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net: add macaddr type.
[qemu/mdroth.git] / monitor.c
blob2566f4a1b46e61895ba91c23fce55f42882a9477
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
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
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "qemu-char.h"
36 #include "sysemu.h"
37 #include "monitor.h"
38 #include "readline.h"
39 #include "console.h"
40 #include "block.h"
41 #include "audio/audio.h"
42 #include "disas.h"
43 #include "balloon.h"
44 #include "qemu-timer.h"
45 #include "migration.h"
46 #include "kvm.h"
47 #include "acl.h"
48 #include "qint.h"
49 #include "qlist.h"
50 #include "qdict.h"
51 #include "qstring.h"
52
53 //#define DEBUG
54 //#define DEBUG_COMPLETION
55
56 /*
57 * Supported types:
58 *
59 * 'F' filename
60 * 'B' block device name
61 * 's' string (accept optional quote)
62 * 'i' 32 bit integer
63 * 'l' target long (32 or 64 bit)
64 * '/' optional gdb-like print format (like "/10x")
65 *
66 * '?' optional type (for all types, except '/')
67 * '.' other form of optional type (for 'i' and 'l')
68 * '-' optional parameter (eg. '-f')
69 *
70 */
71
72 typedef struct mon_cmd_t {
73 const char *name;
74 const char *args_type;
75 const char *params;
76 const char *help;
77 void (*user_print)(Monitor *mon, const QObject *data);
78 union {
79 void (*info)(Monitor *mon);
80 void (*info_new)(Monitor *mon, QObject **ret_data);
81 void (*cmd)(Monitor *mon, const QDict *qdict);
82 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
83 } mhandler;
84 } mon_cmd_t;
85
86 /* file descriptors passed via SCM_RIGHTS */
87 typedef struct mon_fd_t mon_fd_t;
88 struct mon_fd_t {
89 char *name;
90 int fd;
91 QLIST_ENTRY(mon_fd_t) next;
92 };
93
94 struct Monitor {
95 CharDriverState *chr;
96 int mux_out;
97 int reset_seen;
98 int flags;
99 int suspend_cnt;
100 uint8_t outbuf[1024];
101 int outbuf_index;
102 ReadLineState *rs;
103 CPUState *mon_cpu;
104 BlockDriverCompletionFunc *password_completion_cb;
105 void *password_opaque;
106 QLIST_HEAD(,mon_fd_t) fds;
107 QLIST_ENTRY(Monitor) entry;
108 };
109
110 static QLIST_HEAD(mon_list, Monitor) mon_list;
111
112 static const mon_cmd_t mon_cmds[];
113 static const mon_cmd_t info_cmds[];
114
115 Monitor *cur_mon = NULL;
116
117 static void monitor_command_cb(Monitor *mon, const char *cmdline,
118 void *opaque);
119
120 static void monitor_read_command(Monitor *mon, int show_prompt)
121 {
122 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
123 if (show_prompt)
124 readline_show_prompt(mon->rs);
125 }
126
127 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
128 void *opaque)
129 {
130 if (mon->rs) {
131 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
132 /* prompt is printed on return from the command handler */
133 return 0;
134 } else {
135 monitor_printf(mon, "terminal does not support password prompting\n");
136 return -ENOTTY;
137 }
138 }
139
140 void monitor_flush(Monitor *mon)
141 {
142 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
143 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
144 mon->outbuf_index = 0;
145 }
146 }
147
148 /* flush at every end of line or if the buffer is full */
149 static void monitor_puts(Monitor *mon, const char *str)
150 {
151 char c;
152
153 if (!mon)
154 return;
155
156 for(;;) {
157 c = *str++;
158 if (c == '\0')
159 break;
160 if (c == '\n')
161 mon->outbuf[mon->outbuf_index++] = '\r';
162 mon->outbuf[mon->outbuf_index++] = c;
163 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
164 || c == '\n')
165 monitor_flush(mon);
166 }
167 }
168
169 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
170 {
171 char buf[4096];
172 vsnprintf(buf, sizeof(buf), fmt, ap);
173 monitor_puts(mon, buf);
174 }
175
176 void monitor_printf(Monitor *mon, const char *fmt, ...)
177 {
178 va_list ap;
179 va_start(ap, fmt);
180 monitor_vprintf(mon, fmt, ap);
181 va_end(ap);
182 }
183
184 void monitor_print_filename(Monitor *mon, const char *filename)
185 {
186 int i;
187
188 for (i = 0; filename[i]; i++) {
189 switch (filename[i]) {
190 case ' ':
191 case '"':
192 case '\\':
193 monitor_printf(mon, "\\%c", filename[i]);
194 break;
195 case '\t':
196 monitor_printf(mon, "\\t");
197 break;
198 case '\r':
199 monitor_printf(mon, "\\r");
200 break;
201 case '\n':
202 monitor_printf(mon, "\\n");
203 break;
204 default:
205 monitor_printf(mon, "%c", filename[i]);
206 break;
207 }
208 }
209 }
210
211 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
212 {
213 va_list ap;
214 va_start(ap, fmt);
215 monitor_vprintf((Monitor *)stream, fmt, ap);
216 va_end(ap);
217 return 0;
218 }
219
220 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
221
222 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
223 {
224 return cmd->user_print != NULL;
225 }
226
227 static void monitor_print_qobject(Monitor *mon, const QObject *data)
228 {
229 switch (qobject_type(data)) {
230 case QTYPE_QSTRING:
231 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
232 break;
233 case QTYPE_QINT:
234 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
235 break;
236 default:
237 monitor_printf(mon, "ERROR: unsupported type: %d",
238 qobject_type(data));
239 break;
240 }
241
242 monitor_puts(mon, "\n");
243 }
244
245 static int compare_cmd(const char *name, const char *list)
246 {
247 const char *p, *pstart;
248 int len;
249 len = strlen(name);
250 p = list;
251 for(;;) {
252 pstart = p;
253 p = strchr(p, '|');
254 if (!p)
255 p = pstart + strlen(pstart);
256 if ((p - pstart) == len && !memcmp(pstart, name, len))
257 return 1;
258 if (*p == '\0')
259 break;
260 p++;
261 }
262 return 0;
263 }
264
265 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
266 const char *prefix, const char *name)
267 {
268 const mon_cmd_t *cmd;
269
270 for(cmd = cmds; cmd->name != NULL; cmd++) {
271 if (!name || !strcmp(name, cmd->name))
272 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
273 cmd->params, cmd->help);
274 }
275 }
276
277 static void help_cmd(Monitor *mon, const char *name)
278 {
279 if (name && !strcmp(name, "info")) {
280 help_cmd_dump(mon, info_cmds, "info ", NULL);
281 } else {
282 help_cmd_dump(mon, mon_cmds, "", name);
283 if (name && !strcmp(name, "log")) {
284 const CPULogItem *item;
285 monitor_printf(mon, "Log items (comma separated):\n");
286 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
287 for(item = cpu_log_items; item->mask != 0; item++) {
288 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
289 }
290 }
291 }
292 }
293
294 static void do_help_cmd(Monitor *mon, const QDict *qdict)
295 {
296 help_cmd(mon, qdict_get_try_str(qdict, "name"));
297 }
298
299 static void do_commit(Monitor *mon, const QDict *qdict)
300 {
301 int all_devices;
302 DriveInfo *dinfo;
303 const char *device = qdict_get_str(qdict, "device");
304
305 all_devices = !strcmp(device, "all");
306 QTAILQ_FOREACH(dinfo, &drives, next) {
307 if (!all_devices)
308 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
309 continue;
310 bdrv_commit(dinfo->bdrv);
311 }
312 }
313
314 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
315 {
316 const mon_cmd_t *cmd;
317 const char *item = qdict_get_try_str(qdict, "item");
318
319 if (!item)
320 goto help;
321
322 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
323 if (compare_cmd(item, cmd->name))
324 break;
325 }
326
327 if (cmd->name == NULL)
328 goto help;
329
330 if (monitor_handler_ported(cmd)) {
331 cmd->mhandler.info_new(mon, ret_data);
332 if (*ret_data)
333 cmd->user_print(mon, *ret_data);
334 } else {
335 cmd->mhandler.info(mon);
336 }
337
338 return;
339
340 help:
341 help_cmd(mon, "info");
342 }
343
344 /**
345 * do_info_version(): Show QEMU version
346 */
347 static void do_info_version(Monitor *mon, QObject **ret_data)
348 {
349 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
350 }
351
352 static void do_info_name(Monitor *mon)
353 {
354 if (qemu_name)
355 monitor_printf(mon, "%s\n", qemu_name);
356 }
357
358 #if defined(TARGET_I386)
359 static void do_info_hpet(Monitor *mon)
360 {
361 monitor_printf(mon, "HPET is %s by QEMU\n",
362 (no_hpet) ? "disabled" : "enabled");
363 }
364 #endif
365
366 static void do_info_uuid(Monitor *mon)
367 {
368 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
369 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
370 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
371 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
372 qemu_uuid[14], qemu_uuid[15]);
373 }
374
375 /* get the current CPU defined by the user */
376 static int mon_set_cpu(int cpu_index)
377 {
378 CPUState *env;
379
380 for(env = first_cpu; env != NULL; env = env->next_cpu) {
381 if (env->cpu_index == cpu_index) {
382 cur_mon->mon_cpu = env;
383 return 0;
384 }
385 }
386 return -1;
387 }
388
389 static CPUState *mon_get_cpu(void)
390 {
391 if (!cur_mon->mon_cpu) {
392 mon_set_cpu(0);
393 }
394 cpu_synchronize_state(cur_mon->mon_cpu);
395 return cur_mon->mon_cpu;
396 }
397
398 static void do_info_registers(Monitor *mon)
399 {
400 CPUState *env;
401 env = mon_get_cpu();
402 if (!env)
403 return;
404 #ifdef TARGET_I386
405 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
406 X86_DUMP_FPU);
407 #else
408 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
409 0);
410 #endif
411 }
412
413 static void print_cpu_iter(QObject *obj, void *opaque)
414 {
415 QDict *cpu;
416 int active = ' ';
417 Monitor *mon = opaque;
418
419 assert(qobject_type(obj) == QTYPE_QDICT);
420 cpu = qobject_to_qdict(obj);
421
422 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
423 active = '*';
424
425 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
426
427 #if defined(TARGET_I386)
428 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
429 (target_ulong) qdict_get_int(cpu, "pc"));
430 #elif defined(TARGET_PPC)
431 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
432 (target_long) qdict_get_int(cpu, "nip"));
433 #elif defined(TARGET_SPARC)
434 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
435 (target_long) qdict_get_int(cpu, "pc"));
436 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
437 (target_long) qdict_get_int(cpu, "npc"));
438 #elif defined(TARGET_MIPS)
439 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
440 (target_long) qdict_get_int(cpu, "PC"));
441 #endif
442
443 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
444 monitor_printf(mon, " (halted)");
445
446 monitor_printf(mon, "\n");
447 }
448
449 static void monitor_print_cpus(Monitor *mon, const QObject *data)
450 {
451 QList *cpu_list;
452
453 assert(qobject_type(data) == QTYPE_QLIST);
454 cpu_list = qobject_to_qlist(data);
455 qlist_iter(cpu_list, print_cpu_iter, mon);
456 }
457
458 /**
459 * do_info_cpus(): Show CPU information
460 *
461 * Return a QList with a QDict for each CPU.
