c             	add    $0xc,%esp
-    acef:	5b                   	pop    %rbx
-    acf0:	5e                   	pop    %rsi
-    acf1:	5f                   	pop    %rdi
-    acf2:	5d                   	pop    %rbp
-    acf3:	c3                   	retq   
-
-000000000000acf4 <bmap>:
-    acf4:	83 ec 0c             	sub    $0xc,%esp
-    acf7:	b9 00 00 00 00       	mov    $0x0,%ecx
-    acfc:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    ad00:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    ad04:	e8 f1 fb ff ff       	callq  a8fa <sys_write+0x1db>
-    ad09:	83 c4 0c             	add    $0xc,%esp
-    ad0c:	c3                   	retq   
-
-000000000000ad0d <create_block>:
-    ad0d:	83 ec 0c             	sub    $0xc,%esp
-    ad10:	b9 01 00 00 00       	mov    $0x1,%ecx
-    ad15:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    ad19:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    ad1d:	e8 d8 fb ff ff       	callq  a8fa <sys_write+0x1db>
-    ad22:	83 c4 0c             	add    $0xc,%esp
-    ad25:	c3                   	retq   
-
-000000000000ad26 <iput>:
-    ad26:	56                   	push   %rsi
-    ad27:	53                   	push   %rbx
-    ad28:	83 ec 04             	sub    $0x4,%esp
-    ad2b:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    ad2f:	85 db                	test   %ebx,%ebx
-    ad31:	74 3c                	je     ad6f <iput+0x49>
-    ad33:	fa                   	cli    
-    ad34:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    ad38:	74 15                	je     ad4f <iput+0x29>
-    ad3a:	8d 73 20             	lea    0x20(%rbx),%esi
-    ad3d:	83 ec 0c             	sub    $0xc,%esp
-    ad40:	56                   	push   %rsi
-    ad41:	e8 1a a9 ff ff       	callq  5660 <sleep_on>
-    ad46:	83 c4 10             	add    $0x10,%esp
-    ad49:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    ad4d:	75 ee                	jne    ad3d <iput+0x17>
-    ad4f:	fb                   	sti    
-    ad50:	66 83 7b 30 00       	cmpw   $0x0,0x30(%rbx)
-    ad55:	74 1e                	je     ad75 <iput+0x4f>
-    ad57:	80 7b 34 00          	cmpb   $0x0,0x34(%rbx)
-    ad5b:	75 2a                	jne    ad87 <iput+0x61>
-    ad5d:	66 83 7b 2c 00       	cmpw   $0x0,0x2c(%rbx)
-    ad62:	74 07                	je     ad6b <iput+0x45>
-    ad64:	66 83 7b 30 01       	cmpw   $0x1,0x30(%rbx)
-    ad69:	76 56                	jbe    adc1 <iput+0x9b>
-    ad6b:	66 ff 4b 30          	decw   0x30(%rbx)
-    ad6f:	83 c4 04             	add    $0x4,%esp
-    ad72:	5b                   	pop    %rbx
-    ad73:	5e                   	pop    %rsi
-    ad74:	c3                   	retq   
-    ad75:	83 ec 0c             	sub    $0xc,%esp
-    ad78:	68 04 fa 00 00       	pushq  $0xfa04
-    ad7d:	e8 01 b7 ff ff       	callq  6483 <panic>
-    ad82:	83 c4 10             	add    $0x10,%esp
-    ad85:	eb d0                	jmp    ad57 <iput+0x31>
-    ad87:	83 ec 0c             	sub    $0xc,%esp
-    ad8a:	8d 43 20             	lea    0x20(%rbx),%eax
-    ad8d:	50                   	push   %rax
-    ad8e:	e8 91 a9 ff ff       	callq  5724 <wake_up>
-    ad93:	8b 43 30             	mov    0x30(%rbx),%eax
-    ad96:	48                   	rex.W
-    ad97:	66 89 43 30          	mov    %ax,0x30(%rbx)
-    ad9b:	83 c4 10             	add    $0x10,%esp
-    ad9e:	66 85 c0             	test   %ax,%ax
-    ada1:	75 cc                	jne    ad6f <iput+0x49>
-    ada3:	83 ec 0c             	sub    $0xc,%esp
-    ada6:	ff 73 04             	pushq  0x4(%rbx)
-    ada9:	e8 55 ed ff ff       	callq  9b03 <free_page>
-    adae:	66 c7 43 30 00 00    	movw   $0x0,0x30(%rbx)
-    adb4:	c6 43 33 00          	movb   $0x0,0x33(%rbx)
-    adb8:	c6 43 34 00          	movb   $0x0,0x34(%rbx)
-    adbc:	83 c4 10             	add    $0x10,%esp
-    adbf:	eb ae                	jmp    ad6f <iput+0x49>
-    adc1:	80 7b 0d 00          	cmpb   $0x0,0xd(%rbx)
-    adc5:	74 0f                	je     add6 <iput+0xb0>
-    adc7:	8d 73 20             	lea    0x20(%rbx),%esi
-    adca:	80 7b 33 00          	cmpb   $0x0,0x33(%rbx)
-    adce:	75 29                	jne    adf9 <iput+0xd3>
-    add0:	66 ff 4b 30          	decw   0x30(%rbx)
-    add4:	eb 99                	jmp    ad6f <iput+0x49>
-    add6:	83 ec 0c             	sub    $0xc,%esp
-    add9:	53                   	push   %rbx
-    adda:	e8 8e 3c 00 00       	callq  ea6d <truncate>
-    addf:	89 1c 24             	mov    %ebx,(%rsp)
-    ade2:	e8 24 35 00 00       	callq  e30b <free_inode>
-    ade7:	83 c4 10             	add    $0x10,%esp
-    adea:	eb 83                	jmp    ad6f <iput+0x49>
-    adec:	fb                   	sti    
-    aded:	80 7b 0d 00          	cmpb   $0x0,0xd(%rbx)
-    adf1:	74 e3                	je     add6 <iput+0xb0>
-    adf3:	80 7b 33 00          	cmpb   $0x0,0x33(%rbx)
-    adf7:	74 d7                	je     add0 <iput+0xaa>
-    adf9:	89 d8                	mov    %ebx,%eax
-    adfb:	e8 20 fa ff ff       	callq  a820 <sys_write+0x101>
-    ae00:	fa                   	cli    
-    ae01:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    ae05:	74 e5                	je     adec <iput+0xc6>
-    ae07:	83 ec 0c             	sub    $0xc,%esp
-    ae0a:	56                   	push   %rsi
-    ae0b:	e8 50 a8 ff ff       	callq  5660 <sleep_on>
-    ae10:	83 c4 10             	add    $0x10,%esp
-    ae13:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    ae17:	75 ee                	jne    ae07 <iput+0xe1>
-    ae19:	eb d1                	jmp    adec <iput+0xc6>
-
-000000000000ae1b <get_empty_inode>:
-    ae1b:	55                   	push   %rbp
-    ae1c:	57                   	push   %rdi
-    ae1d:	56                   	push   %rsi
-    ae1e:	53                   	push   %rbx
-    ae1f:	83 ec 0c             	sub    $0xc,%esp
-    ae22:	bb ec 85 01 00       	mov    $0x185ec,%ebx
-    ae27:	be 00 00 00 00       	mov    $0x0,%esi
-    ae2c:	eb 72                	jmp    aea0 <get_empty_inode+0x85>
-    ae2e:	8d 04 12             	lea    (%rdx,%rdx,1),%eax
-    ae31:	01 d0                	add    %edx,%eax
-    ae33:	01 c0                	add    %eax,%eax
-    ae35:	01 d0                	add    %edx,%eax
-    ae37:	8d 3c c5 c0 7e 01 00 	lea    0x17ec0(,%rax,8),%edi
-    ae3e:	85 ff                	test   %edi,%edi
-    ae40:	0f 84 90 00 00 00    	je     aed6 <get_empty_inode+0xbb>
-    ae46:	89 15 c0 85 01 00    	mov    %edx,0x185c0(%rip)        # 2340c <end+0x9204>
-    ae4c:	fa                   	cli    
-    ae4d:	80 7f 32 00          	cmpb   $0x0,0x32(%rdi)
-    ae51:	74 15                	je     ae68 <get_empty_inode+0x4d>
-    ae53:	8d 6f 20             	lea    0x20(%rdi),%ebp
-    ae56:	83 ec 0c             	sub    $0xc,%esp
-    ae59:	55                   	push   %rbp
-    ae5a:	e8 01 a8 ff ff       	callq  5660 <sleep_on>
-    ae5f:	83 c4 10             	add    $0x10,%esp
-    ae62:	80 7f 32 00          	cmpb   $0x0,0x32(%rdi)
-    ae66:	75 ee                	jne    ae56 <get_empty_inode+0x3b>
-    ae68:	fb                   	sti    
-    ae69:	80 7f 33 00          	cmpb   $0x0,0x33(%rdi)
-    ae6d:	74 2a                	je     ae99 <get_empty_inode+0x7e>
-    ae6f:	8d 6f 20             	lea    0x20(%rdi),%ebp
-    ae72:	89 f8                	mov    %edi,%eax
-    ae74:	e8 a7 f9 ff ff       	callq  a820 <sys_write+0x101>
-    ae79:	fa                   	cli    
-    ae7a:	80 7f 32 00          	cmpb   $0x0,0x32(%rdi)
-    ae7e:	74 12                	je     ae92 <get_empty_inode+0x77>
-    ae80:	83 ec 0c             	sub    $0xc,%esp
-    ae83:	55                   	push   %rbp
-    ae84:	e8 d7 a7 ff ff       	callq  5660 <sleep_on>
-    ae89:	83 c4 10             	add    $0x10,%esp
-    ae8c:	80 7f 32 00          	cmpb   $0x0,0x32(%rdi)
-    ae90:	75 ee                	jne    ae80 <get_empty_inode+0x65>
-    ae92:	fb                   	sti    
-    ae93:	80 7f 33 00          	cmpb   $0x0,0x33(%rdi)
-    ae97:	75 d9                	jne    ae72 <get_empty_inode+0x57>
-    ae99:	66 83 7f 30 00       	cmpw   $0x0,0x30(%rdi)
-    ae9e:	74 77                	je     af17 <get_empty_inode+0xfc>
-    aea0:	8b 15 c0 85 01 00    	mov    0x185c0(%rip),%edx        # 23466 <end+0x925e>
-    aea6:	eb 09                	jmp    aeb1 <get_empty_inode+0x96>
-    aea8:	a1 c0 85 01 00 39 d0 	movabs 0x2574d039000185c0,%eax
-    aeaf:	74 25 
-    aeb1:	8d 04 12             	lea    (%rdx,%rdx,1),%eax
-    aeb4:	01 d0                	add    %edx,%eax
-    aeb6:	01 c0                	add    %eax,%eax
-    aeb8:	01 d0                	add    %edx,%eax
-    aeba:	66 83 3c c5 f0 7e 01 	cmpw   $0x0,0x17ef0(,%rax,8)
-    aec1:	00 00 
-    aec3:	0f 84 65 ff ff ff    	je     ae2e <get_empty_inode+0x13>
-    aec9:	42 83 fa 1f          	rex.X cmp $0x1f,%edx
-    aecd:	7e d9                	jle    aea8 <get_empty_inode+0x8d>
-    aecf:	ba 00 00 00 00       	mov    $0x0,%edx
-    aed4:	eb d2                	jmp    aea8 <get_empty_inode+0x8d>
-    aed6:	bf ec 7e 01 00       	mov    $0x17eec,%edi
-    aedb:	83 ec 04             	sub    $0x4,%esp
-    aede:	0f b7 47 02          	movzwl 0x2(%rdi),%eax
-    aee2:	50                   	push   %rax
-    aee3:	0f b7 07             	movzwl (%rdi),%eax
-    aee6:	50                   	push   %rax
-    aee7:	68 8d f4 00 00       	pushq  $0xf48d
-    aeec:	e8 bd b5 ff ff       	callq  64ae <printk>
-    aef1:	83 c7 38             	add    $0x38,%edi
-    aef4:	83 c4 10             	add    $0x10,%esp
-    aef7:	39 fb                	cmp    %edi,%ebx
-    aef9:	75 e0                	jne    aedb <get_empty_inode+0xc0>
-    aefb:	83 ec 0c             	sub    $0xc,%esp
-    aefe:	68 98 f4 00 00       	pushq  $0xf498
-    af03:	e8 7b b5 ff ff       	callq  6483 <panic>
-    af08:	83 c4 10             	add    $0x10,%esp
-    af0b:	89 f7                	mov    %esi,%edi
-    af0d:	ba 20 00 00 00       	mov    $0x20,%edx
-    af12:	e9 2f ff ff ff       	jmpq   ae46 <get_empty_inode+0x2b>
-    af17:	b0 00                	mov    $0x0,%al
-    af19:	b9 38 00 00 00       	mov    $0x38,%ecx
-    af1e:	fc                   	cld    
-    af1f:	f3 aa                	rep stos %al,%es:(%rdi)
-    af21:	66 c7 47 30 01 00    	movw   $0x1,0x30(%rdi)
-    af27:	89 f8                	mov    %edi,%eax
-    af29:	83 c4 0c             	add    $0xc,%esp
-    af2c:	5b                   	pop    %rbx
-    af2d:	5e                   	pop    %rsi
-    af2e:	5f                   	pop    %rdi
-    af2f:	5d                   	pop    %rbp
-    af30:	c3                   	retq   
-
-000000000000af31 <get_pipe_inode>:
-    af31:	53                   	push   %rbx
-    af32:	83 ec 08             	sub    $0x8,%esp
-    af35:	e8 e1 fe ff ff       	callq  ae1b <get_empty_inode>
-    af3a:	89 c3                	mov    %eax,%ebx
-    af3c:	85 c0                	test   %eax,%eax
-    af3e:	74 24                	je     af64 <get_pipe_inode+0x33>
-    af40:	e8 86 eb ff ff       	callq  9acb <get_free_page>
-    af45:	89 43 04             	mov    %eax,0x4(%rbx)
-    af48:	85 c0                	test   %eax,%eax
-    af4a:	74 1f                	je     af6b <get_pipe_inode+0x3a>
-    af4c:	66 c7 43 30 02 00    	movw   $0x2,0x30(%rbx)
-    af52:	c7 43 12 00 00 00 00 	movl   $0x0,0x12(%rbx)
-    af59:	c7 43 0e 00 00 00 00 	movl   $0x0,0xe(%rbx)
-    af60:	c6 43 34 01          	movb   $0x1,0x34(%rbx)
-    af64:	89 d8                	mov    %ebx,%eax
-    af66:	83 c4 08             	add    $0x8,%esp
-    af69:	5b                   	pop    %rbx
-    af6a:	c3                   	retq   
-    af6b:	66 c7 43 30 00 00    	movw   $0x0,0x30(%rbx)
-    af71:	bb 00 00 00 00       	mov    $0x0,%ebx
-    af76:	eb ec                	jmp    af64 <get_pipe_inode+0x33>
-
-000000000000af78 <iget>:
-    af78:	55                   	push   %rbp
-    af79:	57                   	push   %rdi
-    af7a:	56                   	push   %rsi
-    af7b:	53                   	push   %rbx
-    af7c:	83 ec 0c             	sub    $0xc,%esp
-    af7f:	8b 74 24 20          	mov    0x20(%rsp),%esi
-    af83:	85 f6                	test   %esi,%esi
-    af85:	74 0e                	je     af95 <iget+0x1d>
-    af87:	e8 8f fe ff ff       	callq  ae1b <get_empty_inode>
-    af8c:	89 c5                	mov    %eax,%ebp
-    af8e:	bb c0 7e 01 00       	mov    $0x17ec0,%ebx
-    af93:	eb 2b                	jmp    afc0 <iget+0x48>
-    af95:	83 ec 0c             	sub    $0xc,%esp
-    af98:	68 ae f4 00 00       	pushq  $0xf4ae
-    af9d:	e8 e1 b4 ff ff       	callq  6483 <panic>
-    afa2:	83 c4 10             	add    $0x10,%esp
-    afa5:	eb e0                	jmp    af87 <iget+0xf>
-    afa7:	bb c0 7e 01 00       	mov    $0x17ec0,%ebx
-    afac:	eb 12                	jmp    afc0 <iget+0x48>
-    afae:	bb c0 7e 01 00       	mov    $0x17ec0,%ebx
-    afb3:	eb 0b                	jmp    afc0 <iget+0x48>
-    afb5:	83 c3 38             	add    $0x38,%ebx
-    afb8:	81 fb c0 85 01 00    	cmp    $0x185c0,%ebx
-    afbe:	73 60                	jae    b020 <iget+0xa8>
-    afc0:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    afc4:	39 f0                	cmp    %esi,%eax
-    afc6:	75 ed                	jne    afb5 <iget+0x3d>
-    afc8:	0f b7 43 2e          	movzwl 0x2e(%rbx),%eax
-    afcc:	3b 44 24 24          	cmp    0x24(%rsp),%eax
-    afd0:	75 e3                	jne    afb5 <iget+0x3d>
-    afd2:	fa                   	cli    
-    afd3:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    afd7:	74 15                	je     afee <iget+0x76>
-    afd9:	8d 7b 20             	lea    0x20(%rbx),%edi
-    afdc:	83 ec 0c             	sub    $0xc,%esp
-    afdf:	57                   	push   %rdi
-    afe0:	e8 7b a6 ff ff       	callq  5660 <sleep_on>
-    afe5:	83 c4 10             	add    $0x10,%esp
-    afe8:	80 7b 32 00          	cmpb   $0x0,0x32(%rbx)
-    afec:	75 ee                	jne    afdc <iget+0x64>
-    afee:	fb                   	sti    
-    afef:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    aff3:	39 f0                	cmp    %esi,%eax
-    aff5:	75 b0                	jne    afa7 <iget+0x2f>
-    aff7:	0f b7 43 2e          	movzwl 0x2e(%rbx),%eax
-    affb:	3b 44 24 24          	cmp    0x24(%rsp),%eax
-    afff:	75 ad                	jne    afae <iget+0x36>
-    b001:	66 ff 43 30          	incw   0x30(%rbx)
-    b005:	85 ed                	test   %ebp,%ebp
-    b007:	0f 84 ee 00 00 00    	je     b0fb <iget+0x183>
-    b00d:	83 ec 0c             	sub    $0xc,%esp
-    b010:	55                   	push   %rbp
-    b011:	e8 10 fd ff ff       	callq  ad26 <iput>
-    b016:	83 c4 10             	add    $0x10,%esp
-    b019:	89 dd                	mov    %ebx,%ebp
-    b01b:	e9 b8 00 00 00       	jmpq   b0d8 <iget+0x160>
-    b020:	85 ed                	test   %ebp,%ebp
-    b022:	0f 84 b0 00 00 00    	je     b0d8 <iget+0x160>
-    b028:	66 89 75 2c          	mov    %si,0x2c(%rbp)
-    b02c:	8b 44 24 24          	mov    0x24(%rsp),%eax
-    b030:	66 89 45 2e          	mov    %ax,0x2e(%rbp)
-    b034:	fa                   	cli    
-    b035:	80 7d 32 00          	cmpb   $0x0,0x32(%rbp)
-    b039:	74 15                	je     b050 <iget+0xd8>
-    b03b:	8d 5d 20             	lea    0x20(%rbp),%ebx
-    b03e:	83 ec 0c             	sub    $0xc,%esp
-    b041:	53                   	push   %rbx
-    b042:	e8 19 a6 ff ff       	callq  5660 <sleep_on>
-    b047:	83 c4 10             	add    $0x10,%esp
-    b04a:	80 7d 32 00          	cmpb   $0x0,0x32(%rbp)
-    b04e:	75 ee                	jne    b03e <iget+0xc6>
-    b050:	c6 45 32 01          	movb   $0x1,0x32(%rbp)
-    b054:	fb                   	sti    
-    b055:	8b 55 2c             	mov    0x2c(%rbp),%edx
-    b058:	0f b7 ca             	movzwl %dx,%ecx
-    b05b:	66 3b 15 14 9b 01 00 	cmp    0x19b14(%rip),%dx        # 24b76 <end+0xa96e>
-    b062:	74 7e                	je     b0e2 <iget+0x16a>
-    b064:	b8 28 9b 01 00       	mov    $0x19b28,%eax
-    b069:	66 3b 50 54          	cmp    0x54(%rax),%dx
-    b06d:	74 0f                	je     b07e <iget+0x106>
-    b06f:	83 c0 68             	add    $0x68,%eax
-    b072:	3d 00 9e 01 00       	cmp    $0x19e00,%eax
-    b077:	72 f0                	jb     b069 <iget+0xf1>
-    b079:	b8 00 00 00 00       	mov    $0x0,%eax
-    b07e:	83 ec 08             	sub    $0x8,%esp
-    b081:	0f b7 50 04          	movzwl 0x4(%rax),%edx
-    b085:	0f b7 40 06          	movzwl 0x6(%rax),%eax
-    b089:	8d 54 02 02          	lea    0x2(%rdx,%rax,1),%edx
-    b08d:	0f b7 45 2e          	movzwl 0x2e(%rbp),%eax
-    b091:	48 c1 e8 05          	shr    $0x5,%rax
-    b095:	01 d0                	add    %edx,%eax
-    b097:	50                   	push   %rax
-    b098:	51                   	push   %rcx
-    b099:	e8 97 04 00 00       	callq  b535 <bread>
-    b09e:	89 c3                	mov    %eax,%ebx
-    b0a0:	83 c4 10             	add    $0x10,%esp
-    b0a3:	85 c0                	test   %eax,%eax
-    b0a5:	74 42                	je     b0e9 <iget+0x171>
-    b0a7:	0f b7 75 2e          	movzwl 0x2e(%rbp),%esi
-    b0ab:	4e 83 e6 1f          	rex.WRX and $0x1f,%rsi
-    b0af:	c1 e6 05             	shl    $0x5,%esi
-    b0b2:	03 33                	add    (%rbx),%esi
-    b0b4:	b9 08 00 00 00       	mov    $0x8,%ecx
-    b0b9:	89 ef                	mov    %ebp,%edi
-    b0bb:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    b0bd:	83 ec 0c             	sub    $0xc,%esp
-    b0c0:	53                   	push   %rbx
-    b0c1:	e8 e7 00 00 00       	callq  b1ad <brelse>
-    b0c6:	c6 45 32 00          	movb   $0x0,0x32(%rbp)
-    b0ca:	8d 45 20             	lea    0x20(%rbp),%eax
-    b0cd:	89 04 24             	mov    %eax,(%rsp)
-    b0d0:	e8 4f a6 ff ff       	callq  5724 <wake_up>
-    b0d5:	83 c4 10             	add    $0x10,%esp
-    b0d8:	89 e8                	mov    %ebp,%eax
-    b0da:	83 c4 0c             	add    $0xc,%esp
-    b0dd:	5b                   	pop    %rbx
-    b0de:	5e                   	pop    %rsi
-    b0df:	5f                   	pop    %rdi
-    b0e0:	5d                   	pop    %rbp
-    b0e1:	c3                   	retq   
-    b0e2:	b8 c0 9a 01 00       	mov    $0x19ac0,%eax
-    b0e7:	eb 95                	jmp    b07e <iget+0x106>
-    b0e9:	83 ec 0c             	sub    $0xc,%esp
-    b0ec:	68 51 f4 00 00       	pushq  $0xf451
-    b0f1:	e8 8d b3 ff ff       	callq  6483 <panic>
-    b0f6:	83 c4 10             	add    $0x10,%esp
-    b0f9:	eb ac                	jmp    b0a7 <iget+0x12f>
-    b0fb:	89 dd                	mov    %ebx,%ebp
-    b0fd:	eb d9                	jmp    b0d8 <iget+0x160>
-    b0ff:	56                   	push   %rsi
-    b100:	53                   	push   %rbx
-    b101:	89 c1                	mov    %eax,%ecx
-    b103:	89 d3                	mov    %edx,%ebx
-    b105:	31 d0                	xor    %edx,%eax
-    b107:	be 33 01 00 00       	mov    $0x133,%esi
-    b10c:	ba 00 00 00 00       	mov    $0x0,%edx
-    b111:	f7 f6                	div    %esi
-    b113:	8b 04 95 e0 95 01 00 	mov    0x195e0(,%rdx,4),%eax
-    b11a:	85 c0                	test   %eax,%eax
-    b11c:	75 09                	jne    b127 <iget+0x1af>
-    b11e:	eb 17                	jmp    b137 <iget+0x1bf>
-    b120:	8b 40 14             	mov    0x14(%rax),%eax
-    b123:	85 c0                	test   %eax,%eax
-    b125:	74 10                	je     b137 <iget+0x1bf>
-    b127:	0f b7 50 04          	movzwl 0x4(%rax),%edx
-    b12b:	39 ca                	cmp    %ecx,%edx
-    b12d:	75 f1                	jne    b120 <iget+0x1a8>
-    b12f:	0f b7 50 06          	movzwl 0x6(%rax),%edx
-    b133:	39 da                	cmp    %ebx,%edx
-    b135:	75 e9                	jne    b120 <iget+0x1a8>
-    b137:	5b                   	pop    %rbx
-    b138:	5e                   	pop    %rsi
-    b139:	c3                   	retq   
-
-000000000000b13a <sys_sync>:
-    b13a:	55                   	push   %rbp
-    b13b:	57                   	push   %rdi
-    b13c:	56                   	push   %rsi
-    b13d:	53                   	push   %rbx
-    b13e:	83 ec 0c             	sub    $0xc,%esp
-    b141:	e8 58 fb ff ff       	callq  ac9e <sync_inodes>
-    b146:	8b 35 d0 63 01 00    	mov    0x163d0(%rip),%esi        # 2151c <end+0x7314>
-    b14c:	83 3d c4 85 01 00 00 	cmpl   $0x0,0x185c4(%rip)        # 23717 <end+0x950f>
-    b153:	7e 4b                	jle    b1a0 <sys_sync+0x66>
-    b155:	83 c6 0c             	add    $0xc,%esi
-    b158:	bf 00 00 00 00       	mov    $0x0,%edi
-    b15d:	eb 0c                	jmp    b16b <sys_sync+0x31>
-    b15f:	47 83 c6 20          	rex.RXB add $0x20,%r14d
-    b163:	39 3d c4 85 01 00    	cmp    %edi,0x185c4(%rip)        # 2372d <end+0x9525>
-    b169:	7e 35                	jle    b1a0 <sys_sync+0x66>
-    b16b:	8d 6e f4             	lea    -0xc(%rsi),%ebp
-    b16e:	fa                   	cli    
-    b16f:	89 f3                	mov    %esi,%ebx
-    b171:	80 7e ff 00          	cmpb   $0x0,-0x1(%rsi)
-    b175:	74 12                	je     b189 <sys_sync+0x4f>
-    b177:	83 ec 0c             	sub    $0xc,%esp
-    b17a:	53                   	push   %rbx
-    b17b:	e8 e0 a4 ff ff       	callq  5660 <sleep_on>
-    b180:	83 c4 10             	add    $0x10,%esp
-    b183:	80 7b ff 00          	cmpb   $0x0,-0x1(%rbx)
-    b187:	75 ee                	jne    b177 <sys_sync+0x3d>
-    b189:	fb                   	sti    
-    b18a:	80 7b fd 00          	cmpb   $0x0,-0x3(%rbx)
-    b18e:	74 cf                	je     b15f <sys_sync+0x25>
-    b190:	83 ec 08             	sub    $0x8,%esp
-    b193:	55                   	push   %rbp
-    b194:	6a 01                	pushq  $0x1
-    b196:	e8 ec 09 00 00       	callq  bb87 <ll_rw_block>
-    b19b:	83 c4 10             	add    $0x10,%esp
-    b19e:	eb bf                	jmp    b15f <sys_sync+0x25>
-    b1a0:	b8 00 00 00 00       	mov    $0x0,%eax
-    b1a5:	83 c4 0c             	add    $0xc,%esp
-    b1a8:	5b                   	pop    %rbx
-    b1a9:	5e                   	pop    %rsi
-    b1aa:	5f                   	pop    %rdi
-    b1ab:	5d                   	pop    %rbp
-    b1ac:	c3                   	retq   
-
-000000000000b1ad <brelse>:
-    b1ad:	56                   	push   %rsi
-    b1ae:	53                   	push   %rbx
-    b1af:	83 ec 04             	sub    $0x4,%esp
-    b1b2:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    b1b6:	85 db                	test   %ebx,%ebx
-    b1b8:	74 3a                	je     b1f4 <brelse+0x47>
-    b1ba:	fa                   	cli    
-    b1bb:	80 7b 0b 00          	cmpb   $0x0,0xb(%rbx)
-    b1bf:	74 15                	je     b1d6 <brelse+0x29>
-    b1c1:	8d 73 0c             	lea    0xc(%rbx),%esi
-    b1c4:	83 ec 0c             	sub    $0xc,%esp
-    b1c7:	56                   	push   %rsi
-    b1c8:	e8 93 a4 ff ff       	callq  5660 <sleep_on>
-    b1cd:	83 c4 10             	add    $0x10,%esp
-    b1d0:	80 7b 0b 00          	cmpb   $0x0,0xb(%rbx)
-    b1d4:	75 ee                	jne    b1c4 <brelse+0x17>
-    b1d6:	fb                   	sti    
-    b1d7:	8a 43 0a             	mov    0xa(%rbx),%al
-    b1da:	8d 50 ff             	lea    -0x1(%rax),%edx
-    b1dd:	88 53 0a             	mov    %dl,0xa(%rbx)
-    b1e0:	84 c0                	test   %al,%al
-    b1e2:	74 16                	je     b1fa <brelse+0x4d>
-    b1e4:	83 ec 0c             	sub    $0xc,%esp
-    b1e7:	68 c8 85 01 00       	pushq  $0x185c8
-    b1ec:	e8 33 a5 ff ff       	callq  5724 <wake_up>
-    b1f1:	83 c4 10             	add    $0x10,%esp
-    b1f4:	83 c4 04             	add    $0x4,%esp
-    b1f7:	5b                   	pop    %rbx
-    b1f8:	5e                   	pop    %rsi
-    b1f9:	c3                   	retq   
-    b1fa:	83 ec 0c             	sub    $0xc,%esp
-    b1fd:	68 bf f4 00 00       	pushq  $0xf4bf
-    b202:	e8 7c b2 ff ff       	callq  6483 <panic>
-    b207:	83 c4 10             	add    $0x10,%esp
-    b20a:	eb d8                	jmp    b1e4 <brelse+0x37>
-
-000000000000b20c <get_hash_table>:
-    b20c:	55                   	push   %rbp
-    b20d:	57                   	push   %rdi
-    b20e:	56                   	push   %rsi
-    b20f:	53                   	push   %rbx
-    b210:	83 ec 0c             	sub    $0xc,%esp
-    b213:	8b 7c 24 20          	mov    0x20(%rsp),%edi
-    b217:	8b 6c 24 24          	mov    0x24(%rsp),%ebp
-    b21b:	eb 0c                	jmp    b229 <get_hash_table+0x1d>
-    b21d:	83 ec 0c             	sub    $0xc,%esp
-    b220:	53                   	push   %rbx
-    b221:	e8 87 ff ff ff       	callq  b1ad <brelse>
-    b226:	83 c4 10             	add    $0x10,%esp
-    b229:	89 ea                	mov    %ebp,%edx
-    b22b:	89 f8                	mov    %edi,%eax
-    b22d:	e8 cd fe ff ff       	callq  b0ff <iget+0x187>
-    b232:	89 c3                	mov    %eax,%ebx
-    b234:	85 c0                	test   %eax,%eax
-    b236:	74 30                	je     b268 <get_hash_table+0x5c>
-    b238:	fe 40 0a             	incb   0xa(%rax)
-    b23b:	fa                   	cli    
-    b23c:	80 78 0b 00          	cmpb   $0x0,0xb(%rax)
-    b240:	74 15                	je     b257 <get_hash_table+0x4b>
-    b242:	8d 70 0c             	lea    0xc(%rax),%esi
-    b245:	83 ec 0c             	sub    $0xc,%esp
-    b248:	56                   	push   %rsi
-    b249:	e8 12 a4 ff ff       	callq  5660 <sleep_on>
-    b24e:	83 c4 10             	add    $0x10,%esp
-    b251:	80 7b 0b 00          	cmpb   $0x0,0xb(%rbx)
-    b255:	75 ee                	jne    b245 <get_hash_table+0x39>
-    b257:	fb                   	sti    
-    b258:	0f b7 43 04          	movzwl 0x4(%rbx),%eax
-    b25c:	39 f8                	cmp    %edi,%eax
-    b25e:	75 bd                	jne    b21d <get_hash_table+0x11>
-    b260:	0f b7 43 06          	movzwl 0x6(%rbx),%eax
-    b264:	39 e8                	cmp    %ebp,%eax
-    b266:	75 b5                	jne    b21d <get_hash_table+0x11>
-    b268:	89 d8                	mov    %ebx,%eax
-    b26a:	83 c4 0c             	add    $0xc,%esp
-    b26d:	5b                   	pop    %rbx
-    b26e:	5e                   	pop    %rsi
-    b26f:	5f                   	pop    %rdi
-    b270:	5d                   	pop    %rbp
-    b271:	c3                   	retq   
-
-000000000000b272 <getblk>:
-    b272:	55                   	push   %rbp
-    b273:	57                   	push   %rdi
-    b274:	56                   	push   %rsi
-    b275:	53                   	push   %rbx
-    b276:	83 ec 1c             	sub    $0x1c,%esp
-    b279:	e9 55 01 00 00       	jmpq   b3d3 <getblk+0x161>
-    b27e:	fb                   	sti    
-    b27f:	80 7f 0a 00          	cmpb   $0x0,0xa(%rdi)
-    b283:	74 33                	je     b2b8 <getblk+0x46>
-    b285:	8b 7f 1c             	mov    0x1c(%rdi),%edi
-    b288:	39 3d cc 85 01 00    	cmp    %edi,0x185cc(%rip)        # 2385a <end+0x9652>
-    b28e:	0f 84 67 01 00 00    	je     b3fb <getblk+0x189>
-    b294:	80 7f 0a 00          	cmpb   $0x0,0xa(%rdi)
-    b298:	75 eb                	jne    b285 <getblk+0x13>
-    b29a:	fa                   	cli    
-    b29b:	80 7f 0b 00          	cmpb   $0x0,0xb(%rdi)
-    b29f:	74 dd                	je     b27e <getblk+0xc>
-    b2a1:	8d 5f 0c             	lea    0xc(%rdi),%ebx
-    b2a4:	83 ec 0c             	sub    $0xc,%esp
-    b2a7:	53                   	push   %rbx
-    b2a8:	e8 b3 a3 ff ff       	callq  5660 <sleep_on>
-    b2ad:	83 c4 10             	add    $0x10,%esp
-    b2b0:	80 7f 0b 00          	cmpb   $0x0,0xb(%rdi)
-    b2b4:	75 ee                	jne    b2a4 <getblk+0x32>
-    b2b6:	eb c6                	jmp    b27e <getblk+0xc>
-    b2b8:	85 ff                	test   %edi,%edi
-    b2ba:	0f 84 3b 01 00 00    	je     b3fb <getblk+0x189>
-    b2c0:	c6 47 0a 01          	movb   $0x1,0xa(%rdi)
-    b2c4:	8b 47 14             	mov    0x14(%rdi),%eax
-    b2c7:	85 c0                	test   %eax,%eax
-    b2c9:	74 06                	je     b2d1 <getblk+0x5f>
-    b2cb:	8b 57 10             	mov    0x10(%rdi),%edx
-    b2ce:	89 50 10             	mov    %edx,0x10(%rax)
-    b2d1:	8b 47 10             	mov    0x10(%rdi),%eax
-    b2d4:	85 c0                	test   %eax,%eax
-    b2d6:	74 06                	je     b2de <getblk+0x6c>
-    b2d8:	8b 57 14             	mov    0x14(%rdi),%edx
-    b2db:	89 50 14             	mov    %edx,0x14(%rax)
-    b2de:	8b 47 04             	mov    0x4(%rdi),%eax
-    b2e1:	66 33 47 06          	xor    0x6(%rdi),%ax
-    b2e5:	b9 33 01 00 00       	mov    $0x133,%ecx
-    b2ea:	ba 00 00 00 00       	mov    $0x0,%edx
-    b2ef:	66 f7 f1             	div    %cx
-    b2f2:	0f b7 d2             	movzwl %dx,%edx
-    b2f5:	3b 3c 95 e0 95 01 00 	cmp    0x195e0(,%rdx,4),%edi
-    b2fc:	0f 84 23 01 00 00    	je     b425 <getblk+0x1b3>
-    b302:	83 7f 18 00          	cmpl   $0x0,0x18(%rdi)
-    b306:	0f 84 28 01 00 00    	je     b434 <getblk+0x1c2>
-    b30c:	83 7f 1c 00          	cmpl   $0x0,0x1c(%rdi)
-    b310:	0f 84 1e 01 00 00    	je     b434 <getblk+0x1c2>
-    b316:	8b 47 18             	mov    0x18(%rdi),%eax
-    b319:	8b 57 1c             	mov    0x1c(%rdi),%edx
-    b31c:	89 50 1c             	mov    %edx,0x1c(%rax)
-    b31f:	8b 47 1c             	mov    0x1c(%rdi),%eax
-    b322:	8b 57 18             	mov    0x18(%rdi),%edx
-    b325:	89 50 18             	mov    %edx,0x18(%rax)
-    b328:	3b 3d cc 85 01 00    	cmp    0x185cc(%rip),%edi        # 238fa <end+0x96f2>
-    b32e:	0f 84 15 01 00 00    	je     b449 <getblk+0x1d7>
-    b334:	80 7f 09 00          	cmpb   $0x0,0x9(%rdi)
-    b338:	0f 85 18 01 00 00    	jne    b456 <getblk+0x1e4>
-    b33e:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    b342:	66 89 47 04          	mov    %ax,0x4(%rdi)
-    b346:	8b 44 24 34          	mov    0x34(%rsp),%eax
-    b34a:	66 89 47 06          	mov    %ax,0x6(%rdi)
-    b34e:	c6 47 09 00          	movb   $0x0,0x9(%rdi)
-    b352:	c6 47 08 00          	movb   $0x0,0x8(%rdi)
-    b356:	8b 54 24 34          	mov    0x34(%rsp),%edx
-    b35a:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    b35e:	e8 9c fd ff ff       	callq  b0ff <iget+0x187>
-    b363:	85 c0                	test   %eax,%eax
-    b365:	0f 84 68 01 00 00    	je     b4d3 <getblk+0x261>
-    b36b:	66 c7 47 04 00 00    	movw   $0x0,0x4(%rdi)
-    b371:	66 c7 47 06 00 00    	movw   $0x0,0x6(%rdi)
-    b377:	c6 47 0a 00          	movb   $0x0,0xa(%rdi)
-    b37b:	a1 cc 85 01 00 89 47 	movabs 0x8b1c4789000185cc,%eax
-    b382:	1c 8b 
-    b384:	50                   	push   %rax
-    b385:	18 89 57 18 8b 50    	sbb    %cl,0x508b1857(%rcx)
-    b38b:	18 89 7a 1c 89 78    	sbb    %cl,0x78891c7a(%rcx)
-    b391:	18 c7                	sbb    %al,%bh
-    b393:	47 10 00             	rex.RXB adc %r8b,(%r8)
-    b396:	00 00                	add    %al,(%rax)
-    b398:	00 c7                	add    %al,%bh
-    b39a:	47 14 00             	rex.RXB adc $0x0,%al
-    b39d:	00 00                	add    %al,(%rax)
-    b39f:	00 8b 47 04 66 85    	add    %cl,-0x7a99fbb9(%rbx)
-    b3a5:	c0 74 2b 66 33       	shlb   $0x33,0x66(%rbx,%rbp,1)
-    b3aa:	47 06                	rex.RXB (bad) 
-    b3ac:	b9 33 01 00 00       	mov    $0x133,%ecx
-    b3b1:	ba 00 00 00 00       	mov    $0x0,%edx
-    b3b6:	66 f7 f1             	div    %cx
-    b3b9:	0f b7 c2             	movzwl %dx,%eax
-    b3bc:	8b 14 85 e0 95 01 00 	mov    0x195e0(,%rax,4),%edx
-    b3c3:	89 57 14             	mov    %edx,0x14(%rdi)
-    b3c6:	89 3c 85 e0 95 01 00 	mov    %edi,0x195e0(,%rax,4)
-    b3cd:	8b 47 14             	mov    0x14(%rdi),%eax
-    b3d0:	89 78 10             	mov    %edi,0x10(%rax)
-    b3d3:	83 ec 08             	sub    $0x8,%esp
-    b3d6:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    b3da:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    b3de:	e8 29 fe ff ff       	callq  b20c <get_hash_table>
-    b3e3:	89 c7                	mov    %eax,%edi
-    b3e5:	83 c4 10             	add    $0x10,%esp
-    b3e8:	85 c0                	test   %eax,%eax
-    b3ea:	0f 85 3b 01 00 00    	jne    b52b <getblk+0x2b9>
-    b3f0:	8b 3d cc 85 01 00    	mov    0x185cc(%rip),%edi        # 239c2 <end+0x97ba>
-    b3f6:	e9 99 fe ff ff       	jmpq   b294 <getblk+0x22>
-    b3fb:	83 ec 0c             	sub    $0xc,%esp
-    b3fe:	68 da f4 00 00       	pushq  $0xf4da
-    b403:	e8 a6 b0 ff ff       	callq  64ae <printk>
-    b408:	c7 04 24 c8 85 01 00 	movl   $0x185c8,(%rsp)
-    b40f:	e8 4c a2 ff ff       	callq  5660 <sleep_on>
-    b414:	c7 04 24 f5 f4 00 00 	movl   $0xf4f5,(%rsp)
-    b41b:	e8 8e b0 ff ff       	callq  64ae <printk>
-    b420:	83 c4 10             	add    $0x10,%esp
-    b423:	eb ae                	jmp    b3d3 <getblk+0x161>
-    b425:	8b 47 14             	mov    0x14(%rdi),%eax
-    b428:	89 04 95 e0 95 01 00 	mov    %eax,0x195e0(,%rdx,4)
-    b42f:	e9 ce fe ff ff       	jmpq   b302 <getblk+0x90>
-    b434:	83 ec 0c             	sub    $0xc,%esp
-    b437:	68 f9 f4 00 00       	pushq  $0xf4f9
-    b43c:	e8 42 b0 ff ff       	callq  6483 <panic>
-    b441:	83 c4 10             	add    $0x10,%esp
-    b444:	e9 cd fe ff ff       	jmpq   b316 <getblk+0xa4>
-    b449:	8b 47 1c             	mov    0x1c(%rdi),%eax
-    b44c:	a3 cc 85 01 00 e9 de 	movabs %eax,0xfffedee9000185cc
-    b453:	fe ff 
-    b455:	ff 8b 6f 04 8b 1d    	decl   0x1d8b046f(%rbx)
-    b45b:	d0 63 01             	shlb   0x1(%rbx)
-    b45e:	00 83 3d c4 85 01    	add    %al,0x185c43d(%rbx)
-    b464:	00 00                	add    %al,(%rax)
-    b466:	0f 8e d2 fe ff ff    	jle    b33e <getblk+0xcc>
-    b46c:	83 c3 0c             	add    $0xc,%ebx
-    b46f:	b8 00 00 00 00       	mov    $0x0,%eax
-    b474:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
-    b478:	89 c7                	mov    %eax,%edi
-    b47a:	eb 0c                	jmp    b488 <getblk+0x216>
-    b47c:	47 83 c3 20          	rex.RXB add $0x20,%r11d
-    b480:	3b 3d c4 85 01 00    	cmp    0x185c4(%rip),%edi        # 23a4a <end+0x9842>
-    b486:	7d 42                	jge    b4ca <getblk+0x258>
-    b488:	8d 43 f4             	lea    -0xc(%rbx),%eax
-    b48b:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    b48f:	89 de                	mov    %ebx,%esi
-    b491:	66 3b 6b f8          	cmp    -0x8(%rbx),%bp
