Documentation: Add missing texi description for command line options
[qemu/kevin.git] / monitor.c
blob2f38601d650b5b2eda6ce22ded9f3d29509ab7a1
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 qobject_incref(data);
287 qdict_put_obj(qmp, "return", data);
288 } else {
289 /* return an empty QDict by default */
290 qdict_put(qmp, "return", qdict_new());
292 } else {
293 /* error response */
294 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
295 qdict_put(qmp, "error", mon->error->error);
296 QINCREF(mon->error->error);
297 QDECREF(mon->error);
298 mon->error = NULL;
301 if (mon->mc->id) {
302 qdict_put_obj(qmp, "id", mon->mc->id);
303 mon->mc->id = NULL;
306 monitor_json_emitter(mon, QOBJECT(qmp));
307 QDECREF(qmp);
310 static void timestamp_put(QDict *qdict)
312 int err;
313 QObject *obj;
314 qemu_timeval tv;
316 err = qemu_gettimeofday(&tv);
317 if (err < 0)
318 return;
320 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
321 "'microseconds': %" PRId64 " }",
322 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
323 assert(obj != NULL);
325 qdict_put_obj(qdict, "timestamp", obj);
329 * monitor_protocol_event(): Generate a Monitor event
331 * Event-specific data can be emitted through the (optional) 'data' parameter.
333 void monitor_protocol_event(MonitorEvent event, QObject *data)
335 QDict *qmp;
336 const char *event_name;
337 Monitor *mon;
339 assert(event < QEVENT_MAX);
341 switch (event) {
342 case QEVENT_DEBUG:
343 event_name = "DEBUG";
344 break;
345 case QEVENT_SHUTDOWN:
346 event_name = "SHUTDOWN";
347 break;
348 case QEVENT_RESET:
349 event_name = "RESET";
350 break;
351 case QEVENT_POWERDOWN:
352 event_name = "POWERDOWN";
353 break;
354 case QEVENT_STOP:
355 event_name = "STOP";
356 break;
357 case QEVENT_VNC_CONNECTED:
358 event_name = "VNC_CONNECTED";
359 break;
360 case QEVENT_VNC_INITIALIZED:
361 event_name = "VNC_INITIALIZED";
362 break;
363 case QEVENT_VNC_DISCONNECTED:
364 event_name = "VNC_DISCONNECTED";
365 break;
366 default:
367 abort();
368 break;
371 qmp = qdict_new();
372 timestamp_put(qmp);
373 qdict_put(qmp, "event", qstring_from_str(event_name));
374 if (data) {
375 qobject_incref(data);
376 qdict_put_obj(qmp, "data", data);
379 QLIST_FOREACH(mon, &mon_list, entry) {
380 if (monitor_ctrl_mode(mon)) {
381 monitor_json_emitter(mon, QOBJECT(qmp));
384 QDECREF(qmp);
387 static int compare_cmd(const char *name, const char *list)
389 const char *p, *pstart;
390 int len;
391 len = strlen(name);
392 p = list;
393 for(;;) {
394 pstart = p;
395 p = strchr(p, '|');
396 if (!p)
397 p = pstart + strlen(pstart);
398 if ((p - pstart) == len && !memcmp(pstart, name, len))
399 return 1;
400 if (*p == '\0')
401 break;
402 p++;
404 return 0;
407 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
408 const char *prefix, const char *name)
410 const mon_cmd_t *cmd;
412 for(cmd = cmds; cmd->name != NULL; cmd++) {
413 if (!name || !strcmp(name, cmd->name))
414 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
415 cmd->params, cmd->help);
419 static void help_cmd(Monitor *mon, const char *name)
421 if (name && !strcmp(name, "info")) {
422 help_cmd_dump(mon, info_cmds, "info ", NULL);
423 } else {
424 help_cmd_dump(mon, mon_cmds, "", name);
425 if (name && !strcmp(name, "log")) {
426 const CPULogItem *item;
427 monitor_printf(mon, "Log items (comma separated):\n");
428 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
429 for(item = cpu_log_items; item->mask != 0; item++) {
430 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
436 static void do_help_cmd(Monitor *mon, const QDict *qdict)
438 help_cmd(mon, qdict_get_try_str(qdict, "name"));
441 static void do_commit(Monitor *mon, const QDict *qdict)
443 int all_devices;
444 DriveInfo *dinfo;
445 const char *device = qdict_get_str(qdict, "device");
447 all_devices = !strcmp(device, "all");
448 QTAILQ_FOREACH(dinfo, &drives, next) {
449 if (!all_devices)
450 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
451 continue;
452 bdrv_commit(dinfo->bdrv);
456 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
458 const mon_cmd_t *cmd;
459 const char *item = qdict_get_try_str(qdict, "item");
461 if (!item) {
462 assert(monitor_ctrl_mode(mon) == 0);
463 goto help;
466 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
467 if (compare_cmd(item, cmd->name))
468 break;
471 if (cmd->name == NULL) {
472 if (monitor_ctrl_mode(mon)) {
473 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
474 return;
476 goto help;
479 if (monitor_handler_ported(cmd)) {
480 cmd->mhandler.info_new(mon, ret_data);
482 if (!monitor_ctrl_mode(mon)) {
484 * User Protocol function is called here, Monitor Protocol is
485 * handled by monitor_call_handler()
487 if (*ret_data)
488 cmd->user_print(mon, *ret_data);
490 } else {
491 if (monitor_ctrl_mode(mon)) {
492 /* handler not converted yet */
493 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
494 } else {
495 cmd->mhandler.info(mon);
499 return;
501 help:
502 help_cmd(mon, "info");
505 static void do_info_version_print(Monitor *mon, const QObject *data)
507 QDict *qdict;
509 qdict = qobject_to_qdict(data);
511 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
512 qdict_get_str(qdict, "package"));
516 * do_info_version(): Show QEMU version
518 * Return a QDict with the following information:
520 * - "qemu": QEMU's version
521 * - "package": package's version
523 * Example:
525 * { "qemu": "0.11.50", "package": "" }
527 static void do_info_version(Monitor *mon, QObject **ret_data)
529 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
530 QEMU_VERSION, QEMU_PKGVERSION);
533 static void do_info_name_print(Monitor *mon, const QObject *data)
535 QDict *qdict;
537 qdict = qobject_to_qdict(data);
538 if (qdict_size(qdict) == 0) {
539 return;
542 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
546 * do_info_name(): Show VM name
548 * Return a QDict with the following information:
550 * - "name": VM's name (optional)
552 * Example:
554 * { "name": "qemu-name" }
556 static void do_info_name(Monitor *mon, QObject **ret_data)
558 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
559 qobject_from_jsonf("{}");
562 static QObject *get_cmd_dict(const char *name)
564 const char *p;
566 /* Remove '|' from some commands */
567 p = strchr(name, '|');
568 if (p) {
569 p++;
570 } else {
571 p = name;
574 return qobject_from_jsonf("{ 'name': %s }", p);
578 * do_info_commands(): List QMP available commands
580 * Each command is represented by a QDict, the returned QObject is a QList
581 * of all commands.
583 * The QDict contains:
585 * - "name": command's name
587 * Example:
589 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
591 static void do_info_commands(Monitor *mon, QObject **ret_data)
593 QList *cmd_list;
594 const mon_cmd_t *cmd;
596 cmd_list = qlist_new();
598 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
599 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
600 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
604 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
605 if (monitor_handler_ported(cmd)) {
606 char buf[128];
607 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
608 qlist_append_obj(cmd_list, get_cmd_dict(buf));
612 *ret_data = QOBJECT(cmd_list);
615 #if defined(TARGET_I386)
616 static void do_info_hpet_print(Monitor *mon, const QObject *data)
618 monitor_printf(mon, "HPET is %s by QEMU\n",
619 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
620 "enabled" : "disabled");
624 * do_info_hpet(): Show HPET state
626 * Return a QDict with the following information:
628 * - "enabled": true if hpet if enabled, false otherwise
630 * Example:
632 * { "enabled": true }
634 static void do_info_hpet(Monitor *mon, QObject **ret_data)
636 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
638 #endif
640 static void do_info_uuid_print(Monitor *mon, const QObject *data)
642 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
646 * do_info_uuid(): Show VM UUID
648 * Return a QDict with the following information:
650 * - "UUID": Universally Unique Identifier
652 * Example:
654 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
656 static void do_info_uuid(Monitor *mon, QObject **ret_data)
658 char uuid[64];
660 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
661 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
662 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
663 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
664 qemu_uuid[14], qemu_uuid[15]);
665 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
668 /* get the current CPU defined by the user */
669 static int mon_set_cpu(int cpu_index)
671 CPUState *env;
673 for(env = first_cpu; env != NULL; env = env->next_cpu) {
674 if (env->cpu_index == cpu_index) {
675 cur_mon->mon_cpu = env;
676 return 0;
679 return -1;
682 static CPUState *mon_get_cpu(void)
684 if (!cur_mon->mon_cpu) {
685 mon_set_cpu(0);
687 cpu_synchronize_state(cur_mon->mon_cpu);
688 return cur_mon->mon_cpu;
691 static void do_info_registers(Monitor *mon)
693 CPUState *env;
694 env = mon_get_cpu();
695 #ifdef TARGET_I386
696 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
697 X86_DUMP_FPU);
698 #else
699 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
701 #endif
704 static void print_cpu_iter(QObject *obj, void *opaque)
706 QDict *cpu;
707 int active = ' ';
708 Monitor *mon = opaque;
710 assert(qobject_type(obj) == QTYPE_QDICT);
711 cpu = qobject_to_qdict(obj);
713 if (qdict_get_bool(cpu, "current")) {
714 active = '*';
717 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
719 #if defined(TARGET_I386)
720 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
721 (target_ulong) qdict_get_int(cpu, "pc"));
722 #elif defined(TARGET_PPC)
723 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
724 (target_long) qdict_get_int(cpu, "nip"));
725 #elif defined(TARGET_SPARC)
726 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
727 (target_long) qdict_get_int(cpu, "pc"));
728 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
729 (target_long) qdict_get_int(cpu, "npc"));
730 #elif defined(TARGET_MIPS)
731 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
732 (target_long) qdict_get_int(cpu, "PC"));
733 #endif
735 if (qdict_get_bool(cpu, "halted")) {
736 monitor_printf(mon, " (halted)");
739 monitor_printf(mon, "\n");
742 static void monitor_print_cpus(Monitor *mon, const QObject *data)
744 QList *cpu_list;
746 assert(qobject_type(data) == QTYPE_QLIST);
747 cpu_list = qobject_to_qlist(data);
748 qlist_iter(cpu_list, print_cpu_iter, mon);
752 * do_info_cpus(): Show CPU information
754 * Return a QList. Each CPU is represented by a QDict, which contains:
756 * - "cpu": CPU index
757 * - "current": true if this is the current CPU, false otherwise
758 * - "halted": true if the cpu is halted, false otherwise
759 * - Current program counter. The key's name depends on the architecture:
760 * "pc": i386/x86)64
761 * "nip": PPC
762 * "pc" and "npc": sparc
763 * "PC": mips
765 * Example:
767 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
768 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
770 static void do_info_cpus(Monitor *mon, QObject **ret_data)
772 CPUState *env;
773 QList *cpu_list;
775 cpu_list = qlist_new();
777 /* just to set the default cpu if not already done */
778 mon_get_cpu();
780 for(env = first_cpu; env != NULL; env = env->next_cpu) {
781 QDict *cpu;
782 QObject *obj;
784 cpu_synchronize_state(env);
786 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
787 env->cpu_index, env == mon->mon_cpu,
788 env->halted);
789 assert(obj != NULL);
791 cpu = qobject_to_qdict(obj);
793 #if defined(TARGET_I386)
794 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
795 #elif defined(TARGET_PPC)
796 qdict_put(cpu, "nip", qint_from_int(env->nip));
797 #elif defined(TARGET_SPARC)
798 qdict_put(cpu, "pc", qint_from_int(env->pc));
799 qdict_put(cpu, "npc", qint_from_int(env->npc));
800 #elif defined(TARGET_MIPS)
801 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
802 #endif
804 qlist_append(cpu_list, cpu);
807 *ret_data = QOBJECT(cpu_list);
810 static void do_cpu_set(Monitor *mon, const QDict *qdict, QObject **ret_data)
812 int index = qdict_get_int(qdict, "index");
813 if (mon_set_cpu(index) < 0)
814 qemu_error_new(QERR_INVALID_CPU_INDEX);
817 static void do_info_jit(Monitor *mon)
819 dump_exec_info((FILE *)mon, monitor_fprintf);
822 static void do_info_history(Monitor *mon)
824 int i;
825 const char *str;
827 if (!mon->rs)
828 return;
829 i = 0;
830 for(;;) {
831 str = readline_get_history(mon->rs, i);
832 if (!str)
833 break;
834 monitor_printf(mon, "%d: '%s'\n", i, str);
835 i++;
839 #if defined(TARGET_PPC)
840 /* XXX: not implemented in other targets */
841 static void do_info_cpu_stats(Monitor *mon)
843 CPUState *env;
845 env = mon_get_cpu();
846 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
848 #endif
851 * do_quit(): Quit QEMU execution
853 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
855 exit(0);
858 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
860 if (bdrv_is_inserted(bs)) {
861 if (!force) {
862 if (!bdrv_is_removable(bs)) {
863 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
864 bdrv_get_device_name(bs));
865 return -1;
867 if (bdrv_is_locked(bs)) {
868 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
869 return -1;
872 bdrv_close(bs);
874 return 0;
877 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
879 BlockDriverState *bs;
880 int force = qdict_get_int(qdict, "force");
881 const char *filename = qdict_get_str(qdict, "device");
883 bs = bdrv_find(filename);
884 if (!bs) {
885 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
886 return;
888 eject_device(mon, bs, force);
891 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
892 QObject **ret_data)
894 BlockDriverState *bs;
896 bs = bdrv_find(qdict_get_str(qdict, "device"));
897 if (!bs) {
898 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
899 return;
902 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
903 qemu_error_new(QERR_INVALID_PASSWORD);
907 static void do_change_block(Monitor *mon, const char *device,
908 const char *filename, const char *fmt)
910 BlockDriverState *bs;
911 BlockDriver *drv = NULL;
913 bs = bdrv_find(device);
914 if (!bs) {
915 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
916 return;
918 if (fmt) {
919 drv = bdrv_find_whitelisted_format(fmt);
920 if (!drv) {
921 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
922 return;
925 if (eject_device(mon, bs, 0) < 0)
926 return;
927 bdrv_open2(bs, filename, BDRV_O_RDWR, drv);
928 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
931 static void change_vnc_password(const char *password)
933 if (vnc_display_password(NULL, password) < 0)
934 qemu_error_new(QERR_SET_PASSWD_FAILED);
938 static void change_vnc_password_cb(Monitor *mon, const char *password,
939 void *opaque)
941 change_vnc_password(password);
942 monitor_read_command(mon, 1);
945 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
947 if (strcmp(target, "passwd") == 0 ||
948 strcmp(target, "password") == 0) {
949 if (arg) {
950 char password[9];
951 strncpy(password, arg, sizeof(password));
952 password[sizeof(password) - 1] = '\0';
953 change_vnc_password(password);
954 } else {
955 monitor_read_password(mon, change_vnc_password_cb, NULL);
957 } else {
958 if (vnc_display_open(NULL, target) < 0)
959 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
964 * do_change(): Change a removable medium, or VNC configuration
966 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
968 const char *device = qdict_get_str(qdict, "device");
969 const char *target = qdict_get_str(qdict, "target");
970 const char *arg = qdict_get_try_str(qdict, "arg");
971 if (strcmp(device, "vnc") == 0) {
972 do_change_vnc(mon, target, arg);
973 } else {
974 do_change_block(mon, device, target, arg);
978 static void do_screen_dump(Monitor *mon, const QDict *qdict)
980 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
983 static void do_logfile(Monitor *mon, const QDict *qdict)
985 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
988 static void do_log(Monitor *mon, const QDict *qdict)
990 int mask;
991 const char *items = qdict_get_str(qdict, "items");
993 if (!strcmp(items, "none")) {
994 mask = 0;
995 } else {
996 mask = cpu_str_to_log_mask(items);
997 if (!mask) {
998 help_cmd(mon, "log");
999 return;
1002 cpu_set_log(mask);
1005 static void do_singlestep(Monitor *mon, const QDict *qdict)
1007 const char *option = qdict_get_try_str(qdict, "option");
1008 if (!option || !strcmp(option, "on")) {
1009 singlestep = 1;
1010 } else if (!strcmp(option, "off")) {
1011 singlestep = 0;
1012 } else {
1013 monitor_printf(mon, "unexpected option %s\n", option);
1018 * do_stop(): Stop VM execution
1020 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1022 vm_stop(EXCP_INTERRUPT);
1025 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1027 struct bdrv_iterate_context {
1028 Monitor *mon;
1029 int err;
1033 * do_cont(): Resume emulation.
