monitor: Convert do_info_status() to QObject
[qemu.git] / monitor.c
blob3d37548d63a7d41761c98f90e888d3d0e6aabcb2
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 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
144 if (show_prompt)
145 readline_show_prompt(mon->rs);
148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
149 void *opaque)
151 if (monitor_ctrl_mode(mon)) {
152 qemu_error_new(QERR_MISSING_PARAMETER, "password");
153 return -EINVAL;
154 } else if (mon->rs) {
155 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
156 /* prompt is printed on return from the command handler */
157 return 0;
158 } else {
159 monitor_printf(mon, "terminal does not support password prompting\n");
160 return -ENOTTY;
164 void monitor_flush(Monitor *mon)
166 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
167 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
168 mon->outbuf_index = 0;
172 /* flush at every end of line or if the buffer is full */
173 static void monitor_puts(Monitor *mon, const char *str)
175 char c;
177 if (!mon)
178 return;
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->mc && !mon->mc->print_enabled) {
196 qemu_error_new(QERR_UNDEFINED_ERROR);
197 } else {
198 char buf[4096];
199 vsnprintf(buf, sizeof(buf), fmt, ap);
200 monitor_puts(mon, buf);
204 void monitor_printf(Monitor *mon, const char *fmt, ...)
206 va_list ap;
207 va_start(ap, fmt);
208 monitor_vprintf(mon, fmt, ap);
209 va_end(ap);
212 void monitor_print_filename(Monitor *mon, const char *filename)
214 int i;
216 for (i = 0; filename[i]; i++) {
217 switch (filename[i]) {
218 case ' ':
219 case '"':
220 case '\\':
221 monitor_printf(mon, "\\%c", filename[i]);
222 break;
223 case '\t':
224 monitor_printf(mon, "\\t");
225 break;
226 case '\r':
227 monitor_printf(mon, "\\r");
228 break;
229 case '\n':
230 monitor_printf(mon, "\\n");
231 break;
232 default:
233 monitor_printf(mon, "%c", filename[i]);
234 break;
239 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
241 va_list ap;
242 va_start(ap, fmt);
243 monitor_vprintf((Monitor *)stream, fmt, ap);
244 va_end(ap);
245 return 0;
248 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
250 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
252 return cmd->user_print != NULL;
255 static inline int monitor_has_error(const Monitor *mon)
257 return mon->error != NULL;
260 static void monitor_json_emitter(Monitor *mon, const QObject *data)
262 QString *json;
264 json = qobject_to_json(data);
265 assert(json != NULL);
267 mon->mc->print_enabled = 1;
268 monitor_printf(mon, "%s\n", qstring_get_str(json));
269 mon->mc->print_enabled = 0;
271 QDECREF(json);
274 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
276 QDict *qmp;
278 qmp = qdict_new();
280 if (!monitor_has_error(mon)) {
281 /* success response */
282 if (data) {
283 qobject_incref(data);
284 qdict_put_obj(qmp, "return", data);
285 } else {
286 qdict_put(qmp, "return", qstring_from_str("OK"));
288 } else {
289 /* error response */
290 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
291 qdict_put(qmp, "error", mon->error->error);
292 QINCREF(mon->error->error);
293 QDECREF(mon->error);
294 mon->error = NULL;
297 if (mon->mc->id) {
298 qdict_put_obj(qmp, "id", mon->mc->id);
299 mon->mc->id = NULL;
302 monitor_json_emitter(mon, QOBJECT(qmp));
303 QDECREF(qmp);
306 static void timestamp_put(QDict *qdict)
308 int err;
309 QObject *obj;
310 qemu_timeval tv;
312 err = qemu_gettimeofday(&tv);
313 if (err < 0)
314 return;
316 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
317 "'microseconds': %" PRId64 " }",
318 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
319 assert(obj != NULL);
321 qdict_put_obj(qdict, "timestamp", obj);
325 * monitor_protocol_event(): Generate a Monitor event
327 * Event-specific data can be emitted through the (optional) 'data' parameter.
329 void monitor_protocol_event(MonitorEvent event, QObject *data)
331 QDict *qmp;
332 const char *event_name;
333 Monitor *mon = cur_mon;
335 assert(event < QEVENT_MAX);
337 if (!monitor_ctrl_mode(mon))
338 return;
340 switch (event) {
341 case QEVENT_DEBUG:
342 event_name = "DEBUG";
343 break;
344 case QEVENT_SHUTDOWN:
345 event_name = "SHUTDOWN";
346 break;
347 case QEVENT_RESET:
348 event_name = "RESET";
349 break;
350 case QEVENT_POWERDOWN:
351 event_name = "POWERDOWN";
352 break;
353 case QEVENT_STOP:
354 event_name = "STOP";
355 break;
356 default:
357 abort();
358 break;
361 qmp = qdict_new();
362 timestamp_put(qmp);
363 qdict_put(qmp, "event", qstring_from_str(event_name));
364 if (data)
365 qdict_put_obj(qmp, "data", data);
367 monitor_json_emitter(mon, QOBJECT(qmp));
368 QDECREF(qmp);
371 static int compare_cmd(const char *name, const char *list)
373 const char *p, *pstart;
374 int len;
375 len = strlen(name);
376 p = list;
377 for(;;) {
378 pstart = p;
379 p = strchr(p, '|');
380 if (!p)
381 p = pstart + strlen(pstart);
382 if ((p - pstart) == len && !memcmp(pstart, name, len))
383 return 1;
384 if (*p == '\0')
385 break;
386 p++;
388 return 0;
391 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
392 const char *prefix, const char *name)
394 const mon_cmd_t *cmd;
396 for(cmd = cmds; cmd->name != NULL; cmd++) {
397 if (!name || !strcmp(name, cmd->name))
398 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
399 cmd->params, cmd->help);
403 static void help_cmd(Monitor *mon, const char *name)
405 if (name && !strcmp(name, "info")) {
406 help_cmd_dump(mon, info_cmds, "info ", NULL);
407 } else {
408 help_cmd_dump(mon, mon_cmds, "", name);
409 if (name && !strcmp(name, "log")) {
410 const CPULogItem *item;
411 monitor_printf(mon, "Log items (comma separated):\n");
412 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
413 for(item = cpu_log_items; item->mask != 0; item++) {
414 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
420 static void do_help_cmd(Monitor *mon, const QDict *qdict)
422 help_cmd(mon, qdict_get_try_str(qdict, "name"));
425 static void do_commit(Monitor *mon, const QDict *qdict)
427 int all_devices;
428 DriveInfo *dinfo;
429 const char *device = qdict_get_str(qdict, "device");
431 all_devices = !strcmp(device, "all");
432 QTAILQ_FOREACH(dinfo, &drives, next) {
433 if (!all_devices)
434 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
435 continue;
436 bdrv_commit(dinfo->bdrv);
440 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
442 const mon_cmd_t *cmd;
443 const char *item = qdict_get_try_str(qdict, "item");
445 if (!item) {
446 assert(monitor_ctrl_mode(mon) == 0);
447 goto help;
450 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
451 if (compare_cmd(item, cmd->name))
452 break;
455 if (cmd->name == NULL) {
456 if (monitor_ctrl_mode(mon)) {
457 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
458 return;
460 goto help;
463 if (monitor_handler_ported(cmd)) {
464 cmd->mhandler.info_new(mon, ret_data);
466 if (!monitor_ctrl_mode(mon)) {
468 * User Protocol function is called here, Monitor Protocol is
469 * handled by monitor_call_handler()
471 if (*ret_data)
472 cmd->user_print(mon, *ret_data);
474 } else {
475 if (monitor_ctrl_mode(mon)) {
476 /* handler not converted yet */
477 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
478 } else {
479 cmd->mhandler.info(mon);
483 return;
485 help:
486 help_cmd(mon, "info");
489 static void do_info_version_print(Monitor *mon, const QObject *data)
491 QDict *qdict;
493 qdict = qobject_to_qdict(data);
495 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
496 qdict_get_str(qdict, "package"));
500 * do_info_version(): Show QEMU version
502 * Return a QDict with the following information:
504 * - "qemu": QEMU's version
505 * - "package": package's version
507 * Example:
509 * { "qemu": "0.11.50", "package": "" }
511 static void do_info_version(Monitor *mon, QObject **ret_data)
513 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
514 QEMU_VERSION, QEMU_PKGVERSION);
517 static void do_info_name(Monitor *mon)
519 if (qemu_name)
520 monitor_printf(mon, "%s\n", qemu_name);
523 static QObject *get_cmd_dict(const char *name)
525 const char *p;
527 /* Remove '|' from some commands */
528 p = strchr(name, '|');
529 if (p) {
530 p++;
531 } else {
532 p = name;
535 return qobject_from_jsonf("{ 'name': %s }", p);
539 * do_info_commands(): List QMP available commands
541 * Each command is represented by a QDict, the returned QObject is a QList
542 * of all commands.
544 * The QDict contains:
546 * - "name": command's name
548 * Example:
550 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
552 static void do_info_commands(Monitor *mon, QObject **ret_data)
554 QList *cmd_list;
555 const mon_cmd_t *cmd;
557 cmd_list = qlist_new();
559 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
560 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
561 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
565 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
566 if (monitor_handler_ported(cmd)) {
567 char buf[128];
568 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
569 qlist_append_obj(cmd_list, get_cmd_dict(buf));
573 *ret_data = QOBJECT(cmd_list);
576 #if defined(TARGET_I386)
577 static void do_info_hpet(Monitor *mon)
579 monitor_printf(mon, "HPET is %s by QEMU\n",
580 (no_hpet) ? "disabled" : "enabled");
582 #endif
584 static void do_info_uuid(Monitor *mon)
586 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
587 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
588 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
589 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
590 qemu_uuid[14], qemu_uuid[15]);
593 /* get the current CPU defined by the user */
594 static int mon_set_cpu(int cpu_index)
596 CPUState *env;
598 for(env = first_cpu; env != NULL; env = env->next_cpu) {
599 if (env->cpu_index == cpu_index) {
600 cur_mon->mon_cpu = env;
601 return 0;
604 return -1;
607 static CPUState *mon_get_cpu(void)
609 if (!cur_mon->mon_cpu) {
610 mon_set_cpu(0);
612 cpu_synchronize_state(cur_mon->mon_cpu);
613 return cur_mon->mon_cpu;
616 static void do_info_registers(Monitor *mon)
618 CPUState *env;
619 env = mon_get_cpu();
620 if (!env)
621 return;
622 #ifdef TARGET_I386
623 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
624 X86_DUMP_FPU);
625 #else
626 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
628 #endif
631 static void print_cpu_iter(QObject *obj, void *opaque)
633 QDict *cpu;
634 int active = ' ';
635 Monitor *mon = opaque;
637 assert(qobject_type(obj) == QTYPE_QDICT);
638 cpu = qobject_to_qdict(obj);
640 if (qdict_get_bool(cpu, "current")) {
641 active = '*';
644 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
646 #if defined(TARGET_I386)
647 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
648 (target_ulong) qdict_get_int(cpu, "pc"));
649 #elif defined(TARGET_PPC)
650 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
651 (target_long) qdict_get_int(cpu, "nip"));
652 #elif defined(TARGET_SPARC)
653 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
654 (target_long) qdict_get_int(cpu, "pc"));
655 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
656 (target_long) qdict_get_int(cpu, "npc"));
657 #elif defined(TARGET_MIPS)
658 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
659 (target_long) qdict_get_int(cpu, "PC"));
660 #endif
662 if (qdict_get_bool(cpu, "halted")) {
663 monitor_printf(mon, " (halted)");
666 monitor_printf(mon, "\n");
669 static void monitor_print_cpus(Monitor *mon, const QObject *data)
671 QList *cpu_list;
673 assert(qobject_type(data) == QTYPE_QLIST);
674 cpu_list = qobject_to_qlist(data);
675 qlist_iter(cpu_list, print_cpu_iter, mon);
679 * do_info_cpus(): Show CPU information
681 * Return a QList. Each CPU is represented by a QDict, which contains:
683 * - "cpu": CPU index
684 * - "current": true if this is the current CPU, false otherwise