-    b495:	75 e5                	jne    b47c <getblk+0x20a>
-    b497:	fa                   	cli    
-    b498:	80 7b ff 00          	cmpb   $0x0,-0x1(%rbx)
-    b49c:	74 12                	je     b4b0 <getblk+0x23e>
-    b49e:	83 ec 0c             	sub    $0xc,%esp
-    b4a1:	56                   	push   %rsi
-    b4a2:	e8 b9 a1 ff ff       	callq  5660 <sleep_on>
-    b4a7:	83 c4 10             	add    $0x10,%esp
-    b4aa:	80 7e ff 00          	cmpb   $0x0,-0x1(%rsi)
-    b4ae:	75 ee                	jne    b49e <getblk+0x22c>
-    b4b0:	fb                   	sti    
-    b4b1:	80 7e fd 00          	cmpb   $0x0,-0x3(%rsi)
-    b4b5:	74 c5                	je     b47c <getblk+0x20a>
-    b4b7:	83 ec 08             	sub    $0x8,%esp
-    b4ba:	ff 74 24 10          	pushq  0x10(%rsp)
-    b4be:	6a 01                	pushq  $0x1
-    b4c0:	e8 c2 06 00 00       	callq  bb87 <ll_rw_block>
-    b4c5:	83 c4 10             	add    $0x10,%esp
-    b4c8:	eb b2                	jmp    b47c <getblk+0x20a>
-    b4ca:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    b4ce:	e9 6b fe ff ff       	jmpq   b33e <getblk+0xcc>
-    b4d3:	a1 cc 85 01 00 89 47 	movabs 0x8b1c4789000185cc,%eax
-    b4da:	1c 8b 
-    b4dc:	50                   	push   %rax
-    b4dd:	18 89 57 18 8b 50    	sbb    %cl,0x508b1857(%rcx)
-    b4e3:	18 89 7a 1c 89 78    	sbb    %cl,0x78891c7a(%rcx)
-    b4e9:	18 c7                	sbb    %al,%bh
-    b4eb:	47 10 00             	rex.RXB adc %r8b,(%r8)
-    b4ee:	00 00                	add    %al,(%rax)
-    b4f0:	00 c7                	add    %al,%bh
-    b4f2:	47 14 00             	rex.RXB adc $0x0,%al
-    b4f5:	00 00                	add    %al,(%rax)
-    b4f7:	00 8b 47 04 66 85    	add    %cl,-0x7a99fbb9(%rbx)
-    b4fd:	c0 74 2b 66 33       	shlb   $0x33,0x66(%rbx,%rbp,1)
-    b502:	47 06                	rex.RXB (bad) 
-    b504:	b9 33 01 00 00       	mov    $0x133,%ecx
-    b509:	ba 00 00 00 00       	mov    $0x0,%edx
-    b50e:	66 f7 f1             	div    %cx
-    b511:	0f b7 c2             	movzwl %dx,%eax
-    b514:	8b 14 85 e0 95 01 00 	mov    0x195e0(,%rax,4),%edx
-    b51b:	89 57 14             	mov    %edx,0x14(%rdi)
-    b51e:	89 3c 85 e0 95 01 00 	mov    %edi,0x195e0(,%rax,4)
-    b525:	8b 47 14             	mov    0x14(%rdi),%eax
-    b528:	89 78 10             	mov    %edi,0x10(%rax)
-    b52b:	89 f8                	mov    %edi,%eax
-    b52d:	83 c4 1c             	add    $0x1c,%esp
-    b530:	5b                   	pop    %rbx
-    b531:	5e                   	pop    %rsi
-    b532:	5f                   	pop    %rdi
-    b533:	5d                   	pop    %rbp
-    b534:	c3                   	retq   
-
-000000000000b535 <bread>:
-    b535:	53                   	push   %rbx
-    b536:	83 ec 10             	sub    $0x10,%esp
-    b539:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    b53d:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    b541:	e8 2c fd ff ff       	callq  b272 <getblk>
-    b546:	89 c3                	mov    %eax,%ebx
-    b548:	83 c4 10             	add    $0x10,%esp
-    b54b:	85 c0                	test   %eax,%eax
-    b54d:	74 0d                	je     b55c <bread+0x27>
-    b54f:	80 7b 08 00          	cmpb   $0x0,0x8(%rbx)
-    b553:	74 19                	je     b56e <bread+0x39>
-    b555:	89 d8                	mov    %ebx,%eax
-    b557:	83 c4 08             	add    $0x8,%esp
-    b55a:	5b                   	pop    %rbx
-    b55b:	c3                   	retq   
-    b55c:	83 ec 0c             	sub    $0xc,%esp
-    b55f:	68 13 f5 00 00       	pushq  $0xf513
-    b564:	e8 1a af ff ff       	callq  6483 <panic>
-    b569:	83 c4 10             	add    $0x10,%esp
-    b56c:	eb e1                	jmp    b54f <bread+0x1a>
-    b56e:	83 ec 08             	sub    $0x8,%esp
-    b571:	53                   	push   %rbx
-    b572:	6a 00                	pushq  $0x0
-    b574:	e8 0e 06 00 00       	callq  bb87 <ll_rw_block>
-    b579:	83 c4 10             	add    $0x10,%esp
-    b57c:	80 7b 08 00          	cmpb   $0x0,0x8(%rbx)
-    b580:	75 d3                	jne    b555 <bread+0x20>
-    b582:	83 ec 0c             	sub    $0xc,%esp
-    b585:	53                   	push   %rbx
-    b586:	e8 22 fc ff ff       	callq  b1ad <brelse>
-    b58b:	83 c4 10             	add    $0x10,%esp
-    b58e:	bb 00 00 00 00       	mov    $0x0,%ebx
-    b593:	eb c0                	jmp    b555 <bread+0x20>
-
-000000000000b595 <buffer_init>:
-    b595:	8b 0d d0 63 01 00    	mov    0x163d0(%rip),%ecx        # 2196b <end+0x7763>
-    b59b:	ba 00 00 20 00       	mov    $0x200000,%edx
-    b5a0:	eb 02                	jmp    b5a4 <buffer_init+0xf>
-    b5a2:	89 c1                	mov    %eax,%ecx
-    b5a4:	81 ea 00 04 00 00    	sub    $0x400,%edx
-    b5aa:	8d 41 20             	lea    0x20(%rcx),%eax
-    b5ad:	39 d0                	cmp    %edx,%eax
-    b5af:	77 4c                	ja     b5fd <buffer_init+0x68>
-    b5b1:	66 c7 40 e4 00 00    	movw   $0x0,-0x1c(%rax)
-    b5b7:	c6 40 e9 00          	movb   $0x0,-0x17(%rax)
-    b5bb:	c6 40 ea 00          	movb   $0x0,-0x16(%rax)
-    b5bf:	c6 40 eb 00          	movb   $0x0,-0x15(%rax)
-    b5c3:	c6 40 e8 00          	movb   $0x0,-0x18(%rax)
-    b5c7:	c7 40 ec 00 00 00 00 	movl   $0x0,-0x14(%rax)
-    b5ce:	c7 40 f4 00 00 00 00 	movl   $0x0,-0xc(%rax)
-    b5d5:	c7 40 f0 00 00 00 00 	movl   $0x0,-0x10(%rax)
-    b5dc:	89 50 e0             	mov    %edx,-0x20(%rax)
-    b5df:	8d 48 c0             	lea    -0x40(%rax),%ecx
-    b5e2:	89 48 f8             	mov    %ecx,-0x8(%rax)
-    b5e5:	89 40 fc             	mov    %eax,-0x4(%rax)
-    b5e8:	ff 05 c4 85 01 00    	incl   0x185c4(%rip)        # 23bb2 <end+0x99aa>
-    b5ee:	81 fa 00 00 10 00    	cmp    $0x100000,%edx
-    b5f4:	75 ac                	jne    b5a2 <buffer_init+0xd>
-    b5f6:	ba 00 00 0a 00       	mov    $0xa0000,%edx
-    b5fb:	eb a5                	jmp    b5a2 <buffer_init+0xd>
-    b5fd:	a1 d0 63 01 00 a3 cc 	movabs 0x185cca3000163d0,%eax
-    b604:	85 01 
-    b606:	00 8d 51 e0 89 50    	add    %cl,0x5089e051(%rbp)
-    b60c:	18 89 41 fc b8 e0    	sbb    %cl,-0x1f4703bf(%rcx)
-    b612:	95                   	xchg   %eax,%ebp
-    b613:	01 00                	add    %eax,(%rax)
-    b615:	ba ac 9a 01 00       	mov    $0x19aac,%edx
-    b61a:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    b620:	83 c0 04             	add    $0x4,%eax
-    b623:	39 d0                	cmp    %edx,%eax
-    b625:	75 f3                	jne    b61a <buffer_init+0x85>
-    b627:	c3                   	retq   
-
-000000000000b628 <do_mount>:
-    b628:	55                   	push   %rbp
-    b629:	57                   	push   %rdi
-    b62a:	56                   	push   %rsi
-    b62b:	53                   	push   %rbx
-    b62c:	83 ec 0c             	sub    $0xc,%esp
-    b62f:	8b 6c 24 20          	mov    0x20(%rsp),%ebp
-    b633:	66 83 3d 14 9b 01 00 	cmpw   $0x0,0x19b14(%rip)        # 2514f <end+0xaf47>
-    b63a:	00 
-    b63b:	0f 84 95 00 00 00    	je     b6d6 <do_mount+0xae>
-    b641:	bb 28 9b 01 00       	mov    $0x19b28,%ebx
-    b646:	66 83 7b 54 00       	cmpw   $0x0,0x54(%rbx)
-    b64b:	0f 84 8a 00 00 00    	je     b6db <do_mount+0xb3>
-    b651:	83 c3 68             	add    $0x68,%ebx
-    b654:	81 fb 00 9e 01 00    	cmp    $0x19e00,%ebx
-    b65a:	72 ea                	jb     b646 <do_mount+0x1e>
-    b65c:	66 c7 43 54 ff ff    	movw   $0xffff,0x54(%rbx)
-    b662:	bb 00 00 00 00       	mov    $0x0,%ebx
-    b667:	e9 bb 01 00 00       	jmpq   b827 <do_mount+0x1ff>
-    b66c:	66 c7 43 54 00 00    	movw   $0x0,0x54(%rbx)
-    b672:	bb 00 00 00 00       	mov    $0x0,%ebx
-    b677:	e9 ab 01 00 00       	jmpq   b827 <do_mount+0x1ff>
-    b67c:	be 02 00 00 00       	mov    $0x2,%esi
-    b681:	e9 31 01 00 00       	jmpq   b7b7 <do_mount+0x18f>
-    b686:	8d 73 14             	lea    0x14(%rbx),%esi
-    b689:	89 df                	mov    %ebx,%edi
-    b68b:	8d 6b 34             	lea    0x34(%rbx),%ebp
-    b68e:	83 ec 0c             	sub    $0xc,%esp
-    b691:	ff 36                	pushq  (%rsi)
-    b693:	e8 15 fb ff ff       	callq  b1ad <brelse>
-    b698:	83 c6 04             	add    $0x4,%esi
-    b69b:	83 c4 10             	add    $0x10,%esp
-    b69e:	39 f5                	cmp    %esi,%ebp
-    b6a0:	75 ec                	jne    b68e <do_mount+0x66>
-    b6a2:	8d 73 34             	lea    0x34(%rbx),%esi
-    b6a5:	83 c7 54             	add    $0x54,%edi
-    b6a8:	83 ec 0c             	sub    $0xc,%esp
-    b6ab:	ff 36                	pushq  (%rsi)
-    b6ad:	e8 fb fa ff ff       	callq  b1ad <brelse>
-    b6b2:	83 c6 04             	add    $0x4,%esi
-    b6b5:	83 c4 10             	add    $0x10,%esp
-    b6b8:	39 fe                	cmp    %edi,%esi
-    b6ba:	75 ec                	jne    b6a8 <do_mount+0x80>
-    b6bc:	66 c7 43 54 00 00    	movw   $0x0,0x54(%rbx)
-    b6c2:	bb 00 00 00 00       	mov    $0x0,%ebx
-    b6c7:	e9 5b 01 00 00       	jmpq   b827 <do_mount+0x1ff>
-    b6cc:	bb 00 00 00 00       	mov    $0x0,%ebx
-    b6d1:	e9 51 01 00 00       	jmpq   b827 <do_mount+0x1ff>
-    b6d6:	bb c0 9a 01 00       	mov    $0x19ac0,%ebx
-    b6db:	66 c7 43 54 ff ff    	movw   $0xffff,0x54(%rbx)
-    b6e1:	83 ec 08             	sub    $0x8,%esp
-    b6e4:	6a 01                	pushq  $0x1
-    b6e6:	55                   	push   %rbp
-    b6e7:	e8 49 fe ff ff       	callq  b535 <bread>
-    b6ec:	83 c4 10             	add    $0x10,%esp
-    b6ef:	85 c0                	test   %eax,%eax
-    b6f1:	74 d9                	je     b6cc <do_mount+0xa4>
-    b6f3:	8b 30                	mov    (%rax),%esi
-    b6f5:	b9 1a 00 00 00       	mov    $0x1a,%ecx
-    b6fa:	89 df                	mov    %ebx,%edi
-    b6fc:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    b6fe:	83 ec 0c             	sub    $0xc,%esp
-    b701:	50                   	push   %rax
-    b702:	e8 a6 fa ff ff       	callq  b1ad <brelse>
-    b707:	83 c4 10             	add    $0x10,%esp
-    b70a:	66 81 7b 10 7f 13    	cmpw   $0x137f,0x10(%rbx)
-    b710:	0f 85 56 ff ff ff    	jne    b66c <do_mount+0x44>
-    b716:	c7 43 14 00 00 00 00 	movl   $0x0,0x14(%rbx)
-    b71d:	c7 43 18 00 00 00 00 	movl   $0x0,0x18(%rbx)
-    b724:	c7 43 1c 00 00 00 00 	movl   $0x0,0x1c(%rbx)
-    b72b:	c7 43 20 00 00 00 00 	movl   $0x0,0x20(%rbx)
-    b732:	c7 43 24 00 00 00 00 	movl   $0x0,0x24(%rbx)
-    b739:	c7 43 28 00 00 00 00 	movl   $0x0,0x28(%rbx)
-    b740:	c7 43 2c 00 00 00 00 	movl   $0x0,0x2c(%rbx)
-    b747:	c7 43 30 00 00 00 00 	movl   $0x0,0x30(%rbx)
-    b74e:	c7 43 34 00 00 00 00 	movl   $0x0,0x34(%rbx)
-    b755:	c7 43 38 00 00 00 00 	movl   $0x0,0x38(%rbx)
-    b75c:	c7 43 3c 00 00 00 00 	movl   $0x0,0x3c(%rbx)
-    b763:	c7 43 40 00 00 00 00 	movl   $0x0,0x40(%rbx)
-    b76a:	c7 43 44 00 00 00 00 	movl   $0x0,0x44(%rbx)
-    b771:	c7 43 48 00 00 00 00 	movl   $0x0,0x48(%rbx)
-    b778:	c7 43 4c 00 00 00 00 	movl   $0x0,0x4c(%rbx)
-    b77f:	c7 43 50 00 00 00 00 	movl   $0x0,0x50(%rbx)
-    b786:	66 83 7b 04 00       	cmpw   $0x0,0x4(%rbx)
-    b78b:	0f 84 eb fe ff ff    	je     b67c <do_mount+0x54>
-    b791:	be 02 00 00 00       	mov    $0x2,%esi
-    b796:	83 ec 08             	sub    $0x8,%esp
-    b799:	56                   	push   %rsi
-    b79a:	55                   	push   %rbp
-    b79b:	e8 95 fd ff ff       	callq  b535 <bread>
-    b7a0:	89 44 b3 0c          	mov    %eax,0xc(%rbx,%rsi,4)
-    b7a4:	83 c4 10             	add    $0x10,%esp
-    b7a7:	85 c0                	test   %eax,%eax
-    b7a9:	74 0c                	je     b7b7 <do_mount+0x18f>
-    b7ab:	46 0f b7 53 04       	rex.RX movzwl 0x4(%rbx),%r10d
-    b7b0:	8d 46 fe             	lea    -0x2(%rsi),%eax
-    b7b3:	39 c2                	cmp    %eax,%edx
-    b7b5:	7f df                	jg     b796 <do_mount+0x16e>
-    b7b7:	66 83 7b 06 00       	cmpw   $0x0,0x6(%rbx)
-    b7bc:	74 24                	je     b7e2 <do_mount+0x1ba>
-    b7be:	bf 00 00 00 00       	mov    $0x0,%edi
-    b7c3:	83 ec 08             	sub    $0x8,%esp
-    b7c6:	56                   	push   %rsi
-    b7c7:	55                   	push   %rbp
-    b7c8:	e8 68 fd ff ff       	callq  b535 <bread>
-    b7cd:	89 44 bb 34          	mov    %eax,0x34(%rbx,%rdi,4)
-    b7d1:	83 c4 10             	add    $0x10,%esp
-    b7d4:	85 c0                	test   %eax,%eax
-    b7d6:	74 0a                	je     b7e2 <do_mount+0x1ba>
-    b7d8:	46                   	rex.RX
-    b7d9:	47 0f b7 43 06       	rex.RXB movzwl 0x6(%r11),%r8d
-    b7de:	39 f8                	cmp    %edi,%eax
-    b7e0:	7f e1                	jg     b7c3 <do_mount+0x19b>
-    b7e2:	0f b7 53 04          	movzwl 0x4(%rbx),%edx
-    b7e6:	0f b7 43 06          	movzwl 0x6(%rbx),%eax
-    b7ea:	8d 44 02 02          	lea    0x2(%rdx,%rax,1),%eax
-    b7ee:	39 f0                	cmp    %esi,%eax
-    b7f0:	0f 85 90 fe ff ff    	jne    b686 <do_mount+0x5e>
-    b7f6:	8b 43 14             	mov    0x14(%rbx),%eax
-    b7f9:	8b 00                	mov    (%rax),%eax
-    b7fb:	80 08 01             	orb    $0x1,(%rax)
-    b7fe:	8b 43 34             	mov    0x34(%rbx),%eax
-    b801:	8b 00                	mov    (%rax),%eax
-    b803:	80 08 01             	orb    $0x1,(%rax)
-    b806:	66 89 6b 54          	mov    %bp,0x54(%rbx)
-    b80a:	c7 43 58 00 00 00 00 	movl   $0x0,0x58(%rbx)
-    b811:	c7 43 5c 00 00 00 00 	movl   $0x0,0x5c(%rbx)
-    b818:	c7 43 60 00 00 00 00 	movl   $0x0,0x60(%rbx)
-    b81f:	c6 43 64 00          	movb   $0x0,0x64(%rbx)
-    b823:	c6 43 65 00          	movb   $0x0,0x65(%rbx)
-    b827:	89 d8                	mov    %ebx,%eax
-    b829:	83 c4 0c             	add    $0xc,%esp
-    b82c:	5b                   	pop    %rbx
-    b82d:	5e                   	pop    %rsi
-    b82e:	5f                   	pop    %rdi
-    b82f:	5d                   	pop    %rbp
-    b830:	c3                   	retq   
-
-000000000000b831 <mount_root>:
-    b831:	55                   	push   %rbp
-    b832:	57                   	push   %rdi
-    b833:	56                   	push   %rsi
-    b834:	53                   	push   %rbx
-    b835:	83 ec 0c             	sub    $0xc,%esp
-    b838:	b8 04 9e 01 00       	mov    $0x19e04,%eax
-    b83d:	ba 04 a2 01 00       	mov    $0x1a204,%edx
-    b842:	66 c7 00 00 00       	movw   $0x0,(%rax)
-    b847:	83 c0 10             	add    $0x10,%eax
-    b84a:	39 c2                	cmp    %eax,%edx
-    b84c:	75 f4                	jne    b842 <mount_root+0x11>
-    b84e:	b8 c0 9a 01 00       	mov    $0x19ac0,%eax
-    b853:	66 c7 40 54 00 00    	movw   $0x0,0x54(%rax)
-    b859:	83 c0 68             	add    $0x68,%eax
-    b85c:	3d 00 9e 01 00       	cmp    $0x19e00,%eax
-    b861:	72 f0                	jb     b853 <mount_root+0x22>
-    b863:	83 ec 0c             	sub    $0xc,%esp
-    b866:	68 06 03 00 00       	pushq  $0x306
-    b86b:	e8 b8 fd ff ff       	callq  b628 <do_mount>
-    b870:	89 c3                	mov    %eax,%ebx
-    b872:	83 c4 10             	add    $0x10,%esp
-    b875:	85 c0                	test   %eax,%eax
-    b877:	74 44                	je     b8bd <mount_root+0x8c>
-    b879:	83 ec 08             	sub    $0x8,%esp
-    b87c:	6a 01                	pushq  $0x1
-    b87e:	68 06 03 00 00       	pushq  $0x306
-    b883:	e8 f0 f6 ff ff       	callq  af78 <iget>
-    b888:	89 c6                	mov    %eax,%esi
-    b88a:	83 c4 10             	add    $0x10,%esp
-    b88d:	85 c0                	test   %eax,%eax
-    b88f:	74 3e                	je     b8cf <mount_root+0x9e>
-    b891:	66 83 46 30 03       	addw   $0x3,0x30(%rsi)
-    b896:	89 73 5c             	mov    %esi,0x5c(%rbx)
-    b899:	89 73 58             	mov    %esi,0x58(%rbx)
-    b89c:	a1 00 2d 01 00 89 b0 	movabs 0xecb08900012d00,%eax
-    b8a3:	ec 00 
-    b8a5:	00 00                	add    %al,(%rax)
-    b8a7:	89 b0 f0 00 00 00    	mov    %esi,0xf0(%rax)
-    b8ad:	0f b7 53 02          	movzwl 0x2(%rbx),%edx
-    b8b1:	b9 00 00 00 00       	mov    $0x0,%ecx
-    b8b6:	bf 00 00 00 00       	mov    $0x0,%edi
-    b8bb:	eb 46                	jmp    b903 <mount_root+0xd2>
-    b8bd:	83 ec 0c             	sub    $0xc,%esp
-    b8c0:	68 30 f5 00 00       	pushq  $0xf530
-    b8c5:	e8 b9 ab ff ff       	callq  6483 <panic>
-    b8ca:	83 c4 10             	add    $0x10,%esp
-    b8cd:	eb aa                	jmp    b879 <mount_root+0x48>
-    b8cf:	83 ec 0c             	sub    $0xc,%esp
-    b8d2:	68 45 f5 00 00       	pushq  $0xf545
-    b8d7:	e8 a7 ab ff ff       	callq  6483 <panic>
-    b8dc:	83 c4 10             	add    $0x10,%esp
-    b8df:	eb b0                	jmp    b891 <mount_root+0x60>
-    b8e1:	89 d6                	mov    %edx,%esi
-    b8e3:	81 e6 ff 1f 00 00    	and    $0x1fff,%esi
-    b8e9:	89 d0                	mov    %edx,%eax
-    b8eb:	c1 f8 0d             	sar    $0xd,%eax
-    b8ee:	8b 44 83 34          	mov    0x34(%rbx,%rax,4),%eax
-    b8f2:	8b 28                	mov    (%rax),%ebp
-    b8f4:	89 f8                	mov    %edi,%eax
-    b8f6:	0f a3 75 00          	bt     %esi,0x0(%rbp)
-    b8fa:	0f 92 c0             	setb   %al
-    b8fd:	83 f8 01             	cmp    $0x1,%eax
-    b900:	83 d1 00             	adc    $0x0,%ecx
-    b903:	4a 79 db             	rex.WX jns b8e1 <mount_root+0xb0>
-    b906:	83 ec 04             	sub    $0x4,%esp
-    b909:	0f b7 43 02          	movzwl 0x2(%rbx),%eax
-    b90d:	50                   	push   %rax
-    b90e:	51                   	push   %rcx
-    b90f:	68 60 f5 00 00       	pushq  $0xf560
-    b914:	e8 95 ab ff ff       	callq  64ae <printk>
-    b919:	0f b7 13             	movzwl (%rbx),%edx
-    b91c:	42 83 c4 10          	rex.X add $0x10,%esp
-    b920:	b9 00 00 00 00       	mov    $0x0,%ecx
-    b925:	bf 00 00 00 00       	mov    $0x0,%edi
-    b92a:	eb 22                	jmp    b94e <mount_root+0x11d>
-    b92c:	89 d6                	mov    %edx,%esi
-    b92e:	81 e6 ff 1f 00 00    	and    $0x1fff,%esi
-    b934:	89 d0                	mov    %edx,%eax
-    b936:	c1 f8 0d             	sar    $0xd,%eax
-    b939:	8b 44 83 14          	mov    0x14(%rbx,%rax,4),%eax
-    b93d:	8b 28                	mov    (%rax),%ebp
-    b93f:	89 f8                	mov    %edi,%eax
-    b941:	0f a3 75 00          	bt     %esi,0x0(%rbp)
-    b945:	0f 92 c0             	setb   %al
-    b948:	83 f8 01             	cmp    $0x1,%eax
-    b94b:	83 d1 00             	adc    $0x0,%ecx
-    b94e:	4a 83 fa ff          	rex.WX cmp $0xffffffffffffffff,%rdx
-    b952:	75 d8                	jne    b92c <mount_root+0xfb>
-    b954:	83 ec 04             	sub    $0x4,%esp
-    b957:	0f b7 03             	movzwl (%rbx),%eax
-    b95a:	50                   	push   %rax
-    b95b:	51                   	push   %rcx
-    b95c:	68 74 f5 00 00       	pushq  $0xf574
-    b961:	e8 48 ab ff ff       	callq  64ae <printk>
-    b966:	83 c4 1c             	add    $0x1c,%esp
-    b969:	5b                   	pop    %rbx
-    b96a:	5e                   	pop    %rsi
-    b96b:	5f                   	pop    %rdi
-    b96c:	5d                   	pop    %rbp
-    b96d:	c3                   	retq   
-
-000000000000b96e <block_write>:
-    b96e:	55                   	push   %rbp
-    b96f:	57                   	push   %rdi
-    b970:	56                   	push   %rsi
-    b971:	53                   	push   %rbx
-    b972:	83 ec 1c             	sub    $0x1c,%esp
-    b975:	8b 74 24 3c          	mov    0x3c(%rsp),%esi
-    b979:	8b 44 24 34          	mov    0x34(%rsp),%eax
-    b97d:	8b 08                	mov    (%rax),%ecx
-    b97f:	89 c8                	mov    %ecx,%eax
-    b981:	85 c9                	test   %ecx,%ecx
-    b983:	78 26                	js     b9ab <block_write+0x3d>
-    b985:	c1 f8 0a             	sar    $0xa,%eax
-    b988:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    b98c:	81 e1 ff 03 00 80    	and    $0x800003ff,%ecx
-    b992:	78 1f                	js     b9b3 <block_write+0x45>
-    b994:	89 cf                	mov    %ecx,%edi
-    b996:	85 f6                	test   %esi,%esi
-    b998:	0f 8e d3 00 00 00    	jle    ba71 <block_write+0x103>
-    b99e:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    b9a5:	00 
-    b9a6:	e9 8c 00 00 00       	jmpq   ba37 <block_write+0xc9>
-    b9ab:	8d 81 ff 03 00 00    	lea    0x3ff(%rcx),%eax
-    b9b1:	eb d2                	jmp    b985 <block_write+0x17>
-    b9b3:	49 81 c9 00 fc ff ff 	or     $0xfffffffffffffc00,%r9
-    b9ba:	41 eb d7             	rex.B jmp b994 <block_write+0x26>
-    b9bd:	83 7c 24 0c 00       	cmpl   $0x0,0xc(%rsp)
-    b9c2:	74 0c                	je     b9d0 <block_write+0x62>
-    b9c4:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    b9c8:	83 c4 1c             	add    $0x1c,%esp
-    b9cb:	5b                   	pop    %rbx
-    b9cc:	5e                   	pop    %rsi
-    b9cd:	5f                   	pop    %rdi
-    b9ce:	5d                   	pop    %rbp
-    b9cf:	c3                   	retq   
-    b9d0:	c7 44 24 0c fb ff ff 	movl   $0xfffffffb,0xc(%rsp)
-    b9d7:	ff 
-    b9d8:	eb ea                	jmp    b9c4 <block_write+0x56>
-    b9da:	03 38                	add    (%rax),%edi
-    b9dc:	89 f9                	mov    %edi,%ecx
-    b9de:	ff 44 24 08          	incl   0x8(%rsp)
-    b9e2:	8b 5c 24 34          	mov    0x34(%rsp),%ebx
-    b9e6:	01 13                	add    %edx,(%rbx)
-    b9e8:	01 54 24 0c          	add    %edx,0xc(%rsp)
-    b9ec:	89 f5                	mov    %esi,%ebp
-    b9ee:	29 d5                	sub    %edx,%ebp
-    b9f0:	8d 7a ff             	lea    -0x1(%rdx),%edi
-    b9f3:	85 f6                	test   %esi,%esi
-    b9f5:	7e 25                	jle    ba1c <block_write+0xae>
-    b9f7:	8b 74 24 38          	mov    0x38(%rsp),%esi
-    b9fb:	64 8a 1e             	mov    %fs:(%rsi),%bl
-    b9fe:	41 88 59 ff          	mov    %bl,-0x1(%r9)
-    ba02:	4a 8d 76 01          	rex.WX lea 0x1(%rsi),%rsi
-    ba06:	85 d2                	test   %edx,%edx
-    ba08:	7f f1                	jg     b9fb <block_write+0x8d>
-    ba0a:	89 fa                	mov    %edi,%edx
-    ba0c:	85 ff                	test   %edi,%edi
-    ba0e:	78 5a                	js     ba6a <block_write+0xfc>
-    ba10:	8b 7c 24 38          	mov    0x38(%rsp),%edi
-    ba14:	8d 4c 17 01          	lea    0x1(%rdi,%rdx,1),%ecx
-    ba18:	89 4c 24 38          	mov    %ecx,0x38(%rsp)
-    ba1c:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    ba20:	83 ec 0c             	sub    $0xc,%esp
-    ba23:	50                   	push   %rax
-    ba24:	e8 84 f7 ff ff       	callq  b1ad <brelse>
-    ba29:	bf 00 00 00 00       	mov    $0x0,%edi
-    ba2e:	83 c4 10             	add    $0x10,%esp
-    ba31:	85 ed                	test   %ebp,%ebp
-    ba33:	7e 8f                	jle    b9c4 <block_write+0x56>
-    ba35:	89 ee                	mov    %ebp,%esi
-    ba37:	83 ec 08             	sub    $0x8,%esp
-    ba3a:	ff 74 24 10          	pushq  0x10(%rsp)
-    ba3e:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    ba42:	e8 ee fa ff ff       	callq  b535 <bread>
-    ba47:	83 c4 10             	add    $0x10,%esp
-    ba4a:	85 c0                	test   %eax,%eax
-    ba4c:	0f 84 6b ff ff ff    	je     b9bd <block_write+0x4f>
-    ba52:	89 f2                	mov    %esi,%edx
-    ba54:	81 fe 00 04 00 00    	cmp    $0x400,%esi
-    ba5a:	0f 8e 7a ff ff ff    	jle    b9da <block_write+0x6c>
-    ba60:	ba 00 04 00 00       	mov    $0x400,%edx
-    ba65:	e9 70 ff ff ff       	jmpq   b9da <block_write+0x6c>
-    ba6a:	ba 00 00 00 00       	mov    $0x0,%edx
-    ba6f:	eb 9f                	jmp    ba10 <block_write+0xa2>
-    ba71:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    ba78:	00 
-    ba79:	e9 46 ff ff ff       	jmpq   b9c4 <block_write+0x56>
-
-000000000000ba7e <block_read>:
-    ba7e:	55                   	push   %rbp
-    ba7f:	57                   	push   %rdi
-    ba80:	56                   	push   %rsi
-    ba81:	53                   	push   %rbx
-    ba82:	83 ec 1c             	sub    $0x1c,%esp
-    ba85:	8b 5c 24 34          	mov    0x34(%rsp),%ebx
-    ba89:	8b 74 24 3c          	mov    0x3c(%rsp),%esi
-    ba8d:	8b 13                	mov    (%rbx),%edx
-    ba8f:	89 d0                	mov    %edx,%eax
-    ba91:	c1 e8 0a             	shr    $0xa,%eax
-    ba94:	89 44 24 04          	mov    %eax,0x4(%rsp)
-    ba98:	81 e2 ff 03 00 00    	and    $0x3ff,%edx
-    ba9e:	85 f6                	test   %esi,%esi
-    baa0:	0f 8e d4 00 00 00    	jle    bb7a <block_read+0xfc>
-    baa6:	89 d7                	mov    %edx,%edi
-    baa8:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    baaf:	00 
-    bab0:	89 dd                	mov    %ebx,%ebp
-    bab2:	e9 89 00 00 00       	jmpq   bb40 <block_read+0xc2>
-    bab7:	83 7c 24 0c 00       	cmpl   $0x0,0xc(%rsp)
-    babc:	74 0c                	je     baca <block_read+0x4c>
-    babe:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    bac2:	83 c4 1c             	add    $0x1c,%esp
-    bac5:	5b                   	pop    %rbx
-    bac6:	5e                   	pop    %rsi
-    bac7:	5f                   	pop    %rdi
-    bac8:	5d                   	pop    %rbp
-    bac9:	c3                   	retq   
-    baca:	c7 44 24 0c fb ff ff 	movl   $0xfffffffb,0xc(%rsp)
-    bad1:	ff 
-    bad2:	eb ea                	jmp    babe <block_read+0x40>
-    bad4:	03 38                	add    (%rax),%edi
-    bad6:	89 fa                	mov    %edi,%edx
-    bad8:	ff 44 24 04          	incl   0x4(%rsp)
-    badc:	89 d9                	mov    %ebx,%ecx
-    bade:	01 5d 00             	add    %ebx,0x0(%rbp)
-    bae1:	01 5c 24 0c          	add    %ebx,0xc(%rsp)
-    bae5:	89 f7                	mov    %esi,%edi
-    bae7:	29 df                	sub    %ebx,%edi
-    bae9:	89 3c 24             	mov    %edi,(%rsp)
-    baec:	8d 7b ff             	lea    -0x1(%rbx),%edi
-    baef:	85 f6                	test   %esi,%esi
-    baf1:	7e 2f                	jle    bb22 <block_read+0xa4>
-    baf3:	8b 5c 24 38          	mov    0x38(%rsp),%ebx
-    baf7:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    bafb:	8d 73 01             	lea    0x1(%rbx),%esi
-    bafe:	42 8a 42 ff          	rex.X mov -0x1(%rdx),%al
-    bb02:	64 88 03             	mov    %al,%fs:(%rbx)
-    bb05:	49 89 f3             	mov    %rsi,%r11
-    bb08:	85 c9                	test   %ecx,%ecx
-    bb0a:	7f ef                	jg     bafb <block_read+0x7d>
-    bb0c:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    bb10:	89 fa                	mov    %edi,%edx
-    bb12:	85 ff                	test   %edi,%edi
-    bb14:	78 5d                	js     bb73 <block_read+0xf5>
-    bb16:	8b 4c 24 38          	mov    0x38(%rsp),%ecx
-    bb1a:	8d 4c 11 01          	lea    0x1(%rcx,%rdx,1),%ecx
-    bb1e:	89 4c 24 38          	mov    %ecx,0x38(%rsp)
-    bb22:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    bb26:	83 ec 0c             	sub    $0xc,%esp
-    bb29:	50                   	push   %rax
-    bb2a:	e8 7e f6 ff ff       	callq  b1ad <brelse>
-    bb2f:	bf 00 00 00 00       	mov    $0x0,%edi
-    bb34:	83 c4 10             	add    $0x10,%esp
-    bb37:	83 3c 24 00          	cmpl   $0x0,(%rsp)
-    bb3b:	7e 81                	jle    babe <block_read+0x40>
-    bb3d:	8b 34 24             	mov    (%rsp),%esi
-    bb40:	83 ec 08             	sub    $0x8,%esp
-    bb43:	ff 74 24 0c          	pushq  0xc(%rsp)
-    bb47:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    bb4b:	e8 e5 f9 ff ff       	callq  b535 <bread>
-    bb50:	83 c4 10             	add    $0x10,%esp
-    bb53:	85 c0                	test   %eax,%eax
-    bb55:	0f 84 5c ff ff ff    	je     bab7 <block_read+0x39>
-    bb5b:	89 f3                	mov    %esi,%ebx
-    bb5d:	81 fe 00 04 00 00    	cmp    $0x400,%esi
-    bb63:	0f 8e 6b ff ff ff    	jle    bad4 <block_read+0x56>
-    bb69:	bb 00 04 00 00       	mov    $0x400,%ebx
-    bb6e:	e9 61 ff ff ff       	jmpq   bad4 <block_read+0x56>
-    bb73:	ba 00 00 00 00       	mov    $0x0,%edx
-    bb78:	eb 9c                	jmp    bb16 <block_read+0x98>
-    bb7a:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    bb81:	00 
-    bb82:	e9 37 ff ff ff       	jmpq   babe <block_read+0x40>
-
-000000000000bb87 <ll_rw_block>:
-    bb87:	53                   	push   %rbx
-    bb88:	83 ec 08             	sub    $0x8,%esp
-    bb8b:	8b 5c 24 14          	mov    0x14(%rsp),%ebx
-    bb8f:	0f b6 43 05          	movzbl 0x5(%rbx),%eax
-    bb93:	83 f8 06             	cmp    $0x6,%eax
-    bb96:	77 0b                	ja     bba3 <ll_rw_block+0x1c>
-    bb98:	8b 04 85 00 f0 00 00 	mov    0xf000(,%rax,4),%eax
-    bb9f:	85 c0                	test   %eax,%eax
-    bba1:	75 15                	jne    bbb8 <ll_rw_block+0x31>
-    bba3:	83 ec 0c             	sub    $0xc,%esp
-    bba6:	68 24 fa 00 00       	pushq  $0xfa24
-    bbab:	e8 d3 a8 ff ff       	callq  6483 <panic>
-    bbb0:	83 c4 10             	add    $0x10,%esp
-    bbb3:	b8 00 00 00 00       	mov    $0x0,%eax
-    bbb8:	83 ec 08             	sub    $0x8,%esp
-    bbbb:	53                   	push   %rbx
-    bbbc:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bbc0:	ff d0                	callq  *%rax
-    bbc2:	83 c4 18             	add    $0x18,%esp
-    bbc5:	5b                   	pop    %rbx
-    bbc6:	c3                   	retq   
-    bbc7:	83 ec 0c             	sub    $0xc,%esp
-    bbca:	8b 44 24 14          	mov    0x14(%rsp),%eax
-    bbce:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    bbd2:	8b 4c 24 1c          	mov    0x1c(%rsp),%ecx
-    bbd6:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    bbdb:	74 12                	je     bbef <ll_rw_block+0x68>
-    bbdd:	83 ec 04             	sub    $0x4,%esp
-    bbe0:	51                   	push   %rcx
-    bbe1:	52                   	push   %rdx
-    bbe2:	50                   	push   %rax
-    bbe3:	e8 40 b4 ff ff       	callq  7028 <tty_write>
-    bbe8:	83 c4 10             	add    $0x10,%esp
-    bbeb:	83 c4 0c             	add    $0xc,%esp
-    bbee:	c3                   	retq   
-    bbef:	83 ec 04             	sub    $0x4,%esp
-    bbf2:	51                   	push   %rcx
-    bbf3:	52                   	push   %rdx
-    bbf4:	50                   	push   %rax
-    bbf5:	e8 2d b1 ff ff       	callq  6d27 <tty_read>
-    bbfa:	83 c4 10             	add    $0x10,%esp
-    bbfd:	eb ec                	jmp    bbeb <ll_rw_block+0x64>
-    bbff:	a1 00 2d 01 00 8b 80 	movabs 0xe4808b00012d00,%eax
-    bc06:	e4 00 
-    bc08:	00 00                	add    %al,(%rax)
-    bc0a:	85 c0                	test   %eax,%eax
-    bc0c:	78 19                	js     bc27 <ll_rw_block+0xa0>
-    bc0e:	83 ec 0c             	sub    $0xc,%esp
-    bc11:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc15:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc19:	50                   	push   %rax
-    bc1a:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc1e:	e8 a4 ff ff ff       	callq  bbc7 <ll_rw_block+0x40>
-    bc23:	83 c4 1c             	add    $0x1c,%esp
-    bc26:	c3                   	retq   
-    bc27:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    bc2c:	c3                   	retq   
-
-000000000000bc2d <rw_char>:
-    bc2d:	56                   	push   %rsi
-    bc2e:	53                   	push   %rbx
-    bc2f:	83 ec 04             	sub    $0x4,%esp
-    bc32:	8b 5c 24 14          	mov    0x14(%rsp),%ebx
-    bc36:	89 de                	mov    %ebx,%esi
-    bc38:	c1 ee 08             	shr    $0x8,%esi
-    bc3b:	83 fe 07             	cmp    $0x7,%esi
-    bc3e:	77 23                	ja     bc63 <rw_char+0x36>
-    bc40:	8b 34 b5 20 f0 00 00 	mov    0xf020(,%rsi,4),%esi
-    bc47:	85 f6                	test   %esi,%esi
-    bc49:	74 2a                	je     bc75 <rw_char+0x48>
-    bc4b:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc4f:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc53:	0f b6 db             	movzbl %bl,%ebx
-    bc56:	53                   	push   %rbx
-    bc57:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    bc5b:	ff d6                	callq  *%rsi
-    bc5d:	83 c4 14             	add    $0x14,%esp
-    bc60:	5b                   	pop    %rbx
-    bc61:	5e                   	pop    %rsi
-    bc62:	c3                   	retq   
-    bc63:	83 ec 0c             	sub    $0xc,%esp
-    bc66:	68 88 f5 00 00       	pushq  $0xf588
-    bc6b:	e8 13 a8 ff ff       	callq  6483 <panic>
-    bc70:	83 c4 10             	add    $0x10,%esp
-    bc73:	eb cb                	jmp    bc40 <rw_char+0x13>
-    bc75:	83 ec 08             	sub    $0x8,%esp
-    bc78:	53                   	push   %rbx
-    bc79:	68 9b f5 00 00       	pushq  $0xf59b
-    bc7e:	e8 2b a8 ff ff       	callq  64ae <printk>
-    bc83:	c7 04 24 4c fa 00 00 	movl   $0xfa4c,(%rsp)
-    bc8a:	e8 f4 a7 ff ff       	callq  6483 <panic>
-    bc8f:	83 c4 10             	add    $0x10,%esp
-    bc92:	eb b7                	jmp    bc4b <rw_char+0x1e>
-
-000000000000bc94 <file_read>:
-    bc94:	55                   	push   %rbp
-    bc95:	89 e5                	mov    %esp,%ebp
-    bc97:	57                   	push   %rdi
-    bc98:	56                   	push   %rsi
-    bc99:	53                   	push   %rbx
-    bc9a:	83 ec 1c             	sub    $0x1c,%esp
-    bc9d:	8b 7d 0c             	mov    0xc(%rbp),%edi
-    bca0:	8b 5d 10             	mov    0x10(%rbp),%ebx
-    bca3:	83 7d 14 00          	cmpl   $0x0,0x14(%rbp)
-    bca7:	0f 8e 6d 01 00 00    	jle    be1a <file_read+0x186>
-    bcad:	8b 45 14             	mov    0x14(%rbp),%eax
-    bcb0:	89 45 e4             	mov    %eax,-0x1c(%rbp)
-    bcb3:	e9 8c 00 00 00       	jmpq   bd44 <file_read+0xb0>
-    bcb8:	05 ff 03 00 00       	add    $0x3ff,%eax
-    bcbd:	e9 90 00 00 00       	jmpq   bd52 <file_read+0xbe>
-    bcc2:	83 ec 08             	sub    $0x8,%esp
-    bcc5:	50                   	push   %rax
-    bcc6:	8b 45 08             	mov    0x8(%rbp),%eax
-    bcc9:	0f b7 40 2c          	movzwl 0x2c(%rax),%eax
-    bccd:	50                   	push   %rax
-    bcce:	e8 62 f8 ff ff       	callq  b535 <bread>
-    bcd3:	83 c4 10             	add    $0x10,%esp
