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msix: function mask support
[qemu/aliguori-queue.git] / monitor.c
blobba76f3416d611e4abd71a9b44b75c23228c36e08
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58 #include "osdep.h"
59
60 //#define DEBUG
61 //#define DEBUG_COMPLETION
62
63 /*
64 * Supported types:
65 *
66 * 'F' filename
67 * 'B' block device name
68 * 's' string (accept optional quote)
69 * 'i' 32 bit integer
70 * 'l' target long (32 or 64 bit)
71 * '/' optional gdb-like print format (like "/10x")
72 *
73 * '?' optional type (for all types, except '/')
74 * '.' other form of optional type (for 'i' and 'l')
75 * '-' optional parameter (eg. '-f')
76 *
77 */
78
79 typedef struct mon_cmd_t {
80 const char *name;
81 const char *args_type;
82 const char *params;
83 const char *help;
84 void (*user_print)(Monitor *mon, const QObject *data);
85 union {
86 void (*info)(Monitor *mon);
87 void (*info_new)(Monitor *mon, QObject **ret_data);
88 void (*cmd)(Monitor *mon, const QDict *qdict);
89 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90 } mhandler;
91 } mon_cmd_t;
92
93 /* file descriptors passed via SCM_RIGHTS */
94 typedef struct mon_fd_t mon_fd_t;
95 struct mon_fd_t {
96 char *name;
97 int fd;
98 QLIST_ENTRY(mon_fd_t) next;
99 };
100
101 typedef struct MonitorControl {
102 QObject *id;
103 int print_enabled;
104 JSONMessageParser parser;
105 } MonitorControl;
106
107 struct Monitor {
108 CharDriverState *chr;
109 int mux_out;
110 int reset_seen;
111 int flags;
112 int suspend_cnt;
113 uint8_t outbuf[1024];
114 int outbuf_index;
115 ReadLineState *rs;
116 MonitorControl *mc;
117 CPUState *mon_cpu;
118 BlockDriverCompletionFunc *password_completion_cb;
119 void *password_opaque;
120 QError *error;
121 QLIST_HEAD(,mon_fd_t) fds;
122 QLIST_ENTRY(Monitor) entry;
123 };
124
125 static QLIST_HEAD(mon_list, Monitor) mon_list;
126
127 static const mon_cmd_t mon_cmds[];
128 static const mon_cmd_t info_cmds[];
129
130 Monitor *cur_mon = NULL;
131
132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
133 void *opaque);
134
135 /* Return true if in control mode, false otherwise */
136 static inline int monitor_ctrl_mode(const Monitor *mon)
137 {
138 return (mon->flags & MONITOR_USE_CONTROL);
139 }
140
141 static void monitor_read_command(Monitor *mon, int show_prompt)
142 {
143 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
144 if (show_prompt)
145 readline_show_prompt(mon->rs);
146 }
147
148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
149 void *opaque)
150 {
151 if (mon->rs) {
152 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
153 /* prompt is printed on return from the command handler */
154 return 0;
155 } else {
156 monitor_printf(mon, "terminal does not support password prompting\n");
157 return -ENOTTY;
158 }
159 }
160
161 void monitor_flush(Monitor *mon)
162 {
163 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
164 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
165 mon->outbuf_index = 0;
166 }
167 }
168
169 /* flush at every end of line or if the buffer is full */
170 static void monitor_puts(Monitor *mon, const char *str)
171 {
172 char c;
173
174 if (!mon)
175 return;
176
177 for(;;) {
178 c = *str++;
179 if (c == '\0')
180 break;
181 if (c == '\n')
182 mon->outbuf[mon->outbuf_index++] = '\r';
183 mon->outbuf[mon->outbuf_index++] = c;
184 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
185 || c == '\n')
186 monitor_flush(mon);
187 }
188 }
189
190 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
191 {
192 if (mon->mc && !mon->mc->print_enabled) {
193 qemu_error_new(QERR_UNDEFINED_ERROR);
194 } else {
195 char buf[4096];
196 vsnprintf(buf, sizeof(buf), fmt, ap);
197 monitor_puts(mon, buf);
198 }
199 }
200
201 void monitor_printf(Monitor *mon, const char *fmt, ...)
202 {
203 va_list ap;
204 va_start(ap, fmt);
205 monitor_vprintf(mon, fmt, ap);
206 va_end(ap);
207 }
208
209 void monitor_print_filename(Monitor *mon, const char *filename)
210 {
211 int i;
212
213 for (i = 0; filename[i]; i++) {
214 switch (filename[i]) {
215 case ' ':
216 case '"':
217 case '\\':
218 monitor_printf(mon, "\\%c", filename[i]);
219 break;
220 case '\t':
221 monitor_printf(mon, "\\t");
222 break;
223 case '\r':
224 monitor_printf(mon, "\\r");
225 break;
226 case '\n':
227 monitor_printf(mon, "\\n");
228 break;
229 default:
230 monitor_printf(mon, "%c", filename[i]);
231 break;
232 }
233 }
234 }
235
236 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
237 {
238 va_list ap;
239 va_start(ap, fmt);
240 monitor_vprintf((Monitor *)stream, fmt, ap);
241 va_end(ap);
242 return 0;
243 }
244
245 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
246
247 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
248 {
249 return cmd->user_print != NULL;
250 }
251
252 static inline int monitor_has_error(const Monitor *mon)
253 {
254 return mon->error != NULL;
255 }
256
257 static void monitor_print_qobject(Monitor *mon, const QObject *data)
258 {
259 switch (qobject_type(data)) {
260 case QTYPE_QSTRING:
261 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
262 break;
263 case QTYPE_QINT:
264 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
265 break;
266 default:
267 monitor_printf(mon, "ERROR: unsupported type: %d",
268 qobject_type(data));
269 break;
270 }
271
272 monitor_puts(mon, "\n");
273 }
274
275 static void monitor_json_emitter(Monitor *mon, const QObject *data)
276 {
277 QString *json;
278
279 json = qobject_to_json(data);
280 assert(json != NULL);
281
282 mon->mc->print_enabled = 1;
283 monitor_printf(mon, "%s\n", qstring_get_str(json));
284 mon->mc->print_enabled = 0;
285
286 QDECREF(json);
287 }
288
289 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
290 {
291 QDict *qmp;
292
293 qmp = qdict_new();
294
295 if (!monitor_has_error(mon)) {
296 /* success response */
297 if (data) {
298 qobject_incref(data);
299 qdict_put_obj(qmp, "return", data);
300 } else {
301 qdict_put(qmp, "return", qstring_from_str("OK"));
302 }
303 } else {
304 /* error response */
305 qdict_put(qmp, "error", mon->error->error);
306 QINCREF(mon->error->error);
307 QDECREF(mon->error);
308 mon->error = NULL;
309 }
310
311 if (mon->mc->id) {
312 qdict_put_obj(qmp, "id", mon->mc->id);
313 mon->mc->id = NULL;
314 }
315
316 monitor_json_emitter(mon, QOBJECT(qmp));
317 QDECREF(qmp);
318 }
319
320 static void timestamp_put(QDict *qdict)
321 {
322 int err;
323 QObject *obj;
324 qemu_timeval tv;
325
326 err = qemu_gettimeofday(&tv);
327 if (err < 0)
328 return;
329
330 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
331 "'microseconds': %" PRId64 " }",
332 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
333 assert(obj != NULL);
334
335 qdict_put_obj(qdict, "timestamp", obj);
336 }
337
338 /**
339 * monitor_protocol_event(): Generate a Monitor event
340 *
341 * Event-specific data can be emitted through the (optional) 'data' parameter.
342 */
343 void monitor_protocol_event(MonitorEvent event, QObject *data)
344 {
345 QDict *qmp;
346 const char *event_name;
347 Monitor *mon = cur_mon;
348
349 assert(event < QEVENT_MAX);
350
351 if (!monitor_ctrl_mode(mon))
352 return;
353
354 switch (event) {
355 case QEVENT_DEBUG:
356 event_name = "DEBUG";
357 break;
358 case QEVENT_SHUTDOWN:
359 event_name = "SHUTDOWN";
360 break;
361 case QEVENT_RESET:
362 event_name = "RESET";
363 break;
364 case QEVENT_POWERDOWN:
365 event_name = "POWERDOWN";
366 break;
367 case QEVENT_STOP:
368 event_name = "STOP";
369 break;
370 default:
371 abort();
372 break;
373 }
374
375 qmp = qdict_new();
376 timestamp_put(qmp);
377 qdict_put(qmp, "event", qstring_from_str(event_name));
378 if (data)
379 qdict_put_obj(qmp, "data", data);
380
381 monitor_json_emitter(mon, QOBJECT(qmp));
382 QDECREF(qmp);
383 }
384
385 static int compare_cmd(const char *name, const char *list)
386 {
387 const char *p, *pstart;
388 int len;
389 len = strlen(name);
390 p = list;
391 for(;;) {
392 pstart = p;
393 p = strchr(p, '|');
394 if (!p)
395 p = pstart + strlen(pstart);
396 if ((p - pstart) == len && !memcmp(pstart, name, len))
397 return 1;
398 if (*p == '\0')
399 break;
400 p++;
401 }
402 return 0;
403 }
404
405 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
406 const char *prefix, const char *name)
407 {
408 const mon_cmd_t *cmd;
409
410 for(cmd = cmds; cmd->name != NULL; cmd++) {
411 if (!name || !strcmp(name, cmd->name))
412 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
413 cmd->params, cmd->help);
414 }
415 }
416
417 static void help_cmd(Monitor *mon, const char *name)
418 {
419 if (name && !strcmp(name, "info")) {
420 help_cmd_dump(mon, info_cmds, "info ", NULL);
421 } else {
422 help_cmd_dump(mon, mon_cmds, "", name);
423 if (name && !strcmp(name, "log")) {
424 const CPULogItem *item;
425 monitor_printf(mon, "Log items (comma separated):\n");
426 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
427 for(item = cpu_log_items; item->mask != 0; item++) {
428 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
429 }
430 }
431 }
432 }
433
434 static void do_help_cmd(Monitor *mon, const QDict *qdict)
435 {
436 help_cmd(mon, qdict_get_try_str(qdict, "name"));
437 }
438
439 static void do_commit(Monitor *mon, const QDict *qdict)
440 {
441 int all_devices;
442 DriveInfo *dinfo;
443 const char *device = qdict_get_str(qdict, "device");
444
445 all_devices = !strcmp(device, "all");
446 QTAILQ_FOREACH(dinfo, &drives, next) {
447 if (!all_devices)
448 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
449 continue;
450 bdrv_commit(dinfo->bdrv);
451 }
452 }
453
454 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
455 {
456 const mon_cmd_t *cmd;
457 const char *item = qdict_get_try_str(qdict, "item");
458
459 if (!item) {
460 assert(monitor_ctrl_mode(mon) == 0);
461 goto help;
462 }
463
464 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
465 if (compare_cmd(item, cmd->name))
466 break;
467 }
468
469 if (cmd->name == NULL) {
470 if (monitor_ctrl_mode(mon)) {
471 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
472 return;
473 }
474 goto help;
475 }
476
477 if (monitor_handler_ported(cmd)) {
478 cmd->mhandler.info_new(mon, ret_data);
479
480 if (!monitor_ctrl_mode(mon)) {
481 /*
482 * User Protocol function is called here, Monitor Protocol is
483 * handled by monitor_call_handler()
484 */
485 if (*ret_data)
486 cmd->user_print(mon, *ret_data);
487 }
488 } else {
489 if (monitor_ctrl_mode(mon)) {
490 /* handler not converted yet */
491 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
492 } else {
493 cmd->mhandler.info(mon);
494 }
495 }
496
497 return;
498
499 help:
500 help_cmd(mon, "info");
501 }
502
503 /**
504 * do_info_version(): Show QEMU version
505 */
506 static void do_info_version(Monitor *mon, QObject **ret_data)
507 {
508 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
509 }
510
511 static void do_info_name(Monitor *mon)
512 {
513 if (qemu_name)
514 monitor_printf(mon, "%s\n", qemu_name);
515 }
516
517 /**
518 * do_info_commands(): List QMP available commands
519 *
520 * Return a QList of QStrings.
521 */
522 static void do_info_commands(Monitor *mon, QObject **ret_data)
523 {
524 QList *cmd_list;
525 const mon_cmd_t *cmd;
526
527 cmd_list = qlist_new();
528
529 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
530 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
531 qlist_append(cmd_list, qstring_from_str(cmd->name));
532 }
533 }
534
535 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
536 if (monitor_handler_ported(cmd)) {
537 char buf[128];
538 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
539 qlist_append(cmd_list, qstring_from_str(buf));
540 }
541 }
542
543 *ret_data = QOBJECT(cmd_list);
544 }
545
546 #if defined(TARGET_I386)
547 static void do_info_hpet(Monitor *mon)
548 {
549 monitor_printf(mon, "HPET is %s by QEMU\n",
550 (no_hpet) ? "disabled" : "enabled");
551 }
552 #endif
553
554 static void do_info_uuid(Monitor *mon)
555 {
556 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
557 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
558 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
559 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
560 qemu_uuid[14], qemu_uuid[15]);
561 }
562
563 /* get the current CPU defined by the user */
564 static int mon_set_cpu(int cpu_index)
565 {
566 CPUState *env;
567
568 for(env = first_cpu; env != NULL; env = env->next_cpu) {
569 if (env->cpu_index == cpu_index) {
570 cur_mon->mon_cpu = env;
571 return 0;
572 }
573 }
574 return -1;
575 }
576
577 static CPUState *mon_get_cpu(void)
578 {
579 if (!cur_mon->mon_cpu) {
580 mon_set_cpu(0);
581 }
582 cpu_synchronize_state(cur_mon->mon_cpu);
583 return cur_mon->mon_cpu;
584 }
585
586 static void do_info_registers(Monitor *mon)
587 {
588 CPUState *env;
589 env = mon_get_cpu();
590 if (!env)
591 return;
592 #ifdef TARGET_I386
593 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
594 X86_DUMP_FPU);
595 #else
596 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
597 0);
598 #endif
599 }
600
601 static void print_cpu_iter(QObject *obj, void *opaque)
602 {
603 QDict *cpu;
604 int active = ' ';
605 Monitor *mon = opaque;
606
607 assert(qobject_type(obj) == QTYPE_QDICT);
608 cpu = qobject_to_qdict(obj);
609
610 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
611 active = '*';
612
613 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
614
615 #if defined(TARGET_I386)
616 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
617 (target_ulong) qdict_get_int(cpu, "pc"));
618 #elif defined(TARGET_PPC)
619 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
620 (target_long) qdict_get_int(cpu, "nip"));
621 #elif defined(TARGET_SPARC)
622 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
623 (target_long) qdict_get_int(cpu, "pc"));
624 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
625 (target_long) qdict_get_int(cpu, "npc"));
626 #elif defined(TARGET_MIPS)
627 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
628 (target_long) qdict_get_int(cpu, "PC"));
629 #endif
630
631 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
632 monitor_printf(mon, " (halted)");
633
634 monitor_printf(mon, "\n");
635 }
636
637 static void monitor_print_cpus(Monitor *mon, const QObject *data)
638 {
639 QList *cpu_list;
640
641 assert(qobject_type(data) == QTYPE_QLIST);
642 cpu_list = qobject_to_qlist(data);
643 qlist_iter(cpu_list, print_cpu_iter, mon);
644 }
645
646 /**
647 * do_info_cpus(): Show CPU information
648 *
649 * Return a QList with a QDict for each CPU.
