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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 "vl.h"
25
#include "disas.h"
26
#include <dirent.h>
27

    
28
//#define DEBUG
29
//#define DEBUG_COMPLETION
30

    
31
#ifndef offsetof
32
#define offsetof(type, field) ((size_t) &((type *)0)->field)
33
#endif
34

    
35
/*
36
 * Supported types:
37
 * 
38
 * 'F'          filename
39
 * 'B'          block device name
40
 * 's'          string (accept optional quote)
41
 * 'i'          integer
42
 * '/'          optional gdb-like print format (like "/10x")
43
 *
44
 * '?'          optional type (for 'F', 's' and 'i')
45
 *
46
 */
47

    
48
typedef struct term_cmd_t {
49
    const char *name;
50
    const char *args_type;
51
    void (*handler)();
52
    const char *params;
53
    const char *help;
54
} term_cmd_t;
55

    
56
static CharDriverState *monitor_hd;
57

    
58
static term_cmd_t term_cmds[];
59
static term_cmd_t info_cmds[];
60

    
61
static char term_outbuf[1024];
62
static int term_outbuf_index;
63

    
64
static void monitor_start_input(void);
65

    
66
void term_flush(void)
67
{
68
    if (term_outbuf_index > 0) {
69
        qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
70
        term_outbuf_index = 0;
71
    }
72
}
73

    
74
/* flush at every end of line or if the buffer is full */
75
void term_puts(const char *str)
76
{
77
    int c;
78
    for(;;) {
79
        c = *str++;
80
        if (c == '\0')
81
            break;
82
        term_outbuf[term_outbuf_index++] = c;
83
        if (term_outbuf_index >= sizeof(term_outbuf) ||
84
            c == '\n')
85
            term_flush();
86
    }
87
}
88

    
89
void term_vprintf(const char *fmt, va_list ap)
90
{
91
    char buf[4096];
92
    vsnprintf(buf, sizeof(buf), fmt, ap);
93
    term_puts(buf);
94
}
95

    
96
void term_printf(const char *fmt, ...)
97
{
98
    va_list ap;
99
    va_start(ap, fmt);
100
    term_vprintf(fmt, ap);
101
    va_end(ap);
102
}
103

    
104
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
105
{
106
    va_list ap;
107
    va_start(ap, fmt);
108
    term_vprintf(fmt, ap);
109
    va_end(ap);
110
    return 0;
111
}
112

    
113
static int compare_cmd(const char *name, const char *list)
114
{
115
    const char *p, *pstart;
116
    int len;
117
    len = strlen(name);
118
    p = list;
119
    for(;;) {
120
        pstart = p;
121
        p = strchr(p, '|');
122
        if (!p)
123
            p = pstart + strlen(pstart);
124
        if ((p - pstart) == len && !memcmp(pstart, name, len))
125
            return 1;
126
        if (*p == '\0')
127
            break;
128
        p++;
129
    }
130
    return 0;
131
}
132

    
133
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
134
{
135
    term_cmd_t *cmd;
136

    
137
    for(cmd = cmds; cmd->name != NULL; cmd++) {
138
        if (!name || !strcmp(name, cmd->name))
139
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
140
    }
141
}
142

    
143
static void help_cmd(const char *name)
144
{
145
    if (name && !strcmp(name, "info")) {
146
        help_cmd1(info_cmds, "info ", NULL);
147
    } else {
148
        help_cmd1(term_cmds, "", name);
149
        if (name && !strcmp(name, "log")) {
150
            CPULogItem *item;
151
            term_printf("Log items (comma separated):\n");
152
            term_printf("%-10s %s\n", "none", "remove all logs");
153
            for(item = cpu_log_items; item->mask != 0; item++) {
154
                term_printf("%-10s %s\n", item->name, item->help);
155
            }
156
        }
157
    }
158
}
159

    
160
static void do_help(const char *name)
161
{
162
    help_cmd(name);
163
}
164

    
165
static void do_commit(void)
166
{
167
    int i;
168

    
169
    for (i = 0; i < MAX_DISKS; i++) {
170
        if (bs_table[i]) {
171
            bdrv_commit(bs_table[i]);
172
        }
173
    }
174
}
175

    
176
static void do_info(const char *item)
177
{
178
    term_cmd_t *cmd;
179

    
180
    if (!item)
181
        goto help;
182
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
183
        if (compare_cmd(item, cmd->name)) 
184
            goto found;
185
    }
186
 help:
187
    help_cmd("info");
188
    return;
189
 found:
190
    cmd->handler();
191
}
192

    
193
static void do_info_version(void)
194
{
195
  term_printf("%s\n", QEMU_VERSION);
196
}
197

    
198
static void do_info_network(void)
199
{
200
    int i, j;
201
    NetDriverState *nd;
202
    
203
    for(i = 0; i < nb_nics; i++) {
204
        nd = &nd_table[i];
205
        term_printf("%d: ifname=%s macaddr=", i, nd->ifname);
206
        for(j = 0; j < 6; j++) {
207
            if (j > 0)
208
                term_printf(":");
209
            term_printf("%02x", nd->macaddr[j]);
210
        }
211
        term_printf("\n");
212
    }
213
}
214
 
215
static void do_info_block(void)
216
{
217
    bdrv_info();
218
}
219

    
220
static void do_info_registers(void)
221
{
222
#ifdef TARGET_I386
223
    cpu_dump_state(cpu_single_env, NULL, monitor_fprintf,
224
                   X86_DUMP_FPU | X86_DUMP_CCOP);
225
#else
226
    cpu_dump_state(cpu_single_env, NULL, monitor_fprintf, 
227
                   0);
228
#endif
229
}
230

    
231
static void do_info_jit(void)
232
{
233
    dump_exec_info(NULL, monitor_fprintf);
234
}
235

    
236
static void do_info_history (void)
237
{
238
    int i;
239
    const char *str;
240
    
241
    i = 0;
242
    for(;;) {
243
        str = readline_get_history(i);
244
        if (!str)
245
            break;
246
        term_printf("%d: '%s'\n", i, str);
247
        i++;
248
    }
249
}
250

    
251
static void do_quit(void)
252
{
253
    exit(0);
254
}
255

    
256
static int eject_device(BlockDriverState *bs, int force)
257
{
258
    if (bdrv_is_inserted(bs)) {
259
        if (!force) {
260
            if (!bdrv_is_removable(bs)) {
261
                term_printf("device is not removable\n");
262
                return -1;
263
            }
264
            if (bdrv_is_locked(bs)) {
265
                term_printf("device is locked\n");
266
                return -1;
267
            }
268
        }
269
        bdrv_close(bs);
270
    }
271
    return 0;
272
}
273

    
274
static void do_eject(int force, const char *filename)
275
{
276
    BlockDriverState *bs;
277

    
278
    bs = bdrv_find(filename);
279
    if (!bs) {
280
        term_printf("device not found\n");
281
        return;
282
    }
283
    eject_device(bs, force);
284
}
285

    
286
static void do_change(const char *device, const char *filename)
287
{
288
    BlockDriverState *bs;
289
    int i;
290
    char password[256];
291

    
292
    bs = bdrv_find(device);
293
    if (!bs) {
294
        term_printf("device not found\n");
295
        return;
296
    }
297
    if (eject_device(bs, 0) < 0)
298
        return;
299
    bdrv_open(bs, filename, 0);
300
    if (bdrv_is_encrypted(bs)) {
301
        term_printf("%s is encrypted.\n", device);
302
        for(i = 0; i < 3; i++) {
303
            monitor_readline("Password: ", 1, password, sizeof(password));
304
            if (bdrv_set_key(bs, password) == 0)
305
                break;
306
            term_printf("invalid password\n");
307
        }
308
    }
309
}
310

    
311
static void do_screen_dump(const char *filename)
312
{
313
    vga_screen_dump(filename);
314
}
315