-    bcd6:	85 c0                	test   %eax,%eax
-    bcd8:	0f 84 08 01 00 00    	je     bde6 <file_read+0x152>
-    bcde:	8b 4f 0c             	mov    0xc(%rdi),%ecx
-    bce1:	89 ce                	mov    %ecx,%esi
-    bce3:	81 e6 ff 03 00 80    	and    $0x800003ff,%esi
-    bce9:	0f 88 3e 01 00 00    	js     be2d <file_read+0x199>
-    bcef:	89 75 e0             	mov    %esi,-0x20(%rbp)
-    bcf2:	ba 00 04 00 00       	mov    $0x400,%edx
-    bcf7:	29 f2                	sub    %esi,%edx
-    bcf9:	89 d6                	mov    %edx,%esi
-    bcfb:	3b 55 e4             	cmp    -0x1c(%rbp),%edx
-    bcfe:	7e 03                	jle    bd03 <file_read+0x6f>
-    bd00:	8b 75 e4             	mov    -0x1c(%rbp),%esi
-    bd03:	01 f1                	add    %esi,%ecx
-    bd05:	89 4f 0c             	mov    %ecx,0xc(%rdi)
-    bd08:	29 75 e4             	sub    %esi,-0x1c(%rbp)
-    bd0b:	8b 55 e0             	mov    -0x20(%rbp),%edx
-    bd0e:	03 10                	add    (%rax),%edx
-    bd10:	85 f6                	test   %esi,%esi
-    bd12:	0f 8e 22 01 00 00    	jle    be3a <file_read+0x1a6>
-    bd18:	01 de                	add    %ebx,%esi
-    bd1a:	89 45 e0             	mov    %eax,-0x20(%rbp)
-    bd1d:	8d 43 01             	lea    0x1(%rbx),%eax
-    bd20:	42 8a 4a ff          	rex.X mov -0x1(%rdx),%cl
-    bd24:	64 88 0b             	mov    %cl,%fs:(%rbx)
-    bd27:	89 c3                	mov    %eax,%ebx
-    bd29:	39 f0                	cmp    %esi,%eax
-    bd2b:	75 f0                	jne    bd1d <file_read+0x89>
-    bd2d:	8b 45 e0             	mov    -0x20(%rbp),%eax
-    bd30:	83 ec 0c             	sub    $0xc,%esp
-    bd33:	50                   	push   %rax
-    bd34:	e8 74 f4 ff ff       	callq  b1ad <brelse>
-    bd39:	83 c4 10             	add    $0x10,%esp
-    bd3c:	89 f3                	mov    %esi,%ebx
-    bd3e:	83 7d e4 00          	cmpl   $0x0,-0x1c(%rbp)
-    bd42:	74 6d                	je     bdb1 <file_read+0x11d>
-    bd44:	83 ec 08             	sub    $0x8,%esp
-    bd47:	8b 47 0c             	mov    0xc(%rdi),%eax
-    bd4a:	85 c0                	test   %eax,%eax
-    bd4c:	0f 88 66 ff ff ff    	js     bcb8 <file_read+0x24>
-    bd52:	c1 f8 0a             	sar    $0xa,%eax
-    bd55:	50                   	push   %rax
-    bd56:	ff 75 08             	pushq  0x8(%rbp)
-    bd59:	e8 96 ef ff ff       	callq  acf4 <bmap>
-    bd5e:	83 c4 10             	add    $0x10,%esp
-    bd61:	85 c0                	test   %eax,%eax
-    bd63:	0f 85 59 ff ff ff    	jne    bcc2 <file_read+0x2e>
-    bd69:	8b 57 0c             	mov    0xc(%rdi),%edx
-    bd6c:	89 d0                	mov    %edx,%eax
-    bd6e:	25 ff 03 00 80       	and    $0x800003ff,%eax
-    bd73:	0f 88 a8 00 00 00    	js     be21 <file_read+0x18d>
-    bd79:	b9 00 04 00 00       	mov    $0x400,%ecx
-    bd7e:	29 c1                	sub    %eax,%ecx
-    bd80:	89 c8                	mov    %ecx,%eax
-    bd82:	8b 75 e4             	mov    -0x1c(%rbp),%esi
-    bd85:	39 f1                	cmp    %esi,%ecx
-    bd87:	7e 02                	jle    bd8b <file_read+0xf7>
-    bd89:	89 f0                	mov    %esi,%eax
-    bd8b:	01 c2                	add    %eax,%edx
-    bd8d:	89 57 0c             	mov    %edx,0xc(%rdi)
-    bd90:	29 45 e4             	sub    %eax,-0x1c(%rbp)
-    bd93:	85 c0                	test   %eax,%eax
-    bd95:	7e a7                	jle    bd3e <file_read+0xaa>
-    bd97:	01 d8                	add    %ebx,%eax
-    bd99:	8b 75 e4             	mov    -0x1c(%rbp),%esi
-    bd9c:	8d 53 01             	lea    0x1(%rbx),%edx
-    bd9f:	b1 00                	mov    $0x0,%cl
-    bda1:	64 88 0b             	mov    %cl,%fs:(%rbx)
-    bda4:	89 d3                	mov    %edx,%ebx
-    bda6:	39 c2                	cmp    %eax,%edx
-    bda8:	75 f2                	jne    bd9c <file_read+0x108>
-    bdaa:	89 75 e4             	mov    %esi,-0x1c(%rbp)
-    bdad:	89 c3                	mov    %eax,%ebx
-    bdaf:	eb 8d                	jmp    bd3e <file_read+0xaa>
-    bdb1:	8b 45 e4             	mov    -0x1c(%rbp),%eax
-    bdb4:	89 c3                	mov    %eax,%ebx
-    bdb6:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 226c4 <end+0x84bc>
-    bdbc:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    bdc1:	f7 e9                	imul   %ecx
-    bdc3:	89 d0                	mov    %edx,%eax
-    bdc5:	c1 f8 05             	sar    $0x5,%eax
-    bdc8:	c1 f9 1f             	sar    $0x1f,%ecx
-    bdcb:	29 c8                	sub    %ecx,%eax
-    bdcd:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 226d7 <end+0x84cf>
-    bdd3:	8b 7d 08             	mov    0x8(%rbp),%edi
-    bdd6:	89 47 24             	mov    %eax,0x24(%rdi)
-    bdd9:	8b 45 14             	mov    0x14(%rbp),%eax
-    bddc:	29 d8                	sub    %ebx,%eax
-    bdde:	8d 65 f4             	lea    -0xc(%rbp),%esp
-    bde1:	5b                   	pop    %rbx
-    bde2:	5e                   	pop    %rsi
-    bde3:	5f                   	pop    %rdi
-    bde4:	5d                   	pop    %rbp
-    bde5:	c3                   	retq   
-    bde6:	8b 45 e4             	mov    -0x1c(%rbp),%eax
-    bde9:	89 c3                	mov    %eax,%ebx
-    bdeb:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 226f9 <end+0x84f1>
-    bdf1:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    bdf6:	f7 e9                	imul   %ecx
-    bdf8:	89 d0                	mov    %edx,%eax
-    bdfa:	c1 f8 05             	sar    $0x5,%eax
-    bdfd:	c1 f9 1f             	sar    $0x1f,%ecx
-    be00:	29 c8                	sub    %ecx,%eax
-    be02:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 2270c <end+0x8504>
-    be08:	8b 7d 08             	mov    0x8(%rbp),%edi
-    be0b:	89 47 24             	mov    %eax,0x24(%rdi)
-    be0e:	39 5d 14             	cmp    %ebx,0x14(%rbp)
-    be11:	75 c6                	jne    bdd9 <file_read+0x145>
-    be13:	b8 9d ff ff ff       	mov    $0xffffff9d,%eax
-    be18:	eb c4                	jmp    bdde <file_read+0x14a>
-    be1a:	b8 00 00 00 00       	mov    $0x0,%eax
-    be1f:	eb bd                	jmp    bdde <file_read+0x14a>
-    be21:	48 0d 00 fc ff ff    	or     $0xfffffffffffffc00,%rax
-    be27:	40 e9 4c ff ff ff    	rex jmpq bd79 <file_read+0xe5>
-    be2d:	4e 81 ce 00 fc ff ff 	rex.WRX or $0xfffffffffffffc00,%rsi
-    be34:	46 e9 b5 fe ff ff    	rex.RX jmpq bcef <file_read+0x5b>
-    be3a:	89 de                	mov    %ebx,%esi
-    be3c:	e9 ef fe ff ff       	jmpq   bd30 <file_read+0x9c>
-
-000000000000be41 <file_write>:
-    be41:	55                   	push   %rbp
-    be42:	89 e5                	mov    %esp,%ebp
-    be44:	57                   	push   %rdi
-    be45:	56                   	push   %rsi
-    be46:	53                   	push   %rbx
-    be47:	83 ec 1c             	sub    $0x1c,%esp
-    be4a:	8b 5d 10             	mov    0x10(%rbp),%ebx
-    be4d:	8b 45 0c             	mov    0xc(%rbp),%eax
-    be50:	f6 40 03 04          	testb  $0x4,0x3(%rax)
-    be54:	74 7c                	je     bed2 <file_write+0x91>
-    be56:	8b 45 08             	mov    0x8(%rbp),%eax
-    be59:	8b 70 04             	mov    0x4(%rax),%esi
-    be5c:	c7 45 e0 00 00 00 00 	movl   $0x0,-0x20(%rbp)
-    be63:	83 7d 14 00          	cmpl   $0x0,0x14(%rbp)
-    be67:	0f 8f c6 00 00 00    	jg     bf33 <file_write+0xf2>
-    be6d:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 2277b <end+0x8573>
-    be73:	8b 1d 04 69 01 00    	mov    0x16904(%rip),%ebx        # 2277d <end+0x8575>
-    be79:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    be7e:	f7 e9                	imul   %ecx
-    be80:	89 d0                	mov    %edx,%eax
-    be82:	c1 f8 05             	sar    $0x5,%eax
-    be85:	c1 f9 1f             	sar    $0x1f,%ecx
-    be88:	29 c8                	sub    %ecx,%eax
-    be8a:	01 d8                	add    %ebx,%eax
-    be8c:	8b 55 08             	mov    0x8(%rbp),%edx
-    be8f:	89 42 08             	mov    %eax,0x8(%rdx)
-    be92:	8b 45 0c             	mov    0xc(%rbp),%eax
-    be95:	f6 40 03 04          	testb  $0x4,0x3(%rax)
-    be99:	75 22                	jne    bebd <file_write+0x7c>
-    be9b:	89 70 0c             	mov    %esi,0xc(%rax)
-    be9e:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 227ac <end+0x85a4>
-    bea4:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    bea9:	f7 e9                	imul   %ecx
-    beab:	89 d0                	mov    %edx,%eax
-    bead:	c1 f8 05             	sar    $0x5,%eax
-    beb0:	c1 f9 1f             	sar    $0x1f,%ecx
-    beb3:	29 c8                	sub    %ecx,%eax
-    beb5:	01 c3                	add    %eax,%ebx
-    beb7:	8b 45 08             	mov    0x8(%rbp),%eax
-    beba:	89 58 28             	mov    %ebx,0x28(%rax)
-    bebd:	83 7d e0 00          	cmpl   $0x0,-0x20(%rbp)
-    bec1:	0f 84 f2 00 00 00    	je     bfb9 <file_write+0x178>
-    bec7:	8b 45 e0             	mov    -0x20(%rbp),%eax
-    beca:	8d 65 f4             	lea    -0xc(%rbp),%esp
-    becd:	5b                   	pop    %rbx
-    bece:	5e                   	pop    %rsi
-    becf:	5f                   	pop    %rdi
-    bed0:	5d                   	pop    %rbp
-    bed1:	c3                   	retq   
-    bed2:	8b 45 0c             	mov    0xc(%rbp),%eax
-    bed5:	8b 70 0c             	mov    0xc(%rax),%esi
-    bed8:	eb 82                	jmp    be5c <file_write+0x1b>
-    beda:	8d 86 ff 03 00 00    	lea    0x3ff(%rsi),%eax
-    bee0:	eb 5a                	jmp    bf3c <file_write+0xfb>
-    bee2:	49 81 c9 00 fc ff ff 	or     $0xfffffffffffffc00,%r9
-    bee9:	41 e9 8e 00 00 00    	rex.B jmpq bf7d <file_write+0x13c>
-    beef:	01 4d e0             	add    %ecx,-0x20(%rbp)
-    bef2:	85 c9                	test   %ecx,%ecx
-    bef4:	7e 25                	jle    bf1b <file_write+0xda>
-    bef6:	8d 3c 0b             	lea    (%rbx,%rcx,1),%edi
-    bef9:	89 7d e4             	mov    %edi,-0x1c(%rbp)
-    befc:	89 df                	mov    %ebx,%edi
-    befe:	8b 5d 08             	mov    0x8(%rbp),%ebx
-    bf01:	89 5d dc             	mov    %ebx,-0x24(%rbp)
-    bf04:	8d 5f 01             	lea    0x1(%rdi),%ebx
-    bf07:	64 8a 0f             	mov    %fs:(%rdi),%cl
-    bf0a:	42 88 4a ff          	rex.X mov %cl,-0x1(%rdx)
-    bf0e:	89 df                	mov    %ebx,%edi
-    bf10:	39 5d e4             	cmp    %ebx,-0x1c(%rbp)
-    bf13:	75 ef                	jne    bf04 <file_write+0xc3>
-    bf15:	8b 55 dc             	mov    -0x24(%rbp),%edx
-    bf18:	89 55 08             	mov    %edx,0x8(%rbp)
-    bf1b:	83 ec 0c             	sub    $0xc,%esp
-    bf1e:	50                   	push   %rax
-    bf1f:	e8 89 f2 ff ff       	callq  b1ad <brelse>
-    bf24:	83 c4 10             	add    $0x10,%esp
-    bf27:	8b 45 e0             	mov    -0x20(%rbp),%eax
-    bf2a:	39 45 14             	cmp    %eax,0x14(%rbp)
-    bf2d:	0f 8e 3a ff ff ff    	jle    be6d <file_write+0x2c>
-    bf33:	83 ec 08             	sub    $0x8,%esp
-    bf36:	89 f0                	mov    %esi,%eax
-    bf38:	85 f6                	test   %esi,%esi
-    bf3a:	78 9e                	js     beda <file_write+0x99>
-    bf3c:	c1 f8 0a             	sar    $0xa,%eax
-    bf3f:	50                   	push   %rax
-    bf40:	ff 75 08             	pushq  0x8(%rbp)
-    bf43:	e8 c5 ed ff ff       	callq  ad0d <create_block>
-    bf48:	83 c4 10             	add    $0x10,%esp
-    bf4b:	85 c0                	test   %eax,%eax
-    bf4d:	0f 84 1a ff ff ff    	je     be6d <file_write+0x2c>
-    bf53:	83 ec 08             	sub    $0x8,%esp
-    bf56:	50                   	push   %rax
-    bf57:	8b 45 08             	mov    0x8(%rbp),%eax
-    bf5a:	0f b7 40 2c          	movzwl 0x2c(%rax),%eax
-    bf5e:	50                   	push   %rax
-    bf5f:	e8 d1 f5 ff ff       	callq  b535 <bread>
-    bf64:	83 c4 10             	add    $0x10,%esp
-    bf67:	85 c0                	test   %eax,%eax
-    bf69:	0f 84 fe fe ff ff    	je     be6d <file_write+0x2c>
-    bf6f:	89 f1                	mov    %esi,%ecx
-    bf71:	81 e1 ff 03 00 80    	and    $0x800003ff,%ecx
-    bf77:	0f 88 65 ff ff ff    	js     bee2 <file_write+0xa1>
-    bf7d:	89 ca                	mov    %ecx,%edx
-    bf7f:	03 10                	add    (%rax),%edx
-    bf81:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    bf85:	bf 00 04 00 00       	mov    $0x400,%edi
-    bf8a:	29 cf                	sub    %ecx,%edi
-    bf8c:	89 7d e4             	mov    %edi,-0x1c(%rbp)
-    bf8f:	8b 7d 14             	mov    0x14(%rbp),%edi
-    bf92:	2b 7d e0             	sub    -0x20(%rbp),%edi
-    bf95:	89 f9                	mov    %edi,%ecx
-    bf97:	3b 7d e4             	cmp    -0x1c(%rbp),%edi
-    bf9a:	7e 03                	jle    bf9f <file_write+0x15e>
-    bf9c:	8b 4d e4             	mov    -0x1c(%rbp),%ecx
-    bf9f:	01 ce                	add    %ecx,%esi
-    bfa1:	8b 7d 08             	mov    0x8(%rbp),%edi
-    bfa4:	39 77 04             	cmp    %esi,0x4(%rdi)
-    bfa7:	0f 83 42 ff ff ff    	jae    beef <file_write+0xae>
-    bfad:	89 77 04             	mov    %esi,0x4(%rdi)
-    bfb0:	c6 47 33 01          	movb   $0x1,0x33(%rdi)
-    bfb4:	e9 36 ff ff ff       	jmpq   beef <file_write+0xae>
-    bfb9:	c7 45 e0 ff ff ff ff 	movl   $0xffffffff,-0x20(%rbp)
-    bfc0:	e9 02 ff ff ff       	jmpq   bec7 <file_write+0x86>
-    bfc5:	56                   	push   %rsi
-    bfc6:	53                   	push   %rbx
-    bfc7:	83 ec 3c             	sub    $0x3c,%esp
-    bfca:	89 c6                	mov    %eax,%esi
-    bfcc:	89 d3                	mov    %edx,%ebx
-    bfce:	65 a1 14 00 00 00 89 	movabs %gs:0x3424448900000014,%eax
-    bfd5:	44 24 34 
-    bfd8:	31 c0                	xor    %eax,%eax
-    bfda:	6a 20                	pushq  $0x20
-    bfdc:	52                   	push   %rdx
-    bfdd:	e8 67 a0 ff ff       	callq  6049 <verify_area>
-    bfe2:	8b 46 2c             	mov    0x2c(%rsi),%eax
-    bfe5:	66 89 44 24 1c       	mov    %ax,0x1c(%rsp)
-    bfea:	66 8b 46 2e          	mov    0x2e(%rsi),%ax
-    bfee:	66 89 44 24 1e       	mov    %ax,0x1e(%rsp)
-    bff3:	8b 06                	mov    (%rsi),%eax
-    bff5:	66 89 44 24 20       	mov    %ax,0x20(%rsp)
-    bffa:	8a 46 0d             	mov    0xd(%rsi),%al
-    bffd:	88 44 24 22          	mov    %al,0x22(%rsp)
-    c001:	66 8b 46 02          	mov    0x2(%rsi),%ax
-    c005:	66 89 44 24 24       	mov    %ax,0x24(%rsp)
-    c00a:	8a 46 0c             	mov    0xc(%rsi),%al
-    c00d:	88 44 24 26          	mov    %al,0x26(%rsp)
-    c011:	66 8b 46 0e          	mov    0xe(%rsi),%ax
-    c015:	66 89 44 24 28       	mov    %ax,0x28(%rsp)
-    c01a:	8b 46 04             	mov    0x4(%rsi),%eax
-    c01d:	89 44 24 2c          	mov    %eax,0x2c(%rsp)
-    c021:	8b 46 24             	mov    0x24(%rsi),%eax
-    c024:	89 44 24 30          	mov    %eax,0x30(%rsp)
-    c028:	8b 46 08             	mov    0x8(%rsi),%eax
-    c02b:	89 44 24 34          	mov    %eax,0x34(%rsp)
-    c02f:	8b 46 28             	mov    0x28(%rsi),%eax
-    c032:	89 44 24 38          	mov    %eax,0x38(%rsp)
-    c036:	83 c4 10             	add    $0x10,%esp
-    c039:	b8 00 00 00 00       	mov    $0x0,%eax
-    c03e:	8a 54 04 0c          	mov    0xc(%rsp,%rax,1),%dl
-    c042:	64 88 14 03          	mov    %dl,%fs:(%rbx,%rax,1)
-    c046:	40 83 f8 20          	rex cmp $0x20,%eax
-    c04a:	75 f2                	jne    c03e <file_write+0x1fd>
-    c04c:	b8 00 00 00 00       	mov    $0x0,%eax
-    c051:	8b 4c 24 2c          	mov    0x2c(%rsp),%ecx
-    c055:	65 33 0d 14 00 00 00 	xor    %gs:0x14(%rip),%ecx        # c070 <sys_stat+0x7>
-    c05c:	75 06                	jne    c064 <file_write+0x223>
-    c05e:	83 c4 34             	add    $0x34,%esp
-    c061:	5b                   	pop    %rbx
-    c062:	5e                   	pop    %rsi
-    c063:	c3                   	retq   
-    c064:	e8 3d a4 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000c069 <sys_stat>:
-    c069:	56                   	push   %rsi
-    c06a:	53                   	push   %rbx
-    c06b:	83 ec 10             	sub    $0x10,%esp
-    c06e:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    c072:	e8 e4 11 00 00       	callq  d25b <namei>
-    c077:	83 c4 10             	add    $0x10,%esp
-    c07a:	85 c0                	test   %eax,%eax
-    c07c:	74 21                	je     c09f <sys_stat+0x36>
-    c07e:	89 c3                	mov    %eax,%ebx
-    c080:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    c084:	e8 3c ff ff ff       	callq  bfc5 <file_write+0x184>
-    c089:	89 c6                	mov    %eax,%esi
-    c08b:	83 ec 0c             	sub    $0xc,%esp
-    c08e:	53                   	push   %rbx
-    c08f:	e8 92 ec ff ff       	callq  ad26 <iput>
-    c094:	83 c4 10             	add    $0x10,%esp
-    c097:	89 f0                	mov    %esi,%eax
-    c099:	83 c4 04             	add    $0x4,%esp
-    c09c:	5b                   	pop    %rbx
-    c09d:	5e                   	pop    %rsi
-    c09e:	c3                   	retq   
-    c09f:	be fe ff ff ff       	mov    $0xfffffffe,%esi
-    c0a4:	eb f1                	jmp    c097 <sys_stat+0x2e>
-
-000000000000c0a6 <sys_fstat>:
-    c0a6:	83 ec 0c             	sub    $0xc,%esp
-    c0a9:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    c0ad:	83 f8 13             	cmp    $0x13,%eax
-    c0b0:	77 25                	ja     c0d7 <sys_fstat+0x31>
-    c0b2:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1edb8 <end+0x4bb0>
-    c0b8:	8b 84 82 f8 00 00 00 	mov    0xf8(%rdx,%rax,4),%eax
-    c0bf:	85 c0                	test   %eax,%eax
-    c0c1:	74 1b                	je     c0de <sys_fstat+0x38>
-    c0c3:	8b 40 08             	mov    0x8(%rax),%eax
-    c0c6:	85 c0                	test   %eax,%eax
-    c0c8:	74 1b                	je     c0e5 <sys_fstat+0x3f>
-    c0ca:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    c0ce:	e8 f2 fe ff ff       	callq  bfc5 <file_write+0x184>
-    c0d3:	83 c4 0c             	add    $0xc,%esp
-    c0d6:	c3                   	retq   
-    c0d7:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    c0dc:	eb f5                	jmp    c0d3 <sys_fstat+0x2d>
-    c0de:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    c0e3:	eb ee                	jmp    c0d3 <sys_fstat+0x2d>
-    c0e5:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    c0ea:	eb e7                	jmp    c0d3 <sys_fstat+0x2d>
-    c0ec:	55                   	push   %rbp
-    c0ed:	57                   	push   %rdi
-    c0ee:	56                   	push   %rsi
-    c0ef:	53                   	push   %rbx
-    c0f0:	83 ec 1c             	sub    $0x1c,%esp
-    c0f3:	89 cf                	mov    %ecx,%edi
-    c0f5:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    c0f9:	8d 44 82 fc          	lea    -0x4(%rdx,%rax,4),%eax
-    c0fd:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    c101:	eb 67                	jmp    c16a <sys_fstat+0xc4>
-    c103:	83 ec 0c             	sub    $0xc,%esp
-    c106:	68 a6 f5 00 00       	pushq  $0xf5a6
-    c10b:	e8 73 a3 ff ff       	callq  6483 <panic>
-    c110:	83 c4 10             	add    $0x10,%esp
-    c113:	b8 00 00 00 00       	mov    $0x0,%eax
-    c118:	eb 62                	jmp    c17c <sys_fstat+0xd6>
-    c11a:	89 d8                	mov    %ebx,%eax
-    c11c:	2b 44 24 30          	sub    0x30(%rsp),%eax
-    c120:	64 8a 0c 06          	mov    %fs:(%rsi,%rax,1),%cl
-    c124:	89 da                	mov    %ebx,%edx
-    c126:	81 e2 ff 0f 00 00    	and    $0xfff,%edx
-    c12c:	8b 45 00             	mov    0x0(%rbp),%eax
-    c12f:	88 0c 02             	mov    %cl,(%rdx,%rax,1)
-    c132:	39 5c 24 04          	cmp    %ebx,0x4(%rsp)
-    c136:	74 21                	je     c159 <sys_fstat+0xb3>
-    c138:	4b 89 d8             	rex.WXB mov %rbx,%r8
-    c13b:	c1 e8 0c             	shr    $0xc,%eax
-    c13e:	8d 2c 87             	lea    (%rdi,%rax,4),%ebp
-    c141:	83 7d 00 00          	cmpl   $0x0,0x0(%rbp)
-    c145:	75 d3                	jne    c11a <sys_fstat+0x74>
-    c147:	83 ec 0c             	sub    $0xc,%esp
-    c14a:	68 b4 f5 00 00       	pushq  $0xf5b4
-    c14f:	e8 2f a3 ff ff       	callq  6483 <panic>
-    c154:	83 c4 10             	add    $0x10,%esp
-    c157:	eb c1                	jmp    c11a <sys_fstat+0x74>
-    c159:	ff 4c 24 08          	decl   0x8(%rsp)
-    c15d:	83 6c 24 0c 04       	subl   $0x4,0xc(%rsp)
-    c162:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    c166:	89 44 24 30          	mov    %eax,0x30(%rsp)
-    c16a:	83 7c 24 08 00       	cmpl   $0x0,0x8(%rsp)
-    c16f:	7e 60                	jle    c1d1 <sys_fstat+0x12b>
-    c171:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    c175:	64 8b 00             	mov    %fs:(%rax),%eax
-    c178:	85 c0                	test   %eax,%eax
-    c17a:	74 87                	je     c103 <sys_fstat+0x5d>
-    c17c:	ba 00 00 00 00       	mov    $0x0,%edx
-    c181:	42 8d 70 01          	rex.X lea 0x1(%rax),%esi
-    c185:	64 8a 08             	mov    %fs:(%rax),%cl
-    c188:	89 f0                	mov    %esi,%eax
-    c18a:	84 c9                	test   %cl,%cl
-    c18c:	75 f3                	jne    c181 <sys_fstat+0xdb>
-    c18e:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    c192:	29 d0                	sub    %edx,%eax
-    c194:	89 44 24 04          	mov    %eax,0x4(%rsp)
-    c198:	c1 e8 0c             	shr    $0xc,%eax
-    c19b:	89 c3                	mov    %eax,%ebx
-    c19d:	83 f8 1f             	cmp    $0x1f,%eax
-    c1a0:	7f 26                	jg     c1c8 <sys_fstat+0x122>
-    c1a2:	8d 14 87             	lea    (%rdi,%rax,4),%edx
-    c1a5:	83 3a 00             	cmpl   $0x0,(%rdx)
-    c1a8:	75 1e                	jne    c1c8 <sys_fstat+0x122>
-    c1aa:	f7 d8                	neg    %eax
-    c1ac:	8d 2c 82             	lea    (%rdx,%rax,4),%ebp
-    c1af:	e8 17 d9 ff ff       	callq  9acb <get_free_page>
-    c1b4:	89 44 9d 00          	mov    %eax,0x0(%rbp,%rbx,4)
-    c1b8:	85 c0                	test   %eax,%eax
-    c1ba:	74 19                	je     c1d5 <sys_fstat+0x12f>
-    c1bc:	43 83 fb 20          	rex.XB cmp $0x20,%r11d
-    c1c0:	74 06                	je     c1c8 <sys_fstat+0x122>
-    c1c2:	83 3c 9f 00          	cmpl   $0x0,(%rdi,%rbx,4)
-    c1c6:	74 e7                	je     c1af <sys_fstat+0x109>
-    c1c8:	8b 5c 24 30          	mov    0x30(%rsp),%ebx
-    c1cc:	e9 67 ff ff ff       	jmpq   c138 <sys_fstat+0x92>
-    c1d1:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    c1d5:	83 c4 1c             	add    $0x1c,%esp
-    c1d8:	5b                   	pop    %rbx
-    c1d9:	5e                   	pop    %rsi
-    c1da:	5f                   	pop    %rdi
-    c1db:	5d                   	pop    %rbp
-    c1dc:	c3                   	retq   
-
-000000000000c1dd <read_head>:
-    c1dd:	55                   	push   %rbp
-    c1de:	57                   	push   %rdi
-    c1df:	56                   	push   %rsi
-    c1e0:	53                   	push   %rbx
-    c1e1:	83 ec 1c             	sub    $0x1c,%esp
-    c1e4:	8b 6c 24 30          	mov    0x30(%rsp),%ebp
-    c1e8:	8b 44 24 34          	mov    0x34(%rsp),%eax
-    c1ec:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    c1f0:	83 f8 06             	cmp    $0x6,%eax
-    c1f3:	7e 08                	jle    c1fd <read_head+0x20>
-    c1f5:	c7 44 24 0c 06 00 00 	movl   $0x6,0xc(%rsp)
-    c1fc:	00 
-    c1fd:	85 c0                	test   %eax,%eax
-    c1ff:	7e 60                	jle    c261 <read_head+0x84>
-    c201:	bb 00 00 00 00       	mov    $0x0,%ebx
-    c206:	eb 07                	jmp    c20f <read_head+0x32>
-    c208:	43 3b 5c 24 0c       	cmp    0xc(%r12,%r12,1),%ebx
-    c20d:	7d 45                	jge    c254 <read_head+0x77>
-    c20f:	66 8b 44 5d 10       	mov    0x10(%rbp,%rbx,2),%ax
-    c214:	66 85 c0             	test   %ax,%ax
-    c217:	74 ef                	je     c208 <read_head+0x2b>
-    c219:	83 ec 08             	sub    $0x8,%esp
-    c21c:	0f b7 c0             	movzwl %ax,%eax
-    c21f:	50                   	push   %rax
-    c220:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    c224:	50                   	push   %rax
-    c225:	e8 0b f3 ff ff       	callq  b535 <bread>
-    c22a:	83 c4 10             	add    $0x10,%esp
-    c22d:	85 c0                	test   %eax,%eax
-    c22f:	74 37                	je     c268 <read_head+0x8b>
-    c231:	89 df                	mov    %ebx,%edi
-    c233:	c1 e7 0a             	shl    $0xa,%edi
-    c236:	b9 00 01 00 00       	mov    $0x100,%ecx
-    c23b:	8b 30                	mov    (%rax),%esi
-    c23d:	6a 10                	pushq  $0x10
-    c23f:	6a 17                	pushq  $0x17
-    c241:	07                   	(bad)  
-    c242:	fc                   	cld    
-    c243:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    c245:	07                   	(bad)  
-    c246:	83 ec 0c             	sub    $0xc,%esp
-    c249:	50                   	push   %rax
-    c24a:	e8 5e ef ff ff       	callq  b1ad <brelse>
-    c24f:	83 c4 10             	add    $0x10,%esp
-    c252:	eb b4                	jmp    c208 <read_head+0x2b>
-    c254:	b8 00 00 00 00       	mov    $0x0,%eax
-    c259:	83 c4 1c             	add    $0x1c,%esp
-    c25c:	5b                   	pop    %rbx
-    c25d:	5e                   	pop    %rsi
-    c25e:	5f                   	pop    %rdi
-    c25f:	5d                   	pop    %rbp
-    c260:	c3                   	retq   
-    c261:	b8 00 00 00 00       	mov    $0x0,%eax
-    c266:	eb f1                	jmp    c259 <read_head+0x7c>
-    c268:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    c26d:	eb ea                	jmp    c259 <read_head+0x7c>
-
-000000000000c26f <read_ind>:
-    c26f:	55                   	push   %rbp
-    c270:	57                   	push   %rdi
-    c271:	56                   	push   %rsi
-    c272:	53                   	push   %rbx
-    c273:	83 ec 1c             	sub    $0x1c,%esp
-    c276:	8b 5c 24 34          	mov    0x34(%rsp),%ebx
-    c27a:	8b 74 24 38          	mov    0x38(%rsp),%esi
-    c27e:	8b 7c 24 3c          	mov    0x3c(%rsp),%edi
-    c282:	85 f6                	test   %esi,%esi
-    c284:	7e 0e                	jle    c294 <read_ind+0x25>
-    c286:	85 db                	test   %ebx,%ebx
-    c288:	75 1c                	jne    c2a6 <read_ind+0x37>
-    c28a:	89 d8                	mov    %ebx,%eax
-    c28c:	83 c4 1c             	add    $0x1c,%esp
-    c28f:	5b                   	pop    %rbx
-    c290:	5e                   	pop    %rsi
-    c291:	5f                   	pop    %rdi
-    c292:	5d                   	pop    %rbp
-    c293:	c3                   	retq   
-    c294:	83 ec 0c             	sub    $0xc,%esp
-    c297:	68 cf f5 00 00       	pushq  $0xf5cf
-    c29c:	e8 e2 a1 ff ff       	callq  6483 <panic>
-    c2a1:	83 c4 10             	add    $0x10,%esp
-    c2a4:	eb e0                	jmp    c286 <read_ind+0x17>
-    c2a6:	83 ec 08             	sub    $0x8,%esp
-    c2a9:	53                   	push   %rbx
-    c2aa:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    c2ae:	e8 82 f2 ff ff       	callq  b535 <bread>
-    c2b3:	89 44 24 1c          	mov    %eax,0x1c(%rsp)
-    c2b7:	83 c4 10             	add    $0x10,%esp
-    c2ba:	85 c0                	test   %eax,%eax
-    c2bc:	0f 84 97 00 00 00    	je     c359 <read_ind+0xea>
-    c2c2:	8b 18                	mov    (%rax),%ebx
-    c2c4:	85 f6                	test   %esi,%esi
-    c2c6:	7e 78                	jle    c340 <read_ind+0xd1>
-    c2c8:	89 f5                	mov    %esi,%ebp
-    c2ca:	81 fe 00 00 08 00    	cmp    $0x80000,%esi
-    c2d0:	7e 2d                	jle    c2ff <read_ind+0x90>
-    c2d2:	bd 00 00 08 00       	mov    $0x80000,%ebp
-    c2d7:	eb 26                	jmp    c2ff <read_ind+0x90>
-    c2d9:	83 ec 0c             	sub    $0xc,%esp
-    c2dc:	ff 74 24 18          	pushq  0x18(%rsp)
-    c2e0:	e8 c8 ee ff ff       	callq  b1ad <brelse>
-    c2e5:	83 c4 10             	add    $0x10,%esp
-    c2e8:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
-    c2ed:	eb 9b                	jmp    c28a <read_ind+0x1b>
-    c2ef:	81 ed 00 04 00 00    	sub    $0x400,%ebp
-    c2f5:	81 c7 00 04 00 00    	add    $0x400,%edi
-    c2fb:	85 ed                	test   %ebp,%ebp
-    c2fd:	7e 41                	jle    c340 <read_ind+0xd1>
-    c2ff:	83 c3 02             	add    $0x2,%ebx
-    c302:	66 8b 43 fe          	mov    -0x2(%rbx),%ax
-    c306:	66 85 c0             	test   %ax,%ax
-    c309:	74 e4                	je     c2ef <read_ind+0x80>
-    c30b:	83 ec 08             	sub    $0x8,%esp
-    c30e:	0f b7 c0             	movzwl %ax,%eax
-    c311:	50                   	push   %rax
-    c312:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    c316:	e8 1a f2 ff ff       	callq  b535 <bread>
-    c31b:	83 c4 10             	add    $0x10,%esp
-    c31e:	85 c0                	test   %eax,%eax
-    c320:	74 b7                	je     c2d9 <read_ind+0x6a>
-    c322:	8b 30                	mov    (%rax),%esi
-    c324:	b9 00 01 00 00       	mov    $0x100,%ecx
-    c329:	6a 10                	pushq  $0x10
-    c32b:	6a 17                	pushq  $0x17
-    c32d:	07                   	(bad)  
-    c32e:	fc                   	cld    
-    c32f:	f3 a5                	rep movsl %ds:(%rsi),%es:(%rdi)
-    c331:	07                   	(bad)  
-    c332:	83 ec 0c             	sub    $0xc,%esp
-    c335:	50                   	push   %rax
-    c336:	e8 72 ee ff ff       	callq  b1ad <brelse>
-    c33b:	83 c4 10             	add    $0x10,%esp
-    c33e:	eb af                	jmp    c2ef <read_ind+0x80>
-    c340:	83 ec 0c             	sub    $0xc,%esp
-    c343:	ff 74 24 18          	pushq  0x18(%rsp)
-    c347:	e8 61 ee ff ff       	callq  b1ad <brelse>
-    c34c:	83 c4 10             	add    $0x10,%esp
-    c34f:	bb 00 00 00 00       	mov    $0x0,%ebx
-    c354:	e9 31 ff ff ff       	jmpq   c28a <read_ind+0x1b>
-    c359:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
-    c35e:	e9 27 ff ff ff       	jmpq   c28a <read_ind+0x1b>
-
-000000000000c363 <read_area>:
-    c363:	55                   	push   %rbp
-    c364:	89 e5                	mov    %esp,%ebp
-    c366:	57                   	push   %rdi
-    c367:	56                   	push   %rsi
-    c368:	53                   	push   %rbx
-    c369:	83 ec 24             	sub    $0x24,%esp
-    c36c:	8b 5d 08             	mov    0x8(%rbp),%ebx
-    c36f:	8b 75 0c             	mov    0xc(%rbp),%esi
-    c372:	8d 96 ff 03 00 00    	lea    0x3ff(%rsi),%edx
-    c378:	89 d0                	mov    %edx,%eax
-    c37a:	85 d2                	test   %edx,%edx
-    c37c:	78 51                	js     c3cf <read_area+0x6c>
-    c37e:	c1 f8 0a             	sar    $0xa,%eax
-    c381:	50                   	push   %rax
-    c382:	53                   	push   %rbx
-    c383:	e8 55 fe ff ff       	callq  c1dd <read_head>
-    c388:	83 c4 10             	add    $0x10,%esp
-    c38b:	85 c0                	test   %eax,%eax
-    c38d:	75 38                	jne    c3c7 <read_area+0x64>
-    c38f:	8d 96 00 e8 ff ff    	lea    -0x1800(%rsi),%edx
-    c395:	85 d2                	test   %edx,%edx
-    c397:	7e 2e                	jle    c3c7 <read_area+0x64>
-    c399:	68 00 18 00 00       	pushq  $0x1800
-    c39e:	52                   	push   %rdx
-    c39f:	0f b7 43 1c          	movzwl 0x1c(%rbx),%eax
-    c3a3:	50                   	push   %rax
-    c3a4:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    c3a8:	50                   	push   %rax
-    c3a9:	e8 c1 fe ff ff       	callq  c26f <read_ind>
-    c3ae:	83 c4 10             	add    $0x10,%esp
-    c3b1:	85 c0                	test   %eax,%eax
-    c3b3:	75 12                	jne    c3c7 <read_area+0x64>
-    c3b5:	8d be 00 e8 f7 ff    	lea    -0x81800(%rsi),%edi
-    c3bb:	85 ff                	test   %edi,%edi
-    c3bd:	7e 08                	jle    c3c7 <read_area+0x64>
-    c3bf:	0f b7 43 1e          	movzwl 0x1e(%rbx),%eax
-    c3c3:	85 c0                	test   %eax,%eax
-    c3c5:	75 10                	jne    c3d7 <read_area+0x74>
-    c3c7:	8d 65 f4             	lea    -0xc(%rbp),%esp
-    c3ca:	5b                   	pop    %rbx
-    c3cb:	5e                   	pop    %rsi
-    c3cc:	5f                   	pop    %rdi
-    c3cd:	5d                   	pop    %rbp
-    c3ce:	c3                   	retq   
-    c3cf:	8d 86 fe 07 00 00    	lea    0x7fe(%rsi),%eax
-    c3d5:	eb a7                	jmp    c37e <read_area+0x1b>
-    c3d7:	83 ec 08             	sub    $0x8,%esp
-    c3da:	50                   	push   %rax
-    c3db:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    c3df:	50                   	push   %rax
-    c3e0:	e8 50 f1 ff ff       	callq  b535 <bread>
-    c3e5:	83 c4 10             	add    $0x10,%esp
-    c3e8:	85 c0                	test   %eax,%eax
-    c3ea:	74 74                	je     c460 <read_area+0xfd>
-    c3ec:	8b 00                	mov    (%rax),%eax
-    c3ee:	89 45 e4             	mov    %eax,-0x1c(%rbp)
-    c3f1:	8d 86 00 e8 f7 ef    	lea    -0x10081800(%rsi),%eax
-    c3f7:	89 45 dc             	mov    %eax,-0x24(%rbp)
-    c3fa:	8d 86 00 e8 ef ff    	lea    -0x101800(%rsi),%eax
-    c400:	81 ee 01 18 08 00    	sub    $0x81801,%esi
-    c406:	81 e6 00 00 f8 ff    	and    $0xfff80000,%esi
-    c40c:	29 f0                	sub    %esi,%eax
-    c40e:	89 45 e0             	mov    %eax,-0x20(%rbp)
-    c411:	be 00 18 08 00       	mov    $0x81800,%esi
-    c416:	83 45 e4 02          	addl   $0x2,-0x1c(%rbp)
-    c41a:	8b 45 e4             	mov    -0x1c(%rbp),%eax
-    c41d:	56                   	push   %rsi
-    c41e:	57                   	push   %rdi
-    c41f:	0f b7 40 fe          	movzwl -0x2(%rax),%eax
-    c423:	50                   	push   %rax
-    c424:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    c428:	50                   	push   %rax
-    c429:	e8 41 fe ff ff       	callq  c26f <read_ind>
-    c42e:	83 c4 10             	add    $0x10,%esp
-    c431:	85 c0                	test   %eax,%eax
-    c433:	75 92                	jne    c3c7 <read_area+0x64>
-    c435:	81 ef 00 00 08 00    	sub    $0x80000,%edi
-    c43b:	3b 7d e0             	cmp    -0x20(%rbp),%edi
