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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 ram_addr_t value = qdict_get_int(qdict, "value");
2086 qemu_balloon(value << 20);
2087 }
2088 }
2089
2090 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2091 {
2092 QDict *qdict;
2093
2094 qdict = qobject_to_qdict(data);
2095
2096 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2097 qdict_get_int(qdict, "balloon") >> 20);
2098 }
2099
2100 /**
2101 * do_info_balloon(): Balloon information
2102 *
2103 * Return a QDict with the following information:
2104 *
2105 * - "balloon": current balloon value in bytes
2106 *
2107 * Example:
2108 *
2109 * { "balloon": 1073741824 }
2110 */
2111 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2112 {
2113 ram_addr_t actual;
2114
2115 actual = balloon_get_value();
2116 if (actual != 0) {
2117 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2118 (int64_t) actual);
2119 }
2120 }
2121
2122 static qemu_acl *find_acl(Monitor *mon, const char *name)
2123 {
2124 qemu_acl *acl = qemu_acl_find(name);
2125
2126 if (!acl) {
2127 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2128 }
2129 return acl;
2130 }
2131
2132 static void do_acl_show(Monitor *mon, const QDict *qdict)
2133 {
2134 const char *aclname = qdict_get_str(qdict, "aclname");
2135 qemu_acl *acl = find_acl(mon, aclname);
2136 qemu_acl_entry *entry;
2137 int i = 0;
2138
2139 if (acl) {
2140 monitor_printf(mon, "policy: %s\n",
2141 acl->defaultDeny ? "deny" : "allow");
2142 QTAILQ_FOREACH(entry, &acl->entries, next) {
2143 i++;
2144 monitor_printf(mon, "%d: %s %s\n", i,
2145 entry->deny ? "deny" : "allow", entry->match);
2146 }
2147 }
2148 }
2149
2150 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2151 {
2152 const char *aclname = qdict_get_str(qdict, "aclname");
2153 qemu_acl *acl = find_acl(mon, aclname);
2154
2155 if (acl) {
2156 qemu_acl_reset(acl);
2157 monitor_printf(mon, "acl: removed all rules\n");
2158 }
2159 }
2160
2161 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2162 {
2163 const char *aclname = qdict_get_str(qdict, "aclname");
2164 const char *policy = qdict_get_str(qdict, "policy");
2165 qemu_acl *acl = find_acl(mon, aclname);
2166
2167 if (acl) {
2168 if (strcmp(policy, "allow") == 0) {
2169 acl->defaultDeny = 0;
2170 monitor_printf(mon, "acl: policy set to 'allow'\n");
2171 } else if (strcmp(policy, "deny") == 0) {
2172 acl->defaultDeny = 1;
2173 monitor_printf(mon, "acl: policy set to 'deny'\n");
2174 } else {
2175 monitor_printf(mon, "acl: unknown policy '%s', "
2176 "expected 'deny' or 'allow'\n", policy);
2177 }
2178 }
2179 }
2180
2181 static void do_acl_add(Monitor *mon, const QDict *qdict)
2182 {
2183 const char *aclname = qdict_get_str(qdict, "aclname");
2184 const char *match = qdict_get_str(qdict, "match");
2185 const char *policy = qdict_get_str(qdict, "policy");
2186 int has_index = qdict_haskey(qdict, "index");
2187 int index = qdict_get_try_int(qdict, "index", -1);
2188 qemu_acl *acl = find_acl(mon, aclname);
2189 int deny, ret;
2190
2191 if (acl) {
2192 if (strcmp(policy, "allow") == 0) {
2193 deny = 0;
2194 } else if (strcmp(policy, "deny") == 0) {
2195 deny = 1;
2196 } else {
2197 monitor_printf(mon, "acl: unknown policy '%s', "
2198 "expected 'deny' or 'allow'\n", policy);
2199 return;
2200 }
2201 if (has_index)
2202 ret = qemu_acl_insert(acl, deny, match, index);
2203 else
2204 ret = qemu_acl_append(acl, deny, match);
2205 if (ret < 0)
2206 monitor_printf(mon, "acl: unable to add acl entry\n");
2207 else
2208 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2209 }
2210 }
2211
2212 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2213 {
2214 const char *aclname = qdict_get_str(qdict, "aclname");
2215 const char *match = qdict_get_str(qdict, "match");
2216 qemu_acl *acl = find_acl(mon, aclname);
2217 int ret;
2218
2219 if (acl) {
2220 ret = qemu_acl_remove(acl, match);
2221 if (ret < 0)
2222 monitor_printf(mon, "acl: no matching acl entry\n");
2223 else
2224 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2225 }
2226 }
2227
2228 #if defined(TARGET_I386)
2229 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2230 {
2231 CPUState *cenv;
2232 int cpu_index = qdict_get_int(qdict, "cpu_index");
2233 int bank = qdict_get_int(qdict, "bank");
2234 uint64_t status = qdict_get_int(qdict, "status");
2235 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2236 uint64_t addr = qdict_get_int(qdict, "addr");
2237 uint64_t misc = qdict_get_int(qdict, "misc");
2238
2239 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2240 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2241 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2242 break;
2243 }
2244 }
2245 #endif
2246
2247 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2248 {
2249 const char *fdname = qdict_get_str(qdict, "fdname");
2250 mon_fd_t *monfd;
2251 int fd;
2252
2253 fd = qemu_chr_get_msgfd(mon->chr);
2254 if (fd == -1) {
2255 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2256 return;
2257 }
2258
2259 if (qemu_isdigit(fdname[0])) {
2260 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2261 return;
2262 }
2263
2264 fd = dup(fd);
2265 if (fd == -1) {
2266 if (errno == EMFILE)
2267 qemu_error_new(QERR_TOO_MANY_FILES);
2268 else
2269 qemu_error_new(QERR_UNDEFINED_ERROR);
2270 return;
2271 }
2272
2273 QLIST_FOREACH(monfd, &mon->fds, next) {
2274 if (strcmp(monfd->name, fdname) != 0) {
2275 continue;
2276 }
2277
2278 close(monfd->fd);
2279 monfd->fd = fd;
2280 return;
2281 }
2282
2283 monfd = qemu_mallocz(sizeof(mon_fd_t));
2284 monfd->name = qemu_strdup(fdname);
2285 monfd->fd = fd;
2286
2287 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2288 }
2289
2290 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2291 {
2292 const char *fdname = qdict_get_str(qdict, "fdname");
2293 mon_fd_t *monfd;
2294
2295 QLIST_FOREACH(monfd, &mon->fds, next) {
2296 if (strcmp(monfd->name, fdname) != 0) {
2297 continue;
2298 }
2299
2300 QLIST_REMOVE(monfd, next);
2301 close(monfd->fd);
2302 qemu_free(monfd->name);
2303 qemu_free(monfd);
2304 return;
2305 }
2306
2307 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2308 }
2309
2310 static void do_loadvm(Monitor *mon, const QDict *qdict)
2311 {
2312 int saved_vm_running = vm_running;
2313 const char *name = qdict_get_str(qdict, "name");
2314
2315 vm_stop(0);
2316
2317 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2318 vm_start();
2319 }
2320
2321 int monitor_get_fd(Monitor *mon, const char *fdname)
2322 {
2323 mon_fd_t *monfd;
2324
2325 QLIST_FOREACH(monfd, &mon->fds, next) {
2326 int fd;
2327
2328 if (strcmp(monfd->name, fdname) != 0) {
2329 continue;
2330 }
2331
2332 fd = monfd->fd;
2333
2334 /* caller takes ownership of fd */
2335 QLIST_REMOVE(monfd, next);
2336 qemu_free(monfd->name);
2337 qemu_free(monfd);
2338
2339 return fd;
2340 }
2341
2342 return -1;
2343 }
2344
2345 static const mon_cmd_t mon_cmds[] = {
2346 #include "qemu-monitor.h"
2347 { NULL, NULL, },
2348 };
2349
2350 /* Please update qemu-monitor.hx when adding or changing commands */
2351 static const mon_cmd_t info_cmds[] = {
2352 {
2353 .name = "version",
