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make: qemu-img depends on config-host.h
[qemu/aliguori-queue.git] / monitor.c
blobcadf422e3f4f8bc7921ef2eb6fce000cc415d244
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 if (!env)
696 return;
697 #ifdef TARGET_I386
698 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
699 X86_DUMP_FPU);
700 #else
701 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
702 0);
703 #endif
704 }
705
706 static void print_cpu_iter(QObject *obj, void *opaque)
707 {
708 QDict *cpu;
709 int active = ' ';
710 Monitor *mon = opaque;
711
712 assert(qobject_type(obj) == QTYPE_QDICT);
713 cpu = qobject_to_qdict(obj);
714
715 if (qdict_get_bool(cpu, "current")) {
716 active = '*';
717 }
718
719 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
720
721 #if defined(TARGET_I386)
722 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
723 (target_ulong) qdict_get_int(cpu, "pc"));
724 #elif defined(TARGET_PPC)
725 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
726 (target_long) qdict_get_int(cpu, "nip"));
727 #elif defined(TARGET_SPARC)
728 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
729 (target_long) qdict_get_int(cpu, "pc"));
730 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
731 (target_long) qdict_get_int(cpu, "npc"));
732 #elif defined(TARGET_MIPS)
733 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
734 (target_long) qdict_get_int(cpu, "PC"));
735 #endif
736
737 if (qdict_get_bool(cpu, "halted")) {
738 monitor_printf(mon, " (halted)");
739 }
740
741 monitor_printf(mon, "\n");
742 }
743
744 static void monitor_print_cpus(Monitor *mon, const QObject *data)
745 {
746 QList *cpu_list;
747
748 assert(qobject_type(data) == QTYPE_QLIST);
749 cpu_list = qobject_to_qlist(data);
750 qlist_iter(cpu_list, print_cpu_iter, mon);
751 }
752
753 /**
754 * do_info_cpus(): Show CPU information
755 *
756 * Return a QList. Each CPU is represented by a QDict, which contains:
757 *
758 * - "cpu": CPU index
759 * - "current": true if this is the current CPU, false otherwise
760 * - "halted": true if the cpu is halted, false otherwise
761 * - Current program counter. The key's name depends on the architecture:
762 * "pc": i386/x86)64
763 * "nip": PPC
764 * "pc" and "npc": sparc
765 * "PC": mips
766 *
767 * Example:
768 *
769 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
770 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
771 */
772 static void do_info_cpus(Monitor *mon, QObject **ret_data)
773 {
774 CPUState *env;
775 QList *cpu_list;
776
777 cpu_list = qlist_new();
778
779 /* just to set the default cpu if not already done */
780 mon_get_cpu();
781
782 for(env = first_cpu; env != NULL; env = env->next_cpu) {
783 QDict *cpu;
784 QObject *obj;
785
786 cpu_synchronize_state(env);
787
788 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
789 env->cpu_index, env == mon->mon_cpu,
790 env->halted);
791 assert(obj != NULL);
792
793 cpu = qobject_to_qdict(obj);
794
795 #if defined(TARGET_I386)
796 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
797 #elif defined(TARGET_PPC)
798 qdict_put(cpu, "nip", qint_from_int(env->nip));
799 #elif defined(TARGET_SPARC)
800 qdict_put(cpu, "pc", qint_from_int(env->pc));
801 qdict_put(cpu, "npc", qint_from_int(env->npc));
802 #elif defined(TARGET_MIPS)
803 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
804 #endif
805
806 qlist_append(cpu_list, cpu);
807 }
808
809 *ret_data = QOBJECT(cpu_list);
810 }
811
812 static void do_cpu_set(Monitor *mon, const QDict *qdict)
813 {
814 int index = qdict_get_int(qdict, "index");
815 if (mon_set_cpu(index) < 0)
816 monitor_printf(mon, "Invalid CPU index\n");
817 }
818
819 static void do_info_jit(Monitor *mon)
820 {
821 dump_exec_info((FILE *)mon, monitor_fprintf);
822 }
823
824 static void do_info_history(Monitor *mon)
825 {
826 int i;
827 const char *str;
828
829 if (!mon->rs)
830 return;
831 i = 0;
832 for(;;) {
833 str = readline_get_history(mon->rs, i);
834 if (!str)
835 break;
836 monitor_printf(mon, "%d: '%s'\n", i, str);
837 i++;
838 }
839 }
840
841 #if defined(TARGET_PPC)
842 /* XXX: not implemented in other targets */
843 static void do_info_cpu_stats(Monitor *mon)
844 {
845 CPUState *env;
846
847 env = mon_get_cpu();
848 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
849 }
850 #endif
851
852 /**
853 * do_quit(): Quit QEMU execution
854 */
855 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
856 {
857 exit(0);
858 }
859
860 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
861 {
862 if (bdrv_is_inserted(bs)) {
863 if (!force) {
864 if (!bdrv_is_removable(bs)) {
865 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
866 bdrv_get_device_name(bs));
867 return -1;
868 }
869 if (bdrv_is_locked(bs)) {
870 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
871 return -1;
872 }
873 }
874 bdrv_close(bs);
875 }
876 return 0;
877 }
878
879 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
880 {
881 BlockDriverState *bs;
882 int force = qdict_get_int(qdict, "force");
883 const char *filename = qdict_get_str(qdict, "device");
884
885 bs = bdrv_find(filename);
886 if (!bs) {
887 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
888 return;
889 }
890 eject_device(mon, bs, force);
891 }
892
893 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
894 QObject **ret_data)
895 {
896 BlockDriverState *bs;
897
898 bs = bdrv_find(qdict_get_str(qdict, "device"));
899 if (!bs) {
900 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
901 return;
902 }
903
904 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
905 qemu_error_new(QERR_INVALID_PASSWORD);
906 }
907 }
908
909 static void do_change_block(Monitor *mon, const char *device,
910 const char *filename, const char *fmt)
911 {
912 BlockDriverState *bs;
913 BlockDriver *drv = NULL;
914
915 bs = bdrv_find(device);
916 if (!bs) {
917 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
918 return;
919 }
920 if (fmt) {
921 drv = bdrv_find_whitelisted_format(fmt);
922 if (!drv) {
923 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
924 return;
925 }
926 }
927 if (eject_device(mon, bs, 0) < 0)
928 return;
929 bdrv_open2(bs, filename, BDRV_O_RDWR, drv);
930 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
931 }
932
933 static void change_vnc_password(const char *password)
934 {
935 if (vnc_display_password(NULL, password) < 0)
936 qemu_error_new(QERR_SET_PASSWD_FAILED);
937
938 }
939
940 static void change_vnc_password_cb(Monitor *mon, const char *password,
941 void *opaque)
942 {
943 change_vnc_password(password);
944 monitor_read_command(mon, 1);
945 }
946
947 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
948 {
949 if (strcmp(target, "passwd") == 0 ||
950 strcmp(target, "password") == 0) {
951 if (arg) {
952 char password[9];
953 strncpy(password, arg, sizeof(password));
954 password[sizeof(password) - 1] = '\0';
955 change_vnc_password(password);
956 } else {
957 monitor_read_password(mon, change_vnc_password_cb, NULL);
958 }
959 } else {
960 if (vnc_display_open(NULL, target) < 0)
961 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
962 }
963 }
964
965 /**
966 * do_change(): Change a removable medium, or VNC configuration
967 */
968 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
969 {
970 const char *device = qdict_get_str(qdict, "device");
971 const char *target = qdict_get_str(qdict, "target");
972 const char *arg = qdict_get_try_str(qdict, "arg");
973 if (strcmp(device, "vnc") == 0) {
974 do_change_vnc(mon, target, arg);
975 } else {
976 do_change_block(mon, device, target, arg);
977 }
978 }
979
980 static void do_screen_dump(Monitor *mon, const QDict *qdict)
981 {
982 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
983 }
984
985 static void do_logfile(Monitor *mon, const QDict *qdict)
986 {
987 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
988 }
989
990 static void do_log(Monitor *mon, const QDict *qdict)
991 {
992 int mask;
993 const char *items = qdict_get_str(qdict, "items");
994
995 if (!strcmp(items, "none")) {
996 mask = 0;
997 } else {
998 mask = cpu_str_to_log_mask(items);
999 if (!mask) {
1000 help_cmd(mon, "log");
1001 return;
1002 }
1003 }
1004 cpu_set_log(mask);
1005 }
1006
1007 static void do_singlestep(Monitor *mon, const QDict *qdict)
1008 {
1009 const char *option = qdict_get_try_str(qdict, "option");
1010 if (!option || !strcmp(option, "on")) {
1011 singlestep = 1;
1012 } else if (!strcmp(option, "off")) {
1013 singlestep = 0;
1014 } else {
1015 monitor_printf(mon, "unexpected option %s\n", option);
1016 }
1017 }
1018
1019 /**
1020 * do_stop(): Stop VM execution
1021 */
1022 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1023 {
1024 vm_stop(EXCP_INTERRUPT);
1025 }
1026
1027 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1028
1029 struct bdrv_iterate_context {
1030 Monitor *mon;
1031 int err;
1032 };
1033
1034 /**
1035 * do_cont(): Resume emulation.
1036 */
1037 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1038 {
1039 struct bdrv_iterate_context context = { mon, 0 };
1040
1041 bdrv_iterate(encrypted_bdrv_it, &context);
1042 /* only resume the vm if all keys are set and valid */
1043 if (!context.err)
1044 vm_start();
1045 }
1046
1047 static void bdrv_key_cb(void *opaque, int err)
1048 {
1049 Monitor *mon = opaque;
1050
1051 /* another key was set successfully, retry to continue */
1052 if (!err)
1053 do_cont(mon, NULL, NULL);
1054 }
1055
1056 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1057 {
1058 struct bdrv_iterate_context *context = opaque;
1059
1060 if (!context->err && bdrv_key_required(bs)) {
1061 context->err = -EBUSY;
1062 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1063 context->mon);
1064 }
1065 }
1066
1067 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1068 {
1069 const char *device = qdict_get_try_str(qdict, "device");
1070 if (!device)
1071 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1072 if (gdbserver_start(device) < 0) {
1073 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1074 device);
1075 } else if (strcmp(device, "none") == 0) {
1076 monitor_printf(mon, "Disabled gdbserver\n");
1077 } else {
1078 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1079 device);
1080 }
1081 }
1082
1083 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1084 {
1085 const char *action = qdict_get_str(qdict, "action");
1086 if (select_watchdog_action(action) == -1) {
1087 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1088 }
1089 }
1090
1091 static void monitor_printc(Monitor *mon, int c)
1092 {
1093 monitor_printf(mon, "'");
1094 switch(c) {
1095 case '\'':
1096 monitor_printf(mon, "\\'");
1097 break;
1098 case '\\':
1099 monitor_printf(mon, "\\\\");
1100 break;
1101 case '\n':
1102 monitor_printf(mon, "\\n");
1103 break;
1104 case '\r':
1105 monitor_printf(mon, "\\r");
1106 break;
1107 default:
1108 if (c >= 32 && c <= 126) {
1109 monitor_printf(mon, "%c", c);
1110 } else {
1111 monitor_printf(mon, "\\x%02x", c);
1112 }
1113 break;
1114 }
1115 monitor_printf(mon, "'");
1116 }
1117
1118 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1119 target_phys_addr_t addr, int is_physical)
1120 {
1121 CPUState *env;