1035 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1037 struct bdrv_iterate_context context = { mon, 0 };
1039 bdrv_iterate(encrypted_bdrv_it, &context);
1040 /* only resume the vm if all keys are set and valid */
1041 if (!context.err)
1042 vm_start();
1045 static void bdrv_key_cb(void *opaque, int err)
1047 Monitor *mon = opaque;
1049 /* another key was set successfully, retry to continue */
1050 if (!err)
1051 do_cont(mon, NULL, NULL);
1054 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1056 struct bdrv_iterate_context *context = opaque;
1058 if (!context->err && bdrv_key_required(bs)) {
1059 context->err = -EBUSY;
1060 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1061 context->mon);
1065 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1067 const char *device = qdict_get_try_str(qdict, "device");
1068 if (!device)
1069 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1070 if (gdbserver_start(device) < 0) {
1071 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1072 device);
1073 } else if (strcmp(device, "none") == 0) {
1074 monitor_printf(mon, "Disabled gdbserver\n");
1075 } else {
1076 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1077 device);
1081 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1083 const char *action = qdict_get_str(qdict, "action");
1084 if (select_watchdog_action(action) == -1) {
1085 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1089 static void monitor_printc(Monitor *mon, int c)
1091 monitor_printf(mon, "'");
1092 switch(c) {
1093 case '\'':
1094 monitor_printf(mon, "\\'");
1095 break;
1096 case '\\':
1097 monitor_printf(mon, "\\\\");
1098 break;
1099 case '\n':
1100 monitor_printf(mon, "\\n");
1101 break;
1102 case '\r':
1103 monitor_printf(mon, "\\r");
1104 break;
1105 default:
1106 if (c >= 32 && c <= 126) {
1107 monitor_printf(mon, "%c", c);
1108 } else {
1109 monitor_printf(mon, "\\x%02x", c);
1111 break;
1113 monitor_printf(mon, "'");
1116 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1117 target_phys_addr_t addr, int is_physical)
1119 CPUState *env;
1120 int l, line_size, i, max_digits, len;
1121 uint8_t buf[16];
1122 uint64_t v;
1124 if (format == 'i') {
1125 int flags;
1126 flags = 0;
1127 env = mon_get_cpu();
1128 if (!is_physical)
1129 return;
1130 #ifdef TARGET_I386
1131 if (wsize == 2) {
1132 flags = 1;
1133 } else if (wsize == 4) {
1134 flags = 0;
1135 } else {
1136 /* as default we use the current CS size */
1137 flags = 0;
1138 if (env) {
1139 #ifdef TARGET_X86_64
1140 if ((env->efer & MSR_EFER_LMA) &&
1141 (env->segs[R_CS].flags & DESC_L_MASK))
1142 flags = 2;
1143 else
1144 #endif
1145 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1146 flags = 1;
1149 #endif
1150 monitor_disas(mon, env, addr, count, is_physical, flags);
1151 return;
1154 len = wsize * count;
1155 if (wsize == 1)
1156 line_size = 8;
1157 else
1158 line_size = 16;
1159 max_digits = 0;
1161 switch(format) {
1162 case 'o':
1163 max_digits = (wsize * 8 + 2) / 3;
1164 break;
1165 default:
1166 case 'x':
1167 max_digits = (wsize * 8) / 4;
1168 break;
1169 case 'u':
1170 case 'd':
1171 max_digits = (wsize * 8 * 10 + 32) / 33;
1172 break;
1173 case 'c':
1174 wsize = 1;
1175 break;
1178 while (len > 0) {
1179 if (is_physical)
1180 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1181 else
1182 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1183 l = len;
1184 if (l > line_size)
1185 l = line_size;
1186 if (is_physical) {
1187 cpu_physical_memory_rw(addr, buf, l, 0);
1188 } else {
1189 env = mon_get_cpu();
1190 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1191 monitor_printf(mon, " Cannot access memory\n");
1192 break;
1195 i = 0;
1196 while (i < l) {
1197 switch(wsize) {
1198 default:
1199 case 1:
1200 v = ldub_raw(buf + i);
1201 break;
1202 case 2:
1203 v = lduw_raw(buf + i);
1204 break;
1205 case 4:
1206 v = (uint32_t)ldl_raw(buf + i);
1207 break;
1208 case 8:
1209 v = ldq_raw(buf + i);
1210 break;
1212 monitor_printf(mon, " ");
1213 switch(format) {
1214 case 'o':
1215 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1216 break;
1217 case 'x':
1218 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1219 break;
1220 case 'u':
1221 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1222 break;
1223 case 'd':
1224 monitor_printf(mon, "%*" PRId64, max_digits, v);
1225 break;
1226 case 'c':
1227 monitor_printc(mon, v);
1228 break;
1230 i += wsize;
1232 monitor_printf(mon, "\n");
1233 addr += l;
1234 len -= l;
1238 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1240 int count = qdict_get_int(qdict, "count");
1241 int format = qdict_get_int(qdict, "format");
1242 int size = qdict_get_int(qdict, "size");
1243 target_long addr = qdict_get_int(qdict, "addr");
1245 memory_dump(mon, count, format, size, addr, 0);
1248 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1250 int count = qdict_get_int(qdict, "count");
1251 int format = qdict_get_int(qdict, "format");
1252 int size = qdict_get_int(qdict, "size");
1253 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1255 memory_dump(mon, count, format, size, addr, 1);
1258 static void do_print(Monitor *mon, const QDict *qdict)
1260 int format = qdict_get_int(qdict, "format");
1261 target_phys_addr_t val = qdict_get_int(qdict, "val");
1263 #if TARGET_PHYS_ADDR_BITS == 32
1264 switch(format) {
1265 case 'o':
1266 monitor_printf(mon, "%#o", val);
1267 break;
1268 case 'x':
1269 monitor_printf(mon, "%#x", val);
1270 break;
1271 case 'u':
1272 monitor_printf(mon, "%u", val);
1273 break;
1274 default:
1275 case 'd':
1276 monitor_printf(mon, "%d", val);
1277 break;
1278 case 'c':
1279 monitor_printc(mon, val);
1280 break;
1282 #else
1283 switch(format) {
1284 case 'o':
1285 monitor_printf(mon, "%#" PRIo64, val);
1286 break;
1287 case 'x':
1288 monitor_printf(mon, "%#" PRIx64, val);
1289 break;
1290 case 'u':
1291 monitor_printf(mon, "%" PRIu64, val);
1292 break;
1293 default:
1294 case 'd':
1295 monitor_printf(mon, "%" PRId64, val);
1296 break;
1297 case 'c':
1298 monitor_printc(mon, val);
1299 break;
1301 #endif
1302 monitor_printf(mon, "\n");
1305 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1307 FILE *f;
1308 uint32_t size = qdict_get_int(qdict, "size");
1309 const char *filename = qdict_get_str(qdict, "filename");
1310 target_long addr = qdict_get_int(qdict, "val");
1311 uint32_t l;
1312 CPUState *env;
1313 uint8_t buf[1024];
1315 env = mon_get_cpu();
1317 f = fopen(filename, "wb");
1318 if (!f) {
1319 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1320 return;
1322 while (size != 0) {
1323 l = sizeof(buf);
1324 if (l > size)
1325 l = size;
1326 cpu_memory_rw_debug(env, addr, buf, l, 0);
1327 if (fwrite(buf, 1, l, f) != l) {
1328 monitor_printf(mon, "fwrite() error in do_memory_save\n");
1329 goto exit;
1331 addr += l;
1332 size -= l;
1334 exit:
1335 fclose(f);
1338 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1339 QObject **ret_data)
1341 FILE *f;
1342 uint32_t l;
1343 uint8_t buf[1024];
1344 uint32_t size = qdict_get_int(qdict, "size");
1345 const char *filename = qdict_get_str(qdict, "filename");
1346 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1348 f = fopen(filename, "wb");
1349 if (!f) {
1350 qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1351 return;
1353 while (size != 0) {
1354 l = sizeof(buf);
1355 if (l > size)
1356 l = size;
1357 cpu_physical_memory_rw(addr, buf, l, 0);
1358 if (fwrite(buf, 1, l, f) != l) {
1359 monitor_printf(mon, "fwrite() error in do_physical_memory_save\n");
1360 goto exit;
1362 fflush(f);
1363 addr += l;
1364 size -= l;
1366 exit:
1367 fclose(f);
1370 static void do_sum(Monitor *mon, const QDict *qdict)
1372 uint32_t addr;
1373 uint8_t buf[1];
1374 uint16_t sum;
1375 uint32_t start = qdict_get_int(qdict, "start");
1376 uint32_t size = qdict_get_int(qdict, "size");
1378 sum = 0;
1379 for(addr = start; addr < (start + size); addr++) {
1380 cpu_physical_memory_rw(addr, buf, 1, 0);
1381 /* BSD sum algorithm ('sum' Unix command) */
1382 sum = (sum >> 1) | (sum << 15);
1383 sum += buf[0];
1385 monitor_printf(mon, "%05d\n", sum);
1388 typedef struct {
1389 int keycode;
1390 const char *name;
1391 } KeyDef;
1393 static const KeyDef key_defs[] = {
1394 { 0x2a, "shift" },
1395 { 0x36, "shift_r" },
1397 { 0x38, "alt" },
1398 { 0xb8, "alt_r" },
1399 { 0x64, "altgr" },
1400 { 0xe4, "altgr_r" },
1401 { 0x1d, "ctrl" },
1402 { 0x9d, "ctrl_r" },
1404 { 0xdd, "menu" },
1406 { 0x01, "esc" },
1408 { 0x02, "1" },
1409 { 0x03, "2" },
1410 { 0x04, "3" },
1411 { 0x05, "4" },
1412 { 0x06, "5" },
1413 { 0x07, "6" },
1414 { 0x08, "7" },
1415 { 0x09, "8" },
1416 { 0x0a, "9" },
1417 { 0x0b, "0" },
1418 { 0x0c, "minus" },
1419 { 0x0d, "equal" },
1420 { 0x0e, "backspace" },
1422 { 0x0f, "tab" },
1423 { 0x10, "q" },
1424 { 0x11, "w" },
1425 { 0x12, "e" },
1426 { 0x13, "r" },
1427 { 0x14, "t" },
1428 { 0x15, "y" },
1429 { 0x16, "u" },
1430 { 0x17, "i" },
1431 { 0x18, "o" },
1432 { 0x19, "p" },
1434 { 0x1c, "ret" },
1436 { 0x1e, "a" },
1437 { 0x1f, "s" },
1438 { 0x20, "d" },
1439 { 0x21, "f" },
1440 { 0x22, "g" },
1441 { 0x23, "h" },
1442 { 0x24, "j" },
1443 { 0x25, "k" },
1444 { 0x26, "l" },
1446 { 0x2c, "z" },
1447 { 0x2d, "x" },
1448 { 0x2e, "c" },
1449 { 0x2f, "v" },
1450 { 0x30, "b" },
1451 { 0x31, "n" },
1452 { 0x32, "m" },
1453 { 0x33, "comma" },
1454 { 0x34, "dot" },
1455 { 0x35, "slash" },
1457 { 0x37, "asterisk" },
1459 { 0x39, "spc" },
1460 { 0x3a, "caps_lock" },
1461 { 0x3b, "f1" },
1462 { 0x3c, "f2" },
1463 { 0x3d, "f3" },
1464 { 0x3e, "f4" },
1465 { 0x3f, "f5" },
1466 { 0x40, "f6" },
1467 { 0x41, "f7" },
1468 { 0x42, "f8" },
1469 { 0x43, "f9" },
1470 { 0x44, "f10" },
1471 { 0x45, "num_lock" },
1472 { 0x46, "scroll_lock" },
1474 { 0xb5, "kp_divide" },
1475 { 0x37, "kp_multiply" },
1476 { 0x4a, "kp_subtract" },
1477 { 0x4e, "kp_add" },
1478 { 0x9c, "kp_enter" },
1479 { 0x53, "kp_decimal" },
1480 { 0x54, "sysrq" },
1482 { 0x52, "kp_0" },
1483 { 0x4f, "kp_1" },
1484 { 0x50, "kp_2" },
1485 { 0x51, "kp_3" },
1486 { 0x4b, "kp_4" },
1487 { 0x4c, "kp_5" },
1488 { 0x4d, "kp_6" },
1489 { 0x47, "kp_7" },
1490 { 0x48, "kp_8" },
1491 { 0x49, "kp_9" },
1493 { 0x56, "<" },
1495 { 0x57, "f11" },
1496 { 0x58, "f12" },
1498 { 0xb7, "print" },
1500 { 0xc7, "home" },
1501 { 0xc9, "pgup" },
1502 { 0xd1, "pgdn" },
1503 { 0xcf, "end" },
1505 { 0xcb, "left" },
1506 { 0xc8, "up" },
1507 { 0xd0, "down" },
1508 { 0xcd, "right" },
1510 { 0xd2, "insert" },
1511 { 0xd3, "delete" },
1512 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1513 { 0xf0, "stop" },
1514 { 0xf1, "again" },
1515 { 0xf2, "props" },
1516 { 0xf3, "undo" },
1517 { 0xf4, "front" },
1518 { 0xf5, "copy" },
1519 { 0xf6, "open" },
1520 { 0xf7, "paste" },
1521 { 0xf8, "find" },
1522 { 0xf9, "cut" },
