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

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

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

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

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

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

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

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

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

    
130
Monitor *cur_mon = NULL;
131

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
274
    QDECREF(json);
275
}
276

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

    
281
    qmp = qdict_new();
282

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

    
300
    if (mon->mc->id) {
301
        qdict_put_obj(qmp, "id", mon->mc->id);
302
        mon->mc->id = NULL;
303
    }
304

    
305
    monitor_json_emitter(mon, QOBJECT(qmp));
306
    QDECREF(qmp);
307
}
308

    
309
static void timestamp_put(QDict *qdict)
310
{
311
    int err;
312
    QObject *obj;
313
    qemu_timeval tv;
314

    
315
    err = qemu_gettimeofday(&tv);
316
    if (err < 0)
317
        return;
318

    
319
    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
320
                                "'microseconds': %" PRId64 " }",
321
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
322
    assert(obj != NULL);
323

    
324
    qdict_put_obj(qdict, "timestamp", obj);
325
}
326

    
327
/**
328
 * monitor_protocol_event(): Generate a Monitor event
329
 *
330
 * Event-specific data can be emitted through the (optional) 'data' parameter.
331
 */
332
void monitor_protocol_event(MonitorEvent event, QObject *data)
333
{
334
    QDict *qmp;
335
    const char *event_name;
336
    Monitor *mon = cur_mon;
337

    
338
    assert(event < QEVENT_MAX);
339

    
340
    if (!monitor_ctrl_mode(mon))
341
        return;
342

    
343
    switch (event) {
344
        case QEVENT_DEBUG:
345
            event_name = "DEBUG";
346
            break;
347
        case QEVENT_SHUTDOWN:
348
            event_name = "SHUTDOWN";
349
            break;
350
        case QEVENT_RESET:
351
            event_name = "RESET";
352
            break;
353
        case QEVENT_POWERDOWN:
354
            event_name = "POWERDOWN";
355
            break;
356
        case QEVENT_STOP:
357
            event_name = "STOP";
358
            break;
359
        default:
360
            abort();
361
            break;
362
    }
363

    
364
    qmp = qdict_new();
365
    timestamp_put(qmp);
366
    qdict_put(qmp, "event", qstring_from_str(event_name));
367
    if (data)
368
        qdict_put_obj(qmp, "data", data);
369

    
370
    monitor_json_emitter(mon, QOBJECT(qmp));
371
    QDECREF(qmp);
372
}
373

    
374
static int compare_cmd(const char *name, const char *list)
375
{
376
    const char *p, *pstart;
377
    int len;
378
    len = strlen(name);
379
    p = list;
380
    for(;;) {
381
        pstart = p;
382
        p = strchr(p, '|');
383
        if (!p)
384
            p = pstart + strlen(pstart);
385
        if ((p - pstart) == len && !memcmp(pstart, name, len))
386
            return 1;
387
        if (*p == '\0')
388
            break;
389
        p++;
390
    }
391
    return 0;
392
}
393

    
394
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
395
                          const char *prefix, const char *name)
396
{
397
    const mon_cmd_t *cmd;
398

    
399
    for(cmd = cmds; cmd->name != NULL; cmd++) {
400
        if (!name || !strcmp(name, cmd->name))
401
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
402
                           cmd->params, cmd->help);
403
    }
404
}
405

    
406
static void help_cmd(Monitor *mon, const char *name)
407
{
408
    if (name && !strcmp(name, "info")) {
409
        help_cmd_dump(mon, info_cmds, "info ", NULL);
410
    } else {
411
        help_cmd_dump(mon, mon_cmds, "", name);
412
        if (name && !strcmp(name, "log")) {
413
            const CPULogItem *item;
414
            monitor_printf(mon, "Log items (comma separated):\n");
415
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
416
            for(item = cpu_log_items; item->mask != 0; item++) {
417
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
418
            }
419
        }
420
    }
421
}
422

    
423
static void do_help_cmd(Monitor *mon, const QDict *qdict)
424
{
425
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
426
}
427

    
428
static void do_commit(Monitor *mon, const QDict *qdict)
429
{
430
    int all_devices;
431
    DriveInfo *dinfo;
432
    const char *device = qdict_get_str(qdict, "device");
433

    
434
    all_devices = !strcmp(device, "all");
435
    QTAILQ_FOREACH(dinfo, &drives, next) {
436
        if (!all_devices)
437
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
438
                continue;
439
        bdrv_commit(dinfo->bdrv);
440
    }
441
}
442

    
443
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
444
{
445
    const mon_cmd_t *cmd;
446
    const char *item = qdict_get_try_str(qdict, "item");
447

    
448
    if (!item) {
449
        assert(monitor_ctrl_mode(mon) == 0);
450
        goto help;
451
    }
452

    
453
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
454
        if (compare_cmd(item, cmd->name))
455
            break;
456
    }
457

    
458
    if (cmd->name == NULL) {
459
        if (monitor_ctrl_mode(mon)) {
460
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
461
            return;
462
        }
463
        goto help;
464
    }
465

    
466
    if (monitor_handler_ported(cmd)) {
467
        cmd->mhandler.info_new(mon, ret_data);
468

    
469
        if (!monitor_ctrl_mode(mon)) {
470
            /*
471
             * User Protocol function is called here, Monitor Protocol is
472
             * handled by monitor_call_handler()
473
             */
474
            if (*ret_data)
475
                cmd->user_print(mon, *ret_data);
476
        }
477
    } else {
478
        if (monitor_ctrl_mode(mon)) {
479
            /* handler not converted yet */
480
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
481
        } else {
482
            cmd->mhandler.info(mon);
483
        }
484
    }
485

    
486
    return;
487

    
488
help:
489
    help_cmd(mon, "info");
490
}
491

    
492
static void do_info_version_print(Monitor *mon, const QObject *data)
493
{
494
    QDict *qdict;
495

    
496
    qdict = qobject_to_qdict(data);
497

    
498
    monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
499
                                  qdict_get_str(qdict, "package"));
500
}
501

    
502
/**
503
 * do_info_version(): Show QEMU version
504
 *
505
 * Return a QDict with the following information:
506
 *
507
 * - "qemu": QEMU's version
508
 * - "package": package's version
509
 *
510
 * Example:
511
 *
512
 * { "qemu": "0.11.50", "package": "" }
513
 */
514
static void do_info_version(Monitor *mon, QObject **ret_data)
515
{
516
    *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
517
                                   QEMU_VERSION, QEMU_PKGVERSION);
518
}
519

    
520
static void do_info_name_print(Monitor *mon, const QObject *data)
521
{
522
    QDict *qdict;
523

    
524
    qdict = qobject_to_qdict(data);
525
    if (qdict_size(qdict) == 0) {
526
        return;
527
    }
528

    
529
    monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
530
}
531

    
532
/**
533
 * do_info_name(): Show VM name
534
 *
535
 * Return a QDict with the following information:
536
 *
537
 * - "name": VM's name (optional)
538
 *
539
 * Example:
540
 *
541
 * { "name": "qemu-name" }
542
 */
543
static void do_info_name(Monitor *mon, QObject **ret_data)
544
{
545
    *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
546
                            qobject_from_jsonf("{}");
547
}
548

    
549
static QObject *get_cmd_dict(const char *name)
550
{
551
    const char *p;
552

    
553
    /* Remove '|' from some commands */
554
    p = strchr(name, '|');
555
    if (p) {
556
        p++;
557
    } else {
558
        p = name;
559
    }
560

    
561
    return qobject_from_jsonf("{ 'name': %s }", p);
562
}
563

    
564
/**
565
 * do_info_commands(): List QMP available commands
566
 *
567
 * Each command is represented by a QDict, the returned QObject is a QList
568
 * of all commands.
569
 *
570
 * The QDict contains:
571
 *
572
 * - "name": command's name
573
 *
574
 * Example:
575
 *
576
 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
577
 */
578
static void do_info_commands(Monitor *mon, QObject **ret_data)
579
{
580
    QList *cmd_list;
581
    const mon_cmd_t *cmd;
582

    
583
    cmd_list = qlist_new();
584

    
585
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
586
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
587
            qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
588
        }
589
    }
590

    
591
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
592
        if (monitor_handler_ported(cmd)) {
593
            char buf[128];
594
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
595
            qlist_append_obj(cmd_list, get_cmd_dict(buf));
596
        }
597
    }
598

    
599
    *ret_data = QOBJECT(cmd_list);
600
}
601

    
602
#if defined(TARGET_I386)
603
static void do_info_hpet_print(Monitor *mon, const QObject *data)
604
{
605
    monitor_printf(mon, "HPET is %s by QEMU\n",
606
                   qdict_get_bool(qobject_to_qdict(data), "enabled") ?
607
                   "enabled" : "disabled");
608
}
609

    
610
/**
611
 * do_info_hpet(): Show HPET state
612
 *
613
 * Return a QDict with the following information:
614
 *
615
 * - "enabled": true if hpet if enabled, false otherwise
616
 *
617
 * Example:
618
 *
619
 * { "enabled": true }
620
 */
621
static void do_info_hpet(Monitor *mon, QObject **ret_data)
622
{
623
    *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
624
}
625
#endif
626

    
627
static void do_info_uuid_print(Monitor *mon, const QObject *data)
628
{
629
    monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
630
}
631

    
632
/**
633
 * do_info_uuid(): Show VM UUID
634
 *
635
 * Return a QDict with the following information:
636
 *
637
 * - "UUID": Universally Unique Identifier
638
 *
639
 * Example:
640
 *
641
 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
642
 */
643
static void do_info_uuid(Monitor *mon, QObject **ret_data)
644
{
645
    char uuid[64];
646

    
647
    snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
648
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
649
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
650
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
651
                   qemu_uuid[14], qemu_uuid[15]);
652
    *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
653
}
654

    
655
/* get the current CPU defined by the user */
656
static int mon_set_cpu(int cpu_index)
657
{
658
    CPUState *env;
659

    
660
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
661
        if (env->cpu_index == cpu_index) {
662
            cur_mon->mon_cpu = env;
663
            return 0;
664
        }
665
    }
666
    return -1;
667
}
668

    
669
static CPUState *mon_get_cpu(void)
670
{
671
    if (!cur_mon->mon_cpu) {
672
        mon_set_cpu(0);
673
    }
674
    cpu_synchronize_state(cur_mon->mon_cpu);
675
    return cur_mon->mon_cpu;
676
}
677

    
678
static void do_info_registers(Monitor *mon)
679
{
680
    CPUState *env;
681
    env = mon_get_cpu();
682
    if (!env)
683
        return;
684
#ifdef TARGET_I386
685
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
686
                   X86_DUMP_FPU);
687
#else
688
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
689
                   0);
690
#endif
691
}
692

    
693
static void print_cpu_iter(QObject *obj, void *opaque)
694
{
695
    QDict *cpu;
696
    int active = ' ';
697
    Monitor *mon = opaque;
698

    
699
    assert(qobject_type(obj) == QTYPE_QDICT);
700
    cpu = qobject_to_qdict(obj);
701

    
702
    if (qdict_get_bool(cpu, "current")) {
703
        active = '*';
704
    }
705

    
706
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
707

    
708
#if defined(TARGET_I386)
709
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
710
                   (target_ulong) qdict_get_int(cpu, "pc"));
711
#elif defined(TARGET_PPC)
712
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
713
                   (target_long) qdict_get_int(cpu, "nip"));
714
#elif defined(TARGET_SPARC)
715
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
716
                   (target_long) qdict_get_int(cpu, "pc"));
717
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
718
                   (target_long) qdict_get_int(cpu, "npc"));
719
#elif defined(TARGET_MIPS)
720
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
721
                   (target_long) qdict_get_int(cpu, "PC"));
722
#endif
723

    
724
    if (qdict_get_bool(cpu, "halted")) {
725
        monitor_printf(mon, " (halted)");
726
    }
727

    
728
    monitor_printf(mon, "\n");
729
}
730

    
731
static void monitor_print_cpus(Monitor *mon, const QObject *data)
732
{
733
    QList *cpu_list;
734

    
735
    assert(qobject_type(data) == QTYPE_QLIST);
736
    cpu_list = qobject_to_qlist(data);
737
    qlist_iter(cpu_list, print_cpu_iter, mon);
738
}
739

    
740
/**
741
 * do_info_cpus(): Show CPU information
742
 *
743
 * Return a QList. Each CPU is represented by a QDict, which contains:
744
 *
745
 * - "cpu": CPU index
746
 * - "current": true if this is the current CPU, false otherwise
747
 * - "halted": true if the cpu is halted, false otherwise
748
 * - Current program counter. The key's name depends on the architecture:
749
 *      "pc": i386/x86)64
750
 *      "nip": PPC
751
 *      "pc" and "npc": sparc
752
 *      "PC": mips
753
 *
754
 * Example:
755
 *
756
 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
757
 *   { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
758
 */
759
static void do_info_cpus(Monitor *mon, QObject **ret_data)
760
{
761
    CPUState *env;
762
    QList *cpu_list;
763

    
764
    cpu_list = qlist_new();
765

    
766
    /* just to set the default cpu if not already done */
767
    mon_get_cpu();
768

    
769
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
770
        QDict *cpu;
771
        QObject *obj;
772

    
773
        cpu_synchronize_state(env);
774

    
775
        obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
776
                                 env->cpu_index, env == mon->mon_cpu,
777
                                 env->halted);
778
        assert(obj != NULL);
779

    
780
        cpu = qobject_to_qdict(obj);
781

    
782
#if defined(TARGET_I386)
783
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
784
#elif defined(TARGET_PPC)
785
        qdict_put(cpu, "nip", qint_from_int(env->nip));
786
#elif defined(TARGET_SPARC)
787
        qdict_put(cpu, "pc", qint_from_int(env->pc));
788
        qdict_put(cpu, "npc", qint_from_int(env->npc));
789
#elif defined(TARGET_MIPS)
790
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
791
#endif
792

    
793
        qlist_append(cpu_list, cpu);
794
    }
795

    
796
    *ret_data = QOBJECT(cpu_list);
797
}
798

    
799
static void do_cpu_set(Monitor *mon, const QDict *qdict)
800
{
801
    int index = qdict_get_int(qdict, "index");
802
    if (mon_set_cpu(index) < 0)
803
        monitor_printf(mon, "Invalid CPU index\n");
804
}
805

    
806
static void do_info_jit(Monitor *mon)
807
{
808
    dump_exec_info((FILE *)mon, monitor_fprintf);
809
}
810

    
811
static void do_info_history(Monitor *mon)
812
{
813
    int i;
814
    const char *str;
815

    
816
    if (!mon->rs)
817
        return;
818
    i = 0;
819
    for(;;) {
820
        str = readline_get_history(mon->rs, i);
821
        if (!str)
822
            break;
823
        monitor_printf(mon, "%d: '%s'\n", i, str);
824
        i++;
825
    }
826
}
827

    
828
#if defined(TARGET_PPC)
829
/* XXX: not implemented in other targets */
830
static void do_info_cpu_stats(Monitor *mon)
831
{
832
    CPUState *env;
833

    
834
    env = mon_get_cpu();
835
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
836
}
837
#endif
838

    
839
/**
840
 * do_quit(): Quit QEMU execution
841
 */
842
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
843
{
844
    exit(0);
845
}
846

    
847
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
848
{
849
    if (bdrv_is_inserted(bs)) {
850
        if (!force) {
851
            if (!bdrv_is_removable(bs)) {
852
                qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
853
                               bdrv_get_device_name(bs));
854
                return -1;
855
            }
856
            if (bdrv_is_locked(bs)) {
857
                qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
858
                return -1;
859
            }
860
        }
861
        bdrv_close(bs);
862
    }
863
    return 0;
864
}
865

    
866
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
867
{
868
    BlockDriverState *bs;
869
    int force = qdict_get_int(qdict, "force");
870
    const char *filename = qdict_get_str(qdict, "device");
871

    
872
    bs = bdrv_find(filename);
873
    if (!bs) {
874
        qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
875
        return;
876
    }
877
    eject_device(mon, bs, force);
878
}
879

    
880
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
881
                                QObject **ret_data)
882
{
883
    BlockDriverState *bs;
884

