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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 "hw/hw.h"
25
#include "hw/usb.h"
26
#include "hw/pcmcia.h"
27
#include "hw/pc.h"
28
#include "hw/pci.h"
29
#include "gdbstub.h"
30
#include "net.h"
31
#include "qemu-char.h"
32
#include "sysemu.h"
33
#include "console.h"
34
#include "block.h"
35
#include "audio/audio.h"
36
#include "disas.h"
37
#include <dirent.h>
38
#include "qemu-timer.h"
39
#include "migration.h"
40
#include "kvm.h"
41

    
42
//#define DEBUG
43
//#define DEBUG_COMPLETION
44

    
45
/*
46
 * Supported types:
47
 *
48
 * 'F'          filename
49
 * 'B'          block device name
50
 * 's'          string (accept optional quote)
51
 * 'i'          32 bit integer
52
 * 'l'          target long (32 or 64 bit)
53
 * '/'          optional gdb-like print format (like "/10x")
54
 *
55
 * '?'          optional type (for 'F', 's' and 'i')
56
 *
57
 */
58

    
59
typedef struct term_cmd_t {
60
    const char *name;
61
    const char *args_type;
62
    void *handler;
63
    const char *params;
64
    const char *help;
65
} term_cmd_t;
66

    
67
#define MAX_MON 4
68
static CharDriverState *monitor_hd[MAX_MON];
69
static int hide_banner;
70

    
71
static const term_cmd_t term_cmds[];
72
static const term_cmd_t info_cmds[];
73

    
74
static uint8_t term_outbuf[1024];
75
static int term_outbuf_index;
76

    
77
static void monitor_start_input(void);
78

    
79
static CPUState *mon_cpu = NULL;
80

    
81
void term_flush(void)
82
{
83
    int i;
84
    if (term_outbuf_index > 0) {
85
        for (i = 0; i < MAX_MON; i++)
86
            if (monitor_hd[i] && monitor_hd[i]->focus == 0)
87
                qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
88
        term_outbuf_index = 0;
89
    }
90
}
91

    
92
/* flush at every end of line or if the buffer is full */
93
void term_puts(const char *str)
94
{
95
    char c;
96
    for(;;) {
97
        c = *str++;
98
        if (c == '\0')
99
            break;
100
        if (c == '\n')
101
            term_outbuf[term_outbuf_index++] = '\r';
102
        term_outbuf[term_outbuf_index++] = c;
103
        if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
104
            c == '\n')
105
            term_flush();
106
    }
107
}
108

    
109
void term_vprintf(const char *fmt, va_list ap)
110
{
111
    char buf[4096];
112
    vsnprintf(buf, sizeof(buf), fmt, ap);
113
    term_puts(buf);
114
}
115

    
116
void term_printf(const char *fmt, ...)
117
{
118
    va_list ap;
119
    va_start(ap, fmt);
120
    term_vprintf(fmt, ap);
121
    va_end(ap);
122
}
123

    
124
void term_print_filename(const char *filename)
125
{
126
    int i;
127

    
128
    for (i = 0; filename[i]; i++) {
129
        switch (filename[i]) {
130
        case ' ':
131
        case '"':
132
        case '\\':
133
            term_printf("\\%c", filename[i]);
134
            break;
135
        case '\t':
136
            term_printf("\\t");
137
            break;
138
        case '\r':
139
            term_printf("\\r");
140
            break;
141
        case '\n':
142
            term_printf("\\n");
143
            break;
144
        default:
145
            term_printf("%c", filename[i]);
146
            break;
147
        }
148
    }
149
}
150

    
151
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
152
{
153
    va_list ap;
154
    va_start(ap, fmt);
155
    term_vprintf(fmt, ap);
156
    va_end(ap);
157
    return 0;
158
}
159

    
160
static int compare_cmd(const char *name, const char *list)
161
{
162
    const char *p, *pstart;
163
    int len;
164
    len = strlen(name);
165
    p = list;
166
    for(;;) {
167
        pstart = p;
168
        p = strchr(p, '|');
169
        if (!p)
170
            p = pstart + strlen(pstart);
171
        if ((p - pstart) == len && !memcmp(pstart, name, len))
172
            return 1;
173
        if (*p == '\0')
174
            break;
175
        p++;
176
    }
177
    return 0;
178
}
179

    
180
static void help_cmd1(const term_cmd_t *cmds, const char *prefix, const char *name)
181
{
182
    const term_cmd_t *cmd;
183

    
184
    for(cmd = cmds; cmd->name != NULL; cmd++) {
185
        if (!name || !strcmp(name, cmd->name))
186
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
187
    }
188
}
189

    
190
static void help_cmd(const char *name)
191
{
192
    if (name && !strcmp(name, "info")) {
193
        help_cmd1(info_cmds, "info ", NULL);
194
    } else {
195
        help_cmd1(term_cmds, "", name);
196
        if (name && !strcmp(name, "log")) {
197
            const CPULogItem *item;
198
            term_printf("Log items (comma separated):\n");
199
            term_printf("%-10s %s\n", "none", "remove all logs");
200
            for(item = cpu_log_items; item->mask != 0; item++) {
201
                term_printf("%-10s %s\n", item->name, item->help);
202
            }
203
        }
204
    }
205
}
206

    
207
static void do_help(const char *name)
208
{
209
    help_cmd(name);
210
}
211

    
212
static void do_commit(const char *device)
213
{
214
    int i, all_devices;
215

    
216
    all_devices = !strcmp(device, "all");
217
    for (i = 0; i < nb_drives; i++) {
218
            if (all_devices ||
219
                !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
220
                bdrv_commit(drives_table[i].bdrv);
221
    }
222
}
223

    
224
static void do_info(const char *item)
225
{
226
    const term_cmd_t *cmd;
227
    void (*handler)(void);
228

    
229
    if (!item)
230
        goto help;
231
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
232
        if (compare_cmd(item, cmd->name))
233
            goto found;
234
    }
235
 help:
236
    help_cmd("info");
237
    return;
238
 found:
239
    handler = cmd->handler;
240
    handler();
241
}
242

    
243
static void do_info_version(void)
244
{
245
  term_printf("%s\n", QEMU_VERSION);
246
}
247

    
248
static void do_info_name(void)
249
{
250
    if (qemu_name)
251
        term_printf("%s\n", qemu_name);
252
}
253

    
254
static void do_info_uuid(void)
255
{
256
    term_printf(UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1], qemu_uuid[2],
257
            qemu_uuid[3], qemu_uuid[4], qemu_uuid[5], qemu_uuid[6],
258
            qemu_uuid[7], qemu_uuid[8], qemu_uuid[9], qemu_uuid[10],
259
            qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], qemu_uuid[14],
260
            qemu_uuid[15]);
261
}
262

    
263
static void do_info_block(void)
264
{
265
    bdrv_info();
266
}
267

    
268
static void do_info_blockstats(void)
269
{
270
    bdrv_info_stats();
271
}
272

    
273
/* get the current CPU defined by the user */
274
static int mon_set_cpu(int cpu_index)
275
{
276
    CPUState *env;
277

    
278
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
279
        if (env->cpu_index == cpu_index) {
280
            mon_cpu = env;
281
            return 0;
282
        }
283
    }
284
    return -1;
285
}
286

    
287
static CPUState *mon_get_cpu(void)
288
{
289
    if (!mon_cpu) {
290
        mon_set_cpu(0);
291
    }
292
    return mon_cpu;
293
}
294

    
295
static void do_info_registers(void)
296
{
297
    CPUState *env;
298
    env = mon_get_cpu();
299
    if (!env)
300
        return;
301
#ifdef TARGET_I386
302
    cpu_dump_state(env, NULL, monitor_fprintf,
303
                   X86_DUMP_FPU);
304
#else
305
    cpu_dump_state(env, NULL, monitor_fprintf,
306
                   0);
307
#endif
308
}
309

    
310
static void do_info_cpus(void)
311
{
312
    CPUState *env;
313

    
314
    /* just to set the default cpu if not already done */
315
    mon_get_cpu();
316

    
317
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
318
        term_printf("%c CPU #%d:",
319
                    (env == mon_cpu) ? '*' : ' ',
320
                    env->cpu_index);
321
#if defined(TARGET_I386)
322
        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
323
#elif defined(TARGET_PPC)
324
        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
325
#elif defined(TARGET_SPARC)
326
        term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
327
#elif defined(TARGET_MIPS)
328
        term_printf(" PC=0x" TARGET_FMT_lx, env->active_tc.PC);
329
#endif
330
        if (env->halted)
331
            term_printf(" (halted)");
332
        term_printf("\n");
333
    }
334
}
335

    
336
static void do_cpu_set(int index)
337
{
338
    if (mon_set_cpu(index) < 0)
339
        term_printf("Invalid CPU index\n");
340
}
341

    
342
static void do_info_jit(void)
343
{
344
    dump_exec_info(NULL, monitor_fprintf);
345
}
346

    
347
static void do_info_history (void)
348
{
349
    int i;
350
    const char *str;
351

    
352
    i = 0;
353
    for(;;) {
354
        str = readline_get_history(i);
355
        if (!str)
356
            break;
357
        term_printf("%d: '%s'\n", i, str);
358
        i++;
359
    }
360
}
361

    
362
#if defined(TARGET_PPC)
363
/* XXX: not implemented in other targets */
364
static void do_info_cpu_stats (void)
365
{
366
    CPUState *env;
367

    
368
    env = mon_get_cpu();
369
    cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
370
}
371
#endif
372

    
373
static void do_quit(void)
374
{
375
    exit(0);
376
}
377

    
378
static int eject_device(BlockDriverState *bs, int force)
379
{
380
    if (bdrv_is_inserted(bs)) {
381
        if (!force) {
382
            if (!bdrv_is_removable(bs)) {
383
                term_printf("device is not removable\n");
384
                return -1;
385
            }
386
            if (bdrv_is_locked(bs)) {
387
                term_printf("device is locked\n");
388
                return -1;
389
            }
390
        }
391
        bdrv_close(bs);
392
    }
393
    return 0;
394
}
395

    
396
static void do_eject(int force, const char *filename)
397
{
398
    BlockDriverState *bs;
399

    
400
    bs = bdrv_find(filename);
401
    if (!bs) {
402
        term_printf("device not found\n");
403
        return;
404
    }
405
    eject_device(bs, force);
406
}
407

    
408
static void do_change_block(const char *device, const char *filename, const char *fmt)
409
{
410
    BlockDriverState *bs;
411
    BlockDriver *drv = NULL;
412

    
413
    bs = bdrv_find(device);
414
    if (!bs) {
415
        term_printf("device not found\n");
416
        return;
417
    }
418
    if (fmt) {
419
        drv = bdrv_find_format(fmt);
420
        if (!drv) {
421
            term_printf("invalid format %s\n", fmt);
422
            return;
423
        }
424
    }
425
    if (eject_device(bs, 0) < 0)
426
        return;
427
    bdrv_open2(bs, filename, 0, drv);
428
    qemu_key_check(bs, filename);
429
}
430

    
431
static void do_change_vnc(const char *target)
432
{
433
    if (strcmp(target, "passwd") == 0 ||
434
        strcmp(target, "password") == 0) {
435
        char password[9];
436
        monitor_readline("Password: ", 1, password, sizeof(password)-1);
437
        password[sizeof(password)-1] = '\0';
438
        if (vnc_display_password(NULL, password) < 0)
439
            term_printf("could not set VNC server password\n");
440
    } else {
441
        if (vnc_display_open(NULL, target) < 0)
442
            term_printf("could not start VNC server on %s\n", target);
443
    }
444
}
445

