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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 int is_valid_option(const char *c, const char *typestr)
2912
{
2913
    char option[3];
2914
  
2915
    option[0] = '-';
2916
    option[1] = *c;
2917
    option[2] = '\0';
2918
  
2919
    typestr = strstr(typestr, option);
2920
    return (typestr != NULL);
2921
}
2922

    
2923
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2924
                                              const char *cmdline,
2925
                                              QDict *qdict)
2926
{
2927
    const char *p, *typestr;
2928
    int c;
2929
    const mon_cmd_t *cmd;
2930
    char cmdname[256];
2931
    char buf[1024];
2932
    char *key;
2933

    
2934
#ifdef DEBUG
2935
    monitor_printf(mon, "command='%s'\n", cmdline);
2936
#endif
2937

    
2938
    /* extract the command name */
2939
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2940
    if (!p)
2941
        return NULL;
2942

    
2943
    /* find the command */
2944
    for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2945
        if (compare_cmd(cmdname, cmd->name))
2946
            break;
2947
    }
2948

    
2949
    if (cmd->name == NULL) {
2950
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2951
        return NULL;
2952
    }
2953

    
2954
    /* parse the parameters */
2955
    typestr = cmd->args_type;
2956
    for(;;) {
2957
        typestr = key_get_info(typestr, &key);
2958
        if (!typestr)
2959
            break;
2960
        c = *typestr;
2961
        typestr++;
2962
        switch(c) {
2963
        case 'F':
2964
        case 'B':
2965
        case 's':
2966
            {
2967
                int ret;
2968

    
2969
                while (qemu_isspace(*p))
2970
                    p++;
2971
                if (*typestr == '?') {
2972
                    typestr++;
2973
                    if (*p == '\0') {
2974
                        /* no optional string: NULL argument */
2975
                        break;
2976
                    }
2977
                }
2978
                ret = get_str(buf, sizeof(buf), &p);
2979
                if (ret < 0) {
2980
                    switch(c) {
2981
                    case 'F':
2982
                        monitor_printf(mon, "%s: filename expected\n",
2983
                                       cmdname);
2984
                        break;
2985
                    case 'B':
2986
                        monitor_printf(mon, "%s: block device name expected\n",
2987
                                       cmdname);
2988
                        break;
2989
                    default:
2990
                        monitor_printf(mon, "%s: string expected\n", cmdname);
2991
                        break;
2992
                    }
2993
                    goto fail;
2994
                }
2995
                qdict_put(qdict, key, qstring_from_str(buf));
2996
            }
2997
            break;
2998
        case '/':
2999
            {
3000
                int count, format, size;
3001

    
3002
                while (qemu_isspace(*p))
3003
                    p++;
3004
                if (*p == '/') {
3005
                    /* format found */
3006
                    p++;
3007
                    count = 1;
3008
                    if (qemu_isdigit(*p)) {
3009
                        count = 0;
3010
                        while (qemu_isdigit(*p)) {
3011
                            count = count * 10 + (*p - '0');
3012
                            p++;
3013
                        }
3014
                    }
3015
                    size = -1;
3016
                    format = -1;
3017
                    for(;;) {
3018
                        switch(*p) {
3019
                        case 'o':
3020
                        case 'd':
3021
                        case 'u':
3022
                        case 'x':
3023
                        case 'i':
3024
                        case 'c':
3025
                            format = *p++;
3026
                            break;
3027
                        case 'b':
3028
                            size = 1;
3029
                            p++;
3030
                            break;
3031
                        case 'h':
3032
                            size = 2;
3033
                            p++;
3034
                            break;
3035
                        case 'w':
3036
                            size = 4;
3037
                            p++;
3038
                            break;
3039
                        case 'g':
3040
                        case 'L':
3041
                            size = 8;
3042
                            p++;
3043
                            break;
3044
                        default:
3045
                            goto next;
3046
                        }
3047
                    }
3048
                next:
3049
                    if (*p != '\0' && !qemu_isspace(*p)) {
3050
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3051
                                       *p);
3052
                        goto fail;
3053
                    }
3054
                    if (format < 0)
3055
                        format = default_fmt_format;
3056
                    if (format != 'i') {
3057
                        /* for 'i', not specifying a size gives -1 as size */
3058
                        if (size < 0)
3059
                            size = default_fmt_size;
3060
                        default_fmt_size = size;
3061
                    }
3062
                    default_fmt_format = format;
3063
                } else {
3064
                    count = 1;
3065
                    format = default_fmt_format;
3066
                    if (format != 'i') {
3067
                        size = default_fmt_size;
3068
                    } else {
3069
                        size = -1;
3070
                    }
3071
                }
3072
                qdict_put(qdict, "count", qint_from_int(count));
3073
                qdict_put(qdict, "format", qint_from_int(format));
3074
                qdict_put(qdict, "size", qint_from_int(size));
3075
            }
3076
            break;
3077
        case 'i':
3078
        case 'l':
3079
            {
3080
                int64_t val;
3081