650 *
651 * For example:
652 *
653 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
654 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
655 */
656 static void do_info_cpus(Monitor *mon, QObject **ret_data)
657 {
658 CPUState *env;
659 QList *cpu_list;
660
661 cpu_list = qlist_new();
662
663 /* just to set the default cpu if not already done */
664 mon_get_cpu();
665
666 for(env = first_cpu; env != NULL; env = env->next_cpu) {
667 const char *answer;
668 QDict *cpu = qdict_new();
669
670 cpu_synchronize_state(env);
671
672 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
673 answer = (env == mon->mon_cpu) ? "yes" : "no";
674 qdict_put(cpu, "current", qstring_from_str(answer));
675
676 #if defined(TARGET_I386)
677 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
678 #elif defined(TARGET_PPC)
679 qdict_put(cpu, "nip", qint_from_int(env->nip));
680 #elif defined(TARGET_SPARC)
681 qdict_put(cpu, "pc", qint_from_int(env->pc));
682 qdict_put(cpu, "npc", qint_from_int(env->npc));
683 #elif defined(TARGET_MIPS)
684 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
685 #endif
686 answer = env->halted ? "yes" : "no";
687 qdict_put(cpu, "halted", qstring_from_str(answer));
688
689 qlist_append(cpu_list, cpu);
690 }
691
692 *ret_data = QOBJECT(cpu_list);
693 }
694
695 static void do_cpu_set(Monitor *mon, const QDict *qdict)
696 {
697 int index = qdict_get_int(qdict, "index");
698 if (mon_set_cpu(index) < 0)
699 monitor_printf(mon, "Invalid CPU index\n");
700 }
701
702 static void do_info_jit(Monitor *mon)
703 {
704 dump_exec_info((FILE *)mon, monitor_fprintf);
705 }
706
707 static void do_info_history(Monitor *mon)
708 {
709 int i;
710 const char *str;
711
712 if (!mon->rs)
713 return;
714 i = 0;
715 for(;;) {
716 str = readline_get_history(mon->rs, i);
717 if (!str)
718 break;
719 monitor_printf(mon, "%d: '%s'\n", i, str);
720 i++;
721 }
722 }
723
724 #if defined(TARGET_PPC)
725 /* XXX: not implemented in other targets */
726 static void do_info_cpu_stats(Monitor *mon)
727 {
728 CPUState *env;
729
730 env = mon_get_cpu();
731 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
732 }
733 #endif
734
735 /**
736 * do_quit(): Quit QEMU execution
737 */
738 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
739 {
740 exit(0);
741 }
742
743 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
744 {
745 if (bdrv_is_inserted(bs)) {
746 if (!force) {
747 if (!bdrv_is_removable(bs)) {
748 monitor_printf(mon, "device is not removable\n");
749 return -1;
750 }
751 if (bdrv_is_locked(bs)) {
752 monitor_printf(mon, "device is locked\n");
753 return -1;
754 }
755 }
756 bdrv_close(bs);
757 }
758 return 0;
759 }
760
761 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
762 {
763 BlockDriverState *bs;
764 int force = qdict_get_int(qdict, "force");
765 const char *filename = qdict_get_str(qdict, "filename");
766
767 bs = bdrv_find(filename);
768 if (!bs) {
769 monitor_printf(mon, "device not found\n");
770 return;
771 }
772 eject_device(mon, bs, force);
773 }
774
775 static void do_change_block(Monitor *mon, const char *device,
776 const char *filename, const char *fmt)
777 {
778 BlockDriverState *bs;
779 BlockDriver *drv = NULL;
780
781 bs = bdrv_find(device);
782 if (!bs) {
783 monitor_printf(mon, "device not found\n");
784 return;
785 }
786 if (fmt) {
787 drv = bdrv_find_whitelisted_format(fmt);
788 if (!drv) {
789 monitor_printf(mon, "invalid format %s\n", fmt);
790 return;
791 }
792 }
793 if (eject_device(mon, bs, 0) < 0)
794 return;
795 bdrv_open2(bs, filename, 0, drv);
796 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
797 }
798
799 static void change_vnc_password_cb(Monitor *mon, const char *password,
800 void *opaque)
801 {
802 if (vnc_display_password(NULL, password) < 0)
803 monitor_printf(mon, "could not set VNC server password\n");
804
805 monitor_read_command(mon, 1);
806 }
807
808 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
809 {
810 if (strcmp(target, "passwd") == 0 ||
811 strcmp(target, "password") == 0) {
812 if (arg) {
813 char password[9];
814 strncpy(password, arg, sizeof(password));
815 password[sizeof(password) - 1] = '\0';
816 change_vnc_password_cb(mon, password, NULL);
817 } else {
818 monitor_read_password(mon, change_vnc_password_cb, NULL);
819 }
820 } else {
821 if (vnc_display_open(NULL, target) < 0)
822 monitor_printf(mon, "could not start VNC server on %s\n", target);
823 }
824 }
825
826 static void do_change(Monitor *mon, const QDict *qdict)
827 {
828 const char *device = qdict_get_str(qdict, "device");
829 const char *target = qdict_get_str(qdict, "target");
830 const char *arg = qdict_get_try_str(qdict, "arg");
831 if (strcmp(device, "vnc") == 0) {
832 do_change_vnc(mon, target, arg);
833 } else {
834 do_change_block(mon, device, target, arg);
835 }
836 }
837
838 static void do_screen_dump(Monitor *mon, const QDict *qdict)
839 {
840 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
841 }
842
843 static void do_logfile(Monitor *mon, const QDict *qdict)
844 {
845 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
846 }
847
848 static void do_log(Monitor *mon, const QDict *qdict)
849 {
850 int mask;
851 const char *items = qdict_get_str(qdict, "items");
852
853 if (!strcmp(items, "none")) {
854 mask = 0;
855 } else {
856 mask = cpu_str_to_log_mask(items);
857 if (!mask) {
858 help_cmd(mon, "log");
859 return;
860 }
861 }
862 cpu_set_log(mask);
863 }
864
865 static void do_singlestep(Monitor *mon, const QDict *qdict)
866 {
867 const char *option = qdict_get_try_str(qdict, "option");
868 if (!option || !strcmp(option, "on")) {
869 singlestep = 1;
870 } else if (!strcmp(option, "off")) {
871 singlestep = 0;
872 } else {
873 monitor_printf(mon, "unexpected option %s\n", option);
874 }
875 }
876
877 /**
878 * do_stop(): Stop VM execution
879 */
880 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
881 {
882 vm_stop(EXCP_INTERRUPT);
883 }
884
885 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
886
887 struct bdrv_iterate_context {
888 Monitor *mon;
889 int err;
890 };
891
892 /**
893 * do_cont(): Resume emulation.
894 */
895 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
896 {
897 struct bdrv_iterate_context context = { mon, 0 };
898
899 bdrv_iterate(encrypted_bdrv_it, &context);
900 /* only resume the vm if all keys are set and valid */
901 if (!context.err)
902 vm_start();
903 }
904
905 static void bdrv_key_cb(void *opaque, int err)
906 {
907 Monitor *mon = opaque;
908
909 /* another key was set successfully, retry to continue */
910 if (!err)
911 do_cont(mon, NULL, NULL);
912 }
913
914 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
915 {
916 struct bdrv_iterate_context *context = opaque;
917
918 if (!context->err && bdrv_key_required(bs)) {
919 context->err = -EBUSY;
920 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
921 context->mon);
922 }
923 }
924
925 static void do_gdbserver(Monitor *mon, const QDict *qdict)
926 {
927 const char *device = qdict_get_try_str(qdict, "device");
928 if (!device)
929 device = "tcp::" DEFAULT_GDBSTUB_PORT;
930 if (gdbserver_start(device) < 0) {
931 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
932 device);
933 } else if (strcmp(device, "none") == 0) {
934 monitor_printf(mon, "Disabled gdbserver\n");
935 } else {
936 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
937 device);
938 }
939 }
940
941 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
942 {
943 const char *action = qdict_get_str(qdict, "action");
944 if (select_watchdog_action(action) == -1) {
945 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
946 }
947 }
948
949 static void monitor_printc(Monitor *mon, int c)
950 {
951 monitor_printf(mon, "'");
952 switch(c) {
953 case '\'':
954 monitor_printf(mon, "\\'");
955 break;
956 case '\\':
957 monitor_printf(mon, "\\\\");
958 break;
959 case '\n':
960 monitor_printf(mon, "\\n");
961 break;
962 case '\r':
963 monitor_printf(mon, "\\r");
964 break;
965 default:
966 if (c >= 32 && c <= 126) {
967 monitor_printf(mon, "%c", c);
968 } else {
969 monitor_printf(mon, "\\x%02x", c);
970 }
971 break;
972 }
973 monitor_printf(mon, "'");
974 }
975
976 static void memory_dump(Monitor *mon, int count, int format, int wsize,
977 target_phys_addr_t addr, int is_physical)
978 {
979 CPUState *env;
980 int nb_per_line, l, line_size, i, max_digits, len;
981 uint8_t buf[16];
982 uint64_t v;
983
984 if (format == 'i') {
985 int flags;
986 flags = 0;
987 env = mon_get_cpu();
988 if (!env && !is_physical)
989 return;
990 #ifdef TARGET_I386
991 if (wsize == 2) {
992 flags = 1;
993 } else if (wsize == 4) {
994 flags = 0;
995 } else {
996 /* as default we use the current CS size */
997 flags = 0;
998 if (env) {
999 #ifdef TARGET_X86_64
1000 if ((env->efer & MSR_EFER_LMA) &&
1001 (env->segs[R_CS].flags & DESC_L_MASK))
1002 flags = 2;
1003 else
1004 #endif
1005 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1006 flags = 1;
1007 }
1008 }
1009 #endif
1010 monitor_disas(mon, env, addr, count, is_physical, flags);
1011 return;
1012 }
1013
1014 len = wsize * count;
1015 if (wsize == 1)
1016 line_size = 8;
1017 else
1018 line_size = 16;
1019 nb_per_line = line_size / wsize;
1020 max_digits = 0;
1021
1022 switch(format) {
1023 case 'o':
1024 max_digits = (wsize * 8 + 2) / 3;
1025 break;
1026 default:
1027 case 'x':
1028 max_digits = (wsize * 8) / 4;
1029 break;
1030 case 'u':
1031 case 'd':
1032 max_digits = (wsize * 8 * 10 + 32) / 33;
1033 break;
1034 case 'c':
1035 wsize = 1;
1036 break;
1037 }
1038
1039 while (len > 0) {
1040 if (is_physical)
1041 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1042 else
1043 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1044 l = len;
1045 if (l > line_size)
1046 l = line_size;
1047 if (is_physical) {
1048 cpu_physical_memory_rw(addr, buf, l, 0);
1049 } else {
1050 env = mon_get_cpu();
1051 if (!env)
1052 break;
1053 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1054 monitor_printf(mon, " Cannot access memory\n");
1055 break;
1056 }
1057 }
1058 i = 0;
1059 while (i < l) {
1060 switch(wsize) {
1061 default:
1062 case 1:
1063 v = ldub_raw(buf + i);
1064 break;
1065 case 2:
1066 v = lduw_raw(buf + i);
1067 break;
1068 case 4:
1069 v = (uint32_t)ldl_raw(buf + i);
1070 break;
1071 case 8:
1072 v = ldq_raw(buf + i);
1073 break;
1074 }
1075 monitor_printf(mon, " ");
1076 switch(format) {
1077 case 'o':
1078 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1079 break;
1080 case 'x':
1081 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1082 break;
1083 case 'u':
1084 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1085 break;
1086 case 'd':
1087 monitor_printf(mon, "%*" PRId64, max_digits, v);
1088 break;
1089 case 'c':
1090 monitor_printc(mon, v);
1091 break;
1092 }
1093 i += wsize;
1094 }
1095 monitor_printf(mon, "\n");
1096 addr += l;
1097 len -= l;
1098 }
1099 }
1100
1101 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1102 {
1103 int count = qdict_get_int(qdict, "count");
1104 int format = qdict_get_int(qdict, "format");
1105 int size = qdict_get_int(qdict, "size");
1106 target_long addr = qdict_get_int(qdict, "addr");
1107
1108 memory_dump(mon, count, format, size, addr, 0);
1109 }
1110
1111 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1112 {
1113 int count = qdict_get_int(qdict, "count");
1114 int format = qdict_get_int(qdict, "format");
1115 int size = qdict_get_int(qdict, "size");
1116 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1117
1118 memory_dump(mon, count, format, size, addr, 1);
1119 }
1120
1121 static void do_print(Monitor *mon, const QDict *qdict)
1122 {
1123 int format = qdict_get_int(qdict, "format");
1124 target_phys_addr_t val = qdict_get_int(qdict, "val");
1125
1126 #if TARGET_PHYS_ADDR_BITS == 32
1127 switch(format) {
1128 case 'o':
1129 monitor_printf(mon, "%#o", val);
1130 break;
1131 case 'x':
1132 monitor_printf(mon, "%#x", val);
1133 break;
1134 case 'u':
1135 monitor_printf(mon, "%u", val);
1136 break;
1137 default:
1138 case 'd':
1139 monitor_printf(mon, "%d", val);
1140 break;
1141 case 'c':
1142 monitor_printc(mon, val);
1143 break;
1144 }
1145 #else
1146 switch(format) {
1147 case 'o':
1148 monitor_printf(mon, "%#" PRIo64, val);
1149 break;
1150 case 'x':
1151 monitor_printf(mon, "%#" PRIx64, val);
1152 break;
1153 case 'u':
1154 monitor_printf(mon, "%" PRIu64, val);
1155 break;
