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

    
823
}
824

    
825
static void change_vnc_password_cb(Monitor *mon, const char *password,
826
                                   void *opaque)
827
{
828
    change_vnc_password(mon, password);
829
    monitor_read_command(mon, 1);
830
}
831

    
832
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
833
{
834
    if (strcmp(target, "passwd") == 0 ||
835
        strcmp(target, "password") == 0) {
836
        if (arg) {
837
            char password[9];
838
            strncpy(password, arg, sizeof(password));
839
            password[sizeof(password) - 1] = '\0';
840
            change_vnc_password(mon, password);
841
        } else {
842
            monitor_read_password(mon, change_vnc_password_cb, NULL);
843
        }
844
    } else {
845
        if (vnc_display_open(NULL, target) < 0)
846
            monitor_printf(mon, "could not start VNC server on %s\n", target);
847
    }
848
}
849

    
850
static void do_change(Monitor *mon, const QDict *qdict)
851
{
852
    const char *device = qdict_get_str(qdict, "device");
853
    const char *target = qdict_get_str(qdict, "target");
854
    const char *arg = qdict_get_try_str(qdict, "arg");
855
    if (strcmp(device, "vnc") == 0) {
856
        do_change_vnc(mon, target, arg);
857
    } else {
858
        do_change_block(mon, device, target, arg);
859
    }
860
}
861

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

    
867
static void do_logfile(Monitor *mon, const QDict *qdict)
868
{
869
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
870
}
871

    
872
static void do_log(Monitor *mon, const QDict *qdict)
873
{
874
    int mask;
875
    const char *items = qdict_get_str(qdict, "items");
876

    
877
    if (!strcmp(items, "none")) {
878
        mask = 0;
879
    } else {
880
        mask = cpu_str_to_log_mask(items);
881
        if (!mask) {
882
            help_cmd(mon, "log");
883
            return;
884
        }
885
    }
886
    cpu_set_log(mask);
887
}
888

    
889
static void do_singlestep(Monitor *mon, const QDict *qdict)
890
{
891
    const char *option = qdict_get_try_str(qdict, "option");
892
    if (!option || !strcmp(option, "on")) {
893
        singlestep = 1;
894
    } else if (!strcmp(option, "off")) {
895
        singlestep = 0;
896
    } else {
897
        monitor_printf(mon, "unexpected option %s\n", option);
898
    }
899
}
900

    
901
/**
902
 * do_stop(): Stop VM execution
903
 */
904
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
905
{
906
    vm_stop(EXCP_INTERRUPT);
907
}
908

    
909
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
910

    
911
struct bdrv_iterate_context {
912
    Monitor *mon;
913
    int err;
914
};
915

    
916
/**
917
 * do_cont(): Resume emulation.
918
 */
919
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
920
{
921
    struct bdrv_iterate_context context = { mon, 0 };
922

    
923
    bdrv_iterate(encrypted_bdrv_it, &context);
924
    /* only resume the vm if all keys are set and valid */
925
    if (!context.err)
926
        vm_start();
927
}
928

    
929
static void bdrv_key_cb(void *opaque, int err)
930
{
931
    Monitor *mon = opaque;
932

    
933
    /* another key was set successfully, retry to continue */
934
    if (!err)
935
        do_cont(mon, NULL, NULL);
936
}
937

    
938
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
939
{
940
    struct bdrv_iterate_context *context = opaque;
941

    
942
    if (!context->err && bdrv_key_required(bs)) {
943
        context->err = -EBUSY;
944
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
945
                                    context->mon);
946
    }
947
}
948

    
949
static void do_gdbserver(Monitor *mon, const QDict *qdict)
950
{
951
    const char *device = qdict_get_try_str(qdict, "device");
952
    if (!device)
953
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
954
    if (gdbserver_start(device) < 0) {
955
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
956
                       device);
957
    } else if (strcmp(device, "none") == 0) {
958
        monitor_printf(mon, "Disabled gdbserver\n");
959
    } else {
960
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
961
                       device);
962
    }
963
}
964

    
965
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
966
{
967
    const char *action = qdict_get_str(qdict, "action");
968
    if (select_watchdog_action(action) == -1) {
969
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
970
    }
971
}
972

    
973
static void monitor_printc(Monitor *mon, int c)
974
{
975
    monitor_printf(mon, "'");
976
    switch(c) {
977
    case '\'':
978
        monitor_printf(mon, "\\'");
979
        break;
980
    case '\\':
981
        monitor_printf(mon, "\\\\");
982
        break;
983
    case '\n':
984
        monitor_printf(mon, "\\n");
985
        break;
986
    case '\r':
987
        monitor_printf(mon, "\\r");
988
        break;
989
    default:
990
        if (c >= 32 && c <= 126) {
991
            monitor_printf(mon, "%c", c);
992
        } else {
993
            monitor_printf(mon, "\\x%02x", c);
994
        }
995
        break;
996
    }
997
    monitor_printf(mon, "'");
998
}
999

    
1000
static void memory_dump(Monitor *mon, int count, int format, int wsize,
1001
                        target_phys_addr_t addr, int is_physical)
1002
{
1003
    CPUState *env;
1004
    int nb_per_line, l, line_size, i, max_digits, len;
1005
    uint8_t buf[16];
1006
    uint64_t v;
1007

    
1008
    if (format == 'i') {
1009
        int flags;
1010
        flags = 0;
1011
        env = mon_get_cpu();
1012
        if (!env && !is_physical)
1013
            return;
1014
#ifdef TARGET_I386
1015
        if (wsize == 2) {
1016
            flags = 1;
1017
        } else if (wsize == 4) {
1018
            flags = 0;
1019
        } else {
1020
            /* as default we use the current CS size */
1021
            flags = 0;
1022
            if (env) {
1023
#ifdef TARGET_X86_64
1024
                if ((env->efer & MSR_EFER_LMA) &&
1025
                    (env->segs[R_CS].flags & DESC_L_MASK))
1026
                    flags = 2;
1027
                else
1028
#endif
1029
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
1030
                    flags = 1;
1031
            }
1032
        }
1033
#endif
1034
        monitor_disas(mon, env, addr, count, is_physical, flags);
1035
        return;
1036
    }
1037

    
1038
    len = wsize * count;
1039
    if (wsize == 1)
1040
        line_size = 8;
1041
    else
1042
        line_size = 16;
1043
    nb_per_line = line_size / wsize;
1044
    max_digits = 0;
1045

    
1046
    switch(format) {
1047
    case 'o':
1048
        max_digits = (wsize * 8 + 2) / 3;
1049
        break;
1050
    default:
1051
    case 'x':
1052
        max_digits = (wsize * 8) / 4;
1053
        break;
1054
    case 'u':
1055
    case 'd':
1056
        max_digits = (wsize * 8 * 10 + 32) / 33;
1057
        break;
1058
    case 'c':
1059
        wsize = 1;
1060
        break;
1061
    }
1062

    
1063
    while (len > 0) {
1064
        if (is_physical)
1065
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1066
        else
1067
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1068
        l = len;
1069
        if (l > line_size)
1070
            l = line_size;
1071
        if (is_physical) {
1072
            cpu_physical_memory_rw(addr, buf, l, 0);
1073
        } else {
1074
            env = mon_get_cpu();
1075
            if (!env)
1076
                break;
1077
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1078
                monitor_printf(mon, " Cannot access memory\n");
1079
                break;
1080
            }
1081
        }
1082
        i = 0;
1083
        while (i < l) {
1084
            switch(wsize) {
1085
            default:
1086
            case 1:
1087
                v = ldub_raw(buf + i);
1088
                break;
1089
            case 2:
1090
                v = lduw_raw(buf + i);
1091
                break;
1092
            case 4:
1093
                v = (uint32_t)ldl_raw(buf + i);
1094
                break;
1095
            case 8:
1096
                v = ldq_raw(buf + i);
1097
                break;
1098
            }
1099
            monitor_printf(mon, " ");
1100
            switch(format) {
1101
            case 'o':
1102
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1103
                break;
1104
            case 'x':
1105
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1106
                break;
1107
            case 'u':
1108
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1109
                break;
1110
            case 'd':
1111
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1112
                break;
1113
            case 'c':
1114
                monitor_printc(mon, v);
1115
                break;
1116
            }
1117
            i += wsize;
1118
        }
1119
        monitor_printf(mon, "\n");
1120
        addr += l;
1121
        len -= l;
1122
    }
1123
}
1124

    
1125
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1126
{
1127
    int count = qdict_get_int(qdict, "count");
1128
    int format = qdict_get_int(qdict, "format");
1129
    int size = qdict_get_int(qdict, "size");
1130
    target_long addr = qdict_get_int(qdict, "addr");
1131

    
1132
    memory_dump(mon, count, format, size, addr, 0);
1133
}
1134

    
1135
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1136
{
1137
    int count = qdict_get_int(qdict, "count");
1138
    int format = qdict_get_int(qdict, "format");
1139
    int size = qdict_get_int(qdict, "size");
1140
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1141

    
1142
    memory_dump(mon, count, format, size, addr, 1);
1143
}
1144

    
1145
static void do_print(Monitor *mon, const QDict *qdict)
1146
{
1147
    int format = qdict_get_int(qdict, "format");
1148
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1149

    
1150
#if TARGET_PHYS_ADDR_BITS == 32
1151
    switch(format) {
1152
    case 'o':
1153
        monitor_printf(mon, "%#o", val);
1154
        break;
1155
    case 'x':
1156
        monitor_printf(mon, "%#x", val);
1157
        break;
1158
    case 'u':
1159
        monitor_printf(mon, "%u", val);
1160
        break;
1161
    default:
1162
    case 'd':
1163
        monitor_printf(mon, "%d", val);
1164
        break;
1165
    case 'c':
1166
        monitor_printc(mon, val);
1167
        break;
1168
    }
1169
#else
1170
    switch(format) {
1171
    case 'o':
1172
        monitor_printf(mon, "%#" PRIo64, val);
1173
        break;
1174
    case 'x':
1175
        monitor_printf(mon, "%#" PRIx64, val);
1176
        break;
1177
    case 'u':
1178
        monitor_printf(mon, "%" PRIu64, val);
1179
        break;
1180
    default:
1181
    case 'd':
1182
        monitor_printf(mon, "%" PRId64, val);
1183
        break;
1184
    case 'c':
1185
        monitor_printc(mon, val);
1186
        break;
1187
    }
1188
#endif
1189
    monitor_printf(mon, "\n");
1190
}
1191

    
1192
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1193
{
1194
    FILE *f;
1195
    uint32_t size = qdict_get_int(qdict, "size");
1196
    const char *filename = qdict_get_str(qdict, "filename");
1197
    target_long addr = qdict_get_int(qdict, "val");
1198
    uint32_t l;
1199
    CPUState *env;
1200
    uint8_t buf[1024];
1201

    
1202
    env = mon_get_cpu();
1203
    if (!env)
1204
        return;
1205

    
1206
    f = fopen(filename, "wb");
1207
    if (!f) {
1208
        monitor_printf(mon, "could not open '%s'\n", filename);
1209
        return;
1210
    }
1211
    while (size != 0) {
1212
        l = sizeof(buf);
1213
        if (l > size)
1214
            l = size;
1215
        cpu_memory_rw_debug(env, addr, buf, l, 0);
1216
        fwrite(buf, 1, l, f);
1217
        addr += l;
1218
        size -= l;
1219
    }
1220
    fclose(f);
1221
}
1222

    
1223
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1224
                                    QObject **ret_data)
1225
{
1226
    FILE *f;
1227
    uint32_t l;
1228
    uint8_t buf[1024];
1229
    uint32_t size = qdict_get_int(qdict, "size");
1230
    const char *filename = qdict_get_str(qdict, "filename");
1231
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
1232

    
1233
    f = fopen(filename, "wb");
1234
    if (!f) {
1235
        monitor_printf(mon, "could not open '%s'\n", filename);
1236
        return;
1237
    }
1238
    while (size != 0) {
1239
        l = sizeof(buf);
1240
        if (l > size)
1241
            l = size;
1242
        cpu_physical_memory_rw(addr, buf, l, 0);
1243
        fwrite(buf, 1, l, f);
1244
        fflush(f);
1245
        addr += l;
1246
        size -= l;
1247
    }
1248
    fclose(f);
1249
}
1250

    
1251
static void do_sum(Monitor *mon, const QDict *qdict)
1252
{
1253
    uint32_t addr;
1254
    uint8_t buf[1];
1255
    uint16_t sum;
1256
    uint32_t start = qdict_get_int(qdict, "start");
1257
    uint32_t size = qdict_get_int(qdict, "size");
1258

    
1259
    sum = 0;
1260
    for(addr = start; addr < (start + size); addr++) {
1261
        cpu_physical_memory_rw(addr, buf, 1, 0);
1262
        /* BSD sum algorithm ('sum' Unix command) */
1263
        sum = (sum >> 1) | (sum << 15);
1264
        sum += buf[0];
1265
    }
1266
    monitor_printf(mon, "%05d\n", sum);
1267
}
1268

    
1269
typedef struct {
1270
    int keycode;
1271
    const char *name;
1272
} KeyDef;
1273

    
1274
static const KeyDef key_defs[] = {
1275
    { 0x2a, "shift" },
1276
    { 0x36, "shift_r" },
1277

    
1278
    { 0x38, "alt" },
1279
    { 0xb8, "alt_r" },
1280
    { 0x64, "altgr" },
1281
    { 0xe4, "altgr_r" },
1282
    { 0x1d, "ctrl" },
1283
    { 0x9d, "ctrl_r" },
1284

