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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 "qfloat.h"
51
#include "qlist.h"
52
#include "qdict.h"
53
#include "qbool.h"
54
#include "qstring.h"
55
#include "qerror.h"
56
#include "qjson.h"
57
#include "json-streamer.h"
58
#include "json-parser.h"
59
#include "osdep.h"
60

    
61
//#define DEBUG
62
//#define DEBUG_COMPLETION
63

    
64
/*
65
 * Supported types:
66
 *
67
 * 'F'          filename
68
 * 'B'          block device name
69
 * 's'          string (accept optional quote)
70
 * 'i'          32 bit integer
71
 * 'l'          target long (32 or 64 bit)
72
 * 'M'          just like 'l', except in user mode the value is
73
 *              multiplied by 2^20 (think Mebibyte)
74
 * 'b'          double
75
 *              user mode accepts an optional G, g, M, m, K, k suffix,
76
 *              which multiplies the value by 2^30 for suffixes G and
77
 *              g, 2^20 for M and m, 2^10 for K and k
78
 * '/'          optional gdb-like print format (like "/10x")
79
 *
80
 * '?'          optional type (for all types, except '/')
81
 * '.'          other form of optional type (for 'i' and 'l')
82
 * '-'          optional parameter (eg. '-f')
83
 *
84
 */
85

    
86
typedef struct MonitorCompletionData MonitorCompletionData;
87
struct MonitorCompletionData {
88
    Monitor *mon;
89
    void (*user_print)(Monitor *mon, const QObject *data);
90
};
91

    
92
typedef struct mon_cmd_t {
93
    const char *name;
94
    const char *args_type;
95
    const char *params;
96
    const char *help;
97
    void (*user_print)(Monitor *mon, const QObject *data);
98
    union {
99
        void (*info)(Monitor *mon);
100
        void (*info_new)(Monitor *mon, QObject **ret_data);
101
        int  (*info_async)(Monitor *mon, MonitorCompletion *cb, void *opaque);
102
        void (*cmd)(Monitor *mon, const QDict *qdict);
103
        void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
104
        int  (*cmd_async)(Monitor *mon, const QDict *params,
105
                          MonitorCompletion *cb, void *opaque);
106
    } mhandler;
107
    int async;
108
} mon_cmd_t;
109

    
110
/* file descriptors passed via SCM_RIGHTS */
111
typedef struct mon_fd_t mon_fd_t;
112
struct mon_fd_t {
113
    char *name;
114
    int fd;
115
    QLIST_ENTRY(mon_fd_t) next;
116
};
117

    
118
typedef struct MonitorControl {
119
    QObject *id;
120
    int print_enabled;
121
    JSONMessageParser parser;
122
} MonitorControl;
123

    
124
struct Monitor {
125
    CharDriverState *chr;
126
    int mux_out;
127
    int reset_seen;
128
    int flags;
129
    int suspend_cnt;
130
    uint8_t outbuf[1024];
131
    int outbuf_index;
132
    ReadLineState *rs;
133
    MonitorControl *mc;
134
    CPUState *mon_cpu;
135
    BlockDriverCompletionFunc *password_completion_cb;
136
    void *password_opaque;
137
    QError *error;
138
    QLIST_HEAD(,mon_fd_t) fds;
139
    QLIST_ENTRY(Monitor) entry;
140
};
141

    
142
static QLIST_HEAD(mon_list, Monitor) mon_list;
143

    
144
static const mon_cmd_t mon_cmds[];
145
static const mon_cmd_t info_cmds[];
146

    
147
Monitor *cur_mon = NULL;
148

    
149
static void monitor_command_cb(Monitor *mon, const char *cmdline,
150
                               void *opaque);
151

    
152
/* Return true if in control mode, false otherwise */
153
static inline int monitor_ctrl_mode(const Monitor *mon)
154
{
155
    return (mon->flags & MONITOR_USE_CONTROL);
156
}
157

    
158
static void monitor_read_command(Monitor *mon, int show_prompt)
159
{
160
    if (!mon->rs)
161
        return;
162

    
163
    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
164
    if (show_prompt)
165
        readline_show_prompt(mon->rs);
166
}
167

    
168
static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
169
                                 void *opaque)
170
{
171
    if (monitor_ctrl_mode(mon)) {
172
        qemu_error_new(QERR_MISSING_PARAMETER, "password");
173
        return -EINVAL;
174
    } else if (mon->rs) {
175
        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
176
        /* prompt is printed on return from the command handler */
177
        return 0;
178
    } else {
179
        monitor_printf(mon, "terminal does not support password prompting\n");
180
        return -ENOTTY;
181
    }
182
}
183

    
184
void monitor_flush(Monitor *mon)
185
{
186
    if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
187
        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
188
        mon->outbuf_index = 0;
189
    }
190
}
191

    
192
/* flush at every end of line or if the buffer is full */
193
static void monitor_puts(Monitor *mon, const char *str)
194
{
195
    char c;
196

    
197
    for(;;) {
198
        c = *str++;
199
        if (c == '\0')
200
            break;
201
        if (c == '\n')
202
            mon->outbuf[mon->outbuf_index++] = '\r';
203
        mon->outbuf[mon->outbuf_index++] = c;
204
        if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
205
            || c == '\n')
206
            monitor_flush(mon);
207
    }
208
}
209

    
210
void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
211
{
212
    if (!mon)
213
        return;
214

    
215
    if (mon->mc && !mon->mc->print_enabled) {
216
        qemu_error_new(QERR_UNDEFINED_ERROR);
217
    } else {
218
        char buf[4096];
219
        vsnprintf(buf, sizeof(buf), fmt, ap);
220
        monitor_puts(mon, buf);
221
    }
222
}
223

    
224
void monitor_printf(Monitor *mon, const char *fmt, ...)
225
{
226
    va_list ap;
227
    va_start(ap, fmt);
228
    monitor_vprintf(mon, fmt, ap);
229
    va_end(ap);
230
}
231

    
232
void monitor_print_filename(Monitor *mon, const char *filename)
233
{
234
    int i;
235

    
236
    for (i = 0; filename[i]; i++) {
237
        switch (filename[i]) {
238
        case ' ':
239
        case '"':
240
        case '\\':
241
            monitor_printf(mon, "\\%c", filename[i]);
242
            break;
243
        case '\t':
244
            monitor_printf(mon, "\\t");
245
            break;
246
        case '\r':
247
            monitor_printf(mon, "\\r");
248
            break;
249
        case '\n':
250
            monitor_printf(mon, "\\n");
251
            break;
252
        default:
253
            monitor_printf(mon, "%c", filename[i]);
254
            break;
255
        }
256
    }
257
}
258

    
259
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
260
{
261
    va_list ap;
262
    va_start(ap, fmt);
263
    monitor_vprintf((Monitor *)stream, fmt, ap);
264
    va_end(ap);
265
    return 0;
266
}
267

    
268
static void monitor_user_noop(Monitor *mon, const QObject *data) { }
269

    
270
static inline int monitor_handler_ported(const mon_cmd_t *cmd)
271
{
272
    return cmd->user_print != NULL;
273
}
274

    
275
static inline bool monitor_handler_is_async(const mon_cmd_t *cmd)
276
{
277
    return cmd->async != 0;
278
}
279

    
280
static inline int monitor_has_error(const Monitor *mon)
281
{
282
    return mon->error != NULL;
283
}
284

    
285
static void monitor_json_emitter(Monitor *mon, const QObject *data)
286
{
287
    QString *json;
288

    
289
    json = qobject_to_json(data);
290
    assert(json != NULL);
291

    
292
    mon->mc->print_enabled = 1;
293
    monitor_printf(mon, "%s\n", qstring_get_str(json));
294
    mon->mc->print_enabled = 0;
295

    
296
    QDECREF(json);
297
}
298

    
299
static void monitor_protocol_emitter(Monitor *mon, QObject *data)
300
{
301
    QDict *qmp;
302

    
303
    qmp = qdict_new();
304

    
305
    if (!monitor_has_error(mon)) {
306
        /* success response */
307
        if (data) {
308
            qobject_incref(data);
309
            qdict_put_obj(qmp, "return", data);
310
        } else {
311
            /* return an empty QDict by default */
312
            qdict_put(qmp, "return", qdict_new());
313
        }
314
    } else {
315
        /* error response */
316
        qdict_put(mon->error->error, "desc", qerror_human(mon->error));
317
        qdict_put(qmp, "error", mon->error->error);
318
        QINCREF(mon->error->error);
319
        QDECREF(mon->error);
320
        mon->error = NULL;
321
    }
322

    
323
    if (mon->mc->id) {
324
        qdict_put_obj(qmp, "id", mon->mc->id);
325
        mon->mc->id = NULL;
326
    }
327

    
328
    monitor_json_emitter(mon, QOBJECT(qmp));
329
    QDECREF(qmp);
330
}
331

    
332
static void timestamp_put(QDict *qdict)
333
{
334
    int err;
335
    QObject *obj;
336
    qemu_timeval tv;
337

    
338
    err = qemu_gettimeofday(&tv);
339
    if (err < 0)
340
        return;
341

    
342
    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
343
                                "'microseconds': %" PRId64 " }",
344
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
345
    assert(obj != NULL);
346

    
347
    qdict_put_obj(qdict, "timestamp", obj);
348
}
349

    
350
/**
351
 * monitor_protocol_event(): Generate a Monitor event
352
 *
353
 * Event-specific data can be emitted through the (optional) 'data' parameter.
354
 */
355
void monitor_protocol_event(MonitorEvent event, QObject *data)
356
{
357
    QDict *qmp;
358
    const char *event_name;
359
    Monitor *mon;
360

    
361
    assert(event < QEVENT_MAX);
362

    
363
    switch (event) {
364
        case QEVENT_DEBUG:
365
            event_name = "DEBUG";
366
            break;
367
        case QEVENT_SHUTDOWN:
368
            event_name = "SHUTDOWN";
369
            break;
370
        case QEVENT_RESET:
371
            event_name = "RESET";
372
            break;
373
        case QEVENT_POWERDOWN:
374
            event_name = "POWERDOWN";
375
            break;
376
        case QEVENT_STOP:
377
            event_name = "STOP";
378
            break;
379
        case QEVENT_VNC_CONNECTED:
380
            event_name = "VNC_CONNECTED";
381
            break;
382
        case QEVENT_VNC_INITIALIZED:
383
            event_name = "VNC_INITIALIZED";
384
            break;
385
        case QEVENT_VNC_DISCONNECTED:
386
            event_name = "VNC_DISCONNECTED";
387
            break;
388
        default:
389
            abort();
390
            break;
391
    }
392

    
393
    qmp = qdict_new();
394
    timestamp_put(qmp);
395
    qdict_put(qmp, "event", qstring_from_str(event_name));
396
    if (data) {
397
        qobject_incref(data);
398
        qdict_put_obj(qmp, "data", data);
399
    }
400

    
401
    QLIST_FOREACH(mon, &mon_list, entry) {
402
        if (monitor_ctrl_mode(mon)) {
403
            monitor_json_emitter(mon, QOBJECT(qmp));
404
        }
405
    }
406
    QDECREF(qmp);
407
}
408

    
409
static int compare_cmd(const char *name, const char *list)
410
{
411
    const char *p, *pstart;
412
    int len;
413
    len = strlen(name);
414
    p = list;
415
    for(;;) {
416
        pstart = p;
417
        p = strchr(p, '|');
418
        if (!p)
419
            p = pstart + strlen(pstart);
420
        if ((p - pstart) == len && !memcmp(pstart, name, len))
421
            return 1;
422
        if (*p == '\0')
423
            break;
424
        p++;
425
    }
426
    return 0;
427
}
428

    
429
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
430
                          const char *prefix, const char *name)
431
{
432
    const mon_cmd_t *cmd;
433

    
434
    for(cmd = cmds; cmd->name != NULL; cmd++) {
435
        if (!name || !strcmp(name, cmd->name))
436
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
437
                           cmd->params, cmd->help);
438
    }
439
}
440

    
441
static void help_cmd(Monitor *mon, const char *name)
442
{
443
    if (name && !strcmp(name, "info")) {
444
        help_cmd_dump(mon, info_cmds, "info ", NULL);
445
    } else {
446
        help_cmd_dump(mon, mon_cmds, "", name);
447
        if (name && !strcmp(name, "log")) {
448
            const CPULogItem *item;
449
            monitor_printf(mon, "Log items (comma separated):\n");
450
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
451
            for(item = cpu_log_items; item->mask != 0; item++) {
452
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
453
            }
454
        }
455
    }
456
}
457

    
458
static void do_help_cmd(Monitor *mon, const QDict *qdict)
459
{
460
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
461
}
462

    
463
static void do_commit(Monitor *mon, const QDict *qdict)
464
{
465
    int all_devices;
466
    DriveInfo *dinfo;
467
    const char *device = qdict_get_str(qdict, "device");
468

    
469
    all_devices = !strcmp(device, "all");
470
    QTAILQ_FOREACH(dinfo, &drives, next) {
471
        if (!all_devices)
472
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
473
                continue;
474
        bdrv_commit(dinfo->bdrv);
475
    }
476
}
477

    
478
static void user_monitor_complete(void *opaque, QObject *ret_data)
479
{
480
    MonitorCompletionData *data = (MonitorCompletionData *)opaque; 
481

    
482
    if (ret_data) {
483
        data->user_print(data->mon, ret_data);
484
    }
485
    monitor_resume(data->mon);
486
    qemu_free(data);
487
}
488

    
489
static void qmp_monitor_complete(void *opaque, QObject *ret_data)
490
{
491
    monitor_protocol_emitter(opaque, ret_data);
492
}
493

    
494
static void qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
495
                                  const QDict *params)
496
{
497
    cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
498
}
499

    
500
static void qmp_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
501
{
502
    cmd->mhandler.info_async(mon, qmp_monitor_complete, mon);
503
}
504

    
505
static void user_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
506
                                   const QDict *params)
507
{
508
    int ret;
509

    
510
    MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
511
    cb_data->mon = mon;
512
    cb_data->user_print = cmd->user_print;
513
    monitor_suspend(mon);
514
    ret = cmd->mhandler.cmd_async(mon, params,
515
                                  user_monitor_complete, cb_data);
516
    if (ret < 0) {
517
        monitor_resume(mon);
518
        qemu_free(cb_data);
519
    }
520
}
521

    
522
static void user_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
523
{
524
    int ret;
525

    
526
    MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
527
    cb_data->mon = mon;
528
    cb_data->user_print = cmd->user_print;
529
    monitor_suspend(mon);
530
    ret = cmd->mhandler.info_async(mon, user_monitor_complete, cb_data);
531
    if (ret < 0) {
532
        monitor_resume(mon);
533
        qemu_free(cb_data);
534
    }
535
}
536

    
537
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
538
{
539
    const mon_cmd_t *cmd;
540
    const char *item = qdict_get_try_str(qdict, "item");
541

    
542
    if (!item) {
543
        assert(monitor_ctrl_mode(mon) == 0);
544
        goto help;
545
    }
546

    
547
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
548
        if (compare_cmd(item, cmd->name))
549
            break;
550
    }
551

    
552
    if (cmd->name == NULL) {
553
        if (monitor_ctrl_mode(mon)) {
554
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
555
            return;
556
        }
557
        goto help;
558
    }
559

    
560
    if (monitor_handler_is_async(cmd)) {
561
        if (monitor_ctrl_mode(mon)) {
562
            qmp_async_info_handler(mon, cmd);
563
        } else {
564
            user_async_info_handler(mon, cmd);
565
        }
566
        /*
567
         * Indicate that this command is asynchronous and will not return any
568
         * data (not even empty).  Instead, the data will be returned via a
569
         * completion callback.
570
         */
571
        *ret_data = qobject_from_jsonf("{ '__mon_async': 'return' }");
572
    } else if (monitor_handler_ported(cmd)) {
573
        cmd->mhandler.info_new(mon, ret_data);
574

    
575
        if (!monitor_ctrl_mode(mon)) {
576
            /*
577
             * User Protocol function is called here, Monitor Protocol is
578
             * handled by monitor_call_handler()
579
             */
580
            if (*ret_data)
581
                cmd->user_print(mon, *ret_data);
582
        }
583
    } else {
584
        if (monitor_ctrl_mode(mon)) {
585
            /* handler not converted yet */
586
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
587
        } else {
588
            cmd->mhandler.info(mon);
589
        }
590
    }
591

    
592
    return;
593

    
594
help:
595
    help_cmd(mon, "info");
596
}
597

    
598
static void do_info_version_print(Monitor *mon, const QObject *data)
599
{
600
    QDict *qdict;
601

    
602
    qdict = qobject_to_qdict(data);
603

    
604
    monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
605
                                  qdict_get_str(qdict, "package"));
606
}
607

    
608
/**
609
 * do_info_version(): Show QEMU version
610
 *
611
 * Return a QDict with the following information:
612
 *
613
 * - "qemu": QEMU's version
614
 * - "package": package's version
615
 *
616
 * Example:
617
 *
618
 * { "qemu": "0.11.50", "package": "" }
619
 */
620
static void do_info_version(Monitor *mon, QObject **ret_data)
621
{
622
    *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
623
                                   QEMU_VERSION, QEMU_PKGVERSION);
624
}
625

    
626
static void do_info_name_print(Monitor *mon, const QObject *data)
627
{
628
    QDict *qdict;
629

    
630
    qdict = qobject_to_qdict(data);
631
    if (qdict_size(qdict) == 0) {
632
        return;
633
    }
634

    
635
    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
636
}
637

    
638
/**
639
 * do_info_name(): Show VM name
640
 *
641
 * Return a QDict with the following information:
642
 *
643
 * - "name": VM's name (optional)
644
 *
645
 * Example:
646
 *
647
 * { "name": "qemu-name" }
648
 */
649
static void do_info_name(Monitor *mon, QObject **ret_data)
650
{
651
    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
652
                            qobject_from_jsonf("{}");
653
}
654

