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