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1
/*
2
 * QEMU monitor
3
 *
4
 * Copyright (c) 2003-2004 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <dirent.h>
25
#include "hw/hw.h"
26
#include "hw/qdev.h"
27
#include "hw/usb.h"
28
#include "hw/pcmcia.h"
29
#include "hw/pc.h"
30
#include "hw/pci.h"
31
#include "hw/watchdog.h"
32
#include "hw/loader.h"
33
#include "gdbstub.h"
34
#include "net.h"
35
#include "net/slirp.h"
36
#include "qemu-char.h"
37
#include "sysemu.h"
38
#include "monitor.h"
39
#include "readline.h"
40
#include "console.h"
41
#include "block.h"
42
#include "audio/audio.h"
43
#include "disas.h"
44
#include "balloon.h"
45
#include "qemu-timer.h"
46
#include "migration.h"
47
#include "kvm.h"
48
#include "acl.h"
49
#include "qint.h"
50
#include "qlist.h"
51
#include "qdict.h"
52
#include "qbool.h"
53
#include "qstring.h"
54
#include "qerror.h"
55
#include "qjson.h"
56
#include "json-streamer.h"
57
#include "json-parser.h"
58
#include "osdep.h"
59

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

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

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

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

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

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

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

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

    
130
Monitor *cur_mon = NULL;
131

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

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

    
141
static void monitor_read_command(Monitor *mon, int show_prompt)
142
{
143
    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
144
    if (show_prompt)
145
        readline_show_prompt(mon->rs);
146
}
147

    
148
static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
149
                                 void *opaque)
150
{
151
    if (monitor_ctrl_mode(mon)) {
152
        qemu_error_new(QERR_MISSING_PARAMETER, "password");
153
        return -EINVAL;
154
    } else if (mon->rs) {
155
        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
156
        /* prompt is printed on return from the command handler */
157
        return 0;
158
    } else {
159
        monitor_printf(mon, "terminal does not support password prompting\n");
160
        return -ENOTTY;
161
    }
162
}
163

    
164
void monitor_flush(Monitor *mon)
165
{
166
    if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
167
        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
168
        mon->outbuf_index = 0;
169
    }
170
}
171

    
172
/* flush at every end of line or if the buffer is full */
173
static void monitor_puts(Monitor *mon, const char *str)
174
{
175
    char c;
176

    
177
    if (!mon)
178
        return;
179

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

    
193
void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
194
{
195
    if (mon->mc && !mon->mc->print_enabled) {
196
        qemu_error_new(QERR_UNDEFINED_ERROR);
197
    } else {
198
        char buf[4096];
199
        vsnprintf(buf, sizeof(buf), fmt, ap);
200
        monitor_puts(mon, buf);
201
    }
202
}
203

    
204
void monitor_printf(Monitor *mon, const char *fmt, ...)
205
{
206
    va_list ap;
207
    va_start(ap, fmt);
208
    monitor_vprintf(mon, fmt, ap);
209
    va_end(ap);
210
}
211

    
212
void monitor_print_filename(Monitor *mon, const char *filename)
213
{
214
    int i;
215

    
216
    for (i = 0; filename[i]; i++) {
217
        switch (filename[i]) {
218
        case ' ':
219
        case '"':
220
        case '\\':
221
            monitor_printf(mon, "\\%c", filename[i]);
222
            break;
223
        case '\t':
224
            monitor_printf(mon, "\\t");
225
            break;
226
        case '\r':
227
            monitor_printf(mon, "\\r");
228
            break;
229
        case '\n':
230
            monitor_printf(mon, "\\n");
231
            break;
232
        default:
233
            monitor_printf(mon, "%c", filename[i]);
234
            break;
235
        }
236
    }
237
}
238

    
239
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
240
{
241
    va_list ap;
242
    va_start(ap, fmt);
243
    monitor_vprintf((Monitor *)stream, fmt, ap);
244
    va_end(ap);
245
    return 0;
246
}
247

    
248
static void monitor_user_noop(Monitor *mon, const QObject *data) { }
249

    
250
static inline int monitor_handler_ported(const mon_cmd_t *cmd)
251
{
252
    return cmd->user_print != NULL;
253
}
254

    
255
static inline int monitor_has_error(const Monitor *mon)
256
{
257
    return mon->error != NULL;
258
}
259

    
260
static void monitor_json_emitter(Monitor *mon, const QObject *data)
261
{
262
    QString *json;
263

    
264
    json = qobject_to_json(data);
265
    assert(json != NULL);
266

    
267
    mon->mc->print_enabled = 1;
268
    monitor_printf(mon, "%s\n", qstring_get_str(json));
269
    mon->mc->print_enabled = 0;
270

    
271
    QDECREF(json);
272
}
273

    
274
static void monitor_protocol_emitter(Monitor *mon, QObject *data)
275
{
276
    QDict *qmp;
277

    
278
    qmp = qdict_new();
279

    
280
    if (!monitor_has_error(mon)) {
281
        /* success response */
282
        if (data) {
283
            qobject_incref(data);
284
            qdict_put_obj(qmp, "return", data);
285
        } else {
286
            qdict_put(qmp, "return", qstring_from_str("OK"));
287
        }
288
    } else {
289
        /* error response */
290
        qdict_put(mon->error->error, "desc", qerror_human(mon->error));
291
        qdict_put(qmp, "error", mon->error->error);
292
        QINCREF(mon->error->error);
293
        QDECREF(mon->error);
294
        mon->error = NULL;
295
    }
296

    
297
    if (mon->mc->id) {
298
        qdict_put_obj(qmp, "id", mon->mc->id);
299
        mon->mc->id = NULL;
300
    }
301

    
302
    monitor_json_emitter(mon, QOBJECT(qmp));
303
    QDECREF(qmp);
304
}
305

    
306
static void timestamp_put(QDict *qdict)
307
{
308
    int err;
309
    QObject *obj;
310
    qemu_timeval tv;
311

    
312
    err = qemu_gettimeofday(&tv);
313
    if (err < 0)
314
        return;
315

    
316
    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
317
                                "'microseconds': %" PRId64 " }",
318
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
319
    assert(obj != NULL);
320

    
321
    qdict_put_obj(qdict, "timestamp", obj);
322
}
323

    
324
/**
325
 * monitor_protocol_event(): Generate a Monitor event
326
 *
327
 * Event-specific data can be emitted through the (optional) 'data' parameter.
328
 */
329
void monitor_protocol_event(MonitorEvent event, QObject *data)
330
{
331
    QDict *qmp;
332
    const char *event_name;
333
    Monitor *mon = cur_mon;
334

    
335
    assert(event < QEVENT_MAX);
336

    
337
    if (!monitor_ctrl_mode(mon))
338
        return;
339

    
340
    switch (event) {
341
        case QEVENT_DEBUG:
342
            event_name = "DEBUG";
343
            break;
344
        case QEVENT_SHUTDOWN:
345
            event_name = "SHUTDOWN";
346
            break;
347
        case QEVENT_RESET:
348
            event_name = "RESET";
349
            break;
350
        case QEVENT_POWERDOWN:
351
            event_name = "POWERDOWN";
352
            break;
353
        case QEVENT_STOP:
354
            event_name = "STOP";
355
            break;
356
        default:
357
            abort();
358
            break;
359
    }
360

    
361
    qmp = qdict_new();
362
    timestamp_put(qmp);
363
    qdict_put(qmp, "event", qstring_from_str(event_name));
364
    if (data)
365
        qdict_put_obj(qmp, "data", data);
366

    
367
    monitor_json_emitter(mon, QOBJECT(qmp));
368
    QDECREF(qmp);
369
}
370

    
371
static int compare_cmd(const char *name, const char *list)
372
{
373
    const char *p, *pstart;
374
    int len;
375
    len = strlen(name);
376
    p = list;
377
    for(;;) {
378
        pstart = p;
379
        p = strchr(p, '|');
380
        if (!p)
381
            p = pstart + strlen(pstart);
382
        if ((p - pstart) == len && !memcmp(pstart, name, len))
383
            return 1;
384
        if (*p == '\0')
385
            break;
386
        p++;
387
    }
388
    return 0;
389
}
390

    
391
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
392
                          const char *prefix, const char *name)
393
{
394
    const mon_cmd_t *cmd;
395

    
396
    for(cmd = cmds; cmd->name != NULL; cmd++) {
397
        if (!name || !strcmp(name, cmd->name))
398
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
399
                           cmd->params, cmd->help);
400
    }
401
}
402

    
403
static void help_cmd(Monitor *mon, const char *name)
404
{
405
    if (name && !strcmp(name, "info")) {
406
        help_cmd_dump(mon, info_cmds, "info ", NULL);
407
    } else {
408
        help_cmd_dump(mon, mon_cmds, "", name);
409
        if (name && !strcmp(name, "log")) {
410
            const CPULogItem *item;
411
            monitor_printf(mon, "Log items (comma separated):\n");
412
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
413
            for(item = cpu_log_items; item->mask != 0; item++) {
414
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
415
            }
416
        }
417
    }
418
}
419

    
420
static void do_help_cmd(Monitor *mon, const QDict *qdict)
421
{
422
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
423
}
424

    
425
static void do_commit(Monitor *mon, const QDict *qdict)
426
{
427
    int all_devices;
428
    DriveInfo *dinfo;
429
    const char *device = qdict_get_str(qdict, "device");
430

    
431
    all_devices = !strcmp(device, "all");
432
    QTAILQ_FOREACH(dinfo, &drives, next) {
433
        if (!all_devices)
434
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
435
                continue;
436
        bdrv_commit(dinfo->bdrv);
437
    }
438
}
439

    
440
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
441
{
442
    const mon_cmd_t *cmd;
443
    const char *item = qdict_get_try_str(qdict, "item");
444

    
445
    if (!item) {
446
        assert(monitor_ctrl_mode(mon) == 0);
447
        goto help;
448
    }
449

    
450
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
451
        if (compare_cmd(item, cmd->name))
452
            break;
453
    }
454

    
455
    if (cmd->name == NULL) {
456
        if (monitor_ctrl_mode(mon)) {
457
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
458
            return;
459
        }
460
        goto help;
461
    }
462

    
463
    if (monitor_handler_ported(cmd)) {
464
        cmd->mhandler.info_new(mon, ret_data);
465

    
466
        if (!monitor_ctrl_mode(mon)) {
467
            /*
468
             * User Protocol function is called here, Monitor Protocol is
469
             * handled by monitor_call_handler()
470
             */
471
            if (*ret_data)
472
                cmd->user_print(mon, *ret_data);
473
        }
474
    } else {
475
        if (monitor_ctrl_mode(mon)) {
476
            /* handler not converted yet */
477
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
478
        } else {
479
            cmd->mhandler.info(mon);
480
        }
481
    }
482

    
483
    return;
484

    
485
help:
486
    help_cmd(mon, "info");
487
}
488

    
489
static void do_info_version_print(Monitor *mon, const QObject *data)
490
{
491
    QDict *qdict;
492

    
493
    qdict = qobject_to_qdict(data);
494

    
495
    monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
496
                                  qdict_get_str(qdict, "package"));
497
}
498

    
499
/**
500
 * do_info_version(): Show QEMU version
501
 *
502
 * Return a QDict with the following information:
503
 *
504
 * - "qemu": QEMU's version
505
 * - "package": package's version
506
 *
507
 * Example:
508
 *
509
 * { "qemu": "0.11.50", "package": "" }
510
 */
511
static void do_info_version(Monitor *mon, QObject **ret_data)
512
{
513
    *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
514
                                   QEMU_VERSION, QEMU_PKGVERSION);
515
}
516

    
517
static void do_info_name_print(Monitor *mon, const QObject *data)
518
{
519
    QDict *qdict;
520

    
521
    qdict = qobject_to_qdict(data);
522
    if (qdict_size(qdict) == 0) {
523
        return;
524
    }
525

    
526
    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
527
}
528

    
529
/**
530
 * do_info_name(): Show VM name
531
 *
532
 * Return a QDict with the following information:
533
 *
534
 * - "name": VM's name (optional)
535
 *
536
 * Example:
537
 *
538
 * { "name": "qemu-name" }
539
 */
540
static void do_info_name(Monitor *mon, QObject **ret_data)
541
{
542
    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
543
                            qobject_from_jsonf("{}");
544
}
545

    
546
static QObject *get_cmd_dict(const char *name)
547
{
548
    const char *p;
549

    
550
    /* Remove '|' from some commands */
551
    p = strchr(name, '|');
552
    if (p) {
553
        p++;
554
    } else {
555
        p = name;
556
    }
557

    
558
    return qobject_from_jsonf("{ 'name': %s }", p);
559
}
560

    
561
/**
562
 * do_info_commands(): List QMP available commands
563
 *
564
 * Each command is represented by a QDict, the returned QObject is a QList
565
 * of all commands.
566
 *
567
 * The QDict contains:
568
 *
569
 * - "name": command's name
570
 *
571
 * Example:
572
 *
573
 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
574
 */
575
static void do_info_commands(Monitor *mon, QObject **ret_data)
576
{
577
    QList *cmd_list;
578
    const mon_cmd_t *cmd;
579

    
580
    cmd_list = qlist_new();
581

    
582
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
583
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
584
            qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
585
        }
586
    }
587

    
588
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
589
        if (monitor_handler_ported(cmd)) {
590
            char buf[128];
591
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
592
            qlist_append_obj(cmd_list, get_cmd_dict(buf));
593
        }
594
    }
595

    
596
    *ret_data = QOBJECT(cmd_list);
597
}
598

    
599
#if defined(TARGET_I386)
600
static void do_info_hpet_print(Monitor *mon, const QObject *data)
601
{
602
    monitor_printf(mon, "HPET is %s by QEMU\n",
603
                   qdict_get_bool(qobject_to_qdict(data), "enabled") ?
604
                   "enabled" : "disabled");
605
}
606

    
607
/**
608
 * do_info_hpet(): Show HPET state
609
 *
610
 * Return a QDict with the following information:
611
 *
612
 * - "enabled": true if hpet if enabled, false otherwise
613
 *
614
 * Example:
615
 *
616
 * { "enabled": true }
617
 */
618
static void do_info_hpet(Monitor *mon, QObject **ret_data)
619
{
620
    *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
621
}
622
#endif
623

    
624
static void do_info_uuid_print(Monitor *mon, const QObject *data)
625
{
626
    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
627
}
628

    
629
/**
630
 * do_info_uuid(): Show VM UUID
631
 *
632
 * Return a QDict with the following information:
633
 *
634
 * - "UUID": Universally Unique Identifier
635
 *
636
 * Example:
637
 *
638
 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
639
 */
640
static void do_info_uuid(Monitor *mon, QObject **ret_data)
641
{
642
    char uuid[64];
643

    
644
    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
645
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
646
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
647
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
648
                   qemu_uuid[14], qemu_uuid[15]);
649
    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
650
}
651

    
652
/* get the current CPU defined by the user */
653
static int mon_set_cpu(int cpu_index)
654
{
655
    CPUState *env;
656

    
657
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
658
        if (env->cpu_index == cpu_index) {
659
            cur_mon->mon_cpu = env;
660
            return 0;
661
        }
662
    }
663
    return -1;
664
}
665

    
666
static CPUState *mon_get_cpu(void)
667
{
668
    if (!cur_mon->mon_cpu) {
669
        mon_set_cpu(0);
670
    }
671
    cpu_synchronize_state(cur_mon->mon_cpu);
672
    return cur_mon->mon_cpu;
673
}
674

    
675
static void do_info_registers(Monitor *mon)
676
{
677
    CPUState *env;
678
    env = mon_get_cpu();
679
    if (!env)
680
        return;
681
#ifdef TARGET_I386
682
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
683
                   X86_DUMP_FPU);
684
#else
685
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
686
                   0);
687
#endif
688
}
689

    
690
static void print_cpu_iter(QObject *obj, void *opaque)
691
{
692
    QDict *cpu;
693
    int active = ' ';
694
    Monitor *mon = opaque;
695

    
696
    assert(qobject_type(obj) == QTYPE_QDICT);
697
    cpu = qobject_to_qdict(obj);
698

    
699
    if (qdict_get_bool(cpu, "current")) {
700
        active = '*';
701
    }
702

    
703
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
704

    
705
#if defined(TARGET_I386)
706
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
707
                   (target_ulong) qdict_get_int(cpu, "pc"));
708
#elif defined(TARGET_PPC)
709
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
710
                   (target_long) qdict_get_int(cpu, "nip"));
711
#elif defined(TARGET_SPARC)
712
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
713
                   (target_long) qdict_get_int(cpu, "pc"));
714
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
715
                   (target_long) qdict_get_int(cpu, "npc"));
716
#elif defined(TARGET_MIPS)
717
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
718
                   (target_long) qdict_get_int(cpu, "PC"));
719
#endif
720

