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block: Return original error codes in bdrv_pread/write
[qemu.git] / monitor.c
blobae3300b8c4f13df5bcc95199aa6aca9e8d49966c
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58 #include "osdep.h"
59
60 //#define DEBUG
61 //#define DEBUG_COMPLETION
62
63 /*
64 * Supported types:
65 *
66 * 'F' filename
67 * 'B' block device name
68 * 's' string (accept optional quote)
69 * 'i' 32 bit integer
70 * 'l' target long (32 or 64 bit)
71 * '/' optional gdb-like print format (like "/10x")
72 *
73 * '?' optional type (for all types, except '/')
74 * '.' other form of optional type (for 'i' and 'l')
75 * '-' optional parameter (eg. '-f')
76 *
77 */
78
79 typedef struct mon_cmd_t {
80 const char *name;
81 const char *args_type;
82 const char *params;
83 const char *help;
84 void (*user_print)(Monitor *mon, const QObject *data);
85 union {
86 void (*info)(Monitor *mon);
87 void (*info_new)(Monitor *mon, QObject **ret_data);
88 void (*cmd)(Monitor *mon, const QDict *qdict);
89 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90 } mhandler;
91 } mon_cmd_t;
92
93 /* file descriptors passed via SCM_RIGHTS */
94 typedef struct mon_fd_t mon_fd_t;
95 struct mon_fd_t {
96 char *name;
97 int fd;
98 QLIST_ENTRY(mon_fd_t) next;
99 };
100
101 typedef struct MonitorControl {
102 QObject *id;
103 int print_enabled;
104 JSONMessageParser parser;
105 } MonitorControl;
106
107 struct Monitor {
108 CharDriverState *chr;
109 int mux_out;
110 int reset_seen;
111 int flags;
112 int suspend_cnt;
113 uint8_t outbuf[1024];
114 int outbuf_index;
115 ReadLineState *rs;
116 MonitorControl *mc;
117 CPUState *mon_cpu;
118 BlockDriverCompletionFunc *password_completion_cb;
119 void *password_opaque;
120 QError *error;
121 QLIST_HEAD(,mon_fd_t) fds;
122 QLIST_ENTRY(Monitor) entry;
123 };
124
125 static QLIST_HEAD(mon_list, Monitor) mon_list;
126
127 static const mon_cmd_t mon_cmds[];
128 static const mon_cmd_t info_cmds[];
129
130 Monitor *cur_mon = NULL;
131
132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
133 void *opaque);
134
135 /* Return true if in control mode, false otherwise */
136 static inline int monitor_ctrl_mode(const Monitor *mon)
137 {
138 return (mon->flags & MONITOR_USE_CONTROL);
139 }
140
141 static void monitor_read_command(Monitor *mon, int show_prompt)
142 {
143 if (!mon->rs)
144 return;
145
146 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
147 if (show_prompt)
148 readline_show_prompt(mon->rs);
149 }
150
151 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
152 void *opaque)
153 {
154 if (monitor_ctrl_mode(mon)) {
155 qemu_error_new(QERR_MISSING_PARAMETER, "password");
156 return -EINVAL;
157 } else if (mon->rs) {
158 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
159 /* prompt is printed on return from the command handler */
160 return 0;
161 } else {
162 monitor_printf(mon, "terminal does not support password prompting\n");
163 return -ENOTTY;
164 }
165 }
166
167 void monitor_flush(Monitor *mon)
168 {
169 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
170 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
171 mon->outbuf_index = 0;
172 }
173 }
174
175 /* flush at every end of line or if the buffer is full */
176 static void monitor_puts(Monitor *mon, const char *str)
177 {
178 char c;
179
180 for(;;) {
181 c = *str++;
182 if (c == '\0')
183 break;
184 if (c == '\n')
185 mon->outbuf[mon->outbuf_index++] = '\r';
186 mon->outbuf[mon->outbuf_index++] = c;
187 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
188 || c == '\n')
189 monitor_flush(mon);
190 }
191 }
192
193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
194 {
195 if (!mon)
196 return;
197
198 if (mon->mc && !mon->mc->print_enabled) {
199 qemu_error_new(QERR_UNDEFINED_ERROR);
200 } else {
201 char buf[4096];
202 vsnprintf(buf, sizeof(buf), fmt, ap);
203 monitor_puts(mon, buf);
204 }
205 }
206
207 void monitor_printf(Monitor *mon, const char *fmt, ...)
208 {
209 va_list ap;
210 va_start(ap, fmt);
211 monitor_vprintf(mon, fmt, ap);
212 va_end(ap);
213 }
214
215 void monitor_print_filename(Monitor *mon, const char *filename)
216 {
217 int i;
218
219 for (i = 0; filename[i]; i++) {
220 switch (filename[i]) {
221 case ' ':
222 case '"':
223 case '\\':
224 monitor_printf(mon, "\\%c", filename[i]);
225 break;
226 case '\t':
227 monitor_printf(mon, "\\t");
228 break;
229 case '\r':
230 monitor_printf(mon, "\\r");
231 break;
232 case '\n':
233 monitor_printf(mon, "\\n");
234 break;
235 default:
236 monitor_printf(mon, "%c", filename[i]);
237 break;
238 }
239 }
240 }
241
242 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
243 {
244 va_list ap;
245 va_start(ap, fmt);
246 monitor_vprintf((Monitor *)stream, fmt, ap);
247 va_end(ap);
248 return 0;
249 }
250
251 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
252
253 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
254 {
255 return cmd->user_print != NULL;
256 }
257
258 static inline int monitor_has_error(const Monitor *mon)
259 {
260 return mon->error != NULL;
261 }
262
263 static void monitor_json_emitter(Monitor *mon, const QObject *data)
264 {
265 QString *json;
266
267 json = qobject_to_json(data);
268 assert(json != NULL);
269
270 mon->mc->print_enabled = 1;
271 monitor_printf(mon, "%s\n", qstring_get_str(json));
272 mon->mc->print_enabled = 0;
273
274 QDECREF(json);
275 }
276
277 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
278 {
279 QDict *qmp;
280
281 qmp = qdict_new();
282
283 if (!monitor_has_error(mon)) {
284 /* success response */
285 if (data) {
286 qobject_incref(data);
287 qdict_put_obj(qmp, "return", data);
288 } else {
289 /* return an empty QDict by default */
290 qdict_put(qmp, "return", qdict_new());
291 }
292 } else {
293 /* error response */
294 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
295 qdict_put(qmp, "error", mon->error->error);
296 QINCREF(mon->error->error);
297 QDECREF(mon->error);
298 mon->error = NULL;
299 }
300
301 if (mon->mc->id) {
302 qdict_put_obj(qmp, "id", mon->mc->id);
303 mon->mc->id = NULL;
304 }
305
306 monitor_json_emitter(mon, QOBJECT(qmp));
307 QDECREF(qmp);
308 }
309
310 static void timestamp_put(QDict *qdict)
311 {
312 int err;
313 QObject *obj;
314 qemu_timeval tv;
315
316 err = qemu_gettimeofday(&tv);
317 if (err < 0)
318 return;
319
320 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
321 "'microseconds': %" PRId64 " }",
322 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
323 assert(obj != NULL);
324
325 qdict_put_obj(qdict, "timestamp", obj);
326 }
327
328 /**
329 * monitor_protocol_event(): Generate a Monitor event
330 *
331 * Event-specific data can be emitted through the (optional) 'data' parameter.
332 */
333 void monitor_protocol_event(MonitorEvent event, QObject *data)
334 {
335 QDict *qmp;
336 const char *event_name;
337 Monitor *mon;
338
339 assert(event < QEVENT_MAX);
340
341 switch (event) {
342 case QEVENT_DEBUG:
343 event_name = "DEBUG";
344 break;
345 case QEVENT_SHUTDOWN:
346 event_name = "SHUTDOWN";
347 break;
348 case QEVENT_RESET:
349 event_name = "RESET";
350 break;
351 case QEVENT_POWERDOWN:
352 event_name = "POWERDOWN";
353 break;
354 case QEVENT_STOP:
355 event_name = "STOP";
356 break;
357 case QEVENT_VNC_CONNECTED:
358 event_name = "VNC_CONNECTED";
359 break;
360 case QEVENT_VNC_INITIALIZED:
361 event_name = "VNC_INITIALIZED";
362 break;
363 case QEVENT_VNC_DISCONNECTED:
364 event_name = "VNC_DISCONNECTED";
365 break;
366 default:
367 abort();
368 break;
369 }
370
371 qmp = qdict_new();
372 timestamp_put(qmp);
373 qdict_put(qmp, "event", qstring_from_str(event_name));
374 if (data) {
375 qobject_incref(data);
376 qdict_put_obj(qmp, "data", data);
377 }
378
379 QLIST_FOREACH(mon, &mon_list, entry) {
380 if (monitor_ctrl_mode(mon)) {
381 monitor_json_emitter(mon, QOBJECT(qmp));
382 }
383 }
384 QDECREF(qmp);
385 }
386
387 static int compare_cmd(const char *name, const char *list)
388 {
389 const char *p, *pstart;
390 int len;
391 len = strlen(name);
392 p = list;
393 for(;;) {
394 pstart = p;
395 p = strchr(p, '|');
396 if (!p)
397 p = pstart + strlen(pstart);
398 if ((p - pstart) == len && !memcmp(pstart, name, len))
399 return 1;
400 if (*p == '\0')
401 break;
402 p++;
403 }
404 return 0;
405 }
406
407 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
408 const char *prefix, const char *name)
409 {
410 const mon_cmd_t *cmd;
411
412 for(cmd = cmds; cmd->name != NULL; cmd++) {
413 if (!name || !strcmp(name, cmd->name))
414 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
415 cmd->params, cmd->help);
416 }
417 }
418
419 static void help_cmd(Monitor *mon, const char *name)
420 {
421 if (name && !strcmp(name, "info")) {
422 help_cmd_dump(mon, info_cmds, "info ", NULL);
423 } else {
424 help_cmd_dump(mon, mon_cmds, "", name);
425 if (name && !strcmp(name, "log")) {
426 const CPULogItem *item;
427 monitor_printf(mon, "Log items (comma separated):\n");
428 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
429 for(item = cpu_log_items; item->mask != 0; item++) {
430 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
431 }
432 }
433 }
434 }
435
436 static void do_help_cmd(Monitor *mon, const QDict *qdict)
437 {
438 help_cmd(mon, qdict_get_try_str(qdict, "name"));
439 }
440
441 static void do_commit(Monitor *mon, const QDict *qdict)
442 {
443 int all_devices;
444 DriveInfo *dinfo;
445 const char *device = qdict_get_str(qdict, "device");
446
447 all_devices = !strcmp(device, "all");
448 QTAILQ_FOREACH(dinfo, &drives, next) {
449 if (!all_devices)
450 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
451 continue;
452 bdrv_commit(dinfo->bdrv);
453 }
454 }
455
456 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
457 {
458 const mon_cmd_t *cmd;
459 const char *item = qdict_get_try_str(qdict, "item");
460
461 if (!item) {
462 assert(monitor_ctrl_mode(mon) == 0);
463 goto help;
464 }
465
466 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
467 if (compare_cmd(item, cmd->name))
468 break;
469 }
470
471 if (cmd->name == NULL) {
472 if (monitor_ctrl_mode(mon)) {
473 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
474 return;
475 }
476 goto help;
477 }
478
479 if (monitor_handler_ported(cmd)) {
480 cmd->mhandler.info_new(mon, ret_data);
481
482 if (!monitor_ctrl_mode(mon)) {
483 /*
484 * User Protocol function is called here, Monitor Protocol is
485 * handled by monitor_call_handler()
486 */
487 if (*ret_data)
488 cmd->user_print(mon, *ret_data);
489 }
490 } else {
491 if (monitor_ctrl_mode(mon)) {
492 /* handler not converted yet */
493 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
494 } else {
495 cmd->mhandler.info(mon);
496 }
497 }
498
499 return;
500
501 help:
502 help_cmd(mon, "info");
503 }
504
505 static void do_info_version_print(Monitor *mon, const QObject *data)
506 {
507 QDict *qdict;
508
509 qdict = qobject_to_qdict(data);
510
511 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
512 qdict_get_str(qdict, "package"));
513 }
514
515 /**
516 * do_info_version(): Show QEMU version
517 *
518 * Return a QDict with the following information:
519 *
520 * - "qemu": QEMU's version
521 * - "package": package's version
522 *
523 * Example:
524 *
525 * { "qemu": "0.11.50", "package": "" }
526 */
527 static void do_info_version(Monitor *mon, QObject **ret_data)
528 {
529 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
530 QEMU_VERSION, QEMU_PKGVERSION);
531 }
532
533 static void do_info_name_print(Monitor *mon, const QObject *data)
534 {
535 QDict *qdict;
536
537 qdict = qobject_to_qdict(data);
538 if (qdict_size(qdict) == 0) {
539 return;
540 }
541
542 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
543 }
544
545 /**
546 * do_info_name(): Show VM name
547 *
548 * Return a QDict with the following information:
549 *
550 * - "name": VM's name (optional)
551 *
552 * Example:
553 *
554 * { "name": "qemu-name" }
555 */
556 static void do_info_name(Monitor *mon, QObject **ret_data)
557 {
558 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
559 qobject_from_jsonf("{}");
560 }
561
562 static QObject *get_cmd_dict(const char *name)
563 {
564 const char *p;
565
566 /* Remove '|' from some commands */
567 p = strchr(name, '|');
568 if (p) {
569 p++;
570 } else {
571 p = name;
572 }
573
574 return qobject_from_jsonf("{ 'name': %s }", p);
575 }
576
577 /**
578 * do_info_commands(): List QMP available commands
579 *
580 * Each command is represented by a QDict, the returned QObject is a QList
581 * of all commands.
