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monitor: convert do_getfd() 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 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2075 return;
2076 }
2077
2078 if (qemu_isdigit(fdname[0])) {
2079 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2080 return;
2081 }
2082
2083 fd = dup(fd);
2084 if (fd == -1) {
2085 if (errno == EMFILE)
2086 qemu_error_new(QERR_TOO_MANY_FILES);
2087 else
2088 qemu_error_new(QERR_UNDEFINED_ERROR);
2089 return;
2090 }
2091
2092 QLIST_FOREACH(monfd, &mon->fds, next) {
2093 if (strcmp(monfd->name, fdname) != 0) {
2094 continue;
2095 }
2096
2097 close(monfd->fd);
2098 monfd->fd = fd;
2099 return;
2100 }
2101
2102 monfd = qemu_mallocz(sizeof(mon_fd_t));
2103 monfd->name = qemu_strdup(fdname);
2104 monfd->fd = fd;
2105
2106 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2107 }
2108
2109 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2110 {
2111 const char *fdname = qdict_get_str(qdict, "fdname");
2112 mon_fd_t *monfd;
2113
2114 QLIST_FOREACH(monfd, &mon->fds, next) {
2115 if (strcmp(monfd->name, fdname) != 0) {
2116 continue;
2117 }
2118
2119 QLIST_REMOVE(monfd, next);
2120 close(monfd->fd);
2121 qemu_free(monfd->name);
2122 qemu_free(monfd);
2123 return;
2124 }
2125
2126 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2127 }
2128
2129 static void do_loadvm(Monitor *mon, const QDict *qdict)
2130 {
2131 int saved_vm_running = vm_running;
2132 const char *name = qdict_get_str(qdict, "name");
2133
2134 vm_stop(0);
2135
2136 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2137 vm_start();
2138 }
2139
2140 int monitor_get_fd(Monitor *mon, const char *fdname)
2141 {
2142 mon_fd_t *monfd;
2143
2144 QLIST_FOREACH(monfd, &mon->fds, next) {
2145 int fd;
2146
2147 if (strcmp(monfd->name, fdname) != 0) {
2148 continue;
2149 }
2150
2151 fd = monfd->fd;
2152
2153 /* caller takes ownership of fd */
2154 QLIST_REMOVE(monfd, next);
2155 qemu_free(monfd->name);
2156 qemu_free(monfd);
2157
2158 return fd;
2159 }
2160
2161 return -1;
2162 }
2163
2164 static const mon_cmd_t mon_cmds[] = {
2165 #include "qemu-monitor.h"
2166 { NULL, NULL, },
2167 };
2168
2169 /* Please update qemu-monitor.hx when adding or changing commands */
2170 static const mon_cmd_t info_cmds[] = {
2171 {
2172 .name = "version",
2173 .args_type = "",
2174 .params = "",
2175 .help = "show the version of QEMU",
2176 .user_print = monitor_print_qobject,
2177 .mhandler.info_new = do_info_version,
2178 },
2179 {
2180 .name = "commands",
2181 .args_type = "",
2182 .params = "",
2183 .help = "list QMP available commands",
2184 .user_print = monitor_user_noop,
2185 .mhandler.info_new = do_info_commands,
2186 },
2187 {
2188 .name = "network",
2189 .args_type = "",
2190 .params = "",
2191 .help = "show the network state",
2192 .mhandler.info = do_info_network,
2193 },
2194 {
2195 .name = "chardev",
2196 .args_type = "",
2197 .params = "",
2198 .help = "show the character devices",
2199 .mhandler.info = qemu_chr_info,
2200 },
2201 {
2202 .name = "block",
2203 .args_type = "",
2204 .params = "",
2205 .help = "show the block devices",
2206 .mhandler.info = bdrv_info,
2207 },
2208 {
2209 .name = "blockstats",
2210 .args_type = "",
2211 .params = "",
2212 .help = "show block device statistics",
2213 .mhandler.info = bdrv_info_stats,
2214 },
2215 {
2216 .name = "registers",
2217 .args_type = "",
2218 .params = "",
2219 .help = "show the cpu registers",
2220 .mhandler.info = do_info_registers,
2221 },
2222 {
2223 .name = "cpus",
2224 .args_type = "",
2225 .params = "",
2226 .help = "show infos for each CPU",
2227 .user_print = monitor_print_cpus,
2228 .mhandler.info_new = do_info_cpus,
2229 },
2230 {
2231 .name = "history",
2232 .args_type = "",
2233 .params = "",
2234 .help = "show the command line history",
2235 .mhandler.info = do_info_history,
2236 },
2237 {
2238 .name = "irq",
2239 .args_type = "",
2240 .params = "",
2241 .help = "show the interrupts statistics (if available)",
2242 .mhandler.info = irq_info,
2243 },
2244 {
2245 .name = "pic",
2246 .args_type = "",
2247 .params = "",
2248 .help = "show i8259 (PIC) state",
2249 .mhandler.info = pic_info,
2250 },
2251 {
2252 .name = "pci",
2253 .args_type = "",
2254 .params = "",
2255 .help = "show PCI info",
2256 .mhandler.info = pci_info,
2257 },
2258 #if defined(TARGET_I386) || defined(TARGET_SH4)
2259 {
2260 .name = "tlb",
2261 .args_type = "",
2262 .params = "",
2263 .help = "show virtual to physical memory mappings",
2264 .mhandler.info = tlb_info,
2265 },
2266 #endif
2267 #if defined(TARGET_I386)
2268 {
2269 .name = "mem",
2270 .args_type = "",
2271 .params = "",
2272 .help = "show the active virtual memory mappings",
2273 .mhandler.info = mem_info,
2274 },
2275 {
2276 .name = "hpet",
2277 .args_type = "",
2278 .params = "",
2279 .help = "show state of HPET",
2280 .mhandler.info = do_info_hpet,
2281 },
2282 #endif
2283 {
2284 .name = "jit",
2285 .args_type = "",
2286 .params = "",
2287 .help = "show dynamic compiler info",
2288 .mhandler.info = do_info_jit,
2289 },
2290 {
2291 .name = "kvm",
2292 .args_type = "",
2293 .params = "",
2294 .help = "show KVM information",
2295 .mhandler.info = do_info_kvm,
2296 },
2297 {
2298 .name = "numa",
2299 .args_type = "",
2300 .params = "",
2301 .help = "show NUMA information",
2302 .mhandler.info = do_info_numa,
2303 },
2304 {
2305 .name = "usb",
2306 .args_type = "",
2307 .params = "",
2308 .help = "show guest USB devices",
2309 .mhandler.info = usb_info,
2310 },
2311 {
2312 .name = "usbhost",
2313 .args_type = "",
2314 .params = "",
2315 .help = "show host USB devices",
2316 .mhandler.info = usb_host_info,
2317 },
2318 {
2319 .name = "profile",
2320 .args_type = "",
2321 .params = "",
2322 .help = "show profiling information",
2323 .mhandler.info = do_info_profile,
2324 },
2325 {
2326 .name = "capture",
2327 .args_type = "",
2328 .params = "",
2329 .help = "show capture information",
2330 .mhandler.info = do_info_capture,
2331 },
2332 {
2333 .name = "snapshots",
2334 .args_type = "",
2335 .params = "",
2336 .help = "show the currently saved VM snapshots",
2337 .mhandler.info = do_info_snapshots,
2338 },
2339 {
2340 .name = "status",
2341 .args_type = "",
2342 .params = "",
2343 .help = "show the current VM status (running|paused)",
2344 .mhandler.info = do_info_status,
2345 },
2346 {
2347 .name = "pcmcia",
2348 .args_type = "",
2349 .params = "",
2350 .help = "show guest PCMCIA status",
2351 .mhandler.info = pcmcia_info,
2352 },
2353 {
2354 .name = "mice",