685 * - "halted": true if the cpu is halted, false otherwise
686 * - Current program counter. The key's name depends on the architecture:
687 * "pc": i386/x86)64
688 * "nip": PPC
689 * "pc" and "npc": sparc
690 * "PC": mips
692 * Example:
694 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
695 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
697 static void do_info_cpus(Monitor *mon, QObject **ret_data)
699 CPUState *env;
700 QList *cpu_list;
702 cpu_list = qlist_new();
704 /* just to set the default cpu if not already done */
705 mon_get_cpu();
707 for(env = first_cpu; env != NULL; env = env->next_cpu) {
708 QDict *cpu;
709 QObject *obj;
711 cpu_synchronize_state(env);
713 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
714 env->cpu_index, env == mon->mon_cpu,
715 env->halted);
716 assert(obj != NULL);
718 cpu = qobject_to_qdict(obj);
720 #if defined(TARGET_I386)
721 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
722 #elif defined(TARGET_PPC)
723 qdict_put(cpu, "nip", qint_from_int(env->nip));
724 #elif defined(TARGET_SPARC)
725 qdict_put(cpu, "pc", qint_from_int(env->pc));
726 qdict_put(cpu, "npc", qint_from_int(env->npc));
727 #elif defined(TARGET_MIPS)
728 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
729 #endif
731 qlist_append(cpu_list, cpu);
734 *ret_data = QOBJECT(cpu_list);
737 static void do_cpu_set(Monitor *mon, const QDict *qdict)
739 int index = qdict_get_int(qdict, "index");
740 if (mon_set_cpu(index) < 0)
741 monitor_printf(mon, "Invalid CPU index\n");
744 static void do_info_jit(Monitor *mon)
746 dump_exec_info((FILE *)mon, monitor_fprintf);
749 static void do_info_history(Monitor *mon)
751 int i;
752 const char *str;
754 if (!mon->rs)
755 return;
756 i = 0;
757 for(;;) {
758 str = readline_get_history(mon->rs, i);
759 if (!str)
760 break;
761 monitor_printf(mon, "%d: '%s'\n", i, str);
762 i++;
766 #if defined(TARGET_PPC)
767 /* XXX: not implemented in other targets */
768 static void do_info_cpu_stats(Monitor *mon)
770 CPUState *env;
772 env = mon_get_cpu();
773 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
775 #endif
778 * do_quit(): Quit QEMU execution
780 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
782 exit(0);
785 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
787 if (bdrv_is_inserted(bs)) {
788 if (!force) {
789 if (!bdrv_is_removable(bs)) {
790 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
791 bdrv_get_device_name(bs));
792 return -1;
794 if (bdrv_is_locked(bs)) {
795 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
796 return -1;
799 bdrv_close(bs);
801 return 0;
804 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
806 BlockDriverState *bs;
807 int force = qdict_get_int(qdict, "force");
808 const char *filename = qdict_get_str(qdict, "filename");
810 bs = bdrv_find(filename);
811 if (!bs) {
812 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
813 return;
815 eject_device(mon, bs, force);
818 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
819 QObject **ret_data)
821 BlockDriverState *bs;
823 bs = bdrv_find(qdict_get_str(qdict, "device"));
824 if (!bs) {
825 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
826 return;
829 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
830 qemu_error_new(QERR_INVALID_PASSWORD);
834 static void do_change_block(Monitor *mon, const char *device,
835 const char *filename, const char *fmt)
837 BlockDriverState *bs;
838 BlockDriver *drv = NULL;
840 bs = bdrv_find(device);
841 if (!bs) {
842 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
843 return;
845 if (fmt) {
846 drv = bdrv_find_whitelisted_format(fmt);
847 if (!drv) {
848 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
849 return;
852 if (eject_device(mon, bs, 0) < 0)
853 return;
854 bdrv_open2(bs, filename, 0, drv);
855 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
858 static void change_vnc_password(const char *password)
860 if (vnc_display_password(NULL, password) < 0)
861 qemu_error_new(QERR_SET_PASSWD_FAILED);
865 static void change_vnc_password_cb(Monitor *mon, const char *password,
866 void *opaque)
868 change_vnc_password(password);
869 monitor_read_command(mon, 1);
872 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
874 if (strcmp(target, "passwd") == 0 ||
875 strcmp(target, "password") == 0) {
876 if (arg) {
877 char password[9];
878 strncpy(password, arg, sizeof(password));
879 password[sizeof(password) - 1] = '\0';
880 change_vnc_password(password);
881 } else {
882 monitor_read_password(mon, change_vnc_password_cb, NULL);
884 } else {
885 if (vnc_display_open(NULL, target) < 0)
886 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
891 * do_change(): Change a removable medium, or VNC configuration
893 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
895 const char *device = qdict_get_str(qdict, "device");
896 const char *target = qdict_get_str(qdict, "target");
897 const char *arg = qdict_get_try_str(qdict, "arg");
898 if (strcmp(device, "vnc") == 0) {
899 do_change_vnc(mon, target, arg);
900 } else {
901 do_change_block(mon, device, target, arg);
905 static void do_screen_dump(Monitor *mon, const QDict *qdict)
907 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
910 static void do_logfile(Monitor *mon, const QDict *qdict)
912 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
915 static void do_log(Monitor *mon, const QDict *qdict)
917 int mask;
918 const char *items = qdict_get_str(qdict, "items");
920 if (!strcmp(items, "none")) {
921 mask = 0;
922 } else {
923 mask = cpu_str_to_log_mask(items);
924 if (!mask) {
925 help_cmd(mon, "log");
926 return;
929 cpu_set_log(mask);
932 static void do_singlestep(Monitor *mon, const QDict *qdict)
934 const char *option = qdict_get_try_str(qdict, "option");
935 if (!option || !strcmp(option, "on")) {
936 singlestep = 1;
937 } else if (!strcmp(option, "off")) {
938 singlestep = 0;
939 } else {
940 monitor_printf(mon, "unexpected option %s\n", option);
945 * do_stop(): Stop VM execution
947 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
949 vm_stop(EXCP_INTERRUPT);
952 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
954 struct bdrv_iterate_context {
955 Monitor *mon;
956 int err;
960 * do_cont(): Resume emulation.
962 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
964 struct bdrv_iterate_context context = { mon, 0 };
966 bdrv_iterate(encrypted_bdrv_it, &context);
967 /* only resume the vm if all keys are set and valid */
968 if (!context.err)
969 vm_start();
972 static void bdrv_key_cb(void *opaque, int err)
974 Monitor *mon = opaque;
976 /* another key was set successfully, retry to continue */
977 if (!err)
978 do_cont(mon, NULL, NULL);
981 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
983 struct bdrv_iterate_context *context = opaque;
985 if (!context->err && bdrv_key_required(bs)) {
986 context->err = -EBUSY;
987 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
988 context->mon);
992 static void do_gdbserver(Monitor *mon, const QDict *qdict)
994 const char *device = qdict_get_try_str(qdict, "device");
995 if (!device)
996 device = "tcp::" DEFAULT_GDBSTUB_PORT;
997 if (gdbserver_start(device) < 0) {
998 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
999 device);
1000 } else if (strcmp(device, "none") == 0) {
1001 monitor_printf(mon, "Disabled gdbserver\n");
1002 } else {
1003 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1004 device);
1008 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1010 const char *action = qdict_get_str(qdict, "action");
1011 if (select_watchdog_action(action) == -1) {
1012 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1016 static void monitor_printc(Monitor *mon, int c)
1018 monitor_printf(mon, "'");
1019 switch(c) {
1020 case '\'':
1021 monitor_printf(mon, "\\'");
1022 break;
1023 case '\\':
1024 monitor_printf(mon, "\\\\");
1025 break;
1026 case '\n':
1027 monitor_printf(mon, "\\n");
1028 break;
1029 case '\r':
1030 monitor_printf(mon, "\\r");
1031 break;
1032 default:
1033 if (c >= 32 && c <= 126) {
1034 monitor_printf(mon, "%c", c);
1035 } else {
1036 monitor_printf(mon, "\\x%02x", c);
1038 break;
1040 monitor_printf(mon, "'");
1043 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1044 target_phys_addr_t addr, int is_physical)
1046 CPUState *env;
1047 int nb_per_line, l, line_size, i, max_digits, len;
1048 uint8_t buf[16];
1049 uint64_t v;
1051 if (format == 'i') {
1052 int flags;
1053 flags = 0;
1054 env = mon_get_cpu();
1055 if (!env && !is_physical)
1056 return;
1057 #ifdef TARGET_I386
1058 if (wsize == 2) {
1059 flags = 1;
1060 } else if (wsize == 4) {
1061 flags = 0;
1062 } else {
1063 /* as default we use the current CS size */
1064 flags = 0;
1065 if (env) {
1066 #ifdef TARGET_X86_64
1067 if ((env->efer & MSR_EFER_LMA) &&
1068 (env->segs[R_CS].flags & DESC_L_MASK))
1069 flags = 2;
1070 else
1071 #endif
1072 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1073 flags = 1;
1076 #endif
1077 monitor_disas(mon, env, addr, count, is_physical, flags);
1078 return;
1081 len = wsize * count;
1082 if (wsize == 1)
1083 line_size = 8;
1084 else
1085 line_size = 16;
1086 nb_per_line = line_size / wsize;
1087 max_digits = 0;
1089 switch(format) {
1090 case 'o':
1091 max_digits = (wsize * 8 + 2) / 3;
1092 break;
1093 default:
1094 case 'x':
1095 max_digits = (wsize * 8) / 4;
1096 break;
1097 case 'u':
1098 case 'd':
1099 max_digits = (wsize * 8 * 10 + 32) / 33;
1100 break;
1101 case 'c':
1102 wsize = 1;
1103 break;
1106 while (len > 0) {
1107 if (is_physical)
1108 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1109 else
1110 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1111 l = len;
1112 if (l > line_size)
1113 l = line_size;
1114 if (is_physical) {
1115 cpu_physical_memory_rw(addr, buf, l, 0);
1116 } else {
1117 env = mon_get_cpu();
1118 if (!env)
1119 break;
1120 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1121 monitor_printf(mon, " Cannot access memory\n");
1122 break;
1125 i = 0;
1126 while (i < l) {
1127 switch(wsize) {
1128 default:
1129 case 1:
1130 v = ldub_raw(buf + i);
1131 break;
1132 case 2:
1133 v = lduw_raw(buf + i);
1134 break;
1135 case 4:
1136 v = (uint32_t)ldl_raw(buf + i);
1137 break;
1138 case 8:
1139 v = ldq_raw(buf + i);
1140 break;
1142 monitor_printf(mon, " ");
1143 switch(format) {
1144 case 'o':
1145 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1146 break;
1147 case 'x':
1148 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1149 break;
1150 case 'u':
1151 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1152 break;
1153 case 'd':
1154 monitor_printf(mon, "%*" PRId64, max_digits, v);
1155 break;
1156 case 'c':
1157 monitor_printc(mon, v);
1158 break;
1160 i += wsize;
1162 monitor_printf(mon, "\n");
1163 addr += l;
1164 len -= l;
1168 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1170 int count = qdict_get_int(qdict, "count");
1171 int format = qdict_get_int(qdict, "format");
1172 int size = qdict_get_int(qdict, "size");
1173 target_long addr = qdict_get_int(qdict, "addr");
1175 memory_dump(mon, count, format, size, addr, 0);
1178 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1180 int count = qdict_get_int(qdict, "count");
1181 int format = qdict_get_int(qdict, "format");
1182 int size = qdict_get_int(qdict, "size");
1183 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1185 memory_dump(mon, count, format, size, addr, 1);
1188 static void do_print(Monitor *mon, const QDict *qdict)
1190 int format = qdict_get_int(qdict, "format");
1191 target_phys_addr_t val = qdict_get_int(qdict, "val");
1193 #if TARGET_PHYS_ADDR_BITS == 32
1194 switch(format) {
1195 case 'o':
1196 monitor_printf(mon, "%#o", val);
1197 break;
1198 case 'x':
1199 monitor_printf(mon, "%#x", val);
1200 break;
1201 case 'u':