582 *
583 * The QDict contains:
584 *
585 * - "name": command's name
586 *
587 * Example:
588 *
589 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
590 */
591 static void do_info_commands(Monitor *mon, QObject **ret_data)
592 {
593 QList *cmd_list;
594 const mon_cmd_t *cmd;
595
596 cmd_list = qlist_new();
597
598 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
599 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
600 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
601 }
602 }
603
604 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
605 if (monitor_handler_ported(cmd)) {
606 char buf[128];
607 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
608 qlist_append_obj(cmd_list, get_cmd_dict(buf));
609 }
610 }
611
612 *ret_data = QOBJECT(cmd_list);
613 }
614
615 #if defined(TARGET_I386)
616 static void do_info_hpet_print(Monitor *mon, const QObject *data)
617 {
618 monitor_printf(mon, "HPET is %s by QEMU\n",
619 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
620 "enabled" : "disabled");
621 }
622
623 /**
624 * do_info_hpet(): Show HPET state
625 *
626 * Return a QDict with the following information:
627 *
628 * - "enabled": true if hpet if enabled, false otherwise
629 *
630 * Example:
631 *
632 * { "enabled": true }
633 */
634 static void do_info_hpet(Monitor *mon, QObject **ret_data)
635 {
636 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
637 }
638 #endif
639
640 static void do_info_uuid_print(Monitor *mon, const QObject *data)
641 {
642 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
643 }
644
645 /**
646 * do_info_uuid(): Show VM UUID
647 *
648 * Return a QDict with the following information:
649 *
650 * - "UUID": Universally Unique Identifier
651 *
652 * Example:
653 *
654 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
655 */
656 static void do_info_uuid(Monitor *mon, QObject **ret_data)
657 {
658 char uuid[64];
659
660 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
661 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
662 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
663 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
664 qemu_uuid[14], qemu_uuid[15]);
665 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
666 }
667
668 /* get the current CPU defined by the user */
669 static int mon_set_cpu(int cpu_index)
670 {
671 CPUState *env;
672
673 for(env = first_cpu; env != NULL; env = env->next_cpu) {
674 if (env->cpu_index == cpu_index) {
675 cur_mon->mon_cpu = env;
676 return 0;
677 }
678 }
679 return -1;
680 }
681
682 static CPUState *mon_get_cpu(void)
683 {
684 if (!cur_mon->mon_cpu) {
685 mon_set_cpu(0);
686 }
687 cpu_synchronize_state(cur_mon->mon_cpu);
688 return cur_mon->mon_cpu;
689 }
690
691 static void do_info_registers(Monitor *mon)
692 {
693 CPUState *env;
694 env = mon_get_cpu();
695 #ifdef TARGET_I386
696 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
697 X86_DUMP_FPU);
698 #else
699 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
700 0);
701 #endif
702 }
703
704 static void print_cpu_iter(QObject *obj, void *opaque)
705 {
706 QDict *cpu;
707 int active = ' ';
708 Monitor *mon = opaque;
709
710 assert(qobject_type(obj) == QTYPE_QDICT);
711 cpu = qobject_to_qdict(obj);
712
713 if (qdict_get_bool(cpu, "current")) {
714 active = '*';
715 }
716
717 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
718
719 #if defined(TARGET_I386)
720 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
721 (target_ulong) qdict_get_int(cpu, "pc"));
722 #elif defined(TARGET_PPC)
723 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
724 (target_long) qdict_get_int(cpu, "nip"));
725 #elif defined(TARGET_SPARC)
726 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
727 (target_long) qdict_get_int(cpu, "pc"));
728 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
729 (target_long) qdict_get_int(cpu, "npc"));
730 #elif defined(TARGET_MIPS)
731 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
732 (target_long) qdict_get_int(cpu, "PC"));
733 #endif
734
735 if (qdict_get_bool(cpu, "halted")) {
736 monitor_printf(mon, " (halted)");
737 }
738
739 monitor_printf(mon, "\n");
740 }
741
742 static void monitor_print_cpus(Monitor *mon, const QObject *data)
743 {
744 QList *cpu_list;
745
746 assert(qobject_type(data) == QTYPE_QLIST);
747 cpu_list = qobject_to_qlist(data);
748 qlist_iter(cpu_list, print_cpu_iter, mon);
749 }
750
751 /**
752 * do_info_cpus(): Show CPU information
753 *
754 * Return a QList. Each CPU is represented by a QDict, which contains:
755 *
756 * - "cpu": CPU index
757 * - "current": true if this is the current CPU, false otherwise
758 * - "halted": true if the cpu is halted, false otherwise
759 * - Current program counter. The key's name depends on the architecture:
760 * "pc": i386/x86)64
761 * "nip": PPC
762 * "pc" and "npc": sparc
763 * "PC": mips
764 *
765 * Example:
766 *
767 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
768 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
769 */
770 static void do_info_cpus(Monitor *mon, QObject **ret_data)
771 {
772 CPUState *env;
773 QList *cpu_list;
774
775 cpu_list = qlist_new();
776
777 /* just to set the default cpu if not already done */
778 mon_get_cpu();
779
780 for(env = first_cpu; env != NULL; env = env->next_cpu) {
781 QDict *cpu;
782 QObject *obj;
783
784 cpu_synchronize_state(env);
785
786 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
787 env->cpu_index, env == mon->mon_cpu,
788 env->halted);
789 assert(obj != NULL);
790
791 cpu = qobject_to_qdict(obj);
792
793 #if defined(TARGET_I386)
794 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
795 #elif defined(TARGET_PPC)
796 qdict_put(cpu, "nip", qint_from_int(env->nip));
797 #elif defined(TARGET_SPARC)
798 qdict_put(cpu, "pc", qint_from_int(env->pc));
799 qdict_put(cpu, "npc", qint_from_int(env->npc));
800 #elif defined(TARGET_MIPS)
801 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
802 #endif
803
804 qlist_append(cpu_list, cpu);
805 }
806
807 *ret_data = QOBJECT(cpu_list);
808 }
809
810 static void do_cpu_set(Monitor *mon, const QDict *qdict, QObject **ret_data)
811 {
812 int index = qdict_get_int(qdict, "index");
813 if (mon_set_cpu(index) < 0)
814 qemu_error_new(QERR_INVALID_CPU_INDEX);
815 }
816
817 static void do_info_jit(Monitor *mon)
818 {
819 dump_exec_info((FILE *)mon, monitor_fprintf);
820 }
821
822 static void do_info_history(Monitor *mon)
823 {
824 int i;
825 const char *str;
826
827 if (!mon->rs)
828 return;
829 i = 0;
830 for(;;) {
831 str = readline_get_history(mon->rs, i);
832 if (!str)
833 break;
834 monitor_printf(mon, "%d: '%s'\n", i, str);
835 i++;
836 }
837 }
838
839 #if defined(TARGET_PPC)
840 /* XXX: not implemented in other targets */
841 static void do_info_cpu_stats(Monitor *mon)
842 {
843 CPUState *env;
844
845 env = mon_get_cpu();
846 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
847 }
848 #endif
849
850 /**
851 * do_quit(): Quit QEMU execution
852 */
853 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
854 {
855 exit(0);
856 }
857
858 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
859 {
860 if (bdrv_is_inserted(bs)) {
861 if (!force) {
862 if (!bdrv_is_removable(bs)) {
863 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
864 bdrv_get_device_name(bs));
865 return -1;
866 }
867 if (bdrv_is_locked(bs)) {
868 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
869 return -1;
870 }
871 }
872 bdrv_close(bs);
873 }
874 return 0;
875 }
876
877 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
878 {
879 BlockDriverState *bs;
880 int force = qdict_get_int(qdict, "force");
881 const char *filename = qdict_get_str(qdict, "device");
882
883 bs = bdrv_find(filename);
884 if (!bs) {
885 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
886 return;
887 }
888 eject_device(mon, bs, force);
889 }
890
891 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
892 QObject **ret_data)
893 {
894 BlockDriverState *bs;
895
896 bs = bdrv_find(qdict_get_str(qdict, "device"));
897 if (!bs) {
898 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
899 return;
900 }
901
902 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
903 qemu_error_new(QERR_INVALID_PASSWORD);
904 }
905 }
906
907 static void do_change_block(Monitor *mon, const char *device,
908 const char *filename, const char *fmt)
909 {
910 BlockDriverState *bs;
911 BlockDriver *drv = NULL;
912
913 bs = bdrv_find(device);
914 if (!bs) {
915 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
916 return;
917 }
918 if (fmt) {
919 drv = bdrv_find_whitelisted_format(fmt);
920 if (!drv) {
921 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
922 return;
923 }
924 }
925 if (eject_device(mon, bs, 0) < 0)
926 return;
927 bdrv_open2(bs, filename, BDRV_O_RDWR, drv);
928 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
929 }
930
931 static void change_vnc_password(const char *password)
932 {
933 if (vnc_display_password(NULL, password) < 0)
934 qemu_error_new(QERR_SET_PASSWD_FAILED);
935
936 }
937
938 static void change_vnc_password_cb(Monitor *mon, const char *password,
939 void *opaque)
940 {
941 change_vnc_password(password);
942 monitor_read_command(mon, 1);
943 }
944
945 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
946 {
947 if (strcmp(target, "passwd") == 0 ||
948 strcmp(target, "password") == 0) {
949 if (arg) {
950 char password[9];
951 strncpy(password, arg, sizeof(password));
952 password[sizeof(password) - 1] = '\0';
953 change_vnc_password(password);
954 } else {
955 monitor_read_password(mon, change_vnc_password_cb, NULL);
956 }
957 } else {
958 if (vnc_display_open(NULL, target) < 0)
959 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
960 }
961 }
962
963 /**
964 * do_change(): Change a removable medium, or VNC configuration
965 */
966 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
967 {
968 const char *device = qdict_get_str(qdict, "device");
969 const char *target = qdict_get_str(qdict, "target");
970 const char *arg = qdict_get_try_str(qdict, "arg");
971 if (strcmp(device, "vnc") == 0) {
972 do_change_vnc(mon, target, arg);
973 } else {
974 do_change_block(mon, device, target, arg);
975 }
976 }
977
978 static void do_screen_dump(Monitor *mon, const QDict *qdict)
979 {
980 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
981 }
982
983 static void do_logfile(Monitor *mon, const QDict *qdict)
984 {
985 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
986 }
987
988 static void do_log(Monitor *mon, const QDict *qdict)
989 {
990 int mask;
991 const char *items = qdict_get_str(qdict, "items");
992
993 if (!strcmp(items, "none")) {
994 mask = 0;
995 } else {
996 mask = cpu_str_to_log_mask(items);
997 if (!mask) {
998 help_cmd(mon, "log");
999 return;
1000 }
1001 }
1002 cpu_set_log(mask);
1003 }
1004
1005 static void do_singlestep(Monitor *mon, const QDict *qdict)
1006 {
1007 const char *option = qdict_get_try_str(qdict, "option");
1008 if (!option || !strcmp(option, "on")) {
1009 singlestep = 1;
1010 } else if (!strcmp(option, "off")) {
1011 singlestep = 0;
1012 } else {
1013 monitor_printf(mon, "unexpected option %s\n", option);
1014 }
1015 }
1016
1017 /**
1018 * do_stop(): Stop VM execution
1019 */
1020 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1021 {
1022 vm_stop(EXCP_INTERRUPT);
1023 }
1024
1025 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1026
1027 struct bdrv_iterate_context {
1028 Monitor *mon;
1029 int err;
1030 };
1031
1032 /**
1033 * do_cont(): Resume emulation.
1034 */
1035 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1036 {
1037 struct bdrv_iterate_context context = { mon, 0 };
1038
1039 bdrv_iterate(encrypted_bdrv_it, &context);
1040 /* only resume the vm if all keys are set and valid */
1041 if (!context.err)
1042 vm_start();
1043 }
1044
1045 static void bdrv_key_cb(void *opaque, int err)
1046 {
1047 Monitor *mon = opaque;
1048
1049 /* another key was set successfully, retry to continue */
1050 if (!err)
1051 do_cont(mon, NULL, NULL);
1052 }
1053
1054 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1055 {
1056 struct bdrv_iterate_context *context = opaque;
1057
1058 if (!context->err && bdrv_key_required(bs)) {
1059 context->err = -EBUSY;
1060 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1061 context->mon);
1062 }
1063 }
1064
1065 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1066 {
1067 const char *device = qdict_get_try_str(qdict, "device");
1068 if (!device)
1069 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1070 if (gdbserver_start(device) < 0) {
1071 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1072 device);
1073 } else if (strcmp(device, "none") == 0) {
1074 monitor_printf(mon, "Disabled gdbserver\n");
1075 } else {
1076 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1077 device);
1078 }
1079 }
1080
1081 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1082 {
1083 const char *action = qdict_get_str(qdict, "action");
1084 if (select_watchdog_action(action) == -1) {
1085 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1086 }
1087 }
1088
1089 static void monitor_printc(Monitor *mon, int c)
1090 {
1091 monitor_printf(mon, "'");
1092 switch(c) {
1093 case '\'':
1094 monitor_printf(mon, "\\'");
1095 break;
1096 case '\\':
1097 monitor_printf(mon, "\\\\");
1098 break;
1099 case '\n':
1100 monitor_printf(mon, "\\n");
1101 break;
1102 case '\r':
1103 monitor_printf(mon, "\\r");
1104 break;
1105 default:
1106 if (c >= 32 && c <= 126) {
1107 monitor_printf(mon, "%c", c);
1108 } else {
1109 monitor_printf(mon, "\\x%02x", c);
1110 }
1111 break;
1112 }
1113 monitor_printf(mon, "'");
1114 }
1115
1116 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1117 target_phys_addr_t addr, int is_physical)
