?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
fix rtc-td-hack on host without high-res timers
[qemu/aliguori-queue.git] / monitor.c
bloba38a103e42488980190aa0cd3d908e6877e35df7
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 "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58 #include "osdep.h"
59
60 //#define DEBUG
61 //#define DEBUG_COMPLETION
62
63 /*
64 * Supported types:
65 *
66 * 'F' filename
67 * 'B' block device name
68 * 's' string (accept optional quote)
69 * 'i' 32 bit integer
70 * 'l' target long (32 or 64 bit)
71 * '/' optional gdb-like print format (like "/10x")
72 *
73 * '?' optional type (for all types, except '/')
74 * '.' other form of optional type (for 'i' and 'l')
75 * '-' optional parameter (eg. '-f')
76 *
77 */
78
79 typedef struct mon_cmd_t {
80 const char *name;
81 const char *args_type;
82 const char *params;
83 const char *help;
84 void (*user_print)(Monitor *mon, const QObject *data);
85 union {
86 void (*info)(Monitor *mon);
87 void (*info_new)(Monitor *mon, QObject **ret_data);
88 void (*cmd)(Monitor *mon, const QDict *qdict);
89 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90 } mhandler;
91 } mon_cmd_t;
92
93 /* file descriptors passed via SCM_RIGHTS */
94 typedef struct mon_fd_t mon_fd_t;
95 struct mon_fd_t {
96 char *name;
97 int fd;
98 QLIST_ENTRY(mon_fd_t) next;
99 };
100
101 typedef struct MonitorControl {
102 QObject *id;
103 int print_enabled;
104 JSONMessageParser parser;
105 } MonitorControl;
106
107 struct Monitor {
108 CharDriverState *chr;
109 int mux_out;
110 int reset_seen;
111 int flags;
112 int suspend_cnt;
113 uint8_t outbuf[1024];
114 int outbuf_index;
115 ReadLineState *rs;
116 MonitorControl *mc;
117 CPUState *mon_cpu;
118 BlockDriverCompletionFunc *password_completion_cb;
119 void *password_opaque;
120 QError *error;
121 QLIST_HEAD(,mon_fd_t) fds;
122 QLIST_ENTRY(Monitor) entry;
123 };
124
125 static QLIST_HEAD(mon_list, Monitor) mon_list;
126
127 static const mon_cmd_t mon_cmds[];
128 static const mon_cmd_t info_cmds[];
129
130 Monitor *cur_mon = NULL;
131
132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
133 void *opaque);
134
135 /* Return true if in control mode, false otherwise */
136 static inline int monitor_ctrl_mode(const Monitor *mon)
137 {
138 return (mon->flags & MONITOR_USE_CONTROL);
139 }
140
141 static void monitor_read_command(Monitor *mon, int show_prompt)
142 {
143 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
144 if (show_prompt)
145 readline_show_prompt(mon->rs);
146 }
147
148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
149 void *opaque)
150 {
151 if (monitor_ctrl_mode(mon)) {
152 qemu_error_new(QERR_MISSING_PARAMETER, "password");
153 return -EINVAL;
154 } else if (mon->rs) {
155 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
156 /* prompt is printed on return from the command handler */
157 return 0;
158 } else {
159 monitor_printf(mon, "terminal does not support password prompting\n");
160 return -ENOTTY;
161 }
162 }
163
164 void monitor_flush(Monitor *mon)
165 {
166 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
167 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
168 mon->outbuf_index = 0;
169 }
170 }
171
172 /* flush at every end of line or if the buffer is full */
173 static void monitor_puts(Monitor *mon, const char *str)
174 {
175 char c;
176
177 if (!mon)
178 return;
179
180 for(;;) {
181 c = *str++;
182 if (c == '\0')
183 break;
184 if (c == '\n')
185 mon->outbuf[mon->outbuf_index++] = '\r';
186 mon->outbuf[mon->outbuf_index++] = c;
187 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
188 || c == '\n')
189 monitor_flush(mon);
190 }
191 }
192
193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
194 {
195 if (mon->mc && !mon->mc->print_enabled) {
196 qemu_error_new(QERR_UNDEFINED_ERROR);
197 } else {
198 char buf[4096];
199 vsnprintf(buf, sizeof(buf), fmt, ap);
200 monitor_puts(mon, buf);
201 }
202 }
203
204 void monitor_printf(Monitor *mon, const char *fmt, ...)
205 {
206 va_list ap;
207 va_start(ap, fmt);
208 monitor_vprintf(mon, fmt, ap);
209 va_end(ap);
210 }
211
212 void monitor_print_filename(Monitor *mon, const char *filename)
213 {
214 int i;
215
216 for (i = 0; filename[i]; i++) {
217 switch (filename[i]) {
218 case ' ':
219 case '"':
220 case '\\':
221 monitor_printf(mon, "\\%c", filename[i]);
222 break;
223 case '\t':
224 monitor_printf(mon, "\\t");
225 break;
226 case '\r':
227 monitor_printf(mon, "\\r");
228 break;
229 case '\n':
230 monitor_printf(mon, "\\n");
231 break;
232 default:
233 monitor_printf(mon, "%c", filename[i]);
234 break;
235 }
236 }
237 }
238
239 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
240 {
241 va_list ap;
242 va_start(ap, fmt);
243 monitor_vprintf((Monitor *)stream, fmt, ap);
244 va_end(ap);
245 return 0;
246 }
247
248 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
249
250 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
251 {
252 return cmd->user_print != NULL;
253 }
254
255 static inline int monitor_has_error(const Monitor *mon)
256 {
257 return mon->error != NULL;
258 }
259
260 static void monitor_print_qobject(Monitor *mon, const QObject *data)
261 {
262 switch (qobject_type(data)) {
263 case QTYPE_QSTRING:
264 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
265 break;
266 case QTYPE_QINT:
267 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
268 break;
269 default:
270 monitor_printf(mon, "ERROR: unsupported type: %d",
271 qobject_type(data));
272 break;
273 }
274
275 monitor_puts(mon, "\n");
276 }
277
278 static void monitor_json_emitter(Monitor *mon, const QObject *data)
279 {
280 QString *json;
281
282 json = qobject_to_json(data);
283 assert(json != NULL);
284
285 mon->mc->print_enabled = 1;
286 monitor_printf(mon, "%s\n", qstring_get_str(json));
287 mon->mc->print_enabled = 0;
288
289 QDECREF(json);
290 }
291
292 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
293 {
294 QDict *qmp;
295
296 qmp = qdict_new();
297
298 if (!monitor_has_error(mon)) {
299 /* success response */
300 if (data) {
301 qobject_incref(data);
302 qdict_put_obj(qmp, "return", data);
303 } else {
304 qdict_put(qmp, "return", qstring_from_str("OK"));
305 }
306 } else {
307 /* error response */
308 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
309 qdict_put(qmp, "error", mon->error->error);
310 QINCREF(mon->error->error);
311 QDECREF(mon->error);
312 mon->error = NULL;
313 }
314
315 if (mon->mc->id) {
316 qdict_put_obj(qmp, "id", mon->mc->id);
317 mon->mc->id = NULL;
318 }
319
320 monitor_json_emitter(mon, QOBJECT(qmp));
321 QDECREF(qmp);
322 }
323
324 static void timestamp_put(QDict *qdict)
325 {
326 int err;
327 QObject *obj;
328 qemu_timeval tv;
329
330 err = qemu_gettimeofday(&tv);
331 if (err < 0)
332 return;
333
334 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
335 "'microseconds': %" PRId64 " }",
336 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
337 assert(obj != NULL);
338
339 qdict_put_obj(qdict, "timestamp", obj);
340 }
341
342 /**
343 * monitor_protocol_event(): Generate a Monitor event
344 *
345 * Event-specific data can be emitted through the (optional) 'data' parameter.
346 */
347 void monitor_protocol_event(MonitorEvent event, QObject *data)
348 {
349 QDict *qmp;
350 const char *event_name;
351 Monitor *mon = cur_mon;
352
353 assert(event < QEVENT_MAX);
354
355 if (!monitor_ctrl_mode(mon))
356 return;
357
358 switch (event) {
359 case QEVENT_DEBUG:
360 event_name = "DEBUG";
361 break;
362 case QEVENT_SHUTDOWN:
363 event_name = "SHUTDOWN";
364 break;
365 case QEVENT_RESET:
366 event_name = "RESET";
367 break;
368 case QEVENT_POWERDOWN:
369 event_name = "POWERDOWN";
370 break;
371 case QEVENT_STOP:
372 event_name = "STOP";
373 break;
374 default:
375 abort();
376 break;
377 }
378
379 qmp = qdict_new();
380 timestamp_put(qmp);
381 qdict_put(qmp, "event", qstring_from_str(event_name));
382 if (data)
383 qdict_put_obj(qmp, "data", data);
384
385 monitor_json_emitter(mon, QOBJECT(qmp));
386 QDECREF(qmp);
387 }
388
389 static int compare_cmd(const char *name, const char *list)
390 {
391 const char *p, *pstart;
392 int len;
393 len = strlen(name);
394 p = list;
395 for(;;) {
396 pstart = p;
397 p = strchr(p, '|');
398 if (!p)
399 p = pstart + strlen(pstart);
400 if ((p - pstart) == len && !memcmp(pstart, name, len))
401 return 1;
402 if (*p == '\0')
403 break;
404 p++;
405 }
406 return 0;
407 }
408
409 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
410 const char *prefix, const char *name)
411 {
412 const mon_cmd_t *cmd;
413
414 for(cmd = cmds; cmd->name != NULL; cmd++) {
415 if (!name || !strcmp(name, cmd->name))
416 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
417 cmd->params, cmd->help);
418 }
419 }
420
421 static void help_cmd(Monitor *mon, const char *name)
422 {
423 if (name && !strcmp(name, "info")) {
424 help_cmd_dump(mon, info_cmds, "info ", NULL);
425 } else {
426 help_cmd_dump(mon, mon_cmds, "", name);
427 if (name && !strcmp(name, "log")) {
428 const CPULogItem *item;
429 monitor_printf(mon, "Log items (comma separated):\n");
430 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
431 for(item = cpu_log_items; item->mask != 0; item++) {
432 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
433 }
434 }
435 }
436 }
437
438 static void do_help_cmd(Monitor *mon, const QDict *qdict)
439 {
440 help_cmd(mon, qdict_get_try_str(qdict, "name"));
441 }
442
443 static void do_commit(Monitor *mon, const QDict *qdict)
444 {
445 int all_devices;
446 DriveInfo *dinfo;
447 const char *device = qdict_get_str(qdict, "device");
448
449 all_devices = !strcmp(device, "all");
450 QTAILQ_FOREACH(dinfo, &drives, next) {
451 if (!all_devices)
452 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
453 continue;
454 bdrv_commit(dinfo->bdrv);
455 }
456 }
457
458 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
459 {
460 const mon_cmd_t *cmd;
461 const char *item = qdict_get_try_str(qdict, "item");
462
463 if (!item) {
464 assert(monitor_ctrl_mode(mon) == 0);
465 goto help;
466 }
467
468 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
469 if (compare_cmd(item, cmd->name))
470 break;
471 }
472
473 if (cmd->name == NULL) {
474 if (monitor_ctrl_mode(mon)) {
475 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
476 return;
477 }
478 goto help;
479 }
480
481 if (monitor_handler_ported(cmd)) {
482 cmd->mhandler.info_new(mon, ret_data);
483
484 if (!monitor_ctrl_mode(mon)) {
485 /*
486 * User Protocol function is called here, Monitor Protocol is
487 * handled by monitor_call_handler()
488 */
489 if (*ret_data)
490 cmd->user_print(mon, *ret_data);
491 }
492 } else {
493 if (monitor_ctrl_mode(mon)) {
494 /* handler not converted yet */
495 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
496 } else {
497 cmd->mhandler.info(mon);
498 }
499 }
500
501 return;
502
503 help:
504 help_cmd(mon, "info");
505 }
506
507 /**
508 * do_info_version(): Show QEMU version
509 */
510 static void do_info_version(Monitor *mon, QObject **ret_data)
511 {
512 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
513 }
514
515 static void do_info_name(Monitor *mon)
516 {
517 if (qemu_name)
518 monitor_printf(mon, "%s\n", qemu_name);
519 }
520
521 /**
522 * do_info_commands(): List QMP available commands
523 *
524 * Return a QList of QStrings.
525 */
526 static void do_info_commands(Monitor *mon, QObject **ret_data)
527 {
528 QList *cmd_list;
529 const mon_cmd_t *cmd;
530
531 cmd_list = qlist_new();
532
533 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
534 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
535 qlist_append(cmd_list, qstring_from_str(cmd->name));
536 }
537 }
538
539 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
540 if (monitor_handler_ported(cmd)) {
541 char buf[128];
542 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
543 qlist_append(cmd_list, qstring_from_str(buf));
544 }
545 }
546
547 *ret_data = QOBJECT(cmd_list);
548 }
549
550 #if defined(TARGET_I386)
551 static void do_info_hpet(Monitor *mon)
552 {
553 monitor_printf(mon, "HPET is %s by QEMU\n",
554 (no_hpet) ? "disabled" : "enabled");
555 }
556 #endif
557
558 static void do_info_uuid(Monitor *mon)
559 {
560 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
561 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
562 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
563 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
564 qemu_uuid[14], qemu_uuid[15]);
565 }
566
567 /* get the current CPU defined by the user */
568 static int mon_set_cpu(int cpu_index)
569 {
570 CPUState *env;
571
572 for(env = first_cpu; env != NULL; env = env->next_cpu) {
573 if (env->cpu_index == cpu_index) {
574 cur_mon->mon_cpu = env;
575 return 0;
576 }
577 }
578 return -1;
579 }
580
581 static CPUState *mon_get_cpu(void)
582 {
583 if (!cur_mon->mon_cpu) {
584 mon_set_cpu(0);
585 }
586 cpu_synchronize_state(cur_mon->mon_cpu);
587 return cur_mon->mon_cpu;
588 }
589
590 static void do_info_registers(Monitor *mon)
591 {
592 CPUState *env;
593 env = mon_get_cpu();
594 if (!env)
595 return;
596 #ifdef TARGET_I386
597 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
598 X86_DUMP_FPU);
599 #else
600 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
601 0);
602 #endif
603 }
604
605 static void print_cpu_iter(QObject *obj, void *opaque)
606 {
607 QDict *cpu;
608 int active = ' ';
609 Monitor *mon = opaque;
610
611 assert(qobject_type(obj) == QTYPE_QDICT);
612 cpu = qobject_to_qdict(obj);
613
614 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
615 active = '*';
616
617 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
618
619 #if defined(TARGET_I386)
620 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
621 (target_ulong) qdict_get_int(cpu, "pc"));
622 #elif defined(TARGET_PPC)
623 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
624 (target_long) qdict_get_int(cpu, "nip"));
625 #elif defined(TARGET_SPARC)
626 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
627 (target_long) qdict_get_int(cpu, "pc"));
628 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
629 (target_long) qdict_get_int(cpu, "npc"));
630 #elif defined(TARGET_MIPS)
631 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
632 (target_long) qdict_get_int(cpu, "PC"));
633 #endif
634
635 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
636 monitor_printf(mon, " (halted)");
637
638 monitor_printf(mon, "\n");
639 }
640
641 static void monitor_print_cpus(Monitor *mon, const QObject *data)
642 {
643 QList *cpu_list;
644
645 assert(qobject_type(data) == QTYPE_QLIST);
646 cpu_list = qobject_to_qlist(data);
647 qlist_iter(cpu_list, print_cpu_iter, mon);
648 }
649
650 /**
651 * do_info_cpus(): Show CPU information
652 *
653 * Return a QList with a QDict for each CPU.