    
1285
    { 0xdd, "menu" },
1286

    
1287
    { 0x01, "esc" },
1288

    
1289
    { 0x02, "1" },
1290
    { 0x03, "2" },
1291
    { 0x04, "3" },
1292
    { 0x05, "4" },
1293
    { 0x06, "5" },
1294
    { 0x07, "6" },
1295
    { 0x08, "7" },
1296
    { 0x09, "8" },
1297
    { 0x0a, "9" },
1298
    { 0x0b, "0" },
1299
    { 0x0c, "minus" },
1300
    { 0x0d, "equal" },
1301
    { 0x0e, "backspace" },
1302

    
1303
    { 0x0f, "tab" },
1304
    { 0x10, "q" },
1305
    { 0x11, "w" },
1306
    { 0x12, "e" },
1307
    { 0x13, "r" },
1308
    { 0x14, "t" },
1309
    { 0x15, "y" },
1310
    { 0x16, "u" },
1311
    { 0x17, "i" },
1312
    { 0x18, "o" },
1313
    { 0x19, "p" },
1314

    
1315
    { 0x1c, "ret" },
1316

    
1317
    { 0x1e, "a" },
1318
    { 0x1f, "s" },
1319
    { 0x20, "d" },
1320
    { 0x21, "f" },
1321
    { 0x22, "g" },
1322
    { 0x23, "h" },
1323
    { 0x24, "j" },
1324
    { 0x25, "k" },
1325
    { 0x26, "l" },
1326

    
1327
    { 0x2c, "z" },
1328
    { 0x2d, "x" },
1329
    { 0x2e, "c" },
1330
    { 0x2f, "v" },
1331
    { 0x30, "b" },
1332
    { 0x31, "n" },
1333
    { 0x32, "m" },
1334
    { 0x33, "comma" },
1335
    { 0x34, "dot" },
1336
    { 0x35, "slash" },
1337

    
1338
    { 0x37, "asterisk" },
1339

    
1340
    { 0x39, "spc" },
1341
    { 0x3a, "caps_lock" },
1342
    { 0x3b, "f1" },
1343
    { 0x3c, "f2" },
1344
    { 0x3d, "f3" },
1345
    { 0x3e, "f4" },
1346
    { 0x3f, "f5" },
1347
    { 0x40, "f6" },
1348
    { 0x41, "f7" },
1349
    { 0x42, "f8" },
1350
    { 0x43, "f9" },
1351
    { 0x44, "f10" },
1352
    { 0x45, "num_lock" },
1353
    { 0x46, "scroll_lock" },
1354

    
1355
    { 0xb5, "kp_divide" },
1356
    { 0x37, "kp_multiply" },
1357
    { 0x4a, "kp_subtract" },
1358
    { 0x4e, "kp_add" },
1359
    { 0x9c, "kp_enter" },
1360
    { 0x53, "kp_decimal" },
1361
    { 0x54, "sysrq" },
1362

    
1363
    { 0x52, "kp_0" },
1364
    { 0x4f, "kp_1" },
1365
    { 0x50, "kp_2" },
1366
    { 0x51, "kp_3" },
1367
    { 0x4b, "kp_4" },
1368
    { 0x4c, "kp_5" },
1369
    { 0x4d, "kp_6" },
1370
    { 0x47, "kp_7" },
1371
    { 0x48, "kp_8" },
1372
    { 0x49, "kp_9" },
1373

    
1374
    { 0x56, "<" },
1375

    
1376
    { 0x57, "f11" },
1377
    { 0x58, "f12" },
1378

    
1379
    { 0xb7, "print" },
1380

    
1381
    { 0xc7, "home" },
1382
    { 0xc9, "pgup" },
1383
    { 0xd1, "pgdn" },
1384
    { 0xcf, "end" },
1385

    
1386
    { 0xcb, "left" },
1387
    { 0xc8, "up" },
1388
    { 0xd0, "down" },
1389
    { 0xcd, "right" },
1390

    
1391
    { 0xd2, "insert" },
1392
    { 0xd3, "delete" },
1393
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1394
    { 0xf0, "stop" },
1395
    { 0xf1, "again" },
1396
    { 0xf2, "props" },
1397
    { 0xf3, "undo" },
1398
    { 0xf4, "front" },
1399
    { 0xf5, "copy" },
1400
    { 0xf6, "open" },
1401
    { 0xf7, "paste" },
1402
    { 0xf8, "find" },
1403
    { 0xf9, "cut" },
1404
    { 0xfa, "lf" },
1405
    { 0xfb, "help" },
1406
    { 0xfc, "meta_l" },
1407
    { 0xfd, "meta_r" },
1408
    { 0xfe, "compose" },
1409
#endif
1410
    { 0, NULL },
1411
};
1412

    
1413
static int get_keycode(const char *key)
1414
{
1415
    const KeyDef *p;
1416
    char *endp;
1417
    int ret;
1418

    
1419
    for(p = key_defs; p->name != NULL; p++) {
1420
        if (!strcmp(key, p->name))
1421
            return p->keycode;
1422
    }
1423
    if (strstart(key, "0x", NULL)) {
1424
        ret = strtoul(key, &endp, 0);
1425
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1426
            return ret;
1427
    }
1428
    return -1;
1429
}
1430

    
1431
#define MAX_KEYCODES 16
1432
static uint8_t keycodes[MAX_KEYCODES];
1433
static int nb_pending_keycodes;
1434
static QEMUTimer *key_timer;
1435

    
1436
static void release_keys(void *opaque)
1437
{
1438
    int keycode;
1439

    
1440
    while (nb_pending_keycodes > 0) {
1441
        nb_pending_keycodes--;
1442
        keycode = keycodes[nb_pending_keycodes];
1443
        if (keycode & 0x80)
1444
            kbd_put_keycode(0xe0);
1445
        kbd_put_keycode(keycode | 0x80);
1446
    }
1447
}
1448

    
1449
static void do_sendkey(Monitor *mon, const QDict *qdict)
1450
{
1451
    char keyname_buf[16];
1452
    char *separator;
1453
    int keyname_len, keycode, i;
1454
    const char *string = qdict_get_str(qdict, "string");
1455
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1456
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1457

    
1458
    if (nb_pending_keycodes > 0) {
1459
        qemu_del_timer(key_timer);
1460
        release_keys(NULL);
1461
    }
1462
    if (!has_hold_time)
1463
        hold_time = 100;
1464
    i = 0;
1465
    while (1) {
1466
        separator = strchr(string, '-');
1467
        keyname_len = separator ? separator - string : strlen(string);
1468
        if (keyname_len > 0) {
1469
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1470
            if (keyname_len > sizeof(keyname_buf) - 1) {
1471
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1472
                return;
1473
            }
1474
            if (i == MAX_KEYCODES) {
1475
                monitor_printf(mon, "too many keys\n");
1476
                return;
1477
            }
1478
            keyname_buf[keyname_len] = 0;
1479
            keycode = get_keycode(keyname_buf);
1480
            if (keycode < 0) {
1481
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1482
                return;
1483
            }
1484
            keycodes[i++] = keycode;
1485
        }
1486
        if (!separator)
1487
            break;
1488
        string = separator + 1;
1489
    }
1490
    nb_pending_keycodes = i;
1491
    /* key down events */
1492
    for (i = 0; i < nb_pending_keycodes; i++) {
1493
        keycode = keycodes[i];
1494
        if (keycode & 0x80)
1495
            kbd_put_keycode(0xe0);
1496
        kbd_put_keycode(keycode & 0x7f);
1497
    }
1498
    /* delayed key up events */
1499
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1500
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1501
}
1502

    
1503
static int mouse_button_state;
1504

    
1505
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1506
{
1507
    int dx, dy, dz;
1508
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1509
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1510
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1511
    dx = strtol(dx_str, NULL, 0);
1512
    dy = strtol(dy_str, NULL, 0);
1513
    dz = 0;
1514
    if (dz_str)
1515
        dz = strtol(dz_str, NULL, 0);
1516
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1517
}
1518

    
1519
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1520
{
1521
    int button_state = qdict_get_int(qdict, "button_state");
1522
    mouse_button_state = button_state;
1523
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1524
}
1525

    
1526
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1527
{
1528
    int size = qdict_get_int(qdict, "size");
1529
    int addr = qdict_get_int(qdict, "addr");
1530
    int has_index = qdict_haskey(qdict, "index");
1531
    uint32_t val;
1532
    int suffix;
1533

    
1534
    if (has_index) {
1535
        int index = qdict_get_int(qdict, "index");
1536
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1537
        addr++;
1538
    }
1539
    addr &= 0xffff;
1540

    
1541
    switch(size) {
1542
    default:
1543
    case 1:
1544
        val = cpu_inb(addr);
1545
        suffix = 'b';
1546
        break;
1547
    case 2:
1548
        val = cpu_inw(addr);
1549
        suffix = 'w';
1550
        break;
1551
    case 4:
1552
        val = cpu_inl(addr);
1553
        suffix = 'l';
1554
        break;
1555
    }
1556
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1557
                   suffix, addr, size * 2, val);
1558
}
1559

    
1560
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1561
{
1562
    int size = qdict_get_int(qdict, "size");
1563
    int addr = qdict_get_int(qdict, "addr");
1564
    int val = qdict_get_int(qdict, "val");
1565

    
1566
    addr &= IOPORTS_MASK;
1567

    
1568
    switch (size) {
1569
    default:
1570
    case 1:
1571
        cpu_outb(addr, val);
1572
        break;
1573
    case 2:
1574
        cpu_outw(addr, val);
1575
        break;
1576
    case 4:
1577
        cpu_outl(addr, val);
1578
        break;
1579
    }
1580
}
1581

    
1582
static void do_boot_set(Monitor *mon, const QDict *qdict)
1583
{
1584
    int res;
1585
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1586

    
1587
    res = qemu_boot_set(bootdevice);
1588
    if (res == 0) {
1589
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1590
    } else if (res > 0) {
1591
        monitor_printf(mon, "setting boot device list failed\n");
1592
    } else {
1593
        monitor_printf(mon, "no function defined to set boot device list for "
1594
                       "this architecture\n");
1595
    }
1596
}
1597

    
1598
/**
1599
 * do_system_reset(): Issue a machine reset
1600
 */
1601
static void do_system_reset(Monitor *mon, const QDict *qdict,
1602
                            QObject **ret_data)
1603
{
1604
    qemu_system_reset_request();
1605
}
1606

    
1607
/**
1608
 * do_system_powerdown(): Issue a machine powerdown
1609
 */
1610
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1611
                                QObject **ret_data)
1612
{
1613
    qemu_system_powerdown_request();
1614
}
1615

    
1616
#if defined(TARGET_I386)
1617
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1618
{
1619
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1620
                   addr,
1621
                   pte & mask,
1622
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1623
                   pte & PG_PSE_MASK ? 'P' : '-',
1624
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1625
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1626
                   pte & PG_PCD_MASK ? 'C' : '-',
1627
                   pte & PG_PWT_MASK ? 'T' : '-',
1628
                   pte & PG_USER_MASK ? 'U' : '-',
1629
                   pte & PG_RW_MASK ? 'W' : '-');
1630
}
1631

    
1632
static void tlb_info(Monitor *mon)
1633
{
1634
    CPUState *env;
1635
    int l1, l2;
1636
    uint32_t pgd, pde, pte;
1637

    
1638
    env = mon_get_cpu();
1639
    if (!env)
1640
        return;
1641

    
1642
    if (!(env->cr[0] & CR0_PG_MASK)) {
1643
        monitor_printf(mon, "PG disabled\n");
1644
        return;
1645
    }
1646
    pgd = env->cr[3] & ~0xfff;
1647
    for(l1 = 0; l1 < 1024; l1++) {
1648
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1649
        pde = le32_to_cpu(pde);
1650
        if (pde & PG_PRESENT_MASK) {
1651
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1652
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1653
            } else {
1654
                for(l2 = 0; l2 < 1024; l2++) {
1655
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1656
                                             (uint8_t *)&pte, 4);
1657
                    pte = le32_to_cpu(pte);
1658
                    if (pte & PG_PRESENT_MASK) {
1659
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1660
                                  pte & ~PG_PSE_MASK,
1661
                                  ~0xfff);
1662
                    }
1663
                }
1664
            }
1665
        }
1666
    }
1667
}
1668

    
1669
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1670
                      uint32_t end, int prot)
1671
{
1672
    int prot1;
1673
    prot1 = *plast_prot;
1674
    if (prot != prot1) {
1675
        if (*pstart != -1) {
1676
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1677
                           *pstart, end, end - *pstart,
1678
                           prot1 & PG_USER_MASK ? 'u' : '-',
1679
                           'r',
1680
                           prot1 & PG_RW_MASK ? 'w' : '-');
1681
        }
1682
        if (prot != 0)
1683
            *pstart = end;
1684
        else
1685
            *pstart = -1;
1686
        *plast_prot = prot;
1687
    }
1688
}
1689

    
1690
static void mem_info(Monitor *mon)
1691
{
1692
    CPUState *env;
1693
    int l1, l2, prot, last_prot;
1694
    uint32_t pgd, pde, pte, start, end;
1695

    
1696
    env = mon_get_cpu();
1697
    if (!env)
1698
        return;
1699

    
1700
    if (!(env->cr[0] & CR0_PG_MASK)) {
1701
        monitor_printf(mon, "PG disabled\n");
1702
        return;
1703
    }
1704
    pgd = env->cr[3] & ~0xfff;
1705
    last_prot = 0;
1706
    start = -1;
1707
    for(l1 = 0; l1 < 1024; l1++) {
1708
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1709
        pde = le32_to_cpu(pde);
1710
        end = l1 << 22;
1711
        if (pde & PG_PRESENT_MASK) {
1712
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1713
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1714
                mem_print(mon, &start, &last_prot, end, prot);
1715
            } else {
1716
                for(l2 = 0; l2 < 1024; l2++) {
1717
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1718
                                             (uint8_t *)&pte, 4);
1719
                    pte = le32_to_cpu(pte);
1720
                    end = (l1 << 22) + (l2 << 12);
1721
                    if (pte & PG_PRESENT_MASK) {
1722
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1723
                    } else {
1724
                        prot = 0;
1725
                    }
1726
                    mem_print(mon, &start, &last_prot, end, prot);
1727
                }
1728
            }
1729
        } else {
1730
            prot = 0;
1731
            mem_print(mon, &start, &last_prot, end, prot);
1732
        }
1733
    }
1734
}
1735
#endif
1736

