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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'          32 bit integer
42
 * 'l'          target long (32 or 64 bit)
43
 * '/'          optional gdb-like print format (like "/10x")
44
 *
45
 * '?'          optional type (for 'F', 's' and 'i')
46
 *
47
 */
48

    
49
typedef struct term_cmd_t {
50
    const char *name;
51
    const char *args_type;
52
    void (*handler)();
53
    const char *params;
54
    const char *help;
55
} term_cmd_t;
56

    
57
static CharDriverState *monitor_hd;
58

    
59
static term_cmd_t term_cmds[];
60
static term_cmd_t info_cmds[];
61

    
62
static char term_outbuf[1024];
63
static int term_outbuf_index;
64

    
65
static void monitor_start_input(void);
66

    
67
void term_flush(void)
68
{
69
    if (term_outbuf_index > 0) {
70
        qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
71
        term_outbuf_index = 0;
72
    }
73
}
74

    
75
/* flush at every end of line or if the buffer is full */
76
void term_puts(const char *str)
77
{
78
    int c;
79
    for(;;) {
80
        c = *str++;
81
        if (c == '\0')
82
            break;
83
        term_outbuf[term_outbuf_index++] = c;
84
        if (term_outbuf_index >= sizeof(term_outbuf) ||
85
            c == '\n')
86
            term_flush();
87
    }
88
}
89

    
90
void term_vprintf(const char *fmt, va_list ap)
91
{
92
    char buf[4096];
93
    vsnprintf(buf, sizeof(buf), fmt, ap);
94
    term_puts(buf);
95
}
96

    
97
void term_printf(const char *fmt, ...)
98
{
99
    va_list ap;
100
    va_start(ap, fmt);
101
    term_vprintf(fmt, ap);
102
    va_end(ap);
103
}
104

    
105
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
106
{
107
    va_list ap;
108
    va_start(ap, fmt);
109
    term_vprintf(fmt, ap);
110
    va_end(ap);
111
    return 0;
112
}
113

    
114
static int compare_cmd(const char *name, const char *list)
115
{
116
    const char *p, *pstart;
117
    int len;
118
    len = strlen(name);
119
    p = list;
120
    for(;;) {
121
        pstart = p;
122
        p = strchr(p, '|');
123
        if (!p)
124
            p = pstart + strlen(pstart);
125
        if ((p - pstart) == len && !memcmp(pstart, name, len))
126
            return 1;
127
        if (*p == '\0')
128
            break;
129
        p++;
130
    }
131
    return 0;
132
}
133

    
134
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
135
{
136
    term_cmd_t *cmd;
137

    
138
    for(cmd = cmds; cmd->name != NULL; cmd++) {
139
        if (!name || !strcmp(name, cmd->name))
140
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
141
    }
142
}
143

    
144
static void help_cmd(const char *name)
145
{
146
    if (name && !strcmp(name, "info")) {
147
        help_cmd1(info_cmds, "info ", NULL);
148
    } else {
149
        help_cmd1(term_cmds, "", name);
150
        if (name && !strcmp(name, "log")) {
151
            CPULogItem *item;
152
            term_printf("Log items (comma separated):\n");
153
            term_printf("%-10s %s\n", "none", "remove all logs");
154
            for(item = cpu_log_items; item->mask != 0; item++) {
155
                term_printf("%-10s %s\n", item->name, item->help);
156
            }
157
        }
158
    }
159
}
160

    
161
static void do_help(const char *name)
162
{
163
    help_cmd(name);
164
}
165

    
166
static void do_commit(void)
167
{
168
    int i;
169

    
170
    for (i = 0; i < MAX_DISKS; i++) {
171
        if (bs_table[i]) {
172
            bdrv_commit(bs_table[i]);
173
        }
174
    }
175
}
176

    
177
static void do_info(const char *item)
178
{
179
    term_cmd_t *cmd;
180

    
181
    if (!item)
182
        goto help;
183
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
184
        if (compare_cmd(item, cmd->name)) 
185
            goto found;
186
    }
187
 help:
188
    help_cmd("info");
189
    return;
190
 found:
191
    cmd->handler();
192
}
193

    
194
static void do_info_version(void)
195
{
196
  term_printf("%s\n", QEMU_VERSION);
197
}
198

    
199
static void do_info_network(void)
200
{
201
    int i, j;
202
    NetDriverState *nd;
203
    
204
    for(i = 0; i < nb_nics; i++) {
205
        nd = &nd_table[i];
206
        term_printf("%d: ifname=%s macaddr=", i, nd->ifname);
207
        for(j = 0; j < 6; j++) {
208
            if (j > 0)
209
                term_printf(":");
210
            term_printf("%02x", nd->macaddr[j]);
211
        }
212
        term_printf("\n");
213
    }
214
}
215
 
216
static void do_info_block(void)
217
{
218
    bdrv_info();
219
}
220

    
221
static void do_info_registers(void)
222
{
223
#ifdef TARGET_I386
224
    cpu_dump_state(cpu_single_env, NULL, monitor_fprintf,
225
                   X86_DUMP_FPU | X86_DUMP_CCOP);
226
#else
227
    cpu_dump_state(cpu_single_env, NULL, monitor_fprintf, 
228
                   0);
229
#endif
230
}
231

    
232
static void do_info_jit(void)
233
{
234
    dump_exec_info(NULL, monitor_fprintf);
235
}
236

    
237
static void do_info_history (void)
238
{
239
    int i;
240
    const char *str;
241
    
242
    i = 0;
243
    for(;;) {
244
        str = readline_get_history(i);
245
        if (!str)
246
            break;
247
        term_printf("%d: '%s'\n", i, str);
248
        i++;
249
    }
250
}
251

    
252
static void do_quit(void)
253
{
254
    exit(0);
255
}
256

    
257
static int eject_device(BlockDriverState *bs, int force)
258
{
259
    if (bdrv_is_inserted(bs)) {
260
        if (!force) {
261
            if (!bdrv_is_removable(bs)) {
262
                term_printf("device is not removable\n");
263
                return -1;
264
            }
265
            if (bdrv_is_locked(bs)) {
266
                term_printf("device is locked\n");
267
                return -1;
268
            }
269
        }
270
        bdrv_close(bs);
271
    }
272
    return 0;
273
}
274

    
275
static void do_eject(int force, const char *filename)
276
{
277
    BlockDriverState *bs;
278

    
279
    bs = bdrv_find(filename);
280
    if (!bs) {
281
        term_printf("device not found\n");
282
        return;
283
    }
284
    eject_device(bs, force);
285
}
286

    
287
static void do_change(const char *device, const char *filename)
288
{
289
    BlockDriverState *bs;
290
    int i;
291
    char password[256];
292

    
293
    bs = bdrv_find(device);
294
    if (!bs) {
295
        term_printf("device not found\n");
296
        return;
297
    }
298
    if (eject_device(bs, 0) < 0)
299
        return;
300
    bdrv_open(bs, filename, 0);
301
    if (bdrv_is_encrypted(bs)) {
302
        term_printf("%s is encrypted.\n", device);
303
        for(i = 0; i < 3; i++) {
304
            monitor_readline("Password: ", 1, password, sizeof(password));
305
            if (bdrv_set_key(bs, password) == 0)
306
                break;
307
            term_printf("invalid password\n");
308
        }
309
    }
310
}
311

    
312
static void do_screen_dump(const char *filename)
313
{
314
    vga_screen_dump(filename);
315
}
316

    
317
static void do_log(const char *items)
318
{
319
    int mask;
320
    
321
    if (!strcmp(items, "none")) {
322
        mask = 0;
323
    } else {
324
        mask = cpu_str_to_log_mask(items);
325
        if (!mask) {
326
            help_cmd("log");
327
            return;
328
        }
329
    }
330
    cpu_set_log(mask);
331
}
332

    
333
static void do_savevm(const char *filename)
334
{
335
    if (qemu_savevm(filename) < 0)
336
        term_printf("I/O error when saving VM to '%s'\n", filename);
337
}
338

    
339
static void do_loadvm(const char *filename)
340
{
341
    if (qemu_loadvm(filename) < 0) 
342
        term_printf("I/O error when loading VM from '%s'\n", filename);
343
}
344

