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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
 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <dirent.h>
25
#include "hw/hw.h"
26
#include "hw/qdev.h"
27
#include "hw/usb.h"
28
#include "hw/pcmcia.h"
29
#include "hw/pc.h"
30
#include "hw/pci.h"
31
#include "hw/watchdog.h"
32
#include "hw/loader.h"
33
#include "gdbstub.h"
34
#include "net.h"
35
#include "net/slirp.h"
36
#include "qemu-char.h"
37
#include "sysemu.h"
38
#include "monitor.h"
39
#include "readline.h"
40
#include "console.h"
41
#include "block.h"
42
#include "audio/audio.h"
43
#include "disas.h"
44
#include "balloon.h"
45
#include "qemu-timer.h"
46
#include "migration.h"
47
#include "kvm.h"
48
#include "acl.h"
49
#include "qint.h"
50
#include "qlist.h"
51
#include "qdict.h"
52
#include "qbool.h"
53
#include "qstring.h"
54
#include "qerror.h"
55
#include "qjson.h"
56
#include "json-streamer.h"
57
#include "json-parser.h"
58
#include "osdep.h"
59

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

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

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

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

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

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

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

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

    
130
Monitor *cur_mon = NULL;
131

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

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

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

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

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

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

    
177
    if (!mon)
178
        return;
179

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

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

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

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

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

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

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

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

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

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

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

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

    
271
    QDECREF(json);
272
}
273

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

    
278
    qmp = qdict_new();
279

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

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

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

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

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

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

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

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

    
335
    assert(event < QEVENT_MAX);
336

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
483
    return;
484

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

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

    
493
    qdict = qobject_to_qdict(data);
494

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

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

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

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

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

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

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

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

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

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

    
580
    cmd_list = qlist_new();
581

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
761
    cpu_list = qlist_new();
762

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

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

    
770
        cpu_synchronize_state(env);
771

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

    
777
        cpu = qobject_to_qdict(obj);
778

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

    
790
        qlist_append(cpu_list, cpu);
791
    }
792

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
922
}
923

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1387
    { 0xdd, "menu" },
1388

    
1389
    { 0x01, "esc" },
1390

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

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

    
1417
    { 0x1c, "ret" },
1418

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

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

    
1440
    { 0x37, "asterisk" },
1441

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

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

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

    
1476
    { 0x56, "<" },
1477

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

    
1481
    { 0xb7, "print" },
1482

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

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

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

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

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

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

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

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

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

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

    
1605
static int mouse_button_state;
1606

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

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

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

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

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

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

    
1668
    addr &= IOPORTS_MASK;
1669

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1839
#if defined(TARGET_SH4)
1840

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

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

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

    
1866
#endif
1867

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

    
1872
    qdict = qobject_to_qdict(data);
1873

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

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

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

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

    
1924
#ifdef CONFIG_PROFILER
1925

    
1926
int64_t qemu_time;
1927
int64_t dev_time;
1928

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2023
    qdict = qobject_to_qdict(data);
2024

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

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

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

    
2056
/**
2057
 * do_balloon(): Request VM to change its memory allocation
2058
 */
2059
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2060
{
2061
    int value = qdict_get_int(qdict, "value");
2062
    ram_addr_t target = value;
2063
    qemu_balloon(target << 20);
2064
}
2065

    
2066
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2067
{
2068
    QDict *qdict;
2069

    
2070
    qdict = qobject_to_qdict(data);
2071

    
2072
    monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2073
                        qdict_get_int(qdict, "balloon") >> 20);
2074
}
2075

    
2076
/**
2077
 * do_info_balloon(): Balloon information
2078
 *
2079
 * Return a QDict with the following information:
2080
 *
2081
 * - "balloon": current balloon value in bytes
2082
 *
2083
 * Example:
2084
 *
2085
 * { "balloon": 1073741824 }
2086
 */
2087
static void do_info_balloon(Monitor *mon, QObject **ret_data)
2088
{
2089
    ram_addr_t actual;
2090

    
2091
    actual = qemu_balloon_status();
2092
    if (kvm_enabled() && !kvm_has_sync_mmu())
2093
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2094
    else if (actual == 0)
2095
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2096
    else
2097
        *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2098
                                       (int64_t) actual);
2099
}
2100

    
2101
static qemu_acl *find_acl(Monitor *mon, const char *name)
2102
{
2103
    qemu_acl *acl = qemu_acl_find(name);
2104

    
2105
    if (!acl) {
2106
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2107
    }
2108
    return acl;
2109
}
2110

    
2111
static void do_acl_show(Monitor *mon, const QDict *qdict)
2112
{
2113
    const char *aclname = qdict_get_str(qdict, "aclname");
2114
    qemu_acl *acl = find_acl(mon, aclname);
2115
    qemu_acl_entry *entry;
2116
    int i = 0;
2117

    
2118
    if (acl) {
2119
        monitor_printf(mon, "policy: %s\n",
2120
                       acl->defaultDeny ? "deny" : "allow");
2121
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2122
            i++;
2123
            monitor_printf(mon, "%d: %s %s\n", i,
2124
                           entry->deny ? "deny" : "allow", entry->match);
2125
        }
2126
    }
2127
}
2128

    
2129
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2130
{
2131
    const char *aclname = qdict_get_str(qdict, "aclname");
2132
    qemu_acl *acl = find_acl(mon, aclname);
2133

    
2134
    if (acl) {
2135
        qemu_acl_reset(acl);
2136
        monitor_printf(mon, "acl: removed all rules\n");
2137
    }
2138
}
2139

    
2140
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2141
{
2142
    const char *aclname = qdict_get_str(qdict, "aclname");
2143
    const char *policy = qdict_get_str(qdict, "policy");
2144
    qemu_acl *acl = find_acl(mon, aclname);
2145

    
2146
    if (acl) {
2147
        if (strcmp(policy, "allow") == 0) {
2148
            acl->defaultDeny = 0;
2149
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2150
        } else if (strcmp(policy, "deny") == 0) {
2151
            acl->defaultDeny = 1;
2152
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2153
        } else {
2154
            monitor_printf(mon, "acl: unknown policy '%s', "
2155
                           "expected 'deny' or 'allow'\n", policy);
2156
        }
2157
    }
2158
}
2159

    
2160
static void do_acl_add(Monitor *mon, const QDict *qdict)
2161
{
2162
    const char *aclname = qdict_get_str(qdict, "aclname");
2163
    const char *match = qdict_get_str(qdict, "match");
2164
    const char *policy = qdict_get_str(qdict, "policy");
2165
    int has_index = qdict_haskey(qdict, "index");
2166
    int index = qdict_get_try_int(qdict, "index", -1);
2167
    qemu_acl *acl = find_acl(mon, aclname);
2168
    int deny, ret;
2169

    
2170
    if (acl) {
2171
        if (strcmp(policy, "allow") == 0) {
2172
            deny = 0;
2173
        } else if (strcmp(policy, "deny") == 0) {
2174
            deny = 1;
2175
        } else {
2176
            monitor_printf(mon, "acl: unknown policy '%s', "
2177
                           "expected 'deny' or 'allow'\n", policy);
2178
            return;
2179
        }
2180
        if (has_index)
2181
            ret = qemu_acl_insert(acl, deny, match, index);
2182
        else
2183
            ret = qemu_acl_append(acl, deny, match);
2184
        if (ret < 0)
2185
            monitor_printf(mon, "acl: unable to add acl entry\n");
2186
        else
2187
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2188
    }
2189
}
2190

    
2191
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2192
{
2193
    const char *aclname = qdict_get_str(qdict, "aclname");
2194
    const char *match = qdict_get_str(qdict, "match");
2195
    qemu_acl *acl = find_acl(mon, aclname);
2196
    int ret;
2197

    
2198
    if (acl) {
2199
        ret = qemu_acl_remove(acl, match);
2200
        if (ret < 0)
2201
            monitor_printf(mon, "acl: no matching acl entry\n");
2202
        else
2203
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2204
    }
2205
}
2206

    
2207
#if defined(TARGET_I386)
2208
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2209
{
2210
    CPUState *cenv;
2211
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2212
    int bank = qdict_get_int(qdict, "bank");
2213
    uint64_t status = qdict_get_int(qdict, "status");
2214
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2215
    uint64_t addr = qdict_get_int(qdict, "addr");
2216
    uint64_t misc = qdict_get_int(qdict, "misc");
2217

    
2218
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2219
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2220
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2221
            break;
2222
        }
2223
}
2224
#endif
2225

    
2226
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2227
{
2228
    const char *fdname = qdict_get_str(qdict, "fdname");
2229
    mon_fd_t *monfd;
2230
    int fd;
2231

    
2232
    fd = qemu_chr_get_msgfd(mon->chr);
2233
    if (fd == -1) {
2234
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2235
        return;
2236
    }
2237

    
2238
    if (qemu_isdigit(fdname[0])) {
2239
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2240
        return;
2241
    }
2242

    
2243
    fd = dup(fd);
2244
    if (fd == -1) {
2245
        if (errno == EMFILE)
2246
            qemu_error_new(QERR_TOO_MANY_FILES);
2247
        else
2248
            qemu_error_new(QERR_UNDEFINED_ERROR);
2249
        return;
2250
    }
2251

    
2252
    QLIST_FOREACH(monfd, &mon->fds, next) {
2253
        if (strcmp(monfd->name, fdname) != 0) {
2254
            continue;
2255
        }
2256

    
2257
        close(monfd->fd);
2258
        monfd->fd = fd;
2259
        return;
2260
    }
2261

    
2262
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2263
    monfd->name = qemu_strdup(fdname);
2264
    monfd->fd = fd;
2265

    
2266
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2267
}
2268

    
2269
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2270
{
2271
    const char *fdname = qdict_get_str(qdict, "fdname");
2272
    mon_fd_t *monfd;
2273