    
721
    if (qdict_get_bool(cpu, "halted")) {
722
        monitor_printf(mon, " (halted)");
723
    }
724

    
725
    monitor_printf(mon, "\n");
726
}
727

    
728
static void monitor_print_cpus(Monitor *mon, const QObject *data)
729
{
730
    QList *cpu_list;
731

    
732
    assert(qobject_type(data) == QTYPE_QLIST);
733
    cpu_list = qobject_to_qlist(data);
734
    qlist_iter(cpu_list, print_cpu_iter, mon);
735
}
736

    
737
/**
738
 * do_info_cpus(): Show CPU information
739
 *
740
 * Return a QList. Each CPU is represented by a QDict, which contains:
741
 *
742
 * - "cpu": CPU index
743
 * - "current": true if this is the current CPU, false otherwise
744
 * - "halted": true if the cpu is halted, false otherwise
745
 * - Current program counter. The key's name depends on the architecture:
746
 *      "pc": i386/x86)64
747
 *      "nip": PPC
748
 *      "pc" and "npc": sparc
749
 *      "PC": mips
750
 *
751
 * Example:
752
 *
753
 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
754
 *   { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
755
 */
756
static void do_info_cpus(Monitor *mon, QObject **ret_data)
757
{
758
    CPUState *env;
759
    QList *cpu_list;
760

    
761
    cpu_list = qlist_new();
762

    
763
    /* just to set the default cpu if not already done */
764
    mon_get_cpu();
765

    
766
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
767
        QDict *cpu;
768
        QObject *obj;
769

    
770
        cpu_synchronize_state(env);
771

    
772
        obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
773
                                 env->cpu_index, env == mon->mon_cpu,
774
                                 env->halted);
775
        assert(obj != NULL);
776

    
777
        cpu = qobject_to_qdict(obj);
778

    
779
#if defined(TARGET_I386)
780
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
781
#elif defined(TARGET_PPC)
782
        qdict_put(cpu, "nip", qint_from_int(env->nip));
783
#elif defined(TARGET_SPARC)
784
        qdict_put(cpu, "pc", qint_from_int(env->pc));
785
        qdict_put(cpu, "npc", qint_from_int(env->npc));
786
#elif defined(TARGET_MIPS)
787
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
788
#endif
789

    
790
        qlist_append(cpu_list, cpu);
791
    }
792

    
793
    *ret_data = QOBJECT(cpu_list);
794
}
795

    
796
static void do_cpu_set(Monitor *mon, const QDict *qdict)
797
{
798
    int index = qdict_get_int(qdict, "index");
799
    if (mon_set_cpu(index) < 0)
800
        monitor_printf(mon, "Invalid CPU index\n");
801
}
802

    
803
static void do_info_jit(Monitor *mon)
804
{
805
    dump_exec_info((FILE *)mon, monitor_fprintf);
806
}
807

    
808
static void do_info_history(Monitor *mon)
809
{
810
    int i;
811
    const char *str;
812

    
813
    if (!mon->rs)
814
        return;
815
    i = 0;
816
    for(;;) {
817
        str = readline_get_history(mon->rs, i);
818
        if (!str)
819
            break;
820
        monitor_printf(mon, "%d: '%s'\n", i, str);
821
        i++;
822
    }
823
}
824

    
825
#if defined(TARGET_PPC)
826
/* XXX: not implemented in other targets */
827
static void do_info_cpu_stats(Monitor *mon)
828
{
829
    CPUState *env;
830

    
831
    env = mon_get_cpu();
832
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
833
}
834
#endif
835

    
836
/**
837
 * do_quit(): Quit QEMU execution
838
 */
839
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
840
{
841
    exit(0);
842
}
843

    
844
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
845
{
846
    if (bdrv_is_inserted(bs)) {
847
        if (!force) {
848
            if (!bdrv_is_removable(bs)) {
849
                qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
850
                               bdrv_get_device_name(bs));
851
                return -1;
852
            }
853
            if (bdrv_is_locked(bs)) {
854
                qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
855
                return -1;
856
            }
857
        }
858
        bdrv_close(bs);
859
    }
860
    return 0;
861
}
862

    
863
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
864
{
865
    BlockDriverState *bs;
866
    int force = qdict_get_int(qdict, "force");
867
    const char *filename = qdict_get_str(qdict, "device");
868

    
869
    bs = bdrv_find(filename);
870
    if (!bs) {
871
        qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
872
        return;
873
    }
874
    eject_device(mon, bs, force);
875
}
876

    
877
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
878
                                QObject **ret_data)
879
{
880
    BlockDriverState *bs;
881

    
882
    bs = bdrv_find(qdict_get_str(qdict, "device"));
883
    if (!bs) {
884
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
885
        return;
886
    }
887

    
888
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
889
        qemu_error_new(QERR_INVALID_PASSWORD);
890
    }
891
}
892

    
893
static void do_change_block(Monitor *mon, const char *device,
894
                            const char *filename, const char *fmt)
895
{
896
    BlockDriverState *bs;
897
    BlockDriver *drv = NULL;
898

    
899
    bs = bdrv_find(device);
900
    if (!bs) {
901
        qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
902
        return;
903
    }
904
    if (fmt) {
905
        drv = bdrv_find_whitelisted_format(fmt);
906
        if (!drv) {
907
            qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
908
            return;
909
        }
910
    }
911
    if (eject_device(mon, bs, 0) < 0)
912
        return;
913
    bdrv_open2(bs, filename, 0, drv);
914
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
915
}
916

    
917
static void change_vnc_password(const char *password)
918
{
919
    if (vnc_display_password(NULL, password) < 0)
920
        qemu_error_new(QERR_SET_PASSWD_FAILED);
921

    
922
}
923

    
924
static void change_vnc_password_cb(Monitor *mon, const char *password,
925
                                   void *opaque)
926
{
927
    change_vnc_password(password);
928
    monitor_read_command(mon, 1);
929
}
930

    
931
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
932
{
933
    if (strcmp(target, "passwd") == 0 ||
934
        strcmp(target, "password") == 0) {
935
        if (arg) {
936
            char password[9];
937
            strncpy(password, arg, sizeof(password));
938
            password[sizeof(password) - 1] = '\0';
939
            change_vnc_password(password);
940
        } else {
941
            monitor_read_password(mon, change_vnc_password_cb, NULL);
942
        }
943
    } else {
944
        if (vnc_display_open(NULL, target) < 0)
945
            qemu_error_new(QERR_VNC_SERVER_FAILED, target);
946
    }
947
}
948

    
949
/**
950
 * do_change(): Change a removable medium, or VNC configuration
951
 */
952
static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
953
{
954
    const char *device = qdict_get_str(qdict, "device");
955
    const char *target = qdict_get_str(qdict, "target");
956
    const char *arg = qdict_get_try_str(qdict, "arg");
957
    if (strcmp(device, "vnc") == 0) {
958
        do_change_vnc(mon, target, arg);
959
    } else {
960
        do_change_block(mon, device, target, arg);
961
    }
962
}
963

    
964
static void do_screen_dump(Monitor *mon, const QDict *qdict)
965
{
966
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
967
}
968

    
969
static void do_logfile(Monitor *mon, const QDict *qdict)
970
{
971
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
972
}
973

    
974
static void do_log(Monitor *mon, const QDict *qdict)
975
{
976
    int mask;
977
    const char *items = qdict_get_str(qdict, "items");
978

    
979
    if (!strcmp(items, "none")) {
980
        mask = 0;
981
    } else {
982
        mask = cpu_str_to_log_mask(items);
983
        if (!mask) {
984
            help_cmd(mon, "log");
985
            return;
986
        }
987
    }
988
    cpu_set_log(mask);
989
}
990

    
991
static void do_singlestep(Monitor *mon, const QDict *qdict)
992
{
993
    const char *option = qdict_get_try_str(qdict, "option");
994
    if (!option || !strcmp(option, "on")) {
995
        singlestep = 1;
996
    } else if (!strcmp(option, "off")) {
997
        singlestep = 0;
998
    } else {
999
        monitor_printf(mon, "unexpected option %s\n", option);
1000
    }
1001
}
1002

    
1003
/**
1004
 * do_stop(): Stop VM execution
1005
 */
1006
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1007
{
1008
    vm_stop(EXCP_INTERRUPT);
1009
}
1010

    
1011
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1012

    
1013
struct bdrv_iterate_context {
1014
    Monitor *mon;
1015
    int err;
1016
};
1017

    
1018
/**
1019
 * do_cont(): Resume emulation.
1020
 */
1021
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1022
{
1023
    struct bdrv_iterate_context context = { mon, 0 };
1024

    
1025
    bdrv_iterate(encrypted_bdrv_it, &context);
1026
    /* only resume the vm if all keys are set and valid */
1027
    if (!context.err)
1028
        vm_start();
1029
}
1030

    
1031
static void bdrv_key_cb(void *opaque, int err)
1032
{
1033
    Monitor *mon = opaque;
1034

    
1035
    /* another key was set successfully, retry to continue */
1036
    if (!err)
1037
        do_cont(mon, NULL, NULL);
1038
}
1039

    
1040
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1041
{
1042
    struct bdrv_iterate_context *context = opaque;
1043

    
1044
    if (!context->err && bdrv_key_required(bs)) {
1045
        context->err = -EBUSY;
1046
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1047
                                    context->mon);
1048
    }
1049
}
1050

    
1051
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1052
{
1053
    const char *device = qdict_get_try_str(qdict, "device");
1054
    if (!device)
1055
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
1056
    if (gdbserver_start(device) < 0) {
1057
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1058
                       device);
1059
    } else if (strcmp(device, "none") == 0) {
1060
        monitor_printf(mon, "Disabled gdbserver\n");
1061
    } else {
1062
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1063
                       device);
1064
    }
1065
}
1066

    
1067
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1068
{
1069
    const char *action = qdict_get_str(qdict, "action");
1070
    if (select_watchdog_action(action) == -1) {
1071
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1072
    }
1073
}
1074

    
1075
static void monitor_printc(Monitor *mon, int c)
1076
{
1077
    monitor_printf(mon, "'");
1078
    switch(c) {
1079
    case '\'':
1080
        monitor_printf(mon, "\\'");
1081
        break;
1082
    case '\\':
1083
        monitor_printf(mon, "\\\\");
1084
        break;
1085
    case '\n':
1086
        monitor_printf(mon, "\\n");
1087
        break;
1088
    case '\r':
1089
        monitor_printf(mon, "\\r");
1090
        break;
1091
    default:
1092
        if (c >= 32 && c <= 126) {
1093
            monitor_printf(mon, "%c", c);
1094
        } else {
1095
            monitor_printf(mon, "\\x%02x", c);
1096
        }
1097
        break;
1098
    }
1099
    monitor_printf(mon, "'");
1100
}
1101

    
1102
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1103
                        target_phys_addr_t addr, int is_physical)
1104
{
1105
    CPUState *env;
1106
    int nb_per_line, l, line_size, i, max_digits, len;
1107
    uint8_t buf[16];
1108
    uint64_t v;
1109

    
1110
    if (format == 'i') {
1111
        int flags;
1112
        flags = 0;
1113
        env = mon_get_cpu();
1114
        if (!env && !is_physical)
1115
            return;
1116
#ifdef TARGET_I386
1117
        if (wsize == 2) {
1118
            flags = 1;
1119
        } else if (wsize == 4) {
1120
            flags = 0;
1121
        } else {
1122
            /* as default we use the current CS size */
1123
            flags = 0;
1124
            if (env) {
1125
#ifdef TARGET_X86_64
1126
                if ((env->efer & MSR_EFER_LMA) &&
1127
                    (env->segs[R_CS].flags & DESC_L_MASK))
1128
                    flags = 2;
1129
                else
1130
#endif
1131
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1132
                    flags = 1;
1133
            }
1134
        }
1135
#endif
1136
        monitor_disas(mon, env, addr, count, is_physical, flags);
1137
        return;
1138
    }
1139

    
1140
    len = wsize * count;
1141
    if (wsize == 1)
1142
        line_size = 8;
1143
    else
1144
        line_size = 16;
1145
    nb_per_line = line_size / wsize;
1146
    max_digits = 0;
1147

    
1148
    switch(format) {
1149
    case 'o':
1150
        max_digits = (wsize * 8 + 2) / 3;
1151
        break;
1152
    default:
1153
    case 'x':
1154
        max_digits = (wsize * 8) / 4;
1155
        break;
1156
    case 'u':
1157
    case 'd':
1158
        max_digits = (wsize * 8 * 10 + 32) / 33;
1159
        break;
1160
    case 'c':
1161
        wsize = 1;
1162
        break;
1163
    }
1164

    
1165
    while (len > 0) {
1166
        if (is_physical)
1167
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1168
        else
1169
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1170
        l = len;
1171
        if (l > line_size)
1172
            l = line_size;
1173
        if (is_physical) {
1174
            cpu_physical_memory_rw(addr, buf, l, 0);
1175
        } else {
1176
            env = mon_get_cpu();
1177
            if (!env)
1178
                break;
1179
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1180
                monitor_printf(mon, " Cannot access memory\n");
1181
                break;
1182
            }
1183
        }
1184
        i = 0;
1185
        while (i < l) {
1186
            switch(wsize) {
1187
            default:
1188
            case 1:
1189
                v = ldub_raw(buf + i);
1190
                break;
1191
            case 2:
1192
                v = lduw_raw(buf + i);
1193
                break;
1194
            case 4:
1195
                v = (uint32_t)ldl_raw(buf + i);
1196
                break;
1197
            case 8:
1198
                v = ldq_raw(buf + i);
1199
                break;
1200
            }
1201
            monitor_printf(mon, " ");
1202
            switch(format) {
1203
            case 'o':
1204
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1205
                break;
1206
            case 'x':
1207
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1208
                break;
1209
            case 'u':
1210
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1211
                break;
1212
            case 'd':
1213
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1214
                break;
1215
            case 'c':
1216
                monitor_printc(mon, v);
1217
                break;
1218
            }
1219
            i += wsize;
1220
        }
1221
        monitor_printf(mon, "\n");
1222
        addr += l;
1223
        len -= l;
1224
    }
1225
}
1226

    
1227
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1228
{
1229
    int count = qdict_get_int(qdict, "count");
1230
    int format = qdict_get_int(qdict, "format");
1231
    int size = qdict_get_int(qdict, "size");
1232
    target_long addr = qdict_get_int(qdict, "addr");
1233

    
1234
    memory_dump(mon, count, format, size, addr, 0);
1235
}
1236

    
1237
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1238
{
1239
    int count = qdict_get_int(qdict, "count");
1240
    int format = qdict_get_int(qdict, "format");
1241
    int size = qdict_get_int(qdict, "size");
1242
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1243

    
1244
    memory_dump(mon, count, format, size, addr, 1);
1245
}
1246

    
1247
static void do_print(Monitor *mon, const QDict *qdict)
1248
{
1249
    int format = qdict_get_int(qdict, "format");
1250
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1251

    
1252
#if TARGET_PHYS_ADDR_BITS == 32
1253
    switch(format) {
1254
    case 'o':
1255
        monitor_printf(mon, "%#o", val);
1256
        break;
1257
    case 'x':
1258
        monitor_printf(mon, "%#x", val);
1259
        break;
1260
    case 'u':
1261
        monitor_printf(mon, "%u", val);
1262
        break;
1263
    default:
1264
    case 'd':
1265
        monitor_printf(mon, "%d", val);
1266
        break;
1267
    case 'c':
1268
        monitor_printc(mon, val);
1269
        break;
1270
    }
1271
#else
1272
    switch(format) {
1273
    case 'o':
1274
        monitor_printf(mon, "%#" PRIo64, val);
1275
        break;
1276
    case 'x':
1277
        monitor_printf(mon, "%#" PRIx64, val);
1278
        break;
1279
    case 'u':
1280
        monitor_printf(mon, "%" PRIu64, val);
1281
        break;
1282
    default:
1283
    case 'd':
1284
        monitor_printf(mon, "%" PRId64, val);
1285
        break;
1286
    case 'c':
1287
        monitor_printc(mon, val);
1288
        break;
1289
    }
1290
#endif
1291
    monitor_printf(mon, "\n");
1292
}
1293

    
1294
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1295
{
1296
    FILE *f;
1297
    uint32_t size = qdict_get_int(qdict, "size");
1298
    const char *filename = qdict_get_str(qdict, "filename");
1299
    target_long addr = qdict_get_int(qdict, "val");
1300
    uint32_t l;
1301
    CPUState *env;
1302
    uint8_t buf[1024];
1303

