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

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

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

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

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

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

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

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

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

    
130
Monitor *cur_mon = NULL;
131

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
274
    QDECREF(json);
275
}
276

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

    
281
    qmp = qdict_new();
282

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

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

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

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

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

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

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

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

    
339
    assert(event < QEVENT_MAX);
340

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

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

    
365
    qmp = qdict_new();
366
    timestamp_put(qmp);
367
    qdict_put(qmp, "event", qstring_from_str(event_name));
368
    if (data) {
369
        qobject_incref(data);
370
        qdict_put_obj(qmp, "data", data);
371
    }
372

    
373
    monitor_json_emitter(mon, QOBJECT(qmp));
374
    QDECREF(qmp);
375
}
376

    
377
static int compare_cmd(const char *name, const char *list)
378
{
379
    const char *p, *pstart;
380
    int len;
381
    len = strlen(name);
382
    p = list;
383
    for(;;) {
384
        pstart = p;
385
        p = strchr(p, '|');
386
        if (!p)
387
            p = pstart + strlen(pstart);
388
        if ((p - pstart) == len && !memcmp(pstart, name, len))
389
            return 1;
390
        if (*p == '\0')
391
            break;
392
        p++;
393
    }
394
    return 0;
395
}
396

    
397
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
398
                          const char *prefix, const char *name)
399
{
400
    const mon_cmd_t *cmd;
401

    
402
    for(cmd = cmds; cmd->name != NULL; cmd++) {
403
        if (!name || !strcmp(name, cmd->name))
404
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
405
                           cmd->params, cmd->help);
406
    }
407
}
408

    
409
static void help_cmd(Monitor *mon, const char *name)
410
{
411
    if (name && !strcmp(name, "info")) {
412
        help_cmd_dump(mon, info_cmds, "info ", NULL);
413
    } else {
414
        help_cmd_dump(mon, mon_cmds, "", name);
415
        if (name && !strcmp(name, "log")) {
416
            const CPULogItem *item;
417
            monitor_printf(mon, "Log items (comma separated):\n");
418
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
419
            for(item = cpu_log_items; item->mask != 0; item++) {
420
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
421
            }
422
        }
423
    }
424
}
425

    
426
static void do_help_cmd(Monitor *mon, const QDict *qdict)
427
{
428
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
429
}
430

    
431
static void do_commit(Monitor *mon, const QDict *qdict)
432
{
433
    int all_devices;
434
    DriveInfo *dinfo;
435
    const char *device = qdict_get_str(qdict, "device");
436

    
437
    all_devices = !strcmp(device, "all");
438
    QTAILQ_FOREACH(dinfo, &drives, next) {
439
        if (!all_devices)
440
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
441
                continue;
442
        bdrv_commit(dinfo->bdrv);
443
    }
444
}
445

    
446
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
447
{
448
    const mon_cmd_t *cmd;
449
    const char *item = qdict_get_try_str(qdict, "item");
450

    
451
    if (!item) {
452
        assert(monitor_ctrl_mode(mon) == 0);
453
        goto help;
454
    }
455

    
456
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
457
        if (compare_cmd(item, cmd->name))
458
            break;
459
    }
460

    
461
    if (cmd->name == NULL) {
462
        if (monitor_ctrl_mode(mon)) {
463
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
464
            return;
465
        }
466
        goto help;
467
    }
468

    
469
    if (monitor_handler_ported(cmd)) {
470
        cmd->mhandler.info_new(mon, ret_data);
471

    
472
        if (!monitor_ctrl_mode(mon)) {
473
            /*
474
             * User Protocol function is called here, Monitor Protocol is
475
             * handled by monitor_call_handler()
476
             */
477
            if (*ret_data)
478
                cmd->user_print(mon, *ret_data);
479
        }
480
    } else {
481
        if (monitor_ctrl_mode(mon)) {
482
            /* handler not converted yet */
483
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
484
        } else {
485
            cmd->mhandler.info(mon);
486
        }
487
    }
488

    
489
    return;
490

    
491
help:
492
    help_cmd(mon, "info");
493
}
494

    
495
static void do_info_version_print(Monitor *mon, const QObject *data)
496
{
497
    QDict *qdict;
498

    
499
    qdict = qobject_to_qdict(data);
500

    
501
    monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
502
                                  qdict_get_str(qdict, "package"));
503
}
504

    
505
/**
506
 * do_info_version(): Show QEMU version
507
 *
508
 * Return a QDict with the following information:
509
 *
510
 * - "qemu": QEMU's version
511
 * - "package": package's version
512
 *
513
 * Example:
514
 *
515
 * { "qemu": "0.11.50", "package": "" }
516
 */
517
static void do_info_version(Monitor *mon, QObject **ret_data)
518
{
519
    *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
520
                                   QEMU_VERSION, QEMU_PKGVERSION);
521
}
522

    
523
static void do_info_name_print(Monitor *mon, const QObject *data)
524
{
525
    QDict *qdict;
526

    
527
    qdict = qobject_to_qdict(data);
528
    if (qdict_size(qdict) == 0) {
529
        return;
530
    }
531

    
532
    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
533
}
534

    
535
/**
536
 * do_info_name(): Show VM name
537
 *
538
 * Return a QDict with the following information:
539
 *
540
 * - "name": VM's name (optional)
541
 *
542
 * Example:
543
 *
544
 * { "name": "qemu-name" }
545
 */
546
static void do_info_name(Monitor *mon, QObject **ret_data)
547
{
548
    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
549
                            qobject_from_jsonf("{}");
550
}
551

    
552
static QObject *get_cmd_dict(const char *name)
553
{
554
    const char *p;
555

    
556
    /* Remove '|' from some commands */
557
    p = strchr(name, '|');
558
    if (p) {
559
        p++;
560
    } else {
561
        p = name;
562
    }
563

    
564
    return qobject_from_jsonf("{ 'name': %s }", p);
565
}
566

    
567
/**
568
 * do_info_commands(): List QMP available commands
569
 *
570
 * Each command is represented by a QDict, the returned QObject is a QList
571
 * of all commands.
572
 *
573
 * The QDict contains:
574
 *
575
 * - "name": command's name
576
 *
577
 * Example:
578
 *
579
 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
580
 */
581
static void do_info_commands(Monitor *mon, QObject **ret_data)
582
{
583
    QList *cmd_list;
584
    const mon_cmd_t *cmd;
585

    
586
    cmd_list = qlist_new();
587

    
588
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
589
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
590
            qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
591
        }
592
    }
593

    
594
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
595
        if (monitor_handler_ported(cmd)) {
596
            char buf[128];
597
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
598
            qlist_append_obj(cmd_list, get_cmd_dict(buf));
599
        }
600
    }
601

    
602
    *ret_data = QOBJECT(cmd_list);
603
}
604

    
605
#if defined(TARGET_I386)
606
static void do_info_hpet_print(Monitor *mon, const QObject *data)
607
{
608
    monitor_printf(mon, "HPET is %s by QEMU\n",
609
                   qdict_get_bool(qobject_to_qdict(data), "enabled") ?
610
                   "enabled" : "disabled");
611
}
612

    
613
/**
614
 * do_info_hpet(): Show HPET state
615
 *
616
 * Return a QDict with the following information:
617
 *
618
 * - "enabled": true if hpet if enabled, false otherwise
619
 *
620
 * Example:
621
 *
622
 * { "enabled": true }
623
 */
624
static void do_info_hpet(Monitor *mon, QObject **ret_data)
625
{
626
    *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
627
}
628
#endif
629

    
630
static void do_info_uuid_print(Monitor *mon, const QObject *data)
631
{
632
    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
633
}
634

    
635
/**
636
 * do_info_uuid(): Show VM UUID
637
 *
638
 * Return a QDict with the following information:
639
 *
640
 * - "UUID": Universally Unique Identifier
641
 *
642
 * Example:
643
 *
644
 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
645
 */
646
static void do_info_uuid(Monitor *mon, QObject **ret_data)
647
{
648
    char uuid[64];
649

    
650
    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
651
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
652
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
653
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
654
                   qemu_uuid[14], qemu_uuid[15]);
655
    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
656
}
657

    
658
/* get the current CPU defined by the user */
659
static int mon_set_cpu(int cpu_index)
660
{
661
    CPUState *env;
662

    
663
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
664
        if (env->cpu_index == cpu_index) {
665
            cur_mon->mon_cpu = env;
666
            return 0;
667
        }
668
    }
669
    return -1;
670
}
671

    
672
static CPUState *mon_get_cpu(void)
673
{
674
    if (!cur_mon->mon_cpu) {
675
        mon_set_cpu(0);
676
    }
677
    cpu_synchronize_state(cur_mon->mon_cpu);
678
    return cur_mon->mon_cpu;
679
}
680

    
681
static void do_info_registers(Monitor *mon)
682
{
683
    CPUState *env;
684
    env = mon_get_cpu();
685
    if (!env)
686
        return;
687
#ifdef TARGET_I386
688
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
689
                   X86_DUMP_FPU);
690
#else
691
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
692
                   0);
693
#endif
694
}
695

    
696
static void print_cpu_iter(QObject *obj, void *opaque)
697
{
698
    QDict *cpu;
699
    int active = ' ';
700
    Monitor *mon = opaque;
701

    
702
    assert(qobject_type(obj) == QTYPE_QDICT);
703
    cpu = qobject_to_qdict(obj);
704

    
705
    if (qdict_get_bool(cpu, "current")) {
706
        active = '*';
707
    }
708

    
709
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
710

    
711
#if defined(TARGET_I386)
712
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
713
                   (target_ulong) qdict_get_int(cpu, "pc"));
714
#elif defined(TARGET_PPC)
715
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
716
                   (target_long) qdict_get_int(cpu, "nip"));
717
#elif defined(TARGET_SPARC)
718
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
719
                   (target_long) qdict_get_int(cpu, "pc"));
720
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
721
                   (target_long) qdict_get_int(cpu, "npc"));
722
#elif defined(TARGET_MIPS)
723
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
724
                   (target_long) qdict_get_int(cpu, "PC"));
725
#endif
726

    
727
    if (qdict_get_bool(cpu, "halted")) {
728
        monitor_printf(mon, " (halted)");
729
    }
730

    
731
    monitor_printf(mon, "\n");
732
}
733

    
734
static void monitor_print_cpus(Monitor *mon, const QObject *data)
735
{
736
    QList *cpu_list;
737

    
738
    assert(qobject_type(data) == QTYPE_QLIST);
739
    cpu_list = qobject_to_qlist(data);
740
    qlist_iter(cpu_list, print_cpu_iter, mon);
741
}
742

    
743
/**
744
 * do_info_cpus(): Show CPU information
745
 *
746
 * Return a QList. Each CPU is represented by a QDict, which contains:
747
 *
748
 * - "cpu": CPU index
749
 * - "current": true if this is the current CPU, false otherwise
750
 * - "halted": true if the cpu is halted, false otherwise
751
 * - Current program counter. The key's name depends on the architecture:
752
 *      "pc": i386/x86)64
753
 *      "nip": PPC
754
 *      "pc" and "npc": sparc
755
 *      "PC": mips
756
 *
757
 * Example:
758
 *
759
 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
760
 *   { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
761
 */
762
static void do_info_cpus(Monitor *mon, QObject **ret_data)
763
{
764
    CPUState *env;
765
    QList *cpu_list;
766

    
767
    cpu_list = qlist_new();
768

    
769
    /* just to set the default cpu if not already done */
770
    mon_get_cpu();
771

    
772
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
773
        QDict *cpu;
774
        QObject *obj;
775

    
776
        cpu_synchronize_state(env);
777

    
778
        obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
779
                                 env->cpu_index, env == mon->mon_cpu,
780
                                 env->halted);
781
        assert(obj != NULL);
782

    
783
        cpu = qobject_to_qdict(obj);
784

    
785
#if defined(TARGET_I386)
786
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
787
#elif defined(TARGET_PPC)
788
        qdict_put(cpu, "nip", qint_from_int(env->nip));
789
#elif defined(TARGET_SPARC)
790
        qdict_put(cpu, "pc", qint_from_int(env->pc));
791
        qdict_put(cpu, "npc", qint_from_int(env->npc));
792
#elif defined(TARGET_MIPS)
793
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
794
#endif
795

    
796
        qlist_append(cpu_list, cpu);
797
    }
798

    
799
    *ret_data = QOBJECT(cpu_list);
800
}
801

    
802
static void do_cpu_set(Monitor *mon, const QDict *qdict)
803
{
804
    int index = qdict_get_int(qdict, "index");
805
    if (mon_set_cpu(index) < 0)
806
        monitor_printf(mon, "Invalid CPU index\n");
807
}
808

    
809
static void do_info_jit(Monitor *mon)
810
{
811
    dump_exec_info((FILE *)mon, monitor_fprintf);
812
}
813

    
814
static void do_info_history(Monitor *mon)
815
{
816
    int i;
817
    const char *str;
818

    
819
    if (!mon->rs)
820
        return;
821
    i = 0;
822
    for(;;) {
823
        str = readline_get_history(mon->rs, i);
824
        if (!str)
825
            break;
826
        monitor_printf(mon, "%d: '%s'\n", i, str);
827
        i++;
828
    }
829
}
830

    
831
#if defined(TARGET_PPC)
832
/* XXX: not implemented in other targets */
833
static void do_info_cpu_stats(Monitor *mon)
834
{
835
    CPUState *env;
836

    
837
    env = mon_get_cpu();
838
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
839
}
840
#endif
841

    
842
/**
843
 * do_quit(): Quit QEMU execution
844
 */
845
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
846
{
847
    exit(0);
848
}
849

    
850
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
851
{
852
    if (bdrv_is_inserted(bs)) {
853
        if (!force) {
854
            if (!bdrv_is_removable(bs)) {
855
                qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
856
                               bdrv_get_device_name(bs));
857
                return -1;
858
            }
859
            if (bdrv_is_locked(bs)) {
860
                qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
861
                return -1;
862
            }
863
        }
864
        bdrv_close(bs);
865
    }
866
    return 0;
867
}
868

    
869
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
870
{
871
    BlockDriverState *bs;
872
    int force = qdict_get_int(qdict, "force");
873
    const char *filename = qdict_get_str(qdict, "device");
874

    
875
    bs = bdrv_find(filename);
876
    if (!bs) {
877
        qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
878
        return;
879
    }
880
    eject_device(mon, bs, force);
881
}
882

    
883
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
884
                                QObject **ret_data)
885
{
886
    BlockDriverState *bs;
887

    
888
    bs = bdrv_find(qdict_get_str(qdict, "device"));
889
    if (!bs) {
890
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
891
        return;
892
    }
893

    
894
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
895
        qemu_error_new(QERR_INVALID_PASSWORD);
896
    }
897
}
898

    
899
static void do_change_block(Monitor *mon, const char *device,
900
                            const char *filename, const char *fmt)
901
{
902
    BlockDriverState *bs;
903
    BlockDriver *drv = NULL;
904

    
905
    bs = bdrv_find(device);
906
    if (!bs) {
907
        qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
908
        return;
909
    }
910
    if (fmt) {
911
        drv = bdrv_find_whitelisted_format(fmt);
912
        if (!drv) {
913
            qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
914
            return;
915
        }
916
    }
917
    if (eject_device(mon, bs, 0) < 0)
918
        return;
919
    bdrv_open2(bs, filename, 0, drv);
920
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
921
}
922

    
923
static void change_vnc_password(const char *password)
924
{
925
    if (vnc_display_password(NULL, password) < 0)
926
        qemu_error_new(QERR_SET_PASSWD_FAILED);
927

    
928
}
929

    
930
static void change_vnc_password_cb(Monitor *mon, const char *password,
931
                                   void *opaque)
932
{
933
    change_vnc_password(password);
934
    monitor_read_command(mon, 1);
935
}
936