462 *
463 * For example:
464 *
465 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
466 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
467 */
468 static void do_info_cpus(Monitor *mon, QObject **ret_data)
469 {
470 CPUState *env;
471 QList *cpu_list;
472
473 cpu_list = qlist_new();
474
475 /* just to set the default cpu if not already done */
476 mon_get_cpu();
477
478 for(env = first_cpu; env != NULL; env = env->next_cpu) {
479 const char *answer;
480 QDict *cpu = qdict_new();
481
482 cpu_synchronize_state(env);
483
484 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
485 answer = (env == mon->mon_cpu) ? "yes" : "no";
486 qdict_put(cpu, "current", qstring_from_str(answer));
487
488 #if defined(TARGET_I386)
489 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
490 #elif defined(TARGET_PPC)
491 qdict_put(cpu, "nip", qint_from_int(env->nip));
492 #elif defined(TARGET_SPARC)
493 qdict_put(cpu, "pc", qint_from_int(env->pc));
494 qdict_put(cpu, "npc", qint_from_int(env->npc));
495 #elif defined(TARGET_MIPS)
496 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
497 #endif
498 answer = env->halted ? "yes" : "no";
499 qdict_put(cpu, "halted", qstring_from_str(answer));
500
501 qlist_append(cpu_list, cpu);
502 }
503
504 *ret_data = QOBJECT(cpu_list);
505 }
506
507 static void do_cpu_set(Monitor *mon, const QDict *qdict)
508 {
509 int index = qdict_get_int(qdict, "index");
510 if (mon_set_cpu(index) < 0)
511 monitor_printf(mon, "Invalid CPU index\n");
512 }
513
514 static void do_info_jit(Monitor *mon)
515 {
516 dump_exec_info((FILE *)mon, monitor_fprintf);
517 }
518
519 static void do_info_history(Monitor *mon)
520 {
521 int i;
522 const char *str;
523
524 if (!mon->rs)
525 return;
526 i = 0;
527 for(;;) {
528 str = readline_get_history(mon->rs, i);
529 if (!str)
530 break;
531 monitor_printf(mon, "%d: '%s'\n", i, str);
532 i++;
533 }
534 }
535
536 #if defined(TARGET_PPC)
537 /* XXX: not implemented in other targets */
538 static void do_info_cpu_stats(Monitor *mon)
539 {
540 CPUState *env;
541
542 env = mon_get_cpu();
543 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
544 }
545 #endif
546
547 /**
548 * do_quit(): Quit QEMU execution
549 */
550 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
551 {
552 exit(0);
553 }
554
555 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
556 {
557 if (bdrv_is_inserted(bs)) {
558 if (!force) {
559 if (!bdrv_is_removable(bs)) {
560 monitor_printf(mon, "device is not removable\n");
561 return -1;
562 }
563 if (bdrv_is_locked(bs)) {
564 monitor_printf(mon, "device is locked\n");
565 return -1;
566 }
567 }
568 bdrv_close(bs);
569 }
570 return 0;
571 }
572
573 static void do_eject(Monitor *mon, const QDict *qdict)
574 {
575 BlockDriverState *bs;
576 int force = qdict_get_int(qdict, "force");
577 const char *filename = qdict_get_str(qdict, "filename");
578
579 bs = bdrv_find(filename);
580 if (!bs) {
581 monitor_printf(mon, "device not found\n");
582 return;
583 }
584 eject_device(mon, bs, force);
585 }
586
587 static void do_change_block(Monitor *mon, const char *device,
588 const char *filename, const char *fmt)
589 {
590 BlockDriverState *bs;
591 BlockDriver *drv = NULL;
592
593 bs = bdrv_find(device);
594 if (!bs) {
595 monitor_printf(mon, "device not found\n");
596 return;
597 }
598 if (fmt) {
599 drv = bdrv_find_format(fmt);
600 if (!drv) {
601 monitor_printf(mon, "invalid format %s\n", fmt);
602 return;
603 }
604 }
605 if (eject_device(mon, bs, 0) < 0)
606 return;
607 bdrv_open2(bs, filename, 0, drv);
608 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
609 }
610
611 static void change_vnc_password_cb(Monitor *mon, const char *password,
612 void *opaque)
613 {
614 if (vnc_display_password(NULL, password) < 0)
615 monitor_printf(mon, "could not set VNC server password\n");
616
617 monitor_read_command(mon, 1);
618 }
619
620 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
621 {
622 if (strcmp(target, "passwd") == 0 ||
623 strcmp(target, "password") == 0) {
624 if (arg) {
625 char password[9];
626 strncpy(password, arg, sizeof(password));
627 password[sizeof(password) - 1] = '\0';
628 change_vnc_password_cb(mon, password, NULL);
629 } else {
630 monitor_read_password(mon, change_vnc_password_cb, NULL);
631 }
632 } else {
633 if (vnc_display_open(NULL, target) < 0)
634 monitor_printf(mon, "could not start VNC server on %s\n", target);
635 }
636 }
637
638 static void do_change(Monitor *mon, const QDict *qdict)
639 {
640 const char *device = qdict_get_str(qdict, "device");
641 const char *target = qdict_get_str(qdict, "target");
642 const char *arg = qdict_get_try_str(qdict, "arg");
643 if (strcmp(device, "vnc") == 0) {
644 do_change_vnc(mon, target, arg);
645 } else {
646 do_change_block(mon, device, target, arg);
647 }
648 }
649
650 static void do_screen_dump(Monitor *mon, const QDict *qdict)
651 {
652 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
653 }
654
655 static void do_logfile(Monitor *mon, const QDict *qdict)
656 {
657 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
658 }
659
660 static void do_log(Monitor *mon, const QDict *qdict)
661 {
662 int mask;
663 const char *items = qdict_get_str(qdict, "items");
664
665 if (!strcmp(items, "none")) {
666 mask = 0;
667 } else {
668 mask = cpu_str_to_log_mask(items);
669 if (!mask) {
670 help_cmd(mon, "log");
671 return;
672 }
673 }
674 cpu_set_log(mask);
675 }
676
677 static void do_singlestep(Monitor *mon, const QDict *qdict)
678 {
679 const char *option = qdict_get_try_str(qdict, "option");
680 if (!option || !strcmp(option, "on")) {
681 singlestep = 1;
682 } else if (!strcmp(option, "off")) {
683 singlestep = 0;
684 } else {
685 monitor_printf(mon, "unexpected option %s\n", option);
686 }
687 }
688
689 /**
690 * do_stop(): Stop VM execution
691 */
692 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
693 {
694 vm_stop(EXCP_INTERRUPT);
695 }
696
697 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
698
699 struct bdrv_iterate_context {
700 Monitor *mon;
701 int err;
702 };
703
704 /**
705 * do_cont(): Resume emulation.
706 */
707 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
708 {
709 struct bdrv_iterate_context context = { mon, 0 };
710
711 bdrv_iterate(encrypted_bdrv_it, &context);
712 /* only resume the vm if all keys are set and valid */
713 if (!context.err)
714 vm_start();
715 }
716
717 static void bdrv_key_cb(void *opaque, int err)
718 {
719 Monitor *mon = opaque;
720
721 /* another key was set successfully, retry to continue */
722 if (!err)
723 do_cont(mon, NULL, NULL);
724 }
725
726 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
727 {
728 struct bdrv_iterate_context *context = opaque;
729
730 if (!context->err && bdrv_key_required(bs)) {
731 context->err = -EBUSY;
732 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
733 context->mon);
734 }
735 }
736
737 static void do_gdbserver(Monitor *mon, const QDict *qdict)
738 {
739 const char *device = qdict_get_try_str(qdict, "device");
740 if (!device)
741 device = "tcp::" DEFAULT_GDBSTUB_PORT;
742 if (gdbserver_start(device) < 0) {
743 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
744 device);
745 } else if (strcmp(device, "none") == 0) {
746 monitor_printf(mon, "Disabled gdbserver\n");
747 } else {
748 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
749 device);
750 }
751 }
752
753 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
754 {
755 const char *action = qdict_get_str(qdict, "action");
756 if (select_watchdog_action(action) == -1) {
757 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
758 }
759 }
760
761 static void monitor_printc(Monitor *mon, int c)
762 {
763 monitor_printf(mon, "'");
764 switch(c) {
765 case '\'':
766 monitor_printf(mon, "\\'");
767 break;
768 case '\\':
769 monitor_printf(mon, "\\\\");
770 break;
771 case '\n':
772 monitor_printf(mon, "\\n");
773 break;
774 case '\r':
775 monitor_printf(mon, "\\r");
776 break;
777 default:
778 if (c >= 32 && c <= 126) {
779 monitor_printf(mon, "%c", c);
780 } else {
781 monitor_printf(mon, "\\x%02x", c);
782 }
783 break;
784 }
785 monitor_printf(mon, "'");
786 }
787
788 static void memory_dump(Monitor *mon, int count, int format, int wsize,
789 target_phys_addr_t addr, int is_physical)
790 {
791 CPUState *env;
792 int nb_per_line, l, line_size, i, max_digits, len;
793 uint8_t buf[16];
794 uint64_t v;
795
796 if (format == 'i') {
797 int flags;
798 flags = 0;
799 env = mon_get_cpu();
800 if (!env && !is_physical)
801 return;
802 #ifdef TARGET_I386
803 if (wsize == 2) {
804 flags = 1;
805 } else if (wsize == 4) {
806 flags = 0;
807 } else {
808 /* as default we use the current CS size */
809 flags = 0;
810 if (env) {
811 #ifdef TARGET_X86_64
812 if ((env->efer & MSR_EFER_LMA) &&
813 (env->segs[R_CS].flags & DESC_L_MASK))
814 flags = 2;
815 else
816 #endif
817 if (!(env->segs[R_CS].flags & DESC_B_MASK))
818 flags = 1;
819 }
820 }
821 #endif
822 monitor_disas(mon, env, addr, count, is_physical, flags);
823 return;
824 }
825
826 len = wsize * count;
827 if (wsize == 1)
828 line_size = 8;
829 else
830 line_size = 16;
831 nb_per_line = line_size / wsize;
832 max_digits = 0;
833
834 switch(format) {
835 case 'o':
836 max_digits = (wsize * 8 + 2) / 3;
837 break;
838 default:
839 case 'x':
840 max_digits = (wsize * 8) / 4;
841 break;
842 case 'u':
843 case 'd':
844 max_digits = (wsize * 8 * 10 + 32) / 33;
845 break;
846 case 'c':
847 wsize = 1;
848 break;
849 }
850
851 while (len > 0) {
852 if (is_physical)
853 monitor_printf(mon, TARGET_FMT_plx ":", addr);
854 else
855 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
856 l = len;
857 if (l > line_size)
858 l = line_size;
859 if (is_physical) {
860 cpu_physical_memory_rw(addr, buf, l, 0);
861 } else {
862 env = mon_get_cpu();
863 if (!env)
864 break;
865 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
866 monitor_printf(mon, " Cannot access memory\n");
867 break;
868 }
869 }
870 i = 0;
871 while (i < l) {
872 switch(wsize) {
873 default:
874 case 1:
875 v = ldub_raw(buf + i);
876 break;
877 case 2:
878 v = lduw_raw(buf + i);
879 break;
880 case 4:
881 v = (uint32_t)ldl_raw(buf + i);
882 break;
883 case 8:
884 v = ldq_raw(buf + i);
885 break;
886 }
887 monitor_printf(mon, " ");
888 switch(format) {
889 case 'o':
890 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
891 break;
892 case 'x':
893 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
894 break;
895 case 'u':
896 monitor_printf(mon, "%*" PRIu64, max_digits, v);
897 break;
898 case 'd':
899 monitor_printf(mon, "%*" PRId64, max_digits, v);
900 break;
901 case 'c':
902 monitor_printc(mon, v);
903 break;
904 }
905 i += wsize;
906 }
907 monitor_printf(mon, "\n");
908 addr += l;
909 len -= l;
910 }
911 }
912
913 static void do_memory_dump(Monitor *mon, const QDict *qdict)
914 {
915 int count = qdict_get_int(qdict, "count");
916 int format = qdict_get_int(qdict, "format");
917 int size = qdict_get_int(qdict, "size");
918 target_long addr = qdict_get_int(qdict, "addr");
919
920 memory_dump(mon, count, format, size, addr, 0);
921 }
922
923 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
924 {
925 int count = qdict_get_int(qdict, "count");
926 int format = qdict_get_int(qdict, "format");
927 int size = qdict_get_int(qdict, "size");
928 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
929
930 memory_dump(mon, count, format, size, addr, 1);
931 }
932
933 static void do_print(Monitor *mon, const QDict *qdict)
934 {
935 int format = qdict_get_int(qdict, "format");