    
316
static void do_log(const char *items)
317
{
318
    int mask;
319
    
320
    if (!strcmp(items, "none")) {
321
        mask = 0;
322
    } else {
323
        mask = cpu_str_to_log_mask(items);
324
        if (!mask) {
325
            help_cmd("log");
326
            return;
327
        }
328
    }
329
    cpu_set_log(mask);
330
}
331

    
332
static void do_savevm(const char *filename)
333
{
334
    if (qemu_savevm(filename) < 0)
335
        term_printf("I/O error when saving VM to '%s'\n", filename);
336
}
337

    
338
static void do_loadvm(const char *filename)
339
{
340
    if (qemu_loadvm(filename) < 0) 
341
        term_printf("I/O error when loading VM from '%s'\n", filename);
342
}
343

    
344
static void do_stop(void)
345
{
346
    vm_stop(EXCP_INTERRUPT);
347
}
348

    
349
static void do_cont(void)
350
{
351
    vm_start();
352
}
353

    
354
#ifdef CONFIG_GDBSTUB
355
static void do_gdbserver(int has_port, int port)
356
{
357
    if (!has_port)
358
        port = DEFAULT_GDBSTUB_PORT;
359
    if (gdbserver_start(port) < 0) {
360
        qemu_printf("Could not open gdbserver socket on port %d\n", port);
361
    } else {
362
        qemu_printf("Waiting gdb connection on port %d\n", port);
363
    }
364
}
365
#endif
366

    
367
static void term_printc(int c)
368
{
369
    term_printf("'");
370
    switch(c) {
371
    case '\'':
372
        term_printf("\\'");
373
        break;
374
    case '\\':
375
        term_printf("\\\\");
376
        break;
377
    case '\n':
378
        term_printf("\\n");
379
        break;
380
    case '\r':
381
        term_printf("\\r");
382
        break;
383
    default:
384
        if (c >= 32 && c <= 126) {
385
            term_printf("%c", c);
386
        } else {
387
            term_printf("\\x%02x", c);
388
        }
389
        break;
390
    }
391
    term_printf("'");
392
}
393

    
394
static void memory_dump(int count, int format, int wsize, 
395
                        target_ulong addr, int is_physical)
396
{
397
    int nb_per_line, l, line_size, i, max_digits, len;
398
    uint8_t buf[16];
399
    uint64_t v;
400

    
401
    if (format == 'i') {
402
        int flags;
403
        flags = 0;
404
#ifdef TARGET_I386
405
        if (wsize == 2) {
406
            flags = 1;
407
        } else if (wsize == 4) {
408
            flags = 0;
409
        } else {
410
            /* as default we use the current CS size */
411
            flags = 0;
412
            if (!(cpu_single_env->segs[R_CS].flags & DESC_B_MASK))
413
                flags = 1;
414
        }
415
#endif
416
        monitor_disas(addr, count, is_physical, flags);
417
        return;
418
    }
419

    
420
    len = wsize * count;
421
    if (wsize == 1)
422
        line_size = 8;
423
    else
424
        line_size = 16;
425
    nb_per_line = line_size / wsize;
426
    max_digits = 0;
427

    
428
    switch(format) {
429
    case 'o':
430
        max_digits = (wsize * 8 + 2) / 3;
431
        break;
432
    default:
433
    case 'x':
434
        max_digits = (wsize * 8) / 4;
435
        break;
436
    case 'u':
437
    case 'd':
438
        max_digits = (wsize * 8 * 10 + 32) / 33;
439
        break;
440
    case 'c':
441
        wsize = 1;
442
        break;
443
    }
444

    
445
    while (len > 0) {
446
        term_printf(TARGET_FMT_lx ":", addr);
447
        l = len;
448
        if (l > line_size)
449
            l = line_size;
450
        if (is_physical) {
451
            cpu_physical_memory_rw(addr, buf, l, 0);
452
        } else {
453
            cpu_memory_rw_debug(cpu_single_env, addr, buf, l, 0);
454
        }
455
        i = 0; 
456
        while (i < l) {
457
            switch(wsize) {
458
            default:
459
            case 1:
460
                v = ldub_raw(buf + i);
461
                break;
462
            case 2:
463
                v = lduw_raw(buf + i);
464
                break;
465
            case 4:
466
                v = ldl_raw(buf + i);
467
                break;
468
            case 8:
469
                v = ldq_raw(buf + i);
470
                break;
471
            }
472
            term_printf(" ");
473
            switch(format) {
474
            case 'o':
475
                term_printf("%#*llo", max_digits, v);
476
                break;
477
            case 'x':
478
                term_printf("0x%0*llx", max_digits, v);
479
                break;
480
            case 'u':
481
                term_printf("%*llu", max_digits, v);
482
                break;
483
            case 'd':
484
                term_printf("%*lld", max_digits, v);
485
                break;
486
            case 'c':
487
                term_printc(v);
488
                break;
489
            }
490
            i += wsize;
491
        }
492
        term_printf("\n");
493
        addr += l;
494
        len -= l;
495
    }
496
}
497

    
498
static void do_memory_dump(int count, int format, int size, int addr)
499
{
500
    memory_dump(count, format, size, addr, 0);
501
}
502

    
503
static void do_physical_memory_dump(int count, int format, int size, int addr)
504
{
505
    memory_dump(count, format, size, addr, 1);
506
}
507

    
508
static void do_print(int count, int format, int size, int val)
509
{
510
    switch(format) {
511
    case 'o':
512
        term_printf("%#o", val);
513
        break;
514
    case 'x':
515
        term_printf("%#x", val);
516
        break;
517
    case 'u':
518
        term_printf("%u", val);
519
        break;
520
    default:
521
    case 'd':
522
        term_printf("%d", val);
523
        break;
524
    case 'c':
525
        term_printc(val);
526
        break;
527
    }
528
    term_printf("\n");
529
}
530

    
531
typedef struct {
532
    int keycode;
533
    const char *name;
534
} KeyDef;
535

    
536
static const KeyDef key_defs[] = {
537
    { 0x2a, "shift" },
538
    { 0x36, "shift_r" },
539
    
540
    { 0x38, "alt" },
541
    { 0xb8, "alt_r" },
542
    { 0x1d, "ctrl" },
543
    { 0x9d, "ctrl_r" },
544

    
545
    { 0xdd, "menu" },
546

    
547
    { 0x01, "esc" },
548

    
549
    { 0x02, "1" },
550
    { 0x03, "2" },
551
    { 0x04, "3" },
552
    { 0x05, "4" },
553
    { 0x06, "5" },
554
    { 0x07, "6" },
555
    { 0x08, "7" },
556
    { 0x09, "8" },
557
    { 0x0a, "9" },
558
    { 0x0b, "0" },
559
    { 0x0e, "backspace" },
560

    
561
    { 0x0f, "tab" },
562
    { 0x10, "q" },
563
    { 0x11, "w" },
564
    { 0x12, "e" },
565
    { 0x13, "r" },
566
    { 0x14, "t" },
567
    { 0x15, "y" },
568
    { 0x16, "u" },
569
    { 0x17, "i" },
570
    { 0x18, "o" },
571
    { 0x19, "p" },
572

    
573
    { 0x1c, "ret" },
574

    
575
    { 0x1e, "a" },
576
    { 0x1f, "s" },
577
    { 0x20, "d" },
578
    { 0x21, "f" },
579
    { 0x22, "g" },
580
    { 0x23, "h" },
581
    { 0x24, "j" },
582
    { 0x25, "k" },
583
    { 0x26, "l" },
584

    
585
    { 0x2c, "z" },
586
    { 0x2d, "x" },
587
    { 0x2e, "c" },
588
    { 0x2f, "v" },
589
    { 0x30, "b" },
590
    { 0x31, "n" },
591
    { 0x32, "m" },
592
    
593
    { 0x39, "spc" },
594
    { 0x3a, "caps_lock" },
595
    { 0x3b, "f1" },
596
    { 0x3c, "f2" },
597
    { 0x3d, "f3" },
598
    { 0x3e, "f4" },
599
    { 0x3f, "f5" },
600
    { 0x40, "f6" },
601
    { 0x41, "f7" },
602
    { 0x42, "f8" },
603
    { 0x43, "f9" },
604
    { 0x44, "f10" },
605
    { 0x45, "num_lock" },
606
    { 0x46, "scroll_lock" },
607