    
1737
#if defined(TARGET_SH4)
1738

    
1739
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1740
{
1741
    monitor_printf(mon, " tlb%i:\t"
1742
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1743
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1744
                   "dirty=%hhu writethrough=%hhu\n",
1745
                   idx,
1746
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1747
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1748
                   tlb->d, tlb->wt);
1749
}
1750

    
1751
static void tlb_info(Monitor *mon)
1752
{
1753
    CPUState *env = mon_get_cpu();
1754
    int i;
1755

    
1756
    monitor_printf (mon, "ITLB:\n");
1757
    for (i = 0 ; i < ITLB_SIZE ; i++)
1758
        print_tlb (mon, i, &env->itlb[i]);
1759
    monitor_printf (mon, "UTLB:\n");
1760
    for (i = 0 ; i < UTLB_SIZE ; i++)
1761
        print_tlb (mon, i, &env->utlb[i]);
1762
}
1763

    
1764
#endif
1765

    
1766
static void do_info_kvm(Monitor *mon)
1767
{
1768
#ifdef CONFIG_KVM
1769
    monitor_printf(mon, "kvm support: ");
1770
    if (kvm_enabled())
1771
        monitor_printf(mon, "enabled\n");
1772
    else
1773
        monitor_printf(mon, "disabled\n");
1774
#else
1775
    monitor_printf(mon, "kvm support: not compiled\n");
1776
#endif
1777
}
1778

    
1779
static void do_info_numa(Monitor *mon)
1780
{
1781
    int i;
1782
    CPUState *env;
1783

    
1784
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1785
    for (i = 0; i < nb_numa_nodes; i++) {
1786
        monitor_printf(mon, "node %d cpus:", i);
1787
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1788
            if (env->numa_node == i) {
1789
                monitor_printf(mon, " %d", env->cpu_index);
1790
            }
1791
        }
1792
        monitor_printf(mon, "\n");
1793
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1794
            node_mem[i] >> 20);
1795
    }
1796
}
1797

    
1798
#ifdef CONFIG_PROFILER
1799

    
1800
int64_t qemu_time;
1801
int64_t dev_time;
1802

    
1803
static void do_info_profile(Monitor *mon)
1804
{
1805
    int64_t total;
1806
    total = qemu_time;
1807
    if (total == 0)
1808
        total = 1;
1809
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1810
                   dev_time, dev_time / (double)get_ticks_per_sec());
1811
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1812
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1813
    qemu_time = 0;
1814
    dev_time = 0;
1815
}
1816
#else
1817
static void do_info_profile(Monitor *mon)
1818
{
1819
    monitor_printf(mon, "Internal profiler not compiled\n");
1820
}
1821
#endif
1822

    
1823
/* Capture support */
1824
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1825

    
1826
static void do_info_capture(Monitor *mon)
1827
{
1828
    int i;
1829
    CaptureState *s;
1830

    
1831
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1832
        monitor_printf(mon, "[%d]: ", i);
1833
        s->ops.info (s->opaque);
1834
    }
1835
}
1836

    
1837
#ifdef HAS_AUDIO
1838
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1839
{
1840
    int i;
1841
    int n = qdict_get_int(qdict, "n");
1842
    CaptureState *s;
1843

    
1844
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1845
        if (i == n) {
1846
            s->ops.destroy (s->opaque);
1847
            QLIST_REMOVE (s, entries);
1848
            qemu_free (s);
1849
            return;
1850
        }
1851
    }
1852
}
1853

    
1854
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1855
{
1856
    const char *path = qdict_get_str(qdict, "path");
1857
    int has_freq = qdict_haskey(qdict, "freq");
1858
    int freq = qdict_get_try_int(qdict, "freq", -1);
1859
    int has_bits = qdict_haskey(qdict, "bits");
1860
    int bits = qdict_get_try_int(qdict, "bits", -1);
1861
    int has_channels = qdict_haskey(qdict, "nchannels");
1862
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1863
    CaptureState *s;
1864

    
1865
    s = qemu_mallocz (sizeof (*s));
1866

    
1867
    freq = has_freq ? freq : 44100;
1868
    bits = has_bits ? bits : 16;
1869
    nchannels = has_channels ? nchannels : 2;
1870

    
1871
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1872
        monitor_printf(mon, "Faied to add wave capture\n");
1873
        qemu_free (s);
1874
    }
1875
    QLIST_INSERT_HEAD (&capture_head, s, entries);
1876
}
1877
#endif
1878

    
1879
#if defined(TARGET_I386)
1880
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1881
{
1882
    CPUState *env;
1883
    int cpu_index = qdict_get_int(qdict, "cpu_index");
1884

    
1885
    for (env = first_cpu; env != NULL; env = env->next_cpu)
1886
        if (env->cpu_index == cpu_index) {
1887
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
1888
            break;
1889
        }
1890
}
1891
#endif
1892

    
1893
static void do_info_status(Monitor *mon)
1894
{
1895
    if (vm_running) {
1896
        if (singlestep) {
1897
            monitor_printf(mon, "VM status: running (single step mode)\n");
1898
        } else {
1899
            monitor_printf(mon, "VM status: running\n");
1900
        }
1901
    } else
1902
       monitor_printf(mon, "VM status: paused\n");
1903
}
1904

    
1905
/**
1906
 * do_balloon(): Request VM to change its memory allocation
1907
 */
1908
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1909
{
1910
    int value = qdict_get_int(qdict, "value");
1911
    ram_addr_t target = value;
1912
    qemu_balloon(target << 20);
1913
}
1914

    
1915
static void monitor_print_balloon(Monitor *mon, const QObject *data)
1916
{
1917
    monitor_printf(mon, "balloon: actual=%d\n",
1918
                                     (int)qint_get_int(qobject_to_qint(data)));
1919
}
1920

    
1921
/**
1922
 * do_info_balloon(): Balloon information
1923
 */
1924
static void do_info_balloon(Monitor *mon, QObject **ret_data)
1925
{
1926
    ram_addr_t actual;
1927

    
1928
    actual = qemu_balloon_status();
1929
    if (kvm_enabled() && !kvm_has_sync_mmu())
1930
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1931
    else if (actual == 0)
1932
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1933
    else
1934
        *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1935
}
1936

    
1937
static qemu_acl *find_acl(Monitor *mon, const char *name)
1938
{
1939
    qemu_acl *acl = qemu_acl_find(name);
1940

    
1941
    if (!acl) {
1942
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1943
    }
1944
    return acl;
1945
}
1946

    
1947
static void do_acl_show(Monitor *mon, const QDict *qdict)
1948
{
1949
    const char *aclname = qdict_get_str(qdict, "aclname");
1950
    qemu_acl *acl = find_acl(mon, aclname);
1951
    qemu_acl_entry *entry;
1952
    int i = 0;
1953

    
1954
    if (acl) {
1955
        monitor_printf(mon, "policy: %s\n",
1956
                       acl->defaultDeny ? "deny" : "allow");
1957
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1958
            i++;
1959
            monitor_printf(mon, "%d: %s %s\n", i,
1960
                           entry->deny ? "deny" : "allow", entry->match);
1961
        }
1962
    }
1963
}
1964

    
1965
static void do_acl_reset(Monitor *mon, const QDict *qdict)
1966
{
1967
    const char *aclname = qdict_get_str(qdict, "aclname");
1968
    qemu_acl *acl = find_acl(mon, aclname);
1969

    
1970
    if (acl) {
1971
        qemu_acl_reset(acl);
1972
        monitor_printf(mon, "acl: removed all rules\n");
1973
    }
1974
}
1975

    
1976
static void do_acl_policy(Monitor *mon, const QDict *qdict)
1977
{
1978
    const char *aclname = qdict_get_str(qdict, "aclname");
1979
    const char *policy = qdict_get_str(qdict, "policy");
1980
    qemu_acl *acl = find_acl(mon, aclname);
1981

    
1982
    if (acl) {
1983
        if (strcmp(policy, "allow") == 0) {
1984
            acl->defaultDeny = 0;
1985
            monitor_printf(mon, "acl: policy set to 'allow'\n");
1986
        } else if (strcmp(policy, "deny") == 0) {
1987
            acl->defaultDeny = 1;
1988
            monitor_printf(mon, "acl: policy set to 'deny'\n");
1989
        } else {
1990
            monitor_printf(mon, "acl: unknown policy '%s', "
1991
                           "expected 'deny' or 'allow'\n", policy);
1992
        }
1993
    }
1994
}
1995

    
1996
static void do_acl_add(Monitor *mon, const QDict *qdict)
1997
{
1998
    const char *aclname = qdict_get_str(qdict, "aclname");
1999
    const char *match = qdict_get_str(qdict, "match");
2000
    const char *policy = qdict_get_str(qdict, "policy");
2001
    int has_index = qdict_haskey(qdict, "index");
2002
    int index = qdict_get_try_int(qdict, "index", -1);
2003
    qemu_acl *acl = find_acl(mon, aclname);
2004
    int deny, ret;
2005

    
2006
    if (acl) {
2007
        if (strcmp(policy, "allow") == 0) {
2008
            deny = 0;
2009
        } else if (strcmp(policy, "deny") == 0) {
2010
            deny = 1;
2011
        } else {
2012
            monitor_printf(mon, "acl: unknown policy '%s', "
2013
                           "expected 'deny' or 'allow'\n", policy);
2014
            return;
2015
        }
2016
        if (has_index)
2017
            ret = qemu_acl_insert(acl, deny, match, index);
2018
        else
2019
            ret = qemu_acl_append(acl, deny, match);
2020
        if (ret < 0)
2021
            monitor_printf(mon, "acl: unable to add acl entry\n");
2022
        else
2023
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
2024
    }
2025
}
2026

    
2027
static void do_acl_remove(Monitor *mon, const QDict *qdict)
2028
{
2029
    const char *aclname = qdict_get_str(qdict, "aclname");
2030
    const char *match = qdict_get_str(qdict, "match");
2031
    qemu_acl *acl = find_acl(mon, aclname);
2032
    int ret;
2033

    
2034
    if (acl) {
2035
        ret = qemu_acl_remove(acl, match);
2036
        if (ret < 0)
2037
            monitor_printf(mon, "acl: no matching acl entry\n");
2038
        else
2039
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2040
    }
2041
}
2042

    
2043
#if defined(TARGET_I386)
2044
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2045
{
2046
    CPUState *cenv;
2047
    int cpu_index = qdict_get_int(qdict, "cpu_index");
2048
    int bank = qdict_get_int(qdict, "bank");
2049
    uint64_t status = qdict_get_int(qdict, "status");
2050
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2051
    uint64_t addr = qdict_get_int(qdict, "addr");
2052
    uint64_t misc = qdict_get_int(qdict, "misc");
2053

    
2054
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2055
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2056
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2057
            break;
2058
        }
2059
}
2060
#endif
2061

    
2062
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2063
{
2064
    const char *fdname = qdict_get_str(qdict, "fdname");
2065
    mon_fd_t *monfd;
2066
    int fd;
2067

    
2068
    fd = qemu_chr_get_msgfd(mon->chr);
2069
    if (fd == -1) {
2070
        monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2071
        return;
2072
    }
2073

    
2074
    if (qemu_isdigit(fdname[0])) {
2075
        monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2076
        return;
2077
    }
2078

    
2079
    fd = dup(fd);
2080
    if (fd == -1) {
2081
        monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2082
                       strerror(errno));
2083
        return;
2084
    }
2085

    
2086
    QLIST_FOREACH(monfd, &mon->fds, next) {
2087
        if (strcmp(monfd->name, fdname) != 0) {
2088
            continue;
2089
        }
2090

    
2091
        close(monfd->fd);
2092
        monfd->fd = fd;
2093
        return;
2094
    }
2095

    
2096
    monfd = qemu_mallocz(sizeof(mon_fd_t));
2097
    monfd->name = qemu_strdup(fdname);
2098
    monfd->fd = fd;
2099

    
2100
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2101
}
2102

    
2103
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2104
{
2105
    const char *fdname = qdict_get_str(qdict, "fdname");
2106
    mon_fd_t *monfd;
2107

    
2108
    QLIST_FOREACH(monfd, &mon->fds, next) {
2109
        if (strcmp(monfd->name, fdname) != 0) {
2110
            continue;
2111
        }
2112

    
2113
        QLIST_REMOVE(monfd, next);
2114
        close(monfd->fd);
2115
        qemu_free(monfd->name);
2116
        qemu_free(monfd);
2117
        return;
2118
    }
2119

    
2120
    monitor_printf(mon, "Failed to find file descriptor named %s\n",
2121
                   fdname);
2122
}
2123

    
2124
static void do_loadvm(Monitor *mon, const QDict *qdict)
2125
{
2126
    int saved_vm_running  = vm_running;
2127
    const char *name = qdict_get_str(qdict, "name");
2128

    
2129
    vm_stop(0);
2130

    
2131
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2132
        vm_start();
2133
}
2134

    
2135
int monitor_get_fd(Monitor *mon, const char *fdname)
2136
{
2137
    mon_fd_t *monfd;
2138

    
2139
    QLIST_FOREACH(monfd, &mon->fds, next) {
2140
        int fd;
2141

    
2142
        if (strcmp(monfd->name, fdname) != 0) {
2143
            continue;
2144
        }
2145

