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QMP: Introduce qmp-events.txt
[qemu/stefanha.git] / monitor.c
blobaf6d3d5d22c905655ef3b18a986afe1b10ca425b
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "qemu-char.h"
36 #include "sysemu.h"
37 #include "monitor.h"
38 #include "readline.h"
39 #include "console.h"
40 #include "block.h"
41 #include "audio/audio.h"
42 #include "disas.h"
43 #include "balloon.h"
44 #include "qemu-timer.h"
45 #include "migration.h"
46 #include "kvm.h"
47 #include "acl.h"
48 #include "qint.h"
49 #include "qlist.h"
50 #include "qdict.h"
51 #include "qbool.h"
52 #include "qstring.h"
53 #include "qerror.h"
54 #include "qjson.h"
55 #include "json-streamer.h"
56 #include "json-parser.h"
57
58 //#define DEBUG
59 //#define DEBUG_COMPLETION
60
61 /*
62 * Supported types:
63 *
64 * 'F' filename
65 * 'B' block device name
66 * 's' string (accept optional quote)
67 * 'i' 32 bit integer
68 * 'l' target long (32 or 64 bit)
69 * '/' optional gdb-like print format (like "/10x")
70 *
71 * '?' optional type (for all types, except '/')
72 * '.' other form of optional type (for 'i' and 'l')
73 * '-' optional parameter (eg. '-f')
74 *
75 */
76
77 typedef struct mon_cmd_t {
78 const char *name;
79 const char *args_type;
80 const char *params;
81 const char *help;
82 void (*user_print)(Monitor *mon, const QObject *data);
83 union {
84 void (*info)(Monitor *mon);
85 void (*info_new)(Monitor *mon, QObject **ret_data);
86 void (*cmd)(Monitor *mon, const QDict *qdict);
87 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
88 } mhandler;
89 } mon_cmd_t;
90
91 /* file descriptors passed via SCM_RIGHTS */
92 typedef struct mon_fd_t mon_fd_t;
93 struct mon_fd_t {
94 char *name;
95 int fd;
96 QLIST_ENTRY(mon_fd_t) next;
97 };
98
99 typedef struct MonitorControl {
100 QObject *id;
101 int print_enabled;
102 JSONMessageParser parser;
103 } MonitorControl;
104
105 struct Monitor {
106 CharDriverState *chr;
107 int mux_out;
108 int reset_seen;
109 int flags;
110 int suspend_cnt;
111 uint8_t outbuf[1024];
112 int outbuf_index;
113 ReadLineState *rs;
114 MonitorControl *mc;
115 CPUState *mon_cpu;
116 BlockDriverCompletionFunc *password_completion_cb;
117 void *password_opaque;
118 QError *error;
119 QLIST_HEAD(,mon_fd_t) fds;
120 QLIST_ENTRY(Monitor) entry;
121 };
122
123 static QLIST_HEAD(mon_list, Monitor) mon_list;
124
125 static const mon_cmd_t mon_cmds[];
126 static const mon_cmd_t info_cmds[];
127
128 Monitor *cur_mon = NULL;
129
130 static void monitor_command_cb(Monitor *mon, const char *cmdline,
131 void *opaque);
132
133 /* Return true if in control mode, false otherwise */
134 static inline int monitor_ctrl_mode(const Monitor *mon)
135 {
136 return (mon->flags & MONITOR_USE_CONTROL);
137 }
138
139 static void monitor_read_command(Monitor *mon, int show_prompt)
140 {
141 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
142 if (show_prompt)
143 readline_show_prompt(mon->rs);
144 }
145
146 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
147 void *opaque)
148 {
149 if (mon->rs) {
150 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
151 /* prompt is printed on return from the command handler */
152 return 0;
153 } else {
154 monitor_printf(mon, "terminal does not support password prompting\n");
155 return -ENOTTY;
156 }
157 }
158
159 void monitor_flush(Monitor *mon)
160 {
161 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
162 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
163 mon->outbuf_index = 0;
164 }
165 }
166
167 /* flush at every end of line or if the buffer is full */
168 static void monitor_puts(Monitor *mon, const char *str)
169 {
170 char c;
171
172 if (!mon)
173 return;
174
175 for(;;) {
176 c = *str++;
177 if (c == '\0')
178 break;
179 if (c == '\n')
180 mon->outbuf[mon->outbuf_index++] = '\r';
181 mon->outbuf[mon->outbuf_index++] = c;
182 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
183 || c == '\n')
184 monitor_flush(mon);
185 }
186 }
187
188 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
189 {
190 if (mon->mc && !mon->mc->print_enabled) {
191 qemu_error_new(QERR_UNDEFINED_ERROR);
192 } else {
193 char buf[4096];
194 vsnprintf(buf, sizeof(buf), fmt, ap);
195 monitor_puts(mon, buf);
196 }
197 }
198
199 void monitor_printf(Monitor *mon, const char *fmt, ...)
200 {
201 va_list ap;
202 va_start(ap, fmt);
203 monitor_vprintf(mon, fmt, ap);
204 va_end(ap);
205 }
206
207 void monitor_print_filename(Monitor *mon, const char *filename)
208 {
209 int i;
210
211 for (i = 0; filename[i]; i++) {
212 switch (filename[i]) {
213 case ' ':
214 case '"':
215 case '\\':
216 monitor_printf(mon, "\\%c", filename[i]);
217 break;
218 case '\t':
219 monitor_printf(mon, "\\t");
220 break;
221 case '\r':
222 monitor_printf(mon, "\\r");
223 break;
224 case '\n':
225 monitor_printf(mon, "\\n");
226 break;
227 default:
228 monitor_printf(mon, "%c", filename[i]);
229 break;
230 }
231 }
232 }
233
234 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
235 {
236 va_list ap;
237 va_start(ap, fmt);
238 monitor_vprintf((Monitor *)stream, fmt, ap);
239 va_end(ap);
240 return 0;
241 }
242
243 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
244
245 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
246 {
247 return cmd->user_print != NULL;
248 }
249
250 static inline int monitor_has_error(const Monitor *mon)
251 {
252 return mon->error != NULL;
253 }
254
255 static void monitor_print_qobject(Monitor *mon, const QObject *data)
256 {
257 switch (qobject_type(data)) {
258 case QTYPE_QSTRING:
259 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
260 break;
261 case QTYPE_QINT:
262 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
263 break;
264 default:
265 monitor_printf(mon, "ERROR: unsupported type: %d",
266 qobject_type(data));
267 break;
268 }
269
270 monitor_puts(mon, "\n");
271 }
272
273 static void monitor_json_emitter(Monitor *mon, const QObject *data)
274 {
275 QString *json;
276
277 json = qobject_to_json(data);
278 assert(json != NULL);
279
280 mon->mc->print_enabled = 1;
281 monitor_printf(mon, "%s\n", qstring_get_str(json));
282 mon->mc->print_enabled = 0;
283
284 QDECREF(json);
285 }
286
287 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
288 {
289 QDict *qmp;
290
291 qmp = qdict_new();
292
293 if (!monitor_has_error(mon)) {
294 /* success response */
295 if (data) {
296 qobject_incref(data);
297 qdict_put_obj(qmp, "return", data);
298 } else {
299 qdict_put(qmp, "return", qstring_from_str("OK"));
300 }
301 } else {
302 /* error response */
303 qdict_put(qmp, "error", mon->error->error);
304 QINCREF(mon->error->error);
305 QDECREF(mon->error);
306 mon->error = NULL;
307 }
308
309 if (mon->mc->id) {
310 qdict_put_obj(qmp, "id", mon->mc->id);
311 mon->mc->id = NULL;
312 }
313
314 monitor_json_emitter(mon, QOBJECT(qmp));
315 QDECREF(qmp);
316 }
317
318 static void timestamp_put(QDict *qdict)
319 {
320 int err;
321 QObject *obj;
322 struct timeval tv;
323
324 err = gettimeofday(&tv, NULL);
325 if (err < 0)
326 return;
327
328 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
329 "'microseconds': %" PRId64 " }",
330 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
331 assert(obj != NULL);
332
333 qdict_put_obj(qdict, "timestamp", obj);
334 }
335
336 /**
337 * monitor_protocol_event(): Generate a Monitor event
338 *
339 * Event-specific data can be emitted through the (optional) 'data' parameter.
340 */
341 void monitor_protocol_event(MonitorEvent event, QObject *data)
342 {
343 QDict *qmp;
344 const char *event_name;
345 Monitor *mon = cur_mon;
346
347 assert(event < EVENT_MAX);
348
349 if (!monitor_ctrl_mode(mon))
350 return;
351
352 switch (event) {
353 case EVENT_DEBUG:
354 event_name = "DEBUG";
355 break;
356 case EVENT_SHUTDOWN:
357 event_name = "SHUTDOWN";
358 break;
359 case EVENT_RESET:
360 event_name = "RESET";
361 break;
362 case EVENT_POWERDOWN:
363 event_name = "POWERDOWN";
364 break;
365 case EVENT_STOP:
366 event_name = "STOP";
367 break;
368 default:
369 abort();
370 break;
371 }
372
373 qmp = qdict_new();
374 timestamp_put(qmp);
375 qdict_put(qmp, "event", qstring_from_str(event_name));
376 if (data)
377 qdict_put_obj(qmp, "data", data);
378
379 monitor_json_emitter(mon, QOBJECT(qmp));
380 QDECREF(qmp);
381 }
382
383 static int compare_cmd(const char *name, const char *list)
384 {
385 const char *p, *pstart;
386 int len;
387 len = strlen(name);
388 p = list;
389 for(;;) {
390 pstart = p;
391 p = strchr(p, '|');
392 if (!p)
393 p = pstart + strlen(pstart);
394 if ((p - pstart) == len && !memcmp(pstart, name, len))
395 return 1;
396 if (*p == '\0')
397 break;
398 p++;
399 }
400 return 0;
401 }
402
403 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
404 const char *prefix, const char *name)
405 {
406 const mon_cmd_t *cmd;
407
408 for(cmd = cmds; cmd->name != NULL; cmd++) {
409 if (!name || !strcmp(name, cmd->name))
410 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
411 cmd->params, cmd->help);
412 }
413 }
414
415 static void help_cmd(Monitor *mon, const char *name)
416 {
417 if (name && !strcmp(name, "info")) {
418 help_cmd_dump(mon, info_cmds, "info ", NULL);
419 } else {
420 help_cmd_dump(mon, mon_cmds, "", name);
421 if (name && !strcmp(name, "log")) {
422 const CPULogItem *item;
423 monitor_printf(mon, "Log items (comma separated):\n");
424 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
425 for(item = cpu_log_items; item->mask != 0; item++) {
426 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
427 }
428 }
429 }
430 }
431
432 static void do_help_cmd(Monitor *mon, const QDict *qdict)
433 {
434 help_cmd(mon, qdict_get_try_str(qdict, "name"));
435 }
436
437 static void do_commit(Monitor *mon, const QDict *qdict)
438 {
439 int all_devices;
440 DriveInfo *dinfo;
441 const char *device = qdict_get_str(qdict, "device");
442
443 all_devices = !strcmp(device, "all");
444 QTAILQ_FOREACH(dinfo, &drives, next) {
445 if (!all_devices)
446 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
447 continue;
448 bdrv_commit(dinfo->bdrv);
449 }
450 }
451
452 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
453 {
454 const mon_cmd_t *cmd;
455 const char *item = qdict_get_try_str(qdict, "item");
456
457 if (!item) {
458 assert(monitor_ctrl_mode(mon) == 0);
459 goto help;
460 }
461
462 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
463 if (compare_cmd(item, cmd->name))
464 break;
465 }
466
467 if (cmd->name == NULL) {
468 if (monitor_ctrl_mode(mon)) {
469 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
470 return;
471 }
472 goto help;
473 }
474
475 if (monitor_handler_ported(cmd)) {
476 cmd->mhandler.info_new(mon, ret_data);
477
478 if (!monitor_ctrl_mode(mon)) {
479 /*
480 * User Protocol function is called here, Monitor Protocol is
481 * handled by monitor_call_handler()
482 */
483 if (*ret_data)
484 cmd->user_print(mon, *ret_data);
485 }
486 } else {
487 if (monitor_ctrl_mode(mon)) {
488 /* handler not converted yet */
489 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
490 } else {
491 cmd->mhandler.info(mon);
492 }
493 }
494
495 return;
496
497 help:
498 help_cmd(mon, "info");
499 }
500
501 /**
502 * do_info_version(): Show QEMU version
503 */
504 static void do_info_version(Monitor *mon, QObject **ret_data)
505 {
506 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
507 }
508
509 static void do_info_name(Monitor *mon)
510 {
511 if (qemu_name)
512 monitor_printf(mon, "%s\n", qemu_name);
513 }
514
515 /**
516 * do_info_commands(): List QMP available commands
517 *
518 * Return a QList of QStrings.
519 */
520 static void do_info_commands(Monitor *mon, QObject **ret_data)
521 {
522 QList *cmd_list;
523 const mon_cmd_t *cmd;
524
525 cmd_list = qlist_new();
526
527 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
528 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
529 qlist_append(cmd_list, qstring_from_str(cmd->name));
530 }
531 }
532
533 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
534 if (monitor_handler_ported(cmd)) {
535 char buf[128];
536 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
537 qlist_append(cmd_list, qstring_from_str(buf));
538 }
539 }
540
541 *ret_data = QOBJECT(cmd_list);
542 }
543
544 #if defined(TARGET_I386)
545 static void do_info_hpet(Monitor *mon)
546 {
547 monitor_printf(mon, "HPET is %s by QEMU\n",
548 (no_hpet) ? "disabled" : "enabled");
549 }
550 #endif
551
552 static void do_info_uuid(Monitor *mon)
553 {
554 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
555 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
556 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
557 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
558 qemu_uuid[14], qemu_uuid[15]);
559 }
560
561 /* get the current CPU defined by the user */
562 static int mon_set_cpu(int cpu_index)
563 {
564 CPUState *env;
565
566 for(env = first_cpu; env != NULL; env = env->next_cpu) {
567 if (env->cpu_index == cpu_index) {
568 cur_mon->mon_cpu = env;
569 return 0;
570 }
571 }
572 return -1;
573 }
574
575 static CPUState *mon_get_cpu(void)
576 {
577 if (!cur_mon->mon_cpu) {
578 mon_set_cpu(0);
579 }
580 cpu_synchronize_state(cur_mon->mon_cpu);
581 return cur_mon->mon_cpu;
582 }
583
584 static void do_info_registers(Monitor *mon)
585 {
586 CPUState *env;
587 env = mon_get_cpu();
588 if (!env)
589 return;
590 #ifdef TARGET_I386
591 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
592 X86_DUMP_FPU);
593 #else
594 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
595 0);
596 #endif
597 }
598
599 static void print_cpu_iter(QObject *obj, void *opaque)
600 {
601 QDict *cpu;
602 int active = ' ';
603 Monitor *mon = opaque;
604
605 assert(qobject_type(obj) == QTYPE_QDICT);
606 cpu = qobject_to_qdict(obj);
607
608 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
609 active = '*';
610
611 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
612
613 #if defined(TARGET_I386)
614 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
615 (target_ulong) qdict_get_int(cpu, "pc"));
616 #elif defined(TARGET_PPC)
617 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
618 (target_long) qdict_get_int(cpu, "nip"));
619 #elif defined(TARGET_SPARC)
620 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
621 (target_long) qdict_get_int(cpu, "pc"));
622 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
623 (target_long) qdict_get_int(cpu, "npc"));
624 #elif defined(TARGET_MIPS)
625 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
626 (target_long) qdict_get_int(cpu, "PC"));
627 #endif
628
629 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
630 monitor_printf(mon, " (halted)");
631
632 monitor_printf(mon, "\n");
633 }
634
635 static void monitor_print_cpus(Monitor *mon, const QObject *data)
636 {
637 QList *cpu_list;
638
639 assert(qobject_type(data) == QTYPE_QLIST);
640 cpu_list = qobject_to_qlist(data);
641 qlist_iter(cpu_list, print_cpu_iter, mon);
642 }
643
644 /**
645 * do_info_cpus(): Show CPU information
646 *
647 * Return a QList with a QDict for each CPU.
