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block migration: Fix coding style and whitespaces
[qemu/aliguori-queue.git] / monitor.c
blob5bf32f0a8e459f8a8193c6efbbc01ac425bd4873
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58
59 //#define DEBUG
60 //#define DEBUG_COMPLETION
61
62 /*
63 * Supported types:
64 *
65 * 'F' filename
66 * 'B' block device name
67 * 's' string (accept optional quote)
68 * 'i' 32 bit integer
69 * 'l' target long (32 or 64 bit)
70 * '/' optional gdb-like print format (like "/10x")
71 *
72 * '?' optional type (for all types, except '/')
73 * '.' other form of optional type (for 'i' and 'l')
74 * '-' optional parameter (eg. '-f')
75 *
76 */
77
78 typedef struct mon_cmd_t {
79 const char *name;
80 const char *args_type;
81 const char *params;
82 const char *help;
83 void (*user_print)(Monitor *mon, const QObject *data);
84 union {
85 void (*info)(Monitor *mon);
86 void (*info_new)(Monitor *mon, QObject **ret_data);
87 void (*cmd)(Monitor *mon, const QDict *qdict);
88 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
89 } mhandler;
90 } mon_cmd_t;
91
92 /* file descriptors passed via SCM_RIGHTS */
93 typedef struct mon_fd_t mon_fd_t;
94 struct mon_fd_t {
95 char *name;
96 int fd;
97 QLIST_ENTRY(mon_fd_t) next;
98 };
99
100 typedef struct MonitorControl {
101 QObject *id;
102 int print_enabled;
103 JSONMessageParser parser;
104 } MonitorControl;
105
106 struct Monitor {
107 CharDriverState *chr;
108 int mux_out;
109 int reset_seen;
110 int flags;
111 int suspend_cnt;
112 uint8_t outbuf[1024];
113 int outbuf_index;
114 ReadLineState *rs;
115 MonitorControl *mc;
116 CPUState *mon_cpu;
117 BlockDriverCompletionFunc *password_completion_cb;
118 void *password_opaque;
119 QError *error;
120 QLIST_HEAD(,mon_fd_t) fds;
121 QLIST_ENTRY(Monitor) entry;
122 };
123
124 static QLIST_HEAD(mon_list, Monitor) mon_list;
125
126 static const mon_cmd_t mon_cmds[];
127 static const mon_cmd_t info_cmds[];
128
129 Monitor *cur_mon = NULL;
130
131 static void monitor_command_cb(Monitor *mon, const char *cmdline,
132 void *opaque);
133
134 /* Return true if in control mode, false otherwise */
135 static inline int monitor_ctrl_mode(const Monitor *mon)
136 {
137 return (mon->flags & MONITOR_USE_CONTROL);
138 }
139
140 static void monitor_read_command(Monitor *mon, int show_prompt)
141 {
142 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
143 if (show_prompt)
144 readline_show_prompt(mon->rs);
145 }
146
147 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
148 void *opaque)
149 {
150 if (mon->rs) {
151 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
152 /* prompt is printed on return from the command handler */
153 return 0;
154 } else {
155 monitor_printf(mon, "terminal does not support password prompting\n");
156 return -ENOTTY;
157 }
158 }
159
160 void monitor_flush(Monitor *mon)
161 {
162 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
163 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
164 mon->outbuf_index = 0;
165 }
166 }
167
168 /* flush at every end of line or if the buffer is full */
169 static void monitor_puts(Monitor *mon, const char *str)
170 {
171 char c;
172
173 if (!mon)
174 return;
175
176 for(;;) {
177 c = *str++;
178 if (c == '\0')
179 break;
180 if (c == '\n')
181 mon->outbuf[mon->outbuf_index++] = '\r';
182 mon->outbuf[mon->outbuf_index++] = c;
183 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
184 || c == '\n')
185 monitor_flush(mon);
186 }
187 }
188
189 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
190 {
191 if (mon->mc && !mon->mc->print_enabled) {
192 qemu_error_new(QERR_UNDEFINED_ERROR);
193 } else {
194 char buf[4096];
195 vsnprintf(buf, sizeof(buf), fmt, ap);
196 monitor_puts(mon, buf);
197 }
198 }
199
200 void monitor_printf(Monitor *mon, const char *fmt, ...)
201 {
202 va_list ap;
203 va_start(ap, fmt);
204 monitor_vprintf(mon, fmt, ap);
205 va_end(ap);
206 }
207
208 void monitor_print_filename(Monitor *mon, const char *filename)
209 {
210 int i;
211
212 for (i = 0; filename[i]; i++) {
213 switch (filename[i]) {
214 case ' ':
215 case '"':
216 case '\\':
217 monitor_printf(mon, "\\%c", filename[i]);
218 break;
219 case '\t':
220 monitor_printf(mon, "\\t");
221 break;
222 case '\r':
223 monitor_printf(mon, "\\r");
224 break;
225 case '\n':
226 monitor_printf(mon, "\\n");
227 break;
228 default:
229 monitor_printf(mon, "%c", filename[i]);
230 break;
231 }
232 }
233 }
234
235 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
236 {
237 va_list ap;
238 va_start(ap, fmt);
239 monitor_vprintf((Monitor *)stream, fmt, ap);
240 va_end(ap);
241 return 0;
242 }
243
244 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
245
246 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
247 {
248 return cmd->user_print != NULL;
249 }
250
251 static inline int monitor_has_error(const Monitor *mon)
252 {
253 return mon->error != NULL;
254 }
255
256 static void monitor_print_qobject(Monitor *mon, const QObject *data)
257 {
258 switch (qobject_type(data)) {
259 case QTYPE_QSTRING:
260 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
261 break;
262 case QTYPE_QINT:
263 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
264 break;
265 default:
266 monitor_printf(mon, "ERROR: unsupported type: %d",
267 qobject_type(data));
268 break;
269 }
270
271 monitor_puts(mon, "\n");
272 }
273
274 static void monitor_json_emitter(Monitor *mon, const QObject *data)
275 {
276 QString *json;
277
278 json = qobject_to_json(data);
279 assert(json != NULL);
280
281 mon->mc->print_enabled = 1;
282 monitor_printf(mon, "%s\n", qstring_get_str(json));
283 mon->mc->print_enabled = 0;
284
285 QDECREF(json);
286 }
287
288 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
289 {
290 QDict *qmp;
291
292 qmp = qdict_new();
293
294 if (!monitor_has_error(mon)) {
295 /* success response */
296 if (data) {
297 qobject_incref(data);
298 qdict_put_obj(qmp, "return", data);
299 } else {
300 qdict_put(qmp, "return", qstring_from_str("OK"));
301 }
302 } else {
303 /* error response */
304 qdict_put(qmp, "error", mon->error->error);
305 QINCREF(mon->error->error);
306 QDECREF(mon->error);
307 mon->error = NULL;
308 }
309
310 if (mon->mc->id) {
311 qdict_put_obj(qmp, "id", mon->mc->id);
312 mon->mc->id = NULL;
313 }
314
315 monitor_json_emitter(mon, QOBJECT(qmp));
316 QDECREF(qmp);
317 }
318
319 static void timestamp_put(QDict *qdict)
320 {
321 int err;
322 QObject *obj;
323 struct timeval tv;
324
325 err = gettimeofday(&tv, NULL);
326 if (err < 0)
327 return;
328
329 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
330 "'microseconds': %" PRId64 " }",
331 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
332 assert(obj != NULL);
333
334 qdict_put_obj(qdict, "timestamp", obj);
335 }
336
337 /**
338 * monitor_protocol_event(): Generate a Monitor event
339 *
340 * Event-specific data can be emitted through the (optional) 'data' parameter.
341 */
342 void monitor_protocol_event(MonitorEvent event, QObject *data)
343 {
344 QDict *qmp;
345 const char *event_name;
346 Monitor *mon = cur_mon;
347
348 assert(event < EVENT_MAX);
349
350 if (!monitor_ctrl_mode(mon))
351 return;
352
353 switch (event) {
354 case EVENT_DEBUG:
355 event_name = "DEBUG";
356 break;
357 case EVENT_SHUTDOWN:
358 event_name = "SHUTDOWN";
359 break;
360 case EVENT_RESET:
361 event_name = "RESET";
362 break;
363 case EVENT_POWERDOWN:
364 event_name = "POWERDOWN";
365 break;
366 case EVENT_STOP:
367 event_name = "STOP";
368 break;
369 default:
370 abort();
371 break;
372 }
373
374 qmp = qdict_new();
375 timestamp_put(qmp);
376 qdict_put(qmp, "event", qstring_from_str(event_name));
377 if (data)
378 qdict_put_obj(qmp, "data", data);
379
380 monitor_json_emitter(mon, QOBJECT(qmp));
381 QDECREF(qmp);
382 }
383
384 static int compare_cmd(const char *name, const char *list)
385 {
386 const char *p, *pstart;
387 int len;
388 len = strlen(name);
389 p = list;
390 for(;;) {
391 pstart = p;
392 p = strchr(p, '|');
393 if (!p)
394 p = pstart + strlen(pstart);
395 if ((p - pstart) == len && !memcmp(pstart, name, len))
396 return 1;
397 if (*p == '\0')
398 break;
399 p++;
400 }
401 return 0;
402 }
403
404 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
405 const char *prefix, const char *name)
406 {
407 const mon_cmd_t *cmd;
408
409 for(cmd = cmds; cmd->name != NULL; cmd++) {
410 if (!name || !strcmp(name, cmd->name))
411 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
412 cmd->params, cmd->help);
413 }
414 }
415
416 static void help_cmd(Monitor *mon, const char *name)
417 {
418 if (name && !strcmp(name, "info")) {
419 help_cmd_dump(mon, info_cmds, "info ", NULL);
420 } else {
421 help_cmd_dump(mon, mon_cmds, "", name);
422 if (name && !strcmp(name, "log")) {
423 const CPULogItem *item;
424 monitor_printf(mon, "Log items (comma separated):\n");
425 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
426 for(item = cpu_log_items; item->mask != 0; item++) {
427 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
428 }
429 }
430 }
431 }
432
433 static void do_help_cmd(Monitor *mon, const QDict *qdict)
434 {
435 help_cmd(mon, qdict_get_try_str(qdict, "name"));
436 }
437
438 static void do_commit(Monitor *mon, const QDict *qdict)
439 {
440 int all_devices;
441 DriveInfo *dinfo;
442 const char *device = qdict_get_str(qdict, "device");
443
444 all_devices = !strcmp(device, "all");
445 QTAILQ_FOREACH(dinfo, &drives, next) {
446 if (!all_devices)
447 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
448 continue;
449 bdrv_commit(dinfo->bdrv);
450 }
451 }
452
453 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
454 {
455 const mon_cmd_t *cmd;
456 const char *item = qdict_get_try_str(qdict, "item");
457
458 if (!item) {
459 assert(monitor_ctrl_mode(mon) == 0);
460 goto help;
461 }
462
463 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
464 if (compare_cmd(item, cmd->name))
465 break;
466 }
467
468 if (cmd->name == NULL) {
469 if (monitor_ctrl_mode(mon)) {
470 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
471 return;
472 }
473 goto help;
474 }
475
476 if (monitor_handler_ported(cmd)) {
477 cmd->mhandler.info_new(mon, ret_data);
478
479 if (!monitor_ctrl_mode(mon)) {
480 /*
481 * User Protocol function is called here, Monitor Protocol is
482 * handled by monitor_call_handler()
483 */
484 if (*ret_data)
485 cmd->user_print(mon, *ret_data);
486 }
487 } else {
488 if (monitor_ctrl_mode(mon)) {
489 /* handler not converted yet */
490 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
491 } else {
492 cmd->mhandler.info(mon);
493 }
494 }
495
496 return;
497
498 help:
499 help_cmd(mon, "info");
500 }
501
502 /**
503 * do_info_version(): Show QEMU version
504 */
505 static void do_info_version(Monitor *mon, QObject **ret_data)
506 {
507 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
508 }
509
510 static void do_info_name(Monitor *mon)
511 {
512 if (qemu_name)
513 monitor_printf(mon, "%s\n", qemu_name);
514 }
515
516 /**
517 * do_info_commands(): List QMP available commands
518 *
519 * Return a QList of QStrings.
520 */
521 static void do_info_commands(Monitor *mon, QObject **ret_data)
522 {
523 QList *cmd_list;
524 const mon_cmd_t *cmd;
525
526 cmd_list = qlist_new();
527
528 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
529 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
530 qlist_append(cmd_list, qstring_from_str(cmd->name));
531 }
532 }
533
534 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
535 if (monitor_handler_ported(cmd)) {
536 char buf[128];
537 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
538 qlist_append(cmd_list, qstring_from_str(buf));
539 }
540 }
541
542 *ret_data = QOBJECT(cmd_list);
543 }
544
545 #if defined(TARGET_I386)
546 static void do_info_hpet(Monitor *mon)
547 {
548 monitor_printf(mon, "HPET is %s by QEMU\n",
549 (no_hpet) ? "disabled" : "enabled");
550 }
551 #endif
552
553 static void do_info_uuid(Monitor *mon)
554 {
555 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
556 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
557 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
558 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
559 qemu_uuid[14], qemu_uuid[15]);
560 }
561
562 /* get the current CPU defined by the user */
563 static int mon_set_cpu(int cpu_index)
564 {
565 CPUState *env;
566
567 for(env = first_cpu; env != NULL; env = env->next_cpu) {
568 if (env->cpu_index == cpu_index) {
569 cur_mon->mon_cpu = env;
570 return 0;
571 }
572 }
573 return -1;
574 }
575
576 static CPUState *mon_get_cpu(void)
577 {
578 if (!cur_mon->mon_cpu) {
579 mon_set_cpu(0);
580 }
581 cpu_synchronize_state(cur_mon->mon_cpu);
582 return cur_mon->mon_cpu;
583 }
584
585 static void do_info_registers(Monitor *mon)
586 {
587 CPUState *env;
588 env = mon_get_cpu();
589 if (!env)
590 return;
591 #ifdef TARGET_I386
592 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
593 X86_DUMP_FPU);
594 #else
595 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
596 0);
597 #endif
598 }
599
600 static void print_cpu_iter(QObject *obj, void *opaque)
601 {
602 QDict *cpu;
603 int active = ' ';
604 Monitor *mon = opaque;
605
606 assert(qobject_type(obj) == QTYPE_QDICT);
607 cpu = qobject_to_qdict(obj);
608
609 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
610 active = '*';
611
612 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
613
614 #if defined(TARGET_I386)
615 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
616 (target_ulong) qdict_get_int(cpu, "pc"));
617 #elif defined(TARGET_PPC)
618 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
619 (target_long) qdict_get_int(cpu, "nip"));
620 #elif defined(TARGET_SPARC)
621 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
622 (target_long) qdict_get_int(cpu, "pc"));
623 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
624 (target_long) qdict_get_int(cpu, "npc"));
625 #elif defined(TARGET_MIPS)
626 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
627 (target_long) qdict_get_int(cpu, "PC"));
628 #endif
629
630 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
631 monitor_printf(mon, " (halted)");
632
633 monitor_printf(mon, "\n");
634 }
635
636 static void monitor_print_cpus(Monitor *mon, const QObject *data)
637 {
638 QList *cpu_list;
639
640 assert(qobject_type(data) == QTYPE_QLIST);
641 cpu_list = qobject_to_qlist(data);
642 qlist_iter(cpu_list, print_cpu_iter, mon);
643 }
644
645 /**
646 * do_info_cpus(): Show CPU information
647 *
648 * Return a QList with a QDict for each CPU.