1122 int l, line_size, i, max_digits, len;
1123 uint8_t buf[16];
1124 uint64_t v;
1125
1126 if (format == 'i') {
1127 int flags;
1128 flags = 0;
1129 env = mon_get_cpu();
1130 if (!env && !is_physical)
1131 return;
1132 #ifdef TARGET_I386
1133 if (wsize == 2) {
1134 flags = 1;
1135 } else if (wsize == 4) {
1136 flags = 0;
1137 } else {
1138 /* as default we use the current CS size */
1139 flags = 0;
1140 if (env) {
1141 #ifdef TARGET_X86_64
1142 if ((env->efer & MSR_EFER_LMA) &&
1143 (env->segs[R_CS].flags & DESC_L_MASK))
1144 flags = 2;
1145 else
1146 #endif
1147 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1148 flags = 1;
1149 }
1150 }
1151 #endif
1152 monitor_disas(mon, env, addr, count, is_physical, flags);
1153 return;
1154 }
1155
1156 len = wsize * count;
1157 if (wsize == 1)
1158 line_size = 8;
1159 else
1160 line_size = 16;
1161 max_digits = 0;
1162
1163 switch(format) {
1164 case 'o':
1165 max_digits = (wsize * 8 + 2) / 3;
1166 break;
1167 default:
1168 case 'x':
1169 max_digits = (wsize * 8) / 4;
1170 break;
1171 case 'u':
1172 case 'd':
1173 max_digits = (wsize * 8 * 10 + 32) / 33;
1174 break;
1175 case 'c':
1176 wsize = 1;
1177 break;
1178 }
1179
1180 while (len > 0) {
1181 if (is_physical)
1182 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1183 else
1184 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1185 l = len;
1186 if (l > line_size)
1187 l = line_size;
1188 if (is_physical) {
1189 cpu_physical_memory_rw(addr, buf, l, 0);
1190 } else {
1191 env = mon_get_cpu();
1192 if (!env)
1193 break;
1194 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1195 monitor_printf(mon, " Cannot access memory\n");
1196 break;
1197 }
1198 }
1199 i = 0;
1200 while (i < l) {
1201 switch(wsize) {
1202 default:
1203 case 1:
1204 v = ldub_raw(buf + i);
1205 break;
1206 case 2:
1207 v = lduw_raw(buf + i);
1208 break;
1209 case 4:
1210 v = (uint32_t)ldl_raw(buf + i);
1211 break;
1212 case 8:
1213 v = ldq_raw(buf + i);
1214 break;
1215 }
1216 monitor_printf(mon, " ");
1217 switch(format) {
1218 case 'o':
1219 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1220 break;
1221 case 'x':
1222 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1223 break;
1224 case 'u':
1225 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1226 break;
1227 case 'd':
1228 monitor_printf(mon, "%*" PRId64, max_digits, v);
1229 break;
1230 case 'c':
1231 monitor_printc(mon, v);
1232 break;
1233 }
1234 i += wsize;
1235 }
1236 monitor_printf(mon, "\n");
1237 addr += l;
1238 len -= l;
1239 }
1240 }
1241
1242 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1243 {
1244 int count = qdict_get_int(qdict, "count");
1245 int format = qdict_get_int(qdict, "format");
1246 int size = qdict_get_int(qdict, "size");
1247 target_long addr = qdict_get_int(qdict, "addr");
1248
1249 memory_dump(mon, count, format, size, addr, 0);
1250 }
1251
1252 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1253 {
1254 int count = qdict_get_int(qdict, "count");
1255 int format = qdict_get_int(qdict, "format");
1256 int size = qdict_get_int(qdict, "size");
1257 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1258
1259 memory_dump(mon, count, format, size, addr, 1);
1260 }
1261
1262 static void do_print(Monitor *mon, const QDict *qdict)
1263 {
1264 int format = qdict_get_int(qdict, "format");
1265 target_phys_addr_t val = qdict_get_int(qdict, "val");
1266
1267 #if TARGET_PHYS_ADDR_BITS == 32
1268 switch(format) {
1269 case 'o':
1270 monitor_printf(mon, "%#o", val);
1271 break;
1272 case 'x':
1273 monitor_printf(mon, "%#x", val);
1274 break;
1275 case 'u':
1276 monitor_printf(mon, "%u", val);
1277 break;
1278 default:
1279 case 'd':
1280 monitor_printf(mon, "%d", val);
1281 break;
1282 case 'c':
1283 monitor_printc(mon, val);
1284 break;
1285 }
1286 #else
1287 switch(format) {
1288 case 'o':
1289 monitor_printf(mon, "%#" PRIo64, val);
1290 break;
1291 case 'x':
1292 monitor_printf(mon, "%#" PRIx64, val);
1293 break;
1294 case 'u':
1295 monitor_printf(mon, "%" PRIu64, val);
1296 break;
1297 default:
1298 case 'd':
1299 monitor_printf(mon, "%" PRId64, val);
1300 break;
1301 case 'c':
1302 monitor_printc(mon, val);
1303 break;
1304 }
1305 #endif
1306 monitor_printf(mon, "\n");
1307 }
1308
1309 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1310 {
1311 FILE *f;
1312 uint32_t size = qdict_get_int(qdict, "size");
1313 const char *filename = qdict_get_str(qdict, "filename");
1314 target_long addr = qdict_get_int(qdict, "val");
1315 uint32_t l;
1316 CPUState *env;
1317 uint8_t buf[1024];
1318
1319 env = mon_get_cpu();
1320 if (!env)
1321 return;
1322
1323 f = fopen(filename, "wb");
1324 if (!f) {
1325 monitor_printf(mon, "could not open '%s'\n", filename);
1326 return;
1327 }
1328 while (size != 0) {
1329 l = sizeof(buf);
1330 if (l > size)
1331 l = size;
1332 cpu_memory_rw_debug(env, addr, buf, l, 0);
1333 fwrite(buf, 1, l, f);
1334 addr += l;
1335 size -= l;
1336 }
1337 fclose(f);
1338 }
1339
1340 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1341 QObject **ret_data)
1342 {
1343 FILE *f;
1344 uint32_t l;
1345 uint8_t buf[1024];
1346 uint32_t size = qdict_get_int(qdict, "size");
1347 const char *filename = qdict_get_str(qdict, "filename");
1348 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1349
1350 f = fopen(filename, "wb");
1351 if (!f) {
1352 monitor_printf(mon, "could not open '%s'\n", filename);
1353 return;
1354 }
1355 while (size != 0) {
1356 l = sizeof(buf);
1357 if (l > size)
1358 l = size;
1359 cpu_physical_memory_rw(addr, buf, l, 0);
1360 fwrite(buf, 1, l, f);
1361 fflush(f);
1362 addr += l;
1363 size -= l;
1364 }
1365 fclose(f);
1366 }
1367
1368 static void do_sum(Monitor *mon, const QDict *qdict)
1369 {
1370 uint32_t addr;
1371 uint8_t buf[1];
1372 uint16_t sum;
1373 uint32_t start = qdict_get_int(qdict, "start");
1374 uint32_t size = qdict_get_int(qdict, "size");
1375
1376 sum = 0;
1377 for(addr = start; addr < (start + size); addr++) {
1378 cpu_physical_memory_rw(addr, buf, 1, 0);
1379 /* BSD sum algorithm ('sum' Unix command) */
1380 sum = (sum >> 1) | (sum << 15);
1381 sum += buf[0];
1382 }
1383 monitor_printf(mon, "%05d\n", sum);
1384 }
1385
1386 typedef struct {
1387 int keycode;
1388 const char *name;
1389 } KeyDef;
1390
1391 static const KeyDef key_defs[] = {
1392 { 0x2a, "shift" },
1393 { 0x36, "shift_r" },
1394
1395 { 0x38, "alt" },
1396 { 0xb8, "alt_r" },
1397 { 0x64, "altgr" },
1398 { 0xe4, "altgr_r" },
1399 { 0x1d, "ctrl" },
1400 { 0x9d, "ctrl_r" },
1401
1402 { 0xdd, "menu" },
1403
1404 { 0x01, "esc" },
1405
1406 { 0x02, "1" },
1407 { 0x03, "2" },
1408 { 0x04, "3" },
1409 { 0x05, "4" },
1410 { 0x06, "5" },
1411 { 0x07, "6" },
1412 { 0x08, "7" },
1413 { 0x09, "8" },
1414 { 0x0a, "9" },
1415 { 0x0b, "0" },
1416 { 0x0c, "minus" },
1417 { 0x0d, "equal" },
1418 { 0x0e, "backspace" },
1419
1420 { 0x0f, "tab" },
1421 { 0x10, "q" },
1422 { 0x11, "w" },
1423 { 0x12, "e" },
1424 { 0x13, "r" },
1425 { 0x14, "t" },
1426 { 0x15, "y" },
1427 { 0x16, "u" },
1428 { 0x17, "i" },
1429 { 0x18, "o" },
1430 { 0x19, "p" },
1431
1432 { 0x1c, "ret" },
1433
1434 { 0x1e, "a" },
1435 { 0x1f, "s" },
1436 { 0x20, "d" },
1437 { 0x21, "f" },
1438 { 0x22, "g" },
1439 { 0x23, "h" },
1440 { 0x24, "j" },
1441 { 0x25, "k" },
1442 { 0x26, "l" },
1443
1444 { 0x2c, "z" },
1445 { 0x2d, "x" },
1446 { 0x2e, "c" },
1447 { 0x2f, "v" },
1448 { 0x30, "b" },
1449 { 0x31, "n" },
1450 { 0x32, "m" },
1451 { 0x33, "comma" },
1452 { 0x34, "dot" },
1453 { 0x35, "slash" },
1454
1455 { 0x37, "asterisk" },
1456
1457 { 0x39, "spc" },
1458 { 0x3a, "caps_lock" },
1459 { 0x3b, "f1" },
1460 { 0x3c, "f2" },
1461 { 0x3d, "f3" },
1462 { 0x3e, "f4" },
1463 { 0x3f, "f5" },
1464 { 0x40, "f6" },
1465 { 0x41, "f7" },
1466 { 0x42, "f8" },
1467 { 0x43, "f9" },
1468 { 0x44, "f10" },
1469 { 0x45, "num_lock" },
1470 { 0x46, "scroll_lock" },
1471
1472 { 0xb5, "kp_divide" },
1473 { 0x37, "kp_multiply" },
1474 { 0x4a, "kp_subtract" },
1475 { 0x4e, "kp_add" },
1476 { 0x9c, "kp_enter" },
1477 { 0x53, "kp_decimal" },
1478 { 0x54, "sysrq" },
1479
1480 { 0x52, "kp_0" },
1481 { 0x4f, "kp_1" },
1482 { 0x50, "kp_2" },
1483 { 0x51, "kp_3" },
1484 { 0x4b, "kp_4" },
1485 { 0x4c, "kp_5" },
1486 { 0x4d, "kp_6" },
1487 { 0x47, "kp_7" },
1488 { 0x48, "kp_8" },
1489 { 0x49, "kp_9" },
1490
1491 { 0x56, "<" },
1492
1493 { 0x57, "f11" },
1494 { 0x58, "f12" },
1495
1496 { 0xb7, "print" },
1497
1498 { 0xc7, "home" },
1499 { 0xc9, "pgup" },
1500 { 0xd1, "pgdn" },
1501 { 0xcf, "end" },
1502
1503 { 0xcb, "left" },
1504 { 0xc8, "up" },
1505 { 0xd0, "down" },
1506 { 0xcd, "right" },
1507
1508 { 0xd2, "insert" },
1509 { 0xd3, "delete" },
1510 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1511 { 0xf0, "stop" },
1512 { 0xf1, "again" },
1513 { 0xf2, "props" },
1514 { 0xf3, "undo" },
1515 { 0xf4, "front" },
1516 { 0xf5, "copy" },
1517 { 0xf6, "open" },
1518 { 0xf7, "paste" },
1519 { 0xf8, "find" },
1520 { 0xf9, "cut" },
1521 { 0xfa, "lf" },
1522 { 0xfb, "help" },
1523 { 0xfc, "meta_l" },
1524 { 0xfd, "meta_r" },
1525 { 0xfe, "compose" },
1526 #endif
1527 { 0, NULL },
1528 };
1529
1530 static int get_keycode(const char *key)
1531 {
1532 const KeyDef *p;
1533 char *endp;
1534 int ret;
1535
1536 for(p = key_defs; p->name != NULL; p++) {
1537 if (!strcmp(key, p->name))
1538 return p->keycode;
1539 }
1540 if (strstart(key, "0x", NULL)) {
1541 ret = strtoul(key, &endp, 0);
1542 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1543 return ret;
1544 }
1545 return -1;
1546 }
1547
1548 #define MAX_KEYCODES 16
1549 static uint8_t keycodes[MAX_KEYCODES];
1550 static int nb_pending_keycodes;
1551 static QEMUTimer *key_timer;
1552
1553 static void release_keys(void *opaque)
1554 {
1555 int keycode;
1556
1557 while (nb_pending_keycodes > 0) {
1558 nb_pending_keycodes--;
1559 keycode = keycodes[nb_pending_keycodes];
1560 if (keycode & 0x80)
1561 kbd_put_keycode(0xe0);
1562 kbd_put_keycode(keycode | 0x80);
1563 }
1564 }
1565
1566 static void do_sendkey(Monitor *mon, const QDict *qdict)
1567 {
1568 char keyname_buf[16];
1569 char *separator;
1570 int keyname_len, keycode, i;
1571 const char *string = qdict_get_str(qdict, "string");
1572 int has_hold_time = qdict_haskey(qdict, "hold_time");
1573 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1574
1575 if (nb_pending_keycodes > 0) {
1576 qemu_del_timer(key_timer);
1577 release_keys(NULL);
1578 }
1579 if (!has_hold_time)
1580 hold_time = 100;
1581 i = 0;
1582 while (1) {
1583 separator = strchr(string, '-');
1584 keyname_len = separator ? separator - string : strlen(string);
1585 if (keyname_len > 0) {
1586 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1587 if (keyname_len > sizeof(keyname_buf) - 1) {
1588 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1589 return;
1590 }
1591 if (i == MAX_KEYCODES) {
1592 monitor_printf(mon, "too many keys\n");
1593 return;
1594 }
1595 keyname_buf[keyname_len] = 0;
1596 keycode = get_keycode(keyname_buf);
1597 if (keycode < 0) {
1598 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1599 return;
1600 }
1601 keycodes[i++] = keycode;
1602 }
1603 if (!separator)
1604 break;
1605 string = separator + 1;
1606 }
1607 nb_pending_keycodes = i;