2355 .args_type = "",
2356 .params = "",
2357 .help = "show which guest mouse is receiving events",
2358 .mhandler.info = do_info_mice,
2359 },
2360 {
2361 .name = "vnc",
2362 .args_type = "",
2363 .params = "",
2364 .help = "show the vnc server status",
2365 .mhandler.info = do_info_vnc,
2366 },
2367 {
2368 .name = "name",
2369 .args_type = "",
2370 .params = "",
2371 .help = "show the current VM name",
2372 .mhandler.info = do_info_name,
2373 },
2374 {
2375 .name = "uuid",
2376 .args_type = "",
2377 .params = "",
2378 .help = "show the current VM UUID",
2379 .mhandler.info = do_info_uuid,
2380 },
2381 #if defined(TARGET_PPC)
2382 {
2383 .name = "cpustats",
2384 .args_type = "",
2385 .params = "",
2386 .help = "show CPU statistics",
2387 .mhandler.info = do_info_cpu_stats,
2388 },
2389 #endif
2390 #if defined(CONFIG_SLIRP)
2391 {
2392 .name = "usernet",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show user network stack connection states",
2396 .mhandler.info = do_info_usernet,
2397 },
2398 #endif
2399 {
2400 .name = "migrate",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show migration status",
2404 .mhandler.info = do_info_migrate,
2405 },
2406 {
2407 .name = "balloon",
2408 .args_type = "",
2409 .params = "",
2410 .help = "show balloon information",
2411 .user_print = monitor_print_balloon,
2412 .mhandler.info_new = do_info_balloon,
2413 },
2414 {
2415 .name = "qtree",
2416 .args_type = "",
2417 .params = "",
2418 .help = "show device tree",
2419 .mhandler.info = do_info_qtree,
2420 },
2421 {
2422 .name = "qdm",
2423 .args_type = "",
2424 .params = "",
2425 .help = "show qdev device model list",
2426 .mhandler.info = do_info_qdm,
2427 },
2428 {
2429 .name = "roms",
2430 .args_type = "",
2431 .params = "",
2432 .help = "show roms",
2433 .mhandler.info = do_info_roms,
2434 },
2435 {
2436 .name = NULL,
2437 },
2438 };
2439
2440 /*******************************************************************/
2441
2442 static const char *pch;
2443 static jmp_buf expr_env;
2444
2445 #define MD_TLONG 0
2446 #define MD_I32 1
2447
2448 typedef struct MonitorDef {
2449 const char *name;
2450 int offset;
2451 target_long (*get_value)(const struct MonitorDef *md, int val);
2452 int type;
2453 } MonitorDef;
2454
2455 #if defined(TARGET_I386)
2456 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2457 {
2458 CPUState *env = mon_get_cpu();
2459 if (!env)
2460 return 0;
2461 return env->eip + env->segs[R_CS].base;
2462 }
2463 #endif
2464
2465 #if defined(TARGET_PPC)
2466 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2467 {
2468 CPUState *env = mon_get_cpu();
2469 unsigned int u;
2470 int i;
2471
2472 if (!env)
2473 return 0;
2474
2475 u = 0;
2476 for (i = 0; i < 8; i++)
2477 u |= env->crf[i] << (32 - (4 * i));
2478
2479 return u;
2480 }
2481
2482 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2483 {
2484 CPUState *env = mon_get_cpu();
2485 if (!env)
2486 return 0;
2487 return env->msr;
2488 }
2489
2490 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2491 {
2492 CPUState *env = mon_get_cpu();
2493 if (!env)
2494 return 0;
2495 return env->xer;
2496 }
2497
2498 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2499 {
2500 CPUState *env = mon_get_cpu();
2501 if (!env)
2502 return 0;
2503 return cpu_ppc_load_decr(env);
2504 }
2505
2506 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2507 {
2508 CPUState *env = mon_get_cpu();
2509 if (!env)
2510 return 0;
2511 return cpu_ppc_load_tbu(env);
2512 }
2513
2514 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2515 {
2516 CPUState *env = mon_get_cpu();
2517 if (!env)
2518 return 0;
2519 return cpu_ppc_load_tbl(env);
2520 }
2521 #endif
2522
2523 #if defined(TARGET_SPARC)
2524 #ifndef TARGET_SPARC64
2525 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2526 {
2527 CPUState *env = mon_get_cpu();
2528 if (!env)
2529 return 0;
2530 return GET_PSR(env);
2531 }
2532 #endif
2533
2534 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2535 {
2536 CPUState *env = mon_get_cpu();
2537 if (!env)
2538 return 0;
2539 return env->regwptr[val];
2540 }
2541 #endif
2542
2543 static const MonitorDef monitor_defs[] = {
2544 #ifdef TARGET_I386
2545
2546 #define SEG(name, seg) \
2547 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2548 { name ".base", offsetof(CPUState, segs[seg].base) },\
2549 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2550
2551 { "eax", offsetof(CPUState, regs[0]) },
2552 { "ecx", offsetof(CPUState, regs[1]) },
2553 { "edx", offsetof(CPUState, regs[2]) },
2554 { "ebx", offsetof(CPUState, regs[3]) },
2555 { "esp|sp", offsetof(CPUState, regs[4]) },
2556 { "ebp|fp", offsetof(CPUState, regs[5]) },
2557 { "esi", offsetof(CPUState, regs[6]) },
2558 { "edi", offsetof(CPUState, regs[7]) },
2559 #ifdef TARGET_X86_64
2560 { "r8", offsetof(CPUState, regs[8]) },
2561 { "r9", offsetof(CPUState, regs[9]) },
2562 { "r10", offsetof(CPUState, regs[10]) },
2563 { "r11", offsetof(CPUState, regs[11]) },
2564 { "r12", offsetof(CPUState, regs[12]) },
2565 { "r13", offsetof(CPUState, regs[13]) },
2566 { "r14", offsetof(CPUState, regs[14]) },
2567 { "r15", offsetof(CPUState, regs[15]) },
2568 #endif
2569 { "eflags", offsetof(CPUState, eflags) },
2570 { "eip", offsetof(CPUState, eip) },
2571 SEG("cs", R_CS)
2572 SEG("ds", R_DS)
2573 SEG("es", R_ES)
2574 SEG("ss", R_SS)
2575 SEG("fs", R_FS)
2576 SEG("gs", R_GS)
2577 { "pc", 0, monitor_get_pc, },
2578 #elif defined(TARGET_PPC)
2579 /* General purpose registers */
2580 { "r0", offsetof(CPUState, gpr[0]) },
2581 { "r1", offsetof(CPUState, gpr[1]) },
2582 { "r2", offsetof(CPUState, gpr[2]) },
2583 { "r3", offsetof(CPUState, gpr[3]) },
2584 { "r4", offsetof(CPUState, gpr[4]) },
2585 { "r5", offsetof(CPUState, gpr[5]) },
2586 { "r6", offsetof(CPUState, gpr[6]) },
2587 { "r7", offsetof(CPUState, gpr[7]) },
2588 { "r8", offsetof(CPUState, gpr[8]) },
2589 { "r9", offsetof(CPUState, gpr[9]) },
2590 { "r10", offsetof(CPUState, gpr[10]) },
2591 { "r11", offsetof(CPUState, gpr[11]) },
2592 { "r12", offsetof(CPUState, gpr[12]) },
2593 { "r13", offsetof(CPUState, gpr[13]) },
2594 { "r14", offsetof(CPUState, gpr[14]) },
2595 { "r15", offsetof(CPUState, gpr[15]) },
2596 { "r16", offsetof(CPUState, gpr[16]) },
2597 { "r17", offsetof(CPUState, gpr[17]) },
2598 { "r18", offsetof(CPUState, gpr[18]) },
2599 { "r19", offsetof(CPUState, gpr[19]) },
2600 { "r20", offsetof(CPUState, gpr[20]) },
2601 { "r21", offsetof(CPUState, gpr[21]) },
2602 { "r22", offsetof(CPUState, gpr[22]) },