    
2146
        fd = monfd->fd;
2147

    
2148
        /* caller takes ownership of fd */
2149
        QLIST_REMOVE(monfd, next);
2150
        qemu_free(monfd->name);
2151
        qemu_free(monfd);
2152

    
2153
        return fd;
2154
    }
2155

    
2156
    return -1;
2157
}
2158

    
2159
static const mon_cmd_t mon_cmds[] = {
2160
#include "qemu-monitor.h"
2161
    { NULL, NULL, },
2162
};
2163

    
2164
/* Please update qemu-monitor.hx when adding or changing commands */
2165
static const mon_cmd_t info_cmds[] = {
2166
    {
2167
        .name       = "version",
2168
        .args_type  = "",
2169
        .params     = "",
2170
        .help       = "show the version of QEMU",
2171
        .user_print = monitor_print_qobject,
2172
        .mhandler.info_new = do_info_version,
2173
    },
2174
    {
2175
        .name       = "commands",
2176
        .args_type  = "",
2177
        .params     = "",
2178
        .help       = "list QMP available commands",
2179
        .user_print = monitor_user_noop,
2180
        .mhandler.info_new = do_info_commands,
2181
    },
2182
    {
2183
        .name       = "network",
2184
        .args_type  = "",
2185
        .params     = "",
2186
        .help       = "show the network state",
2187
        .mhandler.info = do_info_network,
2188
    },
2189
    {
2190
        .name       = "chardev",
2191
        .args_type  = "",
2192
        .params     = "",
2193
        .help       = "show the character devices",
2194
        .mhandler.info = qemu_chr_info,
2195
    },
2196
    {
2197
        .name       = "block",
2198
        .args_type  = "",
2199
        .params     = "",
2200
        .help       = "show the block devices",
2201
        .mhandler.info = bdrv_info,
2202
    },
2203
    {
2204
        .name       = "blockstats",
2205
        .args_type  = "",
2206
        .params     = "",
2207
        .help       = "show block device statistics",
2208
        .mhandler.info = bdrv_info_stats,
2209
    },
2210
    {
2211
        .name       = "registers",
2212
        .args_type  = "",
2213
        .params     = "",
2214
        .help       = "show the cpu registers",
2215
        .mhandler.info = do_info_registers,
2216
    },
2217
    {
2218
        .name       = "cpus",
2219
        .args_type  = "",
2220
        .params     = "",
2221
        .help       = "show infos for each CPU",
2222
        .user_print = monitor_print_cpus,
2223
        .mhandler.info_new = do_info_cpus,
2224
    },
2225
    {
2226
        .name       = "history",
2227
        .args_type  = "",
2228
        .params     = "",
2229
        .help       = "show the command line history",
2230
        .mhandler.info = do_info_history,
2231
    },
2232
    {
2233
        .name       = "irq",
2234
        .args_type  = "",
2235
        .params     = "",
2236
        .help       = "show the interrupts statistics (if available)",
2237
        .mhandler.info = irq_info,
2238
    },
2239
    {
2240
        .name       = "pic",
2241
        .args_type  = "",
2242
        .params     = "",
2243
        .help       = "show i8259 (PIC) state",
2244
        .mhandler.info = pic_info,
2245
    },
2246
    {
2247
        .name       = "pci",
2248
        .args_type  = "",
2249
        .params     = "",
2250
        .help       = "show PCI info",
2251
        .mhandler.info = pci_info,
2252
    },
2253
#if defined(TARGET_I386) || defined(TARGET_SH4)
2254
    {
2255
        .name       = "tlb",
2256
        .args_type  = "",
2257
        .params     = "",
2258
        .help       = "show virtual to physical memory mappings",
2259
        .mhandler.info = tlb_info,
2260
    },
2261
#endif
2262
#if defined(TARGET_I386)
2263
    {
2264
        .name       = "mem",
2265
        .args_type  = "",
2266
        .params     = "",
2267
        .help       = "show the active virtual memory mappings",
2268
        .mhandler.info = mem_info,
2269
    },
2270
    {
2271
        .name       = "hpet",
2272
        .args_type  = "",
2273
        .params     = "",
2274
        .help       = "show state of HPET",
2275
        .mhandler.info = do_info_hpet,
2276
    },
2277
#endif
2278
    {
2279
        .name       = "jit",
2280
        .args_type  = "",
2281
        .params     = "",
2282
        .help       = "show dynamic compiler info",
2283
        .mhandler.info = do_info_jit,
2284
    },
2285
    {
2286
        .name       = "kvm",
2287
        .args_type  = "",
2288
        .params     = "",
2289
        .help       = "show KVM information",
2290
        .mhandler.info = do_info_kvm,
2291
    },
2292
    {
2293
        .name       = "numa",
2294
        .args_type  = "",
2295
        .params     = "",
2296
        .help       = "show NUMA information",
2297
        .mhandler.info = do_info_numa,
2298
    },
2299
    {
2300
        .name       = "usb",
2301
        .args_type  = "",
2302
        .params     = "",
2303
        .help       = "show guest USB devices",
2304
        .mhandler.info = usb_info,
2305
    },
2306
    {
2307
        .name       = "usbhost",
2308
        .args_type  = "",
2309
        .params     = "",
2310
        .help       = "show host USB devices",
2311
        .mhandler.info = usb_host_info,
2312
    },
2313
    {
2314
        .name       = "profile",
2315
        .args_type  = "",
2316
        .params     = "",
2317
        .help       = "show profiling information",
2318
        .mhandler.info = do_info_profile,
2319
    },
2320
    {
2321
        .name       = "capture",
2322
        .args_type  = "",
2323
        .params     = "",
2324
        .help       = "show capture information",
2325
        .mhandler.info = do_info_capture,
2326
    },
2327
    {
2328
        .name       = "snapshots",
2329
        .args_type  = "",
2330
        .params     = "",
2331
        .help       = "show the currently saved VM snapshots",
2332
        .mhandler.info = do_info_snapshots,
2333
    },
2334
    {
2335
        .name       = "status",
2336
        .args_type  = "",
2337
        .params     = "",
2338
        .help       = "show the current VM status (running|paused)",
2339
        .mhandler.info = do_info_status,
2340
    },
2341
    {
2342
        .name       = "pcmcia",
2343
        .args_type  = "",
2344
        .params     = "",
2345
        .help       = "show guest PCMCIA status",
2346
        .mhandler.info = pcmcia_info,
2347
    },
2348
    {
2349
        .name       = "mice",
2350
        .args_type  = "",
2351
        .params     = "",
2352
        .help       = "show which guest mouse is receiving events",
2353
        .mhandler.info = do_info_mice,
2354
    },
2355
    {
2356
        .name       = "vnc",
2357
        .args_type  = "",
2358
        .params     = "",
2359
        .help       = "show the vnc server status",
2360
        .mhandler.info = do_info_vnc,
2361
    },
2362
    {
2363
        .name       = "name",
2364
        .args_type  = "",
2365
        .params     = "",
2366
        .help       = "show the current VM name",
2367
        .mhandler.info = do_info_name,
2368
    },
2369
    {
2370
        .name       = "uuid",
2371
        .args_type  = "",
2372
        .params     = "",
2373
        .help       = "show the current VM UUID",
2374
        .mhandler.info = do_info_uuid,
2375
    },
2376
#if defined(TARGET_PPC)
2377
    {
2378
        .name       = "cpustats",
2379
        .args_type  = "",
2380
        .params     = "",
2381
        .help       = "show CPU statistics",
2382
        .mhandler.info = do_info_cpu_stats,
2383
    },
2384
#endif
2385
#if defined(CONFIG_SLIRP)
2386
    {
2387
        .name       = "usernet",
2388
        .args_type  = "",
2389
        .params     = "",
2390
        .help       = "show user network stack connection states",
2391
        .mhandler.info = do_info_usernet,
2392
    },
2393
#endif
2394
    {
2395
        .name       = "migrate",
2396
        .args_type  = "",
2397
        .params     = "",
2398
        .help       = "show migration status",
2399
        .mhandler.info = do_info_migrate,
2400
    },
2401
    {
2402
        .name       = "balloon",
2403
        .args_type  = "",
2404
        .params     = "",
2405
        .help       = "show balloon information",
2406
        .user_print = monitor_print_balloon,
2407
        .mhandler.info_new = do_info_balloon,
2408
    },
2409
    {
2410
        .name       = "qtree",
2411
        .args_type  = "",
2412
        .params     = "",
2413
        .help       = "show device tree",
2414
        .mhandler.info = do_info_qtree,
2415
    },
2416
    {
2417
        .name       = "qdm",
2418
        .args_type  = "",
2419
        .params     = "",
2420
        .help       = "show qdev device model list",
2421
        .mhandler.info = do_info_qdm,
2422
    },
2423
    {
2424
        .name       = "roms",
2425
        .args_type  = "",
2426
        .params     = "",
2427
        .help       = "show roms",
2428
        .mhandler.info = do_info_roms,
2429
    },
2430
    {
2431
        .name       = NULL,
2432
    },
2433
};
2434

    
2435
/*******************************************************************/
2436

    
2437
static const char *pch;
2438
static jmp_buf expr_env;
2439

    
2440
#define MD_TLONG 0
2441
#define MD_I32   1
2442

    
2443
typedef struct MonitorDef {
2444
    const char *name;
2445
    int offset;
2446
    target_long (*get_value)(const struct MonitorDef *md, int val);
2447
    int type;
2448
} MonitorDef;
2449

    
2450
#if defined(TARGET_I386)
2451
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2452
{
2453
    CPUState *env = mon_get_cpu();
2454
    if (!env)
2455
        return 0;
2456
    return env->eip + env->segs[R_CS].base;
2457
}
2458
#endif
2459

    
2460
#if defined(TARGET_PPC)
2461
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2462
{
2463
    CPUState *env = mon_get_cpu();
2464
    unsigned int u;
2465
    int i;
2466

    
2467
    if (!env)
2468
        return 0;
2469

    
2470
    u = 0;
2471
    for (i = 0; i < 8; i++)
2472
        u |= env->crf[i] << (32 - (4 * i));
2473

    
2474
    return u;
2475
}
2476

    
2477
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2478
{
2479
    CPUState *env = mon_get_cpu();
2480
    if (!env)
2481
        return 0;
2482
    return env->msr;
2483
}
2484

    
2485
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2486
{
2487
    CPUState *env = mon_get_cpu();
2488
    if (!env)
2489
        return 0;
2490
    return env->xer;
2491
}
2492

    
2493
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2494
{
2495
    CPUState *env = mon_get_cpu();
2496
    if (!env)
2497
        return 0;
2498
    return cpu_ppc_load_decr(env);
2499
}
2500

    
2501
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2502
{
2503
    CPUState *env = mon_get_cpu();
2504
    if (!env)
2505
        return 0;
2506
    return cpu_ppc_load_tbu(env);
2507
}
2508

    
2509
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2510
{
2511
    CPUState *env = mon_get_cpu();
2512
    if (!env)
2513
        return 0;
2514
    return cpu_ppc_load_tbl(env);
2515
}
2516
#endif
2517

    
2518
#if defined(TARGET_SPARC)
2519
#ifndef TARGET_SPARC64
2520
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2521
{
2522
    CPUState *env = mon_get_cpu();
2523
    if (!env)
2524
        return 0;
2525
    return GET_PSR(env);
2526
}
2527
#endif
2528

    
2529
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2530
{
2531
    CPUState *env = mon_get_cpu();
2532
    if (!env)
2533
        return 0;
2534
    return env->regwptr[val];
2535
}
2536
#endif
2537

    
2538
static const MonitorDef monitor_defs[] = {
2539
#ifdef TARGET_I386
2540

    
2541
#define SEG(name, seg) \
2542
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2543
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2544
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2545

