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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
CPUState *mon_cpu = NULL;
68

    
69
void term_flush(void)
70
{
71
    if (term_outbuf_index > 0) {
72
        qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
73
        term_outbuf_index = 0;
74
    }
75
}
76

    
77
/* flush at every end of line or if the buffer is full */
78
void term_puts(const char *str)
79
{
80
    int c;
81
    for(;;) {
82
        c = *str++;
83
        if (c == '\0')
84
            break;
85
        term_outbuf[term_outbuf_index++] = c;
86
        if (term_outbuf_index >= sizeof(term_outbuf) ||
87
            c == '\n')
88
            term_flush();
89
    }
90
}
91

    
92
void term_vprintf(const char *fmt, va_list ap)
93
{
94
    char buf[4096];
95
    vsnprintf(buf, sizeof(buf), fmt, ap);
96
    term_puts(buf);
97
}
98

    
99
void term_printf(const char *fmt, ...)
100
{
101
    va_list ap;
102
    va_start(ap, fmt);
103
    term_vprintf(fmt, ap);
104
    va_end(ap);
105
}
106

    
107
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
108
{
109
    va_list ap;
110
    va_start(ap, fmt);
111
    term_vprintf(fmt, ap);
112
    va_end(ap);
113
    return 0;
114
}
115

    
116
static int compare_cmd(const char *name, const char *list)
117
{
118
    const char *p, *pstart;
119
    int len;
120
    len = strlen(name);
121
    p = list;
122
    for(;;) {
123
        pstart = p;
124
        p = strchr(p, '|');
125
        if (!p)
126
            p = pstart + strlen(pstart);
127
        if ((p - pstart) == len && !memcmp(pstart, name, len))
128
            return 1;
129
        if (*p == '\0')
130
            break;
131
        p++;
132
    }
133
    return 0;
134
}
135

    
136
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
137
{
138
    term_cmd_t *cmd;
139

    
140
    for(cmd = cmds; cmd->name != NULL; cmd++) {
141
        if (!name || !strcmp(name, cmd->name))
142
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
143
    }
144
}
145

    
146
static void help_cmd(const char *name)
147
{
148
    if (name && !strcmp(name, "info")) {
149
        help_cmd1(info_cmds, "info ", NULL);
150
    } else {
151
        help_cmd1(term_cmds, "", name);
152
        if (name && !strcmp(name, "log")) {
153
            CPULogItem *item;
154
            term_printf("Log items (comma separated):\n");
155
            term_printf("%-10s %s\n", "none", "remove all logs");
156
            for(item = cpu_log_items; item->mask != 0; item++) {
157
                term_printf("%-10s %s\n", item->name, item->help);
158
            }
159
        }
160
    }
161
}
162

    
163
static void do_help(const char *name)
164
{
165
    help_cmd(name);
166
}
167

    
168
static void do_commit(void)
169
{
170
    int i;
171

    
172
    for (i = 0; i < MAX_DISKS; i++) {
173
        if (bs_table[i]) {
174
            bdrv_commit(bs_table[i]);
175
        }
176
    }
177
}
178

    
179
static void do_info(const char *item)
180
{
181
    term_cmd_t *cmd;
182

    
183
    if (!item)
184
        goto help;
185
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
186
        if (compare_cmd(item, cmd->name)) 
187
            goto found;
188
    }
189
 help:
190
    help_cmd("info");
191
    return;
192
 found:
193
    cmd->handler();
194
}
195

    
196
static void do_info_version(void)
197
{
198
  term_printf("%s\n", QEMU_VERSION);
199
}
200

    
201
static void do_info_block(void)
202
{
203
    bdrv_info();
204
}
205

    
206
/* get the current CPU defined by the user */
207
int mon_set_cpu(int cpu_index)
208
{
209
    CPUState *env;
210

    
211
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
212
        if (env->cpu_index == cpu_index) {
213
            mon_cpu = env;
214
            return 0;
215
        }
216
    }
217
    return -1;
218
}
219

    
220
CPUState *mon_get_cpu(void)
221
{
222
    if (!mon_cpu) {
223
        mon_set_cpu(0);
224
    }
225
    return mon_cpu;
226
}
227

    
228
static void do_info_registers(void)
229
{
230
    CPUState *env;
231
    env = mon_get_cpu();
232
    if (!env)
233
        return;
234
#ifdef TARGET_I386
235
    cpu_dump_state(env, NULL, monitor_fprintf,
236
                   X86_DUMP_FPU);
237
#else
238
    cpu_dump_state(env, NULL, monitor_fprintf, 
239
                   0);
240
#endif
241
}
242

    
243
static void do_info_cpus(void)
244
{
245
    CPUState *env;
246

    
247
    /* just to set the default cpu if not already done */
248
    mon_get_cpu();
249

    
250
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
251
        term_printf("%c CPU #%d:", 
252
                    (env == mon_cpu) ? '*' : ' ',
253
                    env->cpu_index);
254
#if defined(TARGET_I386)
255
        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
256
        if (env->hflags & HF_HALTED_MASK)
257
            term_printf(" (halted)");
258
#elif defined(TARGET_PPC)
259
        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
260
        if (env->halted)
261
            term_printf(" (halted)");
262
#elif defined(TARGET_SPARC)
263
        term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
264
        if (env->halted)
265
            term_printf(" (halted)");
266
#endif
267
        term_printf("\n");
268
    }
269
}
270

    
271
static void do_cpu_set(int index)
272
{
273
    if (mon_set_cpu(index) < 0)
274
        term_printf("Invalid CPU index\n");
275
}
276

    
277
static void do_info_jit(void)
278
{
279
    dump_exec_info(NULL, monitor_fprintf);
280
}
281

    
282
static void do_info_history (void)
283
{
284
    int i;
285
    const char *str;
286
    
287
    i = 0;
288
    for(;;) {
289
        str = readline_get_history(i);
290
        if (!str)
291
            break;
292
        term_printf("%d: '%s'\n", i, str);
293
        i++;
294
    }
295
}
296

    
297
static void do_quit(void)
298
{
299
    exit(0);
300
}
301

    
302
static int eject_device(BlockDriverState *bs, int force)
303
{
304
    if (bdrv_is_inserted(bs)) {
305
        if (!force) {
306
            if (!bdrv_is_removable(bs)) {
307
                term_printf("device is not removable\n");
308
                return -1;
309
            }
310
            if (bdrv_is_locked(bs)) {
311
                term_printf("device is locked\n");
312
                return -1;
313
            }
314
        }
315
        bdrv_close(bs);
316
    }
317
    return 0;
318
}
319

    
320
static void do_eject(int force, const char *filename)
321
{
322
    BlockDriverState *bs;
323

    
324
    bs = bdrv_find(filename);
325
    if (!bs) {
326
        term_printf("device not found\n");
327
        return;
328
    }
329
    eject_device(bs, force);
330
}
331

    
332
static void do_change(const char *device, const char *filename)
333
{
334
    BlockDriverState *bs;
335
    int i;
336
    char password[256];
337

    
338
    bs = bdrv_find(device);
339
    if (!bs) {
340
        term_printf("device not found\n");
341
        return;
342
    }
343
    if (eject_device(bs, 0) < 0)
344
        return;
345
    bdrv_open(bs, filename, 0);
346
    if (bdrv_is_encrypted(bs)) {
347
        term_printf("%s is encrypted.\n", device);
348
        for(i = 0; i < 3; i++) {
349
            monitor_readline("Password: ", 1, password, sizeof(password));
350
            if (bdrv_set_key(bs, password) == 0)
351
                break;
352
            term_printf("invalid password\n");
353
        }
354
    }
355
}
356

    
357
static void do_screen_dump(const char *filename)
358
{
359
    vga_hw_screen_dump(filename);
360
}
361

    
362
static void do_log(const char *items)
363
{
364
    int mask;
365
    
366
    if (!strcmp(items, "none")) {
367
        mask = 0;
368
    } else {
369
        mask = cpu_str_to_log_mask(items);
370
        if (!mask) {
371
            help_cmd("log");
372
            return;
373
        }
374
    }
375
    cpu_set_log(mask);
376
}
377

    
378
static void do_savevm(const char *filename)
379
{
380
    if (qemu_savevm(filename) < 0)
381
        term_printf("I/O error when saving VM to '%s'\n", filename);
382
}
383

    
384
static void do_loadvm(const char *filename)
385
{
386
    if (qemu_loadvm(filename) < 0) 
387
        term_printf("I/O error when loading VM from '%s'\n", filename);
388
}
389

    
390
static void do_stop(void)
391
{
392
    vm_stop(EXCP_INTERRUPT);
393
}
394

    
395
static void do_cont(void)
396
{
397
    vm_start();
398
}
399

    
400
#ifdef CONFIG_GDBSTUB
401
static void do_gdbserver(int has_port, int port)
402
{
403
    if (!has_port)
404
        port = DEFAULT_GDBSTUB_PORT;
405
    if (gdbserver_start(port) < 0) {
406
        qemu_printf("Could not open gdbserver socket on port %d\n", port);
407
    } else {
408
        qemu_printf("Waiting gdb connection on port %d\n", port);
409
    }
410
}
411
#endif
412

