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QMP: Drop wrong assert()
[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 if (!mon->rs)
144 return;
145
146 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
147 if (show_prompt)
148 readline_show_prompt(mon->rs);
149 }
150
151 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
152 void *opaque)
153 {
154 if (monitor_ctrl_mode(mon)) {
155 qemu_error_new(QERR_MISSING_PARAMETER, "password");
156 return -EINVAL;
157 } else if (mon->rs) {
158 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
159 /* prompt is printed on return from the command handler */
160 return 0;
161 } else {
162 monitor_printf(mon, "terminal does not support password prompting\n");
163 return -ENOTTY;
164 }
165 }
166
167 void monitor_flush(Monitor *mon)
168 {
169 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
170 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
171 mon->outbuf_index = 0;
172 }
173 }
174
175 /* flush at every end of line or if the buffer is full */
176 static void monitor_puts(Monitor *mon, const char *str)
177 {
178 char c;
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)
196 return;
197
198 if (mon->mc && !mon->mc->print_enabled) {
199 qemu_error_new(QERR_UNDEFINED_ERROR);
200 } else {
201 char buf[4096];
202 vsnprintf(buf, sizeof(buf), fmt, ap);
203 monitor_puts(mon, buf);
204 }
205 }
206
207 void monitor_printf(Monitor *mon, const char *fmt, ...)
208 {
209 va_list ap;
210 va_start(ap, fmt);
211 monitor_vprintf(mon, fmt, ap);
212 va_end(ap);
213 }
214
215 void monitor_print_filename(Monitor *mon, const char *filename)
216 {
217 int i;
218
219 for (i = 0; filename[i]; i++) {
220 switch (filename[i]) {
221 case ' ':
222 case '"':
223 case '\\':
224 monitor_printf(mon, "\\%c", filename[i]);
225 break;
226 case '\t':
227 monitor_printf(mon, "\\t");
228 break;
229 case '\r':
230 monitor_printf(mon, "\\r");
231 break;
232 case '\n':
233 monitor_printf(mon, "\\n");
234 break;
235 default:
236 monitor_printf(mon, "%c", filename[i]);
237 break;
238 }
239 }
240 }
241
242 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
243 {
244 va_list ap;
245 va_start(ap, fmt);
246 monitor_vprintf((Monitor *)stream, fmt, ap);
247 va_end(ap);
248 return 0;
249 }
250
251 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
252
253 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
254 {
255 return cmd->user_print != NULL;
256 }
257
258 static inline int monitor_has_error(const Monitor *mon)
259 {
260 return mon->error != NULL;
261 }
262
263 static void monitor_json_emitter(Monitor *mon, const QObject *data)
264 {
265 QString *json;
266
267 json = qobject_to_json(data);
268 assert(json != NULL);
269
270 mon->mc->print_enabled = 1;
271 monitor_printf(mon, "%s\n", qstring_get_str(json));
272 mon->mc->print_enabled = 0;
273
274 QDECREF(json);
275 }
276
277 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
278 {
279 QDict *qmp;
280
281 qmp = qdict_new();
282
283 if (!monitor_has_error(mon)) {
284 /* success response */
285 if (data) {
286 qobject_incref(data);
287 qdict_put_obj(qmp, "return", data);
288 } else {
289 /* return an empty QDict by default */
290 qdict_put(qmp, "return", qdict_new());
291 }
292 } else {
293 /* error response */
294 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
295 qdict_put(qmp, "error", mon->error->error);
296 QINCREF(mon->error->error);
297 QDECREF(mon->error);
298 mon->error = NULL;
299 }
300
301 if (mon->mc->id) {
302 qdict_put_obj(qmp, "id", mon->mc->id);
303 mon->mc->id = NULL;
304 }
305
306 monitor_json_emitter(mon, QOBJECT(qmp));
307 QDECREF(qmp);
308 }
309
310 static void timestamp_put(QDict *qdict)
311 {
312 int err;
313 QObject *obj;
314 qemu_timeval tv;
315
316 err = qemu_gettimeofday(&tv);
317 if (err < 0)
318 return;
319
320 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
321 "'microseconds': %" PRId64 " }",
322 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
323 assert(obj != NULL);
324
325 qdict_put_obj(qdict, "timestamp", obj);
326 }
327
328 /**
329 * monitor_protocol_event(): Generate a Monitor event
330 *
331 * Event-specific data can be emitted through the (optional) 'data' parameter.
332 */
333 void monitor_protocol_event(MonitorEvent event, QObject *data)
334 {
335 QDict *qmp;
336 const char *event_name;
337 Monitor *mon = cur_mon;
338
339 assert(event < QEVENT_MAX);
340
341 if (!monitor_ctrl_mode(mon))
342 return;
343
344 switch (event) {
345 case QEVENT_DEBUG:
346 event_name = "DEBUG";
347 break;
348 case QEVENT_SHUTDOWN:
349 event_name = "SHUTDOWN";
350 break;
351 case QEVENT_RESET:
352 event_name = "RESET";
353 break;
354 case QEVENT_POWERDOWN:
355 event_name = "POWERDOWN";
356 break;
357 case QEVENT_STOP:
358 event_name = "STOP";
359 break;
360 default:
361 abort();
362 break;
363 }
364
365 qmp = qdict_new();
366 timestamp_put(qmp);
367 qdict_put(qmp, "event", qstring_from_str(event_name));
368 if (data)
369 qdict_put_obj(qmp, "data", data);
370
371 monitor_json_emitter(mon, QOBJECT(qmp));
372 QDECREF(qmp);
373 }
374
375 static int compare_cmd(const char *name, const char *list)
376 {
377 const char *p, *pstart;
378 int len;
379 len = strlen(name);
380 p = list;
381 for(;;) {
382 pstart = p;
383 p = strchr(p, '|');
384 if (!p)
385 p = pstart + strlen(pstart);
386 if ((p - pstart) == len && !memcmp(pstart, name, len))
387 return 1;
388 if (*p == '\0')
389 break;
390 p++;
391 }
392 return 0;
393 }
394
395 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
396 const char *prefix, const char *name)
397 {
398 const mon_cmd_t *cmd;
399
400 for(cmd = cmds; cmd->name != NULL; cmd++) {
401 if (!name || !strcmp(name, cmd->name))
402 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
403 cmd->params, cmd->help);
404 }
405 }
406
407 static void help_cmd(Monitor *mon, const char *name)
408 {
409 if (name && !strcmp(name, "info")) {
410 help_cmd_dump(mon, info_cmds, "info ", NULL);
411 } else {
412 help_cmd_dump(mon, mon_cmds, "", name);
413 if (name && !strcmp(name, "log")) {
414 const CPULogItem *item;
415 monitor_printf(mon, "Log items (comma separated):\n");
416 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
417 for(item = cpu_log_items; item->mask != 0; item++) {
418 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
419 }
420 }
421 }
422 }
423
424 static void do_help_cmd(Monitor *mon, const QDict *qdict)
425 {
426 help_cmd(mon, qdict_get_try_str(qdict, "name"));
427 }
428
429 static void do_commit(Monitor *mon, const QDict *qdict)
430 {
431 int all_devices;
432 DriveInfo *dinfo;
433 const char *device = qdict_get_str(qdict, "device");
434
435 all_devices = !strcmp(device, "all");
436 QTAILQ_FOREACH(dinfo, &drives, next) {
437 if (!all_devices)
438 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
439 continue;
440 bdrv_commit(dinfo->bdrv);
441 }
442 }
443
444 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
445 {
446 const mon_cmd_t *cmd;
447 const char *item = qdict_get_try_str(qdict, "item");
448
449 if (!item) {
450 assert(monitor_ctrl_mode(mon) == 0);
451 goto help;
452 }
453
454 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
455 if (compare_cmd(item, cmd->name))
456 break;
457 }
458
459 if (cmd->name == NULL) {
460 if (monitor_ctrl_mode(mon)) {
461 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
462 return;
463 }
464 goto help;
465 }
466
467 if (monitor_handler_ported(cmd)) {
468 cmd->mhandler.info_new(mon, ret_data);
469
470 if (!monitor_ctrl_mode(mon)) {
471 /*
472 * User Protocol function is called here, Monitor Protocol is
473 * handled by monitor_call_handler()
474 */
475 if (*ret_data)
476 cmd->user_print(mon, *ret_data);
477 }
478 } else {
479 if (monitor_ctrl_mode(mon)) {
480 /* handler not converted yet */
481 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
482 } else {
483 cmd->mhandler.info(mon);
484 }
485 }
486
487 return;
488
489 help:
490 help_cmd(mon, "info");
491 }
492
493 static void do_info_version_print(Monitor *mon, const QObject *data)
494 {
495 QDict *qdict;
496
497 qdict = qobject_to_qdict(data);
498
499 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
500 qdict_get_str(qdict, "package"));
501 }
502
503 /**
504 * do_info_version(): Show QEMU version
505 *
506 * Return a QDict with the following information:
507 *
508 * - "qemu": QEMU's version
509 * - "package": package's version
510 *
511 * Example:
512 *
513 * { "qemu": "0.11.50", "package": "" }
514 */
515 static void do_info_version(Monitor *mon, QObject **ret_data)
516 {
517 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
518 QEMU_VERSION, QEMU_PKGVERSION);
519 }
520
521 static void do_info_name_print(Monitor *mon, const QObject *data)
522 {
523 QDict *qdict;
524
525 qdict = qobject_to_qdict(data);
526 if (qdict_size(qdict) == 0) {
527 return;
528 }
529
530 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
531 }
532
533 /**
534 * do_info_name(): Show VM name
535 *
536 * Return a QDict with the following information:
537 *
538 * - "name": VM's name (optional)
539 *
540 * Example:
541 *
542 * { "name": "qemu-name" }
543 */
544 static void do_info_name(Monitor *mon, QObject **ret_data)
545 {
546 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
547 qobject_from_jsonf("{}");
548 }
549
550 static QObject *get_cmd_dict(const char *name)
551 {
552 const char *p;
553
554 /* Remove '|' from some commands */
555 p = strchr(name, '|');
556 if (p) {
557 p++;
558 } else {
559 p = name;
560 }
561
562 return qobject_from_jsonf("{ 'name': %s }", p);
563 }
564
565 /**
566 * do_info_commands(): List QMP available commands
567 *
568 * Each command is represented by a QDict, the returned QObject is a QList
569 * of all commands.
570 *
571 * The QDict contains:
572 *
573 * - "name": command's name
574 *
575 * Example:
576 *
577 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
578 */
579 static void do_info_commands(Monitor *mon, QObject **ret_data)
580 {
581 QList *cmd_list;
582 const mon_cmd_t *cmd;
583
584 cmd_list = qlist_new();
585
586 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
587 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
588 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
589 }
590 }
591
592 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
593 if (monitor_handler_ported(cmd)) {
594 char buf[128];
595 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
596 qlist_append_obj(cmd_list, get_cmd_dict(buf));
597 }
598 }
599
600 *ret_data = QOBJECT(cmd_list);
601 }
602
603 #if defined(TARGET_I386)
604 static void do_info_hpet_print(Monitor *mon, const QObject *data)
605 {
606 monitor_printf(mon, "HPET is %s by QEMU\n",
607 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
608 "enabled" : "disabled");
609 }
610
611 /**
612 * do_info_hpet(): Show HPET state
613 *
614 * Return a QDict with the following information:
615 *
616 * - "enabled": true if hpet if enabled, false otherwise
617 *
618 * Example:
619 *
620 * { "enabled": true }
621 */
622 static void do_info_hpet(Monitor *mon, QObject **ret_data)
623 {
624 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
625 }
626 #endif
627
628 static void do_info_uuid_print(Monitor *mon, const QObject *data)
629 {
630 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
631 }
632
633 /**
634 * do_info_uuid(): Show VM UUID
635 *
636 * Return a QDict with the following information:
637 *
638 * - "UUID": Universally Unique Identifier
639 *
640 * Example:
641 *
642 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
643 */
644 static void do_info_uuid(Monitor *mon, QObject **ret_data)
645 {
646 char uuid[64];
647
648 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
649 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
650 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
651 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
652 qemu_uuid[14], qemu_uuid[15]);
653 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
654 }
655
656 /* get the current CPU defined by the user */
657 static int mon_set_cpu(int cpu_index)
658 {
659 CPUState *env;
660
661 for(env = first_cpu; env != NULL; env = env->next_cpu) {
662 if (env->cpu_index == cpu_index) {
663 cur_mon->mon_cpu = env;
664 return 0;
665 }
666 }
667 return -1;
668 }
669
670 static CPUState *mon_get_cpu(void)
671 {
672 if (!cur_mon->mon_cpu) {
673 mon_set_cpu(0);
674 }
675 cpu_synchronize_state(cur_mon->mon_cpu);
676 return cur_mon->mon_cpu;
677 }
678
679 static void do_info_registers(Monitor *mon)
680 {
681 CPUState *env;
682 env = mon_get_cpu();
683 if (!env)
684 return;
685 #ifdef TARGET_I386
686 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
687 X86_DUMP_FPU);
688 #else
689 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
690 0);
691 #endif
692 }
693
694 static void print_cpu_iter(QObject *obj, void *opaque)
695 {
696 QDict *cpu;
697 int active = ' ';
698 Monitor *mon = opaque;
699
700 assert(qobject_type(obj) == QTYPE_QDICT);
701 cpu = qobject_to_qdict(obj);
702
703 if (qdict_get_bool(cpu, "current")) {
704 active = '*';
705 }
706
707 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
708
709 #if defined(TARGET_I386)
