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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 "net/slirp.h"
36
#include "qemu-char.h"
37
#include "sysemu.h"
38
#include "monitor.h"
39
#include "readline.h"
40
#include "console.h"
41
#include "block.h"
42
#include "audio/audio.h"
43
#include "disas.h"
44
#include "balloon.h"
45
#include "qemu-timer.h"
46
#include "migration.h"
47
#include "kvm.h"
48
#include "acl.h"
49
#include "qint.h"
50
#include "qlist.h"
51
#include "qdict.h"
52
#include "qbool.h"
53
#include "qstring.h"
54
#include "qerror.h"
55
#include "qjson.h"
56
#include "json-streamer.h"
57
#include "json-parser.h"
58
#include "osdep.h"
59

    
60
//#define DEBUG
61
//#define DEBUG_COMPLETION
62

    
63
/*
64
 * Supported types:
65
 *
66
 * 'F'          filename
67
 * 'B'          block device name
68
 * 's'          string (accept optional quote)
69
 * 'i'          32 bit integer
70
 * 'l'          target long (32 or 64 bit)
71
 * '/'          optional gdb-like print format (like "/10x")
72
 *
73
 * '?'          optional type (for all types, except '/')
74
 * '.'          other form of optional type (for 'i' and 'l')
75
 * '-'          optional parameter (eg. '-f')
76
 *
77
 */
78

    
79
typedef struct mon_cmd_t {
80
    const char *name;
81
    const char *args_type;
82
    const char *params;
83
    const char *help;
84
    void (*user_print)(Monitor *mon, const QObject *data);
85
    union {
86
        void (*info)(Monitor *mon);
87
        void (*info_new)(Monitor *mon, QObject **ret_data);
88
        void (*cmd)(Monitor *mon, const QDict *qdict);
89
        void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90
    } mhandler;
91
} mon_cmd_t;
92

    
93
/* file descriptors passed via SCM_RIGHTS */
94
typedef struct mon_fd_t mon_fd_t;
95
struct mon_fd_t {
96
    char *name;
97
    int fd;
98
    QLIST_ENTRY(mon_fd_t) next;
99
};
100

    
101
typedef struct MonitorControl {
102
    QObject *id;
103
    int print_enabled;
104
    JSONMessageParser parser;
105
} MonitorControl;
106

    
107
struct Monitor {
108
    CharDriverState *chr;
109
    int mux_out;
110
    int reset_seen;
111
    int flags;
112
    int suspend_cnt;
113
    uint8_t outbuf[1024];
114
    int outbuf_index;
115
    ReadLineState *rs;
116
    MonitorControl *mc;
117
    CPUState *mon_cpu;
118
    BlockDriverCompletionFunc *password_completion_cb;
119
    void *password_opaque;
120
    QError *error;
121
    QLIST_HEAD(,mon_fd_t) fds;
122
    QLIST_ENTRY(Monitor) entry;
123
};
124

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

    
127
static const mon_cmd_t mon_cmds[];
128
static const mon_cmd_t info_cmds[];
129

    
130
Monitor *cur_mon = NULL;
131

    
132
static void monitor_command_cb(Monitor *mon, const char *cmdline,
133
                               void *opaque);
134

    
135
/* Return true if in control mode, false otherwise */
136
static inline int monitor_ctrl_mode(const Monitor *mon)
137
{
138
    return (mon->flags & MONITOR_USE_CONTROL);
139
}
140

    
141
static void monitor_read_command(Monitor *mon, int show_prompt)
142
{
143
    if (!mon->rs)
144
        return;
145

    
146
    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
147
    if (show_prompt)
148
        readline_show_prompt(mon->rs);
149
}
150

    
151
static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
152
                                 void *opaque)
153
{
154
    if (monitor_ctrl_mode(mon)) {
155
        qemu_error_new(QERR_MISSING_PARAMETER, "password");
156
        return -EINVAL;
157
    } else if (mon->rs) {
158
        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
159
        /* prompt is printed on return from the command handler */
160
        return 0;
161
    } else {
162
        monitor_printf(mon, "terminal does not support password prompting\n");
163
        return -ENOTTY;
164
    }
165
}
166

    
167
void monitor_flush(Monitor *mon)
168
{
169
    if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
170
        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
171
        mon->outbuf_index = 0;
172
    }
173
}
174

    
175
/* flush at every end of line or if the buffer is full */
176
static void monitor_puts(Monitor *mon, const char *str)
177
{
178
    char c;
179

    
180
    for(;;) {
181
        c = *str++;
182
        if (c == '\0')
183
            break;
184
        if (c == '\n')
185
            mon->outbuf[mon->outbuf_index++] = '\r';
186
        mon->outbuf[mon->outbuf_index++] = c;
187
        if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
188
            || c == '\n')
189
            monitor_flush(mon);
190
    }
191
}
192

    
193
void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
194
{
195
    if (!mon)
196
        return;
197

    
198
    if (mon->mc && !mon->mc->print_enabled) {
199
        qemu_error_new(QERR_UNDEFINED_ERROR);
200
    } else {
201
        char buf[4096];
202
        vsnprintf(buf, sizeof(buf), fmt, ap);
203
        monitor_puts(mon, buf);
204
    }
205
}
206

    
207
void monitor_printf(Monitor *mon, const char *fmt, ...)
208
{
209
    va_list ap;
210
    va_start(ap, fmt);
211
    monitor_vprintf(mon, fmt, ap);
212
    va_end(ap);
213
}
214

    
215
void monitor_print_filename(Monitor *mon, const char *filename)
216
{
217
    int i;
218

    
219
    for (i = 0; filename[i]; i++) {
220
        switch (filename[i]) {
221
        case ' ':
222
        case '"':
223
        case '\\':
224
            monitor_printf(mon, "\\%c", filename[i]);
225
            break;
226
        case '\t':
227
            monitor_printf(mon, "\\t");
228
            break;
229
        case '\r':
230
            monitor_printf(mon, "\\r");
231
            break;
232
        case '\n':
233
            monitor_printf(mon, "\\n");
234
            break;
235
        default:
236
            monitor_printf(mon, "%c", filename[i]);
237
            break;
238
        }
239
    }
240
}
241

    
242
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
243
{
244
    va_list ap;
245
    va_start(ap, fmt);
246
    monitor_vprintf((Monitor *)stream, fmt, ap);
247
    va_end(ap);
248
    return 0;
249
}
250

    
251
static void monitor_user_noop(Monitor *mon, const QObject *data) { }
252

    
253
static inline int monitor_handler_ported(const mon_cmd_t *cmd)
254
{
255
    return cmd->user_print != NULL;
256
}
257

    
258
static inline int monitor_has_error(const Monitor *mon)
259
{
260
    return mon->error != NULL;
261
}
262

    
263
static void monitor_json_emitter(Monitor *mon, const QObject *data)
264
{
265
    QString *json;
266

    
267
    json = qobject_to_json(data);
268
    assert(json != NULL);
269

    
270
    mon->mc->print_enabled = 1;
271
    monitor_printf(mon, "%s\n", qstring_get_str(json));
272
    mon->mc->print_enabled = 0;
273

    
274
    QDECREF(json);
275
}
276

    
277
static void monitor_protocol_emitter(Monitor *mon, QObject *data)
278
{
279
    QDict *qmp;
280

    
281
    qmp = qdict_new();
282

    
283
    if (!monitor_has_error(mon)) {
284
        /* success response */
285
        if (data) {
286
            qobject_incref(data);
287
            qdict_put_obj(qmp, "return", data);
288
        } else {
289
            /* return an empty QDict by default */
290
            qdict_put(qmp, "return", qdict_new());
291
        }
292
    } else {
293
        /* error response */
294
        qdict_put(mon->error->error, "desc", qerror_human(mon->error));
295
        qdict_put(qmp, "error", mon->error->error);
296
        QINCREF(mon->error->error);
297
        QDECREF(mon->error);
298
        mon->error = NULL;
299
    }
300

    
301
    if (mon->mc->id) {
302
        qdict_put_obj(qmp, "id", mon->mc->id);
303
        mon->mc->id = NULL;
304
    }
305

    
306
    monitor_json_emitter(mon, QOBJECT(qmp));
307
    QDECREF(qmp);
308
}
309

    
310
static void timestamp_put(QDict *qdict)
311
{
312
    int err;
313
    QObject *obj;
314
    qemu_timeval tv;
315

    
316
    err = qemu_gettimeofday(&tv);
317
    if (err < 0)
318
        return;
319

    
320
    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
321
                                "'microseconds': %" PRId64 " }",
322
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
323
    assert(obj != NULL);
324

    
325
    qdict_put_obj(qdict, "timestamp", obj);
326
}
327

    
328
/**
329
 * monitor_protocol_event(): Generate a Monitor event
330
 *
331
 * Event-specific data can be emitted through the (optional) 'data' parameter.
332
 */
333
void monitor_protocol_event(MonitorEvent event, QObject *data)
334
{
335
    QDict *qmp;
336
    const char *event_name;
337
    Monitor *mon = cur_mon;
338

    
339
    assert(event < QEVENT_MAX);
340

    
341
    if (!monitor_ctrl_mode(mon))
342
        return;
343

    
344
    switch (event) {
345
        case QEVENT_DEBUG:
346
            event_name = "DEBUG";
347
            break;
348
        case QEVENT_SHUTDOWN:
349
            event_name = "SHUTDOWN";
350
            break;
351
        case QEVENT_RESET:
352
            event_name = "RESET";
353
            break;
354
        case QEVENT_POWERDOWN:
355
            event_name = "POWERDOWN";
356
            break;
357
        case QEVENT_STOP:
358
            event_name = "STOP";
359
            break;
360
        case QEVENT_VNC_CONNECTED:
361
            event_name = "VNC_CONNECTED";
362
            break;
363
        default:
364
            abort();
365
            break;
366
    }
367

    
368
    qmp = qdict_new();
369
    timestamp_put(qmp);
370
    qdict_put(qmp, "event", qstring_from_str(event_name));
371
    if (data) {
372
        qobject_incref(data);
373
        qdict_put_obj(qmp, "data", data);
374
    }
375

    
376
    monitor_json_emitter(mon, QOBJECT(qmp));
377
    QDECREF(qmp);
378
}
379

    
380
static int compare_cmd(const char *name, const char *list)
381
{
382
    const char *p, *pstart;
383
    int len;
384
    len = strlen(name);
385
    p = list;
386
    for(;;) {
387
        pstart = p;
388
        p = strchr(p, '|');
389
        if (!p)
390
            p = pstart + strlen(pstart);
391
        if ((p - pstart) == len && !memcmp(pstart, name, len))
392
            return 1;
393
        if (*p == '\0')
394
            break;
395
        p++;
396
    }
397
    return 0;
398
}
399

    
400
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
401
                          const char *prefix, const char *name)
402
{
403
    const mon_cmd_t *cmd;
404

    
405
    for(cmd = cmds; cmd->name != NULL; cmd++) {
406
        if (!name || !strcmp(name, cmd->name))
407
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
408
                           cmd->params, cmd->help);
409
    }
410
}
411

    
412
static void help_cmd(Monitor *mon, const char *name)
413
{
414
    if (name && !strcmp(name, "info")) {
415
        help_cmd_dump(mon, info_cmds, "info ", NULL);
416
    } else {
417
        help_cmd_dump(mon, mon_cmds, "", name);
418
        if (name && !strcmp(name, "log")) {
419
            const CPULogItem *item;
420
            monitor_printf(mon, "Log items (comma separated):\n");
421
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
422
            for(item = cpu_log_items; item->mask != 0; item++) {
423
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
424
            }
425
        }
426
    }
427
}
428

    
429
static void do_help_cmd(Monitor *mon, const QDict *qdict)
430
{
431
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
432
}
433

    
434
static void do_commit(Monitor *mon, const QDict *qdict)
435
{
436
    int all_devices;
437
    DriveInfo *dinfo;
438
    const char *device = qdict_get_str(qdict, "device");
439

    
440
    all_devices = !strcmp(device, "all");
441
    QTAILQ_FOREACH(dinfo, &drives, next) {
442
        if (!all_devices)
443
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
444
                continue;
445
        bdrv_commit(dinfo->bdrv);
446
    }
447
}
448

    
449
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
450
{
451
    const mon_cmd_t *cmd;
452
    const char *item = qdict_get_try_str(qdict, "item");
453

    
454
    if (!item) {
455
        assert(monitor_ctrl_mode(mon) == 0);
456
        goto help;
457
    }
458

    
459
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
460
        if (compare_cmd(item, cmd->name))
461
            break;
462
    }
463

    
464
    if (cmd->name == NULL) {
465
        if (monitor_ctrl_mode(mon)) {
466
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
467
            return;
468
        }
469
        goto help;
470
    }
471

    
472
    if (monitor_handler_ported(cmd)) {
473
        cmd->mhandler.info_new(mon, ret_data);
474

    
475
        if (!monitor_ctrl_mode(mon)) {
476
            /*
477
             * User Protocol function is called here, Monitor Protocol is
478
             * handled by monitor_call_handler()
479
             */
480
            if (*ret_data)
481
                cmd->user_print(mon, *ret_data);
482
        }
483
    } else {
484
        if (monitor_ctrl_mode(mon)) {
485
            /* handler not converted yet */
486
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
487
        } else {
488
            cmd->mhandler.info(mon);
489
        }
490
    }
491

    
492
    return;
493

    
494
help:
495
    help_cmd(mon, "info");
496
}
497

    
498
static void do_info_version_print(Monitor *mon, const QObject *data)
499
{
500
    QDict *qdict;
501

    
502
    qdict = qobject_to_qdict(data);
503

    
504
    monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
505
                                  qdict_get_str(qdict, "package"));
506
}
507

    
508
/**
509
 * do_info_version(): Show QEMU version
510
 *
511
 * Return a QDict with the following information:
512
 *
513
 * - "qemu": QEMU's version
514
 * - "package": package's version
515
 *
516
 * Example:
517
 *
518
 * { "qemu": "0.11.50", "package": "" }
519
 */
520
static void do_info_version(Monitor *mon, QObject **ret_data)
521
{
522
    *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
523
                                   QEMU_VERSION, QEMU_PKGVERSION);
524
}
525

    
526
static void do_info_name_print(Monitor *mon, const QObject *data)
527
{
528
    QDict *qdict;
529

    
530
    qdict = qobject_to_qdict(data);
531
    if (qdict_size(qdict) == 0) {
532
        return;
533
    }
534

    
535
    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
536
}
537

    
538
/**
539
 * do_info_name(): Show VM name
540
 *
541
 * Return a QDict with the following information:
542
 *
543
 * - "name": VM's name (optional)
544
 *
545
 * Example:
546
 *
547
 * { "name": "qemu-name" }
548
 */
549
static void do_info_name(Monitor *mon, QObject **ret_data)
550
{
551
    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
552
                            qobject_from_jsonf("{}");
553
}
554

    
555
static QObject *get_cmd_dict(const char *name)
556
{
557
    const char *p;
558

    
559
    /* Remove '|' from some commands */
560
    p = strchr(name, '|');
561
    if (p) {
562
        p++;
563
    } else {
564
        p = name;
565
    }
566

    
567
    return qobject_from_jsonf("{ 'name': %s }", p);
568
}
569

    
570
/**
571
 * do_info_commands(): List QMP available commands
572
 *
573
 * Each command is represented by a QDict, the returned QObject is a QList
574
 * of all commands.
575
 *
576
 * The QDict contains:
577
 *
578
 * - "name": command's name
579
 *
580
 * Example:
581
 *
582
 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
583
 */
584
static void do_info_commands(Monitor *mon, QObject **ret_data)
585
{
586
    QList *cmd_list;
587
    const mon_cmd_t *cmd;
588

    
589
    cmd_list = qlist_new();
590

    
591
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
592
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
593
            qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
594
        }
595
    }
596

    
597
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
598
        if (monitor_handler_ported(cmd)) {
599
            char buf[128];
600
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
601
            qlist_append_obj(cmd_list, get_cmd_dict(buf));
602
        }
603
    }
604

    
605
    *ret_data = QOBJECT(cmd_list);
606
}
607

    
608
#if defined(TARGET_I386)
609
static void do_info_hpet_print(Monitor *mon, const QObject *data)
610
{
611
    monitor_printf(mon, "HPET is %s by QEMU\n",
612
                   qdict_get_bool(qobject_to_qdict(data), "enabled") ?
613
                   "enabled" : "disabled");
614
}
615

    
616
/**
617
 * do_info_hpet(): Show HPET state
618
 *
619
 * Return a QDict with the following information:
620
 *
621
 * - "enabled": true if hpet if enabled, false otherwise
622
 *
623
 * Example:
624
 *
625
 * { "enabled": true }
626
 */
627
static void do_info_hpet(Monitor *mon, QObject **ret_data)
628
{
629
    *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
630
}
631
#endif
632

    
633
static void do_info_uuid_print(Monitor *mon, const QObject *data)
634
{
635
    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
636
}
637