    
885
    bs = bdrv_find(qdict_get_str(qdict, "device"));
886
    if (!bs) {
887
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
888
        return;
889
    }
890

    
891
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
892
        qemu_error_new(QERR_INVALID_PASSWORD);
893
    }
894
}
895

    
896
static void do_change_block(Monitor *mon, const char *device,
897
                            const char *filename, const char *fmt)
898
{
899
    BlockDriverState *bs;
900
    BlockDriver *drv = NULL;
901

    
902
    bs = bdrv_find(device);
903
    if (!bs) {
904
        qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
905
        return;
906
    }
907
    if (fmt) {
908
        drv = bdrv_find_whitelisted_format(fmt);
909
        if (!drv) {
910
            qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
911
            return;
912
        }
913
    }
914
    if (eject_device(mon, bs, 0) < 0)
915
        return;
916
    bdrv_open2(bs, filename, 0, drv);
917
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
918
}
919

    
920
static void change_vnc_password(const char *password)
921
{
922
    if (vnc_display_password(NULL, password) < 0)
923
        qemu_error_new(QERR_SET_PASSWD_FAILED);
924

    
925
}
926

    
927
static void change_vnc_password_cb(Monitor *mon, const char *password,
928
                                   void *opaque)
929
{
930
    change_vnc_password(password);
931
    monitor_read_command(mon, 1);
932
}
933

    
934
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
935
{
936
    if (strcmp(target, "passwd") == 0 ||
937
        strcmp(target, "password") == 0) {
938
        if (arg) {
939
            char password[9];
940
            strncpy(password, arg, sizeof(password));
941
            password[sizeof(password) - 1] = '\0';
942
            change_vnc_password(password);
943
        } else {
944
            monitor_read_password(mon, change_vnc_password_cb, NULL);
945
        }
946
    } else {
947
        if (vnc_display_open(NULL, target) < 0)
948
            qemu_error_new(QERR_VNC_SERVER_FAILED, target);
949
    }
950
}
951

    
952
/**
953
 * do_change(): Change a removable medium, or VNC configuration
954
 */
955
static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
956
{
957
    const char *device = qdict_get_str(qdict, "device");
958
    const char *target = qdict_get_str(qdict, "target");
959
    const char *arg = qdict_get_try_str(qdict, "arg");
960
    if (strcmp(device, "vnc") == 0) {
961
        do_change_vnc(mon, target, arg);
962
    } else {
963
        do_change_block(mon, device, target, arg);
964
    }
965
}
966

    
967
static void do_screen_dump(Monitor *mon, const QDict *qdict)
968
{
969
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
970
}
971

    
972
static void do_logfile(Monitor *mon, const QDict *qdict)
973
{
974
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
975
}
976

    
977
static void do_log(Monitor *mon, const QDict *qdict)
978
{
979
    int mask;
980
    const char *items = qdict_get_str(qdict, "items");
981

    
982
    if (!strcmp(items, "none")) {
983
        mask = 0;
984
    } else {
985
        mask = cpu_str_to_log_mask(items);
986
        if (!mask) {
987
            help_cmd(mon, "log");
988
            return;
989
        }
990
    }
991
    cpu_set_log(mask);
992
}
993

    
994
static void do_singlestep(Monitor *mon, const QDict *qdict)
995
{
996
    const char *option = qdict_get_try_str(qdict, "option");
997
    if (!option || !strcmp(option, "on")) {
998
        singlestep = 1;
999
    } else if (!strcmp(option, "off")) {
1000
        singlestep = 0;
1001
    } else {
1002
        monitor_printf(mon, "unexpected option %s\n", option);
1003
    }
1004
}
1005

    
1006
/**
1007
 * do_stop(): Stop VM execution
1008
 */
1009
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1010
{
1011
    vm_stop(EXCP_INTERRUPT);
1012
}
1013

    
1014
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1015

    
1016
struct bdrv_iterate_context {
1017
    Monitor *mon;
1018
    int err;
1019
};
1020

    
1021
/**
1022
 * do_cont(): Resume emulation.
1023
 */
1024
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1025
{
1026
    struct bdrv_iterate_context context = { mon, 0 };
1027

    
1028
    bdrv_iterate(encrypted_bdrv_it, &context);
1029
    /* only resume the vm if all keys are set and valid */
1030
    if (!context.err)
1031
        vm_start();
1032
}
1033

    
1034
static void bdrv_key_cb(void *opaque, int err)
1035
{
1036
    Monitor *mon = opaque;
1037

    
1038
    /* another key was set successfully, retry to continue */
1039
    if (!err)
1040
        do_cont(mon, NULL, NULL);
1041
}
1042

    
1043
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1044
{
1045
    struct bdrv_iterate_context *context = opaque;
1046

    
1047
    if (!context->err && bdrv_key_required(bs)) {
1048
        context->err = -EBUSY;
1049
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1050
                                    context->mon);
1051
    }
1052
}
1053

    
1054
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1055
{
1056
    const char *device = qdict_get_try_str(qdict, "device");
1057
    if (!device)
1058
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
1059
    if (gdbserver_start(device) < 0) {
1060
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1061
                       device);
1062
    } else if (strcmp(device, "none") == 0) {
1063
        monitor_printf(mon, "Disabled gdbserver\n");
1064
    } else {
1065
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1066
                       device);
1067
    }
1068
}
1069

    
1070
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1071
{
1072
    const char *action = qdict_get_str(qdict, "action");
1073
    if (select_watchdog_action(action) == -1) {
1074
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1075
    }
1076
}
1077

    
1078
static void monitor_printc(Monitor *mon, int c)
1079
{
1080
    monitor_printf(mon, "'");
1081
    switch(c) {
1082
    case '\'':
1083
        monitor_printf(mon, "\\'");
1084
        break;
1085
    case '\\':
1086
        monitor_printf(mon, "\\\\");
1087
        break;
1088
    case '\n':
1089
        monitor_printf(mon, "\\n");
1090
        break;
1091
    case '\r':
1092
        monitor_printf(mon, "\\r");
1093
        break;
1094
    default:
1095
        if (c >= 32 && c <= 126) {
1096
            monitor_printf(mon, "%c", c);
1097
        } else {
1098
            monitor_printf(mon, "\\x%02x", c);
1099
        }
1100
        break;
1101
    }
1102
    monitor_printf(mon, "'");
1103
}
1104

    
1105
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1106
                        target_phys_addr_t addr, int is_physical)
1107
{
1108
    CPUState *env;
1109
    int nb_per_line, l, line_size, i, max_digits, len;
1110
    uint8_t buf[16];
1111
    uint64_t v;
1112

    
1113
    if (format == 'i') {
1114
        int flags;
1115
        flags = 0;
1116
        env = mon_get_cpu();
1117
        if (!env && !is_physical)
1118
            return;
1119
#ifdef TARGET_I386
1120
        if (wsize == 2) {
1121
            flags = 1;
1122
        } else if (wsize == 4) {
1123
            flags = 0;
1124
        } else {
1125
            /* as default we use the current CS size */
1126
            flags = 0;
1127
            if (env) {
1128
#ifdef TARGET_X86_64
1129
                if ((env->efer & MSR_EFER_LMA) &&
1130
                    (env->segs[R_CS].flags & DESC_L_MASK))
1131
                    flags = 2;
1132
                else
1133
#endif
1134
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1135
                    flags = 1;
1136
            }
1137
        }
1138
#endif
1139
        monitor_disas(mon, env, addr, count, is_physical, flags);
1140
        return;
1141
    }
1142

    
1143
    len = wsize * count;
1144
    if (wsize == 1)
1145
        line_size = 8;
1146
    else
1147
        line_size = 16;
1148
    nb_per_line = line_size / wsize;
1149
    max_digits = 0;
1150

    
1151
    switch(format) {
1152
    case 'o':
1153
        max_digits = (wsize * 8 + 2) / 3;
1154
        break;
1155
    default:
1156
    case 'x':
1157
        max_digits = (wsize * 8) / 4;
1158
        break;
1159
    case 'u':
1160
    case 'd':
1161
        max_digits = (wsize * 8 * 10 + 32) / 33;
1162
        break;
1163
    case 'c':
1164
        wsize = 1;
1165
        break;
1166
    }
1167

    
1168
    while (len > 0) {
1169
        if (is_physical)
1170
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1171
        else
1172
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1173
        l = len;
1174
        if (l > line_size)
1175
            l = line_size;
1176
        if (is_physical) {
1177
            cpu_physical_memory_rw(addr, buf, l, 0);
1178
        } else {
1179
            env = mon_get_cpu();
1180
            if (!env)
1181
                break;
1182
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1183
                monitor_printf(mon, " Cannot access memory\n");
1184
                break;
1185
            }
1186
        }
1187
        i = 0;
1188
        while (i < l) {
1189
            switch(wsize) {
1190
            default:
1191
            case 1:
1192
                v = ldub_raw(buf + i);
1193
                break;
1194
            case 2:
1195
                v = lduw_raw(buf + i);
1196
                break;
1197
            case 4:
1198
                v = (uint32_t)ldl_raw(buf + i);
1199
                break;
1200
            case 8:
1201
                v = ldq_raw(buf + i);
1202
                break;
1203
            }
1204
            monitor_printf(mon, " ");
1205
            switch(format) {
1206
            case 'o':
1207
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1208
                break;
1209
            case 'x':
1210
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1211
                break;
1212
            case 'u':
1213
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1214
                break;
1215
            case 'd':
1216
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1217
                break;
1218
            case 'c':
1219
                monitor_printc(mon, v);
1220
                break;
1221
            }
1222
            i += wsize;
1223
        }
1224
        monitor_printf(mon, "\n");
1225
        addr += l;
1226
        len -= l;
1227
    }
1228
}
1229

    
1230
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1231
{
1232
    int count = qdict_get_int(qdict, "count");
1233
    int format = qdict_get_int(qdict, "format");
1234
    int size = qdict_get_int(qdict, "size");
1235
    target_long addr = qdict_get_int(qdict, "addr");
1236

    
1237
    memory_dump(mon, count, format, size, addr, 0);
1238
}
1239

    
1240
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1241
{
1242
    int count = qdict_get_int(qdict, "count");
1243
    int format = qdict_get_int(qdict, "format");
1244
    int size = qdict_get_int(qdict, "size");
1245
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1246

    
1247
    memory_dump(mon, count, format, size, addr, 1);
1248
}
1249

    
1250
static void do_print(Monitor *mon, const QDict *qdict)
1251
{
1252
    int format = qdict_get_int(qdict, "format");
1253
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1254

    
1255
#if TARGET_PHYS_ADDR_BITS == 32
1256
    switch(format) {
1257
    case 'o':
1258
        monitor_printf(mon, "%#o", val);
1259
        break;
1260
    case 'x':
1261
        monitor_printf(mon, "%#x", val);
1262
        break;
1263
    case 'u':
1264
        monitor_printf(mon, "%u", val);
1265
        break;
1266
    default:
1267
    case 'd':
1268
        monitor_printf(mon, "%d", val);
1269
        break;
1270
    case 'c':
1271
        monitor_printc(mon, val);
1272
        break;
1273
    }
1274
#else
1275
    switch(format) {
1276
    case 'o':
1277
        monitor_printf(mon, "%#" PRIo64, val);
1278
        break;
1279
    case 'x':
1280
        monitor_printf(mon, "%#" PRIx64, val);
1281
        break;
1282
    case 'u':
1283
        monitor_printf(mon, "%" PRIu64, val);
1284
        break;
1285
    default:
1286
    case 'd':
1287
        monitor_printf(mon, "%" PRId64, val);
1288
        break;
1289
    case 'c':
1290
        monitor_printc(mon, val);
1291
        break;
1292
    }
1293
#endif
1294
    monitor_printf(mon, "\n");
1295
}
1296

    
1297
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1298
{
1299
    FILE *f;
1300
    uint32_t size = qdict_get_int(qdict, "size");
1301
    const char *filename = qdict_get_str(qdict, "filename");
1302
    target_long addr = qdict_get_int(qdict, "val");
1303
    uint32_t l;
1304
    CPUState *env;
1305
    uint8_t buf[1024];
1306

    
1307
    env = mon_get_cpu();
1308
    if (!env)
1309
        return;
1310

    
1311
    f = fopen(filename, "wb");
1312
    if (!f) {
1313
        monitor_printf(mon, "could not open '%s'\n", filename);
1314
        return;
1315
    }
1316
    while (size != 0) {
1317
        l = sizeof(buf);
1318
        if (l > size)
1319
            l = size;
1320
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1321
        fwrite(buf, 1, l, f);
1322
        addr += l;
1323
        size -= l;
1324
    }
1325
    fclose(f);
1326
}
1327

    
1328
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1329
                                    QObject **ret_data)
1330
{
1331
    FILE *f;
1332
    uint32_t l;
1333
    uint8_t buf[1024];
1334
    uint32_t size = qdict_get_int(qdict, "size");
1335
    const char *filename = qdict_get_str(qdict, "filename");
1336
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1337

    
1338
    f = fopen(filename, "wb");
1339
    if (!f) {
1340
        monitor_printf(mon, "could not open '%s'\n", filename);
1341
        return;
1342
    }
1343
    while (size != 0) {
1344
        l = sizeof(buf);
1345
        if (l > size)
1346
            l = size;
1347
        cpu_physical_memory_rw(addr, buf, l, 0);
1348
        fwrite(buf, 1, l, f);
1349
        fflush(f);
1350
        addr += l;
1351
        size -= l;
1352
    }
1353
    fclose(f);
1354
}
1355

    
1356
static void do_sum(Monitor *mon, const QDict *qdict)
1357
{
1358
    uint32_t addr;
1359
    uint8_t buf[1];
1360
    uint16_t sum;
1361
    uint32_t start = qdict_get_int(qdict, "start");
1362
    uint32_t size = qdict_get_int(qdict, "size");
1363

    
1364
    sum = 0;
1365
    for(addr = start; addr < (start + size); addr++) {
1366
        cpu_physical_memory_rw(addr, buf, 1, 0);
1367
        /* BSD sum algorithm ('sum' Unix command) */
1368
        sum = (sum >> 1) | (sum << 15);
1369
        sum += buf[0];
1370
    }
1371
    monitor_printf(mon, "%05d\n", sum);
1372
}
1373

    
1374
typedef struct {
1375
    int keycode;
1376
    const char *name;
1377
} KeyDef;
1378

    
1379
static const KeyDef key_defs[] = {
1380
    { 0x2a, "shift" },
1381
    { 0x36, "shift_r" },
1382

    
1383
    { 0x38, "alt" },
1384
    { 0xb8, "alt_r" },
1385
    { 0x64, "altgr" },
1386
    { 0xe4, "altgr_r" },
1387
    { 0x1d, "ctrl" },
1388
    { 0x9d, "ctrl_r" },
1389

    
1390
    { 0xdd, "menu" },
1391

    
1392
    { 0x01, "esc" },
1393

    
1394
    { 0x02, "1" },
1395
    { 0x03, "2" },
1396
    { 0x04, "3" },
1397
    { 0x05, "4" },
1398
    { 0x06, "5" },
1399
    { 0x07, "6" },
1400
    { 0x08, "7" },
1401
    { 0x09, "8" },
1402
    { 0x0a, "9" },
1403
    { 0x0b, "0" },
1404
    { 0x0c, "minus" },
1405
    { 0x0d, "equal" },
1406
    { 0x0e, "backspace" },
1407

    
1408
    { 0x0f, "tab" },
1409
    { 0x10, "q" },
1410
    { 0x11, "w" },
1411
    { 0x12, "e" },
1412
    { 0x13, "r" },
1413
    { 0x14, "t" },
1414
    { 0x15, "y" },
1415
    { 0x16, "u" },
1416
    { 0x17, "i" },
1417
    { 0x18, "o" },
1418
    { 0x19, "p" },
1419

    
1420
    { 0x1c, "ret" },
1421

    
1422
    { 0x1e, "a" },
1423
    { 0x1f, "s" },
1424
    { 0x20, "d" },
1425
    { 0x21, "f" },
1426
    { 0x22, "g" },
1427
    { 0x23, "h" },
1428
    { 0x24, "j" },
1429
    { 0x25, "k" },
1430
    { 0x26, "l" },
1431