-    c43e:	74 87                	je     c3c7 <read_area+0x64>
-    c440:	81 c6 00 04 00 00    	add    $0x400,%esi
-    c446:	3b 7d dc             	cmp    -0x24(%rbp),%edi
-    c449:	75 cb                	jne    c416 <read_area+0xb3>
-    c44b:	83 ec 0c             	sub    $0xc,%esp
-    c44e:	68 e3 f5 00 00       	pushq  $0xf5e3
-    c453:	e8 2b a0 ff ff       	callq  6483 <panic>
-    c458:	83 c4 10             	add    $0x10,%esp
-    c45b:	e9 67 ff ff ff       	jmpq   c3c7 <read_area+0x64>
-    c460:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    c465:	e9 5d ff ff ff       	jmpq   c3c7 <read_area+0x64>
-
-000000000000c46a <do_execve>:
-    c46a:	55                   	push   %rbp
-    c46b:	57                   	push   %rdi
-    c46c:	56                   	push   %rsi
-    c46d:	53                   	push   %rbx
-    c46e:	81 ec cc 00 00 00    	sub    $0xcc,%esp
-    c474:	8b 84 24 e0 00 00 00 	mov    0xe0(%rsp),%eax
-    c47b:	89 44 24 20          	mov    %eax,0x20(%rsp)
-    c47f:	8b b4 24 e8 00 00 00 	mov    0xe8(%rsp),%esi
-    c486:	8b bc 24 ec 00 00 00 	mov    0xec(%rsp),%edi
-    c48d:	8b ac 24 f0 00 00 00 	mov    0xf0(%rsp),%ebp
-    c494:	65 8b 15 14 00 00 00 	mov    %gs:0x14(%rip),%edx        # c4af <do_execve+0x45>
-    c49b:	89 94 24 bc 00 00 00 	mov    %edx,0xbc(%rsp)
-    c4a2:	31 d2                	xor    %edx,%edx
-    c4a4:	66 83 78 04 0f       	cmpw   $0xf,0x4(%rax)
-    c4a9:	0f 85 86 00 00 00    	jne    c535 <do_execve+0xcb>
-    c4af:	8d 44 24 3c          	lea    0x3c(%rsp),%eax
-    c4b3:	89 c3                	mov    %eax,%ebx
-    c4b5:	89 44 24 2c          	mov    %eax,0x2c(%rsp)
-    c4b9:	8d 84 24 bc 00 00 00 	lea    0xbc(%rsp),%eax
-    c4c0:	c7 03 00 00 00 00    	movl   $0x0,(%rbx)
-    c4c6:	83 c3 04             	add    $0x4,%ebx
-    c4c9:	39 c3                	cmp    %eax,%ebx
-    c4cb:	75 f3                	jne    c4c0 <do_execve+0x56>
-    c4cd:	83 ec 0c             	sub    $0xc,%esp
-    c4d0:	56                   	push   %rsi
-    c4d1:	e8 85 0d 00 00       	callq  d25b <namei>
-    c4d6:	89 44 24 14          	mov    %eax,0x14(%rsp)
-    c4da:	83 c4 10             	add    $0x10,%esp
-    c4dd:	85 c0                	test   %eax,%eax
-    c4df:	0f 84 9d 05 00 00    	je     ca82 <do_execve+0x618>
-    c4e5:	8b 00                	mov    (%rax),%eax
-    c4e7:	0f b7 c8             	movzwl %ax,%ecx
-    c4ea:	89 c2                	mov    %eax,%edx
-    c4ec:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    c4f2:	66 81 fa 00 80       	cmp    $0x8000,%dx
-    c4f7:	75 51                	jne    c54a <do_execve+0xe0>
-    c4f9:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1f1ff <end+0x4ff7>
-    c4ff:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    c506:	00 
-    c507:	74 5f                	je     c568 <do_execve+0xfe>
-    c509:	66 8b b2 be 00 00 00 	mov    0xbe(%rdx),%si
-    c510:	66 85 f6             	test   %si,%si
-    c513:	74 53                	je     c568 <do_execve+0xfe>
-    c515:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    c519:	66 3b 70 02          	cmp    0x2(%rax),%si
-    c51d:	74 44                	je     c563 <do_execve+0xf9>
-    c51f:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    c523:	0f b6 40 0c          	movzbl 0xc(%rax),%eax
-    c527:	66 39 82 c4 00 00 00 	cmp    %ax,0xc4(%rdx)
-    c52e:	75 3c                	jne    c56c <do_execve+0x102>
-    c530:	c1 f9 03             	sar    $0x3,%ecx
-    c533:	eb 37                	jmp    c56c <do_execve+0x102>
-    c535:	83 ec 0c             	sub    $0xc,%esp
-    c538:	68 80 fa 00 00       	pushq  $0xfa80
-    c53d:	e8 41 9f ff ff       	callq  6483 <panic>
-    c542:	83 c4 10             	add    $0x10,%esp
-    c545:	e9 65 ff ff ff       	jmpq   c4af <do_execve+0x45>
-    c54a:	83 ec 0c             	sub    $0xc,%esp
-    c54d:	ff 74 24 10          	pushq  0x10(%rsp)
-    c551:	e8 d0 e7 ff ff       	callq  ad26 <iput>
-    c556:	83 c4 10             	add    $0x10,%esp
-    c559:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    c55e:	e9 eb 04 00 00       	jmpq   ca4e <do_execve+0x5e4>
-    c563:	c1 f9 06             	sar    $0x6,%ecx
-    c566:	eb 04                	jmp    c56c <do_execve+0x102>
-    c568:	a8 49                	test   $0x49,%al
-    c56a:	75 09                	jne    c575 <do_execve+0x10b>
-    c56c:	f6 c1 01             	test   $0x1,%cl
-    c56f:	0f 84 6e 01 00 00    	je     c6e3 <do_execve+0x279>
-    c575:	83 ec 08             	sub    $0x8,%esp
-    c578:	8b 74 24 0c          	mov    0xc(%rsp),%esi
-    c57c:	0f b7 46 0e          	movzwl 0xe(%rsi),%eax
-    c580:	50                   	push   %rax
-    c581:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    c585:	50                   	push   %rax
-    c586:	e8 aa ef ff ff       	callq  b535 <bread>
-    c58b:	83 c4 10             	add    $0x10,%esp
-    c58e:	85 c0                	test   %eax,%eax
-    c590:	0f 84 66 01 00 00    	je     c6fc <do_execve+0x292>
-    c596:	8b 10                	mov    (%rax),%edx
-    c598:	8b 32                	mov    (%rdx),%esi
-    c59a:	89 74 24 0c          	mov    %esi,0xc(%rsp)
-    c59e:	8b 72 04             	mov    0x4(%rdx),%esi
-    c5a1:	89 74 24 08          	mov    %esi,0x8(%rsp)
-    c5a5:	8b 72 08             	mov    0x8(%rdx),%esi
-    c5a8:	89 74 24 14          	mov    %esi,0x14(%rsp)
-    c5ac:	8b 4a 0c             	mov    0xc(%rdx),%ecx
-    c5af:	89 4c 24 18          	mov    %ecx,0x18(%rsp)
-    c5b3:	8b 4a 10             	mov    0x10(%rdx),%ecx
-    c5b6:	89 4c 24 1c          	mov    %ecx,0x1c(%rsp)
-    c5ba:	8b 4a 14             	mov    0x14(%rdx),%ecx
-    c5bd:	89 4c 24 24          	mov    %ecx,0x24(%rsp)
-    c5c1:	8b 72 18             	mov    0x18(%rdx),%esi
-    c5c4:	8b 4a 1c             	mov    0x1c(%rdx),%ecx
-    c5c7:	89 4c 24 10          	mov    %ecx,0x10(%rsp)
-    c5cb:	83 ec 0c             	sub    $0xc,%esp
-    c5ce:	50                   	push   %rax
-    c5cf:	e8 d9 eb ff ff       	callq  b1ad <brelse>
-    c5d4:	83 c4 10             	add    $0x10,%esp
-    c5d7:	81 7c 24 0c 0b 01 00 	cmpl   $0x10b,0xc(%rsp)
-    c5de:	00 
-    c5df:	0f 85 30 01 00 00    	jne    c715 <do_execve+0x2ab>
-    c5e5:	85 f6                	test   %esi,%esi
-    c5e7:	0f 85 28 01 00 00    	jne    c715 <do_execve+0x2ab>
-    c5ed:	83 7c 24 10 00       	cmpl   $0x0,0x10(%rsp)
-    c5f2:	0f 85 1d 01 00 00    	jne    c715 <do_execve+0x2ab>
-    c5f8:	8b 44 24 14          	mov    0x14(%rsp),%eax
-    c5fc:	03 44 24 08          	add    0x8(%rsp),%eax
-    c600:	89 44 24 14          	mov    %eax,0x14(%rsp)
-    c604:	8b 74 24 18          	mov    0x18(%rsp),%esi
-    c608:	01 c6                	add    %eax,%esi
-    c60a:	89 74 24 28          	mov    %esi,0x28(%rsp)
-    c60e:	81 fe 00 00 00 03    	cmp    $0x3000000,%esi
-    c614:	0f 87 fb 00 00 00    	ja     c715 <do_execve+0x2ab>
-    c61a:	8b 4c 24 1c          	mov    0x1c(%rsp),%ecx
-    c61e:	8d 84 08 00 04 00 00 	lea    0x400(%rax,%rcx,1),%eax
-    c625:	8b 74 24 04          	mov    0x4(%rsp),%esi
-    c629:	39 46 04             	cmp    %eax,0x4(%rsi)
-    c62c:	0f 82 e3 00 00 00    	jb     c715 <do_execve+0x2ab>
-    c632:	85 ff                	test   %edi,%edi
-    c634:	0f 84 f4 00 00 00    	je     c72e <do_execve+0x2c4>
-    c63a:	8d 47 04             	lea    0x4(%rdi),%eax
-    c63d:	64 8b 17             	mov    %fs:(%rdi),%edx
-    c640:	85 d2                	test   %edx,%edx
-    c642:	0f 84 f3 00 00 00    	je     c73b <do_execve+0x2d1>
-    c648:	ba 00 00 00 00       	mov    $0x0,%edx
-    c64d:	42                   	rex.X
-    c64e:	64 8b 08             	mov    %fs:(%rax),%ecx
-    c651:	8d 40 04             	lea    0x4(%rax),%eax
-    c654:	85 c9                	test   %ecx,%ecx
-    c656:	75 f5                	jne    c64d <do_execve+0x1e3>
-    c658:	89 54 24 10          	mov    %edx,0x10(%rsp)
-    c65c:	85 ed                	test   %ebp,%ebp
-    c65e:	0f 84 e4 00 00 00    	je     c748 <do_execve+0x2de>
-    c664:	8d 45 04             	lea    0x4(%rbp),%eax
-    c667:	64 8b 55 00          	mov    %fs:0x0(%rbp),%edx
-    c66b:	85 d2                	test   %edx,%edx
-    c66d:	0f 84 e2 00 00 00    	je     c755 <do_execve+0x2eb>
-    c673:	ba 00 00 00 00       	mov    $0x0,%edx
-    c678:	42                   	rex.X
-    c679:	64 8b 08             	mov    %fs:(%rax),%ecx
-    c67c:	8d 40 04             	lea    0x4(%rax),%eax
-    c67f:	85 c9                	test   %ecx,%ecx
-    c681:	75 f5                	jne    c678 <do_execve+0x20e>
-    c683:	89 54 24 0c          	mov    %edx,0xc(%rsp)
-    c687:	83 ec 0c             	sub    $0xc,%esp
-    c68a:	68 fc ff 01 00       	pushq  $0x1fffc
-    c68f:	8d 4c 24 4c          	lea    0x4c(%rsp),%ecx
-    c693:	89 ea                	mov    %ebp,%edx
-    c695:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    c699:	e8 4e fa ff ff       	callq  c0ec <sys_fstat+0x46>
-    c69e:	89 04 24             	mov    %eax,(%rsp)
-    c6a1:	8d 4c 24 4c          	lea    0x4c(%rsp),%ecx
-    c6a5:	89 fa                	mov    %edi,%edx
-    c6a7:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    c6ab:	e8 3c fa ff ff       	callq  c0ec <sys_fstat+0x46>
-    c6b0:	89 c5                	mov    %eax,%ebp
-    c6b2:	83 c4 10             	add    $0x10,%esp
-    c6b5:	85 c0                	test   %eax,%eax
-    c6b7:	0f 84 a5 00 00 00    	je     c762 <do_execve+0x2f8>
-    c6bd:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 1f3c3 <end+0x51bb>
-    c6c3:	8d 42 14             	lea    0x14(%rdx),%eax
-    c6c6:	81 c2 94 00 00 00    	add    $0x94,%edx
-    c6cc:	c7 00 00 00 00 00    	movl   $0x0,(%rax)
-    c6d2:	83 c0 04             	add    $0x4,%eax
-    c6d5:	39 d0                	cmp    %edx,%eax
-    c6d7:	75 f3                	jne    c6cc <do_execve+0x262>
-    c6d9:	bb 00 00 00 00       	mov    $0x0,%ebx
-    c6de:	e9 b6 00 00 00       	jmpq   c799 <do_execve+0x32f>
-    c6e3:	83 ec 0c             	sub    $0xc,%esp
-    c6e6:	ff 74 24 10          	pushq  0x10(%rsp)
-    c6ea:	e8 37 e6 ff ff       	callq  ad26 <iput>
-    c6ef:	83 c4 10             	add    $0x10,%esp
-    c6f2:	b8 f8 ff ff ff       	mov    $0xfffffff8,%eax
-    c6f7:	e9 52 03 00 00       	jmpq   ca4e <do_execve+0x5e4>
-    c6fc:	83 ec 0c             	sub    $0xc,%esp
-    c6ff:	ff 74 24 10          	pushq  0x10(%rsp)
-    c703:	e8 1e e6 ff ff       	callq  ad26 <iput>
-    c708:	83 c4 10             	add    $0x10,%esp
-    c70b:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    c710:	e9 39 03 00 00       	jmpq   ca4e <do_execve+0x5e4>
-    c715:	83 ec 0c             	sub    $0xc,%esp
-    c718:	ff 74 24 10          	pushq  0x10(%rsp)
-    c71c:	e8 05 e6 ff ff       	callq  ad26 <iput>
-    c721:	83 c4 10             	add    $0x10,%esp
-    c724:	b8 f8 ff ff ff       	mov    $0xfffffff8,%eax
-    c729:	e9 20 03 00 00       	jmpq   ca4e <do_execve+0x5e4>
-    c72e:	c7 44 24 10 00 00 00 	movl   $0x0,0x10(%rsp)
-    c735:	00 
-    c736:	e9 21 ff ff ff       	jmpq   c65c <do_execve+0x1f2>
-    c73b:	c7 44 24 10 00 00 00 	movl   $0x0,0x10(%rsp)
-    c742:	00 
-    c743:	e9 14 ff ff ff       	jmpq   c65c <do_execve+0x1f2>
-    c748:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    c74f:	00 
-    c750:	e9 32 ff ff ff       	jmpq   c687 <do_execve+0x21d>
-    c755:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    c75c:	00 
-    c75d:	e9 25 ff ff ff       	jmpq   c687 <do_execve+0x21d>
-    c762:	8b 74 24 2c          	mov    0x2c(%rsp),%esi
-    c766:	83 ec 0c             	sub    $0xc,%esp
-    c769:	ff 36                	pushq  (%rsi)
-    c76b:	e8 93 d3 ff ff       	callq  9b03 <free_page>
-    c770:	83 c6 04             	add    $0x4,%esi
-    c773:	83 c4 10             	add    $0x10,%esp
-    c776:	39 de                	cmp    %ebx,%esi
-    c778:	75 ec                	jne    c766 <do_execve+0x2fc>
-    c77a:	83 ec 0c             	sub    $0xc,%esp
-    c77d:	ff 74 24 10          	pushq  0x10(%rsp)
-    c781:	e8 a0 e5 ff ff       	callq  ad26 <iput>
-    c786:	83 c4 10             	add    $0x10,%esp
-    c789:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    c78e:	e9 bb 02 00 00       	jmpq   ca4e <do_execve+0x5e4>
-    c793:	43 83 fb 14          	rex.XB cmp $0x14,%r11d
-    c797:	74 21                	je     c7ba <do_execve+0x350>
-    c799:	a1 00 2d 01 00 8b 80 	movabs 0xf4808b00012d00,%eax
-    c7a0:	f4 00 
-    c7a2:	00 00                	add    %al,(%rax)
-    c7a4:	88 d9                	mov    %bl,%cl
-    c7a6:	d3 e8                	shr    %cl,%eax
-    c7a8:	a8 01                	test   $0x1,%al
-    c7aa:	74 e7                	je     c793 <do_execve+0x329>
-    c7ac:	83 ec 0c             	sub    $0xc,%esp
-    c7af:	53                   	push   %rbx
-    c7b0:	e8 e4 dc ff ff       	callq  a499 <sys_close>
-    c7b5:	83 c4 10             	add    $0x10,%esp
-    c7b8:	eb d9                	jmp    c793 <do_execve+0x329>
-    c7ba:	a1 00 2d 01 00 c7 80 	movabs 0xf480c700012d00,%eax
-    c7c1:	f4 00 
-    c7c3:	00 00                	add    %al,(%rax)
-    c7c5:	00 00                	add    %al,(%rax)
-    c7c7:	00 00                	add    %al,(%rax)
-    c7c9:	b9 0f 00 00 00       	mov    $0xf,%ecx
-    c7ce:	0f 03 c9             	lsl    %cx,%ecx
-    c7d1:	41 8a b0 57 01 00 00 	mov    0x157(%r8),%sil
-    c7d8:	8a 90 54 01 00 00    	mov    0x154(%rax),%dl
-    c7de:	c1 e2 10             	shl    $0x10,%edx
-    c7e1:	66 8b 90 52 01 00 00 	mov    0x152(%rax),%dx
-    c7e8:	83 ec 08             	sub    $0x8,%esp
-    c7eb:	51                   	push   %rcx
-    c7ec:	52                   	push   %rdx
-    c7ed:	e8 71 d3 ff ff       	callq  9b63 <free_page_tables>
-    c7f2:	b8 17 00 00 00       	mov    $0x17,%eax
-    c7f7:	0f 03 c0             	lsl    %ax,%eax
-    c7fa:	40 8b 15 00 2d 01 00 	rex mov 0x12d00(%rip),%edx        # 1f501 <end+0x52f9>
-    c801:	8a b2 5f 01 00 00    	mov    0x15f(%rdx),%dh
-    c807:	8a 92 5c 01 00 00    	mov    0x15c(%rdx),%dl
-    c80d:	c1 e2 10             	shl    $0x10,%edx
-    c810:	66 8b 92 5a 01 00 00 	mov    0x15a(%rdx),%dx
-    c817:	83 c4 08             	add    $0x8,%esp
-    c81a:	50                   	push   %rax
-    c81b:	52                   	push   %rdx
-    c81c:	e8 42 d3 ff ff       	callq  9b63 <free_page_tables>
-    c821:	a1 00 2d 01 00 83 c4 	movabs 0x3910c48300012d00,%eax
-    c828:	10 39 
-    c82a:	05 00 69 01 00       	add    $0x16900,%eax
-    c82f:	0f 84 b9 00 00 00    	je     c8ee <do_execve+0x484>
-    c835:	66 c7 80 e0 00 00 00 	movw   $0x0,0xe0(%rax)
-    c83c:	00 00 
-    c83e:	8b 7c 24 08          	mov    0x8(%rsp),%edi
-    c842:	8d 8f ff 0f 00 00    	lea    0xfff(%rdi),%ecx
-    c848:	8a b0 57 01 00 00    	mov    0x157(%rax),%dh
-    c84e:	8a 90 54 01 00 00    	mov    0x154(%rax),%dl
-    c854:	c1 e2 10             	shl    $0x10,%edx
-    c857:	66 8b 90 52 01 00 00 	mov    0x152(%rax),%dx
-    c85e:	89 d7                	mov    %edx,%edi
-    c860:	66 89 90 52 01 00 00 	mov    %dx,0x152(%rax)
-    c867:	c1 ca 10             	ror    $0x10,%edx
-    c86a:	88 90 54 01 00 00    	mov    %dl,0x154(%rax)
-    c870:	88 b0 57 01 00 00    	mov    %dh,0x157(%rax)
-    c876:	81 e1 00 f0 ff ff    	and    $0xfffff000,%ecx
-    c87c:	8d 51 ff             	lea    -0x1(%rcx),%edx
-    c87f:	c1 ea 0c             	shr    $0xc,%edx
-    c882:	66 89 90 50 01 00 00 	mov    %dx,0x150(%rax)
-    c889:	c1 ca 10             	ror    $0x10,%edx
-    c88c:	8a b0 56 01 00 00    	mov    0x156(%rax),%dh
-    c892:	80 e6 f0             	and    $0xf0,%dh
-    c895:	08 f2                	or     %dh,%dl
-    c897:	88 90 56 01 00 00    	mov    %dl,0x156(%rax)
-    c89d:	89 fa                	mov    %edi,%edx
-    c89f:	66 89 90 5a 01 00 00 	mov    %dx,0x15a(%rax)
-    c8a6:	c1 ca 10             	ror    $0x10,%edx
-    c8a9:	88 90 5c 01 00 00    	mov    %dl,0x15c(%rax)
-    c8af:	88 b0 5f 01 00 00    	mov    %dh,0x15f(%rax)
-    c8b5:	ba ff 3f 00 00       	mov    $0x3fff,%edx
-    c8ba:	66 89 90 58 01 00 00 	mov    %dx,0x158(%rax)
-    c8c1:	c1 ca 10             	ror    $0x10,%edx
-    c8c4:	8a b0 5e 01 00 00    	mov    0x15e(%rax),%dh
-    c8ca:	80 e6 f0             	and    $0xf0,%dh
-    c8cd:	08 f2                	or     %dh,%dl
-    c8cf:	88 90 5e 01 00 00    	mov    %dl,0x15e(%rax)
-    c8d5:	6a 17                	pushq  $0x17
-    c8d7:	0f a1                	popq   %fs
-    c8d9:	8d 9f 00 00 00 04    	lea    0x4000000(%rdi),%ebx
-    c8df:	8d b4 24 b8 00 00 00 	lea    0xb8(%rsp),%esi
-    c8e6:	81 c7 00 00 fe 03    	add    $0x3fe0000,%edi
-    c8ec:	eb 16                	jmp    c904 <do_execve+0x49a>
-    c8ee:	c7 05 00 69 01 00 00 	movl   $0x0,0x16900(%rip)        # 231f8 <end+0x8ff0>
-    c8f5:	00 00 00 
-    c8f8:	e9 38 ff ff ff       	jmpq   c835 <do_execve+0x3cb>
-    c8fd:	83 ee 04             	sub    $0x4,%esi
-    c900:	39 fb                	cmp    %edi,%ebx
-    c902:	74 1b                	je     c91f <do_execve+0x4b5>
-    c904:	81 eb 00 10 00 00    	sub    $0x1000,%ebx
-    c90a:	8b 06                	mov    (%rsi),%eax
-    c90c:	85 c0                	test   %eax,%eax
-    c90e:	74 ed                	je     c8fd <do_execve+0x493>
-    c910:	83 ec 08             	sub    $0x8,%esp
-    c913:	53                   	push   %rbx
-    c914:	50                   	push   %rax
-    c915:	e8 26 d4 ff ff       	callq  9d40 <put_page>
-    c91a:	83 c4 10             	add    $0x10,%esp
-    c91d:	eb de                	jmp    c8fd <do_execve+0x493>
-    c91f:	8d 95 00 00 fe 03    	lea    0x3fe0000(%rbp),%edx
-    c925:	89 d0                	mov    %edx,%eax
-    c927:	83 e2 fc             	and    $0xfffffffc,%edx
-    c92a:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    c92e:	89 cb                	mov    %ecx,%ebx
-    c930:	f7 d1                	not    %ecx
-    c932:	8d 0c 8a             	lea    (%rdx,%rcx,4),%ecx
-    c935:	89 4c 24 18          	mov    %ecx,0x18(%rsp)
-    c939:	8b 7c 24 10          	mov    0x10(%rsp),%edi
-    c93d:	89 fe                	mov    %edi,%esi
-    c93f:	89 fa                	mov    %edi,%edx
-    c941:	f7 d2                	not    %edx
-    c943:	8d 2c 91             	lea    (%rcx,%rdx,4),%ebp
-    c946:	64 89 4d fc          	mov    %ecx,%fs:-0x4(%rbp)
-    c94a:	64 89 6d f8          	mov    %ebp,%fs:-0x8(%rbp)
-    c94e:	8d 4d f4             	lea    -0xc(%rbp),%ecx
-    c951:	89 4c 24 1c          	mov    %ecx,0x1c(%rsp)
-    c955:	64 89 7d f4          	mov    %edi,%fs:-0xc(%rbp)
-    c959:	89 e9                	mov    %ebp,%ecx
-    c95b:	eb 15                	jmp    c972 <do_execve+0x508>
-    c95d:	8d 79 04             	lea    0x4(%rcx),%edi
-    c960:	64 89 01             	mov    %eax,%fs:(%rcx)
-    c963:	8d 50 01             	lea    0x1(%rax),%edx
-    c966:	64 8a 08             	mov    %fs:(%rax),%cl
-    c969:	89 d0                	mov    %edx,%eax
-    c96b:	84 c9                	test   %cl,%cl
-    c96d:	75 f4                	jne    c963 <do_execve+0x4f9>
-    c96f:	4e 89 f9             	rex.WRX mov %r15,%rcx
-    c972:	85 f6                	test   %esi,%esi
-    c974:	7f e7                	jg     c95d <do_execve+0x4f3>
-    c976:	8b 7c 24 10          	mov    0x10(%rsp),%edi
-    c97a:	89 fa                	mov    %edi,%edx
-    c97c:	85 ff                	test   %edi,%edi
-    c97e:	78 10                	js     c990 <do_execve+0x526>
-    c980:	b9 00 00 00 00       	mov    $0x0,%ecx
-    c985:	64 89 4c 95 00       	mov    %ecx,%fs:0x0(%rbp,%rdx,4)
-    c98a:	8b 4c 24 18          	mov    0x18(%rsp),%ecx
-    c98e:	eb 1c                	jmp    c9ac <do_execve+0x542>
-    c990:	ba 00 00 00 00       	mov    $0x0,%edx
-    c995:	eb e9                	jmp    c980 <do_execve+0x516>
-    c997:	8d 71 04             	lea    0x4(%rcx),%esi
-    c99a:	64 89 01             	mov    %eax,%fs:(%rcx)
-    c99d:	8d 50 01             	lea    0x1(%rax),%edx
-    c9a0:	64 8a 08             	mov    %fs:(%rax),%cl
-    c9a3:	89 d0                	mov    %edx,%eax
-    c9a5:	84 c9                	test   %cl,%cl
-    c9a7:	75 f4                	jne    c99d <do_execve+0x533>
-    c9a9:	4b 89 f1             	rex.WXB mov %rsi,%r9
-    c9ac:	85 db                	test   %ebx,%ebx
-    c9ae:	7f e7                	jg     c997 <do_execve+0x52d>
-    c9b0:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    c9b4:	89 f8                	mov    %edi,%eax
-    c9b6:	85 ff                	test   %edi,%edi
-    c9b8:	0f 88 ab 00 00 00    	js     ca69 <do_execve+0x5ff>
-    c9be:	ba 00 00 00 00       	mov    $0x0,%edx
-    c9c3:	8b 7c 24 18          	mov    0x18(%rsp),%edi
-    c9c7:	64 89 14 87          	mov    %edx,%fs:(%rdi,%rax,4)
-    c9cb:	a1 00 2d 01 00 8b 7c 	movabs 0x8247c8b00012d00,%eax
-    c9d2:	24 08 
-    c9d4:	89 b8 98 00 00 00    	mov    %edi,0x98(%rax)
-    c9da:	8b 7c 24 14          	mov    0x14(%rsp),%edi
-    c9de:	89 b8 9c 00 00 00    	mov    %edi,0x9c(%rax)
-    c9e4:	8b 74 24 28          	mov    0x28(%rsp),%esi
-    c9e8:	89 b0 a0 00 00 00    	mov    %esi,0xa0(%rax)
-    c9ee:	8b 54 24 1c          	mov    0x1c(%rsp),%edx
-    c9f2:	81 e2 00 f0 ff ff    	and    $0xfffff000,%edx
-    c9f8:	89 90 a4 00 00 00    	mov    %edx,0xa4(%rax)
-    c9fe:	89 fb                	mov    %edi,%ebx
-    ca00:	83 ec 08             	sub    $0x8,%esp
-    ca03:	57                   	push   %rdi
-    ca04:	8b 7c 24 10          	mov    0x10(%rsp),%edi
-    ca08:	57                   	push   %rdi
-    ca09:	e8 55 f9 ff ff       	callq  c363 <read_area>
-    ca0e:	89 c6                	mov    %eax,%esi
-    ca10:	89 3c 24             	mov    %edi,(%rsp)
-    ca13:	e8 0e e3 ff ff       	callq  ad26 <iput>
-    ca18:	83 c4 10             	add    $0x10,%esp
-    ca1b:	85 f6                	test   %esi,%esi
-    ca1d:	78 54                	js     ca73 <do_execve+0x609>
-    ca1f:	f7 44 24 14 ff 0f 00 	testl  $0xfff,0x14(%rsp)
-    ca26:	00 
-    ca27:	74 0f                	je     ca38 <do_execve+0x5ce>
-    ca29:	b0 00                	mov    $0x0,%al
-    ca2b:	43                   	rex.XB
-    ca2c:	64 88 43 ff          	mov    %al,%fs:-0x1(%rbx)
-    ca30:	f7 c3 ff 0f 00 00    	test   $0xfff,%ebx
-    ca36:	75 f3                	jne    ca2b <do_execve+0x5c1>
-    ca38:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    ca3c:	8b 7c 24 24          	mov    0x24(%rsp),%edi
-    ca40:	89 38                	mov    %edi,(%rax)
-    ca42:	8b 7c 24 1c          	mov    0x1c(%rsp),%edi
-    ca46:	89 78 0c             	mov    %edi,0xc(%rax)
-    ca49:	b8 00 00 00 00       	mov    $0x0,%eax
-    ca4e:	8b bc 24 bc 00 00 00 	mov    0xbc(%rsp),%edi
-    ca55:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # ca70 <do_execve+0x606>
-    ca5c:	75 2b                	jne    ca89 <do_execve+0x61f>
-    ca5e:	81 c4 cc 00 00 00    	add    $0xcc,%esp
-    ca64:	5b                   	pop    %rbx
-    ca65:	5e                   	pop    %rsi
-    ca66:	5f                   	pop    %rdi
-    ca67:	5d                   	pop    %rbp
-    ca68:	c3                   	retq   
-    ca69:	b8 00 00 00 00       	mov    $0x0,%eax
-    ca6e:	e9 4b ff ff ff       	jmpq   c9be <do_execve+0x554>
-    ca73:	83 ec 0c             	sub    $0xc,%esp
-    ca76:	6a ff                	pushq  $0xffffffffffffffff
-    ca78:	e8 95 cd ff ff       	callq  9812 <sys_exit>
-    ca7d:	83 c4 10             	add    $0x10,%esp
-    ca80:	eb 9d                	jmp    ca1f <do_execve+0x5b5>
-    ca82:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    ca87:	eb c5                	jmp    ca4e <do_execve+0x5e4>
-    ca89:	e8 18 9a ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000ca8e <read_pipe>:
-    ca8e:	56                   	push   %rsi
-    ca8f:	53                   	push   %rbx
-    ca90:	83 ec 04             	sub    $0x4,%esp
-    ca93:	8b 5c 24 10          	mov    0x10(%rsp),%ebx
-    ca97:	8b 43 12             	mov    0x12(%rbx),%eax
-    ca9a:	39 43 0e             	cmp    %eax,0xe(%rbx)
-    ca9d:	75 2a                	jne    cac9 <read_pipe+0x3b>
-    ca9f:	8d 73 20             	lea    0x20(%rbx),%esi
-    caa2:	83 ec 0c             	sub    $0xc,%esp
-    caa5:	56                   	push   %rsi
-    caa6:	e8 79 8c ff ff       	callq  5724 <wake_up>
-    caab:	83 c4 10             	add    $0x10,%esp
-    caae:	66 83 7b 30 02       	cmpw   $0x2,0x30(%rbx)
-    cab3:	75 64                	jne    cb19 <read_pipe+0x8b>
-    cab5:	83 ec 0c             	sub    $0xc,%esp
-    cab8:	56                   	push   %rsi
-    cab9:	e8 a2 8b ff ff       	callq  5660 <sleep_on>
-    cabe:	8b 43 12             	mov    0x12(%rbx),%eax
-    cac1:	83 c4 10             	add    $0x10,%esp
-    cac4:	39 43 0e             	cmp    %eax,0xe(%rbx)
-    cac7:	74 d9                	je     caa2 <read_pipe+0x14>
-    cac9:	83 7c 24 18 00       	cmpl   $0x0,0x18(%rsp)
-    cace:	7e 43                	jle    cb13 <read_pipe+0x85>
-    cad0:	8b 53 04             	mov    0x4(%rbx),%edx
-    cad3:	8a 0c 02             	mov    (%rdx,%rax,1),%cl
-    cad6:	8b 74 24 14          	mov    0x14(%rsp),%esi
-    cada:	03 74 24 18          	add    0x18(%rsp),%esi
-    cade:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    cae2:	8d 42 01             	lea    0x1(%rdx),%eax
-    cae5:	64 88 0a             	mov    %cl,%fs:(%rdx)
-    cae8:	ff 43 12             	incl   0x12(%rbx)
-    caeb:	81 63 12 ff 0f 00 00 	andl   $0xfff,0x12(%rbx)
-    caf2:	89 c2                	mov    %eax,%edx
-    caf4:	39 f0                	cmp    %esi,%eax
-    caf6:	75 ea                	jne    cae2 <read_pipe+0x54>
-    caf8:	83 ec 0c             	sub    $0xc,%esp
-    cafb:	83 c3 20             	add    $0x20,%ebx
-    cafe:	53                   	push   %rbx
-    caff:	e8 20 8c ff ff       	callq  5724 <wake_up>
-    cb04:	89 f0                	mov    %esi,%eax
-    cb06:	2b 44 24 24          	sub    0x24(%rsp),%eax
-    cb0a:	83 c4 10             	add    $0x10,%esp
-    cb0d:	83 c4 04             	add    $0x4,%esp
-    cb10:	5b                   	pop    %rbx
-    cb11:	5e                   	pop    %rsi
-    cb12:	c3                   	retq   
-    cb13:	8b 74 24 14          	mov    0x14(%rsp),%esi
-    cb17:	eb df                	jmp    caf8 <read_pipe+0x6a>
-    cb19:	b8 00 00 00 00       	mov    $0x0,%eax
-    cb1e:	eb ed                	jmp    cb0d <read_pipe+0x7f>
-
-000000000000cb20 <write_pipe>:
-    cb20:	55                   	push   %rbp
-    cb21:	57                   	push   %rdi
-    cb22:	56                   	push   %rsi
-    cb23:	53                   	push   %rbx
-    cb24:	83 ec 28             	sub    $0x28,%esp
-    cb27:	8b 5c 24 3c          	mov    0x3c(%rsp),%ebx
-    cb2b:	8b 7c 24 44          	mov    0x44(%rsp),%edi
-    cb2f:	8d 73 20             	lea    0x20(%rbx),%esi
-    cb32:	56                   	push   %rsi
-    cb33:	e8 ec 8b ff ff       	callq  5724 <wake_up>
-    cb38:	83 c4 10             	add    $0x10,%esp
-    cb3b:	66 83 7b 30 02       	cmpw   $0x2,0x30(%rbx)
-    cb40:	0f 85 87 00 00 00    	jne    cbcd <write_pipe+0xad>
-    cb46:	85 ff                	test   %edi,%edi
-    cb48:	0f 8e ac 00 00 00    	jle    cbfa <write_pipe+0xda>
-    cb4e:	03 7c 24 34          	add    0x34(%rsp),%edi
-    cb52:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
-    cb56:	8b 7c 24 34          	mov    0x34(%rsp),%edi
-    cb5a:	8b 53 0e             	mov    0xe(%rbx),%edx
-    cb5d:	89 d0                	mov    %edx,%eax
-    cb5f:	2b 43 12             	sub    0x12(%rbx),%eax
-    cb62:	25 ff 0f 00 00       	and    $0xfff,%eax
-    cb67:	3d ff 0f 00 00       	cmp    $0xfff,%eax
-    cb6c:	75 33                	jne    cba1 <write_pipe+0x81>
-    cb6e:	83 ec 0c             	sub    $0xc,%esp
-    cb71:	56                   	push   %rsi
-    cb72:	e8 ad 8b ff ff       	callq  5724 <wake_up>
-    cb77:	83 c4 10             	add    $0x10,%esp
-    cb7a:	66 83 7b 30 02       	cmpw   $0x2,0x30(%rbx)
-    cb7f:	75 5f                	jne    cbe0 <write_pipe+0xc0>
-    cb81:	83 ec 0c             	sub    $0xc,%esp
-    cb84:	56                   	push   %rsi
-    cb85:	e8 d6 8a ff ff       	callq  5660 <sleep_on>
-    cb8a:	8b 53 0e             	mov    0xe(%rbx),%edx
-    cb8d:	89 d0                	mov    %edx,%eax
-    cb8f:	2b 43 12             	sub    0x12(%rbx),%eax
-    cb92:	25 ff 0f 00 00       	and    $0xfff,%eax
-    cb97:	83 c4 10             	add    $0x10,%esp
-    cb9a:	3d ff 0f 00 00       	cmp    $0xfff,%eax
-    cb9f:	74 cd                	je     cb6e <write_pipe+0x4e>
-    cba1:	8d 6f 01             	lea    0x1(%rdi),%ebp
-    cba4:	64 8a 0f             	mov    %fs:(%rdi),%cl
-    cba7:	8b 43 04             	mov    0x4(%rbx),%eax
-    cbaa:	88 0c 10             	mov    %cl,(%rax,%rdx,1)
-    cbad:	ff 43 0e             	incl   0xe(%rbx)
-    cbb0:	81 63 0e ff 0f 00 00 	andl   $0xfff,0xe(%rbx)
-    cbb7:	83 ec 0c             	sub    $0xc,%esp
-    cbba:	56                   	push   %rsi
-    cbbb:	e8 64 8b ff ff       	callq  5724 <wake_up>
-    cbc0:	83 c4 10             	add    $0x10,%esp
-    cbc3:	39 6c 24 0c          	cmp    %ebp,0xc(%rsp)
-    cbc7:	74 35                	je     cbfe <write_pipe+0xde>
-    cbc9:	89 ef                	mov    %ebp,%edi
-    cbcb:	eb 8d                	jmp    cb5a <write_pipe+0x3a>
-    cbcd:	a1 00 2d 01 00 81 48 	movabs 0xc488100012d00,%eax
-    cbd4:	0c 00 
-    cbd6:	10 00                	adc    %al,(%rax)
-    cbd8:	00 b8 ff ff ff ff    	add    %bh,-0x1(%rax)
-    cbde:	eb 12                	jmp    cbf2 <write_pipe+0xd2>
-    cbe0:	a1 00 2d 01 00 81 48 	movabs 0xc488100012d00,%eax
-    cbe7:	0c 00 
-    cbe9:	10 00                	adc    %al,(%rax)
-    cbeb:	00 89 f8 2b 44 24    	add    %cl,0x24442bf8(%rcx)
-    cbf1:	34 83                	xor    $0x83,%al
-    cbf3:	c4                   	(bad)  
-    cbf4:	1c 5b                	sbb    $0x5b,%al
-    cbf6:	5e                   	pop    %rsi
-    cbf7:	5f                   	pop    %rdi
-    cbf8:	5d                   	pop    %rbp
-    cbf9:	c3                   	retq   
-    cbfa:	8b 6c 24 34          	mov    0x34(%rsp),%ebp
-    cbfe:	83 ec 0c             	sub    $0xc,%esp
-    cc01:	56                   	push   %rsi
-    cc02:	e8 1d 8b ff ff       	callq  5724 <wake_up>
-    cc07:	89 e8                	mov    %ebp,%eax
-    cc09:	2b 44 24 44          	sub    0x44(%rsp),%eax
-    cc0d:	83 c4 10             	add    $0x10,%esp
-    cc10:	eb e0                	jmp    cbf2 <write_pipe+0xd2>
-
-000000000000cc12 <sys_pipe>:
-    cc12:	56                   	push   %rsi
-    cc13:	53                   	push   %rbx
-    cc14:	83 ec 24             	sub    $0x24,%esp
-    cc17:	8b 5c 24 30          	mov    0x30(%rsp),%ebx
-    cc1b:	65 a1 14 00 00 00 89 	movabs %gs:0x1c24448900000014,%eax
-    cc22:	44 24 1c 
-    cc25:	31 c0                	xor    %eax,%eax
-    cc27:	b8 00 9e 01 00       	mov    $0x19e00,%eax
-    cc2c:	b9 00 a2 01 00       	mov    $0x1a200,%ecx
-    cc31:	ba 00 00 00 00       	mov    $0x0,%edx
-    cc36:	eb 10                	jmp    cc48 <sys_pipe+0x36>
-    cc38:	83 fa 01             	cmp    $0x1,%edx
-    cc3b:	7f 21                	jg     cc5e <sys_pipe+0x4c>
-    cc3d:	83 c0 10             	add    $0x10,%eax
-    cc40:	39 c8                	cmp    %ecx,%eax
-    cc42:	0f 84 eb 00 00 00    	je     cd33 <sys_pipe+0x121>
-    cc48:	66 83 78 04 00       	cmpw   $0x0,0x4(%rax)
-    cc4d:	75 e9                	jne    cc38 <sys_pipe+0x26>
-    cc4f:	89 44 94 0c          	mov    %eax,0xc(%rsp,%rdx,4)
-    cc53:	66 c7 40 04 01 00    	movw   $0x1,0x4(%rax)
-    cc59:	8d 52 01             	lea    0x1(%rdx),%edx
-    cc5c:	eb da                	jmp    cc38 <sys_pipe+0x26>
-    cc5e:	8b 0d 00 2d 01 00    	mov    0x12d00(%rip),%ecx        # 1f964 <end+0x575c>
-    cc64:	ba 00 00 00 00       	mov    $0x0,%edx
-    cc69:	b8 00 00 00 00       	mov    $0x0,%eax
-    cc6e:	eb 0f                	jmp    cc7f <sys_pipe+0x6d>
-    cc70:	40 83 fa 01          	rex cmp $0x1,%edx
-    cc74:	7f 25                	jg     cc9b <sys_pipe+0x89>
-    cc76:	83 f8 14             	cmp    $0x14,%eax
-    cc79:	0f 84 d1 00 00 00    	je     cd50 <sys_pipe+0x13e>
-    cc7f:	83 bc 81 f8 00 00 00 	cmpl   $0x0,0xf8(%rcx,%rax,4)
-    cc86:	00 
-    cc87:	75 e7                	jne    cc70 <sys_pipe+0x5e>
-    cc89:	89 44 94 14          	mov    %eax,0x14(%rsp,%rdx,4)
-    cc8d:	8b 74 94 0c          	mov    0xc(%rsp,%rdx,4),%esi
-    cc91:	89 b4 81 f8 00 00 00 	mov    %esi,0xf8(%rcx,%rax,4)
-    cc98:	42 eb d5             	rex.X jmp cc70 <sys_pipe+0x5e>
-    cc9b:	e8 91 e2 ff ff       	callq  af31 <get_pipe_inode>
-    cca0:	85 c0                	test   %eax,%eax
-    cca2:	74 51                	je     ccf5 <sys_pipe+0xe3>
-    cca4:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    cca8:	89 42 08             	mov    %eax,0x8(%rdx)
-    ccab:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    ccaf:	89 41 08             	mov    %eax,0x8(%rcx)
-    ccb2:	c7 42 0c 00 00 00 00 	movl   $0x0,0xc(%rdx)
-    ccb9:	c7 41 0c 00 00 00 00 	movl   $0x0,0xc(%rcx)
-    ccc0:	66 c7 01 01 00       	movw   $0x1,(%rcx)
-    ccc5:	66 c7 02 02 00       	movw   $0x2,(%rdx)
-    ccca:	8b 44 24 14          	mov    0x14(%rsp),%eax
-    ccce:	64 89 03             	mov    %eax,%fs:(%rbx)
-    ccd1:	8b 44 24 18          	mov    0x18(%rsp),%eax
-    ccd5:	64 89 43 04          	mov    %eax,%fs:0x4(%rbx)
-    ccd9:	b8 00 00 00 00       	mov    $0x0,%eax
-    ccde:	8b 5c 24 1c          	mov    0x1c(%rsp),%ebx
-    cce2:	65 33 1d 14 00 00 00 	xor    %gs:0x14(%rip),%ebx        # ccfd <sys_pipe+0xeb>
-    cce9:	0f 85 98 00 00 00    	jne    cd87 <sys_pipe+0x175>
-    ccef:	83 c4 24             	add    $0x24,%esp
-    ccf2:	5b                   	pop    %rbx
-    ccf3:	5e                   	pop    %rsi
-    ccf4:	c3                   	retq   
-    ccf5:	a1 00 2d 01 00 8b 54 	movabs 0x1824548b00012d00,%eax
-    ccfc:	24 18 
-    ccfe:	c7 84 90 f8 00 00 00 	movl   $0x0,0xf8(%rax,%rdx,4)
-    cd05:	00 00 00 00 
-    cd09:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    cd0d:	c7 84 90 f8 00 00 00 	movl   $0x0,0xf8(%rax,%rdx,4)
-    cd14:	00 00 00 00 