    
1304
    env = mon_get_cpu();
1305
    if (!env)
1306
        return;
1307

    
1308
    f = fopen(filename, "wb");
1309
    if (!f) {
1310
        monitor_printf(mon, "could not open '%s'\n", filename);
1311
        return;
1312
    }
1313
    while (size != 0) {
1314
        l = sizeof(buf);
1315
        if (l > size)
1316
            l = size;
1317
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1318
        fwrite(buf, 1, l, f);
1319
        addr += l;
1320
        size -= l;
1321
    }
1322
    fclose(f);
1323
}
1324

    
1325
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1326
                                    QObject **ret_data)
1327
{
1328
    FILE *f;
1329
    uint32_t l;
1330
    uint8_t buf[1024];
1331
    uint32_t size = qdict_get_int(qdict, "size");
1332
    const char *filename = qdict_get_str(qdict, "filename");
1333
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1334

    
1335
    f = fopen(filename, "wb");
1336
    if (!f) {
1337
        monitor_printf(mon, "could not open '%s'\n", filename);
1338
        return;
1339
    }
1340
    while (size != 0) {
1341
        l = sizeof(buf);
1342
        if (l > size)
1343
            l = size;
1344
        cpu_physical_memory_rw(addr, buf, l, 0);
1345
        fwrite(buf, 1, l, f);
1346
        fflush(f);
1347
        addr += l;
1348
        size -= l;
1349
    }
1350
    fclose(f);
1351
}
1352

    
1353
static void do_sum(Monitor *mon, const QDict *qdict)
1354
{
1355
    uint32_t addr;
1356
    uint8_t buf[1];
1357
    uint16_t sum;
1358
    uint32_t start = qdict_get_int(qdict, "start");
1359
    uint32_t size = qdict_get_int(qdict, "size");
1360

    
1361
    sum = 0;
1362
    for(addr = start; addr < (start + size); addr++) {
1363
        cpu_physical_memory_rw(addr, buf, 1, 0);
1364
        /* BSD sum algorithm ('sum' Unix command) */
1365
        sum = (sum >> 1) | (sum << 15);
1366
        sum += buf[0];
1367
    }
1368
    monitor_printf(mon, "%05d\n", sum);
1369
}
1370

    
1371
typedef struct {
1372
    int keycode;
1373
    const char *name;
1374
} KeyDef;
1375

    
1376
static const KeyDef key_defs[] = {
1377
    { 0x2a, "shift" },
1378
    { 0x36, "shift_r" },
1379

    
1380
    { 0x38, "alt" },
1381
    { 0xb8, "alt_r" },
1382
    { 0x64, "altgr" },
1383
    { 0xe4, "altgr_r" },
1384
    { 0x1d, "ctrl" },
1385
    { 0x9d, "ctrl_r" },
1386

    
1387
    { 0xdd, "menu" },
1388

    
1389
    { 0x01, "esc" },
1390

    
1391
    { 0x02, "1" },
1392
    { 0x03, "2" },
1393
    { 0x04, "3" },
1394
    { 0x05, "4" },
1395
    { 0x06, "5" },
1396
    { 0x07, "6" },
1397
    { 0x08, "7" },
1398
    { 0x09, "8" },
1399
    { 0x0a, "9" },
1400
    { 0x0b, "0" },
1401
    { 0x0c, "minus" },
1402
    { 0x0d, "equal" },
1403
    { 0x0e, "backspace" },
1404

    
1405
    { 0x0f, "tab" },
1406
    { 0x10, "q" },
1407
    { 0x11, "w" },
1408
    { 0x12, "e" },
1409
    { 0x13, "r" },
1410
    { 0x14, "t" },
1411
    { 0x15, "y" },
1412
    { 0x16, "u" },
1413
    { 0x17, "i" },
1414
    { 0x18, "o" },
1415
    { 0x19, "p" },
1416

    
1417
    { 0x1c, "ret" },
1418

    
1419
    { 0x1e, "a" },
1420
    { 0x1f, "s" },
1421
    { 0x20, "d" },
1422
    { 0x21, "f" },
1423
    { 0x22, "g" },
1424
    { 0x23, "h" },
1425
    { 0x24, "j" },
1426
    { 0x25, "k" },
1427
    { 0x26, "l" },
1428

    
1429
    { 0x2c, "z" },
1430
    { 0x2d, "x" },
1431
    { 0x2e, "c" },
1432
    { 0x2f, "v" },
1433
    { 0x30, "b" },
1434
    { 0x31, "n" },
1435
    { 0x32, "m" },
1436
    { 0x33, "comma" },
1437
    { 0x34, "dot" },
1438
    { 0x35, "slash" },
1439

    
1440
    { 0x37, "asterisk" },
1441

    
1442
    { 0x39, "spc" },
1443
    { 0x3a, "caps_lock" },
1444
    { 0x3b, "f1" },
1445
    { 0x3c, "f2" },
1446
    { 0x3d, "f3" },
1447
    { 0x3e, "f4" },
1448
    { 0x3f, "f5" },
1449
    { 0x40, "f6" },
1450
    { 0x41, "f7" },
1451
    { 0x42, "f8" },
1452
    { 0x43, "f9" },
1453
    { 0x44, "f10" },
1454
    { 0x45, "num_lock" },
1455
    { 0x46, "scroll_lock" },
1456

    
1457
    { 0xb5, "kp_divide" },
1458
    { 0x37, "kp_multiply" },
1459
    { 0x4a, "kp_subtract" },
1460
    { 0x4e, "kp_add" },
1461
    { 0x9c, "kp_enter" },
1462
    { 0x53, "kp_decimal" },
1463
    { 0x54, "sysrq" },
1464

    
1465
    { 0x52, "kp_0" },
1466
    { 0x4f, "kp_1" },
1467
    { 0x50, "kp_2" },
1468
    { 0x51, "kp_3" },
1469
    { 0x4b, "kp_4" },
1470
    { 0x4c, "kp_5" },
1471
    { 0x4d, "kp_6" },
1472
    { 0x47, "kp_7" },
1473
    { 0x48, "kp_8" },
1474
    { 0x49, "kp_9" },
1475

    
1476
    { 0x56, "<" },
1477

    
1478
    { 0x57, "f11" },
1479
    { 0x58, "f12" },
1480

    
1481
    { 0xb7, "print" },
1482

    
1483
    { 0xc7, "home" },
1484
    { 0xc9, "pgup" },
1485
    { 0xd1, "pgdn" },
1486
    { 0xcf, "end" },
1487

    
1488
    { 0xcb, "left" },
1489
    { 0xc8, "up" },
1490
    { 0xd0, "down" },
1491
    { 0xcd, "right" },
1492

    
1493
    { 0xd2, "insert" },
1494
    { 0xd3, "delete" },
1495
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1496
    { 0xf0, "stop" },
1497
    { 0xf1, "again" },
1498
    { 0xf2, "props" },
1499
    { 0xf3, "undo" },
1500
    { 0xf4, "front" },
1501
    { 0xf5, "copy" },
1502
    { 0xf6, "open" },
1503
    { 0xf7, "paste" },
1504
    { 0xf8, "find" },
1505
    { 0xf9, "cut" },
1506
    { 0xfa, "lf" },
1507
    { 0xfb, "help" },
1508
    { 0xfc, "meta_l" },
1509
    { 0xfd, "meta_r" },
1510
    { 0xfe, "compose" },
1511
#endif
1512
    { 0, NULL },
1513
};
1514

    
1515
static int get_keycode(const char *key)
1516
{
1517
    const KeyDef *p;
1518
    char *endp;
1519
    int ret;
1520

    
1521
    for(p = key_defs; p->name != NULL; p++) {
1522
        if (!strcmp(key, p->name))
1523
            return p->keycode;
1524
    }
1525
    if (strstart(key, "0x", NULL)) {
1526
        ret = strtoul(key, &endp, 0);
1527
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1528
            return ret;
1529
    }
1530
    return -1;
1531
}
1532

    
1533
#define MAX_KEYCODES 16
1534
static uint8_t keycodes[MAX_KEYCODES];
1535
static int nb_pending_keycodes;
1536
static QEMUTimer *key_timer;
1537

    
1538
static void release_keys(void *opaque)
1539
{
1540
    int keycode;
1541

    
1542
    while (nb_pending_keycodes > 0) {
1543
        nb_pending_keycodes--;
1544
        keycode = keycodes[nb_pending_keycodes];
1545
        if (keycode & 0x80)
1546
            kbd_put_keycode(0xe0);
1547
        kbd_put_keycode(keycode | 0x80);
1548
    }
1549
}
1550

    
1551
static void do_sendkey(Monitor *mon, const QDict *qdict)
1552
{
1553
    char keyname_buf[16];
1554
    char *separator;
1555
    int keyname_len, keycode, i;
1556
    const char *string = qdict_get_str(qdict, "string");
1557
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1558
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1559

    
1560
    if (nb_pending_keycodes > 0) {
1561
        qemu_del_timer(key_timer);
1562
        release_keys(NULL);
1563
    }
1564
    if (!has_hold_time)
1565
        hold_time = 100;
1566
    i = 0;
1567
    while (1) {
1568
        separator = strchr(string, '-');
1569
        keyname_len = separator ? separator - string : strlen(string);
1570
        if (keyname_len > 0) {
1571
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1572
            if (keyname_len > sizeof(keyname_buf) - 1) {
1573
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1574
                return;
1575
            }
1576
            if (i == MAX_KEYCODES) {
1577
                monitor_printf(mon, "too many keys\n");
1578
                return;
1579
            }
1580
            keyname_buf[keyname_len] = 0;
1581
            keycode = get_keycode(keyname_buf);
1582
            if (keycode < 0) {
1583
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1584
                return;
1585
            }
1586
            keycodes[i++] = keycode;
1587
        }
1588
        if (!separator)
1589
            break;
1590
        string = separator + 1;
1591
    }
1592
    nb_pending_keycodes = i;
1593
    /* key down events */
1594
    for (i = 0; i < nb_pending_keycodes; i++) {
1595
        keycode = keycodes[i];
1596
        if (keycode & 0x80)
1597
            kbd_put_keycode(0xe0);
1598
        kbd_put_keycode(keycode & 0x7f);
1599
    }
1600
    /* delayed key up events */
1601
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1602
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1603
}
1604

    
1605
static int mouse_button_state;
1606

    
1607
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1608
{
1609
    int dx, dy, dz;
1610
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1611
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1612
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1613
    dx = strtol(dx_str, NULL, 0);
1614
    dy = strtol(dy_str, NULL, 0);
1615
    dz = 0;
1616
    if (dz_str)
1617
        dz = strtol(dz_str, NULL, 0);
1618
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1619
}
1620

    
1621
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1622
{
1623
    int button_state = qdict_get_int(qdict, "button_state");
1624
    mouse_button_state = button_state;
1625
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1626
}
1627

    
1628
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1629
{
1630
    int size = qdict_get_int(qdict, "size");
1631
    int addr = qdict_get_int(qdict, "addr");
1632
    int has_index = qdict_haskey(qdict, "index");
1633
    uint32_t val;
1634
    int suffix;
1635

    
1636
    if (has_index) {
1637
        int index = qdict_get_int(qdict, "index");
1638
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1639
        addr++;
1640
    }
1641
    addr &= 0xffff;
1642

    
1643
    switch(size) {
1644
    default:
1645
    case 1:
1646
        val = cpu_inb(addr);
1647
        suffix = 'b';
1648
        break;
1649
    case 2:
1650
        val = cpu_inw(addr);
1651
        suffix = 'w';
1652
        break;
1653
    case 4:
1654
        val = cpu_inl(addr);
1655
        suffix = 'l';
1656
        break;
1657
    }
1658
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1659
                   suffix, addr, size * 2, val);
1660
}
1661

    
1662
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1663
{
1664
    int size = qdict_get_int(qdict, "size");
1665
    int addr = qdict_get_int(qdict, "addr");
1666
    int val = qdict_get_int(qdict, "val");
1667

    
1668
    addr &= IOPORTS_MASK;
1669

    
1670
    switch (size) {
1671
    default:
1672
    case 1:
1673
        cpu_outb(addr, val);
1674
        break;
1675
    case 2:
1676
        cpu_outw(addr, val);
1677
        break;
1678
    case 4:
1679
        cpu_outl(addr, val);
1680
        break;
1681
    }
1682
}
1683

    
1684
static void do_boot_set(Monitor *mon, const QDict *qdict)
1685
{
1686
    int res;
1687
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1688

    
1689
    res = qemu_boot_set(bootdevice);
1690
    if (res == 0) {
1691
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1692
    } else if (res > 0) {
1693
        monitor_printf(mon, "setting boot device list failed\n");
1694
    } else {
1695
        monitor_printf(mon, "no function defined to set boot device list for "
1696
                       "this architecture\n");
1697
    }
1698
}
1699

    
1700
/**
1701
 * do_system_reset(): Issue a machine reset
1702
 */
1703
static void do_system_reset(Monitor *mon, const QDict *qdict,
1704
                            QObject **ret_data)
1705
{
1706
    qemu_system_reset_request();
1707
}
1708

    
1709
/**
1710
 * do_system_powerdown(): Issue a machine powerdown
1711
 */
1712
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1713
                                QObject **ret_data)
1714
{
1715
    qemu_system_powerdown_request();
1716
}
1717

    
1718
#if defined(TARGET_I386)
1719
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1720
{
1721
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1722
                   addr,
1723
                   pte & mask,
1724
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1725
                   pte & PG_PSE_MASK ? 'P' : '-',
1726
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1727
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1728
                   pte & PG_PCD_MASK ? 'C' : '-',
1729
                   pte & PG_PWT_MASK ? 'T' : '-',
1730
                   pte & PG_USER_MASK ? 'U' : '-',
1731
                   pte & PG_RW_MASK ? 'W' : '-');
1732
}
1733

    
1734
static void tlb_info(Monitor *mon)
1735
{
1736
    CPUState *env;
1737
    int l1, l2;
1738
    uint32_t pgd, pde, pte;
1739

    
1740
    env = mon_get_cpu();
1741
    if (!env)
1742
        return;
1743

    
1744
    if (!(env->cr[0] & CR0_PG_MASK)) {
1745
        monitor_printf(mon, "PG disabled\n");
1746
        return;
1747
    }
1748
    pgd = env->cr[3] & ~0xfff;
1749
    for(l1 = 0; l1 < 1024; l1++) {
1750
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1751
        pde = le32_to_cpu(pde);
1752
        if (pde & PG_PRESENT_MASK) {
1753
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1754
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1755
            } else {
1756
                for(l2 = 0; l2 < 1024; l2++) {
1757
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1758
                                             (uint8_t *)&pte, 4);
1759
                    pte = le32_to_cpu(pte);
1760
                    if (pte & PG_PRESENT_MASK) {
1761
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1762
                                  pte & ~PG_PSE_MASK,
1763
                                  ~0xfff);
1764
                    }
1765
                }
1766
            }
1767
        }
1768
    }
1769
}
1770

    
1771
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1772
                      uint32_t end, int prot)
1773
{
1774
    int prot1;
1775
    prot1 = *plast_prot;
1776
    if (prot != prot1) {
1777
        if (*pstart != -1) {
1778
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1779
                           *pstart, end, end - *pstart,
1780
                           prot1 & PG_USER_MASK ? 'u' : '-',
1781
                           'r',
1782
                           prot1 & PG_RW_MASK ? 'w' : '-');
1783
        }
1784
        if (prot != 0)
1785
            *pstart = end;
1786
        else
1787
            *pstart = -1;
1788
        *plast_prot = prot;
1789
    }
1790
}
1791

    
1792
static void mem_info(Monitor *mon)
1793
{
1794
    CPUState *env;
1795
    int l1, l2, prot, last_prot;
1796
    uint32_t pgd, pde, pte, start, end;
1797

    
1798
    env = mon_get_cpu();
1799
    if (!env)
1800
        return;
1801

    
1802
    if (!(env->cr[0] & CR0_PG_MASK)) {
1803
        monitor_printf(mon, "PG disabled\n");
1804
        return;
1805
    }
1806
    pgd = env->cr[3] & ~0xfff;
1807
    last_prot = 0;
1808
    start = -1;
1809
    for(l1 = 0; l1 < 1024; l1++) {
1810
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1811
        pde = le32_to_cpu(pde);
1812
        end = l1 << 22;
1813
        if (pde & PG_PRESENT_MASK) {
1814
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1815
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1816
                mem_print(mon, &start, &last_prot, end, prot);
1817
            } else {
1818
                for(l2 = 0; l2 < 1024; l2++) {
1819
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1820
                                             (uint8_t *)&pte, 4);
1821
                    pte = le32_to_cpu(pte);
1822
                    end = (l1 << 22) + (l2 << 12);
1823
                    if (pte & PG_PRESENT_MASK) {
1824
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1825
                    } else {
1826
                        prot = 0;
1827
                    }
1828
                    mem_print(mon, &start, &last_prot, end, prot);
1829
                }
1830
            }
1831
        } else {
1832
            prot = 0;
1833
            mem_print(mon, &start, &last_prot, end, prot);
1834
        }
1835
    }
1836
}
1837
#endif
1838