1202 monitor_printf(mon, "%u", val);
1203 break;
1204 default:
1205 case 'd':
1206 monitor_printf(mon, "%d", val);
1207 break;
1208 case 'c':
1209 monitor_printc(mon, val);
1210 break;
1212 #else
1213 switch(format) {
1214 case 'o':
1215 monitor_printf(mon, "%#" PRIo64, val);
1216 break;
1217 case 'x':
1218 monitor_printf(mon, "%#" PRIx64, val);
1219 break;
1220 case 'u':
1221 monitor_printf(mon, "%" PRIu64, val);
1222 break;
1223 default:
1224 case 'd':
1225 monitor_printf(mon, "%" PRId64, val);
1226 break;
1227 case 'c':
1228 monitor_printc(mon, val);
1229 break;
1231 #endif
1232 monitor_printf(mon, "\n");
1235 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1237 FILE *f;
1238 uint32_t size = qdict_get_int(qdict, "size");
1239 const char *filename = qdict_get_str(qdict, "filename");
1240 target_long addr = qdict_get_int(qdict, "val");
1241 uint32_t l;
1242 CPUState *env;
1243 uint8_t buf[1024];
1245 env = mon_get_cpu();
1246 if (!env)
1247 return;
1249 f = fopen(filename, "wb");
1250 if (!f) {
1251 monitor_printf(mon, "could not open '%s'\n", filename);
1252 return;
1254 while (size != 0) {
1255 l = sizeof(buf);
1256 if (l > size)
1257 l = size;
1258 cpu_memory_rw_debug(env, addr, buf, l, 0);
1259 fwrite(buf, 1, l, f);
1260 addr += l;
1261 size -= l;
1263 fclose(f);
1266 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1267 QObject **ret_data)
1269 FILE *f;
1270 uint32_t l;
1271 uint8_t buf[1024];
1272 uint32_t size = qdict_get_int(qdict, "size");
1273 const char *filename = qdict_get_str(qdict, "filename");
1274 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1276 f = fopen(filename, "wb");
1277 if (!f) {
1278 monitor_printf(mon, "could not open '%s'\n", filename);
1279 return;
1281 while (size != 0) {
1282 l = sizeof(buf);
1283 if (l > size)
1284 l = size;
1285 cpu_physical_memory_rw(addr, buf, l, 0);
1286 fwrite(buf, 1, l, f);
1287 fflush(f);
1288 addr += l;
1289 size -= l;
1291 fclose(f);
1294 static void do_sum(Monitor *mon, const QDict *qdict)
1296 uint32_t addr;
1297 uint8_t buf[1];
1298 uint16_t sum;
1299 uint32_t start = qdict_get_int(qdict, "start");
1300 uint32_t size = qdict_get_int(qdict, "size");
1302 sum = 0;
1303 for(addr = start; addr < (start + size); addr++) {
1304 cpu_physical_memory_rw(addr, buf, 1, 0);
1305 /* BSD sum algorithm ('sum' Unix command) */
1306 sum = (sum >> 1) | (sum << 15);
1307 sum += buf[0];
1309 monitor_printf(mon, "%05d\n", sum);
1312 typedef struct {
1313 int keycode;
1314 const char *name;
1315 } KeyDef;
1317 static const KeyDef key_defs[] = {
1318 { 0x2a, "shift" },
1319 { 0x36, "shift_r" },
1321 { 0x38, "alt" },
1322 { 0xb8, "alt_r" },
1323 { 0x64, "altgr" },
1324 { 0xe4, "altgr_r" },
1325 { 0x1d, "ctrl" },
1326 { 0x9d, "ctrl_r" },
1328 { 0xdd, "menu" },
1330 { 0x01, "esc" },
1332 { 0x02, "1" },
1333 { 0x03, "2" },
1334 { 0x04, "3" },
1335 { 0x05, "4" },
1336 { 0x06, "5" },
1337 { 0x07, "6" },
1338 { 0x08, "7" },
1339 { 0x09, "8" },
1340 { 0x0a, "9" },
1341 { 0x0b, "0" },
1342 { 0x0c, "minus" },
1343 { 0x0d, "equal" },
1344 { 0x0e, "backspace" },
1346 { 0x0f, "tab" },
1347 { 0x10, "q" },
1348 { 0x11, "w" },
1349 { 0x12, "e" },
1350 { 0x13, "r" },
1351 { 0x14, "t" },
1352 { 0x15, "y" },
1353 { 0x16, "u" },
1354 { 0x17, "i" },
1355 { 0x18, "o" },
1356 { 0x19, "p" },
1358 { 0x1c, "ret" },
1360 { 0x1e, "a" },
1361 { 0x1f, "s" },
1362 { 0x20, "d" },
1363 { 0x21, "f" },
1364 { 0x22, "g" },
1365 { 0x23, "h" },
1366 { 0x24, "j" },
1367 { 0x25, "k" },
1368 { 0x26, "l" },
1370 { 0x2c, "z" },
1371 { 0x2d, "x" },
1372 { 0x2e, "c" },
1373 { 0x2f, "v" },
1374 { 0x30, "b" },
1375 { 0x31, "n" },
1376 { 0x32, "m" },
1377 { 0x33, "comma" },
1378 { 0x34, "dot" },
1379 { 0x35, "slash" },
1381 { 0x37, "asterisk" },
1383 { 0x39, "spc" },
1384 { 0x3a, "caps_lock" },
1385 { 0x3b, "f1" },
1386 { 0x3c, "f2" },
1387 { 0x3d, "f3" },
1388 { 0x3e, "f4" },
1389 { 0x3f, "f5" },
1390 { 0x40, "f6" },
1391 { 0x41, "f7" },
1392 { 0x42, "f8" },
1393 { 0x43, "f9" },
1394 { 0x44, "f10" },
1395 { 0x45, "num_lock" },
1396 { 0x46, "scroll_lock" },
1398 { 0xb5, "kp_divide" },
1399 { 0x37, "kp_multiply" },
1400 { 0x4a, "kp_subtract" },
1401 { 0x4e, "kp_add" },
1402 { 0x9c, "kp_enter" },
1403 { 0x53, "kp_decimal" },
1404 { 0x54, "sysrq" },
1406 { 0x52, "kp_0" },
1407 { 0x4f, "kp_1" },
1408 { 0x50, "kp_2" },
1409 { 0x51, "kp_3" },
1410 { 0x4b, "kp_4" },
1411 { 0x4c, "kp_5" },
1412 { 0x4d, "kp_6" },
1413 { 0x47, "kp_7" },
1414 { 0x48, "kp_8" },
1415 { 0x49, "kp_9" },
1417 { 0x56, "<" },
1419 { 0x57, "f11" },
1420 { 0x58, "f12" },
1422 { 0xb7, "print" },
1424 { 0xc7, "home" },
1425 { 0xc9, "pgup" },
1426 { 0xd1, "pgdn" },
1427 { 0xcf, "end" },
1429 { 0xcb, "left" },
1430 { 0xc8, "up" },
1431 { 0xd0, "down" },
1432 { 0xcd, "right" },
1434 { 0xd2, "insert" },
1435 { 0xd3, "delete" },
1436 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1437 { 0xf0, "stop" },
1438 { 0xf1, "again" },
1439 { 0xf2, "props" },
1440 { 0xf3, "undo" },
1441 { 0xf4, "front" },
1442 { 0xf5, "copy" },
1443 { 0xf6, "open" },
1444 { 0xf7, "paste" },
1445 { 0xf8, "find" },
1446 { 0xf9, "cut" },
1447 { 0xfa, "lf" },
1448 { 0xfb, "help" },
1449 { 0xfc, "meta_l" },
1450 { 0xfd, "meta_r" },
1451 { 0xfe, "compose" },
1452 #endif
1453 { 0, NULL },
1456 static int get_keycode(const char *key)
1458 const KeyDef *p;
1459 char *endp;
1460 int ret;
1462 for(p = key_defs; p->name != NULL; p++) {
1463 if (!strcmp(key, p->name))
1464 return p->keycode;
1466 if (strstart(key, "0x", NULL)) {
1467 ret = strtoul(key, &endp, 0);
1468 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1469 return ret;
1471 return -1;
1474 #define MAX_KEYCODES 16
1475 static uint8_t keycodes[MAX_KEYCODES];
1476 static int nb_pending_keycodes;
1477 static QEMUTimer *key_timer;
1479 static void release_keys(void *opaque)
1481 int keycode;
1483 while (nb_pending_keycodes > 0) {
1484 nb_pending_keycodes--;
1485 keycode = keycodes[nb_pending_keycodes];
1486 if (keycode & 0x80)
1487 kbd_put_keycode(0xe0);
1488 kbd_put_keycode(keycode | 0x80);
1492 static void do_sendkey(Monitor *mon, const QDict *qdict)
1494 char keyname_buf[16];
1495 char *separator;
1496 int keyname_len, keycode, i;
1497 const char *string = qdict_get_str(qdict, "string");
1498 int has_hold_time = qdict_haskey(qdict, "hold_time");
1499 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1501 if (nb_pending_keycodes > 0) {
1502 qemu_del_timer(key_timer);
1503 release_keys(NULL);
1505 if (!has_hold_time)
1506 hold_time = 100;
1507 i = 0;
1508 while (1) {
1509 separator = strchr(string, '-');
1510 keyname_len = separator ? separator - string : strlen(string);
1511 if (keyname_len > 0) {
1512 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1513 if (keyname_len > sizeof(keyname_buf) - 1) {
1514 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1515 return;
1517 if (i == MAX_KEYCODES) {
1518 monitor_printf(mon, "too many keys\n");
1519 return;
1521 keyname_buf[keyname_len] = 0;
1522 keycode = get_keycode(keyname_buf);
1523 if (keycode < 0) {
1524 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1525 return;
1527 keycodes[i++] = keycode;
1529 if (!separator)
1530 break;
1531 string = separator + 1;
1533 nb_pending_keycodes = i;
1534 /* key down events */
1535 for (i = 0; i < nb_pending_keycodes; i++) {
1536 keycode = keycodes[i];
1537 if (keycode & 0x80)
1538 kbd_put_keycode(0xe0);
1539 kbd_put_keycode(keycode & 0x7f);
1541 /* delayed key up events */
1542 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1543 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1546 static int mouse_button_state;
1548 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1550 int dx, dy, dz;
1551 const char *dx_str = qdict_get_str(qdict, "dx_str");
1552 const char *dy_str = qdict_get_str(qdict, "dy_str");
1553 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1554 dx = strtol(dx_str, NULL, 0);
1555 dy = strtol(dy_str, NULL, 0);
1556 dz = 0;
1557 if (dz_str)
1558 dz = strtol(dz_str, NULL, 0);
1559 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1562 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1564 int button_state = qdict_get_int(qdict, "button_state");
1565 mouse_button_state = button_state;
1566 kbd_mouse_event(0, 0, 0, mouse_button_state);
1569 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1571 int size = qdict_get_int(qdict, "size");
1572 int addr = qdict_get_int(qdict, "addr");
1573 int has_index = qdict_haskey(qdict, "index");
1574 uint32_t val;
1575 int suffix;
1577 if (has_index) {
1578 int index = qdict_get_int(qdict, "index");
1579 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1580 addr++;
1582 addr &= 0xffff;
1584 switch(size) {
1585 default:
1586 case 1:
1587 val = cpu_inb(addr);
1588 suffix = 'b';
1589 break;
1590 case 2:
1591 val = cpu_inw(addr);
1592 suffix = 'w';
1593 break;
1594 case 4:
1595 val = cpu_inl(addr);
1596 suffix = 'l';
1597 break;
1599 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1600 suffix, addr, size * 2, val);
1603 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1605 int size = qdict_get_int(qdict, "size");
1606 int addr = qdict_get_int(qdict, "addr");
1607 int val = qdict_get_int(qdict, "val");
1609 addr &= IOPORTS_MASK;
1611 switch (size) {
1612 default:
1613 case 1:
1614 cpu_outb(addr, val);
1615 break;
1616 case 2:
1617 cpu_outw(addr, val);
1618 break;
1619 case 4:
1620 cpu_outl(addr, val);
1621 break;
1625 static void do_boot_set(Monitor *mon, const QDict *qdict)
1627 int res;
1628 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1630 res = qemu_boot_set(bootdevice);
1631 if (res == 0) {
1632 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1633 } else if (res > 0) {
1634 monitor_printf(mon, "setting boot device list failed\n");
1635 } else {
1636 monitor_printf(mon, "no function defined to set boot device list for "
1637 "this architecture\n");
1642 * do_system_reset(): Issue a machine reset
1644 static void do_system_reset(Monitor *mon, const QDict *qdict,
1645 QObject **ret_data)
1647 qemu_system_reset_request();
1651 * do_system_powerdown(): Issue a machine powerdown
1653 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1654 QObject **ret_data)
1656 qemu_system_powerdown_request();
1659 #if defined(TARGET_I386)
1660 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1662 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1663 addr,
1664 pte & mask,
1665 pte & PG_GLOBAL_MASK ? 'G' : '-',
1666 pte & PG_PSE_MASK ? 'P' : '-',
1667 pte & PG_DIRTY_MASK ? 'D' : '-',
1668 pte & PG_ACCESSED_MASK ? 'A' : '-',
1669 pte & PG_PCD_MASK ? 'C' : '-',
1670 pte & PG_PWT_MASK ? 'T' : '-',
1671 pte & PG_USER_MASK ? 'U' : '-',
1672 pte & PG_RW_MASK ? 'W' : '-');
1675 static void tlb_info(Monitor *mon)
1677 CPUState *env;
1678 int l1, l2;
1679 uint32_t pgd, pde, pte;
1681 env = mon_get_cpu();
1682 if (!env)
1683 return;
1685 if (!(env->cr[0] & CR0_PG_MASK)) {
1686 monitor_printf(mon, "PG disabled\n");
1687 return;
1689 pgd = env->cr[3] & ~0xfff;
1690 for(l1 = 0; l1 < 1024; l1++) {
1691 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1692 pde = le32_to_cpu(pde);
1693 if (pde & PG_PRESENT_MASK) {
1694 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1695 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1696 } else {
1697 for(l2 = 0; l2 < 1024; l2++) {
1698 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1699 (uint8_t *)&pte, 4);
1700 pte = le32_to_cpu(pte);
1701 if (pte & PG_PRESENT_MASK) {
1702 print_pte(mon, (l1 << 22) + (l2 << 12),
1703 pte & ~PG_PSE_MASK,
1704 ~0xfff);
1712 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1713 uint32_t end, int prot)
1715 int prot1;
1716 prot1 = *plast_prot;
1717 if (prot != prot1) {
1718 if (*pstart != -1) {
1719 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1720 *pstart, end, end - *pstart,
1721 prot1 & PG_USER_MASK ? 'u' : '-',