-    cd18:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    cd1c:	66 c7 40 04 00 00    	movw   $0x0,0x4(%rax)
-    cd22:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    cd26:	66 c7 40 04 00 00    	movw   $0x0,0x4(%rax)
-    cd2c:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    cd31:	eb ab                	jmp    ccde <sys_pipe+0xcc>
-    cd33:	83 fa 01             	cmp    $0x1,%edx
-    cd36:	75 11                	jne    cd49 <sys_pipe+0x137>
-    cd38:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    cd3c:	66 c7 40 04 00 00    	movw   $0x0,0x4(%rax)
-    cd42:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    cd47:	eb 95                	jmp    ccde <sys_pipe+0xcc>
-    cd49:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    cd4e:	eb 8e                	jmp    ccde <sys_pipe+0xcc>
-    cd50:	83 fa 01             	cmp    $0x1,%edx
-    cd53:	75 14                	jne    cd69 <sys_pipe+0x157>
-    cd55:	a1 00 2d 01 00 8b 54 	movabs 0x1424548b00012d00,%eax
-    cd5c:	24 14 
-    cd5e:	c7 84 90 f8 00 00 00 	movl   $0x0,0xf8(%rax,%rdx,4)
-    cd65:	00 00 00 00 
-    cd69:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    cd6d:	66 c7 40 04 00 00    	movw   $0x0,0x4(%rax)
-    cd73:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    cd77:	66 c7 40 04 00 00    	movw   $0x0,0x4(%rax)
-    cd7d:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    cd82:	e9 57 ff ff ff       	jmpq   ccde <sys_pipe+0xcc>
-    cd87:	e8 1a 97 ff ff       	callq  64a6 <__stack_chk_fail>
-    cd8c:	66 83 78 2c 00       	cmpw   $0x0,0x2c(%rax)
-    cd91:	74 06                	je     cd99 <sys_pipe+0x187>
-    cd93:	80 78 0d 00          	cmpb   $0x0,0xd(%rax)
-    cd97:	74 6a                	je     ce03 <sys_pipe+0x1f1>
-    cd99:	55                   	push   %rbp
-    cd9a:	57                   	push   %rdi
-    cd9b:	56                   	push   %rsi
-    cd9c:	53                   	push   %rbx
-    cd9d:	8b 0d 00 2d 01 00    	mov    0x12d00(%rip),%ecx        # 1faa3 <end+0x589b>
-    cda3:	8b b1 bc 00 00 00    	mov    0xbc(%rcx),%esi
-    cda9:	66 85 f6             	test   %si,%si
-    cdac:	74 3d                	je     cdeb <sys_pipe+0x1d9>
-    cdae:	66 8b b9 be 00 00 00 	mov    0xbe(%rcx),%di
-    cdb5:	66 85 ff             	test   %di,%di
-    cdb8:	74 42                	je     cdfc <sys_pipe+0x1ea>
-    cdba:	0f b7 18             	movzwl (%rax),%ebx
-    cdbd:	66 8b 68 02          	mov    0x2(%rax),%bp
-    cdc1:	66 39 ee             	cmp    %bp,%si
-    cdc4:	74 20                	je     cde6 <sys_pipe+0x1d4>
-    cdc6:	66 39 ef             	cmp    %bp,%di
-    cdc9:	74 1b                	je     cde6 <sys_pipe+0x1d4>
-    cdcb:	0f b6 40 0c          	movzbl 0xc(%rax),%eax
-    cdcf:	66 39 81 c2 00 00 00 	cmp    %ax,0xc2(%rcx)
-    cdd6:	74 09                	je     cde1 <sys_pipe+0x1cf>
-    cdd8:	66 3b 81 c4 00 00 00 	cmp    0xc4(%rcx),%ax
-    cddf:	75 0f                	jne    cdf0 <sys_pipe+0x1de>
-    cde1:	c1 fb 03             	sar    $0x3,%ebx
-    cde4:	eb 0a                	jmp    cdf0 <sys_pipe+0x1de>
-    cde6:	c1 fb 06             	sar    $0x6,%ebx
-    cde9:	eb 05                	jmp    cdf0 <sys_pipe+0x1de>
-    cdeb:	bb ff 01 00 00       	mov    $0x1ff,%ebx
-    cdf0:	83 e2 07             	and    $0x7,%edx
-    cdf3:	89 d0                	mov    %edx,%eax
-    cdf5:	21 d8                	and    %ebx,%eax
-    cdf7:	5b                   	pop    %rbx
-    cdf8:	5e                   	pop    %rsi
-    cdf9:	5f                   	pop    %rdi
-    cdfa:	5d                   	pop    %rbp
-    cdfb:	c3                   	retq   
-    cdfc:	bb ff 01 00 00       	mov    $0x1ff,%ebx
-    ce01:	eb ed                	jmp    cdf0 <sys_pipe+0x1de>
-    ce03:	b8 00 00 00 00       	mov    $0x0,%eax
-    ce08:	c3                   	retq   
-    ce09:	55                   	push   %rbp
-    ce0a:	57                   	push   %rdi
-    ce0b:	56                   	push   %rsi
-    ce0c:	53                   	push   %rbx
-    ce0d:	83 ec 1c             	sub    $0x1c,%esp
-    ce10:	8b 78 04             	mov    0x4(%rax),%edi
-    ce13:	8b 74 24 30          	mov    0x30(%rsp),%esi
-    ce17:	c7 06 00 00 00 00    	movl   $0x0,(%rsi)
-    ce1d:	85 c9                	test   %ecx,%ecx
-    ce1f:	0f 84 12 01 00 00    	je     cf37 <sys_pipe+0x325>
-    ce25:	0f b7 58 0e          	movzwl 0xe(%rax),%ebx
-    ce29:	85 db                	test   %ebx,%ebx
-    ce2b:	0f 84 0d 01 00 00    	je     cf3e <sys_pipe+0x32c>
-    ce31:	89 cd                	mov    %ecx,%ebp
-    ce33:	89 4c 24 08          	mov    %ecx,0x8(%rsp)
-    ce37:	89 d6                	mov    %edx,%esi
-    ce39:	89 44 24 04          	mov    %eax,0x4(%rsp)
-    ce3d:	83 ec 08             	sub    $0x8,%esp
-    ce40:	53                   	push   %rbx
-    ce41:	0f b7 40 2c          	movzwl 0x2c(%rax),%eax
-    ce45:	50                   	push   %rax
-    ce46:	e8 ea e6 ff ff       	callq  b535 <bread>
-    ce4b:	89 c2                	mov    %eax,%edx
-    ce4d:	83 c4 10             	add    $0x10,%esp
-    ce50:	85 c0                	test   %eax,%eax
-    ce52:	0f 84 d5 00 00 00    	je     cf2d <sys_pipe+0x31b>
-    ce58:	8b 18                	mov    (%rax),%ebx
-    ce5a:	c1 ef 04             	shr    $0x4,%edi
-    ce5d:	89 3c 24             	mov    %edi,(%rsp)
-    ce60:	0f 84 b6 00 00 00    	je     cf1c <sys_pipe+0x30a>
-    ce66:	89 6c 24 0c          	mov    %ebp,0xc(%rsp)
-    ce6a:	83 fd 0e             	cmp    $0xe,%ebp
-    ce6d:	7e 08                	jle    ce77 <sys_pipe+0x265>
-    ce6f:	c7 44 24 0c 0e 00 00 	movl   $0xe,0xc(%rsp)
-    ce76:	00 
-    ce77:	bd 00 00 00 00       	mov    $0x0,%ebp
-    ce7c:	eb 6d                	jmp    ceeb <sys_pipe+0x2d9>
-    ce7e:	83 ec 0c             	sub    $0xc,%esp
-    ce81:	52                   	push   %rdx
-    ce82:	e8 26 e3 ff ff       	callq  b1ad <brelse>
-    ce87:	89 ef                	mov    %ebp,%edi
-    ce89:	83 c4 08             	add    $0x8,%esp
-    ce8c:	89 e8                	mov    %ebp,%eax
-    ce8e:	c1 e8 06             	shr    $0x6,%eax
-    ce91:	50                   	push   %rax
-    ce92:	ff 74 24 10          	pushq  0x10(%rsp)
-    ce96:	e8 59 de ff ff       	callq  acf4 <bmap>
-    ce9b:	83 c4 10             	add    $0x10,%esp
-    ce9e:	85 c0                	test   %eax,%eax
-    cea0:	74 1f                	je     cec1 <sys_pipe+0x2af>
-    cea2:	83 ec 08             	sub    $0x8,%esp
-    cea5:	50                   	push   %rax
-    cea6:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    ceaa:	0f b7 40 2c          	movzwl 0x2c(%rax),%eax
-    ceae:	50                   	push   %rax
-    ceaf:	e8 81 e6 ff ff       	callq  b535 <bread>
-    ceb4:	89 c2                	mov    %eax,%edx
-    ceb6:	83 c4 10             	add    $0x10,%esp
-    ceb9:	85 c0                	test   %eax,%eax
-    cebb:	74 04                	je     cec1 <sys_pipe+0x2af>
-    cebd:	8b 18                	mov    (%rax),%ebx
-    cebf:	eb 35                	jmp    cef6 <sys_pipe+0x2e4>
-    cec1:	8d 6f 40             	lea    0x40(%rdi),%ebp
-    cec4:	ba 00 00 00 00       	mov    $0x0,%edx
-    cec9:	eb 1b                	jmp    cee6 <sys_pipe+0x2d4>
-    cecb:	8d 7b 02             	lea    0x2(%rbx),%edi
-    cece:	b8 00 00 00 00       	mov    $0x0,%eax
-    ced3:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    ced7:	fc                   	cld    
-    ced8:	64 f3 a6             	repz cmpsb %es:(%rdi),%fs:(%rsi)
-    cedb:	0f 94 c0             	sete   %al
-    cede:	85 c0                	test   %eax,%eax
-    cee0:	75 32                	jne    cf14 <sys_pipe+0x302>
-    cee2:	83 c3 10             	add    $0x10,%ebx
-    cee5:	45 3b 2c 24          	cmp    (%r12),%r13d
-    cee9:	7d 31                	jge    cf1c <sys_pipe+0x30a>
-    ceeb:	8b 02                	mov    (%rdx),%eax
-    ceed:	05 00 04 00 00       	add    $0x400,%eax
-    cef2:	39 c3                	cmp    %eax,%ebx
-    cef4:	73 88                	jae    ce7e <sys_pipe+0x26c>
-    cef6:	85 db                	test   %ebx,%ebx
-    cef8:	74 e8                	je     cee2 <sys_pipe+0x2d0>
-    cefa:	66 83 3b 00          	cmpw   $0x0,(%rbx)
-    cefe:	74 e2                	je     cee2 <sys_pipe+0x2d0>
-    cf00:	83 7c 24 08 0d       	cmpl   $0xd,0x8(%rsp)
-    cf05:	7f c4                	jg     cecb <sys_pipe+0x2b9>
-    cf07:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    cf0b:	80 7c 03 02 00       	cmpb   $0x0,0x2(%rbx,%rax,1)
-    cf10:	74 b9                	je     cecb <sys_pipe+0x2b9>
-    cf12:	eb ce                	jmp    cee2 <sys_pipe+0x2d0>
-    cf14:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    cf18:	89 18                	mov    %ebx,(%rax)
-    cf1a:	eb 11                	jmp    cf2d <sys_pipe+0x31b>
-    cf1c:	83 ec 0c             	sub    $0xc,%esp
-    cf1f:	52                   	push   %rdx
-    cf20:	e8 88 e2 ff ff       	callq  b1ad <brelse>
-    cf25:	83 c4 10             	add    $0x10,%esp
-    cf28:	ba 00 00 00 00       	mov    $0x0,%edx
-    cf2d:	89 d0                	mov    %edx,%eax
-    cf2f:	83 c4 1c             	add    $0x1c,%esp
-    cf32:	5b                   	pop    %rbx
-    cf33:	5e                   	pop    %rsi
-    cf34:	5f                   	pop    %rdi
-    cf35:	5d                   	pop    %rbp
-    cf36:	c3                   	retq   
-    cf37:	ba 00 00 00 00       	mov    $0x0,%edx
-    cf3c:	eb ef                	jmp    cf2d <sys_pipe+0x31b>
-    cf3e:	ba 00 00 00 00       	mov    $0x0,%edx
-    cf43:	eb e8                	jmp    cf2d <sys_pipe+0x31b>
-    cf45:	55                   	push   %rbp
-    cf46:	57                   	push   %rdi
-    cf47:	56                   	push   %rsi
-    cf48:	53                   	push   %rbx
-    cf49:	83 ec 2c             	sub    $0x2c,%esp
-    cf4c:	89 c5                	mov    %eax,%ebp
-    cf4e:	89 54 24 08          	mov    %edx,0x8(%rsp)
-    cf52:	89 4c 24 0c          	mov    %ecx,0xc(%rsp)
-    cf56:	65 a1 14 00 00 00 89 	movabs %gs:0x1c24448900000014,%eax
-    cf5d:	44 24 1c 
-    cf60:	31 c0                	xor    %eax,%eax
-    cf62:	a1 00 2d 01 00 8b 80 	movabs 0xf0808b00012d00,%eax
-    cf69:	f0 00 
-    cf6b:	00 00                	add    %al,(%rax)
-    cf6d:	85 c0                	test   %eax,%eax
-    cf6f:	74 07                	je     cf78 <sys_pipe+0x366>
-    cf71:	66 83 78 30 00       	cmpw   $0x0,0x30(%rax)
-    cf76:	75 10                	jne    cf88 <sys_pipe+0x376>
-    cf78:	83 ec 0c             	sub    $0xc,%esp
-    cf7b:	68 fe f5 00 00       	pushq  $0xf5fe
-    cf80:	e8 fe 94 ff ff       	callq  6483 <panic>
-    cf85:	83 c4 10             	add    $0x10,%esp
-    cf88:	a1 00 2d 01 00 8b 80 	movabs 0xec808b00012d00,%eax
-    cf8f:	ec 00 
-    cf91:	00 00                	add    %al,(%rax)
-    cf93:	85 c0                	test   %eax,%eax
-    cf95:	74 07                	je     cf9e <sys_pipe+0x38c>
-    cf97:	66 83 78 30 00       	cmpw   $0x0,0x30(%rax)
-    cf9c:	75 10                	jne    cfae <sys_pipe+0x39c>
-    cf9e:	83 ec 0c             	sub    $0xc,%esp
-    cfa1:	68 0c f6 00 00       	pushq  $0xf60c
-    cfa6:	e8 d8 94 ff ff       	callq  6483 <panic>
-    cfab:	83 c4 10             	add    $0x10,%esp
-    cfae:	64 8a 45 00          	mov    %fs:0x0(%rbp),%al
-    cfb2:	3c 2f                	cmp    $0x2f,%al
-    cfb4:	74 1f                	je     cfd5 <sys_pipe+0x3c3>
-    cfb6:	84 c0                	test   %al,%al
-    cfb8:	0f 84 cd 00 00 00    	je     d08b <sys_pipe+0x479>
-    cfbe:	a1 00 2d 01 00 8b b0 	movabs 0xecb08b00012d00,%eax
-    cfc5:	ec 00 
-    cfc7:	00 00                	add    %al,(%rax)
-    cfc9:	89 ef                	mov    %ebp,%edi
-    cfcb:	66 ff 46 30          	incw   0x30(%rsi)
-    cfcf:	89 6c 24 04          	mov    %ebp,0x4(%rsp)
-    cfd3:	eb 64                	jmp    d039 <sys_pipe+0x427>
-    cfd5:	a1 00 2d 01 00 8b b0 	movabs 0xf0b08b00012d00,%eax
-    cfdc:	f0 00 
-    cfde:	00 00                	add    %al,(%rax)
-    cfe0:	8d 7d 01             	lea    0x1(%rbp),%edi
-    cfe3:	eb e6                	jmp    cfcb <sys_pipe+0x3b9>
-    cfe5:	89 c3                	mov    %eax,%ebx
-    cfe7:	b9 00 00 00 00       	mov    $0x0,%ecx
-    cfec:	83 ec 0c             	sub    $0xc,%esp
-    cfef:	8d 44 24 24          	lea    0x24(%rsp),%eax
-    cff3:	50                   	push   %rax
-    cff4:	89 fa                	mov    %edi,%edx
-    cff6:	89 f0                	mov    %esi,%eax
-    cff8:	e8 0c fe ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    cffd:	83 c4 10             	add    $0x10,%esp
-    d000:	85 c0                	test   %eax,%eax
-    d002:	0f 84 8a 00 00 00    	je     d092 <sys_pipe+0x480>
-    d008:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    d00c:	0f b7 2a             	movzwl (%rdx),%ebp
-    d00f:	0f b7 7e 2c          	movzwl 0x2c(%rsi),%edi
-    d013:	83 ec 0c             	sub    $0xc,%esp
-    d016:	50                   	push   %rax
-    d017:	e8 91 e1 ff ff       	callq  b1ad <brelse>
-    d01c:	89 34 24             	mov    %esi,(%rsp)
-    d01f:	e8 02 dd ff ff       	callq  ad26 <iput>
-    d024:	83 c4 08             	add    $0x8,%esp
-    d027:	55                   	push   %rbp
-    d028:	57                   	push   %rdi
-    d029:	e8 4a df ff ff       	callq  af78 <iget>
-    d02e:	89 c6                	mov    %eax,%esi
-    d030:	83 c4 10             	add    $0x10,%esp
-    d033:	85 c0                	test   %eax,%eax
-    d035:	74 54                	je     d08b <sys_pipe+0x479>
-    d037:	89 df                	mov    %ebx,%edi
-    d039:	8b 06                	mov    (%rsi),%eax
-    d03b:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    d040:	66 3d 00 40          	cmp    $0x4000,%ax
-    d044:	75 39                	jne    d07f <sys_pipe+0x46d>
-    d046:	ba 01 00 00 00       	mov    $0x1,%edx
-    d04b:	89 f0                	mov    %esi,%eax
-    d04d:	e8 3a fd ff ff       	callq  cd8c <sys_pipe+0x17a>
-    d052:	85 c0                	test   %eax,%eax
-    d054:	74 29                	je     d07f <sys_pipe+0x46d>
-    d056:	8d 47 01             	lea    0x1(%rdi),%eax
-    d059:	64 8a 17             	mov    %fs:(%rdi),%dl
-    d05c:	84 d2                	test   %dl,%dl
-    d05e:	74 40                	je     d0a0 <sys_pipe+0x48e>
-    d060:	80 fa 2f             	cmp    $0x2f,%dl
-    d063:	74 80                	je     cfe5 <sys_pipe+0x3d3>
-    d065:	89 c1                	mov    %eax,%ecx
-    d067:	29 f9                	sub    %edi,%ecx
-    d069:	8d 58 01             	lea    0x1(%rax),%ebx
-    d06c:	64 8a 10             	mov    %fs:(%rax),%dl
-    d06f:	84 d2                	test   %dl,%dl
-    d071:	74 33                	je     d0a6 <sys_pipe+0x494>
-    d073:	89 d8                	mov    %ebx,%eax
-    d075:	80 fa 2f             	cmp    $0x2f,%dl
-    d078:	75 eb                	jne    d065 <sys_pipe+0x453>
-    d07a:	e9 6d ff ff ff       	jmpq   cfec <sys_pipe+0x3da>
-    d07f:	83 ec 0c             	sub    $0xc,%esp
-    d082:	56                   	push   %rsi
-    d083:	e8 9e dc ff ff       	callq  ad26 <iput>
-    d088:	83 c4 10             	add    $0x10,%esp
-    d08b:	be 00 00 00 00       	mov    $0x0,%esi
-    d090:	eb 45                	jmp    d0d7 <sys_pipe+0x4c5>
-    d092:	83 ec 0c             	sub    $0xc,%esp
-    d095:	56                   	push   %rsi
-    d096:	e8 8b dc ff ff       	callq  ad26 <iput>
-    d09b:	83 c4 10             	add    $0x10,%esp
-    d09e:	eb eb                	jmp    d08b <sys_pipe+0x479>
-    d0a0:	8b 6c 24 04          	mov    0x4(%rsp),%ebp
-    d0a4:	eb 04                	jmp    d0aa <sys_pipe+0x498>
-    d0a6:	8b 6c 24 04          	mov    0x4(%rsp),%ebp
-    d0aa:	85 f6                	test   %esi,%esi
-    d0ac:	74 29                	je     d0d7 <sys_pipe+0x4c5>
-    d0ae:	89 ea                	mov    %ebp,%edx
-    d0b0:	eb 02                	jmp    d0b4 <sys_pipe+0x4a2>
-    d0b2:	89 c5                	mov    %eax,%ebp
-    d0b4:	8d 45 01             	lea    0x1(%rbp),%eax
-    d0b7:	64 8a 4d 00          	mov    %fs:0x0(%rbp),%cl
-    d0bb:	84 c9                	test   %cl,%cl
-    d0bd:	74 09                	je     d0c8 <sys_pipe+0x4b6>
-    d0bf:	80 f9 2f             	cmp    $0x2f,%cl
-    d0c2:	75 ee                	jne    d0b2 <sys_pipe+0x4a0>
-    d0c4:	89 c2                	mov    %eax,%edx
-    d0c6:	eb ea                	jmp    d0b2 <sys_pipe+0x4a0>
-    d0c8:	29 d0                	sub    %edx,%eax
-    d0ca:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
-    d0cf:	89 03                	mov    %eax,(%rbx)
-    d0d1:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    d0d5:	89 10                	mov    %edx,(%rax)
-    d0d7:	89 f0                	mov    %esi,%eax
-    d0d9:	8b 74 24 1c          	mov    0x1c(%rsp),%esi
-    d0dd:	65 33 35 14 00 00 00 	xor    %gs:0x14(%rip),%esi        # d0f8 <sys_pipe+0x4e6>
-    d0e4:	75 08                	jne    d0ee <sys_pipe+0x4dc>
-    d0e6:	83 c4 2c             	add    $0x2c,%esp
-    d0e9:	5b                   	pop    %rbx
-    d0ea:	5e                   	pop    %rsi
-    d0eb:	5f                   	pop    %rdi
-    d0ec:	5d                   	pop    %rbp
-    d0ed:	c3                   	retq   
-    d0ee:	e8 b3 93 ff ff       	callq  64a6 <__stack_chk_fail>
-    d0f3:	55                   	push   %rbp
-    d0f4:	57                   	push   %rdi
-    d0f5:	56                   	push   %rsi
-    d0f6:	53                   	push   %rbx
-    d0f7:	83 ec 1c             	sub    $0x1c,%esp
-    d0fa:	89 c7                	mov    %eax,%edi
-    d0fc:	89 54 24 0c          	mov    %edx,0xc(%rsp)
-    d100:	89 c8                	mov    %ecx,%eax
-    d102:	89 4c 24 08          	mov    %ecx,0x8(%rsp)
-    d106:	8b 4c 24 30          	mov    0x30(%rsp),%ecx
-    d10a:	c7 01 00 00 00 00    	movl   $0x0,(%rcx)
-    d110:	83 f8 0e             	cmp    $0xe,%eax
-    d113:	7f 0e                	jg     d123 <sys_pipe+0x511>
-    d115:	85 c0                	test   %eax,%eax
-    d117:	75 12                	jne    d12b <sys_pipe+0x519>
-    d119:	b9 00 00 00 00       	mov    $0x0,%ecx
-    d11e:	e9 20 01 00 00       	jmpq   d243 <sys_pipe+0x631>
-    d123:	c7 44 24 08 0e 00 00 	movl   $0xe,0x8(%rsp)
-    d12a:	00 
-    d12b:	0f b7 47 0e          	movzwl 0xe(%rdi),%eax
-    d12f:	85 c0                	test   %eax,%eax
-    d131:	0f 84 16 01 00 00    	je     d24d <sys_pipe+0x63b>
-    d137:	83 ec 08             	sub    $0x8,%esp
-    d13a:	50                   	push   %rax
-    d13b:	0f b7 47 2c          	movzwl 0x2c(%rdi),%eax
-    d13f:	50                   	push   %rax
-    d140:	e8 f0 e3 ff ff       	callq  b535 <bread>
-    d145:	89 c1                	mov    %eax,%ecx
-    d147:	83 c4 10             	add    $0x10,%esp
-    d14a:	85 c0                	test   %eax,%eax
-    d14c:	0f 84 f1 00 00 00    	je     d243 <sys_pipe+0x631>
-    d152:	8b 18                	mov    (%rax),%ebx
-    d154:	be 00 00 00 00       	mov    $0x0,%esi
-    d159:	eb 4d                	jmp    d1a8 <sys_pipe+0x596>
-    d15b:	83 ec 0c             	sub    $0xc,%esp
-    d15e:	51                   	push   %rcx
-    d15f:	e8 49 e0 ff ff       	callq  b1ad <brelse>
-    d164:	83 c4 08             	add    $0x8,%esp
-    d167:	89 f0                	mov    %esi,%eax
-    d169:	c1 e8 06             	shr    $0x6,%eax
-    d16c:	50                   	push   %rax
-    d16d:	57                   	push   %rdi
-    d16e:	e8 9a db ff ff       	callq  ad0d <create_block>
-    d173:	83 c4 10             	add    $0x10,%esp
-    d176:	85 c0                	test   %eax,%eax
-    d178:	0f 84 d6 00 00 00    	je     d254 <sys_pipe+0x642>
-    d17e:	83 ec 08             	sub    $0x8,%esp
-    d181:	50                   	push   %rax
-    d182:	0f b7 47 2c          	movzwl 0x2c(%rdi),%eax
-    d186:	50                   	push   %rax
-    d187:	e8 a9 e3 ff ff       	callq  b535 <bread>
-    d18c:	89 c1                	mov    %eax,%ecx
-    d18e:	83 c4 10             	add    $0x10,%esp
-    d191:	85 c0                	test   %eax,%eax
-    d193:	74 04                	je     d199 <sys_pipe+0x587>
-    d195:	8b 18                	mov    (%rax),%ebx
-    d197:	eb 1a                	jmp    d1b3 <sys_pipe+0x5a1>
-    d199:	8d 76 40             	lea    0x40(%rsi),%esi
-    d19c:	eb 0a                	jmp    d1a8 <sys_pipe+0x596>
-    d19e:	66 83 3b 00          	cmpw   $0x0,(%rbx)
-    d1a2:	74 4a                	je     d1ee <sys_pipe+0x5dc>
-    d1a4:	83 c3 10             	add    $0x10,%ebx
-    d1a7:	46 8b 01             	rex.RX mov (%rcx),%r8d
-    d1aa:	05 00 04 00 00       	add    $0x400,%eax
-    d1af:	39 c3                	cmp    %eax,%ebx
-    d1b1:	73 a8                	jae    d15b <sys_pipe+0x549>
-    d1b3:	89 f0                	mov    %esi,%eax
-    d1b5:	c1 e0 04             	shl    $0x4,%eax
-    d1b8:	3b 47 04             	cmp    0x4(%rdi),%eax
-    d1bb:	72 e1                	jb     d19e <sys_pipe+0x58c>
-    d1bd:	66 c7 03 00 00       	movw   $0x0,(%rbx)
-    d1c2:	83 c0 10             	add    $0x10,%eax
-    d1c5:	89 47 04             	mov    %eax,0x4(%rdi)
-    d1c8:	c6 47 33 01          	movb   $0x1,0x33(%rdi)
-    d1cc:	8b 2d 08 69 01 00    	mov    0x16908(%rip),%ebp        # 23ada <end+0x98d2>
-    d1d2:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    d1d7:	f7 ed                	imul   %ebp
-    d1d9:	89 d0                	mov    %edx,%eax
-    d1db:	c1 f8 05             	sar    $0x5,%eax
-    d1de:	c1 fd 1f             	sar    $0x1f,%ebp
-    d1e1:	29 e8                	sub    %ebp,%eax
-    d1e3:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 23aed <end+0x98e5>
-    d1e9:	89 47 28             	mov    %eax,0x28(%rdi)
-    d1ec:	eb b0                	jmp    d19e <sys_pipe+0x58c>
-    d1ee:	8b 35 08 69 01 00    	mov    0x16908(%rip),%esi        # 23afc <end+0x98f4>
-    d1f4:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    d1f9:	f7 ee                	imul   %esi
-    d1fb:	89 d0                	mov    %edx,%eax
-    d1fd:	c1 f8 05             	sar    $0x5,%eax
-    d200:	c1 fe 1f             	sar    $0x1f,%esi
-    d203:	29 f0                	sub    %esi,%eax
-    d205:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 23b0f <end+0x9907>
-    d20b:	89 47 08             	mov    %eax,0x8(%rdi)
-    d20e:	b8 00 00 00 00       	mov    $0x0,%eax
-    d213:	be 00 00 00 00       	mov    $0x0,%esi
-    d218:	8b 6c 24 0c          	mov    0xc(%rsp),%ebp
-    d21c:	8b 7c 24 08          	mov    0x8(%rsp),%edi
-    d220:	eb 0c                	jmp    d22e <sys_pipe+0x61c>
-    d222:	89 f2                	mov    %esi,%edx
-    d224:	88 54 03 02          	mov    %dl,0x2(%rbx,%rax,1)
-    d228:	40 83 f8 0e          	rex cmp $0xe,%eax
-    d22c:	74 0b                	je     d239 <sys_pipe+0x627>
-    d22e:	39 c7                	cmp    %eax,%edi
-    d230:	7e f0                	jle    d222 <sys_pipe+0x610>
-    d232:	64 8a 54 05 00       	mov    %fs:0x0(%rbp,%rax,1),%dl
-    d237:	eb eb                	jmp    d224 <sys_pipe+0x612>
-    d239:	c6 41 09 01          	movb   $0x1,0x9(%rcx)
-    d23d:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    d241:	89 18                	mov    %ebx,(%rax)
-    d243:	89 c8                	mov    %ecx,%eax
-    d245:	83 c4 1c             	add    $0x1c,%esp
-    d248:	5b                   	pop    %rbx
-    d249:	5e                   	pop    %rsi
-    d24a:	5f                   	pop    %rdi
-    d24b:	5d                   	pop    %rbp
-    d24c:	c3                   	retq   
-    d24d:	b9 00 00 00 00       	mov    $0x0,%ecx
-    d252:	eb ef                	jmp    d243 <sys_pipe+0x631>
-    d254:	b9 00 00 00 00       	mov    $0x0,%ecx
-    d259:	eb e8                	jmp    d243 <sys_pipe+0x631>
-
-000000000000d25b <namei>:
-    d25b:	57                   	push   %rdi
-    d25c:	56                   	push   %rsi
-    d25d:	53                   	push   %rbx
-    d25e:	83 ec 10             	sub    $0x10,%esp
-    d261:	65 a1 14 00 00 00 89 	movabs %gs:0xc24448900000014,%eax
-    d268:	44 24 0c 
-    d26b:	31 c0                	xor    %eax,%eax
-    d26d:	89 e1                	mov    %esp,%ecx
-    d26f:	8d 54 24 04          	lea    0x4(%rsp),%edx
-    d273:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    d277:	e8 c9 fc ff ff       	callq  cf45 <sys_pipe+0x333>
-    d27c:	89 c3                	mov    %eax,%ebx
-    d27e:	85 c0                	test   %eax,%eax
-    d280:	74 08                	je     d28a <namei+0x2f>
-    d282:	8b 4c 24 04          	mov    0x4(%rsp),%ecx
-    d286:	85 c9                	test   %ecx,%ecx
-    d288:	75 1a                	jne    d2a4 <namei+0x49>
-    d28a:	89 d8                	mov    %ebx,%eax
-    d28c:	8b 74 24 0c          	mov    0xc(%rsp),%esi
-    d290:	65 33 35 14 00 00 00 	xor    %gs:0x14(%rip),%esi        # d2ab <namei+0x50>
-    d297:	0f 85 8f 00 00 00    	jne    d32c <namei+0xd1>
-    d29d:	83 c4 10             	add    $0x10,%esp
-    d2a0:	5b                   	pop    %rbx
-    d2a1:	5e                   	pop    %rsi
-    d2a2:	5f                   	pop    %rdi
-    d2a3:	c3                   	retq   
-    d2a4:	83 ec 0c             	sub    $0xc,%esp
-    d2a7:	8d 44 24 14          	lea    0x14(%rsp),%eax
-    d2ab:	50                   	push   %rax
-    d2ac:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    d2b0:	89 d8                	mov    %ebx,%eax
-    d2b2:	e8 52 fb ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    d2b7:	83 c4 10             	add    $0x10,%esp
-    d2ba:	85 c0                	test   %eax,%eax
-    d2bc:	74 58                	je     d316 <namei+0xbb>
-    d2be:	8b 54 24 08          	mov    0x8(%rsp),%edx
-    d2c2:	0f b7 3a             	movzwl (%rdx),%edi
-    d2c5:	0f b7 73 2c          	movzwl 0x2c(%rbx),%esi
-    d2c9:	83 ec 0c             	sub    $0xc,%esp
-    d2cc:	50                   	push   %rax
-    d2cd:	e8 db de ff ff       	callq  b1ad <brelse>
-    d2d2:	89 1c 24             	mov    %ebx,(%rsp)
-    d2d5:	e8 4c da ff ff       	callq  ad26 <iput>
-    d2da:	83 c4 08             	add    $0x8,%esp
-    d2dd:	57                   	push   %rdi
-    d2de:	56                   	push   %rsi
-    d2df:	e8 94 dc ff ff       	callq  af78 <iget>
-    d2e4:	89 c3                	mov    %eax,%ebx
-    d2e6:	83 c4 10             	add    $0x10,%esp
-    d2e9:	85 c0                	test   %eax,%eax
-    d2eb:	74 9d                	je     d28a <namei+0x2f>
-    d2ed:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 23bfb <end+0x99f3>
-    d2f3:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    d2f8:	f7 e9                	imul   %ecx
-    d2fa:	89 d0                	mov    %edx,%eax
-    d2fc:	c1 f8 05             	sar    $0x5,%eax
-    d2ff:	c1 f9 1f             	sar    $0x1f,%ecx
-    d302:	29 c8                	sub    %ecx,%eax
-    d304:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 23c0e <end+0x9a06>
-    d30a:	89 43 24             	mov    %eax,0x24(%rbx)
-    d30d:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    d311:	e9 74 ff ff ff       	jmpq   d28a <namei+0x2f>
-    d316:	83 ec 0c             	sub    $0xc,%esp
-    d319:	53                   	push   %rbx
-    d31a:	e8 07 da ff ff       	callq  ad26 <iput>
-    d31f:	83 c4 10             	add    $0x10,%esp
-    d322:	bb 00 00 00 00       	mov    $0x0,%ebx
-    d327:	e9 5e ff ff ff       	jmpq   d28a <namei+0x2f>
-    d32c:	e8 75 91 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000d331 <open_namei>:
-    d331:	55                   	push   %rbp
-    d332:	57                   	push   %rdi
-    d333:	56                   	push   %rsi
-    d334:	53                   	push   %rbx
-    d335:	83 ec 2c             	sub    $0x2c,%esp
-    d338:	8b 44 24 40          	mov    0x40(%rsp),%eax
-    d33c:	8b 74 24 4c          	mov    0x4c(%rsp),%esi
-    d340:	65 8b 0d 14 00 00 00 	mov    %gs:0x14(%rip),%ecx        # d35b <open_namei+0x2a>
-    d347:	89 4c 24 1c          	mov    %ecx,0x1c(%rsp)
-    d34b:	31 c9                	xor    %ecx,%ecx
-    d34d:	8b 54 24 44          	mov    0x44(%rsp),%edx
-    d351:	81 e2 03 02 00 00    	and    $0x203,%edx
-    d357:	81 fa 00 02 00 00    	cmp    $0x200,%edx
-    d35d:	74 54                	je     d3b3 <open_namei+0x82>
-    d35f:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 20065 <end+0x5e5d>
-    d365:	8b 9a e8 00 00 00    	mov    0xe8(%rdx),%ebx
-    d36b:	8d 4c 24 10          	lea    0x10(%rsp),%ecx
-    d36f:	8d 54 24 14          	lea    0x14(%rsp),%edx
-    d373:	e8 cd fb ff ff       	callq  cf45 <sys_pipe+0x333>
-    d378:	89 c7                	mov    %eax,%edi
-    d37a:	85 c0                	test   %eax,%eax
-    d37c:	0f 84 4c 02 00 00    	je     d5ce <open_namei+0x29d>
-    d382:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    d386:	85 c9                	test   %ecx,%ecx
-    d388:	75 43                	jne    d3cd <open_namei+0x9c>
-    d38a:	8b 5c 24 44          	mov    0x44(%rsp),%ebx
-    d38e:	81 e3 43 02 00 00    	and    $0x243,%ebx
-    d394:	75 24                	jne    d3ba <open_namei+0x89>
-    d396:	89 06                	mov    %eax,(%rsi)
-    d398:	89 d8                	mov    %ebx,%eax
-    d39a:	8b 74 24 1c          	mov    0x1c(%rsp),%esi
-    d39e:	65 33 35 14 00 00 00 	xor    %gs:0x14(%rip),%esi        # d3b9 <open_namei+0x88>
-    d3a5:	0f 85 41 02 00 00    	jne    d5ec <open_namei+0x2bb>
-    d3ab:	83 c4 2c             	add    $0x2c,%esp
-    d3ae:	5b                   	pop    %rbx
-    d3af:	5e                   	pop    %rsi
-    d3b0:	5f                   	pop    %rdi
-    d3b1:	5d                   	pop    %rbp
-    d3b2:	c3                   	retq   
-    d3b3:	83 4c 24 44 01       	orl    $0x1,0x44(%rsp)
-    d3b8:	eb a5                	jmp    d35f <open_namei+0x2e>
-    d3ba:	83 ec 0c             	sub    $0xc,%esp
-    d3bd:	50                   	push   %rax
-    d3be:	e8 63 d9 ff ff       	callq  ad26 <iput>
-    d3c3:	83 c4 10             	add    $0x10,%esp
-    d3c6:	bb eb ff ff ff       	mov    $0xffffffeb,%ebx
-    d3cb:	eb cb                	jmp    d398 <open_namei+0x67>
-    d3cd:	83 ec 0c             	sub    $0xc,%esp
-    d3d0:	8d 44 24 24          	lea    0x24(%rsp),%eax
-    d3d4:	50                   	push   %rax
-    d3d5:	8b 54 24 20          	mov    0x20(%rsp),%edx
-    d3d9:	89 f8                	mov    %edi,%eax
-    d3db:	e8 29 fa ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    d3e0:	83 c4 10             	add    $0x10,%esp
-    d3e3:	85 c0                	test   %eax,%eax
-    d3e5:	0f 84 b2 00 00 00    	je     d49d <open_namei+0x16c>
-    d3eb:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    d3ef:	0f b7 2a             	movzwl (%rdx),%ebp
-    d3f2:	0f b7 4f 2c          	movzwl 0x2c(%rdi),%ecx
-    d3f6:	89 4c 24 0c          	mov    %ecx,0xc(%rsp)
-    d3fa:	83 ec 0c             	sub    $0xc,%esp
-    d3fd:	50                   	push   %rax
-    d3fe:	e8 aa dd ff ff       	callq  b1ad <brelse>
-    d403:	89 3c 24             	mov    %edi,(%rsp)
-    d406:	e8 1b d9 ff ff       	callq  ad26 <iput>
-    d40b:	83 c4 10             	add    $0x10,%esp
-    d40e:	8b 5c 24 44          	mov    0x44(%rsp),%ebx
-    d412:	81 e3 80 00 00 00    	and    $0x80,%ebx
-    d418:	0f 85 ba 01 00 00    	jne    d5d8 <open_namei+0x2a7>
-    d41e:	83 ec 08             	sub    $0x8,%esp
-    d421:	55                   	push   %rbp
-    d422:	ff 74 24 18          	pushq  0x18(%rsp)
-    d426:	e8 4d db ff ff       	callq  af78 <iget>
-    d42b:	89 c7                	mov    %eax,%edi
-    d42d:	83 c4 10             	add    $0x10,%esp
-    d430:	85 c0                	test   %eax,%eax
-    d432:	0f 84 aa 01 00 00    	je     d5e2 <open_namei+0x2b1>
-    d438:	8b 00                	mov    (%rax),%eax
-    d43a:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    d43f:	66 3d 00 40          	cmp    $0x4000,%ax
-    d443:	0f 84 53 01 00 00    	je     d59c <open_namei+0x26b>
-    d449:	8b 44 24 44          	mov    0x44(%rsp),%eax
-    d44d:	83 e0 03             	and    $0x3,%eax
-    d450:	0f be a8 19 f6 00 00 	movsbl 0xf619(%rax),%ebp
-    d457:	89 ea                	mov    %ebp,%edx
-    d459:	89 f8                	mov    %edi,%eax
-    d45b:	e8 2c f9 ff ff       	callq  cd8c <sys_pipe+0x17a>
-    d460:	39 c5                	cmp    %eax,%ebp
-    d462:	0f 85 3f 01 00 00    	jne    d5a7 <open_namei+0x276>
-    d468:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 23d76 <end+0x9b6e>
-    d46e:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    d473:	f7 e9                	imul   %ecx
-    d475:	89 d0                	mov    %edx,%eax
-    d477:	c1 f8 05             	sar    $0x5,%eax
-    d47a:	c1 f9 1f             	sar    $0x1f,%ecx
-    d47d:	29 c8                	sub    %ecx,%eax
-    d47f:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 23d89 <end+0x9b81>
-    d485:	89 47 24             	mov    %eax,0x24(%rdi)
-    d488:	f7 44 24 44 00 02 00 	testl  $0x200,0x44(%rsp)
-    d48f:	00 
-    d490:	0f 85 27 01 00 00    	jne    d5bd <open_namei+0x28c>
-    d496:	89 3e                	mov    %edi,(%rsi)
-    d498:	e9 fb fe ff ff       	jmpq   d398 <open_namei+0x67>
-    d49d:	f6 44 24 44 40       	testb  $0x40,0x44(%rsp)
-    d4a2:	0f 84 91 00 00 00    	je     d539 <open_namei+0x208>
-    d4a8:	ba 02 00 00 00       	mov    $0x2,%edx
-    d4ad:	89 f8                	mov    %edi,%eax
-    d4af:	e8 d8 f8 ff ff       	callq  cd8c <sys_pipe+0x17a>
-    d4b4:	85 c0                	test   %eax,%eax
-    d4b6:	0f 84 93 00 00 00    	je     d54f <open_namei+0x21e>
-    d4bc:	83 ec 0c             	sub    $0xc,%esp
-    d4bf:	0f b7 47 2c          	movzwl 0x2c(%rdi),%eax
-    d4c3:	50                   	push   %rax
-    d4c4:	e8 78 0f 00 00       	callq  e441 <new_inode>
-    d4c9:	89 c5                	mov    %eax,%ebp
-    d4cb:	83 c4 10             	add    $0x10,%esp
-    d4ce:	85 c0                	test   %eax,%eax
-    d4d0:	0f 84 8f 00 00 00    	je     d565 <open_namei+0x234>
-    d4d6:	f7 d3                	not    %ebx
-    d4d8:	81 e3 ff 01 00 00    	and    $0x1ff,%ebx
-    d4de:	23 5c 24 48          	and    0x48(%rsp),%ebx
-    d4e2:	80 cf 80             	or     $0x80,%bh