    
446
static void do_change(const char *device, const char *target, const char *fmt)
447
{
448
    if (strcmp(device, "vnc") == 0) {
449
        do_change_vnc(target);
450
    } else {
451
        do_change_block(device, target, fmt);
452
    }
453
}
454

    
455
static void do_screen_dump(const char *filename)
456
{
457
    vga_hw_screen_dump(filename);
458
}
459

    
460
static void do_logfile(const char *filename)
461
{
462
    cpu_set_log_filename(filename);
463
}
464

    
465
static void do_log(const char *items)
466
{
467
    int mask;
468

    
469
    if (!strcmp(items, "none")) {
470
        mask = 0;
471
    } else {
472
        mask = cpu_str_to_log_mask(items);
473
        if (!mask) {
474
            help_cmd("log");
475
            return;
476
        }
477
    }
478
    cpu_set_log(mask);
479
}
480

    
481
static void do_stop(void)
482
{
483
    vm_stop(EXCP_INTERRUPT);
484
}
485

    
486
static void do_cont(void)
487
{
488
    vm_start();
489
}
490

    
491
#ifdef CONFIG_GDBSTUB
492
static void do_gdbserver(const char *port)
493
{
494
    if (!port)
495
        port = DEFAULT_GDBSTUB_PORT;
496
    if (gdbserver_start(port) < 0) {
497
        qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
498
    } else {
499
        qemu_printf("Waiting gdb connection on port '%s'\n", port);
500
    }
501
}
502
#endif
503

    
504
static void term_printc(int c)
505
{
506
    term_printf("'");
507
    switch(c) {
508
    case '\'':
509
        term_printf("\\'");
510
        break;
511
    case '\\':
512
        term_printf("\\\\");
513
        break;
514
    case '\n':
515
        term_printf("\\n");
516
        break;
517
    case '\r':
518
        term_printf("\\r");
519
        break;
520
    default:
521
        if (c >= 32 && c <= 126) {
522
            term_printf("%c", c);
523
        } else {
524
            term_printf("\\x%02x", c);
525
        }
526
        break;
527
    }
528
    term_printf("'");
529
}
530

    
531
static void memory_dump(int count, int format, int wsize,
532
                        target_phys_addr_t addr, int is_physical)
533
{
534
    CPUState *env;
535
    int nb_per_line, l, line_size, i, max_digits, len;
536
    uint8_t buf[16];
537
    uint64_t v;
538

    
539
    if (format == 'i') {
540
        int flags;
541
        flags = 0;
542
        env = mon_get_cpu();
543
        if (!env && !is_physical)
544
            return;
545
#ifdef TARGET_I386
546
        if (wsize == 2) {
547
            flags = 1;
548
        } else if (wsize == 4) {
549
            flags = 0;
550
        } else {
551
            /* as default we use the current CS size */
552
            flags = 0;
553
            if (env) {
554
#ifdef TARGET_X86_64
555
                if ((env->efer & MSR_EFER_LMA) &&
556
                    (env->segs[R_CS].flags & DESC_L_MASK))
557
                    flags = 2;
558
                else
559
#endif
560
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
561
                    flags = 1;
562
            }
563
        }
564
#endif
565
        monitor_disas(env, addr, count, is_physical, flags);
566
        return;
567
    }
568

    
569
    len = wsize * count;
570
    if (wsize == 1)
571
        line_size = 8;
572
    else
573
        line_size = 16;
574
    nb_per_line = line_size / wsize;
575
    max_digits = 0;
576

    
577
    switch(format) {
578
    case 'o':
579
        max_digits = (wsize * 8 + 2) / 3;
580
        break;
581
    default:
582
    case 'x':
583
        max_digits = (wsize * 8) / 4;
584
        break;
585
    case 'u':
586
    case 'd':
587
        max_digits = (wsize * 8 * 10 + 32) / 33;
588
        break;
589
    case 'c':
590
        wsize = 1;
591
        break;
592
    }
593

    
594
    while (len > 0) {
595
        if (is_physical)
596
            term_printf(TARGET_FMT_plx ":", addr);
597
        else
598
            term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
599
        l = len;
600
        if (l > line_size)
601
            l = line_size;
602
        if (is_physical) {
603
            cpu_physical_memory_rw(addr, buf, l, 0);
604
        } else {
605
            env = mon_get_cpu();
606
            if (!env)
607
                break;
608
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
609
                term_printf(" Cannot access memory\n");
610
                break;
611
            }
612
        }
613
        i = 0;
614
        while (i < l) {
615
            switch(wsize) {
616
            default:
617
            case 1:
618
                v = ldub_raw(buf + i);
619
                break;
620
            case 2:
621
                v = lduw_raw(buf + i);
622
                break;
623
            case 4:
624
                v = (uint32_t)ldl_raw(buf + i);
625
                break;
626
            case 8:
627
                v = ldq_raw(buf + i);
628
                break;
629
            }
630
            term_printf(" ");
631
            switch(format) {
632
            case 'o':
633
                term_printf("%#*" PRIo64, max_digits, v);
634
                break;
635
            case 'x':
636
                term_printf("0x%0*" PRIx64, max_digits, v);
637
                break;
638
            case 'u':
639
                term_printf("%*" PRIu64, max_digits, v);
640
                break;
641
            case 'd':
642
                term_printf("%*" PRId64, max_digits, v);
643
                break;
644
            case 'c':
645
                term_printc(v);
646
                break;
647
            }
648
            i += wsize;
649
        }
650
        term_printf("\n");
651
        addr += l;
652
        len -= l;
653
    }
654
}
655

    
656
#if TARGET_LONG_BITS == 64
657
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
658
#else
659
#define GET_TLONG(h, l) (l)
660
#endif
661

    
662
static void do_memory_dump(int count, int format, int size,
663
                           uint32_t addrh, uint32_t addrl)
664
{
665
    target_long addr = GET_TLONG(addrh, addrl);
666
    memory_dump(count, format, size, addr, 0);
667
}
668

    
669
#if TARGET_PHYS_ADDR_BITS > 32
670
#define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
671
#else
672
#define GET_TPHYSADDR(h, l) (l)
673
#endif
674

    
675
static void do_physical_memory_dump(int count, int format, int size,
676
                                    uint32_t addrh, uint32_t addrl)
677

    
678
{
679
    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
680
    memory_dump(count, format, size, addr, 1);
681
}
682

    
683
static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
684
{
685
    target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
686
#if TARGET_PHYS_ADDR_BITS == 32
687
    switch(format) {
688
    case 'o':
689
        term_printf("%#o", val);
690
        break;
691
    case 'x':
692
        term_printf("%#x", val);
693
        break;
694
    case 'u':
695
        term_printf("%u", val);
696
        break;
697
    default:
698
    case 'd':
699
        term_printf("%d", val);
700
        break;
701
    case 'c':
702
        term_printc(val);
703
        break;
704
    }
705
#else
706
    switch(format) {
707
    case 'o':
708
        term_printf("%#" PRIo64, val);
709
        break;
710
    case 'x':
711
        term_printf("%#" PRIx64, val);
712
        break;
713
    case 'u':
714
        term_printf("%" PRIu64, val);
715
        break;
716
    default:
717
    case 'd':
718
        term_printf("%" PRId64, val);
719
        break;
720
    case 'c':
721
        term_printc(val);
722
        break;
723
    }
724
#endif
725
    term_printf("\n");
726
}
727

    
728
static void do_memory_save(unsigned int valh, unsigned int vall,
729
                           uint32_t size, const char *filename)
730
{
731
    FILE *f;
732
    target_long addr = GET_TLONG(valh, vall);
733
    uint32_t l;
734
    CPUState *env;
735
    uint8_t buf[1024];
736

    
737
    env = mon_get_cpu();
738
    if (!env)
739
        return;
740

    
741
    f = fopen(filename, "wb");
742
    if (!f) {
743
        term_printf("could not open '%s'\n", filename);
744
        return;
745
    }
746
    while (size != 0) {
747
        l = sizeof(buf);
748
        if (l > size)
749
            l = size;
750
        cpu_memory_rw_debug(env, addr, buf, l, 0);
751
        fwrite(buf, 1, l, f);
752
        addr += l;
753
        size -= l;
754
    }
755
    fclose(f);
756
}
757

    
758
static void do_physical_memory_save(unsigned int valh, unsigned int vall,
759
                                    uint32_t size, const char *filename)
760
{
761
    FILE *f;
762
    uint32_t l;
763
    uint8_t buf[1024];
764
    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
765

    
766
    f = fopen(filename, "wb");
767
    if (!f) {
768
        term_printf("could not open '%s'\n", filename);
769
        return;
770
    }
771
    while (size != 0) {
772
        l = sizeof(buf);
773
        if (l > size)
774
            l = size;
775
        cpu_physical_memory_rw(addr, buf, l, 0);
776
        fwrite(buf, 1, l, f);
777
        fflush(f);
778
        addr += l;
779
        size -= l;
780
    }
781
    fclose(f);
782
}
783

    
784
static void do_sum(uint32_t start, uint32_t size)
785
{
786
    uint32_t addr;
787
    uint8_t buf[1];
788
    uint16_t sum;
789

    
790
    sum = 0;
791
    for(addr = start; addr < (start + size); addr++) {
792
        cpu_physical_memory_rw(addr, buf, 1, 0);
793
        /* BSD sum algorithm ('sum' Unix command) */
794
        sum = (sum >> 1) | (sum << 15);
795
        sum += buf[0];
796
    }
797
    term_printf("%05d\n", sum);
798
}
799

    
800
typedef struct {
801
    int keycode;
802
    const char *name;
803
} KeyDef;
804

    
805
static const KeyDef key_defs[] = {
806
    { 0x2a, "shift" },
807
    { 0x36, "shift_r" },
808

    
809
    { 0x38, "alt" },
810
    { 0xb8, "alt_r" },
811
    { 0x64, "altgr" },
812
    { 0xe4, "altgr_r" },
813
    { 0x1d, "ctrl" },
814
    { 0x9d, "ctrl_r" },
815

    
816
    { 0xdd, "menu" },
817

    
818
    { 0x01, "esc" },
819

    
820
    { 0x02, "1" },
821
    { 0x03, "2" },
822
    { 0x04, "3" },
823
    { 0x05, "4" },
824
    { 0x06, "5" },
825
    { 0x07, "6" },
826
    { 0x08, "7" },
827
    { 0x09, "8" },
828
    { 0x0a, "9" },
829
    { 0x0b, "0" },
830
    { 0x0c, "minus" },
831
    { 0x0d, "equal" },
832
    { 0x0e, "backspace" },
833

    
834
    { 0x0f, "tab" },
835
    { 0x10, "q" },
836
    { 0x11, "w" },
837
    { 0x12, "e" },
838
    { 0x13, "r" },
839
    { 0x14, "t" },
840
    { 0x15, "y" },
841
    { 0x16, "u" },
842
    { 0x17, "i" },
843
    { 0x18, "o" },
844
    { 0x19, "p" },
845

    
846
    { 0x1c, "ret" },
847

    
848
    { 0x1e, "a" },
849
    { 0x1f, "s" },
850
    { 0x20, "d" },
851
    { 0x21, "f" },
852
    { 0x22, "g" },
853
    { 0x23, "h" },
854
    { 0x24, "j" },
855
    { 0x25, "k" },
856
    { 0x26, "l" },
857

    
858
    { 0x2c, "z" },
859
    { 0x2d, "x" },
860
    { 0x2e, "c" },
861
    { 0x2f, "v" },
862
    { 0x30, "b" },
863
    { 0x31, "n" },
864
    { 0x32, "m" },
865
    { 0x33, "comma" },
866
    { 0x34, "dot" },
867
    { 0x35, "slash" },
868