1118 {
1119 CPUState *env;
1120 int l, line_size, i, max_digits, len;
1121 uint8_t buf[16];
1122 uint64_t v;
1123
1124 if (format == 'i') {
1125 int flags;
1126 flags = 0;
1127 env = mon_get_cpu();
1128 if (!is_physical)
1129 return;
1130 #ifdef TARGET_I386
1131 if (wsize == 2) {
1132 flags = 1;
1133 } else if (wsize == 4) {
1134 flags = 0;
1135 } else {
1136 /* as default we use the current CS size */
1137 flags = 0;
1138 if (env) {
1139 #ifdef TARGET_X86_64
1140 if ((env->efer & MSR_EFER_LMA) &&
1141 (env->segs[R_CS].flags & DESC_L_MASK))
1142 flags = 2;
1143 else
1144 #endif
1145 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1146 flags = 1;
1147 }
1148 }
1149 #endif
1150 monitor_disas(mon, env, addr, count, is_physical, flags);
1151 return;
1152 }
1153
1154 len = wsize * count;
1155 if (wsize == 1)
1156 line_size = 8;
1157 else
1158 line_size = 16;
1159 max_digits = 0;
1160
1161 switch(format) {
1162 case 'o':
1163 max_digits = (wsize * 8 + 2) / 3;
1164 break;
1165 default:
1166 case 'x':
1167 max_digits = (wsize * 8) / 4;
1168 break;
1169 case 'u':
1170 case 'd':
1171 max_digits = (wsize * 8 * 10 + 32) / 33;
1172 break;
1173 case 'c':
1174 wsize = 1;
1175 break;
1176 }
1177
1178 while (len > 0) {
1179 if (is_physical)
1180 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1181 else
1182 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1183 l = len;
1184 if (l > line_size)
1185 l = line_size;
1186 if (is_physical) {
1187 cpu_physical_memory_rw(addr, buf, l, 0);
1188 } else {
1189 env = mon_get_cpu();
1190 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1191 monitor_printf(mon, " Cannot access memory\n");
1192 break;
1193 }
1194 }
1195 i = 0;
1196 while (i < l) {
1197 switch(wsize) {
1198 default:
1199 case 1:
1200 v = ldub_raw(buf + i);
1201 break;
1202 case 2:
1203 v = lduw_raw(buf + i);
1204 break;
1205 case 4:
1206 v = (uint32_t)ldl_raw(buf + i);
1207 break;
1208 case 8:
1209 v = ldq_raw(buf + i);
1210 break;
1211 }
1212 monitor_printf(mon, " ");
1213 switch(format) {
1214 case 'o':
1215 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1216 break;
1217 case 'x':
1218 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1219 break;
1220 case 'u':
1221 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1222 break;
1223 case 'd':
1224 monitor_printf(mon, "%*" PRId64, max_digits, v);
1225 break;
1226 case 'c':
1227 monitor_printc(mon, v);
1228 break;
1229 }
1230 i += wsize;
1231 }
1232 monitor_printf(mon, "\n");
1233 addr += l;
1234 len -= l;
1235 }
1236 }
1237
1238 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1239 {
1240 int count = qdict_get_int(qdict, "count");
1241 int format = qdict_get_int(qdict, "format");
1242 int size = qdict_get_int(qdict, "size");
1243 target_long addr = qdict_get_int(qdict, "addr");
1244
1245 memory_dump(mon, count, format, size, addr, 0);
1246 }
1247
1248 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1249 {
1250 int count = qdict_get_int(qdict, "count");
1251 int format = qdict_get_int(qdict, "format");
1252 int size = qdict_get_int(qdict, "size");
1253 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1254
1255 memory_dump(mon, count, format, size, addr, 1);
1256 }
1257
1258 static void do_print(Monitor *mon, const QDict *qdict)
1259 {
1260 int format = qdict_get_int(qdict, "format");
1261 target_phys_addr_t val = qdict_get_int(qdict, "val");
1262
1263 #if TARGET_PHYS_ADDR_BITS == 32
1264 switch(format) {
1265 case 'o':
1266 monitor_printf(mon, "%#o", val);
1267 break;
1268 case 'x':
1269 monitor_printf(mon, "%#x", val);
1270 break;
1271 case 'u':
1272 monitor_printf(mon, "%u", val);
1273 break;
1274 default:
1275 case 'd':
1276 monitor_printf(mon, "%d", val);
1277 break;
1278 case 'c':
1279 monitor_printc(mon, val);
1280 break;
1281 }
1282 #else
1283 switch(format) {
1284 case 'o':
1285 monitor_printf(mon, "%#" PRIo64, val);
1286 break;
1287 case 'x':
1288 monitor_printf(mon, "%#" PRIx64, val);
1289 break;
1290 case 'u':
1291 monitor_printf(mon, "%" PRIu64, val);
1292 break;
1293 default:
1294 case 'd':
1295 monitor_printf(mon, "%" PRId64, val);
1296 break;
1297 case 'c':
1298 monitor_printc(mon, val);
1299 break;
1300 }
1301 #endif
1302 monitor_printf(mon, "\n");
1303 }
1304
1305 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1306 {
1307 FILE *f;
1308 uint32_t size = qdict_get_int(qdict, "size");
1309 const char *filename = qdict_get_str(qdict, "filename");
1310 target_long addr = qdict_get_int(qdict, "val");
1311 uint32_t l;
1312 CPUState *env;
1313 uint8_t buf[1024];
1314
1315 env = mon_get_cpu();
1316
1317 f = fopen(filename, "wb");
1318 if (!f) {
1319 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1320 return;
1321 }
1322 while (size != 0) {
1323 l = sizeof(buf);
1324 if (l > size)
1325 l = size;
1326 cpu_memory_rw_debug(env, addr, buf, l, 0);
1327 fwrite(buf, 1, l, f);
1328 addr += l;
1329 size -= l;
1330 }
1331 fclose(f);
1332 }
1333
1334 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1335 QObject **ret_data)
1336 {
1337 FILE *f;
1338 uint32_t l;
1339 uint8_t buf[1024];
1340 uint32_t size = qdict_get_int(qdict, "size");
1341 const char *filename = qdict_get_str(qdict, "filename");
1342 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1343
1344 f = fopen(filename, "wb");
1345 if (!f) {
1346 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1347 return;
1348 }
1349 while (size != 0) {
1350 l = sizeof(buf);
1351 if (l > size)
1352 l = size;
1353 cpu_physical_memory_rw(addr, buf, l, 0);
1354 fwrite(buf, 1, l, f);
1355 fflush(f);
1356 addr += l;
1357 size -= l;
1358 }
1359 fclose(f);
1360 }
1361
1362 static void do_sum(Monitor *mon, const QDict *qdict)
1363 {
1364 uint32_t addr;
1365 uint8_t buf[1];
1366 uint16_t sum;
1367 uint32_t start = qdict_get_int(qdict, "start");
1368 uint32_t size = qdict_get_int(qdict, "size");
1369
1370 sum = 0;
1371 for(addr = start; addr < (start + size); addr++) {
1372 cpu_physical_memory_rw(addr, buf, 1, 0);
1373 /* BSD sum algorithm ('sum' Unix command) */
1374 sum = (sum >> 1) | (sum << 15);
1375 sum += buf[0];
1376 }
1377 monitor_printf(mon, "%05d\n", sum);
1378 }
1379
1380 typedef struct {
1381 int keycode;
1382 const char *name;
1383 } KeyDef;
1384
1385 static const KeyDef key_defs[] = {
1386 { 0x2a, "shift" },
1387 { 0x36, "shift_r" },
1388
1389 { 0x38, "alt" },
1390 { 0xb8, "alt_r" },
1391 { 0x64, "altgr" },
1392 { 0xe4, "altgr_r" },
1393 { 0x1d, "ctrl" },
1394 { 0x9d, "ctrl_r" },
1395
1396 { 0xdd, "menu" },
1397
1398 { 0x01, "esc" },
1399
1400 { 0x02, "1" },
1401 { 0x03, "2" },
1402 { 0x04, "3" },
1403 { 0x05, "4" },
1404 { 0x06, "5" },
1405 { 0x07, "6" },
1406 { 0x08, "7" },
1407 { 0x09, "8" },
1408 { 0x0a, "9" },
1409 { 0x0b, "0" },
1410 { 0x0c, "minus" },
1411 { 0x0d, "equal" },
1412 { 0x0e, "backspace" },
1413
1414 { 0x0f, "tab" },
1415 { 0x10, "q" },
1416 { 0x11, "w" },
1417 { 0x12, "e" },
1418 { 0x13, "r" },
1419 { 0x14, "t" },
1420 { 0x15, "y" },
1421 { 0x16, "u" },
1422 { 0x17, "i" },
1423 { 0x18, "o" },
1424 { 0x19, "p" },
1425
1426 { 0x1c, "ret" },
1427
1428 { 0x1e, "a" },
1429 { 0x1f, "s" },
1430 { 0x20, "d" },
1431 { 0x21, "f" },
1432 { 0x22, "g" },
1433 { 0x23, "h" },
1434 { 0x24, "j" },
1435 { 0x25, "k" },
1436 { 0x26, "l" },
1437
1438 { 0x2c, "z" },
1439 { 0x2d, "x" },
1440 { 0x2e, "c" },
1441 { 0x2f, "v" },
1442 { 0x30, "b" },
1443 { 0x31, "n" },
1444 { 0x32, "m" },
1445 { 0x33, "comma" },
1446 { 0x34, "dot" },
1447 { 0x35, "slash" },
1448
1449 { 0x37, "asterisk" },
1450
1451 { 0x39, "spc" },
1452 { 0x3a, "caps_lock" },
1453 { 0x3b, "f1" },
1454 { 0x3c, "f2" },
1455 { 0x3d, "f3" },
1456 { 0x3e, "f4" },
1457 { 0x3f, "f5" },
1458 { 0x40, "f6" },
1459 { 0x41, "f7" },
1460 { 0x42, "f8" },
1461 { 0x43, "f9" },
1462 { 0x44, "f10" },
1463 { 0x45, "num_lock" },
1464 { 0x46, "scroll_lock" },
1465
1466 { 0xb5, "kp_divide" },
1467 { 0x37, "kp_multiply" },
1468 { 0x4a, "kp_subtract" },
1469 { 0x4e, "kp_add" },
1470 { 0x9c, "kp_enter" },
1471 { 0x53, "kp_decimal" },
1472 { 0x54, "sysrq" },
1473
1474 { 0x52, "kp_0" },
1475 { 0x4f, "kp_1" },
1476 { 0x50, "kp_2" },
1477 { 0x51, "kp_3" },
1478 { 0x4b, "kp_4" },
1479 { 0x4c, "kp_5" },
1480 { 0x4d, "kp_6" },
1481 { 0x47, "kp_7" },
1482 { 0x48, "kp_8" },
1483 { 0x49, "kp_9" },
1484
1485 { 0x56, "<" },
1486
1487 { 0x57, "f11" },
1488 { 0x58, "f12" },
1489
1490 { 0xb7, "print" },
1491
1492 { 0xc7, "home" },
1493 { 0xc9, "pgup" },
1494 { 0xd1, "pgdn" },
1495 { 0xcf, "end" },
1496
1497 { 0xcb, "left" },
1498 { 0xc8, "up" },
1499 { 0xd0, "down" },
1500 { 0xcd, "right" },
1501
1502 { 0xd2, "insert" },
1503 { 0xd3, "delete" },
1504 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1505 { 0xf0, "stop" },
1506 { 0xf1, "again" },
1507 { 0xf2, "props" },
1508 { 0xf3, "undo" },
1509 { 0xf4, "front" },
1510 { 0xf5, "copy" },
1511 { 0xf6, "open" },
1512 { 0xf7, "paste" },
1513 { 0xf8, "find" },
1514 { 0xf9, "cut" },
1515 { 0xfa, "lf" },
1516 { 0xfb, "help" },
1517 { 0xfc, "meta_l" },
1518 { 0xfd, "meta_r" },
1519 { 0xfe, "compose" },
1520 #endif
1521 { 0, NULL },
1522 };
1523
1524 static int get_keycode(const char *key)
1525 {
1526 const KeyDef *p;
1527 char *endp;
1528 int ret;
1529
1530 for(p = key_defs; p->name != NULL; p++) {
1531 if (!strcmp(key, p->name))
1532 return p->keycode;
1533 }
1534 if (strstart(key, "0x", NULL)) {
1535 ret = strtoul(key, &endp, 0);
1536 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1537 return ret;
1538 }
1539 return -1;
1540 }
1541
1542 #define MAX_KEYCODES 16
1543 static uint8_t keycodes[MAX_KEYCODES];
1544 static int nb_pending_keycodes;
1545 static QEMUTimer *key_timer;
1546
1547 static void release_keys(void *opaque)
1548 {
1549 int keycode;
1550
1551 while (nb_pending_keycodes > 0) {
1552 nb_pending_keycodes--;
1553 keycode = keycodes[nb_pending_keycodes];
1554 if (keycode & 0x80)
1555 kbd_put_keycode(0xe0);
1556 kbd_put_keycode(keycode | 0x80);
1557 }
1558 }
1559
1560 static void do_sendkey(Monitor *mon, const QDict *qdict)
1561 {
1562 char keyname_buf[16];
1563 char *separator;
1564 int keyname_len, keycode, i;
1565 const char *string = qdict_get_str(qdict, "string");
1566 int has_hold_time = qdict_haskey(qdict, "hold_time");
1567 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1568
1569 if (nb_pending_keycodes > 0) {
1570 qemu_del_timer(key_timer);
1571 release_keys(NULL);
1572 }
1573 if (!has_hold_time)
1574 hold_time = 100;
1575 i = 0;
1576 while (1) {
1577 separator = strchr(string, '-');
1578 keyname_len = separator ? separator - string : strlen(string);
1579 if (keyname_len > 0) {
1580 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1581 if (keyname_len > sizeof(keyname_buf) - 1) {
1582 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1583 return;
1584 }
1585 if (i == MAX_KEYCODES) {
1586 monitor_printf(mon, "too many keys\n");
1587 return;
1588 }
1589 keyname_buf[keyname_len] = 0;
1590 keycode = get_keycode(keyname_buf);
1591 if (keycode < 0) {
1592 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1593 return;
1594 }
1595 keycodes[i++] = keycode;
1596 }
1597 if (!separator)
1598 break;
1599 string = separator + 1;
1600 }
1601 nb_pending_keycodes = i;
1602 /* key down events */
1603 for (i = 0; i < nb_pending_keycodes; i++) {
1604 keycode = keycodes[i];
1605 if (keycode & 0x80)
1606 kbd_put_keycode(0xe0);
1607 kbd_put_keycode(keycode & 0x7f);
1608 }
1609 /* delayed key up events */
1610 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1611 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1612 }
1613
1614 static int mouse_button_state;
1615
1616 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1617 {
1618 int dx, dy, dz;
1619 const char *dx_str = qdict_get_str(qdict, "dx_str");
1620 const char *dy_str = qdict_get_str(qdict, "dy_str");
1621 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1622 dx = strtol(dx_str, NULL, 0);
1623 dy = strtol(dy_str, NULL, 0);
1624 dz = 0;
1625 if (dz_str)
1626 dz = strtol(dz_str, NULL, 0);
1627 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1628 }
1629
1630 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1631 {
1632 int button_state = qdict_get_int(qdict, "button_state");
1633 mouse_button_state = button_state;
1634 kbd_mouse_event(0, 0, 0, mouse_button_state);
1635 }
1636
1637 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1638 {
1639 int size = qdict_get_int(qdict, "size");
1640 int addr = qdict_get_int(qdict, "addr");
1641 int has_index = qdict_haskey(qdict, "index");
1642 uint32_t val;
1643 int suffix;
1644
1645 if (has_index) {
1646 int index = qdict_get_int(qdict, "index");
1647 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1648 addr++;
1649 }
1650 addr &= 0xffff;
1651
1652 switch(size) {
1653 default:
1654 case 1:
1655 val = cpu_inb(addr);
1656 suffix = 'b';
1657 break;
1658 case 2:
1659 val = cpu_inw(addr);
1660 suffix = 'w';
1661 break;
1662 case 4:
1663 val = cpu_inl(addr);
1664 suffix = 'l';
1665 break;
1666 }
1667 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1668 suffix, addr, size * 2, val);
1669 }
1670
1671 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1672 {
1673 int size = qdict_get_int(qdict, "size");
1674 int addr = qdict_get_int(qdict, "addr");
1675 int val = qdict_get_int(qdict, "val");
1676
1677 addr &= IOPORTS_MASK;
1678
1679 switch (size) {
1680 default:
1681 case 1:
1682 cpu_outb(addr, val);
1683 break;
1684 case 2:
1685 cpu_outw(addr, val);
1686 break;
1687 case 4:
1688 cpu_outl(addr, val);
1689 break;
1690 }
1691 }
1692
1693 static void do_boot_set(Monitor *mon, const QDict *qdict)
1694 {
1695 int res;
1696 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1697
1698 res = qemu_boot_set(bootdevice);
1699 if (res == 0) {