    
2274
    QLIST_FOREACH(monfd, &mon->fds, next) {
2275
        if (strcmp(monfd->name, fdname) != 0) {
2276
            continue;
2277
        }
2278

    
2279
        QLIST_REMOVE(monfd, next);
2280
        close(monfd->fd);
2281
        qemu_free(monfd->name);
2282
        qemu_free(monfd);
2283
        return;
2284
    }
2285

    
2286
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2287
}
2288

    
2289
static void do_loadvm(Monitor *mon, const QDict *qdict)
2290
{
2291
    int saved_vm_running  = vm_running;
2292
    const char *name = qdict_get_str(qdict, "name");
2293

    
2294
    vm_stop(0);
2295

    
2296
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2297
        vm_start();
2298
}
2299

    
2300
int monitor_get_fd(Monitor *mon, const char *fdname)
2301
{
2302
    mon_fd_t *monfd;
2303

    
2304
    QLIST_FOREACH(monfd, &mon->fds, next) {
2305
        int fd;
2306

    
2307
        if (strcmp(monfd->name, fdname) != 0) {
2308
            continue;
2309
        }
2310

    
2311
        fd = monfd->fd;
2312

    
2313
        /* caller takes ownership of fd */
2314
        QLIST_REMOVE(monfd, next);
2315
        qemu_free(monfd->name);
2316
        qemu_free(monfd);
2317

    
2318
        return fd;
2319
    }
2320

    
2321
    return -1;
2322
}
2323

    
2324
static const mon_cmd_t mon_cmds[] = {
2325
#include "qemu-monitor.h"
2326
    { NULL, NULL, },
2327
};
2328

    
2329
/* Please update qemu-monitor.hx when adding or changing commands */
2330
static const mon_cmd_t info_cmds[] = {
2331
    {
2332
        .name       = "version",
2333
        .args_type  = "",
2334
        .params     = "",
2335
        .help       = "show the version of QEMU",
2336
        .user_print = do_info_version_print,
2337
        .mhandler.info_new = do_info_version,
2338
    },
2339
    {
2340
        .name       = "commands",
2341
        .args_type  = "",
2342
        .params     = "",
2343
        .help       = "list QMP available commands",
2344
        .user_print = monitor_user_noop,
2345
        .mhandler.info_new = do_info_commands,
2346
    },
2347
    {
2348
        .name       = "network",
2349
        .args_type  = "",
2350
        .params     = "",
2351
        .help       = "show the network state",
2352
        .mhandler.info = do_info_network,
2353
    },
2354
    {
2355
        .name       = "chardev",
2356
        .args_type  = "",
2357
        .params     = "",
2358
        .help       = "show the character devices",
2359
        .mhandler.info = qemu_chr_info,
2360
    },
2361
    {
2362
        .name       = "block",
2363
        .args_type  = "",
2364
        .params     = "",
2365
        .help       = "show the block devices",
2366
        .user_print = bdrv_info_print,
2367
        .mhandler.info_new = bdrv_info,
2368
    },
2369
    {
2370
        .name       = "blockstats",
2371
        .args_type  = "",
2372
        .params     = "",
2373
        .help       = "show block device statistics",
2374
        .mhandler.info = bdrv_info_stats,
2375
    },
2376
    {
2377
        .name       = "registers",
2378
        .args_type  = "",
2379
        .params     = "",
2380
        .help       = "show the cpu registers",
2381
        .mhandler.info = do_info_registers,
2382
    },
2383
    {
2384
        .name       = "cpus",
2385
        .args_type  = "",
2386
        .params     = "",
2387
        .help       = "show infos for each CPU",
2388
        .user_print = monitor_print_cpus,
2389
        .mhandler.info_new = do_info_cpus,
2390
    },
2391
    {
2392
        .name       = "history",
2393
        .args_type  = "",
2394
        .params     = "",
2395
        .help       = "show the command line history",
2396
        .mhandler.info = do_info_history,
2397
    },
2398
    {
2399
        .name       = "irq",
2400
        .args_type  = "",
2401
        .params     = "",
2402
        .help       = "show the interrupts statistics (if available)",
2403
        .mhandler.info = irq_info,
2404
    },
2405
    {
2406
        .name       = "pic",
2407
        .args_type  = "",
2408
        .params     = "",
2409
        .help       = "show i8259 (PIC) state",
2410
        .mhandler.info = pic_info,
2411
    },
2412
    {
2413
        .name       = "pci",
2414
        .args_type  = "",
2415
        .params     = "",
2416
        .help       = "show PCI info",
2417
        .mhandler.info = pci_info,
2418
    },
2419
#if defined(TARGET_I386) || defined(TARGET_SH4)
2420
    {
2421
        .name       = "tlb",
2422
        .args_type  = "",
2423
        .params     = "",
2424
        .help       = "show virtual to physical memory mappings",
2425
        .mhandler.info = tlb_info,
2426
    },
2427
#endif
2428
#if defined(TARGET_I386)
2429
    {
2430
        .name       = "mem",
2431
        .args_type  = "",
2432
        .params     = "",
2433
        .help       = "show the active virtual memory mappings",
2434
        .mhandler.info = mem_info,
2435
    },
2436
    {
2437
        .name       = "hpet",
2438
        .args_type  = "",
2439
        .params     = "",
2440
        .help       = "show state of HPET",
2441
        .user_print = do_info_hpet_print,
2442
        .mhandler.info_new = do_info_hpet,
2443
    },
2444
#endif
2445
    {
2446
        .name       = "jit",
2447
        .args_type  = "",
2448
        .params     = "",
2449
        .help       = "show dynamic compiler info",
2450
        .mhandler.info = do_info_jit,
2451
    },
2452
    {
2453
        .name       = "kvm",
2454
        .args_type  = "",
2455
        .params     = "",
2456
        .help       = "show KVM information",
2457
        .user_print = do_info_kvm_print,
2458
        .mhandler.info_new = do_info_kvm,
2459
    },
2460
    {
2461
        .name       = "numa",
2462
        .args_type  = "",
2463
        .params     = "",
2464
        .help       = "show NUMA information",
2465
        .mhandler.info = do_info_numa,
2466
    },
2467
    {
2468
        .name       = "usb",
2469
        .args_type  = "",
2470
        .params     = "",
2471
        .help       = "show guest USB devices",
2472
        .mhandler.info = usb_info,
2473
    },
2474
    {
2475
        .name       = "usbhost",
2476
        .args_type  = "",
2477
        .params     = "",
2478
        .help       = "show host USB devices",
2479
        .mhandler.info = usb_host_info,
2480
    },
2481
    {
2482
        .name       = "profile",
2483
        .args_type  = "",
2484
        .params     = "",
2485
        .help       = "show profiling information",
2486
        .mhandler.info = do_info_profile,
2487
    },
2488
    {
2489
        .name       = "capture",
2490
        .args_type  = "",
2491
        .params     = "",
2492
        .help       = "show capture information",
2493
        .mhandler.info = do_info_capture,
2494
    },
2495
    {
2496
        .name       = "snapshots",
2497
        .args_type  = "",
2498
        .params     = "",
2499
        .help       = "show the currently saved VM snapshots",
2500
        .mhandler.info = do_info_snapshots,
2501
    },
2502
    {
2503
        .name       = "status",
2504
        .args_type  = "",
2505
        .params     = "",
2506
        .help       = "show the current VM status (running|paused)",
2507
        .user_print = do_info_status_print,
2508
        .mhandler.info_new = do_info_status,
2509
    },
2510
    {
2511
        .name       = "pcmcia",
2512
        .args_type  = "",
2513
        .params     = "",
2514
        .help       = "show guest PCMCIA status",
2515
        .mhandler.info = pcmcia_info,
2516
    },
2517
    {
2518
        .name       = "mice",
2519
        .args_type  = "",
2520
        .params     = "",
2521
        .help       = "show which guest mouse is receiving events",
2522
        .user_print = do_info_mice_print,
2523
        .mhandler.info_new = do_info_mice,
2524
    },
2525
    {
2526
        .name       = "vnc",
2527
        .args_type  = "",
2528
        .params     = "",
2529
        .help       = "show the vnc server status",
2530
        .mhandler.info = do_info_vnc,
2531
    },
2532
    {
2533
        .name       = "name",
2534
        .args_type  = "",
2535
        .params     = "",
2536
        .help       = "show the current VM name",
2537
        .user_print = do_info_name_print,
2538
        .mhandler.info_new = do_info_name,
2539
    },
2540
    {
2541
        .name       = "uuid",
2542
        .args_type  = "",
2543
        .params     = "",
2544
        .help       = "show the current VM UUID",
2545
        .user_print = do_info_uuid_print,
2546
        .mhandler.info_new = do_info_uuid,
2547
    },
2548
#if defined(TARGET_PPC)
2549
    {
2550
        .name       = "cpustats",
2551
        .args_type  = "",
2552
        .params     = "",
2553
        .help       = "show CPU statistics",
2554
        .mhandler.info = do_info_cpu_stats,
2555
    },
2556
#endif
2557
#if defined(CONFIG_SLIRP)
2558
    {
2559
        .name       = "usernet",
2560
        .args_type  = "",
2561
        .params     = "",
2562
        .help       = "show user network stack connection states",
2563
        .mhandler.info = do_info_usernet,
2564
    },
2565
#endif
2566
    {
2567
        .name       = "migrate",
2568
        .args_type  = "",
2569
        .params     = "",
2570
        .help       = "show migration status",
2571
        .user_print = do_info_migrate_print,
2572
        .mhandler.info_new = do_info_migrate,
2573
    },
2574
    {
2575
        .name       = "balloon",
2576
        .args_type  = "",
2577
        .params     = "",
2578
        .help       = "show balloon information",
2579
        .user_print = monitor_print_balloon,
2580
        .mhandler.info_new = do_info_balloon,
2581
    },
2582
    {
2583
        .name       = "qtree",
2584
        .args_type  = "",
2585
        .params     = "",
2586
        .help       = "show device tree",
2587
        .mhandler.info = do_info_qtree,
2588
    },
2589
    {
2590
        .name       = "qdm",
2591
        .args_type  = "",
2592
        .params     = "",
2593
        .help       = "show qdev device model list",
2594
        .mhandler.info = do_info_qdm,
2595
    },
2596
    {
2597
        .name       = "roms",
2598
        .args_type  = "",
2599
        .params     = "",
2600
        .help       = "show roms",
2601
        .mhandler.info = do_info_roms,
2602
    },
2603
    {
2604
        .name       = NULL,
2605
    },
2606
};
2607