649 *
650 * For example:
651 *
652 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
653 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
654 */
655 static void do_info_cpus(Monitor *mon, QObject **ret_data)
656 {
657 CPUState *env;
658 QList *cpu_list;
659
660 cpu_list = qlist_new();
661
662 /* just to set the default cpu if not already done */
663 mon_get_cpu();
664
665 for(env = first_cpu; env != NULL; env = env->next_cpu) {
666 const char *answer;
667 QDict *cpu = qdict_new();
668
669 cpu_synchronize_state(env);
670
671 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
672 answer = (env == mon->mon_cpu) ? "yes" : "no";
673 qdict_put(cpu, "current", qstring_from_str(answer));
674
675 #if defined(TARGET_I386)
676 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
677 #elif defined(TARGET_PPC)
678 qdict_put(cpu, "nip", qint_from_int(env->nip));
679 #elif defined(TARGET_SPARC)
680 qdict_put(cpu, "pc", qint_from_int(env->pc));
681 qdict_put(cpu, "npc", qint_from_int(env->npc));
682 #elif defined(TARGET_MIPS)
683 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
684 #endif
685 answer = env->halted ? "yes" : "no";
686 qdict_put(cpu, "halted", qstring_from_str(answer));
687
688 qlist_append(cpu_list, cpu);
689 }
690
691 *ret_data = QOBJECT(cpu_list);
692 }
693
694 static void do_cpu_set(Monitor *mon, const QDict *qdict)
695 {
696 int index = qdict_get_int(qdict, "index");
697 if (mon_set_cpu(index) < 0)
698 monitor_printf(mon, "Invalid CPU index\n");
699 }
700
701 static void do_info_jit(Monitor *mon)
702 {
703 dump_exec_info((FILE *)mon, monitor_fprintf);
704 }
705
706 static void do_info_history(Monitor *mon)
707 {
708 int i;
709 const char *str;
710
711 if (!mon->rs)
712 return;
713 i = 0;
714 for(;;) {
715 str = readline_get_history(mon->rs, i);
716 if (!str)
717 break;
718 monitor_printf(mon, "%d: '%s'\n", i, str);
719 i++;
720 }
721 }
722
723 #if defined(TARGET_PPC)
724 /* XXX: not implemented in other targets */
725 static void do_info_cpu_stats(Monitor *mon)
726 {
727 CPUState *env;
728
729 env = mon_get_cpu();
730 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
731 }
732 #endif
733
734 /**
735 * do_quit(): Quit QEMU execution
736 */
737 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
738 {
739 exit(0);
740 }
741
742 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
743 {
744 if (bdrv_is_inserted(bs)) {
745 if (!force) {
746 if (!bdrv_is_removable(bs)) {
747 monitor_printf(mon, "device is not removable\n");
748 return -1;
749 }
750 if (bdrv_is_locked(bs)) {
751 monitor_printf(mon, "device is locked\n");
752 return -1;
753 }
754 }
755 bdrv_close(bs);
756 }
757 return 0;
758 }
759
760 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
761 {
762 BlockDriverState *bs;
763 int force = qdict_get_int(qdict, "force");
764 const char *filename = qdict_get_str(qdict, "filename");
765
766 bs = bdrv_find(filename);
767 if (!bs) {
768 monitor_printf(mon, "device not found\n");
769 return;
770 }
771 eject_device(mon, bs, force);
772 }
773
774 static void do_change_block(Monitor *mon, const char *device,
775 const char *filename, const char *fmt)
776 {
777 BlockDriverState *bs;
778 BlockDriver *drv = NULL;
779
780 bs = bdrv_find(device);
781 if (!bs) {
782 monitor_printf(mon, "device not found\n");
783 return;
784 }
785 if (fmt) {
786 drv = bdrv_find_whitelisted_format(fmt);
787 if (!drv) {
788 monitor_printf(mon, "invalid format %s\n", fmt);
789 return;
790 }
791 }
792 if (eject_device(mon, bs, 0) < 0)
793 return;
794 bdrv_open2(bs, filename, 0, drv);
795 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
796 }
797
798 static void change_vnc_password_cb(Monitor *mon, const char *password,
799 void *opaque)
800 {
801 if (vnc_display_password(NULL, password) < 0)
802 monitor_printf(mon, "could not set VNC server password\n");
803
804 monitor_read_command(mon, 1);
805 }
806
807 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
808 {
809 if (strcmp(target, "passwd") == 0 ||
810 strcmp(target, "password") == 0) {
811 if (arg) {
812 char password[9];
813 strncpy(password, arg, sizeof(password));
814 password[sizeof(password) - 1] = '\0';
815 change_vnc_password_cb(mon, password, NULL);
816 } else {
817 monitor_read_password(mon, change_vnc_password_cb, NULL);
818 }
819 } else {
820 if (vnc_display_open(NULL, target) < 0)
821 monitor_printf(mon, "could not start VNC server on %s\n", target);
822 }
823 }
824
825 static void do_change(Monitor *mon, const QDict *qdict)
826 {
827 const char *device = qdict_get_str(qdict, "device");
828 const char *target = qdict_get_str(qdict, "target");
829 const char *arg = qdict_get_try_str(qdict, "arg");
830 if (strcmp(device, "vnc") == 0) {
831 do_change_vnc(mon, target, arg);
832 } else {
833 do_change_block(mon, device, target, arg);
834 }
835 }
836
837 static void do_screen_dump(Monitor *mon, const QDict *qdict)
838 {
839 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
840 }
841
842 static void do_logfile(Monitor *mon, const QDict *qdict)
843 {
844 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
845 }
846
847 static void do_log(Monitor *mon, const QDict *qdict)
848 {
849 int mask;
850 const char *items = qdict_get_str(qdict, "items");
851
852 if (!strcmp(items, "none")) {
853 mask = 0;
854 } else {
855 mask = cpu_str_to_log_mask(items);
856 if (!mask) {
857 help_cmd(mon, "log");
858 return;
859 }
860 }
861 cpu_set_log(mask);
862 }
863
864 static void do_singlestep(Monitor *mon, const QDict *qdict)
865 {
866 const char *option = qdict_get_try_str(qdict, "option");
867 if (!option || !strcmp(option, "on")) {
868 singlestep = 1;
869 } else if (!strcmp(option, "off")) {
870 singlestep = 0;
871 } else {
872 monitor_printf(mon, "unexpected option %s\n", option);
873 }
874 }
875
876 /**
877 * do_stop(): Stop VM execution
878 */
879 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
880 {
881 vm_stop(EXCP_INTERRUPT);
882 }
883
884 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
885
886 struct bdrv_iterate_context {
887 Monitor *mon;
888 int err;
889 };
890
891 /**
892 * do_cont(): Resume emulation.
893 */
894 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
895 {
896 struct bdrv_iterate_context context = { mon, 0 };
897
898 bdrv_iterate(encrypted_bdrv_it, &context);
899 /* only resume the vm if all keys are set and valid */
900 if (!context.err)
901 vm_start();
902 }
903
904 static void bdrv_key_cb(void *opaque, int err)
905 {
906 Monitor *mon = opaque;
907
908 /* another key was set successfully, retry to continue */
909 if (!err)
910 do_cont(mon, NULL, NULL);
911 }
912
913 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
914 {
915 struct bdrv_iterate_context *context = opaque;
916
917 if (!context->err && bdrv_key_required(bs)) {
918 context->err = -EBUSY;
919 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
920 context->mon);
921 }
922 }
923
924 static void do_gdbserver(Monitor *mon, const QDict *qdict)
925 {
926 const char *device = qdict_get_try_str(qdict, "device");
927 if (!device)
928 device = "tcp::" DEFAULT_GDBSTUB_PORT;
929 if (gdbserver_start(device) < 0) {
930 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
931 device);
932 } else if (strcmp(device, "none") == 0) {
933 monitor_printf(mon, "Disabled gdbserver\n");
934 } else {
935 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
936 device);
937 }
938 }
939
940 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
941 {
942 const char *action = qdict_get_str(qdict, "action");
943 if (select_watchdog_action(action) == -1) {
944 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
945 }
946 }
947
948 static void monitor_printc(Monitor *mon, int c)
949 {
950 monitor_printf(mon, "'");
951 switch(c) {
952 case '\'':
953 monitor_printf(mon, "\\'");
954 break;
955 case '\\':
956 monitor_printf(mon, "\\\\");
957 break;
958 case '\n':
959 monitor_printf(mon, "\\n");
960 break;
961 case '\r':
962 monitor_printf(mon, "\\r");
963 break;
964 default:
965 if (c >= 32 && c <= 126) {
966 monitor_printf(mon, "%c", c);
967 } else {
968 monitor_printf(mon, "\\x%02x", c);
969 }
970 break;
971 }
972 monitor_printf(mon, "'");
973 }
974
975 static void memory_dump(Monitor *mon, int count, int format, int wsize,
976 target_phys_addr_t addr, int is_physical)
977 {
978 CPUState *env;
979 int nb_per_line, l, line_size, i, max_digits, len;
980 uint8_t buf[16];
981 uint64_t v;
982
983 if (format == 'i') {
984 int flags;
985 flags = 0;
986 env = mon_get_cpu();
987 if (!env && !is_physical)
988 return;
989 #ifdef TARGET_I386
990 if (wsize == 2) {
991 flags = 1;
992 } else if (wsize == 4) {
993 flags = 0;
994 } else {
995 /* as default we use the current CS size */
996 flags = 0;
997 if (env) {
998 #ifdef TARGET_X86_64
999 if ((env->efer & MSR_EFER_LMA) &&
1000 (env->segs[R_CS].flags & DESC_L_MASK))
1001 flags = 2;
1002 else
1003 #endif
1004 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1005 flags = 1;
1006 }
1007 }
1008 #endif
1009 monitor_disas(mon, env, addr, count, is_physical, flags);
1010 return;
1011 }
1012
1013 len = wsize * count;
1014 if (wsize == 1)
1015 line_size = 8;
1016 else
1017 line_size = 16;
1018 nb_per_line = line_size / wsize;
1019 max_digits = 0;
1020
1021 switch(format) {
1022 case 'o':
1023 max_digits = (wsize * 8 + 2) / 3;
1024 break;
1025 default:
1026 case 'x':
1027 max_digits = (wsize * 8) / 4;
1028 break;
1029 case 'u':
1030 case 'd':
1031 max_digits = (wsize * 8 * 10 + 32) / 33;
1032 break;
1033 case 'c':
1034 wsize = 1;
1035 break;
1036 }
1037
1038 while (len > 0) {
1039 if (is_physical)
1040 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1041 else
1042 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1043 l = len;
1044 if (l > line_size)
1045 l = line_size;
1046 if (is_physical) {
1047 cpu_physical_memory_rw(addr, buf, l, 0);
1048 } else {
1049 env = mon_get_cpu();
1050 if (!env)
1051 break;
1052 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1053 monitor_printf(mon, " Cannot access memory\n");
1054 break;
1055 }
1056 }
1057 i = 0;
1058 while (i < l) {
1059 switch(wsize) {
1060 default:
1061 case 1:
1062 v = ldub_raw(buf + i);
1063 break;
1064 case 2:
1065 v = lduw_raw(buf + i);
1066 break;
1067 case 4:
1068 v = (uint32_t)ldl_raw(buf + i);
1069 break;
1070 case 8:
1071 v = ldq_raw(buf + i);
1072 break;
1073 }
1074 monitor_printf(mon, " ");
1075 switch(format) {
1076 case 'o':
1077 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1078 break;
1079 case 'x':
1080 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1081 break;
1082 case 'u':
1083 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1084 break;
1085 case 'd':
1086 monitor_printf(mon, "%*" PRId64, max_digits, v);
1087 break;
1088 case 'c':
1089 monitor_printc(mon, v);
1090 break;
1091 }
1092 i += wsize;
1093 }
1094 monitor_printf(mon, "\n");
1095 addr += l;
1096 len -= l;
1097 }
1098 }
1099
1100 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1101 {
1102 int count = qdict_get_int(qdict, "count");
1103 int format = qdict_get_int(qdict, "format");
1104 int size = qdict_get_int(qdict, "size");
1105 target_long addr = qdict_get_int(qdict, "addr");
1106
1107 memory_dump(mon, count, format, size, addr, 0);
1108 }
1109
1110 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1111 {
1112 int count = qdict_get_int(qdict, "count");
1113 int format = qdict_get_int(qdict, "format");
1114 int size = qdict_get_int(qdict, "size");
1115 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1116
1117 memory_dump(mon, count, format, size, addr, 1);
1118 }
1119
1120 static void do_print(Monitor *mon, const QDict *qdict)
1121 {
1122 int format = qdict_get_int(qdict, "format");
1123 target_phys_addr_t val = qdict_get_int(qdict, "val");
1124
1125 #if TARGET_PHYS_ADDR_BITS == 32
1126 switch(format) {
1127 case 'o':
1128 monitor_printf(mon, "%#o", val);
1129 break;
1130 case 'x':
1131 monitor_printf(mon, "%#x", val);
1132 break;
1133 case 'u':
1134 monitor_printf(mon, "%u", val);
1135 break;
1136 default:
1137 case 'd':
1138 monitor_printf(mon, "%d", val);
1139 break;
1140 case 'c':
1141 monitor_printc(mon, val);
1142 break;
1143 }
1144 #else
1145 switch(format) {
1146 case 'o':
1147 monitor_printf(mon, "%#" PRIo64, val);
1148 break;
1149 case 'x':
1150 monitor_printf(mon, "%#" PRIx64, val);
1151 break;
1152 case 'u':
1153 monitor_printf(mon, "%" PRIu64, val);
1154 break;