1722 'r',
1723 prot1 & PG_RW_MASK ? 'w' : '-');
1725 if (prot != 0)
1726 *pstart = end;
1727 else
1728 *pstart = -1;
1729 *plast_prot = prot;
1733 static void mem_info(Monitor *mon)
1735 CPUState *env;
1736 int l1, l2, prot, last_prot;
1737 uint32_t pgd, pde, pte, start, end;
1739 env = mon_get_cpu();
1740 if (!env)
1741 return;
1743 if (!(env->cr[0] & CR0_PG_MASK)) {
1744 monitor_printf(mon, "PG disabled\n");
1745 return;
1747 pgd = env->cr[3] & ~0xfff;
1748 last_prot = 0;
1749 start = -1;
1750 for(l1 = 0; l1 < 1024; l1++) {
1751 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1752 pde = le32_to_cpu(pde);
1753 end = l1 << 22;
1754 if (pde & PG_PRESENT_MASK) {
1755 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1756 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1757 mem_print(mon, &start, &last_prot, end, prot);
1758 } else {
1759 for(l2 = 0; l2 < 1024; l2++) {
1760 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1761 (uint8_t *)&pte, 4);
1762 pte = le32_to_cpu(pte);
1763 end = (l1 << 22) + (l2 << 12);
1764 if (pte & PG_PRESENT_MASK) {
1765 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1766 } else {
1767 prot = 0;
1769 mem_print(mon, &start, &last_prot, end, prot);
1772 } else {
1773 prot = 0;
1774 mem_print(mon, &start, &last_prot, end, prot);
1778 #endif
1780 #if defined(TARGET_SH4)
1782 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1784 monitor_printf(mon, " tlb%i:\t"
1785 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1786 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1787 "dirty=%hhu writethrough=%hhu\n",
1788 idx,
1789 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1790 tlb->v, tlb->sh, tlb->c, tlb->pr,
1791 tlb->d, tlb->wt);
1794 static void tlb_info(Monitor *mon)
1796 CPUState *env = mon_get_cpu();
1797 int i;
1799 monitor_printf (mon, "ITLB:\n");
1800 for (i = 0 ; i < ITLB_SIZE ; i++)
1801 print_tlb (mon, i, &env->itlb[i]);
1802 monitor_printf (mon, "UTLB:\n");
1803 for (i = 0 ; i < UTLB_SIZE ; i++)
1804 print_tlb (mon, i, &env->utlb[i]);
1807 #endif
1809 static void do_info_kvm(Monitor *mon)
1811 #ifdef CONFIG_KVM
1812 monitor_printf(mon, "kvm support: ");
1813 if (kvm_enabled())
1814 monitor_printf(mon, "enabled\n");
1815 else
1816 monitor_printf(mon, "disabled\n");
1817 #else
1818 monitor_printf(mon, "kvm support: not compiled\n");
1819 #endif
1822 static void do_info_numa(Monitor *mon)
1824 int i;
1825 CPUState *env;
1827 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1828 for (i = 0; i < nb_numa_nodes; i++) {
1829 monitor_printf(mon, "node %d cpus:", i);
1830 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1831 if (env->numa_node == i) {
1832 monitor_printf(mon, " %d", env->cpu_index);
1835 monitor_printf(mon, "\n");
1836 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1837 node_mem[i] >> 20);
1841 #ifdef CONFIG_PROFILER
1843 int64_t qemu_time;
1844 int64_t dev_time;
1846 static void do_info_profile(Monitor *mon)
1848 int64_t total;
1849 total = qemu_time;
1850 if (total == 0)
1851 total = 1;
1852 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1853 dev_time, dev_time / (double)get_ticks_per_sec());
1854 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1855 qemu_time, qemu_time / (double)get_ticks_per_sec());
1856 qemu_time = 0;
1857 dev_time = 0;
1859 #else
1860 static void do_info_profile(Monitor *mon)
1862 monitor_printf(mon, "Internal profiler not compiled\n");
1864 #endif
1866 /* Capture support */
1867 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1869 static void do_info_capture(Monitor *mon)
1871 int i;
1872 CaptureState *s;
1874 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1875 monitor_printf(mon, "[%d]: ", i);
1876 s->ops.info (s->opaque);
1880 #ifdef HAS_AUDIO
1881 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1883 int i;
1884 int n = qdict_get_int(qdict, "n");
1885 CaptureState *s;
1887 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1888 if (i == n) {
1889 s->ops.destroy (s->opaque);
1890 QLIST_REMOVE (s, entries);
1891 qemu_free (s);
1892 return;
1897 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1899 const char *path = qdict_get_str(qdict, "path");
1900 int has_freq = qdict_haskey(qdict, "freq");
1901 int freq = qdict_get_try_int(qdict, "freq", -1);
1902 int has_bits = qdict_haskey(qdict, "bits");
1903 int bits = qdict_get_try_int(qdict, "bits", -1);
1904 int has_channels = qdict_haskey(qdict, "nchannels");
1905 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1906 CaptureState *s;
1908 s = qemu_mallocz (sizeof (*s));
1910 freq = has_freq ? freq : 44100;
1911 bits = has_bits ? bits : 16;
1912 nchannels = has_channels ? nchannels : 2;
1914 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1915 monitor_printf(mon, "Faied to add wave capture\n");
1916 qemu_free (s);
1918 QLIST_INSERT_HEAD (&capture_head, s, entries);
1920 #endif
1922 #if defined(TARGET_I386)
1923 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1925 CPUState *env;
1926 int cpu_index = qdict_get_int(qdict, "cpu_index");
1928 for (env = first_cpu; env != NULL; env = env->next_cpu)
1929 if (env->cpu_index == cpu_index) {
1930 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1931 break;
1934 #endif
1936 static void do_info_status_print(Monitor *mon, const QObject *data)
1938 QDict *qdict;
1940 qdict = qobject_to_qdict(data);
1942 monitor_printf(mon, "VM status: ");
1943 if (qdict_get_bool(qdict, "running")) {
1944 monitor_printf(mon, "running");
1945 if (qdict_get_bool(qdict, "singlestep")) {
1946 monitor_printf(mon, " (single step mode)");
1948 } else {
1949 monitor_printf(mon, "paused");
1952 monitor_printf(mon, "\n");
1956 * do_info_status(): VM status
1958 * Return a QDict with the following information:
1960 * - "running": true if the VM is running, or false if it is paused
1961 * - "singlestep": true if the VM is in single step mode, false otherwise
1963 * Example:
1965 * { "running": true, "singlestep": false }
1967 static void do_info_status(Monitor *mon, QObject **ret_data)
1969 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
1970 vm_running, singlestep);
1974 * do_balloon(): Request VM to change its memory allocation
1976 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1978 int value = qdict_get_int(qdict, "value");
1979 ram_addr_t target = value;
1980 qemu_balloon(target << 20);
1983 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1985 QDict *qdict;
1987 qdict = qobject_to_qdict(data);
1989 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
1990 qdict_get_int(qdict, "balloon") >> 20);
1994 * do_info_balloon(): Balloon information
1996 * Return a QDict with the following information:
1998 * - "balloon": current balloon value in bytes
2000 * Example:
2002 * { "balloon": 1073741824 }
2004 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2006 ram_addr_t actual;
2008 actual = qemu_balloon_status();
2009 if (kvm_enabled() && !kvm_has_sync_mmu())
2010 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2011 else if (actual == 0)
2012 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2013 else
2014 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2015 (int64_t) actual);
2018 static qemu_acl *find_acl(Monitor *mon, const char *name)
2020 qemu_acl *acl = qemu_acl_find(name);
2022 if (!acl) {
2023 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2025 return acl;
2028 static void do_acl_show(Monitor *mon, const QDict *qdict)
2030 const char *aclname = qdict_get_str(qdict, "aclname");
2031 qemu_acl *acl = find_acl(mon, aclname);
2032 qemu_acl_entry *entry;
2033 int i = 0;
2035 if (acl) {
2036 monitor_printf(mon, "policy: %s\n",
2037 acl->defaultDeny ? "deny" : "allow");
2038 QTAILQ_FOREACH(entry, &acl->entries, next) {
2039 i++;
2040 monitor_printf(mon, "%d: %s %s\n", i,
2041 entry->deny ? "deny" : "allow", entry->match);
2046 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2048 const char *aclname = qdict_get_str(qdict, "aclname");
2049 qemu_acl *acl = find_acl(mon, aclname);
2051 if (acl) {
2052 qemu_acl_reset(acl);
2053 monitor_printf(mon, "acl: removed all rules\n");
2057 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2059 const char *aclname = qdict_get_str(qdict, "aclname");
2060 const char *policy = qdict_get_str(qdict, "policy");
2061 qemu_acl *acl = find_acl(mon, aclname);
2063 if (acl) {
2064 if (strcmp(policy, "allow") == 0) {
2065 acl->defaultDeny = 0;
2066 monitor_printf(mon, "acl: policy set to 'allow'\n");
2067 } else if (strcmp(policy, "deny") == 0) {
2068 acl->defaultDeny = 1;
2069 monitor_printf(mon, "acl: policy set to 'deny'\n");
2070 } else {
2071 monitor_printf(mon, "acl: unknown policy '%s', "
2072 "expected 'deny' or 'allow'\n", policy);
2077 static void do_acl_add(Monitor *mon, const QDict *qdict)
2079 const char *aclname = qdict_get_str(qdict, "aclname");
2080 const char *match = qdict_get_str(qdict, "match");
2081 const char *policy = qdict_get_str(qdict, "policy");
2082 int has_index = qdict_haskey(qdict, "index");
2083 int index = qdict_get_try_int(qdict, "index", -1);
2084 qemu_acl *acl = find_acl(mon, aclname);
2085 int deny, ret;
2087 if (acl) {
2088 if (strcmp(policy, "allow") == 0) {
2089 deny = 0;
2090 } else if (strcmp(policy, "deny") == 0) {
2091 deny = 1;
2092 } else {
2093 monitor_printf(mon, "acl: unknown policy '%s', "
2094 "expected 'deny' or 'allow'\n", policy);
2095 return;
2097 if (has_index)
2098 ret = qemu_acl_insert(acl, deny, match, index);
2099 else
2100 ret = qemu_acl_append(acl, deny, match);
2101 if (ret < 0)
2102 monitor_printf(mon, "acl: unable to add acl entry\n");
2103 else
2104 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2108 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2110 const char *aclname = qdict_get_str(qdict, "aclname");
2111 const char *match = qdict_get_str(qdict, "match");
2112 qemu_acl *acl = find_acl(mon, aclname);
2113 int ret;
2115 if (acl) {
2116 ret = qemu_acl_remove(acl, match);
2117 if (ret < 0)
2118 monitor_printf(mon, "acl: no matching acl entry\n");
2119 else
2120 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2124 #if defined(TARGET_I386)
2125 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2127 CPUState *cenv;
2128 int cpu_index = qdict_get_int(qdict, "cpu_index");
2129 int bank = qdict_get_int(qdict, "bank");
2130 uint64_t status = qdict_get_int(qdict, "status");
2131 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2132 uint64_t addr = qdict_get_int(qdict, "addr");
2133 uint64_t misc = qdict_get_int(qdict, "misc");
2135 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2136 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2137 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2138 break;
2141 #endif
2143 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2145 const char *fdname = qdict_get_str(qdict, "fdname");
2146 mon_fd_t *monfd;
2147 int fd;
2149 fd = qemu_chr_get_msgfd(mon->chr);
2150 if (fd == -1) {
2151 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2152 return;
2155 if (qemu_isdigit(fdname[0])) {
2156 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2157 return;
2160 fd = dup(fd);
2161 if (fd == -1) {
2162 if (errno == EMFILE)
2163 qemu_error_new(QERR_TOO_MANY_FILES);
2164 else
2165 qemu_error_new(QERR_UNDEFINED_ERROR);
2166 return;
2169 QLIST_FOREACH(monfd, &mon->fds, next) {
2170 if (strcmp(monfd->name, fdname) != 0) {
2171 continue;
2174 close(monfd->fd);
2175 monfd->fd = fd;
2176 return;
2179 monfd = qemu_mallocz(sizeof(mon_fd_t));
2180 monfd->name = qemu_strdup(fdname);
2181 monfd->fd = fd;
2183 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2186 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2188 const char *fdname = qdict_get_str(qdict, "fdname");
2189 mon_fd_t *monfd;
2191 QLIST_FOREACH(monfd, &mon->fds, next) {
2192 if (strcmp(monfd->name, fdname) != 0) {
