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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 "qemu-char.h"
36
#include "sysemu.h"
37
#include "monitor.h"
38
#include "readline.h"
39
#include "console.h"
40
#include "block.h"
41
#include "audio/audio.h"
42
#include "disas.h"
43
#include "balloon.h"
44
#include "qemu-timer.h"
45
#include "migration.h"
46
#include "kvm.h"
47
#include "acl.h"
48
#include "qint.h"
49
#include "qdict.h"
50
#include "qstring.h"
51

    
52
//#define DEBUG
53
//#define DEBUG_COMPLETION
54

    
55
/*
56
 * Supported types:
57
 *
58
 * 'F'          filename
59
 * 'B'          block device name
60
 * 's'          string (accept optional quote)
61
 * 'i'          32 bit integer
62
 * 'l'          target long (32 or 64 bit)
63
 * '/'          optional gdb-like print format (like "/10x")
64
 *
65
 * '?'          optional type (for all types, except '/')
66
 * '.'          other form of optional type (for 'i' and 'l')
67
 * '-'          optional parameter (eg. '-f')
68
 *
69
 */
70

    
71
typedef struct mon_cmd_t {
72
    const char *name;
73
    const char *args_type;
74
    const char *params;
75
    const char *help;
76
    void (*user_print)(Monitor *mon, const QObject *data);
77
    union {
78
        void (*info)(Monitor *mon);
79
        void (*info_new)(Monitor *mon, QObject **ret_data);
80
        void (*cmd)(Monitor *mon, const QDict *qdict);
81
        void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
82
    } mhandler;
83
} mon_cmd_t;
84

    
85
/* file descriptors passed via SCM_RIGHTS */
86
typedef struct mon_fd_t mon_fd_t;
87
struct mon_fd_t {
88
    char *name;
89
    int fd;
90
    QLIST_ENTRY(mon_fd_t) next;
91
};
92

    
93
struct Monitor {
94
    CharDriverState *chr;
95
    int mux_out;
96
    int reset_seen;
97
    int flags;
98
    int suspend_cnt;
99
    uint8_t outbuf[1024];
100
    int outbuf_index;
101
    ReadLineState *rs;
102
    CPUState *mon_cpu;
103
    BlockDriverCompletionFunc *password_completion_cb;
104
    void *password_opaque;
105
    QLIST_HEAD(,mon_fd_t) fds;
106
    QLIST_ENTRY(Monitor) entry;
107
};
108

    
109
static QLIST_HEAD(mon_list, Monitor) mon_list;
110

    
111
static const mon_cmd_t mon_cmds[];
112
static const mon_cmd_t info_cmds[];
113

    
114
Monitor *cur_mon = NULL;
115

    
116
static void monitor_command_cb(Monitor *mon, const char *cmdline,
117
                               void *opaque);
118

    
119
static void monitor_read_command(Monitor *mon, int show_prompt)
120
{
121
    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
122
    if (show_prompt)
123
        readline_show_prompt(mon->rs);
124
}
125

    
126
static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
127
                                 void *opaque)
128
{
129
    if (mon->rs) {
130
        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
131
        /* prompt is printed on return from the command handler */
132
        return 0;
133
    } else {
134
        monitor_printf(mon, "terminal does not support password prompting\n");
135
        return -ENOTTY;
136
    }
137
}
138

    
139
void monitor_flush(Monitor *mon)
140
{
141
    if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
142
        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
143
        mon->outbuf_index = 0;
144
    }
145
}
146

    
147
/* flush at every end of line or if the buffer is full */
148
static void monitor_puts(Monitor *mon, const char *str)
149
{
150
    char c;
151

    
152
    if (!mon)
153
        return;
154

    
155
    for(;;) {
156
        c = *str++;
157
        if (c == '\0')
158
            break;
159
        if (c == '\n')
160
            mon->outbuf[mon->outbuf_index++] = '\r';
161
        mon->outbuf[mon->outbuf_index++] = c;
162
        if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
163
            || c == '\n')
164
            monitor_flush(mon);
165
    }
166
}
167

    
168
void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
169
{
170
    char buf[4096];
171
    vsnprintf(buf, sizeof(buf), fmt, ap);
172
    monitor_puts(mon, buf);
173
}
174

    
175
void monitor_printf(Monitor *mon, const char *fmt, ...)
176
{
177
    va_list ap;
178
    va_start(ap, fmt);
179
    monitor_vprintf(mon, fmt, ap);
180
    va_end(ap);
181
}
182

    
183
void monitor_print_filename(Monitor *mon, const char *filename)
184
{
185
    int i;
186

    
187
    for (i = 0; filename[i]; i++) {
188
        switch (filename[i]) {
189
        case ' ':
190
        case '"':
191
        case '\\':
192
            monitor_printf(mon, "\\%c", filename[i]);
193
            break;
194
        case '\t':
195
            monitor_printf(mon, "\\t");
196
            break;
197
        case '\r':
198
            monitor_printf(mon, "\\r");
199
            break;
200
        case '\n':
201
            monitor_printf(mon, "\\n");
202
            break;
203
        default:
204
            monitor_printf(mon, "%c", filename[i]);
205
            break;
206
        }
207
    }
208
}
209

    
210
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
211
{
212
    va_list ap;
213
    va_start(ap, fmt);
214
    monitor_vprintf((Monitor *)stream, fmt, ap);
215
    va_end(ap);
216
    return 0;
217
}
218

    
219
static void monitor_user_noop(Monitor *mon, const QObject *data) { }
220

    
221
static inline int monitor_handler_ported(const mon_cmd_t *cmd)
222
{
223
    return cmd->user_print != NULL;
224
}
225

    
226
static int compare_cmd(const char *name, const char *list)
227
{
228
    const char *p, *pstart;
229
    int len;
230
    len = strlen(name);
231
    p = list;
232
    for(;;) {
233
        pstart = p;
234
        p = strchr(p, '|');
235
        if (!p)
236
            p = pstart + strlen(pstart);
237
        if ((p - pstart) == len && !memcmp(pstart, name, len))
238
            return 1;
239
        if (*p == '\0')
240
            break;
241
        p++;
242
    }
243
    return 0;
244
}
245

    
246
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
247
                          const char *prefix, const char *name)
248
{
249
    const mon_cmd_t *cmd;
250

    
251
    for(cmd = cmds; cmd->name != NULL; cmd++) {
252
        if (!name || !strcmp(name, cmd->name))
253
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
254
                           cmd->params, cmd->help);
255
    }
256
}
257

    
258
static void help_cmd(Monitor *mon, const char *name)
259
{
260
    if (name && !strcmp(name, "info")) {
261
        help_cmd_dump(mon, info_cmds, "info ", NULL);
262
    } else {
263
        help_cmd_dump(mon, mon_cmds, "", name);
264
        if (name && !strcmp(name, "log")) {
265
            const CPULogItem *item;
266
            monitor_printf(mon, "Log items (comma separated):\n");
267
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
268
            for(item = cpu_log_items; item->mask != 0; item++) {
269
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
270
            }
271
        }
272
    }
273
}
274

    
275
static void do_help_cmd(Monitor *mon, const QDict *qdict)
276
{
277
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
278
}
279

    
280
static void do_commit(Monitor *mon, const QDict *qdict)
281
{
282
    int all_devices;
283
    DriveInfo *dinfo;
284
    const char *device = qdict_get_str(qdict, "device");
285

    
286
    all_devices = !strcmp(device, "all");
287
    QTAILQ_FOREACH(dinfo, &drives, next) {
288
        if (!all_devices)
289
            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
290
                continue;
291
        bdrv_commit(dinfo->bdrv);
292
    }
293
}
294

    
295
static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
296
{
297
    const mon_cmd_t *cmd;
298
    const char *item = qdict_get_try_str(qdict, "item");
299

    
300
    if (!item)
301
        goto help;
302

    
303
    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
304
        if (compare_cmd(item, cmd->name))
305
            break;
306
    }
307

    
308
    if (cmd->name == NULL)
309
        goto help;
310

    
311
    if (monitor_handler_ported(cmd)) {
312
        cmd->mhandler.info_new(mon, ret_data);
313
        if (*ret_data)
314
            cmd->user_print(mon, *ret_data);
315
    } else {
316
        cmd->mhandler.info(mon);
317
    }
318

    
319
    return;
320

    
321
help:
322
    help_cmd(mon, "info");
323
}
324

    
325
static void do_info_version(Monitor *mon)
326
{
327
    monitor_printf(mon, "%s\n", QEMU_VERSION QEMU_PKGVERSION);
328
}
329

    
330
static void do_info_name(Monitor *mon)
331
{
332
    if (qemu_name)
333
        monitor_printf(mon, "%s\n", qemu_name);
334
}
335

    
336
#if defined(TARGET_I386)
337
static void do_info_hpet(Monitor *mon)
338
{
339
    monitor_printf(mon, "HPET is %s by QEMU\n",
340
                   (no_hpet) ? "disabled" : "enabled");
341
}
342
#endif
343

    
344
static void do_info_uuid(Monitor *mon)
345
{
346
    monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
347
                   qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
348
                   qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
349
                   qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
350
                   qemu_uuid[14], qemu_uuid[15]);
351
}
352

    
353
/* get the current CPU defined by the user */
354
static int mon_set_cpu(int cpu_index)
355
{
356
    CPUState *env;
357

    
358
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
359
        if (env->cpu_index == cpu_index) {
360
            cur_mon->mon_cpu = env;
361
            return 0;
362
        }
363
    }
364
    return -1;
365
}
366

    
367
static CPUState *mon_get_cpu(void)
368
{
369
    if (!cur_mon->mon_cpu) {
370
        mon_set_cpu(0);
371
    }
372
    cpu_synchronize_state(cur_mon->mon_cpu);
373
    return cur_mon->mon_cpu;
374
}
375

    
376
static void do_info_registers(Monitor *mon)
377
{
378
    CPUState *env;
379
    env = mon_get_cpu();
380
    if (!env)
381
        return;
382
#ifdef TARGET_I386
383
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
384
                   X86_DUMP_FPU);
385
#else
386
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
387
                   0);
388
#endif
389
}
390

    
391
static void do_info_cpus(Monitor *mon)
392
{
393
    CPUState *env;
394

    
395
    /* just to set the default cpu if not already done */
396
    mon_get_cpu();
397

    
398
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
399
        cpu_synchronize_state(env);
400
        monitor_printf(mon, "%c CPU #%d:",
401
                       (env == mon->mon_cpu) ? '*' : ' ',
402
                       env->cpu_index);
403
#if defined(TARGET_I386)
404
        monitor_printf(mon, " pc=0x" TARGET_FMT_lx,
405
                       env->eip + env->segs[R_CS].base);
406
#elif defined(TARGET_PPC)
407
        monitor_printf(mon, " nip=0x" TARGET_FMT_lx, env->nip);
408
#elif defined(TARGET_SPARC)
409
        monitor_printf(mon, " pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx,
410
                       env->pc, env->npc);
411
#elif defined(TARGET_MIPS)
412
        monitor_printf(mon, " PC=0x" TARGET_FMT_lx, env->active_tc.PC);
413
#endif
414
        if (env->halted)
415
            monitor_printf(mon, " (halted)");
416
        monitor_printf(mon, "\n");
417
    }
418
}
419

    
420
static void do_cpu_set(Monitor *mon, const QDict *qdict)
421
{
422
    int index = qdict_get_int(qdict, "index");
423
    if (mon_set_cpu(index) < 0)
424
        monitor_printf(mon, "Invalid CPU index\n");
425
}
426

    
427
static void do_info_jit(Monitor *mon)
428
{
429
    dump_exec_info((FILE *)mon, monitor_fprintf);
430
}
431

    
432
static void do_info_history(Monitor *mon)
433
{
434
    int i;
435
    const char *str;
436

    
437
    if (!mon->rs)
438
        return;
439
    i = 0;
440
    for(;;) {
441
        str = readline_get_history(mon->rs, i);
442
        if (!str)
443
            break;
444
        monitor_printf(mon, "%d: '%s'\n", i, str);
445
        i++;
446
    }
447
}
448

    
449
#if defined(TARGET_PPC)
450
/* XXX: not implemented in other targets */
451
static void do_info_cpu_stats(Monitor *mon)
452
{
453
    CPUState *env;
454

    
455
    env = mon_get_cpu();
456
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
457
}
458
#endif
459

    
460
/**
461
 * do_quit(): Quit QEMU execution
462
 */
463
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
464
{
465
    exit(0);
466
}
467

    
468
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
469
{
470
    if (bdrv_is_inserted(bs)) {
471
        if (!force) {
472
            if (!bdrv_is_removable(bs)) {
473
                monitor_printf(mon, "device is not removable\n");
474
                return -1;
475
            }
476
            if (bdrv_is_locked(bs)) {
477
                monitor_printf(mon, "device is locked\n");
478
                return -1;
479
            }
480
        }
481
        bdrv_close(bs);
482
    }
483
    return 0;
484
}
485

    
486
static void do_eject(Monitor *mon, const QDict *qdict)
487
{
488
    BlockDriverState *bs;
489
    int force = qdict_get_int(qdict, "force");
490
    const char *filename = qdict_get_str(qdict, "filename");
491

    
492
    bs = bdrv_find(filename);
493
    if (!bs) {
494
        monitor_printf(mon, "device not found\n");
495
        return;
496
    }
497
    eject_device(mon, bs, force);
498
}
499

    
500
static void do_change_block(Monitor *mon, const char *device,
501
                            const char *filename, const char *fmt)
502
{
503
    BlockDriverState *bs;
504
    BlockDriver *drv = NULL;
505

    
506
    bs = bdrv_find(device);
507
    if (!bs) {
508
        monitor_printf(mon, "device not found\n");
509
        return;
510
    }
511
    if (fmt) {
512
        drv = bdrv_find_format(fmt);
513
        if (!drv) {
514
            monitor_printf(mon, "invalid format %s\n", fmt);
515
            return;
516
        }
517
    }
518
    if (eject_device(mon, bs, 0) < 0)
519
        return;
520
    bdrv_open2(bs, filename, 0, drv);
521
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
522
}
523