1608 /* key down events */
1609 for (i = 0; i < nb_pending_keycodes; i++) {
1610 keycode = keycodes[i];
1611 if (keycode & 0x80)
1612 kbd_put_keycode(0xe0);
1613 kbd_put_keycode(keycode & 0x7f);
1614 }
1615 /* delayed key up events */
1616 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1617 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1618 }
1619
1620 static int mouse_button_state;
1621
1622 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1623 {
1624 int dx, dy, dz;
1625 const char *dx_str = qdict_get_str(qdict, "dx_str");
1626 const char *dy_str = qdict_get_str(qdict, "dy_str");
1627 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1628 dx = strtol(dx_str, NULL, 0);
1629 dy = strtol(dy_str, NULL, 0);
1630 dz = 0;
1631 if (dz_str)
1632 dz = strtol(dz_str, NULL, 0);
1633 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1634 }
1635
1636 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1637 {
1638 int button_state = qdict_get_int(qdict, "button_state");
1639 mouse_button_state = button_state;
1640 kbd_mouse_event(0, 0, 0, mouse_button_state);
1641 }
1642
1643 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1644 {
1645 int size = qdict_get_int(qdict, "size");
1646 int addr = qdict_get_int(qdict, "addr");
1647 int has_index = qdict_haskey(qdict, "index");
1648 uint32_t val;
1649 int suffix;
1650
1651 if (has_index) {
1652 int index = qdict_get_int(qdict, "index");
1653 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1654 addr++;
1655 }
1656 addr &= 0xffff;
1657
1658 switch(size) {
1659 default:
1660 case 1:
1661 val = cpu_inb(addr);
1662 suffix = 'b';
1663 break;
1664 case 2:
1665 val = cpu_inw(addr);
1666 suffix = 'w';
1667 break;
1668 case 4:
1669 val = cpu_inl(addr);
1670 suffix = 'l';
1671 break;
1672 }
1673 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1674 suffix, addr, size * 2, val);
1675 }
1676
1677 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1678 {
1679 int size = qdict_get_int(qdict, "size");
1680 int addr = qdict_get_int(qdict, "addr");
1681 int val = qdict_get_int(qdict, "val");
1682
1683 addr &= IOPORTS_MASK;
1684
1685 switch (size) {
1686 default:
1687 case 1:
1688 cpu_outb(addr, val);
1689 break;
1690 case 2:
1691 cpu_outw(addr, val);
1692 break;
1693 case 4:
1694 cpu_outl(addr, val);
1695 break;
1696 }
1697 }
1698
1699 static void do_boot_set(Monitor *mon, const QDict *qdict)
1700 {
1701 int res;
1702 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1703
1704 res = qemu_boot_set(bootdevice);
1705 if (res == 0) {
1706 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1707 } else if (res > 0) {
1708 monitor_printf(mon, "setting boot device list failed\n");
1709 } else {
1710 monitor_printf(mon, "no function defined to set boot device list for "
1711 "this architecture\n");
1712 }
1713 }
1714
1715 /**
1716 * do_system_reset(): Issue a machine reset
1717 */
1718 static void do_system_reset(Monitor *mon, const QDict *qdict,
1719 QObject **ret_data)
1720 {
1721 qemu_system_reset_request();
1722 }
1723
1724 /**
1725 * do_system_powerdown(): Issue a machine powerdown
1726 */
1727 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1728 QObject **ret_data)
1729 {
1730 qemu_system_powerdown_request();
1731 }
1732
1733 #if defined(TARGET_I386)
1734 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1735 {
1736 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1737 addr,
1738 pte & mask,
1739 pte & PG_GLOBAL_MASK ? 'G' : '-',
1740 pte & PG_PSE_MASK ? 'P' : '-',
1741 pte & PG_DIRTY_MASK ? 'D' : '-',
1742 pte & PG_ACCESSED_MASK ? 'A' : '-',
1743 pte & PG_PCD_MASK ? 'C' : '-',
1744 pte & PG_PWT_MASK ? 'T' : '-',
1745 pte & PG_USER_MASK ? 'U' : '-',
1746 pte & PG_RW_MASK ? 'W' : '-');
1747 }
1748
1749 static void tlb_info(Monitor *mon)
1750 {
1751 CPUState *env;
1752 int l1, l2;
1753 uint32_t pgd, pde, pte;
1754
1755 env = mon_get_cpu();
1756 if (!env)
1757 return;
1758
1759 if (!(env->cr[0] & CR0_PG_MASK)) {
1760 monitor_printf(mon, "PG disabled\n");
1761 return;
1762 }
1763 pgd = env->cr[3] & ~0xfff;
1764 for(l1 = 0; l1 < 1024; l1++) {
1765 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1766 pde = le32_to_cpu(pde);
1767 if (pde & PG_PRESENT_MASK) {
1768 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1769 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1770 } else {
1771 for(l2 = 0; l2 < 1024; l2++) {
1772 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1773 (uint8_t *)&pte, 4);
1774 pte = le32_to_cpu(pte);
1775 if (pte & PG_PRESENT_MASK) {
1776 print_pte(mon, (l1 << 22) + (l2 << 12),
1777 pte & ~PG_PSE_MASK,
1778 ~0xfff);
1779 }
1780 }
1781 }
1782 }
1783 }
1784 }
1785
1786 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1787 uint32_t end, int prot)
1788 {
1789 int prot1;
1790 prot1 = *plast_prot;
1791 if (prot != prot1) {
1792 if (*pstart != -1) {
1793 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1794 *pstart, end, end - *pstart,
1795 prot1 & PG_USER_MASK ? 'u' : '-',
1796 'r',
1797 prot1 & PG_RW_MASK ? 'w' : '-');
1798 }
1799 if (prot != 0)
1800 *pstart = end;
1801 else
1802 *pstart = -1;
1803 *plast_prot = prot;
1804 }
1805 }
1806
1807 static void mem_info(Monitor *mon)
1808 {
1809 CPUState *env;
1810 int l1, l2, prot, last_prot;
1811 uint32_t pgd, pde, pte, start, end;
1812
1813 env = mon_get_cpu();
1814 if (!env)
1815 return;
1816
1817 if (!(env->cr[0] & CR0_PG_MASK)) {
1818 monitor_printf(mon, "PG disabled\n");
1819 return;
1820 }
1821 pgd = env->cr[3] & ~0xfff;
1822 last_prot = 0;
1823 start = -1;
1824 for(l1 = 0; l1 < 1024; l1++) {
1825 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1826 pde = le32_to_cpu(pde);
1827 end = l1 << 22;
1828 if (pde & PG_PRESENT_MASK) {
1829 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1830 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1831 mem_print(mon, &start, &last_prot, end, prot);
1832 } else {
1833 for(l2 = 0; l2 < 1024; l2++) {
1834 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1835 (uint8_t *)&pte, 4);
1836 pte = le32_to_cpu(pte);
1837 end = (l1 << 22) + (l2 << 12);
1838 if (pte & PG_PRESENT_MASK) {
1839 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1840 } else {
1841 prot = 0;
1842 }
1843 mem_print(mon, &start, &last_prot, end, prot);
1844 }
1845 }
1846 } else {
1847 prot = 0;
1848 mem_print(mon, &start, &last_prot, end, prot);
1849 }
1850 }
1851 }
1852 #endif
1853
1854 #if defined(TARGET_SH4)
1855
1856 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1857 {
1858 monitor_printf(mon, " tlb%i:\t"
1859 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1860 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1861 "dirty=%hhu writethrough=%hhu\n",
1862 idx,
1863 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1864 tlb->v, tlb->sh, tlb->c, tlb->pr,
1865 tlb->d, tlb->wt);
1866 }
1867
1868 static void tlb_info(Monitor *mon)
1869 {
1870 CPUState *env = mon_get_cpu();
1871 int i;
1872
1873 monitor_printf (mon, "ITLB:\n");
1874 for (i = 0 ; i < ITLB_SIZE ; i++)
1875 print_tlb (mon, i, &env->itlb[i]);
1876 monitor_printf (mon, "UTLB:\n");
1877 for (i = 0 ; i < UTLB_SIZE ; i++)
1878 print_tlb (mon, i, &env->utlb[i]);
1879 }
1880
1881 #endif
1882
1883 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1884 {
1885 QDict *qdict;
1886
1887 qdict = qobject_to_qdict(data);
1888
1889 monitor_printf(mon, "kvm support: ");
1890 if (qdict_get_bool(qdict, "present")) {
1891 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1892 "enabled" : "disabled");
1893 } else {
1894 monitor_printf(mon, "not compiled\n");
1895 }
1896 }
1897
1898 /**
1899 * do_info_kvm(): Show KVM information
1900 *
1901 * Return a QDict with the following information:
1902 *
1903 * - "enabled": true if KVM support is enabled, false otherwise
1904 * - "present": true if QEMU has KVM support, false otherwise
1905 *
1906 * Example:
1907 *
1908 * { "enabled": true, "present": true }
1909 */
1910 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1911 {
1912 #ifdef CONFIG_KVM
1913 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1914 kvm_enabled());
1915 #else
1916 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1917 #endif
1918 }
1919
1920 static void do_info_numa(Monitor *mon)
1921 {
1922 int i;
1923 CPUState *env;
1924
1925 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1926 for (i = 0; i < nb_numa_nodes; i++) {
1927 monitor_printf(mon, "node %d cpus:", i);
1928 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1929 if (env->numa_node == i) {
1930 monitor_printf(mon, " %d", env->cpu_index);
1931 }
1932 }
1933 monitor_printf(mon, "\n");
1934 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1935 node_mem[i] >> 20);
1936 }
1937 }
1938
1939 #ifdef CONFIG_PROFILER
1940
1941 int64_t qemu_time;
1942 int64_t dev_time;
1943
1944 static void do_info_profile(Monitor *mon)
1945 {
1946 int64_t total;
1947 total = qemu_time;
1948 if (total == 0)
1949 total = 1;
1950 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1951 dev_time, dev_time / (double)get_ticks_per_sec());
1952 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1953 qemu_time, qemu_time / (double)get_ticks_per_sec());
1954 qemu_time = 0;
1955 dev_time = 0;
1956 }
1957 #else
1958 static void do_info_profile(Monitor *mon)
1959 {
1960 monitor_printf(mon, "Internal profiler not compiled\n");
1961 }
1962 #endif
1963
1964 /* Capture support */
1965 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1966
1967 static void do_info_capture(Monitor *mon)
1968 {
1969 int i;
1970 CaptureState *s;
1971
1972 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1973 monitor_printf(mon, "[%d]: ", i);
1974 s->ops.info (s->opaque);
1975 }
1976 }
1977
1978 #ifdef HAS_AUDIO
1979 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1980 {
1981 int i;
1982 int n = qdict_get_int(qdict, "n");
1983 CaptureState *s;
1984
1985 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1986 if (i == n) {
1987 s->ops.destroy (s->opaque);
1988 QLIST_REMOVE (s, entries);
1989 qemu_free (s);
1990 return;
1991 }
1992 }
1993 }
1994
1995 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1996 {
1997 const char *path = qdict_get_str(qdict, "path");
1998 int has_freq = qdict_haskey(qdict, "freq");
1999 int freq = qdict_get_try_int(qdict, "freq", -1);
2000 int has_bits = qdict_haskey(qdict, "bits");
2001 int bits = qdict_get_try_int(qdict, "bits", -1);
2002 int has_channels = qdict_haskey(qdict, "nchannels");
2003 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
2004 CaptureState *s;
2005
2006 s = qemu_mallocz (sizeof (*s));
2007
2008 freq = has_freq ? freq : 44100;
2009 bits = has_bits ? bits : 16;
2010 nchannels = has_channels ? nchannels : 2;
2011
2012 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2013 monitor_printf(mon, "Faied to add wave capture\n");
2014 qemu_free (s);
2015 }
2016 QLIST_INSERT_HEAD (&capture_head, s, entries);
2017 }
2018 #endif
2019
2020 #if defined(TARGET_I386)
2021 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2022 {
2023 CPUState *env;
2024 int cpu_index = qdict_get_int(qdict, "cpu_index");
2025
2026 for (env = first_cpu; env != NULL; env = env->next_cpu)
2027 if (env->cpu_index == cpu_index) {
