|
1 |
/*
|
|
2 |
* QEMU monitor
|
|
3 |
*
|
|
4 |
* Copyright (c) 2003-2004 Fabrice Bellard
|
|
5 |
*
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|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
|
8 |
* in the Software without restriction, including without limitation the rights
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|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
|
11 |
* furnished to do so, subject to the following conditions:
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|
12 |
*
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13 |
* The above copyright notice and this permission notice shall be included in
|
|
14 |
* all copies or substantial portions of the Software.
|
|
15 |
*
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|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
22 |
* THE SOFTWARE.
|
|
23 |
*/
|
|
24 |
#include <stdlib.h>
|
|
25 |
#include <stdio.h>
|
|
26 |
#include <stdarg.h>
|
|
27 |
#include <string.h>
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|
28 |
#include <getopt.h>
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|
29 |
#include <inttypes.h>
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|
30 |
#include <unistd.h>
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|
31 |
#include <sys/mman.h>
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|
32 |
#include <fcntl.h>
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|
33 |
#include <signal.h>
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|
34 |
#include <time.h>
|
|
35 |
#include <sys/time.h>
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|
36 |
#include <malloc.h>
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|
37 |
#include <termios.h>
|
|
38 |
#include <sys/poll.h>
|
|
39 |
#include <errno.h>
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|
40 |
#include <ctype.h>
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|
41 |
|
|
42 |
#include "cpu.h"
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|
43 |
#include "vl.h"
|
|
44 |
|
|
45 |
//#define DEBUG
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|
46 |
|
|
47 |
#define TERM_CMD_BUF_SIZE 4095
|
|
48 |
#define MAX_ARGS 64
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|
49 |
|
|
50 |
#define IS_NORM 0
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|
51 |
#define IS_ESC 1
|
|
52 |
#define IS_CSI 2
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|
53 |
|
|
54 |
#define printf do_not_use_printf
|
|
55 |
|
|
56 |
static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1];
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|
57 |
static int term_cmd_buf_index;
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|
58 |
static int term_cmd_buf_size;
|
|
59 |
static int term_esc_state;
|
|
60 |
static int term_esc_param;
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|
61 |
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|
62 |
typedef struct term_cmd_t {
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|
63 |
const char *name;
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|
64 |
void (*handler)(int argc, const char **argv);
|
|
65 |
const char *params;
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|
66 |
const char *help;
|
|
67 |
} term_cmd_t;
|
|
68 |
|
|
69 |
static term_cmd_t term_cmds[];
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|
70 |
static term_cmd_t info_cmds[];
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|
71 |
|
|
72 |
void term_printf(const char *fmt, ...)