654 *
655 * For example:
656 *
657 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
658 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
659 */
660 static void do_info_cpus(Monitor *mon, QObject **ret_data)
661 {
662 CPUState *env;
663 QList *cpu_list;
664
665 cpu_list = qlist_new();
666
667 /* just to set the default cpu if not already done */
668 mon_get_cpu();
669
670 for(env = first_cpu; env != NULL; env = env->next_cpu) {
671 const char *answer;
672 QDict *cpu = qdict_new();
673
674 cpu_synchronize_state(env);
675
676 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
677 answer = (env == mon->mon_cpu) ? "yes" : "no";
678 qdict_put(cpu, "current", qstring_from_str(answer));
679
680 #if defined(TARGET_I386)
681 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
682 #elif defined(TARGET_PPC)
683 qdict_put(cpu, "nip", qint_from_int(env->nip));
684 #elif defined(TARGET_SPARC)
685 qdict_put(cpu, "pc", qint_from_int(env->pc));
686 qdict_put(cpu, "npc", qint_from_int(env->npc));
687 #elif defined(TARGET_MIPS)
688 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
689 #endif
690 answer = env->halted ? "yes" : "no";
691 qdict_put(cpu, "halted", qstring_from_str(answer));
692
693 qlist_append(cpu_list, cpu);
694 }
695
696 *ret_data = QOBJECT(cpu_list);
697 }
698
699 static void do_cpu_set(Monitor *mon, const QDict *qdict)
700 {
701 int index = qdict_get_int(qdict, "index");
702 if (mon_set_cpu(index) < 0)
703 monitor_printf(mon, "Invalid CPU index\n");
704 }
705
706 static void do_info_jit(Monitor *mon)
707 {
708 dump_exec_info((FILE *)mon, monitor_fprintf);
709 }
710
711 static void do_info_history(Monitor *mon)
712 {
713 int i;
714 const char *str;
715
716 if (!mon->rs)
717 return;
718 i = 0;
719 for(;;) {
720 str = readline_get_history(mon->rs, i);
721 if (!str)
722 break;
723 monitor_printf(mon, "%d: '%s'\n", i, str);
724 i++;
725 }
726 }
727
728 #if defined(TARGET_PPC)
729 /* XXX: not implemented in other targets */
730 static void do_info_cpu_stats(Monitor *mon)
731 {
732 CPUState *env;
733
734 env = mon_get_cpu();
735 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
736 }
737 #endif
738
739 /**
740 * do_quit(): Quit QEMU execution
741 */
742 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
743 {
744 exit(0);
745 }
746
747 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
748 {
749 if (bdrv_is_inserted(bs)) {
750 if (!force) {
751 if (!bdrv_is_removable(bs)) {
752 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
753 bdrv_get_device_name(bs));
754 return -1;
755 }
756 if (bdrv_is_locked(bs)) {
757 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
758 return -1;
759 }
760 }
761 bdrv_close(bs);
762 }
763 return 0;
764 }
765
766 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
767 {
768 BlockDriverState *bs;
769 int force = qdict_get_int(qdict, "force");
770 const char *filename = qdict_get_str(qdict, "filename");
771
772 bs = bdrv_find(filename);
773 if (!bs) {
774 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
775 return;
776 }
777 eject_device(mon, bs, force);
778 }
779
780 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
781 QObject **ret_data)
782 {
783 BlockDriverState *bs;
784
785 bs = bdrv_find(qdict_get_str(qdict, "device"));
786 if (!bs) {
787 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
788 return;
789 }
790
791 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
792 qemu_error_new(QERR_INVALID_PASSWORD);
793 }
794 }
795
796 static void do_change_block(Monitor *mon, const char *device,
797 const char *filename, const char *fmt)
798 {
799 BlockDriverState *bs;
800 BlockDriver *drv = NULL;
801
802 bs = bdrv_find(device);
803 if (!bs) {
804 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
805 return;
806 }
807 if (fmt) {
808 drv = bdrv_find_whitelisted_format(fmt);
809 if (!drv) {
810 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
811 return;
812 }
813 }
814 if (eject_device(mon, bs, 0) < 0)
815 return;
816 bdrv_open2(bs, filename, 0, drv);
817 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
818 }
819
820 static void change_vnc_password(const char *password)
821 {
822 if (vnc_display_password(NULL, password) < 0)
823 qemu_error_new(QERR_SET_PASSWD_FAILED);
824
825 }
826
827 static void change_vnc_password_cb(Monitor *mon, const char *password,
828 void *opaque)
829 {
830 change_vnc_password(password);
831 monitor_read_command(mon, 1);
832 }
833
834 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
835 {
836 if (strcmp(target, "passwd") == 0 ||
837 strcmp(target, "password") == 0) {
838 if (arg) {
839 char password[9];
840 strncpy(password, arg, sizeof(password));
841 password[sizeof(password) - 1] = '\0';
842 change_vnc_password(password);
843 } else {
844 monitor_read_password(mon, change_vnc_password_cb, NULL);
845 }
846 } else {
847 if (vnc_display_open(NULL, target) < 0)
848 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
849 }
850 }
851
852 /**
853 * do_change(): Change a removable medium, or VNC configuration
854 */
855 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
856 {
857 const char *device = qdict_get_str(qdict, "device");
858 const char *target = qdict_get_str(qdict, "target");
859 const char *arg = qdict_get_try_str(qdict, "arg");
860 if (strcmp(device, "vnc") == 0) {
861 do_change_vnc(mon, target, arg);
862 } else {
863 do_change_block(mon, device, target, arg);
864 }
865 }
866
867 static void do_screen_dump(Monitor *mon, const QDict *qdict)
868 {
869 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
870 }
871
872 static void do_logfile(Monitor *mon, const QDict *qdict)
873 {
874 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
875 }
876
877 static void do_log(Monitor *mon, const QDict *qdict)
878 {
879 int mask;
880 const char *items = qdict_get_str(qdict, "items");
881
882 if (!strcmp(items, "none")) {
883 mask = 0;
884 } else {
885 mask = cpu_str_to_log_mask(items);
886 if (!mask) {
887 help_cmd(mon, "log");
888 return;
889 }
890 }
891 cpu_set_log(mask);
892 }
893
894 static void do_singlestep(Monitor *mon, const QDict *qdict)
895 {
896 const char *option = qdict_get_try_str(qdict, "option");
897 if (!option || !strcmp(option, "on")) {
898 singlestep = 1;
899 } else if (!strcmp(option, "off")) {
900 singlestep = 0;
901 } else {
902 monitor_printf(mon, "unexpected option %s\n", option);
903 }
904 }
905
906 /**
907 * do_stop(): Stop VM execution
908 */
909 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
910 {
911 vm_stop(EXCP_INTERRUPT);
912 }
913
914 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
915
916 struct bdrv_iterate_context {
917 Monitor *mon;
918 int err;
919 };
920
921 /**
922 * do_cont(): Resume emulation.
923 */
924 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
925 {
926 struct bdrv_iterate_context context = { mon, 0 };
927
928 bdrv_iterate(encrypted_bdrv_it, &context);
929 /* only resume the vm if all keys are set and valid */
930 if (!context.err)
931 vm_start();
932 }
933
934 static void bdrv_key_cb(void *opaque, int err)
935 {
936 Monitor *mon = opaque;
937
938 /* another key was set successfully, retry to continue */
939 if (!err)
940 do_cont(mon, NULL, NULL);
941 }
942
943 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
944 {
945 struct bdrv_iterate_context *context = opaque;
946
947 if (!context->err && bdrv_key_required(bs)) {
948 context->err = -EBUSY;
949 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
950 context->mon);
951 }
952 }
953
954 static void do_gdbserver(Monitor *mon, const QDict *qdict)
955 {
956 const char *device = qdict_get_try_str(qdict, "device");
957 if (!device)
958 device = "tcp::" DEFAULT_GDBSTUB_PORT;
959 if (gdbserver_start(device) < 0) {
960 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
961 device);
962 } else if (strcmp(device, "none") == 0) {
963 monitor_printf(mon, "Disabled gdbserver\n");
964 } else {
965 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
966 device);
967 }
968 }
969
970 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
971 {
972 const char *action = qdict_get_str(qdict, "action");
973 if (select_watchdog_action(action) == -1) {
974 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
975 }
976 }
977
978 static void monitor_printc(Monitor *mon, int c)
979 {
980 monitor_printf(mon, "'");
981 switch(c) {
982 case '\'':
983 monitor_printf(mon, "\\'");
984 break;
985 case '\\':
986 monitor_printf(mon, "\\\\");
987 break;
988 case '\n':
989 monitor_printf(mon, "\\n");
990 break;
991 case '\r':
992 monitor_printf(mon, "\\r");
993 break;
994 default:
995 if (c >= 32 && c <= 126) {
996 monitor_printf(mon, "%c", c);
997 } else {
998 monitor_printf(mon, "\\x%02x", c);
999 }
1000 break;
1001 }
1002 monitor_printf(mon, "'");
1003 }
1004
1005 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1006 target_phys_addr_t addr, int is_physical)
1007 {
1008 CPUState *env;
1009 int nb_per_line, l, line_size, i, max_digits, len;
1010 uint8_t buf[16];
1011 uint64_t v;
1012
1013 if (format == 'i') {
1014 int flags;
1015 flags = 0;
1016 env = mon_get_cpu();
1017 if (!env && !is_physical)
1018 return;
1019 #ifdef TARGET_I386
1020 if (wsize == 2) {
1021 flags = 1;
1022 } else if (wsize == 4) {
1023 flags = 0;
1024 } else {
1025 /* as default we use the current CS size */
1026 flags = 0;
1027 if (env) {
1028 #ifdef TARGET_X86_64
1029 if ((env->efer & MSR_EFER_LMA) &&
1030 (env->segs[R_CS].flags & DESC_L_MASK))
1031 flags = 2;
1032 else
1033 #endif
1034 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1035 flags = 1;
1036 }
1037 }
1038 #endif
1039 monitor_disas(mon, env, addr, count, is_physical, flags);
1040 return;
1041 }
1042
1043 len = wsize * count;
1044 if (wsize == 1)
1045 line_size = 8;
1046 else
1047 line_size = 16;
1048 nb_per_line = line_size / wsize;
1049 max_digits = 0;
1050
1051 switch(format) {
1052 case 'o':
1053 max_digits = (wsize * 8 + 2) / 3;
1054 break;
1055 default:
1056 case 'x':
1057 max_digits = (wsize * 8) / 4;
1058 break;
1059 case 'u':
1060 case 'd':
1061 max_digits = (wsize * 8 * 10 + 32) / 33;
1062 break;
1063 case 'c':
1064 wsize = 1;
1065 break;
1066 }
1067
1068 while (len > 0) {
1069 if (is_physical)
1070 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1071 else
1072 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1073 l = len;
1074 if (l > line_size)
1075 l = line_size;
1076 if (is_physical) {
1077 cpu_physical_memory_rw(addr, buf, l, 0);
1078 } else {
1079 env = mon_get_cpu();
1080 if (!env)
1081 break;
1082 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1083 monitor_printf(mon, " Cannot access memory\n");
1084 break;
1085 }
1086 }
1087 i = 0;
1088 while (i < l) {
1089 switch(wsize) {
1090 default:
1091 case 1:
1092 v = ldub_raw(buf + i);
1093 break;
1094 case 2:
1095 v = lduw_raw(buf + i);
1096 break;
1097 case 4:
1098 v = (uint32_t)ldl_raw(buf + i);
1099 break;
1100 case 8:
1101 v = ldq_raw(buf + i);
1102 break;
1103 }
1104 monitor_printf(mon, " ");
1105 switch(format) {
1106 case 'o':
1107 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1108 break;
1109 case 'x':
1110 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1111 break;
1112 case 'u':
1113 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1114 break;
1115 case 'd':
1116 monitor_printf(mon, "%*" PRId64, max_digits, v);
1117 break;
1118 case 'c':
1119 monitor_printc(mon, v);
1120 break;
1121 }
1122 i += wsize;
1123 }
1124 monitor_printf(mon, "\n");
1125 addr += l;
1126 len -= l;
1127 }
1128 }
1129
1130 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1131 {
1132 int count = qdict_get_int(qdict, "count");
1133 int format = qdict_get_int(qdict, "format");
1134 int size = qdict_get_int(qdict, "size");
1135 target_long addr = qdict_get_int(qdict, "addr");
1136
1137 memory_dump(mon, count, format, size, addr, 0);
1138 }
1139
1140 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1141 {
1142 int count = qdict_get_int(qdict, "count");
1143 int format = qdict_get_int(qdict, "format");
1144 int size = qdict_get_int(qdict, "size");
1145 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1146
1147 memory_dump(mon, count, format, size, addr, 1);
1148 }
1149
1150 static void do_print(Monitor *mon, const QDict *qdict)
1151 {
1152 int format = qdict_get_int(qdict, "format");
1153 target_phys_addr_t val = qdict_get_int(qdict, "val");
1154
1155 #if TARGET_PHYS_ADDR_BITS == 32
1156 switch(format) {
1157 case 'o':
1158 monitor_printf(mon, "%#o", val);
1159 break;
1160 case 'x':
1161 monitor_printf(mon, "%#x", val);