    
345
static void do_stop(void)
346
{
347
    vm_stop(EXCP_INTERRUPT);
348
}
349

    
350
static void do_cont(void)
351
{
352
    vm_start();
353
}
354

    
355
#ifdef CONFIG_GDBSTUB
356
static void do_gdbserver(int has_port, int port)
357
{
358
    if (!has_port)
359
        port = DEFAULT_GDBSTUB_PORT;
360
    if (gdbserver_start(port) < 0) {
361
        qemu_printf("Could not open gdbserver socket on port %d\n", port);
362
    } else {
363
        qemu_printf("Waiting gdb connection on port %d\n", port);
364
    }
365
}
366
#endif
367

    
368
static void term_printc(int c)
369
{
370
    term_printf("'");
371
    switch(c) {
372
    case '\'':
373
        term_printf("\\'");
374
        break;
375
    case '\\':
376
        term_printf("\\\\");
377
        break;
378
    case '\n':
379
        term_printf("\\n");
380
        break;
381
    case '\r':
382
        term_printf("\\r");
383
        break;
384
    default:
385
        if (c >= 32 && c <= 126) {
386
            term_printf("%c", c);
387
        } else {
388
            term_printf("\\x%02x", c);
389
        }
390
        break;
391
    }
392
    term_printf("'");
393
}
394

    
395
static void memory_dump(int count, int format, int wsize, 
396
                        target_ulong addr, int is_physical)
397
{
398
    int nb_per_line, l, line_size, i, max_digits, len;
399
    uint8_t buf[16];
400
    uint64_t v;
401

    
402
    if (format == 'i') {
403
        int flags;
404
        flags = 0;
405
#ifdef TARGET_I386
406
        if (wsize == 2) {
407
            flags = 1;
408
        } else if (wsize == 4) {
409
            flags = 0;
410
        } else {
411
            /* as default we use the current CS size */
412
            flags = 0;
413
            if (!(cpu_single_env->segs[R_CS].flags & DESC_B_MASK))
414
                flags = 1;
415
        }
416
#endif
417
        monitor_disas(addr, count, is_physical, flags);
418
        return;
419
    }
420

    
421
    len = wsize * count;
422
    if (wsize == 1)
423
        line_size = 8;
424
    else
425
        line_size = 16;
426
    nb_per_line = line_size / wsize;
427
    max_digits = 0;
428

    
429
    switch(format) {
430
    case 'o':
431
        max_digits = (wsize * 8 + 2) / 3;
432
        break;
433
    default:
434
    case 'x':
435
        max_digits = (wsize * 8) / 4;
436
        break;
437
    case 'u':
438
    case 'd':
439
        max_digits = (wsize * 8 * 10 + 32) / 33;
440
        break;
441
    case 'c':
442
        wsize = 1;
443
        break;
444
    }
445

    
446
    while (len > 0) {
447
        term_printf(TARGET_FMT_lx ":", addr);
448
        l = len;
449
        if (l > line_size)
450
            l = line_size;
451
        if (is_physical) {
452
            cpu_physical_memory_rw(addr, buf, l, 0);
453
        } else {
454
            cpu_memory_rw_debug(cpu_single_env, addr, buf, l, 0);
455
        }
456
        i = 0; 
457
        while (i < l) {
458
            switch(wsize) {
459
            default:
460
            case 1:
461
                v = ldub_raw(buf + i);
462
                break;
463
            case 2:
464
                v = lduw_raw(buf + i);
465
                break;
466
            case 4:
467
                v = (uint32_t)ldl_raw(buf + i);
468
                break;
469
            case 8:
470
                v = ldq_raw(buf + i);
471
                break;
472
            }
473
            term_printf(" ");
474
            switch(format) {
475
            case 'o':
476
                term_printf("%#*llo", max_digits, v);
477
                break;
478
            case 'x':
479
                term_printf("0x%0*llx", max_digits, v);
480
                break;
481
            case 'u':
482
                term_printf("%*llu", max_digits, v);
483
                break;
484
            case 'd':
485
                term_printf("%*lld", max_digits, v);
486
                break;
487
            case 'c':
488
                term_printc(v);
489
                break;
490
            }
491
            i += wsize;
492
        }
493
        term_printf("\n");
494
        addr += l;
495
        len -= l;
496
    }
497
}
498

    
499
#if TARGET_LONG_BITS == 64
500
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
501
#else
502
#define GET_TLONG(h, l) (l)
503
#endif
504

    
505
static void do_memory_dump(int count, int format, int size, 
506
                           uint32_t addrh, uint32_t addrl)
507
{
508
    target_long addr = GET_TLONG(addrh, addrl);
509
    memory_dump(count, format, size, addr, 0);
510
}
511

    
512
static void do_physical_memory_dump(int count, int format, int size,
513
                                    uint32_t addrh, uint32_t addrl)
514

    
515
{
516
    target_long addr = GET_TLONG(addrh, addrl);
517
    memory_dump(count, format, size, addr, 1);
518
}
519

    
520
static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
521
{
522
    target_long val = GET_TLONG(valh, vall);
523
#if TARGET_LONG_BITS == 32
524
    switch(format) {
525
    case 'o':
526
        term_printf("%#o", val);
527
        break;
528
    case 'x':
529
        term_printf("%#x", val);
530
        break;
531
    case 'u':
532
        term_printf("%u", val);
533
        break;
534
    default:
535
    case 'd':
536
        term_printf("%d", val);
537
        break;
538
    case 'c':
539
        term_printc(val);
540
        break;
541
    }
542
#else
543
    switch(format) {
544
    case 'o':
545
        term_printf("%#llo", val);
546
        break;
547
    case 'x':
548
        term_printf("%#llx", val);
549
        break;
550
    case 'u':
551
        term_printf("%llu", val);
552
        break;
553
    default:
554
    case 'd':
555
        term_printf("%lld", val);
556
        break;
557
    case 'c':
558
        term_printc(val);
559
        break;
560
    }
561
#endif
562
    term_printf("\n");
563
}
564

    
565
static void do_sum(uint32_t start, uint32_t size)
566
{
567
    uint32_t addr;
568
    uint8_t buf[1];
569
    uint16_t sum;
570

    
571
    sum = 0;
572
    for(addr = start; addr < (start + size); addr++) {
573
        cpu_physical_memory_rw(addr, buf, 1, 0);
574
        /* BSD sum algorithm ('sum' Unix command) */
575
        sum = (sum >> 1) | (sum << 15);
576
        sum += buf[0];
577
    }
578
    term_printf("%05d\n", sum);
579
}
580

    
581
typedef struct {
582
    int keycode;
583
    const char *name;
584
} KeyDef;
585

    
586
static const KeyDef key_defs[] = {
587
    { 0x2a, "shift" },
588
    { 0x36, "shift_r" },
589
    
590
    { 0x38, "alt" },
591
    { 0xb8, "alt_r" },
592
    { 0x1d, "ctrl" },
593
    { 0x9d, "ctrl_r" },
594

    
595
    { 0xdd, "menu" },
596

    
597
    { 0x01, "esc" },
598

    
599
    { 0x02, "1" },
600
    { 0x03, "2" },
601
    { 0x04, "3" },
602
    { 0x05, "4" },
603
    { 0x06, "5" },
604
    { 0x07, "6" },
605
    { 0x08, "7" },
606
    { 0x09, "8" },
607
    { 0x0a, "9" },
608
    { 0x0b, "0" },
609
    { 0x0e, "backspace" },
610

    
611
    { 0x0f, "tab" },
612
    { 0x10, "q" },
613
    { 0x11, "w" },
614
    { 0x12, "e" },
615
    { 0x13, "r" },
616
    { 0x14, "t" },
617
    { 0x15, "y" },
618
    { 0x16, "u" },
619
    { 0x17, "i" },
620
    { 0x18, "o" },
621
    { 0x19, "p" },
622

    
623
    { 0x1c, "ret" },
624

    
625
    { 0x1e, "a" },
626
    { 0x1f, "s" },
627
    { 0x20, "d" },
628
    { 0x21, "f" },
629
    { 0x22, "g" },
630
    { 0x23, "h" },
631
    { 0x24, "j" },
632
    { 0x25, "k" },
633
    { 0x26, "l" },
634

    
635
    { 0x2c, "z" },
636
    { 0x2d, "x" },
637
    { 0x2e, "c" },
638
    { 0x2f, "v" },
639
    { 0x30, "b" },
640
    { 0x31, "n" },
641
    { 0x32, "m" },
642
    