    
608
    { 0x56, "<" },
609

    
610
    { 0x57, "f11" },
611
    { 0x58, "f12" },
612

    
613
    { 0xb7, "print" },
614

    
615
    { 0xc7, "home" },
616
    { 0xc9, "pgup" },
617
    { 0xd1, "pgdn" },
618
    { 0xcf, "end" },
619

    
620
    { 0xcb, "left" },
621
    { 0xc8, "up" },
622
    { 0xd0, "down" },
623
    { 0xcd, "right" },
624

    
625
    { 0xd2, "insert" },
626
    { 0xd3, "delete" },
627
    { 0, NULL },
628
};
629

    
630
static int get_keycode(const char *key)
631
{
632
    const KeyDef *p;
633

    
634
    for(p = key_defs; p->name != NULL; p++) {
635
        if (!strcmp(key, p->name))
636
            return p->keycode;
637
    }
638
    return -1;
639
}
640

    
641
static void do_send_key(const char *string)
642
{
643
    char keybuf[16], *q;
644
    uint8_t keycodes[16];
645
    const char *p;
646
    int nb_keycodes, keycode, i;
647
    
648
    nb_keycodes = 0;
649
    p = string;
650
    while (*p != '\0') {
651
        q = keybuf;
652
        while (*p != '\0' && *p != '-') {
653
            if ((q - keybuf) < sizeof(keybuf) - 1) {
654
                *q++ = *p;
655
            }
656
            p++;
657
        }
658
        *q = '\0';
659
        keycode = get_keycode(keybuf);
660
        if (keycode < 0) {
661
            term_printf("unknown key: '%s'\n", keybuf);
662
            return;
663
        }
664
        keycodes[nb_keycodes++] = keycode;
665
        if (*p == '\0')
666
            break;
667
        p++;
668
    }
669
    /* key down events */
670
    for(i = 0; i < nb_keycodes; i++) {
671
        keycode = keycodes[i];
672
        if (keycode & 0x80)
673
            kbd_put_keycode(0xe0);
674
        kbd_put_keycode(keycode & 0x7f);
675
    }
676
    /* key up events */
677
    for(i = nb_keycodes - 1; i >= 0; i--) {
678
        keycode = keycodes[i];
679
        if (keycode & 0x80)
680
            kbd_put_keycode(0xe0);
681
        kbd_put_keycode(keycode | 0x80);
682
    }
683
}
684

    
685
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
686
{
687
    uint32_t val;
688
    int suffix;
689

    
690
    if (has_index) {
691
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
692
        addr++;
693
    }
694
    addr &= 0xffff;
695

    
696
    switch(size) {
697
    default:
698
    case 1:
699
        val = cpu_inb(NULL, addr);
700
        suffix = 'b';
701
        break;
702
    case 2:
703
        val = cpu_inw(NULL, addr);
704
        suffix = 'w';
705
        break;
706
    case 4:
707
        val = cpu_inl(NULL, addr);
708
        suffix = 'l';
709
        break;
710
    }
711
    term_printf("port%c[0x%04x] = %#0*x\n",
712
                suffix, addr, size * 2, val);
713
}
714

    
715
static void do_system_reset(void)
716
{
717
    qemu_system_reset_request();
718
}
719

    
720
#if defined(TARGET_I386)
721
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
722
{
723
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n", 
724
                addr,
725
                pte & mask,
726
                pte & PG_GLOBAL_MASK ? 'G' : '-',
727
                pte & PG_PSE_MASK ? 'P' : '-',
728
                pte & PG_DIRTY_MASK ? 'D' : '-',
729
                pte & PG_ACCESSED_MASK ? 'A' : '-',
730
                pte & PG_PCD_MASK ? 'C' : '-',
731
                pte & PG_PWT_MASK ? 'T' : '-',
732
                pte & PG_USER_MASK ? 'U' : '-',
733
                pte & PG_RW_MASK ? 'W' : '-');
734
}
735

    
736
static void tlb_info(void)
737
{
738
    CPUState *env = cpu_single_env;
739
    int l1, l2;
740
    uint32_t pgd, pde, pte;
741

    
742
    if (!(env->cr[0] & CR0_PG_MASK)) {
743
        term_printf("PG disabled\n");
744
        return;
745
    }
746
    pgd = env->cr[3] & ~0xfff;
747
    for(l1 = 0; l1 < 1024; l1++) {
748
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
749
        pde = le32_to_cpu(pde);
750
        if (pde & PG_PRESENT_MASK) {
751
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
752
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
753
            } else {
754
                for(l2 = 0; l2 < 1024; l2++) {
755
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
756
                                             (uint8_t *)&pte, 4);
757
                    pte = le32_to_cpu(pte);
758
                    if (pte & PG_PRESENT_MASK) {
759
                        print_pte((l1 << 22) + (l2 << 12), 
760
                                  pte & ~PG_PSE_MASK, 
761
                                  ~0xfff);
762
                    }
763
                }
764
            }
765
        }
766
    }
767
}
768

    
769
static void mem_print(uint32_t *pstart, int *plast_prot, 
770
                      uint32_t end, int prot)
771
{
772
    int prot1;
773
    prot1 = *plast_prot;
774
    if (prot != prot1) {
775
        if (*pstart != -1) {
776
            term_printf("%08x-%08x %08x %c%c%c\n",
777
                        *pstart, end, end - *pstart, 
778
                        prot1 & PG_USER_MASK ? 'u' : '-',
779
                        'r',
780
                        prot1 & PG_RW_MASK ? 'w' : '-');
781
        }
782
        if (prot != 0)
783
            *pstart = end;
784
        else
785
            *pstart = -1;
786
        *plast_prot = prot;
787
    }
788
}
789

    
790
static void mem_info(void)
791
{
792
    CPUState *env = cpu_single_env;
793
    int l1, l2, prot, last_prot;
794
    uint32_t pgd, pde, pte, start, end;
795

    
796
    if (!(env->cr[0] & CR0_PG_MASK)) {
797
        term_printf("PG disabled\n");
798
        return;
799
    }
800
    pgd = env->cr[3] & ~0xfff;
801
    last_prot = 0;
802
    start = -1;
803
    for(l1 = 0; l1 < 1024; l1++) {
804
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
805
        pde = le32_to_cpu(pde);
806
        end = l1 << 22;
807
        if (pde & PG_PRESENT_MASK) {
808
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
809
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
810
                mem_print(&start, &last_prot, end, prot);
811
            } else {
812
                for(l2 = 0; l2 < 1024; l2++) {
813
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
814
                                             (uint8_t *)&pte, 4);
815
                    pte = le32_to_cpu(pte);
816
                    end = (l1 << 22) + (l2 << 12);
817
                    if (pte & PG_PRESENT_MASK) {
818
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
819
                    } else {
820
                        prot = 0;
821
                    }
822
                    mem_print(&start, &last_prot, end, prot);
823
                }
824
            }
825
        } else {
826
            prot = 0;
827
            mem_print(&start, &last_prot, end, prot);
828
        }
829
    }
830
}
831
#endif
832