    
655
static QObject *get_cmd_dict(const char *name)
656
{
657
    const char *p;
658

    
659
    /* Remove '|' from some commands */
660
    p = strchr(name, '|');
661
    if (p) {
662
        p++;
663
    } else {
664
        p = name;
665
    }
666

    
667
    return qobject_from_jsonf("{ 'name': %s }", p);
668
}
669

    
670
/**
671
 * do_info_commands(): List QMP available commands
672
 *
673
 * Each command is represented by a QDict, the returned QObject is a QList
674
 * of all commands.
675
 *
676
 * The QDict contains:
677
 *
678
 * - "name": command's name
679
 *
680
 * Example:
681
 *
682
 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
683
 */
684
static void do_info_commands(Monitor *mon, QObject **ret_data)
685
{
686
    QList *cmd_list;
687
    const mon_cmd_t *cmd;
688

    
689
    cmd_list = qlist_new();
690

    
691
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
692
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
693
            qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
694
        }
695
    }
696

    
697
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
698
        if (monitor_handler_ported(cmd)) {
699
            char buf[128];
700
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
701
            qlist_append_obj(cmd_list, get_cmd_dict(buf));
702
        }
703
    }
704

    
705
    *ret_data = QOBJECT(cmd_list);
706
}
707

    
708
#if defined(TARGET_I386)
709
static void do_info_hpet_print(Monitor *mon, const QObject *data)
710
{
711
    monitor_printf(mon, "HPET is %s by QEMU\n",
712
                   qdict_get_bool(qobject_to_qdict(data), "enabled") ?
713
                   "enabled" : "disabled");
714
}
715

    
716
/**
717
 * do_info_hpet(): Show HPET state
718
 *
719
 * Return a QDict with the following information:
720
 *
721
 * - "enabled": true if hpet if enabled, false otherwise
722
 *
723
 * Example:
724
 *
725
 * { "enabled": true }
726
 */
727
static void do_info_hpet(Monitor *mon, QObject **ret_data)
728
{
729
    *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
730
}
731
#endif
732

    
733
static void do_info_uuid_print(Monitor *mon, const QObject *data)
734
{
735
    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
736
}
737

    
738
/**
739
 * do_info_uuid(): Show VM UUID
740
 *
741
 * Return a QDict with the following information:
742
 *
743
 * - "UUID": Universally Unique Identifier
744
 *
745
 * Example:
746
 *
747
 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
748
 */
749
static void do_info_uuid(Monitor *mon, QObject **ret_data)
750
{
751
    char uuid[64];
752

    
753
    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
754
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
755
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
756
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
757
                   qemu_uuid[14], qemu_uuid[15]);
758
    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
759
}
760

    
761
/* get the current CPU defined by the user */
762
static int mon_set_cpu(int cpu_index)
763
{
764
    CPUState *env;
765

    
766
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
767
        if (env->cpu_index == cpu_index) {
768
            cur_mon->mon_cpu = env;
769
            return 0;
770
        }
771
    }
772
    return -1;
773
}
774

    
775
static CPUState *mon_get_cpu(void)
776
{
777
    if (!cur_mon->mon_cpu) {
778
        mon_set_cpu(0);
779
    }
780
    cpu_synchronize_state(cur_mon->mon_cpu);
781
    return cur_mon->mon_cpu;
782
}
783

    
784
static void do_info_registers(Monitor *mon)
785
{
786
    CPUState *env;
787
    env = mon_get_cpu();
788
#ifdef TARGET_I386
789
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
790
                   X86_DUMP_FPU);
791
#else
792
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
793
                   0);
794
#endif
795
}
796

    
797
static void print_cpu_iter(QObject *obj, void *opaque)
798
{
799
    QDict *cpu;
800
    int active = ' ';
801
    Monitor *mon = opaque;
802

    
803
    assert(qobject_type(obj) == QTYPE_QDICT);
804
    cpu = qobject_to_qdict(obj);
805

    
806
    if (qdict_get_bool(cpu, "current")) {
807
        active = '*';
808
    }
809

    
810
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
811

    
812
#if defined(TARGET_I386)
813
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
814
                   (target_ulong) qdict_get_int(cpu, "pc"));
815
#elif defined(TARGET_PPC)
816
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
817
                   (target_long) qdict_get_int(cpu, "nip"));
818
#elif defined(TARGET_SPARC)
819
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
820
                   (target_long) qdict_get_int(cpu, "pc"));
821
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
822
                   (target_long) qdict_get_int(cpu, "npc"));
823
#elif defined(TARGET_MIPS)
824
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
825
                   (target_long) qdict_get_int(cpu, "PC"));
826
#endif
827

    
828
    if (qdict_get_bool(cpu, "halted")) {
829
        monitor_printf(mon, " (halted)");
830
    }
831

    
832
    monitor_printf(mon, "\n");
833
}
834

    
835
static void monitor_print_cpus(Monitor *mon, const QObject *data)
836
{
837
    QList *cpu_list;
838

    
839
    assert(qobject_type(data) == QTYPE_QLIST);
840
    cpu_list = qobject_to_qlist(data);
841
    qlist_iter(cpu_list, print_cpu_iter, mon);
842
}
843

    
844
/**
845
 * do_info_cpus(): Show CPU information
846
 *
847
 * Return a QList. Each CPU is represented by a QDict, which contains:
848
 *
849
 * - "cpu": CPU index
850
 * - "current": true if this is the current CPU, false otherwise
851
 * - "halted": true if the cpu is halted, false otherwise
852
 * - Current program counter. The key's name depends on the architecture:
853
 *      "pc": i386/x86)64
854
 *      "nip": PPC
855
 *      "pc" and "npc": sparc
856
 *      "PC": mips
857
 *
858
 * Example:
859
 *
860
 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
861
 *   { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
862
 */
863
static void do_info_cpus(Monitor *mon, QObject **ret_data)
864
{
865
    CPUState *env;
866
    QList *cpu_list;
867

    
868
    cpu_list = qlist_new();
869

    
870
    /* just to set the default cpu if not already done */
871
    mon_get_cpu();
872

    
873
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
874
        QDict *cpu;
875
        QObject *obj;
876

    
877
        cpu_synchronize_state(env);
878

    
879
        obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
880
                                 env->cpu_index, env == mon->mon_cpu,
881
                                 env->halted);
882
        assert(obj != NULL);
883

    
884
        cpu = qobject_to_qdict(obj);
885

    
886
#if defined(TARGET_I386)
887
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
888
#elif defined(TARGET_PPC)
889
        qdict_put(cpu, "nip", qint_from_int(env->nip));
890
#elif defined(TARGET_SPARC)
891
        qdict_put(cpu, "pc", qint_from_int(env->pc));
892
        qdict_put(cpu, "npc", qint_from_int(env->npc));
893
#elif defined(TARGET_MIPS)
894
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
895
#endif
896

    
897
        qlist_append(cpu_list, cpu);
898
    }
899

    
900
    *ret_data = QOBJECT(cpu_list);
901
}
902

    
903
static void do_cpu_set(Monitor *mon, const QDict *qdict, QObject **ret_data)
904
{
905
    int index = qdict_get_int(qdict, "index");
906
    if (mon_set_cpu(index) < 0)
907
        qemu_error_new(QERR_INVALID_CPU_INDEX);
908
}
909

    
910
static void do_info_jit(Monitor *mon)
911
{
912
    dump_exec_info((FILE *)mon, monitor_fprintf);
913
}
914

    
915
static void do_info_history(Monitor *mon)
916
{
917
    int i;
918
    const char *str;
919

    
920
    if (!mon->rs)
921
        return;
922
    i = 0;
923
    for(;;) {
924
        str = readline_get_history(mon->rs, i);
925
        if (!str)
926
            break;
927
        monitor_printf(mon, "%d: '%s'\n", i, str);
928
        i++;
929
    }
930
}
931

    
932
#if defined(TARGET_PPC)
933
/* XXX: not implemented in other targets */
934
static void do_info_cpu_stats(Monitor *mon)
935
{
936
    CPUState *env;
937

    
938
    env = mon_get_cpu();
939
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
940
}
941
#endif
942

    
943
/**
944
 * do_quit(): Quit QEMU execution
945
 */
946
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
947
{
948
    exit(0);
949
}
950

    
951
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
952
{
953
    if (bdrv_is_inserted(bs)) {
954
        if (!force) {
955
            if (!bdrv_is_removable(bs)) {
956
                qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
957
                               bdrv_get_device_name(bs));
958
                return -1;
959
            }
960
            if (bdrv_is_locked(bs)) {
961
                qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
962
                return -1;
963
            }
964
        }
965
        bdrv_close(bs);
966
    }
967
    return 0;
968
}
969

    
970
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
971
{
972
    BlockDriverState *bs;
973
    int force = qdict_get_int(qdict, "force");
974
    const char *filename = qdict_get_str(qdict, "device");
975

    
976
    bs = bdrv_find(filename);
977
    if (!bs) {
978
        qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
979
        return;
980
    }
981
    eject_device(mon, bs, force);
982
}
983

    
984
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
985
                                QObject **ret_data)
986
{
987
    BlockDriverState *bs;
988

    
989
    bs = bdrv_find(qdict_get_str(qdict, "device"));
990
    if (!bs) {
991
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
992
        return;
993
    }
994

    
995
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
996
        qemu_error_new(QERR_INVALID_PASSWORD);
997
    }
998
}
999

    
1000
static void do_change_block(Monitor *mon, const char *device,
1001
                            const char *filename, const char *fmt)
1002
{
1003
    BlockDriverState *bs;
1004
    BlockDriver *drv = NULL;
1005

    
1006
    bs = bdrv_find(device);
1007
    if (!bs) {
1008
        qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
1009
        return;
1010
    }
1011
    if (fmt) {
1012
        drv = bdrv_find_whitelisted_format(fmt);
1013
        if (!drv) {
1014
            qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
1015
            return;
1016
        }
1017
    }
1018
    if (eject_device(mon, bs, 0) < 0)
1019
        return;
1020
    bdrv_open2(bs, filename, BDRV_O_RDWR, drv);
1021
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
1022
}
1023

    
1024
static void change_vnc_password(const char *password)
1025
{
1026
    if (vnc_display_password(NULL, password) < 0)
1027
        qemu_error_new(QERR_SET_PASSWD_FAILED);
1028

    
1029
}
1030

    
1031
static void change_vnc_password_cb(Monitor *mon, const char *password,
1032
                                   void *opaque)
1033
{
1034
    change_vnc_password(password);
1035
    monitor_read_command(mon, 1);
1036
}
1037

    
1038
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
1039
{
1040
    if (strcmp(target, "passwd") == 0 ||
1041
        strcmp(target, "password") == 0) {
1042
        if (arg) {
1043
            char password[9];
1044
            strncpy(password, arg, sizeof(password));
1045
            password[sizeof(password) - 1] = '\0';
1046
            change_vnc_password(password);
1047
        } else {
1048
            monitor_read_password(mon, change_vnc_password_cb, NULL);
1049
        }
1050
    } else {
1051
        if (vnc_display_open(NULL, target) < 0)
1052
            qemu_error_new(QERR_VNC_SERVER_FAILED, target);
1053
    }
1054
}
1055

    
1056
/**
1057
 * do_change(): Change a removable medium, or VNC configuration
1058
 */
1059
static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
1060
{
1061
    const char *device = qdict_get_str(qdict, "device");
1062
    const char *target = qdict_get_str(qdict, "target");
1063
    const char *arg = qdict_get_try_str(qdict, "arg");
1064
    if (strcmp(device, "vnc") == 0) {
1065
        do_change_vnc(mon, target, arg);
1066
    } else {
1067
        do_change_block(mon, device, target, arg);
1068
    }
1069
}
1070

    
1071
static void do_screen_dump(Monitor *mon, const QDict *qdict)
1072
{
1073
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
1074
}
1075

    
1076
static void do_logfile(Monitor *mon, const QDict *qdict)
1077
{
1078
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
1079
}
1080

    
1081
static void do_log(Monitor *mon, const QDict *qdict)
1082
{
1083
    int mask;
1084
    const char *items = qdict_get_str(qdict, "items");
1085

    
1086
    if (!strcmp(items, "none")) {
1087
        mask = 0;
1088
    } else {
1089
        mask = cpu_str_to_log_mask(items);
1090
        if (!mask) {
1091
            help_cmd(mon, "log");
1092
            return;
1093
        }
1094
    }
1095
    cpu_set_log(mask);
1096
}
1097

    
1098
static void do_singlestep(Monitor *mon, const QDict *qdict)
1099
{
1100
    const char *option = qdict_get_try_str(qdict, "option");
1101
    if (!option || !strcmp(option, "on")) {
1102
        singlestep = 1;
1103
    } else if (!strcmp(option, "off")) {
1104
        singlestep = 0;
1105
    } else {
1106
        monitor_printf(mon, "unexpected option %s\n", option);
1107
    }
1108
}
1109

    
1110
/**
1111
 * do_stop(): Stop VM execution
1112
 */
1113
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1114
{
1115
    vm_stop(EXCP_INTERRUPT);
1116
}
1117

    
1118
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1119

    
1120
struct bdrv_iterate_context {
1121
    Monitor *mon;
1122
    int err;
1123
};
1124

    
1125
/**
1126
 * do_cont(): Resume emulation.
1127
 */
1128
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1129
{
1130
    struct bdrv_iterate_context context = { mon, 0 };
1131

    
1132
    bdrv_iterate(encrypted_bdrv_it, &context);
1133
    /* only resume the vm if all keys are set and valid */
1134
    if (!context.err)
1135
        vm_start();
1136
}
1137

    
1138
static void bdrv_key_cb(void *opaque, int err)
1139
{
1140
    Monitor *mon = opaque;
1141

    
1142
    /* another key was set successfully, retry to continue */
1143
    if (!err)
1144
        do_cont(mon, NULL, NULL);
1145
}
1146

    
1147
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1148
{
1149
    struct bdrv_iterate_context *context = opaque;
1150

    
1151
    if (!context->err && bdrv_key_required(bs)) {
1152
        context->err = -EBUSY;
1153
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1154
                                    context->mon);
1155
    }
1156
}
1157

    
1158
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1159
{
1160
    const char *device = qdict_get_try_str(qdict, "device");
1161
    if (!device)
1162
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
1163
    if (gdbserver_start(device) < 0) {
1164
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1165
                       device);
1166
    } else if (strcmp(device, "none") == 0) {
1167
        monitor_printf(mon, "Disabled gdbserver\n");
1168
    } else {
1169
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1170
                       device);
1171
    }
1172
}
1173

    
1174
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1175
{
1176
    const char *action = qdict_get_str(qdict, "action");
1177
    if (select_watchdog_action(action) == -1) {
1178
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1179
    }
1180
}
1181

    
1182
static void monitor_printc(Monitor *mon, int c)
1183
{
1184
    monitor_printf(mon, "'");
1185
    switch(c) {
1186
    case '\'':
1187
        monitor_printf(mon, "\\'");
1188
        break;
1189
    case '\\':
1190
        monitor_printf(mon, "\\\\");
1191
        break;
1192
    case '\n':
1193
        monitor_printf(mon, "\\n");
1194
        break;
1195
    case '\r':
1196
        monitor_printf(mon, "\\r");
1197
        break;
1198
    default:
1199
        if (c >= 32 && c <= 126) {
1200
            monitor_printf(mon, "%c", c);
1201
        } else {
1202
            monitor_printf(mon, "\\x%02x", c);
1203
        }
1204
        break;
1205
    }
1206
    monitor_printf(mon, "'");
1207
}
1208

    
1209
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1210
                        target_phys_addr_t addr, int is_physical)
1211
{
1212
    CPUState *env;
1213
    int l, line_size, i, max_digits, len;
1214
    uint8_t buf[16];
1215
    uint64_t v;
1216

    
1217
    if (format == 'i') {
1218
        int flags;
1219
        flags = 0;
1220
        env = mon_get_cpu();
1221
        if (!is_physical)
1222
            return;
1223
#ifdef TARGET_I386
1224
        if (wsize == 2) {
1225
            flags = 1;
1226
        } else if (wsize == 4) {
1227
            flags = 0;
1228
        } else {
1229
            /* as default we use the current CS size */
1230
            flags = 0;
1231
            if (env) {
1232
#ifdef TARGET_X86_64
1233
                if ((env->efer & MSR_EFER_LMA) &&
1234
                    (env->segs[R_CS].flags & DESC_L_MASK))
1235
                    flags = 2;
1236
                else
1237
#endif
1238
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1239
                    flags = 1;
1240
            }
1241
        }
1242
#endif
1243
        monitor_disas(mon, env, addr, count, is_physical, flags);
1244
        return;
1245
    }
1246

    
1247
    len = wsize * count;
1248
    if (wsize == 1)
1249
        line_size = 8;
1250
    else
1251
        line_size = 16;
1252
    max_digits = 0;
1253

    
1254
    switch(format) {
1255
    case 'o':
1256
        max_digits = (wsize * 8 + 2) / 3;
1257
        break;
1258
    default:
1259
    case 'x':
1260
        max_digits = (wsize * 8) / 4;
1261
        break;
1262
    case 'u':
1263
    case 'd':
1264
        max_digits = (wsize * 8 * 10 + 32) / 33;
1265
        break;
1266
    case 'c':
1267
        wsize = 1;
1268
        break;
1269
    }
1270