    
413
static void term_printc(int c)
414
{
415
    term_printf("'");
416
    switch(c) {
417
    case '\'':
418
        term_printf("\\'");
419
        break;
420
    case '\\':
421
        term_printf("\\\\");
422
        break;
423
    case '\n':
424
        term_printf("\\n");
425
        break;
426
    case '\r':
427
        term_printf("\\r");
428
        break;
429
    default:
430
        if (c >= 32 && c <= 126) {
431
            term_printf("%c", c);
432
        } else {
433
            term_printf("\\x%02x", c);
434
        }
435
        break;
436
    }
437
    term_printf("'");
438
}
439

    
440
static void memory_dump(int count, int format, int wsize, 
441
                        target_ulong addr, int is_physical)
442
{
443
    CPUState *env;
444
    int nb_per_line, l, line_size, i, max_digits, len;
445
    uint8_t buf[16];
446
    uint64_t v;
447

    
448
    if (format == 'i') {
449
        int flags;
450
        flags = 0;
451
        env = mon_get_cpu();
452
        if (!env && !is_physical)
453
            return;
454
#ifdef TARGET_I386
455
        if (wsize == 2) {
456
            flags = 1;
457
        } else if (wsize == 4) {
458
            flags = 0;
459
        } else {
460
            /* as default we use the current CS size */
461
            flags = 0;
462
            if (env) {
463
#ifdef TARGET_X86_64
464
                if ((env->efer & MSR_EFER_LMA) && 
465
                    (env->segs[R_CS].flags & DESC_L_MASK))
466
                    flags = 2;
467
                else
468
#endif
469
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
470
                    flags = 1;
471
            }
472
        }
473
#endif
474
        monitor_disas(env, addr, count, is_physical, flags);
475
        return;
476
    }
477

    
478
    len = wsize * count;
479
    if (wsize == 1)
480
        line_size = 8;
481
    else
482
        line_size = 16;
483
    nb_per_line = line_size / wsize;
484
    max_digits = 0;
485

    
486
    switch(format) {
487
    case 'o':
488
        max_digits = (wsize * 8 + 2) / 3;
489
        break;
490
    default:
491
    case 'x':
492
        max_digits = (wsize * 8) / 4;
493
        break;
494
    case 'u':
495
    case 'd':
496
        max_digits = (wsize * 8 * 10 + 32) / 33;
497
        break;
498
    case 'c':
499
        wsize = 1;
500
        break;
501
    }
502

    
503
    while (len > 0) {
504
        term_printf(TARGET_FMT_lx ":", addr);
505
        l = len;
506
        if (l > line_size)
507
            l = line_size;
508
        if (is_physical) {
509
            cpu_physical_memory_rw(addr, buf, l, 0);
510
        } else {
511
            env = mon_get_cpu();
512
            if (!env)
513
                break;
514
            cpu_memory_rw_debug(env, addr, buf, l, 0);
515
        }
516
        i = 0; 
517
        while (i < l) {
518
            switch(wsize) {
519
            default:
520
            case 1:
521
                v = ldub_raw(buf + i);
522
                break;
523
            case 2:
524
                v = lduw_raw(buf + i);
525
                break;
526
            case 4:
527
                v = (uint32_t)ldl_raw(buf + i);
528
                break;
529
            case 8:
530
                v = ldq_raw(buf + i);
531
                break;
532
            }
533
            term_printf(" ");
534
            switch(format) {
535
            case 'o':
536
                term_printf("%#*llo", max_digits, v);
537
                break;
538
            case 'x':
539
                term_printf("0x%0*llx", max_digits, v);
540
                break;
541
            case 'u':
542
                term_printf("%*llu", max_digits, v);
543
                break;
544
            case 'd':
545
                term_printf("%*lld", max_digits, v);
546
                break;
547
            case 'c':
548
                term_printc(v);
549
                break;
550
            }
551
            i += wsize;
552
        }
553
        term_printf("\n");
554
        addr += l;
555
        len -= l;
556
    }
557
}
558

    
559
#if TARGET_LONG_BITS == 64
560
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
561
#else
562
#define GET_TLONG(h, l) (l)
563
#endif
564

    
565
static void do_memory_dump(int count, int format, int size, 
566
                           uint32_t addrh, uint32_t addrl)
567
{
568
    target_long addr = GET_TLONG(addrh, addrl);
569
    memory_dump(count, format, size, addr, 0);
570
}
571

    
572
static void do_physical_memory_dump(int count, int format, int size,
573
                                    uint32_t addrh, uint32_t addrl)
574

    
575
{
576
    target_long addr = GET_TLONG(addrh, addrl);
577
    memory_dump(count, format, size, addr, 1);
578
}
579

    
580
static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
581
{
582
    target_long val = GET_TLONG(valh, vall);
583
#if TARGET_LONG_BITS == 32
584
    switch(format) {
585
    case 'o':
586
        term_printf("%#o", val);
587
        break;
588
    case 'x':
589
        term_printf("%#x", val);
590
        break;
591
    case 'u':
592
        term_printf("%u", val);
593
        break;
594
    default:
595
    case 'd':
596
        term_printf("%d", val);
597
        break;
598
    case 'c':
599
        term_printc(val);
600
        break;
601
    }
602
#else
603
    switch(format) {
604
    case 'o':
605
        term_printf("%#llo", val);
606
        break;
607
    case 'x':
608
        term_printf("%#llx", val);
609
        break;
610
    case 'u':
611
        term_printf("%llu", val);
612
        break;
613
    default:
614
    case 'd':
615
        term_printf("%lld", val);
616
        break;
617
    case 'c':
618
        term_printc(val);
619
        break;
620
    }
621
#endif
622
    term_printf("\n");
623
}
624

    
625
static void do_sum(uint32_t start, uint32_t size)
626
{
627
    uint32_t addr;
628
    uint8_t buf[1];
629
    uint16_t sum;
630

    
631
    sum = 0;
632
    for(addr = start; addr < (start + size); addr++) {
633
        cpu_physical_memory_rw(addr, buf, 1, 0);
634
        /* BSD sum algorithm ('sum' Unix command) */
635
        sum = (sum >> 1) | (sum << 15);
636
        sum += buf[0];
637
    }
638
    term_printf("%05d\n", sum);
639
}
640

    
641
typedef struct {
642
    int keycode;
643
    const char *name;
644
} KeyDef;
645

    
646
static const KeyDef key_defs[] = {
647
    { 0x2a, "shift" },
648
    { 0x36, "shift_r" },
649
    
650
    { 0x38, "alt" },
651
    { 0xb8, "alt_r" },
652
    { 0x1d, "ctrl" },
653
    { 0x9d, "ctrl_r" },
654

    
655
    { 0xdd, "menu" },
656

    
657
    { 0x01, "esc" },
658

    
659
    { 0x02, "1" },
660
    { 0x03, "2" },
661
    { 0x04, "3" },
662
    { 0x05, "4" },
663
    { 0x06, "5" },
664
    { 0x07, "6" },
665
    { 0x08, "7" },
666
    { 0x09, "8" },
667
    { 0x0a, "9" },
668
    { 0x0b, "0" },
669
    { 0x0e, "backspace" },
670

    
671
    { 0x0f, "tab" },
672
    { 0x10, "q" },
673
    { 0x11, "w" },
674
    { 0x12, "e" },
675
    { 0x13, "r" },
676
    { 0x14, "t" },
677
    { 0x15, "y" },
678
    { 0x16, "u" },
679
    { 0x17, "i" },
680
    { 0x18, "o" },
681
    { 0x19, "p" },
682

    
683
    { 0x1c, "ret" },
684

    
685
    { 0x1e, "a" },
686
    { 0x1f, "s" },
687
    { 0x20, "d" },
688
    { 0x21, "f" },
689
    { 0x22, "g" },
690
    { 0x23, "h" },
691
    { 0x24, "j" },
692
    { 0x25, "k" },
693
    { 0x26, "l" },
694

    
695
    { 0x2c, "z" },
696
    { 0x2d, "x" },
697
    { 0x2e, "c" },
698
    { 0x2f, "v" },
699
    { 0x30, "b" },
700
    { 0x31, "n" },
701
    { 0x32, "m" },
702
    
703
    { 0x39, "spc" },
704
    { 0x3a, "caps_lock" },
705
    { 0x3b, "f1" },
706
    { 0x3c, "f2" },
707
    { 0x3d, "f3" },
708
    { 0x3e, "f4" },
709
    { 0x3f, "f5" },
710
    { 0x40, "f6" },
711
    { 0x41, "f7" },
712
    { 0x42, "f8" },
713
    { 0x43, "f9" },
714
    { 0x44, "f10" },
715
    { 0x45, "num_lock" },
716
    { 0x46, "scroll_lock" },
717

    
718
    { 0x56, "<" },
719

    
720
    { 0x57, "f11" },
721
    { 0x58, "f12" },
722

    
723
    { 0xb7, "print" },
724

    
725
    { 0xc7, "home" },
726
    { 0xc9, "pgup" },
727
    { 0xd1, "pgdn" },
728
    { 0xcf, "end" },
729

    
730
    { 0xcb, "left" },
731
    { 0xc8, "up" },
732
    { 0xd0, "down" },
733
    { 0xcd, "right" },
734