648 *
649 * For example:
650 *
651 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
652 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
653 */
654 static void do_info_cpus(Monitor *mon, QObject **ret_data)
655 {
656 CPUState *env;
657 QList *cpu_list;
658
659 cpu_list = qlist_new();
660
661 /* just to set the default cpu if not already done */
662 mon_get_cpu();
663
664 for(env = first_cpu; env != NULL; env = env->next_cpu) {
665 const char *answer;
666 QDict *cpu = qdict_new();
667
668 cpu_synchronize_state(env);
669
670 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
671 answer = (env == mon->mon_cpu) ? "yes" : "no";
672 qdict_put(cpu, "current", qstring_from_str(answer));
673
674 #if defined(TARGET_I386)
675 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
676 #elif defined(TARGET_PPC)
677 qdict_put(cpu, "nip", qint_from_int(env->nip));
678 #elif defined(TARGET_SPARC)
679 qdict_put(cpu, "pc", qint_from_int(env->pc));
680 qdict_put(cpu, "npc", qint_from_int(env->npc));
681 #elif defined(TARGET_MIPS)
682 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
683 #endif
684 answer = env->halted ? "yes" : "no";
685 qdict_put(cpu, "halted", qstring_from_str(answer));
686
687 qlist_append(cpu_list, cpu);
688 }
689
690 *ret_data = QOBJECT(cpu_list);
691 }
692
693 static void do_cpu_set(Monitor *mon, const QDict *qdict)
694 {
695 int index = qdict_get_int(qdict, "index");
696 if (mon_set_cpu(index) < 0)
697 monitor_printf(mon, "Invalid CPU index\n");
698 }
699
700 static void do_info_jit(Monitor *mon)
701 {
702 dump_exec_info((FILE *)mon, monitor_fprintf);
703 }
704
705 static void do_info_history(Monitor *mon)
706 {
707 int i;
708 const char *str;
709
710 if (!mon->rs)
711 return;
712 i = 0;
713 for(;;) {
714 str = readline_get_history(mon->rs, i);
715 if (!str)
716 break;
717 monitor_printf(mon, "%d: '%s'\n", i, str);
718 i++;
719 }
720 }
721
722 #if defined(TARGET_PPC)
723 /* XXX: not implemented in other targets */
724 static void do_info_cpu_stats(Monitor *mon)
725 {
726 CPUState *env;
727
728 env = mon_get_cpu();
729 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
730 }
731 #endif
732
733 /**
734 * do_quit(): Quit QEMU execution
735 */
736 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
737 {
738 exit(0);
739 }
740
741 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
742 {
743 if (bdrv_is_inserted(bs)) {
744 if (!force) {
745 if (!bdrv_is_removable(bs)) {
746 monitor_printf(mon, "device is not removable\n");
747 return -1;
748 }
749 if (bdrv_is_locked(bs)) {
750 monitor_printf(mon, "device is locked\n");
751 return -1;
752 }
753 }
754 bdrv_close(bs);
755 }
756 return 0;
757 }
758
759 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
760 {
761 BlockDriverState *bs;
762 int force = qdict_get_int(qdict, "force");
763 const char *filename = qdict_get_str(qdict, "filename");
764
765 bs = bdrv_find(filename);
766 if (!bs) {
767 monitor_printf(mon, "device not found\n");
768 return;
769 }
770 eject_device(mon, bs, force);
771 }
772
773 static void do_change_block(Monitor *mon, const char *device,
774 const char *filename, const char *fmt)
775 {
776 BlockDriverState *bs;
777 BlockDriver *drv = NULL;
778
779 bs = bdrv_find(device);
780 if (!bs) {
781 monitor_printf(mon, "device not found\n");
782 return;
783 }
784 if (fmt) {
785 drv = bdrv_find_whitelisted_format(fmt);
786 if (!drv) {
787 monitor_printf(mon, "invalid format %s\n", fmt);
788 return;
789 }
790 }
791 if (eject_device(mon, bs, 0) < 0)
792 return;
793 bdrv_open2(bs, filename, 0, drv);
794 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
795 }
796
797 static void change_vnc_password_cb(Monitor *mon, const char *password,
798 void *opaque)
799 {
800 if (vnc_display_password(NULL, password) < 0)
801 monitor_printf(mon, "could not set VNC server password\n");
802
803 monitor_read_command(mon, 1);
804 }
805
806 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
807 {
808 if (strcmp(target, "passwd") == 0 ||
809 strcmp(target, "password") == 0) {
810 if (arg) {
811 char password[9];
812 strncpy(password, arg, sizeof(password));
813 password[sizeof(password) - 1] = '\0';
814 change_vnc_password_cb(mon, password, NULL);
815 } else {
816 monitor_read_password(mon, change_vnc_password_cb, NULL);
817 }
818 } else {
819 if (vnc_display_open(NULL, target) < 0)
820 monitor_printf(mon, "could not start VNC server on %s\n", target);
821 }
822 }
823
824 static void do_change(Monitor *mon, const QDict *qdict)
825 {
826 const char *device = qdict_get_str(qdict, "device");
827 const char *target = qdict_get_str(qdict, "target");
828 const char *arg = qdict_get_try_str(qdict, "arg");
829 if (strcmp(device, "vnc") == 0) {
830 do_change_vnc(mon, target, arg);
831 } else {
832 do_change_block(mon, device, target, arg);
833 }
834 }
835
836 static void do_screen_dump(Monitor *mon, const QDict *qdict)
837 {
838 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
839 }
840
841 static void do_logfile(Monitor *mon, const QDict *qdict)
842 {
843 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
844 }
845
846 static void do_log(Monitor *mon, const QDict *qdict)
847 {
848 int mask;
849 const char *items = qdict_get_str(qdict, "items");
850
851 if (!strcmp(items, "none")) {
852 mask = 0;
853 } else {
854 mask = cpu_str_to_log_mask(items);
855 if (!mask) {
856 help_cmd(mon, "log");
857 return;
858 }
859 }
860 cpu_set_log(mask);
861 }
862
863 static void do_singlestep(Monitor *mon, const QDict *qdict)
864 {
865 const char *option = qdict_get_try_str(qdict, "option");
866 if (!option || !strcmp(option, "on")) {
867 singlestep = 1;
868 } else if (!strcmp(option, "off")) {
869 singlestep = 0;
870 } else {
871 monitor_printf(mon, "unexpected option %s\n", option);
872 }
873 }
874
875 /**
876 * do_stop(): Stop VM execution
877 */
878 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
879 {
880 vm_stop(EXCP_INTERRUPT);
881 }
882
883 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
884
885 struct bdrv_iterate_context {
886 Monitor *mon;
887 int err;
888 };
889
890 /**
891 * do_cont(): Resume emulation.
892 */
893 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
894 {
895 struct bdrv_iterate_context context = { mon, 0 };
896
897 bdrv_iterate(encrypted_bdrv_it, &context);
898 /* only resume the vm if all keys are set and valid */
899 if (!context.err)
900 vm_start();
901 }
902
903 static void bdrv_key_cb(void *opaque, int err)
904 {
905 Monitor *mon = opaque;
906
907 /* another key was set successfully, retry to continue */
908 if (!err)
909 do_cont(mon, NULL, NULL);
910 }
911
912 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
913 {
914 struct bdrv_iterate_context *context = opaque;
915
916 if (!context->err && bdrv_key_required(bs)) {
917 context->err = -EBUSY;
918 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
919 context->mon);
920 }
921 }
922
923 static void do_gdbserver(Monitor *mon, const QDict *qdict)
924 {
925 const char *device = qdict_get_try_str(qdict, "device");
926 if (!device)
927 device = "tcp::" DEFAULT_GDBSTUB_PORT;
928 if (gdbserver_start(device) < 0) {
929 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
930 device);
931 } else if (strcmp(device, "none") == 0) {
932 monitor_printf(mon, "Disabled gdbserver\n");
933 } else {
934 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
935 device);
936 }
937 }
938
939 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
940 {
941 const char *action = qdict_get_str(qdict, "action");
942 if (select_watchdog_action(action) == -1) {
943 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
944 }
945 }
946
947 static void monitor_printc(Monitor *mon, int c)
948 {
949 monitor_printf(mon, "'");
950 switch(c) {
951 case '\'':
952 monitor_printf(mon, "\\'");
953 break;
954 case '\\':
955 monitor_printf(mon, "\\\\");
956 break;
957 case '\n':
958 monitor_printf(mon, "\\n");
959 break;
960 case '\r':
961 monitor_printf(mon, "\\r");
962 break;
963 default:
964 if (c >= 32 && c <= 126) {
965 monitor_printf(mon, "%c", c);
966 } else {
967 monitor_printf(mon, "\\x%02x", c);
968 }
969 break;
970 }
971 monitor_printf(mon, "'");
972 }
973
974 static void memory_dump(Monitor *mon, int count, int format, int wsize,
975 target_phys_addr_t addr, int is_physical)
976 {
977 CPUState *env;
978 int nb_per_line, l, line_size, i, max_digits, len;
979 uint8_t buf[16];
980 uint64_t v;
981
982 if (format == 'i') {
983 int flags;
984 flags = 0;
985 env = mon_get_cpu();
986 if (!env && !is_physical)
987 return;
988 #ifdef TARGET_I386
989 if (wsize == 2) {
990 flags = 1;
991 } else if (wsize == 4) {
992 flags = 0;
993 } else {
994 /* as default we use the current CS size */
995 flags = 0;
996 if (env) {
997 #ifdef TARGET_X86_64
998 if ((env->efer & MSR_EFER_LMA) &&
999 (env->segs[R_CS].flags & DESC_L_MASK))
1000 flags = 2;
1001 else
1002 #endif
1003 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1004 flags = 1;
1005 }
1006 }
1007 #endif
1008 monitor_disas(mon, env, addr, count, is_physical, flags);
1009 return;
1010 }
1011
1012 len = wsize * count;
1013 if (wsize == 1)
1014 line_size = 8;
1015 else
1016 line_size = 16;
1017 nb_per_line = line_size / wsize;
1018 max_digits = 0;
1019
1020 switch(format) {
1021 case 'o':
1022 max_digits = (wsize * 8 + 2) / 3;
1023 break;
1024 default:
1025 case 'x':
1026 max_digits = (wsize * 8) / 4;
1027 break;
1028 case 'u':
1029 case 'd':
1030 max_digits = (wsize * 8 * 10 + 32) / 33;
1031 break;
1032 case 'c':
1033 wsize = 1;
1034 break;
1035 }
1036
1037 while (len > 0) {
1038 if (is_physical)
1039 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1040 else
1041 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1042 l = len;
1043 if (l > line_size)
1044 l = line_size;
1045 if (is_physical) {
1046 cpu_physical_memory_rw(addr, buf, l, 0);
1047 } else {
1048 env = mon_get_cpu();
1049 if (!env)
1050 break;
1051 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1052 monitor_printf(mon, " Cannot access memory\n");
1053 break;
1054 }
1055 }
1056 i = 0;
1057 while (i < l) {
1058 switch(wsize) {
1059 default:
1060 case 1:
1061 v = ldub_raw(buf + i);
1062 break;
1063 case 2:
1064 v = lduw_raw(buf + i);
1065 break;
1066 case 4:
1067 v = (uint32_t)ldl_raw(buf + i);
1068 break;
1069 case 8:
1070 v = ldq_raw(buf + i);
1071 break;
1072 }
1073 monitor_printf(mon, " ");
1074 switch(format) {
1075 case 'o':
1076 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1077 break;
1078 case 'x':
1079 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1080 break;
1081 case 'u':
1082 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1083 break;
1084 case 'd':
1085 monitor_printf(mon, "%*" PRId64, max_digits, v);
1086 break;
1087 case 'c':
1088 monitor_printc(mon, v);
1089 break;
1090 }
1091 i += wsize;
1092 }
1093 monitor_printf(mon, "\n");
1094 addr += l;
1095 len -= l;
1096 }
1097 }
1098
1099 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1100 {
1101 int count = qdict_get_int(qdict, "count");
1102 int format = qdict_get_int(qdict, "format");
1103 int size = qdict_get_int(qdict, "size");
1104 target_long addr = qdict_get_int(qdict, "addr");
1105
1106 memory_dump(mon, count, format, size, addr, 0);
1107 }
1108
1109 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1110 {
1111 int count = qdict_get_int(qdict, "count");
1112 int format = qdict_get_int(qdict, "format");
1113 int size = qdict_get_int(qdict, "size");
1114 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1115
1116 memory_dump(mon, count, format, size, addr, 1);
1117 }
1118
1119 static void do_print(Monitor *mon, const QDict *qdict)
1120 {
1121 int format = qdict_get_int(qdict, "format");
1122 target_phys_addr_t val = qdict_get_int(qdict, "val");
1123
1124 #if TARGET_PHYS_ADDR_BITS == 32
1125 switch(format) {
1126 case 'o':
1127 monitor_printf(mon, "%#o", val);
1128 break;
1129 case 'x':
1130 monitor_printf(mon, "%#x", val);
1131 break;
1132 case 'u':
1133 monitor_printf(mon, "%u", val);
1134 break;
1135 default:
1136 case 'd':
1137 monitor_printf(mon, "%d", val);
1138 break;
1139 case 'c':
1140 monitor_printc(mon, val);
1141 break;
1142 }
1143 #else
1144 switch(format) {
1145 case 'o':
1146 monitor_printf(mon, "%#" PRIo64, val);
1147 break;
1148 case 'x':
1149 monitor_printf(mon, "%#" PRIx64, val);
1150 break;
1151 case 'u':
1152 monitor_printf(mon, "%" PRIu64, val);