    
2608
/*******************************************************************/
2609

    
2610
static const char *pch;
2611
static jmp_buf expr_env;
2612

    
2613
#define MD_TLONG 0
2614
#define MD_I32   1
2615

    
2616
typedef struct MonitorDef {
2617
    const char *name;
2618
    int offset;
2619
    target_long (*get_value)(const struct MonitorDef *md, int val);
2620
    int type;
2621
} MonitorDef;
2622

    
2623
#if defined(TARGET_I386)
2624
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2625
{
2626
    CPUState *env = mon_get_cpu();
2627
    if (!env)
2628
        return 0;
2629
    return env->eip + env->segs[R_CS].base;
2630
}
2631
#endif
2632

    
2633
#if defined(TARGET_PPC)
2634
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2635
{
2636
    CPUState *env = mon_get_cpu();
2637
    unsigned int u;
2638
    int i;
2639

    
2640
    if (!env)
2641
        return 0;
2642

    
2643
    u = 0;
2644
    for (i = 0; i < 8; i++)
2645
        u |= env->crf[i] << (32 - (4 * i));
2646

    
2647
    return u;
2648
}
2649

    
2650
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2651
{
2652
    CPUState *env = mon_get_cpu();
2653
    if (!env)
2654
        return 0;
2655
    return env->msr;
2656
}
2657

    
2658
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2659
{
2660
    CPUState *env = mon_get_cpu();
2661
    if (!env)
2662
        return 0;
2663
    return env->xer;
2664
}
2665

    
2666
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2667
{
2668
    CPUState *env = mon_get_cpu();
2669
    if (!env)
2670
        return 0;
2671
    return cpu_ppc_load_decr(env);
2672
}
2673

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

    
2682
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2683
{
2684
    CPUState *env = mon_get_cpu();
2685
    if (!env)
2686
        return 0;
2687
    return cpu_ppc_load_tbl(env);
2688
}
2689
#endif
2690

    
2691
#if defined(TARGET_SPARC)
2692
#ifndef TARGET_SPARC64
2693
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2694
{
2695
    CPUState *env = mon_get_cpu();
2696
    if (!env)
2697
        return 0;
2698
    return GET_PSR(env);
2699
}
2700
#endif
2701

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

    
2711
static const MonitorDef monitor_defs[] = {
2712
#ifdef TARGET_I386
2713

    
2714
#define SEG(name, seg) \
2715
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2716
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2717
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2718