710 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
711 (target_ulong) qdict_get_int(cpu, "pc"));
712 #elif defined(TARGET_PPC)
713 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
714 (target_long) qdict_get_int(cpu, "nip"));
715 #elif defined(TARGET_SPARC)
716 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
717 (target_long) qdict_get_int(cpu, "pc"));
718 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
719 (target_long) qdict_get_int(cpu, "npc"));
720 #elif defined(TARGET_MIPS)
721 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
722 (target_long) qdict_get_int(cpu, "PC"));
723 #endif
724
725 if (qdict_get_bool(cpu, "halted")) {
726 monitor_printf(mon, " (halted)");
727 }
728
729 monitor_printf(mon, "\n");
730 }
731
732 static void monitor_print_cpus(Monitor *mon, const QObject *data)
733 {
734 QList *cpu_list;
735
736 assert(qobject_type(data) == QTYPE_QLIST);
737 cpu_list = qobject_to_qlist(data);
738 qlist_iter(cpu_list, print_cpu_iter, mon);
739 }
740
741 /**
742 * do_info_cpus(): Show CPU information
743 *
744 * Return a QList. Each CPU is represented by a QDict, which contains:
745 *
746 * - "cpu": CPU index
747 * - "current": true if this is the current CPU, false otherwise
748 * - "halted": true if the cpu is halted, false otherwise
749 * - Current program counter. The key's name depends on the architecture:
750 * "pc": i386/x86)64
751 * "nip": PPC
752 * "pc" and "npc": sparc
753 * "PC": mips
754 *
755 * Example:
756 *
757 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
758 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
759 */
760 static void do_info_cpus(Monitor *mon, QObject **ret_data)
761 {
762 CPUState *env;
763 QList *cpu_list;
764
765 cpu_list = qlist_new();
766
767 /* just to set the default cpu if not already done */
768 mon_get_cpu();
769
770 for(env = first_cpu; env != NULL; env = env->next_cpu) {
771 QDict *cpu;
772 QObject *obj;
773
774 cpu_synchronize_state(env);
775
776 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
777 env->cpu_index, env == mon->mon_cpu,
778 env->halted);
779 assert(obj != NULL);
780
781 cpu = qobject_to_qdict(obj);
782
783 #if defined(TARGET_I386)
784 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
785 #elif defined(TARGET_PPC)
786 qdict_put(cpu, "nip", qint_from_int(env->nip));
787 #elif defined(TARGET_SPARC)
788 qdict_put(cpu, "pc", qint_from_int(env->pc));
789 qdict_put(cpu, "npc", qint_from_int(env->npc));
790 #elif defined(TARGET_MIPS)
791 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
792 #endif
793
794 qlist_append(cpu_list, cpu);
795 }
796
797 *ret_data = QOBJECT(cpu_list);
798 }
799
800 static void do_cpu_set(Monitor *mon, const QDict *qdict)
801 {
802 int index = qdict_get_int(qdict, "index");
803 if (mon_set_cpu(index) < 0)
804 monitor_printf(mon, "Invalid CPU index\n");
805 }
806
807 static void do_info_jit(Monitor *mon)
808 {
809 dump_exec_info((FILE *)mon, monitor_fprintf);
810 }
811
812 static void do_info_history(Monitor *mon)
813 {
814 int i;
815 const char *str;
816
817 if (!mon->rs)
818 return;
819 i = 0;
820 for(;;) {
821 str = readline_get_history(mon->rs, i);
822 if (!str)
823 break;
824 monitor_printf(mon, "%d: '%s'\n", i, str);
825 i++;
826 }
827 }
828
829 #if defined(TARGET_PPC)
830 /* XXX: not implemented in other targets */
831 static void do_info_cpu_stats(Monitor *mon)
832 {
833 CPUState *env;
834
835 env = mon_get_cpu();
836 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
837 }
838 #endif
839
840 /**
841 * do_quit(): Quit QEMU execution
842 */
843 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
844 {
845 exit(0);
846 }
847
848 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
849 {
850 if (bdrv_is_inserted(bs)) {
851 if (!force) {
852 if (!bdrv_is_removable(bs)) {
853 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
854 bdrv_get_device_name(bs));
855 return -1;
856 }
857 if (bdrv_is_locked(bs)) {
858 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
859 return -1;
860 }
861 }
862 bdrv_close(bs);
863 }
864 return 0;
865 }
866
867 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
868 {
869 BlockDriverState *bs;
870 int force = qdict_get_int(qdict, "force");
871 const char *filename = qdict_get_str(qdict, "device");
872
873 bs = bdrv_find(filename);
874 if (!bs) {
875 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
876 return;
877 }
878 eject_device(mon, bs, force);
879 }
880
881 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
882 QObject **ret_data)
883 {
884 BlockDriverState *bs;
885
886 bs = bdrv_find(qdict_get_str(qdict, "device"));
887 if (!bs) {
888 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
889 return;
890 }
891
892 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
893 qemu_error_new(QERR_INVALID_PASSWORD);
894 }
895 }
896
897 static void do_change_block(Monitor *mon, const char *device,
898 const char *filename, const char *fmt)
899 {
900 BlockDriverState *bs;
901 BlockDriver *drv = NULL;
902
903 bs = bdrv_find(device);
904 if (!bs) {
905 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
906 return;
907 }
908 if (fmt) {
909 drv = bdrv_find_whitelisted_format(fmt);
910 if (!drv) {
911 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
912 return;
913 }
914 }
915 if (eject_device(mon, bs, 0) < 0)
916 return;
917 bdrv_open2(bs, filename, 0, drv);
918 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
919 }
920
921 static void change_vnc_password(const char *password)
922 {
923 if (vnc_display_password(NULL, password) < 0)
924 qemu_error_new(QERR_SET_PASSWD_FAILED);
925
926 }
927
928 static void change_vnc_password_cb(Monitor *mon, const char *password,
929 void *opaque)
930 {
931 change_vnc_password(password);
932 monitor_read_command(mon, 1);
933 }
934
935 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
936 {
937 if (strcmp(target, "passwd") == 0 ||
938 strcmp(target, "password") == 0) {
939 if (arg) {
940 char password[9];
941 strncpy(password, arg, sizeof(password));
942 password[sizeof(password) - 1] = '\0';
943 change_vnc_password(password);
944 } else {
945 monitor_read_password(mon, change_vnc_password_cb, NULL);
946 }
947 } else {
948 if (vnc_display_open(NULL, target) < 0)
949 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
950 }
951 }
952
953 /**
954 * do_change(): Change a removable medium, or VNC configuration
955 */
956 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
957 {
958 const char *device = qdict_get_str(qdict, "device");
959 const char *target = qdict_get_str(qdict, "target");
960 const char *arg = qdict_get_try_str(qdict, "arg");
961 if (strcmp(device, "vnc") == 0) {
962 do_change_vnc(mon, target, arg);
963 } else {
964 do_change_block(mon, device, target, arg);
965 }
966 }
967
968 static void do_screen_dump(Monitor *mon, const QDict *qdict)
969 {
970 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
971 }
972
973 static void do_logfile(Monitor *mon, const QDict *qdict)
974 {
975 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
976 }
977
978 static void do_log(Monitor *mon, const QDict *qdict)
979 {
980 int mask;
981 const char *items = qdict_get_str(qdict, "items");
982
983 if (!strcmp(items, "none")) {
984 mask = 0;
985 } else {
986 mask = cpu_str_to_log_mask(items);
987 if (!mask) {
988 help_cmd(mon, "log");
989 return;
990 }
991 }
992 cpu_set_log(mask);
993 }
994
995 static void do_singlestep(Monitor *mon, const QDict *qdict)
996 {
997 const char *option = qdict_get_try_str(qdict, "option");
998 if (!option || !strcmp(option, "on")) {
999 singlestep = 1;
1000 } else if (!strcmp(option, "off")) {
1001 singlestep = 0;
1002 } else {
1003 monitor_printf(mon, "unexpected option %s\n", option);
1004 }
1005 }
1006
1007 /**
1008 * do_stop(): Stop VM execution
1009 */
1010 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1011 {
1012 vm_stop(EXCP_INTERRUPT);
1013 }
1014
1015 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1016
1017 struct bdrv_iterate_context {
1018 Monitor *mon;
1019 int err;
1020 };
1021
1022 /**
1023 * do_cont(): Resume emulation.
1024 */
1025 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1026 {
1027 struct bdrv_iterate_context context = { mon, 0 };
1028
1029 bdrv_iterate(encrypted_bdrv_it, &context);
1030 /* only resume the vm if all keys are set and valid */
1031 if (!context.err)
1032 vm_start();
1033 }
1034
1035 static void bdrv_key_cb(void *opaque, int err)
1036 {
1037 Monitor *mon = opaque;
1038
1039 /* another key was set successfully, retry to continue */
1040 if (!err)
1041 do_cont(mon, NULL, NULL);
1042 }
1043
1044 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1045 {
1046 struct bdrv_iterate_context *context = opaque;
1047
1048 if (!context->err && bdrv_key_required(bs)) {
1049 context->err = -EBUSY;
1050 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1051 context->mon);
1052 }
1053 }
1054
1055 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1056 {
1057 const char *device = qdict_get_try_str(qdict, "device");
1058 if (!device)
1059 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1060 if (gdbserver_start(device) < 0) {
1061 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1062 device);
1063 } else if (strcmp(device, "none") == 0) {
1064 monitor_printf(mon, "Disabled gdbserver\n");
1065 } else {
1066 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1067 device);
1068 }
1069 }
1070
1071 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1072 {
1073 const char *action = qdict_get_str(qdict, "action");
1074 if (select_watchdog_action(action) == -1) {
1075 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1076 }
1077 }
1078
1079 static void monitor_printc(Monitor *mon, int c)
1080 {
1081 monitor_printf(mon, "'");
1082 switch(c) {
1083 case '\'':
1084 monitor_printf(mon, "\\'");
1085 break;
1086 case '\\':
1087 monitor_printf(mon, "\\\\");
1088 break;
1089 case '\n':
1090 monitor_printf(mon, "\\n");
1091 break;
1092 case '\r':
1093 monitor_printf(mon, "\\r");
1094 break;
1095 default:
1096 if (c >= 32 && c <= 126) {
1097 monitor_printf(mon, "%c", c);
1098 } else {
1099 monitor_printf(mon, "\\x%02x", c);
1100 }
1101 break;
1102 }
1103 monitor_printf(mon, "'");
1104 }
1105
1106 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1107 target_phys_addr_t addr, int is_physical)
1108 {
1109 CPUState *env;
1110 int nb_per_line, l, line_size, i, max_digits, len;
1111 uint8_t buf[16];
1112 uint64_t v;
1113
1114 if (format == 'i') {
1115 int flags;
1116 flags = 0;
1117 env = mon_get_cpu();
1118 if (!env && !is_physical)
1119 return;
1120 #ifdef TARGET_I386
1121 if (wsize == 2) {
1122 flags = 1;
1123 } else if (wsize == 4) {
1124 flags = 0;
1125 } else {
1126 /* as default we use the current CS size */
1127 flags = 0;
1128 if (env) {
1129 #ifdef TARGET_X86_64
1130 if ((env->efer & MSR_EFER_LMA) &&
1131 (env->segs[R_CS].flags & DESC_L_MASK))
1132 flags = 2;
1133 else
1134 #endif
1135 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1136 flags = 1;
1137 }
1138 }
1139 #endif
1140 monitor_disas(mon, env, addr, count, is_physical, flags);
1141 return;
1142 }
1143
1144 len = wsize * count;
1145 if (wsize == 1)
1146 line_size = 8;
1147 else
1148 line_size = 16;
1149 nb_per_line = line_size / wsize;
1150 max_digits = 0;
1151
1152 switch(format) {
1153 case 'o':
1154 max_digits = (wsize * 8 + 2) / 3;
1155 break;
1156 default:
1157 case 'x':
1158 max_digits = (wsize * 8) / 4;
1159 break;
1160 case 'u':
1161 case 'd':
1162 max_digits = (wsize * 8 * 10 + 32) / 33;
1163 break;
1164 case 'c':
1165 wsize = 1;
1166 break;
1167 }
1168
1169 while (len > 0) {
1170 if (is_physical)
1171 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1172 else
1173 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1174 l = len;
1175 if (l > line_size)
1176 l = line_size;
1177 if (is_physical) {
1178 cpu_physical_memory_rw(addr, buf, l, 0);
1179 } else {
1180 env = mon_get_cpu();
1181 if (!env)
1182 break;
1183 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1184 monitor_printf(mon, " Cannot access memory\n");
1185 break;
1186 }
1187 }
1188 i = 0;
1189 while (i < l) {
1190 switch(wsize) {
1191 default:
1192 case 1:
1193 v = ldub_raw(buf + i);
1194 break;
1195 case 2:
1196 v = lduw_raw(buf + i);
1197 break;
1198 case 4:
1199 v = (uint32_t)ldl_raw(buf + i);
1200 break;
1201 case 8:
1202 v = ldq_raw(buf + i);
1203 break;
1204 }
1205 monitor_printf(mon, " ");
1206 switch(format) {
1207 case 'o':
1208 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1209 break;
1210 case 'x':
1211 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1212 break;
1213 case 'u':
1214 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1215 break;
1216 case 'd':
1217 monitor_printf(mon, "%*" PRId64, max_digits, v);
1218 break;
1219 case 'c':
1220 monitor_printc(mon, v);
1221 break;
1222 }
1223 i += wsize;
1224 }
1225 monitor_printf(mon, "\n");
1226 addr += l;
1227 len -= l;
1228 }
1229 }
1230
1231 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1232 {
1233 int count = qdict_get_int(qdict, "count");
1234 int format = qdict_get_int(qdict, "format");
1235 int size = qdict_get_int(qdict, "size");