1153 break;
1154 default:
1155 case 'd':
1156 monitor_printf(mon, "%" PRId64, val);
1157 break;
1158 case 'c':
1159 monitor_printc(mon, val);
1160 break;
1161 }
1162 #endif
1163 monitor_printf(mon, "\n");
1164 }
1165
1166 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1167 {
1168 FILE *f;
1169 uint32_t size = qdict_get_int(qdict, "size");
1170 const char *filename = qdict_get_str(qdict, "filename");
1171 target_long addr = qdict_get_int(qdict, "val");
1172 uint32_t l;
1173 CPUState *env;
1174 uint8_t buf[1024];
1175
1176 env = mon_get_cpu();
1177 if (!env)
1178 return;
1179
1180 f = fopen(filename, "wb");
1181 if (!f) {
1182 monitor_printf(mon, "could not open '%s'\n", filename);
1183 return;
1184 }
1185 while (size != 0) {
1186 l = sizeof(buf);
1187 if (l > size)
1188 l = size;
1189 cpu_memory_rw_debug(env, addr, buf, l, 0);
1190 fwrite(buf, 1, l, f);
1191 addr += l;
1192 size -= l;
1193 }
1194 fclose(f);
1195 }
1196
1197 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1198 QObject **ret_data)
1199 {
1200 FILE *f;
1201 uint32_t l;
1202 uint8_t buf[1024];
1203 uint32_t size = qdict_get_int(qdict, "size");
1204 const char *filename = qdict_get_str(qdict, "filename");
1205 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1206
1207 f = fopen(filename, "wb");
1208 if (!f) {
1209 monitor_printf(mon, "could not open '%s'\n", filename);
1210 return;
1211 }
1212 while (size != 0) {
1213 l = sizeof(buf);
1214 if (l > size)
1215 l = size;
1216 cpu_physical_memory_rw(addr, buf, l, 0);
1217 fwrite(buf, 1, l, f);
1218 fflush(f);
1219 addr += l;
1220 size -= l;
1221 }
1222 fclose(f);
1223 }
1224
1225 static void do_sum(Monitor *mon, const QDict *qdict)
1226 {
1227 uint32_t addr;
1228 uint8_t buf[1];
1229 uint16_t sum;
1230 uint32_t start = qdict_get_int(qdict, "start");
1231 uint32_t size = qdict_get_int(qdict, "size");
1232
1233 sum = 0;
1234 for(addr = start; addr < (start + size); addr++) {
1235 cpu_physical_memory_rw(addr, buf, 1, 0);
1236 /* BSD sum algorithm ('sum' Unix command) */
1237 sum = (sum >> 1) | (sum << 15);
1238 sum += buf[0];
1239 }
1240 monitor_printf(mon, "%05d\n", sum);
1241 }
1242
1243 typedef struct {
1244 int keycode;
1245 const char *name;
1246 } KeyDef;
1247
1248 static const KeyDef key_defs[] = {
1249 { 0x2a, "shift" },
1250 { 0x36, "shift_r" },
1251
1252 { 0x38, "alt" },
1253 { 0xb8, "alt_r" },
1254 { 0x64, "altgr" },
1255 { 0xe4, "altgr_r" },
1256 { 0x1d, "ctrl" },
1257 { 0x9d, "ctrl_r" },
1258
1259 { 0xdd, "menu" },
1260
1261 { 0x01, "esc" },
1262
1263 { 0x02, "1" },
1264 { 0x03, "2" },
1265 { 0x04, "3" },
1266 { 0x05, "4" },
1267 { 0x06, "5" },
1268 { 0x07, "6" },
1269 { 0x08, "7" },
1270 { 0x09, "8" },
1271 { 0x0a, "9" },
1272 { 0x0b, "0" },
1273 { 0x0c, "minus" },
1274 { 0x0d, "equal" },
1275 { 0x0e, "backspace" },
1276
1277 { 0x0f, "tab" },
1278 { 0x10, "q" },
1279 { 0x11, "w" },
1280 { 0x12, "e" },
1281 { 0x13, "r" },
1282 { 0x14, "t" },
1283 { 0x15, "y" },
1284 { 0x16, "u" },
1285 { 0x17, "i" },
1286 { 0x18, "o" },
1287 { 0x19, "p" },
1288
1289 { 0x1c, "ret" },
1290
1291 { 0x1e, "a" },
1292 { 0x1f, "s" },
1293 { 0x20, "d" },
1294 { 0x21, "f" },
1295 { 0x22, "g" },
1296 { 0x23, "h" },
1297 { 0x24, "j" },
1298 { 0x25, "k" },
1299 { 0x26, "l" },
1300
1301 { 0x2c, "z" },
1302 { 0x2d, "x" },
1303 { 0x2e, "c" },
1304 { 0x2f, "v" },
1305 { 0x30, "b" },
1306 { 0x31, "n" },
1307 { 0x32, "m" },
1308 { 0x33, "comma" },
1309 { 0x34, "dot" },
1310 { 0x35, "slash" },
1311
1312 { 0x37, "asterisk" },
1313
1314 { 0x39, "spc" },
1315 { 0x3a, "caps_lock" },
1316 { 0x3b, "f1" },
1317 { 0x3c, "f2" },
1318 { 0x3d, "f3" },
1319 { 0x3e, "f4" },
1320 { 0x3f, "f5" },
1321 { 0x40, "f6" },
1322 { 0x41, "f7" },
1323 { 0x42, "f8" },
1324 { 0x43, "f9" },
1325 { 0x44, "f10" },
1326 { 0x45, "num_lock" },
1327 { 0x46, "scroll_lock" },
1328
1329 { 0xb5, "kp_divide" },
1330 { 0x37, "kp_multiply" },
1331 { 0x4a, "kp_subtract" },
1332 { 0x4e, "kp_add" },
1333 { 0x9c, "kp_enter" },
1334 { 0x53, "kp_decimal" },
1335 { 0x54, "sysrq" },
1336
1337 { 0x52, "kp_0" },
1338 { 0x4f, "kp_1" },
1339 { 0x50, "kp_2" },
1340 { 0x51, "kp_3" },
1341 { 0x4b, "kp_4" },
1342 { 0x4c, "kp_5" },
1343 { 0x4d, "kp_6" },
1344 { 0x47, "kp_7" },
1345 { 0x48, "kp_8" },
1346 { 0x49, "kp_9" },
1347
1348 { 0x56, "<" },
1349
1350 { 0x57, "f11" },
1351 { 0x58, "f12" },
1352
1353 { 0xb7, "print" },
1354
1355 { 0xc7, "home" },
1356 { 0xc9, "pgup" },
1357 { 0xd1, "pgdn" },
1358 { 0xcf, "end" },
1359
1360 { 0xcb, "left" },
1361 { 0xc8, "up" },
1362 { 0xd0, "down" },
1363 { 0xcd, "right" },
1364
1365 { 0xd2, "insert" },
1366 { 0xd3, "delete" },
1367 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1368 { 0xf0, "stop" },
1369 { 0xf1, "again" },
1370 { 0xf2, "props" },
1371 { 0xf3, "undo" },
1372 { 0xf4, "front" },
1373 { 0xf5, "copy" },
1374 { 0xf6, "open" },
1375 { 0xf7, "paste" },
1376 { 0xf8, "find" },
1377 { 0xf9, "cut" },
1378 { 0xfa, "lf" },
1379 { 0xfb, "help" },
1380 { 0xfc, "meta_l" },
1381 { 0xfd, "meta_r" },
1382 { 0xfe, "compose" },
1383 #endif
1384 { 0, NULL },
1385 };
1386
1387 static int get_keycode(const char *key)
1388 {
1389 const KeyDef *p;
1390 char *endp;
1391 int ret;
1392
1393 for(p = key_defs; p->name != NULL; p++) {
1394 if (!strcmp(key, p->name))
1395 return p->keycode;
1396 }
1397 if (strstart(key, "0x", NULL)) {
1398 ret = strtoul(key, &endp, 0);
1399 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1400 return ret;
1401 }
1402 return -1;
1403 }
1404
1405 #define MAX_KEYCODES 16
1406 static uint8_t keycodes[MAX_KEYCODES];
1407 static int nb_pending_keycodes;
1408 static QEMUTimer *key_timer;
1409
1410 static void release_keys(void *opaque)
1411 {
1412 int keycode;
1413
1414 while (nb_pending_keycodes > 0) {
1415 nb_pending_keycodes--;
1416 keycode = keycodes[nb_pending_keycodes];
1417 if (keycode & 0x80)
1418 kbd_put_keycode(0xe0);
1419 kbd_put_keycode(keycode | 0x80);
1420 }
1421 }
1422
1423 static void do_sendkey(Monitor *mon, const QDict *qdict)
1424 {
1425 char keyname_buf[16];
1426 char *separator;
1427 int keyname_len, keycode, i;
1428 const char *string = qdict_get_str(qdict, "string");
1429 int has_hold_time = qdict_haskey(qdict, "hold_time");
1430 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1431
1432 if (nb_pending_keycodes > 0) {
1433 qemu_del_timer(key_timer);
1434 release_keys(NULL);
1435 }
1436 if (!has_hold_time)
1437 hold_time = 100;
1438 i = 0;
1439 while (1) {
1440 separator = strchr(string, '-');
1441 keyname_len = separator ? separator - string : strlen(string);
1442 if (keyname_len > 0) {
1443 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1444 if (keyname_len > sizeof(keyname_buf) - 1) {
1445 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1446 return;
1447 }
1448 if (i == MAX_KEYCODES) {
1449 monitor_printf(mon, "too many keys\n");
1450 return;
1451 }
1452 keyname_buf[keyname_len] = 0;
1453 keycode = get_keycode(keyname_buf);
1454 if (keycode < 0) {
1455 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1456 return;
1457 }
1458 keycodes[i++] = keycode;
1459 }
1460 if (!separator)
1461 break;
1462 string = separator + 1;
1463 }
1464 nb_pending_keycodes = i;
1465 /* key down events */
1466 for (i = 0; i < nb_pending_keycodes; i++) {
1467 keycode = keycodes[i];
1468 if (keycode & 0x80)
1469 kbd_put_keycode(0xe0);
1470 kbd_put_keycode(keycode & 0x7f);
1471 }
1472 /* delayed key up events */
1473 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1474 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1475 }
1476
1477 static int mouse_button_state;
1478
1479 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1480 {
1481 int dx, dy, dz;
1482 const char *dx_str = qdict_get_str(qdict, "dx_str");
1483 const char *dy_str = qdict_get_str(qdict, "dy_str");
1484 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1485 dx = strtol(dx_str, NULL, 0);
1486 dy = strtol(dy_str, NULL, 0);
1487 dz = 0;
1488 if (dz_str)
1489 dz = strtol(dz_str, NULL, 0);
1490 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1491 }
1492
1493 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1494 {
1495 int button_state = qdict_get_int(qdict, "button_state");
1496 mouse_button_state = button_state;
1497 kbd_mouse_event(0, 0, 0, mouse_button_state);
1498 }
1499
1500 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1501 {
1502 int size = qdict_get_int(qdict, "size");
1503 int addr = qdict_get_int(qdict, "addr");
1504 int has_index = qdict_haskey(qdict, "index");
1505 uint32_t val;
1506 int suffix;
1507
1508 if (has_index) {
1509 int index = qdict_get_int(qdict, "index");
1510 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1511 addr++;
1512 }
1513 addr &= 0xffff;
1514
1515 switch(size) {
1516 default:
1517 case 1:
1518 val = cpu_inb(addr);
1519 suffix = 'b';
1520 break;
1521 case 2:
1522 val = cpu_inw(addr);
1523 suffix = 'w';
1524 break;
1525 case 4:
1526 val = cpu_inl(addr);
1527 suffix = 'l';
1528 break;
1529 }
1530 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1531 suffix, addr, size * 2, val);
1532 }
1533
1534 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1535 {
1536 int size = qdict_get_int(qdict, "size");
1537 int addr = qdict_get_int(qdict, "addr");
1538 int val = qdict_get_int(qdict, "val");
1539
1540 addr &= IOPORTS_MASK;
1541
1542 switch (size) {
1543 default:
1544 case 1:
1545 cpu_outb(addr, val);
1546 break;
1547 case 2:
1548 cpu_outw(addr, val);
1549 break;
1550 case 4:
1551 cpu_outl(addr, val);
1552 break;
1553 }
1554 }
1555
1556 static void do_boot_set(Monitor *mon, const QDict *qdict)
1557 {
1558 int res;
1559 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1560
1561 res = qemu_boot_set(bootdevice);
1562 if (res == 0) {
1563 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1564 } else if (res > 0) {
1565 monitor_printf(mon, "setting boot device list failed\n");
1566 } else {
1567 monitor_printf(mon, "no function defined to set boot device list for "
1568 "this architecture\n");
1569 }
1570 }
1571
1572 /**
1573 * do_system_reset(): Issue a machine reset
1574 */
1575 static void do_system_reset(Monitor *mon, const QDict *qdict,
1576 QObject **ret_data)
1577 {
1578 qemu_system_reset_request();
1579 }
1580
1581 /**
1582 * do_system_powerdown(): Issue a machine powerdown
1583 */
1584 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1585 QObject **ret_data)
1586 {
1587 qemu_system_powerdown_request();
1588 }
1589
1590 #if defined(TARGET_I386)
1591 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1592 {
1593 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1594 addr,
1595 pte & mask,
1596 pte & PG_GLOBAL_MASK ? 'G' : '-',
1597 pte & PG_PSE_MASK ? 'P' : '-',
1598 pte & PG_DIRTY_MASK ? 'D' : '-',
1599 pte & PG_ACCESSED_MASK ? 'A' : '-',
1600 pte & PG_PCD_MASK ? 'C' : '-',
1601 pte & PG_PWT_MASK ? 'T' : '-',
1602 pte & PG_USER_MASK ? 'U' : '-',
1603 pte & PG_RW_MASK ? 'W' : '-');
1604 }
1605
1606 static void tlb_info(Monitor *mon)
1607 {
1608 CPUState *env;
1609 int l1, l2;
1610 uint32_t pgd, pde, pte;
1611
1612 env = mon_get_cpu();
1613 if (!env)
1614 return;
1615
1616 if (!(env->cr[0] & CR0_PG_MASK)) {
1617 monitor_printf(mon, "PG disabled\n");
1618 return;
1619 }
1620 pgd = env->cr[3] & ~0xfff;
1621 for(l1 = 0; l1 < 1024; l1++) {
1622 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1623 pde = le32_to_cpu(pde);
1624 if (pde & PG_PRESENT_MASK) {
1625 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1626 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1627 } else {
1628 for(l2 = 0; l2 < 1024; l2++) {
1629 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1630 (uint8_t *)&pte, 4);
1631 pte = le32_to_cpu(pte);
1632 if (pte & PG_PRESENT_MASK) {
1633 print_pte(mon, (l1 << 22) + (l2 << 12),
1634 pte & ~PG_PSE_MASK,
1635 ~0xfff);
1636 }
1637 }
1638 }
1639 }
1640 }
1641 }
1642
1643 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1644 uint32_t end, int prot)
1645 {
1646 int prot1;
1647 prot1 = *plast_prot;
1648 if (prot != prot1) {
1649 if (*pstart != -1) {
1650 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1651 *pstart, end, end - *pstart,
1652 prot1 & PG_USER_MASK ? 'u' : '-',
1653 'r',
1654 prot1 & PG_RW_MASK ? 'w' : '-');
1655 }
1656 if (prot != 0)
1657 *pstart = end;
1658 else
1659 *pstart = -1;
1660 *plast_prot = prot;
1661 }
1662 }
1663
1664 static void mem_info(Monitor *mon)
1665 {
1666 CPUState *env;
