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qemu-kvm: remove unused qemu_kvm_get_dirty_pages
[qemu-kvm/amd-iommu.git] / monitor.c
blobe5944f3d3f8998cf053ad279ba438d459ff2519b
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 "qfloat.h"
51 #include "qlist.h"
52 #include "qdict.h"
53 #include "qbool.h"
54 #include "qstring.h"
55 #include "qerror.h"
56 #include "qjson.h"
57 #include "json-streamer.h"
58 #include "json-parser.h"
59 #include "osdep.h"
60 #include "exec-all.h"
61
62 #include "qemu-kvm.h"
63
64 //#define DEBUG
65 //#define DEBUG_COMPLETION
66
67 /*
68 * Supported types:
69 *
70 * 'F' filename
71 * 'B' block device name
72 * 's' string (accept optional quote)
73 * 'i' 32 bit integer
74 * 'l' target long (32 or 64 bit)
75 * 'M' just like 'l', except in user mode the value is
76 * multiplied by 2^20 (think Mebibyte)
77 * 'b' double
78 * user mode accepts an optional G, g, M, m, K, k suffix,
79 * which multiplies the value by 2^30 for suffixes G and
80 * g, 2^20 for M and m, 2^10 for K and k
81 * 'T' double
82 * user mode accepts an optional ms, us, ns suffix,
83 * which divides the value by 1e3, 1e6, 1e9, respectively
84 * '/' optional gdb-like print format (like "/10x")
85 *
86 * '?' optional type (for all types, except '/')
87 * '.' other form of optional type (for 'i' and 'l')
88 * '-' optional parameter (eg. '-f')
89 *
90 */
91
92 typedef struct MonitorCompletionData MonitorCompletionData;
93 struct MonitorCompletionData {
94 Monitor *mon;
95 void (*user_print)(Monitor *mon, const QObject *data);
96 };
97
98 typedef struct mon_cmd_t {
99 const char *name;
100 const char *args_type;
101 const char *params;
102 const char *help;
103 void (*user_print)(Monitor *mon, const QObject *data);
104 union {
105 void (*info)(Monitor *mon);
106 void (*info_new)(Monitor *mon, QObject **ret_data);
107 int (*info_async)(Monitor *mon, MonitorCompletion *cb, void *opaque);
108 void (*cmd)(Monitor *mon, const QDict *qdict);
109 int (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
110 int (*cmd_async)(Monitor *mon, const QDict *params,
111 MonitorCompletion *cb, void *opaque);
112 } mhandler;
113 int async;
114 } mon_cmd_t;
115
116 /* file descriptors passed via SCM_RIGHTS */
117 typedef struct mon_fd_t mon_fd_t;
118 struct mon_fd_t {
119 char *name;
120 int fd;
121 QLIST_ENTRY(mon_fd_t) next;
122 };
123
124 typedef struct MonitorControl {
125 QObject *id;
126 JSONMessageParser parser;
127 int command_mode;
128 } MonitorControl;
129
130 struct Monitor {
131 CharDriverState *chr;
132 int mux_out;
133 int reset_seen;
134 int flags;
135 int suspend_cnt;
136 uint8_t outbuf[1024];
137 int outbuf_index;
138 ReadLineState *rs;
139 MonitorControl *mc;
140 CPUState *mon_cpu;
141 BlockDriverCompletionFunc *password_completion_cb;
142 void *password_opaque;
143 #ifdef CONFIG_DEBUG_MONITOR
144 int print_calls_nr;
145 #endif
146 QError *error;
147 QLIST_HEAD(,mon_fd_t) fds;
148 QLIST_ENTRY(Monitor) entry;
149 };
150
151 #ifdef CONFIG_DEBUG_MONITOR
152 #define MON_DEBUG(fmt, ...) do { \
153 fprintf(stderr, "Monitor: "); \
154 fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
155
156 static inline void mon_print_count_inc(Monitor *mon)
157 {
158 mon->print_calls_nr++;
159 }
160
161 static inline void mon_print_count_init(Monitor *mon)
162 {
163 mon->print_calls_nr = 0;
164 }
165
166 static inline int mon_print_count_get(const Monitor *mon)
167 {
168 return mon->print_calls_nr;
169 }
170
171 #else /* !CONFIG_DEBUG_MONITOR */
172 #define MON_DEBUG(fmt, ...) do { } while (0)
173 static inline void mon_print_count_inc(Monitor *mon) { }
174 static inline void mon_print_count_init(Monitor *mon) { }
175 static inline int mon_print_count_get(const Monitor *mon) { return 0; }
176 #endif /* CONFIG_DEBUG_MONITOR */
177
178 static QLIST_HEAD(mon_list, Monitor) mon_list;
179
180 static const mon_cmd_t mon_cmds[];
181 static const mon_cmd_t info_cmds[];
182
183 Monitor *cur_mon = NULL;
184
185 static void monitor_command_cb(Monitor *mon, const char *cmdline,
186 void *opaque);
187
188 static inline int qmp_cmd_mode(const Monitor *mon)
189 {
190 return (mon->mc ? mon->mc->command_mode : 0);
191 }
192
193 /* Return true if in control mode, false otherwise */
194 static inline int monitor_ctrl_mode(const Monitor *mon)
195 {
196 return (mon->flags & MONITOR_USE_CONTROL);
197 }
198
199 static void monitor_read_command(Monitor *mon, int show_prompt)
200 {
201 if (!mon->rs)
202 return;
203
204 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
205 if (show_prompt)
206 readline_show_prompt(mon->rs);
207 }
208
209 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
210 void *opaque)
211 {
212 if (monitor_ctrl_mode(mon)) {
213 qemu_error_new(QERR_MISSING_PARAMETER, "password");
214 return -EINVAL;
215 } else if (mon->rs) {
216 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
217 /* prompt is printed on return from the command handler */
218 return 0;
219 } else {
220 monitor_printf(mon, "terminal does not support password prompting\n");
221 return -ENOTTY;
222 }
223 }
224
225 void monitor_flush(Monitor *mon)
226 {
227 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
228 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
229 mon->outbuf_index = 0;
230 }
231 }
232
233 /* flush at every end of line or if the buffer is full */
234 static void monitor_puts(Monitor *mon, const char *str)
235 {
236 char c;
237
238 for(;;) {
239 c = *str++;
240 if (c == '\0')
241 break;
242 if (c == '\n')
243 mon->outbuf[mon->outbuf_index++] = '\r';
244 mon->outbuf[mon->outbuf_index++] = c;
245 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
246 || c == '\n')
247 monitor_flush(mon);
248 }
249 }
250
251 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
252 {
253 char buf[4096];
254
255 if (!mon)
256 return;
257
258 mon_print_count_inc(mon);
259
260 if (monitor_ctrl_mode(mon)) {
261 return;
262 }
263
264 vsnprintf(buf, sizeof(buf), fmt, ap);
265 monitor_puts(mon, buf);
266 }
267
268 void monitor_printf(Monitor *mon, const char *fmt, ...)
269 {
270 va_list ap;
271 va_start(ap, fmt);
272 monitor_vprintf(mon, fmt, ap);
273 va_end(ap);
274 }
275
276 void monitor_print_filename(Monitor *mon, const char *filename)
277 {
278 int i;
279
280 for (i = 0; filename[i]; i++) {
281 switch (filename[i]) {
282 case ' ':
283 case '"':
284 case '\\':
285 monitor_printf(mon, "\\%c", filename[i]);
286 break;
287 case '\t':
288 monitor_printf(mon, "\\t");
289 break;
290 case '\r':
291 monitor_printf(mon, "\\r");
292 break;
293 case '\n':
294 monitor_printf(mon, "\\n");
295 break;
296 default:
297 monitor_printf(mon, "%c", filename[i]);
298 break;
299 }
300 }
301 }
302
303 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
304 {
305 va_list ap;
306 va_start(ap, fmt);
307 monitor_vprintf((Monitor *)stream, fmt, ap);
308 va_end(ap);
309 return 0;
310 }
311
312 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
313
314 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
315 {
316 return cmd->user_print != NULL;
317 }
318
319 static inline bool monitor_handler_is_async(const mon_cmd_t *cmd)
320 {
321 return cmd->async != 0;
322 }
323
324 static inline int monitor_has_error(const Monitor *mon)
325 {
326 return mon->error != NULL;
327 }
328
329 static void monitor_json_emitter(Monitor *mon, const QObject *data)
330 {
331 QString *json;
332
333 json = qobject_to_json(data);
334 assert(json != NULL);
335
336 qstring_append_chr(json, '\n');
337 monitor_puts(mon, qstring_get_str(json));
338
339 QDECREF(json);
340 }
341
342 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
343 {
344 QDict *qmp;
345
346 qmp = qdict_new();
347
348 if (!monitor_has_error(mon)) {
349 /* success response */
350 if (data) {
351 qobject_incref(data);
352 qdict_put_obj(qmp, "return", data);
353 } else {
354 /* return an empty QDict by default */
355 qdict_put(qmp, "return", qdict_new());
356 }
357 } else {
358 /* error response */
359 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
360 qdict_put(qmp, "error", mon->error->error);
361 QINCREF(mon->error->error);
362 QDECREF(mon->error);
363 mon->error = NULL;
364 }
365
366 if (mon->mc->id) {
367 qdict_put_obj(qmp, "id", mon->mc->id);
368 mon->mc->id = NULL;
369 }
370
371 monitor_json_emitter(mon, QOBJECT(qmp));
372 QDECREF(qmp);
373 }
374
375 static void timestamp_put(QDict *qdict)
376 {
377 int err;
378 QObject *obj;
379 qemu_timeval tv;
380
381 err = qemu_gettimeofday(&tv);
382 if (err < 0)
383 return;
384
385 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
386 "'microseconds': %" PRId64 " }",
387 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
388 qdict_put_obj(qdict, "timestamp", obj);
389 }
390
391 /**
392 * monitor_protocol_event(): Generate a Monitor event
393 *
394 * Event-specific data can be emitted through the (optional) 'data' parameter.
395 */
396 void monitor_protocol_event(MonitorEvent event, QObject *data)
397 {
398 QDict *qmp;
399 const char *event_name;
400 Monitor *mon;
401
402 assert(event < QEVENT_MAX);
403
404 switch (event) {
405 case QEVENT_SHUTDOWN:
406 event_name = "SHUTDOWN";
407 break;
408 case QEVENT_RESET:
409 event_name = "RESET";
410 break;
411 case QEVENT_POWERDOWN:
412 event_name = "POWERDOWN";
413 break;
414 case QEVENT_STOP:
415 event_name = "STOP";
416 break;
417 case QEVENT_VNC_CONNECTED:
418 event_name = "VNC_CONNECTED";
419 break;
420 case QEVENT_VNC_INITIALIZED:
421 event_name = "VNC_INITIALIZED";
422 break;
423 case QEVENT_VNC_DISCONNECTED:
424 event_name = "VNC_DISCONNECTED";
425 break;
426 case QEVENT_BLOCK_IO_ERROR:
427 event_name = "BLOCK_IO_ERROR";
428 break;
429 case QEVENT_RTC_CHANGE:
430 event_name = "RTC_CHANGE";
431 break;
432 case QEVENT_WATCHDOG:
433 event_name = "WATCHDOG";
434 break;
435 default:
436 abort();
437 break;
438 }
439
440 qmp = qdict_new();
441 timestamp_put(qmp);
442 qdict_put(qmp, "event", qstring_from_str(event_name));
443 if (data) {
444 qobject_incref(data);
445 qdict_put_obj(qmp, "data", data);
446 }
447
448 QLIST_FOREACH(mon, &mon_list, entry) {
449 if (monitor_ctrl_mode(mon) && qmp_cmd_mode(mon)) {
450 monitor_json_emitter(mon, QOBJECT(qmp));
451 }
452 }
453 QDECREF(qmp);
454 }
455
456 static int do_qmp_capabilities(Monitor *mon, const QDict *params,
457 QObject **ret_data)
458 {
459 /* Will setup QMP capabilities in the future */
460 if (monitor_ctrl_mode(mon)) {
461 mon->mc->command_mode = 1;
462 }
463
464 return 0;
465 }
466
467 static int compare_cmd(const char *name, const char *list)
468 {
469 const char *p, *pstart;
470 int len;
471 len = strlen(name);
472 p = list;
473 for(;;) {
474 pstart = p;
475 p = strchr(p, '|');
476 if (!p)
477 p = pstart + strlen(pstart);
478 if ((p - pstart) == len && !memcmp(pstart, name, len))
479 return 1;
480 if (*p == '\0')
481 break;
482 p++;
483 }
484 return 0;
485 }
486
487 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
488 const char *prefix, const char *name)
489 {
490 const mon_cmd_t *cmd;
491
492 for(cmd = cmds; cmd->name != NULL; cmd++) {
493 if (!name || !strcmp(name, cmd->name))
494 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
495 cmd->params, cmd->help);
496 }
497 }
498
499 static void help_cmd(Monitor *mon, const char *name)
500 {
501 if (name && !strcmp(name, "info")) {
502 help_cmd_dump(mon, info_cmds, "info ", NULL);
503 } else {
504 help_cmd_dump(mon, mon_cmds, "", name);
505 if (name && !strcmp(name, "log")) {
506 const CPULogItem *item;
507 monitor_printf(mon, "Log items (comma separated):\n");
508 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
509 for(item = cpu_log_items; item->mask != 0; item++) {
510 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
511 }
512 }
513 }
514 }
515
516 static void do_help_cmd(Monitor *mon, const QDict *qdict)
517 {
518 help_cmd(mon, qdict_get_try_str(qdict, "name"));
519 }
520
521 static void do_commit(Monitor *mon, const QDict *qdict)
522 {
523 int all_devices;
524 DriveInfo *dinfo;
525 const char *device = qdict_get_str(qdict, "device");
526
527 all_devices = !strcmp(device, "all");
528 QTAILQ_FOREACH(dinfo, &drives, next) {
529 if (!all_devices)
530 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
531 continue;
532 bdrv_commit(dinfo->bdrv);
533 }
534 }
535
536 static void user_monitor_complete(void *opaque, QObject *ret_data)
537 {
538 MonitorCompletionData *data = (MonitorCompletionData *)opaque;
539
540 if (ret_data) {
541 data->user_print(data->mon, ret_data);
542 }
543 monitor_resume(data->mon);
544 qemu_free(data);
545 }
546
547 static void qmp_monitor_complete(void *opaque, QObject *ret_data)
548 {
549 monitor_protocol_emitter(opaque, ret_data);
550 }
551
552 static void qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
553 const QDict *params)
554 {
555 cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
556 }
557
558 static void qmp_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
559 {
560 cmd->mhandler.info_async(mon, qmp_monitor_complete, mon);
561 }
562
563 static void user_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
564 const QDict *params)
565 {
566 int ret;
567
568 MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
569 cb_data->mon = mon;
570 cb_data->user_print = cmd->user_print;
571 monitor_suspend(mon);
572 ret = cmd->mhandler.cmd_async(mon, params,
573 user_monitor_complete, cb_data);
574 if (ret < 0) {
575 monitor_resume(mon);
576 qemu_free(cb_data);
577 }
578 }
579
580 static void user_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
581 {
582 int ret;
583
584 MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
585 cb_data->mon = mon;
586 cb_data->user_print = cmd->user_print;
587 monitor_suspend(mon);
588 ret = cmd->mhandler.info_async(mon, user_monitor_complete, cb_data);
589 if (ret < 0) {
590 monitor_resume(mon);
591 qemu_free(cb_data);
592 }
593 }
594
595 static int do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
596 {
597 const mon_cmd_t *cmd;
598 const char *item = qdict_get_try_str(qdict, "item");
599
600 if (!item) {
601 assert(monitor_ctrl_mode(mon) == 0);
602 goto help;
603 }
604
605 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
606 if (compare_cmd(item, cmd->name))
607 break;
608 }
609
610 if (cmd->name == NULL) {
611 if (monitor_ctrl_mode(mon)) {
612 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
613 return -1;
614 }
615 goto help;
616 }
617
618 if (monitor_handler_is_async(cmd)) {
619 if (monitor_ctrl_mode(mon)) {
620 qmp_async_info_handler(mon, cmd);
621 } else {
622 user_async_info_handler(mon, cmd);
623 }
624 /*
625 * Indicate that this command is asynchronous and will not return any
626 * data (not even empty). Instead, the data will be returned via a
627 * completion callback.