936 target_phys_addr_t val = qdict_get_int(qdict, "val");
937
938 #if TARGET_PHYS_ADDR_BITS == 32
939 switch(format) {
940 case 'o':
941 monitor_printf(mon, "%#o", val);
942 break;
943 case 'x':
944 monitor_printf(mon, "%#x", val);
945 break;
946 case 'u':
947 monitor_printf(mon, "%u", val);
948 break;
949 default:
950 case 'd':
951 monitor_printf(mon, "%d", val);
952 break;
953 case 'c':
954 monitor_printc(mon, val);
955 break;
956 }
957 #else
958 switch(format) {
959 case 'o':
960 monitor_printf(mon, "%#" PRIo64, val);
961 break;
962 case 'x':
963 monitor_printf(mon, "%#" PRIx64, val);
964 break;
965 case 'u':
966 monitor_printf(mon, "%" PRIu64, val);
967 break;
968 default:
969 case 'd':
970 monitor_printf(mon, "%" PRId64, val);
971 break;
972 case 'c':
973 monitor_printc(mon, val);
974 break;
975 }
976 #endif
977 monitor_printf(mon, "\n");
978 }
979
980 static void do_memory_save(Monitor *mon, const QDict *qdict)
981 {
982 FILE *f;
983 uint32_t size = qdict_get_int(qdict, "size");
984 const char *filename = qdict_get_str(qdict, "filename");
985 target_long addr = qdict_get_int(qdict, "val");
986 uint32_t l;
987 CPUState *env;
988 uint8_t buf[1024];
989
990 env = mon_get_cpu();
991 if (!env)
992 return;
993
994 f = fopen(filename, "wb");
995 if (!f) {
996 monitor_printf(mon, "could not open '%s'\n", filename);
997 return;
998 }
999 while (size != 0) {
1000 l = sizeof(buf);
1001 if (l > size)
1002 l = size;
1003 cpu_memory_rw_debug(env, addr, buf, l, 0);
1004 fwrite(buf, 1, l, f);
1005 addr += l;
1006 size -= l;
1007 }
1008 fclose(f);
1009 }
1010
1011 static void do_physical_memory_save(Monitor *mon, const QDict *qdict)
1012 {
1013 FILE *f;
1014 uint32_t l;
1015 uint8_t buf[1024];
1016 uint32_t size = qdict_get_int(qdict, "size");
1017 const char *filename = qdict_get_str(qdict, "filename");
1018 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1019
1020 f = fopen(filename, "wb");
1021 if (!f) {
1022 monitor_printf(mon, "could not open '%s'\n", filename);
1023 return;
1024 }
1025 while (size != 0) {
1026 l = sizeof(buf);
1027 if (l > size)
1028 l = size;
1029 cpu_physical_memory_rw(addr, buf, l, 0);
1030 fwrite(buf, 1, l, f);
1031 fflush(f);
1032 addr += l;
1033 size -= l;
1034 }
1035 fclose(f);
1036 }
1037
1038 static void do_sum(Monitor *mon, const QDict *qdict)
1039 {
1040 uint32_t addr;
1041 uint8_t buf[1];
1042 uint16_t sum;
1043 uint32_t start = qdict_get_int(qdict, "start");
1044 uint32_t size = qdict_get_int(qdict, "size");
1045
1046 sum = 0;
1047 for(addr = start; addr < (start + size); addr++) {
1048 cpu_physical_memory_rw(addr, buf, 1, 0);
1049 /* BSD sum algorithm ('sum' Unix command) */
1050 sum = (sum >> 1) | (sum << 15);
1051 sum += buf[0];
1052 }
1053 monitor_printf(mon, "%05d\n", sum);
1054 }
1055
1056 typedef struct {
1057 int keycode;
1058 const char *name;
1059 } KeyDef;
1060
1061 static const KeyDef key_defs[] = {
1062 { 0x2a, "shift" },
1063 { 0x36, "shift_r" },
1064
1065 { 0x38, "alt" },
1066 { 0xb8, "alt_r" },
1067 { 0x64, "altgr" },
1068 { 0xe4, "altgr_r" },
1069 { 0x1d, "ctrl" },
1070 { 0x9d, "ctrl_r" },
1071
1072 { 0xdd, "menu" },
1073
1074 { 0x01, "esc" },
1075
1076 { 0x02, "1" },
1077 { 0x03, "2" },
1078 { 0x04, "3" },
1079 { 0x05, "4" },
1080 { 0x06, "5" },
1081 { 0x07, "6" },
1082 { 0x08, "7" },
1083 { 0x09, "8" },
1084 { 0x0a, "9" },
1085 { 0x0b, "0" },
1086 { 0x0c, "minus" },
1087 { 0x0d, "equal" },
1088 { 0x0e, "backspace" },
1089
1090 { 0x0f, "tab" },
1091 { 0x10, "q" },
1092 { 0x11, "w" },
1093 { 0x12, "e" },
1094 { 0x13, "r" },
1095 { 0x14, "t" },
1096 { 0x15, "y" },
1097 { 0x16, "u" },
1098 { 0x17, "i" },
1099 { 0x18, "o" },
1100 { 0x19, "p" },
1101
1102 { 0x1c, "ret" },
1103
1104 { 0x1e, "a" },
1105 { 0x1f, "s" },
1106 { 0x20, "d" },
1107 { 0x21, "f" },
1108 { 0x22, "g" },
1109 { 0x23, "h" },
1110 { 0x24, "j" },
1111 { 0x25, "k" },
1112 { 0x26, "l" },
1113
1114 { 0x2c, "z" },
1115 { 0x2d, "x" },
1116 { 0x2e, "c" },
1117 { 0x2f, "v" },
1118 { 0x30, "b" },
1119 { 0x31, "n" },
1120 { 0x32, "m" },
1121 { 0x33, "comma" },
1122 { 0x34, "dot" },
1123 { 0x35, "slash" },
1124
1125 { 0x37, "asterisk" },
1126
1127 { 0x39, "spc" },
1128 { 0x3a, "caps_lock" },
1129 { 0x3b, "f1" },
1130 { 0x3c, "f2" },
1131 { 0x3d, "f3" },
1132 { 0x3e, "f4" },
1133 { 0x3f, "f5" },
1134 { 0x40, "f6" },
1135 { 0x41, "f7" },
1136 { 0x42, "f8" },
1137 { 0x43, "f9" },
1138 { 0x44, "f10" },
1139 { 0x45, "num_lock" },
1140 { 0x46, "scroll_lock" },
1141
1142 { 0xb5, "kp_divide" },
1143 { 0x37, "kp_multiply" },
1144 { 0x4a, "kp_subtract" },
1145 { 0x4e, "kp_add" },
1146 { 0x9c, "kp_enter" },
1147 { 0x53, "kp_decimal" },
1148 { 0x54, "sysrq" },
1149
1150 { 0x52, "kp_0" },
1151 { 0x4f, "kp_1" },
1152 { 0x50, "kp_2" },
1153 { 0x51, "kp_3" },
1154 { 0x4b, "kp_4" },
1155 { 0x4c, "kp_5" },
1156 { 0x4d, "kp_6" },
1157 { 0x47, "kp_7" },
1158 { 0x48, "kp_8" },
1159 { 0x49, "kp_9" },
1160
1161 { 0x56, "<" },
1162
1163 { 0x57, "f11" },
1164 { 0x58, "f12" },
1165
1166 { 0xb7, "print" },
1167
1168 { 0xc7, "home" },
1169 { 0xc9, "pgup" },
1170 { 0xd1, "pgdn" },
1171 { 0xcf, "end" },
1172
1173 { 0xcb, "left" },
1174 { 0xc8, "up" },
1175 { 0xd0, "down" },
1176 { 0xcd, "right" },
1177
1178 { 0xd2, "insert" },
1179 { 0xd3, "delete" },
1180 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1181 { 0xf0, "stop" },
1182 { 0xf1, "again" },
1183 { 0xf2, "props" },
1184 { 0xf3, "undo" },
1185 { 0xf4, "front" },
1186 { 0xf5, "copy" },
1187 { 0xf6, "open" },
1188 { 0xf7, "paste" },
1189 { 0xf8, "find" },
1190 { 0xf9, "cut" },
1191 { 0xfa, "lf" },
1192 { 0xfb, "help" },
1193 { 0xfc, "meta_l" },
1194 { 0xfd, "meta_r" },
1195 { 0xfe, "compose" },
1196 #endif
1197 { 0, NULL },
1198 };
1199
1200 static int get_keycode(const char *key)
1201 {
1202 const KeyDef *p;
1203 char *endp;
1204 int ret;
1205
1206 for(p = key_defs; p->name != NULL; p++) {
1207 if (!strcmp(key, p->name))
1208 return p->keycode;
1209 }
1210 if (strstart(key, "0x", NULL)) {
1211 ret = strtoul(key, &endp, 0);
1212 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1213 return ret;
1214 }
1215 return -1;
1216 }
1217
1218 #define MAX_KEYCODES 16
1219 static uint8_t keycodes[MAX_KEYCODES];
1220 static int nb_pending_keycodes;
1221 static QEMUTimer *key_timer;
1222
1223 static void release_keys(void *opaque)
1224 {
1225 int keycode;
1226
1227 while (nb_pending_keycodes > 0) {
1228 nb_pending_keycodes--;
1229 keycode = keycodes[nb_pending_keycodes];
1230 if (keycode & 0x80)
1231 kbd_put_keycode(0xe0);
1232 kbd_put_keycode(keycode | 0x80);
1233 }
1234 }
1235
1236 static void do_sendkey(Monitor *mon, const QDict *qdict)
1237 {
1238 char keyname_buf[16];
1239 char *separator;
1240 int keyname_len, keycode, i;
1241 const char *string = qdict_get_str(qdict, "string");
1242 int has_hold_time = qdict_haskey(qdict, "hold_time");
1243 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1244
1245 if (nb_pending_keycodes > 0) {
1246 qemu_del_timer(key_timer);
1247 release_keys(NULL);
1248 }
1249 if (!has_hold_time)
1250 hold_time = 100;
1251 i = 0;
1252 while (1) {
1253 separator = strchr(string, '-');
1254 keyname_len = separator ? separator - string : strlen(string);
1255 if (keyname_len > 0) {
1256 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1257 if (keyname_len > sizeof(keyname_buf) - 1) {
1258 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1259 return;
1260 }
1261 if (i == MAX_KEYCODES) {
1262 monitor_printf(mon, "too many keys\n");
1263 return;
1264 }
1265 keyname_buf[keyname_len] = 0;
1266 keycode = get_keycode(keyname_buf);
1267 if (keycode < 0) {
1268 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1269 return;
1270 }
1271 keycodes[i++] = keycode;
1272 }
1273 if (!separator)
1274 break;
1275 string = separator + 1;
1276 }
1277 nb_pending_keycodes = i;
1278 /* key down events */
1279 for (i = 0; i < nb_pending_keycodes; i++) {
1280 keycode = keycodes[i];
1281 if (keycode & 0x80)
1282 kbd_put_keycode(0xe0);
1283 kbd_put_keycode(keycode & 0x7f);
1284 }
1285 /* delayed key up events */
1286 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1287 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1288 }
1289
1290 static int mouse_button_state;
1291
1292 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1293 {
1294 int dx, dy, dz;
1295 const char *dx_str = qdict_get_str(qdict, "dx_str");
1296 const char *dy_str = qdict_get_str(qdict, "dy_str");
1297 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1298 dx = strtol(dx_str, NULL, 0);
1299 dy = strtol(dy_str, NULL, 0);
1300 dz = 0;
1301 if (dz_str)
1302 dz = strtol(dz_str, NULL, 0);
1303 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1304 }
1305
1306 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1307 {
1308 int button_state = qdict_get_int(qdict, "button_state");
1309 mouse_button_state = button_state;
1310 kbd_mouse_event(0, 0, 0, mouse_button_state);
1311 }
1312
1313 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1314 {
1315 int size = qdict_get_int(qdict, "size");
1316 int addr = qdict_get_int(qdict, "addr");
1317 int has_index = qdict_haskey(qdict, "index");
1318 uint32_t val;
1319 int suffix;
1320
1321 if (has_index) {
1322 int index = qdict_get_int(qdict, "index");
1323 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1324 addr++;
1325 }
1326 addr &= 0xffff;
1327
1328 switch(size) {
1329 default:
1330 case 1:
1331 val = cpu_inb(addr);
1332 suffix = 'b';
1333 break;
1334 case 2:
1335 val = cpu_inw(addr);
1336 suffix = 'w';
1337 break;
1338 case 4:
1339 val = cpu_inl(addr);
1340 suffix = 'l';
1341 break;
1342 }
1343 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1344 suffix, addr, size * 2, val);
1345 }
1346
1347 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1348 {
1349 int size = qdict_get_int(qdict, "size");
1350 int addr = qdict_get_int(qdict, "addr");
1351 int val = qdict_get_int(qdict, "val");
1352
1353 addr &= IOPORTS_MASK;
1354
1355 switch (size) {
1356 default:
1357 case 1:
1358 cpu_outb(addr, val);
1359 break;
1360 case 2:
1361 cpu_outw(addr, val);
1362 break;
1363 case 4:
1364 cpu_outl(addr, val);
1365 break;
1366 }
1367 }
1368
1369 static void do_boot_set(Monitor *mon, const QDict *qdict)
1370 {
1371 int res;
1372 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1373
1374 res = qemu_boot_set(bootdevice);
1375 if (res == 0) {
1376 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1377 } else if (res > 0) {
1378 monitor_printf(mon, "setting boot device list failed\n");
1379 } else {
1380 monitor_printf(mon, "no function defined to set boot device list for "
1381 "this architecture\n");
1382 }
1383 }
1384
1385 /**
1386 * do_system_reset(): Issue a machine reset
1387 */
1388 static void do_system_reset(Monitor *mon, const QDict *qdict,
1389 QObject **ret_data)
1390 {
1391 qemu_system_reset_request();
1392 }
1393
1394 /**
1395 * do_system_powerdown(): Issue a machine powerdown
1396 */
1397 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1398 QObject **ret_data)
1399 {
1400 qemu_system_powerdown_request();
1401 }
1402
1403 #if defined(TARGET_I386)
1404 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1405 {
1406 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1407 addr,
1408 pte & mask,
1409 pte & PG_GLOBAL_MASK ? 'G' : '-',
1410 pte & PG_PSE_MASK ? 'P' : '-',
1411 pte & PG_DIRTY_MASK ? 'D' : '-',
1412 pte & PG_ACCESSED_MASK ? 'A' : '-',
1413 pte & PG_PCD_MASK ? 'C' : '-',
1414 pte & PG_PWT_MASK ? 'T' : '-',
1415 pte & PG_USER_MASK ? 'U' : '-',
1416 pte & PG_RW_MASK ? 'W' : '-');
1417 }
1418
1419 static void tlb_info(Monitor *mon)
1420 {
1421 CPUState *env;