1162 break;
1163 case 'u':
1164 monitor_printf(mon, "%u", val);
1165 break;
1166 default:
1167 case 'd':
1168 monitor_printf(mon, "%d", val);
1169 break;
1170 case 'c':
1171 monitor_printc(mon, val);
1172 break;
1173 }
1174 #else
1175 switch(format) {
1176 case 'o':
1177 monitor_printf(mon, "%#" PRIo64, val);
1178 break;
1179 case 'x':
1180 monitor_printf(mon, "%#" PRIx64, val);
1181 break;
1182 case 'u':
1183 monitor_printf(mon, "%" PRIu64, val);
1184 break;
1185 default:
1186 case 'd':
1187 monitor_printf(mon, "%" PRId64, val);
1188 break;
1189 case 'c':
1190 monitor_printc(mon, val);
1191 break;
1192 }
1193 #endif
1194 monitor_printf(mon, "\n");
1195 }
1196
1197 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1198 {
1199 FILE *f;
1200 uint32_t size = qdict_get_int(qdict, "size");
1201 const char *filename = qdict_get_str(qdict, "filename");
1202 target_long addr = qdict_get_int(qdict, "val");
1203 uint32_t l;
1204 CPUState *env;
1205 uint8_t buf[1024];
1206
1207 env = mon_get_cpu();
1208 if (!env)
1209 return;
1210
1211 f = fopen(filename, "wb");
1212 if (!f) {
1213 monitor_printf(mon, "could not open '%s'\n", filename);
1214 return;
1215 }
1216 while (size != 0) {
1217 l = sizeof(buf);
1218 if (l > size)
1219 l = size;
1220 cpu_memory_rw_debug(env, addr, buf, l, 0);
1221 fwrite(buf, 1, l, f);
1222 addr += l;
1223 size -= l;
1224 }
1225 fclose(f);
1226 }
1227
1228 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1229 QObject **ret_data)
1230 {
1231 FILE *f;
1232 uint32_t l;
1233 uint8_t buf[1024];
1234 uint32_t size = qdict_get_int(qdict, "size");
1235 const char *filename = qdict_get_str(qdict, "filename");
1236 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1237
1238 f = fopen(filename, "wb");
1239 if (!f) {
1240 monitor_printf(mon, "could not open '%s'\n", filename);
1241 return;
1242 }
1243 while (size != 0) {
1244 l = sizeof(buf);
1245 if (l > size)
1246 l = size;
1247 cpu_physical_memory_rw(addr, buf, l, 0);
1248 fwrite(buf, 1, l, f);
1249 fflush(f);
1250 addr += l;
1251 size -= l;
1252 }
1253 fclose(f);
1254 }
1255
1256 static void do_sum(Monitor *mon, const QDict *qdict)
1257 {
1258 uint32_t addr;
1259 uint8_t buf[1];
1260 uint16_t sum;
1261 uint32_t start = qdict_get_int(qdict, "start");
1262 uint32_t size = qdict_get_int(qdict, "size");
1263
1264 sum = 0;
1265 for(addr = start; addr < (start + size); addr++) {
1266 cpu_physical_memory_rw(addr, buf, 1, 0);
1267 /* BSD sum algorithm ('sum' Unix command) */
1268 sum = (sum >> 1) | (sum << 15);
1269 sum += buf[0];
1270 }
1271 monitor_printf(mon, "%05d\n", sum);
1272 }
1273
1274 typedef struct {
1275 int keycode;
1276 const char *name;
1277 } KeyDef;
1278
1279 static const KeyDef key_defs[] = {
1280 { 0x2a, "shift" },
1281 { 0x36, "shift_r" },
1282
1283 { 0x38, "alt" },
1284 { 0xb8, "alt_r" },
1285 { 0x64, "altgr" },
1286 { 0xe4, "altgr_r" },
1287 { 0x1d, "ctrl" },
1288 { 0x9d, "ctrl_r" },
1289
1290 { 0xdd, "menu" },
1291
1292 { 0x01, "esc" },
1293
1294 { 0x02, "1" },
1295 { 0x03, "2" },
1296 { 0x04, "3" },
1297 { 0x05, "4" },
1298 { 0x06, "5" },
1299 { 0x07, "6" },
1300 { 0x08, "7" },
1301 { 0x09, "8" },
1302 { 0x0a, "9" },
1303 { 0x0b, "0" },
1304 { 0x0c, "minus" },
1305 { 0x0d, "equal" },
1306 { 0x0e, "backspace" },
1307
1308 { 0x0f, "tab" },
1309 { 0x10, "q" },
1310 { 0x11, "w" },
1311 { 0x12, "e" },
1312 { 0x13, "r" },
1313 { 0x14, "t" },
1314 { 0x15, "y" },
1315 { 0x16, "u" },
1316 { 0x17, "i" },
1317 { 0x18, "o" },
1318 { 0x19, "p" },
1319
1320 { 0x1c, "ret" },
1321
1322 { 0x1e, "a" },
1323 { 0x1f, "s" },
1324 { 0x20, "d" },
1325 { 0x21, "f" },
1326 { 0x22, "g" },
1327 { 0x23, "h" },
1328 { 0x24, "j" },
1329 { 0x25, "k" },
1330 { 0x26, "l" },
1331
1332 { 0x2c, "z" },
1333 { 0x2d, "x" },
1334 { 0x2e, "c" },
1335 { 0x2f, "v" },
1336 { 0x30, "b" },
1337 { 0x31, "n" },
1338 { 0x32, "m" },
1339 { 0x33, "comma" },
1340 { 0x34, "dot" },
1341 { 0x35, "slash" },
1342
1343 { 0x37, "asterisk" },
1344
1345 { 0x39, "spc" },
1346 { 0x3a, "caps_lock" },
1347 { 0x3b, "f1" },
1348 { 0x3c, "f2" },
1349 { 0x3d, "f3" },
1350 { 0x3e, "f4" },
1351 { 0x3f, "f5" },
1352 { 0x40, "f6" },
1353 { 0x41, "f7" },
1354 { 0x42, "f8" },
1355 { 0x43, "f9" },
1356 { 0x44, "f10" },
1357 { 0x45, "num_lock" },
1358 { 0x46, "scroll_lock" },
1359
1360 { 0xb5, "kp_divide" },
1361 { 0x37, "kp_multiply" },
1362 { 0x4a, "kp_subtract" },
1363 { 0x4e, "kp_add" },
1364 { 0x9c, "kp_enter" },
1365 { 0x53, "kp_decimal" },
1366 { 0x54, "sysrq" },
1367
1368 { 0x52, "kp_0" },
1369 { 0x4f, "kp_1" },
1370 { 0x50, "kp_2" },
1371 { 0x51, "kp_3" },
1372 { 0x4b, "kp_4" },
1373 { 0x4c, "kp_5" },
1374 { 0x4d, "kp_6" },
1375 { 0x47, "kp_7" },
1376 { 0x48, "kp_8" },
1377 { 0x49, "kp_9" },
1378
1379 { 0x56, "<" },
1380
1381 { 0x57, "f11" },
1382 { 0x58, "f12" },
1383
1384 { 0xb7, "print" },
1385
1386 { 0xc7, "home" },
1387 { 0xc9, "pgup" },
1388 { 0xd1, "pgdn" },
1389 { 0xcf, "end" },
1390
1391 { 0xcb, "left" },
1392 { 0xc8, "up" },
1393 { 0xd0, "down" },
1394 { 0xcd, "right" },
1395
1396 { 0xd2, "insert" },
1397 { 0xd3, "delete" },
1398 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1399 { 0xf0, "stop" },
1400 { 0xf1, "again" },
1401 { 0xf2, "props" },
1402 { 0xf3, "undo" },
1403 { 0xf4, "front" },
1404 { 0xf5, "copy" },
1405 { 0xf6, "open" },
1406 { 0xf7, "paste" },
1407 { 0xf8, "find" },
1408 { 0xf9, "cut" },
1409 { 0xfa, "lf" },
1410 { 0xfb, "help" },
1411 { 0xfc, "meta_l" },
1412 { 0xfd, "meta_r" },
1413 { 0xfe, "compose" },
1414 #endif
1415 { 0, NULL },
1416 };
1417
1418 static int get_keycode(const char *key)
1419 {
1420 const KeyDef *p;
1421 char *endp;
1422 int ret;
1423
1424 for(p = key_defs; p->name != NULL; p++) {
1425 if (!strcmp(key, p->name))
1426 return p->keycode;
1427 }
1428 if (strstart(key, "0x", NULL)) {
1429 ret = strtoul(key, &endp, 0);
1430 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1431 return ret;
1432 }
1433 return -1;
1434 }
1435
1436 #define MAX_KEYCODES 16
1437 static uint8_t keycodes[MAX_KEYCODES];
1438 static int nb_pending_keycodes;
1439 static QEMUTimer *key_timer;
1440
1441 static void release_keys(void *opaque)
1442 {
1443 int keycode;
1444
1445 while (nb_pending_keycodes > 0) {
1446 nb_pending_keycodes--;
1447 keycode = keycodes[nb_pending_keycodes];
1448 if (keycode & 0x80)
1449 kbd_put_keycode(0xe0);
1450 kbd_put_keycode(keycode | 0x80);
1451 }
1452 }
1453
1454 static void do_sendkey(Monitor *mon, const QDict *qdict)
1455 {
1456 char keyname_buf[16];
1457 char *separator;
1458 int keyname_len, keycode, i;
1459 const char *string = qdict_get_str(qdict, "string");
1460 int has_hold_time = qdict_haskey(qdict, "hold_time");
1461 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1462
1463 if (nb_pending_keycodes > 0) {
1464 qemu_del_timer(key_timer);
1465 release_keys(NULL);
1466 }
1467 if (!has_hold_time)
1468 hold_time = 100;
1469 i = 0;
1470 while (1) {
1471 separator = strchr(string, '-');
1472 keyname_len = separator ? separator - string : strlen(string);
1473 if (keyname_len > 0) {
1474 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1475 if (keyname_len > sizeof(keyname_buf) - 1) {
1476 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1477 return;
1478 }
1479 if (i == MAX_KEYCODES) {
1480 monitor_printf(mon, "too many keys\n");
1481 return;
1482 }
1483 keyname_buf[keyname_len] = 0;
1484 keycode = get_keycode(keyname_buf);
1485 if (keycode < 0) {
1486 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1487 return;
1488 }
1489 keycodes[i++] = keycode;
1490 }
1491 if (!separator)
1492 break;
1493 string = separator + 1;
1494 }
1495 nb_pending_keycodes = i;
1496 /* key down events */
1497 for (i = 0; i < nb_pending_keycodes; i++) {
1498 keycode = keycodes[i];
1499 if (keycode & 0x80)
1500 kbd_put_keycode(0xe0);
1501 kbd_put_keycode(keycode & 0x7f);
1502 }
1503 /* delayed key up events */
1504 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1505 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1506 }
1507
1508 static int mouse_button_state;
1509
1510 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1511 {
1512 int dx, dy, dz;
1513 const char *dx_str = qdict_get_str(qdict, "dx_str");
1514 const char *dy_str = qdict_get_str(qdict, "dy_str");
1515 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1516 dx = strtol(dx_str, NULL, 0);
1517 dy = strtol(dy_str, NULL, 0);
1518 dz = 0;
1519 if (dz_str)
1520 dz = strtol(dz_str, NULL, 0);
1521 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1522 }
1523
1524 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1525 {
1526 int button_state = qdict_get_int(qdict, "button_state");
1527 mouse_button_state = button_state;
1528 kbd_mouse_event(0, 0, 0, mouse_button_state);
1529 }
1530
1531 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1532 {
1533 int size = qdict_get_int(qdict, "size");
1534 int addr = qdict_get_int(qdict, "addr");
1535 int has_index = qdict_haskey(qdict, "index");
1536 uint32_t val;
1537 int suffix;
1538
1539 if (has_index) {
1540 int index = qdict_get_int(qdict, "index");
1541 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1542 addr++;
1543 }
1544 addr &= 0xffff;
1545
1546 switch(size) {
1547 default:
1548 case 1:
1549 val = cpu_inb(addr);
1550 suffix = 'b';
1551 break;
1552 case 2:
1553 val = cpu_inw(addr);
1554 suffix = 'w';
1555 break;
1556 case 4:
1557 val = cpu_inl(addr);
1558 suffix = 'l';
1559 break;
1560 }
1561 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1562 suffix, addr, size * 2, val);
1563 }
1564
1565 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1566 {
1567 int size = qdict_get_int(qdict, "size");
1568 int addr = qdict_get_int(qdict, "addr");
1569 int val = qdict_get_int(qdict, "val");
1570
1571 addr &= IOPORTS_MASK;
1572
1573 switch (size) {
1574 default:
1575 case 1:
1576 cpu_outb(addr, val);
1577 break;
1578 case 2:
1579 cpu_outw(addr, val);
1580 break;
1581 case 4:
1582 cpu_outl(addr, val);
1583 break;
1584 }
1585 }
1586
1587 static void do_boot_set(Monitor *mon, const QDict *qdict)
1588 {
1589 int res;
1590 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1591
1592 res = qemu_boot_set(bootdevice);
1593 if (res == 0) {
1594 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1595 } else if (res > 0) {
1596 monitor_printf(mon, "setting boot device list failed\n");
1597 } else {
1598 monitor_printf(mon, "no function defined to set boot device list for "
1599 "this architecture\n");
1600 }
1601 }
1602
1603 /**
1604 * do_system_reset(): Issue a machine reset
1605 */
1606 static void do_system_reset(Monitor *mon, const QDict *qdict,
1607 QObject **ret_data)
1608 {
1609 qemu_system_reset_request();
1610 }
1611
1612 /**
1613 * do_system_powerdown(): Issue a machine powerdown
1614 */
1615 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1616 QObject **ret_data)
1617 {
1618 qemu_system_powerdown_request();
1619 }
1620
1621 #if defined(TARGET_I386)
1622 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1623 {
1624 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1625 addr,
1626 pte & mask,
1627 pte & PG_GLOBAL_MASK ? 'G' : '-',
1628 pte & PG_PSE_MASK ? 'P' : '-',
1629 pte & PG_DIRTY_MASK ? 'D' : '-',
1630 pte & PG_ACCESSED_MASK ? 'A' : '-',
1631 pte & PG_PCD_MASK ? 'C' : '-',
1632 pte & PG_PWT_MASK ? 'T' : '-',
1633 pte & PG_USER_MASK ? 'U' : '-',
1634 pte & PG_RW_MASK ? 'W' : '-');
1635 }
1636
1637 static void tlb_info(Monitor *mon)
1638 {
1639 CPUState *env;
1640 int l1, l2;
1641 uint32_t pgd, pde, pte;
1642
1643 env = mon_get_cpu();
1644 if (!env)
1645 return;
1646
1647 if (!(env->cr[0] & CR0_PG_MASK)) {
1648 monitor_printf(mon, "PG disabled\n");
1649 return;
1650 }
1651 pgd = env->cr[3] & ~0xfff;
1652 for(l1 = 0; l1 < 1024; l1++) {
1653 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1654 pde = le32_to_cpu(pde);
1655 if (pde & PG_PRESENT_MASK) {
1656 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1657 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1658 } else {
1659 for(l2 = 0; l2 < 1024; l2++) {
1660 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1661 (uint8_t *)&pte, 4);
1662 pte = le32_to_cpu(pte);
1663 if (pte & PG_PRESENT_MASK) {
1664 print_pte(mon, (l1 << 22) + (l2 << 12),
1665 pte & ~PG_PSE_MASK,
1666 ~0xfff);
1667 }
1668 }
1669 }
1670 }
1671 }
1672 }
1673
1674 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1675 uint32_t end, int prot)
1676 {
1677 int prot1;
1678 prot1 = *plast_prot;
1679 if (prot != prot1) {
1680 if (*pstart != -1) {