628 */
629 *ret_data = qobject_from_jsonf("{ '__mon_async': 'return' }");
630 } else if (monitor_handler_ported(cmd)) {
631 cmd->mhandler.info_new(mon, ret_data);
632
633 if (!monitor_ctrl_mode(mon)) {
634 /*
635 * User Protocol function is called here, Monitor Protocol is
636 * handled by monitor_call_handler()
637 */
638 if (*ret_data)
639 cmd->user_print(mon, *ret_data);
640 }
641 } else {
642 if (monitor_ctrl_mode(mon)) {
643 /* handler not converted yet */
644 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
645 return -1;
646 } else {
647 cmd->mhandler.info(mon);
648 }
649 }
650
651 return 0;
652
653 help:
654 help_cmd(mon, "info");
655 return 0;
656 }
657
658 static void do_info_version_print(Monitor *mon, const QObject *data)
659 {
660 QDict *qdict;
661
662 qdict = qobject_to_qdict(data);
663
664 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
665 qdict_get_str(qdict, "package"));
666 }
667
668 /**
669 * do_info_version(): Show QEMU version
670 *
671 * Return a QDict with the following information:
672 *
673 * - "qemu": QEMU's version
674 * - "package": package's version
675 *
676 * Example:
677 *
678 * { "qemu": "0.11.50", "package": "" }
679 */
680 static void do_info_version(Monitor *mon, QObject **ret_data)
681 {
682 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
683 QEMU_VERSION, QEMU_PKGVERSION);
684 }
685
686 static void do_info_name_print(Monitor *mon, const QObject *data)
687 {
688 QDict *qdict;
689
690 qdict = qobject_to_qdict(data);
691 if (qdict_size(qdict) == 0) {
692 return;
693 }
694
695 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
696 }
697
698 /**
699 * do_info_name(): Show VM name
700 *
701 * Return a QDict with the following information:
702 *
703 * - "name": VM's name (optional)
704 *
705 * Example:
706 *
707 * { "name": "qemu-name" }
708 */
709 static void do_info_name(Monitor *mon, QObject **ret_data)
710 {
711 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
712 qobject_from_jsonf("{}");
713 }
714
715 static QObject *get_cmd_dict(const char *name)
716 {
717 const char *p;
718
719 /* Remove '|' from some commands */
720 p = strchr(name, '|');
721 if (p) {
722 p++;
723 } else {
724 p = name;
725 }
726
727 return qobject_from_jsonf("{ 'name': %s }", p);
728 }
729
730 /**
731 * do_info_commands(): List QMP available commands
732 *
733 * Each command is represented by a QDict, the returned QObject is a QList
734 * of all commands.
735 *
736 * The QDict contains:
737 *
738 * - "name": command's name
739 *
740 * Example:
741 *
742 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
743 */
744 static void do_info_commands(Monitor *mon, QObject **ret_data)
745 {
746 QList *cmd_list;
747 const mon_cmd_t *cmd;
748
749 cmd_list = qlist_new();
750
751 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
752 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
753 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
754 }
755 }
756
757 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
758 if (monitor_handler_ported(cmd)) {
759 char buf[128];
760 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
761 qlist_append_obj(cmd_list, get_cmd_dict(buf));
762 }
763 }
764
765 *ret_data = QOBJECT(cmd_list);
766 }
767
768 #if defined(TARGET_I386)
769 static void do_info_hpet_print(Monitor *mon, const QObject *data)
770 {
771 monitor_printf(mon, "HPET is %s by QEMU\n",
772 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
773 "enabled" : "disabled");
774 }
775
776 /**
777 * do_info_hpet(): Show HPET state
778 *
779 * Return a QDict with the following information:
780 *
781 * - "enabled": true if hpet if enabled, false otherwise
782 *
783 * Example:
784 *
785 * { "enabled": true }
786 */
787 static void do_info_hpet(Monitor *mon, QObject **ret_data)
788 {
789 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
790 }
791 #endif
792
793 static void do_info_uuid_print(Monitor *mon, const QObject *data)
794 {
795 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
796 }
797
798 /**
799 * do_info_uuid(): Show VM UUID
800 *
801 * Return a QDict with the following information:
802 *
803 * - "UUID": Universally Unique Identifier
804 *
805 * Example:
806 *
807 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
808 */
809 static void do_info_uuid(Monitor *mon, QObject **ret_data)
810 {
811 char uuid[64];
812
813 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
814 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
815 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
816 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
817 qemu_uuid[14], qemu_uuid[15]);
818 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
819 }
820
821 /* get the current CPU defined by the user */
822 static int mon_set_cpu(int cpu_index)
823 {
824 CPUState *env;
825
826 for(env = first_cpu; env != NULL; env = env->next_cpu) {
827 if (env->cpu_index == cpu_index) {
828 cur_mon->mon_cpu = env;
829 return 0;
830 }
831 }
832 return -1;
833 }
834
835 static CPUState *mon_get_cpu(void)
836 {
837 if (!cur_mon->mon_cpu) {
838 mon_set_cpu(0);
839 }
840 cpu_synchronize_state(cur_mon->mon_cpu);
841 return cur_mon->mon_cpu;
842 }
843
844 static void do_info_registers(Monitor *mon)
845 {
846 CPUState *env;
847 env = mon_get_cpu();
848 #ifdef TARGET_I386
849 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
850 X86_DUMP_FPU);
851 #else
852 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
853 0);
854 #endif
855 }
856
857 static void print_cpu_iter(QObject *obj, void *opaque)
858 {
859 QDict *cpu;
860 int active = ' ';
861 Monitor *mon = opaque;
862
863 assert(qobject_type(obj) == QTYPE_QDICT);
864 cpu = qobject_to_qdict(obj);
865
866 if (qdict_get_bool(cpu, "current")) {
867 active = '*';
868 }
869
870 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
871
872 #if defined(TARGET_I386)
873 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
874 (target_ulong) qdict_get_int(cpu, "pc"));
875 #elif defined(TARGET_PPC)
876 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
877 (target_long) qdict_get_int(cpu, "nip"));
878 #elif defined(TARGET_SPARC)
879 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
880 (target_long) qdict_get_int(cpu, "pc"));
881 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
882 (target_long) qdict_get_int(cpu, "npc"));
883 #elif defined(TARGET_MIPS)
884 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
885 (target_long) qdict_get_int(cpu, "PC"));
886 #endif
887
888 if (qdict_get_bool(cpu, "halted")) {
889 monitor_printf(mon, " (halted)");
890 }
891
892 monitor_printf(mon, " thread_id=%" PRId64 " ",
893 qdict_get_int(cpu, "thread_id"));
894
895 monitor_printf(mon, "\n");
896 }
897
898 static void monitor_print_cpus(Monitor *mon, const QObject *data)
899 {
900 QList *cpu_list;
901
902 assert(qobject_type(data) == QTYPE_QLIST);
903 cpu_list = qobject_to_qlist(data);
904 qlist_iter(cpu_list, print_cpu_iter, mon);
905 }
906
907 /**
908 * do_info_cpus(): Show CPU information
909 *
910 * Return a QList. Each CPU is represented by a QDict, which contains:
911 *
912 * - "cpu": CPU index
913 * - "current": true if this is the current CPU, false otherwise
914 * - "halted": true if the cpu is halted, false otherwise
915 * - Current program counter. The key's name depends on the architecture:
916 * "pc": i386/x86)64
917 * "nip": PPC
918 * "pc" and "npc": sparc
919 * "PC": mips
920 *
921 * Example:
922 *
923 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
924 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
925 */
926 static void do_info_cpus(Monitor *mon, QObject **ret_data)
927 {
928 CPUState *env;
929 QList *cpu_list;
930
931 cpu_list = qlist_new();
932
933 /* just to set the default cpu if not already done */
934 mon_get_cpu();
935
936 for(env = first_cpu; env != NULL; env = env->next_cpu) {
937 QDict *cpu;
938 QObject *obj;
939
940 cpu_synchronize_state(env);
941
942 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
943 env->cpu_index, env == mon->mon_cpu,
944 env->halted);
945
946 cpu = qobject_to_qdict(obj);
947
948 #if defined(TARGET_I386)
949 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
950 #elif defined(TARGET_PPC)
951 qdict_put(cpu, "nip", qint_from_int(env->nip));
952 #elif defined(TARGET_SPARC)
953 qdict_put(cpu, "pc", qint_from_int(env->pc));
954 qdict_put(cpu, "npc", qint_from_int(env->npc));
955 #elif defined(TARGET_MIPS)
956 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
957 #endif
958 qdict_put(cpu, "thread_id", qint_from_int(env->thread_id));
959
960 qlist_append(cpu_list, cpu);
961 }
962
963 *ret_data = QOBJECT(cpu_list);
964 }
965
966 static int do_cpu_set(Monitor *mon, const QDict *qdict, QObject **ret_data)
967 {
968 int index = qdict_get_int(qdict, "index");
969 if (mon_set_cpu(index) < 0) {
970 qemu_error_new(QERR_INVALID_PARAMETER, "index");
971 return -1;
972 }
973 return 0;
974 }
975
976 static void do_cpu_set_nr(Monitor *mon, const QDict *qdict)
977 {
978 int state, value;
979 const char *status;
980
981 status = qdict_get_str(qdict, "state");
982 value = qdict_get_int(qdict, "cpu");
983
984 if (!strcmp(status, "online"))
985 state = 1;
986 else if (!strcmp(status, "offline"))
987 state = 0;
988 else {
989 monitor_printf(mon, "invalid status: %s\n", status);
990 return;
991 }
992 #if defined(TARGET_I386) || defined(TARGET_X86_64)
993 qemu_system_cpu_hot_add(value, state);
994 #endif
995 }
996
997 static void do_info_jit(Monitor *mon)
998 {
999 dump_exec_info((FILE *)mon, monitor_fprintf);
1000 }
1001
1002 static void do_info_history(Monitor *mon)
1003 {
1004 int i;
1005 const char *str;
1006
1007 if (!mon->rs)
1008 return;
1009 i = 0;
1010 for(;;) {
1011 str = readline_get_history(mon->rs, i);
1012 if (!str)
1013 break;
1014 monitor_printf(mon, "%d: '%s'\n", i, str);
1015 i++;
1016 }
1017 }
1018
1019 #if defined(TARGET_PPC)
1020 /* XXX: not implemented in other targets */
1021 static void do_info_cpu_stats(Monitor *mon)
1022 {
1023 CPUState *env;
1024
1025 env = mon_get_cpu();
1026 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
1027 }
1028 #endif
1029
1030 /**
1031 * do_quit(): Quit QEMU execution
1032 */
1033 static int do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
1034 {
1035 exit(0);
1036 return 0;
1037 }
1038
1039 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
1040 {
1041 if (bdrv_is_inserted(bs)) {
1042 if (!force) {
1043 if (!bdrv_is_removable(bs)) {
1044 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
1045 bdrv_get_device_name(bs));
1046 return -1;
1047 }
1048 if (bdrv_is_locked(bs)) {
1049 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
1050 return -1;
1051 }
1052 }
1053 bdrv_close(bs);
1054 }
1055 return 0;
1056 }
1057
1058 static int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
1059 {
1060 BlockDriverState *bs;
1061 int force = qdict_get_int(qdict, "force");
1062 const char *filename = qdict_get_str(qdict, "device");
1063
1064 bs = bdrv_find(filename);
1065 if (!bs) {
1066 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
1067 return -1;
1068 }
1069 return eject_device(mon, bs, force);
1070 }
1071
1072 static int do_block_set_passwd(Monitor *mon, const QDict *qdict,
1073 QObject **ret_data)
1074 {
1075 BlockDriverState *bs;
1076
1077 bs = bdrv_find(qdict_get_str(qdict, "device"));
1078 if (!bs) {
1079 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
1080 return -1;
1081 }
1082
1083 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
1084 qemu_error_new(QERR_INVALID_PASSWORD);
1085 return -1;
1086 }
1087
1088 return 0;
1089 }
1090
1091 static int do_change_block(Monitor *mon, const char *device,
1092 const char *filename, const char *fmt)
1093 {
1094 BlockDriverState *bs;
1095 BlockDriver *drv = NULL;
1096
1097 bs = bdrv_find(device);
1098 if (!bs) {
1099 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
1100 return -1;
1101 }
1102 if (fmt) {
1103 drv = bdrv_find_whitelisted_format(fmt);
1104 if (!drv) {
1105 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
1106 return -1;
1107 }
1108 }
1109 if (eject_device(mon, bs, 0) < 0) {
1110 return -1;
1111 }
1112 if (bdrv_open2(bs, filename, BDRV_O_RDWR, drv) < 0) {
1113 return -1;
1114 }
1115 return monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
1116 }
1117
1118 static int change_vnc_password(const char *password)
1119 {
1120 if (vnc_display_password(NULL, password) < 0) {
1121 qemu_error_new(QERR_SET_PASSWD_FAILED);
1122 return -1;
1123 }
1124
1125 return 0;
1126 }
1127
1128 static void change_vnc_password_cb(Monitor *mon, const char *password,
1129 void *opaque)
1130 {
1131 change_vnc_password(password);
1132 monitor_read_command(mon, 1);
1133 }
1134
1135 static int do_change_vnc(Monitor *mon, const char *target, const char *arg)
1136 {
1137 if (strcmp(target, "passwd") == 0 ||
1138 strcmp(target, "password") == 0) {
1139 if (arg) {
1140 char password[9];
1141 strncpy(password, arg, sizeof(password));
1142 password[sizeof(password) - 1] = '\0';
1143 return change_vnc_password(password);
1144 } else {
1145 return monitor_read_password(mon, change_vnc_password_cb, NULL);
1146 }
1147 } else {
1148 if (vnc_display_open(NULL, target) < 0) {
1149 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
1150 return -1;
1151 }
1152 }
1153
1154 return 0;
1155 }
1156
1157 /**
1158 * do_change(): Change a removable medium, or VNC configuration
1159 */
1160 static int do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
1161 {
1162 const char *device = qdict_get_str(qdict, "device");
1163 const char *target = qdict_get_str(qdict, "target");
1164 const char *arg = qdict_get_try_str(qdict, "arg");
1165 int ret;
1166
1167 if (strcmp(device, "vnc") == 0) {
1168 ret = do_change_vnc(mon, target, arg);
1169 } else {
1170 ret = do_change_block(mon, device, target, arg);
1171 }
1172
1173 return ret;
1174 }
1175
1176 static void do_screen_dump(Monitor *mon, const QDict *qdict)
1177 {
1178 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
1179 }
1180
1181 static void do_logfile(Monitor *mon, const QDict *qdict)
1182 {
1183 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
1184 }
1185
1186 static void do_log(Monitor *mon, const QDict *qdict)
1187 {
1188 int mask;
1189 const char *items = qdict_get_str(qdict, "items");
1190
1191 if (!strcmp(items, "none")) {
1192 mask = 0;
1193 } else {
1194 mask = cpu_str_to_log_mask(items);
1195 if (!mask) {
1196 help_cmd(mon, "log");
1197 return;
1198 }
1199 }
1200 cpu_set_log(mask);
1201 }
1202
1203 static void do_singlestep(Monitor *mon, const QDict *qdict)
1204 {
1205 const char *option = qdict_get_try_str(qdict, "option");
1206 if (!option || !strcmp(option, "on")) {
1207 singlestep = 1;
1208 } else if (!strcmp(option, "off")) {
1209 singlestep = 0;
1210 } else {
1211 monitor_printf(mon, "unexpected option %s\n", option);
1212 }
1213 }
1214
1215 /**
1216 * do_stop(): Stop VM execution
1217 */
1218 static int do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1219 {
1220 vm_stop(EXCP_INTERRUPT);
1221 return 0;
1222 }
1223
1224 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1225
1226 struct bdrv_iterate_context {
1227 Monitor *mon;
1228 int err;
1229 };
1230
1231 /**
1232 * do_cont(): Resume emulation.