1422 int l1, l2;
1423 uint32_t pgd, pde, pte;
1424
1425 env = mon_get_cpu();
1426 if (!env)
1427 return;
1428
1429 if (!(env->cr[0] & CR0_PG_MASK)) {
1430 monitor_printf(mon, "PG disabled\n");
1431 return;
1432 }
1433 pgd = env->cr[3] & ~0xfff;
1434 for(l1 = 0; l1 < 1024; l1++) {
1435 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1436 pde = le32_to_cpu(pde);
1437 if (pde & PG_PRESENT_MASK) {
1438 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1439 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1440 } else {
1441 for(l2 = 0; l2 < 1024; l2++) {
1442 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1443 (uint8_t *)&pte, 4);
1444 pte = le32_to_cpu(pte);
1445 if (pte & PG_PRESENT_MASK) {
1446 print_pte(mon, (l1 << 22) + (l2 << 12),
1447 pte & ~PG_PSE_MASK,
1448 ~0xfff);
1449 }
1450 }
1451 }
1452 }
1453 }
1454 }
1455
1456 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1457 uint32_t end, int prot)
1458 {
1459 int prot1;
1460 prot1 = *plast_prot;
1461 if (prot != prot1) {
1462 if (*pstart != -1) {
1463 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1464 *pstart, end, end - *pstart,
1465 prot1 & PG_USER_MASK ? 'u' : '-',
1466 'r',
1467 prot1 & PG_RW_MASK ? 'w' : '-');
1468 }
1469 if (prot != 0)
1470 *pstart = end;
1471 else
1472 *pstart = -1;
1473 *plast_prot = prot;
1474 }
1475 }
1476
1477 static void mem_info(Monitor *mon)
1478 {
1479 CPUState *env;
1480 int l1, l2, prot, last_prot;
1481 uint32_t pgd, pde, pte, start, end;
1482
1483 env = mon_get_cpu();
1484 if (!env)
1485 return;
1486
1487 if (!(env->cr[0] & CR0_PG_MASK)) {
1488 monitor_printf(mon, "PG disabled\n");
1489 return;
1490 }
1491 pgd = env->cr[3] & ~0xfff;
1492 last_prot = 0;
1493 start = -1;
1494 for(l1 = 0; l1 < 1024; l1++) {
1495 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1496 pde = le32_to_cpu(pde);
1497 end = l1 << 22;
1498 if (pde & PG_PRESENT_MASK) {
1499 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1500 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1501 mem_print(mon, &start, &last_prot, end, prot);
1502 } else {
1503 for(l2 = 0; l2 < 1024; l2++) {
1504 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1505 (uint8_t *)&pte, 4);
1506 pte = le32_to_cpu(pte);
1507 end = (l1 << 22) + (l2 << 12);
1508 if (pte & PG_PRESENT_MASK) {
1509 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1510 } else {
1511 prot = 0;
1512 }
1513 mem_print(mon, &start, &last_prot, end, prot);
1514 }
1515 }
1516 } else {
1517 prot = 0;
1518 mem_print(mon, &start, &last_prot, end, prot);
1519 }
1520 }
1521 }
1522 #endif
1523
1524 #if defined(TARGET_SH4)
1525
1526 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1527 {
1528 monitor_printf(mon, " tlb%i:\t"
1529 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1530 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1531 "dirty=%hhu writethrough=%hhu\n",
1532 idx,
1533 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1534 tlb->v, tlb->sh, tlb->c, tlb->pr,
1535 tlb->d, tlb->wt);
1536 }
1537
1538 static void tlb_info(Monitor *mon)
1539 {
1540 CPUState *env = mon_get_cpu();
1541 int i;
1542
1543 monitor_printf (mon, "ITLB:\n");
1544 for (i = 0 ; i < ITLB_SIZE ; i++)
1545 print_tlb (mon, i, &env->itlb[i]);
1546 monitor_printf (mon, "UTLB:\n");
1547 for (i = 0 ; i < UTLB_SIZE ; i++)
1548 print_tlb (mon, i, &env->utlb[i]);
1549 }
1550
1551 #endif
1552
1553 static void do_info_kvm(Monitor *mon)
1554 {
1555 #ifdef CONFIG_KVM
1556 monitor_printf(mon, "kvm support: ");
1557 if (kvm_enabled())
1558 monitor_printf(mon, "enabled\n");
1559 else
1560 monitor_printf(mon, "disabled\n");
1561 #else
1562 monitor_printf(mon, "kvm support: not compiled\n");
1563 #endif
1564 }
1565
1566 static void do_info_numa(Monitor *mon)
1567 {
1568 int i;
1569 CPUState *env;
1570
1571 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1572 for (i = 0; i < nb_numa_nodes; i++) {
1573 monitor_printf(mon, "node %d cpus:", i);
1574 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1575 if (env->numa_node == i) {
1576 monitor_printf(mon, " %d", env->cpu_index);
1577 }
1578 }
1579 monitor_printf(mon, "\n");
1580 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1581 node_mem[i] >> 20);
1582 }
1583 }
1584
1585 #ifdef CONFIG_PROFILER
1586
1587 int64_t qemu_time;
1588 int64_t dev_time;
1589
1590 static void do_info_profile(Monitor *mon)
1591 {
1592 int64_t total;
1593 total = qemu_time;
1594 if (total == 0)
1595 total = 1;
1596 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1597 dev_time, dev_time / (double)get_ticks_per_sec());
1598 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1599 qemu_time, qemu_time / (double)get_ticks_per_sec());
1600 qemu_time = 0;
1601 dev_time = 0;
1602 }
1603 #else
1604 static void do_info_profile(Monitor *mon)
1605 {
1606 monitor_printf(mon, "Internal profiler not compiled\n");
1607 }
1608 #endif
1609
1610 /* Capture support */
1611 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1612
1613 static void do_info_capture(Monitor *mon)
1614 {
1615 int i;
1616 CaptureState *s;
1617
1618 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1619 monitor_printf(mon, "[%d]: ", i);
1620 s->ops.info (s->opaque);
1621 }
1622 }
1623
1624 #ifdef HAS_AUDIO
1625 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1626 {
1627 int i;
1628 int n = qdict_get_int(qdict, "n");
1629 CaptureState *s;
1630
1631 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1632 if (i == n) {
1633 s->ops.destroy (s->opaque);
1634 QLIST_REMOVE (s, entries);
1635 qemu_free (s);
1636 return;
1637 }
1638 }
1639 }
1640
1641 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1642 {
1643 const char *path = qdict_get_str(qdict, "path");
1644 int has_freq = qdict_haskey(qdict, "freq");
1645 int freq = qdict_get_try_int(qdict, "freq", -1);
1646 int has_bits = qdict_haskey(qdict, "bits");
1647 int bits = qdict_get_try_int(qdict, "bits", -1);
1648 int has_channels = qdict_haskey(qdict, "nchannels");
1649 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1650 CaptureState *s;
1651
1652 s = qemu_mallocz (sizeof (*s));
1653
1654 freq = has_freq ? freq : 44100;
1655 bits = has_bits ? bits : 16;
1656 nchannels = has_channels ? nchannels : 2;
1657
1658 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1659 monitor_printf(mon, "Faied to add wave capture\n");
1660 qemu_free (s);
1661 }
1662 QLIST_INSERT_HEAD (&capture_head, s, entries);
1663 }
1664 #endif
1665
1666 #if defined(TARGET_I386)
1667 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1668 {
1669 CPUState *env;
1670 int cpu_index = qdict_get_int(qdict, "cpu_index");
1671
1672 for (env = first_cpu; env != NULL; env = env->next_cpu)
1673 if (env->cpu_index == cpu_index) {
1674 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1675 break;
1676 }
1677 }
1678 #endif
1679
1680 static void do_info_status(Monitor *mon)
1681 {
1682 if (vm_running) {
1683 if (singlestep) {
1684 monitor_printf(mon, "VM status: running (single step mode)\n");
1685 } else {
1686 monitor_printf(mon, "VM status: running\n");
1687 }
1688 } else
1689 monitor_printf(mon, "VM status: paused\n");
1690 }
1691
1692 /**
1693 * do_balloon(): Request VM to change its memory allocation
1694 */
1695 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1696 {
1697 int value = qdict_get_int(qdict, "value");
1698 ram_addr_t target = value;
1699 qemu_balloon(target << 20);
1700 }
1701
1702 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1703 {
1704 monitor_printf(mon, "balloon: actual=%d\n",
1705 (int)qint_get_int(qobject_to_qint(data)));
1706 }
1707
1708 /**
1709 * do_info_balloon(): Balloon information
1710 */
1711 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1712 {
1713 ram_addr_t actual;
1714
1715 actual = qemu_balloon_status();
1716 if (kvm_enabled() && !kvm_has_sync_mmu())
1717 monitor_printf(mon, "Using KVM without synchronous MMU, "
1718 "ballooning disabled\n");
1719 else if (actual == 0)
1720 monitor_printf(mon, "Ballooning not activated in VM\n");
1721 else
1722 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1723 }
1724
1725 static qemu_acl *find_acl(Monitor *mon, const char *name)
1726 {
1727 qemu_acl *acl = qemu_acl_find(name);
1728
1729 if (!acl) {
1730 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1731 }
1732 return acl;
1733 }
1734
1735 static void do_acl_show(Monitor *mon, const QDict *qdict)
1736 {
1737 const char *aclname = qdict_get_str(qdict, "aclname");
1738 qemu_acl *acl = find_acl(mon, aclname);
1739 qemu_acl_entry *entry;
1740 int i = 0;
1741
1742 if (acl) {
1743 monitor_printf(mon, "policy: %s\n",
1744 acl->defaultDeny ? "deny" : "allow");
1745 QTAILQ_FOREACH(entry, &acl->entries, next) {
1746 i++;
1747 monitor_printf(mon, "%d: %s %s\n", i,
1748 entry->deny ? "deny" : "allow", entry->match);
1749 }
1750 }
1751 }
1752
1753 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1754 {
1755 const char *aclname = qdict_get_str(qdict, "aclname");
1756 qemu_acl *acl = find_acl(mon, aclname);
1757
1758 if (acl) {
1759 qemu_acl_reset(acl);
1760 monitor_printf(mon, "acl: removed all rules\n");
1761 }
1762 }
1763
1764 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1765 {
1766 const char *aclname = qdict_get_str(qdict, "aclname");
1767 const char *policy = qdict_get_str(qdict, "policy");
1768 qemu_acl *acl = find_acl(mon, aclname);
1769
1770 if (acl) {
1771 if (strcmp(policy, "allow") == 0) {
1772 acl->defaultDeny = 0;
1773 monitor_printf(mon, "acl: policy set to 'allow'\n");
1774 } else if (strcmp(policy, "deny") == 0) {
1775 acl->defaultDeny = 1;
1776 monitor_printf(mon, "acl: policy set to 'deny'\n");
1777 } else {
1778 monitor_printf(mon, "acl: unknown policy '%s', "
1779 "expected 'deny' or 'allow'\n", policy);
1780 }
1781 }
1782 }
1783
1784 static void do_acl_add(Monitor *mon, const QDict *qdict)
1785 {
1786 const char *aclname = qdict_get_str(qdict, "aclname");
1787 const char *match = qdict_get_str(qdict, "match");
1788 const char *policy = qdict_get_str(qdict, "policy");
1789 int has_index = qdict_haskey(qdict, "index");
1790 int index = qdict_get_try_int(qdict, "index", -1);
1791 qemu_acl *acl = find_acl(mon, aclname);
1792 int deny, ret;
1793
1794 if (acl) {
1795 if (strcmp(policy, "allow") == 0) {
1796 deny = 0;
1797 } else if (strcmp(policy, "deny") == 0) {
1798 deny = 1;
1799 } else {
1800 monitor_printf(mon, "acl: unknown policy '%s', "
1801 "expected 'deny' or 'allow'\n", policy);
1802 return;
1803 }
1804 if (has_index)
1805 ret = qemu_acl_insert(acl, deny, match, index);
1806 else
1807 ret = qemu_acl_append(acl, deny, match);
1808 if (ret < 0)
1809 monitor_printf(mon, "acl: unable to add acl entry\n");
1810 else
1811 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1812 }
1813 }
1814
1815 static void do_acl_remove(Monitor *mon, const QDict *qdict)
1816 {
1817 const char *aclname = qdict_get_str(qdict, "aclname");
1818 const char *match = qdict_get_str(qdict, "match");
1819 qemu_acl *acl = find_acl(mon, aclname);
1820 int ret;
1821
1822 if (acl) {
1823 ret = qemu_acl_remove(acl, match);
1824 if (ret < 0)
1825 monitor_printf(mon, "acl: no matching acl entry\n");
1826 else
1827 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1828 }
1829 }
1830
1831 #if defined(TARGET_I386)
1832 static void do_inject_mce(Monitor *mon, const QDict *qdict)
1833 {
1834 CPUState *cenv;
1835 int cpu_index = qdict_get_int(qdict, "cpu_index");
1836 int bank = qdict_get_int(qdict, "bank");
1837 uint64_t status = qdict_get_int(qdict, "status");
1838 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
