QMP: Assure that returned data is a QDict
[qemu-kvm.git] / monitor.c
bloba3ec65f1d919d95fa427f1b77810585889d3203c
1 /*
2 * QEMU monitor
4 * Copyright (c) 2003-2004 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58 #include "osdep.h"
60 //#define DEBUG
61 //#define DEBUG_COMPLETION
64 * Supported types:
66 * 'F' filename
67 * 'B' block device name
68 * 's' string (accept optional quote)
69 * 'i' 32 bit integer
70 * 'l' target long (32 or 64 bit)
71 * '/' optional gdb-like print format (like "/10x")
73 * '?' optional type (for all types, except '/')
74 * '.' other form of optional type (for 'i' and 'l')
75 * '-' optional parameter (eg. '-f')
79 typedef struct mon_cmd_t {
80 const char *name;
81 const char *args_type;
82 const char *params;
83 const char *help;
84 void (*user_print)(Monitor *mon, const QObject *data);
85 union {
86 void (*info)(Monitor *mon);
87 void (*info_new)(Monitor *mon, QObject **ret_data);
88 void (*cmd)(Monitor *mon, const QDict *qdict);
89 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90 } mhandler;
91 } mon_cmd_t;
93 /* file descriptors passed via SCM_RIGHTS */
94 typedef struct mon_fd_t mon_fd_t;
95 struct mon_fd_t {
96 char *name;
97 int fd;
98 QLIST_ENTRY(mon_fd_t) next;
101 typedef struct MonitorControl {
102 QObject *id;
103 int print_enabled;
104 JSONMessageParser parser;
105 } MonitorControl;
107 struct Monitor {
108 CharDriverState *chr;
109 int mux_out;
110 int reset_seen;
111 int flags;
112 int suspend_cnt;
113 uint8_t outbuf[1024];
114 int outbuf_index;
115 ReadLineState *rs;
116 MonitorControl *mc;
117 CPUState *mon_cpu;
118 BlockDriverCompletionFunc *password_completion_cb;
119 void *password_opaque;
120 QError *error;
121 QLIST_HEAD(,mon_fd_t) fds;
122 QLIST_ENTRY(Monitor) entry;
125 static QLIST_HEAD(mon_list, Monitor) mon_list;
127 static const mon_cmd_t mon_cmds[];
128 static const mon_cmd_t info_cmds[];
130 Monitor *cur_mon = NULL;
132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
133 void *opaque);
135 /* Return true if in control mode, false otherwise */
136 static inline int monitor_ctrl_mode(const Monitor *mon)
138 return (mon->flags & MONITOR_USE_CONTROL);
141 static void monitor_read_command(Monitor *mon, int show_prompt)
143 if (!mon->rs)
144 return;
146 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
147 if (show_prompt)
148 readline_show_prompt(mon->rs);
151 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
152 void *opaque)
154 if (monitor_ctrl_mode(mon)) {
155 qemu_error_new(QERR_MISSING_PARAMETER, "password");
156 return -EINVAL;
157 } else if (mon->rs) {
158 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
159 /* prompt is printed on return from the command handler */
160 return 0;
161 } else {
162 monitor_printf(mon, "terminal does not support password prompting\n");
163 return -ENOTTY;
167 void monitor_flush(Monitor *mon)
169 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
170 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
171 mon->outbuf_index = 0;
175 /* flush at every end of line or if the buffer is full */
176 static void monitor_puts(Monitor *mon, const char *str)
178 char c;
180 for(;;) {
181 c = *str++;
182 if (c == '\0')
183 break;
184 if (c == '\n')
185 mon->outbuf[mon->outbuf_index++] = '\r';
186 mon->outbuf[mon->outbuf_index++] = c;
187 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
188 || c == '\n')
189 monitor_flush(mon);
193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
195 if (!mon)
196 return;
198 if (mon->mc && !mon->mc->print_enabled) {
199 qemu_error_new(QERR_UNDEFINED_ERROR);
200 } else {
201 char buf[4096];
202 vsnprintf(buf, sizeof(buf), fmt, ap);
203 monitor_puts(mon, buf);
207 void monitor_printf(Monitor *mon, const char *fmt, ...)
209 va_list ap;
210 va_start(ap, fmt);
211 monitor_vprintf(mon, fmt, ap);
212 va_end(ap);
215 void monitor_print_filename(Monitor *mon, const char *filename)
217 int i;
219 for (i = 0; filename[i]; i++) {
220 switch (filename[i]) {
221 case ' ':
222 case '"':
223 case '\\':
224 monitor_printf(mon, "\\%c", filename[i]);
225 break;
226 case '\t':
227 monitor_printf(mon, "\\t");
228 break;
229 case '\r':
230 monitor_printf(mon, "\\r");
231 break;
232 case '\n':
233 monitor_printf(mon, "\\n");
234 break;
235 default:
236 monitor_printf(mon, "%c", filename[i]);
237 break;
242 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
244 va_list ap;
245 va_start(ap, fmt);
246 monitor_vprintf((Monitor *)stream, fmt, ap);
247 va_end(ap);
248 return 0;
251 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
253 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
255 return cmd->user_print != NULL;
258 static inline int monitor_has_error(const Monitor *mon)
260 return mon->error != NULL;
263 static void monitor_json_emitter(Monitor *mon, const QObject *data)
265 QString *json;
267 json = qobject_to_json(data);
268 assert(json != NULL);
270 mon->mc->print_enabled = 1;
271 monitor_printf(mon, "%s\n", qstring_get_str(json));
272 mon->mc->print_enabled = 0;
274 QDECREF(json);
277 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
279 QDict *qmp;
281 qmp = qdict_new();
283 if (!monitor_has_error(mon)) {
284 /* success response */
285 if (data) {
286 assert(qobject_type(data) == QTYPE_QDICT);
287 qobject_incref(data);
288 qdict_put_obj(qmp, "return", data);
289 } else {
290 /* return an empty QDict by default */
291 qdict_put(qmp, "return", qdict_new());
293 } else {
294 /* error response */
295 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
296 qdict_put(qmp, "error", mon->error->error);
297 QINCREF(mon->error->error);
298 QDECREF(mon->error);
299 mon->error = NULL;
302 if (mon->mc->id) {
303 qdict_put_obj(qmp, "id", mon->mc->id);
304 mon->mc->id = NULL;
307 monitor_json_emitter(mon, QOBJECT(qmp));
308 QDECREF(qmp);
311 static void timestamp_put(QDict *qdict)
313 int err;
314 QObject *obj;
315 qemu_timeval tv;
317 err = qemu_gettimeofday(&tv);
318 if (err < 0)
319 return;
321 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
322 "'microseconds': %" PRId64 " }",
323 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
324 assert(obj != NULL);
326 qdict_put_obj(qdict, "timestamp", obj);
330 * monitor_protocol_event(): Generate a Monitor event
332 * Event-specific data can be emitted through the (optional) 'data' parameter.
334 void monitor_protocol_event(MonitorEvent event, QObject *data)
336 QDict *qmp;
337 const char *event_name;
338 Monitor *mon = cur_mon;
340 assert(event < QEVENT_MAX);
342 if (!monitor_ctrl_mode(mon))
343 return;
345 switch (event) {
346 case QEVENT_DEBUG:
347 event_name = "DEBUG";
348 break;
349 case QEVENT_SHUTDOWN:
350 event_name = "SHUTDOWN";
351 break;
352 case QEVENT_RESET:
353 event_name = "RESET";
354 break;
355 case QEVENT_POWERDOWN:
356 event_name = "POWERDOWN";
357 break;
358 case QEVENT_STOP:
359 event_name = "STOP";
360 break;
361 default:
362 abort();
363 break;
366 qmp = qdict_new();
367 timestamp_put(qmp);
368 qdict_put(qmp, "event", qstring_from_str(event_name));
369 if (data)
370 qdict_put_obj(qmp, "data", data);
372 monitor_json_emitter(mon, QOBJECT(qmp));
373 QDECREF(qmp);
376 static int compare_cmd(const char *name, const char *list)
378 const char *p, *pstart;
379 int len;
380 len = strlen(name);
381 p = list;
382 for(;;) {
383 pstart = p;
384 p = strchr(p, '|');
385 if (!p)
386 p = pstart + strlen(pstart);
387 if ((p - pstart) == len && !memcmp(pstart, name, len))
388 return 1;
389 if (*p == '\0')
390 break;
391 p++;
393 return 0;
396 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
397 const char *prefix, const char *name)
399 const mon_cmd_t *cmd;
401 for(cmd = cmds; cmd->name != NULL; cmd++) {
402 if (!name || !strcmp(name, cmd->name))
403 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
404 cmd->params, cmd->help);
408 static void help_cmd(Monitor *mon, const char *name)
410 if (name && !strcmp(name, "info")) {
411 help_cmd_dump(mon, info_cmds, "info ", NULL);
412 } else {
413 help_cmd_dump(mon, mon_cmds, "", name);
414 if (name && !strcmp(name, "log")) {
415 const CPULogItem *item;
416 monitor_printf(mon, "Log items (comma separated):\n");
417 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
418 for(item = cpu_log_items; item->mask != 0; item++) {
419 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
425 static void do_help_cmd(Monitor *mon, const QDict *qdict)
427 help_cmd(mon, qdict_get_try_str(qdict, "name"));
430 static void do_commit(Monitor *mon, const QDict *qdict)
432 int all_devices;
433 DriveInfo *dinfo;
434 const char *device = qdict_get_str(qdict, "device");
436 all_devices = !strcmp(device, "all");
437 QTAILQ_FOREACH(dinfo, &drives, next) {
438 if (!all_devices)
439 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
440 continue;
441 bdrv_commit(dinfo->bdrv);
445 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
447 const mon_cmd_t *cmd;
448 const char *item = qdict_get_try_str(qdict, "item");
450 if (!item) {
451 assert(monitor_ctrl_mode(mon) == 0);
452 goto help;
455 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
456 if (compare_cmd(item, cmd->name))
457 break;
460 if (cmd->name == NULL) {
461 if (monitor_ctrl_mode(mon)) {
462 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
463 return;
465 goto help;
468 if (monitor_handler_ported(cmd)) {
469 cmd->mhandler.info_new(mon, ret_data);
471 if (!monitor_ctrl_mode(mon)) {
473 * User Protocol function is called here, Monitor Protocol is
474 * handled by monitor_call_handler()
476 if (*ret_data)
477 cmd->user_print(mon, *ret_data);
479 } else {
480 if (monitor_ctrl_mode(mon)) {
481 /* handler not converted yet */
482 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
483 } else {
484 cmd->mhandler.info(mon);
488 return;
490 help:
491 help_cmd(mon, "info");
494 static void do_info_version_print(Monitor *mon, const QObject *data)
496 QDict *qdict;
498 qdict = qobject_to_qdict(data);
500 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
501 qdict_get_str(qdict, "package"));
505 * do_info_version(): Show QEMU version
507 * Return a QDict with the following information:
509 * - "qemu": QEMU's version
510 * - "package": package's version
512 * Example:
514 * { "qemu": "0.11.50", "package": "" }
516 static void do_info_version(Monitor *mon, QObject **ret_data)
518 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
519 QEMU_VERSION, QEMU_PKGVERSION);
522 static void do_info_name_print(Monitor *mon, const QObject *data)
524 QDict *qdict;
526 qdict = qobject_to_qdict(data);
527 if (qdict_size(qdict) == 0) {
528 return;
531 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
535 * do_info_name(): Show VM name
537 * Return a QDict with the following information:
539 * - "name": VM's name (optional)
541 * Example:
543 * { "name": "qemu-name" }
545 static void do_info_name(Monitor *mon, QObject **ret_data)
547 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
548 qobject_from_jsonf("{}");
551 static QObject *get_cmd_dict(const char *name)
553 const char *p;
555 /* Remove '|' from some commands */
556 p = strchr(name, '|');
557 if (p) {
558 p++;
559 } else {
560 p = name;
563 return qobject_from_jsonf("{ 'name': %s }", p);
567 * do_info_commands(): List QMP available commands
569 * Each command is represented by a QDict, the returned QObject is a QList
570 * of all commands.