    
2546
    { "eax", offsetof(CPUState, regs[0]) },
2547
    { "ecx", offsetof(CPUState, regs[1]) },
2548
    { "edx", offsetof(CPUState, regs[2]) },
2549
    { "ebx", offsetof(CPUState, regs[3]) },
2550
    { "esp|sp", offsetof(CPUState, regs[4]) },
2551
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2552
    { "esi", offsetof(CPUState, regs[6]) },
2553
    { "edi", offsetof(CPUState, regs[7]) },
2554
#ifdef TARGET_X86_64
2555
    { "r8", offsetof(CPUState, regs[8]) },
2556
    { "r9", offsetof(CPUState, regs[9]) },
2557
    { "r10", offsetof(CPUState, regs[10]) },
2558
    { "r11", offsetof(CPUState, regs[11]) },
2559
    { "r12", offsetof(CPUState, regs[12]) },
2560
    { "r13", offsetof(CPUState, regs[13]) },
2561
    { "r14", offsetof(CPUState, regs[14]) },
2562
    { "r15", offsetof(CPUState, regs[15]) },
2563
#endif
2564
    { "eflags", offsetof(CPUState, eflags) },
2565
    { "eip", offsetof(CPUState, eip) },
2566
    SEG("cs", R_CS)
2567
    SEG("ds", R_DS)
2568
    SEG("es", R_ES)
2569
    SEG("ss", R_SS)
2570
    SEG("fs", R_FS)
2571
    SEG("gs", R_GS)
2572
    { "pc", 0, monitor_get_pc, },
2573
#elif defined(TARGET_PPC)
2574
    /* General purpose registers */
2575
    { "r0", offsetof(CPUState, gpr[0]) },
2576
    { "r1", offsetof(CPUState, gpr[1]) },
2577
    { "r2", offsetof(CPUState, gpr[2]) },
2578
    { "r3", offsetof(CPUState, gpr[3]) },
2579
    { "r4", offsetof(CPUState, gpr[4]) },
2580
    { "r5", offsetof(CPUState, gpr[5]) },
2581
    { "r6", offsetof(CPUState, gpr[6]) },
2582
    { "r7", offsetof(CPUState, gpr[7]) },
2583
    { "r8", offsetof(CPUState, gpr[8]) },
2584
    { "r9", offsetof(CPUState, gpr[9]) },
2585
    { "r10", offsetof(CPUState, gpr[10]) },
2586
    { "r11", offsetof(CPUState, gpr[11]) },
2587
    { "r12", offsetof(CPUState, gpr[12]) },
2588
    { "r13", offsetof(CPUState, gpr[13]) },
2589
    { "r14", offsetof(CPUState, gpr[14]) },
2590
    { "r15", offsetof(CPUState, gpr[15]) },
2591
    { "r16", offsetof(CPUState, gpr[16]) },
2592
    { "r17", offsetof(CPUState, gpr[17]) },
2593
    { "r18", offsetof(CPUState, gpr[18]) },
2594
    { "r19", offsetof(CPUState, gpr[19]) },
2595
    { "r20", offsetof(CPUState, gpr[20]) },
2596
    { "r21", offsetof(CPUState, gpr[21]) },
2597
    { "r22", offsetof(CPUState, gpr[22]) },
2598
    { "r23", offsetof(CPUState, gpr[23]) },
2599
    { "r24", offsetof(CPUState, gpr[24]) },
2600
    { "r25", offsetof(CPUState, gpr[25]) },
2601
    { "r26", offsetof(CPUState, gpr[26]) },
2602
    { "r27", offsetof(CPUState, gpr[27]) },
2603
    { "r28", offsetof(CPUState, gpr[28]) },
2604
    { "r29", offsetof(CPUState, gpr[29]) },
2605
    { "r30", offsetof(CPUState, gpr[30]) },
2606
    { "r31", offsetof(CPUState, gpr[31]) },
2607
    /* Floating point registers */
2608
    { "f0", offsetof(CPUState, fpr[0]) },
2609
    { "f1", offsetof(CPUState, fpr[1]) },
2610
    { "f2", offsetof(CPUState, fpr[2]) },
2611
    { "f3", offsetof(CPUState, fpr[3]) },
2612
    { "f4", offsetof(CPUState, fpr[4]) },
2613
    { "f5", offsetof(CPUState, fpr[5]) },
2614
    { "f6", offsetof(CPUState, fpr[6]) },
2615
    { "f7", offsetof(CPUState, fpr[7]) },
2616
    { "f8", offsetof(CPUState, fpr[8]) },
2617
    { "f9", offsetof(CPUState, fpr[9]) },
2618
    { "f10", offsetof(CPUState, fpr[10]) },
2619
    { "f11", offsetof(CPUState, fpr[11]) },
2620
    { "f12", offsetof(CPUState, fpr[12]) },
2621
    { "f13", offsetof(CPUState, fpr[13]) },
2622
    { "f14", offsetof(CPUState, fpr[14]) },
2623
    { "f15", offsetof(CPUState, fpr[15]) },
2624
    { "f16", offsetof(CPUState, fpr[16]) },
2625
    { "f17", offsetof(CPUState, fpr[17]) },
2626
    { "f18", offsetof(CPUState, fpr[18]) },
2627
    { "f19", offsetof(CPUState, fpr[19]) },
2628
    { "f20", offsetof(CPUState, fpr[20]) },
2629
    { "f21", offsetof(CPUState, fpr[21]) },
2630
    { "f22", offsetof(CPUState, fpr[22]) },
2631
    { "f23", offsetof(CPUState, fpr[23]) },
2632
    { "f24", offsetof(CPUState, fpr[24]) },
2633
    { "f25", offsetof(CPUState, fpr[25]) },
2634
    { "f26", offsetof(CPUState, fpr[26]) },
2635
    { "f27", offsetof(CPUState, fpr[27]) },
2636
    { "f28", offsetof(CPUState, fpr[28]) },
2637
    { "f29", offsetof(CPUState, fpr[29]) },
2638
    { "f30", offsetof(CPUState, fpr[30]) },
2639
    { "f31", offsetof(CPUState, fpr[31]) },
2640
    { "fpscr", offsetof(CPUState, fpscr) },
2641
    /* Next instruction pointer */
2642
    { "nip|pc", offsetof(CPUState, nip) },
2643
    { "lr", offsetof(CPUState, lr) },
2644
    { "ctr", offsetof(CPUState, ctr) },
2645
    { "decr", 0, &monitor_get_decr, },
2646
    { "ccr", 0, &monitor_get_ccr, },
2647
    /* Machine state register */
2648
    { "msr", 0, &monitor_get_msr, },
2649
    { "xer", 0, &monitor_get_xer, },
2650
    { "tbu", 0, &monitor_get_tbu, },
2651
    { "tbl", 0, &monitor_get_tbl, },
2652
#if defined(TARGET_PPC64)
2653
    /* Address space register */
2654
    { "asr", offsetof(CPUState, asr) },
2655
#endif
2656
    /* Segment registers */
2657
    { "sdr1", offsetof(CPUState, sdr1) },
2658
    { "sr0", offsetof(CPUState, sr[0]) },
2659
    { "sr1", offsetof(CPUState, sr[1]) },
2660
    { "sr2", offsetof(CPUState, sr[2]) },
2661
    { "sr3", offsetof(CPUState, sr[3]) },
2662
    { "sr4", offsetof(CPUState, sr[4]) },
2663
    { "sr5", offsetof(CPUState, sr[5]) },
2664
    { "sr6", offsetof(CPUState, sr[6]) },
2665
    { "sr7", offsetof(CPUState, sr[7]) },
2666
    { "sr8", offsetof(CPUState, sr[8]) },
2667
    { "sr9", offsetof(CPUState, sr[9]) },
2668
    { "sr10", offsetof(CPUState, sr[10]) },
2669
    { "sr11", offsetof(CPUState, sr[11]) },
2670
    { "sr12", offsetof(CPUState, sr[12]) },
2671
    { "sr13", offsetof(CPUState, sr[13]) },
2672
    { "sr14", offsetof(CPUState, sr[14]) },
2673
    { "sr15", offsetof(CPUState, sr[15]) },
2674
    /* Too lazy to put BATs and SPRs ... */
2675
#elif defined(TARGET_SPARC)
2676
    { "g0", offsetof(CPUState, gregs[0]) },
2677
    { "g1", offsetof(CPUState, gregs[1]) },
2678
    { "g2", offsetof(CPUState, gregs[2]) },
2679
    { "g3", offsetof(CPUState, gregs[3]) },
2680
    { "g4", offsetof(CPUState, gregs[4]) },
2681
    { "g5", offsetof(CPUState, gregs[5]) },
2682
    { "g6", offsetof(CPUState, gregs[6]) },
2683
    { "g7", offsetof(CPUState, gregs[7]) },
2684
    { "o0", 0, monitor_get_reg },
2685
    { "o1", 1, monitor_get_reg },
2686
    { "o2", 2, monitor_get_reg },
2687
    { "o3", 3, monitor_get_reg },
2688
    { "o4", 4, monitor_get_reg },
2689
    { "o5", 5, monitor_get_reg },
2690
    { "o6", 6, monitor_get_reg },
2691
    { "o7", 7, monitor_get_reg },
2692
    { "l0", 8, monitor_get_reg },
2693
    { "l1", 9, monitor_get_reg },
2694
    { "l2", 10, monitor_get_reg },
2695
    { "l3", 11, monitor_get_reg },
2696
    { "l4", 12, monitor_get_reg },
2697
    { "l5", 13, monitor_get_reg },
2698
    { "l6", 14, monitor_get_reg },
2699
    { "l7", 15, monitor_get_reg },
2700
    { "i0", 16, monitor_get_reg },
2701
    { "i1", 17, monitor_get_reg },
2702
    { "i2", 18, monitor_get_reg },
2703
    { "i3", 19, monitor_get_reg },
2704
    { "i4", 20, monitor_get_reg },
2705
    { "i5", 21, monitor_get_reg },
2706
    { "i6", 22, monitor_get_reg },
2707
    { "i7", 23, monitor_get_reg },
2708
    { "pc", offsetof(CPUState, pc) },
2709
    { "npc", offsetof(CPUState, npc) },
2710
    { "y", offsetof(CPUState, y) },
2711
#ifndef TARGET_SPARC64
2712
    { "psr", 0, &monitor_get_psr, },
2713
    { "wim", offsetof(CPUState, wim) },
2714
#endif
2715
    { "tbr", offsetof(CPUState, tbr) },
2716
    { "fsr", offsetof(CPUState, fsr) },
2717
    { "f0", offsetof(CPUState, fpr[0]) },
2718
    { "f1", offsetof(CPUState, fpr[1]) },
2719
    { "f2", offsetof(CPUState, fpr[2]) },
2720
    { "f3", offsetof(CPUState, fpr[3]) },
2721
    { "f4", offsetof(CPUState, fpr[4]) },
2722
    { "f5", offsetof(CPUState, fpr[5]) },
2723
    { "f6", offsetof(CPUState, fpr[6]) },
2724
    { "f7", offsetof(CPUState, fpr[7]) },
2725
    { "f8", offsetof(CPUState, fpr[8]) },
2726
    { "f9", offsetof(CPUState, fpr[9]) },
2727
    { "f10", offsetof(CPUState, fpr[10]) },
2728
    { "f11", offsetof(CPUState, fpr[11]) },
2729
    { "f12", offsetof(CPUState, fpr[12]) },
2730
    { "f13", offsetof(CPUState, fpr[13]) },
2731
    { "f14", offsetof(CPUState, fpr[14]) },
2732
    { "f15", offsetof(CPUState, fpr[15]) },
2733
    { "f16", offsetof(CPUState, fpr[16]) },
2734
    { "f17", offsetof(CPUState, fpr[17]) },
2735
    { "f18", offsetof(CPUState, fpr[18]) },
2736
    { "f19", offsetof(CPUState, fpr[19]) },
2737
    { "f20", offsetof(CPUState, fpr[20]) },
2738
    { "f21", offsetof(CPUState, fpr[21]) },
2739
    { "f22", offsetof(CPUState, fpr[22]) },
2740
    { "f23", offsetof(CPUState, fpr[23]) },
2741
    { "f24", offsetof(CPUState, fpr[24]) },
2742
    { "f25", offsetof(CPUState, fpr[25]) },
2743
    { "f26", offsetof(CPUState, fpr[26]) },
2744
    { "f27", offsetof(CPUState, fpr[27]) },
2745
    { "f28", offsetof(CPUState, fpr[28]) },
2746
    { "f29", offsetof(CPUState, fpr[29]) },
2747
    { "f30", offsetof(CPUState, fpr[30]) },
2748
    { "f31", offsetof(CPUState, fpr[31]) },
2749
#ifdef TARGET_SPARC64
2750
    { "f32", offsetof(CPUState, fpr[32]) },
2751
    { "f34", offsetof(CPUState, fpr[34]) },
2752
    { "f36", offsetof(CPUState, fpr[36]) },
2753
    { "f38", offsetof(CPUState, fpr[38]) },
2754
    { "f40", offsetof(CPUState, fpr[40]) },
2755
    { "f42", offsetof(CPUState, fpr[42]) },
2756
    { "f44", offsetof(CPUState, fpr[44]) },
2757
    { "f46", offsetof(CPUState, fpr[46]) },
2758
    { "f48", offsetof(CPUState, fpr[48]) },
2759
    { "f50", offsetof(CPUState, fpr[50]) },
2760
    { "f52", offsetof(CPUState, fpr[52]) },
2761
    { "f54", offsetof(CPUState, fpr[54]) },
2762
    { "f56", offsetof(CPUState, fpr[56]) },
2763
    { "f58", offsetof(CPUState, fpr[58]) },
2764
    { "f60", offsetof(CPUState, fpr[60]) },
2765
    { "f62", offsetof(CPUState, fpr[62]) },
2766
    { "asi", offsetof(CPUState, asi) },
2767
    { "pstate", offsetof(CPUState, pstate) },
2768
    { "cansave", offsetof(CPUState, cansave) },
2769
    { "canrestore", offsetof(CPUState, canrestore) },
2770
    { "otherwin", offsetof(CPUState, otherwin) },
2771
    { "wstate", offsetof(CPUState, wstate) },
2772
    { "cleanwin", offsetof(CPUState, cleanwin) },
2773
    { "fprs", offsetof(CPUState, fprs) },
2774
#endif
2775
#endif
2776
    { NULL },
2777
};
2778

    
2779
static void expr_error(Monitor *mon, const char *msg)
2780
{
2781
    monitor_printf(mon, "%s\n", msg);
2782
    longjmp(expr_env, 1);
2783
}
2784

    
2785
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2786
static int get_monitor_def(target_long *pval, const char *name)
2787
{
2788
    const MonitorDef *md;
2789
    void *ptr;
2790

    
2791
    for(md = monitor_defs; md->name != NULL; md++) {
2792
        if (compare_cmd(name, md->name)) {
2793
            if (md->get_value) {
2794
                *pval = md->get_value(md, md->offset);
2795
            } else {
2796
                CPUState *env = mon_get_cpu();
2797
                if (!env)
2798
                    return -2;
2799
                ptr = (uint8_t *)env + md->offset;
2800
                switch(md->type) {
2801
                case MD_I32:
2802
                    *pval = *(int32_t *)ptr;
2803
                    break;
2804
                case MD_TLONG:
2805
                    *pval = *(target_long *)ptr;
2806
                    break;
2807
                default:
2808
                    *pval = 0;
2809
                    break;
2810
                }
2811
            }
2812
            return 0;
2813
        }
2814
    }
2815
    return -1;
2816
}
2817

    
2818
static void next(void)
2819
{
2820
    if (*pch != '\0') {
2821
        pch++;
2822
        while (qemu_isspace(*pch))
2823
            pch++;
2824
    }
2825
}
2826