1700 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1701 } else if (res > 0) {
1702 monitor_printf(mon, "setting boot device list failed\n");
1703 } else {
1704 monitor_printf(mon, "no function defined to set boot device list for "
1705 "this architecture\n");
1706 }
1707 }
1708
1709 /**
1710 * do_system_reset(): Issue a machine reset
1711 */
1712 static void do_system_reset(Monitor *mon, const QDict *qdict,
1713 QObject **ret_data)
1714 {
1715 qemu_system_reset_request();
1716 }
1717
1718 /**
1719 * do_system_powerdown(): Issue a machine powerdown
1720 */
1721 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1722 QObject **ret_data)
1723 {
1724 qemu_system_powerdown_request();
1725 }
1726
1727 #if defined(TARGET_I386)
1728 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1729 {
1730 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1731 addr,
1732 pte & mask,
1733 pte & PG_GLOBAL_MASK ? 'G' : '-',
1734 pte & PG_PSE_MASK ? 'P' : '-',
1735 pte & PG_DIRTY_MASK ? 'D' : '-',
1736 pte & PG_ACCESSED_MASK ? 'A' : '-',
1737 pte & PG_PCD_MASK ? 'C' : '-',
1738 pte & PG_PWT_MASK ? 'T' : '-',
1739 pte & PG_USER_MASK ? 'U' : '-',
1740 pte & PG_RW_MASK ? 'W' : '-');
1741 }
1742
1743 static void tlb_info(Monitor *mon)
1744 {
1745 CPUState *env;
1746 int l1, l2;
1747 uint32_t pgd, pde, pte;
1748
1749 env = mon_get_cpu();
1750
1751 if (!(env->cr[0] & CR0_PG_MASK)) {
1752 monitor_printf(mon, "PG disabled\n");
1753 return;
1754 }
1755 pgd = env->cr[3] & ~0xfff;
1756 for(l1 = 0; l1 < 1024; l1++) {
1757 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1758 pde = le32_to_cpu(pde);
1759 if (pde & PG_PRESENT_MASK) {
1760 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1761 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1762 } else {
1763 for(l2 = 0; l2 < 1024; l2++) {
1764 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1765 (uint8_t *)&pte, 4);
1766 pte = le32_to_cpu(pte);
1767 if (pte & PG_PRESENT_MASK) {
1768 print_pte(mon, (l1 << 22) + (l2 << 12),
1769 pte & ~PG_PSE_MASK,
1770 ~0xfff);
1771 }
1772 }
1773 }
1774 }
1775 }
1776 }
1777
1778 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1779 uint32_t end, int prot)
1780 {
1781 int prot1;
1782 prot1 = *plast_prot;
1783 if (prot != prot1) {
1784 if (*pstart != -1) {
1785 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1786 *pstart, end, end - *pstart,
1787 prot1 & PG_USER_MASK ? 'u' : '-',
1788 'r',
1789 prot1 & PG_RW_MASK ? 'w' : '-');
1790 }
1791 if (prot != 0)
1792 *pstart = end;
1793 else
1794 *pstart = -1;
1795 *plast_prot = prot;
1796 }
1797 }
1798
1799 static void mem_info(Monitor *mon)
1800 {
1801 CPUState *env;
1802 int l1, l2, prot, last_prot;
1803 uint32_t pgd, pde, pte, start, end;
1804
1805 env = mon_get_cpu();
1806
1807 if (!(env->cr[0] & CR0_PG_MASK)) {
1808 monitor_printf(mon, "PG disabled\n");
1809 return;
1810 }
1811 pgd = env->cr[3] & ~0xfff;
1812 last_prot = 0;
1813 start = -1;
1814 for(l1 = 0; l1 < 1024; l1++) {
1815 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1816 pde = le32_to_cpu(pde);
1817 end = l1 << 22;
1818 if (pde & PG_PRESENT_MASK) {
1819 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1820 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1821 mem_print(mon, &start, &last_prot, end, prot);
1822 } else {
1823 for(l2 = 0; l2 < 1024; l2++) {
1824 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1825 (uint8_t *)&pte, 4);
1826 pte = le32_to_cpu(pte);
1827 end = (l1 << 22) + (l2 << 12);
1828 if (pte & PG_PRESENT_MASK) {
1829 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1830 } else {
1831 prot = 0;
1832 }
1833 mem_print(mon, &start, &last_prot, end, prot);
1834 }
1835 }
1836 } else {
1837 prot = 0;
1838 mem_print(mon, &start, &last_prot, end, prot);
1839 }
1840 }
1841 }
1842 #endif
1843
1844 #if defined(TARGET_SH4)
1845
1846 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1847 {
1848 monitor_printf(mon, " tlb%i:\t"
1849 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1850 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1851 "dirty=%hhu writethrough=%hhu\n",
1852 idx,
1853 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1854 tlb->v, tlb->sh, tlb->c, tlb->pr,
1855 tlb->d, tlb->wt);
1856 }
1857
1858 static void tlb_info(Monitor *mon)
1859 {
1860 CPUState *env = mon_get_cpu();
1861 int i;
1862
1863 monitor_printf (mon, "ITLB:\n");
1864 for (i = 0 ; i < ITLB_SIZE ; i++)
1865 print_tlb (mon, i, &env->itlb[i]);
1866 monitor_printf (mon, "UTLB:\n");
1867 for (i = 0 ; i < UTLB_SIZE ; i++)
1868 print_tlb (mon, i, &env->utlb[i]);
1869 }
1870
1871 #endif
1872
1873 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1874 {
1875 QDict *qdict;
1876
1877 qdict = qobject_to_qdict(data);
1878
1879 monitor_printf(mon, "kvm support: ");
1880 if (qdict_get_bool(qdict, "present")) {
1881 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1882 "enabled" : "disabled");
1883 } else {
1884 monitor_printf(mon, "not compiled\n");
1885 }
1886 }
1887
1888 /**
1889 * do_info_kvm(): Show KVM information
1890 *
1891 * Return a QDict with the following information:
1892 *
1893 * - "enabled": true if KVM support is enabled, false otherwise
1894 * - "present": true if QEMU has KVM support, false otherwise
1895 *
1896 * Example:
1897 *
1898 * { "enabled": true, "present": true }
1899 */
1900 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1901 {
1902 #ifdef CONFIG_KVM
1903 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1904 kvm_enabled());
1905 #else
1906 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1907 #endif
1908 }
1909
1910 static void do_info_numa(Monitor *mon)
1911 {
1912 int i;
1913 CPUState *env;
1914
1915 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1916 for (i = 0; i < nb_numa_nodes; i++) {
1917 monitor_printf(mon, "node %d cpus:", i);
1918 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1919 if (env->numa_node == i) {
1920 monitor_printf(mon, " %d", env->cpu_index);
1921 }
1922 }
1923 monitor_printf(mon, "\n");
1924 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1925 node_mem[i] >> 20);
1926 }
1927 }
1928
1929 #ifdef CONFIG_PROFILER
1930
1931 int64_t qemu_time;
1932 int64_t dev_time;
1933
1934 static void do_info_profile(Monitor *mon)
1935 {
1936 int64_t total;
1937 total = qemu_time;
1938 if (total == 0)
1939 total = 1;
1940 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1941 dev_time, dev_time / (double)get_ticks_per_sec());
1942 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1943 qemu_time, qemu_time / (double)get_ticks_per_sec());
1944 qemu_time = 0;
1945 dev_time = 0;
1946 }
1947 #else
1948 static void do_info_profile(Monitor *mon)
1949 {
1950 monitor_printf(mon, "Internal profiler not compiled\n");
1951 }
1952 #endif
1953
1954 /* Capture support */
1955 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1956
1957 static void do_info_capture(Monitor *mon)
1958 {
1959 int i;
1960 CaptureState *s;
1961
1962 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1963 monitor_printf(mon, "[%d]: ", i);
1964 s->ops.info (s->opaque);
1965 }
1966 }
1967
1968 #ifdef HAS_AUDIO
1969 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1970 {
1971 int i;
1972 int n = qdict_get_int(qdict, "n");
1973 CaptureState *s;
1974
1975 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1976 if (i == n) {
1977 s->ops.destroy (s->opaque);
1978 QLIST_REMOVE (s, entries);
1979 qemu_free (s);
1980 return;
1981 }
1982 }
1983 }
1984
1985 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1986 {
1987 const char *path = qdict_get_str(qdict, "path");
1988 int has_freq = qdict_haskey(qdict, "freq");
1989 int freq = qdict_get_try_int(qdict, "freq", -1);
1990 int has_bits = qdict_haskey(qdict, "bits");
1991 int bits = qdict_get_try_int(qdict, "bits", -1);
1992 int has_channels = qdict_haskey(qdict, "nchannels");
1993 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1994 CaptureState *s;
1995
1996 s = qemu_mallocz (sizeof (*s));
1997
1998 freq = has_freq ? freq : 44100;
1999 bits = has_bits ? bits : 16;
2000 nchannels = has_channels ? nchannels : 2;
2001
2002 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2003 monitor_printf(mon, "Faied to add wave capture\n");
2004 qemu_free (s);
2005 }
2006 QLIST_INSERT_HEAD (&capture_head, s, entries);
2007 }
2008 #endif
2009
2010 #if defined(TARGET_I386)
2011 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2012 {
2013 CPUState *env;
2014 int cpu_index = qdict_get_int(qdict, "cpu_index");
2015
2016 for (env = first_cpu; env != NULL; env = env->next_cpu)
2017 if (env->cpu_index == cpu_index) {
2018 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2019 break;
2020 }
2021 }
2022 #endif
2023
2024 static void do_info_status_print(Monitor *mon, const QObject *data)
2025 {
2026 QDict *qdict;
2027
2028 qdict = qobject_to_qdict(data);
2029
2030 monitor_printf(mon, "VM status: ");
2031 if (qdict_get_bool(qdict, "running")) {
2032 monitor_printf(mon, "running");
2033 if (qdict_get_bool(qdict, "singlestep")) {
2034 monitor_printf(mon, " (single step mode)");
2035 }
2036 } else {
2037 monitor_printf(mon, "paused");
2038 }
2039
2040 monitor_printf(mon, "\n");
2041 }
2042
2043 /**
2044 * do_info_status(): VM status
2045 *
2046 * Return a QDict with the following information:
2047 *
2048 * - "running": true if the VM is running, or false if it is paused
2049 * - "singlestep": true if the VM is in single step mode, false otherwise
2050 *
2051 * Example:
2052 *
2053 * { "running": true, "singlestep": false }
2054 */
2055 static void do_info_status(Monitor *mon, QObject **ret_data)
2056 {
2057 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2058 vm_running, singlestep);
2059 }
2060
2061 static ram_addr_t balloon_get_value(void)
2062 {
2063 ram_addr_t actual;
2064
2065 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2066 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2067 return 0;
2068 }
2069
2070 actual = qemu_balloon_status();
2071 if (actual == 0) {
2072 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2073 return 0;
2074 }
2075
2076 return actual;
2077 }
2078
2079 /**
2080 * do_balloon(): Request VM to change its memory allocation
2081 */
2082 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2083 {
2084 if (balloon_get_value()) {
2085 /* ballooning is active */
2086 qemu_balloon(qdict_get_int(qdict, "value"));
2087 }
2088 }
2089
2090 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2091 {
2092 QDict *qdict;
2093
2094 qdict = qobject_to_qdict(data);
2095
2096 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2097 qdict_get_int(qdict, "balloon") >> 20);
2098 }
2099
2100 /**
2101 * do_info_balloon(): Balloon information
2102 *
2103 * Return a QDict with the following information:
2104 *
2105 * - "balloon": current balloon value in bytes
2106 *
2107 * Example:
2108 *
2109 * { "balloon": 1073741824 }
2110 */
2111 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2112 {
2113 ram_addr_t actual;
2114
2115 actual = balloon_get_value();
2116 if (actual != 0) {
2117 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2118 (int64_t) actual);
2119 }
2120 }
2121
2122 static qemu_acl *find_acl(Monitor *mon, const char *name)
2123 {
2124 qemu_acl *acl = qemu_acl_find(name);
2125
2126 if (!acl) {
2127 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2128 }
2129 return acl;
2130 }
2131
2132 static void do_acl_show(Monitor *mon, const QDict *qdict)
2133 {
2134 const char *aclname = qdict_get_str(qdict, "aclname");
2135 qemu_acl *acl = find_acl(mon, aclname);
2136 qemu_acl_entry *entry;
2137 int i = 0;
2138
2139 if (acl) {
2140 monitor_printf(mon, "policy: %s\n",
2141 acl->defaultDeny ? "deny" : "allow");
2142 QTAILQ_FOREACH(entry, &acl->entries, next) {
2143 i++;
2144 monitor_printf(mon, "%d: %s %s\n", i,
2145 entry->deny ? "deny" : "allow", entry->match);
2146 }
2147 }
2148 }
2149
2150 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2151 {
2152 const char *aclname = qdict_get_str(qdict, "aclname");
2153 qemu_acl *acl = find_acl(mon, aclname);
2154
2155 if (acl) {
2156 qemu_acl_reset(acl);
2157 monitor_printf(mon, "acl: removed all rules\n");
2158 }
2159 }
2160
2161 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2162 {
2163 const char *aclname = qdict_get_str(qdict, "aclname");
2164 const char *policy = qdict_get_str(qdict, "policy");
2165 qemu_acl *acl = find_acl(mon, aclname);
2166
2167 if (acl) {
2168 if (strcmp(policy, "allow") == 0) {
2169 acl->defaultDeny = 0;
2170 monitor_printf(mon, "acl: policy set to 'allow'\n");
2171 } else if (strcmp(policy, "deny") == 0) {
2172 acl->defaultDeny = 1;
2173 monitor_printf(mon, "acl: policy set to 'deny'\n");
2174 } else {
2175 monitor_printf(mon, "acl: unknown policy '%s', "
2176 "expected 'deny' or 'allow'\n", policy);
2177 }
2178 }
2179 }
2180
2181 static void do_acl_add(Monitor *mon, const QDict *qdict)
2182 {
2183 const char *aclname = qdict_get_str(qdict, "aclname");
2184 const char *match = qdict_get_str(qdict, "match");
2185 const char *policy = qdict_get_str(qdict, "policy");
2186 int has_index = qdict_haskey(qdict, "index");
2187 int index = qdict_get_try_int(qdict, "index", -1);
2188 qemu_acl *acl = find_acl(mon, aclname);
2189 int deny, ret;
2190
2191 if (acl) {
2192 if (strcmp(policy, "allow") == 0) {
2193 deny = 0;
2194 } else if (strcmp(policy, "deny") == 0) {
2195 deny = 1;
2196 } else {
2197 monitor_printf(mon, "acl: unknown policy '%s', "
2198 "expected 'deny' or 'allow'\n", policy);
2199 return;
2200 }
2201 if (has_index)
2202 ret = qemu_acl_insert(acl, deny, match, index);
2203 else
2204 ret = qemu_acl_append(acl, deny, match);
2205 if (ret < 0)
2206 monitor_printf(mon, "acl: unable to add acl entry\n");
2207 else
2208 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2209 }