    
1432
    { 0x2c, "z" },
1433
    { 0x2d, "x" },
1434
    { 0x2e, "c" },
1435
    { 0x2f, "v" },
1436
    { 0x30, "b" },
1437
    { 0x31, "n" },
1438
    { 0x32, "m" },
1439
    { 0x33, "comma" },
1440
    { 0x34, "dot" },
1441
    { 0x35, "slash" },
1442

    
1443
    { 0x37, "asterisk" },
1444

    
1445
    { 0x39, "spc" },
1446
    { 0x3a, "caps_lock" },
1447
    { 0x3b, "f1" },
1448
    { 0x3c, "f2" },
1449
    { 0x3d, "f3" },
1450
    { 0x3e, "f4" },
1451
    { 0x3f, "f5" },
1452
    { 0x40, "f6" },
1453
    { 0x41, "f7" },
1454
    { 0x42, "f8" },
1455
    { 0x43, "f9" },
1456
    { 0x44, "f10" },
1457
    { 0x45, "num_lock" },
1458
    { 0x46, "scroll_lock" },
1459

    
1460
    { 0xb5, "kp_divide" },
1461
    { 0x37, "kp_multiply" },
1462
    { 0x4a, "kp_subtract" },
1463
    { 0x4e, "kp_add" },
1464
    { 0x9c, "kp_enter" },
1465
    { 0x53, "kp_decimal" },
1466
    { 0x54, "sysrq" },
1467

    
1468
    { 0x52, "kp_0" },
1469
    { 0x4f, "kp_1" },
1470
    { 0x50, "kp_2" },
1471
    { 0x51, "kp_3" },
1472
    { 0x4b, "kp_4" },
1473
    { 0x4c, "kp_5" },
1474
    { 0x4d, "kp_6" },
1475
    { 0x47, "kp_7" },
1476
    { 0x48, "kp_8" },
1477
    { 0x49, "kp_9" },
1478

    
1479
    { 0x56, "<" },
1480

    
1481
    { 0x57, "f11" },
1482
    { 0x58, "f12" },
1483

    
1484
    { 0xb7, "print" },
1485

    
1486
    { 0xc7, "home" },
1487
    { 0xc9, "pgup" },
1488
    { 0xd1, "pgdn" },
1489
    { 0xcf, "end" },
1490

    
1491
    { 0xcb, "left" },
1492
    { 0xc8, "up" },
1493
    { 0xd0, "down" },
1494
    { 0xcd, "right" },
1495

    
1496
    { 0xd2, "insert" },
1497
    { 0xd3, "delete" },
1498
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1499
    { 0xf0, "stop" },
1500
    { 0xf1, "again" },
1501
    { 0xf2, "props" },
1502
    { 0xf3, "undo" },
1503
    { 0xf4, "front" },
1504
    { 0xf5, "copy" },
1505
    { 0xf6, "open" },
1506
    { 0xf7, "paste" },
1507
    { 0xf8, "find" },
1508
    { 0xf9, "cut" },
1509
    { 0xfa, "lf" },
1510
    { 0xfb, "help" },
1511
    { 0xfc, "meta_l" },
1512
    { 0xfd, "meta_r" },
1513
    { 0xfe, "compose" },
1514
#endif
1515
    { 0, NULL },
1516
};
1517

    
1518
static int get_keycode(const char *key)
1519
{
1520
    const KeyDef *p;
1521
    char *endp;
1522
    int ret;
1523

    
1524
    for(p = key_defs; p->name != NULL; p++) {
1525
        if (!strcmp(key, p->name))
1526
            return p->keycode;
1527
    }
1528
    if (strstart(key, "0x", NULL)) {
1529
        ret = strtoul(key, &endp, 0);
1530
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1531
            return ret;
1532
    }
1533
    return -1;
1534
}
1535

    
1536
#define MAX_KEYCODES 16
1537
static uint8_t keycodes[MAX_KEYCODES];
1538
static int nb_pending_keycodes;
1539
static QEMUTimer *key_timer;
1540

    
1541
static void release_keys(void *opaque)
1542
{
1543
    int keycode;
1544

    
1545
    while (nb_pending_keycodes > 0) {
1546
        nb_pending_keycodes--;
1547
        keycode = keycodes[nb_pending_keycodes];
1548
        if (keycode & 0x80)
1549
            kbd_put_keycode(0xe0);
1550
        kbd_put_keycode(keycode | 0x80);
1551
    }
1552
}
1553

    
1554
static void do_sendkey(Monitor *mon, const QDict *qdict)
1555
{
1556
    char keyname_buf[16];
1557
    char *separator;
1558
    int keyname_len, keycode, i;
1559
    const char *string = qdict_get_str(qdict, "string");
1560
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1561
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1562

    
1563
    if (nb_pending_keycodes > 0) {
1564
        qemu_del_timer(key_timer);
1565
        release_keys(NULL);
1566
    }
1567
    if (!has_hold_time)
1568
        hold_time = 100;
1569
    i = 0;
1570
    while (1) {
1571
        separator = strchr(string, '-');
1572
        keyname_len = separator ? separator - string : strlen(string);
1573
        if (keyname_len > 0) {
1574
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1575
            if (keyname_len > sizeof(keyname_buf) - 1) {
1576
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1577
                return;
1578
            }
1579
            if (i == MAX_KEYCODES) {
1580
                monitor_printf(mon, "too many keys\n");
1581
                return;
1582
            }
1583
            keyname_buf[keyname_len] = 0;
1584
            keycode = get_keycode(keyname_buf);
1585
            if (keycode < 0) {
1586
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1587
                return;
1588
            }
1589
            keycodes[i++] = keycode;
1590
        }
1591
        if (!separator)
1592
            break;
1593
        string = separator + 1;
1594
    }
1595
    nb_pending_keycodes = i;
1596
    /* key down events */
1597
    for (i = 0; i < nb_pending_keycodes; i++) {
1598
        keycode = keycodes[i];
1599
        if (keycode & 0x80)
1600
            kbd_put_keycode(0xe0);
1601
        kbd_put_keycode(keycode & 0x7f);
1602
    }
1603
    /* delayed key up events */
1604
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1605
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1606
}
1607

    
1608
static int mouse_button_state;
1609

    
1610
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1611
{
1612
    int dx, dy, dz;
1613
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1614
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1615
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1616
    dx = strtol(dx_str, NULL, 0);
1617
    dy = strtol(dy_str, NULL, 0);
1618
    dz = 0;
1619
    if (dz_str)
1620
        dz = strtol(dz_str, NULL, 0);
1621
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1622
}
1623

    
1624
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1625
{
1626
    int button_state = qdict_get_int(qdict, "button_state");
1627
    mouse_button_state = button_state;
1628
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1629
}
1630

    
1631
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1632
{
1633
    int size = qdict_get_int(qdict, "size");
1634
    int addr = qdict_get_int(qdict, "addr");
1635
    int has_index = qdict_haskey(qdict, "index");
1636
    uint32_t val;
1637
    int suffix;
1638

    
1639
    if (has_index) {
1640
        int index = qdict_get_int(qdict, "index");
1641
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1642
        addr++;
1643
    }
1644
    addr &= 0xffff;
1645

    
1646
    switch(size) {
1647
    default:
1648
    case 1:
1649
        val = cpu_inb(addr);
1650
        suffix = 'b';
1651
        break;
1652
    case 2:
1653
        val = cpu_inw(addr);
1654
        suffix = 'w';
1655
        break;
1656
    case 4:
1657
        val = cpu_inl(addr);
1658
        suffix = 'l';
1659
        break;
1660
    }
1661
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1662
                   suffix, addr, size * 2, val);
1663
}
1664

    
1665
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1666
{
1667
    int size = qdict_get_int(qdict, "size");
1668
    int addr = qdict_get_int(qdict, "addr");
1669
    int val = qdict_get_int(qdict, "val");
1670

    
1671
    addr &= IOPORTS_MASK;
1672

    
1673
    switch (size) {
1674
    default:
1675
    case 1:
1676
        cpu_outb(addr, val);
1677
        break;
1678
    case 2:
1679
        cpu_outw(addr, val);
1680
        break;
1681
    case 4:
1682
        cpu_outl(addr, val);
1683
        break;
1684
    }
1685
}
1686

    
1687
static void do_boot_set(Monitor *mon, const QDict *qdict)
1688
{
1689
    int res;
1690
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1691

    
1692
    res = qemu_boot_set(bootdevice);
1693
    if (res == 0) {
1694
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1695
    } else if (res > 0) {
1696
        monitor_printf(mon, "setting boot device list failed\n");
1697
    } else {
1698
        monitor_printf(mon, "no function defined to set boot device list for "
1699
                       "this architecture\n");
1700
    }
1701
}
1702

    
1703
/**
1704
 * do_system_reset(): Issue a machine reset
1705
 */
1706
static void do_system_reset(Monitor *mon, const QDict *qdict,
1707
                            QObject **ret_data)
1708
{
1709
    qemu_system_reset_request();
1710
}
1711

    
1712
/**
1713
 * do_system_powerdown(): Issue a machine powerdown
1714
 */
1715
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1716
                                QObject **ret_data)
1717
{
1718
    qemu_system_powerdown_request();
1719
}
1720

    
1721
#if defined(TARGET_I386)
1722
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1723
{
1724
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1725
                   addr,
1726
                   pte & mask,
1727
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1728
                   pte & PG_PSE_MASK ? 'P' : '-',
1729
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1730
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1731
                   pte & PG_PCD_MASK ? 'C' : '-',
1732
                   pte & PG_PWT_MASK ? 'T' : '-',
1733
                   pte & PG_USER_MASK ? 'U' : '-',
1734
                   pte & PG_RW_MASK ? 'W' : '-');
1735
}
1736

    
1737
static void tlb_info(Monitor *mon)
1738
{
1739
    CPUState *env;
1740
    int l1, l2;
1741
    uint32_t pgd, pde, pte;
1742

    
1743
    env = mon_get_cpu();
1744
    if (!env)
1745
        return;
1746

    
1747
    if (!(env->cr[0] & CR0_PG_MASK)) {
1748
        monitor_printf(mon, "PG disabled\n");
1749
        return;
1750
    }
1751
    pgd = env->cr[3] & ~0xfff;
1752
    for(l1 = 0; l1 < 1024; l1++) {
1753
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1754
        pde = le32_to_cpu(pde);
1755
        if (pde & PG_PRESENT_MASK) {
1756
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1757
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1758
            } else {
1759
                for(l2 = 0; l2 < 1024; l2++) {
1760
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1761
                                             (uint8_t *)&pte, 4);
1762
                    pte = le32_to_cpu(pte);
1763
                    if (pte & PG_PRESENT_MASK) {
1764
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1765
                                  pte & ~PG_PSE_MASK,
1766
                                  ~0xfff);
1767
                    }
1768
                }
1769
            }
1770
        }
1771
    }
1772
}
1773

    
1774
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1775
                      uint32_t end, int prot)
1776
{
1777
    int prot1;
1778
    prot1 = *plast_prot;
1779
    if (prot != prot1) {
1780
        if (*pstart != -1) {
1781
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1782
                           *pstart, end, end - *pstart,
1783
                           prot1 & PG_USER_MASK ? 'u' : '-',
1784
                           'r',
1785
                           prot1 & PG_RW_MASK ? 'w' : '-');
1786
        }
1787
        if (prot != 0)
1788
            *pstart = end;
1789
        else
1790
            *pstart = -1;
1791
        *plast_prot = prot;
1792
    }
1793
}
1794

    
1795
static void mem_info(Monitor *mon)
1796
{
1797
    CPUState *env;
1798
    int l1, l2, prot, last_prot;
1799
    uint32_t pgd, pde, pte, start, end;
1800

    
1801
    env = mon_get_cpu();
1802
    if (!env)
1803
        return;
1804

    
1805
    if (!(env->cr[0] & CR0_PG_MASK)) {
1806
        monitor_printf(mon, "PG disabled\n");
1807
        return;
1808
    }
1809
    pgd = env->cr[3] & ~0xfff;
1810
    last_prot = 0;
1811
    start = -1;
1812
    for(l1 = 0; l1 < 1024; l1++) {
1813
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1814
        pde = le32_to_cpu(pde);
1815
        end = l1 << 22;
1816
        if (pde & PG_PRESENT_MASK) {
1817
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1818
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1819
                mem_print(mon, &start, &last_prot, end, prot);
1820
            } else {
1821
                for(l2 = 0; l2 < 1024; l2++) {
1822
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1823
                                             (uint8_t *)&pte, 4);
1824
                    pte = le32_to_cpu(pte);
1825
                    end = (l1 << 22) + (l2 << 12);
1826
                    if (pte & PG_PRESENT_MASK) {
1827
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1828
                    } else {
1829
                        prot = 0;
1830
                    }
1831
                    mem_print(mon, &start, &last_prot, end, prot);
1832
                }
1833
            }
1834
        } else {
1835
            prot = 0;
1836
            mem_print(mon, &start, &last_prot, end, prot);
1837
        }
1838
    }
1839
}
1840
#endif
1841

    
1842
#if defined(TARGET_SH4)
1843

    
1844
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1845
{
1846
    monitor_printf(mon, " tlb%i:\t"
1847
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1848
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1849
                   "dirty=%hhu writethrough=%hhu\n",
1850
                   idx,
1851
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1852
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1853
                   tlb->d, tlb->wt);
1854
}
1855

    
1856
static void tlb_info(Monitor *mon)
1857
{
1858
    CPUState *env = mon_get_cpu();
1859
    int i;
1860

    
1861
    monitor_printf (mon, "ITLB:\n");
1862
    for (i = 0 ; i < ITLB_SIZE ; i++)
1863
        print_tlb (mon, i, &env->itlb[i]);
1864
    monitor_printf (mon, "UTLB:\n");
1865
    for (i = 0 ; i < UTLB_SIZE ; i++)
1866
        print_tlb (mon, i, &env->utlb[i]);
1867
}
1868

    
1869
#endif
1870

    
1871
static void do_info_kvm_print(Monitor *mon, const QObject *data)
1872
{
1873
    QDict *qdict;
1874

    
1875
    qdict = qobject_to_qdict(data);
1876

    
1877
    monitor_printf(mon, "kvm support: ");
1878
    if (qdict_get_bool(qdict, "present")) {
1879
        monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1880
                                    "enabled" : "disabled");
1881
    } else {
1882
        monitor_printf(mon, "not compiled\n");
1883
    }
1884
}
1885

    
1886
/**
1887
 * do_info_kvm(): Show KVM information
1888
 *
1889
 * Return a QDict with the following information:
1890
 *
1891
 * - "enabled": true if KVM support is enabled, false otherwise
1892
 * - "present": true if QEMU has KVM support, false otherwise
1893
 *
1894
 * Example:
1895
 *
1896
 * { "enabled": true, "present": true }
1897
 */
1898
static void do_info_kvm(Monitor *mon, QObject **ret_data)
1899
{
1900
#ifdef CONFIG_KVM
1901
    *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1902
                                   kvm_enabled());
1903
#else
1904
    *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1905
#endif
1906
}
1907

    
1908
static void do_info_numa(Monitor *mon)
1909
{
1910
    int i;
1911
    CPUState *env;
1912

    
1913
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1914
    for (i = 0; i < nb_numa_nodes; i++) {
1915
        monitor_printf(mon, "node %d cpus:", i);
1916
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1917
            if (env->numa_node == i) {
1918
                monitor_printf(mon, " %d", env->cpu_index);
1919
            }
1920
        }
1921
        monitor_printf(mon, "\n");
1922
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1923
            node_mem[i] >> 20);
1924
    }
1925
}
1926