    
833
static term_cmd_t term_cmds[] = {
834
    { "help|?", "s?", do_help, 
835
      "[cmd]", "show the help" },
836
    { "commit", "", do_commit, 
837
      "", "commit changes to the disk images (if -snapshot is used)" },
838
    { "info", "s?", do_info,
839
      "subcommand", "show various information about the system state" },
840
    { "q|quit", "", do_quit,
841
      "", "quit the emulator" },
842
    { "eject", "-fB", do_eject,
843
      "[-f] device", "eject a removable media (use -f to force it)" },
844
    { "change", "BF", do_change,
845
      "device filename", "change a removable media" },
846
    { "screendump", "F", do_screen_dump, 
847
      "filename", "save screen into PPM image 'filename'" },
848
    { "log", "s", do_log,
849
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" }, 
850
    { "savevm", "F", do_savevm,
851
      "filename", "save the whole virtual machine state to 'filename'" }, 
852
    { "loadvm", "F", do_loadvm,
853
      "filename", "restore the whole virtual machine state from 'filename'" }, 
854
    { "stop", "", do_stop, 
855
      "", "stop emulation", },
856
    { "c|cont", "", do_cont, 
857
      "", "resume emulation", },
858
#ifdef CONFIG_GDBSTUB
859
    { "gdbserver", "i?", do_gdbserver, 
860
      "[port]", "start gdbserver session (default port=1234)", },
861
#endif
862
    { "x", "/i", do_memory_dump, 
863
      "/fmt addr", "virtual memory dump starting at 'addr'", },
864
    { "xp", "/i", do_physical_memory_dump, 
865
      "/fmt addr", "physical memory dump starting at 'addr'", },
866
    { "p|print", "/i", do_print, 
867
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
868
    { "i", "/ii.", do_ioport_read, 
869
      "/fmt addr", "I/O port read" },
870

    
871
    { "sendkey", "s", do_send_key, 
872
      "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
873
    { "system_reset", "", do_system_reset, 
874
      "", "reset the system" },
875
    { NULL, NULL, }, 
876
};
877

    
878
static term_cmd_t info_cmds[] = {
879
    { "version", "", do_info_version,
880
      "", "show the version of qemu" },
881
    { "network", "", do_info_network,
882
      "", "show the network state" },
883
    { "block", "", do_info_block,
884
      "", "show the block devices" },
885
    { "registers", "", do_info_registers,
886
      "", "show the cpu registers" },
887
    { "history", "", do_info_history,
888
      "", "show the command line history", },
889
    { "irq", "", irq_info,
890
      "", "show the interrupts statistics (if available)", },
891
    { "pic", "", pic_info,
892
      "", "show i8259 (PIC) state", },
893
    { "pci", "", pci_info,
894
      "", "show PCI info", },
895
#if defined(TARGET_I386)
896
    { "tlb", "", tlb_info,
897
      "", "show virtual to physical memory mappings", },
898
    { "mem", "", mem_info,
899
      "", "show the active virtual memory mappings", },
900
#endif
901
    { "jit", "", do_info_jit,
902
      "", "show dynamic compiler info", },
903
    { NULL, NULL, },
904
};
905

    
906
/*******************************************************************/
907

    
908
static const char *pch;
909
static jmp_buf expr_env;
910

    
911
typedef struct MonitorDef {
912
    const char *name;
913
    int offset;
914
    int (*get_value)(struct MonitorDef *md, int val);
915
} MonitorDef;
916

    
917
#if defined(TARGET_I386)
918
static int monitor_get_pc (struct MonitorDef *md, int val)
919
{
920
    return cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base;
921
}
922
#endif
923

    
924
#if defined(TARGET_PPC)
925
static int monitor_get_ccr (struct MonitorDef *md, int val)
926
{
927
    unsigned int u;
928
    int i;
929

    
930
    u = 0;
931
    for (i = 0; i < 8; i++)
932
        u |= cpu_single_env->crf[i] << (32 - (4 * i));
933

    
934
    return u;
935
}
936

    
937
static int monitor_get_msr (struct MonitorDef *md, int val)
938
{
939
    return (cpu_single_env->msr[MSR_POW] << MSR_POW) |
940
        (cpu_single_env->msr[MSR_ILE] << MSR_ILE) |
941
        (cpu_single_env->msr[MSR_EE] << MSR_EE) |
942
        (cpu_single_env->msr[MSR_PR] << MSR_PR) |
943
        (cpu_single_env->msr[MSR_FP] << MSR_FP) |
944
        (cpu_single_env->msr[MSR_ME] << MSR_ME) |
945
        (cpu_single_env->msr[MSR_FE0] << MSR_FE0) |
946
        (cpu_single_env->msr[MSR_SE] << MSR_SE) |
947
        (cpu_single_env->msr[MSR_BE] << MSR_BE) |
948
        (cpu_single_env->msr[MSR_FE1] << MSR_FE1) |
949
        (cpu_single_env->msr[MSR_IP] << MSR_IP) |
950
        (cpu_single_env->msr[MSR_IR] << MSR_IR) |
951
        (cpu_single_env->msr[MSR_DR] << MSR_DR) |
952
        (cpu_single_env->msr[MSR_RI] << MSR_RI) |
953
        (cpu_single_env->msr[MSR_LE] << MSR_LE);
954
}
955

    
956
static int monitor_get_xer (struct MonitorDef *md, int val)
957
{
958
    return (cpu_single_env->xer[XER_SO] << XER_SO) |
959
        (cpu_single_env->xer[XER_OV] << XER_OV) |
960
        (cpu_single_env->xer[XER_CA] << XER_CA) |
961
        (cpu_single_env->xer[XER_BC] << XER_BC);
962
}
963

    
964
static int monitor_get_decr (struct MonitorDef *md, int val)
965
{
966
    return cpu_ppc_load_decr(cpu_single_env);
967
}
968

    
969
static int monitor_get_tbu (struct MonitorDef *md, int val)
970
{
971
    return cpu_ppc_load_tbu(cpu_single_env);
972
}
973

    
974
static int monitor_get_tbl (struct MonitorDef *md, int val)
975
{
976
    return cpu_ppc_load_tbl(cpu_single_env);
977
}
978
#endif
979

    
980
#if defined(TARGET_SPARC)
981
static int monitor_get_psr (struct MonitorDef *md, int val)
982
{
983
    return GET_PSR(cpu_single_env);
984
}
985

    
986
static int monitor_get_reg(struct MonitorDef *md, int val)
987
{
988
    return cpu_single_env->regwptr[val];
989
}
990
#endif
991

    
992
static MonitorDef monitor_defs[] = {
993
#ifdef TARGET_I386
994

    
995
#define SEG(name, seg) \
996
    { name, offsetof(CPUState, segs[seg].selector) },\
997
    { name ".base", offsetof(CPUState, segs[seg].base) },\
998
    { name ".limit", offsetof(CPUState, segs[seg].limit) },
999

