monitor: Fix do_info_commands() output
[qemu/ar7.git] / monitor.c
blob339f50eaf7bad4ffc0163a8976b0dc0f2a731862
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_print_qobject(Monitor *mon, const QObject *data)
262 switch (qobject_type(data)) {
263 case QTYPE_QSTRING:
264 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
265 break;
266 case QTYPE_QINT:
267 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
268 break;
269 default:
270 monitor_printf(mon, "ERROR: unsupported type: %d",
271 qobject_type(data));
272 break;
275 monitor_puts(mon, "\n");
278 static void monitor_json_emitter(Monitor *mon, const QObject *data)
280 QString *json;
282 json = qobject_to_json(data);
283 assert(json != NULL);
285 mon->mc->print_enabled = 1;
286 monitor_printf(mon, "%s\n", qstring_get_str(json));
287 mon->mc->print_enabled = 0;
289 QDECREF(json);
292 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
294 QDict *qmp;
296 qmp = qdict_new();
298 if (!monitor_has_error(mon)) {
299 /* success response */
300 if (data) {
301 qobject_incref(data);
302 qdict_put_obj(qmp, "return", data);
303 } else {
304 qdict_put(qmp, "return", qstring_from_str("OK"));
306 } else {
307 /* error response */
308 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
309 qdict_put(qmp, "error", mon->error->error);
310 QINCREF(mon->error->error);
311 QDECREF(mon->error);
312 mon->error = NULL;
315 if (mon->mc->id) {
316 qdict_put_obj(qmp, "id", mon->mc->id);
317 mon->mc->id = NULL;
320 monitor_json_emitter(mon, QOBJECT(qmp));
321 QDECREF(qmp);
324 static void timestamp_put(QDict *qdict)
326 int err;
327 QObject *obj;
328 qemu_timeval tv;
330 err = qemu_gettimeofday(&tv);
331 if (err < 0)
332 return;
334 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
335 "'microseconds': %" PRId64 " }",
336 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
337 assert(obj != NULL);
339 qdict_put_obj(qdict, "timestamp", obj);
343 * monitor_protocol_event(): Generate a Monitor event
345 * Event-specific data can be emitted through the (optional) 'data' parameter.
347 void monitor_protocol_event(MonitorEvent event, QObject *data)
349 QDict *qmp;
350 const char *event_name;
351 Monitor *mon = cur_mon;
353 assert(event < QEVENT_MAX);
355 if (!monitor_ctrl_mode(mon))
356 return;
358 switch (event) {
359 case QEVENT_DEBUG:
360 event_name = "DEBUG";
361 break;
362 case QEVENT_SHUTDOWN:
363 event_name = "SHUTDOWN";
364 break;
365 case QEVENT_RESET:
366 event_name = "RESET";
367 break;
368 case QEVENT_POWERDOWN:
369 event_name = "POWERDOWN";
370 break;
371 case QEVENT_STOP:
372 event_name = "STOP";
373 break;
374 default:
375 abort();
376 break;
379 qmp = qdict_new();
380 timestamp_put(qmp);
381 qdict_put(qmp, "event", qstring_from_str(event_name));
382 if (data)
383 qdict_put_obj(qmp, "data", data);
385 monitor_json_emitter(mon, QOBJECT(qmp));
386 QDECREF(qmp);
389 static int compare_cmd(const char *name, const char *list)
391 const char *p, *pstart;
392 int len;
393 len = strlen(name);
394 p = list;
395 for(;;) {
396 pstart = p;
397 p = strchr(p, '|');
398 if (!p)
399 p = pstart + strlen(pstart);
400 if ((p - pstart) == len && !memcmp(pstart, name, len))
401 return 1;
402 if (*p == '\0')
403 break;
404 p++;
406 return 0;
409 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
410 const char *prefix, const char *name)
412 const mon_cmd_t *cmd;
414 for(cmd = cmds; cmd->name != NULL; cmd++) {
415 if (!name || !strcmp(name, cmd->name))
416 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
417 cmd->params, cmd->help);
421 static void help_cmd(Monitor *mon, const char *name)
423 if (name && !strcmp(name, "info")) {
424 help_cmd_dump(mon, info_cmds, "info ", NULL);
425 } else {
426 help_cmd_dump(mon, mon_cmds, "", name);
427 if (name && !strcmp(name, "log")) {
428 const CPULogItem *item;
429 monitor_printf(mon, "Log items (comma separated):\n");
430 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
431 for(item = cpu_log_items; item->mask != 0; item++) {
432 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
438 static void do_help_cmd(Monitor *mon, const QDict *qdict)
440 help_cmd(mon, qdict_get_try_str(qdict, "name"));
443 static void do_commit(Monitor *mon, const QDict *qdict)
445 int all_devices;
446 DriveInfo *dinfo;
447 const char *device = qdict_get_str(qdict, "device");
449 all_devices = !strcmp(device, "all");
450 QTAILQ_FOREACH(dinfo, &drives, next) {
451 if (!all_devices)
452 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
453 continue;
454 bdrv_commit(dinfo->bdrv);
458 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
460 const mon_cmd_t *cmd;
461 const char *item = qdict_get_try_str(qdict, "item");
463 if (!item) {
464 assert(monitor_ctrl_mode(mon) == 0);
465 goto help;
468 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
469 if (compare_cmd(item, cmd->name))
470 break;
473 if (cmd->name == NULL) {
474 if (monitor_ctrl_mode(mon)) {
475 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
476 return;
478 goto help;
481 if (monitor_handler_ported(cmd)) {
482 cmd->mhandler.info_new(mon, ret_data);
484 if (!monitor_ctrl_mode(mon)) {
486 * User Protocol function is called here, Monitor Protocol is
487 * handled by monitor_call_handler()
489 if (*ret_data)
490 cmd->user_print(mon, *ret_data);
492 } else {
493 if (monitor_ctrl_mode(mon)) {
494 /* handler not converted yet */
495 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
496 } else {
497 cmd->mhandler.info(mon);
501 return;
503 help:
504 help_cmd(mon, "info");
508 * do_info_version(): Show QEMU version
510 static void do_info_version(Monitor *mon, QObject **ret_data)
512 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
515 static void do_info_name(Monitor *mon)
517 if (qemu_name)
518 monitor_printf(mon, "%s\n", qemu_name);
521 static QObject *get_cmd_dict(const char *name)
523 const char *p;
525 /* Remove '|' from some commands */
526 p = strchr(name, '|');
527 if (p) {
528 p++;
529 } else {
530 p = name;
533 return qobject_from_jsonf("{ 'name': %s }", p);
537 * do_info_commands(): List QMP available commands
539 * Each command is represented by a QDict, the returned QObject is a QList
540 * of all commands.
542 * The QDict contains:
544 * - "name": command's name
546 * Example:
548 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
550 static void do_info_commands(Monitor *mon, QObject **ret_data)
552 QList *cmd_list;
553 const mon_cmd_t *cmd;
555 cmd_list = qlist_new();
557 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
558 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
559 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
563 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
564 if (monitor_handler_ported(cmd)) {
565 char buf[128];
566 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
567 qlist_append_obj(cmd_list, get_cmd_dict(buf));
571 *ret_data = QOBJECT(cmd_list);
574 #if defined(TARGET_I386)
575 static void do_info_hpet(Monitor *mon)
577 monitor_printf(mon, "HPET is %s by QEMU\n",
578 (no_hpet) ? "disabled" : "enabled");
580 #endif
582 static void do_info_uuid(Monitor *mon)
584 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
585 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
586 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
587 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
588 qemu_uuid[14], qemu_uuid[15]);
591 /* get the current CPU defined by the user */
592 static int mon_set_cpu(int cpu_index)
594 CPUState *env;
596 for(env = first_cpu; env != NULL; env = env->next_cpu) {
597 if (env->cpu_index == cpu_index) {
598 cur_mon->mon_cpu = env;
599 return 0;
602 return -1;
605 static CPUState *mon_get_cpu(void)
607 if (!cur_mon->mon_cpu) {
608 mon_set_cpu(0);
610 cpu_synchronize_state(cur_mon->mon_cpu);
611 return cur_mon->mon_cpu;
614 static void do_info_registers(Monitor *mon)
616 CPUState *env;
617 env = mon_get_cpu();
618 if (!env)
619 return;
620 #ifdef TARGET_I386
621 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
622 X86_DUMP_FPU);
623 #else
624 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
626 #endif
629 static void print_cpu_iter(QObject *obj, void *opaque)
631 QDict *cpu;
632 int active = ' ';
633 Monitor *mon = opaque;
635 assert(qobject_type(obj) == QTYPE_QDICT);
636 cpu = qobject_to_qdict(obj);
638 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
639 active = '*';
641 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
643 #if defined(TARGET_I386)
644 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
645 (target_ulong) qdict_get_int(cpu, "pc"));
646 #elif defined(TARGET_PPC)
647 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
648 (target_long) qdict_get_int(cpu, "nip"));
649 #elif defined(TARGET_SPARC)
650 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
651 (target_long) qdict_get_int(cpu, "pc"));
652 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
653 (target_long) qdict_get_int(cpu, "npc"));
654 #elif defined(TARGET_MIPS)
655 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
656 (target_long) qdict_get_int(cpu, "PC"));
657 #endif
659 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
660 monitor_printf(mon, " (halted)");
662 monitor_printf(mon, "\n");
665 static void monitor_print_cpus(Monitor *mon, const QObject *data)
667 QList *cpu_list;
669 assert(qobject_type(data) == QTYPE_QLIST);
670 cpu_list = qobject_to_qlist(data);
671 qlist_iter(cpu_list, print_cpu_iter, mon);
675 * do_info_cpus(): Show CPU information
677 * Return a QList with a QDict for each CPU.
679 * For example:
681 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
682 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
684 static void do_info_cpus(Monitor *mon, QObject **ret_data)
686 CPUState *env;
687 QList *cpu_list;
689 cpu_list = qlist_new();
691 /* just to set the default cpu if not already done */
692 mon_get_cpu();
694 for(env = first_cpu; env != NULL; env = env->next_cpu) {
695 const char *answer;
696 QDict *cpu = qdict_new();
698 cpu_synchronize_state(env);
700 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
701 answer = (env == mon->mon_cpu) ? "yes" : "no";
702 qdict_put(cpu, "current", qstring_from_str(answer));
704 #if defined(TARGET_I386)
705 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
706 #elif defined(TARGET_PPC)
707 qdict_put(cpu, "nip", qint_from_int(env->nip));
708 #elif defined(TARGET_SPARC)
709 qdict_put(cpu, "pc", qint_from_int(env->pc));
710 qdict_put(cpu, "npc", qint_from_int(env->npc));
711 #elif defined(TARGET_MIPS)
712 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
713 #endif
714 answer = env->halted ? "yes" : "no";
715 qdict_put(cpu, "halted", qstring_from_str(answer));
717 qlist_append(cpu_list, cpu);
720 *ret_data = QOBJECT(cpu_list);
723 static void do_cpu_set(Monitor *mon, const QDict *qdict)
725 int index = qdict_get_int(qdict, "index");
726 if (mon_set_cpu(index) < 0)
727 monitor_printf(mon, "Invalid CPU index\n");
730 static void do_info_jit(Monitor *mon)
732 dump_exec_info((FILE *)mon, monitor_fprintf);
735 static void do_info_history(Monitor *mon)
737 int i;
738 const char *str;
740 if (!mon->rs)
741 return;
742 i = 0;
743 for(;;) {
744 str = readline_get_history(mon->rs, i);
745 if (!str)
746 break;
747 monitor_printf(mon, "%d: '%s'\n", i, str);
748 i++;
752 #if defined(TARGET_PPC)
753 /* XXX: not implemented in other targets */
754 static void do_info_cpu_stats(Monitor *mon)
756 CPUState *env;
758 env = mon_get_cpu();
759 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
761 #endif
764 * do_quit(): Quit QEMU execution
766 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
768 exit(0);
771 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
773 if (bdrv_is_inserted(bs)) {
774 if (!force) {
775 if (!bdrv_is_removable(bs)) {
776 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
777 bdrv_get_device_name(bs));
778 return -1;
780 if (bdrv_is_locked(bs)) {
781 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
782 return -1;
785 bdrv_close(bs);
787 return 0;
790 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
792 BlockDriverState *bs;
793 int force = qdict_get_int(qdict, "force");
794 const char *filename = qdict_get_str(qdict, "filename");
796 bs = bdrv_find(filename);
797 if (!bs) {
798 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
799 return;
801 eject_device(mon, bs, force);
804 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
805 QObject **ret_data)
807 BlockDriverState *bs;
809 bs = bdrv_find(qdict_get_str(qdict, "device"));
810 if (!bs) {
811 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
812 return;
815 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
816 qemu_error_new(QERR_INVALID_PASSWORD);
820 static void do_change_block(Monitor *mon, const char *device,
821 const char *filename, const char *fmt)
823 BlockDriverState *bs;
824 BlockDriver *drv = NULL;
826 bs = bdrv_find(device);
827 if (!bs) {
828 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
829 return;
831 if (fmt) {
832 drv = bdrv_find_whitelisted_format(fmt);
833 if (!drv) {
834 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
835 return;
838 if (eject_device(mon, bs, 0) < 0)
839 return;
840 bdrv_open2(bs, filename, 0, drv);
841 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
844 static void change_vnc_password(const char *password)
846 if (vnc_display_password(NULL, password) < 0)
847 qemu_error_new(QERR_SET_PASSWD_FAILED);
851 static void change_vnc_password_cb(Monitor *mon, const char *password,
852 void *opaque)
854 change_vnc_password(password);
855 monitor_read_command(mon, 1);
858 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
860 if (strcmp(target, "passwd") == 0 ||
861 strcmp(target, "password") == 0) {
862 if (arg) {
863 char password[9];
864 strncpy(password, arg, sizeof(password));
865 password[sizeof(password) - 1] = '\0';
866 change_vnc_password(password);
867 } else {
868 monitor_read_password(mon, change_vnc_password_cb, NULL);
870 } else {
871 if (vnc_display_open(NULL, target) < 0)
872 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
877 * do_change(): Change a removable medium, or VNC configuration
879 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
881 const char *device = qdict_get_str(qdict, "device");
882 const char *target = qdict_get_str(qdict, "target");
883 const char *arg = qdict_get_try_str(qdict, "arg");
884 if (strcmp(device, "vnc") == 0) {
885 do_change_vnc(mon, target, arg);
886 } else {
887 do_change_block(mon, device, target, arg);
891 static void do_screen_dump(Monitor *mon, const QDict *qdict)
893 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
896 static void do_logfile(Monitor *mon, const QDict *qdict)
898 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
901 static void do_log(Monitor *mon, const QDict *qdict)
903 int mask;
904 const char *items = qdict_get_str(qdict, "items");
906 if (!strcmp(items, "none")) {
907 mask = 0;
908 } else {
909 mask = cpu_str_to_log_mask(items);
910 if (!mask) {
911 help_cmd(mon, "log");
912 return;
915 cpu_set_log(mask);
918 static void do_singlestep(Monitor *mon, const QDict *qdict)
920 const char *option = qdict_get_try_str(qdict, "option");
921 if (!option || !strcmp(option, "on")) {
922 singlestep = 1;
923 } else if (!strcmp(option, "off")) {
924 singlestep = 0;
925 } else {
926 monitor_printf(mon, "unexpected option %s\n", option);
931 * do_stop(): Stop VM execution
933 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
935 vm_stop(EXCP_INTERRUPT);
938 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
940 struct bdrv_iterate_context {
941 Monitor *mon;
942 int err;
946 * do_cont(): Resume emulation.