    
3082
                while (qemu_isspace(*p))
3083
                    p++;
3084
                if (*typestr == '?' || *typestr == '.') {
3085
                    if (*typestr == '?') {
3086
                        if (*p == '\0') {
3087
                            typestr++;
3088
                            break;
3089
                        }
3090
                    } else {
3091
                        if (*p == '.') {
3092
                            p++;
3093
                            while (qemu_isspace(*p))
3094
                                p++;
3095
                        } else {
3096
                            typestr++;
3097
                            break;
3098
                        }
3099
                    }
3100
                    typestr++;
3101
                }
3102
                if (get_expr(mon, &val, &p))
3103
                    goto fail;
3104
                /* Check if 'i' is greater than 32-bit */
3105
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3106
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3107
                    monitor_printf(mon, "integer is for 32-bit values\n");
3108
                    goto fail;
3109
                }
3110
                qdict_put(qdict, key, qint_from_int(val));
3111
            }
3112
            break;
3113
        case '-':
3114
            {
3115
                const char *tmp = p;
3116
                int has_option, skip_key = 0;
3117
                /* option */
3118

    
3119
                c = *typestr++;
3120
                if (c == '\0')
3121
                    goto bad_type;
3122
                while (qemu_isspace(*p))
3123
                    p++;
3124
                has_option = 0;
3125
                if (*p == '-') {
3126
                    p++;
3127
                    if(c != *p) {
3128
                        if(!is_valid_option(p, typestr)) {
3129
                  
3130
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3131
                                           cmdname, *p);
3132
                            goto fail;
3133
                        } else {
3134
                            skip_key = 1;
3135
                        }
3136
                    }
3137
                    if(skip_key) {
3138
                        p = tmp;
3139
                    } else {
3140
                        p++;
3141
                        has_option = 1;
3142
                    }
3143
                }
3144
                qdict_put(qdict, key, qint_from_int(has_option));
3145
            }
3146
            break;
3147
        default:
3148
        bad_type:
3149
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3150
            goto fail;
3151
        }
3152
        qemu_free(key);
3153
        key = NULL;
3154
    }
3155
    /* check that all arguments were parsed */
3156
    while (qemu_isspace(*p))
3157
        p++;
3158
    if (*p != '\0') {
3159
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3160
                       cmdname);
3161
        goto fail;
3162
    }
3163

    
3164
    return cmd;
3165

    
3166
fail:
3167
    qemu_free(key);
3168
    return NULL;
3169
}
3170

    
3171
static void monitor_handle_command(Monitor *mon, const char *cmdline)
3172
{
3173
    QDict *qdict;
3174
    const mon_cmd_t *cmd;
3175

    
3176
    qdict = qdict_new();
3177

    
3178
    cmd = monitor_parse_command(mon, cmdline, qdict);
3179
    if (!cmd)
3180
        goto out;
3181

    
3182
    qemu_errors_to_mon(mon);
3183

    
3184
    if (monitor_handler_ported(cmd)) {
3185
        QObject *data = NULL;
3186

    
3187
        cmd->mhandler.cmd_new(mon, qdict, &data);
3188
        if (data)
3189
            cmd->user_print(mon, data);
3190

    
3191
        qobject_decref(data);
3192
    } else {
3193
        cmd->mhandler.cmd(mon, qdict);
3194
    }
3195

    
3196
   qemu_errors_to_previous();
3197

    
3198
out:
3199
    QDECREF(qdict);
3200
}
3201

    
3202
static void cmd_completion(const char *name, const char *list)
3203
{
3204
    const char *p, *pstart;
3205
    char cmd[128];
3206
    int len;
3207

    
3208
    p = list;
3209
    for(;;) {
3210
        pstart = p;
3211
        p = strchr(p, '|');
3212
        if (!p)
3213
            p = pstart + strlen(pstart);
3214
        len = p - pstart;
3215
        if (len > sizeof(cmd) - 2)
3216
            len = sizeof(cmd) - 2;
3217
        memcpy(cmd, pstart, len);
3218
        cmd[len] = '\0';
3219
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3220
            readline_add_completion(cur_mon->rs, cmd);
3221
        }
3222
        if (*p == '\0')
3223
            break;
3224
        p++;
3225
    }
3226
}
3227