    
1839
#if defined(TARGET_SH4)
1840

    
1841
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1842
{
1843
    monitor_printf(mon, " tlb%i:\t"
1844
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1845
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1846
                   "dirty=%hhu writethrough=%hhu\n",
1847
                   idx,
1848
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1849
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1850
                   tlb->d, tlb->wt);
1851
}
1852

    
1853
static void tlb_info(Monitor *mon)
1854
{
1855
    CPUState *env = mon_get_cpu();
1856
    int i;
1857

    
1858
    monitor_printf (mon, "ITLB:\n");
1859
    for (i = 0 ; i < ITLB_SIZE ; i++)
1860
        print_tlb (mon, i, &env->itlb[i]);
1861
    monitor_printf (mon, "UTLB:\n");
1862
    for (i = 0 ; i < UTLB_SIZE ; i++)
1863
        print_tlb (mon, i, &env->utlb[i]);
1864
}
1865

    
1866
#endif
1867

    
1868
static void do_info_kvm_print(Monitor *mon, const QObject *data)
1869
{
1870
    QDict *qdict;
1871

    
1872
    qdict = qobject_to_qdict(data);
1873

    
1874
    monitor_printf(mon, "kvm support: ");
1875
    if (qdict_get_bool(qdict, "present")) {
1876
        monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1877
                                    "enabled" : "disabled");
1878
    } else {
1879
        monitor_printf(mon, "not compiled\n");
1880
    }
1881
}
1882

    
1883
/**
1884
 * do_info_kvm(): Show KVM information
1885
 *
1886
 * Return a QDict with the following information:
1887
 *
1888
 * - "enabled": true if KVM support is enabled, false otherwise
1889
 * - "present": true if QEMU has KVM support, false otherwise
1890
 *
1891
 * Example:
1892
 *
1893
 * { "enabled": true, "present": true }
1894
 */
1895
static void do_info_kvm(Monitor *mon, QObject **ret_data)
1896
{
1897
#ifdef CONFIG_KVM
1898
    *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1899
                                   kvm_enabled());
1900
#else
1901
    *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1902
#endif
1903
}
1904

    
1905
static void do_info_numa(Monitor *mon)
1906
{
1907
    int i;
1908
    CPUState *env;
1909

    
1910
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1911
    for (i = 0; i < nb_numa_nodes; i++) {
1912
        monitor_printf(mon, "node %d cpus:", i);
1913
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1914
            if (env->numa_node == i) {
1915
                monitor_printf(mon, " %d", env->cpu_index);
1916
            }
1917
        }
1918
        monitor_printf(mon, "\n");
1919
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1920
            node_mem[i] >> 20);
1921
    }
1922
}
1923

    
1924
#ifdef CONFIG_PROFILER
1925

    
1926
int64_t qemu_time;
1927
int64_t dev_time;
1928

    
1929
static void do_info_profile(Monitor *mon)
1930
{
1931
    int64_t total;
1932
    total = qemu_time;
1933
    if (total == 0)
1934
        total = 1;
1935
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1936
                   dev_time, dev_time / (double)get_ticks_per_sec());
1937
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1938
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1939
    qemu_time = 0;
1940
    dev_time = 0;
1941
}
1942
#else
1943
static void do_info_profile(Monitor *mon)
1944
{
1945
    monitor_printf(mon, "Internal profiler not compiled\n");
1946
}
1947
#endif
1948

    
1949
/* Capture support */
1950
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1951

    
1952
static void do_info_capture(Monitor *mon)
1953
{
1954
    int i;
1955
    CaptureState *s;
1956

    
1957
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1958
        monitor_printf(mon, "[%d]: ", i);
1959
        s->ops.info (s->opaque);
1960
    }
1961
}
1962

    
1963
#ifdef HAS_AUDIO
1964
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1965
{
1966
    int i;
1967
    int n = qdict_get_int(qdict, "n");
1968
    CaptureState *s;
1969

    
1970
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1971
        if (i == n) {
1972
            s->ops.destroy (s->opaque);
1973
            QLIST_REMOVE (s, entries);
1974
            qemu_free (s);
1975
            return;
1976
        }
1977
    }
1978
}
1979

    
1980
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1981
{
1982
    const char *path = qdict_get_str(qdict, "path");
1983
    int has_freq = qdict_haskey(qdict, "freq");
1984
    int freq = qdict_get_try_int(qdict, "freq", -1);
1985
    int has_bits = qdict_haskey(qdict, "bits");
1986
    int bits = qdict_get_try_int(qdict, "bits", -1);
1987
    int has_channels = qdict_haskey(qdict, "nchannels");
1988
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1989
    CaptureState *s;
1990

    
1991
    s = qemu_mallocz (sizeof (*s));
1992

    
1993
    freq = has_freq ? freq : 44100;
1994
    bits = has_bits ? bits : 16;
1995
    nchannels = has_channels ? nchannels : 2;
1996

    
1997
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1998
        monitor_printf(mon, "Faied to add wave capture\n");
1999
        qemu_free (s);
2000
    }
2001
    QLIST_INSERT_HEAD (&capture_head, s, entries);
2002
}
2003
#endif
2004

    
2005
#if defined(TARGET_I386)
2006
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2007
{
2008
    CPUState *env;
2009
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2010

    
2011
    for (env = first_cpu; env != NULL; env = env->next_cpu)
2012
        if (env->cpu_index == cpu_index) {
2013
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
2014
            break;
2015
        }
2016
}
2017
#endif
2018

    
2019
static void do_info_status_print(Monitor *mon, const QObject *data)
2020
{
2021
    QDict *qdict;
2022

    
2023
    qdict = qobject_to_qdict(data);
2024

    
2025
    monitor_printf(mon, "VM status: ");
2026
    if (qdict_get_bool(qdict, "running")) {
2027
        monitor_printf(mon, "running");
2028
        if (qdict_get_bool(qdict, "singlestep")) {
2029
            monitor_printf(mon, " (single step mode)");
2030
        }
2031
    } else {
2032
        monitor_printf(mon, "paused");
2033
    }
2034

    
2035
    monitor_printf(mon, "\n");
2036
}
2037

    
2038
/**
2039
 * do_info_status(): VM status
2040
 *
2041
 * Return a QDict with the following information:
2042
 *
2043
 * - "running": true if the VM is running, or false if it is paused
2044
 * - "singlestep": true if the VM is in single step mode, false otherwise
2045
 *
2046
 * Example:
2047
 *
2048
 * { "running": true, "singlestep": false }
2049
 */
2050
static void do_info_status(Monitor *mon, QObject **ret_data)
2051
{
2052
    *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2053
                                    vm_running, singlestep);
2054
}
2055

    
2056
static ram_addr_t balloon_get_value(void)
2057
{
2058
    ram_addr_t actual;
2059

    
2060
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2061
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2062
        return 0;
2063
    }
2064

    
2065
    actual = qemu_balloon_status();
2066
    if (actual == 0) {
2067
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2068
        return 0;
2069
    }
2070

    
2071
    return actual;
2072
}
2073

    
2074
/**
2075
 * do_balloon(): Request VM to change its memory allocation
2076
 */
2077
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2078
{
2079
    if (balloon_get_value()) {
2080
        /* ballooning is active */
2081
        ram_addr_t value = qdict_get_int(qdict, "value");
2082
        qemu_balloon(value << 20);
2083
    }
2084
}
2085

    
2086
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2087
{
2088
    QDict *qdict;
2089

    
2090
    qdict = qobject_to_qdict(data);
2091

    
2092
    monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2093
                        qdict_get_int(qdict, "balloon") >> 20);
2094
}
2095

    
2096
/**
2097
 * do_info_balloon(): Balloon information
2098
 *
2099
 * Return a QDict with the following information:
2100
 *
2101
 * - "balloon": current balloon value in bytes
2102
 *
2103
 * Example:
2104
 *
2105
 * { "balloon": 1073741824 }
2106
 */
2107
static void do_info_balloon(Monitor *mon, QObject **ret_data)
2108
{
2109
    ram_addr_t actual;
2110

    
2111
    actual = balloon_get_value();
2112
    if (actual != 0) {
2113
        *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2114
                                       (int64_t) actual);
2115
    }
2116
}
2117

    
2118
static qemu_acl *find_acl(Monitor *mon, const char *name)
2119
{
2120
    qemu_acl *acl = qemu_acl_find(name);
2121

    
2122
    if (!acl) {
2123
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2124
    }
2125
    return acl;
2126
}
2127

    
2128
static void do_acl_show(Monitor *mon, const QDict *qdict)
2129
{
2130
    const char *aclname = qdict_get_str(qdict, "aclname");
2131
    qemu_acl *acl = find_acl(mon, aclname);
2132
    qemu_acl_entry *entry;
2133
    int i = 0;
2134

    
2135
    if (acl) {
2136
        monitor_printf(mon, "policy: %s\n",
2137
                       acl->defaultDeny ? "deny" : "allow");
2138
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2139
            i++;
2140
            monitor_printf(mon, "%d: %s %s\n", i,
2141
                           entry->deny ? "deny" : "allow", entry->match);
2142
        }
2143
    }
2144
}
2145

    
2146
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2147
{
2148
    const char *aclname = qdict_get_str(qdict, "aclname");
2149
    qemu_acl *acl = find_acl(mon, aclname);
2150

    
2151
    if (acl) {
2152
        qemu_acl_reset(acl);
2153
        monitor_printf(mon, "acl: removed all rules\n");
2154
    }
2155
}
2156

    
2157
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2158
{
2159
    const char *aclname = qdict_get_str(qdict, "aclname");
2160
    const char *policy = qdict_get_str(qdict, "policy");
2161
    qemu_acl *acl = find_acl(mon, aclname);
2162

    
2163
    if (acl) {
2164
        if (strcmp(policy, "allow") == 0) {
2165
            acl->defaultDeny = 0;
2166
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2167
        } else if (strcmp(policy, "deny") == 0) {
2168
            acl->defaultDeny = 1;
2169
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2170
        } else {
2171
            monitor_printf(mon, "acl: unknown policy '%s', "
2172
                           "expected 'deny' or 'allow'\n", policy);
2173
        }
2174
    }
2175
}
2176

    
2177
static void do_acl_add(Monitor *mon, const QDict *qdict)
2178
{
2179
    const char *aclname = qdict_get_str(qdict, "aclname");
2180
    const char *match = qdict_get_str(qdict, "match");
2181
    const char *policy = qdict_get_str(qdict, "policy");
2182
    int has_index = qdict_haskey(qdict, "index");
2183
    int index = qdict_get_try_int(qdict, "index", -1);
2184
    qemu_acl *acl = find_acl(mon, aclname);
2185
    int deny, ret;
2186

    
2187
    if (acl) {
2188
        if (strcmp(policy, "allow") == 0) {
2189
            deny = 0;
2190
        } else if (strcmp(policy, "deny") == 0) {
2191
            deny = 1;
2192
        } else {
2193
            monitor_printf(mon, "acl: unknown policy '%s', "
2194
                           "expected 'deny' or 'allow'\n", policy);
2195
            return;
2196
        }
2197
        if (has_index)
2198
            ret = qemu_acl_insert(acl, deny, match, index);
2199
        else
2200
            ret = qemu_acl_append(acl, deny, match);
2201
        if (ret < 0)
2202
            monitor_printf(mon, "acl: unable to add acl entry\n");
2203
        else
2204
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2205
    }
2206
}
2207

    
2208
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2209
{
2210
    const char *aclname = qdict_get_str(qdict, "aclname");
2211
    const char *match = qdict_get_str(qdict, "match");
2212
    qemu_acl *acl = find_acl(mon, aclname);
2213
    int ret;
2214

    
2215
    if (acl) {
2216
        ret = qemu_acl_remove(acl, match);
2217
        if (ret < 0)
2218
            monitor_printf(mon, "acl: no matching acl entry\n");
2219
        else
2220
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2221
    }
2222
}
2223

    
2224
#if defined(TARGET_I386)
2225
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2226
{
2227
    CPUState *cenv;
2228
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2229
    int bank = qdict_get_int(qdict, "bank");
2230
    uint64_t status = qdict_get_int(qdict, "status");
2231
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2232
    uint64_t addr = qdict_get_int(qdict, "addr");
2233
    uint64_t misc = qdict_get_int(qdict, "misc");
2234

    
2235
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2236
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2237
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2238
            break;
2239
        }
2240
}
2241
#endif
2242

    
2243
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2244
{
2245
    const char *fdname = qdict_get_str(qdict, "fdname");
2246
    mon_fd_t *monfd;
2247
    int fd;
2248

    
2249
    fd = qemu_chr_get_msgfd(mon->chr);
2250
    if (fd == -1) {
2251
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2252
        return;
2253
    }
2254

    
2255
    if (qemu_isdigit(fdname[0])) {
2256
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2257
        return;
2258
    }
2259

    
2260
    fd = dup(fd);
2261
    if (fd == -1) {
2262
        if (errno == EMFILE)
2263
            qemu_error_new(QERR_TOO_MANY_FILES);
2264
        else
2265
            qemu_error_new(QERR_UNDEFINED_ERROR);
2266
        return;
2267
    }
2268

    
2269
    QLIST_FOREACH(monfd, &mon->fds, next) {
2270
        if (strcmp(monfd->name, fdname) != 0) {
2271
            continue;
2272
        }
2273

    
2274
        close(monfd->fd);
2275
        monfd->fd = fd;
2276
        return;
2277
    }
2278

    
2279
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2280
    monfd->name = qemu_strdup(fdname);
2281
    monfd->fd = fd;
2282

    
2283
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2284
}
2285

    
2286
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2287
{
2288
    const char *fdname = qdict_get_str(qdict, "fdname");
2289
    mon_fd_t *monfd;
2290

    
2291
    QLIST_FOREACH(monfd, &mon->fds, next) {
2292
        if (strcmp(monfd->name, fdname) != 0) {
2293
            continue;
2294
        }
2295

    
2296
        QLIST_REMOVE(monfd, next);
2297
        close(monfd->fd);
2298
        qemu_free(monfd->name);
2299
        qemu_free(monfd);
2300
        return;
2301
    }
2302

    
2303
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2304
}
2305

    
2306
static void do_loadvm(Monitor *mon, const QDict *qdict)
2307
{
2308
    int saved_vm_running  = vm_running;
2309
    const char *name = qdict_get_str(qdict, "name");
2310

    
2311
    vm_stop(0);
2312

    
2313
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2314
        vm_start();
2315
}
2316

    
2317
int monitor_get_fd(Monitor *mon, const char *fdname)
2318
{
2319
    mon_fd_t *monfd;
2320

    
2321
    QLIST_FOREACH(monfd, &mon->fds, next) {
2322
        int fd;
2323

    
2324
        if (strcmp(monfd->name, fdname) != 0) {
2325
            continue;
2326
        }
2327

    
2328
        fd = monfd->fd;
2329

    
2330
        /* caller takes ownership of fd */
2331
        QLIST_REMOVE(monfd, next);
2332
        qemu_free(monfd->name);
2333
        qemu_free(monfd);
2334

    
2335
        return fd;
2336
    }
2337

    
2338
    return -1;
2339
}
2340

    
2341
static const mon_cmd_t mon_cmds[] = {
2342
#include "qemu-monitor.h"
2343
    { NULL, NULL, },
2344
};
2345