1681 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1682 *pstart, end, end - *pstart,
1683 prot1 & PG_USER_MASK ? 'u' : '-',
1684 'r',
1685 prot1 & PG_RW_MASK ? 'w' : '-');
1686 }
1687 if (prot != 0)
1688 *pstart = end;
1689 else
1690 *pstart = -1;
1691 *plast_prot = prot;
1692 }
1693 }
1694
1695 static void mem_info(Monitor *mon)
1696 {
1697 CPUState *env;
1698 int l1, l2, prot, last_prot;
1699 uint32_t pgd, pde, pte, start, end;
1700
1701 env = mon_get_cpu();
1702 if (!env)
1703 return;
1704
1705 if (!(env->cr[0] & CR0_PG_MASK)) {
1706 monitor_printf(mon, "PG disabled\n");
1707 return;
1708 }
1709 pgd = env->cr[3] & ~0xfff;
1710 last_prot = 0;
1711 start = -1;
1712 for(l1 = 0; l1 < 1024; l1++) {
1713 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1714 pde = le32_to_cpu(pde);
1715 end = l1 << 22;
1716 if (pde & PG_PRESENT_MASK) {
1717 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1718 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1719 mem_print(mon, &start, &last_prot, end, prot);
1720 } else {
1721 for(l2 = 0; l2 < 1024; l2++) {
1722 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1723 (uint8_t *)&pte, 4);
1724 pte = le32_to_cpu(pte);
1725 end = (l1 << 22) + (l2 << 12);
1726 if (pte & PG_PRESENT_MASK) {
1727 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1728 } else {
1729 prot = 0;
1730 }
1731 mem_print(mon, &start, &last_prot, end, prot);
1732 }
1733 }
1734 } else {
1735 prot = 0;
1736 mem_print(mon, &start, &last_prot, end, prot);
1737 }
1738 }
1739 }
1740 #endif
1741
1742 #if defined(TARGET_SH4)
1743
1744 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1745 {
1746 monitor_printf(mon, " tlb%i:\t"
1747 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1748 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1749 "dirty=%hhu writethrough=%hhu\n",
1750 idx,
1751 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1752 tlb->v, tlb->sh, tlb->c, tlb->pr,
1753 tlb->d, tlb->wt);
1754 }
1755
1756 static void tlb_info(Monitor *mon)
1757 {
1758 CPUState *env = mon_get_cpu();
1759 int i;
1760
1761 monitor_printf (mon, "ITLB:\n");
1762 for (i = 0 ; i < ITLB_SIZE ; i++)
1763 print_tlb (mon, i, &env->itlb[i]);
1764 monitor_printf (mon, "UTLB:\n");
1765 for (i = 0 ; i < UTLB_SIZE ; i++)
1766 print_tlb (mon, i, &env->utlb[i]);
1767 }
1768
1769 #endif
1770
1771 static void do_info_kvm(Monitor *mon)
1772 {
1773 #ifdef CONFIG_KVM
1774 monitor_printf(mon, "kvm support: ");
1775 if (kvm_enabled())
1776 monitor_printf(mon, "enabled\n");
1777 else
1778 monitor_printf(mon, "disabled\n");
1779 #else
1780 monitor_printf(mon, "kvm support: not compiled\n");
1781 #endif
1782 }
1783
1784 static void do_info_numa(Monitor *mon)
1785 {
1786 int i;
1787 CPUState *env;
1788
1789 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1790 for (i = 0; i < nb_numa_nodes; i++) {
1791 monitor_printf(mon, "node %d cpus:", i);
1792 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1793 if (env->numa_node == i) {
1794 monitor_printf(mon, " %d", env->cpu_index);
1795 }
1796 }
1797 monitor_printf(mon, "\n");
1798 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1799 node_mem[i] >> 20);
1800 }
1801 }
1802
1803 #ifdef CONFIG_PROFILER
1804
1805 int64_t qemu_time;
1806 int64_t dev_time;
1807
1808 static void do_info_profile(Monitor *mon)
1809 {
1810 int64_t total;
1811 total = qemu_time;
1812 if (total == 0)
1813 total = 1;
1814 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1815 dev_time, dev_time / (double)get_ticks_per_sec());
1816 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1817 qemu_time, qemu_time / (double)get_ticks_per_sec());
1818 qemu_time = 0;
1819 dev_time = 0;
1820 }
1821 #else
1822 static void do_info_profile(Monitor *mon)
1823 {
1824 monitor_printf(mon, "Internal profiler not compiled\n");
1825 }
1826 #endif
1827
1828 /* Capture support */
1829 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1830
1831 static void do_info_capture(Monitor *mon)
1832 {
1833 int i;
1834 CaptureState *s;
1835
1836 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1837 monitor_printf(mon, "[%d]: ", i);
1838 s->ops.info (s->opaque);
1839 }
1840 }
1841
1842 #ifdef HAS_AUDIO
1843 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1844 {
1845 int i;
1846 int n = qdict_get_int(qdict, "n");
1847 CaptureState *s;
1848
1849 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1850 if (i == n) {
1851 s->ops.destroy (s->opaque);
1852 QLIST_REMOVE (s, entries);
1853 qemu_free (s);
1854 return;
1855 }
1856 }
1857 }
1858
1859 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1860 {
1861 const char *path = qdict_get_str(qdict, "path");
1862 int has_freq = qdict_haskey(qdict, "freq");
1863 int freq = qdict_get_try_int(qdict, "freq", -1);
1864 int has_bits = qdict_haskey(qdict, "bits");
1865 int bits = qdict_get_try_int(qdict, "bits", -1);
1866 int has_channels = qdict_haskey(qdict, "nchannels");
1867 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1868 CaptureState *s;
1869
1870 s = qemu_mallocz (sizeof (*s));
1871
1872 freq = has_freq ? freq : 44100;
1873 bits = has_bits ? bits : 16;
1874 nchannels = has_channels ? nchannels : 2;
1875
1876 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1877 monitor_printf(mon, "Faied to add wave capture\n");
1878 qemu_free (s);
1879 }
1880 QLIST_INSERT_HEAD (&capture_head, s, entries);
1881 }
1882 #endif
1883
1884 #if defined(TARGET_I386)
1885 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1886 {
1887 CPUState *env;
1888 int cpu_index = qdict_get_int(qdict, "cpu_index");
1889
1890 for (env = first_cpu; env != NULL; env = env->next_cpu)
1891 if (env->cpu_index == cpu_index) {
1892 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1893 break;
1894 }
1895 }
1896 #endif
1897
1898 static void do_info_status(Monitor *mon)
1899 {
1900 if (vm_running) {
1901 if (singlestep) {
1902 monitor_printf(mon, "VM status: running (single step mode)\n");
1903 } else {
1904 monitor_printf(mon, "VM status: running\n");
1905 }
1906 } else
1907 monitor_printf(mon, "VM status: paused\n");
1908 }
1909
1910 /**
1911 * do_balloon(): Request VM to change its memory allocation
1912 */
1913 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1914 {
1915 int value = qdict_get_int(qdict, "value");
1916 ram_addr_t target = value;
1917 qemu_balloon(target << 20);
1918 }
1919
1920 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1921 {
1922 monitor_printf(mon, "balloon: actual=%d\n",
1923 (int)qint_get_int(qobject_to_qint(data)));
1924 }
1925
1926 /**
1927 * do_info_balloon(): Balloon information
1928 */
1929 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1930 {
1931 ram_addr_t actual;
1932
1933 actual = qemu_balloon_status();
1934 if (kvm_enabled() && !kvm_has_sync_mmu())
1935 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1936 else if (actual == 0)
1937 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1938 else
1939 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1940 }
1941
1942 static qemu_acl *find_acl(Monitor *mon, const char *name)
1943 {
1944 qemu_acl *acl = qemu_acl_find(name);
1945
1946 if (!acl) {
1947 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1948 }
1949 return acl;
1950 }
1951
1952 static void do_acl_show(Monitor *mon, const QDict *qdict)
1953 {
1954 const char *aclname = qdict_get_str(qdict, "aclname");
1955 qemu_acl *acl = find_acl(mon, aclname);
1956 qemu_acl_entry *entry;
1957 int i = 0;
1958
1959 if (acl) {
1960 monitor_printf(mon, "policy: %s\n",
1961 acl->defaultDeny ? "deny" : "allow");
1962 QTAILQ_FOREACH(entry, &acl->entries, next) {
1963 i++;
1964 monitor_printf(mon, "%d: %s %s\n", i,
1965 entry->deny ? "deny" : "allow", entry->match);
1966 }
1967 }
1968 }
1969
1970 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1971 {
1972 const char *aclname = qdict_get_str(qdict, "aclname");
1973 qemu_acl *acl = find_acl(mon, aclname);
1974
1975 if (acl) {
1976 qemu_acl_reset(acl);
1977 monitor_printf(mon, "acl: removed all rules\n");
1978 }
1979 }
1980
1981 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1982 {
1983 const char *aclname = qdict_get_str(qdict, "aclname");
1984 const char *policy = qdict_get_str(qdict, "policy");
1985 qemu_acl *acl = find_acl(mon, aclname);
1986
1987 if (acl) {
1988 if (strcmp(policy, "allow") == 0) {
1989 acl->defaultDeny = 0;
1990 monitor_printf(mon, "acl: policy set to 'allow'\n");
1991 } else if (strcmp(policy, "deny") == 0) {
1992 acl->defaultDeny = 1;
1993 monitor_printf(mon, "acl: policy set to 'deny'\n");
1994 } else {
1995 monitor_printf(mon, "acl: unknown policy '%s', "
1996 "expected 'deny' or 'allow'\n", policy);
1997 }
1998 }
1999 }
2000
2001 static void do_acl_add(Monitor *mon, const QDict *qdict)
2002 {
2003 const char *aclname = qdict_get_str(qdict, "aclname");
2004 const char *match = qdict_get_str(qdict, "match");
2005 const char *policy = qdict_get_str(qdict, "policy");
2006 int has_index = qdict_haskey(qdict, "index");
2007 int index = qdict_get_try_int(qdict, "index", -1);
2008 qemu_acl *acl = find_acl(mon, aclname);
2009 int deny, ret;
2010
2011 if (acl) {
2012 if (strcmp(policy, "allow") == 0) {
2013 deny = 0;
2014 } else if (strcmp(policy, "deny") == 0) {
2015 deny = 1;
2016 } else {
2017 monitor_printf(mon, "acl: unknown policy '%s', "
2018 "expected 'deny' or 'allow'\n", policy);
2019 return;
2020 }
2021 if (has_index)
2022 ret = qemu_acl_insert(acl, deny, match, index);
2023 else
2024 ret = qemu_acl_append(acl, deny, match);
2025 if (ret < 0)
2026 monitor_printf(mon, "acl: unable to add acl entry\n");
2027 else
2028 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2029 }
2030 }
2031
2032 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2033 {
2034 const char *aclname = qdict_get_str(qdict, "aclname");
2035 const char *match = qdict_get_str(qdict, "match");
2036 qemu_acl *acl = find_acl(mon, aclname);
2037 int ret;
2038
2039 if (acl) {
2040 ret = qemu_acl_remove(acl, match);
2041 if (ret < 0)
2042 monitor_printf(mon, "acl: no matching acl entry\n");
2043 else
2044 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2045 }
2046 }
2047
2048 #if defined(TARGET_I386)
2049 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2050 {
2051 CPUState *cenv;
2052 int cpu_index = qdict_get_int(qdict, "cpu_index");
2053 int bank = qdict_get_int(qdict, "bank");
2054 uint64_t status = qdict_get_int(qdict, "status");
2055 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2056 uint64_t addr = qdict_get_int(qdict, "addr");
2057 uint64_t misc = qdict_get_int(qdict, "misc");
2058
2059 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2060 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2061 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2062 break;
2063 }
2064 }
2065 #endif
2066
2067 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2068 {
2069 const char *fdname = qdict_get_str(qdict, "fdname");
2070 mon_fd_t *monfd;
2071 int fd;
2072
2073 fd = qemu_chr_get_msgfd(mon->chr);
2074 if (fd == -1) {
2075 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2076 return;
2077 }
2078
2079 if (qemu_isdigit(fdname[0])) {
2080 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2081 return;
2082 }
2083
2084 fd = dup(fd);
2085 if (fd == -1) {
2086 if (errno == EMFILE)
2087 qemu_error_new(QERR_TOO_MANY_FILES);
2088 else
2089 qemu_error_new(QERR_UNDEFINED_ERROR);
2090 return;
2091 }
2092
2093 QLIST_FOREACH(monfd, &mon->fds, next) {
2094 if (strcmp(monfd->name, fdname) != 0) {
2095 continue;
2096 }
2097
2098 close(monfd->fd);
2099 monfd->fd = fd;
2100 return;
2101 }
2102
2103 monfd = qemu_mallocz(sizeof(mon_fd_t));
2104 monfd->name = qemu_strdup(fdname);
2105 monfd->fd = fd;
2106
2107 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2108 }
2109
2110 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2111 {
2112 const char *fdname = qdict_get_str(qdict, "fdname");
2113 mon_fd_t *monfd;
2114
2115 QLIST_FOREACH(monfd, &mon->fds, next) {
2116 if (strcmp(monfd->name, fdname) != 0) {
2117 continue;
2118 }
2119
2120 QLIST_REMOVE(monfd, next);
2121 close(monfd->fd);
2122 qemu_free(monfd->name);
2123 qemu_free(monfd);
2124 return;
2125 }
2126
2127 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2128 }
2129
2130 static void do_loadvm(Monitor *mon, const QDict *qdict)
2131 {
2132 int saved_vm_running = vm_running;
2133 const char *name = qdict_get_str(qdict, "name");
2134
2135 vm_stop(0);
2136
2137 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2138 vm_start();
2139 }
2140
2141 int monitor_get_fd(Monitor *mon, const char *fdname)