    
2827
static int64_t expr_sum(Monitor *mon);
2828

    
2829
static int64_t expr_unary(Monitor *mon)
2830
{
2831
    int64_t n;
2832
    char *p;
2833
    int ret;
2834

    
2835
    switch(*pch) {
2836
    case '+':
2837
        next();
2838
        n = expr_unary(mon);
2839
        break;
2840
    case '-':
2841
        next();
2842
        n = -expr_unary(mon);
2843
        break;
2844
    case '~':
2845
        next();
2846
        n = ~expr_unary(mon);
2847
        break;
2848
    case '(':
2849
        next();
2850
        n = expr_sum(mon);
2851
        if (*pch != ')') {
2852
            expr_error(mon, "')' expected");
2853
        }
2854
        next();
2855
        break;
2856
    case '\'':
2857
        pch++;
2858
        if (*pch == '\0')
2859
            expr_error(mon, "character constant expected");
2860
        n = *pch;
2861
        pch++;
2862
        if (*pch != '\'')
2863
            expr_error(mon, "missing terminating \' character");
2864
        next();
2865
        break;
2866
    case '$':
2867
        {
2868
            char buf[128], *q;
2869
            target_long reg=0;
2870

    
2871
            pch++;
2872
            q = buf;
2873
            while ((*pch >= 'a' && *pch <= 'z') ||
2874
                   (*pch >= 'A' && *pch <= 'Z') ||
2875
                   (*pch >= '0' && *pch <= '9') ||
2876
                   *pch == '_' || *pch == '.') {
2877
                if ((q - buf) < sizeof(buf) - 1)
2878
                    *q++ = *pch;
2879
                pch++;
2880
            }
2881
            while (qemu_isspace(*pch))
2882
                pch++;
2883
            *q = 0;
2884
            ret = get_monitor_def(&reg, buf);
2885
            if (ret == -1)
2886
                expr_error(mon, "unknown register");
2887
            else if (ret == -2)
2888
                expr_error(mon, "no cpu defined");
2889
            n = reg;
2890
        }
2891
        break;
2892
    case '\0':
2893
        expr_error(mon, "unexpected end of expression");
2894
        n = 0;
2895
        break;
2896
    default:
2897
#if TARGET_PHYS_ADDR_BITS > 32
2898
        n = strtoull(pch, &p, 0);
2899
#else
2900
        n = strtoul(pch, &p, 0);
2901
#endif
2902
        if (pch == p) {
2903
            expr_error(mon, "invalid char in expression");
2904
        }
2905
        pch = p;
2906
        while (qemu_isspace(*pch))
2907
            pch++;
2908
        break;
2909
    }
2910
    return n;
2911
}
2912

    
2913

    
2914
static int64_t expr_prod(Monitor *mon)
2915
{
2916
    int64_t val, val2;
2917
    int op;
2918

    
2919
    val = expr_unary(mon);
2920
    for(;;) {
2921
        op = *pch;
2922
        if (op != '*' && op != '/' && op != '%')
2923
            break;
2924
        next();
2925
        val2 = expr_unary(mon);
2926
        switch(op) {
2927
        default:
2928
        case '*':
2929
            val *= val2;
2930
            break;
2931
        case '/':
2932
        case '%':
2933
            if (val2 == 0)
2934
                expr_error(mon, "division by zero");
2935
            if (op == '/')
2936
                val /= val2;
2937
            else
2938
                val %= val2;
2939
            break;
2940
        }
2941
    }
2942
    return val;
2943
}
2944

    
2945
static int64_t expr_logic(Monitor *mon)
2946
{
2947
    int64_t val, val2;
2948
    int op;
2949

    
2950
    val = expr_prod(mon);
2951
    for(;;) {
2952
        op = *pch;
2953
        if (op != '&' && op != '|' && op != '^')
2954
            break;
2955
        next();
2956
        val2 = expr_prod(mon);
2957
        switch(op) {
2958
        default:
2959
        case '&':
2960
            val &= val2;
2961
            break;
2962
        case '|':
2963
            val |= val2;
2964
            break;
2965
        case '^':
2966
            val ^= val2;
2967
            break;
2968
        }
2969
    }
2970
    return val;
2971
}
2972

    
2973
static int64_t expr_sum(Monitor *mon)
2974
{
2975
    int64_t val, val2;
2976
    int op;
2977

    
2978
    val = expr_logic(mon);
2979
    for(;;) {
2980
        op = *pch;
2981
        if (op != '+' && op != '-')
2982
            break;
2983
        next();
2984
        val2 = expr_logic(mon);
2985
        if (op == '+')
2986
            val += val2;
2987
        else
2988
            val -= val2;
2989
    }
2990
    return val;
2991
}
2992

    
2993
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2994
{
2995
    pch = *pp;
2996
    if (setjmp(expr_env)) {
2997
        *pp = pch;
2998
        return -1;
2999
    }
3000
    while (qemu_isspace(*pch))
3001
        pch++;
3002
    *pval = expr_sum(mon);
3003
    *pp = pch;
3004
    return 0;
3005
}
3006

    
3007
static int get_str(char *buf, int buf_size, const char **pp)
3008
{
3009
    const char *p;
3010
    char *q;
3011
    int c;
3012

    
3013
    q = buf;
3014
    p = *pp;
3015
    while (qemu_isspace(*p))
3016
        p++;
3017
    if (*p == '\0') {
3018
    fail:
3019
        *q = '\0';
3020
        *pp = p;
3021
        return -1;
3022
    }
3023
    if (*p == '\"') {
3024
        p++;
3025
        while (*p != '\0' && *p != '\"') {
3026
            if (*p == '\\') {
3027
                p++;
3028
                c = *p++;
3029
                switch(c) {
3030
                case 'n':
3031
                    c = '\n';
3032
                    break;
3033
                case 'r':
3034
                    c = '\r';
3035
                    break;
3036
                case '\\':
3037
                case '\'':
3038
                case '\"':
3039
                    break;
3040
                default:
3041
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
3042
                    goto fail;
3043
                }
3044
                if ((q - buf) < buf_size - 1) {
3045
                    *q++ = c;
3046
                }
3047
            } else {
3048
                if ((q - buf) < buf_size - 1) {
3049
                    *q++ = *p;
3050
                }
3051
                p++;
3052
            }
3053
        }
3054
        if (*p != '\"') {
3055
            qemu_printf("unterminated string\n");
3056
            goto fail;
3057
        }
3058
        p++;
3059
    } else {
3060
        while (*p != '\0' && !qemu_isspace(*p)) {
3061
            if ((q - buf) < buf_size - 1) {
3062
                *q++ = *p;
3063
            }
3064
            p++;
3065
        }
3066
    }
3067
    *q = '\0';
3068
    *pp = p;
3069
    return 0;
3070
}
3071

    
3072
/*
3073
 * Store the command-name in cmdname, and return a pointer to
3074
 * the remaining of the command string.
3075
 */
3076
static const char *get_command_name(const char *cmdline,
3077
                                    char *cmdname, size_t nlen)
3078
{
3079
    size_t len;
3080
    const char *p, *pstart;
3081

    
3082
    p = cmdline;
3083
    while (qemu_isspace(*p))
3084
        p++;
3085
    if (*p == '\0')
3086
        return NULL;
3087
    pstart = p;
3088
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3089
        p++;
3090
    len = p - pstart;
3091
    if (len > nlen - 1)
3092
        len = nlen - 1;
3093
    memcpy(cmdname, pstart, len);
3094
    cmdname[len] = '\0';
3095
    return p;
3096
}
3097

    
3098
/**
3099
 * Read key of 'type' into 'key' and return the current
3100
 * 'type' pointer.
3101
 */
3102
static char *key_get_info(const char *type, char **key)
3103
{
3104
    size_t len;
3105
    char *p, *str;
3106

    
3107
    if (*type == ',')
3108
        type++;
3109

    
3110
    p = strchr(type, ':');
3111
    if (!p) {
3112
        *key = NULL;
3113
        return NULL;
3114
    }
3115
    len = p - type;
3116

    
3117
    str = qemu_malloc(len + 1);
3118
    memcpy(str, type, len);
3119
    str[len] = '\0';
3120

    
3121
    *key = str;
3122
    return ++p;
3123
}
3124

    
3125
static int default_fmt_format = 'x';
3126
static int default_fmt_size = 4;
3127

    
3128
#define MAX_ARGS 16
3129

    
3130
static int is_valid_option(const char *c, const char *typestr)
3131
{
3132
    char option[3];
3133
  
3134
    option[0] = '-';
3135
    option[1] = *c;
3136
    option[2] = '\0';
3137
  
3138
    typestr = strstr(typestr, option);
3139
    return (typestr != NULL);
3140
}
3141

    
3142
static const mon_cmd_t *monitor_find_command(const char *cmdname)
3143
{
3144
    const mon_cmd_t *cmd;
3145

    
3146
    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3147
        if (compare_cmd(cmdname, cmd->name)) {
3148
            return cmd;
3149
        }
3150
    }
3151

    
3152
    return NULL;
3153
}
3154

    
3155
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3156
                                              const char *cmdline,
3157
                                              QDict *qdict)
3158
{
3159
    const char *p, *typestr;
3160
    int c;
3161
    const mon_cmd_t *cmd;
3162
    char cmdname[256];
3163
    char buf[1024];
3164
    char *key;
3165

    
3166
#ifdef DEBUG
3167
    monitor_printf(mon, "command='%s'\n", cmdline);
3168
#endif
3169

    
3170
    /* extract the command name */
3171
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3172
    if (!p)
3173
        return NULL;
3174

    
3175
    cmd = monitor_find_command(cmdname);
3176
    if (!cmd) {
3177
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3178
        return NULL;
3179
    }
3180

    
3181
    /* parse the parameters */
3182
    typestr = cmd->args_type;
3183
    for(;;) {
3184
        typestr = key_get_info(typestr, &key);
3185
        if (!typestr)
3186
            break;
3187
        c = *typestr;
3188
        typestr++;
3189
        switch(c) {
3190
        case 'F':
3191
        case 'B':
3192
        case 's':
3193
            {
3194
                int ret;
3195

    
3196
                while (qemu_isspace(*p))
3197
                    p++;
3198
                if (*typestr == '?') {
3199
                    typestr++;
3200
                    if (*p == '\0') {
3201
                        /* no optional string: NULL argument */
3202
                        break;
3203
                    }
3204
                }
3205
                ret = get_str(buf, sizeof(buf), &p);
3206
                if (ret < 0) {
3207
                    switch(c) {
3208
                    case 'F':
3209
                        monitor_printf(mon, "%s: filename expected\n",
3210
                                       cmdname);
3211
                        break;
3212
                    case 'B':
3213
                        monitor_printf(mon, "%s: block device name expected\n",
3214
                                       cmdname);
3215
                        break;
3216
                    default:
3217
                        monitor_printf(mon, "%s: string expected\n", cmdname);
3218
                        break;
3219
                    }
3220
                    goto fail;
3221
                }
3222
                qdict_put(qdict, key, qstring_from_str(buf));
3223
            }
3224
            break;
3225
        case '/':
3226
            {
3227
                int count, format, size;
3228

    
3229
                while (qemu_isspace(*p))
3230
                    p++;
3231
                if (*p == '/') {
3232
                    /* format found */
3233
                    p++;
3234
                    count = 1;
3235
                    if (qemu_isdigit(*p)) {
3236
                        count = 0;
3237
                        while (qemu_isdigit(*p)) {
3238
                            count = count * 10 + (*p - '0');
3239
                            p++;
3240
                        }
3241
                    }
3242
                    size = -1;
3243
                    format = -1;
3244
                    for(;;) {
3245
                        switch(*p) {
3246
                        case 'o':
3247
                        case 'd':
3248
                        case 'u':
3249
                        case 'x':
3250
                        case 'i':
3251
                        case 'c':
3252
                            format = *p++;
3253
                            break;
3254
                        case 'b':
3255
                            size = 1;
3256
                            p++;
3257
                            break;
3258
                        case 'h':
3259
                            size = 2;
3260
                            p++;
3261
                            break;
3262
                        case 'w':
3263
                            size = 4;
3264
                            p++;
3265
                            break;
3266
                        case 'g':
3267
                        case 'L':
3268
                            size = 8;
3269
                            p++;
3270
                            break;
3271
                        default:
3272
                            goto next;
3273
                        }
3274
                    }
3275
                next:
3276
                    if (*p != '\0' && !qemu_isspace(*p)) {
3277
                        monitor_printf(mon, "invalid char in format: '%c'\n",
3278
                                       *p);
3279
                        goto fail;
3280
                    }
3281
                    if (format < 0)
3282
                        format = default_fmt_format;
3283
                    if (format != 'i') {
3284
                        /* for 'i', not specifying a size gives -1 as size */
3285
                        if (size < 0)
3286
                            size = default_fmt_size;
3287
                        default_fmt_size = size;
3288
                    }
3289
                    default_fmt_format = format;
3290
                } else {
3291
                    count = 1;
3292
                    format = default_fmt_format;
3293
                    if (format != 'i') {
3294
                        size = default_fmt_size;
3295
                    } else {
3296
                        size = -1;
3297
                    }
3298
                }
3299
                qdict_put(qdict, "count", qint_from_int(count));
3300
                qdict_put(qdict, "format", qint_from_int(format));
3301
                qdict_put(qdict, "size", qint_from_int(size));
3302
            }
3303
            break;
3304
        case 'i':
3305
        case 'l':
3306
            {
3307
                int64_t val;
3308