572 * The QDict contains:
574 * - "name": command's name
576 * Example:
578 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
580 static void do_info_commands(Monitor *mon, QObject **ret_data)
582 QList *cmd_list;
583 const mon_cmd_t *cmd;
585 cmd_list = qlist_new();
587 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
588 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
589 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
593 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
594 if (monitor_handler_ported(cmd)) {
595 char buf[128];
596 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
597 qlist_append_obj(cmd_list, get_cmd_dict(buf));
601 *ret_data = QOBJECT(cmd_list);
604 #if defined(TARGET_I386)
605 static void do_info_hpet_print(Monitor *mon, const QObject *data)
607 monitor_printf(mon, "HPET is %s by QEMU\n",
608 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
609 "enabled" : "disabled");
613 * do_info_hpet(): Show HPET state
615 * Return a QDict with the following information:
617 * - "enabled": true if hpet if enabled, false otherwise
619 * Example:
621 * { "enabled": true }
623 static void do_info_hpet(Monitor *mon, QObject **ret_data)
625 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
627 #endif
629 static void do_info_uuid_print(Monitor *mon, const QObject *data)
631 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
635 * do_info_uuid(): Show VM UUID
637 * Return a QDict with the following information:
639 * - "UUID": Universally Unique Identifier
641 * Example:
643 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
645 static void do_info_uuid(Monitor *mon, QObject **ret_data)
647 char uuid[64];
649 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
650 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
651 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
652 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
653 qemu_uuid[14], qemu_uuid[15]);
654 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
657 /* get the current CPU defined by the user */
658 static int mon_set_cpu(int cpu_index)
660 CPUState *env;
662 for(env = first_cpu; env != NULL; env = env->next_cpu) {
663 if (env->cpu_index == cpu_index) {
664 cur_mon->mon_cpu = env;
665 return 0;
668 return -1;
671 static CPUState *mon_get_cpu(void)
673 if (!cur_mon->mon_cpu) {
674 mon_set_cpu(0);
676 cpu_synchronize_state(cur_mon->mon_cpu);
677 return cur_mon->mon_cpu;
680 static void do_info_registers(Monitor *mon)
682 CPUState *env;
683 env = mon_get_cpu();
684 if (!env)
685 return;
686 #ifdef TARGET_I386
687 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
688 X86_DUMP_FPU);
689 #else
690 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
692 #endif
695 static void print_cpu_iter(QObject *obj, void *opaque)
697 QDict *cpu;
698 int active = ' ';
699 Monitor *mon = opaque;
701 assert(qobject_type(obj) == QTYPE_QDICT);
702 cpu = qobject_to_qdict(obj);
704 if (qdict_get_bool(cpu, "current")) {
705 active = '*';
708 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
710 #if defined(TARGET_I386)
711 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
712 (target_ulong) qdict_get_int(cpu, "pc"));
713 #elif defined(TARGET_PPC)
714 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
715 (target_long) qdict_get_int(cpu, "nip"));
716 #elif defined(TARGET_SPARC)
717 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
718 (target_long) qdict_get_int(cpu, "pc"));
719 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
720 (target_long) qdict_get_int(cpu, "npc"));
721 #elif defined(TARGET_MIPS)
722 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
723 (target_long) qdict_get_int(cpu, "PC"));
724 #endif
726 if (qdict_get_bool(cpu, "halted")) {
727 monitor_printf(mon, " (halted)");
730 monitor_printf(mon, "\n");
733 static void monitor_print_cpus(Monitor *mon, const QObject *data)
735 QList *cpu_list;
737 assert(qobject_type(data) == QTYPE_QLIST);
738 cpu_list = qobject_to_qlist(data);
739 qlist_iter(cpu_list, print_cpu_iter, mon);
743 * do_info_cpus(): Show CPU information
745 * Return a QList. Each CPU is represented by a QDict, which contains:
747 * - "cpu": CPU index
748 * - "current": true if this is the current CPU, false otherwise
749 * - "halted": true if the cpu is halted, false otherwise
750 * - Current program counter. The key's name depends on the architecture:
751 * "pc": i386/x86)64
752 * "nip": PPC
753 * "pc" and "npc": sparc
754 * "PC": mips
756 * Example:
758 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
759 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
761 static void do_info_cpus(Monitor *mon, QObject **ret_data)
763 CPUState *env;
764 QList *cpu_list;
766 cpu_list = qlist_new();
768 /* just to set the default cpu if not already done */
769 mon_get_cpu();
771 for(env = first_cpu; env != NULL; env = env->next_cpu) {
772 QDict *cpu;
773 QObject *obj;
775 cpu_synchronize_state(env);
777 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
778 env->cpu_index, env == mon->mon_cpu,
779 env->halted);
780 assert(obj != NULL);
782 cpu = qobject_to_qdict(obj);
784 #if defined(TARGET_I386)
785 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
786 #elif defined(TARGET_PPC)
787 qdict_put(cpu, "nip", qint_from_int(env->nip));
788 #elif defined(TARGET_SPARC)
789 qdict_put(cpu, "pc", qint_from_int(env->pc));
790 qdict_put(cpu, "npc", qint_from_int(env->npc));
791 #elif defined(TARGET_MIPS)
792 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
793 #endif
795 qlist_append(cpu_list, cpu);
798 *ret_data = QOBJECT(cpu_list);
801 static void do_cpu_set(Monitor *mon, const QDict *qdict)
803 int index = qdict_get_int(qdict, "index");
804 if (mon_set_cpu(index) < 0)
805 monitor_printf(mon, "Invalid CPU index\n");
808 static void do_info_jit(Monitor *mon)
810 dump_exec_info((FILE *)mon, monitor_fprintf);
813 static void do_info_history(Monitor *mon)
815 int i;
816 const char *str;
818 if (!mon->rs)
819 return;
820 i = 0;
821 for(;;) {
822 str = readline_get_history(mon->rs, i);
823 if (!str)
824 break;
825 monitor_printf(mon, "%d: '%s'\n", i, str);
826 i++;
830 #if defined(TARGET_PPC)
831 /* XXX: not implemented in other targets */
832 static void do_info_cpu_stats(Monitor *mon)
834 CPUState *env;
836 env = mon_get_cpu();
837 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
839 #endif
842 * do_quit(): Quit QEMU execution
844 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
846 exit(0);
849 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
851 if (bdrv_is_inserted(bs)) {
852 if (!force) {
853 if (!bdrv_is_removable(bs)) {
854 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
855 bdrv_get_device_name(bs));
856 return -1;
858 if (bdrv_is_locked(bs)) {
859 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
860 return -1;
863 bdrv_close(bs);
865 return 0;
868 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
870 BlockDriverState *bs;
871 int force = qdict_get_int(qdict, "force");
872 const char *filename = qdict_get_str(qdict, "device");
874 bs = bdrv_find(filename);
875 if (!bs) {
876 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
877 return;
879 eject_device(mon, bs, force);
882 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
883 QObject **ret_data)
885 BlockDriverState *bs;
887 bs = bdrv_find(qdict_get_str(qdict, "device"));
888 if (!bs) {
889 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
890 return;
893 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
894 qemu_error_new(QERR_INVALID_PASSWORD);
898 static void do_change_block(Monitor *mon, const char *device,
899 const char *filename, const char *fmt)
901 BlockDriverState *bs;
902 BlockDriver *drv = NULL;
904 bs = bdrv_find(device);
905 if (!bs) {
906 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
907 return;
909 if (fmt) {
910 drv = bdrv_find_whitelisted_format(fmt);
911 if (!drv) {
912 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
913 return;
916 if (eject_device(mon, bs, 0) < 0)
917 return;
918 bdrv_open2(bs, filename, 0, drv);
919 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
922 static void change_vnc_password(const char *password)
924 if (vnc_display_password(NULL, password) < 0)
925 qemu_error_new(QERR_SET_PASSWD_FAILED);
929 static void change_vnc_password_cb(Monitor *mon, const char *password,
930 void *opaque)
932 change_vnc_password(password);
933 monitor_read_command(mon, 1);
936 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
938 if (strcmp(target, "passwd") == 0 ||
939 strcmp(target, "password") == 0) {
940 if (arg) {
941 char password[9];
942 strncpy(password, arg, sizeof(password));
943 password[sizeof(password) - 1] = '\0';
944 change_vnc_password(password);
945 } else {
946 monitor_read_password(mon, change_vnc_password_cb, NULL);
948 } else {
949 if (vnc_display_open(NULL, target) < 0)
950 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
955 * do_change(): Change a removable medium, or VNC configuration
957 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
959 const char *device = qdict_get_str(qdict, "device");
960 const char *target = qdict_get_str(qdict, "target");
961 const char *arg = qdict_get_try_str(qdict, "arg");
962 if (strcmp(device, "vnc") == 0) {
963 do_change_vnc(mon, target, arg);
964 } else {
965 do_change_block(mon, device, target, arg);
969 static void do_screen_dump(Monitor *mon, const QDict *qdict)
971 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
974 static void do_logfile(Monitor *mon, const QDict *qdict)
976 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
979 static void do_log(Monitor *mon, const QDict *qdict)
981 int mask;
982 const char *items = qdict_get_str(qdict, "items");
984 if (!strcmp(items, "none")) {
985 mask = 0;
986 } else {
987 mask = cpu_str_to_log_mask(items);
988 if (!mask) {
989 help_cmd(mon, "log");
990 return;
993 cpu_set_log(mask);
996 static void do_singlestep(Monitor *mon, const QDict *qdict)
998 const char *option = qdict_get_try_str(qdict, "option");
999 if (!option || !strcmp(option, "on")) {
1000 singlestep = 1;
1001 } else if (!strcmp(option, "off")) {
1002 singlestep = 0;
1003 } else {
1004 monitor_printf(mon, "unexpected option %s\n", option);
1009 * do_stop(): Stop VM execution
1011 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1013 vm_stop(EXCP_INTERRUPT);
1016 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1018 struct bdrv_iterate_context {
1019 Monitor *mon;
1020 int err;
1024 * do_cont(): Resume emulation.
1026 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1028 struct bdrv_iterate_context context = { mon, 0 };
1030 bdrv_iterate(encrypted_bdrv_it, &context);
1031 /* only resume the vm if all keys are set and valid */
1032 if (!context.err)
1033 vm_start();
1036 static void bdrv_key_cb(void *opaque, int err)
1038 Monitor *mon = opaque;
1040 /* another key was set successfully, retry to continue */
1041 if (!err)
1042 do_cont(mon, NULL, NULL);
1045 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1047 struct bdrv_iterate_context *context = opaque;
1049 if (!context->err && bdrv_key_required(bs)) {
1050 context->err = -EBUSY;
1051 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1052 context->mon);
1056 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1058 const char *device = qdict_get_try_str(qdict, "device");
1059 if (!device)
1060 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1061 if (gdbserver_start(device) < 0) {
1062 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1063 device);
1064 } else if (strcmp(device, "none") == 0) {
1065 monitor_printf(mon, "Disabled gdbserver\n");
1066 } else {
1067 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1068 device);
1072 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1074 const char *action = qdict_get_str(qdict, "action");
1075 if (select_watchdog_action(action) == -1) {
1076 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1080 static void monitor_printc(Monitor *mon, int c)
1082 monitor_printf(mon, "'");
1083 switch(c) {
1084 case '\'':
1085 monitor_printf(mon, "\\'");
1086 break;
1087 case '\\':
1088 monitor_printf(mon, "\\\\");
1089 break;
1090 case '\n':
1091 monitor_printf(mon, "\\n");
1092 break;
1093 case '\r':
1094 monitor_printf(mon, "\\r");
1095 break;
1096 default:
1097 if (c >= 32 && c <= 126) {
1098 monitor_printf(mon, "%c", c);
1099 } else {
1100 monitor_printf(mon, "\\x%02x", c);
1102 break;
1104 monitor_printf(mon, "'");
1107 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1108 target_phys_addr_t addr, int is_physical)
1110 CPUState *env;
1111 int nb_per_line, l, line_size, i, max_digits, len;
1112 uint8_t buf[16];
1113 uint64_t v;
1115 if (format == 'i') {
1116 int flags;
1117 flags = 0;
1118 env = mon_get_cpu();
1119 if (!env && !is_physical)
1120 return;
1121 #ifdef TARGET_I386
1122 if (wsize == 2) {
1123 flags = 1;
1124 } else if (wsize == 4) {
1125 flags = 0;