643
    { 0x39, "spc" },
644
    { 0x3a, "caps_lock" },
645
    { 0x3b, "f1" },
646
    { 0x3c, "f2" },
647
    { 0x3d, "f3" },
648
    { 0x3e, "f4" },
649
    { 0x3f, "f5" },
650
    { 0x40, "f6" },
651
    { 0x41, "f7" },
652
    { 0x42, "f8" },
653
    { 0x43, "f9" },
654
    { 0x44, "f10" },
655
    { 0x45, "num_lock" },
656
    { 0x46, "scroll_lock" },
657

    
658
    { 0x56, "<" },
659

    
660
    { 0x57, "f11" },
661
    { 0x58, "f12" },
662

    
663
    { 0xb7, "print" },
664

    
665
    { 0xc7, "home" },
666
    { 0xc9, "pgup" },
667
    { 0xd1, "pgdn" },
668
    { 0xcf, "end" },
669

    
670
    { 0xcb, "left" },
671
    { 0xc8, "up" },
672
    { 0xd0, "down" },
673
    { 0xcd, "right" },
674

    
675
    { 0xd2, "insert" },
676
    { 0xd3, "delete" },
677
    { 0, NULL },
678
};
679

    
680
static int get_keycode(const char *key)
681
{
682
    const KeyDef *p;
683

    
684
    for(p = key_defs; p->name != NULL; p++) {
685
        if (!strcmp(key, p->name))
686
            return p->keycode;
687
    }
688
    return -1;
689
}
690

    
691
static void do_send_key(const char *string)
692
{
693
    char keybuf[16], *q;
694
    uint8_t keycodes[16];
695
    const char *p;
696
    int nb_keycodes, keycode, i;
697
    
698
    nb_keycodes = 0;
699
    p = string;
700
    while (*p != '\0') {
701
        q = keybuf;
702
        while (*p != '\0' && *p != '-') {
703
            if ((q - keybuf) < sizeof(keybuf) - 1) {
704
                *q++ = *p;
705
            }
706
            p++;
707
        }
708
        *q = '\0';
709
        keycode = get_keycode(keybuf);
710
        if (keycode < 0) {
711
            term_printf("unknown key: '%s'\n", keybuf);
712
            return;
713
        }
714
        keycodes[nb_keycodes++] = keycode;
715
        if (*p == '\0')
716
            break;
717
        p++;
718
    }
719
    /* key down events */
720
    for(i = 0; i < nb_keycodes; i++) {
721
        keycode = keycodes[i];
722
        if (keycode & 0x80)
723
            kbd_put_keycode(0xe0);
724
        kbd_put_keycode(keycode & 0x7f);
725
    }
726
    /* key up events */
727
    for(i = nb_keycodes - 1; i >= 0; i--) {
728
        keycode = keycodes[i];
729
        if (keycode & 0x80)
730
            kbd_put_keycode(0xe0);
731
        kbd_put_keycode(keycode | 0x80);
732
    }
733
}
734

    
735
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
736
{
737
    uint32_t val;
738
    int suffix;
739

    
740
    if (has_index) {
741
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
742
        addr++;
743
    }
744
    addr &= 0xffff;
745

    
746
    switch(size) {
747
    default:
748
    case 1:
749
        val = cpu_inb(NULL, addr);
750
        suffix = 'b';
751
        break;
752
    case 2:
753
        val = cpu_inw(NULL, addr);
754
        suffix = 'w';
755
        break;
756
    case 4:
757
        val = cpu_inl(NULL, addr);
758
        suffix = 'l';
759
        break;
760
    }
761
    term_printf("port%c[0x%04x] = %#0*x\n",
762
                suffix, addr, size * 2, val);
763
}
764

    
765
static void do_system_reset(void)
766
{
767
    qemu_system_reset_request();
768
}
769

    
770
static void do_system_powerdown(void)
771
{
772
    qemu_system_powerdown_request();
773
}
774

    
775
#if defined(TARGET_I386)
776
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
777
{
778
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n", 
779
                addr,
780
                pte & mask,
781
                pte & PG_GLOBAL_MASK ? 'G' : '-',
782
                pte & PG_PSE_MASK ? 'P' : '-',
783
                pte & PG_DIRTY_MASK ? 'D' : '-',
784
                pte & PG_ACCESSED_MASK ? 'A' : '-',
785
                pte & PG_PCD_MASK ? 'C' : '-',
786
                pte & PG_PWT_MASK ? 'T' : '-',
787
                pte & PG_USER_MASK ? 'U' : '-',
788
                pte & PG_RW_MASK ? 'W' : '-');
789
}
790

    
791
static void tlb_info(void)
792
{
793
    CPUState *env = cpu_single_env;
794
    int l1, l2;
795
    uint32_t pgd, pde, pte;
796

    
797
    if (!(env->cr[0] & CR0_PG_MASK)) {
798
        term_printf("PG disabled\n");
799
        return;
800
    }
801
    pgd = env->cr[3] & ~0xfff;
802
    for(l1 = 0; l1 < 1024; l1++) {
803
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
804
        pde = le32_to_cpu(pde);
805
        if (pde & PG_PRESENT_MASK) {
806
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
807
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
808
            } else {
809
                for(l2 = 0; l2 < 1024; l2++) {
810
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
811
                                             (uint8_t *)&pte, 4);
812
                    pte = le32_to_cpu(pte);
813
                    if (pte & PG_PRESENT_MASK) {
814
                        print_pte((l1 << 22) + (l2 << 12), 
815
                                  pte & ~PG_PSE_MASK, 
816
                                  ~0xfff);
817
                    }
818
                }
819
            }
820
        }
821
    }
822
}
823

    
824
static void mem_print(uint32_t *pstart, int *plast_prot, 
825
                      uint32_t end, int prot)
826
{
827
    int prot1;
828
    prot1 = *plast_prot;
829
    if (prot != prot1) {
830
        if (*pstart != -1) {
831
            term_printf("%08x-%08x %08x %c%c%c\n",
832
                        *pstart, end, end - *pstart, 
833
                        prot1 & PG_USER_MASK ? 'u' : '-',
834
                        'r',
835
                        prot1 & PG_RW_MASK ? 'w' : '-');
836
        }
837
        if (prot != 0)
838
            *pstart = end;
839
        else
840
            *pstart = -1;
841
        *plast_prot = prot;
842
    }
843
}
844

    
845
static void mem_info(void)
846
{
847
    CPUState *env = cpu_single_env;
848
    int l1, l2, prot, last_prot;
849
    uint32_t pgd, pde, pte, start, end;
850

    
851
    if (!(env->cr[0] & CR0_PG_MASK)) {
852
        term_printf("PG disabled\n");
853
        return;
854
    }
855
    pgd = env->cr[3] & ~0xfff;
856
    last_prot = 0;
857
    start = -1;
858
    for(l1 = 0; l1 < 1024; l1++) {
859
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
860
        pde = le32_to_cpu(pde);
861
        end = l1 << 22;
862
        if (pde & PG_PRESENT_MASK) {
863
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
864
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
865
                mem_print(&start, &last_prot, end, prot);
866
            } else {
867
                for(l2 = 0; l2 < 1024; l2++) {
868
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
869
                                             (uint8_t *)&pte, 4);
870
                    pte = le32_to_cpu(pte);
871
                    end = (l1 << 22) + (l2 << 12);
872
                    if (pte & PG_PRESENT_MASK) {
873
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
874
                    } else {
875
                        prot = 0;
876
                    }
877
                    mem_print(&start, &last_prot, end, prot);
878
                }
879
            }
880
        } else {
881
            prot = 0;
882
            mem_print(&start, &last_prot, end, prot);
883
        }
884
    }
885
}
886
#endif
887

