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

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

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

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

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

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

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

    
125
static QLIST_HEAD(mon_list, Monitor) mon_list;
126

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

    
130
Monitor *cur_mon = NULL;
131

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

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

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

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

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

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

    
177
    if (!mon)
178
        return;
179

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

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

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

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

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

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

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

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

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

    
260
static void monitor_print_qobject(Monitor *mon, const QObject *data)
261
{
262
    switch (qobject_type(data)) {
263
        case QTYPE_QSTRING:
264
            monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
265
            break;
266
        case QTYPE_QINT:
267
            monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
268
            break;
269
        default:
270
            monitor_printf(mon, "ERROR: unsupported type: %d",
271
                                                        qobject_type(data));
272
            break;
273
    }
274

    
275
    monitor_puts(mon, "\n");
276
}
277

    
278
static void monitor_json_emitter(Monitor *mon, const QObject *data)
279
{
280
    QString *json;
281

    
282
    json = qobject_to_json(data);
283
    assert(json != NULL);
284

    
285
    mon->mc->print_enabled = 1;
286
    monitor_printf(mon, "%s\n", qstring_get_str(json));
287
    mon->mc->print_enabled = 0;
288

    
289
    QDECREF(json);
290
}
291

    
292
static void monitor_protocol_emitter(Monitor *mon, QObject *data)
293
{
294
    QDict *qmp;
295

    
296
    qmp = qdict_new();
297

    
298
    if (!monitor_has_error(mon)) {
299
        /* success response */
300
        if (data) {
301
            qobject_incref(data);
302
            qdict_put_obj(qmp, "return", data);
303
        } else {
304
            qdict_put(qmp, "return", qstring_from_str("OK"));
305
        }
306
    } else {
307
        /* error response */
308
        qdict_put(qmp, "error", mon->error->error);
309
        QINCREF(mon->error->error);
310
        QDECREF(mon->error);
311
        mon->error = NULL;
312
    }
313

    
314
    if (mon->mc->id) {
315
        qdict_put_obj(qmp, "id", mon->mc->id);
316
        mon->mc->id = NULL;
317
    }
318

    
319
    monitor_json_emitter(mon, QOBJECT(qmp));
320
    QDECREF(qmp);
321
}
322

    
323
static void timestamp_put(QDict *qdict)
324
{
325
    int err;
326
    QObject *obj;
327
    qemu_timeval tv;
328

    
329
    err = qemu_gettimeofday(&tv);
330
    if (err < 0)
331
        return;
332

    
333
    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
334
                                "'microseconds': %" PRId64 " }",
335
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
336
    assert(obj != NULL);
337

    
338
    qdict_put_obj(qdict, "timestamp", obj);
339
}
340

    
341
/**
342
 * monitor_protocol_event(): Generate a Monitor event
343
 *
344
 * Event-specific data can be emitted through the (optional) 'data' parameter.
345
 */
346
void monitor_protocol_event(MonitorEvent event, QObject *data)
347
{
348
    QDict *qmp;
349
    const char *event_name;
350
    Monitor *mon = cur_mon;
351

    
352
    assert(event < QEVENT_MAX);
353

    
354
    if (!monitor_ctrl_mode(mon))
355
        return;
356

    
357
    switch (event) {
358
        case QEVENT_DEBUG:
359
            event_name = "DEBUG";
360
            break;
361
        case QEVENT_SHUTDOWN:
362
            event_name = "SHUTDOWN";
363
            break;
364
        case QEVENT_RESET:
365
            event_name = "RESET";
366
            break;
367
        case QEVENT_POWERDOWN:
368
            event_name = "POWERDOWN";
369
            break;
370
        case QEVENT_STOP:
371
            event_name = "STOP";
372
            break;
373
        default:
374
            abort();
375
            break;
376
    }
377

    
378
    qmp = qdict_new();
379
    timestamp_put(qmp);
380
    qdict_put(qmp, "event", qstring_from_str(event_name));
381
    if (data)
382
        qdict_put_obj(qmp, "data", data);
383

    
384
    monitor_json_emitter(mon, QOBJECT(qmp));
385
    QDECREF(qmp);
386
}
387

    
388
static int compare_cmd(const char *name, const char *list)
389
{
390
    const char *p, *pstart;
391
    int len;
392
    len = strlen(name);
393
    p = list;
394
    for(;;) {
395
        pstart = p;
396
        p = strchr(p, '|');
397
        if (!p)
398
            p = pstart + strlen(pstart);
399
        if ((p - pstart) == len && !memcmp(pstart, name, len))
400
            return 1;
401
        if (*p == '\0')
402
            break;
403
        p++;
404
    }
405
    return 0;
406
}
407

    
408
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
409
                          const char *prefix, const char *name)
410
{
411
    const mon_cmd_t *cmd;
412

    
413
    for(cmd = cmds; cmd->name != NULL; cmd++) {
414
        if (!name || !strcmp(name, cmd->name))
415
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
416
                           cmd->params, cmd->help);
417
    }
418
}
419

    
420
static void help_cmd(Monitor *mon, const char *name)
421
{
422
    if (name && !strcmp(name, "info")) {
423
        help_cmd_dump(mon, info_cmds, "info ", NULL);
424
    } else {
425
        help_cmd_dump(mon, mon_cmds, "", name);
426
        if (name && !strcmp(name, "log")) {
427
            const CPULogItem *item;
428
            monitor_printf(mon, "Log items (comma separated):\n");
429
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
430
            for(item = cpu_log_items; item->mask != 0; item++) {
431
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
432
            }
433
        }
434
    }
435
}
436

    
437
static void do_help_cmd(Monitor *mon, const QDict *qdict)
438
{
439
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
440
}
441

    
442
static void do_commit(Monitor *mon, const QDict *qdict)
443
{
444
    int all_devices;
445
    DriveInfo *dinfo;
446
    const char *device = qdict_get_str(qdict, "device");
447

    
448
    all_devices = !strcmp(device, "all");
449
    QTAILQ_FOREACH(dinfo, &drives, next) {
450
        if (!all_devices)
451
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
452
                continue;
453
        bdrv_commit(dinfo->bdrv);
454
    }
455
}
456

    
457
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
458
{
459
    const mon_cmd_t *cmd;
460
    const char *item = qdict_get_try_str(qdict, "item");
461

    
462
    if (!item) {
463
        assert(monitor_ctrl_mode(mon) == 0);
464
        goto help;
465
    }
466

    
467
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
468
        if (compare_cmd(item, cmd->name))
469
            break;
470
    }
471

    
472
    if (cmd->name == NULL) {
473
        if (monitor_ctrl_mode(mon)) {
474
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
475
            return;
476
        }
477
        goto help;
478
    }
479

    
480
    if (monitor_handler_ported(cmd)) {
481
        cmd->mhandler.info_new(mon, ret_data);
482

    
483
        if (!monitor_ctrl_mode(mon)) {
484
            /*
485
             * User Protocol function is called here, Monitor Protocol is
486
             * handled by monitor_call_handler()
487
             */
488
            if (*ret_data)
489
                cmd->user_print(mon, *ret_data);
490
        }
491
    } else {
492
        if (monitor_ctrl_mode(mon)) {
493
            /* handler not converted yet */
494
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
495
        } else {
496
            cmd->mhandler.info(mon);
497
        }
498
    }
499

    
500
    return;
501

    
502
help:
503
    help_cmd(mon, "info");
504
}
505

    
506
/**
507
 * do_info_version(): Show QEMU version
508
 */
509
static void do_info_version(Monitor *mon, QObject **ret_data)
510
{
511
    *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
512
}
513

    
514
static void do_info_name(Monitor *mon)
515
{
516
    if (qemu_name)
517
        monitor_printf(mon, "%s\n", qemu_name);
518
}
519

    
520
/**
521
 * do_info_commands(): List QMP available commands
522
 *
523
 * Return a QList of QStrings.
524
 */
525
static void do_info_commands(Monitor *mon, QObject **ret_data)
526
{
527
    QList *cmd_list;
528
    const mon_cmd_t *cmd;
529

    
530
    cmd_list = qlist_new();
531

    
532
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
533
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
534
            qlist_append(cmd_list, qstring_from_str(cmd->name));
535
        }
536
    }
537

    
538
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
539
        if (monitor_handler_ported(cmd)) {
540
            char buf[128];
541
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
542
            qlist_append(cmd_list, qstring_from_str(buf));
543
        }
544
    }
545

    
546
    *ret_data = QOBJECT(cmd_list);
547
}
548

    
549
#if defined(TARGET_I386)
550
static void do_info_hpet(Monitor *mon)
551
{
552
    monitor_printf(mon, "HPET is %s by QEMU\n",
553
                   (no_hpet) ? "disabled" : "enabled");
554
}
555
#endif
556

    
557
static void do_info_uuid(Monitor *mon)
558
{
559
    monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
560
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
561
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
562
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
563
                   qemu_uuid[14], qemu_uuid[15]);
564
}
565

    
566
/* get the current CPU defined by the user */
567
static int mon_set_cpu(int cpu_index)
568
{
569
    CPUState *env;
570

    
571
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
572
        if (env->cpu_index == cpu_index) {
573
            cur_mon->mon_cpu = env;
574
            return 0;
575
        }
576
    }
577
    return -1;
578
}
579

    
580
static CPUState *mon_get_cpu(void)
581
{
582
    if (!cur_mon->mon_cpu) {
583
        mon_set_cpu(0);
584
    }
585
    cpu_synchronize_state(cur_mon->mon_cpu);
586
    return cur_mon->mon_cpu;
587
}
588

    
589
static void do_info_registers(Monitor *mon)
590
{
591
    CPUState *env;
592
    env = mon_get_cpu();
593
    if (!env)
594
        return;
595
#ifdef TARGET_I386
596
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
597
                   X86_DUMP_FPU);
598
#else
599
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
600
                   0);
601
#endif
602
}
603

    
604
static void print_cpu_iter(QObject *obj, void *opaque)
605
{
606
    QDict *cpu;
607
    int active = ' ';
608
    Monitor *mon = opaque;
609

    
610
    assert(qobject_type(obj) == QTYPE_QDICT);
611
    cpu = qobject_to_qdict(obj);
612

    
613
    if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
614
        active = '*';
615

    
616
    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
617

    
618
#if defined(TARGET_I386)
619
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
620
                   (target_ulong) qdict_get_int(cpu, "pc"));
621
#elif defined(TARGET_PPC)
622
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
623
                   (target_long) qdict_get_int(cpu, "nip"));
624
#elif defined(TARGET_SPARC)
625
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
626
                   (target_long) qdict_get_int(cpu, "pc"));
627
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
628
                   (target_long) qdict_get_int(cpu, "npc"));
629
#elif defined(TARGET_MIPS)
630
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
631
                   (target_long) qdict_get_int(cpu, "PC"));
632
#endif
633

    
634
    if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
635
        monitor_printf(mon, " (halted)");
636

    
637
    monitor_printf(mon, "\n");
638
}
639

    
640
static void monitor_print_cpus(Monitor *mon, const QObject *data)
641
{
642
    QList *cpu_list;
643

    
644
    assert(qobject_type(data) == QTYPE_QLIST);
645
    cpu_list = qobject_to_qlist(data);
646
    qlist_iter(cpu_list, print_cpu_iter, mon);
647
}
648

    
649
/**
650
 * do_info_cpus(): Show CPU information
651
 *
652
 * Return a QList with a QDict for each CPU.
653
 *
654
 * For example:
655
 *
656
 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
657
 *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
658
 */
659
static void do_info_cpus(Monitor *mon, QObject **ret_data)
660
{
661
    CPUState *env;
662
    QList *cpu_list;
663

    
664
    cpu_list = qlist_new();
665

    
666
    /* just to set the default cpu if not already done */
667
    mon_get_cpu();
668

    
669
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
670
        const char *answer;
671
        QDict *cpu = qdict_new();
672

    
673
        cpu_synchronize_state(env);
674

    
675
        qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
676
        answer = (env == mon->mon_cpu) ? "yes" : "no";
677
        qdict_put(cpu, "current", qstring_from_str(answer));
678

    
679
#if defined(TARGET_I386)
680
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
681
#elif defined(TARGET_PPC)
682
        qdict_put(cpu, "nip", qint_from_int(env->nip));
683
#elif defined(TARGET_SPARC)
684
        qdict_put(cpu, "pc", qint_from_int(env->pc));
685
        qdict_put(cpu, "npc", qint_from_int(env->npc));
686
#elif defined(TARGET_MIPS)
687
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
688
#endif
689
        answer = env->halted ? "yes" : "no";
690
        qdict_put(cpu, "halted", qstring_from_str(answer));
691

    
692
        qlist_append(cpu_list, cpu);
693
    }
694

    
695
    *ret_data = QOBJECT(cpu_list);
696
}
697

    
698
static void do_cpu_set(Monitor *mon, const QDict *qdict)
699
{
700
    int index = qdict_get_int(qdict, "index");
701
    if (mon_set_cpu(index) < 0)
702
        monitor_printf(mon, "Invalid CPU index\n");
703
}
704

    
705
static void do_info_jit(Monitor *mon)
706
{
707
    dump_exec_info((FILE *)mon, monitor_fprintf);
708
}
709

    
710
static void do_info_history(Monitor *mon)
711
{
712
    int i;
713
    const char *str;
714

    
715
    if (!mon->rs)
716
        return;
717
    i = 0;
718
    for(;;) {
719
        str = readline_get_history(mon->rs, i);
720
        if (!str)
721
            break;
722
        monitor_printf(mon, "%d: '%s'\n", i, str);
723
        i++;
724
    }
725
}
726

    
727
#if defined(TARGET_PPC)
728
/* XXX: not implemented in other targets */
729
static void do_info_cpu_stats(Monitor *mon)
730
{
731
    CPUState *env;
732

    
733
    env = mon_get_cpu();
734
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
735
}
736
#endif
737

    
738
/**
739
 * do_quit(): Quit QEMU execution
740
 */
741
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
742
{
743
    exit(0);
744
}
745

    
746
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
747
{
748
    if (bdrv_is_inserted(bs)) {
749
        if (!force) {
750
            if (!bdrv_is_removable(bs)) {
751
                monitor_printf(mon, "device is not removable\n");
752
                return -1;
753
            }
754
            if (bdrv_is_locked(bs)) {
755
                monitor_printf(mon, "device is locked\n");
756
                return -1;
757
            }
758
        }
759
        bdrv_close(bs);
760
    }
761
    return 0;
762
}
763

    
764
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
765
{
766
    BlockDriverState *bs;
767
    int force = qdict_get_int(qdict, "force");
768
    const char *filename = qdict_get_str(qdict, "filename");
769

    
770
    bs = bdrv_find(filename);
771
    if (!bs) {
772
        monitor_printf(mon, "device not found\n");
773
        return;
774
    }
775
    eject_device(mon, bs, force);
776
}
777

    
778
static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
779
                                QObject **ret_data)
780
{
781
    BlockDriverState *bs;
782

    
783
    bs = bdrv_find(qdict_get_str(qdict, "device"));
784
    if (!bs) {
785
        qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
786
        return;
787
    }
788

    
789
    if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
790
        qemu_error_new(QERR_INVALID_PASSWORD);
791
    }
792
}
793

    
794
static void do_change_block(Monitor *mon, const char *device,
795
                            const char *filename, const char *fmt)
796
{
797
    BlockDriverState *bs;
798
    BlockDriver *drv = NULL;
799