-    d4e5:	66 89 18             	mov    %bx,(%rax)
-    d4e8:	c6 40 33 01          	movb   $0x1,0x33(%rax)
-    d4ec:	83 ec 0c             	sub    $0xc,%esp
-    d4ef:	8d 44 24 24          	lea    0x24(%rsp),%eax
-    d4f3:	50                   	push   %rax
-    d4f4:	8b 4c 24 24          	mov    0x24(%rsp),%ecx
-    d4f8:	8b 54 24 20          	mov    0x20(%rsp),%edx
-    d4fc:	89 f8                	mov    %edi,%eax
-    d4fe:	e8 f0 fb ff ff       	callq  d0f3 <sys_pipe+0x4e1>
-    d503:	83 c4 10             	add    $0x10,%esp
-    d506:	85 c0                	test   %eax,%eax
-    d508:	74 71                	je     d57b <open_namei+0x24a>
-    d50a:	66 8b 4d 2e          	mov    0x2e(%rbp),%cx
-    d50e:	8b 54 24 18          	mov    0x18(%rsp),%edx
-    d512:	66 89 0a             	mov    %cx,(%rdx)
-    d515:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    d519:	83 ec 0c             	sub    $0xc,%esp
-    d51c:	50                   	push   %rax
-    d51d:	e8 8b dc ff ff       	callq  b1ad <brelse>
-    d522:	89 3c 24             	mov    %edi,(%rsp)
-    d525:	e8 fc d7 ff ff       	callq  ad26 <iput>
-    d52a:	89 2e                	mov    %ebp,(%rsi)
-    d52c:	83 c4 10             	add    $0x10,%esp
-    d52f:	bb 00 00 00 00       	mov    $0x0,%ebx
-    d534:	e9 5f fe ff ff       	jmpq   d398 <open_namei+0x67>
-    d539:	83 ec 0c             	sub    $0xc,%esp
-    d53c:	57                   	push   %rdi
-    d53d:	e8 e4 d7 ff ff       	callq  ad26 <iput>
-    d542:	83 c4 10             	add    $0x10,%esp
-    d545:	bb fe ff ff ff       	mov    $0xfffffffe,%ebx
-    d54a:	e9 49 fe ff ff       	jmpq   d398 <open_namei+0x67>
-    d54f:	83 ec 0c             	sub    $0xc,%esp
-    d552:	57                   	push   %rdi
-    d553:	e8 ce d7 ff ff       	callq  ad26 <iput>
-    d558:	83 c4 10             	add    $0x10,%esp
-    d55b:	bb f3 ff ff ff       	mov    $0xfffffff3,%ebx
-    d560:	e9 33 fe ff ff       	jmpq   d398 <open_namei+0x67>
-    d565:	83 ec 0c             	sub    $0xc,%esp
-    d568:	57                   	push   %rdi
-    d569:	e8 b8 d7 ff ff       	callq  ad26 <iput>
-    d56e:	83 c4 10             	add    $0x10,%esp
-    d571:	bb e4 ff ff ff       	mov    $0xffffffe4,%ebx
-    d576:	e9 1d fe ff ff       	jmpq   d398 <open_namei+0x67>
-    d57b:	fe 4d 0d             	decb   0xd(%rbp)
-    d57e:	83 ec 0c             	sub    $0xc,%esp
-    d581:	55                   	push   %rbp
-    d582:	e8 9f d7 ff ff       	callq  ad26 <iput>
-    d587:	89 3c 24             	mov    %edi,(%rsp)
-    d58a:	e8 97 d7 ff ff       	callq  ad26 <iput>
-    d58f:	83 c4 10             	add    $0x10,%esp
-    d592:	bb e4 ff ff ff       	mov    $0xffffffe4,%ebx
-    d597:	e9 fc fd ff ff       	jmpq   d398 <open_namei+0x67>
-    d59c:	f6 44 24 44 03       	testb  $0x3,0x44(%rsp)
-    d5a1:	0f 84 a2 fe ff ff    	je     d449 <open_namei+0x118>
-    d5a7:	83 ec 0c             	sub    $0xc,%esp
-    d5aa:	57                   	push   %rdi
-    d5ab:	e8 76 d7 ff ff       	callq  ad26 <iput>
-    d5b0:	83 c4 10             	add    $0x10,%esp
-    d5b3:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
-    d5b8:	e9 db fd ff ff       	jmpq   d398 <open_namei+0x67>
-    d5bd:	83 ec 0c             	sub    $0xc,%esp
-    d5c0:	57                   	push   %rdi
-    d5c1:	e8 a7 14 00 00       	callq  ea6d <truncate>
-    d5c6:	83 c4 10             	add    $0x10,%esp
-    d5c9:	e9 c8 fe ff ff       	jmpq   d496 <open_namei+0x165>
-    d5ce:	bb fe ff ff ff       	mov    $0xfffffffe,%ebx
-    d5d3:	e9 c0 fd ff ff       	jmpq   d398 <open_namei+0x67>
-    d5d8:	bb ef ff ff ff       	mov    $0xffffffef,%ebx
-    d5dd:	e9 b6 fd ff ff       	jmpq   d398 <open_namei+0x67>
-    d5e2:	bb f3 ff ff ff       	mov    $0xfffffff3,%ebx
-    d5e7:	e9 ac fd ff ff       	jmpq   d398 <open_namei+0x67>
-    d5ec:	e8 b5 8e ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000d5f1 <sys_mkdir>:
-    d5f1:	55                   	push   %rbp
-    d5f2:	57                   	push   %rdi
-    d5f3:	56                   	push   %rsi
-    d5f4:	53                   	push   %rbx
-    d5f5:	83 ec 1c             	sub    $0x1c,%esp
-    d5f8:	8b 44 24 30          	mov    0x30(%rsp),%eax
-    d5fc:	65 8b 3d 14 00 00 00 	mov    %gs:0x14(%rip),%edi        # d617 <sys_mkdir+0x26>
-    d603:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
-    d607:	31 ff                	xor    %edi,%edi
-    d609:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 2030f <end+0x6107>
-    d60f:	66 83 ba be 00 00 00 	cmpw   $0x0,0xbe(%rdx)
-    d616:	00 
-    d617:	74 0e                	je     d627 <sys_mkdir+0x36>
-    d619:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    d620:	00 
-    d621:	0f 85 99 02 00 00    	jne    d8c0 <sys_mkdir+0x2cf>
-    d627:	89 e1                	mov    %esp,%ecx
-    d629:	8d 54 24 04          	lea    0x4(%rsp),%edx
-    d62d:	e8 13 f9 ff ff       	callq  cf45 <sys_pipe+0x333>
-    d632:	89 c5                	mov    %eax,%ebp
-    d634:	85 c0                	test   %eax,%eax
-    d636:	0f 84 8e 02 00 00    	je     d8ca <sys_mkdir+0x2d9>
-    d63c:	8b 5c 24 04          	mov    0x4(%rsp),%ebx
-    d640:	85 db                	test   %ebx,%ebx
-    d642:	0f 84 9c 01 00 00    	je     d7e4 <sys_mkdir+0x1f3>
-    d648:	ba 02 00 00 00       	mov    $0x2,%edx
-    d64d:	e8 3a f7 ff ff       	callq  cd8c <sys_pipe+0x17a>
-    d652:	85 c0                	test   %eax,%eax
-    d654:	0f 84 9d 01 00 00    	je     d7f7 <sys_mkdir+0x206>
-    d65a:	83 ec 0c             	sub    $0xc,%esp
-    d65d:	8d 44 24 14          	lea    0x14(%rsp),%eax
-    d661:	50                   	push   %rax
-    d662:	89 d9                	mov    %ebx,%ecx
-    d664:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    d668:	89 e8                	mov    %ebp,%eax
-    d66a:	e8 9a f7 ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    d66f:	83 c4 10             	add    $0x10,%esp
-    d672:	85 c0                	test   %eax,%eax
-    d674:	0f 85 90 01 00 00    	jne    d80a <sys_mkdir+0x219>
-    d67a:	83 ec 0c             	sub    $0xc,%esp
-    d67d:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    d681:	50                   	push   %rax
-    d682:	e8 ba 0d 00 00       	callq  e441 <new_inode>
-    d687:	89 c3                	mov    %eax,%ebx
-    d689:	83 c4 10             	add    $0x10,%esp
-    d68c:	85 c0                	test   %eax,%eax
-    d68e:	0f 84 91 01 00 00    	je     d825 <sys_mkdir+0x234>
-    d694:	c7 40 04 20 00 00 00 	movl   $0x20,0x4(%rax)
-    d69b:	c6 40 33 01          	movb   $0x1,0x33(%rax)
-    d69f:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 23fad <end+0x9da5>
-    d6a5:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    d6aa:	f7 e9                	imul   %ecx
-    d6ac:	89 d0                	mov    %edx,%eax
-    d6ae:	c1 f8 05             	sar    $0x5,%eax
-    d6b1:	c1 f9 1f             	sar    $0x1f,%ecx
-    d6b4:	29 c8                	sub    %ecx,%eax
-    d6b6:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 23fc0 <end+0x9db8>
-    d6bc:	89 43 24             	mov    %eax,0x24(%rbx)
-    d6bf:	89 43 08             	mov    %eax,0x8(%rbx)
-    d6c2:	83 ec 0c             	sub    $0xc,%esp
-    d6c5:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    d6c9:	50                   	push   %rax
-    d6ca:	e8 db 0a 00 00       	callq  e1aa <new_block>
-    d6cf:	66 89 43 0e          	mov    %ax,0xe(%rbx)
-    d6d3:	83 c4 10             	add    $0x10,%esp
-    d6d6:	66 85 c0             	test   %ax,%ax
-    d6d9:	0f 84 59 01 00 00    	je     d838 <sys_mkdir+0x247>
-    d6df:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    d6e3:	83 ec 08             	sub    $0x8,%esp
-    d6e6:	0f b7 c0             	movzwl %ax,%eax
-    d6e9:	50                   	push   %rax
-    d6ea:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    d6ee:	50                   	push   %rax
-    d6ef:	e8 41 de ff ff       	callq  b535 <bread>
-    d6f4:	89 c2                	mov    %eax,%edx
-    d6f6:	83 c4 10             	add    $0x10,%esp
-    d6f9:	85 c0                	test   %eax,%eax
-    d6fb:	0f 84 58 01 00 00    	je     d859 <sys_mkdir+0x268>
-    d701:	8b 00                	mov    (%rax),%eax
-    d703:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    d707:	66 8b 4b 2e          	mov    0x2e(%rbx),%cx
-    d70b:	66 89 08             	mov    %cx,(%rax)
-    d70e:	8b 4c 24 08          	mov    0x8(%rsp),%ecx
-    d712:	8d 79 02             	lea    0x2(%rcx),%edi
-    d715:	be 1e f6 00 00       	mov    $0xf61e,%esi
-    d71a:	fc                   	cld    
-    d71b:	ac                   	lods   %ds:(%rsi),%al
-    d71c:	aa                   	stos   %al,%es:(%rdi)
-    d71d:	84 c0                	test   %al,%al
-    d71f:	75 fa                	jne    d71b <sys_mkdir+0x12a>
-    d721:	8d 41 10             	lea    0x10(%rcx),%eax
-    d724:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    d728:	66 8b 45 2e          	mov    0x2e(%rbp),%ax
-    d72c:	66 89 41 10          	mov    %ax,0x10(%rcx)
-    d730:	8d 79 12             	lea    0x12(%rcx),%edi
-    d733:	be 20 f6 00 00       	mov    $0xf620,%esi
-    d738:	fc                   	cld    
-    d739:	ac                   	lods   %ds:(%rsi),%al
-    d73a:	aa                   	stos   %al,%es:(%rdi)
-    d73b:	84 c0                	test   %al,%al
-    d73d:	75 fa                	jne    d739 <sys_mkdir+0x148>
-    d73f:	c6 43 0d 02          	movb   $0x2,0xd(%rbx)
-    d743:	c6 42 09 01          	movb   $0x1,0x9(%rdx)
-    d747:	83 ec 0c             	sub    $0xc,%esp
-    d74a:	52                   	push   %rdx
-    d74b:	e8 5d da ff ff       	callq  b1ad <brelse>
-    d750:	a1 00 2d 01 00 8b 80 	movabs 0xe8808b00012d00,%eax
-    d757:	e8 00 
-    d759:	00 00                	add    %al,(%rax)
-    d75b:	f7 d0                	not    %eax
-    d75d:	23 44 24 44          	and    0x44(%rsp),%eax
-    d761:	25 ff 01 00 00       	and    $0x1ff,%eax
-    d766:	80 cc 40             	or     $0x40,%ah
-    d769:	66 89 03             	mov    %ax,(%rbx)
-    d76c:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    d770:	83 c4 04             	add    $0x4,%esp
-    d773:	8d 44 24 14          	lea    0x14(%rsp),%eax
-    d777:	50                   	push   %rax
-    d778:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    d77c:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    d780:	89 e8                	mov    %ebp,%eax
-    d782:	e8 6c f9 ff ff       	callq  d0f3 <sys_pipe+0x4e1>
-    d787:	89 c6                	mov    %eax,%esi
-    d789:	83 c4 10             	add    $0x10,%esp
-    d78c:	85 c0                	test   %eax,%eax
-    d78e:	0f 84 f8 00 00 00    	je     d88c <sys_mkdir+0x29b>
-    d794:	66 8b 53 2e          	mov    0x2e(%rbx),%dx
-    d798:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    d79c:	66 89 10             	mov    %dx,(%rax)
-    d79f:	c6 46 09 01          	movb   $0x1,0x9(%rsi)
-    d7a3:	fe 45 0d             	incb   0xd(%rbp)
-    d7a6:	c6 45 33 01          	movb   $0x1,0x33(%rbp)
-    d7aa:	83 ec 0c             	sub    $0xc,%esp
-    d7ad:	55                   	push   %rbp
-    d7ae:	e8 73 d5 ff ff       	callq  ad26 <iput>
-    d7b3:	89 1c 24             	mov    %ebx,(%rsp)
-    d7b6:	e8 6b d5 ff ff       	callq  ad26 <iput>
-    d7bb:	89 34 24             	mov    %esi,(%rsp)
-    d7be:	e8 ea d9 ff ff       	callq  b1ad <brelse>
-    d7c3:	83 c4 10             	add    $0x10,%esp
-    d7c6:	b8 00 00 00 00       	mov    $0x0,%eax
-    d7cb:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    d7cf:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # d7ea <sys_mkdir+0x1f9>
-    d7d6:	0f 85 f8 00 00 00    	jne    d8d4 <sys_mkdir+0x2e3>
-    d7dc:	83 c4 1c             	add    $0x1c,%esp
-    d7df:	5b                   	pop    %rbx
-    d7e0:	5e                   	pop    %rsi
-    d7e1:	5f                   	pop    %rdi
-    d7e2:	5d                   	pop    %rbp
-    d7e3:	c3                   	retq   
-    d7e4:	83 ec 0c             	sub    $0xc,%esp
-    d7e7:	50                   	push   %rax
-    d7e8:	e8 39 d5 ff ff       	callq  ad26 <iput>
-    d7ed:	83 c4 10             	add    $0x10,%esp
-    d7f0:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    d7f5:	eb d4                	jmp    d7cb <sys_mkdir+0x1da>
-    d7f7:	83 ec 0c             	sub    $0xc,%esp
-    d7fa:	55                   	push   %rbp
-    d7fb:	e8 26 d5 ff ff       	callq  ad26 <iput>
-    d800:	83 c4 10             	add    $0x10,%esp
-    d803:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    d808:	eb c1                	jmp    d7cb <sys_mkdir+0x1da>
-    d80a:	83 ec 0c             	sub    $0xc,%esp
-    d80d:	50                   	push   %rax
-    d80e:	e8 9a d9 ff ff       	callq  b1ad <brelse>
-    d813:	89 2c 24             	mov    %ebp,(%rsp)
-    d816:	e8 0b d5 ff ff       	callq  ad26 <iput>
-    d81b:	83 c4 10             	add    $0x10,%esp
-    d81e:	b8 ef ff ff ff       	mov    $0xffffffef,%eax
-    d823:	eb a6                	jmp    d7cb <sys_mkdir+0x1da>
-    d825:	83 ec 0c             	sub    $0xc,%esp
-    d828:	55                   	push   %rbp
-    d829:	e8 f8 d4 ff ff       	callq  ad26 <iput>
-    d82e:	83 c4 10             	add    $0x10,%esp
-    d831:	b8 e4 ff ff ff       	mov    $0xffffffe4,%eax
-    d836:	eb 93                	jmp    d7cb <sys_mkdir+0x1da>
-    d838:	83 ec 0c             	sub    $0xc,%esp
-    d83b:	55                   	push   %rbp
-    d83c:	e8 e5 d4 ff ff       	callq  ad26 <iput>
-    d841:	fe 4b 0d             	decb   0xd(%rbx)
-    d844:	89 1c 24             	mov    %ebx,(%rsp)
-    d847:	e8 da d4 ff ff       	callq  ad26 <iput>
-    d84c:	83 c4 10             	add    $0x10,%esp
-    d84f:	b8 e4 ff ff ff       	mov    $0xffffffe4,%eax
-    d854:	e9 72 ff ff ff       	jmpq   d7cb <sys_mkdir+0x1da>
-    d859:	83 ec 0c             	sub    $0xc,%esp
-    d85c:	55                   	push   %rbp
-    d85d:	e8 c4 d4 ff ff       	callq  ad26 <iput>
-    d862:	83 c4 08             	add    $0x8,%esp
-    d865:	0f b7 43 0e          	movzwl 0xe(%rbx),%eax
-    d869:	50                   	push   %rax
-    d86a:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    d86e:	50                   	push   %rax
-    d86f:	e8 0e 08 00 00       	callq  e082 <free_block>
-    d874:	fe 4b 0d             	decb   0xd(%rbx)
-    d877:	89 1c 24             	mov    %ebx,(%rsp)
-    d87a:	e8 a7 d4 ff ff       	callq  ad26 <iput>
-    d87f:	83 c4 10             	add    $0x10,%esp
-    d882:	b8 9d ff ff ff       	mov    $0xffffff9d,%eax
-    d887:	e9 3f ff ff ff       	jmpq   d7cb <sys_mkdir+0x1da>
-    d88c:	83 ec 0c             	sub    $0xc,%esp
-    d88f:	55                   	push   %rbp
-    d890:	e8 91 d4 ff ff       	callq  ad26 <iput>
-    d895:	83 c4 08             	add    $0x8,%esp
-    d898:	0f b7 43 0e          	movzwl 0xe(%rbx),%eax
-    d89c:	50                   	push   %rax
-    d89d:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    d8a1:	50                   	push   %rax
-    d8a2:	e8 db 07 00 00       	callq  e082 <free_block>
-    d8a7:	c6 43 0d 00          	movb   $0x0,0xd(%rbx)
-    d8ab:	89 1c 24             	mov    %ebx,(%rsp)
-    d8ae:	e8 73 d4 ff ff       	callq  ad26 <iput>
-    d8b3:	83 c4 10             	add    $0x10,%esp
-    d8b6:	b8 e4 ff ff ff       	mov    $0xffffffe4,%eax
-    d8bb:	e9 0b ff ff ff       	jmpq   d7cb <sys_mkdir+0x1da>
-    d8c0:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    d8c5:	e9 01 ff ff ff       	jmpq   d7cb <sys_mkdir+0x1da>
-    d8ca:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    d8cf:	e9 f7 fe ff ff       	jmpq   d7cb <sys_mkdir+0x1da>
-    d8d4:	e8 cd 8b ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000d8d9 <sys_rmdir>:
-    d8d9:	55                   	push   %rbp
-    d8da:	57                   	push   %rdi
-    d8db:	56                   	push   %rsi
-    d8dc:	53                   	push   %rbx
-    d8dd:	83 ec 2c             	sub    $0x2c,%esp
-    d8e0:	8b 44 24 40          	mov    0x40(%rsp),%eax
-    d8e4:	65 8b 3d 14 00 00 00 	mov    %gs:0x14(%rip),%edi        # d8ff <sys_rmdir+0x26>
-    d8eb:	89 7c 24 1c          	mov    %edi,0x1c(%rsp)
-    d8ef:	31 ff                	xor    %edi,%edi
-    d8f1:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 205f7 <end+0x63ef>
-    d8f7:	66 83 ba be 00 00 00 	cmpw   $0x0,0xbe(%rdx)
-    d8fe:	00 
-    d8ff:	74 0e                	je     d90f <sys_rmdir+0x36>
-    d901:	66 83 ba bc 00 00 00 	cmpw   $0x0,0xbc(%rdx)
-    d908:	00 
-    d909:	0f 85 75 03 00 00    	jne    dc84 <sys_rmdir+0x3ab>
-    d90f:	8d 4c 24 10          	lea    0x10(%rsp),%ecx
-    d913:	8d 54 24 14          	lea    0x14(%rsp),%edx
-    d917:	e8 29 f6 ff ff       	callq  cf45 <sys_pipe+0x333>
-    d91c:	89 c3                	mov    %eax,%ebx
-    d91e:	85 c0                	test   %eax,%eax
-    d920:	0f 84 68 03 00 00    	je     dc8e <sys_rmdir+0x3b5>
-    d926:	8b 4c 24 14          	mov    0x14(%rsp),%ecx
-    d92a:	85 c9                	test   %ecx,%ecx
-    d92c:	0f 84 e2 00 00 00    	je     da14 <sys_rmdir+0x13b>
-    d932:	83 ec 0c             	sub    $0xc,%esp
-    d935:	8d 44 24 24          	lea    0x24(%rsp),%eax
-    d939:	50                   	push   %rax
-    d93a:	8b 54 24 20          	mov    0x20(%rsp),%edx
-    d93e:	89 d8                	mov    %ebx,%eax
-    d940:	e8 c4 f4 ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    d945:	89 44 24 10          	mov    %eax,0x10(%rsp)
-    d949:	83 c4 10             	add    $0x10,%esp
-    d94c:	85 c0                	test   %eax,%eax
-    d94e:	0f 84 d3 00 00 00    	je     da27 <sys_rmdir+0x14e>
-    d954:	ba 02 00 00 00       	mov    $0x2,%edx
-    d959:	89 d8                	mov    %ebx,%eax
-    d95b:	e8 2c f4 ff ff       	callq  cd8c <sys_pipe+0x17a>
-    d960:	85 c0                	test   %eax,%eax
-    d962:	0f 84 d2 00 00 00    	je     da3a <sys_rmdir+0x161>
-    d968:	83 ec 08             	sub    $0x8,%esp
-    d96b:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    d96f:	0f b7 00             	movzwl (%rax),%eax
-    d972:	50                   	push   %rax
-    d973:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    d977:	50                   	push   %rax
-    d978:	e8 fb d5 ff ff       	callq  af78 <iget>
-    d97d:	89 c5                	mov    %eax,%ebp
-    d97f:	83 c4 10             	add    $0x10,%esp
-    d982:	85 c0                	test   %eax,%eax
-    d984:	0f 84 cf 00 00 00    	je     da59 <sys_rmdir+0x180>
-    d98a:	39 c3                	cmp    %eax,%ebx
-    d98c:	0f 84 e6 00 00 00    	je     da78 <sys_rmdir+0x19f>
-    d992:	8b 00                	mov    (%rax),%eax
-    d994:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    d999:	66 3d 00 40          	cmp    $0x4000,%ax
-    d99d:	0f 85 ff 00 00 00    	jne    daa2 <sys_rmdir+0x1c9>
-    d9a3:	8b 45 04             	mov    0x4(%rbp),%eax
-    d9a6:	c1 e8 04             	shr    $0x4,%eax
-    d9a9:	89 44 24 04          	mov    %eax,0x4(%rsp)
-    d9ad:	83 f8 01             	cmp    $0x1,%eax
-    d9b0:	7e 0d                	jle    d9bf <sys_rmdir+0xe6>
-    d9b2:	66 8b 45 0e          	mov    0xe(%rbp),%ax
-    d9b6:	66 85 c0             	test   %ax,%ax
-    d9b9:	0f 85 0d 01 00 00    	jne    dacc <sys_rmdir+0x1f3>
-    d9bf:	83 ec 08             	sub    $0x8,%esp
-    d9c2:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    d9c6:	50                   	push   %rax
-    d9c7:	68 a4 fa 00 00       	pushq  $0xfaa4
-    d9cc:	e8 dd 8a ff ff       	callq  64ae <printk>
-    d9d1:	83 c4 10             	add    $0x10,%esp
-    d9d4:	83 ec 0c             	sub    $0xc,%esp
-    d9d7:	55                   	push   %rbp
-    d9d8:	e8 49 d3 ff ff       	callq  ad26 <iput>
-    d9dd:	89 1c 24             	mov    %ebx,(%rsp)
-    d9e0:	e8 41 d3 ff ff       	callq  ad26 <iput>
-    d9e5:	83 c4 04             	add    $0x4,%esp
-    d9e8:	ff 74 24 0c          	pushq  0xc(%rsp)
-    d9ec:	e8 bc d7 ff ff       	callq  b1ad <brelse>
-    d9f1:	83 c4 10             	add    $0x10,%esp
-    d9f4:	be d9 ff ff ff       	mov    $0xffffffd9,%esi
-    d9f9:	89 f0                	mov    %esi,%eax
-    d9fb:	8b 7c 24 1c          	mov    0x1c(%rsp),%edi
-    d9ff:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # da1a <sys_rmdir+0x141>
-    da06:	0f 85 95 02 00 00    	jne    dca1 <sys_rmdir+0x3c8>
-    da0c:	83 c4 2c             	add    $0x2c,%esp
-    da0f:	5b                   	pop    %rbx
-    da10:	5e                   	pop    %rsi
-    da11:	5f                   	pop    %rdi
-    da12:	5d                   	pop    %rbp
-    da13:	c3                   	retq   
-    da14:	83 ec 0c             	sub    $0xc,%esp
-    da17:	50                   	push   %rax
-    da18:	e8 09 d3 ff ff       	callq  ad26 <iput>
-    da1d:	83 c4 10             	add    $0x10,%esp
-    da20:	be fe ff ff ff       	mov    $0xfffffffe,%esi
-    da25:	eb d2                	jmp    d9f9 <sys_rmdir+0x120>
-    da27:	83 ec 0c             	sub    $0xc,%esp
-    da2a:	53                   	push   %rbx
-    da2b:	e8 f6 d2 ff ff       	callq  ad26 <iput>
-    da30:	83 c4 10             	add    $0x10,%esp
-    da33:	be fe ff ff ff       	mov    $0xfffffffe,%esi
-    da38:	eb bf                	jmp    d9f9 <sys_rmdir+0x120>
-    da3a:	83 ec 0c             	sub    $0xc,%esp
-    da3d:	53                   	push   %rbx
-    da3e:	e8 e3 d2 ff ff       	callq  ad26 <iput>
-    da43:	83 c4 04             	add    $0x4,%esp
-    da46:	ff 74 24 0c          	pushq  0xc(%rsp)
-    da4a:	e8 5e d7 ff ff       	callq  b1ad <brelse>
-    da4f:	83 c4 10             	add    $0x10,%esp
-    da52:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    da57:	eb a0                	jmp    d9f9 <sys_rmdir+0x120>
-    da59:	83 ec 0c             	sub    $0xc,%esp
-    da5c:	53                   	push   %rbx
-    da5d:	e8 c4 d2 ff ff       	callq  ad26 <iput>
-    da62:	83 c4 04             	add    $0x4,%esp
-    da65:	ff 74 24 0c          	pushq  0xc(%rsp)
-    da69:	e8 3f d7 ff ff       	callq  b1ad <brelse>
-    da6e:	83 c4 10             	add    $0x10,%esp
-    da71:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    da76:	eb 81                	jmp    d9f9 <sys_rmdir+0x120>
-    da78:	83 ec 0c             	sub    $0xc,%esp
-    da7b:	50                   	push   %rax
-    da7c:	e8 a5 d2 ff ff       	callq  ad26 <iput>
-    da81:	89 1c 24             	mov    %ebx,(%rsp)
-    da84:	e8 9d d2 ff ff       	callq  ad26 <iput>
-    da89:	83 c4 04             	add    $0x4,%esp
-    da8c:	ff 74 24 0c          	pushq  0xc(%rsp)
-    da90:	e8 18 d7 ff ff       	callq  b1ad <brelse>
-    da95:	83 c4 10             	add    $0x10,%esp
-    da98:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    da9d:	e9 57 ff ff ff       	jmpq   d9f9 <sys_rmdir+0x120>
-    daa2:	83 ec 0c             	sub    $0xc,%esp
-    daa5:	55                   	push   %rbp
-    daa6:	e8 7b d2 ff ff       	callq  ad26 <iput>
-    daab:	89 1c 24             	mov    %ebx,(%rsp)
-    daae:	e8 73 d2 ff ff       	callq  ad26 <iput>
-    dab3:	83 c4 04             	add    $0x4,%esp
-    dab6:	ff 74 24 0c          	pushq  0xc(%rsp)
-    daba:	e8 ee d6 ff ff       	callq  b1ad <brelse>
-    dabf:	83 c4 10             	add    $0x10,%esp
-    dac2:	be ec ff ff ff       	mov    $0xffffffec,%esi
-    dac7:	e9 2d ff ff ff       	jmpq   d9f9 <sys_rmdir+0x120>
-    dacc:	83 ec 08             	sub    $0x8,%esp
-    dacf:	0f b7 c0             	movzwl %ax,%eax
-    dad2:	50                   	push   %rax
-    dad3:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    dad7:	50                   	push   %rax
-    dad8:	e8 58 da ff ff       	callq  b535 <bread>
-    dadd:	89 c1                	mov    %eax,%ecx
-    dadf:	83 c4 10             	add    $0x10,%esp
-    dae2:	85 c0                	test   %eax,%eax
-    dae4:	0f 84 d5 fe ff ff    	je     d9bf <sys_rmdir+0xe6>
-    daea:	8b 10                	mov    (%rax),%edx
-    daec:	66 8b 45 2e          	mov    0x2e(%rbp),%ax
-    daf0:	66 39 02             	cmp    %ax,(%rdx)
-    daf3:	75 6e                	jne    db63 <sys_rmdir+0x28a>
-    daf5:	66 83 7a 10 00       	cmpw   $0x0,0x10(%rdx)
-    dafa:	74 67                	je     db63 <sys_rmdir+0x28a>
-    dafc:	8d 72 02             	lea    0x2(%rdx),%esi
-    daff:	bf 1e f6 00 00       	mov    $0xf61e,%edi
-    db04:	fc                   	cld    
-    db05:	ac                   	lods   %ds:(%rsi),%al
-    db06:	ae                   	scas   %es:(%rdi),%al
-    db07:	75 08                	jne    db11 <sys_rmdir+0x238>
-    db09:	84 c0                	test   %al,%al
-    db0b:	75 f8                	jne    db05 <sys_rmdir+0x22c>
-    db0d:	31 c0                	xor    %eax,%eax
-    db0f:	eb 09                	jmp    db1a <sys_rmdir+0x241>
-    db11:	b8 01 00 00 00       	mov    $0x1,%eax
-    db16:	7c 02                	jl     db1a <sys_rmdir+0x241>
-    db18:	f7 d8                	neg    %eax
-    db1a:	85 c0                	test   %eax,%eax
-    db1c:	75 45                	jne    db63 <sys_rmdir+0x28a>
-    db1e:	8d 72 12             	lea    0x12(%rdx),%esi
-    db21:	bf 20 f6 00 00       	mov    $0xf620,%edi
-    db26:	fc                   	cld    
-    db27:	ac                   	lods   %ds:(%rsi),%al
-    db28:	ae                   	scas   %es:(%rdi),%al
-    db29:	75 08                	jne    db33 <sys_rmdir+0x25a>
-    db2b:	84 c0                	test   %al,%al
-    db2d:	75 f8                	jne    db27 <sys_rmdir+0x24e>
-    db2f:	31 c0                	xor    %eax,%eax
-    db31:	eb 09                	jmp    db3c <sys_rmdir+0x263>
-    db33:	b8 01 00 00 00       	mov    $0x1,%eax
-    db38:	7c 02                	jl     db3c <sys_rmdir+0x263>
-    db3a:	f7 d8                	neg    %eax
-    db3c:	89 c6                	mov    %eax,%esi
-    db3e:	85 c0                	test   %eax,%eax
-    db40:	75 21                	jne    db63 <sys_rmdir+0x28a>
-    db42:	8d 7a 20             	lea    0x20(%rdx),%edi
-    db45:	83 7c 24 04 02       	cmpl   $0x2,0x4(%rsp)
-    db4a:	0f 8e a8 00 00 00    	jle    dbf8 <sys_rmdir+0x31f>
-    db50:	b8 02 00 00 00       	mov    $0x2,%eax
-    db55:	89 5c 24 08          	mov    %ebx,0x8(%rsp)
-    db59:	89 c3                	mov    %eax,%ebx
-    db5b:	89 74 24 0c          	mov    %esi,0xc(%rsp)
-    db5f:	89 ce                	mov    %ecx,%esi
-    db61:	eb 47                	jmp    dbaa <sys_rmdir+0x2d1>
-    db63:	83 ec 08             	sub    $0x8,%esp
-    db66:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    db6a:	50                   	push   %rax
-    db6b:	68 a4 fa 00 00       	pushq  $0xfaa4
-    db70:	e8 39 89 ff ff       	callq  64ae <printk>
-    db75:	83 c4 10             	add    $0x10,%esp
-    db78:	e9 57 fe ff ff       	jmpq   d9d4 <sys_rmdir+0xfb>
-    db7d:	83 ec 08             	sub    $0x8,%esp
-    db80:	50                   	push   %rax
-    db81:	0f b7 45 2c          	movzwl 0x2c(%rbp),%eax
-    db85:	50                   	push   %rax
-    db86:	e8 aa d9 ff ff       	callq  b535 <bread>
-    db8b:	89 c6                	mov    %eax,%esi
-    db8d:	83 c4 10             	add    $0x10,%esp
-    db90:	85 c0                	test   %eax,%eax
-    db92:	0f 84 00 01 00 00    	je     dc98 <sys_rmdir+0x3bf>
-    db98:	8b 38                	mov    (%rax),%edi
-    db9a:	66 83 3f 00          	cmpw   $0x0,(%rdi)
-    db9e:	75 39                	jne    dbd9 <sys_rmdir+0x300>
-    dba0:	83 c7 10             	add    $0x10,%edi
-    dba3:	43 39 5c 24 04       	cmp    %ebx,0x4(%r12,%r12,1)
-    dba8:	7e 44                	jle    dbee <sys_rmdir+0x315>
-    dbaa:	8b 06                	mov    (%rsi),%eax
-    dbac:	05 00 04 00 00       	add    $0x400,%eax
-    dbb1:	39 c7                	cmp    %eax,%edi
-    dbb3:	72 e5                	jb     db9a <sys_rmdir+0x2c1>
-    dbb5:	83 ec 0c             	sub    $0xc,%esp
-    dbb8:	56                   	push   %rsi
-    dbb9:	e8 ef d5 ff ff       	callq  b1ad <brelse>
-    dbbe:	83 c4 08             	add    $0x8,%esp
-    dbc1:	89 d8                	mov    %ebx,%eax
-    dbc3:	c1 e8 06             	shr    $0x6,%eax
-    dbc6:	50                   	push   %rax
-    dbc7:	55                   	push   %rbp
-    dbc8:	e8 27 d1 ff ff       	callq  acf4 <bmap>
-    dbcd:	83 c4 10             	add    $0x10,%esp
-    dbd0:	85 c0                	test   %eax,%eax
-    dbd2:	75 a9                	jne    db7d <sys_rmdir+0x2a4>
-    dbd4:	83 c3 40             	add    $0x40,%ebx
-    dbd7:	eb cb                	jmp    dba4 <sys_rmdir+0x2cb>
-    dbd9:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    dbdd:	83 ec 0c             	sub    $0xc,%esp
-    dbe0:	56                   	push   %rsi
-    dbe1:	e8 c7 d5 ff ff       	callq  b1ad <brelse>
-    dbe6:	83 c4 10             	add    $0x10,%esp
-    dbe9:	e9 e6 fd ff ff       	jmpq   d9d4 <sys_rmdir+0xfb>
-    dbee:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    dbf2:	89 f1                	mov    %esi,%ecx
-    dbf4:	8b 74 24 0c          	mov    0xc(%rsp),%esi
-    dbf8:	83 ec 0c             	sub    $0xc,%esp
-    dbfb:	51                   	push   %rcx
-    dbfc:	e8 ac d5 ff ff       	callq  b1ad <brelse>
-    dc01:	8a 45 0d             	mov    0xd(%rbp),%al
-    dc04:	83 c4 10             	add    $0x10,%esp
-    dc07:	3c 02                	cmp    $0x2,%al
-    dc09:	75 63                	jne    dc6e <sys_rmdir+0x395>
-    dc0b:	8b 44 24 18          	mov    0x18(%rsp),%eax
-    dc0f:	66 c7 00 00 00       	movw   $0x0,(%rax)
-    dc14:	8b 04 24             	mov    (%rsp),%eax
-    dc17:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    dc1b:	83 ec 0c             	sub    $0xc,%esp
-    dc1e:	50                   	push   %rax
-    dc1f:	e8 89 d5 ff ff       	callq  b1ad <brelse>
-    dc24:	c6 45 0d 00          	movb   $0x0,0xd(%rbp)
-    dc28:	c6 45 33 01          	movb   $0x1,0x33(%rbp)
-    dc2c:	fe 4b 0d             	decb   0xd(%rbx)
-    dc2f:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 2453d <end+0xa335>
-    dc35:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    dc3a:	f7 e9                	imul   %ecx
-    dc3c:	89 d0                	mov    %edx,%eax
-    dc3e:	c1 f8 05             	sar    $0x5,%eax
-    dc41:	c1 f9 1f             	sar    $0x1f,%ecx
-    dc44:	29 c8                	sub    %ecx,%eax
-    dc46:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 24550 <end+0xa348>
-    dc4c:	89 43 08             	mov    %eax,0x8(%rbx)
-    dc4f:	89 43 28             	mov    %eax,0x28(%rbx)
-    dc52:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    dc56:	89 1c 24             	mov    %ebx,(%rsp)
-    dc59:	e8 c8 d0 ff ff       	callq  ad26 <iput>
-    dc5e:	89 2c 24             	mov    %ebp,(%rsp)
-    dc61:	e8 c0 d0 ff ff       	callq  ad26 <iput>
-    dc66:	83 c4 10             	add    $0x10,%esp
-    dc69:	e9 8b fd ff ff       	jmpq   d9f9 <sys_rmdir+0x120>
-    dc6e:	83 ec 08             	sub    $0x8,%esp
-    dc71:	0f b6 c0             	movzbl %al,%eax
-    dc74:	50                   	push   %rax
-    dc75:	68 cc fa 00 00       	pushq  $0xfacc
-    dc7a:	e8 2f 88 ff ff       	callq  64ae <printk>
-    dc7f:	83 c4 10             	add    $0x10,%esp
-    dc82:	eb 87                	jmp    dc0b <sys_rmdir+0x332>
-    dc84:	be ff ff ff ff       	mov    $0xffffffff,%esi
-    dc89:	e9 6b fd ff ff       	jmpq   d9f9 <sys_rmdir+0x120>
-    dc8e:	be fe ff ff ff       	mov    $0xfffffffe,%esi
-    dc93:	e9 61 fd ff ff       	jmpq   d9f9 <sys_rmdir+0x120>
-    dc98:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    dc9c:	e9 33 fd ff ff       	jmpq   d9d4 <sys_rmdir+0xfb>
-    dca1:	e8 00 88 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000dca6 <sys_unlink>:
-    dca6:	57                   	push   %rdi
-    dca7:	56                   	push   %rsi
-    dca8:	53                   	push   %rbx
-    dca9:	83 ec 10             	sub    $0x10,%esp
-    dcac:	65 a1 14 00 00 00 89 	movabs %gs:0xc24448900000014,%eax
-    dcb3:	44 24 0c 
-    dcb6:	31 c0                	xor    %eax,%eax
-    dcb8:	89 e1                	mov    %esp,%ecx
-    dcba:	8d 54 24 04          	lea    0x4(%rsp),%edx
-    dcbe:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    dcc2:	e8 7e f2 ff ff       	callq  cf45 <sys_pipe+0x333>
-    dcc7:	85 c0                	test   %eax,%eax
-    dcc9:	0f 84 a4 01 00 00    	je     de73 <sys_unlink+0x1cd>
-    dccf:	89 c6                	mov    %eax,%esi
-    dcd1:	8b 5c 24 04          	mov    0x4(%rsp),%ebx
-    dcd5:	85 db                	test   %ebx,%ebx
-    dcd7:	0f 84 de 00 00 00    	je     ddbb <sys_unlink+0x115>
-    dcdd:	ba 02 00 00 00       	mov    $0x2,%edx
-    dce2:	e8 a5 f0 ff ff       	callq  cd8c <sys_pipe+0x17a>
-    dce7:	85 c0                	test   %eax,%eax
-    dce9:	0f 84 df 00 00 00    	je     ddce <sys_unlink+0x128>
-    dcef:	83 ec 0c             	sub    $0xc,%esp
-    dcf2:	8d 44 24 14          	lea    0x14(%rsp),%eax
-    dcf6:	50                   	push   %rax
-    dcf7:	89 d9                	mov    %ebx,%ecx
-    dcf9:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    dcfd:	89 f0                	mov    %esi,%eax
-    dcff:	e8 05 f1 ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    dd04:	89 c7                	mov    %eax,%edi
-    dd06:	83 c4 10             	add    $0x10,%esp
-    dd09:	85 c0                	test   %eax,%eax
-    dd0b:	0f 84 d0 00 00 00    	je     dde1 <sys_unlink+0x13b>
-    dd11:	83 ec 08             	sub    $0x8,%esp
-    dd14:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    dd18:	0f b7 00             	movzwl (%rax),%eax
-    dd1b:	50                   	push   %rax
-    dd1c:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    dd20:	50                   	push   %rax
-    dd21:	e8 52 d2 ff ff       	callq  af78 <iget>
-    dd26:	89 c3                	mov    %eax,%ebx
-    dd28:	83 c4 10             	add    $0x10,%esp
-    dd2b:	85 c0                	test   %eax,%eax
-    dd2d:	0f 84 c1 00 00 00    	je     ddf4 <sys_unlink+0x14e>
-    dd33:	8b 00                	mov    (%rax),%eax
-    dd35:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    dd3a:	66 3d 00 80          	cmp    $0x8000,%ax