948 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
950 struct bdrv_iterate_context context = { mon, 0 };
952 bdrv_iterate(encrypted_bdrv_it, &context);
953 /* only resume the vm if all keys are set and valid */
954 if (!context.err)
955 vm_start();
958 static void bdrv_key_cb(void *opaque, int err)
960 Monitor *mon = opaque;
962 /* another key was set successfully, retry to continue */
963 if (!err)
964 do_cont(mon, NULL, NULL);
967 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
969 struct bdrv_iterate_context *context = opaque;
971 if (!context->err && bdrv_key_required(bs)) {
972 context->err = -EBUSY;
973 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
974 context->mon);
978 static void do_gdbserver(Monitor *mon, const QDict *qdict)
980 const char *device = qdict_get_try_str(qdict, "device");
981 if (!device)
982 device = "tcp::" DEFAULT_GDBSTUB_PORT;
983 if (gdbserver_start(device) < 0) {
984 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
985 device);
986 } else if (strcmp(device, "none") == 0) {
987 monitor_printf(mon, "Disabled gdbserver\n");
988 } else {
989 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
990 device);
994 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
996 const char *action = qdict_get_str(qdict, "action");
997 if (select_watchdog_action(action) == -1) {
998 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1002 static void monitor_printc(Monitor *mon, int c)
1004 monitor_printf(mon, "'");
1005 switch(c) {
1006 case '\'':
1007 monitor_printf(mon, "\\'");
1008 break;
1009 case '\\':
1010 monitor_printf(mon, "\\\\");
1011 break;
1012 case '\n':
1013 monitor_printf(mon, "\\n");
1014 break;
1015 case '\r':
1016 monitor_printf(mon, "\\r");
1017 break;
1018 default:
1019 if (c >= 32 && c <= 126) {
1020 monitor_printf(mon, "%c", c);
1021 } else {
1022 monitor_printf(mon, "\\x%02x", c);
1024 break;
1026 monitor_printf(mon, "'");
1029 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1030 target_phys_addr_t addr, int is_physical)
1032 CPUState *env;
1033 int nb_per_line, l, line_size, i, max_digits, len;
1034 uint8_t buf[16];
1035 uint64_t v;
1037 if (format == 'i') {
1038 int flags;
1039 flags = 0;
1040 env = mon_get_cpu();
1041 if (!env && !is_physical)
1042 return;
1043 #ifdef TARGET_I386
1044 if (wsize == 2) {
1045 flags = 1;
1046 } else if (wsize == 4) {
1047 flags = 0;
1048 } else {
1049 /* as default we use the current CS size */
1050 flags = 0;
1051 if (env) {
1052 #ifdef TARGET_X86_64
1053 if ((env->efer & MSR_EFER_LMA) &&
1054 (env->segs[R_CS].flags & DESC_L_MASK))
1055 flags = 2;
1056 else
1057 #endif
1058 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1059 flags = 1;
1062 #endif
1063 monitor_disas(mon, env, addr, count, is_physical, flags);
1064 return;
1067 len = wsize * count;
1068 if (wsize == 1)
1069 line_size = 8;
1070 else
1071 line_size = 16;
1072 nb_per_line = line_size / wsize;
1073 max_digits = 0;
1075 switch(format) {
1076 case 'o':
1077 max_digits = (wsize * 8 + 2) / 3;
1078 break;
1079 default:
1080 case 'x':
1081 max_digits = (wsize * 8) / 4;
1082 break;
1083 case 'u':
1084 case 'd':
1085 max_digits = (wsize * 8 * 10 + 32) / 33;
1086 break;
1087 case 'c':
1088 wsize = 1;
1089 break;
1092 while (len > 0) {
1093 if (is_physical)
1094 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1095 else
1096 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1097 l = len;
1098 if (l > line_size)
1099 l = line_size;
1100 if (is_physical) {
1101 cpu_physical_memory_rw(addr, buf, l, 0);
1102 } else {
1103 env = mon_get_cpu();
1104 if (!env)
1105 break;
1106 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1107 monitor_printf(mon, " Cannot access memory\n");
1108 break;
1111 i = 0;
1112 while (i < l) {
1113 switch(wsize) {
1114 default:
1115 case 1:
1116 v = ldub_raw(buf + i);
1117 break;
1118 case 2:
1119 v = lduw_raw(buf + i);
1120 break;
1121 case 4:
1122 v = (uint32_t)ldl_raw(buf + i);
1123 break;
1124 case 8:
1125 v = ldq_raw(buf + i);
1126 break;
1128 monitor_printf(mon, " ");
1129 switch(format) {
1130 case 'o':
1131 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1132 break;
1133 case 'x':
1134 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1135 break;
1136 case 'u':
1137 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1138 break;
1139 case 'd':
1140 monitor_printf(mon, "%*" PRId64, max_digits, v);
1141 break;
1142 case 'c':
1143 monitor_printc(mon, v);
1144 break;
1146 i += wsize;
1148 monitor_printf(mon, "\n");
1149 addr += l;
1150 len -= l;
1154 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1156 int count = qdict_get_int(qdict, "count");
1157 int format = qdict_get_int(qdict, "format");
1158 int size = qdict_get_int(qdict, "size");
1159 target_long addr = qdict_get_int(qdict, "addr");
1161 memory_dump(mon, count, format, size, addr, 0);
1164 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1166 int count = qdict_get_int(qdict, "count");
1167 int format = qdict_get_int(qdict, "format");
1168 int size = qdict_get_int(qdict, "size");
1169 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1171 memory_dump(mon, count, format, size, addr, 1);
1174 static void do_print(Monitor *mon, const QDict *qdict)
1176 int format = qdict_get_int(qdict, "format");
1177 target_phys_addr_t val = qdict_get_int(qdict, "val");
1179 #if TARGET_PHYS_ADDR_BITS == 32
1180 switch(format) {
1181 case 'o':
1182 monitor_printf(mon, "%#o", val);
1183 break;
1184 case 'x':
1185 monitor_printf(mon, "%#x", val);
1186 break;
1187 case 'u':
1188 monitor_printf(mon, "%u", val);
1189 break;
1190 default:
1191 case 'd':
1192 monitor_printf(mon, "%d", val);
1193 break;
1194 case 'c':
1195 monitor_printc(mon, val);
1196 break;
1198 #else
1199 switch(format) {
1200 case 'o':
1201 monitor_printf(mon, "%#" PRIo64, val);
1202 break;
1203 case 'x':
1204 monitor_printf(mon, "%#" PRIx64, val);
1205 break;
1206 case 'u':
1207 monitor_printf(mon, "%" PRIu64, val);
1208 break;
1209 default:
1210 case 'd':
1211 monitor_printf(mon, "%" PRId64, val);
1212 break;
1213 case 'c':
1214 monitor_printc(mon, val);
1215 break;
1217 #endif
1218 monitor_printf(mon, "\n");
1221 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1223 FILE *f;
1224 uint32_t size = qdict_get_int(qdict, "size");
1225 const char *filename = qdict_get_str(qdict, "filename");
1226 target_long addr = qdict_get_int(qdict, "val");
1227 uint32_t l;
1228 CPUState *env;
1229 uint8_t buf[1024];
1231 env = mon_get_cpu();
1232 if (!env)
1233 return;
1235 f = fopen(filename, "wb");
1236 if (!f) {
1237 monitor_printf(mon, "could not open '%s'\n", filename);
1238 return;
1240 while (size != 0) {
1241 l = sizeof(buf);
1242 if (l > size)
1243 l = size;
1244 cpu_memory_rw_debug(env, addr, buf, l, 0);
1245 fwrite(buf, 1, l, f);
1246 addr += l;
1247 size -= l;
1249 fclose(f);
1252 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1253 QObject **ret_data)
1255 FILE *f;
1256 uint32_t l;
1257 uint8_t buf[1024];
1258 uint32_t size = qdict_get_int(qdict, "size");
1259 const char *filename = qdict_get_str(qdict, "filename");
1260 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1262 f = fopen(filename, "wb");
1263 if (!f) {
1264 monitor_printf(mon, "could not open '%s'\n", filename);
1265 return;
1267 while (size != 0) {
1268 l = sizeof(buf);
1269 if (l > size)
1270 l = size;
1271 cpu_physical_memory_rw(addr, buf, l, 0);
1272 fwrite(buf, 1, l, f);
1273 fflush(f);
1274 addr += l;
1275 size -= l;
1277 fclose(f);
1280 static void do_sum(Monitor *mon, const QDict *qdict)
1282 uint32_t addr;
1283 uint8_t buf[1];
1284 uint16_t sum;
1285 uint32_t start = qdict_get_int(qdict, "start");
1286 uint32_t size = qdict_get_int(qdict, "size");
1288 sum = 0;
1289 for(addr = start; addr < (start + size); addr++) {
1290 cpu_physical_memory_rw(addr, buf, 1, 0);
1291 /* BSD sum algorithm ('sum' Unix command) */
1292 sum = (sum >> 1) | (sum << 15);
1293 sum += buf[0];
1295 monitor_printf(mon, "%05d\n", sum);
1298 typedef struct {
1299 int keycode;
1300 const char *name;
1301 } KeyDef;
1303 static const KeyDef key_defs[] = {
1304 { 0x2a, "shift" },
1305 { 0x36, "shift_r" },
1307 { 0x38, "alt" },
1308 { 0xb8, "alt_r" },
1309 { 0x64, "altgr" },
1310 { 0xe4, "altgr_r" },
1311 { 0x1d, "ctrl" },
1312 { 0x9d, "ctrl_r" },
1314 { 0xdd, "menu" },
1316 { 0x01, "esc" },
1318 { 0x02, "1" },
1319 { 0x03, "2" },
1320 { 0x04, "3" },
1321 { 0x05, "4" },
1322 { 0x06, "5" },
1323 { 0x07, "6" },
1324 { 0x08, "7" },
1325 { 0x09, "8" },
1326 { 0x0a, "9" },
1327 { 0x0b, "0" },
1328 { 0x0c, "minus" },
1329 { 0x0d, "equal" },
1330 { 0x0e, "backspace" },
1332 { 0x0f, "tab" },
1333 { 0x10, "q" },
1334 { 0x11, "w" },
1335 { 0x12, "e" },
1336 { 0x13, "r" },
1337 { 0x14, "t" },
1338 { 0x15, "y" },
1339 { 0x16, "u" },
1340 { 0x17, "i" },
1341 { 0x18, "o" },
1342 { 0x19, "p" },
1344 { 0x1c, "ret" },
1346 { 0x1e, "a" },
1347 { 0x1f, "s" },
1348 { 0x20, "d" },
1349 { 0x21, "f" },
1350 { 0x22, "g" },
1351 { 0x23, "h" },
1352 { 0x24, "j" },
1353 { 0x25, "k" },
1354 { 0x26, "l" },
1356 { 0x2c, "z" },
1357 { 0x2d, "x" },
1358 { 0x2e, "c" },
1359 { 0x2f, "v" },
1360 { 0x30, "b" },
1361 { 0x31, "n" },
1362 { 0x32, "m" },
1363 { 0x33, "comma" },
1364 { 0x34, "dot" },
1365 { 0x35, "slash" },
1367 { 0x37, "asterisk" },
1369 { 0x39, "spc" },
1370 { 0x3a, "caps_lock" },
1371 { 0x3b, "f1" },
1372 { 0x3c, "f2" },
1373 { 0x3d, "f3" },
1374 { 0x3e, "f4" },
1375 { 0x3f, "f5" },
1376 { 0x40, "f6" },
1377 { 0x41, "f7" },
1378 { 0x42, "f8" },
1379 { 0x43, "f9" },
1380 { 0x44, "f10" },
1381 { 0x45, "num_lock" },
1382 { 0x46, "scroll_lock" },
1384 { 0xb5, "kp_divide" },
1385 { 0x37, "kp_multiply" },
1386 { 0x4a, "kp_subtract" },
1387 { 0x4e, "kp_add" },
1388 { 0x9c, "kp_enter" },
1389 { 0x53, "kp_decimal" },
1390 { 0x54, "sysrq" },
1392 { 0x52, "kp_0" },
1393 { 0x4f, "kp_1" },
1394 { 0x50, "kp_2" },
1395 { 0x51, "kp_3" },
1396 { 0x4b, "kp_4" },
1397 { 0x4c, "kp_5" },
1398 { 0x4d, "kp_6" },
1399 { 0x47, "kp_7" },
1400 { 0x48, "kp_8" },
1401 { 0x49, "kp_9" },
1403 { 0x56, "<" },
1405 { 0x57, "f11" },
1406 { 0x58, "f12" },
1408 { 0xb7, "print" },
1410 { 0xc7, "home" },
1411 { 0xc9, "pgup" },
1412 { 0xd1, "pgdn" },
1413 { 0xcf, "end" },
1415 { 0xcb, "left" },
1416 { 0xc8, "up" },
1417 { 0xd0, "down" },
1418 { 0xcd, "right" },
1420 { 0xd2, "insert" },
1421 { 0xd3, "delete" },
1422 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1423 { 0xf0, "stop" },
1424 { 0xf1, "again" },
1425 { 0xf2, "props" },
1426 { 0xf3, "undo" },
1427 { 0xf4, "front" },
1428 { 0xf5, "copy" },
1429 { 0xf6, "open" },