    
1000
    { "eax", offsetof(CPUState, regs[0]) },
1001
    { "ecx", offsetof(CPUState, regs[1]) },
1002
    { "edx", offsetof(CPUState, regs[2]) },
1003
    { "ebx", offsetof(CPUState, regs[3]) },
1004
    { "esp|sp", offsetof(CPUState, regs[4]) },
1005
    { "ebp|fp", offsetof(CPUState, regs[5]) },
1006
    { "esi", offsetof(CPUState, regs[6]) },
1007
    { "edi", offsetof(CPUState, regs[7]) },
1008
    { "eflags", offsetof(CPUState, eflags) },
1009
    { "eip", offsetof(CPUState, eip) },
1010
    SEG("cs", R_CS)
1011
    SEG("ds", R_DS)
1012
    SEG("es", R_ES)
1013
    SEG("ss", R_SS)
1014
    SEG("fs", R_FS)
1015
    SEG("gs", R_GS)
1016
    { "pc", 0, monitor_get_pc, },
1017
#elif defined(TARGET_PPC)
1018
    { "r0", offsetof(CPUState, gpr[0]) },
1019
    { "r1", offsetof(CPUState, gpr[1]) },
1020
    { "r2", offsetof(CPUState, gpr[2]) },
1021
    { "r3", offsetof(CPUState, gpr[3]) },
1022
    { "r4", offsetof(CPUState, gpr[4]) },
1023
    { "r5", offsetof(CPUState, gpr[5]) },
1024
    { "r6", offsetof(CPUState, gpr[6]) },
1025
    { "r7", offsetof(CPUState, gpr[7]) },
1026
    { "r8", offsetof(CPUState, gpr[8]) },
1027
    { "r9", offsetof(CPUState, gpr[9]) },
1028
    { "r10", offsetof(CPUState, gpr[10]) },
1029
    { "r11", offsetof(CPUState, gpr[11]) },
1030
    { "r12", offsetof(CPUState, gpr[12]) },
1031
    { "r13", offsetof(CPUState, gpr[13]) },
1032
    { "r14", offsetof(CPUState, gpr[14]) },
1033
    { "r15", offsetof(CPUState, gpr[15]) },
1034
    { "r16", offsetof(CPUState, gpr[16]) },
1035
    { "r17", offsetof(CPUState, gpr[17]) },
1036
    { "r18", offsetof(CPUState, gpr[18]) },
1037
    { "r19", offsetof(CPUState, gpr[19]) },
1038
    { "r20", offsetof(CPUState, gpr[20]) },
1039
    { "r21", offsetof(CPUState, gpr[21]) },
1040
    { "r22", offsetof(CPUState, gpr[22]) },
1041
    { "r23", offsetof(CPUState, gpr[23]) },
1042
    { "r24", offsetof(CPUState, gpr[24]) },
1043
    { "r25", offsetof(CPUState, gpr[25]) },
1044
    { "r26", offsetof(CPUState, gpr[26]) },
1045
    { "r27", offsetof(CPUState, gpr[27]) },
1046
    { "r28", offsetof(CPUState, gpr[28]) },
1047
    { "r29", offsetof(CPUState, gpr[29]) },
1048
    { "r30", offsetof(CPUState, gpr[30]) },
1049
    { "r31", offsetof(CPUState, gpr[31]) },
1050
    { "nip|pc", offsetof(CPUState, nip) },
1051
    { "lr", offsetof(CPUState, lr) },
1052
    { "ctr", offsetof(CPUState, ctr) },
1053
    { "decr", 0, &monitor_get_decr, },
1054
    { "ccr", 0, &monitor_get_ccr, },
1055
    { "msr", 0, &monitor_get_msr, },
1056
    { "xer", 0, &monitor_get_xer, },
1057
    { "tbu", 0, &monitor_get_tbu, },
1058
    { "tbl", 0, &monitor_get_tbl, },
1059
    { "sdr1", offsetof(CPUState, sdr1) },
1060
    { "sr0", offsetof(CPUState, sr[0]) },
1061
    { "sr1", offsetof(CPUState, sr[1]) },
1062
    { "sr2", offsetof(CPUState, sr[2]) },
1063
    { "sr3", offsetof(CPUState, sr[3]) },
1064
    { "sr4", offsetof(CPUState, sr[4]) },
1065
    { "sr5", offsetof(CPUState, sr[5]) },
1066
    { "sr6", offsetof(CPUState, sr[6]) },
1067
    { "sr7", offsetof(CPUState, sr[7]) },
1068
    { "sr8", offsetof(CPUState, sr[8]) },
1069
    { "sr9", offsetof(CPUState, sr[9]) },
1070
    { "sr10", offsetof(CPUState, sr[10]) },
1071
    { "sr11", offsetof(CPUState, sr[11]) },
1072
    { "sr12", offsetof(CPUState, sr[12]) },
1073
    { "sr13", offsetof(CPUState, sr[13]) },
1074
    { "sr14", offsetof(CPUState, sr[14]) },
1075
    { "sr15", offsetof(CPUState, sr[15]) },
1076
    /* Too lazy to put BATs and SPRs ... */
1077
#elif defined(TARGET_SPARC)
1078
    { "g0", offsetof(CPUState, gregs[0]) },
1079
    { "g1", offsetof(CPUState, gregs[1]) },
1080
    { "g2", offsetof(CPUState, gregs[2]) },
1081
    { "g3", offsetof(CPUState, gregs[3]) },
1082
    { "g4", offsetof(CPUState, gregs[4]) },
1083
    { "g5", offsetof(CPUState, gregs[5]) },
1084
    { "g6", offsetof(CPUState, gregs[6]) },
1085
    { "g7", offsetof(CPUState, gregs[7]) },
1086
    { "o0", 0, monitor_get_reg },
1087
    { "o1", 1, monitor_get_reg },
1088
    { "o2", 2, monitor_get_reg },
1089
    { "o3", 3, monitor_get_reg },
1090
    { "o4", 4, monitor_get_reg },
1091
    { "o5", 5, monitor_get_reg },
1092
    { "o6", 6, monitor_get_reg },
1093
    { "o7", 7, monitor_get_reg },
1094
    { "l0", 8, monitor_get_reg },
1095
    { "l1", 9, monitor_get_reg },
1096
    { "l2", 10, monitor_get_reg },
1097
    { "l3", 11, monitor_get_reg },
1098
    { "l4", 12, monitor_get_reg },
1099
    { "l5", 13, monitor_get_reg },
1100
    { "l6", 14, monitor_get_reg },
1101
    { "l7", 15, monitor_get_reg },
1102
    { "i0", 16, monitor_get_reg },
1103
    { "i1", 17, monitor_get_reg },
1104
    { "i2", 18, monitor_get_reg },
1105
    { "i3", 19, monitor_get_reg },
1106
    { "i4", 20, monitor_get_reg },
1107
    { "i5", 21, monitor_get_reg },
1108
    { "i6", 22, monitor_get_reg },
1109
    { "i7", 23, monitor_get_reg },
1110
    { "pc", offsetof(CPUState, pc) },
1111
    { "npc", offsetof(CPUState, npc) },
1112
    { "y", offsetof(CPUState, y) },
1113
    { "psr", 0, &monitor_get_psr, },
1114
    { "wim", offsetof(CPUState, wim) },
1115
    { "tbr", offsetof(CPUState, tbr) },
1116
    { "fsr", offsetof(CPUState, fsr) },
1117
    { "f0", offsetof(CPUState, fpr[0]) },
1118
    { "f1", offsetof(CPUState, fpr[1]) },
1119
    { "f2", offsetof(CPUState, fpr[2]) },
1120
    { "f3", offsetof(CPUState, fpr[3]) },
1121
    { "f4", offsetof(CPUState, fpr[4]) },
1122
    { "f5", offsetof(CPUState, fpr[5]) },
1123
    { "f6", offsetof(CPUState, fpr[6]) },
1124
    { "f7", offsetof(CPUState, fpr[7]) },
1125
    { "f8", offsetof(CPUState, fpr[8]) },
1126
    { "f9", offsetof(CPUState, fpr[9]) },
1127
    { "f10", offsetof(CPUState, fpr[10]) },
1128
    { "f11", offsetof(CPUState, fpr[11]) },
1129
    { "f12", offsetof(CPUState, fpr[12]) },
1130
    { "f13", offsetof(CPUState, fpr[13]) },
1131
    { "f14", offsetof(CPUState, fpr[14]) },
1132
    { "f15", offsetof(CPUState, fpr[15]) },
1133
    { "f16", offsetof(CPUState, fpr[16]) },
1134
    { "f17", offsetof(CPUState, fpr[17]) },
1135
    { "f18", offsetof(CPUState, fpr[18]) },
1136
    { "f19", offsetof(CPUState, fpr[19]) },
1137
    { "f20", offsetof(CPUState, fpr[20]) },
1138
    { "f21", offsetof(CPUState, fpr[21]) },
1139
    { "f22", offsetof(CPUState, fpr[22]) },
1140
    { "f23", offsetof(CPUState, fpr[23]) },
1141
    { "f24", offsetof(CPUState, fpr[24]) },
1142
    { "f25", offsetof(CPUState, fpr[25]) },
1143
    { "f26", offsetof(CPUState, fpr[26]) },
1144
    { "f27", offsetof(CPUState, fpr[27]) },
1145
    { "f28", offsetof(CPUState, fpr[28]) },
1146
    { "f29", offsetof(CPUState, fpr[29]) },
1147
    { "f30", offsetof(CPUState, fpr[30]) },
1148
    { "f31", offsetof(CPUState, fpr[31]) },
1149
#endif
1150
    { NULL },
1151
};
1152