1839 uint64_t addr = qdict_get_int(qdict, "addr");
1840 uint64_t misc = qdict_get_int(qdict, "misc");
1841
1842 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
1843 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
1844 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
1845 break;
1846 }
1847 }
1848 #endif
1849
1850 static void do_getfd(Monitor *mon, const QDict *qdict)
1851 {
1852 const char *fdname = qdict_get_str(qdict, "fdname");
1853 mon_fd_t *monfd;
1854 int fd;
1855
1856 fd = qemu_chr_get_msgfd(mon->chr);
1857 if (fd == -1) {
1858 monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
1859 return;
1860 }
1861
1862 if (qemu_isdigit(fdname[0])) {
1863 monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
1864 return;
1865 }
1866
1867 fd = dup(fd);
1868 if (fd == -1) {
1869 monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
1870 strerror(errno));
1871 return;
1872 }
1873
1874 QLIST_FOREACH(monfd, &mon->fds, next) {
1875 if (strcmp(monfd->name, fdname) != 0) {
1876 continue;
1877 }
1878
1879 close(monfd->fd);
1880 monfd->fd = fd;
1881 return;
1882 }
1883
1884 monfd = qemu_mallocz(sizeof(mon_fd_t));
1885 monfd->name = qemu_strdup(fdname);
1886 monfd->fd = fd;
1887
1888 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
1889 }
1890
1891 static void do_closefd(Monitor *mon, const QDict *qdict)
1892 {
1893 const char *fdname = qdict_get_str(qdict, "fdname");
1894 mon_fd_t *monfd;
1895
1896 QLIST_FOREACH(monfd, &mon->fds, next) {
1897 if (strcmp(monfd->name, fdname) != 0) {
1898 continue;
1899 }
1900
1901 QLIST_REMOVE(monfd, next);
1902 close(monfd->fd);
1903 qemu_free(monfd->name);
1904 qemu_free(monfd);
1905 return;
1906 }
1907
1908 monitor_printf(mon, "Failed to find file descriptor named %s\n",
1909 fdname);
1910 }
1911
1912 static void do_loadvm(Monitor *mon, const QDict *qdict)
1913 {
1914 int saved_vm_running = vm_running;
1915 const char *name = qdict_get_str(qdict, "name");
1916
1917 vm_stop(0);
1918
1919 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
1920 vm_start();
1921 }
1922
1923 int monitor_get_fd(Monitor *mon, const char *fdname)
1924 {
1925 mon_fd_t *monfd;
1926
1927 QLIST_FOREACH(monfd, &mon->fds, next) {
1928 int fd;
1929
1930 if (strcmp(monfd->name, fdname) != 0) {
1931 continue;
1932 }
1933
1934 fd = monfd->fd;
1935
1936 /* caller takes ownership of fd */
1937 QLIST_REMOVE(monfd, next);
1938 qemu_free(monfd->name);
1939 qemu_free(monfd);
1940
1941 return fd;
1942 }
1943
1944 return -1;
1945 }
1946
1947 static const mon_cmd_t mon_cmds[] = {
1948 #include "qemu-monitor.h"
1949 { NULL, NULL, },
1950 };
1951
1952 /* Please update qemu-monitor.hx when adding or changing commands */
1953 static const mon_cmd_t info_cmds[] = {
1954 {
1955 .name = "version",
1956 .args_type = "",
1957 .params = "",
1958 .help = "show the version of QEMU",
1959 .user_print = monitor_print_qobject,
1960 .mhandler.info_new = do_info_version,
1961 },
1962 {
1963 .name = "network",
1964 .args_type = "",
1965 .params = "",
1966 .help = "show the network state",
1967 .mhandler.info = do_info_network,
1968 },
1969 {
1970 .name = "chardev",
1971 .args_type = "",
1972 .params = "",
1973 .help = "show the character devices",
1974 .mhandler.info = qemu_chr_info,
1975 },
1976 {
1977 .name = "block",
1978 .args_type = "",
1979 .params = "",
1980 .help = "show the block devices",
1981 .mhandler.info = bdrv_info,
1982 },
1983 {
1984 .name = "blockstats",
1985 .args_type = "",
1986 .params = "",
1987 .help = "show block device statistics",
1988 .mhandler.info = bdrv_info_stats,
1989 },
1990 {
1991 .name = "registers",
1992 .args_type = "",
1993 .params = "",
1994 .help = "show the cpu registers",
1995 .mhandler.info = do_info_registers,
1996 },
1997 {
1998 .name = "cpus",
1999 .args_type = "",
2000 .params = "",
2001 .help = "show infos for each CPU",
2002 .user_print = monitor_print_cpus,
2003 .mhandler.info_new = do_info_cpus,
2004 },
2005 {
2006 .name = "history",
2007 .args_type = "",
2008 .params = "",
2009 .help = "show the command line history",
2010 .mhandler.info = do_info_history,
2011 },
2012 {
2013 .name = "irq",
2014 .args_type = "",
2015 .params = "",
2016 .help = "show the interrupts statistics (if available)",
2017 .mhandler.info = irq_info,
2018 },
2019 {
2020 .name = "pic",
2021 .args_type = "",
2022 .params = "",
2023 .help = "show i8259 (PIC) state",
2024 .mhandler.info = pic_info,
2025 },
2026 {
2027 .name = "pci",
2028 .args_type = "",
2029 .params = "",
2030 .help = "show PCI info",
2031 .mhandler.info = pci_info,
2032 },
2033 #if defined(TARGET_I386) || defined(TARGET_SH4)
2034 {
2035 .name = "tlb",
2036 .args_type = "",
2037 .params = "",
2038 .help = "show virtual to physical memory mappings",
2039 .mhandler.info = tlb_info,
2040 },
2041 #endif
2042 #if defined(TARGET_I386)
2043 {
2044 .name = "mem",
2045 .args_type = "",
2046 .params = "",
2047 .help = "show the active virtual memory mappings",
2048 .mhandler.info = mem_info,
2049 },
2050 {
2051 .name = "hpet",
2052 .args_type = "",
2053 .params = "",
2054 .help = "show state of HPET",
2055 .mhandler.info = do_info_hpet,
2056 },
2057 #endif
2058 {
2059 .name = "jit",
2060 .args_type = "",
2061 .params = "",
2062 .help = "show dynamic compiler info",
2063 .mhandler.info = do_info_jit,
2064 },
2065 {
2066 .name = "kvm",
2067 .args_type = "",
2068 .params = "",
2069 .help = "show KVM information",
2070 .mhandler.info = do_info_kvm,
2071 },
2072 {
2073 .name = "numa",
2074 .args_type = "",
2075 .params = "",
2076 .help = "show NUMA information",
2077 .mhandler.info = do_info_numa,
2078 },
2079 {
2080 .name = "usb",
2081 .args_type = "",
2082 .params = "",
2083 .help = "show guest USB devices",
2084 .mhandler.info = usb_info,
2085 },
2086 {
2087 .name = "usbhost",
2088 .args_type = "",
2089 .params = "",
2090 .help = "show host USB devices",
2091 .mhandler.info = usb_host_info,
2092 },
2093 {
2094 .name = "profile",
2095 .args_type = "",
2096 .params = "",
2097 .help = "show profiling information",
2098 .mhandler.info = do_info_profile,
2099 },
2100 {
2101 .name = "capture",
2102 .args_type = "",
2103 .params = "",
2104 .help = "show capture information",
2105 .mhandler.info = do_info_capture,
2106 },
2107 {
2108 .name = "snapshots",
2109 .args_type = "",
2110 .params = "",
2111 .help = "show the currently saved VM snapshots",
2112 .mhandler.info = do_info_snapshots,
2113 },
2114 {
2115 .name = "status",
2116 .args_type = "",
2117 .params = "",
2118 .help = "show the current VM status (running|paused)",
2119 .mhandler.info = do_info_status,
2120 },
2121 {
2122 .name = "pcmcia",
2123 .args_type = "",
2124 .params = "",
2125 .help = "show guest PCMCIA status",
2126 .mhandler.info = pcmcia_info,
2127 },
2128 {
2129 .name = "mice",
2130 .args_type = "",
2131 .params = "",
2132 .help = "show which guest mouse is receiving events",
2133 .mhandler.info = do_info_mice,
2134 },
2135 {
2136 .name = "vnc",
2137 .args_type = "",
2138 .params = "",
2139 .help = "show the vnc server status",
2140 .mhandler.info = do_info_vnc,
2141 },
2142 {
2143 .name = "name",
2144 .args_type = "",
2145 .params = "",
2146 .help = "show the current VM name",
2147 .mhandler.info = do_info_name,
2148 },
2149 {
2150 .name = "uuid",
2151 .args_type = "",
2152 .params = "",
2153 .help = "show the current VM UUID",
2154 .mhandler.info = do_info_uuid,
2155 },
2156 #if defined(TARGET_PPC)
2157 {
2158 .name = "cpustats",
2159 .args_type = "",
2160 .params = "",
2161 .help = "show CPU statistics",
2162 .mhandler.info = do_info_cpu_stats,
2163 },
2164 #endif
2165 #if defined(CONFIG_SLIRP)
2166 {
2167 .name = "usernet",
2168 .args_type = "",
2169 .params = "",
2170 .help = "show user network stack connection states",
2171 .mhandler.info = do_info_usernet,
2172 },
2173 #endif
2174 {
2175 .name = "migrate",
2176 .args_type = "",
2177 .params = "",
2178 .help = "show migration status",
2179 .mhandler.info = do_info_migrate,
2180 },
2181 {
2182 .name = "balloon",
2183 .args_type = "",
2184 .params = "",
2185 .help = "show balloon information",
2186 .user_print = monitor_print_balloon,
2187 .mhandler.info_new = do_info_balloon,
2188 },
2189 {
2190 .name = "qtree",
2191 .args_type = "",
2192 .params = "",
2193 .help = "show device tree",
2194 .mhandler.info = do_info_qtree,
2195 },
2196 {
2197 .name = "qdm",
2198 .args_type = "",
2199 .params = "",
2200 .help = "show qdev device model list",
2201 .mhandler.info = do_info_qdm,
2202 },
2203 {
2204 .name = "roms",
2205 .args_type = "",
2206 .params = "",
2207 .help = "show roms",
2208 .mhandler.info = do_info_roms,
2209 },
2210 {
2211 .name = NULL,
2212 },
2213 };
2214
2215 /*******************************************************************/
2216
2217 static const char *pch;
2218 static jmp_buf expr_env;
2219
2220 #define MD_TLONG 0
2221 #define MD_I32 1
2222
2223 typedef struct MonitorDef {
2224 const char *name;
2225 int offset;
2226 target_long (*get_value)(const struct MonitorDef *md, int val);
2227 int type;
2228 } MonitorDef;
2229
2230 #if defined(TARGET_I386)
2231 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2232 {
2233 CPUState *env = mon_get_cpu();
2234 if (!env)
2235 return 0;
2236 return env->eip + env->segs[R_CS].base;
2237 }
2238 #endif
2239
2240 #if defined(TARGET_PPC)
2241 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2242 {
2243 CPUState *env = mon_get_cpu();
2244 unsigned int u;
2245 int i;
2246
2247 if (!env)
2248 return 0;
2249
2250 u = 0;
2251 for (i = 0; i < 8; i++)
2252 u |= env->crf[i] << (32 - (4 * i));
2253
2254 return u;
2255 }
2256
2257 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2258 {
2259 CPUState *env = mon_get_cpu();
2260 if (!env)
2261 return 0;
2262 return env->msr;
2263 }
2264
2265 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2266 {
2267 CPUState *env = mon_get_cpu();
2268 if (!env)
2269 return 0;
2270 return env->xer;
2271 }
2272
2273 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2274 {
2275 CPUState *env = mon_get_cpu();
2276 if (!env)
2277 return 0;
2278 return cpu_ppc_load_decr(env);
2279 }
2280
2281 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2282 {
2283 CPUState *env = mon_get_cpu();
2284 if (!env)
2285 return 0;
2286 return cpu_ppc_load_tbu(env);
2287 }
2288
2289 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2290 {
2291 CPUState *env = mon_get_cpu();
2292 if (!env)
2293 return 0;
2294 return cpu_ppc_load_tbl(env);
2295 }
2296 #endif
2297
2298 #if defined(TARGET_SPARC)
2299 #ifndef TARGET_SPARC64
2300 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2301 {
2302 CPUState *env = mon_get_cpu();
2303 if (!env)
2304 return 0;
2305 return GET_PSR(env);
2306 }
2307 #endif
2308
2309 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2310 {
2311 CPUState *env = mon_get_cpu();
2312 if (!env)
2313 return 0;
2314 return env->regwptr[val];
2315 }
2316 #endif
2317
2318 static const MonitorDef monitor_defs[] = {
2319 #ifdef TARGET_I386
2320
2321 #define SEG(name, seg) \
2322 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2323 { name ".base", offsetof(CPUState, segs[seg].base) },\
2324 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2325
2326 { "eax", offsetof(CPUState, regs[0]) },
2327 { "ecx", offsetof(CPUState, regs[1]) },
2328 { "edx", offsetof(CPUState, regs[2]) },
2329 { "ebx", offsetof(CPUState, regs[3]) },
2330 { "esp|sp", offsetof(CPUState, regs[4]) },
2331 { "ebp|fp", offsetof(CPUState, regs[5]) },
2332 { "esi", offsetof(CPUState, regs[6]) },
2333 { "edi", offsetof(CPUState, regs[7]) },
2334 #ifdef TARGET_X86_64