    
638
/**
639
 * do_info_uuid(): Show VM UUID
640
 *
641
 * Return a QDict with the following information:
642
 *
643
 * - "UUID": Universally Unique Identifier
644
 *
645
 * Example:
646
 *
647
 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
648
 */
649
static void do_info_uuid(Monitor *mon, QObject **ret_data)
650
{
651
    char uuid[64];
652

    
653
    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
654
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
655
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
656
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
657
                   qemu_uuid[14], qemu_uuid[15]);
658
    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
659
}
660

    
661
/* get the current CPU defined by the user */
662
static int mon_set_cpu(int cpu_index)
663
{
664
    CPUState *env;
665

    
666
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
667
        if (env->cpu_index == cpu_index) {
668
            cur_mon->mon_cpu = env;
669
            return 0;
670
        }
671
    }
672
    return -1;
673
}
674

    
675
static CPUState *mon_get_cpu(void)
676
{
677
    if (!cur_mon->mon_cpu) {
678
        mon_set_cpu(0);
679
    }
680
    cpu_synchronize_state(cur_mon->mon_cpu);
681
    return cur_mon->mon_cpu;
682
}
683

    
684
static void do_info_registers(Monitor *mon)
685
{
686
    CPUState *env;
687
    env = mon_get_cpu();
688
    if (!env)
689
        return;
690
#ifdef TARGET_I386
691
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
692
                   X86_DUMP_FPU);
693
#else
694
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
695
                   0);
696
#endif
697
}
698

    
699
static void print_cpu_iter(QObject *obj, void *opaque)
700
{
701
    QDict *cpu;
702
    int active = ' ';
703
    Monitor *mon = opaque;
704

    
705
    assert(qobject_type(obj) == QTYPE_QDICT);
706
    cpu = qobject_to_qdict(obj);
707

    
708
    if (qdict_get_bool(cpu, "current")) {
709
        active = '*';
710
    }
711

    
712
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
713

    
714
#if defined(TARGET_I386)
715
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
716
                   (target_ulong) qdict_get_int(cpu, "pc"));
717
#elif defined(TARGET_PPC)
718
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
719
                   (target_long) qdict_get_int(cpu, "nip"));
720
#elif defined(TARGET_SPARC)
721
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
722
                   (target_long) qdict_get_int(cpu, "pc"));
723
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
724
                   (target_long) qdict_get_int(cpu, "npc"));
725
#elif defined(TARGET_MIPS)
726
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
727
                   (target_long) qdict_get_int(cpu, "PC"));
728
#endif
729

    
730
    if (qdict_get_bool(cpu, "halted")) {
731
        monitor_printf(mon, " (halted)");
732
    }
733

    
734
    monitor_printf(mon, "\n");
735
}
736

    
737
static void monitor_print_cpus(Monitor *mon, const QObject *data)
738
{
739
    QList *cpu_list;
740

    
741
    assert(qobject_type(data) == QTYPE_QLIST);
742
    cpu_list = qobject_to_qlist(data);
743
    qlist_iter(cpu_list, print_cpu_iter, mon);
744
}
745

    
746
/**
747
 * do_info_cpus(): Show CPU information
748
 *
749
 * Return a QList. Each CPU is represented by a QDict, which contains:
750
 *
751
 * - "cpu": CPU index
752
 * - "current": true if this is the current CPU, false otherwise
753
 * - "halted": true if the cpu is halted, false otherwise
754
 * - Current program counter. The key's name depends on the architecture:
755
 *      "pc": i386/x86)64
756
 *      "nip": PPC
757
 *      "pc" and "npc": sparc
758
 *      "PC": mips
759
 *
760
 * Example:
761
 *
762
 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
763
 *   { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
764
 */
765
static void do_info_cpus(Monitor *mon, QObject **ret_data)
766
{
767
    CPUState *env;
768
    QList *cpu_list;
769

    
770
    cpu_list = qlist_new();
771

    
772
    /* just to set the default cpu if not already done */
773
    mon_get_cpu();
774

    
775
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
776
        QDict *cpu;
777
        QObject *obj;
778

    
779
        cpu_synchronize_state(env);
780

    
781
        obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
782
                                 env->cpu_index, env == mon->mon_cpu,
783
                                 env->halted);
784
        assert(obj != NULL);
785

    
786
        cpu = qobject_to_qdict(obj);
787

    
788
#if defined(TARGET_I386)
789
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
790
#elif defined(TARGET_PPC)
791
        qdict_put(cpu, "nip", qint_from_int(env->nip));
792
#elif defined(TARGET_SPARC)
793
        qdict_put(cpu, "pc", qint_from_int(env->pc));
794
        qdict_put(cpu, "npc", qint_from_int(env->npc));
795
#elif defined(TARGET_MIPS)
796
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
797
#endif
798

    
799
        qlist_append(cpu_list, cpu);
800
    }
801

    
802
    *ret_data = QOBJECT(cpu_list);
803
}
804

    
805
static void do_cpu_set(Monitor *mon, const QDict *qdict)
806
{
807
    int index = qdict_get_int(qdict, "index");
808
    if (mon_set_cpu(index) < 0)
809
        monitor_printf(mon, "Invalid CPU index\n");
810
}
811

    
812
static void do_info_jit(Monitor *mon)
813
{
814
    dump_exec_info((FILE *)mon, monitor_fprintf);
815
}
816

    
817
static void do_info_history(Monitor *mon)
818
{
819
    int i;
820
    const char *str;
821

    
822
    if (!mon->rs)
823
        return;
824
    i = 0;
825
    for(;;) {
826
        str = readline_get_history(mon->rs, i);
827
        if (!str)
828
            break;
829
        monitor_printf(mon, "%d: '%s'\n", i, str);
830
        i++;
831
    }
832
}
833

    
834
#if defined(TARGET_PPC)
835
/* XXX: not implemented in other targets */
836
static void do_info_cpu_stats(Monitor *mon)
837
{
838
    CPUState *env;
839

    
840
    env = mon_get_cpu();
841
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
842
}
843
#endif
844

    
845
/**
846
 * do_quit(): Quit QEMU execution
847
 */
848
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
849
{
850
    exit(0);
851
}
852

    
853
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
854
{
855
    if (bdrv_is_inserted(bs)) {
856
        if (!force) {
857
            if (!bdrv_is_removable(bs)) {
858
                qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
859
                               bdrv_get_device_name(bs));
860
                return -1;
861
            }
862
            if (bdrv_is_locked(bs)) {
863
                qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
864
                return -1;
865
            }
866
        }
867
        bdrv_close(bs);
868
    }
869
    return 0;
870
}
871

    
872
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
873
{
874
    BlockDriverState *bs;
875
    int force = qdict_get_int(qdict, "force");
876
    const char *filename = qdict_get_str(qdict, "device");
877

    
878
    bs = bdrv_find(filename);
879
    if (!bs) {
880
        qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
881
        return;
882
    }
883
    eject_device(mon, bs, force);
884
}
885

    
886
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
887
                                QObject **ret_data)
888
{
889
    BlockDriverState *bs;
890

    
891
    bs = bdrv_find(qdict_get_str(qdict, "device"));
892
    if (!bs) {
893
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
894
        return;
895
    }
896

    
897
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
898
        qemu_error_new(QERR_INVALID_PASSWORD);
899
    }
900
}
901

    
902
static void do_change_block(Monitor *mon, const char *device,
903
                            const char *filename, const char *fmt)
904
{
905
    BlockDriverState *bs;
906
    BlockDriver *drv = NULL;
907

    
908
    bs = bdrv_find(device);
909
    if (!bs) {
910
        qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
911
        return;
912
    }
913
    if (fmt) {
914
        drv = bdrv_find_whitelisted_format(fmt);
915
        if (!drv) {
916
            qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
917
            return;
918
        }
919
    }
920
    if (eject_device(mon, bs, 0) < 0)
921
        return;
922
    bdrv_open2(bs, filename, 0, drv);
923
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
924
}
925

    
926
static void change_vnc_password(const char *password)
927
{
928
    if (vnc_display_password(NULL, password) < 0)
929
        qemu_error_new(QERR_SET_PASSWD_FAILED);
930

    
931
}
932

    
933
static void change_vnc_password_cb(Monitor *mon, const char *password,
934
                                   void *opaque)
935
{
936
    change_vnc_password(password);
937
    monitor_read_command(mon, 1);
938
}
939

    
940
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
941
{
942
    if (strcmp(target, "passwd") == 0 ||
943
        strcmp(target, "password") == 0) {
944
        if (arg) {
945
            char password[9];
946
            strncpy(password, arg, sizeof(password));
947
            password[sizeof(password) - 1] = '\0';
948
            change_vnc_password(password);
949
        } else {
950
            monitor_read_password(mon, change_vnc_password_cb, NULL);
951
        }
952
    } else {
953
        if (vnc_display_open(NULL, target) < 0)
954
            qemu_error_new(QERR_VNC_SERVER_FAILED, target);
955
    }
956
}
957

    
958
/**
959
 * do_change(): Change a removable medium, or VNC configuration
960
 */
961
static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
962
{
963
    const char *device = qdict_get_str(qdict, "device");
964
    const char *target = qdict_get_str(qdict, "target");
965
    const char *arg = qdict_get_try_str(qdict, "arg");
966
    if (strcmp(device, "vnc") == 0) {
967
        do_change_vnc(mon, target, arg);
968
    } else {
969
        do_change_block(mon, device, target, arg);
970
    }
971
}
972

    
973
static void do_screen_dump(Monitor *mon, const QDict *qdict)
974
{
975
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
976
}
977

    
978
static void do_logfile(Monitor *mon, const QDict *qdict)
979
{
980
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
981
}
982

    
983
static void do_log(Monitor *mon, const QDict *qdict)
984
{
985
    int mask;
986
    const char *items = qdict_get_str(qdict, "items");
987

    
988
    if (!strcmp(items, "none")) {
989
        mask = 0;
990
    } else {
991
        mask = cpu_str_to_log_mask(items);
992
        if (!mask) {
993
            help_cmd(mon, "log");
994
            return;
995
        }
996
    }
997
    cpu_set_log(mask);
998
}
999

    
1000
static void do_singlestep(Monitor *mon, const QDict *qdict)
1001
{
1002
    const char *option = qdict_get_try_str(qdict, "option");
1003
    if (!option || !strcmp(option, "on")) {
1004
        singlestep = 1;
1005
    } else if (!strcmp(option, "off")) {
1006
        singlestep = 0;
1007
    } else {
1008
        monitor_printf(mon, "unexpected option %s\n", option);
1009
    }
1010
}
1011

    
1012
/**
1013
 * do_stop(): Stop VM execution
1014
 */
1015
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1016
{
1017
    vm_stop(EXCP_INTERRUPT);
1018
}
1019

    
1020
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1021

    
1022
struct bdrv_iterate_context {
1023
    Monitor *mon;
1024
    int err;
1025
};
1026

    
1027
/**
1028
 * do_cont(): Resume emulation.
1029
 */
1030
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1031
{
1032
    struct bdrv_iterate_context context = { mon, 0 };
1033

    
1034
    bdrv_iterate(encrypted_bdrv_it, &context);
1035
    /* only resume the vm if all keys are set and valid */
1036
    if (!context.err)
1037
        vm_start();
1038
}
1039

    
1040
static void bdrv_key_cb(void *opaque, int err)
1041
{
1042
    Monitor *mon = opaque;
1043

    
1044
    /* another key was set successfully, retry to continue */
1045
    if (!err)
1046
        do_cont(mon, NULL, NULL);
1047
}
1048

    
1049
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1050
{
1051
    struct bdrv_iterate_context *context = opaque;
1052

    
1053
    if (!context->err && bdrv_key_required(bs)) {
1054
        context->err = -EBUSY;
1055
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1056
                                    context->mon);
1057
    }
1058
}
1059

    
1060
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1061
{
1062
    const char *device = qdict_get_try_str(qdict, "device");
1063
    if (!device)
1064
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
1065
    if (gdbserver_start(device) < 0) {
1066
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1067
                       device);
1068
    } else if (strcmp(device, "none") == 0) {
1069
        monitor_printf(mon, "Disabled gdbserver\n");
1070
    } else {
1071
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1072
                       device);
1073
    }
1074
}
1075

    
1076
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1077
{
1078
    const char *action = qdict_get_str(qdict, "action");
1079
    if (select_watchdog_action(action) == -1) {
1080
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1081
    }
1082
}
1083

    
1084
static void monitor_printc(Monitor *mon, int c)
1085
{
1086
    monitor_printf(mon, "'");
1087
    switch(c) {
1088
    case '\'':
1089
        monitor_printf(mon, "\\'");
1090
        break;
1091
    case '\\':
1092
        monitor_printf(mon, "\\\\");
1093
        break;
1094
    case '\n':
1095
        monitor_printf(mon, "\\n");
1096
        break;
1097
    case '\r':
1098
        monitor_printf(mon, "\\r");
1099
        break;
1100
    default:
1101
        if (c >= 32 && c <= 126) {
1102
            monitor_printf(mon, "%c", c);
1103
        } else {
1104
            monitor_printf(mon, "\\x%02x", c);
1105
        }
1106
        break;
1107
    }
1108
    monitor_printf(mon, "'");
1109
}
1110

    
1111
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1112
                        target_phys_addr_t addr, int is_physical)
1113
{
1114
    CPUState *env;
1115
    int l, line_size, i, max_digits, len;
1116
    uint8_t buf[16];
1117
    uint64_t v;
1118

    
1119
    if (format == 'i') {
1120
        int flags;
1121
        flags = 0;
1122
        env = mon_get_cpu();
1123
        if (!env && !is_physical)
1124
            return;
1125
#ifdef TARGET_I386
1126
        if (wsize == 2) {
1127
            flags = 1;
1128
        } else if (wsize == 4) {
1129
            flags = 0;
1130
        } else {
1131
            /* as default we use the current CS size */
1132
            flags = 0;
1133
            if (env) {
1134
#ifdef TARGET_X86_64
1135
                if ((env->efer & MSR_EFER_LMA) &&
1136
                    (env->segs[R_CS].flags & DESC_L_MASK))
1137
                    flags = 2;
1138
                else
1139
#endif
1140
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1141
                    flags = 1;
1142
            }
1143
        }
1144
#endif
1145
        monitor_disas(mon, env, addr, count, is_physical, flags);
1146
        return;
1147
    }
1148

    
1149
    len = wsize * count;
1150
    if (wsize == 1)
1151
        line_size = 8;
1152
    else
1153
        line_size = 16;
1154
    max_digits = 0;
1155

    
1156
    switch(format) {
1157
    case 'o':
1158
        max_digits = (wsize * 8 + 2) / 3;
1159
        break;
1160
    default:
1161
    case 'x':
1162
        max_digits = (wsize * 8) / 4;
1163
        break;
1164
    case 'u':
1165
    case 'd':
1166
        max_digits = (wsize * 8 * 10 + 32) / 33;
1167
        break;
1168
    case 'c':
1169
        wsize = 1;
1170
        break;
1171
    }
1172

    
1173
    while (len > 0) {
1174
        if (is_physical)
1175
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1176
        else
1177
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1178
        l = len;
1179
        if (l > line_size)
1180
            l = line_size;
1181
        if (is_physical) {
1182
            cpu_physical_memory_rw(addr, buf, l, 0);
1183
        } else {
1184
            env = mon_get_cpu();
1185
            if (!env)
1186
                break;
1187
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1188
                monitor_printf(mon, " Cannot access memory\n");
1189
                break;
1190
            }
1191
        }
1192
        i = 0;
1193
        while (i < l) {
1194
            switch(wsize) {
1195
            default:
1196
            case 1:
1197
                v = ldub_raw(buf + i);
1198
                break;
1199
            case 2:
1200
                v = lduw_raw(buf + i);
1201
                break;
1202
            case 4:
1203
                v = (uint32_t)ldl_raw(buf + i);
1204
                break;
1205
            case 8:
1206
                v = ldq_raw(buf + i);
1207
                break;
1208
            }
1209
            monitor_printf(mon, " ");
1210
            switch(format) {
1211
            case 'o':
1212
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1213
                break;
1214
            case 'x':
1215
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1216
                break;
1217
            case 'u':
1218
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1219
                break;
1220
            case 'd':
1221
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1222
                break;
1223
            case 'c':
1224
                monitor_printc(mon, v);
1225
                break;
1226
            }
1227
            i += wsize;
1228
        }
1229
        monitor_printf(mon, "\n");
1230
        addr += l;
1231
        len -= l;
1232
    }
1233
}
1234

    
1235
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1236
{
1237
    int count = qdict_get_int(qdict, "count");
1238
    int format = qdict_get_int(qdict, "format");
1239
    int size = qdict_get_int(qdict, "size");
1240
    target_long addr = qdict_get_int(qdict, "addr");
1241

    
1242
    memory_dump(mon, count, format, size, addr, 0);
1243
}
1244

    
1245
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1246
{
1247
    int count = qdict_get_int(qdict, "count");
1248
    int format = qdict_get_int(qdict, "format");
1249
    int size = qdict_get_int(qdict, "size");
1250
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1251