    
524
static void change_vnc_password_cb(Monitor *mon, const char *password,
525
                                   void *opaque)
526
{
527
    if (vnc_display_password(NULL, password) < 0)
528
        monitor_printf(mon, "could not set VNC server password\n");
529

    
530
    monitor_read_command(mon, 1);
531
}
532

    
533
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
534
{
535
    if (strcmp(target, "passwd") == 0 ||
536
        strcmp(target, "password") == 0) {
537
        if (arg) {
538
            char password[9];
539
            strncpy(password, arg, sizeof(password));
540
            password[sizeof(password) - 1] = '\0';
541
            change_vnc_password_cb(mon, password, NULL);
542
        } else {
543
            monitor_read_password(mon, change_vnc_password_cb, NULL);
544
        }
545
    } else {
546
        if (vnc_display_open(NULL, target) < 0)
547
            monitor_printf(mon, "could not start VNC server on %s\n", target);
548
    }
549
}
550

    
551
static void do_change(Monitor *mon, const QDict *qdict)
552
{
553
    const char *device = qdict_get_str(qdict, "device");
554
    const char *target = qdict_get_str(qdict, "target");
555
    const char *arg = qdict_get_try_str(qdict, "arg");
556
    if (strcmp(device, "vnc") == 0) {
557
        do_change_vnc(mon, target, arg);
558
    } else {
559
        do_change_block(mon, device, target, arg);
560
    }
561
}
562

    
563
static void do_screen_dump(Monitor *mon, const QDict *qdict)
564
{
565
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
566
}
567

    
568
static void do_logfile(Monitor *mon, const QDict *qdict)
569
{
570
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
571
}
572

    
573
static void do_log(Monitor *mon, const QDict *qdict)
574
{
575
    int mask;
576
    const char *items = qdict_get_str(qdict, "items");
577

    
578
    if (!strcmp(items, "none")) {
579
        mask = 0;
580
    } else {
581
        mask = cpu_str_to_log_mask(items);
582
        if (!mask) {
583
            help_cmd(mon, "log");
584
            return;
585
        }
586
    }
587
    cpu_set_log(mask);
588
}
589

    
590
static void do_singlestep(Monitor *mon, const QDict *qdict)
591
{
592
    const char *option = qdict_get_try_str(qdict, "option");
593
    if (!option || !strcmp(option, "on")) {
594
        singlestep = 1;
595
    } else if (!strcmp(option, "off")) {
596
        singlestep = 0;
597
    } else {
598
        monitor_printf(mon, "unexpected option %s\n", option);
599
    }
600
}
601

    
602
/**
603
 * do_stop(): Stop VM execution
604
 */
605
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
606
{
607
    vm_stop(EXCP_INTERRUPT);
608
}
609

    
610
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
611

    
612
struct bdrv_iterate_context {
613
    Monitor *mon;
614
    int err;
615
};
616

    
617
static void do_cont(Monitor *mon, const QDict *qdict)
618
{
619
    struct bdrv_iterate_context context = { mon, 0 };
620

    
621
    bdrv_iterate(encrypted_bdrv_it, &context);
622
    /* only resume the vm if all keys are set and valid */
623
    if (!context.err)
624
        vm_start();
625
}
626

    
627
static void bdrv_key_cb(void *opaque, int err)
628
{
629
    Monitor *mon = opaque;
630

    
631
    /* another key was set successfully, retry to continue */
632
    if (!err)
633
        do_cont(mon, NULL);
634
}
635

    
636
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
637
{
638
    struct bdrv_iterate_context *context = opaque;
639

    
640
    if (!context->err && bdrv_key_required(bs)) {
641
        context->err = -EBUSY;
642
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
643
                                    context->mon);
644
    }
645
}
646

    
647
static void do_gdbserver(Monitor *mon, const QDict *qdict)
648
{
649
    const char *device = qdict_get_try_str(qdict, "device");
650
    if (!device)
651
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
652
    if (gdbserver_start(device) < 0) {
653
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
654
                       device);
655
    } else if (strcmp(device, "none") == 0) {
656
        monitor_printf(mon, "Disabled gdbserver\n");
657
    } else {
658
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
659
                       device);
660
    }
661
}
662

    
663
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
664
{
665
    const char *action = qdict_get_str(qdict, "action");
666
    if (select_watchdog_action(action) == -1) {
667
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
668
    }
669
}
670

    
671
static void monitor_printc(Monitor *mon, int c)
672
{
673
    monitor_printf(mon, "'");
674
    switch(c) {
675
    case '\'':
676
        monitor_printf(mon, "\\'");
677
        break;
678
    case '\\':
679
        monitor_printf(mon, "\\\\");
680
        break;
681
    case '\n':
682
        monitor_printf(mon, "\\n");
683
        break;
684
    case '\r':
685
        monitor_printf(mon, "\\r");
686
        break;
687
    default:
688
        if (c >= 32 && c <= 126) {
689
            monitor_printf(mon, "%c", c);
690
        } else {
691
            monitor_printf(mon, "\\x%02x", c);
692
        }
693
        break;
694
    }
695
    monitor_printf(mon, "'");
696
}
697

    
698
static void memory_dump(Monitor *mon, int count, int format, int wsize,
699
                        target_phys_addr_t addr, int is_physical)
700
{
701
    CPUState *env;
702
    int nb_per_line, l, line_size, i, max_digits, len;
703
    uint8_t buf[16];
704
    uint64_t v;
705

    
706
    if (format == 'i') {
707
        int flags;
708
        flags = 0;
709
        env = mon_get_cpu();
710
        if (!env && !is_physical)
711
            return;
712
#ifdef TARGET_I386
713
        if (wsize == 2) {
714
            flags = 1;
715
        } else if (wsize == 4) {
716
            flags = 0;
717
        } else {
718
            /* as default we use the current CS size */
719
            flags = 0;
720
            if (env) {
721
#ifdef TARGET_X86_64
722
                if ((env->efer & MSR_EFER_LMA) &&
723
                    (env->segs[R_CS].flags & DESC_L_MASK))
724
                    flags = 2;
725
                else
726
#endif
727
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
728
                    flags = 1;
729
            }
730
        }
731
#endif
732
        monitor_disas(mon, env, addr, count, is_physical, flags);
733
        return;
734
    }
735

    
736
    len = wsize * count;
737
    if (wsize == 1)
738
        line_size = 8;
739
    else
740
        line_size = 16;
741
    nb_per_line = line_size / wsize;
742
    max_digits = 0;
743

    
744
    switch(format) {
745
    case 'o':
746
        max_digits = (wsize * 8 + 2) / 3;
747
        break;
748
    default:
749
    case 'x':
750
        max_digits = (wsize * 8) / 4;
751
        break;
752
    case 'u':
753
    case 'd':
754
        max_digits = (wsize * 8 * 10 + 32) / 33;
755
        break;
756
    case 'c':
757
        wsize = 1;
758
        break;
759
    }
760

    
761
    while (len > 0) {
762
        if (is_physical)
763
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
764
        else
765
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
766
        l = len;
767
        if (l > line_size)
768
            l = line_size;
769
        if (is_physical) {
770
            cpu_physical_memory_rw(addr, buf, l, 0);
771
        } else {
772
            env = mon_get_cpu();
773
            if (!env)
774
                break;
775
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
776
                monitor_printf(mon, " Cannot access memory\n");
777
                break;
778
            }
779
        }
780
        i = 0;
781
        while (i < l) {
782
            switch(wsize) {
783
            default:
784
            case 1:
785
                v = ldub_raw(buf + i);
786
                break;
787
            case 2:
788
                v = lduw_raw(buf + i);
789
                break;
790
            case 4:
791
                v = (uint32_t)ldl_raw(buf + i);
792
                break;
793
            case 8:
794
                v = ldq_raw(buf + i);
795
                break;
796
            }
797
            monitor_printf(mon, " ");
798
            switch(format) {
799
            case 'o':
800
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
801
                break;
802
            case 'x':
803
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
804
                break;
805
            case 'u':
806
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
807
                break;
808
            case 'd':
809
                monitor_printf(mon, "%*" PRId64, max_digits, v);
810
                break;
811
            case 'c':
812
                monitor_printc(mon, v);
813
                break;
814
            }
815
            i += wsize;
816
        }
817
        monitor_printf(mon, "\n");
818
        addr += l;
819
        len -= l;
820
    }
821
}
822

    
823
static void do_memory_dump(Monitor *mon, const QDict *qdict)
824
{
825
    int count = qdict_get_int(qdict, "count");
826
    int format = qdict_get_int(qdict, "format");
827
    int size = qdict_get_int(qdict, "size");
828
    target_long addr = qdict_get_int(qdict, "addr");
829

    
830
    memory_dump(mon, count, format, size, addr, 0);
831
}
832

    
833
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
834
{
835
    int count = qdict_get_int(qdict, "count");
836
    int format = qdict_get_int(qdict, "format");
837
    int size = qdict_get_int(qdict, "size");
838
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
839

    
840
    memory_dump(mon, count, format, size, addr, 1);
841
}
842

    
843
static void do_print(Monitor *mon, const QDict *qdict)
844
{
845
    int format = qdict_get_int(qdict, "format");
846
    target_phys_addr_t val = qdict_get_int(qdict, "val");
847

    
848
#if TARGET_PHYS_ADDR_BITS == 32
849
    switch(format) {
850
    case 'o':
851
        monitor_printf(mon, "%#o", val);
852
        break;
853
    case 'x':
854
        monitor_printf(mon, "%#x", val);
855
        break;
856
    case 'u':
857
        monitor_printf(mon, "%u", val);
858
        break;
859
    default:
860
    case 'd':
861
        monitor_printf(mon, "%d", val);
862
        break;
863
    case 'c':
864
        monitor_printc(mon, val);
865
        break;
866
    }
867
#else
868
    switch(format) {
869
    case 'o':
870
        monitor_printf(mon, "%#" PRIo64, val);
871
        break;
872
    case 'x':
873
        monitor_printf(mon, "%#" PRIx64, val);
874
        break;
875
    case 'u':
876
        monitor_printf(mon, "%" PRIu64, val);
877
        break;
878
    default:
879
    case 'd':
880
        monitor_printf(mon, "%" PRId64, val);
881
        break;
882
    case 'c':
883
        monitor_printc(mon, val);
884
        break;
885
    }
886
#endif
887
    monitor_printf(mon, "\n");
888
}
889

    
890
static void do_memory_save(Monitor *mon, const QDict *qdict)
891
{
892
    FILE *f;
893
    uint32_t size = qdict_get_int(qdict, "size");
894
    const char *filename = qdict_get_str(qdict, "filename");
895
    target_long addr = qdict_get_int(qdict, "val");
896
    uint32_t l;
897
    CPUState *env;
898
    uint8_t buf[1024];
899

    
900
    env = mon_get_cpu();
901
    if (!env)
902
        return;
903

    
904
    f = fopen(filename, "wb");
905
    if (!f) {
906
        monitor_printf(mon, "could not open '%s'\n", filename);
907
        return;
908
    }
909
    while (size != 0) {
910
        l = sizeof(buf);
911
        if (l > size)
912
            l = size;
913
        cpu_memory_rw_debug(env, addr, buf, l, 0);
914
        fwrite(buf, 1, l, f);
915
        addr += l;
916
        size -= l;
917
    }
918
    fclose(f);
919
}
920

    
921
static void do_physical_memory_save(Monitor *mon, const QDict *qdict)
922
{
923
    FILE *f;
924
    uint32_t l;
925
    uint8_t buf[1024];
926
    uint32_t size = qdict_get_int(qdict, "size");
927
    const char *filename = qdict_get_str(qdict, "filename");
928
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
929

    
930
    f = fopen(filename, "wb");
931
    if (!f) {
932
        monitor_printf(mon, "could not open '%s'\n", filename);
933
        return;
934
    }
935
    while (size != 0) {
936
        l = sizeof(buf);
937
        if (l > size)
938
            l = size;
939
        cpu_physical_memory_rw(addr, buf, l, 0);
940
        fwrite(buf, 1, l, f);
941
        fflush(f);
942
        addr += l;
943
        size -= l;
944
    }
945
    fclose(f);
946
}
947

    
948
static void do_sum(Monitor *mon, const QDict *qdict)
949
{
950
    uint32_t addr;
951
    uint8_t buf[1];
952
    uint16_t sum;
953
    uint32_t start = qdict_get_int(qdict, "start");
954
    uint32_t size = qdict_get_int(qdict, "size");
955

    
956
    sum = 0;
957
    for(addr = start; addr < (start + size); addr++) {
958
        cpu_physical_memory_rw(addr, buf, 1, 0);
959
        /* BSD sum algorithm ('sum' Unix command) */
960
        sum = (sum >> 1) | (sum << 15);
961
        sum += buf[0];
962
    }
963
    monitor_printf(mon, "%05d\n", sum);
964
}
965

    
966
typedef struct {
967
    int keycode;
968
    const char *name;
969
} KeyDef;
970

    
971
static const KeyDef key_defs[] = {
972
    { 0x2a, "shift" },
973
    { 0x36, "shift_r" },
974

    
975
    { 0x38, "alt" },
976
    { 0xb8, "alt_r" },
977
    { 0x64, "altgr" },
978
    { 0xe4, "altgr_r" },
979
    { 0x1d, "ctrl" },
980
    { 0x9d, "ctrl_r" },
981

    
982
    { 0xdd, "menu" },
983

    
984
    { 0x01, "esc" },
985

    
986
    { 0x02, "1" },
987
    { 0x03, "2" },
988
    { 0x04, "3" },
989
    { 0x05, "4" },
990
    { 0x06, "5" },
991
    { 0x07, "6" },
992
    { 0x08, "7" },
993
    { 0x09, "8" },
994
    { 0x0a, "9" },
995
    { 0x0b, "0" },
996
    { 0x0c, "minus" },
997
    { 0x0d, "equal" },
998
    { 0x0e, "backspace" },
999

    
1000
    { 0x0f, "tab" },
1001
    { 0x10, "q" },
1002
    { 0x11, "w" },
1003
    { 0x12, "e" },
1004
    { 0x13, "r" },
1005
    { 0x14, "t" },
1006
    { 0x15, "y" },
1007
    { 0x16, "u" },
1008
    { 0x17, "i" },
1009
    { 0x18, "o" },
1010
    { 0x19, "p" },
1011