    
1153
static void expr_error(const char *fmt) 
1154
{
1155
    term_printf(fmt);
1156
    term_printf("\n");
1157
    longjmp(expr_env, 1);
1158
}
1159

    
1160
static int get_monitor_def(int *pval, const char *name)
1161
{
1162
    MonitorDef *md;
1163
    for(md = monitor_defs; md->name != NULL; md++) {
1164
        if (compare_cmd(name, md->name)) {
1165
            if (md->get_value) {
1166
                *pval = md->get_value(md, md->offset);
1167
            } else {
1168
                *pval = *(uint32_t *)((uint8_t *)cpu_single_env + md->offset);
1169
            }
1170
            return 0;
1171
        }
1172
    }
1173
    return -1;
1174
}
1175

    
1176
static void next(void)
1177
{
1178
    if (pch != '\0') {
1179
        pch++;
1180
        while (isspace(*pch))
1181
            pch++;
1182
    }
1183
}
1184

    
1185
static int expr_sum(void);
1186

    
1187
static int expr_unary(void)
1188
{
1189
    int n;
1190
    char *p;
1191

    
1192
    switch(*pch) {
1193
    case '+':
1194
        next();
1195
        n = expr_unary();
1196
        break;
1197
    case '-':
1198
        next();
1199
        n = -expr_unary();
1200
        break;
1201
    case '~':
1202
        next();
1203
        n = ~expr_unary();
1204
        break;
1205
    case '(':
1206
        next();
1207
        n = expr_sum();
1208
        if (*pch != ')') {
1209
            expr_error("')' expected");
1210
        }
1211
        next();
1212
        break;
1213
    case '\'':
1214
        pch++;
1215
        if (*pch == '\0')
1216
            expr_error("character constant expected");
1217
        n = *pch;
1218
        pch++;
1219
        if (*pch != '\'')
1220
            expr_error("missing terminating \' character");
1221
        next();
1222
        break;
1223
    case '$':
1224
        {
1225
            char buf[128], *q;
1226
            
1227
            pch++;
1228
            q = buf;
1229
            while ((*pch >= 'a' && *pch <= 'z') ||
1230
                   (*pch >= 'A' && *pch <= 'Z') ||
1231
                   (*pch >= '0' && *pch <= '9') ||
1232
                   *pch == '_' || *pch == '.') {
1233
                if ((q - buf) < sizeof(buf) - 1)
1234
                    *q++ = *pch;
1235
                pch++;
1236
            }
1237
            while (isspace(*pch))
1238
                pch++;
1239
            *q = 0;
1240
            if (get_monitor_def(&n, buf))
1241
                expr_error("unknown register");
1242
        }
1243
        break;
1244
    case '\0':
1245
        expr_error("unexpected end of expression");
1246
        n = 0;
1247
        break;
1248
    default:
1249
        n = strtoul(pch, &p, 0);
1250
        if (pch == p) {
1251
            expr_error("invalid char in expression");
1252
        }
1253
        pch = p;
1254
        while (isspace(*pch))
1255
            pch++;
1256
        break;
1257
    }
1258
    return n;
1259
}
1260

    
1261

    
1262
static int expr_prod(void)
1263
{
1264
    int val, val2, op;
1265

    
1266
    val = expr_unary();
1267
    for(;;) {
1268
        op = *pch;
1269
        if (op != '*' && op != '/' && op != '%')
1270
            break;
1271
        next();
1272
        val2 = expr_unary();
1273
        switch(op) {
1274
        default:
1275
        case '*':
1276
            val *= val2;
1277
            break;
1278
        case '/':
1279
        case '%':
1280
            if (val2 == 0) 
1281
                expr_error("division by zero");
1282
            if (op == '/')
1283
                val /= val2;
1284
            else
1285
                val %= val2;
1286
            break;
1287
        }
1288
    }
1289
    return val;
1290
}
1291

    
1292
static int expr_logic(void)
1293
{
1294
    int val, val2, op;
1295

    
1296
    val = expr_prod();
1297
    for(;;) {
1298
        op = *pch;
1299
        if (op != '&' && op != '|' && op != '^')
1300
            break;
1301
        next();
1302
        val2 = expr_prod();
1303
        switch(op) {
1304
        default:
1305
        case '&':
1306
            val &= val2;
1307
            break;
1308
        case '|':
1309
            val |= val2;
1310
            break;
1311
        case '^':
1312
            val ^= val2;
1313
            break;
1314
        }
1315
    }
1316
    return val;
1317
}
1318

    
1319
static int expr_sum(void)
1320
{
1321
    int val, val2, op;
1322

    
1323
    val = expr_logic();
1324
    for(;;) {
1325
        op = *pch;
1326
        if (op != '+' && op != '-')
1327
            break;
1328
        next();
1329
        val2 = expr_logic();
1330
        if (op == '+')
1331
            val += val2;
1332
        else
1333
            val -= val2;
1334
    }
1335
    return val;
1336
}
1337

    
1338
static int get_expr(int *pval, const char **pp)
1339
{
1340
    pch = *pp;
1341
    if (setjmp(expr_env)) {
1342
        *pp = pch;
1343
        return -1;
1344
    }
1345
    while (isspace(*pch))
1346
        pch++;
1347
    *pval = expr_sum();
1348
    *pp = pch;
1349
    return 0;
1350
}
1351

    
1352
static int get_str(char *buf, int buf_size, const char **pp)
1353
{
1354
    const char *p;
1355
    char *q;
1356
    int c;
1357

    
1358
    q = buf;
1359
    p = *pp;
1360
    while (isspace(*p))
1361
        p++;
1362
    if (*p == '\0') {
1363
    fail:
1364
        *q = '\0';
1365
        *pp = p;
1366
        return -1;
1367
    }
1368
    if (*p == '\"') {
1369
        p++;
1370
        while (*p != '\0' && *p != '\"') {
1371
            if (*p == '\\') {
1372
                p++;
1373
                c = *p++;
1374
                switch(c) {
1375
                case 'n':
1376
                    c = '\n';
1377
                    break;
1378
                case 'r':
1379
                    c = '\r';
1380
                    break;
1381
                case '\\':
1382
                case '\'':
1383
                case '\"':
1384
                    break;
1385
                default:
1386
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
1387
                    goto fail;
1388
                }
1389
                if ((q - buf) < buf_size - 1) {
1390
                    *q++ = c;
1391
                }
1392
            } else {
1393
                if ((q - buf) < buf_size - 1) {
1394
                    *q++ = *p;
1395
                }
1396
                p++;
1397
            }
1398
        }
1399
        if (*p != '\"') {
1400
            qemu_printf("unterminated string\n");
1401
            goto fail;
1402
        }
1403
        p++;
1404
    } else {
1405
        while (*p != '\0' && !isspace(*p)) {
1406
            if ((q - buf) < buf_size - 1) {
1407
                *q++ = *p;
1408
            }
1409
            p++;
1410
        }
1411
    }
1412
    *q = '\0';
1413
    *pp = p;
1414
    return 0;
1415
}
1416

    
1417
static int default_fmt_format = 'x';
1418
static int default_fmt_size = 4;
1419

    
1420
#define MAX_ARGS 16
1421

    
1422
static void monitor_handle_command(const char *cmdline)
1423
{
1424
    const char *p, *pstart, *typestr;
1425
    char *q;
1426
    int c, nb_args, len, i, has_arg;
1427
    term_cmd_t *cmd;
1428
    char cmdname[256];
1429
    char buf[1024];
1430
    void *str_allocated[MAX_ARGS];
1431
    void *args[MAX_ARGS];
1432

    
1433
#ifdef DEBUG
1434
    term_printf("command='%s'\n", cmdline);
1435
#endif
1436
    
1437
    /* extract the command name */
1438
    p = cmdline;
1439
    q = cmdname;
1440
    while (isspace(*p))
1441
        p++;
1442
    if (*p == '\0')
1443
        return;
1444
    pstart = p;
1445
    while (*p != '\0' && *p != '/' && !isspace(*p))
1446
        p++;
1447
    len = p - pstart;
1448
    if (len > sizeof(cmdname) - 1)
1449
        len = sizeof(cmdname) - 1;
1450
    memcpy(cmdname, pstart, len);
1451
    cmdname[len] = '\0';
1452
    