1667 int l1, l2, prot, last_prot;
1668 uint32_t pgd, pde, pte, start, end;
1669
1670 env = mon_get_cpu();
1671 if (!env)
1672 return;
1673
1674 if (!(env->cr[0] & CR0_PG_MASK)) {
1675 monitor_printf(mon, "PG disabled\n");
1676 return;
1677 }
1678 pgd = env->cr[3] & ~0xfff;
1679 last_prot = 0;
1680 start = -1;
1681 for(l1 = 0; l1 < 1024; l1++) {
1682 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1683 pde = le32_to_cpu(pde);
1684 end = l1 << 22;
1685 if (pde & PG_PRESENT_MASK) {
1686 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1687 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1688 mem_print(mon, &start, &last_prot, end, prot);
1689 } else {
1690 for(l2 = 0; l2 < 1024; l2++) {
1691 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1692 (uint8_t *)&pte, 4);
1693 pte = le32_to_cpu(pte);
1694 end = (l1 << 22) + (l2 << 12);
1695 if (pte & PG_PRESENT_MASK) {
1696 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1697 } else {
1698 prot = 0;
1699 }
1700 mem_print(mon, &start, &last_prot, end, prot);
1701 }
1702 }
1703 } else {
1704 prot = 0;
1705 mem_print(mon, &start, &last_prot, end, prot);
1706 }
1707 }
1708 }
1709 #endif
1710
1711 #if defined(TARGET_SH4)
1712
1713 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1714 {
1715 monitor_printf(mon, " tlb%i:\t"
1716 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1717 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1718 "dirty=%hhu writethrough=%hhu\n",
1719 idx,
1720 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1721 tlb->v, tlb->sh, tlb->c, tlb->pr,
1722 tlb->d, tlb->wt);
1723 }
1724
1725 static void tlb_info(Monitor *mon)
1726 {
1727 CPUState *env = mon_get_cpu();
1728 int i;
1729
1730 monitor_printf (mon, "ITLB:\n");
1731 for (i = 0 ; i < ITLB_SIZE ; i++)
1732 print_tlb (mon, i, &env->itlb[i]);
1733 monitor_printf (mon, "UTLB:\n");
1734 for (i = 0 ; i < UTLB_SIZE ; i++)
1735 print_tlb (mon, i, &env->utlb[i]);
1736 }
1737
1738 #endif
1739
1740 static void do_info_kvm(Monitor *mon)
1741 {
1742 #ifdef CONFIG_KVM
1743 monitor_printf(mon, "kvm support: ");
1744 if (kvm_enabled())
1745 monitor_printf(mon, "enabled\n");
1746 else
1747 monitor_printf(mon, "disabled\n");
1748 #else
1749 monitor_printf(mon, "kvm support: not compiled\n");
1750 #endif
1751 }
1752
1753 static void do_info_numa(Monitor *mon)
1754 {
1755 int i;
1756 CPUState *env;
1757
1758 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1759 for (i = 0; i < nb_numa_nodes; i++) {
1760 monitor_printf(mon, "node %d cpus:", i);
1761 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1762 if (env->numa_node == i) {
1763 monitor_printf(mon, " %d", env->cpu_index);
1764 }
1765 }
1766 monitor_printf(mon, "\n");
1767 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1768 node_mem[i] >> 20);
1769 }
1770 }
1771
1772 #ifdef CONFIG_PROFILER
1773
1774 int64_t qemu_time;
1775 int64_t dev_time;
1776
1777 static void do_info_profile(Monitor *mon)
1778 {
1779 int64_t total;
1780 total = qemu_time;
1781 if (total == 0)
1782 total = 1;
1783 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1784 dev_time, dev_time / (double)get_ticks_per_sec());
1785 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1786 qemu_time, qemu_time / (double)get_ticks_per_sec());
1787 qemu_time = 0;
1788 dev_time = 0;
1789 }
1790 #else
1791 static void do_info_profile(Monitor *mon)
1792 {
1793 monitor_printf(mon, "Internal profiler not compiled\n");
1794 }
1795 #endif
1796
1797 /* Capture support */
1798 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1799
1800 static void do_info_capture(Monitor *mon)
1801 {
1802 int i;
1803 CaptureState *s;
1804
1805 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1806 monitor_printf(mon, "[%d]: ", i);
1807 s->ops.info (s->opaque);
1808 }
1809 }
1810
1811 #ifdef HAS_AUDIO
1812 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1813 {
1814 int i;
1815 int n = qdict_get_int(qdict, "n");
1816 CaptureState *s;
1817
1818 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1819 if (i == n) {
1820 s->ops.destroy (s->opaque);
1821 QLIST_REMOVE (s, entries);
1822 qemu_free (s);
1823 return;
1824 }
1825 }
1826 }
1827
1828 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1829 {
1830 const char *path = qdict_get_str(qdict, "path");
1831 int has_freq = qdict_haskey(qdict, "freq");
1832 int freq = qdict_get_try_int(qdict, "freq", -1);
1833 int has_bits = qdict_haskey(qdict, "bits");
1834 int bits = qdict_get_try_int(qdict, "bits", -1);
1835 int has_channels = qdict_haskey(qdict, "nchannels");
1836 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1837 CaptureState *s;
1838
1839 s = qemu_mallocz (sizeof (*s));
1840
1841 freq = has_freq ? freq : 44100;
1842 bits = has_bits ? bits : 16;
1843 nchannels = has_channels ? nchannels : 2;
1844
1845 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1846 monitor_printf(mon, "Faied to add wave capture\n");
1847 qemu_free (s);
1848 }
1849 QLIST_INSERT_HEAD (&capture_head, s, entries);
1850 }
1851 #endif
1852
1853 #if defined(TARGET_I386)
1854 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1855 {
1856 CPUState *env;
1857 int cpu_index = qdict_get_int(qdict, "cpu_index");
1858
1859 for (env = first_cpu; env != NULL; env = env->next_cpu)
1860 if (env->cpu_index == cpu_index) {
1861 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1862 break;
1863 }
1864 }
1865 #endif
1866
1867 static void do_info_status(Monitor *mon)
1868 {
1869 if (vm_running) {
1870 if (singlestep) {
1871 monitor_printf(mon, "VM status: running (single step mode)\n");
1872 } else {
1873 monitor_printf(mon, "VM status: running\n");
1874 }
1875 } else
1876 monitor_printf(mon, "VM status: paused\n");
1877 }
1878
1879 /**
1880 * do_balloon(): Request VM to change its memory allocation
1881 */
1882 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1883 {
1884 int value = qdict_get_int(qdict, "value");
1885 ram_addr_t target = value;
1886 qemu_balloon(target << 20);
1887 }
1888
1889 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1890 {
1891 monitor_printf(mon, "balloon: actual=%d\n",
1892 (int)qint_get_int(qobject_to_qint(data)));
1893 }
1894
1895 /**
1896 * do_info_balloon(): Balloon information
1897 */
1898 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1899 {
1900 ram_addr_t actual;
1901
1902 actual = qemu_balloon_status();
1903 if (kvm_enabled() && !kvm_has_sync_mmu())
1904 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1905 else if (actual == 0)
1906 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1907 else
1908 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1909 }
1910
1911 static qemu_acl *find_acl(Monitor *mon, const char *name)
1912 {
1913 qemu_acl *acl = qemu_acl_find(name);
1914
1915 if (!acl) {
1916 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1917 }
1918 return acl;
1919 }
1920
1921 static void do_acl_show(Monitor *mon, const QDict *qdict)
1922 {
1923 const char *aclname = qdict_get_str(qdict, "aclname");
1924 qemu_acl *acl = find_acl(mon, aclname);
1925 qemu_acl_entry *entry;
1926 int i = 0;
1927
1928 if (acl) {
1929 monitor_printf(mon, "policy: %s\n",
1930 acl->defaultDeny ? "deny" : "allow");
1931 QTAILQ_FOREACH(entry, &acl->entries, next) {
1932 i++;
1933 monitor_printf(mon, "%d: %s %s\n", i,
1934 entry->deny ? "deny" : "allow", entry->match);
1935 }
1936 }
1937 }
1938
1939 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1940 {
1941 const char *aclname = qdict_get_str(qdict, "aclname");
1942 qemu_acl *acl = find_acl(mon, aclname);
1943
1944 if (acl) {
1945 qemu_acl_reset(acl);
1946 monitor_printf(mon, "acl: removed all rules\n");
1947 }
1948 }
1949
1950 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1951 {
1952 const char *aclname = qdict_get_str(qdict, "aclname");
1953 const char *policy = qdict_get_str(qdict, "policy");
1954 qemu_acl *acl = find_acl(mon, aclname);
1955
1956 if (acl) {
1957 if (strcmp(policy, "allow") == 0) {
1958 acl->defaultDeny = 0;
1959 monitor_printf(mon, "acl: policy set to 'allow'\n");
1960 } else if (strcmp(policy, "deny") == 0) {
1961 acl->defaultDeny = 1;
1962 monitor_printf(mon, "acl: policy set to 'deny'\n");
1963 } else {
1964 monitor_printf(mon, "acl: unknown policy '%s', "
1965 "expected 'deny' or 'allow'\n", policy);
1966 }
1967 }
1968 }
1969
1970 static void do_acl_add(Monitor *mon, const QDict *qdict)
1971 {
1972 const char *aclname = qdict_get_str(qdict, "aclname");
1973 const char *match = qdict_get_str(qdict, "match");
1974 const char *policy = qdict_get_str(qdict, "policy");
1975 int has_index = qdict_haskey(qdict, "index");
1976 int index = qdict_get_try_int(qdict, "index", -1);
1977 qemu_acl *acl = find_acl(mon, aclname);
1978 int deny, ret;
1979
1980 if (acl) {
1981 if (strcmp(policy, "allow") == 0) {
1982 deny = 0;
1983 } else if (strcmp(policy, "deny") == 0) {
1984 deny = 1;
1985 } else {
1986 monitor_printf(mon, "acl: unknown policy '%s', "
1987 "expected 'deny' or 'allow'\n", policy);
1988 return;
1989 }
1990 if (has_index)
1991 ret = qemu_acl_insert(acl, deny, match, index);
1992 else
1993 ret = qemu_acl_append(acl, deny, match);
1994 if (ret < 0)
1995 monitor_printf(mon, "acl: unable to add acl entry\n");
1996 else
1997 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1998 }
1999 }
2000
2001 static void do_acl_remove(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 qemu_acl *acl = find_acl(mon, aclname);
2006 int ret;
2007
2008 if (acl) {
2009 ret = qemu_acl_remove(acl, match);
2010 if (ret < 0)
2011 monitor_printf(mon, "acl: no matching acl entry\n");
2012 else
2013 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2014 }
2015 }
2016
2017 #if defined(TARGET_I386)
2018 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2019 {
2020 CPUState *cenv;
2021 int cpu_index = qdict_get_int(qdict, "cpu_index");
2022 int bank = qdict_get_int(qdict, "bank");
2023 uint64_t status = qdict_get_int(qdict, "status");
2024 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2025 uint64_t addr = qdict_get_int(qdict, "addr");
2026 uint64_t misc = qdict_get_int(qdict, "misc");
2027
2028 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2029 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2030 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2031 break;
2032 }
2033 }
2034 #endif
2035
2036 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2037 {
2038 const char *fdname = qdict_get_str(qdict, "fdname");
2039 mon_fd_t *monfd;
2040 int fd;
2041
2042 fd = qemu_chr_get_msgfd(mon->chr);
2043 if (fd == -1) {
2044 monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2045 return;
2046 }
2047
2048 if (qemu_isdigit(fdname[0])) {
2049 monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2050 return;
2051 }
2052
2053 fd = dup(fd);
2054 if (fd == -1) {
2055 monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2056 strerror(errno));
2057 return;
2058 }
2059
2060 QLIST_FOREACH(monfd, &mon->fds, next) {
2061 if (strcmp(monfd->name, fdname) != 0) {
2062 continue;
2063 }
2064
2065 close(monfd->fd);
2066 monfd->fd = fd;
2067 return;
2068 }
2069
2070 monfd = qemu_mallocz(sizeof(mon_fd_t));
2071 monfd->name = qemu_strdup(fdname);
2072 monfd->fd = fd;
2073
2074 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2075 }
2076
2077 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2078 {
2079 const char *fdname = qdict_get_str(qdict, "fdname");
2080 mon_fd_t *monfd;
2081
2082 QLIST_FOREACH(monfd, &mon->fds, next) {
2083 if (strcmp(monfd->name, fdname) != 0) {
2084 continue;
2085 }
2086
2087 QLIST_REMOVE(monfd, next);
2088 close(monfd->fd);
2089 qemu_free(monfd->name);
2090 qemu_free(monfd);
2091 return;
2092 }
2093
2094 monitor_printf(mon, "Failed to find file descriptor named %s\n",
2095 fdname);
2096 }
2097
2098 static void do_loadvm(Monitor *mon, const QDict *qdict)
2099 {
2100 int saved_vm_running = vm_running;
2101 const char *name = qdict_get_str(qdict, "name");
2102
2103 vm_stop(0);
2104
2105 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2106 vm_start();
2107 }
2108
2109 int monitor_get_fd(Monitor *mon, const char *fdname)
2110 {
2111 mon_fd_t *monfd;
2112
2113 QLIST_FOREACH(monfd, &mon->fds, next) {
2114 int fd;
2115
2116 if (strcmp(monfd->name, fdname) != 0) {
2117 continue;
2118 }
2119
2120 fd = monfd->fd;
2121
2122 /* caller takes ownership of fd */
2123 QLIST_REMOVE(monfd, next);
2124 qemu_free(monfd->name);