1126 } else {
1127 /* as default we use the current CS size */
1128 flags = 0;
1129 if (env) {
1130 #ifdef TARGET_X86_64
1131 if ((env->efer & MSR_EFER_LMA) &&
1132 (env->segs[R_CS].flags & DESC_L_MASK))
1133 flags = 2;
1134 else
1135 #endif
1136 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1137 flags = 1;
1140 #endif
1141 monitor_disas(mon, env, addr, count, is_physical, flags);
1142 return;
1145 len = wsize * count;
1146 if (wsize == 1)
1147 line_size = 8;
1148 else
1149 line_size = 16;
1150 nb_per_line = line_size / wsize;
1151 max_digits = 0;
1153 switch(format) {
1154 case 'o':
1155 max_digits = (wsize * 8 + 2) / 3;
1156 break;
1157 default:
1158 case 'x':
1159 max_digits = (wsize * 8) / 4;
1160 break;
1161 case 'u':
1162 case 'd':
1163 max_digits = (wsize * 8 * 10 + 32) / 33;
1164 break;
1165 case 'c':
1166 wsize = 1;
1167 break;
1170 while (len > 0) {
1171 if (is_physical)
1172 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1173 else
1174 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1175 l = len;
1176 if (l > line_size)
1177 l = line_size;
1178 if (is_physical) {
1179 cpu_physical_memory_rw(addr, buf, l, 0);
1180 } else {
1181 env = mon_get_cpu();
1182 if (!env)
1183 break;
1184 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1185 monitor_printf(mon, " Cannot access memory\n");
1186 break;
1189 i = 0;
1190 while (i < l) {
1191 switch(wsize) {
1192 default:
1193 case 1:
1194 v = ldub_raw(buf + i);
1195 break;
1196 case 2:
1197 v = lduw_raw(buf + i);
1198 break;
1199 case 4:
1200 v = (uint32_t)ldl_raw(buf + i);
1201 break;
1202 case 8:
1203 v = ldq_raw(buf + i);
1204 break;
1206 monitor_printf(mon, " ");
1207 switch(format) {
1208 case 'o':
1209 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1210 break;
1211 case 'x':
1212 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1213 break;
1214 case 'u':
1215 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1216 break;
1217 case 'd':
1218 monitor_printf(mon, "%*" PRId64, max_digits, v);
1219 break;
1220 case 'c':
1221 monitor_printc(mon, v);
1222 break;
1224 i += wsize;
1226 monitor_printf(mon, "\n");
1227 addr += l;
1228 len -= l;
1232 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1234 int count = qdict_get_int(qdict, "count");
1235 int format = qdict_get_int(qdict, "format");
1236 int size = qdict_get_int(qdict, "size");
1237 target_long addr = qdict_get_int(qdict, "addr");
1239 memory_dump(mon, count, format, size, addr, 0);
1242 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1244 int count = qdict_get_int(qdict, "count");
1245 int format = qdict_get_int(qdict, "format");
1246 int size = qdict_get_int(qdict, "size");
1247 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1249 memory_dump(mon, count, format, size, addr, 1);
1252 static void do_print(Monitor *mon, const QDict *qdict)
1254 int format = qdict_get_int(qdict, "format");
1255 target_phys_addr_t val = qdict_get_int(qdict, "val");
1257 #if TARGET_PHYS_ADDR_BITS == 32
1258 switch(format) {
1259 case 'o':
1260 monitor_printf(mon, "%#o", val);
1261 break;
1262 case 'x':
1263 monitor_printf(mon, "%#x", val);
1264 break;
1265 case 'u':
1266 monitor_printf(mon, "%u", val);
1267 break;
1268 default:
1269 case 'd':
1270 monitor_printf(mon, "%d", val);
1271 break;
1272 case 'c':
1273 monitor_printc(mon, val);
1274 break;
1276 #else
1277 switch(format) {
1278 case 'o':
1279 monitor_printf(mon, "%#" PRIo64, val);
1280 break;
1281 case 'x':
1282 monitor_printf(mon, "%#" PRIx64, val);
1283 break;
1284 case 'u':
1285 monitor_printf(mon, "%" PRIu64, val);
1286 break;
1287 default:
1288 case 'd':
1289 monitor_printf(mon, "%" PRId64, val);
1290 break;
1291 case 'c':
1292 monitor_printc(mon, val);
1293 break;
1295 #endif
1296 monitor_printf(mon, "\n");
1299 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1301 FILE *f;
1302 uint32_t size = qdict_get_int(qdict, "size");
1303 const char *filename = qdict_get_str(qdict, "filename");
1304 target_long addr = qdict_get_int(qdict, "val");
1305 uint32_t l;
1306 CPUState *env;
1307 uint8_t buf[1024];
1309 env = mon_get_cpu();
1310 if (!env)
1311 return;
1313 f = fopen(filename, "wb");
1314 if (!f) {
1315 monitor_printf(mon, "could not open '%s'\n", filename);
1316 return;
1318 while (size != 0) {
1319 l = sizeof(buf);
1320 if (l > size)
1321 l = size;
1322 cpu_memory_rw_debug(env, addr, buf, l, 0);
1323 fwrite(buf, 1, l, f);
1324 addr += l;
1325 size -= l;
1327 fclose(f);
1330 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1331 QObject **ret_data)
1333 FILE *f;
1334 uint32_t l;
1335 uint8_t buf[1024];
1336 uint32_t size = qdict_get_int(qdict, "size");
1337 const char *filename = qdict_get_str(qdict, "filename");
1338 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1340 f = fopen(filename, "wb");
1341 if (!f) {
1342 monitor_printf(mon, "could not open '%s'\n", filename);
1343 return;
1345 while (size != 0) {
1346 l = sizeof(buf);
1347 if (l > size)
1348 l = size;
1349 cpu_physical_memory_rw(addr, buf, l, 0);
1350 fwrite(buf, 1, l, f);
1351 fflush(f);
1352 addr += l;
1353 size -= l;
1355 fclose(f);
1358 static void do_sum(Monitor *mon, const QDict *qdict)
1360 uint32_t addr;
1361 uint8_t buf[1];
1362 uint16_t sum;
1363 uint32_t start = qdict_get_int(qdict, "start");
1364 uint32_t size = qdict_get_int(qdict, "size");
1366 sum = 0;
1367 for(addr = start; addr < (start + size); addr++) {
1368 cpu_physical_memory_rw(addr, buf, 1, 0);
1369 /* BSD sum algorithm ('sum' Unix command) */
1370 sum = (sum >> 1) | (sum << 15);
1371 sum += buf[0];
1373 monitor_printf(mon, "%05d\n", sum);
1376 typedef struct {
1377 int keycode;
1378 const char *name;
1379 } KeyDef;
1381 static const KeyDef key_defs[] = {
1382 { 0x2a, "shift" },
1383 { 0x36, "shift_r" },
1385 { 0x38, "alt" },
1386 { 0xb8, "alt_r" },
1387 { 0x64, "altgr" },
1388 { 0xe4, "altgr_r" },
1389 { 0x1d, "ctrl" },
1390 { 0x9d, "ctrl_r" },
1392 { 0xdd, "menu" },
1394 { 0x01, "esc" },
1396 { 0x02, "1" },
1397 { 0x03, "2" },
1398 { 0x04, "3" },
1399 { 0x05, "4" },
1400 { 0x06, "5" },
1401 { 0x07, "6" },
1402 { 0x08, "7" },
1403 { 0x09, "8" },
1404 { 0x0a, "9" },
1405 { 0x0b, "0" },
1406 { 0x0c, "minus" },
1407 { 0x0d, "equal" },
1408 { 0x0e, "backspace" },
1410 { 0x0f, "tab" },
1411 { 0x10, "q" },
1412 { 0x11, "w" },
1413 { 0x12, "e" },
1414 { 0x13, "r" },
1415 { 0x14, "t" },
1416 { 0x15, "y" },
1417 { 0x16, "u" },
1418 { 0x17, "i" },
1419 { 0x18, "o" },
1420 { 0x19, "p" },
1422 { 0x1c, "ret" },
1424 { 0x1e, "a" },
1425 { 0x1f, "s" },
1426 { 0x20, "d" },
1427 { 0x21, "f" },
1428 { 0x22, "g" },
1429 { 0x23, "h" },
1430 { 0x24, "j" },
1431 { 0x25, "k" },
1432 { 0x26, "l" },
1434 { 0x2c, "z" },
1435 { 0x2d, "x" },
1436 { 0x2e, "c" },
1437 { 0x2f, "v" },
1438 { 0x30, "b" },
1439 { 0x31, "n" },
1440 { 0x32, "m" },
1441 { 0x33, "comma" },
1442 { 0x34, "dot" },
1443 { 0x35, "slash" },
1445 { 0x37, "asterisk" },
1447 { 0x39, "spc" },
1448 { 0x3a, "caps_lock" },
1449 { 0x3b, "f1" },
1450 { 0x3c, "f2" },
1451 { 0x3d, "f3" },
1452 { 0x3e, "f4" },
1453 { 0x3f, "f5" },
1454 { 0x40, "f6" },
1455 { 0x41, "f7" },
1456 { 0x42, "f8" },
1457 { 0x43, "f9" },
1458 { 0x44, "f10" },
1459 { 0x45, "num_lock" },
1460 { 0x46, "scroll_lock" },
1462 { 0xb5, "kp_divide" },
1463 { 0x37, "kp_multiply" },
1464 { 0x4a, "kp_subtract" },
1465 { 0x4e, "kp_add" },
1466 { 0x9c, "kp_enter" },
1467 { 0x53, "kp_decimal" },
1468 { 0x54, "sysrq" },
1470 { 0x52, "kp_0" },
1471 { 0x4f, "kp_1" },
1472 { 0x50, "kp_2" },
1473 { 0x51, "kp_3" },
1474 { 0x4b, "kp_4" },
1475 { 0x4c, "kp_5" },
1476 { 0x4d, "kp_6" },
1477 { 0x47, "kp_7" },
1478 { 0x48, "kp_8" },
1479 { 0x49, "kp_9" },
1481 { 0x56, "<" },
1483 { 0x57, "f11" },
1484 { 0x58, "f12" },
1486 { 0xb7, "print" },
1488 { 0xc7, "home" },
1489 { 0xc9, "pgup" },
1490 { 0xd1, "pgdn" },
1491 { 0xcf, "end" },
1493 { 0xcb, "left" },
1494 { 0xc8, "up" },
1495 { 0xd0, "down" },
1496 { 0xcd, "right" },
1498 { 0xd2, "insert" },
1499 { 0xd3, "delete" },
1500 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1501 { 0xf0, "stop" },
1502 { 0xf1, "again" },
1503 { 0xf2, "props" },
1504 { 0xf3, "undo" },
1505 { 0xf4, "front" },
1506 { 0xf5, "copy" },
1507 { 0xf6, "open" },
1508 { 0xf7, "paste" },
1509 { 0xf8, "find" },
1510 { 0xf9, "cut" },
1511 { 0xfa, "lf" },
1512 { 0xfb, "help" },
1513 { 0xfc, "meta_l" },
1514 { 0xfd, "meta_r" },
1515 { 0xfe, "compose" },
1516 #endif
1517 { 0, NULL },
1520 static int get_keycode(const char *key)
1522 const KeyDef *p;
1523 char *endp;
1524 int ret;
1526 for(p = key_defs; p->name != NULL; p++) {
1527 if (!strcmp(key, p->name))
1528 return p->keycode;
1530 if (strstart(key, "0x", NULL)) {
1531 ret = strtoul(key, &endp, 0);
1532 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1533 return ret;
1535 return -1;
1538 #define MAX_KEYCODES 16
1539 static uint8_t keycodes[MAX_KEYCODES];
1540 static int nb_pending_keycodes;
1541 static QEMUTimer *key_timer;
1543 static void release_keys(void *opaque)
1545 int keycode;
1547 while (nb_pending_keycodes > 0) {
1548 nb_pending_keycodes--;
1549 keycode = keycodes[nb_pending_keycodes];
1550 if (keycode & 0x80)
1551 kbd_put_keycode(0xe0);
1552 kbd_put_keycode(keycode | 0x80);
1556 static void do_sendkey(Monitor *mon, const QDict *qdict)
1558 char keyname_buf[16];
1559 char *separator;
1560 int keyname_len, keycode, i;
1561 const char *string = qdict_get_str(qdict, "string");
1562 int has_hold_time = qdict_haskey(qdict, "hold_time");
1563 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1565 if (nb_pending_keycodes > 0) {
1566 qemu_del_timer(key_timer);
1567 release_keys(NULL);
1569 if (!has_hold_time)
1570 hold_time = 100;
1571 i = 0;
1572 while (1) {
1573 separator = strchr(string, '-');
1574 keyname_len = separator ? separator - string : strlen(string);
1575 if (keyname_len > 0) {
1576 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1577 if (keyname_len > sizeof(keyname_buf) - 1) {
1578 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1579 return;
1581 if (i == MAX_KEYCODES) {
1582 monitor_printf(mon, "too many keys\n");
1583 return;
1585 keyname_buf[keyname_len] = 0;
1586 keycode = get_keycode(keyname_buf);
1587 if (keycode < 0) {
1588 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1589 return;
1591 keycodes[i++] = keycode;
1593 if (!separator)
1594 break;
1595 string = separator + 1;
1597 nb_pending_keycodes = i;
1598 /* key down events */
1599 for (i = 0; i < nb_pending_keycodes; i++) {
1600 keycode = keycodes[i];
1601 if (keycode & 0x80)
1602 kbd_put_keycode(0xe0);
1603 kbd_put_keycode(keycode & 0x7f);
1605 /* delayed key up events */
1606 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1607 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1610 static int mouse_button_state;
1612 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1614 int dx, dy, dz;
1615 const char *dx_str = qdict_get_str(qdict, "dx_str");
1616 const char *dy_str = qdict_get_str(qdict, "dy_str");
1617 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1618 dx = strtol(dx_str, NULL, 0);
1619 dy = strtol(dy_str, NULL, 0);
1620 dz = 0;
1621 if (dz_str)
1622 dz = strtol(dz_str, NULL, 0);
1623 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1626 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1628 int button_state = qdict_get_int(qdict, "button_state");
1629 mouse_button_state = button_state;
1630 kbd_mouse_event(0, 0, 0, mouse_button_state);
1633 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1635 int size = qdict_get_int(qdict, "size");
1636 int addr = qdict_get_int(qdict, "addr");
1637 int has_index = qdict_haskey(qdict, "index");
1638 uint32_t val;
1639 int suffix;
1641 if (has_index) {
1642 int index = qdict_get_int(qdict, "index");
1643 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1644 addr++;
1646 addr &= 0xffff;
1648 switch(size) {
1649 default:
1650 case 1:
1651 val = cpu_inb(addr);
1652 suffix = 'b';
1653 break;
1654 case 2:
1655 val = cpu_inw(addr);
1656 suffix = 'w';
1657 break;
1658 case 4:
1659 val = cpu_inl(addr);
1660 suffix = 'l';
1661 break;
1663 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1664 suffix, addr, size * 2, val);
1667 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1669 int size = qdict_get_int(qdict, "size");
1670 int addr = qdict_get_int(qdict, "addr");
1671 int val = qdict_get_int(qdict, "val");
1673 addr &= IOPORTS_MASK;
1675 switch (size) {
1676 default:
1677 case 1:
1678 cpu_outb(addr, val);
1679 break;
1680 case 2:
1681 cpu_outw(addr, val);
1682 break;
1683 case 4:
1684 cpu_outl(addr, val);
1685 break;
1689 static void do_boot_set(Monitor *mon, const QDict *qdict)
1691 int res;
1692 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1694 res = qemu_boot_set(bootdevice);
1695 if (res == 0) {
1696 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1697 } else if (res > 0) {
1698 monitor_printf(mon, "setting boot device list failed\n");
1699 } else {