1155 default:
1156 case 'd':
1157 monitor_printf(mon, "%" PRId64, val);
1158 break;
1159 case 'c':
1160 monitor_printc(mon, val);
1161 break;
1162 }
1163 #endif
1164 monitor_printf(mon, "\n");
1165 }
1166
1167 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1168 {
1169 FILE *f;
1170 uint32_t size = qdict_get_int(qdict, "size");
1171 const char *filename = qdict_get_str(qdict, "filename");
1172 target_long addr = qdict_get_int(qdict, "val");
1173 uint32_t l;
1174 CPUState *env;
1175 uint8_t buf[1024];
1176
1177 env = mon_get_cpu();
1178 if (!env)
1179 return;
1180
1181 f = fopen(filename, "wb");
1182 if (!f) {
1183 monitor_printf(mon, "could not open '%s'\n", filename);
1184 return;
1185 }
1186 while (size != 0) {
1187 l = sizeof(buf);
1188 if (l > size)
1189 l = size;
1190 cpu_memory_rw_debug(env, addr, buf, l, 0);
1191 fwrite(buf, 1, l, f);
1192 addr += l;
1193 size -= l;
1194 }
1195 fclose(f);
1196 }
1197
1198 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1199 QObject **ret_data)
1200 {
1201 FILE *f;
1202 uint32_t l;
1203 uint8_t buf[1024];
1204 uint32_t size = qdict_get_int(qdict, "size");
1205 const char *filename = qdict_get_str(qdict, "filename");
1206 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1207
1208 f = fopen(filename, "wb");
1209 if (!f) {
1210 monitor_printf(mon, "could not open '%s'\n", filename);
1211 return;
1212 }
1213 while (size != 0) {
1214 l = sizeof(buf);
1215 if (l > size)
1216 l = size;
1217 cpu_physical_memory_rw(addr, buf, l, 0);
1218 fwrite(buf, 1, l, f);
1219 fflush(f);
1220 addr += l;
1221 size -= l;
1222 }
1223 fclose(f);
1224 }
1225
1226 static void do_sum(Monitor *mon, const QDict *qdict)
1227 {
1228 uint32_t addr;
1229 uint8_t buf[1];
1230 uint16_t sum;
1231 uint32_t start = qdict_get_int(qdict, "start");
1232 uint32_t size = qdict_get_int(qdict, "size");
1233
1234 sum = 0;
1235 for(addr = start; addr < (start + size); addr++) {
1236 cpu_physical_memory_rw(addr, buf, 1, 0);
1237 /* BSD sum algorithm ('sum' Unix command) */
1238 sum = (sum >> 1) | (sum << 15);
1239 sum += buf[0];
1240 }
1241 monitor_printf(mon, "%05d\n", sum);
1242 }
1243
1244 typedef struct {
1245 int keycode;
1246 const char *name;
1247 } KeyDef;
1248
1249 static const KeyDef key_defs[] = {
1250 { 0x2a, "shift" },
1251 { 0x36, "shift_r" },
1252
1253 { 0x38, "alt" },
1254 { 0xb8, "alt_r" },
1255 { 0x64, "altgr" },
1256 { 0xe4, "altgr_r" },
1257 { 0x1d, "ctrl" },
1258 { 0x9d, "ctrl_r" },
1259
1260 { 0xdd, "menu" },
1261
1262 { 0x01, "esc" },
1263
1264 { 0x02, "1" },
1265 { 0x03, "2" },
1266 { 0x04, "3" },
1267 { 0x05, "4" },
1268 { 0x06, "5" },
1269 { 0x07, "6" },
1270 { 0x08, "7" },
1271 { 0x09, "8" },
1272 { 0x0a, "9" },
1273 { 0x0b, "0" },
1274 { 0x0c, "minus" },
1275 { 0x0d, "equal" },
1276 { 0x0e, "backspace" },
1277
1278 { 0x0f, "tab" },
1279 { 0x10, "q" },
1280 { 0x11, "w" },
1281 { 0x12, "e" },
1282 { 0x13, "r" },
1283 { 0x14, "t" },
1284 { 0x15, "y" },
1285 { 0x16, "u" },
1286 { 0x17, "i" },
1287 { 0x18, "o" },
1288 { 0x19, "p" },
1289
1290 { 0x1c, "ret" },
1291
1292 { 0x1e, "a" },
1293 { 0x1f, "s" },
1294 { 0x20, "d" },
1295 { 0x21, "f" },
1296 { 0x22, "g" },
1297 { 0x23, "h" },
1298 { 0x24, "j" },
1299 { 0x25, "k" },
1300 { 0x26, "l" },
1301
1302 { 0x2c, "z" },
1303 { 0x2d, "x" },
1304 { 0x2e, "c" },
1305 { 0x2f, "v" },
1306 { 0x30, "b" },
1307 { 0x31, "n" },
1308 { 0x32, "m" },
1309 { 0x33, "comma" },
1310 { 0x34, "dot" },
1311 { 0x35, "slash" },
1312
1313 { 0x37, "asterisk" },
1314
1315 { 0x39, "spc" },
1316 { 0x3a, "caps_lock" },
1317 { 0x3b, "f1" },
1318 { 0x3c, "f2" },
1319 { 0x3d, "f3" },
1320 { 0x3e, "f4" },
1321 { 0x3f, "f5" },
1322 { 0x40, "f6" },
1323 { 0x41, "f7" },
1324 { 0x42, "f8" },
1325 { 0x43, "f9" },
1326 { 0x44, "f10" },
1327 { 0x45, "num_lock" },
1328 { 0x46, "scroll_lock" },
1329
1330 { 0xb5, "kp_divide" },
1331 { 0x37, "kp_multiply" },
1332 { 0x4a, "kp_subtract" },
1333 { 0x4e, "kp_add" },
1334 { 0x9c, "kp_enter" },
1335 { 0x53, "kp_decimal" },
1336 { 0x54, "sysrq" },
1337
1338 { 0x52, "kp_0" },
1339 { 0x4f, "kp_1" },
1340 { 0x50, "kp_2" },
1341 { 0x51, "kp_3" },
1342 { 0x4b, "kp_4" },
1343 { 0x4c, "kp_5" },
1344 { 0x4d, "kp_6" },
1345 { 0x47, "kp_7" },
1346 { 0x48, "kp_8" },
1347 { 0x49, "kp_9" },
1348
1349 { 0x56, "<" },
1350
1351 { 0x57, "f11" },
1352 { 0x58, "f12" },
1353
1354 { 0xb7, "print" },
1355
1356 { 0xc7, "home" },
1357 { 0xc9, "pgup" },
1358 { 0xd1, "pgdn" },
1359 { 0xcf, "end" },
1360
1361 { 0xcb, "left" },
1362 { 0xc8, "up" },
1363 { 0xd0, "down" },
1364 { 0xcd, "right" },
1365
1366 { 0xd2, "insert" },
1367 { 0xd3, "delete" },
1368 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1369 { 0xf0, "stop" },
1370 { 0xf1, "again" },
1371 { 0xf2, "props" },
1372 { 0xf3, "undo" },
1373 { 0xf4, "front" },
1374 { 0xf5, "copy" },
1375 { 0xf6, "open" },
1376 { 0xf7, "paste" },
1377 { 0xf8, "find" },
1378 { 0xf9, "cut" },
1379 { 0xfa, "lf" },
1380 { 0xfb, "help" },
1381 { 0xfc, "meta_l" },
1382 { 0xfd, "meta_r" },
1383 { 0xfe, "compose" },
1384 #endif
1385 { 0, NULL },
1386 };
1387
1388 static int get_keycode(const char *key)
1389 {
1390 const KeyDef *p;
1391 char *endp;
1392 int ret;
1393
1394 for(p = key_defs; p->name != NULL; p++) {
1395 if (!strcmp(key, p->name))
1396 return p->keycode;
1397 }
1398 if (strstart(key, "0x", NULL)) {
1399 ret = strtoul(key, &endp, 0);
1400 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1401 return ret;
1402 }
1403 return -1;
1404 }
1405
1406 #define MAX_KEYCODES 16
1407 static uint8_t keycodes[MAX_KEYCODES];
1408 static int nb_pending_keycodes;
1409 static QEMUTimer *key_timer;
1410
1411 static void release_keys(void *opaque)
1412 {
1413 int keycode;
1414
1415 while (nb_pending_keycodes > 0) {
1416 nb_pending_keycodes--;
1417 keycode = keycodes[nb_pending_keycodes];
1418 if (keycode & 0x80)
1419 kbd_put_keycode(0xe0);
1420 kbd_put_keycode(keycode | 0x80);
1421 }
1422 }
1423
1424 static void do_sendkey(Monitor *mon, const QDict *qdict)
1425 {
1426 char keyname_buf[16];
1427 char *separator;
1428 int keyname_len, keycode, i;
1429 const char *string = qdict_get_str(qdict, "string");
1430 int has_hold_time = qdict_haskey(qdict, "hold_time");
1431 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1432
1433 if (nb_pending_keycodes > 0) {
1434 qemu_del_timer(key_timer);
1435 release_keys(NULL);
1436 }
1437 if (!has_hold_time)
1438 hold_time = 100;
1439 i = 0;
1440 while (1) {
1441 separator = strchr(string, '-');
1442 keyname_len = separator ? separator - string : strlen(string);
1443 if (keyname_len > 0) {
1444 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1445 if (keyname_len > sizeof(keyname_buf) - 1) {
1446 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1447 return;
1448 }
1449 if (i == MAX_KEYCODES) {
1450 monitor_printf(mon, "too many keys\n");
1451 return;
1452 }
1453 keyname_buf[keyname_len] = 0;
1454 keycode = get_keycode(keyname_buf);
1455 if (keycode < 0) {
1456 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1457 return;
1458 }
1459 keycodes[i++] = keycode;
1460 }
1461 if (!separator)
1462 break;
1463 string = separator + 1;
1464 }
1465 nb_pending_keycodes = i;
1466 /* key down events */
1467 for (i = 0; i < nb_pending_keycodes; i++) {
1468 keycode = keycodes[i];
1469 if (keycode & 0x80)
1470 kbd_put_keycode(0xe0);
1471 kbd_put_keycode(keycode & 0x7f);
1472 }
1473 /* delayed key up events */
1474 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1475 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1476 }
1477
1478 static int mouse_button_state;
1479
1480 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1481 {
1482 int dx, dy, dz;
1483 const char *dx_str = qdict_get_str(qdict, "dx_str");
1484 const char *dy_str = qdict_get_str(qdict, "dy_str");
1485 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1486 dx = strtol(dx_str, NULL, 0);
1487 dy = strtol(dy_str, NULL, 0);
1488 dz = 0;
1489 if (dz_str)
1490 dz = strtol(dz_str, NULL, 0);
1491 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1492 }
1493
1494 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1495 {
1496 int button_state = qdict_get_int(qdict, "button_state");
1497 mouse_button_state = button_state;
1498 kbd_mouse_event(0, 0, 0, mouse_button_state);
1499 }
1500
1501 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1502 {
1503 int size = qdict_get_int(qdict, "size");
1504 int addr = qdict_get_int(qdict, "addr");
1505 int has_index = qdict_haskey(qdict, "index");
1506 uint32_t val;
1507 int suffix;
1508
1509 if (has_index) {
1510 int index = qdict_get_int(qdict, "index");
1511 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1512 addr++;
1513 }
1514 addr &= 0xffff;
1515
1516 switch(size) {
1517 default:
1518 case 1:
1519 val = cpu_inb(addr);
1520 suffix = 'b';
1521 break;
1522 case 2:
1523 val = cpu_inw(addr);
1524 suffix = 'w';
1525 break;
1526 case 4:
1527 val = cpu_inl(addr);
1528 suffix = 'l';
1529 break;
1530 }
1531 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1532 suffix, addr, size * 2, val);
1533 }
1534
1535 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1536 {
1537 int size = qdict_get_int(qdict, "size");
1538 int addr = qdict_get_int(qdict, "addr");
1539 int val = qdict_get_int(qdict, "val");
1540
1541 addr &= IOPORTS_MASK;
1542
1543 switch (size) {
1544 default:
1545 case 1:
1546 cpu_outb(addr, val);
1547 break;
1548 case 2:
1549 cpu_outw(addr, val);
1550 break;
1551 case 4:
1552 cpu_outl(addr, val);
1553 break;
1554 }
1555 }
1556
1557 static void do_boot_set(Monitor *mon, const QDict *qdict)
1558 {
1559 int res;
1560 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1561
1562 res = qemu_boot_set(bootdevice);
1563 if (res == 0) {
1564 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1565 } else if (res > 0) {
1566 monitor_printf(mon, "setting boot device list failed\n");
1567 } else {
1568 monitor_printf(mon, "no function defined to set boot device list for "
1569 "this architecture\n");
1570 }
1571 }
1572
1573 /**
1574 * do_system_reset(): Issue a machine reset
1575 */
1576 static void do_system_reset(Monitor *mon, const QDict *qdict,
1577 QObject **ret_data)
1578 {
1579 qemu_system_reset_request();
1580 }
1581
1582 /**
1583 * do_system_powerdown(): Issue a machine powerdown
1584 */
1585 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1586 QObject **ret_data)
1587 {
1588 qemu_system_powerdown_request();
1589 }
1590
1591 #if defined(TARGET_I386)
1592 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1593 {
1594 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1595 addr,
1596 pte & mask,
1597 pte & PG_GLOBAL_MASK ? 'G' : '-',
1598 pte & PG_PSE_MASK ? 'P' : '-',
1599 pte & PG_DIRTY_MASK ? 'D' : '-',
1600 pte & PG_ACCESSED_MASK ? 'A' : '-',
1601 pte & PG_PCD_MASK ? 'C' : '-',
1602 pte & PG_PWT_MASK ? 'T' : '-',
1603 pte & PG_USER_MASK ? 'U' : '-',
1604 pte & PG_RW_MASK ? 'W' : '-');
1605 }
1606
1607 static void tlb_info(Monitor *mon)
1608 {
1609 CPUState *env;
1610 int l1, l2;
1611 uint32_t pgd, pde, pte;
1612
1613 env = mon_get_cpu();
1614 if (!env)
1615 return;
1616
1617 if (!(env->cr[0] & CR0_PG_MASK)) {
1618 monitor_printf(mon, "PG disabled\n");
1619 return;
1620 }
1621 pgd = env->cr[3] & ~0xfff;
1622 for(l1 = 0; l1 < 1024; l1++) {
1623 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1624 pde = le32_to_cpu(pde);
1625 if (pde & PG_PRESENT_MASK) {
1626 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1627 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1628 } else {
1629 for(l2 = 0; l2 < 1024; l2++) {
1630 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1631 (uint8_t *)&pte, 4);
1632 pte = le32_to_cpu(pte);
1633 if (pte & PG_PRESENT_MASK) {
1634 print_pte(mon, (l1 << 22) + (l2 << 12),
1635 pte & ~PG_PSE_MASK,
1636 ~0xfff);
1637 }
1638 }
1639 }
1640 }
1641 }
1642 }
1643
1644 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1645 uint32_t end, int prot)
1646 {
1647 int prot1;
1648 prot1 = *plast_prot;
1649 if (prot != prot1) {
1650 if (*pstart != -1) {
1651 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1652 *pstart, end, end - *pstart,
1653 prot1 & PG_USER_MASK ? 'u' : '-',
1654 'r',
1655 prot1 & PG_RW_MASK ? 'w' : '-');
1656 }
1657 if (prot != 0)
1658 *pstart = end;
1659 else
1660 *pstart = -1;
1661 *plast_prot = prot;
1662 }
1663 }
1664
1665 static void mem_info(Monitor *mon)
1666 {
1667 CPUState *env;
1668 int l1, l2, prot, last_prot;