2142 {
2143 mon_fd_t *monfd;
2144
2145 QLIST_FOREACH(monfd, &mon->fds, next) {
2146 int fd;
2147
2148 if (strcmp(monfd->name, fdname) != 0) {
2149 continue;
2150 }
2151
2152 fd = monfd->fd;
2153
2154 /* caller takes ownership of fd */
2155 QLIST_REMOVE(monfd, next);
2156 qemu_free(monfd->name);
2157 qemu_free(monfd);
2158
2159 return fd;
2160 }
2161
2162 return -1;
2163 }
2164
2165 static const mon_cmd_t mon_cmds[] = {
2166 #include "qemu-monitor.h"
2167 { NULL, NULL, },
2168 };
2169
2170 /* Please update qemu-monitor.hx when adding or changing commands */
2171 static const mon_cmd_t info_cmds[] = {
2172 {
2173 .name = "version",
2174 .args_type = "",
2175 .params = "",
2176 .help = "show the version of QEMU",
2177 .user_print = monitor_print_qobject,
2178 .mhandler.info_new = do_info_version,
2179 },
2180 {
2181 .name = "commands",
2182 .args_type = "",
2183 .params = "",
2184 .help = "list QMP available commands",
2185 .user_print = monitor_user_noop,
2186 .mhandler.info_new = do_info_commands,
2187 },
2188 {
2189 .name = "network",
2190 .args_type = "",
2191 .params = "",
2192 .help = "show the network state",
2193 .mhandler.info = do_info_network,
2194 },
2195 {
2196 .name = "chardev",
2197 .args_type = "",
2198 .params = "",
2199 .help = "show the character devices",
2200 .mhandler.info = qemu_chr_info,
2201 },
2202 {
2203 .name = "block",
2204 .args_type = "",
2205 .params = "",
2206 .help = "show the block devices",
2207 .mhandler.info = bdrv_info,
2208 },
2209 {
2210 .name = "blockstats",
2211 .args_type = "",
2212 .params = "",
2213 .help = "show block device statistics",
2214 .mhandler.info = bdrv_info_stats,
2215 },
2216 {
2217 .name = "registers",
2218 .args_type = "",
2219 .params = "",
2220 .help = "show the cpu registers",
2221 .mhandler.info = do_info_registers,
2222 },
2223 {
2224 .name = "cpus",
2225 .args_type = "",
2226 .params = "",
2227 .help = "show infos for each CPU",
2228 .user_print = monitor_print_cpus,
2229 .mhandler.info_new = do_info_cpus,
2230 },
2231 {
2232 .name = "history",
2233 .args_type = "",
2234 .params = "",
2235 .help = "show the command line history",
2236 .mhandler.info = do_info_history,
2237 },
2238 {
2239 .name = "irq",
2240 .args_type = "",
2241 .params = "",
2242 .help = "show the interrupts statistics (if available)",
2243 .mhandler.info = irq_info,
2244 },
2245 {
2246 .name = "pic",
2247 .args_type = "",
2248 .params = "",
2249 .help = "show i8259 (PIC) state",
2250 .mhandler.info = pic_info,
2251 },
2252 {
2253 .name = "pci",
2254 .args_type = "",
2255 .params = "",
2256 .help = "show PCI info",
2257 .mhandler.info = pci_info,
2258 },
2259 #if defined(TARGET_I386) || defined(TARGET_SH4)
2260 {
2261 .name = "tlb",
2262 .args_type = "",
2263 .params = "",
2264 .help = "show virtual to physical memory mappings",
2265 .mhandler.info = tlb_info,
2266 },
2267 #endif
2268 #if defined(TARGET_I386)
2269 {
2270 .name = "mem",
2271 .args_type = "",
2272 .params = "",
2273 .help = "show the active virtual memory mappings",
2274 .mhandler.info = mem_info,
2275 },
2276 {
2277 .name = "hpet",
2278 .args_type = "",
2279 .params = "",
2280 .help = "show state of HPET",
2281 .mhandler.info = do_info_hpet,
2282 },
2283 #endif
2284 {
2285 .name = "jit",
2286 .args_type = "",
2287 .params = "",
2288 .help = "show dynamic compiler info",
2289 .mhandler.info = do_info_jit,
2290 },
2291 {
2292 .name = "kvm",
2293 .args_type = "",
2294 .params = "",
2295 .help = "show KVM information",
2296 .mhandler.info = do_info_kvm,
2297 },
2298 {
2299 .name = "numa",
2300 .args_type = "",
2301 .params = "",
2302 .help = "show NUMA information",
2303 .mhandler.info = do_info_numa,
2304 },
2305 {
2306 .name = "usb",
2307 .args_type = "",
2308 .params = "",
2309 .help = "show guest USB devices",
2310 .mhandler.info = usb_info,
2311 },
2312 {
2313 .name = "usbhost",
2314 .args_type = "",
2315 .params = "",
2316 .help = "show host USB devices",
2317 .mhandler.info = usb_host_info,
2318 },
2319 {
2320 .name = "profile",
2321 .args_type = "",
2322 .params = "",
2323 .help = "show profiling information",
2324 .mhandler.info = do_info_profile,
2325 },
2326 {
2327 .name = "capture",
2328 .args_type = "",
2329 .params = "",
2330 .help = "show capture information",
2331 .mhandler.info = do_info_capture,
2332 },
2333 {
2334 .name = "snapshots",
2335 .args_type = "",
2336 .params = "",
2337 .help = "show the currently saved VM snapshots",
2338 .mhandler.info = do_info_snapshots,
2339 },
2340 {
2341 .name = "status",
2342 .args_type = "",
2343 .params = "",
2344 .help = "show the current VM status (running|paused)",
2345 .mhandler.info = do_info_status,
2346 },
2347 {
2348 .name = "pcmcia",
2349 .args_type = "",
2350 .params = "",
2351 .help = "show guest PCMCIA status",
2352 .mhandler.info = pcmcia_info,
2353 },
2354 {
2355 .name = "mice",
2356 .args_type = "",
2357 .params = "",
2358 .help = "show which guest mouse is receiving events",
2359 .mhandler.info = do_info_mice,
2360 },
2361 {
2362 .name = "vnc",
2363 .args_type = "",
2364 .params = "",
2365 .help = "show the vnc server status",
2366 .mhandler.info = do_info_vnc,
2367 },
2368 {
2369 .name = "name",
2370 .args_type = "",
2371 .params = "",
2372 .help = "show the current VM name",
2373 .mhandler.info = do_info_name,
2374 },
2375 {
2376 .name = "uuid",
2377 .args_type = "",
2378 .params = "",
2379 .help = "show the current VM UUID",
2380 .mhandler.info = do_info_uuid,
2381 },
2382 #if defined(TARGET_PPC)
2383 {
2384 .name = "cpustats",
2385 .args_type = "",
2386 .params = "",
2387 .help = "show CPU statistics",
2388 .mhandler.info = do_info_cpu_stats,
2389 },
2390 #endif
2391 #if defined(CONFIG_SLIRP)
2392 {
2393 .name = "usernet",
2394 .args_type = "",
2395 .params = "",
2396 .help = "show user network stack connection states",
2397 .mhandler.info = do_info_usernet,
2398 },
2399 #endif
2400 {
2401 .name = "migrate",
2402 .args_type = "",
2403 .params = "",
2404 .help = "show migration status",
2405 .mhandler.info = do_info_migrate,
2406 },
2407 {
2408 .name = "balloon",
2409 .args_type = "",
2410 .params = "",
2411 .help = "show balloon information",
2412 .user_print = monitor_print_balloon,
2413 .mhandler.info_new = do_info_balloon,
2414 },
2415 {
2416 .name = "qtree",
2417 .args_type = "",
2418 .params = "",
2419 .help = "show device tree",
2420 .mhandler.info = do_info_qtree,
2421 },
2422 {
2423 .name = "qdm",
2424 .args_type = "",
2425 .params = "",
2426 .help = "show qdev device model list",
2427 .mhandler.info = do_info_qdm,
2428 },
2429 {
2430 .name = "roms",
2431 .args_type = "",
2432 .params = "",
2433 .help = "show roms",
2434 .mhandler.info = do_info_roms,
2435 },
2436 {
2437 .name = NULL,
2438 },
2439 };
2440
2441 /*******************************************************************/
2442
2443 static const char *pch;
2444 static jmp_buf expr_env;
2445
2446 #define MD_TLONG 0
2447 #define MD_I32 1
2448
2449 typedef struct MonitorDef {
2450 const char *name;
2451 int offset;
2452 target_long (*get_value)(const struct MonitorDef *md, int val);
2453 int type;
2454 } MonitorDef;
2455
2456 #if defined(TARGET_I386)
2457 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2458 {
2459 CPUState *env = mon_get_cpu();
2460 if (!env)
2461 return 0;
2462 return env->eip + env->segs[R_CS].base;
2463 }
2464 #endif
2465
2466 #if defined(TARGET_PPC)
2467 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2468 {
2469 CPUState *env = mon_get_cpu();
2470 unsigned int u;
2471 int i;
2472
2473 if (!env)
2474 return 0;
2475
2476 u = 0;
2477 for (i = 0; i < 8; i++)
2478 u |= env->crf[i] << (32 - (4 * i));
2479
2480 return u;
2481 }
2482
2483 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2484 {
2485 CPUState *env = mon_get_cpu();
2486 if (!env)
2487 return 0;
2488 return env->msr;
2489 }
2490
2491 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2492 {
2493 CPUState *env = mon_get_cpu();
2494 if (!env)
2495 return 0;
2496 return env->xer;
2497 }
2498
2499 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2500 {
2501 CPUState *env = mon_get_cpu();
2502 if (!env)
2503 return 0;
2504 return cpu_ppc_load_decr(env);
2505 }
2506
2507 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2508 {
2509 CPUState *env = mon_get_cpu();
2510 if (!env)
2511 return 0;
2512 return cpu_ppc_load_tbu(env);
2513 }
2514
2515 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2516 {
2517 CPUState *env = mon_get_cpu();
2518 if (!env)
2519 return 0;
2520 return cpu_ppc_load_tbl(env);
2521 }
2522 #endif
2523
2524 #if defined(TARGET_SPARC)
2525 #ifndef TARGET_SPARC64
2526 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2527 {
2528 CPUState *env = mon_get_cpu();
2529 if (!env)
2530 return 0;
2531 return GET_PSR(env);
2532 }
2533 #endif
2534
2535 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2536 {
2537 CPUState *env = mon_get_cpu();
2538 if (!env)
2539 return 0;
2540 return env->regwptr[val];
2541 }
2542 #endif
2543
2544 static const MonitorDef monitor_defs[] = {
2545 #ifdef TARGET_I386
2546
2547 #define SEG(name, seg) \
2548 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2549 { name ".base", offsetof(CPUState, segs[seg].base) },\
2550 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2551
2552 { "eax", offsetof(CPUState, regs[0]) },
2553 { "ecx", offsetof(CPUState, regs[1]) },
2554 { "edx", offsetof(CPUState, regs[2]) },
2555 { "ebx", offsetof(CPUState, regs[3]) },
2556 { "esp|sp", offsetof(CPUState, regs[4]) },
2557 { "ebp|fp", offsetof(CPUState, regs[5]) },
2558 { "esi", offsetof(CPUState, regs[6]) },
2559 { "edi", offsetof(CPUState, regs[7]) },
2560 #ifdef TARGET_X86_64
2561 { "r8", offsetof(CPUState, regs[8]) },
2562 { "r9", offsetof(CPUState, regs[9]) },
2563 { "r10", offsetof(CPUState, regs[10]) },
2564 { "r11", offsetof(CPUState, regs[11]) },
2565 { "r12", offsetof(CPUState, regs[12]) },
2566 { "r13", offsetof(CPUState, regs[13]) },
2567 { "r14", offsetof(CPUState, regs[14]) },
2568 { "r15", offsetof(CPUState, regs[15]) },
2569 #endif
2570 { "eflags", offsetof(CPUState, eflags) },
2571 { "eip", offsetof(CPUState, eip) },
2572 SEG("cs", R_CS)
2573 SEG("ds", R_DS)
2574 SEG("es", R_ES)
2575 SEG("ss", R_SS)
2576 SEG("fs", R_FS)
2577 SEG("gs", R_GS)
2578 { "pc", 0, monitor_get_pc, },
2579 #elif defined(TARGET_PPC)
2580 /* General purpose registers */
2581 { "r0", offsetof(CPUState, gpr[0]) },
2582 { "r1", offsetof(CPUState, gpr[1]) },
2583 { "r2", offsetof(CPUState, gpr[2]) },
2584 { "r3", offsetof(CPUState, gpr[3]) },
2585 { "r4", offsetof(CPUState, gpr[4]) },
2586 { "r5", offsetof(CPUState, gpr[5]) },
2587 { "r6", offsetof(CPUState, gpr[6]) },
2588 { "r7", offsetof(CPUState, gpr[7]) },
2589 { "r8", offsetof(CPUState, gpr[8]) },
2590 { "r9", offsetof(CPUState, gpr[9]) },
2591 { "r10", offsetof(CPUState, gpr[10]) },
2592 { "r11", offsetof(CPUState, gpr[11]) },
2593 { "r12", offsetof(CPUState, gpr[12]) },
2594 { "r13", offsetof(CPUState, gpr[13]) },
2595 { "r14", offsetof(CPUState, gpr[14]) },
2596 { "r15", offsetof(CPUState, gpr[15]) },
2597 { "r16", offsetof(CPUState, gpr[16]) },
2598 { "r17", offsetof(CPUState, gpr[17]) },
2599 { "r18", offsetof(CPUState, gpr[18]) },
2600 { "r19", offsetof(CPUState, gpr[19]) },
2601 { "r20", offsetof(CPUState, gpr[20]) },
2602 { "r21", offsetof(CPUState, gpr[21]) },
2603 { "r22", offsetof(CPUState, gpr[22]) },
2604 { "r23", offsetof(CPUState, gpr[23]) },
2605 { "r24", offsetof(CPUState, gpr[24]) },
2606 { "r25", offsetof(CPUState, gpr[25]) },
2607 { "r26", offsetof(CPUState, gpr[26]) },
2608 { "r27", offsetof(CPUState, gpr[27]) },
2609 { "r28", offsetof(CPUState, gpr[28]) },
2610 { "r29", offsetof(CPUState, gpr[29]) },
2611 { "r30", offsetof(CPUState, gpr[30]) },
2612 { "r31", offsetof(CPUState, gpr[31]) },
2613 /* Floating point registers */
2614 { "f0", offsetof(CPUState, fpr[0]) },
2615 { "f1", offsetof(CPUState, fpr[1]) },
2616 { "f2", offsetof(CPUState, fpr[2]) },
2617 { "f3", offsetof(CPUState, fpr[3]) },
2618 { "f4", offsetof(CPUState, fpr[4]) },
2619 { "f5", offsetof(CPUState, fpr[5]) },
2620 { "f6", offsetof(CPUState, fpr[6]) },
2621 { "f7", offsetof(CPUState, fpr[7]) },
2622 { "f8", offsetof(CPUState, fpr[8]) },
2623 { "f9", offsetof(CPUState, fpr[9]) },
2624 { "f10", offsetof(CPUState, fpr[10]) },
2625 { "f11", offsetof(CPUState, fpr[11]) },
2626 { "f12", offsetof(CPUState, fpr[12]) },
2627 { "f13", offsetof(CPUState, fpr[13]) },
2628 { "f14", offsetof(CPUState, fpr[14]) },
2629 { "f15", offsetof(CPUState, fpr[15]) },