2028 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2029 break;
2030 }
2031 }
2032 #endif
2033
2034 static void do_info_status_print(Monitor *mon, const QObject *data)
2035 {
2036 QDict *qdict;
2037
2038 qdict = qobject_to_qdict(data);
2039
2040 monitor_printf(mon, "VM status: ");
2041 if (qdict_get_bool(qdict, "running")) {
2042 monitor_printf(mon, "running");
2043 if (qdict_get_bool(qdict, "singlestep")) {
2044 monitor_printf(mon, " (single step mode)");
2045 }
2046 } else {
2047 monitor_printf(mon, "paused");
2048 }
2049
2050 monitor_printf(mon, "\n");
2051 }
2052
2053 /**
2054 * do_info_status(): VM status
2055 *
2056 * Return a QDict with the following information:
2057 *
2058 * - "running": true if the VM is running, or false if it is paused
2059 * - "singlestep": true if the VM is in single step mode, false otherwise
2060 *
2061 * Example:
2062 *
2063 * { "running": true, "singlestep": false }
2064 */
2065 static void do_info_status(Monitor *mon, QObject **ret_data)
2066 {
2067 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2068 vm_running, singlestep);
2069 }
2070
2071 static ram_addr_t balloon_get_value(void)
2072 {
2073 ram_addr_t actual;
2074
2075 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2076 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2077 return 0;
2078 }
2079
2080 actual = qemu_balloon_status();
2081 if (actual == 0) {
2082 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2083 return 0;
2084 }
2085
2086 return actual;
2087 }
2088
2089 /**
2090 * do_balloon(): Request VM to change its memory allocation
2091 */
2092 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2093 {
2094 if (balloon_get_value()) {
2095 /* ballooning is active */
2096 qemu_balloon(qdict_get_int(qdict, "value"));
2097 }
2098 }
2099
2100 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2101 {
2102 QDict *qdict;
2103
2104 qdict = qobject_to_qdict(data);
2105
2106 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2107 qdict_get_int(qdict, "balloon") >> 20);
2108 }
2109
2110 /**
2111 * do_info_balloon(): Balloon information
2112 *
2113 * Return a QDict with the following information:
2114 *
2115 * - "balloon": current balloon value in bytes
2116 *
2117 * Example:
2118 *
2119 * { "balloon": 1073741824 }
2120 */
2121 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2122 {
2123 ram_addr_t actual;
2124
2125 actual = balloon_get_value();
2126 if (actual != 0) {
2127 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2128 (int64_t) actual);
2129 }
2130 }
2131
2132 static qemu_acl *find_acl(Monitor *mon, const char *name)
2133 {
2134 qemu_acl *acl = qemu_acl_find(name);
2135
2136 if (!acl) {
2137 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2138 }
2139 return acl;
2140 }
2141
2142 static void do_acl_show(Monitor *mon, const QDict *qdict)
2143 {
2144 const char *aclname = qdict_get_str(qdict, "aclname");
2145 qemu_acl *acl = find_acl(mon, aclname);
2146 qemu_acl_entry *entry;
2147 int i = 0;
2148
2149 if (acl) {
2150 monitor_printf(mon, "policy: %s\n",
2151 acl->defaultDeny ? "deny" : "allow");
2152 QTAILQ_FOREACH(entry, &acl->entries, next) {
2153 i++;
2154 monitor_printf(mon, "%d: %s %s\n", i,
2155 entry->deny ? "deny" : "allow", entry->match);
2156 }
2157 }
2158 }
2159
2160 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2161 {
2162 const char *aclname = qdict_get_str(qdict, "aclname");
2163 qemu_acl *acl = find_acl(mon, aclname);
2164
2165 if (acl) {
2166 qemu_acl_reset(acl);
2167 monitor_printf(mon, "acl: removed all rules\n");
2168 }
2169 }
2170
2171 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2172 {
2173 const char *aclname = qdict_get_str(qdict, "aclname");
2174 const char *policy = qdict_get_str(qdict, "policy");
2175 qemu_acl *acl = find_acl(mon, aclname);
2176
2177 if (acl) {
2178 if (strcmp(policy, "allow") == 0) {
2179 acl->defaultDeny = 0;
2180 monitor_printf(mon, "acl: policy set to 'allow'\n");
2181 } else if (strcmp(policy, "deny") == 0) {
2182 acl->defaultDeny = 1;
2183 monitor_printf(mon, "acl: policy set to 'deny'\n");
2184 } else {
2185 monitor_printf(mon, "acl: unknown policy '%s', "
2186 "expected 'deny' or 'allow'\n", policy);
2187 }
2188 }
2189 }
2190
2191 static void do_acl_add(Monitor *mon, const QDict *qdict)
2192 {
2193 const char *aclname = qdict_get_str(qdict, "aclname");
2194 const char *match = qdict_get_str(qdict, "match");
2195 const char *policy = qdict_get_str(qdict, "policy");
2196 int has_index = qdict_haskey(qdict, "index");
2197 int index = qdict_get_try_int(qdict, "index", -1);
2198 qemu_acl *acl = find_acl(mon, aclname);
2199 int deny, ret;
2200
2201 if (acl) {
2202 if (strcmp(policy, "allow") == 0) {
2203 deny = 0;
2204 } else if (strcmp(policy, "deny") == 0) {
2205 deny = 1;
2206 } else {
2207 monitor_printf(mon, "acl: unknown policy '%s', "
2208 "expected 'deny' or 'allow'\n", policy);
2209 return;
2210 }
2211 if (has_index)
2212 ret = qemu_acl_insert(acl, deny, match, index);
2213 else
2214 ret = qemu_acl_append(acl, deny, match);
2215 if (ret < 0)
2216 monitor_printf(mon, "acl: unable to add acl entry\n");
2217 else
2218 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2219 }
2220 }
2221
2222 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2223 {
2224 const char *aclname = qdict_get_str(qdict, "aclname");
2225 const char *match = qdict_get_str(qdict, "match");
2226 qemu_acl *acl = find_acl(mon, aclname);
2227 int ret;
2228
2229 if (acl) {
2230 ret = qemu_acl_remove(acl, match);
2231 if (ret < 0)
2232 monitor_printf(mon, "acl: no matching acl entry\n");
2233 else
2234 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2235 }
2236 }
2237
2238 #if defined(TARGET_I386)
2239 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2240 {
2241 CPUState *cenv;
2242 int cpu_index = qdict_get_int(qdict, "cpu_index");
2243 int bank = qdict_get_int(qdict, "bank");
2244 uint64_t status = qdict_get_int(qdict, "status");
2245 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2246 uint64_t addr = qdict_get_int(qdict, "addr");
2247 uint64_t misc = qdict_get_int(qdict, "misc");
2248
2249 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2250 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2251 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2252 break;
2253 }
2254 }
2255 #endif
2256
2257 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2258 {
2259 const char *fdname = qdict_get_str(qdict, "fdname");
2260 mon_fd_t *monfd;
2261 int fd;
2262
2263 fd = qemu_chr_get_msgfd(mon->chr);
2264 if (fd == -1) {
2265 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2266 return;
2267 }
2268
2269 if (qemu_isdigit(fdname[0])) {
2270 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2271 return;
2272 }
2273
2274 fd = dup(fd);
2275 if (fd == -1) {
2276 if (errno == EMFILE)
2277 qemu_error_new(QERR_TOO_MANY_FILES);
2278 else
2279 qemu_error_new(QERR_UNDEFINED_ERROR);
2280 return;
2281 }
2282
2283 QLIST_FOREACH(monfd, &mon->fds, next) {
2284 if (strcmp(monfd->name, fdname) != 0) {
2285 continue;
2286 }
2287
2288 close(monfd->fd);
2289 monfd->fd = fd;
2290 return;
2291 }
2292
2293 monfd = qemu_mallocz(sizeof(mon_fd_t));
2294 monfd->name = qemu_strdup(fdname);
2295 monfd->fd = fd;
2296
2297 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2298 }
2299
2300 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2301 {
2302 const char *fdname = qdict_get_str(qdict, "fdname");
2303 mon_fd_t *monfd;
2304
2305 QLIST_FOREACH(monfd, &mon->fds, next) {
2306 if (strcmp(monfd->name, fdname) != 0) {
2307 continue;
2308 }
2309
2310 QLIST_REMOVE(monfd, next);
2311 close(monfd->fd);
2312 qemu_free(monfd->name);
2313 qemu_free(monfd);
2314 return;
2315 }
2316
2317 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2318 }
2319
2320 static void do_loadvm(Monitor *mon, const QDict *qdict)
2321 {
2322 int saved_vm_running = vm_running;
2323 const char *name = qdict_get_str(qdict, "name");
2324
2325 vm_stop(0);
2326
2327 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2328 vm_start();
2329 }
2330
2331 int monitor_get_fd(Monitor *mon, const char *fdname)
2332 {
2333 mon_fd_t *monfd;
2334
2335 QLIST_FOREACH(monfd, &mon->fds, next) {
2336 int fd;
2337
2338 if (strcmp(monfd->name, fdname) != 0) {
2339 continue;
2340 }
2341
2342 fd = monfd->fd;
2343
2344 /* caller takes ownership of fd */
2345 QLIST_REMOVE(monfd, next);
2346 qemu_free(monfd->name);
2347 qemu_free(monfd);
2348
2349 return fd;
2350 }
2351
2352 return -1;
2353 }
2354
2355 static const mon_cmd_t mon_cmds[] = {
2356 #include "qemu-monitor.h"
2357 { NULL, NULL, },
2358 };
2359
2360 /* Please update qemu-monitor.hx when adding or changing commands */
2361 static const mon_cmd_t info_cmds[] = {
2362 {
2363 .name = "version",
2364 .args_type = "",
2365 .params = "",
2366 .help = "show the version of QEMU",
2367 .user_print = do_info_version_print,
2368 .mhandler.info_new = do_info_version,
2369 },
2370 {
2371 .name = "commands",
2372 .args_type = "",
2373 .params = "",
2374 .help = "list QMP available commands",
2375 .user_print = monitor_user_noop,
2376 .mhandler.info_new = do_info_commands,
2377 },
2378 {
2379 .name = "network",
2380 .args_type = "",
2381 .params = "",
2382 .help = "show the network state",
2383 .mhandler.info = do_info_network,
2384 },
2385 {
2386 .name = "chardev",
2387 .args_type = "",
2388 .params = "",
2389 .help = "show the character devices",
2390 .user_print = qemu_chr_info_print,
2391 .mhandler.info_new = qemu_chr_info,
2392 },
2393 {
2394 .name = "block",
2395 .args_type = "",
2396 .params = "",
2397 .help = "show the block devices",
2398 .user_print = bdrv_info_print,
2399 .mhandler.info_new = bdrv_info,
2400 },
2401 {
2402 .name = "blockstats",
2403 .args_type = "",
2404 .params = "",
2405 .help = "show block device statistics",
2406 .user_print = bdrv_stats_print,
2407 .mhandler.info_new = bdrv_info_stats,
2408 },
2409 {
2410 .name = "registers",
2411 .args_type = "",
2412 .params = "",
2413 .help = "show the cpu registers",
2414 .mhandler.info = do_info_registers,
2415 },
2416 {
2417 .name = "cpus",
2418 .args_type = "",
2419 .params = "",
2420 .help = "show infos for each CPU",
2421 .user_print = monitor_print_cpus,
2422 .mhandler.info_new = do_info_cpus,
2423 },
2424 {
2425 .name = "history",
2426 .args_type = "",
2427 .params = "",
2428 .help = "show the command line history",
2429 .mhandler.info = do_info_history,
2430 },
2431 {
2432 .name = "irq",
2433 .args_type = "",
2434 .params = "",
2435 .help = "show the interrupts statistics (if available)",
2436 .mhandler.info = irq_info,
2437 },
2438 {
2439 .name = "pic",
2440 .args_type = "",
2441 .params = "",
2442 .help = "show i8259 (PIC) state",
2443 .mhandler.info = pic_info,
2444 },
2445 {
2446 .name = "pci",
2447 .args_type = "",
2448 .params = "",
2449 .help = "show PCI info",
2450 .mhandler.info = pci_info,
2451 },
2452 #if defined(TARGET_I386) || defined(TARGET_SH4)
2453 {
2454 .name = "tlb",
2455 .args_type = "",
2456 .params = "",
2457 .help = "show virtual to physical memory mappings",
2458 .mhandler.info = tlb_info,
2459 },
2460 #endif
2461 #if defined(TARGET_I386)
2462 {
2463 .name = "mem",
2464 .args_type = "",
2465 .params = "",