1430 { 0xf7, "paste" },
1431 { 0xf8, "find" },
1432 { 0xf9, "cut" },
1433 { 0xfa, "lf" },
1434 { 0xfb, "help" },
1435 { 0xfc, "meta_l" },
1436 { 0xfd, "meta_r" },
1437 { 0xfe, "compose" },
1438 #endif
1439 { 0, NULL },
1442 static int get_keycode(const char *key)
1444 const KeyDef *p;
1445 char *endp;
1446 int ret;
1448 for(p = key_defs; p->name != NULL; p++) {
1449 if (!strcmp(key, p->name))
1450 return p->keycode;
1452 if (strstart(key, "0x", NULL)) {
1453 ret = strtoul(key, &endp, 0);
1454 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1455 return ret;
1457 return -1;
1460 #define MAX_KEYCODES 16
1461 static uint8_t keycodes[MAX_KEYCODES];
1462 static int nb_pending_keycodes;
1463 static QEMUTimer *key_timer;
1465 static void release_keys(void *opaque)
1467 int keycode;
1469 while (nb_pending_keycodes > 0) {
1470 nb_pending_keycodes--;
1471 keycode = keycodes[nb_pending_keycodes];
1472 if (keycode & 0x80)
1473 kbd_put_keycode(0xe0);
1474 kbd_put_keycode(keycode | 0x80);
1478 static void do_sendkey(Monitor *mon, const QDict *qdict)
1480 char keyname_buf[16];
1481 char *separator;
1482 int keyname_len, keycode, i;
1483 const char *string = qdict_get_str(qdict, "string");
1484 int has_hold_time = qdict_haskey(qdict, "hold_time");
1485 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1487 if (nb_pending_keycodes > 0) {
1488 qemu_del_timer(key_timer);
1489 release_keys(NULL);
1491 if (!has_hold_time)
1492 hold_time = 100;
1493 i = 0;
1494 while (1) {
1495 separator = strchr(string, '-');
1496 keyname_len = separator ? separator - string : strlen(string);
1497 if (keyname_len > 0) {
1498 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1499 if (keyname_len > sizeof(keyname_buf) - 1) {
1500 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1501 return;
1503 if (i == MAX_KEYCODES) {
1504 monitor_printf(mon, "too many keys\n");
1505 return;
1507 keyname_buf[keyname_len] = 0;
1508 keycode = get_keycode(keyname_buf);
1509 if (keycode < 0) {
1510 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1511 return;
1513 keycodes[i++] = keycode;
1515 if (!separator)
1516 break;
1517 string = separator + 1;
1519 nb_pending_keycodes = i;
1520 /* key down events */
1521 for (i = 0; i < nb_pending_keycodes; i++) {
1522 keycode = keycodes[i];
1523 if (keycode & 0x80)
1524 kbd_put_keycode(0xe0);
1525 kbd_put_keycode(keycode & 0x7f);
1527 /* delayed key up events */
1528 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1529 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1532 static int mouse_button_state;
1534 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1536 int dx, dy, dz;
1537 const char *dx_str = qdict_get_str(qdict, "dx_str");
1538 const char *dy_str = qdict_get_str(qdict, "dy_str");
1539 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1540 dx = strtol(dx_str, NULL, 0);
1541 dy = strtol(dy_str, NULL, 0);
1542 dz = 0;
1543 if (dz_str)
1544 dz = strtol(dz_str, NULL, 0);
1545 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1548 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1550 int button_state = qdict_get_int(qdict, "button_state");
1551 mouse_button_state = button_state;
1552 kbd_mouse_event(0, 0, 0, mouse_button_state);
1555 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1557 int size = qdict_get_int(qdict, "size");
1558 int addr = qdict_get_int(qdict, "addr");
1559 int has_index = qdict_haskey(qdict, "index");
1560 uint32_t val;
1561 int suffix;
1563 if (has_index) {
1564 int index = qdict_get_int(qdict, "index");
1565 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1566 addr++;
1568 addr &= 0xffff;
1570 switch(size) {
1571 default:
1572 case 1:
1573 val = cpu_inb(addr);
1574 suffix = 'b';
1575 break;
1576 case 2:
1577 val = cpu_inw(addr);
1578 suffix = 'w';
1579 break;
1580 case 4:
1581 val = cpu_inl(addr);
1582 suffix = 'l';
1583 break;
1585 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1586 suffix, addr, size * 2, val);
1589 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1591 int size = qdict_get_int(qdict, "size");
1592 int addr = qdict_get_int(qdict, "addr");
1593 int val = qdict_get_int(qdict, "val");
1595 addr &= IOPORTS_MASK;
1597 switch (size) {
1598 default:
1599 case 1:
1600 cpu_outb(addr, val);
1601 break;
1602 case 2:
1603 cpu_outw(addr, val);
1604 break;
1605 case 4:
1606 cpu_outl(addr, val);
1607 break;
1611 static void do_boot_set(Monitor *mon, const QDict *qdict)
1613 int res;
1614 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1616 res = qemu_boot_set(bootdevice);
1617 if (res == 0) {
1618 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1619 } else if (res > 0) {
1620 monitor_printf(mon, "setting boot device list failed\n");
1621 } else {
1622 monitor_printf(mon, "no function defined to set boot device list for "
1623 "this architecture\n");
1628 * do_system_reset(): Issue a machine reset
1630 static void do_system_reset(Monitor *mon, const QDict *qdict,
1631 QObject **ret_data)
1633 qemu_system_reset_request();
1637 * do_system_powerdown(): Issue a machine powerdown
1639 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1640 QObject **ret_data)
1642 qemu_system_powerdown_request();
1645 #if defined(TARGET_I386)
1646 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1648 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1649 addr,
1650 pte & mask,
1651 pte & PG_GLOBAL_MASK ? 'G' : '-',
1652 pte & PG_PSE_MASK ? 'P' : '-',
1653 pte & PG_DIRTY_MASK ? 'D' : '-',
1654 pte & PG_ACCESSED_MASK ? 'A' : '-',
1655 pte & PG_PCD_MASK ? 'C' : '-',
1656 pte & PG_PWT_MASK ? 'T' : '-',
1657 pte & PG_USER_MASK ? 'U' : '-',
1658 pte & PG_RW_MASK ? 'W' : '-');
1661 static void tlb_info(Monitor *mon)
1663 CPUState *env;
1664 int l1, l2;
1665 uint32_t pgd, pde, pte;
1667 env = mon_get_cpu();
1668 if (!env)
1669 return;
1671 if (!(env->cr[0] & CR0_PG_MASK)) {
1672 monitor_printf(mon, "PG disabled\n");
1673 return;
1675 pgd = env->cr[3] & ~0xfff;
1676 for(l1 = 0; l1 < 1024; l1++) {
1677 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1678 pde = le32_to_cpu(pde);
1679 if (pde & PG_PRESENT_MASK) {
1680 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1681 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1682 } else {
1683 for(l2 = 0; l2 < 1024; l2++) {
1684 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1685 (uint8_t *)&pte, 4);
1686 pte = le32_to_cpu(pte);
1687 if (pte & PG_PRESENT_MASK) {
1688 print_pte(mon, (l1 << 22) + (l2 << 12),
1689 pte & ~PG_PSE_MASK,
1690 ~0xfff);
1698 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1699 uint32_t end, int prot)
1701 int prot1;
1702 prot1 = *plast_prot;
1703 if (prot != prot1) {
1704 if (*pstart != -1) {
1705 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1706 *pstart, end, end - *pstart,
1707 prot1 & PG_USER_MASK ? 'u' : '-',
1708 'r',
1709 prot1 & PG_RW_MASK ? 'w' : '-');
1711 if (prot != 0)
1712 *pstart = end;
1713 else
1714 *pstart = -1;
1715 *plast_prot = prot;
1719 static void mem_info(Monitor *mon)
1721 CPUState *env;
1722 int l1, l2, prot, last_prot;
1723 uint32_t pgd, pde, pte, start, end;
1725 env = mon_get_cpu();
1726 if (!env)
1727 return;
1729 if (!(env->cr[0] & CR0_PG_MASK)) {
1730 monitor_printf(mon, "PG disabled\n");
1731 return;
1733 pgd = env->cr[3] & ~0xfff;
1734 last_prot = 0;
1735 start = -1;
1736 for(l1 = 0; l1 < 1024; l1++) {
1737 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1738 pde = le32_to_cpu(pde);
1739 end = l1 << 22;
1740 if (pde & PG_PRESENT_MASK) {
1741 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1742 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1743 mem_print(mon, &start, &last_prot, end, prot);
1744 } else {
1745 for(l2 = 0; l2 < 1024; l2++) {
1746 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1747 (uint8_t *)&pte, 4);
1748 pte = le32_to_cpu(pte);
1749 end = (l1 << 22) + (l2 << 12);
1750 if (pte & PG_PRESENT_MASK) {
1751 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1752 } else {
1753 prot = 0;
1755 mem_print(mon, &start, &last_prot, end, prot);
1758 } else {
1759 prot = 0;
1760 mem_print(mon, &start, &last_prot, end, prot);
1764 #endif
1766 #if defined(TARGET_SH4)
1768 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1770 monitor_printf(mon, " tlb%i:\t"
1771 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1772 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1773 "dirty=%hhu writethrough=%hhu\n",
1774 idx,
1775 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1776 tlb->v, tlb->sh, tlb->c, tlb->pr,
1777 tlb->d, tlb->wt);
1780 static void tlb_info(Monitor *mon)
1782 CPUState *env = mon_get_cpu();
1783 int i;
1785 monitor_printf (mon, "ITLB:\n");
1786 for (i = 0 ; i < ITLB_SIZE ; i++)
1787 print_tlb (mon, i, &env->itlb[i]);
1788 monitor_printf (mon, "UTLB:\n");
1789 for (i = 0 ; i < UTLB_SIZE ; i++)
1790 print_tlb (mon, i, &env->utlb[i]);
1793 #endif
1795 static void do_info_kvm(Monitor *mon)
1797 #ifdef CONFIG_KVM
1798 monitor_printf(mon, "kvm support: ");
1799 if (kvm_enabled())
1800 monitor_printf(mon, "enabled\n");
1801 else
1802 monitor_printf(mon, "disabled\n");
1803 #else
1804 monitor_printf(mon, "kvm support: not compiled\n");
1805 #endif
1808 static void do_info_numa(Monitor *mon)
1810 int i;
1811 CPUState *env;
1813 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1814 for (i = 0; i < nb_numa_nodes; i++) {
1815 monitor_printf(mon, "node %d cpus:", i);
1816 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1817 if (env->numa_node == i) {
1818 monitor_printf(mon, " %d", env->cpu_index);
1821 monitor_printf(mon, "\n");
1822 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1823 node_mem[i] >> 20);
1827 #ifdef CONFIG_PROFILER
1829 int64_t qemu_time;
1830 int64_t dev_time;
1832 static void do_info_profile(Monitor *mon)
1834 int64_t total;
1835 total = qemu_time;
1836 if (total == 0)
1837 total = 1;
1838 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1839 dev_time, dev_time / (double)get_ticks_per_sec());
1840 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1841 qemu_time, qemu_time / (double)get_ticks_per_sec());
1842 qemu_time = 0;
1843 dev_time = 0;
1845 #else
1846 static void do_info_profile(Monitor *mon)
1848 monitor_printf(mon, "Internal profiler not compiled\n");
1850 #endif
1852 /* Capture support */
1853 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1855 static void do_info_capture(Monitor *mon)
1857 int i;
1858 CaptureState *s;
1860 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1861 monitor_printf(mon, "[%d]: ", i);
1862 s->ops.info (s->opaque);