1233 */
1234 static int do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1235 {
1236 struct bdrv_iterate_context context = { mon, 0 };
1237
1238 bdrv_iterate(encrypted_bdrv_it, &context);
1239 /* only resume the vm if all keys are set and valid */
1240 if (!context.err) {
1241 vm_start();
1242 return 0;
1243 } else {
1244 return -1;
1245 }
1246 }
1247
1248 static void bdrv_key_cb(void *opaque, int err)
1249 {
1250 Monitor *mon = opaque;
1251
1252 /* another key was set successfully, retry to continue */
1253 if (!err)
1254 do_cont(mon, NULL, NULL);
1255 }
1256
1257 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1258 {
1259 struct bdrv_iterate_context *context = opaque;
1260
1261 if (!context->err && bdrv_key_required(bs)) {
1262 context->err = -EBUSY;
1263 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1264 context->mon);
1265 }
1266 }
1267
1268 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1269 {
1270 const char *device = qdict_get_try_str(qdict, "device");
1271 if (!device)
1272 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1273 if (gdbserver_start(device) < 0) {
1274 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1275 device);
1276 } else if (strcmp(device, "none") == 0) {
1277 monitor_printf(mon, "Disabled gdbserver\n");
1278 } else {
1279 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1280 device);
1281 }
1282 }
1283
1284 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1285 {
1286 const char *action = qdict_get_str(qdict, "action");
1287 if (select_watchdog_action(action) == -1) {
1288 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1289 }
1290 }
1291
1292 static void monitor_printc(Monitor *mon, int c)
1293 {
1294 monitor_printf(mon, "'");
1295 switch(c) {
1296 case '\'':
1297 monitor_printf(mon, "\\'");
1298 break;
1299 case '\\':
1300 monitor_printf(mon, "\\\\");
1301 break;
1302 case '\n':
1303 monitor_printf(mon, "\\n");
1304 break;
1305 case '\r':
1306 monitor_printf(mon, "\\r");
1307 break;
1308 default:
1309 if (c >= 32 && c <= 126) {
1310 monitor_printf(mon, "%c", c);
1311 } else {
1312 monitor_printf(mon, "\\x%02x", c);
1313 }
1314 break;
1315 }
1316 monitor_printf(mon, "'");
1317 }
1318
1319 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1320 target_phys_addr_t addr, int is_physical)
1321 {
1322 CPUState *env;
1323 int l, line_size, i, max_digits, len;
1324 uint8_t buf[16];
1325 uint64_t v;
1326
1327 if (format == 'i') {
1328 int flags;
1329 flags = 0;
1330 env = mon_get_cpu();
1331 #ifdef TARGET_I386
1332 if (wsize == 2) {
1333 flags = 1;
1334 } else if (wsize == 4) {
1335 flags = 0;
1336 } else {
1337 /* as default we use the current CS size */
1338 flags = 0;
1339 if (env) {
1340 #ifdef TARGET_X86_64
1341 if ((env->efer & MSR_EFER_LMA) &&
1342 (env->segs[R_CS].flags & DESC_L_MASK))
1343 flags = 2;
1344 else
1345 #endif
1346 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1347 flags = 1;
1348 }
1349 }
1350 #endif
1351 monitor_disas(mon, env, addr, count, is_physical, flags);
1352 return;
1353 }
1354
1355 len = wsize * count;
1356 if (wsize == 1)
1357 line_size = 8;
1358 else
1359 line_size = 16;
1360 max_digits = 0;
1361
1362 switch(format) {
1363 case 'o':
1364 max_digits = (wsize * 8 + 2) / 3;
1365 break;
1366 default:
1367 case 'x':
1368 max_digits = (wsize * 8) / 4;
1369 break;
1370 case 'u':
1371 case 'd':
1372 max_digits = (wsize * 8 * 10 + 32) / 33;
1373 break;
1374 case 'c':
1375 wsize = 1;
1376 break;
1377 }
1378
1379 while (len > 0) {
1380 if (is_physical)
1381 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1382 else
1383 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1384 l = len;
1385 if (l > line_size)
1386 l = line_size;
1387 if (is_physical) {
1388 cpu_physical_memory_rw(addr, buf, l, 0);
1389 } else {
1390 env = mon_get_cpu();
1391 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1392 monitor_printf(mon, " Cannot access memory\n");
1393 break;
1394 }
1395 }
1396 i = 0;
1397 while (i < l) {
1398 switch(wsize) {
1399 default:
1400 case 1:
1401 v = ldub_raw(buf + i);
1402 break;
1403 case 2:
1404 v = lduw_raw(buf + i);
1405 break;
1406 case 4:
1407 v = (uint32_t)ldl_raw(buf + i);
1408 break;
1409 case 8:
1410 v = ldq_raw(buf + i);
1411 break;
1412 }
1413 monitor_printf(mon, " ");
1414 switch(format) {
1415 case 'o':
1416 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1417 break;
1418 case 'x':
1419 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1420 break;
1421 case 'u':
1422 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1423 break;
1424 case 'd':
1425 monitor_printf(mon, "%*" PRId64, max_digits, v);
1426 break;
1427 case 'c':
1428 monitor_printc(mon, v);
1429 break;
1430 }
1431 i += wsize;
1432 }
1433 monitor_printf(mon, "\n");
1434 addr += l;
1435 len -= l;
1436 }
1437 }
1438
1439 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1440 {
1441 int count = qdict_get_int(qdict, "count");
1442 int format = qdict_get_int(qdict, "format");
1443 int size = qdict_get_int(qdict, "size");
1444 target_long addr = qdict_get_int(qdict, "addr");
1445
1446 memory_dump(mon, count, format, size, addr, 0);
1447 }
1448
1449 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1450 {
1451 int count = qdict_get_int(qdict, "count");
1452 int format = qdict_get_int(qdict, "format");
1453 int size = qdict_get_int(qdict, "size");
1454 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1455
1456 memory_dump(mon, count, format, size, addr, 1);
1457 }
1458
1459 static void do_print(Monitor *mon, const QDict *qdict)
1460 {
1461 int format = qdict_get_int(qdict, "format");
1462 target_phys_addr_t val = qdict_get_int(qdict, "val");
1463
1464 #if TARGET_PHYS_ADDR_BITS == 32
1465 switch(format) {
1466 case 'o':
1467 monitor_printf(mon, "%#o", val);
1468 break;
1469 case 'x':
1470 monitor_printf(mon, "%#x", val);
1471 break;
1472 case 'u':
1473 monitor_printf(mon, "%u", val);
1474 break;
1475 default:
1476 case 'd':
1477 monitor_printf(mon, "%d", val);
1478 break;
1479 case 'c':
1480 monitor_printc(mon, val);
1481 break;
1482 }
1483 #else
1484 switch(format) {
1485 case 'o':
1486 monitor_printf(mon, "%#" PRIo64, val);
1487 break;
1488 case 'x':
1489 monitor_printf(mon, "%#" PRIx64, val);
1490 break;
1491 case 'u':
1492 monitor_printf(mon, "%" PRIu64, val);
1493 break;
1494 default:
1495 case 'd':
1496 monitor_printf(mon, "%" PRId64, val);
1497 break;
1498 case 'c':
1499 monitor_printc(mon, val);
1500 break;
1501 }
1502 #endif
1503 monitor_printf(mon, "\n");
1504 }
1505
1506 static int do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1507 {
1508 FILE *f;
1509 uint32_t size = qdict_get_int(qdict, "size");
1510 const char *filename = qdict_get_str(qdict, "filename");
1511 target_long addr = qdict_get_int(qdict, "val");
1512 uint32_t l;
1513 CPUState *env;
1514 uint8_t buf[1024];
1515 int ret = -1;
1516
1517 env = mon_get_cpu();
1518
1519 f = fopen(filename, "wb");
1520 if (!f) {
1521 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1522 return -1;
1523 }
1524 while (size != 0) {
1525 l = sizeof(buf);
1526 if (l > size)
1527 l = size;
1528 cpu_memory_rw_debug(env, addr, buf, l, 0);
1529 if (fwrite(buf, 1, l, f) != l) {
1530 monitor_printf(mon, "fwrite() error in do_memory_save\n");
1531 goto exit;
1532 }
1533 addr += l;
1534 size -= l;
1535 }
1536
1537 ret = 0;
1538
1539 exit:
1540 fclose(f);
1541 return ret;
1542 }
1543
1544 static int do_physical_memory_save(Monitor *mon, const QDict *qdict,
1545 QObject **ret_data)
1546 {
1547 FILE *f;
1548 uint32_t l;
1549 uint8_t buf[1024];
1550 uint32_t size = qdict_get_int(qdict, "size");
1551 const char *filename = qdict_get_str(qdict, "filename");
1552 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1553 int ret = -1;
1554
1555 f = fopen(filename, "wb");
1556 if (!f) {
1557 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1558 return -1;
1559 }
1560 while (size != 0) {
1561 l = sizeof(buf);
1562 if (l > size)
1563 l = size;
1564 cpu_physical_memory_rw(addr, buf, l, 0);
1565 if (fwrite(buf, 1, l, f) != l) {
1566 monitor_printf(mon, "fwrite() error in do_physical_memory_save\n");
1567 goto exit;
1568 }
1569 fflush(f);
1570 addr += l;
1571 size -= l;
1572 }
1573
1574 ret = 0;
1575
1576 exit:
1577 fclose(f);
1578 return ret;
1579 }
1580
1581 static void do_sum(Monitor *mon, const QDict *qdict)
1582 {
1583 uint32_t addr;
1584 uint8_t buf[1];
1585 uint16_t sum;
1586 uint32_t start = qdict_get_int(qdict, "start");
1587 uint32_t size = qdict_get_int(qdict, "size");
1588
1589 sum = 0;
1590 for(addr = start; addr < (start + size); addr++) {
1591 cpu_physical_memory_rw(addr, buf, 1, 0);
1592 /* BSD sum algorithm ('sum' Unix command) */
1593 sum = (sum >> 1) | (sum << 15);
1594 sum += buf[0];
1595 }
1596 monitor_printf(mon, "%05d\n", sum);
1597 }
1598
1599 typedef struct {
1600 int keycode;
1601 const char *name;
1602 } KeyDef;
1603
1604 static const KeyDef key_defs[] = {
1605 { 0x2a, "shift" },
1606 { 0x36, "shift_r" },
1607
1608 { 0x38, "alt" },
1609 { 0xb8, "alt_r" },
1610 { 0x64, "altgr" },
1611 { 0xe4, "altgr_r" },
1612 { 0x1d, "ctrl" },
1613 { 0x9d, "ctrl_r" },
1614
1615 { 0xdd, "menu" },
1616
1617 { 0x01, "esc" },
1618
1619 { 0x02, "1" },
1620 { 0x03, "2" },
1621 { 0x04, "3" },
1622 { 0x05, "4" },
1623 { 0x06, "5" },
1624 { 0x07, "6" },
1625 { 0x08, "7" },
1626 { 0x09, "8" },
1627 { 0x0a, "9" },
1628 { 0x0b, "0" },
1629 { 0x0c, "minus" },
1630 { 0x0d, "equal" },
1631 { 0x0e, "backspace" },
1632
1633 { 0x0f, "tab" },
1634 { 0x10, "q" },
1635 { 0x11, "w" },
1636 { 0x12, "e" },
1637 { 0x13, "r" },
1638 { 0x14, "t" },
1639 { 0x15, "y" },
1640 { 0x16, "u" },
1641 { 0x17, "i" },
1642 { 0x18, "o" },
1643 { 0x19, "p" },
1644
1645 { 0x1c, "ret" },
1646
1647 { 0x1e, "a" },
1648 { 0x1f, "s" },
1649 { 0x20, "d" },
1650 { 0x21, "f" },
1651 { 0x22, "g" },
1652 { 0x23, "h" },
1653 { 0x24, "j" },
1654 { 0x25, "k" },
1655 { 0x26, "l" },
1656
1657 { 0x2c, "z" },
1658 { 0x2d, "x" },
1659 { 0x2e, "c" },
1660 { 0x2f, "v" },
1661 { 0x30, "b" },
1662 { 0x31, "n" },
1663 { 0x32, "m" },
1664 { 0x33, "comma" },
1665 { 0x34, "dot" },
1666 { 0x35, "slash" },
1667
1668 { 0x37, "asterisk" },
1669
1670 { 0x39, "spc" },
1671 { 0x3a, "caps_lock" },
1672 { 0x3b, "f1" },
1673 { 0x3c, "f2" },
1674 { 0x3d, "f3" },
1675 { 0x3e, "f4" },
1676 { 0x3f, "f5" },
1677 { 0x40, "f6" },
1678 { 0x41, "f7" },
1679 { 0x42, "f8" },
1680 { 0x43, "f9" },
1681 { 0x44, "f10" },
1682 { 0x45, "num_lock" },
1683 { 0x46, "scroll_lock" },
1684
1685 { 0xb5, "kp_divide" },
1686 { 0x37, "kp_multiply" },
1687 { 0x4a, "kp_subtract" },
1688 { 0x4e, "kp_add" },
1689 { 0x9c, "kp_enter" },
1690 { 0x53, "kp_decimal" },
1691 { 0x54, "sysrq" },
1692
1693 { 0x52, "kp_0" },
1694 { 0x4f, "kp_1" },
1695 { 0x50, "kp_2" },
1696 { 0x51, "kp_3" },
1697 { 0x4b, "kp_4" },
1698 { 0x4c, "kp_5" },
1699 { 0x4d, "kp_6" },
1700 { 0x47, "kp_7" },
1701 { 0x48, "kp_8" },
1702 { 0x49, "kp_9" },
1703
1704 { 0x56, "<" },
1705
1706 { 0x57, "f11" },
1707 { 0x58, "f12" },
1708
1709 { 0xb7, "print" },
1710
1711 { 0xc7, "home" },
1712 { 0xc9, "pgup" },
1713 { 0xd1, "pgdn" },
1714 { 0xcf, "end" },
1715
1716 { 0xcb, "left" },
1717 { 0xc8, "up" },
1718 { 0xd0, "down" },
1719 { 0xcd, "right" },
1720
1721 { 0xd2, "insert" },
1722 { 0xd3, "delete" },
1723 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1724 { 0xf0, "stop" },
1725 { 0xf1, "again" },
1726 { 0xf2, "props" },
1727 { 0xf3, "undo" },
1728 { 0xf4, "front" },
1729 { 0xf5, "copy" },
1730 { 0xf6, "open" },
1731 { 0xf7, "paste" },
1732 { 0xf8, "find" },
1733 { 0xf9, "cut" },
1734 { 0xfa, "lf" },
1735 { 0xfb, "help" },
1736 { 0xfc, "meta_l" },
1737 { 0xfd, "meta_r" },
1738 { 0xfe, "compose" },
1739 #endif
1740 { 0, NULL },
1741 };
1742
1743 static int get_keycode(const char *key)
1744 {
1745 const KeyDef *p;
1746 char *endp;
1747 int ret;
1748
1749 for(p = key_defs; p->name != NULL; p++) {
1750 if (!strcmp(key, p->name))
1751 return p->keycode;
1752 }
1753 if (strstart(key, "0x", NULL)) {
1754 ret = strtoul(key, &endp, 0);
1755 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1756 return ret;
1757 }
1758 return -1;
1759 }
1760
1761 #define MAX_KEYCODES 16
1762 static uint8_t keycodes[MAX_KEYCODES];
1763 static int nb_pending_keycodes;
1764 static QEMUTimer *key_timer;
1765
1766 static void release_keys(void *opaque)
1767 {
1768 int keycode;
1769
1770 while (nb_pending_keycodes > 0) {
1771 nb_pending_keycodes--;
1772 keycode = keycodes[nb_pending_keycodes];
1773 if (keycode & 0x80)
1774 kbd_put_keycode(0xe0);
1775 kbd_put_keycode(keycode | 0x80);
1776 }
1777 }
1778
1779 static void do_sendkey(Monitor *mon, const QDict *qdict)
1780 {
1781 char keyname_buf[16];
1782 char *separator;
1783 int keyname_len, keycode, i;
1784 const char *string = qdict_get_str(qdict, "string");
1785 int has_hold_time = qdict_haskey(qdict, "hold_time");
1786 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1787
1788 if (nb_pending_keycodes > 0) {
1789 qemu_del_timer(key_timer);
1790 release_keys(NULL);
1791 }
1792 if (!has_hold_time)
1793 hold_time = 100;
1794 i = 0;
1795 while (1) {
1796 separator = strchr(string, '-');
1797 keyname_len = separator ? separator - string : strlen(string);
1798 if (keyname_len > 0) {
1799 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1800 if (keyname_len > sizeof(keyname_buf) - 1) {
1801 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1802 return;
1803 }
1804 if (i == MAX_KEYCODES) {
1805 monitor_printf(mon, "too many keys\n");
1806 return;
1807 }
1808 keyname_buf[keyname_len] = 0;
1809 keycode = get_keycode(keyname_buf);
1810 if (keycode < 0) {
1811 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1812 return;
1813 }
1814 keycodes[i++] = keycode;
1815 }
1816 if (!separator)
1817 break;
1818 string = separator + 1;
1819 }
1820 nb_pending_keycodes = i;
1821 /* key down events */
1822 for (i = 0; i < nb_pending_keycodes; i++) {
1823 keycode = keycodes[i];
1824 if (keycode & 0x80)
1825 kbd_put_keycode(0xe0);
1826 kbd_put_keycode(keycode & 0x7f);
1827 }
1828 /* delayed key up events */
1829 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1830 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1831 }
1832
1833 static int mouse_button_state;
1834
1835 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1836 {
1837 int dx, dy, dz;
1838 const char *dx_str = qdict_get_str(qdict, "dx_str");
1839 const char *dy_str = qdict_get_str(qdict, "dy_str");
1840 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1841 dx = strtol(dx_str, NULL, 0);
1842 dy = strtol(dy_str, NULL, 0);
1843 dz = 0;
1844 if (dz_str)
1845 dz = strtol(dz_str, NULL, 0);
1846 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1847 }
1848
1849 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1850 {
1851 int button_state = qdict_get_int(qdict, "button_state");
1852 mouse_button_state = button_state;
1853 kbd_mouse_event(0, 0, 0, mouse_button_state);
1854 }
1855
1856 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1857 {
1858 int size = qdict_get_int(qdict, "size");