    
937
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
938
{
939
    if (strcmp(target, "passwd") == 0 ||
940
        strcmp(target, "password") == 0) {
941
        if (arg) {
942
            char password[9];
943
            strncpy(password, arg, sizeof(password));
944
            password[sizeof(password) - 1] = '\0';
945
            change_vnc_password(password);
946
        } else {
947
            monitor_read_password(mon, change_vnc_password_cb, NULL);
948
        }
949
    } else {
950
        if (vnc_display_open(NULL, target) < 0)
951
            qemu_error_new(QERR_VNC_SERVER_FAILED, target);
952
    }
953
}
954

    
955
/**
956
 * do_change(): Change a removable medium, or VNC configuration
957
 */
958
static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
959
{
960
    const char *device = qdict_get_str(qdict, "device");
961
    const char *target = qdict_get_str(qdict, "target");
962
    const char *arg = qdict_get_try_str(qdict, "arg");
963
    if (strcmp(device, "vnc") == 0) {
964
        do_change_vnc(mon, target, arg);
965
    } else {
966
        do_change_block(mon, device, target, arg);
967
    }
968
}
969

    
970
static void do_screen_dump(Monitor *mon, const QDict *qdict)
971
{
972
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
973
}
974

    
975
static void do_logfile(Monitor *mon, const QDict *qdict)
976
{
977
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
978
}
979

    
980
static void do_log(Monitor *mon, const QDict *qdict)
981
{
982
    int mask;
983
    const char *items = qdict_get_str(qdict, "items");
984

    
985
    if (!strcmp(items, "none")) {
986
        mask = 0;
987
    } else {
988
        mask = cpu_str_to_log_mask(items);
989
        if (!mask) {
990
            help_cmd(mon, "log");
991
            return;
992
        }
993
    }
994
    cpu_set_log(mask);
995
}
996

    
997
static void do_singlestep(Monitor *mon, const QDict *qdict)
998
{
999
    const char *option = qdict_get_try_str(qdict, "option");
1000
    if (!option || !strcmp(option, "on")) {
1001
        singlestep = 1;
1002
    } else if (!strcmp(option, "off")) {
1003
        singlestep = 0;
1004
    } else {
1005
        monitor_printf(mon, "unexpected option %s\n", option);
1006
    }
1007
}
1008

    
1009
/**
1010
 * do_stop(): Stop VM execution
1011
 */
1012
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1013
{
1014
    vm_stop(EXCP_INTERRUPT);
1015
}
1016

    
1017
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1018

    
1019
struct bdrv_iterate_context {
1020
    Monitor *mon;
1021
    int err;
1022
};
1023

    
1024
/**
1025
 * do_cont(): Resume emulation.
1026
 */
1027
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1028
{
1029
    struct bdrv_iterate_context context = { mon, 0 };
1030

    
1031
    bdrv_iterate(encrypted_bdrv_it, &context);
1032
    /* only resume the vm if all keys are set and valid */
1033
    if (!context.err)
1034
        vm_start();
1035
}
1036

    
1037
static void bdrv_key_cb(void *opaque, int err)
1038
{
1039
    Monitor *mon = opaque;
1040

    
1041
    /* another key was set successfully, retry to continue */
1042
    if (!err)
1043
        do_cont(mon, NULL, NULL);
1044
}
1045

    
1046
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1047
{
1048
    struct bdrv_iterate_context *context = opaque;
1049

    
1050
    if (!context->err && bdrv_key_required(bs)) {
1051
        context->err = -EBUSY;
1052
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1053
                                    context->mon);
1054
    }
1055
}
1056

    
1057
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1058
{
1059
    const char *device = qdict_get_try_str(qdict, "device");
1060
    if (!device)
1061
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
1062
    if (gdbserver_start(device) < 0) {
1063
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1064
                       device);
1065
    } else if (strcmp(device, "none") == 0) {
1066
        monitor_printf(mon, "Disabled gdbserver\n");
1067
    } else {
1068
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1069
                       device);
1070
    }
1071
}
1072

    
1073
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1074
{
1075
    const char *action = qdict_get_str(qdict, "action");
1076
    if (select_watchdog_action(action) == -1) {
1077
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1078
    }
1079
}
1080

    
1081
static void monitor_printc(Monitor *mon, int c)
1082
{
1083
    monitor_printf(mon, "'");
1084
    switch(c) {
1085
    case '\'':
1086
        monitor_printf(mon, "\\'");
1087
        break;
1088
    case '\\':
1089
        monitor_printf(mon, "\\\\");
1090
        break;
1091
    case '\n':
1092
        monitor_printf(mon, "\\n");
1093
        break;
1094
    case '\r':
1095
        monitor_printf(mon, "\\r");
1096
        break;
1097
    default:
1098
        if (c >= 32 && c <= 126) {
1099
            monitor_printf(mon, "%c", c);
1100
        } else {
1101
            monitor_printf(mon, "\\x%02x", c);
1102
        }
1103
        break;
1104
    }
1105
    monitor_printf(mon, "'");
1106
}
1107

    
1108
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1109
                        target_phys_addr_t addr, int is_physical)
1110
{
1111
    CPUState *env;
1112
    int l, line_size, i, max_digits, len;
1113
    uint8_t buf[16];
1114
    uint64_t v;
1115

    
1116
    if (format == 'i') {
1117
        int flags;
1118
        flags = 0;
1119
        env = mon_get_cpu();
1120
        if (!env && !is_physical)
1121
            return;
1122
#ifdef TARGET_I386
1123
        if (wsize == 2) {
1124
            flags = 1;
1125
        } else if (wsize == 4) {
1126
            flags = 0;
1127
        } else {
1128
            /* as default we use the current CS size */
1129
            flags = 0;
1130
            if (env) {
1131
#ifdef TARGET_X86_64
1132
                if ((env->efer & MSR_EFER_LMA) &&
1133
                    (env->segs[R_CS].flags & DESC_L_MASK))
1134
                    flags = 2;
1135
                else
1136
#endif
1137
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1138
                    flags = 1;
1139
            }
1140
        }
1141
#endif
1142
        monitor_disas(mon, env, addr, count, is_physical, flags);
1143
        return;
1144
    }
1145

    
1146
    len = wsize * count;
1147
    if (wsize == 1)
1148
        line_size = 8;
1149
    else
1150
        line_size = 16;
1151
    max_digits = 0;
1152

    
1153
    switch(format) {
1154
    case 'o':
1155
        max_digits = (wsize * 8 + 2) / 3;
1156
        break;
1157
    default:
1158
    case 'x':
1159
        max_digits = (wsize * 8) / 4;
1160
        break;
1161
    case 'u':
1162
    case 'd':
1163
        max_digits = (wsize * 8 * 10 + 32) / 33;
1164
        break;
1165
    case 'c':
1166
        wsize = 1;
1167
        break;
1168
    }
1169

    
1170
    while (len > 0) {
1171
        if (is_physical)
1172
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1173
        else
1174
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1175
        l = len;
1176
        if (l > line_size)
1177
            l = line_size;
1178
        if (is_physical) {
1179
            cpu_physical_memory_rw(addr, buf, l, 0);
1180
        } else {
1181
            env = mon_get_cpu();
1182
            if (!env)
1183
                break;
1184
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1185
                monitor_printf(mon, " Cannot access memory\n");
1186
                break;
1187
            }
1188
        }
1189
        i = 0;
1190
        while (i < l) {
1191
            switch(wsize) {
1192
            default:
1193
            case 1:
1194
                v = ldub_raw(buf + i);
1195
                break;
1196
            case 2:
1197
                v = lduw_raw(buf + i);
1198
                break;
1199
            case 4:
1200
                v = (uint32_t)ldl_raw(buf + i);
1201
                break;
1202
            case 8:
1203
                v = ldq_raw(buf + i);
1204
                break;
1205
            }
1206
            monitor_printf(mon, " ");
1207
            switch(format) {
1208
            case 'o':
1209
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1210
                break;
1211
            case 'x':
1212
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1213
                break;
1214
            case 'u':
1215
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1216
                break;
1217
            case 'd':
1218
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1219
                break;
1220
            case 'c':
1221
                monitor_printc(mon, v);
1222
                break;
1223
            }
1224
            i += wsize;
1225
        }
1226
        monitor_printf(mon, "\n");
1227
        addr += l;
1228
        len -= l;
1229
    }
1230
}
1231

    
1232
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1233
{
1234
    int count = qdict_get_int(qdict, "count");
1235
    int format = qdict_get_int(qdict, "format");
1236
    int size = qdict_get_int(qdict, "size");
1237
    target_long addr = qdict_get_int(qdict, "addr");
1238

    
1239
    memory_dump(mon, count, format, size, addr, 0);
1240
}
1241

    
1242
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1243
{
1244
    int count = qdict_get_int(qdict, "count");
1245
    int format = qdict_get_int(qdict, "format");
1246
    int size = qdict_get_int(qdict, "size");
1247
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1248

    
1249
    memory_dump(mon, count, format, size, addr, 1);
1250
}
1251

    
1252
static void do_print(Monitor *mon, const QDict *qdict)
1253
{
1254
    int format = qdict_get_int(qdict, "format");
1255
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1256

    
1257
#if TARGET_PHYS_ADDR_BITS == 32
1258
    switch(format) {
1259
    case 'o':
1260
        monitor_printf(mon, "%#o", val);
1261
        break;
1262
    case 'x':
1263
        monitor_printf(mon, "%#x", val);
1264
        break;
1265
    case 'u':
1266
        monitor_printf(mon, "%u", val);
1267
        break;
1268
    default:
1269
    case 'd':
1270
        monitor_printf(mon, "%d", val);
1271
        break;
1272
    case 'c':
1273
        monitor_printc(mon, val);
1274
        break;
1275
    }
1276
#else
1277
    switch(format) {
1278
    case 'o':
1279
        monitor_printf(mon, "%#" PRIo64, val);
1280
        break;
1281
    case 'x':
1282
        monitor_printf(mon, "%#" PRIx64, val);
1283
        break;
1284
    case 'u':
1285
        monitor_printf(mon, "%" PRIu64, val);
1286
        break;
1287
    default:
1288
    case 'd':
1289
        monitor_printf(mon, "%" PRId64, val);
1290
        break;
1291
    case 'c':
1292
        monitor_printc(mon, val);
1293
        break;
1294
    }
1295
#endif
1296
    monitor_printf(mon, "\n");
1297
}
1298

    
1299
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1300
{
1301
    FILE *f;
1302
    uint32_t size = qdict_get_int(qdict, "size");
1303
    const char *filename = qdict_get_str(qdict, "filename");
1304
    target_long addr = qdict_get_int(qdict, "val");
1305
    uint32_t l;
1306
    CPUState *env;
1307
    uint8_t buf[1024];
1308

    
1309
    env = mon_get_cpu();
1310
    if (!env)
1311
        return;
1312

    
1313
    f = fopen(filename, "wb");
1314
    if (!f) {
1315
        monitor_printf(mon, "could not open '%s'\n", filename);
1316
        return;
1317
    }
1318
    while (size != 0) {
1319
        l = sizeof(buf);
1320
        if (l > size)
1321
            l = size;
1322
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1323
        fwrite(buf, 1, l, f);
1324
        addr += l;
1325
        size -= l;
1326
    }
1327
    fclose(f);
1328
}
1329

    
1330
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1331
                                    QObject **ret_data)
1332
{
1333
    FILE *f;
1334
    uint32_t l;
1335
    uint8_t buf[1024];
1336
    uint32_t size = qdict_get_int(qdict, "size");
1337
    const char *filename = qdict_get_str(qdict, "filename");
1338
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1339

    
1340
    f = fopen(filename, "wb");
1341
    if (!f) {
1342
        monitor_printf(mon, "could not open '%s'\n", filename);
1343
        return;
1344
    }
1345
    while (size != 0) {
1346
        l = sizeof(buf);
1347
        if (l > size)
1348
            l = size;
1349
        cpu_physical_memory_rw(addr, buf, l, 0);
1350
        fwrite(buf, 1, l, f);
1351
        fflush(f);
1352
        addr += l;
1353
        size -= l;
1354
    }
1355
    fclose(f);
1356
}
1357

    
1358
static void do_sum(Monitor *mon, const QDict *qdict)
1359
{
1360
    uint32_t addr;
1361
    uint8_t buf[1];
1362
    uint16_t sum;
1363
    uint32_t start = qdict_get_int(qdict, "start");
1364
    uint32_t size = qdict_get_int(qdict, "size");
1365

    
1366
    sum = 0;
1367
    for(addr = start; addr < (start + size); addr++) {
1368
        cpu_physical_memory_rw(addr, buf, 1, 0);
1369
        /* BSD sum algorithm ('sum' Unix command) */
1370
        sum = (sum >> 1) | (sum << 15);
1371
        sum += buf[0];
1372
    }
1373
    monitor_printf(mon, "%05d\n", sum);
1374
}
1375

    
1376
typedef struct {
1377
    int keycode;
1378
    const char *name;
1379
} KeyDef;
1380

    
1381
static const KeyDef key_defs[] = {
1382
    { 0x2a, "shift" },
1383
    { 0x36, "shift_r" },
1384

    
1385
    { 0x38, "alt" },
1386
    { 0xb8, "alt_r" },
1387
    { 0x64, "altgr" },
1388
    { 0xe4, "altgr_r" },
1389
    { 0x1d, "ctrl" },
1390
    { 0x9d, "ctrl_r" },
1391

    
1392
    { 0xdd, "menu" },
1393

    
1394
    { 0x01, "esc" },
1395

    
1396
    { 0x02, "1" },
1397
    { 0x03, "2" },
1398
    { 0x04, "3" },
1399
    { 0x05, "4" },
1400
    { 0x06, "5" },
1401
    { 0x07, "6" },
1402
    { 0x08, "7" },
1403
    { 0x09, "8" },
1404
    { 0x0a, "9" },
1405
    { 0x0b, "0" },
1406
    { 0x0c, "minus" },
1407
    { 0x0d, "equal" },
1408
    { 0x0e, "backspace" },
1409

    
1410
    { 0x0f, "tab" },
1411
    { 0x10, "q" },
1412
    { 0x11, "w" },
1413
    { 0x12, "e" },
1414
    { 0x13, "r" },
1415
    { 0x14, "t" },
1416
    { 0x15, "y" },
1417
    { 0x16, "u" },
1418
    { 0x17, "i" },
1419
    { 0x18, "o" },
1420
    { 0x19, "p" },
1421

    
1422
    { 0x1c, "ret" },
1423

    
1424
    { 0x1e, "a" },
1425
    { 0x1f, "s" },
1426
    { 0x20, "d" },
1427
    { 0x21, "f" },
1428
    { 0x22, "g" },
1429
    { 0x23, "h" },
1430
    { 0x24, "j" },
1431
    { 0x25, "k" },
1432
    { 0x26, "l" },
1433

    
1434
    { 0x2c, "z" },
1435
    { 0x2d, "x" },
1436
    { 0x2e, "c" },
1437
    { 0x2f, "v" },
1438
    { 0x30, "b" },
1439
    { 0x31, "n" },
1440
    { 0x32, "m" },
1441
    { 0x33, "comma" },
1442
    { 0x34, "dot" },
1443
    { 0x35, "slash" },
1444

    
1445
    { 0x37, "asterisk" },
1446

    
1447
    { 0x39, "spc" },
1448
    { 0x3a, "caps_lock" },
1449
    { 0x3b, "f1" },
1450
    { 0x3c, "f2" },
1451
    { 0x3d, "f3" },
1452
    { 0x3e, "f4" },
1453
    { 0x3f, "f5" },
1454
    { 0x40, "f6" },
1455
    { 0x41, "f7" },
1456
    { 0x42, "f8" },
1457
    { 0x43, "f9" },
1458
    { 0x44, "f10" },
1459
    { 0x45, "num_lock" },
1460
    { 0x46, "scroll_lock" },
1461