1866 #ifdef HAS_AUDIO
1867 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1869 int i;
1870 int n = qdict_get_int(qdict, "n");
1871 CaptureState *s;
1873 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1874 if (i == n) {
1875 s->ops.destroy (s->opaque);
1876 QLIST_REMOVE (s, entries);
1877 qemu_free (s);
1878 return;
1883 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1885 const char *path = qdict_get_str(qdict, "path");
1886 int has_freq = qdict_haskey(qdict, "freq");
1887 int freq = qdict_get_try_int(qdict, "freq", -1);
1888 int has_bits = qdict_haskey(qdict, "bits");
1889 int bits = qdict_get_try_int(qdict, "bits", -1);
1890 int has_channels = qdict_haskey(qdict, "nchannels");
1891 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1892 CaptureState *s;
1894 s = qemu_mallocz (sizeof (*s));
1896 freq = has_freq ? freq : 44100;
1897 bits = has_bits ? bits : 16;
1898 nchannels = has_channels ? nchannels : 2;
1900 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1901 monitor_printf(mon, "Faied to add wave capture\n");
1902 qemu_free (s);
1904 QLIST_INSERT_HEAD (&capture_head, s, entries);
1906 #endif
1908 #if defined(TARGET_I386)
1909 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1911 CPUState *env;
1912 int cpu_index = qdict_get_int(qdict, "cpu_index");
1914 for (env = first_cpu; env != NULL; env = env->next_cpu)
1915 if (env->cpu_index == cpu_index) {
1916 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1917 break;
1920 #endif
1922 static void do_info_status(Monitor *mon)
1924 if (vm_running) {
1925 if (singlestep) {
1926 monitor_printf(mon, "VM status: running (single step mode)\n");
1927 } else {
1928 monitor_printf(mon, "VM status: running\n");
1930 } else
1931 monitor_printf(mon, "VM status: paused\n");
1935 * do_balloon(): Request VM to change its memory allocation
1937 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1939 int value = qdict_get_int(qdict, "value");
1940 ram_addr_t target = value;
1941 qemu_balloon(target << 20);
1944 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1946 QDict *qdict;
1948 qdict = qobject_to_qdict(data);
1950 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
1951 qdict_get_int(qdict, "balloon") >> 20);
1955 * do_info_balloon(): Balloon information
1957 * Return a QDict with the following information:
1959 * - "balloon": current balloon value in bytes
1961 * Example:
1963 * { "balloon": 1073741824 }
1965 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1967 ram_addr_t actual;
1969 actual = qemu_balloon_status();
1970 if (kvm_enabled() && !kvm_has_sync_mmu())
1971 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1972 else if (actual == 0)
1973 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1974 else
1975 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
1976 (int64_t) actual);
1979 static qemu_acl *find_acl(Monitor *mon, const char *name)
1981 qemu_acl *acl = qemu_acl_find(name);
1983 if (!acl) {
1984 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1986 return acl;
1989 static void do_acl_show(Monitor *mon, const QDict *qdict)
1991 const char *aclname = qdict_get_str(qdict, "aclname");
1992 qemu_acl *acl = find_acl(mon, aclname);
1993 qemu_acl_entry *entry;
1994 int i = 0;
1996 if (acl) {
1997 monitor_printf(mon, "policy: %s\n",
1998 acl->defaultDeny ? "deny" : "allow");
1999 QTAILQ_FOREACH(entry, &acl->entries, next) {
2000 i++;
2001 monitor_printf(mon, "%d: %s %s\n", i,
2002 entry->deny ? "deny" : "allow", entry->match);
2007 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2009 const char *aclname = qdict_get_str(qdict, "aclname");
2010 qemu_acl *acl = find_acl(mon, aclname);
2012 if (acl) {
2013 qemu_acl_reset(acl);
2014 monitor_printf(mon, "acl: removed all rules\n");
2018 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2020 const char *aclname = qdict_get_str(qdict, "aclname");
2021 const char *policy = qdict_get_str(qdict, "policy");
2022 qemu_acl *acl = find_acl(mon, aclname);
2024 if (acl) {
2025 if (strcmp(policy, "allow") == 0) {
2026 acl->defaultDeny = 0;
2027 monitor_printf(mon, "acl: policy set to 'allow'\n");
2028 } else if (strcmp(policy, "deny") == 0) {
2029 acl->defaultDeny = 1;
2030 monitor_printf(mon, "acl: policy set to 'deny'\n");
2031 } else {
2032 monitor_printf(mon, "acl: unknown policy '%s', "
2033 "expected 'deny' or 'allow'\n", policy);
2038 static void do_acl_add(Monitor *mon, const QDict *qdict)
2040 const char *aclname = qdict_get_str(qdict, "aclname");
2041 const char *match = qdict_get_str(qdict, "match");
2042 const char *policy = qdict_get_str(qdict, "policy");
2043 int has_index = qdict_haskey(qdict, "index");
2044 int index = qdict_get_try_int(qdict, "index", -1);
2045 qemu_acl *acl = find_acl(mon, aclname);
2046 int deny, ret;
2048 if (acl) {
2049 if (strcmp(policy, "allow") == 0) {
2050 deny = 0;
2051 } else if (strcmp(policy, "deny") == 0) {
2052 deny = 1;
2053 } else {
2054 monitor_printf(mon, "acl: unknown policy '%s', "
2055 "expected 'deny' or 'allow'\n", policy);
2056 return;
2058 if (has_index)
2059 ret = qemu_acl_insert(acl, deny, match, index);
2060 else
2061 ret = qemu_acl_append(acl, deny, match);
2062 if (ret < 0)
2063 monitor_printf(mon, "acl: unable to add acl entry\n");
2064 else
2065 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2069 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2071 const char *aclname = qdict_get_str(qdict, "aclname");
2072 const char *match = qdict_get_str(qdict, "match");
2073 qemu_acl *acl = find_acl(mon, aclname);
2074 int ret;
2076 if (acl) {
2077 ret = qemu_acl_remove(acl, match);
2078 if (ret < 0)
2079 monitor_printf(mon, "acl: no matching acl entry\n");
2080 else
2081 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2085 #if defined(TARGET_I386)
2086 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2088 CPUState *cenv;
2089 int cpu_index = qdict_get_int(qdict, "cpu_index");
2090 int bank = qdict_get_int(qdict, "bank");
2091 uint64_t status = qdict_get_int(qdict, "status");
2092 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2093 uint64_t addr = qdict_get_int(qdict, "addr");
2094 uint64_t misc = qdict_get_int(qdict, "misc");
2096 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2097 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2098 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2099 break;
2102 #endif
2104 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2106 const char *fdname = qdict_get_str(qdict, "fdname");
2107 mon_fd_t *monfd;
2108 int fd;
2110 fd = qemu_chr_get_msgfd(mon->chr);
2111 if (fd == -1) {
2112 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2113 return;
2116 if (qemu_isdigit(fdname[0])) {
2117 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2118 return;
2121 fd = dup(fd);
2122 if (fd == -1) {
2123 if (errno == EMFILE)
2124 qemu_error_new(QERR_TOO_MANY_FILES);
2125 else
2126 qemu_error_new(QERR_UNDEFINED_ERROR);
2127 return;
2130 QLIST_FOREACH(monfd, &mon->fds, next) {
2131 if (strcmp(monfd->name, fdname) != 0) {
2132 continue;
2135 close(monfd->fd);
2136 monfd->fd = fd;
2137 return;
2140 monfd = qemu_mallocz(sizeof(mon_fd_t));
2141 monfd->name = qemu_strdup(fdname);
2142 monfd->fd = fd;
2144 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2147 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2149 const char *fdname = qdict_get_str(qdict, "fdname");
2150 mon_fd_t *monfd;
2152 QLIST_FOREACH(monfd, &mon->fds, next) {
2153 if (strcmp(monfd->name, fdname) != 0) {
2154 continue;
2157 QLIST_REMOVE(monfd, next);
2158 close(monfd->fd);
2159 qemu_free(monfd->name);
2160 qemu_free(monfd);
2161 return;
2164 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2167 static void do_loadvm(Monitor *mon, const QDict *qdict)
2169 int saved_vm_running = vm_running;
2170 const char *name = qdict_get_str(qdict, "name");
2172 vm_stop(0);
2174 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2175 vm_start();
2178 int monitor_get_fd(Monitor *mon, const char *fdname)
2180 mon_fd_t *monfd;
2182 QLIST_FOREACH(monfd, &mon->fds, next) {
2183 int fd;
2185 if (strcmp(monfd->name, fdname) != 0) {
2186 continue;
2189 fd = monfd->fd;
2191 /* caller takes ownership of fd */
2192 QLIST_REMOVE(monfd, next);
2193 qemu_free(monfd->name);
2194 qemu_free(monfd);
2196 return fd;
2199 return -1;
2202 static const mon_cmd_t mon_cmds[] = {
2203 #include "qemu-monitor.h"
2204 { NULL, NULL, },
2207 /* Please update qemu-monitor.hx when adding or changing commands */
2208 static const mon_cmd_t info_cmds[] = {
2210 .name = "version",
2211 .args_type = "",
2212 .params = "",
2213 .help = "show the version of QEMU",
2214 .user_print = monitor_print_qobject,
2215 .mhandler.info_new = do_info_version,
2218 .name = "commands",
2219 .args_type = "",
2220 .params = "",
2221 .help = "list QMP available commands",
2222 .user_print = monitor_user_noop,
2223 .mhandler.info_new = do_info_commands,
2226 .name = "network",
2227 .args_type = "",
2228 .params = "",
2229 .help = "show the network state",
2230 .mhandler.info = do_info_network,
2233 .name = "chardev",
2234 .args_type = "",
2235 .params = "",
2236 .help = "show the character devices",
2237 .mhandler.info = qemu_chr_info,
2240 .name = "block",
2241 .args_type = "",
2242 .params = "",
2243 .help = "show the block devices",
2244 .mhandler.info = bdrv_info,
2247 .name = "blockstats",
2248 .args_type = "",
2249 .params = "",
2250 .help = "show block device statistics",
2251 .mhandler.info = bdrv_info_stats,
2254 .name = "registers",
2255 .args_type = "",
2256 .params = "",
2257 .help = "show the cpu registers",
2258 .mhandler.info = do_info_registers,
2261 .name = "cpus",
2262 .args_type = "",
2263 .params = "",
2264 .help = "show infos for each CPU",
2265 .user_print = monitor_print_cpus,
2266 .mhandler.info_new = do_info_cpus,
2269 .name = "history",
2270 .args_type = "",
2271 .params = "",
2272 .help = "show the command line history",
2273 .mhandler.info = do_info_history,
2276 .name = "irq",
2277 .args_type = "",
2278 .params = "",
2279 .help = "show the interrupts statistics (if available)",
2280 .mhandler.info = irq_info,
2283 .name = "pic",
2284 .args_type = "",
2285 .params = "",
2286 .help = "show i8259 (PIC) state",
2287 .mhandler.info = pic_info,
2290 .name = "pci",
2291 .args_type = "",
2292 .params = "",
2293 .help = "show PCI info",
2294 .mhandler.info = pci_info,
2296 #if defined(TARGET_I386) || defined(TARGET_SH4)
2298 .name = "tlb",
2299 .args_type = "",
2300 .params = "",
2301 .help = "show virtual to physical memory mappings",