2354 .args_type = "",
2355 .params = "",
2356 .help = "show the version of QEMU",
2357 .user_print = do_info_version_print,
2358 .mhandler.info_new = do_info_version,
2359 },
2360 {
2361 .name = "commands",
2362 .args_type = "",
2363 .params = "",
2364 .help = "list QMP available commands",
2365 .user_print = monitor_user_noop,
2366 .mhandler.info_new = do_info_commands,
2367 },
2368 {
2369 .name = "network",
2370 .args_type = "",
2371 .params = "",
2372 .help = "show the network state",
2373 .mhandler.info = do_info_network,
2374 },
2375 {
2376 .name = "chardev",
2377 .args_type = "",
2378 .params = "",
2379 .help = "show the character devices",
2380 .user_print = qemu_chr_info_print,
2381 .mhandler.info_new = qemu_chr_info,
2382 },
2383 {
2384 .name = "block",
2385 .args_type = "",
2386 .params = "",
2387 .help = "show the block devices",
2388 .user_print = bdrv_info_print,
2389 .mhandler.info_new = bdrv_info,
2390 },
2391 {
2392 .name = "blockstats",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show block device statistics",
2396 .user_print = bdrv_stats_print,
2397 .mhandler.info_new = bdrv_info_stats,
2398 },
2399 {
2400 .name = "registers",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show the cpu registers",
2404 .mhandler.info = do_info_registers,
2405 },
2406 {
2407 .name = "cpus",
2408 .args_type = "",
2409 .params = "",
2410 .help = "show infos for each CPU",
2411 .user_print = monitor_print_cpus,
2412 .mhandler.info_new = do_info_cpus,
2413 },
2414 {
2415 .name = "history",
2416 .args_type = "",
2417 .params = "",
2418 .help = "show the command line history",
2419 .mhandler.info = do_info_history,
2420 },
2421 {
2422 .name = "irq",
2423 .args_type = "",
2424 .params = "",
2425 .help = "show the interrupts statistics (if available)",
2426 .mhandler.info = irq_info,
2427 },
2428 {
2429 .name = "pic",
2430 .args_type = "",
2431 .params = "",
2432 .help = "show i8259 (PIC) state",
2433 .mhandler.info = pic_info,
2434 },
2435 {
2436 .name = "pci",
2437 .args_type = "",
2438 .params = "",
2439 .help = "show PCI info",
2440 .mhandler.info = pci_info,
2441 },
2442 #if defined(TARGET_I386) || defined(TARGET_SH4)
2443 {
2444 .name = "tlb",
2445 .args_type = "",
2446 .params = "",
2447 .help = "show virtual to physical memory mappings",
2448 .mhandler.info = tlb_info,
2449 },
2450 #endif
2451 #if defined(TARGET_I386)
2452 {
2453 .name = "mem",
2454 .args_type = "",
2455 .params = "",
2456 .help = "show the active virtual memory mappings",
2457 .mhandler.info = mem_info,
2458 },
2459 {
2460 .name = "hpet",
2461 .args_type = "",
2462 .params = "",
2463 .help = "show state of HPET",
2464 .user_print = do_info_hpet_print,
2465 .mhandler.info_new = do_info_hpet,
2466 },
2467 #endif
2468 {
2469 .name = "jit",
2470 .args_type = "",
2471 .params = "",
2472 .help = "show dynamic compiler info",
2473 .mhandler.info = do_info_jit,
2474 },
2475 {
2476 .name = "kvm",
2477 .args_type = "",
2478 .params = "",
2479 .help = "show KVM information",
2480 .user_print = do_info_kvm_print,
2481 .mhandler.info_new = do_info_kvm,
2482 },
2483 {
2484 .name = "numa",
2485 .args_type = "",
2486 .params = "",
2487 .help = "show NUMA information",
2488 .mhandler.info = do_info_numa,
2489 },
2490 {
2491 .name = "usb",
2492 .args_type = "",
2493 .params = "",
2494 .help = "show guest USB devices",
2495 .mhandler.info = usb_info,
2496 },
2497 {
2498 .name = "usbhost",
2499 .args_type = "",
2500 .params = "",
2501 .help = "show host USB devices",
2502 .mhandler.info = usb_host_info,
2503 },
2504 {
2505 .name = "profile",
2506 .args_type = "",
2507 .params = "",
2508 .help = "show profiling information",
2509 .mhandler.info = do_info_profile,
2510 },
2511 {
2512 .name = "capture",
2513 .args_type = "",
2514 .params = "",
2515 .help = "show capture information",
2516 .mhandler.info = do_info_capture,
2517 },
2518 {
2519 .name = "snapshots",
2520 .args_type = "",
2521 .params = "",
2522 .help = "show the currently saved VM snapshots",
2523 .mhandler.info = do_info_snapshots,
2524 },
2525 {
2526 .name = "status",
2527 .args_type = "",
2528 .params = "",
2529 .help = "show the current VM status (running|paused)",
2530 .user_print = do_info_status_print,
2531 .mhandler.info_new = do_info_status,
2532 },
2533 {
2534 .name = "pcmcia",
2535 .args_type = "",
2536 .params = "",
2537 .help = "show guest PCMCIA status",
2538 .mhandler.info = pcmcia_info,
2539 },
2540 {
2541 .name = "mice",
2542 .args_type = "",
2543 .params = "",
2544 .help = "show which guest mouse is receiving events",
2545 .user_print = do_info_mice_print,
2546 .mhandler.info_new = do_info_mice,
2547 },
2548 {
2549 .name = "vnc",
2550 .args_type = "",
2551 .params = "",
2552 .help = "show the vnc server status",
2553 .user_print = do_info_vnc_print,
2554 .mhandler.info_new = do_info_vnc,
2555 },
2556 {
2557 .name = "name",
2558 .args_type = "",
2559 .params = "",
2560 .help = "show the current VM name",
2561 .user_print = do_info_name_print,
2562 .mhandler.info_new = do_info_name,
2563 },
2564 {
2565 .name = "uuid",
2566 .args_type = "",
2567 .params = "",
2568 .help = "show the current VM UUID",
2569 .user_print = do_info_uuid_print,
2570 .mhandler.info_new = do_info_uuid,
2571 },
2572 #if defined(TARGET_PPC)
2573 {
2574 .name = "cpustats",
2575 .args_type = "",
2576 .params = "",
2577 .help = "show CPU statistics",
2578 .mhandler.info = do_info_cpu_stats,
2579 },
2580 #endif
2581 #if defined(CONFIG_SLIRP)
2582 {
2583 .name = "usernet",
2584 .args_type = "",
2585 .params = "",
2586 .help = "show user network stack connection states",
2587 .mhandler.info = do_info_usernet,
2588 },
2589 #endif
2590 {
2591 .name = "migrate",
2592 .args_type = "",
2593 .params = "",
2594 .help = "show migration status",
2595 .user_print = do_info_migrate_print,
2596 .mhandler.info_new = do_info_migrate,
2597 },
2598 {
2599 .name = "balloon",
2600 .args_type = "",
2601 .params = "",
2602 .help = "show balloon information",
2603 .user_print = monitor_print_balloon,
2604 .mhandler.info_new = do_info_balloon,
2605 },
2606 {
2607 .name = "qtree",
2608 .args_type = "",
2609 .params = "",
2610 .help = "show device tree",
2611 .mhandler.info = do_info_qtree,
2612 },
2613 {
2614 .name = "qdm",
2615 .args_type = "",
2616 .params = "",
2617 .help = "show qdev device model list",
2618 .mhandler.info = do_info_qdm,
2619 },
2620 {
2621 .name = "roms",
2622 .args_type = "",
2623 .params = "",
2624 .help = "show roms",
2625 .mhandler.info = do_info_roms,
2626 },
2627 {
2628 .name = NULL,
2629 },
2630 };
2631
2632 /*******************************************************************/
2633
2634 static const char *pch;
2635 static jmp_buf expr_env;
2636
2637 #define MD_TLONG 0
2638 #define MD_I32 1
2639
2640 typedef struct MonitorDef {
2641 const char *name;
2642 int offset;
2643 target_long (*get_value)(const struct MonitorDef *md, int val);
2644 int type;
2645 } MonitorDef;
2646
2647 #if defined(TARGET_I386)
2648 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2649 {
2650 CPUState *env = mon_get_cpu();
2651 if (!env)
2652 return 0;
2653 return env->eip + env->segs[R_CS].base;
2654 }