    
888
static term_cmd_t term_cmds[] = {
889
    { "help|?", "s?", do_help, 
890
      "[cmd]", "show the help" },
891
    { "commit", "", do_commit, 
892
      "", "commit changes to the disk images (if -snapshot is used)" },
893
    { "info", "s?", do_info,
894
      "subcommand", "show various information about the system state" },
895
    { "q|quit", "", do_quit,
896
      "", "quit the emulator" },
897
    { "eject", "-fB", do_eject,
898
      "[-f] device", "eject a removable media (use -f to force it)" },
899
    { "change", "BF", do_change,
900
      "device filename", "change a removable media" },
901
    { "screendump", "F", do_screen_dump, 
902
      "filename", "save screen into PPM image 'filename'" },
903
    { "log", "s", do_log,
904
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" }, 
905
    { "savevm", "F", do_savevm,
906
      "filename", "save the whole virtual machine state to 'filename'" }, 
907
    { "loadvm", "F", do_loadvm,
908
      "filename", "restore the whole virtual machine state from 'filename'" }, 
909
    { "stop", "", do_stop, 
910
      "", "stop emulation", },
911
    { "c|cont", "", do_cont, 
912
      "", "resume emulation", },
913
#ifdef CONFIG_GDBSTUB
914
    { "gdbserver", "i?", do_gdbserver, 
915
      "[port]", "start gdbserver session (default port=1234)", },
916
#endif
917
    { "x", "/l", do_memory_dump, 
918
      "/fmt addr", "virtual memory dump starting at 'addr'", },
919
    { "xp", "/l", do_physical_memory_dump, 
920
      "/fmt addr", "physical memory dump starting at 'addr'", },
921
    { "p|print", "/l", do_print, 
922
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
923
    { "i", "/ii.", do_ioport_read, 
924
      "/fmt addr", "I/O port read" },
925

    
926
    { "sendkey", "s", do_send_key, 
927
      "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
928
    { "system_reset", "", do_system_reset, 
929
      "", "reset the system" },
930
    { "system_powerdown", "", do_system_powerdown, 
931
      "", "send system power down event" },
932
    { "sum", "ii", do_sum, 
933
      "addr size", "compute the checksum of a memory region" },
934
    { NULL, NULL, }, 
935
};
936

    
937
static term_cmd_t info_cmds[] = {
938
    { "version", "", do_info_version,
939
      "", "show the version of qemu" },
940
    { "network", "", do_info_network,
941
      "", "show the network state" },
942
    { "block", "", do_info_block,
943
      "", "show the block devices" },
944
    { "registers", "", do_info_registers,
945
      "", "show the cpu registers" },
946
    { "history", "", do_info_history,
947
      "", "show the command line history", },
948
    { "irq", "", irq_info,
949
      "", "show the interrupts statistics (if available)", },
950
    { "pic", "", pic_info,
951
      "", "show i8259 (PIC) state", },
952
    { "pci", "", pci_info,
953
      "", "show PCI info", },
954
#if defined(TARGET_I386)
955
    { "tlb", "", tlb_info,
956
      "", "show virtual to physical memory mappings", },
957
    { "mem", "", mem_info,
958
      "", "show the active virtual memory mappings", },
959
#endif
960
    { "jit", "", do_info_jit,
961
      "", "show dynamic compiler info", },
962
    { NULL, NULL, },
963
};
964

    
965
/*******************************************************************/
966

    
967
static const char *pch;
968
static jmp_buf expr_env;
969

    
970
#define MD_TLONG 0
971
#define MD_I32   1
972

    
973
typedef struct MonitorDef {
974
    const char *name;
975
    int offset;
976
    target_long (*get_value)(struct MonitorDef *md, int val);
977
    int type;
978
} MonitorDef;
979

    
980
#if defined(TARGET_I386)
981
static target_long monitor_get_pc (struct MonitorDef *md, int val)
982
{
983
    return cpu_single_env->eip + cpu_single_env->segs[R_CS].base;
984
}
985
#endif
986

    
987
#if defined(TARGET_PPC)
988
static target_long monitor_get_ccr (struct MonitorDef *md, int val)
989
{
990
    unsigned int u;
991
    int i;
992

    
993
    u = 0;
994
    for (i = 0; i < 8; i++)
995
        u |= cpu_single_env->crf[i] << (32 - (4 * i));
996

    
997
    return u;
998
}
999

    
1000
static target_long monitor_get_msr (struct MonitorDef *md, int val)
1001
{
1002
    return (cpu_single_env->msr[MSR_POW] << MSR_POW) |
1003
        (cpu_single_env->msr[MSR_ILE] << MSR_ILE) |
1004
        (cpu_single_env->msr[MSR_EE] << MSR_EE) |
1005
        (cpu_single_env->msr[MSR_PR] << MSR_PR) |
1006
        (cpu_single_env->msr[MSR_FP] << MSR_FP) |
1007
        (cpu_single_env->msr[MSR_ME] << MSR_ME) |
1008
        (cpu_single_env->msr[MSR_FE0] << MSR_FE0) |
1009
        (cpu_single_env->msr[MSR_SE] << MSR_SE) |
1010
        (cpu_single_env->msr[MSR_BE] << MSR_BE) |
1011
        (cpu_single_env->msr[MSR_FE1] << MSR_FE1) |
1012
        (cpu_single_env->msr[MSR_IP] << MSR_IP) |
1013
        (cpu_single_env->msr[MSR_IR] << MSR_IR) |
1014
        (cpu_single_env->msr[MSR_DR] << MSR_DR) |
1015
        (cpu_single_env->msr[MSR_RI] << MSR_RI) |
1016
        (cpu_single_env->msr[MSR_LE] << MSR_LE);
1017
}
1018

    
1019
static target_long monitor_get_xer (struct MonitorDef *md, int val)
1020
{
1021
    return (cpu_single_env->xer[XER_SO] << XER_SO) |
1022
        (cpu_single_env->xer[XER_OV] << XER_OV) |
1023
        (cpu_single_env->xer[XER_CA] << XER_CA) |
1024
        (cpu_single_env->xer[XER_BC] << XER_BC);
1025
}
1026

    
1027
static target_long monitor_get_decr (struct MonitorDef *md, int val)
1028
{
1029
    return cpu_ppc_load_decr(cpu_single_env);
1030
}
1031

    
1032
static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1033
{
1034
    return cpu_ppc_load_tbu(cpu_single_env);
1035
}
1036

    
1037
static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1038
{
1039
    return cpu_ppc_load_tbl(cpu_single_env);
1040
}
1041
#endif
1042

    
1043
#if defined(TARGET_SPARC)
1044
static target_long monitor_get_psr (struct MonitorDef *md, int val)
1045
{
1046
    return GET_PSR(cpu_single_env);
1047
}
1048

    
1049
static target_long monitor_get_reg(struct MonitorDef *md, int val)
1050
{
1051
    return cpu_single_env->regwptr[val];
1052
}
1053
#endif
1054

    
1055
static MonitorDef monitor_defs[] = {
1056
#ifdef TARGET_I386
1057

    
1058
#define SEG(name, seg) \
1059
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1060
    { name ".base", offsetof(CPUState, segs[seg].base) },\
1061
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1062