1669 uint32_t pgd, pde, pte, start, end;
1670
1671 env = mon_get_cpu();
1672 if (!env)
1673 return;
1674
1675 if (!(env->cr[0] & CR0_PG_MASK)) {
1676 monitor_printf(mon, "PG disabled\n");
1677 return;
1678 }
1679 pgd = env->cr[3] & ~0xfff;
1680 last_prot = 0;
1681 start = -1;
1682 for(l1 = 0; l1 < 1024; l1++) {
1683 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1684 pde = le32_to_cpu(pde);
1685 end = l1 << 22;
1686 if (pde & PG_PRESENT_MASK) {
1687 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1688 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1689 mem_print(mon, &start, &last_prot, end, prot);
1690 } else {
1691 for(l2 = 0; l2 < 1024; l2++) {
1692 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1693 (uint8_t *)&pte, 4);
1694 pte = le32_to_cpu(pte);
1695 end = (l1 << 22) + (l2 << 12);
1696 if (pte & PG_PRESENT_MASK) {
1697 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1698 } else {
1699 prot = 0;
1700 }
1701 mem_print(mon, &start, &last_prot, end, prot);
1702 }
1703 }
1704 } else {
1705 prot = 0;
1706 mem_print(mon, &start, &last_prot, end, prot);
1707 }
1708 }
1709 }
1710 #endif
1711
1712 #if defined(TARGET_SH4)
1713
1714 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1715 {
1716 monitor_printf(mon, " tlb%i:\t"
1717 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1718 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1719 "dirty=%hhu writethrough=%hhu\n",
1720 idx,
1721 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1722 tlb->v, tlb->sh, tlb->c, tlb->pr,
1723 tlb->d, tlb->wt);
1724 }
1725
1726 static void tlb_info(Monitor *mon)
1727 {
1728 CPUState *env = mon_get_cpu();
1729 int i;
1730
1731 monitor_printf (mon, "ITLB:\n");
1732 for (i = 0 ; i < ITLB_SIZE ; i++)
1733 print_tlb (mon, i, &env->itlb[i]);
1734 monitor_printf (mon, "UTLB:\n");
1735 for (i = 0 ; i < UTLB_SIZE ; i++)
1736 print_tlb (mon, i, &env->utlb[i]);
1737 }
1738
1739 #endif
1740
1741 static void do_info_kvm(Monitor *mon)
1742 {
1743 #ifdef CONFIG_KVM
1744 monitor_printf(mon, "kvm support: ");
1745 if (kvm_enabled())
1746 monitor_printf(mon, "enabled\n");
1747 else
1748 monitor_printf(mon, "disabled\n");
1749 #else
1750 monitor_printf(mon, "kvm support: not compiled\n");
1751 #endif
1752 }
1753
1754 static void do_info_numa(Monitor *mon)
1755 {
1756 int i;
1757 CPUState *env;
1758
1759 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1760 for (i = 0; i < nb_numa_nodes; i++) {
1761 monitor_printf(mon, "node %d cpus:", i);
1762 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1763 if (env->numa_node == i) {
1764 monitor_printf(mon, " %d", env->cpu_index);
1765 }
1766 }
1767 monitor_printf(mon, "\n");
1768 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1769 node_mem[i] >> 20);
1770 }
1771 }
1772
1773 #ifdef CONFIG_PROFILER
1774
1775 int64_t qemu_time;
1776 int64_t dev_time;
1777
1778 static void do_info_profile(Monitor *mon)
1779 {
1780 int64_t total;
1781 total = qemu_time;
1782 if (total == 0)
1783 total = 1;
1784 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1785 dev_time, dev_time / (double)get_ticks_per_sec());
1786 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1787 qemu_time, qemu_time / (double)get_ticks_per_sec());
1788 qemu_time = 0;
1789 dev_time = 0;
1790 }
1791 #else
1792 static void do_info_profile(Monitor *mon)
1793 {
1794 monitor_printf(mon, "Internal profiler not compiled\n");
1795 }
1796 #endif
1797
1798 /* Capture support */
1799 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1800
1801 static void do_info_capture(Monitor *mon)
1802 {
1803 int i;
1804 CaptureState *s;
1805
1806 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1807 monitor_printf(mon, "[%d]: ", i);
1808 s->ops.info (s->opaque);
1809 }
1810 }
1811
1812 #ifdef HAS_AUDIO
1813 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1814 {
1815 int i;
1816 int n = qdict_get_int(qdict, "n");
1817 CaptureState *s;
1818
1819 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1820 if (i == n) {
1821 s->ops.destroy (s->opaque);
1822 QLIST_REMOVE (s, entries);
1823 qemu_free (s);
1824 return;
1825 }
1826 }
1827 }
1828
1829 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1830 {
1831 const char *path = qdict_get_str(qdict, "path");
1832 int has_freq = qdict_haskey(qdict, "freq");
1833 int freq = qdict_get_try_int(qdict, "freq", -1);
1834 int has_bits = qdict_haskey(qdict, "bits");
1835 int bits = qdict_get_try_int(qdict, "bits", -1);
1836 int has_channels = qdict_haskey(qdict, "nchannels");
1837 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1838 CaptureState *s;
1839
1840 s = qemu_mallocz (sizeof (*s));
1841
1842 freq = has_freq ? freq : 44100;
1843 bits = has_bits ? bits : 16;
1844 nchannels = has_channels ? nchannels : 2;
1845
1846 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1847 monitor_printf(mon, "Faied to add wave capture\n");
1848 qemu_free (s);
1849 }
1850 QLIST_INSERT_HEAD (&capture_head, s, entries);
1851 }
1852 #endif
1853
1854 #if defined(TARGET_I386)
1855 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1856 {
1857 CPUState *env;
1858 int cpu_index = qdict_get_int(qdict, "cpu_index");
1859
1860 for (env = first_cpu; env != NULL; env = env->next_cpu)
1861 if (env->cpu_index == cpu_index) {
1862 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1863 break;
1864 }
1865 }
1866 #endif
1867
1868 static void do_info_status(Monitor *mon)
1869 {
1870 if (vm_running) {
1871 if (singlestep) {
1872 monitor_printf(mon, "VM status: running (single step mode)\n");
1873 } else {
1874 monitor_printf(mon, "VM status: running\n");
1875 }
1876 } else
1877 monitor_printf(mon, "VM status: paused\n");
1878 }
1879
1880 /**
1881 * do_balloon(): Request VM to change its memory allocation
1882 */
1883 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1884 {
1885 int value = qdict_get_int(qdict, "value");
1886 ram_addr_t target = value;
1887 qemu_balloon(target << 20);
1888 }
1889
1890 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1891 {
1892 monitor_printf(mon, "balloon: actual=%d\n",
1893 (int)qint_get_int(qobject_to_qint(data)));
1894 }
1895
1896 /**
1897 * do_info_balloon(): Balloon information
1898 */
1899 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1900 {
1901 ram_addr_t actual;
1902
1903 actual = qemu_balloon_status();
1904 if (kvm_enabled() && !kvm_has_sync_mmu())
1905 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1906 else if (actual == 0)
1907 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1908 else
1909 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1910 }
1911
1912 static qemu_acl *find_acl(Monitor *mon, const char *name)
1913 {
1914 qemu_acl *acl = qemu_acl_find(name);
1915
1916 if (!acl) {
1917 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1918 }
1919 return acl;
1920 }
1921
1922 static void do_acl_show(Monitor *mon, const QDict *qdict)
1923 {
1924 const char *aclname = qdict_get_str(qdict, "aclname");
1925 qemu_acl *acl = find_acl(mon, aclname);
1926 qemu_acl_entry *entry;
1927 int i = 0;
1928
1929 if (acl) {
1930 monitor_printf(mon, "policy: %s\n",
1931 acl->defaultDeny ? "deny" : "allow");
1932 QTAILQ_FOREACH(entry, &acl->entries, next) {
1933 i++;
1934 monitor_printf(mon, "%d: %s %s\n", i,
1935 entry->deny ? "deny" : "allow", entry->match);
1936 }
1937 }
1938 }
1939
1940 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1941 {
1942 const char *aclname = qdict_get_str(qdict, "aclname");
1943 qemu_acl *acl = find_acl(mon, aclname);
1944
1945 if (acl) {
1946 qemu_acl_reset(acl);
1947 monitor_printf(mon, "acl: removed all rules\n");
1948 }
1949 }
1950
1951 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1952 {
1953 const char *aclname = qdict_get_str(qdict, "aclname");
1954 const char *policy = qdict_get_str(qdict, "policy");
1955 qemu_acl *acl = find_acl(mon, aclname);
1956
1957 if (acl) {
1958 if (strcmp(policy, "allow") == 0) {
1959 acl->defaultDeny = 0;
1960 monitor_printf(mon, "acl: policy set to 'allow'\n");
1961 } else if (strcmp(policy, "deny") == 0) {
1962 acl->defaultDeny = 1;
1963 monitor_printf(mon, "acl: policy set to 'deny'\n");
1964 } else {
1965 monitor_printf(mon, "acl: unknown policy '%s', "
1966 "expected 'deny' or 'allow'\n", policy);
1967 }
1968 }
1969 }
1970
1971 static void do_acl_add(Monitor *mon, const QDict *qdict)
1972 {
1973 const char *aclname = qdict_get_str(qdict, "aclname");
1974 const char *match = qdict_get_str(qdict, "match");
1975 const char *policy = qdict_get_str(qdict, "policy");
1976 int has_index = qdict_haskey(qdict, "index");
1977 int index = qdict_get_try_int(qdict, "index", -1);
1978 qemu_acl *acl = find_acl(mon, aclname);
1979 int deny, ret;
1980
1981 if (acl) {
1982 if (strcmp(policy, "allow") == 0) {
1983 deny = 0;
1984 } else if (strcmp(policy, "deny") == 0) {
1985 deny = 1;
1986 } else {
1987 monitor_printf(mon, "acl: unknown policy '%s', "
1988 "expected 'deny' or 'allow'\n", policy);
1989 return;
1990 }
1991 if (has_index)
1992 ret = qemu_acl_insert(acl, deny, match, index);
1993 else
1994 ret = qemu_acl_append(acl, deny, match);
1995 if (ret < 0)
1996 monitor_printf(mon, "acl: unable to add acl entry\n");
1997 else
1998 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1999 }
2000 }
2001
2002 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2003 {
2004 const char *aclname = qdict_get_str(qdict, "aclname");
2005 const char *match = qdict_get_str(qdict, "match");
2006 qemu_acl *acl = find_acl(mon, aclname);
2007 int ret;
2008
2009 if (acl) {
2010 ret = qemu_acl_remove(acl, match);
2011 if (ret < 0)
2012 monitor_printf(mon, "acl: no matching acl entry\n");
2013 else
2014 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2015 }
2016 }
2017
2018 #if defined(TARGET_I386)
2019 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2020 {
2021 CPUState *cenv;
2022 int cpu_index = qdict_get_int(qdict, "cpu_index");
2023 int bank = qdict_get_int(qdict, "bank");
2024 uint64_t status = qdict_get_int(qdict, "status");
2025 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2026 uint64_t addr = qdict_get_int(qdict, "addr");
2027 uint64_t misc = qdict_get_int(qdict, "misc");
2028
2029 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2030 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2031 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2032 break;
2033 }
2034 }
2035 #endif
2036
2037 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2038 {
2039 const char *fdname = qdict_get_str(qdict, "fdname");
2040 mon_fd_t *monfd;
2041 int fd;
2042
2043 fd = qemu_chr_get_msgfd(mon->chr);
2044 if (fd == -1) {
2045 monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2046 return;
2047 }
2048
2049 if (qemu_isdigit(fdname[0])) {
2050 monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2051 return;
2052 }
2053
2054 fd = dup(fd);
2055 if (fd == -1) {
2056 monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2057 strerror(errno));
2058 return;
2059 }
2060
2061 QLIST_FOREACH(monfd, &mon->fds, next) {
2062 if (strcmp(monfd->name, fdname) != 0) {
2063 continue;
2064 }
2065
2066 close(monfd->fd);
2067 monfd->fd = fd;
2068 return;
2069 }
2070
2071 monfd = qemu_mallocz(sizeof(mon_fd_t));
2072 monfd->name = qemu_strdup(fdname);
2073 monfd->fd = fd;
2074
2075 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2076 }
2077
2078 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2079 {
2080 const char *fdname = qdict_get_str(qdict, "fdname");
2081 mon_fd_t *monfd;
2082
2083 QLIST_FOREACH(monfd, &mon->fds, next) {
2084 if (strcmp(monfd->name, fdname) != 0) {
2085 continue;
2086 }
2087
2088 QLIST_REMOVE(monfd, next);
2089 close(monfd->fd);
2090 qemu_free(monfd->name);
2091 qemu_free(monfd);
2092 return;
2093 }
2094
2095 monitor_printf(mon, "Failed to find file descriptor named %s\n",
2096 fdname);
2097 }
2098
2099 static void do_loadvm(Monitor *mon, const QDict *qdict)
2100 {
2101 int saved_vm_running = vm_running;
2102 const char *name = qdict_get_str(qdict, "name");
2103
2104 vm_stop(0);
2105
2106 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2107 vm_start();
2108 }
2109
2110 int monitor_get_fd(Monitor *mon, const char *fdname)
2111 {
2112 mon_fd_t *monfd;
2113
2114 QLIST_FOREACH(monfd, &mon->fds, next) {
2115 int fd;
2116
2117 if (strcmp(monfd->name, fdname) != 0) {
2118 continue;
2119 }
2120
2121 fd = monfd->fd;
2122
2123 /* caller takes ownership of fd */