    
2346
/* Please update qemu-monitor.hx when adding or changing commands */
2347
static const mon_cmd_t info_cmds[] = {
2348
    {
2349
        .name       = "version",
2350
        .args_type  = "",
2351
        .params     = "",
2352
        .help       = "show the version of QEMU",
2353
        .user_print = do_info_version_print,
2354
        .mhandler.info_new = do_info_version,
2355
    },
2356
    {
2357
        .name       = "commands",
2358
        .args_type  = "",
2359
        .params     = "",
2360
        .help       = "list QMP available commands",
2361
        .user_print = monitor_user_noop,
2362
        .mhandler.info_new = do_info_commands,
2363
    },
2364
    {
2365
        .name       = "network",
2366
        .args_type  = "",
2367
        .params     = "",
2368
        .help       = "show the network state",
2369
        .mhandler.info = do_info_network,
2370
    },
2371
    {
2372
        .name       = "chardev",
2373
        .args_type  = "",
2374
        .params     = "",
2375
        .help       = "show the character devices",
2376
        .user_print = qemu_chr_info_print,
2377
        .mhandler.info_new = qemu_chr_info,
2378
    },
2379
    {
2380
        .name       = "block",
2381
        .args_type  = "",
2382
        .params     = "",
2383
        .help       = "show the block devices",
2384
        .user_print = bdrv_info_print,
2385
        .mhandler.info_new = bdrv_info,
2386
    },
2387
    {
2388
        .name       = "blockstats",
2389
        .args_type  = "",
2390
        .params     = "",
2391
        .help       = "show block device statistics",
2392
        .user_print = bdrv_stats_print,
2393
        .mhandler.info_new = bdrv_info_stats,
2394
    },
2395
    {
2396
        .name       = "registers",
2397
        .args_type  = "",
2398
        .params     = "",
2399
        .help       = "show the cpu registers",
2400
        .mhandler.info = do_info_registers,
2401
    },
2402
    {
2403
        .name       = "cpus",
2404
        .args_type  = "",
2405
        .params     = "",
2406
        .help       = "show infos for each CPU",
2407
        .user_print = monitor_print_cpus,
2408
        .mhandler.info_new = do_info_cpus,
2409
    },
2410
    {
2411
        .name       = "history",
2412
        .args_type  = "",
2413
        .params     = "",
2414
        .help       = "show the command line history",
2415
        .mhandler.info = do_info_history,
2416
    },
2417
    {
2418
        .name       = "irq",
2419
        .args_type  = "",
2420
        .params     = "",
2421
        .help       = "show the interrupts statistics (if available)",
2422
        .mhandler.info = irq_info,
2423
    },
2424
    {
2425
        .name       = "pic",
2426
        .args_type  = "",
2427
        .params     = "",
2428
        .help       = "show i8259 (PIC) state",
2429
        .mhandler.info = pic_info,
2430
    },
2431
    {
2432
        .name       = "pci",
2433
        .args_type  = "",
2434
        .params     = "",
2435
        .help       = "show PCI info",
2436
        .mhandler.info = pci_info,
2437
    },
2438
#if defined(TARGET_I386) || defined(TARGET_SH4)
2439
    {
2440
        .name       = "tlb",
2441
        .args_type  = "",
2442
        .params     = "",
2443
        .help       = "show virtual to physical memory mappings",
2444
        .mhandler.info = tlb_info,
2445
    },
2446
#endif
2447
#if defined(TARGET_I386)
2448
    {
2449
        .name       = "mem",
2450
        .args_type  = "",
2451
        .params     = "",
2452
        .help       = "show the active virtual memory mappings",
2453
        .mhandler.info = mem_info,
2454
    },
2455
    {
2456
        .name       = "hpet",
2457
        .args_type  = "",
2458
        .params     = "",
2459
        .help       = "show state of HPET",
2460
        .user_print = do_info_hpet_print,
2461
        .mhandler.info_new = do_info_hpet,
2462
    },
2463
#endif
2464
    {
2465
        .name       = "jit",
2466
        .args_type  = "",
2467
        .params     = "",
2468
        .help       = "show dynamic compiler info",
2469
        .mhandler.info = do_info_jit,
2470
    },
2471
    {
2472
        .name       = "kvm",
2473
        .args_type  = "",
2474
        .params     = "",
2475
        .help       = "show KVM information",
2476
        .user_print = do_info_kvm_print,
2477
        .mhandler.info_new = do_info_kvm,
2478
    },
2479
    {
2480
        .name       = "numa",
2481
        .args_type  = "",
2482
        .params     = "",
2483
        .help       = "show NUMA information",
2484
        .mhandler.info = do_info_numa,
2485
    },
2486
    {
2487
        .name       = "usb",
2488
        .args_type  = "",
2489
        .params     = "",
2490
        .help       = "show guest USB devices",
2491
        .mhandler.info = usb_info,
2492
    },
2493
    {
2494
        .name       = "usbhost",
2495
        .args_type  = "",
2496
        .params     = "",
2497
        .help       = "show host USB devices",
2498
        .mhandler.info = usb_host_info,
2499
    },
2500
    {
2501
        .name       = "profile",
2502
        .args_type  = "",
2503
        .params     = "",
2504
        .help       = "show profiling information",
2505
        .mhandler.info = do_info_profile,
2506
    },
2507
    {
2508
        .name       = "capture",
2509
        .args_type  = "",
2510
        .params     = "",
2511
        .help       = "show capture information",
2512
        .mhandler.info = do_info_capture,
2513
    },
2514
    {
2515
        .name       = "snapshots",
2516
        .args_type  = "",
2517
        .params     = "",
2518
        .help       = "show the currently saved VM snapshots",
2519
        .mhandler.info = do_info_snapshots,
2520
    },
2521
    {
2522
        .name       = "status",
2523
        .args_type  = "",
2524
        .params     = "",
2525
        .help       = "show the current VM status (running|paused)",
2526
        .user_print = do_info_status_print,
2527
        .mhandler.info_new = do_info_status,
2528
    },
2529
    {
2530
        .name       = "pcmcia",
2531
        .args_type  = "",
2532
        .params     = "",
2533
        .help       = "show guest PCMCIA status",
2534
        .mhandler.info = pcmcia_info,
2535
    },
2536
    {
2537
        .name       = "mice",
2538
        .args_type  = "",
2539
        .params     = "",
2540
        .help       = "show which guest mouse is receiving events",
2541
        .user_print = do_info_mice_print,
2542
        .mhandler.info_new = do_info_mice,
2543
    },
2544
    {
2545
        .name       = "vnc",
2546
        .args_type  = "",
2547
        .params     = "",
2548
        .help       = "show the vnc server status",
2549
        .user_print = do_info_vnc_print,
2550
        .mhandler.info_new = do_info_vnc,
2551
    },
2552
    {
2553
        .name       = "name",
2554
        .args_type  = "",
2555
        .params     = "",
2556
        .help       = "show the current VM name",
2557
        .user_print = do_info_name_print,
2558
        .mhandler.info_new = do_info_name,
2559
    },
2560
    {
2561
        .name       = "uuid",
2562
        .args_type  = "",
2563
        .params     = "",
2564
        .help       = "show the current VM UUID",
2565
        .user_print = do_info_uuid_print,
2566
        .mhandler.info_new = do_info_uuid,
2567
    },
2568
#if defined(TARGET_PPC)
2569
    {
2570
        .name       = "cpustats",
2571
        .args_type  = "",
2572
        .params     = "",
2573
        .help       = "show CPU statistics",
2574
        .mhandler.info = do_info_cpu_stats,
2575
    },
2576
#endif
2577
#if defined(CONFIG_SLIRP)
2578
    {
2579
        .name       = "usernet",
2580
        .args_type  = "",
2581
        .params     = "",
2582
        .help       = "show user network stack connection states",
2583
        .mhandler.info = do_info_usernet,
2584
    },
2585
#endif
2586
    {
2587
        .name       = "migrate",
2588
        .args_type  = "",
2589
        .params     = "",
2590
        .help       = "show migration status",
2591
        .user_print = do_info_migrate_print,
2592
        .mhandler.info_new = do_info_migrate,
2593
    },
2594
    {
2595
        .name       = "balloon",
2596
        .args_type  = "",
2597
        .params     = "",
2598
        .help       = "show balloon information",
2599
        .user_print = monitor_print_balloon,
2600
        .mhandler.info_new = do_info_balloon,
2601
    },
2602
    {
2603
        .name       = "qtree",
2604
        .args_type  = "",
2605
        .params     = "",
2606
        .help       = "show device tree",
2607
        .mhandler.info = do_info_qtree,
2608
    },
2609
    {
2610
        .name       = "qdm",
2611
        .args_type  = "",
2612
        .params     = "",
2613
        .help       = "show qdev device model list",
2614
        .mhandler.info = do_info_qdm,
2615
    },
2616
    {
2617
        .name       = "roms",
2618
        .args_type  = "",
2619
        .params     = "",
2620
        .help       = "show roms",
2621
        .mhandler.info = do_info_roms,
2622
    },
2623
    {
2624
        .name       = NULL,
2625
    },
2626
};
2627

    
2628
/*******************************************************************/
2629

    
2630
static const char *pch;
2631
static jmp_buf expr_env;
2632

    
2633
#define MD_TLONG 0
2634
#define MD_I32   1
2635

    
2636
typedef struct MonitorDef {
2637
    const char *name;
2638
    int offset;
2639
    target_long (*get_value)(const struct MonitorDef *md, int val);
2640
    int type;
2641
} MonitorDef;
2642

    
2643
#if defined(TARGET_I386)
2644
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2645
{
2646
    CPUState *env = mon_get_cpu();
2647
    if (!env)
2648
        return 0;
2649
    return env->eip + env->segs[R_CS].base;
2650
}
2651
#endif
2652

    
2653
#if defined(TARGET_PPC)
2654
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2655
{
2656
    CPUState *env = mon_get_cpu();
2657
    unsigned int u;
2658
    int i;
2659

    
2660
    if (!env)
2661
        return 0;
2662

    
2663
    u = 0;
2664
    for (i = 0; i < 8; i++)
2665
        u |= env->crf[i] << (32 - (4 * i));
2666

    
2667
    return u;
2668
}
2669

    
2670
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2671
{
2672
    CPUState *env = mon_get_cpu();
2673
    if (!env)
2674
        return 0;
2675
    return env->msr;
2676
}
2677

    
2678
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2679
{
2680
    CPUState *env = mon_get_cpu();
2681
    if (!env)
2682
        return 0;
2683
    return env->xer;
2684
}
2685

    
2686
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2687
{
2688
    CPUState *env = mon_get_cpu();
2689
    if (!env)
2690
        return 0;
2691
    return cpu_ppc_load_decr(env);
2692
}
2693

    
2694
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2695
{
2696
    CPUState *env = mon_get_cpu();
2697
    if (!env)
2698
        return 0;
2699
    return cpu_ppc_load_tbu(env);
2700
}
2701

    
2702
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2703
{
2704
    CPUState *env = mon_get_cpu();
2705
    if (!env)
2706
        return 0;
2707
    return cpu_ppc_load_tbl(env);
2708
}
2709
#endif
2710

    
2711
#if defined(TARGET_SPARC)
2712
#ifndef TARGET_SPARC64
2713
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2714
{
2715
    CPUState *env = mon_get_cpu();
2716
    if (!env)
2717
        return 0;
2718
    return GET_PSR(env);
2719
}
2720
#endif
2721

    
2722
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2723
{
2724
    CPUState *env = mon_get_cpu();
2725
    if (!env)
2726
        return 0;
2727
    return env->regwptr[val];
2728
}
2729
#endif
2730

    
2731
static const MonitorDef monitor_defs[] = {
2732
#ifdef TARGET_I386
2733

    
2734
#define SEG(name, seg) \
2735
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2736
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2737
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2738