    
800
    bs = bdrv_find(device);
801
    if (!bs) {
802
        monitor_printf(mon, "device not found\n");
803
        return;
804
    }
805
    if (fmt) {
806
        drv = bdrv_find_whitelisted_format(fmt);
807
        if (!drv) {
808
            monitor_printf(mon, "invalid format %s\n", fmt);
809
            return;
810
        }
811
    }
812
    if (eject_device(mon, bs, 0) < 0)
813
        return;
814
    bdrv_open2(bs, filename, 0, drv);
815
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
816
}
817

    
818
static void change_vnc_password_cb(Monitor *mon, const char *password,
819
                                   void *opaque)
820
{
821
    if (vnc_display_password(NULL, password) < 0)
822
        monitor_printf(mon, "could not set VNC server password\n");
823

    
824
    monitor_read_command(mon, 1);
825
}
826

    
827
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
828
{
829
    if (strcmp(target, "passwd") == 0 ||
830
        strcmp(target, "password") == 0) {
831
        if (arg) {
832
            char password[9];
833
            strncpy(password, arg, sizeof(password));
834
            password[sizeof(password) - 1] = '\0';
835
            change_vnc_password_cb(mon, password, NULL);
836
        } else {
837
            monitor_read_password(mon, change_vnc_password_cb, NULL);
838
        }
839
    } else {
840
        if (vnc_display_open(NULL, target) < 0)
841
            monitor_printf(mon, "could not start VNC server on %s\n", target);
842
    }
843
}
844

    
845
static void do_change(Monitor *mon, const QDict *qdict)
846
{
847
    const char *device = qdict_get_str(qdict, "device");
848
    const char *target = qdict_get_str(qdict, "target");
849
    const char *arg = qdict_get_try_str(qdict, "arg");
850
    if (strcmp(device, "vnc") == 0) {
851
        do_change_vnc(mon, target, arg);
852
    } else {
853
        do_change_block(mon, device, target, arg);
854
    }
855
}
856

    
857
static void do_screen_dump(Monitor *mon, const QDict *qdict)
858
{
859
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
860
}
861

    
862
static void do_logfile(Monitor *mon, const QDict *qdict)
863
{
864
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
865
}
866

    
867
static void do_log(Monitor *mon, const QDict *qdict)
868
{
869
    int mask;
870
    const char *items = qdict_get_str(qdict, "items");
871

    
872
    if (!strcmp(items, "none")) {
873
        mask = 0;
874
    } else {
875
        mask = cpu_str_to_log_mask(items);
876
        if (!mask) {
877
            help_cmd(mon, "log");
878
            return;
879
        }
880
    }
881
    cpu_set_log(mask);
882
}
883

    
884
static void do_singlestep(Monitor *mon, const QDict *qdict)
885
{
886
    const char *option = qdict_get_try_str(qdict, "option");
887
    if (!option || !strcmp(option, "on")) {
888
        singlestep = 1;
889
    } else if (!strcmp(option, "off")) {
890
        singlestep = 0;
891
    } else {
892
        monitor_printf(mon, "unexpected option %s\n", option);
893
    }
894
}
895

    
896
/**
897
 * do_stop(): Stop VM execution
898
 */
899
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
900
{
901
    vm_stop(EXCP_INTERRUPT);
902
}
903

    
904
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
905

    
906
struct bdrv_iterate_context {
907
    Monitor *mon;
908
    int err;
909
};
910

    
911
/**
912
 * do_cont(): Resume emulation.
913
 */
914
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
915
{
916
    struct bdrv_iterate_context context = { mon, 0 };
917

    
918
    bdrv_iterate(encrypted_bdrv_it, &context);
919
    /* only resume the vm if all keys are set and valid */
920
    if (!context.err)
921
        vm_start();
922
}
923

    
924
static void bdrv_key_cb(void *opaque, int err)
925
{
926
    Monitor *mon = opaque;
927

    
928
    /* another key was set successfully, retry to continue */
929
    if (!err)
930
        do_cont(mon, NULL, NULL);
931
}
932

    
933
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
934
{
935
    struct bdrv_iterate_context *context = opaque;
936

    
937
    if (!context->err && bdrv_key_required(bs)) {
938
        context->err = -EBUSY;
939
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
940
                                    context->mon);
941
    }
942
}
943

    
944
static void do_gdbserver(Monitor *mon, const QDict *qdict)
945
{
946
    const char *device = qdict_get_try_str(qdict, "device");
947
    if (!device)
948
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
949
    if (gdbserver_start(device) < 0) {
950
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
951
                       device);
952
    } else if (strcmp(device, "none") == 0) {
953
        monitor_printf(mon, "Disabled gdbserver\n");
954
    } else {
955
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
956
                       device);
957
    }
958
}
959

    
960
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
961
{
962
    const char *action = qdict_get_str(qdict, "action");
963
    if (select_watchdog_action(action) == -1) {
964
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
965
    }
966
}
967

    
968
static void monitor_printc(Monitor *mon, int c)
969
{
970
    monitor_printf(mon, "'");
971
    switch(c) {
972
    case '\'':
973
        monitor_printf(mon, "\\'");
974
        break;
975
    case '\\':
976
        monitor_printf(mon, "\\\\");
977
        break;
978
    case '\n':
979
        monitor_printf(mon, "\\n");
980
        break;
981
    case '\r':
982
        monitor_printf(mon, "\\r");
983
        break;
984
    default:
985
        if (c >= 32 && c <= 126) {
986
            monitor_printf(mon, "%c", c);
987
        } else {
988
            monitor_printf(mon, "\\x%02x", c);
989
        }
990
        break;
991
    }
992
    monitor_printf(mon, "'");
993
}
994

    
995
static void memory_dump(Monitor *mon, int count, int format, int wsize,
996
                        target_phys_addr_t addr, int is_physical)
997
{
998
    CPUState *env;
999
    int nb_per_line, l, line_size, i, max_digits, len;
1000
    uint8_t buf[16];
1001
    uint64_t v;
1002

    
1003
    if (format == 'i') {
1004
        int flags;
1005
        flags = 0;
1006
        env = mon_get_cpu();
1007
        if (!env && !is_physical)
1008
            return;
1009
#ifdef TARGET_I386
1010
        if (wsize == 2) {
1011
            flags = 1;
1012
        } else if (wsize == 4) {
1013
            flags = 0;
1014
        } else {
1015
            /* as default we use the current CS size */
1016
            flags = 0;
1017
            if (env) {
1018
#ifdef TARGET_X86_64
1019
                if ((env->efer & MSR_EFER_LMA) &&
1020
                    (env->segs[R_CS].flags & DESC_L_MASK))
1021
                    flags = 2;
1022
                else
1023
#endif
1024
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1025
                    flags = 1;
1026
            }
1027
        }
1028
#endif
1029
        monitor_disas(mon, env, addr, count, is_physical, flags);
1030
        return;
1031
    }
1032

    
1033
    len = wsize * count;
1034
    if (wsize == 1)
1035
        line_size = 8;
1036
    else
1037
        line_size = 16;
1038
    nb_per_line = line_size / wsize;
1039
    max_digits = 0;
1040

    
1041
    switch(format) {
1042
    case 'o':
1043
        max_digits = (wsize * 8 + 2) / 3;
1044
        break;
1045
    default:
1046
    case 'x':
1047
        max_digits = (wsize * 8) / 4;
1048
        break;
1049
    case 'u':
1050
    case 'd':
1051
        max_digits = (wsize * 8 * 10 + 32) / 33;
1052
        break;
1053
    case 'c':
1054
        wsize = 1;
1055
        break;
1056
    }
1057

    
1058
    while (len > 0) {
1059
        if (is_physical)
1060
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1061
        else
1062
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1063
        l = len;
1064
        if (l > line_size)
1065
            l = line_size;
1066
        if (is_physical) {
1067
            cpu_physical_memory_rw(addr, buf, l, 0);
1068
        } else {
1069
            env = mon_get_cpu();
1070
            if (!env)
1071
                break;
1072
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1073
                monitor_printf(mon, " Cannot access memory\n");
1074
                break;
1075
            }
1076
        }
1077
        i = 0;
1078
        while (i < l) {
1079
            switch(wsize) {
1080
            default:
1081
            case 1:
1082
                v = ldub_raw(buf + i);
1083
                break;
1084
            case 2:
1085
                v = lduw_raw(buf + i);
1086
                break;
1087
            case 4:
1088
                v = (uint32_t)ldl_raw(buf + i);
1089
                break;
1090
            case 8:
1091
                v = ldq_raw(buf + i);
1092
                break;
1093
            }
1094
            monitor_printf(mon, " ");
1095
            switch(format) {
1096
            case 'o':
1097
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1098
                break;
1099
            case 'x':
1100
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1101
                break;
1102
            case 'u':
1103
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1104
                break;
1105
            case 'd':
1106
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1107
                break;
1108
            case 'c':
1109
                monitor_printc(mon, v);
1110
                break;
1111
            }
1112
            i += wsize;
1113
        }
1114
        monitor_printf(mon, "\n");
1115
        addr += l;
1116
        len -= l;
1117
    }
1118
}
1119

    
1120
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1121
{
1122
    int count = qdict_get_int(qdict, "count");
1123
    int format = qdict_get_int(qdict, "format");
1124
    int size = qdict_get_int(qdict, "size");
1125
    target_long addr = qdict_get_int(qdict, "addr");
1126

    
1127
    memory_dump(mon, count, format, size, addr, 0);
1128
}
1129

    
1130
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1131
{
1132
    int count = qdict_get_int(qdict, "count");
1133
    int format = qdict_get_int(qdict, "format");
1134
    int size = qdict_get_int(qdict, "size");
1135
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1136

    
1137
    memory_dump(mon, count, format, size, addr, 1);
1138
}
1139

    
1140
static void do_print(Monitor *mon, const QDict *qdict)
1141
{
1142
    int format = qdict_get_int(qdict, "format");
1143
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1144

    
1145
#if TARGET_PHYS_ADDR_BITS == 32
1146
    switch(format) {
1147
    case 'o':
1148
        monitor_printf(mon, "%#o", val);
1149
        break;
1150
    case 'x':
1151
        monitor_printf(mon, "%#x", val);
1152
        break;
1153
    case 'u':
1154
        monitor_printf(mon, "%u", val);
1155
        break;
1156
    default:
1157
    case 'd':
1158
        monitor_printf(mon, "%d", val);
1159
        break;
1160
    case 'c':
1161
        monitor_printc(mon, val);
1162
        break;
1163
    }
1164
#else
1165
    switch(format) {
1166
    case 'o':
1167
        monitor_printf(mon, "%#" PRIo64, val);
1168
        break;
1169
    case 'x':
1170
        monitor_printf(mon, "%#" PRIx64, val);
1171
        break;
1172
    case 'u':
1173
        monitor_printf(mon, "%" PRIu64, val);
1174
        break;
1175
    default:
1176
    case 'd':
1177
        monitor_printf(mon, "%" PRId64, val);
1178
        break;
1179
    case 'c':
1180
        monitor_printc(mon, val);
1181
        break;
1182
    }
1183
#endif
1184
    monitor_printf(mon, "\n");
1185
}
1186

    
1187
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1188
{
1189
    FILE *f;
1190
    uint32_t size = qdict_get_int(qdict, "size");
1191
    const char *filename = qdict_get_str(qdict, "filename");
1192
    target_long addr = qdict_get_int(qdict, "val");
1193
    uint32_t l;
1194
    CPUState *env;
1195
    uint8_t buf[1024];
1196

    
1197
    env = mon_get_cpu();
1198
    if (!env)
1199
        return;
1200

    
1201
    f = fopen(filename, "wb");
1202
    if (!f) {
1203
        monitor_printf(mon, "could not open '%s'\n", filename);
1204
        return;
1205
    }
1206
    while (size != 0) {
1207
        l = sizeof(buf);
1208
        if (l > size)
1209
            l = size;
1210
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1211
        fwrite(buf, 1, l, f);
1212
        addr += l;
1213
        size -= l;
1214
    }
1215
    fclose(f);
1216
}
1217

    
1218
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1219
                                    QObject **ret_data)
1220
{
1221
    FILE *f;
1222
    uint32_t l;
1223
    uint8_t buf[1024];
1224
    uint32_t size = qdict_get_int(qdict, "size");
1225
    const char *filename = qdict_get_str(qdict, "filename");
1226
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1227

    
1228
    f = fopen(filename, "wb");
1229
    if (!f) {
1230
        monitor_printf(mon, "could not open '%s'\n", filename);
1231
        return;
1232
    }
1233
    while (size != 0) {
1234
        l = sizeof(buf);
1235
        if (l > size)
1236
            l = size;
1237
        cpu_physical_memory_rw(addr, buf, l, 0);
1238
        fwrite(buf, 1, l, f);
1239
        fflush(f);
1240
        addr += l;
1241
        size -= l;
1242
    }
1243
    fclose(f);
1244
}
1245

    
1246
static void do_sum(Monitor *mon, const QDict *qdict)
1247
{
1248
    uint32_t addr;
1249
    uint8_t buf[1];
1250
    uint16_t sum;
1251
    uint32_t start = qdict_get_int(qdict, "start");
1252
    uint32_t size = qdict_get_int(qdict, "size");
1253

    
1254
    sum = 0;
1255
    for(addr = start; addr < (start + size); addr++) {
1256
        cpu_physical_memory_rw(addr, buf, 1, 0);
1257
        /* BSD sum algorithm ('sum' Unix command) */
1258
        sum = (sum >> 1) | (sum << 15);
1259
        sum += buf[0];
1260
    }
1261
    monitor_printf(mon, "%05d\n", sum);
1262
}
1263

    
1264
typedef struct {
1265
    int keycode;
1266
    const char *name;
1267
} KeyDef;
1268

    
1269
static const KeyDef key_defs[] = {
1270
    { 0x2a, "shift" },
1271
    { 0x36, "shift_r" },
1272

    
1273
    { 0x38, "alt" },
1274
    { 0xb8, "alt_r" },
1275
    { 0x64, "altgr" },
1276
    { 0xe4, "altgr_r" },
1277
    { 0x1d, "ctrl" },
1278
    { 0x9d, "ctrl_r" },
1279

    
1280
    { 0xdd, "menu" },
1281

    
1282
    { 0x01, "esc" },
1283

    
1284
    { 0x02, "1" },
1285
    { 0x03, "2" },
1286
    { 0x04, "3" },
1287
    { 0x05, "4" },
1288
    { 0x06, "5" },
1289
    { 0x07, "6" },
1290
    { 0x08, "7" },
1291
    { 0x09, "8" },
1292
    { 0x0a, "9" },
1293
    { 0x0b, "0" },
1294
    { 0x0c, "minus" },
1295
    { 0x0d, "equal" },
1296
    { 0x0e, "backspace" },
1297

    
1298
    { 0x0f, "tab" },
1299
    { 0x10, "q" },
1300
    { 0x11, "w" },
1301
    { 0x12, "e" },
1302
    { 0x13, "r" },
1303
    { 0x14, "t" },
1304
    { 0x15, "y" },
1305
    { 0x16, "u" },
1306
    { 0x17, "i" },
1307
    { 0x18, "o" },
1308
    { 0x19, "p" },
1309

    
1310
    { 0x1c, "ret" },
1311

    
1312
    { 0x1e, "a" },
1313
    { 0x1f, "s" },
1314
    { 0x20, "d" },
1315
    { 0x21, "f" },
1316
    { 0x22, "g" },
1317
    { 0x23, "h" },
1318
    { 0x24, "j" },
1319
    { 0x25, "k" },
1320
    { 0x26, "l" },
1321

    
1322
    { 0x2c, "z" },
1323
    { 0x2d, "x" },
1324
    { 0x2e, "c" },
1325
    { 0x2f, "v" },
1326
    { 0x30, "b" },
1327
    { 0x31, "n" },
1328
    { 0x32, "m" },
1329
    { 0x33, "comma" },
1330
    { 0x34, "dot" },
1331
    { 0x35, "slash" },
1332

