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Fix ARM MCore secondary cpu boot
[qemu/aliguori-queue.git] / monitor.c
blob132fb6e0682d773c8be61b504d4ba96342382976
1 /*
2 * QEMU monitor
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "qemu-char.h"
36 #include "sysemu.h"
37 #include "monitor.h"
38 #include "readline.h"
39 #include "console.h"
40 #include "block.h"
41 #include "audio/audio.h"
42 #include "disas.h"
43 #include "balloon.h"
44 #include "qemu-timer.h"
45 #include "migration.h"
46 #include "kvm.h"
47 #include "acl.h"
48 #include "qint.h"
49 #include "qlist.h"
50 #include "qdict.h"
51 #include "qstring.h"
52
53 //#define DEBUG
54 //#define DEBUG_COMPLETION
55
56 /*
57 * Supported types:
58 *
59 * 'F' filename
60 * 'B' block device name
61 * 's' string (accept optional quote)
62 * 'i' 32 bit integer
63 * 'l' target long (32 or 64 bit)
64 * '/' optional gdb-like print format (like "/10x")
65 *
66 * '?' optional type (for all types, except '/')
67 * '.' other form of optional type (for 'i' and 'l')
68 * '-' optional parameter (eg. '-f')
69 *
70 */
71
72 typedef struct mon_cmd_t {
73 const char *name;
74 const char *args_type;
75 const char *params;
76 const char *help;
77 void (*user_print)(Monitor *mon, const QObject *data);
78 union {
79 void (*info)(Monitor *mon);
80 void (*info_new)(Monitor *mon, QObject **ret_data);
81 void (*cmd)(Monitor *mon, const QDict *qdict);
82 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
83 } mhandler;
84 } mon_cmd_t;
85
86 /* file descriptors passed via SCM_RIGHTS */
87 typedef struct mon_fd_t mon_fd_t;
88 struct mon_fd_t {
89 char *name;
90 int fd;
91 QLIST_ENTRY(mon_fd_t) next;
92 };
93
94 struct Monitor {
95 CharDriverState *chr;
96 int mux_out;
97 int reset_seen;
98 int flags;
99 int suspend_cnt;
100 uint8_t outbuf[1024];
101 int outbuf_index;
102 ReadLineState *rs;
103 CPUState *mon_cpu;
104 BlockDriverCompletionFunc *password_completion_cb;
105 void *password_opaque;
106 QLIST_HEAD(,mon_fd_t) fds;
107 QLIST_ENTRY(Monitor) entry;
108 };
109
110 static QLIST_HEAD(mon_list, Monitor) mon_list;
111
112 static const mon_cmd_t mon_cmds[];
113 static const mon_cmd_t info_cmds[];
114
115 Monitor *cur_mon = NULL;
116
117 static void monitor_command_cb(Monitor *mon, const char *cmdline,
118 void *opaque);
119
120 static void monitor_read_command(Monitor *mon, int show_prompt)
121 {
122 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
123 if (show_prompt)
124 readline_show_prompt(mon->rs);
125 }
126
127 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
128 void *opaque)
129 {
130 if (mon->rs) {
131 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
132 /* prompt is printed on return from the command handler */
133 return 0;
134 } else {
135 monitor_printf(mon, "terminal does not support password prompting\n");
136 return -ENOTTY;
137 }
138 }
139
140 void monitor_flush(Monitor *mon)
141 {
142 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
143 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
144 mon->outbuf_index = 0;
145 }
146 }
147
148 /* flush at every end of line or if the buffer is full */
149 static void monitor_puts(Monitor *mon, const char *str)
150 {
151 char c;
152
153 if (!mon)
154 return;
155
156 for(;;) {
157 c = *str++;
158 if (c == '\0')
159 break;
160 if (c == '\n')
161 mon->outbuf[mon->outbuf_index++] = '\r';
162 mon->outbuf[mon->outbuf_index++] = c;
163 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
164 || c == '\n')
165 monitor_flush(mon);
166 }
167 }
168
169 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
170 {
171 char buf[4096];
172 vsnprintf(buf, sizeof(buf), fmt, ap);
173 monitor_puts(mon, buf);
174 }
175
176 void monitor_printf(Monitor *mon, const char *fmt, ...)
177 {
178 va_list ap;
179 va_start(ap, fmt);
180 monitor_vprintf(mon, fmt, ap);
181 va_end(ap);
182 }
183
184 void monitor_print_filename(Monitor *mon, const char *filename)
185 {
186 int i;
187
188 for (i = 0; filename[i]; i++) {
189 switch (filename[i]) {
190 case ' ':
191 case '"':
192 case '\\':
193 monitor_printf(mon, "\\%c", filename[i]);
194 break;
195 case '\t':
196 monitor_printf(mon, "\\t");
197 break;
198 case '\r':
199 monitor_printf(mon, "\\r");
200 break;
201 case '\n':
202 monitor_printf(mon, "\\n");
203 break;
204 default:
205 monitor_printf(mon, "%c", filename[i]);
206 break;
207 }
208 }
209 }
210
211 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
212 {
213 va_list ap;
214 va_start(ap, fmt);
215 monitor_vprintf((Monitor *)stream, fmt, ap);
216 va_end(ap);
217 return 0;
218 }
219
220 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
221
222 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
223 {
224 return cmd->user_print != NULL;
225 }
226
227 static void monitor_print_qobject(Monitor *mon, const QObject *data)
228 {
229 switch (qobject_type(data)) {
230 case QTYPE_QSTRING:
231 monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
232 break;
233 case QTYPE_QINT:
234 monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
235 break;
236 default:
237 monitor_printf(mon, "ERROR: unsupported type: %d",
238 qobject_type(data));
239 break;
240 }
241
242 monitor_puts(mon, "\n");
243 }
244
245 static int compare_cmd(const char *name, const char *list)
246 {
247 const char *p, *pstart;
248 int len;
249 len = strlen(name);
250 p = list;
251 for(;;) {
252 pstart = p;
253 p = strchr(p, '|');
254 if (!p)
255 p = pstart + strlen(pstart);
256 if ((p - pstart) == len && !memcmp(pstart, name, len))
257 return 1;
258 if (*p == '\0')
259 break;
260 p++;
261 }
262 return 0;
263 }
264
265 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
266 const char *prefix, const char *name)
267 {
268 const mon_cmd_t *cmd;
269
270 for(cmd = cmds; cmd->name != NULL; cmd++) {
271 if (!name || !strcmp(name, cmd->name))
272 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
273 cmd->params, cmd->help);
274 }
275 }
276
277 static void help_cmd(Monitor *mon, const char *name)
278 {
279 if (name && !strcmp(name, "info")) {
280 help_cmd_dump(mon, info_cmds, "info ", NULL);
281 } else {
282 help_cmd_dump(mon, mon_cmds, "", name);
283 if (name && !strcmp(name, "log")) {
284 const CPULogItem *item;
285 monitor_printf(mon, "Log items (comma separated):\n");
286 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
287 for(item = cpu_log_items; item->mask != 0; item++) {
288 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
289 }
290 }
291 }
292 }
293
294 static void do_help_cmd(Monitor *mon, const QDict *qdict)
295 {
296 help_cmd(mon, qdict_get_try_str(qdict, "name"));
297 }
298
299 static void do_commit(Monitor *mon, const QDict *qdict)
300 {
301 int all_devices;
302 DriveInfo *dinfo;
303 const char *device = qdict_get_str(qdict, "device");
304
305 all_devices = !strcmp(device, "all");
306 QTAILQ_FOREACH(dinfo, &drives, next) {
307 if (!all_devices)
308 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
309 continue;
310 bdrv_commit(dinfo->bdrv);
311 }
312 }
313
314 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
315 {
316 const mon_cmd_t *cmd;
317 const char *item = qdict_get_try_str(qdict, "item");
318
319 if (!item)
320 goto help;
321
322 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
323 if (compare_cmd(item, cmd->name))
324 break;
325 }
326
327 if (cmd->name == NULL)
328 goto help;
329
330 if (monitor_handler_ported(cmd)) {
331 cmd->mhandler.info_new(mon, ret_data);
332 if (*ret_data)
333 cmd->user_print(mon, *ret_data);
334 } else {
335 cmd->mhandler.info(mon);
336 }
337
338 return;
339
340 help:
341 help_cmd(mon, "info");
342 }
343
344 /**
345 * do_info_version(): Show QEMU version
346 */
347 static void do_info_version(Monitor *mon, QObject **ret_data)
348 {
349 *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
350 }
351
352 static void do_info_name(Monitor *mon)
353 {
354 if (qemu_name)
355 monitor_printf(mon, "%s\n", qemu_name);
356 }
357
358 #if defined(TARGET_I386)
359 static void do_info_hpet(Monitor *mon)
360 {
361 monitor_printf(mon, "HPET is %s by QEMU\n",
362 (no_hpet) ? "disabled" : "enabled");
363 }
364 #endif
365
366 static void do_info_uuid(Monitor *mon)
367 {
368 monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
369 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
370 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
371 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
372 qemu_uuid[14], qemu_uuid[15]);
373 }
374
375 /* get the current CPU defined by the user */
376 static int mon_set_cpu(int cpu_index)
377 {
378 CPUState *env;
379
380 for(env = first_cpu; env != NULL; env = env->next_cpu) {
381 if (env->cpu_index == cpu_index) {
382 cur_mon->mon_cpu = env;
383 return 0;
384 }
385 }
386 return -1;
387 }
388
389 static CPUState *mon_get_cpu(void)
390 {
391 if (!cur_mon->mon_cpu) {
392 mon_set_cpu(0);
393 }
394 cpu_synchronize_state(cur_mon->mon_cpu);
395 return cur_mon->mon_cpu;
396 }
397
398 static void do_info_registers(Monitor *mon)
399 {
400 CPUState *env;
401 env = mon_get_cpu();
402 if (!env)
403 return;
404 #ifdef TARGET_I386
405 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
406 X86_DUMP_FPU);
407 #else
408 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
409 0);
410 #endif
411 }
412
413 static void print_cpu_iter(QObject *obj, void *opaque)
414 {
415 QDict *cpu;
416 int active = ' ';
417 Monitor *mon = opaque;
418
419 assert(qobject_type(obj) == QTYPE_QDICT);
420 cpu = qobject_to_qdict(obj);
421
422 if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
423 active = '*';
424
425 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
426
427 #if defined(TARGET_I386)
428 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
429 (target_ulong) qdict_get_int(cpu, "pc"));
430 #elif defined(TARGET_PPC)
431 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
432 (target_long) qdict_get_int(cpu, "nip"));
433 #elif defined(TARGET_SPARC)
434 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
435 (target_long) qdict_get_int(cpu, "pc"));
436 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
437 (target_long) qdict_get_int(cpu, "npc"));
438 #elif defined(TARGET_MIPS)
439 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
440 (target_long) qdict_get_int(cpu, "PC"));
441 #endif
442
443 if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
444 monitor_printf(mon, " (halted)");
445
446 monitor_printf(mon, "\n");
447 }
448
449 static void monitor_print_cpus(Monitor *mon, const QObject *data)
450 {
451 QList *cpu_list;
452
453 assert(qobject_type(data) == QTYPE_QLIST);
454 cpu_list = qobject_to_qlist(data);
455 qlist_iter(cpu_list, print_cpu_iter, mon);
456 }
457
458 /**
459 * do_info_cpus(): Show CPU information
460 *
461 * Return a QList with a QDict for each CPU.