2125 qemu_free(monfd);
2126
2127 return fd;
2128 }
2129
2130 return -1;
2131 }
2132
2133 static const mon_cmd_t mon_cmds[] = {
2134 #include "qemu-monitor.h"
2135 { NULL, NULL, },
2136 };
2137
2138 /* Please update qemu-monitor.hx when adding or changing commands */
2139 static const mon_cmd_t info_cmds[] = {
2140 {
2141 .name = "version",
2142 .args_type = "",
2143 .params = "",
2144 .help = "show the version of QEMU",
2145 .user_print = monitor_print_qobject,
2146 .mhandler.info_new = do_info_version,
2147 },
2148 {
2149 .name = "commands",
2150 .args_type = "",
2151 .params = "",
2152 .help = "list QMP available commands",
2153 .user_print = monitor_user_noop,
2154 .mhandler.info_new = do_info_commands,
2155 },
2156 {
2157 .name = "network",
2158 .args_type = "",
2159 .params = "",
2160 .help = "show the network state",
2161 .mhandler.info = do_info_network,
2162 },
2163 {
2164 .name = "chardev",
2165 .args_type = "",
2166 .params = "",
2167 .help = "show the character devices",
2168 .mhandler.info = qemu_chr_info,
2169 },
2170 {
2171 .name = "block",
2172 .args_type = "",
2173 .params = "",
2174 .help = "show the block devices",
2175 .mhandler.info = bdrv_info,
2176 },
2177 {
2178 .name = "blockstats",
2179 .args_type = "",
2180 .params = "",
2181 .help = "show block device statistics",
2182 .mhandler.info = bdrv_info_stats,
2183 },
2184 {
2185 .name = "registers",
2186 .args_type = "",
2187 .params = "",
2188 .help = "show the cpu registers",
2189 .mhandler.info = do_info_registers,
2190 },
2191 {
2192 .name = "cpus",
2193 .args_type = "",
2194 .params = "",
2195 .help = "show infos for each CPU",
2196 .user_print = monitor_print_cpus,
2197 .mhandler.info_new = do_info_cpus,
2198 },
2199 {
2200 .name = "history",
2201 .args_type = "",
2202 .params = "",
2203 .help = "show the command line history",
2204 .mhandler.info = do_info_history,
2205 },
2206 {
2207 .name = "irq",
2208 .args_type = "",
2209 .params = "",
2210 .help = "show the interrupts statistics (if available)",
2211 .mhandler.info = irq_info,
2212 },
2213 {
2214 .name = "pic",
2215 .args_type = "",
2216 .params = "",
2217 .help = "show i8259 (PIC) state",
2218 .mhandler.info = pic_info,
2219 },
2220 {
2221 .name = "pci",
2222 .args_type = "",
2223 .params = "",
2224 .help = "show PCI info",
2225 .mhandler.info = pci_info,
2226 },
2227 #if defined(TARGET_I386) || defined(TARGET_SH4)
2228 {
2229 .name = "tlb",
2230 .args_type = "",
2231 .params = "",
2232 .help = "show virtual to physical memory mappings",
2233 .mhandler.info = tlb_info,
2234 },
2235 #endif
2236 #if defined(TARGET_I386)
2237 {
2238 .name = "mem",
2239 .args_type = "",
2240 .params = "",
2241 .help = "show the active virtual memory mappings",
2242 .mhandler.info = mem_info,
2243 },
2244 {
2245 .name = "hpet",
2246 .args_type = "",
2247 .params = "",
2248 .help = "show state of HPET",
2249 .mhandler.info = do_info_hpet,
2250 },
2251 #endif
2252 {
2253 .name = "jit",
2254 .args_type = "",
2255 .params = "",
2256 .help = "show dynamic compiler info",
2257 .mhandler.info = do_info_jit,
2258 },
2259 {
2260 .name = "kvm",
2261 .args_type = "",
2262 .params = "",
2263 .help = "show KVM information",
2264 .mhandler.info = do_info_kvm,
2265 },
2266 {
2267 .name = "numa",
2268 .args_type = "",
2269 .params = "",
2270 .help = "show NUMA information",
2271 .mhandler.info = do_info_numa,
2272 },
2273 {
2274 .name = "usb",
2275 .args_type = "",
2276 .params = "",
2277 .help = "show guest USB devices",
2278 .mhandler.info = usb_info,
2279 },
2280 {
2281 .name = "usbhost",
2282 .args_type = "",
2283 .params = "",
2284 .help = "show host USB devices",
2285 .mhandler.info = usb_host_info,
2286 },
2287 {
2288 .name = "profile",
2289 .args_type = "",
2290 .params = "",
2291 .help = "show profiling information",
2292 .mhandler.info = do_info_profile,
2293 },
2294 {
2295 .name = "capture",
2296 .args_type = "",
2297 .params = "",
2298 .help = "show capture information",
2299 .mhandler.info = do_info_capture,
2300 },
2301 {
2302 .name = "snapshots",
2303 .args_type = "",
2304 .params = "",
2305 .help = "show the currently saved VM snapshots",
2306 .mhandler.info = do_info_snapshots,
2307 },
2308 {
2309 .name = "status",
2310 .args_type = "",
2311 .params = "",
2312 .help = "show the current VM status (running|paused)",
2313 .mhandler.info = do_info_status,
2314 },
2315 {
2316 .name = "pcmcia",
2317 .args_type = "",
2318 .params = "",
2319 .help = "show guest PCMCIA status",
2320 .mhandler.info = pcmcia_info,
2321 },
2322 {
2323 .name = "mice",
2324 .args_type = "",
2325 .params = "",
2326 .help = "show which guest mouse is receiving events",
2327 .mhandler.info = do_info_mice,
2328 },
2329 {
2330 .name = "vnc",
2331 .args_type = "",
2332 .params = "",
2333 .help = "show the vnc server status",
2334 .mhandler.info = do_info_vnc,
2335 },
2336 {
2337 .name = "name",
2338 .args_type = "",
2339 .params = "",
2340 .help = "show the current VM name",
2341 .mhandler.info = do_info_name,
2342 },
2343 {
2344 .name = "uuid",
2345 .args_type = "",
2346 .params = "",
2347 .help = "show the current VM UUID",
2348 .mhandler.info = do_info_uuid,
2349 },
2350 #if defined(TARGET_PPC)
2351 {
2352 .name = "cpustats",
2353 .args_type = "",
2354 .params = "",
2355 .help = "show CPU statistics",
2356 .mhandler.info = do_info_cpu_stats,
2357 },
2358 #endif
2359 #if defined(CONFIG_SLIRP)
2360 {
2361 .name = "usernet",
2362 .args_type = "",
2363 .params = "",
2364 .help = "show user network stack connection states",
2365 .mhandler.info = do_info_usernet,
2366 },
2367 #endif
2368 {
2369 .name = "migrate",
2370 .args_type = "",
2371 .params = "",
2372 .help = "show migration status",
2373 .mhandler.info = do_info_migrate,
2374 },
2375 {
2376 .name = "balloon",
2377 .args_type = "",
2378 .params = "",
2379 .help = "show balloon information",
2380 .user_print = monitor_print_balloon,
2381 .mhandler.info_new = do_info_balloon,
2382 },
2383 {
2384 .name = "qtree",
2385 .args_type = "",
2386 .params = "",
2387 .help = "show device tree",
2388 .mhandler.info = do_info_qtree,
2389 },
2390 {
2391 .name = "qdm",
2392 .args_type = "",
2393 .params = "",
2394 .help = "show qdev device model list",
2395 .mhandler.info = do_info_qdm,
2396 },
2397 {
2398 .name = "roms",
2399 .args_type = "",
2400 .params = "",
2401 .help = "show roms",
2402 .mhandler.info = do_info_roms,
2403 },
2404 {
2405 .name = NULL,
2406 },
2407 };
2408
2409 /*******************************************************************/
2410
2411 static const char *pch;
2412 static jmp_buf expr_env;
2413
2414 #define MD_TLONG 0
2415 #define MD_I32 1
2416
2417 typedef struct MonitorDef {
2418 const char *name;
2419 int offset;
2420 target_long (*get_value)(const struct MonitorDef *md, int val);
2421 int type;
2422 } MonitorDef;
2423
2424 #if defined(TARGET_I386)
2425 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2426 {
2427 CPUState *env = mon_get_cpu();
2428 if (!env)
2429 return 0;
2430 return env->eip + env->segs[R_CS].base;
2431 }
2432 #endif
2433
2434 #if defined(TARGET_PPC)
2435 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2436 {
2437 CPUState *env = mon_get_cpu();
2438 unsigned int u;
2439 int i;
2440
2441 if (!env)
2442 return 0;
2443
2444 u = 0;
2445 for (i = 0; i < 8; i++)
2446 u |= env->crf[i] << (32 - (4 * i));
2447
2448 return u;
2449 }
2450
2451 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2452 {
2453 CPUState *env = mon_get_cpu();
2454 if (!env)
2455 return 0;
2456 return env->msr;
2457 }
2458
2459 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2460 {
2461 CPUState *env = mon_get_cpu();
2462 if (!env)
2463 return 0;
2464 return env->xer;
2465 }
2466
2467 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2468 {
2469 CPUState *env = mon_get_cpu();
2470 if (!env)
2471 return 0;
2472 return cpu_ppc_load_decr(env);
2473 }
2474
2475 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2476 {
2477 CPUState *env = mon_get_cpu();
2478 if (!env)
2479 return 0;
2480 return cpu_ppc_load_tbu(env);
2481 }
2482
2483 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2484 {
2485 CPUState *env = mon_get_cpu();
2486 if (!env)
2487 return 0;
2488 return cpu_ppc_load_tbl(env);
2489 }
2490 #endif
2491
2492 #if defined(TARGET_SPARC)
2493 #ifndef TARGET_SPARC64
2494 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2495 {
2496 CPUState *env = mon_get_cpu();
2497 if (!env)
2498 return 0;
2499 return GET_PSR(env);
2500 }
2501 #endif
2502
2503 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2504 {
2505 CPUState *env = mon_get_cpu();
2506 if (!env)
2507 return 0;
2508 return env->regwptr[val];
2509 }
2510 #endif
2511
2512 static const MonitorDef monitor_defs[] = {
2513 #ifdef TARGET_I386
2514
2515 #define SEG(name, seg) \
2516 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2517 { name ".base", offsetof(CPUState, segs[seg].base) },\
2518 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2519
2520 { "eax", offsetof(CPUState, regs[0]) },
2521 { "ecx", offsetof(CPUState, regs[1]) },
2522 { "edx", offsetof(CPUState, regs[2]) },
2523 { "ebx", offsetof(CPUState, regs[3]) },
2524 { "esp|sp", offsetof(CPUState, regs[4]) },
2525 { "ebp|fp", offsetof(CPUState, regs[5]) },
2526 { "esi", offsetof(CPUState, regs[6]) },
2527 { "edi", offsetof(CPUState, regs[7]) },
2528 #ifdef TARGET_X86_64
2529 { "r8", offsetof(CPUState, regs[8]) },
2530 { "r9", offsetof(CPUState, regs[9]) },
2531 { "r10", offsetof(CPUState, regs[10]) },
2532 { "r11", offsetof(CPUState, regs[11]) },
2533 { "r12", offsetof(CPUState, regs[12]) },
2534 { "r13", offsetof(CPUState, regs[13]) },
2535 { "r14", offsetof(CPUState, regs[14]) },
2536 { "r15", offsetof(CPUState, regs[15]) },
2537 #endif
2538 { "eflags", offsetof(CPUState, eflags) },
2539 { "eip", offsetof(CPUState, eip) },
2540 SEG("cs", R_CS)
2541 SEG("ds", R_DS)
2542 SEG("es", R_ES)
2543 SEG("ss", R_SS)
2544 SEG("fs", R_FS)
2545 SEG("gs", R_GS)
2546 { "pc", 0, monitor_get_pc, },
2547 #elif defined(TARGET_PPC)
2548 /* General purpose registers */
2549 { "r0", offsetof(CPUState, gpr[0]) },
2550 { "r1", offsetof(CPUState, gpr[1]) },
2551 { "r2", offsetof(CPUState, gpr[2]) },
2552 { "r3", offsetof(CPUState, gpr[3]) },
2553 { "r4", offsetof(CPUState, gpr[4]) },
2554 { "r5", offsetof(CPUState, gpr[5]) },
2555 { "r6", offsetof(CPUState, gpr[6]) },
2556 { "r7", offsetof(CPUState, gpr[7]) },
2557 { "r8", offsetof(CPUState, gpr[8]) },
2558 { "r9", offsetof(CPUState, gpr[9]) },
2559 { "r10", offsetof(CPUState, gpr[10]) },
2560 { "r11", offsetof(CPUState, gpr[11]) },
2561 { "r12", offsetof(CPUState, gpr[12]) },
2562 { "r13", offsetof(CPUState, gpr[13]) },
2563 { "r14", offsetof(CPUState, gpr[14]) },
2564 { "r15", offsetof(CPUState, gpr[15]) },
2565 { "r16", offsetof(CPUState, gpr[16]) },
2566 { "r17", offsetof(CPUState, gpr[17]) },
2567 { "r18", offsetof(CPUState, gpr[18]) },
2568 { "r19", offsetof(CPUState, gpr[19]) },
2569 { "r20", offsetof(CPUState, gpr[20]) },
2570 { "r21", offsetof(CPUState, gpr[21]) },
2571 { "r22", offsetof(CPUState, gpr[22]) },
2572 { "r23", offsetof(CPUState, gpr[23]) },
2573 { "r24", offsetof(CPUState, gpr[24]) },
2574 { "r25", offsetof(CPUState, gpr[25]) },
2575 { "r26", offsetof(CPUState, gpr[26]) },
2576 { "r27", offsetof(CPUState, gpr[27]) },
2577 { "r28", offsetof(CPUState, gpr[28]) },
2578 { "r29", offsetof(CPUState, gpr[29]) },
2579 { "r30", offsetof(CPUState, gpr[30]) },
2580 { "r31", offsetof(CPUState, gpr[31]) },
2581 /* Floating point registers */
2582 { "f0", offsetof(CPUState, fpr[0]) },
2583 { "f1", offsetof(CPUState, fpr[1]) },
2584 { "f2", offsetof(CPUState, fpr[2]) },
2585 { "f3", offsetof(CPUState, fpr[3]) },
2586 { "f4", offsetof(CPUState, fpr[4]) },
2587 { "f5", offsetof(CPUState, fpr[5]) },
2588 { "f6", offsetof(CPUState, fpr[6]) },
2589 { "f7", offsetof(CPUState, fpr[7]) },
2590 { "f8", offsetof(CPUState, fpr[8]) },
2591 { "f9", offsetof(CPUState, fpr[9]) },
2592 { "f10", offsetof(CPUState, fpr[10]) },
2593 { "f11", offsetof(CPUState, fpr[11]) },
2594 { "f12", offsetof(CPUState, fpr[12]) },
2595 { "f13", offsetof(CPUState, fpr[13]) },
2596 { "f14", offsetof(CPUState, fpr[14]) },
2597 { "f15", offsetof(CPUState, fpr[15]) },
2598 { "f16", offsetof(CPUState, fpr[16]) },
2599 { "f17", offsetof(CPUState, fpr[17]) },
2600 { "f18", offsetof(CPUState, fpr[18]) },