2193 continue;
2196 QLIST_REMOVE(monfd, next);
2197 close(monfd->fd);
2198 qemu_free(monfd->name);
2199 qemu_free(monfd);
2200 return;
2203 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2206 static void do_loadvm(Monitor *mon, const QDict *qdict)
2208 int saved_vm_running = vm_running;
2209 const char *name = qdict_get_str(qdict, "name");
2211 vm_stop(0);
2213 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2214 vm_start();
2217 int monitor_get_fd(Monitor *mon, const char *fdname)
2219 mon_fd_t *monfd;
2221 QLIST_FOREACH(monfd, &mon->fds, next) {
2222 int fd;
2224 if (strcmp(monfd->name, fdname) != 0) {
2225 continue;
2228 fd = monfd->fd;
2230 /* caller takes ownership of fd */
2231 QLIST_REMOVE(monfd, next);
2232 qemu_free(monfd->name);
2233 qemu_free(monfd);
2235 return fd;
2238 return -1;
2241 static const mon_cmd_t mon_cmds[] = {
2242 #include "qemu-monitor.h"
2243 { NULL, NULL, },
2246 /* Please update qemu-monitor.hx when adding or changing commands */
2247 static const mon_cmd_t info_cmds[] = {
2249 .name = "version",
2250 .args_type = "",
2251 .params = "",
2252 .help = "show the version of QEMU",
2253 .user_print = do_info_version_print,
2254 .mhandler.info_new = do_info_version,
2257 .name = "commands",
2258 .args_type = "",
2259 .params = "",
2260 .help = "list QMP available commands",
2261 .user_print = monitor_user_noop,
2262 .mhandler.info_new = do_info_commands,
2265 .name = "network",
2266 .args_type = "",
2267 .params = "",
2268 .help = "show the network state",
2269 .mhandler.info = do_info_network,
2272 .name = "chardev",
2273 .args_type = "",
2274 .params = "",
2275 .help = "show the character devices",
2276 .mhandler.info = qemu_chr_info,
2279 .name = "block",
2280 .args_type = "",
2281 .params = "",
2282 .help = "show the block devices",
2283 .mhandler.info = bdrv_info,
2286 .name = "blockstats",
2287 .args_type = "",
2288 .params = "",
2289 .help = "show block device statistics",
2290 .mhandler.info = bdrv_info_stats,
2293 .name = "registers",
2294 .args_type = "",
2295 .params = "",
2296 .help = "show the cpu registers",
2297 .mhandler.info = do_info_registers,
2300 .name = "cpus",
2301 .args_type = "",
2302 .params = "",
2303 .help = "show infos for each CPU",
2304 .user_print = monitor_print_cpus,
2305 .mhandler.info_new = do_info_cpus,
2308 .name = "history",
2309 .args_type = "",
2310 .params = "",
2311 .help = "show the command line history",
2312 .mhandler.info = do_info_history,
2315 .name = "irq",
2316 .args_type = "",
2317 .params = "",
2318 .help = "show the interrupts statistics (if available)",
2319 .mhandler.info = irq_info,
2322 .name = "pic",
2323 .args_type = "",
2324 .params = "",
2325 .help = "show i8259 (PIC) state",
2326 .mhandler.info = pic_info,
2329 .name = "pci",
2330 .args_type = "",
2331 .params = "",
2332 .help = "show PCI info",
2333 .mhandler.info = pci_info,
2335 #if defined(TARGET_I386) || defined(TARGET_SH4)
2337 .name = "tlb",
2338 .args_type = "",
2339 .params = "",
2340 .help = "show virtual to physical memory mappings",
2341 .mhandler.info = tlb_info,
2343 #endif
2344 #if defined(TARGET_I386)
2346 .name = "mem",
2347 .args_type = "",
2348 .params = "",
2349 .help = "show the active virtual memory mappings",
2350 .mhandler.info = mem_info,
2353 .name = "hpet",
2354 .args_type = "",
2355 .params = "",
2356 .help = "show state of HPET",
2357 .mhandler.info = do_info_hpet,
2359 #endif
2361 .name = "jit",
2362 .args_type = "",
2363 .params = "",
2364 .help = "show dynamic compiler info",
2365 .mhandler.info = do_info_jit,
2368 .name = "kvm",
2369 .args_type = "",
2370 .params = "",
2371 .help = "show KVM information",
2372 .mhandler.info = do_info_kvm,
2375 .name = "numa",
2376 .args_type = "",
2377 .params = "",
2378 .help = "show NUMA information",
2379 .mhandler.info = do_info_numa,
2382 .name = "usb",
2383 .args_type = "",
2384 .params = "",
2385 .help = "show guest USB devices",
2386 .mhandler.info = usb_info,
2389 .name = "usbhost",
2390 .args_type = "",
2391 .params = "",
2392 .help = "show host USB devices",
2393 .mhandler.info = usb_host_info,
2396 .name = "profile",
2397 .args_type = "",
2398 .params = "",
2399 .help = "show profiling information",
2400 .mhandler.info = do_info_profile,
2403 .name = "capture",
2404 .args_type = "",
2405 .params = "",
2406 .help = "show capture information",
2407 .mhandler.info = do_info_capture,
2410 .name = "snapshots",
2411 .args_type = "",
2412 .params = "",
2413 .help = "show the currently saved VM snapshots",
2414 .mhandler.info = do_info_snapshots,
2417 .name = "status",
2418 .args_type = "",
2419 .params = "",
2420 .help = "show the current VM status (running|paused)",
2421 .user_print = do_info_status_print,
2422 .mhandler.info_new = do_info_status,
2425 .name = "pcmcia",
2426 .args_type = "",
2427 .params = "",
2428 .help = "show guest PCMCIA status",
2429 .mhandler.info = pcmcia_info,
2432 .name = "mice",
2433 .args_type = "",
2434 .params = "",
2435 .help = "show which guest mouse is receiving events",
2436 .mhandler.info = do_info_mice,
2439 .name = "vnc",
2440 .args_type = "",
2441 .params = "",
2442 .help = "show the vnc server status",
2443 .mhandler.info = do_info_vnc,
2446 .name = "name",
2447 .args_type = "",
2448 .params = "",
2449 .help = "show the current VM name",
2450 .mhandler.info = do_info_name,
2453 .name = "uuid",
2454 .args_type = "",
2455 .params = "",
2456 .help = "show the current VM UUID",
2457 .mhandler.info = do_info_uuid,
2459 #if defined(TARGET_PPC)
2461 .name = "cpustats",
2462 .args_type = "",
2463 .params = "",
2464 .help = "show CPU statistics",
2465 .mhandler.info = do_info_cpu_stats,
2467 #endif
2468 #if defined(CONFIG_SLIRP)
2470 .name = "usernet",
2471 .args_type = "",
2472 .params = "",
2473 .help = "show user network stack connection states",
2474 .mhandler.info = do_info_usernet,
2476 #endif
2478 .name = "migrate",
2479 .args_type = "",
2480 .params = "",
2481 .help = "show migration status",
2482 .mhandler.info = do_info_migrate,
2485 .name = "balloon",
2486 .args_type = "",
2487 .params = "",
2488 .help = "show balloon information",
2489 .user_print = monitor_print_balloon,
2490 .mhandler.info_new = do_info_balloon,
2493 .name = "qtree",
2494 .args_type = "",
2495 .params = "",
2496 .help = "show device tree",
2497 .mhandler.info = do_info_qtree,
2500 .name = "qdm",
2501 .args_type = "",
2502 .params = "",
2503 .help = "show qdev device model list",
2504 .mhandler.info = do_info_qdm,
2507 .name = "roms",
2508 .args_type = "",
2509 .params = "",
2510 .help = "show roms",
2511 .mhandler.info = do_info_roms,
2514 .name = NULL,
2518 /*******************************************************************/
2520 static const char *pch;
2521 static jmp_buf expr_env;
2523 #define MD_TLONG 0
2524 #define MD_I32 1
2526 typedef struct MonitorDef {
2527 const char *name;
2528 int offset;
2529 target_long (*get_value)(const struct MonitorDef *md, int val);
2530 int type;
2531 } MonitorDef;
2533 #if defined(TARGET_I386)
2534 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2536 CPUState *env = mon_get_cpu();
2537 if (!env)
2538 return 0;
2539 return env->eip + env->segs[R_CS].base;
2541 #endif
2543 #if defined(TARGET_PPC)
2544 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2546 CPUState *env = mon_get_cpu();
2547 unsigned int u;
2548 int i;
2550 if (!env)
2551 return 0;
2553 u = 0;
2554 for (i = 0; i < 8; i++)
2555 u |= env->crf[i] << (32 - (4 * i));
2557 return u;
2560 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2562 CPUState *env = mon_get_cpu();
2563 if (!env)
2564 return 0;
2565 return env->msr;
2568 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2570 CPUState *env = mon_get_cpu();
2571 if (!env)
2572 return 0;
2573 return env->xer;
2576 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2578 CPUState *env = mon_get_cpu();
2579 if (!env)
2580 return 0;
2581 return cpu_ppc_load_decr(env);
2584 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2586 CPUState *env = mon_get_cpu();
2587 if (!env)
2588 return 0;
2589 return cpu_ppc_load_tbu(env);
2592 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2594 CPUState *env = mon_get_cpu();
2595 if (!env)
2596 return 0;
2597 return cpu_ppc_load_tbl(env);
2599 #endif
2601 #if defined(TARGET_SPARC)
2602 #ifndef TARGET_SPARC64
2603 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2605 CPUState *env = mon_get_cpu();
2606 if (!env)
2607 return 0;
2608 return GET_PSR(env);
2610 #endif
2612 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2614 CPUState *env = mon_get_cpu();
2615 if (!env)
2616 return 0;
2617 return env->regwptr[val];
2619 #endif
2621 static const MonitorDef monitor_defs[] = {
2622 #ifdef TARGET_I386
2624 #define SEG(name, seg) \
2625 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2626 { name ".base", offsetof(CPUState, segs[seg].base) },\
2627 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2629 { "eax", offsetof(CPUState, regs[0]) },
2630 { "ecx", offsetof(CPUState, regs[1]) },
2631 { "edx", offsetof(CPUState, regs[2]) },
2632 { "ebx", offsetof(CPUState, regs[3]) },
2633 { "esp|sp", offsetof(CPUState, regs[4]) },
2634 { "ebp|fp", offsetof(CPUState, regs[5]) },
2635 { "esi", offsetof(CPUState, regs[6]) },
2636 { "edi", offsetof(CPUState, regs[7]) },
2637 #ifdef TARGET_X86_64
2638 { "r8", offsetof(CPUState, regs[8]) },
2639 { "r9", offsetof(CPUState, regs[9]) },
2640 { "r10", offsetof(CPUState, regs[10]) },
2641 { "r11", offsetof(CPUState, regs[11]) },
2642 { "r12", offsetof(CPUState, regs[12]) },
2643 { "r13", offsetof(CPUState, regs[13]) },
2644 { "r14", offsetof(CPUState, regs[14]) },
2645 { "r15", offsetof(CPUState, regs[15]) },
2646 #endif
2647 { "eflags", offsetof(CPUState, eflags) },
2648 { "eip", offsetof(CPUState, eip) },
2649 SEG("cs", R_CS)
2650 SEG("ds", R_DS)
2651 SEG("es", R_ES)
2652 SEG("ss", R_SS)
2653 SEG("fs", R_FS)
2654 SEG("gs", R_GS)
2655 { "pc", 0, monitor_get_pc, },
2656 #elif defined(TARGET_PPC)
2657 /* General purpose registers */
2658 { "r0", offsetof(CPUState, gpr[0]) },
2659 { "r1", offsetof(CPUState, gpr[1]) },
2660 { "r2", offsetof(CPUState, gpr[2]) },
2661 { "r3", offsetof(CPUState, gpr[3]) },
2662 { "r4", offsetof(CPUState, gpr[4]) },
2663 { "r5", offsetof(CPUState, gpr[5]) },
2664 { "r6", offsetof(CPUState, gpr[6]) },
2665 { "r7", offsetof(CPUState, gpr[7]) },
2666 { "r8", offsetof(CPUState, gpr[8]) },
2667 { "r9", offsetof(CPUState, gpr[9]) },
2668 { "r10", offsetof(CPUState, gpr[10]) },
2669 { "r11", offsetof(CPUState, gpr[11]) },
2670 { "r12", offsetof(CPUState, gpr[12]) },
2671 { "r13", offsetof(CPUState, gpr[13]) },
2672 { "r14", offsetof(CPUState, gpr[14]) },
2673 { "r15", offsetof(CPUState, gpr[15]) },
2674 { "r16", offsetof(CPUState, gpr[16]) },
2675 { "r17", offsetof(CPUState, gpr[17]) },
2676 { "r18", offsetof(CPUState, gpr[18]) },
2677 { "r19", offsetof(CPUState, gpr[19]) },
2678 { "r20", offsetof(CPUState, gpr[20]) },
2679 { "r21", offsetof(CPUState, gpr[21]) },
2680 { "r22", offsetof(CPUState, gpr[22]) },
2681 { "r23", offsetof(CPUState, gpr[23]) },
2682 { "r24", offsetof(CPUState, gpr[24]) },
2683 { "r25", offsetof(CPUState, gpr[25]) },
2684 { "r26", offsetof(CPUState, gpr[26]) },
2685 { "r27", offsetof(CPUState, gpr[27]) },
2686 { "r28", offsetof(CPUState, gpr[28]) },
2687 { "r29", offsetof(CPUState, gpr[29]) },
2688 { "r30", offsetof(CPUState, gpr[30]) },
2689 { "r31", offsetof(CPUState, gpr[31]) },
2690 /* Floating point registers */
2691 { "f0", offsetof(CPUState, fpr[0]) },
2692 { "f1", offsetof(CPUState, fpr[1]) },
2693 { "f2", offsetof(CPUState, fpr[2]) },
2694 { "f3", offsetof(CPUState, fpr[3]) },
2695 { "f4", offsetof(CPUState, fpr[4]) },
2696 { "f5", offsetof(CPUState, fpr[5]) },
2697 { "f6", offsetof(CPUState, fpr[6]) },
2698 { "f7", offsetof(CPUState, fpr[7]) },