2603 { "r23", offsetof(CPUState, gpr[23]) },
2604 { "r24", offsetof(CPUState, gpr[24]) },
2605 { "r25", offsetof(CPUState, gpr[25]) },
2606 { "r26", offsetof(CPUState, gpr[26]) },
2607 { "r27", offsetof(CPUState, gpr[27]) },
2608 { "r28", offsetof(CPUState, gpr[28]) },
2609 { "r29", offsetof(CPUState, gpr[29]) },
2610 { "r30", offsetof(CPUState, gpr[30]) },
2611 { "r31", offsetof(CPUState, gpr[31]) },
2612 /* Floating point registers */
2613 { "f0", offsetof(CPUState, fpr[0]) },
2614 { "f1", offsetof(CPUState, fpr[1]) },
2615 { "f2", offsetof(CPUState, fpr[2]) },
2616 { "f3", offsetof(CPUState, fpr[3]) },
2617 { "f4", offsetof(CPUState, fpr[4]) },
2618 { "f5", offsetof(CPUState, fpr[5]) },
2619 { "f6", offsetof(CPUState, fpr[6]) },
2620 { "f7", offsetof(CPUState, fpr[7]) },
2621 { "f8", offsetof(CPUState, fpr[8]) },
2622 { "f9", offsetof(CPUState, fpr[9]) },
2623 { "f10", offsetof(CPUState, fpr[10]) },
2624 { "f11", offsetof(CPUState, fpr[11]) },
2625 { "f12", offsetof(CPUState, fpr[12]) },
2626 { "f13", offsetof(CPUState, fpr[13]) },
2627 { "f14", offsetof(CPUState, fpr[14]) },
2628 { "f15", offsetof(CPUState, fpr[15]) },
2629 { "f16", offsetof(CPUState, fpr[16]) },
2630 { "f17", offsetof(CPUState, fpr[17]) },
2631 { "f18", offsetof(CPUState, fpr[18]) },
2632 { "f19", offsetof(CPUState, fpr[19]) },
2633 { "f20", offsetof(CPUState, fpr[20]) },
2634 { "f21", offsetof(CPUState, fpr[21]) },
2635 { "f22", offsetof(CPUState, fpr[22]) },
2636 { "f23", offsetof(CPUState, fpr[23]) },
2637 { "f24", offsetof(CPUState, fpr[24]) },
2638 { "f25", offsetof(CPUState, fpr[25]) },
2639 { "f26", offsetof(CPUState, fpr[26]) },
2640 { "f27", offsetof(CPUState, fpr[27]) },
2641 { "f28", offsetof(CPUState, fpr[28]) },
2642 { "f29", offsetof(CPUState, fpr[29]) },
2643 { "f30", offsetof(CPUState, fpr[30]) },
2644 { "f31", offsetof(CPUState, fpr[31]) },
2645 { "fpscr", offsetof(CPUState, fpscr) },
2646 /* Next instruction pointer */
2647 { "nip|pc", offsetof(CPUState, nip) },
2648 { "lr", offsetof(CPUState, lr) },
2649 { "ctr", offsetof(CPUState, ctr) },
2650 { "decr", 0, &monitor_get_decr, },
2651 { "ccr", 0, &monitor_get_ccr, },
2652 /* Machine state register */
2653 { "msr", 0, &monitor_get_msr, },
2654 { "xer", 0, &monitor_get_xer, },
2655 { "tbu", 0, &monitor_get_tbu, },
2656 { "tbl", 0, &monitor_get_tbl, },
2657 #if defined(TARGET_PPC64)
2658 /* Address space register */
2659 { "asr", offsetof(CPUState, asr) },
2660 #endif
2661 /* Segment registers */
2662 { "sdr1", offsetof(CPUState, sdr1) },
2663 { "sr0", offsetof(CPUState, sr[0]) },
2664 { "sr1", offsetof(CPUState, sr[1]) },
2665 { "sr2", offsetof(CPUState, sr[2]) },
2666 { "sr3", offsetof(CPUState, sr[3]) },
2667 { "sr4", offsetof(CPUState, sr[4]) },
2668 { "sr5", offsetof(CPUState, sr[5]) },
2669 { "sr6", offsetof(CPUState, sr[6]) },
2670 { "sr7", offsetof(CPUState, sr[7]) },
2671 { "sr8", offsetof(CPUState, sr[8]) },
2672 { "sr9", offsetof(CPUState, sr[9]) },
2673 { "sr10", offsetof(CPUState, sr[10]) },
2674 { "sr11", offsetof(CPUState, sr[11]) },
2675 { "sr12", offsetof(CPUState, sr[12]) },
2676 { "sr13", offsetof(CPUState, sr[13]) },
2677 { "sr14", offsetof(CPUState, sr[14]) },
2678 { "sr15", offsetof(CPUState, sr[15]) },
2679 /* Too lazy to put BATs and SPRs ... */
2680 #elif defined(TARGET_SPARC)
2681 { "g0", offsetof(CPUState, gregs[0]) },
2682 { "g1", offsetof(CPUState, gregs[1]) },
2683 { "g2", offsetof(CPUState, gregs[2]) },
2684 { "g3", offsetof(CPUState, gregs[3]) },
2685 { "g4", offsetof(CPUState, gregs[4]) },
2686 { "g5", offsetof(CPUState, gregs[5]) },
2687 { "g6", offsetof(CPUState, gregs[6]) },
2688 { "g7", offsetof(CPUState, gregs[7]) },
2689 { "o0", 0, monitor_get_reg },
2690 { "o1", 1, monitor_get_reg },
2691 { "o2", 2, monitor_get_reg },
2692 { "o3", 3, monitor_get_reg },
2693 { "o4", 4, monitor_get_reg },
2694 { "o5", 5, monitor_get_reg },
2695 { "o6", 6, monitor_get_reg },
2696 { "o7", 7, monitor_get_reg },
2697 { "l0", 8, monitor_get_reg },
2698 { "l1", 9, monitor_get_reg },
2699 { "l2", 10, monitor_get_reg },
2700 { "l3", 11, monitor_get_reg },
2701 { "l4", 12, monitor_get_reg },
2702 { "l5", 13, monitor_get_reg },
2703 { "l6", 14, monitor_get_reg },
2704 { "l7", 15, monitor_get_reg },
2705 { "i0", 16, monitor_get_reg },
2706 { "i1", 17, monitor_get_reg },
2707 { "i2", 18, monitor_get_reg },
2708 { "i3", 19, monitor_get_reg },
2709 { "i4", 20, monitor_get_reg },
2710 { "i5", 21, monitor_get_reg },
2711 { "i6", 22, monitor_get_reg },
2712 { "i7", 23, monitor_get_reg },
2713 { "pc", offsetof(CPUState, pc) },
2714 { "npc", offsetof(CPUState, npc) },
2715 { "y", offsetof(CPUState, y) },
2716 #ifndef TARGET_SPARC64
2717 { "psr", 0, &monitor_get_psr, },
2718 { "wim", offsetof(CPUState, wim) },
2719 #endif
2720 { "tbr", offsetof(CPUState, tbr) },
2721 { "fsr", offsetof(CPUState, fsr) },
2722 { "f0", offsetof(CPUState, fpr[0]) },
2723 { "f1", offsetof(CPUState, fpr[1]) },
2724 { "f2", offsetof(CPUState, fpr[2]) },
2725 { "f3", offsetof(CPUState, fpr[3]) },
2726 { "f4", offsetof(CPUState, fpr[4]) },
2727 { "f5", offsetof(CPUState, fpr[5]) },
2728 { "f6", offsetof(CPUState, fpr[6]) },
2729 { "f7", offsetof(CPUState, fpr[7]) },
2730 { "f8", offsetof(CPUState, fpr[8]) },
2731 { "f9", offsetof(CPUState, fpr[9]) },
2732 { "f10", offsetof(CPUState, fpr[10]) },
2733 { "f11", offsetof(CPUState, fpr[11]) },
2734 { "f12", offsetof(CPUState, fpr[12]) },
2735 { "f13", offsetof(CPUState, fpr[13]) },
2736 { "f14", offsetof(CPUState, fpr[14]) },
2737 { "f15", offsetof(CPUState, fpr[15]) },
2738 { "f16", offsetof(CPUState, fpr[16]) },
2739 { "f17", offsetof(CPUState, fpr[17]) },
2740 { "f18", offsetof(CPUState, fpr[18]) },
2741 { "f19", offsetof(CPUState, fpr[19]) },
2742 { "f20", offsetof(CPUState, fpr[20]) },
2743 { "f21", offsetof(CPUState, fpr[21]) },
2744 { "f22", offsetof(CPUState, fpr[22]) },
2745 { "f23", offsetof(CPUState, fpr[23]) },
2746 { "f24", offsetof(CPUState, fpr[24]) },
2747 { "f25", offsetof(CPUState, fpr[25]) },
2748 { "f26", offsetof(CPUState, fpr[26]) },
2749 { "f27", offsetof(CPUState, fpr[27]) },
2750 { "f28", offsetof(CPUState, fpr[28]) },
2751 { "f29", offsetof(CPUState, fpr[29]) },
2752 { "f30", offsetof(CPUState, fpr[30]) },
2753 { "f31", offsetof(CPUState, fpr[31]) },
2754 #ifdef TARGET_SPARC64
2755 { "f32", offsetof(CPUState, fpr[32]) },
2756 { "f34", offsetof(CPUState, fpr[34]) },
2757 { "f36", offsetof(CPUState, fpr[36]) },
2758 { "f38", offsetof(CPUState, fpr[38]) },
2759 { "f40", offsetof(CPUState, fpr[40]) },
2760 { "f42", offsetof(CPUState, fpr[42]) },