    
869
    { 0x37, "asterisk" },
870

    
871
    { 0x39, "spc" },
872
    { 0x3a, "caps_lock" },
873
    { 0x3b, "f1" },
874
    { 0x3c, "f2" },
875
    { 0x3d, "f3" },
876
    { 0x3e, "f4" },
877
    { 0x3f, "f5" },
878
    { 0x40, "f6" },
879
    { 0x41, "f7" },
880
    { 0x42, "f8" },
881
    { 0x43, "f9" },
882
    { 0x44, "f10" },
883
    { 0x45, "num_lock" },
884
    { 0x46, "scroll_lock" },
885

    
886
    { 0xb5, "kp_divide" },
887
    { 0x37, "kp_multiply" },
888
    { 0x4a, "kp_subtract" },
889
    { 0x4e, "kp_add" },
890
    { 0x9c, "kp_enter" },
891
    { 0x53, "kp_decimal" },
892
    { 0x54, "sysrq" },
893

    
894
    { 0x52, "kp_0" },
895
    { 0x4f, "kp_1" },
896
    { 0x50, "kp_2" },
897
    { 0x51, "kp_3" },
898
    { 0x4b, "kp_4" },
899
    { 0x4c, "kp_5" },
900
    { 0x4d, "kp_6" },
901
    { 0x47, "kp_7" },
902
    { 0x48, "kp_8" },
903
    { 0x49, "kp_9" },
904

    
905
    { 0x56, "<" },
906

    
907
    { 0x57, "f11" },
908
    { 0x58, "f12" },
909

    
910
    { 0xb7, "print" },
911

    
912
    { 0xc7, "home" },
913
    { 0xc9, "pgup" },
914
    { 0xd1, "pgdn" },
915
    { 0xcf, "end" },
916

    
917
    { 0xcb, "left" },
918
    { 0xc8, "up" },
919
    { 0xd0, "down" },
920
    { 0xcd, "right" },
921

    
922
    { 0xd2, "insert" },
923
    { 0xd3, "delete" },
924
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
925
    { 0xf0, "stop" },
926
    { 0xf1, "again" },
927
    { 0xf2, "props" },
928
    { 0xf3, "undo" },
929
    { 0xf4, "front" },
930
    { 0xf5, "copy" },
931
    { 0xf6, "open" },
932
    { 0xf7, "paste" },
933
    { 0xf8, "find" },
934
    { 0xf9, "cut" },
935
    { 0xfa, "lf" },
936
    { 0xfb, "help" },
937
    { 0xfc, "meta_l" },
938
    { 0xfd, "meta_r" },
939
    { 0xfe, "compose" },
940
#endif
941
    { 0, NULL },
942
};
943

    
944
static int get_keycode(const char *key)
945
{
946
    const KeyDef *p;
947
    char *endp;
948
    int ret;
949

    
950
    for(p = key_defs; p->name != NULL; p++) {
951
        if (!strcmp(key, p->name))
952
            return p->keycode;
953
    }
954
    if (strstart(key, "0x", NULL)) {
955
        ret = strtoul(key, &endp, 0);
956
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
957
            return ret;
958
    }
959
    return -1;
960
}
961

    
962
#define MAX_KEYCODES 16
963
static uint8_t keycodes[MAX_KEYCODES];
964
static int nb_pending_keycodes;
965
static QEMUTimer *key_timer;
966

    
967
static void release_keys(void *opaque)
968
{
969
    int keycode;
970

    
971
    while (nb_pending_keycodes > 0) {
972
        nb_pending_keycodes--;
973
        keycode = keycodes[nb_pending_keycodes];
974
        if (keycode & 0x80)
975
            kbd_put_keycode(0xe0);
976
        kbd_put_keycode(keycode | 0x80);
977
    }
978
}
979

    
980
static void do_sendkey(const char *string, int has_hold_time, int hold_time)
981
{
982
    char keyname_buf[16];
983
    char *separator;
984
    int keyname_len, keycode, i;
985

    
986
    if (nb_pending_keycodes > 0) {
987
        qemu_del_timer(key_timer);
988
        release_keys(NULL);
989
    }
990
    if (!has_hold_time)
991
        hold_time = 100;
992
    i = 0;
993
    while (1) {
994
        separator = strchr(string, '-');
995
        keyname_len = separator ? separator - string : strlen(string);
996
        if (keyname_len > 0) {
997
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
998
            if (keyname_len > sizeof(keyname_buf) - 1) {
999
                term_printf("invalid key: '%s...'\n", keyname_buf);
1000
                return;
1001
            }
1002
            if (i == MAX_KEYCODES) {
1003
                term_printf("too many keys\n");
1004
                return;
1005
            }
1006
            keyname_buf[keyname_len] = 0;
1007
            keycode = get_keycode(keyname_buf);
1008
            if (keycode < 0) {
1009
                term_printf("unknown key: '%s'\n", keyname_buf);
1010
                return;
1011
            }
1012
            keycodes[i++] = keycode;
1013
        }
1014
        if (!separator)
1015
            break;
1016
        string = separator + 1;
1017
    }
1018
    nb_pending_keycodes = i;
1019
    /* key down events */
1020
    for (i = 0; i < nb_pending_keycodes; i++) {
1021
        keycode = keycodes[i];
1022
        if (keycode & 0x80)
1023
            kbd_put_keycode(0xe0);
1024
        kbd_put_keycode(keycode & 0x7f);
1025
    }
1026
    /* delayed key up events */
1027
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1028
                    muldiv64(ticks_per_sec, hold_time, 1000));
1029
}
1030

    
1031
static int mouse_button_state;
1032

    
1033
static void do_mouse_move(const char *dx_str, const char *dy_str,
1034
                          const char *dz_str)
1035
{
1036
    int dx, dy, dz;
1037
    dx = strtol(dx_str, NULL, 0);
1038
    dy = strtol(dy_str, NULL, 0);
1039
    dz = 0;
1040
    if (dz_str)
1041
        dz = strtol(dz_str, NULL, 0);
1042
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
1043
}
1044

    
1045
static void do_mouse_button(int button_state)
1046
{
1047
    mouse_button_state = button_state;
1048
    kbd_mouse_event(0, 0, 0, mouse_button_state);
1049
}
1050

    
1051
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
1052
{
1053
    uint32_t val;
1054
    int suffix;
1055

    
1056
    if (has_index) {
1057
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
1058
        addr++;
1059
    }
1060
    addr &= 0xffff;
1061

    
1062
    switch(size) {
1063
    default:
1064
    case 1:
1065
        val = cpu_inb(NULL, addr);
1066
        suffix = 'b';
1067
        break;
1068
    case 2:
1069
        val = cpu_inw(NULL, addr);
1070
        suffix = 'w';
1071
        break;
1072
    case 4:
1073
        val = cpu_inl(NULL, addr);
1074
        suffix = 'l';
1075
        break;
1076
    }
1077
    term_printf("port%c[0x%04x] = %#0*x\n",
1078
                suffix, addr, size * 2, val);
1079
}
1080

    
1081
/* boot_set handler */
1082
static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
1083
static void *boot_opaque;
1084

    
1085
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1086
{
1087
    qemu_boot_set_handler = func;
1088
    boot_opaque = opaque;
1089
}
1090

    
1091
static void do_boot_set(const char *bootdevice)
1092
{
1093
    int res;
1094

    
1095
    if (qemu_boot_set_handler)  {
1096
        res = qemu_boot_set_handler(boot_opaque, bootdevice);
1097
        if (res == 0)
1098
            term_printf("boot device list now set to %s\n", bootdevice);
1099
        else
1100
            term_printf("setting boot device list failed with error %i\n", res);
1101
    } else {
1102
        term_printf("no function defined to set boot device list for this architecture\n");
1103
    }
1104
}
1105

    
1106
static void do_system_reset(void)
1107
{
1108
    qemu_system_reset_request();
1109
}
1110

    
1111
static void do_system_powerdown(void)
1112
{
1113
    qemu_system_powerdown_request();
1114
}
1115

    
1116
#if defined(TARGET_I386)
1117
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1118
{
1119
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1120
                addr,
1121
                pte & mask,
1122
                pte & PG_GLOBAL_MASK ? 'G' : '-',
1123
                pte & PG_PSE_MASK ? 'P' : '-',
1124
                pte & PG_DIRTY_MASK ? 'D' : '-',
1125
                pte & PG_ACCESSED_MASK ? 'A' : '-',
1126
                pte & PG_PCD_MASK ? 'C' : '-',
1127
                pte & PG_PWT_MASK ? 'T' : '-',
1128
                pte & PG_USER_MASK ? 'U' : '-',
1129
                pte & PG_RW_MASK ? 'W' : '-');
1130
}
1131

    
1132
static void tlb_info(void)
1133
{
1134
    CPUState *env;
1135
    int l1, l2;
1136
    uint32_t pgd, pde, pte;
1137

    
1138
    env = mon_get_cpu();
1139
    if (!env)
1140
        return;
1141

    
1142
    if (!(env->cr[0] & CR0_PG_MASK)) {
1143
        term_printf("PG disabled\n");
1144
        return;
1145
    }
1146
    pgd = env->cr[3] & ~0xfff;
1147
    for(l1 = 0; l1 < 1024; l1++) {
1148
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1149
        pde = le32_to_cpu(pde);
1150
        if (pde & PG_PRESENT_MASK) {
1151
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1152
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1153
            } else {
1154
                for(l2 = 0; l2 < 1024; l2++) {
1155
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1156
                                             (uint8_t *)&pte, 4);
1157
                    pte = le32_to_cpu(pte);
1158
                    if (pte & PG_PRESENT_MASK) {
1159
                        print_pte((l1 << 22) + (l2 << 12),
1160
                                  pte & ~PG_PSE_MASK,
1161
                                  ~0xfff);
1162
                    }
1163
                }
1164
            }
1165
        }
1166
    }
1167
}
1168

    
1169
static void mem_print(uint32_t *pstart, int *plast_prot,
1170
                      uint32_t end, int prot)
1171
{
1172
    int prot1;
1173
    prot1 = *plast_prot;
1174
    if (prot != prot1) {
1175
        if (*pstart != -1) {
1176
            term_printf("%08x-%08x %08x %c%c%c\n",
1177
                        *pstart, end, end - *pstart,
1178
                        prot1 & PG_USER_MASK ? 'u' : '-',
1179
                        'r',
1180
                        prot1 & PG_RW_MASK ? 'w' : '-');
1181
        }
1182
        if (prot != 0)
1183
            *pstart = end;
1184
        else
1185
            *pstart = -1;
1186
        *plast_prot = prot;
1187
    }
1188
}
1189

    
1190
static void mem_info(void)
1191
{
1192
    CPUState *env;
1193
    int l1, l2, prot, last_prot;
1194
    uint32_t pgd, pde, pte, start, end;
1195

    
1196
    env = mon_get_cpu();
1197
    if (!env)
1198
        return;
1199

    
1200
    if (!(env->cr[0] & CR0_PG_MASK)) {
1201
        term_printf("PG disabled\n");
1202
        return;
1203
    }
1204
    pgd = env->cr[3] & ~0xfff;
1205
    last_prot = 0;
1206
    start = -1;
1207
    for(l1 = 0; l1 < 1024; l1++) {
1208
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1209
        pde = le32_to_cpu(pde);
1210
        end = l1 << 22;
1211
        if (pde & PG_PRESENT_MASK) {
1212
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1213
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1214
                mem_print(&start, &last_prot, end, prot);
1215
            } else {
1216
                for(l2 = 0; l2 < 1024; l2++) {
1217
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1218
                                             (uint8_t *)&pte, 4);
1219
                    pte = le32_to_cpu(pte);
1220
                    end = (l1 << 22) + (l2 << 12);
1221
                    if (pte & PG_PRESENT_MASK) {
1222
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1223
                    } else {
1224
                        prot = 0;
1225
                    }
1226
                    mem_print(&start, &last_prot, end, prot);
1227
                }
1228
            }
1229
        } else {
1230
            prot = 0;
1231
            mem_print(&start, &last_prot, end, prot);
1232
        }
1233
    }
1234
}
1235
#endif
1236