2699 { "f8", offsetof(CPUState, fpr[8]) },
2700 { "f9", offsetof(CPUState, fpr[9]) },
2701 { "f10", offsetof(CPUState, fpr[10]) },
2702 { "f11", offsetof(CPUState, fpr[11]) },
2703 { "f12", offsetof(CPUState, fpr[12]) },
2704 { "f13", offsetof(CPUState, fpr[13]) },
2705 { "f14", offsetof(CPUState, fpr[14]) },
2706 { "f15", offsetof(CPUState, fpr[15]) },
2707 { "f16", offsetof(CPUState, fpr[16]) },
2708 { "f17", offsetof(CPUState, fpr[17]) },
2709 { "f18", offsetof(CPUState, fpr[18]) },
2710 { "f19", offsetof(CPUState, fpr[19]) },
2711 { "f20", offsetof(CPUState, fpr[20]) },
2712 { "f21", offsetof(CPUState, fpr[21]) },
2713 { "f22", offsetof(CPUState, fpr[22]) },
2714 { "f23", offsetof(CPUState, fpr[23]) },
2715 { "f24", offsetof(CPUState, fpr[24]) },
2716 { "f25", offsetof(CPUState, fpr[25]) },
2717 { "f26", offsetof(CPUState, fpr[26]) },
2718 { "f27", offsetof(CPUState, fpr[27]) },
2719 { "f28", offsetof(CPUState, fpr[28]) },
2720 { "f29", offsetof(CPUState, fpr[29]) },
2721 { "f30", offsetof(CPUState, fpr[30]) },
2722 { "f31", offsetof(CPUState, fpr[31]) },
2723 { "fpscr", offsetof(CPUState, fpscr) },
2724 /* Next instruction pointer */
2725 { "nip|pc", offsetof(CPUState, nip) },
2726 { "lr", offsetof(CPUState, lr) },
2727 { "ctr", offsetof(CPUState, ctr) },
2728 { "decr", 0, &monitor_get_decr, },
2729 { "ccr", 0, &monitor_get_ccr, },
2730 /* Machine state register */
2731 { "msr", 0, &monitor_get_msr, },
2732 { "xer", 0, &monitor_get_xer, },
2733 { "tbu", 0, &monitor_get_tbu, },
2734 { "tbl", 0, &monitor_get_tbl, },
2735 #if defined(TARGET_PPC64)
2736 /* Address space register */
2737 { "asr", offsetof(CPUState, asr) },
2738 #endif
2739 /* Segment registers */
2740 { "sdr1", offsetof(CPUState, sdr1) },
2741 { "sr0", offsetof(CPUState, sr[0]) },
2742 { "sr1", offsetof(CPUState, sr[1]) },
2743 { "sr2", offsetof(CPUState, sr[2]) },
2744 { "sr3", offsetof(CPUState, sr[3]) },
2745 { "sr4", offsetof(CPUState, sr[4]) },
2746 { "sr5", offsetof(CPUState, sr[5]) },
2747 { "sr6", offsetof(CPUState, sr[6]) },
2748 { "sr7", offsetof(CPUState, sr[7]) },
2749 { "sr8", offsetof(CPUState, sr[8]) },
2750 { "sr9", offsetof(CPUState, sr[9]) },
2751 { "sr10", offsetof(CPUState, sr[10]) },
2752 { "sr11", offsetof(CPUState, sr[11]) },
2753 { "sr12", offsetof(CPUState, sr[12]) },
2754 { "sr13", offsetof(CPUState, sr[13]) },
2755 { "sr14", offsetof(CPUState, sr[14]) },
2756 { "sr15", offsetof(CPUState, sr[15]) },
2757 /* Too lazy to put BATs and SPRs ... */
2758 #elif defined(TARGET_SPARC)
2759 { "g0", offsetof(CPUState, gregs[0]) },
2760 { "g1", offsetof(CPUState, gregs[1]) },
2761 { "g2", offsetof(CPUState, gregs[2]) },
2762 { "g3", offsetof(CPUState, gregs[3]) },
2763 { "g4", offsetof(CPUState, gregs[4]) },
2764 { "g5", offsetof(CPUState, gregs[5]) },
2765 { "g6", offsetof(CPUState, gregs[6]) },
2766 { "g7", offsetof(CPUState, gregs[7]) },
2767 { "o0", 0, monitor_get_reg },
2768 { "o1", 1, monitor_get_reg },
2769 { "o2", 2, monitor_get_reg },
2770 { "o3", 3, monitor_get_reg },
2771 { "o4", 4, monitor_get_reg },
2772 { "o5", 5, monitor_get_reg },
2773 { "o6", 6, monitor_get_reg },
2774 { "o7", 7, monitor_get_reg },
2775 { "l0", 8, monitor_get_reg },
2776 { "l1", 9, monitor_get_reg },
2777 { "l2", 10, monitor_get_reg },
2778 { "l3", 11, monitor_get_reg },
2779 { "l4", 12, monitor_get_reg },
2780 { "l5", 13, monitor_get_reg },
2781 { "l6", 14, monitor_get_reg },
2782 { "l7", 15, monitor_get_reg },
2783 { "i0", 16, monitor_get_reg },
2784 { "i1", 17, monitor_get_reg },
2785 { "i2", 18, monitor_get_reg },
2786 { "i3", 19, monitor_get_reg },
2787 { "i4", 20, monitor_get_reg },
2788 { "i5", 21, monitor_get_reg },
2789 { "i6", 22, monitor_get_reg },
2790 { "i7", 23, monitor_get_reg },
2791 { "pc", offsetof(CPUState, pc) },
2792 { "npc", offsetof(CPUState, npc) },
2793 { "y", offsetof(CPUState, y) },
2794 #ifndef TARGET_SPARC64
2795 { "psr", 0, &monitor_get_psr, },
2796 { "wim", offsetof(CPUState, wim) },
2797 #endif
2798 { "tbr", offsetof(CPUState, tbr) },
2799 { "fsr", offsetof(CPUState, fsr) },
2800 { "f0", offsetof(CPUState, fpr[0]) },
2801 { "f1", offsetof(CPUState, fpr[1]) },
2802 { "f2", offsetof(CPUState, fpr[2]) },
2803 { "f3", offsetof(CPUState, fpr[3]) },
2804 { "f4", offsetof(CPUState, fpr[4]) },
2805 { "f5", offsetof(CPUState, fpr[5]) },
2806 { "f6", offsetof(CPUState, fpr[6]) },
2807 { "f7", offsetof(CPUState, fpr[7]) },
2808 { "f8", offsetof(CPUState, fpr[8]) },
2809 { "f9", offsetof(CPUState, fpr[9]) },
2810 { "f10", offsetof(CPUState, fpr[10]) },
2811 { "f11", offsetof(CPUState, fpr[11]) },
2812 { "f12", offsetof(CPUState, fpr[12]) },
2813 { "f13", offsetof(CPUState, fpr[13]) },
2814 { "f14", offsetof(CPUState, fpr[14]) },
2815 { "f15", offsetof(CPUState, fpr[15]) },
2816 { "f16", offsetof(CPUState, fpr[16]) },
2817 { "f17", offsetof(CPUState, fpr[17]) },
2818 { "f18", offsetof(CPUState, fpr[18]) },
2819 { "f19", offsetof(CPUState, fpr[19]) },
2820 { "f20", offsetof(CPUState, fpr[20]) },
2821 { "f21", offsetof(CPUState, fpr[21]) },
2822 { "f22", offsetof(CPUState, fpr[22]) },
2823 { "f23", offsetof(CPUState, fpr[23]) },
2824 { "f24", offsetof(CPUState, fpr[24]) },
2825 { "f25", offsetof(CPUState, fpr[25]) },
2826 { "f26", offsetof(CPUState, fpr[26]) },
2827 { "f27", offsetof(CPUState, fpr[27]) },
2828 { "f28", offsetof(CPUState, fpr[28]) },
2829 { "f29", offsetof(CPUState, fpr[29]) },
2830 { "f30", offsetof(CPUState, fpr[30]) },
2831 { "f31", offsetof(CPUState, fpr[31]) },
2832 #ifdef TARGET_SPARC64
2833 { "f32", offsetof(CPUState, fpr[32]) },
2834 { "f34", offsetof(CPUState, fpr[34]) },
2835 { "f36", offsetof(CPUState, fpr[36]) },
2836 { "f38", offsetof(CPUState, fpr[38]) },
2837 { "f40", offsetof(CPUState, fpr[40]) },
2838 { "f42", offsetof(CPUState, fpr[42]) },
2839 { "f44", offsetof(CPUState, fpr[44]) },
2840 { "f46", offsetof(CPUState, fpr[46]) },
2841 { "f48", offsetof(CPUState, fpr[48]) },
2842 { "f50", offsetof(CPUState, fpr[50]) },
2843 { "f52", offsetof(CPUState, fpr[52]) },
2844 { "f54", offsetof(CPUState, fpr[54]) },
2845 { "f56", offsetof(CPUState, fpr[56]) },
2846 { "f58", offsetof(CPUState, fpr[58]) },
2847 { "f60", offsetof(CPUState, fpr[60]) },
2848 { "f62", offsetof(CPUState, fpr[62]) },
2849 { "asi", offsetof(CPUState, asi) },
2850 { "pstate", offsetof(CPUState, pstate) },
2851 { "cansave", offsetof(CPUState, cansave) },
2852 { "canrestore", offsetof(CPUState, canrestore) },
2853 { "otherwin", offsetof(CPUState, otherwin) },
2854 { "wstate", offsetof(CPUState, wstate) },
2855 { "cleanwin", offsetof(CPUState, cleanwin) },
2856 { "fprs", offsetof(CPUState, fprs) },
2857 #endif
2858 #endif
2859 { NULL },
2862 static void expr_error(Monitor *mon, const char *msg)
2864 monitor_printf(mon, "%s\n", msg);
2865 longjmp(expr_env, 1);
2868 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2869 static int get_monitor_def(target_long *pval, const char *name)
2871 const MonitorDef *md;
2872 void *ptr;
2874 for(md = monitor_defs; md->name != NULL; md++) {
2875 if (compare_cmd(name, md->name)) {
2876 if (md->get_value) {
2877 *pval = md->get_value(md, md->offset);
2878 } else {
2879 CPUState *env = mon_get_cpu();
2880 if (!env)
2881 return -2;
2882 ptr = (uint8_t *)env + md->offset;
2883 switch(md->type) {
2884 case MD_I32:
2885 *pval = *(int32_t *)ptr;
2886 break;
2887 case MD_TLONG:
2888 *pval = *(target_long *)ptr;
2889 break;
2890 default:
2891 *pval = 0;
2892 break;
2895 return 0;
2898 return -1;
2901 static void next(void)
2903 if (*pch != '\0') {
2904 pch++;
2905 while (qemu_isspace(*pch))
2906 pch++;
2910 static int64_t expr_sum(Monitor *mon);
2912 static int64_t expr_unary(Monitor *mon)
2914 int64_t n;
2915 char *p;
2916 int ret;
2918 switch(*pch) {
2919 case '+':
2920 next();
2921 n = expr_unary(mon);
2922 break;
2923 case '-':
2924 next();
2925 n = -expr_unary(mon);
2926 break;
2927 case '~':
2928 next();
2929 n = ~expr_unary(mon);
2930 break;
2931 case '(':
2932 next();
2933 n = expr_sum(mon);
2934 if (*pch != ')') {
2935 expr_error(mon, "')' expected");
2937 next();
2938 break;
2939 case '\'':
2940 pch++;
2941 if (*pch == '\0')
2942 expr_error(mon, "character constant expected");
2943 n = *pch;
2944 pch++;
2945 if (*pch != '\'')
2946 expr_error(mon, "missing terminating \' character");
2947 next();
2948 break;
2949 case '$':
2951 char buf[128], *q;
2952 target_long reg=0;
2954 pch++;
2955 q = buf;
2956 while ((*pch >= 'a' && *pch <= 'z') ||
2957 (*pch >= 'A' && *pch <= 'Z') ||
2958 (*pch >= '0' && *pch <= '9') ||
2959 *pch == '_' || *pch == '.') {
2960 if ((q - buf) < sizeof(buf) - 1)
2961 *q++ = *pch;
2962 pch++;
2964 while (qemu_isspace(*pch))
2965 pch++;
2966 *q = 0;
2967 ret = get_monitor_def(&reg, buf);
2968 if (ret == -1)
2969 expr_error(mon, "unknown register");
2970 else if (ret == -2)
2971 expr_error(mon, "no cpu defined");
2972 n = reg;
2974 break;
2975 case '\0':
2976 expr_error(mon, "unexpected end of expression");
2977 n = 0;
2978 break;
2979 default:
2980 #if TARGET_PHYS_ADDR_BITS > 32
2981 n = strtoull(pch, &p, 0);
2982 #else
2983 n = strtoul(pch, &p, 0);
2984 #endif
2985 if (pch == p) {
2986 expr_error(mon, "invalid char in expression");
2988 pch = p;
2989 while (qemu_isspace(*pch))
2990 pch++;
2991 break;
2993 return n;
2997 static int64_t expr_prod(Monitor *mon)
2999 int64_t val, val2;
3000 int op;
3002 val = expr_unary(mon);
3003 for(;;) {
3004 op = *pch;
3005 if (op != '*' && op != '/' && op != '%')
3006 break;
3007 next();
3008 val2 = expr_unary(mon);
3009 switch(op) {
3010 default:
3011 case '*':
3012 val *= val2;
3013 break;
3014 case '/':
3015 case '%':
3016 if (val2 == 0)
3017 expr_error(mon, "division by zero");
3018 if (op == '/')
3019 val /= val2;
3020 else
3021 val %= val2;
3022 break;
3025 return val;
3028 static int64_t expr_logic(Monitor *mon)
3030 int64_t val, val2;
3031 int op;
3033 val = expr_prod(mon);
3034 for(;;) {
3035 op = *pch;
3036 if (op != '&' && op != '|' && op != '^')
3037 break;
3038 next();
3039 val2 = expr_prod(mon);
3040 switch(op) {
3041 default:
3042 case '&':
3043 val &= val2;
3044 break;
3045 case '|':
3046 val |= val2;
3047 break;
3048 case '^':
3049 val ^= val2;
3050 break;
3053 return val;
3056 static int64_t expr_sum(Monitor *mon)
3058 int64_t val, val2;
3059 int op;
3061 val = expr_logic(mon);
3062 for(;;) {
3063 op = *pch;
3064 if (op != '+' && op != '-')
3065 break;
3066 next();
3067 val2 = expr_logic(mon);
3068 if (op == '+')
3069 val += val2;
3070 else
3071 val -= val2;
3073 return val;
3076 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3078 pch = *pp;
3079 if (setjmp(expr_env)) {
3080 *pp = pch;
3081 return -1;
3083 while (qemu_isspace(*pch))
3084 pch++;
3085 *pval = expr_sum(mon);
3086 *pp = pch;
3087 return 0;
3090 static int get_str(char *buf, int buf_size, const char **pp)
3092 const char *p;
3093 char *q;
3094 int c;
3096 q = buf;
3097 p = *pp;
3098 while (qemu_isspace(*p))
3099 p++;
3100 if (*p == '\0') {
3101 fail:
3102 *q = '\0';
3103 *pp = p;
3104 return -1;
3106 if (*p == '\"') {
3107 p++;
3108 while (*p != '\0' && *p != '\"') {
3109 if (*p == '\\') {
3110 p++;
3111 c = *p++;
3112 switch(c) {
3113 case 'n':
3114 c = '\n';
3115 break;
3116 case 'r':
3117 c = '\r';
3118 break;
3119 case '\\':
3120 case '\'':
3121 case '\"':
3122 break;
3123 default:
3124 qemu_printf("unsupported escape code: '\\%c'\n", c);
3125 goto fail;
3127 if ((q - buf) < buf_size - 1) {
3128 *q++ = c;
3130 } else {
3131 if ((q - buf) < buf_size - 1) {
3132 *q++ = *p;
3134 p++;
3137 if (*p != '\"') {
3138 qemu_printf("unterminated string\n");
3139 goto fail;
3141 p++;
3142 } else {
3143 while (*p != '\0' && !qemu_isspace(*p)) {
3144 if ((q - buf) < buf_size - 1) {
3145 *q++ = *p;
3147 p++;
3150 *q = '\0';
3151 *pp = p;
3152 return 0;
3156 * Store the command-name in cmdname, and return a pointer to
3157 * the remaining of the command string.