    
1252
    memory_dump(mon, count, format, size, addr, 1);
1253
}
1254

    
1255
static void do_print(Monitor *mon, const QDict *qdict)
1256
{
1257
    int format = qdict_get_int(qdict, "format");
1258
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1259

    
1260
#if TARGET_PHYS_ADDR_BITS == 32
1261
    switch(format) {
1262
    case 'o':
1263
        monitor_printf(mon, "%#o", val);
1264
        break;
1265
    case 'x':
1266
        monitor_printf(mon, "%#x", val);
1267
        break;
1268
    case 'u':
1269
        monitor_printf(mon, "%u", val);
1270
        break;
1271
    default:
1272
    case 'd':
1273
        monitor_printf(mon, "%d", val);
1274
        break;
1275
    case 'c':
1276
        monitor_printc(mon, val);
1277
        break;
1278
    }
1279
#else
1280
    switch(format) {
1281
    case 'o':
1282
        monitor_printf(mon, "%#" PRIo64, val);
1283
        break;
1284
    case 'x':
1285
        monitor_printf(mon, "%#" PRIx64, val);
1286
        break;
1287
    case 'u':
1288
        monitor_printf(mon, "%" PRIu64, val);
1289
        break;
1290
    default:
1291
    case 'd':
1292
        monitor_printf(mon, "%" PRId64, val);
1293
        break;
1294
    case 'c':
1295
        monitor_printc(mon, val);
1296
        break;
1297
    }
1298
#endif
1299
    monitor_printf(mon, "\n");
1300
}
1301

    
1302
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1303
{
1304
    FILE *f;
1305
    uint32_t size = qdict_get_int(qdict, "size");
1306
    const char *filename = qdict_get_str(qdict, "filename");
1307
    target_long addr = qdict_get_int(qdict, "val");
1308
    uint32_t l;
1309
    CPUState *env;
1310
    uint8_t buf[1024];
1311

    
1312
    env = mon_get_cpu();
1313
    if (!env)
1314
        return;
1315

    
1316
    f = fopen(filename, "wb");
1317
    if (!f) {
1318
        monitor_printf(mon, "could not open '%s'\n", filename);
1319
        return;
1320
    }
1321
    while (size != 0) {
1322
        l = sizeof(buf);
1323
        if (l > size)
1324
            l = size;
1325
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1326
        fwrite(buf, 1, l, f);
1327
        addr += l;
1328
        size -= l;
1329
    }
1330
    fclose(f);
1331
}
1332

    
1333
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1334
                                    QObject **ret_data)
1335
{
1336
    FILE *f;
1337
    uint32_t l;
1338
    uint8_t buf[1024];
1339
    uint32_t size = qdict_get_int(qdict, "size");
1340
    const char *filename = qdict_get_str(qdict, "filename");
1341
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1342

    
1343
    f = fopen(filename, "wb");
1344
    if (!f) {
1345
        monitor_printf(mon, "could not open '%s'\n", filename);
1346
        return;
1347
    }
1348
    while (size != 0) {
1349
        l = sizeof(buf);
1350
        if (l > size)
1351
            l = size;
1352
        cpu_physical_memory_rw(addr, buf, l, 0);
1353
        fwrite(buf, 1, l, f);
1354
        fflush(f);
1355
        addr += l;
1356
        size -= l;
1357
    }
1358
    fclose(f);
1359
}
1360

    
1361
static void do_sum(Monitor *mon, const QDict *qdict)
1362
{
1363
    uint32_t addr;
1364
    uint8_t buf[1];
1365
    uint16_t sum;
1366
    uint32_t start = qdict_get_int(qdict, "start");
1367
    uint32_t size = qdict_get_int(qdict, "size");
1368

    
1369
    sum = 0;
1370
    for(addr = start; addr < (start + size); addr++) {
1371
        cpu_physical_memory_rw(addr, buf, 1, 0);
1372
        /* BSD sum algorithm ('sum' Unix command) */
1373
        sum = (sum >> 1) | (sum << 15);
1374
        sum += buf[0];
1375
    }
1376
    monitor_printf(mon, "%05d\n", sum);
1377
}
1378

    
1379
typedef struct {
1380
    int keycode;
1381
    const char *name;
1382
} KeyDef;
1383

    
1384
static const KeyDef key_defs[] = {
1385
    { 0x2a, "shift" },
1386
    { 0x36, "shift_r" },
1387

    
1388
    { 0x38, "alt" },
1389
    { 0xb8, "alt_r" },
1390
    { 0x64, "altgr" },
1391
    { 0xe4, "altgr_r" },
1392
    { 0x1d, "ctrl" },
1393
    { 0x9d, "ctrl_r" },
1394

    
1395
    { 0xdd, "menu" },
1396

    
1397
    { 0x01, "esc" },
1398

    
1399
    { 0x02, "1" },
1400
    { 0x03, "2" },
1401
    { 0x04, "3" },
1402
    { 0x05, "4" },
1403
    { 0x06, "5" },
1404
    { 0x07, "6" },
1405
    { 0x08, "7" },
1406
    { 0x09, "8" },
1407
    { 0x0a, "9" },
1408
    { 0x0b, "0" },
1409
    { 0x0c, "minus" },
1410
    { 0x0d, "equal" },
1411
    { 0x0e, "backspace" },
1412

    
1413
    { 0x0f, "tab" },
1414
    { 0x10, "q" },
1415
    { 0x11, "w" },
1416
    { 0x12, "e" },
1417
    { 0x13, "r" },
1418
    { 0x14, "t" },
1419
    { 0x15, "y" },
1420
    { 0x16, "u" },
1421
    { 0x17, "i" },
1422
    { 0x18, "o" },
1423
    { 0x19, "p" },
1424

    
1425
    { 0x1c, "ret" },
1426

    
1427
    { 0x1e, "a" },
1428
    { 0x1f, "s" },
1429
    { 0x20, "d" },
1430
    { 0x21, "f" },
1431
    { 0x22, "g" },
1432
    { 0x23, "h" },
1433
    { 0x24, "j" },
1434
    { 0x25, "k" },
1435
    { 0x26, "l" },
1436

    
1437
    { 0x2c, "z" },
1438
    { 0x2d, "x" },
1439
    { 0x2e, "c" },
1440
    { 0x2f, "v" },
1441
    { 0x30, "b" },
1442
    { 0x31, "n" },
1443
    { 0x32, "m" },
1444
    { 0x33, "comma" },
1445
    { 0x34, "dot" },
1446
    { 0x35, "slash" },
1447

    
1448
    { 0x37, "asterisk" },
1449

    
1450
    { 0x39, "spc" },
1451
    { 0x3a, "caps_lock" },
1452
    { 0x3b, "f1" },
1453
    { 0x3c, "f2" },
1454
    { 0x3d, "f3" },
1455
    { 0x3e, "f4" },
1456
    { 0x3f, "f5" },
1457
    { 0x40, "f6" },
1458
    { 0x41, "f7" },
1459
    { 0x42, "f8" },
1460
    { 0x43, "f9" },
1461
    { 0x44, "f10" },
1462
    { 0x45, "num_lock" },
1463
    { 0x46, "scroll_lock" },
1464

    
1465
    { 0xb5, "kp_divide" },
1466
    { 0x37, "kp_multiply" },
1467
    { 0x4a, "kp_subtract" },
1468
    { 0x4e, "kp_add" },
1469
    { 0x9c, "kp_enter" },
1470
    { 0x53, "kp_decimal" },
1471
    { 0x54, "sysrq" },
1472

    
1473
    { 0x52, "kp_0" },
1474
    { 0x4f, "kp_1" },
1475
    { 0x50, "kp_2" },
1476
    { 0x51, "kp_3" },
1477
    { 0x4b, "kp_4" },
1478
    { 0x4c, "kp_5" },
1479
    { 0x4d, "kp_6" },
1480
    { 0x47, "kp_7" },
1481
    { 0x48, "kp_8" },
1482
    { 0x49, "kp_9" },
1483

    
1484
    { 0x56, "<" },
1485

    
1486
    { 0x57, "f11" },
1487
    { 0x58, "f12" },
1488

    
1489
    { 0xb7, "print" },
1490

    
1491
    { 0xc7, "home" },
1492
    { 0xc9, "pgup" },
1493
    { 0xd1, "pgdn" },
1494
    { 0xcf, "end" },
1495

    
1496
    { 0xcb, "left" },
1497
    { 0xc8, "up" },
1498
    { 0xd0, "down" },
1499
    { 0xcd, "right" },
1500

    
1501
    { 0xd2, "insert" },
1502
    { 0xd3, "delete" },
1503
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1504
    { 0xf0, "stop" },
1505
    { 0xf1, "again" },
1506
    { 0xf2, "props" },
1507
    { 0xf3, "undo" },
1508
    { 0xf4, "front" },
1509
    { 0xf5, "copy" },
1510
    { 0xf6, "open" },
1511
    { 0xf7, "paste" },
1512
    { 0xf8, "find" },
1513
    { 0xf9, "cut" },
1514
    { 0xfa, "lf" },
1515
    { 0xfb, "help" },
1516
    { 0xfc, "meta_l" },
1517
    { 0xfd, "meta_r" },
1518
    { 0xfe, "compose" },
1519
#endif
1520
    { 0, NULL },
1521
};
1522

    
1523
static int get_keycode(const char *key)
1524
{
1525
    const KeyDef *p;
1526
    char *endp;
1527
    int ret;
1528

    
1529
    for(p = key_defs; p->name != NULL; p++) {
1530
        if (!strcmp(key, p->name))
1531
            return p->keycode;
1532
    }
1533
    if (strstart(key, "0x", NULL)) {
1534
        ret = strtoul(key, &endp, 0);
1535
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1536
            return ret;
1537
    }
1538
    return -1;
1539
}
1540

    
1541
#define MAX_KEYCODES 16
1542
static uint8_t keycodes[MAX_KEYCODES];
1543
static int nb_pending_keycodes;
1544
static QEMUTimer *key_timer;
1545

    
1546
static void release_keys(void *opaque)
1547
{
1548
    int keycode;
1549

    
1550
    while (nb_pending_keycodes > 0) {
1551
        nb_pending_keycodes--;
1552
        keycode = keycodes[nb_pending_keycodes];
1553
        if (keycode & 0x80)
1554
            kbd_put_keycode(0xe0);
1555
        kbd_put_keycode(keycode | 0x80);
1556
    }
1557
}
1558

    
1559
static void do_sendkey(Monitor *mon, const QDict *qdict)
1560
{
1561
    char keyname_buf[16];
1562
    char *separator;
1563
    int keyname_len, keycode, i;
1564
    const char *string = qdict_get_str(qdict, "string");
1565
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1566
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1567

    
1568
    if (nb_pending_keycodes > 0) {
1569
        qemu_del_timer(key_timer);
1570
        release_keys(NULL);
1571
    }
1572
    if (!has_hold_time)
1573
        hold_time = 100;
1574
    i = 0;
1575
    while (1) {
1576
        separator = strchr(string, '-');
1577
        keyname_len = separator ? separator - string : strlen(string);
1578
        if (keyname_len > 0) {
1579
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1580
            if (keyname_len > sizeof(keyname_buf) - 1) {
1581
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1582
                return;
1583
            }
1584
            if (i == MAX_KEYCODES) {
1585
                monitor_printf(mon, "too many keys\n");
1586
                return;
1587
            }
1588
            keyname_buf[keyname_len] = 0;
1589
            keycode = get_keycode(keyname_buf);
1590
            if (keycode < 0) {
1591
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1592
                return;
1593
            }
1594
            keycodes[i++] = keycode;
1595
        }
1596
        if (!separator)
1597
            break;
1598
        string = separator + 1;
1599
    }
1600
    nb_pending_keycodes = i;
1601
    /* key down events */
1602
    for (i = 0; i < nb_pending_keycodes; i++) {
1603
        keycode = keycodes[i];
1604
        if (keycode & 0x80)
1605
            kbd_put_keycode(0xe0);
1606
        kbd_put_keycode(keycode & 0x7f);
1607
    }
1608
    /* delayed key up events */
1609
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1610
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1611
}
1612

    
1613
static int mouse_button_state;
1614

    
1615
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1616
{
1617
    int dx, dy, dz;
1618
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1619
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1620
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1621
    dx = strtol(dx_str, NULL, 0);
1622
    dy = strtol(dy_str, NULL, 0);
1623
    dz = 0;
1624
    if (dz_str)
1625
        dz = strtol(dz_str, NULL, 0);
1626
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1627
}
1628

    
1629
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1630
{
1631
    int button_state = qdict_get_int(qdict, "button_state");
1632
    mouse_button_state = button_state;
1633
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1634
}
1635

    
1636
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1637
{
1638
    int size = qdict_get_int(qdict, "size");
1639
    int addr = qdict_get_int(qdict, "addr");
1640
    int has_index = qdict_haskey(qdict, "index");
1641
    uint32_t val;
1642
    int suffix;
1643

    
1644
    if (has_index) {
1645
        int index = qdict_get_int(qdict, "index");
1646
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1647
        addr++;
1648
    }
1649
    addr &= 0xffff;
1650

    
1651
    switch(size) {
1652
    default:
1653
    case 1:
1654
        val = cpu_inb(addr);
1655
        suffix = 'b';
1656
        break;
1657
    case 2:
1658
        val = cpu_inw(addr);
1659
        suffix = 'w';
1660
        break;
1661
    case 4:
1662
        val = cpu_inl(addr);
1663
        suffix = 'l';
1664
        break;
1665
    }
1666
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1667
                   suffix, addr, size * 2, val);
1668
}
1669

    
1670
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1671
{
1672
    int size = qdict_get_int(qdict, "size");
1673
    int addr = qdict_get_int(qdict, "addr");
1674
    int val = qdict_get_int(qdict, "val");
1675

    
1676
    addr &= IOPORTS_MASK;
1677

    
1678
    switch (size) {
1679
    default:
1680
    case 1:
1681
        cpu_outb(addr, val);
1682
        break;
1683
    case 2:
1684
        cpu_outw(addr, val);
1685
        break;
1686
    case 4:
1687
        cpu_outl(addr, val);
1688
        break;
1689
    }
1690
}
1691

    
1692
static void do_boot_set(Monitor *mon, const QDict *qdict)
1693
{
1694
    int res;
1695
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1696

    
1697
    res = qemu_boot_set(bootdevice);
1698
    if (res == 0) {
1699
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1700
    } else if (res > 0) {
1701
        monitor_printf(mon, "setting boot device list failed\n");
1702
    } else {
1703
        monitor_printf(mon, "no function defined to set boot device list for "
1704
                       "this architecture\n");
1705
    }
1706
}
1707

    
1708
/**
1709
 * do_system_reset(): Issue a machine reset
1710
 */
1711
static void do_system_reset(Monitor *mon, const QDict *qdict,
1712
                            QObject **ret_data)
1713
{
1714
    qemu_system_reset_request();
1715
}
1716

    
1717
/**
1718
 * do_system_powerdown(): Issue a machine powerdown
1719
 */
1720
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1721
                                QObject **ret_data)
1722
{
1723
    qemu_system_powerdown_request();
1724
}
1725

    
1726
#if defined(TARGET_I386)
1727
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1728
{
1729
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1730
                   addr,
1731
                   pte & mask,
1732
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1733
                   pte & PG_PSE_MASK ? 'P' : '-',
1734
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1735
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1736
                   pte & PG_PCD_MASK ? 'C' : '-',
1737
                   pte & PG_PWT_MASK ? 'T' : '-',
1738
                   pte & PG_USER_MASK ? 'U' : '-',
1739
                   pte & PG_RW_MASK ? 'W' : '-');
1740
}
1741

    
1742
static void tlb_info(Monitor *mon)
1743
{
1744
    CPUState *env;
1745
    int l1, l2;
1746
    uint32_t pgd, pde, pte;
1747

    
1748
    env = mon_get_cpu();
1749
    if (!env)
1750
        return;
1751

    
1752
    if (!(env->cr[0] & CR0_PG_MASK)) {
1753
        monitor_printf(mon, "PG disabled\n");
1754
        return;
1755
    }
1756
    pgd = env->cr[3] & ~0xfff;
1757
    for(l1 = 0; l1 < 1024; l1++) {
1758
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1759
        pde = le32_to_cpu(pde);
1760
        if (pde & PG_PRESENT_MASK) {
1761
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1762
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1763
            } else {
1764
                for(l2 = 0; l2 < 1024; l2++) {
1765
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1766
                                             (uint8_t *)&pte, 4);
1767
                    pte = le32_to_cpu(pte);
1768
                    if (pte & PG_PRESENT_MASK) {
1769
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1770
                                  pte & ~PG_PSE_MASK,
1771
                                  ~0xfff);
1772
                    }
1773
                }
1774
            }
1775
        }
1776
    }
1777
}
1778