    
1462
    { 0xb5, "kp_divide" },
1463
    { 0x37, "kp_multiply" },
1464
    { 0x4a, "kp_subtract" },
1465
    { 0x4e, "kp_add" },
1466
    { 0x9c, "kp_enter" },
1467
    { 0x53, "kp_decimal" },
1468
    { 0x54, "sysrq" },
1469

    
1470
    { 0x52, "kp_0" },
1471
    { 0x4f, "kp_1" },
1472
    { 0x50, "kp_2" },
1473
    { 0x51, "kp_3" },
1474
    { 0x4b, "kp_4" },
1475
    { 0x4c, "kp_5" },
1476
    { 0x4d, "kp_6" },
1477
    { 0x47, "kp_7" },
1478
    { 0x48, "kp_8" },
1479
    { 0x49, "kp_9" },
1480

    
1481
    { 0x56, "<" },
1482

    
1483
    { 0x57, "f11" },
1484
    { 0x58, "f12" },
1485

    
1486
    { 0xb7, "print" },
1487

    
1488
    { 0xc7, "home" },
1489
    { 0xc9, "pgup" },
1490
    { 0xd1, "pgdn" },
1491
    { 0xcf, "end" },
1492

    
1493
    { 0xcb, "left" },
1494
    { 0xc8, "up" },
1495
    { 0xd0, "down" },
1496
    { 0xcd, "right" },
1497

    
1498
    { 0xd2, "insert" },
1499
    { 0xd3, "delete" },
1500
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1501
    { 0xf0, "stop" },
1502
    { 0xf1, "again" },
1503
    { 0xf2, "props" },
1504
    { 0xf3, "undo" },
1505
    { 0xf4, "front" },
1506
    { 0xf5, "copy" },
1507
    { 0xf6, "open" },
1508
    { 0xf7, "paste" },
1509
    { 0xf8, "find" },
1510
    { 0xf9, "cut" },
1511
    { 0xfa, "lf" },
1512
    { 0xfb, "help" },
1513
    { 0xfc, "meta_l" },
1514
    { 0xfd, "meta_r" },
1515
    { 0xfe, "compose" },
1516
#endif
1517
    { 0, NULL },
1518
};
1519

    
1520
static int get_keycode(const char *key)
1521
{
1522
    const KeyDef *p;
1523
    char *endp;
1524
    int ret;
1525

    
1526
    for(p = key_defs; p->name != NULL; p++) {
1527
        if (!strcmp(key, p->name))
1528
            return p->keycode;
1529
    }
1530
    if (strstart(key, "0x", NULL)) {
1531
        ret = strtoul(key, &endp, 0);
1532
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1533
            return ret;
1534
    }
1535
    return -1;
1536
}
1537

    
1538
#define MAX_KEYCODES 16
1539
static uint8_t keycodes[MAX_KEYCODES];
1540
static int nb_pending_keycodes;
1541
static QEMUTimer *key_timer;
1542

    
1543
static void release_keys(void *opaque)
1544
{
1545
    int keycode;
1546

    
1547
    while (nb_pending_keycodes > 0) {
1548
        nb_pending_keycodes--;
1549
        keycode = keycodes[nb_pending_keycodes];
1550
        if (keycode & 0x80)
1551
            kbd_put_keycode(0xe0);
1552
        kbd_put_keycode(keycode | 0x80);
1553
    }
1554
}
1555

    
1556
static void do_sendkey(Monitor *mon, const QDict *qdict)
1557
{
1558
    char keyname_buf[16];
1559
    char *separator;
1560
    int keyname_len, keycode, i;
1561
    const char *string = qdict_get_str(qdict, "string");
1562
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1563
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1564

    
1565
    if (nb_pending_keycodes > 0) {
1566
        qemu_del_timer(key_timer);
1567
        release_keys(NULL);
1568
    }
1569
    if (!has_hold_time)
1570
        hold_time = 100;
1571
    i = 0;
1572
    while (1) {
1573
        separator = strchr(string, '-');
1574
        keyname_len = separator ? separator - string : strlen(string);
1575
        if (keyname_len > 0) {
1576
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1577
            if (keyname_len > sizeof(keyname_buf) - 1) {
1578
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1579
                return;
1580
            }
1581
            if (i == MAX_KEYCODES) {
1582
                monitor_printf(mon, "too many keys\n");
1583
                return;
1584
            }
1585
            keyname_buf[keyname_len] = 0;
1586
            keycode = get_keycode(keyname_buf);
1587
            if (keycode < 0) {
1588
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1589
                return;
1590
            }
1591
            keycodes[i++] = keycode;
1592
        }
1593
        if (!separator)
1594
            break;
1595
        string = separator + 1;
1596
    }
1597
    nb_pending_keycodes = i;
1598
    /* key down events */
1599
    for (i = 0; i < nb_pending_keycodes; i++) {
1600
        keycode = keycodes[i];
1601
        if (keycode & 0x80)
1602
            kbd_put_keycode(0xe0);
1603
        kbd_put_keycode(keycode & 0x7f);
1604
    }
1605
    /* delayed key up events */
1606
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1607
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1608
}
1609

    
1610
static int mouse_button_state;
1611

    
1612
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1613
{
1614
    int dx, dy, dz;
1615
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1616
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1617
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1618
    dx = strtol(dx_str, NULL, 0);
1619
    dy = strtol(dy_str, NULL, 0);
1620
    dz = 0;
1621
    if (dz_str)
1622
        dz = strtol(dz_str, NULL, 0);
1623
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1624
}
1625

    
1626
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1627
{
1628
    int button_state = qdict_get_int(qdict, "button_state");
1629
    mouse_button_state = button_state;
1630
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1631
}
1632

    
1633
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1634
{
1635
    int size = qdict_get_int(qdict, "size");
1636
    int addr = qdict_get_int(qdict, "addr");
1637
    int has_index = qdict_haskey(qdict, "index");
1638
    uint32_t val;
1639
    int suffix;
1640

    
1641
    if (has_index) {
1642
        int index = qdict_get_int(qdict, "index");
1643
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1644
        addr++;
1645
    }
1646
    addr &= 0xffff;
1647

    
1648
    switch(size) {
1649
    default:
1650
    case 1:
1651
        val = cpu_inb(addr);
1652
        suffix = 'b';
1653
        break;
1654
    case 2:
1655
        val = cpu_inw(addr);
1656
        suffix = 'w';
1657
        break;
1658
    case 4:
1659
        val = cpu_inl(addr);
1660
        suffix = 'l';
1661
        break;
1662
    }
1663
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1664
                   suffix, addr, size * 2, val);
1665
}
1666

    
1667
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1668
{
1669
    int size = qdict_get_int(qdict, "size");
1670
    int addr = qdict_get_int(qdict, "addr");
1671
    int val = qdict_get_int(qdict, "val");
1672

    
1673
    addr &= IOPORTS_MASK;
1674

    
1675
    switch (size) {
1676
    default:
1677
    case 1:
1678
        cpu_outb(addr, val);
1679
        break;
1680
    case 2:
1681
        cpu_outw(addr, val);
1682
        break;
1683
    case 4:
1684
        cpu_outl(addr, val);
1685
        break;
1686
    }
1687
}
1688

    
1689
static void do_boot_set(Monitor *mon, const QDict *qdict)
1690
{
1691
    int res;
1692
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1693

    
1694
    res = qemu_boot_set(bootdevice);
1695
    if (res == 0) {
1696
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1697
    } else if (res > 0) {
1698
        monitor_printf(mon, "setting boot device list failed\n");
1699
    } else {
1700
        monitor_printf(mon, "no function defined to set boot device list for "
1701
                       "this architecture\n");
1702
    }
1703
}
1704

    
1705
/**
1706
 * do_system_reset(): Issue a machine reset
1707
 */
1708
static void do_system_reset(Monitor *mon, const QDict *qdict,
1709
                            QObject **ret_data)
1710
{
1711
    qemu_system_reset_request();
1712
}
1713

    
1714
/**
1715
 * do_system_powerdown(): Issue a machine powerdown
1716
 */
1717
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1718
                                QObject **ret_data)
1719
{
1720
    qemu_system_powerdown_request();
1721
}
1722

    
1723
#if defined(TARGET_I386)
1724
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1725
{
1726
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1727
                   addr,
1728
                   pte & mask,
1729
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1730
                   pte & PG_PSE_MASK ? 'P' : '-',
1731
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1732
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1733
                   pte & PG_PCD_MASK ? 'C' : '-',
1734
                   pte & PG_PWT_MASK ? 'T' : '-',
1735
                   pte & PG_USER_MASK ? 'U' : '-',
1736
                   pte & PG_RW_MASK ? 'W' : '-');
1737
}
1738

    
1739
static void tlb_info(Monitor *mon)
1740
{
1741
    CPUState *env;
1742
    int l1, l2;
1743
    uint32_t pgd, pde, pte;
1744

    
1745
    env = mon_get_cpu();
1746
    if (!env)
1747
        return;
1748

    
1749
    if (!(env->cr[0] & CR0_PG_MASK)) {
1750
        monitor_printf(mon, "PG disabled\n");
1751
        return;
1752
    }
1753
    pgd = env->cr[3] & ~0xfff;
1754
    for(l1 = 0; l1 < 1024; l1++) {
1755
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1756
        pde = le32_to_cpu(pde);
1757
        if (pde & PG_PRESENT_MASK) {
1758
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1759
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1760
            } else {
1761
                for(l2 = 0; l2 < 1024; l2++) {
1762
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1763
                                             (uint8_t *)&pte, 4);
1764
                    pte = le32_to_cpu(pte);
1765
                    if (pte & PG_PRESENT_MASK) {
1766
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1767
                                  pte & ~PG_PSE_MASK,
1768
                                  ~0xfff);
1769
                    }
1770
                }
1771
            }
1772
        }
1773
    }
1774
}
1775

    
1776
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1777
                      uint32_t end, int prot)
1778
{
1779
    int prot1;
1780
    prot1 = *plast_prot;
1781
    if (prot != prot1) {
1782
        if (*pstart != -1) {
1783
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1784
                           *pstart, end, end - *pstart,
1785
                           prot1 & PG_USER_MASK ? 'u' : '-',
1786
                           'r',
1787
                           prot1 & PG_RW_MASK ? 'w' : '-');
1788
        }
1789
        if (prot != 0)
1790
            *pstart = end;
1791
        else
1792
            *pstart = -1;
1793
        *plast_prot = prot;
1794
    }
1795
}
1796

    
1797
static void mem_info(Monitor *mon)
1798
{
1799
    CPUState *env;
1800
    int l1, l2, prot, last_prot;
1801
    uint32_t pgd, pde, pte, start, end;
1802

    
1803
    env = mon_get_cpu();
1804
    if (!env)
1805
        return;
1806

    
1807
    if (!(env->cr[0] & CR0_PG_MASK)) {
1808
        monitor_printf(mon, "PG disabled\n");
1809
        return;
1810
    }
1811
    pgd = env->cr[3] & ~0xfff;
1812
    last_prot = 0;
1813
    start = -1;
1814
    for(l1 = 0; l1 < 1024; l1++) {
1815
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1816
        pde = le32_to_cpu(pde);
1817
        end = l1 << 22;
1818
        if (pde & PG_PRESENT_MASK) {
1819
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1820
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1821
                mem_print(mon, &start, &last_prot, end, prot);
1822
            } else {
1823
                for(l2 = 0; l2 < 1024; l2++) {
1824
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1825
                                             (uint8_t *)&pte, 4);
1826
                    pte = le32_to_cpu(pte);
1827
                    end = (l1 << 22) + (l2 << 12);
1828
                    if (pte & PG_PRESENT_MASK) {
1829
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1830
                    } else {
1831
                        prot = 0;
1832
                    }
1833
                    mem_print(mon, &start, &last_prot, end, prot);
1834
                }
1835
            }
1836
        } else {
1837
            prot = 0;
1838
            mem_print(mon, &start, &last_prot, end, prot);
1839
        }
1840
    }
1841
}
1842
#endif
1843

    
1844
#if defined(TARGET_SH4)
1845

    
1846
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1847
{
1848
    monitor_printf(mon, " tlb%i:\t"
1849
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1850
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1851
                   "dirty=%hhu writethrough=%hhu\n",
1852
                   idx,
1853
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1854
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1855
                   tlb->d, tlb->wt);
1856
}
1857

    
1858
static void tlb_info(Monitor *mon)
1859
{
1860
    CPUState *env = mon_get_cpu();
1861
    int i;
1862

    
1863
    monitor_printf (mon, "ITLB:\n");
1864
    for (i = 0 ; i < ITLB_SIZE ; i++)
1865
        print_tlb (mon, i, &env->itlb[i]);
1866
    monitor_printf (mon, "UTLB:\n");
1867
    for (i = 0 ; i < UTLB_SIZE ; i++)
1868
        print_tlb (mon, i, &env->utlb[i]);
1869
}
1870

    
1871
#endif
1872

    
1873
static void do_info_kvm_print(Monitor *mon, const QObject *data)
1874
{
1875
    QDict *qdict;
1876

    
1877
    qdict = qobject_to_qdict(data);
1878

    
1879
    monitor_printf(mon, "kvm support: ");
1880
    if (qdict_get_bool(qdict, "present")) {
1881
        monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1882
                                    "enabled" : "disabled");
1883
    } else {
1884
        monitor_printf(mon, "not compiled\n");
1885
    }
1886
}
1887

    
1888
/**
1889
 * do_info_kvm(): Show KVM information
1890
 *
1891
 * Return a QDict with the following information:
1892
 *
1893
 * - "enabled": true if KVM support is enabled, false otherwise
1894
 * - "present": true if QEMU has KVM support, false otherwise
1895
 *
1896
 * Example:
1897
 *
1898
 * { "enabled": true, "present": true }
1899
 */
1900
static void do_info_kvm(Monitor *mon, QObject **ret_data)
1901
{
1902
#ifdef CONFIG_KVM
1903
    *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1904
                                   kvm_enabled());
1905
#else
1906
    *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1907
#endif
1908
}
1909

    
1910
static void do_info_numa(Monitor *mon)
1911
{
1912
    int i;
1913
    CPUState *env;
1914

    
1915
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1916
    for (i = 0; i < nb_numa_nodes; i++) {
1917
        monitor_printf(mon, "node %d cpus:", i);
1918
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1919
            if (env->numa_node == i) {
1920
                monitor_printf(mon, " %d", env->cpu_index);
1921
            }
1922
        }
1923
        monitor_printf(mon, "\n");
1924
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1925
            node_mem[i] >> 20);
1926
    }
1927
}
1928

    
1929
#ifdef CONFIG_PROFILER
1930

    
1931
int64_t qemu_time;
1932
int64_t dev_time;
1933

    
1934
static void do_info_profile(Monitor *mon)
1935
{
1936
    int64_t total;
1937
    total = qemu_time;
1938
    if (total == 0)
1939
        total = 1;
1940
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1941
                   dev_time, dev_time / (double)get_ticks_per_sec());
1942
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1943
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1944
    qemu_time = 0;
1945
    dev_time = 0;
1946
}
1947
#else
1948
static void do_info_profile(Monitor *mon)
1949
{
1950
    monitor_printf(mon, "Internal profiler not compiled\n");
1951
}
1952
#endif
1953

    
1954
/* Capture support */
1955
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1956

    
1957
static void do_info_capture(Monitor *mon)
1958
{
1959
    int i;
1960
    CaptureState *s;
1961

    
1962
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1963
        monitor_printf(mon, "[%d]: ", i);
1964
        s->ops.info (s->opaque);
1965
    }
1966
}
1967