    
1271
    while (len > 0) {
1272
        if (is_physical)
1273
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1274
        else
1275
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1276
        l = len;
1277
        if (l > line_size)
1278
            l = line_size;
1279
        if (is_physical) {
1280
            cpu_physical_memory_rw(addr, buf, l, 0);
1281
        } else {
1282
            env = mon_get_cpu();
1283
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1284
                monitor_printf(mon, " Cannot access memory\n");
1285
                break;
1286
            }
1287
        }
1288
        i = 0;
1289
        while (i < l) {
1290
            switch(wsize) {
1291
            default:
1292
            case 1:
1293
                v = ldub_raw(buf + i);
1294
                break;
1295
            case 2:
1296
                v = lduw_raw(buf + i);
1297
                break;
1298
            case 4:
1299
                v = (uint32_t)ldl_raw(buf + i);
1300
                break;
1301
            case 8:
1302
                v = ldq_raw(buf + i);
1303
                break;
1304
            }
1305
            monitor_printf(mon, " ");
1306
            switch(format) {
1307
            case 'o':
1308
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1309
                break;
1310
            case 'x':
1311
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1312
                break;
1313
            case 'u':
1314
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1315
                break;
1316
            case 'd':
1317
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1318
                break;
1319
            case 'c':
1320
                monitor_printc(mon, v);
1321
                break;
1322
            }
1323
            i += wsize;
1324
        }
1325
        monitor_printf(mon, "\n");
1326
        addr += l;
1327
        len -= l;
1328
    }
1329
}
1330

    
1331
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1332
{
1333
    int count = qdict_get_int(qdict, "count");
1334
    int format = qdict_get_int(qdict, "format");
1335
    int size = qdict_get_int(qdict, "size");
1336
    target_long addr = qdict_get_int(qdict, "addr");
1337

    
1338
    memory_dump(mon, count, format, size, addr, 0);
1339
}
1340

    
1341
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1342
{
1343
    int count = qdict_get_int(qdict, "count");
1344
    int format = qdict_get_int(qdict, "format");
1345
    int size = qdict_get_int(qdict, "size");
1346
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1347

    
1348
    memory_dump(mon, count, format, size, addr, 1);
1349
}
1350

    
1351
static void do_print(Monitor *mon, const QDict *qdict)
1352
{
1353
    int format = qdict_get_int(qdict, "format");
1354
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1355

    
1356
#if TARGET_PHYS_ADDR_BITS == 32
1357
    switch(format) {
1358
    case 'o':
1359
        monitor_printf(mon, "%#o", val);
1360
        break;
1361
    case 'x':
1362
        monitor_printf(mon, "%#x", val);
1363
        break;
1364
    case 'u':
1365
        monitor_printf(mon, "%u", val);
1366
        break;
1367
    default:
1368
    case 'd':
1369
        monitor_printf(mon, "%d", val);
1370
        break;
1371
    case 'c':
1372
        monitor_printc(mon, val);
1373
        break;
1374
    }
1375
#else
1376
    switch(format) {
1377
    case 'o':
1378
        monitor_printf(mon, "%#" PRIo64, val);
1379
        break;
1380
    case 'x':
1381
        monitor_printf(mon, "%#" PRIx64, val);
1382
        break;
1383
    case 'u':
1384
        monitor_printf(mon, "%" PRIu64, val);
1385
        break;
1386
    default:
1387
    case 'd':
1388
        monitor_printf(mon, "%" PRId64, val);
1389
        break;
1390
    case 'c':
1391
        monitor_printc(mon, val);
1392
        break;
1393
    }
1394
#endif
1395
    monitor_printf(mon, "\n");
1396
}
1397

    
1398
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1399
{
1400
    FILE *f;
1401
    uint32_t size = qdict_get_int(qdict, "size");
1402
    const char *filename = qdict_get_str(qdict, "filename");
1403
    target_long addr = qdict_get_int(qdict, "val");
1404
    uint32_t l;
1405
    CPUState *env;
1406
    uint8_t buf[1024];
1407

    
1408
    env = mon_get_cpu();
1409

    
1410
    f = fopen(filename, "wb");
1411
    if (!f) {
1412
        qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1413
        return;
1414
    }
1415
    while (size != 0) {
1416
        l = sizeof(buf);
1417
        if (l > size)
1418
            l = size;
1419
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1420
        if (fwrite(buf, 1, l, f) != l) {
1421
            monitor_printf(mon, "fwrite() error in do_memory_save\n");
1422
            goto exit;
1423
        }
1424
        addr += l;
1425
        size -= l;
1426
    }
1427
exit:
1428
    fclose(f);
1429
}
1430

    
1431
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1432
                                    QObject **ret_data)
1433
{
1434
    FILE *f;
1435
    uint32_t l;
1436
    uint8_t buf[1024];
1437
    uint32_t size = qdict_get_int(qdict, "size");
1438
    const char *filename = qdict_get_str(qdict, "filename");
1439
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1440

    
1441
    f = fopen(filename, "wb");
1442
    if (!f) {
1443
        qemu_error_new(QERR_OPEN_FILE_FAILED, filename);
1444
        return;
1445
    }
1446
    while (size != 0) {
1447
        l = sizeof(buf);
1448
        if (l > size)
1449
            l = size;
1450
        cpu_physical_memory_rw(addr, buf, l, 0);
1451
        if (fwrite(buf, 1, l, f) != l) {
1452
            monitor_printf(mon, "fwrite() error in do_physical_memory_save\n");
1453
            goto exit;
1454
        }
1455
        fflush(f);
1456
        addr += l;
1457
        size -= l;
1458
    }
1459
exit:
1460
    fclose(f);
1461
}
1462

    
1463
static void do_sum(Monitor *mon, const QDict *qdict)
1464
{
1465
    uint32_t addr;
1466
    uint8_t buf[1];
1467
    uint16_t sum;
1468
    uint32_t start = qdict_get_int(qdict, "start");
1469
    uint32_t size = qdict_get_int(qdict, "size");
1470

    
1471
    sum = 0;
1472
    for(addr = start; addr < (start + size); addr++) {
1473
        cpu_physical_memory_rw(addr, buf, 1, 0);
1474
        /* BSD sum algorithm ('sum' Unix command) */
1475
        sum = (sum >> 1) | (sum << 15);
1476
        sum += buf[0];
1477
    }
1478
    monitor_printf(mon, "%05d\n", sum);
1479
}
1480

    
1481
typedef struct {
1482
    int keycode;
1483
    const char *name;
1484
} KeyDef;
1485

    
1486
static const KeyDef key_defs[] = {
1487
    { 0x2a, "shift" },
1488
    { 0x36, "shift_r" },
1489

    
1490
    { 0x38, "alt" },
1491
    { 0xb8, "alt_r" },
1492
    { 0x64, "altgr" },
1493
    { 0xe4, "altgr_r" },
1494
    { 0x1d, "ctrl" },
1495
    { 0x9d, "ctrl_r" },
1496

    
1497
    { 0xdd, "menu" },
1498

    
1499
    { 0x01, "esc" },
1500

    
1501
    { 0x02, "1" },
1502
    { 0x03, "2" },
1503
    { 0x04, "3" },
1504
    { 0x05, "4" },
1505
    { 0x06, "5" },
1506
    { 0x07, "6" },
1507
    { 0x08, "7" },
1508
    { 0x09, "8" },
1509
    { 0x0a, "9" },
1510
    { 0x0b, "0" },
1511
    { 0x0c, "minus" },
1512
    { 0x0d, "equal" },
1513
    { 0x0e, "backspace" },
1514

    
1515
    { 0x0f, "tab" },
1516
    { 0x10, "q" },
1517
    { 0x11, "w" },
1518
    { 0x12, "e" },
1519
    { 0x13, "r" },
1520
    { 0x14, "t" },
1521
    { 0x15, "y" },
1522
    { 0x16, "u" },
1523
    { 0x17, "i" },
1524
    { 0x18, "o" },
1525
    { 0x19, "p" },
1526

    
1527
    { 0x1c, "ret" },
1528

    
1529
    { 0x1e, "a" },
1530
    { 0x1f, "s" },
1531
    { 0x20, "d" },
1532
    { 0x21, "f" },
1533
    { 0x22, "g" },
1534
    { 0x23, "h" },
1535
    { 0x24, "j" },
1536
    { 0x25, "k" },
1537
    { 0x26, "l" },
1538

    
1539
    { 0x2c, "z" },
1540
    { 0x2d, "x" },
1541
    { 0x2e, "c" },
1542
    { 0x2f, "v" },
1543
    { 0x30, "b" },
1544
    { 0x31, "n" },
1545
    { 0x32, "m" },
1546
    { 0x33, "comma" },
1547
    { 0x34, "dot" },
1548
    { 0x35, "slash" },
1549

    
1550
    { 0x37, "asterisk" },
1551

    
1552
    { 0x39, "spc" },
1553
    { 0x3a, "caps_lock" },
1554
    { 0x3b, "f1" },
1555
    { 0x3c, "f2" },
1556
    { 0x3d, "f3" },
1557
    { 0x3e, "f4" },
1558
    { 0x3f, "f5" },
1559
    { 0x40, "f6" },
1560
    { 0x41, "f7" },
1561
    { 0x42, "f8" },
1562
    { 0x43, "f9" },
1563
    { 0x44, "f10" },
1564
    { 0x45, "num_lock" },
1565
    { 0x46, "scroll_lock" },
1566

    
1567
    { 0xb5, "kp_divide" },
1568
    { 0x37, "kp_multiply" },
1569
    { 0x4a, "kp_subtract" },
1570
    { 0x4e, "kp_add" },
1571
    { 0x9c, "kp_enter" },
1572
    { 0x53, "kp_decimal" },
1573
    { 0x54, "sysrq" },
1574

    
1575
    { 0x52, "kp_0" },
1576
    { 0x4f, "kp_1" },
1577
    { 0x50, "kp_2" },
1578
    { 0x51, "kp_3" },
1579
    { 0x4b, "kp_4" },
1580
    { 0x4c, "kp_5" },
1581
    { 0x4d, "kp_6" },
1582
    { 0x47, "kp_7" },
1583
    { 0x48, "kp_8" },
1584
    { 0x49, "kp_9" },
1585

    
1586
    { 0x56, "<" },
1587

    
1588
    { 0x57, "f11" },
1589
    { 0x58, "f12" },
1590

    
1591
    { 0xb7, "print" },
1592

    
1593
    { 0xc7, "home" },
1594
    { 0xc9, "pgup" },
1595
    { 0xd1, "pgdn" },
1596
    { 0xcf, "end" },
1597

    
1598
    { 0xcb, "left" },
1599
    { 0xc8, "up" },
1600
    { 0xd0, "down" },
1601
    { 0xcd, "right" },
1602

    
1603
    { 0xd2, "insert" },
1604
    { 0xd3, "delete" },
1605
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1606
    { 0xf0, "stop" },
1607
    { 0xf1, "again" },
1608
    { 0xf2, "props" },
1609
    { 0xf3, "undo" },
1610
    { 0xf4, "front" },
1611
    { 0xf5, "copy" },
1612
    { 0xf6, "open" },
1613
    { 0xf7, "paste" },
1614
    { 0xf8, "find" },
1615
    { 0xf9, "cut" },
1616
    { 0xfa, "lf" },
1617
    { 0xfb, "help" },
1618
    { 0xfc, "meta_l" },
1619
    { 0xfd, "meta_r" },
1620
    { 0xfe, "compose" },
1621
#endif
1622
    { 0, NULL },
1623
};
1624

    
1625
static int get_keycode(const char *key)
1626
{
1627
    const KeyDef *p;
1628
    char *endp;
1629
    int ret;
1630

    
1631
    for(p = key_defs; p->name != NULL; p++) {
1632
        if (!strcmp(key, p->name))
1633
            return p->keycode;
1634
    }
1635
    if (strstart(key, "0x", NULL)) {
1636
        ret = strtoul(key, &endp, 0);
1637
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1638
            return ret;
1639
    }
1640
    return -1;
1641
}
1642

    
1643
#define MAX_KEYCODES 16
1644
static uint8_t keycodes[MAX_KEYCODES];
1645
static int nb_pending_keycodes;
1646
static QEMUTimer *key_timer;
1647

    
1648
static void release_keys(void *opaque)
1649
{
1650
    int keycode;
1651

    
1652
    while (nb_pending_keycodes > 0) {
1653
        nb_pending_keycodes--;
1654
        keycode = keycodes[nb_pending_keycodes];
1655
        if (keycode & 0x80)
1656
            kbd_put_keycode(0xe0);
1657
        kbd_put_keycode(keycode | 0x80);
1658
    }
1659
}
1660

    
1661
static void do_sendkey(Monitor *mon, const QDict *qdict)
1662
{
1663
    char keyname_buf[16];
1664
    char *separator;
1665
    int keyname_len, keycode, i;
1666
    const char *string = qdict_get_str(qdict, "string");
1667
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1668
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1669

    
1670
    if (nb_pending_keycodes > 0) {
1671
        qemu_del_timer(key_timer);
1672
        release_keys(NULL);
1673
    }
1674
    if (!has_hold_time)
1675
        hold_time = 100;
1676
    i = 0;
1677
    while (1) {
1678
        separator = strchr(string, '-');
1679
        keyname_len = separator ? separator - string : strlen(string);
1680
        if (keyname_len > 0) {
1681
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1682
            if (keyname_len > sizeof(keyname_buf) - 1) {
1683
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1684
                return;
1685
            }
1686
            if (i == MAX_KEYCODES) {
1687
                monitor_printf(mon, "too many keys\n");
1688
                return;
1689
            }
1690
            keyname_buf[keyname_len] = 0;
1691
            keycode = get_keycode(keyname_buf);
1692
            if (keycode < 0) {
1693
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1694
                return;
1695
            }
1696
            keycodes[i++] = keycode;
1697
        }
1698
        if (!separator)
1699
            break;
1700
        string = separator + 1;
1701
    }
1702
    nb_pending_keycodes = i;
1703
    /* key down events */
1704
    for (i = 0; i < nb_pending_keycodes; i++) {
1705
        keycode = keycodes[i];
1706
        if (keycode & 0x80)
1707
            kbd_put_keycode(0xe0);
1708
        kbd_put_keycode(keycode & 0x7f);
1709
    }
1710
    /* delayed key up events */
1711
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1712
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1713
}
1714

    
1715
static int mouse_button_state;
1716

    
1717
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1718
{
1719
    int dx, dy, dz;
1720
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1721
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1722
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1723
    dx = strtol(dx_str, NULL, 0);
1724
    dy = strtol(dy_str, NULL, 0);
1725
    dz = 0;
1726
    if (dz_str)
1727
        dz = strtol(dz_str, NULL, 0);
1728
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1729
}
1730

    
1731
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1732
{
1733
    int button_state = qdict_get_int(qdict, "button_state");
1734
    mouse_button_state = button_state;
1735
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1736
}
1737

    
1738
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1739
{
1740
    int size = qdict_get_int(qdict, "size");
1741
    int addr = qdict_get_int(qdict, "addr");
1742
    int has_index = qdict_haskey(qdict, "index");
1743
    uint32_t val;
1744
    int suffix;
1745

    
1746
    if (has_index) {
1747
        int index = qdict_get_int(qdict, "index");
1748
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1749
        addr++;
1750
    }
1751
    addr &= 0xffff;
1752

    
1753
    switch(size) {
1754
    default:
1755
    case 1:
1756
        val = cpu_inb(addr);
1757
        suffix = 'b';
1758
        break;
1759
    case 2:
1760
        val = cpu_inw(addr);
1761
        suffix = 'w';
1762
        break;
1763
    case 4:
1764
        val = cpu_inl(addr);
1765
        suffix = 'l';
1766
        break;
1767
    }
1768
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1769
                   suffix, addr, size * 2, val);
1770
}
1771

    
1772
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1773
{
1774
    int size = qdict_get_int(qdict, "size");
1775
    int addr = qdict_get_int(qdict, "addr");
1776
    int val = qdict_get_int(qdict, "val");
1777

    
1778
    addr &= IOPORTS_MASK;
1779

    
1780
    switch (size) {
1781
    default:
1782
    case 1:
1783
        cpu_outb(addr, val);
1784
        break;
1785
    case 2:
1786
        cpu_outw(addr, val);
1787
        break;
1788
    case 4:
1789
        cpu_outl(addr, val);
1790
        break;
1791
    }
1792
}
1793

    
1794
static void do_boot_set(Monitor *mon, const QDict *qdict)
1795
{
1796
    int res;
1797
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1798

    
1799
    res = qemu_boot_set(bootdevice);
1800
    if (res == 0) {
1801
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1802
    } else if (res > 0) {
1803
        monitor_printf(mon, "setting boot device list failed\n");
1804
    } else {
1805
        monitor_printf(mon, "no function defined to set boot device list for "
1806
                       "this architecture\n");
1807
    }
1808
}
1809

    
1810
/**
1811
 * do_system_reset(): Issue a machine reset
1812
 */
1813
static void do_system_reset(Monitor *mon, const QDict *qdict,
1814
                            QObject **ret_data)
1815
{
1816
    qemu_system_reset_request();
1817
}
1818

    
1819
/**
1820
 * do_system_powerdown(): Issue a machine powerdown
1821
 */
1822
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1823
                                QObject **ret_data)
1824
{
1825
    qemu_system_powerdown_request();
1826
}
1827

    
1828
#if defined(TARGET_I386)
1829
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1830
{
1831
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1832
                   addr,
1833
                   pte & mask,
1834
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1835
                   pte & PG_PSE_MASK ? 'P' : '-',
1836
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1837
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1838
                   pte & PG_PCD_MASK ? 'C' : '-',
1839
                   pte & PG_PWT_MASK ? 'T' : '-',
1840
                   pte & PG_USER_MASK ? 'U' : '-',
1841
                   pte & PG_RW_MASK ? 'W' : '-');
1842
}
1843

    
1844
static void tlb_info(Monitor *mon)
1845
{
1846
    CPUState *env;
1847
    int l1, l2;
1848
    uint32_t pgd, pde, pte;
1849