|
|
73 |
{
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|
74 |
va_list ap;
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|
75 |
va_start(ap, fmt);
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|
76 |
vprintf(fmt, ap);
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|
77 |
va_end(ap);
|
|
78 |
}
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|
79 |
|
|
80 |
void term_flush(void)
|
|
81 |
{
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|
82 |
fflush(stdout);
|
|
83 |
}
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|
84 |
|
|
85 |
static int compare_cmd(const char *name, const char *list)
|
|
86 |
{
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|
87 |
const char *p, *pstart;
|
|
88 |
int len;
|
|
89 |
len = strlen(name);
|
|
90 |
p = list;
|
|
91 |
for(;;) {
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|
92 |
pstart = p;
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|
93 |
p = strchr(p, '|');
|
|
94 |
if (!p)
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|
95 |
p = pstart + strlen(pstart);
|
|
96 |
if ((p - pstart) == len && !memcmp(pstart, name, len))
|
|
97 |
return 1;
|
|
98 |
if (*p == '\0')
|
|
99 |
break;
|
|
100 |
p++;
|
|
101 |
}
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|
102 |
return 0;
|
|
103 |
}
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|
104 |
|
|
105 |
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
|
|
106 |
{
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|
107 |
term_cmd_t *cmd;
|
|
108 |
|
|
109 |
for(cmd = cmds; cmd->name != NULL; cmd++) {
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|
110 |
if (!name || !strcmp(name, cmd->name))
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|
111 |
term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
|
|
112 |
}
|
|
113 |
}
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|
114 |
|
|
115 |
static void help_cmd(const char *name)
|
|
116 |
{
|
|
117 |
if (name && !strcmp(name, "info")) {
|
|
118 |
help_cmd1(info_cmds, "info ", NULL);
|
|
119 |
} else {
|
|
120 |
help_cmd1(term_cmds, "", name);
|
|
121 |
}
|
|
122 |
}
|
|
123 |
|
|
124 |
static void do_help(int argc, const char **argv)
|
|
125 |
{
|
|
126 |
help_cmd(argv[1]);
|
|
127 |
}
|
|
128 |
|
|
129 |
static void do_commit(int argc, const char **argv)
|
|
130 |
{
|
|
131 |
int i;
|
|
132 |
|
|
133 |
for (i = 0; i < MAX_DISKS; i++) {
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|
134 |
if (bs_table[i])
|
|
135 |
bdrv_commit(bs_table[i]);
|
|
136 |
}
|
|
137 |
}
|
|
138 |
|
|
139 |
static void do_info(int argc, const char **argv)
|
|
140 |
{
|
|
141 |
term_cmd_t *cmd;
|
|
142 |
const char *item;
|
|
143 |
|
|
144 |
if (argc < 2)
|
|
145 |
goto help;
|
|
146 |
item = argv[1];
|
|
147 |
for(cmd = info_cmds; cmd->name != NULL; cmd++) {
|
|
148 |
if (compare_cmd(argv[1], cmd->name))
|
|
149 |
goto found;
|
|
150 |
}
|
|
151 |
help:
|
|
152 |
help_cmd(argv[0]);
|
|
153 |
return;
|
|
154 |
found:
|
|
155 |
cmd->handler(argc, argv);
|
|
156 |
}
|
|
157 |
|
|
158 |
static void do_info_network(int argc, const char **argv)
|
|
159 |
{
|
|
160 |
int i, j;
|
|
161 |
NetDriverState *nd;
|
|
162 |
|
|
163 |
for(i = 0; i < nb_nics; i++) {
|
|
164 |
nd = &nd_table[i];
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|
165 |
term_printf("%d: ifname=%s macaddr=", i, nd->ifname);
|
|
166 |
for(j = 0; j < 6; j++) {
|
|
167 |
if (j > 0)
|
|
168 |
term_printf(":");
|
|
169 |
term_printf("%02x", nd->macaddr[j]);
|
|
170 |
}
|
|
171 |