    
1333
    { 0x37, "asterisk" },
1334

    
1335
    { 0x39, "spc" },
1336
    { 0x3a, "caps_lock" },
1337
    { 0x3b, "f1" },
1338
    { 0x3c, "f2" },
1339
    { 0x3d, "f3" },
1340
    { 0x3e, "f4" },
1341
    { 0x3f, "f5" },
1342
    { 0x40, "f6" },
1343
    { 0x41, "f7" },
1344
    { 0x42, "f8" },
1345
    { 0x43, "f9" },
1346
    { 0x44, "f10" },
1347
    { 0x45, "num_lock" },
1348
    { 0x46, "scroll_lock" },
1349

    
1350
    { 0xb5, "kp_divide" },
1351
    { 0x37, "kp_multiply" },
1352
    { 0x4a, "kp_subtract" },
1353
    { 0x4e, "kp_add" },
1354
    { 0x9c, "kp_enter" },
1355
    { 0x53, "kp_decimal" },
1356
    { 0x54, "sysrq" },
1357

    
1358
    { 0x52, "kp_0" },
1359
    { 0x4f, "kp_1" },
1360
    { 0x50, "kp_2" },
1361
    { 0x51, "kp_3" },
1362
    { 0x4b, "kp_4" },
1363
    { 0x4c, "kp_5" },
1364
    { 0x4d, "kp_6" },
1365
    { 0x47, "kp_7" },
1366
    { 0x48, "kp_8" },
1367
    { 0x49, "kp_9" },
1368

    
1369
    { 0x56, "<" },
1370

    
1371
    { 0x57, "f11" },
1372
    { 0x58, "f12" },
1373

    
1374
    { 0xb7, "print" },
1375

    
1376
    { 0xc7, "home" },
1377
    { 0xc9, "pgup" },
1378
    { 0xd1, "pgdn" },
1379
    { 0xcf, "end" },
1380

    
1381
    { 0xcb, "left" },
1382
    { 0xc8, "up" },
1383
    { 0xd0, "down" },
1384
    { 0xcd, "right" },
1385

    
1386
    { 0xd2, "insert" },
1387
    { 0xd3, "delete" },
1388
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1389
    { 0xf0, "stop" },
1390
    { 0xf1, "again" },
1391
    { 0xf2, "props" },
1392
    { 0xf3, "undo" },
1393
    { 0xf4, "front" },
1394
    { 0xf5, "copy" },
1395
    { 0xf6, "open" },
1396
    { 0xf7, "paste" },
1397
    { 0xf8, "find" },
1398
    { 0xf9, "cut" },
1399
    { 0xfa, "lf" },
1400
    { 0xfb, "help" },
1401
    { 0xfc, "meta_l" },
1402
    { 0xfd, "meta_r" },
1403
    { 0xfe, "compose" },
1404
#endif
1405
    { 0, NULL },
1406
};
1407

    
1408
static int get_keycode(const char *key)
1409
{
1410
    const KeyDef *p;
1411
    char *endp;
1412
    int ret;
1413

    
1414
    for(p = key_defs; p->name != NULL; p++) {
1415
        if (!strcmp(key, p->name))
1416
            return p->keycode;
1417
    }
1418
    if (strstart(key, "0x", NULL)) {
1419
        ret = strtoul(key, &endp, 0);
1420
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1421
            return ret;
1422
    }
1423
    return -1;
1424
}
1425

    
1426
#define MAX_KEYCODES 16
1427
static uint8_t keycodes[MAX_KEYCODES];
1428
static int nb_pending_keycodes;
1429
static QEMUTimer *key_timer;
1430

    
1431
static void release_keys(void *opaque)
1432
{
1433
    int keycode;
1434

    
1435
    while (nb_pending_keycodes > 0) {
1436
        nb_pending_keycodes--;
1437
        keycode = keycodes[nb_pending_keycodes];
1438
        if (keycode & 0x80)
1439
            kbd_put_keycode(0xe0);
1440
        kbd_put_keycode(keycode | 0x80);
1441
    }
1442
}
1443

    
1444
static void do_sendkey(Monitor *mon, const QDict *qdict)
1445
{
1446
    char keyname_buf[16];
1447
    char *separator;
1448
    int keyname_len, keycode, i;
1449
    const char *string = qdict_get_str(qdict, "string");
1450
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1451
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1452

    
1453
    if (nb_pending_keycodes > 0) {
1454
        qemu_del_timer(key_timer);
1455
        release_keys(NULL);
1456
    }
1457
    if (!has_hold_time)
1458
        hold_time = 100;
1459
    i = 0;
1460
    while (1) {
1461
        separator = strchr(string, '-');
1462
        keyname_len = separator ? separator - string : strlen(string);
1463
        if (keyname_len > 0) {
1464
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1465
            if (keyname_len > sizeof(keyname_buf) - 1) {
1466
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1467
                return;
1468
            }
1469
            if (i == MAX_KEYCODES) {
1470
                monitor_printf(mon, "too many keys\n");
1471
                return;
1472
            }
1473
            keyname_buf[keyname_len] = 0;
1474
            keycode = get_keycode(keyname_buf);
1475
            if (keycode < 0) {
1476
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1477
                return;
1478
            }
1479
            keycodes[i++] = keycode;
1480
        }
1481
        if (!separator)
1482
            break;
1483
        string = separator + 1;
1484
    }
1485
    nb_pending_keycodes = i;
1486
    /* key down events */
1487
    for (i = 0; i < nb_pending_keycodes; i++) {
1488
        keycode = keycodes[i];
1489
        if (keycode & 0x80)
1490
            kbd_put_keycode(0xe0);
1491
        kbd_put_keycode(keycode & 0x7f);
1492
    }
1493
    /* delayed key up events */
1494
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1495
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1496
}
1497

    
1498
static int mouse_button_state;
1499

    
1500
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1501
{
1502
    int dx, dy, dz;
1503
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1504
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1505
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1506
    dx = strtol(dx_str, NULL, 0);
1507
    dy = strtol(dy_str, NULL, 0);
1508
    dz = 0;
1509
    if (dz_str)
1510
        dz = strtol(dz_str, NULL, 0);
1511
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1512
}
1513

    
1514
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1515
{
1516
    int button_state = qdict_get_int(qdict, "button_state");
1517
    mouse_button_state = button_state;
1518
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1519
}
1520

    
1521
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1522
{
1523
    int size = qdict_get_int(qdict, "size");
1524
    int addr = qdict_get_int(qdict, "addr");
1525
    int has_index = qdict_haskey(qdict, "index");
1526
    uint32_t val;
1527
    int suffix;
1528

    
1529
    if (has_index) {
1530
        int index = qdict_get_int(qdict, "index");
1531
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1532
        addr++;
1533
    }
1534
    addr &= 0xffff;
1535

    
1536
    switch(size) {
1537
    default:
1538
    case 1:
1539
        val = cpu_inb(addr);
1540
        suffix = 'b';
1541
        break;
1542
    case 2:
1543
        val = cpu_inw(addr);
1544
        suffix = 'w';
1545
        break;
1546
    case 4:
1547
        val = cpu_inl(addr);
1548
        suffix = 'l';
1549
        break;
1550
    }
1551
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1552
                   suffix, addr, size * 2, val);
1553
}
1554

    
1555
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1556
{
1557
    int size = qdict_get_int(qdict, "size");
1558
    int addr = qdict_get_int(qdict, "addr");
1559
    int val = qdict_get_int(qdict, "val");
1560

    
1561
    addr &= IOPORTS_MASK;
1562

    
1563
    switch (size) {
1564
    default:
1565
    case 1:
1566
        cpu_outb(addr, val);
1567
        break;
1568
    case 2:
1569
        cpu_outw(addr, val);
1570
        break;
1571
    case 4:
1572
        cpu_outl(addr, val);
1573
        break;
1574
    }
1575
}
1576

    
1577
static void do_boot_set(Monitor *mon, const QDict *qdict)
1578
{
1579
    int res;
1580
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1581

    
1582
    res = qemu_boot_set(bootdevice);
1583
    if (res == 0) {
1584
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1585
    } else if (res > 0) {
1586
        monitor_printf(mon, "setting boot device list failed\n");
1587
    } else {
1588
        monitor_printf(mon, "no function defined to set boot device list for "
1589
                       "this architecture\n");
1590
    }
1591
}
1592

    
1593
/**
1594
 * do_system_reset(): Issue a machine reset
1595
 */
1596
static void do_system_reset(Monitor *mon, const QDict *qdict,
1597
                            QObject **ret_data)
1598
{
1599
    qemu_system_reset_request();
1600
}
1601

    
1602
/**
1603
 * do_system_powerdown(): Issue a machine powerdown
1604
 */
1605
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1606
                                QObject **ret_data)
1607
{
1608
    qemu_system_powerdown_request();
1609
}
1610

    
1611
#if defined(TARGET_I386)
1612
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1613
{
1614
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1615
                   addr,
1616
                   pte & mask,
1617
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1618
                   pte & PG_PSE_MASK ? 'P' : '-',
1619
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1620
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1621
                   pte & PG_PCD_MASK ? 'C' : '-',
1622
                   pte & PG_PWT_MASK ? 'T' : '-',
1623
                   pte & PG_USER_MASK ? 'U' : '-',
1624
                   pte & PG_RW_MASK ? 'W' : '-');
1625
}
1626

    
1627
static void tlb_info(Monitor *mon)
1628
{
1629
    CPUState *env;
1630
    int l1, l2;
1631
    uint32_t pgd, pde, pte;
1632

    
1633
    env = mon_get_cpu();
1634
    if (!env)
1635
        return;
1636

    
1637
    if (!(env->cr[0] & CR0_PG_MASK)) {
1638
        monitor_printf(mon, "PG disabled\n");
1639
        return;
1640
    }
1641
    pgd = env->cr[3] & ~0xfff;
1642
    for(l1 = 0; l1 < 1024; l1++) {
1643
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1644
        pde = le32_to_cpu(pde);
1645
        if (pde & PG_PRESENT_MASK) {
1646
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1647
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1648
            } else {
1649
                for(l2 = 0; l2 < 1024; l2++) {
1650
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1651
                                             (uint8_t *)&pte, 4);
1652
                    pte = le32_to_cpu(pte);
1653
                    if (pte & PG_PRESENT_MASK) {
1654
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1655
                                  pte & ~PG_PSE_MASK,
1656
                                  ~0xfff);
1657
                    }
1658
                }
1659
            }
1660
        }
1661
    }
1662
}
1663

    
1664
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1665
                      uint32_t end, int prot)
1666
{
1667
    int prot1;
1668
    prot1 = *plast_prot;
1669
    if (prot != prot1) {
1670
        if (*pstart != -1) {
1671
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1672
                           *pstart, end, end - *pstart,
1673
                           prot1 & PG_USER_MASK ? 'u' : '-',
1674
                           'r',
1675
                           prot1 & PG_RW_MASK ? 'w' : '-');
1676
        }
1677
        if (prot != 0)
1678
            *pstart = end;
1679
        else
1680
            *pstart = -1;
1681
        *plast_prot = prot;
1682
    }
1683
}
1684

    
1685
static void mem_info(Monitor *mon)
1686
{
1687
    CPUState *env;
1688
    int l1, l2, prot, last_prot;
1689
    uint32_t pgd, pde, pte, start, end;
1690

    
1691
    env = mon_get_cpu();
1692
    if (!env)
1693
        return;
1694

    
1695
    if (!(env->cr[0] & CR0_PG_MASK)) {
1696
        monitor_printf(mon, "PG disabled\n");
1697
        return;
1698
    }
1699
    pgd = env->cr[3] & ~0xfff;
1700
    last_prot = 0;
1701
    start = -1;
1702
    for(l1 = 0; l1 < 1024; l1++) {
1703
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1704
        pde = le32_to_cpu(pde);
1705
        end = l1 << 22;
1706
        if (pde & PG_PRESENT_MASK) {
1707
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1708
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1709
                mem_print(mon, &start, &last_prot, end, prot);
1710
            } else {
1711
                for(l2 = 0; l2 < 1024; l2++) {
1712
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1713
                                             (uint8_t *)&pte, 4);
1714
                    pte = le32_to_cpu(pte);
1715
                    end = (l1 << 22) + (l2 << 12);
1716
                    if (pte & PG_PRESENT_MASK) {
1717
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1718
                    } else {
1719
                        prot = 0;
1720
                    }
1721
                    mem_print(mon, &start, &last_prot, end, prot);
1722
                }
1723
            }
1724
        } else {
1725
            prot = 0;
1726
            mem_print(mon, &start, &last_prot, end, prot);
1727
        }
1728
    }
1729
}
1730
#endif
1731

    
1732
#if defined(TARGET_SH4)
1733

    
1734
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1735
{
1736
    monitor_printf(mon, " tlb%i:\t"
1737
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1738
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1739
                   "dirty=%hhu writethrough=%hhu\n",
1740
                   idx,
1741
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1742
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1743
                   tlb->d, tlb->wt);
1744
}
1745

    
1746
static void tlb_info(Monitor *mon)
1747
{
1748
    CPUState *env = mon_get_cpu();
1749
    int i;
1750

    
1751
    monitor_printf (mon, "ITLB:\n");
1752
    for (i = 0 ; i < ITLB_SIZE ; i++)
1753
        print_tlb (mon, i, &env->itlb[i]);
1754
    monitor_printf (mon, "UTLB:\n");
1755
    for (i = 0 ; i < UTLB_SIZE ; i++)
1756
        print_tlb (mon, i, &env->utlb[i]);
1757
}
1758

    
1759
#endif
1760

    
1761
static void do_info_kvm(Monitor *mon)
1762
{
1763
#ifdef CONFIG_KVM
1764
    monitor_printf(mon, "kvm support: ");
1765
    if (kvm_enabled())
1766
        monitor_printf(mon, "enabled\n");
1767
    else
1768
        monitor_printf(mon, "disabled\n");
1769
#else
1770
    monitor_printf(mon, "kvm support: not compiled\n");
1771
#endif
1772
}
1773

    
1774
static void do_info_numa(Monitor *mon)
1775
{
1776
    int i;
1777
    CPUState *env;
1778

    
1779
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1780
    for (i = 0; i < nb_numa_nodes; i++) {
1781
        monitor_printf(mon, "node %d cpus:", i);
1782
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1783
            if (env->numa_node == i) {
1784
                monitor_printf(mon, " %d", env->cpu_index);
1785
            }
1786
        }
1787
        monitor_printf(mon, "\n");
1788
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1789
            node_mem[i] >> 20);
1790
    }
1791
}
1792

    
1793
#ifdef CONFIG_PROFILER
1794

    
1795
int64_t qemu_time;
1796
int64_t dev_time;
1797

    
1798
static void do_info_profile(Monitor *mon)
1799
{
1800
    int64_t total;
1801
    total = qemu_time;
1802
    if (total == 0)
1803
        total = 1;
1804
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1805
                   dev_time, dev_time / (double)get_ticks_per_sec());
1806
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1807
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1808
    qemu_time = 0;
1809
    dev_time = 0;
1810
}
1811
#else
1812
static void do_info_profile(Monitor *mon)
1813
{
1814
    monitor_printf(mon, "Internal profiler not compiled\n");
1815
}
1816
#endif
1817

    
1818
/* Capture support */
1819
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1820

    
1821
static void do_info_capture(Monitor *mon)
1822
{
1823
    int i;
1824
    CaptureState *s;
1825

    
1826
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1827
        monitor_printf(mon, "[%d]: ", i);
1828
        s->ops.info (s->opaque);
1829
    }
1830
}
1831