2761 { "f44", offsetof(CPUState, fpr[44]) },
2762 { "f46", offsetof(CPUState, fpr[46]) },
2763 { "f48", offsetof(CPUState, fpr[48]) },
2764 { "f50", offsetof(CPUState, fpr[50]) },
2765 { "f52", offsetof(CPUState, fpr[52]) },
2766 { "f54", offsetof(CPUState, fpr[54]) },
2767 { "f56", offsetof(CPUState, fpr[56]) },
2768 { "f58", offsetof(CPUState, fpr[58]) },
2769 { "f60", offsetof(CPUState, fpr[60]) },
2770 { "f62", offsetof(CPUState, fpr[62]) },
2771 { "asi", offsetof(CPUState, asi) },
2772 { "pstate", offsetof(CPUState, pstate) },
2773 { "cansave", offsetof(CPUState, cansave) },
2774 { "canrestore", offsetof(CPUState, canrestore) },
2775 { "otherwin", offsetof(CPUState, otherwin) },
2776 { "wstate", offsetof(CPUState, wstate) },
2777 { "cleanwin", offsetof(CPUState, cleanwin) },
2778 { "fprs", offsetof(CPUState, fprs) },
2779 #endif
2780 #endif
2781 { NULL },
2782 };
2783
2784 static void expr_error(Monitor *mon, const char *msg)
2785 {
2786 monitor_printf(mon, "%s\n", msg);
2787 longjmp(expr_env, 1);
2788 }
2789
2790 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2791 static int get_monitor_def(target_long *pval, const char *name)
2792 {
2793 const MonitorDef *md;
2794 void *ptr;
2795
2796 for(md = monitor_defs; md->name != NULL; md++) {
2797 if (compare_cmd(name, md->name)) {
2798 if (md->get_value) {
2799 *pval = md->get_value(md, md->offset);
2800 } else {
2801 CPUState *env = mon_get_cpu();
2802 if (!env)
2803 return -2;
2804 ptr = (uint8_t *)env + md->offset;
2805 switch(md->type) {
2806 case MD_I32:
2807 *pval = *(int32_t *)ptr;
2808 break;
2809 case MD_TLONG:
2810 *pval = *(target_long *)ptr;
2811 break;
2812 default:
2813 *pval = 0;
2814 break;
2815 }
2816 }
2817 return 0;
2818 }
2819 }
2820 return -1;
2821 }
2822
2823 static void next(void)
2824 {
2825 if (*pch != '\0') {
2826 pch++;
2827 while (qemu_isspace(*pch))
2828 pch++;
2829 }
2830 }
2831
2832 static int64_t expr_sum(Monitor *mon);
2833
2834 static int64_t expr_unary(Monitor *mon)
2835 {
2836 int64_t n;
2837 char *p;
2838 int ret;
2839
2840 switch(*pch) {
2841 case '+':
2842 next();
2843 n = expr_unary(mon);
2844 break;
2845 case '-':
2846 next();
2847 n = -expr_unary(mon);
2848 break;
2849 case '~':
2850 next();
2851 n = ~expr_unary(mon);
2852 break;
2853 case '(':
2854 next();
2855 n = expr_sum(mon);
2856 if (*pch != ')') {
2857 expr_error(mon, "')' expected");
2858 }
2859 next();
2860 break;
2861 case '\'':
2862 pch++;
2863 if (*pch == '\0')
2864 expr_error(mon, "character constant expected");
2865 n = *pch;
2866 pch++;
2867 if (*pch != '\'')
2868 expr_error(mon, "missing terminating \' character");
2869 next();
2870 break;
2871 case '$':
2872 {
2873 char buf[128], *q;
2874 target_long reg=0;
2875
2876 pch++;
2877 q = buf;
2878 while ((*pch >= 'a' && *pch <= 'z') ||
2879 (*pch >= 'A' && *pch <= 'Z') ||
2880 (*pch >= '0' && *pch <= '9') ||
2881 *pch == '_' || *pch == '.') {
2882 if ((q - buf) < sizeof(buf) - 1)
2883 *q++ = *pch;
2884 pch++;
2885 }
2886 while (qemu_isspace(*pch))
2887 pch++;
2888 *q = 0;
2889 ret = get_monitor_def(&reg, buf);
2890 if (ret == -1)
2891 expr_error(mon, "unknown register");
2892 else if (ret == -2)
2893 expr_error(mon, "no cpu defined");
2894 n = reg;
2895 }
2896 break;
2897 case '\0':
2898 expr_error(mon, "unexpected end of expression");
2899 n = 0;
2900 break;
2901 default:
2902 #if TARGET_PHYS_ADDR_BITS > 32
2903 n = strtoull(pch, &p, 0);
2904 #else
2905 n = strtoul(pch, &p, 0);
2906 #endif
2907 if (pch == p) {
2908 expr_error(mon, "invalid char in expression");
2909 }
2910 pch = p;
2911 while (qemu_isspace(*pch))
2912 pch++;
2913 break;
2914 }
2915 return n;
2916 }
2917
2918
2919 static int64_t expr_prod(Monitor *mon)
2920 {
2921 int64_t val, val2;
2922 int op;
2923
2924 val = expr_unary(mon);
2925 for(;;) {
2926 op = *pch;
2927 if (op != '*' && op != '/' && op != '%')
2928 break;
2929 next();
2930 val2 = expr_unary(mon);
2931 switch(op) {
2932 default:
2933 case '*':
2934 val *= val2;
2935 break;
2936 case '/':
2937 case '%':
2938 if (val2 == 0)
2939 expr_error(mon, "division by zero");
2940 if (op == '/')
2941 val /= val2;
2942 else
2943 val %= val2;
2944 break;
2945 }
2946 }
2947 return val;
2948 }
2949
2950 static int64_t expr_logic(Monitor *mon)
2951 {
2952 int64_t val, val2;
2953 int op;
2954
2955 val = expr_prod(mon);
2956 for(;;) {
2957 op = *pch;
2958 if (op != '&' && op != '|' && op != '^')
2959 break;
2960 next();
2961 val2 = expr_prod(mon);
2962 switch(op) {
2963 default:
2964 case '&':
2965 val &= val2;
2966 break;
2967 case '|':
2968 val |= val2;
2969 break;
2970 case '^':
2971 val ^= val2;
2972 break;
2973 }
2974 }
2975 return val;
2976 }
2977
2978 static int64_t expr_sum(Monitor *mon)
2979 {
2980 int64_t val, val2;
2981 int op;
2982
2983 val = expr_logic(mon);
2984 for(;;) {
2985 op = *pch;
2986 if (op != '+' && op != '-')
2987 break;
2988 next();
2989 val2 = expr_logic(mon);
2990 if (op == '+')
2991 val += val2;
2992 else
2993 val -= val2;
2994 }
2995 return val;
2996 }
2997
2998 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2999 {
3000 pch = *pp;
3001 if (setjmp(expr_env)) {
3002 *pp = pch;
3003 return -1;
3004 }
3005 while (qemu_isspace(*pch))
3006 pch++;
3007 *pval = expr_sum(mon);
3008 *pp = pch;
3009 return 0;
3010 }
3011
3012 static int get_str(char *buf, int buf_size, const char **pp)
3013 {
3014 const char *p;
3015 char *q;
3016 int c;
3017
3018 q = buf;
3019 p = *pp;
3020 while (qemu_isspace(*p))
3021 p++;
3022 if (*p == '\0') {
3023 fail:
3024 *q = '\0';
3025 *pp = p;
3026 return -1;
3027 }
3028 if (*p == '\"') {
3029 p++;
3030 while (*p != '\0' && *p != '\"') {
3031 if (*p == '\\') {
3032 p++;
3033 c = *p++;
3034 switch(c) {
3035 case 'n':
3036 c = '\n';
3037 break;
3038 case 'r':
3039 c = '\r';
3040 break;
3041 case '\\':
3042 case '\'':
3043 case '\"':
3044 break;
3045 default:
3046 qemu_printf("unsupported escape code: '\\%c'\n", c);
3047 goto fail;
3048 }
3049 if ((q - buf) < buf_size - 1) {
3050 *q++ = c;
3051 }
3052 } else {
3053 if ((q - buf) < buf_size - 1) {
3054 *q++ = *p;
3055 }
3056 p++;
3057 }
3058 }
3059 if (*p != '\"') {
3060 qemu_printf("unterminated string\n");
3061 goto fail;
3062 }
3063 p++;
3064 } else {
3065 while (*p != '\0' && !qemu_isspace(*p)) {
3066 if ((q - buf) < buf_size - 1) {
3067 *q++ = *p;
3068 }
3069 p++;
3070 }
3071 }
3072 *q = '\0';
3073 *pp = p;
3074 return 0;
3075 }
3076
3077 /*
3078 * Store the command-name in cmdname, and return a pointer to
3079 * the remaining of the command string.