1859 int addr = qdict_get_int(qdict, "addr");
1860 int has_index = qdict_haskey(qdict, "index");
1861 uint32_t val;
1862 int suffix;
1863
1864 if (has_index) {
1865 int index = qdict_get_int(qdict, "index");
1866 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1867 addr++;
1868 }
1869 addr &= 0xffff;
1870
1871 switch(size) {
1872 default:
1873 case 1:
1874 val = cpu_inb(addr);
1875 suffix = 'b';
1876 break;
1877 case 2:
1878 val = cpu_inw(addr);
1879 suffix = 'w';
1880 break;
1881 case 4:
1882 val = cpu_inl(addr);
1883 suffix = 'l';
1884 break;
1885 }
1886 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1887 suffix, addr, size * 2, val);
1888 }
1889
1890 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1891 {
1892 int size = qdict_get_int(qdict, "size");
1893 int addr = qdict_get_int(qdict, "addr");
1894 int val = qdict_get_int(qdict, "val");
1895
1896 addr &= IOPORTS_MASK;
1897
1898 switch (size) {
1899 default:
1900 case 1:
1901 cpu_outb(addr, val);
1902 break;
1903 case 2:
1904 cpu_outw(addr, val);
1905 break;
1906 case 4:
1907 cpu_outl(addr, val);
1908 break;
1909 }
1910 }
1911
1912 static void do_boot_set(Monitor *mon, const QDict *qdict)
1913 {
1914 int res;
1915 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1916
1917 res = qemu_boot_set(bootdevice);
1918 if (res == 0) {
1919 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1920 } else if (res > 0) {
1921 monitor_printf(mon, "setting boot device list failed\n");
1922 } else {
1923 monitor_printf(mon, "no function defined to set boot device list for "
1924 "this architecture\n");
1925 }
1926 }
1927
1928 /**
1929 * do_system_reset(): Issue a machine reset
1930 */
1931 static int do_system_reset(Monitor *mon, const QDict *qdict,
1932 QObject **ret_data)
1933 {
1934 qemu_system_reset_request();
1935 return 0;
1936 }
1937
1938 /**
1939 * do_system_powerdown(): Issue a machine powerdown
1940 */
1941 static int do_system_powerdown(Monitor *mon, const QDict *qdict,
1942 QObject **ret_data)
1943 {
1944 qemu_system_powerdown_request();
1945 return 0;
1946 }
1947
1948 #if defined(TARGET_I386)
1949 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1950 {
1951 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1952 addr,
1953 pte & mask,
1954 pte & PG_GLOBAL_MASK ? 'G' : '-',
1955 pte & PG_PSE_MASK ? 'P' : '-',
1956 pte & PG_DIRTY_MASK ? 'D' : '-',
1957 pte & PG_ACCESSED_MASK ? 'A' : '-',
1958 pte & PG_PCD_MASK ? 'C' : '-',
1959 pte & PG_PWT_MASK ? 'T' : '-',
1960 pte & PG_USER_MASK ? 'U' : '-',
1961 pte & PG_RW_MASK ? 'W' : '-');
1962 }
1963
1964 static void tlb_info(Monitor *mon)
1965 {
1966 CPUState *env;
1967 int l1, l2;
1968 uint32_t pgd, pde, pte;
1969
1970 env = mon_get_cpu();
1971
1972 if (!(env->cr[0] & CR0_PG_MASK)) {
1973 monitor_printf(mon, "PG disabled\n");
1974 return;
1975 }
1976 pgd = env->cr[3] & ~0xfff;
1977 for(l1 = 0; l1 < 1024; l1++) {
1978 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1979 pde = le32_to_cpu(pde);
1980 if (pde & PG_PRESENT_MASK) {
1981 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1982 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1983 } else {
1984 for(l2 = 0; l2 < 1024; l2++) {
1985 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1986 (uint8_t *)&pte, 4);
1987 pte = le32_to_cpu(pte);
1988 if (pte & PG_PRESENT_MASK) {
1989 print_pte(mon, (l1 << 22) + (l2 << 12),
1990 pte & ~PG_PSE_MASK,
1991 ~0xfff);
1992 }
1993 }
1994 }
1995 }
1996 }
1997 }
1998
1999 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
2000 uint32_t end, int prot)
2001 {
2002 int prot1;
2003 prot1 = *plast_prot;
2004 if (prot != prot1) {
2005 if (*pstart != -1) {
2006 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
2007 *pstart, end, end - *pstart,
2008 prot1 & PG_USER_MASK ? 'u' : '-',
2009 'r',
2010 prot1 & PG_RW_MASK ? 'w' : '-');
2011 }
2012 if (prot != 0)
2013 *pstart = end;
2014 else
2015 *pstart = -1;
2016 *plast_prot = prot;
2017 }
2018 }
2019
2020 static void mem_info(Monitor *mon)
2021 {
2022 CPUState *env;
2023 int l1, l2, prot, last_prot;
2024 uint32_t pgd, pde, pte, start, end;
2025
2026 env = mon_get_cpu();
2027
2028 if (!(env->cr[0] & CR0_PG_MASK)) {
2029 monitor_printf(mon, "PG disabled\n");
2030 return;
2031 }
2032 pgd = env->cr[3] & ~0xfff;
2033 last_prot = 0;
2034 start = -1;
2035 for(l1 = 0; l1 < 1024; l1++) {
2036 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
2037 pde = le32_to_cpu(pde);
2038 end = l1 << 22;
2039 if (pde & PG_PRESENT_MASK) {
2040 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
2041 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
2042 mem_print(mon, &start, &last_prot, end, prot);
2043 } else {
2044 for(l2 = 0; l2 < 1024; l2++) {
2045 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
2046 (uint8_t *)&pte, 4);
2047 pte = le32_to_cpu(pte);
2048 end = (l1 << 22) + (l2 << 12);
2049 if (pte & PG_PRESENT_MASK) {
2050 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
2051 } else {
2052 prot = 0;
2053 }
2054 mem_print(mon, &start, &last_prot, end, prot);
2055 }
2056 }
2057 } else {
2058 prot = 0;
2059 mem_print(mon, &start, &last_prot, end, prot);
2060 }
2061 }
2062 }
2063 #endif
2064
2065 #if defined(TARGET_SH4)
2066
2067 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
2068 {
2069 monitor_printf(mon, " tlb%i:\t"
2070 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
2071 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
2072 "dirty=%hhu writethrough=%hhu\n",
2073 idx,
2074 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
2075 tlb->v, tlb->sh, tlb->c, tlb->pr,
2076 tlb->d, tlb->wt);
2077 }
2078
2079 static void tlb_info(Monitor *mon)
2080 {
2081 CPUState *env = mon_get_cpu();
2082 int i;
2083
2084 monitor_printf (mon, "ITLB:\n");
2085 for (i = 0 ; i < ITLB_SIZE ; i++)
2086 print_tlb (mon, i, &env->itlb[i]);
2087 monitor_printf (mon, "UTLB:\n");
2088 for (i = 0 ; i < UTLB_SIZE ; i++)
2089 print_tlb (mon, i, &env->utlb[i]);
2090 }
2091
2092 #endif
2093
2094 static void do_info_kvm_print(Monitor *mon, const QObject *data)
2095 {
2096 QDict *qdict;
2097
2098 qdict = qobject_to_qdict(data);
2099
2100 monitor_printf(mon, "kvm support: ");
2101 if (qdict_get_bool(qdict, "present")) {
2102 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
2103 "enabled" : "disabled");
2104 } else {
2105 monitor_printf(mon, "not compiled\n");
2106 }
2107 }
2108
2109 /**
2110 * do_info_kvm(): Show KVM information
2111 *
2112 * Return a QDict with the following information:
2113 *
2114 * - "enabled": true if KVM support is enabled, false otherwise
2115 * - "present": true if QEMU has KVM support, false otherwise
2116 *
2117 * Example:
2118 *
2119 * { "enabled": true, "present": true }
2120 */
2121 static void do_info_kvm(Monitor *mon, QObject **ret_data)
2122 {
2123 #ifdef CONFIG_KVM
2124 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
2125 kvm_enabled());
2126 #else
2127 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
2128 #endif
2129 }
2130
2131 static void do_info_numa(Monitor *mon)
2132 {
2133 int i;
2134 CPUState *env;
2135
2136 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
2137 for (i = 0; i < nb_numa_nodes; i++) {
2138 monitor_printf(mon, "node %d cpus:", i);
2139 for (env = first_cpu; env != NULL; env = env->next_cpu) {
2140 if (env->numa_node == i) {
2141 monitor_printf(mon, " %d", env->cpu_index);
2142 }
2143 }
2144 monitor_printf(mon, "\n");
2145 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
2146 node_mem[i] >> 20);
2147 }
2148 }
2149
2150 #ifdef CONFIG_PROFILER
2151
2152 int64_t qemu_time;
2153 int64_t dev_time;
2154
2155 static void do_info_profile(Monitor *mon)
2156 {
2157 int64_t total;
2158 total = qemu_time;
2159 if (total == 0)
2160 total = 1;
2161 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
2162 dev_time, dev_time / (double)get_ticks_per_sec());
2163 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
2164 qemu_time, qemu_time / (double)get_ticks_per_sec());
2165 qemu_time = 0;
2166 dev_time = 0;
2167 }
2168 #else
2169 static void do_info_profile(Monitor *mon)
2170 {
2171 monitor_printf(mon, "Internal profiler not compiled\n");
2172 }
2173 #endif
2174
2175 /* Capture support */
2176 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
2177
2178 static void do_info_capture(Monitor *mon)
2179 {
2180 int i;
2181 CaptureState *s;
2182
2183 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2184 monitor_printf(mon, "[%d]: ", i);
2185 s->ops.info (s->opaque);
2186 }
2187 }
2188
2189 #ifdef HAS_AUDIO
2190 static void do_stop_capture(Monitor *mon, const QDict *qdict)
2191 {
2192 int i;
2193 int n = qdict_get_int(qdict, "n");
2194 CaptureState *s;
2195
2196 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2197 if (i == n) {
2198 s->ops.destroy (s->opaque);
2199 QLIST_REMOVE (s, entries);
2200 qemu_free (s);
2201 return;
2202 }
2203 }
2204 }
2205
2206 static void do_wav_capture(Monitor *mon, const QDict *qdict)
2207 {
2208 const char *path = qdict_get_str(qdict, "path");
2209 int has_freq = qdict_haskey(qdict, "freq");
2210 int freq = qdict_get_try_int(qdict, "freq", -1);
2211 int has_bits = qdict_haskey(qdict, "bits");
2212 int bits = qdict_get_try_int(qdict, "bits", -1);
2213 int has_channels = qdict_haskey(qdict, "nchannels");
2214 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
2215 CaptureState *s;
2216
2217 s = qemu_mallocz (sizeof (*s));
2218
2219 freq = has_freq ? freq : 44100;
2220 bits = has_bits ? bits : 16;
2221 nchannels = has_channels ? nchannels : 2;
2222
2223 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2224 monitor_printf(mon, "Faied to add wave capture\n");
2225 qemu_free (s);
2226 }
2227 QLIST_INSERT_HEAD (&capture_head, s, entries);
2228 }
2229 #endif
2230
2231 #if defined(TARGET_I386)
2232 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2233 {
2234 CPUState *env;
2235 int cpu_index = qdict_get_int(qdict, "cpu_index");
2236
2237 for (env = first_cpu; env != NULL; env = env->next_cpu)
2238 if (env->cpu_index == cpu_index) {
2239 if (kvm_enabled())
2240 kvm_inject_interrupt(env, CPU_INTERRUPT_NMI);
2241 else
2242 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2243 break;
2244 }
2245 }
2246 #endif
2247
2248 static void do_info_status_print(Monitor *mon, const QObject *data)
2249 {
2250 QDict *qdict;
2251
2252 qdict = qobject_to_qdict(data);
2253
2254 monitor_printf(mon, "VM status: ");
2255 if (qdict_get_bool(qdict, "running")) {
2256 monitor_printf(mon, "running");
2257 if (qdict_get_bool(qdict, "singlestep")) {
2258 monitor_printf(mon, " (single step mode)");
2259 }
2260 } else {
2261 monitor_printf(mon, "paused");
2262 }
2263
2264 monitor_printf(mon, "\n");
2265 }
2266
2267 /**
2268 * do_info_status(): VM status
2269 *
2270 * Return a QDict with the following information:
2271 *
2272 * - "running": true if the VM is running, or false if it is paused
2273 * - "singlestep": true if the VM is in single step mode, false otherwise
2274 *
2275 * Example:
2276 *
2277 * { "running": true, "singlestep": false }
2278 */
2279 static void do_info_status(Monitor *mon, QObject **ret_data)
2280 {
2281 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2282 vm_running, singlestep);
2283 }
2284
2285 static void print_balloon_stat(const char *key, QObject *obj, void *opaque)
2286 {
2287 Monitor *mon = opaque;
2288
2289 if (strcmp(key, "actual"))
2290 monitor_printf(mon, ",%s=%" PRId64, key,
2291 qint_get_int(qobject_to_qint(obj)));
2292 }
2293
2294 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2295 {
2296 QDict *qdict;
2297
2298 qdict = qobject_to_qdict(data);
2299 if (!qdict_haskey(qdict, "actual"))
2300 return;
2301
2302 monitor_printf(mon, "balloon: actual=%" PRId64,
2303 qdict_get_int(qdict, "actual") >> 20);
2304 qdict_iter(qdict, print_balloon_stat, mon);
2305 monitor_printf(mon, "\n");
2306 }
2307
2308 /**
2309 * do_info_balloon(): Balloon information
2310 *
2311 * Make an asynchronous request for balloon info. When the request completes
2312 * a QDict will be returned according to the following specification:
2313 *
2314 * - "actual": current balloon value in bytes
2315 * The following fields may or may not be present:
2316 * - "mem_swapped_in": Amount of memory swapped in (bytes)
2317 * - "mem_swapped_out": Amount of memory swapped out (bytes)
2318 * - "major_page_faults": Number of major faults
2319 * - "minor_page_faults": Number of minor faults
2320 * - "free_mem": Total amount of free and unused memory (bytes)
2321 * - "total_mem": Total amount of available memory (bytes)
2322 *
2323 * Example:
2324 *
2325 * { "actual": 1073741824, "mem_swapped_in": 0, "mem_swapped_out": 0,
2326 * "major_page_faults": 142, "minor_page_faults": 239245,
2327 * "free_mem": 1014185984, "total_mem": 1044668416 }
2328 */
2329 static int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque)
2330 {
2331 int ret;
2332
2333 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2334 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2335 return -1;
2336 }
2337
2338 ret = qemu_balloon_status(cb, opaque);
2339 if (!ret) {
2340 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2341 return -1;
2342 }
2343
2344 return 0;
2345 }
2346
2347 /**
2348 * do_balloon(): Request VM to change its memory allocation
2349 */
2350 static int do_balloon(Monitor *mon, const QDict *params,
2351 MonitorCompletion cb, void *opaque)
2352 {
2353 int ret;
2354
2355 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2356 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2357 return -1;
2358 }
2359
2360 ret = qemu_balloon(qdict_get_int(params, "value"), cb, opaque);
2361 if (ret == 0) {
2362 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2363 return -1;
2364 }
2365
2366 cb(opaque, NULL);
2367 return 0;
2368 }
2369
2370 static qemu_acl *find_acl(Monitor *mon, const char *name)
2371 {
2372 qemu_acl *acl = qemu_acl_find(name);
2373
2374 if (!acl) {
2375 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2376 }
2377 return acl;
2378 }
2379
2380 static void do_acl_show(Monitor *mon, const QDict *qdict)
2381 {
2382 const char *aclname = qdict_get_str(qdict, "aclname");
2383 qemu_acl *acl = find_acl(mon, aclname);
2384 qemu_acl_entry *entry;
2385 int i = 0;
2386
2387 if (acl) {
2388 monitor_printf(mon, "policy: %s\n",
2389 acl->defaultDeny ? "deny" : "allow");
2390 QTAILQ_FOREACH(entry, &acl->entries, next) {
2391 i++;
2392 monitor_printf(mon, "%d: %s %s\n", i,
2393 entry->deny ? "deny" : "allow", entry->match);
2394 }
2395 }
2396 }
2397
2398 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2399 {
2400 const char *aclname = qdict_get_str(qdict, "aclname");
2401 qemu_acl *acl = find_acl(mon, aclname);
2402
2403 if (acl) {
2404 qemu_acl_reset(acl);
2405 monitor_printf(mon, "acl: removed all rules\n");
2406 }
2407 }
2408
2409 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2410 {
2411 const char *aclname = qdict_get_str(qdict, "aclname");
2412 const char *policy = qdict_get_str(qdict, "policy");
2413 qemu_acl *acl = find_acl(mon, aclname);