2335 { "r8", offsetof(CPUState, regs[8]) },
2336 { "r9", offsetof(CPUState, regs[9]) },
2337 { "r10", offsetof(CPUState, regs[10]) },
2338 { "r11", offsetof(CPUState, regs[11]) },
2339 { "r12", offsetof(CPUState, regs[12]) },
2340 { "r13", offsetof(CPUState, regs[13]) },
2341 { "r14", offsetof(CPUState, regs[14]) },
2342 { "r15", offsetof(CPUState, regs[15]) },
2343 #endif
2344 { "eflags", offsetof(CPUState, eflags) },
2345 { "eip", offsetof(CPUState, eip) },
2346 SEG("cs", R_CS)
2347 SEG("ds", R_DS)
2348 SEG("es", R_ES)
2349 SEG("ss", R_SS)
2350 SEG("fs", R_FS)
2351 SEG("gs", R_GS)
2352 { "pc", 0, monitor_get_pc, },
2353 #elif defined(TARGET_PPC)
2354 /* General purpose registers */
2355 { "r0", offsetof(CPUState, gpr[0]) },
2356 { "r1", offsetof(CPUState, gpr[1]) },
2357 { "r2", offsetof(CPUState, gpr[2]) },
2358 { "r3", offsetof(CPUState, gpr[3]) },
2359 { "r4", offsetof(CPUState, gpr[4]) },
2360 { "r5", offsetof(CPUState, gpr[5]) },
2361 { "r6", offsetof(CPUState, gpr[6]) },
2362 { "r7", offsetof(CPUState, gpr[7]) },
2363 { "r8", offsetof(CPUState, gpr[8]) },
2364 { "r9", offsetof(CPUState, gpr[9]) },
2365 { "r10", offsetof(CPUState, gpr[10]) },
2366 { "r11", offsetof(CPUState, gpr[11]) },
2367 { "r12", offsetof(CPUState, gpr[12]) },
2368 { "r13", offsetof(CPUState, gpr[13]) },
2369 { "r14", offsetof(CPUState, gpr[14]) },
2370 { "r15", offsetof(CPUState, gpr[15]) },
2371 { "r16", offsetof(CPUState, gpr[16]) },
2372 { "r17", offsetof(CPUState, gpr[17]) },
2373 { "r18", offsetof(CPUState, gpr[18]) },
2374 { "r19", offsetof(CPUState, gpr[19]) },
2375 { "r20", offsetof(CPUState, gpr[20]) },
2376 { "r21", offsetof(CPUState, gpr[21]) },
2377 { "r22", offsetof(CPUState, gpr[22]) },
2378 { "r23", offsetof(CPUState, gpr[23]) },
2379 { "r24", offsetof(CPUState, gpr[24]) },
2380 { "r25", offsetof(CPUState, gpr[25]) },
2381 { "r26", offsetof(CPUState, gpr[26]) },
2382 { "r27", offsetof(CPUState, gpr[27]) },
2383 { "r28", offsetof(CPUState, gpr[28]) },
2384 { "r29", offsetof(CPUState, gpr[29]) },
2385 { "r30", offsetof(CPUState, gpr[30]) },
2386 { "r31", offsetof(CPUState, gpr[31]) },
2387 /* Floating point registers */
2388 { "f0", offsetof(CPUState, fpr[0]) },
2389 { "f1", offsetof(CPUState, fpr[1]) },
2390 { "f2", offsetof(CPUState, fpr[2]) },
2391 { "f3", offsetof(CPUState, fpr[3]) },
2392 { "f4", offsetof(CPUState, fpr[4]) },
2393 { "f5", offsetof(CPUState, fpr[5]) },
2394 { "f6", offsetof(CPUState, fpr[6]) },
2395 { "f7", offsetof(CPUState, fpr[7]) },
2396 { "f8", offsetof(CPUState, fpr[8]) },
2397 { "f9", offsetof(CPUState, fpr[9]) },
2398 { "f10", offsetof(CPUState, fpr[10]) },
2399 { "f11", offsetof(CPUState, fpr[11]) },
2400 { "f12", offsetof(CPUState, fpr[12]) },
2401 { "f13", offsetof(CPUState, fpr[13]) },
2402 { "f14", offsetof(CPUState, fpr[14]) },
2403 { "f15", offsetof(CPUState, fpr[15]) },
2404 { "f16", offsetof(CPUState, fpr[16]) },
2405 { "f17", offsetof(CPUState, fpr[17]) },
2406 { "f18", offsetof(CPUState, fpr[18]) },
2407 { "f19", offsetof(CPUState, fpr[19]) },
2408 { "f20", offsetof(CPUState, fpr[20]) },
2409 { "f21", offsetof(CPUState, fpr[21]) },
2410 { "f22", offsetof(CPUState, fpr[22]) },
2411 { "f23", offsetof(CPUState, fpr[23]) },
2412 { "f24", offsetof(CPUState, fpr[24]) },
2413 { "f25", offsetof(CPUState, fpr[25]) },
2414 { "f26", offsetof(CPUState, fpr[26]) },
2415 { "f27", offsetof(CPUState, fpr[27]) },
2416 { "f28", offsetof(CPUState, fpr[28]) },
2417 { "f29", offsetof(CPUState, fpr[29]) },
2418 { "f30", offsetof(CPUState, fpr[30]) },
2419 { "f31", offsetof(CPUState, fpr[31]) },
2420 { "fpscr", offsetof(CPUState, fpscr) },
2421 /* Next instruction pointer */
2422 { "nip|pc", offsetof(CPUState, nip) },
2423 { "lr", offsetof(CPUState, lr) },
2424 { "ctr", offsetof(CPUState, ctr) },
2425 { "decr", 0, &monitor_get_decr, },
2426 { "ccr", 0, &monitor_get_ccr, },
2427 /* Machine state register */
2428 { "msr", 0, &monitor_get_msr, },
2429 { "xer", 0, &monitor_get_xer, },
2430 { "tbu", 0, &monitor_get_tbu, },
2431 { "tbl", 0, &monitor_get_tbl, },
2432 #if defined(TARGET_PPC64)
2433 /* Address space register */
2434 { "asr", offsetof(CPUState, asr) },
2435 #endif
2436 /* Segment registers */
2437 { "sdr1", offsetof(CPUState, sdr1) },
2438 { "sr0", offsetof(CPUState, sr[0]) },
2439 { "sr1", offsetof(CPUState, sr[1]) },
2440 { "sr2", offsetof(CPUState, sr[2]) },
2441 { "sr3", offsetof(CPUState, sr[3]) },
2442 { "sr4", offsetof(CPUState, sr[4]) },
2443 { "sr5", offsetof(CPUState, sr[5]) },
2444 { "sr6", offsetof(CPUState, sr[6]) },
2445 { "sr7", offsetof(CPUState, sr[7]) },
2446 { "sr8", offsetof(CPUState, sr[8]) },
2447 { "sr9", offsetof(CPUState, sr[9]) },
2448 { "sr10", offsetof(CPUState, sr[10]) },
2449 { "sr11", offsetof(CPUState, sr[11]) },
2450 { "sr12", offsetof(CPUState, sr[12]) },
2451 { "sr13", offsetof(CPUState, sr[13]) },
2452 { "sr14", offsetof(CPUState, sr[14]) },
2453 { "sr15", offsetof(CPUState, sr[15]) },
2454 /* Too lazy to put BATs and SPRs ... */
2455 #elif defined(TARGET_SPARC)
2456 { "g0", offsetof(CPUState, gregs[0]) },
2457 { "g1", offsetof(CPUState, gregs[1]) },
2458 { "g2", offsetof(CPUState, gregs[2]) },
2459 { "g3", offsetof(CPUState, gregs[3]) },
2460 { "g4", offsetof(CPUState, gregs[4]) },
2461 { "g5", offsetof(CPUState, gregs[5]) },
2462 { "g6", offsetof(CPUState, gregs[6]) },
2463 { "g7", offsetof(CPUState, gregs[7]) },
2464 { "o0", 0, monitor_get_reg },
2465 { "o1", 1, monitor_get_reg },
2466 { "o2", 2, monitor_get_reg },
2467 { "o3", 3, monitor_get_reg },
2468 { "o4", 4, monitor_get_reg },
2469 { "o5", 5, monitor_get_reg },
2470 { "o6", 6, monitor_get_reg },
2471 { "o7", 7, monitor_get_reg },
2472 { "l0", 8, monitor_get_reg },
2473 { "l1", 9, monitor_get_reg },
2474 { "l2", 10, monitor_get_reg },
2475 { "l3", 11, monitor_get_reg },
2476 { "l4", 12, monitor_get_reg },
2477 { "l5", 13, monitor_get_reg },
2478 { "l6", 14, monitor_get_reg },
2479 { "l7", 15, monitor_get_reg },
2480 { "i0", 16, monitor_get_reg },
2481 { "i1", 17, monitor_get_reg },
2482 { "i2", 18, monitor_get_reg },
2483 { "i3", 19, monitor_get_reg },
2484 { "i4", 20, monitor_get_reg },
2485 { "i5", 21, monitor_get_reg },
2486 { "i6", 22, monitor_get_reg },
2487 { "i7", 23, monitor_get_reg },
2488 { "pc", offsetof(CPUState, pc) },
2489 { "npc", offsetof(CPUState, npc) },
2490 { "y", offsetof(CPUState, y) },
2491 #ifndef TARGET_SPARC64
2492 { "psr", 0, &monitor_get_psr, },
2493 { "wim", offsetof(CPUState, wim) },
2494 #endif
2495 { "tbr", offsetof(CPUState, tbr) },
2496 { "fsr", offsetof(CPUState, fsr) },
2497 { "f0", offsetof(CPUState, fpr[0]) },
2498 { "f1", offsetof(CPUState, fpr[1]) },
2499 { "f2", offsetof(CPUState, fpr[2]) },
2500 { "f3", offsetof(CPUState, fpr[3]) },
2501 { "f4", offsetof(CPUState, fpr[4]) },
2502 { "f5", offsetof(CPUState, fpr[5]) },
2503 { "f6", offsetof(CPUState, fpr[6]) },
2504 { "f7", offsetof(CPUState, fpr[7]) },
2505 { "f8", offsetof(CPUState, fpr[8]) },
2506 { "f9", offsetof(CPUState, fpr[9]) },
2507 { "f10", offsetof(CPUState, fpr[10]) },
2508 { "f11", offsetof(CPUState, fpr[11]) },
2509 { "f12", offsetof(CPUState, fpr[12]) },
2510 { "f13", offsetof(CPUState, fpr[13]) },
2511 { "f14", offsetof(CPUState, fpr[14]) },
2512 { "f15", offsetof(CPUState, fpr[15]) },
2513 { "f16", offsetof(CPUState, fpr[16]) },
2514 { "f17", offsetof(CPUState, fpr[17]) },
2515 { "f18", offsetof(CPUState, fpr[18]) },
2516 { "f19", offsetof(CPUState, fpr[19]) },
2517 { "f20", offsetof(CPUState, fpr[20]) },
2518 { "f21", offsetof(CPUState, fpr[21]) },
2519 { "f22", offsetof(CPUState, fpr[22]) },
2520 { "f23", offsetof(CPUState, fpr[23]) },
2521 { "f24", offsetof(CPUState, fpr[24]) },
2522 { "f25", offsetof(CPUState, fpr[25]) },
2523 { "f26", offsetof(CPUState, fpr[26]) },
2524 { "f27", offsetof(CPUState, fpr[27]) },
2525 { "f28", offsetof(CPUState, fpr[28]) },
2526 { "f29", offsetof(CPUState, fpr[29]) },
2527 { "f30", offsetof(CPUState, fpr[30]) },
2528 { "f31", offsetof(CPUState, fpr[31]) },
2529 #ifdef TARGET_SPARC64
2530 { "f32", offsetof(CPUState, fpr[32]) },
2531 { "f34", offsetof(CPUState, fpr[34]) },
2532 { "f36", offsetof(CPUState, fpr[36]) },
2533 { "f38", offsetof(CPUState, fpr[38]) },
2534 { "f40", offsetof(CPUState, fpr[40]) },
2535 { "f42", offsetof(CPUState, fpr[42]) },
2536 { "f44", offsetof(CPUState, fpr[44]) },
2537 { "f46", offsetof(CPUState, fpr[46]) },
2538 { "f48", offsetof(CPUState, fpr[48]) },
2539 { "f50", offsetof(CPUState, fpr[50]) },
2540 { "f52", offsetof(CPUState, fpr[52]) },
2541 { "f54", offsetof(CPUState, fpr[54]) },
2542 { "f56", offsetof(CPUState, fpr[56]) },
2543 { "f58", offsetof(CPUState, fpr[58]) },
2544 { "f60", offsetof(CPUState, fpr[60]) },
2545 { "f62", offsetof(CPUState, fpr[62]) },
2546 { "asi", offsetof(CPUState, asi) },
2547 { "pstate", offsetof(CPUState, pstate) },
2548 { "cansave", offsetof(CPUState, cansave) },
2549 { "canrestore", offsetof(CPUState, canrestore) },
2550 { "otherwin", offsetof(CPUState, otherwin) },
2551 { "wstate", offsetof(CPUState, wstate) },
2552 { "cleanwin", offsetof(CPUState, cleanwin) },
2553 { "fprs", offsetof(CPUState, fprs) },
2554 #endif
2555 #endif
2556 { NULL },
2557 };
2558
2559 static void expr_error(Monitor *mon, const char *msg)
2560 {
2561 monitor_printf(mon, "%s\n", msg);
2562 longjmp(expr_env, 1);
2563 }
2564
2565 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2566 static int get_monitor_def(target_long *pval, const char *name)
2567 {
2568 const MonitorDef *md;
2569 void *ptr;
2570
2571 for(md = monitor_defs; md->name != NULL; md++) {
2572 if (compare_cmd(name, md->name)) {
2573 if (md->get_value) {
2574 *pval = md->get_value(md, md->offset);
2575 } else {
2576 CPUState *env = mon_get_cpu();
2577 if (!env)
2578 return -2;
2579 ptr = (uint8_t *)env + md->offset;
2580 switch(md->type) {
2581 case MD_I32:
2582 *pval = *(int32_t *)ptr;
2583 break;
2584 case MD_TLONG:
2585 *pval = *(target_long *)ptr;
2586 break;
2587 default:
2588 *pval = 0;
2589 break;
2590 }
2591 }
2592 return 0;
2593 }
2594 }
2595 return -1;
2596 }
2597
2598 static void next(void)
2599 {
2600 if (*pch != '\0') {
2601 pch++;
2602 while (qemu_isspace(*pch))
2603 pch++;
2604 }
2605 }
2606
2607 static int64_t expr_sum(Monitor *mon);
2608
2609 static int64_t expr_unary(Monitor *mon)
2610 {
2611 int64_t n;
2612 char *p;
2613 int ret;
2614
2615 switch(*pch) {
2616 case '+':
2617 next();
2618 n = expr_unary(mon);
2619 break;
2620 case '-':
2621 next();
2622 n = -expr_unary(mon);
2623 break;
2624 case '~':
2625 next();
2626 n = ~expr_unary(mon);
2627 break;
2628 case '(':
2629 next();
2630 n = expr_sum(mon);
2631 if (*pch != ')') {
2632 expr_error(mon, "')' expected");
2633 }
2634 next();
2635 break;
2636 case '\'':
2637 pch++;
2638 if (*pch == '\0')
2639 expr_error(mon, "character constant expected");
2640 n = *pch;
2641 pch++;
2642 if (*pch != '\'')
2643 expr_error(mon, "missing terminating \' character");
2644 next();
2645 break;
2646 case '$':
2647 {
2648 char buf[128], *q;
2649 target_long reg=0;
2650
2651 pch++;
2652 q = buf;
2653 while ((*pch >= 'a' && *pch <= 'z') ||
2654 (*pch >= 'A' && *pch <= 'Z') ||
2655 (*pch >= '0' && *pch <= '9') ||
2656 *pch == '_' || *pch == '.') {
2657 if ((q - buf) < sizeof(buf) - 1)
2658 *q++ = *pch;
2659 pch++;
2660 }
2661 while (qemu_isspace(*pch))
2662 pch++;
2663 *q = 0;
2664 ret = get_monitor_def(&reg, buf);
2665 if (ret == -1)
2666 expr_error(mon, "unknown register");
2667 else if (ret == -2)
2668 expr_error(mon, "no cpu defined");
2669 n = reg;
2670 }
2671 break;
2672 case '\0':
2673 expr_error(mon, "unexpected end of expression");