    
1832
#ifdef HAS_AUDIO
1833
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1834
{
1835
    int i;
1836
    int n = qdict_get_int(qdict, "n");
1837
    CaptureState *s;
1838

    
1839
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1840
        if (i == n) {
1841
            s->ops.destroy (s->opaque);
1842
            QLIST_REMOVE (s, entries);
1843
            qemu_free (s);
1844
            return;
1845
        }
1846
    }
1847
}
1848

    
1849
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1850
{
1851
    const char *path = qdict_get_str(qdict, "path");
1852
    int has_freq = qdict_haskey(qdict, "freq");
1853
    int freq = qdict_get_try_int(qdict, "freq", -1);
1854
    int has_bits = qdict_haskey(qdict, "bits");
1855
    int bits = qdict_get_try_int(qdict, "bits", -1);
1856
    int has_channels = qdict_haskey(qdict, "nchannels");
1857
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1858
    CaptureState *s;
1859

    
1860
    s = qemu_mallocz (sizeof (*s));
1861

    
1862
    freq = has_freq ? freq : 44100;
1863
    bits = has_bits ? bits : 16;
1864
    nchannels = has_channels ? nchannels : 2;
1865

    
1866
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1867
        monitor_printf(mon, "Faied to add wave capture\n");
1868
        qemu_free (s);
1869
    }
1870
    QLIST_INSERT_HEAD (&capture_head, s, entries);
1871
}
1872
#endif
1873

    
1874
#if defined(TARGET_I386)
1875
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1876
{
1877
    CPUState *env;
1878
    int cpu_index = qdict_get_int(qdict, "cpu_index");
1879

    
1880
    for (env = first_cpu; env != NULL; env = env->next_cpu)
1881
        if (env->cpu_index == cpu_index) {
1882
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
1883
            break;
1884
        }
1885
}
1886
#endif
1887

    
1888
static void do_info_status(Monitor *mon)
1889
{
1890
    if (vm_running) {
1891
        if (singlestep) {
1892
            monitor_printf(mon, "VM status: running (single step mode)\n");
1893
        } else {
1894
            monitor_printf(mon, "VM status: running\n");
1895
        }
1896
    } else
1897
       monitor_printf(mon, "VM status: paused\n");
1898
}
1899

    
1900
/**
1901
 * do_balloon(): Request VM to change its memory allocation
1902
 */
1903
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1904
{
1905
    int value = qdict_get_int(qdict, "value");
1906
    ram_addr_t target = value;
1907
    qemu_balloon(target << 20);
1908
}
1909

    
1910
static void monitor_print_balloon(Monitor *mon, const QObject *data)
1911
{
1912
    monitor_printf(mon, "balloon: actual=%d\n",
1913
                                     (int)qint_get_int(qobject_to_qint(data)));
1914
}
1915

    
1916
/**
1917
 * do_info_balloon(): Balloon information
1918
 */
1919
static void do_info_balloon(Monitor *mon, QObject **ret_data)
1920
{
1921
    ram_addr_t actual;
1922

    
1923
    actual = qemu_balloon_status();
1924
    if (kvm_enabled() && !kvm_has_sync_mmu())
1925
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1926
    else if (actual == 0)
1927
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1928
    else
1929
        *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1930
}
1931

    
1932
static qemu_acl *find_acl(Monitor *mon, const char *name)
1933
{
1934
    qemu_acl *acl = qemu_acl_find(name);
1935

    
1936
    if (!acl) {
1937
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1938
    }
1939
    return acl;
1940
}
1941

    
1942
static void do_acl_show(Monitor *mon, const QDict *qdict)
1943
{
1944
    const char *aclname = qdict_get_str(qdict, "aclname");
1945
    qemu_acl *acl = find_acl(mon, aclname);
1946
    qemu_acl_entry *entry;
1947
    int i = 0;
1948

    
1949
    if (acl) {
1950
        monitor_printf(mon, "policy: %s\n",
1951
                       acl->defaultDeny ? "deny" : "allow");
1952
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1953
            i++;
1954
            monitor_printf(mon, "%d: %s %s\n", i,
1955
                           entry->deny ? "deny" : "allow", entry->match);
1956
        }
1957
    }
1958
}
1959

    
1960
static void do_acl_reset(Monitor *mon, const QDict *qdict)
1961
{
1962
    const char *aclname = qdict_get_str(qdict, "aclname");
1963
    qemu_acl *acl = find_acl(mon, aclname);
1964

    
1965
    if (acl) {
1966
        qemu_acl_reset(acl);
1967
        monitor_printf(mon, "acl: removed all rules\n");
1968
    }
1969
}
1970

    
1971
static void do_acl_policy(Monitor *mon, const QDict *qdict)
1972
{
1973
    const char *aclname = qdict_get_str(qdict, "aclname");
1974
    const char *policy = qdict_get_str(qdict, "policy");
1975
    qemu_acl *acl = find_acl(mon, aclname);
1976

    
1977
    if (acl) {
1978
        if (strcmp(policy, "allow") == 0) {
1979
            acl->defaultDeny = 0;
1980
            monitor_printf(mon, "acl: policy set to 'allow'\n");
1981
        } else if (strcmp(policy, "deny") == 0) {
1982
            acl->defaultDeny = 1;
1983
            monitor_printf(mon, "acl: policy set to 'deny'\n");
1984
        } else {
1985
            monitor_printf(mon, "acl: unknown policy '%s', "
1986
                           "expected 'deny' or 'allow'\n", policy);
1987
        }
1988
    }
1989
}
1990

    
1991
static void do_acl_add(Monitor *mon, const QDict *qdict)
1992
{
1993
    const char *aclname = qdict_get_str(qdict, "aclname");
1994
    const char *match = qdict_get_str(qdict, "match");
1995
    const char *policy = qdict_get_str(qdict, "policy");
1996
    int has_index = qdict_haskey(qdict, "index");
1997
    int index = qdict_get_try_int(qdict, "index", -1);
1998
    qemu_acl *acl = find_acl(mon, aclname);
1999
    int deny, ret;
2000

    
2001
    if (acl) {
2002
        if (strcmp(policy, "allow") == 0) {
2003
            deny = 0;
2004
        } else if (strcmp(policy, "deny") == 0) {
2005
            deny = 1;
2006
        } else {
2007
            monitor_printf(mon, "acl: unknown policy '%s', "
2008
                           "expected 'deny' or 'allow'\n", policy);
2009
            return;
2010
        }
2011
        if (has_index)
2012
            ret = qemu_acl_insert(acl, deny, match, index);
2013
        else
2014
            ret = qemu_acl_append(acl, deny, match);
2015
        if (ret < 0)
2016
            monitor_printf(mon, "acl: unable to add acl entry\n");
2017
        else
2018
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2019
    }
2020
}
2021

    
2022
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2023
{
2024
    const char *aclname = qdict_get_str(qdict, "aclname");
2025
    const char *match = qdict_get_str(qdict, "match");
2026
    qemu_acl *acl = find_acl(mon, aclname);
2027
    int ret;
2028

    
2029
    if (acl) {
2030
        ret = qemu_acl_remove(acl, match);
2031
        if (ret < 0)
2032
            monitor_printf(mon, "acl: no matching acl entry\n");
2033
        else
2034
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2035
    }
2036
}
2037

    
2038
#if defined(TARGET_I386)
2039
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2040
{
2041
    CPUState *cenv;
2042
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2043
    int bank = qdict_get_int(qdict, "bank");
2044
    uint64_t status = qdict_get_int(qdict, "status");
2045
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2046
    uint64_t addr = qdict_get_int(qdict, "addr");
2047
    uint64_t misc = qdict_get_int(qdict, "misc");
2048

    
2049
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2050
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2051
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2052
            break;
2053
        }
2054
}
2055
#endif
2056

    
2057
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2058
{
2059
    const char *fdname = qdict_get_str(qdict, "fdname");
2060
    mon_fd_t *monfd;
2061
    int fd;
2062

    
2063
    fd = qemu_chr_get_msgfd(mon->chr);
2064
    if (fd == -1) {
2065
        monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2066
        return;
2067
    }
2068

    
2069
    if (qemu_isdigit(fdname[0])) {
2070
        monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2071
        return;
2072
    }
2073

    
2074
    fd = dup(fd);
2075
    if (fd == -1) {
2076
        monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2077
                       strerror(errno));
2078
        return;
2079
    }
2080

    
2081
    QLIST_FOREACH(monfd, &mon->fds, next) {
2082
        if (strcmp(monfd->name, fdname) != 0) {
2083
            continue;
2084
        }
2085

    
2086
        close(monfd->fd);
2087
        monfd->fd = fd;
2088
        return;
2089
    }
2090

    
2091
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2092
    monfd->name = qemu_strdup(fdname);
2093
    monfd->fd = fd;
2094

    
2095
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2096
}
2097

    
2098
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2099
{
2100
    const char *fdname = qdict_get_str(qdict, "fdname");
2101
    mon_fd_t *monfd;
2102

    
2103
    QLIST_FOREACH(monfd, &mon->fds, next) {
2104
        if (strcmp(monfd->name, fdname) != 0) {
2105
            continue;
2106
        }
2107

    
2108
        QLIST_REMOVE(monfd, next);
2109
        close(monfd->fd);
2110
        qemu_free(monfd->name);
2111
        qemu_free(monfd);
2112
        return;
2113
    }
2114

    
2115
    monitor_printf(mon, "Failed to find file descriptor named %s\n",
2116
                   fdname);
2117
}
2118

    
2119
static void do_loadvm(Monitor *mon, const QDict *qdict)
2120
{
2121
    int saved_vm_running  = vm_running;
2122
    const char *name = qdict_get_str(qdict, "name");
2123

    
2124
    vm_stop(0);
2125

    
2126
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2127
        vm_start();
2128
}
2129

    
2130
int monitor_get_fd(Monitor *mon, const char *fdname)
2131
{
2132
    mon_fd_t *monfd;
2133

    
2134
    QLIST_FOREACH(monfd, &mon->fds, next) {
2135
        int fd;
2136

    
2137
        if (strcmp(monfd->name, fdname) != 0) {
2138
            continue;
2139
        }
2140

    
2141
        fd = monfd->fd;
2142

    
2143
        /* caller takes ownership of fd */
2144
        QLIST_REMOVE(monfd, next);
2145
        qemu_free(monfd->name);
2146
        qemu_free(monfd);
2147

    
2148
        return fd;
2149
    }
2150

    
2151
    return -1;
2152
}
2153

    
2154
static const mon_cmd_t mon_cmds[] = {
2155
#include "qemu-monitor.h"
2156
    { NULL, NULL, },
2157
};
2158

    
2159
/* Please update qemu-monitor.hx when adding or changing commands */
2160
static const mon_cmd_t info_cmds[] = {
2161
    {
2162
        .name       = "version",
2163
        .args_type  = "",
2164
        .params     = "",
2165
        .help       = "show the version of QEMU",
2166
        .user_print = monitor_print_qobject,
2167
        .mhandler.info_new = do_info_version,
2168
    },
2169
    {
2170
        .name       = "commands",
2171
        .args_type  = "",
2172
        .params     = "",
2173
        .help       = "list QMP available commands",
2174
        .user_print = monitor_user_noop,
2175
        .mhandler.info_new = do_info_commands,
2176
    },
2177
    {
2178
        .name       = "network",
2179
        .args_type  = "",
2180
        .params     = "",
2181
        .help       = "show the network state",
2182
        .mhandler.info = do_info_network,
2183
    },
2184
    {
2185
        .name       = "chardev",
2186
        .args_type  = "",
2187
        .params     = "",
2188
        .help       = "show the character devices",
2189
        .mhandler.info = qemu_chr_info,
2190
    },
2191
    {
2192
        .name       = "block",
2193
        .args_type  = "",
2194
        .params     = "",
2195
        .help       = "show the block devices",
2196
        .mhandler.info = bdrv_info,
2197
    },
2198
    {
2199
        .name       = "blockstats",
2200
        .args_type  = "",
2201
        .params     = "",
2202
        .help       = "show block device statistics",
2203
        .mhandler.info = bdrv_info_stats,
2204
    },
2205
    {
2206
        .name       = "registers",
2207
        .args_type  = "",
2208
        .params     = "",
2209
        .help       = "show the cpu registers",
2210
        .mhandler.info = do_info_registers,
2211
    },
2212
    {
2213
        .name       = "cpus",
2214
        .args_type  = "",
2215
        .params     = "",
2216
        .help       = "show infos for each CPU",
2217
        .user_print = monitor_print_cpus,
2218
        .mhandler.info_new = do_info_cpus,
2219
    },
2220
    {
2221
        .name       = "history",
2222
        .args_type  = "",
2223
        .params     = "",
2224
        .help       = "show the command line history",
2225
        .mhandler.info = do_info_history,
2226
    },
2227
    {
2228
        .name       = "irq",
2229
        .args_type  = "",
2230
        .params     = "",
2231
        .help       = "show the interrupts statistics (if available)",
2232
        .mhandler.info = irq_info,
2233
    },
2234
    {
2235
        .name       = "pic",
2236
        .args_type  = "",
2237
        .params     = "",
2238
        .help       = "show i8259 (PIC) state",
2239
        .mhandler.info = pic_info,
2240
    },
2241
    {
2242
        .name       = "pci",
2243
        .args_type  = "",
2244
        .params     = "",
2245
        .help       = "show PCI info",
2246
        .mhandler.info = pci_info,
2247
    },
2248
#if defined(TARGET_I386) || defined(TARGET_SH4)
2249
    {
2250
        .name       = "tlb",
2251
        .args_type  = "",
2252
        .params     = "",
2253
        .help       = "show virtual to physical memory mappings",
2254
        .mhandler.info = tlb_info,
2255
    },
2256
#endif
2257
#if defined(TARGET_I386)
2258
    {
2259
        .name       = "mem",
2260
        .args_type  = "",
2261
        .params     = "",
2262
        .help       = "show the active virtual memory mappings",
2263
        .mhandler.info = mem_info,
2264
    },
2265
    {
2266
        .name       = "hpet",
2267
        .args_type  = "",
2268
        .params     = "",
2269
        .help       = "show state of HPET",
2270
        .mhandler.info = do_info_hpet,
2271
    },
2272
#endif
2273
    {
2274
        .name       = "jit",
2275
        .args_type  = "",
2276
        .params     = "",
2277
        .help       = "show dynamic compiler info",
2278
        .mhandler.info = do_info_jit,
2279
    },
2280
    {
2281
        .name       = "kvm",
2282
        .args_type  = "",
2283
        .params     = "",
2284
        .help       = "show KVM information",
2285
        .mhandler.info = do_info_kvm,
2286
    },
2287
    {
2288
        .name       = "numa",
2289
        .args_type  = "",
2290
        .params     = "",
2291
        .help       = "show NUMA information",
2292
        .mhandler.info = do_info_numa,
2293
    },
2294
    {
2295
        .name       = "usb",
2296
        .args_type  = "",
2297
        .params     = "",
2298
        .help       = "show guest USB devices",
2299
        .mhandler.info = usb_info,
2300
    },
2301
    {
2302
        .name       = "usbhost",
2303
        .args_type  = "",
2304
        .params     = "",
2305
        .help       = "show host USB devices",
2306
        .mhandler.info = usb_host_info,
2307
    },
2308
    {
2309
        .name       = "profile",
2310
        .args_type  = "",
2311
        .params     = "",
2312
        .help       = "show profiling information",
2313
        .mhandler.info = do_info_profile,
2314
    },
2315
    {
2316
        .name       = "capture",
2317
        .args_type  = "",
2318
        .params     = "",
2319
        .help       = "show capture information",
2320
        .mhandler.info = do_info_capture,
2321
    },
2322
    {
2323
        .name       = "snapshots",
2324
        .args_type  = "",
2325
        .params     = "",
2326
        .help       = "show the currently saved VM snapshots",
2327
        .mhandler.info = do_info_snapshots,
2328
    },
2329
    {
2330
        .name       = "status",
2331
        .args_type  = "",
2332
        .params     = "",
2333
        .help       = "show the current VM status (running|paused)",
2334
        .mhandler.info = do_info_status,
2335
    },
2336
    {
2337
        .name       = "pcmcia",
2338
        .args_type  = "",
2339
        .params     = "",
2340
        .help       = "show guest PCMCIA status",
2341
        .mhandler.info = pcmcia_info,
2342
    },
2343
    {
2344
        .name       = "mice",
2345
        .args_type  = "",
2346
        .params     = "",
2347
        .help       = "show which guest mouse is receiving events",
2348
        .mhandler.info = do_info_mice,
2349
    },
2350
    {
2351
        .name       = "vnc",
2352
        .args_type  = "",
2353
        .params     = "",
2354
        .help       = "show the vnc server status",
2355
        .mhandler.info = do_info_vnc,
2356
    },
2357
    {
2358
        .name       = "name",
2359
        .args_type  = "",
2360
        .params     = "",
2361
        .help       = "show the current VM name",
2362
        .mhandler.info = do_info_name,
2363
    },
2364
    {
2365
        .name       = "uuid",
2366
        .args_type  = "",
2367
        .params     = "",
2368
        .help       = "show the current VM UUID",
2369
        .mhandler.info = do_info_uuid,
2370
    },
2371
#if defined(TARGET_PPC)
2372
    {
2373
        .name       = "cpustats",
2374
        .args_type  = "",
2375
        .params     = "",
2376
        .help       = "show CPU statistics",
2377
        .mhandler.info = do_info_cpu_stats,
2378
    },
2379
#endif
2380
#if defined(CONFIG_SLIRP)
2381
    {
2382
        .name       = "usernet",
2383
        .args_type  = "",
2384
        .params     = "",
2385
        .help       = "show user network stack connection states",
2386
        .mhandler.info = do_info_usernet,
2387
    },
2388
#endif
2389
    {
2390
        .name       = "migrate",
2391
        .args_type  = "",
2392
        .params     = "",
2393
        .help       = "show migration status",
2394
        .mhandler.info = do_info_migrate,
2395
    },
2396
    {
2397
        .name       = "balloon",
2398
        .args_type  = "",
2399
        .params     = "",
2400
        .help       = "show balloon information",
2401
        .user_print = monitor_print_balloon,
2402
        .mhandler.info_new = do_info_balloon,
2403
    },
2404
    {
2405
        .name       = "qtree",
2406
        .args_type  = "",
2407
        .params     = "",
2408
        .help       = "show device tree",
2409
        .mhandler.info = do_info_qtree,
2410
    },
2411
    {
2412
        .name       = "qdm",
2413
        .args_type  = "",
2414
        .params     = "",
2415
        .help       = "show qdev device model list",
2416
        .mhandler.info = do_info_qdm,
2417
    },
2418
    {
2419
        .name       = "roms",
2420
        .args_type  = "",
2421
        .params     = "",
2422
        .help       = "show roms",
2423
        .mhandler.info = do_info_roms,
2424
    },
2425
    {
2426
        .name       = NULL,
2427
    },
2428
};
2429