2414
2415 if (acl) {
2416 if (strcmp(policy, "allow") == 0) {
2417 acl->defaultDeny = 0;
2418 monitor_printf(mon, "acl: policy set to 'allow'\n");
2419 } else if (strcmp(policy, "deny") == 0) {
2420 acl->defaultDeny = 1;
2421 monitor_printf(mon, "acl: policy set to 'deny'\n");
2422 } else {
2423 monitor_printf(mon, "acl: unknown policy '%s', "
2424 "expected 'deny' or 'allow'\n", policy);
2425 }
2426 }
2427 }
2428
2429 static void do_acl_add(Monitor *mon, const QDict *qdict)
2430 {
2431 const char *aclname = qdict_get_str(qdict, "aclname");
2432 const char *match = qdict_get_str(qdict, "match");
2433 const char *policy = qdict_get_str(qdict, "policy");
2434 int has_index = qdict_haskey(qdict, "index");
2435 int index = qdict_get_try_int(qdict, "index", -1);
2436 qemu_acl *acl = find_acl(mon, aclname);
2437 int deny, ret;
2438
2439 if (acl) {
2440 if (strcmp(policy, "allow") == 0) {
2441 deny = 0;
2442 } else if (strcmp(policy, "deny") == 0) {
2443 deny = 1;
2444 } else {
2445 monitor_printf(mon, "acl: unknown policy '%s', "
2446 "expected 'deny' or 'allow'\n", policy);
2447 return;
2448 }
2449 if (has_index)
2450 ret = qemu_acl_insert(acl, deny, match, index);
2451 else
2452 ret = qemu_acl_append(acl, deny, match);
2453 if (ret < 0)
2454 monitor_printf(mon, "acl: unable to add acl entry\n");
2455 else
2456 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2457 }
2458 }
2459
2460 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2461 {
2462 const char *aclname = qdict_get_str(qdict, "aclname");
2463 const char *match = qdict_get_str(qdict, "match");
2464 qemu_acl *acl = find_acl(mon, aclname);
2465 int ret;
2466
2467 if (acl) {
2468 ret = qemu_acl_remove(acl, match);
2469 if (ret < 0)
2470 monitor_printf(mon, "acl: no matching acl entry\n");
2471 else
2472 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2473 }
2474 }
2475
2476 #if defined(TARGET_I386)
2477 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2478 {
2479 CPUState *cenv;
2480 int cpu_index = qdict_get_int(qdict, "cpu_index");
2481 int bank = qdict_get_int(qdict, "bank");
2482 uint64_t status = qdict_get_int(qdict, "status");
2483 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2484 uint64_t addr = qdict_get_int(qdict, "addr");
2485 uint64_t misc = qdict_get_int(qdict, "misc");
2486
2487 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2488 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2489 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2490 break;
2491 }
2492 }
2493 #endif
2494
2495 static int do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2496 {
2497 const char *fdname = qdict_get_str(qdict, "fdname");
2498 mon_fd_t *monfd;
2499 int fd;
2500
2501 fd = qemu_chr_get_msgfd(mon->chr);
2502 if (fd == -1) {
2503 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2504 return -1;
2505 }
2506
2507 if (qemu_isdigit(fdname[0])) {
2508 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2509 return -1;
2510 }
2511
2512 fd = dup(fd);
2513 if (fd == -1) {
2514 if (errno == EMFILE)
2515 qemu_error_new(QERR_TOO_MANY_FILES);
2516 else
2517 qemu_error_new(QERR_UNDEFINED_ERROR);
2518 return -1;
2519 }
2520
2521 QLIST_FOREACH(monfd, &mon->fds, next) {
2522 if (strcmp(monfd->name, fdname) != 0) {
2523 continue;
2524 }
2525
2526 close(monfd->fd);
2527 monfd->fd = fd;
2528 return 0;
2529 }
2530
2531 monfd = qemu_mallocz(sizeof(mon_fd_t));
2532 monfd->name = qemu_strdup(fdname);
2533 monfd->fd = fd;
2534
2535 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2536 return 0;
2537 }
2538
2539 static int do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2540 {
2541 const char *fdname = qdict_get_str(qdict, "fdname");
2542 mon_fd_t *monfd;
2543
2544 QLIST_FOREACH(monfd, &mon->fds, next) {
2545 if (strcmp(monfd->name, fdname) != 0) {
2546 continue;
2547 }
2548
2549 QLIST_REMOVE(monfd, next);
2550 close(monfd->fd);
2551 qemu_free(monfd->name);
2552 qemu_free(monfd);
2553 return 0;
2554 }
2555
2556 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2557 return -1;
2558 }
2559
2560 static void do_loadvm(Monitor *mon, const QDict *qdict)
2561 {
2562 int saved_vm_running = vm_running;
2563 const char *name = qdict_get_str(qdict, "name");
2564
2565 vm_stop(0);
2566
2567 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2568 vm_start();
2569 }
2570
2571 int monitor_get_fd(Monitor *mon, const char *fdname)
2572 {
2573 mon_fd_t *monfd;
2574
2575 QLIST_FOREACH(monfd, &mon->fds, next) {
2576 int fd;
2577
2578 if (strcmp(monfd->name, fdname) != 0) {
2579 continue;
2580 }
2581
2582 fd = monfd->fd;
2583
2584 /* caller takes ownership of fd */
2585 QLIST_REMOVE(monfd, next);
2586 qemu_free(monfd->name);
2587 qemu_free(monfd);
2588
2589 return fd;
2590 }
2591
2592 return -1;
2593 }
2594
2595 static const mon_cmd_t mon_cmds[] = {
2596 #include "qemu-monitor.h"
2597 { NULL, NULL, },
2598 };
2599
2600 /* Please update qemu-monitor.hx when adding or changing commands */
2601 static const mon_cmd_t info_cmds[] = {
2602 {
2603 .name = "version",
2604 .args_type = "",
2605 .params = "",
2606 .help = "show the version of QEMU",
2607 .user_print = do_info_version_print,
2608 .mhandler.info_new = do_info_version,
2609 },
2610 {
2611 .name = "commands",
2612 .args_type = "",
2613 .params = "",
2614 .help = "list QMP available commands",
2615 .user_print = monitor_user_noop,
2616 .mhandler.info_new = do_info_commands,
2617 },
2618 {
2619 .name = "network",
2620 .args_type = "",
2621 .params = "",
2622 .help = "show the network state",
2623 .mhandler.info = do_info_network,
2624 },
2625 {
2626 .name = "chardev",
2627 .args_type = "",
2628 .params = "",
2629 .help = "show the character devices",
2630 .user_print = qemu_chr_info_print,
2631 .mhandler.info_new = qemu_chr_info,
2632 },
2633 {
2634 .name = "block",
2635 .args_type = "",
2636 .params = "",
2637 .help = "show the block devices",
2638 .user_print = bdrv_info_print,
2639 .mhandler.info_new = bdrv_info,
2640 },
2641 {
2642 .name = "blockstats",
2643 .args_type = "",
2644 .params = "",
2645 .help = "show block device statistics",
2646 .user_print = bdrv_stats_print,
2647 .mhandler.info_new = bdrv_info_stats,
2648 },
2649 {
2650 .name = "registers",
2651 .args_type = "",
2652 .params = "",
2653 .help = "show the cpu registers",
2654 .mhandler.info = do_info_registers,
2655 },
2656 {
2657 .name = "cpus",
2658 .args_type = "",
2659 .params = "",
2660 .help = "show infos for each CPU",
2661 .user_print = monitor_print_cpus,
2662 .mhandler.info_new = do_info_cpus,
2663 },
2664 {
2665 .name = "history",
2666 .args_type = "",
2667 .params = "",
2668 .help = "show the command line history",
2669 .mhandler.info = do_info_history,
2670 },
2671 {
2672 .name = "irq",
2673 .args_type = "",
2674 .params = "",
2675 .help = "show the interrupts statistics (if available)",
2676 .mhandler.info = irq_info,
2677 },
2678 {
2679 .name = "pic",
2680 .args_type = "",
2681 .params = "",
2682 .help = "show i8259 (PIC) state",
2683 .mhandler.info = pic_info,
2684 },
2685 {
2686 .name = "pci",
2687 .args_type = "",
2688 .params = "",
2689 .help = "show PCI info",
2690 .user_print = do_pci_info_print,
2691 .mhandler.info_new = do_pci_info,
2692 },
2693 #if defined(TARGET_I386) || defined(TARGET_SH4)
2694 {
2695 .name = "tlb",
2696 .args_type = "",
2697 .params = "",
2698 .help = "show virtual to physical memory mappings",
2699 .mhandler.info = tlb_info,
2700 },
2701 #endif
2702 #if defined(TARGET_I386)
2703 {
2704 .name = "mem",
2705 .args_type = "",
2706 .params = "",
2707 .help = "show the active virtual memory mappings",
2708 .mhandler.info = mem_info,
2709 },
2710 {
2711 .name = "hpet",
2712 .args_type = "",
2713 .params = "",
2714 .help = "show state of HPET",
2715 .user_print = do_info_hpet_print,
2716 .mhandler.info_new = do_info_hpet,
2717 },
2718 #endif
2719 {
2720 .name = "jit",
2721 .args_type = "",
2722 .params = "",
2723 .help = "show dynamic compiler info",
2724 .mhandler.info = do_info_jit,
2725 },
2726 {
2727 .name = "kvm",
2728 .args_type = "",
2729 .params = "",
2730 .help = "show KVM information",
2731 .user_print = do_info_kvm_print,
2732 .mhandler.info_new = do_info_kvm,
2733 },
2734 {
2735 .name = "numa",
2736 .args_type = "",
2737 .params = "",
2738 .help = "show NUMA information",
2739 .mhandler.info = do_info_numa,
2740 },
2741 {
2742 .name = "usb",
2743 .args_type = "",
2744 .params = "",
2745 .help = "show guest USB devices",
2746 .mhandler.info = usb_info,
2747 },
2748 {
2749 .name = "usbhost",
2750 .args_type = "",
2751 .params = "",
2752 .help = "show host USB devices",
2753 .mhandler.info = usb_host_info,
2754 },
2755 {
2756 .name = "profile",
2757 .args_type = "",
2758 .params = "",
2759 .help = "show profiling information",
2760 .mhandler.info = do_info_profile,
2761 },
2762 {
2763 .name = "capture",
2764 .args_type = "",
2765 .params = "",
2766 .help = "show capture information",
2767 .mhandler.info = do_info_capture,
2768 },
2769 {
2770 .name = "snapshots",
2771 .args_type = "",
2772 .params = "",
2773 .help = "show the currently saved VM snapshots",
2774 .mhandler.info = do_info_snapshots,
2775 },
2776 {
2777 .name = "status",
2778 .args_type = "",
2779 .params = "",
2780 .help = "show the current VM status (running|paused)",
2781 .user_print = do_info_status_print,
2782 .mhandler.info_new = do_info_status,
2783 },
2784 {
2785 .name = "pcmcia",
2786 .args_type = "",
2787 .params = "",
2788 .help = "show guest PCMCIA status",
2789 .mhandler.info = pcmcia_info,
2790 },
2791 {
2792 .name = "mice",
2793 .args_type = "",
2794 .params = "",
2795 .help = "show which guest mouse is receiving events",
2796 .user_print = do_info_mice_print,
2797 .mhandler.info_new = do_info_mice,
2798 },
2799 {
2800 .name = "vnc",
2801 .args_type = "",
2802 .params = "",
2803 .help = "show the vnc server status",
2804 .user_print = do_info_vnc_print,
2805 .mhandler.info_new = do_info_vnc,
2806 },
2807 {
2808 .name = "name",
2809 .args_type = "",
2810 .params = "",
2811 .help = "show the current VM name",
2812 .user_print = do_info_name_print,
2813 .mhandler.info_new = do_info_name,
2814 },
2815 {
2816 .name = "uuid",
2817 .args_type = "",
2818 .params = "",
2819 .help = "show the current VM UUID",
2820 .user_print = do_info_uuid_print,
2821 .mhandler.info_new = do_info_uuid,
2822 },
2823 #if defined(TARGET_PPC)
2824 {
2825 .name = "cpustats",
2826 .args_type = "",
2827 .params = "",
2828 .help = "show CPU statistics",
2829 .mhandler.info = do_info_cpu_stats,
2830 },
2831 #endif
2832 #if defined(CONFIG_SLIRP)
2833 {
2834 .name = "usernet",
2835 .args_type = "",
2836 .params = "",
2837 .help = "show user network stack connection states",
2838 .mhandler.info = do_info_usernet,
2839 },
2840 #endif
2841 {
2842 .name = "migrate",
2843 .args_type = "",
2844 .params = "",
2845 .help = "show migration status",
2846 .user_print = do_info_migrate_print,
2847 .mhandler.info_new = do_info_migrate,
2848 },
2849 {
2850 .name = "balloon",
2851 .args_type = "",
2852 .params = "",
2853 .help = "show balloon information",
2854 .user_print = monitor_print_balloon,
2855 .mhandler.info_async = do_info_balloon,
2856 .async = 1,
2857 },
2858 {
2859 .name = "qtree",
2860 .args_type = "",
2861 .params = "",
2862 .help = "show device tree",
2863 .mhandler.info = do_info_qtree,
2864 },
2865 {
2866 .name = "qdm",
2867 .args_type = "",
2868 .params = "",
2869 .help = "show qdev device model list",
2870 .mhandler.info = do_info_qdm,
2871 },
2872 {
2873 .name = "roms",
2874 .args_type = "",
2875 .params = "",
2876 .help = "show roms",
2877 .mhandler.info = do_info_roms,
2878 },
2879 {
2880 .name = NULL,
2881 },
2882 };
2883
2884 /*******************************************************************/
2885
2886 static const char *pch;
2887 static jmp_buf expr_env;
2888
2889 #define MD_TLONG 0
2890 #define MD_I32 1
2891
2892 typedef struct MonitorDef {
2893 const char *name;
2894 int offset;
2895 target_long (*get_value)(const struct MonitorDef *md, int val);
2896 int type;
2897 } MonitorDef;
2898
2899 #if defined(TARGET_I386)
2900 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2901 {
2902 CPUState *env = mon_get_cpu();
2903 return env->eip + env->segs[R_CS].base;
2904 }
2905 #endif
2906
2907 #if defined(TARGET_PPC)
2908 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2909 {
2910 CPUState *env = mon_get_cpu();
2911 unsigned int u;
2912 int i;
2913
2914 u = 0;
2915 for (i = 0; i < 8; i++)
2916 u |= env->crf[i] << (32 - (4 * i));
2917
2918 return u;
2919 }
2920
2921 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2922 {
2923 CPUState *env = mon_get_cpu();
2924 return env->msr;
2925 }
2926
2927 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2928 {
2929 CPUState *env = mon_get_cpu();
2930 return env->xer;
2931 }
2932
2933 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2934 {
2935 CPUState *env = mon_get_cpu();
2936 return cpu_ppc_load_decr(env);
2937 }
2938
2939 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2940 {
2941 CPUState *env = mon_get_cpu();
2942 return cpu_ppc_load_tbu(env);
2943 }
2944
2945 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2946 {
2947 CPUState *env = mon_get_cpu();
2948 return cpu_ppc_load_tbl(env);
2949 }
2950 #endif
2951
2952 #if defined(TARGET_SPARC)
2953 #ifndef TARGET_SPARC64
2954 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2955 {
2956 CPUState *env = mon_get_cpu();
2957 return GET_PSR(env);
2958 }
2959 #endif
2960
2961 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2962 {
2963 CPUState *env = mon_get_cpu();
2964 return env->regwptr[val];
2965 }
2966 #endif
2967
2968 static const MonitorDef monitor_defs[] = {
2969 #ifdef TARGET_I386
2970
2971 #define SEG(name, seg) \
2972 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2973 { name ".base", offsetof(CPUState, segs[seg].base) },\
2974 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2975
2976 { "eax", offsetof(CPUState, regs[0]) },
2977 { "ecx", offsetof(CPUState, regs[1]) },
2978 { "edx", offsetof(CPUState, regs[2]) },
2979 { "ebx", offsetof(CPUState, regs[3]) },
2980 { "esp|sp", offsetof(CPUState, regs[4]) },
2981 { "ebp|fp", offsetof(CPUState, regs[5]) },
2982 { "esi", offsetof(CPUState, regs[6]) },
2983 { "edi", offsetof(CPUState, regs[7]) },
2984 #ifdef TARGET_X86_64
2985 { "r8", offsetof(CPUState, regs[8]) },
2986 { "r9", offsetof(CPUState, regs[9]) },
2987 { "r10", offsetof(CPUState, regs[10]) },
2988 { "r11", offsetof(CPUState, regs[11]) },
2989 { "r12", offsetof(CPUState, regs[12]) },
2990 { "r13", offsetof(CPUState, regs[13]) },
2991 { "r14", offsetof(CPUState, regs[14]) },
2992 { "r15", offsetof(CPUState, regs[15]) },
2993 #endif
2994 { "eflags", offsetof(CPUState, eflags) },
2995 { "eip", offsetof(CPUState, eip) },
2996 SEG("cs", R_CS)
2997 SEG("ds", R_DS)
2998 SEG("es", R_ES)
2999 SEG("ss", R_SS)
3000 SEG("fs", R_FS)
3001 SEG("gs", R_GS)
3002 { "pc", 0, monitor_get_pc, },
3003 #elif defined(TARGET_PPC)
3004 /* General purpose registers */
