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