1700 monitor_printf(mon, "no function defined to set boot device list for "
1701 "this architecture\n");
1706 * do_system_reset(): Issue a machine reset
1708 static void do_system_reset(Monitor *mon, const QDict *qdict,
1709 QObject **ret_data)
1711 qemu_system_reset_request();
1715 * do_system_powerdown(): Issue a machine powerdown
1717 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1718 QObject **ret_data)
1720 qemu_system_powerdown_request();
1723 #if defined(TARGET_I386)
1724 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1726 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1727 addr,
1728 pte & mask,
1729 pte & PG_GLOBAL_MASK ? 'G' : '-',
1730 pte & PG_PSE_MASK ? 'P' : '-',
1731 pte & PG_DIRTY_MASK ? 'D' : '-',
1732 pte & PG_ACCESSED_MASK ? 'A' : '-',
1733 pte & PG_PCD_MASK ? 'C' : '-',
1734 pte & PG_PWT_MASK ? 'T' : '-',
1735 pte & PG_USER_MASK ? 'U' : '-',
1736 pte & PG_RW_MASK ? 'W' : '-');
1739 static void tlb_info(Monitor *mon)
1741 CPUState *env;
1742 int l1, l2;
1743 uint32_t pgd, pde, pte;
1745 env = mon_get_cpu();
1746 if (!env)
1747 return;
1749 if (!(env->cr[0] & CR0_PG_MASK)) {
1750 monitor_printf(mon, "PG disabled\n");
1751 return;
1753 pgd = env->cr[3] & ~0xfff;
1754 for(l1 = 0; l1 < 1024; l1++) {
1755 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1756 pde = le32_to_cpu(pde);
1757 if (pde & PG_PRESENT_MASK) {
1758 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1759 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1760 } else {
1761 for(l2 = 0; l2 < 1024; l2++) {
1762 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1763 (uint8_t *)&pte, 4);
1764 pte = le32_to_cpu(pte);
1765 if (pte & PG_PRESENT_MASK) {
1766 print_pte(mon, (l1 << 22) + (l2 << 12),
1767 pte & ~PG_PSE_MASK,
1768 ~0xfff);
1776 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1777 uint32_t end, int prot)
1779 int prot1;
1780 prot1 = *plast_prot;
1781 if (prot != prot1) {
1782 if (*pstart != -1) {
1783 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1784 *pstart, end, end - *pstart,
1785 prot1 & PG_USER_MASK ? 'u' : '-',
1786 'r',
1787 prot1 & PG_RW_MASK ? 'w' : '-');
1789 if (prot != 0)
1790 *pstart = end;
1791 else
1792 *pstart = -1;
1793 *plast_prot = prot;
1797 static void mem_info(Monitor *mon)
1799 CPUState *env;
1800 int l1, l2, prot, last_prot;
1801 uint32_t pgd, pde, pte, start, end;
1803 env = mon_get_cpu();
1804 if (!env)
1805 return;
1807 if (!(env->cr[0] & CR0_PG_MASK)) {
1808 monitor_printf(mon, "PG disabled\n");
1809 return;
1811 pgd = env->cr[3] & ~0xfff;
1812 last_prot = 0;
1813 start = -1;
1814 for(l1 = 0; l1 < 1024; l1++) {
1815 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1816 pde = le32_to_cpu(pde);
1817 end = l1 << 22;
1818 if (pde & PG_PRESENT_MASK) {
1819 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1820 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1821 mem_print(mon, &start, &last_prot, end, prot);
1822 } else {
1823 for(l2 = 0; l2 < 1024; l2++) {
1824 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1825 (uint8_t *)&pte, 4);
1826 pte = le32_to_cpu(pte);
1827 end = (l1 << 22) + (l2 << 12);
1828 if (pte & PG_PRESENT_MASK) {
1829 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1830 } else {
1831 prot = 0;
1833 mem_print(mon, &start, &last_prot, end, prot);
1836 } else {
1837 prot = 0;
1838 mem_print(mon, &start, &last_prot, end, prot);
1842 #endif
1844 #if defined(TARGET_SH4)
1846 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1848 monitor_printf(mon, " tlb%i:\t"
1849 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1850 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1851 "dirty=%hhu writethrough=%hhu\n",
1852 idx,
1853 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1854 tlb->v, tlb->sh, tlb->c, tlb->pr,
1855 tlb->d, tlb->wt);
1858 static void tlb_info(Monitor *mon)
1860 CPUState *env = mon_get_cpu();
1861 int i;
1863 monitor_printf (mon, "ITLB:\n");
1864 for (i = 0 ; i < ITLB_SIZE ; i++)
1865 print_tlb (mon, i, &env->itlb[i]);
1866 monitor_printf (mon, "UTLB:\n");
1867 for (i = 0 ; i < UTLB_SIZE ; i++)
1868 print_tlb (mon, i, &env->utlb[i]);
1871 #endif
1873 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1875 QDict *qdict;
1877 qdict = qobject_to_qdict(data);
1879 monitor_printf(mon, "kvm support: ");
1880 if (qdict_get_bool(qdict, "present")) {
1881 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1882 "enabled" : "disabled");
1883 } else {
1884 monitor_printf(mon, "not compiled\n");
1889 * do_info_kvm(): Show KVM information
1891 * Return a QDict with the following information:
1893 * - "enabled": true if KVM support is enabled, false otherwise
1894 * - "present": true if QEMU has KVM support, false otherwise
1896 * Example:
1898 * { "enabled": true, "present": true }
1900 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1902 #ifdef CONFIG_KVM
1903 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1904 kvm_enabled());
1905 #else
1906 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1907 #endif
1910 static void do_info_numa(Monitor *mon)
1912 int i;
1913 CPUState *env;
1915 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1916 for (i = 0; i < nb_numa_nodes; i++) {
1917 monitor_printf(mon, "node %d cpus:", i);
1918 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1919 if (env->numa_node == i) {
1920 monitor_printf(mon, " %d", env->cpu_index);
1923 monitor_printf(mon, "\n");
1924 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1925 node_mem[i] >> 20);
1929 #ifdef CONFIG_PROFILER
1931 int64_t qemu_time;
1932 int64_t dev_time;
1934 static void do_info_profile(Monitor *mon)
1936 int64_t total;
1937 total = qemu_time;
1938 if (total == 0)
1939 total = 1;
1940 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1941 dev_time, dev_time / (double)get_ticks_per_sec());
1942 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1943 qemu_time, qemu_time / (double)get_ticks_per_sec());
1944 qemu_time = 0;
1945 dev_time = 0;
1947 #else
1948 static void do_info_profile(Monitor *mon)
1950 monitor_printf(mon, "Internal profiler not compiled\n");
1952 #endif
1954 /* Capture support */
1955 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1957 static void do_info_capture(Monitor *mon)
1959 int i;
1960 CaptureState *s;
1962 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1963 monitor_printf(mon, "[%d]: ", i);
1964 s->ops.info (s->opaque);
1968 #ifdef HAS_AUDIO
1969 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1971 int i;
1972 int n = qdict_get_int(qdict, "n");
1973 CaptureState *s;
1975 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1976 if (i == n) {
1977 s->ops.destroy (s->opaque);
1978 QLIST_REMOVE (s, entries);
1979 qemu_free (s);
1980 return;
1985 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1987 const char *path = qdict_get_str(qdict, "path");
1988 int has_freq = qdict_haskey(qdict, "freq");
1989 int freq = qdict_get_try_int(qdict, "freq", -1);
1990 int has_bits = qdict_haskey(qdict, "bits");
1991 int bits = qdict_get_try_int(qdict, "bits", -1);
1992 int has_channels = qdict_haskey(qdict, "nchannels");
1993 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1994 CaptureState *s;
1996 s = qemu_mallocz (sizeof (*s));
1998 freq = has_freq ? freq : 44100;
1999 bits = has_bits ? bits : 16;
2000 nchannels = has_channels ? nchannels : 2;
2002 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2003 monitor_printf(mon, "Faied to add wave capture\n");
2004 qemu_free (s);
2006 QLIST_INSERT_HEAD (&capture_head, s, entries);
2008 #endif
2010 #if defined(TARGET_I386)
2011 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2013 CPUState *env;
2014 int cpu_index = qdict_get_int(qdict, "cpu_index");
2016 for (env = first_cpu; env != NULL; env = env->next_cpu)
2017 if (env->cpu_index == cpu_index) {
2018 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2019 break;
2022 #endif
2024 static void do_info_status_print(Monitor *mon, const QObject *data)
2026 QDict *qdict;
2028 qdict = qobject_to_qdict(data);
2030 monitor_printf(mon, "VM status: ");
2031 if (qdict_get_bool(qdict, "running")) {
2032 monitor_printf(mon, "running");
2033 if (qdict_get_bool(qdict, "singlestep")) {
2034 monitor_printf(mon, " (single step mode)");
2036 } else {
2037 monitor_printf(mon, "paused");
2040 monitor_printf(mon, "\n");
2044 * do_info_status(): VM status
2046 * Return a QDict with the following information:
2048 * - "running": true if the VM is running, or false if it is paused
2049 * - "singlestep": true if the VM is in single step mode, false otherwise
2051 * Example:
2053 * { "running": true, "singlestep": false }
2055 static void do_info_status(Monitor *mon, QObject **ret_data)
2057 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2058 vm_running, singlestep);
2061 static ram_addr_t balloon_get_value(void)
2063 ram_addr_t actual;
2065 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2066 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2067 return 0;
2070 actual = qemu_balloon_status();
2071 if (actual == 0) {
2072 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2073 return 0;
2076 return actual;
2080 * do_balloon(): Request VM to change its memory allocation
2082 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2084 if (balloon_get_value()) {
2085 /* ballooning is active */
2086 ram_addr_t value = qdict_get_int(qdict, "value");
2087 qemu_balloon(value << 20);
2091 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2093 QDict *qdict;
2095 qdict = qobject_to_qdict(data);
2097 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2098 qdict_get_int(qdict, "balloon") >> 20);
2102 * do_info_balloon(): Balloon information
2104 * Return a QDict with the following information:
2106 * - "balloon": current balloon value in bytes
2108 * Example:
2110 * { "balloon": 1073741824 }
2112 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2114 ram_addr_t actual;
2116 actual = balloon_get_value();
2117 if (actual != 0) {
2118 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2119 (int64_t) actual);
2123 static qemu_acl *find_acl(Monitor *mon, const char *name)
2125 qemu_acl *acl = qemu_acl_find(name);
2127 if (!acl) {
2128 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2130 return acl;
2133 static void do_acl_show(Monitor *mon, const QDict *qdict)
2135 const char *aclname = qdict_get_str(qdict, "aclname");
2136 qemu_acl *acl = find_acl(mon, aclname);
2137 qemu_acl_entry *entry;
2138 int i = 0;
2140 if (acl) {
2141 monitor_printf(mon, "policy: %s\n",
2142 acl->defaultDeny ? "deny" : "allow");
2143 QTAILQ_FOREACH(entry, &acl->entries, next) {
2144 i++;
2145 monitor_printf(mon, "%d: %s %s\n", i,
2146 entry->deny ? "deny" : "allow", entry->match);
2151 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2153 const char *aclname = qdict_get_str(qdict, "aclname");
2154 qemu_acl *acl = find_acl(mon, aclname);
2156 if (acl) {
2157 qemu_acl_reset(acl);
2158 monitor_printf(mon, "acl: removed all rules\n");
2162 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2164 const char *aclname = qdict_get_str(qdict, "aclname");
2165 const char *policy = qdict_get_str(qdict, "policy");
2166 qemu_acl *acl = find_acl(mon, aclname);
2168 if (acl) {
2169 if (strcmp(policy, "allow") == 0) {
2170 acl->defaultDeny = 0;
2171 monitor_printf(mon, "acl: policy set to 'allow'\n");
2172 } else if (strcmp(policy, "deny") == 0) {
2173 acl->defaultDeny = 1;
2174 monitor_printf(mon, "acl: policy set to 'deny'\n");
2175 } else {
2176 monitor_printf(mon, "acl: unknown policy '%s', "
2177 "expected 'deny' or 'allow'\n", policy);
2182 static void do_acl_add(Monitor *mon, const QDict *qdict)
2184 const char *aclname = qdict_get_str(qdict, "aclname");
2185 const char *match = qdict_get_str(qdict, "match");
2186 const char *policy = qdict_get_str(qdict, "policy");
2187 int has_index = qdict_haskey(qdict, "index");
2188 int index = qdict_get_try_int(qdict, "index", -1);
2189 qemu_acl *acl = find_acl(mon, aclname);
2190 int deny, ret;
2192 if (acl) {
2193 if (strcmp(policy, "allow") == 0) {
2194 deny = 0;
2195 } else if (strcmp(policy, "deny") == 0) {
2196 deny = 1;
2197 } else {
2198 monitor_printf(mon, "acl: unknown policy '%s', "
2199 "expected 'deny' or 'allow'\n", policy);
2200 return;
2202 if (has_index)
2203 ret = qemu_acl_insert(acl, deny, match, index);
2204 else
2205 ret = qemu_acl_append(acl, deny, match);
2206 if (ret < 0)
2207 monitor_printf(mon, "acl: unable to add acl entry\n");
2208 else
2209 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2213 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2215 const char *aclname = qdict_get_str(qdict, "aclname");
2216 const char *match = qdict_get_str(qdict, "match");
2217 qemu_acl *acl = find_acl(mon, aclname);
2218 int ret;
2220 if (acl) {
2221 ret = qemu_acl_remove(acl, match);
2222 if (ret < 0)
2223 monitor_printf(mon, "acl: no matching acl entry\n");
2224 else