2601 { "f19", offsetof(CPUState, fpr[19]) },
2602 { "f20", offsetof(CPUState, fpr[20]) },
2603 { "f21", offsetof(CPUState, fpr[21]) },
2604 { "f22", offsetof(CPUState, fpr[22]) },
2605 { "f23", offsetof(CPUState, fpr[23]) },
2606 { "f24", offsetof(CPUState, fpr[24]) },
2607 { "f25", offsetof(CPUState, fpr[25]) },
2608 { "f26", offsetof(CPUState, fpr[26]) },
2609 { "f27", offsetof(CPUState, fpr[27]) },
2610 { "f28", offsetof(CPUState, fpr[28]) },
2611 { "f29", offsetof(CPUState, fpr[29]) },
2612 { "f30", offsetof(CPUState, fpr[30]) },
2613 { "f31", offsetof(CPUState, fpr[31]) },
2614 { "fpscr", offsetof(CPUState, fpscr) },
2615 /* Next instruction pointer */
2616 { "nip|pc", offsetof(CPUState, nip) },
2617 { "lr", offsetof(CPUState, lr) },
2618 { "ctr", offsetof(CPUState, ctr) },
2619 { "decr", 0, &monitor_get_decr, },
2620 { "ccr", 0, &monitor_get_ccr, },
2621 /* Machine state register */
2622 { "msr", 0, &monitor_get_msr, },
2623 { "xer", 0, &monitor_get_xer, },
2624 { "tbu", 0, &monitor_get_tbu, },
2625 { "tbl", 0, &monitor_get_tbl, },
2626 #if defined(TARGET_PPC64)
2627 /* Address space register */
2628 { "asr", offsetof(CPUState, asr) },
2629 #endif
2630 /* Segment registers */
2631 { "sdr1", offsetof(CPUState, sdr1) },
2632 { "sr0", offsetof(CPUState, sr[0]) },
2633 { "sr1", offsetof(CPUState, sr[1]) },
2634 { "sr2", offsetof(CPUState, sr[2]) },
2635 { "sr3", offsetof(CPUState, sr[3]) },
2636 { "sr4", offsetof(CPUState, sr[4]) },
2637 { "sr5", offsetof(CPUState, sr[5]) },
2638 { "sr6", offsetof(CPUState, sr[6]) },
2639 { "sr7", offsetof(CPUState, sr[7]) },
2640 { "sr8", offsetof(CPUState, sr[8]) },
2641 { "sr9", offsetof(CPUState, sr[9]) },
2642 { "sr10", offsetof(CPUState, sr[10]) },
2643 { "sr11", offsetof(CPUState, sr[11]) },
2644 { "sr12", offsetof(CPUState, sr[12]) },
2645 { "sr13", offsetof(CPUState, sr[13]) },
2646 { "sr14", offsetof(CPUState, sr[14]) },
2647 { "sr15", offsetof(CPUState, sr[15]) },
2648 /* Too lazy to put BATs and SPRs ... */
2649 #elif defined(TARGET_SPARC)
2650 { "g0", offsetof(CPUState, gregs[0]) },
2651 { "g1", offsetof(CPUState, gregs[1]) },
2652 { "g2", offsetof(CPUState, gregs[2]) },
2653 { "g3", offsetof(CPUState, gregs[3]) },
2654 { "g4", offsetof(CPUState, gregs[4]) },
2655 { "g5", offsetof(CPUState, gregs[5]) },
2656 { "g6", offsetof(CPUState, gregs[6]) },
2657 { "g7", offsetof(CPUState, gregs[7]) },
2658 { "o0", 0, monitor_get_reg },
2659 { "o1", 1, monitor_get_reg },
2660 { "o2", 2, monitor_get_reg },
2661 { "o3", 3, monitor_get_reg },
2662 { "o4", 4, monitor_get_reg },
2663 { "o5", 5, monitor_get_reg },
2664 { "o6", 6, monitor_get_reg },
2665 { "o7", 7, monitor_get_reg },
2666 { "l0", 8, monitor_get_reg },
2667 { "l1", 9, monitor_get_reg },
2668 { "l2", 10, monitor_get_reg },
2669 { "l3", 11, monitor_get_reg },
2670 { "l4", 12, monitor_get_reg },
2671 { "l5", 13, monitor_get_reg },
2672 { "l6", 14, monitor_get_reg },
2673 { "l7", 15, monitor_get_reg },
2674 { "i0", 16, monitor_get_reg },
2675 { "i1", 17, monitor_get_reg },
2676 { "i2", 18, monitor_get_reg },
2677 { "i3", 19, monitor_get_reg },
2678 { "i4", 20, monitor_get_reg },
2679 { "i5", 21, monitor_get_reg },
2680 { "i6", 22, monitor_get_reg },
2681 { "i7", 23, monitor_get_reg },
2682 { "pc", offsetof(CPUState, pc) },
2683 { "npc", offsetof(CPUState, npc) },
2684 { "y", offsetof(CPUState, y) },
2685 #ifndef TARGET_SPARC64
2686 { "psr", 0, &monitor_get_psr, },
2687 { "wim", offsetof(CPUState, wim) },
2688 #endif
2689 { "tbr", offsetof(CPUState, tbr) },
2690 { "fsr", offsetof(CPUState, fsr) },
2691 { "f0", offsetof(CPUState, fpr[0]) },
2692 { "f1", offsetof(CPUState, fpr[1]) },
2693 { "f2", offsetof(CPUState, fpr[2]) },
2694 { "f3", offsetof(CPUState, fpr[3]) },
2695 { "f4", offsetof(CPUState, fpr[4]) },
2696 { "f5", offsetof(CPUState, fpr[5]) },
2697 { "f6", offsetof(CPUState, fpr[6]) },
2698 { "f7", offsetof(CPUState, fpr[7]) },
2699 { "f8", offsetof(CPUState, fpr[8]) },
2700 { "f9", offsetof(CPUState, fpr[9]) },
2701 { "f10", offsetof(CPUState, fpr[10]) },
2702 { "f11", offsetof(CPUState, fpr[11]) },
2703 { "f12", offsetof(CPUState, fpr[12]) },
2704 { "f13", offsetof(CPUState, fpr[13]) },
2705 { "f14", offsetof(CPUState, fpr[14]) },
2706 { "f15", offsetof(CPUState, fpr[15]) },
2707 { "f16", offsetof(CPUState, fpr[16]) },
2708 { "f17", offsetof(CPUState, fpr[17]) },
2709 { "f18", offsetof(CPUState, fpr[18]) },
2710 { "f19", offsetof(CPUState, fpr[19]) },
2711 { "f20", offsetof(CPUState, fpr[20]) },
2712 { "f21", offsetof(CPUState, fpr[21]) },
2713 { "f22", offsetof(CPUState, fpr[22]) },
2714 { "f23", offsetof(CPUState, fpr[23]) },
2715 { "f24", offsetof(CPUState, fpr[24]) },
2716 { "f25", offsetof(CPUState, fpr[25]) },
2717 { "f26", offsetof(CPUState, fpr[26]) },
2718 { "f27", offsetof(CPUState, fpr[27]) },
2719 { "f28", offsetof(CPUState, fpr[28]) },
2720 { "f29", offsetof(CPUState, fpr[29]) },
2721 { "f30", offsetof(CPUState, fpr[30]) },
2722 { "f31", offsetof(CPUState, fpr[31]) },
2723 #ifdef TARGET_SPARC64
2724 { "f32", offsetof(CPUState, fpr[32]) },
2725 { "f34", offsetof(CPUState, fpr[34]) },
2726 { "f36", offsetof(CPUState, fpr[36]) },
2727 { "f38", offsetof(CPUState, fpr[38]) },
2728 { "f40", offsetof(CPUState, fpr[40]) },
2729 { "f42", offsetof(CPUState, fpr[42]) },
2730 { "f44", offsetof(CPUState, fpr[44]) },
2731 { "f46", offsetof(CPUState, fpr[46]) },
2732 { "f48", offsetof(CPUState, fpr[48]) },
2733 { "f50", offsetof(CPUState, fpr[50]) },
2734 { "f52", offsetof(CPUState, fpr[52]) },
2735 { "f54", offsetof(CPUState, fpr[54]) },
2736 { "f56", offsetof(CPUState, fpr[56]) },
2737 { "f58", offsetof(CPUState, fpr[58]) },
2738 { "f60", offsetof(CPUState, fpr[60]) },
2739 { "f62", offsetof(CPUState, fpr[62]) },
2740 { "asi", offsetof(CPUState, asi) },
2741 { "pstate", offsetof(CPUState, pstate) },
2742 { "cansave", offsetof(CPUState, cansave) },
2743 { "canrestore", offsetof(CPUState, canrestore) },
2744 { "otherwin", offsetof(CPUState, otherwin) },
2745 { "wstate", offsetof(CPUState, wstate) },
2746 { "cleanwin", offsetof(CPUState, cleanwin) },
2747 { "fprs", offsetof(CPUState, fprs) },
2748 #endif
2749 #endif
2750 { NULL },
2751 };
2752
2753 static void expr_error(Monitor *mon, const char *msg)
2754 {
2755 monitor_printf(mon, "%s\n", msg);
2756 longjmp(expr_env, 1);
2757 }
2758
2759 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2760 static int get_monitor_def(target_long *pval, const char *name)
2761 {
2762 const MonitorDef *md;
2763 void *ptr;
2764
2765 for(md = monitor_defs; md->name != NULL; md++) {
2766 if (compare_cmd(name, md->name)) {
2767 if (md->get_value) {
2768 *pval = md->get_value(md, md->offset);
2769 } else {
2770 CPUState *env = mon_get_cpu();
2771 if (!env)
2772 return -2;
2773 ptr = (uint8_t *)env + md->offset;
2774 switch(md->type) {
2775 case MD_I32:
2776 *pval = *(int32_t *)ptr;
2777 break;
2778 case MD_TLONG:
2779 *pval = *(target_long *)ptr;
2780 break;
2781 default:
2782 *pval = 0;
2783 break;
2784 }
2785 }
2786 return 0;
2787 }
2788 }
2789 return -1;
2790 }
2791
2792 static void next(void)
2793 {
2794 if (*pch != '\0') {
2795 pch++;
2796 while (qemu_isspace(*pch))
2797 pch++;
2798 }
2799 }
2800
2801 static int64_t expr_sum(Monitor *mon);
2802
2803 static int64_t expr_unary(Monitor *mon)
2804 {
2805 int64_t n;
2806 char *p;
2807 int ret;
2808
2809 switch(*pch) {
2810 case '+':
2811 next();
2812 n = expr_unary(mon);
2813 break;
2814 case '-':
2815 next();
2816 n = -expr_unary(mon);
2817 break;
2818 case '~':
2819 next();
2820 n = ~expr_unary(mon);
2821 break;
2822 case '(':
2823 next();
2824 n = expr_sum(mon);
2825 if (*pch != ')') {
2826 expr_error(mon, "')' expected");
2827 }
2828 next();
2829 break;
2830 case '\'':
2831 pch++;
2832 if (*pch == '\0')
2833 expr_error(mon, "character constant expected");
2834 n = *pch;
2835 pch++;
2836 if (*pch != '\'')
2837 expr_error(mon, "missing terminating \' character");
2838 next();
2839 break;
2840 case '$':
2841 {
2842 char buf[128], *q;
2843 target_long reg=0;
2844
2845 pch++;
2846 q = buf;
2847 while ((*pch >= 'a' && *pch <= 'z') ||
2848 (*pch >= 'A' && *pch <= 'Z') ||
2849 (*pch >= '0' && *pch <= '9') ||
2850 *pch == '_' || *pch == '.') {
2851 if ((q - buf) < sizeof(buf) - 1)
2852 *q++ = *pch;
2853 pch++;
2854 }
2855 while (qemu_isspace(*pch))
2856 pch++;
2857 *q = 0;
2858 ret = get_monitor_def(&reg, buf);
2859 if (ret == -1)
2860 expr_error(mon, "unknown register");
2861 else if (ret == -2)
2862 expr_error(mon, "no cpu defined");
2863 n = reg;
2864 }
2865 break;
2866 case '\0':
2867 expr_error(mon, "unexpected end of expression");
2868 n = 0;
2869 break;
2870 default:
2871 #if TARGET_PHYS_ADDR_BITS > 32
2872 n = strtoull(pch, &p, 0);
2873 #else
2874 n = strtoul(pch, &p, 0);
2875 #endif
2876 if (pch == p) {
2877 expr_error(mon, "invalid char in expression");
2878 }
2879 pch = p;
2880 while (qemu_isspace(*pch))
2881 pch++;
2882 break;
2883 }
2884 return n;
2885 }
2886
2887
2888 static int64_t expr_prod(Monitor *mon)
2889 {
2890 int64_t val, val2;
2891 int op;
2892
2893 val = expr_unary(mon);
2894 for(;;) {
2895 op = *pch;
2896 if (op != '*' && op != '/' && op != '%')
2897 break;
2898 next();
2899 val2 = expr_unary(mon);
2900 switch(op) {
2901 default:
2902 case '*':
2903 val *= val2;
2904 break;
2905 case '/':
2906 case '%':
2907 if (val2 == 0)
2908 expr_error(mon, "division by zero");
2909 if (op == '/')
2910 val /= val2;
2911 else
2912 val %= val2;
2913 break;
2914 }
2915 }
2916 return val;
2917 }
2918
2919 static int64_t expr_logic(Monitor *mon)
2920 {
2921 int64_t val, val2;
2922 int op;
2923
2924 val = expr_prod(mon);
2925 for(;;) {
2926 op = *pch;
2927 if (op != '&' && op != '|' && op != '^')
2928 break;
2929 next();
2930 val2 = expr_prod(mon);
2931 switch(op) {
2932 default:
2933 case '&':
2934 val &= val2;
2935 break;
2936 case '|':
2937 val |= val2;
2938 break;
2939 case '^':
2940 val ^= val2;
2941 break;
2942 }
2943 }
2944 return val;
2945 }
2946
2947 static int64_t expr_sum(Monitor *mon)
2948 {
2949 int64_t val, val2;
2950 int op;
2951
2952 val = expr_logic(mon);
2953 for(;;) {
2954 op = *pch;
2955 if (op != '+' && op != '-')
2956 break;
2957 next();
2958 val2 = expr_logic(mon);
2959 if (op == '+')
2960 val += val2;
2961 else
2962 val -= val2;
2963 }
2964 return val;
2965 }
2966
2967 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2968 {
2969 pch = *pp;
2970 if (setjmp(expr_env)) {
2971 *pp = pch;
2972 return -1;
2973 }
2974 while (qemu_isspace(*pch))
2975 pch++;
2976 *pval = expr_sum(mon);
2977 *pp = pch;
2978 return 0;
2979 }
2980
2981 static int get_str(char *buf, int buf_size, const char **pp)
2982 {
2983 const char *p;
2984 char *q;
2985 int c;
2986
2987 q = buf;
2988 p = *pp;
2989 while (qemu_isspace(*p))
2990 p++;
2991 if (*p == '\0') {
2992 fail:
2993 *q = '\0';
2994 *pp = p;
2995 return -1;
2996 }
2997 if (*p == '\"') {
2998 p++;
2999 while (*p != '\0' && *p != '\"') {
3000 if (*p == '\\') {
3001 p++;
3002 c = *p++;
3003 switch(c) {
3004 case 'n':
3005 c = '\n';
3006 break;
3007 case 'r':
3008 c = '\r';
3009 break;
3010 case '\\':
3011 case '\'':
3012 case '\"':
3013 break;
3014 default:
3015 qemu_printf("unsupported escape code: '\\%c'\n", c);
3016 goto fail;
3017 }
3018 if ((q - buf) < buf_size - 1) {
3019 *q++ = c;
3020 }
3021 } else {
3022 if ((q - buf) < buf_size - 1) {
3023 *q++ = *p;
3024 }
3025 p++;
3026 }
3027 }
3028 if (*p != '\"') {
3029 qemu_printf("unterminated string\n");
3030 goto fail;
3031 }
3032 p++;
3033 } else {
3034 while (*p != '\0' && !qemu_isspace(*p)) {
3035 if ((q - buf) < buf_size - 1) {
3036 *q++ = *p;
3037 }
3038 p++;
3039 }
3040 }
3041 *q = '\0';
3042 *pp = p;
3043 return 0;
3044 }
3045
3046 /*
3047 * Store the command-name in cmdname, and return a pointer to
3048 * the remaining of the command string.
3049 */
3050 static const char *get_command_name(const char *cmdline,
3051 char *cmdname, size_t nlen)
3052 {
3053 size_t len;
3054 const char *p, *pstart;
3055
3056 p = cmdline;
3057 while (qemu_isspace(*p))
3058 p++;
3059 if (*p == '\0')
3060 return NULL;
3061 pstart = p;
3062 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3063 p++;
3064 len = p - pstart;
3065 if (len > nlen - 1)
3066 len = nlen - 1;
3067 memcpy(cmdname, pstart, len);
3068 cmdname[len] = '\0';
3069 return p;
3070 }
3071
3072 /**
3073 * Read key of 'type' into 'key' and return the current
3074 * 'type' pointer.