462 *
463 * For example:
464 *
465 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
466 * { "CPU": 1, "current": "no", "pc": 0x..., "halted": "yes" } ]
467 */
468 static void do_info_cpus(Monitor *mon, QObject **ret_data)
469 {
470 CPUState *env;
471 QList *cpu_list;
472
473 cpu_list = qlist_new();
474
475 /* just to set the default cpu if not already done */
476 mon_get_cpu();
477
478 for(env = first_cpu; env != NULL; env = env->next_cpu) {
479 const char *answer;
480 QDict *cpu = qdict_new();
481
482 cpu_synchronize_state(env);
483
484 qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
485 answer = (env == mon->mon_cpu) ? "yes" : "no";
486 qdict_put(cpu, "current", qstring_from_str(answer));
487
488 #if defined(TARGET_I386)
489 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
490 #elif defined(TARGET_PPC)
491 qdict_put(cpu, "nip", qint_from_int(env->nip));
492 #elif defined(TARGET_SPARC)
493 qdict_put(cpu, "pc", qint_from_int(env->pc));
494 qdict_put(cpu, "npc", qint_from_int(env->npc));
495 #elif defined(TARGET_MIPS)
496 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
497 #endif
498 answer = env->halted ? "yes" : "no";
499 qdict_put(cpu, "halted", qstring_from_str(answer));
500
501 qlist_append(cpu_list, cpu);
502 }
503
504 *ret_data = QOBJECT(cpu_list);
505 }
506
507 static void do_cpu_set(Monitor *mon, const QDict *qdict)
508 {
509 int index = qdict_get_int(qdict, "index");
510 if (mon_set_cpu(index) < 0)
511 monitor_printf(mon, "Invalid CPU index\n");
512 }
513
514 static void do_info_jit(Monitor *mon)
515 {
516 dump_exec_info((FILE *)mon, monitor_fprintf);
517 }
518
519 static void do_info_history(Monitor *mon)
520 {
521 int i;
522 const char *str;
523
524 if (!mon->rs)
525 return;
526 i = 0;
527 for(;;) {
528 str = readline_get_history(mon->rs, i);
529 if (!str)
530 break;
531 monitor_printf(mon, "%d: '%s'\n", i, str);
532 i++;
533 }
534 }
535
536 #if defined(TARGET_PPC)
537 /* XXX: not implemented in other targets */
538 static void do_info_cpu_stats(Monitor *mon)
539 {
540 CPUState *env;
541
542 env = mon_get_cpu();
543 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
544 }
545 #endif
546
547 /**
548 * do_quit(): Quit QEMU execution
549 */
550 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
551 {
552 exit(0);
553 }
554
555 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
556 {
557 if (bdrv_is_inserted(bs)) {
558 if (!force) {
559 if (!bdrv_is_removable(bs)) {
560 monitor_printf(mon, "device is not removable\n");
561 return -1;
562 }
563 if (bdrv_is_locked(bs)) {
564 monitor_printf(mon, "device is locked\n");
565 return -1;
566 }
567 }
568 bdrv_close(bs);
569 }
570 return 0;
571 }
572
573 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
574 {
575 BlockDriverState *bs;
576 int force = qdict_get_int(qdict, "force");
577 const char *filename = qdict_get_str(qdict, "filename");
578
579 bs = bdrv_find(filename);
580 if (!bs) {
581 monitor_printf(mon, "device not found\n");
582 return;
583 }
584 eject_device(mon, bs, force);
585 }
586
587 static void do_change_block(Monitor *mon, const char *device,
588 const char *filename, const char *fmt)
589 {
590 BlockDriverState *bs;
591 BlockDriver *drv = NULL;
592
593 bs = bdrv_find(device);
594 if (!bs) {
595 monitor_printf(mon, "device not found\n");
596 return;
597 }
598 if (fmt) {
599 drv = bdrv_find_whitelisted_format(fmt);
600 if (!drv) {
601 monitor_printf(mon, "invalid format %s\n", fmt);
602 return;
603 }
604 }
605 if (eject_device(mon, bs, 0) < 0)
606 return;
607 bdrv_open2(bs, filename, 0, drv);
608 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
609 }
610
611 static void change_vnc_password_cb(Monitor *mon, const char *password,
612 void *opaque)
613 {
614 if (vnc_display_password(NULL, password) < 0)
615 monitor_printf(mon, "could not set VNC server password\n");
616
617 monitor_read_command(mon, 1);
618 }
619
620 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
621 {
622 if (strcmp(target, "passwd") == 0 ||
623 strcmp(target, "password") == 0) {
624 if (arg) {
625 char password[9];
626 strncpy(password, arg, sizeof(password));
627 password[sizeof(password) - 1] = '\0';
628 change_vnc_password_cb(mon, password, NULL);
629 } else {
630 monitor_read_password(mon, change_vnc_password_cb, NULL);
631 }
632 } else {
633 if (vnc_display_open(NULL, target) < 0)
634 monitor_printf(mon, "could not start VNC server on %s\n", target);
635 }
636 }
637
638 static void do_change(Monitor *mon, const QDict *qdict)
639 {
640 const char *device = qdict_get_str(qdict, "device");
641 const char *target = qdict_get_str(qdict, "target");
642 const char *arg = qdict_get_try_str(qdict, "arg");
643 if (strcmp(device, "vnc") == 0) {
644 do_change_vnc(mon, target, arg);
645 } else {
646 do_change_block(mon, device, target, arg);
647 }
648 }
649
650 static void do_screen_dump(Monitor *mon, const QDict *qdict)
651 {
652 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
653 }
654
655 static void do_logfile(Monitor *mon, const QDict *qdict)
656 {
657 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
658 }
659
660 static void do_log(Monitor *mon, const QDict *qdict)
661 {
662 int mask;
663 const char *items = qdict_get_str(qdict, "items");
664
665 if (!strcmp(items, "none")) {
666 mask = 0;
667 } else {
668 mask = cpu_str_to_log_mask(items);
669 if (!mask) {
670 help_cmd(mon, "log");
671 return;
672 }
673 }
674 cpu_set_log(mask);
675 }
676
677 static void do_singlestep(Monitor *mon, const QDict *qdict)
678 {
679 const char *option = qdict_get_try_str(qdict, "option");
680 if (!option || !strcmp(option, "on")) {
681 singlestep = 1;
682 } else if (!strcmp(option, "off")) {
683 singlestep = 0;
684 } else {
685 monitor_printf(mon, "unexpected option %s\n", option);
686 }
687 }
688
689 /**
690 * do_stop(): Stop VM execution
691 */
692 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
693 {
694 vm_stop(EXCP_INTERRUPT);
695 }
696
697 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
698
699 struct bdrv_iterate_context {
700 Monitor *mon;
701 int err;
702 };
703
704 /**
705 * do_cont(): Resume emulation.
706 */
707 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
708 {
709 struct bdrv_iterate_context context = { mon, 0 };
710
711 bdrv_iterate(encrypted_bdrv_it, &context);
712 /* only resume the vm if all keys are set and valid */
713 if (!context.err)
714 vm_start();
715 }
716
717 static void bdrv_key_cb(void *opaque, int err)
718 {
719 Monitor *mon = opaque;
720
721 /* another key was set successfully, retry to continue */
722 if (!err)
723 do_cont(mon, NULL, NULL);
724 }
725
726 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
727 {
728 struct bdrv_iterate_context *context = opaque;
729
730 if (!context->err && bdrv_key_required(bs)) {
731 context->err = -EBUSY;
732 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
733 context->mon);
734 }
735 }
736
737 static void do_gdbserver(Monitor *mon, const QDict *qdict)
738 {
739 const char *device = qdict_get_try_str(qdict, "device");
740 if (!device)
741 device = "tcp::" DEFAULT_GDBSTUB_PORT;
742 if (gdbserver_start(device) < 0) {
743 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
744 device);
745 } else if (strcmp(device, "none") == 0) {
746 monitor_printf(mon, "Disabled gdbserver\n");
747 } else {
748 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
749 device);
750 }
751 }
752
753 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
754 {
755 const char *action = qdict_get_str(qdict, "action");
756 if (select_watchdog_action(action) == -1) {
757 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
758 }
759 }
760
761 static void monitor_printc(Monitor *mon, int c)
762 {
763 monitor_printf(mon, "'");
764 switch(c) {
765 case '\'':
766 monitor_printf(mon, "\\'");
767 break;
768 case '\\':
769 monitor_printf(mon, "\\\\");
770 break;
771 case '\n':
772 monitor_printf(mon, "\\n");
773 break;
774 case '\r':
775 monitor_printf(mon, "\\r");
776 break;
777 default:
778 if (c >= 32 && c <= 126) {
779 monitor_printf(mon, "%c", c);
780 } else {
781 monitor_printf(mon, "\\x%02x", c);
782 }
783 break;
784 }
785 monitor_printf(mon, "'");
786 }
787
788 static void memory_dump(Monitor *mon, int count, int format, int wsize,
789 target_phys_addr_t addr, int is_physical)
790 {
791 CPUState *env;
792 int nb_per_line, l, line_size, i, max_digits, len;
793 uint8_t buf[16];
794 uint64_t v;
795
796 if (format == 'i') {
797 int flags;
798 flags = 0;
799 env = mon_get_cpu();
800 if (!env && !is_physical)
801 return;
802 #ifdef TARGET_I386
803 if (wsize == 2) {
804 flags = 1;
805 } else if (wsize == 4) {
806 flags = 0;
807 } else {
808 /* as default we use the current CS size */
809 flags = 0;
810 if (env) {
811 #ifdef TARGET_X86_64
812 if ((env->efer & MSR_EFER_LMA) &&
813 (env->segs[R_CS].flags & DESC_L_MASK))
814 flags = 2;
815 else
816 #endif
817 if (!(env->segs[R_CS].flags & DESC_B_MASK))
818 flags = 1;
819 }
820 }
821 #endif
822 monitor_disas(mon, env, addr, count, is_physical, flags);
823 return;
824 }
825
826 len = wsize * count;
827 if (wsize == 1)
828 line_size = 8;
829 else
830 line_size = 16;
831 nb_per_line = line_size / wsize;
832 max_digits = 0;
833
834 switch(format) {
835 case 'o':
836 max_digits = (wsize * 8 + 2) / 3;
837 break;
838 default:
839 case 'x':
840 max_digits = (wsize * 8) / 4;
841 break;
842 case 'u':
843 case 'd':
844 max_digits = (wsize * 8 * 10 + 32) / 33;
845 break;
846 case 'c':
847 wsize = 1;
848 break;
849 }
850
851 while (len > 0) {
852 if (is_physical)
853 monitor_printf(mon, TARGET_FMT_plx ":", addr);
854 else
855 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
856 l = len;
857 if (l > line_size)
858 l = line_size;
859 if (is_physical) {
860 cpu_physical_memory_rw(addr, buf, l, 0);
861 } else {
862 env = mon_get_cpu();
863 if (!env)
864 break;
865 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
866 monitor_printf(mon, " Cannot access memory\n");
867 break;
868 }
869 }
870 i = 0;
871 while (i < l) {
872 switch(wsize) {
873 default:
874 case 1:
875 v = ldub_raw(buf + i);
876 break;
877 case 2:
878 v = lduw_raw(buf + i);
879 break;
880 case 4:
881 v = (uint32_t)ldl_raw(buf + i);
882 break;
883 case 8:
884 v = ldq_raw(buf + i);
885 break;
886 }
887 monitor_printf(mon, " ");
888 switch(format) {
889 case 'o':
890 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
891 break;
892 case 'x':
893 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
894 break;
895 case 'u':
896 monitor_printf(mon, "%*" PRIu64, max_digits, v);
897 break;
898 case 'd':
899 monitor_printf(mon, "%*" PRId64, max_digits, v);
900 break;
901 case 'c':
902 monitor_printc(mon, v);
903 break;
904 }
905 i += wsize;
906 }
907 monitor_printf(mon, "\n");
908 addr += l;
909 len -= l;
910 }
911 }
912
913 static void do_memory_dump(Monitor *mon, const QDict *qdict)
914 {
915 int count = qdict_get_int(qdict, "count");
916 int format = qdict_get_int(qdict, "format");
917 int size = qdict_get_int(qdict, "size");
918 target_long addr = qdict_get_int(qdict, "addr");
919
920 memory_dump(mon, count, format, size, addr, 0);
921 }
922
923 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
924 {
925 int count = qdict_get_int(qdict, "count");
926 int format = qdict_get_int(qdict, "format");
927 int size = qdict_get_int(qdict, "size");
928 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
929
930 memory_dump(mon, count, format, size, addr, 1);
931 }
932
933 static void do_print(Monitor *mon, const QDict *qdict)
934 {
935 int format = qdict_get_int(qdict, "format");