    
1012
    { 0x1c, "ret" },
1013

    
1014
    { 0x1e, "a" },
1015
    { 0x1f, "s" },
1016
    { 0x20, "d" },
1017
    { 0x21, "f" },
1018
    { 0x22, "g" },
1019
    { 0x23, "h" },
1020
    { 0x24, "j" },
1021
    { 0x25, "k" },
1022
    { 0x26, "l" },
1023

    
1024
    { 0x2c, "z" },
1025
    { 0x2d, "x" },
1026
    { 0x2e, "c" },
1027
    { 0x2f, "v" },
1028
    { 0x30, "b" },
1029
    { 0x31, "n" },
1030
    { 0x32, "m" },
1031
    { 0x33, "comma" },
1032
    { 0x34, "dot" },
1033
    { 0x35, "slash" },
1034

    
1035
    { 0x37, "asterisk" },
1036

    
1037
    { 0x39, "spc" },
1038
    { 0x3a, "caps_lock" },
1039
    { 0x3b, "f1" },
1040
    { 0x3c, "f2" },
1041
    { 0x3d, "f3" },
1042
    { 0x3e, "f4" },
1043
    { 0x3f, "f5" },
1044
    { 0x40, "f6" },
1045
    { 0x41, "f7" },
1046
    { 0x42, "f8" },
1047
    { 0x43, "f9" },
1048
    { 0x44, "f10" },
1049
    { 0x45, "num_lock" },
1050
    { 0x46, "scroll_lock" },
1051

    
1052
    { 0xb5, "kp_divide" },
1053
    { 0x37, "kp_multiply" },
1054
    { 0x4a, "kp_subtract" },
1055
    { 0x4e, "kp_add" },
1056
    { 0x9c, "kp_enter" },
1057
    { 0x53, "kp_decimal" },
1058
    { 0x54, "sysrq" },
1059

    
1060
    { 0x52, "kp_0" },
1061
    { 0x4f, "kp_1" },
1062
    { 0x50, "kp_2" },
1063
    { 0x51, "kp_3" },
1064
    { 0x4b, "kp_4" },
1065
    { 0x4c, "kp_5" },
1066
    { 0x4d, "kp_6" },
1067
    { 0x47, "kp_7" },
1068
    { 0x48, "kp_8" },
1069
    { 0x49, "kp_9" },
1070

    
1071
    { 0x56, "<" },
1072

    
1073
    { 0x57, "f11" },
1074
    { 0x58, "f12" },
1075

    
1076
    { 0xb7, "print" },
1077

    
1078
    { 0xc7, "home" },
1079
    { 0xc9, "pgup" },
1080
    { 0xd1, "pgdn" },
1081
    { 0xcf, "end" },
1082

    
1083
    { 0xcb, "left" },
1084
    { 0xc8, "up" },
1085
    { 0xd0, "down" },
1086
    { 0xcd, "right" },
1087

    
1088
    { 0xd2, "insert" },
1089
    { 0xd3, "delete" },
1090
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1091
    { 0xf0, "stop" },
1092
    { 0xf1, "again" },
1093
    { 0xf2, "props" },
1094
    { 0xf3, "undo" },
1095
    { 0xf4, "front" },
1096
    { 0xf5, "copy" },
1097
    { 0xf6, "open" },
1098
    { 0xf7, "paste" },
1099
    { 0xf8, "find" },
1100
    { 0xf9, "cut" },
1101
    { 0xfa, "lf" },
1102
    { 0xfb, "help" },
1103
    { 0xfc, "meta_l" },
1104
    { 0xfd, "meta_r" },
1105
    { 0xfe, "compose" },
1106
#endif
1107
    { 0, NULL },
1108
};
1109

    
1110
static int get_keycode(const char *key)
1111
{
1112
    const KeyDef *p;
1113
    char *endp;
1114
    int ret;
1115

    
1116
    for(p = key_defs; p->name != NULL; p++) {
1117
        if (!strcmp(key, p->name))
1118
            return p->keycode;
1119
    }
1120
    if (strstart(key, "0x", NULL)) {
1121
        ret = strtoul(key, &endp, 0);
1122
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1123
            return ret;
1124
    }
1125
    return -1;
1126
}
1127

    
1128
#define MAX_KEYCODES 16
1129
static uint8_t keycodes[MAX_KEYCODES];
1130
static int nb_pending_keycodes;
1131
static QEMUTimer *key_timer;
1132

    
1133
static void release_keys(void *opaque)
1134
{
1135
    int keycode;
1136

    
1137
    while (nb_pending_keycodes > 0) {
1138
        nb_pending_keycodes--;
1139
        keycode = keycodes[nb_pending_keycodes];
1140
        if (keycode & 0x80)
1141
            kbd_put_keycode(0xe0);
1142
        kbd_put_keycode(keycode | 0x80);
1143
    }
1144
}
1145

    
1146
static void do_sendkey(Monitor *mon, const QDict *qdict)
1147
{
1148
    char keyname_buf[16];
1149
    char *separator;
1150
    int keyname_len, keycode, i;
1151
    const char *string = qdict_get_str(qdict, "string");
1152
    int has_hold_time = qdict_haskey(qdict, "hold_time");
1153
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1154

    
1155
    if (nb_pending_keycodes > 0) {
1156
        qemu_del_timer(key_timer);
1157
        release_keys(NULL);
1158
    }
1159
    if (!has_hold_time)
1160
        hold_time = 100;
1161
    i = 0;
1162
    while (1) {
1163
        separator = strchr(string, '-');
1164
        keyname_len = separator ? separator - string : strlen(string);
1165
        if (keyname_len > 0) {
1166
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1167
            if (keyname_len > sizeof(keyname_buf) - 1) {
1168
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1169
                return;
1170
            }
1171
            if (i == MAX_KEYCODES) {
1172
                monitor_printf(mon, "too many keys\n");
1173
                return;
1174
            }
1175
            keyname_buf[keyname_len] = 0;
1176
            keycode = get_keycode(keyname_buf);
1177
            if (keycode < 0) {
1178
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1179
                return;
1180
            }
1181
            keycodes[i++] = keycode;
1182
        }
1183
        if (!separator)
1184
            break;
1185
        string = separator + 1;
1186
    }
1187
    nb_pending_keycodes = i;
1188
    /* key down events */
1189
    for (i = 0; i < nb_pending_keycodes; i++) {
1190
        keycode = keycodes[i];
1191
        if (keycode & 0x80)
1192
            kbd_put_keycode(0xe0);
1193
        kbd_put_keycode(keycode & 0x7f);
1194
    }
1195
    /* delayed key up events */
1196
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1197
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
1198
}
1199

    
1200
static int mouse_button_state;
1201

    
1202
static void do_mouse_move(Monitor *mon, const QDict *qdict)
1203
{
1204
    int dx, dy, dz;
1205
    const char *dx_str = qdict_get_str(qdict, "dx_str");
1206
    const char *dy_str = qdict_get_str(qdict, "dy_str");
1207
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1208
    dx = strtol(dx_str, NULL, 0);
1209
    dy = strtol(dy_str, NULL, 0);
1210
    dz = 0;
1211
    if (dz_str)
1212
        dz = strtol(dz_str, NULL, 0);
1213
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1214
}
1215

    
1216
static void do_mouse_button(Monitor *mon, const QDict *qdict)
1217
{
1218
    int button_state = qdict_get_int(qdict, "button_state");
1219
    mouse_button_state = button_state;
1220
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1221
}
1222

    
1223
static void do_ioport_read(Monitor *mon, const QDict *qdict)
1224
{
1225
    int size = qdict_get_int(qdict, "size");
1226
    int addr = qdict_get_int(qdict, "addr");
1227
    int has_index = qdict_haskey(qdict, "index");
1228
    uint32_t val;
1229
    int suffix;
1230

    
1231
    if (has_index) {
1232
        int index = qdict_get_int(qdict, "index");
1233
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1234
        addr++;
1235
    }
1236
    addr &= 0xffff;
1237

    
1238
    switch(size) {
1239
    default:
1240
    case 1:
1241
        val = cpu_inb(addr);
1242
        suffix = 'b';
1243
        break;
1244
    case 2:
1245
        val = cpu_inw(addr);
1246
        suffix = 'w';
1247
        break;
1248
    case 4:
1249
        val = cpu_inl(addr);
1250
        suffix = 'l';
1251
        break;
1252
    }
1253
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1254
                   suffix, addr, size * 2, val);
1255
}
1256

    
1257
static void do_ioport_write(Monitor *mon, const QDict *qdict)
1258
{
1259
    int size = qdict_get_int(qdict, "size");
1260
    int addr = qdict_get_int(qdict, "addr");
1261
    int val = qdict_get_int(qdict, "val");
1262

    
1263
    addr &= IOPORTS_MASK;
1264

    
1265
    switch (size) {
1266
    default:
1267
    case 1:
1268
        cpu_outb(addr, val);
1269
        break;
1270
    case 2:
1271
        cpu_outw(addr, val);
1272
        break;
1273
    case 4:
1274
        cpu_outl(addr, val);
1275
        break;
1276
    }
1277
}
1278

    
1279
static void do_boot_set(Monitor *mon, const QDict *qdict)
1280
{
1281
    int res;
1282
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1283

    
1284
    res = qemu_boot_set(bootdevice);
1285
    if (res == 0) {
1286
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1287
    } else if (res > 0) {
1288
        monitor_printf(mon, "setting boot device list failed\n");
1289
    } else {
1290
        monitor_printf(mon, "no function defined to set boot device list for "
1291
                       "this architecture\n");
1292
    }
1293
}
1294

    
1295
/**
1296
 * do_system_reset(): Issue a machine reset
1297
 */
1298
static void do_system_reset(Monitor *mon, const QDict *qdict,
1299
                            QObject **ret_data)
1300
{
1301
    qemu_system_reset_request();
1302
}
1303

    
1304
/**
1305
 * do_system_powerdown(): Issue a machine powerdown
1306
 */
1307
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1308
                                QObject **ret_data)
1309
{
1310
    qemu_system_powerdown_request();
1311
}
1312

    
1313
#if defined(TARGET_I386)
1314
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1315
{
1316
    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1317
                   addr,
1318
                   pte & mask,
1319
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
1320
                   pte & PG_PSE_MASK ? 'P' : '-',
1321
                   pte & PG_DIRTY_MASK ? 'D' : '-',
1322
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
1323
                   pte & PG_PCD_MASK ? 'C' : '-',
1324
                   pte & PG_PWT_MASK ? 'T' : '-',
1325
                   pte & PG_USER_MASK ? 'U' : '-',
1326
                   pte & PG_RW_MASK ? 'W' : '-');
1327
}
1328

    
1329
static void tlb_info(Monitor *mon)
1330
{
1331
    CPUState *env;
1332
    int l1, l2;
1333
    uint32_t pgd, pde, pte;
1334

    
1335
    env = mon_get_cpu();
1336
    if (!env)
1337
        return;
1338

    
1339
    if (!(env->cr[0] & CR0_PG_MASK)) {
1340
        monitor_printf(mon, "PG disabled\n");
1341
        return;
1342
    }
1343
    pgd = env->cr[3] & ~0xfff;
1344
    for(l1 = 0; l1 < 1024; l1++) {
1345
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1346
        pde = le32_to_cpu(pde);
1347
        if (pde & PG_PRESENT_MASK) {
1348
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1349
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1350
            } else {
1351
                for(l2 = 0; l2 < 1024; l2++) {
1352
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1353
                                             (uint8_t *)&pte, 4);
1354
                    pte = le32_to_cpu(pte);
1355
                    if (pte & PG_PRESENT_MASK) {
1356
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1357
                                  pte & ~PG_PSE_MASK,
1358
                                  ~0xfff);
1359
                    }
1360
                }
1361
            }
1362
        }
1363
    }
1364
}
1365

    
1366
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1367
                      uint32_t end, int prot)
1368
{
1369
    int prot1;
1370
    prot1 = *plast_prot;
1371
    if (prot != prot1) {
1372
        if (*pstart != -1) {
1373
            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1374
                           *pstart, end, end - *pstart,
1375
                           prot1 & PG_USER_MASK ? 'u' : '-',
1376
                           'r',
1377
                           prot1 & PG_RW_MASK ? 'w' : '-');
1378
        }
1379
        if (prot != 0)
1380
            *pstart = end;
1381
        else
1382
            *pstart = -1;
1383
        *plast_prot = prot;
1384
    }
1385
}
1386

    
1387
static void mem_info(Monitor *mon)
1388
{
1389
    CPUState *env;
1390
    int l1, l2, prot, last_prot;
1391
    uint32_t pgd, pde, pte, start, end;
1392

    
1393
    env = mon_get_cpu();
1394
    if (!env)
1395
        return;
1396

    
1397
    if (!(env->cr[0] & CR0_PG_MASK)) {
1398
        monitor_printf(mon, "PG disabled\n");
1399
        return;
1400
    }
1401
    pgd = env->cr[3] & ~0xfff;
1402
    last_prot = 0;
1403
    start = -1;
1404
    for(l1 = 0; l1 < 1024; l1++) {
1405
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1406
        pde = le32_to_cpu(pde);
1407
        end = l1 << 22;
1408
        if (pde & PG_PRESENT_MASK) {
1409
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1410
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1411
                mem_print(mon, &start, &last_prot, end, prot);
1412
            } else {
1413
                for(l2 = 0; l2 < 1024; l2++) {
1414
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1415
                                             (uint8_t *)&pte, 4);
1416
                    pte = le32_to_cpu(pte);
1417
                    end = (l1 << 22) + (l2 << 12);
1418
                    if (pte & PG_PRESENT_MASK) {
1419
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1420
                    } else {
1421
                        prot = 0;
1422
                    }
1423
                    mem_print(mon, &start, &last_prot, end, prot);
1424
                }
1425
            }
1426
        } else {
1427
            prot = 0;
1428
            mem_print(mon, &start, &last_prot, end, prot);
1429
        }
1430
    }
1431
}
1432
#endif
1433