1236 target_long addr = qdict_get_int(qdict, "addr");
1237
1238 memory_dump(mon, count, format, size, addr, 0);
1239 }
1240
1241 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1242 {
1243 int count = qdict_get_int(qdict, "count");
1244 int format = qdict_get_int(qdict, "format");
1245 int size = qdict_get_int(qdict, "size");
1246 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1247
1248 memory_dump(mon, count, format, size, addr, 1);
1249 }
1250
1251 static void do_print(Monitor *mon, const QDict *qdict)
1252 {
1253 int format = qdict_get_int(qdict, "format");
1254 target_phys_addr_t val = qdict_get_int(qdict, "val");
1255
1256 #if TARGET_PHYS_ADDR_BITS == 32
1257 switch(format) {
1258 case 'o':
1259 monitor_printf(mon, "%#o", val);
1260 break;
1261 case 'x':
1262 monitor_printf(mon, "%#x", val);
1263 break;
1264 case 'u':
1265 monitor_printf(mon, "%u", val);
1266 break;
1267 default:
1268 case 'd':
1269 monitor_printf(mon, "%d", val);
1270 break;
1271 case 'c':
1272 monitor_printc(mon, val);
1273 break;
1274 }
1275 #else
1276 switch(format) {
1277 case 'o':
1278 monitor_printf(mon, "%#" PRIo64, val);
1279 break;
1280 case 'x':
1281 monitor_printf(mon, "%#" PRIx64, val);
1282 break;
1283 case 'u':
1284 monitor_printf(mon, "%" PRIu64, val);
1285 break;
1286 default:
1287 case 'd':
1288 monitor_printf(mon, "%" PRId64, val);
1289 break;
1290 case 'c':
1291 monitor_printc(mon, val);
1292 break;
1293 }
1294 #endif
1295 monitor_printf(mon, "\n");
1296 }
1297
1298 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1299 {
1300 FILE *f;
1301 uint32_t size = qdict_get_int(qdict, "size");
1302 const char *filename = qdict_get_str(qdict, "filename");
1303 target_long addr = qdict_get_int(qdict, "val");
1304 uint32_t l;
1305 CPUState *env;
1306 uint8_t buf[1024];
1307
1308 env = mon_get_cpu();
1309 if (!env)
1310 return;
1311
1312 f = fopen(filename, "wb");
1313 if (!f) {
1314 monitor_printf(mon, "could not open '%s'\n", filename);
1315 return;
1316 }
1317 while (size != 0) {
1318 l = sizeof(buf);
1319 if (l > size)
1320 l = size;
1321 cpu_memory_rw_debug(env, addr, buf, l, 0);
1322 fwrite(buf, 1, l, f);
1323 addr += l;
1324 size -= l;
1325 }
1326 fclose(f);
1327 }
1328
1329 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1330 QObject **ret_data)
1331 {
1332 FILE *f;
1333 uint32_t l;
1334 uint8_t buf[1024];
1335 uint32_t size = qdict_get_int(qdict, "size");
1336 const char *filename = qdict_get_str(qdict, "filename");
1337 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1338
1339 f = fopen(filename, "wb");
1340 if (!f) {
1341 monitor_printf(mon, "could not open '%s'\n", filename);
1342 return;
1343 }
1344 while (size != 0) {
1345 l = sizeof(buf);
1346 if (l > size)
1347 l = size;
1348 cpu_physical_memory_rw(addr, buf, l, 0);
1349 fwrite(buf, 1, l, f);
1350 fflush(f);
1351 addr += l;
1352 size -= l;
1353 }
1354 fclose(f);
1355 }
1356
1357 static void do_sum(Monitor *mon, const QDict *qdict)
1358 {
1359 uint32_t addr;
1360 uint8_t buf[1];
1361 uint16_t sum;
1362 uint32_t start = qdict_get_int(qdict, "start");
1363 uint32_t size = qdict_get_int(qdict, "size");
1364
1365 sum = 0;
1366 for(addr = start; addr < (start + size); addr++) {
1367 cpu_physical_memory_rw(addr, buf, 1, 0);
1368 /* BSD sum algorithm ('sum' Unix command) */
1369 sum = (sum >> 1) | (sum << 15);
1370 sum += buf[0];
1371 }
1372 monitor_printf(mon, "%05d\n", sum);
1373 }
1374
1375 typedef struct {
1376 int keycode;
1377 const char *name;
1378 } KeyDef;
1379
1380 static const KeyDef key_defs[] = {
1381 { 0x2a, "shift" },
1382 { 0x36, "shift_r" },
1383
1384 { 0x38, "alt" },
1385 { 0xb8, "alt_r" },
1386 { 0x64, "altgr" },
1387 { 0xe4, "altgr_r" },
1388 { 0x1d, "ctrl" },
1389 { 0x9d, "ctrl_r" },
1390
1391 { 0xdd, "menu" },
1392
1393 { 0x01, "esc" },
1394
1395 { 0x02, "1" },
1396 { 0x03, "2" },
1397 { 0x04, "3" },
1398 { 0x05, "4" },
1399 { 0x06, "5" },
1400 { 0x07, "6" },
1401 { 0x08, "7" },
1402 { 0x09, "8" },
1403 { 0x0a, "9" },
1404 { 0x0b, "0" },
1405 { 0x0c, "minus" },
1406 { 0x0d, "equal" },
1407 { 0x0e, "backspace" },
1408
1409 { 0x0f, "tab" },
1410 { 0x10, "q" },
1411 { 0x11, "w" },
1412 { 0x12, "e" },
1413 { 0x13, "r" },
1414 { 0x14, "t" },
1415 { 0x15, "y" },
1416 { 0x16, "u" },
1417 { 0x17, "i" },
1418 { 0x18, "o" },
1419 { 0x19, "p" },
1420
1421 { 0x1c, "ret" },
1422
1423 { 0x1e, "a" },
1424 { 0x1f, "s" },
1425 { 0x20, "d" },
1426 { 0x21, "f" },
1427 { 0x22, "g" },
1428 { 0x23, "h" },
1429 { 0x24, "j" },
1430 { 0x25, "k" },
1431 { 0x26, "l" },
1432
1433 { 0x2c, "z" },
1434 { 0x2d, "x" },
1435 { 0x2e, "c" },
1436 { 0x2f, "v" },
1437 { 0x30, "b" },
1438 { 0x31, "n" },
1439 { 0x32, "m" },
1440 { 0x33, "comma" },
1441 { 0x34, "dot" },
1442 { 0x35, "slash" },
1443
1444 { 0x37, "asterisk" },
1445
1446 { 0x39, "spc" },
1447 { 0x3a, "caps_lock" },
1448 { 0x3b, "f1" },
1449 { 0x3c, "f2" },
1450 { 0x3d, "f3" },
1451 { 0x3e, "f4" },
1452 { 0x3f, "f5" },
1453 { 0x40, "f6" },
1454 { 0x41, "f7" },
1455 { 0x42, "f8" },
1456 { 0x43, "f9" },
1457 { 0x44, "f10" },
1458 { 0x45, "num_lock" },
1459 { 0x46, "scroll_lock" },
1460
1461 { 0xb5, "kp_divide" },
1462 { 0x37, "kp_multiply" },
1463 { 0x4a, "kp_subtract" },
1464 { 0x4e, "kp_add" },
1465 { 0x9c, "kp_enter" },
1466 { 0x53, "kp_decimal" },
1467 { 0x54, "sysrq" },
1468
1469 { 0x52, "kp_0" },
1470 { 0x4f, "kp_1" },
1471 { 0x50, "kp_2" },
1472 { 0x51, "kp_3" },
1473 { 0x4b, "kp_4" },
1474 { 0x4c, "kp_5" },
1475 { 0x4d, "kp_6" },
1476 { 0x47, "kp_7" },
1477 { 0x48, "kp_8" },
1478 { 0x49, "kp_9" },
1479
1480 { 0x56, "<" },
1481
1482 { 0x57, "f11" },
1483 { 0x58, "f12" },
1484
1485 { 0xb7, "print" },
1486
1487 { 0xc7, "home" },
1488 { 0xc9, "pgup" },
1489 { 0xd1, "pgdn" },
1490 { 0xcf, "end" },
1491
1492 { 0xcb, "left" },
1493 { 0xc8, "up" },
1494 { 0xd0, "down" },
1495 { 0xcd, "right" },
1496
1497 { 0xd2, "insert" },
1498 { 0xd3, "delete" },
1499 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1500 { 0xf0, "stop" },
1501 { 0xf1, "again" },
1502 { 0xf2, "props" },
1503 { 0xf3, "undo" },
1504 { 0xf4, "front" },
1505 { 0xf5, "copy" },
1506 { 0xf6, "open" },
1507 { 0xf7, "paste" },
1508 { 0xf8, "find" },
1509 { 0xf9, "cut" },
1510 { 0xfa, "lf" },
1511 { 0xfb, "help" },
1512 { 0xfc, "meta_l" },
1513 { 0xfd, "meta_r" },
1514 { 0xfe, "compose" },
1515 #endif
1516 { 0, NULL },
1517 };
1518
1519 static int get_keycode(const char *key)
1520 {
1521 const KeyDef *p;
1522 char *endp;
1523 int ret;
1524
1525 for(p = key_defs; p->name != NULL; p++) {
1526 if (!strcmp(key, p->name))
1527 return p->keycode;
1528 }
1529 if (strstart(key, "0x", NULL)) {
1530 ret = strtoul(key, &endp, 0);
1531 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1532 return ret;
1533 }
1534 return -1;
1535 }
1536
1537 #define MAX_KEYCODES 16
1538 static uint8_t keycodes[MAX_KEYCODES];
1539 static int nb_pending_keycodes;
1540 static QEMUTimer *key_timer;
1541
1542 static void release_keys(void *opaque)
1543 {
1544 int keycode;
1545
1546 while (nb_pending_keycodes > 0) {
1547 nb_pending_keycodes--;
1548 keycode = keycodes[nb_pending_keycodes];
1549 if (keycode & 0x80)
1550 kbd_put_keycode(0xe0);
1551 kbd_put_keycode(keycode | 0x80);
1552 }
1553 }
1554
1555 static void do_sendkey(Monitor *mon, const QDict *qdict)
1556 {
1557 char keyname_buf[16];
1558 char *separator;
1559 int keyname_len, keycode, i;
1560 const char *string = qdict_get_str(qdict, "string");
1561 int has_hold_time = qdict_haskey(qdict, "hold_time");
1562 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1563
1564 if (nb_pending_keycodes > 0) {
1565 qemu_del_timer(key_timer);
1566 release_keys(NULL);
1567 }
1568 if (!has_hold_time)
1569 hold_time = 100;
1570 i = 0;
1571 while (1) {
1572 separator = strchr(string, '-');
1573 keyname_len = separator ? separator - string : strlen(string);
1574 if (keyname_len > 0) {
1575 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1576 if (keyname_len > sizeof(keyname_buf) - 1) {
1577 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1578 return;
1579 }
1580 if (i == MAX_KEYCODES) {
1581 monitor_printf(mon, "too many keys\n");
1582 return;
1583 }
1584 keyname_buf[keyname_len] = 0;
1585 keycode = get_keycode(keyname_buf);
1586 if (keycode < 0) {
1587 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1588 return;
1589 }
1590 keycodes[i++] = keycode;
1591 }
1592 if (!separator)
1593 break;
1594 string = separator + 1;
1595 }
1596 nb_pending_keycodes = i;
1597 /* key down events */
1598 for (i = 0; i < nb_pending_keycodes; i++) {
1599 keycode = keycodes[i];
1600 if (keycode & 0x80)
1601 kbd_put_keycode(0xe0);
1602 kbd_put_keycode(keycode & 0x7f);
1603 }
1604 /* delayed key up events */
1605 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1606 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1607 }
1608
1609 static int mouse_button_state;
1610
1611 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1612 {
1613 int dx, dy, dz;
1614 const char *dx_str = qdict_get_str(qdict, "dx_str");
1615 const char *dy_str = qdict_get_str(qdict, "dy_str");
1616 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1617 dx = strtol(dx_str, NULL, 0);
1618 dy = strtol(dy_str, NULL, 0);
1619 dz = 0;
1620 if (dz_str)
1621 dz = strtol(dz_str, NULL, 0);
1622 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1623 }
1624
1625 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1626 {
1627 int button_state = qdict_get_int(qdict, "button_state");
1628 mouse_button_state = button_state;
1629 kbd_mouse_event(0, 0, 0, mouse_button_state);
1630 }
1631
1632 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1633 {
1634 int size = qdict_get_int(qdict, "size");
1635 int addr = qdict_get_int(qdict, "addr");
1636 int has_index = qdict_haskey(qdict, "index");
1637 uint32_t val;
1638 int suffix;
1639
1640 if (has_index) {
1641 int index = qdict_get_int(qdict, "index");
1642 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1643 addr++;
1644 }
1645 addr &= 0xffff;
1646
1647 switch(size) {
1648 default:
1649 case 1:
1650 val = cpu_inb(addr);
1651 suffix = 'b';
1652 break;
1653 case 2:
1654 val = cpu_inw(addr);
1655 suffix = 'w';
1656 break;
1657 case 4:
1658 val = cpu_inl(addr);
1659 suffix = 'l';
1660 break;
1661 }
1662 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1663 suffix, addr, size * 2, val);
1664 }
1665
1666 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1667 {
1668 int size = qdict_get_int(qdict, "size");
1669 int addr = qdict_get_int(qdict, "addr");
1670 int val = qdict_get_int(qdict, "val");
1671
1672 addr &= IOPORTS_MASK;
1673
1674 switch (size) {
1675 default:
1676 case 1:
1677 cpu_outb(addr, val);
1678 break;
1679 case 2:
1680 cpu_outw(addr, val);
1681 break;
1682 case 4:
1683 cpu_outl(addr, val);
1684 break;
1685 }
1686 }
1687
1688 static void do_boot_set(Monitor *mon, const QDict *qdict)
1689 {
1690 int res;
1691 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1692
1693 res = qemu_boot_set(bootdevice);
1694 if (res == 0) {
1695 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1696 } else if (res > 0) {
1697 monitor_printf(mon, "setting boot device list failed\n");
1698 } else {
1699 monitor_printf(mon, "no function defined to set boot device list for "
1700 "this architecture\n");
1701 }
1702 }
1703
1704 /**
1705 * do_system_reset(): Issue a machine reset
1706 */
1707 static void do_system_reset(Monitor *mon, const QDict *qdict,
1708 QObject **ret_data)
1709 {
1710 qemu_system_reset_request();
1711 }
1712
1713 /**
1714 * do_system_powerdown(): Issue a machine powerdown
1715 */
1716 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1717 QObject **ret_data)
1718 {
1719 qemu_system_powerdown_request();
1720 }
1721
1722 #if defined(TARGET_I386)
1723 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1724 {
1725 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1726 addr,
1727 pte & mask,
1728 pte & PG_GLOBAL_MASK ? 'G' : '-',
1729 pte & PG_PSE_MASK ? 'P' : '-',
1730 pte & PG_DIRTY_MASK ? 'D' : '-',
1731 pte & PG_ACCESSED_MASK ? 'A' : '-',
1732 pte & PG_PCD_MASK ? 'C' : '-',
1733 pte & PG_PWT_MASK ? 'T' : '-',
1734 pte & PG_USER_MASK ? 'U' : '-',
1735 pte & PG_RW_MASK ? 'W' : '-');
1736 }
1737
1738 static void tlb_info(Monitor *mon)
1739 {
1740 CPUState *env;
1741 int l1, l2;
1742 uint32_t pgd, pde, pte;
1743
1744 env = mon_get_cpu();
1745 if (!env)
1746 return;
1747
1748 if (!(env->cr[0] & CR0_PG_MASK)) {
1749 monitor_printf(mon, "PG disabled\n");
1750 return;
1751 }
1752 pgd = env->cr[3] & ~0xfff;
1753 for(l1 = 0; l1 < 1024; l1++) {
1754 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1755 pde = le32_to_cpu(pde);
1756 if (pde & PG_PRESENT_MASK) {
1757 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1758 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1759 } else {
1760 for(l2 = 0; l2 < 1024; l2++) {
1761 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1762 (uint8_t *)&pte, 4);
1763 pte = le32_to_cpu(pte);
1764 if (pte & PG_PRESENT_MASK) {
1765 print_pte(mon, (l1 << 22) + (l2 << 12),
1766 pte & ~PG_PSE_MASK,
1767 ~0xfff);
1768 }
1769 }
1770 }
1771 }
1772 }
1773 }
1774
1775 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1776 uint32_t end, int prot)