2466 .help = "show the active virtual memory mappings",
2467 .mhandler.info = mem_info,
2468 },
2469 {
2470 .name = "hpet",
2471 .args_type = "",
2472 .params = "",
2473 .help = "show state of HPET",
2474 .user_print = do_info_hpet_print,
2475 .mhandler.info_new = do_info_hpet,
2476 },
2477 #endif
2478 {
2479 .name = "jit",
2480 .args_type = "",
2481 .params = "",
2482 .help = "show dynamic compiler info",
2483 .mhandler.info = do_info_jit,
2484 },
2485 {
2486 .name = "kvm",
2487 .args_type = "",
2488 .params = "",
2489 .help = "show KVM information",
2490 .user_print = do_info_kvm_print,
2491 .mhandler.info_new = do_info_kvm,
2492 },
2493 {
2494 .name = "numa",
2495 .args_type = "",
2496 .params = "",
2497 .help = "show NUMA information",
2498 .mhandler.info = do_info_numa,
2499 },
2500 {
2501 .name = "usb",
2502 .args_type = "",
2503 .params = "",
2504 .help = "show guest USB devices",
2505 .mhandler.info = usb_info,
2506 },
2507 {
2508 .name = "usbhost",
2509 .args_type = "",
2510 .params = "",
2511 .help = "show host USB devices",
2512 .mhandler.info = usb_host_info,
2513 },
2514 {
2515 .name = "profile",
2516 .args_type = "",
2517 .params = "",
2518 .help = "show profiling information",
2519 .mhandler.info = do_info_profile,
2520 },
2521 {
2522 .name = "capture",
2523 .args_type = "",
2524 .params = "",
2525 .help = "show capture information",
2526 .mhandler.info = do_info_capture,
2527 },
2528 {
2529 .name = "snapshots",
2530 .args_type = "",
2531 .params = "",
2532 .help = "show the currently saved VM snapshots",
2533 .mhandler.info = do_info_snapshots,
2534 },
2535 {
2536 .name = "status",
2537 .args_type = "",
2538 .params = "",
2539 .help = "show the current VM status (running|paused)",
2540 .user_print = do_info_status_print,
2541 .mhandler.info_new = do_info_status,
2542 },
2543 {
2544 .name = "pcmcia",
2545 .args_type = "",
2546 .params = "",
2547 .help = "show guest PCMCIA status",
2548 .mhandler.info = pcmcia_info,
2549 },
2550 {
2551 .name = "mice",
2552 .args_type = "",
2553 .params = "",
2554 .help = "show which guest mouse is receiving events",
2555 .user_print = do_info_mice_print,
2556 .mhandler.info_new = do_info_mice,
2557 },
2558 {
2559 .name = "vnc",
2560 .args_type = "",
2561 .params = "",
2562 .help = "show the vnc server status",
2563 .user_print = do_info_vnc_print,
2564 .mhandler.info_new = do_info_vnc,
2565 },
2566 {
2567 .name = "name",
2568 .args_type = "",
2569 .params = "",
2570 .help = "show the current VM name",
2571 .user_print = do_info_name_print,
2572 .mhandler.info_new = do_info_name,
2573 },
2574 {
2575 .name = "uuid",
2576 .args_type = "",
2577 .params = "",
2578 .help = "show the current VM UUID",
2579 .user_print = do_info_uuid_print,
2580 .mhandler.info_new = do_info_uuid,
2581 },
2582 #if defined(TARGET_PPC)
2583 {
2584 .name = "cpustats",
2585 .args_type = "",
2586 .params = "",
2587 .help = "show CPU statistics",
2588 .mhandler.info = do_info_cpu_stats,
2589 },
2590 #endif
2591 #if defined(CONFIG_SLIRP)
2592 {
2593 .name = "usernet",
2594 .args_type = "",
2595 .params = "",
2596 .help = "show user network stack connection states",
2597 .mhandler.info = do_info_usernet,
2598 },
2599 #endif
2600 {
2601 .name = "migrate",
2602 .args_type = "",
2603 .params = "",
2604 .help = "show migration status",
2605 .user_print = do_info_migrate_print,
2606 .mhandler.info_new = do_info_migrate,
2607 },
2608 {
2609 .name = "balloon",
2610 .args_type = "",
2611 .params = "",
2612 .help = "show balloon information",
2613 .user_print = monitor_print_balloon,
2614 .mhandler.info_new = do_info_balloon,
2615 },
2616 {
2617 .name = "qtree",
2618 .args_type = "",
2619 .params = "",
2620 .help = "show device tree",
2621 .mhandler.info = do_info_qtree,
2622 },
2623 {
2624 .name = "qdm",
2625 .args_type = "",
2626 .params = "",
2627 .help = "show qdev device model list",
2628 .mhandler.info = do_info_qdm,
2629 },
2630 {
2631 .name = "roms",
2632 .args_type = "",
2633 .params = "",
2634 .help = "show roms",
2635 .mhandler.info = do_info_roms,
2636 },
2637 {
2638 .name = NULL,
2639 },
2640 };
2641
2642 /*******************************************************************/
2643
2644 static const char *pch;
2645 static jmp_buf expr_env;
2646
2647 #define MD_TLONG 0
2648 #define MD_I32 1
2649
2650 typedef struct MonitorDef {
2651 const char *name;
2652 int offset;
2653 target_long (*get_value)(const struct MonitorDef *md, int val);
2654 int type;
2655 } MonitorDef;
2656
2657 #if defined(TARGET_I386)
2658 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2659 {
2660 CPUState *env = mon_get_cpu();
2661 if (!env)
2662 return 0;
2663 return env->eip + env->segs[R_CS].base;
2664 }
2665 #endif
2666
2667 #if defined(TARGET_PPC)
2668 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2669 {
2670 CPUState *env = mon_get_cpu();
2671 unsigned int u;
2672 int i;
2673
2674 if (!env)
2675 return 0;
2676
2677 u = 0;
2678 for (i = 0; i < 8; i++)
2679 u |= env->crf[i] << (32 - (4 * i));
2680
2681 return u;
2682 }
2683
2684 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2685 {
2686 CPUState *env = mon_get_cpu();
2687 if (!env)
2688 return 0;
2689 return env->msr;
2690 }
2691
2692 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2693 {
2694 CPUState *env = mon_get_cpu();
2695 if (!env)
2696 return 0;
2697 return env->xer;
2698 }
2699
2700 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2701 {
2702 CPUState *env = mon_get_cpu();
2703 if (!env)
2704 return 0;
2705 return cpu_ppc_load_decr(env);
2706 }
2707
2708 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2709 {
2710 CPUState *env = mon_get_cpu();
2711 if (!env)
2712 return 0;
2713 return cpu_ppc_load_tbu(env);
2714 }
2715
2716 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2717 {
2718 CPUState *env = mon_get_cpu();
2719 if (!env)
2720 return 0;
2721 return cpu_ppc_load_tbl(env);
2722 }
2723 #endif
2724
2725 #if defined(TARGET_SPARC)
2726 #ifndef TARGET_SPARC64
2727 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2728 {
2729 CPUState *env = mon_get_cpu();
2730 if (!env)
2731 return 0;
2732 return GET_PSR(env);
2733 }
2734 #endif
2735
2736 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2737 {
2738 CPUState *env = mon_get_cpu();
2739 if (!env)
2740 return 0;
2741 return env->regwptr[val];
2742 }
2743 #endif
2744
2745 static const MonitorDef monitor_defs[] = {
2746 #ifdef TARGET_I386
2747
2748 #define SEG(name, seg) \
2749 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2750 { name ".base", offsetof(CPUState, segs[seg].base) },\
2751 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2752
2753 { "eax", offsetof(CPUState, regs[0]) },
2754 { "ecx", offsetof(CPUState, regs[1]) },
2755 { "edx", offsetof(CPUState, regs[2]) },
2756 { "ebx", offsetof(CPUState, regs[3]) },
2757 { "esp|sp", offsetof(CPUState, regs[4]) },
2758 { "ebp|fp", offsetof(CPUState, regs[5]) },
2759 { "esi", offsetof(CPUState, regs[6]) },
2760 { "edi", offsetof(CPUState, regs[7]) },
2761 #ifdef TARGET_X86_64
2762 { "r8", offsetof(CPUState, regs[8]) },
2763 { "r9", offsetof(CPUState, regs[9]) },
2764 { "r10", offsetof(CPUState, regs[10]) },
2765 { "r11", offsetof(CPUState, regs[11]) },
2766 { "r12", offsetof(CPUState, regs[12]) },
2767 { "r13", offsetof(CPUState, regs[13]) },
2768 { "r14", offsetof(CPUState, regs[14]) },
2769 { "r15", offsetof(CPUState, regs[15]) },
2770 #endif
2771 { "eflags", offsetof(CPUState, eflags) },
2772 { "eip", offsetof(CPUState, eip) },
2773 SEG("cs", R_CS)
2774 SEG("ds", R_DS)
2775 SEG("es", R_ES)
2776 SEG("ss", R_SS)
2777 SEG("fs", R_FS)
2778 SEG("gs", R_GS)
2779 { "pc", 0, monitor_get_pc, },
2780 #elif defined(TARGET_PPC)
2781 /* General purpose registers */
2782 { "r0", offsetof(CPUState, gpr[0]) },
2783 { "r1", offsetof(CPUState, gpr[1]) },
2784 { "r2", offsetof(CPUState, gpr[2]) },
2785 { "r3", offsetof(CPUState, gpr[3]) },
2786 { "r4", offsetof(CPUState, gpr[4]) },
2787 { "r5", offsetof(CPUState, gpr[5]) },
2788 { "r6", offsetof(CPUState, gpr[6]) },
2789 { "r7", offsetof(CPUState, gpr[7]) },
2790 { "r8", offsetof(CPUState, gpr[8]) },
2791 { "r9", offsetof(CPUState, gpr[9]) },
2792 { "r10", offsetof(CPUState, gpr[10]) },
2793 { "r11", offsetof(CPUState, gpr[11]) },
2794 { "r12", offsetof(CPUState, gpr[12]) },
2795 { "r13", offsetof(CPUState, gpr[13]) },
2796 { "r14", offsetof(CPUState, gpr[14]) },
2797 { "r15", offsetof(CPUState, gpr[15]) },
2798 { "r16", offsetof(CPUState, gpr[16]) },
2799 { "r17", offsetof(CPUState, gpr[17]) },
2800 { "r18", offsetof(CPUState, gpr[18]) },
2801 { "r19", offsetof(CPUState, gpr[19]) },
2802 { "r20", offsetof(CPUState, gpr[20]) },
2803 { "r21", offsetof(CPUState, gpr[21]) },
2804 { "r22", offsetof(CPUState, gpr[22]) },
2805 { "r23", offsetof(CPUState, gpr[23]) },
2806 { "r24", offsetof(CPUState, gpr[24]) },
2807 { "r25", offsetof(CPUState, gpr[25]) },
2808 { "r26", offsetof(CPUState, gpr[26]) },
2809 { "r27", offsetof(CPUState, gpr[27]) },
2810 { "r28", offsetof(CPUState, gpr[28]) },
2811 { "r29", offsetof(CPUState, gpr[29]) },
2812 { "r30", offsetof(CPUState, gpr[30]) },
2813 { "r31", offsetof(CPUState, gpr[31]) },
2814 /* Floating point registers */
2815 { "f0", offsetof(CPUState, fpr[0]) },
2816 { "f1", offsetof(CPUState, fpr[1]) },
2817 { "f2", offsetof(CPUState, fpr[2]) },
2818 { "f3", offsetof(CPUState, fpr[3]) },
2819 { "f4", offsetof(CPUState, fpr[4]) },
2820 { "f5", offsetof(CPUState, fpr[5]) },
2821 { "f6", offsetof(CPUState, fpr[6]) },
2822 { "f7", offsetof(CPUState, fpr[7]) },
2823 { "f8", offsetof(CPUState, fpr[8]) },
2824 { "f9", offsetof(CPUState, fpr[9]) },
2825 { "f10", offsetof(CPUState, fpr[10]) },
2826 { "f11", offsetof(CPUState, fpr[11]) },
2827 { "f12", offsetof(CPUState, fpr[12]) },
2828 { "f13", offsetof(CPUState, fpr[13]) },
2829 { "f14", offsetof(CPUState, fpr[14]) },
2830 { "f15", offsetof(CPUState, fpr[15]) },
2831 { "f16", offsetof(CPUState, fpr[16]) },
2832 { "f17", offsetof(CPUState, fpr[17]) },
2833 { "f18", offsetof(CPUState, fpr[18]) },
2834 { "f19", offsetof(CPUState, fpr[19]) },
2835 { "f20", offsetof(CPUState, fpr[20]) },
2836 { "f21", offsetof(CPUState, fpr[21]) },
2837 { "f22", offsetof(CPUState, fpr[22]) },
2838 { "f23", offsetof(CPUState, fpr[23]) },
2839 { "f24", offsetof(CPUState, fpr[24]) },
2840 { "f25", offsetof(CPUState, fpr[25]) },
2841 { "f26", offsetof(CPUState, fpr[26]) },
2842 { "f27", offsetof(CPUState, fpr[27]) },
2843 { "f28", offsetof(CPUState, fpr[28]) },
2844 { "f29", offsetof(CPUState, fpr[29]) },
2845 { "f30", offsetof(CPUState, fpr[30]) },
2846 { "f31", offsetof(CPUState, fpr[31]) },
2847 { "fpscr", offsetof(CPUState, fpscr) },
2848 /* Next instruction pointer */
2849 { "nip|pc", offsetof(CPUState, nip) },
2850 { "lr", offsetof(CPUState, lr) },
2851 { "ctr", offsetof(CPUState, ctr) },
2852 { "decr", 0, &monitor_get_decr, },
2853 { "ccr", 0, &monitor_get_ccr, },
2854 /* Machine state register */
2855 { "msr", 0, &monitor_get_msr, },
2856 { "xer", 0, &monitor_get_xer, },
2857 { "tbu", 0, &monitor_get_tbu, },
2858 { "tbl", 0, &monitor_get_tbl, },
2859 #if defined(TARGET_PPC64)
2860 /* Address space register */
2861 { "asr", offsetof(CPUState, asr) },
2862 #endif
2863 /* Segment registers */