3005 { "r0", offsetof(CPUState, gpr[0]) },
3006 { "r1", offsetof(CPUState, gpr[1]) },
3007 { "r2", offsetof(CPUState, gpr[2]) },
3008 { "r3", offsetof(CPUState, gpr[3]) },
3009 { "r4", offsetof(CPUState, gpr[4]) },
3010 { "r5", offsetof(CPUState, gpr[5]) },
3011 { "r6", offsetof(CPUState, gpr[6]) },
3012 { "r7", offsetof(CPUState, gpr[7]) },
3013 { "r8", offsetof(CPUState, gpr[8]) },
3014 { "r9", offsetof(CPUState, gpr[9]) },
3015 { "r10", offsetof(CPUState, gpr[10]) },
3016 { "r11", offsetof(CPUState, gpr[11]) },
3017 { "r12", offsetof(CPUState, gpr[12]) },
3018 { "r13", offsetof(CPUState, gpr[13]) },
3019 { "r14", offsetof(CPUState, gpr[14]) },
3020 { "r15", offsetof(CPUState, gpr[15]) },
3021 { "r16", offsetof(CPUState, gpr[16]) },
3022 { "r17", offsetof(CPUState, gpr[17]) },
3023 { "r18", offsetof(CPUState, gpr[18]) },
3024 { "r19", offsetof(CPUState, gpr[19]) },
3025 { "r20", offsetof(CPUState, gpr[20]) },
3026 { "r21", offsetof(CPUState, gpr[21]) },
3027 { "r22", offsetof(CPUState, gpr[22]) },
3028 { "r23", offsetof(CPUState, gpr[23]) },
3029 { "r24", offsetof(CPUState, gpr[24]) },
3030 { "r25", offsetof(CPUState, gpr[25]) },
3031 { "r26", offsetof(CPUState, gpr[26]) },
3032 { "r27", offsetof(CPUState, gpr[27]) },
3033 { "r28", offsetof(CPUState, gpr[28]) },
3034 { "r29", offsetof(CPUState, gpr[29]) },
3035 { "r30", offsetof(CPUState, gpr[30]) },
3036 { "r31", offsetof(CPUState, gpr[31]) },
3037 /* Floating point registers */
3038 { "f0", offsetof(CPUState, fpr[0]) },
3039 { "f1", offsetof(CPUState, fpr[1]) },
3040 { "f2", offsetof(CPUState, fpr[2]) },
3041 { "f3", offsetof(CPUState, fpr[3]) },
3042 { "f4", offsetof(CPUState, fpr[4]) },
3043 { "f5", offsetof(CPUState, fpr[5]) },
3044 { "f6", offsetof(CPUState, fpr[6]) },
3045 { "f7", offsetof(CPUState, fpr[7]) },
3046 { "f8", offsetof(CPUState, fpr[8]) },
3047 { "f9", offsetof(CPUState, fpr[9]) },
3048 { "f10", offsetof(CPUState, fpr[10]) },
3049 { "f11", offsetof(CPUState, fpr[11]) },
3050 { "f12", offsetof(CPUState, fpr[12]) },
3051 { "f13", offsetof(CPUState, fpr[13]) },
3052 { "f14", offsetof(CPUState, fpr[14]) },
3053 { "f15", offsetof(CPUState, fpr[15]) },
3054 { "f16", offsetof(CPUState, fpr[16]) },
3055 { "f17", offsetof(CPUState, fpr[17]) },
3056 { "f18", offsetof(CPUState, fpr[18]) },
3057 { "f19", offsetof(CPUState, fpr[19]) },
3058 { "f20", offsetof(CPUState, fpr[20]) },
3059 { "f21", offsetof(CPUState, fpr[21]) },
3060 { "f22", offsetof(CPUState, fpr[22]) },
3061 { "f23", offsetof(CPUState, fpr[23]) },
3062 { "f24", offsetof(CPUState, fpr[24]) },
3063 { "f25", offsetof(CPUState, fpr[25]) },
3064 { "f26", offsetof(CPUState, fpr[26]) },
3065 { "f27", offsetof(CPUState, fpr[27]) },
3066 { "f28", offsetof(CPUState, fpr[28]) },
3067 { "f29", offsetof(CPUState, fpr[29]) },
3068 { "f30", offsetof(CPUState, fpr[30]) },
3069 { "f31", offsetof(CPUState, fpr[31]) },
3070 { "fpscr", offsetof(CPUState, fpscr) },
3071 /* Next instruction pointer */
3072 { "nip|pc", offsetof(CPUState, nip) },
3073 { "lr", offsetof(CPUState, lr) },
3074 { "ctr", offsetof(CPUState, ctr) },
3075 { "decr", 0, &monitor_get_decr, },
3076 { "ccr", 0, &monitor_get_ccr, },
3077 /* Machine state register */
3078 { "msr", 0, &monitor_get_msr, },
3079 { "xer", 0, &monitor_get_xer, },
3080 { "tbu", 0, &monitor_get_tbu, },
3081 { "tbl", 0, &monitor_get_tbl, },
3082 #if defined(TARGET_PPC64)
3083 /* Address space register */
3084 { "asr", offsetof(CPUState, asr) },
3085 #endif
3086 /* Segment registers */
3087 { "sdr1", offsetof(CPUState, sdr1) },
3088 { "sr0", offsetof(CPUState, sr[0]) },
3089 { "sr1", offsetof(CPUState, sr[1]) },
3090 { "sr2", offsetof(CPUState, sr[2]) },
3091 { "sr3", offsetof(CPUState, sr[3]) },
3092 { "sr4", offsetof(CPUState, sr[4]) },
3093 { "sr5", offsetof(CPUState, sr[5]) },
3094 { "sr6", offsetof(CPUState, sr[6]) },
3095 { "sr7", offsetof(CPUState, sr[7]) },
3096 { "sr8", offsetof(CPUState, sr[8]) },
3097 { "sr9", offsetof(CPUState, sr[9]) },
3098 { "sr10", offsetof(CPUState, sr[10]) },
3099 { "sr11", offsetof(CPUState, sr[11]) },
3100 { "sr12", offsetof(CPUState, sr[12]) },
3101 { "sr13", offsetof(CPUState, sr[13]) },
3102 { "sr14", offsetof(CPUState, sr[14]) },
3103 { "sr15", offsetof(CPUState, sr[15]) },
3104 /* Too lazy to put BATs and SPRs ... */
3105 #elif defined(TARGET_SPARC)
3106 { "g0", offsetof(CPUState, gregs[0]) },
3107 { "g1", offsetof(CPUState, gregs[1]) },
3108 { "g2", offsetof(CPUState, gregs[2]) },
3109 { "g3", offsetof(CPUState, gregs[3]) },
3110 { "g4", offsetof(CPUState, gregs[4]) },
3111 { "g5", offsetof(CPUState, gregs[5]) },
3112 { "g6", offsetof(CPUState, gregs[6]) },
3113 { "g7", offsetof(CPUState, gregs[7]) },
3114 { "o0", 0, monitor_get_reg },
3115 { "o1", 1, monitor_get_reg },
3116 { "o2", 2, monitor_get_reg },
3117 { "o3", 3, monitor_get_reg },
3118 { "o4", 4, monitor_get_reg },
3119 { "o5", 5, monitor_get_reg },
3120 { "o6", 6, monitor_get_reg },
3121 { "o7", 7, monitor_get_reg },
3122 { "l0", 8, monitor_get_reg },
3123 { "l1", 9, monitor_get_reg },
3124 { "l2", 10, monitor_get_reg },
3125 { "l3", 11, monitor_get_reg },
3126 { "l4", 12, monitor_get_reg },
3127 { "l5", 13, monitor_get_reg },
3128 { "l6", 14, monitor_get_reg },
3129 { "l7", 15, monitor_get_reg },
3130 { "i0", 16, monitor_get_reg },
3131 { "i1", 17, monitor_get_reg },
3132 { "i2", 18, monitor_get_reg },
3133 { "i3", 19, monitor_get_reg },
3134 { "i4", 20, monitor_get_reg },
3135 { "i5", 21, monitor_get_reg },
3136 { "i6", 22, monitor_get_reg },
3137 { "i7", 23, monitor_get_reg },
3138 { "pc", offsetof(CPUState, pc) },
3139 { "npc", offsetof(CPUState, npc) },
3140 { "y", offsetof(CPUState, y) },
3141 #ifndef TARGET_SPARC64
3142 { "psr", 0, &monitor_get_psr, },
3143 { "wim", offsetof(CPUState, wim) },
3144 #endif
3145 { "tbr", offsetof(CPUState, tbr) },
3146 { "fsr", offsetof(CPUState, fsr) },
3147 { "f0", offsetof(CPUState, fpr[0]) },
3148 { "f1", offsetof(CPUState, fpr[1]) },
3149 { "f2", offsetof(CPUState, fpr[2]) },
3150 { "f3", offsetof(CPUState, fpr[3]) },
3151 { "f4", offsetof(CPUState, fpr[4]) },
3152 { "f5", offsetof(CPUState, fpr[5]) },
3153 { "f6", offsetof(CPUState, fpr[6]) },
3154 { "f7", offsetof(CPUState, fpr[7]) },
3155 { "f8", offsetof(CPUState, fpr[8]) },
3156 { "f9", offsetof(CPUState, fpr[9]) },
3157 { "f10", offsetof(CPUState, fpr[10]) },
3158 { "f11", offsetof(CPUState, fpr[11]) },
3159 { "f12", offsetof(CPUState, fpr[12]) },
3160 { "f13", offsetof(CPUState, fpr[13]) },
3161 { "f14", offsetof(CPUState, fpr[14]) },
3162 { "f15", offsetof(CPUState, fpr[15]) },
3163 { "f16", offsetof(CPUState, fpr[16]) },
3164 { "f17", offsetof(CPUState, fpr[17]) },
3165 { "f18", offsetof(CPUState, fpr[18]) },
3166 { "f19", offsetof(CPUState, fpr[19]) },
3167 { "f20", offsetof(CPUState, fpr[20]) },
3168 { "f21", offsetof(CPUState, fpr[21]) },
3169 { "f22", offsetof(CPUState, fpr[22]) },
3170 { "f23", offsetof(CPUState, fpr[23]) },
3171 { "f24", offsetof(CPUState, fpr[24]) },
3172 { "f25", offsetof(CPUState, fpr[25]) },
3173 { "f26", offsetof(CPUState, fpr[26]) },
3174 { "f27", offsetof(CPUState, fpr[27]) },
3175 { "f28", offsetof(CPUState, fpr[28]) },
3176 { "f29", offsetof(CPUState, fpr[29]) },
3177 { "f30", offsetof(CPUState, fpr[30]) },
3178 { "f31", offsetof(CPUState, fpr[31]) },
3179 #ifdef TARGET_SPARC64
3180 { "f32", offsetof(CPUState, fpr[32]) },
3181 { "f34", offsetof(CPUState, fpr[34]) },
3182 { "f36", offsetof(CPUState, fpr[36]) },
3183 { "f38", offsetof(CPUState, fpr[38]) },
3184 { "f40", offsetof(CPUState, fpr[40]) },
3185 { "f42", offsetof(CPUState, fpr[42]) },
3186 { "f44", offsetof(CPUState, fpr[44]) },
3187 { "f46", offsetof(CPUState, fpr[46]) },
3188 { "f48", offsetof(CPUState, fpr[48]) },
3189 { "f50", offsetof(CPUState, fpr[50]) },
3190 { "f52", offsetof(CPUState, fpr[52]) },
3191 { "f54", offsetof(CPUState, fpr[54]) },
3192 { "f56", offsetof(CPUState, fpr[56]) },
3193 { "f58", offsetof(CPUState, fpr[58]) },
3194 { "f60", offsetof(CPUState, fpr[60]) },
3195 { "f62", offsetof(CPUState, fpr[62]) },
3196 { "asi", offsetof(CPUState, asi) },
3197 { "pstate", offsetof(CPUState, pstate) },
3198 { "cansave", offsetof(CPUState, cansave) },
3199 { "canrestore", offsetof(CPUState, canrestore) },
3200 { "otherwin", offsetof(CPUState, otherwin) },
3201 { "wstate", offsetof(CPUState, wstate) },
3202 { "cleanwin", offsetof(CPUState, cleanwin) },
3203 { "fprs", offsetof(CPUState, fprs) },
3204 #endif
3205 #endif
3206 { NULL },
3207 };
3208
3209 static void expr_error(Monitor *mon, const char *msg)
3210 {
3211 monitor_printf(mon, "%s\n", msg);
3212 longjmp(expr_env, 1);
3213 }
3214
3215 /* return 0 if OK, -1 if not found */
3216 static int get_monitor_def(target_long *pval, const char *name)
3217 {
3218 const MonitorDef *md;
3219 void *ptr;
3220
3221 for(md = monitor_defs; md->name != NULL; md++) {
3222 if (compare_cmd(name, md->name)) {
3223 if (md->get_value) {
3224 *pval = md->get_value(md, md->offset);
3225 } else {
3226 CPUState *env = mon_get_cpu();
3227 ptr = (uint8_t *)env + md->offset;
3228 switch(md->type) {
3229 case MD_I32:
3230 *pval = *(int32_t *)ptr;
3231 break;
3232 case MD_TLONG:
3233 *pval = *(target_long *)ptr;
3234 break;
3235 default:
3236 *pval = 0;
3237 break;
3238 }
3239 }
3240 return 0;
3241 }
3242 }
3243 return -1;
3244 }
3245
3246 static void next(void)
3247 {
3248 if (*pch != '\0') {
3249 pch++;
3250 while (qemu_isspace(*pch))
3251 pch++;
3252 }
3253 }
3254
3255 static int64_t expr_sum(Monitor *mon);
3256
3257 static int64_t expr_unary(Monitor *mon)
3258 {
3259 int64_t n;
3260 char *p;
3261 int ret;
3262
3263 switch(*pch) {
3264 case '+':
3265 next();
3266 n = expr_unary(mon);
3267 break;
3268 case '-':
3269 next();
3270 n = -expr_unary(mon);
3271 break;
3272 case '~':
3273 next();
3274 n = ~expr_unary(mon);
3275 break;
3276 case '(':
3277 next();
3278 n = expr_sum(mon);
3279 if (*pch != ')') {
3280 expr_error(mon, "')' expected");
3281 }
3282 next();
3283 break;
3284 case '\'':
3285 pch++;
3286 if (*pch == '\0')
3287 expr_error(mon, "character constant expected");
3288 n = *pch;
3289 pch++;
3290 if (*pch != '\'')
3291 expr_error(mon, "missing terminating \' character");
3292 next();
3293 break;
3294 case '$':
3295 {
3296 char buf[128], *q;
3297 target_long reg=0;
3298
3299 pch++;
3300 q = buf;
3301 while ((*pch >= 'a' && *pch <= 'z') ||
3302 (*pch >= 'A' && *pch <= 'Z') ||
3303 (*pch >= '0' && *pch <= '9') ||
3304 *pch == '_' || *pch == '.') {
3305 if ((q - buf) < sizeof(buf) - 1)
3306 *q++ = *pch;
3307 pch++;
3308 }
3309 while (qemu_isspace(*pch))
3310 pch++;
3311 *q = 0;
3312 ret = get_monitor_def(&reg, buf);
3313 if (ret < 0)
3314 expr_error(mon, "unknown register");
3315 n = reg;
3316 }
3317 break;
3318 case '\0':
3319 expr_error(mon, "unexpected end of expression");
3320 n = 0;
3321 break;
3322 default:
3323 #if TARGET_PHYS_ADDR_BITS > 32
3324 n = strtoull(pch, &p, 0);
3325 #else
3326 n = strtoul(pch, &p, 0);
3327 #endif
3328 if (pch == p) {
3329 expr_error(mon, "invalid char in expression");
3330 }
3331 pch = p;
3332 while (qemu_isspace(*pch))
3333 pch++;
3334 break;
3335 }
3336 return n;
3337 }
3338
3339
3340 static int64_t expr_prod(Monitor *mon)
3341 {
3342 int64_t val, val2;
3343 int op;
3344
3345 val = expr_unary(mon);
3346 for(;;) {
3347 op = *pch;
3348 if (op != '*' && op != '/' && op != '%')
3349 break;
3350 next();
3351 val2 = expr_unary(mon);
3352 switch(op) {
3353 default:
3354 case '*':
3355 val *= val2;
3356 break;
3357 case '/':
3358 case '%':
3359 if (val2 == 0)
3360 expr_error(mon, "division by zero");
3361 if (op == '/')
3362 val /= val2;
3363 else
3364 val %= val2;
3365 break;
3366 }
3367 }
3368 return val;
3369 }
3370
3371 static int64_t expr_logic(Monitor *mon)
3372 {
3373 int64_t val, val2;
3374 int op;
3375
3376 val = expr_prod(mon);
3377 for(;;) {
3378 op = *pch;
3379 if (op != '&' && op != '|' && op != '^')
3380 break;
3381 next();
3382 val2 = expr_prod(mon);
3383 switch(op) {
3384 default:
3385 case '&':
3386 val &= val2;
3387 break;
3388 case '|':
3389 val |= val2;
3390 break;
3391 case '^':
3392 val ^= val2;
3393 break;
3394 }
3395 }
3396 return val;
3397 }
3398
3399 static int64_t expr_sum(Monitor *mon)
3400 {
3401 int64_t val, val2;
3402 int op;
3403
3404 val = expr_logic(mon);
3405 for(;;) {
3406 op = *pch;
3407 if (op != '+' && op != '-')
3408 break;
3409 next();
3410 val2 = expr_logic(mon);
3411 if (op == '+')
3412 val += val2;
3413 else
3414 val -= val2;
3415 }
3416 return val;
3417 }
3418
3419 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3420 {
3421 pch = *pp;
3422 if (setjmp(expr_env)) {
3423 *pp = pch;
3424 return -1;
3425 }
3426 while (qemu_isspace(*pch))
3427 pch++;
3428 *pval = expr_sum(mon);
3429 *pp = pch;
3430 return 0;
3431 }
3432
3433 static int get_double(Monitor *mon, double *pval, const char **pp)
3434 {
3435 const char *p = *pp;
3436 char *tailp;
3437 double d;
3438
3439 d = strtod(p, &tailp);
3440 if (tailp == p) {
3441 monitor_printf(mon, "Number expected\n");
3442 return -1;
3443 }
3444 if (d != d || d - d != 0) {
3445 /* NaN or infinity */
3446 monitor_printf(mon, "Bad number\n");
3447 return -1;
3448 }
3449 *pval = d;
3450 *pp = tailp;
3451 return 0;
3452 }
3453
3454 static int get_str(char *buf, int buf_size, const char **pp)
3455 {
3456 const char *p;
3457 char *q;
3458 int c;
3459
3460 q = buf;
3461 p = *pp;
3462 while (qemu_isspace(*p))
3463 p++;
3464 if (*p == '\0') {
3465 fail:
3466 *q = '\0';
3467 *pp = p;
3468 return -1;
3469 }
3470 if (*p == '\"') {
3471 p++;
3472 while (*p != '\0' && *p != '\"') {
3473 if (*p == '\\') {
3474 p++;
3475 c = *p++;
3476 switch(c) {
3477 case 'n':
3478 c = '\n';
3479 break;
3480 case 'r':
3481 c = '\r';
3482 break;
3483 case '\\':
3484 case '\'':
3485 case '\"':
3486 break;
3487 default:
3488 qemu_printf("unsupported escape code: '\\%c'\n", c);
3489 goto fail;
3490 }
3491 if ((q - buf) < buf_size - 1) {
3492 *q++ = c;
3493 }
3494 } else {
3495 if ((q - buf) < buf_size - 1) {
3496 *q++ = *p;
3497 }
3498 p++;
3499 }
3500 }
3501 if (*p != '\"') {
3502 qemu_printf("unterminated string\n");
3503 goto fail;
3504 }
3505 p++;
3506 } else {
3507 while (*p != '\0' && !qemu_isspace(*p)) {
3508 if ((q - buf) < buf_size - 1) {
3509 *q++ = *p;
3510 }
3511 p++;
3512 }
3513 }
3514 *q = '\0';
3515 *pp = p;
3516 return 0;
3517 }
3518
3519 /*
3520 * Store the command-name in cmdname, and return a pointer to
3521 * the remaining of the command string.
3522 */
3523 static const char *get_command_name(const char *cmdline,
3524 char *cmdname, size_t nlen)
3525 {
3526 size_t len;
3527 const char *p, *pstart;
3528
3529 p = cmdline;
3530 while (qemu_isspace(*p))
3531 p++;
3532 if (*p == '\0')
3533 return NULL;
3534 pstart = p;
3535 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3536 p++;
3537 len = p - pstart;
3538 if (len > nlen - 1)
3539 len = nlen - 1;
3540 memcpy(cmdname, pstart, len);
3541 cmdname[len] = '\0';
3542 return p;
3543 }
3544
3545 /**
3546 * Read key of 'type' into 'key' and return the current
3547 * 'type' pointer.