1156 default:
1157 case 'd':
1158 monitor_printf(mon, "%" PRId64, val);
1159 break;
1160 case 'c':
1161 monitor_printc(mon, val);
1162 break;
1163 }
1164 #endif
1165 monitor_printf(mon, "\n");
1166 }
1167
1168 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1169 {
1170 FILE *f;
1171 uint32_t size = qdict_get_int(qdict, "size");
1172 const char *filename = qdict_get_str(qdict, "filename");
1173 target_long addr = qdict_get_int(qdict, "val");
1174 uint32_t l;
1175 CPUState *env;
1176 uint8_t buf[1024];
1177
1178 env = mon_get_cpu();
1179 if (!env)
1180 return;
1181
1182 f = fopen(filename, "wb");
1183 if (!f) {
1184 monitor_printf(mon, "could not open '%s'\n", filename);
1185 return;
1186 }
1187 while (size != 0) {
1188 l = sizeof(buf);
1189 if (l > size)
1190 l = size;
1191 cpu_memory_rw_debug(env, addr, buf, l, 0);
1192 fwrite(buf, 1, l, f);
1193 addr += l;
1194 size -= l;
1195 }
1196 fclose(f);
1197 }
1198
1199 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1200 QObject **ret_data)
1201 {
1202 FILE *f;
1203 uint32_t l;
1204 uint8_t buf[1024];
1205 uint32_t size = qdict_get_int(qdict, "size");
1206 const char *filename = qdict_get_str(qdict, "filename");
1207 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1208
1209 f = fopen(filename, "wb");
1210 if (!f) {
1211 monitor_printf(mon, "could not open '%s'\n", filename);
1212 return;
1213 }
1214 while (size != 0) {
1215 l = sizeof(buf);
1216 if (l > size)
1217 l = size;
1218 cpu_physical_memory_rw(addr, buf, l, 0);
1219 fwrite(buf, 1, l, f);
1220 fflush(f);
1221 addr += l;
1222 size -= l;
1223 }
1224 fclose(f);
1225 }
1226
1227 static void do_sum(Monitor *mon, const QDict *qdict)
1228 {
1229 uint32_t addr;
1230 uint8_t buf[1];
1231 uint16_t sum;
1232 uint32_t start = qdict_get_int(qdict, "start");
1233 uint32_t size = qdict_get_int(qdict, "size");
1234
1235 sum = 0;
1236 for(addr = start; addr < (start + size); addr++) {
1237 cpu_physical_memory_rw(addr, buf, 1, 0);
1238 /* BSD sum algorithm ('sum' Unix command) */
1239 sum = (sum >> 1) | (sum << 15);
1240 sum += buf[0];
1241 }
1242 monitor_printf(mon, "%05d\n", sum);
1243 }
1244
1245 typedef struct {
1246 int keycode;
1247 const char *name;
1248 } KeyDef;
1249
1250 static const KeyDef key_defs[] = {
1251 { 0x2a, "shift" },
1252 { 0x36, "shift_r" },
1253
1254 { 0x38, "alt" },
1255 { 0xb8, "alt_r" },
1256 { 0x64, "altgr" },
1257 { 0xe4, "altgr_r" },
1258 { 0x1d, "ctrl" },
1259 { 0x9d, "ctrl_r" },
1260
1261 { 0xdd, "menu" },
1262
1263 { 0x01, "esc" },
1264
1265 { 0x02, "1" },
1266 { 0x03, "2" },
1267 { 0x04, "3" },
1268 { 0x05, "4" },
1269 { 0x06, "5" },
1270 { 0x07, "6" },
1271 { 0x08, "7" },
1272 { 0x09, "8" },
1273 { 0x0a, "9" },
1274 { 0x0b, "0" },
1275 { 0x0c, "minus" },
1276 { 0x0d, "equal" },
1277 { 0x0e, "backspace" },
1278
1279 { 0x0f, "tab" },
1280 { 0x10, "q" },
1281 { 0x11, "w" },
1282 { 0x12, "e" },
1283 { 0x13, "r" },
1284 { 0x14, "t" },
1285 { 0x15, "y" },
1286 { 0x16, "u" },
1287 { 0x17, "i" },
1288 { 0x18, "o" },
1289 { 0x19, "p" },
1290
1291 { 0x1c, "ret" },
1292
1293 { 0x1e, "a" },
1294 { 0x1f, "s" },
1295 { 0x20, "d" },
1296 { 0x21, "f" },
1297 { 0x22, "g" },
1298 { 0x23, "h" },
1299 { 0x24, "j" },
1300 { 0x25, "k" },
1301 { 0x26, "l" },
1302
1303 { 0x2c, "z" },
1304 { 0x2d, "x" },
1305 { 0x2e, "c" },
1306 { 0x2f, "v" },
1307 { 0x30, "b" },
1308 { 0x31, "n" },
1309 { 0x32, "m" },
1310 { 0x33, "comma" },
1311 { 0x34, "dot" },
1312 { 0x35, "slash" },
1313
1314 { 0x37, "asterisk" },
1315
1316 { 0x39, "spc" },
1317 { 0x3a, "caps_lock" },
1318 { 0x3b, "f1" },
1319 { 0x3c, "f2" },
1320 { 0x3d, "f3" },
1321 { 0x3e, "f4" },
1322 { 0x3f, "f5" },
1323 { 0x40, "f6" },
1324 { 0x41, "f7" },
1325 { 0x42, "f8" },
1326 { 0x43, "f9" },
1327 { 0x44, "f10" },
1328 { 0x45, "num_lock" },
1329 { 0x46, "scroll_lock" },
1330
1331 { 0xb5, "kp_divide" },
1332 { 0x37, "kp_multiply" },
1333 { 0x4a, "kp_subtract" },
1334 { 0x4e, "kp_add" },
1335 { 0x9c, "kp_enter" },
1336 { 0x53, "kp_decimal" },
1337 { 0x54, "sysrq" },
1338
1339 { 0x52, "kp_0" },
1340 { 0x4f, "kp_1" },
1341 { 0x50, "kp_2" },
1342 { 0x51, "kp_3" },
1343 { 0x4b, "kp_4" },
1344 { 0x4c, "kp_5" },
1345 { 0x4d, "kp_6" },
1346 { 0x47, "kp_7" },
1347 { 0x48, "kp_8" },
1348 { 0x49, "kp_9" },
1349
1350 { 0x56, "<" },
1351
1352 { 0x57, "f11" },
1353 { 0x58, "f12" },
1354
1355 { 0xb7, "print" },
1356
1357 { 0xc7, "home" },
1358 { 0xc9, "pgup" },
1359 { 0xd1, "pgdn" },
1360 { 0xcf, "end" },
1361
1362 { 0xcb, "left" },
1363 { 0xc8, "up" },
1364 { 0xd0, "down" },
1365 { 0xcd, "right" },
1366
1367 { 0xd2, "insert" },
1368 { 0xd3, "delete" },
1369 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1370 { 0xf0, "stop" },
1371 { 0xf1, "again" },
1372 { 0xf2, "props" },
1373 { 0xf3, "undo" },
1374 { 0xf4, "front" },
1375 { 0xf5, "copy" },
1376 { 0xf6, "open" },
1377 { 0xf7, "paste" },
1378 { 0xf8, "find" },
1379 { 0xf9, "cut" },
1380 { 0xfa, "lf" },
1381 { 0xfb, "help" },
1382 { 0xfc, "meta_l" },
1383 { 0xfd, "meta_r" },
1384 { 0xfe, "compose" },
1385 #endif
1386 { 0, NULL },
1387 };
1388
1389 static int get_keycode(const char *key)
1390 {
1391 const KeyDef *p;
1392 char *endp;
1393 int ret;
1394
1395 for(p = key_defs; p->name != NULL; p++) {
1396 if (!strcmp(key, p->name))
1397 return p->keycode;
1398 }
1399 if (strstart(key, "0x", NULL)) {
1400 ret = strtoul(key, &endp, 0);
1401 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1402 return ret;
1403 }
1404 return -1;
1405 }
1406
1407 #define MAX_KEYCODES 16
1408 static uint8_t keycodes[MAX_KEYCODES];
1409 static int nb_pending_keycodes;
1410 static QEMUTimer *key_timer;
1411
1412 static void release_keys(void *opaque)
1413 {
1414 int keycode;
1415
1416 while (nb_pending_keycodes > 0) {
1417 nb_pending_keycodes--;
1418 keycode = keycodes[nb_pending_keycodes];
1419 if (keycode & 0x80)
1420 kbd_put_keycode(0xe0);
1421 kbd_put_keycode(keycode | 0x80);
1422 }
1423 }
1424
1425 static void do_sendkey(Monitor *mon, const QDict *qdict)
1426 {
1427 char keyname_buf[16];
1428 char *separator;
1429 int keyname_len, keycode, i;
1430 const char *string = qdict_get_str(qdict, "string");
1431 int has_hold_time = qdict_haskey(qdict, "hold_time");
1432 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1433
1434 if (nb_pending_keycodes > 0) {
1435 qemu_del_timer(key_timer);
1436 release_keys(NULL);
1437 }
1438 if (!has_hold_time)
1439 hold_time = 100;
1440 i = 0;
1441 while (1) {
1442 separator = strchr(string, '-');
1443 keyname_len = separator ? separator - string : strlen(string);
1444 if (keyname_len > 0) {
1445 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1446 if (keyname_len > sizeof(keyname_buf) - 1) {
1447 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1448 return;
1449 }
1450 if (i == MAX_KEYCODES) {
1451 monitor_printf(mon, "too many keys\n");
1452 return;
1453 }
1454 keyname_buf[keyname_len] = 0;
1455 keycode = get_keycode(keyname_buf);
1456 if (keycode < 0) {
1457 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1458 return;
1459 }
1460 keycodes[i++] = keycode;
1461 }
1462 if (!separator)
1463 break;
1464 string = separator + 1;
1465 }
1466 nb_pending_keycodes = i;
1467 /* key down events */
1468 for (i = 0; i < nb_pending_keycodes; i++) {
1469 keycode = keycodes[i];
1470 if (keycode & 0x80)
1471 kbd_put_keycode(0xe0);
1472 kbd_put_keycode(keycode & 0x7f);
1473 }
1474 /* delayed key up events */
1475 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1476 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1477 }
1478
1479 static int mouse_button_state;
1480
1481 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1482 {
1483 int dx, dy, dz;
1484 const char *dx_str = qdict_get_str(qdict, "dx_str");
1485 const char *dy_str = qdict_get_str(qdict, "dy_str");
1486 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1487 dx = strtol(dx_str, NULL, 0);
1488 dy = strtol(dy_str, NULL, 0);
1489 dz = 0;
1490 if (dz_str)
1491 dz = strtol(dz_str, NULL, 0);
1492 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1493 }
1494
1495 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1496 {
1497 int button_state = qdict_get_int(qdict, "button_state");
1498 mouse_button_state = button_state;
1499 kbd_mouse_event(0, 0, 0, mouse_button_state);
1500 }
1501
1502 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1503 {
1504 int size = qdict_get_int(qdict, "size");
1505 int addr = qdict_get_int(qdict, "addr");
1506 int has_index = qdict_haskey(qdict, "index");
1507 uint32_t val;
1508 int suffix;
1509
1510 if (has_index) {
1511 int index = qdict_get_int(qdict, "index");
1512 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1513 addr++;
1514 }
1515 addr &= 0xffff;
1516
1517 switch(size) {
1518 default:
1519 case 1:
1520 val = cpu_inb(addr);
1521 suffix = 'b';
1522 break;
1523 case 2:
1524 val = cpu_inw(addr);
1525 suffix = 'w';
1526 break;
1527 case 4:
1528 val = cpu_inl(addr);
1529 suffix = 'l';
1530 break;
1531 }
1532 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1533 suffix, addr, size * 2, val);
1534 }
1535
1536 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1537 {
1538 int size = qdict_get_int(qdict, "size");
1539 int addr = qdict_get_int(qdict, "addr");
1540 int val = qdict_get_int(qdict, "val");
1541
1542 addr &= IOPORTS_MASK;
1543
1544 switch (size) {
1545 default:
1546 case 1:
1547 cpu_outb(addr, val);
1548 break;
1549 case 2:
1550 cpu_outw(addr, val);
1551 break;
1552 case 4:
1553 cpu_outl(addr, val);
1554 break;
1555 }
1556 }
1557
1558 static void do_boot_set(Monitor *mon, const QDict *qdict)
1559 {
1560 int res;
1561 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1562
1563 res = qemu_boot_set(bootdevice);
1564 if (res == 0) {
1565 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1566 } else if (res > 0) {
1567 monitor_printf(mon, "setting boot device list failed\n");
1568 } else {
1569 monitor_printf(mon, "no function defined to set boot device list for "
1570 "this architecture\n");
1571 }
1572 }
1573
1574 /**
1575 * do_system_reset(): Issue a machine reset
1576 */
1577 static void do_system_reset(Monitor *mon, const QDict *qdict,
1578 QObject **ret_data)
1579 {
1580 qemu_system_reset_request();
1581 }
1582
1583 /**
1584 * do_system_powerdown(): Issue a machine powerdown
1585 */
1586 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1587 QObject **ret_data)
1588 {
1589 qemu_system_powerdown_request();
1590 }
1591
1592 #if defined(TARGET_I386)
1593 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1594 {
1595 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1596 addr,
1597 pte & mask,
1598 pte & PG_GLOBAL_MASK ? 'G' : '-',
1599 pte & PG_PSE_MASK ? 'P' : '-',
1600 pte & PG_DIRTY_MASK ? 'D' : '-',
1601 pte & PG_ACCESSED_MASK ? 'A' : '-',
1602 pte & PG_PCD_MASK ? 'C' : '-',
1603 pte & PG_PWT_MASK ? 'T' : '-',
1604 pte & PG_USER_MASK ? 'U' : '-',
1605 pte & PG_RW_MASK ? 'W' : '-');
1606 }
1607
1608 static void tlb_info(Monitor *mon)
1609 {
1610 CPUState *env;
1611 int l1, l2;
1612 uint32_t pgd, pde, pte;
1613
1614 env = mon_get_cpu();
1615 if (!env)
1616 return;
1617
1618 if (!(env->cr[0] & CR0_PG_MASK)) {
1619 monitor_printf(mon, "PG disabled\n");
1620 return;
1621 }
1622 pgd = env->cr[3] & ~0xfff;
1623 for(l1 = 0; l1 < 1024; l1++) {
1624 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1625 pde = le32_to_cpu(pde);
1626 if (pde & PG_PRESENT_MASK) {
1627 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1628 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1629 } else {
1630 for(l2 = 0; l2 < 1024; l2++) {
1631 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1632 (uint8_t *)&pte, 4);
1633 pte = le32_to_cpu(pte);
1634 if (pte & PG_PRESENT_MASK) {
1635 print_pte(mon, (l1 << 22) + (l2 << 12),
1636 pte & ~PG_PSE_MASK,
1637 ~0xfff);
1638 }
1639 }
1640 }
1641 }
1642 }
1643 }
1644
1645 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1646 uint32_t end, int prot)
1647 {
1648 int prot1;
1649 prot1 = *plast_prot;
1650 if (prot != prot1) {
1651 if (*pstart != -1) {
1652 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1653 *pstart, end, end - *pstart,
1654 prot1 & PG_USER_MASK ? 'u' : '-',
1655 'r',
1656 prot1 & PG_RW_MASK ? 'w' : '-');
1657 }
1658 if (prot != 0)
1659 *pstart = end;
1660 else
1661 *pstart = -1;
1662 *plast_prot = prot;
1663 }
1664 }
1665
1666 static void mem_info(Monitor *mon)
1667 {
1668 CPUState *env;
1669 int l1, l2, prot, last_prot;