    
2739
    { "eax", offsetof(CPUState, regs[0]) },
2740
    { "ecx", offsetof(CPUState, regs[1]) },
2741
    { "edx", offsetof(CPUState, regs[2]) },
2742
    { "ebx", offsetof(CPUState, regs[3]) },
2743
    { "esp|sp", offsetof(CPUState, regs[4]) },
2744
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2745
    { "esi", offsetof(CPUState, regs[6]) },
2746
    { "edi", offsetof(CPUState, regs[7]) },
2747
#ifdef TARGET_X86_64
2748
    { "r8", offsetof(CPUState, regs[8]) },
2749
    { "r9", offsetof(CPUState, regs[9]) },
2750
    { "r10", offsetof(CPUState, regs[10]) },
2751
    { "r11", offsetof(CPUState, regs[11]) },
2752
    { "r12", offsetof(CPUState, regs[12]) },
2753
    { "r13", offsetof(CPUState, regs[13]) },
2754
    { "r14", offsetof(CPUState, regs[14]) },
2755
    { "r15", offsetof(CPUState, regs[15]) },
2756
#endif
2757
    { "eflags", offsetof(CPUState, eflags) },
2758
    { "eip", offsetof(CPUState, eip) },
2759
    SEG("cs", R_CS)
2760
    SEG("ds", R_DS)
2761
    SEG("es", R_ES)
2762
    SEG("ss", R_SS)
2763
    SEG("fs", R_FS)
2764
    SEG("gs", R_GS)
2765
    { "pc", 0, monitor_get_pc, },
2766
#elif defined(TARGET_PPC)
2767
    /* General purpose registers */
2768
    { "r0", offsetof(CPUState, gpr[0]) },
2769
    { "r1", offsetof(CPUState, gpr[1]) },
2770
    { "r2", offsetof(CPUState, gpr[2]) },
2771
    { "r3", offsetof(CPUState, gpr[3]) },
2772
    { "r4", offsetof(CPUState, gpr[4]) },
2773
    { "r5", offsetof(CPUState, gpr[5]) },
2774
    { "r6", offsetof(CPUState, gpr[6]) },
2775
    { "r7", offsetof(CPUState, gpr[7]) },
2776
    { "r8", offsetof(CPUState, gpr[8]) },
2777
    { "r9", offsetof(CPUState, gpr[9]) },
2778
    { "r10", offsetof(CPUState, gpr[10]) },
2779
    { "r11", offsetof(CPUState, gpr[11]) },
2780
    { "r12", offsetof(CPUState, gpr[12]) },
2781
    { "r13", offsetof(CPUState, gpr[13]) },
2782
    { "r14", offsetof(CPUState, gpr[14]) },
2783
    { "r15", offsetof(CPUState, gpr[15]) },
2784
    { "r16", offsetof(CPUState, gpr[16]) },
2785
    { "r17", offsetof(CPUState, gpr[17]) },
2786
    { "r18", offsetof(CPUState, gpr[18]) },
2787
    { "r19", offsetof(CPUState, gpr[19]) },
2788
    { "r20", offsetof(CPUState, gpr[20]) },
2789
    { "r21", offsetof(CPUState, gpr[21]) },
2790
    { "r22", offsetof(CPUState, gpr[22]) },
2791
    { "r23", offsetof(CPUState, gpr[23]) },
2792
    { "r24", offsetof(CPUState, gpr[24]) },
2793
    { "r25", offsetof(CPUState, gpr[25]) },
2794
    { "r26", offsetof(CPUState, gpr[26]) },
2795
    { "r27", offsetof(CPUState, gpr[27]) },
2796
    { "r28", offsetof(CPUState, gpr[28]) },
2797
    { "r29", offsetof(CPUState, gpr[29]) },
2798
    { "r30", offsetof(CPUState, gpr[30]) },
2799
    { "r31", offsetof(CPUState, gpr[31]) },
2800
    /* Floating point registers */
2801
    { "f0", offsetof(CPUState, fpr[0]) },
2802
    { "f1", offsetof(CPUState, fpr[1]) },
2803
    { "f2", offsetof(CPUState, fpr[2]) },
2804
    { "f3", offsetof(CPUState, fpr[3]) },
2805
    { "f4", offsetof(CPUState, fpr[4]) },
2806
    { "f5", offsetof(CPUState, fpr[5]) },
2807
    { "f6", offsetof(CPUState, fpr[6]) },
2808
    { "f7", offsetof(CPUState, fpr[7]) },
2809
    { "f8", offsetof(CPUState, fpr[8]) },
2810
    { "f9", offsetof(CPUState, fpr[9]) },
2811
    { "f10", offsetof(CPUState, fpr[10]) },
2812
    { "f11", offsetof(CPUState, fpr[11]) },
2813
    { "f12", offsetof(CPUState, fpr[12]) },
2814
    { "f13", offsetof(CPUState, fpr[13]) },
2815
    { "f14", offsetof(CPUState, fpr[14]) },
2816
    { "f15", offsetof(CPUState, fpr[15]) },
2817
    { "f16", offsetof(CPUState, fpr[16]) },
2818
    { "f17", offsetof(CPUState, fpr[17]) },
2819
    { "f18", offsetof(CPUState, fpr[18]) },
2820
    { "f19", offsetof(CPUState, fpr[19]) },
2821
    { "f20", offsetof(CPUState, fpr[20]) },
2822
    { "f21", offsetof(CPUState, fpr[21]) },
2823
    { "f22", offsetof(CPUState, fpr[22]) },
2824
    { "f23", offsetof(CPUState, fpr[23]) },
2825
    { "f24", offsetof(CPUState, fpr[24]) },
2826
    { "f25", offsetof(CPUState, fpr[25]) },
2827
    { "f26", offsetof(CPUState, fpr[26]) },
2828
    { "f27", offsetof(CPUState, fpr[27]) },
2829
    { "f28", offsetof(CPUState, fpr[28]) },
2830
    { "f29", offsetof(CPUState, fpr[29]) },
2831
    { "f30", offsetof(CPUState, fpr[30]) },
2832
    { "f31", offsetof(CPUState, fpr[31]) },
2833
    { "fpscr", offsetof(CPUState, fpscr) },
2834
    /* Next instruction pointer */
2835
    { "nip|pc", offsetof(CPUState, nip) },
2836
    { "lr", offsetof(CPUState, lr) },
2837
    { "ctr", offsetof(CPUState, ctr) },
2838
    { "decr", 0, &monitor_get_decr, },
2839
    { "ccr", 0, &monitor_get_ccr, },
2840
    /* Machine state register */
2841
    { "msr", 0, &monitor_get_msr, },
2842
    { "xer", 0, &monitor_get_xer, },
2843
    { "tbu", 0, &monitor_get_tbu, },
2844
    { "tbl", 0, &monitor_get_tbl, },
2845
#if defined(TARGET_PPC64)
2846
    /* Address space register */
2847
    { "asr", offsetof(CPUState, asr) },
2848
#endif
2849
    /* Segment registers */
2850
    { "sdr1", offsetof(CPUState, sdr1) },
2851
    { "sr0", offsetof(CPUState, sr[0]) },
2852
    { "sr1", offsetof(CPUState, sr[1]) },
2853
    { "sr2", offsetof(CPUState, sr[2]) },
2854
    { "sr3", offsetof(CPUState, sr[3]) },
2855
    { "sr4", offsetof(CPUState, sr[4]) },
2856
    { "sr5", offsetof(CPUState, sr[5]) },
2857
    { "sr6", offsetof(CPUState, sr[6]) },
2858
    { "sr7", offsetof(CPUState, sr[7]) },
2859
    { "sr8", offsetof(CPUState, sr[8]) },
2860
    { "sr9", offsetof(CPUState, sr[9]) },
2861
    { "sr10", offsetof(CPUState, sr[10]) },
2862
    { "sr11", offsetof(CPUState, sr[11]) },
2863
    { "sr12", offsetof(CPUState, sr[12]) },
2864
    { "sr13", offsetof(CPUState, sr[13]) },
2865
    { "sr14", offsetof(CPUState, sr[14]) },
2866
    { "sr15", offsetof(CPUState, sr[15]) },
2867
    /* Too lazy to put BATs and SPRs ... */
2868
#elif defined(TARGET_SPARC)
2869
    { "g0", offsetof(CPUState, gregs[0]) },
2870
    { "g1", offsetof(CPUState, gregs[1]) },
2871
    { "g2", offsetof(CPUState, gregs[2]) },
2872
    { "g3", offsetof(CPUState, gregs[3]) },
2873
    { "g4", offsetof(CPUState, gregs[4]) },
2874
    { "g5", offsetof(CPUState, gregs[5]) },
2875
    { "g6", offsetof(CPUState, gregs[6]) },
2876
    { "g7", offsetof(CPUState, gregs[7]) },
2877
    { "o0", 0, monitor_get_reg },
2878
    { "o1", 1, monitor_get_reg },
2879
    { "o2", 2, monitor_get_reg },
2880
    { "o3", 3, monitor_get_reg },
2881
    { "o4", 4, monitor_get_reg },
2882
    { "o5", 5, monitor_get_reg },
2883
    { "o6", 6, monitor_get_reg },
2884
    { "o7", 7, monitor_get_reg },
2885
    { "l0", 8, monitor_get_reg },
2886
    { "l1", 9, monitor_get_reg },
2887
    { "l2", 10, monitor_get_reg },
2888
    { "l3", 11, monitor_get_reg },
2889
    { "l4", 12, monitor_get_reg },
2890
    { "l5", 13, monitor_get_reg },
2891
    { "l6", 14, monitor_get_reg },
2892
    { "l7", 15, monitor_get_reg },
2893
    { "i0", 16, monitor_get_reg },
2894
    { "i1", 17, monitor_get_reg },
2895
    { "i2", 18, monitor_get_reg },
2896
    { "i3", 19, monitor_get_reg },
2897
    { "i4", 20, monitor_get_reg },
2898
    { "i5", 21, monitor_get_reg },
2899
    { "i6", 22, monitor_get_reg },
2900
    { "i7", 23, monitor_get_reg },
2901
    { "pc", offsetof(CPUState, pc) },
2902
    { "npc", offsetof(CPUState, npc) },
2903
    { "y", offsetof(CPUState, y) },
2904
#ifndef TARGET_SPARC64
2905
    { "psr", 0, &monitor_get_psr, },
2906
    { "wim", offsetof(CPUState, wim) },
2907
#endif
2908
    { "tbr", offsetof(CPUState, tbr) },
2909
    { "fsr", offsetof(CPUState, fsr) },
2910
    { "f0", offsetof(CPUState, fpr[0]) },
2911
    { "f1", offsetof(CPUState, fpr[1]) },
2912
    { "f2", offsetof(CPUState, fpr[2]) },
2913
    { "f3", offsetof(CPUState, fpr[3]) },
2914
    { "f4", offsetof(CPUState, fpr[4]) },
2915
    { "f5", offsetof(CPUState, fpr[5]) },
2916
    { "f6", offsetof(CPUState, fpr[6]) },
2917
    { "f7", offsetof(CPUState, fpr[7]) },
2918
    { "f8", offsetof(CPUState, fpr[8]) },
2919
    { "f9", offsetof(CPUState, fpr[9]) },
2920
    { "f10", offsetof(CPUState, fpr[10]) },
2921
    { "f11", offsetof(CPUState, fpr[11]) },
2922
    { "f12", offsetof(CPUState, fpr[12]) },
2923
    { "f13", offsetof(CPUState, fpr[13]) },
2924
    { "f14", offsetof(CPUState, fpr[14]) },
2925
    { "f15", offsetof(CPUState, fpr[15]) },
2926
    { "f16", offsetof(CPUState, fpr[16]) },
2927
    { "f17", offsetof(CPUState, fpr[17]) },
2928
    { "f18", offsetof(CPUState, fpr[18]) },
2929
    { "f19", offsetof(CPUState, fpr[19]) },
2930
    { "f20", offsetof(CPUState, fpr[20]) },
2931
    { "f21", offsetof(CPUState, fpr[21]) },
2932
    { "f22", offsetof(CPUState, fpr[22]) },
2933
    { "f23", offsetof(CPUState, fpr[23]) },
2934
    { "f24", offsetof(CPUState, fpr[24]) },
2935
    { "f25", offsetof(CPUState, fpr[25]) },
2936
    { "f26", offsetof(CPUState, fpr[26]) },
2937
    { "f27", offsetof(CPUState, fpr[27]) },
2938
    { "f28", offsetof(CPUState, fpr[28]) },
2939
    { "f29", offsetof(CPUState, fpr[29]) },
2940
    { "f30", offsetof(CPUState, fpr[30]) },
2941
    { "f31", offsetof(CPUState, fpr[31]) },
2942
#ifdef TARGET_SPARC64
2943
    { "f32", offsetof(CPUState, fpr[32]) },
2944
    { "f34", offsetof(CPUState, fpr[34]) },
2945
    { "f36", offsetof(CPUState, fpr[36]) },
2946
    { "f38", offsetof(CPUState, fpr[38]) },
2947
    { "f40", offsetof(CPUState, fpr[40]) },
2948
    { "f42", offsetof(CPUState, fpr[42]) },
2949
    { "f44", offsetof(CPUState, fpr[44]) },
2950
    { "f46", offsetof(CPUState, fpr[46]) },
2951
    { "f48", offsetof(CPUState, fpr[48]) },
2952
    { "f50", offsetof(CPUState, fpr[50]) },
2953
    { "f52", offsetof(CPUState, fpr[52]) },
2954
    { "f54", offsetof(CPUState, fpr[54]) },
2955
    { "f56", offsetof(CPUState, fpr[56]) },
2956
    { "f58", offsetof(CPUState, fpr[58]) },
2957
    { "f60", offsetof(CPUState, fpr[60]) },
2958
    { "f62", offsetof(CPUState, fpr[62]) },
2959
    { "asi", offsetof(CPUState, asi) },
2960
    { "pstate", offsetof(CPUState, pstate) },
2961
    { "cansave", offsetof(CPUState, cansave) },
2962
    { "canrestore", offsetof(CPUState, canrestore) },
2963
    { "otherwin", offsetof(CPUState, otherwin) },
2964
    { "wstate", offsetof(CPUState, wstate) },
2965
    { "cleanwin", offsetof(CPUState, cleanwin) },
2966
    { "fprs", offsetof(CPUState, fprs) },
2967
#endif
2968
#endif
2969
    { NULL },
2970
};
2971

    
2972
static void expr_error(Monitor *mon, const char *msg)
2973
{
2974
    monitor_printf(mon, "%s\n", msg);
2975
    longjmp(expr_env, 1);
2976
}
2977

    
2978
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2979
static int get_monitor_def(target_long *pval, const char *name)
2980
{
2981
    const MonitorDef *md;
2982
    void *ptr;
2983

    
2984
    for(md = monitor_defs; md->name != NULL; md++) {
2985
        if (compare_cmd(name, md->name)) {
2986
            if (md->get_value) {
2987
                *pval = md->get_value(md, md->offset);
2988
            } else {
2989
                CPUState *env = mon_get_cpu();
2990
                if (!env)
2991
                    return -2;
2992
                ptr = (uint8_t *)env + md->offset;
2993
                switch(md->type) {
2994
                case MD_I32:
2995
                    *pval = *(int32_t *)ptr;
2996
                    break;
2997
                case MD_TLONG:
2998
                    *pval = *(target_long *)ptr;
2999
                    break;
3000
                default:
3001
                    *pval = 0;
3002
                    break;
3003
                }
3004
            }
3005
            return 0;
3006
        }
3007
    }
3008
    return -1;
3009
}
3010

    
3011
static void next(void)
3012
{
3013
    if (*pch != '\0') {
3014
        pch++;
3015
        while (qemu_isspace(*pch))
3016
            pch++;
3017
    }
3018
}
3019

    
3020
static int64_t expr_sum(Monitor *mon);
3021

    
3022
static int64_t expr_unary(Monitor *mon)
3023
{
3024
    int64_t n;
3025
    char *p;
3026
    int ret;
3027

    
3028
    switch(*pch) {
3029
    case '+':
3030
        next();
3031
        n = expr_unary(mon);
3032
        break;
3033
    case '-':
3034
        next();
3035
        n = -expr_unary(mon);
3036
        break;
3037
    case '~':
3038
        next();
3039
        n = ~expr_unary(mon);
3040
        break;
3041
    case '(':
3042
        next();
3043
        n = expr_sum(mon);
3044
        if (*pch != ')') {
3045
            expr_error(mon, "')' expected");
3046
        }
3047
        next();
3048
        break;
3049
    case '\'':
3050
        pch++;
3051
        if (*pch == '\0')
3052
            expr_error(mon, "character constant expected");
3053
        n = *pch;
3054
        pch++;
3055
        if (*pch != '\'')
3056
            expr_error(mon, "missing terminating \' character");
3057
        next();
3058
        break;
3059
    case '$':
3060
        {
3061
            char buf[128], *q;
3062
            target_long reg=0;
3063

    
3064
            pch++;
3065
            q = buf;
3066
            while ((*pch >= 'a' && *pch <= 'z') ||
3067
                   (*pch >= 'A' && *pch <= 'Z') ||
3068
                   (*pch >= '0' && *pch <= '9') ||
3069
                   *pch == '_' || *pch == '.') {
3070
                if ((q - buf) < sizeof(buf) - 1)
3071
                    *q++ = *pch;
3072
                pch++;
3073
            }
3074
            while (qemu_isspace(*pch))
3075
                pch++;
3076
            *q = 0;
3077
            ret = get_monitor_def(&reg, buf);
3078
            if (ret == -1)
3079
                expr_error(mon, "unknown register");
3080
            else if (ret == -2)
3081
                expr_error(mon, "no cpu defined");
3082
            n = reg;
3083
        }
3084
        break;
3085
    case '\0':
3086
        expr_error(mon, "unexpected end of expression");
3087
        n = 0;
3088
        break;
3089
    default:
3090
#if TARGET_PHYS_ADDR_BITS > 32
3091
        n = strtoull(pch, &p, 0);
3092
#else
3093
        n = strtoul(pch, &p, 0);
3094
#endif
3095
        if (pch == p) {
3096
            expr_error(mon, "invalid char in expression");
3097
        }
3098
        pch = p;
3099
        while (qemu_isspace(*pch))
3100
            pch++;
3101
        break;
3102
    }
3103
    return n;
3104
}
3105

    
3106

    
3107
static int64_t expr_prod(Monitor *mon)
3108
{
3109
    int64_t val, val2;
3110
    int op;
3111

    
3112
    val = expr_unary(mon);
3113
    for(;;) {
3114
        op = *pch;
3115
        if (op != '*' && op != '/' && op != '%')
3116
            break;
3117
        next();
3118
        val2 = expr_unary(mon);
3119
        switch(op) {
3120
        default:
3121
        case '*':
3122
            val *= val2;
3123
            break;
3124
        case '/':
3125
        case '%':
3126
            if (val2 == 0)
3127
                expr_error(mon, "division by zero");
3128
            if (op == '/')
3129
                val /= val2;
3130
            else
3131
                val %= val2;
3132
            break;
3133
        }
3134
    }
3135
    return val;
3136
}
3137

    
3138
static int64_t expr_logic(Monitor *mon)
3139
{
3140
    int64_t val, val2;
3141
    int op;
3142

    
3143
    val = expr_prod(mon);
3144
    for(;;) {
3145
        op = *pch;
3146
        if (op != '&' && op != '|' && op != '^')
3147
            break;
3148
        next();
3149
        val2 = expr_prod(mon);
3150
        switch(op) {
3151
        default:
3152
        case '&':
3153
            val &= val2;
3154
            break;
3155
        case '|':
3156
            val |= val2;
3157
            break;
3158
        case '^':
3159
            val ^= val2;
3160
            break;
3161
        }
3162
    }
3163
    return val;
3164
}
3165

    
3166
static int64_t expr_sum(Monitor *mon)
3167
{
3168
    int64_t val, val2;
3169
    int op;
3170

    
3171
    val = expr_logic(mon);
3172
    for(;;) {
3173
        op = *pch;
3174
        if (op != '+' && op != '-')
3175
            break;
3176
        next();
3177
        val2 = expr_logic(mon);
3178
        if (op == '+')
3179
            val += val2;
3180
        else
3181
            val -= val2;
3182
    }
3183
    return val;
3184
}
3185

    
3186
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3187
{
3188
    pch = *pp;
3189
    if (setjmp(expr_env)) {
3190
        *pp = pch;
3191
        return -1;
3192
    }
3193
    while (qemu_isspace(*pch))
3194
        pch++;
3195
    *pval = expr_sum(mon);
3196
    *pp = pch;
3197
    return 0;
3198
}
3199

    
3200
static int get_str(char *buf, int buf_size, const char **pp)
3201
{
3202
    const char *p;
3203
    char *q;
3204
    int c;
3205

    
3206
    q = buf;
3207
    p = *pp;
3208
    while (qemu_isspace(*p))
3209
        p++;
3210
    if (*p == '\0') {
3211
    fail:
3212
        *q = '\0';
3213
        *pp = p;
3214
        return -1;
3215
    }
3216
    if (*p == '\"') {
3217
        p++;
3218
        while (*p != '\0' && *p != '\"') {
3219
            if (*p == '\\') {
3220
                p++;
3221
                c = *p++;
3222
                switch(c) {
3223
                case 'n':
3224
                    c = '\n';
3225
                    break;
3226
                case 'r':
3227
                    c = '\r';
3228
                    break;
3229
                case '\\':
3230
                case '\'':
3231
                case '\"':
3232
                    break;
3233
                default:
3234
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3235
                    goto fail;
3236
                }
3237
                if ((q - buf) < buf_size - 1) {
3238
                    *q++ = c;
3239
                }
3240
            } else {
3241
                if ((q - buf) < buf_size - 1) {
3242
                    *q++ = *p;
3243
                }
3244
                p++;
3245
            }
3246
        }
3247
        if (*p != '\"') {
3248
            qemu_printf("unterminated string\n");
3249
            goto fail;
3250
        }
3251
        p++;
3252
    } else {
3253
        while (*p != '\0' && !qemu_isspace(*p)) {
3254
            if ((q - buf) < buf_size - 1) {
3255
                *q++ = *p;
3256
            }
3257
            p++;
3258
        }
3259
    }
3260
    *q = '\0';
3261
    *pp = p;
3262
    return 0;
3263
}
3264