    
2430
/*******************************************************************/
2431

    
2432
static const char *pch;
2433
static jmp_buf expr_env;
2434

    
2435
#define MD_TLONG 0
2436
#define MD_I32   1
2437

    
2438
typedef struct MonitorDef {
2439
    const char *name;
2440
    int offset;
2441
    target_long (*get_value)(const struct MonitorDef *md, int val);
2442
    int type;
2443
} MonitorDef;
2444

    
2445
#if defined(TARGET_I386)
2446
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2447
{
2448
    CPUState *env = mon_get_cpu();
2449
    if (!env)
2450
        return 0;
2451
    return env->eip + env->segs[R_CS].base;
2452
}
2453
#endif
2454

    
2455
#if defined(TARGET_PPC)
2456
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2457
{
2458
    CPUState *env = mon_get_cpu();
2459
    unsigned int u;
2460
    int i;
2461

    
2462
    if (!env)
2463
        return 0;
2464

    
2465
    u = 0;
2466
    for (i = 0; i < 8; i++)
2467
        u |= env->crf[i] << (32 - (4 * i));
2468

    
2469
    return u;
2470
}
2471

    
2472
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2473
{
2474
    CPUState *env = mon_get_cpu();
2475
    if (!env)
2476
        return 0;
2477
    return env->msr;
2478
}
2479

    
2480
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2481
{
2482
    CPUState *env = mon_get_cpu();
2483
    if (!env)
2484
        return 0;
2485
    return env->xer;
2486
}
2487

    
2488
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2489
{
2490
    CPUState *env = mon_get_cpu();
2491
    if (!env)
2492
        return 0;
2493
    return cpu_ppc_load_decr(env);
2494
}
2495

    
2496
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2497
{
2498
    CPUState *env = mon_get_cpu();
2499
    if (!env)
2500
        return 0;
2501
    return cpu_ppc_load_tbu(env);
2502
}
2503

    
2504
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2505
{
2506
    CPUState *env = mon_get_cpu();
2507
    if (!env)
2508
        return 0;
2509
    return cpu_ppc_load_tbl(env);
2510
}
2511
#endif
2512

    
2513
#if defined(TARGET_SPARC)
2514
#ifndef TARGET_SPARC64
2515
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2516
{
2517
    CPUState *env = mon_get_cpu();
2518
    if (!env)
2519
        return 0;
2520
    return GET_PSR(env);
2521
}
2522
#endif
2523

    
2524
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2525
{
2526
    CPUState *env = mon_get_cpu();
2527
    if (!env)
2528
        return 0;
2529
    return env->regwptr[val];
2530
}
2531
#endif
2532

    
2533
static const MonitorDef monitor_defs[] = {
2534
#ifdef TARGET_I386
2535

    
2536
#define SEG(name, seg) \
2537
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2538
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2539
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2540

    
2541
    { "eax", offsetof(CPUState, regs[0]) },
2542
    { "ecx", offsetof(CPUState, regs[1]) },
2543
    { "edx", offsetof(CPUState, regs[2]) },
2544
    { "ebx", offsetof(CPUState, regs[3]) },
2545
    { "esp|sp", offsetof(CPUState, regs[4]) },
2546
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2547
    { "esi", offsetof(CPUState, regs[6]) },
2548
    { "edi", offsetof(CPUState, regs[7]) },
2549
#ifdef TARGET_X86_64
2550
    { "r8", offsetof(CPUState, regs[8]) },
2551
    { "r9", offsetof(CPUState, regs[9]) },
2552
    { "r10", offsetof(CPUState, regs[10]) },
2553
    { "r11", offsetof(CPUState, regs[11]) },
2554
    { "r12", offsetof(CPUState, regs[12]) },
2555
    { "r13", offsetof(CPUState, regs[13]) },
2556
    { "r14", offsetof(CPUState, regs[14]) },
2557
    { "r15", offsetof(CPUState, regs[15]) },
2558
#endif
2559
    { "eflags", offsetof(CPUState, eflags) },
2560
    { "eip", offsetof(CPUState, eip) },
2561
    SEG("cs", R_CS)
2562
    SEG("ds", R_DS)
2563
    SEG("es", R_ES)
2564
    SEG("ss", R_SS)
2565
    SEG("fs", R_FS)
2566
    SEG("gs", R_GS)
2567
    { "pc", 0, monitor_get_pc, },
2568
#elif defined(TARGET_PPC)
2569
    /* General purpose registers */
2570
    { "r0", offsetof(CPUState, gpr[0]) },
2571
    { "r1", offsetof(CPUState, gpr[1]) },
2572
    { "r2", offsetof(CPUState, gpr[2]) },
2573
    { "r3", offsetof(CPUState, gpr[3]) },
2574
    { "r4", offsetof(CPUState, gpr[4]) },
2575
    { "r5", offsetof(CPUState, gpr[5]) },
2576
    { "r6", offsetof(CPUState, gpr[6]) },
2577
    { "r7", offsetof(CPUState, gpr[7]) },
2578
    { "r8", offsetof(CPUState, gpr[8]) },
2579
    { "r9", offsetof(CPUState, gpr[9]) },
2580
    { "r10", offsetof(CPUState, gpr[10]) },
2581
    { "r11", offsetof(CPUState, gpr[11]) },
2582
    { "r12", offsetof(CPUState, gpr[12]) },
2583
    { "r13", offsetof(CPUState, gpr[13]) },
2584
    { "r14", offsetof(CPUState, gpr[14]) },
2585
    { "r15", offsetof(CPUState, gpr[15]) },
2586
    { "r16", offsetof(CPUState, gpr[16]) },
2587
    { "r17", offsetof(CPUState, gpr[17]) },
2588
    { "r18", offsetof(CPUState, gpr[18]) },
2589
    { "r19", offsetof(CPUState, gpr[19]) },
2590
    { "r20", offsetof(CPUState, gpr[20]) },
2591
    { "r21", offsetof(CPUState, gpr[21]) },
2592
    { "r22", offsetof(CPUState, gpr[22]) },
2593
    { "r23", offsetof(CPUState, gpr[23]) },
2594
    { "r24", offsetof(CPUState, gpr[24]) },
2595
    { "r25", offsetof(CPUState, gpr[25]) },
2596
    { "r26", offsetof(CPUState, gpr[26]) },
2597
    { "r27", offsetof(CPUState, gpr[27]) },
2598
    { "r28", offsetof(CPUState, gpr[28]) },
2599
    { "r29", offsetof(CPUState, gpr[29]) },
2600
    { "r30", offsetof(CPUState, gpr[30]) },
2601
    { "r31", offsetof(CPUState, gpr[31]) },
2602
    /* Floating point registers */
2603
    { "f0", offsetof(CPUState, fpr[0]) },
2604
    { "f1", offsetof(CPUState, fpr[1]) },
2605
    { "f2", offsetof(CPUState, fpr[2]) },
2606
    { "f3", offsetof(CPUState, fpr[3]) },
2607
    { "f4", offsetof(CPUState, fpr[4]) },
2608
    { "f5", offsetof(CPUState, fpr[5]) },
2609
    { "f6", offsetof(CPUState, fpr[6]) },
2610
    { "f7", offsetof(CPUState, fpr[7]) },
2611
    { "f8", offsetof(CPUState, fpr[8]) },
2612
    { "f9", offsetof(CPUState, fpr[9]) },
2613
    { "f10", offsetof(CPUState, fpr[10]) },
2614
    { "f11", offsetof(CPUState, fpr[11]) },
2615
    { "f12", offsetof(CPUState, fpr[12]) },
2616
    { "f13", offsetof(CPUState, fpr[13]) },
2617
    { "f14", offsetof(CPUState, fpr[14]) },
2618
    { "f15", offsetof(CPUState, fpr[15]) },
2619
    { "f16", offsetof(CPUState, fpr[16]) },
2620
    { "f17", offsetof(CPUState, fpr[17]) },
2621
    { "f18", offsetof(CPUState, fpr[18]) },
2622
    { "f19", offsetof(CPUState, fpr[19]) },
2623
    { "f20", offsetof(CPUState, fpr[20]) },
2624
    { "f21", offsetof(CPUState, fpr[21]) },
2625
    { "f22", offsetof(CPUState, fpr[22]) },
2626
    { "f23", offsetof(CPUState, fpr[23]) },
2627
    { "f24", offsetof(CPUState, fpr[24]) },
2628
    { "f25", offsetof(CPUState, fpr[25]) },
2629
    { "f26", offsetof(CPUState, fpr[26]) },
2630
    { "f27", offsetof(CPUState, fpr[27]) },
2631
    { "f28", offsetof(CPUState, fpr[28]) },
2632
    { "f29", offsetof(CPUState, fpr[29]) },
2633
    { "f30", offsetof(CPUState, fpr[30]) },
2634
    { "f31", offsetof(CPUState, fpr[31]) },
2635
    { "fpscr", offsetof(CPUState, fpscr) },
2636
    /* Next instruction pointer */
2637
    { "nip|pc", offsetof(CPUState, nip) },
2638
    { "lr", offsetof(CPUState, lr) },
2639
    { "ctr", offsetof(CPUState, ctr) },
2640
    { "decr", 0, &monitor_get_decr, },
2641
    { "ccr", 0, &monitor_get_ccr, },
2642
    /* Machine state register */
2643
    { "msr", 0, &monitor_get_msr, },
2644
    { "xer", 0, &monitor_get_xer, },
2645
    { "tbu", 0, &monitor_get_tbu, },
2646
    { "tbl", 0, &monitor_get_tbl, },
2647
#if defined(TARGET_PPC64)
2648
    /* Address space register */
2649
    { "asr", offsetof(CPUState, asr) },
2650
#endif
2651
    /* Segment registers */
2652
    { "sdr1", offsetof(CPUState, sdr1) },
2653
    { "sr0", offsetof(CPUState, sr[0]) },
2654
    { "sr1", offsetof(CPUState, sr[1]) },
2655
    { "sr2", offsetof(CPUState, sr[2]) },
2656
    { "sr3", offsetof(CPUState, sr[3]) },
2657
    { "sr4", offsetof(CPUState, sr[4]) },
2658
    { "sr5", offsetof(CPUState, sr[5]) },
2659
    { "sr6", offsetof(CPUState, sr[6]) },
2660
    { "sr7", offsetof(CPUState, sr[7]) },
2661
    { "sr8", offsetof(CPUState, sr[8]) },
2662
    { "sr9", offsetof(CPUState, sr[9]) },
2663
    { "sr10", offsetof(CPUState, sr[10]) },
2664
    { "sr11", offsetof(CPUState, sr[11]) },
2665
    { "sr12", offsetof(CPUState, sr[12]) },
2666
    { "sr13", offsetof(CPUState, sr[13]) },
2667
    { "sr14", offsetof(CPUState, sr[14]) },
2668
    { "sr15", offsetof(CPUState, sr[15]) },
2669
    /* Too lazy to put BATs and SPRs ... */
2670
#elif defined(TARGET_SPARC)
2671
    { "g0", offsetof(CPUState, gregs[0]) },
2672
    { "g1", offsetof(CPUState, gregs[1]) },
2673
    { "g2", offsetof(CPUState, gregs[2]) },
2674
    { "g3", offsetof(CPUState, gregs[3]) },
2675
    { "g4", offsetof(CPUState, gregs[4]) },
2676
    { "g5", offsetof(CPUState, gregs[5]) },
2677
    { "g6", offsetof(CPUState, gregs[6]) },
2678
    { "g7", offsetof(CPUState, gregs[7]) },
2679
    { "o0", 0, monitor_get_reg },
2680
    { "o1", 1, monitor_get_reg },
2681
    { "o2", 2, monitor_get_reg },
2682
    { "o3", 3, monitor_get_reg },
2683
    { "o4", 4, monitor_get_reg },
2684
    { "o5", 5, monitor_get_reg },
2685
    { "o6", 6, monitor_get_reg },
2686
    { "o7", 7, monitor_get_reg },
2687
    { "l0", 8, monitor_get_reg },
2688
    { "l1", 9, monitor_get_reg },
2689
    { "l2", 10, monitor_get_reg },
2690
    { "l3", 11, monitor_get_reg },
2691
    { "l4", 12, monitor_get_reg },
2692
    { "l5", 13, monitor_get_reg },
2693
    { "l6", 14, monitor_get_reg },
2694
    { "l7", 15, monitor_get_reg },
2695
    { "i0", 16, monitor_get_reg },
2696
    { "i1", 17, monitor_get_reg },
2697
    { "i2", 18, monitor_get_reg },
2698
    { "i3", 19, monitor_get_reg },
2699
    { "i4", 20, monitor_get_reg },
2700
    { "i5", 21, monitor_get_reg },
2701
    { "i6", 22, monitor_get_reg },
2702
    { "i7", 23, monitor_get_reg },
2703
    { "pc", offsetof(CPUState, pc) },
2704
    { "npc", offsetof(CPUState, npc) },
2705
    { "y", offsetof(CPUState, y) },
2706
#ifndef TARGET_SPARC64
2707
    { "psr", 0, &monitor_get_psr, },
2708
    { "wim", offsetof(CPUState, wim) },
2709
#endif
2710
    { "tbr", offsetof(CPUState, tbr) },
2711
    { "fsr", offsetof(CPUState, fsr) },
2712
    { "f0", offsetof(CPUState, fpr[0]) },
2713
    { "f1", offsetof(CPUState, fpr[1]) },
2714
    { "f2", offsetof(CPUState, fpr[2]) },
2715
    { "f3", offsetof(CPUState, fpr[3]) },
2716
    { "f4", offsetof(CPUState, fpr[4]) },
2717
    { "f5", offsetof(CPUState, fpr[5]) },
2718
    { "f6", offsetof(CPUState, fpr[6]) },
2719
    { "f7", offsetof(CPUState, fpr[7]) },
2720
    { "f8", offsetof(CPUState, fpr[8]) },
2721
    { "f9", offsetof(CPUState, fpr[9]) },
2722
    { "f10", offsetof(CPUState, fpr[10]) },
2723
    { "f11", offsetof(CPUState, fpr[11]) },
2724
    { "f12", offsetof(CPUState, fpr[12]) },
2725
    { "f13", offsetof(CPUState, fpr[13]) },
2726
    { "f14", offsetof(CPUState, fpr[14]) },
2727
    { "f15", offsetof(CPUState, fpr[15]) },
2728
    { "f16", offsetof(CPUState, fpr[16]) },
2729
    { "f17", offsetof(CPUState, fpr[17]) },
2730
    { "f18", offsetof(CPUState, fpr[18]) },
2731
    { "f19", offsetof(CPUState, fpr[19]) },
2732
    { "f20", offsetof(CPUState, fpr[20]) },
2733
    { "f21", offsetof(CPUState, fpr[21]) },
2734
    { "f22", offsetof(CPUState, fpr[22]) },
2735
    { "f23", offsetof(CPUState, fpr[23]) },
2736
    { "f24", offsetof(CPUState, fpr[24]) },
2737
    { "f25", offsetof(CPUState, fpr[25]) },
2738
    { "f26", offsetof(CPUState, fpr[26]) },
2739
    { "f27", offsetof(CPUState, fpr[27]) },
2740
    { "f28", offsetof(CPUState, fpr[28]) },
2741
    { "f29", offsetof(CPUState, fpr[29]) },
2742
    { "f30", offsetof(CPUState, fpr[30]) },
2743
    { "f31", offsetof(CPUState, fpr[31]) },
2744
#ifdef TARGET_SPARC64
2745
    { "f32", offsetof(CPUState, fpr[32]) },
2746
    { "f34", offsetof(CPUState, fpr[34]) },
2747
    { "f36", offsetof(CPUState, fpr[36]) },
2748
    { "f38", offsetof(CPUState, fpr[38]) },
2749
    { "f40", offsetof(CPUState, fpr[40]) },
2750
    { "f42", offsetof(CPUState, fpr[42]) },
2751
    { "f44", offsetof(CPUState, fpr[44]) },
2752
    { "f46", offsetof(CPUState, fpr[46]) },
2753
    { "f48", offsetof(CPUState, fpr[48]) },
2754
    { "f50", offsetof(CPUState, fpr[50]) },
2755
    { "f52", offsetof(CPUState, fpr[52]) },
2756
    { "f54", offsetof(CPUState, fpr[54]) },
2757
    { "f56", offsetof(CPUState, fpr[56]) },
2758
    { "f58", offsetof(CPUState, fpr[58]) },
2759
    { "f60", offsetof(CPUState, fpr[60]) },
2760
    { "f62", offsetof(CPUState, fpr[62]) },
2761
    { "asi", offsetof(CPUState, asi) },
2762
    { "pstate", offsetof(CPUState, pstate) },
2763
    { "cansave", offsetof(CPUState, cansave) },
2764
    { "canrestore", offsetof(CPUState, canrestore) },
2765
    { "otherwin", offsetof(CPUState, otherwin) },
2766
    { "wstate", offsetof(CPUState, wstate) },
2767
    { "cleanwin", offsetof(CPUState, cleanwin) },
2768
    { "fprs", offsetof(CPUState, fprs) },
2769
#endif
2770
#endif
2771
    { NULL },
2772
};
2773