1670 uint32_t pgd, pde, pte, start, end;
1671
1672 env = mon_get_cpu();
1673 if (!env)
1674 return;
1675
1676 if (!(env->cr[0] & CR0_PG_MASK)) {
1677 monitor_printf(mon, "PG disabled\n");
1678 return;
1679 }
1680 pgd = env->cr[3] & ~0xfff;
1681 last_prot = 0;
1682 start = -1;
1683 for(l1 = 0; l1 < 1024; l1++) {
1684 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1685 pde = le32_to_cpu(pde);
1686 end = l1 << 22;
1687 if (pde & PG_PRESENT_MASK) {
1688 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1689 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1690 mem_print(mon, &start, &last_prot, end, prot);
1691 } else {
1692 for(l2 = 0; l2 < 1024; l2++) {
1693 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1694 (uint8_t *)&pte, 4);
1695 pte = le32_to_cpu(pte);
1696 end = (l1 << 22) + (l2 << 12);
1697 if (pte & PG_PRESENT_MASK) {
1698 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1699 } else {
1700 prot = 0;
1701 }
1702 mem_print(mon, &start, &last_prot, end, prot);
1703 }
1704 }
1705 } else {
1706 prot = 0;
1707 mem_print(mon, &start, &last_prot, end, prot);
1708 }
1709 }
1710 }
1711 #endif
1712
1713 #if defined(TARGET_SH4)
1714
1715 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1716 {
1717 monitor_printf(mon, " tlb%i:\t"
1718 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1719 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1720 "dirty=%hhu writethrough=%hhu\n",
1721 idx,
1722 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1723 tlb->v, tlb->sh, tlb->c, tlb->pr,
1724 tlb->d, tlb->wt);
1725 }
1726
1727 static void tlb_info(Monitor *mon)
1728 {
1729 CPUState *env = mon_get_cpu();
1730 int i;
1731
1732 monitor_printf (mon, "ITLB:\n");
1733 for (i = 0 ; i < ITLB_SIZE ; i++)
1734 print_tlb (mon, i, &env->itlb[i]);
1735 monitor_printf (mon, "UTLB:\n");
1736 for (i = 0 ; i < UTLB_SIZE ; i++)
1737 print_tlb (mon, i, &env->utlb[i]);
1738 }
1739
1740 #endif
1741
1742 static void do_info_kvm(Monitor *mon)
1743 {
1744 #ifdef CONFIG_KVM
1745 monitor_printf(mon, "kvm support: ");
1746 if (kvm_enabled())
1747 monitor_printf(mon, "enabled\n");
1748 else
1749 monitor_printf(mon, "disabled\n");
1750 #else
1751 monitor_printf(mon, "kvm support: not compiled\n");
1752 #endif
1753 }
1754
1755 static void do_info_numa(Monitor *mon)
1756 {
1757 int i;
1758 CPUState *env;
1759
1760 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1761 for (i = 0; i < nb_numa_nodes; i++) {
1762 monitor_printf(mon, "node %d cpus:", i);
1763 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1764 if (env->numa_node == i) {
1765 monitor_printf(mon, " %d", env->cpu_index);
1766 }
1767 }
1768 monitor_printf(mon, "\n");
1769 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1770 node_mem[i] >> 20);
1771 }
1772 }
1773
1774 #ifdef CONFIG_PROFILER
1775
1776 int64_t qemu_time;
1777 int64_t dev_time;
1778
1779 static void do_info_profile(Monitor *mon)
1780 {
1781 int64_t total;
1782 total = qemu_time;
1783 if (total == 0)
1784 total = 1;
1785 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1786 dev_time, dev_time / (double)get_ticks_per_sec());
1787 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1788 qemu_time, qemu_time / (double)get_ticks_per_sec());
1789 qemu_time = 0;
1790 dev_time = 0;
1791 }
1792 #else
1793 static void do_info_profile(Monitor *mon)
1794 {
1795 monitor_printf(mon, "Internal profiler not compiled\n");
1796 }
1797 #endif
1798
1799 /* Capture support */
1800 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1801
1802 static void do_info_capture(Monitor *mon)
1803 {
1804 int i;
1805 CaptureState *s;
1806
1807 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1808 monitor_printf(mon, "[%d]: ", i);
1809 s->ops.info (s->opaque);
1810 }
1811 }
1812
1813 #ifdef HAS_AUDIO
1814 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1815 {
1816 int i;
1817 int n = qdict_get_int(qdict, "n");
1818 CaptureState *s;
1819
1820 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1821 if (i == n) {
1822 s->ops.destroy (s->opaque);
1823 QLIST_REMOVE (s, entries);
1824 qemu_free (s);
1825 return;
1826 }
1827 }
1828 }
1829
1830 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1831 {
1832 const char *path = qdict_get_str(qdict, "path");
1833 int has_freq = qdict_haskey(qdict, "freq");
1834 int freq = qdict_get_try_int(qdict, "freq", -1);
1835 int has_bits = qdict_haskey(qdict, "bits");
1836 int bits = qdict_get_try_int(qdict, "bits", -1);
1837 int has_channels = qdict_haskey(qdict, "nchannels");
1838 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1839 CaptureState *s;
1840
1841 s = qemu_mallocz (sizeof (*s));
1842
1843 freq = has_freq ? freq : 44100;
1844 bits = has_bits ? bits : 16;
1845 nchannels = has_channels ? nchannels : 2;
1846
1847 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1848 monitor_printf(mon, "Faied to add wave capture\n");
1849 qemu_free (s);
1850 }
1851 QLIST_INSERT_HEAD (&capture_head, s, entries);
1852 }
1853 #endif
1854
1855 #if defined(TARGET_I386)
1856 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1857 {
1858 CPUState *env;
1859 int cpu_index = qdict_get_int(qdict, "cpu_index");
1860
1861 for (env = first_cpu; env != NULL; env = env->next_cpu)
1862 if (env->cpu_index == cpu_index) {
1863 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1864 break;
1865 }
1866 }
1867 #endif
1868
1869 static void do_info_status(Monitor *mon)
1870 {
1871 if (vm_running) {
1872 if (singlestep) {
1873 monitor_printf(mon, "VM status: running (single step mode)\n");
1874 } else {
1875 monitor_printf(mon, "VM status: running\n");
1876 }
1877 } else
1878 monitor_printf(mon, "VM status: paused\n");
1879 }
1880
1881 /**
1882 * do_balloon(): Request VM to change its memory allocation
1883 */
1884 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1885 {
1886 int value = qdict_get_int(qdict, "value");
1887 ram_addr_t target = value;
1888 qemu_balloon(target << 20);
1889 }
1890
1891 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1892 {
1893 monitor_printf(mon, "balloon: actual=%d\n",
1894 (int)qint_get_int(qobject_to_qint(data)));
1895 }
1896
1897 /**
1898 * do_info_balloon(): Balloon information
1899 */
1900 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1901 {
1902 ram_addr_t actual;
1903
1904 actual = qemu_balloon_status();
1905 if (kvm_enabled() && !kvm_has_sync_mmu())
1906 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1907 else if (actual == 0)
1908 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1909 else
1910 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1911 }
1912
1913 static qemu_acl *find_acl(Monitor *mon, const char *name)
1914 {
1915 qemu_acl *acl = qemu_acl_find(name);
1916
1917 if (!acl) {
1918 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1919 }
1920 return acl;
1921 }
1922
1923 static void do_acl_show(Monitor *mon, const QDict *qdict)
1924 {
1925 const char *aclname = qdict_get_str(qdict, "aclname");
1926 qemu_acl *acl = find_acl(mon, aclname);
1927 qemu_acl_entry *entry;
1928 int i = 0;
1929
1930 if (acl) {
1931 monitor_printf(mon, "policy: %s\n",
1932 acl->defaultDeny ? "deny" : "allow");
1933 QTAILQ_FOREACH(entry, &acl->entries, next) {
1934 i++;
1935 monitor_printf(mon, "%d: %s %s\n", i,
1936 entry->deny ? "deny" : "allow", entry->match);
1937 }
1938 }
1939 }
1940
1941 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1942 {
1943 const char *aclname = qdict_get_str(qdict, "aclname");
1944 qemu_acl *acl = find_acl(mon, aclname);
1945
1946 if (acl) {
1947 qemu_acl_reset(acl);
1948 monitor_printf(mon, "acl: removed all rules\n");
1949 }
1950 }
1951
1952 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1953 {
1954 const char *aclname = qdict_get_str(qdict, "aclname");
1955 const char *policy = qdict_get_str(qdict, "policy");
1956 qemu_acl *acl = find_acl(mon, aclname);
1957
1958 if (acl) {
1959 if (strcmp(policy, "allow") == 0) {
1960 acl->defaultDeny = 0;
1961 monitor_printf(mon, "acl: policy set to 'allow'\n");
1962 } else if (strcmp(policy, "deny") == 0) {
1963 acl->defaultDeny = 1;
1964 monitor_printf(mon, "acl: policy set to 'deny'\n");
1965 } else {
1966 monitor_printf(mon, "acl: unknown policy '%s', "
1967 "expected 'deny' or 'allow'\n", policy);
1968 }
1969 }
1970 }
1971
1972 static void do_acl_add(Monitor *mon, const QDict *qdict)
1973 {
1974 const char *aclname = qdict_get_str(qdict, "aclname");
1975 const char *match = qdict_get_str(qdict, "match");
1976 const char *policy = qdict_get_str(qdict, "policy");
1977 int has_index = qdict_haskey(qdict, "index");
1978 int index = qdict_get_try_int(qdict, "index", -1);
1979 qemu_acl *acl = find_acl(mon, aclname);
1980 int deny, ret;
1981
1982 if (acl) {
1983 if (strcmp(policy, "allow") == 0) {
1984 deny = 0;
1985 } else if (strcmp(policy, "deny") == 0) {
1986 deny = 1;
1987 } else {
1988 monitor_printf(mon, "acl: unknown policy '%s', "
1989 "expected 'deny' or 'allow'\n", policy);
1990 return;
1991 }
1992 if (has_index)
1993 ret = qemu_acl_insert(acl, deny, match, index);
1994 else
1995 ret = qemu_acl_append(acl, deny, match);
1996 if (ret < 0)
1997 monitor_printf(mon, "acl: unable to add acl entry\n");
1998 else
1999 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2000 }
2001 }
2002
2003 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2004 {
2005 const char *aclname = qdict_get_str(qdict, "aclname");
2006 const char *match = qdict_get_str(qdict, "match");
2007 qemu_acl *acl = find_acl(mon, aclname);
2008 int ret;
2009
2010 if (acl) {
2011 ret = qemu_acl_remove(acl, match);
2012 if (ret < 0)
2013 monitor_printf(mon, "acl: no matching acl entry\n");
2014 else
2015 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2016 }
2017 }
2018
2019 #if defined(TARGET_I386)
2020 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2021 {
2022 CPUState *cenv;
2023 int cpu_index = qdict_get_int(qdict, "cpu_index");
2024 int bank = qdict_get_int(qdict, "bank");
2025 uint64_t status = qdict_get_int(qdict, "status");
2026 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2027 uint64_t addr = qdict_get_int(qdict, "addr");
2028 uint64_t misc = qdict_get_int(qdict, "misc");
2029
2030 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2031 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2032 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2033 break;
2034 }
2035 }
2036 #endif
2037
2038 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2039 {
2040 const char *fdname = qdict_get_str(qdict, "fdname");
2041 mon_fd_t *monfd;
2042 int fd;
2043
2044 fd = qemu_chr_get_msgfd(mon->chr);
2045 if (fd == -1) {
2046 monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2047 return;
2048 }
2049
2050 if (qemu_isdigit(fdname[0])) {
2051 monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2052 return;
2053 }
2054
2055 fd = dup(fd);
2056 if (fd == -1) {
2057 monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2058 strerror(errno));
2059 return;
2060 }
2061
2062 QLIST_FOREACH(monfd, &mon->fds, next) {
2063 if (strcmp(monfd->name, fdname) != 0) {
2064 continue;
2065 }
2066
2067 close(monfd->fd);
2068 monfd->fd = fd;
2069 return;
2070 }
2071
2072 monfd = qemu_mallocz(sizeof(mon_fd_t));
2073 monfd->name = qemu_strdup(fdname);
2074 monfd->fd = fd;
2075
2076 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2077 }
2078
2079 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2080 {
2081 const char *fdname = qdict_get_str(qdict, "fdname");
2082 mon_fd_t *monfd;
2083
2084 QLIST_FOREACH(monfd, &mon->fds, next) {
2085 if (strcmp(monfd->name, fdname) != 0) {
2086 continue;
2087 }
2088
2089 QLIST_REMOVE(monfd, next);
2090 close(monfd->fd);
2091 qemu_free(monfd->name);
2092 qemu_free(monfd);
2093 return;
2094 }
2095
2096 monitor_printf(mon, "Failed to find file descriptor named %s\n",
2097 fdname);
2098 }
2099
2100 static void do_loadvm(Monitor *mon, const QDict *qdict)
2101 {
2102 int saved_vm_running = vm_running;
2103 const char *name = qdict_get_str(qdict, "name");
2104
2105 vm_stop(0);
2106
2107 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2108 vm_start();
2109 }
2110
2111 int monitor_get_fd(Monitor *mon, const char *fdname)
2112 {
2113 mon_fd_t *monfd;
2114
2115 QLIST_FOREACH(monfd, &mon->fds, next) {
2116 int fd;
2117
2118 if (strcmp(monfd->name, fdname) != 0) {
2119 continue;
2120 }
2121
2122 fd = monfd->fd;
2123
2124 /* caller takes ownership of fd */