    
1968
#ifdef HAS_AUDIO
1969
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1970
{
1971
    int i;
1972
    int n = qdict_get_int(qdict, "n");
1973
    CaptureState *s;
1974

    
1975
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1976
        if (i == n) {
1977
            s->ops.destroy (s->opaque);
1978
            QLIST_REMOVE (s, entries);
1979
            qemu_free (s);
1980
            return;
1981
        }
1982
    }
1983
}
1984

    
1985
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1986
{
1987
    const char *path = qdict_get_str(qdict, "path");
1988
    int has_freq = qdict_haskey(qdict, "freq");
1989
    int freq = qdict_get_try_int(qdict, "freq", -1);
1990
    int has_bits = qdict_haskey(qdict, "bits");
1991
    int bits = qdict_get_try_int(qdict, "bits", -1);
1992
    int has_channels = qdict_haskey(qdict, "nchannels");
1993
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1994
    CaptureState *s;
1995

    
1996
    s = qemu_mallocz (sizeof (*s));
1997

    
1998
    freq = has_freq ? freq : 44100;
1999
    bits = has_bits ? bits : 16;
2000
    nchannels = has_channels ? nchannels : 2;
2001

    
2002
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2003
        monitor_printf(mon, "Faied to add wave capture\n");
2004
        qemu_free (s);
2005
    }
2006
    QLIST_INSERT_HEAD (&capture_head, s, entries);
2007
}
2008
#endif
2009

    
2010
#if defined(TARGET_I386)
2011
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2012
{
2013
    CPUState *env;
2014
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2015

    
2016
    for (env = first_cpu; env != NULL; env = env->next_cpu)
2017
        if (env->cpu_index == cpu_index) {
2018
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
2019
            break;
2020
        }
2021
}
2022
#endif
2023

    
2024
static void do_info_status_print(Monitor *mon, const QObject *data)
2025
{
2026
    QDict *qdict;
2027

    
2028
    qdict = qobject_to_qdict(data);
2029

    
2030
    monitor_printf(mon, "VM status: ");
2031
    if (qdict_get_bool(qdict, "running")) {
2032
        monitor_printf(mon, "running");
2033
        if (qdict_get_bool(qdict, "singlestep")) {
2034
            monitor_printf(mon, " (single step mode)");
2035
        }
2036
    } else {
2037
        monitor_printf(mon, "paused");
2038
    }
2039

    
2040
    monitor_printf(mon, "\n");
2041
}
2042

    
2043
/**
2044
 * do_info_status(): VM status
2045
 *
2046
 * Return a QDict with the following information:
2047
 *
2048
 * - "running": true if the VM is running, or false if it is paused
2049
 * - "singlestep": true if the VM is in single step mode, false otherwise
2050
 *
2051
 * Example:
2052
 *
2053
 * { "running": true, "singlestep": false }
2054
 */
2055
static void do_info_status(Monitor *mon, QObject **ret_data)
2056
{
2057
    *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2058
                                    vm_running, singlestep);
2059
}
2060

    
2061
static ram_addr_t balloon_get_value(void)
2062
{
2063
    ram_addr_t actual;
2064

    
2065
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2066
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2067
        return 0;
2068
    }
2069

    
2070
    actual = qemu_balloon_status();
2071
    if (actual == 0) {
2072
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2073
        return 0;
2074
    }
2075

    
2076
    return actual;
2077
}
2078

    
2079
/**
2080
 * do_balloon(): Request VM to change its memory allocation
2081
 */
2082
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2083
{
2084
    if (balloon_get_value()) {
2085
        /* ballooning is active */
2086
        qemu_balloon(qdict_get_int(qdict, "value"));
2087
    }
2088
}
2089

    
2090
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2091
{
2092
    QDict *qdict;
2093

    
2094
    qdict = qobject_to_qdict(data);
2095

    
2096
    monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2097
                        qdict_get_int(qdict, "balloon") >> 20);
2098
}
2099

    
2100
/**
2101
 * do_info_balloon(): Balloon information
2102
 *
2103
 * Return a QDict with the following information:
2104
 *
2105
 * - "balloon": current balloon value in bytes
2106
 *
2107
 * Example:
2108
 *
2109
 * { "balloon": 1073741824 }
2110
 */
2111
static void do_info_balloon(Monitor *mon, QObject **ret_data)
2112
{
2113
    ram_addr_t actual;
2114

    
2115
    actual = balloon_get_value();
2116
    if (actual != 0) {
2117
        *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2118
                                       (int64_t) actual);
2119
    }
2120
}
2121

    
2122
static qemu_acl *find_acl(Monitor *mon, const char *name)
2123
{
2124
    qemu_acl *acl = qemu_acl_find(name);
2125

    
2126
    if (!acl) {
2127
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2128
    }
2129
    return acl;
2130
}
2131

    
2132
static void do_acl_show(Monitor *mon, const QDict *qdict)
2133
{
2134
    const char *aclname = qdict_get_str(qdict, "aclname");
2135
    qemu_acl *acl = find_acl(mon, aclname);
2136
    qemu_acl_entry *entry;
2137
    int i = 0;
2138

    
2139
    if (acl) {
2140
        monitor_printf(mon, "policy: %s\n",
2141
                       acl->defaultDeny ? "deny" : "allow");
2142
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2143
            i++;
2144
            monitor_printf(mon, "%d: %s %s\n", i,
2145
                           entry->deny ? "deny" : "allow", entry->match);
2146
        }
2147
    }
2148
}
2149

    
2150
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2151
{
2152
    const char *aclname = qdict_get_str(qdict, "aclname");
2153
    qemu_acl *acl = find_acl(mon, aclname);
2154

    
2155
    if (acl) {
2156
        qemu_acl_reset(acl);
2157
        monitor_printf(mon, "acl: removed all rules\n");
2158
    }
2159
}
2160

    
2161
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2162
{
2163
    const char *aclname = qdict_get_str(qdict, "aclname");
2164
    const char *policy = qdict_get_str(qdict, "policy");
2165
    qemu_acl *acl = find_acl(mon, aclname);
2166

    
2167
    if (acl) {
2168
        if (strcmp(policy, "allow") == 0) {
2169
            acl->defaultDeny = 0;
2170
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2171
        } else if (strcmp(policy, "deny") == 0) {
2172
            acl->defaultDeny = 1;
2173
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2174
        } else {
2175
            monitor_printf(mon, "acl: unknown policy '%s', "
2176
                           "expected 'deny' or 'allow'\n", policy);
2177
        }
2178
    }
2179
}
2180

    
2181
static void do_acl_add(Monitor *mon, const QDict *qdict)
2182
{
2183
    const char *aclname = qdict_get_str(qdict, "aclname");
2184
    const char *match = qdict_get_str(qdict, "match");
2185
    const char *policy = qdict_get_str(qdict, "policy");
2186
    int has_index = qdict_haskey(qdict, "index");
2187
    int index = qdict_get_try_int(qdict, "index", -1);
2188
    qemu_acl *acl = find_acl(mon, aclname);
2189
    int deny, ret;
2190

    
2191
    if (acl) {
2192
        if (strcmp(policy, "allow") == 0) {
2193
            deny = 0;
2194
        } else if (strcmp(policy, "deny") == 0) {
2195
            deny = 1;
2196
        } else {
2197
            monitor_printf(mon, "acl: unknown policy '%s', "
2198
                           "expected 'deny' or 'allow'\n", policy);
2199
            return;
2200
        }
2201
        if (has_index)
2202
            ret = qemu_acl_insert(acl, deny, match, index);
2203
        else
2204
            ret = qemu_acl_append(acl, deny, match);
2205
        if (ret < 0)
2206
            monitor_printf(mon, "acl: unable to add acl entry\n");
2207
        else
2208
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2209
    }
2210
}
2211

    
2212
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2213
{
2214
    const char *aclname = qdict_get_str(qdict, "aclname");
2215
    const char *match = qdict_get_str(qdict, "match");
2216
    qemu_acl *acl = find_acl(mon, aclname);
2217
    int ret;
2218

    
2219
    if (acl) {
2220
        ret = qemu_acl_remove(acl, match);
2221
        if (ret < 0)
2222
            monitor_printf(mon, "acl: no matching acl entry\n");
2223
        else
2224
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2225
    }
2226
}
2227

    
2228
#if defined(TARGET_I386)
2229
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2230
{
2231
    CPUState *cenv;
2232
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2233
    int bank = qdict_get_int(qdict, "bank");
2234
    uint64_t status = qdict_get_int(qdict, "status");
2235
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2236
    uint64_t addr = qdict_get_int(qdict, "addr");
2237
    uint64_t misc = qdict_get_int(qdict, "misc");
2238

    
2239
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2240
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2241
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2242
            break;
2243
        }
2244
}
2245
#endif
2246

    
2247
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2248
{
2249
    const char *fdname = qdict_get_str(qdict, "fdname");
2250
    mon_fd_t *monfd;
2251
    int fd;
2252

    
2253
    fd = qemu_chr_get_msgfd(mon->chr);
2254
    if (fd == -1) {
2255
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2256
        return;
2257
    }
2258

    
2259
    if (qemu_isdigit(fdname[0])) {
2260
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2261
        return;
2262
    }
2263

    
2264
    fd = dup(fd);
2265
    if (fd == -1) {
2266
        if (errno == EMFILE)
2267
            qemu_error_new(QERR_TOO_MANY_FILES);
2268
        else
2269
            qemu_error_new(QERR_UNDEFINED_ERROR);
2270
        return;
2271
    }
2272

    
2273
    QLIST_FOREACH(monfd, &mon->fds, next) {
2274
        if (strcmp(monfd->name, fdname) != 0) {
2275
            continue;
2276
        }
2277

    
2278
        close(monfd->fd);
2279
        monfd->fd = fd;
2280
        return;
2281
    }
2282

    
2283
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2284
    monfd->name = qemu_strdup(fdname);
2285
    monfd->fd = fd;
2286

    
2287
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2288
}
2289

    
2290
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2291
{
2292
    const char *fdname = qdict_get_str(qdict, "fdname");
2293
    mon_fd_t *monfd;
2294

    
2295
    QLIST_FOREACH(monfd, &mon->fds, next) {
2296
        if (strcmp(monfd->name, fdname) != 0) {
2297
            continue;
2298
        }
2299

    
2300
        QLIST_REMOVE(monfd, next);
2301
        close(monfd->fd);
2302
        qemu_free(monfd->name);
2303
        qemu_free(monfd);
2304
        return;
2305
    }
2306

    
2307
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2308
}
2309

    
2310
static void do_loadvm(Monitor *mon, const QDict *qdict)
2311
{
2312
    int saved_vm_running  = vm_running;
2313
    const char *name = qdict_get_str(qdict, "name");
2314

    
2315
    vm_stop(0);
2316

    
2317
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2318
        vm_start();
2319
}
2320

    
2321
int monitor_get_fd(Monitor *mon, const char *fdname)
2322
{
2323
    mon_fd_t *monfd;
2324

    
2325
    QLIST_FOREACH(monfd, &mon->fds, next) {
2326
        int fd;
2327

    
2328
        if (strcmp(monfd->name, fdname) != 0) {
2329
            continue;
2330
        }
2331

    
2332
        fd = monfd->fd;
2333

    
2334
        /* caller takes ownership of fd */
2335
        QLIST_REMOVE(monfd, next);
2336
        qemu_free(monfd->name);
2337
        qemu_free(monfd);
2338

    
2339
        return fd;
2340
    }
2341

    
2342
    return -1;
2343
}
2344

    
2345
static const mon_cmd_t mon_cmds[] = {
2346
#include "qemu-monitor.h"
2347
    { NULL, NULL, },
2348
};
2349