    
1927
#ifdef CONFIG_PROFILER
1928

    
1929
int64_t qemu_time;
1930
int64_t dev_time;
1931

    
1932
static void do_info_profile(Monitor *mon)
1933
{
1934
    int64_t total;
1935
    total = qemu_time;
1936
    if (total == 0)
1937
        total = 1;
1938
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1939
                   dev_time, dev_time / (double)get_ticks_per_sec());
1940
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1941
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1942
    qemu_time = 0;
1943
    dev_time = 0;
1944
}
1945
#else
1946
static void do_info_profile(Monitor *mon)
1947
{
1948
    monitor_printf(mon, "Internal profiler not compiled\n");
1949
}
1950
#endif
1951

    
1952
/* Capture support */
1953
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1954

    
1955
static void do_info_capture(Monitor *mon)
1956
{
1957
    int i;
1958
    CaptureState *s;
1959

    
1960
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1961
        monitor_printf(mon, "[%d]: ", i);
1962
        s->ops.info (s->opaque);
1963
    }
1964
}
1965

    
1966
#ifdef HAS_AUDIO
1967
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1968
{
1969
    int i;
1970
    int n = qdict_get_int(qdict, "n");
1971
    CaptureState *s;
1972

    
1973
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1974
        if (i == n) {
1975
            s->ops.destroy (s->opaque);
1976
            QLIST_REMOVE (s, entries);
1977
            qemu_free (s);
1978
            return;
1979
        }
1980
    }
1981
}
1982

    
1983
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1984
{
1985
    const char *path = qdict_get_str(qdict, "path");
1986
    int has_freq = qdict_haskey(qdict, "freq");
1987
    int freq = qdict_get_try_int(qdict, "freq", -1);
1988
    int has_bits = qdict_haskey(qdict, "bits");
1989
    int bits = qdict_get_try_int(qdict, "bits", -1);
1990
    int has_channels = qdict_haskey(qdict, "nchannels");
1991
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1992
    CaptureState *s;
1993

    
1994
    s = qemu_mallocz (sizeof (*s));
1995

    
1996
    freq = has_freq ? freq : 44100;
1997
    bits = has_bits ? bits : 16;
1998
    nchannels = has_channels ? nchannels : 2;
1999

    
2000
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2001
        monitor_printf(mon, "Faied to add wave capture\n");
2002
        qemu_free (s);
2003
    }
2004
    QLIST_INSERT_HEAD (&capture_head, s, entries);
2005
}
2006
#endif
2007

    
2008
#if defined(TARGET_I386)
2009
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2010
{
2011
    CPUState *env;
2012
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2013

    
2014
    for (env = first_cpu; env != NULL; env = env->next_cpu)
2015
        if (env->cpu_index == cpu_index) {
2016
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
2017
            break;
2018
        }
2019
}
2020
#endif
2021

    
2022
static void do_info_status_print(Monitor *mon, const QObject *data)
2023
{
2024
    QDict *qdict;
2025

    
2026
    qdict = qobject_to_qdict(data);
2027

    
2028
    monitor_printf(mon, "VM status: ");
2029
    if (qdict_get_bool(qdict, "running")) {
2030
        monitor_printf(mon, "running");
2031
        if (qdict_get_bool(qdict, "singlestep")) {
2032
            monitor_printf(mon, " (single step mode)");
2033
        }
2034
    } else {
2035
        monitor_printf(mon, "paused");
2036
    }
2037

    
2038
    monitor_printf(mon, "\n");
2039
}
2040

    
2041
/**
2042
 * do_info_status(): VM status
2043
 *
2044
 * Return a QDict with the following information:
2045
 *
2046
 * - "running": true if the VM is running, or false if it is paused
2047
 * - "singlestep": true if the VM is in single step mode, false otherwise
2048
 *
2049
 * Example:
2050
 *
2051
 * { "running": true, "singlestep": false }
2052
 */
2053
static void do_info_status(Monitor *mon, QObject **ret_data)
2054
{
2055
    *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2056
                                    vm_running, singlestep);
2057
}
2058

    
2059
static ram_addr_t balloon_get_value(void)
2060
{
2061
    ram_addr_t actual;
2062

    
2063
    if (kvm_enabled() && !kvm_has_sync_mmu()) {
2064
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2065
        return 0;
2066
    }
2067

    
2068
    actual = qemu_balloon_status();
2069
    if (actual == 0) {
2070
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2071
        return 0;
2072
    }
2073

    
2074
    return actual;
2075
}
2076

    
2077
/**
2078
 * do_balloon(): Request VM to change its memory allocation
2079
 */
2080
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2081
{
2082
    if (balloon_get_value()) {
2083
        /* ballooning is active */
2084
        ram_addr_t value = qdict_get_int(qdict, "value");
2085
        qemu_balloon(value << 20);
2086
    }
2087
}
2088

    
2089
static void monitor_print_balloon(Monitor *mon, const QObject *data)
2090
{
2091
    QDict *qdict;
2092

    
2093
    qdict = qobject_to_qdict(data);
2094

    
2095
    monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2096
                        qdict_get_int(qdict, "balloon") >> 20);
2097
}
2098

    
2099
/**
2100
 * do_info_balloon(): Balloon information
2101
 *
2102
 * Return a QDict with the following information:
2103
 *
2104
 * - "balloon": current balloon value in bytes
2105
 *
2106
 * Example:
2107
 *
2108
 * { "balloon": 1073741824 }
2109
 */
2110
static void do_info_balloon(Monitor *mon, QObject **ret_data)
2111
{
2112
    ram_addr_t actual;
2113

    
2114
    actual = balloon_get_value();
2115
    if (actual != 0) {
2116
        *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2117
                                       (int64_t) actual);
2118
    }
2119
}
2120

    
2121
static qemu_acl *find_acl(Monitor *mon, const char *name)
2122
{
2123
    qemu_acl *acl = qemu_acl_find(name);
2124

    
2125
    if (!acl) {
2126
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2127
    }
2128
    return acl;
2129
}
2130

    
2131
static void do_acl_show(Monitor *mon, const QDict *qdict)
2132
{
2133
    const char *aclname = qdict_get_str(qdict, "aclname");
2134
    qemu_acl *acl = find_acl(mon, aclname);
2135
    qemu_acl_entry *entry;
2136
    int i = 0;
2137

    
2138
    if (acl) {
2139
        monitor_printf(mon, "policy: %s\n",
2140
                       acl->defaultDeny ? "deny" : "allow");
2141
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2142
            i++;
2143
            monitor_printf(mon, "%d: %s %s\n", i,
2144
                           entry->deny ? "deny" : "allow", entry->match);
2145
        }
2146
    }
2147
}
2148

    
2149
static void do_acl_reset(Monitor *mon, const QDict *qdict)
2150
{
2151
    const char *aclname = qdict_get_str(qdict, "aclname");
2152
    qemu_acl *acl = find_acl(mon, aclname);
2153

    
2154
    if (acl) {
2155
        qemu_acl_reset(acl);
2156
        monitor_printf(mon, "acl: removed all rules\n");
2157
    }
2158
}
2159

    
2160
static void do_acl_policy(Monitor *mon, const QDict *qdict)
2161
{
2162
    const char *aclname = qdict_get_str(qdict, "aclname");
2163
    const char *policy = qdict_get_str(qdict, "policy");
2164
    qemu_acl *acl = find_acl(mon, aclname);
2165

    
2166
    if (acl) {
2167
        if (strcmp(policy, "allow") == 0) {
2168
            acl->defaultDeny = 0;
2169
            monitor_printf(mon, "acl: policy set to 'allow'\n");
2170
        } else if (strcmp(policy, "deny") == 0) {
2171
            acl->defaultDeny = 1;
2172
            monitor_printf(mon, "acl: policy set to 'deny'\n");
2173
        } else {
2174
            monitor_printf(mon, "acl: unknown policy '%s', "
2175
                           "expected 'deny' or 'allow'\n", policy);
2176
        }
2177
    }
2178
}
2179

    
2180
static void do_acl_add(Monitor *mon, const QDict *qdict)
2181
{
2182
    const char *aclname = qdict_get_str(qdict, "aclname");
2183
    const char *match = qdict_get_str(qdict, "match");
2184
    const char *policy = qdict_get_str(qdict, "policy");
2185
    int has_index = qdict_haskey(qdict, "index");
2186
    int index = qdict_get_try_int(qdict, "index", -1);
2187
    qemu_acl *acl = find_acl(mon, aclname);
2188
    int deny, ret;
2189

    
2190
    if (acl) {
2191
        if (strcmp(policy, "allow") == 0) {
2192
            deny = 0;
2193
        } else if (strcmp(policy, "deny") == 0) {
2194
            deny = 1;
2195
        } else {
2196
            monitor_printf(mon, "acl: unknown policy '%s', "
2197
                           "expected 'deny' or 'allow'\n", policy);
2198
            return;
2199
        }
2200
        if (has_index)
2201
            ret = qemu_acl_insert(acl, deny, match, index);
2202
        else
2203
            ret = qemu_acl_append(acl, deny, match);
2204
        if (ret < 0)
2205
            monitor_printf(mon, "acl: unable to add acl entry\n");
2206
        else
2207
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2208
    }
2209
}
2210

    
2211
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2212
{
2213
    const char *aclname = qdict_get_str(qdict, "aclname");
2214
    const char *match = qdict_get_str(qdict, "match");
2215
    qemu_acl *acl = find_acl(mon, aclname);
2216
    int ret;
2217

    
2218
    if (acl) {
2219
        ret = qemu_acl_remove(acl, match);
2220
        if (ret < 0)
2221
            monitor_printf(mon, "acl: no matching acl entry\n");
2222
        else
2223
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2224
    }
2225
}
2226

    
2227
#if defined(TARGET_I386)
2228
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2229
{
2230
    CPUState *cenv;
2231
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2232
    int bank = qdict_get_int(qdict, "bank");
2233
    uint64_t status = qdict_get_int(qdict, "status");
2234
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2235
    uint64_t addr = qdict_get_int(qdict, "addr");
2236
    uint64_t misc = qdict_get_int(qdict, "misc");
2237

    
2238
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2239
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2240
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2241
            break;
2242
        }
2243
}
2244
#endif
2245

    
2246
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2247
{
2248
    const char *fdname = qdict_get_str(qdict, "fdname");
2249
    mon_fd_t *monfd;
2250
    int fd;
2251

    
2252
    fd = qemu_chr_get_msgfd(mon->chr);
2253
    if (fd == -1) {
2254
        qemu_error_new(QERR_FD_NOT_SUPPLIED);
2255
        return;
2256
    }
2257

    
2258
    if (qemu_isdigit(fdname[0])) {
2259
        qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2260
        return;
2261
    }
2262

    
2263
    fd = dup(fd);
2264
    if (fd == -1) {
2265
        if (errno == EMFILE)
2266
            qemu_error_new(QERR_TOO_MANY_FILES);
2267
        else
2268
            qemu_error_new(QERR_UNDEFINED_ERROR);
2269
        return;
2270
    }
2271

    
2272
    QLIST_FOREACH(monfd, &mon->fds, next) {
2273
        if (strcmp(monfd->name, fdname) != 0) {
2274
            continue;
2275
        }
2276

    
2277
        close(monfd->fd);
2278
        monfd->fd = fd;
2279
        return;
2280
    }
2281

    
2282
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2283
    monfd->name = qemu_strdup(fdname);
2284
    monfd->fd = fd;
2285

    
2286
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2287
}
2288

    
2289
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2290
{
2291
    const char *fdname = qdict_get_str(qdict, "fdname");
2292
    mon_fd_t *monfd;
2293

    
2294
    QLIST_FOREACH(monfd, &mon->fds, next) {
2295
        if (strcmp(monfd->name, fdname) != 0) {
2296
            continue;
2297
        }
2298

    
2299
        QLIST_REMOVE(monfd, next);
2300
        close(monfd->fd);
2301
        qemu_free(monfd->name);
2302
        qemu_free(monfd);
2303
        return;
2304
    }
2305

    
2306
    qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2307
}
2308

    
2309
static void do_loadvm(Monitor *mon, const QDict *qdict)
2310
{
2311
    int saved_vm_running  = vm_running;
2312
    const char *name = qdict_get_str(qdict, "name");
2313

    
2314
    vm_stop(0);
2315

    
2316
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2317
        vm_start();
2318
}
2319

    
2320
int monitor_get_fd(Monitor *mon, const char *fdname)
2321
{
2322
    mon_fd_t *monfd;
2323

    
2324
    QLIST_FOREACH(monfd, &mon->fds, next) {
2325
        int fd;
2326

    
2327
        if (strcmp(monfd->name, fdname) != 0) {
2328
            continue;
2329
        }
2330

    
2331
        fd = monfd->fd;
2332

    
2333
        /* caller takes ownership of fd */
2334
        QLIST_REMOVE(monfd, next);
2335
        qemu_free(monfd->name);
2336
        qemu_free(monfd);
2337

    
2338
        return fd;
2339
    }
2340

    
2341
    return -1;
2342
}
2343

    
2344
static const mon_cmd_t mon_cmds[] = {
2345
#include "qemu-monitor.h"
2346
    { NULL, NULL, },
2347
};
2348