2864 { "sdr1", offsetof(CPUState, sdr1) },
2865 { "sr0", offsetof(CPUState, sr[0]) },
2866 { "sr1", offsetof(CPUState, sr[1]) },
2867 { "sr2", offsetof(CPUState, sr[2]) },
2868 { "sr3", offsetof(CPUState, sr[3]) },
2869 { "sr4", offsetof(CPUState, sr[4]) },
2870 { "sr5", offsetof(CPUState, sr[5]) },
2871 { "sr6", offsetof(CPUState, sr[6]) },
2872 { "sr7", offsetof(CPUState, sr[7]) },
2873 { "sr8", offsetof(CPUState, sr[8]) },
2874 { "sr9", offsetof(CPUState, sr[9]) },
2875 { "sr10", offsetof(CPUState, sr[10]) },
2876 { "sr11", offsetof(CPUState, sr[11]) },
2877 { "sr12", offsetof(CPUState, sr[12]) },
2878 { "sr13", offsetof(CPUState, sr[13]) },
2879 { "sr14", offsetof(CPUState, sr[14]) },
2880 { "sr15", offsetof(CPUState, sr[15]) },
2881 /* Too lazy to put BATs and SPRs ... */
2882 #elif defined(TARGET_SPARC)
2883 { "g0", offsetof(CPUState, gregs[0]) },
2884 { "g1", offsetof(CPUState, gregs[1]) },
2885 { "g2", offsetof(CPUState, gregs[2]) },
2886 { "g3", offsetof(CPUState, gregs[3]) },
2887 { "g4", offsetof(CPUState, gregs[4]) },
2888 { "g5", offsetof(CPUState, gregs[5]) },
2889 { "g6", offsetof(CPUState, gregs[6]) },
2890 { "g7", offsetof(CPUState, gregs[7]) },
2891 { "o0", 0, monitor_get_reg },
2892 { "o1", 1, monitor_get_reg },
2893 { "o2", 2, monitor_get_reg },
2894 { "o3", 3, monitor_get_reg },
2895 { "o4", 4, monitor_get_reg },
2896 { "o5", 5, monitor_get_reg },
2897 { "o6", 6, monitor_get_reg },
2898 { "o7", 7, monitor_get_reg },
2899 { "l0", 8, monitor_get_reg },
2900 { "l1", 9, monitor_get_reg },
2901 { "l2", 10, monitor_get_reg },
2902 { "l3", 11, monitor_get_reg },
2903 { "l4", 12, monitor_get_reg },
2904 { "l5", 13, monitor_get_reg },
2905 { "l6", 14, monitor_get_reg },
2906 { "l7", 15, monitor_get_reg },
2907 { "i0", 16, monitor_get_reg },
2908 { "i1", 17, monitor_get_reg },
2909 { "i2", 18, monitor_get_reg },
2910 { "i3", 19, monitor_get_reg },
2911 { "i4", 20, monitor_get_reg },
2912 { "i5", 21, monitor_get_reg },
2913 { "i6", 22, monitor_get_reg },
2914 { "i7", 23, monitor_get_reg },
2915 { "pc", offsetof(CPUState, pc) },
2916 { "npc", offsetof(CPUState, npc) },
2917 { "y", offsetof(CPUState, y) },
2918 #ifndef TARGET_SPARC64
2919 { "psr", 0, &monitor_get_psr, },
2920 { "wim", offsetof(CPUState, wim) },
2921 #endif
2922 { "tbr", offsetof(CPUState, tbr) },
2923 { "fsr", offsetof(CPUState, fsr) },
2924 { "f0", offsetof(CPUState, fpr[0]) },
2925 { "f1", offsetof(CPUState, fpr[1]) },
2926 { "f2", offsetof(CPUState, fpr[2]) },
2927 { "f3", offsetof(CPUState, fpr[3]) },
2928 { "f4", offsetof(CPUState, fpr[4]) },
2929 { "f5", offsetof(CPUState, fpr[5]) },
2930 { "f6", offsetof(CPUState, fpr[6]) },
2931 { "f7", offsetof(CPUState, fpr[7]) },
2932 { "f8", offsetof(CPUState, fpr[8]) },
2933 { "f9", offsetof(CPUState, fpr[9]) },
2934 { "f10", offsetof(CPUState, fpr[10]) },
2935 { "f11", offsetof(CPUState, fpr[11]) },
2936 { "f12", offsetof(CPUState, fpr[12]) },
2937 { "f13", offsetof(CPUState, fpr[13]) },
2938 { "f14", offsetof(CPUState, fpr[14]) },
2939 { "f15", offsetof(CPUState, fpr[15]) },
2940 { "f16", offsetof(CPUState, fpr[16]) },
2941 { "f17", offsetof(CPUState, fpr[17]) },
2942 { "f18", offsetof(CPUState, fpr[18]) },
2943 { "f19", offsetof(CPUState, fpr[19]) },
2944 { "f20", offsetof(CPUState, fpr[20]) },
2945 { "f21", offsetof(CPUState, fpr[21]) },
2946 { "f22", offsetof(CPUState, fpr[22]) },
2947 { "f23", offsetof(CPUState, fpr[23]) },
2948 { "f24", offsetof(CPUState, fpr[24]) },
2949 { "f25", offsetof(CPUState, fpr[25]) },
2950 { "f26", offsetof(CPUState, fpr[26]) },
2951 { "f27", offsetof(CPUState, fpr[27]) },
2952 { "f28", offsetof(CPUState, fpr[28]) },
2953 { "f29", offsetof(CPUState, fpr[29]) },
2954 { "f30", offsetof(CPUState, fpr[30]) },
2955 { "f31", offsetof(CPUState, fpr[31]) },
2956 #ifdef TARGET_SPARC64
2957 { "f32", offsetof(CPUState, fpr[32]) },
2958 { "f34", offsetof(CPUState, fpr[34]) },
2959 { "f36", offsetof(CPUState, fpr[36]) },
2960 { "f38", offsetof(CPUState, fpr[38]) },
2961 { "f40", offsetof(CPUState, fpr[40]) },
2962 { "f42", offsetof(CPUState, fpr[42]) },
2963 { "f44", offsetof(CPUState, fpr[44]) },
2964 { "f46", offsetof(CPUState, fpr[46]) },
2965 { "f48", offsetof(CPUState, fpr[48]) },
2966 { "f50", offsetof(CPUState, fpr[50]) },
2967 { "f52", offsetof(CPUState, fpr[52]) },
2968 { "f54", offsetof(CPUState, fpr[54]) },
2969 { "f56", offsetof(CPUState, fpr[56]) },
2970 { "f58", offsetof(CPUState, fpr[58]) },
2971 { "f60", offsetof(CPUState, fpr[60]) },
2972 { "f62", offsetof(CPUState, fpr[62]) },
2973 { "asi", offsetof(CPUState, asi) },
2974 { "pstate", offsetof(CPUState, pstate) },
2975 { "cansave", offsetof(CPUState, cansave) },
2976 { "canrestore", offsetof(CPUState, canrestore) },
2977 { "otherwin", offsetof(CPUState, otherwin) },
2978 { "wstate", offsetof(CPUState, wstate) },
2979 { "cleanwin", offsetof(CPUState, cleanwin) },
2980 { "fprs", offsetof(CPUState, fprs) },
2981 #endif
2982 #endif
2983 { NULL },
2984 };
2985
2986 static void expr_error(Monitor *mon, const char *msg)
2987 {
2988 monitor_printf(mon, "%s\n", msg);
2989 longjmp(expr_env, 1);
2990 }
2991
2992 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2993 static int get_monitor_def(target_long *pval, const char *name)
2994 {
2995 const MonitorDef *md;
2996 void *ptr;
2997
2998 for(md = monitor_defs; md->name != NULL; md++) {
2999 if (compare_cmd(name, md->name)) {
3000 if (md->get_value) {
3001 *pval = md->get_value(md, md->offset);
3002 } else {
3003 CPUState *env = mon_get_cpu();
3004 if (!env)
3005 return -2;
3006 ptr = (uint8_t *)env + md->offset;
3007 switch(md->type) {
3008 case MD_I32:
3009 *pval = *(int32_t *)ptr;
3010 break;
3011 case MD_TLONG:
3012 *pval = *(target_long *)ptr;
3013 break;
3014 default:
3015 *pval = 0;
3016 break;
3017 }
3018 }
3019 return 0;
3020 }
3021 }
3022 return -1;
3023 }
3024
3025 static void next(void)
3026 {
3027 if (*pch != '\0') {
3028 pch++;
3029 while (qemu_isspace(*pch))
3030 pch++;
3031 }
3032 }
3033
3034 static int64_t expr_sum(Monitor *mon);
3035
3036 static int64_t expr_unary(Monitor *mon)
3037 {
3038 int64_t n;
3039 char *p;
3040 int ret;
3041
3042 switch(*pch) {
3043 case '+':
3044 next();
3045 n = expr_unary(mon);
3046 break;
3047 case '-':
3048 next();
3049 n = -expr_unary(mon);
3050 break;
3051 case '~':
3052 next();
3053 n = ~expr_unary(mon);
3054 break;
3055 case '(':
3056 next();
3057 n = expr_sum(mon);
3058 if (*pch != ')') {
3059 expr_error(mon, "')' expected");
3060 }
3061 next();
3062 break;
3063 case '\'':
3064 pch++;
3065 if (*pch == '\0')
3066 expr_error(mon, "character constant expected");
3067 n = *pch;
3068 pch++;
3069 if (*pch != '\'')
3070 expr_error(mon, "missing terminating \' character");
3071 next();
3072 break;
3073 case '$':
3074 {
3075 char buf[128], *q;
3076 target_long reg=0;
3077
3078 pch++;
3079 q = buf;
3080 while ((*pch >= 'a' && *pch <= 'z') ||
3081 (*pch >= 'A' && *pch <= 'Z') ||
3082 (*pch >= '0' && *pch <= '9') ||
3083 *pch == '_' || *pch == '.') {
3084 if ((q - buf) < sizeof(buf) - 1)
3085 *q++ = *pch;
3086 pch++;
3087 }
3088 while (qemu_isspace(*pch))
3089 pch++;
3090 *q = 0;
3091 ret = get_monitor_def(&reg, buf);
3092 if (ret == -1)
3093 expr_error(mon, "unknown register");
3094 else if (ret == -2)
3095 expr_error(mon, "no cpu defined");
3096 n = reg;
3097 }
3098 break;
3099 case '\0':
3100 expr_error(mon, "unexpected end of expression");
3101 n = 0;
3102 break;
3103 default:
3104 #if TARGET_PHYS_ADDR_BITS > 32
3105 n = strtoull(pch, &p, 0);
3106 #else
3107 n = strtoul(pch, &p, 0);
3108 #endif
3109 if (pch == p) {
3110 expr_error(mon, "invalid char in expression");
3111 }
3112 pch = p;
3113 while (qemu_isspace(*pch))
3114 pch++;
3115 break;
3116 }
3117 return n;
3118 }
3119
3120
3121 static int64_t expr_prod(Monitor *mon)
3122 {
3123 int64_t val, val2;
3124 int op;
3125
3126 val = expr_unary(mon);
3127 for(;;) {
3128 op = *pch;
3129 if (op != '*' && op != '/' && op != '%')
3130 break;
3131 next();
3132 val2 = expr_unary(mon);
3133 switch(op) {
3134 default:
3135 case '*':
3136 val *= val2;
3137 break;
3138 case '/':
3139 case '%':
3140 if (val2 == 0)
3141 expr_error(mon, "division by zero");
3142 if (op == '/')
3143 val /= val2;
3144 else
3145 val %= val2;
3146 break;
3147 }
3148 }
3149 return val;
3150 }
3151
3152 static int64_t expr_logic(Monitor *mon)
3153 {
3154 int64_t val, val2;
3155 int op;
3156
3157 val = expr_prod(mon);
3158 for(;;) {
3159 op = *pch;
3160 if (op != '&' && op != '|' && op != '^')
3161 break;
3162 next();
3163 val2 = expr_prod(mon);
3164 switch(op) {
3165 default:
3166 case '&':
3167 val &= val2;
3168 break;
3169 case '|':
3170 val |= val2;
3171 break;
3172 case '^':
3173 val ^= val2;
3174 break;
3175 }
3176 }
3177 return val;
3178 }
3179
3180 static int64_t expr_sum(Monitor *mon)
3181 {
3182 int64_t val, val2;
3183 int op;
3184
3185 val = expr_logic(mon);
3186 for(;;) {
3187 op = *pch;
3188 if (op != '+' && op != '-')
3189 break;
3190 next();
3191 val2 = expr_logic(mon);
3192 if (op == '+')
3193 val += val2;
3194 else
3195 val -= val2;
3196 }
3197 return val;
3198 }
3199
3200 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3201 {
3202 pch = *pp;
3203 if (setjmp(expr_env)) {
3204 *pp = pch;
3205 return -1;
3206 }
3207 while (qemu_isspace(*pch))
3208 pch++;
3209 *pval = expr_sum(mon);
3210 *pp = pch;
3211 return 0;
3212 }
3213
3214 static int get_str(char *buf, int buf_size, const char **pp)
3215 {
3216 const char *p;
3217 char *q;
3218 int c;
3219
3220 q = buf;
3221 p = *pp;
3222 while (qemu_isspace(*p))
3223 p++;
3224 if (*p == '\0') {
3225 fail:
3226 *q = '\0';
3227 *pp = p;
3228 return -1;
3229 }
3230 if (*p == '\"') {
3231 p++;
3232 while (*p != '\0' && *p != '\"') {
3233 if (*p == '\\') {
3234 p++;
3235 c = *p++;
3236 switch(c) {
3237 case 'n':
3238 c = '\n';
3239 break;
3240 case 'r':
3241 c = '\r';
3242 break;
3243 case '\\':
3244 case '\'':
3245 case '\"':
3246 break;
3247 default:
3248 qemu_printf("unsupported escape code: '\\%c'\n", c);
3249 goto fail;
3250 }
3251 if ((q - buf) < buf_size - 1) {
3252 *q++ = c;
3253 }
3254 } else {
3255 if ((q - buf) < buf_size - 1) {
3256 *q++ = *p;
3257 }
3258 p++;
3259 }
3260 }
3261 if (*p != '\"') {
3262 qemu_printf("unterminated string\n");
3263 goto fail;
3264 }
3265 p++;
3266 } else {
3267 while (*p != '\0' && !qemu_isspace(*p)) {
3268 if ((q - buf) < buf_size - 1) {
3269 *q++ = *p;
3270 }
3271 p++;
3272 }
3273 }
3274 *q = '\0';
3275 *pp = p;
3276 return 0;
3277 }
3278
3279 /*
3280 * Store the command-name in cmdname, and return a pointer to
3281 * the remaining of the command string.
3282 */
3283 static const char *get_command_name(const char *cmdline,
3284 char *cmdname, size_t nlen)
3285 {
3286 size_t len;
3287 const char *p, *pstart;
3288
3289 p = cmdline;
3290 while (qemu_isspace(*p))
3291 p++;
3292 if (*p == '\0')
3293 return NULL;
3294 pstart = p;
3295 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3296 p++;
3297 len = p - pstart;
3298 if (len > nlen - 1)
3299 len = nlen - 1;
3300 memcpy(cmdname, pstart, len);
3301 cmdname[len] = '\0';
3302 return p;
3303 }
3304
3305 /**
3306 * Read key of 'type' into 'key' and return the current
3307 * 'type' pointer.