    
1237
static void do_info_kqemu(void)
1238
{
1239
#ifdef USE_KQEMU
1240
    CPUState *env;
1241
    int val;
1242
    val = 0;
1243
    env = mon_get_cpu();
1244
    if (!env) {
1245
        term_printf("No cpu initialized yet");
1246
        return;
1247
    }
1248
    val = env->kqemu_enabled;
1249
    term_printf("kqemu support: ");
1250
    switch(val) {
1251
    default:
1252
    case 0:
1253
        term_printf("disabled\n");
1254
        break;
1255
    case 1:
1256
        term_printf("enabled for user code\n");
1257
        break;
1258
    case 2:
1259
        term_printf("enabled for user and kernel code\n");
1260
        break;
1261
    }
1262
#else
1263
    term_printf("kqemu support: not compiled\n");
1264
#endif
1265
}
1266

    
1267
static void do_info_kvm(void)
1268
{
1269
#ifdef CONFIG_KVM
1270
    term_printf("kvm support: ");
1271
    if (kvm_enabled())
1272
        term_printf("enabled\n");
1273
    else
1274
        term_printf("disabled\n");
1275
#else
1276
    term_printf("kvm support: not compiled\n");
1277
#endif
1278
}
1279

    
1280
#ifdef CONFIG_PROFILER
1281

    
1282
int64_t kqemu_time;
1283
int64_t qemu_time;
1284
int64_t kqemu_exec_count;
1285
int64_t dev_time;
1286
int64_t kqemu_ret_int_count;
1287
int64_t kqemu_ret_excp_count;
1288
int64_t kqemu_ret_intr_count;
1289

    
1290
static void do_info_profile(void)
1291
{
1292
    int64_t total;
1293
    total = qemu_time;
1294
    if (total == 0)
1295
        total = 1;
1296
    term_printf("async time  %" PRId64 " (%0.3f)\n",
1297
                dev_time, dev_time / (double)ticks_per_sec);
1298
    term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1299
                qemu_time, qemu_time / (double)ticks_per_sec);
1300
    term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1301
                kqemu_time, kqemu_time / (double)ticks_per_sec,
1302
                kqemu_time / (double)total * 100.0,
1303
                kqemu_exec_count,
1304
                kqemu_ret_int_count,
1305
                kqemu_ret_excp_count,
1306
                kqemu_ret_intr_count);
1307
    qemu_time = 0;
1308
    kqemu_time = 0;
1309
    kqemu_exec_count = 0;
1310
    dev_time = 0;
1311
    kqemu_ret_int_count = 0;
1312
    kqemu_ret_excp_count = 0;
1313
    kqemu_ret_intr_count = 0;
1314
#ifdef USE_KQEMU
1315
    kqemu_record_dump();
1316
#endif
1317
}
1318
#else
1319
static void do_info_profile(void)
1320
{
1321
    term_printf("Internal profiler not compiled\n");
1322
}
1323
#endif
1324

    
1325
/* Capture support */
1326
static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1327

    
1328
static void do_info_capture (void)
1329
{
1330
    int i;
1331
    CaptureState *s;
1332

    
1333
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1334
        term_printf ("[%d]: ", i);
1335
        s->ops.info (s->opaque);
1336
    }
1337
}
1338

    
1339
static void do_stop_capture (int n)
1340
{
1341
    int i;
1342
    CaptureState *s;
1343

    
1344
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1345
        if (i == n) {
1346
            s->ops.destroy (s->opaque);
1347
            LIST_REMOVE (s, entries);
1348
            qemu_free (s);
1349
            return;
1350
        }
1351
    }
1352
}
1353

    
1354
#ifdef HAS_AUDIO
1355
static void do_wav_capture (const char *path,
1356
                            int has_freq, int freq,
1357
                            int has_bits, int bits,
1358
                            int has_channels, int nchannels)
1359
{
1360
    CaptureState *s;
1361

    
1362
    s = qemu_mallocz (sizeof (*s));
1363
    if (!s) {
1364
        term_printf ("Not enough memory to add wave capture\n");
1365
        return;
1366
    }
1367

    
1368
    freq = has_freq ? freq : 44100;
1369
    bits = has_bits ? bits : 16;
1370
    nchannels = has_channels ? nchannels : 2;
1371

    
1372
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1373
        term_printf ("Faied to add wave capture\n");
1374
        qemu_free (s);
1375
    }
1376
    LIST_INSERT_HEAD (&capture_head, s, entries);
1377
}
1378
#endif
1379

    
1380
#if defined(TARGET_I386)
1381
static void do_inject_nmi(int cpu_index)
1382
{
1383
    CPUState *env;
1384

    
1385
    for (env = first_cpu; env != NULL; env = env->next_cpu)
1386
        if (env->cpu_index == cpu_index) {
1387
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
1388
            break;
1389
        }
1390
}
1391
#endif
1392

    
1393
static const term_cmd_t term_cmds[] = {
1394
    { "help|?", "s?", do_help,
1395
      "[cmd]", "show the help" },
1396
    { "commit", "s", do_commit,
1397
      "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1398
    { "info", "s?", do_info,
1399
      "subcommand", "show various information about the system state" },
1400
    { "q|quit", "", do_quit,
1401
      "", "quit the emulator" },
1402
    { "eject", "-fB", do_eject,
1403
      "[-f] device", "eject a removable medium (use -f to force it)" },
1404
    { "change", "BFs?", do_change,
1405
      "device filename [format]", "change a removable medium, optional format" },
1406
    { "screendump", "F", do_screen_dump,
1407
      "filename", "save screen into PPM image 'filename'" },
1408
    { "logfile", "F", do_logfile,
1409
      "filename", "output logs to 'filename'" },
1410
    { "log", "s", do_log,
1411
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1412
    { "savevm", "s?", do_savevm,
1413
      "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1414
    { "loadvm", "s", do_loadvm,
1415
      "tag|id", "restore a VM snapshot from its tag or id" },
1416
    { "delvm", "s", do_delvm,
1417
      "tag|id", "delete a VM snapshot from its tag or id" },
1418
    { "stop", "", do_stop,
1419
      "", "stop emulation", },
1420
    { "c|cont", "", do_cont,
1421
      "", "resume emulation", },
1422
#ifdef CONFIG_GDBSTUB
1423
    { "gdbserver", "s?", do_gdbserver,
1424
      "[port]", "start gdbserver session (default port=1234)", },
1425
#endif
1426
    { "x", "/l", do_memory_dump,
1427
      "/fmt addr", "virtual memory dump starting at 'addr'", },
1428
    { "xp", "/l", do_physical_memory_dump,
1429
      "/fmt addr", "physical memory dump starting at 'addr'", },
1430
    { "p|print", "/l", do_print,
1431
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
1432
    { "i", "/ii.", do_ioport_read,
1433
      "/fmt addr", "I/O port read" },
1434

    
1435
    { "sendkey", "si?", do_sendkey,
1436
      "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
1437
    { "system_reset", "", do_system_reset,
1438
      "", "reset the system" },
1439
    { "system_powerdown", "", do_system_powerdown,
1440
      "", "send system power down event" },
1441
    { "sum", "ii", do_sum,
1442
      "addr size", "compute the checksum of a memory region" },
1443
    { "usb_add", "s", do_usb_add,
1444
      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1445
    { "usb_del", "s", do_usb_del,
1446
      "device", "remove USB device 'bus.addr'" },
1447
    { "cpu", "i", do_cpu_set,
1448
      "index", "set the default CPU" },
1449
    { "mouse_move", "sss?", do_mouse_move,
1450
      "dx dy [dz]", "send mouse move events" },
1451
    { "mouse_button", "i", do_mouse_button,
1452
      "state", "change mouse button state (1=L, 2=M, 4=R)" },
1453
    { "mouse_set", "i", do_mouse_set,
1454
      "index", "set which mouse device receives events" },
1455
#ifdef HAS_AUDIO
1456
    { "wavcapture", "si?i?i?", do_wav_capture,
1457
      "path [frequency bits channels]",
1458
      "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1459
#endif
1460
     { "stopcapture", "i", do_stop_capture,
1461
       "capture index", "stop capture" },
1462
    { "memsave", "lis", do_memory_save,
1463
      "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1464
    { "pmemsave", "lis", do_physical_memory_save,
1465
      "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1466
    { "boot_set", "s", do_boot_set,
1467
      "bootdevice", "define new values for the boot device list" },
1468
#if defined(TARGET_I386)
1469
    { "nmi", "i", do_inject_nmi,
1470
      "cpu", "inject an NMI on the given CPU", },
1471
#endif
1472
    { "migrate", "-ds", do_migrate,
1473
      "[-d] uri", "migrate to URI (using -d to not wait for completion)" },
1474
    { "migrate_cancel", "", do_migrate_cancel,
1475
      "", "cancel the current VM migration" },
1476
    { "migrate_set_speed", "s", do_migrate_set_speed,
1477
      "value", "set maximum speed (in bytes) for migrations" },
1478
    { NULL, NULL, },
1479
};
1480

    
1481
static const term_cmd_t info_cmds[] = {
1482
    { "version", "", do_info_version,
1483
      "", "show the version of qemu" },
1484
    { "network", "", do_info_network,
1485
      "", "show the network state" },
1486
    { "chardev", "", qemu_chr_info,
1487
      "", "show the character devices" },
1488
    { "block", "", do_info_block,
1489
      "", "show the block devices" },
1490
    { "blockstats", "", do_info_blockstats,
1491
      "", "show block device statistics" },
1492
    { "registers", "", do_info_registers,
1493
      "", "show the cpu registers" },
1494
    { "cpus", "", do_info_cpus,
1495
      "", "show infos for each CPU" },
1496
    { "history", "", do_info_history,
1497
      "", "show the command line history", },
1498
    { "irq", "", irq_info,
1499
      "", "show the interrupts statistics (if available)", },
1500
    { "pic", "", pic_info,
1501
      "", "show i8259 (PIC) state", },
1502
    { "pci", "", pci_info,
1503
      "", "show PCI info", },
1504
#if defined(TARGET_I386)
1505
    { "tlb", "", tlb_info,
1506
      "", "show virtual to physical memory mappings", },
1507
    { "mem", "", mem_info,
1508
      "", "show the active virtual memory mappings", },
1509
#endif
1510
    { "jit", "", do_info_jit,
1511
      "", "show dynamic compiler info", },
1512
    { "kqemu", "", do_info_kqemu,
1513
      "", "show kqemu information", },
1514
    { "kvm", "", do_info_kvm,
1515
      "", "show kvm information", },
1516
    { "usb", "", usb_info,
1517
      "", "show guest USB devices", },
1518
    { "usbhost", "", usb_host_info,
1519
      "", "show host USB devices", },
1520
    { "profile", "", do_info_profile,
1521
      "", "show profiling information", },
1522
    { "capture", "", do_info_capture,
1523
      "", "show capture information" },
1524
    { "snapshots", "", do_info_snapshots,
1525
      "", "show the currently saved VM snapshots" },
1526
    { "pcmcia", "", pcmcia_info,
1527
      "", "show guest PCMCIA status" },
1528
    { "mice", "", do_info_mice,
1529
      "", "show which guest mouse is receiving events" },
1530
    { "vnc", "", do_info_vnc,
1531
      "", "show the vnc server status"},
1532
    { "name", "", do_info_name,
1533
      "", "show the current VM name" },
1534
    { "uuid", "", do_info_uuid,
1535
      "", "show the current VM UUID" },
1536
#if defined(TARGET_PPC)
1537
    { "cpustats", "", do_info_cpu_stats,
1538
      "", "show CPU statistics", },
1539
#endif
1540
#if defined(CONFIG_SLIRP)
1541
    { "slirp", "", do_info_slirp,
1542
      "", "show SLIRP statistics", },
1543
#endif
1544
    { "migrate", "", do_info_migrate, "", "show migration status" },
1545
    { NULL, NULL, },
1546
};
1547