term_printf("\n");
|
|
172 |
}
|
|
173 |
}
|
|
174 |
|
|
175 |
static void do_info_block(int argc, const char **argv)
|
|
176 |
{
|
|
177 |
bdrv_info();
|
|
178 |
}
|
|
179 |
|
|
180 |
static void do_quit(int argc, const char **argv)
|
|
181 |
{
|
|
182 |
exit(0);
|
|
183 |
}
|
|
184 |
|
|
185 |
static int eject_device(BlockDriverState *bs, int force)
|
|
186 |
{
|
|
187 |
if (bdrv_is_inserted(bs)) {
|
|
188 |
if (!force) {
|
|
189 |
if (!bdrv_is_removable(bs)) {
|
|
190 |
term_printf("device is not removable\n");
|
|
191 |
return -1;
|
|
192 |
}
|
|
193 |
if (bdrv_is_locked(bs)) {
|
|
194 |
term_printf("device is locked\n");
|
|
195 |
return -1;
|
|
196 |
}
|
|
197 |
}
|
|
198 |
bdrv_close(bs);
|
|
199 |
}
|
|
200 |
return 0;
|
|
201 |
}
|
|
202 |
|
|
203 |
static void do_eject(int argc, const char **argv)
|
|
204 |
{
|
|
205 |
BlockDriverState *bs;
|
|
206 |
const char **parg;
|
|
207 |
int force;
|
|
208 |
|
|
209 |
parg = argv + 1;
|
|
210 |
if (!*parg) {
|
|
211 |
fail:
|
|
212 |
help_cmd(argv[0]);
|
|
213 |
return;
|
|
214 |
}
|
|
215 |
force = 0;
|
|
216 |
if (!strcmp(*parg, "-f")) {
|
|
217 |
force = 1;
|
|
218 |
parg++;
|
|
219 |
}
|
|
220 |
if (!*parg)
|
|
221 |
goto fail;
|
|
222 |
bs = bdrv_find(*parg);
|
|
223 |
if (!bs) {
|
|
224 |
term_printf("device not found\n");
|
|
225 |
return;
|
|
226 |
}
|
|
227 |
eject_device(bs, force);
|
|
228 |
}
|
|
229 |
|
|
230 |
static void do_change(int argc, const char **argv)
|
|
231 |
{
|
|
232 |
BlockDriverState *bs;
|
|
233 |
|
|
234 |
if (argc != 3) {
|
|
235 |
help_cmd(argv[0]);
|
|
236 |
return;
|
|
237 |
}
|
|
238 |
bs = bdrv_find(argv[1]);
|
|
239 |
if (!bs) {
|
|
240 |
term_printf("device not found\n");
|
|
241 |
return;
|
|
242 |
}
|
|
243 |
if (eject_device(bs, 0) < 0)
|
|
244 |
return;
|
|
245 |
bdrv_open(bs, argv[2], 0);
|
|
246 |
}
|
|
247 |
|
|
248 |
static term_cmd_t term_cmds[] = {
|
|
249 |
{ "help|?", do_help,
|
|
250 |
"[cmd]", "show the help" },
|
|
251 |
{ "commit", do_commit,
|
|
252 |
"", "commit changes to the disk images (if -snapshot is used)" },
|
|
253 |
{ "info", do_info,
|
|
254 |
"subcommand", "show various information about the system state" },
|
|
255 |
{ "q|quit", do_quit,
|
|
256 |
"", "quit the emulator" },
|
|
257 |
{ "eject", do_eject,
|
|
258 |
"[-f] device", "eject a removable media (use -f to force it)" },
|
|
259 |
{ "change", do_change,
|
|
260 |
"device filename", "change a removable media" },
|
|
261 |
{ NULL, NULL, },
|
|
262 |
};
|
|
263 |
|
|
264 |
static term_cmd_t info_cmds[] = {
|
|
265 |
{ "network", do_info_network,
|
|
266 |
"", "show the network state" },
|
|
267 |
{ "block", do_info_block,
|
|
268 |
"", "show the block devices" },
|
|
269 |
{ NULL, NULL, },
|
|
270 |
};
|
|
271 |
|
|
272 |
static void term_handle_command(char *cmdline)
|
|
273 |
{
|
|
274 |
char *p, *pstart;
|
|
275 |
int argc;
|
|
276 |
const char *args[MAX_ARGS + 1];
|
|
277 |
term_cmd_t *cmd;
|
|
278 |
|
|
279 |
#ifdef DEBUG
|
|
280 |
term_printf("command='%s'\n", cmdline);
|
|
281 |
#endif
|
|
282 |
|
|
283 |
/* split command in words */
|
|
284 |
argc = 0;
|
|
285 |
p = cmdline;
|
|
286 |
for(;;) {
|
|
287 |
while (isspace(*p))
|
|
288 |
p++;
|
|
289 |
if (*p == '\0')
|
|
290 |
break;
|
|
291 |
pstart = p;
|
|
292 |
while (*p != '\0' && !isspace(*p))
|
|
293 |
p++;
|
|
294 |
args[argc] = pstart;
|
|
295 |
argc++;
|
|
296 |
if (argc >= MAX_ARGS)
|
|
297 |
break;
|
|
298 |
if (*p == '\0')
|
|
299 |
break;
|
|
300 |
*p++ = '\0';
|
|
301 |
}
|
|
302 |
args[argc] = NULL;
|
|
303 |
#ifdef DEBUG
|
|
304 |