2655 #endif
2656
2657 #if defined(TARGET_PPC)
2658 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2659 {
2660 CPUState *env = mon_get_cpu();
2661 unsigned int u;
2662 int i;
2663
2664 if (!env)
2665 return 0;
2666
2667 u = 0;
2668 for (i = 0; i < 8; i++)
2669 u |= env->crf[i] << (32 - (4 * i));
2670
2671 return u;
2672 }
2673
2674 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2675 {
2676 CPUState *env = mon_get_cpu();
2677 if (!env)
2678 return 0;
2679 return env->msr;
2680 }
2681
2682 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2683 {
2684 CPUState *env = mon_get_cpu();
2685 if (!env)
2686 return 0;
2687 return env->xer;
2688 }
2689
2690 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2691 {
2692 CPUState *env = mon_get_cpu();
2693 if (!env)
2694 return 0;
2695 return cpu_ppc_load_decr(env);
2696 }
2697
2698 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2699 {
2700 CPUState *env = mon_get_cpu();
2701 if (!env)
2702 return 0;
2703 return cpu_ppc_load_tbu(env);
2704 }
2705
2706 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2707 {
2708 CPUState *env = mon_get_cpu();
2709 if (!env)
2710 return 0;
2711 return cpu_ppc_load_tbl(env);
2712 }
2713 #endif
2714
2715 #if defined(TARGET_SPARC)
2716 #ifndef TARGET_SPARC64
2717 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2718 {
2719 CPUState *env = mon_get_cpu();
2720 if (!env)
2721 return 0;
2722 return GET_PSR(env);
2723 }
2724 #endif
2725
2726 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2727 {
2728 CPUState *env = mon_get_cpu();
2729 if (!env)
2730 return 0;
2731 return env->regwptr[val];
2732 }
2733 #endif
2734
2735 static const MonitorDef monitor_defs[] = {
2736 #ifdef TARGET_I386
2737
2738 #define SEG(name, seg) \
2739 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2740 { name ".base", offsetof(CPUState, segs[seg].base) },\
2741 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2742
2743 { "eax", offsetof(CPUState, regs[0]) },
2744 { "ecx", offsetof(CPUState, regs[1]) },
2745 { "edx", offsetof(CPUState, regs[2]) },
2746 { "ebx", offsetof(CPUState, regs[3]) },
2747 { "esp|sp", offsetof(CPUState, regs[4]) },
2748 { "ebp|fp", offsetof(CPUState, regs[5]) },
2749 { "esi", offsetof(CPUState, regs[6]) },
2750 { "edi", offsetof(CPUState, regs[7]) },
2751 #ifdef TARGET_X86_64
2752 { "r8", offsetof(CPUState, regs[8]) },
2753 { "r9", offsetof(CPUState, regs[9]) },
2754 { "r10", offsetof(CPUState, regs[10]) },
2755 { "r11", offsetof(CPUState, regs[11]) },
2756 { "r12", offsetof(CPUState, regs[12]) },
2757 { "r13", offsetof(CPUState, regs[13]) },
2758 { "r14", offsetof(CPUState, regs[14]) },
2759 { "r15", offsetof(CPUState, regs[15]) },
2760 #endif
2761 { "eflags", offsetof(CPUState, eflags) },
2762 { "eip", offsetof(CPUState, eip) },
2763 SEG("cs", R_CS)
2764 SEG("ds", R_DS)
2765 SEG("es", R_ES)
2766 SEG("ss", R_SS)
2767 SEG("fs", R_FS)
2768 SEG("gs", R_GS)
2769 { "pc", 0, monitor_get_pc, },
2770 #elif defined(TARGET_PPC)
2771 /* General purpose registers */
2772 { "r0", offsetof(CPUState, gpr[0]) },
2773 { "r1", offsetof(CPUState, gpr[1]) },
2774 { "r2", offsetof(CPUState, gpr[2]) },
2775 { "r3", offsetof(CPUState, gpr[3]) },
2776 { "r4", offsetof(CPUState, gpr[4]) },
2777 { "r5", offsetof(CPUState, gpr[5]) },
2778 { "r6", offsetof(CPUState, gpr[6]) },
2779 { "r7", offsetof(CPUState, gpr[7]) },
2780 { "r8", offsetof(CPUState, gpr[8]) },
2781 { "r9", offsetof(CPUState, gpr[9]) },
2782 { "r10", offsetof(CPUState, gpr[10]) },
2783 { "r11", offsetof(CPUState, gpr[11]) },
2784 { "r12", offsetof(CPUState, gpr[12]) },
2785 { "r13", offsetof(CPUState, gpr[13]) },
2786 { "r14", offsetof(CPUState, gpr[14]) },
2787 { "r15", offsetof(CPUState, gpr[15]) },
2788 { "r16", offsetof(CPUState, gpr[16]) },
2789 { "r17", offsetof(CPUState, gpr[17]) },
2790 { "r18", offsetof(CPUState, gpr[18]) },
2791 { "r19", offsetof(CPUState, gpr[19]) },
2792 { "r20", offsetof(CPUState, gpr[20]) },
2793 { "r21", offsetof(CPUState, gpr[21]) },
2794 { "r22", offsetof(CPUState, gpr[22]) },
2795 { "r23", offsetof(CPUState, gpr[23]) },
2796 { "r24", offsetof(CPUState, gpr[24]) },
2797 { "r25", offsetof(CPUState, gpr[25]) },
2798 { "r26", offsetof(CPUState, gpr[26]) },
2799 { "r27", offsetof(CPUState, gpr[27]) },
2800 { "r28", offsetof(CPUState, gpr[28]) },
2801 { "r29", offsetof(CPUState, gpr[29]) },
2802 { "r30", offsetof(CPUState, gpr[30]) },
2803 { "r31", offsetof(CPUState, gpr[31]) },
2804 /* Floating point registers */
2805 { "f0", offsetof(CPUState, fpr[0]) },
2806 { "f1", offsetof(CPUState, fpr[1]) },
2807 { "f2", offsetof(CPUState, fpr[2]) },
2808 { "f3", offsetof(CPUState, fpr[3]) },
2809 { "f4", offsetof(CPUState, fpr[4]) },
2810 { "f5", offsetof(CPUState, fpr[5]) },
2811 { "f6", offsetof(CPUState, fpr[6]) },
2812 { "f7", offsetof(CPUState, fpr[7]) },
2813 { "f8", offsetof(CPUState, fpr[8]) },
2814 { "f9", offsetof(CPUState, fpr[9]) },
2815 { "f10", offsetof(CPUState, fpr[10]) },
2816 { "f11", offsetof(CPUState, fpr[11]) },
2817 { "f12", offsetof(CPUState, fpr[12]) },
2818 { "f13", offsetof(CPUState, fpr[13]) },
2819 { "f14", offsetof(CPUState, fpr[14]) },
2820 { "f15", offsetof(CPUState, fpr[15]) },
2821 { "f16", offsetof(CPUState, fpr[16]) },
2822 { "f17", offsetof(CPUState, fpr[17]) },
2823 { "f18", offsetof(CPUState, fpr[18]) },
2824 { "f19", offsetof(CPUState, fpr[19]) },
2825 { "f20", offsetof(CPUState, fpr[20]) },
2826 { "f21", offsetof(CPUState, fpr[21]) },
2827 { "f22", offsetof(CPUState, fpr[22]) },
2828 { "f23", offsetof(CPUState, fpr[23]) },
2829 { "f24", offsetof(CPUState, fpr[24]) },
2830 { "f25", offsetof(CPUState, fpr[25]) },
2831 { "f26", offsetof(CPUState, fpr[26]) },
2832 { "f27", offsetof(CPUState, fpr[27]) },
2833 { "f28", offsetof(CPUState, fpr[28]) },
2834 { "f29", offsetof(CPUState, fpr[29]) },
2835 { "f30", offsetof(CPUState, fpr[30]) },
2836 { "f31", offsetof(CPUState, fpr[31]) },
2837 { "fpscr", offsetof(CPUState, fpscr) },
2838 /* Next instruction pointer */
2839 { "nip|pc", offsetof(CPUState, nip) },
2840 { "lr", offsetof(CPUState, lr) },
2841 { "ctr", offsetof(CPUState, ctr) },
2842 { "decr", 0, &monitor_get_decr, },
2843 { "ccr", 0, &monitor_get_ccr, },
2844 /* Machine state register */
2845 { "msr", 0, &monitor_get_msr, },
2846 { "xer", 0, &monitor_get_xer, },
2847 { "tbu", 0, &monitor_get_tbu, },
2848 { "tbl", 0, &monitor_get_tbl, },
2849 #if defined(TARGET_PPC64)
2850 /* Address space register */
2851 { "asr", offsetof(CPUState, asr) },
2852 #endif
2853 /* Segment registers */
2854 { "sdr1", offsetof(CPUState, sdr1) },
2855 { "sr0", offsetof(CPUState, sr[0]) },
2856 { "sr1", offsetof(CPUState, sr[1]) },
2857 { "sr2", offsetof(CPUState, sr[2]) },
2858 { "sr3", offsetof(CPUState, sr[3]) },
2859 { "sr4", offsetof(CPUState, sr[4]) },
2860 { "sr5", offsetof(CPUState, sr[5]) },
2861 { "sr6", offsetof(CPUState, sr[6]) },
2862 { "sr7", offsetof(CPUState, sr[7]) },
2863 { "sr8", offsetof(CPUState, sr[8]) },
2864 { "sr9", offsetof(CPUState, sr[9]) },
2865 { "sr10", offsetof(CPUState, sr[10]) },
2866 { "sr11", offsetof(CPUState, sr[11]) },
2867 { "sr12", offsetof(CPUState, sr[12]) },
2868 { "sr13", offsetof(CPUState, sr[13]) },