2210 }
2211
2212 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2213 {
2214 const char *aclname = qdict_get_str(qdict, "aclname");
2215 const char *match = qdict_get_str(qdict, "match");
2216 qemu_acl *acl = find_acl(mon, aclname);
2217 int ret;
2218
2219 if (acl) {
2220 ret = qemu_acl_remove(acl, match);
2221 if (ret < 0)
2222 monitor_printf(mon, "acl: no matching acl entry\n");
2223 else
2224 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2225 }
2226 }
2227
2228 #if defined(TARGET_I386)
2229 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2230 {
2231 CPUState *cenv;
2232 int cpu_index = qdict_get_int(qdict, "cpu_index");
2233 int bank = qdict_get_int(qdict, "bank");
2234 uint64_t status = qdict_get_int(qdict, "status");
2235 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2236 uint64_t addr = qdict_get_int(qdict, "addr");
2237 uint64_t misc = qdict_get_int(qdict, "misc");
2238
2239 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2240 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2241 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2242 break;
2243 }
2244 }
2245 #endif
2246
2247 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2248 {
2249 const char *fdname = qdict_get_str(qdict, "fdname");
2250 mon_fd_t *monfd;
2251 int fd;
2252
2253 fd = qemu_chr_get_msgfd(mon->chr);
2254 if (fd == -1) {
2255 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2256 return;
2257 }
2258
2259 if (qemu_isdigit(fdname[0])) {
2260 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2261 return;
2262 }
2263
2264 fd = dup(fd);
2265 if (fd == -1) {
2266 if (errno == EMFILE)
2267 qemu_error_new(QERR_TOO_MANY_FILES);
2268 else
2269 qemu_error_new(QERR_UNDEFINED_ERROR);
2270 return;
2271 }
2272
2273 QLIST_FOREACH(monfd, &mon->fds, next) {
2274 if (strcmp(monfd->name, fdname) != 0) {
2275 continue;
2276 }
2277
2278 close(monfd->fd);
2279 monfd->fd = fd;
2280 return;
2281 }
2282
2283 monfd = qemu_mallocz(sizeof(mon_fd_t));
2284 monfd->name = qemu_strdup(fdname);
2285 monfd->fd = fd;
2286
2287 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2288 }
2289
2290 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2291 {
2292 const char *fdname = qdict_get_str(qdict, "fdname");
2293 mon_fd_t *monfd;
2294
2295 QLIST_FOREACH(monfd, &mon->fds, next) {
2296 if (strcmp(monfd->name, fdname) != 0) {
2297 continue;
2298 }
2299
2300 QLIST_REMOVE(monfd, next);
2301 close(monfd->fd);
2302 qemu_free(monfd->name);
2303 qemu_free(monfd);
2304 return;
2305 }
2306
2307 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2308 }
2309
2310 static void do_loadvm(Monitor *mon, const QDict *qdict)
2311 {
2312 int saved_vm_running = vm_running;
2313 const char *name = qdict_get_str(qdict, "name");
2314
2315 vm_stop(0);
2316
2317 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2318 vm_start();
2319 }
2320
2321 int monitor_get_fd(Monitor *mon, const char *fdname)
2322 {
2323 mon_fd_t *monfd;
2324
2325 QLIST_FOREACH(monfd, &mon->fds, next) {
2326 int fd;
2327
2328 if (strcmp(monfd->name, fdname) != 0) {
2329 continue;
2330 }
2331
2332 fd = monfd->fd;
2333
2334 /* caller takes ownership of fd */
2335 QLIST_REMOVE(monfd, next);
2336 qemu_free(monfd->name);
2337 qemu_free(monfd);
2338
2339 return fd;
2340 }
2341
2342 return -1;
2343 }
2344
2345 static const mon_cmd_t mon_cmds[] = {
2346 #include "qemu-monitor.h"
2347 { NULL, NULL, },
2348 };
2349
2350 /* Please update qemu-monitor.hx when adding or changing commands */
2351 static const mon_cmd_t info_cmds[] = {
2352 {
2353 .name = "version",
2354 .args_type = "",
2355 .params = "",
2356 .help = "show the version of QEMU",
2357 .user_print = do_info_version_print,
2358 .mhandler.info_new = do_info_version,
2359 },
2360 {
2361 .name = "commands",
2362 .args_type = "",
2363 .params = "",
2364 .help = "list QMP available commands",
2365 .user_print = monitor_user_noop,
2366 .mhandler.info_new = do_info_commands,
2367 },
2368 {
2369 .name = "network",
2370 .args_type = "",
2371 .params = "",
2372 .help = "show the network state",
2373 .mhandler.info = do_info_network,
2374 },
2375 {
2376 .name = "chardev",
2377 .args_type = "",
2378 .params = "",
2379 .help = "show the character devices",
2380 .user_print = qemu_chr_info_print,
2381 .mhandler.info_new = qemu_chr_info,
2382 },
2383 {
2384 .name = "block",
2385 .args_type = "",
2386 .params = "",
2387 .help = "show the block devices",
2388 .user_print = bdrv_info_print,
2389 .mhandler.info_new = bdrv_info,
2390 },
2391 {
2392 .name = "blockstats",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show block device statistics",
2396 .user_print = bdrv_stats_print,
2397 .mhandler.info_new = bdrv_info_stats,
2398 },
2399 {
2400 .name = "registers",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show the cpu registers",
2404 .mhandler.info = do_info_registers,
2405 },
2406 {
2407 .name = "cpus",
2408 .args_type = "",
2409 .params = "",
2410 .help = "show infos for each CPU",
2411 .user_print = monitor_print_cpus,
2412 .mhandler.info_new = do_info_cpus,
2413 },
2414 {
2415 .name = "history",
2416 .args_type = "",
2417 .params = "",
2418 .help = "show the command line history",
2419 .mhandler.info = do_info_history,
2420 },
2421 {
2422 .name = "irq",
2423 .args_type = "",
2424 .params = "",
2425 .help = "show the interrupts statistics (if available)",
2426 .mhandler.info = irq_info,
2427 },
2428 {
2429 .name = "pic",
2430 .args_type = "",
2431 .params = "",
2432 .help = "show i8259 (PIC) state",
2433 .mhandler.info = pic_info,
2434 },
2435 {
2436 .name = "pci",
2437 .args_type = "",
2438 .params = "",
2439 .help = "show PCI info",
2440 .mhandler.info = pci_info,
2441 },
2442 #if defined(TARGET_I386) || defined(TARGET_SH4)
2443 {
2444 .name = "tlb",
2445 .args_type = "",
2446 .params = "",
2447 .help = "show virtual to physical memory mappings",
2448 .mhandler.info = tlb_info,
2449 },
2450 #endif
2451 #if defined(TARGET_I386)
2452 {
2453 .name = "mem",
2454 .args_type = "",
2455 .params = "",
2456 .help = "show the active virtual memory mappings",
2457 .mhandler.info = mem_info,
2458 },
2459 {
2460 .name = "hpet",
2461 .args_type = "",
2462 .params = "",
2463 .help = "show state of HPET",
2464 .user_print = do_info_hpet_print,
2465 .mhandler.info_new = do_info_hpet,
2466 },
2467 #endif
2468 {
2469 .name = "jit",
2470 .args_type = "",
2471 .params = "",
2472 .help = "show dynamic compiler info",
2473 .mhandler.info = do_info_jit,
2474 },
2475 {
2476 .name = "kvm",
2477 .args_type = "",
2478 .params = "",
2479 .help = "show KVM information",
2480 .user_print = do_info_kvm_print,
2481 .mhandler.info_new = do_info_kvm,
2482 },
2483 {
2484 .name = "numa",
2485 .args_type = "",
2486 .params = "",
2487 .help = "show NUMA information",
2488 .mhandler.info = do_info_numa,
2489 },
2490 {
2491 .name = "usb",
2492 .args_type = "",
2493 .params = "",
2494 .help = "show guest USB devices",
2495 .mhandler.info = usb_info,
2496 },
2497 {
2498 .name = "usbhost",
2499 .args_type = "",
2500 .params = "",
2501 .help = "show host USB devices",
2502 .mhandler.info = usb_host_info,
2503 },
2504 {
2505 .name = "profile",
2506 .args_type = "",
2507 .params = "",
2508 .help = "show profiling information",
2509 .mhandler.info = do_info_profile,
2510 },
2511 {
2512 .name = "capture",
2513 .args_type = "",
2514 .params = "",
2515 .help = "show capture information",
2516 .mhandler.info = do_info_capture,
2517 },
2518 {
2519 .name = "snapshots",
2520 .args_type = "",
2521 .params = "",
2522 .help = "show the currently saved VM snapshots",
2523 .mhandler.info = do_info_snapshots,
2524 },
2525 {
2526 .name = "status",
2527 .args_type = "",
2528 .params = "",
2529 .help = "show the current VM status (running|paused)",
2530 .user_print = do_info_status_print,
2531 .mhandler.info_new = do_info_status,
2532 },
2533 {
2534 .name = "pcmcia",
2535 .args_type = "",
2536 .params = "",
2537 .help = "show guest PCMCIA status",
2538 .mhandler.info = pcmcia_info,
2539 },
2540 {
2541 .name = "mice",
2542 .args_type = "",
2543 .params = "",
2544 .help = "show which guest mouse is receiving events",
2545 .user_print = do_info_mice_print,
2546 .mhandler.info_new = do_info_mice,
2547 },
2548 {
2549 .name = "vnc",
2550 .args_type = "",
2551 .params = "",
2552 .help = "show the vnc server status",
2553 .user_print = do_info_vnc_print,
2554 .mhandler.info_new = do_info_vnc,
2555 },
2556 {
2557 .name = "name",
2558 .args_type = "",
2559 .params = "",
2560 .help = "show the current VM name",
2561 .user_print = do_info_name_print,
2562 .mhandler.info_new = do_info_name,
2563 },
2564 {
2565 .name = "uuid",
2566 .args_type = "",
2567 .params = "",
2568 .help = "show the current VM UUID",
2569 .user_print = do_info_uuid_print,
2570 .mhandler.info_new = do_info_uuid,
2571 },
2572 #if defined(TARGET_PPC)
2573 {
2574 .name = "cpustats",
2575 .args_type = "",
2576 .params = "",
2577 .help = "show CPU statistics",
2578 .mhandler.info = do_info_cpu_stats,
2579 },
2580 #endif
2581 #if defined(CONFIG_SLIRP)
2582 {
2583 .name = "usernet",
2584 .args_type = "",
2585 .params = "",
2586 .help = "show user network stack connection states",
2587 .mhandler.info = do_info_usernet,
2588 },
2589 #endif
2590 {
2591 .name = "migrate",
2592 .args_type = "",
2593 .params = "",
2594 .help = "show migration status",
2595 .user_print = do_info_migrate_print,
2596 .mhandler.info_new = do_info_migrate,
2597 },
2598 {
2599 .name = "balloon",
2600 .args_type = "",
2601 .params = "",
2602 .help = "show balloon information",
2603 .user_print = monitor_print_balloon,
2604 .mhandler.info_new = do_info_balloon,
2605 },
2606 {
2607 .name = "qtree",
2608 .args_type = "",
2609 .params = "",
2610 .help = "show device tree",
2611 .mhandler.info = do_info_qtree,
2612 },
2613 {
2614 .name = "qdm",
2615 .args_type = "",
2616 .params = "",
2617 .help = "show qdev device model list",
2618 .mhandler.info = do_info_qdm,
2619 },
2620 {
2621 .name = "roms",
2622 .args_type = "",
2623 .params = "",
2624 .help = "show roms",
2625 .mhandler.info = do_info_roms,
2626 },
2627 {
2628 .name = NULL,
2629 },
2630 };
2631
2632 /*******************************************************************/
2633
2634 static const char *pch;
2635 static jmp_buf expr_env;
2636
2637 #define MD_TLONG 0
2638 #define MD_I32 1
2639
2640 typedef struct MonitorDef {
2641 const char *name;
2642 int offset;
2643 target_long (*get_value)(const struct MonitorDef *md, int val);
2644 int type;
2645 } MonitorDef;
2646
2647 #if defined(TARGET_I386)
2648 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2649 {
2650 CPUState *env = mon_get_cpu();
2651 return env->eip + env->segs[R_CS].base;
2652 }
2653 #endif
2654
2655 #if defined(TARGET_PPC)
2656 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2657 {
2658 CPUState *env = mon_get_cpu();
2659 unsigned int u;
2660 int i;
2661
2662 u = 0;
2663 for (i = 0; i < 8; i++)
2664 u |= env->crf[i] << (32 - (4 * i));
2665
2666 return u;
2667 }
2668
2669 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2670 {
2671 CPUState *env = mon_get_cpu();
2672 return env->msr;
2673 }
2674
2675 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2676 {
2677 CPUState *env = mon_get_cpu();
2678 return env->xer;
2679 }
2680
2681 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2682 {
2683 CPUState *env = mon_get_cpu();
2684 return cpu_ppc_load_decr(env);
2685 }
2686
2687 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2688 {
2689 CPUState *env = mon_get_cpu();
2690 return cpu_ppc_load_tbu(env);
2691 }
2692
2693 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2694 {
2695 CPUState *env = mon_get_cpu();
2696 return cpu_ppc_load_tbl(env);
2697 }
2698 #endif
2699
2700 #if defined(TARGET_SPARC)
2701 #ifndef TARGET_SPARC64
2702 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2703 {
2704 CPUState *env = mon_get_cpu();
2705 return GET_PSR(env);
2706 }
2707 #endif
2708
2709 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2710 {
2711 CPUState *env = mon_get_cpu();
2712 return env->regwptr[val];
2713 }
2714 #endif
2715
2716 static const MonitorDef monitor_defs[] = {
2717 #ifdef TARGET_I386
2718
2719 #define SEG(name, seg) \
2720 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2721 { name ".base", offsetof(CPUState, segs[seg].base) },\
2722 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2723
2724 { "eax", offsetof(CPUState, regs[0]) },
2725 { "ecx", offsetof(CPUState, regs[1]) },
2726 { "edx", offsetof(CPUState, regs[2]) },
2727 { "ebx", offsetof(CPUState, regs[3]) },
2728 { "esp|sp", offsetof(CPUState, regs[4]) },
2729 { "ebp|fp", offsetof(CPUState, regs[5]) },
2730 { "esi", offsetof(CPUState, regs[6]) },
2731 { "edi", offsetof(CPUState, regs[7]) },
2732 #ifdef TARGET_X86_64
2733 { "r8", offsetof(CPUState, regs[8]) },
2734 { "r9", offsetof(CPUState, regs[9]) },
2735 { "r10", offsetof(CPUState, regs[10]) },
2736 { "r11", offsetof(CPUState, regs[11]) },
2737 { "r12", offsetof(CPUState, regs[12]) },
2738 { "r13", offsetof(CPUState, regs[13]) },
2739 { "r14", offsetof(CPUState, regs[14]) },
2740 { "r15", offsetof(CPUState, regs[15]) },
2741 #endif
2742 { "eflags", offsetof(CPUState, eflags) },
2743 { "eip", offsetof(CPUState, eip) },
2744 SEG("cs", R_CS)
2745 SEG("ds", R_DS)
2746 SEG("es", R_ES)
2747 SEG("ss", R_SS)
2748 SEG("fs", R_FS)
2749 SEG("gs", R_GS)
2750 { "pc", 0, monitor_get_pc, },
2751 #elif defined(TARGET_PPC)
2752 /* General purpose registers */
2753 { "r0", offsetof(CPUState, gpr[0]) },
2754 { "r1", offsetof(CPUState, gpr[1]) },
2755 { "r2", offsetof(CPUState, gpr[2]) },
2756 { "r3", offsetof(CPUState, gpr[3]) },
2757 { "r4", offsetof(CPUState, gpr[4]) },
2758 { "r5", offsetof(CPUState, gpr[5]) },