    
735
    { 0xd2, "insert" },
736
    { 0xd3, "delete" },
737
    { 0, NULL },
738
};
739

    
740
static int get_keycode(const char *key)
741
{
742
    const KeyDef *p;
743

    
744
    for(p = key_defs; p->name != NULL; p++) {
745
        if (!strcmp(key, p->name))
746
            return p->keycode;
747
    }
748
    return -1;
749
}
750

    
751
static void do_send_key(const char *string)
752
{
753
    char keybuf[16], *q;
754
    uint8_t keycodes[16];
755
    const char *p;
756
    int nb_keycodes, keycode, i;
757
    
758
    nb_keycodes = 0;
759
    p = string;
760
    while (*p != '\0') {
761
        q = keybuf;
762
        while (*p != '\0' && *p != '-') {
763
            if ((q - keybuf) < sizeof(keybuf) - 1) {
764
                *q++ = *p;
765
            }
766
            p++;
767
        }
768
        *q = '\0';
769
        keycode = get_keycode(keybuf);
770
        if (keycode < 0) {
771
            term_printf("unknown key: '%s'\n", keybuf);
772
            return;
773
        }
774
        keycodes[nb_keycodes++] = keycode;
775
        if (*p == '\0')
776
            break;
777
        p++;
778
    }
779
    /* key down events */
780
    for(i = 0; i < nb_keycodes; i++) {
781
        keycode = keycodes[i];
782
        if (keycode & 0x80)
783
            kbd_put_keycode(0xe0);
784
        kbd_put_keycode(keycode & 0x7f);
785
    }
786
    /* key up events */
787
    for(i = nb_keycodes - 1; i >= 0; i--) {
788
        keycode = keycodes[i];
789
        if (keycode & 0x80)
790
            kbd_put_keycode(0xe0);
791
        kbd_put_keycode(keycode | 0x80);
792
    }
793
}
794

    
795
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
796
{
797
    uint32_t val;
798
    int suffix;
799

    
800
    if (has_index) {
801
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
802
        addr++;
803
    }
804
    addr &= 0xffff;
805

    
806
    switch(size) {
807
    default:
808
    case 1:
809
        val = cpu_inb(NULL, addr);
810
        suffix = 'b';
811
        break;
812
    case 2:
813
        val = cpu_inw(NULL, addr);
814
        suffix = 'w';
815
        break;
816
    case 4:
817
        val = cpu_inl(NULL, addr);
818
        suffix = 'l';
819
        break;
820
    }
821
    term_printf("port%c[0x%04x] = %#0*x\n",
822
                suffix, addr, size * 2, val);
823
}
824

    
825
static void do_system_reset(void)
826
{
827
    qemu_system_reset_request();
828
}
829

    
830
static void do_system_powerdown(void)
831
{
832
    qemu_system_powerdown_request();
833
}
834

    
835
#if defined(TARGET_I386)
836
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
837
{
838
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n", 
839
                addr,
840
                pte & mask,
841
                pte & PG_GLOBAL_MASK ? 'G' : '-',
842
                pte & PG_PSE_MASK ? 'P' : '-',
843
                pte & PG_DIRTY_MASK ? 'D' : '-',
844
                pte & PG_ACCESSED_MASK ? 'A' : '-',
845
                pte & PG_PCD_MASK ? 'C' : '-',
846
                pte & PG_PWT_MASK ? 'T' : '-',
847
                pte & PG_USER_MASK ? 'U' : '-',
848
                pte & PG_RW_MASK ? 'W' : '-');
849
}
850

    
851
static void tlb_info(void)
852
{
853
    CPUState *env;
854
    int l1, l2;
855
    uint32_t pgd, pde, pte;
856

    
857
    env = mon_get_cpu();
858
    if (!env)
859
        return;
860

    
861
    if (!(env->cr[0] & CR0_PG_MASK)) {
862
        term_printf("PG disabled\n");
863
        return;
864
    }
865
    pgd = env->cr[3] & ~0xfff;
866
    for(l1 = 0; l1 < 1024; l1++) {
867
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
868
        pde = le32_to_cpu(pde);
869
        if (pde & PG_PRESENT_MASK) {
870
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
871
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
872
            } else {
873
                for(l2 = 0; l2 < 1024; l2++) {
874
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
875
                                             (uint8_t *)&pte, 4);
876
                    pte = le32_to_cpu(pte);
877
                    if (pte & PG_PRESENT_MASK) {
878
                        print_pte((l1 << 22) + (l2 << 12), 
879
                                  pte & ~PG_PSE_MASK, 
880
                                  ~0xfff);
881
                    }
882
                }
883
            }
884
        }
885
    }
886
}
887

    
888
static void mem_print(uint32_t *pstart, int *plast_prot, 
889
                      uint32_t end, int prot)
890
{
891
    int prot1;
892
    prot1 = *plast_prot;
893
    if (prot != prot1) {
894
        if (*pstart != -1) {
895
            term_printf("%08x-%08x %08x %c%c%c\n",
896
                        *pstart, end, end - *pstart, 
897
                        prot1 & PG_USER_MASK ? 'u' : '-',
898
                        'r',
899
                        prot1 & PG_RW_MASK ? 'w' : '-');
900
        }
901
        if (prot != 0)
902
            *pstart = end;
903
        else
904
            *pstart = -1;
905
        *plast_prot = prot;
906
    }
907
}
908

    
909
static void mem_info(void)
910
{
911
    CPUState *env;
912
    int l1, l2, prot, last_prot;
913
    uint32_t pgd, pde, pte, start, end;
914

    
915
    env = mon_get_cpu();
916
    if (!env)
917
        return;
918

    
919
    if (!(env->cr[0] & CR0_PG_MASK)) {
920
        term_printf("PG disabled\n");
921
        return;
922
    }
923
    pgd = env->cr[3] & ~0xfff;
924
    last_prot = 0;
925
    start = -1;
926
    for(l1 = 0; l1 < 1024; l1++) {
927
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
928
        pde = le32_to_cpu(pde);
929
        end = l1 << 22;
930
        if (pde & PG_PRESENT_MASK) {
931
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
932
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
933
                mem_print(&start, &last_prot, end, prot);
934
            } else {
935
                for(l2 = 0; l2 < 1024; l2++) {
936
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
937
                                             (uint8_t *)&pte, 4);
938
                    pte = le32_to_cpu(pte);
939
                    end = (l1 << 22) + (l2 << 12);
940
                    if (pte & PG_PRESENT_MASK) {
941
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
942
                    } else {
943
                        prot = 0;
944
                    }
945
                    mem_print(&start, &last_prot, end, prot);
946
                }
947
            }
948
        } else {
949
            prot = 0;
950
            mem_print(&start, &last_prot, end, prot);
951
        }
952
    }
953
}
954
#endif
955

    
956
static void do_info_kqemu(void)
957
{
958
#ifdef USE_KQEMU
959
    CPUState *env;
960
    int val;
961
    val = 0;
962
    env = mon_get_cpu();
963
    if (!env) {
964
        term_printf("No cpu initialized yet");
965
        return;
966
    }
967
    val = env->kqemu_enabled;
968
    term_printf("kqemu support: ");
969
    switch(val) {
970
    default:
971
    case 0:
972
        term_printf("disabled\n");
973
        break;
974
    case 1:
975
        term_printf("enabled for user code\n");
976
        break;
977
    case 2:
978
        term_printf("enabled for user and kernel code\n");
979
        break;
980
    }
981
#else
982
    term_printf("kqemu support: not compiled\n");
983
#endif
984
} 
985

    
986
#ifdef CONFIG_PROFILER
987

    
988
int64_t kqemu_time;
989
int64_t qemu_time;
990
int64_t kqemu_exec_count;
991
int64_t dev_time;
992
int64_t kqemu_ret_int_count;
993
int64_t kqemu_ret_excp_count;
994
int64_t kqemu_ret_intr_count;
995

    
996
static void do_info_profile(void)
997
{
998
    int64_t total;
999
    total = qemu_time;
1000
    if (total == 0)
1001
        total = 1;
1002
    term_printf("async time  %lld (%0.3f)\n",
1003
                dev_time, dev_time / (double)ticks_per_sec);
1004
    term_printf("qemu time   %lld (%0.3f)\n",
1005
                qemu_time, qemu_time / (double)ticks_per_sec);
1006
    term_printf("kqemu time  %lld (%0.3f %0.1f%%) count=%lld int=%lld excp=%lld intr=%lld\n",
1007
                kqemu_time, kqemu_time / (double)ticks_per_sec,
1008
                kqemu_time / (double)total * 100.0,
1009
                kqemu_exec_count,
1010
                kqemu_ret_int_count,
1011
                kqemu_ret_excp_count,
1012
                kqemu_ret_intr_count);
1013
    qemu_time = 0;
1014
    kqemu_time = 0;
1015
    kqemu_exec_count = 0;
1016
    dev_time = 0;
1017
    kqemu_ret_int_count = 0;
1018
    kqemu_ret_excp_count = 0;
1019
    kqemu_ret_intr_count = 0;
1020
#ifdef USE_KQEMU
1021
    kqemu_record_dump();
1022
#endif
1023
}
1024
#else
1025
static void do_info_profile(void)
1026
{
1027
    term_printf("Internal profiler not compiled\n");
1028
}
1029
#endif
1030