    
1779
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1780
                      uint32_t end, int prot)
1781
{
1782
    int prot1;
1783
    prot1 = *plast_prot;
1784
    if (prot != prot1) {
1785
        if (*pstart != -1) {
1786
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1787
                           *pstart, end, end - *pstart,
1788
                           prot1 & PG_USER_MASK ? 'u' : '-',
1789
                           'r',
1790
                           prot1 & PG_RW_MASK ? 'w' : '-');
1791
        }
1792
        if (prot != 0)
1793
            *pstart = end;
1794
        else
1795
            *pstart = -1;
1796
        *plast_prot = prot;
1797
    }
1798
}
1799

    
1800
static void mem_info(Monitor *mon)
1801
{
1802
    CPUState *env;
1803
    int l1, l2, prot, last_prot;
1804
    uint32_t pgd, pde, pte, start, end;
1805

    
1806
    env = mon_get_cpu();
1807
    if (!env)
1808
        return;
1809

    
1810
    if (!(env->cr[0] & CR0_PG_MASK)) {
1811
        monitor_printf(mon, "PG disabled\n");
1812
        return;
1813
    }
1814
    pgd = env->cr[3] & ~0xfff;
1815
    last_prot = 0;
1816
    start = -1;
1817
    for(l1 = 0; l1 < 1024; l1++) {
1818
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1819
        pde = le32_to_cpu(pde);
1820
        end = l1 << 22;
1821
        if (pde & PG_PRESENT_MASK) {
1822
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1823
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1824
                mem_print(mon, &start, &last_prot, end, prot);
1825
            } else {
1826
                for(l2 = 0; l2 < 1024; l2++) {
1827
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1828
                                             (uint8_t *)&pte, 4);
1829
                    pte = le32_to_cpu(pte);
1830
                    end = (l1 << 22) + (l2 << 12);
1831
                    if (pte & PG_PRESENT_MASK) {
1832
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1833
                    } else {
1834
                        prot = 0;
1835
                    }
1836
                    mem_print(mon, &start, &last_prot, end, prot);
1837
                }
1838
            }
1839
        } else {
1840
            prot = 0;
1841
            mem_print(mon, &start, &last_prot, end, prot);
1842
        }
1843
    }
1844
}
1845
#endif
1846

    
1847
#if defined(TARGET_SH4)
1848

    
1849
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1850
{
1851
    monitor_printf(mon, " tlb%i:\t"
1852
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1853
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1854
                   "dirty=%hhu writethrough=%hhu\n",
1855
                   idx,
1856
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1857
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1858
                   tlb->d, tlb->wt);
1859
}
1860

    
1861
static void tlb_info(Monitor *mon)
1862
{
1863
    CPUState *env = mon_get_cpu();
1864
    int i;
1865

    
1866
    monitor_printf (mon, "ITLB:\n");
1867
    for (i = 0 ; i < ITLB_SIZE ; i++)
1868
        print_tlb (mon, i, &env->itlb[i]);
1869
    monitor_printf (mon, "UTLB:\n");
1870
    for (i = 0 ; i < UTLB_SIZE ; i++)
1871
        print_tlb (mon, i, &env->utlb[i]);
1872
}
1873

    
1874
#endif
1875

    
1876
static void do_info_kvm_print(Monitor *mon, const QObject *data)
1877
{
1878
    QDict *qdict;
1879

    
1880
    qdict = qobject_to_qdict(data);
1881

    
1882
    monitor_printf(mon, "kvm support: ");
1883
    if (qdict_get_bool(qdict, "present")) {
1884
        monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1885
                                    "enabled" : "disabled");
1886
    } else {
1887
        monitor_printf(mon, "not compiled\n");
1888
    }
1889
}
1890

    
1891
/**
1892
 * do_info_kvm(): Show KVM information
1893
 *
1894
 * Return a QDict with the following information:
1895
 *
1896
 * - "enabled": true if KVM support is enabled, false otherwise
1897
 * - "present": true if QEMU has KVM support, false otherwise
1898
 *
1899
 * Example:
1900
 *
1901
 * { "enabled": true, "present": true }
1902
 */
1903
static void do_info_kvm(Monitor *mon, QObject **ret_data)
1904
{
1905
#ifdef CONFIG_KVM
1906
    *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1907
                                   kvm_enabled());
1908
#else
1909
    *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1910
#endif
1911
}
1912

    
1913
static void do_info_numa(Monitor *mon)
1914
{
1915
    int i;
1916
    CPUState *env;
1917

    
1918
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1919
    for (i = 0; i < nb_numa_nodes; i++) {
1920
        monitor_printf(mon, "node %d cpus:", i);
1921
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1922
            if (env->numa_node == i) {
1923
                monitor_printf(mon, " %d", env->cpu_index);
1924
            }
1925
        }
1926
        monitor_printf(mon, "\n");
1927
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1928
            node_mem[i] >> 20);
1929
    }
1930
}
1931

    
1932
#ifdef CONFIG_PROFILER
1933

    
1934
int64_t qemu_time;
1935
int64_t dev_time;
1936

    
1937
static void do_info_profile(Monitor *mon)
1938
{
1939
    int64_t total;
1940
    total = qemu_time;
1941
    if (total == 0)
1942
        total = 1;
1943
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1944
                   dev_time, dev_time / (double)get_ticks_per_sec());
1945
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1946
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1947
    qemu_time = 0;
1948
    dev_time = 0;
1949
}
1950
#else
1951
static void do_info_profile(Monitor *mon)
1952
{
1953
    monitor_printf(mon, "Internal profiler not compiled\n");
1954
}
1955
#endif
1956

    
1957
/* Capture support */
1958
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1959

    
1960
static void do_info_capture(Monitor *mon)
1961
{
1962
    int i;
1963
    CaptureState *s;
1964

    
1965
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1966
        monitor_printf(mon, "[%d]: ", i);
1967
        s->ops.info (s->opaque);
1968
    }
1969
}
1970

    
1971
#ifdef HAS_AUDIO
1972
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1973
{
1974
    int i;
1975
    int n = qdict_get_int(qdict, "n");
1976
    CaptureState *s;
1977

    
1978
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1979
        if (i == n) {
1980
            s->ops.destroy (s->opaque);
1981
            QLIST_REMOVE (s, entries);
1982
            qemu_free (s);
1983
            return;
1984
        }
1985
    }
1986
}
1987

    
1988
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1989
{
1990
    const char *path = qdict_get_str(qdict, "path");
1991
    int has_freq = qdict_haskey(qdict, "freq");
1992
    int freq = qdict_get_try_int(qdict, "freq", -1);
1993
    int has_bits = qdict_haskey(qdict, "bits");
1994
    int bits = qdict_get_try_int(qdict, "bits", -1);
1995
    int has_channels = qdict_haskey(qdict, "nchannels");
1996
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1997
    CaptureState *s;
1998

    
1999
    s = qemu_mallocz (sizeof (*s));
2000

    
2001
    freq = has_freq ? freq : 44100;
2002
    bits = has_bits ? bits : 16;
2003
    nchannels = has_channels ? nchannels : 2;
2004

    
2005
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2006
        monitor_printf(mon, "Faied to add wave capture\n");
2007
        qemu_free (s);
2008
    }
2009
    QLIST_INSERT_HEAD (&capture_head, s, entries);
2010
}
2011
#endif
2012

    
2013
#if defined(TARGET_I386)
2014
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2015
{
2016
    CPUState *env;
2017
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2018

    
2019
    for (env = first_cpu; env != NULL; env = env->next_cpu)
2020
        if (env->cpu_index == cpu_index) {
2021
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
2022
            break;
2023
        }
2024
}
2025
#endif
2026

    
2027
static void do_info_status_print(Monitor *mon, const QObject *data)
2028
{
2029
    QDict *qdict;
2030

    
2031
    qdict = qobject_to_qdict(data);
2032

    
2033
    monitor_printf(mon, "VM status: ");
2034
    if (qdict_get_bool(qdict, "running")) {
2035
        monitor_printf(mon, "running");
2036
        if (qdict_get_bool(qdict, "singlestep")) {
2037
            monitor_printf(mon, " (single step mode)");
2038
        }
2039
    } else {
2040
        monitor_printf(mon, "paused");
2041
    }
2042

    
2043
    monitor_printf(mon, "\n");
2044
}
2045

    
2046
/**
2047
 * do_info_status(): VM status
2048
 *
2049
 * Return a QDict with the following information:
2050
 *
2051
 * - "running": true if the VM is running, or false if it is paused
2052
 * - "singlestep": true if the VM is in single step mode, false otherwise
2053
 *
2054
 * Example:
2055
 *
2056
 * { "running": true, "singlestep": false }
2057
 */
2058
static void do_info_status(Monitor *mon, QObject **ret_data)
2059
{
2060
    *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2061
                                    vm_running, singlestep);
2062
}
2063

    
2064
static ram_addr_t balloon_get_value(void)
2065
{
2066
    ram_addr_t actual;
2067

    
2068
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2069
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2070
        return 0;
2071
    }
2072

    
2073
    actual = qemu_balloon_status();
2074
    if (actual == 0) {
2075
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2076
        return 0;
2077
    }
2078

    
2079
    return actual;
2080
}
2081

    
2082
/**
2083
 * do_balloon(): Request VM to change its memory allocation
2084
 */
2085
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2086
{
2087
    if (balloon_get_value()) {
2088
        /* ballooning is active */
2089
        qemu_balloon(qdict_get_int(qdict, "value"));
2090
    }
2091
}
2092

    
2093
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2094
{
2095
    QDict *qdict;
2096

    
2097
    qdict = qobject_to_qdict(data);
2098

    
2099
    monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2100
                        qdict_get_int(qdict, "balloon") >> 20);
2101
}
2102

    
2103
/**
2104
 * do_info_balloon(): Balloon information
2105
 *
2106
 * Return a QDict with the following information:
2107
 *
2108
 * - "balloon": current balloon value in bytes
2109
 *
2110
 * Example:
2111
 *
2112
 * { "balloon": 1073741824 }
2113
 */
2114
static void do_info_balloon(Monitor *mon, QObject **ret_data)
2115
{
2116
    ram_addr_t actual;
2117

    
2118
    actual = balloon_get_value();
2119
    if (actual != 0) {
2120
        *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2121
                                       (int64_t) actual);
2122
    }
2123
}
2124

    
2125
static qemu_acl *find_acl(Monitor *mon, const char *name)
2126
{
2127
    qemu_acl *acl = qemu_acl_find(name);
2128

    
2129
    if (!acl) {
2130
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2131
    }
2132
    return acl;
2133
}
2134

    
2135
static void do_acl_show(Monitor *mon, const QDict *qdict)
2136
{
2137
    const char *aclname = qdict_get_str(qdict, "aclname");
2138
    qemu_acl *acl = find_acl(mon, aclname);
2139
    qemu_acl_entry *entry;
2140
    int i = 0;
2141

    
2142
    if (acl) {
2143
        monitor_printf(mon, "policy: %s\n",
2144
                       acl->defaultDeny ? "deny" : "allow");
2145
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2146
            i++;
2147
            monitor_printf(mon, "%d: %s %s\n", i,
2148
                           entry->deny ? "deny" : "allow", entry->match);
2149
        }
2150
    }
2151
}
2152

    
2153
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2154
{
2155
    const char *aclname = qdict_get_str(qdict, "aclname");
2156
    qemu_acl *acl = find_acl(mon, aclname);
2157

    
2158
    if (acl) {
2159
        qemu_acl_reset(acl);
2160
        monitor_printf(mon, "acl: removed all rules\n");
2161
    }
2162
}
2163

    
2164
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2165
{
2166
    const char *aclname = qdict_get_str(qdict, "aclname");
2167
    const char *policy = qdict_get_str(qdict, "policy");
2168
    qemu_acl *acl = find_acl(mon, aclname);
2169

    
2170
    if (acl) {
2171
        if (strcmp(policy, "allow") == 0) {
2172
            acl->defaultDeny = 0;
2173
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2174
        } else if (strcmp(policy, "deny") == 0) {
2175
            acl->defaultDeny = 1;
2176
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2177
        } else {
2178
            monitor_printf(mon, "acl: unknown policy '%s', "
2179
                           "expected 'deny' or 'allow'\n", policy);
2180
        }
2181
    }
2182
}
2183

    
2184
static void do_acl_add(Monitor *mon, const QDict *qdict)
2185
{
2186
    const char *aclname = qdict_get_str(qdict, "aclname");
2187
    const char *match = qdict_get_str(qdict, "match");
2188
    const char *policy = qdict_get_str(qdict, "policy");
2189
    int has_index = qdict_haskey(qdict, "index");
2190
    int index = qdict_get_try_int(qdict, "index", -1);
2191
    qemu_acl *acl = find_acl(mon, aclname);
2192
    int deny, ret;
2193

    
2194
    if (acl) {
2195
        if (strcmp(policy, "allow") == 0) {
2196
            deny = 0;
2197
        } else if (strcmp(policy, "deny") == 0) {
2198
            deny = 1;
2199
        } else {
2200
            monitor_printf(mon, "acl: unknown policy '%s', "
2201
                           "expected 'deny' or 'allow'\n", policy);
2202
            return;
2203
        }
2204
        if (has_index)
2205
            ret = qemu_acl_insert(acl, deny, match, index);
2206
        else
2207
            ret = qemu_acl_append(acl, deny, match);
2208
        if (ret < 0)
2209
            monitor_printf(mon, "acl: unable to add acl entry\n");
2210
        else
2211
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2212
    }
2213
}
2214

    
2215
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2216
{
2217
    const char *aclname = qdict_get_str(qdict, "aclname");
2218
    const char *match = qdict_get_str(qdict, "match");
2219
    qemu_acl *acl = find_acl(mon, aclname);
2220
    int ret;
2221

    
2222
    if (acl) {
2223
        ret = qemu_acl_remove(acl, match);
2224
        if (ret < 0)
2225
            monitor_printf(mon, "acl: no matching acl entry\n");
2226
        else
2227
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2228
    }
2229
}
2230

    
2231
#if defined(TARGET_I386)
2232
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2233
{
2234
    CPUState *cenv;
2235
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2236
    int bank = qdict_get_int(qdict, "bank");
2237
    uint64_t status = qdict_get_int(qdict, "status");
2238
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2239
    uint64_t addr = qdict_get_int(qdict, "addr");
2240
    uint64_t misc = qdict_get_int(qdict, "misc");
2241

    
2242
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2243
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2244
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2245
            break;
2246
        }
2247
}
2248
#endif
2249

    
2250
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2251
{
2252
    const char *fdname = qdict_get_str(qdict, "fdname");
2253
    mon_fd_t *monfd;
2254
    int fd;
2255

    
2256
    fd = qemu_chr_get_msgfd(mon->chr);
2257
    if (fd == -1) {
2258
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2259
        return;
2260
    }
2261

    
2262
    if (qemu_isdigit(fdname[0])) {
2263
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2264
        return;
2265
    }
2266

    
2267
    fd = dup(fd);
2268
    if (fd == -1) {
2269
        if (errno == EMFILE)
2270
            qemu_error_new(QERR_TOO_MANY_FILES);
2271
        else
2272
            qemu_error_new(QERR_UNDEFINED_ERROR);
2273
        return;
2274
    }
2275

    
2276
    QLIST_FOREACH(monfd, &mon->fds, next) {
2277
        if (strcmp(monfd->name, fdname) != 0) {
2278
            continue;
2279
        }
2280

    
2281
        close(monfd->fd);
2282
        monfd->fd = fd;
2283
        return;
2284
    }
2285

    
2286
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2287
    monfd->name = qemu_strdup(fdname);
2288
    monfd->fd = fd;
2289

    
2290
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2291
}
2292

    
2293
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2294
{
2295
    const char *fdname = qdict_get_str(qdict, "fdname");
2296
    mon_fd_t *monfd;
2297

    
2298
    QLIST_FOREACH(monfd, &mon->fds, next) {
2299
        if (strcmp(monfd->name, fdname) != 0) {
2300
            continue;
2301
        }
2302

    
2303
        QLIST_REMOVE(monfd, next);
2304
        close(monfd->fd);
2305
        qemu_free(monfd->name);
2306
        qemu_free(monfd);
2307
        return;
2308
    }
2309

    
2310
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2311
}
2312

    
2313
static void do_loadvm(Monitor *mon, const QDict *qdict)
2314
{
2315
    int saved_vm_running  = vm_running;
2316
    const char *name = qdict_get_str(qdict, "name");
2317

    
2318
    vm_stop(0);
2319

    
2320
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2321
        vm_start();
2322
}
2323

    
2324
int monitor_get_fd(Monitor *mon, const char *fdname)
2325
{
2326
    mon_fd_t *monfd;
2327

    
2328
    QLIST_FOREACH(monfd, &mon->fds, next) {
2329
        int fd;
2330

    
2331
        if (strcmp(monfd->name, fdname) != 0) {
2332
            continue;
2333
        }
2334