1523 { 0xfa, "lf" },
1524 { 0xfb, "help" },
1525 { 0xfc, "meta_l" },
1526 { 0xfd, "meta_r" },
1527 { 0xfe, "compose" },
1528 #endif
1529 { 0, NULL },
1532 static int get_keycode(const char *key)
1534 const KeyDef *p;
1535 char *endp;
1536 int ret;
1538 for(p = key_defs; p->name != NULL; p++) {
1539 if (!strcmp(key, p->name))
1540 return p->keycode;
1542 if (strstart(key, "0x", NULL)) {
1543 ret = strtoul(key, &endp, 0);
1544 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1545 return ret;
1547 return -1;
1550 #define MAX_KEYCODES 16
1551 static uint8_t keycodes[MAX_KEYCODES];
1552 static int nb_pending_keycodes;
1553 static QEMUTimer *key_timer;
1555 static void release_keys(void *opaque)
1557 int keycode;
1559 while (nb_pending_keycodes > 0) {
1560 nb_pending_keycodes--;
1561 keycode = keycodes[nb_pending_keycodes];
1562 if (keycode & 0x80)
1563 kbd_put_keycode(0xe0);
1564 kbd_put_keycode(keycode | 0x80);
1568 static void do_sendkey(Monitor *mon, const QDict *qdict)
1570 char keyname_buf[16];
1571 char *separator;
1572 int keyname_len, keycode, i;
1573 const char *string = qdict_get_str(qdict, "string");
1574 int has_hold_time = qdict_haskey(qdict, "hold_time");
1575 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1577 if (nb_pending_keycodes > 0) {
1578 qemu_del_timer(key_timer);
1579 release_keys(NULL);
1581 if (!has_hold_time)
1582 hold_time = 100;
1583 i = 0;
1584 while (1) {
1585 separator = strchr(string, '-');
1586 keyname_len = separator ? separator - string : strlen(string);
1587 if (keyname_len > 0) {
1588 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1589 if (keyname_len > sizeof(keyname_buf) - 1) {
1590 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1591 return;
1593 if (i == MAX_KEYCODES) {
1594 monitor_printf(mon, "too many keys\n");
1595 return;
1597 keyname_buf[keyname_len] = 0;
1598 keycode = get_keycode(keyname_buf);
1599 if (keycode < 0) {
1600 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1601 return;
1603 keycodes[i++] = keycode;
1605 if (!separator)
1606 break;
1607 string = separator + 1;
1609 nb_pending_keycodes = i;
1610 /* key down events */
1611 for (i = 0; i < nb_pending_keycodes; i++) {
1612 keycode = keycodes[i];
1613 if (keycode & 0x80)
1614 kbd_put_keycode(0xe0);
1615 kbd_put_keycode(keycode & 0x7f);
1617 /* delayed key up events */
1618 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1619 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1622 static int mouse_button_state;
1624 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1626 int dx, dy, dz;
1627 const char *dx_str = qdict_get_str(qdict, "dx_str");
1628 const char *dy_str = qdict_get_str(qdict, "dy_str");
1629 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1630 dx = strtol(dx_str, NULL, 0);
1631 dy = strtol(dy_str, NULL, 0);
1632 dz = 0;
1633 if (dz_str)
1634 dz = strtol(dz_str, NULL, 0);
1635 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1638 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1640 int button_state = qdict_get_int(qdict, "button_state");
1641 mouse_button_state = button_state;
1642 kbd_mouse_event(0, 0, 0, mouse_button_state);
1645 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1647 int size = qdict_get_int(qdict, "size");
1648 int addr = qdict_get_int(qdict, "addr");
1649 int has_index = qdict_haskey(qdict, "index");
1650 uint32_t val;
1651 int suffix;
1653 if (has_index) {
1654 int index = qdict_get_int(qdict, "index");
1655 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1656 addr++;
1658 addr &= 0xffff;
1660 switch(size) {
1661 default:
1662 case 1:
1663 val = cpu_inb(addr);
1664 suffix = 'b';
1665 break;
1666 case 2:
1667 val = cpu_inw(addr);
1668 suffix = 'w';
1669 break;
1670 case 4:
1671 val = cpu_inl(addr);
1672 suffix = 'l';
1673 break;
1675 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1676 suffix, addr, size * 2, val);
1679 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1681 int size = qdict_get_int(qdict, "size");
1682 int addr = qdict_get_int(qdict, "addr");
1683 int val = qdict_get_int(qdict, "val");
1685 addr &= IOPORTS_MASK;
1687 switch (size) {
1688 default:
1689 case 1:
1690 cpu_outb(addr, val);
1691 break;
1692 case 2:
1693 cpu_outw(addr, val);
1694 break;
1695 case 4:
1696 cpu_outl(addr, val);
1697 break;
1701 static void do_boot_set(Monitor *mon, const QDict *qdict)
1703 int res;
1704 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1706 res = qemu_boot_set(bootdevice);
1707 if (res == 0) {
1708 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1709 } else if (res > 0) {
1710 monitor_printf(mon, "setting boot device list failed\n");
1711 } else {
1712 monitor_printf(mon, "no function defined to set boot device list for "
1713 "this architecture\n");
1718 * do_system_reset(): Issue a machine reset
1720 static void do_system_reset(Monitor *mon, const QDict *qdict,
1721 QObject **ret_data)
1723 qemu_system_reset_request();
1727 * do_system_powerdown(): Issue a machine powerdown
1729 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1730 QObject **ret_data)
1732 qemu_system_powerdown_request();
1735 #if defined(TARGET_I386)
1736 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1738 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1739 addr,
1740 pte & mask,
1741 pte & PG_GLOBAL_MASK ? 'G' : '-',
1742 pte & PG_PSE_MASK ? 'P' : '-',
1743 pte & PG_DIRTY_MASK ? 'D' : '-',
1744 pte & PG_ACCESSED_MASK ? 'A' : '-',
1745 pte & PG_PCD_MASK ? 'C' : '-',
1746 pte & PG_PWT_MASK ? 'T' : '-',
1747 pte & PG_USER_MASK ? 'U' : '-',
1748 pte & PG_RW_MASK ? 'W' : '-');
1751 static void tlb_info(Monitor *mon)
1753 CPUState *env;
1754 int l1, l2;
1755 uint32_t pgd, pde, pte;
1757 env = mon_get_cpu();
1759 if (!(env->cr[0] & CR0_PG_MASK)) {
1760 monitor_printf(mon, "PG disabled\n");
1761 return;
1763 pgd = env->cr[3] & ~0xfff;
1764 for(l1 = 0; l1 < 1024; l1++) {
1765 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1766 pde = le32_to_cpu(pde);
1767 if (pde & PG_PRESENT_MASK) {
1768 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1769 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1770 } else {
1771 for(l2 = 0; l2 < 1024; l2++) {
1772 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1773 (uint8_t *)&pte, 4);
1774 pte = le32_to_cpu(pte);
1775 if (pte & PG_PRESENT_MASK) {
1776 print_pte(mon, (l1 << 22) + (l2 << 12),
1777 pte & ~PG_PSE_MASK,
1778 ~0xfff);
1786 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1787 uint32_t end, int prot)
1789 int prot1;
1790 prot1 = *plast_prot;
1791 if (prot != prot1) {
1792 if (*pstart != -1) {
1793 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1794 *pstart, end, end - *pstart,
1795 prot1 & PG_USER_MASK ? 'u' : '-',
1796 'r',
1797 prot1 & PG_RW_MASK ? 'w' : '-');
1799 if (prot != 0)
1800 *pstart = end;
1801 else
1802 *pstart = -1;
1803 *plast_prot = prot;
1807 static void mem_info(Monitor *mon)
1809 CPUState *env;
1810 int l1, l2, prot, last_prot;
1811 uint32_t pgd, pde, pte, start, end;
1813 env = mon_get_cpu();
1815 if (!(env->cr[0] & CR0_PG_MASK)) {
1816 monitor_printf(mon, "PG disabled\n");
1817 return;
1819 pgd = env->cr[3] & ~0xfff;
1820 last_prot = 0;
1821 start = -1;
1822 for(l1 = 0; l1 < 1024; l1++) {
1823 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1824 pde = le32_to_cpu(pde);
1825 end = l1 << 22;
1826 if (pde & PG_PRESENT_MASK) {
1827 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1828 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1829 mem_print(mon, &start, &last_prot, end, prot);
1830 } else {
1831 for(l2 = 0; l2 < 1024; l2++) {
1832 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1833 (uint8_t *)&pte, 4);
1834 pte = le32_to_cpu(pte);
1835 end = (l1 << 22) + (l2 << 12);
1836 if (pte & PG_PRESENT_MASK) {
1837 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1838 } else {
1839 prot = 0;
1841 mem_print(mon, &start, &last_prot, end, prot);
1844 } else {
1845 prot = 0;
1846 mem_print(mon, &start, &last_prot, end, prot);
1850 #endif
1852 #if defined(TARGET_SH4)
1854 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1856 monitor_printf(mon, " tlb%i:\t"
1857 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1858 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1859 "dirty=%hhu writethrough=%hhu\n",
1860 idx,
1861 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1862 tlb->v, tlb->sh, tlb->c, tlb->pr,
1863 tlb->d, tlb->wt);
1866 static void tlb_info(Monitor *mon)
1868 CPUState *env = mon_get_cpu();
1869 int i;
1871 monitor_printf (mon, "ITLB:\n");
1872 for (i = 0 ; i < ITLB_SIZE ; i++)
1873 print_tlb (mon, i, &env->itlb[i]);
1874 monitor_printf (mon, "UTLB:\n");
1875 for (i = 0 ; i < UTLB_SIZE ; i++)
1876 print_tlb (mon, i, &env->utlb[i]);
1879 #endif
1881 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1883 QDict *qdict;
1885 qdict = qobject_to_qdict(data);
1887 monitor_printf(mon, "kvm support: ");
1888 if (qdict_get_bool(qdict, "present")) {
1889 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1890 "enabled" : "disabled");
1891 } else {
1892 monitor_printf(mon, "not compiled\n");
1897 * do_info_kvm(): Show KVM information
1899 * Return a QDict with the following information:
1901 * - "enabled": true if KVM support is enabled, false otherwise
1902 * - "present": true if QEMU has KVM support, false otherwise
1904 * Example:
1906 * { "enabled": true, "present": true }
1908 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1910 #ifdef CONFIG_KVM
1911 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1912 kvm_enabled());
1913 #else
1914 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1915 #endif
1918 static void do_info_numa(Monitor *mon)
1920 int i;
1921 CPUState *env;
1923 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1924 for (i = 0; i < nb_numa_nodes; i++) {
1925 monitor_printf(mon, "node %d cpus:", i);
1926 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1927 if (env->numa_node == i) {
1928 monitor_printf(mon, " %d", env->cpu_index);
1931 monitor_printf(mon, "\n");
1932 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1933 node_mem[i] >> 20);
1937 #ifdef CONFIG_PROFILER
1939 int64_t qemu_time;
1940 int64_t dev_time;
1942 static void do_info_profile(Monitor *mon)
1944 int64_t total;
1945 total = qemu_time;
1946 if (total == 0)
1947 total = 1;
1948 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1949 dev_time, dev_time / (double)get_ticks_per_sec());
1950 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1951 qemu_time, qemu_time / (double)get_ticks_per_sec());
1952 qemu_time = 0;
1953 dev_time = 0;
1955 #else
1956 static void do_info_profile(Monitor *mon)
1958 monitor_printf(mon, "Internal profiler not compiled\n");
1960 #endif
1962 /* Capture support */