    
1031
static term_cmd_t term_cmds[] = {
1032
    { "help|?", "s?", do_help, 
1033
      "[cmd]", "show the help" },
1034
    { "commit", "", do_commit, 
1035
      "", "commit changes to the disk images (if -snapshot is used)" },
1036
    { "info", "s?", do_info,
1037
      "subcommand", "show various information about the system state" },
1038
    { "q|quit", "", do_quit,
1039
      "", "quit the emulator" },
1040
    { "eject", "-fB", do_eject,
1041
      "[-f] device", "eject a removable media (use -f to force it)" },
1042
    { "change", "BF", do_change,
1043
      "device filename", "change a removable media" },
1044
    { "screendump", "F", do_screen_dump, 
1045
      "filename", "save screen into PPM image 'filename'" },
1046
    { "log", "s", do_log,
1047
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" }, 
1048
    { "savevm", "F", do_savevm,
1049
      "filename", "save the whole virtual machine state to 'filename'" }, 
1050
    { "loadvm", "F", do_loadvm,
1051
      "filename", "restore the whole virtual machine state from 'filename'" }, 
1052
    { "stop", "", do_stop, 
1053
      "", "stop emulation", },
1054
    { "c|cont", "", do_cont, 
1055
      "", "resume emulation", },
1056
#ifdef CONFIG_GDBSTUB
1057
    { "gdbserver", "i?", do_gdbserver, 
1058
      "[port]", "start gdbserver session (default port=1234)", },
1059
#endif
1060
    { "x", "/l", do_memory_dump, 
1061
      "/fmt addr", "virtual memory dump starting at 'addr'", },
1062
    { "xp", "/l", do_physical_memory_dump, 
1063
      "/fmt addr", "physical memory dump starting at 'addr'", },
1064
    { "p|print", "/l", do_print, 
1065
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
1066
    { "i", "/ii.", do_ioport_read, 
1067
      "/fmt addr", "I/O port read" },
1068

    
1069
    { "sendkey", "s", do_send_key, 
1070
      "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1071
    { "system_reset", "", do_system_reset, 
1072
      "", "reset the system" },
1073
    { "system_powerdown", "", do_system_powerdown, 
1074
      "", "send system power down event" },
1075
    { "sum", "ii", do_sum, 
1076
      "addr size", "compute the checksum of a memory region" },
1077
    { "usb_add", "s", do_usb_add,
1078
      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1079
    { "usb_del", "s", do_usb_del,
1080
      "device", "remove USB device 'bus.addr'" },
1081
    { "cpu", "i", do_cpu_set, 
1082
      "index", "set the default CPU" },
1083
    { NULL, NULL, }, 
1084
};
1085

    
1086
static term_cmd_t info_cmds[] = {
1087
    { "version", "", do_info_version,
1088
      "", "show the version of qemu" },
1089
    { "network", "", do_info_network,
1090
      "", "show the network state" },
1091
    { "block", "", do_info_block,
1092
      "", "show the block devices" },
1093
    { "registers", "", do_info_registers,
1094
      "", "show the cpu registers" },
1095
    { "cpus", "", do_info_cpus,
1096
      "", "show infos for each CPU" },
1097
    { "history", "", do_info_history,
1098
      "", "show the command line history", },
1099
    { "irq", "", irq_info,
1100
      "", "show the interrupts statistics (if available)", },
1101
    { "pic", "", pic_info,
1102
      "", "show i8259 (PIC) state", },
1103
    { "pci", "", pci_info,
1104
      "", "show PCI info", },
1105
#if defined(TARGET_I386)
1106
    { "tlb", "", tlb_info,
1107
      "", "show virtual to physical memory mappings", },
1108
    { "mem", "", mem_info,
1109
      "", "show the active virtual memory mappings", },
1110
#endif
1111
    { "jit", "", do_info_jit,
1112
      "", "show dynamic compiler info", },
1113
    { "kqemu", "", do_info_kqemu,
1114
      "", "show kqemu information", },
1115
    { "usb", "", usb_info,
1116
      "", "show guest USB devices", },
1117
    { "usbhost", "", usb_host_info,
1118
      "", "show host USB devices", },
1119
    { "profile", "", do_info_profile,
1120
      "", "show profiling information", },
1121
    { NULL, NULL, },
1122
};
1123

    
1124
/*******************************************************************/
1125

    
1126
static const char *pch;
1127
static jmp_buf expr_env;
1128

    
1129
#define MD_TLONG 0
1130
#define MD_I32   1
1131

    
1132
typedef struct MonitorDef {
1133
    const char *name;
1134
    int offset;
1135
    target_long (*get_value)(struct MonitorDef *md, int val);
1136
    int type;
1137
} MonitorDef;
1138

    
1139
#if defined(TARGET_I386)
1140
static target_long monitor_get_pc (struct MonitorDef *md, int val)
1141
{
1142
    CPUState *env = mon_get_cpu();
1143
    if (!env)
1144
        return 0;
1145
    return env->eip + env->segs[R_CS].base;
1146
}
1147
#endif
1148

    
1149
#if defined(TARGET_PPC)
1150
static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1151
{
1152
    CPUState *env = mon_get_cpu();
1153
    unsigned int u;
1154
    int i;
1155

    
1156
    if (!env)
1157
        return 0;
1158

    
1159
    u = 0;
1160
    for (i = 0; i < 8; i++)
1161
        u |= env->crf[i] << (32 - (4 * i));
1162

    
1163
    return u;
1164
}
1165

    
1166
static target_long monitor_get_msr (struct MonitorDef *md, int val)
1167
{
1168
    CPUState *env = mon_get_cpu();
1169
    if (!env)
1170
        return 0;
1171
    return (env->msr[MSR_POW] << MSR_POW) |
1172
        (env->msr[MSR_ILE] << MSR_ILE) |
1173
        (env->msr[MSR_EE] << MSR_EE) |
1174
        (env->msr[MSR_PR] << MSR_PR) |
1175
        (env->msr[MSR_FP] << MSR_FP) |
1176
        (env->msr[MSR_ME] << MSR_ME) |
1177
        (env->msr[MSR_FE0] << MSR_FE0) |
1178
        (env->msr[MSR_SE] << MSR_SE) |
1179
        (env->msr[MSR_BE] << MSR_BE) |
1180
        (env->msr[MSR_FE1] << MSR_FE1) |
1181
        (env->msr[MSR_IP] << MSR_IP) |
1182
        (env->msr[MSR_IR] << MSR_IR) |
1183
        (env->msr[MSR_DR] << MSR_DR) |
1184
        (env->msr[MSR_RI] << MSR_RI) |
1185
        (env->msr[MSR_LE] << MSR_LE);
1186
}
1187

    
1188
static target_long monitor_get_xer (struct MonitorDef *md, int val)
1189
{
1190
    CPUState *env = mon_get_cpu();
1191
    if (!env)
1192
        return 0;
1193
    return (env->xer[XER_SO] << XER_SO) |
1194
        (env->xer[XER_OV] << XER_OV) |
1195
        (env->xer[XER_CA] << XER_CA) |
1196
        (env->xer[XER_BC] << XER_BC);
1197
}
1198

    
1199
static target_long monitor_get_decr (struct MonitorDef *md, int val)
1200
{
1201
    CPUState *env = mon_get_cpu();
1202
    if (!env)
1203
        return 0;
1204
    return cpu_ppc_load_decr(env);
1205
}
1206

    
1207
static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1208
{
1209
    CPUState *env = mon_get_cpu();
1210
    if (!env)
1211
        return 0;
1212
    return cpu_ppc_load_tbu(env);
1213
}
1214

    
1215
static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1216
{
1217
    CPUState *env = mon_get_cpu();
1218
    if (!env)
1219
        return 0;
1220
    return cpu_ppc_load_tbl(env);
1221
}
1222
#endif
1223

    
1224
#if defined(TARGET_SPARC)
1225
#ifndef TARGET_SPARC64
1226
static target_long monitor_get_psr (struct MonitorDef *md, int val)
1227
{
1228
    CPUState *env = mon_get_cpu();
1229
    if (!env)
1230
        return 0;
1231
    return GET_PSR(env);
1232
}
1233
#endif
1234

    
1235
static target_long monitor_get_reg(struct MonitorDef *md, int val)
1236
{
1237
    CPUState *env = mon_get_cpu();
1238
    if (!env)
1239
        return 0;
1240
    return env->regwptr[val];
1241
}
1242
#endif
1243

    
1244
static MonitorDef monitor_defs[] = {
1245
#ifdef TARGET_I386
1246

    
1247
#define SEG(name, seg) \
1248
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1249
    { name ".base", offsetof(CPUState, segs[seg].base) },\
1250
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1251