3080 */
3081 static const char *get_command_name(const char *cmdline,
3082 char *cmdname, size_t nlen)
3083 {
3084 size_t len;
3085 const char *p, *pstart;
3086
3087 p = cmdline;
3088 while (qemu_isspace(*p))
3089 p++;
3090 if (*p == '\0')
3091 return NULL;
3092 pstart = p;
3093 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3094 p++;
3095 len = p - pstart;
3096 if (len > nlen - 1)
3097 len = nlen - 1;
3098 memcpy(cmdname, pstart, len);
3099 cmdname[len] = '\0';
3100 return p;
3101 }
3102
3103 /**
3104 * Read key of 'type' into 'key' and return the current
3105 * 'type' pointer.
3106 */
3107 static char *key_get_info(const char *type, char **key)
3108 {
3109 size_t len;
3110 char *p, *str;
3111
3112 if (*type == ',')
3113 type++;
3114
3115 p = strchr(type, ':');
3116 if (!p) {
3117 *key = NULL;
3118 return NULL;
3119 }
3120 len = p - type;
3121
3122 str = qemu_malloc(len + 1);
3123 memcpy(str, type, len);
3124 str[len] = '\0';
3125
3126 *key = str;
3127 return ++p;
3128 }
3129
3130 static int default_fmt_format = 'x';
3131 static int default_fmt_size = 4;
3132
3133 #define MAX_ARGS 16
3134
3135 static int is_valid_option(const char *c, const char *typestr)
3136 {
3137 char option[3];
3138
3139 option[0] = '-';
3140 option[1] = *c;
3141 option[2] = '\0';
3142
3143 typestr = strstr(typestr, option);
3144 return (typestr != NULL);
3145 }
3146
3147 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3148 {
3149 const mon_cmd_t *cmd;
3150
3151 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3152 if (compare_cmd(cmdname, cmd->name)) {
3153 return cmd;
3154 }
3155 }
3156
3157 return NULL;
3158 }
3159
3160 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3161 const char *cmdline,
3162 QDict *qdict)
3163 {
3164 const char *p, *typestr;
3165 int c;
3166 const mon_cmd_t *cmd;
3167 char cmdname[256];
3168 char buf[1024];
3169 char *key;
3170
3171 #ifdef DEBUG
3172 monitor_printf(mon, "command='%s'\n", cmdline);
3173 #endif
3174
3175 /* extract the command name */
3176 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3177 if (!p)
3178 return NULL;
3179
3180 cmd = monitor_find_command(cmdname);
3181 if (!cmd) {
3182 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3183 return NULL;
3184 }
3185
3186 /* parse the parameters */
3187 typestr = cmd->args_type;
3188 for(;;) {
3189 typestr = key_get_info(typestr, &key);
3190 if (!typestr)
3191 break;
3192 c = *typestr;
3193 typestr++;
3194 switch(c) {
3195 case 'F':
3196 case 'B':
3197 case 's':
3198 {
3199 int ret;
3200
3201 while (qemu_isspace(*p))
3202 p++;
3203 if (*typestr == '?') {
3204 typestr++;
3205 if (*p == '\0') {
3206 /* no optional string: NULL argument */
3207 break;
3208 }
3209 }
3210 ret = get_str(buf, sizeof(buf), &p);
3211 if (ret < 0) {
3212 switch(c) {
3213 case 'F':
3214 monitor_printf(mon, "%s: filename expected\n",
3215 cmdname);
3216 break;
3217 case 'B':
3218 monitor_printf(mon, "%s: block device name expected\n",
3219 cmdname);
3220 break;
3221 default:
3222 monitor_printf(mon, "%s: string expected\n", cmdname);
3223 break;
3224 }
3225 goto fail;
3226 }
3227 qdict_put(qdict, key, qstring_from_str(buf));
3228 }
3229 break;
3230 case '/':
3231 {
3232 int count, format, size;
3233
3234 while (qemu_isspace(*p))
3235 p++;
3236 if (*p == '/') {
3237 /* format found */
3238 p++;
3239 count = 1;
3240 if (qemu_isdigit(*p)) {
3241 count = 0;
3242 while (qemu_isdigit(*p)) {
3243 count = count * 10 + (*p - '0');
3244 p++;
3245 }
3246 }
3247 size = -1;
3248 format = -1;
3249 for(;;) {
3250 switch(*p) {
3251 case 'o':
3252 case 'd':
3253 case 'u':
3254 case 'x':
3255 case 'i':
3256 case 'c':
3257 format = *p++;
3258 break;
3259 case 'b':
3260 size = 1;
3261 p++;
3262 break;
3263 case 'h':
3264 size = 2;
3265 p++;
3266 break;
3267 case 'w':
3268 size = 4;
3269 p++;
3270 break;
3271 case 'g':
3272 case 'L':
3273 size = 8;
3274 p++;
3275 break;
3276 default:
3277 goto next;
3278 }
3279 }
3280 next:
3281 if (*p != '\0' && !qemu_isspace(*p)) {
3282 monitor_printf(mon, "invalid char in format: '%c'\n",
3283 *p);
3284 goto fail;
3285 }
3286 if (format < 0)
3287 format = default_fmt_format;
3288 if (format != 'i') {
3289 /* for 'i', not specifying a size gives -1 as size */
3290 if (size < 0)
3291 size = default_fmt_size;
3292 default_fmt_size = size;
3293 }
3294 default_fmt_format = format;
3295 } else {
3296 count = 1;
3297 format = default_fmt_format;
3298 if (format != 'i') {
3299 size = default_fmt_size;
3300 } else {
3301 size = -1;
3302 }
3303 }
3304 qdict_put(qdict, "count", qint_from_int(count));
3305 qdict_put(qdict, "format", qint_from_int(format));
3306 qdict_put(qdict, "size", qint_from_int(size));
3307 }
3308 break;
3309 case 'i':
3310 case 'l':
3311 {
3312 int64_t val;
3313
3314 while (qemu_isspace(*p))
3315 p++;
3316 if (*typestr == '?' || *typestr == '.') {
3317 if (*typestr == '?') {
3318 if (*p == '\0') {
3319 typestr++;
3320 break;
3321 }
3322 } else {
3323 if (*p == '.') {
3324 p++;
3325 while (qemu_isspace(*p))
3326 p++;
3327 } else {
3328 typestr++;
3329 break;
3330 }
3331 }
3332 typestr++;
3333 }
3334 if (get_expr(mon, &val, &p))
3335 goto fail;
3336 /* Check if 'i' is greater than 32-bit */
3337 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3338 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3339 monitor_printf(mon, "integer is for 32-bit values\n");
3340 goto fail;
3341 }
3342 qdict_put(qdict, key, qint_from_int(val));
3343 }
3344 break;
3345 case '-':
3346 {
3347 const char *tmp = p;
3348 int has_option, skip_key = 0;
3349 /* option */
3350
3351 c = *typestr++;
3352 if (c == '\0')
3353 goto bad_type;
3354 while (qemu_isspace(*p))
3355 p++;
3356 has_option = 0;
3357 if (*p == '-') {
3358 p++;
3359 if(c != *p) {
3360 if(!is_valid_option(p, typestr)) {
3361
3362 monitor_printf(mon, "%s: unsupported option -%c\n",
3363 cmdname, *p);
3364 goto fail;
3365 } else {
3366 skip_key = 1;
3367 }
3368 }
3369 if(skip_key) {
3370 p = tmp;
3371 } else {
3372 p++;
3373 has_option = 1;
3374 }
3375 }
3376 qdict_put(qdict, key, qint_from_int(has_option));