    
2349
/* Please update qemu-monitor.hx when adding or changing commands */
2350
static const mon_cmd_t info_cmds[] = {
2351
    {
2352
        .name       = "version",
2353
        .args_type  = "",
2354
        .params     = "",
2355
        .help       = "show the version of QEMU",
2356
        .user_print = do_info_version_print,
2357
        .mhandler.info_new = do_info_version,
2358
    },
2359
    {
2360
        .name       = "commands",
2361
        .args_type  = "",
2362
        .params     = "",
2363
        .help       = "list QMP available commands",
2364
        .user_print = monitor_user_noop,
2365
        .mhandler.info_new = do_info_commands,
2366
    },
2367
    {
2368
        .name       = "network",
2369
        .args_type  = "",
2370
        .params     = "",
2371
        .help       = "show the network state",
2372
        .mhandler.info = do_info_network,
2373
    },
2374
    {
2375
        .name       = "chardev",
2376
        .args_type  = "",
2377
        .params     = "",
2378
        .help       = "show the character devices",
2379
        .user_print = qemu_chr_info_print,
2380
        .mhandler.info_new = qemu_chr_info,
2381
    },
2382
    {
2383
        .name       = "block",
2384
        .args_type  = "",
2385
        .params     = "",
2386
        .help       = "show the block devices",
2387
        .user_print = bdrv_info_print,
2388
        .mhandler.info_new = bdrv_info,
2389
    },
2390
    {
2391
        .name       = "blockstats",
2392
        .args_type  = "",
2393
        .params     = "",
2394
        .help       = "show block device statistics",
2395
        .user_print = bdrv_stats_print,
2396
        .mhandler.info_new = bdrv_info_stats,
2397
    },
2398
    {
2399
        .name       = "registers",
2400
        .args_type  = "",
2401
        .params     = "",
2402
        .help       = "show the cpu registers",
2403
        .mhandler.info = do_info_registers,
2404
    },
2405
    {
2406
        .name       = "cpus",
2407
        .args_type  = "",
2408
        .params     = "",
2409
        .help       = "show infos for each CPU",
2410
        .user_print = monitor_print_cpus,
2411
        .mhandler.info_new = do_info_cpus,
2412
    },
2413
    {
2414
        .name       = "history",
2415
        .args_type  = "",
2416
        .params     = "",
2417
        .help       = "show the command line history",
2418
        .mhandler.info = do_info_history,
2419
    },
2420
    {
2421
        .name       = "irq",
2422
        .args_type  = "",
2423
        .params     = "",
2424
        .help       = "show the interrupts statistics (if available)",
2425
        .mhandler.info = irq_info,
2426
    },
2427
    {
2428
        .name       = "pic",
2429
        .args_type  = "",
2430
        .params     = "",
2431
        .help       = "show i8259 (PIC) state",
2432
        .mhandler.info = pic_info,
2433
    },
2434
    {
2435
        .name       = "pci",
2436
        .args_type  = "",
2437
        .params     = "",
2438
        .help       = "show PCI info",
2439
        .mhandler.info = pci_info,
2440
    },
2441
#if defined(TARGET_I386) || defined(TARGET_SH4)
2442
    {
2443
        .name       = "tlb",
2444
        .args_type  = "",
2445
        .params     = "",
2446
        .help       = "show virtual to physical memory mappings",
2447
        .mhandler.info = tlb_info,
2448
    },
2449
#endif
2450
#if defined(TARGET_I386)
2451
    {
2452
        .name       = "mem",
2453
        .args_type  = "",
2454
        .params     = "",
2455
        .help       = "show the active virtual memory mappings",
2456
        .mhandler.info = mem_info,
2457
    },
2458
    {
2459
        .name       = "hpet",
2460
        .args_type  = "",
2461
        .params     = "",
2462
        .help       = "show state of HPET",
2463
        .user_print = do_info_hpet_print,
2464
        .mhandler.info_new = do_info_hpet,
2465
    },
2466
#endif
2467
    {
2468
        .name       = "jit",
2469
        .args_type  = "",
2470
        .params     = "",
2471
        .help       = "show dynamic compiler info",
2472
        .mhandler.info = do_info_jit,
2473
    },
2474
    {
2475
        .name       = "kvm",
2476
        .args_type  = "",
2477
        .params     = "",
2478
        .help       = "show KVM information",
2479
        .user_print = do_info_kvm_print,
2480
        .mhandler.info_new = do_info_kvm,
2481
    },
2482
    {
2483
        .name       = "numa",
2484
        .args_type  = "",
2485
        .params     = "",
2486
        .help       = "show NUMA information",
2487
        .mhandler.info = do_info_numa,
2488
    },
2489
    {
2490
        .name       = "usb",
2491
        .args_type  = "",
2492
        .params     = "",
2493
        .help       = "show guest USB devices",
2494
        .mhandler.info = usb_info,
2495
    },
2496
    {
2497
        .name       = "usbhost",
2498
        .args_type  = "",
2499
        .params     = "",
2500
        .help       = "show host USB devices",
2501
        .mhandler.info = usb_host_info,
2502
    },
2503
    {
2504
        .name       = "profile",
2505
        .args_type  = "",
2506
        .params     = "",
2507
        .help       = "show profiling information",
2508
        .mhandler.info = do_info_profile,
2509
    },
2510
    {
2511
        .name       = "capture",
2512
        .args_type  = "",
2513
        .params     = "",
2514
        .help       = "show capture information",
2515
        .mhandler.info = do_info_capture,
2516
    },
2517
    {
2518
        .name       = "snapshots",
2519
        .args_type  = "",
2520
        .params     = "",
2521
        .help       = "show the currently saved VM snapshots",
2522
        .mhandler.info = do_info_snapshots,
2523
    },
2524
    {
2525
        .name       = "status",
2526
        .args_type  = "",
2527
        .params     = "",
2528
        .help       = "show the current VM status (running|paused)",
2529
        .user_print = do_info_status_print,
2530
        .mhandler.info_new = do_info_status,
2531
    },
2532
    {
2533
        .name       = "pcmcia",
2534
        .args_type  = "",
2535
        .params     = "",
2536
        .help       = "show guest PCMCIA status",
2537
        .mhandler.info = pcmcia_info,
2538
    },
2539
    {
2540
        .name       = "mice",
2541
        .args_type  = "",
2542
        .params     = "",
2543
        .help       = "show which guest mouse is receiving events",
2544
        .user_print = do_info_mice_print,
2545
        .mhandler.info_new = do_info_mice,
2546
    },
2547
    {
2548
        .name       = "vnc",
2549
        .args_type  = "",
2550
        .params     = "",
2551
        .help       = "show the vnc server status",
2552
        .user_print = do_info_vnc_print,
2553
        .mhandler.info_new = do_info_vnc,
2554
    },
2555
    {
2556
        .name       = "name",
2557
        .args_type  = "",
2558
        .params     = "",
2559
        .help       = "show the current VM name",
2560
        .user_print = do_info_name_print,
2561
        .mhandler.info_new = do_info_name,
2562
    },
2563
    {
2564
        .name       = "uuid",
2565
        .args_type  = "",
2566
        .params     = "",
2567
        .help       = "show the current VM UUID",
2568
        .user_print = do_info_uuid_print,
2569
        .mhandler.info_new = do_info_uuid,
2570
    },
2571
#if defined(TARGET_PPC)
2572
    {
2573
        .name       = "cpustats",
2574
        .args_type  = "",
2575
        .params     = "",
2576
        .help       = "show CPU statistics",
2577
        .mhandler.info = do_info_cpu_stats,
2578
    },
2579
#endif
2580
#if defined(CONFIG_SLIRP)
2581
    {
2582
        .name       = "usernet",
2583
        .args_type  = "",
2584
        .params     = "",
2585
        .help       = "show user network stack connection states",
2586
        .mhandler.info = do_info_usernet,
2587
    },
2588
#endif
2589
    {
2590
        .name       = "migrate",
2591
        .args_type  = "",
2592
        .params     = "",
2593
        .help       = "show migration status",
2594
        .user_print = do_info_migrate_print,
2595
        .mhandler.info_new = do_info_migrate,
2596
    },
2597
    {
2598
        .name       = "balloon",
2599
        .args_type  = "",
2600
        .params     = "",
2601
        .help       = "show balloon information",
2602
        .user_print = monitor_print_balloon,
2603
        .mhandler.info_new = do_info_balloon,
2604
    },
2605
    {
2606
        .name       = "qtree",
2607
        .args_type  = "",
2608
        .params     = "",
2609
        .help       = "show device tree",
2610
        .mhandler.info = do_info_qtree,
2611
    },
2612
    {
2613
        .name       = "qdm",
2614
        .args_type  = "",
2615
        .params     = "",
2616
        .help       = "show qdev device model list",
2617
        .mhandler.info = do_info_qdm,
2618
    },
2619
    {
2620
        .name       = "roms",
2621
        .args_type  = "",
2622
        .params     = "",
2623
        .help       = "show roms",
2624
        .mhandler.info = do_info_roms,
2625
    },
2626
    {
2627
        .name       = NULL,
2628
    },
2629
};
2630

    
2631
/*******************************************************************/
2632

    
2633
static const char *pch;
2634
static jmp_buf expr_env;
2635

    
2636
#define MD_TLONG 0
2637
#define MD_I32   1
2638

    
2639
typedef struct MonitorDef {
2640
    const char *name;
2641
    int offset;
2642
    target_long (*get_value)(const struct MonitorDef *md, int val);
2643
    int type;
2644
} MonitorDef;
2645

    
2646
#if defined(TARGET_I386)
2647
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2648
{
2649
    CPUState *env = mon_get_cpu();
2650
    if (!env)
2651
        return 0;
2652
    return env->eip + env->segs[R_CS].base;
2653
}
2654
#endif
2655

    
2656
#if defined(TARGET_PPC)
2657
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2658
{
2659
    CPUState *env = mon_get_cpu();
2660
    unsigned int u;
2661
    int i;
2662

    
2663
    if (!env)
2664
        return 0;
2665

    
2666
    u = 0;
2667
    for (i = 0; i < 8; i++)
2668
        u |= env->crf[i] << (32 - (4 * i));
2669

    
2670
    return u;
2671
}
2672

    
2673
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2674
{
2675
    CPUState *env = mon_get_cpu();
2676
    if (!env)
2677
        return 0;
2678
    return env->msr;
2679
}
2680

    
2681
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2682
{
2683
    CPUState *env = mon_get_cpu();
2684
    if (!env)
2685
        return 0;
2686
    return env->xer;
2687
}
2688

    
2689
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2690
{
2691
    CPUState *env = mon_get_cpu();
2692
    if (!env)
2693
        return 0;
2694
    return cpu_ppc_load_decr(env);
2695
}
2696

    
2697
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2698
{
2699
    CPUState *env = mon_get_cpu();
2700
    if (!env)
2701
        return 0;
2702
    return cpu_ppc_load_tbu(env);
2703
}
2704

    
2705
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2706
{
2707
    CPUState *env = mon_get_cpu();
2708
    if (!env)
2709
        return 0;
2710
    return cpu_ppc_load_tbl(env);
2711
}
2712
#endif
2713

    
2714
#if defined(TARGET_SPARC)
2715
#ifndef TARGET_SPARC64
2716
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2717
{
2718
    CPUState *env = mon_get_cpu();
2719
    if (!env)
2720
        return 0;
2721
    return GET_PSR(env);
2722
}
2723
#endif
2724

    
2725
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2726
{
2727
    CPUState *env = mon_get_cpu();
2728
    if (!env)
2729
        return 0;
2730
    return env->regwptr[val];
2731
}
2732
#endif
2733

    
2734
static const MonitorDef monitor_defs[] = {
2735
#ifdef TARGET_I386
2736

    
2737
#define SEG(name, seg) \
2738
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2739
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2740
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2741

    
2742
    { "eax", offsetof(CPUState, regs[0]) },
2743
    { "ecx", offsetof(CPUState, regs[1]) },
2744
    { "edx", offsetof(CPUState, regs[2]) },
2745
    { "ebx", offsetof(CPUState, regs[3]) },
2746
    { "esp|sp", offsetof(CPUState, regs[4]) },
2747
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2748
    { "esi", offsetof(CPUState, regs[6]) },
2749
    { "edi", offsetof(CPUState, regs[7]) },
2750
#ifdef TARGET_X86_64
2751
    { "r8", offsetof(CPUState, regs[8]) },
2752
    { "r9", offsetof(CPUState, regs[9]) },
2753
    { "r10", offsetof(CPUState, regs[10]) },
2754
    { "r11", offsetof(CPUState, regs[11]) },
2755
    { "r12", offsetof(CPUState, regs[12]) },
2756
    { "r13", offsetof(CPUState, regs[13]) },
2757
    { "r14", offsetof(CPUState, regs[14]) },
2758
    { "r15", offsetof(CPUState, regs[15]) },
2759
#endif
2760
    { "eflags", offsetof(CPUState, eflags) },
2761
    { "eip", offsetof(CPUState, eip) },
2762
    SEG("cs", R_CS)
2763
    SEG("ds", R_DS)
2764
    SEG("es", R_ES)
2765
    SEG("ss", R_SS)
2766
    SEG("fs", R_FS)
2767
    SEG("gs", R_GS)
2768
    { "pc", 0, monitor_get_pc, },
2769
#elif defined(TARGET_PPC)
2770
    /* General purpose registers */
2771
    { "r0", offsetof(CPUState, gpr[0]) },
2772
    { "r1", offsetof(CPUState, gpr[1]) },
2773
    { "r2", offsetof(CPUState, gpr[2]) },
2774
    { "r3", offsetof(CPUState, gpr[3]) },
2775
    { "r4", offsetof(CPUState, gpr[4]) },
2776
    { "r5", offsetof(CPUState, gpr[5]) },
2777
    { "r6", offsetof(CPUState, gpr[6]) },
2778
    { "r7", offsetof(CPUState, gpr[7]) },
2779
    { "r8", offsetof(CPUState, gpr[8]) },
2780
    { "r9", offsetof(CPUState, gpr[9]) },
2781
    { "r10", offsetof(CPUState, gpr[10]) },
2782
    { "r11", offsetof(CPUState, gpr[11]) },
2783
    { "r12", offsetof(CPUState, gpr[12]) },
2784
    { "r13", offsetof(CPUState, gpr[13]) },
2785
    { "r14", offsetof(CPUState, gpr[14]) },
2786
    { "r15", offsetof(CPUState, gpr[15]) },
2787
    { "r16", offsetof(CPUState, gpr[16]) },
2788
    { "r17", offsetof(CPUState, gpr[17]) },
2789
    { "r18", offsetof(CPUState, gpr[18]) },
2790
    { "r19", offsetof(CPUState, gpr[19]) },
2791
    { "r20", offsetof(CPUState, gpr[20]) },
2792
    { "r21", offsetof(CPUState, gpr[21]) },
2793
    { "r22", offsetof(CPUState, gpr[22]) },
2794
    { "r23", offsetof(CPUState, gpr[23]) },
2795
    { "r24", offsetof(CPUState, gpr[24]) },
2796
    { "r25", offsetof(CPUState, gpr[25]) },
2797
    { "r26", offsetof(CPUState, gpr[26]) },
2798
    { "r27", offsetof(CPUState, gpr[27]) },
2799
    { "r28", offsetof(CPUState, gpr[28]) },
2800
    { "r29", offsetof(CPUState, gpr[29]) },
2801
    { "r30", offsetof(CPUState, gpr[30]) },
2802
    { "r31", offsetof(CPUState, gpr[31]) },
2803
    /* Floating point registers */
2804
    { "f0", offsetof(CPUState, fpr[0]) },
2805
    { "f1", offsetof(CPUState, fpr[1]) },
2806
    { "f2", offsetof(CPUState, fpr[2]) },
2807
    { "f3", offsetof(CPUState, fpr[3]) },
2808
    { "f4", offsetof(CPUState, fpr[4]) },
2809
    { "f5", offsetof(CPUState, fpr[5]) },
2810
    { "f6", offsetof(CPUState, fpr[6]) },
2811
    { "f7", offsetof(CPUState, fpr[7]) },
2812
    { "f8", offsetof(CPUState, fpr[8]) },
2813
    { "f9", offsetof(CPUState, fpr[9]) },
2814
    { "f10", offsetof(CPUState, fpr[10]) },
2815
    { "f11", offsetof(CPUState, fpr[11]) },
2816
    { "f12", offsetof(CPUState, fpr[12]) },
2817
    { "f13", offsetof(CPUState, fpr[13]) },
2818
    { "f14", offsetof(CPUState, fpr[14]) },
2819
    { "f15", offsetof(CPUState, fpr[15]) },
2820
    { "f16", offsetof(CPUState, fpr[16]) },
2821
    { "f17", offsetof(CPUState, fpr[17]) },
2822
    { "f18", offsetof(CPUState, fpr[18]) },
2823
    { "f19", offsetof(CPUState, fpr[19]) },
2824
    { "f20", offsetof(CPUState, fpr[20]) },
2825
    { "f21", offsetof(CPUState, fpr[21]) },
2826
    { "f22", offsetof(CPUState, fpr[22]) },
2827
    { "f23", offsetof(CPUState, fpr[23]) },
2828
    { "f24", offsetof(CPUState, fpr[24]) },
2829
    { "f25", offsetof(CPUState, fpr[25]) },
2830
    { "f26", offsetof(CPUState, fpr[26]) },
2831
    { "f27", offsetof(CPUState, fpr[27]) },
2832
    { "f28", offsetof(CPUState, fpr[28]) },
2833
    { "f29", offsetof(CPUState, fpr[29]) },
2834
    { "f30", offsetof(CPUState, fpr[30]) },
2835
    { "f31", offsetof(CPUState, fpr[31]) },
2836
    { "fpscr", offsetof(CPUState, fpscr) },
2837
    /* Next instruction pointer */
2838
    { "nip|pc", offsetof(CPUState, nip) },
2839
    { "lr", offsetof(CPUState, lr) },
2840
    { "ctr", offsetof(CPUState, ctr) },
2841
    { "decr", 0, &monitor_get_decr, },
2842
    { "ccr", 0, &monitor_get_ccr, },
2843
    /* Machine state register */
2844
    { "msr", 0, &monitor_get_msr, },
2845
    { "xer", 0, &monitor_get_xer, },
2846
    { "tbu", 0, &monitor_get_tbu, },
2847
    { "tbl", 0, &monitor_get_tbl, },
2848
#if defined(TARGET_PPC64)
2849
    /* Address space register */
2850
    { "asr", offsetof(CPUState, asr) },
2851
#endif
2852
    /* Segment registers */
2853
    { "sdr1", offsetof(CPUState, sdr1) },
2854
    { "sr0", offsetof(CPUState, sr[0]) },
2855
    { "sr1", offsetof(CPUState, sr[1]) },
2856
    { "sr2", offsetof(CPUState, sr[2]) },
2857
    { "sr3", offsetof(CPUState, sr[3]) },
2858
    { "sr4", offsetof(CPUState, sr[4]) },
2859
    { "sr5", offsetof(CPUState, sr[5]) },
2860
    { "sr6", offsetof(CPUState, sr[6]) },
2861
    { "sr7", offsetof(CPUState, sr[7]) },
2862
    { "sr8", offsetof(CPUState, sr[8]) },
2863
    { "sr9", offsetof(CPUState, sr[9]) },
2864
    { "sr10", offsetof(CPUState, sr[10]) },
2865
    { "sr11", offsetof(CPUState, sr[11]) },
2866
    { "sr12", offsetof(CPUState, sr[12]) },
2867
    { "sr13", offsetof(CPUState, sr[13]) },
2868
    { "sr14", offsetof(CPUState, sr[14]) },
2869
    { "sr15", offsetof(CPUState, sr[15]) },
2870
    /* Too lazy to put BATs and SPRs ... */
2871
#elif defined(TARGET_SPARC)
2872
    { "g0", offsetof(CPUState, gregs[0]) },
2873
    { "g1", offsetof(CPUState, gregs[1]) },
2874
    { "g2", offsetof(CPUState, gregs[2]) },
2875
    { "g3", offsetof(CPUState, gregs[3]) },
2876
    { "g4", offsetof(CPUState, gregs[4]) },
2877
    { "g5", offsetof(CPUState, gregs[5]) },
2878
    { "g6", offsetof(CPUState, gregs[6]) },
2879
    { "g7", offsetof(CPUState, gregs[7]) },
2880
    { "o0", 0, monitor_get_reg },
2881
    { "o1", 1, monitor_get_reg },
2882
    { "o2", 2, monitor_get_reg },
2883
    { "o3", 3, monitor_get_reg },
2884
    { "o4", 4, monitor_get_reg },
2885
    { "o5", 5, monitor_get_reg },
2886
    { "o6", 6, monitor_get_reg },
2887
    { "o7", 7, monitor_get_reg },
2888
    { "l0", 8, monitor_get_reg },
2889
    { "l1", 9, monitor_get_reg },
2890
    { "l2", 10, monitor_get_reg },
2891
    { "l3", 11, monitor_get_reg },
2892
    { "l4", 12, monitor_get_reg },
2893
    { "l5", 13, monitor_get_reg },
2894
    { "l6", 14, monitor_get_reg },
2895
    { "l7", 15, monitor_get_reg },
2896
    { "i0", 16, monitor_get_reg },
2897
    { "i1", 17, monitor_get_reg },
2898
    { "i2", 18, monitor_get_reg },
2899
    { "i3", 19, monitor_get_reg },
2900
    { "i4", 20, monitor_get_reg },
2901
    { "i5", 21, monitor_get_reg },
2902
    { "i6", 22, monitor_get_reg },
2903
    { "i7", 23, monitor_get_reg },
2904
    { "pc", offsetof(CPUState, pc) },
2905
    { "npc", offsetof(CPUState, npc) },
2906
    { "y", offsetof(CPUState, y) },
2907
#ifndef TARGET_SPARC64
2908
    { "psr", 0, &monitor_get_psr, },
2909
    { "wim", offsetof(CPUState, wim) },
2910
#endif
2911
    { "tbr", offsetof(CPUState, tbr) },
2912
    { "fsr", offsetof(CPUState, fsr) },
2913
    { "f0", offsetof(CPUState, fpr[0]) },
2914
    { "f1", offsetof(CPUState, fpr[1]) },
2915
    { "f2", offsetof(CPUState, fpr[2]) },
2916
    { "f3", offsetof(CPUState, fpr[3]) },
2917
    { "f4", offsetof(CPUState, fpr[4]) },
2918
    { "f5", offsetof(CPUState, fpr[5]) },
2919
    { "f6", offsetof(CPUState, fpr[6]) },
2920
    { "f7", offsetof(CPUState, fpr[7]) },
2921
    { "f8", offsetof(CPUState, fpr[8]) },
2922
    { "f9", offsetof(CPUState, fpr[9]) },
2923
    { "f10", offsetof(CPUState, fpr[10]) },
2924
    { "f11", offsetof(CPUState, fpr[11]) },
2925
    { "f12", offsetof(CPUState, fpr[12]) },
2926
    { "f13", offsetof(CPUState, fpr[13]) },
2927
    { "f14", offsetof(CPUState, fpr[14]) },
2928
    { "f15", offsetof(CPUState, fpr[15]) },
2929
    { "f16", offsetof(CPUState, fpr[16]) },
2930
    { "f17", offsetof(CPUState, fpr[17]) },
2931
    { "f18", offsetof(CPUState, fpr[18]) },
2932
    { "f19", offsetof(CPUState, fpr[19]) },
2933
    { "f20", offsetof(CPUState, fpr[20]) },
2934
    { "f21", offsetof(CPUState, fpr[21]) },
2935
    { "f22", offsetof(CPUState, fpr[22]) },
2936
    { "f23", offsetof(CPUState, fpr[23]) },
2937
    { "f24", offsetof(CPUState, fpr[24]) },
2938
    { "f25", offsetof(CPUState, fpr[25]) },
2939
    { "f26", offsetof(CPUState, fpr[26]) },
2940
    { "f27", offsetof(CPUState, fpr[27]) },
2941
    { "f28", offsetof(CPUState, fpr[28]) },
2942
    { "f29", offsetof(CPUState, fpr[29]) },
2943
    { "f30", offsetof(CPUState, fpr[30]) },
2944
    { "f31", offsetof(CPUState, fpr[31]) },
2945
#ifdef TARGET_SPARC64
2946
    { "f32", offsetof(CPUState, fpr[32]) },
2947
    { "f34", offsetof(CPUState, fpr[34]) },
2948
    { "f36", offsetof(CPUState, fpr[36]) },
2949
    { "f38", offsetof(CPUState, fpr[38]) },
2950
    { "f40", offsetof(CPUState, fpr[40]) },
2951
    { "f42", offsetof(CPUState, fpr[42]) },
2952
    { "f44", offsetof(CPUState, fpr[44]) },
2953
    { "f46", offsetof(CPUState, fpr[46]) },
2954
    { "f48", offsetof(CPUState, fpr[48]) },
2955
    { "f50", offsetof(CPUState, fpr[50]) },
2956
    { "f52", offsetof(CPUState, fpr[52]) },
2957
    { "f54", offsetof(CPUState, fpr[54]) },
2958
    { "f56", offsetof(CPUState, fpr[56]) },
2959
    { "f58", offsetof(CPUState, fpr[58]) },
2960
    { "f60", offsetof(CPUState, fpr[60]) },
2961
    { "f62", offsetof(CPUState, fpr[62]) },
2962
    { "asi", offsetof(CPUState, asi) },
2963
    { "pstate", offsetof(CPUState, pstate) },
2964
    { "cansave", offsetof(CPUState, cansave) },
2965
    { "canrestore", offsetof(CPUState, canrestore) },
2966
    { "otherwin", offsetof(CPUState, otherwin) },
2967
    { "wstate", offsetof(CPUState, wstate) },
2968
    { "cleanwin", offsetof(CPUState, cleanwin) },
2969
    { "fprs", offsetof(CPUState, fprs) },
2970
#endif
2971
#endif
2972
    { NULL },
2973
};
2974