    
1252
    { "eax", offsetof(CPUState, regs[0]) },
1253
    { "ecx", offsetof(CPUState, regs[1]) },
1254
    { "edx", offsetof(CPUState, regs[2]) },
1255
    { "ebx", offsetof(CPUState, regs[3]) },
1256
    { "esp|sp", offsetof(CPUState, regs[4]) },
1257
    { "ebp|fp", offsetof(CPUState, regs[5]) },
1258
    { "esi", offsetof(CPUState, regs[6]) },
1259
    { "edi", offsetof(CPUState, regs[7]) },
1260
#ifdef TARGET_X86_64
1261
    { "r8", offsetof(CPUState, regs[8]) },
1262
    { "r9", offsetof(CPUState, regs[9]) },
1263
    { "r10", offsetof(CPUState, regs[10]) },
1264
    { "r11", offsetof(CPUState, regs[11]) },
1265
    { "r12", offsetof(CPUState, regs[12]) },
1266
    { "r13", offsetof(CPUState, regs[13]) },
1267
    { "r14", offsetof(CPUState, regs[14]) },
1268
    { "r15", offsetof(CPUState, regs[15]) },
1269
#endif
1270
    { "eflags", offsetof(CPUState, eflags) },
1271
    { "eip", offsetof(CPUState, eip) },
1272
    SEG("cs", R_CS)
1273
    SEG("ds", R_DS)
1274
    SEG("es", R_ES)
1275
    SEG("ss", R_SS)
1276
    SEG("fs", R_FS)
1277
    SEG("gs", R_GS)
1278
    { "pc", 0, monitor_get_pc, },
1279
#elif defined(TARGET_PPC)
1280
    { "r0", offsetof(CPUState, gpr[0]) },
1281
    { "r1", offsetof(CPUState, gpr[1]) },
1282
    { "r2", offsetof(CPUState, gpr[2]) },
1283
    { "r3", offsetof(CPUState, gpr[3]) },
1284
    { "r4", offsetof(CPUState, gpr[4]) },
1285
    { "r5", offsetof(CPUState, gpr[5]) },
1286
    { "r6", offsetof(CPUState, gpr[6]) },
1287
    { "r7", offsetof(CPUState, gpr[7]) },
1288
    { "r8", offsetof(CPUState, gpr[8]) },
1289
    { "r9", offsetof(CPUState, gpr[9]) },
1290
    { "r10", offsetof(CPUState, gpr[10]) },
1291
    { "r11", offsetof(CPUState, gpr[11]) },
1292
    { "r12", offsetof(CPUState, gpr[12]) },
1293
    { "r13", offsetof(CPUState, gpr[13]) },
1294
    { "r14", offsetof(CPUState, gpr[14]) },
1295
    { "r15", offsetof(CPUState, gpr[15]) },
1296
    { "r16", offsetof(CPUState, gpr[16]) },
1297
    { "r17", offsetof(CPUState, gpr[17]) },
1298
    { "r18", offsetof(CPUState, gpr[18]) },
1299
    { "r19", offsetof(CPUState, gpr[19]) },
1300
    { "r20", offsetof(CPUState, gpr[20]) },
1301
    { "r21", offsetof(CPUState, gpr[21]) },
1302
    { "r22", offsetof(CPUState, gpr[22]) },
1303
    { "r23", offsetof(CPUState, gpr[23]) },
1304
    { "r24", offsetof(CPUState, gpr[24]) },
1305
    { "r25", offsetof(CPUState, gpr[25]) },
1306
    { "r26", offsetof(CPUState, gpr[26]) },
1307
    { "r27", offsetof(CPUState, gpr[27]) },
1308
    { "r28", offsetof(CPUState, gpr[28]) },
1309
    { "r29", offsetof(CPUState, gpr[29]) },
1310
    { "r30", offsetof(CPUState, gpr[30]) },
1311
    { "r31", offsetof(CPUState, gpr[31]) },
1312
    { "nip|pc", offsetof(CPUState, nip) },
1313
    { "lr", offsetof(CPUState, lr) },
1314
    { "ctr", offsetof(CPUState, ctr) },
1315
    { "decr", 0, &monitor_get_decr, },
1316
    { "ccr", 0, &monitor_get_ccr, },
1317
    { "msr", 0, &monitor_get_msr, },
1318
    { "xer", 0, &monitor_get_xer, },
1319
    { "tbu", 0, &monitor_get_tbu, },
1320
    { "tbl", 0, &monitor_get_tbl, },
1321
    { "sdr1", offsetof(CPUState, sdr1) },
1322
    { "sr0", offsetof(CPUState, sr[0]) },
1323
    { "sr1", offsetof(CPUState, sr[1]) },
1324
    { "sr2", offsetof(CPUState, sr[2]) },
1325
    { "sr3", offsetof(CPUState, sr[3]) },
1326
    { "sr4", offsetof(CPUState, sr[4]) },
1327
    { "sr5", offsetof(CPUState, sr[5]) },
1328
    { "sr6", offsetof(CPUState, sr[6]) },
1329
    { "sr7", offsetof(CPUState, sr[7]) },
1330
    { "sr8", offsetof(CPUState, sr[8]) },
1331
    { "sr9", offsetof(CPUState, sr[9]) },
1332
    { "sr10", offsetof(CPUState, sr[10]) },
1333
    { "sr11", offsetof(CPUState, sr[11]) },
1334
    { "sr12", offsetof(CPUState, sr[12]) },
1335
    { "sr13", offsetof(CPUState, sr[13]) },
1336
    { "sr14", offsetof(CPUState, sr[14]) },
1337
    { "sr15", offsetof(CPUState, sr[15]) },
1338
    /* Too lazy to put BATs and SPRs ... */
1339
#elif defined(TARGET_SPARC)
1340
    { "g0", offsetof(CPUState, gregs[0]) },
1341
    { "g1", offsetof(CPUState, gregs[1]) },
1342
    { "g2", offsetof(CPUState, gregs[2]) },
1343
    { "g3", offsetof(CPUState, gregs[3]) },
1344
    { "g4", offsetof(CPUState, gregs[4]) },
1345
    { "g5", offsetof(CPUState, gregs[5]) },
1346
    { "g6", offsetof(CPUState, gregs[6]) },
1347
    { "g7", offsetof(CPUState, gregs[7]) },
1348
    { "o0", 0, monitor_get_reg },
1349
    { "o1", 1, monitor_get_reg },
1350
    { "o2", 2, monitor_get_reg },
1351
    { "o3", 3, monitor_get_reg },
1352
    { "o4", 4, monitor_get_reg },
1353
    { "o5", 5, monitor_get_reg },
1354
    { "o6", 6, monitor_get_reg },
1355
    { "o7", 7, monitor_get_reg },
1356
    { "l0", 8, monitor_get_reg },
1357
    { "l1", 9, monitor_get_reg },
1358
    { "l2", 10, monitor_get_reg },
1359
    { "l3", 11, monitor_get_reg },
1360
    { "l4", 12, monitor_get_reg },
1361
    { "l5", 13, monitor_get_reg },
1362
    { "l6", 14, monitor_get_reg },
1363
    { "l7", 15, monitor_get_reg },
1364
    { "i0", 16, monitor_get_reg },
1365
    { "i1", 17, monitor_get_reg },
1366
    { "i2", 18, monitor_get_reg },
1367
    { "i3", 19, monitor_get_reg },
1368
    { "i4", 20, monitor_get_reg },
1369
    { "i5", 21, monitor_get_reg },
1370
    { "i6", 22, monitor_get_reg },
1371
    { "i7", 23, monitor_get_reg },
1372
    { "pc", offsetof(CPUState, pc) },
1373
    { "npc", offsetof(CPUState, npc) },
1374
    { "y", offsetof(CPUState, y) },
1375
#ifndef TARGET_SPARC64
1376
    { "psr", 0, &monitor_get_psr, },
1377
    { "wim", offsetof(CPUState, wim) },
1378
#endif
1379
    { "tbr", offsetof(CPUState, tbr) },
1380
    { "fsr", offsetof(CPUState, fsr) },
1381
    { "f0", offsetof(CPUState, fpr[0]) },
1382
    { "f1", offsetof(CPUState, fpr[1]) },
1383
    { "f2", offsetof(CPUState, fpr[2]) },
1384
    { "f3", offsetof(CPUState, fpr[3]) },
1385
    { "f4", offsetof(CPUState, fpr[4]) },
1386
    { "f5", offsetof(CPUState, fpr[5]) },
1387
    { "f6", offsetof(CPUState, fpr[6]) },
1388
    { "f7", offsetof(CPUState, fpr[7]) },
1389
    { "f8", offsetof(CPUState, fpr[8]) },
1390
    { "f9", offsetof(CPUState, fpr[9]) },
1391
    { "f10", offsetof(CPUState, fpr[10]) },
1392
    { "f11", offsetof(CPUState, fpr[11]) },
1393
    { "f12", offsetof(CPUState, fpr[12]) },
1394
    { "f13", offsetof(CPUState, fpr[13]) },
1395
    { "f14", offsetof(CPUState, fpr[14]) },
1396
    { "f15", offsetof(CPUState, fpr[15]) },
1397
    { "f16", offsetof(CPUState, fpr[16]) },
1398
    { "f17", offsetof(CPUState, fpr[17]) },
1399
    { "f18", offsetof(CPUState, fpr[18]) },
1400
    { "f19", offsetof(CPUState, fpr[19]) },
1401
    { "f20", offsetof(CPUState, fpr[20]) },
1402
    { "f21", offsetof(CPUState, fpr[21]) },
1403
    { "f22", offsetof(CPUState, fpr[22]) },
1404
    { "f23", offsetof(CPUState, fpr[23]) },
1405
    { "f24", offsetof(CPUState, fpr[24]) },
1406
    { "f25", offsetof(CPUState, fpr[25]) },
1407
    { "f26", offsetof(CPUState, fpr[26]) },
1408
    { "f27", offsetof(CPUState, fpr[27]) },
1409
    { "f28", offsetof(CPUState, fpr[28]) },
1410
    { "f29", offsetof(CPUState, fpr[29]) },
1411
    { "f30", offsetof(CPUState, fpr[30]) },
1412
    { "f31", offsetof(CPUState, fpr[31]) },
1413
#ifdef TARGET_SPARC64
1414
    { "f32", offsetof(CPUState, fpr[32]) },
1415
    { "f34", offsetof(CPUState, fpr[34]) },
1416
    { "f36", offsetof(CPUState, fpr[36]) },
1417
    { "f38", offsetof(CPUState, fpr[38]) },
1418
    { "f40", offsetof(CPUState, fpr[40]) },
1419
    { "f42", offsetof(CPUState, fpr[42]) },
1420
    { "f44", offsetof(CPUState, fpr[44]) },
1421
    { "f46", offsetof(CPUState, fpr[46]) },
1422
    { "f48", offsetof(CPUState, fpr[48]) },
1423
    { "f50", offsetof(CPUState, fpr[50]) },
1424
    { "f52", offsetof(CPUState, fpr[52]) },
1425
    { "f54", offsetof(CPUState, fpr[54]) },
1426
    { "f56", offsetof(CPUState, fpr[56]) },
1427
    { "f58", offsetof(CPUState, fpr[58]) },
1428
    { "f60", offsetof(CPUState, fpr[60]) },
1429
    { "f62", offsetof(CPUState, fpr[62]) },
1430
    { "asi", offsetof(CPUState, asi) },
1431
    { "pstate", offsetof(CPUState, pstate) },
1432
    { "cansave", offsetof(CPUState, cansave) },
1433
    { "canrestore", offsetof(CPUState, canrestore) },
1434
    { "otherwin", offsetof(CPUState, otherwin) },
1435
    { "wstate", offsetof(CPUState, wstate) },
1436
    { "cleanwin", offsetof(CPUState, cleanwin) },
1437
    { "fprs", offsetof(CPUState, fprs) },
1438
#endif
1439
#endif
1440
    { NULL },
1441
};
1442