1777 {
1778 int prot1;
1779 prot1 = *plast_prot;
1780 if (prot != prot1) {
1781 if (*pstart != -1) {
1782 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1783 *pstart, end, end - *pstart,
1784 prot1 & PG_USER_MASK ? 'u' : '-',
1785 'r',
1786 prot1 & PG_RW_MASK ? 'w' : '-');
1787 }
1788 if (prot != 0)
1789 *pstart = end;
1790 else
1791 *pstart = -1;
1792 *plast_prot = prot;
1793 }
1794 }
1795
1796 static void mem_info(Monitor *mon)
1797 {
1798 CPUState *env;
1799 int l1, l2, prot, last_prot;
1800 uint32_t pgd, pde, pte, start, end;
1801
1802 env = mon_get_cpu();
1803 if (!env)
1804 return;
1805
1806 if (!(env->cr[0] & CR0_PG_MASK)) {
1807 monitor_printf(mon, "PG disabled\n");
1808 return;
1809 }
1810 pgd = env->cr[3] & ~0xfff;
1811 last_prot = 0;
1812 start = -1;
1813 for(l1 = 0; l1 < 1024; l1++) {
1814 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1815 pde = le32_to_cpu(pde);
1816 end = l1 << 22;
1817 if (pde & PG_PRESENT_MASK) {
1818 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1819 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1820 mem_print(mon, &start, &last_prot, end, prot);
1821 } else {
1822 for(l2 = 0; l2 < 1024; l2++) {
1823 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1824 (uint8_t *)&pte, 4);
1825 pte = le32_to_cpu(pte);
1826 end = (l1 << 22) + (l2 << 12);
1827 if (pte & PG_PRESENT_MASK) {
1828 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1829 } else {
1830 prot = 0;
1831 }
1832 mem_print(mon, &start, &last_prot, end, prot);
1833 }
1834 }
1835 } else {
1836 prot = 0;
1837 mem_print(mon, &start, &last_prot, end, prot);
1838 }
1839 }
1840 }
1841 #endif
1842
1843 #if defined(TARGET_SH4)
1844
1845 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1846 {
1847 monitor_printf(mon, " tlb%i:\t"
1848 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1849 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1850 "dirty=%hhu writethrough=%hhu\n",
1851 idx,
1852 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1853 tlb->v, tlb->sh, tlb->c, tlb->pr,
1854 tlb->d, tlb->wt);
1855 }
1856
1857 static void tlb_info(Monitor *mon)
1858 {
1859 CPUState *env = mon_get_cpu();
1860 int i;
1861
1862 monitor_printf (mon, "ITLB:\n");
1863 for (i = 0 ; i < ITLB_SIZE ; i++)
1864 print_tlb (mon, i, &env->itlb[i]);
1865 monitor_printf (mon, "UTLB:\n");
1866 for (i = 0 ; i < UTLB_SIZE ; i++)
1867 print_tlb (mon, i, &env->utlb[i]);
1868 }
1869
1870 #endif
1871
1872 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1873 {
1874 QDict *qdict;
1875
1876 qdict = qobject_to_qdict(data);
1877
1878 monitor_printf(mon, "kvm support: ");
1879 if (qdict_get_bool(qdict, "present")) {
1880 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1881 "enabled" : "disabled");
1882 } else {
1883 monitor_printf(mon, "not compiled\n");
1884 }
1885 }
1886
1887 /**
1888 * do_info_kvm(): Show KVM information
1889 *
1890 * Return a QDict with the following information:
1891 *
1892 * - "enabled": true if KVM support is enabled, false otherwise
1893 * - "present": true if QEMU has KVM support, false otherwise
1894 *
1895 * Example:
1896 *
1897 * { "enabled": true, "present": true }
1898 */
1899 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1900 {
1901 #ifdef CONFIG_KVM
1902 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1903 kvm_enabled());
1904 #else
1905 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1906 #endif
1907 }
1908
1909 static void do_info_numa(Monitor *mon)
1910 {
1911 int i;
1912 CPUState *env;
1913
1914 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1915 for (i = 0; i < nb_numa_nodes; i++) {
1916 monitor_printf(mon, "node %d cpus:", i);
1917 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1918 if (env->numa_node == i) {
1919 monitor_printf(mon, " %d", env->cpu_index);
1920 }
1921 }
1922 monitor_printf(mon, "\n");
1923 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1924 node_mem[i] >> 20);
1925 }
1926 }
1927
1928 #ifdef CONFIG_PROFILER
1929
1930 int64_t qemu_time;
1931 int64_t dev_time;
1932
1933 static void do_info_profile(Monitor *mon)
1934 {
1935 int64_t total;
1936 total = qemu_time;
1937 if (total == 0)
1938 total = 1;
1939 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1940 dev_time, dev_time / (double)get_ticks_per_sec());
1941 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1942 qemu_time, qemu_time / (double)get_ticks_per_sec());
1943 qemu_time = 0;
1944 dev_time = 0;
1945 }
1946 #else
1947 static void do_info_profile(Monitor *mon)
1948 {
1949 monitor_printf(mon, "Internal profiler not compiled\n");
1950 }
1951 #endif
1952
1953 /* Capture support */
1954 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1955
1956 static void do_info_capture(Monitor *mon)
1957 {
1958 int i;
1959 CaptureState *s;
1960
1961 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1962 monitor_printf(mon, "[%d]: ", i);
1963 s->ops.info (s->opaque);
1964 }
1965 }
1966
1967 #ifdef HAS_AUDIO
1968 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1969 {
1970 int i;
1971 int n = qdict_get_int(qdict, "n");
1972 CaptureState *s;
1973
1974 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1975 if (i == n) {
1976 s->ops.destroy (s->opaque);
1977 QLIST_REMOVE (s, entries);
1978 qemu_free (s);
1979 return;
1980 }
1981 }
1982 }
1983
1984 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1985 {
1986 const char *path = qdict_get_str(qdict, "path");
1987 int has_freq = qdict_haskey(qdict, "freq");
1988 int freq = qdict_get_try_int(qdict, "freq", -1);
1989 int has_bits = qdict_haskey(qdict, "bits");
1990 int bits = qdict_get_try_int(qdict, "bits", -1);
1991 int has_channels = qdict_haskey(qdict, "nchannels");
1992 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1993 CaptureState *s;
1994
1995 s = qemu_mallocz (sizeof (*s));
1996
1997 freq = has_freq ? freq : 44100;
1998 bits = has_bits ? bits : 16;
1999 nchannels = has_channels ? nchannels : 2;
2000
2001 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2002 monitor_printf(mon, "Faied to add wave capture\n");
2003 qemu_free (s);
2004 }
2005 QLIST_INSERT_HEAD (&capture_head, s, entries);
2006 }
2007 #endif
2008
2009 #if defined(TARGET_I386)
2010 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2011 {
2012 CPUState *env;
2013 int cpu_index = qdict_get_int(qdict, "cpu_index");
2014
2015 for (env = first_cpu; env != NULL; env = env->next_cpu)
2016 if (env->cpu_index == cpu_index) {
2017 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2018 break;
2019 }
2020 }
2021 #endif
2022
2023 static void do_info_status_print(Monitor *mon, const QObject *data)
2024 {
2025 QDict *qdict;
2026
2027 qdict = qobject_to_qdict(data);
2028
2029 monitor_printf(mon, "VM status: ");
2030 if (qdict_get_bool(qdict, "running")) {
2031 monitor_printf(mon, "running");
2032 if (qdict_get_bool(qdict, "singlestep")) {
2033 monitor_printf(mon, " (single step mode)");
2034 }
2035 } else {
2036 monitor_printf(mon, "paused");
2037 }
2038
2039 monitor_printf(mon, "\n");
2040 }
2041
2042 /**
2043 * do_info_status(): VM status
2044 *
2045 * Return a QDict with the following information:
2046 *
2047 * - "running": true if the VM is running, or false if it is paused
2048 * - "singlestep": true if the VM is in single step mode, false otherwise
2049 *
2050 * Example:
2051 *
2052 * { "running": true, "singlestep": false }
2053 */
2054 static void do_info_status(Monitor *mon, QObject **ret_data)
2055 {
2056 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2057 vm_running, singlestep);
2058 }
2059
2060 static ram_addr_t balloon_get_value(void)
2061 {
2062 ram_addr_t actual;
2063
2064 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2065 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2066 return 0;
2067 }
2068
2069 actual = qemu_balloon_status();
2070 if (actual == 0) {
2071 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2072 return 0;
2073 }
2074
2075 return actual;
2076 }
2077
2078 /**
2079 * do_balloon(): Request VM to change its memory allocation
2080 */
2081 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2082 {
2083 if (balloon_get_value()) {
2084 /* ballooning is active */
2085 qemu_balloon(qdict_get_int(qdict, "value"));
2086 }
2087 }
2088
2089 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2090 {
2091 QDict *qdict;
2092
2093 qdict = qobject_to_qdict(data);
2094
2095 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2096 qdict_get_int(qdict, "balloon") >> 20);
2097 }
2098
2099 /**
2100 * do_info_balloon(): Balloon information
2101 *
2102 * Return a QDict with the following information:
2103 *
2104 * - "balloon": current balloon value in bytes
2105 *
2106 * Example:
2107 *
2108 * { "balloon": 1073741824 }
2109 */
2110 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2111 {
2112 ram_addr_t actual;
2113
2114 actual = balloon_get_value();
2115 if (actual != 0) {
2116 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2117 (int64_t) actual);
2118 }
2119 }
2120
2121 static qemu_acl *find_acl(Monitor *mon, const char *name)
2122 {
2123 qemu_acl *acl = qemu_acl_find(name);
2124
2125 if (!acl) {
2126 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2127 }
2128 return acl;
2129 }
2130
2131 static void do_acl_show(Monitor *mon, const QDict *qdict)
2132 {
2133 const char *aclname = qdict_get_str(qdict, "aclname");
2134 qemu_acl *acl = find_acl(mon, aclname);
2135 qemu_acl_entry *entry;
2136 int i = 0;
2137
2138 if (acl) {
2139 monitor_printf(mon, "policy: %s\n",
2140 acl->defaultDeny ? "deny" : "allow");
2141 QTAILQ_FOREACH(entry, &acl->entries, next) {
2142 i++;
2143 monitor_printf(mon, "%d: %s %s\n", i,
2144 entry->deny ? "deny" : "allow", entry->match);
2145 }
2146 }
2147 }
2148
2149 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2150 {
2151 const char *aclname = qdict_get_str(qdict, "aclname");
2152 qemu_acl *acl = find_acl(mon, aclname);
2153
2154 if (acl) {
2155 qemu_acl_reset(acl);
2156 monitor_printf(mon, "acl: removed all rules\n");
2157 }
2158 }
2159
2160 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2161 {
2162 const char *aclname = qdict_get_str(qdict, "aclname");
2163 const char *policy = qdict_get_str(qdict, "policy");
2164 qemu_acl *acl = find_acl(mon, aclname);
2165
2166 if (acl) {
2167 if (strcmp(policy, "allow") == 0) {
2168 acl->defaultDeny = 0;
2169 monitor_printf(mon, "acl: policy set to 'allow'\n");
2170 } else if (strcmp(policy, "deny") == 0) {
2171 acl->defaultDeny = 1;
2172 monitor_printf(mon, "acl: policy set to 'deny'\n");
2173 } else {
2174 monitor_printf(mon, "acl: unknown policy '%s', "
2175 "expected 'deny' or 'allow'\n", policy);
2176 }
2177 }
2178 }
2179
2180 static void do_acl_add(Monitor *mon, const QDict *qdict)
2181 {
2182 const char *aclname = qdict_get_str(qdict, "aclname");
2183 const char *match = qdict_get_str(qdict, "match");
2184 const char *policy = qdict_get_str(qdict, "policy");
2185 int has_index = qdict_haskey(qdict, "index");
2186 int index = qdict_get_try_int(qdict, "index", -1);
2187 qemu_acl *acl = find_acl(mon, aclname);
2188 int deny, ret;
2189
2190 if (acl) {
2191 if (strcmp(policy, "allow") == 0) {
2192 deny = 0;
2193 } else if (strcmp(policy, "deny") == 0) {
2194 deny = 1;
2195 } else {
2196 monitor_printf(mon, "acl: unknown policy '%s', "
2197 "expected 'deny' or 'allow'\n", policy);
2198 return;
2199 }
2200 if (has_index)
2201 ret = qemu_acl_insert(acl, deny, match, index);
2202 else
2203 ret = qemu_acl_append(acl, deny, match);
2204 if (ret < 0)
2205 monitor_printf(mon, "acl: unable to add acl entry\n");
2206 else
2207 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2208 }
2209 }
2210
2211 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2212 {
2213 const char *aclname = qdict_get_str(qdict, "aclname");
2214 const char *match = qdict_get_str(qdict, "match");
2215 qemu_acl *acl = find_acl(mon, aclname);
2216 int ret;
2217
2218 if (acl) {
2219 ret = qemu_acl_remove(acl, match);
2220 if (ret < 0)
2221 monitor_printf(mon, "acl: no matching acl entry\n");
2222 else
2223 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2224 }
2225 }
2226
2227 #if defined(TARGET_I386)
2228 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2229 {
2230 CPUState *cenv;
2231 int cpu_index = qdict_get_int(qdict, "cpu_index");
2232 int bank = qdict_get_int(qdict, "bank");
2233 uint64_t status = qdict_get_int(qdict, "status");
2234 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2235 uint64_t addr = qdict_get_int(qdict, "addr");
2236 uint64_t misc = qdict_get_int(qdict, "misc");
2237
2238 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2239 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2240 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2241 break;
2242 }
2243 }
2244 #endif
2245
2246 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2247 {
2248 const char *fdname = qdict_get_str(qdict, "fdname");
2249 mon_fd_t *monfd;
2250 int fd;
2251
2252 fd = qemu_chr_get_msgfd(mon->chr);
2253 if (fd == -1) {
2254 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2255 return;
2256 }
2257
2258 if (qemu_isdigit(fdname[0])) {
2259 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2260 return;