3075 */
3076 static char *key_get_info(const char *type, char **key)
3077 {
3078 size_t len;
3079 char *p, *str;
3080
3081 if (*type == ',')
3082 type++;
3083
3084 p = strchr(type, ':');
3085 if (!p) {
3086 *key = NULL;
3087 return NULL;
3088 }
3089 len = p - type;
3090
3091 str = qemu_malloc(len + 1);
3092 memcpy(str, type, len);
3093 str[len] = '\0';
3094
3095 *key = str;
3096 return ++p;
3097 }
3098
3099 static int default_fmt_format = 'x';
3100 static int default_fmt_size = 4;
3101
3102 #define MAX_ARGS 16
3103
3104 static int is_valid_option(const char *c, const char *typestr)
3105 {
3106 char option[3];
3107
3108 option[0] = '-';
3109 option[1] = *c;
3110 option[2] = '\0';
3111
3112 typestr = strstr(typestr, option);
3113 return (typestr != NULL);
3114 }
3115
3116 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3117 {
3118 const mon_cmd_t *cmd;
3119
3120 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3121 if (compare_cmd(cmdname, cmd->name)) {
3122 return cmd;
3123 }
3124 }
3125
3126 return NULL;
3127 }
3128
3129 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3130 const char *cmdline,
3131 QDict *qdict)
3132 {
3133 const char *p, *typestr;
3134 int c;
3135 const mon_cmd_t *cmd;
3136 char cmdname[256];
3137 char buf[1024];
3138 char *key;
3139
3140 #ifdef DEBUG
3141 monitor_printf(mon, "command='%s'\n", cmdline);
3142 #endif
3143
3144 /* extract the command name */
3145 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3146 if (!p)
3147 return NULL;
3148
3149 cmd = monitor_find_command(cmdname);
3150 if (!cmd) {
3151 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3152 return NULL;
3153 }
3154
3155 /* parse the parameters */
3156 typestr = cmd->args_type;
3157 for(;;) {
3158 typestr = key_get_info(typestr, &key);
3159 if (!typestr)
3160 break;
3161 c = *typestr;
3162 typestr++;
3163 switch(c) {
3164 case 'F':
3165 case 'B':
3166 case 's':
3167 {
3168 int ret;
3169
3170 while (qemu_isspace(*p))
3171 p++;
3172 if (*typestr == '?') {
3173 typestr++;
3174 if (*p == '\0') {
3175 /* no optional string: NULL argument */
3176 break;
3177 }
3178 }
3179 ret = get_str(buf, sizeof(buf), &p);
3180 if (ret < 0) {
3181 switch(c) {
3182 case 'F':
3183 monitor_printf(mon, "%s: filename expected\n",
3184 cmdname);
3185 break;
3186 case 'B':
3187 monitor_printf(mon, "%s: block device name expected\n",
3188 cmdname);
3189 break;
3190 default:
3191 monitor_printf(mon, "%s: string expected\n", cmdname);
3192 break;
3193 }
3194 goto fail;
3195 }
3196 qdict_put(qdict, key, qstring_from_str(buf));
3197 }
3198 break;
3199 case '/':
3200 {
3201 int count, format, size;
3202
3203 while (qemu_isspace(*p))
3204 p++;
3205 if (*p == '/') {
3206 /* format found */
3207 p++;
3208 count = 1;
3209 if (qemu_isdigit(*p)) {
3210 count = 0;
3211 while (qemu_isdigit(*p)) {
3212 count = count * 10 + (*p - '0');
3213 p++;
3214 }
3215 }
3216 size = -1;
3217 format = -1;
3218 for(;;) {
3219 switch(*p) {
3220 case 'o':
3221 case 'd':
3222 case 'u':
3223 case 'x':
3224 case 'i':
3225 case 'c':
3226 format = *p++;
3227 break;
3228 case 'b':
3229 size = 1;
3230 p++;
3231 break;
3232 case 'h':
3233 size = 2;
3234 p++;
3235 break;
3236 case 'w':
3237 size = 4;
3238 p++;
3239 break;
3240 case 'g':
3241 case 'L':
3242 size = 8;
3243 p++;
3244 break;
3245 default:
3246 goto next;
3247 }
3248 }
3249 next:
3250 if (*p != '\0' && !qemu_isspace(*p)) {
3251 monitor_printf(mon, "invalid char in format: '%c'\n",
3252 *p);
3253 goto fail;
3254 }
3255 if (format < 0)
3256 format = default_fmt_format;
3257 if (format != 'i') {
3258 /* for 'i', not specifying a size gives -1 as size */
3259 if (size < 0)
3260 size = default_fmt_size;
3261 default_fmt_size = size;
3262 }
3263 default_fmt_format = format;
3264 } else {
3265 count = 1;
3266 format = default_fmt_format;
3267 if (format != 'i') {
3268 size = default_fmt_size;
3269 } else {
3270 size = -1;
3271 }
3272 }
3273 qdict_put(qdict, "count", qint_from_int(count));
3274 qdict_put(qdict, "format", qint_from_int(format));
3275 qdict_put(qdict, "size", qint_from_int(size));
3276 }
3277 break;
3278 case 'i':
3279 case 'l':
3280 {
3281 int64_t val;
3282
3283 while (qemu_isspace(*p))
3284 p++;
3285 if (*typestr == '?' || *typestr == '.') {
3286 if (*typestr == '?') {
3287 if (*p == '\0') {
3288 typestr++;
3289 break;
3290 }
3291 } else {
3292 if (*p == '.') {
3293 p++;
3294 while (qemu_isspace(*p))
3295 p++;
3296 } else {
3297 typestr++;
3298 break;
3299 }
3300 }
3301 typestr++;
3302 }
3303 if (get_expr(mon, &val, &p))
3304 goto fail;
3305 /* Check if 'i' is greater than 32-bit */
3306 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3307 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3308 monitor_printf(mon, "integer is for 32-bit values\n");
3309 goto fail;
3310 }
3311 qdict_put(qdict, key, qint_from_int(val));
3312 }
3313 break;
3314 case '-':
3315 {
3316 const char *tmp = p;
3317 int has_option, skip_key = 0;
3318 /* option */
3319
3320 c = *typestr++;
3321 if (c == '\0')
3322 goto bad_type;
3323 while (qemu_isspace(*p))
3324 p++;
3325 has_option = 0;
3326 if (*p == '-') {
3327 p++;
3328 if(c != *p) {
3329 if(!is_valid_option(p, typestr)) {
3330
3331 monitor_printf(mon, "%s: unsupported option -%c\n",
3332 cmdname, *p);
3333 goto fail;
3334 } else {
3335 skip_key = 1;
3336 }
3337 }
3338 if(skip_key) {
3339 p = tmp;
3340 } else {
3341 p++;
3342 has_option = 1;
3343 }
3344 }
3345 qdict_put(qdict, key, qint_from_int(has_option));
3346 }
3347 break;
3348 default:
3349 bad_type:
3350 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3351 goto fail;
3352 }
3353 qemu_free(key);
3354 key = NULL;
3355 }
3356 /* check that all arguments were parsed */
3357 while (qemu_isspace(*p))
3358 p++;
3359 if (*p != '\0') {
3360 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3361 cmdname);
3362 goto fail;
3363 }
3364
3365 return cmd;
3366
3367 fail:
3368 qemu_free(key);
3369 return NULL;
3370 }
3371
3372 static void monitor_print_error(Monitor *mon)
3373 {
3374 qerror_print(mon->error);
3375 QDECREF(mon->error);
3376 mon->error = NULL;
3377 }
3378
3379 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3380 const QDict *params)
3381 {
3382 QObject *data = NULL;
3383
3384 cmd->mhandler.cmd_new(mon, params, &data);
3385
3386 if (monitor_ctrl_mode(mon)) {
3387 /* Monitor Protocol */
3388 monitor_protocol_emitter(mon, data);
3389 } else {
3390 /* User Protocol */
3391 if (data)
3392 cmd->user_print(mon, data);
3393 }
3394
3395 qobject_decref(data);
3396 }
3397
3398 static void handle_user_command(Monitor *mon, const char *cmdline)
3399 {
3400 QDict *qdict;
3401 const mon_cmd_t *cmd;
3402
3403 qdict = qdict_new();
3404
3405 cmd = monitor_parse_command(mon, cmdline, qdict);
3406 if (!cmd)
3407 goto out;
3408
3409 qemu_errors_to_mon(mon);
3410
3411 if (monitor_handler_ported(cmd)) {
3412 monitor_call_handler(mon, cmd, qdict);
3413 } else {
3414 cmd->mhandler.cmd(mon, qdict);
3415 }
3416
3417 if (monitor_has_error(mon))
3418 monitor_print_error(mon);
3419
3420 qemu_errors_to_previous();
3421
3422 out:
3423 QDECREF(qdict);
3424 }
3425
3426 static void cmd_completion(const char *name, const char *list)
3427 {
3428 const char *p, *pstart;
3429 char cmd[128];
3430 int len;
3431
3432 p = list;
3433 for(;;) {
3434 pstart = p;
3435 p = strchr(p, '|');
3436 if (!p)
3437 p = pstart + strlen(pstart);
3438 len = p - pstart;
3439 if (len > sizeof(cmd) - 2)
3440 len = sizeof(cmd) - 2;
3441 memcpy(cmd, pstart, len);
3442 cmd[len] = '\0';
3443 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3444 readline_add_completion(cur_mon->rs, cmd);
3445 }
3446 if (*p == '\0')
3447 break;
3448 p++;
3449 }
3450 }
3451
3452 static void file_completion(const char *input)
3453 {
3454 DIR *ffs;
3455 struct dirent *d;
3456 char path[1024];
3457 char file[1024], file_prefix[1024];
3458 int input_path_len;
3459 const char *p;
3460
3461 p = strrchr(input, '/');
3462 if (!p) {
3463 input_path_len = 0;
3464 pstrcpy(file_prefix, sizeof(file_prefix), input);
3465 pstrcpy(path, sizeof(path), ".");
3466 } else {
3467 input_path_len = p - input + 1;
3468 memcpy(path, input, input_path_len);
3469 if (input_path_len > sizeof(path) - 1)
3470 input_path_len = sizeof(path) - 1;
3471 path[input_path_len] = '\0';
3472 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3473 }
3474 #ifdef DEBUG_COMPLETION
3475 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3476 input, path, file_prefix);
3477 #endif
3478 ffs = opendir(path);
3479 if (!ffs)
3480 return;
3481 for(;;) {
3482 struct stat sb;
3483 d = readdir(ffs);
3484 if (!d)
3485 break;
3486 if (strstart(d->d_name, file_prefix, NULL)) {
3487 memcpy(file, input, input_path_len);
3488 if (input_path_len < sizeof(file))
3489 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3490 d->d_name);
3491 /* stat the file to find out if it's a directory.
3492 * In that case add a slash to speed up typing long paths
3493 */
3494 stat(file, &sb);
3495 if(S_ISDIR(sb.st_mode))
3496 pstrcat(file, sizeof(file), "/");
3497 readline_add_completion(cur_mon->rs, file);
3498 }
3499 }
3500 closedir(ffs);
3501 }
3502
3503 static void block_completion_it(void *opaque, BlockDriverState *bs)
3504 {
3505 const char *name = bdrv_get_device_name(bs);
3506 const char *input = opaque;
3507
3508 if (input[0] == '\0' ||
3509 !strncmp(name, (char *)input, strlen(input))) {
3510 readline_add_completion(cur_mon->rs, name);
3511 }
3512 }
3513
3514 /* NOTE: this parser is an approximate form of the real command parser */
3515 static void parse_cmdline(const char *cmdline,
3516 int *pnb_args, char **args)
3517 {
3518 const char *p;
3519 int nb_args, ret;
3520 char buf[1024];
3521
3522 p = cmdline;
3523 nb_args = 0;
3524 for(;;) {
3525 while (qemu_isspace(*p))
3526 p++;
3527 if (*p == '\0')
3528 break;
3529 if (nb_args >= MAX_ARGS)
3530 break;
3531 ret = get_str(buf, sizeof(buf), &p);
3532 args[nb_args] = qemu_strdup(buf);
3533 nb_args++;
3534 if (ret < 0)
3535 break;
3536 }
3537 *pnb_args = nb_args;
3538 }
3539
3540 static const char *next_arg_type(const char *typestr)
3541 {
3542 const char *p = strchr(typestr, ':');
3543 return (p != NULL ? ++p : typestr);
3544 }
3545
3546 static void monitor_find_completion(const char *cmdline)
3547 {
3548 const char *cmdname;
3549 char *args[MAX_ARGS];
3550 int nb_args, i, len;
3551 const char *ptype, *str;
3552 const mon_cmd_t *cmd;
3553 const KeyDef *key;
3554
3555 parse_cmdline(cmdline, &nb_args, args);
3556 #ifdef DEBUG_COMPLETION
3557 for(i = 0; i < nb_args; i++) {
3558 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3559 }
3560 #endif
3561
3562 /* if the line ends with a space, it means we want to complete the
3563 next arg */
3564 len = strlen(cmdline);
3565 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3566 if (nb_args >= MAX_ARGS)
3567 return;
3568 args[nb_args++] = qemu_strdup("");
3569 }
3570 if (nb_args <= 1) {
3571 /* command completion */
3572 if (nb_args == 0)
3573 cmdname = "";
3574 else
3575 cmdname = args[0];
3576 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3577 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3578 cmd_completion(cmdname, cmd->name);
3579 }
3580 } else {
3581 /* find the command */
3582 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3583 if (compare_cmd(args[0], cmd->name))
3584 goto found;
3585 }
3586 return;
3587 found:
3588 ptype = next_arg_type(cmd->args_type);
3589 for(i = 0; i < nb_args - 2; i++) {
3590 if (*ptype != '\0') {
3591 ptype = next_arg_type(ptype);
3592 while (*ptype == '?')