    
3228
static void file_completion(const char *input)
3229
{
3230
    DIR *ffs;
3231
    struct dirent *d;
3232
    char path[1024];
3233
    char file[1024], file_prefix[1024];
3234
    int input_path_len;
3235
    const char *p;
3236

    
3237
    p = strrchr(input, '/');
3238
    if (!p) {
3239
        input_path_len = 0;
3240
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3241
        pstrcpy(path, sizeof(path), ".");
3242
    } else {
3243
        input_path_len = p - input + 1;
3244
        memcpy(path, input, input_path_len);
3245
        if (input_path_len > sizeof(path) - 1)
3246
            input_path_len = sizeof(path) - 1;
3247
        path[input_path_len] = '\0';
3248
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3249
    }
3250
#ifdef DEBUG_COMPLETION
3251
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3252
                   input, path, file_prefix);
3253
#endif
3254
    ffs = opendir(path);
3255
    if (!ffs)
3256
        return;
3257
    for(;;) {
3258
        struct stat sb;
3259
        d = readdir(ffs);
3260
        if (!d)
3261
            break;
3262
        if (strstart(d->d_name, file_prefix, NULL)) {
3263
            memcpy(file, input, input_path_len);
3264
            if (input_path_len < sizeof(file))
3265
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3266
                        d->d_name);
3267
            /* stat the file to find out if it's a directory.
3268
             * In that case add a slash to speed up typing long paths
3269
             */
3270
            stat(file, &sb);
3271
            if(S_ISDIR(sb.st_mode))
3272
                pstrcat(file, sizeof(file), "/");
3273
            readline_add_completion(cur_mon->rs, file);
3274
        }
3275
    }
3276
    closedir(ffs);
3277
}
3278

    
3279
static void block_completion_it(void *opaque, BlockDriverState *bs)
3280
{
3281
    const char *name = bdrv_get_device_name(bs);
3282
    const char *input = opaque;
3283

    
3284
    if (input[0] == '\0' ||
3285
        !strncmp(name, (char *)input, strlen(input))) {
3286
        readline_add_completion(cur_mon->rs, name);
3287
    }
3288
}
3289

    
3290
/* NOTE: this parser is an approximate form of the real command parser */
3291
static void parse_cmdline(const char *cmdline,
3292
                         int *pnb_args, char **args)
3293
{
3294
    const char *p;
3295
    int nb_args, ret;
3296
    char buf[1024];
3297

    
3298
    p = cmdline;
3299
    nb_args = 0;
3300
    for(;;) {
3301
        while (qemu_isspace(*p))
3302
            p++;
3303
        if (*p == '\0')
3304
            break;
3305
        if (nb_args >= MAX_ARGS)
3306
            break;
3307
        ret = get_str(buf, sizeof(buf), &p);
3308
        args[nb_args] = qemu_strdup(buf);
3309
        nb_args++;
3310
        if (ret < 0)
3311
            break;
3312
    }
3313
    *pnb_args = nb_args;
3314
}
3315

    
3316
static const char *next_arg_type(const char *typestr)
3317
{
3318
    const char *p = strchr(typestr, ':');
3319
    return (p != NULL ? ++p : typestr);
3320
}
3321

    
3322
static void monitor_find_completion(const char *cmdline)
3323
{
3324
    const char *cmdname;
3325
    char *args[MAX_ARGS];
3326
    int nb_args, i, len;
3327
    const char *ptype, *str;
3328
    const mon_cmd_t *cmd;
3329
    const KeyDef *key;
3330

    
3331
    parse_cmdline(cmdline, &nb_args, args);
3332
#ifdef DEBUG_COMPLETION
3333
    for(i = 0; i < nb_args; i++) {
3334
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3335
    }
3336
#endif
3337