2302 .mhandler.info = tlb_info,
2304 #endif
2305 #if defined(TARGET_I386)
2307 .name = "mem",
2308 .args_type = "",
2309 .params = "",
2310 .help = "show the active virtual memory mappings",
2311 .mhandler.info = mem_info,
2314 .name = "hpet",
2315 .args_type = "",
2316 .params = "",
2317 .help = "show state of HPET",
2318 .mhandler.info = do_info_hpet,
2320 #endif
2322 .name = "jit",
2323 .args_type = "",
2324 .params = "",
2325 .help = "show dynamic compiler info",
2326 .mhandler.info = do_info_jit,
2329 .name = "kvm",
2330 .args_type = "",
2331 .params = "",
2332 .help = "show KVM information",
2333 .mhandler.info = do_info_kvm,
2336 .name = "numa",
2337 .args_type = "",
2338 .params = "",
2339 .help = "show NUMA information",
2340 .mhandler.info = do_info_numa,
2343 .name = "usb",
2344 .args_type = "",
2345 .params = "",
2346 .help = "show guest USB devices",
2347 .mhandler.info = usb_info,
2350 .name = "usbhost",
2351 .args_type = "",
2352 .params = "",
2353 .help = "show host USB devices",
2354 .mhandler.info = usb_host_info,
2357 .name = "profile",
2358 .args_type = "",
2359 .params = "",
2360 .help = "show profiling information",
2361 .mhandler.info = do_info_profile,
2364 .name = "capture",
2365 .args_type = "",
2366 .params = "",
2367 .help = "show capture information",
2368 .mhandler.info = do_info_capture,
2371 .name = "snapshots",
2372 .args_type = "",
2373 .params = "",
2374 .help = "show the currently saved VM snapshots",
2375 .mhandler.info = do_info_snapshots,
2378 .name = "status",
2379 .args_type = "",
2380 .params = "",
2381 .help = "show the current VM status (running|paused)",
2382 .mhandler.info = do_info_status,
2385 .name = "pcmcia",
2386 .args_type = "",
2387 .params = "",
2388 .help = "show guest PCMCIA status",
2389 .mhandler.info = pcmcia_info,
2392 .name = "mice",
2393 .args_type = "",
2394 .params = "",
2395 .help = "show which guest mouse is receiving events",
2396 .mhandler.info = do_info_mice,
2399 .name = "vnc",
2400 .args_type = "",
2401 .params = "",
2402 .help = "show the vnc server status",
2403 .mhandler.info = do_info_vnc,
2406 .name = "name",
2407 .args_type = "",
2408 .params = "",
2409 .help = "show the current VM name",
2410 .mhandler.info = do_info_name,
2413 .name = "uuid",
2414 .args_type = "",
2415 .params = "",
2416 .help = "show the current VM UUID",
2417 .mhandler.info = do_info_uuid,
2419 #if defined(TARGET_PPC)
2421 .name = "cpustats",
2422 .args_type = "",
2423 .params = "",
2424 .help = "show CPU statistics",
2425 .mhandler.info = do_info_cpu_stats,
2427 #endif
2428 #if defined(CONFIG_SLIRP)
2430 .name = "usernet",
2431 .args_type = "",
2432 .params = "",
2433 .help = "show user network stack connection states",
2434 .mhandler.info = do_info_usernet,
2436 #endif
2438 .name = "migrate",
2439 .args_type = "",
2440 .params = "",
2441 .help = "show migration status",
2442 .mhandler.info = do_info_migrate,
2445 .name = "balloon",
2446 .args_type = "",
2447 .params = "",
2448 .help = "show balloon information",
2449 .user_print = monitor_print_balloon,
2450 .mhandler.info_new = do_info_balloon,
2453 .name = "qtree",
2454 .args_type = "",
2455 .params = "",
2456 .help = "show device tree",
2457 .mhandler.info = do_info_qtree,
2460 .name = "qdm",
2461 .args_type = "",
2462 .params = "",
2463 .help = "show qdev device model list",
2464 .mhandler.info = do_info_qdm,
2467 .name = "roms",
2468 .args_type = "",
2469 .params = "",
2470 .help = "show roms",
2471 .mhandler.info = do_info_roms,
2474 .name = NULL,
2478 /*******************************************************************/
2480 static const char *pch;
2481 static jmp_buf expr_env;
2483 #define MD_TLONG 0
2484 #define MD_I32 1
2486 typedef struct MonitorDef {
2487 const char *name;
2488 int offset;
2489 target_long (*get_value)(const struct MonitorDef *md, int val);
2490 int type;
2491 } MonitorDef;
2493 #if defined(TARGET_I386)
2494 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2496 CPUState *env = mon_get_cpu();
2497 if (!env)
2498 return 0;
2499 return env->eip + env->segs[R_CS].base;
2501 #endif
2503 #if defined(TARGET_PPC)
2504 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2506 CPUState *env = mon_get_cpu();
2507 unsigned int u;
2508 int i;
2510 if (!env)
2511 return 0;
2513 u = 0;
2514 for (i = 0; i < 8; i++)
2515 u |= env->crf[i] << (32 - (4 * i));
2517 return u;
2520 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2522 CPUState *env = mon_get_cpu();
2523 if (!env)
2524 return 0;
2525 return env->msr;
2528 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2530 CPUState *env = mon_get_cpu();
2531 if (!env)
2532 return 0;
2533 return env->xer;
2536 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2538 CPUState *env = mon_get_cpu();
2539 if (!env)
2540 return 0;
2541 return cpu_ppc_load_decr(env);
2544 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2546 CPUState *env = mon_get_cpu();
2547 if (!env)
2548 return 0;
2549 return cpu_ppc_load_tbu(env);
2552 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2554 CPUState *env = mon_get_cpu();
2555 if (!env)
2556 return 0;
2557 return cpu_ppc_load_tbl(env);
2559 #endif
2561 #if defined(TARGET_SPARC)
2562 #ifndef TARGET_SPARC64
2563 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2565 CPUState *env = mon_get_cpu();
2566 if (!env)
2567 return 0;
2568 return GET_PSR(env);
2570 #endif
2572 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2574 CPUState *env = mon_get_cpu();
2575 if (!env)
2576 return 0;
2577 return env->regwptr[val];
2579 #endif
2581 static const MonitorDef monitor_defs[] = {
2582 #ifdef TARGET_I386
2584 #define SEG(name, seg) \
2585 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2586 { name ".base", offsetof(CPUState, segs[seg].base) },\
2587 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2589 { "eax", offsetof(CPUState, regs[0]) },
2590 { "ecx", offsetof(CPUState, regs[1]) },
2591 { "edx", offsetof(CPUState, regs[2]) },
2592 { "ebx", offsetof(CPUState, regs[3]) },
2593 { "esp|sp", offsetof(CPUState, regs[4]) },
2594 { "ebp|fp", offsetof(CPUState, regs[5]) },
2595 { "esi", offsetof(CPUState, regs[6]) },
2596 { "edi", offsetof(CPUState, regs[7]) },
2597 #ifdef TARGET_X86_64
2598 { "r8", offsetof(CPUState, regs[8]) },
2599 { "r9", offsetof(CPUState, regs[9]) },
2600 { "r10", offsetof(CPUState, regs[10]) },
2601 { "r11", offsetof(CPUState, regs[11]) },
2602 { "r12", offsetof(CPUState, regs[12]) },
2603 { "r13", offsetof(CPUState, regs[13]) },
2604 { "r14", offsetof(CPUState, regs[14]) },
2605 { "r15", offsetof(CPUState, regs[15]) },
2606 #endif
2607 { "eflags", offsetof(CPUState, eflags) },
2608 { "eip", offsetof(CPUState, eip) },
2609 SEG("cs", R_CS)
2610 SEG("ds", R_DS)
2611 SEG("es", R_ES)
2612 SEG("ss", R_SS)
2613 SEG("fs", R_FS)
2614 SEG("gs", R_GS)
2615 { "pc", 0, monitor_get_pc, },
2616 #elif defined(TARGET_PPC)
2617 /* General purpose registers */
2618 { "r0", offsetof(CPUState, gpr[0]) },
2619 { "r1", offsetof(CPUState, gpr[1]) },
2620 { "r2", offsetof(CPUState, gpr[2]) },
2621 { "r3", offsetof(CPUState, gpr[3]) },
2622 { "r4", offsetof(CPUState, gpr[4]) },
2623 { "r5", offsetof(CPUState, gpr[5]) },
2624 { "r6", offsetof(CPUState, gpr[6]) },
2625 { "r7", offsetof(CPUState, gpr[7]) },
2626 { "r8", offsetof(CPUState, gpr[8]) },
2627 { "r9", offsetof(CPUState, gpr[9]) },
2628 { "r10", offsetof(CPUState, gpr[10]) },
2629 { "r11", offsetof(CPUState, gpr[11]) },
2630 { "r12", offsetof(CPUState, gpr[12]) },
2631 { "r13", offsetof(CPUState, gpr[13]) },
2632 { "r14", offsetof(CPUState, gpr[14]) },
2633 { "r15", offsetof(CPUState, gpr[15]) },
2634 { "r16", offsetof(CPUState, gpr[16]) },
2635 { "r17", offsetof(CPUState, gpr[17]) },
2636 { "r18", offsetof(CPUState, gpr[18]) },
2637 { "r19", offsetof(CPUState, gpr[19]) },
2638 { "r20", offsetof(CPUState, gpr[20]) },
2639 { "r21", offsetof(CPUState, gpr[21]) },
2640 { "r22", offsetof(CPUState, gpr[22]) },
2641 { "r23", offsetof(CPUState, gpr[23]) },
2642 { "r24", offsetof(CPUState, gpr[24]) },
2643 { "r25", offsetof(CPUState, gpr[25]) },
2644 { "r26", offsetof(CPUState, gpr[26]) },
2645 { "r27", offsetof(CPUState, gpr[27]) },
2646 { "r28", offsetof(CPUState, gpr[28]) },
2647 { "r29", offsetof(CPUState, gpr[29]) },
2648 { "r30", offsetof(CPUState, gpr[30]) },
2649 { "r31", offsetof(CPUState, gpr[31]) },
2650 /* Floating point registers */
2651 { "f0", offsetof(CPUState, fpr[0]) },
2652 { "f1", offsetof(CPUState, fpr[1]) },
2653 { "f2", offsetof(CPUState, fpr[2]) },
2654 { "f3", offsetof(CPUState, fpr[3]) },
2655 { "f4", offsetof(CPUState, fpr[4]) },
2656 { "f5", offsetof(CPUState, fpr[5]) },
2657 { "f6", offsetof(CPUState, fpr[6]) },
2658 { "f7", offsetof(CPUState, fpr[7]) },
2659 { "f8", offsetof(CPUState, fpr[8]) },
2660 { "f9", offsetof(CPUState, fpr[9]) },
2661 { "f10", offsetof(CPUState, fpr[10]) },
2662 { "f11", offsetof(CPUState, fpr[11]) },
2663 { "f12", offsetof(CPUState, fpr[12]) },
2664 { "f13", offsetof(CPUState, fpr[13]) },
2665 { "f14", offsetof(CPUState, fpr[14]) },
2666 { "f15", offsetof(CPUState, fpr[15]) },
2667 { "f16", offsetof(CPUState, fpr[16]) },
2668 { "f17", offsetof(CPUState, fpr[17]) },
2669 { "f18", offsetof(CPUState, fpr[18]) },
2670 { "f19", offsetof(CPUState, fpr[19]) },
2671 { "f20", offsetof(CPUState, fpr[20]) },
2672 { "f21", offsetof(CPUState, fpr[21]) },
2673 { "f22", offsetof(CPUState, fpr[22]) },
2674 { "f23", offsetof(CPUState, fpr[23]) },
2675 { "f24", offsetof(CPUState, fpr[24]) },
2676 { "f25", offsetof(CPUState, fpr[25]) },
2677 { "f26", offsetof(CPUState, fpr[26]) },
2678 { "f27", offsetof(CPUState, fpr[27]) },
2679 { "f28", offsetof(CPUState, fpr[28]) },
2680 { "f29", offsetof(CPUState, fpr[29]) },
2681 { "f30", offsetof(CPUState, fpr[30]) },
2682 { "f31", offsetof(CPUState, fpr[31]) },
2683 { "fpscr", offsetof(CPUState, fpscr) },
2684 /* Next instruction pointer */
2685 { "nip|pc", offsetof(CPUState, nip) },
2686 { "lr", offsetof(CPUState, lr) },
2687 { "ctr", offsetof(CPUState, ctr) },
2688 { "decr", 0, &monitor_get_decr, },
2689 { "ccr", 0, &monitor_get_ccr, },
2690 /* Machine state register */
2691 { "msr", 0, &monitor_get_msr, },
2692 { "xer", 0, &monitor_get_xer, },
2693 { "tbu", 0, &monitor_get_tbu, },
2694 { "tbl", 0, &monitor_get_tbl, },
2695 #if defined(TARGET_PPC64)
2696 /* Address space register */
2697 { "asr", offsetof(CPUState, asr) },
2698 #endif
2699 /* Segment registers */
2700 { "sdr1", offsetof(CPUState, sdr1) },
2701 { "sr0", offsetof(CPUState, sr[0]) },
2702 { "sr1", offsetof(CPUState, sr[1]) },
2703 { "sr2", offsetof(CPUState, sr[2]) },