3548 */
3549 static char *key_get_info(const char *type, char **key)
3550 {
3551 size_t len;
3552 char *p, *str;
3553
3554 if (*type == ',')
3555 type++;
3556
3557 p = strchr(type, ':');
3558 if (!p) {
3559 *key = NULL;
3560 return NULL;
3561 }
3562 len = p - type;
3563
3564 str = qemu_malloc(len + 1);
3565 memcpy(str, type, len);
3566 str[len] = '\0';
3567
3568 *key = str;
3569 return ++p;
3570 }
3571
3572 static int default_fmt_format = 'x';
3573 static int default_fmt_size = 4;
3574
3575 #define MAX_ARGS 16
3576
3577 static int is_valid_option(const char *c, const char *typestr)
3578 {
3579 char option[3];
3580
3581 option[0] = '-';
3582 option[1] = *c;
3583 option[2] = '\0';
3584
3585 typestr = strstr(typestr, option);
3586 return (typestr != NULL);
3587 }
3588
3589 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3590 {
3591 const mon_cmd_t *cmd;
3592
3593 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3594 if (compare_cmd(cmdname, cmd->name)) {
3595 return cmd;
3596 }
3597 }
3598
3599 return NULL;
3600 }
3601
3602 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3603 const char *cmdline,
3604 QDict *qdict)
3605 {
3606 const char *p, *typestr;
3607 int c;
3608 const mon_cmd_t *cmd;
3609 char cmdname[256];
3610 char buf[1024];
3611 char *key;
3612
3613 #ifdef DEBUG
3614 monitor_printf(mon, "command='%s'\n", cmdline);
3615 #endif
3616
3617 /* extract the command name */
3618 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3619 if (!p)
3620 return NULL;
3621
3622 cmd = monitor_find_command(cmdname);
3623 if (!cmd) {
3624 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3625 return NULL;
3626 }
3627
3628 /* parse the parameters */
3629 typestr = cmd->args_type;
3630 for(;;) {
3631 typestr = key_get_info(typestr, &key);
3632 if (!typestr)
3633 break;
3634 c = *typestr;
3635 typestr++;
3636 switch(c) {
3637 case 'F':
3638 case 'B':
3639 case 's':
3640 {
3641 int ret;
3642
3643 while (qemu_isspace(*p))
3644 p++;
3645 if (*typestr == '?') {
3646 typestr++;
3647 if (*p == '\0') {
3648 /* no optional string: NULL argument */
3649 break;
3650 }
3651 }
3652 ret = get_str(buf, sizeof(buf), &p);
3653 if (ret < 0) {
3654 switch(c) {
3655 case 'F':
3656 monitor_printf(mon, "%s: filename expected\n",
3657 cmdname);
3658 break;
3659 case 'B':
3660 monitor_printf(mon, "%s: block device name expected\n",
3661 cmdname);
3662 break;
3663 default:
3664 monitor_printf(mon, "%s: string expected\n", cmdname);
3665 break;
3666 }
3667 goto fail;
3668 }
3669 qdict_put(qdict, key, qstring_from_str(buf));
3670 }
3671 break;
3672 case '/':
3673 {
3674 int count, format, size;
3675
3676 while (qemu_isspace(*p))
3677 p++;
3678 if (*p == '/') {
3679 /* format found */
3680 p++;
3681 count = 1;
3682 if (qemu_isdigit(*p)) {
3683 count = 0;
3684 while (qemu_isdigit(*p)) {
3685 count = count * 10 + (*p - '0');
3686 p++;
3687 }
3688 }
3689 size = -1;
3690 format = -1;
3691 for(;;) {
3692 switch(*p) {
3693 case 'o':
3694 case 'd':
3695 case 'u':
3696 case 'x':
3697 case 'i':
3698 case 'c':
3699 format = *p++;
3700 break;
3701 case 'b':
3702 size = 1;
3703 p++;
3704 break;
3705 case 'h':
3706 size = 2;
3707 p++;
3708 break;
3709 case 'w':
3710 size = 4;
3711 p++;
3712 break;
3713 case 'g':
3714 case 'L':
3715 size = 8;
3716 p++;
3717 break;
3718 default:
3719 goto next;
3720 }
3721 }
3722 next:
3723 if (*p != '\0' && !qemu_isspace(*p)) {
3724 monitor_printf(mon, "invalid char in format: '%c'\n",
3725 *p);
3726 goto fail;
3727 }
3728 if (format < 0)
3729 format = default_fmt_format;
3730 if (format != 'i') {
3731 /* for 'i', not specifying a size gives -1 as size */
3732 if (size < 0)
3733 size = default_fmt_size;
3734 default_fmt_size = size;
3735 }
3736 default_fmt_format = format;
3737 } else {
3738 count = 1;
3739 format = default_fmt_format;
3740 if (format != 'i') {
3741 size = default_fmt_size;
3742 } else {
3743 size = -1;
3744 }
3745 }
3746 qdict_put(qdict, "count", qint_from_int(count));
3747 qdict_put(qdict, "format", qint_from_int(format));
3748 qdict_put(qdict, "size", qint_from_int(size));
3749 }
3750 break;
3751 case 'i':
3752 case 'l':
3753 case 'M':
3754 {
3755 int64_t val;
3756
3757 while (qemu_isspace(*p))
3758 p++;
3759 if (*typestr == '?' || *typestr == '.') {
3760 if (*typestr == '?') {
3761 if (*p == '\0') {
3762 typestr++;
3763 break;
3764 }
3765 } else {
3766 if (*p == '.') {
3767 p++;
3768 while (qemu_isspace(*p))
3769 p++;
3770 } else {
3771 typestr++;
3772 break;
3773 }
3774 }
3775 typestr++;
3776 }
3777 if (get_expr(mon, &val, &p))
3778 goto fail;
3779 /* Check if 'i' is greater than 32-bit */
3780 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3781 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3782 monitor_printf(mon, "integer is for 32-bit values\n");
3783 goto fail;
3784 } else if (c == 'M') {
3785 val <<= 20;
3786 }
3787 qdict_put(qdict, key, qint_from_int(val));
3788 }
3789 break;
3790 case 'b':
3791 case 'T':
3792 {
3793 double val;
3794
3795 while (qemu_isspace(*p))
3796 p++;
3797 if (*typestr == '?') {
3798 typestr++;
3799 if (*p == '\0') {
3800 break;
3801 }
3802 }
3803 if (get_double(mon, &val, &p) < 0) {
3804 goto fail;
3805 }
3806 if (c == 'b' && *p) {
3807 switch (*p) {
3808 case 'K': case 'k':
3809 val *= 1 << 10; p++; break;
3810 case 'M': case 'm':
3811 val *= 1 << 20; p++; break;
3812 case 'G': case 'g':
3813 val *= 1 << 30; p++; break;
3814 }
3815 }
3816 if (c == 'T' && p[0] && p[1] == 's') {
3817 switch (*p) {
3818 case 'm':
3819 val /= 1e3; p += 2; break;
3820 case 'u':
3821 val /= 1e6; p += 2; break;
3822 case 'n':
3823 val /= 1e9; p += 2; break;
3824 }
3825 }
3826 if (*p && !qemu_isspace(*p)) {
3827 monitor_printf(mon, "Unknown unit suffix\n");
3828 goto fail;
3829 }
3830 qdict_put(qdict, key, qfloat_from_double(val));
3831 }
3832 break;
3833 case '-':
3834 {
3835 const char *tmp = p;
3836 int has_option, skip_key = 0;
3837 /* option */
3838
3839 c = *typestr++;
3840 if (c == '\0')
3841 goto bad_type;
3842 while (qemu_isspace(*p))
3843 p++;
3844 has_option = 0;
3845 if (*p == '-') {
3846 p++;
3847 if(c != *p) {
3848 if(!is_valid_option(p, typestr)) {
3849
3850 monitor_printf(mon, "%s: unsupported option -%c\n",
3851 cmdname, *p);
3852 goto fail;
3853 } else {
3854 skip_key = 1;
3855 }
3856 }
3857 if(skip_key) {
3858 p = tmp;
3859 } else {
3860 p++;
3861 has_option = 1;
3862 }
3863 }
3864 qdict_put(qdict, key, qint_from_int(has_option));
3865 }
3866 break;
3867 default:
3868 bad_type:
3869 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3870 goto fail;
3871 }
3872 qemu_free(key);
3873 key = NULL;
3874 }
3875 /* check that all arguments were parsed */
3876 while (qemu_isspace(*p))
3877 p++;
3878 if (*p != '\0') {
3879 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3880 cmdname);
3881 goto fail;
3882 }
3883
3884 return cmd;
3885
3886 fail:
3887 qemu_free(key);
3888 return NULL;
3889 }
3890
3891 static void monitor_print_error(Monitor *mon)
3892 {
3893 qerror_print(mon->error);
3894 QDECREF(mon->error);
3895 mon->error = NULL;
3896 }
3897
3898 static int is_async_return(const QObject *data)
3899 {
3900 if (data && qobject_type(data) == QTYPE_QDICT) {
3901 return qdict_haskey(qobject_to_qdict(data), "__mon_async");
3902 }
3903
3904 return 0;
3905 }
3906
3907 static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
3908 {
3909 if (ret && !monitor_has_error(mon)) {
3910 /*
3911 * If it returns failure, it must have passed on error.
3912 *
3913 * Action: Report an internal error to the client if in QMP.
3914 */
3915 if (monitor_ctrl_mode(mon)) {
3916 qemu_error_new(QERR_UNDEFINED_ERROR);
3917 }
3918 MON_DEBUG("command '%s' returned failure but did not pass an error\n",
3919 cmd->name);
3920 }
3921
3922 #ifdef CONFIG_DEBUG_MONITOR
3923 if (!ret && monitor_has_error(mon)) {
3924 /*
3925 * If it returns success, it must not have passed an error.
3926 *
3927 * Action: Report the passed error to the client.
3928 */
3929 MON_DEBUG("command '%s' returned success but passed an error\n",
3930 cmd->name);
3931 }
3932
3933 if (mon_print_count_get(mon) > 0 && strcmp(cmd->name, "info") != 0) {
3934 /*
3935 * Handlers should not call Monitor print functions.
3936 *
3937 * Action: Ignore them in QMP.
3938 *
3939 * (XXX: we don't check any 'info' or 'query' command here
3940 * because the user print function _is_ called by do_info(), hence
3941 * we will trigger this check. This problem will go away when we
3942 * make 'query' commands real and kill do_info())
3943 */
3944 MON_DEBUG("command '%s' called print functions %d time(s)\n",
3945 cmd->name, mon_print_count_get(mon));
3946 }
3947 #endif
3948 }
3949
3950 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3951 const QDict *params)
3952 {
3953 int ret;
3954 QObject *data = NULL;
3955
3956 mon_print_count_init(mon);
3957
3958 ret = cmd->mhandler.cmd_new(mon, params, &data);
3959 handler_audit(mon, cmd, ret);
3960
3961 if (is_async_return(data)) {
3962 /*
3963 * Asynchronous commands have no initial return data but they can
3964 * generate errors. Data is returned via the async completion handler.
3965 */
3966 if (monitor_ctrl_mode(mon) && monitor_has_error(mon)) {
3967 monitor_protocol_emitter(mon, NULL);
3968 }
3969 } else if (monitor_ctrl_mode(mon)) {
3970 /* Monitor Protocol */
3971 monitor_protocol_emitter(mon, data);
3972 } else {
3973 /* User Protocol */
3974 if (data)
3975 cmd->user_print(mon, data);
3976 }
3977
3978 qobject_decref(data);
3979 }
3980
3981 static void handle_user_command(Monitor *mon, const char *cmdline)
3982 {
3983 QDict *qdict;
3984 const mon_cmd_t *cmd;
3985
3986 qdict = qdict_new();
3987
3988 cmd = monitor_parse_command(mon, cmdline, qdict);
3989 if (!cmd)
3990 goto out;
3991
3992 qemu_errors_to_mon(mon);
3993
3994 if (monitor_handler_is_async(cmd)) {
3995 user_async_cmd_handler(mon, cmd, qdict);
3996 } else if (monitor_handler_ported(cmd)) {
3997 monitor_call_handler(mon, cmd, qdict);
3998 } else {
3999 cmd->mhandler.cmd(mon, qdict);
4000 }
4001
4002 if (monitor_has_error(mon))
4003 monitor_print_error(mon);
4004
4005 qemu_errors_to_previous();
4006
4007 out:
4008 QDECREF(qdict);
4009 }
4010
4011 static void cmd_completion(const char *name, const char *list)
4012 {
4013 const char *p, *pstart;
4014 char cmd[128];
4015 int len;
4016
4017 p = list;
4018 for(;;) {
4019 pstart = p;
4020 p = strchr(p, '|');
4021 if (!p)
4022 p = pstart + strlen(pstart);
4023 len = p - pstart;
4024 if (len > sizeof(cmd) - 2)
4025 len = sizeof(cmd) - 2;
4026 memcpy(cmd, pstart, len);
4027 cmd[len] = '\0';
4028 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
4029 readline_add_completion(cur_mon->rs, cmd);
4030 }
4031 if (*p == '\0')
4032 break;
4033 p++;
4034 }
4035 }
4036
4037 static void file_completion(const char *input)
4038 {
4039 DIR *ffs;
4040 struct dirent *d;
4041 char path[1024];
4042 char file[1024], file_prefix[1024];
4043 int input_path_len;
4044 const char *p;
4045
4046 p = strrchr(input, '/');
4047 if (!p) {
4048 input_path_len = 0;
4049 pstrcpy(file_prefix, sizeof(file_prefix), input);
4050 pstrcpy(path, sizeof(path), ".");
4051 } else {
4052 input_path_len = p - input + 1;
4053 memcpy(path, input, input_path_len);
4054 if (input_path_len > sizeof(path) - 1)
4055 input_path_len = sizeof(path) - 1;
4056 path[input_path_len] = '\0';
4057 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
4058 }
4059 #ifdef DEBUG_COMPLETION
4060 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
4061 input, path, file_prefix);
4062 #endif
4063 ffs = opendir(path);
4064 if (!ffs)
4065 return;
4066 for(;;) {
4067 struct stat sb;
4068 d = readdir(ffs);
4069 if (!d)
4070 break;
4071 if (strstart(d->d_name, file_prefix, NULL)) {
4072 memcpy(file, input, input_path_len);
4073 if (input_path_len < sizeof(file))
4074 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
4075 d->d_name);
4076 /* stat the file to find out if it's a directory.
4077 * In that case add a slash to speed up typing long paths
4078 */
4079 stat(file, &sb);
4080 if(S_ISDIR(sb.st_mode))
4081 pstrcat(file, sizeof(file), "/");
4082 readline_add_completion(cur_mon->rs, file);
4083 }
4084 }
4085 closedir(ffs);
4086 }
4087
4088 static void block_completion_it(void *opaque, BlockDriverState *bs)
4089 {
4090 const char *name = bdrv_get_device_name(bs);
4091 const char *input = opaque;
4092
4093 if (input[0] == '\0' ||
4094 !strncmp(name, (char *)input, strlen(input))) {
4095 readline_add_completion(cur_mon->rs, name);
4096 }
4097 }
4098
4099 /* NOTE: this parser is an approximate form of the real command parser */
4100 static void parse_cmdline(const char *cmdline,
4101 int *pnb_args, char **args)
4102 {
4103 const char *p;
4104 int nb_args, ret;
4105 char buf[1024];
4106
4107 p = cmdline;
4108 nb_args = 0;
4109 for(;;) {
4110 while (qemu_isspace(*p))
4111 p++;
4112 if (*p == '\0')
4113 break;
4114 if (nb_args >= MAX_ARGS)
4115 break;
4116 ret = get_str(buf, sizeof(buf), &p);
4117 args[nb_args] = qemu_strdup(buf);
4118 nb_args++;
4119 if (ret < 0)
4120 break;
4121 }
4122 *pnb_args = nb_args;
4123 }
4124
4125 static const char *next_arg_type(const char *typestr)
4126 {
4127 const char *p = strchr(typestr, ':');
4128 return (p != NULL ? ++p : typestr);
4129 }
4130
4131 static void monitor_find_completion(const char *cmdline)
4132 {
4133 const char *cmdname;
4134 char *args[MAX_ARGS];
4135 int nb_args, i, len;
4136 const char *ptype, *str;
4137 const mon_cmd_t *cmd;
4138 const KeyDef *key;
4139
4140 parse_cmdline(cmdline, &nb_args, args);
4141 #ifdef DEBUG_COMPLETION
4142 for(i = 0; i < nb_args; i++) {
4143 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
4144 }
4145 #endif
4146
4147 /* if the line ends with a space, it means we want to complete the
4148 next arg */
4149 len = strlen(cmdline);
4150 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
4151 if (nb_args >= MAX_ARGS)
4152 return;
4153 args[nb_args++] = qemu_strdup("");
4154 }
4155 if (nb_args <= 1) {
4156 /* command completion */
4157 if (nb_args == 0)
4158 cmdname = "";
4159 else
4160 cmdname = args[0];
4161 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
4162 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
4163 cmd_completion(cmdname, cmd->name);
4164 }
4165 } else {
4166 /* find the command */
4167 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
4168 if (compare_cmd(args[0], cmd->name))
4169 goto found;
4170 }
4171 return;
4172 found:
4173 ptype = next_arg_type(cmd->args_type);
4174 for(i = 0; i < nb_args - 2; i++) {
4175 if (*ptype != '\0') {
4176 ptype = next_arg_type(ptype);
4177 while (*ptype == '?')