    
2335
        fd = monfd->fd;
2336

    
2337
        /* caller takes ownership of fd */
2338
        QLIST_REMOVE(monfd, next);
2339
        qemu_free(monfd->name);
2340
        qemu_free(monfd);
2341

    
2342
        return fd;
2343
    }
2344

    
2345
    return -1;
2346
}
2347

    
2348
static const mon_cmd_t mon_cmds[] = {
2349
#include "qemu-monitor.h"
2350
    { NULL, NULL, },
2351
};
2352

    
2353
/* Please update qemu-monitor.hx when adding or changing commands */
2354
static const mon_cmd_t info_cmds[] = {
2355
    {
2356
        .name       = "version",
2357
        .args_type  = "",
2358
        .params     = "",
2359
        .help       = "show the version of QEMU",
2360
        .user_print = do_info_version_print,
2361
        .mhandler.info_new = do_info_version,
2362
    },
2363
    {
2364
        .name       = "commands",
2365
        .args_type  = "",
2366
        .params     = "",
2367
        .help       = "list QMP available commands",
2368
        .user_print = monitor_user_noop,
2369
        .mhandler.info_new = do_info_commands,
2370
    },
2371
    {
2372
        .name       = "network",
2373
        .args_type  = "",
2374
        .params     = "",
2375
        .help       = "show the network state",
2376
        .mhandler.info = do_info_network,
2377
    },
2378
    {
2379
        .name       = "chardev",
2380
        .args_type  = "",
2381
        .params     = "",
2382
        .help       = "show the character devices",
2383
        .user_print = qemu_chr_info_print,
2384
        .mhandler.info_new = qemu_chr_info,
2385
    },
2386
    {
2387
        .name       = "block",
2388
        .args_type  = "",
2389
        .params     = "",
2390
        .help       = "show the block devices",
2391
        .user_print = bdrv_info_print,
2392
        .mhandler.info_new = bdrv_info,
2393
    },
2394
    {
2395
        .name       = "blockstats",
2396
        .args_type  = "",
2397
        .params     = "",
2398
        .help       = "show block device statistics",
2399
        .user_print = bdrv_stats_print,
2400
        .mhandler.info_new = bdrv_info_stats,
2401
    },
2402
    {
2403
        .name       = "registers",
2404
        .args_type  = "",
2405
        .params     = "",
2406
        .help       = "show the cpu registers",
2407
        .mhandler.info = do_info_registers,
2408
    },
2409
    {
2410
        .name       = "cpus",
2411
        .args_type  = "",
2412
        .params     = "",
2413
        .help       = "show infos for each CPU",
2414
        .user_print = monitor_print_cpus,
2415
        .mhandler.info_new = do_info_cpus,
2416
    },
2417
    {
2418
        .name       = "history",
2419
        .args_type  = "",
2420
        .params     = "",
2421
        .help       = "show the command line history",
2422
        .mhandler.info = do_info_history,
2423
    },
2424
    {
2425
        .name       = "irq",
2426
        .args_type  = "",
2427
        .params     = "",
2428
        .help       = "show the interrupts statistics (if available)",
2429
        .mhandler.info = irq_info,
2430
    },
2431
    {
2432
        .name       = "pic",
2433
        .args_type  = "",
2434
        .params     = "",
2435
        .help       = "show i8259 (PIC) state",
2436
        .mhandler.info = pic_info,
2437
    },
2438
    {
2439
        .name       = "pci",
2440
        .args_type  = "",
2441
        .params     = "",
2442
        .help       = "show PCI info",
2443
        .mhandler.info = pci_info,
2444
    },
2445
#if defined(TARGET_I386) || defined(TARGET_SH4)
2446
    {
2447
        .name       = "tlb",
2448
        .args_type  = "",
2449
        .params     = "",
2450
        .help       = "show virtual to physical memory mappings",
2451
        .mhandler.info = tlb_info,
2452
    },
2453
#endif
2454
#if defined(TARGET_I386)
2455
    {
2456
        .name       = "mem",
2457
        .args_type  = "",
2458
        .params     = "",
2459
        .help       = "show the active virtual memory mappings",
2460
        .mhandler.info = mem_info,
2461
    },
2462
    {
2463
        .name       = "hpet",
2464
        .args_type  = "",
2465
        .params     = "",
2466
        .help       = "show state of HPET",
2467
        .user_print = do_info_hpet_print,
2468
        .mhandler.info_new = do_info_hpet,
2469
    },
2470
#endif
2471
    {
2472
        .name       = "jit",
2473
        .args_type  = "",
2474
        .params     = "",
2475
        .help       = "show dynamic compiler info",
2476
        .mhandler.info = do_info_jit,
2477
    },
2478
    {
2479
        .name       = "kvm",
2480
        .args_type  = "",
2481
        .params     = "",
2482
        .help       = "show KVM information",
2483
        .user_print = do_info_kvm_print,
2484
        .mhandler.info_new = do_info_kvm,
2485
    },
2486
    {
2487
        .name       = "numa",
2488
        .args_type  = "",
2489
        .params     = "",
2490
        .help       = "show NUMA information",
2491
        .mhandler.info = do_info_numa,
2492
    },
2493
    {
2494
        .name       = "usb",
2495
        .args_type  = "",
2496
        .params     = "",
2497
        .help       = "show guest USB devices",
2498
        .mhandler.info = usb_info,
2499
    },
2500
    {
2501
        .name       = "usbhost",
2502
        .args_type  = "",
2503
        .params     = "",
2504
        .help       = "show host USB devices",
2505
        .mhandler.info = usb_host_info,
2506
    },
2507
    {
2508
        .name       = "profile",
2509
        .args_type  = "",
2510
        .params     = "",
2511
        .help       = "show profiling information",
2512
        .mhandler.info = do_info_profile,
2513
    },
2514
    {
2515
        .name       = "capture",
2516
        .args_type  = "",
2517
        .params     = "",
2518
        .help       = "show capture information",
2519
        .mhandler.info = do_info_capture,
2520
    },
2521
    {
2522
        .name       = "snapshots",
2523
        .args_type  = "",
2524
        .params     = "",
2525
        .help       = "show the currently saved VM snapshots",
2526
        .mhandler.info = do_info_snapshots,
2527
    },
2528
    {
2529
        .name       = "status",
2530
        .args_type  = "",
2531
        .params     = "",
2532
        .help       = "show the current VM status (running|paused)",
2533
        .user_print = do_info_status_print,
2534
        .mhandler.info_new = do_info_status,
2535
    },
2536
    {
2537
        .name       = "pcmcia",
2538
        .args_type  = "",
2539
        .params     = "",
2540
        .help       = "show guest PCMCIA status",
2541
        .mhandler.info = pcmcia_info,
2542
    },
2543
    {
2544
        .name       = "mice",
2545
        .args_type  = "",
2546
        .params     = "",
2547
        .help       = "show which guest mouse is receiving events",
2548
        .user_print = do_info_mice_print,
2549
        .mhandler.info_new = do_info_mice,
2550
    },
2551
    {
2552
        .name       = "vnc",
2553
        .args_type  = "",
2554
        .params     = "",
2555
        .help       = "show the vnc server status",
2556
        .user_print = do_info_vnc_print,
2557
        .mhandler.info_new = do_info_vnc,
2558
    },
2559
    {
2560
        .name       = "name",
2561
        .args_type  = "",
2562
        .params     = "",
2563
        .help       = "show the current VM name",
2564
        .user_print = do_info_name_print,
2565
        .mhandler.info_new = do_info_name,
2566
    },
2567
    {
2568
        .name       = "uuid",
2569
        .args_type  = "",
2570
        .params     = "",
2571
        .help       = "show the current VM UUID",
2572
        .user_print = do_info_uuid_print,
2573
        .mhandler.info_new = do_info_uuid,
2574
    },
2575
#if defined(TARGET_PPC)
2576
    {
2577
        .name       = "cpustats",
2578
        .args_type  = "",
2579
        .params     = "",
2580
        .help       = "show CPU statistics",
2581
        .mhandler.info = do_info_cpu_stats,
2582
    },
2583
#endif
2584
#if defined(CONFIG_SLIRP)
2585
    {
2586
        .name       = "usernet",
2587
        .args_type  = "",
2588
        .params     = "",
2589
        .help       = "show user network stack connection states",
2590
        .mhandler.info = do_info_usernet,
2591
    },
2592
#endif
2593
    {
2594
        .name       = "migrate",
2595
        .args_type  = "",
2596
        .params     = "",
2597
        .help       = "show migration status",
2598
        .user_print = do_info_migrate_print,
2599
        .mhandler.info_new = do_info_migrate,
2600
    },
2601
    {
2602
        .name       = "balloon",
2603
        .args_type  = "",
2604
        .params     = "",
2605
        .help       = "show balloon information",
2606
        .user_print = monitor_print_balloon,
2607
        .mhandler.info_new = do_info_balloon,
2608
    },
2609
    {
2610
        .name       = "qtree",
2611
        .args_type  = "",
2612
        .params     = "",
2613
        .help       = "show device tree",
2614
        .mhandler.info = do_info_qtree,
2615
    },
2616
    {
2617
        .name       = "qdm",
2618
        .args_type  = "",
2619
        .params     = "",
2620
        .help       = "show qdev device model list",
2621
        .mhandler.info = do_info_qdm,
2622
    },
2623
    {
2624
        .name       = "roms",
2625
        .args_type  = "",
2626
        .params     = "",
2627
        .help       = "show roms",
2628
        .mhandler.info = do_info_roms,
2629
    },
2630
    {
2631
        .name       = NULL,
2632
    },
2633
};
2634

    
2635
/*******************************************************************/
2636

    
2637
static const char *pch;
2638
static jmp_buf expr_env;
2639

    
2640
#define MD_TLONG 0
2641
#define MD_I32   1
2642

    
2643
typedef struct MonitorDef {
2644
    const char *name;
2645
    int offset;
2646
    target_long (*get_value)(const struct MonitorDef *md, int val);
2647
    int type;
2648
} MonitorDef;
2649

    
2650
#if defined(TARGET_I386)
2651
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2652
{
2653
    CPUState *env = mon_get_cpu();
2654
    if (!env)
2655
        return 0;
2656
    return env->eip + env->segs[R_CS].base;
2657
}
2658
#endif
2659

    
2660
#if defined(TARGET_PPC)
2661
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2662
{
2663
    CPUState *env = mon_get_cpu();
2664
    unsigned int u;
2665
    int i;
2666

    
2667
    if (!env)
2668
        return 0;
2669

    
2670
    u = 0;
2671
    for (i = 0; i < 8; i++)
2672
        u |= env->crf[i] << (32 - (4 * i));
2673

    
2674
    return u;
2675
}
2676

    
2677
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2678
{
2679
    CPUState *env = mon_get_cpu();
2680
    if (!env)
2681
        return 0;
2682
    return env->msr;
2683
}
2684

    
2685
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2686
{
2687
    CPUState *env = mon_get_cpu();
2688
    if (!env)
2689
        return 0;
2690
    return env->xer;
2691
}
2692

    
2693
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2694
{
2695
    CPUState *env = mon_get_cpu();
2696
    if (!env)
2697
        return 0;
2698
    return cpu_ppc_load_decr(env);
2699
}
2700

    
2701
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2702
{
2703
    CPUState *env = mon_get_cpu();
2704
    if (!env)
2705
        return 0;
2706
    return cpu_ppc_load_tbu(env);
2707
}
2708

    
2709
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2710
{
2711
    CPUState *env = mon_get_cpu();
2712
    if (!env)
2713
        return 0;
2714
    return cpu_ppc_load_tbl(env);
2715
}
2716
#endif
2717

    
2718
#if defined(TARGET_SPARC)
2719
#ifndef TARGET_SPARC64
2720
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2721
{
2722
    CPUState *env = mon_get_cpu();
2723
    if (!env)
2724
        return 0;
2725
    return GET_PSR(env);
2726
}
2727
#endif
2728

    
2729
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2730
{
2731
    CPUState *env = mon_get_cpu();
2732
    if (!env)
2733
        return 0;
2734
    return env->regwptr[val];
2735
}
2736
#endif
2737

    
2738
static const MonitorDef monitor_defs[] = {
2739
#ifdef TARGET_I386
2740

    
2741
#define SEG(name, seg) \
2742
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2743
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2744
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2745