    
3309
                while (qemu_isspace(*p))
3310
                    p++;
3311
                if (*typestr == '?' || *typestr == '.') {
3312
                    if (*typestr == '?') {
3313
                        if (*p == '\0') {
3314
                            typestr++;
3315
                            break;
3316
                        }
3317
                    } else {
3318
                        if (*p == '.') {
3319
                            p++;
3320
                            while (qemu_isspace(*p))
3321
                                p++;
3322
                        } else {
3323
                            typestr++;
3324
                            break;
3325
                        }
3326
                    }
3327
                    typestr++;
3328
                }
3329
                if (get_expr(mon, &val, &p))
3330
                    goto fail;
3331
                /* Check if 'i' is greater than 32-bit */
3332
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3333
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3334
                    monitor_printf(mon, "integer is for 32-bit values\n");
3335
                    goto fail;
3336
                }
3337
                qdict_put(qdict, key, qint_from_int(val));
3338
            }
3339
            break;
3340
        case '-':
3341
            {
3342
                const char *tmp = p;
3343
                int has_option, skip_key = 0;
3344
                /* option */
3345

    
3346
                c = *typestr++;
3347
                if (c == '\0')
3348
                    goto bad_type;
3349
                while (qemu_isspace(*p))
3350
                    p++;
3351
                has_option = 0;
3352
                if (*p == '-') {
3353
                    p++;
3354
                    if(c != *p) {
3355
                        if(!is_valid_option(p, typestr)) {
3356
                  
3357
                            monitor_printf(mon, "%s: unsupported option -%c\n",
3358
                                           cmdname, *p);
3359
                            goto fail;
3360
                        } else {
3361
                            skip_key = 1;
3362
                        }
3363
                    }
3364
                    if(skip_key) {
3365
                        p = tmp;
3366
                    } else {
3367
                        p++;
3368
                        has_option = 1;
3369
                    }
3370
                }
3371
                qdict_put(qdict, key, qint_from_int(has_option));
3372
            }
3373
            break;
3374
        default:
3375
        bad_type:
3376
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3377
            goto fail;
3378
        }
3379
        qemu_free(key);
3380
        key = NULL;
3381
    }
3382
    /* check that all arguments were parsed */
3383
    while (qemu_isspace(*p))
3384
        p++;
3385
    if (*p != '\0') {
3386
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3387
                       cmdname);
3388
        goto fail;
3389
    }
3390

    
3391
    return cmd;
3392

    
3393
fail:
3394
    qemu_free(key);
3395
    return NULL;
3396
}
3397

    
3398
static void monitor_print_error(Monitor *mon)
3399
{
3400
    qerror_print(mon->error);
3401
    QDECREF(mon->error);
3402
    mon->error = NULL;
3403
}
3404

    
3405
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3406
                                 const QDict *params)
3407
{
3408
    QObject *data = NULL;
3409

    
3410
    cmd->mhandler.cmd_new(mon, params, &data);
3411

    
3412
    if (monitor_ctrl_mode(mon)) {
3413
        /* Monitor Protocol */
3414
        monitor_protocol_emitter(mon, data);
3415
    } else {
3416
        /* User Protocol */
3417
         if (data)
3418
            cmd->user_print(mon, data);
3419
    }
3420

    
3421
    qobject_decref(data);
3422
}
3423

    
3424
static void handle_user_command(Monitor *mon, const char *cmdline)
3425
{
3426
    QDict *qdict;
3427
    const mon_cmd_t *cmd;
3428

    
3429
    qdict = qdict_new();
3430

    
3431
    cmd = monitor_parse_command(mon, cmdline, qdict);
3432
    if (!cmd)
3433
        goto out;
3434

    
3435
    qemu_errors_to_mon(mon);
3436

    
3437
    if (monitor_handler_ported(cmd)) {
3438
        monitor_call_handler(mon, cmd, qdict);
3439
    } else {
3440
        cmd->mhandler.cmd(mon, qdict);
3441
    }
3442

    
3443
    if (monitor_has_error(mon))
3444
        monitor_print_error(mon);
3445

    
3446
    qemu_errors_to_previous();
3447

    
3448
out:
3449
    QDECREF(qdict);
3450
}
3451

    
3452
static void cmd_completion(const char *name, const char *list)
3453
{
3454
    const char *p, *pstart;
3455
    char cmd[128];
3456
    int len;
3457

    
3458
    p = list;
3459
    for(;;) {
3460
        pstart = p;
3461
        p = strchr(p, '|');
3462
        if (!p)
3463
            p = pstart + strlen(pstart);
3464
        len = p - pstart;
3465
        if (len > sizeof(cmd) - 2)
3466
            len = sizeof(cmd) - 2;
3467
        memcpy(cmd, pstart, len);
3468
        cmd[len] = '\0';
3469
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3470
            readline_add_completion(cur_mon->rs, cmd);
3471
        }
3472
        if (*p == '\0')
3473
            break;
3474
        p++;
3475
    }
3476
}
3477

    
3478
static void file_completion(const char *input)
3479
{
3480
    DIR *ffs;
3481
    struct dirent *d;
3482
    char path[1024];
3483
    char file[1024], file_prefix[1024];
3484
    int input_path_len;
3485
    const char *p;
3486

    
3487
    p = strrchr(input, '/');
3488
    if (!p) {
3489
        input_path_len = 0;
3490
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3491
        pstrcpy(path, sizeof(path), ".");
3492
    } else {
3493
        input_path_len = p - input + 1;
3494
        memcpy(path, input, input_path_len);
3495
        if (input_path_len > sizeof(path) - 1)
3496
            input_path_len = sizeof(path) - 1;
3497
        path[input_path_len] = '\0';
3498
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3499
    }
3500
#ifdef DEBUG_COMPLETION
3501
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3502
                   input, path, file_prefix);
3503
#endif
3504
    ffs = opendir(path);
3505
    if (!ffs)
3506
        return;
3507
    for(;;) {
3508
        struct stat sb;
3509
        d = readdir(ffs);
3510
        if (!d)
3511
            break;
3512
        if (strstart(d->d_name, file_prefix, NULL)) {
3513
            memcpy(file, input, input_path_len);
3514
            if (input_path_len < sizeof(file))
3515
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3516
                        d->d_name);
3517
            /* stat the file to find out if it's a directory.
3518
             * In that case add a slash to speed up typing long paths
3519
             */
3520
            stat(file, &sb);
3521
            if(S_ISDIR(sb.st_mode))
3522
                pstrcat(file, sizeof(file), "/");
3523
            readline_add_completion(cur_mon->rs, file);
3524
        }
3525
    }
3526
    closedir(ffs);
3527
}
3528

    
3529
static void block_completion_it(void *opaque, BlockDriverState *bs)
3530
{
3531
    const char *name = bdrv_get_device_name(bs);
3532
    const char *input = opaque;
3533

    
3534
    if (input[0] == '\0' ||
3535
        !strncmp(name, (char *)input, strlen(input))) {
3536
        readline_add_completion(cur_mon->rs, name);
3537
    }
3538
}
3539

    
3540
/* NOTE: this parser is an approximate form of the real command parser */
3541
static void parse_cmdline(const char *cmdline,
3542
                         int *pnb_args, char **args)
3543
{
3544
    const char *p;
3545
    int nb_args, ret;
3546
    char buf[1024];
3547

    
3548
    p = cmdline;
3549
    nb_args = 0;
3550
    for(;;) {
3551
        while (qemu_isspace(*p))
3552
            p++;
3553
        if (*p == '\0')
3554
            break;
3555
        if (nb_args >= MAX_ARGS)
3556
            break;
3557
        ret = get_str(buf, sizeof(buf), &p);
3558
        args[nb_args] = qemu_strdup(buf);
3559
        nb_args++;
3560
        if (ret < 0)
3561
            break;
3562
    }
3563
    *pnb_args = nb_args;
3564
}
3565

    
3566
static const char *next_arg_type(const char *typestr)
3567
{
3568
    const char *p = strchr(typestr, ':');
3569
    return (p != NULL ? ++p : typestr);
3570
}
3571

    
3572
static void monitor_find_completion(const char *cmdline)
3573
{
3574
    const char *cmdname;
3575
    char *args[MAX_ARGS];
3576
    int nb_args, i, len;
3577
    const char *ptype, *str;
3578
    const mon_cmd_t *cmd;
3579
    const KeyDef *key;
3580

    
3581
    parse_cmdline(cmdline, &nb_args, args);
3582
#ifdef DEBUG_COMPLETION
3583
    for(i = 0; i < nb_args; i++) {
3584
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3585
    }
3586
#endif
3587

    
3588
    /* if the line ends with a space, it means we want to complete the
3589
       next arg */
3590
    len = strlen(cmdline);
3591
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3592
        if (nb_args >= MAX_ARGS)
3593
            return;
3594
        args[nb_args++] = qemu_strdup("");
3595
    }
3596
    if (nb_args <= 1) {
3597
        /* command completion */
3598
        if (nb_args == 0)
3599
            cmdname = "";
3600
        else
3601
            cmdname = args[0];
3602
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3603
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3604
            cmd_completion(cmdname, cmd->name);
3605
        }
3606
    } else {
3607
        /* find the command */
3608
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3609
            if (compare_cmd(args[0], cmd->name))
3610
                goto found;
3611
        }
3612
        return;
3613
    found:
3614
        ptype = next_arg_type(cmd->args_type);
3615
        for(i = 0; i < nb_args - 2; i++) {
3616
            if (*ptype != '\0') {
3617
                ptype = next_arg_type(ptype);
3618
                while (*ptype == '?')
3619
                    ptype = next_arg_type(ptype);
3620
            }
3621
        }
3622
        str = args[nb_args - 1];
3623
        if (*ptype == '-' && ptype[1] != '\0') {
3624
            ptype += 2;
3625
        }
3626
        switch(*ptype) {
3627
        case 'F':
3628
            /* file completion */
3629
            readline_set_completion_index(cur_mon->rs, strlen(str));
3630
            file_completion(str);
3631
            break;
3632
        case 'B':
3633
            /* block device name completion */
3634
            readline_set_completion_index(cur_mon->rs, strlen(str));
3635
            bdrv_iterate(block_completion_it, (void *)str);
3636
            break;
3637
        case 's':
3638
            /* XXX: more generic ? */
3639
            if (!strcmp(cmd->name, "info")) {
3640
                readline_set_completion_index(cur_mon->rs, strlen(str));
3641
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3642
                    cmd_completion(str, cmd->name);
3643
                }
3644
            } else if (!strcmp(cmd->name, "sendkey")) {
3645
                char *sep = strrchr(str, '-');
3646
                if (sep)
3647
                    str = sep + 1;
3648
                readline_set_completion_index(cur_mon->rs, strlen(str));
3649
                for(key = key_defs; key->name != NULL; key++) {
3650
                    cmd_completion(str, key->name);
3651
                }
3652
            } else if (!strcmp(cmd->name, "help|?")) {
3653
                readline_set_completion_index(cur_mon->rs, strlen(str));
3654
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3655
                    cmd_completion(str, cmd->name);
3656
                }
3657
            }
3658
            break;
3659
        default:
3660
            break;
3661
        }
3662
    }
3663
    for(i = 0; i < nb_args; i++)
3664
        qemu_free(args[i]);
3665
}
3666

    
3667
static int monitor_can_read(void *opaque)
3668
{
3669
    Monitor *mon = opaque;
3670

    
3671
    return (mon->suspend_cnt == 0) ? 128 : 0;
3672
}
3673

    
3674
typedef struct CmdArgs {
3675
    QString *name;
3676
    int type;
3677
    int flag;
3678
    int optional;
3679
} CmdArgs;
3680

    
3681
static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3682
{
3683
    if (!cmd_args->optional) {
3684
        qemu_error_new(QERR_MISSING_PARAMETER, name);
3685
        return -1;
3686
    }
3687

    
3688
    if (cmd_args->type == '-') {
3689
        /* handlers expect a value, they need to be changed */
3690
        qdict_put(args, name, qint_from_int(0));
3691
    }
3692

    
3693
    return 0;
3694
}
3695

    
3696
static int check_arg(const CmdArgs *cmd_args, QDict *args)
3697
{
3698
    QObject *value;
3699
    const char *name;
3700

    
3701
    name = qstring_get_str(cmd_args->name);
3702

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

    
3707
    value = qdict_get(args, name);
3708
    if (!value) {
3709
        return check_opt(cmd_args, name, args);
3710
    }
3711

    
3712
    switch (cmd_args->type) {
3713
        case 'F':
3714
        case 'B':
3715
        case 's':
3716
            if (qobject_type(value) != QTYPE_QSTRING) {
3717
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3718
                return -1;
3719
            }
3720
            break;
3721
        case '/': {
3722
            int i;
3723
            const char *keys[] = { "count", "format", "size", NULL };
3724

    
3725
            for (i = 0; keys[i]; i++) {
3726
                QObject *obj = qdict_get(args, keys[i]);
3727
                if (!obj) {
3728
                    qemu_error_new(QERR_MISSING_PARAMETER, name);
3729
                    return -1;
3730
                }
3731
                if (qobject_type(obj) != QTYPE_QINT) {
3732
                    qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3733
                    return -1;
3734
                }
3735
            }
3736
            break;
3737
        }
3738
        case 'i':
3739
        case 'l':
3740
            if (qobject_type(value) != QTYPE_QINT) {
3741
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3742
                return -1;
3743
            }
3744
            break;
3745
        case '-':
3746
            if (qobject_type(value) != QTYPE_QINT &&
3747
                qobject_type(value) != QTYPE_QBOOL) {
3748
                qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3749
                return -1;
3750
            }
3751
            if (qobject_type(value) == QTYPE_QBOOL) {
3752
                /* handlers expect a QInt, they need to be changed */
3753
                qdict_put(args, name,
3754
                         qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3755
            }
3756
            break;
3757
        default:
3758
            /* impossible */
3759
            abort();
3760
    }
3761

    
3762
    return 0;
3763
}
3764

    
3765
static void cmd_args_init(CmdArgs *cmd_args)
3766
{
3767
    cmd_args->name = qstring_new();
3768
    cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3769
}
3770