3377 }
3378 break;
3379 default:
3380 bad_type:
3381 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3382 goto fail;
3383 }
3384 qemu_free(key);
3385 key = NULL;
3386 }
3387 /* check that all arguments were parsed */
3388 while (qemu_isspace(*p))
3389 p++;
3390 if (*p != '\0') {
3391 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3392 cmdname);
3393 goto fail;
3394 }
3395
3396 return cmd;
3397
3398 fail:
3399 qemu_free(key);
3400 return NULL;
3401 }
3402
3403 static void monitor_print_error(Monitor *mon)
3404 {
3405 qerror_print(mon->error);
3406 QDECREF(mon->error);
3407 mon->error = NULL;
3408 }
3409
3410 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3411 const QDict *params)
3412 {
3413 QObject *data = NULL;
3414
3415 cmd->mhandler.cmd_new(mon, params, &data);
3416
3417 if (monitor_ctrl_mode(mon)) {
3418 /* Monitor Protocol */
3419 monitor_protocol_emitter(mon, data);
3420 } else {
3421 /* User Protocol */
3422 if (data)
3423 cmd->user_print(mon, data);
3424 }
3425
3426 qobject_decref(data);
3427 }
3428
3429 static void handle_user_command(Monitor *mon, const char *cmdline)
3430 {
3431 QDict *qdict;
3432 const mon_cmd_t *cmd;
3433
3434 qdict = qdict_new();
3435
3436 cmd = monitor_parse_command(mon, cmdline, qdict);
3437 if (!cmd)
3438 goto out;
3439
3440 qemu_errors_to_mon(mon);
3441
3442 if (monitor_handler_ported(cmd)) {
3443 monitor_call_handler(mon, cmd, qdict);
3444 } else {
3445 cmd->mhandler.cmd(mon, qdict);
3446 }
3447
3448 if (monitor_has_error(mon))
3449 monitor_print_error(mon);
3450
3451 qemu_errors_to_previous();
3452
3453 out:
3454 QDECREF(qdict);
3455 }
3456
3457 static void cmd_completion(const char *name, const char *list)
3458 {
3459 const char *p, *pstart;
3460 char cmd[128];
3461 int len;
3462
3463 p = list;
3464 for(;;) {
3465 pstart = p;
3466 p = strchr(p, '|');
3467 if (!p)
3468 p = pstart + strlen(pstart);
3469 len = p - pstart;
3470 if (len > sizeof(cmd) - 2)
3471 len = sizeof(cmd) - 2;
3472 memcpy(cmd, pstart, len);
3473 cmd[len] = '\0';
3474 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3475 readline_add_completion(cur_mon->rs, cmd);
3476 }
3477 if (*p == '\0')
3478 break;
3479 p++;
3480 }
3481 }
3482
3483 static void file_completion(const char *input)
3484 {
3485 DIR *ffs;
3486 struct dirent *d;
3487 char path[1024];
3488 char file[1024], file_prefix[1024];
3489 int input_path_len;
3490 const char *p;
3491
3492 p = strrchr(input, '/');
3493 if (!p) {
3494 input_path_len = 0;
3495 pstrcpy(file_prefix, sizeof(file_prefix), input);
3496 pstrcpy(path, sizeof(path), ".");
3497 } else {
3498 input_path_len = p - input + 1;
3499 memcpy(path, input, input_path_len);
3500 if (input_path_len > sizeof(path) - 1)
3501 input_path_len = sizeof(path) - 1;
3502 path[input_path_len] = '\0';
3503 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3504 }
3505 #ifdef DEBUG_COMPLETION
3506 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3507 input, path, file_prefix);
3508 #endif
3509 ffs = opendir(path);
3510 if (!ffs)
3511 return;
3512 for(;;) {
3513 struct stat sb;
3514 d = readdir(ffs);
3515 if (!d)
3516 break;
3517 if (strstart(d->d_name, file_prefix, NULL)) {
3518 memcpy(file, input, input_path_len);
3519 if (input_path_len < sizeof(file))
3520 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3521 d->d_name);
3522 /* stat the file to find out if it's a directory.
3523 * In that case add a slash to speed up typing long paths
3524 */
3525 stat(file, &sb);
3526 if(S_ISDIR(sb.st_mode))
3527 pstrcat(file, sizeof(file), "/");
3528 readline_add_completion(cur_mon->rs, file);
3529 }
3530 }
3531 closedir(ffs);
3532 }
3533
3534 static void block_completion_it(void *opaque, BlockDriverState *bs)
3535 {
3536 const char *name = bdrv_get_device_name(bs);
3537 const char *input = opaque;
3538
3539 if (input[0] == '\0' ||
3540 !strncmp(name, (char *)input, strlen(input))) {
3541 readline_add_completion(cur_mon->rs, name);
3542 }
3543 }
3544
3545 /* NOTE: this parser is an approximate form of the real command parser */
3546 static void parse_cmdline(const char *cmdline,
3547 int *pnb_args, char **args)
3548 {
3549 const char *p;
3550 int nb_args, ret;
3551 char buf[1024];
3552
3553 p = cmdline;
3554 nb_args = 0;
3555 for(;;) {
3556 while (qemu_isspace(*p))
3557 p++;
3558 if (*p == '\0')
3559 break;
3560 if (nb_args >= MAX_ARGS)
3561 break;
3562 ret = get_str(buf, sizeof(buf), &p);
3563 args[nb_args] = qemu_strdup(buf);
3564 nb_args++;
3565 if (ret < 0)
3566 break;
3567 }
3568 *pnb_args = nb_args;
3569 }
3570
3571 static const char *next_arg_type(const char *typestr)
3572 {
3573 const char *p = strchr(typestr, ':');
3574 return (p != NULL ? ++p : typestr);
3575 }
3576
3577 static void monitor_find_completion(const char *cmdline)
3578 {
3579 const char *cmdname;
3580 char *args[MAX_ARGS];
3581 int nb_args, i, len;
3582 const char *ptype, *str;
3583 const mon_cmd_t *cmd;
3584 const KeyDef *key;
3585
3586 parse_cmdline(cmdline, &nb_args, args);
3587 #ifdef DEBUG_COMPLETION
3588 for(i = 0; i < nb_args; i++) {
3589 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3590 }
3591 #endif
3592
3593 /* if the line ends with a space, it means we want to complete the
3594 next arg */
3595 len = strlen(cmdline);
3596 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3597 if (nb_args >= MAX_ARGS)
3598 return;
3599 args[nb_args++] = qemu_strdup("");
3600 }
3601 if (nb_args <= 1) {
3602 /* command completion */
3603 if (nb_args == 0)
3604 cmdname = "";
3605 else
3606 cmdname = args[0];
3607 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3608 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3609 cmd_completion(cmdname, cmd->name);
3610 }
3611 } else {
3612 /* find the command */
3613 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3614 if (compare_cmd(args[0], cmd->name))
3615 goto found;
3616 }
3617 return;
3618 found:
3619 ptype = next_arg_type(cmd->args_type);
3620 for(i = 0; i < nb_args - 2; i++) {
3621 if (*ptype != '\0') {
3622 ptype = next_arg_type(ptype);
3623 while (*ptype == '?')