    
2719
    { "eax", offsetof(CPUState, regs[0]) },
2720
    { "ecx", offsetof(CPUState, regs[1]) },
2721
    { "edx", offsetof(CPUState, regs[2]) },
2722
    { "ebx", offsetof(CPUState, regs[3]) },
2723
    { "esp|sp", offsetof(CPUState, regs[4]) },
2724
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2725
    { "esi", offsetof(CPUState, regs[6]) },
2726
    { "edi", offsetof(CPUState, regs[7]) },
2727
#ifdef TARGET_X86_64
2728
    { "r8", offsetof(CPUState, regs[8]) },
2729
    { "r9", offsetof(CPUState, regs[9]) },
2730
    { "r10", offsetof(CPUState, regs[10]) },
2731
    { "r11", offsetof(CPUState, regs[11]) },
2732
    { "r12", offsetof(CPUState, regs[12]) },
2733
    { "r13", offsetof(CPUState, regs[13]) },
2734
    { "r14", offsetof(CPUState, regs[14]) },
2735
    { "r15", offsetof(CPUState, regs[15]) },
2736
#endif
2737
    { "eflags", offsetof(CPUState, eflags) },
2738
    { "eip", offsetof(CPUState, eip) },
2739
    SEG("cs", R_CS)
2740
    SEG("ds", R_DS)
2741
    SEG("es", R_ES)
2742
    SEG("ss", R_SS)
2743
    SEG("fs", R_FS)
2744
    SEG("gs", R_GS)
2745
    { "pc", 0, monitor_get_pc, },
2746
#elif defined(TARGET_PPC)
2747
    /* General purpose registers */
2748
    { "r0", offsetof(CPUState, gpr[0]) },
2749
    { "r1", offsetof(CPUState, gpr[1]) },
2750
    { "r2", offsetof(CPUState, gpr[2]) },
2751
    { "r3", offsetof(CPUState, gpr[3]) },
2752
    { "r4", offsetof(CPUState, gpr[4]) },
2753
    { "r5", offsetof(CPUState, gpr[5]) },
2754
    { "r6", offsetof(CPUState, gpr[6]) },
2755
    { "r7", offsetof(CPUState, gpr[7]) },
2756
    { "r8", offsetof(CPUState, gpr[8]) },
2757
    { "r9", offsetof(CPUState, gpr[9]) },
2758
    { "r10", offsetof(CPUState, gpr[10]) },
2759
    { "r11", offsetof(CPUState, gpr[11]) },
2760
    { "r12", offsetof(CPUState, gpr[12]) },
2761
    { "r13", offsetof(CPUState, gpr[13]) },
2762
    { "r14", offsetof(CPUState, gpr[14]) },
2763
    { "r15", offsetof(CPUState, gpr[15]) },
2764
    { "r16", offsetof(CPUState, gpr[16]) },
2765
    { "r17", offsetof(CPUState, gpr[17]) },
2766
    { "r18", offsetof(CPUState, gpr[18]) },
2767
    { "r19", offsetof(CPUState, gpr[19]) },
2768
    { "r20", offsetof(CPUState, gpr[20]) },
2769
    { "r21", offsetof(CPUState, gpr[21]) },
2770
    { "r22", offsetof(CPUState, gpr[22]) },
2771
    { "r23", offsetof(CPUState, gpr[23]) },
2772
    { "r24", offsetof(CPUState, gpr[24]) },
2773
    { "r25", offsetof(CPUState, gpr[25]) },
2774
    { "r26", offsetof(CPUState, gpr[26]) },
2775
    { "r27", offsetof(CPUState, gpr[27]) },
2776
    { "r28", offsetof(CPUState, gpr[28]) },
2777
    { "r29", offsetof(CPUState, gpr[29]) },
2778
    { "r30", offsetof(CPUState, gpr[30]) },
2779
    { "r31", offsetof(CPUState, gpr[31]) },
2780
    /* Floating point registers */
2781
    { "f0", offsetof(CPUState, fpr[0]) },
2782
    { "f1", offsetof(CPUState, fpr[1]) },
2783
    { "f2", offsetof(CPUState, fpr[2]) },
2784
    { "f3", offsetof(CPUState, fpr[3]) },
2785
    { "f4", offsetof(CPUState, fpr[4]) },
2786
    { "f5", offsetof(CPUState, fpr[5]) },
2787
    { "f6", offsetof(CPUState, fpr[6]) },
2788
    { "f7", offsetof(CPUState, fpr[7]) },
2789
    { "f8", offsetof(CPUState, fpr[8]) },
2790
    { "f9", offsetof(CPUState, fpr[9]) },
2791
    { "f10", offsetof(CPUState, fpr[10]) },
2792
    { "f11", offsetof(CPUState, fpr[11]) },
2793
    { "f12", offsetof(CPUState, fpr[12]) },
2794
    { "f13", offsetof(CPUState, fpr[13]) },
2795
    { "f14", offsetof(CPUState, fpr[14]) },
2796
    { "f15", offsetof(CPUState, fpr[15]) },
2797
    { "f16", offsetof(CPUState, fpr[16]) },
2798
    { "f17", offsetof(CPUState, fpr[17]) },
2799
    { "f18", offsetof(CPUState, fpr[18]) },
2800
    { "f19", offsetof(CPUState, fpr[19]) },
2801
    { "f20", offsetof(CPUState, fpr[20]) },
2802
    { "f21", offsetof(CPUState, fpr[21]) },
2803
    { "f22", offsetof(CPUState, fpr[22]) },
2804
    { "f23", offsetof(CPUState, fpr[23]) },
2805
    { "f24", offsetof(CPUState, fpr[24]) },
2806
    { "f25", offsetof(CPUState, fpr[25]) },
2807
    { "f26", offsetof(CPUState, fpr[26]) },
2808
    { "f27", offsetof(CPUState, fpr[27]) },
2809
    { "f28", offsetof(CPUState, fpr[28]) },
2810
    { "f29", offsetof(CPUState, fpr[29]) },
2811
    { "f30", offsetof(CPUState, fpr[30]) },
2812
    { "f31", offsetof(CPUState, fpr[31]) },
2813
    { "fpscr", offsetof(CPUState, fpscr) },
2814
    /* Next instruction pointer */
2815
    { "nip|pc", offsetof(CPUState, nip) },
2816
    { "lr", offsetof(CPUState, lr) },
2817
    { "ctr", offsetof(CPUState, ctr) },
2818
    { "decr", 0, &monitor_get_decr, },
2819
    { "ccr", 0, &monitor_get_ccr, },
2820
    /* Machine state register */
2821
    { "msr", 0, &monitor_get_msr, },
2822
    { "xer", 0, &monitor_get_xer, },
2823
    { "tbu", 0, &monitor_get_tbu, },
2824
    { "tbl", 0, &monitor_get_tbl, },
2825
#if defined(TARGET_PPC64)
2826
    /* Address space register */
2827
    { "asr", offsetof(CPUState, asr) },
2828
#endif
2829
    /* Segment registers */
2830
    { "sdr1", offsetof(CPUState, sdr1) },
2831
    { "sr0", offsetof(CPUState, sr[0]) },
2832
    { "sr1", offsetof(CPUState, sr[1]) },
2833
    { "sr2", offsetof(CPUState, sr[2]) },
2834
    { "sr3", offsetof(CPUState, sr[3]) },
2835
    { "sr4", offsetof(CPUState, sr[4]) },
2836
    { "sr5", offsetof(CPUState, sr[5]) },
2837
    { "sr6", offsetof(CPUState, sr[6]) },
2838
    { "sr7", offsetof(CPUState, sr[7]) },
2839
    { "sr8", offsetof(CPUState, sr[8]) },
2840
    { "sr9", offsetof(CPUState, sr[9]) },
2841
    { "sr10", offsetof(CPUState, sr[10]) },
2842
    { "sr11", offsetof(CPUState, sr[11]) },
2843
    { "sr12", offsetof(CPUState, sr[12]) },
2844
    { "sr13", offsetof(CPUState, sr[13]) },
2845
    { "sr14", offsetof(CPUState, sr[14]) },
2846
    { "sr15", offsetof(CPUState, sr[15]) },
2847
    /* Too lazy to put BATs and SPRs ... */
2848
#elif defined(TARGET_SPARC)
2849
    { "g0", offsetof(CPUState, gregs[0]) },
2850
    { "g1", offsetof(CPUState, gregs[1]) },
2851
    { "g2", offsetof(CPUState, gregs[2]) },
2852
    { "g3", offsetof(CPUState, gregs[3]) },
2853
    { "g4", offsetof(CPUState, gregs[4]) },
2854
    { "g5", offsetof(CPUState, gregs[5]) },
2855
    { "g6", offsetof(CPUState, gregs[6]) },
2856
    { "g7", offsetof(CPUState, gregs[7]) },
2857
    { "o0", 0, monitor_get_reg },
2858
    { "o1", 1, monitor_get_reg },
2859
    { "o2", 2, monitor_get_reg },
2860
    { "o3", 3, monitor_get_reg },
2861
    { "o4", 4, monitor_get_reg },
2862
    { "o5", 5, monitor_get_reg },
2863
    { "o6", 6, monitor_get_reg },
2864
    { "o7", 7, monitor_get_reg },
2865
    { "l0", 8, monitor_get_reg },
2866
    { "l1", 9, monitor_get_reg },
2867
    { "l2", 10, monitor_get_reg },
2868
    { "l3", 11, monitor_get_reg },
2869
    { "l4", 12, monitor_get_reg },
2870
    { "l5", 13, monitor_get_reg },
2871
    { "l6", 14, monitor_get_reg },
2872
    { "l7", 15, monitor_get_reg },
2873
    { "i0", 16, monitor_get_reg },
2874
    { "i1", 17, monitor_get_reg },
2875
    { "i2", 18, monitor_get_reg },
2876
    { "i3", 19, monitor_get_reg },
2877
    { "i4", 20, monitor_get_reg },
2878
    { "i5", 21, monitor_get_reg },
2879
    { "i6", 22, monitor_get_reg },
2880
    { "i7", 23, monitor_get_reg },
2881
    { "pc", offsetof(CPUState, pc) },
2882
    { "npc", offsetof(CPUState, npc) },
2883
    { "y", offsetof(CPUState, y) },
2884
#ifndef TARGET_SPARC64
2885
    { "psr", 0, &monitor_get_psr, },
2886
    { "wim", offsetof(CPUState, wim) },
2887
#endif
2888
    { "tbr", offsetof(CPUState, tbr) },
2889
    { "fsr", offsetof(CPUState, fsr) },
2890
    { "f0", offsetof(CPUState, fpr[0]) },
2891
    { "f1", offsetof(CPUState, fpr[1]) },
2892
    { "f2", offsetof(CPUState, fpr[2]) },
2893
    { "f3", offsetof(CPUState, fpr[3]) },
2894
    { "f4", offsetof(CPUState, fpr[4]) },
2895
    { "f5", offsetof(CPUState, fpr[5]) },
2896
    { "f6", offsetof(CPUState, fpr[6]) },
2897
    { "f7", offsetof(CPUState, fpr[7]) },
2898
    { "f8", offsetof(CPUState, fpr[8]) },
2899
    { "f9", offsetof(CPUState, fpr[9]) },
2900
    { "f10", offsetof(CPUState, fpr[10]) },
2901
    { "f11", offsetof(CPUState, fpr[11]) },
2902
    { "f12", offsetof(CPUState, fpr[12]) },
2903
    { "f13", offsetof(CPUState, fpr[13]) },
2904
    { "f14", offsetof(CPUState, fpr[14]) },
2905
    { "f15", offsetof(CPUState, fpr[15]) },
2906
    { "f16", offsetof(CPUState, fpr[16]) },
2907
    { "f17", offsetof(CPUState, fpr[17]) },
2908
    { "f18", offsetof(CPUState, fpr[18]) },
2909
    { "f19", offsetof(CPUState, fpr[19]) },
2910
    { "f20", offsetof(CPUState, fpr[20]) },
2911
    { "f21", offsetof(CPUState, fpr[21]) },
2912
    { "f22", offsetof(CPUState, fpr[22]) },
2913
    { "f23", offsetof(CPUState, fpr[23]) },
2914
    { "f24", offsetof(CPUState, fpr[24]) },
2915
    { "f25", offsetof(CPUState, fpr[25]) },
2916
    { "f26", offsetof(CPUState, fpr[26]) },
2917
    { "f27", offsetof(CPUState, fpr[27]) },
2918
    { "f28", offsetof(CPUState, fpr[28]) },
2919
    { "f29", offsetof(CPUState, fpr[29]) },
2920
    { "f30", offsetof(CPUState, fpr[30]) },
2921
    { "f31", offsetof(CPUState, fpr[31]) },
2922
#ifdef TARGET_SPARC64
2923
    { "f32", offsetof(CPUState, fpr[32]) },
2924
    { "f34", offsetof(CPUState, fpr[34]) },
2925
    { "f36", offsetof(CPUState, fpr[36]) },
2926
    { "f38", offsetof(CPUState, fpr[38]) },
2927
    { "f40", offsetof(CPUState, fpr[40]) },
2928
    { "f42", offsetof(CPUState, fpr[42]) },
2929
    { "f44", offsetof(CPUState, fpr[44]) },
2930
    { "f46", offsetof(CPUState, fpr[46]) },
2931
    { "f48", offsetof(CPUState, fpr[48]) },
2932
    { "f50", offsetof(CPUState, fpr[50]) },
2933
    { "f52", offsetof(CPUState, fpr[52]) },
2934
    { "f54", offsetof(CPUState, fpr[54]) },
2935
    { "f56", offsetof(CPUState, fpr[56]) },
2936
    { "f58", offsetof(CPUState, fpr[58]) },
2937
    { "f60", offsetof(CPUState, fpr[60]) },
2938
    { "f62", offsetof(CPUState, fpr[62]) },
2939
    { "asi", offsetof(CPUState, asi) },
2940
    { "pstate", offsetof(CPUState, pstate) },
2941
    { "cansave", offsetof(CPUState, cansave) },
2942
    { "canrestore", offsetof(CPUState, canrestore) },
2943
    { "otherwin", offsetof(CPUState, otherwin) },
2944
    { "wstate", offsetof(CPUState, wstate) },
2945
    { "cleanwin", offsetof(CPUState, cleanwin) },
2946
    { "fprs", offsetof(CPUState, fprs) },
2947
#endif
2948
#endif
2949
    { NULL },
2950
};
2951

    
2952
static void expr_error(Monitor *mon, const char *msg)
2953
{
2954
    monitor_printf(mon, "%s\n", msg);
2955
    longjmp(expr_env, 1);
2956
}
2957

    
2958
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2959
static int get_monitor_def(target_long *pval, const char *name)
2960
{
2961
    const MonitorDef *md;
2962
    void *ptr;
2963

    
2964
    for(md = monitor_defs; md->name != NULL; md++) {
2965
        if (compare_cmd(name, md->name)) {
2966
            if (md->get_value) {
2967
                *pval = md->get_value(md, md->offset);
2968
            } else {
2969
                CPUState *env = mon_get_cpu();
2970
                if (!env)
2971
                    return -2;
2972
                ptr = (uint8_t *)env + md->offset;
2973
                switch(md->type) {
2974
                case MD_I32:
2975
                    *pval = *(int32_t *)ptr;
2976
                    break;
2977
                case MD_TLONG:
2978
                    *pval = *(target_long *)ptr;
2979
                    break;
2980
                default:
2981
                    *pval = 0;
2982
                    break;
2983
                }
2984
            }
2985
            return 0;
2986
        }
2987
    }
2988
    return -1;
2989
}
2990

    
2991
static void next(void)
2992
{
2993
    if (*pch != '\0') {
2994
        pch++;
2995
        while (qemu_isspace(*pch))
2996
            pch++;
2997
    }
2998
}
2999

    
3000
static int64_t expr_sum(Monitor *mon);
3001

    
3002
static int64_t expr_unary(Monitor *mon)
3003
{
3004
    int64_t n;
3005
    char *p;
3006
    int ret;
3007

    
3008
    switch(*pch) {
3009
    case '+':
3010
        next();
3011
        n = expr_unary(mon);
3012
        break;
3013
    case '-':
3014
        next();
3015
        n = -expr_unary(mon);
3016
        break;
3017
    case '~':
3018
        next();
3019
        n = ~expr_unary(mon);
3020
        break;
3021
    case '(':
3022
        next();
3023
        n = expr_sum(mon);
3024
        if (*pch != ')') {
3025
            expr_error(mon, "')' expected");
3026
        }
3027
        next();
3028
        break;
3029
    case '\'':
3030
        pch++;
3031
        if (*pch == '\0')
3032
            expr_error(mon, "character constant expected");
3033
        n = *pch;
3034
        pch++;
3035
        if (*pch != '\'')
3036
            expr_error(mon, "missing terminating \' character");
3037
        next();
3038
        break;
3039
    case '$':
3040
        {
3041
            char buf[128], *q;
3042
            target_long reg=0;
3043