2704 { "sr3", offsetof(CPUState, sr[3]) },
2705 { "sr4", offsetof(CPUState, sr[4]) },
2706 { "sr5", offsetof(CPUState, sr[5]) },
2707 { "sr6", offsetof(CPUState, sr[6]) },
2708 { "sr7", offsetof(CPUState, sr[7]) },
2709 { "sr8", offsetof(CPUState, sr[8]) },
2710 { "sr9", offsetof(CPUState, sr[9]) },
2711 { "sr10", offsetof(CPUState, sr[10]) },
2712 { "sr11", offsetof(CPUState, sr[11]) },
2713 { "sr12", offsetof(CPUState, sr[12]) },
2714 { "sr13", offsetof(CPUState, sr[13]) },
2715 { "sr14", offsetof(CPUState, sr[14]) },
2716 { "sr15", offsetof(CPUState, sr[15]) },
2717 /* Too lazy to put BATs and SPRs ... */
2718 #elif defined(TARGET_SPARC)
2719 { "g0", offsetof(CPUState, gregs[0]) },
2720 { "g1", offsetof(CPUState, gregs[1]) },
2721 { "g2", offsetof(CPUState, gregs[2]) },
2722 { "g3", offsetof(CPUState, gregs[3]) },
2723 { "g4", offsetof(CPUState, gregs[4]) },
2724 { "g5", offsetof(CPUState, gregs[5]) },
2725 { "g6", offsetof(CPUState, gregs[6]) },
2726 { "g7", offsetof(CPUState, gregs[7]) },
2727 { "o0", 0, monitor_get_reg },
2728 { "o1", 1, monitor_get_reg },
2729 { "o2", 2, monitor_get_reg },
2730 { "o3", 3, monitor_get_reg },
2731 { "o4", 4, monitor_get_reg },
2732 { "o5", 5, monitor_get_reg },
2733 { "o6", 6, monitor_get_reg },
2734 { "o7", 7, monitor_get_reg },
2735 { "l0", 8, monitor_get_reg },
2736 { "l1", 9, monitor_get_reg },
2737 { "l2", 10, monitor_get_reg },
2738 { "l3", 11, monitor_get_reg },
2739 { "l4", 12, monitor_get_reg },
2740 { "l5", 13, monitor_get_reg },
2741 { "l6", 14, monitor_get_reg },
2742 { "l7", 15, monitor_get_reg },
2743 { "i0", 16, monitor_get_reg },
2744 { "i1", 17, monitor_get_reg },
2745 { "i2", 18, monitor_get_reg },
2746 { "i3", 19, monitor_get_reg },
2747 { "i4", 20, monitor_get_reg },
2748 { "i5", 21, monitor_get_reg },
2749 { "i6", 22, monitor_get_reg },
2750 { "i7", 23, monitor_get_reg },
2751 { "pc", offsetof(CPUState, pc) },
2752 { "npc", offsetof(CPUState, npc) },
2753 { "y", offsetof(CPUState, y) },
2754 #ifndef TARGET_SPARC64
2755 { "psr", 0, &monitor_get_psr, },
2756 { "wim", offsetof(CPUState, wim) },
2757 #endif
2758 { "tbr", offsetof(CPUState, tbr) },
2759 { "fsr", offsetof(CPUState, fsr) },
2760 { "f0", offsetof(CPUState, fpr[0]) },
2761 { "f1", offsetof(CPUState, fpr[1]) },
2762 { "f2", offsetof(CPUState, fpr[2]) },
2763 { "f3", offsetof(CPUState, fpr[3]) },
2764 { "f4", offsetof(CPUState, fpr[4]) },
2765 { "f5", offsetof(CPUState, fpr[5]) },
2766 { "f6", offsetof(CPUState, fpr[6]) },
2767 { "f7", offsetof(CPUState, fpr[7]) },
2768 { "f8", offsetof(CPUState, fpr[8]) },
2769 { "f9", offsetof(CPUState, fpr[9]) },
2770 { "f10", offsetof(CPUState, fpr[10]) },
2771 { "f11", offsetof(CPUState, fpr[11]) },
2772 { "f12", offsetof(CPUState, fpr[12]) },
2773 { "f13", offsetof(CPUState, fpr[13]) },
2774 { "f14", offsetof(CPUState, fpr[14]) },
2775 { "f15", offsetof(CPUState, fpr[15]) },
2776 { "f16", offsetof(CPUState, fpr[16]) },
2777 { "f17", offsetof(CPUState, fpr[17]) },
2778 { "f18", offsetof(CPUState, fpr[18]) },
2779 { "f19", offsetof(CPUState, fpr[19]) },
2780 { "f20", offsetof(CPUState, fpr[20]) },
2781 { "f21", offsetof(CPUState, fpr[21]) },
2782 { "f22", offsetof(CPUState, fpr[22]) },
2783 { "f23", offsetof(CPUState, fpr[23]) },
2784 { "f24", offsetof(CPUState, fpr[24]) },
2785 { "f25", offsetof(CPUState, fpr[25]) },
2786 { "f26", offsetof(CPUState, fpr[26]) },
2787 { "f27", offsetof(CPUState, fpr[27]) },
2788 { "f28", offsetof(CPUState, fpr[28]) },
2789 { "f29", offsetof(CPUState, fpr[29]) },
2790 { "f30", offsetof(CPUState, fpr[30]) },
2791 { "f31", offsetof(CPUState, fpr[31]) },
2792 #ifdef TARGET_SPARC64
2793 { "f32", offsetof(CPUState, fpr[32]) },
2794 { "f34", offsetof(CPUState, fpr[34]) },
2795 { "f36", offsetof(CPUState, fpr[36]) },
2796 { "f38", offsetof(CPUState, fpr[38]) },
2797 { "f40", offsetof(CPUState, fpr[40]) },
2798 { "f42", offsetof(CPUState, fpr[42]) },
2799 { "f44", offsetof(CPUState, fpr[44]) },
2800 { "f46", offsetof(CPUState, fpr[46]) },
2801 { "f48", offsetof(CPUState, fpr[48]) },
2802 { "f50", offsetof(CPUState, fpr[50]) },
2803 { "f52", offsetof(CPUState, fpr[52]) },
2804 { "f54", offsetof(CPUState, fpr[54]) },
2805 { "f56", offsetof(CPUState, fpr[56]) },
2806 { "f58", offsetof(CPUState, fpr[58]) },
2807 { "f60", offsetof(CPUState, fpr[60]) },
2808 { "f62", offsetof(CPUState, fpr[62]) },
2809 { "asi", offsetof(CPUState, asi) },
2810 { "pstate", offsetof(CPUState, pstate) },
2811 { "cansave", offsetof(CPUState, cansave) },
2812 { "canrestore", offsetof(CPUState, canrestore) },
2813 { "otherwin", offsetof(CPUState, otherwin) },
2814 { "wstate", offsetof(CPUState, wstate) },
2815 { "cleanwin", offsetof(CPUState, cleanwin) },
2816 { "fprs", offsetof(CPUState, fprs) },
2817 #endif
2818 #endif
2819 { NULL },
2822 static void expr_error(Monitor *mon, const char *msg)
2824 monitor_printf(mon, "%s\n", msg);
2825 longjmp(expr_env, 1);
2828 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2829 static int get_monitor_def(target_long *pval, const char *name)
2831 const MonitorDef *md;
2832 void *ptr;
2834 for(md = monitor_defs; md->name != NULL; md++) {
2835 if (compare_cmd(name, md->name)) {
2836 if (md->get_value) {
2837 *pval = md->get_value(md, md->offset);
2838 } else {
2839 CPUState *env = mon_get_cpu();
2840 if (!env)
2841 return -2;
2842 ptr = (uint8_t *)env + md->offset;
2843 switch(md->type) {
2844 case MD_I32:
2845 *pval = *(int32_t *)ptr;
2846 break;
2847 case MD_TLONG:
2848 *pval = *(target_long *)ptr;
2849 break;
2850 default:
2851 *pval = 0;
2852 break;
2855 return 0;
2858 return -1;
2861 static void next(void)
2863 if (*pch != '\0') {
2864 pch++;
2865 while (qemu_isspace(*pch))
2866 pch++;
2870 static int64_t expr_sum(Monitor *mon);
2872 static int64_t expr_unary(Monitor *mon)
2874 int64_t n;
2875 char *p;
2876 int ret;
2878 switch(*pch) {
2879 case '+':
2880 next();
2881 n = expr_unary(mon);
2882 break;
2883 case '-':
2884 next();
2885 n = -expr_unary(mon);
2886 break;
2887 case '~':
2888 next();
2889 n = ~expr_unary(mon);
2890 break;
2891 case '(':
2892 next();
2893 n = expr_sum(mon);
2894 if (*pch != ')') {
2895 expr_error(mon, "')' expected");
2897 next();
2898 break;
2899 case '\'':
2900 pch++;
2901 if (*pch == '\0')
2902 expr_error(mon, "character constant expected");
2903 n = *pch;
2904 pch++;
2905 if (*pch != '\'')
2906 expr_error(mon, "missing terminating \' character");
2907 next();
2908 break;
2909 case '$':
2911 char buf[128], *q;
2912 target_long reg=0;
2914 pch++;
2915 q = buf;
2916 while ((*pch >= 'a' && *pch <= 'z') ||
2917 (*pch >= 'A' && *pch <= 'Z') ||
2918 (*pch >= '0' && *pch <= '9') ||
2919 *pch == '_' || *pch == '.') {
2920 if ((q - buf) < sizeof(buf) - 1)
2921 *q++ = *pch;
2922 pch++;
2924 while (qemu_isspace(*pch))
2925 pch++;
2926 *q = 0;
2927 ret = get_monitor_def(&reg, buf);
2928 if (ret == -1)
2929 expr_error(mon, "unknown register");
2930 else if (ret == -2)
2931 expr_error(mon, "no cpu defined");
2932 n = reg;
2934 break;
2935 case '\0':
2936 expr_error(mon, "unexpected end of expression");
2937 n = 0;
2938 break;
2939 default:
2940 #if TARGET_PHYS_ADDR_BITS > 32
2941 n = strtoull(pch, &p, 0);
2942 #else
2943 n = strtoul(pch, &p, 0);
2944 #endif
2945 if (pch == p) {
2946 expr_error(mon, "invalid char in expression");
2948 pch = p;
2949 while (qemu_isspace(*pch))
2950 pch++;
2951 break;
2953 return n;
2957 static int64_t expr_prod(Monitor *mon)
2959 int64_t val, val2;
2960 int op;
2962 val = expr_unary(mon);
2963 for(;;) {
2964 op = *pch;
2965 if (op != '*' && op != '/' && op != '%')
2966 break;
2967 next();
2968 val2 = expr_unary(mon);
2969 switch(op) {
2970 default:
2971 case '*':
2972 val *= val2;
2973 break;
2974 case '/':
2975 case '%':
2976 if (val2 == 0)
2977 expr_error(mon, "division by zero");
2978 if (op == '/')
2979 val /= val2;
2980 else
2981 val %= val2;
2982 break;
2985 return val;
2988 static int64_t expr_logic(Monitor *mon)
2990 int64_t val, val2;
2991 int op;
2993 val = expr_prod(mon);
2994 for(;;) {
2995 op = *pch;
2996 if (op != '&' && op != '|' && op != '^')
2997 break;
2998 next();
2999 val2 = expr_prod(mon);
3000 switch(op) {
3001 default:
3002 case '&':
3003 val &= val2;
3004 break;
3005 case '|':
3006 val |= val2;
3007 break;
3008 case '^':
3009 val ^= val2;
3010 break;
3013 return val;
3016 static int64_t expr_sum(Monitor *mon)
3018 int64_t val, val2;
3019 int op;
3021 val = expr_logic(mon);
3022 for(;;) {
3023 op = *pch;
3024 if (op != '+' && op != '-')
3025 break;
3026 next();
3027 val2 = expr_logic(mon);
3028 if (op == '+')
3029 val += val2;
3030 else
3031 val -= val2;
3033 return val;
3036 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3038 pch = *pp;
3039 if (setjmp(expr_env)) {
3040 *pp = pch;
3041 return -1;
3043 while (qemu_isspace(*pch))
3044 pch++;
3045 *pval = expr_sum(mon);
3046 *pp = pch;
3047 return 0;
3050 static int get_str(char *buf, int buf_size, const char **pp)
3052 const char *p;
3053 char *q;
3054 int c;
3056 q = buf;
3057 p = *pp;
3058 while (qemu_isspace(*p))
3059 p++;
3060 if (*p == '\0') {
3061 fail:
3062 *q = '\0';
3063 *pp = p;
3064 return -1;
3066 if (*p == '\"') {
3067 p++;
3068 while (*p != '\0' && *p != '\"') {
3069 if (*p == '\\') {
3070 p++;
3071 c = *p++;
3072 switch(c) {
3073 case 'n':
3074 c = '\n';
3075 break;
3076 case 'r':
3077 c = '\r';
3078 break;
3079 case '\\':
3080 case '\'':
3081 case '\"':
3082 break;
3083 default:
3084 qemu_printf("unsupported escape code: '\\%c'\n", c);
3085 goto fail;
3087 if ((q - buf) < buf_size - 1) {
3088 *q++ = c;
3090 } else {
3091 if ((q - buf) < buf_size - 1) {
3092 *q++ = *p;
3094 p++;
3097 if (*p != '\"') {
3098 qemu_printf("unterminated string\n");
3099 goto fail;
3101 p++;
3102 } else {
3103 while (*p != '\0' && !qemu_isspace(*p)) {
3104 if ((q - buf) < buf_size - 1) {
3105 *q++ = *p;
3107 p++;
3110 *q = '\0';
3111 *pp = p;
3112 return 0;
3116 * Store the command-name in cmdname, and return a pointer to
3117 * the remaining of the command string.
3119 static const char *get_command_name(const char *cmdline,
3120 char *cmdname, size_t nlen)
3122 size_t len;
3123 const char *p, *pstart;
3125 p = cmdline;
3126 while (qemu_isspace(*p))
3127 p++;
3128 if (*p == '\0')
3129 return NULL;
3130 pstart = p;
3131 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3132 p++;
3133 len = p - pstart;
3134 if (len > nlen - 1)
3135 len = nlen - 1;
3136 memcpy(cmdname, pstart, len);
3137 cmdname[len] = '\0';
3138 return p;
3142 * Read key of 'type' into 'key' and return the current
3143 * 'type' pointer.