    
1434
#if defined(TARGET_SH4)
1435

    
1436
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1437
{
1438
    monitor_printf(mon, " tlb%i:\t"
1439
                   "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1440
                   "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1441
                   "dirty=%hhu writethrough=%hhu\n",
1442
                   idx,
1443
                   tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1444
                   tlb->v, tlb->sh, tlb->c, tlb->pr,
1445
                   tlb->d, tlb->wt);
1446
}
1447

    
1448
static void tlb_info(Monitor *mon)
1449
{
1450
    CPUState *env = mon_get_cpu();
1451
    int i;
1452

    
1453
    monitor_printf (mon, "ITLB:\n");
1454
    for (i = 0 ; i < ITLB_SIZE ; i++)
1455
        print_tlb (mon, i, &env->itlb[i]);
1456
    monitor_printf (mon, "UTLB:\n");
1457
    for (i = 0 ; i < UTLB_SIZE ; i++)
1458
        print_tlb (mon, i, &env->utlb[i]);
1459
}
1460

    
1461
#endif
1462

    
1463
static void do_info_kvm(Monitor *mon)
1464
{
1465
#ifdef CONFIG_KVM
1466
    monitor_printf(mon, "kvm support: ");
1467
    if (kvm_enabled())
1468
        monitor_printf(mon, "enabled\n");
1469
    else
1470
        monitor_printf(mon, "disabled\n");
1471
#else
1472
    monitor_printf(mon, "kvm support: not compiled\n");
1473
#endif
1474
}
1475

    
1476
static void do_info_numa(Monitor *mon)
1477
{
1478
    int i;
1479
    CPUState *env;
1480

    
1481
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1482
    for (i = 0; i < nb_numa_nodes; i++) {
1483
        monitor_printf(mon, "node %d cpus:", i);
1484
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1485
            if (env->numa_node == i) {
1486
                monitor_printf(mon, " %d", env->cpu_index);
1487
            }
1488
        }
1489
        monitor_printf(mon, "\n");
1490
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1491
            node_mem[i] >> 20);
1492
    }
1493
}
1494

    
1495
#ifdef CONFIG_PROFILER
1496

    
1497
int64_t qemu_time;
1498
int64_t dev_time;
1499

    
1500
static void do_info_profile(Monitor *mon)
1501
{
1502
    int64_t total;
1503
    total = qemu_time;
1504
    if (total == 0)
1505
        total = 1;
1506
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1507
                   dev_time, dev_time / (double)get_ticks_per_sec());
1508
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1509
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
1510
    qemu_time = 0;
1511
    dev_time = 0;
1512
}
1513
#else
1514
static void do_info_profile(Monitor *mon)
1515
{
1516
    monitor_printf(mon, "Internal profiler not compiled\n");
1517
}
1518
#endif
1519

    
1520
/* Capture support */
1521
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1522

    
1523
static void do_info_capture(Monitor *mon)
1524
{
1525
    int i;
1526
    CaptureState *s;
1527

    
1528
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1529
        monitor_printf(mon, "[%d]: ", i);
1530
        s->ops.info (s->opaque);
1531
    }
1532
}
1533

    
1534
#ifdef HAS_AUDIO
1535
static void do_stop_capture(Monitor *mon, const QDict *qdict)
1536
{
1537
    int i;
1538
    int n = qdict_get_int(qdict, "n");
1539
    CaptureState *s;
1540

    
1541
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1542
        if (i == n) {
1543
            s->ops.destroy (s->opaque);
1544
            QLIST_REMOVE (s, entries);
1545
            qemu_free (s);
1546
            return;
1547
        }
1548
    }
1549
}
1550

    
1551
static void do_wav_capture(Monitor *mon, const QDict *qdict)
1552
{
1553
    const char *path = qdict_get_str(qdict, "path");
1554
    int has_freq = qdict_haskey(qdict, "freq");
1555
    int freq = qdict_get_try_int(qdict, "freq", -1);
1556
    int has_bits = qdict_haskey(qdict, "bits");
1557
    int bits = qdict_get_try_int(qdict, "bits", -1);
1558
    int has_channels = qdict_haskey(qdict, "nchannels");
1559
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1560
    CaptureState *s;
1561

    
1562
    s = qemu_mallocz (sizeof (*s));
1563

    
1564
    freq = has_freq ? freq : 44100;
1565
    bits = has_bits ? bits : 16;
1566
    nchannels = has_channels ? nchannels : 2;
1567

    
1568
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1569
        monitor_printf(mon, "Faied to add wave capture\n");
1570
        qemu_free (s);
1571
    }
1572
    QLIST_INSERT_HEAD (&capture_head, s, entries);
1573
}
1574
#endif
1575

    
1576
#if defined(TARGET_I386)
1577
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1578
{
1579
    CPUState *env;
1580
    int cpu_index = qdict_get_int(qdict, "cpu_index");
1581

    
1582
    for (env = first_cpu; env != NULL; env = env->next_cpu)
1583
        if (env->cpu_index == cpu_index) {
1584
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
1585
            break;
1586
        }
1587
}
1588
#endif
1589

    
1590
static void do_info_status(Monitor *mon)
1591
{
1592
    if (vm_running) {
1593
        if (singlestep) {
1594
            monitor_printf(mon, "VM status: running (single step mode)\n");
1595
        } else {
1596
            monitor_printf(mon, "VM status: running\n");
1597
        }
1598
    } else
1599
       monitor_printf(mon, "VM status: paused\n");
1600
}
1601

    
1602

    
1603
static void do_balloon(Monitor *mon, const QDict *qdict)
1604
{
1605
    int value = qdict_get_int(qdict, "value");
1606
    ram_addr_t target = value;
1607
    qemu_balloon(target << 20);
1608
}
1609

    
1610
static void do_info_balloon(Monitor *mon)
1611
{
1612
    ram_addr_t actual;
1613

    
1614
    actual = qemu_balloon_status();
1615
    if (kvm_enabled() && !kvm_has_sync_mmu())
1616
        monitor_printf(mon, "Using KVM without synchronous MMU, "
1617
                       "ballooning disabled\n");
1618
    else if (actual == 0)
1619
        monitor_printf(mon, "Ballooning not activated in VM\n");
1620
    else
1621
        monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1622
}
1623

    
1624
static qemu_acl *find_acl(Monitor *mon, const char *name)
1625
{
1626
    qemu_acl *acl = qemu_acl_find(name);
1627

    
1628
    if (!acl) {
1629
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1630
    }
1631
    return acl;
1632
}
1633

    
1634
static void do_acl_show(Monitor *mon, const QDict *qdict)
1635
{
1636
    const char *aclname = qdict_get_str(qdict, "aclname");
1637
    qemu_acl *acl = find_acl(mon, aclname);
1638
    qemu_acl_entry *entry;
1639
    int i = 0;
1640

    
1641
    if (acl) {
1642
        monitor_printf(mon, "policy: %s\n",
1643
                       acl->defaultDeny ? "deny" : "allow");
1644
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1645
            i++;
1646
            monitor_printf(mon, "%d: %s %s\n", i,
1647
                           entry->deny ? "deny" : "allow", entry->match);
1648
        }
1649
    }
1650
}
1651

    
1652
static void do_acl_reset(Monitor *mon, const QDict *qdict)
1653
{
1654
    const char *aclname = qdict_get_str(qdict, "aclname");
1655
    qemu_acl *acl = find_acl(mon, aclname);
1656

    
1657
    if (acl) {
1658
        qemu_acl_reset(acl);
1659
        monitor_printf(mon, "acl: removed all rules\n");
1660
    }
1661
}
1662

    
1663
static void do_acl_policy(Monitor *mon, const QDict *qdict)
1664
{
1665
    const char *aclname = qdict_get_str(qdict, "aclname");
1666
    const char *policy = qdict_get_str(qdict, "policy");
1667
    qemu_acl *acl = find_acl(mon, aclname);
1668

    
1669
    if (acl) {
1670
        if (strcmp(policy, "allow") == 0) {
1671
            acl->defaultDeny = 0;
1672
            monitor_printf(mon, "acl: policy set to 'allow'\n");
1673
        } else if (strcmp(policy, "deny") == 0) {
1674
            acl->defaultDeny = 1;
1675
            monitor_printf(mon, "acl: policy set to 'deny'\n");
1676
        } else {
1677
            monitor_printf(mon, "acl: unknown policy '%s', "
1678
                           "expected 'deny' or 'allow'\n", policy);
1679
        }
1680
    }
1681
}
1682

    
1683
static void do_acl_add(Monitor *mon, const QDict *qdict)
1684
{
1685
    const char *aclname = qdict_get_str(qdict, "aclname");
1686
    const char *match = qdict_get_str(qdict, "match");
1687
    const char *policy = qdict_get_str(qdict, "policy");
1688
    int has_index = qdict_haskey(qdict, "index");
1689
    int index = qdict_get_try_int(qdict, "index", -1);
1690
    qemu_acl *acl = find_acl(mon, aclname);
1691
    int deny, ret;
1692

    
1693
    if (acl) {
1694
        if (strcmp(policy, "allow") == 0) {
1695
            deny = 0;
1696
        } else if (strcmp(policy, "deny") == 0) {
1697
            deny = 1;
1698
        } else {
1699
            monitor_printf(mon, "acl: unknown policy '%s', "
1700
                           "expected 'deny' or 'allow'\n", policy);
1701
            return;
1702
        }
1703
        if (has_index)
1704
            ret = qemu_acl_insert(acl, deny, match, index);
1705
        else
1706
            ret = qemu_acl_append(acl, deny, match);
1707
        if (ret < 0)
1708
            monitor_printf(mon, "acl: unable to add acl entry\n");
1709
        else
1710
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
1711
    }
1712
}
1713

    
1714
static void do_acl_remove(Monitor *mon, const QDict *qdict)
1715
{
1716
    const char *aclname = qdict_get_str(qdict, "aclname");
1717
    const char *match = qdict_get_str(qdict, "match");
1718
    qemu_acl *acl = find_acl(mon, aclname);
1719
    int ret;
1720

    
1721
    if (acl) {
1722
        ret = qemu_acl_remove(acl, match);
1723
        if (ret < 0)
1724
            monitor_printf(mon, "acl: no matching acl entry\n");
1725
        else
1726
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1727
    }
1728
}
1729

    
1730
#if defined(TARGET_I386)
1731
static void do_inject_mce(Monitor *mon, const QDict *qdict)
1732
{
1733
    CPUState *cenv;
1734
    int cpu_index = qdict_get_int(qdict, "cpu_index");
1735
    int bank = qdict_get_int(qdict, "bank");
1736
    uint64_t status = qdict_get_int(qdict, "status");
1737
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
1738
    uint64_t addr = qdict_get_int(qdict, "addr");
1739
    uint64_t misc = qdict_get_int(qdict, "misc");
1740

    
1741
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
1742
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
1743
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
1744
            break;
1745
        }
1746
}
1747
#endif
1748

    
1749
static void do_getfd(Monitor *mon, const QDict *qdict)
1750
{
1751
    const char *fdname = qdict_get_str(qdict, "fdname");
1752
    mon_fd_t *monfd;
1753
    int fd;
1754

    
1755
    fd = qemu_chr_get_msgfd(mon->chr);
1756
    if (fd == -1) {
1757
        monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
1758
        return;
1759
    }
1760

    
1761
    if (qemu_isdigit(fdname[0])) {
1762
        monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
1763
        return;
1764
    }
1765

    
1766
    fd = dup(fd);
1767
    if (fd == -1) {
1768
        monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
1769
                       strerror(errno));
1770
        return;
1771
    }
1772

    
1773
    QLIST_FOREACH(monfd, &mon->fds, next) {
1774
        if (strcmp(monfd->name, fdname) != 0) {
1775
            continue;
1776
        }
1777

    
1778
        close(monfd->fd);
1779
        monfd->fd = fd;
1780
        return;
1781
    }
1782

    
1783
    monfd = qemu_mallocz(sizeof(mon_fd_t));
1784
    monfd->name = qemu_strdup(fdname);
1785
    monfd->fd = fd;
1786

    
1787
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
1788
}
1789

    
1790
static void do_closefd(Monitor *mon, const QDict *qdict)
1791
{
1792
    const char *fdname = qdict_get_str(qdict, "fdname");
1793
    mon_fd_t *monfd;
1794

    
1795
    QLIST_FOREACH(monfd, &mon->fds, next) {
1796
        if (strcmp(monfd->name, fdname) != 0) {
1797
            continue;
1798
        }
1799

    
1800
        QLIST_REMOVE(monfd, next);
1801
        close(monfd->fd);
1802
        qemu_free(monfd->name);
1803
        qemu_free(monfd);
1804
        return;
1805
    }
1806

    
1807
    monitor_printf(mon, "Failed to find file descriptor named %s\n",
1808
                   fdname);
1809
}
1810

    
1811
static void do_loadvm(Monitor *mon, const QDict *qdict)
1812
{
1813
    int saved_vm_running  = vm_running;
1814
    const char *name = qdict_get_str(qdict, "name");
1815

    
1816
    vm_stop(0);
1817

    
1818
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
1819
        vm_start();
1820
}
1821

    
1822
int monitor_get_fd(Monitor *mon, const char *fdname)
1823
{
1824
    mon_fd_t *monfd;
1825

    
1826
    QLIST_FOREACH(monfd, &mon->fds, next) {
1827
        int fd;
1828

    
1829
        if (strcmp(monfd->name, fdname) != 0) {
1830
            continue;
1831
        }
1832

    
1833
        fd = monfd->fd;
1834

    
1835
        /* caller takes ownership of fd */
1836
        QLIST_REMOVE(monfd, next);
1837
        qemu_free(monfd->name);
1838
        qemu_free(monfd);
1839

    
1840
        return fd;
1841
    }
1842

    
1843
    return -1;
1844
}
1845

    
1846
static const mon_cmd_t mon_cmds[] = {
1847
#include "qemu-monitor.h"
1848
    { NULL, NULL, },
1849
};
1850