2759 { "r6", offsetof(CPUState, gpr[6]) },
2760 { "r7", offsetof(CPUState, gpr[7]) },
2761 { "r8", offsetof(CPUState, gpr[8]) },
2762 { "r9", offsetof(CPUState, gpr[9]) },
2763 { "r10", offsetof(CPUState, gpr[10]) },
2764 { "r11", offsetof(CPUState, gpr[11]) },
2765 { "r12", offsetof(CPUState, gpr[12]) },
2766 { "r13", offsetof(CPUState, gpr[13]) },
2767 { "r14", offsetof(CPUState, gpr[14]) },
2768 { "r15", offsetof(CPUState, gpr[15]) },
2769 { "r16", offsetof(CPUState, gpr[16]) },
2770 { "r17", offsetof(CPUState, gpr[17]) },
2771 { "r18", offsetof(CPUState, gpr[18]) },
2772 { "r19", offsetof(CPUState, gpr[19]) },
2773 { "r20", offsetof(CPUState, gpr[20]) },
2774 { "r21", offsetof(CPUState, gpr[21]) },
2775 { "r22", offsetof(CPUState, gpr[22]) },
2776 { "r23", offsetof(CPUState, gpr[23]) },
2777 { "r24", offsetof(CPUState, gpr[24]) },
2778 { "r25", offsetof(CPUState, gpr[25]) },
2779 { "r26", offsetof(CPUState, gpr[26]) },
2780 { "r27", offsetof(CPUState, gpr[27]) },
2781 { "r28", offsetof(CPUState, gpr[28]) },
2782 { "r29", offsetof(CPUState, gpr[29]) },
2783 { "r30", offsetof(CPUState, gpr[30]) },
2784 { "r31", offsetof(CPUState, gpr[31]) },
2785 /* Floating point registers */
2786 { "f0", offsetof(CPUState, fpr[0]) },
2787 { "f1", offsetof(CPUState, fpr[1]) },
2788 { "f2", offsetof(CPUState, fpr[2]) },
2789 { "f3", offsetof(CPUState, fpr[3]) },
2790 { "f4", offsetof(CPUState, fpr[4]) },
2791 { "f5", offsetof(CPUState, fpr[5]) },
2792 { "f6", offsetof(CPUState, fpr[6]) },
2793 { "f7", offsetof(CPUState, fpr[7]) },
2794 { "f8", offsetof(CPUState, fpr[8]) },
2795 { "f9", offsetof(CPUState, fpr[9]) },
2796 { "f10", offsetof(CPUState, fpr[10]) },
2797 { "f11", offsetof(CPUState, fpr[11]) },
2798 { "f12", offsetof(CPUState, fpr[12]) },
2799 { "f13", offsetof(CPUState, fpr[13]) },
2800 { "f14", offsetof(CPUState, fpr[14]) },
2801 { "f15", offsetof(CPUState, fpr[15]) },
2802 { "f16", offsetof(CPUState, fpr[16]) },
2803 { "f17", offsetof(CPUState, fpr[17]) },
2804 { "f18", offsetof(CPUState, fpr[18]) },
2805 { "f19", offsetof(CPUState, fpr[19]) },
2806 { "f20", offsetof(CPUState, fpr[20]) },
2807 { "f21", offsetof(CPUState, fpr[21]) },
2808 { "f22", offsetof(CPUState, fpr[22]) },
2809 { "f23", offsetof(CPUState, fpr[23]) },
2810 { "f24", offsetof(CPUState, fpr[24]) },
2811 { "f25", offsetof(CPUState, fpr[25]) },
2812 { "f26", offsetof(CPUState, fpr[26]) },
2813 { "f27", offsetof(CPUState, fpr[27]) },
2814 { "f28", offsetof(CPUState, fpr[28]) },
2815 { "f29", offsetof(CPUState, fpr[29]) },
2816 { "f30", offsetof(CPUState, fpr[30]) },
2817 { "f31", offsetof(CPUState, fpr[31]) },
2818 { "fpscr", offsetof(CPUState, fpscr) },
2819 /* Next instruction pointer */
2820 { "nip|pc", offsetof(CPUState, nip) },
2821 { "lr", offsetof(CPUState, lr) },
2822 { "ctr", offsetof(CPUState, ctr) },
2823 { "decr", 0, &monitor_get_decr, },
2824 { "ccr", 0, &monitor_get_ccr, },
2825 /* Machine state register */
2826 { "msr", 0, &monitor_get_msr, },
2827 { "xer", 0, &monitor_get_xer, },
2828 { "tbu", 0, &monitor_get_tbu, },
2829 { "tbl", 0, &monitor_get_tbl, },
2830 #if defined(TARGET_PPC64)
2831 /* Address space register */
2832 { "asr", offsetof(CPUState, asr) },
2833 #endif
2834 /* Segment registers */
2835 { "sdr1", offsetof(CPUState, sdr1) },
2836 { "sr0", offsetof(CPUState, sr[0]) },
2837 { "sr1", offsetof(CPUState, sr[1]) },
2838 { "sr2", offsetof(CPUState, sr[2]) },
2839 { "sr3", offsetof(CPUState, sr[3]) },
2840 { "sr4", offsetof(CPUState, sr[4]) },
2841 { "sr5", offsetof(CPUState, sr[5]) },
2842 { "sr6", offsetof(CPUState, sr[6]) },
2843 { "sr7", offsetof(CPUState, sr[7]) },
2844 { "sr8", offsetof(CPUState, sr[8]) },
2845 { "sr9", offsetof(CPUState, sr[9]) },
2846 { "sr10", offsetof(CPUState, sr[10]) },
2847 { "sr11", offsetof(CPUState, sr[11]) },
2848 { "sr12", offsetof(CPUState, sr[12]) },
2849 { "sr13", offsetof(CPUState, sr[13]) },
2850 { "sr14", offsetof(CPUState, sr[14]) },
2851 { "sr15", offsetof(CPUState, sr[15]) },
2852 /* Too lazy to put BATs and SPRs ... */
2853 #elif defined(TARGET_SPARC)
2854 { "g0", offsetof(CPUState, gregs[0]) },
2855 { "g1", offsetof(CPUState, gregs[1]) },
2856 { "g2", offsetof(CPUState, gregs[2]) },
2857 { "g3", offsetof(CPUState, gregs[3]) },
2858 { "g4", offsetof(CPUState, gregs[4]) },
2859 { "g5", offsetof(CPUState, gregs[5]) },
2860 { "g6", offsetof(CPUState, gregs[6]) },
2861 { "g7", offsetof(CPUState, gregs[7]) },
2862 { "o0", 0, monitor_get_reg },
2863 { "o1", 1, monitor_get_reg },
2864 { "o2", 2, monitor_get_reg },
2865 { "o3", 3, monitor_get_reg },
2866 { "o4", 4, monitor_get_reg },
2867 { "o5", 5, monitor_get_reg },
2868 { "o6", 6, monitor_get_reg },
2869 { "o7", 7, monitor_get_reg },
2870 { "l0", 8, monitor_get_reg },
2871 { "l1", 9, monitor_get_reg },
2872 { "l2", 10, monitor_get_reg },
2873 { "l3", 11, monitor_get_reg },
2874 { "l4", 12, monitor_get_reg },
2875 { "l5", 13, monitor_get_reg },
2876 { "l6", 14, monitor_get_reg },
2877 { "l7", 15, monitor_get_reg },
2878 { "i0", 16, monitor_get_reg },
2879 { "i1", 17, monitor_get_reg },
2880 { "i2", 18, monitor_get_reg },
2881 { "i3", 19, monitor_get_reg },
2882 { "i4", 20, monitor_get_reg },
2883 { "i5", 21, monitor_get_reg },
2884 { "i6", 22, monitor_get_reg },
2885 { "i7", 23, monitor_get_reg },
2886 { "pc", offsetof(CPUState, pc) },
2887 { "npc", offsetof(CPUState, npc) },
2888 { "y", offsetof(CPUState, y) },
2889 #ifndef TARGET_SPARC64
2890 { "psr", 0, &monitor_get_psr, },
2891 { "wim", offsetof(CPUState, wim) },
2892 #endif
2893 { "tbr", offsetof(CPUState, tbr) },
2894 { "fsr", offsetof(CPUState, fsr) },
2895 { "f0", offsetof(CPUState, fpr[0]) },
2896 { "f1", offsetof(CPUState, fpr[1]) },
2897 { "f2", offsetof(CPUState, fpr[2]) },
2898 { "f3", offsetof(CPUState, fpr[3]) },
2899 { "f4", offsetof(CPUState, fpr[4]) },
2900 { "f5", offsetof(CPUState, fpr[5]) },
2901 { "f6", offsetof(CPUState, fpr[6]) },
2902 { "f7", offsetof(CPUState, fpr[7]) },
2903 { "f8", offsetof(CPUState, fpr[8]) },
2904 { "f9", offsetof(CPUState, fpr[9]) },
2905 { "f10", offsetof(CPUState, fpr[10]) },
2906 { "f11", offsetof(CPUState, fpr[11]) },
2907 { "f12", offsetof(CPUState, fpr[12]) },
2908 { "f13", offsetof(CPUState, fpr[13]) },
2909 { "f14", offsetof(CPUState, fpr[14]) },
2910 { "f15", offsetof(CPUState, fpr[15]) },
2911 { "f16", offsetof(CPUState, fpr[16]) },
2912 { "f17", offsetof(CPUState, fpr[17]) },
2913 { "f18", offsetof(CPUState, fpr[18]) },
2914 { "f19", offsetof(CPUState, fpr[19]) },
2915 { "f20", offsetof(CPUState, fpr[20]) },
2916 { "f21", offsetof(CPUState, fpr[21]) },
2917 { "f22", offsetof(CPUState, fpr[22]) },
2918 { "f23", offsetof(CPUState, fpr[23]) },
2919 { "f24", offsetof(CPUState, fpr[24]) },
2920 { "f25", offsetof(CPUState, fpr[25]) },
2921 { "f26", offsetof(CPUState, fpr[26]) },
2922 { "f27", offsetof(CPUState, fpr[27]) },
2923 { "f28", offsetof(CPUState, fpr[28]) },
2924 { "f29", offsetof(CPUState, fpr[29]) },
2925 { "f30", offsetof(CPUState, fpr[30]) },
2926 { "f31", offsetof(CPUState, fpr[31]) },
2927 #ifdef TARGET_SPARC64
2928 { "f32", offsetof(CPUState, fpr[32]) },
2929 { "f34", offsetof(CPUState, fpr[34]) },
2930 { "f36", offsetof(CPUState, fpr[36]) },
2931 { "f38", offsetof(CPUState, fpr[38]) },
2932 { "f40", offsetof(CPUState, fpr[40]) },
2933 { "f42", offsetof(CPUState, fpr[42]) },
2934 { "f44", offsetof(CPUState, fpr[44]) },
2935 { "f46", offsetof(CPUState, fpr[46]) },
2936 { "f48", offsetof(CPUState, fpr[48]) },
2937 { "f50", offsetof(CPUState, fpr[50]) },
2938 { "f52", offsetof(CPUState, fpr[52]) },
2939 { "f54", offsetof(CPUState, fpr[54]) },
2940 { "f56", offsetof(CPUState, fpr[56]) },
2941 { "f58", offsetof(CPUState, fpr[58]) },
2942 { "f60", offsetof(CPUState, fpr[60]) },
2943 { "f62", offsetof(CPUState, fpr[62]) },
2944 { "asi", offsetof(CPUState, asi) },
2945 { "pstate", offsetof(CPUState, pstate) },
2946 { "cansave", offsetof(CPUState, cansave) },
2947 { "canrestore", offsetof(CPUState, canrestore) },
2948 { "otherwin", offsetof(CPUState, otherwin) },
2949 { "wstate", offsetof(CPUState, wstate) },
2950 { "cleanwin", offsetof(CPUState, cleanwin) },
2951 { "fprs", offsetof(CPUState, fprs) },
2952 #endif
2953 #endif
2954 { NULL },
2955 };
2956
2957 static void expr_error(Monitor *mon, const char *msg)
2958 {
2959 monitor_printf(mon, "%s\n", msg);
2960 longjmp(expr_env, 1);
2961 }
2962
2963 /* return 0 if OK, -1 if not found */
2964 static int get_monitor_def(target_long *pval, const char *name)
2965 {
2966 const MonitorDef *md;
2967 void *ptr;
2968
2969 for(md = monitor_defs; md->name != NULL; md++) {
2970 if (compare_cmd(name, md->name)) {
2971 if (md->get_value) {
2972 *pval = md->get_value(md, md->offset);
2973 } else {
2974 CPUState *env = mon_get_cpu();
2975 ptr = (uint8_t *)env + md->offset;
2976 switch(md->type) {
2977 case MD_I32:
2978 *pval = *(int32_t *)ptr;
2979 break;
2980 case MD_TLONG:
2981 *pval = *(target_long *)ptr;
2982 break;
2983 default:
2984 *pval = 0;
2985 break;
2986 }
2987 }
2988 return 0;
2989 }
2990 }
2991 return -1;
2992 }
2993
2994 static void next(void)
2995 {
2996 if (*pch != '\0') {
2997 pch++;
2998 while (qemu_isspace(*pch))
2999 pch++;
3000 }
3001 }
3002
3003 static int64_t expr_sum(Monitor *mon);
3004
3005 static int64_t expr_unary(Monitor *mon)
3006 {
3007 int64_t n;
3008 char *p;
3009 int ret;
3010
3011 switch(*pch) {
3012 case '+':
3013 next();
3014 n = expr_unary(mon);
3015 break;
3016 case '-':
3017 next();
3018 n = -expr_unary(mon);
3019 break;
3020 case '~':
3021 next();
3022 n = ~expr_unary(mon);
3023 break;
3024 case '(':
3025 next();
3026 n = expr_sum(mon);
3027 if (*pch != ')') {
3028 expr_error(mon, "')' expected");
3029 }
3030 next();
3031 break;
3032 case '\'':
3033 pch++;
3034 if (*pch == '\0')
3035 expr_error(mon, "character constant expected");
3036 n = *pch;
3037 pch++;
3038 if (*pch != '\'')
3039 expr_error(mon, "missing terminating \' character");
3040 next();
3041 break;
3042 case '$':
3043 {
3044 char buf[128], *q;
3045 target_long reg=0;
3046
3047 pch++;
3048 q = buf;
3049 while ((*pch >= 'a' && *pch <= 'z') ||
3050 (*pch >= 'A' && *pch <= 'Z') ||
3051 (*pch >= '0' && *pch <= '9') ||
3052 *pch == '_' || *pch == '.') {
3053 if ((q - buf) < sizeof(buf) - 1)
3054 *q++ = *pch;
3055 pch++;
3056 }
3057 while (qemu_isspace(*pch))
3058 pch++;
3059 *q = 0;
3060 ret = get_monitor_def(&reg, buf);
3061 if (ret < 0)
3062 expr_error(mon, "unknown register");
3063 n = reg;
3064 }
3065 break;
3066 case '\0':
3067 expr_error(mon, "unexpected end of expression");
3068 n = 0;
3069 break;
3070 default:
3071 #if TARGET_PHYS_ADDR_BITS > 32
3072 n = strtoull(pch, &p, 0);
3073 #else
3074 n = strtoul(pch, &p, 0);
3075 #endif
3076 if (pch == p) {
3077 expr_error(mon, "invalid char in expression");
3078 }
3079 pch = p;
3080 while (qemu_isspace(*pch))
3081 pch++;
3082 break;
3083 }
3084 return n;
3085 }
3086
3087
3088 static int64_t expr_prod(Monitor *mon)
3089 {
3090 int64_t val, val2;
3091 int op;
3092
3093 val = expr_unary(mon);
3094 for(;;) {
3095 op = *pch;
3096 if (op != '*' && op != '/' && op != '%')
3097 break;
3098 next();
3099 val2 = expr_unary(mon);
3100 switch(op) {
3101 default:
3102 case '*':
3103 val *= val2;
3104 break;
3105 case '/':
3106 case '%':
3107 if (val2 == 0)
3108 expr_error(mon, "division by zero");
3109 if (op == '/')
3110 val /= val2;
3111 else
3112 val %= val2;
3113 break;
3114 }
3115 }
3116 return val;
3117 }
3118
3119 static int64_t expr_logic(Monitor *mon)
3120 {
3121 int64_t val, val2;
3122 int op;
3123
3124 val = expr_prod(mon);
3125 for(;;) {
3126 op = *pch;
3127 if (op != '&' && op != '|' && op != '^')
3128 break;
3129 next();
3130 val2 = expr_prod(mon);
3131 switch(op) {
3132 default:
3133 case '&':
3134 val &= val2;
3135 break;
3136 case '|':
3137 val |= val2;
3138 break;
3139 case '^':
3140 val ^= val2;
3141 break;
3142 }
3143 }
3144 return val;
3145 }
3146
3147 static int64_t expr_sum(Monitor *mon)
3148 {
3149 int64_t val, val2;
3150 int op;
3151
3152 val = expr_logic(mon);
3153 for(;;) {
3154 op = *pch;
3155 if (op != '+' && op != '-')
3156 break;
3157 next();
3158 val2 = expr_logic(mon);
3159 if (op == '+')
3160 val += val2;
3161 else
3162 val -= val2;
3163 }
3164 return val;
3165 }
3166
3167 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3168 {
3169 pch = *pp;
3170 if (setjmp(expr_env)) {
3171 *pp = pch;
3172 return -1;
3173 }
3174 while (qemu_isspace(*pch))
3175 pch++;
3176 *pval = expr_sum(mon);
3177 *pp = pch;
3178 return 0;
3179 }
3180
3181 static int get_str(char *buf, int buf_size, const char **pp)
3182 {
3183 const char *p;
3184 char *q;
3185 int c;
3186
3187 q = buf;
3188 p = *pp;
3189 while (qemu_isspace(*p))
3190 p++;
3191 if (*p == '\0') {
3192 fail:
3193 *q = '\0';
3194 *pp = p;
3195 return -1;
3196 }
3197 if (*p == '\"') {
3198 p++;
3199 while (*p != '\0' && *p != '\"') {
3200 if (*p == '\\') {
3201 p++;
3202 c = *p++;
3203 switch(c) {
3204 case 'n':
3205 c = '\n';
3206 break;
3207 case 'r':
3208 c = '\r';
3209 break;
3210 case '\\':
3211 case '\'':
3212 case '\"':
3213 break;
3214 default:
3215 qemu_printf("unsupported escape code: '\\%c'\n", c);
3216 goto fail;
3217 }
3218 if ((q - buf) < buf_size - 1) {
3219 *q++ = c;
3220 }
3221 } else {
3222 if ((q - buf) < buf_size - 1) {
3223 *q++ = *p;
3224 }
3225 p++;
3226 }
3227 }
3228 if (*p != '\"') {
3229 qemu_printf("unterminated string\n");
3230 goto fail;
3231 }
3232 p++;
3233 } else {
3234 while (*p != '\0' && !qemu_isspace(*p)) {
3235 if ((q - buf) < buf_size - 1) {
3236 *q++ = *p;
3237 }
3238 p++;
3239 }
3240 }
3241 *q = '\0';
3242 *pp = p;
3243 return 0;
3244 }
3245
3246 /*
3247 * Store the command-name in cmdname, and return a pointer to
3248 * the remaining of the command string.