2225 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2229 #if defined(TARGET_I386)
2230 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2232 CPUState *cenv;
2233 int cpu_index = qdict_get_int(qdict, "cpu_index");
2234 int bank = qdict_get_int(qdict, "bank");
2235 uint64_t status = qdict_get_int(qdict, "status");
2236 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2237 uint64_t addr = qdict_get_int(qdict, "addr");
2238 uint64_t misc = qdict_get_int(qdict, "misc");
2240 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2241 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2242 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2243 break;
2246 #endif
2248 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2250 const char *fdname = qdict_get_str(qdict, "fdname");
2251 mon_fd_t *monfd;
2252 int fd;
2254 fd = qemu_chr_get_msgfd(mon->chr);
2255 if (fd == -1) {
2256 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2257 return;
2260 if (qemu_isdigit(fdname[0])) {
2261 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2262 return;
2265 fd = dup(fd);
2266 if (fd == -1) {
2267 if (errno == EMFILE)
2268 qemu_error_new(QERR_TOO_MANY_FILES);
2269 else
2270 qemu_error_new(QERR_UNDEFINED_ERROR);
2271 return;
2274 QLIST_FOREACH(monfd, &mon->fds, next) {
2275 if (strcmp(monfd->name, fdname) != 0) {
2276 continue;
2279 close(monfd->fd);
2280 monfd->fd = fd;
2281 return;
2284 monfd = qemu_mallocz(sizeof(mon_fd_t));
2285 monfd->name = qemu_strdup(fdname);
2286 monfd->fd = fd;
2288 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2291 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2293 const char *fdname = qdict_get_str(qdict, "fdname");
2294 mon_fd_t *monfd;
2296 QLIST_FOREACH(monfd, &mon->fds, next) {
2297 if (strcmp(monfd->name, fdname) != 0) {
2298 continue;
2301 QLIST_REMOVE(monfd, next);
2302 close(monfd->fd);
2303 qemu_free(monfd->name);
2304 qemu_free(monfd);
2305 return;
2308 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2311 static void do_loadvm(Monitor *mon, const QDict *qdict)
2313 int saved_vm_running = vm_running;
2314 const char *name = qdict_get_str(qdict, "name");
2316 vm_stop(0);
2318 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2319 vm_start();
2322 int monitor_get_fd(Monitor *mon, const char *fdname)
2324 mon_fd_t *monfd;
2326 QLIST_FOREACH(monfd, &mon->fds, next) {
2327 int fd;
2329 if (strcmp(monfd->name, fdname) != 0) {
2330 continue;
2333 fd = monfd->fd;
2335 /* caller takes ownership of fd */
2336 QLIST_REMOVE(monfd, next);
2337 qemu_free(monfd->name);
2338 qemu_free(monfd);
2340 return fd;
2343 return -1;
2346 static const mon_cmd_t mon_cmds[] = {
2347 #include "qemu-monitor.h"
2348 { NULL, NULL, },
2351 /* Please update qemu-monitor.hx when adding or changing commands */
2352 static const mon_cmd_t info_cmds[] = {
2354 .name = "version",
2355 .args_type = "",
2356 .params = "",
2357 .help = "show the version of QEMU",
2358 .user_print = do_info_version_print,
2359 .mhandler.info_new = do_info_version,
2362 .name = "commands",
2363 .args_type = "",
2364 .params = "",
2365 .help = "list QMP available commands",
2366 .user_print = monitor_user_noop,
2367 .mhandler.info_new = do_info_commands,
2370 .name = "network",
2371 .args_type = "",
2372 .params = "",
2373 .help = "show the network state",
2374 .mhandler.info = do_info_network,
2377 .name = "chardev",
2378 .args_type = "",
2379 .params = "",
2380 .help = "show the character devices",
2381 .user_print = qemu_chr_info_print,
2382 .mhandler.info_new = qemu_chr_info,
2385 .name = "block",
2386 .args_type = "",
2387 .params = "",
2388 .help = "show the block devices",
2389 .user_print = bdrv_info_print,
2390 .mhandler.info_new = bdrv_info,
2393 .name = "blockstats",
2394 .args_type = "",
2395 .params = "",
2396 .help = "show block device statistics",
2397 .user_print = bdrv_stats_print,
2398 .mhandler.info_new = bdrv_info_stats,
2401 .name = "registers",
2402 .args_type = "",
2403 .params = "",
2404 .help = "show the cpu registers",
2405 .mhandler.info = do_info_registers,
2408 .name = "cpus",
2409 .args_type = "",
2410 .params = "",
2411 .help = "show infos for each CPU",
2412 .user_print = monitor_print_cpus,
2413 .mhandler.info_new = do_info_cpus,
2416 .name = "history",
2417 .args_type = "",
2418 .params = "",
2419 .help = "show the command line history",
2420 .mhandler.info = do_info_history,
2423 .name = "irq",
2424 .args_type = "",
2425 .params = "",
2426 .help = "show the interrupts statistics (if available)",
2427 .mhandler.info = irq_info,
2430 .name = "pic",
2431 .args_type = "",
2432 .params = "",
2433 .help = "show i8259 (PIC) state",
2434 .mhandler.info = pic_info,
2437 .name = "pci",
2438 .args_type = "",
2439 .params = "",
2440 .help = "show PCI info",
2441 .mhandler.info = pci_info,
2443 #if defined(TARGET_I386) || defined(TARGET_SH4)
2445 .name = "tlb",
2446 .args_type = "",
2447 .params = "",
2448 .help = "show virtual to physical memory mappings",
2449 .mhandler.info = tlb_info,
2451 #endif
2452 #if defined(TARGET_I386)
2454 .name = "mem",
2455 .args_type = "",
2456 .params = "",
2457 .help = "show the active virtual memory mappings",
2458 .mhandler.info = mem_info,
2461 .name = "hpet",
2462 .args_type = "",
2463 .params = "",
2464 .help = "show state of HPET",
2465 .user_print = do_info_hpet_print,
2466 .mhandler.info_new = do_info_hpet,
2468 #endif
2470 .name = "jit",
2471 .args_type = "",
2472 .params = "",
2473 .help = "show dynamic compiler info",
2474 .mhandler.info = do_info_jit,
2477 .name = "kvm",
2478 .args_type = "",
2479 .params = "",
2480 .help = "show KVM information",
2481 .user_print = do_info_kvm_print,
2482 .mhandler.info_new = do_info_kvm,
2485 .name = "numa",
2486 .args_type = "",
2487 .params = "",
2488 .help = "show NUMA information",
2489 .mhandler.info = do_info_numa,
2492 .name = "usb",
2493 .args_type = "",
2494 .params = "",
2495 .help = "show guest USB devices",
2496 .mhandler.info = usb_info,
2499 .name = "usbhost",
2500 .args_type = "",
2501 .params = "",
2502 .help = "show host USB devices",
2503 .mhandler.info = usb_host_info,
2506 .name = "profile",
2507 .args_type = "",
2508 .params = "",
2509 .help = "show profiling information",
2510 .mhandler.info = do_info_profile,
2513 .name = "capture",
2514 .args_type = "",
2515 .params = "",
2516 .help = "show capture information",
2517 .mhandler.info = do_info_capture,
2520 .name = "snapshots",
2521 .args_type = "",
2522 .params = "",
2523 .help = "show the currently saved VM snapshots",
2524 .mhandler.info = do_info_snapshots,
2527 .name = "status",
2528 .args_type = "",
2529 .params = "",
2530 .help = "show the current VM status (running|paused)",
2531 .user_print = do_info_status_print,
2532 .mhandler.info_new = do_info_status,
2535 .name = "pcmcia",
2536 .args_type = "",
2537 .params = "",
2538 .help = "show guest PCMCIA status",
2539 .mhandler.info = pcmcia_info,
2542 .name = "mice",
2543 .args_type = "",
2544 .params = "",
2545 .help = "show which guest mouse is receiving events",
2546 .user_print = do_info_mice_print,
2547 .mhandler.info_new = do_info_mice,
2550 .name = "vnc",
2551 .args_type = "",
2552 .params = "",
2553 .help = "show the vnc server status",
2554 .user_print = do_info_vnc_print,
2555 .mhandler.info_new = do_info_vnc,
2558 .name = "name",
2559 .args_type = "",
2560 .params = "",
2561 .help = "show the current VM name",
2562 .user_print = do_info_name_print,
2563 .mhandler.info_new = do_info_name,
2566 .name = "uuid",
2567 .args_type = "",
2568 .params = "",
2569 .help = "show the current VM UUID",
2570 .user_print = do_info_uuid_print,
2571 .mhandler.info_new = do_info_uuid,
2573 #if defined(TARGET_PPC)
2575 .name = "cpustats",
2576 .args_type = "",
2577 .params = "",
2578 .help = "show CPU statistics",
2579 .mhandler.info = do_info_cpu_stats,
2581 #endif
2582 #if defined(CONFIG_SLIRP)
2584 .name = "usernet",
2585 .args_type = "",
2586 .params = "",
2587 .help = "show user network stack connection states",
2588 .mhandler.info = do_info_usernet,
2590 #endif
2592 .name = "migrate",
2593 .args_type = "",
2594 .params = "",
2595 .help = "show migration status",
2596 .user_print = do_info_migrate_print,
2597 .mhandler.info_new = do_info_migrate,
2600 .name = "balloon",
2601 .args_type = "",
2602 .params = "",
2603 .help = "show balloon information",
2604 .user_print = monitor_print_balloon,
2605 .mhandler.info_new = do_info_balloon,
2608 .name = "qtree",
2609 .args_type = "",
2610 .params = "",
2611 .help = "show device tree",
2612 .mhandler.info = do_info_qtree,
2615 .name = "qdm",
2616 .args_type = "",
2617 .params = "",
2618 .help = "show qdev device model list",
2619 .mhandler.info = do_info_qdm,
2622 .name = "roms",
2623 .args_type = "",
2624 .params = "",
2625 .help = "show roms",
2626 .mhandler.info = do_info_roms,
2629 .name = NULL,
2633 /*******************************************************************/
2635 static const char *pch;
2636 static jmp_buf expr_env;
2638 #define MD_TLONG 0
2639 #define MD_I32 1
2641 typedef struct MonitorDef {
2642 const char *name;
2643 int offset;
2644 target_long (*get_value)(const struct MonitorDef *md, int val);
2645 int type;
2646 } MonitorDef;
2648 #if defined(TARGET_I386)
2649 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2651 CPUState *env = mon_get_cpu();
2652 if (!env)
2653 return 0;
2654 return env->eip + env->segs[R_CS].base;
2656 #endif
2658 #if defined(TARGET_PPC)
2659 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2661 CPUState *env = mon_get_cpu();
2662 unsigned int u;
2663 int i;
2665 if (!env)
2666 return 0;
2668 u = 0;
2669 for (i = 0; i < 8; i++)
2670 u |= env->crf[i] << (32 - (4 * i));
2672 return u;
2675 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2677 CPUState *env = mon_get_cpu();
2678 if (!env)
2679 return 0;
2680 return env->msr;
2683 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2685 CPUState *env = mon_get_cpu();
2686 if (!env)
2687 return 0;
2688 return env->xer;
2691 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2693 CPUState *env = mon_get_cpu();
2694 if (!env)
2695 return 0;
2696 return cpu_ppc_load_decr(env);
2699 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2701 CPUState *env = mon_get_cpu();
2702 if (!env)
2703 return 0;
2704 return cpu_ppc_load_tbu(env);
2707 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2709 CPUState *env = mon_get_cpu();
2710 if (!env)
2711 return 0;
2712 return cpu_ppc_load_tbl(env);
2714 #endif
2716 #if defined(TARGET_SPARC)
2717 #ifndef TARGET_SPARC64
2718 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2720 CPUState *env = mon_get_cpu();
2721 if (!env)
2722 return 0;
2723 return GET_PSR(env);
2725 #endif
2727 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2729 CPUState *env = mon_get_cpu();
2730 if (!env)
2731 return 0;
2732 return env->regwptr[val];
2734 #endif
2736 static const MonitorDef monitor_defs[] = {
2737 #ifdef TARGET_I386
2739 #define SEG(name, seg) \
2740 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2741 { name ".base", offsetof(CPUState, segs[seg].base) },\
2742 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2744 { "eax", offsetof(CPUState, regs[0]) },
2745 { "ecx", offsetof(CPUState, regs[1]) },
2746 { "edx", offsetof(CPUState, regs[2]) },
2747 { "ebx", offsetof(CPUState, regs[3]) },
2748 { "esp|sp", offsetof(CPUState, regs[4]) },
2749 { "ebp|fp", offsetof(CPUState, regs[5]) },
2750 { "esi", offsetof(CPUState, regs[6]) },
2751 { "edi", offsetof(CPUState, regs[7]) },
2752 #ifdef TARGET_X86_64
2753 { "r8", offsetof(CPUState, regs[8]) },
2754 { "r9", offsetof(CPUState, regs[9]) },
2755 { "r10", offsetof(CPUState, regs[10]) },
2756 { "r11", offsetof(CPUState, regs[11]) },
2757 { "r12", offsetof(CPUState, regs[12]) },
2758 { "r13", offsetof(CPUState, regs[13]) },
2759 { "r14", offsetof(CPUState, regs[14]) },
2760 { "r15", offsetof(CPUState, regs[15]) },
2761 #endif
2762 { "eflags", offsetof(CPUState, eflags) },
2763 { "eip", offsetof(CPUState, eip) },
2764 SEG("cs", R_CS)
2765 SEG("ds", R_DS)
2766 SEG("es", R_ES)
2767 SEG("ss", R_SS)
2768 SEG("fs", R_FS)
2769 SEG("gs", R_GS)
2770 { "pc", 0, monitor_get_pc, },
2771 #elif defined(TARGET_PPC)
2772 /* General purpose registers */
2773 { "r0", offsetof(CPUState, gpr[0]) },
2774 { "r1", offsetof(CPUState, gpr[1]) },
2775 { "r2", offsetof(CPUState, gpr[2]) },
2776 { "r3", offsetof(CPUState, gpr[3]) },
2777 { "r4", offsetof(CPUState, gpr[4]) },
2778 { "r5", offsetof(CPUState, gpr[5]) },
2779 { "r6", offsetof(CPUState, gpr[6]) },
2780 { "r7", offsetof(CPUState, gpr[7]) },
2781 { "r8", offsetof(CPUState, gpr[8]) },
2782 { "r9", offsetof(CPUState, gpr[9]) },
2783 { "r10", offsetof(CPUState, gpr[10]) },
2784 { "r11", offsetof(CPUState, gpr[11]) },
2785 { "r12", offsetof(CPUState, gpr[12]) },
2786 { "r13", offsetof(CPUState, gpr[13]) },
2787 { "r14", offsetof(CPUState, gpr[14]) },
2788 { "r15", offsetof(CPUState, gpr[15]) },
2789 { "r16", offsetof(CPUState, gpr[16]) },