936 target_phys_addr_t val = qdict_get_int(qdict, "val");
937
938 #if TARGET_PHYS_ADDR_BITS == 32
939 switch(format) {
940 case 'o':
941 monitor_printf(mon, "%#o", val);
942 break;
943 case 'x':
944 monitor_printf(mon, "%#x", val);
945 break;
946 case 'u':
947 monitor_printf(mon, "%u", val);
948 break;
949 default:
950 case 'd':
951 monitor_printf(mon, "%d", val);
952 break;
953 case 'c':
954 monitor_printc(mon, val);
955 break;
956 }
957 #else
958 switch(format) {
959 case 'o':
960 monitor_printf(mon, "%#" PRIo64, val);
961 break;
962 case 'x':
963 monitor_printf(mon, "%#" PRIx64, val);
964 break;
965 case 'u':
966 monitor_printf(mon, "%" PRIu64, val);
967 break;
968 default:
969 case 'd':
970 monitor_printf(mon, "%" PRId64, val);
971 break;
972 case 'c':
973 monitor_printc(mon, val);
974 break;
975 }
976 #endif
977 monitor_printf(mon, "\n");
978 }
979
980 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
981 {
982 FILE *f;
983 uint32_t size = qdict_get_int(qdict, "size");
984 const char *filename = qdict_get_str(qdict, "filename");
985 target_long addr = qdict_get_int(qdict, "val");
986 uint32_t l;
987 CPUState *env;
988 uint8_t buf[1024];
989
990 env = mon_get_cpu();
991 if (!env)
992 return;
993
994 f = fopen(filename, "wb");
995 if (!f) {
996 monitor_printf(mon, "could not open '%s'\n", filename);
997 return;
998 }
999 while (size != 0) {
1000 l = sizeof(buf);
1001 if (l > size)
1002 l = size;
1003 cpu_memory_rw_debug(env, addr, buf, l, 0);
1004 fwrite(buf, 1, l, f);
1005 addr += l;
1006 size -= l;
1007 }
1008 fclose(f);
1009 }
1010
1011 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1012 QObject **ret_data)
1013 {
1014 FILE *f;
1015 uint32_t l;
1016 uint8_t buf[1024];
1017 uint32_t size = qdict_get_int(qdict, "size");
1018 const char *filename = qdict_get_str(qdict, "filename");
1019 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1020
1021 f = fopen(filename, "wb");
1022 if (!f) {
1023 monitor_printf(mon, "could not open '%s'\n", filename);
1024 return;
1025 }
1026 while (size != 0) {
1027 l = sizeof(buf);
1028 if (l > size)
1029 l = size;
1030 cpu_physical_memory_rw(addr, buf, l, 0);
1031 fwrite(buf, 1, l, f);
1032 fflush(f);
1033 addr += l;
1034 size -= l;
1035 }
1036 fclose(f);
1037 }
1038
1039 static void do_sum(Monitor *mon, const QDict *qdict)
1040 {
1041 uint32_t addr;
1042 uint8_t buf[1];
1043 uint16_t sum;
1044 uint32_t start = qdict_get_int(qdict, "start");
1045 uint32_t size = qdict_get_int(qdict, "size");
1046
1047 sum = 0;
1048 for(addr = start; addr < (start + size); addr++) {
1049 cpu_physical_memory_rw(addr, buf, 1, 0);
1050 /* BSD sum algorithm ('sum' Unix command) */
1051 sum = (sum >> 1) | (sum << 15);
1052 sum += buf[0];
1053 }
1054 monitor_printf(mon, "%05d\n", sum);
1055 }
1056
1057 typedef struct {
1058 int keycode;
1059 const char *name;
1060 } KeyDef;
1061
1062 static const KeyDef key_defs[] = {
1063 { 0x2a, "shift" },
1064 { 0x36, "shift_r" },
1065
1066 { 0x38, "alt" },
1067 { 0xb8, "alt_r" },
1068 { 0x64, "altgr" },
1069 { 0xe4, "altgr_r" },
1070 { 0x1d, "ctrl" },
1071 { 0x9d, "ctrl_r" },
1072
1073 { 0xdd, "menu" },
1074
1075 { 0x01, "esc" },
1076
1077 { 0x02, "1" },
1078 { 0x03, "2" },
1079 { 0x04, "3" },
1080 { 0x05, "4" },
1081 { 0x06, "5" },
1082 { 0x07, "6" },
1083 { 0x08, "7" },
1084 { 0x09, "8" },
1085 { 0x0a, "9" },
1086 { 0x0b, "0" },
1087 { 0x0c, "minus" },
1088 { 0x0d, "equal" },
1089 { 0x0e, "backspace" },
1090
1091 { 0x0f, "tab" },
1092 { 0x10, "q" },
1093 { 0x11, "w" },
1094 { 0x12, "e" },
1095 { 0x13, "r" },
1096 { 0x14, "t" },
1097 { 0x15, "y" },
1098 { 0x16, "u" },
1099 { 0x17, "i" },
1100 { 0x18, "o" },
1101 { 0x19, "p" },
1102
1103 { 0x1c, "ret" },
1104
1105 { 0x1e, "a" },
1106 { 0x1f, "s" },
1107 { 0x20, "d" },
1108 { 0x21, "f" },
1109 { 0x22, "g" },
1110 { 0x23, "h" },
1111 { 0x24, "j" },
1112 { 0x25, "k" },
1113 { 0x26, "l" },
1114
1115 { 0x2c, "z" },
1116 { 0x2d, "x" },
1117 { 0x2e, "c" },
1118 { 0x2f, "v" },
1119 { 0x30, "b" },
1120 { 0x31, "n" },
1121 { 0x32, "m" },
1122 { 0x33, "comma" },
1123 { 0x34, "dot" },
1124 { 0x35, "slash" },
1125
1126 { 0x37, "asterisk" },
1127
1128 { 0x39, "spc" },
1129 { 0x3a, "caps_lock" },
1130 { 0x3b, "f1" },
1131 { 0x3c, "f2" },
1132 { 0x3d, "f3" },
1133 { 0x3e, "f4" },
1134 { 0x3f, "f5" },
1135 { 0x40, "f6" },
1136 { 0x41, "f7" },
1137 { 0x42, "f8" },
1138 { 0x43, "f9" },
1139 { 0x44, "f10" },
1140 { 0x45, "num_lock" },
1141 { 0x46, "scroll_lock" },
1142
1143 { 0xb5, "kp_divide" },
1144 { 0x37, "kp_multiply" },
1145 { 0x4a, "kp_subtract" },
1146 { 0x4e, "kp_add" },
1147 { 0x9c, "kp_enter" },
1148 { 0x53, "kp_decimal" },
1149 { 0x54, "sysrq" },
1150
1151 { 0x52, "kp_0" },
1152 { 0x4f, "kp_1" },
1153 { 0x50, "kp_2" },
1154 { 0x51, "kp_3" },
1155 { 0x4b, "kp_4" },
1156 { 0x4c, "kp_5" },
1157 { 0x4d, "kp_6" },
1158 { 0x47, "kp_7" },
1159 { 0x48, "kp_8" },
1160 { 0x49, "kp_9" },
1161
1162 { 0x56, "<" },
1163
1164 { 0x57, "f11" },
1165 { 0x58, "f12" },
1166
1167 { 0xb7, "print" },
1168
1169 { 0xc7, "home" },
1170 { 0xc9, "pgup" },
1171 { 0xd1, "pgdn" },
1172 { 0xcf, "end" },
1173
1174 { 0xcb, "left" },
1175 { 0xc8, "up" },
1176 { 0xd0, "down" },
1177 { 0xcd, "right" },
1178
1179 { 0xd2, "insert" },
1180 { 0xd3, "delete" },
1181 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1182 { 0xf0, "stop" },
1183 { 0xf1, "again" },
1184 { 0xf2, "props" },
1185 { 0xf3, "undo" },
1186 { 0xf4, "front" },
1187 { 0xf5, "copy" },
1188 { 0xf6, "open" },
1189 { 0xf7, "paste" },
1190 { 0xf8, "find" },
1191 { 0xf9, "cut" },
1192 { 0xfa, "lf" },
1193 { 0xfb, "help" },
1194 { 0xfc, "meta_l" },
1195 { 0xfd, "meta_r" },
1196 { 0xfe, "compose" },
1197 #endif
1198 { 0, NULL },
1199 };
1200
1201 static int get_keycode(const char *key)
1202 {
1203 const KeyDef *p;
1204 char *endp;
1205 int ret;
1206
1207 for(p = key_defs; p->name != NULL; p++) {
1208 if (!strcmp(key, p->name))
1209 return p->keycode;
1210 }
1211 if (strstart(key, "0x", NULL)) {
1212 ret = strtoul(key, &endp, 0);
1213 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1214 return ret;
1215 }
1216 return -1;
1217 }
1218
1219 #define MAX_KEYCODES 16
1220 static uint8_t keycodes[MAX_KEYCODES];
1221 static int nb_pending_keycodes;
1222 static QEMUTimer *key_timer;
1223
1224 static void release_keys(void *opaque)
1225 {
1226 int keycode;
1227
1228 while (nb_pending_keycodes > 0) {
1229 nb_pending_keycodes--;
1230 keycode = keycodes[nb_pending_keycodes];
1231 if (keycode & 0x80)
1232 kbd_put_keycode(0xe0);
1233 kbd_put_keycode(keycode | 0x80);
1234 }
1235 }
1236
1237 static void do_sendkey(Monitor *mon, const QDict *qdict)
1238 {
1239 char keyname_buf[16];
1240 char *separator;
1241 int keyname_len, keycode, i;
1242 const char *string = qdict_get_str(qdict, "string");
1243 int has_hold_time = qdict_haskey(qdict, "hold_time");
1244 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1245
1246 if (nb_pending_keycodes > 0) {
1247 qemu_del_timer(key_timer);
1248 release_keys(NULL);
1249 }
1250 if (!has_hold_time)
1251 hold_time = 100;
1252 i = 0;
1253 while (1) {
1254 separator = strchr(string, '-');
1255 keyname_len = separator ? separator - string : strlen(string);
1256 if (keyname_len > 0) {
1257 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1258 if (keyname_len > sizeof(keyname_buf) - 1) {
1259 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1260 return;
1261 }
1262 if (i == MAX_KEYCODES) {
1263 monitor_printf(mon, "too many keys\n");
1264 return;
1265 }
1266 keyname_buf[keyname_len] = 0;
1267 keycode = get_keycode(keyname_buf);
1268 if (keycode < 0) {
1269 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1270 return;
1271 }
1272 keycodes[i++] = keycode;
1273 }
1274 if (!separator)
1275 break;
1276 string = separator + 1;
1277 }
1278 nb_pending_keycodes = i;
1279 /* key down events */
1280 for (i = 0; i < nb_pending_keycodes; i++) {
1281 keycode = keycodes[i];
1282 if (keycode & 0x80)
1283 kbd_put_keycode(0xe0);
1284 kbd_put_keycode(keycode & 0x7f);
1285 }
1286 /* delayed key up events */
1287 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1288 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1289 }
1290
1291 static int mouse_button_state;
1292
1293 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1294 {
1295 int dx, dy, dz;
1296 const char *dx_str = qdict_get_str(qdict, "dx_str");
1297 const char *dy_str = qdict_get_str(qdict, "dy_str");
1298 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1299 dx = strtol(dx_str, NULL, 0);
1300 dy = strtol(dy_str, NULL, 0);
1301 dz = 0;
1302 if (dz_str)
1303 dz = strtol(dz_str, NULL, 0);
1304 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1305 }
1306
1307 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1308 {
1309 int button_state = qdict_get_int(qdict, "button_state");
1310 mouse_button_state = button_state;
1311 kbd_mouse_event(0, 0, 0, mouse_button_state);
1312 }
1313
1314 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1315 {
1316 int size = qdict_get_int(qdict, "size");
1317 int addr = qdict_get_int(qdict, "addr");
1318 int has_index = qdict_haskey(qdict, "index");
1319 uint32_t val;
1320 int suffix;
1321
1322 if (has_index) {
1323 int index = qdict_get_int(qdict, "index");
1324 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1325 addr++;
1326 }
1327 addr &= 0xffff;
1328
1329 switch(size) {
1330 default:
1331 case 1:
1332 val = cpu_inb(addr);
1333 suffix = 'b';
1334 break;
1335 case 2:
1336 val = cpu_inw(addr);
1337 suffix = 'w';
1338 break;
1339 case 4:
1340 val = cpu_inl(addr);
1341 suffix = 'l';
1342 break;
1343 }
1344 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1345 suffix, addr, size * 2, val);
1346 }
1347
1348 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1349 {
1350 int size = qdict_get_int(qdict, "size");
1351 int addr = qdict_get_int(qdict, "addr");
1352 int val = qdict_get_int(qdict, "val");
1353
1354 addr &= IOPORTS_MASK;
1355
1356 switch (size) {
1357 default:
1358 case 1:
1359 cpu_outb(addr, val);
1360 break;
1361 case 2:
1362 cpu_outw(addr, val);
1363 break;
1364 case 4:
1365 cpu_outl(addr, val);
1366 break;
1367 }
1368 }
1369
1370 static void do_boot_set(Monitor *mon, const QDict *qdict)
1371 {
1372 int res;
1373 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1374
1375 res = qemu_boot_set(bootdevice);
1376 if (res == 0) {
1377 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1378 } else if (res > 0) {
1379 monitor_printf(mon, "setting boot device list failed\n");
1380 } else {
1381 monitor_printf(mon, "no function defined to set boot device list for "
1382 "this architecture\n");
1383 }
1384 }
1385
1386 /**
1387 * do_system_reset(): Issue a machine reset
1388 */
1389 static void do_system_reset(Monitor *mon, const QDict *qdict,
1390 QObject **ret_data)
1391 {
1392 qemu_system_reset_request();
1393 }
1394
1395 /**
1396 * do_system_powerdown(): Issue a machine powerdown
1397 */
1398 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1399 QObject **ret_data)
1400 {
1401 qemu_system_powerdown_request();
1402 }
1403
1404 #if defined(TARGET_I386)
1405 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1406 {
1407 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1408 addr,
1409 pte & mask,
1410 pte & PG_GLOBAL_MASK ? 'G' : '-',
1411 pte & PG_PSE_MASK ? 'P' : '-',
1412 pte & PG_DIRTY_MASK ? 'D' : '-',
1413 pte & PG_ACCESSED_MASK ? 'A' : '-',
1414 pte & PG_PCD_MASK ? 'C' : '-',
1415 pte & PG_PWT_MASK ? 'T' : '-',
1416 pte & PG_USER_MASK ? 'U' : '-',
1417 pte & PG_RW_MASK ? 'W' : '-');
1418 }
1419
1420 static void tlb_info(Monitor *mon)
1421 {