3249 */
3250 static const char *get_command_name(const char *cmdline,
3251 char *cmdname, size_t nlen)
3252 {
3253 size_t len;
3254 const char *p, *pstart;
3255
3256 p = cmdline;
3257 while (qemu_isspace(*p))
3258 p++;
3259 if (*p == '\0')
3260 return NULL;
3261 pstart = p;
3262 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3263 p++;
3264 len = p - pstart;
3265 if (len > nlen - 1)
3266 len = nlen - 1;
3267 memcpy(cmdname, pstart, len);
3268 cmdname[len] = '\0';
3269 return p;
3270 }
3271
3272 /**
3273 * Read key of 'type' into 'key' and return the current
3274 * 'type' pointer.
3275 */
3276 static char *key_get_info(const char *type, char **key)
3277 {
3278 size_t len;
3279 char *p, *str;
3280
3281 if (*type == ',')
3282 type++;
3283
3284 p = strchr(type, ':');
3285 if (!p) {
3286 *key = NULL;
3287 return NULL;
3288 }
3289 len = p - type;
3290
3291 str = qemu_malloc(len + 1);
3292 memcpy(str, type, len);
3293 str[len] = '\0';
3294
3295 *key = str;
3296 return ++p;
3297 }
3298
3299 static int default_fmt_format = 'x';
3300 static int default_fmt_size = 4;
3301
3302 #define MAX_ARGS 16
3303
3304 static int is_valid_option(const char *c, const char *typestr)
3305 {
3306 char option[3];
3307
3308 option[0] = '-';
3309 option[1] = *c;
3310 option[2] = '\0';
3311
3312 typestr = strstr(typestr, option);
3313 return (typestr != NULL);
3314 }
3315
3316 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3317 {
3318 const mon_cmd_t *cmd;
3319
3320 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3321 if (compare_cmd(cmdname, cmd->name)) {
3322 return cmd;
3323 }
3324 }
3325
3326 return NULL;
3327 }
3328
3329 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3330 const char *cmdline,
3331 QDict *qdict)
3332 {
3333 const char *p, *typestr;
3334 int c;
3335 const mon_cmd_t *cmd;
3336 char cmdname[256];
3337 char buf[1024];
3338 char *key;
3339
3340 #ifdef DEBUG
3341 monitor_printf(mon, "command='%s'\n", cmdline);
3342 #endif
3343
3344 /* extract the command name */
3345 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3346 if (!p)
3347 return NULL;
3348
3349 cmd = monitor_find_command(cmdname);
3350 if (!cmd) {
3351 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3352 return NULL;
3353 }
3354
3355 /* parse the parameters */
3356 typestr = cmd->args_type;
3357 for(;;) {
3358 typestr = key_get_info(typestr, &key);
3359 if (!typestr)
3360 break;
3361 c = *typestr;
3362 typestr++;
3363 switch(c) {
3364 case 'F':
3365 case 'B':
3366 case 's':
3367 {
3368 int ret;
3369
3370 while (qemu_isspace(*p))
3371 p++;
3372 if (*typestr == '?') {
3373 typestr++;
3374 if (*p == '\0') {
3375 /* no optional string: NULL argument */
3376 break;
3377 }
3378 }
3379 ret = get_str(buf, sizeof(buf), &p);
3380 if (ret < 0) {
3381 switch(c) {
3382 case 'F':
3383 monitor_printf(mon, "%s: filename expected\n",
3384 cmdname);
3385 break;
3386 case 'B':
3387 monitor_printf(mon, "%s: block device name expected\n",
3388 cmdname);
3389 break;
3390 default:
3391 monitor_printf(mon, "%s: string expected\n", cmdname);
3392 break;
3393 }
3394 goto fail;
3395 }
3396 qdict_put(qdict, key, qstring_from_str(buf));
3397 }
3398 break;
3399 case '/':
3400 {
3401 int count, format, size;
3402
3403 while (qemu_isspace(*p))
3404 p++;
3405 if (*p == '/') {
3406 /* format found */
3407 p++;
3408 count = 1;
3409 if (qemu_isdigit(*p)) {
3410 count = 0;
3411 while (qemu_isdigit(*p)) {
3412 count = count * 10 + (*p - '0');
3413 p++;
3414 }
3415 }
3416 size = -1;
3417 format = -1;
3418 for(;;) {
3419 switch(*p) {
3420 case 'o':
3421 case 'd':
3422 case 'u':
3423 case 'x':
3424 case 'i':
3425 case 'c':
3426 format = *p++;
3427 break;
3428 case 'b':
3429 size = 1;
3430 p++;
3431 break;
3432 case 'h':
3433 size = 2;
3434 p++;
3435 break;
3436 case 'w':
3437 size = 4;
3438 p++;
3439 break;
3440 case 'g':
3441 case 'L':
3442 size = 8;
3443 p++;
3444 break;
3445 default:
3446 goto next;
3447 }
3448 }
3449 next:
3450 if (*p != '\0' && !qemu_isspace(*p)) {
3451 monitor_printf(mon, "invalid char in format: '%c'\n",
3452 *p);
3453 goto fail;
3454 }
3455 if (format < 0)
3456 format = default_fmt_format;
3457 if (format != 'i') {
3458 /* for 'i', not specifying a size gives -1 as size */
3459 if (size < 0)
3460 size = default_fmt_size;
3461 default_fmt_size = size;
3462 }
3463 default_fmt_format = format;
3464 } else {
3465 count = 1;
3466 format = default_fmt_format;
3467 if (format != 'i') {
3468 size = default_fmt_size;
3469 } else {
3470 size = -1;
3471 }
3472 }
3473 qdict_put(qdict, "count", qint_from_int(count));
3474 qdict_put(qdict, "format", qint_from_int(format));
3475 qdict_put(qdict, "size", qint_from_int(size));
3476 }
3477 break;
3478 case 'i':
3479 case 'l':
3480 case 'M':
3481 {
3482 int64_t val;
3483
3484 while (qemu_isspace(*p))
3485 p++;
3486 if (*typestr == '?' || *typestr == '.') {
3487 if (*typestr == '?') {
3488 if (*p == '\0') {
3489 typestr++;
3490 break;
3491 }
3492 } else {
3493 if (*p == '.') {
3494 p++;
3495 while (qemu_isspace(*p))
3496 p++;
3497 } else {
3498 typestr++;
3499 break;
3500 }
3501 }
3502 typestr++;
3503 }
3504 if (get_expr(mon, &val, &p))
3505 goto fail;
3506 /* Check if 'i' is greater than 32-bit */
3507 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3508 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3509 monitor_printf(mon, "integer is for 32-bit values\n");
3510 goto fail;
3511 } else if (c == 'M') {
3512 val <<= 20;
3513 }
3514 qdict_put(qdict, key, qint_from_int(val));
3515 }
3516 break;
3517 case '-':
3518 {
3519 const char *tmp = p;
3520 int has_option, skip_key = 0;
3521 /* option */
3522
3523 c = *typestr++;
3524 if (c == '\0')
3525 goto bad_type;
3526 while (qemu_isspace(*p))
3527 p++;
3528 has_option = 0;
3529 if (*p == '-') {
3530 p++;
3531 if(c != *p) {
3532 if(!is_valid_option(p, typestr)) {
3533
3534 monitor_printf(mon, "%s: unsupported option -%c\n",
3535 cmdname, *p);
3536 goto fail;
3537 } else {
3538 skip_key = 1;
3539 }
3540 }
3541 if(skip_key) {
3542 p = tmp;
3543 } else {
3544 p++;
3545 has_option = 1;
3546 }
3547 }
3548 qdict_put(qdict, key, qint_from_int(has_option));
3549 }
3550 break;
3551 default:
3552 bad_type:
3553 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3554 goto fail;
3555 }
3556 qemu_free(key);
3557 key = NULL;
3558 }
3559 /* check that all arguments were parsed */
3560 while (qemu_isspace(*p))
3561 p++;
3562 if (*p != '\0') {
3563 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3564 cmdname);
3565 goto fail;
3566 }
3567
3568 return cmd;
3569
3570 fail:
3571 qemu_free(key);
3572 return NULL;
3573 }
3574
3575 static void monitor_print_error(Monitor *mon)
3576 {
3577 qerror_print(mon->error);
3578 QDECREF(mon->error);
3579 mon->error = NULL;
3580 }
3581
3582 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3583 const QDict *params)
3584 {
3585 QObject *data = NULL;
3586
3587 cmd->mhandler.cmd_new(mon, params, &data);
3588
3589 if (monitor_ctrl_mode(mon)) {
3590 /* Monitor Protocol */
3591 monitor_protocol_emitter(mon, data);
3592 } else {
3593 /* User Protocol */
3594 if (data)
3595 cmd->user_print(mon, data);
3596 }
3597
3598 qobject_decref(data);
3599 }
3600
3601 static void handle_user_command(Monitor *mon, const char *cmdline)
3602 {
3603 QDict *qdict;
3604 const mon_cmd_t *cmd;
3605
3606 qdict = qdict_new();
3607
3608 cmd = monitor_parse_command(mon, cmdline, qdict);
3609 if (!cmd)
3610 goto out;
3611
3612 qemu_errors_to_mon(mon);
3613
3614 if (monitor_handler_ported(cmd)) {
3615 monitor_call_handler(mon, cmd, qdict);
3616 } else {
3617 cmd->mhandler.cmd(mon, qdict);
3618 }
3619
3620 if (monitor_has_error(mon))
3621 monitor_print_error(mon);
3622
3623 qemu_errors_to_previous();
3624
3625 out:
3626 QDECREF(qdict);
3627 }
3628
3629 static void cmd_completion(const char *name, const char *list)
3630 {
3631 const char *p, *pstart;
3632 char cmd[128];
3633 int len;
3634
3635 p = list;
3636 for(;;) {
3637 pstart = p;
3638 p = strchr(p, '|');
3639 if (!p)
3640 p = pstart + strlen(pstart);
3641 len = p - pstart;
3642 if (len > sizeof(cmd) - 2)
3643 len = sizeof(cmd) - 2;
3644 memcpy(cmd, pstart, len);
3645 cmd[len] = '\0';
3646 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3647 readline_add_completion(cur_mon->rs, cmd);
3648 }
3649 if (*p == '\0')
3650 break;
3651 p++;
3652 }
3653 }
3654
3655 static void file_completion(const char *input)
3656 {
3657 DIR *ffs;
3658 struct dirent *d;
3659 char path[1024];
3660 char file[1024], file_prefix[1024];
3661 int input_path_len;
3662 const char *p;
3663
3664 p = strrchr(input, '/');
3665 if (!p) {
3666 input_path_len = 0;
3667 pstrcpy(file_prefix, sizeof(file_prefix), input);
3668 pstrcpy(path, sizeof(path), ".");
3669 } else {
3670 input_path_len = p - input + 1;
3671 memcpy(path, input, input_path_len);
3672 if (input_path_len > sizeof(path) - 1)
3673 input_path_len = sizeof(path) - 1;
3674 path[input_path_len] = '\0';
3675 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3676 }
3677 #ifdef DEBUG_COMPLETION
3678 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3679 input, path, file_prefix);
3680 #endif
3681 ffs = opendir(path);
3682 if (!ffs)
3683 return;
3684 for(;;) {
3685 struct stat sb;
3686 d = readdir(ffs);
3687 if (!d)
3688 break;
3689 if (strstart(d->d_name, file_prefix, NULL)) {
3690 memcpy(file, input, input_path_len);
3691 if (input_path_len < sizeof(file))
3692 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3693 d->d_name);
3694 /* stat the file to find out if it's a directory.
3695 * In that case add a slash to speed up typing long paths
3696 */
3697 stat(file, &sb);
3698 if(S_ISDIR(sb.st_mode))
3699 pstrcat(file, sizeof(file), "/");
3700 readline_add_completion(cur_mon->rs, file);
3701 }
3702 }
3703 closedir(ffs);
3704 }
3705
3706 static void block_completion_it(void *opaque, BlockDriverState *bs)
3707 {
3708 const char *name = bdrv_get_device_name(bs);
3709 const char *input = opaque;
3710
3711 if (input[0] == '\0' ||
3712 !strncmp(name, (char *)input, strlen(input))) {
3713 readline_add_completion(cur_mon->rs, name);
3714 }
3715 }
3716
3717 /* NOTE: this parser is an approximate form of the real command parser */
3718 static void parse_cmdline(const char *cmdline,
3719 int *pnb_args, char **args)
3720 {
3721 const char *p;
3722 int nb_args, ret;
3723 char buf[1024];
3724
3725 p = cmdline;
3726 nb_args = 0;
3727 for(;;) {
3728 while (qemu_isspace(*p))
3729 p++;
3730 if (*p == '\0')
3731 break;
3732 if (nb_args >= MAX_ARGS)
3733 break;
3734 ret = get_str(buf, sizeof(buf), &p);
3735 args[nb_args] = qemu_strdup(buf);
3736 nb_args++;
3737 if (ret < 0)
3738 break;
3739 }
3740 *pnb_args = nb_args;
3741 }
3742
3743 static const char *next_arg_type(const char *typestr)
3744 {
3745 const char *p = strchr(typestr, ':');
3746 return (p != NULL ? ++p : typestr);
3747 }
3748
3749 static void monitor_find_completion(const char *cmdline)
3750 {
3751 const char *cmdname;
3752 char *args[MAX_ARGS];
3753 int nb_args, i, len;
3754 const char *ptype, *str;
3755 const mon_cmd_t *cmd;
3756 const KeyDef *key;
3757
3758 parse_cmdline(cmdline, &nb_args, args);
3759 #ifdef DEBUG_COMPLETION
3760 for(i = 0; i < nb_args; i++) {
3761 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3762 }
3763 #endif
3764
3765 /* if the line ends with a space, it means we want to complete the
3766 next arg */
3767 len = strlen(cmdline);
3768 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3769 if (nb_args >= MAX_ARGS)
3770 return;
3771 args[nb_args++] = qemu_strdup("");
3772 }
3773 if (nb_args <= 1) {
3774 /* command completion */
3775 if (nb_args == 0)
3776 cmdname = "";
3777 else
3778 cmdname = args[0];
3779 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3780 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3781 cmd_completion(cmdname, cmd->name);
3782 }
3783 } else {
3784 /* find the command */
3785 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3786 if (compare_cmd(args[0], cmd->name))
3787 goto found;
3788 }
3789 return;
3790 found:
3791 ptype = next_arg_type(cmd->args_type);
3792 for(i = 0; i < nb_args - 2; i++) {
3793 if (*ptype != '\0') {
3794 ptype = next_arg_type(ptype);
3795 while (*ptype == '?')