    
3265
/*
3266
 * Store the command-name in cmdname, and return a pointer to
3267
 * the remaining of the command string.
3268
 */
3269
static const char *get_command_name(const char *cmdline,
3270
                                    char *cmdname, size_t nlen)
3271
{
3272
    size_t len;
3273
    const char *p, *pstart;
3274

    
3275
    p = cmdline;
3276
    while (qemu_isspace(*p))
3277
        p++;
3278
    if (*p == '\0')
3279
        return NULL;
3280
    pstart = p;
3281
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3282
        p++;
3283
    len = p - pstart;
3284
    if (len > nlen - 1)
3285
        len = nlen - 1;
3286
    memcpy(cmdname, pstart, len);
3287
    cmdname[len] = '\0';
3288
    return p;
3289
}
3290

    
3291
/**
3292
 * Read key of 'type' into 'key' and return the current
3293
 * 'type' pointer.
3294
 */
3295
static char *key_get_info(const char *type, char **key)
3296
{
3297
    size_t len;
3298
    char *p, *str;
3299

    
3300
    if (*type == ',')
3301
        type++;
3302

    
3303
    p = strchr(type, ':');
3304
    if (!p) {
3305
        *key = NULL;
3306
        return NULL;
3307
    }
3308
    len = p - type;
3309

    
3310
    str = qemu_malloc(len + 1);
3311
    memcpy(str, type, len);
3312
    str[len] = '\0';
3313

    
3314
    *key = str;
3315
    return ++p;
3316
}
3317

    
3318
static int default_fmt_format = 'x';
3319
static int default_fmt_size = 4;
3320

    
3321
#define MAX_ARGS 16
3322

    
3323
static int is_valid_option(const char *c, const char *typestr)
3324
{
3325
    char option[3];
3326
  
3327
    option[0] = '-';
3328
    option[1] = *c;
3329
    option[2] = '\0';
3330
  
3331
    typestr = strstr(typestr, option);
3332
    return (typestr != NULL);
3333
}
3334

    
3335
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3336
{
3337
    const mon_cmd_t *cmd;
3338

    
3339
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3340
        if (compare_cmd(cmdname, cmd->name)) {
3341
            return cmd;
3342
        }
3343
    }
3344

    
3345
    return NULL;
3346
}
3347

    
3348
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3349
                                              const char *cmdline,
3350
                                              QDict *qdict)
3351
{
3352
    const char *p, *typestr;
3353
    int c;
3354
    const mon_cmd_t *cmd;
3355
    char cmdname[256];
3356
    char buf[1024];
3357
    char *key;
3358

    
3359
#ifdef DEBUG
3360
    monitor_printf(mon, "command='%s'\n", cmdline);
3361
#endif
3362

    
3363
    /* extract the command name */
3364
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3365
    if (!p)
3366
        return NULL;
3367

    
3368
    cmd = monitor_find_command(cmdname);
3369
    if (!cmd) {
3370
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3371
        return NULL;
3372
    }
3373

    
3374
    /* parse the parameters */
3375
    typestr = cmd->args_type;
3376
    for(;;) {
3377
        typestr = key_get_info(typestr, &key);
3378
        if (!typestr)
3379
            break;
3380
        c = *typestr;
3381
        typestr++;
3382
        switch(c) {
3383
        case 'F':
3384
        case 'B':
3385
        case 's':
3386
            {
3387
                int ret;
3388

    
3389
                while (qemu_isspace(*p))
3390
                    p++;
3391
                if (*typestr == '?') {
3392
                    typestr++;
3393
                    if (*p == '\0') {
3394
                        /* no optional string: NULL argument */
3395
                        break;
3396
                    }
3397
                }
3398
                ret = get_str(buf, sizeof(buf), &p);
3399
                if (ret < 0) {
3400
                    switch(c) {
3401
                    case 'F':
3402
                        monitor_printf(mon, "%s: filename expected\n",
3403
                                       cmdname);
3404
                        break;
3405
                    case 'B':
3406
                        monitor_printf(mon, "%s: block device name expected\n",
3407
                                       cmdname);
3408
                        break;
3409
                    default:
3410
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3411
                        break;
3412
                    }
3413
                    goto fail;
3414
                }
3415
                qdict_put(qdict, key, qstring_from_str(buf));
3416
            }
3417
            break;
3418
        case '/':
3419
            {
3420
                int count, format, size;
3421

    
3422
                while (qemu_isspace(*p))
3423
                    p++;
3424
                if (*p == '/') {
3425
                    /* format found */
3426
                    p++;
3427
                    count = 1;
3428
                    if (qemu_isdigit(*p)) {
3429
                        count = 0;
3430
                        while (qemu_isdigit(*p)) {
3431
                            count = count * 10 + (*p - '0');
3432
                            p++;
3433
                        }
3434
                    }
3435
                    size = -1;
3436
                    format = -1;
3437
                    for(;;) {
3438
                        switch(*p) {
3439
                        case 'o':
3440
                        case 'd':
3441
                        case 'u':
3442
                        case 'x':
3443
                        case 'i':
3444
                        case 'c':
3445
                            format = *p++;
3446
                            break;
3447
                        case 'b':
3448
                            size = 1;
3449
                            p++;
3450
                            break;
3451
                        case 'h':
3452
                            size = 2;
3453
                            p++;
3454
                            break;
3455
                        case 'w':
3456
                            size = 4;
3457
                            p++;
3458
                            break;
3459
                        case 'g':
3460
                        case 'L':
3461
                            size = 8;
3462
                            p++;
3463
                            break;
3464
                        default:
3465
                            goto next;
3466
                        }
3467
                    }
3468
                next:
3469
                    if (*p != '\0' && !qemu_isspace(*p)) {
3470
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3471
                                       *p);
3472
                        goto fail;
3473
                    }
3474
                    if (format < 0)
3475
                        format = default_fmt_format;
3476
                    if (format != 'i') {
3477
                        /* for 'i', not specifying a size gives -1 as size */
3478
                        if (size < 0)
3479
                            size = default_fmt_size;
3480
                        default_fmt_size = size;
3481
                    }
3482
                    default_fmt_format = format;
3483
                } else {
3484
                    count = 1;
3485
                    format = default_fmt_format;
3486
                    if (format != 'i') {
3487
                        size = default_fmt_size;
3488
                    } else {
3489
                        size = -1;
3490
                    }
3491
                }
3492
                qdict_put(qdict, "count", qint_from_int(count));
3493
                qdict_put(qdict, "format", qint_from_int(format));
3494
                qdict_put(qdict, "size", qint_from_int(size));
3495
            }
3496
            break;
3497
        case 'i':
3498
        case 'l':
3499
            {
3500
                int64_t val;
3501

    
3502
                while (qemu_isspace(*p))
3503
                    p++;
3504
                if (*typestr == '?' || *typestr == '.') {
3505
                    if (*typestr == '?') {
3506
                        if (*p == '\0') {
3507
                            typestr++;
3508
                            break;
3509
                        }
3510
                    } else {
3511
                        if (*p == '.') {
3512
                            p++;
3513
                            while (qemu_isspace(*p))
3514
                                p++;
3515
                        } else {
3516
                            typestr++;
3517
                            break;
3518
                        }
3519
                    }
3520
                    typestr++;
3521
                }
3522
                if (get_expr(mon, &val, &p))
3523
                    goto fail;
3524
                /* Check if 'i' is greater than 32-bit */
3525
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3526
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3527
                    monitor_printf(mon, "integer is for 32-bit values\n");
3528
                    goto fail;
3529
                }
3530
                qdict_put(qdict, key, qint_from_int(val));
3531
            }
3532
            break;
3533
        case '-':
3534
            {
3535
                const char *tmp = p;
3536
                int has_option, skip_key = 0;
3537
                /* option */
3538

    
3539
                c = *typestr++;
3540
                if (c == '\0')
3541
                    goto bad_type;
3542
                while (qemu_isspace(*p))
3543
                    p++;
3544
                has_option = 0;
3545
                if (*p == '-') {
3546
                    p++;
3547
                    if(c != *p) {
3548
                        if(!is_valid_option(p, typestr)) {
3549
                  
3550
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3551
                                           cmdname, *p);
3552
                            goto fail;
3553
                        } else {
3554
                            skip_key = 1;
3555
                        }
3556
                    }
3557
                    if(skip_key) {
3558
                        p = tmp;
3559
                    } else {
3560
                        p++;
3561
                        has_option = 1;
3562
                    }
3563
                }
3564
                qdict_put(qdict, key, qint_from_int(has_option));
3565
            }
3566
            break;
3567
        default:
3568
        bad_type:
3569
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3570
            goto fail;
3571
        }
3572
        qemu_free(key);
3573
        key = NULL;
3574
    }
3575
    /* check that all arguments were parsed */
3576
    while (qemu_isspace(*p))
3577
        p++;
3578
    if (*p != '\0') {
3579
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3580
                       cmdname);
3581
        goto fail;
3582
    }
3583

    
3584
    return cmd;
3585

    
3586
fail:
3587
    qemu_free(key);
3588
    return NULL;
3589
}
3590

    
3591
static void monitor_print_error(Monitor *mon)
3592
{
3593
    qerror_print(mon->error);
3594
    QDECREF(mon->error);
3595
    mon->error = NULL;
3596
}
3597

    
3598
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3599
                                 const QDict *params)
3600
{
3601
    QObject *data = NULL;
3602

    
3603
    cmd->mhandler.cmd_new(mon, params, &data);
3604

    
3605
    if (monitor_ctrl_mode(mon)) {
3606
        /* Monitor Protocol */
3607
        monitor_protocol_emitter(mon, data);
3608
    } else {
3609
        /* User Protocol */
3610
         if (data)
3611
            cmd->user_print(mon, data);
3612
    }
3613

    
3614
    qobject_decref(data);
3615
}
3616

    
3617
static void handle_user_command(Monitor *mon, const char *cmdline)
3618
{
3619
    QDict *qdict;
3620
    const mon_cmd_t *cmd;
3621

    
3622
    qdict = qdict_new();
3623

    
3624
    cmd = monitor_parse_command(mon, cmdline, qdict);
3625
    if (!cmd)
3626
        goto out;
3627

    
3628
    qemu_errors_to_mon(mon);
3629

    
3630
    if (monitor_handler_ported(cmd)) {
3631
        monitor_call_handler(mon, cmd, qdict);
3632
    } else {
3633
        cmd->mhandler.cmd(mon, qdict);
3634
    }
3635

    
3636
    if (monitor_has_error(mon))
3637
        monitor_print_error(mon);
3638

    
3639
    qemu_errors_to_previous();
3640

    
3641
out:
3642
    QDECREF(qdict);
3643
}
3644

    
3645
static void cmd_completion(const char *name, const char *list)
3646
{
3647
    const char *p, *pstart;
3648
    char cmd[128];
3649
    int len;
3650

    
3651
    p = list;
3652
    for(;;) {
3653
        pstart = p;
3654
        p = strchr(p, '|');
3655
        if (!p)
3656
            p = pstart + strlen(pstart);
3657
        len = p - pstart;
3658
        if (len > sizeof(cmd) - 2)
3659
            len = sizeof(cmd) - 2;
3660
        memcpy(cmd, pstart, len);
3661
        cmd[len] = '\0';
3662
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3663
            readline_add_completion(cur_mon->rs, cmd);
3664
        }
3665
        if (*p == '\0')
3666
            break;
3667
        p++;
3668
    }
3669
}
3670

    
3671
static void file_completion(const char *input)
3672
{
3673
    DIR *ffs;
3674
    struct dirent *d;
3675
    char path[1024];
3676
    char file[1024], file_prefix[1024];
3677
    int input_path_len;
3678
    const char *p;
3679

    
3680
    p = strrchr(input, '/');
3681
    if (!p) {
3682
        input_path_len = 0;
3683
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3684
        pstrcpy(path, sizeof(path), ".");
3685
    } else {
3686
        input_path_len = p - input + 1;
3687
        memcpy(path, input, input_path_len);
3688
        if (input_path_len > sizeof(path) - 1)
3689
            input_path_len = sizeof(path) - 1;
3690
        path[input_path_len] = '\0';
3691
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3692
    }
3693
#ifdef DEBUG_COMPLETION
3694
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3695
                   input, path, file_prefix);
3696
#endif
3697
    ffs = opendir(path);
3698
    if (!ffs)
3699
        return;
3700
    for(;;) {
3701
        struct stat sb;
3702
        d = readdir(ffs);
3703
        if (!d)
3704
            break;
3705
        if (strstart(d->d_name, file_prefix, NULL)) {
3706
            memcpy(file, input, input_path_len);
3707
            if (input_path_len < sizeof(file))
3708
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3709
                        d->d_name);
3710
            /* stat the file to find out if it's a directory.
3711
             * In that case add a slash to speed up typing long paths
3712
             */
3713
            stat(file, &sb);
3714
            if(S_ISDIR(sb.st_mode))
3715
                pstrcat(file, sizeof(file), "/");
3716
            readline_add_completion(cur_mon->rs, file);
3717
        }
3718
    }
3719
    closedir(ffs);
3720
}
3721

    
3722
static void block_completion_it(void *opaque, BlockDriverState *bs)
3723
{
3724
    const char *name = bdrv_get_device_name(bs);
3725
    const char *input = opaque;
3726

    
3727
    if (input[0] == '\0' ||
3728
        !strncmp(name, (char *)input, strlen(input))) {
3729
        readline_add_completion(cur_mon->rs, name);
3730
    }
3731
}
3732

    
3733
/* NOTE: this parser is an approximate form of the real command parser */
3734
static void parse_cmdline(const char *cmdline,
3735
                         int *pnb_args, char **args)
3736
{
3737
    const char *p;
3738
    int nb_args, ret;
3739
    char buf[1024];
3740

    
3741
    p = cmdline;
3742
    nb_args = 0;
3743
    for(;;) {
3744
        while (qemu_isspace(*p))
3745
            p++;
3746
        if (*p == '\0')
3747
            break;
3748
        if (nb_args >= MAX_ARGS)
3749
            break;
3750
        ret = get_str(buf, sizeof(buf), &p);
3751
        args[nb_args] = qemu_strdup(buf);
3752
        nb_args++;
3753
        if (ret < 0)
3754
            break;
3755
    }
3756
    *pnb_args = nb_args;
3757
}
3758

    
3759
static const char *next_arg_type(const char *typestr)
3760
{
3761
    const char *p = strchr(typestr, ':');
3762
    return (p != NULL ? ++p : typestr);
3763
}
3764

    
3765
static void monitor_find_completion(const char *cmdline)
3766
{
3767
    const char *cmdname;
3768
    char *args[MAX_ARGS];
3769
    int nb_args, i, len;
3770
    const char *ptype, *str;
3771
    const mon_cmd_t *cmd;
3772
    const KeyDef *key;
3773

    
3774
    parse_cmdline(cmdline, &nb_args, args);
3775
#ifdef DEBUG_COMPLETION
3776
    for(i = 0; i < nb_args; i++) {
3777
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3778
    }
3779
#endif
3780