    
1443
static void expr_error(const char *fmt) 
1444
{
1445
    term_printf(fmt);
1446
    term_printf("\n");
1447
    longjmp(expr_env, 1);
1448
}
1449

    
1450
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
1451
static int get_monitor_def(target_long *pval, const char *name)
1452
{
1453
    MonitorDef *md;
1454
    void *ptr;
1455

    
1456
    for(md = monitor_defs; md->name != NULL; md++) {
1457
        if (compare_cmd(name, md->name)) {
1458
            if (md->get_value) {
1459
                *pval = md->get_value(md, md->offset);
1460
            } else {
1461
                CPUState *env = mon_get_cpu();
1462
                if (!env)
1463
                    return -2;
1464
                ptr = (uint8_t *)env + md->offset;
1465
                switch(md->type) {
1466
                case MD_I32:
1467
                    *pval = *(int32_t *)ptr;
1468
                    break;
1469
                case MD_TLONG:
1470
                    *pval = *(target_long *)ptr;
1471
                    break;
1472
                default:
1473
                    *pval = 0;
1474
                    break;
1475
                }
1476
            }
1477
            return 0;
1478
        }
1479
    }
1480
    return -1;
1481
}
1482

    
1483
static void next(void)
1484
{
1485
    if (pch != '\0') {
1486
        pch++;
1487
        while (isspace(*pch))
1488
            pch++;
1489
    }
1490
}
1491

    
1492
static target_long expr_sum(void);
1493

    
1494
static target_long expr_unary(void)
1495
{
1496
    target_long n;
1497
    char *p;
1498
    int ret;
1499

    
1500
    switch(*pch) {
1501
    case '+':
1502
        next();
1503
        n = expr_unary();
1504
        break;
1505
    case '-':
1506
        next();
1507
        n = -expr_unary();
1508
        break;
1509
    case '~':
1510
        next();
1511
        n = ~expr_unary();
1512
        break;
1513
    case '(':
1514
        next();
1515
        n = expr_sum();
1516
        if (*pch != ')') {
1517
            expr_error("')' expected");
1518
        }
1519
        next();
1520
        break;
1521
    case '\'':
1522
        pch++;
1523
        if (*pch == '\0')
1524
            expr_error("character constant expected");
1525
        n = *pch;
1526
        pch++;
1527
        if (*pch != '\'')
1528
            expr_error("missing terminating \' character");
1529
        next();
1530
        break;
1531
    case '$':
1532
        {
1533
            char buf[128], *q;
1534
            
1535
            pch++;
1536
            q = buf;
1537
            while ((*pch >= 'a' && *pch <= 'z') ||
1538
                   (*pch >= 'A' && *pch <= 'Z') ||
1539
                   (*pch >= '0' && *pch <= '9') ||
1540
                   *pch == '_' || *pch == '.') {
1541
                if ((q - buf) < sizeof(buf) - 1)
1542
                    *q++ = *pch;
1543
                pch++;
1544
            }
1545
            while (isspace(*pch))
1546
                pch++;
1547
            *q = 0;
1548
            ret = get_monitor_def(&n, buf);
1549
            if (ret == -1)
1550
                expr_error("unknown register");
1551
            else if (ret == -2) 
1552
                expr_error("no cpu defined");
1553
        }
1554
        break;
1555
    case '\0':
1556
        expr_error("unexpected end of expression");
1557
        n = 0;
1558
        break;
1559
    default:
1560
        /* XXX: 64 bit version */
1561
        n = strtoul(pch, &p, 0);
1562
        if (pch == p) {
1563
            expr_error("invalid char in expression");
1564
        }
1565
        pch = p;
1566
        while (isspace(*pch))
1567
            pch++;
1568
        break;
1569
    }
1570
    return n;
1571
}
1572

    
1573

    
1574
static target_long expr_prod(void)
1575
{
1576
    target_long val, val2;
1577
    int op;
1578
    
1579
    val = expr_unary();
1580
    for(;;) {
1581
        op = *pch;
1582
        if (op != '*' && op != '/' && op != '%')
1583
            break;
1584
        next();
1585
        val2 = expr_unary();
1586
        switch(op) {
1587
        default:
1588
        case '*':
1589
            val *= val2;
1590
            break;
1591
        case '/':
1592
        case '%':
1593
            if (val2 == 0) 
1594
                expr_error("division by zero");
1595
            if (op == '/')
1596
                val /= val2;
1597
            else
1598
                val %= val2;
1599
            break;
1600
        }
1601
    }
1602
    return val;
1603
}
1604

    
1605
static target_long expr_logic(void)
1606
{
1607
    target_long val, val2;
1608
    int op;
1609

    
1610
    val = expr_prod();
1611
    for(;;) {
1612
        op = *pch;
1613
        if (op != '&' && op != '|' && op != '^')
1614
            break;
1615
        next();
1616
        val2 = expr_prod();
1617
        switch(op) {
1618
        default:
1619
        case '&':
1620
            val &= val2;
1621
            break;
1622
        case '|':
1623
            val |= val2;
1624
            break;
1625
        case '^':
1626
            val ^= val2;
1627
            break;
1628
        }
1629
    }
1630
    return val;
1631
}
1632

    
1633
static target_long expr_sum(void)
1634
{
1635
    target_long val, val2;
1636
    int op;
1637

    
1638
    val = expr_logic();
1639
    for(;;) {
1640
        op = *pch;
1641
        if (op != '+' && op != '-')
1642
            break;
1643
        next();
1644
        val2 = expr_logic();
1645
        if (op == '+')
1646
            val += val2;
1647
        else
1648
            val -= val2;
1649
    }
1650
    return val;
1651
}
1652

    
1653
static int get_expr(target_long *pval, const char **pp)
1654
{
1655
    pch = *pp;
1656
    if (setjmp(expr_env)) {
1657
        *pp = pch;
1658
        return -1;
1659
    }
1660
    while (isspace(*pch))
1661
        pch++;
1662
    *pval = expr_sum();
1663
    *pp = pch;
1664
    return 0;
1665
}
1666

    
1667
static int get_str(char *buf, int buf_size, const char **pp)
1668
{
1669
    const char *p;
1670
    char *q;
1671
    int c;
1672