for(i=0;i<argc;i++) {
|
|
305 |
term_printf(" '%s'", args[i]);
|
|
306 |
}
|
|
307 |
term_printf("\n");
|
|
308 |
#endif
|
|
309 |
if (argc <= 0)
|
|
310 |
return;
|
|
311 |
for(cmd = term_cmds; cmd->name != NULL; cmd++) {
|
|
312 |
if (compare_cmd(args[0], cmd->name))
|
|
313 |
goto found;
|
|
314 |
}
|
|
315 |
term_printf("unknown command: '%s'\n", args[0]);
|
|
316 |
return;
|
|
317 |
found:
|
|
318 |
cmd->handler(argc, args);
|
|
319 |
}
|
|
320 |
|
|
321 |
static void term_show_prompt(void)
|
|
322 |
{
|
|
323 |
term_printf("(qemu) ");
|
|
324 |
fflush(stdout);
|
|
325 |
term_cmd_buf_index = 0;
|
|
326 |
term_cmd_buf_size = 0;
|
|
327 |
term_esc_state = IS_NORM;
|
|
328 |
}
|
|
329 |
|
|
330 |
static void term_insert_char(int ch)
|
|
331 |
{
|
|
332 |
if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
|
|
333 |
memmove(term_cmd_buf + term_cmd_buf_index + 1,
|
|
334 |
term_cmd_buf + term_cmd_buf_index,
|
|
335 |
term_cmd_buf_size - term_cmd_buf_index);
|
|
336 |
term_cmd_buf[term_cmd_buf_index] = ch;
|
|
337 |
term_cmd_buf_size++;
|
|
338 |
term_printf("\033[@%c", ch);
|
|
339 |
term_cmd_buf_index++;
|
|
340 |
term_flush();
|
|
341 |
}
|
|
342 |
}
|
|
343 |
|
|
344 |
static void term_backward_char(void)
|
|
345 |
{
|
|
346 |
if (term_cmd_buf_index > 0) {
|
|
347 |
term_cmd_buf_index--;
|
|
348 |
term_printf("\033[D");
|
|
349 |
term_flush();
|
|
350 |
}
|
|
351 |
}
|
|
352 |
|
|
353 |
static void term_forward_char(void)
|
|
354 |
{
|
|
355 |
if (term_cmd_buf_index < term_cmd_buf_size) {
|
|
356 |
term_cmd_buf_index++;
|
|
357 |
term_printf("\033[C");
|
|
358 |
term_flush();
|
|
359 |
}
|
|
360 |
}
|
|
361 |
|
|
362 |
static void term_delete_char(void)
|
|
363 |
{
|
|
364 |
if (term_cmd_buf_index < term_cmd_buf_size) {
|
|
365 |
memmove(term_cmd_buf + term_cmd_buf_index,
|
|
366 |
term_cmd_buf + term_cmd_buf_index + 1,
|
|
367 |
term_cmd_buf_size - term_cmd_buf_index - 1);
|
|
368 |
term_printf("\033[P");
|
|
369 |
term_cmd_buf_size--;
|
|
370 |
term_flush();
|
|
371 |
}
|
|
372 |
}
|
|
373 |
|
|
374 |
static void term_backspace(void)
|
|
375 |
{
|
|
376 |
if (term_cmd_buf_index > 0) {
|
|
377 |
term_backward_char();
|
|
378 |
term_delete_char();
|
|
379 |
}
|
|
380 |
}
|
|
381 |
|
|
382 |
static void term_bol(void)
|
|
383 |
{
|
|
384 |
while (term_cmd_buf_index > 0)
|
|
385 |
term_backward_char();
|
|
386 |
}
|
|
387 |
|
|
388 |
static void term_eol(void)
|
|
389 |
{
|
|
390 |
while (term_cmd_buf_index < term_cmd_buf_size)
|
|
391 |
term_forward_char();
|
|
392 |
}
|
|
393 |
|
|
394 |
/* return true if command handled */
|
|
395 |
static void term_handle_byte(int ch)
|
|
396 |
{
|
|
397 |
switch(term_esc_state) {
|
|
398 |
case IS_NORM:
|
|
399 |
switch(ch) {
|
|
400 |
case 1:
|
|
401 |
term_bol();
|
|
402 |
break;
|
|
403 |
case 5:
|
|
404 |
term_eol();
|
|
405 |
break;
|
|
406 |
case 10:
|
|
407 |
case 13:
|
|
408 |
term_cmd_buf[term_cmd_buf_size] = '\0';
|
|
409 |
term_printf("\n");
|
|
410 |
term_handle_command(term_cmd_buf);
|
|
411 |
term_show_prompt();
|
|
412 |
break;
|
|
413 |
case 27:
|
|
414 |
term_esc_state = IS_ESC;
|
|
415 |
break;
|
|
416 |
case 127:
|
|
417 |
case 8:
|
|
418 |
term_backspace();
|
|
419 |
break;
|
|
420 |
default:
|
|
421 |
if (ch >= 32) {
|
|
422 |
term_insert_char(ch);
|
|
423 |
}
|
|
424 |
break;
|
|
425 |
}
|
|
426 |
break;
|
|
427 |
case IS_ESC:
|
|
428 |
if (ch == '[') {
|
|
429 |
term_esc_state = IS_CSI;
|
|
430 |
term_esc_param = 0;
|
|
431 |
} else {
|
|
432 |
term_esc_state = IS_NORM;
|
|
433 |
}
|
|
434 |
break;
|
|