    
2350
/* Please update qemu-monitor.hx when adding or changing commands */
2351
static const mon_cmd_t info_cmds[] = {
2352
    {
2353
        .name       = "version",
2354
        .args_type  = "",
2355
        .params     = "",
2356
        .help       = "show the version of QEMU",
2357
        .user_print = do_info_version_print,
2358
        .mhandler.info_new = do_info_version,
2359
    },
2360
    {
2361
        .name       = "commands",
2362
        .args_type  = "",
2363
        .params     = "",
2364
        .help       = "list QMP available commands",
2365
        .user_print = monitor_user_noop,
2366
        .mhandler.info_new = do_info_commands,
2367
    },
2368
    {
2369
        .name       = "network",
2370
        .args_type  = "",
2371
        .params     = "",
2372
        .help       = "show the network state",
2373
        .mhandler.info = do_info_network,
2374
    },
2375
    {
2376
        .name       = "chardev",
2377
        .args_type  = "",
2378
        .params     = "",
2379
        .help       = "show the character devices",
2380
        .user_print = qemu_chr_info_print,
2381
        .mhandler.info_new = qemu_chr_info,
2382
    },
2383
    {
2384
        .name       = "block",
2385
        .args_type  = "",
2386
        .params     = "",
2387
        .help       = "show the block devices",
2388
        .user_print = bdrv_info_print,
2389
        .mhandler.info_new = bdrv_info,
2390
    },
2391
    {
2392
        .name       = "blockstats",
2393
        .args_type  = "",
2394
        .params     = "",
2395
        .help       = "show block device statistics",
2396
        .user_print = bdrv_stats_print,
2397
        .mhandler.info_new = bdrv_info_stats,
2398
    },
2399
    {
2400
        .name       = "registers",
2401
        .args_type  = "",
2402
        .params     = "",
2403
        .help       = "show the cpu registers",
2404
        .mhandler.info = do_info_registers,
2405
    },
2406
    {
2407
        .name       = "cpus",
2408
        .args_type  = "",
2409
        .params     = "",
2410
        .help       = "show infos for each CPU",
2411
        .user_print = monitor_print_cpus,
2412
        .mhandler.info_new = do_info_cpus,
2413
    },
2414
    {
2415
        .name       = "history",
2416
        .args_type  = "",
2417
        .params     = "",
2418
        .help       = "show the command line history",
2419
        .mhandler.info = do_info_history,
2420
    },
2421
    {
2422
        .name       = "irq",
2423
        .args_type  = "",
2424
        .params     = "",
2425
        .help       = "show the interrupts statistics (if available)",
2426
        .mhandler.info = irq_info,
2427
    },
2428
    {
2429
        .name       = "pic",
2430
        .args_type  = "",
2431
        .params     = "",
2432
        .help       = "show i8259 (PIC) state",
2433
        .mhandler.info = pic_info,
2434
    },
2435
    {
2436
        .name       = "pci",
2437
        .args_type  = "",
2438
        .params     = "",
2439
        .help       = "show PCI info",
2440
        .mhandler.info = pci_info,
2441
    },
2442
#if defined(TARGET_I386) || defined(TARGET_SH4)
2443
    {
2444
        .name       = "tlb",
2445
        .args_type  = "",
2446
        .params     = "",
2447
        .help       = "show virtual to physical memory mappings",
2448
        .mhandler.info = tlb_info,
2449
    },
2450
#endif
2451
#if defined(TARGET_I386)
2452
    {
2453
        .name       = "mem",
2454
        .args_type  = "",
2455
        .params     = "",
2456
        .help       = "show the active virtual memory mappings",
2457
        .mhandler.info = mem_info,
2458
    },
2459
    {
2460
        .name       = "hpet",
2461
        .args_type  = "",
2462
        .params     = "",
2463
        .help       = "show state of HPET",
2464
        .user_print = do_info_hpet_print,
2465
        .mhandler.info_new = do_info_hpet,
2466
    },
2467
#endif
2468
    {
2469
        .name       = "jit",
2470
        .args_type  = "",
2471
        .params     = "",
2472
        .help       = "show dynamic compiler info",
2473
        .mhandler.info = do_info_jit,
2474
    },
2475
    {
2476
        .name       = "kvm",
2477
        .args_type  = "",
2478
        .params     = "",
2479
        .help       = "show KVM information",
2480
        .user_print = do_info_kvm_print,
2481
        .mhandler.info_new = do_info_kvm,
2482
    },
2483
    {
2484
        .name       = "numa",
2485
        .args_type  = "",
2486
        .params     = "",
2487
        .help       = "show NUMA information",
2488
        .mhandler.info = do_info_numa,
2489
    },
2490
    {
2491
        .name       = "usb",
2492
        .args_type  = "",
2493
        .params     = "",
2494
        .help       = "show guest USB devices",
2495
        .mhandler.info = usb_info,
2496
    },
2497
    {
2498
        .name       = "usbhost",
2499
        .args_type  = "",
2500
        .params     = "",
2501
        .help       = "show host USB devices",
2502
        .mhandler.info = usb_host_info,
2503
    },
2504
    {
2505
        .name       = "profile",
2506
        .args_type  = "",
2507
        .params     = "",
2508
        .help       = "show profiling information",
2509
        .mhandler.info = do_info_profile,
2510
    },
2511
    {
2512
        .name       = "capture",
2513
        .args_type  = "",
2514
        .params     = "",
2515
        .help       = "show capture information",
2516
        .mhandler.info = do_info_capture,
2517
    },
2518
    {
2519
        .name       = "snapshots",
2520
        .args_type  = "",
2521
        .params     = "",
2522
        .help       = "show the currently saved VM snapshots",
2523
        .mhandler.info = do_info_snapshots,
2524
    },
2525
    {
2526
        .name       = "status",
2527
        .args_type  = "",
2528
        .params     = "",
2529
        .help       = "show the current VM status (running|paused)",
2530
        .user_print = do_info_status_print,
2531
        .mhandler.info_new = do_info_status,
2532
    },
2533
    {
2534
        .name       = "pcmcia",
2535
        .args_type  = "",
2536
        .params     = "",
2537
        .help       = "show guest PCMCIA status",
2538
        .mhandler.info = pcmcia_info,
2539
    },
2540
    {
2541
        .name       = "mice",
2542
        .args_type  = "",
2543
        .params     = "",
2544
        .help       = "show which guest mouse is receiving events",
2545
        .user_print = do_info_mice_print,
2546
        .mhandler.info_new = do_info_mice,
2547
    },
2548
    {
2549
        .name       = "vnc",
2550
        .args_type  = "",
2551
        .params     = "",
2552
        .help       = "show the vnc server status",
2553
        .user_print = do_info_vnc_print,
2554
        .mhandler.info_new = do_info_vnc,
2555
    },
2556
    {
2557
        .name       = "name",
2558
        .args_type  = "",
2559
        .params     = "",
2560
        .help       = "show the current VM name",
2561
        .user_print = do_info_name_print,
2562
        .mhandler.info_new = do_info_name,
2563
    },
2564
    {
2565
        .name       = "uuid",
2566
        .args_type  = "",
2567
        .params     = "",
2568
        .help       = "show the current VM UUID",
2569
        .user_print = do_info_uuid_print,
2570
        .mhandler.info_new = do_info_uuid,
2571
    },
2572
#if defined(TARGET_PPC)
2573
    {
2574
        .name       = "cpustats",
2575
        .args_type  = "",
2576
        .params     = "",
2577
        .help       = "show CPU statistics",
2578
        .mhandler.info = do_info_cpu_stats,
2579
    },
2580
#endif
2581
#if defined(CONFIG_SLIRP)
2582
    {
2583
        .name       = "usernet",
2584
        .args_type  = "",
2585
        .params     = "",
2586
        .help       = "show user network stack connection states",
2587
        .mhandler.info = do_info_usernet,
2588
    },
2589
#endif
2590
    {
2591
        .name       = "migrate",
2592
        .args_type  = "",
2593
        .params     = "",
2594
        .help       = "show migration status",
2595
        .user_print = do_info_migrate_print,
2596
        .mhandler.info_new = do_info_migrate,
2597
    },
2598
    {
2599
        .name       = "balloon",
2600
        .args_type  = "",
2601
        .params     = "",
2602
        .help       = "show balloon information",
2603
        .user_print = monitor_print_balloon,
2604
        .mhandler.info_new = do_info_balloon,
2605
    },
2606
    {
2607
        .name       = "qtree",
2608
        .args_type  = "",
2609
        .params     = "",
2610
        .help       = "show device tree",
2611
        .mhandler.info = do_info_qtree,
2612
    },
2613
    {
2614
        .name       = "qdm",
2615
        .args_type  = "",
2616
        .params     = "",
2617
        .help       = "show qdev device model list",
2618
        .mhandler.info = do_info_qdm,
2619
    },
2620
    {
2621
        .name       = "roms",
2622
        .args_type  = "",
2623
        .params     = "",
2624
        .help       = "show roms",
2625
        .mhandler.info = do_info_roms,
2626
    },
2627
    {
2628
        .name       = NULL,
2629
    },
2630
};
2631

    
2632
/*******************************************************************/
2633

    
2634
static const char *pch;
2635
static jmp_buf expr_env;
2636

    
2637
#define MD_TLONG 0
2638
#define MD_I32   1
2639

    
2640
typedef struct MonitorDef {
2641
    const char *name;
2642
    int offset;
2643
    target_long (*get_value)(const struct MonitorDef *md, int val);
2644
    int type;
2645
} MonitorDef;
2646

    
2647
#if defined(TARGET_I386)
2648
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2649
{
2650
    CPUState *env = mon_get_cpu();
2651
    if (!env)
2652
        return 0;
2653
    return env->eip + env->segs[R_CS].base;
2654
}
2655
#endif
2656

    
2657
#if defined(TARGET_PPC)
2658
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2659
{
2660
    CPUState *env = mon_get_cpu();
2661
    unsigned int u;
2662
    int i;
2663

    
2664
    if (!env)
2665
        return 0;
2666

    
2667
    u = 0;
2668
    for (i = 0; i < 8; i++)
2669
        u |= env->crf[i] << (32 - (4 * i));
2670

    
2671
    return u;
2672
}
2673

    
2674
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2675
{
2676
    CPUState *env = mon_get_cpu();
2677
    if (!env)
2678
        return 0;
2679
    return env->msr;
2680
}
2681

    
2682
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2683
{
2684
    CPUState *env = mon_get_cpu();
2685
    if (!env)
2686
        return 0;
2687
    return env->xer;
2688
}
2689

    
2690
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2691
{
2692
    CPUState *env = mon_get_cpu();
2693
    if (!env)
2694
        return 0;
2695
    return cpu_ppc_load_decr(env);
2696
}
2697

    
2698
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2699
{
2700
    CPUState *env = mon_get_cpu();
2701
    if (!env)
2702
        return 0;
2703
    return cpu_ppc_load_tbu(env);
2704
}
2705

    
2706
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2707
{
2708
    CPUState *env = mon_get_cpu();
2709
    if (!env)
2710
        return 0;
2711
    return cpu_ppc_load_tbl(env);
2712
}
2713
#endif
2714

    
2715
#if defined(TARGET_SPARC)
2716
#ifndef TARGET_SPARC64
2717
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2718
{
2719
    CPUState *env = mon_get_cpu();
2720
    if (!env)
2721
        return 0;
2722
    return GET_PSR(env);
2723
}
2724
#endif
2725

    
2726
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2727
{
2728
    CPUState *env = mon_get_cpu();
2729
    if (!env)
2730
        return 0;
2731
    return env->regwptr[val];
2732
}
2733
#endif
2734

    
2735
static const MonitorDef monitor_defs[] = {
2736
#ifdef TARGET_I386
2737

    
2738
#define SEG(name, seg) \
2739
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2740
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2741
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2742

    
2743
    { "eax", offsetof(CPUState, regs[0]) },
2744
    { "ecx", offsetof(CPUState, regs[1]) },
2745
    { "edx", offsetof(CPUState, regs[2]) },
2746
    { "ebx", offsetof(CPUState, regs[3]) },
2747
    { "esp|sp", offsetof(CPUState, regs[4]) },
2748
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2749
    { "esi", offsetof(CPUState, regs[6]) },
2750
    { "edi", offsetof(CPUState, regs[7]) },
2751
#ifdef TARGET_X86_64
2752
    { "r8", offsetof(CPUState, regs[8]) },
2753
    { "r9", offsetof(CPUState, regs[9]) },
2754
    { "r10", offsetof(CPUState, regs[10]) },
2755
    { "r11", offsetof(CPUState, regs[11]) },
2756
    { "r12", offsetof(CPUState, regs[12]) },
2757
    { "r13", offsetof(CPUState, regs[13]) },
2758
    { "r14", offsetof(CPUState, regs[14]) },
2759
    { "r15", offsetof(CPUState, regs[15]) },
2760
#endif
2761
    { "eflags", offsetof(CPUState, eflags) },
2762
    { "eip", offsetof(CPUState, eip) },
2763
    SEG("cs", R_CS)
2764
    SEG("ds", R_DS)
2765
    SEG("es", R_ES)
2766
    SEG("ss", R_SS)
2767
    SEG("fs", R_FS)
2768
    SEG("gs", R_GS)
2769
    { "pc", 0, monitor_get_pc, },
2770
#elif defined(TARGET_PPC)
2771
    /* General purpose registers */
2772
    { "r0", offsetof(CPUState, gpr[0]) },
2773
    { "r1", offsetof(CPUState, gpr[1]) },
2774
    { "r2", offsetof(CPUState, gpr[2]) },
2775
    { "r3", offsetof(CPUState, gpr[3]) },
2776
    { "r4", offsetof(CPUState, gpr[4]) },
2777
    { "r5", offsetof(CPUState, gpr[5]) },
2778
    { "r6", offsetof(CPUState, gpr[6]) },
2779
    { "r7", offsetof(CPUState, gpr[7]) },
2780
    { "r8", offsetof(CPUState, gpr[8]) },
2781
    { "r9", offsetof(CPUState, gpr[9]) },
2782
    { "r10", offsetof(CPUState, gpr[10]) },
2783
    { "r11", offsetof(CPUState, gpr[11]) },
2784
    { "r12", offsetof(CPUState, gpr[12]) },
2785
    { "r13", offsetof(CPUState, gpr[13]) },
2786
    { "r14", offsetof(CPUState, gpr[14]) },
2787
    { "r15", offsetof(CPUState, gpr[15]) },
2788
    { "r16", offsetof(CPUState, gpr[16]) },
2789
    { "r17", offsetof(CPUState, gpr[17]) },
2790
    { "r18", offsetof(CPUState, gpr[18]) },
2791
    { "r19", offsetof(CPUState, gpr[19]) },
2792
    { "r20", offsetof(CPUState, gpr[20]) },
2793
    { "r21", offsetof(CPUState, gpr[21]) },
2794
    { "r22", offsetof(CPUState, gpr[22]) },
2795
    { "r23", offsetof(CPUState, gpr[23]) },
2796
    { "r24", offsetof(CPUState, gpr[24]) },
2797
    { "r25", offsetof(CPUState, gpr[25]) },
2798
    { "r26", offsetof(CPUState, gpr[26]) },
2799
    { "r27", offsetof(CPUState, gpr[27]) },
2800
    { "r28", offsetof(CPUState, gpr[28]) },
2801
    { "r29", offsetof(CPUState, gpr[29]) },
2802
    { "r30", offsetof(CPUState, gpr[30]) },
2803
    { "r31", offsetof(CPUState, gpr[31]) },
2804
    /* Floating point registers */
2805
    { "f0", offsetof(CPUState, fpr[0]) },
2806
    { "f1", offsetof(CPUState, fpr[1]) },
2807
    { "f2", offsetof(CPUState, fpr[2]) },
2808
    { "f3", offsetof(CPUState, fpr[3]) },
2809
    { "f4", offsetof(CPUState, fpr[4]) },
2810
    { "f5", offsetof(CPUState, fpr[5]) },
2811
    { "f6", offsetof(CPUState, fpr[6]) },
2812
    { "f7", offsetof(CPUState, fpr[7]) },
2813
    { "f8", offsetof(CPUState, fpr[8]) },
2814
    { "f9", offsetof(CPUState, fpr[9]) },
2815
    { "f10", offsetof(CPUState, fpr[10]) },
2816
    { "f11", offsetof(CPUState, fpr[11]) },
2817
    { "f12", offsetof(CPUState, fpr[12]) },
2818
    { "f13", offsetof(CPUState, fpr[13]) },
2819
    { "f14", offsetof(CPUState, fpr[14]) },
2820
    { "f15", offsetof(CPUState, fpr[15]) },
2821
    { "f16", offsetof(CPUState, fpr[16]) },
2822
    { "f17", offsetof(CPUState, fpr[17]) },
2823
    { "f18", offsetof(CPUState, fpr[18]) },
2824
    { "f19", offsetof(CPUState, fpr[19]) },
2825
    { "f20", offsetof(CPUState, fpr[20]) },
2826
    { "f21", offsetof(CPUState, fpr[21]) },
2827
    { "f22", offsetof(CPUState, fpr[22]) },
2828
    { "f23", offsetof(CPUState, fpr[23]) },
2829
    { "f24", offsetof(CPUState, fpr[24]) },
2830
    { "f25", offsetof(CPUState, fpr[25]) },
2831
    { "f26", offsetof(CPUState, fpr[26]) },
2832
    { "f27", offsetof(CPUState, fpr[27]) },
2833
    { "f28", offsetof(CPUState, fpr[28]) },
2834
    { "f29", offsetof(CPUState, fpr[29]) },
2835
    { "f30", offsetof(CPUState, fpr[30]) },
2836
    { "f31", offsetof(CPUState, fpr[31]) },
2837
    { "fpscr", offsetof(CPUState, fpscr) },
2838
    /* Next instruction pointer */
2839
    { "nip|pc", offsetof(CPUState, nip) },
2840
    { "lr", offsetof(CPUState, lr) },
2841
    { "ctr", offsetof(CPUState, ctr) },
2842
    { "decr", 0, &monitor_get_decr, },
2843
    { "ccr", 0, &monitor_get_ccr, },
2844
    /* Machine state register */
2845
    { "msr", 0, &monitor_get_msr, },
2846
    { "xer", 0, &monitor_get_xer, },
2847
    { "tbu", 0, &monitor_get_tbu, },
2848
    { "tbl", 0, &monitor_get_tbl, },
2849
#if defined(TARGET_PPC64)
2850
    /* Address space register */
2851
    { "asr", offsetof(CPUState, asr) },
2852
#endif
2853
    /* Segment registers */
2854
    { "sdr1", offsetof(CPUState, sdr1) },
2855
    { "sr0", offsetof(CPUState, sr[0]) },
2856
    { "sr1", offsetof(CPUState, sr[1]) },
2857
    { "sr2", offsetof(CPUState, sr[2]) },
2858
    { "sr3", offsetof(CPUState, sr[3]) },
2859
    { "sr4", offsetof(CPUState, sr[4]) },
2860
    { "sr5", offsetof(CPUState, sr[5]) },
2861
    { "sr6", offsetof(CPUState, sr[6]) },
2862
    { "sr7", offsetof(CPUState, sr[7]) },
2863
    { "sr8", offsetof(CPUState, sr[8]) },
2864
    { "sr9", offsetof(CPUState, sr[9]) },
2865
    { "sr10", offsetof(CPUState, sr[10]) },
2866
    { "sr11", offsetof(CPUState, sr[11]) },
2867
    { "sr12", offsetof(CPUState, sr[12]) },
2868
    { "sr13", offsetof(CPUState, sr[13]) },
2869
    { "sr14", offsetof(CPUState, sr[14]) },
2870
    { "sr15", offsetof(CPUState, sr[15]) },
2871
    /* Too lazy to put BATs and SPRs ... */
2872
#elif defined(TARGET_SPARC)
2873
    { "g0", offsetof(CPUState, gregs[0]) },
2874
    { "g1", offsetof(CPUState, gregs[1]) },
2875
    { "g2", offsetof(CPUState, gregs[2]) },
2876
    { "g3", offsetof(CPUState, gregs[3]) },
2877
    { "g4", offsetof(CPUState, gregs[4]) },
2878
    { "g5", offsetof(CPUState, gregs[5]) },
2879
    { "g6", offsetof(CPUState, gregs[6]) },
2880
    { "g7", offsetof(CPUState, gregs[7]) },
2881
    { "o0", 0, monitor_get_reg },
2882
    { "o1", 1, monitor_get_reg },
2883
    { "o2", 2, monitor_get_reg },
2884
    { "o3", 3, monitor_get_reg },
2885
    { "o4", 4, monitor_get_reg },
2886
    { "o5", 5, monitor_get_reg },
2887
    { "o6", 6, monitor_get_reg },
2888
    { "o7", 7, monitor_get_reg },
2889
    { "l0", 8, monitor_get_reg },
2890
    { "l1", 9, monitor_get_reg },
2891
    { "l2", 10, monitor_get_reg },
2892
    { "l3", 11, monitor_get_reg },
2893
    { "l4", 12, monitor_get_reg },
2894
    { "l5", 13, monitor_get_reg },
2895
    { "l6", 14, monitor_get_reg },
2896
    { "l7", 15, monitor_get_reg },
2897
    { "i0", 16, monitor_get_reg },
2898
    { "i1", 17, monitor_get_reg },
2899
    { "i2", 18, monitor_get_reg },
2900
    { "i3", 19, monitor_get_reg },
2901
    { "i4", 20, monitor_get_reg },
2902
    { "i5", 21, monitor_get_reg },
2903
    { "i6", 22, monitor_get_reg },
2904
    { "i7", 23, monitor_get_reg },
2905
    { "pc", offsetof(CPUState, pc) },
2906
    { "npc", offsetof(CPUState, npc) },
2907
    { "y", offsetof(CPUState, y) },
2908
#ifndef TARGET_SPARC64
2909
    { "psr", 0, &monitor_get_psr, },
2910
    { "wim", offsetof(CPUState, wim) },
2911
#endif
2912
    { "tbr", offsetof(CPUState, tbr) },
2913
    { "fsr", offsetof(CPUState, fsr) },
2914
    { "f0", offsetof(CPUState, fpr[0]) },
2915
    { "f1", offsetof(CPUState, fpr[1]) },
2916
    { "f2", offsetof(CPUState, fpr[2]) },
2917
    { "f3", offsetof(CPUState, fpr[3]) },
2918
    { "f4", offsetof(CPUState, fpr[4]) },
2919
    { "f5", offsetof(CPUState, fpr[5]) },
2920
    { "f6", offsetof(CPUState, fpr[6]) },
2921
    { "f7", offsetof(CPUState, fpr[7]) },
2922
    { "f8", offsetof(CPUState, fpr[8]) },
2923
    { "f9", offsetof(CPUState, fpr[9]) },
2924
    { "f10", offsetof(CPUState, fpr[10]) },
2925
    { "f11", offsetof(CPUState, fpr[11]) },
2926
    { "f12", offsetof(CPUState, fpr[12]) },
2927
    { "f13", offsetof(CPUState, fpr[13]) },
2928
    { "f14", offsetof(CPUState, fpr[14]) },
2929
    { "f15", offsetof(CPUState, fpr[15]) },
2930
    { "f16", offsetof(CPUState, fpr[16]) },
2931
    { "f17", offsetof(CPUState, fpr[17]) },
2932
    { "f18", offsetof(CPUState, fpr[18]) },
2933
    { "f19", offsetof(CPUState, fpr[19]) },
2934
    { "f20", offsetof(CPUState, fpr[20]) },
2935
    { "f21", offsetof(CPUState, fpr[21]) },
2936
    { "f22", offsetof(CPUState, fpr[22]) },
2937
    { "f23", offsetof(CPUState, fpr[23]) },
2938
    { "f24", offsetof(CPUState, fpr[24]) },
2939
    { "f25", offsetof(CPUState, fpr[25]) },
2940
    { "f26", offsetof(CPUState, fpr[26]) },
2941
    { "f27", offsetof(CPUState, fpr[27]) },
2942
    { "f28", offsetof(CPUState, fpr[28]) },
2943
    { "f29", offsetof(CPUState, fpr[29]) },
2944
    { "f30", offsetof(CPUState, fpr[30]) },
2945
    { "f31", offsetof(CPUState, fpr[31]) },
2946
#ifdef TARGET_SPARC64
2947
    { "f32", offsetof(CPUState, fpr[32]) },
2948
    { "f34", offsetof(CPUState, fpr[34]) },
2949
    { "f36", offsetof(CPUState, fpr[36]) },
2950
    { "f38", offsetof(CPUState, fpr[38]) },
2951
    { "f40", offsetof(CPUState, fpr[40]) },
2952
    { "f42", offsetof(CPUState, fpr[42]) },
2953
    { "f44", offsetof(CPUState, fpr[44]) },
2954
    { "f46", offsetof(CPUState, fpr[46]) },
2955
    { "f48", offsetof(CPUState, fpr[48]) },
2956
    { "f50", offsetof(CPUState, fpr[50]) },
2957
    { "f52", offsetof(CPUState, fpr[52]) },
2958
    { "f54", offsetof(CPUState, fpr[54]) },
2959
    { "f56", offsetof(CPUState, fpr[56]) },
2960
    { "f58", offsetof(CPUState, fpr[58]) },
2961
    { "f60", offsetof(CPUState, fpr[60]) },
2962
    { "f62", offsetof(CPUState, fpr[62]) },
2963
    { "asi", offsetof(CPUState, asi) },
2964
    { "pstate", offsetof(CPUState, pstate) },
2965
    { "cansave", offsetof(CPUState, cansave) },
2966
    { "canrestore", offsetof(CPUState, canrestore) },
2967
    { "otherwin", offsetof(CPUState, otherwin) },
2968
    { "wstate", offsetof(CPUState, wstate) },
2969
    { "cleanwin", offsetof(CPUState, cleanwin) },
2970
    { "fprs", offsetof(CPUState, fprs) },
2971
#endif
2972
#endif
2973
    { NULL },
2974
};
2975