    
3781
    /* if the line ends with a space, it means we want to complete the
3782
       next arg */
3783
    len = strlen(cmdline);
3784
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3785
        if (nb_args >= MAX_ARGS)
3786
            return;
3787
        args[nb_args++] = qemu_strdup("");
3788
    }
3789
    if (nb_args <= 1) {
3790
        /* command completion */
3791
        if (nb_args == 0)
3792
            cmdname = "";
3793
        else
3794
            cmdname = args[0];
3795
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3796
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3797
            cmd_completion(cmdname, cmd->name);
3798
        }
3799
    } else {
3800
        /* find the command */
3801
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3802
            if (compare_cmd(args[0], cmd->name))
3803
                goto found;
3804
        }
3805
        return;
3806
    found:
3807
        ptype = next_arg_type(cmd->args_type);
3808
        for(i = 0; i < nb_args - 2; i++) {
3809
            if (*ptype != '\0') {
3810
                ptype = next_arg_type(ptype);
3811
                while (*ptype == '?')
3812
                    ptype = next_arg_type(ptype);
3813
            }
3814
        }
3815
        str = args[nb_args - 1];
3816
        if (*ptype == '-' && ptype[1] != '\0') {
3817
            ptype += 2;
3818
        }
3819
        switch(*ptype) {
3820
        case 'F':
3821
            /* file completion */
3822
            readline_set_completion_index(cur_mon->rs, strlen(str));
3823
            file_completion(str);
3824
            break;
3825
        case 'B':
3826
            /* block device name completion */
3827
            readline_set_completion_index(cur_mon->rs, strlen(str));
3828
            bdrv_iterate(block_completion_it, (void *)str);
3829
            break;
3830
        case 's':
3831
            /* XXX: more generic ? */
3832
            if (!strcmp(cmd->name, "info")) {
3833
                readline_set_completion_index(cur_mon->rs, strlen(str));
3834
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3835
                    cmd_completion(str, cmd->name);
3836
                }
3837
            } else if (!strcmp(cmd->name, "sendkey")) {
3838
                char *sep = strrchr(str, '-');
3839
                if (sep)
3840
                    str = sep + 1;
3841
                readline_set_completion_index(cur_mon->rs, strlen(str));
3842
                for(key = key_defs; key->name != NULL; key++) {
3843
                    cmd_completion(str, key->name);
3844
                }
3845
            } else if (!strcmp(cmd->name, "help|?")) {
3846
                readline_set_completion_index(cur_mon->rs, strlen(str));
3847
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3848
                    cmd_completion(str, cmd->name);
3849
                }
3850
            }
3851
            break;
3852
        default:
3853
            break;
3854
        }
3855
    }
3856
    for(i = 0; i < nb_args; i++)
3857
        qemu_free(args[i]);
3858
}
3859

    
3860
static int monitor_can_read(void *opaque)
3861
{
3862
    Monitor *mon = opaque;
3863

    
3864
    return (mon->suspend_cnt == 0) ? 128 : 0;
3865
}
3866

    
3867
typedef struct CmdArgs {
3868
    QString *name;
3869
    int type;
3870
    int flag;
3871
    int optional;
3872
} CmdArgs;
3873

    
3874
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3875
{
3876
    if (!cmd_args->optional) {
3877
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3878
        return -1;
3879
    }
3880

    
3881
    if (cmd_args->type == '-') {
3882
        /* handlers expect a value, they need to be changed */
3883
        qdict_put(args, name, qint_from_int(0));
3884
    }
3885

    
3886
    return 0;
3887
}
3888

    
3889
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3890
{
3891
    QObject *value;
3892
    const char *name;
3893

    
3894
    name = qstring_get_str(cmd_args->name);
3895

    
3896
    if (!args) {
3897
        return check_opt(cmd_args, name, args);
3898
    }
3899

    
3900
    value = qdict_get(args, name);
3901
    if (!value) {
3902
        return check_opt(cmd_args, name, args);
3903
    }
3904

    
3905
    switch (cmd_args->type) {
3906
        case 'F':
3907
        case 'B':
3908
        case 's':
3909
            if (qobject_type(value) != QTYPE_QSTRING) {
3910
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3911
                return -1;
3912
            }
3913
            break;
3914
        case '/': {
3915
            int i;
3916
            const char *keys[] = { "count", "format", "size", NULL };
3917

    
3918
            for (i = 0; keys[i]; i++) {
3919
                QObject *obj = qdict_get(args, keys[i]);
3920
                if (!obj) {
3921
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3922
                    return -1;
3923
                }
3924
                if (qobject_type(obj) != QTYPE_QINT) {
3925
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3926
                    return -1;
3927
                }
3928
            }
3929
            break;
3930
        }
3931
        case 'i':
3932
        case 'l':
3933
            if (qobject_type(value) != QTYPE_QINT) {
3934
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3935
                return -1;
3936
            }
3937
            break;
3938
        case '-':
3939
            if (qobject_type(value) != QTYPE_QINT &&
3940
                qobject_type(value) != QTYPE_QBOOL) {
3941
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3942
                return -1;
3943
            }
3944
            if (qobject_type(value) == QTYPE_QBOOL) {
3945
                /* handlers expect a QInt, they need to be changed */
3946
                qdict_put(args, name,
3947
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3948
            }
3949
            break;
3950
        default:
3951
            /* impossible */
3952
            abort();
3953
    }
3954

    
3955
    return 0;
3956
}
3957

    
3958
static void cmd_args_init(CmdArgs *cmd_args)
3959
{
3960
    cmd_args->name = qstring_new();
3961
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3962
}
3963

    
3964
/*
3965
 * This is not trivial, we have to parse Monitor command's argument
3966
 * type syntax to be able to check the arguments provided by clients.
3967
 *
3968
 * In the near future we will be using an array for that and will be
3969
 * able to drop all this parsing...
3970
 */
3971
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3972
{
3973
    int err;
3974
    const char *p;
3975
    CmdArgs cmd_args;
3976

    
3977
    if (cmd->args_type == NULL) {
3978
        return (qdict_size(args) == 0 ? 0 : -1);
3979
    }
3980

    
3981
    err = 0;
3982
    cmd_args_init(&cmd_args);
3983

    
3984
    for (p = cmd->args_type;; p++) {
3985
        if (*p == ':') {
3986
            cmd_args.type = *++p;
3987
            p++;
3988
            if (cmd_args.type == '-') {
3989
                cmd_args.flag = *p++;
3990
                cmd_args.optional = 1;
3991
            } else if (*p == '?') {
3992
                cmd_args.optional = 1;
3993
                p++;
3994
            }
3995

    
3996
            assert(*p == ',' || *p == '\0');
3997
            err = check_arg(&cmd_args, args);
3998

    
3999
            QDECREF(cmd_args.name);
4000
            cmd_args_init(&cmd_args);
4001

    
4002
            if (err < 0) {
4003
                break;
4004
            }
4005
        } else {
4006
            qstring_append_chr(cmd_args.name, *p);
4007
        }
4008

    
4009
        if (*p == '\0') {
4010
            break;
4011
        }
4012
    }
4013

    
4014
    QDECREF(cmd_args.name);
4015
    return err;
4016
}
4017

    
4018
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4019
{
4020
    int err;
4021
    QObject *obj;
4022
    QDict *input, *args;
4023
    const mon_cmd_t *cmd;
4024
    Monitor *mon = cur_mon;
4025
    const char *cmd_name, *info_item;
4026

    
4027
    args = NULL;
4028
    qemu_errors_to_mon(mon);
4029

    
4030
    obj = json_parser_parse(tokens, NULL);
4031
    if (!obj) {
4032
        // FIXME: should be triggered in json_parser_parse()
4033
        qemu_error_new(QERR_JSON_PARSING);
4034
        goto err_out;
4035
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4036
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4037
        qobject_decref(obj);
4038
        goto err_out;
4039
    }
4040

    
4041
    input = qobject_to_qdict(obj);
4042

    
4043
    mon->mc->id = qdict_get(input, "id");
4044
    qobject_incref(mon->mc->id);
4045

    
4046
    obj = qdict_get(input, "execute");
4047
    if (!obj) {
4048
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4049
        goto err_input;
4050
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4051
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4052
        goto err_input;
4053
    }
4054

    
4055
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4056

    
4057
    /*
4058
     * XXX: We need this special case until we get info handlers
4059
     * converted into 'query-' commands
4060
     */
4061
    if (compare_cmd(cmd_name, "info")) {
4062
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4063
        goto err_input;
4064
    } else if (strstart(cmd_name, "query-", &info_item)) {
4065
        cmd = monitor_find_command("info");
4066
        qdict_put_obj(input, "arguments",
4067
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4068
    } else {
4069
        cmd = monitor_find_command(cmd_name);
4070
        if (!cmd) {
4071
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4072
            goto err_input;
4073
        }
4074
    }
4075

    
4076
    obj = qdict_get(input, "arguments");
4077
    if (!obj) {
4078
        args = qdict_new();
4079
    } else {
4080
        args = qobject_to_qdict(obj);
4081
        QINCREF(args);
4082
    }
4083

    
4084
    QDECREF(input);
4085

    
4086
    err = monitor_check_qmp_args(cmd, args);
4087
    if (err < 0) {
4088
        goto err_out;
4089
    }
4090

    
4091
    monitor_call_handler(mon, cmd, args);
4092
    goto out;
4093

    
4094
err_input:
4095
    QDECREF(input);
4096
err_out:
4097
    monitor_protocol_emitter(mon, NULL);
4098
out:
4099
    QDECREF(args);
4100
    qemu_errors_to_previous();
4101
}
4102

    
4103
/**
4104
 * monitor_control_read(): Read and handle QMP input
4105
 */
4106
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4107
{
4108
    Monitor *old_mon = cur_mon;
4109

    
4110
    cur_mon = opaque;
4111

    
4112
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4113

    
4114
    cur_mon = old_mon;
4115
}
4116

    
4117
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4118
{
4119
    Monitor *old_mon = cur_mon;
4120
    int i;
4121

    
4122
    cur_mon = opaque;
4123

    
4124
    if (cur_mon->rs) {
4125
        for (i = 0; i < size; i++)
4126
            readline_handle_byte(cur_mon->rs, buf[i]);
4127
    } else {
4128
        if (size == 0 || buf[size - 1] != 0)
4129
            monitor_printf(cur_mon, "corrupted command\n");
4130
        else
4131
            handle_user_command(cur_mon, (char *)buf);
4132
    }
4133

    
4134
    cur_mon = old_mon;
4135
}
4136

    
4137
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4138
{
4139
    monitor_suspend(mon);
4140
    handle_user_command(mon, cmdline);
4141
    monitor_resume(mon);
4142
}
4143

    
4144
int monitor_suspend(Monitor *mon)
4145
{
4146
    if (!mon->rs)
4147
        return -ENOTTY;
4148
    mon->suspend_cnt++;
4149
    return 0;
4150
}
4151

    
4152
void monitor_resume(Monitor *mon)
4153
{
4154
    if (!mon->rs)
4155
        return;
4156
    if (--mon->suspend_cnt == 0)
4157
        readline_show_prompt(mon->rs);
4158
}
4159

    
4160
/**
4161
 * monitor_control_event(): Print QMP gretting
4162
 */
4163
static void monitor_control_event(void *opaque, int event)
4164
{
4165
    if (event == CHR_EVENT_OPENED) {
4166
        QObject *data;
4167
        Monitor *mon = opaque;
4168

    
4169
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4170

    
4171
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4172
        assert(data != NULL);
4173

    
4174
        monitor_json_emitter(mon, data);
4175
        qobject_decref(data);
4176
    }
4177
}
4178

    
4179
static void monitor_event(void *opaque, int event)
4180
{
4181
    Monitor *mon = opaque;
4182

    
4183
    switch (event) {
4184
    case CHR_EVENT_MUX_IN:
4185
        mon->mux_out = 0;
4186
        if (mon->reset_seen) {
4187
            readline_restart(mon->rs);
4188
            monitor_resume(mon);
4189
            monitor_flush(mon);
4190
        } else {
4191
            mon->suspend_cnt = 0;
4192
        }
4193
        break;
4194

    
4195
    case CHR_EVENT_MUX_OUT:
4196
        if (mon->reset_seen) {
4197
            if (mon->suspend_cnt == 0) {
4198
                monitor_printf(mon, "\n");
4199
            }
4200
            monitor_flush(mon);
4201
            monitor_suspend(mon);
4202
        } else {
4203
            mon->suspend_cnt++;
4204
        }
4205
        mon->mux_out = 1;
4206
        break;
4207

    
4208
    case CHR_EVENT_OPENED:
4209
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4210
                       "information\n", QEMU_VERSION);
4211
        if (!mon->mux_out) {
4212
            readline_show_prompt(mon->rs);
4213
        }
4214
        mon->reset_seen = 1;
4215
        break;
4216
    }
4217
}
4218

    
4219

    
4220
/*
4221
 * Local variables:
4222
 *  c-indent-level: 4
4223
 *  c-basic-offset: 4
4224
 *  tab-width: 8
4225
 * End:
4226
 */
4227

    
4228
void monitor_init(CharDriverState *chr, int flags)
4229
{
4230
    static int is_first_init = 1;
4231
    Monitor *mon;
4232

    
4233
    if (is_first_init) {
4234
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4235
        is_first_init = 0;
4236
    }
4237

    
4238
    mon = qemu_mallocz(sizeof(*mon));
4239

    
4240
    mon->chr = chr;
4241
    mon->flags = flags;
4242
    if (flags & MONITOR_USE_READLINE) {
4243
        mon->rs = readline_init(mon, monitor_find_completion);
4244
        monitor_read_command(mon, 0);
4245
    }
4246

    
4247
    if (monitor_ctrl_mode(mon)) {
4248
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4249
        /* Control mode requires special handlers */
4250
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4251
                              monitor_control_event, mon);
4252
    } else {
4253
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4254
                              monitor_event, mon);
4255
    }
4256

    
4257
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4258
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4259
        cur_mon = mon;
4260
}
4261

    
4262
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4263
{
4264
    BlockDriverState *bs = opaque;
4265
    int ret = 0;
4266

    
4267
    if (bdrv_set_key(bs, password) != 0) {
4268
        monitor_printf(mon, "invalid password\n");
4269
        ret = -EPERM;
4270
    }
4271
    if (mon->password_completion_cb)
4272
        mon->password_completion_cb(mon->password_opaque, ret);
4273

    
4274
    monitor_read_command(mon, 1);
4275
}
4276

    
4277
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4278
                                 BlockDriverCompletionFunc *completion_cb,
4279
                                 void *opaque)
4280
{
4281
    int err;
4282

    
4283
    if (!bdrv_key_required(bs)) {
4284
        if (completion_cb)
4285
            completion_cb(opaque, 0);
4286
        return;
4287
    }
4288

    
4289
    if (monitor_ctrl_mode(mon)) {
4290
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4291
        return;
4292
    }
4293

    
4294
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4295
                   bdrv_get_encrypted_filename(bs));
4296

    
4297
    mon->password_completion_cb = completion_cb;
4298
    mon->password_opaque = opaque;
4299

    
4300
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4301

    
4302
    if (err && completion_cb)
4303
        completion_cb(opaque, err);
4304
}
4305

    
4306
typedef struct QemuErrorSink QemuErrorSink;
4307
struct QemuErrorSink {
4308
    enum {
4309
        ERR_SINK_FILE,
4310
        ERR_SINK_MONITOR,
4311
    } dest;
4312
    union {
4313
        FILE    *fp;
4314
        Monitor *mon;
4315
    };
4316
    QemuErrorSink *previous;
4317
};
4318

    
4319
static QemuErrorSink *qemu_error_sink;
4320

    
4321
void qemu_errors_to_file(FILE *fp)
4322
{
4323
    QemuErrorSink *sink;
4324

    
4325
    sink = qemu_mallocz(sizeof(*sink));
4326
    sink->dest = ERR_SINK_FILE;
4327
    sink->fp = fp;
4328
    sink->previous = qemu_error_sink;
4329
    qemu_error_sink = sink;
4330
}
4331

    
4332
void qemu_errors_to_mon(Monitor *mon)
4333
{
4334
    QemuErrorSink *sink;
4335

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

    
4343
void qemu_errors_to_previous(void)
4344
{
4345
    QemuErrorSink *sink;
4346

    
4347
    assert(qemu_error_sink != NULL);
4348
    sink = qemu_error_sink;
4349
    qemu_error_sink = sink->previous;
4350
    qemu_free(sink);
4351
}
4352

    
4353
void qemu_error(const char *fmt, ...)
4354
{
4355
    va_list args;
4356

    
4357
    assert(qemu_error_sink != NULL);
4358
    switch (qemu_error_sink->dest) {
4359
    case ERR_SINK_FILE:
4360
        va_start(args, fmt);
4361
        vfprintf(qemu_error_sink->fp, fmt, args);
4362
        va_end(args);
4363
        break;
4364
    case ERR_SINK_MONITOR:
4365
        va_start(args, fmt);
4366
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4367
        va_end(args);
4368
        break;
4369
    }
4370
}
4371

    
4372
void qemu_error_internal(const char *file, int linenr, const char *func,
4373
                         const char *fmt, ...)
4374
{
4375
    va_list va;
4376
    QError *qerror;
4377

    
4378
    assert(qemu_error_sink != NULL);
4379

    
4380
    va_start(va, fmt);
4381
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4382
    va_end(va);
4383

    
4384
    switch (qemu_error_sink->dest) {
4385
    case ERR_SINK_FILE:
4386
        qerror_print(qerror);
4387
        QDECREF(qerror);
4388
        break;
4389
    case ERR_SINK_MONITOR:
4390
        assert(qemu_error_sink->mon->error == NULL);
4391
        qemu_error_sink->mon->error = qerror;
4392
        break;
4393
    }
4394
}