    
1548
/*******************************************************************/
1549

    
1550
static const char *pch;
1551
static jmp_buf expr_env;
1552

    
1553
#define MD_TLONG 0
1554
#define MD_I32   1
1555

    
1556
typedef struct MonitorDef {
1557
    const char *name;
1558
    int offset;
1559
    target_long (*get_value)(const struct MonitorDef *md, int val);
1560
    int type;
1561
} MonitorDef;
1562

    
1563
#if defined(TARGET_I386)
1564
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
1565
{
1566
    CPUState *env = mon_get_cpu();
1567
    if (!env)
1568
        return 0;
1569
    return env->eip + env->segs[R_CS].base;
1570
}
1571
#endif
1572

    
1573
#if defined(TARGET_PPC)
1574
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
1575
{
1576
    CPUState *env = mon_get_cpu();
1577
    unsigned int u;
1578
    int i;
1579

    
1580
    if (!env)
1581
        return 0;
1582

    
1583
    u = 0;
1584
    for (i = 0; i < 8; i++)
1585
        u |= env->crf[i] << (32 - (4 * i));
1586

    
1587
    return u;
1588
}
1589

    
1590
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
1591
{
1592
    CPUState *env = mon_get_cpu();
1593
    if (!env)
1594
        return 0;
1595
    return env->msr;
1596
}
1597

    
1598
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
1599
{
1600
    CPUState *env = mon_get_cpu();
1601
    if (!env)
1602
        return 0;
1603
    return env->xer;
1604
}
1605

    
1606
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
1607
{
1608
    CPUState *env = mon_get_cpu();
1609
    if (!env)
1610
        return 0;
1611
    return cpu_ppc_load_decr(env);
1612
}
1613

    
1614
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
1615
{
1616
    CPUState *env = mon_get_cpu();
1617
    if (!env)
1618
        return 0;
1619
    return cpu_ppc_load_tbu(env);
1620
}
1621

    
1622
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
1623
{
1624
    CPUState *env = mon_get_cpu();
1625
    if (!env)
1626
        return 0;
1627
    return cpu_ppc_load_tbl(env);
1628
}
1629
#endif
1630

    
1631
#if defined(TARGET_SPARC)
1632
#ifndef TARGET_SPARC64
1633
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
1634
{
1635
    CPUState *env = mon_get_cpu();
1636
    if (!env)
1637
        return 0;
1638
    return GET_PSR(env);
1639
}
1640
#endif
1641

    
1642
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
1643
{
1644
    CPUState *env = mon_get_cpu();
1645
    if (!env)
1646
        return 0;
1647
    return env->regwptr[val];
1648
}
1649
#endif
1650

    
1651
static const MonitorDef monitor_defs[] = {
1652
#ifdef TARGET_I386
1653

    
1654
#define SEG(name, seg) \
1655
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1656
    { name ".base", offsetof(CPUState, segs[seg].base) },\
1657
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1658

    
1659
    { "eax", offsetof(CPUState, regs[0]) },
1660
    { "ecx", offsetof(CPUState, regs[1]) },
1661
    { "edx", offsetof(CPUState, regs[2]) },
1662
    { "ebx", offsetof(CPUState, regs[3]) },
1663
    { "esp|sp", offsetof(CPUState, regs[4]) },
1664
    { "ebp|fp", offsetof(CPUState, regs[5]) },
1665
    { "esi", offsetof(CPUState, regs[6]) },
1666
    { "edi", offsetof(CPUState, regs[7]) },
1667
#ifdef TARGET_X86_64
1668
    { "r8", offsetof(CPUState, regs[8]) },
1669
    { "r9", offsetof(CPUState, regs[9]) },
1670
    { "r10", offsetof(CPUState, regs[10]) },
1671
    { "r11", offsetof(CPUState, regs[11]) },
1672
    { "r12", offsetof(CPUState, regs[12]) },
1673
    { "r13", offsetof(CPUState, regs[13]) },
1674
    { "r14", offsetof(CPUState, regs[14]) },
1675
    { "r15", offsetof(CPUState, regs[15]) },
1676
#endif
1677
    { "eflags", offsetof(CPUState, eflags) },
1678
    { "eip", offsetof(CPUState, eip) },
1679
    SEG("cs", R_CS)
1680
    SEG("ds", R_DS)
1681
    SEG("es", R_ES)
1682
    SEG("ss", R_SS)
1683
    SEG("fs", R_FS)
1684
    SEG("gs", R_GS)
1685
    { "pc", 0, monitor_get_pc, },
1686
#elif defined(TARGET_PPC)
1687
    /* General purpose registers */
1688
    { "r0", offsetof(CPUState, gpr[0]) },
1689
    { "r1", offsetof(CPUState, gpr[1]) },
1690
    { "r2", offsetof(CPUState, gpr[2]) },
1691
    { "r3", offsetof(CPUState, gpr[3]) },
1692
    { "r4", offsetof(CPUState, gpr[4]) },
1693
    { "r5", offsetof(CPUState, gpr[5]) },
1694
    { "r6", offsetof(CPUState, gpr[6]) },
1695
    { "r7", offsetof(CPUState, gpr[7]) },
1696
    { "r8", offsetof(CPUState, gpr[8]) },
1697
    { "r9", offsetof(CPUState, gpr[9]) },
1698
    { "r10", offsetof(CPUState, gpr[10]) },
1699
    { "r11", offsetof(CPUState, gpr[11]) },
1700
    { "r12", offsetof(CPUState, gpr[12]) },
1701
    { "r13", offsetof(CPUState, gpr[13]) },
1702
    { "r14", offsetof(CPUState, gpr[14]) },
1703
    { "r15", offsetof(CPUState, gpr[15]) },
1704
    { "r16", offsetof(CPUState, gpr[16]) },
1705
    { "r17", offsetof(CPUState, gpr[17]) },
1706
    { "r18", offsetof(CPUState, gpr[18]) },
1707
    { "r19", offsetof(CPUState, gpr[19]) },
1708
    { "r20", offsetof(CPUState, gpr[20]) },
1709
    { "r21", offsetof(CPUState, gpr[21]) },
1710
    { "r22", offsetof(CPUState, gpr[22]) },
1711
    { "r23", offsetof(CPUState, gpr[23]) },
1712
    { "r24", offsetof(CPUState, gpr[24]) },
1713
    { "r25", offsetof(CPUState, gpr[25]) },
1714
    { "r26", offsetof(CPUState, gpr[26]) },
1715
    { "r27", offsetof(CPUState, gpr[27]) },
1716
    { "r28", offsetof(CPUState, gpr[28]) },
1717
    { "r29", offsetof(CPUState, gpr[29]) },
1718
    { "r30", offsetof(CPUState, gpr[30]) },
1719
    { "r31", offsetof(CPUState, gpr[31]) },
1720
    /* Floating point registers */
1721
    { "f0", offsetof(CPUState, fpr[0]) },
1722
    { "f1", offsetof(CPUState, fpr[1]) },
1723
    { "f2", offsetof(CPUState, fpr[2]) },
1724
    { "f3", offsetof(CPUState, fpr[3]) },
1725
    { "f4", offsetof(CPUState, fpr[4]) },
1726
    { "f5", offsetof(CPUState, fpr[5]) },
1727
    { "f6", offsetof(CPUState, fpr[6]) },
1728
    { "f7", offsetof(CPUState, fpr[7]) },
1729
    { "f8", offsetof(CPUState, fpr[8]) },
1730
    { "f9", offsetof(CPUState, fpr[9]) },
1731
    { "f10", offsetof(CPUState, fpr[10]) },
1732
    { "f11", offsetof(CPUState, fpr[11]) },
1733
    { "f12", offsetof(CPUState, fpr[12]) },
1734
    { "f13", offsetof(CPUState, fpr[13]) },
1735
    { "f14", offsetof(CPUState, fpr[14]) },
1736
    { "f15", offsetof(CPUState, fpr[15]) },
1737
    { "f16", offsetof(CPUState, fpr[16]) },
1738
    { "f17", offsetof(CPUState, fpr[17]) },
1739
    { "f18", offsetof(CPUState, fpr[18]) },
1740
    { "f19", offsetof(CPUState, fpr[19]) },
1741
    { "f20", offsetof(CPUState, fpr[20]) },
1742
    { "f21", offsetof(CPUState, fpr[21]) },
1743
    { "f22", offsetof(CPUState, fpr[22]) },
1744
    { "f23", offsetof(CPUState, fpr[23]) },
1745
    { "f24", offsetof(CPUState, fpr[24]) },
1746
    { "f25", offsetof(CPUState, fpr[25]) },
1747
    { "f26", offsetof(CPUState, fpr[26]) },
1748
    { "f27", offsetof(CPUState, fpr[27]) },
1749
    { "f28", offsetof(CPUState, fpr[28]) },
1750
    { "f29", offsetof(CPUState, fpr[29]) },
1751
    { "f30", offsetof(CPUState, fpr[30]) },
1752
    { "f31", offsetof(CPUState, fpr[31]) },
1753
    { "fpscr", offsetof(CPUState, fpscr) },
1754
    /* Next instruction pointer */
1755
    { "nip|pc", offsetof(CPUState, nip) },
1756
    { "lr", offsetof(CPUState, lr) },
1757
    { "ctr", offsetof(CPUState, ctr) },
1758
    { "decr", 0, &monitor_get_decr, },
1759
    { "ccr", 0, &monitor_get_ccr, },
1760
    /* Machine state register */
1761
    { "msr", 0, &monitor_get_msr, },
1762
    { "xer", 0, &monitor_get_xer, },
1763
    { "tbu", 0, &monitor_get_tbu, },
1764
    { "tbl", 0, &monitor_get_tbl, },
1765
#if defined(TARGET_PPC64)
1766
    /* Address space register */
1767
    { "asr", offsetof(CPUState, asr) },
1768
#endif
1769
    /* Segment registers */
1770
    { "sdr1", offsetof(CPUState, sdr1) },
1771
    { "sr0", offsetof(CPUState, sr[0]) },
1772
    { "sr1", offsetof(CPUState, sr[1]) },
1773
    { "sr2", offsetof(CPUState, sr[2]) },
1774
    { "sr3", offsetof(CPUState, sr[3]) },
1775
    { "sr4", offsetof(CPUState, sr[4]) },
1776
    { "sr5", offsetof(CPUState, sr[5]) },
1777
    { "sr6", offsetof(CPUState, sr[6]) },
1778
    { "sr7", offsetof(CPUState, sr[7]) },
1779
    { "sr8", offsetof(CPUState, sr[8]) },
1780
    { "sr9", offsetof(CPUState, sr[9]) },
1781
    { "sr10", offsetof(CPUState, sr[10]) },
1782
    { "sr11", offsetof(CPUState, sr[11]) },
1783
    { "sr12", offsetof(CPUState, sr[12]) },
1784
    { "sr13", offsetof(CPUState, sr[13]) },
1785
    { "sr14", offsetof(CPUState, sr[14]) },
1786
    { "sr15", offsetof(CPUState, sr[15]) },
1787
    /* Too lazy to put BATs and SPRs ... */
1788
#elif defined(TARGET_SPARC)
1789
    { "g0", offsetof(CPUState, gregs[0]) },
1790
    { "g1", offsetof(CPUState, gregs[1]) },
1791
    { "g2", offsetof(CPUState, gregs[2]) },
1792
    { "g3", offsetof(CPUState, gregs[3]) },
1793
    { "g4", offsetof(CPUState, gregs[4]) },
1794
    { "g5", offsetof(CPUState, gregs[5]) },
1795
    { "g6", offsetof(CPUState, gregs[6]) },
1796
    { "g7", offsetof(CPUState, gregs[7]) },
1797
    { "o0", 0, monitor_get_reg },
1798
    { "o1", 1, monitor_get_reg },
1799
    { "o2", 2, monitor_get_reg },
1800
    { "o3", 3, monitor_get_reg },
1801
    { "o4", 4, monitor_get_reg },
1802
    { "o5", 5, monitor_get_reg },
1803
    { "o6", 6, monitor_get_reg },
1804
    { "o7", 7, monitor_get_reg },
1805
    { "l0", 8, monitor_get_reg },
1806
    { "l1", 9, monitor_get_reg },
1807
    { "l2", 10, monitor_get_reg },
1808
    { "l3", 11, monitor_get_reg },
1809
    { "l4", 12, monitor_get_reg },
1810
    { "l5", 13, monitor_get_reg },
1811
    { "l6", 14, monitor_get_reg },
1812
    { "l7", 15, monitor_get_reg },
1813
    { "i0", 16, monitor_get_reg },
1814
    { "i1", 17, monitor_get_reg },
1815
    { "i2", 18, monitor_get_reg },
1816
    { "i3", 19, monitor_get_reg },
1817
    { "i4", 20, monitor_get_reg },
1818
    { "i5", 21, monitor_get_reg },
1819
    { "i6", 22, monitor_get_reg },
1820
    { "i7", 23, monitor_get_reg },
1821
    { "pc", offsetof(CPUState, pc) },
1822
    { "npc", offsetof(CPUState, npc) },
1823
    { "y", offsetof(CPUState, y) },
1824
#ifndef TARGET_SPARC64
1825
    { "psr", 0, &monitor_get_psr, },
1826
    { "wim", offsetof(CPUState, wim) },
1827
#endif
1828
    { "tbr", offsetof(CPUState, tbr) },
1829
    { "fsr", offsetof(CPUState, fsr) },
1830
    { "f0", offsetof(CPUState, fpr[0]) },
1831
    { "f1", offsetof(CPUState, fpr[1]) },
1832
    { "f2", offsetof(CPUState, fpr[2]) },
1833
    { "f3", offsetof(CPUState, fpr[3]) },
1834
    { "f4", offsetof(CPUState, fpr[4]) },
1835
    { "f5", offsetof(CPUState, fpr[5]) },
1836
    { "f6", offsetof(CPUState, fpr[6]) },
1837
    { "f7", offsetof(CPUState, fpr[7]) },
1838
    { "f8", offsetof(CPUState, fpr[8]) },
1839
    { "f9", offsetof(CPUState, fpr[9]) },
1840
    { "f10", offsetof(CPUState, fpr[10]) },
1841
    { "f11", offsetof(CPUState, fpr[11]) },
1842
    { "f12", offsetof(CPUState, fpr[12]) },
1843
    { "f13", offsetof(CPUState, fpr[13]) },
1844
    { "f14", offsetof(CPUState, fpr[14]) },
1845
    { "f15", offsetof(CPUState, fpr[15]) },
1846
    { "f16", offsetof(CPUState, fpr[16]) },
1847
    { "f17", offsetof(CPUState, fpr[17]) },
1848
    { "f18", offsetof(CPUState, fpr[18]) },
1849
    { "f19", offsetof(CPUState, fpr[19]) },
1850
    { "f20", offsetof(CPUState, fpr[20]) },
1851
    { "f21", offsetof(CPUState, fpr[21]) },
1852
    { "f22", offsetof(CPUState, fpr[22]) },
1853
    { "f23", offsetof(CPUState, fpr[23]) },
1854
    { "f24", offsetof(CPUState, fpr[24]) },
1855
    { "f25", offsetof(CPUState, fpr[25]) },
1856
    { "f26", offsetof(CPUState, fpr[26]) },
1857
    { "f27", offsetof(CPUState, fpr[27]) },
1858
    { "f28", offsetof(CPUState, fpr[28]) },
1859
    { "f29", offsetof(CPUState, fpr[29]) },
1860
    { "f30", offsetof(CPUState, fpr[30]) },
1861
    { "f31", offsetof(CPUState, fpr[31]) },
1862
#ifdef TARGET_SPARC64
1863
    { "f32", offsetof(CPUState, fpr[32]) },
1864
    { "f34", offsetof(CPUState, fpr[34]) },
1865
    { "f36", offsetof(CPUState, fpr[36]) },
1866
    { "f38", offsetof(CPUState, fpr[38]) },
1867
    { "f40", offsetof(CPUState, fpr[40]) },
1868
    { "f42", offsetof(CPUState, fpr[42]) },
1869
    { "f44", offsetof(CPUState, fpr[44]) },
1870
    { "f46", offsetof(CPUState, fpr[46]) },
1871
    { "f48", offsetof(CPUState, fpr[48]) },
1872
    { "f50", offsetof(CPUState, fpr[50]) },
1873
    { "f52", offsetof(CPUState, fpr[52]) },
1874
    { "f54", offsetof(CPUState, fpr[54]) },
1875
    { "f56", offsetof(CPUState, fpr[56]) },
1876
    { "f58", offsetof(CPUState, fpr[58]) },
1877
    { "f60", offsetof(CPUState, fpr[60]) },
1878
    { "f62", offsetof(CPUState, fpr[62]) },
1879
    { "asi", offsetof(CPUState, asi) },
1880
    { "pstate", offsetof(CPUState, pstate) },
1881
    { "cansave", offsetof(CPUState, cansave) },
1882
    { "canrestore", offsetof(CPUState, canrestore) },
1883
    { "otherwin", offsetof(CPUState, otherwin) },
1884
    { "wstate", offsetof(CPUState, wstate) },
1885
    { "cleanwin", offsetof(CPUState, cleanwin) },
1886
    { "fprs", offsetof(CPUState, fprs) },
1887
#endif
1888
#endif
1889
    { NULL },
1890
};
1891