2790 { "r17", offsetof(CPUState, gpr[17]) },
2791 { "r18", offsetof(CPUState, gpr[18]) },
2792 { "r19", offsetof(CPUState, gpr[19]) },
2793 { "r20", offsetof(CPUState, gpr[20]) },
2794 { "r21", offsetof(CPUState, gpr[21]) },
2795 { "r22", offsetof(CPUState, gpr[22]) },
2796 { "r23", offsetof(CPUState, gpr[23]) },
2797 { "r24", offsetof(CPUState, gpr[24]) },
2798 { "r25", offsetof(CPUState, gpr[25]) },
2799 { "r26", offsetof(CPUState, gpr[26]) },
2800 { "r27", offsetof(CPUState, gpr[27]) },
2801 { "r28", offsetof(CPUState, gpr[28]) },
2802 { "r29", offsetof(CPUState, gpr[29]) },
2803 { "r30", offsetof(CPUState, gpr[30]) },
2804 { "r31", offsetof(CPUState, gpr[31]) },
2805 /* Floating point registers */
2806 { "f0", offsetof(CPUState, fpr[0]) },
2807 { "f1", offsetof(CPUState, fpr[1]) },
2808 { "f2", offsetof(CPUState, fpr[2]) },
2809 { "f3", offsetof(CPUState, fpr[3]) },
2810 { "f4", offsetof(CPUState, fpr[4]) },
2811 { "f5", offsetof(CPUState, fpr[5]) },
2812 { "f6", offsetof(CPUState, fpr[6]) },
2813 { "f7", offsetof(CPUState, fpr[7]) },
2814 { "f8", offsetof(CPUState, fpr[8]) },
2815 { "f9", offsetof(CPUState, fpr[9]) },
2816 { "f10", offsetof(CPUState, fpr[10]) },
2817 { "f11", offsetof(CPUState, fpr[11]) },
2818 { "f12", offsetof(CPUState, fpr[12]) },
2819 { "f13", offsetof(CPUState, fpr[13]) },
2820 { "f14", offsetof(CPUState, fpr[14]) },
2821 { "f15", offsetof(CPUState, fpr[15]) },
2822 { "f16", offsetof(CPUState, fpr[16]) },
2823 { "f17", offsetof(CPUState, fpr[17]) },
2824 { "f18", offsetof(CPUState, fpr[18]) },
2825 { "f19", offsetof(CPUState, fpr[19]) },
2826 { "f20", offsetof(CPUState, fpr[20]) },
2827 { "f21", offsetof(CPUState, fpr[21]) },
2828 { "f22", offsetof(CPUState, fpr[22]) },
2829 { "f23", offsetof(CPUState, fpr[23]) },
2830 { "f24", offsetof(CPUState, fpr[24]) },
2831 { "f25", offsetof(CPUState, fpr[25]) },
2832 { "f26", offsetof(CPUState, fpr[26]) },
2833 { "f27", offsetof(CPUState, fpr[27]) },
2834 { "f28", offsetof(CPUState, fpr[28]) },
2835 { "f29", offsetof(CPUState, fpr[29]) },
2836 { "f30", offsetof(CPUState, fpr[30]) },
2837 { "f31", offsetof(CPUState, fpr[31]) },
2838 { "fpscr", offsetof(CPUState, fpscr) },
2839 /* Next instruction pointer */
2840 { "nip|pc", offsetof(CPUState, nip) },
2841 { "lr", offsetof(CPUState, lr) },
2842 { "ctr", offsetof(CPUState, ctr) },
2843 { "decr", 0, &monitor_get_decr, },
2844 { "ccr", 0, &monitor_get_ccr, },
2845 /* Machine state register */
2846 { "msr", 0, &monitor_get_msr, },
2847 { "xer", 0, &monitor_get_xer, },
2848 { "tbu", 0, &monitor_get_tbu, },
2849 { "tbl", 0, &monitor_get_tbl, },
2850 #if defined(TARGET_PPC64)
2851 /* Address space register */
2852 { "asr", offsetof(CPUState, asr) },
2853 #endif
2854 /* Segment registers */
2855 { "sdr1", offsetof(CPUState, sdr1) },
2856 { "sr0", offsetof(CPUState, sr[0]) },
2857 { "sr1", offsetof(CPUState, sr[1]) },
2858 { "sr2", offsetof(CPUState, sr[2]) },
2859 { "sr3", offsetof(CPUState, sr[3]) },
2860 { "sr4", offsetof(CPUState, sr[4]) },
2861 { "sr5", offsetof(CPUState, sr[5]) },
2862 { "sr6", offsetof(CPUState, sr[6]) },
2863 { "sr7", offsetof(CPUState, sr[7]) },
2864 { "sr8", offsetof(CPUState, sr[8]) },
2865 { "sr9", offsetof(CPUState, sr[9]) },
2866 { "sr10", offsetof(CPUState, sr[10]) },
2867 { "sr11", offsetof(CPUState, sr[11]) },
2868 { "sr12", offsetof(CPUState, sr[12]) },
2869 { "sr13", offsetof(CPUState, sr[13]) },
2870 { "sr14", offsetof(CPUState, sr[14]) },
2871 { "sr15", offsetof(CPUState, sr[15]) },
2872 /* Too lazy to put BATs and SPRs ... */
2873 #elif defined(TARGET_SPARC)
2874 { "g0", offsetof(CPUState, gregs[0]) },
2875 { "g1", offsetof(CPUState, gregs[1]) },
2876 { "g2", offsetof(CPUState, gregs[2]) },
2877 { "g3", offsetof(CPUState, gregs[3]) },
2878 { "g4", offsetof(CPUState, gregs[4]) },
2879 { "g5", offsetof(CPUState, gregs[5]) },
2880 { "g6", offsetof(CPUState, gregs[6]) },
2881 { "g7", offsetof(CPUState, gregs[7]) },
2882 { "o0", 0, monitor_get_reg },
2883 { "o1", 1, monitor_get_reg },
2884 { "o2", 2, monitor_get_reg },
2885 { "o3", 3, monitor_get_reg },
2886 { "o4", 4, monitor_get_reg },
2887 { "o5", 5, monitor_get_reg },
2888 { "o6", 6, monitor_get_reg },
2889 { "o7", 7, monitor_get_reg },
2890 { "l0", 8, monitor_get_reg },
2891 { "l1", 9, monitor_get_reg },
2892 { "l2", 10, monitor_get_reg },
2893 { "l3", 11, monitor_get_reg },
2894 { "l4", 12, monitor_get_reg },
2895 { "l5", 13, monitor_get_reg },
2896 { "l6", 14, monitor_get_reg },
2897 { "l7", 15, monitor_get_reg },
2898 { "i0", 16, monitor_get_reg },
2899 { "i1", 17, monitor_get_reg },
2900 { "i2", 18, monitor_get_reg },
2901 { "i3", 19, monitor_get_reg },
2902 { "i4", 20, monitor_get_reg },
2903 { "i5", 21, monitor_get_reg },
2904 { "i6", 22, monitor_get_reg },
2905 { "i7", 23, monitor_get_reg },
2906 { "pc", offsetof(CPUState, pc) },
2907 { "npc", offsetof(CPUState, npc) },
2908 { "y", offsetof(CPUState, y) },
2909 #ifndef TARGET_SPARC64
2910 { "psr", 0, &monitor_get_psr, },
2911 { "wim", offsetof(CPUState, wim) },
2912 #endif
2913 { "tbr", offsetof(CPUState, tbr) },
2914 { "fsr", offsetof(CPUState, fsr) },
2915 { "f0", offsetof(CPUState, fpr[0]) },
2916 { "f1", offsetof(CPUState, fpr[1]) },
2917 { "f2", offsetof(CPUState, fpr[2]) },
2918 { "f3", offsetof(CPUState, fpr[3]) },
2919 { "f4", offsetof(CPUState, fpr[4]) },
2920 { "f5", offsetof(CPUState, fpr[5]) },
2921 { "f6", offsetof(CPUState, fpr[6]) },
2922 { "f7", offsetof(CPUState, fpr[7]) },
2923 { "f8", offsetof(CPUState, fpr[8]) },
2924 { "f9", offsetof(CPUState, fpr[9]) },
2925 { "f10", offsetof(CPUState, fpr[10]) },
2926 { "f11", offsetof(CPUState, fpr[11]) },
2927 { "f12", offsetof(CPUState, fpr[12]) },
2928 { "f13", offsetof(CPUState, fpr[13]) },
2929 { "f14", offsetof(CPUState, fpr[14]) },
2930 { "f15", offsetof(CPUState, fpr[15]) },
2931 { "f16", offsetof(CPUState, fpr[16]) },
2932 { "f17", offsetof(CPUState, fpr[17]) },
2933 { "f18", offsetof(CPUState, fpr[18]) },
2934 { "f19", offsetof(CPUState, fpr[19]) },
2935 { "f20", offsetof(CPUState, fpr[20]) },
2936 { "f21", offsetof(CPUState, fpr[21]) },
2937 { "f22", offsetof(CPUState, fpr[22]) },
2938 { "f23", offsetof(CPUState, fpr[23]) },
2939 { "f24", offsetof(CPUState, fpr[24]) },
2940 { "f25", offsetof(CPUState, fpr[25]) },
2941 { "f26", offsetof(CPUState, fpr[26]) },
2942 { "f27", offsetof(CPUState, fpr[27]) },
2943 { "f28", offsetof(CPUState, fpr[28]) },
2944 { "f29", offsetof(CPUState, fpr[29]) },
2945 { "f30", offsetof(CPUState, fpr[30]) },
2946 { "f31", offsetof(CPUState, fpr[31]) },
2947 #ifdef TARGET_SPARC64
2948 { "f32", offsetof(CPUState, fpr[32]) },
2949 { "f34", offsetof(CPUState, fpr[34]) },
2950 { "f36", offsetof(CPUState, fpr[36]) },
2951 { "f38", offsetof(CPUState, fpr[38]) },
2952 { "f40", offsetof(CPUState, fpr[40]) },
2953 { "f42", offsetof(CPUState, fpr[42]) },
2954 { "f44", offsetof(CPUState, fpr[44]) },
2955 { "f46", offsetof(CPUState, fpr[46]) },
2956 { "f48", offsetof(CPUState, fpr[48]) },
2957 { "f50", offsetof(CPUState, fpr[50]) },
2958 { "f52", offsetof(CPUState, fpr[52]) },
2959 { "f54", offsetof(CPUState, fpr[54]) },
2960 { "f56", offsetof(CPUState, fpr[56]) },
2961 { "f58", offsetof(CPUState, fpr[58]) },
2962 { "f60", offsetof(CPUState, fpr[60]) },
2963 { "f62", offsetof(CPUState, fpr[62]) },
2964 { "asi", offsetof(CPUState, asi) },
2965 { "pstate", offsetof(CPUState, pstate) },
2966 { "cansave", offsetof(CPUState, cansave) },
2967 { "canrestore", offsetof(CPUState, canrestore) },
2968 { "otherwin", offsetof(CPUState, otherwin) },
2969 { "wstate", offsetof(CPUState, wstate) },
2970 { "cleanwin", offsetof(CPUState, cleanwin) },
2971 { "fprs", offsetof(CPUState, fprs) },
2972 #endif
2973 #endif
2974 { NULL },
2977 static void expr_error(Monitor *mon, const char *msg)
2979 monitor_printf(mon, "%s\n", msg);
2980 longjmp(expr_env, 1);
2983 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2984 static int get_monitor_def(target_long *pval, const char *name)
2986 const MonitorDef *md;
2987 void *ptr;
2989 for(md = monitor_defs; md->name != NULL; md++) {
2990 if (compare_cmd(name, md->name)) {
2991 if (md->get_value) {
2992 *pval = md->get_value(md, md->offset);
2993 } else {
2994 CPUState *env = mon_get_cpu();
2995 if (!env)
2996 return -2;
2997 ptr = (uint8_t *)env + md->offset;
2998 switch(md->type) {
2999 case MD_I32:
3000 *pval = *(int32_t *)ptr;
3001 break;
3002 case MD_TLONG:
3003 *pval = *(target_long *)ptr;
3004 break;
3005 default:
3006 *pval = 0;
3007 break;
3010 return 0;
3013 return -1;
3016 static void next(void)
3018 if (*pch != '\0') {
3019 pch++;
3020 while (qemu_isspace(*pch))
3021 pch++;
3025 static int64_t expr_sum(Monitor *mon);
3027 static int64_t expr_unary(Monitor *mon)
3029 int64_t n;
3030 char *p;
3031 int ret;
3033 switch(*pch) {
3034 case '+':
3035 next();
3036 n = expr_unary(mon);
3037 break;
3038 case '-':
3039 next();
3040 n = -expr_unary(mon);
3041 break;
3042 case '~':
3043 next();
3044 n = ~expr_unary(mon);
3045 break;
3046 case '(':
3047 next();
3048 n = expr_sum(mon);
3049 if (*pch != ')') {
3050 expr_error(mon, "')' expected");
3052 next();
3053 break;
3054 case '\'':
3055 pch++;
3056 if (*pch == '\0')
3057 expr_error(mon, "character constant expected");
3058 n = *pch;
3059 pch++;
3060 if (*pch != '\'')
3061 expr_error(mon, "missing terminating \' character");
3062 next();
3063 break;
3064 case '$':
3066 char buf[128], *q;
3067 target_long reg=0;
3069 pch++;
3070 q = buf;
3071 while ((*pch >= 'a' && *pch <= 'z') ||
3072 (*pch >= 'A' && *pch <= 'Z') ||
3073 (*pch >= '0' && *pch <= '9') ||
3074 *pch == '_' || *pch == '.') {
3075 if ((q - buf) < sizeof(buf) - 1)
3076 *q++ = *pch;
3077 pch++;
3079 while (qemu_isspace(*pch))
3080 pch++;
3081 *q = 0;
3082 ret = get_monitor_def(&reg, buf);
3083 if (ret == -1)
3084 expr_error(mon, "unknown register");
3085 else if (ret == -2)
3086 expr_error(mon, "no cpu defined");
3087 n = reg;
3089 break;
3090 case '\0':
3091 expr_error(mon, "unexpected end of expression");
3092 n = 0;
3093 break;
3094 default:
3095 #if TARGET_PHYS_ADDR_BITS > 32
3096 n = strtoull(pch, &p, 0);
3097 #else
3098 n = strtoul(pch, &p, 0);
3099 #endif
3100 if (pch == p) {
3101 expr_error(mon, "invalid char in expression");
3103 pch = p;
3104 while (qemu_isspace(*pch))
3105 pch++;
3106 break;
3108 return n;
3112 static int64_t expr_prod(Monitor *mon)
3114 int64_t val, val2;
3115 int op;
3117 val = expr_unary(mon);
3118 for(;;) {
3119 op = *pch;
3120 if (op != '*' && op != '/' && op != '%')
3121 break;
3122 next();
3123 val2 = expr_unary(mon);
3124 switch(op) {
3125 default:
3126 case '*':
3127 val *= val2;
3128 break;
3129 case '/':
3130 case '%':
3131 if (val2 == 0)
3132 expr_error(mon, "division by zero");
3133 if (op == '/')
3134 val /= val2;
3135 else
3136 val %= val2;
3137 break;
3140 return val;
3143 static int64_t expr_logic(Monitor *mon)
3145 int64_t val, val2;
3146 int op;
3148 val = expr_prod(mon);
3149 for(;;) {
3150 op = *pch;
3151 if (op != '&' && op != '|' && op != '^')
3152 break;
3153 next();
3154 val2 = expr_prod(mon);
3155 switch(op) {
3156 default:
3157 case '&':
3158 val &= val2;
3159 break;
3160 case '|':
3161 val |= val2;
3162 break;
3163 case '^':
3164 val ^= val2;
3165 break;
3168 return val;
3171 static int64_t expr_sum(Monitor *mon)
3173 int64_t val, val2;
3174 int op;
3176 val = expr_logic(mon);
3177 for(;;) {
3178 op = *pch;
3179 if (op != '+' && op != '-')
3180 break;
3181 next();
3182 val2 = expr_logic(mon);
3183 if (op == '+')
3184 val += val2;
3185 else
3186 val -= val2;
3188 return val;
3191 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3193 pch = *pp;
3194 if (setjmp(expr_env)) {
3195 *pp = pch;
3196 return -1;
3198 while (qemu_isspace(*pch))
3199 pch++;
3200 *pval = expr_sum(mon);
3201 *pp = pch;
3202 return 0;
3205 static int get_str(char *buf, int buf_size, const char **pp)
3207 const char *p;
3208 char *q;
3209 int c;
3211 q = buf;
3212 p = *pp;
3213 while (qemu_isspace(*p))
3214 p++;
3215 if (*p == '\0') {
3216 fail:
3217 *q = '\0';
3218 *pp = p;
3219 return -1;
3221 if (*p == '\"') {
3222 p++;
3223 while (*p != '\0' && *p != '\"') {
3224 if (*p == '\\') {
3225 p++;
3226 c = *p++;
3227 switch(c) {
3228 case 'n':
3229 c = '\n';
3230 break;
3231 case 'r':
3232 c = '\r';
3233 break;
3234 case '\\':
3235 case '\'':
3236 case '\"':
3237 break;
3238 default:
3239 qemu_printf("unsupported escape code: '\\%c'\n", c);
3240 goto fail;
3242 if ((q - buf) < buf_size - 1) {
3243 *q++ = c;
3245 } else {
3246 if ((q - buf) < buf_size - 1) {
3247 *q++ = *p;
3249 p++;
3252 if (*p != '\"') {
3253 qemu_printf("unterminated string\n");
3254 goto fail;
3256 p++;
3257 } else {
3258 while (*p != '\0' && !qemu_isspace(*p)) {
3259 if ((q - buf) < buf_size - 1) {
3260 *q++ = *p;
3262 p++;
3265 *q = '\0';
3266 *pp = p;
3267 return 0;
3271 * Store the command-name in cmdname, and return a pointer to
3272 * the remaining of the command string.