2674 n = 0;
2675 break;
2676 default:
2677 #if TARGET_PHYS_ADDR_BITS > 32
2678 n = strtoull(pch, &p, 0);
2679 #else
2680 n = strtoul(pch, &p, 0);
2681 #endif
2682 if (pch == p) {
2683 expr_error(mon, "invalid char in expression");
2684 }
2685 pch = p;
2686 while (qemu_isspace(*pch))
2687 pch++;
2688 break;
2689 }
2690 return n;
2691 }
2692
2693
2694 static int64_t expr_prod(Monitor *mon)
2695 {
2696 int64_t val, val2;
2697 int op;
2698
2699 val = expr_unary(mon);
2700 for(;;) {
2701 op = *pch;
2702 if (op != '*' && op != '/' && op != '%')
2703 break;
2704 next();
2705 val2 = expr_unary(mon);
2706 switch(op) {
2707 default:
2708 case '*':
2709 val *= val2;
2710 break;
2711 case '/':
2712 case '%':
2713 if (val2 == 0)
2714 expr_error(mon, "division by zero");
2715 if (op == '/')
2716 val /= val2;
2717 else
2718 val %= val2;
2719 break;
2720 }
2721 }
2722 return val;
2723 }
2724
2725 static int64_t expr_logic(Monitor *mon)
2726 {
2727 int64_t val, val2;
2728 int op;
2729
2730 val = expr_prod(mon);
2731 for(;;) {
2732 op = *pch;
2733 if (op != '&' && op != '|' && op != '^')
2734 break;
2735 next();
2736 val2 = expr_prod(mon);
2737 switch(op) {
2738 default:
2739 case '&':
2740 val &= val2;
2741 break;
2742 case '|':
2743 val |= val2;
2744 break;
2745 case '^':
2746 val ^= val2;
2747 break;
2748 }
2749 }
2750 return val;
2751 }
2752
2753 static int64_t expr_sum(Monitor *mon)
2754 {
2755 int64_t val, val2;
2756 int op;
2757
2758 val = expr_logic(mon);
2759 for(;;) {
2760 op = *pch;
2761 if (op != '+' && op != '-')
2762 break;
2763 next();
2764 val2 = expr_logic(mon);
2765 if (op == '+')
2766 val += val2;
2767 else
2768 val -= val2;
2769 }
2770 return val;
2771 }
2772
2773 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2774 {
2775 pch = *pp;
2776 if (setjmp(expr_env)) {
2777 *pp = pch;
2778 return -1;
2779 }
2780 while (qemu_isspace(*pch))
2781 pch++;
2782 *pval = expr_sum(mon);
2783 *pp = pch;
2784 return 0;
2785 }
2786
2787 static int get_str(char *buf, int buf_size, const char **pp)
2788 {
2789 const char *p;
2790 char *q;
2791 int c;
2792
2793 q = buf;
2794 p = *pp;
2795 while (qemu_isspace(*p))
2796 p++;
2797 if (*p == '\0') {
2798 fail:
2799 *q = '\0';
2800 *pp = p;
2801 return -1;
2802 }
2803 if (*p == '\"') {
2804 p++;
2805 while (*p != '\0' && *p != '\"') {
2806 if (*p == '\\') {
2807 p++;
2808 c = *p++;
2809 switch(c) {
2810 case 'n':
2811 c = '\n';
2812 break;
2813 case 'r':
2814 c = '\r';
2815 break;
2816 case '\\':
2817 case '\'':
2818 case '\"':
2819 break;
2820 default:
2821 qemu_printf("unsupported escape code: '\\%c'\n", c);
2822 goto fail;
2823 }
2824 if ((q - buf) < buf_size - 1) {
2825 *q++ = c;
2826 }
2827 } else {
2828 if ((q - buf) < buf_size - 1) {
2829 *q++ = *p;
2830 }
2831 p++;
2832 }
2833 }
2834 if (*p != '\"') {
2835 qemu_printf("unterminated string\n");
2836 goto fail;
2837 }
2838 p++;
2839 } else {
2840 while (*p != '\0' && !qemu_isspace(*p)) {
2841 if ((q - buf) < buf_size - 1) {
2842 *q++ = *p;
2843 }
2844 p++;
2845 }
2846 }
2847 *q = '\0';
2848 *pp = p;
2849 return 0;
2850 }
2851
2852 /*
2853 * Store the command-name in cmdname, and return a pointer to
2854 * the remaining of the command string.
2855 */
2856 static const char *get_command_name(const char *cmdline,
2857 char *cmdname, size_t nlen)
2858 {
2859 size_t len;
2860 const char *p, *pstart;
2861
2862 p = cmdline;
2863 while (qemu_isspace(*p))
2864 p++;
2865 if (*p == '\0')
2866 return NULL;
2867 pstart = p;
2868 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2869 p++;
2870 len = p - pstart;
2871 if (len > nlen - 1)
2872 len = nlen - 1;
2873 memcpy(cmdname, pstart, len);
2874 cmdname[len] = '\0';
2875 return p;
2876 }
2877
2878 /**
2879 * Read key of 'type' into 'key' and return the current
2880 * 'type' pointer.
2881 */
2882 static char *key_get_info(const char *type, char **key)
2883 {
2884 size_t len;
2885 char *p, *str;
2886
2887 if (*type == ',')
2888 type++;
2889
2890 p = strchr(type, ':');
2891 if (!p) {
2892 *key = NULL;
2893 return NULL;
2894 }
2895 len = p - type;
2896
2897 str = qemu_malloc(len + 1);
2898 memcpy(str, type, len);
2899 str[len] = '\0';
2900
2901 *key = str;
2902 return ++p;
2903 }
2904
2905 static int default_fmt_format = 'x';
2906 static int default_fmt_size = 4;
2907
2908 #define MAX_ARGS 16
2909
2910 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2911 const char *cmdline,
2912 QDict *qdict)
2913 {
2914 const char *p, *typestr;
2915 int c;
2916 const mon_cmd_t *cmd;
2917 char cmdname[256];
2918 char buf[1024];
2919 char *key;
2920
2921 #ifdef DEBUG
2922 monitor_printf(mon, "command='%s'\n", cmdline);
2923 #endif
2924
2925 /* extract the command name */
2926 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2927 if (!p)
2928 return NULL;
2929
2930 /* find the command */
2931 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2932 if (compare_cmd(cmdname, cmd->name))
2933 break;
2934 }
2935
2936 if (cmd->name == NULL) {
2937 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2938 return NULL;
2939 }
2940
2941 /* parse the parameters */
2942 typestr = cmd->args_type;
2943 for(;;) {
2944 typestr = key_get_info(typestr, &key);
2945 if (!typestr)
2946 break;
2947 c = *typestr;
2948 typestr++;
2949 switch(c) {
2950 case 'F':
2951 case 'B':
2952 case 's':
2953 {
2954 int ret;
2955
2956 while (qemu_isspace(*p))
2957 p++;
2958 if (*typestr == '?') {
2959 typestr++;
2960 if (*p == '\0') {
2961 /* no optional string: NULL argument */
2962 break;
2963 }
2964 }
2965 ret = get_str(buf, sizeof(buf), &p);
2966 if (ret < 0) {
2967 switch(c) {
2968 case 'F':
2969 monitor_printf(mon, "%s: filename expected\n",
2970 cmdname);
2971 break;
2972 case 'B':
2973 monitor_printf(mon, "%s: block device name expected\n",
2974 cmdname);
2975 break;
2976 default:
2977 monitor_printf(mon, "%s: string expected\n", cmdname);
2978 break;
2979 }
2980 goto fail;
2981 }
2982 qdict_put(qdict, key, qstring_from_str(buf));
2983 }
2984 break;
2985 case '/':
2986 {
2987 int count, format, size;
2988
2989 while (qemu_isspace(*p))
2990 p++;
2991 if (*p == '/') {
2992 /* format found */
2993 p++;
2994 count = 1;
2995 if (qemu_isdigit(*p)) {
2996 count = 0;
2997 while (qemu_isdigit(*p)) {
2998 count = count * 10 + (*p - '0');
2999 p++;
3000 }
3001 }
3002 size = -1;
3003 format = -1;
3004 for(;;) {
3005 switch(*p) {
3006 case 'o':
3007 case 'd':
3008 case 'u':
3009 case 'x':
3010 case 'i':
3011 case 'c':
3012 format = *p++;
3013 break;
3014 case 'b':
3015 size = 1;
3016 p++;
3017 break;
3018 case 'h':
3019 size = 2;
3020 p++;
3021 break;
3022 case 'w':
3023 size = 4;
3024 p++;
3025 break;
3026 case 'g':
3027 case 'L':
3028 size = 8;
3029 p++;
3030 break;
3031 default:
3032 goto next;
3033 }
3034 }
3035 next:
3036 if (*p != '\0' && !qemu_isspace(*p)) {
3037 monitor_printf(mon, "invalid char in format: '%c'\n",
3038 *p);
3039 goto fail;
3040 }
3041 if (format < 0)
3042 format = default_fmt_format;
3043 if (format != 'i') {
3044 /* for 'i', not specifying a size gives -1 as size */
3045 if (size < 0)
3046 size = default_fmt_size;
3047 default_fmt_size = size;
3048 }
3049 default_fmt_format = format;
3050 } else {
3051 count = 1;
3052 format = default_fmt_format;
3053 if (format != 'i') {
3054 size = default_fmt_size;
3055 } else {
3056 size = -1;
3057 }
3058 }
3059 qdict_put(qdict, "count", qint_from_int(count));
3060 qdict_put(qdict, "format", qint_from_int(format));
3061 qdict_put(qdict, "size", qint_from_int(size));
3062 }
3063 break;
3064 case 'i':
3065 case 'l':
3066 {
3067 int64_t val;
3068
3069 while (qemu_isspace(*p))
3070 p++;
3071 if (*typestr == '?' || *typestr == '.') {
3072 if (*typestr == '?') {
3073 if (*p == '\0') {
3074 typestr++;
3075 break;
3076 }
3077 } else {
3078 if (*p == '.') {
3079 p++;
3080 while (qemu_isspace(*p))
3081 p++;
3082 } else {
3083 typestr++;
3084 break;
3085 }
3086 }
3087 typestr++;
3088 }
3089 if (get_expr(mon, &val, &p))
3090 goto fail;
3091 /* Check if 'i' is greater than 32-bit */
3092 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3093 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3094 monitor_printf(mon, "integer is for 32-bit values\n");
3095 goto fail;
3096 }
3097 qdict_put(qdict, key, qint_from_int(val));
3098 }
3099 break;
3100 case '-':
3101 {
3102 int has_option;
3103 /* option */
3104
3105 c = *typestr++;
3106 if (c == '\0')
3107 goto bad_type;
3108 while (qemu_isspace(*p))
3109 p++;
3110 has_option = 0;
3111 if (*p == '-') {
3112 p++;
3113 if (*p != c) {
3114 monitor_printf(mon, "%s: unsupported option -%c\n",
3115 cmdname, *p);
3116 goto fail;
3117 }
3118 p++;
3119 has_option = 1;
3120 }
3121 qdict_put(qdict, key, qint_from_int(has_option));
3122 }
3123 break;
3124 default:
3125 bad_type:
3126 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3127 goto fail;
3128 }
3129 qemu_free(key);
3130 key = NULL;
3131 }
3132 /* check that all arguments were parsed */
3133 while (qemu_isspace(*p))
3134 p++;
3135 if (*p != '\0') {
3136 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3137 cmdname);
3138 goto fail;
3139 }
3140
3141 return cmd;
3142
3143 fail:
3144 qemu_free(key);
3145 return NULL;
3146 }
3147
3148 static void monitor_handle_command(Monitor *mon, const char *cmdline)
3149 {
3150 QDict *qdict;
3151 const mon_cmd_t *cmd;
3152
3153 qdict = qdict_new();
3154
3155 cmd = monitor_parse_command(mon, cmdline, qdict);
3156 if (!cmd)
3157 goto out;
3158
3159 qemu_errors_to_mon(mon);
3160
3161 if (monitor_handler_ported(cmd)) {
3162 QObject *data = NULL;
3163
3164 cmd->mhandler.cmd_new(mon, qdict, &data);
3165 if (data)
3166 cmd->user_print(mon, data);
3167
3168 qobject_decref(data);
3169 } else {
3170 cmd->mhandler.cmd(mon, qdict);
3171 }
3172
3173 qemu_errors_to_previous();
3174
3175 out:
3176 QDECREF(qdict);
3177 }
3178
3179 static void cmd_completion(const char *name, const char *list)
3180 {
3181 const char *p, *pstart;
3182 char cmd[128];
3183 int len;
3184
3185 p = list;
3186 for(;;) {
3187 pstart = p;
3188 p = strchr(p, '|');
3189 if (!p)
3190 p = pstart + strlen(pstart);
3191 len = p - pstart;
3192 if (len > sizeof(cmd) - 2)
3193 len = sizeof(cmd) - 2;
3194 memcpy(cmd, pstart, len);
3195 cmd[len] = '\0';
3196 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3197 readline_add_completion(cur_mon->rs, cmd);
3198 }
3199 if (*p == '\0')
3200 break;
3201 p++;
3202 }
3203 }
3204
3205 static void file_completion(const char *input)
3206 {
3207 DIR *ffs;
3208 struct dirent *d;
3209 char path[1024];
3210 char file[1024], file_prefix[1024];
3211 int input_path_len;
3212 const char *p;
3213
3214 p = strrchr(input, '/');
3215 if (!p) {
3216 input_path_len = 0;
3217 pstrcpy(file_prefix, sizeof(file_prefix), input);
3218 pstrcpy(path, sizeof(path), ".");
3219 } else {
3220 input_path_len = p - input + 1;
3221 memcpy(path, input, input_path_len);
3222 if (input_path_len > sizeof(path) - 1)
3223 input_path_len = sizeof(path) - 1;
3224 path[input_path_len] = '\0';
3225 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3226 }
3227 #ifdef DEBUG_COMPLETION
3228 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3229 input, path, file_prefix);
3230 #endif
3231 ffs = opendir(path);
3232 if (!ffs)
3233 return;
3234 for(;;) {
3235 struct stat sb;
3236 d = readdir(ffs);
3237 if (!d)
3238 break;
3239 if (strstart(d->d_name, file_prefix, NULL)) {
3240 memcpy(file, input, input_path_len);
3241 if (input_path_len < sizeof(file))
3242 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3243 d->d_name);
3244 /* stat the file to find out if it's a directory.