    
1892
static void expr_error(const char *fmt)
1893
{
1894
    term_printf(fmt);
1895
    term_printf("\n");
1896
    longjmp(expr_env, 1);
1897
}
1898

    
1899
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
1900
static int get_monitor_def(target_long *pval, const char *name)
1901
{
1902
    const MonitorDef *md;
1903
    void *ptr;
1904

    
1905
    for(md = monitor_defs; md->name != NULL; md++) {
1906
        if (compare_cmd(name, md->name)) {
1907
            if (md->get_value) {
1908
                *pval = md->get_value(md, md->offset);
1909
            } else {
1910
                CPUState *env = mon_get_cpu();
1911
                if (!env)
1912
                    return -2;
1913
                ptr = (uint8_t *)env + md->offset;
1914
                switch(md->type) {
1915
                case MD_I32:
1916
                    *pval = *(int32_t *)ptr;
1917
                    break;
1918
                case MD_TLONG:
1919
                    *pval = *(target_long *)ptr;
1920
                    break;
1921
                default:
1922
                    *pval = 0;
1923
                    break;
1924
                }
1925
            }
1926
            return 0;
1927
        }
1928
    }
1929
    return -1;
1930
}
1931

    
1932
static void next(void)
1933
{
1934
    if (pch != '\0') {
1935
        pch++;
1936
        while (isspace(*pch))
1937
            pch++;
1938
    }
1939
}
1940

    
1941
static int64_t expr_sum(void);
1942

    
1943
static int64_t expr_unary(void)
1944
{
1945
    int64_t n;
1946
    char *p;
1947
    int ret;
1948

    
1949
    switch(*pch) {
1950
    case '+':
1951
        next();
1952
        n = expr_unary();
1953
        break;
1954
    case '-':
1955
        next();
1956
        n = -expr_unary();
1957
        break;
1958
    case '~':
1959
        next();
1960
        n = ~expr_unary();
1961
        break;
1962
    case '(':
1963
        next();
1964
        n = expr_sum();
1965
        if (*pch != ')') {
1966
            expr_error("')' expected");
1967
        }
1968
        next();
1969
        break;
1970
    case '\'':
1971
        pch++;
1972
        if (*pch == '\0')
1973
            expr_error("character constant expected");
1974
        n = *pch;
1975
        pch++;
1976
        if (*pch != '\'')
1977
            expr_error("missing terminating \' character");
1978
        next();
1979
        break;
1980
    case '$':
1981
        {
1982
            char buf[128], *q;
1983
            target_long reg=0;
1984

    
1985
            pch++;
1986
            q = buf;
1987
            while ((*pch >= 'a' && *pch <= 'z') ||
1988
                   (*pch >= 'A' && *pch <= 'Z') ||
1989
                   (*pch >= '0' && *pch <= '9') ||
1990
                   *pch == '_' || *pch == '.') {
1991
                if ((q - buf) < sizeof(buf) - 1)
1992
                    *q++ = *pch;
1993
                pch++;
1994
            }
1995
            while (isspace(*pch))
1996
                pch++;
1997
            *q = 0;
1998
            ret = get_monitor_def(&reg, buf);
1999
            if (ret == -1)
2000
                expr_error("unknown register");
2001
            else if (ret == -2)
2002
                expr_error("no cpu defined");
2003
            n = reg;
2004
        }
2005
        break;
2006
    case '\0':
2007
        expr_error("unexpected end of expression");
2008
        n = 0;
2009
        break;
2010
    default:
2011
#if TARGET_PHYS_ADDR_BITS > 32
2012
        n = strtoull(pch, &p, 0);
2013
#else
2014
        n = strtoul(pch, &p, 0);
2015
#endif
2016
        if (pch == p) {
2017
            expr_error("invalid char in expression");
2018
        }
2019
        pch = p;
2020
        while (isspace(*pch))
2021
            pch++;
2022
        break;
2023
    }
2024
    return n;
2025
}
2026

    
2027

    
2028
static int64_t expr_prod(void)
2029
{
2030
    int64_t val, val2;
2031
    int op;
2032

    
2033
    val = expr_unary();
2034
    for(;;) {
2035
        op = *pch;
2036
        if (op != '*' && op != '/' && op != '%')
2037
            break;
2038
        next();
2039
        val2 = expr_unary();
2040
        switch(op) {
2041
        default:
2042
        case '*':
2043
            val *= val2;
2044
            break;
2045
        case '/':
2046
        case '%':
2047
            if (val2 == 0)
2048
                expr_error("division by zero");
2049
            if (op == '/')
2050
                val /= val2;
2051
            else
2052
                val %= val2;
2053
            break;
2054
        }
2055
    }
2056
    return val;
2057
}
2058

    
2059
static int64_t expr_logic(void)
2060
{
2061
    int64_t val, val2;
2062
    int op;
2063

    
2064
    val = expr_prod();
2065
    for(;;) {
2066
        op = *pch;
2067
        if (op != '&' && op != '|' && op != '^')
2068
            break;
2069
        next();
2070
        val2 = expr_prod();
2071
        switch(op) {
2072
        default:
2073
        case '&':
2074
            val &= val2;
2075
            break;
2076
        case '|':
2077
            val |= val2;
2078
            break;
2079
        case '^':
2080
            val ^= val2;
2081
            break;
2082
        }
2083
    }
2084
    return val;
2085
}
2086