435 |
case IS_CSI:
|
|
436 |
switch(ch) {
|
|
437 |
case 'D':
|
|
438 |
term_backward_char();
|
|
439 |
break;
|
|
440 |
case 'C':
|
|
441 |
term_forward_char();
|
|
442 |
break;
|
|
443 |
case '0' ... '9':
|
|
444 |
term_esc_param = term_esc_param * 10 + (ch - '0');
|
|
445 |
goto the_end;
|
|
446 |
case '~':
|
|
447 |
switch(term_esc_param) {
|
|
448 |
case 1:
|
|
449 |
term_bol();
|
|
450 |
break;
|
|
451 |
case 3:
|
|
452 |
term_delete_char();
|
|
453 |
break;
|
|
454 |
case 4:
|
|
455 |
term_eol();
|
|
456 |
break;
|
|
457 |
}
|
|
458 |
break;
|
|
459 |
default:
|
|
460 |
break;
|
|
461 |
}
|
|
462 |
term_esc_state = IS_NORM;
|
|
463 |
the_end:
|
|
464 |
break;
|
|
465 |
}
|
|
466 |
}
|
|
467 |
|
|
468 |
/*************************************************************/
|
|
469 |
/* serial console support */
|
|
470 |
|
|
471 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
|
|
472 |
|
|
473 |
static int term_got_escape, term_command;
|
|
474 |
|
|
475 |
void term_print_help(void)
|
|
476 |
{
|
|
477 |
term_printf("\n"
|
|
478 |
"C-a h print this help\n"
|
|
479 |
"C-a x exit emulatior\n"
|
|
480 |
"C-a d switch on/off debug log\n"
|
|
481 |
"C-a s save disk data back to file (if -snapshot)\n"
|
|
482 |
"C-a b send break (magic sysrq)\n"
|
|
483 |
"C-a c switch between console and monitor\n"
|
|
484 |
"C-a C-a send C-a\n"
|
|
485 |
);
|
|
486 |
}
|
|
487 |
|
|
488 |
/* called when a char is received */
|
|
489 |
static void term_received_byte(int ch)
|
|
490 |
{
|
|
491 |
if (!serial_console) {
|
|
492 |
/* if no serial console, handle every command */
|
|
493 |
term_handle_byte(ch);
|
|
494 |
} else {
|
|
495 |
if (term_got_escape) {
|
|
496 |
term_got_escape = 0;
|
|
497 |
switch(ch) {
|
|
498 |
case 'h':
|
|
499 |
term_print_help();
|
|
500 |
break;
|
|
501 |
case 'x':
|
|
502 |
exit(0);
|
|
503 |
break;
|
|
504 |
case 's':
|
|
505 |
{
|
|
506 |
int i;
|
|
507 |
for (i = 0; i < MAX_DISKS; i++) {
|
|
508 |
if (bs_table[i])
|
|
509 |
bdrv_commit(bs_table[i]);
|
|
510 |
}
|
|
511 |
}
|
|
512 |
break;
|
|
513 |
case 'b':
|
|
514 |
if (serial_console)
|
|
515 |
serial_receive_break(serial_console);
|
|
516 |
break;
|
|
517 |
case 'c':
|
|
518 |
if (!term_command) {
|
|
519 |
term_show_prompt();
|
|
520 |
term_command = 1;
|
|
521 |
} else {
|
|
522 |
term_command = 0;
|
|
523 |
}
|
|
524 |
break;
|
|
525 |
case 'd':
|
|
526 |
cpu_set_log(CPU_LOG_ALL);
|
|
527 |
break;
|
|
528 |
case TERM_ESCAPE:
|
|
529 |
goto send_char;
|
|
530 |
}
|
|
531 |
} else if (ch == TERM_ESCAPE) {
|
|
532 |
term_got_escape = 1;
|
|
533 |
} else {
|
|
534 |
send_char:
|
|
535 |
if (term_command) {
|
|
536 |
term_handle_byte(ch);
|
|
537 |
} else {
|
|
538 |
if (serial_console)
|
|
539 |
serial_receive_byte(serial_console, ch);
|
|
540 |
}
|
|
541 |
}
|
|
542 |
}
|
|
543 |
}
|
|
544 |
|
|
545 |
static int term_can_read(void *opaque)
|
|
546 |
{
|
|
547 |
if (serial_console) {
|
|
548 |
return serial_can_receive(serial_console);
|
|
549 |
} else {
|
|
550 |
return 1;
|
|
551 |
}
|
|
552 |
}
|
|
553 |
|
|
554 |
static void term_read(void *opaque, const uint8_t *buf, int size)
|
|
555 |
{
|
|
556 |
int i;
|
|
557 |
for(i = 0; i < size; i++)
|
|
558 |
term_received_byte(buf[i]);
|
|
559 |
}
|
|
560 |
|
|
561 |
void monitor_init(void)
|
|
562 |
{
|
|
563 |
if (!serial_console) {
|
|
564 |
term_printf("QEMU %s monitor - type 'help' for more information\n",
|
|
565 |
QEMU_VERSION);
|
|
566 |
term_show_prompt();
|
|
567 |
}
|
|
568 |
add_fd_read_handler(0, term_can_read, term_read, NULL);
|
|
569 |
}
|