    
1851
/* Please update qemu-monitor.hx when adding or changing commands */
1852
static const mon_cmd_t info_cmds[] = {
1853
    {
1854
        .name       = "version",
1855
        .args_type  = "",
1856
        .params     = "",
1857
        .help       = "show the version of QEMU",
1858
        .mhandler.info = do_info_version,
1859
    },
1860
    {
1861
        .name       = "network",
1862
        .args_type  = "",
1863
        .params     = "",
1864
        .help       = "show the network state",
1865
        .mhandler.info = do_info_network,
1866
    },
1867
    {
1868
        .name       = "chardev",
1869
        .args_type  = "",
1870
        .params     = "",
1871
        .help       = "show the character devices",
1872
        .mhandler.info = qemu_chr_info,
1873
    },
1874
    {
1875
        .name       = "block",
1876
        .args_type  = "",
1877
        .params     = "",
1878
        .help       = "show the block devices",
1879
        .mhandler.info = bdrv_info,
1880
    },
1881
    {
1882
        .name       = "blockstats",
1883
        .args_type  = "",
1884
        .params     = "",
1885
        .help       = "show block device statistics",
1886
        .mhandler.info = bdrv_info_stats,
1887
    },
1888
    {
1889
        .name       = "registers",
1890
        .args_type  = "",
1891
        .params     = "",
1892
        .help       = "show the cpu registers",
1893
        .mhandler.info = do_info_registers,
1894
    },
1895
    {
1896
        .name       = "cpus",
1897
        .args_type  = "",
1898
        .params     = "",
1899
        .help       = "show infos for each CPU",
1900
        .mhandler.info = do_info_cpus,
1901
    },
1902
    {
1903
        .name       = "history",
1904
        .args_type  = "",
1905
        .params     = "",
1906
        .help       = "show the command line history",
1907
        .mhandler.info = do_info_history,
1908
    },
1909
    {
1910
        .name       = "irq",
1911
        .args_type  = "",
1912
        .params     = "",
1913
        .help       = "show the interrupts statistics (if available)",
1914
        .mhandler.info = irq_info,
1915
    },
1916
    {
1917
        .name       = "pic",
1918
        .args_type  = "",
1919
        .params     = "",
1920
        .help       = "show i8259 (PIC) state",
1921
        .mhandler.info = pic_info,
1922
    },
1923
    {
1924
        .name       = "pci",
1925
        .args_type  = "",
1926
        .params     = "",
1927
        .help       = "show PCI info",
1928
        .mhandler.info = pci_info,
1929
    },
1930
#if defined(TARGET_I386) || defined(TARGET_SH4)
1931
    {
1932
        .name       = "tlb",
1933
        .args_type  = "",
1934
        .params     = "",
1935
        .help       = "show virtual to physical memory mappings",
1936
        .mhandler.info = tlb_info,
1937
    },
1938
#endif
1939
#if defined(TARGET_I386)
1940
    {
1941
        .name       = "mem",
1942
        .args_type  = "",
1943
        .params     = "",
1944
        .help       = "show the active virtual memory mappings",
1945
        .mhandler.info = mem_info,
1946
    },
1947
    {
1948
        .name       = "hpet",
1949
        .args_type  = "",
1950
        .params     = "",
1951
        .help       = "show state of HPET",
1952
        .mhandler.info = do_info_hpet,
1953
    },
1954
#endif
1955
    {
1956
        .name       = "jit",
1957
        .args_type  = "",
1958
        .params     = "",
1959
        .help       = "show dynamic compiler info",
1960
        .mhandler.info = do_info_jit,
1961
    },
1962
    {
1963
        .name       = "kvm",
1964
        .args_type  = "",
1965
        .params     = "",
1966
        .help       = "show KVM information",
1967
        .mhandler.info = do_info_kvm,
1968
    },
1969
    {
1970
        .name       = "numa",
1971
        .args_type  = "",
1972
        .params     = "",
1973
        .help       = "show NUMA information",
1974
        .mhandler.info = do_info_numa,
1975
    },
1976
    {
1977
        .name       = "usb",
1978
        .args_type  = "",
1979
        .params     = "",
1980
        .help       = "show guest USB devices",
1981
        .mhandler.info = usb_info,
1982
    },
1983
    {
1984
        .name       = "usbhost",
1985
        .args_type  = "",
1986
        .params     = "",
1987
        .help       = "show host USB devices",
1988
        .mhandler.info = usb_host_info,
1989
    },
1990
    {
1991
        .name       = "profile",
1992
        .args_type  = "",
1993
        .params     = "",
1994
        .help       = "show profiling information",
1995
        .mhandler.info = do_info_profile,
1996
    },
1997
    {
1998
        .name       = "capture",
1999
        .args_type  = "",
2000
        .params     = "",
2001
        .help       = "show capture information",
2002
        .mhandler.info = do_info_capture,
2003
    },
2004
    {
2005
        .name       = "snapshots",
2006
        .args_type  = "",
2007
        .params     = "",
2008
        .help       = "show the currently saved VM snapshots",
2009
        .mhandler.info = do_info_snapshots,
2010
    },
2011
    {
2012
        .name       = "status",
2013
        .args_type  = "",
2014
        .params     = "",
2015
        .help       = "show the current VM status (running|paused)",
2016
        .mhandler.info = do_info_status,
2017
    },
2018
    {
2019
        .name       = "pcmcia",
2020
        .args_type  = "",
2021
        .params     = "",
2022
        .help       = "show guest PCMCIA status",
2023
        .mhandler.info = pcmcia_info,
2024
    },
2025
    {
2026
        .name       = "mice",
2027
        .args_type  = "",
2028
        .params     = "",
2029
        .help       = "show which guest mouse is receiving events",
2030
        .mhandler.info = do_info_mice,
2031
    },
2032
    {
2033
        .name       = "vnc",
2034
        .args_type  = "",
2035
        .params     = "",
2036
        .help       = "show the vnc server status",
2037
        .mhandler.info = do_info_vnc,
2038
    },
2039
    {
2040
        .name       = "name",
2041
        .args_type  = "",
2042
        .params     = "",
2043
        .help       = "show the current VM name",
2044
        .mhandler.info = do_info_name,
2045
    },
2046
    {
2047
        .name       = "uuid",
2048
        .args_type  = "",
2049
        .params     = "",
2050
        .help       = "show the current VM UUID",
2051
        .mhandler.info = do_info_uuid,
2052
    },
2053
#if defined(TARGET_PPC)
2054
    {
2055
        .name       = "cpustats",
2056
        .args_type  = "",
2057
        .params     = "",
2058
        .help       = "show CPU statistics",
2059
        .mhandler.info = do_info_cpu_stats,
2060
    },
2061
#endif
2062
#if defined(CONFIG_SLIRP)
2063
    {
2064
        .name       = "usernet",
2065
        .args_type  = "",
2066
        .params     = "",
2067
        .help       = "show user network stack connection states",
2068
        .mhandler.info = do_info_usernet,
2069
    },
2070
#endif
2071
    {
2072
        .name       = "migrate",
2073
        .args_type  = "",
2074
        .params     = "",
2075
        .help       = "show migration status",
2076
        .mhandler.info = do_info_migrate,
2077
    },
2078
    {
2079
        .name       = "balloon",
2080
        .args_type  = "",
2081
        .params     = "",
2082
        .help       = "show balloon information",
2083
        .mhandler.info = do_info_balloon,
2084
    },
2085
    {
2086
        .name       = "qtree",
2087
        .args_type  = "",
2088
        .params     = "",
2089
        .help       = "show device tree",
2090
        .mhandler.info = do_info_qtree,
2091
    },
2092
    {
2093
        .name       = "qdm",
2094
        .args_type  = "",
2095
        .params     = "",
2096
        .help       = "show qdev device model list",
2097
        .mhandler.info = do_info_qdm,
2098
    },
2099
    {
2100
        .name       = "roms",
2101
        .args_type  = "",
2102
        .params     = "",
2103
        .help       = "show roms",
2104
        .mhandler.info = do_info_roms,
2105
    },
2106
    {
2107
        .name       = NULL,
2108
    },
2109
};
2110

    
2111
/*******************************************************************/
2112

    
2113
static const char *pch;
2114
static jmp_buf expr_env;
2115

    
2116
#define MD_TLONG 0
2117
#define MD_I32   1
2118

    
2119
typedef struct MonitorDef {
2120
    const char *name;
2121
    int offset;
2122
    target_long (*get_value)(const struct MonitorDef *md, int val);
2123
    int type;
2124
} MonitorDef;
2125

    
2126
#if defined(TARGET_I386)
2127
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2128
{
2129
    CPUState *env = mon_get_cpu();
2130
    if (!env)
2131
        return 0;
2132
    return env->eip + env->segs[R_CS].base;
2133
}
2134
#endif
2135

    
2136
#if defined(TARGET_PPC)
2137
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2138
{
2139
    CPUState *env = mon_get_cpu();
2140
    unsigned int u;
2141
    int i;
2142

    
2143
    if (!env)
2144
        return 0;
2145

    
2146
    u = 0;
2147
    for (i = 0; i < 8; i++)
2148
        u |= env->crf[i] << (32 - (4 * i));
2149

    
2150
    return u;
2151
}
2152

    
2153
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2154
{
2155
    CPUState *env = mon_get_cpu();
2156
    if (!env)
2157
        return 0;
2158
    return env->msr;
2159
}
2160

    
2161
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2162
{
2163
    CPUState *env = mon_get_cpu();
2164
    if (!env)
2165
        return 0;
2166
    return env->xer;
2167
}
2168

    
2169
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2170
{
2171
    CPUState *env = mon_get_cpu();
2172
    if (!env)
2173
        return 0;
2174
    return cpu_ppc_load_decr(env);
2175
}
2176

    
2177
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2178
{
2179
    CPUState *env = mon_get_cpu();
2180
    if (!env)
2181
        return 0;
2182
    return cpu_ppc_load_tbu(env);
2183
}
2184

    
2185
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2186
{
2187
    CPUState *env = mon_get_cpu();
2188
    if (!env)
2189
        return 0;
2190
    return cpu_ppc_load_tbl(env);
2191
}
2192
#endif
2193

    
2194
#if defined(TARGET_SPARC)
2195
#ifndef TARGET_SPARC64
2196
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2197
{
2198
    CPUState *env = mon_get_cpu();
2199
    if (!env)
2200
        return 0;
2201
    return GET_PSR(env);
2202
}
2203
#endif
2204

    
2205
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2206
{
2207
    CPUState *env = mon_get_cpu();
2208
    if (!env)
2209
        return 0;
2210
    return env->regwptr[val];
2211
}
2212
#endif
2213

    
2214
static const MonitorDef monitor_defs[] = {
2215
#ifdef TARGET_I386
2216

    
2217
#define SEG(name, seg) \
2218
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2219
    { name ".base", offsetof(CPUState, segs[seg].base) },\
2220
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2221