2869 { "sr14", offsetof(CPUState, sr[14]) },
2870 { "sr15", offsetof(CPUState, sr[15]) },
2871 /* Too lazy to put BATs and SPRs ... */
2872 #elif defined(TARGET_SPARC)
2873 { "g0", offsetof(CPUState, gregs[0]) },
2874 { "g1", offsetof(CPUState, gregs[1]) },
2875 { "g2", offsetof(CPUState, gregs[2]) },
2876 { "g3", offsetof(CPUState, gregs[3]) },
2877 { "g4", offsetof(CPUState, gregs[4]) },
2878 { "g5", offsetof(CPUState, gregs[5]) },
2879 { "g6", offsetof(CPUState, gregs[6]) },
2880 { "g7", offsetof(CPUState, gregs[7]) },
2881 { "o0", 0, monitor_get_reg },
2882 { "o1", 1, monitor_get_reg },
2883 { "o2", 2, monitor_get_reg },
2884 { "o3", 3, monitor_get_reg },
2885 { "o4", 4, monitor_get_reg },
2886 { "o5", 5, monitor_get_reg },
2887 { "o6", 6, monitor_get_reg },
2888 { "o7", 7, monitor_get_reg },
2889 { "l0", 8, monitor_get_reg },
2890 { "l1", 9, monitor_get_reg },
2891 { "l2", 10, monitor_get_reg },
2892 { "l3", 11, monitor_get_reg },
2893 { "l4", 12, monitor_get_reg },
2894 { "l5", 13, monitor_get_reg },
2895 { "l6", 14, monitor_get_reg },
2896 { "l7", 15, monitor_get_reg },
2897 { "i0", 16, monitor_get_reg },
2898 { "i1", 17, monitor_get_reg },
2899 { "i2", 18, monitor_get_reg },
2900 { "i3", 19, monitor_get_reg },
2901 { "i4", 20, monitor_get_reg },
2902 { "i5", 21, monitor_get_reg },
2903 { "i6", 22, monitor_get_reg },
2904 { "i7", 23, monitor_get_reg },
2905 { "pc", offsetof(CPUState, pc) },
2906 { "npc", offsetof(CPUState, npc) },
2907 { "y", offsetof(CPUState, y) },
2908 #ifndef TARGET_SPARC64
2909 { "psr", 0, &monitor_get_psr, },
2910 { "wim", offsetof(CPUState, wim) },
2911 #endif
2912 { "tbr", offsetof(CPUState, tbr) },
2913 { "fsr", offsetof(CPUState, fsr) },
2914 { "f0", offsetof(CPUState, fpr[0]) },
2915 { "f1", offsetof(CPUState, fpr[1]) },
2916 { "f2", offsetof(CPUState, fpr[2]) },
2917 { "f3", offsetof(CPUState, fpr[3]) },
2918 { "f4", offsetof(CPUState, fpr[4]) },
2919 { "f5", offsetof(CPUState, fpr[5]) },
2920 { "f6", offsetof(CPUState, fpr[6]) },
2921 { "f7", offsetof(CPUState, fpr[7]) },
2922 { "f8", offsetof(CPUState, fpr[8]) },
2923 { "f9", offsetof(CPUState, fpr[9]) },
2924 { "f10", offsetof(CPUState, fpr[10]) },
2925 { "f11", offsetof(CPUState, fpr[11]) },
2926 { "f12", offsetof(CPUState, fpr[12]) },
2927 { "f13", offsetof(CPUState, fpr[13]) },
2928 { "f14", offsetof(CPUState, fpr[14]) },
2929 { "f15", offsetof(CPUState, fpr[15]) },
2930 { "f16", offsetof(CPUState, fpr[16]) },
2931 { "f17", offsetof(CPUState, fpr[17]) },
2932 { "f18", offsetof(CPUState, fpr[18]) },
2933 { "f19", offsetof(CPUState, fpr[19]) },
2934 { "f20", offsetof(CPUState, fpr[20]) },
2935 { "f21", offsetof(CPUState, fpr[21]) },
2936 { "f22", offsetof(CPUState, fpr[22]) },
2937 { "f23", offsetof(CPUState, fpr[23]) },
2938 { "f24", offsetof(CPUState, fpr[24]) },
2939 { "f25", offsetof(CPUState, fpr[25]) },
2940 { "f26", offsetof(CPUState, fpr[26]) },
2941 { "f27", offsetof(CPUState, fpr[27]) },
2942 { "f28", offsetof(CPUState, fpr[28]) },
2943 { "f29", offsetof(CPUState, fpr[29]) },
2944 { "f30", offsetof(CPUState, fpr[30]) },
2945 { "f31", offsetof(CPUState, fpr[31]) },
2946 #ifdef TARGET_SPARC64
2947 { "f32", offsetof(CPUState, fpr[32]) },
2948 { "f34", offsetof(CPUState, fpr[34]) },
2949 { "f36", offsetof(CPUState, fpr[36]) },
2950 { "f38", offsetof(CPUState, fpr[38]) },
2951 { "f40", offsetof(CPUState, fpr[40]) },
2952 { "f42", offsetof(CPUState, fpr[42]) },
2953 { "f44", offsetof(CPUState, fpr[44]) },
2954 { "f46", offsetof(CPUState, fpr[46]) },
2955 { "f48", offsetof(CPUState, fpr[48]) },
2956 { "f50", offsetof(CPUState, fpr[50]) },
2957 { "f52", offsetof(CPUState, fpr[52]) },
2958 { "f54", offsetof(CPUState, fpr[54]) },
2959 { "f56", offsetof(CPUState, fpr[56]) },
2960 { "f58", offsetof(CPUState, fpr[58]) },
2961 { "f60", offsetof(CPUState, fpr[60]) },
2962 { "f62", offsetof(CPUState, fpr[62]) },
2963 { "asi", offsetof(CPUState, asi) },
2964 { "pstate", offsetof(CPUState, pstate) },
2965 { "cansave", offsetof(CPUState, cansave) },
2966 { "canrestore", offsetof(CPUState, canrestore) },
2967 { "otherwin", offsetof(CPUState, otherwin) },
2968 { "wstate", offsetof(CPUState, wstate) },
2969 { "cleanwin", offsetof(CPUState, cleanwin) },
2970 { "fprs", offsetof(CPUState, fprs) },
2971 #endif
2972 #endif
2973 { NULL },
2974 };
2975
2976 static void expr_error(Monitor *mon, const char *msg)
2977 {
2978 monitor_printf(mon, "%s\n", msg);
2979 longjmp(expr_env, 1);
2980 }
2981
2982 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2983 static int get_monitor_def(target_long *pval, const char *name)
2984 {
2985 const MonitorDef *md;
2986 void *ptr;
2987
2988 for(md = monitor_defs; md->name != NULL; md++) {
2989 if (compare_cmd(name, md->name)) {
2990 if (md->get_value) {
2991 *pval = md->get_value(md, md->offset);
2992 } else {
2993 CPUState *env = mon_get_cpu();
2994 if (!env)
2995 return -2;
2996 ptr = (uint8_t *)env + md->offset;
2997 switch(md->type) {
2998 case MD_I32:
2999 *pval = *(int32_t *)ptr;
3000 break;
3001 case MD_TLONG:
3002 *pval = *(target_long *)ptr;
3003 break;
3004 default:
3005 *pval = 0;
3006 break;
3007 }
3008 }
3009 return 0;
3010 }
3011 }
3012 return -1;
3013 }
3014
3015 static void next(void)
3016 {
3017 if (*pch != '\0') {
3018 pch++;
3019 while (qemu_isspace(*pch))
3020 pch++;
3021 }
3022 }
3023
3024 static int64_t expr_sum(Monitor *mon);
3025
3026 static int64_t expr_unary(Monitor *mon)
3027 {
3028 int64_t n;
3029 char *p;
3030 int ret;
3031
3032 switch(*pch) {
3033 case '+':
3034 next();
3035 n = expr_unary(mon);
3036 break;
3037 case '-':
3038 next();
3039 n = -expr_unary(mon);
3040 break;
3041 case '~':
3042 next();
3043 n = ~expr_unary(mon);
3044 break;
3045 case '(':
3046 next();
3047 n = expr_sum(mon);
3048 if (*pch != ')') {
3049 expr_error(mon, "')' expected");
3050 }
3051 next();
3052 break;
3053 case '\'':
3054 pch++;
3055 if (*pch == '\0')
3056 expr_error(mon, "character constant expected");
3057 n = *pch;
3058 pch++;
3059 if (*pch != '\'')
3060 expr_error(mon, "missing terminating \' character");
3061 next();
3062 break;
3063 case '$':
3064 {
3065 char buf[128], *q;
3066 target_long reg=0;
3067
3068 pch++;
3069 q = buf;
3070 while ((*pch >= 'a' && *pch <= 'z') ||
3071 (*pch >= 'A' && *pch <= 'Z') ||
3072 (*pch >= '0' && *pch <= '9') ||
3073 *pch == '_' || *pch == '.') {
3074 if ((q - buf) < sizeof(buf) - 1)
3075 *q++ = *pch;
3076 pch++;
3077 }
3078 while (qemu_isspace(*pch))
3079 pch++;
3080 *q = 0;
3081 ret = get_monitor_def(&reg, buf);
3082 if (ret == -1)
3083 expr_error(mon, "unknown register");
3084 else if (ret == -2)
3085 expr_error(mon, "no cpu defined");
3086 n = reg;
3087 }
3088 break;
3089 case '\0':
3090 expr_error(mon, "unexpected end of expression");
3091 n = 0;
3092 break;
3093 default:
3094 #if TARGET_PHYS_ADDR_BITS > 32
3095 n = strtoull(pch, &p, 0);
3096 #else
3097 n = strtoul(pch, &p, 0);
3098 #endif
3099 if (pch == p) {
3100 expr_error(mon, "invalid char in expression");
3101 }
3102 pch = p;
3103 while (qemu_isspace(*pch))
3104 pch++;
3105 break;
3106 }
3107 return n;
3108 }
3109
3110
3111 static int64_t expr_prod(Monitor *mon)
3112 {