3274 static const char *get_command_name(const char *cmdline,
3275 char *cmdname, size_t nlen)
3277 size_t len;
3278 const char *p, *pstart;
3280 p = cmdline;
3281 while (qemu_isspace(*p))
3282 p++;
3283 if (*p == '\0')
3284 return NULL;
3285 pstart = p;
3286 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3287 p++;
3288 len = p - pstart;
3289 if (len > nlen - 1)
3290 len = nlen - 1;
3291 memcpy(cmdname, pstart, len);
3292 cmdname[len] = '\0';
3293 return p;
3297 * Read key of 'type' into 'key' and return the current
3298 * 'type' pointer.
3300 static char *key_get_info(const char *type, char **key)
3302 size_t len;
3303 char *p, *str;
3305 if (*type == ',')
3306 type++;
3308 p = strchr(type, ':');
3309 if (!p) {
3310 *key = NULL;
3311 return NULL;
3313 len = p - type;
3315 str = qemu_malloc(len + 1);
3316 memcpy(str, type, len);
3317 str[len] = '\0';
3319 *key = str;
3320 return ++p;
3323 static int default_fmt_format = 'x';
3324 static int default_fmt_size = 4;
3326 #define MAX_ARGS 16
3328 static int is_valid_option(const char *c, const char *typestr)
3330 char option[3];
3332 option[0] = '-';
3333 option[1] = *c;
3334 option[2] = '\0';
3336 typestr = strstr(typestr, option);
3337 return (typestr != NULL);
3340 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3342 const mon_cmd_t *cmd;
3344 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3345 if (compare_cmd(cmdname, cmd->name)) {
3346 return cmd;
3350 return NULL;
3353 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3354 const char *cmdline,
3355 QDict *qdict)
3357 const char *p, *typestr;
3358 int c;
3359 const mon_cmd_t *cmd;
3360 char cmdname[256];
3361 char buf[1024];
3362 char *key;
3364 #ifdef DEBUG
3365 monitor_printf(mon, "command='%s'\n", cmdline);
3366 #endif
3368 /* extract the command name */
3369 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3370 if (!p)
3371 return NULL;
3373 cmd = monitor_find_command(cmdname);
3374 if (!cmd) {
3375 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3376 return NULL;
3379 /* parse the parameters */
3380 typestr = cmd->args_type;
3381 for(;;) {
3382 typestr = key_get_info(typestr, &key);
3383 if (!typestr)
3384 break;
3385 c = *typestr;
3386 typestr++;
3387 switch(c) {
3388 case 'F':
3389 case 'B':
3390 case 's':
3392 int ret;
3394 while (qemu_isspace(*p))
3395 p++;
3396 if (*typestr == '?') {
3397 typestr++;
3398 if (*p == '\0') {
3399 /* no optional string: NULL argument */
3400 break;
3403 ret = get_str(buf, sizeof(buf), &p);
3404 if (ret < 0) {
3405 switch(c) {
3406 case 'F':
3407 monitor_printf(mon, "%s: filename expected\n",
3408 cmdname);
3409 break;
3410 case 'B':
3411 monitor_printf(mon, "%s: block device name expected\n",
3412 cmdname);
3413 break;
3414 default:
3415 monitor_printf(mon, "%s: string expected\n", cmdname);
3416 break;
3418 goto fail;
3420 qdict_put(qdict, key, qstring_from_str(buf));
3422 break;
3423 case '/':
3425 int count, format, size;
3427 while (qemu_isspace(*p))
3428 p++;
3429 if (*p == '/') {
3430 /* format found */
3431 p++;
3432 count = 1;
3433 if (qemu_isdigit(*p)) {
3434 count = 0;
3435 while (qemu_isdigit(*p)) {
3436 count = count * 10 + (*p - '0');
3437 p++;
3440 size = -1;
3441 format = -1;
3442 for(;;) {
3443 switch(*p) {
3444 case 'o':
3445 case 'd':
3446 case 'u':
3447 case 'x':
3448 case 'i':
3449 case 'c':
3450 format = *p++;
3451 break;
3452 case 'b':
3453 size = 1;
3454 p++;
3455 break;
3456 case 'h':
3457 size = 2;
3458 p++;
3459 break;
3460 case 'w':
3461 size = 4;
3462 p++;
3463 break;
3464 case 'g':
3465 case 'L':
3466 size = 8;
3467 p++;
3468 break;
3469 default:
3470 goto next;
3473 next:
3474 if (*p != '\0' && !qemu_isspace(*p)) {
3475 monitor_printf(mon, "invalid char in format: '%c'\n",
3476 *p);
3477 goto fail;
3479 if (format < 0)
3480 format = default_fmt_format;
3481 if (format != 'i') {
3482 /* for 'i', not specifying a size gives -1 as size */
3483 if (size < 0)
3484 size = default_fmt_size;
3485 default_fmt_size = size;
3487 default_fmt_format = format;
3488 } else {
3489 count = 1;
3490 format = default_fmt_format;
3491 if (format != 'i') {
3492 size = default_fmt_size;
3493 } else {
3494 size = -1;
3497 qdict_put(qdict, "count", qint_from_int(count));
3498 qdict_put(qdict, "format", qint_from_int(format));
3499 qdict_put(qdict, "size", qint_from_int(size));
3501 break;
3502 case 'i':
3503 case 'l':
3505 int64_t val;
3507 while (qemu_isspace(*p))
3508 p++;
3509 if (*typestr == '?' || *typestr == '.') {
3510 if (*typestr == '?') {
3511 if (*p == '\0') {
3512 typestr++;
3513 break;
3515 } else {
3516 if (*p == '.') {
3517 p++;
3518 while (qemu_isspace(*p))
3519 p++;
3520 } else {
3521 typestr++;
3522 break;
3525 typestr++;
3527 if (get_expr(mon, &val, &p))
3528 goto fail;
3529 /* Check if 'i' is greater than 32-bit */
3530 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3531 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3532 monitor_printf(mon, "integer is for 32-bit values\n");
3533 goto fail;
3535 qdict_put(qdict, key, qint_from_int(val));
3537 break;
3538 case '-':
3540 const char *tmp = p;
3541 int has_option, skip_key = 0;
3542 /* option */
3544 c = *typestr++;
3545 if (c == '\0')
3546 goto bad_type;
3547 while (qemu_isspace(*p))
3548 p++;
3549 has_option = 0;
3550 if (*p == '-') {
3551 p++;
3552 if(c != *p) {
3553 if(!is_valid_option(p, typestr)) {
3555 monitor_printf(mon, "%s: unsupported option -%c\n",
3556 cmdname, *p);
3557 goto fail;
3558 } else {
3559 skip_key = 1;
3562 if(skip_key) {
3563 p = tmp;
3564 } else {
3565 p++;
3566 has_option = 1;
3569 qdict_put(qdict, key, qint_from_int(has_option));
3571 break;
3572 default:
3573 bad_type:
3574 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3575 goto fail;
3577 qemu_free(key);
3578 key = NULL;
3580 /* check that all arguments were parsed */
3581 while (qemu_isspace(*p))
3582 p++;
3583 if (*p != '\0') {
3584 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3585 cmdname);
3586 goto fail;
3589 return cmd;
3591 fail:
3592 qemu_free(key);
3593 return NULL;
3596 static void monitor_print_error(Monitor *mon)
3598 qerror_print(mon->error);
3599 QDECREF(mon->error);
3600 mon->error = NULL;
3603 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3604 const QDict *params)
3606 QObject *data = NULL;
3608 cmd->mhandler.cmd_new(mon, params, &data);
3610 if (monitor_ctrl_mode(mon)) {
3611 /* Monitor Protocol */
3612 monitor_protocol_emitter(mon, data);
3613 } else {
3614 /* User Protocol */
3615 if (data)
3616 cmd->user_print(mon, data);
3619 qobject_decref(data);
3622 static void handle_user_command(Monitor *mon, const char *cmdline)
3624 QDict *qdict;
3625 const mon_cmd_t *cmd;
3627 qdict = qdict_new();
3629 cmd = monitor_parse_command(mon, cmdline, qdict);
3630 if (!cmd)
3631 goto out;
3633 qemu_errors_to_mon(mon);
3635 if (monitor_handler_ported(cmd)) {
3636 monitor_call_handler(mon, cmd, qdict);
3637 } else {
3638 cmd->mhandler.cmd(mon, qdict);
3641 if (monitor_has_error(mon))
3642 monitor_print_error(mon);
3644 qemu_errors_to_previous();
3646 out:
3647 QDECREF(qdict);
3650 static void cmd_completion(const char *name, const char *list)
3652 const char *p, *pstart;
3653 char cmd[128];
3654 int len;
3656 p = list;
3657 for(;;) {
3658 pstart = p;
3659 p = strchr(p, '|');
3660 if (!p)
3661 p = pstart + strlen(pstart);
3662 len = p - pstart;
3663 if (len > sizeof(cmd) - 2)
3664 len = sizeof(cmd) - 2;
3665 memcpy(cmd, pstart, len);
3666 cmd[len] = '\0';
3667 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3668 readline_add_completion(cur_mon->rs, cmd);
3670 if (*p == '\0')
3671 break;
3672 p++;
3676 static void file_completion(const char *input)
3678 DIR *ffs;
3679 struct dirent *d;
3680 char path[1024];
3681 char file[1024], file_prefix[1024];
3682 int input_path_len;
3683 const char *p;
3685 p = strrchr(input, '/');
3686 if (!p) {
3687 input_path_len = 0;
3688 pstrcpy(file_prefix, sizeof(file_prefix), input);
3689 pstrcpy(path, sizeof(path), ".");
3690 } else {
3691 input_path_len = p - input + 1;
3692 memcpy(path, input, input_path_len);
3693 if (input_path_len > sizeof(path) - 1)
3694 input_path_len = sizeof(path) - 1;
3695 path[input_path_len] = '\0';
3696 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3698 #ifdef DEBUG_COMPLETION
3699 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3700 input, path, file_prefix);
3701 #endif
3702 ffs = opendir(path);
3703 if (!ffs)
3704 return;
3705 for(;;) {
3706 struct stat sb;
3707 d = readdir(ffs);
3708 if (!d)
3709 break;
3710 if (strstart(d->d_name, file_prefix, NULL)) {
3711 memcpy(file, input, input_path_len);
3712 if (input_path_len < sizeof(file))
3713 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3714 d->d_name);
3715 /* stat the file to find out if it's a directory.
3716 * In that case add a slash to speed up typing long paths
3718 stat(file, &sb);
3719 if(S_ISDIR(sb.st_mode))
3720 pstrcat(file, sizeof(file), "/");
3721 readline_add_completion(cur_mon->rs, file);
3724 closedir(ffs);
3727 static void block_completion_it(void *opaque, BlockDriverState *bs)
3729 const char *name = bdrv_get_device_name(bs);
3730 const char *input = opaque;
3732 if (input[0] == '\0' ||
3733 !strncmp(name, (char *)input, strlen(input))) {
3734 readline_add_completion(cur_mon->rs, name);
3738 /* NOTE: this parser is an approximate form of the real command parser */
3739 static void parse_cmdline(const char *cmdline,
3740 int *pnb_args, char **args)
3742 const char *p;
3743 int nb_args, ret;
3744 char buf[1024];
3746 p = cmdline;
3747 nb_args = 0;
3748 for(;;) {
3749 while (qemu_isspace(*p))
3750 p++;
3751 if (*p == '\0')
3752 break;
3753 if (nb_args >= MAX_ARGS)
3754 break;
3755 ret = get_str(buf, sizeof(buf), &p);
3756 args[nb_args] = qemu_strdup(buf);
3757 nb_args++;
3758 if (ret < 0)
3759 break;
3761 *pnb_args = nb_args;
3764 static const char *next_arg_type(const char *typestr)
3766 const char *p = strchr(typestr, ':');
3767 return (p != NULL ? ++p : typestr);
3770 static void monitor_find_completion(const char *cmdline)
3772 const char *cmdname;
3773 char *args[MAX_ARGS];
3774 int nb_args, i, len;
3775 const char *ptype, *str;
3776 const mon_cmd_t *cmd;
3777 const KeyDef *key;
3779 parse_cmdline(cmdline, &nb_args, args);
3780 #ifdef DEBUG_COMPLETION
3781 for(i = 0; i < nb_args; i++) {
3782 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3784 #endif
3786 /* if the line ends with a space, it means we want to complete the
3787 next arg */
3788 len = strlen(cmdline);
3789 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3790 if (nb_args >= MAX_ARGS)
3791 return;
3792 args[nb_args++] = qemu_strdup("");
3794 if (nb_args <= 1) {
3795 /* command completion */
3796 if (nb_args == 0)
3797 cmdname = "";
3798 else
3799 cmdname = args[0];
3800 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3801 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3802 cmd_completion(cmdname, cmd->name);
3804 } else {
3805 /* find the command */
3806 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3807 if (compare_cmd(args[0], cmd->name))
3808 goto found;
3810 return;
3811 found:
3812 ptype = next_arg_type(cmd->args_type);
3813 for(i = 0; i < nb_args - 2; i++) {
3814 if (*ptype != '\0') {
3815 ptype = next_arg_type(ptype);
3816 while (*ptype == '?')