1422 CPUState *env;
1423 int l1, l2;
1424 uint32_t pgd, pde, pte;
1425
1426 env = mon_get_cpu();
1427 if (!env)
1428 return;
1429
1430 if (!(env->cr[0] & CR0_PG_MASK)) {
1431 monitor_printf(mon, "PG disabled\n");
1432 return;
1433 }
1434 pgd = env->cr[3] & ~0xfff;
1435 for(l1 = 0; l1 < 1024; l1++) {
1436 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1437 pde = le32_to_cpu(pde);
1438 if (pde & PG_PRESENT_MASK) {
1439 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1440 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1441 } else {
1442 for(l2 = 0; l2 < 1024; l2++) {
1443 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1444 (uint8_t *)&pte, 4);
1445 pte = le32_to_cpu(pte);
1446 if (pte & PG_PRESENT_MASK) {
1447 print_pte(mon, (l1 << 22) + (l2 << 12),
1448 pte & ~PG_PSE_MASK,
1449 ~0xfff);
1450 }
1451 }
1452 }
1453 }
1454 }
1455 }
1456
1457 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1458 uint32_t end, int prot)
1459 {
1460 int prot1;
1461 prot1 = *plast_prot;
1462 if (prot != prot1) {
1463 if (*pstart != -1) {
1464 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1465 *pstart, end, end - *pstart,
1466 prot1 & PG_USER_MASK ? 'u' : '-',
1467 'r',
1468 prot1 & PG_RW_MASK ? 'w' : '-');
1469 }
1470 if (prot != 0)
1471 *pstart = end;
1472 else
1473 *pstart = -1;
1474 *plast_prot = prot;
1475 }
1476 }
1477
1478 static void mem_info(Monitor *mon)
1479 {
1480 CPUState *env;
1481 int l1, l2, prot, last_prot;
1482 uint32_t pgd, pde, pte, start, end;
1483
1484 env = mon_get_cpu();
1485 if (!env)
1486 return;
1487
1488 if (!(env->cr[0] & CR0_PG_MASK)) {
1489 monitor_printf(mon, "PG disabled\n");
1490 return;
1491 }
1492 pgd = env->cr[3] & ~0xfff;
1493 last_prot = 0;
1494 start = -1;
1495 for(l1 = 0; l1 < 1024; l1++) {
1496 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1497 pde = le32_to_cpu(pde);
1498 end = l1 << 22;
1499 if (pde & PG_PRESENT_MASK) {
1500 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1501 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1502 mem_print(mon, &start, &last_prot, end, prot);
1503 } else {
1504 for(l2 = 0; l2 < 1024; l2++) {
1505 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1506 (uint8_t *)&pte, 4);
1507 pte = le32_to_cpu(pte);
1508 end = (l1 << 22) + (l2 << 12);
1509 if (pte & PG_PRESENT_MASK) {
1510 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1511 } else {
1512 prot = 0;
1513 }
1514 mem_print(mon, &start, &last_prot, end, prot);
1515 }
1516 }
1517 } else {
1518 prot = 0;
1519 mem_print(mon, &start, &last_prot, end, prot);
1520 }
1521 }
1522 }
1523 #endif
1524
1525 #if defined(TARGET_SH4)
1526
1527 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1528 {
1529 monitor_printf(mon, " tlb%i:\t"
1530 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1531 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1532 "dirty=%hhu writethrough=%hhu\n",
1533 idx,
1534 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1535 tlb->v, tlb->sh, tlb->c, tlb->pr,
1536 tlb->d, tlb->wt);
1537 }
1538
1539 static void tlb_info(Monitor *mon)
1540 {
1541 CPUState *env = mon_get_cpu();
1542 int i;
1543
1544 monitor_printf (mon, "ITLB:\n");
1545 for (i = 0 ; i < ITLB_SIZE ; i++)
1546 print_tlb (mon, i, &env->itlb[i]);
1547 monitor_printf (mon, "UTLB:\n");
1548 for (i = 0 ; i < UTLB_SIZE ; i++)
1549 print_tlb (mon, i, &env->utlb[i]);
1550 }
1551
1552 #endif
1553
1554 static void do_info_kvm(Monitor *mon)
1555 {
1556 #ifdef CONFIG_KVM
1557 monitor_printf(mon, "kvm support: ");
1558 if (kvm_enabled())
1559 monitor_printf(mon, "enabled\n");
1560 else
1561 monitor_printf(mon, "disabled\n");
1562 #else
1563 monitor_printf(mon, "kvm support: not compiled\n");
1564 #endif
1565 }
1566
1567 static void do_info_numa(Monitor *mon)
1568 {
1569 int i;
1570 CPUState *env;
1571
1572 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1573 for (i = 0; i < nb_numa_nodes; i++) {
1574 monitor_printf(mon, "node %d cpus:", i);
1575 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1576 if (env->numa_node == i) {
1577 monitor_printf(mon, " %d", env->cpu_index);
1578 }
1579 }
1580 monitor_printf(mon, "\n");
1581 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1582 node_mem[i] >> 20);
1583 }
1584 }
1585
1586 #ifdef CONFIG_PROFILER
1587
1588 int64_t qemu_time;
1589 int64_t dev_time;
1590
1591 static void do_info_profile(Monitor *mon)
1592 {
1593 int64_t total;
1594 total = qemu_time;
1595 if (total == 0)
1596 total = 1;
1597 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1598 dev_time, dev_time / (double)get_ticks_per_sec());
1599 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1600 qemu_time, qemu_time / (double)get_ticks_per_sec());
1601 qemu_time = 0;
1602 dev_time = 0;
1603 }
1604 #else
1605 static void do_info_profile(Monitor *mon)
1606 {
1607 monitor_printf(mon, "Internal profiler not compiled\n");
1608 }
1609 #endif
1610
1611 /* Capture support */
1612 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1613
1614 static void do_info_capture(Monitor *mon)
1615 {
1616 int i;
1617 CaptureState *s;
1618
1619 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1620 monitor_printf(mon, "[%d]: ", i);
1621 s->ops.info (s->opaque);
1622 }
1623 }
1624
1625 #ifdef HAS_AUDIO
1626 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1627 {
1628 int i;
1629 int n = qdict_get_int(qdict, "n");
1630 CaptureState *s;
1631
1632 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1633 if (i == n) {
1634 s->ops.destroy (s->opaque);
1635 QLIST_REMOVE (s, entries);
1636 qemu_free (s);
1637 return;
1638 }
1639 }
1640 }
1641
1642 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1643 {
1644 const char *path = qdict_get_str(qdict, "path");
1645 int has_freq = qdict_haskey(qdict, "freq");
1646 int freq = qdict_get_try_int(qdict, "freq", -1);
1647 int has_bits = qdict_haskey(qdict, "bits");
1648 int bits = qdict_get_try_int(qdict, "bits", -1);
1649 int has_channels = qdict_haskey(qdict, "nchannels");
1650 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1651 CaptureState *s;
1652
1653 s = qemu_mallocz (sizeof (*s));
1654
1655 freq = has_freq ? freq : 44100;
1656 bits = has_bits ? bits : 16;
1657 nchannels = has_channels ? nchannels : 2;
1658
1659 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1660 monitor_printf(mon, "Faied to add wave capture\n");
1661 qemu_free (s);
1662 }
1663 QLIST_INSERT_HEAD (&capture_head, s, entries);
1664 }
1665 #endif
1666
1667 #if defined(TARGET_I386)
1668 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1669 {
1670 CPUState *env;
1671 int cpu_index = qdict_get_int(qdict, "cpu_index");
1672
1673 for (env = first_cpu; env != NULL; env = env->next_cpu)
1674 if (env->cpu_index == cpu_index) {
1675 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1676 break;
1677 }
1678 }
1679 #endif
1680
1681 static void do_info_status(Monitor *mon)
1682 {
1683 if (vm_running) {
1684 if (singlestep) {
1685 monitor_printf(mon, "VM status: running (single step mode)\n");
1686 } else {
1687 monitor_printf(mon, "VM status: running\n");
1688 }
1689 } else
1690 monitor_printf(mon, "VM status: paused\n");
1691 }
1692
1693 /**
1694 * do_balloon(): Request VM to change its memory allocation
1695 */
1696 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1697 {
1698 int value = qdict_get_int(qdict, "value");
1699 ram_addr_t target = value;
1700 qemu_balloon(target << 20);
1701 }
1702
1703 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1704 {
1705 monitor_printf(mon, "balloon: actual=%d\n",
1706 (int)qint_get_int(qobject_to_qint(data)));
1707 }
1708
1709 /**
1710 * do_info_balloon(): Balloon information
1711 */
1712 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1713 {
1714 ram_addr_t actual;
1715
1716 actual = qemu_balloon_status();
1717 if (kvm_enabled() && !kvm_has_sync_mmu())
1718 monitor_printf(mon, "Using KVM without synchronous MMU, "
1719 "ballooning disabled\n");
1720 else if (actual == 0)
1721 monitor_printf(mon, "Ballooning not activated in VM\n");
1722 else
1723 *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1724 }
1725
1726 static qemu_acl *find_acl(Monitor *mon, const char *name)
1727 {
1728 qemu_acl *acl = qemu_acl_find(name);
1729
1730 if (!acl) {
1731 monitor_printf(mon, "acl: unknown list '%s'\n", name);
1732 }
1733 return acl;
1734 }
1735
1736 static void do_acl_show(Monitor *mon, const QDict *qdict)
1737 {
1738 const char *aclname = qdict_get_str(qdict, "aclname");
1739 qemu_acl *acl = find_acl(mon, aclname);
1740 qemu_acl_entry *entry;
1741 int i = 0;
1742
1743 if (acl) {
1744 monitor_printf(mon, "policy: %s\n",
1745 acl->defaultDeny ? "deny" : "allow");
1746 QTAILQ_FOREACH(entry, &acl->entries, next) {
1747 i++;
1748 monitor_printf(mon, "%d: %s %s\n", i,
1749 entry->deny ? "deny" : "allow", entry->match);
1750 }
1751 }
1752 }
1753
1754 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1755 {
1756 const char *aclname = qdict_get_str(qdict, "aclname");
1757 qemu_acl *acl = find_acl(mon, aclname);
1758
1759 if (acl) {
1760 qemu_acl_reset(acl);
1761 monitor_printf(mon, "acl: removed all rules\n");
1762 }
1763 }
1764
1765 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1766 {
1767 const char *aclname = qdict_get_str(qdict, "aclname");
1768 const char *policy = qdict_get_str(qdict, "policy");
1769 qemu_acl *acl = find_acl(mon, aclname);
1770
1771 if (acl) {
1772 if (strcmp(policy, "allow") == 0) {
1773 acl->defaultDeny = 0;
1774 monitor_printf(mon, "acl: policy set to 'allow'\n");
1775 } else if (strcmp(policy, "deny") == 0) {
1776 acl->defaultDeny = 1;
1777 monitor_printf(mon, "acl: policy set to 'deny'\n");
1778 } else {
1779 monitor_printf(mon, "acl: unknown policy '%s', "
1780 "expected 'deny' or 'allow'\n", policy);
1781 }
1782 }
1783 }
1784
1785 static void do_acl_add(Monitor *mon, const QDict *qdict)
1786 {
1787 const char *aclname = qdict_get_str(qdict, "aclname");
1788 const char *match = qdict_get_str(qdict, "match");
1789 const char *policy = qdict_get_str(qdict, "policy");
1790 int has_index = qdict_haskey(qdict, "index");
1791 int index = qdict_get_try_int(qdict, "index", -1);
1792 qemu_acl *acl = find_acl(mon, aclname);
1793 int deny, ret;
1794
1795 if (acl) {
1796 if (strcmp(policy, "allow") == 0) {
1797 deny = 0;
1798 } else if (strcmp(policy, "deny") == 0) {
1799 deny = 1;
1800 } else {
1801 monitor_printf(mon, "acl: unknown policy '%s', "
1802 "expected 'deny' or 'allow'\n", policy);
1803 return;
1804 }
1805 if (has_index)
1806 ret = qemu_acl_insert(acl, deny, match, index);
1807 else
1808 ret = qemu_acl_append(acl, deny, match);
1809 if (ret < 0)
1810 monitor_printf(mon, "acl: unable to add acl entry\n");
1811 else
1812 monitor_printf(mon, "acl: added rule at position %d\n", ret);
1813 }
1814 }
1815
1816 static void do_acl_remove(Monitor *mon, const QDict *qdict)
1817 {
1818 const char *aclname = qdict_get_str(qdict, "aclname");
1819 const char *match = qdict_get_str(qdict, "match");
1820 qemu_acl *acl = find_acl(mon, aclname);
1821 int ret;
1822
1823 if (acl) {
1824 ret = qemu_acl_remove(acl, match);
1825 if (ret < 0)
1826 monitor_printf(mon, "acl: no matching acl entry\n");
1827 else
1828 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1829 }
1830 }
1831
1832 #if defined(TARGET_I386)
1833 static void do_inject_mce(Monitor *mon, const QDict *qdict)
1834 {
1835 CPUState *cenv;
1836 int cpu_index = qdict_get_int(qdict, "cpu_index");
1837 int bank = qdict_get_int(qdict, "bank");
1838 uint64_t status = qdict_get_int(qdict, "status");
1839 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