3159 static const char *get_command_name(const char *cmdline,
3160 char *cmdname, size_t nlen)
3162 size_t len;
3163 const char *p, *pstart;
3165 p = cmdline;
3166 while (qemu_isspace(*p))
3167 p++;
3168 if (*p == '\0')
3169 return NULL;
3170 pstart = p;
3171 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3172 p++;
3173 len = p - pstart;
3174 if (len > nlen - 1)
3175 len = nlen - 1;
3176 memcpy(cmdname, pstart, len);
3177 cmdname[len] = '\0';
3178 return p;
3182 * Read key of 'type' into 'key' and return the current
3183 * 'type' pointer.
3185 static char *key_get_info(const char *type, char **key)
3187 size_t len;
3188 char *p, *str;
3190 if (*type == ',')
3191 type++;
3193 p = strchr(type, ':');
3194 if (!p) {
3195 *key = NULL;
3196 return NULL;
3198 len = p - type;
3200 str = qemu_malloc(len + 1);
3201 memcpy(str, type, len);
3202 str[len] = '\0';
3204 *key = str;
3205 return ++p;
3208 static int default_fmt_format = 'x';
3209 static int default_fmt_size = 4;
3211 #define MAX_ARGS 16
3213 static int is_valid_option(const char *c, const char *typestr)
3215 char option[3];
3217 option[0] = '-';
3218 option[1] = *c;
3219 option[2] = '\0';
3221 typestr = strstr(typestr, option);
3222 return (typestr != NULL);
3225 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3227 const mon_cmd_t *cmd;
3229 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3230 if (compare_cmd(cmdname, cmd->name)) {
3231 return cmd;
3235 return NULL;
3238 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3239 const char *cmdline,
3240 QDict *qdict)
3242 const char *p, *typestr;
3243 int c;
3244 const mon_cmd_t *cmd;
3245 char cmdname[256];
3246 char buf[1024];
3247 char *key;
3249 #ifdef DEBUG
3250 monitor_printf(mon, "command='%s'\n", cmdline);
3251 #endif
3253 /* extract the command name */
3254 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3255 if (!p)
3256 return NULL;
3258 cmd = monitor_find_command(cmdname);
3259 if (!cmd) {
3260 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3261 return NULL;
3264 /* parse the parameters */
3265 typestr = cmd->args_type;
3266 for(;;) {
3267 typestr = key_get_info(typestr, &key);
3268 if (!typestr)
3269 break;
3270 c = *typestr;
3271 typestr++;
3272 switch(c) {
3273 case 'F':
3274 case 'B':
3275 case 's':
3277 int ret;
3279 while (qemu_isspace(*p))
3280 p++;
3281 if (*typestr == '?') {
3282 typestr++;
3283 if (*p == '\0') {
3284 /* no optional string: NULL argument */
3285 break;
3288 ret = get_str(buf, sizeof(buf), &p);
3289 if (ret < 0) {
3290 switch(c) {
3291 case 'F':
3292 monitor_printf(mon, "%s: filename expected\n",
3293 cmdname);
3294 break;
3295 case 'B':
3296 monitor_printf(mon, "%s: block device name expected\n",
3297 cmdname);
3298 break;
3299 default:
3300 monitor_printf(mon, "%s: string expected\n", cmdname);
3301 break;
3303 goto fail;
3305 qdict_put(qdict, key, qstring_from_str(buf));
3307 break;
3308 case '/':
3310 int count, format, size;
3312 while (qemu_isspace(*p))
3313 p++;
3314 if (*p == '/') {
3315 /* format found */
3316 p++;
3317 count = 1;
3318 if (qemu_isdigit(*p)) {
3319 count = 0;
3320 while (qemu_isdigit(*p)) {
3321 count = count * 10 + (*p - '0');
3322 p++;
3325 size = -1;
3326 format = -1;
3327 for(;;) {
3328 switch(*p) {
3329 case 'o':
3330 case 'd':
3331 case 'u':
3332 case 'x':
3333 case 'i':
3334 case 'c':
3335 format = *p++;
3336 break;
3337 case 'b':
3338 size = 1;
3339 p++;
3340 break;
3341 case 'h':
3342 size = 2;
3343 p++;
3344 break;
3345 case 'w':
3346 size = 4;
3347 p++;
3348 break;
3349 case 'g':
3350 case 'L':
3351 size = 8;
3352 p++;
3353 break;
3354 default:
3355 goto next;
3358 next:
3359 if (*p != '\0' && !qemu_isspace(*p)) {
3360 monitor_printf(mon, "invalid char in format: '%c'\n",
3361 *p);
3362 goto fail;
3364 if (format < 0)
3365 format = default_fmt_format;
3366 if (format != 'i') {
3367 /* for 'i', not specifying a size gives -1 as size */
3368 if (size < 0)
3369 size = default_fmt_size;
3370 default_fmt_size = size;
3372 default_fmt_format = format;
3373 } else {
3374 count = 1;
3375 format = default_fmt_format;
3376 if (format != 'i') {
3377 size = default_fmt_size;
3378 } else {
3379 size = -1;
3382 qdict_put(qdict, "count", qint_from_int(count));
3383 qdict_put(qdict, "format", qint_from_int(format));
3384 qdict_put(qdict, "size", qint_from_int(size));
3386 break;
3387 case 'i':
3388 case 'l':
3390 int64_t val;
3392 while (qemu_isspace(*p))
3393 p++;
3394 if (*typestr == '?' || *typestr == '.') {
3395 if (*typestr == '?') {
3396 if (*p == '\0') {
3397 typestr++;
3398 break;
3400 } else {
3401 if (*p == '.') {
3402 p++;
3403 while (qemu_isspace(*p))
3404 p++;
3405 } else {
3406 typestr++;
3407 break;
3410 typestr++;
3412 if (get_expr(mon, &val, &p))
3413 goto fail;
3414 /* Check if 'i' is greater than 32-bit */
3415 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3416 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3417 monitor_printf(mon, "integer is for 32-bit values\n");
3418 goto fail;
3420 qdict_put(qdict, key, qint_from_int(val));
3422 break;
3423 case '-':
3425 const char *tmp = p;
3426 int has_option, skip_key = 0;
3427 /* option */
3429 c = *typestr++;
3430 if (c == '\0')
3431 goto bad_type;
3432 while (qemu_isspace(*p))
3433 p++;
3434 has_option = 0;
3435 if (*p == '-') {
3436 p++;
3437 if(c != *p) {
3438 if(!is_valid_option(p, typestr)) {
3440 monitor_printf(mon, "%s: unsupported option -%c\n",
3441 cmdname, *p);
3442 goto fail;
3443 } else {
3444 skip_key = 1;
3447 if(skip_key) {
3448 p = tmp;
3449 } else {
3450 p++;
3451 has_option = 1;
3454 qdict_put(qdict, key, qint_from_int(has_option));
3456 break;
3457 default:
3458 bad_type:
3459 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3460 goto fail;
3462 qemu_free(key);
3463 key = NULL;
3465 /* check that all arguments were parsed */
3466 while (qemu_isspace(*p))
3467 p++;
3468 if (*p != '\0') {
3469 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3470 cmdname);
3471 goto fail;
3474 return cmd;
3476 fail:
3477 qemu_free(key);
3478 return NULL;
3481 static void monitor_print_error(Monitor *mon)
3483 qerror_print(mon->error);
3484 QDECREF(mon->error);
3485 mon->error = NULL;
3488 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3489 const QDict *params)
3491 QObject *data = NULL;
3493 cmd->mhandler.cmd_new(mon, params, &data);
3495 if (monitor_ctrl_mode(mon)) {
3496 /* Monitor Protocol */
3497 monitor_protocol_emitter(mon, data);
3498 } else {
3499 /* User Protocol */
3500 if (data)
3501 cmd->user_print(mon, data);
3504 qobject_decref(data);
3507 static void handle_user_command(Monitor *mon, const char *cmdline)
3509 QDict *qdict;
3510 const mon_cmd_t *cmd;
3512 qdict = qdict_new();
3514 cmd = monitor_parse_command(mon, cmdline, qdict);
3515 if (!cmd)
3516 goto out;
3518 qemu_errors_to_mon(mon);
3520 if (monitor_handler_ported(cmd)) {
3521 monitor_call_handler(mon, cmd, qdict);
3522 } else {
3523 cmd->mhandler.cmd(mon, qdict);
3526 if (monitor_has_error(mon))
3527 monitor_print_error(mon);
3529 qemu_errors_to_previous();
3531 out:
3532 QDECREF(qdict);
3535 static void cmd_completion(const char *name, const char *list)
3537 const char *p, *pstart;
3538 char cmd[128];
3539 int len;
3541 p = list;
3542 for(;;) {
3543 pstart = p;
3544 p = strchr(p, '|');
3545 if (!p)
3546 p = pstart + strlen(pstart);
3547 len = p - pstart;
3548 if (len > sizeof(cmd) - 2)
3549 len = sizeof(cmd) - 2;
3550 memcpy(cmd, pstart, len);
3551 cmd[len] = '\0';
3552 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3553 readline_add_completion(cur_mon->rs, cmd);
3555 if (*p == '\0')
3556 break;
3557 p++;
3561 static void file_completion(const char *input)
3563 DIR *ffs;
3564 struct dirent *d;
3565 char path[1024];
3566 char file[1024], file_prefix[1024];
3567 int input_path_len;
3568 const char *p;
3570 p = strrchr(input, '/');
3571 if (!p) {
3572 input_path_len = 0;
3573 pstrcpy(file_prefix, sizeof(file_prefix), input);
3574 pstrcpy(path, sizeof(path), ".");
3575 } else {
3576 input_path_len = p - input + 1;
3577 memcpy(path, input, input_path_len);
3578 if (input_path_len > sizeof(path) - 1)
3579 input_path_len = sizeof(path) - 1;
3580 path[input_path_len] = '\0';
3581 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3583 #ifdef DEBUG_COMPLETION
3584 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3585 input, path, file_prefix);
3586 #endif
3587 ffs = opendir(path);
3588 if (!ffs)
3589 return;
3590 for(;;) {
3591 struct stat sb;
3592 d = readdir(ffs);
3593 if (!d)
3594 break;
3595 if (strstart(d->d_name, file_prefix, NULL)) {
3596 memcpy(file, input, input_path_len);
3597 if (input_path_len < sizeof(file))
3598 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3599 d->d_name);
3600 /* stat the file to find out if it's a directory.
3601 * In that case add a slash to speed up typing long paths
3603 stat(file, &sb);
3604 if(S_ISDIR(sb.st_mode))
3605 pstrcat(file, sizeof(file), "/");
3606 readline_add_completion(cur_mon->rs, file);
3609 closedir(ffs);
3612 static void block_completion_it(void *opaque, BlockDriverState *bs)
3614 const char *name = bdrv_get_device_name(bs);
3615 const char *input = opaque;
3617 if (input[0] == '\0' ||
3618 !strncmp(name, (char *)input, strlen(input))) {
3619 readline_add_completion(cur_mon->rs, name);
3623 /* NOTE: this parser is an approximate form of the real command parser */
3624 static void parse_cmdline(const char *cmdline,
3625 int *pnb_args, char **args)
3627 const char *p;
3628 int nb_args, ret;
3629 char buf[1024];
3631 p = cmdline;
3632 nb_args = 0;
3633 for(;;) {
3634 while (qemu_isspace(*p))
3635 p++;
3636 if (*p == '\0')
3637 break;
3638 if (nb_args >= MAX_ARGS)
3639 break;
3640 ret = get_str(buf, sizeof(buf), &p);
3641 args[nb_args] = qemu_strdup(buf);
3642 nb_args++;
3643 if (ret < 0)
3644 break;
3646 *pnb_args = nb_args;
3649 static const char *next_arg_type(const char *typestr)
3651 const char *p = strchr(typestr, ':');
3652 return (p != NULL ? ++p : typestr);
3655 static void monitor_find_completion(const char *cmdline)
3657 const char *cmdname;
3658 char *args[MAX_ARGS];
3659 int nb_args, i, len;
3660 const char *ptype, *str;
3661 const mon_cmd_t *cmd;
3662 const KeyDef *key;
3664 parse_cmdline(cmdline, &nb_args, args);
3665 #ifdef DEBUG_COMPLETION
3666 for(i = 0; i < nb_args; i++) {
3667 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3669 #endif
3671 /* if the line ends with a space, it means we want to complete the
3672 next arg */
3673 len = strlen(cmdline);
3674 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3675 if (nb_args >= MAX_ARGS)
3676 return;
3677 args[nb_args++] = qemu_strdup("");
3679 if (nb_args <= 1) {
3680 /* command completion */
3681 if (nb_args == 0)
3682 cmdname = "";
3683 else
3684 cmdname = args[0];
3685 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3686 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3687 cmd_completion(cmdname, cmd->name);
3689 } else {
3690 /* find the command */
3691 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3692 if (compare_cmd(args[0], cmd->name))
3693 goto found;
3695 return;
3696 found:
3697 ptype = next_arg_type(cmd->args_type);
3698 for(i = 0; i < nb_args - 2; i++) {
3699 if (*ptype != '\0') {
3700 ptype = next_arg_type(ptype);
3701 while (*ptype == '?')