2124 QLIST_REMOVE(monfd, next);
2125 qemu_free(monfd->name);
2126 qemu_free(monfd);
2127
2128 return fd;
2129 }
2130
2131 return -1;
2132 }
2133
2134 static const mon_cmd_t mon_cmds[] = {
2135 #include "qemu-monitor.h"
2136 { NULL, NULL, },
2137 };
2138
2139 /* Please update qemu-monitor.hx when adding or changing commands */
2140 static const mon_cmd_t info_cmds[] = {
2141 {
2142 .name = "version",
2143 .args_type = "",
2144 .params = "",
2145 .help = "show the version of QEMU",
2146 .user_print = monitor_print_qobject,
2147 .mhandler.info_new = do_info_version,
2148 },
2149 {
2150 .name = "commands",
2151 .args_type = "",
2152 .params = "",
2153 .help = "list QMP available commands",
2154 .user_print = monitor_user_noop,
2155 .mhandler.info_new = do_info_commands,
2156 },
2157 {
2158 .name = "network",
2159 .args_type = "",
2160 .params = "",
2161 .help = "show the network state",
2162 .mhandler.info = do_info_network,
2163 },
2164 {
2165 .name = "chardev",
2166 .args_type = "",
2167 .params = "",
2168 .help = "show the character devices",
2169 .mhandler.info = qemu_chr_info,
2170 },
2171 {
2172 .name = "block",
2173 .args_type = "",
2174 .params = "",
2175 .help = "show the block devices",
2176 .mhandler.info = bdrv_info,
2177 },
2178 {
2179 .name = "blockstats",
2180 .args_type = "",
2181 .params = "",
2182 .help = "show block device statistics",
2183 .mhandler.info = bdrv_info_stats,
2184 },
2185 {
2186 .name = "registers",
2187 .args_type = "",
2188 .params = "",
2189 .help = "show the cpu registers",
2190 .mhandler.info = do_info_registers,
2191 },
2192 {
2193 .name = "cpus",
2194 .args_type = "",
2195 .params = "",
2196 .help = "show infos for each CPU",
2197 .user_print = monitor_print_cpus,
2198 .mhandler.info_new = do_info_cpus,
2199 },
2200 {
2201 .name = "history",
2202 .args_type = "",
2203 .params = "",
2204 .help = "show the command line history",
2205 .mhandler.info = do_info_history,
2206 },
2207 {
2208 .name = "irq",
2209 .args_type = "",
2210 .params = "",
2211 .help = "show the interrupts statistics (if available)",
2212 .mhandler.info = irq_info,
2213 },
2214 {
2215 .name = "pic",
2216 .args_type = "",
2217 .params = "",
2218 .help = "show i8259 (PIC) state",
2219 .mhandler.info = pic_info,
2220 },
2221 {
2222 .name = "pci",
2223 .args_type = "",
2224 .params = "",
2225 .help = "show PCI info",
2226 .mhandler.info = pci_info,
2227 },
2228 #if defined(TARGET_I386) || defined(TARGET_SH4)
2229 {
2230 .name = "tlb",
2231 .args_type = "",
2232 .params = "",
2233 .help = "show virtual to physical memory mappings",
2234 .mhandler.info = tlb_info,
2235 },
2236 #endif
2237 #if defined(TARGET_I386)
2238 {
2239 .name = "mem",
2240 .args_type = "",
2241 .params = "",
2242 .help = "show the active virtual memory mappings",
2243 .mhandler.info = mem_info,
2244 },
2245 {
2246 .name = "hpet",
2247 .args_type = "",
2248 .params = "",
2249 .help = "show state of HPET",
2250 .mhandler.info = do_info_hpet,
2251 },
2252 #endif
2253 {
2254 .name = "jit",
2255 .args_type = "",
2256 .params = "",
2257 .help = "show dynamic compiler info",
2258 .mhandler.info = do_info_jit,
2259 },
2260 {
2261 .name = "kvm",
2262 .args_type = "",
2263 .params = "",
2264 .help = "show KVM information",
2265 .mhandler.info = do_info_kvm,
2266 },
2267 {
2268 .name = "numa",
2269 .args_type = "",
2270 .params = "",
2271 .help = "show NUMA information",
2272 .mhandler.info = do_info_numa,
2273 },
2274 {
2275 .name = "usb",
2276 .args_type = "",
2277 .params = "",
2278 .help = "show guest USB devices",
2279 .mhandler.info = usb_info,
2280 },
2281 {
2282 .name = "usbhost",
2283 .args_type = "",
2284 .params = "",
2285 .help = "show host USB devices",
2286 .mhandler.info = usb_host_info,
2287 },
2288 {
2289 .name = "profile",
2290 .args_type = "",
2291 .params = "",
2292 .help = "show profiling information",
2293 .mhandler.info = do_info_profile,
2294 },
2295 {
2296 .name = "capture",
2297 .args_type = "",
2298 .params = "",
2299 .help = "show capture information",
2300 .mhandler.info = do_info_capture,
2301 },
2302 {
2303 .name = "snapshots",
2304 .args_type = "",
2305 .params = "",
2306 .help = "show the currently saved VM snapshots",
2307 .mhandler.info = do_info_snapshots,
2308 },
2309 {
2310 .name = "status",
2311 .args_type = "",
2312 .params = "",
2313 .help = "show the current VM status (running|paused)",
2314 .mhandler.info = do_info_status,
2315 },
2316 {
2317 .name = "pcmcia",
2318 .args_type = "",
2319 .params = "",
2320 .help = "show guest PCMCIA status",
2321 .mhandler.info = pcmcia_info,
2322 },
2323 {
2324 .name = "mice",
2325 .args_type = "",
2326 .params = "",
2327 .help = "show which guest mouse is receiving events",
2328 .mhandler.info = do_info_mice,
2329 },
2330 {
2331 .name = "vnc",
2332 .args_type = "",
2333 .params = "",
2334 .help = "show the vnc server status",
2335 .mhandler.info = do_info_vnc,
2336 },
2337 {
2338 .name = "name",
2339 .args_type = "",
2340 .params = "",
2341 .help = "show the current VM name",
2342 .mhandler.info = do_info_name,
2343 },
2344 {
2345 .name = "uuid",
2346 .args_type = "",
2347 .params = "",
2348 .help = "show the current VM UUID",
2349 .mhandler.info = do_info_uuid,
2350 },
2351 #if defined(TARGET_PPC)
2352 {
2353 .name = "cpustats",
2354 .args_type = "",
2355 .params = "",
2356 .help = "show CPU statistics",
2357 .mhandler.info = do_info_cpu_stats,
2358 },
2359 #endif
2360 #if defined(CONFIG_SLIRP)
2361 {
2362 .name = "usernet",
2363 .args_type = "",
2364 .params = "",
2365 .help = "show user network stack connection states",
2366 .mhandler.info = do_info_usernet,
2367 },
2368 #endif
2369 {
2370 .name = "migrate",
2371 .args_type = "",
2372 .params = "",
2373 .help = "show migration status",
2374 .mhandler.info = do_info_migrate,
2375 },
2376 {
2377 .name = "balloon",
2378 .args_type = "",
2379 .params = "",
2380 .help = "show balloon information",
2381 .user_print = monitor_print_balloon,
2382 .mhandler.info_new = do_info_balloon,
2383 },
2384 {
2385 .name = "qtree",
2386 .args_type = "",
2387 .params = "",
2388 .help = "show device tree",
2389 .mhandler.info = do_info_qtree,
2390 },
2391 {
2392 .name = "qdm",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show qdev device model list",
2396 .mhandler.info = do_info_qdm,
2397 },
2398 {
2399 .name = "roms",
2400 .args_type = "",
2401 .params = "",
2402 .help = "show roms",
2403 .mhandler.info = do_info_roms,
2404 },
2405 {
2406 .name = NULL,
2407 },
2408 };
2409
2410 /*******************************************************************/
2411
2412 static const char *pch;
2413 static jmp_buf expr_env;
2414
2415 #define MD_TLONG 0
2416 #define MD_I32 1
2417
2418 typedef struct MonitorDef {
2419 const char *name;
2420 int offset;
2421 target_long (*get_value)(const struct MonitorDef *md, int val);
2422 int type;
2423 } MonitorDef;
2424
2425 #if defined(TARGET_I386)
2426 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2427 {
2428 CPUState *env = mon_get_cpu();
2429 if (!env)
2430 return 0;
2431 return env->eip + env->segs[R_CS].base;
2432 }
2433 #endif
2434
2435 #if defined(TARGET_PPC)
2436 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2437 {
2438 CPUState *env = mon_get_cpu();
2439 unsigned int u;
2440 int i;
2441
2442 if (!env)
2443 return 0;
2444
2445 u = 0;
2446 for (i = 0; i < 8; i++)
2447 u |= env->crf[i] << (32 - (4 * i));
2448
2449 return u;
2450 }
2451
2452 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2453 {
2454 CPUState *env = mon_get_cpu();
2455 if (!env)
2456 return 0;
2457 return env->msr;
2458 }
2459
2460 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2461 {
2462 CPUState *env = mon_get_cpu();
2463 if (!env)
2464 return 0;
2465 return env->xer;
2466 }
2467
2468 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2469 {
2470 CPUState *env = mon_get_cpu();
2471 if (!env)
2472 return 0;
2473 return cpu_ppc_load_decr(env);
2474 }
2475
2476 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2477 {
2478 CPUState *env = mon_get_cpu();
2479 if (!env)
2480 return 0;
2481 return cpu_ppc_load_tbu(env);
2482 }
2483
2484 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2485 {
2486 CPUState *env = mon_get_cpu();
2487 if (!env)
2488 return 0;
2489 return cpu_ppc_load_tbl(env);
2490 }
2491 #endif
2492
2493 #if defined(TARGET_SPARC)
2494 #ifndef TARGET_SPARC64
2495 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2496 {
2497 CPUState *env = mon_get_cpu();
2498 if (!env)
2499 return 0;
2500 return GET_PSR(env);
2501 }
2502 #endif
2503
2504 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2505 {
2506 CPUState *env = mon_get_cpu();
2507 if (!env)
2508 return 0;
2509 return env->regwptr[val];
2510 }
2511 #endif
2512
2513 static const MonitorDef monitor_defs[] = {
2514 #ifdef TARGET_I386
2515
2516 #define SEG(name, seg) \
2517 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2518 { name ".base", offsetof(CPUState, segs[seg].base) },\
2519 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2520
2521 { "eax", offsetof(CPUState, regs[0]) },
2522 { "ecx", offsetof(CPUState, regs[1]) },
2523 { "edx", offsetof(CPUState, regs[2]) },
2524 { "ebx", offsetof(CPUState, regs[3]) },
2525 { "esp|sp", offsetof(CPUState, regs[4]) },
2526 { "ebp|fp", offsetof(CPUState, regs[5]) },
2527 { "esi", offsetof(CPUState, regs[6]) },
2528 { "edi", offsetof(CPUState, regs[7]) },
2529 #ifdef TARGET_X86_64
2530 { "r8", offsetof(CPUState, regs[8]) },
2531 { "r9", offsetof(CPUState, regs[9]) },
2532 { "r10", offsetof(CPUState, regs[10]) },
2533 { "r11", offsetof(CPUState, regs[11]) },
2534 { "r12", offsetof(CPUState, regs[12]) },
2535 { "r13", offsetof(CPUState, regs[13]) },
2536 { "r14", offsetof(CPUState, regs[14]) },
2537 { "r15", offsetof(CPUState, regs[15]) },
2538 #endif
2539 { "eflags", offsetof(CPUState, eflags) },
2540 { "eip", offsetof(CPUState, eip) },
2541 SEG("cs", R_CS)
2542 SEG("ds", R_DS)
2543 SEG("es", R_ES)
2544 SEG("ss", R_SS)
2545 SEG("fs", R_FS)
2546 SEG("gs", R_GS)
2547 { "pc", 0, monitor_get_pc, },
2548 #elif defined(TARGET_PPC)
2549 /* General purpose registers */
2550 { "r0", offsetof(CPUState, gpr[0]) },
2551 { "r1", offsetof(CPUState, gpr[1]) },
2552 { "r2", offsetof(CPUState, gpr[2]) },
2553 { "r3", offsetof(CPUState, gpr[3]) },
2554 { "r4", offsetof(CPUState, gpr[4]) },
2555 { "r5", offsetof(CPUState, gpr[5]) },
2556 { "r6", offsetof(CPUState, gpr[6]) },
2557 { "r7", offsetof(CPUState, gpr[7]) },
2558 { "r8", offsetof(CPUState, gpr[8]) },
2559 { "r9", offsetof(CPUState, gpr[9]) },
2560 { "r10", offsetof(CPUState, gpr[10]) },
2561 { "r11", offsetof(CPUState, gpr[11]) },
2562 { "r12", offsetof(CPUState, gpr[12]) },
2563 { "r13", offsetof(CPUState, gpr[13]) },
2564 { "r14", offsetof(CPUState, gpr[14]) },
2565 { "r15", offsetof(CPUState, gpr[15]) },
2566 { "r16", offsetof(CPUState, gpr[16]) },
2567 { "r17", offsetof(CPUState, gpr[17]) },
2568 { "r18", offsetof(CPUState, gpr[18]) },
2569 { "r19", offsetof(CPUState, gpr[19]) },
2570 { "r20", offsetof(CPUState, gpr[20]) },
2571 { "r21", offsetof(CPUState, gpr[21]) },
2572 { "r22", offsetof(CPUState, gpr[22]) },
2573 { "r23", offsetof(CPUState, gpr[23]) },
2574 { "r24", offsetof(CPUState, gpr[24]) },
2575 { "r25", offsetof(CPUState, gpr[25]) },
2576 { "r26", offsetof(CPUState, gpr[26]) },
2577 { "r27", offsetof(CPUState, gpr[27]) },
2578 { "r28", offsetof(CPUState, gpr[28]) },
2579 { "r29", offsetof(CPUState, gpr[29]) },
2580 { "r30", offsetof(CPUState, gpr[30]) },
2581 { "r31", offsetof(CPUState, gpr[31]) },
2582 /* Floating point registers */
2583 { "f0", offsetof(CPUState, fpr[0]) },
2584 { "f1", offsetof(CPUState, fpr[1]) },
2585 { "f2", offsetof(CPUState, fpr[2]) },
2586 { "f3", offsetof(CPUState, fpr[3]) },
2587 { "f4", offsetof(CPUState, fpr[4]) },
2588 { "f5", offsetof(CPUState, fpr[5]) },
2589 { "f6", offsetof(CPUState, fpr[6]) },
2590 { "f7", offsetof(CPUState, fpr[7]) },
2591 { "f8", offsetof(CPUState, fpr[8]) },
2592 { "f9", offsetof(CPUState, fpr[9]) },
2593 { "f10", offsetof(CPUState, fpr[10]) },
2594 { "f11", offsetof(CPUState, fpr[11]) },
2595 { "f12", offsetof(CPUState, fpr[12]) },
2596 { "f13", offsetof(CPUState, fpr[13]) },
2597 { "f14", offsetof(CPUState, fpr[14]) },
2598 { "f15", offsetof(CPUState, fpr[15]) },
2599 { "f16", offsetof(CPUState, fpr[16]) },
2600 { "f17", offsetof(CPUState, fpr[17]) },
2601 { "f18", offsetof(CPUState, fpr[18]) },