    
3044
            pch++;
3045
            q = buf;
3046
            while ((*pch >= 'a' && *pch <= 'z') ||
3047
                   (*pch >= 'A' && *pch <= 'Z') ||
3048
                   (*pch >= '0' && *pch <= '9') ||
3049
                   *pch == '_' || *pch == '.') {
3050
                if ((q - buf) < sizeof(buf) - 1)
3051
                    *q++ = *pch;
3052
                pch++;
3053
            }
3054
            while (qemu_isspace(*pch))
3055
                pch++;
3056
            *q = 0;
3057
            ret = get_monitor_def(&reg, buf);
3058
            if (ret == -1)
3059
                expr_error(mon, "unknown register");
3060
            else if (ret == -2)
3061
                expr_error(mon, "no cpu defined");
3062
            n = reg;
3063
        }
3064
        break;
3065
    case '\0':
3066
        expr_error(mon, "unexpected end of expression");
3067
        n = 0;
3068
        break;
3069
    default:
3070
#if TARGET_PHYS_ADDR_BITS > 32
3071
        n = strtoull(pch, &p, 0);
3072
#else
3073
        n = strtoul(pch, &p, 0);
3074
#endif
3075
        if (pch == p) {
3076
            expr_error(mon, "invalid char in expression");
3077
        }
3078
        pch = p;
3079
        while (qemu_isspace(*pch))
3080
            pch++;
3081
        break;
3082
    }
3083
    return n;
3084
}
3085

    
3086

    
3087
static int64_t expr_prod(Monitor *mon)
3088
{
3089
    int64_t val, val2;
3090
    int op;
3091

    
3092
    val = expr_unary(mon);
3093
    for(;;) {
3094
        op = *pch;
3095
        if (op != '*' && op != '/' && op != '%')
3096
            break;
3097
        next();
3098
        val2 = expr_unary(mon);
3099
        switch(op) {
3100
        default:
3101
        case '*':
3102
            val *= val2;
3103
            break;
3104
        case '/':
3105
        case '%':
3106
            if (val2 == 0)
3107
                expr_error(mon, "division by zero");
3108
            if (op == '/')
3109
                val /= val2;
3110
            else
3111
                val %= val2;
3112
            break;
3113
        }
3114
    }
3115
    return val;
3116
}
3117

    
3118
static int64_t expr_logic(Monitor *mon)
3119
{
3120
    int64_t val, val2;
3121
    int op;
3122

    
3123
    val = expr_prod(mon);
3124
    for(;;) {
3125
        op = *pch;
3126
        if (op != '&' && op != '|' && op != '^')
3127
            break;
3128
        next();
3129
        val2 = expr_prod(mon);
3130
        switch(op) {
3131
        default:
3132
        case '&':
3133
            val &= val2;
3134
            break;
3135
        case '|':
3136
            val |= val2;
3137
            break;
3138
        case '^':
3139
            val ^= val2;
3140
            break;
3141
        }
3142
    }
3143
    return val;
3144
}
3145

    
3146
static int64_t expr_sum(Monitor *mon)
3147
{
3148
    int64_t val, val2;
3149
    int op;
3150

    
3151
    val = expr_logic(mon);
3152
    for(;;) {
3153
        op = *pch;
3154
        if (op != '+' && op != '-')
3155
            break;
3156
        next();
3157
        val2 = expr_logic(mon);
3158
        if (op == '+')
3159
            val += val2;
3160
        else
3161
            val -= val2;
3162
    }
3163
    return val;
3164
}
3165

    
3166
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3167
{
3168
    pch = *pp;
3169
    if (setjmp(expr_env)) {
3170
        *pp = pch;
3171
        return -1;
3172
    }
3173
    while (qemu_isspace(*pch))
3174
        pch++;
3175
    *pval = expr_sum(mon);
3176
    *pp = pch;
3177
    return 0;
3178
}
3179

    
3180
static int get_str(char *buf, int buf_size, const char **pp)
3181
{
3182
    const char *p;
3183
    char *q;
3184
    int c;
3185

    
3186
    q = buf;
3187
    p = *pp;
3188
    while (qemu_isspace(*p))
3189
        p++;
3190
    if (*p == '\0') {
3191
    fail:
3192
        *q = '\0';
3193
        *pp = p;
3194
        return -1;
3195
    }
3196
    if (*p == '\"') {
3197
        p++;
3198
        while (*p != '\0' && *p != '\"') {
3199
            if (*p == '\\') {
3200
                p++;
3201
                c = *p++;
3202
                switch(c) {
3203
                case 'n':
3204
                    c = '\n';
3205
                    break;
3206
                case 'r':
3207
                    c = '\r';
3208
                    break;
3209
                case '\\':
3210
                case '\'':
3211
                case '\"':
3212
                    break;
3213
                default:
3214
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3215
                    goto fail;
3216
                }
3217
                if ((q - buf) < buf_size - 1) {
3218
                    *q++ = c;
3219
                }
3220
            } else {
3221
                if ((q - buf) < buf_size - 1) {
3222
                    *q++ = *p;
3223
                }
3224
                p++;
3225
            }
3226
        }
3227
        if (*p != '\"') {
3228
            qemu_printf("unterminated string\n");
3229
            goto fail;
3230
        }
3231
        p++;
3232
    } else {
3233
        while (*p != '\0' && !qemu_isspace(*p)) {
3234
            if ((q - buf) < buf_size - 1) {
3235
                *q++ = *p;
3236
            }
3237
            p++;
3238
        }
3239
    }
3240
    *q = '\0';
3241
    *pp = p;
3242
    return 0;
3243
}
3244

    
3245
/*
3246
 * Store the command-name in cmdname, and return a pointer to
3247
 * the remaining of the command string.
3248
 */
3249
static const char *get_command_name(const char *cmdline,
3250
                                    char *cmdname, size_t nlen)
3251
{
3252
    size_t len;
3253
    const char *p, *pstart;
3254

    
3255
    p = cmdline;
3256
    while (qemu_isspace(*p))
3257
        p++;
3258
    if (*p == '\0')
3259
        return NULL;
3260
    pstart = p;
3261
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3262
        p++;
3263
    len = p - pstart;
3264
    if (len > nlen - 1)
3265
        len = nlen - 1;
3266
    memcpy(cmdname, pstart, len);
3267
    cmdname[len] = '\0';
3268
    return p;
3269
}
3270

    
3271
/**
3272
 * Read key of 'type' into 'key' and return the current
3273
 * 'type' pointer.
3274
 */
3275
static char *key_get_info(const char *type, char **key)
3276
{
3277
    size_t len;
3278
    char *p, *str;
3279

    
3280
    if (*type == ',')
3281
        type++;
3282

    
3283
    p = strchr(type, ':');
3284
    if (!p) {
3285
        *key = NULL;
3286
        return NULL;
3287
    }
3288
    len = p - type;
3289

    
3290
    str = qemu_malloc(len + 1);
3291
    memcpy(str, type, len);
3292
    str[len] = '\0';
3293

    
3294
    *key = str;
3295
    return ++p;
3296
}
3297

    
3298
static int default_fmt_format = 'x';
3299
static int default_fmt_size = 4;
3300

    
3301
#define MAX_ARGS 16
3302

    
3303
static int is_valid_option(const char *c, const char *typestr)
3304
{
3305
    char option[3];
3306
  
3307
    option[0] = '-';
3308
    option[1] = *c;
3309
    option[2] = '\0';
3310
  
3311
    typestr = strstr(typestr, option);
3312
    return (typestr != NULL);
3313
}
3314

    
3315
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3316
{
3317
    const mon_cmd_t *cmd;
3318

    
3319
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3320
        if (compare_cmd(cmdname, cmd->name)) {
3321
            return cmd;
3322
        }
3323
    }
3324

    
3325
    return NULL;
3326
}
3327

    
3328
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3329
                                              const char *cmdline,
3330
                                              QDict *qdict)
3331
{
3332
    const char *p, *typestr;
3333
    int c;
3334
    const mon_cmd_t *cmd;
3335
    char cmdname[256];
3336
    char buf[1024];
3337
    char *key;
3338

    
3339
#ifdef DEBUG
3340
    monitor_printf(mon, "command='%s'\n", cmdline);
3341
#endif
3342

    
3343
    /* extract the command name */
3344
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3345
    if (!p)
3346
        return NULL;
3347

    
3348
    cmd = monitor_find_command(cmdname);
3349
    if (!cmd) {
3350
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3351
        return NULL;
3352
    }
3353

    
3354
    /* parse the parameters */
3355
    typestr = cmd->args_type;
3356
    for(;;) {
3357
        typestr = key_get_info(typestr, &key);
3358
        if (!typestr)
3359
            break;
3360
        c = *typestr;
3361
        typestr++;
3362
        switch(c) {
3363
        case 'F':
3364
        case 'B':
3365
        case 's':
3366
            {
3367
                int ret;
3368

    
3369
                while (qemu_isspace(*p))
3370
                    p++;
3371
                if (*typestr == '?') {
3372
                    typestr++;
3373
                    if (*p == '\0') {
3374
                        /* no optional string: NULL argument */
3375
                        break;
3376
                    }
3377
                }
3378
                ret = get_str(buf, sizeof(buf), &p);
3379
                if (ret < 0) {
3380
                    switch(c) {
3381
                    case 'F':
3382
                        monitor_printf(mon, "%s: filename expected\n",
3383
                                       cmdname);
3384
                        break;
3385
                    case 'B':
3386
                        monitor_printf(mon, "%s: block device name expected\n",
3387
                                       cmdname);
3388
                        break;
3389
                    default:
3390
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3391
                        break;
3392
                    }
3393
                    goto fail;
3394
                }
3395
                qdict_put(qdict, key, qstring_from_str(buf));
3396
            }
3397
            break;
3398
        case '/':
3399
            {
3400
                int count, format, size;
3401