    
1063
    { "eax", offsetof(CPUState, regs[0]) },
1064
    { "ecx", offsetof(CPUState, regs[1]) },
1065
    { "edx", offsetof(CPUState, regs[2]) },
1066
    { "ebx", offsetof(CPUState, regs[3]) },
1067
    { "esp|sp", offsetof(CPUState, regs[4]) },
1068
    { "ebp|fp", offsetof(CPUState, regs[5]) },
1069
    { "esi", offsetof(CPUState, regs[6]) },
1070
    { "edi", offsetof(CPUState, regs[7]) },
1071
#ifdef TARGET_X86_64
1072
    { "r8", offsetof(CPUState, regs[8]) },
1073
    { "r9", offsetof(CPUState, regs[9]) },
1074
    { "r10", offsetof(CPUState, regs[10]) },
1075
    { "r11", offsetof(CPUState, regs[11]) },
1076
    { "r12", offsetof(CPUState, regs[12]) },
1077
    { "r13", offsetof(CPUState, regs[13]) },
1078
    { "r14", offsetof(CPUState, regs[14]) },
1079
    { "r15", offsetof(CPUState, regs[15]) },
1080
#endif
1081
    { "eflags", offsetof(CPUState, eflags) },
1082
    { "eip", offsetof(CPUState, eip) },
1083
    SEG("cs", R_CS)
1084
    SEG("ds", R_DS)
1085
    SEG("es", R_ES)
1086
    SEG("ss", R_SS)
1087
    SEG("fs", R_FS)
1088
    SEG("gs", R_GS)
1089
    { "pc", 0, monitor_get_pc, },
1090
#elif defined(TARGET_PPC)
1091
    { "r0", offsetof(CPUState, gpr[0]) },
1092
    { "r1", offsetof(CPUState, gpr[1]) },
1093
    { "r2", offsetof(CPUState, gpr[2]) },
1094
    { "r3", offsetof(CPUState, gpr[3]) },
1095
    { "r4", offsetof(CPUState, gpr[4]) },
1096
    { "r5", offsetof(CPUState, gpr[5]) },
1097
    { "r6", offsetof(CPUState, gpr[6]) },
1098
    { "r7", offsetof(CPUState, gpr[7]) },
1099
    { "r8", offsetof(CPUState, gpr[8]) },
1100
    { "r9", offsetof(CPUState, gpr[9]) },
1101
    { "r10", offsetof(CPUState, gpr[10]) },
1102
    { "r11", offsetof(CPUState, gpr[11]) },
1103
    { "r12", offsetof(CPUState, gpr[12]) },
1104
    { "r13", offsetof(CPUState, gpr[13]) },
1105
    { "r14", offsetof(CPUState, gpr[14]) },
1106
    { "r15", offsetof(CPUState, gpr[15]) },
1107
    { "r16", offsetof(CPUState, gpr[16]) },
1108
    { "r17", offsetof(CPUState, gpr[17]) },
1109
    { "r18", offsetof(CPUState, gpr[18]) },
1110
    { "r19", offsetof(CPUState, gpr[19]) },
1111
    { "r20", offsetof(CPUState, gpr[20]) },
1112
    { "r21", offsetof(CPUState, gpr[21]) },
1113
    { "r22", offsetof(CPUState, gpr[22]) },
1114
    { "r23", offsetof(CPUState, gpr[23]) },
1115
    { "r24", offsetof(CPUState, gpr[24]) },
1116
    { "r25", offsetof(CPUState, gpr[25]) },
1117
    { "r26", offsetof(CPUState, gpr[26]) },
1118
    { "r27", offsetof(CPUState, gpr[27]) },
1119
    { "r28", offsetof(CPUState, gpr[28]) },
1120
    { "r29", offsetof(CPUState, gpr[29]) },
1121
    { "r30", offsetof(CPUState, gpr[30]) },
1122
    { "r31", offsetof(CPUState, gpr[31]) },
1123
    { "nip|pc", offsetof(CPUState, nip) },
1124
    { "lr", offsetof(CPUState, lr) },
1125
    { "ctr", offsetof(CPUState, ctr) },
1126
    { "decr", 0, &monitor_get_decr, },
1127
    { "ccr", 0, &monitor_get_ccr, },
1128
    { "msr", 0, &monitor_get_msr, },
1129
    { "xer", 0, &monitor_get_xer, },
1130
    { "tbu", 0, &monitor_get_tbu, },
1131
    { "tbl", 0, &monitor_get_tbl, },
1132
    { "sdr1", offsetof(CPUState, sdr1) },
1133
    { "sr0", offsetof(CPUState, sr[0]) },
1134
    { "sr1", offsetof(CPUState, sr[1]) },
1135
    { "sr2", offsetof(CPUState, sr[2]) },
1136
    { "sr3", offsetof(CPUState, sr[3]) },
1137
    { "sr4", offsetof(CPUState, sr[4]) },
1138
    { "sr5", offsetof(CPUState, sr[5]) },
1139
    { "sr6", offsetof(CPUState, sr[6]) },
1140
    { "sr7", offsetof(CPUState, sr[7]) },
1141
    { "sr8", offsetof(CPUState, sr[8]) },
1142
    { "sr9", offsetof(CPUState, sr[9]) },
1143
    { "sr10", offsetof(CPUState, sr[10]) },
1144
    { "sr11", offsetof(CPUState, sr[11]) },
1145
    { "sr12", offsetof(CPUState, sr[12]) },
1146
    { "sr13", offsetof(CPUState, sr[13]) },
1147
    { "sr14", offsetof(CPUState, sr[14]) },
1148
    { "sr15", offsetof(CPUState, sr[15]) },
1149
    /* Too lazy to put BATs and SPRs ... */
1150
#elif defined(TARGET_SPARC)
1151
    { "g0", offsetof(CPUState, gregs[0]) },
1152
    { "g1", offsetof(CPUState, gregs[1]) },
1153
    { "g2", offsetof(CPUState, gregs[2]) },
1154
    { "g3", offsetof(CPUState, gregs[3]) },
1155
    { "g4", offsetof(CPUState, gregs[4]) },
1156
    { "g5", offsetof(CPUState, gregs[5]) },
1157
    { "g6", offsetof(CPUState, gregs[6]) },
1158
    { "g7", offsetof(CPUState, gregs[7]) },
1159
    { "o0", 0, monitor_get_reg },
1160
    { "o1", 1, monitor_get_reg },
1161
    { "o2", 2, monitor_get_reg },
1162
    { "o3", 3, monitor_get_reg },
1163
    { "o4", 4, monitor_get_reg },
1164
    { "o5", 5, monitor_get_reg },
1165
    { "o6", 6, monitor_get_reg },
1166
    { "o7", 7, monitor_get_reg },
1167
    { "l0", 8, monitor_get_reg },
1168
    { "l1", 9, monitor_get_reg },
1169
    { "l2", 10, monitor_get_reg },
1170
    { "l3", 11, monitor_get_reg },
1171
    { "l4", 12, monitor_get_reg },
1172
    { "l5", 13, monitor_get_reg },
1173
    { "l6", 14, monitor_get_reg },
1174
    { "l7", 15, monitor_get_reg },
1175
    { "i0", 16, monitor_get_reg },
1176
    { "i1", 17, monitor_get_reg },
1177
    { "i2", 18, monitor_get_reg },
1178
    { "i3", 19, monitor_get_reg },
1179
    { "i4", 20, monitor_get_reg },
1180
    { "i5", 21, monitor_get_reg },
1181
    { "i6", 22, monitor_get_reg },
1182
    { "i7", 23, monitor_get_reg },
1183
    { "pc", offsetof(CPUState, pc) },
1184
    { "npc", offsetof(CPUState, npc) },
1185
    { "y", offsetof(CPUState, y) },
1186
    { "psr", 0, &monitor_get_psr, },
1187
    { "wim", offsetof(CPUState, wim) },
1188
    { "tbr", offsetof(CPUState, tbr) },
1189
    { "fsr", offsetof(CPUState, fsr) },
1190
    { "f0", offsetof(CPUState, fpr[0]) },
1191
    { "f1", offsetof(CPUState, fpr[1]) },
1192
    { "f2", offsetof(CPUState, fpr[2]) },
1193
    { "f3", offsetof(CPUState, fpr[3]) },
1194
    { "f4", offsetof(CPUState, fpr[4]) },
1195
    { "f5", offsetof(CPUState, fpr[5]) },
1196
    { "f6", offsetof(CPUState, fpr[6]) },
1197
    { "f7", offsetof(CPUState, fpr[7]) },
1198
    { "f8", offsetof(CPUState, fpr[8]) },
1199
    { "f9", offsetof(CPUState, fpr[9]) },
1200
    { "f10", offsetof(CPUState, fpr[10]) },
1201
    { "f11", offsetof(CPUState, fpr[11]) },
1202
    { "f12", offsetof(CPUState, fpr[12]) },
1203
    { "f13", offsetof(CPUState, fpr[13]) },
1204
    { "f14", offsetof(CPUState, fpr[14]) },
1205
    { "f15", offsetof(CPUState, fpr[15]) },
1206
    { "f16", offsetof(CPUState, fpr[16]) },
1207
    { "f17", offsetof(CPUState, fpr[17]) },
1208
    { "f18", offsetof(CPUState, fpr[18]) },
1209
    { "f19", offsetof(CPUState, fpr[19]) },
1210
    { "f20", offsetof(CPUState, fpr[20]) },
1211
    { "f21", offsetof(CPUState, fpr[21]) },
1212
    { "f22", offsetof(CPUState, fpr[22]) },
1213
    { "f23", offsetof(CPUState, fpr[23]) },
1214
    { "f24", offsetof(CPUState, fpr[24]) },
1215
    { "f25", offsetof(CPUState, fpr[25]) },
1216
    { "f26", offsetof(CPUState, fpr[26]) },
1217
    { "f27", offsetof(CPUState, fpr[27]) },
1218
    { "f28", offsetof(CPUState, fpr[28]) },
1219
    { "f29", offsetof(CPUState, fpr[29]) },
1220
    { "f30", offsetof(CPUState, fpr[30]) },
1221
    { "f31", offsetof(CPUState, fpr[31]) },
1222
#endif
1223
    { NULL },
1224
};
1225