3245 * In that case add a slash to speed up typing long paths
3246 */
3247 stat(file, &sb);
3248 if(S_ISDIR(sb.st_mode))
3249 pstrcat(file, sizeof(file), "/");
3250 readline_add_completion(cur_mon->rs, file);
3251 }
3252 }
3253 closedir(ffs);
3254 }
3255
3256 static void block_completion_it(void *opaque, BlockDriverState *bs)
3257 {
3258 const char *name = bdrv_get_device_name(bs);
3259 const char *input = opaque;
3260
3261 if (input[0] == '\0' ||
3262 !strncmp(name, (char *)input, strlen(input))) {
3263 readline_add_completion(cur_mon->rs, name);
3264 }
3265 }
3266
3267 /* NOTE: this parser is an approximate form of the real command parser */
3268 static void parse_cmdline(const char *cmdline,
3269 int *pnb_args, char **args)
3270 {
3271 const char *p;
3272 int nb_args, ret;
3273 char buf[1024];
3274
3275 p = cmdline;
3276 nb_args = 0;
3277 for(;;) {
3278 while (qemu_isspace(*p))
3279 p++;
3280 if (*p == '\0')
3281 break;
3282 if (nb_args >= MAX_ARGS)
3283 break;
3284 ret = get_str(buf, sizeof(buf), &p);
3285 args[nb_args] = qemu_strdup(buf);
3286 nb_args++;
3287 if (ret < 0)
3288 break;
3289 }
3290 *pnb_args = nb_args;
3291 }
3292
3293 static const char *next_arg_type(const char *typestr)
3294 {
3295 const char *p = strchr(typestr, ':');
3296 return (p != NULL ? ++p : typestr);
3297 }
3298
3299 static void monitor_find_completion(const char *cmdline)
3300 {
3301 const char *cmdname;
3302 char *args[MAX_ARGS];
3303 int nb_args, i, len;
3304 const char *ptype, *str;
3305 const mon_cmd_t *cmd;
3306 const KeyDef *key;
3307
3308 parse_cmdline(cmdline, &nb_args, args);
3309 #ifdef DEBUG_COMPLETION
3310 for(i = 0; i < nb_args; i++) {
3311 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3312 }
3313 #endif
3314
3315 /* if the line ends with a space, it means we want to complete the
3316 next arg */
3317 len = strlen(cmdline);
3318 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3319 if (nb_args >= MAX_ARGS)
3320 return;
3321 args[nb_args++] = qemu_strdup("");
3322 }
3323 if (nb_args <= 1) {
3324 /* command completion */
3325 if (nb_args == 0)
3326 cmdname = "";
3327 else
3328 cmdname = args[0];
3329 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3330 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3331 cmd_completion(cmdname, cmd->name);
3332 }
3333 } else {
3334 /* find the command */
3335 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3336 if (compare_cmd(args[0], cmd->name))
3337 goto found;
3338 }
3339 return;
3340 found:
3341 ptype = next_arg_type(cmd->args_type);
3342 for(i = 0; i < nb_args - 2; i++) {
3343 if (*ptype != '\0') {
3344 ptype = next_arg_type(ptype);
3345 while (*ptype == '?')
3346 ptype = next_arg_type(ptype);
3347 }
3348 }
3349 str = args[nb_args - 1];
3350 if (*ptype == '-' && ptype[1] != '\0') {
3351 ptype += 2;
3352 }
3353 switch(*ptype) {
3354 case 'F':
3355 /* file completion */
3356 readline_set_completion_index(cur_mon->rs, strlen(str));
3357 file_completion(str);
3358 break;
3359 case 'B':
3360 /* block device name completion */
3361 readline_set_completion_index(cur_mon->rs, strlen(str));
3362 bdrv_iterate(block_completion_it, (void *)str);
3363 break;
3364 case 's':
3365 /* XXX: more generic ? */
3366 if (!strcmp(cmd->name, "info")) {
3367 readline_set_completion_index(cur_mon->rs, strlen(str));
3368 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3369 cmd_completion(str, cmd->name);
3370 }
3371 } else if (!strcmp(cmd->name, "sendkey")) {
3372 char *sep = strrchr(str, '-');
3373 if (sep)
3374 str = sep + 1;
3375 readline_set_completion_index(cur_mon->rs, strlen(str));
3376 for(key = key_defs; key->name != NULL; key++) {
3377 cmd_completion(str, key->name);
3378 }
3379 } else if (!strcmp(cmd->name, "help|?")) {
3380 readline_set_completion_index(cur_mon->rs, strlen(str));
3381 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3382 cmd_completion(str, cmd->name);
3383 }
3384 }
3385 break;
3386 default:
3387 break;
3388 }
3389 }
3390 for(i = 0; i < nb_args; i++)
3391 qemu_free(args[i]);
3392 }
3393
3394 static int monitor_can_read(void *opaque)
3395 {
3396 Monitor *mon = opaque;
3397
3398 return (mon->suspend_cnt == 0) ? 128 : 0;
3399 }
3400
3401 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3402 {
3403 Monitor *old_mon = cur_mon;
3404 int i;
3405
3406 cur_mon = opaque;
3407
3408 if (cur_mon->rs) {
3409 for (i = 0; i < size; i++)
3410 readline_handle_byte(cur_mon->rs, buf[i]);
3411 } else {
3412 if (size == 0 || buf[size - 1] != 0)
3413 monitor_printf(cur_mon, "corrupted command\n");
3414 else
3415 monitor_handle_command(cur_mon, (char *)buf);
3416 }
3417
3418 cur_mon = old_mon;
3419 }
3420
3421 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3422 {
3423 monitor_suspend(mon);
3424 monitor_handle_command(mon, cmdline);
3425 monitor_resume(mon);
3426 }
3427
3428 int monitor_suspend(Monitor *mon)
3429 {
3430 if (!mon->rs)
3431 return -ENOTTY;
3432 mon->suspend_cnt++;
3433 return 0;
3434 }
3435
3436 void monitor_resume(Monitor *mon)
3437 {
3438 if (!mon->rs)
3439 return;
3440 if (--mon->suspend_cnt == 0)
3441 readline_show_prompt(mon->rs);
3442 }
3443
3444 static void monitor_event(void *opaque, int event)
3445 {
3446 Monitor *mon = opaque;
3447
3448 switch (event) {
3449 case CHR_EVENT_MUX_IN:
3450 mon->mux_out = 0;
3451 if (mon->reset_seen) {
3452 readline_restart(mon->rs);
3453 monitor_resume(mon);
3454 monitor_flush(mon);
3455 } else {
3456 mon->suspend_cnt = 0;
3457 }
3458 break;
3459
3460 case CHR_EVENT_MUX_OUT:
3461 if (mon->reset_seen) {
3462 if (mon->suspend_cnt == 0) {
3463 monitor_printf(mon, "\n");
3464 }
3465 monitor_flush(mon);
3466 monitor_suspend(mon);
3467 } else {
3468 mon->suspend_cnt++;
3469 }
3470 mon->mux_out = 1;
3471 break;
3472
3473 case CHR_EVENT_OPENED:
3474 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3475 "information\n", QEMU_VERSION);
3476 if (!mon->mux_out) {
3477 readline_show_prompt(mon->rs);
3478 }
3479 mon->reset_seen = 1;
3480 break;
3481 }
3482 }
3483
3484
3485 /*
3486 * Local variables:
3487 * c-indent-level: 4
3488 * c-basic-offset: 4
3489 * tab-width: 8
3490 * End:
3491 */
3492
3493 void monitor_init(CharDriverState *chr, int flags)
3494 {
3495 static int is_first_init = 1;
3496 Monitor *mon;
3497
3498 if (is_first_init) {
3499 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3500 is_first_init = 0;
3501 }
3502
3503 mon = qemu_mallocz(sizeof(*mon));
3504
3505 mon->chr = chr;
3506 mon->flags = flags;
3507 if (flags & MONITOR_USE_READLINE) {
3508 mon->rs = readline_init(mon, monitor_find_completion);
3509 monitor_read_command(mon, 0);
3510 }
3511
3512 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3513 mon);
3514
3515 QLIST_INSERT_HEAD(&mon_list, mon, entry);
3516 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3517 cur_mon = mon;
3518 }
3519
3520 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3521 {
3522 BlockDriverState *bs = opaque;
3523 int ret = 0;
3524
3525 if (bdrv_set_key(bs, password) != 0) {
3526 monitor_printf(mon, "invalid password\n");
3527 ret = -EPERM;
3528 }
3529 if (mon->password_completion_cb)
3530 mon->password_completion_cb(mon->password_opaque, ret);
3531
3532 monitor_read_command(mon, 1);
3533 }
3534
3535 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3536 BlockDriverCompletionFunc *completion_cb,
3537 void *opaque)
3538 {
3539 int err;
3540
3541 if (!bdrv_key_required(bs)) {
3542 if (completion_cb)
3543 completion_cb(opaque, 0);
3544 return;
3545 }
3546
3547 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3548 bdrv_get_encrypted_filename(bs));
3549
3550 mon->password_completion_cb = completion_cb;
3551 mon->password_opaque = opaque;
3552
3553 err = monitor_read_password(mon, bdrv_password_cb, bs);
3554
3555 if (err && completion_cb)
3556 completion_cb(opaque, err);
3557 }
3558
3559 typedef struct QemuErrorSink QemuErrorSink;
3560 struct QemuErrorSink {
3561 enum {
3562 ERR_SINK_FILE,
3563 ERR_SINK_MONITOR,
3564 } dest;
3565 union {
3566 FILE *fp;
3567 Monitor *mon;
3568 };
3569 QemuErrorSink *previous;
3570 };
3571
3572 static QemuErrorSink *qemu_error_sink;
3573
3574 void qemu_errors_to_file(FILE *fp)
3575 {
3576 QemuErrorSink *sink;
3577
3578 sink = qemu_mallocz(sizeof(*sink));
3579 sink->dest = ERR_SINK_FILE;
3580 sink->fp = fp;
3581 sink->previous = qemu_error_sink;
3582 qemu_error_sink = sink;
3583 }
3584
3585 void qemu_errors_to_mon(Monitor *mon)
3586 {
3587 QemuErrorSink *sink;
3588
3589 sink = qemu_mallocz(sizeof(*sink));
3590 sink->dest = ERR_SINK_MONITOR;
3591 sink->mon = mon;
3592 sink->previous = qemu_error_sink;
3593 qemu_error_sink = sink;
3594 }
3595
3596 void qemu_errors_to_previous(void)
3597 {
3598 QemuErrorSink *sink;
3599
3600 assert(qemu_error_sink != NULL);
3601 sink = qemu_error_sink;
3602 qemu_error_sink = sink->previous;
3603 qemu_free(sink);
3604 }
3605
3606 void qemu_error(const char *fmt, ...)
3607 {
3608 va_list args;
3609
3610 assert(qemu_error_sink != NULL);
3611 switch (qemu_error_sink->dest) {
3612 case ERR_SINK_FILE:
3613 va_start(args, fmt);
3614 vfprintf(qemu_error_sink->fp, fmt, args);
3615 va_end(args);
3616 break;
3617 case ERR_SINK_MONITOR:
3618 va_start(args, fmt);
3619 monitor_vprintf(qemu_error_sink->mon, fmt, args);
3620 va_end(args);
3621 break;
3622 }
3623 }
various patches