    
1673
    q = buf;
1674
    p = *pp;
1675
    while (isspace(*p))
1676
        p++;
1677
    if (*p == '\0') {
1678
    fail:
1679
        *q = '\0';
1680
        *pp = p;
1681
        return -1;
1682
    }
1683
    if (*p == '\"') {
1684
        p++;
1685
        while (*p != '\0' && *p != '\"') {
1686
            if (*p == '\\') {
1687
                p++;
1688
                c = *p++;
1689
                switch(c) {
1690
                case 'n':
1691
                    c = '\n';
1692
                    break;
1693
                case 'r':
1694
                    c = '\r';
1695
                    break;
1696
                case '\\':
1697
                case '\'':
1698
                case '\"':
1699
                    break;
1700
                default:
1701
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
1702
                    goto fail;
1703
                }
1704
                if ((q - buf) < buf_size - 1) {
1705
                    *q++ = c;
1706
                }
1707
            } else {
1708
                if ((q - buf) < buf_size - 1) {
1709
                    *q++ = *p;
1710
                }
1711
                p++;
1712
            }
1713
        }
1714
        if (*p != '\"') {
1715
            qemu_printf("unterminated string\n");
1716
            goto fail;
1717
        }
1718
        p++;
1719
    } else {
1720
        while (*p != '\0' && !isspace(*p)) {
1721
            if ((q - buf) < buf_size - 1) {
1722
                *q++ = *p;
1723
            }
1724
            p++;
1725
        }
1726
    }
1727
    *q = '\0';
1728
    *pp = p;
1729
    return 0;
1730
}
1731

    
1732
static int default_fmt_format = 'x';
1733
static int default_fmt_size = 4;
1734

    
1735
#define MAX_ARGS 16
1736

    
1737
static void monitor_handle_command(const char *cmdline)
1738
{
1739
    const char *p, *pstart, *typestr;
1740
    char *q;
1741
    int c, nb_args, len, i, has_arg;
1742
    term_cmd_t *cmd;
1743
    char cmdname[256];
1744
    char buf[1024];
1745
    void *str_allocated[MAX_ARGS];
1746
    void *args[MAX_ARGS];
1747

    
1748
#ifdef DEBUG
1749
    term_printf("command='%s'\n", cmdline);
1750
#endif
1751
    
1752
    /* extract the command name */
1753
    p = cmdline;
1754
    q = cmdname;
1755
    while (isspace(*p))
1756
        p++;
1757
    if (*p == '\0')
1758
        return;
1759
    pstart = p;
1760
    while (*p != '\0' && *p != '/' && !isspace(*p))
1761
        p++;
1762
    len = p - pstart;
1763
    if (len > sizeof(cmdname) - 1)
1764
        len = sizeof(cmdname) - 1;
1765
    memcpy(cmdname, pstart, len);
1766
    cmdname[len] = '\0';
1767
    
1768
    /* find the command */
1769
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1770
        if (compare_cmd(cmdname, cmd->name)) 
1771
            goto found;
1772
    }
1773
    term_printf("unknown command: '%s'\n", cmdname);
1774
    return;
1775
 found:
1776

    
1777
    for(i = 0; i < MAX_ARGS; i++)
1778
        str_allocated[i] = NULL;
1779
    
1780
    /* parse the parameters */
1781
    typestr = cmd->args_type;
1782
    nb_args = 0;
1783
    for(;;) {
1784
        c = *typestr;
1785
        if (c == '\0')
1786
            break;
1787
        typestr++;
1788
        switch(c) {
1789
        case 'F':
1790
        case 'B':
1791
        case 's':
1792
            {
1793
                int ret;
1794
                char *str;
1795
                
1796
                while (isspace(*p)) 
1797
                    p++;
1798
                if (*typestr == '?') {
1799
                    typestr++;
1800
                    if (*p == '\0') {
1801
                        /* no optional string: NULL argument */
1802
                        str = NULL;
1803
                        goto add_str;
1804
                    }
1805
                }
1806
                ret = get_str(buf, sizeof(buf), &p);
1807
                if (ret < 0) {
1808
                    switch(c) {
1809
                    case 'F':
1810
                        term_printf("%s: filename expected\n", cmdname);
1811
                        break;
1812
                    case 'B':
1813
                        term_printf("%s: block device name expected\n", cmdname);
1814
                        break;
1815
                    default:
1816
                        term_printf("%s: string expected\n", cmdname);
1817
                        break;
1818
                    }
1819
                    goto fail;
1820
                }
1821
                str = qemu_malloc(strlen(buf) + 1);
1822
                strcpy(str, buf);
1823
                str_allocated[nb_args] = str;
1824
            add_str:
1825
                if (nb_args >= MAX_ARGS) {
1826
                error_args:
1827
                    term_printf("%s: too many arguments\n", cmdname);
1828
                    goto fail;
1829
                }
1830
                args[nb_args++] = str;
1831
            }
1832
            break;
1833
        case '/':
1834
            {
1835
                int count, format, size;
1836
                
1837
                while (isspace(*p))
1838
                    p++;
1839
                if (*p == '/') {
1840
                    /* format found */
1841
                    p++;
1842
                    count = 1;
1843
                    if (isdigit(*p)) {
1844
                        count = 0;
1845
                        while (isdigit(*p)) {
1846
                            count = count * 10 + (*p - '0');
1847
                            p++;
1848
                        }
1849
                    }
1850
                    size = -1;
1851
                    format = -1;
1852
                    for(;;) {
1853
                        switch(*p) {
1854
                        case 'o':
1855
                        case 'd':
1856
                        case 'u':
1857
                        case 'x':
1858
                        case 'i':
1859
                        case 'c':
1860
                            format = *p++;
1861
                            break;
1862
                        case 'b':
1863
                            size = 1;
1864
                            p++;
1865
                            break;
1866
                        case 'h':
1867
                            size = 2;
1868
                            p++;
1869
                            break;
1870
                        case 'w':
1871
                            size = 4;
1872
                            p++;
1873
                            break;
1874
                        case 'g':
1875
                        case 'L':
1876
                            size = 8;
1877
                            p++;
1878
                            break;
1879
                        default:
1880
                            goto next;
1881
                        }
1882
                    }
1883
                next:
1884
                    if (*p != '\0' && !isspace(*p)) {
1885
                        term_printf("invalid char in format: '%c'\n", *p);
1886
                        goto fail;
1887
                    }
1888
                    if (format < 0)
1889
                        format = default_fmt_format;
1890
                    if (format != 'i') {
1891
                        /* for 'i', not specifying a size gives -1 as size */
1892
                        if (size < 0)
1893
                            size = default_fmt_size;
1894
                    }
1895
                    default_fmt_size = size;
1896
                    default_fmt_format = format;
1897
                } else {
1898
                    count = 1;
1899
                    format = default_fmt_format;
1900
                    if (format != 'i') {
1901
                        size = default_fmt_size;
1902
                    } else {
1903
                        size = -1;
1904
                    }
1905
                }
1906
                if (nb_args + 3 > MAX_ARGS)
1907
                    goto error_args;
1908
                args[nb_args++] = (void*)count;
1909
                args[nb_args++] = (void*)format;
1910
                args[nb_args++] = (void*)size;
1911
            }
1912
            break;
1913
        case 'i':
1914
        case 'l':
1915
            {
1916
                target_long val;
1917
                while (isspace(*p)) 
1918
                    p++;
1919
                if (*typestr == '?' || *typestr == '.') {
1920
                    typestr++;
1921
                    if (*typestr == '?') {
1922
                        if (*p == '\0')
1923
                            has_arg = 0;
1924
                        else
1925
                            has_arg = 1;
1926
                    } else {
1927
                        if (*p == '.') {
1928
                            p++;
1929
                            while (isspace(*p)) 
1930
                                p++;
1931
                            has_arg = 1;
1932
                        } else {
1933
                            has_arg = 0;
1934
                        }
1935
                    }
1936
                    if (nb_args >= MAX_ARGS)
1937
                        goto error_args;
1938
                    args[nb_args++] = (void *)has_arg;
1939
                    if (!has_arg) {
1940
                        if (nb_args >= MAX_ARGS)
1941
                            goto error_args;
1942
                        val = -1;
1943
                        goto add_num;
1944
                    }
1945
                }
1946
                if (get_expr(&val, &p))
1947
                    goto fail;
1948
            add_num:
1949
                if (c == 'i') {
1950
                    if (nb_args >= MAX_ARGS)
1951
                        goto error_args;
1952
                    args[nb_args++] = (void *)(int)val;
1953
                } else {
1954
                    if ((nb_args + 1) >= MAX_ARGS)
1955
                        goto error_args;
1956
#if TARGET_LONG_BITS == 64
1957
                    args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
1958
#else
1959
                    args[nb_args++] = (void *)0;
1960
#endif
1961
                    args[nb_args++] = (void *)(int)(val & 0xffffffff);
1962
                }
1963
            }
1964
            break;
1965
        case '-':
1966
            {
1967
                int has_option;
1968
                /* option */
1969
                
1970
                c = *typestr++;
1971
                if (c == '\0')
1972
                    goto bad_type;
1973
                while (isspace(*p)) 
1974
                    p++;
1975
                has_option = 0;
1976
                if (*p == '-') {
1977
                    p++;
1978
                    if (*p != c) {
1979
                        term_printf("%s: unsupported option -%c\n", 
1980
                                    cmdname, *p);
1981
                        goto fail;
1982
                    }
1983
                    p++;
1984
                    has_option = 1;
1985
                }
1986
                if (nb_args >= MAX_ARGS)
1987
                    goto error_args;
1988
                args[nb_args++] = (void *)has_option;
1989
            }
1990
            break;
1991
        default:
1992
        bad_type:
1993
            term_printf("%s: unknown type '%c'\n", cmdname, c);
1994
            goto fail;
1995
        }
1996
    }
1997
    /* check that all arguments were parsed */
1998
    while (isspace(*p))
1999
        p++;
2000
    if (*p != '\0') {
2001
        term_printf("%s: extraneous characters at the end of line\n", 
2002
                    cmdname);
2003
        goto fail;
2004
    }
2005