2630 { "f16", offsetof(CPUState, fpr[16]) },
2631 { "f17", offsetof(CPUState, fpr[17]) },
2632 { "f18", offsetof(CPUState, fpr[18]) },
2633 { "f19", offsetof(CPUState, fpr[19]) },
2634 { "f20", offsetof(CPUState, fpr[20]) },
2635 { "f21", offsetof(CPUState, fpr[21]) },
2636 { "f22", offsetof(CPUState, fpr[22]) },
2637 { "f23", offsetof(CPUState, fpr[23]) },
2638 { "f24", offsetof(CPUState, fpr[24]) },
2639 { "f25", offsetof(CPUState, fpr[25]) },
2640 { "f26", offsetof(CPUState, fpr[26]) },
2641 { "f27", offsetof(CPUState, fpr[27]) },
2642 { "f28", offsetof(CPUState, fpr[28]) },
2643 { "f29", offsetof(CPUState, fpr[29]) },
2644 { "f30", offsetof(CPUState, fpr[30]) },
2645 { "f31", offsetof(CPUState, fpr[31]) },
2646 { "fpscr", offsetof(CPUState, fpscr) },
2647 /* Next instruction pointer */
2648 { "nip|pc", offsetof(CPUState, nip) },
2649 { "lr", offsetof(CPUState, lr) },
2650 { "ctr", offsetof(CPUState, ctr) },
2651 { "decr", 0, &monitor_get_decr, },
2652 { "ccr", 0, &monitor_get_ccr, },
2653 /* Machine state register */
2654 { "msr", 0, &monitor_get_msr, },
2655 { "xer", 0, &monitor_get_xer, },
2656 { "tbu", 0, &monitor_get_tbu, },
2657 { "tbl", 0, &monitor_get_tbl, },
2658 #if defined(TARGET_PPC64)
2659 /* Address space register */
2660 { "asr", offsetof(CPUState, asr) },
2661 #endif
2662 /* Segment registers */
2663 { "sdr1", offsetof(CPUState, sdr1) },
2664 { "sr0", offsetof(CPUState, sr[0]) },
2665 { "sr1", offsetof(CPUState, sr[1]) },
2666 { "sr2", offsetof(CPUState, sr[2]) },
2667 { "sr3", offsetof(CPUState, sr[3]) },
2668 { "sr4", offsetof(CPUState, sr[4]) },
2669 { "sr5", offsetof(CPUState, sr[5]) },
2670 { "sr6", offsetof(CPUState, sr[6]) },
2671 { "sr7", offsetof(CPUState, sr[7]) },
2672 { "sr8", offsetof(CPUState, sr[8]) },
2673 { "sr9", offsetof(CPUState, sr[9]) },
2674 { "sr10", offsetof(CPUState, sr[10]) },
2675 { "sr11", offsetof(CPUState, sr[11]) },
2676 { "sr12", offsetof(CPUState, sr[12]) },
2677 { "sr13", offsetof(CPUState, sr[13]) },
2678 { "sr14", offsetof(CPUState, sr[14]) },
2679 { "sr15", offsetof(CPUState, sr[15]) },
2680 /* Too lazy to put BATs and SPRs ... */
2681 #elif defined(TARGET_SPARC)
2682 { "g0", offsetof(CPUState, gregs[0]) },
2683 { "g1", offsetof(CPUState, gregs[1]) },
2684 { "g2", offsetof(CPUState, gregs[2]) },
2685 { "g3", offsetof(CPUState, gregs[3]) },
2686 { "g4", offsetof(CPUState, gregs[4]) },
2687 { "g5", offsetof(CPUState, gregs[5]) },
2688 { "g6", offsetof(CPUState, gregs[6]) },
2689 { "g7", offsetof(CPUState, gregs[7]) },
2690 { "o0", 0, monitor_get_reg },
2691 { "o1", 1, monitor_get_reg },
2692 { "o2", 2, monitor_get_reg },
2693 { "o3", 3, monitor_get_reg },
2694 { "o4", 4, monitor_get_reg },
2695 { "o5", 5, monitor_get_reg },
2696 { "o6", 6, monitor_get_reg },
2697 { "o7", 7, monitor_get_reg },
2698 { "l0", 8, monitor_get_reg },
2699 { "l1", 9, monitor_get_reg },
2700 { "l2", 10, monitor_get_reg },
2701 { "l3", 11, monitor_get_reg },
2702 { "l4", 12, monitor_get_reg },
2703 { "l5", 13, monitor_get_reg },
2704 { "l6", 14, monitor_get_reg },
2705 { "l7", 15, monitor_get_reg },
2706 { "i0", 16, monitor_get_reg },
2707 { "i1", 17, monitor_get_reg },
2708 { "i2", 18, monitor_get_reg },
2709 { "i3", 19, monitor_get_reg },
2710 { "i4", 20, monitor_get_reg },
2711 { "i5", 21, monitor_get_reg },
2712 { "i6", 22, monitor_get_reg },
2713 { "i7", 23, monitor_get_reg },
2714 { "pc", offsetof(CPUState, pc) },
2715 { "npc", offsetof(CPUState, npc) },
2716 { "y", offsetof(CPUState, y) },
2717 #ifndef TARGET_SPARC64
2718 { "psr", 0, &monitor_get_psr, },
2719 { "wim", offsetof(CPUState, wim) },
2720 #endif
2721 { "tbr", offsetof(CPUState, tbr) },
2722 { "fsr", offsetof(CPUState, fsr) },
2723 { "f0", offsetof(CPUState, fpr[0]) },
2724 { "f1", offsetof(CPUState, fpr[1]) },
2725 { "f2", offsetof(CPUState, fpr[2]) },
2726 { "f3", offsetof(CPUState, fpr[3]) },
2727 { "f4", offsetof(CPUState, fpr[4]) },
2728 { "f5", offsetof(CPUState, fpr[5]) },
2729 { "f6", offsetof(CPUState, fpr[6]) },
2730 { "f7", offsetof(CPUState, fpr[7]) },
2731 { "f8", offsetof(CPUState, fpr[8]) },
2732 { "f9", offsetof(CPUState, fpr[9]) },
2733 { "f10", offsetof(CPUState, fpr[10]) },
2734 { "f11", offsetof(CPUState, fpr[11]) },
2735 { "f12", offsetof(CPUState, fpr[12]) },
2736 { "f13", offsetof(CPUState, fpr[13]) },
2737 { "f14", offsetof(CPUState, fpr[14]) },
2738 { "f15", offsetof(CPUState, fpr[15]) },
2739 { "f16", offsetof(CPUState, fpr[16]) },
2740 { "f17", offsetof(CPUState, fpr[17]) },
2741 { "f18", offsetof(CPUState, fpr[18]) },
2742 { "f19", offsetof(CPUState, fpr[19]) },
2743 { "f20", offsetof(CPUState, fpr[20]) },
2744 { "f21", offsetof(CPUState, fpr[21]) },
2745 { "f22", offsetof(CPUState, fpr[22]) },
2746 { "f23", offsetof(CPUState, fpr[23]) },
2747 { "f24", offsetof(CPUState, fpr[24]) },
2748 { "f25", offsetof(CPUState, fpr[25]) },
2749 { "f26", offsetof(CPUState, fpr[26]) },
2750 { "f27", offsetof(CPUState, fpr[27]) },
2751 { "f28", offsetof(CPUState, fpr[28]) },
2752 { "f29", offsetof(CPUState, fpr[29]) },
2753 { "f30", offsetof(CPUState, fpr[30]) },
2754 { "f31", offsetof(CPUState, fpr[31]) },
2755 #ifdef TARGET_SPARC64
2756 { "f32", offsetof(CPUState, fpr[32]) },
2757 { "f34", offsetof(CPUState, fpr[34]) },
2758 { "f36", offsetof(CPUState, fpr[36]) },
2759 { "f38", offsetof(CPUState, fpr[38]) },
2760 { "f40", offsetof(CPUState, fpr[40]) },
2761 { "f42", offsetof(CPUState, fpr[42]) },
2762 { "f44", offsetof(CPUState, fpr[44]) },
2763 { "f46", offsetof(CPUState, fpr[46]) },
2764 { "f48", offsetof(CPUState, fpr[48]) },
2765 { "f50", offsetof(CPUState, fpr[50]) },
2766 { "f52", offsetof(CPUState, fpr[52]) },
2767 { "f54", offsetof(CPUState, fpr[54]) },
2768 { "f56", offsetof(CPUState, fpr[56]) },
2769 { "f58", offsetof(CPUState, fpr[58]) },
2770 { "f60", offsetof(CPUState, fpr[60]) },
2771 { "f62", offsetof(CPUState, fpr[62]) },
2772 { "asi", offsetof(CPUState, asi) },
2773 { "pstate", offsetof(CPUState, pstate) },
2774 { "cansave", offsetof(CPUState, cansave) },
2775 { "canrestore", offsetof(CPUState, canrestore) },
2776 { "otherwin", offsetof(CPUState, otherwin) },
2777 { "wstate", offsetof(CPUState, wstate) },
2778 { "cleanwin", offsetof(CPUState, cleanwin) },
2779 { "fprs", offsetof(CPUState, fprs) },
2780 #endif
2781 #endif
2782 { NULL },
2783 };
2784
2785 static void expr_error(Monitor *mon, const char *msg)
2786 {
2787 monitor_printf(mon, "%s\n", msg);
2788 longjmp(expr_env, 1);
2789 }
2790
2791 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2792 static int get_monitor_def(target_long *pval, const char *name)
2793 {
2794 const MonitorDef *md;
2795 void *ptr;
2796
2797 for(md = monitor_defs; md->name != NULL; md++) {
2798 if (compare_cmd(name, md->name)) {
2799 if (md->get_value) {
2800 *pval = md->get_value(md, md->offset);
2801 } else {
2802 CPUState *env = mon_get_cpu();
2803 if (!env)
2804 return -2;
2805 ptr = (uint8_t *)env + md->offset;
2806 switch(md->type) {
2807 case MD_I32:
2808 *pval = *(int32_t *)ptr;
2809 break;
2810 case MD_TLONG:
2811 *pval = *(target_long *)ptr;
2812 break;
2813 default:
2814 *pval = 0;
2815 break;
2816 }
2817 }
2818 return 0;
2819 }
2820 }
2821 return -1;
2822 }
2823
2824 static void next(void)
2825 {
2826 if (*pch != '\0') {
2827 pch++;
2828 while (qemu_isspace(*pch))
2829 pch++;
2830 }
2831 }
2832
2833 static int64_t expr_sum(Monitor *mon);
2834
2835 static int64_t expr_unary(Monitor *mon)
2836 {
2837 int64_t n;
2838 char *p;
2839 int ret;
2840
2841 switch(*pch) {
2842 case '+':
2843 next();
2844 n = expr_unary(mon);
2845 break;
2846 case '-':
2847 next();
2848 n = -expr_unary(mon);
2849 break;
2850 case '~':
2851 next();
2852 n = ~expr_unary(mon);
2853 break;
2854 case '(':
2855 next();
2856 n = expr_sum(mon);
2857 if (*pch != ')') {
2858 expr_error(mon, "')' expected");
2859 }
2860 next();
2861 break;
2862 case '\'':
2863 pch++;
2864 if (*pch == '\0')
2865 expr_error(mon, "character constant expected");
2866 n = *pch;
2867 pch++;
2868 if (*pch != '\'')
2869 expr_error(mon, "missing terminating \' character");
2870 next();
2871 break;
2872 case '$':
2873 {
2874 char buf[128], *q;
2875 target_long reg=0;
2876
2877 pch++;
2878 q = buf;
2879 while ((*pch >= 'a' && *pch <= 'z') ||
2880 (*pch >= 'A' && *pch <= 'Z') ||
2881 (*pch >= '0' && *pch <= '9') ||
2882 *pch == '_' || *pch == '.') {
2883 if ((q - buf) < sizeof(buf) - 1)
2884 *q++ = *pch;
2885 pch++;
2886 }
2887 while (qemu_isspace(*pch))
2888 pch++;
2889 *q = 0;
2890 ret = get_monitor_def(&reg, buf);
2891 if (ret == -1)
2892 expr_error(mon, "unknown register");
2893 else if (ret == -2)
2894 expr_error(mon, "no cpu defined");
2895 n = reg;
2896 }
2897 break;
2898 case '\0':
2899 expr_error(mon, "unexpected end of expression");
2900 n = 0;
2901 break;
2902 default:
2903 #if TARGET_PHYS_ADDR_BITS > 32
2904 n = strtoull(pch, &p, 0);
2905 #else
2906 n = strtoul(pch, &p, 0);
2907 #endif
2908 if (pch == p) {
2909 expr_error(mon, "invalid char in expression");
2910 }
2911 pch = p;
2912 while (qemu_isspace(*pch))
2913 pch++;
2914 break;
2915 }
2916 return n;
2917 }
2918
2919
2920 static int64_t expr_prod(Monitor *mon)
2921 {
2922 int64_t val, val2;
2923 int op;
2924
2925 val = expr_unary(mon);
2926 for(;;) {
2927 op = *pch;
2928 if (op != '*' && op != '/' && op != '%')
2929 break;
2930 next();
2931 val2 = expr_unary(mon);
2932 switch(op) {
2933 default:
2934 case '*':
2935 val *= val2;
2936 break;
2937 case '/':
2938 case '%':
2939 if (val2 == 0)
2940 expr_error(mon, "division by zero");
2941 if (op == '/')
2942 val /= val2;
2943 else
2944 val %= val2;
2945 break;
2946 }
2947 }
2948 return val;
2949 }
2950
2951 static int64_t expr_logic(Monitor *mon)
2952 {
2953 int64_t val, val2;
2954 int op;
2955
2956 val = expr_prod(mon);
2957 for(;;) {
2958 op = *pch;
2959 if (op != '&' && op != '|' && op != '^')
2960 break;
2961 next();
2962 val2 = expr_prod(mon);
2963 switch(op) {
2964 default:
2965 case '&':
2966 val &= val2;
2967 break;
2968 case '|':
2969 val |= val2;
2970 break;
2971 case '^':
2972 val ^= val2;
2973 break;
2974 }
2975 }
2976 return val;
2977 }
2978
2979 static int64_t expr_sum(Monitor *mon)
2980 {
2981 int64_t val, val2;
2982 int op;
2983
2984 val = expr_logic(mon);
2985 for(;;) {
2986 op = *pch;
2987 if (op != '+' && op != '-')
2988 break;
2989 next();
2990 val2 = expr_logic(mon);
2991 if (op == '+')
2992 val += val2;
2993 else
2994 val -= val2;
2995 }
2996 return val;
2997 }
2998
2999 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3000 {
3001 pch = *pp;
3002 if (setjmp(expr_env)) {
3003 *pp = pch;
3004 return -1;
3005 }
3006 while (qemu_isspace(*pch))
3007 pch++;
3008 *pval = expr_sum(mon);
3009 *pp = pch;
3010 return 0;
3011 }
3012
3013 static int get_str(char *buf, int buf_size, const char **pp)
3014 {
3015 const char *p;
3016 char *q;
3017 int c;
3018
3019 q = buf;
3020 p = *pp;
3021 while (qemu_isspace(*p))
3022 p++;
3023 if (*p == '\0') {
3024 fail:
3025 *q = '\0';
3026 *pp = p;
3027 return -1;
3028 }
3029 if (*p == '\"') {
3030 p++;
3031 while (*p != '\0' && *p != '\"') {
3032 if (*p == '\\') {
3033 p++;
3034 c = *p++;
3035 switch(c) {
3036 case 'n':
3037 c = '\n';
3038 break;
3039 case 'r':
3040 c = '\r';
3041 break;
3042 case '\\':
3043 case '\'':
3044 case '\"':
3045 break;
3046 default:
3047 qemu_printf("unsupported escape code: '\\%c'\n", c);
3048 goto fail;
3049 }
3050 if ((q - buf) < buf_size - 1) {
3051 *q++ = c;
3052 }
3053 } else {
3054 if ((q - buf) < buf_size - 1) {
3055 *q++ = *p;
3056 }
3057 p++;
3058 }
3059 }
3060 if (*p != '\"') {
3061 qemu_printf("unterminated string\n");
3062 goto fail;
3063 }
3064 p++;
3065 } else {
3066 while (*p != '\0' && !qemu_isspace(*p)) {
3067 if ((q - buf) < buf_size - 1) {
3068 *q++ = *p;
3069 }
3070 p++;
3071 }
3072 }
3073 *q = '\0';
3074 *pp = p;
3075 return 0;
3076 }
3077
3078 /*
3079 * Store the command-name in cmdname, and return a pointer to
3080 * the remaining of the command string.
3081 */
3082 static const char *get_command_name(const char *cmdline,
3083 char *cmdname, size_t nlen)
3084 {
3085 size_t len;
3086 const char *p, *pstart;
3087
3088 p = cmdline;
3089 while (qemu_isspace(*p))
3090 p++;
3091 if (*p == '\0')
3092 return NULL;
3093 pstart = p;
3094 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3095 p++;
3096 len = p - pstart;
3097 if (len > nlen - 1)
3098 len = nlen - 1;
3099 memcpy(cmdname, pstart, len);
3100 cmdname[len] = '\0';
3101 return p;
3102 }
3103
3104 /**
3105 * Read key of 'type' into 'key' and return the current
3106 * 'type' pointer.