1840 uint64_t addr = qdict_get_int(qdict, "addr");
1841 uint64_t misc = qdict_get_int(qdict, "misc");
1842
1843 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
1844 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
1845 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
1846 break;
1847 }
1848 }
1849 #endif
1850
1851 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
1852 {
1853 const char *fdname = qdict_get_str(qdict, "fdname");
1854 mon_fd_t *monfd;
1855 int fd;
1856
1857 fd = qemu_chr_get_msgfd(mon->chr);
1858 if (fd == -1) {
1859 monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
1860 return;
1861 }
1862
1863 if (qemu_isdigit(fdname[0])) {
1864 monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
1865 return;
1866 }
1867
1868 fd = dup(fd);
1869 if (fd == -1) {
1870 monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
1871 strerror(errno));
1872 return;
1873 }
1874
1875 QLIST_FOREACH(monfd, &mon->fds, next) {
1876 if (strcmp(monfd->name, fdname) != 0) {
1877 continue;
1878 }
1879
1880 close(monfd->fd);
1881 monfd->fd = fd;
1882 return;
1883 }
1884
1885 monfd = qemu_mallocz(sizeof(mon_fd_t));
1886 monfd->name = qemu_strdup(fdname);
1887 monfd->fd = fd;
1888
1889 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
1890 }
1891
1892 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
1893 {
1894 const char *fdname = qdict_get_str(qdict, "fdname");
1895 mon_fd_t *monfd;
1896
1897 QLIST_FOREACH(monfd, &mon->fds, next) {
1898 if (strcmp(monfd->name, fdname) != 0) {
1899 continue;
1900 }
1901
1902 QLIST_REMOVE(monfd, next);
1903 close(monfd->fd);
1904 qemu_free(monfd->name);
1905 qemu_free(monfd);
1906 return;
1907 }
1908
1909 monitor_printf(mon, "Failed to find file descriptor named %s\n",
1910 fdname);
1911 }
1912
1913 static void do_loadvm(Monitor *mon, const QDict *qdict)
1914 {
1915 int saved_vm_running = vm_running;
1916 const char *name = qdict_get_str(qdict, "name");
1917
1918 vm_stop(0);
1919
1920 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
1921 vm_start();
1922 }
1923
1924 int monitor_get_fd(Monitor *mon, const char *fdname)
1925 {
1926 mon_fd_t *monfd;
1927
1928 QLIST_FOREACH(monfd, &mon->fds, next) {
1929 int fd;
1930
1931 if (strcmp(monfd->name, fdname) != 0) {
1932 continue;
1933 }
1934
1935 fd = monfd->fd;
1936
1937 /* caller takes ownership of fd */
1938 QLIST_REMOVE(monfd, next);
1939 qemu_free(monfd->name);
1940 qemu_free(monfd);
1941
1942 return fd;
1943 }
1944
1945 return -1;
1946 }
1947
1948 static const mon_cmd_t mon_cmds[] = {
1949 #include "qemu-monitor.h"
1950 { NULL, NULL, },
1951 };
1952
1953 /* Please update qemu-monitor.hx when adding or changing commands */
1954 static const mon_cmd_t info_cmds[] = {
1955 {
1956 .name = "version",
1957 .args_type = "",
1958 .params = "",
1959 .help = "show the version of QEMU",
1960 .user_print = monitor_print_qobject,
1961 .mhandler.info_new = do_info_version,
1962 },
1963 {
1964 .name = "network",
1965 .args_type = "",
1966 .params = "",
1967 .help = "show the network state",
1968 .mhandler.info = do_info_network,
1969 },
1970 {
1971 .name = "chardev",
1972 .args_type = "",
1973 .params = "",
1974 .help = "show the character devices",
1975 .mhandler.info = qemu_chr_info,
1976 },
1977 {
1978 .name = "block",
1979 .args_type = "",
1980 .params = "",
1981 .help = "show the block devices",
1982 .mhandler.info = bdrv_info,
1983 },
1984 {
1985 .name = "blockstats",
1986 .args_type = "",
1987 .params = "",
1988 .help = "show block device statistics",
1989 .mhandler.info = bdrv_info_stats,
1990 },
1991 {
1992 .name = "registers",
1993 .args_type = "",
1994 .params = "",
1995 .help = "show the cpu registers",
1996 .mhandler.info = do_info_registers,
1997 },
1998 {
1999 .name = "cpus",
2000 .args_type = "",
2001 .params = "",
2002 .help = "show infos for each CPU",
2003 .user_print = monitor_print_cpus,
2004 .mhandler.info_new = do_info_cpus,
2005 },
2006 {
2007 .name = "history",
2008 .args_type = "",
2009 .params = "",
2010 .help = "show the command line history",
2011 .mhandler.info = do_info_history,
2012 },
2013 {
2014 .name = "irq",
2015 .args_type = "",
2016 .params = "",
2017 .help = "show the interrupts statistics (if available)",
2018 .mhandler.info = irq_info,
2019 },
2020 {
2021 .name = "pic",
2022 .args_type = "",
2023 .params = "",
2024 .help = "show i8259 (PIC) state",
2025 .mhandler.info = pic_info,
2026 },
2027 {
2028 .name = "pci",
2029 .args_type = "",
2030 .params = "",
2031 .help = "show PCI info",
2032 .mhandler.info = pci_info,
2033 },
2034 #if defined(TARGET_I386) || defined(TARGET_SH4)
2035 {
2036 .name = "tlb",
2037 .args_type = "",
2038 .params = "",
2039 .help = "show virtual to physical memory mappings",
2040 .mhandler.info = tlb_info,
2041 },
2042 #endif
2043 #if defined(TARGET_I386)
2044 {
2045 .name = "mem",
2046 .args_type = "",
2047 .params = "",
2048 .help = "show the active virtual memory mappings",
2049 .mhandler.info = mem_info,
2050 },
2051 {
2052 .name = "hpet",
2053 .args_type = "",
2054 .params = "",
2055 .help = "show state of HPET",
2056 .mhandler.info = do_info_hpet,
2057 },
2058 #endif
2059 {
2060 .name = "jit",
2061 .args_type = "",
2062 .params = "",
2063 .help = "show dynamic compiler info",
2064 .mhandler.info = do_info_jit,
2065 },
2066 {
2067 .name = "kvm",
2068 .args_type = "",
2069 .params = "",
2070 .help = "show KVM information",
2071 .mhandler.info = do_info_kvm,
2072 },
2073 {
2074 .name = "numa",
2075 .args_type = "",
2076 .params = "",
2077 .help = "show NUMA information",
2078 .mhandler.info = do_info_numa,
2079 },
2080 {
2081 .name = "usb",
2082 .args_type = "",
2083 .params = "",
2084 .help = "show guest USB devices",
2085 .mhandler.info = usb_info,
2086 },
2087 {
2088 .name = "usbhost",
2089 .args_type = "",
2090 .params = "",
2091 .help = "show host USB devices",
2092 .mhandler.info = usb_host_info,
2093 },
2094 {
2095 .name = "profile",
2096 .args_type = "",
2097 .params = "",
2098 .help = "show profiling information",
2099 .mhandler.info = do_info_profile,
2100 },
2101 {
2102 .name = "capture",
2103 .args_type = "",
2104 .params = "",
2105 .help = "show capture information",
2106 .mhandler.info = do_info_capture,
2107 },
2108 {
2109 .name = "snapshots",
2110 .args_type = "",
2111 .params = "",
2112 .help = "show the currently saved VM snapshots",
2113 .mhandler.info = do_info_snapshots,
2114 },
2115 {
2116 .name = "status",
2117 .args_type = "",
2118 .params = "",
2119 .help = "show the current VM status (running|paused)",
2120 .mhandler.info = do_info_status,
2121 },
2122 {
2123 .name = "pcmcia",
2124 .args_type = "",
2125 .params = "",
2126 .help = "show guest PCMCIA status",
2127 .mhandler.info = pcmcia_info,
2128 },
2129 {
2130 .name = "mice",
2131 .args_type = "",
2132 .params = "",
2133 .help = "show which guest mouse is receiving events",
2134 .mhandler.info = do_info_mice,
2135 },
2136 {
2137 .name = "vnc",
2138 .args_type = "",
2139 .params = "",
2140 .help = "show the vnc server status",
2141 .mhandler.info = do_info_vnc,
2142 },
2143 {
2144 .name = "name",
2145 .args_type = "",
2146 .params = "",
2147 .help = "show the current VM name",
2148 .mhandler.info = do_info_name,
2149 },
2150 {
2151 .name = "uuid",
2152 .args_type = "",
2153 .params = "",
2154 .help = "show the current VM UUID",
2155 .mhandler.info = do_info_uuid,
2156 },
2157 #if defined(TARGET_PPC)
2158 {
2159 .name = "cpustats",
2160 .args_type = "",
2161 .params = "",
2162 .help = "show CPU statistics",
2163 .mhandler.info = do_info_cpu_stats,
2164 },
2165 #endif
2166 #if defined(CONFIG_SLIRP)
2167 {
2168 .name = "usernet",
2169 .args_type = "",
2170 .params = "",
2171 .help = "show user network stack connection states",
2172 .mhandler.info = do_info_usernet,
2173 },
2174 #endif
2175 {
2176 .name = "migrate",
2177 .args_type = "",
2178 .params = "",
2179 .help = "show migration status",
2180 .mhandler.info = do_info_migrate,
2181 },
2182 {
2183 .name = "balloon",
2184 .args_type = "",
2185 .params = "",
2186 .help = "show balloon information",
2187 .user_print = monitor_print_balloon,
2188 .mhandler.info_new = do_info_balloon,
2189 },
2190 {
2191 .name = "qtree",
2192 .args_type = "",
2193 .params = "",
2194 .help = "show device tree",
2195 .mhandler.info = do_info_qtree,
2196 },
2197 {
2198 .name = "qdm",
2199 .args_type = "",
2200 .params = "",
2201 .help = "show qdev device model list",
2202 .mhandler.info = do_info_qdm,
2203 },
2204 {
2205 .name = "roms",
2206 .args_type = "",
2207 .params = "",
2208 .help = "show roms",
2209 .mhandler.info = do_info_roms,
2210 },
2211 {
2212 .name = NULL,
2213 },
2214 };
2215
2216 /*******************************************************************/
2217
2218 static const char *pch;
2219 static jmp_buf expr_env;
2220
2221 #define MD_TLONG 0
2222 #define MD_I32 1
2223
2224 typedef struct MonitorDef {
2225 const char *name;
2226 int offset;
2227 target_long (*get_value)(const struct MonitorDef *md, int val);
2228 int type;
2229 } MonitorDef;
2230
2231 #if defined(TARGET_I386)
2232 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2233 {
2234 CPUState *env = mon_get_cpu();
2235 if (!env)
2236 return 0;
2237 return env->eip + env->segs[R_CS].base;
2238 }
2239 #endif
2240
2241 #if defined(TARGET_PPC)
2242 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2243 {
2244 CPUState *env = mon_get_cpu();
2245 unsigned int u;
2246 int i;
2247
2248 if (!env)
2249 return 0;
2250
2251 u = 0;
2252 for (i = 0; i < 8; i++)
2253 u |= env->crf[i] << (32 - (4 * i));
2254
2255 return u;
2256 }
2257
2258 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2259 {
2260 CPUState *env = mon_get_cpu();
2261 if (!env)
2262 return 0;
2263 return env->msr;
2264 }
2265
2266 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2267 {
2268 CPUState *env = mon_get_cpu();
2269 if (!env)
2270 return 0;
2271 return env->xer;
2272 }
2273
2274 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2275 {
2276 CPUState *env = mon_get_cpu();
2277 if (!env)
2278 return 0;
2279 return cpu_ppc_load_decr(env);
2280 }
2281
2282 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2283 {
2284 CPUState *env = mon_get_cpu();
2285 if (!env)
2286 return 0;
2287 return cpu_ppc_load_tbu(env);
2288 }
2289
2290 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2291 {
2292 CPUState *env = mon_get_cpu();
2293 if (!env)
2294 return 0;
2295 return cpu_ppc_load_tbl(env);
2296 }
2297 #endif
2298
2299 #if defined(TARGET_SPARC)
2300 #ifndef TARGET_SPARC64
2301 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2302 {
2303 CPUState *env = mon_get_cpu();
2304 if (!env)
2305 return 0;
2306 return GET_PSR(env);
2307 }
2308 #endif
2309
2310 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2311 {
2312 CPUState *env = mon_get_cpu();
2313 if (!env)
2314 return 0;
2315 return env->regwptr[val];
2316 }
2317 #endif
2318
2319 static const MonitorDef monitor_defs[] = {
2320 #ifdef TARGET_I386
2321
2322 #define SEG(name, seg) \
2323 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2324 { name ".base", offsetof(CPUState, segs[seg].base) },\
2325 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2326
2327 { "eax", offsetof(CPUState, regs[0]) },
2328 { "ecx", offsetof(CPUState, regs[1]) },
2329 { "edx", offsetof(CPUState, regs[2]) },
2330 { "ebx", offsetof(CPUState, regs[3]) },
2331 { "esp|sp", offsetof(CPUState, regs[4]) },
2332 { "ebp|fp", offsetof(CPUState, regs[5]) },
2333 { "esi", offsetof(CPUState, regs[6]) },
2334 { "edi", offsetof(CPUState, regs[7]) },
2335 #ifdef TARGET_X86_64