    
1850
    env = mon_get_cpu();
1851

    
1852
    if (!(env->cr[0] & CR0_PG_MASK)) {
1853
        monitor_printf(mon, "PG disabled\n");
1854
        return;
1855
    }
1856
    pgd = env->cr[3] & ~0xfff;
1857
    for(l1 = 0; l1 < 1024; l1++) {
1858
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1859
        pde = le32_to_cpu(pde);
1860
        if (pde & PG_PRESENT_MASK) {
1861
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1862
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1863
            } else {
1864
                for(l2 = 0; l2 < 1024; l2++) {
1865
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1866
                                             (uint8_t *)&pte, 4);
1867
                    pte = le32_to_cpu(pte);
1868
                    if (pte & PG_PRESENT_MASK) {
1869
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1870
                                  pte & ~PG_PSE_MASK,
1871
                                  ~0xfff);
1872
                    }
1873
                }
1874
            }
1875
        }
1876
    }
1877
}
1878

    
1879
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1880
                      uint32_t end, int prot)
1881
{
1882
    int prot1;
1883
    prot1 = *plast_prot;
1884
    if (prot != prot1) {
1885
        if (*pstart != -1) {
1886
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1887
                           *pstart, end, end - *pstart,
1888
                           prot1 & PG_USER_MASK ? 'u' : '-',
1889
                           'r',
1890
                           prot1 & PG_RW_MASK ? 'w' : '-');
1891
        }
1892
        if (prot != 0)
1893
            *pstart = end;
1894
        else
1895
            *pstart = -1;
1896
        *plast_prot = prot;
1897
    }
1898
}
1899

    
1900
static void mem_info(Monitor *mon)
1901
{
1902
    CPUState *env;
1903
    int l1, l2, prot, last_prot;
1904
    uint32_t pgd, pde, pte, start, end;
1905

    
1906
    env = mon_get_cpu();
1907

    
1908
    if (!(env->cr[0] & CR0_PG_MASK)) {
1909
        monitor_printf(mon, "PG disabled\n");
1910
        return;
1911
    }
1912
    pgd = env->cr[3] & ~0xfff;
1913
    last_prot = 0;
1914
    start = -1;
1915
    for(l1 = 0; l1 < 1024; l1++) {
1916
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1917
        pde = le32_to_cpu(pde);
1918
        end = l1 << 22;
1919
        if (pde & PG_PRESENT_MASK) {
1920
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1921
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1922
                mem_print(mon, &start, &last_prot, end, prot);
1923
            } else {
1924
                for(l2 = 0; l2 < 1024; l2++) {
1925
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1926
                                             (uint8_t *)&pte, 4);
1927
                    pte = le32_to_cpu(pte);
1928
                    end = (l1 << 22) + (l2 << 12);
1929
                    if (pte & PG_PRESENT_MASK) {
1930
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1931
                    } else {
1932
                        prot = 0;
1933
                    }
1934
                    mem_print(mon, &start, &last_prot, end, prot);
1935
                }
1936
            }
1937
        } else {
1938
            prot = 0;
1939
            mem_print(mon, &start, &last_prot, end, prot);
1940
        }
1941
    }
1942
}
1943
#endif
1944

    
1945
#if defined(TARGET_SH4)
1946

    
1947
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1948
{
1949
    monitor_printf(mon, " tlb%i:\t"
1950
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1951
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1952
                   "dirty=%hhu writethrough=%hhu\n",
1953
                   idx,
1954
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1955
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1956
                   tlb->d, tlb->wt);
1957
}
1958

    
1959
static void tlb_info(Monitor *mon)
1960
{
1961
    CPUState *env = mon_get_cpu();
1962
    int i;
1963

    
1964
    monitor_printf (mon, "ITLB:\n");
1965
    for (i = 0 ; i < ITLB_SIZE ; i++)
1966
        print_tlb (mon, i, &env->itlb[i]);
1967
    monitor_printf (mon, "UTLB:\n");
1968
    for (i = 0 ; i < UTLB_SIZE ; i++)
1969
        print_tlb (mon, i, &env->utlb[i]);
1970
}
1971

    
1972
#endif
1973

    
1974
static void do_info_kvm_print(Monitor *mon, const QObject *data)
1975
{
1976
    QDict *qdict;
1977

    
1978
    qdict = qobject_to_qdict(data);
1979

    
1980
    monitor_printf(mon, "kvm support: ");
1981
    if (qdict_get_bool(qdict, "present")) {
1982
        monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1983
                                    "enabled" : "disabled");
1984
    } else {
1985
        monitor_printf(mon, "not compiled\n");
1986
    }
1987
}
1988

    
1989
/**
1990
 * do_info_kvm(): Show KVM information
1991
 *
1992
 * Return a QDict with the following information:
1993
 *
1994
 * - "enabled": true if KVM support is enabled, false otherwise
1995
 * - "present": true if QEMU has KVM support, false otherwise
1996
 *
1997
 * Example:
1998
 *
1999
 * { "enabled": true, "present": true }
2000
 */
2001
static void do_info_kvm(Monitor *mon, QObject **ret_data)
2002
{
2003
#ifdef CONFIG_KVM
2004
    *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
2005
                                   kvm_enabled());
2006
#else
2007
    *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
2008
#endif
2009
}
2010

    
2011
static void do_info_numa(Monitor *mon)
2012
{
2013
    int i;
2014
    CPUState *env;
2015

    
2016
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
2017
    for (i = 0; i < nb_numa_nodes; i++) {
2018
        monitor_printf(mon, "node %d cpus:", i);
2019
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
2020
            if (env->numa_node == i) {
2021
                monitor_printf(mon, " %d", env->cpu_index);
2022
            }
2023
        }
2024
        monitor_printf(mon, "\n");
2025
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
2026
            node_mem[i] >> 20);
2027
    }
2028
}
2029

    
2030
#ifdef CONFIG_PROFILER
2031

    
2032
int64_t qemu_time;
2033
int64_t dev_time;
2034

    
2035
static void do_info_profile(Monitor *mon)
2036
{
2037
    int64_t total;
2038
    total = qemu_time;
2039
    if (total == 0)
2040
        total = 1;
2041
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
2042
                   dev_time, dev_time / (double)get_ticks_per_sec());
2043
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
2044
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
2045
    qemu_time = 0;
2046
    dev_time = 0;
2047
}
2048
#else
2049
static void do_info_profile(Monitor *mon)
2050
{
2051
    monitor_printf(mon, "Internal profiler not compiled\n");
2052
}
2053
#endif
2054

    
2055
/* Capture support */
2056
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
2057

    
2058
static void do_info_capture(Monitor *mon)
2059
{
2060
    int i;
2061
    CaptureState *s;
2062

    
2063
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2064
        monitor_printf(mon, "[%d]: ", i);
2065
        s->ops.info (s->opaque);
2066
    }
2067
}
2068

    
2069
#ifdef HAS_AUDIO
2070
static void do_stop_capture(Monitor *mon, const QDict *qdict)
2071
{
2072
    int i;
2073
    int n = qdict_get_int(qdict, "n");
2074
    CaptureState *s;
2075

    
2076
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2077
        if (i == n) {
2078
            s->ops.destroy (s->opaque);
2079
            QLIST_REMOVE (s, entries);
2080
            qemu_free (s);
2081
            return;
2082
        }
2083
    }
2084
}
2085

    
2086
static void do_wav_capture(Monitor *mon, const QDict *qdict)
2087
{
2088
    const char *path = qdict_get_str(qdict, "path");
2089
    int has_freq = qdict_haskey(qdict, "freq");
2090
    int freq = qdict_get_try_int(qdict, "freq", -1);
2091
    int has_bits = qdict_haskey(qdict, "bits");
2092
    int bits = qdict_get_try_int(qdict, "bits", -1);
2093
    int has_channels = qdict_haskey(qdict, "nchannels");
2094
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
2095
    CaptureState *s;
2096

    
2097
    s = qemu_mallocz (sizeof (*s));
2098

    
2099
    freq = has_freq ? freq : 44100;
2100
    bits = has_bits ? bits : 16;
2101
    nchannels = has_channels ? nchannels : 2;
2102

    
2103
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2104
        monitor_printf(mon, "Faied to add wave capture\n");
2105
        qemu_free (s);
2106
    }
2107
    QLIST_INSERT_HEAD (&capture_head, s, entries);
2108
}
2109
#endif
2110

    
2111
#if defined(TARGET_I386)
2112
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2113
{
2114
    CPUState *env;
2115
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2116

    
2117
    for (env = first_cpu; env != NULL; env = env->next_cpu)
2118
        if (env->cpu_index == cpu_index) {
2119
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
2120
            break;
2121
        }
2122
}
2123
#endif
2124

    
2125
static void do_info_status_print(Monitor *mon, const QObject *data)
2126
{
2127
    QDict *qdict;
2128

    
2129
    qdict = qobject_to_qdict(data);
2130

    
2131
    monitor_printf(mon, "VM status: ");
2132
    if (qdict_get_bool(qdict, "running")) {
2133
        monitor_printf(mon, "running");
2134
        if (qdict_get_bool(qdict, "singlestep")) {
2135
            monitor_printf(mon, " (single step mode)");
2136
        }
2137
    } else {
2138
        monitor_printf(mon, "paused");
2139
    }
2140

    
2141
    monitor_printf(mon, "\n");
2142
}
2143

    
2144
/**
2145
 * do_info_status(): VM status
2146
 *
2147
 * Return a QDict with the following information:
2148
 *
2149
 * - "running": true if the VM is running, or false if it is paused
2150
 * - "singlestep": true if the VM is in single step mode, false otherwise
2151
 *
2152
 * Example:
2153
 *
2154
 * { "running": true, "singlestep": false }
2155
 */
2156
static void do_info_status(Monitor *mon, QObject **ret_data)
2157
{
2158
    *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2159
                                    vm_running, singlestep);
2160
}
2161

    
2162
static void print_balloon_stat(const char *key, QObject *obj, void *opaque)
2163
{
2164
    Monitor *mon = opaque;
2165

    
2166
    if (strcmp(key, "actual"))
2167
        monitor_printf(mon, ",%s=%" PRId64, key,
2168
                       qint_get_int(qobject_to_qint(obj)));
2169
}
2170

    
2171
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2172
{
2173
    QDict *qdict;
2174

    
2175
    qdict = qobject_to_qdict(data);
2176
    if (!qdict_haskey(qdict, "actual"))
2177
        return;
2178

    
2179
    monitor_printf(mon, "balloon: actual=%" PRId64,
2180
                   qdict_get_int(qdict, "actual") >> 20);
2181
    qdict_iter(qdict, print_balloon_stat, mon);
2182
    monitor_printf(mon, "\n");
2183
}
2184

    
2185
/**
2186
 * do_info_balloon(): Balloon information
2187
 *
2188
 * Make an asynchronous request for balloon info.  When the request completes
2189
 * a QDict will be returned according to the following specification:
2190
 *
2191
 * - "actual": current balloon value in bytes
2192
 * The following fields may or may not be present:
2193
 * - "mem_swapped_in": Amount of memory swapped in (bytes)
2194
 * - "mem_swapped_out": Amount of memory swapped out (bytes)
2195
 * - "major_page_faults": Number of major faults
2196
 * - "minor_page_faults": Number of minor faults
2197
 * - "free_mem": Total amount of free and unused memory (bytes)
2198
 * - "total_mem": Total amount of available memory (bytes)
2199
 *
2200
 * Example:
2201
 *
2202
 * { "actual": 1073741824, "mem_swapped_in": 0, "mem_swapped_out": 0,
2203
 *   "major_page_faults": 142, "minor_page_faults": 239245,
2204
 *   "free_mem": 1014185984, "total_mem": 1044668416 }
2205
 */
2206
static int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque)
2207
{
2208
    int ret;
2209

    
2210
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2211
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2212
        return -1;
2213
    }
2214

    
2215
    ret = qemu_balloon_status(cb, opaque);
2216
    if (!ret) {
2217
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2218
        return -1;
2219
    }
2220

    
2221
    return 0;
2222
}
2223

    
2224
/**
2225
 * do_balloon(): Request VM to change its memory allocation
2226
 */
2227
static int do_balloon(Monitor *mon, const QDict *params,
2228
                       MonitorCompletion cb, void *opaque)
2229
{
2230
    int ret;
2231

    
2232
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2233
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2234
        return -1;
2235
    }
2236

    
2237
    ret = qemu_balloon(qdict_get_int(params, "value"), cb, opaque);
2238
    if (ret == 0) {
2239
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2240
        return -1;
2241
    }
2242

    
2243
    return 0;
2244
}
2245

    
2246
static qemu_acl *find_acl(Monitor *mon, const char *name)
2247
{
2248
    qemu_acl *acl = qemu_acl_find(name);
2249

    
2250
    if (!acl) {
2251
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2252
    }
2253
    return acl;
2254
}
2255

    
2256
static void do_acl_show(Monitor *mon, const QDict *qdict)
2257
{
2258
    const char *aclname = qdict_get_str(qdict, "aclname");
2259
    qemu_acl *acl = find_acl(mon, aclname);
2260
    qemu_acl_entry *entry;
2261
    int i = 0;
2262

    
2263
    if (acl) {
2264
        monitor_printf(mon, "policy: %s\n",
2265
                       acl->defaultDeny ? "deny" : "allow");
2266
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2267
            i++;
2268
            monitor_printf(mon, "%d: %s %s\n", i,
2269
                           entry->deny ? "deny" : "allow", entry->match);
2270
        }
2271
    }
2272
}
2273

    
2274
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2275
{
2276
    const char *aclname = qdict_get_str(qdict, "aclname");
2277
    qemu_acl *acl = find_acl(mon, aclname);
2278

    
2279
    if (acl) {
2280
        qemu_acl_reset(acl);
2281
        monitor_printf(mon, "acl: removed all rules\n");
2282
    }
2283
}
2284

    
2285
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2286
{
2287
    const char *aclname = qdict_get_str(qdict, "aclname");
2288
    const char *policy = qdict_get_str(qdict, "policy");
2289
    qemu_acl *acl = find_acl(mon, aclname);
2290

    
2291
    if (acl) {
2292
        if (strcmp(policy, "allow") == 0) {
2293
            acl->defaultDeny = 0;
2294
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2295
        } else if (strcmp(policy, "deny") == 0) {
2296
            acl->defaultDeny = 1;
2297
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2298
        } else {
2299
            monitor_printf(mon, "acl: unknown policy '%s', "
2300
                           "expected 'deny' or 'allow'\n", policy);
2301
        }
2302
    }
2303
}
2304

    
2305
static void do_acl_add(Monitor *mon, const QDict *qdict)
2306
{
2307
    const char *aclname = qdict_get_str(qdict, "aclname");
2308
    const char *match = qdict_get_str(qdict, "match");
2309
    const char *policy = qdict_get_str(qdict, "policy");
2310
    int has_index = qdict_haskey(qdict, "index");
2311
    int index = qdict_get_try_int(qdict, "index", -1);
2312
    qemu_acl *acl = find_acl(mon, aclname);
2313
    int deny, ret;
2314

    
2315
    if (acl) {
2316
        if (strcmp(policy, "allow") == 0) {
2317
            deny = 0;
2318
        } else if (strcmp(policy, "deny") == 0) {
2319
            deny = 1;
2320
        } else {
2321
            monitor_printf(mon, "acl: unknown policy '%s', "
2322
                           "expected 'deny' or 'allow'\n", policy);
2323
            return;
2324
        }
2325
        if (has_index)
2326
            ret = qemu_acl_insert(acl, deny, match, index);
2327
        else
2328
            ret = qemu_acl_append(acl, deny, match);
2329
        if (ret < 0)
2330
            monitor_printf(mon, "acl: unable to add acl entry\n");
2331
        else
2332
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2333
    }
2334
}
2335

    
2336
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2337
{
2338
    const char *aclname = qdict_get_str(qdict, "aclname");
2339
    const char *match = qdict_get_str(qdict, "match");
2340
    qemu_acl *acl = find_acl(mon, aclname);
2341
    int ret;
2342

    
2343
    if (acl) {
2344
        ret = qemu_acl_remove(acl, match);
2345
        if (ret < 0)
2346
            monitor_printf(mon, "acl: no matching acl entry\n");
2347
        else
2348
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2349
    }
2350
}
2351

    
2352
#if defined(TARGET_I386)
2353
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2354
{
2355
    CPUState *cenv;
2356
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2357
    int bank = qdict_get_int(qdict, "bank");
2358
    uint64_t status = qdict_get_int(qdict, "status");
2359
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2360
    uint64_t addr = qdict_get_int(qdict, "addr");
2361
    uint64_t misc = qdict_get_int(qdict, "misc");
2362

    
2363
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2364
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2365
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2366
            break;
2367
        }
2368
}
2369
#endif
2370

    
2371
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2372
{
2373
    const char *fdname = qdict_get_str(qdict, "fdname");
2374
    mon_fd_t *monfd;
2375
    int fd;
2376

    
2377
    fd = qemu_chr_get_msgfd(mon->chr);
2378
    if (fd == -1) {
2379
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2380
        return;
2381
    }
2382

    
2383
    if (qemu_isdigit(fdname[0])) {
2384
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2385
        return;
2386
    }
2387

    
2388
    fd = dup(fd);
2389
    if (fd == -1) {
2390
        if (errno == EMFILE)
2391
            qemu_error_new(QERR_TOO_MANY_FILES);
2392
        else
2393
            qemu_error_new(QERR_UNDEFINED_ERROR);
2394
        return;
2395
    }
2396

    
2397
    QLIST_FOREACH(monfd, &mon->fds, next) {
2398
        if (strcmp(monfd->name, fdname) != 0) {
2399
            continue;
2400
        }
2401

    
2402
        close(monfd->fd);
2403
        monfd->fd = fd;
2404
        return;
2405
    }
2406

    
2407
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2408
    monfd->name = qemu_strdup(fdname);
2409
    monfd->fd = fd;
2410

    
2411
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2412
}
2413

    
2414
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2415
{
2416
    const char *fdname = qdict_get_str(qdict, "fdname");
2417
    mon_fd_t *monfd;
2418