    
1226
static void expr_error(const char *fmt) 
1227
{
1228
    term_printf(fmt);
1229
    term_printf("\n");
1230
    longjmp(expr_env, 1);
1231
}
1232

    
1233
static int get_monitor_def(target_long *pval, const char *name)
1234
{
1235
    MonitorDef *md;
1236
    void *ptr;
1237

    
1238
    for(md = monitor_defs; md->name != NULL; md++) {
1239
        if (compare_cmd(name, md->name)) {
1240
            if (md->get_value) {
1241
                *pval = md->get_value(md, md->offset);
1242
            } else {
1243
                ptr = (uint8_t *)cpu_single_env + md->offset;
1244
                switch(md->type) {
1245
                case MD_I32:
1246
                    *pval = *(int32_t *)ptr;
1247
                    break;
1248
                case MD_TLONG:
1249
                    *pval = *(target_long *)ptr;
1250
                    break;
1251
                default:
1252
                    *pval = 0;
1253
                    break;
1254
                }
1255
            }
1256
            return 0;
1257
        }
1258
    }
1259
    return -1;
1260
}
1261

    
1262
static void next(void)
1263
{
1264
    if (pch != '\0') {
1265
        pch++;
1266
        while (isspace(*pch))
1267
            pch++;
1268
    }
1269
}
1270

    
1271
static target_long expr_sum(void);
1272

    
1273
static target_long expr_unary(void)
1274
{
1275
    target_long n;
1276
    char *p;
1277

    
1278
    switch(*pch) {
1279
    case '+':
1280
        next();
1281
        n = expr_unary();
1282
        break;
1283
    case '-':
1284
        next();
1285
        n = -expr_unary();
1286
        break;
1287
    case '~':
1288
        next();
1289
        n = ~expr_unary();
1290
        break;
1291
    case '(':
1292
        next();
1293
        n = expr_sum();
1294
        if (*pch != ')') {
1295
            expr_error("')' expected");
1296
        }
1297
        next();
1298
        break;
1299
    case '\'':
1300
        pch++;
1301
        if (*pch == '\0')
1302
            expr_error("character constant expected");
1303
        n = *pch;
1304
        pch++;
1305
        if (*pch != '\'')
1306
            expr_error("missing terminating \' character");
1307
        next();
1308
        break;
1309
    case '$':
1310
        {
1311
            char buf[128], *q;
1312
            
1313
            pch++;
1314
            q = buf;
1315
            while ((*pch >= 'a' && *pch <= 'z') ||
1316
                   (*pch >= 'A' && *pch <= 'Z') ||
1317
                   (*pch >= '0' && *pch <= '9') ||
1318
                   *pch == '_' || *pch == '.') {
1319
                if ((q - buf) < sizeof(buf) - 1)
1320
                    *q++ = *pch;
1321
                pch++;
1322
            }
1323
            while (isspace(*pch))
1324
                pch++;
1325
            *q = 0;
1326
            if (get_monitor_def(&n, buf))
1327
                expr_error("unknown register");
1328
        }
1329
        break;
1330
    case '\0':
1331
        expr_error("unexpected end of expression");
1332
        n = 0;
1333
        break;
1334
    default:
1335
        n = strtoul(pch, &p, 0);
1336
        if (pch == p) {
1337
            expr_error("invalid char in expression");
1338
        }
1339
        pch = p;
1340
        while (isspace(*pch))
1341
            pch++;
1342
        break;
1343
    }
1344
    return n;
1345
}
1346

    
1347

    
1348
static target_long expr_prod(void)
1349
{
1350
    target_long val, val2;
1351
    int op;
1352
    
1353
    val = expr_unary();
1354
    for(;;) {
1355
        op = *pch;
1356
        if (op != '*' && op != '/' && op != '%')
1357
            break;
1358
        next();
1359
        val2 = expr_unary();
1360
        switch(op) {
1361
        default:
1362
        case '*':
1363
            val *= val2;
1364
            break;
1365
        case '/':
1366
        case '%':
1367
            if (val2 == 0) 
1368
                expr_error("division by zero");
1369
            if (op == '/')
1370
                val /= val2;
1371
            else
1372
                val %= val2;
1373
            break;
1374
        }
1375
    }
1376
    return val;
1377
}
1378

    
1379
static target_long expr_logic(void)
1380
{
1381
    target_long val, val2;
1382
    int op;
1383

    
1384
    val = expr_prod();
1385
    for(;;) {
1386
        op = *pch;
1387
        if (op != '&' && op != '|' && op != '^')
1388
            break;
1389
        next();
1390
        val2 = expr_prod();
1391
        switch(op) {
1392
        default:
1393
        case '&':
1394
            val &= val2;
1395
            break;
1396
        case '|':
1397
            val |= val2;
1398
            break;
1399
        case '^':
1400
            val ^= val2;
1401
            break;
1402
        }
1403
    }
1404
    return val;
1405
}
1406

    
1407
static target_long expr_sum(void)
1408
{
1409
    target_long val, val2;
1410
    int op;
1411

    
1412
    val = expr_logic();
1413
    for(;;) {
1414
        op = *pch;
1415
        if (op != '+' && op != '-')
1416
            break;
1417
        next();
1418
        val2 = expr_logic();
1419
        if (op == '+')
1420
            val += val2;
1421
        else
1422
            val -= val2;
1423
    }
1424
    return val;
1425
}
1426

    
1427
static int get_expr(target_long *pval, const char **pp)
1428
{
1429
    pch = *pp;
1430
    if (setjmp(expr_env)) {
1431
        *pp = pch;
1432
        return -1;
1433
    }
1434
    while (isspace(*pch))
1435
        pch++;
1436
    *pval = expr_sum();
1437
    *pp = pch;
1438
    return 0;
1439
}
1440

    
1441
static int get_str(char *buf, int buf_size, const char **pp)
1442
{
1443
    const char *p;
1444
    char *q;
1445
    int c;
1446

    
1447
    q = buf;
1448
    p = *pp;
1449
    while (isspace(*p))
1450
        p++;
1451
    if (*p == '\0') {
1452
    fail:
1453
        *q = '\0';
1454
        *pp = p;
1455
        return -1;
1456
    }
1457
    if (*p == '\"') {
1458
        p++;
1459
        while (*p != '\0' && *p != '\"') {
1460
            if (*p == '\\') {
1461
                p++;
1462
                c = *p++;
1463
                switch(c) {
1464
                case 'n':
1465
                    c = '\n';
1466
                    break;
1467
                case 'r':
1468
                    c = '\r';
1469
                    break;
1470
                case '\\':
1471
                case '\'':
1472
                case '\"':
1473
                    break;
1474
                default:
1475
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
1476
                    goto fail;
1477
                }
1478
                if ((q - buf) < buf_size - 1) {
1479
                    *q++ = c;
1480
                }
1481
            } else {
1482
                if ((q - buf) < buf_size - 1) {
1483
                    *q++ = *p;
1484
                }
1485
                p++;
1486
            }
1487
        }
1488
        if (*p != '\"') {
1489
            qemu_printf("unterminated string\n");
1490
            goto fail;
1491
        }
1492
        p++;
1493
    } else {
1494
        while (*p != '\0' && !isspace(*p)) {
1495
            if ((q - buf) < buf_size - 1) {
1496
                *q++ = *p;
1497
            }
1498
            p++;
1499
        }
1500
    }
1501
    *q = '\0';
1502
    *pp = p;
1503
    return 0;
1504
}
1505

    
1506
static int default_fmt_format = 'x';
1507
static int default_fmt_size = 4;
1508

    
1509
#define MAX_ARGS 16
1510

    
1511
static void monitor_handle_command(const char *cmdline)
1512
{
1513
    const char *p, *pstart, *typestr;
1514
    char *q;
1515
    int c, nb_args, len, i, has_arg;
1516
    term_cmd_t *cmd;
1517
    char cmdname[256];
1518
    char buf[1024];
1519
    void *str_allocated[MAX_ARGS];
1520
    void *args[MAX_ARGS];
1521

    
1522
#ifdef DEBUG
1523
    term_printf("command='%s'\n", cmdline);
1524
#endif
1525
    