2261 }
2262
2263 fd = dup(fd);
2264 if (fd == -1) {
2265 if (errno == EMFILE)
2266 qemu_error_new(QERR_TOO_MANY_FILES);
2267 else
2268 qemu_error_new(QERR_UNDEFINED_ERROR);
2269 return;
2270 }
2271
2272 QLIST_FOREACH(monfd, &mon->fds, next) {
2273 if (strcmp(monfd->name, fdname) != 0) {
2274 continue;
2275 }
2276
2277 close(monfd->fd);
2278 monfd->fd = fd;
2279 return;
2280 }
2281
2282 monfd = qemu_mallocz(sizeof(mon_fd_t));
2283 monfd->name = qemu_strdup(fdname);
2284 monfd->fd = fd;
2285
2286 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2287 }
2288
2289 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2290 {
2291 const char *fdname = qdict_get_str(qdict, "fdname");
2292 mon_fd_t *monfd;
2293
2294 QLIST_FOREACH(monfd, &mon->fds, next) {
2295 if (strcmp(monfd->name, fdname) != 0) {
2296 continue;
2297 }
2298
2299 QLIST_REMOVE(monfd, next);
2300 close(monfd->fd);
2301 qemu_free(monfd->name);
2302 qemu_free(monfd);
2303 return;
2304 }
2305
2306 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2307 }
2308
2309 static void do_loadvm(Monitor *mon, const QDict *qdict)
2310 {
2311 int saved_vm_running = vm_running;
2312 const char *name = qdict_get_str(qdict, "name");
2313
2314 vm_stop(0);
2315
2316 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2317 vm_start();
2318 }
2319
2320 int monitor_get_fd(Monitor *mon, const char *fdname)
2321 {
2322 mon_fd_t *monfd;
2323
2324 QLIST_FOREACH(monfd, &mon->fds, next) {
2325 int fd;
2326
2327 if (strcmp(monfd->name, fdname) != 0) {
2328 continue;
2329 }
2330
2331 fd = monfd->fd;
2332
2333 /* caller takes ownership of fd */
2334 QLIST_REMOVE(monfd, next);
2335 qemu_free(monfd->name);
2336 qemu_free(monfd);
2337
2338 return fd;
2339 }
2340
2341 return -1;
2342 }
2343
2344 static const mon_cmd_t mon_cmds[] = {
2345 #include "qemu-monitor.h"
2346 { NULL, NULL, },
2347 };
2348
2349 /* Please update qemu-monitor.hx when adding or changing commands */
2350 static const mon_cmd_t info_cmds[] = {
2351 {
2352 .name = "version",
2353 .args_type = "",
2354 .params = "",
2355 .help = "show the version of QEMU",
2356 .user_print = do_info_version_print,
2357 .mhandler.info_new = do_info_version,
2358 },
2359 {
2360 .name = "commands",
2361 .args_type = "",
2362 .params = "",
2363 .help = "list QMP available commands",
2364 .user_print = monitor_user_noop,
2365 .mhandler.info_new = do_info_commands,
2366 },
2367 {
2368 .name = "network",
2369 .args_type = "",
2370 .params = "",
2371 .help = "show the network state",
2372 .mhandler.info = do_info_network,
2373 },
2374 {
2375 .name = "chardev",
2376 .args_type = "",
2377 .params = "",
2378 .help = "show the character devices",
2379 .user_print = qemu_chr_info_print,
2380 .mhandler.info_new = qemu_chr_info,
2381 },
2382 {
2383 .name = "block",
2384 .args_type = "",
2385 .params = "",
2386 .help = "show the block devices",
2387 .user_print = bdrv_info_print,
2388 .mhandler.info_new = bdrv_info,
2389 },
2390 {
2391 .name = "blockstats",
2392 .args_type = "",
2393 .params = "",
2394 .help = "show block device statistics",
2395 .user_print = bdrv_stats_print,
2396 .mhandler.info_new = bdrv_info_stats,
2397 },
2398 {
2399 .name = "registers",
2400 .args_type = "",
2401 .params = "",
2402 .help = "show the cpu registers",
2403 .mhandler.info = do_info_registers,
2404 },
2405 {
2406 .name = "cpus",
2407 .args_type = "",
2408 .params = "",
2409 .help = "show infos for each CPU",
2410 .user_print = monitor_print_cpus,
2411 .mhandler.info_new = do_info_cpus,
2412 },
2413 {
2414 .name = "history",
2415 .args_type = "",
2416 .params = "",
2417 .help = "show the command line history",
2418 .mhandler.info = do_info_history,
2419 },
2420 {
2421 .name = "irq",
2422 .args_type = "",
2423 .params = "",
2424 .help = "show the interrupts statistics (if available)",
2425 .mhandler.info = irq_info,
2426 },
2427 {
2428 .name = "pic",
2429 .args_type = "",
2430 .params = "",
2431 .help = "show i8259 (PIC) state",
2432 .mhandler.info = pic_info,
2433 },
2434 {
2435 .name = "pci",
2436 .args_type = "",
2437 .params = "",
2438 .help = "show PCI info",
2439 .mhandler.info = pci_info,
2440 },
2441 #if defined(TARGET_I386) || defined(TARGET_SH4)
2442 {
2443 .name = "tlb",
2444 .args_type = "",
2445 .params = "",
2446 .help = "show virtual to physical memory mappings",
2447 .mhandler.info = tlb_info,
2448 },
2449 #endif
2450 #if defined(TARGET_I386)
2451 {
2452 .name = "mem",
2453 .args_type = "",
2454 .params = "",
2455 .help = "show the active virtual memory mappings",
2456 .mhandler.info = mem_info,
2457 },
2458 {
2459 .name = "hpet",
2460 .args_type = "",
2461 .params = "",
2462 .help = "show state of HPET",
2463 .user_print = do_info_hpet_print,
2464 .mhandler.info_new = do_info_hpet,
2465 },
2466 #endif
2467 {
2468 .name = "jit",
2469 .args_type = "",
2470 .params = "",
2471 .help = "show dynamic compiler info",
2472 .mhandler.info = do_info_jit,
2473 },
2474 {
2475 .name = "kvm",
2476 .args_type = "",
2477 .params = "",
2478 .help = "show KVM information",
2479 .user_print = do_info_kvm_print,
2480 .mhandler.info_new = do_info_kvm,
2481 },
2482 {
2483 .name = "numa",
2484 .args_type = "",
2485 .params = "",
2486 .help = "show NUMA information",
2487 .mhandler.info = do_info_numa,
2488 },
2489 {
2490 .name = "usb",
2491 .args_type = "",
2492 .params = "",
2493 .help = "show guest USB devices",
2494 .mhandler.info = usb_info,
2495 },
2496 {
2497 .name = "usbhost",
2498 .args_type = "",
2499 .params = "",
2500 .help = "show host USB devices",
2501 .mhandler.info = usb_host_info,
2502 },
2503 {
2504 .name = "profile",
2505 .args_type = "",
2506 .params = "",
2507 .help = "show profiling information",
2508 .mhandler.info = do_info_profile,
2509 },
2510 {
2511 .name = "capture",
2512 .args_type = "",
2513 .params = "",
2514 .help = "show capture information",
2515 .mhandler.info = do_info_capture,
2516 },
2517 {
2518 .name = "snapshots",
2519 .args_type = "",
2520 .params = "",
2521 .help = "show the currently saved VM snapshots",
2522 .mhandler.info = do_info_snapshots,
2523 },
2524 {
2525 .name = "status",
2526 .args_type = "",
2527 .params = "",
2528 .help = "show the current VM status (running|paused)",
2529 .user_print = do_info_status_print,
2530 .mhandler.info_new = do_info_status,
2531 },
2532 {
2533 .name = "pcmcia",
2534 .args_type = "",
2535 .params = "",
2536 .help = "show guest PCMCIA status",
2537 .mhandler.info = pcmcia_info,
2538 },
2539 {
2540 .name = "mice",
2541 .args_type = "",
2542 .params = "",
2543 .help = "show which guest mouse is receiving events",
2544 .user_print = do_info_mice_print,
2545 .mhandler.info_new = do_info_mice,
2546 },
2547 {
2548 .name = "vnc",
2549 .args_type = "",
2550 .params = "",
2551 .help = "show the vnc server status",
2552 .user_print = do_info_vnc_print,
2553 .mhandler.info_new = do_info_vnc,
2554 },
2555 {
2556 .name = "name",
2557 .args_type = "",
2558 .params = "",
2559 .help = "show the current VM name",
2560 .user_print = do_info_name_print,
2561 .mhandler.info_new = do_info_name,
2562 },
2563 {
2564 .name = "uuid",
2565 .args_type = "",
2566 .params = "",
2567 .help = "show the current VM UUID",
2568 .user_print = do_info_uuid_print,
2569 .mhandler.info_new = do_info_uuid,
2570 },
2571 #if defined(TARGET_PPC)
2572 {
2573 .name = "cpustats",
2574 .args_type = "",
2575 .params = "",
2576 .help = "show CPU statistics",
2577 .mhandler.info = do_info_cpu_stats,
2578 },
2579 #endif
2580 #if defined(CONFIG_SLIRP)
2581 {
2582 .name = "usernet",
2583 .args_type = "",
2584 .params = "",
2585 .help = "show user network stack connection states",
2586 .mhandler.info = do_info_usernet,
2587 },
2588 #endif
2589 {
2590 .name = "migrate",
2591 .args_type = "",
2592 .params = "",
2593 .help = "show migration status",
2594 .user_print = do_info_migrate_print,
2595 .mhandler.info_new = do_info_migrate,
2596 },
2597 {
2598 .name = "balloon",
2599 .args_type = "",
2600 .params = "",
2601 .help = "show balloon information",
2602 .user_print = monitor_print_balloon,
2603 .mhandler.info_new = do_info_balloon,
2604 },
2605 {
2606 .name = "qtree",
2607 .args_type = "",
2608 .params = "",
2609 .help = "show device tree",
2610 .mhandler.info = do_info_qtree,
2611 },
2612 {
2613 .name = "qdm",
2614 .args_type = "",
2615 .params = "",
2616 .help = "show qdev device model list",
2617 .mhandler.info = do_info_qdm,
2618 },
2619 {
2620 .name = "roms",
2621 .args_type = "",
2622 .params = "",
2623 .help = "show roms",
2624 .mhandler.info = do_info_roms,
2625 },
2626 {
2627 .name = NULL,
2628 },
2629 };
2630
2631 /*******************************************************************/
2632
2633 static const char *pch;
2634 static jmp_buf expr_env;
2635
2636 #define MD_TLONG 0
2637 #define MD_I32 1
2638
2639 typedef struct MonitorDef {
2640 const char *name;
2641 int offset;
2642 target_long (*get_value)(const struct MonitorDef *md, int val);
2643 int type;
2644 } MonitorDef;
2645
2646 #if defined(TARGET_I386)
2647 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2648 {
2649 CPUState *env = mon_get_cpu();
2650 if (!env)
2651 return 0;
2652 return env->eip + env->segs[R_CS].base;
2653 }
2654 #endif
2655
2656 #if defined(TARGET_PPC)
2657 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2658 {
2659 CPUState *env = mon_get_cpu();
2660 unsigned int u;
2661 int i;
2662
2663 if (!env)
2664 return 0;
2665
2666 u = 0;
2667 for (i = 0; i < 8; i++)
2668 u |= env->crf[i] << (32 - (4 * i));
2669
2670 return u;
2671 }
2672
2673 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2674 {
2675 CPUState *env = mon_get_cpu();
2676 if (!env)
2677 return 0;
2678 return env->msr;
2679 }
2680
2681 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2682 {
2683 CPUState *env = mon_get_cpu();
2684 if (!env)
2685 return 0;
2686 return env->xer;
2687 }
2688
2689 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2690 {
2691 CPUState *env = mon_get_cpu();
2692 if (!env)
2693 return 0;
2694 return cpu_ppc_load_decr(env);
2695 }
2696
2697 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2698 {
2699 CPUState *env = mon_get_cpu();
2700 if (!env)
2701 return 0;
2702 return cpu_ppc_load_tbu(env);
2703 }
2704
2705 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2706 {
2707 CPUState *env = mon_get_cpu();
2708 if (!env)
2709 return 0;
2710 return cpu_ppc_load_tbl(env);
2711 }
2712 #endif
2713
2714 #if defined(TARGET_SPARC)
2715 #ifndef TARGET_SPARC64
2716 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2717 {
2718 CPUState *env = mon_get_cpu();
2719 if (!env)
2720 return 0;
2721 return GET_PSR(env);
2722 }
2723 #endif
2724
2725 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2726 {
2727 CPUState *env = mon_get_cpu();
2728 if (!env)
2729 return 0;
2730 return env->regwptr[val];
2731 }
2732 #endif
2733
2734 static const MonitorDef monitor_defs[] = {
2735 #ifdef TARGET_I386
2736
2737 #define SEG(name, seg) \
2738 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2739 { name ".base", offsetof(CPUState, segs[seg].base) },\
2740 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2741
2742 { "eax", offsetof(CPUState, regs[0]) },
2743 { "ecx", offsetof(CPUState, regs[1]) },
2744 { "edx", offsetof(CPUState, regs[2]) },
2745 { "ebx", offsetof(CPUState, regs[3]) },
2746 { "esp|sp", offsetof(CPUState, regs[4]) },
2747 { "ebp|fp", offsetof(CPUState, regs[5]) },
2748 { "esi", offsetof(CPUState, regs[6]) },
2749 { "edi", offsetof(CPUState, regs[7]) },
2750 #ifdef TARGET_X86_64
2751 { "r8", offsetof(CPUState, regs[8]) },
2752 { "r9", offsetof(CPUState, regs[9]) },
2753 { "r10", offsetof(CPUState, regs[10]) },
2754 { "r11", offsetof(CPUState, regs[11]) },
2755 { "r12", offsetof(CPUState, regs[12]) },
2756 { "r13", offsetof(CPUState, regs[13]) },
2757 { "r14", offsetof(CPUState, regs[14]) },
2758 { "r15", offsetof(CPUState, regs[15]) },
2759 #endif
2760 { "eflags", offsetof(CPUState, eflags) },
2761 { "eip", offsetof(CPUState, eip) },
2762 SEG("cs", R_CS)
2763 SEG("ds", R_DS)
2764 SEG("es", R_ES)
2765 SEG("ss", R_SS)
2766 SEG("fs", R_FS)
2767 SEG("gs", R_GS)
2768 { "pc", 0, monitor_get_pc, },
2769 #elif defined(TARGET_PPC)
2770 /* General purpose registers */
2771 { "r0", offsetof(CPUState, gpr[0]) },
2772 { "r1", offsetof(CPUState, gpr[1]) },
2773 { "r2", offsetof(CPUState, gpr[2]) },
2774 { "r3", offsetof(CPUState, gpr[3]) },
2775 { "r4", offsetof(CPUState, gpr[4]) },
2776 { "r5", offsetof(CPUState, gpr[5]) },
2777 { "r6", offsetof(CPUState, gpr[6]) },
2778 { "r7", offsetof(CPUState, gpr[7]) },
2779 { "r8", offsetof(CPUState, gpr[8]) },
2780 { "r9", offsetof(CPUState, gpr[9]) },
2781 { "r10", offsetof(CPUState, gpr[10]) },
2782 { "r11", offsetof(CPUState, gpr[11]) },
2783 { "r12", offsetof(CPUState, gpr[12]) },
2784 { "r13", offsetof(CPUState, gpr[13]) },
2785 { "r14", offsetof(CPUState, gpr[14]) },
2786 { "r15", offsetof(CPUState, gpr[15]) },
2787 { "r16", offsetof(CPUState, gpr[16]) },
2788 { "r17", offsetof(CPUState, gpr[17]) },
2789 { "r18", offsetof(CPUState, gpr[18]) },
2790 { "r19", offsetof(CPUState, gpr[19]) },
2791 { "r20", offsetof(CPUState, gpr[20]) },