    
2419
    QLIST_FOREACH(monfd, &mon->fds, next) {
2420
        if (strcmp(monfd->name, fdname) != 0) {
2421
            continue;
2422
        }
2423

    
2424
        QLIST_REMOVE(monfd, next);
2425
        close(monfd->fd);
2426
        qemu_free(monfd->name);
2427
        qemu_free(monfd);
2428
        return;
2429
    }
2430

    
2431
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2432
}
2433

    
2434
static void do_loadvm(Monitor *mon, const QDict *qdict)
2435
{
2436
    int saved_vm_running  = vm_running;
2437
    const char *name = qdict_get_str(qdict, "name");
2438

    
2439
    vm_stop(0);
2440

    
2441
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2442
        vm_start();
2443
}
2444

    
2445
int monitor_get_fd(Monitor *mon, const char *fdname)
2446
{
2447
    mon_fd_t *monfd;
2448

    
2449
    QLIST_FOREACH(monfd, &mon->fds, next) {
2450
        int fd;
2451

    
2452
        if (strcmp(monfd->name, fdname) != 0) {
2453
            continue;
2454
        }
2455

    
2456
        fd = monfd->fd;
2457

    
2458
        /* caller takes ownership of fd */
2459
        QLIST_REMOVE(monfd, next);
2460
        qemu_free(monfd->name);
2461
        qemu_free(monfd);
2462

    
2463
        return fd;
2464
    }
2465

    
2466
    return -1;
2467
}
2468

    
2469
static const mon_cmd_t mon_cmds[] = {
2470
#include "qemu-monitor.h"
2471
    { NULL, NULL, },
2472
};
2473

    
2474
/* Please update qemu-monitor.hx when adding or changing commands */
2475
static const mon_cmd_t info_cmds[] = {
2476
    {
2477
        .name       = "version",
2478
        .args_type  = "",
2479
        .params     = "",
2480
        .help       = "show the version of QEMU",
2481
        .user_print = do_info_version_print,
2482
        .mhandler.info_new = do_info_version,
2483
    },
2484
    {
2485
        .name       = "commands",
2486
        .args_type  = "",
2487
        .params     = "",
2488
        .help       = "list QMP available commands",
2489
        .user_print = monitor_user_noop,
2490
        .mhandler.info_new = do_info_commands,
2491
    },
2492
    {
2493
        .name       = "network",
2494
        .args_type  = "",
2495
        .params     = "",
2496
        .help       = "show the network state",
2497
        .mhandler.info = do_info_network,
2498
    },
2499
    {
2500
        .name       = "chardev",
2501
        .args_type  = "",
2502
        .params     = "",
2503
        .help       = "show the character devices",
2504
        .user_print = qemu_chr_info_print,
2505
        .mhandler.info_new = qemu_chr_info,
2506
    },
2507
    {
2508
        .name       = "block",
2509
        .args_type  = "",
2510
        .params     = "",
2511
        .help       = "show the block devices",
2512
        .user_print = bdrv_info_print,
2513
        .mhandler.info_new = bdrv_info,
2514
    },
2515
    {
2516
        .name       = "blockstats",
2517
        .args_type  = "",
2518
        .params     = "",
2519
        .help       = "show block device statistics",
2520
        .user_print = bdrv_stats_print,
2521
        .mhandler.info_new = bdrv_info_stats,
2522
    },
2523
    {
2524
        .name       = "registers",
2525
        .args_type  = "",
2526
        .params     = "",
2527
        .help       = "show the cpu registers",
2528
        .mhandler.info = do_info_registers,
2529
    },
2530
    {
2531
        .name       = "cpus",
2532
        .args_type  = "",
2533
        .params     = "",
2534
        .help       = "show infos for each CPU",
2535
        .user_print = monitor_print_cpus,
2536
        .mhandler.info_new = do_info_cpus,
2537
    },
2538
    {
2539
        .name       = "history",
2540
        .args_type  = "",
2541
        .params     = "",
2542
        .help       = "show the command line history",
2543
        .mhandler.info = do_info_history,
2544
    },
2545
    {
2546
        .name       = "irq",
2547
        .args_type  = "",
2548
        .params     = "",
2549
        .help       = "show the interrupts statistics (if available)",
2550
        .mhandler.info = irq_info,
2551
    },
2552
    {
2553
        .name       = "pic",
2554
        .args_type  = "",
2555
        .params     = "",
2556
        .help       = "show i8259 (PIC) state",
2557
        .mhandler.info = pic_info,
2558
    },
2559
    {
2560
        .name       = "pci",
2561
        .args_type  = "",
2562
        .params     = "",
2563
        .help       = "show PCI info",
2564
        .user_print = do_pci_info_print,
2565
        .mhandler.info_new = do_pci_info,
2566
    },
2567
#if defined(TARGET_I386) || defined(TARGET_SH4)
2568
    {
2569
        .name       = "tlb",
2570
        .args_type  = "",
2571
        .params     = "",
2572
        .help       = "show virtual to physical memory mappings",
2573
        .mhandler.info = tlb_info,
2574
    },
2575
#endif
2576
#if defined(TARGET_I386)
2577
    {
2578
        .name       = "mem",
2579
        .args_type  = "",
2580
        .params     = "",
2581
        .help       = "show the active virtual memory mappings",
2582
        .mhandler.info = mem_info,
2583
    },
2584
    {
2585
        .name       = "hpet",
2586
        .args_type  = "",
2587
        .params     = "",
2588
        .help       = "show state of HPET",
2589
        .user_print = do_info_hpet_print,
2590
        .mhandler.info_new = do_info_hpet,
2591
    },
2592
#endif
2593
    {
2594
        .name       = "jit",
2595
        .args_type  = "",
2596
        .params     = "",
2597
        .help       = "show dynamic compiler info",
2598
        .mhandler.info = do_info_jit,
2599
    },
2600
    {
2601
        .name       = "kvm",
2602
        .args_type  = "",
2603
        .params     = "",
2604
        .help       = "show KVM information",
2605
        .user_print = do_info_kvm_print,
2606
        .mhandler.info_new = do_info_kvm,
2607
    },
2608
    {
2609
        .name       = "numa",
2610
        .args_type  = "",
2611
        .params     = "",
2612
        .help       = "show NUMA information",
2613
        .mhandler.info = do_info_numa,
2614
    },
2615
    {
2616
        .name       = "usb",
2617
        .args_type  = "",
2618
        .params     = "",
2619
        .help       = "show guest USB devices",
2620
        .mhandler.info = usb_info,
2621
    },
2622
    {
2623
        .name       = "usbhost",
2624
        .args_type  = "",
2625
        .params     = "",
2626
        .help       = "show host USB devices",
2627
        .mhandler.info = usb_host_info,
2628
    },
2629
    {
2630
        .name       = "profile",
2631
        .args_type  = "",
2632
        .params     = "",
2633
        .help       = "show profiling information",
2634
        .mhandler.info = do_info_profile,
2635
    },
2636
    {
2637
        .name       = "capture",
2638
        .args_type  = "",
2639
        .params     = "",
2640
        .help       = "show capture information",
2641
        .mhandler.info = do_info_capture,
2642
    },
2643
    {
2644
        .name       = "snapshots",
2645
        .args_type  = "",
2646
        .params     = "",
2647
        .help       = "show the currently saved VM snapshots",
2648
        .mhandler.info = do_info_snapshots,
2649
    },
2650
    {
2651
        .name       = "status",
2652
        .args_type  = "",
2653
        .params     = "",
2654
        .help       = "show the current VM status (running|paused)",
2655
        .user_print = do_info_status_print,
2656
        .mhandler.info_new = do_info_status,
2657
    },
2658
    {
2659
        .name       = "pcmcia",
2660
        .args_type  = "",
2661
        .params     = "",
2662
        .help       = "show guest PCMCIA status",
2663
        .mhandler.info = pcmcia_info,
2664
    },
2665
    {
2666
        .name       = "mice",
2667
        .args_type  = "",
2668
        .params     = "",
2669
        .help       = "show which guest mouse is receiving events",
2670
        .user_print = do_info_mice_print,
2671
        .mhandler.info_new = do_info_mice,
2672
    },
2673
    {
2674
        .name       = "vnc",
2675
        .args_type  = "",
2676
        .params     = "",
2677
        .help       = "show the vnc server status",
2678
        .user_print = do_info_vnc_print,
2679
        .mhandler.info_new = do_info_vnc,
2680
    },
2681
    {
2682
        .name       = "name",
2683
        .args_type  = "",
2684
        .params     = "",
2685
        .help       = "show the current VM name",
2686
        .user_print = do_info_name_print,
2687
        .mhandler.info_new = do_info_name,
2688
    },
2689
    {
2690
        .name       = "uuid",
2691
        .args_type  = "",
2692
        .params     = "",
2693
        .help       = "show the current VM UUID",
2694
        .user_print = do_info_uuid_print,
2695
        .mhandler.info_new = do_info_uuid,
2696
    },
2697
#if defined(TARGET_PPC)
2698
    {
2699
        .name       = "cpustats",
2700
        .args_type  = "",
2701
        .params     = "",
2702
        .help       = "show CPU statistics",
2703
        .mhandler.info = do_info_cpu_stats,
2704
    },
2705
#endif
2706
#if defined(CONFIG_SLIRP)
2707
    {
2708
        .name       = "usernet",
2709
        .args_type  = "",
2710
        .params     = "",
2711
        .help       = "show user network stack connection states",
2712
        .mhandler.info = do_info_usernet,
2713
    },
2714
#endif
2715
    {
2716
        .name       = "migrate",
2717
        .args_type  = "",
2718
        .params     = "",
2719
        .help       = "show migration status",
2720
        .user_print = do_info_migrate_print,
2721
        .mhandler.info_new = do_info_migrate,
2722
    },
2723
    {
2724
        .name       = "balloon",
2725
        .args_type  = "",
2726
        .params     = "",
2727
        .help       = "show balloon information",
2728
        .user_print = monitor_print_balloon,
2729
        .mhandler.info_async = do_info_balloon,
2730
        .async      = 1,
2731
    },
2732
    {
2733
        .name       = "qtree",
2734
        .args_type  = "",
2735
        .params     = "",
2736
        .help       = "show device tree",
2737
        .mhandler.info = do_info_qtree,
2738
    },
2739
    {
2740
        .name       = "qdm",
2741
        .args_type  = "",
2742
        .params     = "",
2743
        .help       = "show qdev device model list",
2744
        .mhandler.info = do_info_qdm,
2745
    },
2746
    {
2747
        .name       = "roms",
2748
        .args_type  = "",
2749
        .params     = "",
2750
        .help       = "show roms",
2751
        .mhandler.info = do_info_roms,
2752
    },
2753
    {
2754
        .name       = NULL,
2755
    },
2756
};
2757

    
2758
/*******************************************************************/
2759

    
2760
static const char *pch;
2761
static jmp_buf expr_env;
2762

    
2763
#define MD_TLONG 0
2764
#define MD_I32   1
2765

    
2766
typedef struct MonitorDef {
2767
    const char *name;
2768
    int offset;
2769
    target_long (*get_value)(const struct MonitorDef *md, int val);
2770
    int type;
2771
} MonitorDef;
2772

    
2773
#if defined(TARGET_I386)
2774
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2775
{
2776
    CPUState *env = mon_get_cpu();
2777
    return env->eip + env->segs[R_CS].base;
2778
}
2779
#endif
2780

    
2781
#if defined(TARGET_PPC)
2782
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2783
{
2784
    CPUState *env = mon_get_cpu();
2785
    unsigned int u;
2786
    int i;
2787

    
2788
    u = 0;
2789
    for (i = 0; i < 8; i++)
2790
        u |= env->crf[i] << (32 - (4 * i));
2791

    
2792
    return u;
2793
}
2794

    
2795
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2796
{
2797
    CPUState *env = mon_get_cpu();
2798
    return env->msr;
2799
}
2800

    
2801
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2802
{
2803
    CPUState *env = mon_get_cpu();
2804
    return env->xer;
2805
}
2806

    
2807
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2808
{
2809
    CPUState *env = mon_get_cpu();
2810
    return cpu_ppc_load_decr(env);
2811
}
2812

    
2813
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2814
{
2815
    CPUState *env = mon_get_cpu();
2816
    return cpu_ppc_load_tbu(env);
2817
}
2818

    
2819
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2820
{
2821
    CPUState *env = mon_get_cpu();
2822
    return cpu_ppc_load_tbl(env);
2823
}
2824
#endif
2825

    
2826
#if defined(TARGET_SPARC)
2827
#ifndef TARGET_SPARC64
2828
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2829
{
2830
    CPUState *env = mon_get_cpu();
2831
    return GET_PSR(env);
2832
}
2833
#endif
2834

    
2835
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2836
{
2837
    CPUState *env = mon_get_cpu();
2838
    return env->regwptr[val];
2839
}
2840
#endif
2841

    
2842
static const MonitorDef monitor_defs[] = {
2843
#ifdef TARGET_I386
2844

    
2845
#define SEG(name, seg) \
2846
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2847
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2848
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2849