1526
    /* extract the command name */
1527
    p = cmdline;
1528
    q = cmdname;
1529
    while (isspace(*p))
1530
        p++;
1531
    if (*p == '\0')
1532
        return;
1533
    pstart = p;
1534
    while (*p != '\0' && *p != '/' && !isspace(*p))
1535
        p++;
1536
    len = p - pstart;
1537
    if (len > sizeof(cmdname) - 1)
1538
        len = sizeof(cmdname) - 1;
1539
    memcpy(cmdname, pstart, len);
1540
    cmdname[len] = '\0';
1541
    
1542
    /* find the command */
1543
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1544
        if (compare_cmd(cmdname, cmd->name)) 
1545
            goto found;
1546
    }
1547
    term_printf("unknown command: '%s'\n", cmdname);
1548
    return;
1549
 found:
1550

    
1551
    for(i = 0; i < MAX_ARGS; i++)
1552
        str_allocated[i] = NULL;
1553
    
1554
    /* parse the parameters */
1555
    typestr = cmd->args_type;
1556
    nb_args = 0;
1557
    for(;;) {
1558
        c = *typestr;
1559
        if (c == '\0')
1560
            break;
1561
        typestr++;
1562
        switch(c) {
1563
        case 'F':
1564
        case 'B':
1565
        case 's':
1566
            {
1567
                int ret;
1568
                char *str;
1569
                
1570
                while (isspace(*p)) 
1571
                    p++;
1572
                if (*typestr == '?') {
1573
                    typestr++;
1574
                    if (*p == '\0') {
1575
                        /* no optional string: NULL argument */
1576
                        str = NULL;
1577
                        goto add_str;
1578
                    }
1579
                }
1580
                ret = get_str(buf, sizeof(buf), &p);
1581
                if (ret < 0) {
1582
                    switch(c) {
1583
                    case 'F':
1584
                        term_printf("%s: filename expected\n", cmdname);
1585
                        break;
1586
                    case 'B':
1587
                        term_printf("%s: block device name expected\n", cmdname);
1588
                        break;
1589
                    default:
1590
                        term_printf("%s: string expected\n", cmdname);
1591
                        break;
1592
                    }
1593
                    goto fail;
1594
                }
1595
                str = qemu_malloc(strlen(buf) + 1);
1596
                strcpy(str, buf);
1597
                str_allocated[nb_args] = str;
1598
            add_str:
1599
                if (nb_args >= MAX_ARGS) {
1600
                error_args:
1601
                    term_printf("%s: too many arguments\n", cmdname);
1602
                    goto fail;
1603
                }
1604
                args[nb_args++] = str;
1605
            }
1606
            break;
1607
        case '/':
1608
            {
1609
                int count, format, size;
1610
                
1611
                while (isspace(*p))
1612
                    p++;
1613
                if (*p == '/') {
1614
                    /* format found */
1615
                    p++;
1616
                    count = 1;
1617
                    if (isdigit(*p)) {
1618
                        count = 0;
1619
                        while (isdigit(*p)) {
1620
                            count = count * 10 + (*p - '0');
1621
                            p++;
1622
                        }
1623
                    }
1624
                    size = -1;
1625
                    format = -1;
1626
                    for(;;) {
1627
                        switch(*p) {
1628
                        case 'o':
1629
                        case 'd':
1630
                        case 'u':
1631
                        case 'x':
1632
                        case 'i':
1633
                        case 'c':
1634
                            format = *p++;
1635
                            break;
1636
                        case 'b':
1637
                            size = 1;
1638
                            p++;
1639
                            break;
1640
                        case 'h':
1641
                            size = 2;
1642
                            p++;
1643
                            break;
1644
                        case 'w':
1645
                            size = 4;
1646
                            p++;
1647
                            break;
1648
                        case 'g':
1649
                        case 'L':
1650
                            size = 8;
1651
                            p++;
1652
                            break;
1653
                        default:
1654
                            goto next;
1655
                        }
1656
                    }
1657
                next:
1658
                    if (*p != '\0' && !isspace(*p)) {
1659
                        term_printf("invalid char in format: '%c'\n", *p);
1660
                        goto fail;
1661
                    }
1662
                    if (format < 0)
1663
                        format = default_fmt_format;
1664
                    if (format != 'i') {
1665
                        /* for 'i', not specifying a size gives -1 as size */
1666
                        if (size < 0)
1667
                            size = default_fmt_size;
1668
                    }
1669
                    default_fmt_size = size;
1670
                    default_fmt_format = format;
1671
                } else {
1672
                    count = 1;
1673
                    format = default_fmt_format;
1674
                    if (format != 'i') {
1675
                        size = default_fmt_size;
1676
                    } else {
1677
                        size = -1;
1678
                    }
1679
                }
1680
                if (nb_args + 3 > MAX_ARGS)
1681
                    goto error_args;
1682
                args[nb_args++] = (void*)count;
1683
                args[nb_args++] = (void*)format;
1684
                args[nb_args++] = (void*)size;
1685
            }
1686
            break;
1687
        case 'i':
1688
        case 'l':
1689
            {
1690
                target_long val;
1691
                while (isspace(*p)) 
1692
                    p++;
1693
                if (*typestr == '?' || *typestr == '.') {
1694
                    typestr++;
1695
                    if (*typestr == '?') {
1696
                        if (*p == '\0')
1697
                            has_arg = 0;
1698
                        else
1699
                            has_arg = 1;
1700
                    } else {
1701
                        if (*p == '.') {
1702
                            p++;
1703
                            while (isspace(*p)) 
1704
                                p++;
1705
                            has_arg = 1;
1706
                        } else {
1707
                            has_arg = 0;
1708
                        }
1709
                    }
1710
                    if (nb_args >= MAX_ARGS)
1711
                        goto error_args;
1712
                    args[nb_args++] = (void *)has_arg;
1713
                    if (!has_arg) {
1714
                        if (nb_args >= MAX_ARGS)
1715
                            goto error_args;
1716
                        val = -1;
1717
                        goto add_num;
1718
                    }
1719
                }
1720
                if (get_expr(&val, &p))
1721
                    goto fail;
1722
            add_num:
1723
                if (c == 'i') {
1724
                    if (nb_args >= MAX_ARGS)
1725
                        goto error_args;
1726
                    args[nb_args++] = (void *)(int)val;
1727
                } else {
1728
                    if ((nb_args + 1) >= MAX_ARGS)
1729
                        goto error_args;
1730
#if TARGET_LONG_BITS == 64
1731
                    args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
1732
#else
1733
                    args[nb_args++] = (void *)0;
1734
#endif
1735
                    args[nb_args++] = (void *)(int)(val & 0xffffffff);
1736
                }
1737
            }
1738
            break;
1739
        case '-':
1740
            {
1741
                int has_option;
1742
                /* option */
1743
                
1744
                c = *typestr++;
1745
                if (c == '\0')
1746
                    goto bad_type;
1747
                while (isspace(*p)) 
1748
                    p++;
1749
                has_option = 0;
1750
                if (*p == '-') {
1751
                    p++;
1752
                    if (*p != c) {
1753
                        term_printf("%s: unsupported option -%c\n", 
1754
                                    cmdname, *p);
1755
                        goto fail;
1756
                    }
1757
                    p++;
1758
                    has_option = 1;
1759
                }
1760
                if (nb_args >= MAX_ARGS)
1761
                    goto error_args;
1762
                args[nb_args++] = (void *)has_option;
1763
            }
1764
            break;
1765
        default:
1766
        bad_type:
1767
            term_printf("%s: unknown type '%c'\n", cmdname, c);
1768
            goto fail;
1769
        }
1770
    }
1771
    /* check that all arguments were parsed */
1772
    while (isspace(*p))
1773
        p++;
1774
    if (*p != '\0') {
1775
        term_printf("%s: extraneous characters at the end of line\n", 
1776
                    cmdname);
1777
        goto fail;
1778
    }
1779