    
3402
                while (qemu_isspace(*p))
3403
                    p++;
3404
                if (*p == '/') {
3405
                    /* format found */
3406
                    p++;
3407
                    count = 1;
3408
                    if (qemu_isdigit(*p)) {
3409
                        count = 0;
3410
                        while (qemu_isdigit(*p)) {
3411
                            count = count * 10 + (*p - '0');
3412
                            p++;
3413
                        }
3414
                    }
3415
                    size = -1;
3416
                    format = -1;
3417
                    for(;;) {
3418
                        switch(*p) {
3419
                        case 'o':
3420
                        case 'd':
3421
                        case 'u':
3422
                        case 'x':
3423
                        case 'i':
3424
                        case 'c':
3425
                            format = *p++;
3426
                            break;
3427
                        case 'b':
3428
                            size = 1;
3429
                            p++;
3430
                            break;
3431
                        case 'h':
3432
                            size = 2;
3433
                            p++;
3434
                            break;
3435
                        case 'w':
3436
                            size = 4;
3437
                            p++;
3438
                            break;
3439
                        case 'g':
3440
                        case 'L':
3441
                            size = 8;
3442
                            p++;
3443
                            break;
3444
                        default:
3445
                            goto next;
3446
                        }
3447
                    }
3448
                next:
3449
                    if (*p != '\0' && !qemu_isspace(*p)) {
3450
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3451
                                       *p);
3452
                        goto fail;
3453
                    }
3454
                    if (format < 0)
3455
                        format = default_fmt_format;
3456
                    if (format != 'i') {
3457
                        /* for 'i', not specifying a size gives -1 as size */
3458
                        if (size < 0)
3459
                            size = default_fmt_size;
3460
                        default_fmt_size = size;
3461
                    }
3462
                    default_fmt_format = format;
3463
                } else {
3464
                    count = 1;
3465
                    format = default_fmt_format;
3466
                    if (format != 'i') {
3467
                        size = default_fmt_size;
3468
                    } else {
3469
                        size = -1;
3470
                    }
3471
                }
3472
                qdict_put(qdict, "count", qint_from_int(count));
3473
                qdict_put(qdict, "format", qint_from_int(format));
3474
                qdict_put(qdict, "size", qint_from_int(size));
3475
            }
3476
            break;
3477
        case 'i':
3478
        case 'l':
3479
            {
3480
                int64_t val;
3481

    
3482
                while (qemu_isspace(*p))
3483
                    p++;
3484
                if (*typestr == '?' || *typestr == '.') {
3485
                    if (*typestr == '?') {
3486
                        if (*p == '\0') {
3487
                            typestr++;
3488
                            break;
3489
                        }
3490
                    } else {
3491
                        if (*p == '.') {
3492
                            p++;
3493
                            while (qemu_isspace(*p))
3494
                                p++;
3495
                        } else {
3496
                            typestr++;
3497
                            break;
3498
                        }
3499
                    }
3500
                    typestr++;
3501
                }
3502
                if (get_expr(mon, &val, &p))
3503
                    goto fail;
3504
                /* Check if 'i' is greater than 32-bit */
3505
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3506
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3507
                    monitor_printf(mon, "integer is for 32-bit values\n");
3508
                    goto fail;
3509
                }
3510
                qdict_put(qdict, key, qint_from_int(val));
3511
            }
3512
            break;
3513
        case '-':
3514
            {
3515
                const char *tmp = p;
3516
                int has_option, skip_key = 0;
3517
                /* option */
3518

    
3519
                c = *typestr++;
3520
                if (c == '\0')
3521
                    goto bad_type;
3522
                while (qemu_isspace(*p))
3523
                    p++;
3524
                has_option = 0;
3525
                if (*p == '-') {
3526
                    p++;
3527
                    if(c != *p) {
3528
                        if(!is_valid_option(p, typestr)) {
3529
                  
3530
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3531
                                           cmdname, *p);
3532
                            goto fail;
3533
                        } else {
3534
                            skip_key = 1;
3535
                        }
3536
                    }
3537
                    if(skip_key) {
3538
                        p = tmp;
3539
                    } else {
3540
                        p++;
3541
                        has_option = 1;
3542
                    }
3543
                }
3544
                qdict_put(qdict, key, qint_from_int(has_option));
3545
            }
3546
            break;
3547
        default:
3548
        bad_type:
3549
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3550
            goto fail;
3551
        }
3552
        qemu_free(key);
3553
        key = NULL;
3554
    }
3555
    /* check that all arguments were parsed */
3556
    while (qemu_isspace(*p))
3557
        p++;
3558
    if (*p != '\0') {
3559
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3560
                       cmdname);
3561
        goto fail;
3562
    }
3563

    
3564
    return cmd;
3565

    
3566
fail:
3567
    qemu_free(key);
3568
    return NULL;
3569
}
3570

    
3571
static void monitor_print_error(Monitor *mon)
3572
{
3573
    qerror_print(mon->error);
3574
    QDECREF(mon->error);
3575
    mon->error = NULL;
3576
}
3577

    
3578
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3579
                                 const QDict *params)
3580
{
3581
    QObject *data = NULL;
3582

    
3583
    cmd->mhandler.cmd_new(mon, params, &data);
3584

    
3585
    if (monitor_ctrl_mode(mon)) {
3586
        /* Monitor Protocol */
3587
        monitor_protocol_emitter(mon, data);
3588
    } else {
3589
        /* User Protocol */
3590
         if (data)
3591
            cmd->user_print(mon, data);
3592
    }
3593

    
3594
    qobject_decref(data);
3595
}
3596

    
3597
static void handle_user_command(Monitor *mon, const char *cmdline)
3598
{
3599
    QDict *qdict;
3600
    const mon_cmd_t *cmd;
3601

    
3602
    qdict = qdict_new();
3603

    
3604
    cmd = monitor_parse_command(mon, cmdline, qdict);
3605
    if (!cmd)
3606
        goto out;
3607

    
3608
    qemu_errors_to_mon(mon);
3609

    
3610
    if (monitor_handler_ported(cmd)) {
3611
        monitor_call_handler(mon, cmd, qdict);
3612
    } else {
3613
        cmd->mhandler.cmd(mon, qdict);
3614
    }
3615

    
3616
    if (monitor_has_error(mon))
3617
        monitor_print_error(mon);
3618

    
3619
    qemu_errors_to_previous();
3620

    
3621
out:
3622
    QDECREF(qdict);
3623
}
3624

    
3625
static void cmd_completion(const char *name, const char *list)
3626
{
3627
    const char *p, *pstart;
3628
    char cmd[128];
3629
    int len;
3630

    
3631
    p = list;
3632
    for(;;) {
3633
        pstart = p;
3634
        p = strchr(p, '|');
3635
        if (!p)
3636
            p = pstart + strlen(pstart);
3637
        len = p - pstart;
3638
        if (len > sizeof(cmd) - 2)
3639
            len = sizeof(cmd) - 2;
3640
        memcpy(cmd, pstart, len);
3641
        cmd[len] = '\0';
3642
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3643
            readline_add_completion(cur_mon->rs, cmd);
3644
        }
3645
        if (*p == '\0')
3646
            break;
3647
        p++;
3648
    }
3649
}
3650

    
3651
static void file_completion(const char *input)
3652
{
3653
    DIR *ffs;
3654
    struct dirent *d;
3655
    char path[1024];
3656
    char file[1024], file_prefix[1024];
3657
    int input_path_len;
3658
    const char *p;
3659

    
3660
    p = strrchr(input, '/');
3661
    if (!p) {
3662
        input_path_len = 0;
3663
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3664
        pstrcpy(path, sizeof(path), ".");
3665
    } else {
3666
        input_path_len = p - input + 1;
3667
        memcpy(path, input, input_path_len);
3668
        if (input_path_len > sizeof(path) - 1)
3669
            input_path_len = sizeof(path) - 1;
3670
        path[input_path_len] = '\0';
3671
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3672
    }
3673
#ifdef DEBUG_COMPLETION
3674
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3675
                   input, path, file_prefix);
3676
#endif
3677
    ffs = opendir(path);
3678
    if (!ffs)
3679
        return;
3680
    for(;;) {
3681
        struct stat sb;
3682
        d = readdir(ffs);
3683
        if (!d)
3684
            break;
3685
        if (strstart(d->d_name, file_prefix, NULL)) {
3686
            memcpy(file, input, input_path_len);
3687
            if (input_path_len < sizeof(file))
3688
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3689
                        d->d_name);
3690
            /* stat the file to find out if it's a directory.
3691
             * In that case add a slash to speed up typing long paths
3692
             */
3693
            stat(file, &sb);
3694
            if(S_ISDIR(sb.st_mode))
3695
                pstrcat(file, sizeof(file), "/");
3696
            readline_add_completion(cur_mon->rs, file);
3697
        }
3698
    }
3699
    closedir(ffs);
3700
}
3701

    
3702
static void block_completion_it(void *opaque, BlockDriverState *bs)
3703
{
3704
    const char *name = bdrv_get_device_name(bs);
3705
    const char *input = opaque;
3706

    
3707
    if (input[0] == '\0' ||
3708
        !strncmp(name, (char *)input, strlen(input))) {
3709
        readline_add_completion(cur_mon->rs, name);
3710
    }
3711
}
3712