2125 QLIST_REMOVE(monfd, next);
2126 qemu_free(monfd->name);
2127 qemu_free(monfd);
2128
2129 return fd;
2130 }
2131
2132 return -1;
2133 }
2134
2135 static const mon_cmd_t mon_cmds[] = {
2136 #include "qemu-monitor.h"
2137 { NULL, NULL, },
2138 };
2139
2140 /* Please update qemu-monitor.hx when adding or changing commands */
2141 static const mon_cmd_t info_cmds[] = {
2142 {
2143 .name = "version",
2144 .args_type = "",
2145 .params = "",
2146 .help = "show the version of QEMU",
2147 .user_print = monitor_print_qobject,
2148 .mhandler.info_new = do_info_version,
2149 },
2150 {
2151 .name = "commands",
2152 .args_type = "",
2153 .params = "",
2154 .help = "list QMP available commands",
2155 .user_print = monitor_user_noop,
2156 .mhandler.info_new = do_info_commands,
2157 },
2158 {
2159 .name = "network",
2160 .args_type = "",
2161 .params = "",
2162 .help = "show the network state",
2163 .mhandler.info = do_info_network,
2164 },
2165 {
2166 .name = "chardev",
2167 .args_type = "",
2168 .params = "",
2169 .help = "show the character devices",
2170 .mhandler.info = qemu_chr_info,
2171 },
2172 {
2173 .name = "block",
2174 .args_type = "",
2175 .params = "",
2176 .help = "show the block devices",
2177 .mhandler.info = bdrv_info,
2178 },
2179 {
2180 .name = "blockstats",
2181 .args_type = "",
2182 .params = "",
2183 .help = "show block device statistics",
2184 .mhandler.info = bdrv_info_stats,
2185 },
2186 {
2187 .name = "registers",
2188 .args_type = "",
2189 .params = "",
2190 .help = "show the cpu registers",
2191 .mhandler.info = do_info_registers,
2192 },
2193 {
2194 .name = "cpus",
2195 .args_type = "",
2196 .params = "",
2197 .help = "show infos for each CPU",
2198 .user_print = monitor_print_cpus,
2199 .mhandler.info_new = do_info_cpus,
2200 },
2201 {
2202 .name = "history",
2203 .args_type = "",
2204 .params = "",
2205 .help = "show the command line history",
2206 .mhandler.info = do_info_history,
2207 },
2208 {
2209 .name = "irq",
2210 .args_type = "",
2211 .params = "",
2212 .help = "show the interrupts statistics (if available)",
2213 .mhandler.info = irq_info,
2214 },
2215 {
2216 .name = "pic",
2217 .args_type = "",
2218 .params = "",
2219 .help = "show i8259 (PIC) state",
2220 .mhandler.info = pic_info,
2221 },
2222 {
2223 .name = "pci",
2224 .args_type = "",
2225 .params = "",
2226 .help = "show PCI info",
2227 .mhandler.info = pci_info,
2228 },
2229 #if defined(TARGET_I386) || defined(TARGET_SH4)
2230 {
2231 .name = "tlb",
2232 .args_type = "",
2233 .params = "",
2234 .help = "show virtual to physical memory mappings",
2235 .mhandler.info = tlb_info,
2236 },
2237 #endif
2238 #if defined(TARGET_I386)
2239 {
2240 .name = "mem",
2241 .args_type = "",
2242 .params = "",
2243 .help = "show the active virtual memory mappings",
2244 .mhandler.info = mem_info,
2245 },
2246 {
2247 .name = "hpet",
2248 .args_type = "",
2249 .params = "",
2250 .help = "show state of HPET",
2251 .mhandler.info = do_info_hpet,
2252 },
2253 #endif
2254 {
2255 .name = "jit",
2256 .args_type = "",
2257 .params = "",
2258 .help = "show dynamic compiler info",
2259 .mhandler.info = do_info_jit,
2260 },
2261 {
2262 .name = "kvm",
2263 .args_type = "",
2264 .params = "",
2265 .help = "show KVM information",
2266 .mhandler.info = do_info_kvm,
2267 },
2268 {
2269 .name = "numa",
2270 .args_type = "",
2271 .params = "",
2272 .help = "show NUMA information",
2273 .mhandler.info = do_info_numa,
2274 },
2275 {
2276 .name = "usb",
2277 .args_type = "",
2278 .params = "",
2279 .help = "show guest USB devices",
2280 .mhandler.info = usb_info,
2281 },
2282 {
2283 .name = "usbhost",
2284 .args_type = "",
2285 .params = "",
2286 .help = "show host USB devices",
2287 .mhandler.info = usb_host_info,
2288 },
2289 {
2290 .name = "profile",
2291 .args_type = "",
2292 .params = "",
2293 .help = "show profiling information",
2294 .mhandler.info = do_info_profile,
2295 },
2296 {
2297 .name = "capture",
2298 .args_type = "",
2299 .params = "",
2300 .help = "show capture information",
2301 .mhandler.info = do_info_capture,
2302 },
2303 {
2304 .name = "snapshots",
2305 .args_type = "",
2306 .params = "",
2307 .help = "show the currently saved VM snapshots",
2308 .mhandler.info = do_info_snapshots,
2309 },
2310 {
2311 .name = "status",
2312 .args_type = "",
2313 .params = "",
2314 .help = "show the current VM status (running|paused)",
2315 .mhandler.info = do_info_status,
2316 },
2317 {
2318 .name = "pcmcia",
2319 .args_type = "",
2320 .params = "",
2321 .help = "show guest PCMCIA status",
2322 .mhandler.info = pcmcia_info,
2323 },
2324 {
2325 .name = "mice",
2326 .args_type = "",
2327 .params = "",
2328 .help = "show which guest mouse is receiving events",
2329 .mhandler.info = do_info_mice,
2330 },
2331 {
2332 .name = "vnc",
2333 .args_type = "",
2334 .params = "",
2335 .help = "show the vnc server status",
2336 .mhandler.info = do_info_vnc,
2337 },
2338 {
2339 .name = "name",
2340 .args_type = "",
2341 .params = "",
2342 .help = "show the current VM name",
2343 .mhandler.info = do_info_name,
2344 },
2345 {
2346 .name = "uuid",
2347 .args_type = "",
2348 .params = "",
2349 .help = "show the current VM UUID",
2350 .mhandler.info = do_info_uuid,
2351 },
2352 #if defined(TARGET_PPC)
2353 {
2354 .name = "cpustats",
2355 .args_type = "",
2356 .params = "",
2357 .help = "show CPU statistics",
2358 .mhandler.info = do_info_cpu_stats,
2359 },
2360 #endif
2361 #if defined(CONFIG_SLIRP)
2362 {
2363 .name = "usernet",
2364 .args_type = "",
2365 .params = "",
2366 .help = "show user network stack connection states",
2367 .mhandler.info = do_info_usernet,
2368 },
2369 #endif
2370 {
2371 .name = "migrate",
2372 .args_type = "",
2373 .params = "",
2374 .help = "show migration status",
2375 .mhandler.info = do_info_migrate,
2376 },
2377 {
2378 .name = "balloon",
2379 .args_type = "",
2380 .params = "",
2381 .help = "show balloon information",
2382 .user_print = monitor_print_balloon,
2383 .mhandler.info_new = do_info_balloon,
2384 },
2385 {
2386 .name = "qtree",
2387 .args_type = "",
2388 .params = "",
2389 .help = "show device tree",
2390 .mhandler.info = do_info_qtree,
2391 },
2392 {
2393 .name = "qdm",
2394 .args_type = "",
2395 .params = "",
2396 .help = "show qdev device model list",
2397 .mhandler.info = do_info_qdm,
2398 },
2399 {
2400 .name = "roms",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show roms",
2404 .mhandler.info = do_info_roms,
2405 },
2406 {
2407 .name = NULL,
2408 },
2409 };
2410
2411 /*******************************************************************/
2412
2413 static const char *pch;
2414 static jmp_buf expr_env;
2415
2416 #define MD_TLONG 0
2417 #define MD_I32 1
2418
2419 typedef struct MonitorDef {
2420 const char *name;
2421 int offset;
2422 target_long (*get_value)(const struct MonitorDef *md, int val);
2423 int type;
2424 } MonitorDef;
2425
2426 #if defined(TARGET_I386)
2427 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2428 {
2429 CPUState *env = mon_get_cpu();
2430 if (!env)
2431 return 0;
2432 return env->eip + env->segs[R_CS].base;
2433 }
2434 #endif
2435
2436 #if defined(TARGET_PPC)
2437 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2438 {
2439 CPUState *env = mon_get_cpu();
2440 unsigned int u;
2441 int i;
2442
2443 if (!env)
2444 return 0;
2445
2446 u = 0;
2447 for (i = 0; i < 8; i++)
2448 u |= env->crf[i] << (32 - (4 * i));
2449
2450 return u;
2451 }
2452
2453 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2454 {
2455 CPUState *env = mon_get_cpu();
2456 if (!env)
2457 return 0;
2458 return env->msr;
2459 }
2460
2461 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2462 {
2463 CPUState *env = mon_get_cpu();
2464 if (!env)
2465 return 0;
2466 return env->xer;
2467 }
2468
2469 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2470 {
2471 CPUState *env = mon_get_cpu();
2472 if (!env)
2473 return 0;
2474 return cpu_ppc_load_decr(env);
2475 }
2476
2477 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2478 {
2479 CPUState *env = mon_get_cpu();
2480 if (!env)
2481 return 0;
2482 return cpu_ppc_load_tbu(env);
2483 }
2484
2485 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2486 {
2487 CPUState *env = mon_get_cpu();
2488 if (!env)
2489 return 0;
2490 return cpu_ppc_load_tbl(env);
2491 }
2492 #endif
2493
2494 #if defined(TARGET_SPARC)
2495 #ifndef TARGET_SPARC64
2496 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2497 {
2498 CPUState *env = mon_get_cpu();
2499 if (!env)
2500 return 0;
2501 return GET_PSR(env);
2502 }
2503 #endif
2504
2505 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2506 {
2507 CPUState *env = mon_get_cpu();
2508 if (!env)
2509 return 0;
2510 return env->regwptr[val];
2511 }
2512 #endif
2513
2514 static const MonitorDef monitor_defs[] = {
2515 #ifdef TARGET_I386
2516
2517 #define SEG(name, seg) \
2518 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2519 { name ".base", offsetof(CPUState, segs[seg].base) },\
2520 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2521
2522 { "eax", offsetof(CPUState, regs[0]) },
2523 { "ecx", offsetof(CPUState, regs[1]) },
2524 { "edx", offsetof(CPUState, regs[2]) },
2525 { "ebx", offsetof(CPUState, regs[3]) },
2526 { "esp|sp", offsetof(CPUState, regs[4]) },
2527 { "ebp|fp", offsetof(CPUState, regs[5]) },
2528 { "esi", offsetof(CPUState, regs[6]) },
2529 { "edi", offsetof(CPUState, regs[7]) },
2530 #ifdef TARGET_X86_64
2531 { "r8", offsetof(CPUState, regs[8]) },
2532 { "r9", offsetof(CPUState, regs[9]) },
2533 { "r10", offsetof(CPUState, regs[10]) },
2534 { "r11", offsetof(CPUState, regs[11]) },
2535 { "r12", offsetof(CPUState, regs[12]) },
2536 { "r13", offsetof(CPUState, regs[13]) },
2537 { "r14", offsetof(CPUState, regs[14]) },
2538 { "r15", offsetof(CPUState, regs[15]) },
2539 #endif
2540 { "eflags", offsetof(CPUState, eflags) },
2541 { "eip", offsetof(CPUState, eip) },
2542 SEG("cs", R_CS)
2543 SEG("ds", R_DS)
2544 SEG("es", R_ES)
2545 SEG("ss", R_SS)
2546 SEG("fs", R_FS)
2547 SEG("gs", R_GS)
2548 { "pc", 0, monitor_get_pc, },
2549 #elif defined(TARGET_PPC)
2550 /* General purpose registers */
2551 { "r0", offsetof(CPUState, gpr[0]) },
2552 { "r1", offsetof(CPUState, gpr[1]) },
2553 { "r2", offsetof(CPUState, gpr[2]) },
2554 { "r3", offsetof(CPUState, gpr[3]) },
2555 { "r4", offsetof(CPUState, gpr[4]) },
2556 { "r5", offsetof(CPUState, gpr[5]) },
2557 { "r6", offsetof(CPUState, gpr[6]) },
2558 { "r7", offsetof(CPUState, gpr[7]) },
2559 { "r8", offsetof(CPUState, gpr[8]) },
2560 { "r9", offsetof(CPUState, gpr[9]) },
2561 { "r10", offsetof(CPUState, gpr[10]) },
2562 { "r11", offsetof(CPUState, gpr[11]) },
2563 { "r12", offsetof(CPUState, gpr[12]) },
2564 { "r13", offsetof(CPUState, gpr[13]) },
2565 { "r14", offsetof(CPUState, gpr[14]) },
2566 { "r15", offsetof(CPUState, gpr[15]) },
2567 { "r16", offsetof(CPUState, gpr[16]) },
2568 { "r17", offsetof(CPUState, gpr[17]) },
2569 { "r18", offsetof(CPUState, gpr[18]) },
2570 { "r19", offsetof(CPUState, gpr[19]) },
2571 { "r20", offsetof(CPUState, gpr[20]) },
2572 { "r21", offsetof(CPUState, gpr[21]) },
2573 { "r22", offsetof(CPUState, gpr[22]) },
2574 { "r23", offsetof(CPUState, gpr[23]) },
2575 { "r24", offsetof(CPUState, gpr[24]) },
2576 { "r25", offsetof(CPUState, gpr[25]) },
2577 { "r26", offsetof(CPUState, gpr[26]) },
2578 { "r27", offsetof(CPUState, gpr[27]) },
2579 { "r28", offsetof(CPUState, gpr[28]) },
2580 { "r29", offsetof(CPUState, gpr[29]) },
2581 { "r30", offsetof(CPUState, gpr[30]) },
2582 { "r31", offsetof(CPUState, gpr[31]) },
2583 /* Floating point registers */
2584 { "f0", offsetof(CPUState, fpr[0]) },
2585 { "f1", offsetof(CPUState, fpr[1]) },
2586 { "f2", offsetof(CPUState, fpr[2]) },
2587 { "f3", offsetof(CPUState, fpr[3]) },
2588 { "f4", offsetof(CPUState, fpr[4]) },
2589 { "f5", offsetof(CPUState, fpr[5]) },
2590 { "f6", offsetof(CPUState, fpr[6]) },
2591 { "f7", offsetof(CPUState, fpr[7]) },
2592 { "f8", offsetof(CPUState, fpr[8]) },
2593 { "f9", offsetof(CPUState, fpr[9]) },
2594 { "f10", offsetof(CPUState, fpr[10]) },
2595 { "f11", offsetof(CPUState, fpr[11]) },
2596 { "f12", offsetof(CPUState, fpr[12]) },
2597 { "f13", offsetof(CPUState, fpr[13]) },
2598 { "f14", offsetof(CPUState, fpr[14]) },
2599 { "f15", offsetof(CPUState, fpr[15]) },
2600 { "f16", offsetof(CPUState, fpr[16]) },
2601 { "f17", offsetof(CPUState, fpr[17]) },
2602 { "f18", offsetof(CPUState, fpr[18]) },