3702 ptype = next_arg_type(ptype);
3705 str = args[nb_args - 1];
3706 if (*ptype == '-' && ptype[1] != '\0') {
3707 ptype += 2;
3709 switch(*ptype) {
3710 case 'F':
3711 /* file completion */
3712 readline_set_completion_index(cur_mon->rs, strlen(str));
3713 file_completion(str);
3714 break;
3715 case 'B':
3716 /* block device name completion */
3717 readline_set_completion_index(cur_mon->rs, strlen(str));
3718 bdrv_iterate(block_completion_it, (void *)str);
3719 break;
3720 case 's':
3721 /* XXX: more generic ? */
3722 if (!strcmp(cmd->name, "info")) {
3723 readline_set_completion_index(cur_mon->rs, strlen(str));
3724 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3725 cmd_completion(str, cmd->name);
3727 } else if (!strcmp(cmd->name, "sendkey")) {
3728 char *sep = strrchr(str, '-');
3729 if (sep)
3730 str = sep + 1;
3731 readline_set_completion_index(cur_mon->rs, strlen(str));
3732 for(key = key_defs; key->name != NULL; key++) {
3733 cmd_completion(str, key->name);
3735 } else if (!strcmp(cmd->name, "help|?")) {
3736 readline_set_completion_index(cur_mon->rs, strlen(str));
3737 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3738 cmd_completion(str, cmd->name);
3741 break;
3742 default:
3743 break;
3746 for(i = 0; i < nb_args; i++)
3747 qemu_free(args[i]);
3750 static int monitor_can_read(void *opaque)
3752 Monitor *mon = opaque;
3754 return (mon->suspend_cnt == 0) ? 128 : 0;
3757 typedef struct CmdArgs {
3758 QString *name;
3759 int type;
3760 int flag;
3761 int optional;
3762 } CmdArgs;
3764 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3766 if (!cmd_args->optional) {
3767 qemu_error_new(QERR_MISSING_PARAMETER, name);
3768 return -1;
3771 if (cmd_args->type == '-') {
3772 /* handlers expect a value, they need to be changed */
3773 qdict_put(args, name, qint_from_int(0));
3776 return 0;
3779 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3781 QObject *value;
3782 const char *name;
3784 name = qstring_get_str(cmd_args->name);
3786 if (!args) {
3787 return check_opt(cmd_args, name, args);
3790 value = qdict_get(args, name);
3791 if (!value) {
3792 return check_opt(cmd_args, name, args);
3795 switch (cmd_args->type) {
3796 case 'F':
3797 case 'B':
3798 case 's':
3799 if (qobject_type(value) != QTYPE_QSTRING) {
3800 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3801 return -1;
3803 break;
3804 case '/': {
3805 int i;
3806 const char *keys[] = { "count", "format", "size", NULL };
3808 for (i = 0; keys[i]; i++) {
3809 QObject *obj = qdict_get(args, keys[i]);
3810 if (!obj) {
3811 qemu_error_new(QERR_MISSING_PARAMETER, name);
3812 return -1;
3814 if (qobject_type(obj) != QTYPE_QINT) {
3815 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3816 return -1;
3819 break;
3821 case 'i':
3822 case 'l':
3823 if (qobject_type(value) != QTYPE_QINT) {
3824 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3825 return -1;
3827 break;
3828 case '-':
3829 if (qobject_type(value) != QTYPE_QINT &&
3830 qobject_type(value) != QTYPE_QBOOL) {
3831 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3832 return -1;
3834 if (qobject_type(value) == QTYPE_QBOOL) {
3835 /* handlers expect a QInt, they need to be changed */
3836 qdict_put(args, name,
3837 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3839 break;
3840 default:
3841 /* impossible */
3842 abort();
3845 return 0;
3848 static void cmd_args_init(CmdArgs *cmd_args)
3850 cmd_args->name = qstring_new();
3851 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3855 * This is not trivial, we have to parse Monitor command's argument
3856 * type syntax to be able to check the arguments provided by clients.
3858 * In the near future we will be using an array for that and will be
3859 * able to drop all this parsing...
3861 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3863 int err;
3864 const char *p;
3865 CmdArgs cmd_args;
3867 if (cmd->args_type == NULL) {
3868 return (qdict_size(args) == 0 ? 0 : -1);
3871 err = 0;
3872 cmd_args_init(&cmd_args);
3874 for (p = cmd->args_type;; p++) {
3875 if (*p == ':') {
3876 cmd_args.type = *++p;
3877 p++;
3878 if (cmd_args.type == '-') {
3879 cmd_args.flag = *p++;
3880 cmd_args.optional = 1;
3881 } else if (*p == '?') {
3882 cmd_args.optional = 1;
3883 p++;
3886 assert(*p == ',' || *p == '\0');
3887 err = check_arg(&cmd_args, args);
3889 QDECREF(cmd_args.name);
3890 cmd_args_init(&cmd_args);
3892 if (err < 0) {
3893 break;
3895 } else {
3896 qstring_append_chr(cmd_args.name, *p);
3899 if (*p == '\0') {
3900 break;
3904 QDECREF(cmd_args.name);
3905 return err;
3908 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3910 int err;
3911 QObject *obj;
3912 QDict *input, *args;
3913 const mon_cmd_t *cmd;
3914 Monitor *mon = cur_mon;
3915 const char *cmd_name, *info_item;
3917 args = NULL;
3918 qemu_errors_to_mon(mon);
3920 obj = json_parser_parse(tokens, NULL);
3921 if (!obj) {
3922 // FIXME: should be triggered in json_parser_parse()
3923 qemu_error_new(QERR_JSON_PARSING);
3924 goto err_out;
3925 } else if (qobject_type(obj) != QTYPE_QDICT) {
3926 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3927 qobject_decref(obj);
3928 goto err_out;
3931 input = qobject_to_qdict(obj);
3933 mon->mc->id = qdict_get(input, "id");
3934 qobject_incref(mon->mc->id);
3936 obj = qdict_get(input, "execute");
3937 if (!obj) {
3938 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3939 goto err_input;
3940 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3941 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3942 goto err_input;
3945 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3948 * XXX: We need this special case until we get info handlers
3949 * converted into 'query-' commands
3951 if (compare_cmd(cmd_name, "info")) {
3952 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3953 goto err_input;
3954 } else if (strstart(cmd_name, "query-", &info_item)) {
3955 cmd = monitor_find_command("info");
3956 qdict_put_obj(input, "arguments",
3957 qobject_from_jsonf("{ 'item': %s }", info_item));
3958 } else {
3959 cmd = monitor_find_command(cmd_name);
3960 if (!cmd) {
3961 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3962 goto err_input;
3966 obj = qdict_get(input, "arguments");
3967 if (!obj) {
3968 args = qdict_new();
3969 } else {
3970 args = qobject_to_qdict(obj);
3971 QINCREF(args);
3974 QDECREF(input);
3976 err = monitor_check_qmp_args(cmd, args);
3977 if (err < 0) {
3978 goto err_out;
3981 monitor_call_handler(mon, cmd, args);
3982 goto out;
3984 err_input:
3985 QDECREF(input);
3986 err_out:
3987 monitor_protocol_emitter(mon, NULL);
3988 out:
3989 QDECREF(args);
3990 qemu_errors_to_previous();
3994 * monitor_control_read(): Read and handle QMP input
3996 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3998 Monitor *old_mon = cur_mon;
4000 cur_mon = opaque;
4002 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4004 cur_mon = old_mon;
4007 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4009 Monitor *old_mon = cur_mon;
4010 int i;
4012 cur_mon = opaque;
4014 if (cur_mon->rs) {
4015 for (i = 0; i < size; i++)
4016 readline_handle_byte(cur_mon->rs, buf[i]);
4017 } else {
4018 if (size == 0 || buf[size - 1] != 0)
4019 monitor_printf(cur_mon, "corrupted command\n");
4020 else
4021 handle_user_command(cur_mon, (char *)buf);
4024 cur_mon = old_mon;
4027 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4029 monitor_suspend(mon);
4030 handle_user_command(mon, cmdline);
4031 monitor_resume(mon);
4034 int monitor_suspend(Monitor *mon)
4036 if (!mon->rs)
4037 return -ENOTTY;
4038 mon->suspend_cnt++;
4039 return 0;
4042 void monitor_resume(Monitor *mon)
4044 if (!mon->rs)
4045 return;
4046 if (--mon->suspend_cnt == 0)
4047 readline_show_prompt(mon->rs);
4051 * monitor_control_event(): Print QMP gretting
4053 static void monitor_control_event(void *opaque, int event)
4055 if (event == CHR_EVENT_OPENED) {
4056 QObject *data;
4057 Monitor *mon = opaque;
4059 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4061 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4062 assert(data != NULL);
4064 monitor_json_emitter(mon, data);
4065 qobject_decref(data);
4069 static void monitor_event(void *opaque, int event)
4071 Monitor *mon = opaque;
4073 switch (event) {
4074 case CHR_EVENT_MUX_IN:
4075 mon->mux_out = 0;
4076 if (mon->reset_seen) {
4077 readline_restart(mon->rs);
4078 monitor_resume(mon);
4079 monitor_flush(mon);
4080 } else {
4081 mon->suspend_cnt = 0;
4083 break;
4085 case CHR_EVENT_MUX_OUT:
4086 if (mon->reset_seen) {
4087 if (mon->suspend_cnt == 0) {
4088 monitor_printf(mon, "\n");
4090 monitor_flush(mon);
4091 monitor_suspend(mon);
4092 } else {
4093 mon->suspend_cnt++;
4095 mon->mux_out = 1;
4096 break;
4098 case CHR_EVENT_OPENED:
4099 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4100 "information\n", QEMU_VERSION);
4101 if (!mon->mux_out) {
4102 readline_show_prompt(mon->rs);
4104 mon->reset_seen = 1;
4105 break;
4111 * Local variables:
4112 * c-indent-level: 4
4113 * c-basic-offset: 4
4114 * tab-width: 8
4115 * End:
4118 void monitor_init(CharDriverState *chr, int flags)
4120 static int is_first_init = 1;
4121 Monitor *mon;
4123 if (is_first_init) {
4124 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4125 is_first_init = 0;
4128 mon = qemu_mallocz(sizeof(*mon));
4130 mon->chr = chr;
4131 mon->flags = flags;
4132 if (flags & MONITOR_USE_READLINE) {
4133 mon->rs = readline_init(mon, monitor_find_completion);
4134 monitor_read_command(mon, 0);
4137 if (monitor_ctrl_mode(mon)) {
4138 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4139 /* Control mode requires special handlers */
4140 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4141 monitor_control_event, mon);
4142 } else {
4143 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4144 monitor_event, mon);
4147 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4148 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4149 cur_mon = mon;
4152 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4154 BlockDriverState *bs = opaque;
4155 int ret = 0;
4157 if (bdrv_set_key(bs, password) != 0) {
4158 monitor_printf(mon, "invalid password\n");
4159 ret = -EPERM;
4161 if (mon->password_completion_cb)
4162 mon->password_completion_cb(mon->password_opaque, ret);
4164 monitor_read_command(mon, 1);
4167 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4168 BlockDriverCompletionFunc *completion_cb,
4169 void *opaque)
4171 int err;
4173 if (!bdrv_key_required(bs)) {
4174 if (completion_cb)
4175 completion_cb(opaque, 0);
4176 return;
4179 if (monitor_ctrl_mode(mon)) {
4180 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4181 return;
4184 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4185 bdrv_get_encrypted_filename(bs));
4187 mon->password_completion_cb = completion_cb;
4188 mon->password_opaque = opaque;
4190 err = monitor_read_password(mon, bdrv_password_cb, bs);
4192 if (err && completion_cb)
4193 completion_cb(opaque, err);
4196 typedef struct QemuErrorSink QemuErrorSink;
4197 struct QemuErrorSink {
4198 enum {
4199 ERR_SINK_FILE,
4200 ERR_SINK_MONITOR,
4201 } dest;
4202 union {
4203 FILE *fp;
4204 Monitor *mon;
4206 QemuErrorSink *previous;
4209 static QemuErrorSink *qemu_error_sink;
4211 void qemu_errors_to_file(FILE *fp)
4213 QemuErrorSink *sink;
4215 sink = qemu_mallocz(sizeof(*sink));
4216 sink->dest = ERR_SINK_FILE;
4217 sink->fp = fp;
4218 sink->previous = qemu_error_sink;
4219 qemu_error_sink = sink;
4222 void qemu_errors_to_mon(Monitor *mon)
4224 QemuErrorSink *sink;
4226 sink = qemu_mallocz(sizeof(*sink));
4227 sink->dest = ERR_SINK_MONITOR;
4228 sink->mon = mon;
4229 sink->previous = qemu_error_sink;
4230 qemu_error_sink = sink;
4233 void qemu_errors_to_previous(void)
4235 QemuErrorSink *sink;
4237 assert(qemu_error_sink != NULL);
4238 sink = qemu_error_sink;
4239 qemu_error_sink = sink->previous;
4240 qemu_free(sink);
4243 void qemu_error(const char *fmt, ...)
4245 va_list args;
4247 assert(qemu_error_sink != NULL);
4248 switch (qemu_error_sink->dest) {
4249 case ERR_SINK_FILE:
4250 va_start(args, fmt);
4251 vfprintf(qemu_error_sink->fp, fmt, args);
4252 va_end(args);
4253 break;
4254 case ERR_SINK_MONITOR:
4255 va_start(args, fmt);
4256 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4257 va_end(args);
4258 break;
4262 void qemu_error_internal(const char *file, int linenr, const char *func,
4263 const char *fmt, ...)
4265 va_list va;
4266 QError *qerror;
4268 assert(qemu_error_sink != NULL);
4270 va_start(va, fmt);
4271 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4272 va_end(va);
4274 switch (qemu_error_sink->dest) {
4275 case ERR_SINK_FILE:
4276 qerror_print(qerror);
4277 QDECREF(qerror);
4278 break;
4279 case ERR_SINK_MONITOR:
4280 assert(qemu_error_sink->mon->error == NULL);
4281 qemu_error_sink->mon->error = qerror;
4282 break;