    
2975
static void expr_error(Monitor *mon, const char *msg)
2976
{
2977
    monitor_printf(mon, "%s\n", msg);
2978
    longjmp(expr_env, 1);
2979
}
2980

    
2981
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2982
static int get_monitor_def(target_long *pval, const char *name)
2983
{
2984
    const MonitorDef *md;
2985
    void *ptr;
2986

    
2987
    for(md = monitor_defs; md->name != NULL; md++) {
2988
        if (compare_cmd(name, md->name)) {
2989
            if (md->get_value) {
2990
                *pval = md->get_value(md, md->offset);
2991
            } else {
2992
                CPUState *env = mon_get_cpu();
2993
                if (!env)
2994
                    return -2;
2995
                ptr = (uint8_t *)env + md->offset;
2996
                switch(md->type) {
2997
                case MD_I32:
2998
                    *pval = *(int32_t *)ptr;
2999
                    break;
3000
                case MD_TLONG:
3001
                    *pval = *(target_long *)ptr;
3002
                    break;
3003
                default:
3004
                    *pval = 0;
3005
                    break;
3006
                }
3007
            }
3008
            return 0;
3009
        }
3010
    }
3011
    return -1;
3012
}
3013

    
3014
static void next(void)
3015
{
3016
    if (*pch != '\0') {
3017
        pch++;
3018
        while (qemu_isspace(*pch))
3019
            pch++;
3020
    }
3021
}
3022

    
3023
static int64_t expr_sum(Monitor *mon);
3024

    
3025
static int64_t expr_unary(Monitor *mon)
3026
{
3027
    int64_t n;
3028
    char *p;
3029
    int ret;
3030

    
3031
    switch(*pch) {
3032
    case '+':
3033
        next();
3034
        n = expr_unary(mon);
3035
        break;
3036
    case '-':
3037
        next();
3038
        n = -expr_unary(mon);
3039
        break;
3040
    case '~':
3041
        next();
3042
        n = ~expr_unary(mon);
3043
        break;
3044
    case '(':
3045
        next();
3046
        n = expr_sum(mon);
3047
        if (*pch != ')') {
3048
            expr_error(mon, "')' expected");
3049
        }
3050
        next();
3051
        break;
3052
    case '\'':
3053
        pch++;
3054
        if (*pch == '\0')
3055
            expr_error(mon, "character constant expected");
3056
        n = *pch;
3057
        pch++;
3058
        if (*pch != '\'')
3059
            expr_error(mon, "missing terminating \' character");
3060
        next();
3061
        break;
3062
    case '$':
3063
        {
3064
            char buf[128], *q;
3065
            target_long reg=0;
3066

    
3067
            pch++;
3068
            q = buf;
3069
            while ((*pch >= 'a' && *pch <= 'z') ||
3070
                   (*pch >= 'A' && *pch <= 'Z') ||
3071
                   (*pch >= '0' && *pch <= '9') ||
3072
                   *pch == '_' || *pch == '.') {
3073
                if ((q - buf) < sizeof(buf) - 1)
3074
                    *q++ = *pch;
3075
                pch++;
3076
            }
3077
            while (qemu_isspace(*pch))
3078
                pch++;
3079
            *q = 0;
3080
            ret = get_monitor_def(&reg, buf);
3081
            if (ret == -1)
3082
                expr_error(mon, "unknown register");
3083
            else if (ret == -2)
3084
                expr_error(mon, "no cpu defined");
3085
            n = reg;
3086
        }
3087
        break;
3088
    case '\0':
3089
        expr_error(mon, "unexpected end of expression");
3090
        n = 0;
3091
        break;
3092
    default:
3093
#if TARGET_PHYS_ADDR_BITS > 32
3094
        n = strtoull(pch, &p, 0);
3095
#else
3096
        n = strtoul(pch, &p, 0);
3097
#endif
3098
        if (pch == p) {
3099
            expr_error(mon, "invalid char in expression");
3100
        }
3101
        pch = p;
3102
        while (qemu_isspace(*pch))
3103
            pch++;
3104
        break;
3105
    }
3106
    return n;
3107
}
3108

    
3109

    
3110
static int64_t expr_prod(Monitor *mon)
3111
{
3112
    int64_t val, val2;
3113
    int op;
3114

    
3115
    val = expr_unary(mon);
3116
    for(;;) {
3117
        op = *pch;
3118
        if (op != '*' && op != '/' && op != '%')
3119
            break;
3120
        next();
3121
        val2 = expr_unary(mon);
3122
        switch(op) {
3123
        default:
3124
        case '*':
3125
            val *= val2;
3126
            break;
3127
        case '/':
3128
        case '%':
3129
            if (val2 == 0)
3130
                expr_error(mon, "division by zero");
3131
            if (op == '/')
3132
                val /= val2;
3133
            else
3134
                val %= val2;
3135
            break;
3136
        }
3137
    }
3138
    return val;
3139
}
3140

    
3141
static int64_t expr_logic(Monitor *mon)
3142
{
3143
    int64_t val, val2;
3144
    int op;
3145

    
3146
    val = expr_prod(mon);
3147
    for(;;) {
3148
        op = *pch;
3149
        if (op != '&' && op != '|' && op != '^')
3150
            break;
3151
        next();
3152
        val2 = expr_prod(mon);
3153
        switch(op) {
3154
        default:
3155
        case '&':
3156
            val &= val2;
3157
            break;
3158
        case '|':
3159
            val |= val2;
3160
            break;
3161
        case '^':
3162
            val ^= val2;
3163
            break;
3164
        }
3165
    }
3166
    return val;
3167
}
3168

    
3169
static int64_t expr_sum(Monitor *mon)
3170
{
3171
    int64_t val, val2;
3172
    int op;
3173

    
3174
    val = expr_logic(mon);
3175
    for(;;) {
3176
        op = *pch;
3177
        if (op != '+' && op != '-')
3178
            break;
3179
        next();
3180
        val2 = expr_logic(mon);
3181
        if (op == '+')
3182
            val += val2;
3183
        else
3184
            val -= val2;
3185
    }
3186
    return val;
3187
}
3188

    
3189
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3190
{
3191
    pch = *pp;
3192
    if (setjmp(expr_env)) {
3193
        *pp = pch;
3194
        return -1;
3195
    }
3196
    while (qemu_isspace(*pch))
3197
        pch++;
3198
    *pval = expr_sum(mon);
3199
    *pp = pch;
3200
    return 0;
3201
}
3202

    
3203
static int get_str(char *buf, int buf_size, const char **pp)
3204
{
3205
    const char *p;
3206
    char *q;
3207
    int c;
3208

    
3209
    q = buf;
3210
    p = *pp;
3211
    while (qemu_isspace(*p))
3212
        p++;
3213
    if (*p == '\0') {
3214
    fail:
3215
        *q = '\0';
3216
        *pp = p;
3217
        return -1;
3218
    }
3219
    if (*p == '\"') {
3220
        p++;
3221
        while (*p != '\0' && *p != '\"') {
3222
            if (*p == '\\') {
3223
                p++;
3224
                c = *p++;
3225
                switch(c) {
3226
                case 'n':
3227
                    c = '\n';
3228
                    break;
3229
                case 'r':
3230
                    c = '\r';
3231
                    break;
3232
                case '\\':
3233
                case '\'':
3234
                case '\"':
3235
                    break;
3236
                default:
3237
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3238
                    goto fail;
3239
                }
3240
                if ((q - buf) < buf_size - 1) {
3241
                    *q++ = c;
3242
                }
3243
            } else {
3244
                if ((q - buf) < buf_size - 1) {
3245
                    *q++ = *p;
3246
                }
3247
                p++;
3248
            }
3249
        }
3250
        if (*p != '\"') {
3251
            qemu_printf("unterminated string\n");
3252
            goto fail;
3253
        }
3254
        p++;
3255
    } else {
3256
        while (*p != '\0' && !qemu_isspace(*p)) {
3257
            if ((q - buf) < buf_size - 1) {
3258
                *q++ = *p;
3259
            }
3260
            p++;
3261
        }
3262
    }
3263
    *q = '\0';
3264
    *pp = p;
3265
    return 0;
3266
}
3267

    
3268
/*
3269
 * Store the command-name in cmdname, and return a pointer to
3270
 * the remaining of the command string.
3271
 */
3272
static const char *get_command_name(const char *cmdline,
3273
                                    char *cmdname, size_t nlen)
3274
{
3275
    size_t len;
3276
    const char *p, *pstart;
3277

    
3278
    p = cmdline;
3279
    while (qemu_isspace(*p))
3280
        p++;
3281
    if (*p == '\0')
3282
        return NULL;
3283
    pstart = p;
3284
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3285
        p++;
3286
    len = p - pstart;
3287
    if (len > nlen - 1)
3288
        len = nlen - 1;
3289
    memcpy(cmdname, pstart, len);
3290
    cmdname[len] = '\0';
3291
    return p;
3292
}
3293

    
3294
/**
3295
 * Read key of 'type' into 'key' and return the current
3296
 * 'type' pointer.
3297
 */
3298
static char *key_get_info(const char *type, char **key)
3299
{
3300
    size_t len;
3301
    char *p, *str;
3302

    
3303
    if (*type == ',')
3304
        type++;
3305

    
3306
    p = strchr(type, ':');
3307
    if (!p) {
3308
        *key = NULL;
3309
        return NULL;
3310
    }
3311
    len = p - type;
3312