2792 { "r21", offsetof(CPUState, gpr[21]) },
2793 { "r22", offsetof(CPUState, gpr[22]) },
2794 { "r23", offsetof(CPUState, gpr[23]) },
2795 { "r24", offsetof(CPUState, gpr[24]) },
2796 { "r25", offsetof(CPUState, gpr[25]) },
2797 { "r26", offsetof(CPUState, gpr[26]) },
2798 { "r27", offsetof(CPUState, gpr[27]) },
2799 { "r28", offsetof(CPUState, gpr[28]) },
2800 { "r29", offsetof(CPUState, gpr[29]) },
2801 { "r30", offsetof(CPUState, gpr[30]) },
2802 { "r31", offsetof(CPUState, gpr[31]) },
2803 /* Floating point registers */
2804 { "f0", offsetof(CPUState, fpr[0]) },
2805 { "f1", offsetof(CPUState, fpr[1]) },
2806 { "f2", offsetof(CPUState, fpr[2]) },
2807 { "f3", offsetof(CPUState, fpr[3]) },
2808 { "f4", offsetof(CPUState, fpr[4]) },
2809 { "f5", offsetof(CPUState, fpr[5]) },
2810 { "f6", offsetof(CPUState, fpr[6]) },
2811 { "f7", offsetof(CPUState, fpr[7]) },
2812 { "f8", offsetof(CPUState, fpr[8]) },
2813 { "f9", offsetof(CPUState, fpr[9]) },
2814 { "f10", offsetof(CPUState, fpr[10]) },
2815 { "f11", offsetof(CPUState, fpr[11]) },
2816 { "f12", offsetof(CPUState, fpr[12]) },
2817 { "f13", offsetof(CPUState, fpr[13]) },
2818 { "f14", offsetof(CPUState, fpr[14]) },
2819 { "f15", offsetof(CPUState, fpr[15]) },
2820 { "f16", offsetof(CPUState, fpr[16]) },
2821 { "f17", offsetof(CPUState, fpr[17]) },
2822 { "f18", offsetof(CPUState, fpr[18]) },
2823 { "f19", offsetof(CPUState, fpr[19]) },
2824 { "f20", offsetof(CPUState, fpr[20]) },
2825 { "f21", offsetof(CPUState, fpr[21]) },
2826 { "f22", offsetof(CPUState, fpr[22]) },
2827 { "f23", offsetof(CPUState, fpr[23]) },
2828 { "f24", offsetof(CPUState, fpr[24]) },
2829 { "f25", offsetof(CPUState, fpr[25]) },
2830 { "f26", offsetof(CPUState, fpr[26]) },
2831 { "f27", offsetof(CPUState, fpr[27]) },
2832 { "f28", offsetof(CPUState, fpr[28]) },
2833 { "f29", offsetof(CPUState, fpr[29]) },
2834 { "f30", offsetof(CPUState, fpr[30]) },
2835 { "f31", offsetof(CPUState, fpr[31]) },
2836 { "fpscr", offsetof(CPUState, fpscr) },
2837 /* Next instruction pointer */
2838 { "nip|pc", offsetof(CPUState, nip) },
2839 { "lr", offsetof(CPUState, lr) },
2840 { "ctr", offsetof(CPUState, ctr) },
2841 { "decr", 0, &monitor_get_decr, },
2842 { "ccr", 0, &monitor_get_ccr, },
2843 /* Machine state register */
2844 { "msr", 0, &monitor_get_msr, },
2845 { "xer", 0, &monitor_get_xer, },
2846 { "tbu", 0, &monitor_get_tbu, },
2847 { "tbl", 0, &monitor_get_tbl, },
2848 #if defined(TARGET_PPC64)
2849 /* Address space register */
2850 { "asr", offsetof(CPUState, asr) },
2851 #endif
2852 /* Segment registers */
2853 { "sdr1", offsetof(CPUState, sdr1) },
2854 { "sr0", offsetof(CPUState, sr[0]) },
2855 { "sr1", offsetof(CPUState, sr[1]) },
2856 { "sr2", offsetof(CPUState, sr[2]) },
2857 { "sr3", offsetof(CPUState, sr[3]) },
2858 { "sr4", offsetof(CPUState, sr[4]) },
2859 { "sr5", offsetof(CPUState, sr[5]) },
2860 { "sr6", offsetof(CPUState, sr[6]) },
2861 { "sr7", offsetof(CPUState, sr[7]) },
2862 { "sr8", offsetof(CPUState, sr[8]) },
2863 { "sr9", offsetof(CPUState, sr[9]) },
2864 { "sr10", offsetof(CPUState, sr[10]) },
2865 { "sr11", offsetof(CPUState, sr[11]) },
2866 { "sr12", offsetof(CPUState, sr[12]) },
2867 { "sr13", offsetof(CPUState, sr[13]) },
2868 { "sr14", offsetof(CPUState, sr[14]) },
2869 { "sr15", offsetof(CPUState, sr[15]) },
2870 /* Too lazy to put BATs and SPRs ... */
2871 #elif defined(TARGET_SPARC)
2872 { "g0", offsetof(CPUState, gregs[0]) },
2873 { "g1", offsetof(CPUState, gregs[1]) },
2874 { "g2", offsetof(CPUState, gregs[2]) },
2875 { "g3", offsetof(CPUState, gregs[3]) },
2876 { "g4", offsetof(CPUState, gregs[4]) },
2877 { "g5", offsetof(CPUState, gregs[5]) },
2878 { "g6", offsetof(CPUState, gregs[6]) },
2879 { "g7", offsetof(CPUState, gregs[7]) },
2880 { "o0", 0, monitor_get_reg },
2881 { "o1", 1, monitor_get_reg },
2882 { "o2", 2, monitor_get_reg },
2883 { "o3", 3, monitor_get_reg },
2884 { "o4", 4, monitor_get_reg },
2885 { "o5", 5, monitor_get_reg },
2886 { "o6", 6, monitor_get_reg },
2887 { "o7", 7, monitor_get_reg },
2888 { "l0", 8, monitor_get_reg },
2889 { "l1", 9, monitor_get_reg },
2890 { "l2", 10, monitor_get_reg },
2891 { "l3", 11, monitor_get_reg },
2892 { "l4", 12, monitor_get_reg },
2893 { "l5", 13, monitor_get_reg },
2894 { "l6", 14, monitor_get_reg },
2895 { "l7", 15, monitor_get_reg },
2896 { "i0", 16, monitor_get_reg },
2897 { "i1", 17, monitor_get_reg },
2898 { "i2", 18, monitor_get_reg },
2899 { "i3", 19, monitor_get_reg },
2900 { "i4", 20, monitor_get_reg },
2901 { "i5", 21, monitor_get_reg },
2902 { "i6", 22, monitor_get_reg },
2903 { "i7", 23, monitor_get_reg },
2904 { "pc", offsetof(CPUState, pc) },
2905 { "npc", offsetof(CPUState, npc) },
2906 { "y", offsetof(CPUState, y) },
2907 #ifndef TARGET_SPARC64
2908 { "psr", 0, &monitor_get_psr, },
2909 { "wim", offsetof(CPUState, wim) },
2910 #endif
2911 { "tbr", offsetof(CPUState, tbr) },
2912 { "fsr", offsetof(CPUState, fsr) },
2913 { "f0", offsetof(CPUState, fpr[0]) },
2914 { "f1", offsetof(CPUState, fpr[1]) },
2915 { "f2", offsetof(CPUState, fpr[2]) },
2916 { "f3", offsetof(CPUState, fpr[3]) },
2917 { "f4", offsetof(CPUState, fpr[4]) },
2918 { "f5", offsetof(CPUState, fpr[5]) },
2919 { "f6", offsetof(CPUState, fpr[6]) },
2920 { "f7", offsetof(CPUState, fpr[7]) },
2921 { "f8", offsetof(CPUState, fpr[8]) },
2922 { "f9", offsetof(CPUState, fpr[9]) },
2923 { "f10", offsetof(CPUState, fpr[10]) },
2924 { "f11", offsetof(CPUState, fpr[11]) },
2925 { "f12", offsetof(CPUState, fpr[12]) },
2926 { "f13", offsetof(CPUState, fpr[13]) },
2927 { "f14", offsetof(CPUState, fpr[14]) },
2928 { "f15", offsetof(CPUState, fpr[15]) },
2929 { "f16", offsetof(CPUState, fpr[16]) },
2930 { "f17", offsetof(CPUState, fpr[17]) },
2931 { "f18", offsetof(CPUState, fpr[18]) },
2932 { "f19", offsetof(CPUState, fpr[19]) },
2933 { "f20", offsetof(CPUState, fpr[20]) },
2934 { "f21", offsetof(CPUState, fpr[21]) },
2935 { "f22", offsetof(CPUState, fpr[22]) },
2936 { "f23", offsetof(CPUState, fpr[23]) },
2937 { "f24", offsetof(CPUState, fpr[24]) },
2938 { "f25", offsetof(CPUState, fpr[25]) },
2939 { "f26", offsetof(CPUState, fpr[26]) },
2940 { "f27", offsetof(CPUState, fpr[27]) },
2941 { "f28", offsetof(CPUState, fpr[28]) },
2942 { "f29", offsetof(CPUState, fpr[29]) },
2943 { "f30", offsetof(CPUState, fpr[30]) },
2944 { "f31", offsetof(CPUState, fpr[31]) },
2945 #ifdef TARGET_SPARC64
2946 { "f32", offsetof(CPUState, fpr[32]) },
2947 { "f34", offsetof(CPUState, fpr[34]) },
2948 { "f36", offsetof(CPUState, fpr[36]) },
2949 { "f38", offsetof(CPUState, fpr[38]) },
2950 { "f40", offsetof(CPUState, fpr[40]) },
2951 { "f42", offsetof(CPUState, fpr[42]) },
2952 { "f44", offsetof(CPUState, fpr[44]) },
2953 { "f46", offsetof(CPUState, fpr[46]) },
2954 { "f48", offsetof(CPUState, fpr[48]) },
2955 { "f50", offsetof(CPUState, fpr[50]) },
2956 { "f52", offsetof(CPUState, fpr[52]) },
2957 { "f54", offsetof(CPUState, fpr[54]) },
2958 { "f56", offsetof(CPUState, fpr[56]) },
2959 { "f58", offsetof(CPUState, fpr[58]) },
2960 { "f60", offsetof(CPUState, fpr[60]) },
2961 { "f62", offsetof(CPUState, fpr[62]) },
2962 { "asi", offsetof(CPUState, asi) },
2963 { "pstate", offsetof(CPUState, pstate) },
2964 { "cansave", offsetof(CPUState, cansave) },
2965 { "canrestore", offsetof(CPUState, canrestore) },
2966 { "otherwin", offsetof(CPUState, otherwin) },
2967 { "wstate", offsetof(CPUState, wstate) },
2968 { "cleanwin", offsetof(CPUState, cleanwin) },
2969 { "fprs", offsetof(CPUState, fprs) },
2970 #endif
2971 #endif
2972 { NULL },
2973 };
2974
2975 static void expr_error(Monitor *mon, const char *msg)
2976 {
2977 monitor_printf(mon, "%s\n", msg);
2978 longjmp(expr_env, 1);
2979 }
2980
2981 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2982 static int get_monitor_def(target_long *pval, const char *name)
2983 {
2984 const MonitorDef *md;
2985 void *ptr;
2986
2987 for(md = monitor_defs; md->name != NULL; md++) {
2988 if (compare_cmd(name, md->name)) {
2989 if (md->get_value) {
2990 *pval = md->get_value(md, md->offset);
2991 } else {
2992 CPUState *env = mon_get_cpu();
2993 if (!env)
2994 return -2;
2995 ptr = (uint8_t *)env + md->offset;
2996 switch(md->type) {
2997 case MD_I32:
2998 *pval = *(int32_t *)ptr;
2999 break;
3000 case MD_TLONG:
3001 *pval = *(target_long *)ptr;
3002 break;
3003 default:
3004 *pval = 0;
3005 break;
3006 }
3007 }
3008 return 0;
3009 }
3010 }
3011 return -1;
3012 }
3013
3014 static void next(void)
3015 {
3016 if (*pch != '\0') {
3017 pch++;
3018 while (qemu_isspace(*pch))
3019 pch++;
3020 }
3021 }
3022
3023 static int64_t expr_sum(Monitor *mon);
3024
3025 static int64_t expr_unary(Monitor *mon)
3026 {
3027 int64_t n;
3028 char *p;
3029 int ret;
3030
3031 switch(*pch) {
3032 case '+':
3033 next();
3034 n = expr_unary(mon);
3035 break;
3036 case '-':
3037 next();
3038 n = -expr_unary(mon);
3039 break;
3040 case '~':
3041 next();
3042 n = ~expr_unary(mon);
3043 break;
3044 case '(':
3045 next();
3046 n = expr_sum(mon);
3047 if (*pch != ')') {
3048 expr_error(mon, "')' expected");
3049 }
3050 next();
3051 break;
3052 case '\'':
3053 pch++;
3054 if (*pch == '\0')
3055 expr_error(mon, "character constant expected");
3056 n = *pch;
3057 pch++;
3058 if (*pch != '\'')
3059 expr_error(mon, "missing terminating \' character");
3060 next();
3061 break;
3062 case '$':
3063 {
3064 char buf[128], *q;
3065 target_long reg=0;
3066
3067 pch++;
3068 q = buf;
3069 while ((*pch >= 'a' && *pch <= 'z') ||
3070 (*pch >= 'A' && *pch <= 'Z') ||
3071 (*pch >= '0' && *pch <= '9') ||
3072 *pch == '_' || *pch == '.') {
3073 if ((q - buf) < sizeof(buf) - 1)
3074 *q++ = *pch;
3075 pch++;
3076 }
3077 while (qemu_isspace(*pch))
3078 pch++;
3079 *q = 0;
3080 ret = get_monitor_def(&reg, buf);
3081 if (ret == -1)
3082 expr_error(mon, "unknown register");
3083 else if (ret == -2)
3084 expr_error(mon, "no cpu defined");
3085 n = reg;
3086 }
3087 break;
3088 case '\0':
3089 expr_error(mon, "unexpected end of expression");
3090 n = 0;
3091 break;
3092 default:
3093 #if TARGET_PHYS_ADDR_BITS > 32
3094 n = strtoull(pch, &p, 0);
3095 #else
3096 n = strtoul(pch, &p, 0);
3097 #endif
3098 if (pch == p) {
3099 expr_error(mon, "invalid char in expression");
3100 }
3101 pch = p;
3102 while (qemu_isspace(*pch))
3103 pch++;
3104 break;
3105 }
3106 return n;
3107 }
3108
3109
3110 static int64_t expr_prod(Monitor *mon)
3111 {
3112 int64_t val, val2;
3113 int op;
3114
3115 val = expr_unary(mon);
3116 for(;;) {
3117 op = *pch;
3118 if (op != '*' && op != '/' && op != '%')
3119 break;
3120 next();
3121 val2 = expr_unary(mon);
3122 switch(op) {
3123 default:
3124 case '*':
3125 val *= val2;
3126 break;
3127 case '/':
3128 case '%':
3129 if (val2 == 0)
3130 expr_error(mon, "division by zero");
3131 if (op == '/')
3132 val /= val2;
3133 else
3134 val %= val2;
3135 break;
3136 }
3137 }
3138 return val;
3139 }
3140
3141 static int64_t expr_logic(Monitor *mon)
3142 {
3143 int64_t val, val2;
3144 int op;
3145
3146 val = expr_prod(mon);
3147 for(;;) {
3148 op = *pch;
3149 if (op != '&' && op != '|' && op != '^')
3150 break;
3151 next();
3152 val2 = expr_prod(mon);
3153 switch(op) {
3154 default:
3155 case '&':
3156 val &= val2;
3157 break;
3158 case '|':
3159 val |= val2;
3160 break;
3161 case '^':
3162 val ^= val2;
3163 break;
3164 }
3165 }
3166 return val;
3167 }
3168
3169 static int64_t expr_sum(Monitor *mon)
3170 {
3171 int64_t val, val2;
3172 int op;
3173
3174 val = expr_logic(mon);
3175 for(;;) {
3176 op = *pch;
3177 if (op != '+' && op != '-')
3178 break;
3179 next();
3180 val2 = expr_logic(mon);
3181 if (op == '+')
3182 val += val2;
3183 else
3184 val -= val2;
3185 }
3186 return val;
3187 }
3188
3189 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3190 {
3191 pch = *pp;
3192 if (setjmp(expr_env)) {
3193 *pp = pch;
3194 return -1;
3195 }
3196 while (qemu_isspace(*pch))
3197 pch++;
3198 *pval = expr_sum(mon);
3199 *pp = pch;
3200 return 0;
3201 }
3202
3203 static int get_str(char *buf, int buf_size, const char **pp)
3204 {
3205 const char *p;
3206 char *q;
3207 int c;
3208
3209 q = buf;
3210 p = *pp;
3211 while (qemu_isspace(*p))
3212 p++;
3213 if (*p == '\0') {
3214 fail:
3215 *q = '\0';
3216 *pp = p;
3217 return -1;
3218 }
3219 if (*p == '\"') {
3220 p++;
3221 while (*p != '\0' && *p != '\"') {
3222 if (*p == '\\') {
3223 p++;
3224 c = *p++;
3225 switch(c) {
3226 case 'n':
3227 c = '\n';
3228 break;
3229 case 'r':
3230 c = '\r';
3231 break;
3232 case '\\':
3233 case '\'':
3234 case '\"':
3235 break;
3236 default:
3237 qemu_printf("unsupported escape code: '\\%c'\n", c);
3238 goto fail;
3239 }
3240 if ((q - buf) < buf_size - 1) {
3241 *q++ = c;
3242 }
3243 } else {
3244 if ((q - buf) < buf_size - 1) {
3245 *q++ = *p;
3246 }
3247 p++;
3248 }
3249 }
3250 if (*p != '\"') {
3251 qemu_printf("unterminated string\n");
3252 goto fail;
3253 }
3254 p++;
3255 } else {
3256 while (*p != '\0' && !qemu_isspace(*p)) {
3257 if ((q - buf) < buf_size - 1) {
3258 *q++ = *p;
3259 }
3260 p++;
3261 }
3262 }
3263 *q = '\0';
3264 *pp = p;
3265 return 0;
3266 }
3267
3268 /*
3269 * Store the command-name in cmdname, and return a pointer to
3270 * the remaining of the command string.