1963 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1965 static void do_info_capture(Monitor *mon)
1967 int i;
1968 CaptureState *s;
1970 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1971 monitor_printf(mon, "[%d]: ", i);
1972 s->ops.info (s->opaque);
1976 #ifdef HAS_AUDIO
1977 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1979 int i;
1980 int n = qdict_get_int(qdict, "n");
1981 CaptureState *s;
1983 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1984 if (i == n) {
1985 s->ops.destroy (s->opaque);
1986 QLIST_REMOVE (s, entries);
1987 qemu_free (s);
1988 return;
1993 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1995 const char *path = qdict_get_str(qdict, "path");
1996 int has_freq = qdict_haskey(qdict, "freq");
1997 int freq = qdict_get_try_int(qdict, "freq", -1);
1998 int has_bits = qdict_haskey(qdict, "bits");
1999 int bits = qdict_get_try_int(qdict, "bits", -1);
2000 int has_channels = qdict_haskey(qdict, "nchannels");
2001 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
2002 CaptureState *s;
2004 s = qemu_mallocz (sizeof (*s));
2006 freq = has_freq ? freq : 44100;
2007 bits = has_bits ? bits : 16;
2008 nchannels = has_channels ? nchannels : 2;
2010 if (wav_start_capture (s, path, freq, bits, nchannels)) {
2011 monitor_printf(mon, "Faied to add wave capture\n");
2012 qemu_free (s);
2014 QLIST_INSERT_HEAD (&capture_head, s, entries);
2016 #endif
2018 #if defined(TARGET_I386)
2019 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2021 CPUState *env;
2022 int cpu_index = qdict_get_int(qdict, "cpu_index");
2024 for (env = first_cpu; env != NULL; env = env->next_cpu)
2025 if (env->cpu_index == cpu_index) {
2026 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2027 break;
2030 #endif
2032 static void do_info_status_print(Monitor *mon, const QObject *data)
2034 QDict *qdict;
2036 qdict = qobject_to_qdict(data);
2038 monitor_printf(mon, "VM status: ");
2039 if (qdict_get_bool(qdict, "running")) {
2040 monitor_printf(mon, "running");
2041 if (qdict_get_bool(qdict, "singlestep")) {
2042 monitor_printf(mon, " (single step mode)");
2044 } else {
2045 monitor_printf(mon, "paused");
2048 monitor_printf(mon, "\n");
2052 * do_info_status(): VM status
2054 * Return a QDict with the following information:
2056 * - "running": true if the VM is running, or false if it is paused
2057 * - "singlestep": true if the VM is in single step mode, false otherwise
2059 * Example:
2061 * { "running": true, "singlestep": false }
2063 static void do_info_status(Monitor *mon, QObject **ret_data)
2065 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2066 vm_running, singlestep);
2069 static ram_addr_t balloon_get_value(void)
2071 ram_addr_t actual;
2073 if (kvm_enabled() && !kvm_has_sync_mmu()) {
2074 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2075 return 0;
2078 actual = qemu_balloon_status();
2079 if (actual == 0) {
2080 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2081 return 0;
2084 return actual;
2088 * do_balloon(): Request VM to change its memory allocation
2090 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2092 if (balloon_get_value()) {
2093 /* ballooning is active */
2094 qemu_balloon(qdict_get_int(qdict, "value"));
2098 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2100 QDict *qdict;
2102 qdict = qobject_to_qdict(data);
2104 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2105 qdict_get_int(qdict, "balloon") >> 20);
2109 * do_info_balloon(): Balloon information
2111 * Return a QDict with the following information:
2113 * - "balloon": current balloon value in bytes
2115 * Example:
2117 * { "balloon": 1073741824 }
2119 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2121 ram_addr_t actual;
2123 actual = balloon_get_value();
2124 if (actual != 0) {
2125 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2126 (int64_t) actual);
2130 static qemu_acl *find_acl(Monitor *mon, const char *name)
2132 qemu_acl *acl = qemu_acl_find(name);
2134 if (!acl) {
2135 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2137 return acl;
2140 static void do_acl_show(Monitor *mon, const QDict *qdict)
2142 const char *aclname = qdict_get_str(qdict, "aclname");
2143 qemu_acl *acl = find_acl(mon, aclname);
2144 qemu_acl_entry *entry;
2145 int i = 0;
2147 if (acl) {
2148 monitor_printf(mon, "policy: %s\n",
2149 acl->defaultDeny ? "deny" : "allow");
2150 QTAILQ_FOREACH(entry, &acl->entries, next) {
2151 i++;
2152 monitor_printf(mon, "%d: %s %s\n", i,
2153 entry->deny ? "deny" : "allow", entry->match);
2158 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2160 const char *aclname = qdict_get_str(qdict, "aclname");
2161 qemu_acl *acl = find_acl(mon, aclname);
2163 if (acl) {
2164 qemu_acl_reset(acl);
2165 monitor_printf(mon, "acl: removed all rules\n");
2169 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2171 const char *aclname = qdict_get_str(qdict, "aclname");
2172 const char *policy = qdict_get_str(qdict, "policy");
2173 qemu_acl *acl = find_acl(mon, aclname);
2175 if (acl) {
2176 if (strcmp(policy, "allow") == 0) {
2177 acl->defaultDeny = 0;
2178 monitor_printf(mon, "acl: policy set to 'allow'\n");
2179 } else if (strcmp(policy, "deny") == 0) {
2180 acl->defaultDeny = 1;
2181 monitor_printf(mon, "acl: policy set to 'deny'\n");
2182 } else {
2183 monitor_printf(mon, "acl: unknown policy '%s', "
2184 "expected 'deny' or 'allow'\n", policy);
2189 static void do_acl_add(Monitor *mon, const QDict *qdict)
2191 const char *aclname = qdict_get_str(qdict, "aclname");
2192 const char *match = qdict_get_str(qdict, "match");
2193 const char *policy = qdict_get_str(qdict, "policy");
2194 int has_index = qdict_haskey(qdict, "index");
2195 int index = qdict_get_try_int(qdict, "index", -1);
2196 qemu_acl *acl = find_acl(mon, aclname);
2197 int deny, ret;
2199 if (acl) {
2200 if (strcmp(policy, "allow") == 0) {
2201 deny = 0;
2202 } else if (strcmp(policy, "deny") == 0) {
2203 deny = 1;
2204 } else {
2205 monitor_printf(mon, "acl: unknown policy '%s', "
2206 "expected 'deny' or 'allow'\n", policy);
2207 return;
2209 if (has_index)
2210 ret = qemu_acl_insert(acl, deny, match, index);
2211 else
2212 ret = qemu_acl_append(acl, deny, match);
2213 if (ret < 0)
2214 monitor_printf(mon, "acl: unable to add acl entry\n");
2215 else
2216 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2220 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2222 const char *aclname = qdict_get_str(qdict, "aclname");
2223 const char *match = qdict_get_str(qdict, "match");
2224 qemu_acl *acl = find_acl(mon, aclname);
2225 int ret;
2227 if (acl) {
2228 ret = qemu_acl_remove(acl, match);
2229 if (ret < 0)
2230 monitor_printf(mon, "acl: no matching acl entry\n");
2231 else
2232 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2236 #if defined(TARGET_I386)
2237 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2239 CPUState *cenv;
2240 int cpu_index = qdict_get_int(qdict, "cpu_index");
2241 int bank = qdict_get_int(qdict, "bank");
2242 uint64_t status = qdict_get_int(qdict, "status");
2243 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2244 uint64_t addr = qdict_get_int(qdict, "addr");
2245 uint64_t misc = qdict_get_int(qdict, "misc");
2247 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2248 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2249 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2250 break;
2253 #endif
2255 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2257 const char *fdname = qdict_get_str(qdict, "fdname");
2258 mon_fd_t *monfd;
2259 int fd;
2261 fd = qemu_chr_get_msgfd(mon->chr);
2262 if (fd == -1) {
2263 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2264 return;
2267 if (qemu_isdigit(fdname[0])) {
2268 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2269 return;
2272 fd = dup(fd);
2273 if (fd == -1) {
2274 if (errno == EMFILE)
2275 qemu_error_new(QERR_TOO_MANY_FILES);
2276 else
2277 qemu_error_new(QERR_UNDEFINED_ERROR);
2278 return;
2281 QLIST_FOREACH(monfd, &mon->fds, next) {
2282 if (strcmp(monfd->name, fdname) != 0) {
2283 continue;
2286 close(monfd->fd);
2287 monfd->fd = fd;
2288 return;
2291 monfd = qemu_mallocz(sizeof(mon_fd_t));
2292 monfd->name = qemu_strdup(fdname);
2293 monfd->fd = fd;
2295 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2298 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2300 const char *fdname = qdict_get_str(qdict, "fdname");
2301 mon_fd_t *monfd;
2303 QLIST_FOREACH(monfd, &mon->fds, next) {
2304 if (strcmp(monfd->name, fdname) != 0) {
2305 continue;
2308 QLIST_REMOVE(monfd, next);
2309 close(monfd->fd);
2310 qemu_free(monfd->name);
2311 qemu_free(monfd);
2312 return;
2315 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2318 static void do_loadvm(Monitor *mon, const QDict *qdict)
2320 int saved_vm_running = vm_running;
2321 const char *name = qdict_get_str(qdict, "name");
2323 vm_stop(0);
2325 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2326 vm_start();
2329 int monitor_get_fd(Monitor *mon, const char *fdname)
2331 mon_fd_t *monfd;
2333 QLIST_FOREACH(monfd, &mon->fds, next) {
2334 int fd;
2336 if (strcmp(monfd->name, fdname) != 0) {
2337 continue;
2340 fd = monfd->fd;
2342 /* caller takes ownership of fd */
2343 QLIST_REMOVE(monfd, next);
2344 qemu_free(monfd->name);
2345 qemu_free(monfd);
2347 return fd;
2350 return -1;
2353 static const mon_cmd_t mon_cmds[] = {
2354 #include "qemu-monitor.h"
2355 { NULL, NULL, },
2358 /* Please update qemu-monitor.hx when adding or changing commands */
2359 static const mon_cmd_t info_cmds[] = {
2361 .name = "version",
2362 .args_type = "",
2363 .params = "",
2364 .help = "show the version of QEMU",
2365 .user_print = do_info_version_print,
2366 .mhandler.info_new = do_info_version,
2369 .name = "commands",
2370 .args_type = "",
2371 .params = "",
2372 .help = "list QMP available commands",
2373 .user_print = monitor_user_noop,
2374 .mhandler.info_new = do_info_commands,
2377 .name = "network",
2378 .args_type = "",
2379 .params = "",
2380 .help = "show the network state",
2381 .mhandler.info = do_info_network,
2384 .name = "chardev",
2385 .args_type = "",
2386 .params = "",
2387 .help = "show the character devices",
2388 .user_print = qemu_chr_info_print,
2389 .mhandler.info_new = qemu_chr_info,
2392 .name = "block",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show the block devices",
2396 .user_print = bdrv_info_print,
2397 .mhandler.info_new = bdrv_info,
2400 .name = "blockstats",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show block device statistics",
2404 .user_print = bdrv_stats_print,
2405 .mhandler.info_new = bdrv_info_stats,
2408 .name = "registers",
2409 .args_type = "",
2410 .params = "",
2411 .help = "show the cpu registers",