3624 ptype = next_arg_type(ptype);
3625 }
3626 }
3627 str = args[nb_args - 1];
3628 if (*ptype == '-' && ptype[1] != '\0') {
3629 ptype += 2;
3630 }
3631 switch(*ptype) {
3632 case 'F':
3633 /* file completion */
3634 readline_set_completion_index(cur_mon->rs, strlen(str));
3635 file_completion(str);
3636 break;
3637 case 'B':
3638 /* block device name completion */
3639 readline_set_completion_index(cur_mon->rs, strlen(str));
3640 bdrv_iterate(block_completion_it, (void *)str);
3641 break;
3642 case 's':
3643 /* XXX: more generic ? */
3644 if (!strcmp(cmd->name, "info")) {
3645 readline_set_completion_index(cur_mon->rs, strlen(str));
3646 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3647 cmd_completion(str, cmd->name);
3648 }
3649 } else if (!strcmp(cmd->name, "sendkey")) {
3650 char *sep = strrchr(str, '-');
3651 if (sep)
3652 str = sep + 1;
3653 readline_set_completion_index(cur_mon->rs, strlen(str));
3654 for(key = key_defs; key->name != NULL; key++) {
3655 cmd_completion(str, key->name);
3656 }
3657 } else if (!strcmp(cmd->name, "help|?")) {
3658 readline_set_completion_index(cur_mon->rs, strlen(str));
3659 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3660 cmd_completion(str, cmd->name);
3661 }
3662 }
3663 break;
3664 default:
3665 break;
3666 }
3667 }
3668 for(i = 0; i < nb_args; i++)
3669 qemu_free(args[i]);
3670 }
3671
3672 static int monitor_can_read(void *opaque)
3673 {
3674 Monitor *mon = opaque;
3675
3676 return (mon->suspend_cnt == 0) ? 128 : 0;
3677 }
3678
3679 typedef struct CmdArgs {
3680 QString *name;
3681 int type;
3682 int flag;
3683 int optional;
3684 } CmdArgs;
3685
3686 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3687 {
3688 if (!cmd_args->optional) {
3689 qemu_error_new(QERR_MISSING_PARAMETER, name);
3690 return -1;
3691 }
3692
3693 if (cmd_args->type == '-') {
3694 /* handlers expect a value, they need to be changed */
3695 qdict_put(args, name, qint_from_int(0));
3696 }
3697
3698 return 0;
3699 }
3700
3701 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3702 {
3703 QObject *value;
3704 const char *name;
3705
3706 name = qstring_get_str(cmd_args->name);
3707
3708 if (!args) {
3709 return check_opt(cmd_args, name, args);
3710 }
3711
3712 value = qdict_get(args, name);
3713 if (!value) {
3714 return check_opt(cmd_args, name, args);
3715 }
3716
3717 switch (cmd_args->type) {
3718 case 'F':
3719 case 'B':
3720 case 's':
3721 if (qobject_type(value) != QTYPE_QSTRING) {
3722 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3723 return -1;
3724 }
3725 break;
3726 case '/': {
3727 int i;
3728 const char *keys[] = { "count", "format", "size", NULL };
3729
3730 for (i = 0; keys[i]; i++) {
3731 QObject *obj = qdict_get(args, keys[i]);
3732 if (!obj) {
3733 qemu_error_new(QERR_MISSING_PARAMETER, name);
3734 return -1;
3735 }
3736 if (qobject_type(obj) != QTYPE_QINT) {
3737 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3738 return -1;
3739 }
3740 }
3741 break;
3742 }
3743 case 'i':
3744 case 'l':
3745 if (qobject_type(value) != QTYPE_QINT) {
3746 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3747 return -1;
3748 }
3749 break;
3750 case '-':
3751 if (qobject_type(value) != QTYPE_QINT &&
3752 qobject_type(value) != QTYPE_QBOOL) {
3753 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3754 return -1;
3755 }
3756 if (qobject_type(value) == QTYPE_QBOOL) {
3757 /* handlers expect a QInt, they need to be changed */
3758 qdict_put(args, name,
3759 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3760 }
3761 break;
3762 default:
3763 /* impossible */
3764 abort();
3765 }
3766
3767 return 0;
3768 }
3769
3770 static void cmd_args_init(CmdArgs *cmd_args)
3771 {
3772 cmd_args->name = qstring_new();
3773 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3774 }
3775
3776 /*
3777 * This is not trivial, we have to parse Monitor command's argument
3778 * type syntax to be able to check the arguments provided by clients.
3779 *
3780 * In the near future we will be using an array for that and will be
3781 * able to drop all this parsing...
3782 */
3783 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3784 {
3785 int err;
3786 const char *p;
3787 CmdArgs cmd_args;
3788
3789 if (cmd->args_type == NULL) {
3790 return (qdict_size(args) == 0 ? 0 : -1);
3791 }
3792
3793 err = 0;
3794 cmd_args_init(&cmd_args);
3795
3796 for (p = cmd->args_type;; p++) {
3797 if (*p == ':') {
3798 cmd_args.type = *++p;
3799 p++;
3800 if (cmd_args.type == '-') {
3801 cmd_args.flag = *p++;
3802 cmd_args.optional = 1;
3803 } else if (*p == '?') {
3804 cmd_args.optional = 1;
3805 p++;
3806 }
3807
3808 assert(*p == ',' || *p == '\0');
3809 err = check_arg(&cmd_args, args);
3810
3811 QDECREF(cmd_args.name);
3812 cmd_args_init(&cmd_args);
3813
3814 if (err < 0) {
3815 break;
3816 }
3817 } else {
3818 qstring_append_chr(cmd_args.name, *p);
3819 }
3820
3821 if (*p == '\0') {
3822 break;
3823 }
3824 }
3825
3826 QDECREF(cmd_args.name);
3827 return err;
3828 }
3829
3830 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3831 {
3832 int err;
3833 QObject *obj;
3834 QDict *input, *args;
3835 const mon_cmd_t *cmd;
3836 Monitor *mon = cur_mon;
3837 const char *cmd_name, *info_item;
3838
3839 args = NULL;
3840 qemu_errors_to_mon(mon);
3841
3842 obj = json_parser_parse(tokens, NULL);
3843 if (!obj) {
3844 // FIXME: should be triggered in json_parser_parse()
3845 qemu_error_new(QERR_JSON_PARSING);
3846 goto err_out;
3847 } else if (qobject_type(obj) != QTYPE_QDICT) {
3848 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3849 qobject_decref(obj);
3850 goto err_out;
3851 }
3852
3853 input = qobject_to_qdict(obj);
3854
3855 mon->mc->id = qdict_get(input, "id");
3856 qobject_incref(mon->mc->id);
3857
3858 obj = qdict_get(input, "execute");
3859 if (!obj) {
3860 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3861 goto err_input;
3862 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3863 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3864 goto err_input;
3865 }
3866
3867 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3868
3869 /*
3870 * XXX: We need this special case until we get info handlers
3871 * converted into 'query-' commands
3872 */
3873 if (compare_cmd(cmd_name, "info")) {
3874 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3875 goto err_input;
3876 } else if (strstart(cmd_name, "query-", &info_item)) {
3877 cmd = monitor_find_command("info");
3878 qdict_put_obj(input, "arguments",
3879 qobject_from_jsonf("{ 'item': %s }", info_item));
3880 } else {
3881 cmd = monitor_find_command(cmd_name);
3882 if (!cmd) {
3883 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3884 goto err_input;
3885 }
3886 }
3887
3888 obj = qdict_get(input, "arguments");
3889 if (!obj) {
3890 args = qdict_new();
3891 } else {
3892 args = qobject_to_qdict(obj);
3893 QINCREF(args);
3894 }
3895
3896 QDECREF(input);
3897
3898 err = monitor_check_qmp_args(cmd, args);
3899 if (err < 0) {
3900 goto err_out;
3901 }
3902
3903 monitor_call_handler(mon, cmd, args);
3904 goto out;
3905
3906 err_input:
3907 QDECREF(input);
3908 err_out:
3909 monitor_protocol_emitter(mon, NULL);
3910 out:
3911 QDECREF(args);
3912 qemu_errors_to_previous();
3913 }
3914
3915 /**
3916 * monitor_control_read(): Read and handle QMP input