    
3338
    /* if the line ends with a space, it means we want to complete the
3339
       next arg */
3340
    len = strlen(cmdline);
3341
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3342
        if (nb_args >= MAX_ARGS)
3343
            return;
3344
        args[nb_args++] = qemu_strdup("");
3345
    }
3346
    if (nb_args <= 1) {
3347
        /* command completion */
3348
        if (nb_args == 0)
3349
            cmdname = "";
3350
        else
3351
            cmdname = args[0];
3352
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3353
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3354
            cmd_completion(cmdname, cmd->name);
3355
        }
3356
    } else {
3357
        /* find the command */
3358
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3359
            if (compare_cmd(args[0], cmd->name))
3360
                goto found;
3361
        }
3362
        return;
3363
    found:
3364
        ptype = next_arg_type(cmd->args_type);
3365
        for(i = 0; i < nb_args - 2; i++) {
3366
            if (*ptype != '\0') {
3367
                ptype = next_arg_type(ptype);
3368
                while (*ptype == '?')
3369
                    ptype = next_arg_type(ptype);
3370
            }
3371
        }
3372
        str = args[nb_args - 1];
3373
        if (*ptype == '-' && ptype[1] != '\0') {
3374
            ptype += 2;
3375
        }
3376
        switch(*ptype) {
3377
        case 'F':
3378
            /* file completion */
3379
            readline_set_completion_index(cur_mon->rs, strlen(str));
3380
            file_completion(str);
3381
            break;
3382
        case 'B':
3383
            /* block device name completion */
3384
            readline_set_completion_index(cur_mon->rs, strlen(str));
3385
            bdrv_iterate(block_completion_it, (void *)str);
3386
            break;
3387
        case 's':
3388
            /* XXX: more generic ? */
3389
            if (!strcmp(cmd->name, "info")) {
3390
                readline_set_completion_index(cur_mon->rs, strlen(str));
3391
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3392
                    cmd_completion(str, cmd->name);
3393
                }
3394
            } else if (!strcmp(cmd->name, "sendkey")) {
3395
                char *sep = strrchr(str, '-');
3396
                if (sep)
3397
                    str = sep + 1;
3398
                readline_set_completion_index(cur_mon->rs, strlen(str));
3399
                for(key = key_defs; key->name != NULL; key++) {
3400
                    cmd_completion(str, key->name);
3401
                }
3402
            } else if (!strcmp(cmd->name, "help|?")) {
3403
                readline_set_completion_index(cur_mon->rs, strlen(str));
3404
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3405
                    cmd_completion(str, cmd->name);
3406
                }
3407
            }
3408
            break;
3409
        default:
3410
            break;
3411
        }
3412
    }
3413
    for(i = 0; i < nb_args; i++)
3414
        qemu_free(args[i]);
3415
}
3416

    
3417
static int monitor_can_read(void *opaque)
3418
{
3419
    Monitor *mon = opaque;
3420

    
3421
    return (mon->suspend_cnt == 0) ? 128 : 0;
3422
}
3423

    
3424
static void monitor_read(void *opaque, const uint8_t *buf, int size)
3425
{
3426
    Monitor *old_mon = cur_mon;
3427
    int i;
3428

    
3429
    cur_mon = opaque;
3430

    
3431
    if (cur_mon->rs) {
3432
        for (i = 0; i < size; i++)
3433
            readline_handle_byte(cur_mon->rs, buf[i]);
3434
    } else {
3435
        if (size == 0 || buf[size - 1] != 0)
3436
            monitor_printf(cur_mon, "corrupted command\n");
3437
        else
3438
            monitor_handle_command(cur_mon, (char *)buf);
3439
    }
3440

    
3441
    cur_mon = old_mon;
3442
}
3443

    
3444
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3445
{
3446
    monitor_suspend(mon);
3447
    monitor_handle_command(mon, cmdline);
3448
    monitor_resume(mon);
3449
}
3450

    
3451
int monitor_suspend(Monitor *mon)
3452
{
3453
    if (!mon->rs)
3454
        return -ENOTTY;
3455
    mon->suspend_cnt++;
3456
    return 0;
3457
}
3458

    
3459
void monitor_resume(Monitor *mon)
3460
{
3461
    if (!mon->rs)
3462
        return;
3463
    if (--mon->suspend_cnt == 0)
3464
        readline_show_prompt(mon->rs);
3465
}
3466

    
3467
static void monitor_event(void *opaque, int event)
3468
{
3469
    Monitor *mon = opaque;
3470

    
3471
    switch (event) {
3472
    case CHR_EVENT_MUX_IN:
3473
        mon->mux_out = 0;
3474
        if (mon->reset_seen) {
3475
            readline_restart(mon->rs);
3476
            monitor_resume(mon);
3477
            monitor_flush(mon);
3478
        } else {
3479
            mon->suspend_cnt = 0;
3480
        }
3481
        break;
3482

    
3483
    case CHR_EVENT_MUX_OUT:
3484
        if (mon->reset_seen) {
3485
            if (mon->suspend_cnt == 0) {
3486
                monitor_printf(mon, "\n");
3487
            }
3488
            monitor_flush(mon);
3489
            monitor_suspend(mon);
3490
        } else {
3491
            mon->suspend_cnt++;
3492
        }
3493
        mon->mux_out = 1;
3494
        break;
3495