2336 { "r8", offsetof(CPUState, regs[8]) },
2337 { "r9", offsetof(CPUState, regs[9]) },
2338 { "r10", offsetof(CPUState, regs[10]) },
2339 { "r11", offsetof(CPUState, regs[11]) },
2340 { "r12", offsetof(CPUState, regs[12]) },
2341 { "r13", offsetof(CPUState, regs[13]) },
2342 { "r14", offsetof(CPUState, regs[14]) },
2343 { "r15", offsetof(CPUState, regs[15]) },
2344 #endif
2345 { "eflags", offsetof(CPUState, eflags) },
2346 { "eip", offsetof(CPUState, eip) },
2347 SEG("cs", R_CS)
2348 SEG("ds", R_DS)
2349 SEG("es", R_ES)
2350 SEG("ss", R_SS)
2351 SEG("fs", R_FS)
2352 SEG("gs", R_GS)
2353 { "pc", 0, monitor_get_pc, },
2354 #elif defined(TARGET_PPC)
2355 /* General purpose registers */
2356 { "r0", offsetof(CPUState, gpr[0]) },
2357 { "r1", offsetof(CPUState, gpr[1]) },
2358 { "r2", offsetof(CPUState, gpr[2]) },
2359 { "r3", offsetof(CPUState, gpr[3]) },
2360 { "r4", offsetof(CPUState, gpr[4]) },
2361 { "r5", offsetof(CPUState, gpr[5]) },
2362 { "r6", offsetof(CPUState, gpr[6]) },
2363 { "r7", offsetof(CPUState, gpr[7]) },
2364 { "r8", offsetof(CPUState, gpr[8]) },
2365 { "r9", offsetof(CPUState, gpr[9]) },
2366 { "r10", offsetof(CPUState, gpr[10]) },
2367 { "r11", offsetof(CPUState, gpr[11]) },
2368 { "r12", offsetof(CPUState, gpr[12]) },
2369 { "r13", offsetof(CPUState, gpr[13]) },
2370 { "r14", offsetof(CPUState, gpr[14]) },
2371 { "r15", offsetof(CPUState, gpr[15]) },
2372 { "r16", offsetof(CPUState, gpr[16]) },
2373 { "r17", offsetof(CPUState, gpr[17]) },
2374 { "r18", offsetof(CPUState, gpr[18]) },
2375 { "r19", offsetof(CPUState, gpr[19]) },
2376 { "r20", offsetof(CPUState, gpr[20]) },
2377 { "r21", offsetof(CPUState, gpr[21]) },
2378 { "r22", offsetof(CPUState, gpr[22]) },
2379 { "r23", offsetof(CPUState, gpr[23]) },
2380 { "r24", offsetof(CPUState, gpr[24]) },
2381 { "r25", offsetof(CPUState, gpr[25]) },
2382 { "r26", offsetof(CPUState, gpr[26]) },
2383 { "r27", offsetof(CPUState, gpr[27]) },
2384 { "r28", offsetof(CPUState, gpr[28]) },
2385 { "r29", offsetof(CPUState, gpr[29]) },
2386 { "r30", offsetof(CPUState, gpr[30]) },
2387 { "r31", offsetof(CPUState, gpr[31]) },
2388 /* Floating point registers */
2389 { "f0", offsetof(CPUState, fpr[0]) },
2390 { "f1", offsetof(CPUState, fpr[1]) },
2391 { "f2", offsetof(CPUState, fpr[2]) },
2392 { "f3", offsetof(CPUState, fpr[3]) },
2393 { "f4", offsetof(CPUState, fpr[4]) },
2394 { "f5", offsetof(CPUState, fpr[5]) },
2395 { "f6", offsetof(CPUState, fpr[6]) },
2396 { "f7", offsetof(CPUState, fpr[7]) },
2397 { "f8", offsetof(CPUState, fpr[8]) },
2398 { "f9", offsetof(CPUState, fpr[9]) },
2399 { "f10", offsetof(CPUState, fpr[10]) },
2400 { "f11", offsetof(CPUState, fpr[11]) },
2401 { "f12", offsetof(CPUState, fpr[12]) },
2402 { "f13", offsetof(CPUState, fpr[13]) },
2403 { "f14", offsetof(CPUState, fpr[14]) },
2404 { "f15", offsetof(CPUState, fpr[15]) },
2405 { "f16", offsetof(CPUState, fpr[16]) },
2406 { "f17", offsetof(CPUState, fpr[17]) },
2407 { "f18", offsetof(CPUState, fpr[18]) },
2408 { "f19", offsetof(CPUState, fpr[19]) },
2409 { "f20", offsetof(CPUState, fpr[20]) },
2410 { "f21", offsetof(CPUState, fpr[21]) },
2411 { "f22", offsetof(CPUState, fpr[22]) },
2412 { "f23", offsetof(CPUState, fpr[23]) },
2413 { "f24", offsetof(CPUState, fpr[24]) },
2414 { "f25", offsetof(CPUState, fpr[25]) },
2415 { "f26", offsetof(CPUState, fpr[26]) },
2416 { "f27", offsetof(CPUState, fpr[27]) },
2417 { "f28", offsetof(CPUState, fpr[28]) },
2418 { "f29", offsetof(CPUState, fpr[29]) },
2419 { "f30", offsetof(CPUState, fpr[30]) },
2420 { "f31", offsetof(CPUState, fpr[31]) },
2421 { "fpscr", offsetof(CPUState, fpscr) },
2422 /* Next instruction pointer */
2423 { "nip|pc", offsetof(CPUState, nip) },
2424 { "lr", offsetof(CPUState, lr) },
2425 { "ctr", offsetof(CPUState, ctr) },
2426 { "decr", 0, &monitor_get_decr, },
2427 { "ccr", 0, &monitor_get_ccr, },
2428 /* Machine state register */
2429 { "msr", 0, &monitor_get_msr, },
2430 { "xer", 0, &monitor_get_xer, },
2431 { "tbu", 0, &monitor_get_tbu, },
2432 { "tbl", 0, &monitor_get_tbl, },
2433 #if defined(TARGET_PPC64)
2434 /* Address space register */
2435 { "asr", offsetof(CPUState, asr) },
2436 #endif
2437 /* Segment registers */
2438 { "sdr1", offsetof(CPUState, sdr1) },
2439 { "sr0", offsetof(CPUState, sr[0]) },
2440 { "sr1", offsetof(CPUState, sr[1]) },
2441 { "sr2", offsetof(CPUState, sr[2]) },
2442 { "sr3", offsetof(CPUState, sr[3]) },
2443 { "sr4", offsetof(CPUState, sr[4]) },
2444 { "sr5", offsetof(CPUState, sr[5]) },
2445 { "sr6", offsetof(CPUState, sr[6]) },
2446 { "sr7", offsetof(CPUState, sr[7]) },
2447 { "sr8", offsetof(CPUState, sr[8]) },
2448 { "sr9", offsetof(CPUState, sr[9]) },
2449 { "sr10", offsetof(CPUState, sr[10]) },
2450 { "sr11", offsetof(CPUState, sr[11]) },
2451 { "sr12", offsetof(CPUState, sr[12]) },
2452 { "sr13", offsetof(CPUState, sr[13]) },
2453 { "sr14", offsetof(CPUState, sr[14]) },
2454 { "sr15", offsetof(CPUState, sr[15]) },
2455 /* Too lazy to put BATs and SPRs ... */
2456 #elif defined(TARGET_SPARC)
2457 { "g0", offsetof(CPUState, gregs[0]) },
2458 { "g1", offsetof(CPUState, gregs[1]) },
2459 { "g2", offsetof(CPUState, gregs[2]) },
2460 { "g3", offsetof(CPUState, gregs[3]) },
2461 { "g4", offsetof(CPUState, gregs[4]) },
2462 { "g5", offsetof(CPUState, gregs[5]) },
2463 { "g6", offsetof(CPUState, gregs[6]) },
2464 { "g7", offsetof(CPUState, gregs[7]) },
2465 { "o0", 0, monitor_get_reg },
2466 { "o1", 1, monitor_get_reg },
2467 { "o2", 2, monitor_get_reg },
2468 { "o3", 3, monitor_get_reg },
2469 { "o4", 4, monitor_get_reg },
2470 { "o5", 5, monitor_get_reg },
2471 { "o6", 6, monitor_get_reg },
2472 { "o7", 7, monitor_get_reg },
2473 { "l0", 8, monitor_get_reg },
2474 { "l1", 9, monitor_get_reg },
2475 { "l2", 10, monitor_get_reg },
2476 { "l3", 11, monitor_get_reg },
2477 { "l4", 12, monitor_get_reg },
2478 { "l5", 13, monitor_get_reg },
2479 { "l6", 14, monitor_get_reg },
2480 { "l7", 15, monitor_get_reg },
2481 { "i0", 16, monitor_get_reg },
2482 { "i1", 17, monitor_get_reg },
2483 { "i2", 18, monitor_get_reg },
2484 { "i3", 19, monitor_get_reg },
2485 { "i4", 20, monitor_get_reg },
2486 { "i5", 21, monitor_get_reg },
2487 { "i6", 22, monitor_get_reg },
2488 { "i7", 23, monitor_get_reg },
2489 { "pc", offsetof(CPUState, pc) },
2490 { "npc", offsetof(CPUState, npc) },
2491 { "y", offsetof(CPUState, y) },
2492 #ifndef TARGET_SPARC64
2493 { "psr", 0, &monitor_get_psr, },
2494 { "wim", offsetof(CPUState, wim) },
2495 #endif
2496 { "tbr", offsetof(CPUState, tbr) },
2497 { "fsr", offsetof(CPUState, fsr) },
2498 { "f0", offsetof(CPUState, fpr[0]) },
2499 { "f1", offsetof(CPUState, fpr[1]) },
2500 { "f2", offsetof(CPUState, fpr[2]) },
2501 { "f3", offsetof(CPUState, fpr[3]) },
2502 { "f4", offsetof(CPUState, fpr[4]) },
2503 { "f5", offsetof(CPUState, fpr[5]) },
2504 { "f6", offsetof(CPUState, fpr[6]) },
2505 { "f7", offsetof(CPUState, fpr[7]) },
2506 { "f8", offsetof(CPUState, fpr[8]) },
2507 { "f9", offsetof(CPUState, fpr[9]) },
2508 { "f10", offsetof(CPUState, fpr[10]) },
2509 { "f11", offsetof(CPUState, fpr[11]) },
2510 { "f12", offsetof(CPUState, fpr[12]) },
2511 { "f13", offsetof(CPUState, fpr[13]) },
2512 { "f14", offsetof(CPUState, fpr[14]) },
2513 { "f15", offsetof(CPUState, fpr[15]) },
2514 { "f16", offsetof(CPUState, fpr[16]) },
2515 { "f17", offsetof(CPUState, fpr[17]) },
2516 { "f18", offsetof(CPUState, fpr[18]) },
2517 { "f19", offsetof(CPUState, fpr[19]) },
2518 { "f20", offsetof(CPUState, fpr[20]) },
2519 { "f21", offsetof(CPUState, fpr[21]) },
2520 { "f22", offsetof(CPUState, fpr[22]) },
2521 { "f23", offsetof(CPUState, fpr[23]) },
2522 { "f24", offsetof(CPUState, fpr[24]) },
2523 { "f25", offsetof(CPUState, fpr[25]) },
2524 { "f26", offsetof(CPUState, fpr[26]) },
2525 { "f27", offsetof(CPUState, fpr[27]) },
2526 { "f28", offsetof(CPUState, fpr[28]) },
2527 { "f29", offsetof(CPUState, fpr[29]) },
2528 { "f30", offsetof(CPUState, fpr[30]) },
2529 { "f31", offsetof(CPUState, fpr[31]) },
2530 #ifdef TARGET_SPARC64
2531 { "f32", offsetof(CPUState, fpr[32]) },
2532 { "f34", offsetof(CPUState, fpr[34]) },
2533 { "f36", offsetof(CPUState, fpr[36]) },
2534 { "f38", offsetof(CPUState, fpr[38]) },
2535 { "f40", offsetof(CPUState, fpr[40]) },
2536 { "f42", offsetof(CPUState, fpr[42]) },
2537 { "f44", offsetof(CPUState, fpr[44]) },
2538 { "f46", offsetof(CPUState, fpr[46]) },
2539 { "f48", offsetof(CPUState, fpr[48]) },
2540 { "f50", offsetof(CPUState, fpr[50]) },
2541 { "f52", offsetof(CPUState, fpr[52]) },
2542 { "f54", offsetof(CPUState, fpr[54]) },
2543 { "f56", offsetof(CPUState, fpr[56]) },
2544 { "f58", offsetof(CPUState, fpr[58]) },
2545 { "f60", offsetof(CPUState, fpr[60]) },
2546 { "f62", offsetof(CPUState, fpr[62]) },
2547 { "asi", offsetof(CPUState, asi) },
2548 { "pstate", offsetof(CPUState, pstate) },
2549 { "cansave", offsetof(CPUState, cansave) },
2550 { "canrestore", offsetof(CPUState, canrestore) },
2551 { "otherwin", offsetof(CPUState, otherwin) },
2552 { "wstate", offsetof(CPUState, wstate) },
2553 { "cleanwin", offsetof(CPUState, cleanwin) },
2554 { "fprs", offsetof(CPUState, fprs) },
2555 #endif
2556 #endif
2557 { NULL },
2558 };
2559
2560 static void expr_error(Monitor *mon, const char *msg)
2561 {
2562 monitor_printf(mon, "%s\n", msg);
2563 longjmp(expr_env, 1);
2564 }
2565
2566 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2567 static int get_monitor_def(target_long *pval, const char *name)
2568 {
2569 const MonitorDef *md;
2570 void *ptr;
2571
2572 for(md = monitor_defs; md->name != NULL; md++) {
2573 if (compare_cmd(name, md->name)) {
2574 if (md->get_value) {
2575 *pval = md->get_value(md, md->offset);
2576 } else {
2577 CPUState *env = mon_get_cpu();
2578 if (!env)
2579 return -2;
2580 ptr = (uint8_t *)env + md->offset;
2581 switch(md->type) {
2582 case MD_I32:
2583 *pval = *(int32_t *)ptr;
2584 break;
2585 case MD_TLONG:
2586 *pval = *(target_long *)ptr;
2587 break;
2588 default:
2589 *pval = 0;
2590 break;
2591 }
2592 }
2593 return 0;
2594 }
2595 }
2596 return -1;
2597 }
2598
2599 static void next(void)
2600 {
2601 if (*pch != '\0') {
2602 pch++;
2603 while (qemu_isspace(*pch))
2604 pch++;
2605 }
2606 }
2607
2608 static int64_t expr_sum(Monitor *mon);
2609
2610 static int64_t expr_unary(Monitor *mon)
2611 {
2612 int64_t n;
2613 char *p;
2614 int ret;
2615
2616 switch(*pch) {
2617 case '+':
2618 next();
2619 n = expr_unary(mon);
2620 break;
2621 case '-':
2622 next();
2623 n = -expr_unary(mon);
2624 break;
2625 case '~':
2626 next();
2627 n = ~expr_unary(mon);
2628 break;
2629 case '(':
2630 next();
2631 n = expr_sum(mon);
2632 if (*pch != ')') {
2633 expr_error(mon, "')' expected");
2634 }
2635 next();
2636 break;
2637 case '\'':
2638 pch++;
2639 if (*pch == '\0')
2640 expr_error(mon, "character constant expected");
2641 n = *pch;
2642 pch++;
2643 if (*pch != '\'')
2644 expr_error(mon, "missing terminating \' character");
2645 next();
2646 break;
2647 case '$':
2648 {
2649 char buf[128], *q;
2650 target_long reg=0;
2651
2652 pch++;
2653 q = buf;
2654 while ((*pch >= 'a' && *pch <= 'z') ||
2655 (*pch >= 'A' && *pch <= 'Z') ||
2656 (*pch >= '0' && *pch <= '9') ||
2657 *pch == '_' || *pch == '.') {
2658 if ((q - buf) < sizeof(buf) - 1)
2659 *q++ = *pch;
2660 pch++;
2661 }
2662 while (qemu_isspace(*pch))
2663 pch++;
2664 *q = 0;
2665 ret = get_monitor_def(&reg, buf);
2666 if (ret == -1)
2667 expr_error(mon, "unknown register");
2668 else if (ret == -2)
2669 expr_error(mon, "no cpu defined");
2670 n = reg;
2671 }
2672 break;
2673 case '\0':
2674 expr_error(mon, "unexpected end of expression");