    
2976
static void expr_error(Monitor *mon, const char *msg)
2977
{
2978
    monitor_printf(mon, "%s\n", msg);
2979
    longjmp(expr_env, 1);
2980
}
2981

    
2982
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2983
static int get_monitor_def(target_long *pval, const char *name)
2984
{
2985
    const MonitorDef *md;
2986
    void *ptr;
2987

    
2988
    for(md = monitor_defs; md->name != NULL; md++) {
2989
        if (compare_cmd(name, md->name)) {
2990
            if (md->get_value) {
2991
                *pval = md->get_value(md, md->offset);
2992
            } else {
2993
                CPUState *env = mon_get_cpu();
2994
                if (!env)
2995
                    return -2;
2996
                ptr = (uint8_t *)env + md->offset;
2997
                switch(md->type) {
2998
                case MD_I32:
2999
                    *pval = *(int32_t *)ptr;
3000
                    break;
3001
                case MD_TLONG:
3002
                    *pval = *(target_long *)ptr;
3003
                    break;
3004
                default:
3005
                    *pval = 0;
3006
                    break;
3007
                }
3008
            }
3009
            return 0;
3010
        }
3011
    }
3012
    return -1;
3013
}
3014

    
3015
static void next(void)
3016
{
3017
    if (*pch != '\0') {
3018
        pch++;
3019
        while (qemu_isspace(*pch))
3020
            pch++;
3021
    }
3022
}
3023

    
3024
static int64_t expr_sum(Monitor *mon);
3025

    
3026
static int64_t expr_unary(Monitor *mon)
3027
{
3028
    int64_t n;
3029
    char *p;
3030
    int ret;
3031

    
3032
    switch(*pch) {
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_unary(mon);
3044
        break;
3045
    case '(':
3046
        next();
3047
        n = expr_sum(mon);
3048
        if (*pch != ')') {
3049
            expr_error(mon, "')' expected");
3050
        }
3051
        next();
3052
        break;
3053
    case '\'':
3054
        pch++;
3055
        if (*pch == '\0')
3056
            expr_error(mon, "character constant expected");
3057
        n = *pch;
3058
        pch++;
3059
        if (*pch != '\'')
3060
            expr_error(mon, "missing terminating \' character");
3061
        next();
3062
        break;
3063
    case '$':
3064
        {
3065
            char buf[128], *q;
3066
            target_long reg=0;
3067

    
3068
            pch++;
3069
            q = buf;
3070
            while ((*pch >= 'a' && *pch <= 'z') ||
3071
                   (*pch >= 'A' && *pch <= 'Z') ||
3072
                   (*pch >= '0' && *pch <= '9') ||
3073
                   *pch == '_' || *pch == '.') {
3074
                if ((q - buf) < sizeof(buf) - 1)
3075
                    *q++ = *pch;
3076
                pch++;
3077
            }
3078
            while (qemu_isspace(*pch))
3079
                pch++;
3080
            *q = 0;
3081
            ret = get_monitor_def(&reg, buf);
3082
            if (ret == -1)
3083
                expr_error(mon, "unknown register");
3084
            else if (ret == -2)
3085
                expr_error(mon, "no cpu defined");
3086
            n = reg;
3087
        }
3088
        break;
3089
    case '\0':
3090
        expr_error(mon, "unexpected end of expression");
3091
        n = 0;
3092
        break;
3093
    default:
3094
#if TARGET_PHYS_ADDR_BITS > 32
3095
        n = strtoull(pch, &p, 0);
3096
#else
3097
        n = strtoul(pch, &p, 0);
3098
#endif
3099
        if (pch == p) {
3100
            expr_error(mon, "invalid char in expression");
3101
        }
3102
        pch = p;
3103
        while (qemu_isspace(*pch))
3104
            pch++;
3105
        break;
3106
    }
3107
    return n;
3108
}
3109

    
3110

    
3111
static int64_t expr_prod(Monitor *mon)
3112
{
3113
    int64_t val, val2;
3114
    int op;
3115

    
3116
    val = expr_unary(mon);
3117
    for(;;) {
3118
        op = *pch;
3119
        if (op != '*' && op != '/' && op != '%')
3120
            break;
3121
        next();
3122
        val2 = expr_unary(mon);
3123
        switch(op) {
3124
        default:
3125
        case '*':
3126
            val *= val2;
3127
            break;
3128
        case '/':
3129
        case '%':
3130
            if (val2 == 0)
3131
                expr_error(mon, "division by zero");
3132
            if (op == '/')
3133
                val /= val2;
3134
            else
3135
                val %= val2;
3136
            break;
3137
        }
3138
    }
3139
    return val;
3140
}
3141

    
3142
static int64_t expr_logic(Monitor *mon)
3143
{
3144
    int64_t val, val2;
3145
    int op;
3146

    
3147
    val = expr_prod(mon);
3148
    for(;;) {
3149
        op = *pch;
3150
        if (op != '&' && op != '|' && op != '^')
3151
            break;
3152
        next();
3153
        val2 = expr_prod(mon);
3154
        switch(op) {
3155
        default:
3156
        case '&':
3157
            val &= val2;
3158
            break;
3159
        case '|':
3160
            val |= val2;
3161
            break;
3162
        case '^':
3163
            val ^= val2;
3164
            break;
3165
        }
3166
    }
3167
    return val;
3168
}
3169

    
3170
static int64_t expr_sum(Monitor *mon)
3171
{
3172
    int64_t val, val2;
3173
    int op;
3174

    
3175
    val = expr_logic(mon);
3176
    for(;;) {
3177
        op = *pch;
3178
        if (op != '+' && op != '-')
3179
            break;
3180
        next();
3181
        val2 = expr_logic(mon);
3182
        if (op == '+')
3183
            val += val2;
3184
        else
3185
            val -= val2;
3186
    }
3187
    return val;
3188
}
3189

    
3190
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3191
{
3192
    pch = *pp;
3193
    if (setjmp(expr_env)) {
3194
        *pp = pch;
3195
        return -1;
3196
    }
3197
    while (qemu_isspace(*pch))
3198
        pch++;
3199
    *pval = expr_sum(mon);
3200
    *pp = pch;
3201
    return 0;
3202
}
3203

    
3204
static int get_str(char *buf, int buf_size, const char **pp)
3205
{
3206
    const char *p;
3207
    char *q;
3208
    int c;
3209

    
3210
    q = buf;
3211
    p = *pp;
3212
    while (qemu_isspace(*p))
3213
        p++;
3214
    if (*p == '\0') {
3215
    fail:
3216
        *q = '\0';
3217
        *pp = p;
3218
        return -1;
3219
    }
3220
    if (*p == '\"') {
3221
        p++;
3222
        while (*p != '\0' && *p != '\"') {
3223
            if (*p == '\\') {
3224
                p++;
3225
                c = *p++;
3226
                switch(c) {
3227
                case 'n':
3228
                    c = '\n';
3229
                    break;
3230
                case 'r':
3231
                    c = '\r';
3232
                    break;
3233
                case '\\':
3234
                case '\'':
3235
                case '\"':
3236
                    break;
3237
                default:
3238
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3239
                    goto fail;
3240
                }
3241
                if ((q - buf) < buf_size - 1) {
3242
                    *q++ = c;
3243
                }
3244
            } else {
3245
                if ((q - buf) < buf_size - 1) {
3246
                    *q++ = *p;
3247
                }
3248
                p++;
3249
            }
3250
        }
3251
        if (*p != '\"') {
3252
            qemu_printf("unterminated string\n");
3253
            goto fail;
3254
        }
3255
        p++;
3256
    } else {
3257
        while (*p != '\0' && !qemu_isspace(*p)) {
3258
            if ((q - buf) < buf_size - 1) {
3259
                *q++ = *p;
3260
            }
3261
            p++;
3262
        }
3263
    }
3264
    *q = '\0';
3265
    *pp = p;
3266
    return 0;
3267
}
3268

    
3269
/*
3270
 * Store the command-name in cmdname, and return a pointer to
3271
 * the remaining of the command string.
3272
 */
3273
static const char *get_command_name(const char *cmdline,
3274
                                    char *cmdname, size_t nlen)
3275
{
3276
    size_t len;
3277
    const char *p, *pstart;
3278

    
3279
    p = cmdline;
3280
    while (qemu_isspace(*p))
3281
        p++;
3282
    if (*p == '\0')
3283
        return NULL;
3284
    pstart = p;
3285
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3286
        p++;
3287
    len = p - pstart;
3288
    if (len > nlen - 1)
3289
        len = nlen - 1;
3290
    memcpy(cmdname, pstart, len);
3291
    cmdname[len] = '\0';
3292
    return p;
3293
}
3294

    
3295
/**
3296
 * Read key of 'type' into 'key' and return the current
3297
 * 'type' pointer.
3298
 */
3299
static char *key_get_info(const char *type, char **key)
3300
{
3301
    size_t len;
3302
    char *p, *str;
3303

    
3304
    if (*type == ',')
3305
        type++;
3306

    
3307
    p = strchr(type, ':');
3308
    if (!p) {
3309
        *key = NULL;
3310
        return NULL;
3311
    }
3312
    len = p - type;
3313

    
3314
    str = qemu_malloc(len + 1);
3315
    memcpy(str, type, len);
3316
    str[len] = '\0';
3317

    
3318
    *key = str;
3319
    return ++p;
3320
}
3321

    
3322
static int default_fmt_format = 'x';
3323
static int default_fmt_size = 4;
3324

    
3325
#define MAX_ARGS 16
3326

    
3327
static int is_valid_option(const char *c, const char *typestr)
3328
{
3329
    char option[3];
3330
  