3308 */
3309 static char *key_get_info(const char *type, char **key)
3310 {
3311 size_t len;
3312 char *p, *str;
3313
3314 if (*type == ',')
3315 type++;
3316
3317 p = strchr(type, ':');
3318 if (!p) {
3319 *key = NULL;
3320 return NULL;
3321 }
3322 len = p - type;
3323
3324 str = qemu_malloc(len + 1);
3325 memcpy(str, type, len);
3326 str[len] = '\0';
3327
3328 *key = str;
3329 return ++p;
3330 }
3331
3332 static int default_fmt_format = 'x';
3333 static int default_fmt_size = 4;
3334
3335 #define MAX_ARGS 16
3336
3337 static int is_valid_option(const char *c, const char *typestr)
3338 {
3339 char option[3];
3340
3341 option[0] = '-';
3342 option[1] = *c;
3343 option[2] = '\0';
3344
3345 typestr = strstr(typestr, option);
3346 return (typestr != NULL);
3347 }
3348
3349 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3350 {
3351 const mon_cmd_t *cmd;
3352
3353 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3354 if (compare_cmd(cmdname, cmd->name)) {
3355 return cmd;
3356 }
3357 }
3358
3359 return NULL;
3360 }
3361
3362 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3363 const char *cmdline,
3364 QDict *qdict)
3365 {
3366 const char *p, *typestr;
3367 int c;
3368 const mon_cmd_t *cmd;
3369 char cmdname[256];
3370 char buf[1024];
3371 char *key;
3372
3373 #ifdef DEBUG
3374 monitor_printf(mon, "command='%s'\n", cmdline);
3375 #endif
3376
3377 /* extract the command name */
3378 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3379 if (!p)
3380 return NULL;
3381
3382 cmd = monitor_find_command(cmdname);
3383 if (!cmd) {
3384 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3385 return NULL;
3386 }
3387
3388 /* parse the parameters */
3389 typestr = cmd->args_type;
3390 for(;;) {
3391 typestr = key_get_info(typestr, &key);
3392 if (!typestr)
3393 break;
3394 c = *typestr;
3395 typestr++;
3396 switch(c) {
3397 case 'F':
3398 case 'B':
3399 case 's':
3400 {
3401 int ret;
3402
3403 while (qemu_isspace(*p))
3404 p++;
3405 if (*typestr == '?') {
3406 typestr++;
3407 if (*p == '\0') {
3408 /* no optional string: NULL argument */
3409 break;
3410 }
3411 }
3412 ret = get_str(buf, sizeof(buf), &p);
3413 if (ret < 0) {
3414 switch(c) {
3415 case 'F':
3416 monitor_printf(mon, "%s: filename expected\n",
3417 cmdname);
3418 break;
3419 case 'B':
3420 monitor_printf(mon, "%s: block device name expected\n",
3421 cmdname);
3422 break;
3423 default:
3424 monitor_printf(mon, "%s: string expected\n", cmdname);
3425 break;
3426 }
3427 goto fail;
3428 }
3429 qdict_put(qdict, key, qstring_from_str(buf));
3430 }
3431 break;
3432 case '/':
3433 {
3434 int count, format, size;
3435
3436 while (qemu_isspace(*p))
3437 p++;
3438 if (*p == '/') {
3439 /* format found */
3440 p++;
3441 count = 1;
3442 if (qemu_isdigit(*p)) {
3443 count = 0;
3444 while (qemu_isdigit(*p)) {
3445 count = count * 10 + (*p - '0');
3446 p++;
3447 }
3448 }
3449 size = -1;
3450 format = -1;
3451 for(;;) {
3452 switch(*p) {
3453 case 'o':
3454 case 'd':
3455 case 'u':
3456 case 'x':
3457 case 'i':
3458 case 'c':
3459 format = *p++;
3460 break;
3461 case 'b':
3462 size = 1;
3463 p++;
3464 break;
3465 case 'h':
3466 size = 2;
3467 p++;
3468 break;
3469 case 'w':
3470 size = 4;
3471 p++;
3472 break;
3473 case 'g':
3474 case 'L':
3475 size = 8;
3476 p++;
3477 break;
3478 default:
3479 goto next;
3480 }
3481 }
3482 next:
3483 if (*p != '\0' && !qemu_isspace(*p)) {
3484 monitor_printf(mon, "invalid char in format: '%c'\n",
3485 *p);
3486 goto fail;
3487 }
3488 if (format < 0)
3489 format = default_fmt_format;
3490 if (format != 'i') {
3491 /* for 'i', not specifying a size gives -1 as size */
3492 if (size < 0)
3493 size = default_fmt_size;
3494 default_fmt_size = size;
3495 }
3496 default_fmt_format = format;
3497 } else {
3498 count = 1;
3499 format = default_fmt_format;
3500 if (format != 'i') {
3501 size = default_fmt_size;
3502 } else {
3503 size = -1;
3504 }
3505 }
3506 qdict_put(qdict, "count", qint_from_int(count));
3507 qdict_put(qdict, "format", qint_from_int(format));
3508 qdict_put(qdict, "size", qint_from_int(size));
3509 }
3510 break;
3511 case 'i':
3512 case 'l':
3513 case 'M':
3514 {
3515 int64_t val;
3516
3517 while (qemu_isspace(*p))
3518 p++;
3519 if (*typestr == '?' || *typestr == '.') {
3520 if (*typestr == '?') {
3521 if (*p == '\0') {
3522 typestr++;
3523 break;
3524 }
3525 } else {
3526 if (*p == '.') {
3527 p++;
3528 while (qemu_isspace(*p))
3529 p++;
3530 } else {
3531 typestr++;
3532 break;
3533 }
3534 }
3535 typestr++;
3536 }
3537 if (get_expr(mon, &val, &p))
3538 goto fail;
3539 /* Check if 'i' is greater than 32-bit */
3540 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3541 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3542 monitor_printf(mon, "integer is for 32-bit values\n");
3543 goto fail;
3544 } else if (c == 'M') {
3545 val <<= 20;
3546 }
3547 qdict_put(qdict, key, qint_from_int(val));
3548 }
3549 break;
3550 case '-':
3551 {
3552 const char *tmp = p;
3553 int has_option, skip_key = 0;
3554 /* option */
3555
3556 c = *typestr++;
3557 if (c == '\0')
3558 goto bad_type;
3559 while (qemu_isspace(*p))
3560 p++;
3561 has_option = 0;
3562 if (*p == '-') {
3563 p++;
3564 if(c != *p) {
3565 if(!is_valid_option(p, typestr)) {
3566
3567 monitor_printf(mon, "%s: unsupported option -%c\n",
3568 cmdname, *p);
3569 goto fail;
3570 } else {
3571 skip_key = 1;
3572 }
3573 }
3574 if(skip_key) {
3575 p = tmp;
3576 } else {
3577 p++;
3578 has_option = 1;
3579 }
3580 }
3581 qdict_put(qdict, key, qint_from_int(has_option));
3582 }
3583 break;
3584 default:
3585 bad_type:
3586 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3587 goto fail;
3588 }
3589 qemu_free(key);
3590 key = NULL;
3591 }
3592 /* check that all arguments were parsed */
3593 while (qemu_isspace(*p))
3594 p++;
3595 if (*p != '\0') {
3596 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3597 cmdname);
3598 goto fail;
3599 }
3600
3601 return cmd;
3602
3603 fail:
3604 qemu_free(key);
3605 return NULL;
3606 }
3607
3608 static void monitor_print_error(Monitor *mon)
3609 {
3610 qerror_print(mon->error);
3611 QDECREF(mon->error);
3612 mon->error = NULL;
3613 }
3614
3615 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3616 const QDict *params)
3617 {
3618 QObject *data = NULL;
3619
3620 cmd->mhandler.cmd_new(mon, params, &data);
3621
3622 if (monitor_ctrl_mode(mon)) {
3623 /* Monitor Protocol */
3624 monitor_protocol_emitter(mon, data);
3625 } else {
3626 /* User Protocol */
3627 if (data)
3628 cmd->user_print(mon, data);
3629 }
3630
3631 qobject_decref(data);
3632 }
3633
3634 static void handle_user_command(Monitor *mon, const char *cmdline)
3635 {
3636 QDict *qdict;
3637 const mon_cmd_t *cmd;
3638
3639 qdict = qdict_new();
3640
3641 cmd = monitor_parse_command(mon, cmdline, qdict);
3642 if (!cmd)
3643 goto out;
3644
3645 qemu_errors_to_mon(mon);
3646
3647 if (monitor_handler_ported(cmd)) {
3648 monitor_call_handler(mon, cmd, qdict);
3649 } else {
3650 cmd->mhandler.cmd(mon, qdict);
3651 }
3652
3653 if (monitor_has_error(mon))
3654 monitor_print_error(mon);
3655
3656 qemu_errors_to_previous();
3657
3658 out:
3659 QDECREF(qdict);
3660 }
3661
3662 static void cmd_completion(const char *name, const char *list)
3663 {
3664 const char *p, *pstart;
3665 char cmd[128];
3666 int len;
3667
3668 p = list;
3669 for(;;) {
3670 pstart = p;
3671 p = strchr(p, '|');
3672 if (!p)
3673 p = pstart + strlen(pstart);
3674 len = p - pstart;
3675 if (len > sizeof(cmd) - 2)
3676 len = sizeof(cmd) - 2;
3677 memcpy(cmd, pstart, len);
3678 cmd[len] = '\0';
3679 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3680 readline_add_completion(cur_mon->rs, cmd);
3681 }
3682 if (*p == '\0')
3683 break;
3684 p++;
3685 }
3686 }
3687
3688 static void file_completion(const char *input)
3689 {
3690 DIR *ffs;
3691 struct dirent *d;
3692 char path[1024];
3693 char file[1024], file_prefix[1024];
3694 int input_path_len;
3695 const char *p;
3696
3697 p = strrchr(input, '/');
3698 if (!p) {
3699 input_path_len = 0;
3700 pstrcpy(file_prefix, sizeof(file_prefix), input);
3701 pstrcpy(path, sizeof(path), ".");
3702 } else {
3703 input_path_len = p - input + 1;
3704 memcpy(path, input, input_path_len);
3705 if (input_path_len > sizeof(path) - 1)
3706 input_path_len = sizeof(path) - 1;
3707 path[input_path_len] = '\0';
3708 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3709 }
3710 #ifdef DEBUG_COMPLETION
3711 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3712 input, path, file_prefix);
3713 #endif
3714 ffs = opendir(path);
3715 if (!ffs)
3716 return;
3717 for(;;) {
3718 struct stat sb;
3719 d = readdir(ffs);
3720 if (!d)
3721 break;
3722 if (strstart(d->d_name, file_prefix, NULL)) {
3723 memcpy(file, input, input_path_len);
3724 if (input_path_len < sizeof(file))
3725 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3726 d->d_name);
3727 /* stat the file to find out if it's a directory.
3728 * In that case add a slash to speed up typing long paths
3729 */
3730 stat(file, &sb);
3731 if(S_ISDIR(sb.st_mode))
3732 pstrcat(file, sizeof(file), "/");
3733 readline_add_completion(cur_mon->rs, file);
3734 }
3735 }
3736 closedir(ffs);
3737 }
3738
3739 static void block_completion_it(void *opaque, BlockDriverState *bs)
3740 {
3741 const char *name = bdrv_get_device_name(bs);
3742 const char *input = opaque;
3743
3744 if (input[0] == '\0' ||
3745 !strncmp(name, (char *)input, strlen(input))) {
3746 readline_add_completion(cur_mon->rs, name);
3747 }
3748 }
3749
3750 /* NOTE: this parser is an approximate form of the real command parser */
3751 static void parse_cmdline(const char *cmdline,
3752 int *pnb_args, char **args)
3753 {
3754 const char *p;
3755 int nb_args, ret;
3756 char buf[1024];
3757
3758 p = cmdline;
3759 nb_args = 0;
3760 for(;;) {
3761 while (qemu_isspace(*p))
3762 p++;
3763 if (*p == '\0')
3764 break;
3765 if (nb_args >= MAX_ARGS)
3766 break;
3767 ret = get_str(buf, sizeof(buf), &p);
3768 args[nb_args] = qemu_strdup(buf);
3769 nb_args++;
3770 if (ret < 0)
3771 break;
3772 }
3773 *pnb_args = nb_args;
3774 }
3775
3776 static const char *next_arg_type(const char *typestr)
3777 {
3778 const char *p = strchr(typestr, ':');
3779 return (p != NULL ? ++p : typestr);
3780 }
3781
3782 static void monitor_find_completion(const char *cmdline)
3783 {
3784 const char *cmdname;
3785 char *args[MAX_ARGS];
3786 int nb_args, i, len;
3787 const char *ptype, *str;
3788 const mon_cmd_t *cmd;
3789 const KeyDef *key;
3790
3791 parse_cmdline(cmdline, &nb_args, args);
3792 #ifdef DEBUG_COMPLETION
3793 for(i = 0; i < nb_args; i++) {
3794 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3795 }
3796 #endif
3797
3798 /* if the line ends with a space, it means we want to complete the
3799 next arg */
3800 len = strlen(cmdline);
3801 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3802 if (nb_args >= MAX_ARGS)
3803 return;
3804 args[nb_args++] = qemu_strdup("");
3805 }
3806 if (nb_args <= 1) {
3807 /* command completion */
3808 if (nb_args == 0)
3809 cmdname = "";
3810 else
3811 cmdname = args[0];
3812 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3813 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3814 cmd_completion(cmdname, cmd->name);
3815 }
3816 } else {
3817 /* find the command */
3818 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3819 if (compare_cmd(args[0], cmd->name))
3820 goto found;
3821 }
3822 return;
3823 found:
3824 ptype = next_arg_type(cmd->args_type);
3825 for(i = 0; i < nb_args - 2; i++) {
3826 if (*ptype != '\0') {
3827 ptype = next_arg_type(ptype);
3828 while (*ptype == '?')
3829 ptype = next_arg_type(ptype);
3830 }
3831 }
3832 str = args[nb_args - 1];
3833 if (*ptype == '-' && ptype[1] != '\0') {
3834 ptype += 2;
3835 }
3836 switch(*ptype) {
3837 case 'F':
3838 /* file completion */
3839 readline_set_completion_index(cur_mon->rs, strlen(str));
3840 file_completion(str);
3841 break;
3842 case 'B':
3843 /* block device name completion */
3844 readline_set_completion_index(cur_mon->rs, strlen(str));
3845 bdrv_iterate(block_completion_it, (void *)str);
3846 break;
3847 case 's':
3848 /* XXX: more generic ? */
3849 if (!strcmp(cmd->name, "info")) {
3850 readline_set_completion_index(cur_mon->rs, strlen(str));
3851 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3852 cmd_completion(str, cmd->name);
3853 }
3854 } else if (!strcmp(cmd->name, "sendkey")) {
3855 char *sep = strrchr(str, '-');
3856 if (sep)
3857 str = sep + 1;
3858 readline_set_completion_index(cur_mon->rs, strlen(str));
3859 for(key = key_defs; key->name != NULL; key++) {
3860 cmd_completion(str, key->name);
3861 }
3862 } else if (!strcmp(cmd->name, "help|?")) {
3863 readline_set_completion_index(cur_mon->rs, strlen(str));
3864 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3865 cmd_completion(str, cmd->name);
3866 }
3867 }
3868 break;
3869 default:
3870 break;
3871 }
3872 }
3873 for(i = 0; i < nb_args; i++)
3874 qemu_free(args[i]);
3875 }
3876
3877 static int monitor_can_read(void *opaque)
3878 {
3879 Monitor *mon = opaque;
3880
3881 return (mon->suspend_cnt == 0) ? 1 : 0;
3882 }
3883
3884 typedef struct CmdArgs {
3885 QString *name;
3886 int type;
3887 int flag;
3888 int optional;
3889 } CmdArgs;
3890
3891 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3892 {
3893 if (!cmd_args->optional) {
3894 qemu_error_new(QERR_MISSING_PARAMETER, name);
3895 return -1;
3896 }
3897
3898 if (cmd_args->type == '-') {
3899 /* handlers expect a value, they need to be changed */
3900 qdict_put(args, name, qint_from_int(0));
3901 }
3902
3903 return 0;
3904 }
3905
3906 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3907 {
3908 QObject *value;
3909 const char *name;
3910
3911 name = qstring_get_str(cmd_args->name);
3912
3913 if (!args) {
3914 return check_opt(cmd_args, name, args);
3915 }
3916
3917 value = qdict_get(args, name);
3918 if (!value) {
3919 return check_opt(cmd_args, name, args);
3920 }
3921
3922 switch (cmd_args->type) {
3923 case 'F':
3924 case 'B':
3925 case 's':
3926 if (qobject_type(value) != QTYPE_QSTRING) {
3927 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3928 return -1;
3929 }
3930 break;
3931 case '/': {
3932 int i;
3933 const char *keys[] = { "count", "format", "size", NULL };
3934
3935 for (i = 0; keys[i]; i++) {
3936 QObject *obj = qdict_get(args, keys[i]);
3937 if (!obj) {
3938 qemu_error_new(QERR_MISSING_PARAMETER, name);
3939 return -1;
3940 }
3941 if (qobject_type(obj) != QTYPE_QINT) {
3942 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3943 return -1;
3944 }
3945 }
3946 break;
3947 }
3948 case 'i':
3949 case 'l':
3950 case 'M':
3951 if (qobject_type(value) != QTYPE_QINT) {
3952 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3953 return -1;
3954 }
3955 break;
3956 case '-':
3957 if (qobject_type(value) != QTYPE_QINT &&
3958 qobject_type(value) != QTYPE_QBOOL) {
3959 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3960 return -1;
3961 }
3962 if (qobject_type(value) == QTYPE_QBOOL) {
3963 /* handlers expect a QInt, they need to be changed */
3964 qdict_put(args, name,
3965 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3966 }
3967 break;
3968 default:
3969 /* impossible */
3970 abort();
3971 }
3972
3973 return 0;
3974 }
3975
3976 static void cmd_args_init(CmdArgs *cmd_args)
3977 {
3978 cmd_args->name = qstring_new();
3979 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3980 }
3981
3982 /*
3983 * This is not trivial, we have to parse Monitor command's argument
3984 * type syntax to be able to check the arguments provided by clients.