    
2850
    { "eax", offsetof(CPUState, regs[0]) },
2851
    { "ecx", offsetof(CPUState, regs[1]) },
2852
    { "edx", offsetof(CPUState, regs[2]) },
2853
    { "ebx", offsetof(CPUState, regs[3]) },
2854
    { "esp|sp", offsetof(CPUState, regs[4]) },
2855
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2856
    { "esi", offsetof(CPUState, regs[6]) },
2857
    { "edi", offsetof(CPUState, regs[7]) },
2858
#ifdef TARGET_X86_64
2859
    { "r8", offsetof(CPUState, regs[8]) },
2860
    { "r9", offsetof(CPUState, regs[9]) },
2861
    { "r10", offsetof(CPUState, regs[10]) },
2862
    { "r11", offsetof(CPUState, regs[11]) },
2863
    { "r12", offsetof(CPUState, regs[12]) },
2864
    { "r13", offsetof(CPUState, regs[13]) },
2865
    { "r14", offsetof(CPUState, regs[14]) },
2866
    { "r15", offsetof(CPUState, regs[15]) },
2867
#endif
2868
    { "eflags", offsetof(CPUState, eflags) },
2869
    { "eip", offsetof(CPUState, eip) },
2870
    SEG("cs", R_CS)
2871
    SEG("ds", R_DS)
2872
    SEG("es", R_ES)
2873
    SEG("ss", R_SS)
2874
    SEG("fs", R_FS)
2875
    SEG("gs", R_GS)
2876
    { "pc", 0, monitor_get_pc, },
2877
#elif defined(TARGET_PPC)
2878
    /* General purpose registers */
2879
    { "r0", offsetof(CPUState, gpr[0]) },
2880
    { "r1", offsetof(CPUState, gpr[1]) },
2881
    { "r2", offsetof(CPUState, gpr[2]) },
2882
    { "r3", offsetof(CPUState, gpr[3]) },
2883
    { "r4", offsetof(CPUState, gpr[4]) },
2884
    { "r5", offsetof(CPUState, gpr[5]) },
2885
    { "r6", offsetof(CPUState, gpr[6]) },
2886
    { "r7", offsetof(CPUState, gpr[7]) },
2887
    { "r8", offsetof(CPUState, gpr[8]) },
2888
    { "r9", offsetof(CPUState, gpr[9]) },
2889
    { "r10", offsetof(CPUState, gpr[10]) },
2890
    { "r11", offsetof(CPUState, gpr[11]) },
2891
    { "r12", offsetof(CPUState, gpr[12]) },
2892
    { "r13", offsetof(CPUState, gpr[13]) },
2893
    { "r14", offsetof(CPUState, gpr[14]) },
2894
    { "r15", offsetof(CPUState, gpr[15]) },
2895
    { "r16", offsetof(CPUState, gpr[16]) },
2896
    { "r17", offsetof(CPUState, gpr[17]) },
2897
    { "r18", offsetof(CPUState, gpr[18]) },
2898
    { "r19", offsetof(CPUState, gpr[19]) },
2899
    { "r20", offsetof(CPUState, gpr[20]) },
2900
    { "r21", offsetof(CPUState, gpr[21]) },
2901
    { "r22", offsetof(CPUState, gpr[22]) },
2902
    { "r23", offsetof(CPUState, gpr[23]) },
2903
    { "r24", offsetof(CPUState, gpr[24]) },
2904
    { "r25", offsetof(CPUState, gpr[25]) },
2905
    { "r26", offsetof(CPUState, gpr[26]) },
2906
    { "r27", offsetof(CPUState, gpr[27]) },
2907
    { "r28", offsetof(CPUState, gpr[28]) },
2908
    { "r29", offsetof(CPUState, gpr[29]) },
2909
    { "r30", offsetof(CPUState, gpr[30]) },
2910
    { "r31", offsetof(CPUState, gpr[31]) },
2911
    /* Floating point registers */
2912
    { "f0", offsetof(CPUState, fpr[0]) },
2913
    { "f1", offsetof(CPUState, fpr[1]) },
2914
    { "f2", offsetof(CPUState, fpr[2]) },
2915
    { "f3", offsetof(CPUState, fpr[3]) },
2916
    { "f4", offsetof(CPUState, fpr[4]) },
2917
    { "f5", offsetof(CPUState, fpr[5]) },
2918
    { "f6", offsetof(CPUState, fpr[6]) },
2919
    { "f7", offsetof(CPUState, fpr[7]) },
2920
    { "f8", offsetof(CPUState, fpr[8]) },
2921
    { "f9", offsetof(CPUState, fpr[9]) },
2922
    { "f10", offsetof(CPUState, fpr[10]) },
2923
    { "f11", offsetof(CPUState, fpr[11]) },
2924
    { "f12", offsetof(CPUState, fpr[12]) },
2925
    { "f13", offsetof(CPUState, fpr[13]) },
2926
    { "f14", offsetof(CPUState, fpr[14]) },
2927
    { "f15", offsetof(CPUState, fpr[15]) },
2928
    { "f16", offsetof(CPUState, fpr[16]) },
2929
    { "f17", offsetof(CPUState, fpr[17]) },
2930
    { "f18", offsetof(CPUState, fpr[18]) },
2931
    { "f19", offsetof(CPUState, fpr[19]) },
2932
    { "f20", offsetof(CPUState, fpr[20]) },
2933
    { "f21", offsetof(CPUState, fpr[21]) },
2934
    { "f22", offsetof(CPUState, fpr[22]) },
2935
    { "f23", offsetof(CPUState, fpr[23]) },
2936
    { "f24", offsetof(CPUState, fpr[24]) },
2937
    { "f25", offsetof(CPUState, fpr[25]) },
2938
    { "f26", offsetof(CPUState, fpr[26]) },
2939
    { "f27", offsetof(CPUState, fpr[27]) },
2940
    { "f28", offsetof(CPUState, fpr[28]) },
2941
    { "f29", offsetof(CPUState, fpr[29]) },
2942
    { "f30", offsetof(CPUState, fpr[30]) },
2943
    { "f31", offsetof(CPUState, fpr[31]) },
2944
    { "fpscr", offsetof(CPUState, fpscr) },
2945
    /* Next instruction pointer */
2946
    { "nip|pc", offsetof(CPUState, nip) },
2947
    { "lr", offsetof(CPUState, lr) },
2948
    { "ctr", offsetof(CPUState, ctr) },
2949
    { "decr", 0, &monitor_get_decr, },
2950
    { "ccr", 0, &monitor_get_ccr, },
2951
    /* Machine state register */
2952
    { "msr", 0, &monitor_get_msr, },
2953
    { "xer", 0, &monitor_get_xer, },
2954
    { "tbu", 0, &monitor_get_tbu, },
2955
    { "tbl", 0, &monitor_get_tbl, },
2956
#if defined(TARGET_PPC64)
2957
    /* Address space register */
2958
    { "asr", offsetof(CPUState, asr) },
2959
#endif
2960
    /* Segment registers */
2961
    { "sdr1", offsetof(CPUState, sdr1) },
2962
    { "sr0", offsetof(CPUState, sr[0]) },
2963
    { "sr1", offsetof(CPUState, sr[1]) },
2964
    { "sr2", offsetof(CPUState, sr[2]) },
2965
    { "sr3", offsetof(CPUState, sr[3]) },
2966
    { "sr4", offsetof(CPUState, sr[4]) },
2967
    { "sr5", offsetof(CPUState, sr[5]) },
2968
    { "sr6", offsetof(CPUState, sr[6]) },
2969
    { "sr7", offsetof(CPUState, sr[7]) },
2970
    { "sr8", offsetof(CPUState, sr[8]) },
2971
    { "sr9", offsetof(CPUState, sr[9]) },
2972
    { "sr10", offsetof(CPUState, sr[10]) },
2973
    { "sr11", offsetof(CPUState, sr[11]) },
2974
    { "sr12", offsetof(CPUState, sr[12]) },
2975
    { "sr13", offsetof(CPUState, sr[13]) },
2976
    { "sr14", offsetof(CPUState, sr[14]) },
2977
    { "sr15", offsetof(CPUState, sr[15]) },
2978
    /* Too lazy to put BATs and SPRs ... */
2979
#elif defined(TARGET_SPARC)
2980
    { "g0", offsetof(CPUState, gregs[0]) },
2981
    { "g1", offsetof(CPUState, gregs[1]) },
2982
    { "g2", offsetof(CPUState, gregs[2]) },
2983
    { "g3", offsetof(CPUState, gregs[3]) },
2984
    { "g4", offsetof(CPUState, gregs[4]) },
2985
    { "g5", offsetof(CPUState, gregs[5]) },
2986
    { "g6", offsetof(CPUState, gregs[6]) },
2987
    { "g7", offsetof(CPUState, gregs[7]) },
2988
    { "o0", 0, monitor_get_reg },
2989
    { "o1", 1, monitor_get_reg },
2990
    { "o2", 2, monitor_get_reg },
2991
    { "o3", 3, monitor_get_reg },
2992
    { "o4", 4, monitor_get_reg },
2993
    { "o5", 5, monitor_get_reg },
2994
    { "o6", 6, monitor_get_reg },
2995
    { "o7", 7, monitor_get_reg },
2996
    { "l0", 8, monitor_get_reg },
2997
    { "l1", 9, monitor_get_reg },
2998
    { "l2", 10, monitor_get_reg },
2999
    { "l3", 11, monitor_get_reg },
3000
    { "l4", 12, monitor_get_reg },
3001
    { "l5", 13, monitor_get_reg },
3002
    { "l6", 14, monitor_get_reg },
3003
    { "l7", 15, monitor_get_reg },
3004
    { "i0", 16, monitor_get_reg },
3005
    { "i1", 17, monitor_get_reg },
3006
    { "i2", 18, monitor_get_reg },
3007
    { "i3", 19, monitor_get_reg },
3008
    { "i4", 20, monitor_get_reg },
3009
    { "i5", 21, monitor_get_reg },
3010
    { "i6", 22, monitor_get_reg },
3011
    { "i7", 23, monitor_get_reg },
3012
    { "pc", offsetof(CPUState, pc) },
3013
    { "npc", offsetof(CPUState, npc) },
3014
    { "y", offsetof(CPUState, y) },
3015
#ifndef TARGET_SPARC64
3016
    { "psr", 0, &monitor_get_psr, },
3017
    { "wim", offsetof(CPUState, wim) },
3018
#endif
3019
    { "tbr", offsetof(CPUState, tbr) },
3020
    { "fsr", offsetof(CPUState, fsr) },
3021
    { "f0", offsetof(CPUState, fpr[0]) },
3022
    { "f1", offsetof(CPUState, fpr[1]) },
3023
    { "f2", offsetof(CPUState, fpr[2]) },
3024
    { "f3", offsetof(CPUState, fpr[3]) },
3025
    { "f4", offsetof(CPUState, fpr[4]) },
3026
    { "f5", offsetof(CPUState, fpr[5]) },
3027
    { "f6", offsetof(CPUState, fpr[6]) },
3028
    { "f7", offsetof(CPUState, fpr[7]) },
3029
    { "f8", offsetof(CPUState, fpr[8]) },
3030
    { "f9", offsetof(CPUState, fpr[9]) },
3031
    { "f10", offsetof(CPUState, fpr[10]) },
3032
    { "f11", offsetof(CPUState, fpr[11]) },
3033
    { "f12", offsetof(CPUState, fpr[12]) },
3034
    { "f13", offsetof(CPUState, fpr[13]) },
3035
    { "f14", offsetof(CPUState, fpr[14]) },
3036
    { "f15", offsetof(CPUState, fpr[15]) },
3037
    { "f16", offsetof(CPUState, fpr[16]) },
3038
    { "f17", offsetof(CPUState, fpr[17]) },
3039
    { "f18", offsetof(CPUState, fpr[18]) },
3040
    { "f19", offsetof(CPUState, fpr[19]) },
3041
    { "f20", offsetof(CPUState, fpr[20]) },
3042
    { "f21", offsetof(CPUState, fpr[21]) },
3043
    { "f22", offsetof(CPUState, fpr[22]) },
3044
    { "f23", offsetof(CPUState, fpr[23]) },
3045
    { "f24", offsetof(CPUState, fpr[24]) },
3046
    { "f25", offsetof(CPUState, fpr[25]) },
3047
    { "f26", offsetof(CPUState, fpr[26]) },
3048
    { "f27", offsetof(CPUState, fpr[27]) },
3049
    { "f28", offsetof(CPUState, fpr[28]) },
3050
    { "f29", offsetof(CPUState, fpr[29]) },
3051
    { "f30", offsetof(CPUState, fpr[30]) },
3052
    { "f31", offsetof(CPUState, fpr[31]) },
3053
#ifdef TARGET_SPARC64
3054
    { "f32", offsetof(CPUState, fpr[32]) },
3055
    { "f34", offsetof(CPUState, fpr[34]) },
3056
    { "f36", offsetof(CPUState, fpr[36]) },
3057
    { "f38", offsetof(CPUState, fpr[38]) },
3058
    { "f40", offsetof(CPUState, fpr[40]) },
3059
    { "f42", offsetof(CPUState, fpr[42]) },
3060
    { "f44", offsetof(CPUState, fpr[44]) },
3061
    { "f46", offsetof(CPUState, fpr[46]) },
3062
    { "f48", offsetof(CPUState, fpr[48]) },
3063
    { "f50", offsetof(CPUState, fpr[50]) },
3064
    { "f52", offsetof(CPUState, fpr[52]) },
3065
    { "f54", offsetof(CPUState, fpr[54]) },
3066
    { "f56", offsetof(CPUState, fpr[56]) },
3067
    { "f58", offsetof(CPUState, fpr[58]) },
3068
    { "f60", offsetof(CPUState, fpr[60]) },
3069
    { "f62", offsetof(CPUState, fpr[62]) },
3070
    { "asi", offsetof(CPUState, asi) },
3071
    { "pstate", offsetof(CPUState, pstate) },
3072
    { "cansave", offsetof(CPUState, cansave) },
3073
    { "canrestore", offsetof(CPUState, canrestore) },
3074
    { "otherwin", offsetof(CPUState, otherwin) },
3075
    { "wstate", offsetof(CPUState, wstate) },
3076
    { "cleanwin", offsetof(CPUState, cleanwin) },
3077
    { "fprs", offsetof(CPUState, fprs) },
3078
#endif
3079
#endif
3080
    { NULL },
3081
};
3082

    
3083
static void expr_error(Monitor *mon, const char *msg)
3084
{
3085
    monitor_printf(mon, "%s\n", msg);
3086
    longjmp(expr_env, 1);
3087
}
3088

    
3089
/* return 0 if OK, -1 if not found */
3090
static int get_monitor_def(target_long *pval, const char *name)
3091
{
3092
    const MonitorDef *md;
3093
    void *ptr;
3094

    
3095
    for(md = monitor_defs; md->name != NULL; md++) {
3096
        if (compare_cmd(name, md->name)) {
3097
            if (md->get_value) {
3098
                *pval = md->get_value(md, md->offset);
3099
            } else {
3100
                CPUState *env = mon_get_cpu();
3101
                ptr = (uint8_t *)env + md->offset;
3102
                switch(md->type) {
3103
                case MD_I32:
3104
                    *pval = *(int32_t *)ptr;
3105
                    break;
3106
                case MD_TLONG:
3107
                    *pval = *(target_long *)ptr;
3108
                    break;
3109
                default:
3110
                    *pval = 0;
3111
                    break;
3112
                }
3113
            }
3114
            return 0;
3115
        }
3116
    }
3117
    return -1;
3118
}
3119

    
3120
static void next(void)
3121
{
3122
    if (*pch != '\0') {
3123
        pch++;
3124
        while (qemu_isspace(*pch))
3125
            pch++;
3126
    }
3127
}
3128

    
3129
static int64_t expr_sum(Monitor *mon);
3130

    
3131
static int64_t expr_unary(Monitor *mon)
3132
{
3133
    int64_t n;
3134
    char *p;
3135
    int ret;
3136

    
3137
    switch(*pch) {
3138
    case '+':
3139
        next();
3140
        n = expr_unary(mon);
3141
        break;
3142
    case '-':
3143
        next();
3144
        n = -expr_unary(mon);
3145
        break;
3146
    case '~':
3147
        next();
3148
        n = ~expr_unary(mon);
3149
        break;
3150
    case '(':
3151
        next();
3152
        n = expr_sum(mon);
3153
        if (*pch != ')') {
3154
            expr_error(mon, "')' expected");
3155
        }
3156
        next();
3157
        break;
3158
    case '\'':
3159
        pch++;
3160
        if (*pch == '\0')
3161
            expr_error(mon, "character constant expected");
3162
        n = *pch;
3163
        pch++;
3164
        if (*pch != '\'')
3165
            expr_error(mon, "missing terminating \' character");
3166
        next();
3167
        break;
3168
    case '$':
3169
        {
3170
            char buf[128], *q;
3171
            target_long reg=0;
3172

    
3173
            pch++;
3174
            q = buf;
3175
            while ((*pch >= 'a' && *pch <= 'z') ||
3176
                   (*pch >= 'A' && *pch <= 'Z') ||
3177
                   (*pch >= '0' && *pch <= '9') ||
3178
                   *pch == '_' || *pch == '.') {
3179
                if ((q - buf) < sizeof(buf) - 1)
3180
                    *q++ = *pch;
3181
                pch++;
3182
            }
3183
            while (qemu_isspace(*pch))
3184
                pch++;
3185
            *q = 0;
3186
            ret = get_monitor_def(&reg, buf);
3187
            if (ret < 0)
3188
                expr_error(mon, "unknown register");
3189
            n = reg;
3190
        }
3191
        break;
3192
    case '\0':
3193
        expr_error(mon, "unexpected end of expression");
3194
        n = 0;
3195
        break;
3196
    default:
3197
#if TARGET_PHYS_ADDR_BITS > 32
3198
        n = strtoull(pch, &p, 0);
3199
#else
3200
        n = strtoul(pch, &p, 0);
3201
#endif
3202
        if (pch == p) {
3203
            expr_error(mon, "invalid char in expression");
3204
        }
3205
        pch = p;
3206
        while (qemu_isspace(*pch))
3207
            pch++;
3208
        break;
3209
    }
3210
    return n;
3211
}
3212

    
3213

    
3214
static int64_t expr_prod(Monitor *mon)
3215
{
3216
    int64_t val, val2;
3217
    int op;
3218

    
3219
    val = expr_unary(mon);
3220
    for(;;) {
3221
        op = *pch;
3222
        if (op != '*' && op != '/' && op != '%')
3223
            break;
3224
        next();
3225
        val2 = expr_unary(mon);
3226
        switch(op) {
3227
        default:
3228
        case '*':
3229
            val *= val2;
3230
            break;
3231
        case '/':
3232
        case '%':
3233
            if (val2 == 0)
3234
                expr_error(mon, "division by zero");
3235
            if (op == '/')
3236
                val /= val2;
3237
            else
3238
                val %= val2;
3239
            break;
3240
        }
3241
    }
3242
    return val;
3243
}
3244

    
3245
static int64_t expr_logic(Monitor *mon)
3246
{
3247
    int64_t val, val2;
3248
    int op;
3249

    
3250
    val = expr_prod(mon);
3251
    for(;;) {
3252
        op = *pch;
3253
        if (op != '&' && op != '|' && op != '^')
3254
            break;
3255
        next();
3256
        val2 = expr_prod(mon);
3257
        switch(op) {
3258
        default:
3259
        case '&':
3260
            val &= val2;
3261
            break;
3262
        case '|':
3263
            val |= val2;
3264
            break;
3265
        case '^':
3266
            val ^= val2;
3267
            break;
3268
        }
3269
    }
3270
    return val;
3271
}
3272

    
3273
static int64_t expr_sum(Monitor *mon)
3274
{
3275
    int64_t val, val2;
3276
    int op;
3277

    
3278
    val = expr_logic(mon);
3279
    for(;;) {
3280
        op = *pch;
3281
        if (op != '+' && op != '-')
3282
            break;
3283
        next();
3284
        val2 = expr_logic(mon);
3285
        if (op == '+')
3286
            val += val2;
3287
        else
3288
            val -= val2;
3289
    }
3290
    return val;
3291
}
3292

    
3293
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3294
{
3295
    pch = *pp;
3296
    if (setjmp(expr_env)) {
3297
        *pp = pch;
3298
        return -1;
3299
    }
3300
    while (qemu_isspace(*pch))
3301
        pch++;
3302
    *pval = expr_sum(mon);
3303
    *pp = pch;
3304
    return 0;
3305
}
3306

    
3307
static int get_double(Monitor *mon, double *pval, const char **pp)
3308
{
3309
    const char *p = *pp;
3310
    char *tailp;
3311
    double d;
3312

    
3313
    d = strtod(p, &tailp);
3314
    if (tailp == p) {
3315
        monitor_printf(mon, "Number expected\n");
3316
        return -1;
3317
    }
3318
    if (d != d || d - d != 0) {
3319
        /* NaN or infinity */
3320
        monitor_printf(mon, "Bad number\n");
3321
        return -1;
3322
    }
3323
    *pval = d;
3324
    *pp = tailp;
3325
    return 0;
3326
}
3327

    
3328
static int get_str(char *buf, int buf_size, const char **pp)
3329
{
3330
    const char *p;
3331
    char *q;
3332
    int c;
3333

    
3334
    q = buf;
3335
    p = *pp;
3336
    while (qemu_isspace(*p))
3337
        p++;
3338
    if (*p == '\0') {
3339
    fail:
3340
        *q = '\0';
3341
        *pp = p;
3342
        return -1;
3343
    }
3344
    if (*p == '\"') {
3345
        p++;
3346
        while (*p != '\0' && *p != '\"') {
3347
            if (*p == '\\') {
3348
                p++;
3349
                c = *p++;
3350
                switch(c) {
3351
                case 'n':
3352
                    c = '\n';
3353
                    break;
3354
                case 'r':
3355
                    c = '\r';
3356
                    break;
3357
                case '\\':
3358
                case '\'':
3359
                case '\"':
3360
                    break;
3361
                default:
3362
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3363
                    goto fail;
3364
                }
3365
                if ((q - buf) < buf_size - 1) {
3366
                    *q++ = c;
3367
                }
3368
            } else {
3369
                if ((q - buf) < buf_size - 1) {
3370
                    *q++ = *p;
3371
                }
3372
                p++;
3373
            }
3374
        }
3375
        if (*p != '\"') {
3376
            qemu_printf("unterminated string\n");
3377
            goto fail;
3378
        }
3379
        p++;
3380
    } else {
3381
        while (*p != '\0' && !qemu_isspace(*p)) {
3382
            if ((q - buf) < buf_size - 1) {
3383
                *q++ = *p;
3384
            }
3385
            p++;
3386
        }
3387
    }
3388
    *q = '\0';
3389
    *pp = p;
3390
    return 0;
3391
}
3392