3271 */
3272 static const char *get_command_name(const char *cmdline,
3273 char *cmdname, size_t nlen)
3274 {
3275 size_t len;
3276 const char *p, *pstart;
3277
3278 p = cmdline;
3279 while (qemu_isspace(*p))
3280 p++;
3281 if (*p == '\0')
3282 return NULL;
3283 pstart = p;
3284 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3285 p++;
3286 len = p - pstart;
3287 if (len > nlen - 1)
3288 len = nlen - 1;
3289 memcpy(cmdname, pstart, len);
3290 cmdname[len] = '\0';
3291 return p;
3292 }
3293
3294 /**
3295 * Read key of 'type' into 'key' and return the current
3296 * 'type' pointer.
3297 */
3298 static char *key_get_info(const char *type, char **key)
3299 {
3300 size_t len;
3301 char *p, *str;
3302
3303 if (*type == ',')
3304 type++;
3305
3306 p = strchr(type, ':');
3307 if (!p) {
3308 *key = NULL;
3309 return NULL;
3310 }
3311 len = p - type;
3312
3313 str = qemu_malloc(len + 1);
3314 memcpy(str, type, len);
3315 str[len] = '\0';
3316
3317 *key = str;
3318 return ++p;
3319 }
3320
3321 static int default_fmt_format = 'x';
3322 static int default_fmt_size = 4;
3323
3324 #define MAX_ARGS 16
3325
3326 static int is_valid_option(const char *c, const char *typestr)
3327 {
3328 char option[3];
3329
3330 option[0] = '-';
3331 option[1] = *c;
3332 option[2] = '\0';
3333
3334 typestr = strstr(typestr, option);
3335 return (typestr != NULL);
3336 }
3337
3338 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3339 {
3340 const mon_cmd_t *cmd;
3341
3342 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3343 if (compare_cmd(cmdname, cmd->name)) {
3344 return cmd;
3345 }
3346 }
3347
3348 return NULL;
3349 }
3350
3351 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3352 const char *cmdline,
3353 QDict *qdict)
3354 {
3355 const char *p, *typestr;
3356 int c;
3357 const mon_cmd_t *cmd;
3358 char cmdname[256];
3359 char buf[1024];
3360 char *key;
3361
3362 #ifdef DEBUG
3363 monitor_printf(mon, "command='%s'\n", cmdline);
3364 #endif
3365
3366 /* extract the command name */
3367 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3368 if (!p)
3369 return NULL;
3370
3371 cmd = monitor_find_command(cmdname);
3372 if (!cmd) {
3373 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3374 return NULL;
3375 }
3376
3377 /* parse the parameters */
3378 typestr = cmd->args_type;
3379 for(;;) {
3380 typestr = key_get_info(typestr, &key);
3381 if (!typestr)
3382 break;
3383 c = *typestr;
3384 typestr++;
3385 switch(c) {
3386 case 'F':
3387 case 'B':
3388 case 's':
3389 {
3390 int ret;
3391
3392 while (qemu_isspace(*p))
3393 p++;
3394 if (*typestr == '?') {
3395 typestr++;
3396 if (*p == '\0') {
3397 /* no optional string: NULL argument */
3398 break;
3399 }
3400 }
3401 ret = get_str(buf, sizeof(buf), &p);
3402 if (ret < 0) {
3403 switch(c) {
3404 case 'F':
3405 monitor_printf(mon, "%s: filename expected\n",
3406 cmdname);
3407 break;
3408 case 'B':
3409 monitor_printf(mon, "%s: block device name expected\n",
3410 cmdname);
3411 break;
3412 default:
3413 monitor_printf(mon, "%s: string expected\n", cmdname);
3414 break;
3415 }
3416 goto fail;
3417 }
3418 qdict_put(qdict, key, qstring_from_str(buf));
3419 }
3420 break;
3421 case '/':
3422 {
3423 int count, format, size;
3424
3425 while (qemu_isspace(*p))
3426 p++;
3427 if (*p == '/') {
3428 /* format found */
3429 p++;
3430 count = 1;
3431 if (qemu_isdigit(*p)) {
3432 count = 0;
3433 while (qemu_isdigit(*p)) {
3434 count = count * 10 + (*p - '0');
3435 p++;
3436 }
3437 }
3438 size = -1;
3439 format = -1;
3440 for(;;) {
3441 switch(*p) {
3442 case 'o':
3443 case 'd':
3444 case 'u':
3445 case 'x':
3446 case 'i':
3447 case 'c':
3448 format = *p++;
3449 break;
3450 case 'b':
3451 size = 1;
3452 p++;
3453 break;
3454 case 'h':
3455 size = 2;
3456 p++;
3457 break;
3458 case 'w':
3459 size = 4;
3460 p++;
3461 break;
3462 case 'g':
3463 case 'L':
3464 size = 8;
3465 p++;
3466 break;
3467 default:
3468 goto next;
3469 }
3470 }
3471 next:
3472 if (*p != '\0' && !qemu_isspace(*p)) {
3473 monitor_printf(mon, "invalid char in format: '%c'\n",
3474 *p);
3475 goto fail;
3476 }
3477 if (format < 0)
3478 format = default_fmt_format;
3479 if (format != 'i') {
3480 /* for 'i', not specifying a size gives -1 as size */
3481 if (size < 0)
3482 size = default_fmt_size;
3483 default_fmt_size = size;
3484 }
3485 default_fmt_format = format;
3486 } else {
3487 count = 1;
3488 format = default_fmt_format;
3489 if (format != 'i') {
3490 size = default_fmt_size;
3491 } else {
3492 size = -1;
3493 }
3494 }
3495 qdict_put(qdict, "count", qint_from_int(count));
3496 qdict_put(qdict, "format", qint_from_int(format));
3497 qdict_put(qdict, "size", qint_from_int(size));
3498 }
3499 break;
3500 case 'i':
3501 case 'l':
3502 case 'M':
3503 {
3504 int64_t val;
3505
3506 while (qemu_isspace(*p))
3507 p++;
3508 if (*typestr == '?' || *typestr == '.') {
3509 if (*typestr == '?') {
3510 if (*p == '\0') {
3511 typestr++;
3512 break;
3513 }
3514 } else {
3515 if (*p == '.') {
3516 p++;
3517 while (qemu_isspace(*p))
3518 p++;
3519 } else {
3520 typestr++;
3521 break;
3522 }
3523 }
3524 typestr++;
3525 }
3526 if (get_expr(mon, &val, &p))
3527 goto fail;
3528 /* Check if 'i' is greater than 32-bit */
3529 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3530 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3531 monitor_printf(mon, "integer is for 32-bit values\n");
3532 goto fail;
3533 } else if (c == 'M') {
3534 val <<= 20;
3535 }
3536 qdict_put(qdict, key, qint_from_int(val));
3537 }
3538 break;
3539 case '-':
3540 {
3541 const char *tmp = p;
3542 int has_option, skip_key = 0;
3543 /* option */
3544
3545 c = *typestr++;
3546 if (c == '\0')
3547 goto bad_type;
3548 while (qemu_isspace(*p))
3549 p++;
3550 has_option = 0;
3551 if (*p == '-') {
3552 p++;
3553 if(c != *p) {
3554 if(!is_valid_option(p, typestr)) {
3555
3556 monitor_printf(mon, "%s: unsupported option -%c\n",
3557 cmdname, *p);
3558 goto fail;
3559 } else {
3560 skip_key = 1;
3561 }
3562 }
3563 if(skip_key) {
3564 p = tmp;
3565 } else {
3566 p++;
3567 has_option = 1;
3568 }
3569 }
3570 qdict_put(qdict, key, qint_from_int(has_option));
3571 }
3572 break;
3573 default:
3574 bad_type:
3575 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3576 goto fail;
3577 }
3578 qemu_free(key);
3579 key = NULL;
3580 }
3581 /* check that all arguments were parsed */
3582 while (qemu_isspace(*p))
3583 p++;
3584 if (*p != '\0') {
3585 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3586 cmdname);
3587 goto fail;
3588 }
3589
3590 return cmd;
3591
3592 fail:
3593 qemu_free(key);
3594 return NULL;
3595 }
3596
3597 static void monitor_print_error(Monitor *mon)
3598 {
3599 qerror_print(mon->error);
3600 QDECREF(mon->error);
3601 mon->error = NULL;
3602 }
3603
3604 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3605 const QDict *params)
3606 {
3607 QObject *data = NULL;
3608
3609 cmd->mhandler.cmd_new(mon, params, &data);
3610
3611 if (monitor_ctrl_mode(mon)) {
3612 /* Monitor Protocol */
3613 monitor_protocol_emitter(mon, data);
3614 } else {
3615 /* User Protocol */
3616 if (data)
3617 cmd->user_print(mon, data);
3618 }
3619
3620 qobject_decref(data);
3621 }
3622
3623 static void handle_user_command(Monitor *mon, const char *cmdline)
3624 {
3625 QDict *qdict;
3626 const mon_cmd_t *cmd;
3627
3628 qdict = qdict_new();
3629
3630 cmd = monitor_parse_command(mon, cmdline, qdict);
3631 if (!cmd)
3632 goto out;
3633
3634 qemu_errors_to_mon(mon);
3635
3636 if (monitor_handler_ported(cmd)) {
3637 monitor_call_handler(mon, cmd, qdict);
3638 } else {
3639 cmd->mhandler.cmd(mon, qdict);
3640 }
3641
3642 if (monitor_has_error(mon))
3643 monitor_print_error(mon);
3644
3645 qemu_errors_to_previous();
3646
3647 out:
3648 QDECREF(qdict);
3649 }
3650
3651 static void cmd_completion(const char *name, const char *list)
3652 {
3653 const char *p, *pstart;
3654 char cmd[128];
3655 int len;
3656
3657 p = list;
3658 for(;;) {
3659 pstart = p;
3660 p = strchr(p, '|');
3661 if (!p)
3662 p = pstart + strlen(pstart);
3663 len = p - pstart;
3664 if (len > sizeof(cmd) - 2)
3665 len = sizeof(cmd) - 2;
3666 memcpy(cmd, pstart, len);
3667 cmd[len] = '\0';
3668 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3669 readline_add_completion(cur_mon->rs, cmd);
3670 }
3671 if (*p == '\0')
3672 break;
3673 p++;
3674 }
3675 }
3676
3677 static void file_completion(const char *input)
3678 {
3679 DIR *ffs;
3680 struct dirent *d;
3681 char path[1024];
3682 char file[1024], file_prefix[1024];
3683 int input_path_len;
3684 const char *p;
3685
3686 p = strrchr(input, '/');
3687 if (!p) {
3688 input_path_len = 0;
3689 pstrcpy(file_prefix, sizeof(file_prefix), input);
3690 pstrcpy(path, sizeof(path), ".");
3691 } else {
3692 input_path_len = p - input + 1;
3693 memcpy(path, input, input_path_len);
3694 if (input_path_len > sizeof(path) - 1)
3695 input_path_len = sizeof(path) - 1;
3696 path[input_path_len] = '\0';
3697 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3698 }
3699 #ifdef DEBUG_COMPLETION
3700 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3701 input, path, file_prefix);
3702 #endif
3703 ffs = opendir(path);
3704 if (!ffs)
3705 return;
3706 for(;;) {
3707 struct stat sb;
3708 d = readdir(ffs);
3709 if (!d)
3710 break;
3711 if (strstart(d->d_name, file_prefix, NULL)) {
3712 memcpy(file, input, input_path_len);
3713 if (input_path_len < sizeof(file))
3714 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3715 d->d_name);
3716 /* stat the file to find out if it's a directory.
3717 * In that case add a slash to speed up typing long paths
3718 */
3719 stat(file, &sb);
3720 if(S_ISDIR(sb.st_mode))
3721 pstrcat(file, sizeof(file), "/");
3722 readline_add_completion(cur_mon->rs, file);
3723 }
3724 }
3725 closedir(ffs);
3726 }
3727
3728 static void block_completion_it(void *opaque, BlockDriverState *bs)
3729 {
3730 const char *name = bdrv_get_device_name(bs);
3731 const char *input = opaque;
3732
3733 if (input[0] == '\0' ||
3734 !strncmp(name, (char *)input, strlen(input))) {
3735 readline_add_completion(cur_mon->rs, name);
3736 }
3737 }
3738
3739 /* NOTE: this parser is an approximate form of the real command parser */
3740 static void parse_cmdline(const char *cmdline,
3741 int *pnb_args, char **args)
3742 {
3743 const char *p;
3744 int nb_args, ret;
3745 char buf[1024];
3746
3747 p = cmdline;
3748 nb_args = 0;
3749 for(;;) {
3750 while (qemu_isspace(*p))
3751 p++;
3752 if (*p == '\0')
3753 break;
3754 if (nb_args >= MAX_ARGS)
3755 break;
3756 ret = get_str(buf, sizeof(buf), &p);
3757 args[nb_args] = qemu_strdup(buf);
3758 nb_args++;
3759 if (ret < 0)
3760 break;
3761 }
3762 *pnb_args = nb_args;
3763 }
3764
3765 static const char *next_arg_type(const char *typestr)
3766 {
3767 const char *p = strchr(typestr, ':');
3768 return (p != NULL ? ++p : typestr);
3769 }
3770
3771 static void monitor_find_completion(const char *cmdline)
3772 {
3773 const char *cmdname;
3774 char *args[MAX_ARGS];
3775 int nb_args, i, len;
3776 const char *ptype, *str;
3777 const mon_cmd_t *cmd;
3778 const KeyDef *key;
3779
3780 parse_cmdline(cmdline, &nb_args, args);
3781 #ifdef DEBUG_COMPLETION
3782 for(i = 0; i < nb_args; i++) {
3783 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3784 }
3785 #endif
3786
3787 /* if the line ends with a space, it means we want to complete the
3788 next arg */
3789 len = strlen(cmdline);
3790 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3791 if (nb_args >= MAX_ARGS)
3792 return;
3793 args[nb_args++] = qemu_strdup("");
3794 }
3795 if (nb_args <= 1) {
3796 /* command completion */
3797 if (nb_args == 0)
3798 cmdname = "";
3799 else
3800 cmdname = args[0];
3801 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3802 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3803 cmd_completion(cmdname, cmd->name);
3804 }
3805 } else {
3806 /* find the command */
3807 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3808 if (compare_cmd(args[0], cmd->name))
3809 goto found;
3810 }
3811 return;
3812 found:
3813 ptype = next_arg_type(cmd->args_type);
3814 for(i = 0; i < nb_args - 2; i++) {
3815 if (*ptype != '\0') {
3816 ptype = next_arg_type(ptype);
3817 while (*ptype == '?')