    
2222
    { "eax", offsetof(CPUState, regs[0]) },
2223
    { "ecx", offsetof(CPUState, regs[1]) },
2224
    { "edx", offsetof(CPUState, regs[2]) },
2225
    { "ebx", offsetof(CPUState, regs[3]) },
2226
    { "esp|sp", offsetof(CPUState, regs[4]) },
2227
    { "ebp|fp", offsetof(CPUState, regs[5]) },
2228
    { "esi", offsetof(CPUState, regs[6]) },
2229
    { "edi", offsetof(CPUState, regs[7]) },
2230
#ifdef TARGET_X86_64
2231
    { "r8", offsetof(CPUState, regs[8]) },
2232
    { "r9", offsetof(CPUState, regs[9]) },
2233
    { "r10", offsetof(CPUState, regs[10]) },
2234
    { "r11", offsetof(CPUState, regs[11]) },
2235
    { "r12", offsetof(CPUState, regs[12]) },
2236
    { "r13", offsetof(CPUState, regs[13]) },
2237
    { "r14", offsetof(CPUState, regs[14]) },
2238
    { "r15", offsetof(CPUState, regs[15]) },
2239
#endif
2240
    { "eflags", offsetof(CPUState, eflags) },
2241
    { "eip", offsetof(CPUState, eip) },
2242
    SEG("cs", R_CS)
2243
    SEG("ds", R_DS)
2244
    SEG("es", R_ES)
2245
    SEG("ss", R_SS)
2246
    SEG("fs", R_FS)
2247
    SEG("gs", R_GS)
2248
    { "pc", 0, monitor_get_pc, },
2249
#elif defined(TARGET_PPC)
2250
    /* General purpose registers */
2251
    { "r0", offsetof(CPUState, gpr[0]) },
2252
    { "r1", offsetof(CPUState, gpr[1]) },
2253
    { "r2", offsetof(CPUState, gpr[2]) },
2254
    { "r3", offsetof(CPUState, gpr[3]) },
2255
    { "r4", offsetof(CPUState, gpr[4]) },
2256
    { "r5", offsetof(CPUState, gpr[5]) },
2257
    { "r6", offsetof(CPUState, gpr[6]) },
2258
    { "r7", offsetof(CPUState, gpr[7]) },
2259
    { "r8", offsetof(CPUState, gpr[8]) },
2260
    { "r9", offsetof(CPUState, gpr[9]) },
2261
    { "r10", offsetof(CPUState, gpr[10]) },
2262
    { "r11", offsetof(CPUState, gpr[11]) },
2263
    { "r12", offsetof(CPUState, gpr[12]) },
2264
    { "r13", offsetof(CPUState, gpr[13]) },
2265
    { "r14", offsetof(CPUState, gpr[14]) },
2266
    { "r15", offsetof(CPUState, gpr[15]) },
2267
    { "r16", offsetof(CPUState, gpr[16]) },
2268
    { "r17", offsetof(CPUState, gpr[17]) },
2269
    { "r18", offsetof(CPUState, gpr[18]) },
2270
    { "r19", offsetof(CPUState, gpr[19]) },
2271
    { "r20", offsetof(CPUState, gpr[20]) },
2272
    { "r21", offsetof(CPUState, gpr[21]) },
2273
    { "r22", offsetof(CPUState, gpr[22]) },
2274
    { "r23", offsetof(CPUState, gpr[23]) },
2275
    { "r24", offsetof(CPUState, gpr[24]) },
2276
    { "r25", offsetof(CPUState, gpr[25]) },
2277
    { "r26", offsetof(CPUState, gpr[26]) },
2278
    { "r27", offsetof(CPUState, gpr[27]) },
2279
    { "r28", offsetof(CPUState, gpr[28]) },
2280
    { "r29", offsetof(CPUState, gpr[29]) },
2281
    { "r30", offsetof(CPUState, gpr[30]) },
2282
    { "r31", offsetof(CPUState, gpr[31]) },
2283
    /* Floating point registers */
2284
    { "f0", offsetof(CPUState, fpr[0]) },
2285
    { "f1", offsetof(CPUState, fpr[1]) },
2286
    { "f2", offsetof(CPUState, fpr[2]) },
2287
    { "f3", offsetof(CPUState, fpr[3]) },
2288
    { "f4", offsetof(CPUState, fpr[4]) },
2289
    { "f5", offsetof(CPUState, fpr[5]) },
2290
    { "f6", offsetof(CPUState, fpr[6]) },
2291
    { "f7", offsetof(CPUState, fpr[7]) },
2292
    { "f8", offsetof(CPUState, fpr[8]) },
2293
    { "f9", offsetof(CPUState, fpr[9]) },
2294
    { "f10", offsetof(CPUState, fpr[10]) },
2295
    { "f11", offsetof(CPUState, fpr[11]) },
2296
    { "f12", offsetof(CPUState, fpr[12]) },
2297
    { "f13", offsetof(CPUState, fpr[13]) },
2298
    { "f14", offsetof(CPUState, fpr[14]) },
2299
    { "f15", offsetof(CPUState, fpr[15]) },
2300
    { "f16", offsetof(CPUState, fpr[16]) },
2301
    { "f17", offsetof(CPUState, fpr[17]) },
2302
    { "f18", offsetof(CPUState, fpr[18]) },
2303
    { "f19", offsetof(CPUState, fpr[19]) },
2304
    { "f20", offsetof(CPUState, fpr[20]) },
2305
    { "f21", offsetof(CPUState, fpr[21]) },
2306
    { "f22", offsetof(CPUState, fpr[22]) },
2307
    { "f23", offsetof(CPUState, fpr[23]) },
2308
    { "f24", offsetof(CPUState, fpr[24]) },
2309
    { "f25", offsetof(CPUState, fpr[25]) },
2310
    { "f26", offsetof(CPUState, fpr[26]) },
2311
    { "f27", offsetof(CPUState, fpr[27]) },
2312
    { "f28", offsetof(CPUState, fpr[28]) },
2313
    { "f29", offsetof(CPUState, fpr[29]) },
2314
    { "f30", offsetof(CPUState, fpr[30]) },
2315
    { "f31", offsetof(CPUState, fpr[31]) },
2316
    { "fpscr", offsetof(CPUState, fpscr) },
2317
    /* Next instruction pointer */
2318
    { "nip|pc", offsetof(CPUState, nip) },
2319
    { "lr", offsetof(CPUState, lr) },
2320
    { "ctr", offsetof(CPUState, ctr) },
2321
    { "decr", 0, &monitor_get_decr, },
2322
    { "ccr", 0, &monitor_get_ccr, },
2323
    /* Machine state register */
2324
    { "msr", 0, &monitor_get_msr, },
2325
    { "xer", 0, &monitor_get_xer, },
2326
    { "tbu", 0, &monitor_get_tbu, },
2327
    { "tbl", 0, &monitor_get_tbl, },
2328
#if defined(TARGET_PPC64)
2329
    /* Address space register */
2330
    { "asr", offsetof(CPUState, asr) },
2331
#endif
2332
    /* Segment registers */
2333
    { "sdr1", offsetof(CPUState, sdr1) },
2334
    { "sr0", offsetof(CPUState, sr[0]) },
2335
    { "sr1", offsetof(CPUState, sr[1]) },
2336
    { "sr2", offsetof(CPUState, sr[2]) },
2337
    { "sr3", offsetof(CPUState, sr[3]) },
2338
    { "sr4", offsetof(CPUState, sr[4]) },
2339
    { "sr5", offsetof(CPUState, sr[5]) },
2340
    { "sr6", offsetof(CPUState, sr[6]) },
2341
    { "sr7", offsetof(CPUState, sr[7]) },
2342
    { "sr8", offsetof(CPUState, sr[8]) },
2343
    { "sr9", offsetof(CPUState, sr[9]) },
2344
    { "sr10", offsetof(CPUState, sr[10]) },
2345
    { "sr11", offsetof(CPUState, sr[11]) },
2346
    { "sr12", offsetof(CPUState, sr[12]) },
2347
    { "sr13", offsetof(CPUState, sr[13]) },
2348
    { "sr14", offsetof(CPUState, sr[14]) },
2349
    { "sr15", offsetof(CPUState, sr[15]) },
2350
    /* Too lazy to put BATs and SPRs ... */
2351
#elif defined(TARGET_SPARC)
2352
    { "g0", offsetof(CPUState, gregs[0]) },
2353
    { "g1", offsetof(CPUState, gregs[1]) },
2354
    { "g2", offsetof(CPUState, gregs[2]) },
2355
    { "g3", offsetof(CPUState, gregs[3]) },
2356
    { "g4", offsetof(CPUState, gregs[4]) },
2357
    { "g5", offsetof(CPUState, gregs[5]) },
2358
    { "g6", offsetof(CPUState, gregs[6]) },
2359
    { "g7", offsetof(CPUState, gregs[7]) },
2360
    { "o0", 0, monitor_get_reg },
2361
    { "o1", 1, monitor_get_reg },
2362
    { "o2", 2, monitor_get_reg },
2363
    { "o3", 3, monitor_get_reg },
2364
    { "o4", 4, monitor_get_reg },
2365
    { "o5", 5, monitor_get_reg },
2366
    { "o6", 6, monitor_get_reg },
2367
    { "o7", 7, monitor_get_reg },
2368
    { "l0", 8, monitor_get_reg },
2369
    { "l1", 9, monitor_get_reg },
2370
    { "l2", 10, monitor_get_reg },
2371
    { "l3", 11, monitor_get_reg },
2372
    { "l4", 12, monitor_get_reg },
2373
    { "l5", 13, monitor_get_reg },
2374
    { "l6", 14, monitor_get_reg },
2375
    { "l7", 15, monitor_get_reg },
2376
    { "i0", 16, monitor_get_reg },
2377
    { "i1", 17, monitor_get_reg },
2378
    { "i2", 18, monitor_get_reg },
2379
    { "i3", 19, monitor_get_reg },
2380
    { "i4", 20, monitor_get_reg },
2381
    { "i5", 21, monitor_get_reg },
2382
    { "i6", 22, monitor_get_reg },
2383
    { "i7", 23, monitor_get_reg },
2384
    { "pc", offsetof(CPUState, pc) },
2385
    { "npc", offsetof(CPUState, npc) },
2386
    { "y", offsetof(CPUState, y) },
2387
#ifndef TARGET_SPARC64
2388
    { "psr", 0, &monitor_get_psr, },
2389
    { "wim", offsetof(CPUState, wim) },
2390
#endif
2391
    { "tbr", offsetof(CPUState, tbr) },
2392
    { "fsr", offsetof(CPUState, fsr) },
2393
    { "f0", offsetof(CPUState, fpr[0]) },
2394
    { "f1", offsetof(CPUState, fpr[1]) },
2395
    { "f2", offsetof(CPUState, fpr[2]) },
2396
    { "f3", offsetof(CPUState, fpr[3]) },
2397
    { "f4", offsetof(CPUState, fpr[4]) },
2398
    { "f5", offsetof(CPUState, fpr[5]) },
2399
    { "f6", offsetof(CPUState, fpr[6]) },
2400
    { "f7", offsetof(CPUState, fpr[7]) },
2401
    { "f8", offsetof(CPUState, fpr[8]) },
2402
    { "f9", offsetof(CPUState, fpr[9]) },
2403
    { "f10", offsetof(CPUState, fpr[10]) },
2404
    { "f11", offsetof(CPUState, fpr[11]) },
2405
    { "f12", offsetof(CPUState, fpr[12]) },
2406
    { "f13", offsetof(CPUState, fpr[13]) },
2407
    { "f14", offsetof(CPUState, fpr[14]) },
2408
    { "f15", offsetof(CPUState, fpr[15]) },
2409
    { "f16", offsetof(CPUState, fpr[16]) },
2410
    { "f17", offsetof(CPUState, fpr[17]) },
2411
    { "f18", offsetof(CPUState, fpr[18]) },
2412
    { "f19", offsetof(CPUState, fpr[19]) },
2413
    { "f20", offsetof(CPUState, fpr[20]) },
2414
    { "f21", offsetof(CPUState, fpr[21]) },
2415
    { "f22", offsetof(CPUState, fpr[22]) },
2416
    { "f23", offsetof(CPUState, fpr[23]) },
2417
    { "f24", offsetof(CPUState, fpr[24]) },
2418
    { "f25", offsetof(CPUState, fpr[25]) },
2419
    { "f26", offsetof(CPUState, fpr[26]) },
2420
    { "f27", offsetof(CPUState, fpr[27]) },
2421
    { "f28", offsetof(CPUState, fpr[28]) },
2422
    { "f29", offsetof(CPUState, fpr[29]) },
2423
    { "f30", offsetof(CPUState, fpr[30]) },
2424
    { "f31", offsetof(CPUState, fpr[31]) },
2425
#ifdef TARGET_SPARC64
2426
    { "f32", offsetof(CPUState, fpr[32]) },
2427
    { "f34", offsetof(CPUState, fpr[34]) },
2428
    { "f36", offsetof(CPUState, fpr[36]) },
2429
    { "f38", offsetof(CPUState, fpr[38]) },
2430
    { "f40", offsetof(CPUState, fpr[40]) },
2431
    { "f42", offsetof(CPUState, fpr[42]) },
2432
    { "f44", offsetof(CPUState, fpr[44]) },
2433
    { "f46", offsetof(CPUState, fpr[46]) },
2434
    { "f48", offsetof(CPUState, fpr[48]) },
2435
    { "f50", offsetof(CPUState, fpr[50]) },
2436
    { "f52", offsetof(CPUState, fpr[52]) },
2437
    { "f54", offsetof(CPUState, fpr[54]) },
2438
    { "f56", offsetof(CPUState, fpr[56]) },
2439
    { "f58", offsetof(CPUState, fpr[58]) },
2440
    { "f60", offsetof(CPUState, fpr[60]) },
2441
    { "f62", offsetof(CPUState, fpr[62]) },
2442
    { "asi", offsetof(CPUState, asi) },
2443
    { "pstate", offsetof(CPUState, pstate) },
2444
    { "cansave", offsetof(CPUState, cansave) },
2445
    { "canrestore", offsetof(CPUState, canrestore) },
2446
    { "otherwin", offsetof(CPUState, otherwin) },
2447
    { "wstate", offsetof(CPUState, wstate) },
2448
    { "cleanwin", offsetof(CPUState, cleanwin) },
2449
    { "fprs", offsetof(CPUState, fprs) },
2450
#endif
2451
#endif
2452
    { NULL },
2453
};
2454

    
2455
static void expr_error(Monitor *mon, const char *msg)
2456
{
2457
    monitor_printf(mon, "%s\n", msg);
2458
    longjmp(expr_env, 1);
2459
}
2460

    
2461
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
2462
static int get_monitor_def(target_long *pval, const char *name)
2463
{
2464
    const MonitorDef *md;
2465
    void *ptr;
2466

    
2467
    for(md = monitor_defs; md->name != NULL; md++) {
2468
        if (compare_cmd(name, md->name)) {
2469
            if (md->get_value) {
2470
                *pval = md->get_value(md, md->offset);
2471
            } else {
2472
                CPUState *env = mon_get_cpu();
2473
                if (!env)
2474
                    return -2;
2475
                ptr = (uint8_t *)env + md->offset;
2476
                switch(md->type) {
2477
                case MD_I32:
2478
                    *pval = *(int32_t *)ptr;
2479
                    break;
2480
                case MD_TLONG:
2481
                    *pval = *(target_long *)ptr;
2482
                    break;
2483
                default:
2484
                    *pval = 0;
2485
                    break;
2486
                }
2487
            }
2488
            return 0;
2489
        }
2490
    }
2491
    return -1;
2492
}
2493

    
2494
static void next(void)
2495
{
2496
    if (*pch != '\0') {
2497
        pch++;
2498
        while (qemu_isspace(*pch))
2499
            pch++;
2500
    }
2501
}
2502

    
2503
static int64_t expr_sum(Monitor *mon);
2504

    
2505
static int64_t expr_unary(Monitor *mon)
2506
{
2507
    int64_t n;
2508
    char *p;
2509
    int ret;
2510

    
2511
    switch(*pch) {
2512
    case '+':
2513
        next();
2514
        n = expr_unary(mon);
2515
        break;
2516
    case '-':
2517
        next();
2518
        n = -expr_unary(mon);
2519
        break;
2520
    case '~':
2521
        next();
2522
        n = ~expr_unary(mon);
2523
        break;
2524
    case '(':
2525
        next();
2526
        n = expr_sum(mon);
2527
        if (*pch != ')') {
2528
            expr_error(mon, "')' expected");
2529
        }
2530
        next();
2531
        break;
2532
    case '\'':
2533
        pch++;
2534
        if (*pch == '\0')
2535
            expr_error(mon, "character constant expected");
2536
        n = *pch;
2537
        pch++;
2538
        if (*pch != '\'')
2539
            expr_error(mon, "missing terminating \' character");
2540
        next();
2541
        break;
2542
    case '$':
2543
        {
2544
            char buf[128], *q;
2545
            target_long reg=0;
2546

    
2547
            pch++;
2548
            q = buf;
2549
            while ((*pch >= 'a' && *pch <= 'z') ||
2550
                   (*pch >= 'A' && *pch <= 'Z') ||
2551
                   (*pch >= '0' && *pch <= '9') ||
2552
                   *pch == '_' || *pch == '.') {
2553
                if ((q - buf) < sizeof(buf) - 1)
2554
                    *q++ = *pch;
2555
                pch++;
2556
            }
2557
            while (qemu_isspace(*pch))
2558
                pch++;
2559
            *q = 0;
2560
            ret = get_monitor_def(&reg, buf);
2561
            if (ret == -1)
2562
                expr_error(mon, "unknown register");
2563
            else if (ret == -2)
2564
                expr_error(mon, "no cpu defined");
2565
            n = reg;
2566
        }
2567
        break;
2568
    case '\0':
2569
        expr_error(mon, "unexpected end of expression");
2570
        n = 0;
2571
        break;
2572
    default:
2573
#if TARGET_PHYS_ADDR_BITS > 32
2574
        n = strtoull(pch, &p, 0);
2575
#else
2576
        n = strtoul(pch, &p, 0);
2577
#endif
2578
        if (pch == p) {
2579
            expr_error(mon, "invalid char in expression");
2580
        }
2581
        pch = p;
2582
        while (qemu_isspace(*pch))
2583
            pch++;
2584
        break;
2585
    }
2586
    return n;
2587
}
2588