    
3393
/*
3394
 * Store the command-name in cmdname, and return a pointer to
3395
 * the remaining of the command string.
3396
 */
3397
static const char *get_command_name(const char *cmdline,
3398
                                    char *cmdname, size_t nlen)
3399
{
3400
    size_t len;
3401
    const char *p, *pstart;
3402

    
3403
    p = cmdline;
3404
    while (qemu_isspace(*p))
3405
        p++;
3406
    if (*p == '\0')
3407
        return NULL;
3408
    pstart = p;
3409
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3410
        p++;
3411
    len = p - pstart;
3412
    if (len > nlen - 1)
3413
        len = nlen - 1;
3414
    memcpy(cmdname, pstart, len);
3415
    cmdname[len] = '\0';
3416
    return p;
3417
}
3418

    
3419
/**
3420
 * Read key of 'type' into 'key' and return the current
3421
 * 'type' pointer.
3422
 */
3423
static char *key_get_info(const char *type, char **key)
3424
{
3425
    size_t len;
3426
    char *p, *str;
3427

    
3428
    if (*type == ',')
3429
        type++;
3430

    
3431
    p = strchr(type, ':');
3432
    if (!p) {
3433
        *key = NULL;
3434
        return NULL;
3435
    }
3436
    len = p - type;
3437

    
3438
    str = qemu_malloc(len + 1);
3439
    memcpy(str, type, len);
3440
    str[len] = '\0';
3441

    
3442
    *key = str;
3443
    return ++p;
3444
}
3445

    
3446
static int default_fmt_format = 'x';
3447
static int default_fmt_size = 4;
3448

    
3449
#define MAX_ARGS 16
3450

    
3451
static int is_valid_option(const char *c, const char *typestr)
3452
{
3453
    char option[3];
3454
  
3455
    option[0] = '-';
3456
    option[1] = *c;
3457
    option[2] = '\0';
3458
  
3459
    typestr = strstr(typestr, option);
3460
    return (typestr != NULL);
3461
}
3462

    
3463
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3464
{
3465
    const mon_cmd_t *cmd;
3466

    
3467
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3468
        if (compare_cmd(cmdname, cmd->name)) {
3469
            return cmd;
3470
        }
3471
    }
3472

    
3473
    return NULL;
3474
}
3475

    
3476
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3477
                                              const char *cmdline,
3478
                                              QDict *qdict)
3479
{
3480
    const char *p, *typestr;
3481
    int c;
3482
    const mon_cmd_t *cmd;
3483
    char cmdname[256];
3484
    char buf[1024];
3485
    char *key;
3486

    
3487
#ifdef DEBUG
3488
    monitor_printf(mon, "command='%s'\n", cmdline);
3489
#endif
3490

    
3491
    /* extract the command name */
3492
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3493
    if (!p)
3494
        return NULL;
3495

    
3496
    cmd = monitor_find_command(cmdname);
3497
    if (!cmd) {
3498
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3499
        return NULL;
3500
    }
3501

    
3502
    /* parse the parameters */
3503
    typestr = cmd->args_type;
3504
    for(;;) {
3505
        typestr = key_get_info(typestr, &key);
3506
        if (!typestr)
3507
            break;
3508
        c = *typestr;
3509
        typestr++;
3510
        switch(c) {
3511
        case 'F':
3512
        case 'B':
3513
        case 's':
3514
            {
3515
                int ret;
3516

    
3517
                while (qemu_isspace(*p))
3518
                    p++;
3519
                if (*typestr == '?') {
3520
                    typestr++;
3521
                    if (*p == '\0') {
3522
                        /* no optional string: NULL argument */
3523
                        break;
3524
                    }
3525
                }
3526
                ret = get_str(buf, sizeof(buf), &p);
3527
                if (ret < 0) {
3528
                    switch(c) {
3529
                    case 'F':
3530
                        monitor_printf(mon, "%s: filename expected\n",
3531
                                       cmdname);
3532
                        break;
3533
                    case 'B':
3534
                        monitor_printf(mon, "%s: block device name expected\n",
3535
                                       cmdname);
3536
                        break;
3537
                    default:
3538
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3539
                        break;
3540
                    }
3541
                    goto fail;
3542
                }
3543
                qdict_put(qdict, key, qstring_from_str(buf));
3544
            }
3545
            break;
3546
        case '/':
3547
            {
3548
                int count, format, size;
3549

    
3550
                while (qemu_isspace(*p))
3551
                    p++;
3552
                if (*p == '/') {
3553
                    /* format found */
3554
                    p++;
3555
                    count = 1;
3556
                    if (qemu_isdigit(*p)) {
3557
                        count = 0;
3558
                        while (qemu_isdigit(*p)) {
3559
                            count = count * 10 + (*p - '0');
3560
                            p++;
3561
                        }
3562
                    }
3563
                    size = -1;
3564
                    format = -1;
3565
                    for(;;) {
3566
                        switch(*p) {
3567
                        case 'o':
3568
                        case 'd':
3569
                        case 'u':
3570
                        case 'x':
3571
                        case 'i':
3572
                        case 'c':
3573
                            format = *p++;
3574
                            break;
3575
                        case 'b':
3576
                            size = 1;
3577
                            p++;
3578
                            break;
3579
                        case 'h':
3580
                            size = 2;
3581
                            p++;
3582
                            break;
3583
                        case 'w':
3584
                            size = 4;
3585
                            p++;
3586
                            break;
3587
                        case 'g':
3588
                        case 'L':
3589
                            size = 8;
3590
                            p++;
3591
                            break;
3592
                        default:
3593
                            goto next;
3594
                        }
3595
                    }
3596
                next:
3597
                    if (*p != '\0' && !qemu_isspace(*p)) {
3598
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3599
                                       *p);
3600
                        goto fail;
3601
                    }
3602
                    if (format < 0)
3603
                        format = default_fmt_format;
3604
                    if (format != 'i') {
3605
                        /* for 'i', not specifying a size gives -1 as size */
3606
                        if (size < 0)
3607
                            size = default_fmt_size;
3608
                        default_fmt_size = size;
3609
                    }
3610
                    default_fmt_format = format;
3611
                } else {
3612
                    count = 1;
3613
                    format = default_fmt_format;
3614
                    if (format != 'i') {
3615
                        size = default_fmt_size;
3616
                    } else {
3617
                        size = -1;
3618
                    }
3619
                }
3620
                qdict_put(qdict, "count", qint_from_int(count));
3621
                qdict_put(qdict, "format", qint_from_int(format));
3622
                qdict_put(qdict, "size", qint_from_int(size));
3623
            }
3624
            break;
3625
        case 'i':
3626
        case 'l':
3627
        case 'M':
3628
            {
3629
                int64_t val;
3630

    
3631
                while (qemu_isspace(*p))
3632
                    p++;
3633
                if (*typestr == '?' || *typestr == '.') {
3634
                    if (*typestr == '?') {
3635
                        if (*p == '\0') {
3636
                            typestr++;
3637
                            break;
3638
                        }
3639
                    } else {
3640
                        if (*p == '.') {
3641
                            p++;
3642
                            while (qemu_isspace(*p))
3643
                                p++;
3644
                        } else {
3645
                            typestr++;
3646
                            break;
3647
                        }
3648
                    }
3649
                    typestr++;
3650
                }
3651
                if (get_expr(mon, &val, &p))
3652
                    goto fail;
3653
                /* Check if 'i' is greater than 32-bit */
3654
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3655
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3656
                    monitor_printf(mon, "integer is for 32-bit values\n");
3657
                    goto fail;
3658
                } else if (c == 'M') {
3659
                    val <<= 20;
3660
                }
3661
                qdict_put(qdict, key, qint_from_int(val));
3662
            }
3663
            break;
3664
        case 'b':
3665
            {
3666
                double val;
3667

    
3668
                while (qemu_isspace(*p))
3669
                    p++;
3670
                if (*typestr == '?') {
3671
                    typestr++;
3672
                    if (*p == '\0') {
3673
                        break;
3674
                    }
3675
                }
3676
                if (get_double(mon, &val, &p) < 0) {
3677
                    goto fail;
3678
                }
3679
                if (*p) {
3680
                    switch (*p) {
3681
                    case 'K': case 'k':
3682
                        val *= 1 << 10; p++; break;
3683
                    case 'M': case 'm':
3684
                        val *= 1 << 20; p++; break;
3685
                    case 'G': case 'g':
3686
                        val *= 1 << 30; p++; break;
3687
                    }
3688
                }
3689
                if (*p && !qemu_isspace(*p)) {
3690
                    monitor_printf(mon, "Unknown unit suffix\n");
3691
                    goto fail;
3692
                }
3693
                qdict_put(qdict, key, qfloat_from_double(val));
3694
            }
3695
            break;
3696
        case '-':
3697
            {
3698
                const char *tmp = p;
3699
                int has_option, skip_key = 0;
3700
                /* option */
3701

    
3702
                c = *typestr++;
3703
                if (c == '\0')
3704
                    goto bad_type;
3705
                while (qemu_isspace(*p))
3706
                    p++;
3707
                has_option = 0;
3708
                if (*p == '-') {
3709
                    p++;
3710
                    if(c != *p) {
3711
                        if(!is_valid_option(p, typestr)) {
3712
                  
3713
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3714
                                           cmdname, *p);
3715
                            goto fail;
3716
                        } else {
3717
                            skip_key = 1;
3718
                        }
3719
                    }
3720
                    if(skip_key) {
3721
                        p = tmp;
3722
                    } else {
3723
                        p++;
3724
                        has_option = 1;
3725
                    }
3726
                }
3727
                qdict_put(qdict, key, qint_from_int(has_option));
3728
            }
3729
            break;
3730
        default:
3731
        bad_type:
3732
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3733
            goto fail;
3734
        }
3735
        qemu_free(key);
3736
        key = NULL;
3737
    }
3738
    /* check that all arguments were parsed */
3739
    while (qemu_isspace(*p))
3740
        p++;
3741
    if (*p != '\0') {
3742
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3743
                       cmdname);
3744
        goto fail;
3745
    }
3746

    
3747
    return cmd;
3748

    
3749
fail:
3750
    qemu_free(key);
3751
    return NULL;
3752
}
3753

    
3754
static void monitor_print_error(Monitor *mon)
3755
{
3756
    qerror_print(mon->error);
3757
    QDECREF(mon->error);
3758
    mon->error = NULL;
3759
}
3760

    
3761
static int is_async_return(const QObject *data)
3762
{
3763
    if (data && qobject_type(data) == QTYPE_QDICT) {
3764
        return qdict_haskey(qobject_to_qdict(data), "__mon_async");
3765
    }
3766

    
3767
    return 0;
3768
}
3769

    
3770
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3771
                                 const QDict *params)
3772
{
3773
    QObject *data = NULL;
3774

    
3775
    cmd->mhandler.cmd_new(mon, params, &data);
3776

    
3777
    if (is_async_return(data)) {
3778
        /*
3779
         * Asynchronous commands have no initial return data but they can
3780
         * generate errors.  Data is returned via the async completion handler.
3781
         */
3782
        if (monitor_ctrl_mode(mon) && monitor_has_error(mon)) {
3783
            monitor_protocol_emitter(mon, NULL);
3784
        }
3785
    } else if (monitor_ctrl_mode(mon)) {
3786
        /* Monitor Protocol */
3787
        monitor_protocol_emitter(mon, data);
3788
    } else {
3789
        /* User Protocol */
3790
         if (data)
3791
            cmd->user_print(mon, data);
3792
    }
3793

    
3794
    qobject_decref(data);
3795
}
3796

    
3797
static void handle_user_command(Monitor *mon, const char *cmdline)
3798
{
3799
    QDict *qdict;
3800
    const mon_cmd_t *cmd;
3801

    
3802
    qdict = qdict_new();
3803

    
3804
    cmd = monitor_parse_command(mon, cmdline, qdict);
3805
    if (!cmd)
3806
        goto out;
3807

    
3808
    qemu_errors_to_mon(mon);
3809

    
3810
    if (monitor_handler_is_async(cmd)) {
3811
        user_async_cmd_handler(mon, cmd, qdict);
3812
    } else if (monitor_handler_ported(cmd)) {
3813
        monitor_call_handler(mon, cmd, qdict);
3814
    } else {
3815
        cmd->mhandler.cmd(mon, qdict);
3816
    }
3817

    
3818
    if (monitor_has_error(mon))
3819
        monitor_print_error(mon);
3820

    
3821
    qemu_errors_to_previous();
3822

    
3823
out:
3824
    QDECREF(qdict);
3825
}
3826

    
3827
static void cmd_completion(const char *name, const char *list)
3828
{
3829
    const char *p, *pstart;
3830
    char cmd[128];
3831
    int len;
3832

    
3833
    p = list;
3834
    for(;;) {
3835
        pstart = p;
3836
        p = strchr(p, '|');
3837
        if (!p)
3838
            p = pstart + strlen(pstart);
3839
        len = p - pstart;
3840
        if (len > sizeof(cmd) - 2)
3841
            len = sizeof(cmd) - 2;
3842
        memcpy(cmd, pstart, len);
3843
        cmd[len] = '\0';
3844
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3845
            readline_add_completion(cur_mon->rs, cmd);
3846
        }
3847
        if (*p == '\0')
3848
            break;
3849
        p++;
3850
    }
3851
}
3852

    
3853
static void file_completion(const char *input)
3854
{
3855
    DIR *ffs;
3856
    struct dirent *d;
3857
    char path[1024];
3858
    char file[1024], file_prefix[1024];
3859
    int input_path_len;
3860
    const char *p;
3861

    
3862
    p = strrchr(input, '/');
3863
    if (!p) {
3864
        input_path_len = 0;
3865
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3866
        pstrcpy(path, sizeof(path), ".");
3867
    } else {
3868
        input_path_len = p - input + 1;
3869
        memcpy(path, input, input_path_len);
3870
        if (input_path_len > sizeof(path) - 1)
3871
            input_path_len = sizeof(path) - 1;
3872
        path[input_path_len] = '\0';
3873
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3874
    }
3875
#ifdef DEBUG_COMPLETION
3876
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3877
                   input, path, file_prefix);
3878
#endif
3879
    ffs = opendir(path);
3880
    if (!ffs)
3881
        return;
3882
    for(;;) {
3883
        struct stat sb;
3884
        d = readdir(ffs);
3885
        if (!d)
3886
            break;
3887
        if (strstart(d->d_name, file_prefix, NULL)) {
3888
            memcpy(file, input, input_path_len);
3889
            if (input_path_len < sizeof(file))
3890
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3891
                        d->d_name);
3892
            /* stat the file to find out if it's a directory.
3893
             * In that case add a slash to speed up typing long paths
3894
             */
3895
            stat(file, &sb);
3896
            if(S_ISDIR(sb.st_mode))
3897
                pstrcat(file, sizeof(file), "/");
3898
            readline_add_completion(cur_mon->rs, file);
3899
        }
3900
    }
3901
    closedir(ffs);
3902
}
3903

    
3904
static void block_completion_it(void *opaque, BlockDriverState *bs)
3905
{
3906
    const char *name = bdrv_get_device_name(bs);
3907
    const char *input = opaque;
3908

    
3909
    if (input[0] == '\0' ||
3910
        !strncmp(name, (char *)input, strlen(input))) {
3911
        readline_add_completion(cur_mon->rs, name);
3912
    }
3913
}
3914

    
3915
/* NOTE: this parser is an approximate form of the real command parser */
3916
static void parse_cmdline(const char *cmdline,
3917
                         int *pnb_args, char **args)
3918
{
3919
    const char *p;
3920
    int nb_args, ret;
3921
    char buf[1024];
3922

    
3923
    p = cmdline;
3924
    nb_args = 0;
3925
    for(;;) {
3926
        while (qemu_isspace(*p))
3927
            p++;
3928
        if (*p == '\0')
3929
            break;
3930
        if (nb_args >= MAX_ARGS)
3931
            break;
3932
        ret = get_str(buf, sizeof(buf), &p);
3933
        args[nb_args] = qemu_strdup(buf);
3934
        nb_args++;
3935
        if (ret < 0)
3936
            break;
3937
    }
3938
    *pnb_args = nb_args;
3939
}
3940

    
3941
static const char *next_arg_type(const char *typestr)
3942
{
3943
    const char *p = strchr(typestr, ':');
3944
    return (p != NULL ? ++p : typestr);
3945
}
3946

    
3947
static void monitor_find_completion(const char *cmdline)
3948
{
3949
    const char *cmdname;
3950
    char *args[MAX_ARGS];
3951
    int nb_args, i, len;
3952
    const char *ptype, *str;
3953
    const mon_cmd_t *cmd;
3954
    const KeyDef *key;
3955

    
3956
    parse_cmdline(cmdline, &nb_args, args);
3957
#ifdef DEBUG_COMPLETION
3958
    for(i = 0; i < nb_args; i++) {
3959
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3960
    }
3961
#endif
3962