2675 n = 0;
2676 break;
2677 default:
2678 #if TARGET_PHYS_ADDR_BITS > 32
2679 n = strtoull(pch, &p, 0);
2680 #else
2681 n = strtoul(pch, &p, 0);
2682 #endif
2683 if (pch == p) {
2684 expr_error(mon, "invalid char in expression");
2685 }
2686 pch = p;
2687 while (qemu_isspace(*pch))
2688 pch++;
2689 break;
2690 }
2691 return n;
2692 }
2693
2694
2695 static int64_t expr_prod(Monitor *mon)
2696 {
2697 int64_t val, val2;
2698 int op;
2699
2700 val = expr_unary(mon);
2701 for(;;) {
2702 op = *pch;
2703 if (op != '*' && op != '/' && op != '%')
2704 break;
2705 next();
2706 val2 = expr_unary(mon);
2707 switch(op) {
2708 default:
2709 case '*':
2710 val *= val2;
2711 break;
2712 case '/':
2713 case '%':
2714 if (val2 == 0)
2715 expr_error(mon, "division by zero");
2716 if (op == '/')
2717 val /= val2;
2718 else
2719 val %= val2;
2720 break;
2721 }
2722 }
2723 return val;
2724 }
2725
2726 static int64_t expr_logic(Monitor *mon)
2727 {
2728 int64_t val, val2;
2729 int op;
2730
2731 val = expr_prod(mon);
2732 for(;;) {
2733 op = *pch;
2734 if (op != '&' && op != '|' && op != '^')
2735 break;
2736 next();
2737 val2 = expr_prod(mon);
2738 switch(op) {
2739 default:
2740 case '&':
2741 val &= val2;
2742 break;
2743 case '|':
2744 val |= val2;
2745 break;
2746 case '^':
2747 val ^= val2;
2748 break;
2749 }
2750 }
2751 return val;
2752 }
2753
2754 static int64_t expr_sum(Monitor *mon)
2755 {
2756 int64_t val, val2;
2757 int op;
2758
2759 val = expr_logic(mon);
2760 for(;;) {
2761 op = *pch;
2762 if (op != '+' && op != '-')
2763 break;
2764 next();
2765 val2 = expr_logic(mon);
2766 if (op == '+')
2767 val += val2;
2768 else
2769 val -= val2;
2770 }
2771 return val;
2772 }
2773
2774 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2775 {
2776 pch = *pp;
2777 if (setjmp(expr_env)) {
2778 *pp = pch;
2779 return -1;
2780 }
2781 while (qemu_isspace(*pch))
2782 pch++;
2783 *pval = expr_sum(mon);
2784 *pp = pch;
2785 return 0;
2786 }
2787
2788 static int get_str(char *buf, int buf_size, const char **pp)
2789 {
2790 const char *p;
2791 char *q;
2792 int c;
2793
2794 q = buf;
2795 p = *pp;
2796 while (qemu_isspace(*p))
2797 p++;
2798 if (*p == '\0') {
2799 fail:
2800 *q = '\0';
2801 *pp = p;
2802 return -1;
2803 }
2804 if (*p == '\"') {
2805 p++;
2806 while (*p != '\0' && *p != '\"') {
2807 if (*p == '\\') {
2808 p++;
2809 c = *p++;
2810 switch(c) {
2811 case 'n':
2812 c = '\n';
2813 break;
2814 case 'r':
2815 c = '\r';
2816 break;
2817 case '\\':
2818 case '\'':
2819 case '\"':
2820 break;
2821 default:
2822 qemu_printf("unsupported escape code: '\\%c'\n", c);
2823 goto fail;
2824 }
2825 if ((q - buf) < buf_size - 1) {
2826 *q++ = c;
2827 }
2828 } else {
2829 if ((q - buf) < buf_size - 1) {
2830 *q++ = *p;
2831 }
2832 p++;
2833 }
2834 }
2835 if (*p != '\"') {
2836 qemu_printf("unterminated string\n");
2837 goto fail;
2838 }
2839 p++;
2840 } else {
2841 while (*p != '\0' && !qemu_isspace(*p)) {
2842 if ((q - buf) < buf_size - 1) {
2843 *q++ = *p;
2844 }
2845 p++;
2846 }
2847 }
2848 *q = '\0';
2849 *pp = p;
2850 return 0;
2851 }
2852
2853 /*
2854 * Store the command-name in cmdname, and return a pointer to
2855 * the remaining of the command string.
2856 */
2857 static const char *get_command_name(const char *cmdline,
2858 char *cmdname, size_t nlen)
2859 {
2860 size_t len;
2861 const char *p, *pstart;
2862
2863 p = cmdline;
2864 while (qemu_isspace(*p))
2865 p++;
2866 if (*p == '\0')
2867 return NULL;
2868 pstart = p;
2869 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2870 p++;
2871 len = p - pstart;
2872 if (len > nlen - 1)
2873 len = nlen - 1;
2874 memcpy(cmdname, pstart, len);
2875 cmdname[len] = '\0';
2876 return p;
2877 }
2878
2879 /**
2880 * Read key of 'type' into 'key' and return the current
2881 * 'type' pointer.
2882 */
2883 static char *key_get_info(const char *type, char **key)
2884 {
2885 size_t len;
2886 char *p, *str;
2887
2888 if (*type == ',')
2889 type++;
2890
2891 p = strchr(type, ':');
2892 if (!p) {
2893 *key = NULL;
2894 return NULL;
2895 }
2896 len = p - type;
2897
2898 str = qemu_malloc(len + 1);
2899 memcpy(str, type, len);
2900 str[len] = '\0';
2901
2902 *key = str;
2903 return ++p;
2904 }
2905
2906 static int default_fmt_format = 'x';
2907 static int default_fmt_size = 4;
2908
2909 #define MAX_ARGS 16
2910
2911 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2912 const char *cmdline,
2913 QDict *qdict)
2914 {
2915 const char *p, *typestr;
2916 int c;
2917 const mon_cmd_t *cmd;
2918 char cmdname[256];
2919 char buf[1024];
2920 char *key;
2921
2922 #ifdef DEBUG
2923 monitor_printf(mon, "command='%s'\n", cmdline);
2924 #endif
2925
2926 /* extract the command name */
2927 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2928 if (!p)
2929 return NULL;
2930
2931 /* find the command */
2932 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2933 if (compare_cmd(cmdname, cmd->name))
2934 break;
2935 }
2936
2937 if (cmd->name == NULL) {
2938 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2939 return NULL;
2940 }
2941
2942 /* parse the parameters */
2943 typestr = cmd->args_type;
2944 for(;;) {
2945 typestr = key_get_info(typestr, &key);
2946 if (!typestr)
2947 break;
2948 c = *typestr;
2949 typestr++;
2950 switch(c) {
2951 case 'F':
2952 case 'B':
2953 case 's':
2954 {
2955 int ret;
2956
2957 while (qemu_isspace(*p))
2958 p++;
2959 if (*typestr == '?') {
2960 typestr++;
2961 if (*p == '\0') {
2962 /* no optional string: NULL argument */
2963 break;
2964 }
2965 }
2966 ret = get_str(buf, sizeof(buf), &p);
2967 if (ret < 0) {
2968 switch(c) {
2969 case 'F':
2970 monitor_printf(mon, "%s: filename expected\n",
2971 cmdname);
2972 break;
2973 case 'B':
2974 monitor_printf(mon, "%s: block device name expected\n",
2975 cmdname);
2976 break;
2977 default:
2978 monitor_printf(mon, "%s: string expected\n", cmdname);
2979 break;
2980 }
2981 goto fail;
2982 }
2983 qdict_put(qdict, key, qstring_from_str(buf));
2984 }
2985 break;
2986 case '/':
2987 {
2988 int count, format, size;
2989
2990 while (qemu_isspace(*p))
2991 p++;
2992 if (*p == '/') {
2993 /* format found */
2994 p++;
2995 count = 1;
2996 if (qemu_isdigit(*p)) {
2997 count = 0;
2998 while (qemu_isdigit(*p)) {
2999 count = count * 10 + (*p - '0');
3000 p++;
3001 }
3002 }
3003 size = -1;
3004 format = -1;
3005 for(;;) {
3006 switch(*p) {
3007 case 'o':
3008 case 'd':
3009 case 'u':
3010 case 'x':
3011 case 'i':
3012 case 'c':
3013 format = *p++;
3014 break;
3015 case 'b':
3016 size = 1;
3017 p++;
3018 break;
3019 case 'h':
3020 size = 2;
3021 p++;
3022 break;
3023 case 'w':
3024 size = 4;
3025 p++;
3026 break;
3027 case 'g':
3028 case 'L':
3029 size = 8;
3030 p++;
3031 break;
3032 default:
3033 goto next;
3034 }
3035 }
3036 next:
3037 if (*p != '\0' && !qemu_isspace(*p)) {
3038 monitor_printf(mon, "invalid char in format: '%c'\n",
3039 *p);
3040 goto fail;
3041 }
3042 if (format < 0)
3043 format = default_fmt_format;
3044 if (format != 'i') {
3045 /* for 'i', not specifying a size gives -1 as size */
3046 if (size < 0)
3047 size = default_fmt_size;
3048 default_fmt_size = size;
3049 }
3050 default_fmt_format = format;
3051 } else {
3052 count = 1;
3053 format = default_fmt_format;
3054 if (format != 'i') {
3055 size = default_fmt_size;
3056 } else {
3057 size = -1;
3058 }
3059 }
3060 qdict_put(qdict, "count", qint_from_int(count));
3061 qdict_put(qdict, "format", qint_from_int(format));
3062 qdict_put(qdict, "size", qint_from_int(size));
3063 }
3064 break;
3065 case 'i':
3066 case 'l':
3067 {
3068 int64_t val;
3069
3070 while (qemu_isspace(*p))
3071 p++;
3072 if (*typestr == '?' || *typestr == '.') {
3073 if (*typestr == '?') {
3074 if (*p == '\0') {
3075 typestr++;
3076 break;
3077 }
3078 } else {
3079 if (*p == '.') {
3080 p++;
3081 while (qemu_isspace(*p))
3082 p++;
3083 } else {
3084 typestr++;
3085 break;
3086 }
3087 }
3088 typestr++;
3089 }
3090 if (get_expr(mon, &val, &p))
3091 goto fail;
3092 /* Check if 'i' is greater than 32-bit */
3093 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3094 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3095 monitor_printf(mon, "integer is for 32-bit values\n");
3096 goto fail;
3097 }
3098 qdict_put(qdict, key, qint_from_int(val));
3099 }
3100 break;
3101 case '-':
3102 {
3103 int has_option;
3104 /* option */
3105
3106 c = *typestr++;
3107 if (c == '\0')
3108 goto bad_type;
3109 while (qemu_isspace(*p))
3110 p++;
3111 has_option = 0;
3112 if (*p == '-') {
3113 p++;
3114 if (*p != c) {
3115 monitor_printf(mon, "%s: unsupported option -%c\n",
3116 cmdname, *p);
3117 goto fail;
3118 }
3119 p++;
3120 has_option = 1;
3121 }
3122 qdict_put(qdict, key, qint_from_int(has_option));
3123 }
3124 break;
3125 default:
3126 bad_type:
3127 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3128 goto fail;
3129 }
3130 qemu_free(key);
3131 key = NULL;
3132 }
3133 /* check that all arguments were parsed */
3134 while (qemu_isspace(*p))
3135 p++;
3136 if (*p != '\0') {
3137 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3138 cmdname);
3139 goto fail;
3140 }
3141
3142 return cmd;
3143
3144 fail:
3145 qemu_free(key);
3146 return NULL;
3147 }
3148
3149 static void monitor_handle_command(Monitor *mon, const char *cmdline)
3150 {
3151 QDict *qdict;
3152 const mon_cmd_t *cmd;
3153
3154 qdict = qdict_new();
3155
3156 cmd = monitor_parse_command(mon, cmdline, qdict);
3157 if (!cmd)
3158 goto out;
3159
3160 qemu_errors_to_mon(mon);
3161
3162 if (monitor_handler_ported(cmd)) {
3163 QObject *data = NULL;
3164
3165 cmd->mhandler.cmd_new(mon, qdict, &data);
3166 if (data)
3167 cmd->user_print(mon, data);
3168
3169 qobject_decref(data);
3170 } else {
3171 cmd->mhandler.cmd(mon, qdict);
3172 }
3173
3174 qemu_errors_to_previous();
3175
3176 out:
3177 QDECREF(qdict);
3178 }
3179
3180 static void cmd_completion(const char *name, const char *list)
3181 {
3182 const char *p, *pstart;
3183 char cmd[128];
3184 int len;
3185
3186 p = list;
3187 for(;;) {
3188 pstart = p;
3189 p = strchr(p, '|');
3190 if (!p)
3191 p = pstart + strlen(pstart);
3192 len = p - pstart;
3193 if (len > sizeof(cmd) - 2)
3194 len = sizeof(cmd) - 2;
3195 memcpy(cmd, pstart, len);
3196 cmd[len] = '\0';
3197 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3198 readline_add_completion(cur_mon->rs, cmd);
3199 }
3200 if (*p == '\0')
3201 break;
3202 p++;
3203 }
3204 }
3205
3206 static void file_completion(const char *input)
3207 {
3208 DIR *ffs;
3209 struct dirent *d;
3210 char path[1024];
3211 char file[1024], file_prefix[1024];
3212 int input_path_len;
3213 const char *p;
3214
3215 p = strrchr(input, '/');
3216 if (!p) {
3217 input_path_len = 0;
3218 pstrcpy(file_prefix, sizeof(file_prefix), input);
3219 pstrcpy(path, sizeof(path), ".");
3220 } else {
3221 input_path_len = p - input + 1;
3222 memcpy(path, input, input_path_len);
3223 if (input_path_len > sizeof(path) - 1)
3224 input_path_len = sizeof(path) - 1;
3225 path[input_path_len] = '\0';
3226 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3227 }
3228 #ifdef DEBUG_COMPLETION
3229 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3230 input, path, file_prefix);
3231 #endif
3232 ffs = opendir(path);
3233 if (!ffs)
3234 return;
3235 for(;;) {
3236 struct stat sb;
3237 d = readdir(ffs);
3238 if (!d)
3239 break;
3240 if (strstart(d->d_name, file_prefix, NULL)) {
3241 memcpy(file, input, input_path_len);
3242 if (input_path_len < sizeof(file))
3243 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3244 d->d_name);
3245 /* stat the file to find out if it's a directory.