2412 .mhandler.info = do_info_registers,
2415 .name = "cpus",
2416 .args_type = "",
2417 .params = "",
2418 .help = "show infos for each CPU",
2419 .user_print = monitor_print_cpus,
2420 .mhandler.info_new = do_info_cpus,
2423 .name = "history",
2424 .args_type = "",
2425 .params = "",
2426 .help = "show the command line history",
2427 .mhandler.info = do_info_history,
2430 .name = "irq",
2431 .args_type = "",
2432 .params = "",
2433 .help = "show the interrupts statistics (if available)",
2434 .mhandler.info = irq_info,
2437 .name = "pic",
2438 .args_type = "",
2439 .params = "",
2440 .help = "show i8259 (PIC) state",
2441 .mhandler.info = pic_info,
2444 .name = "pci",
2445 .args_type = "",
2446 .params = "",
2447 .help = "show PCI info",
2448 .mhandler.info = pci_info,
2450 #if defined(TARGET_I386) || defined(TARGET_SH4)
2452 .name = "tlb",
2453 .args_type = "",
2454 .params = "",
2455 .help = "show virtual to physical memory mappings",
2456 .mhandler.info = tlb_info,
2458 #endif
2459 #if defined(TARGET_I386)
2461 .name = "mem",
2462 .args_type = "",
2463 .params = "",
2464 .help = "show the active virtual memory mappings",
2465 .mhandler.info = mem_info,
2468 .name = "hpet",
2469 .args_type = "",
2470 .params = "",
2471 .help = "show state of HPET",
2472 .user_print = do_info_hpet_print,
2473 .mhandler.info_new = do_info_hpet,
2475 #endif
2477 .name = "jit",
2478 .args_type = "",
2479 .params = "",
2480 .help = "show dynamic compiler info",
2481 .mhandler.info = do_info_jit,
2484 .name = "kvm",
2485 .args_type = "",
2486 .params = "",
2487 .help = "show KVM information",
2488 .user_print = do_info_kvm_print,
2489 .mhandler.info_new = do_info_kvm,
2492 .name = "numa",
2493 .args_type = "",
2494 .params = "",
2495 .help = "show NUMA information",
2496 .mhandler.info = do_info_numa,
2499 .name = "usb",
2500 .args_type = "",
2501 .params = "",
2502 .help = "show guest USB devices",
2503 .mhandler.info = usb_info,
2506 .name = "usbhost",
2507 .args_type = "",
2508 .params = "",
2509 .help = "show host USB devices",
2510 .mhandler.info = usb_host_info,
2513 .name = "profile",
2514 .args_type = "",
2515 .params = "",
2516 .help = "show profiling information",
2517 .mhandler.info = do_info_profile,
2520 .name = "capture",
2521 .args_type = "",
2522 .params = "",
2523 .help = "show capture information",
2524 .mhandler.info = do_info_capture,
2527 .name = "snapshots",
2528 .args_type = "",
2529 .params = "",
2530 .help = "show the currently saved VM snapshots",
2531 .mhandler.info = do_info_snapshots,
2534 .name = "status",
2535 .args_type = "",
2536 .params = "",
2537 .help = "show the current VM status (running|paused)",
2538 .user_print = do_info_status_print,
2539 .mhandler.info_new = do_info_status,
2542 .name = "pcmcia",
2543 .args_type = "",
2544 .params = "",
2545 .help = "show guest PCMCIA status",
2546 .mhandler.info = pcmcia_info,
2549 .name = "mice",
2550 .args_type = "",
2551 .params = "",
2552 .help = "show which guest mouse is receiving events",
2553 .user_print = do_info_mice_print,
2554 .mhandler.info_new = do_info_mice,
2557 .name = "vnc",
2558 .args_type = "",
2559 .params = "",
2560 .help = "show the vnc server status",
2561 .user_print = do_info_vnc_print,
2562 .mhandler.info_new = do_info_vnc,
2565 .name = "name",
2566 .args_type = "",
2567 .params = "",
2568 .help = "show the current VM name",
2569 .user_print = do_info_name_print,
2570 .mhandler.info_new = do_info_name,
2573 .name = "uuid",
2574 .args_type = "",
2575 .params = "",
2576 .help = "show the current VM UUID",
2577 .user_print = do_info_uuid_print,
2578 .mhandler.info_new = do_info_uuid,
2580 #if defined(TARGET_PPC)
2582 .name = "cpustats",
2583 .args_type = "",
2584 .params = "",
2585 .help = "show CPU statistics",
2586 .mhandler.info = do_info_cpu_stats,
2588 #endif
2589 #if defined(CONFIG_SLIRP)
2591 .name = "usernet",
2592 .args_type = "",
2593 .params = "",
2594 .help = "show user network stack connection states",
2595 .mhandler.info = do_info_usernet,
2597 #endif
2599 .name = "migrate",
2600 .args_type = "",
2601 .params = "",
2602 .help = "show migration status",
2603 .user_print = do_info_migrate_print,
2604 .mhandler.info_new = do_info_migrate,
2607 .name = "balloon",
2608 .args_type = "",
2609 .params = "",
2610 .help = "show balloon information",
2611 .user_print = monitor_print_balloon,
2612 .mhandler.info_new = do_info_balloon,
2615 .name = "qtree",
2616 .args_type = "",
2617 .params = "",
2618 .help = "show device tree",
2619 .mhandler.info = do_info_qtree,
2622 .name = "qdm",
2623 .args_type = "",
2624 .params = "",
2625 .help = "show qdev device model list",
2626 .mhandler.info = do_info_qdm,
2629 .name = "roms",
2630 .args_type = "",
2631 .params = "",
2632 .help = "show roms",
2633 .mhandler.info = do_info_roms,
2636 .name = NULL,
2640 /*******************************************************************/
2642 static const char *pch;
2643 static jmp_buf expr_env;
2645 #define MD_TLONG 0
2646 #define MD_I32 1
2648 typedef struct MonitorDef {
2649 const char *name;
2650 int offset;
2651 target_long (*get_value)(const struct MonitorDef *md, int val);
2652 int type;
2653 } MonitorDef;
2655 #if defined(TARGET_I386)
2656 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2658 CPUState *env = mon_get_cpu();
2659 return env->eip + env->segs[R_CS].base;
2661 #endif
2663 #if defined(TARGET_PPC)
2664 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2666 CPUState *env = mon_get_cpu();
2667 unsigned int u;
2668 int i;
2670 u = 0;
2671 for (i = 0; i < 8; i++)
2672 u |= env->crf[i] << (32 - (4 * i));
2674 return u;
2677 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2679 CPUState *env = mon_get_cpu();
2680 return env->msr;
2683 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2685 CPUState *env = mon_get_cpu();
2686 return env->xer;
2689 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2691 CPUState *env = mon_get_cpu();
2692 return cpu_ppc_load_decr(env);
2695 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2697 CPUState *env = mon_get_cpu();
2698 return cpu_ppc_load_tbu(env);
2701 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2703 CPUState *env = mon_get_cpu();
2704 return cpu_ppc_load_tbl(env);
2706 #endif
2708 #if defined(TARGET_SPARC)
2709 #ifndef TARGET_SPARC64
2710 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2712 CPUState *env = mon_get_cpu();
2713 return GET_PSR(env);
2715 #endif
2717 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2719 CPUState *env = mon_get_cpu();
2720 return env->regwptr[val];
2722 #endif
2724 static const MonitorDef monitor_defs[] = {
2725 #ifdef TARGET_I386
2727 #define SEG(name, seg) \
2728 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2729 { name ".base", offsetof(CPUState, segs[seg].base) },\
2730 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2732 { "eax", offsetof(CPUState, regs[0]) },
2733 { "ecx", offsetof(CPUState, regs[1]) },
2734 { "edx", offsetof(CPUState, regs[2]) },
2735 { "ebx", offsetof(CPUState, regs[3]) },
2736 { "esp|sp", offsetof(CPUState, regs[4]) },
2737 { "ebp|fp", offsetof(CPUState, regs[5]) },
2738 { "esi", offsetof(CPUState, regs[6]) },
2739 { "edi", offsetof(CPUState, regs[7]) },
2740 #ifdef TARGET_X86_64
2741 { "r8", offsetof(CPUState, regs[8]) },
2742 { "r9", offsetof(CPUState, regs[9]) },
2743 { "r10", offsetof(CPUState, regs[10]) },
2744 { "r11", offsetof(CPUState, regs[11]) },
2745 { "r12", offsetof(CPUState, regs[12]) },
2746 { "r13", offsetof(CPUState, regs[13]) },
2747 { "r14", offsetof(CPUState, regs[14]) },
2748 { "r15", offsetof(CPUState, regs[15]) },
2749 #endif
2750 { "eflags", offsetof(CPUState, eflags) },
2751 { "eip", offsetof(CPUState, eip) },
2752 SEG("cs", R_CS)
2753 SEG("ds", R_DS)
2754 SEG("es", R_ES)
2755 SEG("ss", R_SS)
2756 SEG("fs", R_FS)
2757 SEG("gs", R_GS)
2758 { "pc", 0, monitor_get_pc, },
2759 #elif defined(TARGET_PPC)
2760 /* General purpose registers */
2761 { "r0", offsetof(CPUState, gpr[0]) },
2762 { "r1", offsetof(CPUState, gpr[1]) },
2763 { "r2", offsetof(CPUState, gpr[2]) },
2764 { "r3", offsetof(CPUState, gpr[3]) },
2765 { "r4", offsetof(CPUState, gpr[4]) },
2766 { "r5", offsetof(CPUState, gpr[5]) },
2767 { "r6", offsetof(CPUState, gpr[6]) },
2768 { "r7", offsetof(CPUState, gpr[7]) },
2769 { "r8", offsetof(CPUState, gpr[8]) },
2770 { "r9", offsetof(CPUState, gpr[9]) },
2771 { "r10", offsetof(CPUState, gpr[10]) },
2772 { "r11", offsetof(CPUState, gpr[11]) },
2773 { "r12", offsetof(CPUState, gpr[12]) },
2774 { "r13", offsetof(CPUState, gpr[13]) },
2775 { "r14", offsetof(CPUState, gpr[14]) },
2776 { "r15", offsetof(CPUState, gpr[15]) },
2777 { "r16", offsetof(CPUState, gpr[16]) },
2778 { "r17", offsetof(CPUState, gpr[17]) },
2779 { "r18", offsetof(CPUState, gpr[18]) },
2780 { "r19", offsetof(CPUState, gpr[19]) },
2781 { "r20", offsetof(CPUState, gpr[20]) },
2782 { "r21", offsetof(CPUState, gpr[21]) },
2783 { "r22", offsetof(CPUState, gpr[22]) },
2784 { "r23", offsetof(CPUState, gpr[23]) },
2785 { "r24", offsetof(CPUState, gpr[24]) },
2786 { "r25", offsetof(CPUState, gpr[25]) },
2787 { "r26", offsetof(CPUState, gpr[26]) },
2788 { "r27", offsetof(CPUState, gpr[27]) },
2789 { "r28", offsetof(CPUState, gpr[28]) },
2790 { "r29", offsetof(CPUState, gpr[29]) },
2791 { "r30", offsetof(CPUState, gpr[30]) },
2792 { "r31", offsetof(CPUState, gpr[31]) },
2793 /* Floating point registers */
2794 { "f0", offsetof(CPUState, fpr[0]) },
2795 { "f1", offsetof(CPUState, fpr[1]) },
2796 { "f2", offsetof(CPUState, fpr[2]) },
2797 { "f3", offsetof(CPUState, fpr[3]) },
2798 { "f4", offsetof(CPUState, fpr[4]) },
2799 { "f5", offsetof(CPUState, fpr[5]) },
2800 { "f6", offsetof(CPUState, fpr[6]) },
2801 { "f7", offsetof(CPUState, fpr[7]) },
2802 { "f8", offsetof(CPUState, fpr[8]) },
2803 { "f9", offsetof(CPUState, fpr[9]) },
2804 { "f10", offsetof(CPUState, fpr[10]) },
2805 { "f11", offsetof(CPUState, fpr[11]) },
2806 { "f12", offsetof(CPUState, fpr[12]) },
2807 { "f13", offsetof(CPUState, fpr[13]) },
2808 { "f14", offsetof(CPUState, fpr[14]) },
2809 { "f15", offsetof(CPUState, fpr[15]) },
2810 { "f16", offsetof(CPUState, fpr[16]) },
2811 { "f17", offsetof(CPUState, fpr[17]) },
2812 { "f18", offsetof(CPUState, fpr[18]) },
2813 { "f19", offsetof(CPUState, fpr[19]) },
2814 { "f20", offsetof(CPUState, fpr[20]) },
2815 { "f21", offsetof(CPUState, fpr[21]) },
2816 { "f22", offsetof(CPUState, fpr[22]) },
2817 { "f23", offsetof(CPUState, fpr[23]) },
2818 { "f24", offsetof(CPUState, fpr[24]) },
2819 { "f25", offsetof(CPUState, fpr[25]) },
2820 { "f26", offsetof(CPUState, fpr[26]) },
2821 { "f27", offsetof(CPUState, fpr[27]) },
2822 { "f28", offsetof(CPUState, fpr[28]) },
2823 { "f29", offsetof(CPUState, fpr[29]) },