3917 */
3918 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3919 {
3920 Monitor *old_mon = cur_mon;
3921
3922 cur_mon = opaque;
3923
3924 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3925
3926 cur_mon = old_mon;
3927 }
3928
3929 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3930 {
3931 Monitor *old_mon = cur_mon;
3932 int i;
3933
3934 cur_mon = opaque;
3935
3936 if (cur_mon->rs) {
3937 for (i = 0; i < size; i++)
3938 readline_handle_byte(cur_mon->rs, buf[i]);
3939 } else {
3940 if (size == 0 || buf[size - 1] != 0)
3941 monitor_printf(cur_mon, "corrupted command\n");
3942 else
3943 handle_user_command(cur_mon, (char *)buf);
3944 }
3945
3946 cur_mon = old_mon;
3947 }
3948
3949 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3950 {
3951 monitor_suspend(mon);
3952 handle_user_command(mon, cmdline);
3953 monitor_resume(mon);
3954 }
3955
3956 int monitor_suspend(Monitor *mon)
3957 {
3958 if (!mon->rs)
3959 return -ENOTTY;
3960 mon->suspend_cnt++;
3961 return 0;
3962 }
3963
3964 void monitor_resume(Monitor *mon)
3965 {
3966 if (!mon->rs)
3967 return;
3968 if (--mon->suspend_cnt == 0)
3969 readline_show_prompt(mon->rs);
3970 }
3971
3972 /**
3973 * monitor_control_event(): Print QMP gretting
3974 */
3975 static void monitor_control_event(void *opaque, int event)
3976 {
3977 if (event == CHR_EVENT_OPENED) {
3978 QObject *data;
3979 Monitor *mon = opaque;
3980
3981 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3982
3983 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3984 assert(data != NULL);
3985
3986 monitor_json_emitter(mon, data);
3987 qobject_decref(data);
3988 }
3989 }
3990
3991 static void monitor_event(void *opaque, int event)
3992 {
3993 Monitor *mon = opaque;
3994
3995 switch (event) {
3996 case CHR_EVENT_MUX_IN:
3997 mon->mux_out = 0;
3998 if (mon->reset_seen) {
3999 readline_restart(mon->rs);
4000 monitor_resume(mon);
4001 monitor_flush(mon);
4002 } else {
4003 mon->suspend_cnt = 0;
4004 }
4005 break;
4006
4007 case CHR_EVENT_MUX_OUT:
4008 if (mon->reset_seen) {
4009 if (mon->suspend_cnt == 0) {
4010 monitor_printf(mon, "\n");
4011 }
4012 monitor_flush(mon);
4013 monitor_suspend(mon);
4014 } else {
4015 mon->suspend_cnt++;
4016 }
4017 mon->mux_out = 1;
4018 break;
4019
4020 case CHR_EVENT_OPENED:
4021 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4022 "information\n", QEMU_VERSION);
4023 if (!mon->mux_out) {
4024 readline_show_prompt(mon->rs);
4025 }
4026 mon->reset_seen = 1;
4027 break;
4028 }
4029 }
4030
4031
4032 /*
4033 * Local variables:
4034 * c-indent-level: 4
4035 * c-basic-offset: 4
4036 * tab-width: 8
4037 * End:
4038 */
4039
4040 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4041 {
4042 const char *dev;
4043
4044 if (strstart(cmdline, "control,", &dev)) {
4045 if (strstart(dev, "vc", NULL)) {
4046 fprintf(stderr, "qemu: control mode is for low-level interaction ");
4047 fprintf(stderr, "cannot be used with device 'vc'\n");
4048 exit(1);
4049 }
4050 *flags &= ~MONITOR_USE_READLINE;
4051 *flags |= MONITOR_USE_CONTROL;
4052 return dev;
4053 }
4054
4055 return cmdline;
4056 }
4057
4058 void monitor_init(CharDriverState *chr, int flags)
4059 {
4060 static int is_first_init = 1;
4061 Monitor *mon;
4062
4063 if (is_first_init) {
4064 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4065 is_first_init = 0;
4066 }
4067
4068 mon = qemu_mallocz(sizeof(*mon));
4069
4070 mon->chr = chr;
4071 mon->flags = flags;
4072 if (flags & MONITOR_USE_READLINE) {
4073 mon->rs = readline_init(mon, monitor_find_completion);
4074 monitor_read_command(mon, 0);
4075 }
4076
4077 if (monitor_ctrl_mode(mon)) {
4078 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4079 /* Control mode requires special handlers */
4080 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4081 monitor_control_event, mon);
4082 } else {
4083 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4084 monitor_event, mon);
4085 }
4086
4087 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4088 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4089 cur_mon = mon;
4090 }
4091
4092 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4093 {
4094 BlockDriverState *bs = opaque;
4095 int ret = 0;
4096
4097 if (bdrv_set_key(bs, password) != 0) {
4098 monitor_printf(mon, "invalid password\n");
4099 ret = -EPERM;
4100 }
4101 if (mon->password_completion_cb)
4102 mon->password_completion_cb(mon->password_opaque, ret);
4103
4104 monitor_read_command(mon, 1);
4105 }
4106
4107 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4108 BlockDriverCompletionFunc *completion_cb,
4109 void *opaque)
4110 {
4111 int err;
4112
4113 if (!bdrv_key_required(bs)) {
4114 if (completion_cb)
4115 completion_cb(opaque, 0);
4116 return;
4117 }
4118
4119 if (monitor_ctrl_mode(mon)) {
4120 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4121 return;
4122 }
4123
4124 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4125 bdrv_get_encrypted_filename(bs));
4126
4127 mon->password_completion_cb = completion_cb;
4128 mon->password_opaque = opaque;
4129
4130 err = monitor_read_password(mon, bdrv_password_cb, bs);
4131
4132 if (err && completion_cb)
4133 completion_cb(opaque, err);
4134 }
4135
4136 typedef struct QemuErrorSink QemuErrorSink;
4137 struct QemuErrorSink {
4138 enum {
4139 ERR_SINK_FILE,
4140 ERR_SINK_MONITOR,
4141 } dest;
4142 union {
4143 FILE *fp;
4144 Monitor *mon;
4145 };
4146 QemuErrorSink *previous;
4147 };
4148
4149 static QemuErrorSink *qemu_error_sink;
4150
4151 void qemu_errors_to_file(FILE *fp)
4152 {
4153 QemuErrorSink *sink;
4154
4155 sink = qemu_mallocz(sizeof(*sink));
4156 sink->dest = ERR_SINK_FILE;
4157 sink->fp = fp;
4158 sink->previous = qemu_error_sink;
4159 qemu_error_sink = sink;
4160 }
4161
4162 void qemu_errors_to_mon(Monitor *mon)
4163 {
4164 QemuErrorSink *sink;
4165
4166 sink = qemu_mallocz(sizeof(*sink));
4167 sink->dest = ERR_SINK_MONITOR;
4168 sink->mon = mon;
4169 sink->previous = qemu_error_sink;
4170 qemu_error_sink = sink;
4171 }
4172
4173 void qemu_errors_to_previous(void)
4174 {
4175 QemuErrorSink *sink;
4176
4177 assert(qemu_error_sink != NULL);
4178 sink = qemu_error_sink;
4179 qemu_error_sink = sink->previous;
4180 qemu_free(sink);
4181 }
4182
4183 void qemu_error(const char *fmt, ...)
4184 {
4185 va_list args;
4186
4187 assert(qemu_error_sink != NULL);
4188 switch (qemu_error_sink->dest) {
4189 case ERR_SINK_FILE:
4190 va_start(args, fmt);
4191 vfprintf(qemu_error_sink->fp, fmt, args);
4192 va_end(args);
4193 break;
4194 case ERR_SINK_MONITOR:
4195 va_start(args, fmt);
4196 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4197 va_end(args);
4198 break;
4199 }
4200 }
4201
4202 void qemu_error_internal(const char *file, int linenr, const char *func,
4203 const char *fmt, ...)
4204 {
4205 va_list va;
4206 QError *qerror;
4207
4208 assert(qemu_error_sink != NULL);
4209
4210 va_start(va, fmt);
4211 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4212 va_end(va);
4213
4214 switch (qemu_error_sink->dest) {
4215 case ERR_SINK_FILE:
4216 qerror_print(qerror);
4217 QDECREF(qerror);
4218 break;
4219 case ERR_SINK_MONITOR:
4220 assert(qemu_error_sink->mon->error == NULL);
4221 qemu_error_sink->mon->error = qerror;
4222 break;
4223 }
4224 }
Qemu copy for testing