    
3963
    /* if the line ends with a space, it means we want to complete the
3964
       next arg */
3965
    len = strlen(cmdline);
3966
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3967
        if (nb_args >= MAX_ARGS)
3968
            return;
3969
        args[nb_args++] = qemu_strdup("");
3970
    }
3971
    if (nb_args <= 1) {
3972
        /* command completion */
3973
        if (nb_args == 0)
3974
            cmdname = "";
3975
        else
3976
            cmdname = args[0];
3977
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3978
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3979
            cmd_completion(cmdname, cmd->name);
3980
        }
3981
    } else {
3982
        /* find the command */
3983
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3984
            if (compare_cmd(args[0], cmd->name))
3985
                goto found;
3986
        }
3987
        return;
3988
    found:
3989
        ptype = next_arg_type(cmd->args_type);
3990
        for(i = 0; i < nb_args - 2; i++) {
3991
            if (*ptype != '\0') {
3992
                ptype = next_arg_type(ptype);
3993
                while (*ptype == '?')
3994
                    ptype = next_arg_type(ptype);
3995
            }
3996
        }
3997
        str = args[nb_args - 1];
3998
        if (*ptype == '-' && ptype[1] != '\0') {
3999
            ptype += 2;
4000
        }
4001
        switch(*ptype) {
4002
        case 'F':
4003
            /* file completion */
4004
            readline_set_completion_index(cur_mon->rs, strlen(str));
4005
            file_completion(str);
4006
            break;
4007
        case 'B':
4008
            /* block device name completion */
4009
            readline_set_completion_index(cur_mon->rs, strlen(str));
4010
            bdrv_iterate(block_completion_it, (void *)str);
4011
            break;
4012
        case 's':
4013
            /* XXX: more generic ? */
4014
            if (!strcmp(cmd->name, "info")) {
4015
                readline_set_completion_index(cur_mon->rs, strlen(str));
4016
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
4017
                    cmd_completion(str, cmd->name);
4018
                }
4019
            } else if (!strcmp(cmd->name, "sendkey")) {
4020
                char *sep = strrchr(str, '-');
4021
                if (sep)
4022
                    str = sep + 1;
4023
                readline_set_completion_index(cur_mon->rs, strlen(str));
4024
                for(key = key_defs; key->name != NULL; key++) {
4025
                    cmd_completion(str, key->name);
4026
                }
4027
            } else if (!strcmp(cmd->name, "help|?")) {
4028
                readline_set_completion_index(cur_mon->rs, strlen(str));
4029
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
4030
                    cmd_completion(str, cmd->name);
4031
                }
4032
            }
4033
            break;
4034
        default:
4035
            break;
4036
        }
4037
    }
4038
    for(i = 0; i < nb_args; i++)
4039
        qemu_free(args[i]);
4040
}
4041

    
4042
static int monitor_can_read(void *opaque)
4043
{
4044
    Monitor *mon = opaque;
4045

    
4046
    return (mon->suspend_cnt == 0) ? 1 : 0;
4047
}
4048

    
4049
typedef struct CmdArgs {
4050
    QString *name;
4051
    int type;
4052
    int flag;
4053
    int optional;
4054
} CmdArgs;
4055

    
4056
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
4057
{
4058
    if (!cmd_args->optional) {
4059
        qemu_error_new(QERR_MISSING_PARAMETER, name);
4060
        return -1;
4061
    }
4062

    
4063
    if (cmd_args->type == '-') {
4064
        /* handlers expect a value, they need to be changed */
4065
        qdict_put(args, name, qint_from_int(0));
4066
    }
4067

    
4068
    return 0;
4069
}
4070

    
4071
static int check_arg(const CmdArgs *cmd_args, QDict *args)
4072
{
4073
    QObject *value;
4074
    const char *name;
4075

    
4076
    name = qstring_get_str(cmd_args->name);
4077

    
4078
    if (!args) {
4079
        return check_opt(cmd_args, name, args);
4080
    }
4081

    
4082
    value = qdict_get(args, name);
4083
    if (!value) {
4084
        return check_opt(cmd_args, name, args);
4085
    }
4086

    
4087
    switch (cmd_args->type) {
4088
        case 'F':
4089
        case 'B':
4090
        case 's':
4091
            if (qobject_type(value) != QTYPE_QSTRING) {
4092
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
4093
                return -1;
4094
            }
4095
            break;
4096
        case '/': {
4097
            int i;
4098
            const char *keys[] = { "count", "format", "size", NULL };
4099

    
4100
            for (i = 0; keys[i]; i++) {
4101
                QObject *obj = qdict_get(args, keys[i]);
4102
                if (!obj) {
4103
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
4104
                    return -1;
4105
                }
4106
                if (qobject_type(obj) != QTYPE_QINT) {
4107
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
4108
                    return -1;
4109
                }
4110
            }
4111
            break;
4112
        }
4113
        case 'i':
4114
        case 'l':
4115
        case 'M':
4116
            if (qobject_type(value) != QTYPE_QINT) {
4117
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
4118
                return -1;
4119
            }
4120
            break;
4121
        case 'b':
4122
            if (qobject_type(value) != QTYPE_QINT && qobject_type(value) != QTYPE_QFLOAT) {
4123
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "number");
4124
                return -1;
4125
            }
4126
            break;
4127
        case '-':
4128
            if (qobject_type(value) != QTYPE_QINT &&
4129
                qobject_type(value) != QTYPE_QBOOL) {
4130
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
4131
                return -1;
4132
            }
4133
            if (qobject_type(value) == QTYPE_QBOOL) {
4134
                /* handlers expect a QInt, they need to be changed */
4135
                qdict_put(args, name,
4136
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
4137
            }
4138
            break;
4139
        default:
4140
            /* impossible */
4141
            abort();
4142
    }
4143

    
4144
    return 0;
4145
}
4146

    
4147
static void cmd_args_init(CmdArgs *cmd_args)
4148
{
4149
    cmd_args->name = qstring_new();
4150
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
4151
}
4152

    
4153
/*
4154
 * This is not trivial, we have to parse Monitor command's argument
4155
 * type syntax to be able to check the arguments provided by clients.
4156
 *
4157
 * In the near future we will be using an array for that and will be
4158
 * able to drop all this parsing...
4159
 */
4160
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
4161
{
4162
    int err;
4163
    const char *p;
4164
    CmdArgs cmd_args;
4165

    
4166
    if (cmd->args_type == NULL) {
4167
        return (qdict_size(args) == 0 ? 0 : -1);
4168
    }
4169

    
4170
    err = 0;
4171
    cmd_args_init(&cmd_args);
4172

    
4173
    for (p = cmd->args_type;; p++) {
4174
        if (*p == ':') {
4175
            cmd_args.type = *++p;
4176
            p++;
4177
            if (cmd_args.type == '-') {
4178
                cmd_args.flag = *p++;
4179
                cmd_args.optional = 1;
4180
            } else if (*p == '?') {
4181
                cmd_args.optional = 1;
4182
                p++;
4183
            }
4184

    
4185
            assert(*p == ',' || *p == '\0');
4186
            err = check_arg(&cmd_args, args);
4187

    
4188
            QDECREF(cmd_args.name);
4189
            cmd_args_init(&cmd_args);
4190

    
4191
            if (err < 0) {
4192
                break;
4193
            }
4194
        } else {
4195
            qstring_append_chr(cmd_args.name, *p);
4196
        }
4197

    
4198
        if (*p == '\0') {
4199
            break;
4200
        }
4201
    }
4202

    
4203
    QDECREF(cmd_args.name);
4204
    return err;
4205
}
4206

    
4207
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4208
{
4209
    int err;
4210
    QObject *obj;
4211
    QDict *input, *args;
4212
    const mon_cmd_t *cmd;
4213
    Monitor *mon = cur_mon;
4214
    const char *cmd_name, *info_item;
4215

    
4216
    args = NULL;
4217
    qemu_errors_to_mon(mon);
4218

    
4219
    obj = json_parser_parse(tokens, NULL);
4220
    if (!obj) {
4221
        // FIXME: should be triggered in json_parser_parse()
4222
        qemu_error_new(QERR_JSON_PARSING);
4223
        goto err_out;
4224
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4225
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4226
        qobject_decref(obj);
4227
        goto err_out;
4228
    }
4229

    
4230
    input = qobject_to_qdict(obj);
4231

    
4232
    mon->mc->id = qdict_get(input, "id");
4233
    qobject_incref(mon->mc->id);
4234

    
4235
    obj = qdict_get(input, "execute");
4236
    if (!obj) {
4237
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4238
        goto err_input;
4239
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4240
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4241
        goto err_input;
4242
    }
4243

    
4244
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4245

    
4246
    /*
4247
     * XXX: We need this special case until we get info handlers
4248
     * converted into 'query-' commands
4249
     */
4250
    if (compare_cmd(cmd_name, "info")) {
4251
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4252
        goto err_input;
4253
    } else if (strstart(cmd_name, "query-", &info_item)) {
4254
        cmd = monitor_find_command("info");
4255
        qdict_put_obj(input, "arguments",
4256
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4257
    } else {
4258
        cmd = monitor_find_command(cmd_name);
4259
        if (!cmd || !monitor_handler_ported(cmd)) {
4260
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4261
            goto err_input;
4262
        }
4263
    }
4264

    
4265
    obj = qdict_get(input, "arguments");
4266
    if (!obj) {
4267
        args = qdict_new();
4268
    } else {
4269
        args = qobject_to_qdict(obj);
4270
        QINCREF(args);
4271
    }
4272

    
4273
    QDECREF(input);
4274

    
4275
    err = monitor_check_qmp_args(cmd, args);
4276
    if (err < 0) {
4277
        goto err_out;
4278
    }
4279

    
4280
    if (monitor_handler_is_async(cmd)) {
4281
        qmp_async_cmd_handler(mon, cmd, args);
4282
    } else {
4283
        monitor_call_handler(mon, cmd, args);
4284
    }
4285
    goto out;
4286

    
4287
err_input:
4288
    QDECREF(input);
4289
err_out:
4290
    monitor_protocol_emitter(mon, NULL);
4291
out:
4292
    QDECREF(args);
4293
    qemu_errors_to_previous();
4294
}
4295

    
4296
/**
4297
 * monitor_control_read(): Read and handle QMP input
4298
 */
4299
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4300
{
4301
    Monitor *old_mon = cur_mon;
4302

    
4303
    cur_mon = opaque;
4304

    
4305
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4306

    
4307
    cur_mon = old_mon;
4308
}
4309

    
4310
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4311
{
4312
    Monitor *old_mon = cur_mon;
4313
    int i;
4314

    
4315
    cur_mon = opaque;
4316

    
4317
    if (cur_mon->rs) {
4318
        for (i = 0; i < size; i++)
4319
            readline_handle_byte(cur_mon->rs, buf[i]);
4320
    } else {
4321
        if (size == 0 || buf[size - 1] != 0)
4322
            monitor_printf(cur_mon, "corrupted command\n");
4323
        else
4324
            handle_user_command(cur_mon, (char *)buf);
4325
    }
4326

    
4327
    cur_mon = old_mon;
4328
}
4329

    
4330
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4331
{
4332
    monitor_suspend(mon);
4333
    handle_user_command(mon, cmdline);
4334
    monitor_resume(mon);
4335
}
4336

    
4337
int monitor_suspend(Monitor *mon)
4338
{
4339
    if (!mon->rs)
4340
        return -ENOTTY;
4341
    mon->suspend_cnt++;
4342
    return 0;
4343
}
4344

    
4345
void monitor_resume(Monitor *mon)
4346
{
4347
    if (!mon->rs)
4348
        return;
4349
    if (--mon->suspend_cnt == 0)
4350
        readline_show_prompt(mon->rs);
4351
}
4352

    
4353
/**
4354
 * monitor_control_event(): Print QMP gretting
4355
 */
4356
static void monitor_control_event(void *opaque, int event)
4357
{
4358
    if (event == CHR_EVENT_OPENED) {
4359
        QObject *data;
4360
        Monitor *mon = opaque;
4361

    
4362
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4363

    
4364
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4365
        assert(data != NULL);
4366

    
4367
        monitor_json_emitter(mon, data);
4368
        qobject_decref(data);
4369
    }
4370
}
4371

    
4372
static void monitor_event(void *opaque, int event)
4373
{
4374
    Monitor *mon = opaque;
4375

    
4376
    switch (event) {
4377
    case CHR_EVENT_MUX_IN:
4378
        mon->mux_out = 0;
4379
        if (mon->reset_seen) {
4380
            readline_restart(mon->rs);
4381
            monitor_resume(mon);
4382
            monitor_flush(mon);
4383
        } else {
4384
            mon->suspend_cnt = 0;
4385
        }
4386
        break;
4387

    
4388
    case CHR_EVENT_MUX_OUT:
4389
        if (mon->reset_seen) {
4390
            if (mon->suspend_cnt == 0) {
4391
                monitor_printf(mon, "\n");
4392
            }
4393
            monitor_flush(mon);
4394
            monitor_suspend(mon);
4395
        } else {
4396
            mon->suspend_cnt++;
4397
        }
4398
        mon->mux_out = 1;
4399
        break;
4400

    
4401
    case CHR_EVENT_OPENED:
4402
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4403
                       "information\n", QEMU_VERSION);
4404
        if (!mon->mux_out) {
4405
            readline_show_prompt(mon->rs);
4406
        }
4407
        mon->reset_seen = 1;
4408
        break;
4409
    }
4410
}
4411

    
4412

    
4413
/*
4414
 * Local variables:
4415
 *  c-indent-level: 4
4416
 *  c-basic-offset: 4
4417
 *  tab-width: 8
4418
 * End:
4419
 */
4420

    
4421
void monitor_init(CharDriverState *chr, int flags)
4422
{
4423
    static int is_first_init = 1;
4424
    Monitor *mon;
4425

    
4426
    if (is_first_init) {
4427
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4428
        is_first_init = 0;
4429
    }
4430

    
4431
    mon = qemu_mallocz(sizeof(*mon));
4432

    
4433
    mon->chr = chr;
4434
    mon->flags = flags;
4435
    if (flags & MONITOR_USE_READLINE) {
4436
        mon->rs = readline_init(mon, monitor_find_completion);
4437
        monitor_read_command(mon, 0);
4438
    }
4439

    
4440
    if (monitor_ctrl_mode(mon)) {
4441
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4442
        /* Control mode requires special handlers */
4443
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4444
                              monitor_control_event, mon);
4445
    } else {
4446
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4447
                              monitor_event, mon);
4448
    }
4449

    
4450
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4451
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4452
        cur_mon = mon;
4453
}
4454

    
4455
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4456
{
4457
    BlockDriverState *bs = opaque;
4458
    int ret = 0;
4459

    
4460
    if (bdrv_set_key(bs, password) != 0) {
4461
        monitor_printf(mon, "invalid password\n");
4462
        ret = -EPERM;
4463
    }
4464
    if (mon->password_completion_cb)
4465
        mon->password_completion_cb(mon->password_opaque, ret);
4466

    
4467
    monitor_read_command(mon, 1);
4468
}
4469

    
4470
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4471
                                 BlockDriverCompletionFunc *completion_cb,
4472
                                 void *opaque)
4473
{
4474
    int err;
4475

    
4476
    if (!bdrv_key_required(bs)) {
4477
        if (completion_cb)
4478
            completion_cb(opaque, 0);
4479
        return;
4480
    }
4481

    
4482
    if (monitor_ctrl_mode(mon)) {
4483
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4484
        return;
4485
    }
4486

    
4487
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4488
                   bdrv_get_encrypted_filename(bs));
4489

    
4490
    mon->password_completion_cb = completion_cb;
4491
    mon->password_opaque = opaque;
4492

    
4493
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4494

    
4495
    if (err && completion_cb)
4496
        completion_cb(opaque, err);
4497
}
4498

    
4499
typedef struct QemuErrorSink QemuErrorSink;
4500
struct QemuErrorSink {
4501
    enum {
4502
        ERR_SINK_FILE,
4503
        ERR_SINK_MONITOR,
4504
    } dest;
4505
    union {
4506
        FILE    *fp;
4507
        Monitor *mon;
4508
    };
4509
    QemuErrorSink *previous;
4510
};
4511

    
4512
static QemuErrorSink *qemu_error_sink;
4513

    
4514
void qemu_errors_to_file(FILE *fp)
4515
{
4516
    QemuErrorSink *sink;
4517

    
4518
    sink = qemu_mallocz(sizeof(*sink));
4519
    sink->dest = ERR_SINK_FILE;
4520
    sink->fp = fp;
4521
    sink->previous = qemu_error_sink;
4522
    qemu_error_sink = sink;
4523
}
4524

    
4525
void qemu_errors_to_mon(Monitor *mon)
4526
{
4527
    QemuErrorSink *sink;
4528

    
4529
    sink = qemu_mallocz(sizeof(*sink));
4530
    sink->dest = ERR_SINK_MONITOR;
4531
    sink->mon = mon;
4532
    sink->previous = qemu_error_sink;
4533
    qemu_error_sink = sink;
4534
}
4535

    
4536
void qemu_errors_to_previous(void)
4537
{
4538
    QemuErrorSink *sink;
4539

    
4540
    assert(qemu_error_sink != NULL);
4541
    sink = qemu_error_sink;
4542
    qemu_error_sink = sink->previous;
4543
    qemu_free(sink);
4544
}
4545

    
4546
void qemu_error(const char *fmt, ...)
4547
{
4548
    va_list args;
4549

    
4550
    assert(qemu_error_sink != NULL);
4551
    switch (qemu_error_sink->dest) {
4552
    case ERR_SINK_FILE:
4553
        va_start(args, fmt);
4554
        vfprintf(qemu_error_sink->fp, fmt, args);
4555
        va_end(args);
4556
        break;
4557
    case ERR_SINK_MONITOR:
4558
        va_start(args, fmt);
4559
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4560
        va_end(args);
4561
        break;
4562
    }
4563
}
4564

    
4565
void qemu_error_internal(const char *file, int linenr, const char *func,
4566
                         const char *fmt, ...)
4567
{
4568
    va_list va;
4569
    QError *qerror;
4570

    
4571
    assert(qemu_error_sink != NULL);
4572

    
4573
    va_start(va, fmt);
4574
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4575
    va_end(va);
4576

    
4577
    switch (qemu_error_sink->dest) {
4578
    case ERR_SINK_FILE:
4579
        qerror_print(qerror);
4580
        QDECREF(qerror);
4581
        break;
4582
    case ERR_SINK_MONITOR:
4583
        assert(qemu_error_sink->mon->error == NULL);
4584
        qemu_error_sink->mon->error = qerror;
4585
        break;
4586
    }
4587
}