2603 { "f19", offsetof(CPUState, fpr[19]) },
2604 { "f20", offsetof(CPUState, fpr[20]) },
2605 { "f21", offsetof(CPUState, fpr[21]) },
2606 { "f22", offsetof(CPUState, fpr[22]) },
2607 { "f23", offsetof(CPUState, fpr[23]) },
2608 { "f24", offsetof(CPUState, fpr[24]) },
2609 { "f25", offsetof(CPUState, fpr[25]) },
2610 { "f26", offsetof(CPUState, fpr[26]) },
2611 { "f27", offsetof(CPUState, fpr[27]) },
2612 { "f28", offsetof(CPUState, fpr[28]) },
2613 { "f29", offsetof(CPUState, fpr[29]) },
2614 { "f30", offsetof(CPUState, fpr[30]) },
2615 { "f31", offsetof(CPUState, fpr[31]) },
2616 { "fpscr", offsetof(CPUState, fpscr) },
2617 /* Next instruction pointer */
2618 { "nip|pc", offsetof(CPUState, nip) },
2619 { "lr", offsetof(CPUState, lr) },
2620 { "ctr", offsetof(CPUState, ctr) },
2621 { "decr", 0, &monitor_get_decr, },
2622 { "ccr", 0, &monitor_get_ccr, },
2623 /* Machine state register */
2624 { "msr", 0, &monitor_get_msr, },
2625 { "xer", 0, &monitor_get_xer, },
2626 { "tbu", 0, &monitor_get_tbu, },
2627 { "tbl", 0, &monitor_get_tbl, },
2628 #if defined(TARGET_PPC64)
2629 /* Address space register */
2630 { "asr", offsetof(CPUState, asr) },
2631 #endif
2632 /* Segment registers */
2633 { "sdr1", offsetof(CPUState, sdr1) },
2634 { "sr0", offsetof(CPUState, sr[0]) },
2635 { "sr1", offsetof(CPUState, sr[1]) },
2636 { "sr2", offsetof(CPUState, sr[2]) },
2637 { "sr3", offsetof(CPUState, sr[3]) },
2638 { "sr4", offsetof(CPUState, sr[4]) },
2639 { "sr5", offsetof(CPUState, sr[5]) },
2640 { "sr6", offsetof(CPUState, sr[6]) },
2641 { "sr7", offsetof(CPUState, sr[7]) },
2642 { "sr8", offsetof(CPUState, sr[8]) },
2643 { "sr9", offsetof(CPUState, sr[9]) },
2644 { "sr10", offsetof(CPUState, sr[10]) },
2645 { "sr11", offsetof(CPUState, sr[11]) },
2646 { "sr12", offsetof(CPUState, sr[12]) },
2647 { "sr13", offsetof(CPUState, sr[13]) },
2648 { "sr14", offsetof(CPUState, sr[14]) },
2649 { "sr15", offsetof(CPUState, sr[15]) },
2650 /* Too lazy to put BATs and SPRs ... */
2651 #elif defined(TARGET_SPARC)
2652 { "g0", offsetof(CPUState, gregs[0]) },
2653 { "g1", offsetof(CPUState, gregs[1]) },
2654 { "g2", offsetof(CPUState, gregs[2]) },
2655 { "g3", offsetof(CPUState, gregs[3]) },
2656 { "g4", offsetof(CPUState, gregs[4]) },
2657 { "g5", offsetof(CPUState, gregs[5]) },
2658 { "g6", offsetof(CPUState, gregs[6]) },
2659 { "g7", offsetof(CPUState, gregs[7]) },
2660 { "o0", 0, monitor_get_reg },
2661 { "o1", 1, monitor_get_reg },
2662 { "o2", 2, monitor_get_reg },
2663 { "o3", 3, monitor_get_reg },
2664 { "o4", 4, monitor_get_reg },
2665 { "o5", 5, monitor_get_reg },
2666 { "o6", 6, monitor_get_reg },
2667 { "o7", 7, monitor_get_reg },
2668 { "l0", 8, monitor_get_reg },
2669 { "l1", 9, monitor_get_reg },
2670 { "l2", 10, monitor_get_reg },
2671 { "l3", 11, monitor_get_reg },
2672 { "l4", 12, monitor_get_reg },
2673 { "l5", 13, monitor_get_reg },
2674 { "l6", 14, monitor_get_reg },
2675 { "l7", 15, monitor_get_reg },
2676 { "i0", 16, monitor_get_reg },
2677 { "i1", 17, monitor_get_reg },
2678 { "i2", 18, monitor_get_reg },
2679 { "i3", 19, monitor_get_reg },
2680 { "i4", 20, monitor_get_reg },
2681 { "i5", 21, monitor_get_reg },
2682 { "i6", 22, monitor_get_reg },
2683 { "i7", 23, monitor_get_reg },
2684 { "pc", offsetof(CPUState, pc) },
2685 { "npc", offsetof(CPUState, npc) },
2686 { "y", offsetof(CPUState, y) },
2687 #ifndef TARGET_SPARC64
2688 { "psr", 0, &monitor_get_psr, },
2689 { "wim", offsetof(CPUState, wim) },
2690 #endif
2691 { "tbr", offsetof(CPUState, tbr) },
2692 { "fsr", offsetof(CPUState, fsr) },
2693 { "f0", offsetof(CPUState, fpr[0]) },
2694 { "f1", offsetof(CPUState, fpr[1]) },
2695 { "f2", offsetof(CPUState, fpr[2]) },
2696 { "f3", offsetof(CPUState, fpr[3]) },
2697 { "f4", offsetof(CPUState, fpr[4]) },
2698 { "f5", offsetof(CPUState, fpr[5]) },
2699 { "f6", offsetof(CPUState, fpr[6]) },
2700 { "f7", offsetof(CPUState, fpr[7]) },
2701 { "f8", offsetof(CPUState, fpr[8]) },
2702 { "f9", offsetof(CPUState, fpr[9]) },
2703 { "f10", offsetof(CPUState, fpr[10]) },
2704 { "f11", offsetof(CPUState, fpr[11]) },
2705 { "f12", offsetof(CPUState, fpr[12]) },
2706 { "f13", offsetof(CPUState, fpr[13]) },
2707 { "f14", offsetof(CPUState, fpr[14]) },
2708 { "f15", offsetof(CPUState, fpr[15]) },
2709 { "f16", offsetof(CPUState, fpr[16]) },
2710 { "f17", offsetof(CPUState, fpr[17]) },
2711 { "f18", offsetof(CPUState, fpr[18]) },
2712 { "f19", offsetof(CPUState, fpr[19]) },
2713 { "f20", offsetof(CPUState, fpr[20]) },
2714 { "f21", offsetof(CPUState, fpr[21]) },
2715 { "f22", offsetof(CPUState, fpr[22]) },
2716 { "f23", offsetof(CPUState, fpr[23]) },
2717 { "f24", offsetof(CPUState, fpr[24]) },
2718 { "f25", offsetof(CPUState, fpr[25]) },
2719 { "f26", offsetof(CPUState, fpr[26]) },
2720 { "f27", offsetof(CPUState, fpr[27]) },
2721 { "f28", offsetof(CPUState, fpr[28]) },
2722 { "f29", offsetof(CPUState, fpr[29]) },
2723 { "f30", offsetof(CPUState, fpr[30]) },
2724 { "f31", offsetof(CPUState, fpr[31]) },
2725 #ifdef TARGET_SPARC64
2726 { "f32", offsetof(CPUState, fpr[32]) },
2727 { "f34", offsetof(CPUState, fpr[34]) },
2728 { "f36", offsetof(CPUState, fpr[36]) },
2729 { "f38", offsetof(CPUState, fpr[38]) },
2730 { "f40", offsetof(CPUState, fpr[40]) },
2731 { "f42", offsetof(CPUState, fpr[42]) },
2732 { "f44", offsetof(CPUState, fpr[44]) },
2733 { "f46", offsetof(CPUState, fpr[46]) },
2734 { "f48", offsetof(CPUState, fpr[48]) },
2735 { "f50", offsetof(CPUState, fpr[50]) },
2736 { "f52", offsetof(CPUState, fpr[52]) },
2737 { "f54", offsetof(CPUState, fpr[54]) },
2738 { "f56", offsetof(CPUState, fpr[56]) },
2739 { "f58", offsetof(CPUState, fpr[58]) },
2740 { "f60", offsetof(CPUState, fpr[60]) },
2741 { "f62", offsetof(CPUState, fpr[62]) },
2742 { "asi", offsetof(CPUState, asi) },
2743 { "pstate", offsetof(CPUState, pstate) },
2744 { "cansave", offsetof(CPUState, cansave) },
2745 { "canrestore", offsetof(CPUState, canrestore) },
2746 { "otherwin", offsetof(CPUState, otherwin) },
2747 { "wstate", offsetof(CPUState, wstate) },
2748 { "cleanwin", offsetof(CPUState, cleanwin) },
2749 { "fprs", offsetof(CPUState, fprs) },
2750 #endif
2751 #endif
2752 { NULL },
2753 };
2754
2755 static void expr_error(Monitor *mon, const char *msg)
2756 {
2757 monitor_printf(mon, "%s\n", msg);
2758 longjmp(expr_env, 1);
2759 }
2760
2761 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2762 static int get_monitor_def(target_long *pval, const char *name)
2763 {
2764 const MonitorDef *md;
2765 void *ptr;
2766
2767 for(md = monitor_defs; md->name != NULL; md++) {
2768 if (compare_cmd(name, md->name)) {
2769 if (md->get_value) {
2770 *pval = md->get_value(md, md->offset);
2771 } else {
2772 CPUState *env = mon_get_cpu();
2773 if (!env)
2774 return -2;
2775 ptr = (uint8_t *)env + md->offset;
2776 switch(md->type) {
2777 case MD_I32:
2778 *pval = *(int32_t *)ptr;
2779 break;
2780 case MD_TLONG:
2781 *pval = *(target_long *)ptr;
2782 break;
2783 default:
2784 *pval = 0;
2785 break;
2786 }
2787 }
2788 return 0;
2789 }
2790 }
2791 return -1;
2792 }
2793
2794 static void next(void)
2795 {
2796 if (*pch != '\0') {
2797 pch++;
2798 while (qemu_isspace(*pch))
2799 pch++;
2800 }
2801 }
2802
2803 static int64_t expr_sum(Monitor *mon);
2804
2805 static int64_t expr_unary(Monitor *mon)
2806 {
2807 int64_t n;
2808 char *p;
2809 int ret;
2810
2811 switch(*pch) {
2812 case '+':
2813 next();
2814 n = expr_unary(mon);
2815 break;
2816 case '-':
2817 next();
2818 n = -expr_unary(mon);
2819 break;
2820 case '~':
2821 next();
2822 n = ~expr_unary(mon);
2823 break;
2824 case '(':
2825 next();
2826 n = expr_sum(mon);
2827 if (*pch != ')') {
2828 expr_error(mon, "')' expected");
2829 }
2830 next();
2831 break;
2832 case '\'':
2833 pch++;
2834 if (*pch == '\0')
2835 expr_error(mon, "character constant expected");
2836 n = *pch;
2837 pch++;
2838 if (*pch != '\'')
2839 expr_error(mon, "missing terminating \' character");
2840 next();
2841 break;
2842 case '$':
2843 {
2844 char buf[128], *q;
2845 target_long reg=0;
2846
2847 pch++;
2848 q = buf;
2849 while ((*pch >= 'a' && *pch <= 'z') ||
2850 (*pch >= 'A' && *pch <= 'Z') ||
2851 (*pch >= '0' && *pch <= '9') ||
2852 *pch == '_' || *pch == '.') {
2853 if ((q - buf) < sizeof(buf) - 1)
2854 *q++ = *pch;
2855 pch++;
2856 }
2857 while (qemu_isspace(*pch))
2858 pch++;
2859 *q = 0;
2860 ret = get_monitor_def(&reg, buf);
2861 if (ret == -1)
2862 expr_error(mon, "unknown register");
2863 else if (ret == -2)
2864 expr_error(mon, "no cpu defined");
2865 n = reg;
2866 }
2867 break;
2868 case '\0':
2869 expr_error(mon, "unexpected end of expression");
2870 n = 0;
2871 break;
2872 default:
2873 #if TARGET_PHYS_ADDR_BITS > 32
2874 n = strtoull(pch, &p, 0);
2875 #else
2876 n = strtoul(pch, &p, 0);
2877 #endif
2878 if (pch == p) {
2879 expr_error(mon, "invalid char in expression");
2880 }
2881 pch = p;
2882 while (qemu_isspace(*pch))
2883 pch++;
2884 break;
2885 }
2886 return n;
2887 }
2888
2889
2890 static int64_t expr_prod(Monitor *mon)
2891 {
2892 int64_t val, val2;
2893 int op;
2894
2895 val = expr_unary(mon);
2896 for(;;) {
2897 op = *pch;
2898 if (op != '*' && op != '/' && op != '%')
2899 break;
2900 next();
2901 val2 = expr_unary(mon);
2902 switch(op) {
2903 default:
2904 case '*':
2905 val *= val2;
2906 break;
2907 case '/':
2908 case '%':
2909 if (val2 == 0)
2910 expr_error(mon, "division by zero");
2911 if (op == '/')
2912 val /= val2;
2913 else
2914 val %= val2;
2915 break;
2916 }
2917 }
2918 return val;
2919 }
2920
2921 static int64_t expr_logic(Monitor *mon)
2922 {
2923 int64_t val, val2;
2924 int op;
2925
2926 val = expr_prod(mon);
2927 for(;;) {
2928 op = *pch;
2929 if (op != '&' && op != '|' && op != '^')
2930 break;
2931 next();
2932 val2 = expr_prod(mon);
2933 switch(op) {
2934 default:
2935 case '&':
2936 val &= val2;
2937 break;
2938 case '|':
2939 val |= val2;
2940 break;
2941 case '^':
2942 val ^= val2;
2943 break;
2944 }
2945 }
2946 return val;
2947 }
2948
2949 static int64_t expr_sum(Monitor *mon)
2950 {
2951 int64_t val, val2;
2952 int op;
2953
2954 val = expr_logic(mon);
2955 for(;;) {
2956 op = *pch;
2957 if (op != '+' && op != '-')
2958 break;
2959 next();
2960 val2 = expr_logic(mon);
2961 if (op == '+')
2962 val += val2;
2963 else
2964 val -= val2;
2965 }
2966 return val;
2967 }
2968
2969 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2970 {
2971 pch = *pp;
2972 if (setjmp(expr_env)) {
2973 *pp = pch;
2974 return -1;
2975 }
2976 while (qemu_isspace(*pch))
2977 pch++;
2978 *pval = expr_sum(mon);
2979 *pp = pch;
2980 return 0;
2981 }
2982
2983 static int get_str(char *buf, int buf_size, const char **pp)
2984 {
2985 const char *p;
2986 char *q;
2987 int c;
2988
2989 q = buf;
2990 p = *pp;
2991 while (qemu_isspace(*p))
2992 p++;
2993 if (*p == '\0') {
2994 fail:
2995 *q = '\0';
2996 *pp = p;
2997 return -1;
2998 }
2999 if (*p == '\"') {
3000 p++;
3001 while (*p != '\0' && *p != '\"') {
3002 if (*p == '\\') {
3003 p++;
3004 c = *p++;
3005 switch(c) {
3006 case 'n':
3007 c = '\n';
3008 break;
3009 case 'r':
3010 c = '\r';
3011 break;
3012 case '\\':
3013 case '\'':
3014 case '\"':
3015 break;
3016 default:
3017 qemu_printf("unsupported escape code: '\\%c'\n", c);
3018 goto fail;
3019 }
3020 if ((q - buf) < buf_size - 1) {
3021 *q++ = c;
3022 }
3023 } else {
3024 if ((q - buf) < buf_size - 1) {
3025 *q++ = *p;
3026 }
3027 p++;
3028 }
3029 }
3030 if (*p != '\"') {
3031 qemu_printf("unterminated string\n");
3032 goto fail;
3033 }
3034 p++;
3035 } else {
3036 while (*p != '\0' && !qemu_isspace(*p)) {
3037 if ((q - buf) < buf_size - 1) {
3038 *q++ = *p;
3039 }
3040 p++;
3041 }
3042 }
3043 *q = '\0';
3044 *pp = p;
3045 return 0;
3046 }
3047
3048 /*
3049 * Store the command-name in cmdname, and return a pointer to
3050 * the remaining of the command string.
3051 */
3052 static const char *get_command_name(const char *cmdline,
3053 char *cmdname, size_t nlen)
3054 {
3055 size_t len;
3056 const char *p, *pstart;
3057
3058 p = cmdline;
3059 while (qemu_isspace(*p))
3060 p++;
3061 if (*p == '\0')
3062 return NULL;
3063 pstart = p;
3064 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3065 p++;
3066 len = p - pstart;
3067 if (len > nlen - 1)
3068 len = nlen - 1;
3069 memcpy(cmdname, pstart, len);
3070 cmdname[len] = '\0';
3071 return p;
3072 }
3073
3074 /**
3075 * Read key of 'type' into 'key' and return the current
3076 * 'type' pointer.