    
2774
static void expr_error(Monitor *mon, const char *msg)
2775
{
2776
    monitor_printf(mon, "%s\n", msg);
2777
    longjmp(expr_env, 1);
2778
}
2779

    
2780
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2781
static int get_monitor_def(target_long *pval, const char *name)
2782
{
2783
    const MonitorDef *md;
2784
    void *ptr;
2785

    
2786
    for(md = monitor_defs; md->name != NULL; md++) {
2787
        if (compare_cmd(name, md->name)) {
2788
            if (md->get_value) {
2789
                *pval = md->get_value(md, md->offset);
2790
            } else {
2791
                CPUState *env = mon_get_cpu();
2792
                if (!env)
2793
                    return -2;
2794
                ptr = (uint8_t *)env + md->offset;
2795
                switch(md->type) {
2796
                case MD_I32:
2797
                    *pval = *(int32_t *)ptr;
2798
                    break;
2799
                case MD_TLONG:
2800
                    *pval = *(target_long *)ptr;
2801
                    break;
2802
                default:
2803
                    *pval = 0;
2804
                    break;
2805
                }
2806
            }
2807
            return 0;
2808
        }
2809
    }
2810
    return -1;
2811
}
2812

    
2813
static void next(void)
2814
{
2815
    if (*pch != '\0') {
2816
        pch++;
2817
        while (qemu_isspace(*pch))
2818
            pch++;
2819
    }
2820
}
2821

    
2822
static int64_t expr_sum(Monitor *mon);
2823

    
2824
static int64_t expr_unary(Monitor *mon)
2825
{
2826
    int64_t n;
2827
    char *p;
2828
    int ret;
2829

    
2830
    switch(*pch) {
2831
    case '+':
2832
        next();
2833
        n = expr_unary(mon);
2834
        break;
2835
    case '-':
2836
        next();
2837
        n = -expr_unary(mon);
2838
        break;
2839
    case '~':
2840
        next();
2841
        n = ~expr_unary(mon);
2842
        break;
2843
    case '(':
2844
        next();
2845
        n = expr_sum(mon);
2846
        if (*pch != ')') {
2847
            expr_error(mon, "')' expected");
2848
        }
2849
        next();
2850
        break;
2851
    case '\'':
2852
        pch++;
2853
        if (*pch == '\0')
2854
            expr_error(mon, "character constant expected");
2855
        n = *pch;
2856
        pch++;
2857
        if (*pch != '\'')
2858
            expr_error(mon, "missing terminating \' character");
2859
        next();
2860
        break;
2861
    case '$':
2862
        {
2863
            char buf[128], *q;
2864
            target_long reg=0;
2865

    
2866
            pch++;
2867
            q = buf;
2868
            while ((*pch >= 'a' && *pch <= 'z') ||
2869
                   (*pch >= 'A' && *pch <= 'Z') ||
2870
                   (*pch >= '0' && *pch <= '9') ||
2871
                   *pch == '_' || *pch == '.') {
2872
                if ((q - buf) < sizeof(buf) - 1)
2873
                    *q++ = *pch;
2874
                pch++;
2875
            }
2876
            while (qemu_isspace(*pch))
2877
                pch++;
2878
            *q = 0;
2879
            ret = get_monitor_def(&reg, buf);
2880
            if (ret == -1)
2881
                expr_error(mon, "unknown register");
2882
            else if (ret == -2)
2883
                expr_error(mon, "no cpu defined");
2884
            n = reg;
2885
        }
2886
        break;
2887
    case '\0':
2888
        expr_error(mon, "unexpected end of expression");
2889
        n = 0;
2890
        break;
2891
    default:
2892
#if TARGET_PHYS_ADDR_BITS > 32
2893
        n = strtoull(pch, &p, 0);
2894
#else
2895
        n = strtoul(pch, &p, 0);
2896
#endif
2897
        if (pch == p) {
2898
            expr_error(mon, "invalid char in expression");
2899
        }
2900
        pch = p;
2901
        while (qemu_isspace(*pch))
2902
            pch++;
2903
        break;
2904
    }
2905
    return n;
2906
}
2907

    
2908

    
2909
static int64_t expr_prod(Monitor *mon)
2910
{
2911
    int64_t val, val2;
2912
    int op;
2913

    
2914
    val = expr_unary(mon);
2915
    for(;;) {
2916
        op = *pch;
2917
        if (op != '*' && op != '/' && op != '%')
2918
            break;
2919
        next();
2920
        val2 = expr_unary(mon);
2921
        switch(op) {
2922
        default:
2923
        case '*':
2924
            val *= val2;
2925
            break;
2926
        case '/':
2927
        case '%':
2928
            if (val2 == 0)
2929
                expr_error(mon, "division by zero");
2930
            if (op == '/')
2931
                val /= val2;
2932
            else
2933
                val %= val2;
2934
            break;
2935
        }
2936
    }
2937
    return val;
2938
}
2939

    
2940
static int64_t expr_logic(Monitor *mon)
2941
{
2942
    int64_t val, val2;
2943
    int op;
2944

    
2945
    val = expr_prod(mon);
2946
    for(;;) {
2947
        op = *pch;
2948
        if (op != '&' && op != '|' && op != '^')
2949
            break;
2950
        next();
2951
        val2 = expr_prod(mon);
2952
        switch(op) {
2953
        default:
2954
        case '&':
2955
            val &= val2;
2956
            break;
2957
        case '|':
2958
            val |= val2;
2959
            break;
2960
        case '^':
2961
            val ^= val2;
2962
            break;
2963
        }
2964
    }
2965
    return val;
2966
}
2967

    
2968
static int64_t expr_sum(Monitor *mon)
2969
{
2970
    int64_t val, val2;
2971
    int op;
2972

    
2973
    val = expr_logic(mon);
2974
    for(;;) {
2975
        op = *pch;
2976
        if (op != '+' && op != '-')
2977
            break;
2978
        next();
2979
        val2 = expr_logic(mon);
2980
        if (op == '+')
2981
            val += val2;
2982
        else
2983
            val -= val2;
2984
    }
2985
    return val;
2986
}
2987

    
2988
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2989
{
2990
    pch = *pp;
2991
    if (setjmp(expr_env)) {
2992
        *pp = pch;
2993
        return -1;
2994
    }
2995
    while (qemu_isspace(*pch))
2996
        pch++;
2997
    *pval = expr_sum(mon);
2998
    *pp = pch;
2999
    return 0;
3000
}
3001

    
3002
static int get_str(char *buf, int buf_size, const char **pp)
3003
{
3004
    const char *p;
3005
    char *q;
3006
    int c;
3007

    
3008
    q = buf;
3009
    p = *pp;
3010
    while (qemu_isspace(*p))
3011
        p++;
3012
    if (*p == '\0') {
3013
    fail:
3014
        *q = '\0';
3015
        *pp = p;
3016
        return -1;
3017
    }
3018
    if (*p == '\"') {
3019
        p++;
3020
        while (*p != '\0' && *p != '\"') {
3021
            if (*p == '\\') {
3022
                p++;
3023
                c = *p++;
3024
                switch(c) {
3025
                case 'n':
3026
                    c = '\n';
3027
                    break;
3028
                case 'r':
3029
                    c = '\r';
3030
                    break;
3031
                case '\\':
3032
                case '\'':
3033
                case '\"':
3034
                    break;
3035
                default:
3036
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3037
                    goto fail;
3038
                }
3039
                if ((q - buf) < buf_size - 1) {
3040
                    *q++ = c;
3041
                }
3042
            } else {
3043
                if ((q - buf) < buf_size - 1) {
3044
                    *q++ = *p;
3045
                }
3046
                p++;
3047
            }
3048
        }
3049
        if (*p != '\"') {
3050
            qemu_printf("unterminated string\n");
3051
            goto fail;
3052
        }
3053
        p++;
3054
    } else {
3055
        while (*p != '\0' && !qemu_isspace(*p)) {
3056
            if ((q - buf) < buf_size - 1) {
3057
                *q++ = *p;
3058
            }
3059
            p++;
3060
        }
3061
    }
3062
    *q = '\0';
3063
    *pp = p;
3064
    return 0;
3065
}
3066

    
3067
/*
3068
 * Store the command-name in cmdname, and return a pointer to
3069
 * the remaining of the command string.
3070
 */
3071
static const char *get_command_name(const char *cmdline,
3072
                                    char *cmdname, size_t nlen)
3073
{
3074
    size_t len;
3075
    const char *p, *pstart;
3076

    
3077
    p = cmdline;
3078
    while (qemu_isspace(*p))
3079
        p++;
3080
    if (*p == '\0')
3081
        return NULL;
3082
    pstart = p;
3083
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3084
        p++;
3085
    len = p - pstart;
3086
    if (len > nlen - 1)
3087
        len = nlen - 1;
3088
    memcpy(cmdname, pstart, len);
3089
    cmdname[len] = '\0';
3090
    return p;
3091
}
3092

    
3093
/**
3094
 * Read key of 'type' into 'key' and return the current
3095
 * 'type' pointer.
3096
 */
3097
static char *key_get_info(const char *type, char **key)
3098
{
3099
    size_t len;
3100
    char *p, *str;
3101

    
3102
    if (*type == ',')
3103
        type++;
3104

    
3105
    p = strchr(type, ':');
3106
    if (!p) {
3107
        *key = NULL;
3108
        return NULL;
3109
    }
3110
    len = p - type;
3111

    
3112
    str = qemu_malloc(len + 1);
3113
    memcpy(str, type, len);
3114
    str[len] = '\0';
3115

    
3116
    *key = str;
3117
    return ++p;
3118
}
3119

    
3120
static int default_fmt_format = 'x';
3121
static int default_fmt_size = 4;
3122

    
3123
#define MAX_ARGS 16
3124

    
3125
static int is_valid_option(const char *c, const char *typestr)
3126
{
3127
    char option[3];
3128
  
3129
    option[0] = '-';
3130
    option[1] = *c;
3131
    option[2] = '\0';
3132
  
3133
    typestr = strstr(typestr, option);
3134
    return (typestr != NULL);
3135
}
3136

    
3137
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3138
{
3139
    const mon_cmd_t *cmd;
3140

    
3141
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3142
        if (compare_cmd(cmdname, cmd->name)) {
3143
            return cmd;
3144
        }
3145
    }
3146

    
3147
    return NULL;
3148
}
3149

    
3150
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3151
                                              const char *cmdline,
3152
                                              QDict *qdict)
3153
{
3154
    const char *p, *typestr;
3155
    int c;
3156
    const mon_cmd_t *cmd;
3157
    char cmdname[256];
3158
    char buf[1024];
3159
    char *key;
3160

    
3161
#ifdef DEBUG
3162
    monitor_printf(mon, "command='%s'\n", cmdline);
3163
#endif
3164