    
2589

    
2590
static int64_t expr_prod(Monitor *mon)
2591
{
2592
    int64_t val, val2;
2593
    int op;
2594

    
2595
    val = expr_unary(mon);
2596
    for(;;) {
2597
        op = *pch;
2598
        if (op != '*' && op != '/' && op != '%')
2599
            break;
2600
        next();
2601
        val2 = expr_unary(mon);
2602
        switch(op) {
2603
        default:
2604
        case '*':
2605
            val *= val2;
2606
            break;
2607
        case '/':
2608
        case '%':
2609
            if (val2 == 0)
2610
                expr_error(mon, "division by zero");
2611
            if (op == '/')
2612
                val /= val2;
2613
            else
2614
                val %= val2;
2615
            break;
2616
        }
2617
    }
2618
    return val;
2619
}
2620

    
2621
static int64_t expr_logic(Monitor *mon)
2622
{
2623
    int64_t val, val2;
2624
    int op;
2625

    
2626
    val = expr_prod(mon);
2627
    for(;;) {
2628
        op = *pch;
2629
        if (op != '&' && op != '|' && op != '^')
2630
            break;
2631
        next();
2632
        val2 = expr_prod(mon);
2633
        switch(op) {
2634
        default:
2635
        case '&':
2636
            val &= val2;
2637
            break;
2638
        case '|':
2639
            val |= val2;
2640
            break;
2641
        case '^':
2642
            val ^= val2;
2643
            break;
2644
        }
2645
    }
2646
    return val;
2647
}
2648

    
2649
static int64_t expr_sum(Monitor *mon)
2650
{
2651
    int64_t val, val2;
2652
    int op;
2653

    
2654
    val = expr_logic(mon);
2655
    for(;;) {
2656
        op = *pch;
2657
        if (op != '+' && op != '-')
2658
            break;
2659
        next();
2660
        val2 = expr_logic(mon);
2661
        if (op == '+')
2662
            val += val2;
2663
        else
2664
            val -= val2;
2665
    }
2666
    return val;
2667
}
2668

    
2669
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2670
{
2671
    pch = *pp;
2672
    if (setjmp(expr_env)) {
2673
        *pp = pch;
2674
        return -1;
2675
    }
2676
    while (qemu_isspace(*pch))
2677
        pch++;
2678
    *pval = expr_sum(mon);
2679
    *pp = pch;
2680
    return 0;
2681
}
2682

    
2683
static int get_str(char *buf, int buf_size, const char **pp)
2684
{
2685
    const char *p;
2686
    char *q;
2687
    int c;
2688

    
2689
    q = buf;
2690
    p = *pp;
2691
    while (qemu_isspace(*p))
2692
        p++;
2693
    if (*p == '\0') {
2694
    fail:
2695
        *q = '\0';
2696
        *pp = p;
2697
        return -1;
2698
    }
2699
    if (*p == '\"') {
2700
        p++;
2701
        while (*p != '\0' && *p != '\"') {
2702
            if (*p == '\\') {
2703
                p++;
2704
                c = *p++;
2705
                switch(c) {
2706
                case 'n':
2707
                    c = '\n';
2708
                    break;
2709
                case 'r':
2710
                    c = '\r';
2711
                    break;
2712
                case '\\':
2713
                case '\'':
2714
                case '\"':
2715
                    break;
2716
                default:
2717
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
2718
                    goto fail;
2719
                }
2720
                if ((q - buf) < buf_size - 1) {
2721
                    *q++ = c;
2722
                }
2723
            } else {
2724
                if ((q - buf) < buf_size - 1) {
2725
                    *q++ = *p;
2726
                }
2727
                p++;
2728
            }
2729
        }
2730
        if (*p != '\"') {
2731
            qemu_printf("unterminated string\n");
2732
            goto fail;
2733
        }
2734
        p++;
2735
    } else {
2736
        while (*p != '\0' && !qemu_isspace(*p)) {
2737
            if ((q - buf) < buf_size - 1) {
2738
                *q++ = *p;
2739
            }
2740
            p++;
2741
        }
2742
    }
2743
    *q = '\0';
2744
    *pp = p;
2745
    return 0;
2746
}
2747

    
2748
/*
2749
 * Store the command-name in cmdname, and return a pointer to
2750
 * the remaining of the command string.
2751
 */
2752
static const char *get_command_name(const char *cmdline,
2753
                                    char *cmdname, size_t nlen)
2754
{
2755
    size_t len;
2756
    const char *p, *pstart;
2757

    
2758
    p = cmdline;
2759
    while (qemu_isspace(*p))
2760
        p++;
2761
    if (*p == '\0')
2762
        return NULL;
2763
    pstart = p;
2764
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2765
        p++;
2766
    len = p - pstart;
2767
    if (len > nlen - 1)
2768
        len = nlen - 1;
2769
    memcpy(cmdname, pstart, len);
2770
    cmdname[len] = '\0';
2771
    return p;
2772
}
2773

    
2774
/**
2775
 * Read key of 'type' into 'key' and return the current
2776
 * 'type' pointer.
2777
 */
2778
static char *key_get_info(const char *type, char **key)
2779
{
2780
    size_t len;
2781
    char *p, *str;
2782

    
2783
    if (*type == ',')
2784
        type++;
2785

    
2786
    p = strchr(type, ':');
2787
    if (!p) {
2788
        *key = NULL;
2789
        return NULL;
2790
    }
2791
    len = p - type;
2792

    
2793
    str = qemu_malloc(len + 1);
2794
    memcpy(str, type, len);
2795
    str[len] = '\0';
2796

    
2797
    *key = str;
2798
    return ++p;
2799
}
2800

    
2801
static int default_fmt_format = 'x';
2802
static int default_fmt_size = 4;
2803

    
2804
#define MAX_ARGS 16
2805

    
2806
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
2807
                                              const char *cmdline,
2808
                                              QDict *qdict)
2809
{
2810
    const char *p, *typestr;
2811
    int c;
2812
    const mon_cmd_t *cmd;
2813
    char cmdname[256];
2814
    char buf[1024];
2815
    char *key;
2816

    
2817
#ifdef DEBUG
2818
    monitor_printf(mon, "command='%s'\n", cmdline);
2819
#endif
2820

    
2821
    /* extract the command name */
2822
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2823
    if (!p)
2824
        return NULL;
2825

    
2826
    /* find the command */
2827
    for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2828
        if (compare_cmd(cmdname, cmd->name))
2829
            break;
2830
    }
2831

    
2832
    if (cmd->name == NULL) {
2833
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2834
        return NULL;
2835
    }
2836

    
2837
    /* parse the parameters */
2838
    typestr = cmd->args_type;
2839
    for(;;) {
2840
        typestr = key_get_info(typestr, &key);
2841
        if (!typestr)
2842
            break;
2843
        c = *typestr;
2844
        typestr++;
2845
        switch(c) {
2846
        case 'F':
2847
        case 'B':
2848
        case 's':
2849
            {
2850
                int ret;
2851

    
2852
                while (qemu_isspace(*p))
2853
                    p++;
2854
                if (*typestr == '?') {
2855
                    typestr++;
2856
                    if (*p == '\0') {
2857
                        /* no optional string: NULL argument */
2858
                        break;
2859
                    }
2860
                }
2861
                ret = get_str(buf, sizeof(buf), &p);
2862
                if (ret < 0) {
2863
                    switch(c) {
2864
                    case 'F':
2865
                        monitor_printf(mon, "%s: filename expected\n",
2866
                                       cmdname);
2867
                        break;
2868
                    case 'B':
2869
                        monitor_printf(mon, "%s: block device name expected\n",
2870
                                       cmdname);
2871
                        break;
2872
                    default:
2873
                        monitor_printf(mon, "%s: string expected\n", cmdname);
2874
                        break;
2875
                    }
2876
                    goto fail;
2877
                }
2878
                qdict_put(qdict, key, qstring_from_str(buf));
2879
            }
2880
            break;
2881
        case '/':
2882
            {
2883
                int count, format, size;
2884

    
2885
                while (qemu_isspace(*p))
2886
                    p++;
2887
                if (*p == '/') {
2888
                    /* format found */
2889
                    p++;
2890
                    count = 1;
2891
                    if (qemu_isdigit(*p)) {
2892
                        count = 0;
2893
                        while (qemu_isdigit(*p)) {
2894
                            count = count * 10 + (*p - '0');
2895
                            p++;
2896
                        }
2897
                    }
2898
                    size = -1;
2899
                    format = -1;
2900
                    for(;;) {
2901
                        switch(*p) {
2902
                        case 'o':
2903
                        case 'd':
2904
                        case 'u':
2905
                        case 'x':
2906
                        case 'i':
2907
                        case 'c':
2908
                            format = *p++;
2909
                            break;
2910
                        case 'b':
2911
                            size = 1;
2912
                            p++;
2913
                            break;
2914
                        case 'h':
2915
                            size = 2;
2916
                            p++;
2917
                            break;
2918
                        case 'w':
2919
                            size = 4;
2920
                            p++;
2921
                            break;
2922
                        case 'g':
2923
                        case 'L':
2924
                            size = 8;
2925
                            p++;
2926
                            break;
2927
                        default:
2928
                            goto next;
2929
                        }
2930
                    }
2931
                next:
2932
                    if (*p != '\0' && !qemu_isspace(*p)) {
2933
                        monitor_printf(mon, "invalid char in format: '%c'\n",
2934
                                       *p);
2935
                        goto fail;
2936
                    }
2937
                    if (format < 0)
2938
                        format = default_fmt_format;
2939
                    if (format != 'i') {
2940
                        /* for 'i', not specifying a size gives -1 as size */
2941
                        if (size < 0)
2942
                            size = default_fmt_size;
2943
                        default_fmt_size = size;
2944
                    }
2945
                    default_fmt_format = format;
2946
                } else {
2947
                    count = 1;
2948
                    format = default_fmt_format;
2949
                    if (format != 'i') {
2950
                        size = default_fmt_size;
2951
                    } else {
2952
                        size = -1;
2953
                    }
2954
                }
2955
                qdict_put(qdict, "count", qint_from_int(count));
2956
                qdict_put(qdict, "format", qint_from_int(format));
2957
                qdict_put(qdict, "size", qint_from_int(size));
2958
            }
2959
            break;
2960
        case 'i':
2961
        case 'l':
2962
            {
2963
                int64_t val;
2964

    
2965
                while (qemu_isspace(*p))
2966
                    p++;
2967
                if (*typestr == '?' || *typestr == '.') {
2968
                    if (*typestr == '?') {
2969
                        if (*p == '\0') {
2970
                            typestr++;
2971
                            break;
2972
                        }
2973
                    } else {
2974
                        if (*p == '.') {
2975
                            p++;
2976
                            while (qemu_isspace(*p))
2977
                                p++;
2978
                        } else {
2979
                            typestr++;
2980
                            break;
2981
                        }
2982
                    }
2983
                    typestr++;
2984
                }
2985
                if (get_expr(mon, &val, &p))
2986
                    goto fail;
2987
                /* Check if 'i' is greater than 32-bit */
2988
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
2989
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
2990
                    monitor_printf(mon, "integer is for 32-bit values\n");
2991
                    goto fail;
2992
                }
2993
                qdict_put(qdict, key, qint_from_int(val));
2994
            }
2995
            break;
2996
        case '-':
2997
            {
2998
                int has_option;
2999
                /* option */
3000

    
3001
                c = *typestr++;
3002
                if (c == '\0')
3003
                    goto bad_type;
3004
                while (qemu_isspace(*p))
3005
                    p++;
3006
                has_option = 0;
3007
                if (*p == '-') {
3008
                    p++;
3009
                    if (*p != c) {
3010
                        monitor_printf(mon, "%s: unsupported option -%c\n",
3011
                                       cmdname, *p);
3012
                        goto fail;
3013
                    }
3014
                    p++;
3015
                    has_option = 1;
3016
                }
3017
                qdict_put(qdict, key, qint_from_int(has_option));
3018
            }
3019
            break;
3020
        default:
3021
        bad_type:
3022
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3023
            goto fail;
3024
        }
3025
        qemu_free(key);
3026
        key = NULL;
3027
    }
3028
    /* check that all arguments were parsed */
3029
    while (qemu_isspace(*p))
3030
        p++;
3031
    if (*p != '\0') {
3032
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3033
                       cmdname);
3034
        goto fail;
3035
    }
3036

    
3037
    return cmd;
3038

    
3039
fail:
3040
    qemu_free(key);
3041
    return NULL;
3042
}
3043

    
3044
static void monitor_handle_command(Monitor *mon, const char *cmdline)
3045
{
3046
    QDict *qdict;
3047
    const mon_cmd_t *cmd;
3048

    
3049
    qdict = qdict_new();
3050

    
3051
    cmd = monitor_parse_command(mon, cmdline, qdict);
3052
    if (!cmd)
3053
        goto out;
3054

    
3055
    qemu_errors_to_mon(mon);
3056

    
3057
    if (monitor_handler_ported(cmd)) {
3058
        QObject *data = NULL;
3059

    
3060
        cmd->mhandler.cmd_new(mon, qdict, &data);
3061
        if (data)
3062
            cmd->user_print(mon, data);
3063

    
3064
        qobject_decref(data);
3065
    } else {
3066
        cmd->mhandler.cmd(mon, qdict);
3067
    }
3068

    
3069
   qemu_errors_to_previous();
3070

    
3071
out:
3072
    QDECREF(qdict);
3073
}
3074

    
3075
static void cmd_completion(const char *name, const char *list)
3076
{
3077
    const char *p, *pstart;
3078
    char cmd[128];
3079
    int len;
3080