3107 */
3108 static char *key_get_info(const char *type, char **key)
3109 {
3110 size_t len;
3111 char *p, *str;
3112
3113 if (*type == ',')
3114 type++;
3115
3116 p = strchr(type, ':');
3117 if (!p) {
3118 *key = NULL;
3119 return NULL;
3120 }
3121 len = p - type;
3122
3123 str = qemu_malloc(len + 1);
3124 memcpy(str, type, len);
3125 str[len] = '\0';
3126
3127 *key = str;
3128 return ++p;
3129 }
3130
3131 static int default_fmt_format = 'x';
3132 static int default_fmt_size = 4;
3133
3134 #define MAX_ARGS 16
3135
3136 static int is_valid_option(const char *c, const char *typestr)
3137 {
3138 char option[3];
3139
3140 option[0] = '-';
3141 option[1] = *c;
3142 option[2] = '\0';
3143
3144 typestr = strstr(typestr, option);
3145 return (typestr != NULL);
3146 }
3147
3148 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3149 {
3150 const mon_cmd_t *cmd;
3151
3152 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3153 if (compare_cmd(cmdname, cmd->name)) {
3154 return cmd;
3155 }
3156 }
3157
3158 return NULL;
3159 }
3160
3161 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3162 const char *cmdline,
3163 QDict *qdict)
3164 {
3165 const char *p, *typestr;
3166 int c;
3167 const mon_cmd_t *cmd;
3168 char cmdname[256];
3169 char buf[1024];
3170 char *key;
3171
3172 #ifdef DEBUG
3173 monitor_printf(mon, "command='%s'\n", cmdline);
3174 #endif
3175
3176 /* extract the command name */
3177 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3178 if (!p)
3179 return NULL;
3180
3181 cmd = monitor_find_command(cmdname);
3182 if (!cmd) {
3183 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3184 return NULL;
3185 }
3186
3187 /* parse the parameters */
3188 typestr = cmd->args_type;
3189 for(;;) {
3190 typestr = key_get_info(typestr, &key);
3191 if (!typestr)
3192 break;
3193 c = *typestr;
3194 typestr++;
3195 switch(c) {
3196 case 'F':
3197 case 'B':
3198 case 's':
3199 {
3200 int ret;
3201
3202 while (qemu_isspace(*p))
3203 p++;
3204 if (*typestr == '?') {
3205 typestr++;
3206 if (*p == '\0') {
3207 /* no optional string: NULL argument */
3208 break;
3209 }
3210 }
3211 ret = get_str(buf, sizeof(buf), &p);
3212 if (ret < 0) {
3213 switch(c) {
3214 case 'F':
3215 monitor_printf(mon, "%s: filename expected\n",
3216 cmdname);
3217 break;
3218 case 'B':
3219 monitor_printf(mon, "%s: block device name expected\n",
3220 cmdname);
3221 break;
3222 default:
3223 monitor_printf(mon, "%s: string expected\n", cmdname);
3224 break;
3225 }
3226 goto fail;
3227 }
3228 qdict_put(qdict, key, qstring_from_str(buf));
3229 }
3230 break;
3231 case '/':
3232 {
3233 int count, format, size;
3234
3235 while (qemu_isspace(*p))
3236 p++;
3237 if (*p == '/') {
3238 /* format found */
3239 p++;
3240 count = 1;
3241 if (qemu_isdigit(*p)) {
3242 count = 0;
3243 while (qemu_isdigit(*p)) {
3244 count = count * 10 + (*p - '0');
3245 p++;
3246 }
3247 }
3248 size = -1;
3249 format = -1;
3250 for(;;) {
3251 switch(*p) {
3252 case 'o':
3253 case 'd':
3254 case 'u':
3255 case 'x':
3256 case 'i':
3257 case 'c':
3258 format = *p++;
3259 break;
3260 case 'b':
3261 size = 1;
3262 p++;
3263 break;
3264 case 'h':
3265 size = 2;
3266 p++;
3267 break;
3268 case 'w':
3269 size = 4;
3270 p++;
3271 break;
3272 case 'g':
3273 case 'L':
3274 size = 8;
3275 p++;
3276 break;
3277 default:
3278 goto next;
3279 }
3280 }
3281 next:
3282 if (*p != '\0' && !qemu_isspace(*p)) {
3283 monitor_printf(mon, "invalid char in format: '%c'\n",
3284 *p);
3285 goto fail;
3286 }
3287 if (format < 0)
3288 format = default_fmt_format;
3289 if (format != 'i') {
3290 /* for 'i', not specifying a size gives -1 as size */
3291 if (size < 0)
3292 size = default_fmt_size;
3293 default_fmt_size = size;
3294 }
3295 default_fmt_format = format;
3296 } else {
3297 count = 1;
3298 format = default_fmt_format;
3299 if (format != 'i') {
3300 size = default_fmt_size;
3301 } else {
3302 size = -1;
3303 }
3304 }
3305 qdict_put(qdict, "count", qint_from_int(count));
3306 qdict_put(qdict, "format", qint_from_int(format));
3307 qdict_put(qdict, "size", qint_from_int(size));
3308 }
3309 break;
3310 case 'i':
3311 case 'l':
3312 {
3313 int64_t val;
3314
3315 while (qemu_isspace(*p))
3316 p++;
3317 if (*typestr == '?' || *typestr == '.') {
3318 if (*typestr == '?') {
3319 if (*p == '\0') {
3320 typestr++;
3321 break;
3322 }
3323 } else {
3324 if (*p == '.') {
3325 p++;
3326 while (qemu_isspace(*p))
3327 p++;
3328 } else {
3329 typestr++;
3330 break;
3331 }
3332 }
3333 typestr++;
3334 }
3335 if (get_expr(mon, &val, &p))
3336 goto fail;
3337 /* Check if 'i' is greater than 32-bit */
3338 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3339 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3340 monitor_printf(mon, "integer is for 32-bit values\n");
3341 goto fail;
3342 }
3343 qdict_put(qdict, key, qint_from_int(val));
3344 }
3345 break;
3346 case '-':
3347 {
3348 const char *tmp = p;
3349 int has_option, skip_key = 0;
3350 /* option */
3351
3352 c = *typestr++;
3353 if (c == '\0')
3354 goto bad_type;
3355 while (qemu_isspace(*p))
3356 p++;
3357 has_option = 0;
3358 if (*p == '-') {
3359 p++;
3360 if(c != *p) {
3361 if(!is_valid_option(p, typestr)) {
3362
3363 monitor_printf(mon, "%s: unsupported option -%c\n",
3364 cmdname, *p);
3365 goto fail;
3366 } else {
3367 skip_key = 1;
3368 }
3369 }
3370 if(skip_key) {
3371 p = tmp;
3372 } else {
3373 p++;
3374 has_option = 1;
3375 }
3376 }
3377 qdict_put(qdict, key, qint_from_int(has_option));
3378 }
3379 break;
3380 default:
3381 bad_type:
3382 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3383 goto fail;
3384 }
3385 qemu_free(key);
3386 key = NULL;
3387 }
3388 /* check that all arguments were parsed */
3389 while (qemu_isspace(*p))
3390 p++;
3391 if (*p != '\0') {
3392 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3393 cmdname);
3394 goto fail;
3395 }
3396
3397 return cmd;
3398
3399 fail:
3400 qemu_free(key);
3401 return NULL;
3402 }
3403
3404 static void monitor_print_error(Monitor *mon)
3405 {
3406 qerror_print(mon->error);
3407 QDECREF(mon->error);
3408 mon->error = NULL;
3409 }
3410
3411 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3412 const QDict *params)
3413 {
3414 QObject *data = NULL;
3415
3416 cmd->mhandler.cmd_new(mon, params, &data);
3417
3418 if (monitor_ctrl_mode(mon)) {
3419 /* Monitor Protocol */
3420 monitor_protocol_emitter(mon, data);
3421 } else {
3422 /* User Protocol */
3423 if (data)
3424 cmd->user_print(mon, data);
3425 }
3426
3427 qobject_decref(data);
3428 }
3429
3430 static void handle_user_command(Monitor *mon, const char *cmdline)
3431 {
3432 QDict *qdict;
3433 const mon_cmd_t *cmd;
3434
3435 qdict = qdict_new();
3436
3437 cmd = monitor_parse_command(mon, cmdline, qdict);
3438 if (!cmd)
3439 goto out;
3440
3441 qemu_errors_to_mon(mon);
3442
3443 if (monitor_handler_ported(cmd)) {
3444 monitor_call_handler(mon, cmd, qdict);
3445 } else {
3446 cmd->mhandler.cmd(mon, qdict);
3447 }
3448
3449 if (monitor_has_error(mon))
3450 monitor_print_error(mon);
3451
3452 qemu_errors_to_previous();
3453
3454 out:
3455 QDECREF(qdict);
3456 }
3457
3458 static void cmd_completion(const char *name, const char *list)
3459 {
3460 const char *p, *pstart;
3461 char cmd[128];
3462 int len;
3463
3464 p = list;
3465 for(;;) {
3466 pstart = p;
3467 p = strchr(p, '|');
3468 if (!p)
3469 p = pstart + strlen(pstart);
3470 len = p - pstart;
3471 if (len > sizeof(cmd) - 2)
3472 len = sizeof(cmd) - 2;
3473 memcpy(cmd, pstart, len);
3474 cmd[len] = '\0';
3475 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3476 readline_add_completion(cur_mon->rs, cmd);
3477 }
3478 if (*p == '\0')
3479 break;
3480 p++;
3481 }
3482 }
3483
3484 static void file_completion(const char *input)
3485 {
3486 DIR *ffs;
3487 struct dirent *d;
3488 char path[1024];
3489 char file[1024], file_prefix[1024];
3490 int input_path_len;
3491 const char *p;
3492
3493 p = strrchr(input, '/');
3494 if (!p) {
3495 input_path_len = 0;
3496 pstrcpy(file_prefix, sizeof(file_prefix), input);
3497 pstrcpy(path, sizeof(path), ".");
3498 } else {
3499 input_path_len = p - input + 1;
3500 memcpy(path, input, input_path_len);
3501 if (input_path_len > sizeof(path) - 1)
3502 input_path_len = sizeof(path) - 1;
3503 path[input_path_len] = '\0';
3504 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3505 }
3506 #ifdef DEBUG_COMPLETION
3507 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3508 input, path, file_prefix);
3509 #endif
3510 ffs = opendir(path);
3511 if (!ffs)
3512 return;
3513 for(;;) {
3514 struct stat sb;
3515 d = readdir(ffs);
3516 if (!d)
3517 break;
3518 if (strstart(d->d_name, file_prefix, NULL)) {
3519 memcpy(file, input, input_path_len);
3520 if (input_path_len < sizeof(file))
3521 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3522 d->d_name);
3523 /* stat the file to find out if it's a directory.
3524 * In that case add a slash to speed up typing long paths
3525 */
3526 stat(file, &sb);
3527 if(S_ISDIR(sb.st_mode))
3528 pstrcat(file, sizeof(file), "/");
3529 readline_add_completion(cur_mon->rs, file);
3530 }
3531 }
3532 closedir(ffs);
3533 }
3534
3535 static void block_completion_it(void *opaque, BlockDriverState *bs)
3536 {
3537 const char *name = bdrv_get_device_name(bs);
3538 const char *input = opaque;
3539
3540 if (input[0] == '\0' ||
3541 !strncmp(name, (char *)input, strlen(input))) {
3542 readline_add_completion(cur_mon->rs, name);
3543 }
3544 }
3545
3546 /* NOTE: this parser is an approximate form of the real command parser */
3547 static void parse_cmdline(const char *cmdline,
3548 int *pnb_args, char **args)
3549 {
3550 const char *p;
3551 int nb_args, ret;
3552 char buf[1024];
3553
3554 p = cmdline;
3555 nb_args = 0;
3556 for(;;) {
3557 while (qemu_isspace(*p))
3558 p++;
3559 if (*p == '\0')
3560 break;
3561 if (nb_args >= MAX_ARGS)
3562 break;
3563 ret = get_str(buf, sizeof(buf), &p);
3564 args[nb_args] = qemu_strdup(buf);
3565 nb_args++;
3566 if (ret < 0)
3567 break;
3568 }
3569 *pnb_args = nb_args;
3570 }
3571
3572 static const char *next_arg_type(const char *typestr)
3573 {
3574 const char *p = strchr(typestr, ':');
3575 return (p != NULL ? ++p : typestr);
3576 }
3577
3578 static void monitor_find_completion(const char *cmdline)
3579 {
3580 const char *cmdname;
3581 char *args[MAX_ARGS];
3582 int nb_args, i, len;
3583 const char *ptype, *str;
3584 const mon_cmd_t *cmd;
3585 const KeyDef *key;
3586
3587 parse_cmdline(cmdline, &nb_args, args);
3588 #ifdef DEBUG_COMPLETION
3589 for(i = 0; i < nb_args; i++) {
3590 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3591 }
3592 #endif
3593
3594 /* if the line ends with a space, it means we want to complete the
3595 next arg */
3596 len = strlen(cmdline);
3597 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3598 if (nb_args >= MAX_ARGS)
3599 return;
3600 args[nb_args++] = qemu_strdup("");
3601 }
3602 if (nb_args <= 1) {
3603 /* command completion */
3604 if (nb_args == 0)
3605 cmdname = "";
3606 else
3607 cmdname = args[0];
3608 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3609 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3610 cmd_completion(cmdname, cmd->name);
3611 }
3612 } else {
3613 /* find the command */
3614 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3615 if (compare_cmd(args[0], cmd->name))
3616 goto found;
3617 }
3618 return;
3619 found:
3620 ptype = next_arg_type(cmd->args_type);
3621 for(i = 0; i < nb_args - 2; i++) {
3622 if (*ptype != '\0') {
3623 ptype = next_arg_type(ptype);
3624 while (*ptype == '?')