    
3165
    /* extract the command name */
3166
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3167
    if (!p)
3168
        return NULL;
3169

    
3170
    cmd = monitor_find_command(cmdname);
3171
    if (!cmd) {
3172
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3173
        return NULL;
3174
    }
3175

    
3176
    /* parse the parameters */
3177
    typestr = cmd->args_type;
3178
    for(;;) {
3179
        typestr = key_get_info(typestr, &key);
3180
        if (!typestr)
3181
            break;
3182
        c = *typestr;
3183
        typestr++;
3184
        switch(c) {
3185
        case 'F':
3186
        case 'B':
3187
        case 's':
3188
            {
3189
                int ret;
3190

    
3191
                while (qemu_isspace(*p))
3192
                    p++;
3193
                if (*typestr == '?') {
3194
                    typestr++;
3195
                    if (*p == '\0') {
3196
                        /* no optional string: NULL argument */
3197
                        break;
3198
                    }
3199
                }
3200
                ret = get_str(buf, sizeof(buf), &p);
3201
                if (ret < 0) {
3202
                    switch(c) {
3203
                    case 'F':
3204
                        monitor_printf(mon, "%s: filename expected\n",
3205
                                       cmdname);
3206
                        break;
3207
                    case 'B':
3208
                        monitor_printf(mon, "%s: block device name expected\n",
3209
                                       cmdname);
3210
                        break;
3211
                    default:
3212
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3213
                        break;
3214
                    }
3215
                    goto fail;
3216
                }
3217
                qdict_put(qdict, key, qstring_from_str(buf));
3218
            }
3219
            break;
3220
        case '/':
3221
            {
3222
                int count, format, size;
3223

    
3224
                while (qemu_isspace(*p))
3225
                    p++;
3226
                if (*p == '/') {
3227
                    /* format found */
3228
                    p++;
3229
                    count = 1;
3230
                    if (qemu_isdigit(*p)) {
3231
                        count = 0;
3232
                        while (qemu_isdigit(*p)) {
3233
                            count = count * 10 + (*p - '0');
3234
                            p++;
3235
                        }
3236
                    }
3237
                    size = -1;
3238
                    format = -1;
3239
                    for(;;) {
3240
                        switch(*p) {
3241
                        case 'o':
3242
                        case 'd':
3243
                        case 'u':
3244
                        case 'x':
3245
                        case 'i':
3246
                        case 'c':
3247
                            format = *p++;
3248
                            break;
3249
                        case 'b':
3250
                            size = 1;
3251
                            p++;
3252
                            break;
3253
                        case 'h':
3254
                            size = 2;
3255
                            p++;
3256
                            break;
3257
                        case 'w':
3258
                            size = 4;
3259
                            p++;
3260
                            break;
3261
                        case 'g':
3262
                        case 'L':
3263
                            size = 8;
3264
                            p++;
3265
                            break;
3266
                        default:
3267
                            goto next;
3268
                        }
3269
                    }
3270
                next:
3271
                    if (*p != '\0' && !qemu_isspace(*p)) {
3272
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3273
                                       *p);
3274
                        goto fail;
3275
                    }
3276
                    if (format < 0)
3277
                        format = default_fmt_format;
3278
                    if (format != 'i') {
3279
                        /* for 'i', not specifying a size gives -1 as size */
3280
                        if (size < 0)
3281
                            size = default_fmt_size;
3282
                        default_fmt_size = size;
3283
                    }
3284
                    default_fmt_format = format;
3285
                } else {
3286
                    count = 1;
3287
                    format = default_fmt_format;
3288
                    if (format != 'i') {
3289
                        size = default_fmt_size;
3290
                    } else {
3291
                        size = -1;
3292
                    }
3293
                }
3294
                qdict_put(qdict, "count", qint_from_int(count));
3295
                qdict_put(qdict, "format", qint_from_int(format));
3296
                qdict_put(qdict, "size", qint_from_int(size));
3297
            }
3298
            break;
3299
        case 'i':
3300
        case 'l':
3301
            {
3302
                int64_t val;
3303

    
3304
                while (qemu_isspace(*p))
3305
                    p++;
3306
                if (*typestr == '?' || *typestr == '.') {
3307
                    if (*typestr == '?') {
3308
                        if (*p == '\0') {
3309
                            typestr++;
3310
                            break;
3311
                        }
3312
                    } else {
3313
                        if (*p == '.') {
3314
                            p++;
3315
                            while (qemu_isspace(*p))
3316
                                p++;
3317
                        } else {
3318
                            typestr++;
3319
                            break;
3320
                        }
3321
                    }
3322
                    typestr++;
3323
                }
3324
                if (get_expr(mon, &val, &p))
3325
                    goto fail;
3326
                /* Check if 'i' is greater than 32-bit */
3327
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3328
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3329
                    monitor_printf(mon, "integer is for 32-bit values\n");
3330
                    goto fail;
3331
                }
3332
                qdict_put(qdict, key, qint_from_int(val));
3333
            }
3334
            break;
3335
        case '-':
3336
            {
3337
                const char *tmp = p;
3338
                int has_option, skip_key = 0;
3339
                /* option */
3340

    
3341
                c = *typestr++;
3342
                if (c == '\0')
3343
                    goto bad_type;
3344
                while (qemu_isspace(*p))
3345
                    p++;
3346
                has_option = 0;
3347
                if (*p == '-') {
3348
                    p++;
3349
                    if(c != *p) {
3350
                        if(!is_valid_option(p, typestr)) {
3351
                  
3352
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3353
                                           cmdname, *p);
3354
                            goto fail;
3355
                        } else {
3356
                            skip_key = 1;
3357
                        }
3358
                    }
3359
                    if(skip_key) {
3360
                        p = tmp;
3361
                    } else {
3362
                        p++;
3363
                        has_option = 1;
3364
                    }
3365
                }
3366
                qdict_put(qdict, key, qint_from_int(has_option));
3367
            }
3368
            break;
3369
        default:
3370
        bad_type:
3371
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3372
            goto fail;
3373
        }
3374
        qemu_free(key);
3375
        key = NULL;
3376
    }
3377
    /* check that all arguments were parsed */
3378
    while (qemu_isspace(*p))
3379
        p++;
3380
    if (*p != '\0') {
3381
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3382
                       cmdname);
3383
        goto fail;
3384
    }
3385

    
3386
    return cmd;
3387

    
3388
fail:
3389
    qemu_free(key);
3390
    return NULL;
3391
}
3392

    
3393
static void monitor_print_error(Monitor *mon)
3394
{
3395
    qerror_print(mon->error);
3396
    QDECREF(mon->error);
3397
    mon->error = NULL;
3398
}
3399

    
3400
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3401
                                 const QDict *params)
3402
{
3403
    QObject *data = NULL;
3404

    
3405
    cmd->mhandler.cmd_new(mon, params, &data);
3406

    
3407
    if (monitor_ctrl_mode(mon)) {
3408
        /* Monitor Protocol */
3409
        monitor_protocol_emitter(mon, data);
3410
    } else {
3411
        /* User Protocol */
3412
         if (data)
3413
            cmd->user_print(mon, data);
3414
    }
3415

    
3416
    qobject_decref(data);
3417
}
3418

    
3419
static void handle_user_command(Monitor *mon, const char *cmdline)
3420
{
3421
    QDict *qdict;
3422
    const mon_cmd_t *cmd;
3423

    
3424
    qdict = qdict_new();
3425

    
3426
    cmd = monitor_parse_command(mon, cmdline, qdict);
3427
    if (!cmd)
3428
        goto out;
3429

    
3430
    qemu_errors_to_mon(mon);
3431

    
3432
    if (monitor_handler_ported(cmd)) {
3433
        monitor_call_handler(mon, cmd, qdict);
3434
    } else {
3435
        cmd->mhandler.cmd(mon, qdict);
3436
    }
3437

    
3438
    if (monitor_has_error(mon))
3439
        monitor_print_error(mon);
3440

    
3441
    qemu_errors_to_previous();
3442

    
3443
out:
3444
    QDECREF(qdict);
3445
}
3446

    
3447
static void cmd_completion(const char *name, const char *list)
3448
{
3449
    const char *p, *pstart;
3450
    char cmd[128];
3451
    int len;
3452

    
3453
    p = list;
3454
    for(;;) {
3455
        pstart = p;
3456
        p = strchr(p, '|');
3457
        if (!p)
3458
            p = pstart + strlen(pstart);
3459
        len = p - pstart;
3460
        if (len > sizeof(cmd) - 2)
3461
            len = sizeof(cmd) - 2;
3462
        memcpy(cmd, pstart, len);
3463
        cmd[len] = '\0';
3464
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3465
            readline_add_completion(cur_mon->rs, cmd);
3466
        }
3467
        if (*p == '\0')
3468
            break;
3469
        p++;
3470
    }
3471
}
3472

    
3473
static void file_completion(const char *input)
3474
{
3475
    DIR *ffs;
3476
    struct dirent *d;
3477
    char path[1024];
3478
    char file[1024], file_prefix[1024];
3479
    int input_path_len;
3480
    const char *p;
3481

    
3482
    p = strrchr(input, '/');
3483
    if (!p) {
3484
        input_path_len = 0;
3485
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3486
        pstrcpy(path, sizeof(path), ".");
3487
    } else {
3488
        input_path_len = p - input + 1;
3489
        memcpy(path, input, input_path_len);
3490
        if (input_path_len > sizeof(path) - 1)
3491
            input_path_len = sizeof(path) - 1;
3492
        path[input_path_len] = '\0';
3493
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3494
    }
3495
#ifdef DEBUG_COMPLETION
3496
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3497
                   input, path, file_prefix);
3498
#endif
3499
    ffs = opendir(path);
3500
    if (!ffs)
3501
        return;
3502
    for(;;) {
3503
        struct stat sb;
3504
        d = readdir(ffs);
3505
        if (!d)
3506
            break;
3507
        if (strstart(d->d_name, file_prefix, NULL)) {
3508
            memcpy(file, input, input_path_len);
3509
            if (input_path_len < sizeof(file))
3510
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3511
                        d->d_name);
3512
            /* stat the file to find out if it's a directory.
3513
             * In that case add a slash to speed up typing long paths
3514
             */
3515
            stat(file, &sb);
3516
            if(S_ISDIR(sb.st_mode))
3517
                pstrcat(file, sizeof(file), "/");
3518
            readline_add_completion(cur_mon->rs, file);
3519
        }
3520
    }
3521
    closedir(ffs);
3522
}
3523

    
3524
static void block_completion_it(void *opaque, BlockDriverState *bs)
3525
{
3526
    const char *name = bdrv_get_device_name(bs);
3527
    const char *input = opaque;
3528

    
3529
    if (input[0] == '\0' ||
3530
        !strncmp(name, (char *)input, strlen(input))) {
3531
        readline_add_completion(cur_mon->rs, name);
3532
    }
3533
}
3534

    
3535
/* NOTE: this parser is an approximate form of the real command parser */
3536
static void parse_cmdline(const char *cmdline,
3537
                         int *pnb_args, char **args)
3538
{
3539
    const char *p;
3540
    int nb_args, ret;
3541
    char buf[1024];
3542

    
3543
    p = cmdline;
3544
    nb_args = 0;
3545
    for(;;) {
3546
        while (qemu_isspace(*p))
3547
            p++;
3548
        if (*p == '\0')
3549
            break;
3550
        if (nb_args >= MAX_ARGS)
3551
            break;
3552
        ret = get_str(buf, sizeof(buf), &p);
3553
        args[nb_args] = qemu_strdup(buf);
3554
        nb_args++;
3555
        if (ret < 0)
3556
            break;
3557
    }
3558
    *pnb_args = nb_args;
3559
}
3560

    
3561
static const char *next_arg_type(const char *typestr)
3562
{
3563
    const char *p = strchr(typestr, ':');
3564
    return (p != NULL ? ++p : typestr);
3565
}
3566

    
3567
static void monitor_find_completion(const char *cmdline)
3568
{
3569
    const char *cmdname;
3570
    char *args[MAX_ARGS];
3571
    int nb_args, i, len;
3572
    const char *ptype, *str;
3573
    const mon_cmd_t *cmd;
3574
    const KeyDef *key;
3575

    
3576
    parse_cmdline(cmdline, &nb_args, args);
3577
#ifdef DEBUG_COMPLETION
3578
    for(i = 0; i < nb_args; i++) {
3579
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3580
    }
3581
#endif
3582

    
3583
    /* if the line ends with a space, it means we want to complete the
3584
       next arg */
3585
    len = strlen(cmdline);
3586
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3587
        if (nb_args >= MAX_ARGS)
3588
            return;
3589
        args[nb_args++] = qemu_strdup("");
3590
    }
3591
    if (nb_args <= 1) {
3592
        /* command completion */
3593
        if (nb_args == 0)
3594
            cmdname = "";
3595
        else
3596
            cmdname = args[0];
3597
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3598
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3599
            cmd_completion(cmdname, cmd->name);
3600
        }
3601
    } else {
3602
        /* find the command */
3603
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3604
            if (compare_cmd(args[0], cmd->name))
3605
                goto found;
3606
        }
3607
        return;
3608
    found:
3609
        ptype = next_arg_type(cmd->args_type);
3610
        for(i = 0; i < nb_args - 2; i++) {
3611
            if (*ptype != '\0') {
3612
                ptype = next_arg_type(ptype);
3613
                while (*ptype == '?')
3614
                    ptype = next_arg_type(ptype);
3615
            }
3616
        }
3617
        str = args[nb_args - 1];
3618
        if (*ptype == '-' && ptype[1] != '\0') {
3619
            ptype += 2;
3620
        }
3621
        switch(*ptype) {
3622
        case 'F':
3623
            /* file completion */
3624
            readline_set_completion_index(cur_mon->rs, strlen(str));
3625
            file_completion(str);
3626
            break;
3627
        case 'B':
3628
            /* block device name completion */
3629
            readline_set_completion_index(cur_mon->rs, strlen(str));
3630
            bdrv_iterate(block_completion_it, (void *)str);
3631
            break;
3632
        case 's':
3633
            /* XXX: more generic ? */
3634
            if (!strcmp(cmd->name, "info")) {
3635
                readline_set_completion_index(cur_mon->rs, strlen(str));
3636
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3637
                    cmd_completion(str, cmd->name);
3638
                }
3639
            } else if (!strcmp(cmd->name, "sendkey")) {
3640
                char *sep = strrchr(str, '-');
3641
                if (sep)
3642
                    str = sep + 1;
3643
                readline_set_completion_index(cur_mon->rs, strlen(str));
3644
                for(key = key_defs; key->name != NULL; key++) {
3645
                    cmd_completion(str, key->name);
3646
                }
3647
            } else if (!strcmp(cmd->name, "help|?")) {
3648
                readline_set_completion_index(cur_mon->rs, strlen(str));
3649
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3650
                    cmd_completion(str, cmd->name);
3651
                }
3652
            }
3653
            break;
3654
        default:
3655
            break;
3656
        }
3657
    }
3658
    for(i = 0; i < nb_args; i++)
3659
        qemu_free(args[i]);
3660
}
3661

    
3662
static int monitor_can_read(void *opaque)
3663
{
3664
    Monitor *mon = opaque;
3665

    
3666
    return (mon->suspend_cnt == 0) ? 128 : 0;
3667
}
3668

    
3669
typedef struct CmdArgs {
3670
    QString *name;
3671
    int type;
3672
    int flag;
3673
    int optional;
3674
} CmdArgs;
3675

    
3676
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3677
{
3678
    if (!cmd_args->optional) {
3679
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3680
        return -1;
3681
    }
3682