    
3713
/* NOTE: this parser is an approximate form of the real command parser */
3714
static void parse_cmdline(const char *cmdline,
3715
                         int *pnb_args, char **args)
3716
{
3717
    const char *p;
3718
    int nb_args, ret;
3719
    char buf[1024];
3720

    
3721
    p = cmdline;
3722
    nb_args = 0;
3723
    for(;;) {
3724
        while (qemu_isspace(*p))
3725
            p++;
3726
        if (*p == '\0')
3727
            break;
3728
        if (nb_args >= MAX_ARGS)
3729
            break;
3730
        ret = get_str(buf, sizeof(buf), &p);
3731
        args[nb_args] = qemu_strdup(buf);
3732
        nb_args++;
3733
        if (ret < 0)
3734
            break;
3735
    }
3736
    *pnb_args = nb_args;
3737
}
3738

    
3739
static const char *next_arg_type(const char *typestr)
3740
{
3741
    const char *p = strchr(typestr, ':');
3742
    return (p != NULL ? ++p : typestr);
3743
}
3744

    
3745
static void monitor_find_completion(const char *cmdline)
3746
{
3747
    const char *cmdname;
3748
    char *args[MAX_ARGS];
3749
    int nb_args, i, len;
3750
    const char *ptype, *str;
3751
    const mon_cmd_t *cmd;
3752
    const KeyDef *key;
3753

    
3754
    parse_cmdline(cmdline, &nb_args, args);
3755
#ifdef DEBUG_COMPLETION
3756
    for(i = 0; i < nb_args; i++) {
3757
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3758
    }
3759
#endif
3760

    
3761
    /* if the line ends with a space, it means we want to complete the
3762
       next arg */
3763
    len = strlen(cmdline);
3764
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3765
        if (nb_args >= MAX_ARGS)
3766
            return;
3767
        args[nb_args++] = qemu_strdup("");
3768
    }
3769
    if (nb_args <= 1) {
3770
        /* command completion */
3771
        if (nb_args == 0)
3772
            cmdname = "";
3773
        else
3774
            cmdname = args[0];
3775
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3776
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3777
            cmd_completion(cmdname, cmd->name);
3778
        }
3779
    } else {
3780
        /* find the command */
3781
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3782
            if (compare_cmd(args[0], cmd->name))
3783
                goto found;
3784
        }
3785
        return;
3786
    found:
3787
        ptype = next_arg_type(cmd->args_type);
3788
        for(i = 0; i < nb_args - 2; i++) {
3789
            if (*ptype != '\0') {
3790
                ptype = next_arg_type(ptype);
3791
                while (*ptype == '?')
3792
                    ptype = next_arg_type(ptype);
3793
            }
3794
        }
3795
        str = args[nb_args - 1];
3796
        if (*ptype == '-' && ptype[1] != '\0') {
3797
            ptype += 2;
3798
        }
3799
        switch(*ptype) {
3800
        case 'F':
3801
            /* file completion */
3802
            readline_set_completion_index(cur_mon->rs, strlen(str));
3803
            file_completion(str);
3804
            break;
3805
        case 'B':
3806
            /* block device name completion */
3807
            readline_set_completion_index(cur_mon->rs, strlen(str));
3808
            bdrv_iterate(block_completion_it, (void *)str);
3809
            break;
3810
        case 's':
3811
            /* XXX: more generic ? */
3812
            if (!strcmp(cmd->name, "info")) {
3813
                readline_set_completion_index(cur_mon->rs, strlen(str));
3814
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3815
                    cmd_completion(str, cmd->name);
3816
                }
3817
            } else if (!strcmp(cmd->name, "sendkey")) {
3818
                char *sep = strrchr(str, '-');
3819
                if (sep)
3820
                    str = sep + 1;
3821
                readline_set_completion_index(cur_mon->rs, strlen(str));
3822
                for(key = key_defs; key->name != NULL; key++) {
3823
                    cmd_completion(str, key->name);
3824
                }
3825
            } else if (!strcmp(cmd->name, "help|?")) {
3826
                readline_set_completion_index(cur_mon->rs, strlen(str));
3827
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3828
                    cmd_completion(str, cmd->name);
3829
                }
3830
            }
3831
            break;
3832
        default:
3833
            break;
3834
        }
3835
    }
3836
    for(i = 0; i < nb_args; i++)
3837
        qemu_free(args[i]);
3838
}
3839

    
3840
static int monitor_can_read(void *opaque)
3841
{
3842
    Monitor *mon = opaque;
3843

    
3844
    return (mon->suspend_cnt == 0) ? 128 : 0;
3845
}
3846

    
3847
typedef struct CmdArgs {
3848
    QString *name;
3849
    int type;
3850
    int flag;
3851
    int optional;
3852
} CmdArgs;
3853

    
3854
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3855
{
3856
    if (!cmd_args->optional) {
3857
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3858
        return -1;
3859
    }
3860

    
3861
    if (cmd_args->type == '-') {
3862
        /* handlers expect a value, they need to be changed */
3863
        qdict_put(args, name, qint_from_int(0));
3864
    }
3865

    
3866
    return 0;
3867
}
3868

    
3869
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3870
{
3871
    QObject *value;
3872
    const char *name;
3873

    
3874
    name = qstring_get_str(cmd_args->name);
3875

    
3876
    if (!args) {
3877
        return check_opt(cmd_args, name, args);
3878
    }
3879

    
3880
    value = qdict_get(args, name);
3881
    if (!value) {
3882
        return check_opt(cmd_args, name, args);
3883
    }
3884

    
3885
    switch (cmd_args->type) {
3886
        case 'F':
3887
        case 'B':
3888
        case 's':
3889
            if (qobject_type(value) != QTYPE_QSTRING) {
3890
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3891
                return -1;
3892
            }
3893
            break;
3894
        case '/': {
3895
            int i;
3896
            const char *keys[] = { "count", "format", "size", NULL };
3897

    
3898
            for (i = 0; keys[i]; i++) {
3899
                QObject *obj = qdict_get(args, keys[i]);
3900
                if (!obj) {
3901
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3902
                    return -1;
3903
                }
3904
                if (qobject_type(obj) != QTYPE_QINT) {
3905
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3906
                    return -1;
3907
                }
3908
            }
3909
            break;
3910
        }
3911
        case 'i':
3912
        case 'l':
3913
            if (qobject_type(value) != QTYPE_QINT) {
3914
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3915
                return -1;
3916
            }
3917
            break;
3918
        case '-':
3919
            if (qobject_type(value) != QTYPE_QINT &&
3920
                qobject_type(value) != QTYPE_QBOOL) {
3921
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3922
                return -1;
3923
            }
3924
            if (qobject_type(value) == QTYPE_QBOOL) {
3925
                /* handlers expect a QInt, they need to be changed */
3926
                qdict_put(args, name,
3927
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3928
            }
3929
            break;
3930
        default:
3931
            /* impossible */
3932
            abort();
3933
    }
3934

    
3935
    return 0;
3936
}
3937

    
3938
static void cmd_args_init(CmdArgs *cmd_args)
3939
{
3940
    cmd_args->name = qstring_new();
3941
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3942
}
3943

    
3944
/*
3945
 * This is not trivial, we have to parse Monitor command's argument
3946
 * type syntax to be able to check the arguments provided by clients.
3947
 *
3948
 * In the near future we will be using an array for that and will be
3949
 * able to drop all this parsing...
3950
 */
3951
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3952
{
3953
    int err;
3954
    const char *p;
3955
    CmdArgs cmd_args;
3956

    
3957
    if (cmd->args_type == NULL) {
3958
        return (qdict_size(args) == 0 ? 0 : -1);
3959
    }
3960

    
3961
    err = 0;
3962
    cmd_args_init(&cmd_args);
3963

    
3964
    for (p = cmd->args_type;; p++) {
3965
        if (*p == ':') {
3966
            cmd_args.type = *++p;
3967
            p++;
3968
            if (cmd_args.type == '-') {
3969
                cmd_args.flag = *p++;
3970
                cmd_args.optional = 1;
3971
            } else if (*p == '?') {
3972
                cmd_args.optional = 1;
3973
                p++;
3974
            }
3975

    
3976
            assert(*p == ',' || *p == '\0');
3977
            err = check_arg(&cmd_args, args);
3978

    
3979
            QDECREF(cmd_args.name);
3980
            cmd_args_init(&cmd_args);
3981

    
3982
            if (err < 0) {
3983
                break;
3984
            }
3985
        } else {
3986
            qstring_append_chr(cmd_args.name, *p);
3987
        }
3988

    
3989
        if (*p == '\0') {
3990
            break;
3991
        }
3992
    }
3993

    
3994
    QDECREF(cmd_args.name);
3995
    return err;
3996
}
3997

    
3998
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3999
{
4000
    int err;
4001
    QObject *obj;
4002
    QDict *input, *args;
4003
    const mon_cmd_t *cmd;
4004
    Monitor *mon = cur_mon;
4005
    const char *cmd_name, *info_item;
4006

    
4007
    args = NULL;
4008
    qemu_errors_to_mon(mon);
4009

    
4010
    obj = json_parser_parse(tokens, NULL);
4011
    if (!obj) {
4012
        // FIXME: should be triggered in json_parser_parse()
4013
        qemu_error_new(QERR_JSON_PARSING);
4014
        goto err_out;
4015
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4016
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4017
        qobject_decref(obj);
4018
        goto err_out;
4019
    }
4020

    
4021
    input = qobject_to_qdict(obj);
4022

    
4023
    mon->mc->id = qdict_get(input, "id");
4024
    qobject_incref(mon->mc->id);
4025

    
4026
    obj = qdict_get(input, "execute");
4027
    if (!obj) {
4028
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4029
        goto err_input;
4030
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4031
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4032
        goto err_input;
4033
    }
4034