2602 { "f19", offsetof(CPUState, fpr[19]) },
2603 { "f20", offsetof(CPUState, fpr[20]) },
2604 { "f21", offsetof(CPUState, fpr[21]) },
2605 { "f22", offsetof(CPUState, fpr[22]) },
2606 { "f23", offsetof(CPUState, fpr[23]) },
2607 { "f24", offsetof(CPUState, fpr[24]) },
2608 { "f25", offsetof(CPUState, fpr[25]) },
2609 { "f26", offsetof(CPUState, fpr[26]) },
2610 { "f27", offsetof(CPUState, fpr[27]) },
2611 { "f28", offsetof(CPUState, fpr[28]) },
2612 { "f29", offsetof(CPUState, fpr[29]) },
2613 { "f30", offsetof(CPUState, fpr[30]) },
2614 { "f31", offsetof(CPUState, fpr[31]) },
2615 { "fpscr", offsetof(CPUState, fpscr) },
2616 /* Next instruction pointer */
2617 { "nip|pc", offsetof(CPUState, nip) },
2618 { "lr", offsetof(CPUState, lr) },
2619 { "ctr", offsetof(CPUState, ctr) },
2620 { "decr", 0, &monitor_get_decr, },
2621 { "ccr", 0, &monitor_get_ccr, },
2622 /* Machine state register */
2623 { "msr", 0, &monitor_get_msr, },
2624 { "xer", 0, &monitor_get_xer, },
2625 { "tbu", 0, &monitor_get_tbu, },
2626 { "tbl", 0, &monitor_get_tbl, },
2627 #if defined(TARGET_PPC64)
2628 /* Address space register */
2629 { "asr", offsetof(CPUState, asr) },
2630 #endif
2631 /* Segment registers */
2632 { "sdr1", offsetof(CPUState, sdr1) },
2633 { "sr0", offsetof(CPUState, sr[0]) },
2634 { "sr1", offsetof(CPUState, sr[1]) },
2635 { "sr2", offsetof(CPUState, sr[2]) },
2636 { "sr3", offsetof(CPUState, sr[3]) },
2637 { "sr4", offsetof(CPUState, sr[4]) },
2638 { "sr5", offsetof(CPUState, sr[5]) },
2639 { "sr6", offsetof(CPUState, sr[6]) },
2640 { "sr7", offsetof(CPUState, sr[7]) },
2641 { "sr8", offsetof(CPUState, sr[8]) },
2642 { "sr9", offsetof(CPUState, sr[9]) },
2643 { "sr10", offsetof(CPUState, sr[10]) },
2644 { "sr11", offsetof(CPUState, sr[11]) },
2645 { "sr12", offsetof(CPUState, sr[12]) },
2646 { "sr13", offsetof(CPUState, sr[13]) },
2647 { "sr14", offsetof(CPUState, sr[14]) },
2648 { "sr15", offsetof(CPUState, sr[15]) },
2649 /* Too lazy to put BATs and SPRs ... */
2650 #elif defined(TARGET_SPARC)
2651 { "g0", offsetof(CPUState, gregs[0]) },
2652 { "g1", offsetof(CPUState, gregs[1]) },
2653 { "g2", offsetof(CPUState, gregs[2]) },
2654 { "g3", offsetof(CPUState, gregs[3]) },
2655 { "g4", offsetof(CPUState, gregs[4]) },
2656 { "g5", offsetof(CPUState, gregs[5]) },
2657 { "g6", offsetof(CPUState, gregs[6]) },
2658 { "g7", offsetof(CPUState, gregs[7]) },
2659 { "o0", 0, monitor_get_reg },
2660 { "o1", 1, monitor_get_reg },
2661 { "o2", 2, monitor_get_reg },
2662 { "o3", 3, monitor_get_reg },
2663 { "o4", 4, monitor_get_reg },
2664 { "o5", 5, monitor_get_reg },
2665 { "o6", 6, monitor_get_reg },
2666 { "o7", 7, monitor_get_reg },
2667 { "l0", 8, monitor_get_reg },
2668 { "l1", 9, monitor_get_reg },
2669 { "l2", 10, monitor_get_reg },
2670 { "l3", 11, monitor_get_reg },
2671 { "l4", 12, monitor_get_reg },
2672 { "l5", 13, monitor_get_reg },
2673 { "l6", 14, monitor_get_reg },
2674 { "l7", 15, monitor_get_reg },
2675 { "i0", 16, monitor_get_reg },
2676 { "i1", 17, monitor_get_reg },
2677 { "i2", 18, monitor_get_reg },
2678 { "i3", 19, monitor_get_reg },
2679 { "i4", 20, monitor_get_reg },
2680 { "i5", 21, monitor_get_reg },
2681 { "i6", 22, monitor_get_reg },
2682 { "i7", 23, monitor_get_reg },
2683 { "pc", offsetof(CPUState, pc) },
2684 { "npc", offsetof(CPUState, npc) },
2685 { "y", offsetof(CPUState, y) },
2686 #ifndef TARGET_SPARC64
2687 { "psr", 0, &monitor_get_psr, },
2688 { "wim", offsetof(CPUState, wim) },
2689 #endif
2690 { "tbr", offsetof(CPUState, tbr) },
2691 { "fsr", offsetof(CPUState, fsr) },
2692 { "f0", offsetof(CPUState, fpr[0]) },
2693 { "f1", offsetof(CPUState, fpr[1]) },
2694 { "f2", offsetof(CPUState, fpr[2]) },
2695 { "f3", offsetof(CPUState, fpr[3]) },
2696 { "f4", offsetof(CPUState, fpr[4]) },
2697 { "f5", offsetof(CPUState, fpr[5]) },
2698 { "f6", offsetof(CPUState, fpr[6]) },
2699 { "f7", offsetof(CPUState, fpr[7]) },
2700 { "f8", offsetof(CPUState, fpr[8]) },
2701 { "f9", offsetof(CPUState, fpr[9]) },
2702 { "f10", offsetof(CPUState, fpr[10]) },
2703 { "f11", offsetof(CPUState, fpr[11]) },
2704 { "f12", offsetof(CPUState, fpr[12]) },
2705 { "f13", offsetof(CPUState, fpr[13]) },
2706 { "f14", offsetof(CPUState, fpr[14]) },
2707 { "f15", offsetof(CPUState, fpr[15]) },
2708 { "f16", offsetof(CPUState, fpr[16]) },
2709 { "f17", offsetof(CPUState, fpr[17]) },
2710 { "f18", offsetof(CPUState, fpr[18]) },
2711 { "f19", offsetof(CPUState, fpr[19]) },
2712 { "f20", offsetof(CPUState, fpr[20]) },
2713 { "f21", offsetof(CPUState, fpr[21]) },
2714 { "f22", offsetof(CPUState, fpr[22]) },
2715 { "f23", offsetof(CPUState, fpr[23]) },
2716 { "f24", offsetof(CPUState, fpr[24]) },
2717 { "f25", offsetof(CPUState, fpr[25]) },
2718 { "f26", offsetof(CPUState, fpr[26]) },
2719 { "f27", offsetof(CPUState, fpr[27]) },
2720 { "f28", offsetof(CPUState, fpr[28]) },
2721 { "f29", offsetof(CPUState, fpr[29]) },
2722 { "f30", offsetof(CPUState, fpr[30]) },
2723 { "f31", offsetof(CPUState, fpr[31]) },
2724 #ifdef TARGET_SPARC64
2725 { "f32", offsetof(CPUState, fpr[32]) },
2726 { "f34", offsetof(CPUState, fpr[34]) },
2727 { "f36", offsetof(CPUState, fpr[36]) },
2728 { "f38", offsetof(CPUState, fpr[38]) },
2729 { "f40", offsetof(CPUState, fpr[40]) },
2730 { "f42", offsetof(CPUState, fpr[42]) },
2731 { "f44", offsetof(CPUState, fpr[44]) },
2732 { "f46", offsetof(CPUState, fpr[46]) },
2733 { "f48", offsetof(CPUState, fpr[48]) },
2734 { "f50", offsetof(CPUState, fpr[50]) },
2735 { "f52", offsetof(CPUState, fpr[52]) },
2736 { "f54", offsetof(CPUState, fpr[54]) },
2737 { "f56", offsetof(CPUState, fpr[56]) },
2738 { "f58", offsetof(CPUState, fpr[58]) },
2739 { "f60", offsetof(CPUState, fpr[60]) },
2740 { "f62", offsetof(CPUState, fpr[62]) },
2741 { "asi", offsetof(CPUState, asi) },
2742 { "pstate", offsetof(CPUState, pstate) },
2743 { "cansave", offsetof(CPUState, cansave) },
2744 { "canrestore", offsetof(CPUState, canrestore) },
2745 { "otherwin", offsetof(CPUState, otherwin) },
2746 { "wstate", offsetof(CPUState, wstate) },
2747 { "cleanwin", offsetof(CPUState, cleanwin) },
2748 { "fprs", offsetof(CPUState, fprs) },
2749 #endif
2750 #endif
2751 { NULL },
2752 };
2753
2754 static void expr_error(Monitor *mon, const char *msg)
2755 {
2756 monitor_printf(mon, "%s\n", msg);
2757 longjmp(expr_env, 1);
2758 }
2759
2760 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2761 static int get_monitor_def(target_long *pval, const char *name)
2762 {
2763 const MonitorDef *md;
2764 void *ptr;
2765
2766 for(md = monitor_defs; md->name != NULL; md++) {
2767 if (compare_cmd(name, md->name)) {
2768 if (md->get_value) {
2769 *pval = md->get_value(md, md->offset);
2770 } else {
2771 CPUState *env = mon_get_cpu();
2772 if (!env)
2773 return -2;
2774 ptr = (uint8_t *)env + md->offset;
2775 switch(md->type) {
2776 case MD_I32:
2777 *pval = *(int32_t *)ptr;
2778 break;
2779 case MD_TLONG:
2780 *pval = *(target_long *)ptr;
2781 break;
2782 default:
2783 *pval = 0;
2784 break;
2785 }
2786 }
2787 return 0;
2788 }
2789 }
2790 return -1;
2791 }
2792
2793 static void next(void)
2794 {
2795 if (*pch != '\0') {
2796 pch++;
2797 while (qemu_isspace(*pch))
2798 pch++;
2799 }
2800 }
2801
2802 static int64_t expr_sum(Monitor *mon);
2803
2804 static int64_t expr_unary(Monitor *mon)
2805 {
2806 int64_t n;
2807 char *p;
2808 int ret;
2809
2810 switch(*pch) {
2811 case '+':
2812 next();
2813 n = expr_unary(mon);
2814 break;
2815 case '-':
2816 next();
2817 n = -expr_unary(mon);
2818 break;
2819 case '~':
2820 next();
2821 n = ~expr_unary(mon);
2822 break;
2823 case '(':
2824 next();
2825 n = expr_sum(mon);
2826 if (*pch != ')') {
2827 expr_error(mon, "')' expected");
2828 }
2829 next();
2830 break;
2831 case '\'':
2832 pch++;
2833 if (*pch == '\0')
2834 expr_error(mon, "character constant expected");
2835 n = *pch;
2836 pch++;
2837 if (*pch != '\'')
2838 expr_error(mon, "missing terminating \' character");
2839 next();
2840 break;
2841 case '$':
2842 {
2843 char buf[128], *q;
2844 target_long reg=0;
2845
2846 pch++;
2847 q = buf;
2848 while ((*pch >= 'a' && *pch <= 'z') ||
2849 (*pch >= 'A' && *pch <= 'Z') ||
2850 (*pch >= '0' && *pch <= '9') ||
2851 *pch == '_' || *pch == '.') {
2852 if ((q - buf) < sizeof(buf) - 1)
2853 *q++ = *pch;
2854 pch++;
2855 }
2856 while (qemu_isspace(*pch))
2857 pch++;
2858 *q = 0;
2859 ret = get_monitor_def(&reg, buf);
2860 if (ret == -1)
2861 expr_error(mon, "unknown register");
2862 else if (ret == -2)
2863 expr_error(mon, "no cpu defined");
2864 n = reg;
2865 }
2866 break;
2867 case '\0':
2868 expr_error(mon, "unexpected end of expression");
2869 n = 0;
2870 break;
2871 default:
2872 #if TARGET_PHYS_ADDR_BITS > 32
2873 n = strtoull(pch, &p, 0);
2874 #else
2875 n = strtoul(pch, &p, 0);
2876 #endif
2877 if (pch == p) {
2878 expr_error(mon, "invalid char in expression");
2879 }
2880 pch = p;
2881 while (qemu_isspace(*pch))
2882 pch++;
2883 break;
2884 }
2885 return n;
2886 }
2887
2888
2889 static int64_t expr_prod(Monitor *mon)
2890 {
2891 int64_t val, val2;
2892 int op;
2893
2894 val = expr_unary(mon);
2895 for(;;) {
2896 op = *pch;
2897 if (op != '*' && op != '/' && op != '%')
2898 break;
2899 next();
2900 val2 = expr_unary(mon);
2901 switch(op) {
2902 default:
2903 case '*':
2904 val *= val2;
2905 break;
2906 case '/':
2907 case '%':
2908 if (val2 == 0)
2909 expr_error(mon, "division by zero");
2910 if (op == '/')
2911 val /= val2;
2912 else
2913 val %= val2;
2914 break;
2915 }
2916 }
2917 return val;
2918 }
2919
2920 static int64_t expr_logic(Monitor *mon)
2921 {
2922 int64_t val, val2;
2923 int op;
2924
2925 val = expr_prod(mon);
2926 for(;;) {
2927 op = *pch;
2928 if (op != '&' && op != '|' && op != '^')
2929 break;
2930 next();
2931 val2 = expr_prod(mon);
2932 switch(op) {
2933 default:
2934 case '&':
2935 val &= val2;
2936 break;
2937 case '|':
2938 val |= val2;
2939 break;
2940 case '^':
2941 val ^= val2;
2942 break;
2943 }
2944 }
2945 return val;
2946 }
2947
2948 static int64_t expr_sum(Monitor *mon)
2949 {
2950 int64_t val, val2;
2951 int op;
2952
2953 val = expr_logic(mon);
2954 for(;;) {
2955 op = *pch;
2956 if (op != '+' && op != '-')
2957 break;
2958 next();
2959 val2 = expr_logic(mon);
2960 if (op == '+')
2961 val += val2;
2962 else
2963 val -= val2;
2964 }
2965 return val;
2966 }
2967
2968 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2969 {
2970 pch = *pp;
2971 if (setjmp(expr_env)) {
2972 *pp = pch;
2973 return -1;
2974 }
2975 while (qemu_isspace(*pch))
2976 pch++;
2977 *pval = expr_sum(mon);
2978 *pp = pch;
2979 return 0;
2980 }
2981
2982 static int get_str(char *buf, int buf_size, const char **pp)
2983 {
2984 const char *p;
2985 char *q;
2986 int c;
2987
2988 q = buf;
2989 p = *pp;
2990 while (qemu_isspace(*p))
2991 p++;
2992 if (*p == '\0') {
2993 fail:
2994 *q = '\0';
2995 *pp = p;
2996 return -1;
2997 }
2998 if (*p == '\"') {
2999 p++;
3000 while (*p != '\0' && *p != '\"') {
3001 if (*p == '\\') {
3002 p++;
3003 c = *p++;
3004 switch(c) {
3005 case 'n':
3006 c = '\n';
3007 break;
3008 case 'r':
3009 c = '\r';
3010 break;
3011 case '\\':
3012 case '\'':
3013 case '\"':
3014 break;
3015 default:
3016 qemu_printf("unsupported escape code: '\\%c'\n", c);
3017 goto fail;
3018 }
3019 if ((q - buf) < buf_size - 1) {
3020 *q++ = c;
3021 }
3022 } else {
3023 if ((q - buf) < buf_size - 1) {
3024 *q++ = *p;
3025 }
3026 p++;
3027 }
3028 }
3029 if (*p != '\"') {
3030 qemu_printf("unterminated string\n");
3031 goto fail;
3032 }
3033 p++;
3034 } else {
3035 while (*p != '\0' && !qemu_isspace(*p)) {
3036 if ((q - buf) < buf_size - 1) {
3037 *q++ = *p;
3038 }
3039 p++;
3040 }
3041 }
3042 *q = '\0';
3043 *pp = p;
3044 return 0;
3045 }
3046
3047 /*
3048 * Store the command-name in cmdname, and return a pointer to
3049 * the remaining of the command string.
3050 */
3051 static const char *get_command_name(const char *cmdline,
3052 char *cmdname, size_t nlen)
3053 {
3054 size_t len;
3055 const char *p, *pstart;
3056
3057 p = cmdline;
3058 while (qemu_isspace(*p))
3059 p++;
3060 if (*p == '\0')
3061 return NULL;
3062 pstart = p;
3063 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3064 p++;
3065 len = p - pstart;
3066 if (len > nlen - 1)
3067 len = nlen - 1;
3068 memcpy(cmdname, pstart, len);
3069 cmdname[len] = '\0';
3070 return p;
3071 }
3072
3073 /**
3074 * Read key of 'type' into 'key' and return the current
3075 * 'type' pointer.