    
2087
static int64_t expr_sum(void)
2088
{
2089
    int64_t val, val2;
2090
    int op;
2091

    
2092
    val = expr_logic();
2093
    for(;;) {
2094
        op = *pch;
2095
        if (op != '+' && op != '-')
2096
            break;
2097
        next();
2098
        val2 = expr_logic();
2099
        if (op == '+')
2100
            val += val2;
2101
        else
2102
            val -= val2;
2103
    }
2104
    return val;
2105
}
2106

    
2107
static int get_expr(int64_t *pval, const char **pp)
2108
{
2109
    pch = *pp;
2110
    if (setjmp(expr_env)) {
2111
        *pp = pch;
2112
        return -1;
2113
    }
2114
    while (isspace(*pch))
2115
        pch++;
2116
    *pval = expr_sum();
2117
    *pp = pch;
2118
    return 0;
2119
}
2120

    
2121
static int get_str(char *buf, int buf_size, const char **pp)
2122
{
2123
    const char *p;
2124
    char *q;
2125
    int c;
2126

    
2127
    q = buf;
2128
    p = *pp;
2129
    while (isspace(*p))
2130
        p++;
2131
    if (*p == '\0') {
2132
    fail:
2133
        *q = '\0';
2134
        *pp = p;
2135
        return -1;
2136
    }
2137
    if (*p == '\"') {
2138
        p++;
2139
        while (*p != '\0' && *p != '\"') {
2140
            if (*p == '\\') {
2141
                p++;
2142
                c = *p++;
2143
                switch(c) {
2144
                case 'n':
2145
                    c = '\n';
2146
                    break;
2147
                case 'r':
2148
                    c = '\r';
2149
                    break;
2150
                case '\\':
2151
                case '\'':
2152
                case '\"':
2153
                    break;
2154
                default:
2155
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
2156
                    goto fail;
2157
                }
2158
                if ((q - buf) < buf_size - 1) {
2159
                    *q++ = c;
2160
                }
2161
            } else {
2162
                if ((q - buf) < buf_size - 1) {
2163
                    *q++ = *p;
2164
                }
2165
                p++;
2166
            }
2167
        }
2168
        if (*p != '\"') {
2169
            qemu_printf("unterminated string\n");
2170
            goto fail;
2171
        }
2172
        p++;
2173
    } else {
2174
        while (*p != '\0' && !isspace(*p)) {
2175
            if ((q - buf) < buf_size - 1) {
2176
                *q++ = *p;
2177
            }
2178
            p++;
2179
        }
2180
    }
2181
    *q = '\0';
2182
    *pp = p;
2183
    return 0;
2184
}
2185

    
2186
static int default_fmt_format = 'x';
2187
static int default_fmt_size = 4;
2188

    
2189
#define MAX_ARGS 16
2190

    
2191
static void monitor_handle_command(const char *cmdline)
2192
{
2193
    const char *p, *pstart, *typestr;
2194
    char *q;
2195
    int c, nb_args, len, i, has_arg;
2196
    const term_cmd_t *cmd;
2197
    char cmdname[256];
2198
    char buf[1024];
2199
    void *str_allocated[MAX_ARGS];
2200
    void *args[MAX_ARGS];
2201
    void (*handler_0)(void);
2202
    void (*handler_1)(void *arg0);
2203
    void (*handler_2)(void *arg0, void *arg1);
2204
    void (*handler_3)(void *arg0, void *arg1, void *arg2);
2205
    void (*handler_4)(void *arg0, void *arg1, void *arg2, void *arg3);
2206
    void (*handler_5)(void *arg0, void *arg1, void *arg2, void *arg3,
2207
                      void *arg4);
2208
    void (*handler_6)(void *arg0, void *arg1, void *arg2, void *arg3,
2209
                      void *arg4, void *arg5);
2210
    void (*handler_7)(void *arg0, void *arg1, void *arg2, void *arg3,
2211
                      void *arg4, void *arg5, void *arg6);
2212

    
2213
#ifdef DEBUG
2214
    term_printf("command='%s'\n", cmdline);
2215
#endif
2216

    
2217
    /* extract the command name */
2218
    p = cmdline;
2219
    q = cmdname;
2220
    while (isspace(*p))
2221
        p++;
2222
    if (*p == '\0')
2223
        return;
2224
    pstart = p;
2225
    while (*p != '\0' && *p != '/' && !isspace(*p))
2226
        p++;
2227
    len = p - pstart;
2228
    if (len > sizeof(cmdname) - 1)
2229
        len = sizeof(cmdname) - 1;
2230
    memcpy(cmdname, pstart, len);
2231
    cmdname[len] = '\0';
2232

    
2233
    /* find the command */
2234
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2235
        if (compare_cmd(cmdname, cmd->name))
2236
            goto found;
2237
    }
2238
    term_printf("unknown command: '%s'\n", cmdname);
2239
    return;
2240
 found:
2241

    
2242
    for(i = 0; i < MAX_ARGS; i++)
2243
        str_allocated[i] = NULL;
2244

    
2245
    /* parse the parameters */
2246
    typestr = cmd->args_type;
2247
    nb_args = 0;
2248
    for(;;) {
2249
        c = *typestr;
2250
        if (c == '\0')
2251
            break;
2252
        typestr++;
2253
        switch(c) {
2254
        case 'F':
2255
        case 'B':
2256
        case 's':
2257
            {
2258
                int ret;
2259
                char *str;
2260

    
2261
                while (isspace(*p))
2262
                    p++;
2263
                if (*typestr == '?') {
2264
                    typestr++;
2265
                    if (*p == '\0') {
2266
                        /* no optional string: NULL argument */
2267
                        str = NULL;
2268
                        goto add_str;
2269
                    }
2270
                }
2271
                ret = get_str(buf, sizeof(buf), &p);
2272
                if (ret < 0) {
2273
                    switch(c) {
2274
                    case 'F':
2275
                        term_printf("%s: filename expected\n", cmdname);
2276
                        break;
2277
                    case 'B':
2278
                        term_printf("%s: block device name expected\n", cmdname);
2279
                        break;
2280
                    default:
2281
                        term_printf("%s: string expected\n", cmdname);
2282
                        break;
2283
                    }
2284
                    goto fail;
2285
                }
2286
                str = qemu_malloc(strlen(buf) + 1);
2287
                pstrcpy(str, sizeof(buf), buf);
2288
                str_allocated[nb_args] = str;
2289
            add_str:
2290
                if (nb_args >= MAX_ARGS) {
2291
                error_args:
2292
                    term_printf("%s: too many arguments\n", cmdname);
2293
                    goto fail;
2294
                }
2295
                args[nb_args++] = str;
2296
            }
2297
            break;
2298
        case '/':
2299
            {
2300
                int count, format, size;
2301

    
2302
                while (isspace(*p))
2303
                    p++;
2304
                if (*p == '/') {
2305
                    /* format found */
2306
                    p++;
2307
                    count = 1;
2308
                    if (isdigit(*p)) {
2309
                        count = 0;
2310
                        while (isdigit(*p)) {
2311
                            count = count * 10 + (*p - '0');
2312
                            p++;
2313
                        }
2314
                    }
2315
                    size = -1;
2316
                    format = -1;
2317
                    for(;;) {
2318
                        switch(*p) {
2319
                        case 'o':
2320
                        case 'd':
2321
                        case 'u':
2322
                        case 'x':
2323
                        case 'i':
2324
                        case 'c':
2325
                            format = *p++;
2326
                            break;
2327
                        case 'b':
2328
                            size = 1;
2329
                            p++;
2330
                            break;
2331
                        case 'h':
2332
                            size = 2;
2333
                            p++;
2334
                            break;
2335
                        case 'w':
2336
                            size = 4;
2337
                            p++;
2338
                            break;
2339
                        case 'g':
2340
                        case 'L':
2341
                            size = 8;
2342
                            p++;
2343
                            break;
2344
                        default:
2345
                            goto next;
2346
                        }
2347
                    }
2348
                next:
2349
                    if (*p != '\0' && !isspace(*p)) {
2350
                        term_printf("invalid char in format: '%c'\n", *p);
2351
                        goto fail;
2352
                    }
2353
                    if (format < 0)
2354
                        format = default_fmt_format;
2355
                    if (format != 'i') {
2356
                        /* for 'i', not specifying a size gives -1 as size */
2357
                        if (size < 0)
2358
                            size = default_fmt_size;
2359
                        default_fmt_size = size;
2360
                    }
2361
                    default_fmt_format = format;
2362
                } else {
2363
                    count = 1;
2364
                    format = default_fmt_format;
2365
                    if (format != 'i') {
2366
                        size = default_fmt_size;
2367
                    } else {
2368
                        size = -1;
2369
                    }
2370
                }
2371
                if (nb_args + 3 > MAX_ARGS)
2372
                    goto error_args;
2373
                args[nb_args++] = (void*)(long)count;
2374
                args[nb_args++] = (void*)(long)format;
2375
                args[nb_args++] = (void*)(long)size;
2376
            }
2377
            break;
2378
        case 'i':
2379
        case 'l':
2380
            {
2381
                int64_t val;
2382

    
2383
                while (isspace(*p))
2384
                    p++;
2385
                if (*typestr == '?' || *typestr == '.') {
2386
                    if (*typestr == '?') {
2387
                        if (*p == '\0')
2388
                            has_arg = 0;
2389
                        else
2390
                            has_arg = 1;
2391
                    } else {
2392
                        if (*p == '.') {
2393
                            p++;
2394
                            while (isspace(*p))
2395
                                p++;
2396
                            has_arg = 1;
2397
                        } else {
2398
                            has_arg = 0;
2399
                        }
2400
                    }
2401
                    typestr++;
2402
                    if (nb_args >= MAX_ARGS)
2403
                        goto error_args;
2404
                    args[nb_args++] = (void *)(long)has_arg;
2405
                    if (!has_arg) {
2406
                        if (nb_args >= MAX_ARGS)
2407
                            goto error_args;
2408
                        val = -1;
2409
                        goto add_num;
2410
                    }
2411
                }
2412
                if (get_expr(&val, &p))
2413
                    goto fail;
2414
            add_num:
2415
                if (c == 'i') {
2416
                    if (nb_args >= MAX_ARGS)
2417
                        goto error_args;
2418
                    args[nb_args++] = (void *)(long)val;
2419
                } else {
2420
                    if ((nb_args + 1) >= MAX_ARGS)
2421
                        goto error_args;
2422
#if TARGET_PHYS_ADDR_BITS > 32
2423
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2424
#else
2425
                    args[nb_args++] = (void *)0;
2426
#endif
2427
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
2428
                }
2429
            }
2430
            break;
2431
        case '-':
2432
            {
2433
                int has_option;
2434
                /* option */
2435

    
2436
                c = *typestr++;
2437
                if (c == '\0')
2438
                    goto bad_type;
2439
                while (isspace(*p))
2440
                    p++;
2441
                has_option = 0;
2442
                if (*p == '-') {
2443
                    p++;
2444
                    if (*p != c) {
2445
                        term_printf("%s: unsupported option -%c\n",
2446
                                    cmdname, *p);
2447
                        goto fail;
2448
                    }
2449
                    p++;
2450
                    has_option = 1;
2451
                }
2452
                if (nb_args >= MAX_ARGS)
2453
                    goto error_args;
2454
                args[nb_args++] = (void *)(long)has_option;
2455
            }
2456
            break;
2457
        default:
2458
        bad_type:
2459
            term_printf("%s: unknown type '%c'\n", cmdname, c);
2460
            goto fail;
2461
        }
2462
    }
2463
    /* check that all arguments were parsed */
2464
    while (isspace(*p))
2465
        p++;
2466
    if (*p != '\0') {
2467
        term_printf("%s: extraneous characters at the end of line\n",
2468
                    cmdname);
2469
        goto fail;
2470
    }
2471