    
4035
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4036

    
4037
    /*
4038
     * XXX: We need this special case until we get info handlers
4039
     * converted into 'query-' commands
4040
     */
4041
    if (compare_cmd(cmd_name, "info")) {
4042
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4043
        goto err_input;
4044
    } else if (strstart(cmd_name, "query-", &info_item)) {
4045
        cmd = monitor_find_command("info");
4046
        qdict_put_obj(input, "arguments",
4047
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4048
    } else {
4049
        cmd = monitor_find_command(cmd_name);
4050
        if (!cmd) {
4051
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4052
            goto err_input;
4053
        }
4054
    }
4055

    
4056
    obj = qdict_get(input, "arguments");
4057
    if (!obj) {
4058
        args = qdict_new();
4059
    } else {
4060
        args = qobject_to_qdict(obj);
4061
        QINCREF(args);
4062
    }
4063

    
4064
    QDECREF(input);
4065

    
4066
    err = monitor_check_qmp_args(cmd, args);
4067
    if (err < 0) {
4068
        goto err_out;
4069
    }
4070

    
4071
    monitor_call_handler(mon, cmd, args);
4072
    goto out;
4073

    
4074
err_input:
4075
    QDECREF(input);
4076
err_out:
4077
    monitor_protocol_emitter(mon, NULL);
4078
out:
4079
    QDECREF(args);
4080
    qemu_errors_to_previous();
4081
}
4082

    
4083
/**
4084
 * monitor_control_read(): Read and handle QMP input
4085
 */
4086
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4087
{
4088
    Monitor *old_mon = cur_mon;
4089

    
4090
    cur_mon = opaque;
4091

    
4092
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4093

    
4094
    cur_mon = old_mon;
4095
}
4096

    
4097
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4098
{
4099
    Monitor *old_mon = cur_mon;
4100
    int i;
4101

    
4102
    cur_mon = opaque;
4103

    
4104
    if (cur_mon->rs) {
4105
        for (i = 0; i < size; i++)
4106
            readline_handle_byte(cur_mon->rs, buf[i]);
4107
    } else {
4108
        if (size == 0 || buf[size - 1] != 0)
4109
            monitor_printf(cur_mon, "corrupted command\n");
4110
        else
4111
            handle_user_command(cur_mon, (char *)buf);
4112
    }
4113

    
4114
    cur_mon = old_mon;
4115
}
4116

    
4117
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4118
{
4119
    monitor_suspend(mon);
4120
    handle_user_command(mon, cmdline);
4121
    monitor_resume(mon);
4122
}
4123

    
4124
int monitor_suspend(Monitor *mon)
4125
{
4126
    if (!mon->rs)
4127
        return -ENOTTY;
4128
    mon->suspend_cnt++;
4129
    return 0;
4130
}
4131

    
4132
void monitor_resume(Monitor *mon)
4133
{
4134
    if (!mon->rs)
4135
        return;
4136
    if (--mon->suspend_cnt == 0)
4137
        readline_show_prompt(mon->rs);
4138
}
4139

    
4140
/**
4141
 * monitor_control_event(): Print QMP gretting
4142
 */
4143
static void monitor_control_event(void *opaque, int event)
4144
{
4145
    if (event == CHR_EVENT_OPENED) {
4146
        QObject *data;
4147
        Monitor *mon = opaque;
4148

    
4149
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4150

    
4151
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4152
        assert(data != NULL);
4153

    
4154
        monitor_json_emitter(mon, data);
4155
        qobject_decref(data);
4156
    }
4157
}
4158

    
4159
static void monitor_event(void *opaque, int event)
4160
{
4161
    Monitor *mon = opaque;
4162

    
4163
    switch (event) {
4164
    case CHR_EVENT_MUX_IN:
4165
        mon->mux_out = 0;
4166
        if (mon->reset_seen) {
4167
            readline_restart(mon->rs);
4168
            monitor_resume(mon);
4169
            monitor_flush(mon);
4170
        } else {
4171
            mon->suspend_cnt = 0;
4172
        }
4173
        break;
4174

    
4175
    case CHR_EVENT_MUX_OUT:
4176
        if (mon->reset_seen) {
4177
            if (mon->suspend_cnt == 0) {
4178
                monitor_printf(mon, "\n");
4179
            }
4180
            monitor_flush(mon);
4181
            monitor_suspend(mon);
4182
        } else {
4183
            mon->suspend_cnt++;
4184
        }
4185
        mon->mux_out = 1;
4186
        break;
4187

    
4188
    case CHR_EVENT_OPENED:
4189
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4190
                       "information\n", QEMU_VERSION);
4191
        if (!mon->mux_out) {
4192
            readline_show_prompt(mon->rs);
4193
        }
4194
        mon->reset_seen = 1;
4195
        break;
4196
    }
4197
}
4198

    
4199

    
4200
/*
4201
 * Local variables:
4202
 *  c-indent-level: 4
4203
 *  c-basic-offset: 4
4204
 *  tab-width: 8
4205
 * End:
4206
 */
4207

    
4208
void monitor_init(CharDriverState *chr, int flags)
4209
{
4210
    static int is_first_init = 1;
4211
    Monitor *mon;
4212

    
4213
    if (is_first_init) {
4214
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4215
        is_first_init = 0;
4216
    }
4217

    
4218
    mon = qemu_mallocz(sizeof(*mon));
4219

    
4220
    mon->chr = chr;
4221
    mon->flags = flags;
4222
    if (flags & MONITOR_USE_READLINE) {
4223
        mon->rs = readline_init(mon, monitor_find_completion);
4224
        monitor_read_command(mon, 0);
4225
    }
4226

    
4227
    if (monitor_ctrl_mode(mon)) {
4228
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4229
        /* Control mode requires special handlers */
4230
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4231
                              monitor_control_event, mon);
4232
    } else {
4233
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4234
                              monitor_event, mon);
4235
    }
4236

    
4237
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4238
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4239
        cur_mon = mon;
4240
}
4241

    
4242
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4243
{
4244
    BlockDriverState *bs = opaque;
4245
    int ret = 0;
4246

    
4247
    if (bdrv_set_key(bs, password) != 0) {
4248
        monitor_printf(mon, "invalid password\n");
4249
        ret = -EPERM;
4250
    }
4251
    if (mon->password_completion_cb)
4252
        mon->password_completion_cb(mon->password_opaque, ret);
4253

    
4254
    monitor_read_command(mon, 1);
4255
}
4256

    
4257
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4258
                                 BlockDriverCompletionFunc *completion_cb,
4259
                                 void *opaque)
4260
{
4261
    int err;
4262

    
4263
    if (!bdrv_key_required(bs)) {
4264
        if (completion_cb)
4265
            completion_cb(opaque, 0);
4266
        return;
4267
    }
4268

    
4269
    if (monitor_ctrl_mode(mon)) {
4270
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4271
        return;
4272
    }
4273

    
4274
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4275
                   bdrv_get_encrypted_filename(bs));
4276

    
4277
    mon->password_completion_cb = completion_cb;
4278
    mon->password_opaque = opaque;
4279

    
4280
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4281

    
4282
    if (err && completion_cb)
4283
        completion_cb(opaque, err);
4284
}
4285

    
4286
typedef struct QemuErrorSink QemuErrorSink;
4287
struct QemuErrorSink {
4288
    enum {
4289
        ERR_SINK_FILE,
4290
        ERR_SINK_MONITOR,
4291
    } dest;
4292
    union {
4293
        FILE    *fp;
4294
        Monitor *mon;
4295
    };
4296
    QemuErrorSink *previous;
4297
};
4298

    
4299
static QemuErrorSink *qemu_error_sink;
4300

    
4301
void qemu_errors_to_file(FILE *fp)
4302
{
4303
    QemuErrorSink *sink;
4304

    
4305
    sink = qemu_mallocz(sizeof(*sink));
4306
    sink->dest = ERR_SINK_FILE;
4307
    sink->fp = fp;
4308
    sink->previous = qemu_error_sink;
4309
    qemu_error_sink = sink;
4310
}
4311

    
4312
void qemu_errors_to_mon(Monitor *mon)
4313
{
4314
    QemuErrorSink *sink;
4315

    
4316
    sink = qemu_mallocz(sizeof(*sink));
4317
    sink->dest = ERR_SINK_MONITOR;
4318
    sink->mon = mon;
4319
    sink->previous = qemu_error_sink;
4320
    qemu_error_sink = sink;
4321
}
4322

    
4323
void qemu_errors_to_previous(void)
4324
{
4325
    QemuErrorSink *sink;
4326

    
4327
    assert(qemu_error_sink != NULL);
4328
    sink = qemu_error_sink;
4329
    qemu_error_sink = sink->previous;
4330
    qemu_free(sink);
4331
}
4332

    
4333
void qemu_error(const char *fmt, ...)
4334
{
4335
    va_list args;
4336

    
4337
    assert(qemu_error_sink != NULL);
4338
    switch (qemu_error_sink->dest) {
4339
    case ERR_SINK_FILE:
4340
        va_start(args, fmt);
4341
        vfprintf(qemu_error_sink->fp, fmt, args);
4342
        va_end(args);
4343
        break;
4344
    case ERR_SINK_MONITOR:
4345
        va_start(args, fmt);
4346
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4347
        va_end(args);
4348
        break;
4349
    }
4350
}
4351

    
4352
void qemu_error_internal(const char *file, int linenr, const char *func,
4353
                         const char *fmt, ...)
4354
{
4355
    va_list va;
4356
    QError *qerror;
4357

    
4358
    assert(qemu_error_sink != NULL);
4359

    
4360
    va_start(va, fmt);
4361
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4362
    va_end(va);
4363

    
4364
    switch (qemu_error_sink->dest) {
4365
    case ERR_SINK_FILE:
4366
        qerror_print(qerror);
4367
        QDECREF(qerror);
4368
        break;
4369
    case ERR_SINK_MONITOR:
4370
        assert(qemu_error_sink->mon->error == NULL);
4371
        qemu_error_sink->mon->error = qerror;
4372
        break;
4373
    }
4374
}