4178 ptype = next_arg_type(ptype);
4179 }
4180 }
4181 str = args[nb_args - 1];
4182 if (*ptype == '-' && ptype[1] != '\0') {
4183 ptype += 2;
4184 }
4185 switch(*ptype) {
4186 case 'F':
4187 /* file completion */
4188 readline_set_completion_index(cur_mon->rs, strlen(str));
4189 file_completion(str);
4190 break;
4191 case 'B':
4192 /* block device name completion */
4193 readline_set_completion_index(cur_mon->rs, strlen(str));
4194 bdrv_iterate(block_completion_it, (void *)str);
4195 break;
4196 case 's':
4197 /* XXX: more generic ? */
4198 if (!strcmp(cmd->name, "info")) {
4199 readline_set_completion_index(cur_mon->rs, strlen(str));
4200 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
4201 cmd_completion(str, cmd->name);
4202 }
4203 } else if (!strcmp(cmd->name, "sendkey")) {
4204 char *sep = strrchr(str, '-');
4205 if (sep)
4206 str = sep + 1;
4207 readline_set_completion_index(cur_mon->rs, strlen(str));
4208 for(key = key_defs; key->name != NULL; key++) {
4209 cmd_completion(str, key->name);
4210 }
4211 } else if (!strcmp(cmd->name, "help|?")) {
4212 readline_set_completion_index(cur_mon->rs, strlen(str));
4213 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
4214 cmd_completion(str, cmd->name);
4215 }
4216 }
4217 break;
4218 default:
4219 break;
4220 }
4221 }
4222 for(i = 0; i < nb_args; i++)
4223 qemu_free(args[i]);
4224 }
4225
4226 static int monitor_can_read(void *opaque)
4227 {
4228 Monitor *mon = opaque;
4229
4230 return (mon->suspend_cnt == 0) ? 1 : 0;
4231 }
4232
4233 typedef struct CmdArgs {
4234 QString *name;
4235 int type;
4236 int flag;
4237 int optional;
4238 } CmdArgs;
4239
4240 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
4241 {
4242 if (!cmd_args->optional) {
4243 qemu_error_new(QERR_MISSING_PARAMETER, name);
4244 return -1;
4245 }
4246
4247 if (cmd_args->type == '-') {
4248 /* handlers expect a value, they need to be changed */
4249 qdict_put(args, name, qint_from_int(0));
4250 }
4251
4252 return 0;
4253 }
4254
4255 static int check_arg(const CmdArgs *cmd_args, QDict *args)
4256 {
4257 QObject *value;
4258 const char *name;
4259
4260 name = qstring_get_str(cmd_args->name);
4261
4262 if (!args) {
4263 return check_opt(cmd_args, name, args);
4264 }
4265
4266 value = qdict_get(args, name);
4267 if (!value) {
4268 return check_opt(cmd_args, name, args);
4269 }
4270
4271 switch (cmd_args->type) {
4272 case 'F':
4273 case 'B':
4274 case 's':
4275 if (qobject_type(value) != QTYPE_QSTRING) {
4276 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
4277 return -1;
4278 }
4279 break;
4280 case '/': {
4281 int i;
4282 const char *keys[] = { "count", "format", "size", NULL };
4283
4284 for (i = 0; keys[i]; i++) {
4285 QObject *obj = qdict_get(args, keys[i]);
4286 if (!obj) {
4287 qemu_error_new(QERR_MISSING_PARAMETER, name);
4288 return -1;
4289 }
4290 if (qobject_type(obj) != QTYPE_QINT) {
4291 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
4292 return -1;
4293 }
4294 }
4295 break;
4296 }
4297 case 'i':
4298 case 'l':
4299 case 'M':
4300 if (qobject_type(value) != QTYPE_QINT) {
4301 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
4302 return -1;
4303 }
4304 break;
4305 case 'b':
4306 case 'T':
4307 if (qobject_type(value) != QTYPE_QINT && qobject_type(value) != QTYPE_QFLOAT) {
4308 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "number");
4309 return -1;
4310 }
4311 break;
4312 case '-':
4313 if (qobject_type(value) != QTYPE_QINT &&
4314 qobject_type(value) != QTYPE_QBOOL) {
4315 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
4316 return -1;
4317 }
4318 if (qobject_type(value) == QTYPE_QBOOL) {
4319 /* handlers expect a QInt, they need to be changed */
4320 qdict_put(args, name,
4321 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
4322 }
4323 break;
4324 default:
4325 /* impossible */
4326 abort();
4327 }
4328
4329 return 0;
4330 }
4331
4332 static void cmd_args_init(CmdArgs *cmd_args)
4333 {
4334 cmd_args->name = qstring_new();
4335 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
4336 }
4337
4338 /*
4339 * This is not trivial, we have to parse Monitor command's argument
4340 * type syntax to be able to check the arguments provided by clients.
4341 *
4342 * In the near future we will be using an array for that and will be
4343 * able to drop all this parsing...
4344 */
4345 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
4346 {
4347 int err;
4348 const char *p;
4349 CmdArgs cmd_args;
4350
4351 if (cmd->args_type == NULL) {
4352 return (qdict_size(args) == 0 ? 0 : -1);
4353 }
4354
4355 err = 0;
4356 cmd_args_init(&cmd_args);
4357
4358 for (p = cmd->args_type;; p++) {
4359 if (*p == ':') {
4360 cmd_args.type = *++p;
4361 p++;
4362 if (cmd_args.type == '-') {
4363 cmd_args.flag = *p++;
4364 cmd_args.optional = 1;
4365 } else if (*p == '?') {
4366 cmd_args.optional = 1;
4367 p++;
4368 }
4369
4370 assert(*p == ',' || *p == '\0');
4371 err = check_arg(&cmd_args, args);
4372
4373 QDECREF(cmd_args.name);
4374 cmd_args_init(&cmd_args);
4375
4376 if (err < 0) {
4377 break;
4378 }
4379 } else {
4380 qstring_append_chr(cmd_args.name, *p);
4381 }
4382
4383 if (*p == '\0') {
4384 break;
4385 }
4386 }
4387
4388 QDECREF(cmd_args.name);
4389 return err;
4390 }
4391
4392 static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
4393 {
4394 int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
4395 return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
4396 }
4397
4398 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4399 {
4400 int err;
4401 QObject *obj;
4402 QDict *input, *args;
4403 const mon_cmd_t *cmd;
4404 Monitor *mon = cur_mon;
4405 const char *cmd_name, *info_item;
4406
4407 args = NULL;
4408 qemu_errors_to_mon(mon);
4409
4410 obj = json_parser_parse(tokens, NULL);
4411 if (!obj) {
4412 // FIXME: should be triggered in json_parser_parse()
4413 qemu_error_new(QERR_JSON_PARSING);
4414 goto err_out;
4415 } else if (qobject_type(obj) != QTYPE_QDICT) {
4416 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4417 qobject_decref(obj);
4418 goto err_out;
4419 }
4420
4421 input = qobject_to_qdict(obj);
4422
4423 mon->mc->id = qdict_get(input, "id");
4424 qobject_incref(mon->mc->id);
4425
4426 obj = qdict_get(input, "execute");
4427 if (!obj) {
4428 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4429 goto err_input;
4430 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4431 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4432 goto err_input;
4433 }
4434
4435 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4436
4437 if (invalid_qmp_mode(mon, cmd_name)) {
4438 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4439 goto err_input;
4440 }
4441
4442 /*
4443 * XXX: We need this special case until we get info handlers
4444 * converted into 'query-' commands
4445 */
4446 if (compare_cmd(cmd_name, "info")) {
4447 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4448 goto err_input;
4449 } else if (strstart(cmd_name, "query-", &info_item)) {
4450 cmd = monitor_find_command("info");
4451 qdict_put_obj(input, "arguments",
4452 qobject_from_jsonf("{ 'item': %s }", info_item));
4453 } else {
4454 cmd = monitor_find_command(cmd_name);
4455 if (!cmd || !monitor_handler_ported(cmd)) {
4456 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4457 goto err_input;
4458 }
4459 }
4460
4461 obj = qdict_get(input, "arguments");
4462 if (!obj) {
4463 args = qdict_new();
4464 } else {
4465 args = qobject_to_qdict(obj);
4466 QINCREF(args);
4467 }
4468
4469 QDECREF(input);
4470
4471 err = monitor_check_qmp_args(cmd, args);
4472 if (err < 0) {
4473 goto err_out;
4474 }
4475
4476 if (monitor_handler_is_async(cmd)) {
4477 qmp_async_cmd_handler(mon, cmd, args);
4478 } else {
4479 monitor_call_handler(mon, cmd, args);
4480 }
4481 goto out;
4482
4483 err_input:
4484 QDECREF(input);
4485 err_out:
4486 monitor_protocol_emitter(mon, NULL);
4487 out:
4488 QDECREF(args);
4489 qemu_errors_to_previous();
4490 }
4491
4492 /**
4493 * monitor_control_read(): Read and handle QMP input
4494 */
4495 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4496 {
4497 Monitor *old_mon = cur_mon;
4498
4499 cur_mon = opaque;
4500
4501 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4502
4503 cur_mon = old_mon;
4504 }
4505
4506 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4507 {
4508 Monitor *old_mon = cur_mon;
4509 int i;
4510
4511 cur_mon = opaque;
4512
4513 if (cur_mon->rs) {
4514 for (i = 0; i < size; i++)
4515 readline_handle_byte(cur_mon->rs, buf[i]);
4516 } else {
4517 if (size == 0 || buf[size - 1] != 0)
4518 monitor_printf(cur_mon, "corrupted command\n");
4519 else
4520 handle_user_command(cur_mon, (char *)buf);
4521 }
4522
4523 cur_mon = old_mon;
4524 }
4525
4526 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4527 {
4528 monitor_suspend(mon);
4529 handle_user_command(mon, cmdline);
4530 monitor_resume(mon);
4531 }
4532
4533 int monitor_suspend(Monitor *mon)
4534 {
4535 if (!mon->rs)
4536 return -ENOTTY;
4537 mon->suspend_cnt++;
4538 return 0;
4539 }
4540
4541 void monitor_resume(Monitor *mon)
4542 {
4543 if (!mon->rs)
4544 return;
4545 if (--mon->suspend_cnt == 0)
4546 readline_show_prompt(mon->rs);
4547 }
4548
4549 static QObject *get_qmp_greeting(void)
4550 {
4551 QObject *ver;
4552
4553 do_info_version(NULL, &ver);
4554 return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
4555 }
4556
4557 /**
4558 * monitor_control_event(): Print QMP gretting
4559 */
4560 static void monitor_control_event(void *opaque, int event)
4561 {
4562 QObject *data;
4563 Monitor *mon = opaque;
4564
4565 switch (event) {
4566 case CHR_EVENT_OPENED:
4567 mon->mc->command_mode = 0;
4568 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4569 data = get_qmp_greeting();
4570 monitor_json_emitter(mon, data);
4571 qobject_decref(data);
4572 break;
4573 case CHR_EVENT_CLOSED:
4574 json_message_parser_destroy(&mon->mc->parser);
4575 break;
4576 }
4577 }
4578
4579 static void monitor_event(void *opaque, int event)
4580 {
4581 Monitor *mon = opaque;
4582
4583 switch (event) {
4584 case CHR_EVENT_MUX_IN:
4585 mon->mux_out = 0;
4586 if (mon->reset_seen) {
4587 readline_restart(mon->rs);
4588 monitor_resume(mon);
4589 monitor_flush(mon);
4590 } else {
4591 mon->suspend_cnt = 0;
4592 }
4593 break;
4594
4595 case CHR_EVENT_MUX_OUT:
4596 if (mon->reset_seen) {
4597 if (mon->suspend_cnt == 0) {
4598 monitor_printf(mon, "\n");
4599 }
4600 monitor_flush(mon);
4601 monitor_suspend(mon);
4602 } else {
4603 mon->suspend_cnt++;
4604 }
4605 mon->mux_out = 1;
4606 break;
4607
4608 case CHR_EVENT_OPENED:
4609 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4610 "information\n", QEMU_VERSION);
4611 if (!mon->mux_out) {
4612 readline_show_prompt(mon->rs);
4613 }
4614 mon->reset_seen = 1;
4615 break;
4616 }
4617 }
4618
4619
4620 /*
4621 * Local variables:
4622 * c-indent-level: 4
4623 * c-basic-offset: 4
4624 * tab-width: 8
4625 * End:
4626 */
4627
4628 void monitor_init(CharDriverState *chr, int flags)
4629 {
4630 static int is_first_init = 1;
4631 Monitor *mon;
4632
4633 if (is_first_init) {
4634 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4635 is_first_init = 0;
4636 }
4637
4638 mon = qemu_mallocz(sizeof(*mon));
4639
4640 mon->chr = chr;
4641 mon->flags = flags;
4642 if (flags & MONITOR_USE_READLINE) {
4643 mon->rs = readline_init(mon, monitor_find_completion);
4644 monitor_read_command(mon, 0);
4645 }
4646
4647 if (monitor_ctrl_mode(mon)) {
4648 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4649 /* Control mode requires special handlers */
4650 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4651 monitor_control_event, mon);
4652 } else {
4653 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4654 monitor_event, mon);
4655 }
4656
4657 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4658 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4659 cur_mon = mon;
4660 }
4661
4662 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4663 {
4664 BlockDriverState *bs = opaque;
4665 int ret = 0;
4666
4667 if (bdrv_set_key(bs, password) != 0) {
4668 monitor_printf(mon, "invalid password\n");
4669 ret = -EPERM;
4670 }
4671 if (mon->password_completion_cb)
4672 mon->password_completion_cb(mon->password_opaque, ret);
4673
4674 monitor_read_command(mon, 1);
4675 }
4676
4677 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4678 BlockDriverCompletionFunc *completion_cb,
4679 void *opaque)
4680 {
4681 int err;
4682
4683 if (!bdrv_key_required(bs)) {
4684 if (completion_cb)
4685 completion_cb(opaque, 0);
4686 return 0;
4687 }
4688
4689 if (monitor_ctrl_mode(mon)) {
4690 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4691 return -1;
4692 }
4693
4694 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4695 bdrv_get_encrypted_filename(bs));
4696
4697 mon->password_completion_cb = completion_cb;
4698 mon->password_opaque = opaque;
4699
4700 err = monitor_read_password(mon, bdrv_password_cb, bs);
4701
4702 if (err && completion_cb)
4703 completion_cb(opaque, err);
4704
4705 return err;
4706 }
4707
4708 typedef struct QemuErrorSink QemuErrorSink;
4709 struct QemuErrorSink {
4710 enum {
4711 ERR_SINK_FILE,
4712 ERR_SINK_MONITOR,
4713 } dest;
4714 union {
4715 FILE *fp;
4716 Monitor *mon;
4717 };
4718 QemuErrorSink *previous;
4719 };
4720
4721 static QemuErrorSink *qemu_error_sink;
4722
4723 void qemu_errors_to_file(FILE *fp)
4724 {
4725 QemuErrorSink *sink;
4726
4727 sink = qemu_mallocz(sizeof(*sink));
4728 sink->dest = ERR_SINK_FILE;
4729 sink->fp = fp;
4730 sink->previous = qemu_error_sink;
4731 qemu_error_sink = sink;
4732 }
4733
4734 void qemu_errors_to_mon(Monitor *mon)
4735 {
4736 QemuErrorSink *sink;
4737
4738 sink = qemu_mallocz(sizeof(*sink));
4739 sink->dest = ERR_SINK_MONITOR;
4740 sink->mon = mon;
4741 sink->previous = qemu_error_sink;
4742 qemu_error_sink = sink;
4743 }
4744
4745 void qemu_errors_to_previous(void)
4746 {
4747 QemuErrorSink *sink;
4748
4749 assert(qemu_error_sink != NULL);
4750 sink = qemu_error_sink;
4751 qemu_error_sink = sink->previous;
4752 qemu_free(sink);
4753 }
4754
4755 void qemu_error(const char *fmt, ...)
4756 {
4757 va_list args;
4758
4759 assert(qemu_error_sink != NULL);
4760 switch (qemu_error_sink->dest) {
4761 case ERR_SINK_FILE:
4762 va_start(args, fmt);
4763 vfprintf(qemu_error_sink->fp, fmt, args);
4764 va_end(args);
4765 break;
4766 case ERR_SINK_MONITOR:
4767 va_start(args, fmt);
4768 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4769 va_end(args);
4770 break;
4771 }
4772 }
4773
4774 void qemu_error_internal(const char *file, int linenr, const char *func,
4775 const char *fmt, ...)
4776 {
4777 va_list va;
4778 QError *qerror;
4779
4780 assert(qemu_error_sink != NULL);
4781
4782 va_start(va, fmt);
4783 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4784 va_end(va);
4785
4786 switch (qemu_error_sink->dest) {
4787 case ERR_SINK_FILE:
4788 qerror_print(qerror);
4789 QDECREF(qerror);
4790 break;
4791 case ERR_SINK_MONITOR:
4792 /* report only the first error */
4793 if (!qemu_error_sink->mon->error) {
4794 qemu_error_sink->mon->error = qerror;
4795 } else {
4796 MON_DEBUG("Additional error report at %s:%d\n", qerror->file,
4797 qerror->linenr);
4798 QDECREF(qerror);
4799 }
4800 break;
4801 }
4802 }
AMD IOMMU emulation for KVM