3076 */
3077 static char *key_get_info(const char *type, char **key)
3078 {
3079 size_t len;
3080 char *p, *str;
3081
3082 if (*type == ',')
3083 type++;
3084
3085 p = strchr(type, ':');
3086 if (!p) {
3087 *key = NULL;
3088 return NULL;
3089 }
3090 len = p - type;
3091
3092 str = qemu_malloc(len + 1);
3093 memcpy(str, type, len);
3094 str[len] = '\0';
3095
3096 *key = str;
3097 return ++p;
3098 }
3099
3100 static int default_fmt_format = 'x';
3101 static int default_fmt_size = 4;
3102
3103 #define MAX_ARGS 16
3104
3105 static int is_valid_option(const char *c, const char *typestr)
3106 {
3107 char option[3];
3108
3109 option[0] = '-';
3110 option[1] = *c;
3111 option[2] = '\0';
3112
3113 typestr = strstr(typestr, option);
3114 return (typestr != NULL);
3115 }
3116
3117 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3118 {
3119 const mon_cmd_t *cmd;
3120
3121 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3122 if (compare_cmd(cmdname, cmd->name)) {
3123 return cmd;
3124 }
3125 }
3126
3127 return NULL;
3128 }
3129
3130 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3131 const char *cmdline,
3132 QDict *qdict)
3133 {
3134 const char *p, *typestr;
3135 int c;
3136 const mon_cmd_t *cmd;
3137 char cmdname[256];
3138 char buf[1024];
3139 char *key;
3140
3141 #ifdef DEBUG
3142 monitor_printf(mon, "command='%s'\n", cmdline);
3143 #endif
3144
3145 /* extract the command name */
3146 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3147 if (!p)
3148 return NULL;
3149
3150 cmd = monitor_find_command(cmdname);
3151 if (!cmd) {
3152 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3153 return NULL;
3154 }
3155
3156 /* parse the parameters */
3157 typestr = cmd->args_type;
3158 for(;;) {
3159 typestr = key_get_info(typestr, &key);
3160 if (!typestr)
3161 break;
3162 c = *typestr;
3163 typestr++;
3164 switch(c) {
3165 case 'F':
3166 case 'B':
3167 case 's':
3168 {
3169 int ret;
3170
3171 while (qemu_isspace(*p))
3172 p++;
3173 if (*typestr == '?') {
3174 typestr++;
3175 if (*p == '\0') {
3176 /* no optional string: NULL argument */
3177 break;
3178 }
3179 }
3180 ret = get_str(buf, sizeof(buf), &p);
3181 if (ret < 0) {
3182 switch(c) {
3183 case 'F':
3184 monitor_printf(mon, "%s: filename expected\n",
3185 cmdname);
3186 break;
3187 case 'B':
3188 monitor_printf(mon, "%s: block device name expected\n",
3189 cmdname);
3190 break;
3191 default:
3192 monitor_printf(mon, "%s: string expected\n", cmdname);
3193 break;
3194 }
3195 goto fail;
3196 }
3197 qdict_put(qdict, key, qstring_from_str(buf));
3198 }
3199 break;
3200 case '/':
3201 {
3202 int count, format, size;
3203
3204 while (qemu_isspace(*p))
3205 p++;
3206 if (*p == '/') {
3207 /* format found */
3208 p++;
3209 count = 1;
3210 if (qemu_isdigit(*p)) {
3211 count = 0;
3212 while (qemu_isdigit(*p)) {
3213 count = count * 10 + (*p - '0');
3214 p++;
3215 }
3216 }
3217 size = -1;
3218 format = -1;
3219 for(;;) {
3220 switch(*p) {
3221 case 'o':
3222 case 'd':
3223 case 'u':
3224 case 'x':
3225 case 'i':
3226 case 'c':
3227 format = *p++;
3228 break;
3229 case 'b':
3230 size = 1;
3231 p++;
3232 break;
3233 case 'h':
3234 size = 2;
3235 p++;
3236 break;
3237 case 'w':
3238 size = 4;
3239 p++;
3240 break;
3241 case 'g':
3242 case 'L':
3243 size = 8;
3244 p++;
3245 break;
3246 default:
3247 goto next;
3248 }
3249 }
3250 next:
3251 if (*p != '\0' && !qemu_isspace(*p)) {
3252 monitor_printf(mon, "invalid char in format: '%c'\n",
3253 *p);
3254 goto fail;
3255 }
3256 if (format < 0)
3257 format = default_fmt_format;
3258 if (format != 'i') {
3259 /* for 'i', not specifying a size gives -1 as size */
3260 if (size < 0)
3261 size = default_fmt_size;
3262 default_fmt_size = size;
3263 }
3264 default_fmt_format = format;
3265 } else {
3266 count = 1;
3267 format = default_fmt_format;
3268 if (format != 'i') {
3269 size = default_fmt_size;
3270 } else {
3271 size = -1;
3272 }
3273 }
3274 qdict_put(qdict, "count", qint_from_int(count));
3275 qdict_put(qdict, "format", qint_from_int(format));
3276 qdict_put(qdict, "size", qint_from_int(size));
3277 }
3278 break;
3279 case 'i':
3280 case 'l':
3281 {
3282 int64_t val;
3283
3284 while (qemu_isspace(*p))
3285 p++;
3286 if (*typestr == '?' || *typestr == '.') {
3287 if (*typestr == '?') {
3288 if (*p == '\0') {
3289 typestr++;
3290 break;
3291 }
3292 } else {
3293 if (*p == '.') {
3294 p++;
3295 while (qemu_isspace(*p))
3296 p++;
3297 } else {
3298 typestr++;
3299 break;
3300 }
3301 }
3302 typestr++;
3303 }
3304 if (get_expr(mon, &val, &p))
3305 goto fail;
3306 /* Check if 'i' is greater than 32-bit */
3307 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3308 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3309 monitor_printf(mon, "integer is for 32-bit values\n");
3310 goto fail;
3311 }
3312 qdict_put(qdict, key, qint_from_int(val));
3313 }
3314 break;
3315 case '-':
3316 {
3317 const char *tmp = p;
3318 int has_option, skip_key = 0;
3319 /* option */
3320
3321 c = *typestr++;
3322 if (c == '\0')
3323 goto bad_type;
3324 while (qemu_isspace(*p))
3325 p++;
3326 has_option = 0;
3327 if (*p == '-') {
3328 p++;
3329 if(c != *p) {
3330 if(!is_valid_option(p, typestr)) {
3331
3332 monitor_printf(mon, "%s: unsupported option -%c\n",
3333 cmdname, *p);
3334 goto fail;
3335 } else {
3336 skip_key = 1;
3337 }
3338 }
3339 if(skip_key) {
3340 p = tmp;
3341 } else {
3342 p++;
3343 has_option = 1;
3344 }
3345 }
3346 qdict_put(qdict, key, qint_from_int(has_option));
3347 }
3348 break;
3349 default:
3350 bad_type:
3351 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3352 goto fail;
3353 }
3354 qemu_free(key);
3355 key = NULL;
3356 }
3357 /* check that all arguments were parsed */
3358 while (qemu_isspace(*p))
3359 p++;
3360 if (*p != '\0') {
3361 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3362 cmdname);
3363 goto fail;
3364 }
3365
3366 return cmd;
3367
3368 fail:
3369 qemu_free(key);
3370 return NULL;
3371 }
3372
3373 static void monitor_print_error(Monitor *mon)
3374 {
3375 qerror_print(mon->error);
3376 QDECREF(mon->error);
3377 mon->error = NULL;
3378 }
3379
3380 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3381 const QDict *params)
3382 {
3383 QObject *data = NULL;
3384
3385 cmd->mhandler.cmd_new(mon, params, &data);
3386
3387 if (monitor_ctrl_mode(mon)) {
3388 /* Monitor Protocol */
3389 monitor_protocol_emitter(mon, data);
3390 } else {
3391 /* User Protocol */
3392 if (data)
3393 cmd->user_print(mon, data);
3394 }
3395
3396 qobject_decref(data);
3397 }
3398
3399 static void handle_user_command(Monitor *mon, const char *cmdline)
3400 {
3401 QDict *qdict;
3402 const mon_cmd_t *cmd;
3403
3404 qdict = qdict_new();
3405
3406 cmd = monitor_parse_command(mon, cmdline, qdict);
3407 if (!cmd)
3408 goto out;
3409
3410 qemu_errors_to_mon(mon);
3411
3412 if (monitor_handler_ported(cmd)) {
3413 monitor_call_handler(mon, cmd, qdict);
3414 } else {
3415 cmd->mhandler.cmd(mon, qdict);
3416 }
3417
3418 if (monitor_has_error(mon))
3419 monitor_print_error(mon);
3420
3421 qemu_errors_to_previous();
3422
3423 out:
3424 QDECREF(qdict);
3425 }
3426
3427 static void cmd_completion(const char *name, const char *list)
3428 {
3429 const char *p, *pstart;
3430 char cmd[128];
3431 int len;
3432
3433 p = list;
3434 for(;;) {
3435 pstart = p;
3436 p = strchr(p, '|');
3437 if (!p)
3438 p = pstart + strlen(pstart);
3439 len = p - pstart;
3440 if (len > sizeof(cmd) - 2)
3441 len = sizeof(cmd) - 2;
3442 memcpy(cmd, pstart, len);
3443 cmd[len] = '\0';
3444 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3445 readline_add_completion(cur_mon->rs, cmd);
3446 }
3447 if (*p == '\0')
3448 break;
3449 p++;
3450 }
3451 }
3452
3453 static void file_completion(const char *input)
3454 {
3455 DIR *ffs;
3456 struct dirent *d;
3457 char path[1024];
3458 char file[1024], file_prefix[1024];
3459 int input_path_len;
3460 const char *p;
3461
3462 p = strrchr(input, '/');
3463 if (!p) {
3464 input_path_len = 0;
3465 pstrcpy(file_prefix, sizeof(file_prefix), input);
3466 pstrcpy(path, sizeof(path), ".");
3467 } else {
3468 input_path_len = p - input + 1;
3469 memcpy(path, input, input_path_len);
3470 if (input_path_len > sizeof(path) - 1)
3471 input_path_len = sizeof(path) - 1;
3472 path[input_path_len] = '\0';
3473 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3474 }
3475 #ifdef DEBUG_COMPLETION
3476 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3477 input, path, file_prefix);
3478 #endif
3479 ffs = opendir(path);
3480 if (!ffs)
3481 return;
3482 for(;;) {
3483 struct stat sb;
3484 d = readdir(ffs);
3485 if (!d)
3486 break;
3487 if (strstart(d->d_name, file_prefix, NULL)) {
3488 memcpy(file, input, input_path_len);
3489 if (input_path_len < sizeof(file))
3490 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3491 d->d_name);
3492 /* stat the file to find out if it's a directory.
3493 * In that case add a slash to speed up typing long paths
3494 */
3495 stat(file, &sb);
3496 if(S_ISDIR(sb.st_mode))
3497 pstrcat(file, sizeof(file), "/");
3498 readline_add_completion(cur_mon->rs, file);
3499 }
3500 }
3501 closedir(ffs);
3502 }
3503
3504 static void block_completion_it(void *opaque, BlockDriverState *bs)
3505 {
3506 const char *name = bdrv_get_device_name(bs);
3507 const char *input = opaque;
3508
3509 if (input[0] == '\0' ||
3510 !strncmp(name, (char *)input, strlen(input))) {
3511 readline_add_completion(cur_mon->rs, name);
3512 }
3513 }
3514
3515 /* NOTE: this parser is an approximate form of the real command parser */
3516 static void parse_cmdline(const char *cmdline,
3517 int *pnb_args, char **args)
3518 {
3519 const char *p;
3520 int nb_args, ret;
3521 char buf[1024];
3522
3523 p = cmdline;
3524 nb_args = 0;
3525 for(;;) {
3526 while (qemu_isspace(*p))
3527 p++;
3528 if (*p == '\0')
3529 break;
3530 if (nb_args >= MAX_ARGS)
3531 break;
3532 ret = get_str(buf, sizeof(buf), &p);
3533 args[nb_args] = qemu_strdup(buf);
3534 nb_args++;
3535 if (ret < 0)
3536 break;
3537 }
3538 *pnb_args = nb_args;
3539 }
3540
3541 static const char *next_arg_type(const char *typestr)
3542 {
3543 const char *p = strchr(typestr, ':');
3544 return (p != NULL ? ++p : typestr);
3545 }
3546
3547 static void monitor_find_completion(const char *cmdline)
3548 {
3549 const char *cmdname;
3550 char *args[MAX_ARGS];
3551 int nb_args, i, len;
3552 const char *ptype, *str;
3553 const mon_cmd_t *cmd;
3554 const KeyDef *key;
3555
3556 parse_cmdline(cmdline, &nb_args, args);
3557 #ifdef DEBUG_COMPLETION
3558 for(i = 0; i < nb_args; i++) {
3559 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3560 }
3561 #endif
3562
3563 /* if the line ends with a space, it means we want to complete the
3564 next arg */
3565 len = strlen(cmdline);
3566 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3567 if (nb_args >= MAX_ARGS)
3568 return;
3569 args[nb_args++] = qemu_strdup("");
3570 }
3571 if (nb_args <= 1) {
3572 /* command completion */
3573 if (nb_args == 0)
3574 cmdname = "";
3575 else
3576 cmdname = args[0];
3577 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3578 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3579 cmd_completion(cmdname, cmd->name);
3580 }
3581 } else {
3582 /* find the command */
3583 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3584 if (compare_cmd(args[0], cmd->name))
3585 goto found;
3586 }
3587 return;
3588 found:
3589 ptype = next_arg_type(cmd->args_type);
3590 for(i = 0; i < nb_args - 2; i++) {
3591 if (*ptype != '\0') {
3592 ptype = next_arg_type(ptype);
3593 while (*ptype == '?')