3145 static char *key_get_info(const char *type, char **key)
3147 size_t len;
3148 char *p, *str;
3150 if (*type == ',')
3151 type++;
3153 p = strchr(type, ':');
3154 if (!p) {
3155 *key = NULL;
3156 return NULL;
3158 len = p - type;
3160 str = qemu_malloc(len + 1);
3161 memcpy(str, type, len);
3162 str[len] = '\0';
3164 *key = str;
3165 return ++p;
3168 static int default_fmt_format = 'x';
3169 static int default_fmt_size = 4;
3171 #define MAX_ARGS 16
3173 static int is_valid_option(const char *c, const char *typestr)
3175 char option[3];
3177 option[0] = '-';
3178 option[1] = *c;
3179 option[2] = '\0';
3181 typestr = strstr(typestr, option);
3182 return (typestr != NULL);
3185 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3187 const mon_cmd_t *cmd;
3189 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3190 if (compare_cmd(cmdname, cmd->name)) {
3191 return cmd;
3195 return NULL;
3198 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3199 const char *cmdline,
3200 QDict *qdict)
3202 const char *p, *typestr;
3203 int c;
3204 const mon_cmd_t *cmd;
3205 char cmdname[256];
3206 char buf[1024];
3207 char *key;
3209 #ifdef DEBUG
3210 monitor_printf(mon, "command='%s'\n", cmdline);
3211 #endif
3213 /* extract the command name */
3214 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3215 if (!p)
3216 return NULL;
3218 cmd = monitor_find_command(cmdname);
3219 if (!cmd) {
3220 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3221 return NULL;
3224 /* parse the parameters */
3225 typestr = cmd->args_type;
3226 for(;;) {
3227 typestr = key_get_info(typestr, &key);
3228 if (!typestr)
3229 break;
3230 c = *typestr;
3231 typestr++;
3232 switch(c) {
3233 case 'F':
3234 case 'B':
3235 case 's':
3237 int ret;
3239 while (qemu_isspace(*p))
3240 p++;
3241 if (*typestr == '?') {
3242 typestr++;
3243 if (*p == '\0') {
3244 /* no optional string: NULL argument */
3245 break;
3248 ret = get_str(buf, sizeof(buf), &p);
3249 if (ret < 0) {
3250 switch(c) {
3251 case 'F':
3252 monitor_printf(mon, "%s: filename expected\n",
3253 cmdname);
3254 break;
3255 case 'B':
3256 monitor_printf(mon, "%s: block device name expected\n",
3257 cmdname);
3258 break;
3259 default:
3260 monitor_printf(mon, "%s: string expected\n", cmdname);
3261 break;
3263 goto fail;
3265 qdict_put(qdict, key, qstring_from_str(buf));
3267 break;
3268 case '/':
3270 int count, format, size;
3272 while (qemu_isspace(*p))
3273 p++;
3274 if (*p == '/') {
3275 /* format found */
3276 p++;
3277 count = 1;
3278 if (qemu_isdigit(*p)) {
3279 count = 0;
3280 while (qemu_isdigit(*p)) {
3281 count = count * 10 + (*p - '0');
3282 p++;
3285 size = -1;
3286 format = -1;
3287 for(;;) {
3288 switch(*p) {
3289 case 'o':
3290 case 'd':
3291 case 'u':
3292 case 'x':
3293 case 'i':
3294 case 'c':
3295 format = *p++;
3296 break;
3297 case 'b':
3298 size = 1;
3299 p++;
3300 break;
3301 case 'h':
3302 size = 2;
3303 p++;
3304 break;
3305 case 'w':
3306 size = 4;
3307 p++;
3308 break;
3309 case 'g':
3310 case 'L':
3311 size = 8;
3312 p++;
3313 break;
3314 default:
3315 goto next;
3318 next:
3319 if (*p != '\0' && !qemu_isspace(*p)) {
3320 monitor_printf(mon, "invalid char in format: '%c'\n",
3321 *p);
3322 goto fail;
3324 if (format < 0)
3325 format = default_fmt_format;
3326 if (format != 'i') {
3327 /* for 'i', not specifying a size gives -1 as size */
3328 if (size < 0)
3329 size = default_fmt_size;
3330 default_fmt_size = size;
3332 default_fmt_format = format;
3333 } else {
3334 count = 1;
3335 format = default_fmt_format;
3336 if (format != 'i') {
3337 size = default_fmt_size;
3338 } else {
3339 size = -1;
3342 qdict_put(qdict, "count", qint_from_int(count));
3343 qdict_put(qdict, "format", qint_from_int(format));
3344 qdict_put(qdict, "size", qint_from_int(size));
3346 break;
3347 case 'i':
3348 case 'l':
3350 int64_t val;
3352 while (qemu_isspace(*p))
3353 p++;
3354 if (*typestr == '?' || *typestr == '.') {
3355 if (*typestr == '?') {
3356 if (*p == '\0') {
3357 typestr++;
3358 break;
3360 } else {
3361 if (*p == '.') {
3362 p++;
3363 while (qemu_isspace(*p))
3364 p++;
3365 } else {
3366 typestr++;
3367 break;
3370 typestr++;
3372 if (get_expr(mon, &val, &p))
3373 goto fail;
3374 /* Check if 'i' is greater than 32-bit */
3375 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3376 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3377 monitor_printf(mon, "integer is for 32-bit values\n");
3378 goto fail;
3380 qdict_put(qdict, key, qint_from_int(val));
3382 break;
3383 case '-':
3385 const char *tmp = p;
3386 int has_option, skip_key = 0;
3387 /* option */
3389 c = *typestr++;
3390 if (c == '\0')
3391 goto bad_type;
3392 while (qemu_isspace(*p))
3393 p++;
3394 has_option = 0;
3395 if (*p == '-') {
3396 p++;
3397 if(c != *p) {
3398 if(!is_valid_option(p, typestr)) {
3400 monitor_printf(mon, "%s: unsupported option -%c\n",
3401 cmdname, *p);
3402 goto fail;
3403 } else {
3404 skip_key = 1;
3407 if(skip_key) {
3408 p = tmp;
3409 } else {
3410 p++;
3411 has_option = 1;
3414 qdict_put(qdict, key, qint_from_int(has_option));
3416 break;
3417 default:
3418 bad_type:
3419 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3420 goto fail;
3422 qemu_free(key);
3423 key = NULL;
3425 /* check that all arguments were parsed */
3426 while (qemu_isspace(*p))
3427 p++;
3428 if (*p != '\0') {
3429 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3430 cmdname);
3431 goto fail;
3434 return cmd;
3436 fail:
3437 qemu_free(key);
3438 return NULL;
3441 static void monitor_print_error(Monitor *mon)
3443 qerror_print(mon->error);
3444 QDECREF(mon->error);
3445 mon->error = NULL;
3448 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3449 const QDict *params)
3451 QObject *data = NULL;
3453 cmd->mhandler.cmd_new(mon, params, &data);
3455 if (monitor_ctrl_mode(mon)) {
3456 /* Monitor Protocol */
3457 monitor_protocol_emitter(mon, data);
3458 } else {
3459 /* User Protocol */
3460 if (data)
3461 cmd->user_print(mon, data);
3464 qobject_decref(data);
3467 static void handle_user_command(Monitor *mon, const char *cmdline)
3469 QDict *qdict;
3470 const mon_cmd_t *cmd;
3472 qdict = qdict_new();
3474 cmd = monitor_parse_command(mon, cmdline, qdict);
3475 if (!cmd)
3476 goto out;
3478 qemu_errors_to_mon(mon);
3480 if (monitor_handler_ported(cmd)) {
3481 monitor_call_handler(mon, cmd, qdict);
3482 } else {
3483 cmd->mhandler.cmd(mon, qdict);
3486 if (monitor_has_error(mon))
3487 monitor_print_error(mon);
3489 qemu_errors_to_previous();
3491 out:
3492 QDECREF(qdict);
3495 static void cmd_completion(const char *name, const char *list)
3497 const char *p, *pstart;
3498 char cmd[128];
3499 int len;
3501 p = list;
3502 for(;;) {
3503 pstart = p;
3504 p = strchr(p, '|');
3505 if (!p)
3506 p = pstart + strlen(pstart);
3507 len = p - pstart;
3508 if (len > sizeof(cmd) - 2)
3509 len = sizeof(cmd) - 2;
3510 memcpy(cmd, pstart, len);
3511 cmd[len] = '\0';
3512 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3513 readline_add_completion(cur_mon->rs, cmd);
3515 if (*p == '\0')
3516 break;
3517 p++;
3521 static void file_completion(const char *input)
3523 DIR *ffs;
3524 struct dirent *d;
3525 char path[1024];
3526 char file[1024], file_prefix[1024];
3527 int input_path_len;
3528 const char *p;
3530 p = strrchr(input, '/');
3531 if (!p) {
3532 input_path_len = 0;
3533 pstrcpy(file_prefix, sizeof(file_prefix), input);
3534 pstrcpy(path, sizeof(path), ".");
3535 } else {
3536 input_path_len = p - input + 1;
3537 memcpy(path, input, input_path_len);
3538 if (input_path_len > sizeof(path) - 1)
3539 input_path_len = sizeof(path) - 1;
3540 path[input_path_len] = '\0';
3541 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3543 #ifdef DEBUG_COMPLETION
3544 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3545 input, path, file_prefix);
3546 #endif
3547 ffs = opendir(path);
3548 if (!ffs)
3549 return;
3550 for(;;) {
3551 struct stat sb;
3552 d = readdir(ffs);
3553 if (!d)
3554 break;
3555 if (strstart(d->d_name, file_prefix, NULL)) {
3556 memcpy(file, input, input_path_len);
3557 if (input_path_len < sizeof(file))
3558 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3559 d->d_name);
3560 /* stat the file to find out if it's a directory.
3561 * In that case add a slash to speed up typing long paths
3563 stat(file, &sb);
3564 if(S_ISDIR(sb.st_mode))
3565 pstrcat(file, sizeof(file), "/");
3566 readline_add_completion(cur_mon->rs, file);
3569 closedir(ffs);
3572 static void block_completion_it(void *opaque, BlockDriverState *bs)
3574 const char *name = bdrv_get_device_name(bs);
3575 const char *input = opaque;
3577 if (input[0] == '\0' ||
3578 !strncmp(name, (char *)input, strlen(input))) {
3579 readline_add_completion(cur_mon->rs, name);
3583 /* NOTE: this parser is an approximate form of the real command parser */
3584 static void parse_cmdline(const char *cmdline,
3585 int *pnb_args, char **args)
3587 const char *p;
3588 int nb_args, ret;
3589 char buf[1024];
3591 p = cmdline;
3592 nb_args = 0;
3593 for(;;) {
3594 while (qemu_isspace(*p))
3595 p++;
3596 if (*p == '\0')
3597 break;
3598 if (nb_args >= MAX_ARGS)
3599 break;
3600 ret = get_str(buf, sizeof(buf), &p);
3601 args[nb_args] = qemu_strdup(buf);
3602 nb_args++;
3603 if (ret < 0)
3604 break;
3606 *pnb_args = nb_args;
3609 static const char *next_arg_type(const char *typestr)
3611 const char *p = strchr(typestr, ':');
3612 return (p != NULL ? ++p : typestr);
3615 static void monitor_find_completion(const char *cmdline)
3617 const char *cmdname;
3618 char *args[MAX_ARGS];
3619 int nb_args, i, len;
3620 const char *ptype, *str;
3621 const mon_cmd_t *cmd;
3622 const KeyDef *key;
3624 parse_cmdline(cmdline, &nb_args, args);
3625 #ifdef DEBUG_COMPLETION
3626 for(i = 0; i < nb_args; i++) {
3627 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3629 #endif
3631 /* if the line ends with a space, it means we want to complete the
3632 next arg */
3633 len = strlen(cmdline);
3634 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3635 if (nb_args >= MAX_ARGS)
3636 return;
3637 args[nb_args++] = qemu_strdup("");
3639 if (nb_args <= 1) {
3640 /* command completion */
3641 if (nb_args == 0)
3642 cmdname = "";
3643 else
3644 cmdname = args[0];
3645 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3646 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3647 cmd_completion(cmdname, cmd->name);
3649 } else {
3650 /* find the command */
3651 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3652 if (compare_cmd(args[0], cmd->name))
3653 goto found;
3655 return;
3656 found:
3657 ptype = next_arg_type(cmd->args_type);
3658 for(i = 0; i < nb_args - 2; i++) {
3659 if (*ptype != '\0') {
3660 ptype = next_arg_type(ptype);
3661 while (*ptype == '?')