3817 ptype = next_arg_type(ptype);
3820 str = args[nb_args - 1];
3821 if (*ptype == '-' && ptype[1] != '\0') {
3822 ptype += 2;
3824 switch(*ptype) {
3825 case 'F':
3826 /* file completion */
3827 readline_set_completion_index(cur_mon->rs, strlen(str));
3828 file_completion(str);
3829 break;
3830 case 'B':
3831 /* block device name completion */
3832 readline_set_completion_index(cur_mon->rs, strlen(str));
3833 bdrv_iterate(block_completion_it, (void *)str);
3834 break;
3835 case 's':
3836 /* XXX: more generic ? */
3837 if (!strcmp(cmd->name, "info")) {
3838 readline_set_completion_index(cur_mon->rs, strlen(str));
3839 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3840 cmd_completion(str, cmd->name);
3842 } else if (!strcmp(cmd->name, "sendkey")) {
3843 char *sep = strrchr(str, '-');
3844 if (sep)
3845 str = sep + 1;
3846 readline_set_completion_index(cur_mon->rs, strlen(str));
3847 for(key = key_defs; key->name != NULL; key++) {
3848 cmd_completion(str, key->name);
3850 } else if (!strcmp(cmd->name, "help|?")) {
3851 readline_set_completion_index(cur_mon->rs, strlen(str));
3852 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3853 cmd_completion(str, cmd->name);
3856 break;
3857 default:
3858 break;
3861 for(i = 0; i < nb_args; i++)
3862 qemu_free(args[i]);
3865 static int monitor_can_read(void *opaque)
3867 Monitor *mon = opaque;
3869 return (mon->suspend_cnt == 0) ? 1 : 0;
3872 typedef struct CmdArgs {
3873 QString *name;
3874 int type;
3875 int flag;
3876 int optional;
3877 } CmdArgs;
3879 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3881 if (!cmd_args->optional) {
3882 qemu_error_new(QERR_MISSING_PARAMETER, name);
3883 return -1;
3886 if (cmd_args->type == '-') {
3887 /* handlers expect a value, they need to be changed */
3888 qdict_put(args, name, qint_from_int(0));
3891 return 0;
3894 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3896 QObject *value;
3897 const char *name;
3899 name = qstring_get_str(cmd_args->name);
3901 if (!args) {
3902 return check_opt(cmd_args, name, args);
3905 value = qdict_get(args, name);
3906 if (!value) {
3907 return check_opt(cmd_args, name, args);
3910 switch (cmd_args->type) {
3911 case 'F':
3912 case 'B':
3913 case 's':
3914 if (qobject_type(value) != QTYPE_QSTRING) {
3915 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3916 return -1;
3918 break;
3919 case '/': {
3920 int i;
3921 const char *keys[] = { "count", "format", "size", NULL };
3923 for (i = 0; keys[i]; i++) {
3924 QObject *obj = qdict_get(args, keys[i]);
3925 if (!obj) {
3926 qemu_error_new(QERR_MISSING_PARAMETER, name);
3927 return -1;
3929 if (qobject_type(obj) != QTYPE_QINT) {
3930 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3931 return -1;
3934 break;
3936 case 'i':
3937 case 'l':
3938 if (qobject_type(value) != QTYPE_QINT) {
3939 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3940 return -1;
3942 break;
3943 case '-':
3944 if (qobject_type(value) != QTYPE_QINT &&
3945 qobject_type(value) != QTYPE_QBOOL) {
3946 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3947 return -1;
3949 if (qobject_type(value) == QTYPE_QBOOL) {
3950 /* handlers expect a QInt, they need to be changed */
3951 qdict_put(args, name,
3952 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3954 break;
3955 default:
3956 /* impossible */
3957 abort();
3960 return 0;
3963 static void cmd_args_init(CmdArgs *cmd_args)
3965 cmd_args->name = qstring_new();
3966 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3970 * This is not trivial, we have to parse Monitor command's argument
3971 * type syntax to be able to check the arguments provided by clients.
3973 * In the near future we will be using an array for that and will be
3974 * able to drop all this parsing...
3976 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3978 int err;
3979 const char *p;
3980 CmdArgs cmd_args;
3982 if (cmd->args_type == NULL) {
3983 return (qdict_size(args) == 0 ? 0 : -1);
3986 err = 0;
3987 cmd_args_init(&cmd_args);
3989 for (p = cmd->args_type;; p++) {
3990 if (*p == ':') {
3991 cmd_args.type = *++p;
3992 p++;
3993 if (cmd_args.type == '-') {
3994 cmd_args.flag = *p++;
3995 cmd_args.optional = 1;
3996 } else if (*p == '?') {
3997 cmd_args.optional = 1;
3998 p++;
4001 assert(*p == ',' || *p == '\0');
4002 err = check_arg(&cmd_args, args);
4004 QDECREF(cmd_args.name);
4005 cmd_args_init(&cmd_args);
4007 if (err < 0) {
4008 break;
4010 } else {
4011 qstring_append_chr(cmd_args.name, *p);
4014 if (*p == '\0') {
4015 break;
4019 QDECREF(cmd_args.name);
4020 return err;
4023 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4025 int err;
4026 QObject *obj;
4027 QDict *input, *args;
4028 const mon_cmd_t *cmd;
4029 Monitor *mon = cur_mon;
4030 const char *cmd_name, *info_item;
4032 args = NULL;
4033 qemu_errors_to_mon(mon);
4035 obj = json_parser_parse(tokens, NULL);
4036 if (!obj) {
4037 // FIXME: should be triggered in json_parser_parse()
4038 qemu_error_new(QERR_JSON_PARSING);
4039 goto err_out;
4040 } else if (qobject_type(obj) != QTYPE_QDICT) {
4041 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4042 qobject_decref(obj);
4043 goto err_out;
4046 input = qobject_to_qdict(obj);
4048 mon->mc->id = qdict_get(input, "id");
4049 qobject_incref(mon->mc->id);
4051 obj = qdict_get(input, "execute");
4052 if (!obj) {
4053 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4054 goto err_input;
4055 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4056 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4057 goto err_input;
4060 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4063 * XXX: We need this special case until we get info handlers
4064 * converted into 'query-' commands
4066 if (compare_cmd(cmd_name, "info")) {
4067 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4068 goto err_input;
4069 } else if (strstart(cmd_name, "query-", &info_item)) {
4070 cmd = monitor_find_command("info");
4071 qdict_put_obj(input, "arguments",
4072 qobject_from_jsonf("{ 'item': %s }", info_item));
4073 } else {
4074 cmd = monitor_find_command(cmd_name);
4075 if (!cmd || !monitor_handler_ported(cmd)) {
4076 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4077 goto err_input;
4081 obj = qdict_get(input, "arguments");
4082 if (!obj) {
4083 args = qdict_new();
4084 } else {
4085 args = qobject_to_qdict(obj);
4086 QINCREF(args);
4089 QDECREF(input);
4091 err = monitor_check_qmp_args(cmd, args);
4092 if (err < 0) {
4093 goto err_out;
4096 monitor_call_handler(mon, cmd, args);
4097 goto out;
4099 err_input:
4100 QDECREF(input);
4101 err_out:
4102 monitor_protocol_emitter(mon, NULL);
4103 out:
4104 QDECREF(args);
4105 qemu_errors_to_previous();
4109 * monitor_control_read(): Read and handle QMP input
4111 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4113 Monitor *old_mon = cur_mon;
4115 cur_mon = opaque;
4117 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4119 cur_mon = old_mon;
4122 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4124 Monitor *old_mon = cur_mon;
4125 int i;
4127 cur_mon = opaque;
4129 if (cur_mon->rs) {
4130 for (i = 0; i < size; i++)
4131 readline_handle_byte(cur_mon->rs, buf[i]);
4132 } else {
4133 if (size == 0 || buf[size - 1] != 0)
4134 monitor_printf(cur_mon, "corrupted command\n");
4135 else
4136 handle_user_command(cur_mon, (char *)buf);
4139 cur_mon = old_mon;
4142 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4144 monitor_suspend(mon);
4145 handle_user_command(mon, cmdline);
4146 monitor_resume(mon);
4149 int monitor_suspend(Monitor *mon)
4151 if (!mon->rs)
4152 return -ENOTTY;
4153 mon->suspend_cnt++;
4154 return 0;
4157 void monitor_resume(Monitor *mon)
4159 if (!mon->rs)
4160 return;
4161 if (--mon->suspend_cnt == 0)
4162 readline_show_prompt(mon->rs);
4166 * monitor_control_event(): Print QMP gretting
4168 static void monitor_control_event(void *opaque, int event)
4170 if (event == CHR_EVENT_OPENED) {
4171 QObject *data;
4172 Monitor *mon = opaque;
4174 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4176 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4177 assert(data != NULL);
4179 monitor_json_emitter(mon, data);
4180 qobject_decref(data);
4184 static void monitor_event(void *opaque, int event)
4186 Monitor *mon = opaque;
4188 switch (event) {
4189 case CHR_EVENT_MUX_IN:
4190 mon->mux_out = 0;
4191 if (mon->reset_seen) {
4192 readline_restart(mon->rs);
4193 monitor_resume(mon);
4194 monitor_flush(mon);
4195 } else {
4196 mon->suspend_cnt = 0;
4198 break;
4200 case CHR_EVENT_MUX_OUT:
4201 if (mon->reset_seen) {
4202 if (mon->suspend_cnt == 0) {
4203 monitor_printf(mon, "\n");
4205 monitor_flush(mon);
4206 monitor_suspend(mon);
4207 } else {
4208 mon->suspend_cnt++;
4210 mon->mux_out = 1;
4211 break;
4213 case CHR_EVENT_OPENED:
4214 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4215 "information\n", QEMU_VERSION);
4216 if (!mon->mux_out) {
4217 readline_show_prompt(mon->rs);
4219 mon->reset_seen = 1;
4220 break;
4226 * Local variables:
4227 * c-indent-level: 4
4228 * c-basic-offset: 4
4229 * tab-width: 8
4230 * End:
4233 void monitor_init(CharDriverState *chr, int flags)
4235 static int is_first_init = 1;
4236 Monitor *mon;
4238 if (is_first_init) {
4239 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4240 is_first_init = 0;
4243 mon = qemu_mallocz(sizeof(*mon));
4245 mon->chr = chr;
4246 mon->flags = flags;
4247 if (flags & MONITOR_USE_READLINE) {
4248 mon->rs = readline_init(mon, monitor_find_completion);
4249 monitor_read_command(mon, 0);
4252 if (monitor_ctrl_mode(mon)) {
4253 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4254 /* Control mode requires special handlers */
4255 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4256 monitor_control_event, mon);
4257 } else {
4258 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4259 monitor_event, mon);
4262 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4263 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4264 cur_mon = mon;
4267 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4269 BlockDriverState *bs = opaque;
4270 int ret = 0;
4272 if (bdrv_set_key(bs, password) != 0) {
4273 monitor_printf(mon, "invalid password\n");
4274 ret = -EPERM;
4276 if (mon->password_completion_cb)
4277 mon->password_completion_cb(mon->password_opaque, ret);
4279 monitor_read_command(mon, 1);
4282 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4283 BlockDriverCompletionFunc *completion_cb,
4284 void *opaque)
4286 int err;
4288 if (!bdrv_key_required(bs)) {
4289 if (completion_cb)
4290 completion_cb(opaque, 0);
4291 return;
4294 if (monitor_ctrl_mode(mon)) {
4295 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4296 return;
4299 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4300 bdrv_get_encrypted_filename(bs));
4302 mon->password_completion_cb = completion_cb;
4303 mon->password_opaque = opaque;
4305 err = monitor_read_password(mon, bdrv_password_cb, bs);
4307 if (err && completion_cb)
4308 completion_cb(opaque, err);
4311 typedef struct QemuErrorSink QemuErrorSink;
4312 struct QemuErrorSink {
4313 enum {
4314 ERR_SINK_FILE,
4315 ERR_SINK_MONITOR,
4316 } dest;
4317 union {
4318 FILE *fp;
4319 Monitor *mon;
4321 QemuErrorSink *previous;
4324 static QemuErrorSink *qemu_error_sink;
4326 void qemu_errors_to_file(FILE *fp)
4328 QemuErrorSink *sink;
4330 sink = qemu_mallocz(sizeof(*sink));
4331 sink->dest = ERR_SINK_FILE;
4332 sink->fp = fp;
4333 sink->previous = qemu_error_sink;
4334 qemu_error_sink = sink;
4337 void qemu_errors_to_mon(Monitor *mon)
4339 QemuErrorSink *sink;
4341 sink = qemu_mallocz(sizeof(*sink));
4342 sink->dest = ERR_SINK_MONITOR;
4343 sink->mon = mon;
4344 sink->previous = qemu_error_sink;
4345 qemu_error_sink = sink;
4348 void qemu_errors_to_previous(void)
4350 QemuErrorSink *sink;
4352 assert(qemu_error_sink != NULL);
4353 sink = qemu_error_sink;
4354 qemu_error_sink = sink->previous;
4355 qemu_free(sink);
4358 void qemu_error(const char *fmt, ...)
4360 va_list args;
4362 assert(qemu_error_sink != NULL);
4363 switch (qemu_error_sink->dest) {
4364 case ERR_SINK_FILE:
4365 va_start(args, fmt);
4366 vfprintf(qemu_error_sink->fp, fmt, args);
4367 va_end(args);
4368 break;
4369 case ERR_SINK_MONITOR:
4370 va_start(args, fmt);
4371 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4372 va_end(args);
4373 break;
4377 void qemu_error_internal(const char *file, int linenr, const char *func,
4378 const char *fmt, ...)
4380 va_list va;
4381 QError *qerror;
4383 assert(qemu_error_sink != NULL);
4385 va_start(va, fmt);
4386 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4387 va_end(va);
4389 switch (qemu_error_sink->dest) {
4390 case ERR_SINK_FILE:
4391 qerror_print(qerror);
4392 QDECREF(qerror);
4393 break;
4394 case ERR_SINK_MONITOR:
4395 assert(qemu_error_sink->mon->error == NULL);
4396 qemu_error_sink->mon->error = qerror;
4397 break;