3113 int64_t val, val2;
3114 int op;
3115
3116 val = expr_unary(mon);
3117 for(;;) {
3118 op = *pch;
3119 if (op != '*' && op != '/' && op != '%')
3120 break;
3121 next();
3122 val2 = expr_unary(mon);
3123 switch(op) {
3124 default:
3125 case '*':
3126 val *= val2;
3127 break;
3128 case '/':
3129 case '%':
3130 if (val2 == 0)
3131 expr_error(mon, "division by zero");
3132 if (op == '/')
3133 val /= val2;
3134 else
3135 val %= val2;
3136 break;
3137 }
3138 }
3139 return val;
3140 }
3141
3142 static int64_t expr_logic(Monitor *mon)
3143 {
3144 int64_t val, val2;
3145 int op;
3146
3147 val = expr_prod(mon);
3148 for(;;) {
3149 op = *pch;
3150 if (op != '&' && op != '|' && op != '^')
3151 break;
3152 next();
3153 val2 = expr_prod(mon);
3154 switch(op) {
3155 default:
3156 case '&':
3157 val &= val2;
3158 break;
3159 case '|':
3160 val |= val2;
3161 break;
3162 case '^':
3163 val ^= val2;
3164 break;
3165 }
3166 }
3167 return val;
3168 }
3169
3170 static int64_t expr_sum(Monitor *mon)
3171 {
3172 int64_t val, val2;
3173 int op;
3174
3175 val = expr_logic(mon);
3176 for(;;) {
3177 op = *pch;
3178 if (op != '+' && op != '-')
3179 break;
3180 next();
3181 val2 = expr_logic(mon);
3182 if (op == '+')
3183 val += val2;
3184 else
3185 val -= val2;
3186 }
3187 return val;
3188 }
3189
3190 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3191 {
3192 pch = *pp;
3193 if (setjmp(expr_env)) {
3194 *pp = pch;
3195 return -1;
3196 }
3197 while (qemu_isspace(*pch))
3198 pch++;
3199 *pval = expr_sum(mon);
3200 *pp = pch;
3201 return 0;
3202 }
3203
3204 static int get_str(char *buf, int buf_size, const char **pp)
3205 {
3206 const char *p;
3207 char *q;
3208 int c;
3209
3210 q = buf;
3211 p = *pp;
3212 while (qemu_isspace(*p))
3213 p++;
3214 if (*p == '\0') {
3215 fail:
3216 *q = '\0';
3217 *pp = p;
3218 return -1;
3219 }
3220 if (*p == '\"') {
3221 p++;
3222 while (*p != '\0' && *p != '\"') {
3223 if (*p == '\\') {
3224 p++;
3225 c = *p++;
3226 switch(c) {
3227 case 'n':
3228 c = '\n';
3229 break;
3230 case 'r':
3231 c = '\r';
3232 break;
3233 case '\\':
3234 case '\'':
3235 case '\"':
3236 break;
3237 default:
3238 qemu_printf("unsupported escape code: '\\%c'\n", c);
3239 goto fail;
3240 }
3241 if ((q - buf) < buf_size - 1) {
3242 *q++ = c;
3243 }
3244 } else {
3245 if ((q - buf) < buf_size - 1) {
3246 *q++ = *p;
3247 }
3248 p++;
3249 }
3250 }
3251 if (*p != '\"') {
3252 qemu_printf("unterminated string\n");
3253 goto fail;
3254 }
3255 p++;
3256 } else {
3257 while (*p != '\0' && !qemu_isspace(*p)) {
3258 if ((q - buf) < buf_size - 1) {
3259 *q++ = *p;
3260 }
3261 p++;
3262 }
3263 }
3264 *q = '\0';
3265 *pp = p;
3266 return 0;
3267 }
3268
3269 /*
3270 * Store the command-name in cmdname, and return a pointer to
3271 * the remaining of the command string.
3272 */
3273 static const char *get_command_name(const char *cmdline,
3274 char *cmdname, size_t nlen)
3275 {
3276 size_t len;
3277 const char *p, *pstart;
3278
3279 p = cmdline;
3280 while (qemu_isspace(*p))
3281 p++;
3282 if (*p == '\0')
3283 return NULL;
3284 pstart = p;
3285 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3286 p++;
3287 len = p - pstart;
3288 if (len > nlen - 1)
3289 len = nlen - 1;
3290 memcpy(cmdname, pstart, len);
3291 cmdname[len] = '\0';
3292 return p;
3293 }
3294
3295 /**
3296 * Read key of 'type' into 'key' and return the current
3297 * 'type' pointer.
3298 */
3299 static char *key_get_info(const char *type, char **key)
3300 {
3301 size_t len;
3302 char *p, *str;
3303
3304 if (*type == ',')
3305 type++;
3306
3307 p = strchr(type, ':');
3308 if (!p) {
3309 *key = NULL;
3310 return NULL;
3311 }
3312 len = p - type;
3313
3314 str = qemu_malloc(len + 1);
3315 memcpy(str, type, len);
3316 str[len] = '\0';
3317
3318 *key = str;
3319 return ++p;
3320 }
3321
3322 static int default_fmt_format = 'x';
3323 static int default_fmt_size = 4;
3324
3325 #define MAX_ARGS 16
3326
3327 static int is_valid_option(const char *c, const char *typestr)
3328 {
3329 char option[3];
3330
3331 option[0] = '-';
3332 option[1] = *c;
3333 option[2] = '\0';
3334
3335 typestr = strstr(typestr, option);
3336 return (typestr != NULL);
3337 }
3338
3339 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3340 {
3341 const mon_cmd_t *cmd;
3342
3343 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3344 if (compare_cmd(cmdname, cmd->name)) {
3345 return cmd;
3346 }
3347 }
3348
3349 return NULL;
3350 }
3351
3352 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3353 const char *cmdline,
3354 QDict *qdict)
3355 {
3356 const char *p, *typestr;
3357 int c;
3358 const mon_cmd_t *cmd;
3359 char cmdname[256];
3360 char buf[1024];
3361 char *key;
3362
3363 #ifdef DEBUG
3364 monitor_printf(mon, "command='%s'\n", cmdline);
3365 #endif
3366
3367 /* extract the command name */
3368 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3369 if (!p)
3370 return NULL;
3371
3372 cmd = monitor_find_command(cmdname);
3373 if (!cmd) {
3374 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3375 return NULL;
3376 }
3377
3378 /* parse the parameters */
3379 typestr = cmd->args_type;
3380 for(;;) {
3381 typestr = key_get_info(typestr, &key);
3382 if (!typestr)
3383 break;
3384 c = *typestr;
3385 typestr++;
3386 switch(c) {
3387 case 'F':
3388 case 'B':
3389 case 's':
3390 {
3391 int ret;
3392
3393 while (qemu_isspace(*p))
3394 p++;
3395 if (*typestr == '?') {
3396 typestr++;
3397 if (*p == '\0') {
3398 /* no optional string: NULL argument */
3399 break;
3400 }
3401 }
3402 ret = get_str(buf, sizeof(buf), &p);
3403 if (ret < 0) {
3404 switch(c) {
3405 case 'F':
3406 monitor_printf(mon, "%s: filename expected\n",
3407 cmdname);
3408 break;
3409 case 'B':
3410 monitor_printf(mon, "%s: block device name expected\n",
3411 cmdname);
3412 break;
3413 default:
3414 monitor_printf(mon, "%s: string expected\n", cmdname);
3415 break;
3416 }
3417 goto fail;
3418 }
3419 qdict_put(qdict, key, qstring_from_str(buf));
3420 }
3421 break;
3422 case '/':
3423 {
3424 int count, format, size;
3425
3426 while (qemu_isspace(*p))
3427 p++;
3428 if (*p == '/') {
3429 /* format found */
3430 p++;
3431 count = 1;
3432 if (qemu_isdigit(*p)) {
3433 count = 0;
3434 while (qemu_isdigit(*p)) {
3435 count = count * 10 + (*p - '0');
3436 p++;
3437 }
3438 }
3439 size = -1;
3440 format = -1;
3441 for(;;) {
3442 switch(*p) {
3443 case 'o':
3444 case 'd':
3445 case 'u':
3446 case 'x':
3447 case 'i':
3448 case 'c':
3449 format = *p++;
3450 break;
3451 case 'b':
3452 size = 1;
3453 p++;
3454 break;
3455 case 'h':
3456 size = 2;
3457 p++;
3458 break;
3459 case 'w':
3460 size = 4;
3461 p++;
3462 break;
3463 case 'g':
3464 case 'L':
3465 size = 8;
3466 p++;
3467 break;
3468 default:
3469 goto next;
3470 }
3471 }
3472 next:
3473 if (*p != '\0' && !qemu_isspace(*p)) {
3474 monitor_printf(mon, "invalid char in format: '%c'\n",
3475 *p);
3476 goto fail;
3477 }
3478 if (format < 0)
3479 format = default_fmt_format;
3480 if (format != 'i') {
3481 /* for 'i', not specifying a size gives -1 as size */
3482 if (size < 0)
3483 size = default_fmt_size;
3484 default_fmt_size = size;
3485 }
3486 default_fmt_format = format;
3487 } else {