1453
    /* find the command */
1454
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1455
        if (compare_cmd(cmdname, cmd->name)) 
1456
            goto found;
1457
    }
1458
    term_printf("unknown command: '%s'\n", cmdname);
1459
    return;
1460
 found:
1461

    
1462
    for(i = 0; i < MAX_ARGS; i++)
1463
        str_allocated[i] = NULL;
1464
    
1465
    /* parse the parameters */
1466
    typestr = cmd->args_type;
1467
    nb_args = 0;
1468
    for(;;) {
1469
        c = *typestr;
1470
        if (c == '\0')
1471
            break;
1472
        typestr++;
1473
        switch(c) {
1474
        case 'F':
1475
        case 'B':
1476
        case 's':
1477
            {
1478
                int ret;
1479
                char *str;
1480
                
1481
                while (isspace(*p)) 
1482
                    p++;
1483
                if (*typestr == '?') {
1484
                    typestr++;
1485
                    if (*p == '\0') {
1486
                        /* no optional string: NULL argument */
1487
                        str = NULL;
1488
                        goto add_str;
1489
                    }
1490
                }
1491
                ret = get_str(buf, sizeof(buf), &p);
1492
                if (ret < 0) {
1493
                    switch(c) {
1494
                    case 'F':
1495
                        term_printf("%s: filename expected\n", cmdname);
1496
                        break;
1497
                    case 'B':
1498
                        term_printf("%s: block device name expected\n", cmdname);
1499
                        break;
1500
                    default:
1501
                        term_printf("%s: string expected\n", cmdname);
1502
                        break;
1503
                    }
1504
                    goto fail;
1505
                }
1506
                str = qemu_malloc(strlen(buf) + 1);
1507
                strcpy(str, buf);
1508
                str_allocated[nb_args] = str;
1509
            add_str:
1510
                if (nb_args >= MAX_ARGS) {
1511
                error_args:
1512
                    term_printf("%s: too many arguments\n", cmdname);
1513
                    goto fail;
1514
                }
1515
                args[nb_args++] = str;
1516
            }
1517
            break;
1518
        case '/':
1519
            {
1520
                int count, format, size;
1521
                
1522
                while (isspace(*p))
1523
                    p++;
1524
                if (*p == '/') {
1525
                    /* format found */
1526
                    p++;
1527
                    count = 1;
1528
                    if (isdigit(*p)) {
1529
                        count = 0;
1530
                        while (isdigit(*p)) {
1531
                            count = count * 10 + (*p - '0');
1532
                            p++;
1533
                        }
1534
                    }
1535
                    size = -1;
1536
                    format = -1;
1537
                    for(;;) {
1538
                        switch(*p) {
1539
                        case 'o':
1540
                        case 'd':
1541
                        case 'u':
1542
                        case 'x':
1543
                        case 'i':
1544
                        case 'c':
1545
                            format = *p++;
1546
                            break;
1547
                        case 'b':
1548
                            size = 1;
1549
                            p++;
1550
                            break;
1551
                        case 'h':
1552
                            size = 2;
1553
                            p++;
1554
                            break;
1555
                        case 'w':
1556
                            size = 4;
1557
                            p++;
1558
                            break;
1559
                        case 'g':
1560
                        case 'L':
1561
                            size = 8;
1562
                            p++;
1563
                            break;
1564
                        default:
1565
                            goto next;
1566
                        }
1567
                    }
1568
                next:
1569
                    if (*p != '\0' && !isspace(*p)) {
1570
                        term_printf("invalid char in format: '%c'\n", *p);
1571
                        goto fail;
1572
                    }
1573
                    if (format < 0)
1574
                        format = default_fmt_format;
1575
                    if (format != 'i') {
1576
                        /* for 'i', not specifying a size gives -1 as size */
1577
                        if (size < 0)
1578
                            size = default_fmt_size;
1579
                    }
1580
                    default_fmt_size = size;
1581
                    default_fmt_format = format;
1582
                } else {
1583
                    count = 1;
1584
                    format = default_fmt_format;
1585
                    if (format != 'i') {
1586
                        size = default_fmt_size;
1587
                    } else {
1588
                        size = -1;
1589
                    }
1590
                }
1591
                if (nb_args + 3 > MAX_ARGS)
1592
                    goto error_args;
1593
                args[nb_args++] = (void*)count;
1594
                args[nb_args++] = (void*)format;
1595
                args[nb_args++] = (void*)size;
1596
            }
1597
            break;
1598
        case 'i':
1599
            {
1600
                int val;
1601
                while (isspace(*p)) 
1602
                    p++;
1603
                if (*typestr == '?' || *typestr == '.') {
1604
                    typestr++;
1605
                    if (*typestr == '?') {
1606
                        if (*p == '\0')
1607
                            has_arg = 0;
1608
                        else
1609
                            has_arg = 1;
1610
                    } else {
1611
                        if (*p == '.') {
1612
                            p++;
1613
                            while (isspace(*p)) 
1614
                                p++;
1615
                            has_arg = 1;
1616
                        } else {
1617
                            has_arg = 0;
1618
                        }
1619
                    }
1620
                    if (nb_args >= MAX_ARGS)
1621
                        goto error_args;
1622
                    args[nb_args++] = (void *)has_arg;
1623
                    if (!has_arg) {
1624
                        if (nb_args >= MAX_ARGS)
1625
                            goto error_args;
1626
                        val = -1;
1627
                        goto add_num;
1628
                    }
1629
                }
1630
                if (get_expr(&val, &p))
1631
                    goto fail;
1632
            add_num:
1633
                if (nb_args >= MAX_ARGS)
1634
                    goto error_args;
1635
                args[nb_args++] = (void *)val;
1636
            }
1637
            break;
1638
        case '-':
1639
            {
1640
                int has_option;
1641
                /* option */
1642
                
1643
                c = *typestr++;
1644
                if (c == '\0')
1645
                    goto bad_type;
1646
                while (isspace(*p)) 
1647
                    p++;
1648
                has_option = 0;
1649
                if (*p == '-') {
1650
                    p++;
1651
                    if (*p != c) {
1652
                        term_printf("%s: unsupported option -%c\n", 
1653
                                    cmdname, *p);
1654
                        goto fail;
1655
                    }
1656
                    p++;
1657
                    has_option = 1;
1658
                }
1659
                if (nb_args >= MAX_ARGS)
1660
                    goto error_args;
1661
                args[nb_args++] = (void *)has_option;
1662
            }
1663
            break;
1664
        default:
1665
        bad_type:
1666
            term_printf("%s: unknown type '%c'\n", cmdname, c);
1667
            goto fail;
1668
        }
1669
    }
1670
    /* check that all arguments were parsed */
1671
    while (isspace(*p))
1672
        p++;
1673
    if (*p != '\0') {
1674
        term_printf("%s: extraneous characters at the end of line\n", 
1675
                    cmdname);
1676
        goto fail;
1677
    }
1678

    
1679
    switch(nb_args) {
1680
    case 0:
1681
        cmd->handler();
1682
        break;
1683
    case 1:
1684
        cmd->handler(args[0]);
1685
        break;
1686
    case 2:
1687
        cmd->handler(args[0], args[1]);
1688
        break;
1689
    case 3:
1690
        cmd->handler(args[0], args[1], args[2]);
1691
        break;
1692
    case 4:
1693
        cmd->handler(args[0], args[1], args[2], args[3]);
1694
        break;
1695
    case 5:
1696
        cmd->handler(args[0], args[1], args[2], args[3], args[4]);
1697
        break;
1698
    case 6:
1699
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
1700
        break;
1701
    default:
1702
        term_printf("unsupported number of arguments: %d\n", nb_args);
1703
        goto fail;
1704
    }
1705
 fail:
1706
    for(i = 0; i < MAX_ARGS; i++)
1707
        qemu_free(str_allocated[i]);
1708
    return;
1709
}
1710