    
3496
    case CHR_EVENT_OPENED:
3497
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3498
                       "information\n", QEMU_VERSION);
3499
        if (!mon->mux_out) {
3500
            readline_show_prompt(mon->rs);
3501
        }
3502
        mon->reset_seen = 1;
3503
        break;
3504
    }
3505
}
3506

    
3507

    
3508
/*
3509
 * Local variables:
3510
 *  c-indent-level: 4
3511
 *  c-basic-offset: 4
3512
 *  tab-width: 8
3513
 * End:
3514
 */
3515

    
3516
void monitor_init(CharDriverState *chr, int flags)
3517
{
3518
    static int is_first_init = 1;
3519
    Monitor *mon;
3520

    
3521
    if (is_first_init) {
3522
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3523
        is_first_init = 0;
3524
    }
3525

    
3526
    mon = qemu_mallocz(sizeof(*mon));
3527

    
3528
    mon->chr = chr;
3529
    mon->flags = flags;
3530
    if (flags & MONITOR_USE_READLINE) {
3531
        mon->rs = readline_init(mon, monitor_find_completion);
3532
        monitor_read_command(mon, 0);
3533
    }
3534

    
3535
    qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3536
                          mon);
3537

    
3538
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
3539
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3540
        cur_mon = mon;
3541
}
3542

    
3543
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3544
{
3545
    BlockDriverState *bs = opaque;
3546
    int ret = 0;
3547

    
3548
    if (bdrv_set_key(bs, password) != 0) {
3549
        monitor_printf(mon, "invalid password\n");
3550
        ret = -EPERM;
3551
    }
3552
    if (mon->password_completion_cb)
3553
        mon->password_completion_cb(mon->password_opaque, ret);
3554

    
3555
    monitor_read_command(mon, 1);
3556
}
3557

    
3558
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3559
                                 BlockDriverCompletionFunc *completion_cb,
3560
                                 void *opaque)
3561
{
3562
    int err;
3563

    
3564
    if (!bdrv_key_required(bs)) {
3565
        if (completion_cb)
3566
            completion_cb(opaque, 0);
3567
        return;
3568
    }
3569

    
3570
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3571
                   bdrv_get_encrypted_filename(bs));
3572

    
3573
    mon->password_completion_cb = completion_cb;
3574
    mon->password_opaque = opaque;
3575

    
3576
    err = monitor_read_password(mon, bdrv_password_cb, bs);
3577

    
3578
    if (err && completion_cb)
3579
        completion_cb(opaque, err);
3580
}
3581

    
3582
typedef struct QemuErrorSink QemuErrorSink;
3583
struct QemuErrorSink {
3584
    enum {
3585
        ERR_SINK_FILE,
3586
        ERR_SINK_MONITOR,
3587
    } dest;
3588
    union {
3589
        FILE    *fp;
3590
        Monitor *mon;
3591
    };
3592
    QemuErrorSink *previous;
3593
};
3594

    
3595
static QemuErrorSink *qemu_error_sink;
3596

    
3597
void qemu_errors_to_file(FILE *fp)
3598
{
3599
    QemuErrorSink *sink;
3600

    
3601
    sink = qemu_mallocz(sizeof(*sink));
3602
    sink->dest = ERR_SINK_FILE;
3603
    sink->fp = fp;
3604
    sink->previous = qemu_error_sink;
3605
    qemu_error_sink = sink;
3606
}
3607

    
3608
void qemu_errors_to_mon(Monitor *mon)
3609
{
3610
    QemuErrorSink *sink;
3611

    
3612
    sink = qemu_mallocz(sizeof(*sink));
3613
    sink->dest = ERR_SINK_MONITOR;
3614
    sink->mon = mon;
3615
    sink->previous = qemu_error_sink;
3616
    qemu_error_sink = sink;
3617
}
3618

    
3619
void qemu_errors_to_previous(void)
3620
{
3621
    QemuErrorSink *sink;
3622

    
3623
    assert(qemu_error_sink != NULL);
3624
    sink = qemu_error_sink;
3625
    qemu_error_sink = sink->previous;
3626
    qemu_free(sink);
3627
}
3628

    
3629
void qemu_error(const char *fmt, ...)
3630
{
3631
    va_list args;
3632

    
3633
    assert(qemu_error_sink != NULL);
3634
    switch (qemu_error_sink->dest) {
3635
    case ERR_SINK_FILE:
3636
        va_start(args, fmt);
3637
        vfprintf(qemu_error_sink->fp, fmt, args);
3638
        va_end(args);
3639
        break;
3640
    case ERR_SINK_MONITOR:
3641
        va_start(args, fmt);
3642
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
3643
        va_end(args);
3644
        break;
3645
    }
3646
}