3818 ptype = next_arg_type(ptype);
3819 }
3820 }
3821 str = args[nb_args - 1];
3822 if (*ptype == '-' && ptype[1] != '\0') {
3823 ptype += 2;
3824 }
3825 switch(*ptype) {
3826 case 'F':
3827 /* file completion */
3828 readline_set_completion_index(cur_mon->rs, strlen(str));
3829 file_completion(str);
3830 break;
3831 case 'B':
3832 /* block device name completion */
3833 readline_set_completion_index(cur_mon->rs, strlen(str));
3834 bdrv_iterate(block_completion_it, (void *)str);
3835 break;
3836 case 's':
3837 /* XXX: more generic ? */
3838 if (!strcmp(cmd->name, "info")) {
3839 readline_set_completion_index(cur_mon->rs, strlen(str));
3840 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3841 cmd_completion(str, cmd->name);
3842 }
3843 } else if (!strcmp(cmd->name, "sendkey")) {
3844 char *sep = strrchr(str, '-');
3845 if (sep)
3846 str = sep + 1;
3847 readline_set_completion_index(cur_mon->rs, strlen(str));
3848 for(key = key_defs; key->name != NULL; key++) {
3849 cmd_completion(str, key->name);
3850 }
3851 } else if (!strcmp(cmd->name, "help|?")) {
3852 readline_set_completion_index(cur_mon->rs, strlen(str));
3853 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3854 cmd_completion(str, cmd->name);
3855 }
3856 }
3857 break;
3858 default:
3859 break;
3860 }
3861 }
3862 for(i = 0; i < nb_args; i++)
3863 qemu_free(args[i]);
3864 }
3865
3866 static int monitor_can_read(void *opaque)
3867 {
3868 Monitor *mon = opaque;
3869
3870 return (mon->suspend_cnt == 0) ? 1 : 0;
3871 }
3872
3873 typedef struct CmdArgs {
3874 QString *name;
3875 int type;
3876 int flag;
3877 int optional;
3878 } CmdArgs;
3879
3880 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3881 {
3882 if (!cmd_args->optional) {
3883 qemu_error_new(QERR_MISSING_PARAMETER, name);
3884 return -1;
3885 }
3886
3887 if (cmd_args->type == '-') {
3888 /* handlers expect a value, they need to be changed */
3889 qdict_put(args, name, qint_from_int(0));
3890 }
3891
3892 return 0;
3893 }
3894
3895 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3896 {
3897 QObject *value;
3898 const char *name;
3899
3900 name = qstring_get_str(cmd_args->name);
3901
3902 if (!args) {
3903 return check_opt(cmd_args, name, args);
3904 }
3905
3906 value = qdict_get(args, name);
3907 if (!value) {
3908 return check_opt(cmd_args, name, args);
3909 }
3910
3911 switch (cmd_args->type) {
3912 case 'F':
3913 case 'B':
3914 case 's':
3915 if (qobject_type(value) != QTYPE_QSTRING) {
3916 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3917 return -1;
3918 }
3919 break;
3920 case '/': {
3921 int i;
3922 const char *keys[] = { "count", "format", "size", NULL };
3923
3924 for (i = 0; keys[i]; i++) {
3925 QObject *obj = qdict_get(args, keys[i]);
3926 if (!obj) {
3927 qemu_error_new(QERR_MISSING_PARAMETER, name);
3928 return -1;
3929 }
3930 if (qobject_type(obj) != QTYPE_QINT) {
3931 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3932 return -1;
3933 }
3934 }
3935 break;
3936 }
3937 case 'i':
3938 case 'l':
3939 case 'M':
3940 if (qobject_type(value) != QTYPE_QINT) {
3941 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3942 return -1;
3943 }
3944 break;
3945 case '-':
3946 if (qobject_type(value) != QTYPE_QINT &&
3947 qobject_type(value) != QTYPE_QBOOL) {
3948 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3949 return -1;
3950 }
3951 if (qobject_type(value) == QTYPE_QBOOL) {
3952 /* handlers expect a QInt, they need to be changed */
3953 qdict_put(args, name,
3954 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3955 }
3956 break;
3957 default:
3958 /* impossible */
3959 abort();
3960 }
3961
3962 return 0;
3963 }
3964
3965 static void cmd_args_init(CmdArgs *cmd_args)
3966 {
3967 cmd_args->name = qstring_new();
3968 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3969 }
3970
3971 /*
3972 * This is not trivial, we have to parse Monitor command's argument
3973 * type syntax to be able to check the arguments provided by clients.
3974 *
3975 * In the near future we will be using an array for that and will be
3976 * able to drop all this parsing...
3977 */
3978 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3979 {
3980 int err;
3981 const char *p;
3982 CmdArgs cmd_args;
3983
3984 if (cmd->args_type == NULL) {
3985 return (qdict_size(args) == 0 ? 0 : -1);
3986 }
3987
3988 err = 0;
3989 cmd_args_init(&cmd_args);
3990
3991 for (p = cmd->args_type;; p++) {
3992 if (*p == ':') {
3993 cmd_args.type = *++p;
3994 p++;
3995 if (cmd_args.type == '-') {
3996 cmd_args.flag = *p++;
3997 cmd_args.optional = 1;
3998 } else if (*p == '?') {
3999 cmd_args.optional = 1;
4000 p++;
4001 }
4002
4003 assert(*p == ',' || *p == '\0');
4004 err = check_arg(&cmd_args, args);
4005
4006 QDECREF(cmd_args.name);
4007 cmd_args_init(&cmd_args);
4008
4009 if (err < 0) {
4010 break;
4011 }
4012 } else {
4013 qstring_append_chr(cmd_args.name, *p);
4014 }
4015
4016 if (*p == '\0') {
4017 break;
4018 }
4019 }
4020
4021 QDECREF(cmd_args.name);
4022 return err;
4023 }
4024
4025 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4026 {
4027 int err;
4028 QObject *obj;
4029 QDict *input, *args;
4030 const mon_cmd_t *cmd;
4031 Monitor *mon = cur_mon;
4032 const char *cmd_name, *info_item;
4033
4034 args = NULL;
4035 qemu_errors_to_mon(mon);
4036
4037 obj = json_parser_parse(tokens, NULL);
4038 if (!obj) {
4039 // FIXME: should be triggered in json_parser_parse()
4040 qemu_error_new(QERR_JSON_PARSING);
4041 goto err_out;
4042 } else if (qobject_type(obj) != QTYPE_QDICT) {
4043 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4044 qobject_decref(obj);
4045 goto err_out;
4046 }
4047
4048 input = qobject_to_qdict(obj);
4049
4050 mon->mc->id = qdict_get(input, "id");
4051 qobject_incref(mon->mc->id);
4052
4053 obj = qdict_get(input, "execute");
4054 if (!obj) {
4055 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4056 goto err_input;
4057 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4058 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4059 goto err_input;
4060 }
4061
4062 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4063
4064 /*
4065 * XXX: We need this special case until we get info handlers
4066 * converted into 'query-' commands
4067 */
4068 if (compare_cmd(cmd_name, "info")) {
4069 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4070 goto err_input;
4071 } else if (strstart(cmd_name, "query-", &info_item)) {
4072 cmd = monitor_find_command("info");
4073 qdict_put_obj(input, "arguments",
4074 qobject_from_jsonf("{ 'item': %s }", info_item));
4075 } else {
4076 cmd = monitor_find_command(cmd_name);
4077 if (!cmd || !monitor_handler_ported(cmd)) {
4078 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4079 goto err_input;
4080 }
4081 }
4082
4083 obj = qdict_get(input, "arguments");
4084 if (!obj) {
4085 args = qdict_new();
4086 } else {
4087 args = qobject_to_qdict(obj);
4088 QINCREF(args);
4089 }
4090
4091 QDECREF(input);
4092
4093 err = monitor_check_qmp_args(cmd, args);
4094 if (err < 0) {
4095 goto err_out;
4096 }
4097
4098 monitor_call_handler(mon, cmd, args);
4099 goto out;
4100
4101 err_input:
4102 QDECREF(input);
4103 err_out:
4104 monitor_protocol_emitter(mon, NULL);
4105 out:
4106 QDECREF(args);
4107 qemu_errors_to_previous();
4108 }
4109
4110 /**
4111 * monitor_control_read(): Read and handle QMP input
4112 */
4113 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4114 {
4115 Monitor *old_mon = cur_mon;
4116
4117 cur_mon = opaque;
4118
4119 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4120
4121 cur_mon = old_mon;
4122 }
4123
4124 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4125 {
4126 Monitor *old_mon = cur_mon;
4127 int i;
4128
4129 cur_mon = opaque;
4130
4131 if (cur_mon->rs) {
4132 for (i = 0; i < size; i++)
4133 readline_handle_byte(cur_mon->rs, buf[i]);
4134 } else {
4135 if (size == 0 || buf[size - 1] != 0)
4136 monitor_printf(cur_mon, "corrupted command\n");
4137 else
4138 handle_user_command(cur_mon, (char *)buf);
4139 }
4140
4141 cur_mon = old_mon;
4142 }
4143
4144 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4145 {
4146 monitor_suspend(mon);
4147 handle_user_command(mon, cmdline);
4148 monitor_resume(mon);
4149 }
4150
4151 int monitor_suspend(Monitor *mon)
4152 {
4153 if (!mon->rs)
4154 return -ENOTTY;
4155 mon->suspend_cnt++;
4156 return 0;
4157 }
4158
4159 void monitor_resume(Monitor *mon)
4160 {
4161 if (!mon->rs)
4162 return;
4163 if (--mon->suspend_cnt == 0)
4164 readline_show_prompt(mon->rs);
4165 }
4166
4167 /**
4168 * monitor_control_event(): Print QMP gretting
4169 */
4170 static void monitor_control_event(void *opaque, int event)
4171 {
4172 if (event == CHR_EVENT_OPENED) {
4173 QObject *data;
4174 Monitor *mon = opaque;
4175
4176 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4177
4178 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4179 assert(data != NULL);
4180
4181 monitor_json_emitter(mon, data);
4182 qobject_decref(data);
4183 }
4184 }
4185
4186 static void monitor_event(void *opaque, int event)
4187 {
4188 Monitor *mon = opaque;
4189
4190 switch (event) {
4191 case CHR_EVENT_MUX_IN:
4192 mon->mux_out = 0;
4193 if (mon->reset_seen) {
4194 readline_restart(mon->rs);
4195 monitor_resume(mon);
4196 monitor_flush(mon);
4197 } else {
4198 mon->suspend_cnt = 0;
4199 }
4200 break;
4201
4202 case CHR_EVENT_MUX_OUT:
4203 if (mon->reset_seen) {
4204 if (mon->suspend_cnt == 0) {
4205 monitor_printf(mon, "\n");
4206 }
4207 monitor_flush(mon);
4208 monitor_suspend(mon);
4209 } else {
4210 mon->suspend_cnt++;
4211 }
4212 mon->mux_out = 1;
4213 break;
4214
4215 case CHR_EVENT_OPENED:
4216 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4217 "information\n", QEMU_VERSION);
4218 if (!mon->mux_out) {
4219 readline_show_prompt(mon->rs);
4220 }
4221 mon->reset_seen = 1;
4222 break;
4223 }
4224 }
4225
4226
4227 /*
4228 * Local variables:
4229 * c-indent-level: 4
4230 * c-basic-offset: 4
4231 * tab-width: 8
4232 * End:
4233 */
4234
4235 void monitor_init(CharDriverState *chr, int flags)
4236 {
4237 static int is_first_init = 1;
4238 Monitor *mon;
4239
4240 if (is_first_init) {
4241 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4242 is_first_init = 0;
4243 }
4244
4245 mon = qemu_mallocz(sizeof(*mon));
4246
4247 mon->chr = chr;
4248 mon->flags = flags;
4249 if (flags & MONITOR_USE_READLINE) {
4250 mon->rs = readline_init(mon, monitor_find_completion);
4251 monitor_read_command(mon, 0);
4252 }
4253
4254 if (monitor_ctrl_mode(mon)) {
4255 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4256 /* Control mode requires special handlers */
4257 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4258 monitor_control_event, mon);
4259 } else {
4260 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4261 monitor_event, mon);
4262 }
4263
4264 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4265 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4266 cur_mon = mon;
4267 }
4268
4269 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4270 {
4271 BlockDriverState *bs = opaque;
4272 int ret = 0;
4273
4274 if (bdrv_set_key(bs, password) != 0) {
4275 monitor_printf(mon, "invalid password\n");
4276 ret = -EPERM;
4277 }
4278 if (mon->password_completion_cb)
4279 mon->password_completion_cb(mon->password_opaque, ret);
4280
4281 monitor_read_command(mon, 1);
4282 }
4283
4284 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4285 BlockDriverCompletionFunc *completion_cb,
4286 void *opaque)
4287 {
4288 int err;
4289
4290 if (!bdrv_key_required(bs)) {
4291 if (completion_cb)
4292 completion_cb(opaque, 0);
4293 return;
4294 }
4295
4296 if (monitor_ctrl_mode(mon)) {
4297 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4298 return;
4299 }
4300
4301 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4302 bdrv_get_encrypted_filename(bs));
4303
4304 mon->password_completion_cb = completion_cb;
4305 mon->password_opaque = opaque;
4306
4307 err = monitor_read_password(mon, bdrv_password_cb, bs);
4308
4309 if (err && completion_cb)
4310 completion_cb(opaque, err);
4311 }
4312
4313 typedef struct QemuErrorSink QemuErrorSink;
4314 struct QemuErrorSink {
4315 enum {
4316 ERR_SINK_FILE,
4317 ERR_SINK_MONITOR,
4318 } dest;
4319 union {
4320 FILE *fp;
4321 Monitor *mon;
4322 };
4323 QemuErrorSink *previous;
4324 };
4325
4326 static QemuErrorSink *qemu_error_sink;
4327
4328 void qemu_errors_to_file(FILE *fp)
4329 {
4330 QemuErrorSink *sink;
4331
4332 sink = qemu_mallocz(sizeof(*sink));
4333 sink->dest = ERR_SINK_FILE;
4334 sink->fp = fp;
4335 sink->previous = qemu_error_sink;
4336 qemu_error_sink = sink;
4337 }
4338
4339 void qemu_errors_to_mon(Monitor *mon)
4340 {
4341 QemuErrorSink *sink;
4342
4343 sink = qemu_mallocz(sizeof(*sink));
4344 sink->dest = ERR_SINK_MONITOR;
4345 sink->mon = mon;
4346 sink->previous = qemu_error_sink;
4347 qemu_error_sink = sink;
4348 }
4349
4350 void qemu_errors_to_previous(void)
4351 {
4352 QemuErrorSink *sink;
4353
4354 assert(qemu_error_sink != NULL);
4355 sink = qemu_error_sink;
4356 qemu_error_sink = sink->previous;
4357 qemu_free(sink);
4358 }
4359
4360 void qemu_error(const char *fmt, ...)
4361 {
4362 va_list args;
4363
4364 assert(qemu_error_sink != NULL);
4365 switch (qemu_error_sink->dest) {
4366 case ERR_SINK_FILE:
4367 va_start(args, fmt);
4368 vfprintf(qemu_error_sink->fp, fmt, args);
4369 va_end(args);
4370 break;
4371 case ERR_SINK_MONITOR:
4372 va_start(args, fmt);
4373 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4374 va_end(args);
4375 break;
4376 }
4377 }
4378
4379 void qemu_error_internal(const char *file, int linenr, const char *func,
4380 const char *fmt, ...)
4381 {
4382 va_list va;
4383 QError *qerror;
4384
4385 assert(qemu_error_sink != NULL);
4386
4387 va_start(va, fmt);
4388 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4389 va_end(va);
4390
4391 switch (qemu_error_sink->dest) {
4392 case ERR_SINK_FILE:
4393 qerror_print(qerror);
4394 QDECREF(qerror);
4395 break;
4396 case ERR_SINK_MONITOR:
4397 assert(qemu_error_sink->mon->error == NULL);
4398 qemu_error_sink->mon->error = qerror;
4399 break;
4400 }
4401 }
Qemu copy for testing