3593 ptype = next_arg_type(ptype);
3594 }
3595 }
3596 str = args[nb_args - 1];
3597 if (*ptype == '-' && ptype[1] != '\0') {
3598 ptype += 2;
3599 }
3600 switch(*ptype) {
3601 case 'F':
3602 /* file completion */
3603 readline_set_completion_index(cur_mon->rs, strlen(str));
3604 file_completion(str);
3605 break;
3606 case 'B':
3607 /* block device name completion */
3608 readline_set_completion_index(cur_mon->rs, strlen(str));
3609 bdrv_iterate(block_completion_it, (void *)str);
3610 break;
3611 case 's':
3612 /* XXX: more generic ? */
3613 if (!strcmp(cmd->name, "info")) {
3614 readline_set_completion_index(cur_mon->rs, strlen(str));
3615 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3616 cmd_completion(str, cmd->name);
3617 }
3618 } else if (!strcmp(cmd->name, "sendkey")) {
3619 char *sep = strrchr(str, '-');
3620 if (sep)
3621 str = sep + 1;
3622 readline_set_completion_index(cur_mon->rs, strlen(str));
3623 for(key = key_defs; key->name != NULL; key++) {
3624 cmd_completion(str, key->name);
3625 }
3626 } else if (!strcmp(cmd->name, "help|?")) {
3627 readline_set_completion_index(cur_mon->rs, strlen(str));
3628 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3629 cmd_completion(str, cmd->name);
3630 }
3631 }
3632 break;
3633 default:
3634 break;
3635 }
3636 }
3637 for(i = 0; i < nb_args; i++)
3638 qemu_free(args[i]);
3639 }
3640
3641 static int monitor_can_read(void *opaque)
3642 {
3643 Monitor *mon = opaque;
3644
3645 return (mon->suspend_cnt == 0) ? 128 : 0;
3646 }
3647
3648 typedef struct CmdArgs {
3649 QString *name;
3650 int type;
3651 int flag;
3652 int optional;
3653 } CmdArgs;
3654
3655 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3656 {
3657 if (!cmd_args->optional) {
3658 qemu_error_new(QERR_MISSING_PARAMETER, name);
3659 return -1;
3660 }
3661
3662 if (cmd_args->type == '-') {
3663 /* handlers expect a value, they need to be changed */
3664 qdict_put(args, name, qint_from_int(0));
3665 }
3666
3667 return 0;
3668 }
3669
3670 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3671 {
3672 QObject *value;
3673 const char *name;
3674
3675 name = qstring_get_str(cmd_args->name);
3676
3677 if (!args) {
3678 return check_opt(cmd_args, name, args);
3679 }
3680
3681 value = qdict_get(args, name);
3682 if (!value) {
3683 return check_opt(cmd_args, name, args);
3684 }
3685
3686 switch (cmd_args->type) {
3687 case 'F':
3688 case 'B':
3689 case 's':
3690 if (qobject_type(value) != QTYPE_QSTRING) {
3691 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3692 return -1;
3693 }
3694 break;
3695 case '/': {
3696 int i;
3697 const char *keys[] = { "count", "format", "size", NULL };
3698
3699 for (i = 0; keys[i]; i++) {
3700 QObject *obj = qdict_get(args, keys[i]);
3701 if (!obj) {
3702 qemu_error_new(QERR_MISSING_PARAMETER, name);
3703 return -1;
3704 }
3705 if (qobject_type(obj) != QTYPE_QINT) {
3706 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3707 return -1;
3708 }
3709 }
3710 break;
3711 }
3712 case 'i':
3713 case 'l':
3714 if (qobject_type(value) != QTYPE_QINT) {
3715 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3716 return -1;
3717 }
3718 break;
3719 case '-':
3720 if (qobject_type(value) != QTYPE_QINT &&
3721 qobject_type(value) != QTYPE_QBOOL) {
3722 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3723 return -1;
3724 }
3725 if (qobject_type(value) == QTYPE_QBOOL) {
3726 /* handlers expect a QInt, they need to be changed */
3727 qdict_put(args, name,
3728 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3729 }
3730 break;
3731 default:
3732 /* impossible */
3733 abort();
3734 }
3735
3736 return 0;
3737 }
3738
3739 static void cmd_args_init(CmdArgs *cmd_args)
3740 {
3741 cmd_args->name = qstring_new();
3742 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3743 }
3744
3745 /*
3746 * This is not trivial, we have to parse Monitor command's argument
3747 * type syntax to be able to check the arguments provided by clients.
3748 *
3749 * In the near future we will be using an array for that and will be
3750 * able to drop all this parsing...
3751 */
3752 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3753 {
3754 int err;
3755 const char *p;
3756 CmdArgs cmd_args;
3757
3758 if (cmd->args_type == '\0') {
3759 return (qdict_size(args) == 0 ? 0 : -1);
3760 }
3761
3762 err = 0;
3763 cmd_args_init(&cmd_args);
3764
3765 for (p = cmd->args_type;; p++) {
3766 if (*p == ':') {
3767 cmd_args.type = *++p;
3768 p++;
3769 if (cmd_args.type == '-') {
3770 cmd_args.flag = *p++;
3771 cmd_args.optional = 1;
3772 } else if (*p == '?') {
3773 cmd_args.optional = 1;
3774 p++;
3775 }
3776
3777 assert(*p == ',' || *p == '\0');
3778 err = check_arg(&cmd_args, args);
3779
3780 QDECREF(cmd_args.name);
3781 cmd_args_init(&cmd_args);
3782
3783 if (err < 0) {
3784 break;
3785 }
3786 } else {
3787 qstring_append_chr(cmd_args.name, *p);
3788 }
3789
3790 if (*p == '\0') {
3791 break;
3792 }
3793 }
3794
3795 QDECREF(cmd_args.name);
3796 return err;
3797 }
3798
3799 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3800 {
3801 int err;
3802 QObject *obj;
3803 QDict *input, *args;
3804 const mon_cmd_t *cmd;
3805 Monitor *mon = cur_mon;
3806 const char *cmd_name, *info_item;
3807
3808 args = NULL;
3809 qemu_errors_to_mon(mon);
3810
3811 obj = json_parser_parse(tokens, NULL);
3812 if (!obj) {
3813 // FIXME: should be triggered in json_parser_parse()
3814 qemu_error_new(QERR_JSON_PARSING);
3815 goto err_out;
3816 } else if (qobject_type(obj) != QTYPE_QDICT) {
3817 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3818 qobject_decref(obj);
3819 goto err_out;
3820 }
3821
3822 input = qobject_to_qdict(obj);
3823
3824 mon->mc->id = qdict_get(input, "id");
3825 qobject_incref(mon->mc->id);
3826
3827 obj = qdict_get(input, "execute");
3828 if (!obj) {
3829 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3830 goto err_input;
3831 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3832 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3833 goto err_input;
3834 }
3835
3836 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3837
3838 /*
3839 * XXX: We need this special case until we get info handlers
3840 * converted into 'query-' commands
3841 */
3842 if (compare_cmd(cmd_name, "info")) {
3843 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3844 goto err_input;
3845 } else if (strstart(cmd_name, "query-", &info_item)) {
3846 cmd = monitor_find_command("info");
3847 qdict_put_obj(input, "arguments",
3848 qobject_from_jsonf("{ 'item': %s }", info_item));
3849 } else {
3850 cmd = monitor_find_command(cmd_name);
3851 if (!cmd) {
3852 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3853 goto err_input;
3854 }
3855 }
3856
3857 obj = qdict_get(input, "arguments");
3858 if (!obj) {
3859 args = qdict_new();
3860 } else {
3861 args = qobject_to_qdict(obj);
3862 QINCREF(args);
3863 }
3864
3865 QDECREF(input);
3866
3867 err = monitor_check_qmp_args(cmd, args);
3868 if (err < 0) {
3869 goto err_out;
3870 }
3871
3872 monitor_call_handler(mon, cmd, args);
3873 goto out;
3874
3875 err_input:
3876 QDECREF(input);
3877 err_out:
3878 monitor_protocol_emitter(mon, NULL);
3879 out:
3880 QDECREF(args);
3881 qemu_errors_to_previous();
3882 }
3883
3884 /**
3885 * monitor_control_read(): Read and handle QMP input
3886 */
3887 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3888 {
3889 Monitor *old_mon = cur_mon;
3890
3891 cur_mon = opaque;
3892
3893 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3894
3895 cur_mon = old_mon;
3896 }
3897
3898 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3899 {
3900 Monitor *old_mon = cur_mon;
3901 int i;
3902
3903 cur_mon = opaque;
3904
3905 if (cur_mon->rs) {
3906 for (i = 0; i < size; i++)
3907 readline_handle_byte(cur_mon->rs, buf[i]);
3908 } else {
3909 if (size == 0 || buf[size - 1] != 0)
3910 monitor_printf(cur_mon, "corrupted command\n");
3911 else
3912 handle_user_command(cur_mon, (char *)buf);
3913 }
3914
3915 cur_mon = old_mon;
3916 }
3917
3918 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3919 {
3920 monitor_suspend(mon);
3921 handle_user_command(mon, cmdline);
3922 monitor_resume(mon);
3923 }
3924
3925 int monitor_suspend(Monitor *mon)
3926 {
3927 if (!mon->rs)
3928 return -ENOTTY;
3929 mon->suspend_cnt++;
3930 return 0;
3931 }
3932
3933 void monitor_resume(Monitor *mon)
3934 {
3935 if (!mon->rs)
3936 return;
3937 if (--mon->suspend_cnt == 0)
3938 readline_show_prompt(mon->rs);
3939 }
3940
3941 /**
3942 * monitor_control_event(): Print QMP gretting
3943 */
3944 static void monitor_control_event(void *opaque, int event)
3945 {
3946 if (event == CHR_EVENT_OPENED) {
3947 QObject *data;
3948 Monitor *mon = opaque;
3949
3950 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3951
3952 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3953 assert(data != NULL);
3954
3955 monitor_json_emitter(mon, data);
3956 qobject_decref(data);
3957 }
3958 }
3959
3960 static void monitor_event(void *opaque, int event)
3961 {
3962 Monitor *mon = opaque;
3963
3964 switch (event) {
3965 case CHR_EVENT_MUX_IN:
3966 mon->mux_out = 0;
3967 if (mon->reset_seen) {
3968 readline_restart(mon->rs);
3969 monitor_resume(mon);
3970 monitor_flush(mon);
3971 } else {
3972 mon->suspend_cnt = 0;
3973 }
3974 break;
3975
3976 case CHR_EVENT_MUX_OUT:
3977 if (mon->reset_seen) {
3978 if (mon->suspend_cnt == 0) {
3979 monitor_printf(mon, "\n");
3980 }
3981 monitor_flush(mon);
3982 monitor_suspend(mon);
3983 } else {
3984 mon->suspend_cnt++;
3985 }
3986 mon->mux_out = 1;
3987 break;
3988
3989 case CHR_EVENT_OPENED:
3990 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3991 "information\n", QEMU_VERSION);
3992 if (!mon->mux_out) {
3993 readline_show_prompt(mon->rs);
3994 }
3995 mon->reset_seen = 1;
3996 break;
3997 }
3998 }
3999
4000
4001 /*
4002 * Local variables:
4003 * c-indent-level: 4
4004 * c-basic-offset: 4
4005 * tab-width: 8
4006 * End:
4007 */
4008
4009 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4010 {
4011 const char *dev;
4012
4013 if (strstart(cmdline, "control,", &dev)) {
4014 if (strstart(dev, "vc", NULL)) {
4015 fprintf(stderr, "qemu: control mode is for low-level interaction ");
4016 fprintf(stderr, "cannot be used with device 'vc'\n");
4017 exit(1);
4018 }
4019 *flags &= ~MONITOR_USE_READLINE;
4020 *flags |= MONITOR_USE_CONTROL;
4021 return dev;
4022 }
4023
4024 return cmdline;
4025 }
4026
4027 void monitor_init(CharDriverState *chr, int flags)
4028 {
4029 static int is_first_init = 1;
4030 Monitor *mon;
4031
4032 if (is_first_init) {
4033 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4034 is_first_init = 0;
4035 }
4036
4037 mon = qemu_mallocz(sizeof(*mon));
4038
4039 mon->chr = chr;
4040 mon->flags = flags;
4041 if (flags & MONITOR_USE_READLINE) {
4042 mon->rs = readline_init(mon, monitor_find_completion);
4043 monitor_read_command(mon, 0);
4044 }
4045
4046 if (monitor_ctrl_mode(mon)) {
4047 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4048 /* Control mode requires special handlers */
4049 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4050 monitor_control_event, mon);
4051 } else {
4052 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4053 monitor_event, mon);
4054 }
4055
4056 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4057 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4058 cur_mon = mon;
4059 }
4060
4061 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4062 {
4063 BlockDriverState *bs = opaque;
4064 int ret = 0;
4065
4066 if (bdrv_set_key(bs, password) != 0) {
4067 monitor_printf(mon, "invalid password\n");
4068 ret = -EPERM;
4069 }
4070 if (mon->password_completion_cb)
4071 mon->password_completion_cb(mon->password_opaque, ret);
4072
4073 monitor_read_command(mon, 1);
4074 }
4075
4076 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4077 BlockDriverCompletionFunc *completion_cb,
4078 void *opaque)
4079 {
4080 int err;
4081
4082 if (!bdrv_key_required(bs)) {
4083 if (completion_cb)
4084 completion_cb(opaque, 0);
4085 return;
4086 }
4087
4088 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4089 bdrv_get_encrypted_filename(bs));
4090
4091 mon->password_completion_cb = completion_cb;
4092 mon->password_opaque = opaque;
4093
4094 err = monitor_read_password(mon, bdrv_password_cb, bs);
4095
4096 if (err && completion_cb)
4097 completion_cb(opaque, err);
4098 }
4099
4100 typedef struct QemuErrorSink QemuErrorSink;
4101 struct QemuErrorSink {
4102 enum {
4103 ERR_SINK_FILE,
4104 ERR_SINK_MONITOR,
4105 } dest;
4106 union {
4107 FILE *fp;
4108 Monitor *mon;
4109 };
4110 QemuErrorSink *previous;
4111 };
4112
4113 static QemuErrorSink *qemu_error_sink;
4114
4115 void qemu_errors_to_file(FILE *fp)
4116 {
4117 QemuErrorSink *sink;
4118
4119 sink = qemu_mallocz(sizeof(*sink));
4120 sink->dest = ERR_SINK_FILE;
4121 sink->fp = fp;
4122 sink->previous = qemu_error_sink;
4123 qemu_error_sink = sink;
4124 }
4125
4126 void qemu_errors_to_mon(Monitor *mon)
4127 {
4128 QemuErrorSink *sink;
4129
4130 sink = qemu_mallocz(sizeof(*sink));
4131 sink->dest = ERR_SINK_MONITOR;
4132 sink->mon = mon;
4133 sink->previous = qemu_error_sink;
4134 qemu_error_sink = sink;
4135 }
4136
4137 void qemu_errors_to_previous(void)
4138 {
4139 QemuErrorSink *sink;
4140
4141 assert(qemu_error_sink != NULL);
4142 sink = qemu_error_sink;
4143 qemu_error_sink = sink->previous;
4144 qemu_free(sink);
4145 }
4146
4147 void qemu_error(const char *fmt, ...)
4148 {
4149 va_list args;
4150
4151 assert(qemu_error_sink != NULL);
4152 switch (qemu_error_sink->dest) {
4153 case ERR_SINK_FILE:
4154 va_start(args, fmt);
4155 vfprintf(qemu_error_sink->fp, fmt, args);
4156 va_end(args);
4157 break;
4158 case ERR_SINK_MONITOR:
4159 va_start(args, fmt);
4160 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4161 va_end(args);
4162 break;
4163 }
4164 }
4165
4166 void qemu_error_internal(const char *file, int linenr, const char *func,
4167 const char *fmt, ...)
4168 {
4169 va_list va;
4170 QError *qerror;
4171
4172 assert(qemu_error_sink != NULL);
4173
4174 va_start(va, fmt);
4175 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4176 va_end(va);
4177
4178 switch (qemu_error_sink->dest) {
4179 case ERR_SINK_FILE:
4180 qerror_print(qerror);
4181 QDECREF(qerror);
4182 break;
4183 case ERR_SINK_MONITOR:
4184 assert(qemu_error_sink->mon->error == NULL);
4185 qemu_error_sink->mon->error = qerror;
4186 break;
4187 }
4188 }
Stefan Hajnoczi's patches