forked from yourtion/30dayMakeOS
-
Notifications
You must be signed in to change notification settings - Fork 0
/
console.c
309 lines (291 loc) · 7.9 KB
/
console.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
/* 命令行窗口相关 */
#include "bootpack.h"
#include <stdio.h>
#include <string.h>
void console_task(struct SHEET *sheet, unsigned int memtotal)
{
struct TIMER *timer;
struct TASK *task = task_now();
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
int i, fifobuf[128], *fat = (int *) memman_alloc_4k(memman, 4 * 2880);
struct CONSOLE cons;
char cmdline[30];
cons.sht = sheet;
cons.cur_x = 8;
cons.cur_y = 28;
cons.cur_c = -1;
*((int *) 0x0fec) = (int) &cons;
fifo32_init(&task->fifo, 128, fifobuf, task);
timer = timer_alloc();
timer_init(timer, &task->fifo, 1);
timer_settime(timer, 50);
file_readfat(fat, (unsigned char *) (ADR_DISKIMG + 0x000200));
/*显示提示符*/
cons_putchar(&cons, '>', 1);
for (;;) {
io_cli();
if (fifo32_status(&task->fifo) == 0) {
task_sleep(task);
io_sti();
} else {
i = fifo32_get(&task->fifo);
io_sti();
if (i <= 1) { /*光标用定时器*/
if (i != 0) {
timer_init(timer, &task->fifo, 0); /*下次置0 */
if (cons.cur_c >= 0) {
cons.cur_c = COL8_FFFFFF;
}
} else {
timer_init(timer, &task->fifo, 1); /*下次置1 */
if (cons.cur_c >= 0) {
cons.cur_c = COL8_000000;
}
}
timer_settime(timer, 50);
}
if (i == 2) { /*光标ON */
cons.cur_c = COL8_FFFFFF;
}
if (i == 3) { /*光标OFF */
boxfill8(sheet->buf, sheet->bxsize, COL8_000000, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
cons.cur_c = -1;
}
if (256 <= i && i <= 511) { /*键盘数据(通过任务A)*/
if (i == 8 + 256) {
/*退格键*/
if (cons.cur_x > 16) {
/*用空格擦除光标后将光标前移一位*/
cons_putchar(&cons, ' ', 0);
cons.cur_x -= 8;
}
} else if (i == 10 + 256) {
/*回车键*/
/*将光标用空格擦除后换行 */
cons_putchar(&cons, ' ', 0);
cmdline[cons.cur_x / 8 - 2] = 0;
cons_newline(&cons);
cons_runcmd(cmdline, &cons, fat, memtotal); /*运行命令*/
/*显示提示符*/
cons_putchar(&cons, '>', 1);
} else {
/*一般字符*/
if (cons.cur_x < 240) {
/*显示一个字符之后将光标后移一位*/
cmdline[cons.cur_x / 8 - 2] = i - 256;
cons_putchar(&cons, i - 256, 1);
}
}
}
/*重新显示光标*/
if (cons.cur_c >= 0) {
boxfill8(sheet->buf, sheet->bxsize, cons.cur_c, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
}
sheet_refresh(sheet, cons.cur_x, cons.cur_y, cons.cur_x + 8, cons.cur_y + 16);
}
}
}
void cons_putchar(struct CONSOLE *cons, int chr, char move)
{
char s[2];
s[0] = chr;
s[1] = 0;
if (s[0] == 0x09) { /*制表符*/
for (;;) {
putfonts8_asc_sht(cons->sht, cons->cur_x, cons->cur_y, COL8_FFFFFF, COL8_000000, " ", 1);
cons->cur_x += 8;
if (cons->cur_x == 8 + 240) {
cons_newline(cons);
}
if (((cons->cur_x - 8) & 0x1f) == 0) {
break; /*被32整除则break*/
}
}
} else if (s[0] == 0x0a) { /*换行*/
cons_newline(cons);
} else if (s[0] == 0x0d) { /*回车*/
/*先不做任何操作*/
} else { /*一般字符*/
putfonts8_asc_sht(cons->sht, cons->cur_x, cons->cur_y, COL8_FFFFFF, COL8_000000, s, 1);
if (move != 0) {
/* move为0时光标不后移*/
cons->cur_x += 8;
if (cons->cur_x == 8 + 240) {
cons_newline(cons);
}
}
}
return;
}
void cons_newline(struct CONSOLE *cons)
{
int x, y;
struct SHEET *sheet = cons->sht;
if (cons->cur_y < 28 + 112) {
cons->cur_y += 16; /*到下一行*/
} else {
/*滚动*/
for (y = 28; y < 28 + 112; y++) {
for (x = 8; x < 8 + 240; x++) {
sheet->buf[x + y * sheet->bxsize] = sheet->buf[x + (y + 16) * sheet->bxsize];
}
}
for (y = 28 + 112; y < 28 + 128; y++) {
for (x = 8; x < 8 + 240; x++) {
sheet->buf[x + y * sheet->bxsize] = COL8_000000;
}
}
sheet_refresh(sheet, 8, 28, 8 + 240, 28 + 128);
}
cons->cur_x = 8;
return;
}
void cons_putstr0(struct CONSOLE *cons, char *s)
{
for (; *s != 0; s++) {
cons_putchar(cons, *s, 1);
}
return;
}