-    dd3e:	0f 85 e7 00 00 00    	jne    de2b <sys_unlink+0x185>
-    dd44:	80 7b 0d 00          	cmpb   $0x0,0xd(%rbx)
-    dd48:	0f 84 03 01 00 00    	je     de51 <sys_unlink+0x1ab>
-    dd4e:	8b 44 24 08          	mov    0x8(%rsp),%eax
-    dd52:	66 c7 00 00 00       	movw   $0x0,(%rax)
-    dd57:	c6 47 09 01          	movb   $0x1,0x9(%rdi)
-    dd5b:	83 ec 0c             	sub    $0xc,%esp
-    dd5e:	57                   	push   %rdi
-    dd5f:	e8 49 d4 ff ff       	callq  b1ad <brelse>
-    dd64:	fe 4b 0d             	decb   0xd(%rbx)
-    dd67:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    dd6b:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 24679 <end+0xa471>
-    dd71:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    dd76:	f7 e9                	imul   %ecx
-    dd78:	89 d0                	mov    %edx,%eax
-    dd7a:	c1 f8 05             	sar    $0x5,%eax
-    dd7d:	c1 f9 1f             	sar    $0x1f,%ecx
-    dd80:	29 c8                	sub    %ecx,%eax
-    dd82:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 2468c <end+0xa484>
-    dd88:	89 43 28             	mov    %eax,0x28(%rbx)
-    dd8b:	89 1c 24             	mov    %ebx,(%rsp)
-    dd8e:	e8 93 cf ff ff       	callq  ad26 <iput>
-    dd93:	89 34 24             	mov    %esi,(%rsp)
-    dd96:	e8 8b cf ff ff       	callq  ad26 <iput>
-    dd9b:	83 c4 10             	add    $0x10,%esp
-    dd9e:	b8 00 00 00 00       	mov    $0x0,%eax
-    dda3:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    dda7:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # ddc2 <sys_unlink+0x11c>
-    ddae:	0f 85 c9 00 00 00    	jne    de7d <sys_unlink+0x1d7>
-    ddb4:	83 c4 10             	add    $0x10,%esp
-    ddb7:	5b                   	pop    %rbx
-    ddb8:	5e                   	pop    %rsi
-    ddb9:	5f                   	pop    %rdi
-    ddba:	c3                   	retq   
-    ddbb:	83 ec 0c             	sub    $0xc,%esp
-    ddbe:	50                   	push   %rax
-    ddbf:	e8 62 cf ff ff       	callq  ad26 <iput>
-    ddc4:	83 c4 10             	add    $0x10,%esp
-    ddc7:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    ddcc:	eb d5                	jmp    dda3 <sys_unlink+0xfd>
-    ddce:	83 ec 0c             	sub    $0xc,%esp
-    ddd1:	56                   	push   %rsi
-    ddd2:	e8 4f cf ff ff       	callq  ad26 <iput>
-    ddd7:	83 c4 10             	add    $0x10,%esp
-    ddda:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    dddf:	eb c2                	jmp    dda3 <sys_unlink+0xfd>
-    dde1:	83 ec 0c             	sub    $0xc,%esp
-    dde4:	56                   	push   %rsi
-    dde5:	e8 3c cf ff ff       	callq  ad26 <iput>
-    ddea:	83 c4 10             	add    $0x10,%esp
-    dded:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    ddf2:	eb af                	jmp    dda3 <sys_unlink+0xfd>
-    ddf4:	83 ec 04             	sub    $0x4,%esp
-    ddf7:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    ddfb:	0f b7 00             	movzwl (%rax),%eax
-    ddfe:	50                   	push   %rax
-    ddff:	0f b7 46 2c          	movzwl 0x2c(%rsi),%eax
-    de03:	50                   	push   %rax
-    de04:	68 f0 fa 00 00       	pushq  $0xfaf0
-    de09:	e8 a0 86 ff ff       	callq  64ae <printk>
-    de0e:	89 34 24             	mov    %esi,(%rsp)
-    de11:	e8 10 cf ff ff       	callq  ad26 <iput>
-    de16:	89 3c 24             	mov    %edi,(%rsp)
-    de19:	e8 8f d3 ff ff       	callq  b1ad <brelse>
-    de1e:	83 c4 10             	add    $0x10,%esp
-    de21:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    de26:	e9 78 ff ff ff       	jmpq   dda3 <sys_unlink+0xfd>
-    de2b:	83 ec 0c             	sub    $0xc,%esp
-    de2e:	53                   	push   %rbx
-    de2f:	e8 f2 ce ff ff       	callq  ad26 <iput>
-    de34:	89 34 24             	mov    %esi,(%rsp)
-    de37:	e8 ea ce ff ff       	callq  ad26 <iput>
-    de3c:	89 3c 24             	mov    %edi,(%rsp)
-    de3f:	e8 69 d3 ff ff       	callq  b1ad <brelse>
-    de44:	83 c4 10             	add    $0x10,%esp
-    de47:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    de4c:	e9 52 ff ff ff       	jmpq   dda3 <sys_unlink+0xfd>
-    de51:	6a 00                	pushq  $0x0
-    de53:	0f b7 43 2e          	movzwl 0x2e(%rbx),%eax
-    de57:	50                   	push   %rax
-    de58:	0f b7 43 2c          	movzwl 0x2c(%rbx),%eax
-    de5c:	50                   	push   %rax
-    de5d:	68 10 fb 00 00       	pushq  $0xfb10
-    de62:	e8 47 86 ff ff       	callq  64ae <printk>
-    de67:	c6 43 0d 01          	movb   $0x1,0xd(%rbx)
-    de6b:	83 c4 10             	add    $0x10,%esp
-    de6e:	e9 db fe ff ff       	jmpq   dd4e <sys_unlink+0xa8>
-    de73:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    de78:	e9 26 ff ff ff       	jmpq   dda3 <sys_unlink+0xfd>
-    de7d:	e8 24 86 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000de82 <sys_link>:
-    de82:	57                   	push   %rdi
-    de83:	56                   	push   %rsi
-    de84:	53                   	push   %rbx
-    de85:	83 ec 1c             	sub    $0x1c,%esp
-    de88:	8b 74 24 30          	mov    0x30(%rsp),%esi
-    de8c:	65 a1 14 00 00 00 89 	movabs %gs:0x1824448900000014,%eax
-    de93:	44 24 18 
-    de96:	31 c0                	xor    %eax,%eax
-    de98:	ff 74 24 2c          	pushq  0x2c(%rsp)
-    de9c:	e8 ba f3 ff ff       	callq  d25b <namei>
-    dea1:	83 c4 10             	add    $0x10,%esp
-    dea4:	85 c0                	test   %eax,%eax
-    dea6:	0f 84 c7 01 00 00    	je     e073 <sys_link+0x1f1>
-    deac:	89 c3                	mov    %eax,%ebx
-    deae:	8b 00                	mov    (%rax),%eax
-    deb0:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    deb5:	66 3d 00 80          	cmp    $0x8000,%ax
-    deb9:	0f 85 f6 00 00 00    	jne    dfb5 <sys_link+0x133>
-    debf:	8d 4c 24 04          	lea    0x4(%rsp),%ecx
-    dec3:	8d 54 24 08          	lea    0x8(%rsp),%edx
-    dec7:	89 f0                	mov    %esi,%eax
-    dec9:	e8 77 f0 ff ff       	callq  cf45 <sys_pipe+0x333>
-    dece:	89 c6                	mov    %eax,%esi
-    ded0:	85 c0                	test   %eax,%eax
-    ded2:	0f 84 f0 00 00 00    	je     dfc8 <sys_link+0x146>
-    ded8:	8b 7c 24 08          	mov    0x8(%rsp),%edi
-    dedc:	85 ff                	test   %edi,%edi
-    dede:	0f 84 f7 00 00 00    	je     dfdb <sys_link+0x159>
-    dee4:	8b 43 2c             	mov    0x2c(%rbx),%eax
-    dee7:	66 39 46 2c          	cmp    %ax,0x2c(%rsi)
-    deeb:	0f 85 05 01 00 00    	jne    dff6 <sys_link+0x174>
-    def1:	ba 02 00 00 00       	mov    $0x2,%edx
-    def6:	89 f0                	mov    %esi,%eax
-    def8:	e8 8f ee ff ff       	callq  cd8c <sys_pipe+0x17a>
-    defd:	85 c0                	test   %eax,%eax
-    deff:	0f 84 0c 01 00 00    	je     e011 <sys_link+0x18f>
-    df05:	83 ec 0c             	sub    $0xc,%esp
-    df08:	8d 44 24 0c          	lea    0xc(%rsp),%eax
-    df0c:	50                   	push   %rax
-    df0d:	89 f9                	mov    %edi,%ecx
-    df0f:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    df13:	89 f0                	mov    %esi,%eax
-    df15:	e8 ef ee ff ff       	callq  ce09 <sys_pipe+0x1f7>
-    df1a:	83 c4 10             	add    $0x10,%esp
-    df1d:	85 c0                	test   %eax,%eax
-    df1f:	0f 85 0a 01 00 00    	jne    e02f <sys_link+0x1ad>
-    df25:	83 ec 0c             	sub    $0xc,%esp
-    df28:	8d 44 24 0c          	lea    0xc(%rsp),%eax
-    df2c:	50                   	push   %rax
-    df2d:	8b 4c 24 18          	mov    0x18(%rsp),%ecx
-    df31:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    df35:	89 f0                	mov    %esi,%eax
-    df37:	e8 b7 f1 ff ff       	callq  d0f3 <sys_pipe+0x4e1>
-    df3c:	83 c4 10             	add    $0x10,%esp
-    df3f:	85 c0                	test   %eax,%eax
-    df41:	0f 84 0e 01 00 00    	je     e055 <sys_link+0x1d3>
-    df47:	66 8b 4b 2e          	mov    0x2e(%rbx),%cx
-    df4b:	8b 14 24             	mov    (%rsp),%edx
-    df4e:	66 89 0a             	mov    %cx,(%rdx)
-    df51:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    df55:	83 ec 0c             	sub    $0xc,%esp
-    df58:	50                   	push   %rax
-    df59:	e8 4f d2 ff ff       	callq  b1ad <brelse>
-    df5e:	89 34 24             	mov    %esi,(%rsp)
-    df61:	e8 c0 cd ff ff       	callq  ad26 <iput>
-    df66:	fe 43 0d             	incb   0xd(%rbx)
-    df69:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 24877 <end+0xa66f>
-    df6f:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    df74:	f7 e9                	imul   %ecx
-    df76:	89 d0                	mov    %edx,%eax
-    df78:	c1 f8 05             	sar    $0x5,%eax
-    df7b:	c1 f9 1f             	sar    $0x1f,%ecx
-    df7e:	29 c8                	sub    %ecx,%eax
-    df80:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 2488a <end+0xa682>
-    df86:	89 43 28             	mov    %eax,0x28(%rbx)
-    df89:	c6 43 33 01          	movb   $0x1,0x33(%rbx)
-    df8d:	89 1c 24             	mov    %ebx,(%rsp)
-    df90:	e8 91 cd ff ff       	callq  ad26 <iput>
-    df95:	83 c4 10             	add    $0x10,%esp
-    df98:	b8 00 00 00 00       	mov    $0x0,%eax
-    df9d:	8b 7c 24 0c          	mov    0xc(%rsp),%edi
-    dfa1:	65 33 3d 14 00 00 00 	xor    %gs:0x14(%rip),%edi        # dfbc <sys_link+0x13a>
-    dfa8:	0f 85 cf 00 00 00    	jne    e07d <sys_link+0x1fb>
-    dfae:	83 c4 10             	add    $0x10,%esp
-    dfb1:	5b                   	pop    %rbx
-    dfb2:	5e                   	pop    %rsi
-    dfb3:	5f                   	pop    %rdi
-    dfb4:	c3                   	retq   
-    dfb5:	83 ec 0c             	sub    $0xc,%esp
-    dfb8:	53                   	push   %rbx
-    dfb9:	e8 68 cd ff ff       	callq  ad26 <iput>
-    dfbe:	83 c4 10             	add    $0x10,%esp
-    dfc1:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    dfc6:	eb d5                	jmp    df9d <sys_link+0x11b>
-    dfc8:	83 ec 0c             	sub    $0xc,%esp
-    dfcb:	53                   	push   %rbx
-    dfcc:	e8 55 cd ff ff       	callq  ad26 <iput>
-    dfd1:	83 c4 10             	add    $0x10,%esp
-    dfd4:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    dfd9:	eb c2                	jmp    df9d <sys_link+0x11b>
-    dfdb:	83 ec 0c             	sub    $0xc,%esp
-    dfde:	53                   	push   %rbx
-    dfdf:	e8 42 cd ff ff       	callq  ad26 <iput>
-    dfe4:	89 34 24             	mov    %esi,(%rsp)
-    dfe7:	e8 3a cd ff ff       	callq  ad26 <iput>
-    dfec:	83 c4 10             	add    $0x10,%esp
-    dfef:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    dff4:	eb a7                	jmp    df9d <sys_link+0x11b>
-    dff6:	83 ec 0c             	sub    $0xc,%esp
-    dff9:	56                   	push   %rsi
-    dffa:	e8 27 cd ff ff       	callq  ad26 <iput>
-    dfff:	89 1c 24             	mov    %ebx,(%rsp)
-    e002:	e8 1f cd ff ff       	callq  ad26 <iput>
-    e007:	83 c4 10             	add    $0x10,%esp
-    e00a:	b8 ee ff ff ff       	mov    $0xffffffee,%eax
-    e00f:	eb 8c                	jmp    df9d <sys_link+0x11b>
-    e011:	83 ec 0c             	sub    $0xc,%esp
-    e014:	56                   	push   %rsi
-    e015:	e8 0c cd ff ff       	callq  ad26 <iput>
-    e01a:	89 1c 24             	mov    %ebx,(%rsp)
-    e01d:	e8 04 cd ff ff       	callq  ad26 <iput>
-    e022:	83 c4 10             	add    $0x10,%esp
-    e025:	b8 f3 ff ff ff       	mov    $0xfffffff3,%eax
-    e02a:	e9 6e ff ff ff       	jmpq   df9d <sys_link+0x11b>
-    e02f:	83 ec 0c             	sub    $0xc,%esp
-    e032:	50                   	push   %rax
-    e033:	e8 75 d1 ff ff       	callq  b1ad <brelse>
-    e038:	89 34 24             	mov    %esi,(%rsp)
-    e03b:	e8 e6 cc ff ff       	callq  ad26 <iput>
-    e040:	89 1c 24             	mov    %ebx,(%rsp)
-    e043:	e8 de cc ff ff       	callq  ad26 <iput>
-    e048:	83 c4 10             	add    $0x10,%esp
-    e04b:	b8 ef ff ff ff       	mov    $0xffffffef,%eax
-    e050:	e9 48 ff ff ff       	jmpq   df9d <sys_link+0x11b>
-    e055:	83 ec 0c             	sub    $0xc,%esp
-    e058:	56                   	push   %rsi
-    e059:	e8 c8 cc ff ff       	callq  ad26 <iput>
-    e05e:	89 1c 24             	mov    %ebx,(%rsp)
-    e061:	e8 c0 cc ff ff       	callq  ad26 <iput>
-    e066:	83 c4 10             	add    $0x10,%esp
-    e069:	b8 e4 ff ff ff       	mov    $0xffffffe4,%eax
-    e06e:	e9 2a ff ff ff       	jmpq   df9d <sys_link+0x11b>
-    e073:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    e078:	e9 20 ff ff ff       	jmpq   df9d <sys_link+0x11b>
-    e07d:	e8 24 84 ff ff       	callq  64a6 <__stack_chk_fail>
-
-000000000000e082 <free_block>:
-    e082:	55                   	push   %rbp
-    e083:	57                   	push   %rdi
-    e084:	56                   	push   %rsi
-    e085:	53                   	push   %rbx
-    e086:	83 ec 0c             	sub    $0xc,%esp
-    e089:	8b 74 24 20          	mov    0x20(%rsp),%esi
-    e08d:	8b 7c 24 24          	mov    0x24(%rsp),%edi
-    e091:	0f b7 05 14 9b 01 00 	movzwl 0x19b14(%rip),%eax        # 27bac <end+0xd9a4>
-    e098:	39 c6                	cmp    %eax,%esi
-    e09a:	0f 84 81 00 00 00    	je     e121 <free_block+0x9f>
-    e0a0:	bb 28 9b 01 00       	mov    $0x19b28,%ebx
-    e0a5:	0f b7 43 54          	movzwl 0x54(%rbx),%eax
-    e0a9:	39 c6                	cmp    %eax,%esi
-    e0ab:	74 22                	je     e0cf <free_block+0x4d>
-    e0ad:	83 c3 68             	add    $0x68,%ebx
-    e0b0:	81 fb 00 9e 01 00    	cmp    $0x19e00,%ebx
-    e0b6:	72 ed                	jb     e0a5 <free_block+0x23>
-    e0b8:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e0bd:	83 ec 0c             	sub    $0xc,%esp
-    e0c0:	68 3c fb 00 00       	pushq  $0xfb3c
-    e0c5:	e8 b9 83 ff ff       	callq  6483 <panic>
-    e0ca:	83 c4 10             	add    $0x10,%esp
-    e0cd:	eb 04                	jmp    e0d3 <free_block+0x51>
-    e0cf:	85 db                	test   %ebx,%ebx
-    e0d1:	74 ea                	je     e0bd <free_block+0x3b>
-    e0d3:	0f b7 43 08          	movzwl 0x8(%rbx),%eax
-    e0d7:	39 f8                	cmp    %edi,%eax
-    e0d9:	7f 08                	jg     e0e3 <free_block+0x61>
-    e0db:	0f b7 43 02          	movzwl 0x2(%rbx),%eax
-    e0df:	39 f8                	cmp    %edi,%eax
-    e0e1:	7f 10                	jg     e0f3 <free_block+0x71>
-    e0e3:	83 ec 0c             	sub    $0xc,%esp
-    e0e6:	68 68 fb 00 00       	pushq  $0xfb68
-    e0eb:	e8 93 83 ff ff       	callq  6483 <panic>
-    e0f0:	83 c4 10             	add    $0x10,%esp
-    e0f3:	83 ec 08             	sub    $0x8,%esp
-    e0f6:	57                   	push   %rdi
-    e0f7:	56                   	push   %rsi
-    e0f8:	e8 0f d1 ff ff       	callq  b20c <get_hash_table>
-    e0fd:	83 c4 10             	add    $0x10,%esp
-    e100:	85 c0                	test   %eax,%eax
-    e102:	74 38                	je     e13c <free_block+0xba>
-    e104:	8a 50 0a             	mov    0xa(%rax),%dl
-    e107:	80 fa 01             	cmp    $0x1,%dl
-    e10a:	74 1c                	je     e128 <free_block+0xa6>
-    e10c:	0f b6 d2             	movzbl %dl,%edx
-    e10f:	52                   	push   %rdx
-    e110:	57                   	push   %rdi
-    e111:	56                   	push   %rsi
-    e112:	68 90 fb 00 00       	pushq  $0xfb90
-    e117:	e8 92 83 ff ff       	callq  64ae <printk>
-    e11c:	83 c4 10             	add    $0x10,%esp
-    e11f:	eb 51                	jmp    e172 <free_block+0xf0>
-    e121:	bb c0 9a 01 00       	mov    $0x19ac0,%ebx
-    e126:	eb ab                	jmp    e0d3 <free_block+0x51>
-    e128:	c6 40 09 00          	movb   $0x0,0x9(%rax)
-    e12c:	c6 40 08 00          	movb   $0x0,0x8(%rax)
-    e130:	83 ec 0c             	sub    $0xc,%esp
-    e133:	50                   	push   %rax
-    e134:	e8 74 d0 ff ff       	callq  b1ad <brelse>
-    e139:	83 c4 10             	add    $0x10,%esp
-    e13c:	0f b7 43 08          	movzwl 0x8(%rbx),%eax
-    e140:	48 29 c7             	sub    %rax,%rdi
-    e143:	89 f8                	mov    %edi,%eax
-    e145:	85 ff                	test   %edi,%edi
-    e147:	78 31                	js     e17a <free_block+0xf8>
-    e149:	c1 f8 0d             	sar    $0xd,%eax
-    e14c:	8d 2c 83             	lea    (%rbx,%rax,4),%ebp
-    e14f:	89 fa                	mov    %edi,%edx
-    e151:	81 e2 ff 1f 00 00    	and    $0x1fff,%edx
-    e157:	8b 45 34             	mov    0x34(%rbp),%eax
-    e15a:	8b 08                	mov    (%rax),%ecx
-    e15c:	b8 00 00 00 00       	mov    $0x0,%eax
-    e161:	0f b3 11             	btr    %edx,(%rcx)
-    e164:	0f 93 c0             	setae  %al
-    e167:	85 c0                	test   %eax,%eax
-    e169:	75 17                	jne    e182 <free_block+0x100>
-    e16b:	8b 45 34             	mov    0x34(%rbp),%eax
-    e16e:	c6 40 09 01          	movb   $0x1,0x9(%rax)
-    e172:	83 c4 0c             	add    $0xc,%esp
-    e175:	5b                   	pop    %rbx
-    e176:	5e                   	pop    %rsi
-    e177:	5f                   	pop    %rdi
-    e178:	5d                   	pop    %rbp
-    e179:	c3                   	retq   
-    e17a:	8d 87 ff 1f 00 00    	lea    0x1fff(%rdi),%eax
-    e180:	eb c7                	jmp    e149 <free_block+0xc7>
-    e182:	83 ec 04             	sub    $0x4,%esp
-    e185:	0f b7 43 08          	movzwl 0x8(%rbx),%eax
-    e189:	8d 44 07 ff          	lea    -0x1(%rdi,%rax,1),%eax
-    e18d:	50                   	push   %rax
-    e18e:	56                   	push   %rsi
-    e18f:	68 23 f6 00 00       	pushq  $0xf623
-    e194:	e8 15 83 ff ff       	callq  64ae <printk>
-    e199:	c7 04 24 bc fb 00 00 	movl   $0xfbbc,(%rsp)
-    e1a0:	e8 de 82 ff ff       	callq  6483 <panic>
-    e1a5:	83 c4 10             	add    $0x10,%esp
-    e1a8:	eb c1                	jmp    e16b <free_block+0xe9>
-
-000000000000e1aa <new_block>:
-    e1aa:	55                   	push   %rbp
-    e1ab:	57                   	push   %rdi
-    e1ac:	56                   	push   %rsi
-    e1ad:	53                   	push   %rbx
-    e1ae:	83 ec 1c             	sub    $0x1c,%esp
-    e1b1:	0f b7 05 14 9b 01 00 	movzwl 0x19b14(%rip),%eax        # 27ccc <end+0xdac4>
-    e1b8:	39 44 24 30          	cmp    %eax,0x30(%rsp)
-    e1bc:	74 3e                	je     e1fc <new_block+0x52>
-    e1be:	bf 28 9b 01 00       	mov    $0x19b28,%edi
-    e1c3:	8b 54 24 30          	mov    0x30(%rsp),%edx
-    e1c7:	0f b7 47 54          	movzwl 0x54(%rdi),%eax
-    e1cb:	39 c2                	cmp    %eax,%edx
-    e1cd:	74 22                	je     e1f1 <new_block+0x47>
-    e1cf:	83 c7 68             	add    $0x68,%edi
-    e1d2:	81 ff 00 9e 01 00    	cmp    $0x19e00,%edi
-    e1d8:	72 ed                	jb     e1c7 <new_block+0x1d>
-    e1da:	bf 00 00 00 00       	mov    $0x0,%edi
-    e1df:	83 ec 0c             	sub    $0xc,%esp
-    e1e2:	68 dc fb 00 00       	pushq  $0xfbdc
-    e1e7:	e8 97 82 ff ff       	callq  6483 <panic>
-    e1ec:	83 c4 10             	add    $0x10,%esp
-    e1ef:	eb 04                	jmp    e1f5 <new_block+0x4b>
-    e1f1:	85 ff                	test   %edi,%edi
-    e1f3:	74 ea                	je     e1df <new_block+0x35>
-    e1f5:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e1fa:	eb 0d                	jmp    e209 <new_block+0x5f>
-    e1fc:	bf c0 9a 01 00       	mov    $0x19ac0,%edi
-    e201:	eb f2                	jmp    e1f5 <new_block+0x4b>
-    e203:	43 83 fb 08          	rex.XB cmp $0x8,%r11d
-    e207:	74 72                	je     e27b <new_block+0xd1>
-    e209:	8b 6c 9f 34          	mov    0x34(%rdi,%rbx,4),%ebp
-    e20d:	85 ed                	test   %ebp,%ebp
-    e20f:	74 f2                	je     e203 <new_block+0x59>
-    e211:	8b 75 00             	mov    0x0(%rbp),%esi
-    e214:	b9 00 00 00 00       	mov    $0x0,%ecx
-    e219:	fc                   	cld    
-    e21a:	ad                   	lods   %ds:(%rsi),%eax
-    e21b:	f7 d0                	not    %eax
-    e21d:	0f bc d0             	bsf    %eax,%edx
-    e220:	74 04                	je     e226 <new_block+0x7c>
-    e222:	01 d1                	add    %edx,%ecx
-    e224:	eb 0b                	jmp    e231 <new_block+0x87>
-    e226:	83 c1 20             	add    $0x20,%ecx
-    e229:	81 f9 00 20 00 00    	cmp    $0x2000,%ecx
-    e22f:	7c e9                	jl     e21a <new_block+0x70>
-    e231:	81 f9 ff 1f 00 00    	cmp    $0x1fff,%ecx
-    e237:	7f ca                	jg     e203 <new_block+0x59>
-    e239:	89 4c 24 0c          	mov    %ecx,0xc(%rsp)
-    e23d:	83 fb 07             	cmp    $0x7,%ebx
-    e240:	0f 8f bb 00 00 00    	jg     e301 <new_block+0x157>
-    e246:	b8 00 00 00 00       	mov    $0x0,%eax
-    e24b:	8b 54 24 0c          	mov    0xc(%rsp),%edx
-    e24f:	0f ab 16             	bts    %edx,(%rsi)
-    e252:	0f 92 c0             	setb   %al
-    e255:	85 c0                	test   %eax,%eax
-    e257:	75 31                	jne    e28a <new_block+0xe0>
-    e259:	c6 45 09 01          	movb   $0x1,0x9(%rbp)
-    e25d:	c1 e3 0d             	shl    $0xd,%ebx
-    e260:	0f b7 47 08          	movzwl 0x8(%rdi),%eax
-    e264:	8d 5c 03 ff          	lea    -0x1(%rbx,%rax,1),%ebx
-    e268:	03 5c 24 0c          	add    0xc(%rsp),%ebx
-    e26c:	0f b7 47 02          	movzwl 0x2(%rdi),%eax
-    e270:	39 d8                	cmp    %ebx,%eax
-    e272:	7f 28                	jg     e29c <new_block+0xf2>
-    e274:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e279:	eb 05                	jmp    e280 <new_block+0xd6>
-    e27b:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e280:	89 d8                	mov    %ebx,%eax
-    e282:	83 c4 1c             	add    $0x1c,%esp
-    e285:	5b                   	pop    %rbx
-    e286:	5e                   	pop    %rsi
-    e287:	5f                   	pop    %rdi
-    e288:	5d                   	pop    %rbp
-    e289:	c3                   	retq   
-    e28a:	83 ec 0c             	sub    $0xc,%esp
-    e28d:	68 34 f6 00 00       	pushq  $0xf634
-    e292:	e8 ec 81 ff ff       	callq  6483 <panic>
-    e297:	83 c4 10             	add    $0x10,%esp
-    e29a:	eb bd                	jmp    e259 <new_block+0xaf>
-    e29c:	83 ec 08             	sub    $0x8,%esp
-    e29f:	53                   	push   %rbx
-    e2a0:	ff 74 24 3c          	pushq  0x3c(%rsp)
-    e2a4:	e8 c9 cf ff ff       	callq  b272 <getblk>
-    e2a9:	89 c6                	mov    %eax,%esi
-    e2ab:	83 c4 10             	add    $0x10,%esp
-    e2ae:	85 c0                	test   %eax,%eax
-    e2b0:	74 2b                	je     e2dd <new_block+0x133>
-    e2b2:	80 7e 0a 01          	cmpb   $0x1,0xa(%rsi)
-    e2b6:	75 37                	jne    e2ef <new_block+0x145>
-    e2b8:	8b 3e                	mov    (%rsi),%edi
-    e2ba:	b8 00 00 00 00       	mov    $0x0,%eax
-    e2bf:	b9 00 01 00 00       	mov    $0x100,%ecx
-    e2c4:	fc                   	cld    
-    e2c5:	f3 ab                	rep stos %eax,%es:(%rdi)
-    e2c7:	c6 46 08 01          	movb   $0x1,0x8(%rsi)
-    e2cb:	c6 46 09 01          	movb   $0x1,0x9(%rsi)
-    e2cf:	83 ec 0c             	sub    $0xc,%esp
-    e2d2:	56                   	push   %rsi
-    e2d3:	e8 d5 ce ff ff       	callq  b1ad <brelse>
-    e2d8:	83 c4 10             	add    $0x10,%esp
-    e2db:	eb a3                	jmp    e280 <new_block+0xd6>
-    e2dd:	83 ec 0c             	sub    $0xc,%esp
-    e2e0:	68 4f f6 00 00       	pushq  $0xf64f
-    e2e5:	e8 99 81 ff ff       	callq  6483 <panic>
-    e2ea:	83 c4 10             	add    $0x10,%esp
-    e2ed:	eb c3                	jmp    e2b2 <new_block+0x108>
-    e2ef:	83 ec 0c             	sub    $0xc,%esp
-    e2f2:	68 6b f6 00 00       	pushq  $0xf66b
-    e2f7:	e8 87 81 ff ff       	callq  6483 <panic>
-    e2fc:	83 c4 10             	add    $0x10,%esp
-    e2ff:	eb b7                	jmp    e2b8 <new_block+0x10e>
-    e301:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e306:	e9 75 ff ff ff       	jmpq   e280 <new_block+0xd6>
-
-000000000000e30b <free_inode>:
-    e30b:	57                   	push   %rdi
-    e30c:	53                   	push   %rbx
-    e30d:	83 ec 04             	sub    $0x4,%esp
-    e310:	8b 7c 24 10          	mov    0x10(%rsp),%edi
-    e314:	85 ff                	test   %edi,%edi
-    e316:	0f 84 f4 00 00 00    	je     e410 <free_inode+0x105>
-    e31c:	66 83 7f 2c 00       	cmpw   $0x0,0x2c(%rdi)
-    e321:	74 4c                	je     e36f <free_inode+0x64>
-    e323:	8b 47 30             	mov    0x30(%rdi),%eax
-    e326:	66 83 f8 01          	cmp    $0x1,%ax
-    e32a:	77 52                	ja     e37e <free_inode+0x73>
-    e32c:	80 7f 0d 00          	cmpb   $0x0,0xd(%rdi)
-    e330:	75 6e                	jne    e3a0 <free_inode+0x95>
-    e332:	8b 47 2c             	mov    0x2c(%rdi),%eax
-    e335:	66 3b 05 14 9b 01 00 	cmp    0x19b14(%rip),%ax        # 27e50 <end+0xdc48>
-    e33c:	0f 84 d4 00 00 00    	je     e416 <free_inode+0x10b>
-    e342:	bb 28 9b 01 00       	mov    $0x19b28,%ebx
-    e347:	66 3b 43 54          	cmp    0x54(%rbx),%ax
-    e34b:	74 65                	je     e3b2 <free_inode+0xa7>
-    e34d:	83 c3 68             	add    $0x68,%ebx
-    e350:	81 fb 00 9e 01 00    	cmp    $0x19e00,%ebx
-    e356:	72 ef                	jb     e347 <free_inode+0x3c>
-    e358:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e35d:	83 ec 0c             	sub    $0xc,%esp
-    e360:	68 50 fc 00 00       	pushq  $0xfc50
-    e365:	e8 19 81 ff ff       	callq  6483 <panic>
-    e36a:	83 c4 10             	add    $0x10,%esp
-    e36d:	eb 47                	jmp    e3b6 <free_inode+0xab>
-    e36f:	b0 00                	mov    $0x0,%al
-    e371:	b9 38 00 00 00       	mov    $0x38,%ecx
-    e376:	fc                   	cld    
-    e377:	f3 aa                	rep stos %al,%es:(%rdi)
-    e379:	e9 92 00 00 00       	jmpq   e410 <free_inode+0x105>
-    e37e:	83 ec 08             	sub    $0x8,%esp
-    e381:	0f b7 c0             	movzwl %ax,%eax
-    e384:	50                   	push   %rax
-    e385:	68 0c fc 00 00       	pushq  $0xfc0c
-    e38a:	e8 1f 81 ff ff       	callq  64ae <printk>
-    e38f:	c7 04 24 84 f6 00 00 	movl   $0xf684,(%rsp)
-    e396:	e8 e8 80 ff ff       	callq  6483 <panic>
-    e39b:	83 c4 10             	add    $0x10,%esp
-    e39e:	eb 8c                	jmp    e32c <free_inode+0x21>
-    e3a0:	83 ec 0c             	sub    $0xc,%esp
-    e3a3:	68 30 fc 00 00       	pushq  $0xfc30
-    e3a8:	e8 d6 80 ff ff       	callq  6483 <panic>
-    e3ad:	83 c4 10             	add    $0x10,%esp
-    e3b0:	eb 80                	jmp    e332 <free_inode+0x27>
-    e3b2:	85 db                	test   %ebx,%ebx
-    e3b4:	74 a7                	je     e35d <free_inode+0x52>
-    e3b6:	66 8b 47 2e          	mov    0x2e(%rdi),%ax
-    e3ba:	66 85 c0             	test   %ax,%ax
-    e3bd:	74 05                	je     e3c4 <free_inode+0xb9>
-    e3bf:	66 3b 03             	cmp    (%rbx),%ax
-    e3c2:	76 10                	jbe    e3d4 <free_inode+0xc9>
-    e3c4:	83 ec 0c             	sub    $0xc,%esp
-    e3c7:	68 7c fc 00 00       	pushq  $0xfc7c
-    e3cc:	e8 b2 80 ff ff       	callq  6483 <panic>
-    e3d1:	83 c4 10             	add    $0x10,%esp
-    e3d4:	66 8b 47 2e          	mov    0x2e(%rdi),%ax
-    e3d8:	66 c1 e8 0d          	shr    $0xd,%ax
-    e3dc:	0f b7 c0             	movzwl %ax,%eax
-    e3df:	8b 5c 83 14          	mov    0x14(%rbx,%rax,4),%ebx
-    e3e3:	85 db                	test   %ebx,%ebx
-    e3e5:	74 36                	je     e41d <free_inode+0x112>
-    e3e7:	66 8b 57 2e          	mov    0x2e(%rdi),%dx
-    e3eb:	81 e2 ff 1f 00 00    	and    $0x1fff,%edx
-    e3f1:	8b 0b                	mov    (%rbx),%ecx
-    e3f3:	b8 00 00 00 00       	mov    $0x0,%eax
-    e3f8:	0f b3 11             	btr    %edx,(%rcx)
-    e3fb:	0f 93 c0             	setae  %al
-    e3fe:	85 c0                	test   %eax,%eax
-    e400:	75 2d                	jne    e42f <free_inode+0x124>
-    e402:	c6 43 09 01          	movb   $0x1,0x9(%rbx)
-    e406:	b0 00                	mov    $0x0,%al
-    e408:	b9 38 00 00 00       	mov    $0x38,%ecx
-    e40d:	fc                   	cld    
-    e40e:	f3 aa                	rep stos %al,%es:(%rdi)
-    e410:	83 c4 04             	add    $0x4,%esp
-    e413:	5b                   	pop    %rbx
-    e414:	5f                   	pop    %rdi
-    e415:	c3                   	retq   
-    e416:	bb c0 9a 01 00       	mov    $0x19ac0,%ebx
-    e41b:	eb 99                	jmp    e3b6 <free_inode+0xab>
-    e41d:	83 ec 0c             	sub    $0xc,%esp
-    e420:	68 a8 fc 00 00       	pushq  $0xfca8
-    e425:	e8 59 80 ff ff       	callq  6483 <panic>
-    e42a:	83 c4 10             	add    $0x10,%esp
-    e42d:	eb b8                	jmp    e3e7 <free_inode+0xdc>
-    e42f:	83 ec 0c             	sub    $0xc,%esp
-    e432:	68 c8 fc 00 00       	pushq  $0xfcc8
-    e437:	e8 47 80 ff ff       	callq  6483 <panic>
-    e43c:	83 c4 10             	add    $0x10,%esp
-    e43f:	eb c1                	jmp    e402 <free_inode+0xf7>
-
-000000000000e441 <new_inode>:
-    e441:	55                   	push   %rbp
-    e442:	57                   	push   %rdi
-    e443:	56                   	push   %rsi
-    e444:	53                   	push   %rbx
-    e445:	83 ec 1c             	sub    $0x1c,%esp
-    e448:	e8 ce c9 ff ff       	callq  ae1b <get_empty_inode>
-    e44d:	89 44 24 0c          	mov    %eax,0xc(%rsp)
-    e451:	85 c0                	test   %eax,%eax
-    e453:	0f 84 10 01 00 00    	je     e569 <new_inode+0x128>
-    e459:	0f b7 05 14 9b 01 00 	movzwl 0x19b14(%rip),%eax        # 27f74 <end+0xdd6c>
-    e460:	39 44 24 30          	cmp    %eax,0x30(%rsp)
-    e464:	74 43                	je     e4a9 <new_inode+0x68>
-    e466:	bf 28 9b 01 00       	mov    $0x19b28,%edi
-    e46b:	8b 54 24 30          	mov    0x30(%rsp),%edx
-    e46f:	0f b7 47 54          	movzwl 0x54(%rdi),%eax
-    e473:	39 c2                	cmp    %eax,%edx
-    e475:	74 22                	je     e499 <new_inode+0x58>
-    e477:	83 c7 68             	add    $0x68,%edi
-    e47a:	81 ff 00 9e 01 00    	cmp    $0x19e00,%edi
-    e480:	72 ed                	jb     e46f <new_inode+0x2e>
-    e482:	bf 00 00 00 00       	mov    $0x0,%edi
-    e487:	83 ec 0c             	sub    $0xc,%esp
-    e48a:	68 8f f6 00 00       	pushq  $0xf68f
-    e48f:	e8 ef 7f ff ff       	callq  6483 <panic>
-    e494:	83 c4 10             	add    $0x10,%esp
-    e497:	eb 04                	jmp    e49d <new_inode+0x5c>
-    e499:	85 ff                	test   %edi,%edi
-    e49b:	74 ea                	je     e487 <new_inode+0x46>
-    e49d:	be 00 20 00 00       	mov    $0x2000,%esi
-    e4a2:	bb 00 00 00 00       	mov    $0x0,%ebx
-    e4a7:	eb 0d                	jmp    e4b6 <new_inode+0x75>
-    e4a9:	bf c0 9a 01 00       	mov    $0x19ac0,%edi
-    e4ae:	eb ed                	jmp    e49d <new_inode+0x5c>
-    e4b0:	43 83 fb 08          	rex.XB cmp $0x8,%r11d
-    e4b4:	74 34                	je     e4ea <new_inode+0xa9>
-    e4b6:	8b 6c 9f 14          	mov    0x14(%rdi,%rbx,4),%ebp
-    e4ba:	85 ed                	test   %ebp,%ebp
-    e4bc:	74 f2                	je     e4b0 <new_inode+0x6f>
-    e4be:	8b 75 00             	mov    0x0(%rbp),%esi
-    e4c1:	b9 00 00 00 00       	mov    $0x0,%ecx
-    e4c6:	fc                   	cld    
-    e4c7:	ad                   	lods   %ds:(%rsi),%eax
-    e4c8:	f7 d0                	not    %eax
-    e4ca:	0f bc d0             	bsf    %eax,%edx
-    e4cd:	74 04                	je     e4d3 <new_inode+0x92>
-    e4cf:	01 d1                	add    %edx,%ecx
-    e4d1:	eb 0b                	jmp    e4de <new_inode+0x9d>
-    e4d3:	83 c1 20             	add    $0x20,%ecx
-    e4d6:	81 f9 00 20 00 00    	cmp    $0x2000,%ecx
-    e4dc:	7c e9                	jl     e4c7 <new_inode+0x86>
-    e4de:	89 ce                	mov    %ecx,%esi
-    e4e0:	81 f9 ff 1f 00 00    	cmp    $0x1fff,%ecx
-    e4e6:	7f c8                	jg     e4b0 <new_inode+0x6f>
-    e4e8:	eb 10                	jmp    e4fa <new_inode+0xb9>
-    e4ea:	85 ed                	test   %ebp,%ebp
-    e4ec:	0f 84 83 00 00 00    	je     e575 <new_inode+0x134>
-    e4f2:	81 fe ff 1f 00 00    	cmp    $0x1fff,%esi
-    e4f8:	7f 7b                	jg     e575 <new_inode+0x134>
-    e4fa:	89 d8                	mov    %ebx,%eax
-    e4fc:	c1 e0 0d             	shl    $0xd,%eax
-    e4ff:	01 f0                	add    %esi,%eax
-    e501:	0f b7 17             	movzwl (%rdi),%edx
-    e504:	39 d0                	cmp    %edx,%eax
-    e506:	7f 6d                	jg     e575 <new_inode+0x134>
-    e508:	8b 55 00             	mov    0x0(%rbp),%edx
-    e50b:	b8 00 00 00 00       	mov    $0x0,%eax
-    e510:	0f ab 32             	bts    %esi,(%rdx)
-    e513:	0f 92 c0             	setb   %al
-    e516:	85 c0                	test   %eax,%eax
-    e518:	75 74                	jne    e58e <new_inode+0x14d>
-    e51a:	c6 45 09 01          	movb   $0x1,0x9(%rbp)
-    e51e:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    e522:	66 c7 40 30 01 00    	movw   $0x1,0x30(%rax)
-    e528:	c6 40 0d 01          	movb   $0x1,0xd(%rax)
-    e52c:	8b 54 24 30          	mov    0x30(%rsp),%edx
-    e530:	66 89 50 2c          	mov    %dx,0x2c(%rax)
-    e534:	c6 40 33 01          	movb   $0x1,0x33(%rax)
-    e538:	c1 e3 0d             	shl    $0xd,%ebx
-    e53b:	01 f3                	add    %esi,%ebx
-    e53d:	89 c6                	mov    %eax,%esi
-    e53f:	66 89 58 2e          	mov    %bx,0x2e(%rax)
-    e543:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 24e51 <end+0xac49>
-    e549:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    e54e:	f7 e9                	imul   %ecx
-    e550:	89 d0                	mov    %edx,%eax
-    e552:	c1 f8 05             	sar    $0x5,%eax
-    e555:	c1 f9 1f             	sar    $0x1f,%ecx
-    e558:	29 c8                	sub    %ecx,%eax
-    e55a:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 24e64 <end+0xac5c>
-    e560:	89 46 28             	mov    %eax,0x28(%rsi)