    
3081
    p = list;
3082
    for(;;) {
3083
        pstart = p;
3084
        p = strchr(p, '|');
3085
        if (!p)
3086
            p = pstart + strlen(pstart);
3087
        len = p - pstart;
3088
        if (len > sizeof(cmd) - 2)
3089
            len = sizeof(cmd) - 2;
3090
        memcpy(cmd, pstart, len);
3091
        cmd[len] = '\0';
3092
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3093
            readline_add_completion(cur_mon->rs, cmd);
3094
        }
3095
        if (*p == '\0')
3096
            break;
3097
        p++;
3098
    }
3099
}
3100

    
3101
static void file_completion(const char *input)
3102
{
3103
    DIR *ffs;
3104
    struct dirent *d;
3105
    char path[1024];
3106
    char file[1024], file_prefix[1024];
3107
    int input_path_len;
3108
    const char *p;
3109

    
3110
    p = strrchr(input, '/');
3111
    if (!p) {
3112
        input_path_len = 0;
3113
        pstrcpy(file_prefix, sizeof(file_prefix), input);
3114
        pstrcpy(path, sizeof(path), ".");
3115
    } else {
3116
        input_path_len = p - input + 1;
3117
        memcpy(path, input, input_path_len);
3118
        if (input_path_len > sizeof(path) - 1)
3119
            input_path_len = sizeof(path) - 1;
3120
        path[input_path_len] = '\0';
3121
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3122
    }
3123
#ifdef DEBUG_COMPLETION
3124
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3125
                   input, path, file_prefix);
3126
#endif
3127
    ffs = opendir(path);
3128
    if (!ffs)
3129
        return;
3130
    for(;;) {
3131
        struct stat sb;
3132
        d = readdir(ffs);
3133
        if (!d)
3134
            break;
3135
        if (strstart(d->d_name, file_prefix, NULL)) {
3136
            memcpy(file, input, input_path_len);
3137
            if (input_path_len < sizeof(file))
3138
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3139
                        d->d_name);
3140
            /* stat the file to find out if it's a directory.
3141
             * In that case add a slash to speed up typing long paths
3142
             */
3143
            stat(file, &sb);
3144
            if(S_ISDIR(sb.st_mode))
3145
                pstrcat(file, sizeof(file), "/");
3146
            readline_add_completion(cur_mon->rs, file);
3147
        }
3148
    }
3149
    closedir(ffs);
3150
}
3151

    
3152
static void block_completion_it(void *opaque, BlockDriverState *bs)
3153
{
3154
    const char *name = bdrv_get_device_name(bs);
3155
    const char *input = opaque;
3156

    
3157
    if (input[0] == '\0' ||
3158
        !strncmp(name, (char *)input, strlen(input))) {
3159
        readline_add_completion(cur_mon->rs, name);
3160
    }
3161
}
3162

    
3163
/* NOTE: this parser is an approximate form of the real command parser */
3164
static void parse_cmdline(const char *cmdline,
3165
                         int *pnb_args, char **args)
3166
{
3167
    const char *p;
3168
    int nb_args, ret;
3169
    char buf[1024];
3170

    
3171
    p = cmdline;
3172
    nb_args = 0;
3173
    for(;;) {
3174
        while (qemu_isspace(*p))
3175
            p++;
3176
        if (*p == '\0')
3177
            break;
3178
        if (nb_args >= MAX_ARGS)
3179
            break;
3180
        ret = get_str(buf, sizeof(buf), &p);
3181
        args[nb_args] = qemu_strdup(buf);
3182
        nb_args++;
3183
        if (ret < 0)
3184
            break;
3185
    }
3186
    *pnb_args = nb_args;
3187
}
3188

    
3189
static const char *next_arg_type(const char *typestr)
3190
{
3191
    const char *p = strchr(typestr, ':');
3192
    return (p != NULL ? ++p : typestr);
3193
}
3194

    
3195
static void monitor_find_completion(const char *cmdline)
3196
{
3197
    const char *cmdname;
3198
    char *args[MAX_ARGS];
3199
    int nb_args, i, len;
3200
    const char *ptype, *str;
3201
    const mon_cmd_t *cmd;
3202
    const KeyDef *key;
3203

    
3204
    parse_cmdline(cmdline, &nb_args, args);
3205
#ifdef DEBUG_COMPLETION
3206
    for(i = 0; i < nb_args; i++) {
3207
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3208
    }
3209
#endif
3210

    
3211
    /* if the line ends with a space, it means we want to complete the
3212
       next arg */
3213
    len = strlen(cmdline);
3214
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3215
        if (nb_args >= MAX_ARGS)
3216
            return;
3217
        args[nb_args++] = qemu_strdup("");
3218
    }
3219
    if (nb_args <= 1) {
3220
        /* command completion */
3221
        if (nb_args == 0)
3222
            cmdname = "";
3223
        else
3224
            cmdname = args[0];
3225
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3226
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3227
            cmd_completion(cmdname, cmd->name);
3228
        }
3229
    } else {
3230
        /* find the command */
3231
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3232
            if (compare_cmd(args[0], cmd->name))
3233
                goto found;
3234
        }
3235
        return;
3236
    found:
3237
        ptype = next_arg_type(cmd->args_type);
3238
        for(i = 0; i < nb_args - 2; i++) {
3239
            if (*ptype != '\0') {
3240
                ptype = next_arg_type(ptype);
3241
                while (*ptype == '?')
3242
                    ptype = next_arg_type(ptype);
3243
            }
3244
        }
3245
        str = args[nb_args - 1];
3246
        if (*ptype == '-' && ptype[1] != '\0') {
3247
            ptype += 2;
3248
        }
3249
        switch(*ptype) {
3250
        case 'F':
3251
            /* file completion */
3252
            readline_set_completion_index(cur_mon->rs, strlen(str));
3253
            file_completion(str);
3254
            break;
3255
        case 'B':
3256
            /* block device name completion */
3257
            readline_set_completion_index(cur_mon->rs, strlen(str));
3258
            bdrv_iterate(block_completion_it, (void *)str);
3259
            break;
3260
        case 's':
3261
            /* XXX: more generic ? */
3262
            if (!strcmp(cmd->name, "info")) {
3263
                readline_set_completion_index(cur_mon->rs, strlen(str));
3264
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3265
                    cmd_completion(str, cmd->name);
3266
                }
3267
            } else if (!strcmp(cmd->name, "sendkey")) {
3268
                char *sep = strrchr(str, '-');
3269
                if (sep)
3270
                    str = sep + 1;
3271
                readline_set_completion_index(cur_mon->rs, strlen(str));
3272
                for(key = key_defs; key->name != NULL; key++) {
3273
                    cmd_completion(str, key->name);
3274
                }
3275
            } else if (!strcmp(cmd->name, "help|?")) {
3276
                readline_set_completion_index(cur_mon->rs, strlen(str));
3277
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3278
                    cmd_completion(str, cmd->name);
3279
                }
3280
            }
3281
            break;
3282
        default:
3283
            break;
3284
        }
3285
    }
3286
    for(i = 0; i < nb_args; i++)
3287
        qemu_free(args[i]);
3288
}
3289

    
3290
static int monitor_can_read(void *opaque)
3291
{
3292
    Monitor *mon = opaque;
3293

    
3294
    return (mon->suspend_cnt == 0) ? 128 : 0;
3295
}
3296

    
3297
static void monitor_read(void *opaque, const uint8_t *buf, int size)
3298
{
3299
    Monitor *old_mon = cur_mon;
3300
    int i;
3301

    
3302
    cur_mon = opaque;
3303

    
3304
    if (cur_mon->rs) {
3305
        for (i = 0; i < size; i++)
3306
            readline_handle_byte(cur_mon->rs, buf[i]);
3307
    } else {
3308
        if (size == 0 || buf[size - 1] != 0)
3309
            monitor_printf(cur_mon, "corrupted command\n");
3310
        else
3311
            monitor_handle_command(cur_mon, (char *)buf);
3312
    }
3313

    
3314
    cur_mon = old_mon;
3315
}
3316

    
3317
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3318
{
3319
    monitor_suspend(mon);
3320
    monitor_handle_command(mon, cmdline);
3321
    monitor_resume(mon);
3322
}
3323

    
3324
int monitor_suspend(Monitor *mon)
3325
{
3326
    if (!mon->rs)
3327
        return -ENOTTY;
3328
    mon->suspend_cnt++;
3329
    return 0;
3330
}
3331

    
3332
void monitor_resume(Monitor *mon)
3333
{
3334
    if (!mon->rs)
3335
        return;
3336
    if (--mon->suspend_cnt == 0)
3337
        readline_show_prompt(mon->rs);
3338
}
3339

    
3340
static void monitor_event(void *opaque, int event)
3341
{
3342
    Monitor *mon = opaque;
3343

    
3344
    switch (event) {
3345
    case CHR_EVENT_MUX_IN:
3346
        mon->mux_out = 0;
3347
        if (mon->reset_seen) {
3348
            readline_restart(mon->rs);
3349
            monitor_resume(mon);
3350
            monitor_flush(mon);
3351
        } else {
3352
            mon->suspend_cnt = 0;
3353
        }
3354
        break;
3355

    
3356
    case CHR_EVENT_MUX_OUT:
3357
        if (mon->reset_seen) {
3358
            if (mon->suspend_cnt == 0) {
3359
                monitor_printf(mon, "\n");
3360
            }
3361
            monitor_flush(mon);
3362
            monitor_suspend(mon);
3363
        } else {
3364
            mon->suspend_cnt++;
3365
        }
3366
        mon->mux_out = 1;
3367
        break;
3368

    
3369
    case CHR_EVENT_RESET:
3370
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3371
                       "information\n", QEMU_VERSION);
3372
        if (!mon->mux_out) {
3373
            readline_show_prompt(mon->rs);
3374
        }
3375
        mon->reset_seen = 1;
3376
        break;
3377
    }
3378
}
3379

    
3380

    
3381
/*
3382
 * Local variables:
3383
 *  c-indent-level: 4
3384
 *  c-basic-offset: 4
3385
 *  tab-width: 8
3386
 * End:
3387
 */
3388

    
3389
void monitor_init(CharDriverState *chr, int flags)
3390
{
3391
    static int is_first_init = 1;
3392
    Monitor *mon;
3393

    
3394
    if (is_first_init) {
3395
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3396
        is_first_init = 0;
3397
    }
3398

    
3399
    mon = qemu_mallocz(sizeof(*mon));
3400

    
3401
    mon->chr = chr;
3402
    mon->flags = flags;
3403
    if (flags & MONITOR_USE_READLINE) {
3404
        mon->rs = readline_init(mon, monitor_find_completion);
3405
        monitor_read_command(mon, 0);
3406
    }
3407

    
3408
    qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3409
                          mon);
3410

    
3411
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
3412
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3413
        cur_mon = mon;
3414
}
3415

    
3416
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3417
{
3418
    BlockDriverState *bs = opaque;
3419
    int ret = 0;
3420

    
3421
    if (bdrv_set_key(bs, password) != 0) {
3422
        monitor_printf(mon, "invalid password\n");
3423
        ret = -EPERM;
3424
    }
3425
    if (mon->password_completion_cb)
3426
        mon->password_completion_cb(mon->password_opaque, ret);
3427

    
3428
    monitor_read_command(mon, 1);
3429
}
3430

    
3431
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3432
                                 BlockDriverCompletionFunc *completion_cb,
3433
                                 void *opaque)
3434
{
3435
    int err;
3436

    
3437
    if (!bdrv_key_required(bs)) {
3438
        if (completion_cb)
3439
            completion_cb(opaque, 0);
3440
        return;
3441
    }
3442

    
3443
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3444
                   bdrv_get_encrypted_filename(bs));
3445

    
3446
    mon->password_completion_cb = completion_cb;
3447
    mon->password_opaque = opaque;
3448

    
3449
    err = monitor_read_password(mon, bdrv_password_cb, bs);
3450

    
3451
    if (err && completion_cb)
3452
        completion_cb(opaque, err);
3453
}
3454

    
3455
typedef struct QemuErrorSink QemuErrorSink;
3456
struct QemuErrorSink {
3457
    enum {
3458
        ERR_SINK_FILE,
3459
        ERR_SINK_MONITOR,
3460
    } dest;
3461
    union {
3462
        FILE    *fp;
3463
        Monitor *mon;
3464
    };
3465
    QemuErrorSink *previous;
3466
};
3467

    
3468
static QemuErrorSink *qemu_error_sink;
3469

    
3470
void qemu_errors_to_file(FILE *fp)
3471
{
3472
    QemuErrorSink *sink;
3473

    
3474
    sink = qemu_mallocz(sizeof(*sink));
3475
    sink->dest = ERR_SINK_FILE;
3476
    sink->fp = fp;
3477
    sink->previous = qemu_error_sink;
3478
    qemu_error_sink = sink;
3479
}
3480

    
3481
void qemu_errors_to_mon(Monitor *mon)
3482
{
3483
    QemuErrorSink *sink;
3484

    
3485
    sink = qemu_mallocz(sizeof(*sink));
3486
    sink->dest = ERR_SINK_MONITOR;
3487
    sink->mon = mon;
3488
    sink->previous = qemu_error_sink;
3489
    qemu_error_sink = sink;
3490
}
3491

    
3492
void qemu_errors_to_previous(void)
3493
{
3494
    QemuErrorSink *sink;
3495

    
3496
    assert(qemu_error_sink != NULL);
3497
    sink = qemu_error_sink;
3498
    qemu_error_sink = sink->previous;
3499
    qemu_free(sink);
3500
}
3501

    
3502
void qemu_error(const char *fmt, ...)
3503
{
3504
    va_list args;
3505

    
3506
    assert(qemu_error_sink != NULL);
3507
    switch (qemu_error_sink->dest) {
3508
    case ERR_SINK_FILE:
3509
        va_start(args, fmt);
3510
        vfprintf(qemu_error_sink->fp, fmt, args);
3511
        va_end(args);
3512
        break;
3513
    case ERR_SINK_MONITOR:
3514
        va_start(args, fmt);
3515
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
3516
        va_end(args);
3517
        break;
3518
    }
3519
}