3488 count = 1;
3489 format = default_fmt_format;
3490 if (format != 'i') {
3491 size = default_fmt_size;
3492 } else {
3493 size = -1;
3494 }
3495 }
3496 qdict_put(qdict, "count", qint_from_int(count));
3497 qdict_put(qdict, "format", qint_from_int(format));
3498 qdict_put(qdict, "size", qint_from_int(size));
3499 }
3500 break;
3501 case 'i':
3502 case 'l':
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 }
3534 qdict_put(qdict, key, qint_from_int(val));
3535 }
3536 break;
3537 case '-':
3538 {
3539 const char *tmp = p;
3540 int has_option, skip_key = 0;
3541 /* option */
3542
3543 c = *typestr++;
3544 if (c == '\0')
3545 goto bad_type;
3546 while (qemu_isspace(*p))
3547 p++;
3548 has_option = 0;
3549 if (*p == '-') {
3550 p++;
3551 if(c != *p) {
3552 if(!is_valid_option(p, typestr)) {
3553
3554 monitor_printf(mon, "%s: unsupported option -%c\n",
3555 cmdname, *p);
3556 goto fail;
3557 } else {
3558 skip_key = 1;
3559 }
3560 }
3561 if(skip_key) {
3562 p = tmp;
3563 } else {
3564 p++;
3565 has_option = 1;
3566 }
3567 }
3568 qdict_put(qdict, key, qint_from_int(has_option));
3569 }
3570 break;
3571 default:
3572 bad_type:
3573 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3574 goto fail;
3575 }
3576 qemu_free(key);
3577 key = NULL;
3578 }
3579 /* check that all arguments were parsed */
3580 while (qemu_isspace(*p))
3581 p++;
3582 if (*p != '\0') {
3583 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3584 cmdname);
3585 goto fail;
3586 }
3587
3588 return cmd;
3589
3590 fail:
3591 qemu_free(key);
3592 return NULL;
3593 }
3594
3595 static void monitor_print_error(Monitor *mon)
3596 {
3597 qerror_print(mon->error);
3598 QDECREF(mon->error);
3599 mon->error = NULL;
3600 }
3601
3602 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3603 const QDict *params)
3604 {
3605 QObject *data = NULL;
3606
3607 cmd->mhandler.cmd_new(mon, params, &data);
3608
3609 if (monitor_ctrl_mode(mon)) {
3610 /* Monitor Protocol */
3611 monitor_protocol_emitter(mon, data);
3612 } else {
3613 /* User Protocol */
3614 if (data)
3615 cmd->user_print(mon, data);
3616 }
3617
3618 qobject_decref(data);
3619 }
3620
3621 static void handle_user_command(Monitor *mon, const char *cmdline)
3622 {
3623 QDict *qdict;
3624 const mon_cmd_t *cmd;
3625
3626 qdict = qdict_new();
3627
3628 cmd = monitor_parse_command(mon, cmdline, qdict);
3629 if (!cmd)
3630 goto out;
3631
3632 qemu_errors_to_mon(mon);
3633
3634 if (monitor_handler_ported(cmd)) {
3635 monitor_call_handler(mon, cmd, qdict);
3636 } else {
3637 cmd->mhandler.cmd(mon, qdict);
3638 }
3639
3640 if (monitor_has_error(mon))
3641 monitor_print_error(mon);
3642
3643 qemu_errors_to_previous();
3644
3645 out:
3646 QDECREF(qdict);
3647 }
3648
3649 static void cmd_completion(const char *name, const char *list)
3650 {
3651 const char *p, *pstart;
3652 char cmd[128];
3653 int len;
3654
3655 p = list;
3656 for(;;) {
3657 pstart = p;
3658 p = strchr(p, '|');
3659 if (!p)
3660 p = pstart + strlen(pstart);
3661 len = p - pstart;
3662 if (len > sizeof(cmd) - 2)
3663 len = sizeof(cmd) - 2;
3664 memcpy(cmd, pstart, len);
3665 cmd[len] = '\0';
3666 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3667 readline_add_completion(cur_mon->rs, cmd);
3668 }
3669 if (*p == '\0')
3670 break;
3671 p++;
3672 }
3673 }
3674
3675 static void file_completion(const char *input)
3676 {
3677 DIR *ffs;
3678 struct dirent *d;
3679 char path[1024];
3680 char file[1024], file_prefix[1024];
3681 int input_path_len;
3682 const char *p;
3683
3684 p = strrchr(input, '/');
3685 if (!p) {
3686 input_path_len = 0;
3687 pstrcpy(file_prefix, sizeof(file_prefix), input);
3688 pstrcpy(path, sizeof(path), ".");
3689 } else {
3690 input_path_len = p - input + 1;
3691 memcpy(path, input, input_path_len);
3692 if (input_path_len > sizeof(path) - 1)
3693 input_path_len = sizeof(path) - 1;
3694 path[input_path_len] = '\0';
3695 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3696 }
3697 #ifdef DEBUG_COMPLETION
3698 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3699 input, path, file_prefix);
3700 #endif
3701 ffs = opendir(path);
3702 if (!ffs)
3703 return;
3704 for(;;) {
3705 struct stat sb;
3706 d = readdir(ffs);
3707 if (!d)
3708 break;
3709 if (strstart(d->d_name, file_prefix, NULL)) {
3710 memcpy(file, input, input_path_len);
3711 if (input_path_len < sizeof(file))
3712 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3713 d->d_name);
3714 /* stat the file to find out if it's a directory.
3715 * In that case add a slash to speed up typing long paths
3716 */
3717 stat(file, &sb);
3718 if(S_ISDIR(sb.st_mode))
3719 pstrcat(file, sizeof(file), "/");
3720 readline_add_completion(cur_mon->rs, file);
3721 }
3722 }
3723 closedir(ffs);
3724 }
3725
3726 static void block_completion_it(void *opaque, BlockDriverState *bs)
3727 {
3728 const char *name = bdrv_get_device_name(bs);
3729 const char *input = opaque;
3730
3731 if (input[0] == '\0' ||
3732 !strncmp(name, (char *)input, strlen(input))) {
3733 readline_add_completion(cur_mon->rs, name);
3734 }
3735 }
3736
3737 /* NOTE: this parser is an approximate form of the real command parser */
3738 static void parse_cmdline(const char *cmdline,
3739 int *pnb_args, char **args)
3740 {
3741 const char *p;
3742 int nb_args, ret;
3743 char buf[1024];
3744
3745 p = cmdline;
3746 nb_args = 0;
3747 for(;;) {
3748 while (qemu_isspace(*p))
3749 p++;
3750 if (*p == '\0')
3751 break;
3752 if (nb_args >= MAX_ARGS)
3753 break;
3754 ret = get_str(buf, sizeof(buf), &p);
3755 args[nb_args] = qemu_strdup(buf);
3756 nb_args++;
3757 if (ret < 0)
3758 break;
3759 }
3760 *pnb_args = nb_args;
3761 }
3762
3763 static const char *next_arg_type(const char *typestr)
3764 {
3765 const char *p = strchr(typestr, ':');
3766 return (p != NULL ? ++p : typestr);
3767 }
3768
3769 static void monitor_find_completion(const char *cmdline)
3770 {
3771 const char *cmdname;
3772 char *args[MAX_ARGS];
3773 int nb_args, i, len;
3774 const char *ptype, *str;
3775 const mon_cmd_t *cmd;
3776 const KeyDef *key;
3777
3778 parse_cmdline(cmdline, &nb_args, args);
3779 #ifdef DEBUG_COMPLETION
3780 for(i = 0; i < nb_args; i++) {
3781 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3782 }
3783 #endif
3784
3785 /* if the line ends with a space, it means we want to complete the
3786 next arg */
3787 len = strlen(cmdline);
3788 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3789 if (nb_args >= MAX_ARGS)
3790 return;
3791 args[nb_args++] = qemu_strdup("");
3792 }
3793 if (nb_args <= 1) {
3794 /* command completion */
3795 if (nb_args == 0)
3796 cmdname = "";
3797 else
3798 cmdname = args[0];
3799 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3800 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3801 cmd_completion(cmdname, cmd->name);
3802 }
3803 } else {
3804 /* find the command */
3805 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3806 if (compare_cmd(args[0], cmd->name))
3807 goto found;
3808 }
3809 return;
3810 found:
3811 ptype = next_arg_type(cmd->args_type);
3812 for(i = 0; i < nb_args - 2; i++) {
3813 if (*ptype != '\0') {
3814 ptype = next_arg_type(ptype);
3815 while (*ptype == '?')