    
2746
    { "eax", offsetof(CPUState, regs[0]) },
2747
    { "ecx", offsetof(CPUState, regs[1]) },
2748
    { "edx", offsetof(CPUState, regs[2]) },
2749
    { "ebx", offsetof(CPUState, regs[3]) },
2750
    { "esp|sp", offsetof(CPUState, regs[4]) },
2751
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2752
    { "esi", offsetof(CPUState, regs[6]) },
2753
    { "edi", offsetof(CPUState, regs[7]) },
2754
#ifdef TARGET_X86_64
2755
    { "r8", offsetof(CPUState, regs[8]) },
2756
    { "r9", offsetof(CPUState, regs[9]) },
2757
    { "r10", offsetof(CPUState, regs[10]) },
2758
    { "r11", offsetof(CPUState, regs[11]) },
2759
    { "r12", offsetof(CPUState, regs[12]) },
2760
    { "r13", offsetof(CPUState, regs[13]) },
2761
    { "r14", offsetof(CPUState, regs[14]) },
2762
    { "r15", offsetof(CPUState, regs[15]) },
2763
#endif
2764
    { "eflags", offsetof(CPUState, eflags) },
2765
    { "eip", offsetof(CPUState, eip) },
2766
    SEG("cs", R_CS)
2767
    SEG("ds", R_DS)
2768
    SEG("es", R_ES)
2769
    SEG("ss", R_SS)
2770
    SEG("fs", R_FS)
2771
    SEG("gs", R_GS)
2772
    { "pc", 0, monitor_get_pc, },
2773
#elif defined(TARGET_PPC)
2774
    /* General purpose registers */
2775
    { "r0", offsetof(CPUState, gpr[0]) },
2776
    { "r1", offsetof(CPUState, gpr[1]) },
2777
    { "r2", offsetof(CPUState, gpr[2]) },
2778
    { "r3", offsetof(CPUState, gpr[3]) },
2779
    { "r4", offsetof(CPUState, gpr[4]) },
2780
    { "r5", offsetof(CPUState, gpr[5]) },
2781
    { "r6", offsetof(CPUState, gpr[6]) },
2782
    { "r7", offsetof(CPUState, gpr[7]) },
2783
    { "r8", offsetof(CPUState, gpr[8]) },
2784
    { "r9", offsetof(CPUState, gpr[9]) },
2785
    { "r10", offsetof(CPUState, gpr[10]) },
2786
    { "r11", offsetof(CPUState, gpr[11]) },
2787
    { "r12", offsetof(CPUState, gpr[12]) },
2788
    { "r13", offsetof(CPUState, gpr[13]) },
2789
    { "r14", offsetof(CPUState, gpr[14]) },
2790
    { "r15", offsetof(CPUState, gpr[15]) },
2791
    { "r16", offsetof(CPUState, gpr[16]) },
2792
    { "r17", offsetof(CPUState, gpr[17]) },
2793
    { "r18", offsetof(CPUState, gpr[18]) },
2794
    { "r19", offsetof(CPUState, gpr[19]) },
2795
    { "r20", offsetof(CPUState, gpr[20]) },
2796
    { "r21", offsetof(CPUState, gpr[21]) },
2797
    { "r22", offsetof(CPUState, gpr[22]) },
2798
    { "r23", offsetof(CPUState, gpr[23]) },
2799
    { "r24", offsetof(CPUState, gpr[24]) },
2800
    { "r25", offsetof(CPUState, gpr[25]) },
2801
    { "r26", offsetof(CPUState, gpr[26]) },
2802
    { "r27", offsetof(CPUState, gpr[27]) },
2803
    { "r28", offsetof(CPUState, gpr[28]) },
2804
    { "r29", offsetof(CPUState, gpr[29]) },
2805
    { "r30", offsetof(CPUState, gpr[30]) },
2806
    { "r31", offsetof(CPUState, gpr[31]) },
2807
    /* Floating point registers */
2808
    { "f0", offsetof(CPUState, fpr[0]) },
2809
    { "f1", offsetof(CPUState, fpr[1]) },
2810
    { "f2", offsetof(CPUState, fpr[2]) },
2811
    { "f3", offsetof(CPUState, fpr[3]) },
2812
    { "f4", offsetof(CPUState, fpr[4]) },
2813
    { "f5", offsetof(CPUState, fpr[5]) },
2814
    { "f6", offsetof(CPUState, fpr[6]) },
2815
    { "f7", offsetof(CPUState, fpr[7]) },
2816
    { "f8", offsetof(CPUState, fpr[8]) },
2817
    { "f9", offsetof(CPUState, fpr[9]) },
2818
    { "f10", offsetof(CPUState, fpr[10]) },
2819
    { "f11", offsetof(CPUState, fpr[11]) },
2820
    { "f12", offsetof(CPUState, fpr[12]) },
2821
    { "f13", offsetof(CPUState, fpr[13]) },
2822
    { "f14", offsetof(CPUState, fpr[14]) },
2823
    { "f15", offsetof(CPUState, fpr[15]) },
2824
    { "f16", offsetof(CPUState, fpr[16]) },
2825
    { "f17", offsetof(CPUState, fpr[17]) },
2826
    { "f18", offsetof(CPUState, fpr[18]) },
2827
    { "f19", offsetof(CPUState, fpr[19]) },
2828
    { "f20", offsetof(CPUState, fpr[20]) },
2829
    { "f21", offsetof(CPUState, fpr[21]) },
2830
    { "f22", offsetof(CPUState, fpr[22]) },
2831
    { "f23", offsetof(CPUState, fpr[23]) },
2832
    { "f24", offsetof(CPUState, fpr[24]) },
2833
    { "f25", offsetof(CPUState, fpr[25]) },
2834
    { "f26", offsetof(CPUState, fpr[26]) },
2835
    { "f27", offsetof(CPUState, fpr[27]) },
2836
    { "f28", offsetof(CPUState, fpr[28]) },
2837
    { "f29", offsetof(CPUState, fpr[29]) },
2838
    { "f30", offsetof(CPUState, fpr[30]) },
2839
    { "f31", offsetof(CPUState, fpr[31]) },
2840
    { "fpscr", offsetof(CPUState, fpscr) },
2841
    /* Next instruction pointer */
2842
    { "nip|pc", offsetof(CPUState, nip) },
2843
    { "lr", offsetof(CPUState, lr) },
2844
    { "ctr", offsetof(CPUState, ctr) },
2845
    { "decr", 0, &monitor_get_decr, },
2846
    { "ccr", 0, &monitor_get_ccr, },
2847
    /* Machine state register */
2848
    { "msr", 0, &monitor_get_msr, },
2849
    { "xer", 0, &monitor_get_xer, },
2850
    { "tbu", 0, &monitor_get_tbu, },
2851
    { "tbl", 0, &monitor_get_tbl, },
2852
#if defined(TARGET_PPC64)
2853
    /* Address space register */
2854
    { "asr", offsetof(CPUState, asr) },
2855
#endif
2856
    /* Segment registers */
2857
    { "sdr1", offsetof(CPUState, sdr1) },
2858
    { "sr0", offsetof(CPUState, sr[0]) },
2859
    { "sr1", offsetof(CPUState, sr[1]) },
2860
    { "sr2", offsetof(CPUState, sr[2]) },
2861
    { "sr3", offsetof(CPUState, sr[3]) },
2862
    { "sr4", offsetof(CPUState, sr[4]) },
2863
    { "sr5", offsetof(CPUState, sr[5]) },
2864
    { "sr6", offsetof(CPUState, sr[6]) },
2865
    { "sr7", offsetof(CPUState, sr[7]) },
2866
    { "sr8", offsetof(CPUState, sr[8]) },
2867
    { "sr9", offsetof(CPUState, sr[9]) },
2868
    { "sr10", offsetof(CPUState, sr[10]) },
2869
    { "sr11", offsetof(CPUState, sr[11]) },
2870
    { "sr12", offsetof(CPUState, sr[12]) },
2871
    { "sr13", offsetof(CPUState, sr[13]) },
2872
    { "sr14", offsetof(CPUState, sr[14]) },
2873
    { "sr15", offsetof(CPUState, sr[15]) },
2874
    /* Too lazy to put BATs and SPRs ... */
2875
#elif defined(TARGET_SPARC)
2876
    { "g0", offsetof(CPUState, gregs[0]) },
2877
    { "g1", offsetof(CPUState, gregs[1]) },
2878
    { "g2", offsetof(CPUState, gregs[2]) },
2879
    { "g3", offsetof(CPUState, gregs[3]) },
2880
    { "g4", offsetof(CPUState, gregs[4]) },
2881
    { "g5", offsetof(CPUState, gregs[5]) },
2882
    { "g6", offsetof(CPUState, gregs[6]) },
2883
    { "g7", offsetof(CPUState, gregs[7]) },
2884
    { "o0", 0, monitor_get_reg },
2885
    { "o1", 1, monitor_get_reg },
2886
    { "o2", 2, monitor_get_reg },
2887
    { "o3", 3, monitor_get_reg },
2888
    { "o4", 4, monitor_get_reg },
2889
    { "o5", 5, monitor_get_reg },
2890
    { "o6", 6, monitor_get_reg },
2891
    { "o7", 7, monitor_get_reg },
2892
    { "l0", 8, monitor_get_reg },
2893
    { "l1", 9, monitor_get_reg },
2894
    { "l2", 10, monitor_get_reg },
2895
    { "l3", 11, monitor_get_reg },
2896
    { "l4", 12, monitor_get_reg },
2897
    { "l5", 13, monitor_get_reg },
2898
    { "l6", 14, monitor_get_reg },
2899
    { "l7", 15, monitor_get_reg },
2900
    { "i0", 16, monitor_get_reg },
2901
    { "i1", 17, monitor_get_reg },
2902
    { "i2", 18, monitor_get_reg },
2903
    { "i3", 19, monitor_get_reg },
2904
    { "i4", 20, monitor_get_reg },
2905
    { "i5", 21, monitor_get_reg },
2906
    { "i6", 22, monitor_get_reg },
2907
    { "i7", 23, monitor_get_reg },
2908
    { "pc", offsetof(CPUState, pc) },
2909
    { "npc", offsetof(CPUState, npc) },
2910
    { "y", offsetof(CPUState, y) },
2911
#ifndef TARGET_SPARC64
2912
    { "psr", 0, &monitor_get_psr, },
2913
    { "wim", offsetof(CPUState, wim) },
2914
#endif
2915
    { "tbr", offsetof(CPUState, tbr) },
2916
    { "fsr", offsetof(CPUState, fsr) },
2917
    { "f0", offsetof(CPUState, fpr[0]) },
2918
    { "f1", offsetof(CPUState, fpr[1]) },
2919
    { "f2", offsetof(CPUState, fpr[2]) },
2920
    { "f3", offsetof(CPUState, fpr[3]) },
2921
    { "f4", offsetof(CPUState, fpr[4]) },
2922
    { "f5", offsetof(CPUState, fpr[5]) },
2923
    { "f6", offsetof(CPUState, fpr[6]) },
2924
    { "f7", offsetof(CPUState, fpr[7]) },
2925
    { "f8", offsetof(CPUState, fpr[8]) },
2926
    { "f9", offsetof(CPUState, fpr[9]) },
2927
    { "f10", offsetof(CPUState, fpr[10]) },
2928
    { "f11", offsetof(CPUState, fpr[11]) },
2929
    { "f12", offsetof(CPUState, fpr[12]) },
2930
    { "f13", offsetof(CPUState, fpr[13]) },
2931
    { "f14", offsetof(CPUState, fpr[14]) },
2932
    { "f15", offsetof(CPUState, fpr[15]) },
2933
    { "f16", offsetof(CPUState, fpr[16]) },
2934
    { "f17", offsetof(CPUState, fpr[17]) },
2935
    { "f18", offsetof(CPUState, fpr[18]) },
2936
    { "f19", offsetof(CPUState, fpr[19]) },
2937
    { "f20", offsetof(CPUState, fpr[20]) },
2938
    { "f21", offsetof(CPUState, fpr[21]) },
2939
    { "f22", offsetof(CPUState, fpr[22]) },
2940
    { "f23", offsetof(CPUState, fpr[23]) },
2941
    { "f24", offsetof(CPUState, fpr[24]) },
2942
    { "f25", offsetof(CPUState, fpr[25]) },
2943
    { "f26", offsetof(CPUState, fpr[26]) },
2944
    { "f27", offsetof(CPUState, fpr[27]) },
2945
    { "f28", offsetof(CPUState, fpr[28]) },
2946
    { "f29", offsetof(CPUState, fpr[29]) },
2947
    { "f30", offsetof(CPUState, fpr[30]) },
2948
    { "f31", offsetof(CPUState, fpr[31]) },
2949
#ifdef TARGET_SPARC64
2950
    { "f32", offsetof(CPUState, fpr[32]) },
2951
    { "f34", offsetof(CPUState, fpr[34]) },
2952
    { "f36", offsetof(CPUState, fpr[36]) },
2953
    { "f38", offsetof(CPUState, fpr[38]) },
2954
    { "f40", offsetof(CPUState, fpr[40]) },
2955
    { "f42", offsetof(CPUState, fpr[42]) },
2956
    { "f44", offsetof(CPUState, fpr[44]) },
2957
    { "f46", offsetof(CPUState, fpr[46]) },
2958
    { "f48", offsetof(CPUState, fpr[48]) },
2959
    { "f50", offsetof(CPUState, fpr[50]) },
2960
    { "f52", offsetof(CPUState, fpr[52]) },
2961
    { "f54", offsetof(CPUState, fpr[54]) },
2962
    { "f56", offsetof(CPUState, fpr[56]) },
2963
    { "f58", offsetof(CPUState, fpr[58]) },
2964
    { "f60", offsetof(CPUState, fpr[60]) },
2965
    { "f62", offsetof(CPUState, fpr[62]) },
2966
    { "asi", offsetof(CPUState, asi) },
2967
    { "pstate", offsetof(CPUState, pstate) },
2968
    { "cansave", offsetof(CPUState, cansave) },
2969
    { "canrestore", offsetof(CPUState, canrestore) },
2970
    { "otherwin", offsetof(CPUState, otherwin) },
2971
    { "wstate", offsetof(CPUState, wstate) },
2972
    { "cleanwin", offsetof(CPUState, cleanwin) },
2973
    { "fprs", offsetof(CPUState, fprs) },
2974
#endif
2975
#endif
2976
    { NULL },
2977
};
2978

    
2979
static void expr_error(Monitor *mon, const char *msg)
2980
{
2981
    monitor_printf(mon, "%s\n", msg);
2982
    longjmp(expr_env, 1);
2983
}
2984

    
2985
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2986
static int get_monitor_def(target_long *pval, const char *name)
2987
{
2988
    const MonitorDef *md;
2989
    void *ptr;
2990

    
2991
    for(md = monitor_defs; md->name != NULL; md++) {
2992
        if (compare_cmd(name, md->name)) {
2993
            if (md->get_value) {
2994
                *pval = md->get_value(md, md->offset);
2995
            } else {
2996
                CPUState *env = mon_get_cpu();
2997
                if (!env)
2998
                    return -2;
2999
                ptr = (uint8_t *)env + md->offset;
3000
                switch(md->type) {
3001
                case MD_I32:
3002
                    *pval = *(int32_t *)ptr;
3003
                    break;
3004
                case MD_TLONG:
3005
                    *pval = *(target_long *)ptr;
3006
                    break;
3007
                default:
3008
                    *pval = 0;
3009
                    break;
3010
                }
3011
            }
3012
            return 0;
3013
        }
3014
    }
3015
    return -1;
3016
}
3017

    
3018
static void next(void)
3019
{
3020
    if (*pch != '\0') {
3021
        pch++;
3022
        while (qemu_isspace(*pch))
3023
            pch++;
3024
    }
3025
}
3026

    
3027
static int64_t expr_sum(Monitor *mon);
3028

    
3029
static int64_t expr_unary(Monitor *mon)
3030
{
3031
    int64_t n;
3032
    char *p;
3033
    int ret;
3034

    
3035
    switch(*pch) {
3036
    case '+':
3037
        next();
3038
        n = expr_unary(mon);
3039
        break;
3040
    case '-':
3041
        next();
3042
        n = -expr_unary(mon);
3043
        break;
3044
    case '~':
3045
        next();
3046
        n = ~expr_unary(mon);
3047
        break;
3048
    case '(':
3049
        next();
3050
        n = expr_sum(mon);
3051
        if (*pch != ')') {
3052
            expr_error(mon, "')' expected");
3053
        }
3054
        next();
3055
        break;
3056
    case '\'':
3057
        pch++;
3058
        if (*pch == '\0')
3059
            expr_error(mon, "character constant expected");
3060
        n = *pch;
3061
        pch++;
3062
        if (*pch != '\'')
3063
            expr_error(mon, "missing terminating \' character");
3064
        next();
3065
        break;
3066
    case '$':
3067
        {
3068
            char buf[128], *q;
3069
            target_long reg=0;
3070

    
3071
            pch++;
3072
            q = buf;
3073
            while ((*pch >= 'a' && *pch <= 'z') ||
3074
                   (*pch >= 'A' && *pch <= 'Z') ||
3075
                   (*pch >= '0' && *pch <= '9') ||
3076
                   *pch == '_' || *pch == '.') {
3077
                if ((q - buf) < sizeof(buf) - 1)
3078
                    *q++ = *pch;
3079
                pch++;
3080
            }
3081
            while (qemu_isspace(*pch))
3082
                pch++;
3083
            *q = 0;
3084
            ret = get_monitor_def(&reg, buf);
3085
            if (ret == -1)
3086
                expr_error(mon, "unknown register");
3087
            else if (ret == -2)
3088
                expr_error(mon, "no cpu defined");
3089
            n = reg;
3090
        }
3091
        break;
3092
    case '\0':
3093
        expr_error(mon, "unexpected end of expression");
3094
        n = 0;
3095
        break;
3096
    default:
3097
#if TARGET_PHYS_ADDR_BITS > 32
3098
        n = strtoull(pch, &p, 0);
3099
#else
3100
        n = strtoul(pch, &p, 0);
3101
#endif
3102
        if (pch == p) {
3103
            expr_error(mon, "invalid char in expression");
3104
        }
3105
        pch = p;
3106
        while (qemu_isspace(*pch))
3107
            pch++;
3108
        break;
3109
    }
3110
    return n;
3111
}
3112

    
3113

    
3114
static int64_t expr_prod(Monitor *mon)
3115
{
3116
    int64_t val, val2;
3117
    int op;
3118

    
3119
    val = expr_unary(mon);
3120
    for(;;) {
3121
        op = *pch;
3122
        if (op != '*' && op != '/' && op != '%')
3123
            break;
3124
        next();
3125
        val2 = expr_unary(mon);
3126
        switch(op) {
3127
        default:
3128
        case '*':
3129
            val *= val2;
3130
            break;
3131
        case '/':
3132
        case '%':
3133
            if (val2 == 0)
3134
                expr_error(mon, "division by zero");
3135
            if (op == '/')
3136
                val /= val2;
3137
            else
3138
                val %= val2;
3139
            break;
3140
        }
3141
    }
3142
    return val;
3143
}
3144

    
3145
static int64_t expr_logic(Monitor *mon)
3146
{
3147
    int64_t val, val2;
3148
    int op;
3149

    
3150
    val = expr_prod(mon);
3151
    for(;;) {
3152
        op = *pch;
3153
        if (op != '&' && op != '|' && op != '^')
3154
            break;
3155
        next();
3156
        val2 = expr_prod(mon);
3157
        switch(op) {
3158
        default:
3159
        case '&':
3160
            val &= val2;
3161
            break;
3162
        case '|':
3163
            val |= val2;
3164
            break;
3165
        case '^':
3166
            val ^= val2;
3167
            break;
3168
        }
3169
    }
3170
    return val;
3171
}
3172

    
3173
static int64_t expr_sum(Monitor *mon)
3174
{
3175
    int64_t val, val2;
3176
    int op;
3177

    
3178
    val = expr_logic(mon);
3179
    for(;;) {
3180
        op = *pch;
3181
        if (op != '+' && op != '-')
3182
            break;
3183
        next();
3184
        val2 = expr_logic(mon);
3185
        if (op == '+')
3186
            val += val2;
3187
        else
3188
            val -= val2;
3189
    }
3190
    return val;
3191
}
3192

    
3193
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3194
{
3195
    pch = *pp;
3196
    if (setjmp(expr_env)) {
3197
        *pp = pch;
3198
        return -1;
3199
    }
3200
    while (qemu_isspace(*pch))
3201
        pch++;
3202
    *pval = expr_sum(mon);
3203
    *pp = pch;
3204
    return 0;
3205
}
3206

    
3207
static int get_str(char *buf, int buf_size, const char **pp)
3208
{
3209
    const char *p;
3210
    char *q;
3211
    int c;
3212

    
3213
    q = buf;
3214
    p = *pp;
3215
    while (qemu_isspace(*p))
3216
        p++;
3217
    if (*p == '\0') {
3218
    fail:
3219
        *q = '\0';
3220
        *pp = p;
3221
        return -1;
3222
    }
3223
    if (*p == '\"') {
3224
        p++;
3225
        while (*p != '\0' && *p != '\"') {
3226
            if (*p == '\\') {
3227
                p++;
3228
                c = *p++;
3229
                switch(c) {
3230
                case 'n':
3231
                    c = '\n';
3232
                    break;
3233
                case 'r':
3234
                    c = '\r';
3235
                    break;
3236
                case '\\':
3237
                case '\'':
3238
                case '\"':
3239
                    break;
3240
                default:
3241
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3242
                    goto fail;
3243
                }
3244
                if ((q - buf) < buf_size - 1) {
3245
                    *q++ = c;
3246
                }
3247
            } else {
3248
                if ((q - buf) < buf_size - 1) {
3249
                    *q++ = *p;
3250
                }
3251
                p++;
3252
            }
3253
        }
3254
        if (*p != '\"') {
3255
            qemu_printf("unterminated string\n");
3256
            goto fail;
3257
        }
3258
        p++;
3259
    } else {
3260
        while (*p != '\0' && !qemu_isspace(*p)) {
3261
            if ((q - buf) < buf_size - 1) {
3262
                *q++ = *p;
3263
            }
3264
            p++;
3265
        }
3266
    }
3267
    *q = '\0';
3268
    *pp = p;
3269
    return 0;
3270
}
3271