3662 ptype = next_arg_type(ptype);
3665 str = args[nb_args - 1];
3666 if (*ptype == '-' && ptype[1] != '\0') {
3667 ptype += 2;
3669 switch(*ptype) {
3670 case 'F':
3671 /* file completion */
3672 readline_set_completion_index(cur_mon->rs, strlen(str));
3673 file_completion(str);
3674 break;
3675 case 'B':
3676 /* block device name completion */
3677 readline_set_completion_index(cur_mon->rs, strlen(str));
3678 bdrv_iterate(block_completion_it, (void *)str);
3679 break;
3680 case 's':
3681 /* XXX: more generic ? */
3682 if (!strcmp(cmd->name, "info")) {
3683 readline_set_completion_index(cur_mon->rs, strlen(str));
3684 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3685 cmd_completion(str, cmd->name);
3687 } else if (!strcmp(cmd->name, "sendkey")) {
3688 char *sep = strrchr(str, '-');
3689 if (sep)
3690 str = sep + 1;
3691 readline_set_completion_index(cur_mon->rs, strlen(str));
3692 for(key = key_defs; key->name != NULL; key++) {
3693 cmd_completion(str, key->name);
3695 } else if (!strcmp(cmd->name, "help|?")) {
3696 readline_set_completion_index(cur_mon->rs, strlen(str));
3697 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3698 cmd_completion(str, cmd->name);
3701 break;
3702 default:
3703 break;
3706 for(i = 0; i < nb_args; i++)
3707 qemu_free(args[i]);
3710 static int monitor_can_read(void *opaque)
3712 Monitor *mon = opaque;
3714 return (mon->suspend_cnt == 0) ? 128 : 0;
3717 typedef struct CmdArgs {
3718 QString *name;
3719 int type;
3720 int flag;
3721 int optional;
3722 } CmdArgs;
3724 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3726 if (!cmd_args->optional) {
3727 qemu_error_new(QERR_MISSING_PARAMETER, name);
3728 return -1;
3731 if (cmd_args->type == '-') {
3732 /* handlers expect a value, they need to be changed */
3733 qdict_put(args, name, qint_from_int(0));
3736 return 0;
3739 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3741 QObject *value;
3742 const char *name;
3744 name = qstring_get_str(cmd_args->name);
3746 if (!args) {
3747 return check_opt(cmd_args, name, args);
3750 value = qdict_get(args, name);
3751 if (!value) {
3752 return check_opt(cmd_args, name, args);
3755 switch (cmd_args->type) {
3756 case 'F':
3757 case 'B':
3758 case 's':
3759 if (qobject_type(value) != QTYPE_QSTRING) {
3760 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3761 return -1;
3763 break;
3764 case '/': {
3765 int i;
3766 const char *keys[] = { "count", "format", "size", NULL };
3768 for (i = 0; keys[i]; i++) {
3769 QObject *obj = qdict_get(args, keys[i]);
3770 if (!obj) {
3771 qemu_error_new(QERR_MISSING_PARAMETER, name);
3772 return -1;
3774 if (qobject_type(obj) != QTYPE_QINT) {
3775 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3776 return -1;
3779 break;
3781 case 'i':
3782 case 'l':
3783 if (qobject_type(value) != QTYPE_QINT) {
3784 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3785 return -1;
3787 break;
3788 case '-':
3789 if (qobject_type(value) != QTYPE_QINT &&
3790 qobject_type(value) != QTYPE_QBOOL) {
3791 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3792 return -1;
3794 if (qobject_type(value) == QTYPE_QBOOL) {
3795 /* handlers expect a QInt, they need to be changed */
3796 qdict_put(args, name,
3797 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3799 break;
3800 default:
3801 /* impossible */
3802 abort();
3805 return 0;
3808 static void cmd_args_init(CmdArgs *cmd_args)
3810 cmd_args->name = qstring_new();
3811 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3815 * This is not trivial, we have to parse Monitor command's argument
3816 * type syntax to be able to check the arguments provided by clients.
3818 * In the near future we will be using an array for that and will be
3819 * able to drop all this parsing...
3821 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3823 int err;
3824 const char *p;
3825 CmdArgs cmd_args;
3827 if (cmd->args_type == NULL) {
3828 return (qdict_size(args) == 0 ? 0 : -1);
3831 err = 0;
3832 cmd_args_init(&cmd_args);
3834 for (p = cmd->args_type;; p++) {
3835 if (*p == ':') {
3836 cmd_args.type = *++p;
3837 p++;
3838 if (cmd_args.type == '-') {
3839 cmd_args.flag = *p++;
3840 cmd_args.optional = 1;
3841 } else if (*p == '?') {
3842 cmd_args.optional = 1;
3843 p++;
3846 assert(*p == ',' || *p == '\0');
3847 err = check_arg(&cmd_args, args);
3849 QDECREF(cmd_args.name);
3850 cmd_args_init(&cmd_args);
3852 if (err < 0) {
3853 break;
3855 } else {
3856 qstring_append_chr(cmd_args.name, *p);
3859 if (*p == '\0') {
3860 break;
3864 QDECREF(cmd_args.name);
3865 return err;
3868 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3870 int err;
3871 QObject *obj;
3872 QDict *input, *args;
3873 const mon_cmd_t *cmd;
3874 Monitor *mon = cur_mon;
3875 const char *cmd_name, *info_item;
3877 args = NULL;
3878 qemu_errors_to_mon(mon);
3880 obj = json_parser_parse(tokens, NULL);
3881 if (!obj) {
3882 // FIXME: should be triggered in json_parser_parse()
3883 qemu_error_new(QERR_JSON_PARSING);
3884 goto err_out;
3885 } else if (qobject_type(obj) != QTYPE_QDICT) {
3886 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3887 qobject_decref(obj);
3888 goto err_out;
3891 input = qobject_to_qdict(obj);
3893 mon->mc->id = qdict_get(input, "id");
3894 qobject_incref(mon->mc->id);
3896 obj = qdict_get(input, "execute");
3897 if (!obj) {
3898 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3899 goto err_input;
3900 } else if (qobject_type(obj) != QTYPE_QSTRING) {
3901 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3902 goto err_input;
3905 cmd_name = qstring_get_str(qobject_to_qstring(obj));
3908 * XXX: We need this special case until we get info handlers
3909 * converted into 'query-' commands
3911 if (compare_cmd(cmd_name, "info")) {
3912 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3913 goto err_input;
3914 } else if (strstart(cmd_name, "query-", &info_item)) {
3915 cmd = monitor_find_command("info");
3916 qdict_put_obj(input, "arguments",
3917 qobject_from_jsonf("{ 'item': %s }", info_item));
3918 } else {
3919 cmd = monitor_find_command(cmd_name);
3920 if (!cmd) {
3921 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3922 goto err_input;
3926 obj = qdict_get(input, "arguments");
3927 if (!obj) {
3928 args = qdict_new();
3929 } else {
3930 args = qobject_to_qdict(obj);
3931 QINCREF(args);
3934 QDECREF(input);
3936 err = monitor_check_qmp_args(cmd, args);
3937 if (err < 0) {
3938 goto err_out;
3941 monitor_call_handler(mon, cmd, args);
3942 goto out;
3944 err_input:
3945 QDECREF(input);
3946 err_out:
3947 monitor_protocol_emitter(mon, NULL);
3948 out:
3949 QDECREF(args);
3950 qemu_errors_to_previous();
3954 * monitor_control_read(): Read and handle QMP input
3956 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3958 Monitor *old_mon = cur_mon;
3960 cur_mon = opaque;
3962 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3964 cur_mon = old_mon;
3967 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3969 Monitor *old_mon = cur_mon;
3970 int i;
3972 cur_mon = opaque;
3974 if (cur_mon->rs) {
3975 for (i = 0; i < size; i++)
3976 readline_handle_byte(cur_mon->rs, buf[i]);
3977 } else {
3978 if (size == 0 || buf[size - 1] != 0)
3979 monitor_printf(cur_mon, "corrupted command\n");
3980 else
3981 handle_user_command(cur_mon, (char *)buf);
3984 cur_mon = old_mon;
3987 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3989 monitor_suspend(mon);
3990 handle_user_command(mon, cmdline);
3991 monitor_resume(mon);
3994 int monitor_suspend(Monitor *mon)
3996 if (!mon->rs)
3997 return -ENOTTY;
3998 mon->suspend_cnt++;
3999 return 0;
4002 void monitor_resume(Monitor *mon)
4004 if (!mon->rs)
4005 return;
4006 if (--mon->suspend_cnt == 0)
4007 readline_show_prompt(mon->rs);
4011 * monitor_control_event(): Print QMP gretting
4013 static void monitor_control_event(void *opaque, int event)
4015 if (event == CHR_EVENT_OPENED) {
4016 QObject *data;
4017 Monitor *mon = opaque;
4019 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4021 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4022 assert(data != NULL);
4024 monitor_json_emitter(mon, data);
4025 qobject_decref(data);
4029 static void monitor_event(void *opaque, int event)
4031 Monitor *mon = opaque;
4033 switch (event) {
4034 case CHR_EVENT_MUX_IN:
4035 mon->mux_out = 0;
4036 if (mon->reset_seen) {
4037 readline_restart(mon->rs);
4038 monitor_resume(mon);
4039 monitor_flush(mon);
4040 } else {
4041 mon->suspend_cnt = 0;
4043 break;
4045 case CHR_EVENT_MUX_OUT:
4046 if (mon->reset_seen) {
4047 if (mon->suspend_cnt == 0) {
4048 monitor_printf(mon, "\n");
4050 monitor_flush(mon);
4051 monitor_suspend(mon);
4052 } else {
4053 mon->suspend_cnt++;
4055 mon->mux_out = 1;
4056 break;
4058 case CHR_EVENT_OPENED:
4059 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4060 "information\n", QEMU_VERSION);
4061 if (!mon->mux_out) {
4062 readline_show_prompt(mon->rs);
4064 mon->reset_seen = 1;
4065 break;
4071 * Local variables:
4072 * c-indent-level: 4
4073 * c-basic-offset: 4
4074 * tab-width: 8
4075 * End:
4078 void monitor_init(CharDriverState *chr, int flags)
4080 static int is_first_init = 1;
4081 Monitor *mon;
4083 if (is_first_init) {
4084 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4085 is_first_init = 0;
4088 mon = qemu_mallocz(sizeof(*mon));
4090 mon->chr = chr;
4091 mon->flags = flags;
4092 if (flags & MONITOR_USE_READLINE) {
4093 mon->rs = readline_init(mon, monitor_find_completion);
4094 monitor_read_command(mon, 0);
4097 if (monitor_ctrl_mode(mon)) {
4098 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4099 /* Control mode requires special handlers */
4100 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4101 monitor_control_event, mon);
4102 } else {
4103 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4104 monitor_event, mon);
4107 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4108 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4109 cur_mon = mon;
4112 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4114 BlockDriverState *bs = opaque;
4115 int ret = 0;
4117 if (bdrv_set_key(bs, password) != 0) {
4118 monitor_printf(mon, "invalid password\n");
4119 ret = -EPERM;
4121 if (mon->password_completion_cb)
4122 mon->password_completion_cb(mon->password_opaque, ret);
4124 monitor_read_command(mon, 1);
4127 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4128 BlockDriverCompletionFunc *completion_cb,
4129 void *opaque)
4131 int err;
4133 if (!bdrv_key_required(bs)) {
4134 if (completion_cb)
4135 completion_cb(opaque, 0);
4136 return;
4139 if (monitor_ctrl_mode(mon)) {
4140 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4141 return;
4144 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4145 bdrv_get_encrypted_filename(bs));
4147 mon->password_completion_cb = completion_cb;
4148 mon->password_opaque = opaque;
4150 err = monitor_read_password(mon, bdrv_password_cb, bs);
4152 if (err && completion_cb)
4153 completion_cb(opaque, err);
4156 typedef struct QemuErrorSink QemuErrorSink;
4157 struct QemuErrorSink {
4158 enum {
4159 ERR_SINK_FILE,
4160 ERR_SINK_MONITOR,
4161 } dest;
4162 union {
4163 FILE *fp;
4164 Monitor *mon;
4166 QemuErrorSink *previous;
4169 static QemuErrorSink *qemu_error_sink;
4171 void qemu_errors_to_file(FILE *fp)
4173 QemuErrorSink *sink;
4175 sink = qemu_mallocz(sizeof(*sink));
4176 sink->dest = ERR_SINK_FILE;
4177 sink->fp = fp;
4178 sink->previous = qemu_error_sink;
4179 qemu_error_sink = sink;
4182 void qemu_errors_to_mon(Monitor *mon)
4184 QemuErrorSink *sink;
4186 sink = qemu_mallocz(sizeof(*sink));
4187 sink->dest = ERR_SINK_MONITOR;
4188 sink->mon = mon;
4189 sink->previous = qemu_error_sink;
4190 qemu_error_sink = sink;
4193 void qemu_errors_to_previous(void)
4195 QemuErrorSink *sink;
4197 assert(qemu_error_sink != NULL);
4198 sink = qemu_error_sink;
4199 qemu_error_sink = sink->previous;
4200 qemu_free(sink);
4203 void qemu_error(const char *fmt, ...)
4205 va_list args;
4207 assert(qemu_error_sink != NULL);
4208 switch (qemu_error_sink->dest) {
4209 case ERR_SINK_FILE:
4210 va_start(args, fmt);
4211 vfprintf(qemu_error_sink->fp, fmt, args);
4212 va_end(args);
4213 break;
4214 case ERR_SINK_MONITOR:
4215 va_start(args, fmt);
4216 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4217 va_end(args);
4218 break;
4222 void qemu_error_internal(const char *file, int linenr, const char *func,
4223 const char *fmt, ...)
4225 va_list va;
4226 QError *qerror;
4228 assert(qemu_error_sink != NULL);
4230 va_start(va, fmt);
4231 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4232 va_end(va);
4234 switch (qemu_error_sink->dest) {
4235 case ERR_SINK_FILE:
4236 qerror_print(qerror);
4237 QDECREF(qerror);
4238 break;
4239 case ERR_SINK_MONITOR:
4240 assert(qemu_error_sink->mon->error == NULL);
4241 qemu_error_sink->mon->error = qerror;
4242 break;