    
3313
    str = qemu_malloc(len + 1);
3314
    memcpy(str, type, len);
3315
    str[len] = '\0';
3316

    
3317
    *key = str;
3318
    return ++p;
3319
}
3320

    
3321
static int default_fmt_format = 'x';
3322
static int default_fmt_size = 4;
3323

    
3324
#define MAX_ARGS 16
3325

    
3326
static int is_valid_option(const char *c, const char *typestr)
3327
{
3328
    char option[3];
3329
  
3330
    option[0] = '-';
3331
    option[1] = *c;
3332
    option[2] = '\0';
3333
  
3334
    typestr = strstr(typestr, option);
3335
    return (typestr != NULL);
3336
}
3337

    
3338
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3339
{
3340
    const mon_cmd_t *cmd;
3341

    
3342
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3343
        if (compare_cmd(cmdname, cmd->name)) {
3344
            return cmd;
3345
        }
3346
    }
3347

    
3348
    return NULL;
3349
}
3350

    
3351
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3352
                                              const char *cmdline,
3353
                                              QDict *qdict)
3354
{
3355
    const char *p, *typestr;
3356
    int c;
3357
    const mon_cmd_t *cmd;
3358
    char cmdname[256];
3359
    char buf[1024];
3360
    char *key;
3361

    
3362
#ifdef DEBUG
3363
    monitor_printf(mon, "command='%s'\n", cmdline);
3364
#endif
3365

    
3366
    /* extract the command name */
3367
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3368
    if (!p)
3369
        return NULL;
3370

    
3371
    cmd = monitor_find_command(cmdname);
3372
    if (!cmd) {
3373
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3374
        return NULL;
3375
    }
3376

    
3377
    /* parse the parameters */
3378
    typestr = cmd->args_type;
3379
    for(;;) {
3380
        typestr = key_get_info(typestr, &key);
3381
        if (!typestr)
3382
            break;
3383
        c = *typestr;
3384
        typestr++;
3385
        switch(c) {
3386
        case 'F':
3387
        case 'B':
3388
        case 's':
3389
            {
3390
                int ret;
3391

    
3392
                while (qemu_isspace(*p))
3393
                    p++;
3394
                if (*typestr == '?') {
3395
                    typestr++;
3396
                    if (*p == '\0') {
3397
                        /* no optional string: NULL argument */
3398
                        break;
3399
                    }
3400
                }
3401
                ret = get_str(buf, sizeof(buf), &p);
3402
                if (ret < 0) {
3403
                    switch(c) {
3404
                    case 'F':
3405
                        monitor_printf(mon, "%s: filename expected\n",
3406
                                       cmdname);
3407
                        break;
3408
                    case 'B':
3409
                        monitor_printf(mon, "%s: block device name expected\n",
3410
                                       cmdname);
3411
                        break;
3412
                    default:
3413
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3414
                        break;
3415
                    }
3416
                    goto fail;
3417
                }
3418
                qdict_put(qdict, key, qstring_from_str(buf));
3419
            }
3420
            break;
3421
        case '/':
3422
            {
3423
                int count, format, size;
3424

    
3425
                while (qemu_isspace(*p))
3426
                    p++;
3427
                if (*p == '/') {
3428
                    /* format found */
3429
                    p++;
3430
                    count = 1;
3431
                    if (qemu_isdigit(*p)) {
3432
                        count = 0;
3433
                        while (qemu_isdigit(*p)) {
3434
                            count = count * 10 + (*p - '0');
3435
                            p++;
3436
                        }
3437
                    }
3438
                    size = -1;
3439
                    format = -1;
3440
                    for(;;) {
3441
                        switch(*p) {
3442
                        case 'o':
3443
                        case 'd':
3444
                        case 'u':
3445
                        case 'x':
3446
                        case 'i':
3447
                        case 'c':
3448
                            format = *p++;
3449
                            break;
3450
                        case 'b':
3451
                            size = 1;
3452
                            p++;
3453
                            break;
3454
                        case 'h':
3455
                            size = 2;
3456
                            p++;
3457
                            break;
3458
                        case 'w':
3459
                            size = 4;
3460
                            p++;
3461
                            break;
3462
                        case 'g':
3463
                        case 'L':
3464
                            size = 8;
3465
                            p++;
3466
                            break;
3467
                        default:
3468
                            goto next;
3469
                        }
3470
                    }
3471
                next:
3472
                    if (*p != '\0' && !qemu_isspace(*p)) {
3473
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3474
                                       *p);
3475
                        goto fail;
3476
                    }
3477
                    if (format < 0)
3478
                        format = default_fmt_format;
3479
                    if (format != 'i') {
3480
                        /* for 'i', not specifying a size gives -1 as size */
3481
                        if (size < 0)
3482
                            size = default_fmt_size;
3483
                        default_fmt_size = size;
3484
                    }
3485
                    default_fmt_format = format;
3486
                } else {
3487
                    count = 1;
3488
                    format = default_fmt_format;
3489
                    if (format != 'i') {
3490
                        size = default_fmt_size;
3491
                    } else {
3492
                        size = -1;
3493
                    }
3494
                }
3495
                qdict_put(qdict, "count", qint_from_int(count));
3496
                qdict_put(qdict, "format", qint_from_int(format));
3497
                qdict_put(qdict, "size", qint_from_int(size));
3498
            }
3499
            break;
3500
        case 'i':
3501
        case 'l':
3502
            {
3503
                int64_t val;
3504

    
3505
                while (qemu_isspace(*p))
3506
                    p++;
3507
                if (*typestr == '?' || *typestr == '.') {
3508
                    if (*typestr == '?') {
3509
                        if (*p == '\0') {
3510
                            typestr++;
3511
                            break;
3512
                        }
3513
                    } else {
3514
                        if (*p == '.') {
3515
                            p++;
3516
                            while (qemu_isspace(*p))
3517
                                p++;
3518
                        } else {
3519
                            typestr++;
3520
                            break;
3521
                        }
3522
                    }
3523
                    typestr++;
3524
                }
3525
                if (get_expr(mon, &val, &p))
3526
                    goto fail;
3527
                /* Check if 'i' is greater than 32-bit */
3528
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3529
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3530
                    monitor_printf(mon, "integer is for 32-bit values\n");
3531
                    goto fail;
3532
                }
3533
                qdict_put(qdict, key, qint_from_int(val));
3534
            }
3535
            break;
3536
        case '-':
3537
            {
3538
                const char *tmp = p;
3539
                int has_option, skip_key = 0;
3540
                /* option */
3541

    
3542
                c = *typestr++;
3543
                if (c == '\0')
3544
                    goto bad_type;
3545
                while (qemu_isspace(*p))
3546
                    p++;
3547
                has_option = 0;
3548
                if (*p == '-') {
3549
                    p++;
3550
                    if(c != *p) {
3551
                        if(!is_valid_option(p, typestr)) {
3552
                  
3553
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3554
                                           cmdname, *p);
3555
                            goto fail;
3556
                        } else {
3557
                            skip_key = 1;
3558
                        }
3559
                    }
3560
                    if(skip_key) {
3561
                        p = tmp;
3562
                    } else {
3563
                        p++;
3564
                        has_option = 1;
3565
                    }
3566
                }
3567
                qdict_put(qdict, key, qint_from_int(has_option));
3568
            }
3569
            break;
3570
        default:
3571
        bad_type:
3572
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3573
            goto fail;
3574
        }
3575
        qemu_free(key);
3576
        key = NULL;
3577
    }
3578
    /* check that all arguments were parsed */
3579
    while (qemu_isspace(*p))
3580
        p++;
3581
    if (*p != '\0') {
3582
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3583
                       cmdname);
3584
        goto fail;
3585
    }
3586

    
3587
    return cmd;
3588

    
3589
fail:
3590
    qemu_free(key);
3591
    return NULL;
3592
}
3593

    
3594
static void monitor_print_error(Monitor *mon)
3595
{
3596
    qerror_print(mon->error);
3597
    QDECREF(mon->error);
3598
    mon->error = NULL;
3599
}
3600

    
3601
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3602
                                 const QDict *params)
3603
{
3604
    QObject *data = NULL;
3605

    
3606
    cmd->mhandler.cmd_new(mon, params, &data);
3607

    
3608
    if (monitor_ctrl_mode(mon)) {
3609
        /* Monitor Protocol */
3610
        monitor_protocol_emitter(mon, data);
3611
    } else {
3612
        /* User Protocol */
3613
         if (data)
3614
            cmd->user_print(mon, data);
3615
    }
3616

    
3617
    qobject_decref(data);
3618
}
3619

    
3620
static void handle_user_command(Monitor *mon, const char *cmdline)
3621
{
3622
    QDict *qdict;
3623
    const mon_cmd_t *cmd;
3624

    
3625
    qdict = qdict_new();
3626

    
3627
    cmd = monitor_parse_command(mon, cmdline, qdict);
3628
    if (!cmd)
3629
        goto out;
3630

    
3631
    qemu_errors_to_mon(mon);
3632

    
3633
    if (monitor_handler_ported(cmd)) {
3634
        monitor_call_handler(mon, cmd, qdict);
3635
    } else {
3636
        cmd->mhandler.cmd(mon, qdict);
3637
    }
3638

    
3639
    if (monitor_has_error(mon))
3640
        monitor_print_error(mon);
3641

    
3642
    qemu_errors_to_previous();
3643

    
3644
out:
3645
    QDECREF(qdict);
3646
}
3647

    
3648
static void cmd_completion(const char *name, const char *list)
3649
{
3650
    const char *p, *pstart;
3651
    char cmd[128];
3652
    int len;
3653

    
3654
    p = list;
3655
    for(;;) {
3656
        pstart = p;
3657
        p = strchr(p, '|');
3658
        if (!p)
3659
            p = pstart + strlen(pstart);
3660
        len = p - pstart;
3661
        if (len > sizeof(cmd) - 2)
3662
            len = sizeof(cmd) - 2;
3663
        memcpy(cmd, pstart, len);
3664
        cmd[len] = '\0';
3665
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3666
            readline_add_completion(cur_mon->rs, cmd);
3667
        }
3668
        if (*p == '\0')
3669
            break;
3670
        p++;
3671
    }
3672
}
3673

    
3674
static void file_completion(const char *input)
3675
{
3676
    DIR *ffs;
3677
    struct dirent *d;
3678
    char path[1024];
3679
    char file[1024], file_prefix[1024];
3680
    int input_path_len;
3681
    const char *p;
3682

    
3683
    p = strrchr(input, '/');
3684
    if (!p) {
3685
        input_path_len = 0;
3686
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3687
        pstrcpy(path, sizeof(path), ".");
3688
    } else {
3689
        input_path_len = p - input + 1;
3690
        memcpy(path, input, input_path_len);
3691
        if (input_path_len > sizeof(path) - 1)
3692
            input_path_len = sizeof(path) - 1;
3693
        path[input_path_len] = '\0';
3694
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3695
    }
3696
#ifdef DEBUG_COMPLETION
3697
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3698
                   input, path, file_prefix);
3699
#endif
3700
    ffs = opendir(path);
3701
    if (!ffs)
3702
        return;
3703
    for(;;) {
3704
        struct stat sb;
3705
        d = readdir(ffs);
3706
        if (!d)
3707
            break;
3708
        if (strstart(d->d_name, file_prefix, NULL)) {
3709
            memcpy(file, input, input_path_len);
3710
            if (input_path_len < sizeof(file))
3711
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3712
                        d->d_name);
3713
            /* stat the file to find out if it's a directory.
3714
             * In that case add a slash to speed up typing long paths
3715
             */
3716
            stat(file, &sb);
3717
            if(S_ISDIR(sb.st_mode))
3718
                pstrcat(file, sizeof(file), "/");
3719
            readline_add_completion(cur_mon->rs, file);
3720
        }
3721
    }
3722
    closedir(ffs);
3723
}
3724

    
3725
static void block_completion_it(void *opaque, BlockDriverState *bs)
3726
{
3727
    const char *name = bdrv_get_device_name(bs);
3728
    const char *input = opaque;
3729

    
3730
    if (input[0] == '\0' ||
3731
        !strncmp(name, (char *)input, strlen(input))) {
3732
        readline_add_completion(cur_mon->rs, name);
3733
    }
3734
}
3735

    
3736
/* NOTE: this parser is an approximate form of the real command parser */
3737
static void parse_cmdline(const char *cmdline,
3738
                         int *pnb_args, char **args)
3739
{
3740
    const char *p;
3741
    int nb_args, ret;
3742
    char buf[1024];
3743

    
3744
    p = cmdline;
3745
    nb_args = 0;
3746
    for(;;) {
3747
        while (qemu_isspace(*p))
3748
            p++;
3749
        if (*p == '\0')
3750
            break;
3751
        if (nb_args >= MAX_ARGS)
3752
            break;
3753
        ret = get_str(buf, sizeof(buf), &p);
3754
        args[nb_args] = qemu_strdup(buf);
3755
        nb_args++;
3756
        if (ret < 0)
3757
            break;
3758
    }
3759
    *pnb_args = nb_args;
3760
}
3761

    
3762
static const char *next_arg_type(const char *typestr)
3763
{
3764
    const char *p = strchr(typestr, ':');
3765
    return (p != NULL ? ++p : typestr);
3766
}
3767

    
3768
static void monitor_find_completion(const char *cmdline)
3769
{
3770
    const char *cmdname;
3771
    char *args[MAX_ARGS];
3772
    int nb_args, i, len;
3773
    const char *ptype, *str;
3774
    const mon_cmd_t *cmd;
3775
    const KeyDef *key;
3776

    
3777
    parse_cmdline(cmdline, &nb_args, args);
3778
#ifdef DEBUG_COMPLETION
3779
    for(i = 0; i < nb_args; i++) {
3780
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3781
    }
3782
#endif
3783

    
3784
    /* if the line ends with a space, it means we want to complete the
3785
       next arg */
3786
    len = strlen(cmdline);
3787
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3788
        if (nb_args >= MAX_ARGS)
3789
            return;
3790
        args[nb_args++] = qemu_strdup("");
3791
    }
3792
    if (nb_args <= 1) {
3793
        /* command completion */
3794
        if (nb_args == 0)
3795
            cmdname = "";
3796
        else
3797
            cmdname = args[0];
3798
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3799
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3800
            cmd_completion(cmdname, cmd->name);
3801
        }
3802
    } else {
3803
        /* find the command */
3804
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3805
            if (compare_cmd(args[0], cmd->name))
3806
                goto found;
3807
        }
3808
        return;
3809
    found:
3810
        ptype = next_arg_type(cmd->args_type);
3811
        for(i = 0; i < nb_args - 2; i++) {
3812
            if (*ptype != '\0') {
3813
                ptype = next_arg_type(ptype);
3814
                while (*ptype == '?')
3815
                    ptype = next_arg_type(ptype);
3816
            }
3817
        }
3818
        str = args[nb_args - 1];
3819
        if (*ptype == '-' && ptype[1] != '\0') {
3820
            ptype += 2;
3821
        }
3822
        switch(*ptype) {
3823
        case 'F':
3824
            /* file completion */
3825
            readline_set_completion_index(cur_mon->rs, strlen(str));
3826
            file_completion(str);
3827
            break;
3828
        case 'B':
3829
            /* block device name completion */
3830
            readline_set_completion_index(cur_mon->rs, strlen(str));
3831
            bdrv_iterate(block_completion_it, (void *)str);
3832
            break;
3833
        case 's':
3834
            /* XXX: more generic ? */
3835
            if (!strcmp(cmd->name, "info")) {
3836
                readline_set_completion_index(cur_mon->rs, strlen(str));
3837
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3838
                    cmd_completion(str, cmd->name);
3839
                }
3840
            } else if (!strcmp(cmd->name, "sendkey")) {
3841
                char *sep = strrchr(str, '-');
3842
                if (sep)
3843
                    str = sep + 1;
3844
                readline_set_completion_index(cur_mon->rs, strlen(str));
3845
                for(key = key_defs; key->name != NULL; key++) {
3846
                    cmd_completion(str, key->name);
3847
                }
3848
            } else if (!strcmp(cmd->name, "help|?")) {
3849
                readline_set_completion_index(cur_mon->rs, strlen(str));
3850
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3851
                    cmd_completion(str, cmd->name);
3852
                }
3853
            }
3854
            break;
3855
        default:
3856
            break;
3857
        }
3858
    }
3859
    for(i = 0; i < nb_args; i++)
3860
        qemu_free(args[i]);
3861
}
3862