3594 ptype = next_arg_type(ptype);
3595 }
3596 }
3597 str = args[nb_args - 1];
3598 if (*ptype == '-' && ptype[1] != '\0') {
3599 ptype += 2;
3600 }
3601 switch(*ptype) {
3602 case 'F':
3603 /* file completion */
3604 readline_set_completion_index(cur_mon->rs, strlen(str));
3605 file_completion(str);
3606 break;
3607 case 'B':
3608 /* block device name completion */
3609 readline_set_completion_index(cur_mon->rs, strlen(str));
3610 bdrv_iterate(block_completion_it, (void *)str);
3611 break;
3612 case 's':
3613 /* XXX: more generic ? */
3614 if (!strcmp(cmd->name, "info")) {
3615 readline_set_completion_index(cur_mon->rs, strlen(str));
3616 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3617 cmd_completion(str, cmd->name);
3618 }
3619 } else if (!strcmp(cmd->name, "sendkey")) {
3620 char *sep = strrchr(str, '-');
3621 if (sep)
3622 str = sep + 1;
3623 readline_set_completion_index(cur_mon->rs, strlen(str));
3624 for(key = key_defs; key->name != NULL; key++) {
3625 cmd_completion(str, key->name);
3626 }
3627 } else if (!strcmp(cmd->name, "help|?")) {
3628 readline_set_completion_index(cur_mon->rs, strlen(str));
3629 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3630 cmd_completion(str, cmd->name);
3631 }
3632 }
3633 break;
3634 default:
3635 break;
3636 }
3637 }
3638 for(i = 0; i < nb_args; i++)
3639 qemu_free(args[i]);
3640 }
3641
3642 static int monitor_can_read(void *opaque)
3643 {
3644 Monitor *mon = opaque;
3645
3646 return (mon->suspend_cnt == 0) ? 128 : 0;
3647 }
3648
3649 typedef struct CmdArgs {
3650 QString *name;
3651 int type;
3652 int flag;
3653 int optional;
3654 } CmdArgs;
3655
3656 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3657 {
3658 if (!cmd_args->optional) {
3659 qemu_error_new(QERR_MISSING_PARAMETER, name);
3660 return -1;
3661 }
3662
3663 if (cmd_args->type == '-') {
3664 /* handlers expect a value, they need to be changed */
3665 qdict_put(args, name, qint_from_int(0));
3666 }
3667
3668 return 0;
3669 }
3670
3671 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3672 {
3673 QObject *value;
3674 const char *name;
3675
3676 name = qstring_get_str(cmd_args->name);
3677
3678 if (!args) {
3679 return check_opt(cmd_args, name, args);
3680 }
3681
3682 value = qdict_get(args, name);
3683 if (!value) {
3684 return check_opt(cmd_args, name, args);
3685 }
3686
3687 switch (cmd_args->type) {
3688 case 'F':
3689 case 'B':
3690 case 's':
3691 if (qobject_type(value) != QTYPE_QSTRING) {
3692 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3693 return -1;
3694 }
3695 break;
3696 case '/': {
3697 int i;
3698 const char *keys[] = { "count", "format", "size", NULL };
3699
3700 for (i = 0; keys[i]; i++) {
3701 QObject *obj = qdict_get(args, keys[i]);
3702 if (!obj) {
3703 qemu_error_new(QERR_MISSING_PARAMETER, name);
3704 return -1;
3705 }
3706 if (qobject_type(obj) != QTYPE_QINT) {
3707 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3708 return -1;
3709 }
3710 }
3711 break;
3712 }
3713 case 'i':
3714 case 'l':
3715 if (qobject_type(value) != QTYPE_QINT) {
3716 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3717 return -1;
3718 }
3719 break;
3720 case '-':
3721 if (qobject_type(value) != QTYPE_QINT &&
3722 qobject_type(value) != QTYPE_QBOOL) {
3723 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3724 return -1;
3725 }
3726 if (qobject_type(value) == QTYPE_QBOOL) {
3727 /* handlers expect a QInt, they need to be changed */
3728 qdict_put(args, name,
3729 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3730 }
3731 break;
3732 default:
3733 /* impossible */
3734 abort();
3735 }
3736
3737 return 0;
3738 }
3739
3740 static void cmd_args_init(CmdArgs *cmd_args)
3741 {
3742 cmd_args->name = qstring_new();
3743 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3744 }
3745
3746 /*
3747 * This is not trivial, we have to parse Monitor command's argument
3748 * type syntax to be able to check the arguments provided by clients.
3749 *
3750 * In the near future we will be using an array for that and will be
3751 * able to drop all this parsing...
3752 */
3753 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3754 {
3755 int err;
3756 const char *p;
3757 CmdArgs cmd_args;
3758
3759 if (cmd->args_type == '\0') {
3760 return (qdict_size(args) == 0 ? 0 : -1);
3761 }
3762
3763 err = 0;
3764 cmd_args_init(&cmd_args);
3765
3766 for (p = cmd->args_type;; p++) {
3767 if (*p == ':') {
3768 cmd_args.type = *++p;
3769 p++;
3770 if (cmd_args.type == '-') {
3771 cmd_args.flag = *p++;
3772 cmd_args.optional = 1;
3773 } else if (*p == '?') {
3774 cmd_args.optional = 1;
3775 p++;
3776 }
3777
3778 assert(*p == ',' || *p == '\0');
3779 err = check_arg(&cmd_args, args);
3780
3781 QDECREF(cmd_args.name);
3782 cmd_args_init(&cmd_args);
3783
3784 if (err < 0) {
3785 break;
3786 }
3787 } else {
3788 qstring_append_chr(cmd_args.name, *p);
3789 }
3790
3791 if (*p == '\0') {
3792 break;
3793 }
3794 }
3795
3796 QDECREF(cmd_args.name);
3797 return err;
3798 }
3799
3800 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3801 {
3802 int err;
3803 QObject *obj;
3804 QDict *input, *args;
3805 const mon_cmd_t *cmd;
3806 Monitor *mon = cur_mon;
3807 const char *cmd_name, *info_item;
3808
3809 args = NULL;
3810 qemu_errors_to_mon(mon);
3811
3812 obj = json_parser_parse(tokens, NULL);
3813 if (!obj) {
3814 // FIXME: should be triggered in json_parser_parse()
3815 qemu_error_new(QERR_JSON_PARSING);
3816 goto err_out;
3817 } else if (qobject_type(obj) != QTYPE_QDICT) {
3818 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3819 qobject_decref(obj);
3820 goto err_out;
3821 }
3822
3823 input = qobject_to_qdict(obj);
3824
3825 mon->mc->id = qdict_get(input, "id");
3826 qobject_incref(mon->mc->id);
3827
3828 obj = qdict_get(input, "execute");
3829 if (!obj) {
3830 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3831 goto err_input;
3832 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3833 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3834 goto err_input;
3835 }
3836
3837 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3838
3839 /*
3840 * XXX: We need this special case until we get info handlers
3841 * converted into 'query-' commands
3842 */
3843 if (compare_cmd(cmd_name, "info")) {
3844 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3845 goto err_input;
3846 } else if (strstart(cmd_name, "query-", &info_item)) {
3847 cmd = monitor_find_command("info");
3848 qdict_put_obj(input, "arguments",
3849 qobject_from_jsonf("{ 'item': %s }", info_item));
3850 } else {
3851 cmd = monitor_find_command(cmd_name);
3852 if (!cmd) {
3853 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3854 goto err_input;
3855 }
3856 }
3857
3858 obj = qdict_get(input, "arguments");
3859 if (!obj) {
3860 args = qdict_new();
3861 } else {
3862 args = qobject_to_qdict(obj);
3863 QINCREF(args);
3864 }
3865
3866 QDECREF(input);
3867
3868 err = monitor_check_qmp_args(cmd, args);
3869 if (err < 0) {
3870 goto err_out;
3871 }
3872
3873 monitor_call_handler(mon, cmd, args);
3874 goto out;
3875
3876 err_input:
3877 QDECREF(input);
3878 err_out:
3879 monitor_protocol_emitter(mon, NULL);
3880 out:
3881 QDECREF(args);
3882 qemu_errors_to_previous();
3883 }
3884
3885 /**
3886 * monitor_control_read(): Read and handle QMP input
3887 */
3888 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3889 {
3890 Monitor *old_mon = cur_mon;
3891
3892 cur_mon = opaque;
3893
3894 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3895
3896 cur_mon = old_mon;
3897 }
3898
3899 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3900 {
3901 Monitor *old_mon = cur_mon;
3902 int i;
3903
3904 cur_mon = opaque;
3905
3906 if (cur_mon->rs) {
3907 for (i = 0; i < size; i++)
3908 readline_handle_byte(cur_mon->rs, buf[i]);
3909 } else {
3910 if (size == 0 || buf[size - 1] != 0)
3911 monitor_printf(cur_mon, "corrupted command\n");
3912 else
3913 handle_user_command(cur_mon, (char *)buf);
3914 }
3915
3916 cur_mon = old_mon;
3917 }
3918
3919 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3920 {
3921 monitor_suspend(mon);
3922 handle_user_command(mon, cmdline);
3923 monitor_resume(mon);
3924 }
3925
3926 int monitor_suspend(Monitor *mon)
3927 {
3928 if (!mon->rs)
3929 return -ENOTTY;
3930 mon->suspend_cnt++;
3931 return 0;
3932 }
3933
3934 void monitor_resume(Monitor *mon)
3935 {
3936 if (!mon->rs)
3937 return;
3938 if (--mon->suspend_cnt == 0)
3939 readline_show_prompt(mon->rs);
3940 }
3941
3942 /**
3943 * monitor_control_event(): Print QMP gretting
3944 */
3945 static void monitor_control_event(void *opaque, int event)
3946 {
3947 if (event == CHR_EVENT_OPENED) {
3948 QObject *data;
3949 Monitor *mon = opaque;
3950
3951 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3952
3953 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3954 assert(data != NULL);
3955
3956 monitor_json_emitter(mon, data);
3957 qobject_decref(data);
3958 }
3959 }
3960
3961 static void monitor_event(void *opaque, int event)
3962 {
3963 Monitor *mon = opaque;
3964
3965 switch (event) {
3966 case CHR_EVENT_MUX_IN:
3967 mon->mux_out = 0;
3968 if (mon->reset_seen) {
3969 readline_restart(mon->rs);
3970 monitor_resume(mon);
3971 monitor_flush(mon);
3972 } else {
3973 mon->suspend_cnt = 0;
3974 }
3975 break;
3976
3977 case CHR_EVENT_MUX_OUT:
3978 if (mon->reset_seen) {
3979 if (mon->suspend_cnt == 0) {
3980 monitor_printf(mon, "\n");
3981 }
3982 monitor_flush(mon);
3983 monitor_suspend(mon);
3984 } else {
3985 mon->suspend_cnt++;
3986 }
3987 mon->mux_out = 1;
3988 break;
3989
3990 case CHR_EVENT_OPENED:
3991 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3992 "information\n", QEMU_VERSION);
3993 if (!mon->mux_out) {
3994 readline_show_prompt(mon->rs);
3995 }
3996 mon->reset_seen = 1;
3997 break;
3998 }
3999 }
4000
4001
4002 /*
4003 * Local variables:
4004 * c-indent-level: 4
4005 * c-basic-offset: 4
4006 * tab-width: 8
4007 * End:
4008 */
4009
4010 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4011 {
4012 const char *dev;
4013
4014 if (strstart(cmdline, "control,", &dev)) {
4015 if (strstart(dev, "vc", NULL)) {
4016 fprintf(stderr, "qemu: control mode is for low-level interaction ");
4017 fprintf(stderr, "cannot be used with device 'vc'\n");
4018 exit(1);
4019 }
4020 *flags &= ~MONITOR_USE_READLINE;
4021 *flags |= MONITOR_USE_CONTROL;
4022 return dev;
4023 }
4024
4025 return cmdline;
4026 }
4027
4028 void monitor_init(CharDriverState *chr, int flags)
4029 {
4030 static int is_first_init = 1;
4031 Monitor *mon;
4032
4033 if (is_first_init) {
4034 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4035 is_first_init = 0;
4036 }
4037
4038 mon = qemu_mallocz(sizeof(*mon));
4039
4040 mon->chr = chr;
4041 mon->flags = flags;
4042 if (flags & MONITOR_USE_READLINE) {
4043 mon->rs = readline_init(mon, monitor_find_completion);
4044 monitor_read_command(mon, 0);
4045 }
4046
4047 if (monitor_ctrl_mode(mon)) {
4048 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4049 /* Control mode requires special handlers */
4050 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4051 monitor_control_event, mon);
4052 } else {
4053 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4054 monitor_event, mon);
4055 }
4056
4057 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4058 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4059 cur_mon = mon;
4060 }
4061
4062 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4063 {
4064 BlockDriverState *bs = opaque;
4065 int ret = 0;
4066
4067 if (bdrv_set_key(bs, password) != 0) {
4068 monitor_printf(mon, "invalid password\n");
4069 ret = -EPERM;
4070 }
4071 if (mon->password_completion_cb)
4072 mon->password_completion_cb(mon->password_opaque, ret);
4073
4074 monitor_read_command(mon, 1);
4075 }
4076
4077 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4078 BlockDriverCompletionFunc *completion_cb,
4079 void *opaque)
4080 {
4081 int err;
4082
4083 if (!bdrv_key_required(bs)) {
4084 if (completion_cb)
4085 completion_cb(opaque, 0);
4086 return;
4087 }
4088
4089 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4090 bdrv_get_encrypted_filename(bs));
4091
4092 mon->password_completion_cb = completion_cb;
4093 mon->password_opaque = opaque;
4094
4095 err = monitor_read_password(mon, bdrv_password_cb, bs);
4096
4097 if (err && completion_cb)
4098 completion_cb(opaque, err);
4099 }
4100
4101 typedef struct QemuErrorSink QemuErrorSink;
4102 struct QemuErrorSink {
4103 enum {
4104 ERR_SINK_FILE,
4105 ERR_SINK_MONITOR,
4106 } dest;
4107 union {
4108 FILE *fp;
4109 Monitor *mon;
4110 };
4111 QemuErrorSink *previous;
4112 };
4113
4114 static QemuErrorSink *qemu_error_sink;
4115
4116 void qemu_errors_to_file(FILE *fp)
4117 {
4118 QemuErrorSink *sink;
4119
4120 sink = qemu_mallocz(sizeof(*sink));
4121 sink->dest = ERR_SINK_FILE;
4122 sink->fp = fp;
4123 sink->previous = qemu_error_sink;
4124 qemu_error_sink = sink;
4125 }
4126
4127 void qemu_errors_to_mon(Monitor *mon)
4128 {
4129 QemuErrorSink *sink;
4130
4131 sink = qemu_mallocz(sizeof(*sink));
4132 sink->dest = ERR_SINK_MONITOR;
4133 sink->mon = mon;
4134 sink->previous = qemu_error_sink;
4135 qemu_error_sink = sink;
4136 }
4137
4138 void qemu_errors_to_previous(void)
4139 {
4140 QemuErrorSink *sink;
4141
4142 assert(qemu_error_sink != NULL);
4143 sink = qemu_error_sink;
4144 qemu_error_sink = sink->previous;
4145 qemu_free(sink);
4146 }
4147
4148 void qemu_error(const char *fmt, ...)
4149 {
4150 va_list args;
4151
4152 assert(qemu_error_sink != NULL);
4153 switch (qemu_error_sink->dest) {
4154 case ERR_SINK_FILE:
4155 va_start(args, fmt);
4156 vfprintf(qemu_error_sink->fp, fmt, args);
4157 va_end(args);
4158 break;
4159 case ERR_SINK_MONITOR:
4160 va_start(args, fmt);
4161 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4162 va_end(args);
4163 break;
4164 }
4165 }
4166
4167 void qemu_error_internal(const char *file, int linenr, const char *func,
4168 const char *fmt, ...)
4169 {
4170 va_list va;
4171 QError *qerror;
4172
4173 assert(qemu_error_sink != NULL);
4174
4175 va_start(va, fmt);
4176 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4177 va_end(va);
4178
4179 switch (qemu_error_sink->dest) {
4180 case ERR_SINK_FILE:
4181 qerror_print(qerror);
4182 QDECREF(qerror);
4183 break;
4184 case ERR_SINK_MONITOR:
4185 assert(qemu_error_sink->mon->error == NULL);
4186 qemu_error_sink->mon->error = qerror;
4187 break;
4188 }
4189 }
Anthony Liguori's QEMU queue