    
1711
static void cmd_completion(const char *name, const char *list)
1712
{
1713
    const char *p, *pstart;
1714
    char cmd[128];
1715
    int len;
1716

    
1717
    p = list;
1718
    for(;;) {
1719
        pstart = p;
1720
        p = strchr(p, '|');
1721
        if (!p)
1722
            p = pstart + strlen(pstart);
1723
        len = p - pstart;
1724
        if (len > sizeof(cmd) - 2)
1725
            len = sizeof(cmd) - 2;
1726
        memcpy(cmd, pstart, len);
1727
        cmd[len] = '\0';
1728
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
1729
            add_completion(cmd);
1730
        }
1731
        if (*p == '\0')
1732
            break;
1733
        p++;
1734
    }
1735
}
1736

    
1737
static void file_completion(const char *input)
1738
{
1739
    DIR *ffs;
1740
    struct dirent *d;
1741
    char path[1024];
1742
    char file[1024], file_prefix[1024];
1743
    int input_path_len;
1744
    const char *p;
1745

    
1746
    p = strrchr(input, '/'); 
1747
    if (!p) {
1748
        input_path_len = 0;
1749
        pstrcpy(file_prefix, sizeof(file_prefix), input);
1750
        strcpy(path, ".");
1751
    } else {
1752
        input_path_len = p - input + 1;
1753
        memcpy(path, input, input_path_len);
1754
        if (input_path_len > sizeof(path) - 1)
1755
            input_path_len = sizeof(path) - 1;
1756
        path[input_path_len] = '\0';
1757
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
1758
    }
1759
#ifdef DEBUG_COMPLETION
1760
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
1761
#endif
1762
    ffs = opendir(path);
1763
    if (!ffs)
1764
        return;
1765
    for(;;) {
1766
        struct stat sb;
1767
        d = readdir(ffs);
1768
        if (!d)
1769
            break;
1770
        if (strstart(d->d_name, file_prefix, NULL)) {
1771
            memcpy(file, input, input_path_len);
1772
            strcpy(file + input_path_len, d->d_name);
1773
            /* stat the file to find out if it's a directory.
1774
             * In that case add a slash to speed up typing long paths
1775
             */
1776
            stat(file, &sb);
1777
            if(S_ISDIR(sb.st_mode))
1778
                strcat(file, "/");
1779
            add_completion(file);
1780
        }
1781
    }
1782
    closedir(ffs);
1783
}
1784

    
1785
static void block_completion_it(void *opaque, const char *name)
1786
{
1787
    const char *input = opaque;
1788

    
1789
    if (input[0] == '\0' ||
1790
        !strncmp(name, (char *)input, strlen(input))) {
1791
        add_completion(name);
1792
    }
1793
}
1794

    
1795
/* NOTE: this parser is an approximate form of the real command parser */
1796
static void parse_cmdline(const char *cmdline,
1797
                         int *pnb_args, char **args)
1798
{
1799
    const char *p;
1800
    int nb_args, ret;
1801
    char buf[1024];
1802

    
1803
    p = cmdline;
1804
    nb_args = 0;
1805
    for(;;) {
1806
        while (isspace(*p))
1807
            p++;
1808
        if (*p == '\0')
1809
            break;
1810
        if (nb_args >= MAX_ARGS)
1811
            break;
1812
        ret = get_str(buf, sizeof(buf), &p);
1813
        args[nb_args] = qemu_strdup(buf);
1814
        nb_args++;
1815
        if (ret < 0)
1816
            break;
1817
    }
1818
    *pnb_args = nb_args;
1819
}
1820

    
1821
void readline_find_completion(const char *cmdline)
1822
{
1823
    const char *cmdname;
1824
    char *args[MAX_ARGS];
1825
    int nb_args, i, len;
1826
    const char *ptype, *str;
1827
    term_cmd_t *cmd;
1828

    
1829
    parse_cmdline(cmdline, &nb_args, args);
1830
#ifdef DEBUG_COMPLETION
1831
    for(i = 0; i < nb_args; i++) {
1832
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
1833
    }
1834
#endif
1835

    
1836
    /* if the line ends with a space, it means we want to complete the
1837
       next arg */
1838
    len = strlen(cmdline);
1839
    if (len > 0 && isspace(cmdline[len - 1])) {
1840
        if (nb_args >= MAX_ARGS)
1841
            return;
1842
        args[nb_args++] = qemu_strdup("");
1843
    }
1844
    if (nb_args <= 1) {
1845
        /* command completion */
1846
        if (nb_args == 0)
1847
            cmdname = "";
1848
        else
1849
            cmdname = args[0];
1850
        completion_index = strlen(cmdname);
1851
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1852
            cmd_completion(cmdname, cmd->name);
1853
        }
1854
    } else {
1855
        /* find the command */
1856
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1857
            if (compare_cmd(args[0], cmd->name))
1858
                goto found;
1859
        }
1860
        return;
1861
    found:
1862
        ptype = cmd->args_type;
1863
        for(i = 0; i < nb_args - 2; i++) {
1864
            if (*ptype != '\0') {
1865
                ptype++;
1866
                while (*ptype == '?')
1867
                    ptype++;
1868
            }
1869
        }
1870
        str = args[nb_args - 1];
1871
        switch(*ptype) {
1872
        case 'F':
1873
            /* file completion */
1874
            completion_index = strlen(str);
1875
            file_completion(str);
1876
            break;
1877
        case 'B':
1878
            /* block device name completion */
1879
            completion_index = strlen(str);
1880
            bdrv_iterate(block_completion_it, (void *)str);
1881
            break;
1882
        case 's':
1883
            /* XXX: more generic ? */
1884
            if (!strcmp(cmd->name, "info")) {
1885
                completion_index = strlen(str);
1886
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
1887
                    cmd_completion(str, cmd->name);
1888
                }
1889
            }
1890
            break;
1891
        default:
1892
            break;
1893
        }
1894
    }
1895
    for(i = 0; i < nb_args; i++)
1896
        qemu_free(args[i]);
1897
}
1898

    
1899
static int term_can_read(void *opaque)
1900
{
1901
    return 128;
1902
}
1903

    
1904
static void term_read(void *opaque, const uint8_t *buf, int size)
1905
{
1906
    int i;
1907
    for(i = 0; i < size; i++)
1908
        readline_handle_byte(buf[i]);
1909
}
1910

    
1911
static void monitor_start_input(void);
1912

    
1913
static void monitor_handle_command1(void *opaque, const char *cmdline)
1914
{
1915
    monitor_handle_command(cmdline);
1916
    monitor_start_input();
1917
}
1918

    
1919
static void monitor_start_input(void)
1920
{
1921
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
1922
}
1923

    
1924
void monitor_init(CharDriverState *hd, int show_banner)
1925
{
1926
    monitor_hd = hd;
1927
    if (show_banner) {
1928
        term_printf("QEMU %s monitor - type 'help' for more information\n",
1929
                    QEMU_VERSION);
1930
    }
1931
    qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
1932
    monitor_start_input();
1933
}
1934

    
1935
/* XXX: use threads ? */
1936
/* modal monitor readline */
1937
static int monitor_readline_started;
1938
static char *monitor_readline_buf;
1939
static int monitor_readline_buf_size;
1940

    
1941
static void monitor_readline_cb(void *opaque, const char *input)
1942
{
1943
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
1944
    monitor_readline_started = 0;
1945
}
1946

    
1947
void monitor_readline(const char *prompt, int is_password,
1948
                      char *buf, int buf_size)
1949
{
1950
    if (is_password) {
1951
        qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
1952
    }
1953
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
1954
    monitor_readline_buf = buf;
1955
    monitor_readline_buf_size = buf_size;
1956
    monitor_readline_started = 1;
1957
    while (monitor_readline_started) {
1958
        main_loop_wait(10);
1959
    }
1960
}