3331
    option[0] = '-';
3332
    option[1] = *c;
3333
    option[2] = '\0';
3334
  
3335
    typestr = strstr(typestr, option);
3336
    return (typestr != NULL);
3337
}
3338

    
3339
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3340
{
3341
    const mon_cmd_t *cmd;
3342

    
3343
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3344
        if (compare_cmd(cmdname, cmd->name)) {
3345
            return cmd;
3346
        }
3347
    }
3348

    
3349
    return NULL;
3350
}
3351

    
3352
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3353
                                              const char *cmdline,
3354
                                              QDict *qdict)
3355
{
3356
    const char *p, *typestr;
3357
    int c;
3358
    const mon_cmd_t *cmd;
3359
    char cmdname[256];
3360
    char buf[1024];
3361
    char *key;
3362

    
3363
#ifdef DEBUG
3364
    monitor_printf(mon, "command='%s'\n", cmdline);
3365
#endif
3366

    
3367
    /* extract the command name */
3368
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3369
    if (!p)
3370
        return NULL;
3371

    
3372
    cmd = monitor_find_command(cmdname);
3373
    if (!cmd) {
3374
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3375
        return NULL;
3376
    }
3377

    
3378
    /* parse the parameters */
3379
    typestr = cmd->args_type;
3380
    for(;;) {
3381
        typestr = key_get_info(typestr, &key);
3382
        if (!typestr)
3383
            break;
3384
        c = *typestr;
3385
        typestr++;
3386
        switch(c) {
3387
        case 'F':
3388
        case 'B':
3389
        case 's':
3390
            {
3391
                int ret;
3392

    
3393
                while (qemu_isspace(*p))
3394
                    p++;
3395
                if (*typestr == '?') {
3396
                    typestr++;
3397
                    if (*p == '\0') {
3398
                        /* no optional string: NULL argument */
3399
                        break;
3400
                    }
3401
                }
3402
                ret = get_str(buf, sizeof(buf), &p);
3403
                if (ret < 0) {
3404
                    switch(c) {
3405
                    case 'F':
3406
                        monitor_printf(mon, "%s: filename expected\n",
3407
                                       cmdname);
3408
                        break;
3409
                    case 'B':
3410
                        monitor_printf(mon, "%s: block device name expected\n",
3411
                                       cmdname);
3412
                        break;
3413
                    default:
3414
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3415
                        break;
3416
                    }
3417
                    goto fail;
3418
                }
3419
                qdict_put(qdict, key, qstring_from_str(buf));
3420
            }
3421
            break;
3422
        case '/':
3423
            {
3424
                int count, format, size;
3425

    
3426
                while (qemu_isspace(*p))
3427
                    p++;
3428
                if (*p == '/') {
3429
                    /* format found */
3430
                    p++;
3431
                    count = 1;
3432
                    if (qemu_isdigit(*p)) {
3433
                        count = 0;
3434
                        while (qemu_isdigit(*p)) {
3435
                            count = count * 10 + (*p - '0');
3436
                            p++;
3437
                        }
3438
                    }
3439
                    size = -1;
3440
                    format = -1;
3441
                    for(;;) {
3442
                        switch(*p) {
3443
                        case 'o':
3444
                        case 'd':
3445
                        case 'u':
3446
                        case 'x':
3447
                        case 'i':
3448
                        case 'c':
3449
                            format = *p++;
3450
                            break;
3451
                        case 'b':
3452
                            size = 1;
3453
                            p++;
3454
                            break;
3455
                        case 'h':
3456
                            size = 2;
3457
                            p++;
3458
                            break;
3459
                        case 'w':
3460
                            size = 4;
3461
                            p++;
3462
                            break;
3463
                        case 'g':
3464
                        case 'L':
3465
                            size = 8;
3466
                            p++;
3467
                            break;
3468
                        default:
3469
                            goto next;
3470
                        }
3471
                    }
3472
                next:
3473
                    if (*p != '\0' && !qemu_isspace(*p)) {
3474
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3475
                                       *p);
3476
                        goto fail;
3477
                    }
3478
                    if (format < 0)
3479
                        format = default_fmt_format;
3480
                    if (format != 'i') {
3481
                        /* for 'i', not specifying a size gives -1 as size */
3482
                        if (size < 0)
3483
                            size = default_fmt_size;
3484
                        default_fmt_size = size;
3485
                    }
3486
                    default_fmt_format = format;
3487
                } else {
3488
                    count = 1;
3489
                    format = default_fmt_format;
3490
                    if (format != 'i') {
3491
                        size = default_fmt_size;
3492
                    } else {
3493
                        size = -1;
3494
                    }
3495
                }
3496
                qdict_put(qdict, "count", qint_from_int(count));
3497
                qdict_put(qdict, "format", qint_from_int(format));
3498
                qdict_put(qdict, "size", qint_from_int(size));
3499
            }
3500
            break;
3501
        case 'i':
3502
        case 'l':
3503
        case 'M':
3504
            {
3505
                int64_t val;
3506

    
3507
                while (qemu_isspace(*p))
3508
                    p++;
3509
                if (*typestr == '?' || *typestr == '.') {
3510
                    if (*typestr == '?') {
3511
                        if (*p == '\0') {
3512
                            typestr++;
3513
                            break;
3514
                        }
3515
                    } else {
3516
                        if (*p == '.') {
3517
                            p++;
3518
                            while (qemu_isspace(*p))
3519
                                p++;
3520
                        } else {
3521
                            typestr++;
3522
                            break;
3523
                        }
3524
                    }
3525
                    typestr++;
3526
                }
3527
                if (get_expr(mon, &val, &p))
3528
                    goto fail;
3529
                /* Check if 'i' is greater than 32-bit */
3530
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3531
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3532
                    monitor_printf(mon, "integer is for 32-bit values\n");
3533
                    goto fail;
3534
                } else if (c == 'M') {
3535
                    val <<= 20;
3536
                }
3537
                qdict_put(qdict, key, qint_from_int(val));
3538
            }
3539
            break;
3540
        case '-':
3541
            {
3542
                const char *tmp = p;
3543
                int has_option, skip_key = 0;
3544
                /* option */
3545

    
3546
                c = *typestr++;
3547
                if (c == '\0')
3548
                    goto bad_type;
3549
                while (qemu_isspace(*p))
3550
                    p++;
3551
                has_option = 0;
3552
                if (*p == '-') {
3553
                    p++;
3554
                    if(c != *p) {
3555
                        if(!is_valid_option(p, typestr)) {
3556
                  
3557
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3558
                                           cmdname, *p);
3559
                            goto fail;
3560
                        } else {
3561
                            skip_key = 1;
3562
                        }
3563
                    }
3564
                    if(skip_key) {
3565
                        p = tmp;
3566
                    } else {
3567
                        p++;
3568
                        has_option = 1;
3569
                    }
3570
                }
3571
                qdict_put(qdict, key, qint_from_int(has_option));
3572
            }
3573
            break;
3574
        default:
3575
        bad_type:
3576
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3577
            goto fail;
3578
        }
3579
        qemu_free(key);
3580
        key = NULL;
3581
    }
3582
    /* check that all arguments were parsed */
3583
    while (qemu_isspace(*p))
3584
        p++;
3585
    if (*p != '\0') {
3586
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3587
                       cmdname);
3588
        goto fail;
3589
    }
3590

    
3591
    return cmd;
3592

    
3593
fail:
3594
    qemu_free(key);
3595
    return NULL;
3596
}
3597

    
3598
static void monitor_print_error(Monitor *mon)
3599
{
3600
    qerror_print(mon->error);
3601
    QDECREF(mon->error);
3602
    mon->error = NULL;
3603
}
3604

    
3605
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3606
                                 const QDict *params)
3607
{
3608
    QObject *data = NULL;
3609

    
3610
    cmd->mhandler.cmd_new(mon, params, &data);
3611

    
3612
    if (monitor_ctrl_mode(mon)) {
3613
        /* Monitor Protocol */
3614
        monitor_protocol_emitter(mon, data);
3615
    } else {
3616
        /* User Protocol */
3617
         if (data)
3618
            cmd->user_print(mon, data);
3619
    }
3620

    
3621
    qobject_decref(data);
3622
}
3623

    
3624
static void handle_user_command(Monitor *mon, const char *cmdline)
3625
{
3626
    QDict *qdict;
3627
    const mon_cmd_t *cmd;
3628

    
3629
    qdict = qdict_new();
3630

    
3631
    cmd = monitor_parse_command(mon, cmdline, qdict);
3632
    if (!cmd)
3633
        goto out;
3634

    
3635
    qemu_errors_to_mon(mon);
3636

    
3637
    if (monitor_handler_ported(cmd)) {
3638
        monitor_call_handler(mon, cmd, qdict);
3639
    } else {
3640
        cmd->mhandler.cmd(mon, qdict);
3641
    }
3642

    
3643
    if (monitor_has_error(mon))
3644
        monitor_print_error(mon);
3645

    
3646
    qemu_errors_to_previous();
3647

    
3648
out:
3649
    QDECREF(qdict);
3650
}
3651

    
3652
static void cmd_completion(const char *name, const char *list)
3653
{
3654
    const char *p, *pstart;
3655
    char cmd[128];
3656
    int len;
3657

    
3658
    p = list;
3659
    for(;;) {
3660
        pstart = p;
3661
        p = strchr(p, '|');
3662
        if (!p)
3663
            p = pstart + strlen(pstart);
3664
        len = p - pstart;
3665
        if (len > sizeof(cmd) - 2)
3666
            len = sizeof(cmd) - 2;
3667
        memcpy(cmd, pstart, len);
3668
        cmd[len] = '\0';
3669
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3670
            readline_add_completion(cur_mon->rs, cmd);
3671
        }
3672
        if (*p == '\0')
3673
            break;
3674
        p++;
3675
    }
3676
}
3677

    
3678
static void file_completion(const char *input)
3679
{
3680
    DIR *ffs;
3681
    struct dirent *d;
3682
    char path[1024];
3683
    char file[1024], file_prefix[1024];
3684
    int input_path_len;
3685
    const char *p;
3686

    
3687
    p = strrchr(input, '/');
3688
    if (!p) {
3689
        input_path_len = 0;
3690
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3691
        pstrcpy(path, sizeof(path), ".");
3692
    } else {
3693
        input_path_len = p - input + 1;
3694
        memcpy(path, input, input_path_len);
3695
        if (input_path_len > sizeof(path) - 1)
3696
            input_path_len = sizeof(path) - 1;
3697
        path[input_path_len] = '\0';
3698
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3699
    }
3700
#ifdef DEBUG_COMPLETION
3701
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3702
                   input, path, file_prefix);
3703
#endif
3704
    ffs = opendir(path);
3705
    if (!ffs)
3706
        return;
3707
    for(;;) {
3708
        struct stat sb;
3709
        d = readdir(ffs);
3710
        if (!d)
3711
            break;
3712
        if (strstart(d->d_name, file_prefix, NULL)) {
3713
            memcpy(file, input, input_path_len);
3714
            if (input_path_len < sizeof(file))
3715
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3716
                        d->d_name);
3717
            /* stat the file to find out if it's a directory.
3718
             * In that case add a slash to speed up typing long paths
3719
             */
3720
            stat(file, &sb);
3721
            if(S_ISDIR(sb.st_mode))
3722
                pstrcat(file, sizeof(file), "/");
3723
            readline_add_completion(cur_mon->rs, file);
3724
        }
3725
    }
3726
    closedir(ffs);
3727
}
3728

    
3729
static void block_completion_it(void *opaque, BlockDriverState *bs)
3730
{
3731
    const char *name = bdrv_get_device_name(bs);
3732
    const char *input = opaque;
3733

    
3734
    if (input[0] == '\0' ||
3735
        !strncmp(name, (char *)input, strlen(input))) {
3736
        readline_add_completion(cur_mon->rs, name);
3737
    }
3738
}
3739

    
3740
/* NOTE: this parser is an approximate form of the real command parser */
3741
static void parse_cmdline(const char *cmdline,
3742
                         int *pnb_args, char **args)
3743
{
3744
    const char *p;
3745
    int nb_args, ret;
3746
    char buf[1024];
3747

    
3748
    p = cmdline;
3749
    nb_args = 0;
3750
    for(;;) {
3751
        while (qemu_isspace(*p))
3752
            p++;
3753
        if (*p == '\0')
3754
            break;
3755
        if (nb_args >= MAX_ARGS)
3756
            break;
3757
        ret = get_str(buf, sizeof(buf), &p);
3758
        args[nb_args] = qemu_strdup(buf);
3759
        nb_args++;
3760
        if (ret < 0)
3761
            break;
3762
    }
3763
    *pnb_args = nb_args;
3764
}
3765

    
3766
static const char *next_arg_type(const char *typestr)
3767
{
3768
    const char *p = strchr(typestr, ':');
3769
    return (p != NULL ? ++p : typestr);
3770
}
3771

    
3772
static void monitor_find_completion(const char *cmdline)
3773
{
3774
    const char *cmdname;
3775
    char *args[MAX_ARGS];
3776
    int nb_args, i, len;
3777
    const char *ptype, *str;
3778
    const mon_cmd_t *cmd;
3779
    const KeyDef *key;
3780

    
3781
    parse_cmdline(cmdline, &nb_args, args);
3782
#ifdef DEBUG_COMPLETION
3783
    for(i = 0; i < nb_args; i++) {
3784
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3785
    }
3786
#endif
3787

    
3788
    /* if the line ends with a space, it means we want to complete the
3789
       next arg */
3790
    len = strlen(cmdline);
3791
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3792
        if (nb_args >= MAX_ARGS)
3793
            return;
3794
        args[nb_args++] = qemu_strdup("");
3795
    }
3796
    if (nb_args <= 1) {
3797
        /* command completion */
3798
        if (nb_args == 0)
3799
            cmdname = "";
3800
        else
3801
            cmdname = args[0];
3802
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3803
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3804
            cmd_completion(cmdname, cmd->name);
3805
        }
3806
    } else {
3807
        /* find the command */
3808
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3809
            if (compare_cmd(args[0], cmd->name))
3810
                goto found;
3811
        }
3812
        return;
3813
    found:
3814
        ptype = next_arg_type(cmd->args_type);
3815
        for(i = 0; i < nb_args - 2; i++) {
3816
            if (*ptype != '\0') {
3817
                ptype = next_arg_type(ptype);
3818
                while (*ptype == '?')
3819
                    ptype = next_arg_type(ptype);
3820
            }
3821
        }
3822
        str = args[nb_args - 1];
3823
        if (*ptype == '-' && ptype[1] != '\0') {
3824
            ptype += 2;
3825
        }
3826
        switch(*ptype) {
3827
        case 'F':
3828
            /* file completion */
3829
            readline_set_completion_index(cur_mon->rs, strlen(str));
3830
            file_completion(str);
3831
            break;
3832
        case 'B':
3833
            /* block device name completion */
3834
            readline_set_completion_index(cur_mon->rs, strlen(str));
3835
            bdrv_iterate(block_completion_it, (void *)str);
3836
            break;
3837
        case 's':
3838
            /* XXX: more generic ? */
3839
            if (!strcmp(cmd->name, "info")) {
3840
                readline_set_completion_index(cur_mon->rs, strlen(str));
3841
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3842
                    cmd_completion(str, cmd->name);
3843
                }
3844
            } else if (!strcmp(cmd->name, "sendkey")) {
3845
                char *sep = strrchr(str, '-');
3846
                if (sep)
3847
                    str = sep + 1;
3848
                readline_set_completion_index(cur_mon->rs, strlen(str));
3849
                for(key = key_defs; key->name != NULL; key++) {
3850
                    cmd_completion(str, key->name);
3851
                }
3852
            } else if (!strcmp(cmd->name, "help|?")) {
3853
                readline_set_completion_index(cur_mon->rs, strlen(str));
3854
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3855
                    cmd_completion(str, cmd->name);
3856
                }
3857
            }
3858
            break;
3859
        default:
3860
            break;
3861
        }
3862
    }
3863
    for(i = 0; i < nb_args; i++)
3864
        qemu_free(args[i]);
3865
}
3866