2824 { "f30", offsetof(CPUState, fpr[30]) },
2825 { "f31", offsetof(CPUState, fpr[31]) },
2826 { "fpscr", offsetof(CPUState, fpscr) },
2827 /* Next instruction pointer */
2828 { "nip|pc", offsetof(CPUState, nip) },
2829 { "lr", offsetof(CPUState, lr) },
2830 { "ctr", offsetof(CPUState, ctr) },
2831 { "decr", 0, &monitor_get_decr, },
2832 { "ccr", 0, &monitor_get_ccr, },
2833 /* Machine state register */
2834 { "msr", 0, &monitor_get_msr, },
2835 { "xer", 0, &monitor_get_xer, },
2836 { "tbu", 0, &monitor_get_tbu, },
2837 { "tbl", 0, &monitor_get_tbl, },
2838 #if defined(TARGET_PPC64)
2839 /* Address space register */
2840 { "asr", offsetof(CPUState, asr) },
2841 #endif
2842 /* Segment registers */
2843 { "sdr1", offsetof(CPUState, sdr1) },
2844 { "sr0", offsetof(CPUState, sr[0]) },
2845 { "sr1", offsetof(CPUState, sr[1]) },
2846 { "sr2", offsetof(CPUState, sr[2]) },
2847 { "sr3", offsetof(CPUState, sr[3]) },
2848 { "sr4", offsetof(CPUState, sr[4]) },
2849 { "sr5", offsetof(CPUState, sr[5]) },
2850 { "sr6", offsetof(CPUState, sr[6]) },
2851 { "sr7", offsetof(CPUState, sr[7]) },
2852 { "sr8", offsetof(CPUState, sr[8]) },
2853 { "sr9", offsetof(CPUState, sr[9]) },
2854 { "sr10", offsetof(CPUState, sr[10]) },
2855 { "sr11", offsetof(CPUState, sr[11]) },
2856 { "sr12", offsetof(CPUState, sr[12]) },
2857 { "sr13", offsetof(CPUState, sr[13]) },
2858 { "sr14", offsetof(CPUState, sr[14]) },
2859 { "sr15", offsetof(CPUState, sr[15]) },
2860 /* Too lazy to put BATs and SPRs ... */
2861 #elif defined(TARGET_SPARC)
2862 { "g0", offsetof(CPUState, gregs[0]) },
2863 { "g1", offsetof(CPUState, gregs[1]) },
2864 { "g2", offsetof(CPUState, gregs[2]) },
2865 { "g3", offsetof(CPUState, gregs[3]) },
2866 { "g4", offsetof(CPUState, gregs[4]) },
2867 { "g5", offsetof(CPUState, gregs[5]) },
2868 { "g6", offsetof(CPUState, gregs[6]) },
2869 { "g7", offsetof(CPUState, gregs[7]) },
2870 { "o0", 0, monitor_get_reg },
2871 { "o1", 1, monitor_get_reg },
2872 { "o2", 2, monitor_get_reg },
2873 { "o3", 3, monitor_get_reg },
2874 { "o4", 4, monitor_get_reg },
2875 { "o5", 5, monitor_get_reg },
2876 { "o6", 6, monitor_get_reg },
2877 { "o7", 7, monitor_get_reg },
2878 { "l0", 8, monitor_get_reg },
2879 { "l1", 9, monitor_get_reg },
2880 { "l2", 10, monitor_get_reg },
2881 { "l3", 11, monitor_get_reg },
2882 { "l4", 12, monitor_get_reg },
2883 { "l5", 13, monitor_get_reg },
2884 { "l6", 14, monitor_get_reg },
2885 { "l7", 15, monitor_get_reg },
2886 { "i0", 16, monitor_get_reg },
2887 { "i1", 17, monitor_get_reg },
2888 { "i2", 18, monitor_get_reg },
2889 { "i3", 19, monitor_get_reg },
2890 { "i4", 20, monitor_get_reg },
2891 { "i5", 21, monitor_get_reg },
2892 { "i6", 22, monitor_get_reg },
2893 { "i7", 23, monitor_get_reg },
2894 { "pc", offsetof(CPUState, pc) },
2895 { "npc", offsetof(CPUState, npc) },
2896 { "y", offsetof(CPUState, y) },
2897 #ifndef TARGET_SPARC64
2898 { "psr", 0, &monitor_get_psr, },
2899 { "wim", offsetof(CPUState, wim) },
2900 #endif
2901 { "tbr", offsetof(CPUState, tbr) },
2902 { "fsr", offsetof(CPUState, fsr) },
2903 { "f0", offsetof(CPUState, fpr[0]) },
2904 { "f1", offsetof(CPUState, fpr[1]) },
2905 { "f2", offsetof(CPUState, fpr[2]) },
2906 { "f3", offsetof(CPUState, fpr[3]) },
2907 { "f4", offsetof(CPUState, fpr[4]) },
2908 { "f5", offsetof(CPUState, fpr[5]) },
2909 { "f6", offsetof(CPUState, fpr[6]) },
2910 { "f7", offsetof(CPUState, fpr[7]) },
2911 { "f8", offsetof(CPUState, fpr[8]) },
2912 { "f9", offsetof(CPUState, fpr[9]) },
2913 { "f10", offsetof(CPUState, fpr[10]) },
2914 { "f11", offsetof(CPUState, fpr[11]) },
2915 { "f12", offsetof(CPUState, fpr[12]) },
2916 { "f13", offsetof(CPUState, fpr[13]) },
2917 { "f14", offsetof(CPUState, fpr[14]) },
2918 { "f15", offsetof(CPUState, fpr[15]) },
2919 { "f16", offsetof(CPUState, fpr[16]) },
2920 { "f17", offsetof(CPUState, fpr[17]) },
2921 { "f18", offsetof(CPUState, fpr[18]) },
2922 { "f19", offsetof(CPUState, fpr[19]) },
2923 { "f20", offsetof(CPUState, fpr[20]) },
2924 { "f21", offsetof(CPUState, fpr[21]) },
2925 { "f22", offsetof(CPUState, fpr[22]) },
2926 { "f23", offsetof(CPUState, fpr[23]) },
2927 { "f24", offsetof(CPUState, fpr[24]) },
2928 { "f25", offsetof(CPUState, fpr[25]) },
2929 { "f26", offsetof(CPUState, fpr[26]) },
2930 { "f27", offsetof(CPUState, fpr[27]) },
2931 { "f28", offsetof(CPUState, fpr[28]) },
2932 { "f29", offsetof(CPUState, fpr[29]) },
2933 { "f30", offsetof(CPUState, fpr[30]) },
2934 { "f31", offsetof(CPUState, fpr[31]) },
2935 #ifdef TARGET_SPARC64
2936 { "f32", offsetof(CPUState, fpr[32]) },
2937 { "f34", offsetof(CPUState, fpr[34]) },
2938 { "f36", offsetof(CPUState, fpr[36]) },
2939 { "f38", offsetof(CPUState, fpr[38]) },
2940 { "f40", offsetof(CPUState, fpr[40]) },
2941 { "f42", offsetof(CPUState, fpr[42]) },
2942 { "f44", offsetof(CPUState, fpr[44]) },
2943 { "f46", offsetof(CPUState, fpr[46]) },
2944 { "f48", offsetof(CPUState, fpr[48]) },
2945 { "f50", offsetof(CPUState, fpr[50]) },
2946 { "f52", offsetof(CPUState, fpr[52]) },
2947 { "f54", offsetof(CPUState, fpr[54]) },
2948 { "f56", offsetof(CPUState, fpr[56]) },
2949 { "f58", offsetof(CPUState, fpr[58]) },
2950 { "f60", offsetof(CPUState, fpr[60]) },
2951 { "f62", offsetof(CPUState, fpr[62]) },
2952 { "asi", offsetof(CPUState, asi) },
2953 { "pstate", offsetof(CPUState, pstate) },
2954 { "cansave", offsetof(CPUState, cansave) },
2955 { "canrestore", offsetof(CPUState, canrestore) },
2956 { "otherwin", offsetof(CPUState, otherwin) },
2957 { "wstate", offsetof(CPUState, wstate) },
2958 { "cleanwin", offsetof(CPUState, cleanwin) },
2959 { "fprs", offsetof(CPUState, fprs) },
2960 #endif
2961 #endif
2962 { NULL },
2965 static void expr_error(Monitor *mon, const char *msg)
2967 monitor_printf(mon, "%s\n", msg);
2968 longjmp(expr_env, 1);
2971 /* return 0 if OK, -1 if not found */
2972 static int get_monitor_def(target_long *pval, const char *name)
2974 const MonitorDef *md;
2975 void *ptr;
2977 for(md = monitor_defs; md->name != NULL; md++) {
2978 if (compare_cmd(name, md->name)) {
2979 if (md->get_value) {
2980 *pval = md->get_value(md, md->offset);
2981 } else {
2982 CPUState *env = mon_get_cpu();
2983 ptr = (uint8_t *)env + md->offset;
2984 switch(md->type) {
2985 case MD_I32:
2986 *pval = *(int32_t *)ptr;
2987 break;
2988 case MD_TLONG:
2989 *pval = *(target_long *)ptr;
2990 break;
2991 default:
2992 *pval = 0;
2993 break;
2996 return 0;
2999 return -1;
3002 static void next(void)
3004 if (*pch != '\0') {
3005 pch++;
3006 while (qemu_isspace(*pch))
3007 pch++;
3011 static int64_t expr_sum(Monitor *mon);
3013 static int64_t expr_unary(Monitor *mon)
3015 int64_t n;
3016 char *p;
3017 int ret;
3019 switch(*pch) {
3020 case '+':
3021 next();
3022 n = expr_unary(mon);
3023 break;
3024 case '-':
3025 next();
3026 n = -expr_unary(mon);
3027 break;
3028 case '~':
3029 next();
3030 n = ~expr_unary(mon);
3031 break;
3032 case '(':
3033 next();
3034 n = expr_sum(mon);
3035 if (*pch != ')') {
3036 expr_error(mon, "')' expected");
3038 next();
3039 break;
3040 case '\'':
3041 pch++;
3042 if (*pch == '\0')
3043 expr_error(mon, "character constant expected");
3044 n = *pch;
3045 pch++;
3046 if (*pch != '\'')
3047 expr_error(mon, "missing terminating \' character");
3048 next();
3049 break;
3050 case '$':
3052 char buf[128], *q;
3053 target_long reg=0;
3055 pch++;
3056 q = buf;
3057 while ((*pch >= 'a' && *pch <= 'z') ||
3058 (*pch >= 'A' && *pch <= 'Z') ||
3059 (*pch >= '0' && *pch <= '9') ||
3060 *pch == '_' || *pch == '.') {
3061 if ((q - buf) < sizeof(buf) - 1)
3062 *q++ = *pch;
3063 pch++;
3065 while (qemu_isspace(*pch))
3066 pch++;
3067 *q = 0;
3068 ret = get_monitor_def(&reg, buf);
3069 if (ret < 0)
3070 expr_error(mon, "unknown register");
3071 n = reg;
3073 break;
3074 case '\0':
3075 expr_error(mon, "unexpected end of expression");
3076 n = 0;
3077 break;
3078 default:
3079 #if TARGET_PHYS_ADDR_BITS > 32
3080 n = strtoull(pch, &p, 0);
3081 #else
3082 n = strtoul(pch, &p, 0);
3083 #endif
3084 if (pch == p) {
3085 expr_error(mon, "invalid char in expression");
3087 pch = p;
3088 while (qemu_isspace(*pch))
3089 pch++;
3090 break;
3092 return n;
3096 static int64_t expr_prod(Monitor *mon)
3098 int64_t val, val2;
3099 int op;
3101 val = expr_unary(mon);
3102 for(;;) {
3103 op = *pch;
3104 if (op != '*' && op != '/' && op != '%')
3105 break;
3106 next();
3107 val2 = expr_unary(mon);
3108 switch(op) {
3109 default:
3110 case '*':
3111 val *= val2;
3112 break;
3113 case '/':
3114 case '%':
3115 if (val2 == 0)
3116 expr_error(mon, "division by zero");
3117 if (op == '/')
3118 val /= val2;
3119 else
3120 val %= val2;
3121 break;
3124 return val;
3127 static int64_t expr_logic(Monitor *mon)
3129 int64_t val, val2;
3130 int op;
3132 val = expr_prod(mon);
3133 for(;;) {
3134 op = *pch;
3135 if (op != '&' && op != '|' && op != '^')
3136 break;
3137 next();
3138 val2 = expr_prod(mon);
3139 switch(op) {
3140 default:
3141 case '&':
3142 val &= val2;
3143 break;
3144 case '|':
3145 val |= val2;
3146 break;
3147 case '^':
3148 val ^= val2;
3149 break;
3152 return val;
3155 static int64_t expr_sum(Monitor *mon)
3157 int64_t val, val2;
3158 int op;
3160 val = expr_logic(mon);
3161 for(;;) {
3162 op = *pch;
3163 if (op != '+' && op != '-')
3164 break;
3165 next();
3166 val2 = expr_logic(mon);
3167 if (op == '+')
3168 val += val2;
3169 else
3170 val -= val2;
3172 return val;
3175 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3177 pch = *pp;
3178 if (setjmp(expr_env)) {
3179 *pp = pch;
3180 return -1;
3182 while (qemu_isspace(*pch))
3183 pch++;
3184 *pval = expr_sum(mon);
3185 *pp = pch;
3186 return 0;
3189 static int get_str(char *buf, int buf_size, const char **pp)
3191 const char *p;
3192 char *q;
3193 int c;
3195 q = buf;
3196 p = *pp;
3197 while (qemu_isspace(*p))
3198 p++;
3199 if (*p == '\0') {
3200 fail:
3201 *q = '\0';
3202 *pp = p;
3203 return -1;
3205 if (*p == '\"') {
3206 p++;
3207 while (*p != '\0' && *p != '\"') {
3208 if (*p == '\\') {
3209 p++;
3210 c = *p++;
3211 switch(c) {
3212 case 'n':
3213 c = '\n';
3214 break;
3215 case 'r':
3216 c = '\r';
3217 break;
3218 case '\\':
3219 case '\'':
3220 case '\"':
3221 break;
3222 default:
3223 qemu_printf("unsupported escape code: '\\%c'\n", c);
3224 goto fail;
3226 if ((q - buf) < buf_size - 1) {
3227 *q++ = c;
3229 } else {
3230 if ((q - buf) < buf_size - 1) {
3231 *q++ = *p;
3233 p++;
3236 if (*p != '\"') {
3237 qemu_printf("unterminated string\n");
3238 goto fail;
3240 p++;
3241 } else {
3242 while (*p != '\0' && !qemu_isspace(*p)) {
3243 if ((q - buf) < buf_size - 1) {
3244 *q++ = *p;
3246 p++;
3249 *q = '\0';
3250 *pp = p;
3251 return 0;
3255 * Store the command-name in cmdname, and return a pointer to
3256 * the remaining of the command string.