void cons_putstr1(struct CONSOLE *cons, char *s, int l)
{
int i;
for (i = 0; i < l; i++) {
cons_putchar(cons, s[i], 1);
}
return;
}
void cons_runcmd(char *cmdline, struct CONSOLE *cons, int *fat, unsigned int memtotal)
{
if (strcmp(cmdline, "mem") == 0) {
cmd_mem(cons, memtotal);
} else if (strcmp(cmdline, "cls") == 0) {
cmd_cls(cons);
} else if (strcmp(cmdline, "dir") == 0 || strcmp(cmdline, "ls") == 0) {
cmd_dir(cons);
} else if (strncmp(cmdline, "type ", 5) == 0) {
cmd_type(cons, fat, cmdline);
} else if (cmdline[0] != 0) {
if (cmd_app(cons, fat, cmdline) == 0) {
/*不是命令,不是应用程序,也不是空行*/
cons_putstr0(cons, "Bad command.\n\n");
}
}
return;
}
void cmd_mem(struct CONSOLE *cons, unsigned int memtotal)
{
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
char s[60];
sprintf(s, "total %dMB\nfree %dKB\n\n", memtotal / (1024 * 1024), memman_total(memman) / 1024);
cons_putstr0(cons, s);
return;
}
void cmd_cls(struct CONSOLE *cons)
{
int x, y;
struct SHEET *sheet = cons->sht;
for (y = 28; y < 28 + 128; y++) {
for (x = 8; x < 8 + 240; x++) {
sheet->buf[x + y * sheet->bxsize] = COL8_000000;
}
}
sheet_refresh(sheet, 8, 28, 8 + 240, 28 + 128);
cons->cur_y = 28;
return;
}
void cmd_dir(struct CONSOLE *cons)
{
struct FILEINFO *finfo = (struct FILEINFO *) (ADR_DISKIMG + 0x002600);
int i, j;
char s[30];
for (i = 0; i < 224; i++) {
if (finfo[i].name[0] == 0x00) {
break;
}
if (finfo[i].name[0] != 0xe5) {
if ((finfo[i].type & 0x18) == 0) {
sprintf(s, "filename.ext %7d\n", finfo[i].size);
for (j = 0; j < 8; j++) {
s[j] = finfo[i].name[j];
}
s[ 9] = finfo[i].ext[0];
s[10] = finfo[i].ext[1];
s[11] = finfo[i].ext[2];
cons_putstr0(cons, s);
}
}
}
cons_newline(cons);
return;
}
void cmd_type(struct CONSOLE *cons, int *fat, char *cmdline)
{
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
struct FILEINFO *finfo = file_search(cmdline + 5, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
char *p;
int i;
if (finfo != 0) {
/*找到文件的情况*/
p = (char *) memman_alloc_4k(memman, finfo->size);
file_loadfile(finfo->clustno, finfo->size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
cons_putstr1(cons, p, finfo->size);
memman_free_4k(memman, (int) p, finfo->size);
} else {
/*没有找到文件的情况*/
cons_putstr0(cons, "File not found.\n");
}
cons_newline(cons);
return;
}
int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
{
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
struct FILEINFO *finfo;
struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
char name[18], *p;
int i;
/*根据命令行生成文件名*/
for (i = 0; i < 13; i++) {
if (cmdline[i] <= ' ') {
break;
}
name[i] = cmdline[i];
}
name[i] = 0; /*暂且将文件名的后面置为0*/
/*寻找文件 */
finfo = file_search(name, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
if (finfo == 0 && name[i -1]!= '.') {
/*由于找不到文件,故在文件名后面加上“.hrb”后重新寻找*/
name[i ] = '.';
name[i + 1] = 'H';
name[i + 2] = 'R';
name[i + 3] = 'B';
name[i + 4] = 0;
finfo = file_search(name, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
}
if (finfo != 0) {
/*找到文件的情况*/
p = (char *) memman_alloc_4k(memman, finfo->size);
file_loadfile(finfo->clustno, finfo->size, p, fat, (char *) (ADR_DISKIMG + 0x003e00));
set_segmdesc(gdt + 1003, finfo->size - 1, (int) p, AR_CODE32_ER);
farcall(0, 1003 * 8);
memman_free_4k(memman, (int) p, finfo->size);
cons_newline(cons);
return 1;
}
/*没有找到文件的情况*/
return 0;
}
void hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int eax)
{
struct CONSOLE *cons = (struct CONSOLE *) *((int *) 0x0fec);
if (edx == 1) {
cons_putchar(cons, eax & 0xff, 1);
} else if (edx == 2) {
cons_putstr0(cons, (char *) ebx);
} else if (edx == 3) {
cons_putstr1(cons, (char *) ebx, ecx);
}
return;
}