    
3683
    if (cmd_args->type == '-') {
3684
        /* handlers expect a value, they need to be changed */
3685
        qdict_put(args, name, qint_from_int(0));
3686
    }
3687

    
3688
    return 0;
3689
}
3690

    
3691
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3692
{
3693
    QObject *value;
3694
    const char *name;
3695

    
3696
    name = qstring_get_str(cmd_args->name);
3697

    
3698
    if (!args) {
3699
        return check_opt(cmd_args, name, args);
3700
    }
3701

    
3702
    value = qdict_get(args, name);
3703
    if (!value) {
3704
        return check_opt(cmd_args, name, args);
3705
    }
3706

    
3707
    switch (cmd_args->type) {
3708
        case 'F':
3709
        case 'B':
3710
        case 's':
3711
            if (qobject_type(value) != QTYPE_QSTRING) {
3712
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3713
                return -1;
3714
            }
3715
            break;
3716
        case '/': {
3717
            int i;
3718
            const char *keys[] = { "count", "format", "size", NULL };
3719

    
3720
            for (i = 0; keys[i]; i++) {
3721
                QObject *obj = qdict_get(args, keys[i]);
3722
                if (!obj) {
3723
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3724
                    return -1;
3725
                }
3726
                if (qobject_type(obj) != QTYPE_QINT) {
3727
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3728
                    return -1;
3729
                }
3730
            }
3731
            break;
3732
        }
3733
        case 'i':
3734
        case 'l':
3735
            if (qobject_type(value) != QTYPE_QINT) {
3736
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3737
                return -1;
3738
            }
3739
            break;
3740
        case '-':
3741
            if (qobject_type(value) != QTYPE_QINT &&
3742
                qobject_type(value) != QTYPE_QBOOL) {
3743
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3744
                return -1;
3745
            }
3746
            if (qobject_type(value) == QTYPE_QBOOL) {
3747
                /* handlers expect a QInt, they need to be changed */
3748
                qdict_put(args, name,
3749
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3750
            }
3751
            break;
3752
        default:
3753
            /* impossible */
3754
            abort();
3755
    }
3756

    
3757
    return 0;
3758
}
3759

    
3760
static void cmd_args_init(CmdArgs *cmd_args)
3761
{
3762
    cmd_args->name = qstring_new();
3763
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3764
}
3765

    
3766
/*
3767
 * This is not trivial, we have to parse Monitor command's argument
3768
 * type syntax to be able to check the arguments provided by clients.
3769
 *
3770
 * In the near future we will be using an array for that and will be
3771
 * able to drop all this parsing...
3772
 */
3773
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3774
{
3775
    int err;
3776
    const char *p;
3777
    CmdArgs cmd_args;
3778

    
3779
    if (cmd->args_type == NULL) {
3780
        return (qdict_size(args) == 0 ? 0 : -1);
3781
    }
3782

    
3783
    err = 0;
3784
    cmd_args_init(&cmd_args);
3785

    
3786
    for (p = cmd->args_type;; p++) {
3787
        if (*p == ':') {
3788
            cmd_args.type = *++p;
3789
            p++;
3790
            if (cmd_args.type == '-') {
3791
                cmd_args.flag = *p++;
3792
                cmd_args.optional = 1;
3793
            } else if (*p == '?') {
3794
                cmd_args.optional = 1;
3795
                p++;
3796
            }
3797

    
3798
            assert(*p == ',' || *p == '\0');
3799
            err = check_arg(&cmd_args, args);
3800

    
3801
            QDECREF(cmd_args.name);
3802
            cmd_args_init(&cmd_args);
3803

    
3804
            if (err < 0) {
3805
                break;
3806
            }
3807
        } else {
3808
            qstring_append_chr(cmd_args.name, *p);
3809
        }
3810

    
3811
        if (*p == '\0') {
3812
            break;
3813
        }
3814
    }
3815

    
3816
    QDECREF(cmd_args.name);
3817
    return err;
3818
}
3819

    
3820
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3821
{
3822
    int err;
3823
    QObject *obj;
3824
    QDict *input, *args;
3825
    const mon_cmd_t *cmd;
3826
    Monitor *mon = cur_mon;
3827
    const char *cmd_name, *info_item;
3828

    
3829
    args = NULL;
3830
    qemu_errors_to_mon(mon);
3831

    
3832
    obj = json_parser_parse(tokens, NULL);
3833
    if (!obj) {
3834
        // FIXME: should be triggered in json_parser_parse()
3835
        qemu_error_new(QERR_JSON_PARSING);
3836
        goto err_out;
3837
    } else if (qobject_type(obj) != QTYPE_QDICT) {
3838
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3839
        qobject_decref(obj);
3840
        goto err_out;
3841
    }
3842

    
3843
    input = qobject_to_qdict(obj);
3844

    
3845
    mon->mc->id = qdict_get(input, "id");
3846
    qobject_incref(mon->mc->id);
3847

    
3848
    obj = qdict_get(input, "execute");
3849
    if (!obj) {
3850
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3851
        goto err_input;
3852
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
3853
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3854
        goto err_input;
3855
    }
3856

    
3857
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
3858

    
3859
    /*
3860
     * XXX: We need this special case until we get info handlers
3861
     * converted into 'query-' commands
3862
     */
3863
    if (compare_cmd(cmd_name, "info")) {
3864
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3865
        goto err_input;
3866
    } else if (strstart(cmd_name, "query-", &info_item)) {
3867
        cmd = monitor_find_command("info");
3868
        qdict_put_obj(input, "arguments",
3869
                      qobject_from_jsonf("{ 'item': %s }", info_item));
3870
    } else {
3871
        cmd = monitor_find_command(cmd_name);
3872
        if (!cmd) {
3873
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3874
            goto err_input;
3875
        }
3876
    }
3877

    
3878
    obj = qdict_get(input, "arguments");
3879
    if (!obj) {
3880
        args = qdict_new();
3881
    } else {
3882
        args = qobject_to_qdict(obj);
3883
        QINCREF(args);
3884
    }
3885

    
3886
    QDECREF(input);
3887

    
3888
    err = monitor_check_qmp_args(cmd, args);
3889
    if (err < 0) {
3890
        goto err_out;
3891
    }
3892

    
3893
    monitor_call_handler(mon, cmd, args);
3894
    goto out;
3895

    
3896
err_input:
3897
    QDECREF(input);
3898
err_out:
3899
    monitor_protocol_emitter(mon, NULL);
3900
out:
3901
    QDECREF(args);
3902
    qemu_errors_to_previous();
3903
}
3904

    
3905
/**
3906
 * monitor_control_read(): Read and handle QMP input
3907
 */
3908
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3909
{
3910
    Monitor *old_mon = cur_mon;
3911

    
3912
    cur_mon = opaque;
3913

    
3914
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3915

    
3916
    cur_mon = old_mon;
3917
}
3918

    
3919
static void monitor_read(void *opaque, const uint8_t *buf, int size)
3920
{
3921
    Monitor *old_mon = cur_mon;
3922
    int i;
3923

    
3924
    cur_mon = opaque;
3925

    
3926
    if (cur_mon->rs) {
3927
        for (i = 0; i < size; i++)
3928
            readline_handle_byte(cur_mon->rs, buf[i]);
3929
    } else {
3930
        if (size == 0 || buf[size - 1] != 0)
3931
            monitor_printf(cur_mon, "corrupted command\n");
3932
        else
3933
            handle_user_command(cur_mon, (char *)buf);
3934
    }
3935

    
3936
    cur_mon = old_mon;
3937
}
3938

    
3939
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3940
{
3941
    monitor_suspend(mon);
3942
    handle_user_command(mon, cmdline);
3943
    monitor_resume(mon);
3944
}
3945

    
3946
int monitor_suspend(Monitor *mon)
3947
{
3948
    if (!mon->rs)
3949
        return -ENOTTY;
3950
    mon->suspend_cnt++;
3951
    return 0;
3952
}
3953

    
3954
void monitor_resume(Monitor *mon)
3955
{
3956
    if (!mon->rs)
3957
        return;
3958
    if (--mon->suspend_cnt == 0)
3959
        readline_show_prompt(mon->rs);
3960
}
3961

    
3962
/**
3963
 * monitor_control_event(): Print QMP gretting
3964
 */
3965
static void monitor_control_event(void *opaque, int event)
3966
{
3967
    if (event == CHR_EVENT_OPENED) {
3968
        QObject *data;
3969
        Monitor *mon = opaque;
3970

    
3971
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3972

    
3973
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3974
        assert(data != NULL);
3975

    
3976
        monitor_json_emitter(mon, data);
3977
        qobject_decref(data);
3978
    }
3979
}
3980

    
3981
static void monitor_event(void *opaque, int event)
3982
{
3983
    Monitor *mon = opaque;
3984

    
3985
    switch (event) {
3986
    case CHR_EVENT_MUX_IN:
3987
        mon->mux_out = 0;
3988
        if (mon->reset_seen) {
3989
            readline_restart(mon->rs);
3990
            monitor_resume(mon);
3991
            monitor_flush(mon);
3992
        } else {
3993
            mon->suspend_cnt = 0;
3994
        }
3995
        break;
3996

    
3997
    case CHR_EVENT_MUX_OUT:
3998
        if (mon->reset_seen) {
3999
            if (mon->suspend_cnt == 0) {
4000
                monitor_printf(mon, "\n");
4001
            }
4002
            monitor_flush(mon);
4003
            monitor_suspend(mon);
4004
        } else {
4005
            mon->suspend_cnt++;
4006
        }
4007
        mon->mux_out = 1;
4008
        break;
4009

    
4010
    case CHR_EVENT_OPENED:
4011
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4012
                       "information\n", QEMU_VERSION);
4013
        if (!mon->mux_out) {
4014
            readline_show_prompt(mon->rs);
4015
        }
4016
        mon->reset_seen = 1;
4017
        break;
4018
    }
4019
}
4020

    
4021

    
4022
/*
4023
 * Local variables:
4024
 *  c-indent-level: 4
4025
 *  c-basic-offset: 4
4026
 *  tab-width: 8
4027
 * End:
4028
 */
4029

    
4030
const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4031
{
4032
    const char *dev;
4033

    
4034
    if (strstart(cmdline, "control,", &dev)) {
4035
        if (strstart(dev, "vc", NULL)) {
4036
            fprintf(stderr, "qemu: control mode is for low-level interaction ");
4037
            fprintf(stderr, "cannot be used with device 'vc'\n");
4038
            exit(1);
4039
        }
4040
        *flags &= ~MONITOR_USE_READLINE;
4041
        *flags |= MONITOR_USE_CONTROL;
4042
        return dev;
4043
    }
4044

    
4045
    return cmdline;
4046
}
4047

    
4048
void monitor_init(CharDriverState *chr, int flags)
4049
{
4050
    static int is_first_init = 1;
4051
    Monitor *mon;
4052

    
4053
    if (is_first_init) {
4054
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4055
        is_first_init = 0;
4056
    }
4057

    
4058
    mon = qemu_mallocz(sizeof(*mon));
4059

    
4060
    mon->chr = chr;
4061
    mon->flags = flags;
4062
    if (flags & MONITOR_USE_READLINE) {
4063
        mon->rs = readline_init(mon, monitor_find_completion);
4064
        monitor_read_command(mon, 0);
4065
    }
4066

    
4067
    if (monitor_ctrl_mode(mon)) {
4068
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4069
        /* Control mode requires special handlers */
4070
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4071
                              monitor_control_event, mon);
4072
    } else {
4073
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4074
                              monitor_event, mon);
4075
    }
4076

    
4077
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4078
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4079
        cur_mon = mon;
4080
}
4081

    
4082
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4083
{
4084
    BlockDriverState *bs = opaque;
4085
    int ret = 0;
4086

    
4087
    if (bdrv_set_key(bs, password) != 0) {
4088
        monitor_printf(mon, "invalid password\n");
4089
        ret = -EPERM;
4090
    }
4091
    if (mon->password_completion_cb)
4092
        mon->password_completion_cb(mon->password_opaque, ret);
4093

    
4094
    monitor_read_command(mon, 1);
4095
}
4096

    
4097
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4098
                                 BlockDriverCompletionFunc *completion_cb,
4099
                                 void *opaque)
4100
{
4101
    int err;
4102

    
4103
    if (!bdrv_key_required(bs)) {
4104
        if (completion_cb)
4105
            completion_cb(opaque, 0);
4106
        return;
4107
    }
4108

    
4109
    if (monitor_ctrl_mode(mon)) {
4110
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4111
        return;
4112
    }
4113

    
4114
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4115
                   bdrv_get_encrypted_filename(bs));
4116

    
4117
    mon->password_completion_cb = completion_cb;
4118
    mon->password_opaque = opaque;
4119

    
4120
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4121

    
4122
    if (err && completion_cb)
4123
        completion_cb(opaque, err);
4124
}
4125

    
4126
typedef struct QemuErrorSink QemuErrorSink;
4127
struct QemuErrorSink {
4128
    enum {
4129
        ERR_SINK_FILE,
4130
        ERR_SINK_MONITOR,
4131
    } dest;
4132
    union {
4133
        FILE    *fp;
4134
        Monitor *mon;
4135
    };
4136
    QemuErrorSink *previous;
4137
};
4138

    
4139
static QemuErrorSink *qemu_error_sink;
4140

    
4141
void qemu_errors_to_file(FILE *fp)
4142
{
4143
    QemuErrorSink *sink;
4144

    
4145
    sink = qemu_mallocz(sizeof(*sink));
4146
    sink->dest = ERR_SINK_FILE;
4147
    sink->fp = fp;
4148
    sink->previous = qemu_error_sink;
4149
    qemu_error_sink = sink;
4150
}
4151

    
4152
void qemu_errors_to_mon(Monitor *mon)
4153
{
4154
    QemuErrorSink *sink;
4155

    
4156
    sink = qemu_mallocz(sizeof(*sink));
4157
    sink->dest = ERR_SINK_MONITOR;
4158
    sink->mon = mon;
4159
    sink->previous = qemu_error_sink;
4160
    qemu_error_sink = sink;
4161
}
4162

    
4163
void qemu_errors_to_previous(void)
4164
{
4165
    QemuErrorSink *sink;
4166

    
4167
    assert(qemu_error_sink != NULL);
4168
    sink = qemu_error_sink;
4169
    qemu_error_sink = sink->previous;
4170
    qemu_free(sink);
4171
}
4172

    
4173
void qemu_error(const char *fmt, ...)
4174
{
4175
    va_list args;
4176

    
4177
    assert(qemu_error_sink != NULL);
4178
    switch (qemu_error_sink->dest) {
4179
    case ERR_SINK_FILE:
4180
        va_start(args, fmt);
4181
        vfprintf(qemu_error_sink->fp, fmt, args);
4182
        va_end(args);
4183
        break;
4184
    case ERR_SINK_MONITOR:
4185
        va_start(args, fmt);
4186
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4187
        va_end(args);
4188
        break;
4189
    }
4190
}
4191

    
4192
void qemu_error_internal(const char *file, int linenr, const char *func,
4193
                         const char *fmt, ...)
4194
{
4195
    va_list va;
4196
    QError *qerror;
4197

    
4198
    assert(qemu_error_sink != NULL);
4199

    
4200
    va_start(va, fmt);
4201
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4202
    va_end(va);
4203

    
4204
    switch (qemu_error_sink->dest) {
4205
    case ERR_SINK_FILE:
4206
        qerror_print(qerror);
4207
        QDECREF(qerror);
4208
        break;
4209
    case ERR_SINK_MONITOR:
4210
        assert(qemu_error_sink->mon->error == NULL);
4211
        qemu_error_sink->mon->error = qerror;
4212
        break;
4213
    }
4214
}