-    e563:	89 46 24             	mov    %eax,0x24(%rsi)
-    e566:	89 46 08             	mov    %eax,0x8(%rsi)
-    e569:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    e56d:	83 c4 1c             	add    $0x1c,%esp
-    e570:	5b                   	pop    %rbx
-    e571:	5e                   	pop    %rsi
-    e572:	5f                   	pop    %rdi
-    e573:	5d                   	pop    %rbp
-    e574:	c3                   	retq   
-    e575:	83 ec 0c             	sub    $0xc,%esp
-    e578:	ff 74 24 18          	pushq  0x18(%rsp)
-    e57c:	e8 a5 c7 ff ff       	callq  ad26 <iput>
-    e581:	83 c4 10             	add    $0x10,%esp
-    e584:	c7 44 24 0c 00 00 00 	movl   $0x0,0xc(%rsp)
-    e58b:	00 
-    e58c:	eb db                	jmp    e569 <new_inode+0x128>
-    e58e:	83 ec 0c             	sub    $0xc,%esp
-    e591:	68 ad f6 00 00       	pushq  $0xf6ad
-    e596:	e8 e8 7e ff ff       	callq  6483 <panic>
-    e59b:	83 c4 10             	add    $0x10,%esp
-    e59e:	e9 77 ff ff ff       	jmpq   e51a <new_inode+0xd9>
-    e5a3:	83 f8 13             	cmp    $0x13,%eax
-    e5a6:	77 58                	ja     e600 <new_inode+0x1bf>
-    e5a8:	56                   	push   %rsi
-    e5a9:	53                   	push   %rbx
-    e5aa:	8b 1d 00 2d 01 00    	mov    0x12d00(%rip),%ebx        # 212b0 <end+0x70a8>
-    e5b0:	8b 84 83 f8 00 00 00 	mov    0xf8(%rbx,%rax,4),%eax
-    e5b7:	85 c0                	test   %eax,%eax
-    e5b9:	74 4b                	je     e606 <new_inode+0x1c5>
-    e5bb:	83 fa 13             	cmp    $0x13,%edx
-    e5be:	77 4d                	ja     e60d <new_inode+0x1cc>
-    e5c0:	83 bc 93 f8 00 00 00 	cmpl   $0x0,0xf8(%rbx,%rdx,4)
-    e5c7:	00 
-    e5c8:	74 10                	je     e5da <new_inode+0x199>
-    e5ca:	42 83 fa 14          	rex.X cmp $0x14,%edx
-    e5ce:	74 29                	je     e5f9 <new_inode+0x1b8>
-    e5d0:	83 bc 93 f8 00 00 00 	cmpl   $0x0,0xf8(%rbx,%rdx,4)
-    e5d7:	00 
-    e5d8:	75 f0                	jne    e5ca <new_inode+0x189>
-    e5da:	be fe ff ff ff       	mov    $0xfffffffe,%esi
-    e5df:	88 d1                	mov    %dl,%cl
-    e5e1:	d3 c6                	rol    %cl,%esi
-    e5e3:	21 b3 f4 00 00 00    	and    %esi,0xf4(%rbx)
-    e5e9:	89 84 93 f8 00 00 00 	mov    %eax,0xf8(%rbx,%rdx,4)
-    e5f0:	66 ff 40 04          	incw   0x4(%rax)
-    e5f4:	89 d0                	mov    %edx,%eax
-    e5f6:	5b                   	pop    %rbx
-    e5f7:	5e                   	pop    %rsi
-    e5f8:	c3                   	retq   
-    e5f9:	b8 e8 ff ff ff       	mov    $0xffffffe8,%eax
-    e5fe:	eb f6                	jmp    e5f6 <new_inode+0x1b5>
-    e600:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e605:	c3                   	retq   
-    e606:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e60b:	eb e9                	jmp    e5f6 <new_inode+0x1b5>
-    e60d:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    e612:	eb e2                	jmp    e5f6 <new_inode+0x1b5>
-
-000000000000e614 <sys_dup2>:
-    e614:	53                   	push   %rbx
-    e615:	83 ec 14             	sub    $0x14,%esp
-    e618:	8b 5c 24 20          	mov    0x20(%rsp),%ebx
-    e61c:	53                   	push   %rbx
-    e61d:	e8 77 be ff ff       	callq  a499 <sys_close>
-    e622:	89 da                	mov    %ebx,%edx
-    e624:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    e628:	e8 76 ff ff ff       	callq  e5a3 <new_inode+0x162>
-    e62d:	83 c4 18             	add    $0x18,%esp
-    e630:	5b                   	pop    %rbx
-    e631:	c3                   	retq   
-
-000000000000e632 <sys_dup>:
-    e632:	ba 00 00 00 00       	mov    $0x0,%edx
-    e637:	8b 44 24 04          	mov    0x4(%rsp),%eax
-    e63b:	e8 63 ff ff ff       	callq  e5a3 <new_inode+0x162>
-    e640:	c3                   	retq   
-
-000000000000e641 <sys_fcntl>:
-    e641:	53                   	push   %rbx
-    e642:	8b 4c 24 08          	mov    0x8(%rsp),%ecx
-    e646:	8b 44 24 0c          	mov    0xc(%rsp),%eax
-    e64a:	83 f9 13             	cmp    $0x13,%ecx
-    e64d:	0f 87 91 00 00 00    	ja     e6e4 <sys_fcntl+0xa3>
-    e653:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 21359 <end+0x7151>
-    e659:	8b 9c 8a f8 00 00 00 	mov    0xf8(%rdx,%rcx,4),%ebx
-    e660:	85 db                	test   %ebx,%ebx
-    e662:	0f 84 83 00 00 00    	je     e6eb <sys_fcntl+0xaa>
-    e668:	83 f8 04             	cmp    $0x4,%eax
-    e66b:	0f 87 81 00 00 00    	ja     e6f2 <sys_fcntl+0xb1>
-    e671:	ff 24 85 40 f0 00 00 	jmpq   *0xf040(,%rax,4)
-    e678:	8b 54 24 10          	mov    0x10(%rsp),%edx
-    e67c:	89 c8                	mov    %ecx,%eax
-    e67e:	e8 20 ff ff ff       	callq  e5a3 <new_inode+0x162>
-    e683:	5b                   	pop    %rbx
-    e684:	c3                   	retq   
-    e685:	8b 82 f4 00 00 00    	mov    0xf4(%rdx),%eax
-    e68b:	d3 e8                	shr    %cl,%eax
-    e68d:	83 e0 01             	and    $0x1,%eax
-    e690:	eb f1                	jmp    e683 <sys_fcntl+0x42>
-    e692:	f6 44 24 10 01       	testb  $0x1,0x10(%rsp)
-    e697:	74 14                	je     e6ad <sys_fcntl+0x6c>
-    e699:	b8 01 00 00 00       	mov    $0x1,%eax
-    e69e:	d3 e0                	shl    %cl,%eax
-    e6a0:	09 82 f4 00 00 00    	or     %eax,0xf4(%rdx)
-    e6a6:	b8 00 00 00 00       	mov    $0x0,%eax
-    e6ab:	eb d6                	jmp    e683 <sys_fcntl+0x42>
-    e6ad:	b8 fe ff ff ff       	mov    $0xfffffffe,%eax
-    e6b2:	d3 c0                	rol    %cl,%eax
-    e6b4:	21 82 f4 00 00 00    	and    %eax,0xf4(%rdx)
-    e6ba:	b8 00 00 00 00       	mov    $0x0,%eax
-    e6bf:	eb c2                	jmp    e683 <sys_fcntl+0x42>
-    e6c1:	0f b7 43 02          	movzwl 0x2(%rbx),%eax
-    e6c5:	eb bc                	jmp    e683 <sys_fcntl+0x42>
-    e6c7:	66 8b 53 02          	mov    0x2(%rbx),%dx
-    e6cb:	80 e6 f3             	and    $0xf3,%dh
-    e6ce:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    e6d2:	25 00 0c 00 00       	and    $0xc00,%eax
-    e6d7:	09 d0                	or     %edx,%eax
-    e6d9:	66 89 43 02          	mov    %ax,0x2(%rbx)
-    e6dd:	b8 00 00 00 00       	mov    $0x0,%eax
-    e6e2:	eb 9f                	jmp    e683 <sys_fcntl+0x42>
-    e6e4:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e6e9:	eb 98                	jmp    e683 <sys_fcntl+0x42>
-    e6eb:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e6f0:	eb 91                	jmp    e683 <sys_fcntl+0x42>
-    e6f2:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    e6f7:	eb 8a                	jmp    e683 <sys_fcntl+0x42>
-
-000000000000e6f9 <sys_ioctl>:
-    e6f9:	56                   	push   %rsi
-    e6fa:	53                   	push   %rbx
-    e6fb:	83 ec 04             	sub    $0x4,%esp
-    e6fe:	8b 44 24 10          	mov    0x10(%rsp),%eax
-    e702:	83 f8 13             	cmp    $0x13,%eax
-    e705:	77 6a                	ja     e771 <sys_ioctl+0x78>
-    e707:	8b 15 00 2d 01 00    	mov    0x12d00(%rip),%edx        # 2140d <end+0x7205>
-    e70d:	8b 84 82 f8 00 00 00 	mov    0xf8(%rdx,%rax,4),%eax
-    e714:	85 c0                	test   %eax,%eax
-    e716:	74 60                	je     e778 <sys_ioctl+0x7f>
-    e718:	8b 50 08             	mov    0x8(%rax),%edx
-    e71b:	8b 02                	mov    (%rdx),%eax
-    e71d:	25 00 b0 ff ff       	and    $0xffffb000,%eax
-    e722:	66 3d 00 20          	cmp    $0x2000,%ax
-    e726:	74 07                	je     e72f <sys_ioctl+0x36>
-    e728:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    e72d:	eb 2a                	jmp    e759 <sys_ioctl+0x60>
-    e72f:	0f b7 72 0e          	movzwl 0xe(%rdx),%esi
-    e733:	89 f3                	mov    %esi,%ebx
-    e735:	c1 eb 08             	shr    $0x8,%ebx
-    e738:	83 fb 07             	cmp    $0x7,%ebx
-    e73b:	77 22                	ja     e75f <sys_ioctl+0x66>
-    e73d:	8b 04 9d 60 f0 00 00 	mov    0xf060(,%rbx,4),%eax
-    e744:	85 c0                	test   %eax,%eax
-    e746:	74 37                	je     e77f <sys_ioctl+0x86>
-    e748:	83 ec 04             	sub    $0x4,%esp
-    e74b:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    e74f:	ff 74 24 1c          	pushq  0x1c(%rsp)
-    e753:	56                   	push   %rsi
-    e754:	ff d0                	callq  *%rax
-    e756:	83 c4 10             	add    $0x10,%esp
-    e759:	83 c4 04             	add    $0x4,%esp
-    e75c:	5b                   	pop    %rbx
-    e75d:	5e                   	pop    %rsi
-    e75e:	c3                   	retq   
-    e75f:	83 ec 0c             	sub    $0xc,%esp
-    e762:	68 c8 f6 00 00       	pushq  $0xf6c8
-    e767:	e8 17 7d ff ff       	callq  6483 <panic>
-    e76c:	83 c4 10             	add    $0x10,%esp
-    e76f:	eb cc                	jmp    e73d <sys_ioctl+0x44>
-    e771:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e776:	eb e1                	jmp    e759 <sys_ioctl+0x60>
-    e778:	b8 f7 ff ff ff       	mov    $0xfffffff7,%eax
-    e77d:	eb da                	jmp    e759 <sys_ioctl+0x60>
-    e77f:	b8 e7 ff ff ff       	mov    $0xffffffe7,%eax
-    e784:	eb d3                	jmp    e759 <sys_ioctl+0x60>
-
-000000000000e786 <tty_ioctl>:
-    e786:	55                   	push   %rbp
-    e787:	57                   	push   %rdi
-    e788:	56                   	push   %rsi
-    e789:	53                   	push   %rbx
-    e78a:	83 ec 3c             	sub    $0x3c,%esp
-    e78d:	8b 74 24 58          	mov    0x58(%rsp),%esi
-    e791:	65 a1 14 00 00 00 89 	movabs %gs:0x2c24448900000014,%eax
-    e798:	44 24 2c 
-    e79b:	31 c0                	xor    %eax,%eax
-    e79d:	8b 44 24 50          	mov    0x50(%rsp),%eax
-    e7a1:	c1 e8 08             	shr    $0x8,%eax
-    e7a4:	83 f8 05             	cmp    $0x5,%eax
-    e7a7:	74 33                	je     e7dc <tty_ioctl+0x56>
-    e7a9:	0f b6 5c 24 50       	movzbl 0x50(%rsp),%ebx
-    e7ae:	8d 3c 1b             	lea    (%rbx,%rbx,1),%edi
-    e7b1:	01 df                	add    %ebx,%edi
-    e7b3:	89 f8                	mov    %edi,%eax
-    e7b5:	c1 e0 05             	shl    $0x5,%eax
-    e7b8:	01 c7                	add    %eax,%edi
-    e7ba:	c1 e7 05             	shl    $0x5,%edi
-    e7bd:	8d 9f 60 3e 01 00    	lea    0x13e60(%rdi),%ebx
-    e7c3:	8b 44 24 54          	mov    0x54(%rsp),%eax
-    e7c7:	2d 01 54 00 00       	sub    $0x5401,%eax
-    e7cc:	83 f8 10             	cmp    $0x10,%eax
-    e7cf:	0f 87 11 02 00 00    	ja     e9e6 <tty_ioctl+0x260>
-    e7d5:	ff 24 85 80 f0 00 00 	jmpq   *0xf080(,%rax,4)
-    e7dc:	a1 00 2d 01 00 8b 98 	movabs 0xe4988b00012d00,%eax
-    e7e3:	e4 00 
-    e7e5:	00 00                	add    %al,(%rax)
-    e7e7:	85 db                	test   %ebx,%ebx
-    e7e9:	79 c3                	jns    e7ae <tty_ioctl+0x28>
-    e7eb:	83 ec 0c             	sub    $0xc,%esp
-    e7ee:	68 e1 f6 00 00       	pushq  $0xf6e1
-    e7f3:	e8 8b 7c ff ff       	callq  6483 <panic>
-    e7f8:	83 c4 10             	add    $0x10,%esp
-    e7fb:	eb b1                	jmp    e7ae <tty_ioctl+0x28>
-    e7fd:	b8 00 00 00 00       	mov    $0x0,%eax
-    e802:	e9 1c 01 00 00       	jmpq   e923 <tty_ioctl+0x19d>
-    e807:	83 ec 08             	sub    $0x8,%esp
-    e80a:	6a 24                	pushq  $0x24
-    e80c:	56                   	push   %rsi
-    e80d:	e8 37 78 ff ff       	callq  6049 <verify_area>
-    e812:	8d 4e 24             	lea    0x24(%rsi),%ecx
-    e815:	83 c4 10             	add    $0x10,%esp
-    e818:	89 f0                	mov    %esi,%eax
-    e81a:	29 f3                	sub    %esi,%ebx
-    e81c:	8a 14 03             	mov    (%rbx,%rax,1),%dl
-    e81f:	64 88 10             	mov    %dl,%fs:(%rax)
-    e822:	40 39 c8             	rex cmp %ecx,%eax
-    e825:	75 f5                	jne    e81c <tty_ioctl+0x96>
-    e827:	b8 00 00 00 00       	mov    $0x0,%eax
-    e82c:	e9 f2 00 00 00       	jmpq   e923 <tty_ioctl+0x19d>
-    e831:	fa                   	cli    
-    e832:	8b 43 38             	mov    0x38(%rbx),%eax
-    e835:	89 43 34             	mov    %eax,0x34(%rbx)
-    e838:	fb                   	sti    
-    e839:	8d 4e 24             	lea    0x24(%rsi),%ecx
-    e83c:	89 f2                	mov    %esi,%edx
-    e83e:	29 f3                	sub    %esi,%ebx
-    e840:	64 8a 02             	mov    %fs:(%rdx),%al
-    e843:	88 04 13             	mov    %al,(%rbx,%rdx,1)
-    e846:	42 39 ca             	rex.X cmp %ecx,%edx
-    e849:	75 f5                	jne    e840 <tty_ioctl+0xba>
-    e84b:	b8 00 00 00 00       	mov    $0x0,%eax
-    e850:	e9 ce 00 00 00       	jmpq   e923 <tty_ioctl+0x19d>
-    e855:	83 ec 08             	sub    $0x8,%esp
-    e858:	6a 12                	pushq  $0x12
-    e85a:	56                   	push   %rsi
-    e85b:	e8 e9 77 ff ff       	callq  6049 <verify_area>
-    e860:	8b 87 60 3e 01 00    	mov    0x13e60(%rdi),%eax
-    e866:	66 89 44 24 2a       	mov    %ax,0x2a(%rsp)
-    e86b:	8b 43 04             	mov    0x4(%rbx),%eax
-    e86e:	66 89 44 24 2c       	mov    %ax,0x2c(%rsp)
-    e873:	8b 43 08             	mov    0x8(%rbx),%eax
-    e876:	66 89 44 24 2e       	mov    %ax,0x2e(%rsp)
-    e87b:	8b 43 0c             	mov    0xc(%rbx),%eax
-    e87e:	66 89 44 24 30       	mov    %ax,0x30(%rsp)
-    e883:	8a 43 10             	mov    0x10(%rbx),%al
-    e886:	88 44 24 32          	mov    %al,0x32(%rsp)
-    e88a:	83 c4 10             	add    $0x10,%esp
-    e88d:	b8 00 00 00 00       	mov    $0x0,%eax
-    e892:	8a 4c 03 11          	mov    0x11(%rbx,%rax,1),%cl
-    e896:	88 4c 04 23          	mov    %cl,0x23(%rsp,%rax,1)
-    e89a:	40 83 f8 08          	rex cmp $0x8,%eax
-    e89e:	75 f2                	jne    e892 <tty_ioctl+0x10c>
-    e8a0:	8d 5e 12             	lea    0x12(%rsi),%ebx
-    e8a3:	89 f0                	mov    %esi,%eax
-    e8a5:	8d 4c 24 1a          	lea    0x1a(%rsp),%ecx
-    e8a9:	29 f1                	sub    %esi,%ecx
-    e8ab:	8a 14 01             	mov    (%rcx,%rax,1),%dl
-    e8ae:	64 88 10             	mov    %dl,%fs:(%rax)
-    e8b1:	40 39 d8             	rex cmp %ebx,%eax
-    e8b4:	75 f5                	jne    e8ab <tty_ioctl+0x125>
-    e8b6:	b8 00 00 00 00       	mov    $0x0,%eax
-    e8bb:	eb 66                	jmp    e923 <tty_ioctl+0x19d>
-    e8bd:	fa                   	cli    
-    e8be:	8b 43 38             	mov    0x38(%rbx),%eax
-    e8c1:	89 43 34             	mov    %eax,0x34(%rbx)
-    e8c4:	fb                   	sti    
-    e8c5:	8d 6e 12             	lea    0x12(%rsi),%ebp
-    e8c8:	89 f2                	mov    %esi,%edx
-    e8ca:	8d 4c 24 1a          	lea    0x1a(%rsp),%ecx
-    e8ce:	29 f1                	sub    %esi,%ecx
-    e8d0:	64 8a 02             	mov    %fs:(%rdx),%al
-    e8d3:	88 04 11             	mov    %al,(%rcx,%rdx,1)
-    e8d6:	42 39 ea             	rex.X cmp %ebp,%edx
-    e8d9:	75 f5                	jne    e8d0 <tty_ioctl+0x14a>
-    e8db:	66 8b 44 24 1a       	mov    0x1a(%rsp),%ax
-    e8e0:	66 89 87 60 3e 01 00 	mov    %ax,0x13e60(%rdi)
-    e8e7:	8b 44 24 1c          	mov    0x1c(%rsp),%eax
-    e8eb:	66 89 43 04          	mov    %ax,0x4(%rbx)
-    e8ef:	66 8b 44 24 1e       	mov    0x1e(%rsp),%ax
-    e8f4:	66 89 43 08          	mov    %ax,0x8(%rbx)
-    e8f8:	8b 44 24 20          	mov    0x20(%rsp),%eax
-    e8fc:	66 89 43 0c          	mov    %ax,0xc(%rbx)
-    e900:	8a 44 24 22          	mov    0x22(%rsp),%al
-    e904:	88 43 10             	mov    %al,0x10(%rbx)
-    e907:	b8 00 00 00 00       	mov    $0x0,%eax
-    e90c:	8a 4c 04 23          	mov    0x23(%rsp,%rax,1),%cl
-    e910:	88 4c 24 0f          	mov    %cl,0xf(%rsp)
-    e914:	88 4c 03 11          	mov    %cl,0x11(%rbx,%rax,1)
-    e918:	40 83 f8 08          	rex cmp $0x8,%eax
-    e91c:	75 ee                	jne    e90c <tty_ioctl+0x186>
-    e91e:	b8 00 00 00 00       	mov    $0x0,%eax
-    e923:	8b 74 24 2c          	mov    0x2c(%rsp),%esi
-    e927:	65 33 35 14 00 00 00 	xor    %gs:0x14(%rip),%esi        # e942 <tty_ioctl+0x1bc>
-    e92e:	0f 85 c6 00 00 00    	jne    e9fa <tty_ioctl+0x274>
-    e934:	83 c4 3c             	add    $0x3c,%esp
-    e937:	5b                   	pop    %rbx
-    e938:	5e                   	pop    %rsi
-    e939:	5f                   	pop    %rdi
-    e93a:	5d                   	pop    %rbp
-    e93b:	c3                   	retq   
-    e93c:	85 f6                	test   %esi,%esi
-    e93e:	74 2b                	je     e96b <tty_ioctl+0x1e5>
-    e940:	83 fe 01             	cmp    $0x1,%esi
-    e943:	74 32                	je     e977 <tty_ioctl+0x1f1>
-    e945:	83 fe 02             	cmp    $0x2,%esi
-    e948:	0f 85 a2 00 00 00    	jne    e9f0 <tty_ioctl+0x26a>
-    e94e:	fa                   	cli    
-    e94f:	8b 43 38             	mov    0x38(%rbx),%eax
-    e952:	89 43 34             	mov    %eax,0x34(%rbx)
-    e955:	fb                   	sti    
-    e956:	fa                   	cli    
-    e957:	8b 83 48 04 00 00    	mov    0x448(%rbx),%eax
-    e95d:	89 83 44 04 00 00    	mov    %eax,0x444(%rbx)
-    e963:	fb                   	sti    
-    e964:	b8 00 00 00 00       	mov    $0x0,%eax
-    e969:	eb b8                	jmp    e923 <tty_ioctl+0x19d>
-    e96b:	fa                   	cli    
-    e96c:	8b 43 38             	mov    0x38(%rbx),%eax
-    e96f:	89 43 34             	mov    %eax,0x34(%rbx)
-    e972:	fb                   	sti    
-    e973:	89 f0                	mov    %esi,%eax
-    e975:	eb ac                	jmp    e923 <tty_ioctl+0x19d>
-    e977:	fa                   	cli    
-    e978:	8b 83 48 04 00 00    	mov    0x448(%rbx),%eax
-    e97e:	89 83 44 04 00 00    	mov    %eax,0x444(%rbx)
-    e984:	fb                   	sti    
-    e985:	b8 00 00 00 00       	mov    $0x0,%eax
-    e98a:	eb 97                	jmp    e923 <tty_ioctl+0x19d>
-    e98c:	83 ec 08             	sub    $0x8,%esp
-    e98f:	6a 04                	pushq  $0x4
-    e991:	56                   	push   %rsi
-    e992:	e8 b2 76 ff ff       	callq  6049 <verify_area>
-    e997:	8b 43 24             	mov    0x24(%rbx),%eax
-    e99a:	64 89 06             	mov    %eax,%fs:(%rsi)
-    e99d:	83 c4 10             	add    $0x10,%esp
-    e9a0:	b8 00 00 00 00       	mov    $0x0,%eax
-    e9a5:	e9 79 ff ff ff       	jmpq   e923 <tty_ioctl+0x19d>
-    e9aa:	64 8b 06             	mov    %fs:(%rsi),%eax
-    e9ad:	89 43 24             	mov    %eax,0x24(%rbx)
-    e9b0:	b8 00 00 00 00       	mov    $0x0,%eax
-    e9b5:	e9 69 ff ff ff       	jmpq   e923 <tty_ioctl+0x19d>
-    e9ba:	83 ec 08             	sub    $0x8,%esp
-    e9bd:	6a 04                	pushq  $0x4
-    e9bf:	56                   	push   %rsi
-    e9c0:	e8 84 76 ff ff       	callq  6049 <verify_area>
-    e9c5:	8b 83 44 04 00 00    	mov    0x444(%rbx),%eax
-    e9cb:	2b 83 48 04 00 00    	sub    0x448(%rbx),%eax
-    e9d1:	25 ff 03 00 00       	and    $0x3ff,%eax
-    e9d6:	64 89 06             	mov    %eax,%fs:(%rsi)
-    e9d9:	83 c4 10             	add    $0x10,%esp
-    e9dc:	b8 00 00 00 00       	mov    $0x0,%eax
-    e9e1:	e9 3d ff ff ff       	jmpq   e923 <tty_ioctl+0x19d>
-    e9e6:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    e9eb:	e9 33 ff ff ff       	jmpq   e923 <tty_ioctl+0x19d>
-    e9f0:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
-    e9f5:	e9 29 ff ff ff       	jmpq   e923 <tty_ioctl+0x19d>
-    e9fa:	e8 a7 7a ff ff       	callq  64a6 <__stack_chk_fail>
-    e9ff:	85 d2                	test   %edx,%edx
-    ea01:	75 01                	jne    ea04 <tty_ioctl+0x27e>
-    ea03:	c3                   	retq   
-    ea04:	55                   	push   %rbp
-    ea05:	57                   	push   %rdi
-    ea06:	56                   	push   %rsi
-    ea07:	53                   	push   %rbx
-    ea08:	83 ec 24             	sub    $0x24,%esp
-    ea0b:	89 54 24 14          	mov    %edx,0x14(%rsp)
-    ea0f:	89 c7                	mov    %eax,%edi
-    ea11:	52                   	push   %rdx
-    ea12:	50                   	push   %rax
-    ea13:	e8 1d cb ff ff       	callq  b535 <bread>
-    ea18:	89 c5                	mov    %eax,%ebp
-    ea1a:	83 c4 10             	add    $0x10,%esp
-    ea1d:	85 c0                	test   %eax,%eax
-    ea1f:	74 37                	je     ea58 <tty_ioctl+0x2d2>
-    ea21:	8b 18                	mov    (%rax),%ebx
-    ea23:	8d b3 00 04 00 00    	lea    0x400(%rbx),%esi
-    ea29:	eb 07                	jmp    ea32 <tty_ioctl+0x2ac>
-    ea2b:	83 c3 02             	add    $0x2,%ebx
-    ea2e:	39 de                	cmp    %ebx,%esi
-    ea30:	74 1a                	je     ea4c <tty_ioctl+0x2c6>
-    ea32:	66 8b 03             	mov    (%rbx),%ax
-    ea35:	66 85 c0             	test   %ax,%ax
-    ea38:	74 f1                	je     ea2b <tty_ioctl+0x2a5>
-    ea3a:	83 ec 08             	sub    $0x8,%esp
-    ea3d:	0f b7 c0             	movzwl %ax,%eax
-    ea40:	50                   	push   %rax
-    ea41:	57                   	push   %rdi
-    ea42:	e8 3b f6 ff ff       	callq  e082 <free_block>
-    ea47:	83 c4 10             	add    $0x10,%esp
-    ea4a:	eb df                	jmp    ea2b <tty_ioctl+0x2a5>
-    ea4c:	83 ec 0c             	sub    $0xc,%esp
-    ea4f:	55                   	push   %rbp
-    ea50:	e8 58 c7 ff ff       	callq  b1ad <brelse>
-    ea55:	83 c4 10             	add    $0x10,%esp
-    ea58:	83 ec 08             	sub    $0x8,%esp
-    ea5b:	ff 74 24 14          	pushq  0x14(%rsp)
-    ea5f:	57                   	push   %rdi
-    ea60:	e8 1d f6 ff ff       	callq  e082 <free_block>
-    ea65:	83 c4 2c             	add    $0x2c,%esp
-    ea68:	5b                   	pop    %rbx
-    ea69:	5e                   	pop    %rsi
-    ea6a:	5f                   	pop    %rdi
-    ea6b:	5d                   	pop    %rbp
-    ea6c:	c3                   	retq   
-
-000000000000ea6d <truncate>:
-    ea6d:	55                   	push   %rbp
-    ea6e:	57                   	push   %rdi
-    ea6f:	56                   	push   %rsi
-    ea70:	53                   	push   %rbx
-    ea71:	83 ec 1c             	sub    $0x1c,%esp
-    ea74:	8b 7c 24 30          	mov    0x30(%rsp),%edi
-    ea78:	8b 07                	mov    (%rdi),%eax
-    ea7a:	25 00 f0 ff ff       	and    $0xfffff000,%eax
-    ea7f:	66 3d 00 80          	cmp    $0x8000,%ax
-    ea83:	74 0a                	je     ea8f <truncate+0x22>
-    ea85:	66 3d 00 40          	cmp    $0x4000,%ax
-    ea89:	0f 85 85 00 00 00    	jne    eb14 <truncate+0xa7>
-    ea8f:	8d 5f 0e             	lea    0xe(%rdi),%ebx
-    ea92:	8d 77 1c             	lea    0x1c(%rdi),%esi
-    ea95:	eb 07                	jmp    ea9e <truncate+0x31>
-    ea97:	83 c3 02             	add    $0x2,%ebx
-    ea9a:	39 de                	cmp    %ebx,%esi
-    ea9c:	74 23                	je     eac1 <truncate+0x54>
-    ea9e:	66 8b 03             	mov    (%rbx),%ax
-    eaa1:	66 85 c0             	test   %ax,%ax
-    eaa4:	74 f1                	je     ea97 <truncate+0x2a>
-    eaa6:	83 ec 08             	sub    $0x8,%esp
-    eaa9:	0f b7 c0             	movzwl %ax,%eax
-    eaac:	50                   	push   %rax
-    eaad:	0f b7 47 2c          	movzwl 0x2c(%rdi),%eax
-    eab1:	50                   	push   %rax
-    eab2:	e8 cb f5 ff ff       	callq  e082 <free_block>
-    eab7:	66 c7 03 00 00       	movw   $0x0,(%rbx)
-    eabc:	83 c4 10             	add    $0x10,%esp
-    eabf:	eb d6                	jmp    ea97 <truncate+0x2a>
-    eac1:	0f b7 57 1c          	movzwl 0x1c(%rdi),%edx
-    eac5:	0f b7 47 2c          	movzwl 0x2c(%rdi),%eax
-    eac9:	e8 31 ff ff ff       	callq  e9ff <tty_ioctl+0x279>
-    eace:	0f b7 47 1e          	movzwl 0x1e(%rdi),%eax
-    ead2:	89 44 24 08          	mov    %eax,0x8(%rsp)
-    ead6:	85 c0                	test   %eax,%eax
-    ead8:	75 42                	jne    eb1c <truncate+0xaf>
-    eada:	66 c7 47 1e 00 00    	movw   $0x0,0x1e(%rdi)
-    eae0:	66 c7 47 1c 00 00    	movw   $0x0,0x1c(%rdi)
-    eae6:	c7 47 04 00 00 00 00 	movl   $0x0,0x4(%rdi)
-    eaed:	c6 47 33 01          	movb   $0x1,0x33(%rdi)
-    eaf1:	8b 0d 08 69 01 00    	mov    0x16908(%rip),%ecx        # 253ff <end+0xb1f7>
-    eaf7:	b8 1f 85 eb 51       	mov    $0x51eb851f,%eax
-    eafc:	f7 e9                	imul   %ecx
-    eafe:	89 d0                	mov    %edx,%eax
-    eb00:	c1 f8 05             	sar    $0x5,%eax
-    eb03:	c1 f9 1f             	sar    $0x1f,%ecx
-    eb06:	29 c8                	sub    %ecx,%eax
-    eb08:	03 05 04 69 01 00    	add    0x16904(%rip),%eax        # 25412 <end+0xb20a>
-    eb0e:	89 47 28             	mov    %eax,0x28(%rdi)
-    eb11:	89 47 08             	mov    %eax,0x8(%rdi)
-    eb14:	83 c4 1c             	add    $0x1c,%esp
-    eb17:	5b                   	pop    %rbx
-    eb18:	5e                   	pop    %rsi
-    eb19:	5f                   	pop    %rdi
-    eb1a:	5d                   	pop    %rbp
-    eb1b:	c3                   	retq   
-    eb1c:	0f b7 6f 2c          	movzwl 0x2c(%rdi),%ebp
-    eb20:	83 ec 08             	sub    $0x8,%esp
-    eb23:	ff 74 24 10          	pushq  0x10(%rsp)
-    eb27:	55                   	push   %rbp
-    eb28:	e8 08 ca ff ff       	callq  b535 <bread>
-    eb2d:	89 44 24 1c          	mov    %eax,0x1c(%rsp)
-    eb31:	83 c4 10             	add    $0x10,%esp
-    eb34:	85 c0                	test   %eax,%eax
-    eb36:	74 34                	je     eb6c <truncate+0xff>
-    eb38:	8b 18                	mov    (%rax),%ebx
-    eb3a:	8d b3 00 04 00 00    	lea    0x400(%rbx),%esi
-    eb40:	eb 07                	jmp    eb49 <truncate+0xdc>
-    eb42:	83 c3 02             	add    $0x2,%ebx
-    eb45:	39 f3                	cmp    %esi,%ebx
-    eb47:	74 14                	je     eb5d <truncate+0xf0>
-    eb49:	66 8b 13             	mov    (%rbx),%dx
-    eb4c:	66 85 d2             	test   %dx,%dx
-    eb4f:	74 f1                	je     eb42 <truncate+0xd5>
-    eb51:	0f b7 d2             	movzwl %dx,%edx
-    eb54:	89 e8                	mov    %ebp,%eax
-    eb56:	e8 a4 fe ff ff       	callq  e9ff <tty_ioctl+0x279>
-    eb5b:	eb e5                	jmp    eb42 <truncate+0xd5>
-    eb5d:	83 ec 0c             	sub    $0xc,%esp
-    eb60:	ff 74 24 18          	pushq  0x18(%rsp)
-    eb64:	e8 44 c6 ff ff       	callq  b1ad <brelse>
-    eb69:	83 c4 10             	add    $0x10,%esp
-    eb6c:	83 ec 08             	sub    $0x8,%esp
-    eb6f:	ff 74 24 10          	pushq  0x10(%rsp)
-    eb73:	55                   	push   %rbp
-    eb74:	e8 09 f5 ff ff       	callq  e082 <free_block>
-    eb79:	83 c4 10             	add    $0x10,%esp
-    eb7c:	e9 59 ff ff ff       	jmpq   eada <truncate+0x6d>
-
-000000000000eb81 <_exit>:
-    eb81:	53                   	push   %rbx
-    eb82:	b8 01 00 00 00       	mov    $0x1,%eax
-    eb87:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    eb8b:	cd 80                	int    $0x80
-    eb8d:	5b                   	pop    %rbx
-    eb8e:	c3                   	retq   
-
-000000000000eb8f <open>:
-    eb8f:	56                   	push   %rsi
-    eb90:	53                   	push   %rbx
-    eb91:	be 05 00 00 00       	mov    $0x5,%esi
-    eb96:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    eb9a:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    eb9e:	89 f0                	mov    %esi,%eax
-    eba0:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    eba4:	cd 80                	int    $0x80
-    eba6:	85 c0                	test   %eax,%eax
-    eba8:	78 03                	js     ebad <open+0x1e>
-    ebaa:	5b                   	pop    %rbx
-    ebab:	5e                   	pop    %rsi
-    ebac:	c3                   	retq   
-    ebad:	89 c6                	mov    %eax,%esi
-    ebaf:	f7 de                	neg    %esi
-    ebb1:	89 35 04 a2 01 00    	mov    %esi,0x1a204(%rip)        # 28dbb <end+0xebb3>
-    ebb7:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ebbc:	eb ec                	jmp    ebaa <open+0x1b>
-
-000000000000ebbe <close>:
-    ebbe:	53                   	push   %rbx
-    ebbf:	ba 06 00 00 00       	mov    $0x6,%edx
-    ebc4:	89 d0                	mov    %edx,%eax
-    ebc6:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    ebca:	cd 80                	int    $0x80
-    ebcc:	89 c2                	mov    %eax,%edx
-    ebce:	85 c0                	test   %eax,%eax
-    ebd0:	78 02                	js     ebd4 <close+0x16>
-    ebd2:	5b                   	pop    %rbx
-    ebd3:	c3                   	retq   
-    ebd4:	f7 da                	neg    %edx
-    ebd6:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 28de0 <end+0xebd8>
-    ebdc:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ebe1:	eb ef                	jmp    ebd2 <close+0x14>
-
-000000000000ebe3 <write>:
-    ebe3:	56                   	push   %rsi
-    ebe4:	53                   	push   %rbx
-    ebe5:	be 04 00 00 00       	mov    $0x4,%esi
-    ebea:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    ebee:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    ebf2:	89 f0                	mov    %esi,%eax
-    ebf4:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    ebf8:	cd 80                	int    $0x80
-    ebfa:	89 c6                	mov    %eax,%esi
-    ebfc:	85 c0                	test   %eax,%eax
-    ebfe:	78 03                	js     ec03 <write+0x20>
-    ec00:	5b                   	pop    %rbx
-    ec01:	5e                   	pop    %rsi
-    ec02:	c3                   	retq   
-    ec03:	f7 de                	neg    %esi
-    ec05:	89 35 04 a2 01 00    	mov    %esi,0x1a204(%rip)        # 28e0f <end+0xec07>
-    ec0b:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ec10:	eb ee                	jmp    ec00 <write+0x1d>
-
-000000000000ec12 <dup>:
-    ec12:	53                   	push   %rbx
-    ec13:	ba 29 00 00 00       	mov    $0x29,%edx
-    ec18:	89 d0                	mov    %edx,%eax
-    ec1a:	8b 5c 24 08          	mov    0x8(%rsp),%ebx
-    ec1e:	cd 80                	int    $0x80
-    ec20:	89 c2                	mov    %eax,%edx
-    ec22:	85 c0                	test   %eax,%eax
-    ec24:	78 02                	js     ec28 <dup+0x16>
-    ec26:	5b                   	pop    %rbx
-    ec27:	c3                   	retq   
-    ec28:	f7 da                	neg    %edx
-    ec2a:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 28e34 <end+0xec2c>
-    ec30:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ec35:	eb ef                	jmp    ec26 <dup+0x14>
-
-000000000000ec37 <setsid>:
-    ec37:	ba 42 00 00 00       	mov    $0x42,%edx
-    ec3c:	89 d0                	mov    %edx,%eax
-    ec3e:	cd 80                	int    $0x80
-    ec40:	89 c2                	mov    %eax,%edx
-    ec42:	85 c0                	test   %eax,%eax
-    ec44:	78 01                	js     ec47 <setsid+0x10>
-    ec46:	c3                   	retq   
-    ec47:	f7 da                	neg    %edx
-    ec49:	89 15 04 a2 01 00    	mov    %edx,0x1a204(%rip)        # 28e53 <end+0xec4b>
-    ec4f:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ec54:	eb f0                	jmp    ec46 <setsid+0xf>
-
-000000000000ec56 <execve>:
-    ec56:	56                   	push   %rsi
-    ec57:	53                   	push   %rbx
-    ec58:	be 0b 00 00 00       	mov    $0xb,%esi
-    ec5d:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    ec61:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    ec65:	89 f0                	mov    %esi,%eax
-    ec67:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    ec6b:	cd 80                	int    $0x80
-    ec6d:	89 c6                	mov    %eax,%esi
-    ec6f:	85 c0                	test   %eax,%eax
-    ec71:	78 03                	js     ec76 <execve+0x20>
-    ec73:	5b                   	pop    %rbx
-    ec74:	5e                   	pop    %rsi
-    ec75:	c3                   	retq   
-    ec76:	f7 de                	neg    %esi
-    ec78:	89 35 04 a2 01 00    	mov    %esi,0x1a204(%rip)        # 28e82 <end+0xec7a>
-    ec7e:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ec83:	eb ee                	jmp    ec73 <execve+0x1d>
-
-000000000000ec85 <waitpid>:
-    ec85:	56                   	push   %rsi
-    ec86:	53                   	push   %rbx
-    ec87:	be 07 00 00 00       	mov    $0x7,%esi
-    ec8c:	8b 4c 24 10          	mov    0x10(%rsp),%ecx
-    ec90:	8b 54 24 14          	mov    0x14(%rsp),%edx
-    ec94:	89 f0                	mov    %esi,%eax
-    ec96:	8b 5c 24 0c          	mov    0xc(%rsp),%ebx
-    ec9a:	cd 80                	int    $0x80
-    ec9c:	89 c6                	mov    %eax,%esi
-    ec9e:	85 c0                	test   %eax,%eax
-    eca0:	78 03                	js     eca5 <waitpid+0x20>
-    eca2:	5b                   	pop    %rbx
-    eca3:	5e                   	pop    %rsi
-    eca4:	c3                   	retq   
-    eca5:	f7 de                	neg    %esi
-    eca7:	89 35 04 a2 01 00    	mov    %esi,0x1a204(%rip)        # 28eb1 <end+0xeca9>
-    ecad:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ecb2:	eb ee                	jmp    eca2 <waitpid+0x1d>
-
-000000000000ecb4 <wait>:
-    ecb4:	56                   	push   %rsi
-    ecb5:	53                   	push   %rbx
-    ecb6:	be 07 00 00 00       	mov    $0x7,%esi
-    ecbb:	8b 4c 24 0c          	mov    0xc(%rsp),%ecx
-    ecbf:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
-    ecc4:	ba 00 00 00 00       	mov    $0x0,%edx
-    ecc9:	89 f0                	mov    %esi,%eax
-    eccb:	cd 80                	int    $0x80
-    eccd:	89 c6                	mov    %eax,%esi
-    eccf:	85 c0                	test   %eax,%eax
-    ecd1:	78 03                	js     ecd6 <wait+0x22>
-    ecd3:	5b                   	pop    %rbx
-    ecd4:	5e                   	pop    %rsi
-    ecd5:	c3                   	retq   
-    ecd6:	f7 de                	neg    %esi
-    ecd8:	89 35 04 a2 01 00    	mov    %esi,0x1a204(%rip)        # 28ee2 <end+0xecda>
-    ecde:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
-    ece3:	eb ee                	jmp    ecd3 <wait+0x1f>
diff --git a/tools/system.elf b/tools/system.elf
deleted file mode 100755
index 26bb394ea578e010181845de4bcdf5f5e1fb5a04..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 2206496
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