    
2006
    switch(nb_args) {
2007
    case 0:
2008
        cmd->handler();
2009
        break;
2010
    case 1:
2011
        cmd->handler(args[0]);
2012
        break;
2013
    case 2:
2014
        cmd->handler(args[0], args[1]);
2015
        break;
2016
    case 3:
2017
        cmd->handler(args[0], args[1], args[2]);
2018
        break;
2019
    case 4:
2020
        cmd->handler(args[0], args[1], args[2], args[3]);
2021
        break;
2022
    case 5:
2023
        cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2024
        break;
2025
    case 6:
2026
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2027
        break;
2028
    default:
2029
        term_printf("unsupported number of arguments: %d\n", nb_args);
2030
        goto fail;
2031
    }
2032
 fail:
2033
    for(i = 0; i < MAX_ARGS; i++)
2034
        qemu_free(str_allocated[i]);
2035
    return;
2036
}
2037

    
2038
static void cmd_completion(const char *name, const char *list)
2039
{
2040
    const char *p, *pstart;
2041
    char cmd[128];
2042
    int len;
2043

    
2044
    p = list;
2045
    for(;;) {
2046
        pstart = p;
2047
        p = strchr(p, '|');
2048
        if (!p)
2049
            p = pstart + strlen(pstart);
2050
        len = p - pstart;
2051
        if (len > sizeof(cmd) - 2)
2052
            len = sizeof(cmd) - 2;
2053
        memcpy(cmd, pstart, len);
2054
        cmd[len] = '\0';
2055
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2056
            add_completion(cmd);
2057
        }
2058
        if (*p == '\0')
2059
            break;
2060
        p++;
2061
    }
2062
}
2063

    
2064
static void file_completion(const char *input)
2065
{
2066
    DIR *ffs;
2067
    struct dirent *d;
2068
    char path[1024];
2069
    char file[1024], file_prefix[1024];
2070
    int input_path_len;
2071
    const char *p;
2072

    
2073
    p = strrchr(input, '/'); 
2074
    if (!p) {
2075
        input_path_len = 0;
2076
        pstrcpy(file_prefix, sizeof(file_prefix), input);
2077
        strcpy(path, ".");
2078
    } else {
2079
        input_path_len = p - input + 1;
2080
        memcpy(path, input, input_path_len);
2081
        if (input_path_len > sizeof(path) - 1)
2082
            input_path_len = sizeof(path) - 1;
2083
        path[input_path_len] = '\0';
2084
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2085
    }
2086
#ifdef DEBUG_COMPLETION
2087
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2088
#endif
2089
    ffs = opendir(path);
2090
    if (!ffs)
2091
        return;
2092
    for(;;) {
2093
        struct stat sb;
2094
        d = readdir(ffs);
2095
        if (!d)
2096
            break;
2097
        if (strstart(d->d_name, file_prefix, NULL)) {
2098
            memcpy(file, input, input_path_len);
2099
            strcpy(file + input_path_len, d->d_name);
2100
            /* stat the file to find out if it's a directory.
2101
             * In that case add a slash to speed up typing long paths
2102
             */
2103
            stat(file, &sb);
2104
            if(S_ISDIR(sb.st_mode))
2105
                strcat(file, "/");
2106
            add_completion(file);
2107
        }
2108
    }
2109
    closedir(ffs);
2110
}
2111

    
2112
static void block_completion_it(void *opaque, const char *name)
2113
{
2114
    const char *input = opaque;
2115

    
2116
    if (input[0] == '\0' ||
2117
        !strncmp(name, (char *)input, strlen(input))) {
2118
        add_completion(name);
2119
    }
2120
}
2121

    
2122
/* NOTE: this parser is an approximate form of the real command parser */
2123
static void parse_cmdline(const char *cmdline,
2124
                         int *pnb_args, char **args)
2125
{
2126
    const char *p;
2127
    int nb_args, ret;
2128
    char buf[1024];
2129

    
2130
    p = cmdline;
2131
    nb_args = 0;
2132
    for(;;) {
2133
        while (isspace(*p))
2134
            p++;
2135
        if (*p == '\0')
2136
            break;
2137
        if (nb_args >= MAX_ARGS)
2138
            break;
2139
        ret = get_str(buf, sizeof(buf), &p);
2140
        args[nb_args] = qemu_strdup(buf);
2141
        nb_args++;
2142
        if (ret < 0)
2143
            break;
2144
    }
2145
    *pnb_args = nb_args;
2146
}
2147

    
2148
void readline_find_completion(const char *cmdline)
2149
{
2150
    const char *cmdname;
2151
    char *args[MAX_ARGS];
2152
    int nb_args, i, len;
2153
    const char *ptype, *str;
2154
    term_cmd_t *cmd;
2155

    
2156
    parse_cmdline(cmdline, &nb_args, args);
2157
#ifdef DEBUG_COMPLETION
2158
    for(i = 0; i < nb_args; i++) {
2159
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2160
    }
2161
#endif
2162

    
2163
    /* if the line ends with a space, it means we want to complete the
2164
       next arg */
2165
    len = strlen(cmdline);
2166
    if (len > 0 && isspace(cmdline[len - 1])) {
2167
        if (nb_args >= MAX_ARGS)
2168
            return;
2169
        args[nb_args++] = qemu_strdup("");
2170
    }
2171
    if (nb_args <= 1) {
2172
        /* command completion */
2173
        if (nb_args == 0)
2174
            cmdname = "";
2175
        else
2176
            cmdname = args[0];
2177
        completion_index = strlen(cmdname);
2178
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2179
            cmd_completion(cmdname, cmd->name);
2180
        }
2181
    } else {
2182
        /* find the command */
2183
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2184
            if (compare_cmd(args[0], cmd->name))
2185
                goto found;
2186
        }
2187
        return;
2188
    found:
2189
        ptype = cmd->args_type;
2190
        for(i = 0; i < nb_args - 2; i++) {
2191
            if (*ptype != '\0') {
2192
                ptype++;
2193
                while (*ptype == '?')
2194
                    ptype++;
2195
            }
2196
        }
2197
        str = args[nb_args - 1];
2198
        switch(*ptype) {
2199
        case 'F':
2200
            /* file completion */
2201
            completion_index = strlen(str);
2202
            file_completion(str);
2203
            break;
2204
        case 'B':
2205
            /* block device name completion */
2206
            completion_index = strlen(str);
2207
            bdrv_iterate(block_completion_it, (void *)str);
2208
            break;
2209
        case 's':
2210
            /* XXX: more generic ? */
2211
            if (!strcmp(cmd->name, "info")) {
2212
                completion_index = strlen(str);
2213
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2214
                    cmd_completion(str, cmd->name);
2215
                }
2216
            }
2217
            break;
2218
        default:
2219
            break;
2220
        }
2221
    }
2222
    for(i = 0; i < nb_args; i++)
2223
        qemu_free(args[i]);
2224
}
2225

    
2226
static int term_can_read(void *opaque)
2227
{
2228
    return 128;
2229
}
2230

    
2231
static void term_read(void *opaque, const uint8_t *buf, int size)
2232
{
2233
    int i;
2234
    for(i = 0; i < size; i++)
2235
        readline_handle_byte(buf[i]);
2236
}
2237

    
2238
static void monitor_start_input(void);
2239

    
2240
static void monitor_handle_command1(void *opaque, const char *cmdline)
2241
{
2242
    monitor_handle_command(cmdline);
2243
    monitor_start_input();
2244
}
2245

    
2246
static void monitor_start_input(void)
2247
{
2248
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2249
}
2250

    
2251
void monitor_init(CharDriverState *hd, int show_banner)
2252
{
2253
    monitor_hd = hd;
2254
    if (show_banner) {
2255
        term_printf("QEMU %s monitor - type 'help' for more information\n",
2256
                    QEMU_VERSION);
2257
    }
2258
    qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2259
    monitor_start_input();
2260
}
2261

    
2262
/* XXX: use threads ? */
2263
/* modal monitor readline */
2264
static int monitor_readline_started;
2265
static char *monitor_readline_buf;
2266
static int monitor_readline_buf_size;
2267

    
2268
static void monitor_readline_cb(void *opaque, const char *input)
2269
{
2270
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2271
    monitor_readline_started = 0;
2272
}
2273

    
2274
void monitor_readline(const char *prompt, int is_password,
2275
                      char *buf, int buf_size)
2276
{
2277
    if (is_password) {
2278
        qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2279
    }
2280
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
2281
    monitor_readline_buf = buf;
2282
    monitor_readline_buf_size = buf_size;
2283
    monitor_readline_started = 1;
2284
    while (monitor_readline_started) {
2285
        main_loop_wait(10);
2286
    }
2287
}