3077 */
3078 static char *key_get_info(const char *type, char **key)
3079 {
3080 size_t len;
3081 char *p, *str;
3082
3083 if (*type == ',')
3084 type++;
3085
3086 p = strchr(type, ':');
3087 if (!p) {
3088 *key = NULL;
3089 return NULL;
3090 }
3091 len = p - type;
3092
3093 str = qemu_malloc(len + 1);
3094 memcpy(str, type, len);
3095 str[len] = '\0';
3096
3097 *key = str;
3098 return ++p;
3099 }
3100
3101 static int default_fmt_format = 'x';
3102 static int default_fmt_size = 4;
3103
3104 #define MAX_ARGS 16
3105
3106 static int is_valid_option(const char *c, const char *typestr)
3107 {
3108 char option[3];
3109
3110 option[0] = '-';
3111 option[1] = *c;
3112 option[2] = '\0';
3113
3114 typestr = strstr(typestr, option);
3115 return (typestr != NULL);
3116 }
3117
3118 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3119 {
3120 const mon_cmd_t *cmd;
3121
3122 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3123 if (compare_cmd(cmdname, cmd->name)) {
3124 return cmd;
3125 }
3126 }
3127
3128 return NULL;
3129 }
3130
3131 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3132 const char *cmdline,
3133 QDict *qdict)
3134 {
3135 const char *p, *typestr;
3136 int c;
3137 const mon_cmd_t *cmd;
3138 char cmdname[256];
3139 char buf[1024];
3140 char *key;
3141
3142 #ifdef DEBUG
3143 monitor_printf(mon, "command='%s'\n", cmdline);
3144 #endif
3145
3146 /* extract the command name */
3147 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3148 if (!p)
3149 return NULL;
3150
3151 cmd = monitor_find_command(cmdname);
3152 if (!cmd) {
3153 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3154 return NULL;
3155 }
3156
3157 /* parse the parameters */
3158 typestr = cmd->args_type;
3159 for(;;) {
3160 typestr = key_get_info(typestr, &key);
3161 if (!typestr)
3162 break;
3163 c = *typestr;
3164 typestr++;
3165 switch(c) {
3166 case 'F':
3167 case 'B':
3168 case 's':
3169 {
3170 int ret;
3171
3172 while (qemu_isspace(*p))
3173 p++;
3174 if (*typestr == '?') {
3175 typestr++;
3176 if (*p == '\0') {
3177 /* no optional string: NULL argument */
3178 break;
3179 }
3180 }
3181 ret = get_str(buf, sizeof(buf), &p);
3182 if (ret < 0) {
3183 switch(c) {
3184 case 'F':
3185 monitor_printf(mon, "%s: filename expected\n",
3186 cmdname);
3187 break;
3188 case 'B':
3189 monitor_printf(mon, "%s: block device name expected\n",
3190 cmdname);
3191 break;
3192 default:
3193 monitor_printf(mon, "%s: string expected\n", cmdname);
3194 break;
3195 }
3196 goto fail;
3197 }
3198 qdict_put(qdict, key, qstring_from_str(buf));
3199 }
3200 break;
3201 case '/':
3202 {
3203 int count, format, size;
3204
3205 while (qemu_isspace(*p))
3206 p++;
3207 if (*p == '/') {
3208 /* format found */
3209 p++;
3210 count = 1;
3211 if (qemu_isdigit(*p)) {
3212 count = 0;
3213 while (qemu_isdigit(*p)) {
3214 count = count * 10 + (*p - '0');
3215 p++;
3216 }
3217 }
3218 size = -1;
3219 format = -1;
3220 for(;;) {
3221 switch(*p) {
3222 case 'o':
3223 case 'd':
3224 case 'u':
3225 case 'x':
3226 case 'i':
3227 case 'c':
3228 format = *p++;
3229 break;
3230 case 'b':
3231 size = 1;
3232 p++;
3233 break;
3234 case 'h':
3235 size = 2;
3236 p++;
3237 break;
3238 case 'w':
3239 size = 4;
3240 p++;
3241 break;
3242 case 'g':
3243 case 'L':
3244 size = 8;
3245 p++;
3246 break;
3247 default:
3248 goto next;
3249 }
3250 }
3251 next:
3252 if (*p != '\0' && !qemu_isspace(*p)) {
3253 monitor_printf(mon, "invalid char in format: '%c'\n",
3254 *p);
3255 goto fail;
3256 }
3257 if (format < 0)
3258 format = default_fmt_format;
3259 if (format != 'i') {
3260 /* for 'i', not specifying a size gives -1 as size */
3261 if (size < 0)
3262 size = default_fmt_size;
3263 default_fmt_size = size;
3264 }
3265 default_fmt_format = format;
3266 } else {
3267 count = 1;
3268 format = default_fmt_format;
3269 if (format != 'i') {
3270 size = default_fmt_size;
3271 } else {
3272 size = -1;
3273 }
3274 }
3275 qdict_put(qdict, "count", qint_from_int(count));
3276 qdict_put(qdict, "format", qint_from_int(format));
3277 qdict_put(qdict, "size", qint_from_int(size));
3278 }
3279 break;
3280 case 'i':
3281 case 'l':
3282 {
3283 int64_t val;
3284
3285 while (qemu_isspace(*p))
3286 p++;
3287 if (*typestr == '?' || *typestr == '.') {
3288 if (*typestr == '?') {
3289 if (*p == '\0') {
3290 typestr++;
3291 break;
3292 }
3293 } else {
3294 if (*p == '.') {
3295 p++;
3296 while (qemu_isspace(*p))
3297 p++;
3298 } else {
3299 typestr++;
3300 break;
3301 }
3302 }
3303 typestr++;
3304 }
3305 if (get_expr(mon, &val, &p))
3306 goto fail;
3307 /* Check if 'i' is greater than 32-bit */
3308 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3309 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3310 monitor_printf(mon, "integer is for 32-bit values\n");
3311 goto fail;
3312 }
3313 qdict_put(qdict, key, qint_from_int(val));
3314 }
3315 break;
3316 case '-':
3317 {
3318 const char *tmp = p;
3319 int has_option, skip_key = 0;
3320 /* option */
3321
3322 c = *typestr++;
3323 if (c == '\0')
3324 goto bad_type;
3325 while (qemu_isspace(*p))
3326 p++;
3327 has_option = 0;
3328 if (*p == '-') {
3329 p++;
3330 if(c != *p) {
3331 if(!is_valid_option(p, typestr)) {
3332
3333 monitor_printf(mon, "%s: unsupported option -%c\n",
3334 cmdname, *p);
3335 goto fail;
3336 } else {
3337 skip_key = 1;
3338 }
3339 }
3340 if(skip_key) {
3341 p = tmp;
3342 } else {
3343 p++;
3344 has_option = 1;
3345 }
3346 }
3347 qdict_put(qdict, key, qint_from_int(has_option));
3348 }
3349 break;
3350 default:
3351 bad_type:
3352 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3353 goto fail;
3354 }
3355 qemu_free(key);
3356 key = NULL;
3357 }
3358 /* check that all arguments were parsed */
3359 while (qemu_isspace(*p))
3360 p++;
3361 if (*p != '\0') {
3362 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3363 cmdname);
3364 goto fail;
3365 }
3366
3367 return cmd;
3368
3369 fail:
3370 qemu_free(key);
3371 return NULL;
3372 }
3373
3374 static void monitor_print_error(Monitor *mon)
3375 {
3376 qerror_print(mon->error);
3377 QDECREF(mon->error);
3378 mon->error = NULL;
3379 }
3380
3381 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3382 const QDict *params)
3383 {
3384 QObject *data = NULL;
3385
3386 cmd->mhandler.cmd_new(mon, params, &data);
3387
3388 if (monitor_ctrl_mode(mon)) {
3389 /* Monitor Protocol */
3390 monitor_protocol_emitter(mon, data);
3391 } else {
3392 /* User Protocol */
3393 if (data)
3394 cmd->user_print(mon, data);
3395 }
3396
3397 qobject_decref(data);
3398 }
3399
3400 static void handle_user_command(Monitor *mon, const char *cmdline)
3401 {
3402 QDict *qdict;
3403 const mon_cmd_t *cmd;
3404
3405 qdict = qdict_new();
3406
3407 cmd = monitor_parse_command(mon, cmdline, qdict);
3408 if (!cmd)
3409 goto out;
3410
3411 qemu_errors_to_mon(mon);
3412
3413 if (monitor_handler_ported(cmd)) {
3414 monitor_call_handler(mon, cmd, qdict);
3415 } else {
3416 cmd->mhandler.cmd(mon, qdict);
3417 }
3418
3419 if (monitor_has_error(mon))
3420 monitor_print_error(mon);
3421
3422 qemu_errors_to_previous();
3423
3424 out:
3425 QDECREF(qdict);
3426 }
3427
3428 static void cmd_completion(const char *name, const char *list)
3429 {
3430 const char *p, *pstart;
3431 char cmd[128];
3432 int len;
3433
3434 p = list;
3435 for(;;) {
3436 pstart = p;
3437 p = strchr(p, '|');
3438 if (!p)
3439 p = pstart + strlen(pstart);
3440 len = p - pstart;
3441 if (len > sizeof(cmd) - 2)
3442 len = sizeof(cmd) - 2;
3443 memcpy(cmd, pstart, len);
3444 cmd[len] = '\0';
3445 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3446 readline_add_completion(cur_mon->rs, cmd);
3447 }
3448 if (*p == '\0')
3449 break;
3450 p++;
3451 }
3452 }
3453
3454 static void file_completion(const char *input)
3455 {
3456 DIR *ffs;
3457 struct dirent *d;
3458 char path[1024];
3459 char file[1024], file_prefix[1024];
3460 int input_path_len;
3461 const char *p;
3462
3463 p = strrchr(input, '/');
3464 if (!p) {
3465 input_path_len = 0;
3466 pstrcpy(file_prefix, sizeof(file_prefix), input);
3467 pstrcpy(path, sizeof(path), ".");
3468 } else {
3469 input_path_len = p - input + 1;
3470 memcpy(path, input, input_path_len);
3471 if (input_path_len > sizeof(path) - 1)
3472 input_path_len = sizeof(path) - 1;
3473 path[input_path_len] = '\0';
3474 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3475 }
3476 #ifdef DEBUG_COMPLETION
3477 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3478 input, path, file_prefix);
3479 #endif
3480 ffs = opendir(path);
3481 if (!ffs)
3482 return;
3483 for(;;) {
3484 struct stat sb;
3485 d = readdir(ffs);
3486 if (!d)
3487 break;
3488 if (strstart(d->d_name, file_prefix, NULL)) {
3489 memcpy(file, input, input_path_len);
3490 if (input_path_len < sizeof(file))
3491 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3492 d->d_name);
3493 /* stat the file to find out if it's a directory.
3494 * In that case add a slash to speed up typing long paths
3495 */
3496 stat(file, &sb);
3497 if(S_ISDIR(sb.st_mode))
3498 pstrcat(file, sizeof(file), "/");
3499 readline_add_completion(cur_mon->rs, file);
3500 }
3501 }
3502 closedir(ffs);
3503 }
3504
3505 static void block_completion_it(void *opaque, BlockDriverState *bs)
3506 {
3507 const char *name = bdrv_get_device_name(bs);
3508 const char *input = opaque;
3509
3510 if (input[0] == '\0' ||
3511 !strncmp(name, (char *)input, strlen(input))) {
3512 readline_add_completion(cur_mon->rs, name);
3513 }
3514 }
3515
3516 /* NOTE: this parser is an approximate form of the real command parser */
3517 static void parse_cmdline(const char *cmdline,
3518 int *pnb_args, char **args)
3519 {
3520 const char *p;
3521 int nb_args, ret;
3522 char buf[1024];
3523
3524 p = cmdline;
3525 nb_args = 0;
3526 for(;;) {
3527 while (qemu_isspace(*p))
3528 p++;
3529 if (*p == '\0')
3530 break;
3531 if (nb_args >= MAX_ARGS)
3532 break;
3533 ret = get_str(buf, sizeof(buf), &p);
3534 args[nb_args] = qemu_strdup(buf);
3535 nb_args++;
3536 if (ret < 0)
3537 break;
3538 }
3539 *pnb_args = nb_args;
3540 }
3541
3542 static const char *next_arg_type(const char *typestr)
3543 {
3544 const char *p = strchr(typestr, ':');
3545 return (p != NULL ? ++p : typestr);
3546 }
3547
3548 static void monitor_find_completion(const char *cmdline)
3549 {
3550 const char *cmdname;
3551 char *args[MAX_ARGS];
3552 int nb_args, i, len;
3553 const char *ptype, *str;
3554 const mon_cmd_t *cmd;
3555 const KeyDef *key;
3556
3557 parse_cmdline(cmdline, &nb_args, args);
3558 #ifdef DEBUG_COMPLETION
3559 for(i = 0; i < nb_args; i++) {
3560 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3561 }
3562 #endif
3563
3564 /* if the line ends with a space, it means we want to complete the
3565 next arg */
3566 len = strlen(cmdline);
3567 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3568 if (nb_args >= MAX_ARGS)
3569 return;
3570 args[nb_args++] = qemu_strdup("");
3571 }
3572 if (nb_args <= 1) {
3573 /* command completion */
3574 if (nb_args == 0)
3575 cmdname = "";
3576 else
3577 cmdname = args[0];
3578 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3579 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3580 cmd_completion(cmdname, cmd->name);
3581 }
3582 } else {
3583 /* find the command */
3584 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3585 if (compare_cmd(args[0], cmd->name))
3586 goto found;
3587 }
3588 return;
3589 found:
3590 ptype = next_arg_type(cmd->args_type);
3591 for(i = 0; i < nb_args - 2; i++) {
3592 if (*ptype != '\0') {
3593 ptype = next_arg_type(ptype);
3594 while (*ptype == '?')