3796 ptype = next_arg_type(ptype);
3797 }
3798 }
3799 str = args[nb_args - 1];
3800 if (*ptype == '-' && ptype[1] != '\0') {
3801 ptype += 2;
3802 }
3803 switch(*ptype) {
3804 case 'F':
3805 /* file completion */
3806 readline_set_completion_index(cur_mon->rs, strlen(str));
3807 file_completion(str);
3808 break;
3809 case 'B':
3810 /* block device name completion */
3811 readline_set_completion_index(cur_mon->rs, strlen(str));
3812 bdrv_iterate(block_completion_it, (void *)str);
3813 break;
3814 case 's':
3815 /* XXX: more generic ? */
3816 if (!strcmp(cmd->name, "info")) {
3817 readline_set_completion_index(cur_mon->rs, strlen(str));
3818 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3819 cmd_completion(str, cmd->name);
3820 }
3821 } else if (!strcmp(cmd->name, "sendkey")) {
3822 char *sep = strrchr(str, '-');
3823 if (sep)
3824 str = sep + 1;
3825 readline_set_completion_index(cur_mon->rs, strlen(str));
3826 for(key = key_defs; key->name != NULL; key++) {
3827 cmd_completion(str, key->name);
3828 }
3829 } else if (!strcmp(cmd->name, "help|?")) {
3830 readline_set_completion_index(cur_mon->rs, strlen(str));
3831 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3832 cmd_completion(str, cmd->name);
3833 }
3834 }
3835 break;
3836 default:
3837 break;
3838 }
3839 }
3840 for(i = 0; i < nb_args; i++)
3841 qemu_free(args[i]);
3842 }
3843
3844 static int monitor_can_read(void *opaque)
3845 {
3846 Monitor *mon = opaque;
3847
3848 return (mon->suspend_cnt == 0) ? 1 : 0;
3849 }
3850
3851 typedef struct CmdArgs {
3852 QString *name;
3853 int type;
3854 int flag;
3855 int optional;
3856 } CmdArgs;
3857
3858 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3859 {
3860 if (!cmd_args->optional) {
3861 qemu_error_new(QERR_MISSING_PARAMETER, name);
3862 return -1;
3863 }
3864
3865 if (cmd_args->type == '-') {
3866 /* handlers expect a value, they need to be changed */
3867 qdict_put(args, name, qint_from_int(0));
3868 }
3869
3870 return 0;
3871 }
3872
3873 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3874 {
3875 QObject *value;
3876 const char *name;
3877
3878 name = qstring_get_str(cmd_args->name);
3879
3880 if (!args) {
3881 return check_opt(cmd_args, name, args);
3882 }
3883
3884 value = qdict_get(args, name);
3885 if (!value) {
3886 return check_opt(cmd_args, name, args);
3887 }
3888
3889 switch (cmd_args->type) {
3890 case 'F':
3891 case 'B':
3892 case 's':
3893 if (qobject_type(value) != QTYPE_QSTRING) {
3894 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3895 return -1;
3896 }
3897 break;
3898 case '/': {
3899 int i;
3900 const char *keys[] = { "count", "format", "size", NULL };
3901
3902 for (i = 0; keys[i]; i++) {
3903 QObject *obj = qdict_get(args, keys[i]);
3904 if (!obj) {
3905 qemu_error_new(QERR_MISSING_PARAMETER, name);
3906 return -1;
3907 }
3908 if (qobject_type(obj) != QTYPE_QINT) {
3909 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3910 return -1;
3911 }
3912 }
3913 break;
3914 }
3915 case 'i':
3916 case 'l':
3917 case 'M':
3918 if (qobject_type(value) != QTYPE_QINT) {
3919 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3920 return -1;
3921 }
3922 break;
3923 case '-':
3924 if (qobject_type(value) != QTYPE_QINT &&
3925 qobject_type(value) != QTYPE_QBOOL) {
3926 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3927 return -1;
3928 }
3929 if (qobject_type(value) == QTYPE_QBOOL) {
3930 /* handlers expect a QInt, they need to be changed */
3931 qdict_put(args, name,
3932 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3933 }
3934 break;
3935 default:
3936 /* impossible */
3937 abort();
3938 }
3939
3940 return 0;
3941 }
3942
3943 static void cmd_args_init(CmdArgs *cmd_args)
3944 {
3945 cmd_args->name = qstring_new();
3946 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3947 }
3948
3949 /*
3950 * This is not trivial, we have to parse Monitor command's argument
3951 * type syntax to be able to check the arguments provided by clients.
3952 *
3953 * In the near future we will be using an array for that and will be
3954 * able to drop all this parsing...
3955 */
3956 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3957 {
3958 int err;
3959 const char *p;
3960 CmdArgs cmd_args;
3961
3962 if (cmd->args_type == NULL) {
3963 return (qdict_size(args) == 0 ? 0 : -1);
3964 }
3965
3966 err = 0;
3967 cmd_args_init(&cmd_args);
3968
3969 for (p = cmd->args_type;; p++) {
3970 if (*p == ':') {
3971 cmd_args.type = *++p;
3972 p++;
3973 if (cmd_args.type == '-') {
3974 cmd_args.flag = *p++;
3975 cmd_args.optional = 1;
3976 } else if (*p == '?') {
3977 cmd_args.optional = 1;
3978 p++;
3979 }
3980
3981 assert(*p == ',' || *p == '\0');
3982 err = check_arg(&cmd_args, args);
3983
3984 QDECREF(cmd_args.name);
3985 cmd_args_init(&cmd_args);
3986
3987 if (err < 0) {
3988 break;
3989 }
3990 } else {
3991 qstring_append_chr(cmd_args.name, *p);
3992 }
3993
3994 if (*p == '\0') {
3995 break;
3996 }
3997 }
3998
3999 QDECREF(cmd_args.name);
4000 return err;
4001 }
4002
4003 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4004 {
4005 int err;
4006 QObject *obj;
4007 QDict *input, *args;
4008 const mon_cmd_t *cmd;
4009 Monitor *mon = cur_mon;
4010 const char *cmd_name, *info_item;
4011
4012 args = NULL;
4013 qemu_errors_to_mon(mon);
4014
4015 obj = json_parser_parse(tokens, NULL);
4016 if (!obj) {
4017 // FIXME: should be triggered in json_parser_parse()
4018 qemu_error_new(QERR_JSON_PARSING);
4019 goto err_out;
4020 } else if (qobject_type(obj) != QTYPE_QDICT) {
4021 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4022 qobject_decref(obj);
4023 goto err_out;
4024 }
4025
4026 input = qobject_to_qdict(obj);
4027
4028 mon->mc->id = qdict_get(input, "id");
4029 qobject_incref(mon->mc->id);
4030
4031 obj = qdict_get(input, "execute");
4032 if (!obj) {
4033 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4034 goto err_input;
4035 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4036 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4037 goto err_input;
4038 }
4039
4040 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4041
4042 /*
4043 * XXX: We need this special case until we get info handlers
4044 * converted into 'query-' commands
4045 */
4046 if (compare_cmd(cmd_name, "info")) {
4047 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4048 goto err_input;
4049 } else if (strstart(cmd_name, "query-", &info_item)) {
4050 cmd = monitor_find_command("info");
4051 qdict_put_obj(input, "arguments",
4052 qobject_from_jsonf("{ 'item': %s }", info_item));
4053 } else {
4054 cmd = monitor_find_command(cmd_name);
4055 if (!cmd || !monitor_handler_ported(cmd)) {
4056 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4057 goto err_input;
4058 }
4059 }
4060
4061 obj = qdict_get(input, "arguments");
4062 if (!obj) {
4063 args = qdict_new();
4064 } else {
4065 args = qobject_to_qdict(obj);
4066 QINCREF(args);
4067 }
4068
4069 QDECREF(input);
4070
4071 err = monitor_check_qmp_args(cmd, args);
4072 if (err < 0) {
4073 goto err_out;
4074 }
4075
4076 monitor_call_handler(mon, cmd, args);
4077 goto out;
4078
4079 err_input:
4080 QDECREF(input);
4081 err_out:
4082 monitor_protocol_emitter(mon, NULL);
4083 out:
4084 QDECREF(args);
4085 qemu_errors_to_previous();
4086 }
4087
4088 /**
4089 * monitor_control_read(): Read and handle QMP input
4090 */
4091 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4092 {
4093 Monitor *old_mon = cur_mon;
4094
4095 cur_mon = opaque;
4096
4097 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4098
4099 cur_mon = old_mon;
4100 }
4101
4102 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4103 {
4104 Monitor *old_mon = cur_mon;
4105 int i;
4106
4107 cur_mon = opaque;
4108
4109 if (cur_mon->rs) {
4110 for (i = 0; i < size; i++)
4111 readline_handle_byte(cur_mon->rs, buf[i]);
4112 } else {
4113 if (size == 0 || buf[size - 1] != 0)
4114 monitor_printf(cur_mon, "corrupted command\n");
4115 else
4116 handle_user_command(cur_mon, (char *)buf);
4117 }
4118
4119 cur_mon = old_mon;
4120 }
4121
4122 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4123 {
4124 monitor_suspend(mon);
4125 handle_user_command(mon, cmdline);
4126 monitor_resume(mon);
4127 }
4128
4129 int monitor_suspend(Monitor *mon)
4130 {
4131 if (!mon->rs)
4132 return -ENOTTY;
4133 mon->suspend_cnt++;
4134 return 0;
4135 }
4136
4137 void monitor_resume(Monitor *mon)
4138 {
4139 if (!mon->rs)
4140 return;
4141 if (--mon->suspend_cnt == 0)
4142 readline_show_prompt(mon->rs);
4143 }
4144
4145 /**
4146 * monitor_control_event(): Print QMP gretting
4147 */
4148 static void monitor_control_event(void *opaque, int event)
4149 {
4150 if (event == CHR_EVENT_OPENED) {
4151 QObject *data;
4152 Monitor *mon = opaque;
4153
4154 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4155
4156 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4157 assert(data != NULL);
4158
4159 monitor_json_emitter(mon, data);
4160 qobject_decref(data);
4161 }
4162 }
4163
4164 static void monitor_event(void *opaque, int event)
4165 {
4166 Monitor *mon = opaque;
4167
4168 switch (event) {
4169 case CHR_EVENT_MUX_IN:
4170 mon->mux_out = 0;
4171 if (mon->reset_seen) {
4172 readline_restart(mon->rs);
4173 monitor_resume(mon);
4174 monitor_flush(mon);
4175 } else {
4176 mon->suspend_cnt = 0;
4177 }
4178 break;
4179
4180 case CHR_EVENT_MUX_OUT:
4181 if (mon->reset_seen) {
4182 if (mon->suspend_cnt == 0) {
4183 monitor_printf(mon, "\n");
4184 }
4185 monitor_flush(mon);
4186 monitor_suspend(mon);
4187 } else {
4188 mon->suspend_cnt++;
4189 }
4190 mon->mux_out = 1;
4191 break;
4192
4193 case CHR_EVENT_OPENED:
4194 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4195 "information\n", QEMU_VERSION);
4196 if (!mon->mux_out) {
4197 readline_show_prompt(mon->rs);
4198 }
4199 mon->reset_seen = 1;
4200 break;
4201 }
4202 }
4203
4204
4205 /*
4206 * Local variables:
4207 * c-indent-level: 4
4208 * c-basic-offset: 4
4209 * tab-width: 8
4210 * End:
4211 */
4212
4213 void monitor_init(CharDriverState *chr, int flags)
4214 {
4215 static int is_first_init = 1;
4216 Monitor *mon;
4217
4218 if (is_first_init) {
4219 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4220 is_first_init = 0;
4221 }
4222
4223 mon = qemu_mallocz(sizeof(*mon));
4224
4225 mon->chr = chr;
4226 mon->flags = flags;
4227 if (flags & MONITOR_USE_READLINE) {
4228 mon->rs = readline_init(mon, monitor_find_completion);
4229 monitor_read_command(mon, 0);
4230 }
4231
4232 if (monitor_ctrl_mode(mon)) {
4233 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4234 /* Control mode requires special handlers */
4235 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4236 monitor_control_event, mon);
4237 } else {
4238 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4239 monitor_event, mon);
4240 }
4241
4242 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4243 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4244 cur_mon = mon;
4245 }
4246
4247 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4248 {
4249 BlockDriverState *bs = opaque;
4250 int ret = 0;
4251
4252 if (bdrv_set_key(bs, password) != 0) {
4253 monitor_printf(mon, "invalid password\n");
4254 ret = -EPERM;
4255 }
4256 if (mon->password_completion_cb)
4257 mon->password_completion_cb(mon->password_opaque, ret);
4258
4259 monitor_read_command(mon, 1);
4260 }
4261
4262 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4263 BlockDriverCompletionFunc *completion_cb,
4264 void *opaque)
4265 {
4266 int err;
4267
4268 if (!bdrv_key_required(bs)) {
4269 if (completion_cb)
4270 completion_cb(opaque, 0);
4271 return;
4272 }
4273
4274 if (monitor_ctrl_mode(mon)) {
4275 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4276 return;
4277 }
4278
4279 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4280 bdrv_get_encrypted_filename(bs));
4281
4282 mon->password_completion_cb = completion_cb;
4283 mon->password_opaque = opaque;
4284
4285 err = monitor_read_password(mon, bdrv_password_cb, bs);
4286
4287 if (err && completion_cb)
4288 completion_cb(opaque, err);
4289 }
4290
4291 typedef struct QemuErrorSink QemuErrorSink;
4292 struct QemuErrorSink {
4293 enum {
4294 ERR_SINK_FILE,
4295 ERR_SINK_MONITOR,
4296 } dest;
4297 union {
4298 FILE *fp;
4299 Monitor *mon;
4300 };
4301 QemuErrorSink *previous;
4302 };
4303
4304 static QemuErrorSink *qemu_error_sink;
4305
4306 void qemu_errors_to_file(FILE *fp)
4307 {
4308 QemuErrorSink *sink;
4309
4310 sink = qemu_mallocz(sizeof(*sink));
4311 sink->dest = ERR_SINK_FILE;
4312 sink->fp = fp;
4313 sink->previous = qemu_error_sink;
4314 qemu_error_sink = sink;
4315 }
4316
4317 void qemu_errors_to_mon(Monitor *mon)
4318 {
4319 QemuErrorSink *sink;
4320
4321 sink = qemu_mallocz(sizeof(*sink));
4322 sink->dest = ERR_SINK_MONITOR;
4323 sink->mon = mon;
4324 sink->previous = qemu_error_sink;
4325 qemu_error_sink = sink;
4326 }
4327
4328 void qemu_errors_to_previous(void)
4329 {
4330 QemuErrorSink *sink;
4331
4332 assert(qemu_error_sink != NULL);
4333 sink = qemu_error_sink;
4334 qemu_error_sink = sink->previous;
4335 qemu_free(sink);
4336 }
4337
4338 void qemu_error(const char *fmt, ...)
4339 {
4340 va_list args;
4341
4342 assert(qemu_error_sink != NULL);
4343 switch (qemu_error_sink->dest) {
4344 case ERR_SINK_FILE:
4345 va_start(args, fmt);
4346 vfprintf(qemu_error_sink->fp, fmt, args);
4347 va_end(args);
4348 break;
4349 case ERR_SINK_MONITOR:
4350 va_start(args, fmt);
4351 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4352 va_end(args);
4353 break;
4354 }
4355 }
4356
4357 void qemu_error_internal(const char *file, int linenr, const char *func,
4358 const char *fmt, ...)
4359 {
4360 va_list va;
4361 QError *qerror;
4362
4363 assert(qemu_error_sink != NULL);
4364
4365 va_start(va, fmt);
4366 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4367 va_end(va);
4368
4369 switch (qemu_error_sink->dest) {
4370 case ERR_SINK_FILE:
4371 qerror_print(qerror);
4372 QDECREF(qerror);
4373 break;
4374 case ERR_SINK_MONITOR:
4375 assert(qemu_error_sink->mon->error == NULL);
4376 qemu_error_sink->mon->error = qerror;
4377 break;
4378 }
4379 }
QEmu