    
2472
    switch(nb_args) {
2473
    case 0:
2474
        handler_0 = cmd->handler;
2475
        handler_0();
2476
        break;
2477
    case 1:
2478
        handler_1 = cmd->handler;
2479
        handler_1(args[0]);
2480
        break;
2481
    case 2:
2482
        handler_2 = cmd->handler;
2483
        handler_2(args[0], args[1]);
2484
        break;
2485
    case 3:
2486
        handler_3 = cmd->handler;
2487
        handler_3(args[0], args[1], args[2]);
2488
        break;
2489
    case 4:
2490
        handler_4 = cmd->handler;
2491
        handler_4(args[0], args[1], args[2], args[3]);
2492
        break;
2493
    case 5:
2494
        handler_5 = cmd->handler;
2495
        handler_5(args[0], args[1], args[2], args[3], args[4]);
2496
        break;
2497
    case 6:
2498
        handler_6 = cmd->handler;
2499
        handler_6(args[0], args[1], args[2], args[3], args[4], args[5]);
2500
        break;
2501
    case 7:
2502
        handler_7 = cmd->handler;
2503
        handler_7(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2504
        break;
2505
    default:
2506
        term_printf("unsupported number of arguments: %d\n", nb_args);
2507
        goto fail;
2508
    }
2509
 fail:
2510
    for(i = 0; i < MAX_ARGS; i++)
2511
        qemu_free(str_allocated[i]);
2512
    return;
2513
}
2514

    
2515
static void cmd_completion(const char *name, const char *list)
2516
{
2517
    const char *p, *pstart;
2518
    char cmd[128];
2519
    int len;
2520

    
2521
    p = list;
2522
    for(;;) {
2523
        pstart = p;
2524
        p = strchr(p, '|');
2525
        if (!p)
2526
            p = pstart + strlen(pstart);
2527
        len = p - pstart;
2528
        if (len > sizeof(cmd) - 2)
2529
            len = sizeof(cmd) - 2;
2530
        memcpy(cmd, pstart, len);
2531
        cmd[len] = '\0';
2532
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2533
            add_completion(cmd);
2534
        }
2535
        if (*p == '\0')
2536
            break;
2537
        p++;
2538
    }
2539
}
2540

    
2541
static void file_completion(const char *input)
2542
{
2543
    DIR *ffs;
2544
    struct dirent *d;
2545
    char path[1024];
2546
    char file[1024], file_prefix[1024];
2547
    int input_path_len;
2548
    const char *p;
2549

    
2550
    p = strrchr(input, '/');
2551
    if (!p) {
2552
        input_path_len = 0;
2553
        pstrcpy(file_prefix, sizeof(file_prefix), input);
2554
        pstrcpy(path, sizeof(path), ".");
2555
    } else {
2556
        input_path_len = p - input + 1;
2557
        memcpy(path, input, input_path_len);
2558
        if (input_path_len > sizeof(path) - 1)
2559
            input_path_len = sizeof(path) - 1;
2560
        path[input_path_len] = '\0';
2561
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2562
    }
2563
#ifdef DEBUG_COMPLETION
2564
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2565
#endif
2566
    ffs = opendir(path);
2567
    if (!ffs)
2568
        return;
2569
    for(;;) {
2570
        struct stat sb;
2571
        d = readdir(ffs);
2572
        if (!d)
2573
            break;
2574
        if (strstart(d->d_name, file_prefix, NULL)) {
2575
            memcpy(file, input, input_path_len);
2576
            if (input_path_len < sizeof(file))
2577
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
2578
                        d->d_name);
2579
            /* stat the file to find out if it's a directory.
2580
             * In that case add a slash to speed up typing long paths
2581
             */
2582
            stat(file, &sb);
2583
            if(S_ISDIR(sb.st_mode))
2584
                pstrcat(file, sizeof(file), "/");
2585
            add_completion(file);
2586
        }
2587
    }
2588
    closedir(ffs);
2589
}
2590

    
2591
static void block_completion_it(void *opaque, const char *name)
2592
{
2593
    const char *input = opaque;
2594

    
2595
    if (input[0] == '\0' ||
2596
        !strncmp(name, (char *)input, strlen(input))) {
2597
        add_completion(name);
2598
    }
2599
}
2600

    
2601
/* NOTE: this parser is an approximate form of the real command parser */
2602
static void parse_cmdline(const char *cmdline,
2603
                         int *pnb_args, char **args)
2604
{
2605
    const char *p;
2606
    int nb_args, ret;
2607
    char buf[1024];
2608

    
2609
    p = cmdline;
2610
    nb_args = 0;
2611
    for(;;) {
2612
        while (isspace(*p))
2613
            p++;
2614
        if (*p == '\0')
2615
            break;
2616
        if (nb_args >= MAX_ARGS)
2617
            break;
2618
        ret = get_str(buf, sizeof(buf), &p);
2619
        args[nb_args] = qemu_strdup(buf);
2620
        nb_args++;
2621
        if (ret < 0)
2622
            break;
2623
    }
2624
    *pnb_args = nb_args;
2625
}
2626

    
2627
void readline_find_completion(const char *cmdline)
2628
{
2629
    const char *cmdname;
2630
    char *args[MAX_ARGS];
2631
    int nb_args, i, len;
2632
    const char *ptype, *str;
2633
    const term_cmd_t *cmd;
2634
    const KeyDef *key;
2635

    
2636
    parse_cmdline(cmdline, &nb_args, args);
2637
#ifdef DEBUG_COMPLETION
2638
    for(i = 0; i < nb_args; i++) {
2639
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2640
    }
2641
#endif
2642

    
2643
    /* if the line ends with a space, it means we want to complete the
2644
       next arg */
2645
    len = strlen(cmdline);
2646
    if (len > 0 && isspace(cmdline[len - 1])) {
2647
        if (nb_args >= MAX_ARGS)
2648
            return;
2649
        args[nb_args++] = qemu_strdup("");
2650
    }
2651
    if (nb_args <= 1) {
2652
        /* command completion */
2653
        if (nb_args == 0)
2654
            cmdname = "";
2655
        else
2656
            cmdname = args[0];
2657
        completion_index = strlen(cmdname);
2658
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2659
            cmd_completion(cmdname, cmd->name);
2660
        }
2661
    } else {
2662
        /* find the command */
2663
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2664
            if (compare_cmd(args[0], cmd->name))
2665
                goto found;
2666
        }
2667
        return;
2668
    found:
2669
        ptype = cmd->args_type;
2670
        for(i = 0; i < nb_args - 2; i++) {
2671
            if (*ptype != '\0') {
2672
                ptype++;
2673
                while (*ptype == '?')
2674
                    ptype++;
2675
            }
2676
        }
2677
        str = args[nb_args - 1];
2678
        switch(*ptype) {
2679
        case 'F':
2680
            /* file completion */
2681
            completion_index = strlen(str);
2682
            file_completion(str);
2683
            break;
2684
        case 'B':
2685
            /* block device name completion */
2686
            completion_index = strlen(str);
2687
            bdrv_iterate(block_completion_it, (void *)str);
2688
            break;
2689
        case 's':
2690
            /* XXX: more generic ? */
2691
            if (!strcmp(cmd->name, "info")) {
2692
                completion_index = strlen(str);
2693
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2694
                    cmd_completion(str, cmd->name);
2695
                }
2696
            } else if (!strcmp(cmd->name, "sendkey")) {
2697
                completion_index = strlen(str);
2698
                for(key = key_defs; key->name != NULL; key++) {
2699
                    cmd_completion(str, key->name);
2700
                }
2701
            }
2702
            break;
2703
        default:
2704
            break;
2705
        }
2706
    }
2707
    for(i = 0; i < nb_args; i++)
2708
        qemu_free(args[i]);
2709
}
2710

    
2711
static int term_can_read(void *opaque)
2712
{
2713
    return 128;
2714
}
2715

    
2716
static void term_read(void *opaque, const uint8_t *buf, int size)
2717
{
2718
    int i;
2719
    for(i = 0; i < size; i++)
2720
        readline_handle_byte(buf[i]);
2721
}
2722

    
2723
static int monitor_suspended;
2724

    
2725
static void monitor_handle_command1(void *opaque, const char *cmdline)
2726
{
2727
    monitor_handle_command(cmdline);
2728
    if (!monitor_suspended)
2729
        monitor_start_input();
2730
    else
2731
        monitor_suspended = 2;
2732
}
2733

    
2734
void monitor_suspend(void)
2735
{
2736
    monitor_suspended = 1;
2737
}
2738

    
2739
void monitor_resume(void)
2740
{
2741
    if (monitor_suspended == 2)
2742
        monitor_start_input();
2743
    monitor_suspended = 0;
2744
}
2745

    
2746
static void monitor_start_input(void)
2747
{
2748
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2749
}
2750

    
2751
static void term_event(void *opaque, int event)
2752
{
2753
    if (event != CHR_EVENT_RESET)
2754
        return;
2755

    
2756
    if (!hide_banner)
2757
            term_printf("QEMU %s monitor - type 'help' for more information\n",
2758
                        QEMU_VERSION);
2759
    monitor_start_input();
2760
}
2761

    
2762
static int is_first_init = 1;
2763

    
2764
void monitor_init(CharDriverState *hd, int show_banner)
2765
{
2766
    int i;
2767

    
2768
    if (is_first_init) {
2769
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
2770
        if (!key_timer)
2771
            return;
2772
        for (i = 0; i < MAX_MON; i++) {
2773
            monitor_hd[i] = NULL;
2774
        }
2775
        is_first_init = 0;
2776
    }
2777
    for (i = 0; i < MAX_MON; i++) {
2778
        if (monitor_hd[i] == NULL) {
2779
            monitor_hd[i] = hd;
2780
            break;
2781
        }
2782
    }
2783

    
2784
    hide_banner = !show_banner;
2785

    
2786
    qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2787

    
2788
    readline_start("", 0, monitor_handle_command1, NULL);
2789
}
2790

    
2791
/* XXX: use threads ? */
2792
/* modal monitor readline */
2793
static int monitor_readline_started;
2794
static char *monitor_readline_buf;
2795
static int monitor_readline_buf_size;
2796

    
2797
static void monitor_readline_cb(void *opaque, const char *input)
2798
{
2799
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2800
    monitor_readline_started = 0;
2801
}
2802

    
2803
void monitor_readline(const char *prompt, int is_password,
2804
                      char *buf, int buf_size)
2805
{
2806
    int i;
2807
    int old_focus[MAX_MON];
2808

    
2809
    if (is_password) {
2810
        for (i = 0; i < MAX_MON; i++) {
2811
            old_focus[i] = 0;
2812
            if (monitor_hd[i]) {
2813
                old_focus[i] = monitor_hd[i]->focus;
2814
                monitor_hd[i]->focus = 0;
2815
                qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2816
            }
2817
        }
2818
    }
2819

    
2820
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
2821
    monitor_readline_buf = buf;
2822
    monitor_readline_buf_size = buf_size;
2823
    monitor_readline_started = 1;
2824
    while (monitor_readline_started) {
2825
        main_loop_wait(10);
2826
    }
2827
    /* restore original focus */
2828
    if (is_password) {
2829
        for (i = 0; i < MAX_MON; i++)
2830
            if (old_focus[i])
2831
                monitor_hd[i]->focus = old_focus[i];
2832
    }
2833
}