3816 ptype = next_arg_type(ptype);
3817 }
3818 }
3819 str = args[nb_args - 1];
3820 if (*ptype == '-' && ptype[1] != '\0') {
3821 ptype += 2;
3822 }
3823 switch(*ptype) {
3824 case 'F':
3825 /* file completion */
3826 readline_set_completion_index(cur_mon->rs, strlen(str));
3827 file_completion(str);
3828 break;
3829 case 'B':
3830 /* block device name completion */
3831 readline_set_completion_index(cur_mon->rs, strlen(str));
3832 bdrv_iterate(block_completion_it, (void *)str);
3833 break;
3834 case 's':
3835 /* XXX: more generic ? */
3836 if (!strcmp(cmd->name, "info")) {
3837 readline_set_completion_index(cur_mon->rs, strlen(str));
3838 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3839 cmd_completion(str, cmd->name);
3840 }
3841 } else if (!strcmp(cmd->name, "sendkey")) {
3842 char *sep = strrchr(str, '-');
3843 if (sep)
3844 str = sep + 1;
3845 readline_set_completion_index(cur_mon->rs, strlen(str));
3846 for(key = key_defs; key->name != NULL; key++) {
3847 cmd_completion(str, key->name);
3848 }
3849 } else if (!strcmp(cmd->name, "help|?")) {
3850 readline_set_completion_index(cur_mon->rs, strlen(str));
3851 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3852 cmd_completion(str, cmd->name);
3853 }
3854 }
3855 break;
3856 default:
3857 break;
3858 }
3859 }
3860 for(i = 0; i < nb_args; i++)
3861 qemu_free(args[i]);
3862 }
3863
3864 static int monitor_can_read(void *opaque)
3865 {
3866 Monitor *mon = opaque;
3867
3868 return (mon->suspend_cnt == 0) ? 1 : 0;
3869 }
3870
3871 typedef struct CmdArgs {
3872 QString *name;
3873 int type;
3874 int flag;
3875 int optional;
3876 } CmdArgs;
3877
3878 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3879 {
3880 if (!cmd_args->optional) {
3881 qemu_error_new(QERR_MISSING_PARAMETER, name);
3882 return -1;
3883 }
3884
3885 if (cmd_args->type == '-') {
3886 /* handlers expect a value, they need to be changed */
3887 qdict_put(args, name, qint_from_int(0));
3888 }
3889
3890 return 0;
3891 }
3892
3893 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3894 {
3895 QObject *value;
3896 const char *name;
3897
3898 name = qstring_get_str(cmd_args->name);
3899
3900 if (!args) {
3901 return check_opt(cmd_args, name, args);
3902 }
3903
3904 value = qdict_get(args, name);
3905 if (!value) {
3906 return check_opt(cmd_args, name, args);
3907 }
3908
3909 switch (cmd_args->type) {
3910 case 'F':
3911 case 'B':
3912 case 's':
3913 if (qobject_type(value) != QTYPE_QSTRING) {
3914 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3915 return -1;
3916 }
3917 break;
3918 case '/': {
3919 int i;
3920 const char *keys[] = { "count", "format", "size", NULL };
3921
3922 for (i = 0; keys[i]; i++) {
3923 QObject *obj = qdict_get(args, keys[i]);
3924 if (!obj) {
3925 qemu_error_new(QERR_MISSING_PARAMETER, name);
3926 return -1;
3927 }
3928 if (qobject_type(obj) != QTYPE_QINT) {
3929 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3930 return -1;
3931 }
3932 }
3933 break;
3934 }
3935 case 'i':
3936 case 'l':
3937 if (qobject_type(value) != QTYPE_QINT) {
3938 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3939 return -1;
3940 }
3941 break;
3942 case '-':
3943 if (qobject_type(value) != QTYPE_QINT &&
3944 qobject_type(value) != QTYPE_QBOOL) {
3945 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3946 return -1;
3947 }
3948 if (qobject_type(value) == QTYPE_QBOOL) {
3949 /* handlers expect a QInt, they need to be changed */
3950 qdict_put(args, name,
3951 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3952 }
3953 break;
3954 default:
3955 /* impossible */
3956 abort();
3957 }
3958
3959 return 0;
3960 }
3961
3962 static void cmd_args_init(CmdArgs *cmd_args)
3963 {
3964 cmd_args->name = qstring_new();
3965 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3966 }
3967
3968 /*
3969 * This is not trivial, we have to parse Monitor command's argument
3970 * type syntax to be able to check the arguments provided by clients.
3971 *
3972 * In the near future we will be using an array for that and will be
3973 * able to drop all this parsing...
3974 */
3975 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3976 {
3977 int err;
3978 const char *p;
3979 CmdArgs cmd_args;
3980
3981 if (cmd->args_type == NULL) {
3982 return (qdict_size(args) == 0 ? 0 : -1);
3983 }
3984
3985 err = 0;
3986 cmd_args_init(&cmd_args);
3987
3988 for (p = cmd->args_type;; p++) {
3989 if (*p == ':') {
3990 cmd_args.type = *++p;
3991 p++;
3992 if (cmd_args.type == '-') {
3993 cmd_args.flag = *p++;
3994 cmd_args.optional = 1;
3995 } else if (*p == '?') {
3996 cmd_args.optional = 1;
3997 p++;
3998 }
3999
4000 assert(*p == ',' || *p == '\0');
4001 err = check_arg(&cmd_args, args);
4002
4003 QDECREF(cmd_args.name);
4004 cmd_args_init(&cmd_args);
4005
4006 if (err < 0) {
4007 break;
4008 }
4009 } else {
4010 qstring_append_chr(cmd_args.name, *p);
4011 }
4012
4013 if (*p == '\0') {
4014 break;
4015 }
4016 }
4017
4018 QDECREF(cmd_args.name);
4019 return err;
4020 }
4021
4022 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4023 {
4024 int err;
4025 QObject *obj;
4026 QDict *input, *args;
4027 const mon_cmd_t *cmd;
4028 Monitor *mon = cur_mon;
4029 const char *cmd_name, *info_item;
4030
4031 args = NULL;
4032 qemu_errors_to_mon(mon);
4033
4034 obj = json_parser_parse(tokens, NULL);
4035 if (!obj) {
4036 // FIXME: should be triggered in json_parser_parse()
4037 qemu_error_new(QERR_JSON_PARSING);
4038 goto err_out;
4039 } else if (qobject_type(obj) != QTYPE_QDICT) {
4040 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4041 qobject_decref(obj);
4042 goto err_out;
4043 }
4044
4045 input = qobject_to_qdict(obj);
4046
4047 mon->mc->id = qdict_get(input, "id");
4048 qobject_incref(mon->mc->id);
4049
4050 obj = qdict_get(input, "execute");
4051 if (!obj) {
4052 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4053 goto err_input;
4054 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4055 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4056 goto err_input;
4057 }
4058
4059 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4060
4061 /*
4062 * XXX: We need this special case until we get info handlers
4063 * converted into 'query-' commands
4064 */
4065 if (compare_cmd(cmd_name, "info")) {
4066 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4067 goto err_input;
4068 } else if (strstart(cmd_name, "query-", &info_item)) {
4069 cmd = monitor_find_command("info");
4070 qdict_put_obj(input, "arguments",
4071 qobject_from_jsonf("{ 'item': %s }", info_item));
4072 } else {
4073 cmd = monitor_find_command(cmd_name);
4074 if (!cmd || !monitor_handler_ported(cmd)) {
4075 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4076 goto err_input;
4077 }
4078 }
4079
4080 obj = qdict_get(input, "arguments");
4081 if (!obj) {
4082 args = qdict_new();
4083 } else {
4084 args = qobject_to_qdict(obj);
4085 QINCREF(args);
4086 }
4087
4088 QDECREF(input);
4089
4090 err = monitor_check_qmp_args(cmd, args);
4091 if (err < 0) {
4092 goto err_out;
4093 }
4094
4095 monitor_call_handler(mon, cmd, args);
4096 goto out;