3625 ptype = next_arg_type(ptype);
3626 }
3627 }
3628 str = args[nb_args - 1];
3629 if (*ptype == '-' && ptype[1] != '\0') {
3630 ptype += 2;
3631 }
3632 switch(*ptype) {
3633 case 'F':
3634 /* file completion */
3635 readline_set_completion_index(cur_mon->rs, strlen(str));
3636 file_completion(str);
3637 break;
3638 case 'B':
3639 /* block device name completion */
3640 readline_set_completion_index(cur_mon->rs, strlen(str));
3641 bdrv_iterate(block_completion_it, (void *)str);
3642 break;
3643 case 's':
3644 /* XXX: more generic ? */
3645 if (!strcmp(cmd->name, "info")) {
3646 readline_set_completion_index(cur_mon->rs, strlen(str));
3647 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3648 cmd_completion(str, cmd->name);
3649 }
3650 } else if (!strcmp(cmd->name, "sendkey")) {
3651 char *sep = strrchr(str, '-');
3652 if (sep)
3653 str = sep + 1;
3654 readline_set_completion_index(cur_mon->rs, strlen(str));
3655 for(key = key_defs; key->name != NULL; key++) {
3656 cmd_completion(str, key->name);
3657 }
3658 } else if (!strcmp(cmd->name, "help|?")) {
3659 readline_set_completion_index(cur_mon->rs, strlen(str));
3660 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3661 cmd_completion(str, cmd->name);
3662 }
3663 }
3664 break;
3665 default:
3666 break;
3667 }
3668 }
3669 for(i = 0; i < nb_args; i++)
3670 qemu_free(args[i]);
3671 }
3672
3673 static int monitor_can_read(void *opaque)
3674 {
3675 Monitor *mon = opaque;
3676
3677 return (mon->suspend_cnt == 0) ? 128 : 0;
3678 }
3679
3680 typedef struct CmdArgs {
3681 QString *name;
3682 int type;
3683 int flag;
3684 int optional;
3685 } CmdArgs;
3686
3687 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3688 {
3689 if (!cmd_args->optional) {
3690 qemu_error_new(QERR_MISSING_PARAMETER, name);
3691 return -1;
3692 }
3693
3694 if (cmd_args->type == '-') {
3695 /* handlers expect a value, they need to be changed */
3696 qdict_put(args, name, qint_from_int(0));
3697 }
3698
3699 return 0;
3700 }
3701
3702 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3703 {
3704 QObject *value;
3705 const char *name;
3706
3707 name = qstring_get_str(cmd_args->name);
3708
3709 if (!args) {
3710 return check_opt(cmd_args, name, args);
3711 }
3712
3713 value = qdict_get(args, name);
3714 if (!value) {
3715 return check_opt(cmd_args, name, args);
3716 }
3717
3718 switch (cmd_args->type) {
3719 case 'F':
3720 case 'B':
3721 case 's':
3722 if (qobject_type(value) != QTYPE_QSTRING) {
3723 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3724 return -1;
3725 }
3726 break;
3727 case '/': {
3728 int i;
3729 const char *keys[] = { "count", "format", "size", NULL };
3730
3731 for (i = 0; keys[i]; i++) {
3732 QObject *obj = qdict_get(args, keys[i]);
3733 if (!obj) {
3734 qemu_error_new(QERR_MISSING_PARAMETER, name);
3735 return -1;
3736 }
3737 if (qobject_type(obj) != QTYPE_QINT) {
3738 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3739 return -1;
3740 }
3741 }
3742 break;
3743 }
3744 case 'i':
3745 case 'l':
3746 if (qobject_type(value) != QTYPE_QINT) {
3747 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3748 return -1;
3749 }
3750 break;
3751 case '-':
3752 if (qobject_type(value) != QTYPE_QINT &&
3753 qobject_type(value) != QTYPE_QBOOL) {
3754 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3755 return -1;
3756 }
3757 if (qobject_type(value) == QTYPE_QBOOL) {
3758 /* handlers expect a QInt, they need to be changed */
3759 qdict_put(args, name,
3760 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3761 }
3762 break;
3763 default:
3764 /* impossible */
3765 abort();
3766 }
3767
3768 return 0;
3769 }
3770
3771 static void cmd_args_init(CmdArgs *cmd_args)
3772 {
3773 cmd_args->name = qstring_new();
3774 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3775 }
3776
3777 /*
3778 * This is not trivial, we have to parse Monitor command's argument
3779 * type syntax to be able to check the arguments provided by clients.
3780 *
3781 * In the near future we will be using an array for that and will be
3782 * able to drop all this parsing...
3783 */
3784 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3785 {
3786 int err;
3787 const char *p;
3788 CmdArgs cmd_args;
3789
3790 if (cmd->args_type == NULL) {
3791 return (qdict_size(args) == 0 ? 0 : -1);
3792 }
3793
3794 err = 0;
3795 cmd_args_init(&cmd_args);
3796
3797 for (p = cmd->args_type;; p++) {
3798 if (*p == ':') {
3799 cmd_args.type = *++p;
3800 p++;
3801 if (cmd_args.type == '-') {
3802 cmd_args.flag = *p++;
3803 cmd_args.optional = 1;
3804 } else if (*p == '?') {
3805 cmd_args.optional = 1;
3806 p++;
3807 }
3808
3809 assert(*p == ',' || *p == '\0');
3810 err = check_arg(&cmd_args, args);
3811
3812 QDECREF(cmd_args.name);
3813 cmd_args_init(&cmd_args);
3814
3815 if (err < 0) {
3816 break;
3817 }
3818 } else {
3819 qstring_append_chr(cmd_args.name, *p);
3820 }
3821
3822 if (*p == '\0') {
3823 break;
3824 }
3825 }
3826
3827 QDECREF(cmd_args.name);
3828 return err;
3829 }
3830
3831 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3832 {
3833 int err;
3834 QObject *obj;
3835 QDict *input, *args;
3836 const mon_cmd_t *cmd;
3837 Monitor *mon = cur_mon;
3838 const char *cmd_name, *info_item;
3839
3840 args = NULL;
3841 qemu_errors_to_mon(mon);
3842
3843 obj = json_parser_parse(tokens, NULL);
3844 if (!obj) {
3845 // FIXME: should be triggered in json_parser_parse()
3846 qemu_error_new(QERR_JSON_PARSING);
3847 goto err_out;
3848 } else if (qobject_type(obj) != QTYPE_QDICT) {
3849 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3850 qobject_decref(obj);
3851 goto err_out;
3852 }
3853
3854 input = qobject_to_qdict(obj);
3855
3856 mon->mc->id = qdict_get(input, "id");
3857 qobject_incref(mon->mc->id);
3858
3859 obj = qdict_get(input, "execute");
3860 if (!obj) {
3861 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3862 goto err_input;
3863 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3864 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3865 goto err_input;
3866 }
3867
3868 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3869
3870 /*
3871 * XXX: We need this special case until we get info handlers
3872 * converted into 'query-' commands
3873 */
3874 if (compare_cmd(cmd_name, "info")) {
3875 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3876 goto err_input;
3877 } else if (strstart(cmd_name, "query-", &info_item)) {
3878 cmd = monitor_find_command("info");
3879 qdict_put_obj(input, "arguments",
3880 qobject_from_jsonf("{ 'item': %s }", info_item));
3881 } else {
3882 cmd = monitor_find_command(cmd_name);
3883 if (!cmd) {
3884 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3885 goto err_input;
3886 }
3887 }
3888
3889 obj = qdict_get(input, "arguments");
3890 if (!obj) {
3891 args = qdict_new();
3892 } else {
3893 args = qobject_to_qdict(obj);
3894 QINCREF(args);
3895 }
3896
3897 QDECREF(input);
3898
3899 err = monitor_check_qmp_args(cmd, args);
3900 if (err < 0) {
3901 goto err_out;
3902 }
3903
3904 monitor_call_handler(mon, cmd, args);
3905 goto out;
3906
3907 err_input:
3908 QDECREF(input);
3909 err_out:
3910 monitor_protocol_emitter(mon, NULL);
3911 out:
3912 QDECREF(args);
3913 qemu_errors_to_previous();
3914 }
3915
3916 /**
3917 * monitor_control_read(): Read and handle QMP input
3918 */
3919 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3920 {
3921 Monitor *old_mon = cur_mon;
3922
3923 cur_mon = opaque;
3924
3925 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3926
3927 cur_mon = old_mon;
3928 }
3929
3930 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3931 {
3932 Monitor *old_mon = cur_mon;
3933 int i;
3934
3935 cur_mon = opaque;
3936
3937 if (cur_mon->rs) {
3938 for (i = 0; i < size; i++)
3939 readline_handle_byte(cur_mon->rs, buf[i]);
3940 } else {
3941 if (size == 0 || buf[size - 1] != 0)
3942 monitor_printf(cur_mon, "corrupted command\n");
3943 else
3944 handle_user_command(cur_mon, (char *)buf);
3945 }
3946
3947 cur_mon = old_mon;
3948 }
3949
3950 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3951 {
3952 monitor_suspend(mon);
3953 handle_user_command(mon, cmdline);
3954 monitor_resume(mon);
3955 }
3956
3957 int monitor_suspend(Monitor *mon)
3958 {
3959 if (!mon->rs)
3960 return -ENOTTY;
3961 mon->suspend_cnt++;
3962 return 0;
3963 }
3964
3965 void monitor_resume(Monitor *mon)
3966 {
3967 if (!mon->rs)
3968 return;
3969 if (--mon->suspend_cnt == 0)
3970 readline_show_prompt(mon->rs);
3971 }
3972
3973 /**
3974 * monitor_control_event(): Print QMP gretting
3975 */
3976 static void monitor_control_event(void *opaque, int event)
3977 {
3978 if (event == CHR_EVENT_OPENED) {
3979 QObject *data;
3980 Monitor *mon = opaque;
3981
3982 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3983
3984 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3985 assert(data != NULL);
3986
3987 monitor_json_emitter(mon, data);
3988 qobject_decref(data);
3989 }
3990 }
3991
3992 static void monitor_event(void *opaque, int event)
3993 {
3994 Monitor *mon = opaque;
3995
3996 switch (event) {
3997 case CHR_EVENT_MUX_IN:
3998 mon->mux_out = 0;
3999 if (mon->reset_seen) {
4000 readline_restart(mon->rs);
4001 monitor_resume(mon);
4002 monitor_flush(mon);
4003 } else {
4004 mon->suspend_cnt = 0;
4005 }
4006 break;
4007
4008 case CHR_EVENT_MUX_OUT:
4009 if (mon->reset_seen) {
4010 if (mon->suspend_cnt == 0) {
4011 monitor_printf(mon, "\n");
4012 }
4013 monitor_flush(mon);
4014 monitor_suspend(mon);
4015 } else {
4016 mon->suspend_cnt++;
4017 }
4018 mon->mux_out = 1;
4019 break;
4020
4021 case CHR_EVENT_OPENED:
4022 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4023 "information\n", QEMU_VERSION);
4024 if (!mon->mux_out) {
4025 readline_show_prompt(mon->rs);
4026 }
4027 mon->reset_seen = 1;
4028 break;
4029 }
4030 }
4031
4032
4033 /*
4034 * Local variables:
4035 * c-indent-level: 4
4036 * c-basic-offset: 4
4037 * tab-width: 8
4038 * End:
4039 */
4040
4041 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4042 {
4043 const char *dev;
4044
4045 if (strstart(cmdline, "control,", &dev)) {
4046 if (strstart(dev, "vc", NULL)) {
4047 fprintf(stderr, "qemu: control mode is for low-level interaction ");
4048 fprintf(stderr, "cannot be used with device 'vc'\n");
4049 exit(1);
4050 }
4051 *flags &= ~MONITOR_USE_READLINE;
4052 *flags |= MONITOR_USE_CONTROL;
4053 return dev;
4054 }
4055
4056 return cmdline;
4057 }
4058
4059 void monitor_init(CharDriverState *chr, int flags)
4060 {
4061 static int is_first_init = 1;
4062 Monitor *mon;
4063
4064 if (is_first_init) {
4065 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4066 is_first_init = 0;
4067 }
4068
4069 mon = qemu_mallocz(sizeof(*mon));
4070
4071 mon->chr = chr;
4072 mon->flags = flags;
4073 if (flags & MONITOR_USE_READLINE) {
4074 mon->rs = readline_init(mon, monitor_find_completion);
4075 monitor_read_command(mon, 0);
4076 }
4077
4078 if (monitor_ctrl_mode(mon)) {
4079 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4080 /* Control mode requires special handlers */
4081 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4082 monitor_control_event, mon);
4083 } else {
4084 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4085 monitor_event, mon);
4086 }
4087
4088 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4089 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4090 cur_mon = mon;
4091 }
4092
4093 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4094 {
4095 BlockDriverState *bs = opaque;
4096 int ret = 0;
4097
4098 if (bdrv_set_key(bs, password) != 0) {
4099 monitor_printf(mon, "invalid password\n");
4100 ret = -EPERM;
4101 }
4102 if (mon->password_completion_cb)
4103 mon->password_completion_cb(mon->password_opaque, ret);
4104
4105 monitor_read_command(mon, 1);
4106 }
4107
4108 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4109 BlockDriverCompletionFunc *completion_cb,
4110 void *opaque)
4111 {
4112 int err;
4113
4114 if (!bdrv_key_required(bs)) {
4115 if (completion_cb)
4116 completion_cb(opaque, 0);
4117 return;
4118 }
4119
4120 if (monitor_ctrl_mode(mon)) {
4121 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4122 return;
4123 }
4124
4125 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4126 bdrv_get_encrypted_filename(bs));
4127
4128 mon->password_completion_cb = completion_cb;
4129 mon->password_opaque = opaque;
4130
4131 err = monitor_read_password(mon, bdrv_password_cb, bs);
4132
4133 if (err && completion_cb)
4134 completion_cb(opaque, err);
4135 }
4136
4137 typedef struct QemuErrorSink QemuErrorSink;
4138 struct QemuErrorSink {
4139 enum {
4140 ERR_SINK_FILE,
4141 ERR_SINK_MONITOR,
4142 } dest;
4143 union {
4144 FILE *fp;
4145 Monitor *mon;
4146 };
4147 QemuErrorSink *previous;
4148 };
4149
4150 static QemuErrorSink *qemu_error_sink;
4151
4152 void qemu_errors_to_file(FILE *fp)
4153 {
4154 QemuErrorSink *sink;
4155
4156 sink = qemu_mallocz(sizeof(*sink));
4157 sink->dest = ERR_SINK_FILE;
4158 sink->fp = fp;
4159 sink->previous = qemu_error_sink;
4160 qemu_error_sink = sink;
4161 }
4162
4163 void qemu_errors_to_mon(Monitor *mon)
4164 {
4165 QemuErrorSink *sink;
4166
4167 sink = qemu_mallocz(sizeof(*sink));
4168 sink->dest = ERR_SINK_MONITOR;
4169 sink->mon = mon;
4170 sink->previous = qemu_error_sink;
4171 qemu_error_sink = sink;
4172 }
4173
4174 void qemu_errors_to_previous(void)
4175 {
4176 QemuErrorSink *sink;
4177
4178 assert(qemu_error_sink != NULL);
4179 sink = qemu_error_sink;
4180 qemu_error_sink = sink->previous;
4181 qemu_free(sink);
4182 }
4183
4184 void qemu_error(const char *fmt, ...)
4185 {
4186 va_list args;
4187
4188 assert(qemu_error_sink != NULL);
4189 switch (qemu_error_sink->dest) {
4190 case ERR_SINK_FILE:
4191 va_start(args, fmt);
4192 vfprintf(qemu_error_sink->fp, fmt, args);
4193 va_end(args);
4194 break;
4195 case ERR_SINK_MONITOR:
4196 va_start(args, fmt);
4197 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4198 va_end(args);
4199 break;
4200 }
4201 }
4202
4203 void qemu_error_internal(const char *file, int linenr, const char *func,
4204 const char *fmt, ...)
4205 {
4206 va_list va;
4207 QError *qerror;
4208
4209 assert(qemu_error_sink != NULL);
4210
4211 va_start(va, fmt);
4212 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4213 va_end(va);
4214
4215 switch (qemu_error_sink->dest) {
4216 case ERR_SINK_FILE:
4217 qerror_print(qerror);
4218 QDECREF(qerror);
4219 break;
4220 case ERR_SINK_MONITOR:
4221 assert(qemu_error_sink->mon->error == NULL);
4222 qemu_error_sink->mon->error = qerror;
4223 break;
4224 }
4225 }
Anthony Liguori's QEMU queue