3258 static const char *get_command_name(const char *cmdline,
3259 char *cmdname, size_t nlen)
3261 size_t len;
3262 const char *p, *pstart;
3264 p = cmdline;
3265 while (qemu_isspace(*p))
3266 p++;
3267 if (*p == '\0')
3268 return NULL;
3269 pstart = p;
3270 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3271 p++;
3272 len = p - pstart;
3273 if (len > nlen - 1)
3274 len = nlen - 1;
3275 memcpy(cmdname, pstart, len);
3276 cmdname[len] = '\0';
3277 return p;
3281 * Read key of 'type' into 'key' and return the current
3282 * 'type' pointer.
3284 static char *key_get_info(const char *type, char **key)
3286 size_t len;
3287 char *p, *str;
3289 if (*type == ',')
3290 type++;
3292 p = strchr(type, ':');
3293 if (!p) {
3294 *key = NULL;
3295 return NULL;
3297 len = p - type;
3299 str = qemu_malloc(len + 1);
3300 memcpy(str, type, len);
3301 str[len] = '\0';
3303 *key = str;
3304 return ++p;
3307 static int default_fmt_format = 'x';
3308 static int default_fmt_size = 4;
3310 #define MAX_ARGS 16
3312 static int is_valid_option(const char *c, const char *typestr)
3314 char option[3];
3316 option[0] = '-';
3317 option[1] = *c;
3318 option[2] = '\0';
3320 typestr = strstr(typestr, option);
3321 return (typestr != NULL);
3324 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3326 const mon_cmd_t *cmd;
3328 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3329 if (compare_cmd(cmdname, cmd->name)) {
3330 return cmd;
3334 return NULL;
3337 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3338 const char *cmdline,
3339 QDict *qdict)
3341 const char *p, *typestr;
3342 int c;
3343 const mon_cmd_t *cmd;
3344 char cmdname[256];
3345 char buf[1024];
3346 char *key;
3348 #ifdef DEBUG
3349 monitor_printf(mon, "command='%s'\n", cmdline);
3350 #endif
3352 /* extract the command name */
3353 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3354 if (!p)
3355 return NULL;
3357 cmd = monitor_find_command(cmdname);
3358 if (!cmd) {
3359 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3360 return NULL;
3363 /* parse the parameters */
3364 typestr = cmd->args_type;
3365 for(;;) {
3366 typestr = key_get_info(typestr, &key);
3367 if (!typestr)
3368 break;
3369 c = *typestr;
3370 typestr++;
3371 switch(c) {
3372 case 'F':
3373 case 'B':
3374 case 's':
3376 int ret;
3378 while (qemu_isspace(*p))
3379 p++;
3380 if (*typestr == '?') {
3381 typestr++;
3382 if (*p == '\0') {
3383 /* no optional string: NULL argument */
3384 break;
3387 ret = get_str(buf, sizeof(buf), &p);
3388 if (ret < 0) {
3389 switch(c) {
3390 case 'F':
3391 monitor_printf(mon, "%s: filename expected\n",
3392 cmdname);
3393 break;
3394 case 'B':
3395 monitor_printf(mon, "%s: block device name expected\n",
3396 cmdname);
3397 break;
3398 default:
3399 monitor_printf(mon, "%s: string expected\n", cmdname);
3400 break;
3402 goto fail;
3404 qdict_put(qdict, key, qstring_from_str(buf));
3406 break;
3407 case '/':
3409 int count, format, size;
3411 while (qemu_isspace(*p))
3412 p++;
3413 if (*p == '/') {
3414 /* format found */
3415 p++;
3416 count = 1;
3417 if (qemu_isdigit(*p)) {
3418 count = 0;
3419 while (qemu_isdigit(*p)) {
3420 count = count * 10 + (*p - '0');
3421 p++;
3424 size = -1;
3425 format = -1;
3426 for(;;) {
3427 switch(*p) {
3428 case 'o':
3429 case 'd':
3430 case 'u':
3431 case 'x':
3432 case 'i':
3433 case 'c':
3434 format = *p++;
3435 break;
3436 case 'b':
3437 size = 1;
3438 p++;
3439 break;
3440 case 'h':
3441 size = 2;
3442 p++;
3443 break;
3444 case 'w':
3445 size = 4;
3446 p++;
3447 break;
3448 case 'g':
3449 case 'L':
3450 size = 8;
3451 p++;
3452 break;
3453 default:
3454 goto next;
3457 next:
3458 if (*p != '\0' && !qemu_isspace(*p)) {
3459 monitor_printf(mon, "invalid char in format: '%c'\n",
3460 *p);
3461 goto fail;
3463 if (format < 0)
3464 format = default_fmt_format;
3465 if (format != 'i') {
3466 /* for 'i', not specifying a size gives -1 as size */
3467 if (size < 0)
3468 size = default_fmt_size;
3469 default_fmt_size = size;
3471 default_fmt_format = format;
3472 } else {
3473 count = 1;
3474 format = default_fmt_format;
3475 if (format != 'i') {
3476 size = default_fmt_size;
3477 } else {
3478 size = -1;
3481 qdict_put(qdict, "count", qint_from_int(count));
3482 qdict_put(qdict, "format", qint_from_int(format));
3483 qdict_put(qdict, "size", qint_from_int(size));
3485 break;
3486 case 'i':
3487 case 'l':
3488 case 'M':
3490 int64_t val;
3492 while (qemu_isspace(*p))
3493 p++;
3494 if (*typestr == '?' || *typestr == '.') {
3495 if (*typestr == '?') {
3496 if (*p == '\0') {
3497 typestr++;
3498 break;
3500 } else {
3501 if (*p == '.') {
3502 p++;
3503 while (qemu_isspace(*p))
3504 p++;
3505 } else {
3506 typestr++;
3507 break;
3510 typestr++;
3512 if (get_expr(mon, &val, &p))
3513 goto fail;
3514 /* Check if 'i' is greater than 32-bit */
3515 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3516 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3517 monitor_printf(mon, "integer is for 32-bit values\n");
3518 goto fail;
3519 } else if (c == 'M') {
3520 val <<= 20;
3522 qdict_put(qdict, key, qint_from_int(val));
3524 break;
3525 case '-':
3527 const char *tmp = p;
3528 int has_option, skip_key = 0;
3529 /* option */
3531 c = *typestr++;
3532 if (c == '\0')
3533 goto bad_type;
3534 while (qemu_isspace(*p))
3535 p++;
3536 has_option = 0;
3537 if (*p == '-') {
3538 p++;
3539 if(c != *p) {
3540 if(!is_valid_option(p, typestr)) {
3542 monitor_printf(mon, "%s: unsupported option -%c\n",
3543 cmdname, *p);
3544 goto fail;
3545 } else {
3546 skip_key = 1;
3549 if(skip_key) {
3550 p = tmp;
3551 } else {
3552 p++;
3553 has_option = 1;
3556 qdict_put(qdict, key, qint_from_int(has_option));
3558 break;
3559 default:
3560 bad_type:
3561 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3562 goto fail;
3564 qemu_free(key);
3565 key = NULL;
3567 /* check that all arguments were parsed */
3568 while (qemu_isspace(*p))
3569 p++;
3570 if (*p != '\0') {
3571 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3572 cmdname);
3573 goto fail;
3576 return cmd;
3578 fail:
3579 qemu_free(key);
3580 return NULL;
3583 static void monitor_print_error(Monitor *mon)
3585 qerror_print(mon->error);
3586 QDECREF(mon->error);
3587 mon->error = NULL;
3590 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3591 const QDict *params)
3593 QObject *data = NULL;
3595 cmd->mhandler.cmd_new(mon, params, &data);
3597 if (monitor_ctrl_mode(mon)) {
3598 /* Monitor Protocol */
3599 monitor_protocol_emitter(mon, data);
3600 } else {
3601 /* User Protocol */
3602 if (data)
3603 cmd->user_print(mon, data);
3606 qobject_decref(data);
3609 static void handle_user_command(Monitor *mon, const char *cmdline)
3611 QDict *qdict;
3612 const mon_cmd_t *cmd;
3614 qdict = qdict_new();
3616 cmd = monitor_parse_command(mon, cmdline, qdict);
3617 if (!cmd)
3618 goto out;
3620 qemu_errors_to_mon(mon);
3622 if (monitor_handler_ported(cmd)) {
3623 monitor_call_handler(mon, cmd, qdict);
3624 } else {
3625 cmd->mhandler.cmd(mon, qdict);
3628 if (monitor_has_error(mon))
3629 monitor_print_error(mon);
3631 qemu_errors_to_previous();
3633 out:
3634 QDECREF(qdict);
3637 static void cmd_completion(const char *name, const char *list)
3639 const char *p, *pstart;
3640 char cmd[128];
3641 int len;
3643 p = list;
3644 for(;;) {
3645 pstart = p;
3646 p = strchr(p, '|');
3647 if (!p)
3648 p = pstart + strlen(pstart);
3649 len = p - pstart;
3650 if (len > sizeof(cmd) - 2)
3651 len = sizeof(cmd) - 2;
3652 memcpy(cmd, pstart, len);
3653 cmd[len] = '\0';
3654 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3655 readline_add_completion(cur_mon->rs, cmd);
3657 if (*p == '\0')
3658 break;
3659 p++;
3663 static void file_completion(const char *input)
3665 DIR *ffs;
3666 struct dirent *d;
3667 char path[1024];
3668 char file[1024], file_prefix[1024];
3669 int input_path_len;
3670 const char *p;
3672 p = strrchr(input, '/');
3673 if (!p) {
3674 input_path_len = 0;
3675 pstrcpy(file_prefix, sizeof(file_prefix), input);
3676 pstrcpy(path, sizeof(path), ".");
3677 } else {
3678 input_path_len = p - input + 1;
3679 memcpy(path, input, input_path_len);
3680 if (input_path_len > sizeof(path) - 1)
3681 input_path_len = sizeof(path) - 1;
3682 path[input_path_len] = '\0';
3683 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3685 #ifdef DEBUG_COMPLETION
3686 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3687 input, path, file_prefix);
3688 #endif
3689 ffs = opendir(path);
3690 if (!ffs)
3691 return;
3692 for(;;) {
3693 struct stat sb;
3694 d = readdir(ffs);
3695 if (!d)
3696 break;
3697 if (strstart(d->d_name, file_prefix, NULL)) {
3698 memcpy(file, input, input_path_len);
3699 if (input_path_len < sizeof(file))
3700 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3701 d->d_name);
3702 /* stat the file to find out if it's a directory.
3703 * In that case add a slash to speed up typing long paths
3705 stat(file, &sb);
3706 if(S_ISDIR(sb.st_mode))
3707 pstrcat(file, sizeof(file), "/");
3708 readline_add_completion(cur_mon->rs, file);
3711 closedir(ffs);
3714 static void block_completion_it(void *opaque, BlockDriverState *bs)
3716 const char *name = bdrv_get_device_name(bs);
3717 const char *input = opaque;
3719 if (input[0] == '\0' ||
3720 !strncmp(name, (char *)input, strlen(input))) {
3721 readline_add_completion(cur_mon->rs, name);
3725 /* NOTE: this parser is an approximate form of the real command parser */
3726 static void parse_cmdline(const char *cmdline,
3727 int *pnb_args, char **args)
3729 const char *p;
3730 int nb_args, ret;
3731 char buf[1024];
3733 p = cmdline;
3734 nb_args = 0;
3735 for(;;) {
3736 while (qemu_isspace(*p))
3737 p++;
3738 if (*p == '\0')
3739 break;
3740 if (nb_args >= MAX_ARGS)
3741 break;
3742 ret = get_str(buf, sizeof(buf), &p);
3743 args[nb_args] = qemu_strdup(buf);
3744 nb_args++;
3745 if (ret < 0)
3746 break;
3748 *pnb_args = nb_args;
3751 static const char *next_arg_type(const char *typestr)
3753 const char *p = strchr(typestr, ':');
3754 return (p != NULL ? ++p : typestr);
3757 static void monitor_find_completion(const char *cmdline)
3759 const char *cmdname;
3760 char *args[MAX_ARGS];
3761 int nb_args, i, len;
3762 const char *ptype, *str;
3763 const mon_cmd_t *cmd;
3764 const KeyDef *key;
3766 parse_cmdline(cmdline, &nb_args, args);
3767 #ifdef DEBUG_COMPLETION
3768 for(i = 0; i < nb_args; i++) {
3769 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3771 #endif
3773 /* if the line ends with a space, it means we want to complete the
3774 next arg */
3775 len = strlen(cmdline);
3776 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3777 if (nb_args >= MAX_ARGS)
3778 return;
3779 args[nb_args++] = qemu_strdup("");
3781 if (nb_args <= 1) {
3782 /* command completion */
3783 if (nb_args == 0)
3784 cmdname = "";
3785 else
3786 cmdname = args[0];
3787 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3788 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3789 cmd_completion(cmdname, cmd->name);
3791 } else {
3792 /* find the command */
3793 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3794 if (compare_cmd(args[0], cmd->name))
3795 goto found;
3797 return;
3798 found:
3799 ptype = next_arg_type(cmd->args_type);
3800 for(i = 0; i < nb_args - 2; i++) {
3801 if (*ptype != '\0') {
3802 ptype = next_arg_type(ptype);
3803 while (*ptype == '?')