4097
4098 err_input:
4099 QDECREF(input);
4100 err_out:
4101 monitor_protocol_emitter(mon, NULL);
4102 out:
4103 QDECREF(args);
4104 qemu_errors_to_previous();
4105 }
4106
4107 /**
4108 * monitor_control_read(): Read and handle QMP input
4109 */
4110 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4111 {
4112 Monitor *old_mon = cur_mon;
4113
4114 cur_mon = opaque;
4115
4116 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4117
4118 cur_mon = old_mon;
4119 }
4120
4121 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4122 {
4123 Monitor *old_mon = cur_mon;
4124 int i;
4125
4126 cur_mon = opaque;
4127
4128 if (cur_mon->rs) {
4129 for (i = 0; i < size; i++)
4130 readline_handle_byte(cur_mon->rs, buf[i]);
4131 } else {
4132 if (size == 0 || buf[size - 1] != 0)
4133 monitor_printf(cur_mon, "corrupted command\n");
4134 else
4135 handle_user_command(cur_mon, (char *)buf);
4136 }
4137
4138 cur_mon = old_mon;
4139 }
4140
4141 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4142 {
4143 monitor_suspend(mon);
4144 handle_user_command(mon, cmdline);
4145 monitor_resume(mon);
4146 }
4147
4148 int monitor_suspend(Monitor *mon)
4149 {
4150 if (!mon->rs)
4151 return -ENOTTY;
4152 mon->suspend_cnt++;
4153 return 0;
4154 }
4155
4156 void monitor_resume(Monitor *mon)
4157 {
4158 if (!mon->rs)
4159 return;
4160 if (--mon->suspend_cnt == 0)
4161 readline_show_prompt(mon->rs);
4162 }
4163
4164 /**
4165 * monitor_control_event(): Print QMP gretting
4166 */
4167 static void monitor_control_event(void *opaque, int event)
4168 {
4169 if (event == CHR_EVENT_OPENED) {
4170 QObject *data;
4171 Monitor *mon = opaque;
4172
4173 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4174
4175 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4176 assert(data != NULL);
4177
4178 monitor_json_emitter(mon, data);
4179 qobject_decref(data);
4180 }
4181 }
4182
4183 static void monitor_event(void *opaque, int event)
4184 {
4185 Monitor *mon = opaque;
4186
4187 switch (event) {
4188 case CHR_EVENT_MUX_IN:
4189 mon->mux_out = 0;
4190 if (mon->reset_seen) {
4191 readline_restart(mon->rs);
4192 monitor_resume(mon);
4193 monitor_flush(mon);
4194 } else {
4195 mon->suspend_cnt = 0;
4196 }
4197 break;
4198
4199 case CHR_EVENT_MUX_OUT:
4200 if (mon->reset_seen) {
4201 if (mon->suspend_cnt == 0) {
4202 monitor_printf(mon, "\n");
4203 }
4204 monitor_flush(mon);
4205 monitor_suspend(mon);
4206 } else {
4207 mon->suspend_cnt++;
4208 }
4209 mon->mux_out = 1;
4210 break;
4211
4212 case CHR_EVENT_OPENED:
4213 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4214 "information\n", QEMU_VERSION);
4215 if (!mon->mux_out) {
4216 readline_show_prompt(mon->rs);
4217 }
4218 mon->reset_seen = 1;
4219 break;
4220 }
4221 }
4222
4223
4224 /*
4225 * Local variables:
4226 * c-indent-level: 4
4227 * c-basic-offset: 4
4228 * tab-width: 8
4229 * End:
4230 */
4231
4232 void monitor_init(CharDriverState *chr, int flags)
4233 {
4234 static int is_first_init = 1;
4235 Monitor *mon;
4236
4237 if (is_first_init) {
4238 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4239 is_first_init = 0;
4240 }
4241
4242 mon = qemu_mallocz(sizeof(*mon));
4243
4244 mon->chr = chr;
4245 mon->flags = flags;
4246 if (flags & MONITOR_USE_READLINE) {
4247 mon->rs = readline_init(mon, monitor_find_completion);
4248 monitor_read_command(mon, 0);
4249 }
4250
4251 if (monitor_ctrl_mode(mon)) {
4252 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4253 /* Control mode requires special handlers */
4254 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4255 monitor_control_event, mon);
4256 } else {
4257 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4258 monitor_event, mon);
4259 }
4260
4261 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4262 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4263 cur_mon = mon;
4264 }
4265
4266 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4267 {
4268 BlockDriverState *bs = opaque;
4269 int ret = 0;
4270
4271 if (bdrv_set_key(bs, password) != 0) {
4272 monitor_printf(mon, "invalid password\n");
4273 ret = -EPERM;
4274 }
4275 if (mon->password_completion_cb)
4276 mon->password_completion_cb(mon->password_opaque, ret);
4277
4278 monitor_read_command(mon, 1);
4279 }
4280
4281 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4282 BlockDriverCompletionFunc *completion_cb,
4283 void *opaque)
4284 {
4285 int err;
4286
4287 if (!bdrv_key_required(bs)) {
4288 if (completion_cb)
4289 completion_cb(opaque, 0);
4290 return;
4291 }
4292
4293 if (monitor_ctrl_mode(mon)) {
4294 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4295 return;
4296 }
4297
4298 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4299 bdrv_get_encrypted_filename(bs));
4300
4301 mon->password_completion_cb = completion_cb;
4302 mon->password_opaque = opaque;
4303
4304 err = monitor_read_password(mon, bdrv_password_cb, bs);
4305
4306 if (err && completion_cb)
4307 completion_cb(opaque, err);
4308 }
4309
4310 typedef struct QemuErrorSink QemuErrorSink;
4311 struct QemuErrorSink {
4312 enum {
4313 ERR_SINK_FILE,
4314 ERR_SINK_MONITOR,
4315 } dest;
4316 union {
4317 FILE *fp;
4318 Monitor *mon;
4319 };
4320 QemuErrorSink *previous;
4321 };
4322
4323 static QemuErrorSink *qemu_error_sink;
4324
4325 void qemu_errors_to_file(FILE *fp)
4326 {
4327 QemuErrorSink *sink;
4328
4329 sink = qemu_mallocz(sizeof(*sink));
4330 sink->dest = ERR_SINK_FILE;
4331 sink->fp = fp;
4332 sink->previous = qemu_error_sink;
4333 qemu_error_sink = sink;
4334 }
4335
4336 void qemu_errors_to_mon(Monitor *mon)
4337 {
4338 QemuErrorSink *sink;
4339
4340 sink = qemu_mallocz(sizeof(*sink));
4341 sink->dest = ERR_SINK_MONITOR;
4342 sink->mon = mon;
4343 sink->previous = qemu_error_sink;
4344 qemu_error_sink = sink;
4345 }
4346
4347 void qemu_errors_to_previous(void)
4348 {
4349 QemuErrorSink *sink;
4350
4351 assert(qemu_error_sink != NULL);
4352 sink = qemu_error_sink;
4353 qemu_error_sink = sink->previous;
4354 qemu_free(sink);
4355 }
4356
4357 void qemu_error(const char *fmt, ...)
4358 {
4359 va_list args;
4360
4361 assert(qemu_error_sink != NULL);
4362 switch (qemu_error_sink->dest) {
4363 case ERR_SINK_FILE:
4364 va_start(args, fmt);
4365 vfprintf(qemu_error_sink->fp, fmt, args);
4366 va_end(args);
4367 break;
4368 case ERR_SINK_MONITOR:
4369 va_start(args, fmt);
4370 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4371 va_end(args);
4372 break;
4373 }
4374 }
4375
4376 void qemu_error_internal(const char *file, int linenr, const char *func,
4377 const char *fmt, ...)
4378 {
4379 va_list va;
4380 QError *qerror;
4381
4382 assert(qemu_error_sink != NULL);
4383
4384 va_start(va, fmt);
4385 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4386 va_end(va);
4387
4388 switch (qemu_error_sink->dest) {
4389 case ERR_SINK_FILE:
4390 qerror_print(qerror);
4391 QDECREF(qerror);
4392 break;
4393 case ERR_SINK_MONITOR:
4394 assert(qemu_error_sink->mon->error == NULL);
4395 qemu_error_sink->mon->error = qerror;
4396 break;
4397 }
4398 }
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