    
3771
/*
3772
 * This is not trivial, we have to parse Monitor command's argument
3773
 * type syntax to be able to check the arguments provided by clients.
3774
 *
3775
 * In the near future we will be using an array for that and will be
3776
 * able to drop all this parsing...
3777
 */
3778
static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3779
{
3780
    int err;
3781
    const char *p;
3782
    CmdArgs cmd_args;
3783

    
3784
    if (cmd->args_type == NULL) {
3785
        return (qdict_size(args) == 0 ? 0 : -1);
3786
    }
3787

    
3788
    err = 0;
3789
    cmd_args_init(&cmd_args);
3790

    
3791
    for (p = cmd->args_type;; p++) {
3792
        if (*p == ':') {
3793
            cmd_args.type = *++p;
3794
            p++;
3795
            if (cmd_args.type == '-') {
3796
                cmd_args.flag = *p++;
3797
                cmd_args.optional = 1;
3798
            } else if (*p == '?') {
3799
                cmd_args.optional = 1;
3800
                p++;
3801
            }
3802

    
3803
            assert(*p == ',' || *p == '\0');
3804
            err = check_arg(&cmd_args, args);
3805

    
3806
            QDECREF(cmd_args.name);
3807
            cmd_args_init(&cmd_args);
3808

    
3809
            if (err < 0) {
3810
                break;
3811
            }
3812
        } else {
3813
            qstring_append_chr(cmd_args.name, *p);
3814
        }
3815

    
3816
        if (*p == '\0') {
3817
            break;
3818
        }
3819
    }
3820

    
3821
    QDECREF(cmd_args.name);
3822
    return err;
3823
}
3824

    
3825
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3826
{
3827
    int err;
3828
    QObject *obj;
3829
    QDict *input, *args;
3830
    const mon_cmd_t *cmd;
3831
    Monitor *mon = cur_mon;
3832
    const char *cmd_name, *info_item;
3833

    
3834
    args = NULL;
3835
    qemu_errors_to_mon(mon);
3836

    
3837
    obj = json_parser_parse(tokens, NULL);
3838
    if (!obj) {
3839
        // FIXME: should be triggered in json_parser_parse()
3840
        qemu_error_new(QERR_JSON_PARSING);
3841
        goto err_out;
3842
    } else if (qobject_type(obj) != QTYPE_QDICT) {
3843
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3844
        qobject_decref(obj);
3845
        goto err_out;
3846
    }
3847

    
3848
    input = qobject_to_qdict(obj);
3849

    
3850
    mon->mc->id = qdict_get(input, "id");
3851
    qobject_incref(mon->mc->id);
3852

    
3853
    obj = qdict_get(input, "execute");
3854
    if (!obj) {
3855
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3856
        goto err_input;
3857
    } else if (qobject_type(obj) != QTYPE_QSTRING) {
3858
        qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3859
        goto err_input;
3860
    }
3861

    
3862
    cmd_name = qstring_get_str(qobject_to_qstring(obj));
3863

    
3864
    /*
3865
     * XXX: We need this special case until we get info handlers
3866
     * converted into 'query-' commands
3867
     */
3868
    if (compare_cmd(cmd_name, "info")) {
3869
        qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3870
        goto err_input;
3871
    } else if (strstart(cmd_name, "query-", &info_item)) {
3872
        cmd = monitor_find_command("info");
3873
        qdict_put_obj(input, "arguments",
3874
                      qobject_from_jsonf("{ 'item': %s }", info_item));
3875
    } else {
3876
        cmd = monitor_find_command(cmd_name);
3877
        if (!cmd) {
3878
            qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3879
            goto err_input;
3880
        }
3881
    }
3882

    
3883
    obj = qdict_get(input, "arguments");
3884
    if (!obj) {
3885
        args = qdict_new();
3886
    } else {
3887
        args = qobject_to_qdict(obj);
3888
        QINCREF(args);
3889
    }
3890

    
3891
    QDECREF(input);
3892

    
3893
    err = monitor_check_qmp_args(cmd, args);
3894
    if (err < 0) {
3895
        goto err_out;
3896
    }
3897

    
3898
    monitor_call_handler(mon, cmd, args);
3899
    goto out;
3900

    
3901
err_input:
3902
    QDECREF(input);
3903
err_out:
3904
    monitor_protocol_emitter(mon, NULL);
3905
out:
3906
    QDECREF(args);
3907
    qemu_errors_to_previous();
3908
}
3909

    
3910
/**
3911
 * monitor_control_read(): Read and handle QMP input
3912
 */
3913
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3914
{
3915
    Monitor *old_mon = cur_mon;
3916

    
3917
    cur_mon = opaque;
3918

    
3919
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3920

    
3921
    cur_mon = old_mon;
3922
}
3923

    
3924
static void monitor_read(void *opaque, const uint8_t *buf, int size)
3925
{
3926
    Monitor *old_mon = cur_mon;
3927
    int i;
3928

    
3929
    cur_mon = opaque;
3930

    
3931
    if (cur_mon->rs) {
3932
        for (i = 0; i < size; i++)
3933
            readline_handle_byte(cur_mon->rs, buf[i]);
3934
    } else {
3935
        if (size == 0 || buf[size - 1] != 0)
3936
            monitor_printf(cur_mon, "corrupted command\n");
3937
        else
3938
            handle_user_command(cur_mon, (char *)buf);
3939
    }
3940

    
3941
    cur_mon = old_mon;
3942
}
3943

    
3944
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3945
{
3946
    monitor_suspend(mon);
3947
    handle_user_command(mon, cmdline);
3948
    monitor_resume(mon);
3949
}
3950

    
3951
int monitor_suspend(Monitor *mon)
3952
{
3953
    if (!mon->rs)
3954
        return -ENOTTY;
3955
    mon->suspend_cnt++;
3956
    return 0;
3957
}
3958

    
3959
void monitor_resume(Monitor *mon)
3960
{
3961
    if (!mon->rs)
3962
        return;
3963
    if (--mon->suspend_cnt == 0)
3964
        readline_show_prompt(mon->rs);
3965
}
3966

    
3967
/**
3968
 * monitor_control_event(): Print QMP gretting
3969
 */
3970
static void monitor_control_event(void *opaque, int event)
3971
{
3972
    if (event == CHR_EVENT_OPENED) {
3973
        QObject *data;
3974
        Monitor *mon = opaque;
3975

    
3976
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3977

    
3978
        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3979
        assert(data != NULL);
3980

    
3981
        monitor_json_emitter(mon, data);
3982
        qobject_decref(data);
3983
    }
3984
}
3985

    
3986
static void monitor_event(void *opaque, int event)
3987
{
3988
    Monitor *mon = opaque;
3989

    
3990
    switch (event) {
3991
    case CHR_EVENT_MUX_IN:
3992
        mon->mux_out = 0;
3993
        if (mon->reset_seen) {
3994
            readline_restart(mon->rs);
3995
            monitor_resume(mon);
3996
            monitor_flush(mon);
3997
        } else {
3998
            mon->suspend_cnt = 0;
3999
        }
4000
        break;
4001

    
4002
    case CHR_EVENT_MUX_OUT:
4003
        if (mon->reset_seen) {
4004
            if (mon->suspend_cnt == 0) {
4005
                monitor_printf(mon, "\n");
4006
            }
4007
            monitor_flush(mon);
4008
            monitor_suspend(mon);
4009
        } else {
4010
            mon->suspend_cnt++;
4011
        }
4012
        mon->mux_out = 1;
4013
        break;
4014

    
4015
    case CHR_EVENT_OPENED:
4016
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4017
                       "information\n", QEMU_VERSION);
4018
        if (!mon->mux_out) {
4019
            readline_show_prompt(mon->rs);
4020
        }
4021
        mon->reset_seen = 1;
4022
        break;
4023
    }
4024
}
4025

    
4026

    
4027
/*
4028
 * Local variables:
4029
 *  c-indent-level: 4
4030
 *  c-basic-offset: 4
4031
 *  tab-width: 8
4032
 * End:
4033
 */
4034

    
4035
const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4036
{
4037
    const char *dev;
4038

    
4039
    if (strstart(cmdline, "control,", &dev)) {
4040
        if (strstart(dev, "vc", NULL)) {
4041
            fprintf(stderr, "qemu: control mode is for low-level interaction ");
4042
            fprintf(stderr, "cannot be used with device 'vc'\n");
4043
            exit(1);
4044
        }
4045
        *flags &= ~MONITOR_USE_READLINE;
4046
        *flags |= MONITOR_USE_CONTROL;
4047
        return dev;
4048
    }
4049

    
4050
    return cmdline;
4051
}
4052

    
4053
void monitor_init(CharDriverState *chr, int flags)
4054
{
4055
    static int is_first_init = 1;
4056
    Monitor *mon;
4057

    
4058
    if (is_first_init) {
4059
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4060
        is_first_init = 0;
4061
    }
4062

    
4063
    mon = qemu_mallocz(sizeof(*mon));
4064

    
4065
    mon->chr = chr;
4066
    mon->flags = flags;
4067
    if (flags & MONITOR_USE_READLINE) {
4068
        mon->rs = readline_init(mon, monitor_find_completion);
4069
        monitor_read_command(mon, 0);
4070
    }
4071

    
4072
    if (monitor_ctrl_mode(mon)) {
4073
        mon->mc = qemu_mallocz(sizeof(MonitorControl));
4074
        /* Control mode requires special handlers */
4075
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4076
                              monitor_control_event, mon);
4077
    } else {
4078
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4079
                              monitor_event, mon);
4080
    }
4081

    
4082
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4083
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4084
        cur_mon = mon;
4085
}
4086

    
4087
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4088
{
4089
    BlockDriverState *bs = opaque;
4090
    int ret = 0;
4091

    
4092
    if (bdrv_set_key(bs, password) != 0) {
4093
        monitor_printf(mon, "invalid password\n");
4094
        ret = -EPERM;
4095
    }
4096
    if (mon->password_completion_cb)
4097
        mon->password_completion_cb(mon->password_opaque, ret);
4098

    
4099
    monitor_read_command(mon, 1);
4100
}
4101

    
4102
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4103
                                 BlockDriverCompletionFunc *completion_cb,
4104
                                 void *opaque)
4105
{
4106
    int err;
4107

    
4108
    if (!bdrv_key_required(bs)) {
4109
        if (completion_cb)
4110
            completion_cb(opaque, 0);
4111
        return;
4112
    }
4113

    
4114
    if (monitor_ctrl_mode(mon)) {
4115
        qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4116
        return;
4117
    }
4118

    
4119
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4120
                   bdrv_get_encrypted_filename(bs));
4121

    
4122
    mon->password_completion_cb = completion_cb;
4123
    mon->password_opaque = opaque;
4124

    
4125
    err = monitor_read_password(mon, bdrv_password_cb, bs);
4126

    
4127
    if (err && completion_cb)
4128
        completion_cb(opaque, err);
4129
}
4130

    
4131
typedef struct QemuErrorSink QemuErrorSink;
4132
struct QemuErrorSink {
4133
    enum {
4134
        ERR_SINK_FILE,
4135
        ERR_SINK_MONITOR,
4136
    } dest;
4137
    union {
4138
        FILE    *fp;
4139
        Monitor *mon;
4140
    };
4141
    QemuErrorSink *previous;
4142
};
4143

    
4144
static QemuErrorSink *qemu_error_sink;
4145

    
4146
void qemu_errors_to_file(FILE *fp)
4147
{
4148
    QemuErrorSink *sink;
4149

    
4150
    sink = qemu_mallocz(sizeof(*sink));
4151
    sink->dest = ERR_SINK_FILE;
4152
    sink->fp = fp;
4153
    sink->previous = qemu_error_sink;
4154
    qemu_error_sink = sink;
4155
}
4156

    
4157
void qemu_errors_to_mon(Monitor *mon)
4158
{
4159
    QemuErrorSink *sink;
4160

    
4161
    sink = qemu_mallocz(sizeof(*sink));
4162
    sink->dest = ERR_SINK_MONITOR;
4163
    sink->mon = mon;
4164
    sink->previous = qemu_error_sink;
4165
    qemu_error_sink = sink;
4166
}
4167

    
4168
void qemu_errors_to_previous(void)
4169
{
4170
    QemuErrorSink *sink;
4171

    
4172
    assert(qemu_error_sink != NULL);
4173
    sink = qemu_error_sink;
4174
    qemu_error_sink = sink->previous;
4175
    qemu_free(sink);
4176
}
4177

    
4178
void qemu_error(const char *fmt, ...)
4179
{
4180
    va_list args;
4181

    
4182
    assert(qemu_error_sink != NULL);
4183
    switch (qemu_error_sink->dest) {
4184
    case ERR_SINK_FILE:
4185
        va_start(args, fmt);
4186
        vfprintf(qemu_error_sink->fp, fmt, args);
4187
        va_end(args);
4188
        break;
4189
    case ERR_SINK_MONITOR:
4190
        va_start(args, fmt);
4191
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
4192
        va_end(args);
4193
        break;
4194
    }
4195
}
4196

    
4197
void qemu_error_internal(const char *file, int linenr, const char *func,
4198
                         const char *fmt, ...)
4199
{
4200
    va_list va;
4201
    QError *qerror;
4202

    
4203
    assert(qemu_error_sink != NULL);
4204

    
4205
    va_start(va, fmt);
4206
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
4207
    va_end(va);
4208

    
4209
    switch (qemu_error_sink->dest) {
4210
    case ERR_SINK_FILE:
4211
        qerror_print(qerror);
4212
        QDECREF(qerror);
4213
        break;
4214
    case ERR_SINK_MONITOR:
4215
        assert(qemu_error_sink->mon->error == NULL);
4216
        qemu_error_sink->mon->error = qerror;
4217
        break;
4218
    }
4219
}