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