    
3272
/*
3273
 * Store the command-name in cmdname, and return a pointer to
3274
 * the remaining of the command string.
3275
 */
3276
static const char *get_command_name(const char *cmdline,
3277
                                    char *cmdname, size_t nlen)
3278
{
3279
    size_t len;
3280
    const char *p, *pstart;
3281

    
3282
    p = cmdline;
3283
    while (qemu_isspace(*p))
3284
        p++;
3285
    if (*p == '\0')
3286
        return NULL;
3287
    pstart = p;
3288
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3289
        p++;
3290
    len = p - pstart;
3291
    if (len > nlen - 1)
3292
        len = nlen - 1;
3293
    memcpy(cmdname, pstart, len);
3294
    cmdname[len] = '\0';
3295
    return p;
3296
}
3297

    
3298
/**
3299
 * Read key of 'type' into 'key' and return the current
3300
 * 'type' pointer.
3301
 */
3302
static char *key_get_info(const char *type, char **key)
3303
{
3304
    size_t len;
3305
    char *p, *str;
3306

    
3307
    if (*type == ',')
3308
        type++;
3309

    
3310
    p = strchr(type, ':');
3311
    if (!p) {
3312
        *key = NULL;
3313
        return NULL;
3314
    }
3315
    len = p - type;
3316

    
3317
    str = qemu_malloc(len + 1);
3318
    memcpy(str, type, len);
3319
    str[len] = '\0';
3320

    
3321
    *key = str;
3322
    return ++p;
3323
}
3324

    
3325
static int default_fmt_format = 'x';
3326
static int default_fmt_size = 4;
3327

    
3328
#define MAX_ARGS 16
3329

    
3330
static int is_valid_option(const char *c, const char *typestr)
3331
{
3332
    char option[3];
3333
  
3334
    option[0] = '-';
3335
    option[1] = *c;
3336
    option[2] = '\0';
3337
  
3338
    typestr = strstr(typestr, option);
3339
    return (typestr != NULL);
3340
}
3341

    
3342
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3343
{
3344
    const mon_cmd_t *cmd;
3345

    
3346
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3347
        if (compare_cmd(cmdname, cmd->name)) {
3348
            return cmd;
3349
        }
3350
    }
3351

    
3352
    return NULL;
3353
}
3354

    
3355
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3356
                                              const char *cmdline,
3357
                                              QDict *qdict)
3358
{
3359
    const char *p, *typestr;
3360
    int c;
3361
    const mon_cmd_t *cmd;
3362
    char cmdname[256];
3363
    char buf[1024];
3364
    char *key;
3365

    
3366
#ifdef DEBUG
3367
    monitor_printf(mon, "command='%s'\n", cmdline);
3368
#endif
3369

    
3370
    /* extract the command name */
3371
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3372
    if (!p)
3373
        return NULL;
3374

    
3375
    cmd = monitor_find_command(cmdname);
3376
    if (!cmd) {
3377
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3378
        return NULL;
3379
    }
3380

    
3381
    /* parse the parameters */
3382
    typestr = cmd->args_type;
3383
    for(;;) {
3384
        typestr = key_get_info(typestr, &key);
3385
        if (!typestr)
3386
            break;
3387
        c = *typestr;
3388
        typestr++;
3389
        switch(c) {
3390
        case 'F':
3391
        case 'B':
3392
        case 's':
3393
            {
3394
                int ret;
3395

    
3396
                while (qemu_isspace(*p))
3397
                    p++;
3398
                if (*typestr == '?') {
3399
                    typestr++;
3400
                    if (*p == '\0') {
3401
                        /* no optional string: NULL argument */
3402
                        break;
3403
                    }
3404
                }
3405
                ret = get_str(buf, sizeof(buf), &p);
3406
                if (ret < 0) {
3407
                    switch(c) {
3408
                    case 'F':
3409
                        monitor_printf(mon, "%s: filename expected\n",
3410
                                       cmdname);
3411
                        break;
3412
                    case 'B':
3413
                        monitor_printf(mon, "%s: block device name expected\n",
3414
                                       cmdname);
3415
                        break;
3416
                    default:
3417
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3418
                        break;
3419
                    }
3420
                    goto fail;
3421
                }
3422
                qdict_put(qdict, key, qstring_from_str(buf));
3423
            }
3424
            break;
3425
        case '/':
3426
            {
3427
                int count, format, size;
3428

    
3429
                while (qemu_isspace(*p))
3430
                    p++;
3431
                if (*p == '/') {
3432
                    /* format found */
3433
                    p++;
3434
                    count = 1;
3435
                    if (qemu_isdigit(*p)) {
3436
                        count = 0;
3437
                        while (qemu_isdigit(*p)) {
3438
                            count = count * 10 + (*p - '0');
3439
                            p++;
3440
                        }
3441
                    }
3442
                    size = -1;
3443
                    format = -1;
3444
                    for(;;) {
3445
                        switch(*p) {
3446
                        case 'o':
3447
                        case 'd':
3448
                        case 'u':
3449
                        case 'x':
3450
                        case 'i':
3451
                        case 'c':
3452
                            format = *p++;
3453
                            break;
3454
                        case 'b':
3455
                            size = 1;
3456
                            p++;
3457
                            break;
3458
                        case 'h':
3459
                            size = 2;
3460
                            p++;
3461
                            break;
3462
                        case 'w':
3463
                            size = 4;
3464
                            p++;
3465
                            break;
3466
                        case 'g':
3467
                        case 'L':
3468
                            size = 8;
3469
                            p++;
3470
                            break;
3471
                        default:
3472
                            goto next;
3473
                        }
3474
                    }
3475
                next:
3476
                    if (*p != '\0' && !qemu_isspace(*p)) {
3477
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3478
                                       *p);
3479
                        goto fail;
3480
                    }
3481
                    if (format < 0)
3482
                        format = default_fmt_format;
3483
                    if (format != 'i') {
3484
                        /* for 'i', not specifying a size gives -1 as size */
3485
                        if (size < 0)
3486
                            size = default_fmt_size;
3487
                        default_fmt_size = size;
3488
                    }
3489
                    default_fmt_format = format;
3490
                } else {
3491
                    count = 1;
3492
                    format = default_fmt_format;
3493
                    if (format != 'i') {
3494
                        size = default_fmt_size;
3495
                    } else {
3496
                        size = -1;
3497
                    }
3498
                }
3499
                qdict_put(qdict, "count", qint_from_int(count));
3500
                qdict_put(qdict, "format", qint_from_int(format));
3501
                qdict_put(qdict, "size", qint_from_int(size));
3502
            }
3503
            break;
3504
        case 'i':
3505
        case 'l':
3506
        case 'M':
3507
            {
3508
                int64_t val;
3509

    
3510
                while (qemu_isspace(*p))
3511
                    p++;
3512
                if (*typestr == '?' || *typestr == '.') {
3513
                    if (*typestr == '?') {
3514
                        if (*p == '\0') {
3515
                            typestr++;
3516
                            break;
3517
                        }
3518
                    } else {
3519
                        if (*p == '.') {
3520
                            p++;
3521
                            while (qemu_isspace(*p))
3522
                                p++;
3523
                        } else {
3524
                            typestr++;
3525
                            break;
3526
                        }
3527
                    }
3528
                    typestr++;
3529
                }
3530
                if (get_expr(mon, &val, &p))
3531
                    goto fail;
3532
                /* Check if 'i' is greater than 32-bit */
3533
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3534
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3535
                    monitor_printf(mon, "integer is for 32-bit values\n");
3536
                    goto fail;
3537
                } else if (c == 'M') {
3538
                    val <<= 20;
3539
                }
3540
                qdict_put(qdict, key, qint_from_int(val));
3541
            }
3542
            break;
3543
        case '-':
3544
            {
3545
                const char *tmp = p;
3546
                int has_option, skip_key = 0;
3547
                /* option */
3548

    
3549
                c = *typestr++;
3550
                if (c == '\0')
3551
                    goto bad_type;
3552
                while (qemu_isspace(*p))
3553
                    p++;
3554
                has_option = 0;
3555
                if (*p == '-') {
3556
                    p++;
3557
                    if(c != *p) {
3558
                        if(!is_valid_option(p, typestr)) {
3559
                  
3560
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3561
                                           cmdname, *p);
3562
                            goto fail;
3563
                        } else {
3564
                            skip_key = 1;
3565
                        }
3566
                    }
3567
                    if(skip_key) {
3568
                        p = tmp;
3569
                    } else {
3570
                        p++;
3571
                        has_option = 1;
3572
                    }
3573
                }
3574
                qdict_put(qdict, key, qint_from_int(has_option));
3575
            }
3576
            break;
3577
        default:
3578
        bad_type:
3579
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3580
            goto fail;
3581
        }
3582
        qemu_free(key);
3583
        key = NULL;
3584
    }
3585
    /* check that all arguments were parsed */
3586
    while (qemu_isspace(*p))
3587
        p++;
3588
    if (*p != '\0') {
3589
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3590
                       cmdname);
3591
        goto fail;
3592
    }
3593

    
3594
    return cmd;
3595

    
3596
fail:
3597
    qemu_free(key);
3598
    return NULL;
3599
}
3600

    
3601
static void monitor_print_error(Monitor *mon)
3602
{
3603
    qerror_print(mon->error);
3604
    QDECREF(mon->error);
3605
    mon->error = NULL;
3606
}
3607

    
3608
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3609
                                 const QDict *params)
3610
{
3611
    QObject *data = NULL;
3612

    
3613
    cmd->mhandler.cmd_new(mon, params, &data);
3614

    
3615
    if (monitor_ctrl_mode(mon)) {
3616
        /* Monitor Protocol */
3617
        monitor_protocol_emitter(mon, data);
3618
    } else {
3619
        /* User Protocol */
3620
         if (data)
3621
            cmd->user_print(mon, data);
3622
    }
3623

    
3624
    qobject_decref(data);
3625
}
3626

    
3627
static void handle_user_command(Monitor *mon, const char *cmdline)
3628
{
3629
    QDict *qdict;
3630
    const mon_cmd_t *cmd;
3631

    
3632
    qdict = qdict_new();
3633

    
3634
    cmd = monitor_parse_command(mon, cmdline, qdict);
3635
    if (!cmd)
3636
        goto out;
3637

    
3638
    qemu_errors_to_mon(mon);
3639

    
3640
    if (monitor_handler_ported(cmd)) {
3641
        monitor_call_handler(mon, cmd, qdict);
3642
    } else {
3643
        cmd->mhandler.cmd(mon, qdict);
3644
    }
3645

    
3646
    if (monitor_has_error(mon))
3647
        monitor_print_error(mon);
3648

    
3649
    qemu_errors_to_previous();
3650

    
3651
out:
3652
    QDECREF(qdict);
3653
}
3654

    
3655
static void cmd_completion(const char *name, const char *list)
3656
{
3657
    const char *p, *pstart;
3658
    char cmd[128];
3659
    int len;
3660

    
3661
    p = list;
3662
    for(;;) {
3663
        pstart = p;
3664
        p = strchr(p, '|');
3665
        if (!p)
3666
            p = pstart + strlen(pstart);
3667
        len = p - pstart;
3668
        if (len > sizeof(cmd) - 2)
3669
            len = sizeof(cmd) - 2;
3670
        memcpy(cmd, pstart, len);
3671
        cmd[len] = '\0';
3672
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3673
            readline_add_completion(cur_mon->rs, cmd);
3674
        }
3675
        if (*p == '\0')
3676
            break;
3677
        p++;
3678
    }
3679
}
3680

    
3681
static void file_completion(const char *input)
3682
{
3683
    DIR *ffs;
3684
    struct dirent *d;
3685
    char path[1024];
3686
    char file[1024], file_prefix[1024];
3687
    int input_path_len;
3688
    const char *p;
3689

    
3690
    p = strrchr(input, '/');
3691
    if (!p) {
3692
        input_path_len = 0;
3693
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3694
        pstrcpy(path, sizeof(path), ".");
3695
    } else {
3696
        input_path_len = p - input + 1;
3697
        memcpy(path, input, input_path_len);
3698
        if (input_path_len > sizeof(path) - 1)
3699
            input_path_len = sizeof(path) - 1;
3700
        path[input_path_len] = '\0';
3701
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3702
    }
3703
#ifdef DEBUG_COMPLETION
3704
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3705
                   input, path, file_prefix);
3706
#endif
3707
    ffs = opendir(path);
3708
    if (!ffs)
3709
        return;
3710
    for(;;) {
3711
        struct stat sb;
3712
        d = readdir(ffs);
3713
        if (!d)
3714
            break;
3715
        if (strstart(d->d_name, file_prefix, NULL)) {
3716
            memcpy(file, input, input_path_len);
3717
            if (input_path_len < sizeof(file))
3718
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3719
                        d->d_name);
3720
            /* stat the file to find out if it's a directory.
3721
             * In that case add a slash to speed up typing long paths
3722
             */
3723
            stat(file, &sb);
3724
            if(S_ISDIR(sb.st_mode))
3725
                pstrcat(file, sizeof(file), "/");
3726
            readline_add_completion(cur_mon->rs, file);
3727
        }
3728
    }
3729
    closedir(ffs);
3730
}
3731

    
3732
static void block_completion_it(void *opaque, BlockDriverState *bs)
3733
{
3734
    const char *name = bdrv_get_device_name(bs);
3735
    const char *input = opaque;
3736

    
3737
    if (input[0] == '\0' ||
3738
        !strncmp(name, (char *)input, strlen(input))) {
3739
        readline_add_completion(cur_mon->rs, name);
3740
    }
3741
}
3742

    
3743
/* NOTE: this parser is an approximate form of the real command parser */
3744
static void parse_cmdline(const char *cmdline,
3745
                         int *pnb_args, char **args)
3746
{
3747
    const char *p;
3748
    int nb_args, ret;
3749
    char buf[1024];
3750

    
3751
    p = cmdline;
3752
    nb_args = 0;
3753
    for(;;) {
3754
        while (qemu_isspace(*p))
3755
            p++;
3756
        if (*p == '\0')
3757
            break;
3758
        if (nb_args >= MAX_ARGS)
3759
            break;
3760
        ret = get_str(buf, sizeof(buf), &p);
3761
        args[nb_args] = qemu_strdup(buf);
3762
        nb_args++;
3763
        if (ret < 0)
3764
            break;
3765
    }
3766
    *pnb_args = nb_args;
3767
}
3768

    
3769
static const char *next_arg_type(const char *typestr)
3770
{
3771
    const char *p = strchr(typestr, ':');
3772
    return (p != NULL ? ++p : typestr);
3773
}
3774

    
3775
static void monitor_find_completion(const char *cmdline)
3776
{
3777
    const char *cmdname;
3778
    char *args[MAX_ARGS];
3779
    int nb_args, i, len;
3780
    const char *ptype, *str;
3781
    const mon_cmd_t *cmd;
3782
    const KeyDef *key;
3783

    
3784
    parse_cmdline(cmdline, &nb_args, args);
3785
#ifdef DEBUG_COMPLETION
3786
    for(i = 0; i < nb_args; i++) {
3787
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3788
    }
3789
#endif
3790