3804 ptype = next_arg_type(ptype);
3807 str = args[nb_args - 1];
3808 if (*ptype == '-' && ptype[1] != '\0') {
3809 ptype += 2;
3811 switch(*ptype) {
3812 case 'F':
3813 /* file completion */
3814 readline_set_completion_index(cur_mon->rs, strlen(str));
3815 file_completion(str);
3816 break;
3817 case 'B':
3818 /* block device name completion */
3819 readline_set_completion_index(cur_mon->rs, strlen(str));
3820 bdrv_iterate(block_completion_it, (void *)str);
3821 break;
3822 case 's':
3823 /* XXX: more generic ? */
3824 if (!strcmp(cmd->name, "info")) {
3825 readline_set_completion_index(cur_mon->rs, strlen(str));
3826 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3827 cmd_completion(str, cmd->name);
3829 } else if (!strcmp(cmd->name, "sendkey")) {
3830 char *sep = strrchr(str, '-');
3831 if (sep)
3832 str = sep + 1;
3833 readline_set_completion_index(cur_mon->rs, strlen(str));
3834 for(key = key_defs; key->name != NULL; key++) {
3835 cmd_completion(str, key->name);
3837 } else if (!strcmp(cmd->name, "help|?")) {
3838 readline_set_completion_index(cur_mon->rs, strlen(str));
3839 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3840 cmd_completion(str, cmd->name);
3843 break;
3844 default:
3845 break;
3848 for(i = 0; i < nb_args; i++)
3849 qemu_free(args[i]);
3852 static int monitor_can_read(void *opaque)
3854 Monitor *mon = opaque;
3856 return (mon->suspend_cnt == 0) ? 1 : 0;
3859 typedef struct CmdArgs {
3860 QString *name;
3861 int type;
3862 int flag;
3863 int optional;
3864 } CmdArgs;
3866 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3868 if (!cmd_args->optional) {
3869 qemu_error_new(QERR_MISSING_PARAMETER, name);
3870 return -1;
3873 if (cmd_args->type == '-') {
3874 /* handlers expect a value, they need to be changed */
3875 qdict_put(args, name, qint_from_int(0));
3878 return 0;
3881 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3883 QObject *value;
3884 const char *name;
3886 name = qstring_get_str(cmd_args->name);
3888 if (!args) {
3889 return check_opt(cmd_args, name, args);
3892 value = qdict_get(args, name);
3893 if (!value) {
3894 return check_opt(cmd_args, name, args);
3897 switch (cmd_args->type) {
3898 case 'F':
3899 case 'B':
3900 case 's':
3901 if (qobject_type(value) != QTYPE_QSTRING) {
3902 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3903 return -1;
3905 break;
3906 case '/': {
3907 int i;
3908 const char *keys[] = { "count", "format", "size", NULL };
3910 for (i = 0; keys[i]; i++) {
3911 QObject *obj = qdict_get(args, keys[i]);
3912 if (!obj) {
3913 qemu_error_new(QERR_MISSING_PARAMETER, name);
3914 return -1;
3916 if (qobject_type(obj) != QTYPE_QINT) {
3917 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3918 return -1;
3921 break;
3923 case 'i':
3924 case 'l':
3925 case 'M':
3926 if (qobject_type(value) != QTYPE_QINT) {
3927 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3928 return -1;
3930 break;
3931 case '-':
3932 if (qobject_type(value) != QTYPE_QINT &&
3933 qobject_type(value) != QTYPE_QBOOL) {
3934 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3935 return -1;
3937 if (qobject_type(value) == QTYPE_QBOOL) {
3938 /* handlers expect a QInt, they need to be changed */
3939 qdict_put(args, name,
3940 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3942 break;
3943 default:
3944 /* impossible */
3945 abort();
3948 return 0;
3951 static void cmd_args_init(CmdArgs *cmd_args)
3953 cmd_args->name = qstring_new();
3954 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3958 * This is not trivial, we have to parse Monitor command's argument
3959 * type syntax to be able to check the arguments provided by clients.
3961 * In the near future we will be using an array for that and will be
3962 * able to drop all this parsing...
3964 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3966 int err;
3967 const char *p;
3968 CmdArgs cmd_args;
3970 if (cmd->args_type == NULL) {
3971 return (qdict_size(args) == 0 ? 0 : -1);
3974 err = 0;
3975 cmd_args_init(&cmd_args);
3977 for (p = cmd->args_type;; p++) {
3978 if (*p == ':') {
3979 cmd_args.type = *++p;
3980 p++;
3981 if (cmd_args.type == '-') {
3982 cmd_args.flag = *p++;
3983 cmd_args.optional = 1;
3984 } else if (*p == '?') {
3985 cmd_args.optional = 1;
3986 p++;
3989 assert(*p == ',' || *p == '\0');
3990 err = check_arg(&cmd_args, args);
3992 QDECREF(cmd_args.name);
3993 cmd_args_init(&cmd_args);
3995 if (err < 0) {
3996 break;
3998 } else {
3999 qstring_append_chr(cmd_args.name, *p);
4002 if (*p == '\0') {
4003 break;
4007 QDECREF(cmd_args.name);
4008 return err;
4011 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4013 int err;
4014 QObject *obj;
4015 QDict *input, *args;
4016 const mon_cmd_t *cmd;
4017 Monitor *mon = cur_mon;
4018 const char *cmd_name, *info_item;
4020 args = NULL;
4021 qemu_errors_to_mon(mon);
4023 obj = json_parser_parse(tokens, NULL);
4024 if (!obj) {
4025 // FIXME: should be triggered in json_parser_parse()
4026 qemu_error_new(QERR_JSON_PARSING);
4027 goto err_out;
4028 } else if (qobject_type(obj) != QTYPE_QDICT) {
4029 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4030 qobject_decref(obj);
4031 goto err_out;
4034 input = qobject_to_qdict(obj);
4036 mon->mc->id = qdict_get(input, "id");
4037 qobject_incref(mon->mc->id);
4039 obj = qdict_get(input, "execute");
4040 if (!obj) {
4041 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4042 goto err_input;
4043 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4044 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4045 goto err_input;
4048 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4051 * XXX: We need this special case until we get info handlers
4052 * converted into 'query-' commands
4054 if (compare_cmd(cmd_name, "info")) {
4055 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4056 goto err_input;
4057 } else if (strstart(cmd_name, "query-", &info_item)) {
4058 cmd = monitor_find_command("info");
4059 qdict_put_obj(input, "arguments",
4060 qobject_from_jsonf("{ 'item': %s }", info_item));
4061 } else {
4062 cmd = monitor_find_command(cmd_name);
4063 if (!cmd || !monitor_handler_ported(cmd)) {
4064 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4065 goto err_input;
4069 obj = qdict_get(input, "arguments");
4070 if (!obj) {
4071 args = qdict_new();
4072 } else {
4073 args = qobject_to_qdict(obj);
4074 QINCREF(args);
4077 QDECREF(input);
4079 err = monitor_check_qmp_args(cmd, args);
4080 if (err < 0) {
4081 goto err_out;
4084 monitor_call_handler(mon, cmd, args);
4085 goto out;
4087 err_input:
4088 QDECREF(input);
4089 err_out:
4090 monitor_protocol_emitter(mon, NULL);
4091 out:
4092 QDECREF(args);
4093 qemu_errors_to_previous();
4097 * monitor_control_read(): Read and handle QMP input
4099 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4101 Monitor *old_mon = cur_mon;
4103 cur_mon = opaque;
4105 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4107 cur_mon = old_mon;
4110 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4112 Monitor *old_mon = cur_mon;
4113 int i;
4115 cur_mon = opaque;
4117 if (cur_mon->rs) {
4118 for (i = 0; i < size; i++)
4119 readline_handle_byte(cur_mon->rs, buf[i]);
4120 } else {
4121 if (size == 0 || buf[size - 1] != 0)
4122 monitor_printf(cur_mon, "corrupted command\n");
4123 else
4124 handle_user_command(cur_mon, (char *)buf);
4127 cur_mon = old_mon;
4130 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4132 monitor_suspend(mon);
4133 handle_user_command(mon, cmdline);
4134 monitor_resume(mon);
4137 int monitor_suspend(Monitor *mon)
4139 if (!mon->rs)
4140 return -ENOTTY;
4141 mon->suspend_cnt++;
4142 return 0;
4145 void monitor_resume(Monitor *mon)
4147 if (!mon->rs)
4148 return;
4149 if (--mon->suspend_cnt == 0)
4150 readline_show_prompt(mon->rs);
4154 * monitor_control_event(): Print QMP gretting
4156 static void monitor_control_event(void *opaque, int event)
4158 if (event == CHR_EVENT_OPENED) {
4159 QObject *data;
4160 Monitor *mon = opaque;
4162 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4164 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4165 assert(data != NULL);
4167 monitor_json_emitter(mon, data);
4168 qobject_decref(data);
4172 static void monitor_event(void *opaque, int event)
4174 Monitor *mon = opaque;
4176 switch (event) {
4177 case CHR_EVENT_MUX_IN:
4178 mon->mux_out = 0;
4179 if (mon->reset_seen) {
4180 readline_restart(mon->rs);
4181 monitor_resume(mon);
4182 monitor_flush(mon);
4183 } else {
4184 mon->suspend_cnt = 0;
4186 break;
4188 case CHR_EVENT_MUX_OUT:
4189 if (mon->reset_seen) {
4190 if (mon->suspend_cnt == 0) {
4191 monitor_printf(mon, "\n");
4193 monitor_flush(mon);
4194 monitor_suspend(mon);
4195 } else {
4196 mon->suspend_cnt++;
4198 mon->mux_out = 1;
4199 break;
4201 case CHR_EVENT_OPENED:
4202 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4203 "information\n", QEMU_VERSION);
4204 if (!mon->mux_out) {
4205 readline_show_prompt(mon->rs);
4207 mon->reset_seen = 1;
4208 break;
4214 * Local variables:
4215 * c-indent-level: 4
4216 * c-basic-offset: 4
4217 * tab-width: 8
4218 * End:
4221 void monitor_init(CharDriverState *chr, int flags)
4223 static int is_first_init = 1;
4224 Monitor *mon;
4226 if (is_first_init) {
4227 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4228 is_first_init = 0;
4231 mon = qemu_mallocz(sizeof(*mon));
4233 mon->chr = chr;
4234 mon->flags = flags;
4235 if (flags & MONITOR_USE_READLINE) {
4236 mon->rs = readline_init(mon, monitor_find_completion);
4237 monitor_read_command(mon, 0);
4240 if (monitor_ctrl_mode(mon)) {
4241 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4242 /* Control mode requires special handlers */
4243 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4244 monitor_control_event, mon);
4245 } else {
4246 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4247 monitor_event, mon);
4250 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4251 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4252 cur_mon = mon;
4255 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4257 BlockDriverState *bs = opaque;
4258 int ret = 0;
4260 if (bdrv_set_key(bs, password) != 0) {
4261 monitor_printf(mon, "invalid password\n");
4262 ret = -EPERM;
4264 if (mon->password_completion_cb)
4265 mon->password_completion_cb(mon->password_opaque, ret);
4267 monitor_read_command(mon, 1);
4270 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4271 BlockDriverCompletionFunc *completion_cb,
4272 void *opaque)
4274 int err;
4276 if (!bdrv_key_required(bs)) {
4277 if (completion_cb)
4278 completion_cb(opaque, 0);
4279 return;
4282 if (monitor_ctrl_mode(mon)) {
4283 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4284 return;
4287 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4288 bdrv_get_encrypted_filename(bs));
4290 mon->password_completion_cb = completion_cb;
4291 mon->password_opaque = opaque;
4293 err = monitor_read_password(mon, bdrv_password_cb, bs);
4295 if (err && completion_cb)
4296 completion_cb(opaque, err);
4299 typedef struct QemuErrorSink QemuErrorSink;
4300 struct QemuErrorSink {
4301 enum {
4302 ERR_SINK_FILE,
4303 ERR_SINK_MONITOR,
4304 } dest;
4305 union {
4306 FILE *fp;
4307 Monitor *mon;
4309 QemuErrorSink *previous;
4312 static QemuErrorSink *qemu_error_sink;
4314 void qemu_errors_to_file(FILE *fp)
4316 QemuErrorSink *sink;
4318 sink = qemu_mallocz(sizeof(*sink));
4319 sink->dest = ERR_SINK_FILE;
4320 sink->fp = fp;
4321 sink->previous = qemu_error_sink;
4322 qemu_error_sink = sink;
4325 void qemu_errors_to_mon(Monitor *mon)
4327 QemuErrorSink *sink;
4329 sink = qemu_mallocz(sizeof(*sink));
4330 sink->dest = ERR_SINK_MONITOR;
4331 sink->mon = mon;
4332 sink->previous = qemu_error_sink;
4333 qemu_error_sink = sink;
4336 void qemu_errors_to_previous(void)
4338 QemuErrorSink *sink;
4340 assert(qemu_error_sink != NULL);
4341 sink = qemu_error_sink;
4342 qemu_error_sink = sink->previous;
4343 qemu_free(sink);
4346 void qemu_error(const char *fmt, ...)
4348 va_list args;
4350 assert(qemu_error_sink != NULL);
4351 switch (qemu_error_sink->dest) {
4352 case ERR_SINK_FILE:
4353 va_start(args, fmt);
4354 vfprintf(qemu_error_sink->fp, fmt, args);
4355 va_end(args);
4356 break;
4357 case ERR_SINK_MONITOR:
4358 va_start(args, fmt);
4359 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4360 va_end(args);
4361 break;
4365 void qemu_error_internal(const char *file, int linenr, const char *func,
4366 const char *fmt, ...)
4368 va_list va;
4369 QError *qerror;
4371 assert(qemu_error_sink != NULL);
4373 va_start(va, fmt);
4374 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4375 va_end(va);
4377 switch (qemu_error_sink->dest) {
4378 case ERR_SINK_FILE:
4379 qerror_print(qerror);
4380 QDECREF(qerror);
4381 break;
4382 case ERR_SINK_MONITOR:
4383 assert(qemu_error_sink->mon->error == NULL);
4384 qemu_error_sink->mon->error = qerror;
4385 break;