    
3863
static int monitor_can_read(void *opaque)
3864
{
3865
    Monitor *mon = opaque;
3866

    
3867
    return (mon->suspend_cnt == 0) ? 1 : 0;
3868
}
3869

    
3870
typedef struct CmdArgs {
3871
    QString *name;
3872
    int type;
3873
    int flag;
3874
    int optional;
3875
} CmdArgs;
3876

    
3877
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3878
{
3879
    if (!cmd_args->optional) {
3880
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3881
        return -1;
3882
    }
3883

    
3884
    if (cmd_args->type == '-') {
3885
        /* handlers expect a value, they need to be changed */
3886
        qdict_put(args, name, qint_from_int(0));
3887
    }
3888

    
3889
    return 0;
3890
}
3891

    
3892
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3893
{
3894
    QObject *value;
3895
    const char *name;
3896

    
3897
    name = qstring_get_str(cmd_args->name);
3898

    
3899
    if (!args) {
3900
        return check_opt(cmd_args, name, args);
3901
    }
3902

    
3903
    value = qdict_get(args, name);
3904
    if (!value) {
3905
        return check_opt(cmd_args, name, args);
3906
    }
3907

    
3908
    switch (cmd_args->type) {
3909
        case 'F':
3910
        case 'B':
3911
        case 's':
3912
            if (qobject_type(value) != QTYPE_QSTRING) {
3913
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3914
                return -1;
3915
            }
3916
            break;
3917
        case '/': {
3918
            int i;
3919
            const char *keys[] = { "count", "format", "size", NULL };
3920

    
3921
            for (i = 0; keys[i]; i++) {
3922
                QObject *obj = qdict_get(args, keys[i]);
3923
                if (!obj) {
3924
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3925
                    return -1;
3926
                }
3927
                if (qobject_type(obj) != QTYPE_QINT) {
3928
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3929
                    return -1;
3930
                }
3931
            }
3932
            break;
3933
        }
3934
        case 'i':
3935
        case 'l':
3936
            if (qobject_type(value) != QTYPE_QINT) {
3937
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3938
                return -1;
3939
            }
3940
            break;
3941
        case '-':
3942
            if (qobject_type(value) != QTYPE_QINT &&
3943
                qobject_type(value) != QTYPE_QBOOL) {
3944
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3945
                return -1;
3946
            }
3947
            if (qobject_type(value) == QTYPE_QBOOL) {
3948
                /* handlers expect a QInt, they need to be changed */
3949
                qdict_put(args, name,
3950
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3951
            }
3952
            break;
3953
        default:
3954
            /* impossible */
3955
            abort();
3956
    }
3957

    
3958
    return 0;
3959
}
3960

    
3961
static void cmd_args_init(CmdArgs *cmd_args)
3962
{
3963
    cmd_args->name = qstring_new();
3964
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3965
}
3966

    
3967
/*
3968
 * This is not trivial, we have to parse Monitor command's argument
3969
 * type syntax to be able to check the arguments provided by clients.
3970
 *
3971
 * In the near future we will be using an array for that and will be
3972
 * able to drop all this parsing...
3973
 */
3974
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3975
{
3976
    int err;
3977
    const char *p;
3978
    CmdArgs cmd_args;
3979

    
3980
    if (cmd->args_type == NULL) {
3981
        return (qdict_size(args) == 0 ? 0 : -1);
3982
    }
3983

    
3984
    err = 0;
3985
    cmd_args_init(&cmd_args);
3986

    
3987
    for (p = cmd->args_type;; p++) {
3988
        if (*p == ':') {
3989
            cmd_args.type = *++p;
3990
            p++;
3991
            if (cmd_args.type == '-') {
3992
                cmd_args.flag = *p++;
3993
                cmd_args.optional = 1;
3994
            } else if (*p == '?') {
3995
                cmd_args.optional = 1;
3996
                p++;
3997
            }
3998

    
3999
            assert(*p == ',' || *p == '\0');
4000
            err = check_arg(&cmd_args, args);
4001

    
4002
            QDECREF(cmd_args.name);
4003
            cmd_args_init(&cmd_args);
4004

    
4005
            if (err < 0) {
4006
                break;
4007
            }
4008
        } else {
4009
            qstring_append_chr(cmd_args.name, *p);
4010
        }
4011

    
4012
        if (*p == '\0') {
4013
            break;
4014
        }
4015
    }
4016

    
4017
    QDECREF(cmd_args.name);
4018
    return err;
4019
}
4020

    
4021
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4022
{
4023
    int err;
4024
    QObject *obj;
4025
    QDict *input, *args;
4026
    const mon_cmd_t *cmd;
4027
    Monitor *mon = cur_mon;
4028
    const char *cmd_name, *info_item;
4029

    
4030
    args = NULL;
4031
    qemu_errors_to_mon(mon);
4032

    
4033
    obj = json_parser_parse(tokens, NULL);
4034
    if (!obj) {
4035
        // FIXME: should be triggered in json_parser_parse()
4036
        qemu_error_new(QERR_JSON_PARSING);
4037
        goto err_out;
4038
    } else if (qobject_type(obj) != QTYPE_QDICT) {
4039
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4040
        qobject_decref(obj);
4041
        goto err_out;
4042
    }
4043

    
4044
    input = qobject_to_qdict(obj);
4045

    
4046
    mon->mc->id = qdict_get(input, "id");
4047
    qobject_incref(mon->mc->id);
4048

    
4049
    obj = qdict_get(input, "execute");
4050
    if (!obj) {
4051
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4052
        goto err_input;
4053
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
4054
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4055
        goto err_input;
4056
    }
4057

    
4058
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
4059

    
4060
    /*
4061
     * XXX: We need this special case until we get info handlers
4062
     * converted into 'query-' commands
4063
     */
4064
    if (compare_cmd(cmd_name, "info")) {
4065
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4066
        goto err_input;
4067
    } else if (strstart(cmd_name, "query-", &info_item)) {
4068
        cmd = monitor_find_command("info");
4069
        qdict_put_obj(input, "arguments",
4070
                      qobject_from_jsonf("{ 'item': %s }", info_item));
4071
    } else {
4072
        cmd = monitor_find_command(cmd_name);
4073
        if (!cmd || !monitor_handler_ported(cmd)) {
4074
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4075
            goto err_input;
4076
        }
4077
    }
4078

    
4079
    obj = qdict_get(input, "arguments");
4080
    if (!obj) {
4081
        args = qdict_new();
4082
    } else {
4083
        args = qobject_to_qdict(obj);
4084
        QINCREF(args);
4085
    }
4086

    
4087
    QDECREF(input);
4088

    
4089
    err = monitor_check_qmp_args(cmd, args);
4090
    if (err < 0) {
4091
        goto err_out;
4092
    }
4093

    
4094
    monitor_call_handler(mon, cmd, args);
4095
    goto out;
4096

    
4097
err_input:
4098
    QDECREF(input);
4099
err_out:
4100
    monitor_protocol_emitter(mon, NULL);
4101
out:
4102
    QDECREF(args);
4103
    qemu_errors_to_previous();
4104
}
4105

    
4106
/**
4107
 * monitor_control_read(): Read and handle QMP input
4108
 */
4109
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4110
{
4111
    Monitor *old_mon = cur_mon;
4112

    
4113
    cur_mon = opaque;
4114

    
4115
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4116

    
4117
    cur_mon = old_mon;
4118
}
4119

    
4120
static void monitor_read(void *opaque, const uint8_t *buf, int size)
4121
{
4122
    Monitor *old_mon = cur_mon;
4123
    int i;
4124

    
4125
    cur_mon = opaque;
4126

    
4127
    if (cur_mon->rs) {
4128
        for (i = 0; i < size; i++)
4129
            readline_handle_byte(cur_mon->rs, buf[i]);
4130
    } else {
4131
        if (size == 0 || buf[size - 1] != 0)
4132
            monitor_printf(cur_mon, "corrupted command\n");
4133
        else
4134
            handle_user_command(cur_mon, (char *)buf);
4135
    }
4136

    
4137
    cur_mon = old_mon;
4138
}
4139

    
4140
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4141
{
4142
    monitor_suspend(mon);
4143
    handle_user_command(mon, cmdline);
4144
    monitor_resume(mon);
4145
}
4146

    
4147
int monitor_suspend(Monitor *mon)
4148
{
4149
    if (!mon->rs)
4150
        return -ENOTTY;
4151
    mon->suspend_cnt++;
4152
    return 0;
4153
}
4154

    
4155
void monitor_resume(Monitor *mon)
4156
{
4157
    if (!mon->rs)
4158
        return;
4159
    if (--mon->suspend_cnt == 0)
4160
        readline_show_prompt(mon->rs);
4161
}
4162

    
4163
/**
4164
 * monitor_control_event(): Print QMP gretting
4165
 */
4166
static void monitor_control_event(void *opaque, int event)
4167
{
4168
    if (event == CHR_EVENT_OPENED) {
4169
        QObject *data;
4170
        Monitor *mon = opaque;
4171

    
4172
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4173

    
4174
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4175
        assert(data != NULL);
4176

    
4177
        monitor_json_emitter(mon, data);
4178
        qobject_decref(data);
4179
    }
4180
}
4181

    
4182
static void monitor_event(void *opaque, int event)
4183
{
4184
    Monitor *mon = opaque;
4185

    
4186
    switch (event) {
4187
    case CHR_EVENT_MUX_IN:
4188
        mon->mux_out = 0;
4189
        if (mon->reset_seen) {
4190
            readline_restart(mon->rs);
4191
            monitor_resume(mon);
4192
            monitor_flush(mon);
4193
        } else {
4194
            mon->suspend_cnt = 0;
4195
        }
4196
        break;
4197

    
4198
    case CHR_EVENT_MUX_OUT:
4199
        if (mon->reset_seen) {
4200
            if (mon->suspend_cnt == 0) {
4201
                monitor_printf(mon, "\n");
4202
            }
4203
            monitor_flush(mon);
4204
            monitor_suspend(mon);
4205
        } else {
4206
            mon->suspend_cnt++;
4207
        }
4208
        mon->mux_out = 1;
4209
        break;
4210

    
4211
    case CHR_EVENT_OPENED:
4212
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4213
                       "information\n", QEMU_VERSION);
4214
        if (!mon->mux_out) {
4215
            readline_show_prompt(mon->rs);
4216
        }
4217
        mon->reset_seen = 1;
4218
        break;
4219
    }
4220
}
4221

    
4222

    
4223
/*
4224
 * Local variables:
4225
 *  c-indent-level: 4
4226
 *  c-basic-offset: 4
4227
 *  tab-width: 8
4228
 * End:
4229
 */
4230

    
4231
void monitor_init(CharDriverState *chr, int flags)
4232
{
4233
    static int is_first_init = 1;
4234
    Monitor *mon;
4235

    
4236
    if (is_first_init) {
4237
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4238
        is_first_init = 0;
4239
    }
4240

    
4241
    mon = qemu_mallocz(sizeof(*mon));
4242

    
4243
    mon->chr = chr;
4244
    mon->flags = flags;
4245
    if (flags & MONITOR_USE_READLINE) {
4246
        mon->rs = readline_init(mon, monitor_find_completion);
4247
        monitor_read_command(mon, 0);
4248
    }
4249

    
4250
    if (monitor_ctrl_mode(mon)) {
4251
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4252
        /* Control mode requires special handlers */
4253
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4254
                              monitor_control_event, mon);
4255
    } else {
4256
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4257
                              monitor_event, mon);
4258
    }
4259

    
4260
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4261
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4262
        cur_mon = mon;
4263
}
4264

    
4265
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4266
{
4267
    BlockDriverState *bs = opaque;
4268
    int ret = 0;
4269

    
4270
    if (bdrv_set_key(bs, password) != 0) {
4271
        monitor_printf(mon, "invalid password\n");
4272
        ret = -EPERM;
4273
    }
4274
    if (mon->password_completion_cb)
4275
        mon->password_completion_cb(mon->password_opaque, ret);
4276

    
4277
    monitor_read_command(mon, 1);
4278
}
4279

    
4280
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4281
                                 BlockDriverCompletionFunc *completion_cb,
4282
                                 void *opaque)
4283
{
4284
    int err;
4285

    
4286
    if (!bdrv_key_required(bs)) {
4287
        if (completion_cb)
4288
            completion_cb(opaque, 0);
4289
        return;
4290
    }
4291

    
4292
    if (monitor_ctrl_mode(mon)) {
4293
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4294
        return;
4295
    }
4296

    
4297
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4298
                   bdrv_get_encrypted_filename(bs));
4299

    
4300
    mon->password_completion_cb = completion_cb;
4301
    mon->password_opaque = opaque;
4302

    
4303
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4304

    
4305
    if (err && completion_cb)
4306
        completion_cb(opaque, err);
4307
}
4308

    
4309
typedef struct QemuErrorSink QemuErrorSink;
4310
struct QemuErrorSink {
4311
    enum {
4312
        ERR_SINK_FILE,
4313
        ERR_SINK_MONITOR,
4314
    } dest;
4315
    union {
4316
        FILE    *fp;
4317
        Monitor *mon;
4318
    };
4319
    QemuErrorSink *previous;
4320
};
4321

    
4322
static QemuErrorSink *qemu_error_sink;
4323

    
4324
void qemu_errors_to_file(FILE *fp)
4325
{
4326
    QemuErrorSink *sink;
4327

    
4328
    sink = qemu_mallocz(sizeof(*sink));
4329
    sink->dest = ERR_SINK_FILE;
4330
    sink->fp = fp;
4331
    sink->previous = qemu_error_sink;
4332
    qemu_error_sink = sink;
4333
}
4334

    
4335
void qemu_errors_to_mon(Monitor *mon)
4336
{
4337
    QemuErrorSink *sink;
4338

    
4339
    sink = qemu_mallocz(sizeof(*sink));
4340
    sink->dest = ERR_SINK_MONITOR;
4341
    sink->mon = mon;
4342
    sink->previous = qemu_error_sink;
4343
    qemu_error_sink = sink;
4344
}
4345

    
4346
void qemu_errors_to_previous(void)
4347
{
4348
    QemuErrorSink *sink;
4349

    
4350
    assert(qemu_error_sink != NULL);
4351
    sink = qemu_error_sink;
4352
    qemu_error_sink = sink->previous;
4353
    qemu_free(sink);
4354
}
4355

    
4356
void qemu_error(const char *fmt, ...)
4357
{
4358
    va_list args;
4359

    
4360
    assert(qemu_error_sink != NULL);
4361
    switch (qemu_error_sink->dest) {
4362
    case ERR_SINK_FILE:
4363
        va_start(args, fmt);
4364
        vfprintf(qemu_error_sink->fp, fmt, args);
4365
        va_end(args);
4366
        break;
4367
    case ERR_SINK_MONITOR:
4368
        va_start(args, fmt);
4369
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4370
        va_end(args);
4371
        break;
4372
    }
4373
}
4374

    
4375
void qemu_error_internal(const char *file, int linenr, const char *func,
4376
                         const char *fmt, ...)
4377
{
4378
    va_list va;
4379
    QError *qerror;
4380

    
4381
    assert(qemu_error_sink != NULL);
4382

    
4383
    va_start(va, fmt);
4384
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4385
    va_end(va);
4386

    
4387
    switch (qemu_error_sink->dest) {
4388
    case ERR_SINK_FILE:
4389
        qerror_print(qerror);
4390
        QDECREF(qerror);
4391
        break;
4392
    case ERR_SINK_MONITOR:
4393
        assert(qemu_error_sink->mon->error == NULL);
4394
        qemu_error_sink->mon->error = qerror;
4395
        break;
4396
    }
4397
}