    
3791
    /* if the line ends with a space, it means we want to complete the
3792
       next arg */
3793
    len = strlen(cmdline);
3794
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3795
        if (nb_args >= MAX_ARGS)
3796
            return;
3797
        args[nb_args++] = qemu_strdup("");
3798
    }
3799
    if (nb_args <= 1) {
3800
        /* command completion */
3801
        if (nb_args == 0)
3802
            cmdname = "";
3803
        else
3804
            cmdname = args[0];
3805
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3806
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3807
            cmd_completion(cmdname, cmd->name);
3808
        }
3809
    } else {
3810
        /* find the command */
3811
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3812
            if (compare_cmd(args[0], cmd->name))
3813
                goto found;
3814
        }
3815
        return;
3816
    found:
3817
        ptype = next_arg_type(cmd->args_type);
3818
        for(i = 0; i < nb_args - 2; i++) {
3819
            if (*ptype != '\0') {
3820
                ptype = next_arg_type(ptype);
3821
                while (*ptype == '?')
3822
                    ptype = next_arg_type(ptype);
3823
            }
3824
        }
3825
        str = args[nb_args - 1];
3826
        if (*ptype == '-' && ptype[1] != '\0') {
3827
            ptype += 2;
3828
        }
3829
        switch(*ptype) {
3830
        case 'F':
3831
            /* file completion */
3832
            readline_set_completion_index(cur_mon->rs, strlen(str));
3833
            file_completion(str);
3834
            break;
3835
        case 'B':
3836
            /* block device name completion */
3837
            readline_set_completion_index(cur_mon->rs, strlen(str));
3838
            bdrv_iterate(block_completion_it, (void *)str);
3839
            break;
3840
        case 's':
3841
            /* XXX: more generic ? */
3842
            if (!strcmp(cmd->name, "info")) {
3843
                readline_set_completion_index(cur_mon->rs, strlen(str));
3844
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3845
                    cmd_completion(str, cmd->name);
3846
                }
3847
            } else if (!strcmp(cmd->name, "sendkey")) {
3848
                char *sep = strrchr(str, '-');
3849
                if (sep)
3850
                    str = sep + 1;
3851
                readline_set_completion_index(cur_mon->rs, strlen(str));
3852
                for(key = key_defs; key->name != NULL; key++) {
3853
                    cmd_completion(str, key->name);
3854
                }
3855
            } else if (!strcmp(cmd->name, "help|?")) {
3856
                readline_set_completion_index(cur_mon->rs, strlen(str));
3857
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3858
                    cmd_completion(str, cmd->name);
3859
                }
3860
            }
3861
            break;
3862
        default:
3863
            break;
3864
        }
3865
    }
3866
    for(i = 0; i < nb_args; i++)
3867
        qemu_free(args[i]);
3868
}
3869

    
3870
static int monitor_can_read(void *opaque)
3871
{
3872
    Monitor *mon = opaque;
3873

    
3874
    return (mon->suspend_cnt == 0) ? 1 : 0;
3875
}
3876

    
3877
typedef struct CmdArgs {
3878
    QString *name;
3879
    int type;
3880
    int flag;
3881
    int optional;
3882
} CmdArgs;
3883

    
3884
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3885
{
3886
    if (!cmd_args->optional) {
3887
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3888
        return -1;
3889
    }
3890

    
3891
    if (cmd_args->type == '-') {
3892
        /* handlers expect a value, they need to be changed */
3893
        qdict_put(args, name, qint_from_int(0));
3894
    }
3895

    
3896
    return 0;
3897
}
3898

    
3899
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3900
{
3901
    QObject *value;
3902
    const char *name;
3903

    
3904
    name = qstring_get_str(cmd_args->name);
3905

    
3906
    if (!args) {
3907
        return check_opt(cmd_args, name, args);
3908
    }
3909

    
3910
    value = qdict_get(args, name);
3911
    if (!value) {
3912
        return check_opt(cmd_args, name, args);
3913
    }
3914

    
3915
    switch (cmd_args->type) {
3916
        case 'F':
3917
        case 'B':
3918
        case 's':
3919
            if (qobject_type(value) != QTYPE_QSTRING) {
3920
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3921
                return -1;
3922
            }
3923
            break;
3924
        case '/': {
3925
            int i;
3926
            const char *keys[] = { "count", "format", "size", NULL };
3927

    
3928
            for (i = 0; keys[i]; i++) {
3929
                QObject *obj = qdict_get(args, keys[i]);
3930
                if (!obj) {
3931
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3932
                    return -1;
3933
                }
3934
                if (qobject_type(obj) != QTYPE_QINT) {
3935
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3936
                    return -1;
3937
                }
3938
            }
3939
            break;
3940
        }
3941
        case 'i':
3942
        case 'l':
3943
        case 'M':
3944
            if (qobject_type(value) != QTYPE_QINT) {
3945
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3946
                return -1;
3947
            }
3948
            break;
3949
        case '-':
3950
            if (qobject_type(value) != QTYPE_QINT &&
3951
                qobject_type(value) != QTYPE_QBOOL) {
3952
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3953
                return -1;
3954
            }
3955
            if (qobject_type(value) == QTYPE_QBOOL) {
3956
                /* handlers expect a QInt, they need to be changed */
3957
                qdict_put(args, name,
3958
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3959
            }
3960
            break;
3961
        default:
3962
            /* impossible */
3963
            abort();
3964
    }
3965

    
3966
    return 0;
3967
}
3968

    
3969
static void cmd_args_init(CmdArgs *cmd_args)
3970
{
3971
    cmd_args->name = qstring_new();
3972
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3973
}
3974

    
3975
/*
3976
 * This is not trivial, we have to parse Monitor command's argument
3977
 * type syntax to be able to check the arguments provided by clients.
3978
 *
3979
 * In the near future we will be using an array for that and will be
3980
 * able to drop all this parsing...
3981
 */
3982
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3983
{
3984
    int err;
3985
    const char *p;
3986
    CmdArgs cmd_args;
3987

    
3988
    if (cmd->args_type == NULL) {
3989
        return (qdict_size(args) == 0 ? 0 : -1);
3990
    }
3991

    
3992
    err = 0;
3993
    cmd_args_init(&cmd_args);
3994

    
3995
    for (p = cmd->args_type;; p++) {
3996
        if (*p == ':') {
3997
            cmd_args.type = *++p;
3998
            p++;
3999
            if (cmd_args.type == '-') {
4000
                cmd_args.flag = *p++;
4001
                cmd_args.optional = 1;
4002
            } else if (*p == '?') {
4003
                cmd_args.optional = 1;
4004
                p++;
4005
            }
4006

    
4007
            assert(*p == ',' || *p == '\0');
4008
            err = check_arg(&cmd_args, args);
4009

    
4010
            QDECREF(cmd_args.name);
4011
            cmd_args_init(&cmd_args);
4012

    
4013
            if (err < 0) {
4014
                break;
4015
            }
4016
        } else {
4017
            qstring_append_chr(cmd_args.name, *p);
4018
        }
4019

    
4020
        if (*p == '\0') {
4021
            break;
4022
        }
4023
    }
4024

    
4025
    QDECREF(cmd_args.name);
4026
    return err;
4027
}
4028

    
4029
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4030
{
4031
    int err;
4032
    QObject *obj;
4033
    QDict *input, *args;
4034
    const mon_cmd_t *cmd;
4035
    Monitor *mon = cur_mon;
4036
    const char *cmd_name, *info_item;
4037

    
4038
    args = NULL;
4039
    qemu_errors_to_mon(mon);
4040

    
4041
    obj = json_parser_parse(tokens, NULL);
4042
    if (!obj) {
4043
        // FIXME: should be triggered in json_parser_parse()
4044
        qemu_error_new(QERR_JSON_PARSING);
4045
        goto err_out;
4046
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4047
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4048
        qobject_decref(obj);
4049
        goto err_out;
4050
    }
4051

    
4052
    input = qobject_to_qdict(obj);
4053

    
4054
    mon->mc->id = qdict_get(input, "id");
4055
    qobject_incref(mon->mc->id);
4056

    
4057
    obj = qdict_get(input, "execute");
4058
    if (!obj) {
4059
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4060
        goto err_input;
4061
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4062
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4063
        goto err_input;
4064
    }
4065

    
4066
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4067

    
4068
    /*
4069
     * XXX: We need this special case until we get info handlers
4070
     * converted into 'query-' commands
4071
     */
4072
    if (compare_cmd(cmd_name, "info")) {
4073
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4074
        goto err_input;
4075
    } else if (strstart(cmd_name, "query-", &info_item)) {
4076
        cmd = monitor_find_command("info");
4077
        qdict_put_obj(input, "arguments",
4078
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4079
    } else {
4080
        cmd = monitor_find_command(cmd_name);
4081
        if (!cmd || !monitor_handler_ported(cmd)) {
4082
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4083
            goto err_input;
4084
        }
4085
    }
4086

    
4087
    obj = qdict_get(input, "arguments");
4088
    if (!obj) {
4089
        args = qdict_new();
4090
    } else {
4091
        args = qobject_to_qdict(obj);
4092
        QINCREF(args);
4093
    }
4094

    
4095
    QDECREF(input);
4096

    
4097
    err = monitor_check_qmp_args(cmd, args);
4098
    if (err < 0) {
4099
        goto err_out;
4100
    }
4101

    
4102
    monitor_call_handler(mon, cmd, args);
4103
    goto out;
4104

    
4105
err_input:
4106
    QDECREF(input);
4107
err_out:
4108
    monitor_protocol_emitter(mon, NULL);
4109
out:
4110
    QDECREF(args);
4111
    qemu_errors_to_previous();
4112
}
4113

    
4114
/**
4115
 * monitor_control_read(): Read and handle QMP input
4116
 */
4117
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4118
{
4119
    Monitor *old_mon = cur_mon;
4120

    
4121
    cur_mon = opaque;
4122

    
4123
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4124

    
4125
    cur_mon = old_mon;
4126
}
4127

    
4128
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4129
{
4130
    Monitor *old_mon = cur_mon;
4131
    int i;
4132

    
4133
    cur_mon = opaque;
4134

    
4135
    if (cur_mon->rs) {
4136
        for (i = 0; i < size; i++)
4137
            readline_handle_byte(cur_mon->rs, buf[i]);
4138
    } else {
4139
        if (size == 0 || buf[size - 1] != 0)
4140
            monitor_printf(cur_mon, "corrupted command\n");
4141
        else
4142
            handle_user_command(cur_mon, (char *)buf);
4143
    }
4144

    
4145
    cur_mon = old_mon;
4146
}
4147

    
4148
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4149
{
4150
    monitor_suspend(mon);
4151
    handle_user_command(mon, cmdline);
4152
    monitor_resume(mon);
4153
}
4154

    
4155
int monitor_suspend(Monitor *mon)
4156
{
4157
    if (!mon->rs)
4158
        return -ENOTTY;
4159
    mon->suspend_cnt++;
4160
    return 0;
4161
}
4162

    
4163
void monitor_resume(Monitor *mon)
4164
{
4165
    if (!mon->rs)
4166
        return;
4167
    if (--mon->suspend_cnt == 0)
4168
        readline_show_prompt(mon->rs);
4169
}
4170

    
4171
/**
4172
 * monitor_control_event(): Print QMP gretting
4173
 */
4174
static void monitor_control_event(void *opaque, int event)
4175
{
4176
    if (event == CHR_EVENT_OPENED) {
4177
        QObject *data;
4178
        Monitor *mon = opaque;
4179

    
4180
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4181

    
4182
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4183
        assert(data != NULL);
4184

    
4185
        monitor_json_emitter(mon, data);
4186
        qobject_decref(data);
4187
    }
4188
}
4189

    
4190
static void monitor_event(void *opaque, int event)
4191
{
4192
    Monitor *mon = opaque;
4193

    
4194
    switch (event) {
4195
    case CHR_EVENT_MUX_IN:
4196
        mon->mux_out = 0;
4197
        if (mon->reset_seen) {
4198
            readline_restart(mon->rs);
4199
            monitor_resume(mon);
4200
            monitor_flush(mon);
4201
        } else {
4202
            mon->suspend_cnt = 0;
4203
        }
4204
        break;
4205

    
4206
    case CHR_EVENT_MUX_OUT:
4207
        if (mon->reset_seen) {
4208
            if (mon->suspend_cnt == 0) {
4209
                monitor_printf(mon, "\n");
4210
            }
4211
            monitor_flush(mon);
4212
            monitor_suspend(mon);
4213
        } else {
4214
            mon->suspend_cnt++;
4215
        }
4216
        mon->mux_out = 1;
4217
        break;
4218

    
4219
    case CHR_EVENT_OPENED:
4220
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4221
                       "information\n", QEMU_VERSION);
4222
        if (!mon->mux_out) {
4223
            readline_show_prompt(mon->rs);
4224
        }
4225
        mon->reset_seen = 1;
4226
        break;
4227
    }
4228
}
4229

    
4230

    
4231
/*
4232
 * Local variables:
4233
 *  c-indent-level: 4
4234
 *  c-basic-offset: 4
4235
 *  tab-width: 8
4236
 * End:
4237
 */
4238

    
4239
void monitor_init(CharDriverState *chr, int flags)
4240
{
4241
    static int is_first_init = 1;
4242
    Monitor *mon;
4243

    
4244
    if (is_first_init) {
4245
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4246
        is_first_init = 0;
4247
    }
4248

    
4249
    mon = qemu_mallocz(sizeof(*mon));
4250

    
4251
    mon->chr = chr;
4252
    mon->flags = flags;
4253
    if (flags & MONITOR_USE_READLINE) {
4254
        mon->rs = readline_init(mon, monitor_find_completion);
4255
        monitor_read_command(mon, 0);
4256
    }
4257

    
4258
    if (monitor_ctrl_mode(mon)) {
4259
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4260
        /* Control mode requires special handlers */
4261
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4262
                              monitor_control_event, mon);
4263
    } else {
4264
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4265
                              monitor_event, mon);
4266
    }
4267

    
4268
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4269
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4270
        cur_mon = mon;
4271
}
4272

    
4273
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4274
{
4275
    BlockDriverState *bs = opaque;
4276
    int ret = 0;
4277

    
4278
    if (bdrv_set_key(bs, password) != 0) {
4279
        monitor_printf(mon, "invalid password\n");
4280
        ret = -EPERM;
4281
    }
4282
    if (mon->password_completion_cb)
4283
        mon->password_completion_cb(mon->password_opaque, ret);
4284

    
4285
    monitor_read_command(mon, 1);
4286
}
4287

    
4288
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4289
                                 BlockDriverCompletionFunc *completion_cb,
4290
                                 void *opaque)
4291
{
4292
    int err;
4293

    
4294
    if (!bdrv_key_required(bs)) {
4295
        if (completion_cb)
4296
            completion_cb(opaque, 0);
4297
        return;
4298
    }
4299

    
4300
    if (monitor_ctrl_mode(mon)) {
4301
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4302
        return;
4303
    }
4304

    
4305
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4306
                   bdrv_get_encrypted_filename(bs));
4307

    
4308
    mon->password_completion_cb = completion_cb;
4309
    mon->password_opaque = opaque;
4310

    
4311
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4312

    
4313
    if (err && completion_cb)
4314
        completion_cb(opaque, err);
4315
}
4316

    
4317
typedef struct QemuErrorSink QemuErrorSink;
4318
struct QemuErrorSink {
4319
    enum {
4320
        ERR_SINK_FILE,
4321
        ERR_SINK_MONITOR,
4322
    } dest;
4323
    union {
4324
        FILE    *fp;
4325
        Monitor *mon;
4326
    };
4327
    QemuErrorSink *previous;
4328
};
4329

    
4330
static QemuErrorSink *qemu_error_sink;
4331

    
4332
void qemu_errors_to_file(FILE *fp)
4333
{
4334
    QemuErrorSink *sink;
4335

    
4336
    sink = qemu_mallocz(sizeof(*sink));
4337
    sink->dest = ERR_SINK_FILE;
4338
    sink->fp = fp;
4339
    sink->previous = qemu_error_sink;
4340
    qemu_error_sink = sink;
4341
}
4342

    
4343
void qemu_errors_to_mon(Monitor *mon)
4344
{
4345
    QemuErrorSink *sink;
4346

    
4347
    sink = qemu_mallocz(sizeof(*sink));
4348
    sink->dest = ERR_SINK_MONITOR;
4349
    sink->mon = mon;
4350
    sink->previous = qemu_error_sink;
4351
    qemu_error_sink = sink;
4352
}
4353

    
4354
void qemu_errors_to_previous(void)
4355
{
4356
    QemuErrorSink *sink;
4357

    
4358
    assert(qemu_error_sink != NULL);
4359
    sink = qemu_error_sink;
4360
    qemu_error_sink = sink->previous;
4361
    qemu_free(sink);
4362
}
4363

    
4364
void qemu_error(const char *fmt, ...)
4365
{
4366
    va_list args;
4367

    
4368
    assert(qemu_error_sink != NULL);
4369
    switch (qemu_error_sink->dest) {
4370
    case ERR_SINK_FILE:
4371
        va_start(args, fmt);
4372
        vfprintf(qemu_error_sink->fp, fmt, args);
4373
        va_end(args);
4374
        break;
4375
    case ERR_SINK_MONITOR:
4376
        va_start(args, fmt);
4377
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4378
        va_end(args);
4379
        break;
4380
    }
4381
}
4382

    
4383
void qemu_error_internal(const char *file, int linenr, const char *func,
4384
                         const char *fmt, ...)
4385
{
4386
    va_list va;
4387
    QError *qerror;
4388

    
4389
    assert(qemu_error_sink != NULL);
4390

    
4391
    va_start(va, fmt);
4392
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4393
    va_end(va);
4394

    
4395
    switch (qemu_error_sink->dest) {
4396
    case ERR_SINK_FILE:
4397
        qerror_print(qerror);
4398
        QDECREF(qerror);
4399
        break;
4400
    case ERR_SINK_MONITOR:
4401
        assert(qemu_error_sink->mon->error == NULL);
4402
        qemu_error_sink->mon->error = qerror;
4403
        break;
4404
    }
4405
}