    
1780
    switch(nb_args) {
1781
    case 0:
1782
        cmd->handler();
1783
        break;
1784
    case 1:
1785
        cmd->handler(args[0]);
1786
        break;
1787
    case 2:
1788
        cmd->handler(args[0], args[1]);
1789
        break;
1790
    case 3:
1791
        cmd->handler(args[0], args[1], args[2]);
1792
        break;
1793
    case 4:
1794
        cmd->handler(args[0], args[1], args[2], args[3]);
1795
        break;
1796
    case 5:
1797
        cmd->handler(args[0], args[1], args[2], args[3], args[4]);
1798
        break;
1799
    case 6:
1800
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
1801
        break;
1802
    default:
1803
        term_printf("unsupported number of arguments: %d\n", nb_args);
1804
        goto fail;
1805
    }
1806
 fail:
1807
    for(i = 0; i < MAX_ARGS; i++)
1808
        qemu_free(str_allocated[i]);
1809
    return;
1810
}
1811

    
1812
static void cmd_completion(const char *name, const char *list)
1813
{
1814
    const char *p, *pstart;
1815
    char cmd[128];
1816
    int len;
1817

    
1818
    p = list;
1819
    for(;;) {
1820
        pstart = p;
1821
        p = strchr(p, '|');
1822
        if (!p)
1823
            p = pstart + strlen(pstart);
1824
        len = p - pstart;
1825
        if (len > sizeof(cmd) - 2)
1826
            len = sizeof(cmd) - 2;
1827
        memcpy(cmd, pstart, len);
1828
        cmd[len] = '\0';
1829
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
1830
            add_completion(cmd);
1831
        }
1832
        if (*p == '\0')
1833
            break;
1834
        p++;
1835
    }
1836
}
1837

    
1838
static void file_completion(const char *input)
1839
{
1840
    DIR *ffs;
1841
    struct dirent *d;
1842
    char path[1024];
1843
    char file[1024], file_prefix[1024];
1844
    int input_path_len;
1845
    const char *p;
1846

    
1847
    p = strrchr(input, '/'); 
1848
    if (!p) {
1849
        input_path_len = 0;
1850
        pstrcpy(file_prefix, sizeof(file_prefix), input);
1851
        strcpy(path, ".");
1852
    } else {
1853
        input_path_len = p - input + 1;
1854
        memcpy(path, input, input_path_len);
1855
        if (input_path_len > sizeof(path) - 1)
1856
            input_path_len = sizeof(path) - 1;
1857
        path[input_path_len] = '\0';
1858
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
1859
    }
1860
#ifdef DEBUG_COMPLETION
1861
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
1862
#endif
1863
    ffs = opendir(path);
1864
    if (!ffs)
1865
        return;
1866
    for(;;) {
1867
        struct stat sb;
1868
        d = readdir(ffs);
1869
        if (!d)
1870
            break;
1871
        if (strstart(d->d_name, file_prefix, NULL)) {
1872
            memcpy(file, input, input_path_len);
1873
            strcpy(file + input_path_len, d->d_name);
1874
            /* stat the file to find out if it's a directory.
1875
             * In that case add a slash to speed up typing long paths
1876
             */
1877
            stat(file, &sb);
1878
            if(S_ISDIR(sb.st_mode))
1879
                strcat(file, "/");
1880
            add_completion(file);
1881
        }
1882
    }
1883
    closedir(ffs);
1884
}
1885

    
1886
static void block_completion_it(void *opaque, const char *name)
1887
{
1888
    const char *input = opaque;
1889

    
1890
    if (input[0] == '\0' ||
1891
        !strncmp(name, (char *)input, strlen(input))) {
1892
        add_completion(name);
1893
    }
1894
}
1895

    
1896
/* NOTE: this parser is an approximate form of the real command parser */
1897
static void parse_cmdline(const char *cmdline,
1898
                         int *pnb_args, char **args)
1899
{
1900
    const char *p;
1901
    int nb_args, ret;
1902
    char buf[1024];
1903

    
1904
    p = cmdline;
1905
    nb_args = 0;
1906
    for(;;) {
1907
        while (isspace(*p))
1908
            p++;
1909
        if (*p == '\0')
1910
            break;
1911
        if (nb_args >= MAX_ARGS)
1912
            break;
1913
        ret = get_str(buf, sizeof(buf), &p);
1914
        args[nb_args] = qemu_strdup(buf);
1915
        nb_args++;
1916
        if (ret < 0)
1917
            break;
1918
    }
1919
    *pnb_args = nb_args;
1920
}
1921

    
1922
void readline_find_completion(const char *cmdline)
1923
{
1924
    const char *cmdname;
1925
    char *args[MAX_ARGS];
1926
    int nb_args, i, len;
1927
    const char *ptype, *str;
1928
    term_cmd_t *cmd;
1929

    
1930
    parse_cmdline(cmdline, &nb_args, args);
1931
#ifdef DEBUG_COMPLETION
1932
    for(i = 0; i < nb_args; i++) {
1933
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
1934
    }
1935
#endif
1936

    
1937
    /* if the line ends with a space, it means we want to complete the
1938
       next arg */
1939
    len = strlen(cmdline);
1940
    if (len > 0 && isspace(cmdline[len - 1])) {
1941
        if (nb_args >= MAX_ARGS)
1942
            return;
1943
        args[nb_args++] = qemu_strdup("");
1944
    }
1945
    if (nb_args <= 1) {
1946
        /* command completion */
1947
        if (nb_args == 0)
1948
            cmdname = "";
1949
        else
1950
            cmdname = args[0];
1951
        completion_index = strlen(cmdname);
1952
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1953
            cmd_completion(cmdname, cmd->name);
1954
        }
1955
    } else {
1956
        /* find the command */
1957
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1958
            if (compare_cmd(args[0], cmd->name))
1959
                goto found;
1960
        }
1961
        return;
1962
    found:
1963
        ptype = cmd->args_type;
1964
        for(i = 0; i < nb_args - 2; i++) {
1965
            if (*ptype != '\0') {
1966
                ptype++;
1967
                while (*ptype == '?')
1968
                    ptype++;
1969
            }
1970
        }
1971
        str = args[nb_args - 1];
1972
        switch(*ptype) {
1973
        case 'F':
1974
            /* file completion */
1975
            completion_index = strlen(str);
1976
            file_completion(str);
1977
            break;
1978
        case 'B':
1979
            /* block device name completion */
1980
            completion_index = strlen(str);
1981
            bdrv_iterate(block_completion_it, (void *)str);
1982
            break;
1983
        case 's':
1984
            /* XXX: more generic ? */
1985
            if (!strcmp(cmd->name, "info")) {
1986
                completion_index = strlen(str);
1987
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
1988
                    cmd_completion(str, cmd->name);
1989
                }
1990
            }
1991
            break;
1992
        default:
1993
            break;
1994
        }
1995
    }
1996
    for(i = 0; i < nb_args; i++)
1997
        qemu_free(args[i]);
1998
}
1999

    
2000
static int term_can_read(void *opaque)
2001
{
2002
    return 128;
2003
}
2004

    
2005
static void term_read(void *opaque, const uint8_t *buf, int size)
2006
{
2007
    int i;
2008
    for(i = 0; i < size; i++)
2009
        readline_handle_byte(buf[i]);
2010
}
2011

    
2012
static void monitor_start_input(void);
2013

    
2014
static void monitor_handle_command1(void *opaque, const char *cmdline)
2015
{
2016
    monitor_handle_command(cmdline);
2017
    monitor_start_input();
2018
}
2019

    
2020
static void monitor_start_input(void)
2021
{
2022
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2023
}
2024

    
2025
void monitor_init(CharDriverState *hd, int show_banner)
2026
{
2027
    monitor_hd = hd;
2028
    if (show_banner) {
2029
        term_printf("QEMU %s monitor - type 'help' for more information\n",
2030
                    QEMU_VERSION);
2031
    }
2032
    qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2033
    monitor_start_input();
2034
}
2035

    
2036
/* XXX: use threads ? */
2037
/* modal monitor readline */
2038
static int monitor_readline_started;
2039
static char *monitor_readline_buf;
2040
static int monitor_readline_buf_size;
2041

    
2042
static void monitor_readline_cb(void *opaque, const char *input)
2043
{
2044
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2045
    monitor_readline_started = 0;
2046
}
2047

    
2048
void monitor_readline(const char *prompt, int is_password,
2049
                      char *buf, int buf_size)
2050
{
2051
    if (is_password) {
2052
        qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2053
    }
2054
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
2055
    monitor_readline_buf = buf;
2056
    monitor_readline_buf_size = buf_size;
2057
    monitor_readline_started = 1;
2058
    while (monitor_readline_started) {
2059
        main_loop_wait(10);
2060
    }
2061
}