3246 * In that case add a slash to speed up typing long paths
3247 */
3248 stat(file, &sb);
3249 if(S_ISDIR(sb.st_mode))
3250 pstrcat(file, sizeof(file), "/");
3251 readline_add_completion(cur_mon->rs, file);
3252 }
3253 }
3254 closedir(ffs);
3255 }
3256
3257 static void block_completion_it(void *opaque, BlockDriverState *bs)
3258 {
3259 const char *name = bdrv_get_device_name(bs);
3260 const char *input = opaque;
3261
3262 if (input[0] == '\0' ||
3263 !strncmp(name, (char *)input, strlen(input))) {
3264 readline_add_completion(cur_mon->rs, name);
3265 }
3266 }
3267
3268 /* NOTE: this parser is an approximate form of the real command parser */
3269 static void parse_cmdline(const char *cmdline,
3270 int *pnb_args, char **args)
3271 {
3272 const char *p;
3273 int nb_args, ret;
3274 char buf[1024];
3275
3276 p = cmdline;
3277 nb_args = 0;
3278 for(;;) {
3279 while (qemu_isspace(*p))
3280 p++;
3281 if (*p == '\0')
3282 break;
3283 if (nb_args >= MAX_ARGS)
3284 break;
3285 ret = get_str(buf, sizeof(buf), &p);
3286 args[nb_args] = qemu_strdup(buf);
3287 nb_args++;
3288 if (ret < 0)
3289 break;
3290 }
3291 *pnb_args = nb_args;
3292 }
3293
3294 static const char *next_arg_type(const char *typestr)
3295 {
3296 const char *p = strchr(typestr, ':');
3297 return (p != NULL ? ++p : typestr);
3298 }
3299
3300 static void monitor_find_completion(const char *cmdline)
3301 {
3302 const char *cmdname;
3303 char *args[MAX_ARGS];
3304 int nb_args, i, len;
3305 const char *ptype, *str;
3306 const mon_cmd_t *cmd;
3307 const KeyDef *key;
3308
3309 parse_cmdline(cmdline, &nb_args, args);
3310 #ifdef DEBUG_COMPLETION
3311 for(i = 0; i < nb_args; i++) {
3312 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3313 }
3314 #endif
3315
3316 /* if the line ends with a space, it means we want to complete the
3317 next arg */
3318 len = strlen(cmdline);
3319 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3320 if (nb_args >= MAX_ARGS)
3321 return;
3322 args[nb_args++] = qemu_strdup("");
3323 }
3324 if (nb_args <= 1) {
3325 /* command completion */
3326 if (nb_args == 0)
3327 cmdname = "";
3328 else
3329 cmdname = args[0];
3330 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3331 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3332 cmd_completion(cmdname, cmd->name);
3333 }
3334 } else {
3335 /* find the command */
3336 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3337 if (compare_cmd(args[0], cmd->name))
3338 goto found;
3339 }
3340 return;
3341 found:
3342 ptype = next_arg_type(cmd->args_type);
3343 for(i = 0; i < nb_args - 2; i++) {
3344 if (*ptype != '\0') {
3345 ptype = next_arg_type(ptype);
3346 while (*ptype == '?')
3347 ptype = next_arg_type(ptype);
3348 }
3349 }
3350 str = args[nb_args - 1];
3351 if (*ptype == '-' && ptype[1] != '\0') {
3352 ptype += 2;
3353 }
3354 switch(*ptype) {
3355 case 'F':
3356 /* file completion */
3357 readline_set_completion_index(cur_mon->rs, strlen(str));
3358 file_completion(str);
3359 break;
3360 case 'B':
3361 /* block device name completion */
3362 readline_set_completion_index(cur_mon->rs, strlen(str));
3363 bdrv_iterate(block_completion_it, (void *)str);
3364 break;
3365 case 's':
3366 /* XXX: more generic ? */
3367 if (!strcmp(cmd->name, "info")) {
3368 readline_set_completion_index(cur_mon->rs, strlen(str));
3369 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3370 cmd_completion(str, cmd->name);
3371 }
3372 } else if (!strcmp(cmd->name, "sendkey")) {
3373 char *sep = strrchr(str, '-');
3374 if (sep)
3375 str = sep + 1;
3376 readline_set_completion_index(cur_mon->rs, strlen(str));
3377 for(key = key_defs; key->name != NULL; key++) {
3378 cmd_completion(str, key->name);
3379 }
3380 } else if (!strcmp(cmd->name, "help|?")) {
3381 readline_set_completion_index(cur_mon->rs, strlen(str));
3382 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3383 cmd_completion(str, cmd->name);
3384 }
3385 }
3386 break;
3387 default:
3388 break;
3389 }
3390 }
3391 for(i = 0; i < nb_args; i++)
3392 qemu_free(args[i]);
3393 }
3394
3395 static int monitor_can_read(void *opaque)
3396 {
3397 Monitor *mon = opaque;
3398
3399 return (mon->suspend_cnt == 0) ? 128 : 0;
3400 }
3401
3402 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3403 {
3404 Monitor *old_mon = cur_mon;
3405 int i;
3406
3407 cur_mon = opaque;
3408
3409 if (cur_mon->rs) {
3410 for (i = 0; i < size; i++)
3411 readline_handle_byte(cur_mon->rs, buf[i]);
3412 } else {
3413 if (size == 0 || buf[size - 1] != 0)
3414 monitor_printf(cur_mon, "corrupted command\n");
3415 else
3416 monitor_handle_command(cur_mon, (char *)buf);
3417 }
3418
3419 cur_mon = old_mon;
3420 }
3421
3422 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3423 {
3424 monitor_suspend(mon);
3425 monitor_handle_command(mon, cmdline);
3426 monitor_resume(mon);
3427 }
3428
3429 int monitor_suspend(Monitor *mon)
3430 {
3431 if (!mon->rs)
3432 return -ENOTTY;
3433 mon->suspend_cnt++;
3434 return 0;
3435 }
3436
3437 void monitor_resume(Monitor *mon)
3438 {
3439 if (!mon->rs)
3440 return;
3441 if (--mon->suspend_cnt == 0)
3442 readline_show_prompt(mon->rs);
3443 }
3444
3445 static void monitor_event(void *opaque, int event)
3446 {
3447 Monitor *mon = opaque;
3448
3449 switch (event) {
3450 case CHR_EVENT_MUX_IN:
3451 mon->mux_out = 0;
3452 if (mon->reset_seen) {
3453 readline_restart(mon->rs);
3454 monitor_resume(mon);
3455 monitor_flush(mon);
3456 } else {
3457 mon->suspend_cnt = 0;
3458 }
3459 break;
3460
3461 case CHR_EVENT_MUX_OUT:
3462 if (mon->reset_seen) {
3463 if (mon->suspend_cnt == 0) {
3464 monitor_printf(mon, "\n");
3465 }
3466 monitor_flush(mon);
3467 monitor_suspend(mon);
3468 } else {
3469 mon->suspend_cnt++;
3470 }
3471 mon->mux_out = 1;
3472 break;
3473
3474 case CHR_EVENT_OPENED:
3475 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3476 "information\n", QEMU_VERSION);
3477 if (!mon->mux_out) {
3478 readline_show_prompt(mon->rs);
3479 }
3480 mon->reset_seen = 1;
3481 break;
3482 }
3483 }
3484
3485
3486 /*
3487 * Local variables:
3488 * c-indent-level: 4
3489 * c-basic-offset: 4
3490 * tab-width: 8
3491 * End:
3492 */
3493
3494 void monitor_init(CharDriverState *chr, int flags)
3495 {
3496 static int is_first_init = 1;
3497 Monitor *mon;
3498
3499 if (is_first_init) {
3500 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3501 is_first_init = 0;
3502 }
3503
3504 mon = qemu_mallocz(sizeof(*mon));
3505
3506 mon->chr = chr;
3507 mon->flags = flags;
3508 if (flags & MONITOR_USE_READLINE) {
3509 mon->rs = readline_init(mon, monitor_find_completion);
3510 monitor_read_command(mon, 0);
3511 }
3512
3513 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3514 mon);
3515
3516 QLIST_INSERT_HEAD(&mon_list, mon, entry);
3517 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3518 cur_mon = mon;
3519 }
3520
3521 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3522 {
3523 BlockDriverState *bs = opaque;
3524 int ret = 0;
3525
3526 if (bdrv_set_key(bs, password) != 0) {
3527 monitor_printf(mon, "invalid password\n");
3528 ret = -EPERM;
3529 }
3530 if (mon->password_completion_cb)
3531 mon->password_completion_cb(mon->password_opaque, ret);
3532
3533 monitor_read_command(mon, 1);
3534 }
3535
3536 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3537 BlockDriverCompletionFunc *completion_cb,
3538 void *opaque)
3539 {
3540 int err;
3541
3542 if (!bdrv_key_required(bs)) {
3543 if (completion_cb)
3544 completion_cb(opaque, 0);
3545 return;
3546 }
3547
3548 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3549 bdrv_get_encrypted_filename(bs));
3550
3551 mon->password_completion_cb = completion_cb;
3552 mon->password_opaque = opaque;
3553
3554 err = monitor_read_password(mon, bdrv_password_cb, bs);
3555
3556 if (err && completion_cb)
3557 completion_cb(opaque, err);
3558 }
3559
3560 typedef struct QemuErrorSink QemuErrorSink;
3561 struct QemuErrorSink {
3562 enum {
3563 ERR_SINK_FILE,
3564 ERR_SINK_MONITOR,
3565 } dest;
3566 union {
3567 FILE *fp;
3568 Monitor *mon;
3569 };
3570 QemuErrorSink *previous;
3571 };
3572
3573 static QemuErrorSink *qemu_error_sink;
3574
3575 void qemu_errors_to_file(FILE *fp)
3576 {
3577 QemuErrorSink *sink;
3578
3579 sink = qemu_mallocz(sizeof(*sink));
3580 sink->dest = ERR_SINK_FILE;
3581 sink->fp = fp;
3582 sink->previous = qemu_error_sink;
3583 qemu_error_sink = sink;
3584 }
3585
3586 void qemu_errors_to_mon(Monitor *mon)
3587 {
3588 QemuErrorSink *sink;
3589
3590 sink = qemu_mallocz(sizeof(*sink));
3591 sink->dest = ERR_SINK_MONITOR;
3592 sink->mon = mon;
3593 sink->previous = qemu_error_sink;
3594 qemu_error_sink = sink;
3595 }
3596
3597 void qemu_errors_to_previous(void)
3598 {
3599 QemuErrorSink *sink;
3600
3601 assert(qemu_error_sink != NULL);
3602 sink = qemu_error_sink;
3603 qemu_error_sink = sink->previous;
3604 qemu_free(sink);
3605 }
3606
3607 void qemu_error(const char *fmt, ...)
3608 {
3609 va_list args;
3610
3611 assert(qemu_error_sink != NULL);
3612 switch (qemu_error_sink->dest) {
3613 case ERR_SINK_FILE:
3614 va_start(args, fmt);
3615 vfprintf(qemu_error_sink->fp, fmt, args);
3616 va_end(args);
3617 break;
3618 case ERR_SINK_MONITOR:
3619 va_start(args, fmt);
3620 monitor_vprintf(qemu_error_sink->mon, fmt, args);
3621 va_end(args);
3622 break;
3623 }
3624 }
Anthony Liguori's QEMU queue