3985 *
3986 * In the near future we will be using an array for that and will be
3987 * able to drop all this parsing...
3988 */
3989 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3990 {
3991 int err;
3992 const char *p;
3993 CmdArgs cmd_args;
3994
3995 if (cmd->args_type == NULL) {
3996 return (qdict_size(args) == 0 ? 0 : -1);
3997 }
3998
3999 err = 0;
4000 cmd_args_init(&cmd_args);
4001
4002 for (p = cmd->args_type;; p++) {
4003 if (*p == ':') {
4004 cmd_args.type = *++p;
4005 p++;
4006 if (cmd_args.type == '-') {
4007 cmd_args.flag = *p++;
4008 cmd_args.optional = 1;
4009 } else if (*p == '?') {
4010 cmd_args.optional = 1;
4011 p++;
4012 }
4013
4014 assert(*p == ',' || *p == '\0');
4015 err = check_arg(&cmd_args, args);
4016
4017 QDECREF(cmd_args.name);
4018 cmd_args_init(&cmd_args);
4019
4020 if (err < 0) {
4021 break;
4022 }
4023 } else {
4024 qstring_append_chr(cmd_args.name, *p);
4025 }
4026
4027 if (*p == '\0') {
4028 break;
4029 }
4030 }
4031
4032 QDECREF(cmd_args.name);
4033 return err;
4034 }
4035
4036 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4037 {
4038 int err;
4039 QObject *obj;
4040 QDict *input, *args;
4041 const mon_cmd_t *cmd;
4042 Monitor *mon = cur_mon;
4043 const char *cmd_name, *info_item;
4044
4045 args = NULL;
4046 qemu_errors_to_mon(mon);
4047
4048 obj = json_parser_parse(tokens, NULL);
4049 if (!obj) {
4050 // FIXME: should be triggered in json_parser_parse()
4051 qemu_error_new(QERR_JSON_PARSING);
4052 goto err_out;
4053 } else if (qobject_type(obj) != QTYPE_QDICT) {
4054 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4055 qobject_decref(obj);
4056 goto err_out;
4057 }
4058
4059 input = qobject_to_qdict(obj);
4060
4061 mon->mc->id = qdict_get(input, "id");
4062 qobject_incref(mon->mc->id);
4063
4064 obj = qdict_get(input, "execute");
4065 if (!obj) {
4066 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4067 goto err_input;
4068 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4069 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4070 goto err_input;
4071 }
4072
4073 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4074
4075 /*
4076 * XXX: We need this special case until we get info handlers
4077 * converted into 'query-' commands
4078 */
4079 if (compare_cmd(cmd_name, "info")) {
4080 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4081 goto err_input;
4082 } else if (strstart(cmd_name, "query-", &info_item)) {
4083 cmd = monitor_find_command("info");
4084 qdict_put_obj(input, "arguments",
4085 qobject_from_jsonf("{ 'item': %s }", info_item));
4086 } else {
4087 cmd = monitor_find_command(cmd_name);
4088 if (!cmd || !monitor_handler_ported(cmd)) {
4089 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4090 goto err_input;
4091 }
4092 }
4093
4094 obj = qdict_get(input, "arguments");
4095 if (!obj) {
4096 args = qdict_new();
4097 } else {
4098 args = qobject_to_qdict(obj);
4099 QINCREF(args);
4100 }
4101
4102 QDECREF(input);
4103
4104 err = monitor_check_qmp_args(cmd, args);
4105 if (err < 0) {
4106 goto err_out;
4107 }
4108
4109 monitor_call_handler(mon, cmd, args);
4110 goto out;
4111
4112 err_input:
4113 QDECREF(input);
4114 err_out:
4115 monitor_protocol_emitter(mon, NULL);
4116 out:
4117 QDECREF(args);
4118 qemu_errors_to_previous();
4119 }
4120
4121 /**
4122 * monitor_control_read(): Read and handle QMP input
4123 */
4124 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4125 {
4126 Monitor *old_mon = cur_mon;
4127
4128 cur_mon = opaque;
4129
4130 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4131
4132 cur_mon = old_mon;
4133 }
4134
4135 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4136 {
4137 Monitor *old_mon = cur_mon;
4138 int i;
4139
4140 cur_mon = opaque;
4141
4142 if (cur_mon->rs) {
4143 for (i = 0; i < size; i++)
4144 readline_handle_byte(cur_mon->rs, buf[i]);
4145 } else {
4146 if (size == 0 || buf[size - 1] != 0)
4147 monitor_printf(cur_mon, "corrupted command\n");
4148 else
4149 handle_user_command(cur_mon, (char *)buf);
4150 }
4151
4152 cur_mon = old_mon;
4153 }
4154
4155 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4156 {
4157 monitor_suspend(mon);
4158 handle_user_command(mon, cmdline);
4159 monitor_resume(mon);
4160 }
4161
4162 int monitor_suspend(Monitor *mon)
4163 {
4164 if (!mon->rs)
4165 return -ENOTTY;
4166 mon->suspend_cnt++;
4167 return 0;
4168 }
4169
4170 void monitor_resume(Monitor *mon)
4171 {
4172 if (!mon->rs)
4173 return;
4174 if (--mon->suspend_cnt == 0)
4175 readline_show_prompt(mon->rs);
4176 }
4177
4178 /**
4179 * monitor_control_event(): Print QMP gretting
4180 */
4181 static void monitor_control_event(void *opaque, int event)
4182 {
4183 if (event == CHR_EVENT_OPENED) {
4184 QObject *data;
4185 Monitor *mon = opaque;
4186
4187 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4188
4189 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4190 assert(data != NULL);
4191
4192 monitor_json_emitter(mon, data);
4193 qobject_decref(data);
4194 }
4195 }
4196
4197 static void monitor_event(void *opaque, int event)
4198 {
4199 Monitor *mon = opaque;
4200
4201 switch (event) {
4202 case CHR_EVENT_MUX_IN:
4203 mon->mux_out = 0;
4204 if (mon->reset_seen) {
4205 readline_restart(mon->rs);
4206 monitor_resume(mon);
4207 monitor_flush(mon);
4208 } else {
4209 mon->suspend_cnt = 0;
4210 }
4211 break;
4212
4213 case CHR_EVENT_MUX_OUT:
4214 if (mon->reset_seen) {
4215 if (mon->suspend_cnt == 0) {
4216 monitor_printf(mon, "\n");
4217 }
4218 monitor_flush(mon);
4219 monitor_suspend(mon);
4220 } else {
4221 mon->suspend_cnt++;
4222 }
4223 mon->mux_out = 1;
4224 break;
4225
4226 case CHR_EVENT_OPENED:
4227 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4228 "information\n", QEMU_VERSION);
4229 if (!mon->mux_out) {
4230 readline_show_prompt(mon->rs);
4231 }
4232 mon->reset_seen = 1;
4233 break;
4234 }
4235 }
4236
4237
4238 /*
4239 * Local variables:
4240 * c-indent-level: 4
4241 * c-basic-offset: 4
4242 * tab-width: 8
4243 * End:
4244 */
4245
4246 void monitor_init(CharDriverState *chr, int flags)
4247 {
4248 static int is_first_init = 1;
4249 Monitor *mon;
4250
4251 if (is_first_init) {
4252 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4253 is_first_init = 0;
4254 }
4255
4256 mon = qemu_mallocz(sizeof(*mon));
4257
4258 mon->chr = chr;
4259 mon->flags = flags;
4260 if (flags & MONITOR_USE_READLINE) {
4261 mon->rs = readline_init(mon, monitor_find_completion);
4262 monitor_read_command(mon, 0);
4263 }
4264
4265 if (monitor_ctrl_mode(mon)) {
4266 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4267 /* Control mode requires special handlers */
4268 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4269 monitor_control_event, mon);
4270 } else {
4271 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4272 monitor_event, mon);
4273 }
4274
4275 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4276 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4277 cur_mon = mon;
4278 }
4279
4280 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4281 {
4282 BlockDriverState *bs = opaque;
4283 int ret = 0;
4284
4285 if (bdrv_set_key(bs, password) != 0) {
4286 monitor_printf(mon, "invalid password\n");
4287 ret = -EPERM;
4288 }
4289 if (mon->password_completion_cb)
4290 mon->password_completion_cb(mon->password_opaque, ret);
4291
4292 monitor_read_command(mon, 1);
4293 }
4294
4295 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4296 BlockDriverCompletionFunc *completion_cb,
4297 void *opaque)
4298 {
4299 int err;
4300
4301 if (!bdrv_key_required(bs)) {
4302 if (completion_cb)
4303 completion_cb(opaque, 0);
4304 return;
4305 }
4306
4307 if (monitor_ctrl_mode(mon)) {
4308 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4309 return;
4310 }
4311
4312 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4313 bdrv_get_encrypted_filename(bs));
4314
4315 mon->password_completion_cb = completion_cb;
4316 mon->password_opaque = opaque;
4317
4318 err = monitor_read_password(mon, bdrv_password_cb, bs);
4319
4320 if (err && completion_cb)
4321 completion_cb(opaque, err);
4322 }
4323
4324 typedef struct QemuErrorSink QemuErrorSink;
4325 struct QemuErrorSink {
4326 enum {
4327 ERR_SINK_FILE,
4328 ERR_SINK_MONITOR,
4329 } dest;
4330 union {
4331 FILE *fp;
4332 Monitor *mon;
4333 };
4334 QemuErrorSink *previous;
4335 };
4336
4337 static QemuErrorSink *qemu_error_sink;
4338
4339 void qemu_errors_to_file(FILE *fp)
4340 {
4341 QemuErrorSink *sink;
4342
4343 sink = qemu_mallocz(sizeof(*sink));
4344 sink->dest = ERR_SINK_FILE;
4345 sink->fp = fp;
4346 sink->previous = qemu_error_sink;
4347 qemu_error_sink = sink;
4348 }
4349
4350 void qemu_errors_to_mon(Monitor *mon)
4351 {
4352 QemuErrorSink *sink;
4353
4354 sink = qemu_mallocz(sizeof(*sink));
4355 sink->dest = ERR_SINK_MONITOR;
4356 sink->mon = mon;
4357 sink->previous = qemu_error_sink;
4358 qemu_error_sink = sink;
4359 }
4360
4361 void qemu_errors_to_previous(void)
4362 {
4363 QemuErrorSink *sink;
4364
4365 assert(qemu_error_sink != NULL);
4366 sink = qemu_error_sink;
4367 qemu_error_sink = sink->previous;
4368 qemu_free(sink);
4369 }
4370
4371 void qemu_error(const char *fmt, ...)
4372 {
4373 va_list args;
4374
4375 assert(qemu_error_sink != NULL);
4376 switch (qemu_error_sink->dest) {
4377 case ERR_SINK_FILE:
4378 va_start(args, fmt);
4379 vfprintf(qemu_error_sink->fp, fmt, args);
4380 va_end(args);
4381 break;
4382 case ERR_SINK_MONITOR:
4383 va_start(args, fmt);
4384 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4385 va_end(args);
4386 break;
4387 }
4388 }
4389
4390 void qemu_error_internal(const char *file, int linenr, const char *func,
4391 const char *fmt, ...)
4392 {
4393 va_list va;
4394 QError *qerror;
4395
4396 assert(qemu_error_sink != NULL);
4397
4398 va_start(va, fmt);
4399 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4400 va_end(va);
4401
4402 switch (qemu_error_sink->dest) {
4403 case ERR_SINK_FILE:
4404 qerror_print(qerror);
4405 QDECREF(qerror);
4406 break;
4407 case ERR_SINK_MONITOR:
4408 assert(qemu_error_sink->mon->error == NULL);
4409 qemu_error_sink->mon->error = qerror;
4410 break;
4411 }
4412 }
Anthony Liguori's QEMU queue