3595 ptype = next_arg_type(ptype);
3596 }
3597 }
3598 str = args[nb_args - 1];
3599 if (*ptype == '-' && ptype[1] != '\0') {
3600 ptype += 2;
3601 }
3602 switch(*ptype) {
3603 case 'F':
3604 /* file completion */
3605 readline_set_completion_index(cur_mon->rs, strlen(str));
3606 file_completion(str);
3607 break;
3608 case 'B':
3609 /* block device name completion */
3610 readline_set_completion_index(cur_mon->rs, strlen(str));
3611 bdrv_iterate(block_completion_it, (void *)str);
3612 break;
3613 case 's':
3614 /* XXX: more generic ? */
3615 if (!strcmp(cmd->name, "info")) {
3616 readline_set_completion_index(cur_mon->rs, strlen(str));
3617 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3618 cmd_completion(str, cmd->name);
3619 }
3620 } else if (!strcmp(cmd->name, "sendkey")) {
3621 char *sep = strrchr(str, '-');
3622 if (sep)
3623 str = sep + 1;
3624 readline_set_completion_index(cur_mon->rs, strlen(str));
3625 for(key = key_defs; key->name != NULL; key++) {
3626 cmd_completion(str, key->name);
3627 }
3628 } else if (!strcmp(cmd->name, "help|?")) {
3629 readline_set_completion_index(cur_mon->rs, strlen(str));
3630 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3631 cmd_completion(str, cmd->name);
3632 }
3633 }
3634 break;
3635 default:
3636 break;
3637 }
3638 }
3639 for(i = 0; i < nb_args; i++)
3640 qemu_free(args[i]);
3641 }
3642
3643 static int monitor_can_read(void *opaque)
3644 {
3645 Monitor *mon = opaque;
3646
3647 return (mon->suspend_cnt == 0) ? 128 : 0;
3648 }
3649
3650 typedef struct CmdArgs {
3651 QString *name;
3652 int type;
3653 int flag;
3654 int optional;
3655 } CmdArgs;
3656
3657 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3658 {
3659 if (!cmd_args->optional) {
3660 qemu_error_new(QERR_MISSING_PARAMETER, name);
3661 return -1;
3662 }
3663
3664 if (cmd_args->type == '-') {
3665 /* handlers expect a value, they need to be changed */
3666 qdict_put(args, name, qint_from_int(0));
3667 }
3668
3669 return 0;
3670 }
3671
3672 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3673 {
3674 QObject *value;
3675 const char *name;
3676
3677 name = qstring_get_str(cmd_args->name);
3678
3679 if (!args) {
3680 return check_opt(cmd_args, name, args);
3681 }
3682
3683 value = qdict_get(args, name);
3684 if (!value) {
3685 return check_opt(cmd_args, name, args);
3686 }
3687
3688 switch (cmd_args->type) {
3689 case 'F':
3690 case 'B':
3691 case 's':
3692 if (qobject_type(value) != QTYPE_QSTRING) {
3693 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3694 return -1;
3695 }
3696 break;
3697 case '/': {
3698 int i;
3699 const char *keys[] = { "count", "format", "size", NULL };
3700
3701 for (i = 0; keys[i]; i++) {
3702 QObject *obj = qdict_get(args, keys[i]);
3703 if (!obj) {
3704 qemu_error_new(QERR_MISSING_PARAMETER, name);
3705 return -1;
3706 }
3707 if (qobject_type(obj) != QTYPE_QINT) {
3708 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3709 return -1;
3710 }
3711 }
3712 break;
3713 }
3714 case 'i':
3715 case 'l':
3716 if (qobject_type(value) != QTYPE_QINT) {
3717 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3718 return -1;
3719 }
3720 break;
3721 case '-':
3722 if (qobject_type(value) != QTYPE_QINT &&
3723 qobject_type(value) != QTYPE_QBOOL) {
3724 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3725 return -1;
3726 }
3727 if (qobject_type(value) == QTYPE_QBOOL) {
3728 /* handlers expect a QInt, they need to be changed */
3729 qdict_put(args, name,
3730 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3731 }
3732 break;
3733 default:
3734 /* impossible */
3735 abort();
3736 }
3737
3738 return 0;
3739 }
3740
3741 static void cmd_args_init(CmdArgs *cmd_args)
3742 {
3743 cmd_args->name = qstring_new();
3744 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3745 }
3746
3747 /*
3748 * This is not trivial, we have to parse Monitor command's argument
3749 * type syntax to be able to check the arguments provided by clients.
3750 *
3751 * In the near future we will be using an array for that and will be
3752 * able to drop all this parsing...
3753 */
3754 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3755 {
3756 int err;
3757 const char *p;
3758 CmdArgs cmd_args;
3759
3760 if (cmd->args_type == NULL) {
3761 return (qdict_size(args) == 0 ? 0 : -1);
3762 }
3763
3764 err = 0;
3765 cmd_args_init(&cmd_args);
3766
3767 for (p = cmd->args_type;; p++) {
3768 if (*p == ':') {
3769 cmd_args.type = *++p;
3770 p++;
3771 if (cmd_args.type == '-') {
3772 cmd_args.flag = *p++;
3773 cmd_args.optional = 1;
3774 } else if (*p == '?') {
3775 cmd_args.optional = 1;
3776 p++;
3777 }
3778
3779 assert(*p == ',' || *p == '\0');
3780 err = check_arg(&cmd_args, args);
3781
3782 QDECREF(cmd_args.name);
3783 cmd_args_init(&cmd_args);
3784
3785 if (err < 0) {
3786 break;
3787 }
3788 } else {
3789 qstring_append_chr(cmd_args.name, *p);
3790 }
3791
3792 if (*p == '\0') {
3793 break;
3794 }
3795 }
3796
3797 QDECREF(cmd_args.name);
3798 return err;
3799 }
3800
3801 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3802 {
3803 int err;
3804 QObject *obj;
3805 QDict *input, *args;
3806 const mon_cmd_t *cmd;
3807 Monitor *mon = cur_mon;
3808 const char *cmd_name, *info_item;
3809
3810 args = NULL;
3811 qemu_errors_to_mon(mon);
3812
3813 obj = json_parser_parse(tokens, NULL);
3814 if (!obj) {
3815 // FIXME: should be triggered in json_parser_parse()
3816 qemu_error_new(QERR_JSON_PARSING);
3817 goto err_out;
3818 } else if (qobject_type(obj) != QTYPE_QDICT) {
3819 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3820 qobject_decref(obj);
3821 goto err_out;
3822 }
3823
3824 input = qobject_to_qdict(obj);
3825
3826 mon->mc->id = qdict_get(input, "id");
3827 qobject_incref(mon->mc->id);
3828
3829 obj = qdict_get(input, "execute");
3830 if (!obj) {
3831 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3832 goto err_input;
3833 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3834 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3835 goto err_input;
3836 }
3837
3838 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3839
3840 /*
3841 * XXX: We need this special case until we get info handlers
3842 * converted into 'query-' commands
3843 */
3844 if (compare_cmd(cmd_name, "info")) {
3845 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3846 goto err_input;
3847 } else if (strstart(cmd_name, "query-", &info_item)) {
3848 cmd = monitor_find_command("info");
3849 qdict_put_obj(input, "arguments",
3850 qobject_from_jsonf("{ 'item': %s }", info_item));
3851 } else {
3852 cmd = monitor_find_command(cmd_name);
3853 if (!cmd) {
3854 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3855 goto err_input;
3856 }
3857 }
3858
3859 obj = qdict_get(input, "arguments");
3860 if (!obj) {
3861 args = qdict_new();
3862 } else {
3863 args = qobject_to_qdict(obj);
3864 QINCREF(args);
3865 }
3866
3867 QDECREF(input);
3868
3869 err = monitor_check_qmp_args(cmd, args);
3870 if (err < 0) {
3871 goto err_out;
3872 }
3873
3874 monitor_call_handler(mon, cmd, args);
3875 goto out;
3876
3877 err_input:
3878 QDECREF(input);
3879 err_out:
3880 monitor_protocol_emitter(mon, NULL);
3881 out:
3882 QDECREF(args);
3883 qemu_errors_to_previous();
3884 }
3885
3886 /**
3887 * monitor_control_read(): Read and handle QMP input
3888 */
3889 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3890 {
3891 Monitor *old_mon = cur_mon;
3892
3893 cur_mon = opaque;
3894
3895 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3896
3897 cur_mon = old_mon;
3898 }
3899
3900 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3901 {
3902 Monitor *old_mon = cur_mon;
3903 int i;
3904
3905 cur_mon = opaque;
3906
3907 if (cur_mon->rs) {
3908 for (i = 0; i < size; i++)
3909 readline_handle_byte(cur_mon->rs, buf[i]);
3910 } else {
3911 if (size == 0 || buf[size - 1] != 0)
3912 monitor_printf(cur_mon, "corrupted command\n");
3913 else
3914 handle_user_command(cur_mon, (char *)buf);
3915 }
3916
3917 cur_mon = old_mon;
3918 }
3919
3920 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3921 {
3922 monitor_suspend(mon);
3923 handle_user_command(mon, cmdline);
3924 monitor_resume(mon);
3925 }
3926
3927 int monitor_suspend(Monitor *mon)
3928 {
3929 if (!mon->rs)
3930 return -ENOTTY;
3931 mon->suspend_cnt++;
3932 return 0;
3933 }
3934
3935 void monitor_resume(Monitor *mon)
3936 {
3937 if (!mon->rs)
3938 return;
3939 if (--mon->suspend_cnt == 0)
3940 readline_show_prompt(mon->rs);
3941 }
3942
3943 /**
3944 * monitor_control_event(): Print QMP gretting
3945 */
3946 static void monitor_control_event(void *opaque, int event)
3947 {
3948 if (event == CHR_EVENT_OPENED) {
3949 QObject *data;
3950 Monitor *mon = opaque;
3951
3952 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3953
3954 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3955 assert(data != NULL);
3956
3957 monitor_json_emitter(mon, data);
3958 qobject_decref(data);
3959 }
3960 }
3961
3962 static void monitor_event(void *opaque, int event)
3963 {
3964 Monitor *mon = opaque;
3965
3966 switch (event) {
3967 case CHR_EVENT_MUX_IN:
3968 mon->mux_out = 0;
3969 if (mon->reset_seen) {
3970 readline_restart(mon->rs);
3971 monitor_resume(mon);
3972 monitor_flush(mon);
3973 } else {
3974 mon->suspend_cnt = 0;
3975 }
3976 break;
3977
3978 case CHR_EVENT_MUX_OUT:
3979 if (mon->reset_seen) {
3980 if (mon->suspend_cnt == 0) {
3981 monitor_printf(mon, "\n");
3982 }
3983 monitor_flush(mon);
3984 monitor_suspend(mon);
3985 } else {
3986 mon->suspend_cnt++;
3987 }
3988 mon->mux_out = 1;
3989 break;
3990
3991 case CHR_EVENT_OPENED:
3992 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3993 "information\n", QEMU_VERSION);
3994 if (!mon->mux_out) {
3995 readline_show_prompt(mon->rs);
3996 }
3997 mon->reset_seen = 1;
3998 break;
3999 }
4000 }
4001
4002
4003 /*
4004 * Local variables:
4005 * c-indent-level: 4
4006 * c-basic-offset: 4
4007 * tab-width: 8
4008 * End:
4009 */
4010
4011 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4012 {
4013 const char *dev;
4014
4015 if (strstart(cmdline, "control,", &dev)) {
4016 if (strstart(dev, "vc", NULL)) {
4017 fprintf(stderr, "qemu: control mode is for low-level interaction ");
4018 fprintf(stderr, "cannot be used with device 'vc'\n");
4019 exit(1);
4020 }
4021 *flags &= ~MONITOR_USE_READLINE;
4022 *flags |= MONITOR_USE_CONTROL;
4023 return dev;
4024 }
4025
4026 return cmdline;
4027 }
4028
4029 void monitor_init(CharDriverState *chr, int flags)
4030 {
4031 static int is_first_init = 1;
4032 Monitor *mon;
4033
4034 if (is_first_init) {
4035 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4036 is_first_init = 0;
4037 }
4038
4039 mon = qemu_mallocz(sizeof(*mon));
4040
4041 mon->chr = chr;
4042 mon->flags = flags;
4043 if (flags & MONITOR_USE_READLINE) {
4044 mon->rs = readline_init(mon, monitor_find_completion);
4045 monitor_read_command(mon, 0);
4046 }
4047
4048 if (monitor_ctrl_mode(mon)) {
4049 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4050 /* Control mode requires special handlers */
4051 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4052 monitor_control_event, mon);
4053 } else {
4054 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4055 monitor_event, mon);
4056 }
4057
4058 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4059 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4060 cur_mon = mon;
4061 }
4062
4063 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4064 {
4065 BlockDriverState *bs = opaque;
4066 int ret = 0;
4067
4068 if (bdrv_set_key(bs, password) != 0) {
4069 monitor_printf(mon, "invalid password\n");
4070 ret = -EPERM;
4071 }
4072 if (mon->password_completion_cb)
4073 mon->password_completion_cb(mon->password_opaque, ret);
4074
4075 monitor_read_command(mon, 1);
4076 }
4077
4078 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4079 BlockDriverCompletionFunc *completion_cb,
4080 void *opaque)
4081 {
4082 int err;
4083
4084 if (!bdrv_key_required(bs)) {
4085 if (completion_cb)
4086 completion_cb(opaque, 0);
4087 return;
4088 }
4089
4090 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4091 bdrv_get_encrypted_filename(bs));
4092
4093 mon->password_completion_cb = completion_cb;
4094 mon->password_opaque = opaque;
4095
4096 err = monitor_read_password(mon, bdrv_password_cb, bs);
4097
4098 if (err && completion_cb)
4099 completion_cb(opaque, err);
4100 }
4101
4102 typedef struct QemuErrorSink QemuErrorSink;
4103 struct QemuErrorSink {
4104 enum {
4105 ERR_SINK_FILE,
4106 ERR_SINK_MONITOR,
4107 } dest;
4108 union {
4109 FILE *fp;
4110 Monitor *mon;
4111 };
4112 QemuErrorSink *previous;
4113 };
4114
4115 static QemuErrorSink *qemu_error_sink;
4116
4117 void qemu_errors_to_file(FILE *fp)
4118 {
4119 QemuErrorSink *sink;
4120
4121 sink = qemu_mallocz(sizeof(*sink));
4122 sink->dest = ERR_SINK_FILE;
4123 sink->fp = fp;
4124 sink->previous = qemu_error_sink;
4125 qemu_error_sink = sink;
4126 }
4127
4128 void qemu_errors_to_mon(Monitor *mon)
4129 {
4130 QemuErrorSink *sink;
4131
4132 sink = qemu_mallocz(sizeof(*sink));
4133 sink->dest = ERR_SINK_MONITOR;
4134 sink->mon = mon;
4135 sink->previous = qemu_error_sink;
4136 qemu_error_sink = sink;
4137 }
4138
4139 void qemu_errors_to_previous(void)
4140 {
4141 QemuErrorSink *sink;
4142
4143 assert(qemu_error_sink != NULL);
4144 sink = qemu_error_sink;
4145 qemu_error_sink = sink->previous;
4146 qemu_free(sink);
4147 }
4148
4149 void qemu_error(const char *fmt, ...)
4150 {
4151 va_list args;
4152
4153 assert(qemu_error_sink != NULL);
4154 switch (qemu_error_sink->dest) {
4155 case ERR_SINK_FILE:
4156 va_start(args, fmt);
4157 vfprintf(qemu_error_sink->fp, fmt, args);
4158 va_end(args);
4159 break;
4160 case ERR_SINK_MONITOR:
4161 va_start(args, fmt);
4162 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4163 va_end(args);
4164 break;
4165 }
4166 }
4167
4168 void qemu_error_internal(const char *file, int linenr, const char *func,
4169 const char *fmt, ...)
4170 {
4171 va_list va;
4172 QError *qerror;
4173
4174 assert(qemu_error_sink != NULL);
4175
4176 va_start(va, fmt);
4177 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4178 va_end(va);
4179
4180 switch (qemu_error_sink->dest) {
4181 case ERR_SINK_FILE:
4182 qerror_print(qerror);
4183 QDECREF(qerror);
4184 break;
4185 case ERR_SINK_MONITOR:
4186 assert(qemu_error_sink->mon->error == NULL);
4187 qemu_error_sink->mon->error = qerror;
4188 break;
4189 }
4190 }
Anthony Liguori's QEMU queue