    
3867
static int monitor_can_read(void *opaque)
3868
{
3869
    Monitor *mon = opaque;
3870

    
3871
    return (mon->suspend_cnt == 0) ? 1 : 0;
3872
}
3873

    
3874
typedef struct CmdArgs {
3875
    QString *name;
3876
    int type;
3877
    int flag;
3878
    int optional;
3879
} CmdArgs;
3880

    
3881
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3882
{
3883
    if (!cmd_args->optional) {
3884
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3885
        return -1;
3886
    }
3887

    
3888
    if (cmd_args->type == '-') {
3889
        /* handlers expect a value, they need to be changed */
3890
        qdict_put(args, name, qint_from_int(0));
3891
    }
3892

    
3893
    return 0;
3894
}
3895

    
3896
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3897
{
3898
    QObject *value;
3899
    const char *name;
3900

    
3901
    name = qstring_get_str(cmd_args->name);
3902

    
3903
    if (!args) {
3904
        return check_opt(cmd_args, name, args);
3905
    }
3906

    
3907
    value = qdict_get(args, name);
3908
    if (!value) {
3909
        return check_opt(cmd_args, name, args);
3910
    }
3911

    
3912
    switch (cmd_args->type) {
3913
        case 'F':
3914
        case 'B':
3915
        case 's':
3916
            if (qobject_type(value) != QTYPE_QSTRING) {
3917
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3918
                return -1;
3919
            }
3920
            break;
3921
        case '/': {
3922
            int i;
3923
            const char *keys[] = { "count", "format", "size", NULL };
3924

    
3925
            for (i = 0; keys[i]; i++) {
3926
                QObject *obj = qdict_get(args, keys[i]);
3927
                if (!obj) {
3928
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3929
                    return -1;
3930
                }
3931
                if (qobject_type(obj) != QTYPE_QINT) {
3932
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3933
                    return -1;
3934
                }
3935
            }
3936
            break;
3937
        }
3938
        case 'i':
3939
        case 'l':
3940
        case 'M':
3941
            if (qobject_type(value) != QTYPE_QINT) {
3942
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3943
                return -1;
3944
            }
3945
            break;
3946
        case '-':
3947
            if (qobject_type(value) != QTYPE_QINT &&
3948
                qobject_type(value) != QTYPE_QBOOL) {
3949
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3950
                return -1;
3951
            }
3952
            if (qobject_type(value) == QTYPE_QBOOL) {
3953
                /* handlers expect a QInt, they need to be changed */
3954
                qdict_put(args, name,
3955
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3956
            }
3957
            break;
3958
        default:
3959
            /* impossible */
3960
            abort();
3961
    }
3962

    
3963
    return 0;
3964
}
3965

    
3966
static void cmd_args_init(CmdArgs *cmd_args)
3967
{
3968
    cmd_args->name = qstring_new();
3969
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3970
}
3971

    
3972
/*
3973
 * This is not trivial, we have to parse Monitor command's argument
3974
 * type syntax to be able to check the arguments provided by clients.
3975
 *
3976
 * In the near future we will be using an array for that and will be
3977
 * able to drop all this parsing...
3978
 */
3979
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3980
{
3981
    int err;
3982
    const char *p;
3983
    CmdArgs cmd_args;
3984

    
3985
    if (cmd->args_type == NULL) {
3986
        return (qdict_size(args) == 0 ? 0 : -1);
3987
    }
3988

    
3989
    err = 0;
3990
    cmd_args_init(&cmd_args);
3991

    
3992
    for (p = cmd->args_type;; p++) {
3993
        if (*p == ':') {
3994
            cmd_args.type = *++p;
3995
            p++;
3996
            if (cmd_args.type == '-') {
3997
                cmd_args.flag = *p++;
3998
                cmd_args.optional = 1;
3999
            } else if (*p == '?') {
4000
                cmd_args.optional = 1;
4001
                p++;
4002
            }
4003

    
4004
            assert(*p == ',' || *p == '\0');
4005
            err = check_arg(&cmd_args, args);
4006

    
4007
            QDECREF(cmd_args.name);
4008
            cmd_args_init(&cmd_args);
4009

    
4010
            if (err < 0) {
4011
                break;
4012
            }
4013
        } else {
4014
            qstring_append_chr(cmd_args.name, *p);
4015
        }
4016

    
4017
        if (*p == '\0') {
4018
            break;
4019
        }
4020
    }
4021

    
4022
    QDECREF(cmd_args.name);
4023
    return err;
4024
}
4025

    
4026
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4027
{
4028
    int err;
4029
    QObject *obj;
4030
    QDict *input, *args;
4031
    const mon_cmd_t *cmd;
4032
    Monitor *mon = cur_mon;
4033
    const char *cmd_name, *info_item;
4034

    
4035
    args = NULL;
4036
    qemu_errors_to_mon(mon);
4037

    
4038
    obj = json_parser_parse(tokens, NULL);
4039
    if (!obj) {
4040
        // FIXME: should be triggered in json_parser_parse()
4041
        qemu_error_new(QERR_JSON_PARSING);
4042
        goto err_out;
4043
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4044
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4045
        qobject_decref(obj);
4046
        goto err_out;
4047
    }
4048

    
4049
    input = qobject_to_qdict(obj);
4050

    
4051
    mon->mc->id = qdict_get(input, "id");
4052
    qobject_incref(mon->mc->id);
4053

    
4054
    obj = qdict_get(input, "execute");
4055
    if (!obj) {
4056
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4057
        goto err_input;
4058
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4059
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4060
        goto err_input;
4061
    }
4062

    
4063
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4064

    
4065
    /*
4066
     * XXX: We need this special case until we get info handlers
4067
     * converted into 'query-' commands
4068
     */
4069
    if (compare_cmd(cmd_name, "info")) {
4070
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4071
        goto err_input;
4072
    } else if (strstart(cmd_name, "query-", &info_item)) {
4073
        cmd = monitor_find_command("info");
4074
        qdict_put_obj(input, "arguments",
4075
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4076
    } else {
4077
        cmd = monitor_find_command(cmd_name);
4078
        if (!cmd || !monitor_handler_ported(cmd)) {
4079
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4080
            goto err_input;
4081
        }
4082
    }
4083

    
4084
    obj = qdict_get(input, "arguments");
4085
    if (!obj) {
4086
        args = qdict_new();
4087
    } else {
4088
        args = qobject_to_qdict(obj);
4089
        QINCREF(args);
4090
    }
4091

    
4092
    QDECREF(input);
4093

    
4094
    err = monitor_check_qmp_args(cmd, args);
4095
    if (err < 0) {
4096
        goto err_out;
4097
    }
4098

    
4099
    monitor_call_handler(mon, cmd, args);
4100
    goto out;
4101

    
4102
err_input:
4103
    QDECREF(input);
4104
err_out:
4105
    monitor_protocol_emitter(mon, NULL);
4106
out:
4107
    QDECREF(args);
4108
    qemu_errors_to_previous();
4109
}
4110

    
4111
/**
4112
 * monitor_control_read(): Read and handle QMP input
4113
 */
4114
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4115
{
4116
    Monitor *old_mon = cur_mon;
4117

    
4118
    cur_mon = opaque;
4119

    
4120
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4121

    
4122
    cur_mon = old_mon;
4123
}
4124

    
4125
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4126
{
4127
    Monitor *old_mon = cur_mon;
4128
    int i;
4129

    
4130
    cur_mon = opaque;
4131

    
4132
    if (cur_mon->rs) {
4133
        for (i = 0; i < size; i++)
4134
            readline_handle_byte(cur_mon->rs, buf[i]);
4135
    } else {
4136
        if (size == 0 || buf[size - 1] != 0)
4137
            monitor_printf(cur_mon, "corrupted command\n");
4138
        else
4139
            handle_user_command(cur_mon, (char *)buf);
4140
    }
4141

    
4142
    cur_mon = old_mon;
4143
}
4144

    
4145
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4146
{
4147
    monitor_suspend(mon);
4148
    handle_user_command(mon, cmdline);
4149
    monitor_resume(mon);
4150
}
4151

    
4152
int monitor_suspend(Monitor *mon)
4153
{
4154
    if (!mon->rs)
4155
        return -ENOTTY;
4156
    mon->suspend_cnt++;
4157
    return 0;
4158
}
4159

    
4160
void monitor_resume(Monitor *mon)
4161
{
4162
    if (!mon->rs)
4163
        return;
4164
    if (--mon->suspend_cnt == 0)
4165
        readline_show_prompt(mon->rs);
4166
}
4167

    
4168
/**
4169
 * monitor_control_event(): Print QMP gretting
4170
 */
4171
static void monitor_control_event(void *opaque, int event)
4172
{
4173
    if (event == CHR_EVENT_OPENED) {
4174
        QObject *data;
4175
        Monitor *mon = opaque;
4176

    
4177
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4178

    
4179
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4180
        assert(data != NULL);
4181

    
4182
        monitor_json_emitter(mon, data);
4183
        qobject_decref(data);
4184
    }
4185
}
4186

    
4187
static void monitor_event(void *opaque, int event)
4188
{
4189
    Monitor *mon = opaque;
4190

    
4191
    switch (event) {
4192
    case CHR_EVENT_MUX_IN:
4193
        mon->mux_out = 0;
4194
        if (mon->reset_seen) {
4195
            readline_restart(mon->rs);
4196
            monitor_resume(mon);
4197
            monitor_flush(mon);
4198
        } else {
4199
            mon->suspend_cnt = 0;
4200
        }
4201
        break;
4202

    
4203
    case CHR_EVENT_MUX_OUT:
4204
        if (mon->reset_seen) {
4205
            if (mon->suspend_cnt == 0) {
4206
                monitor_printf(mon, "\n");
4207
            }
4208
            monitor_flush(mon);
4209
            monitor_suspend(mon);
4210
        } else {
4211
            mon->suspend_cnt++;
4212
        }
4213
        mon->mux_out = 1;
4214
        break;
4215

    
4216
    case CHR_EVENT_OPENED:
4217
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4218
                       "information\n", QEMU_VERSION);
4219
        if (!mon->mux_out) {
4220
            readline_show_prompt(mon->rs);
4221
        }
4222
        mon->reset_seen = 1;
4223
        break;
4224
    }
4225
}
4226

    
4227

    
4228
/*
4229
 * Local variables:
4230
 *  c-indent-level: 4
4231
 *  c-basic-offset: 4
4232
 *  tab-width: 8
4233
 * End:
4234
 */
4235

    
4236
void monitor_init(CharDriverState *chr, int flags)
4237
{
4238
    static int is_first_init = 1;
4239
    Monitor *mon;
4240

    
4241
    if (is_first_init) {
4242
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4243
        is_first_init = 0;
4244
    }
4245

    
4246
    mon = qemu_mallocz(sizeof(*mon));
4247

    
4248
    mon->chr = chr;
4249
    mon->flags = flags;
4250
    if (flags & MONITOR_USE_READLINE) {
4251
        mon->rs = readline_init(mon, monitor_find_completion);
4252
        monitor_read_command(mon, 0);
4253
    }
4254

    
4255
    if (monitor_ctrl_mode(mon)) {
4256
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4257
        /* Control mode requires special handlers */
4258
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4259
                              monitor_control_event, mon);
4260
    } else {
4261
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4262
                              monitor_event, mon);
4263
    }
4264

    
4265
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4266
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4267
        cur_mon = mon;
4268
}
4269

    
4270
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4271
{
4272
    BlockDriverState *bs = opaque;
4273
    int ret = 0;
4274

    
4275
    if (bdrv_set_key(bs, password) != 0) {
4276
        monitor_printf(mon, "invalid password\n");
4277
        ret = -EPERM;
4278
    }
4279
    if (mon->password_completion_cb)
4280
        mon->password_completion_cb(mon->password_opaque, ret);
4281

    
4282
    monitor_read_command(mon, 1);
4283
}
4284

    
4285
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4286
                                 BlockDriverCompletionFunc *completion_cb,
4287
                                 void *opaque)
4288
{
4289
    int err;
4290

    
4291
    if (!bdrv_key_required(bs)) {
4292
        if (completion_cb)
4293
            completion_cb(opaque, 0);
4294
        return;
4295
    }
4296

    
4297
    if (monitor_ctrl_mode(mon)) {
4298
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4299
        return;
4300
    }
4301

    
4302
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4303
                   bdrv_get_encrypted_filename(bs));
4304

    
4305
    mon->password_completion_cb = completion_cb;
4306
    mon->password_opaque = opaque;
4307

    
4308
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4309

    
4310
    if (err && completion_cb)
4311
        completion_cb(opaque, err);
4312
}
4313

    
4314
typedef struct QemuErrorSink QemuErrorSink;
4315
struct QemuErrorSink {
4316
    enum {
4317
        ERR_SINK_FILE,
4318
        ERR_SINK_MONITOR,
4319
    } dest;
4320
    union {
4321
        FILE    *fp;
4322
        Monitor *mon;
4323
    };
4324
    QemuErrorSink *previous;
4325
};
4326

    
4327
static QemuErrorSink *qemu_error_sink;
4328

    
4329
void qemu_errors_to_file(FILE *fp)
4330
{
4331
    QemuErrorSink *sink;
4332

    
4333
    sink = qemu_mallocz(sizeof(*sink));
4334
    sink->dest = ERR_SINK_FILE;
4335
    sink->fp = fp;
4336
    sink->previous = qemu_error_sink;
4337
    qemu_error_sink = sink;
4338
}
4339

    
4340
void qemu_errors_to_mon(Monitor *mon)
4341
{
4342
    QemuErrorSink *sink;
4343

    
4344
    sink = qemu_mallocz(sizeof(*sink));
4345
    sink->dest = ERR_SINK_MONITOR;
4346
    sink->mon = mon;
4347
    sink->previous = qemu_error_sink;
4348
    qemu_error_sink = sink;
4349
}
4350

    
4351
void qemu_errors_to_previous(void)
4352
{
4353
    QemuErrorSink *sink;
4354

    
4355
    assert(qemu_error_sink != NULL);
4356
    sink = qemu_error_sink;
4357
    qemu_error_sink = sink->previous;
4358
    qemu_free(sink);
4359
}
4360

    
4361
void qemu_error(const char *fmt, ...)
4362
{
4363
    va_list args;
4364

    
4365
    assert(qemu_error_sink != NULL);
4366
    switch (qemu_error_sink->dest) {
4367
    case ERR_SINK_FILE:
4368
        va_start(args, fmt);
4369
        vfprintf(qemu_error_sink->fp, fmt, args);
4370
        va_end(args);
4371
        break;
4372
    case ERR_SINK_MONITOR:
4373
        va_start(args, fmt);
4374
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4375
        va_end(args);
4376
        break;
4377
    }
4378
}
4379

    
4380
void qemu_error_internal(const char *file, int linenr, const char *func,
4381
                         const char *fmt, ...)
4382
{
4383
    va_list va;
4384
    QError *qerror;
4385

    
4386
    assert(qemu_error_sink != NULL);
4387

    
4388
    va_start(va, fmt);
4389
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4390
    va_end(va);
4391

    
4392
    switch (qemu_error_sink->dest) {
4393
    case ERR_SINK_FILE:
4394
        qerror_print(qerror);
4395
        QDECREF(qerror);
4396
        break;
4397
    case ERR_SINK_MONITOR:
4398
        assert(qemu_error_sink->mon->error == NULL);
4399
        qemu_error_sink->mon->error = qerror;
4400
        break;
4401
    }
4402
}