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1
/*
2
 * QEMU monitor
3
 *
4
 * Copyright (c) 2003-2004 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include "hw/hw.h"
25
#include "hw/usb.h"
26
#include "hw/pcmcia.h"
27
#include "hw/pc.h"
28
#include "hw/pci.h"
29
#include "gdbstub.h"
30
#include "net.h"
31
#include "qemu-char.h"
32
#include "sysemu.h"
33
#include "console.h"
34
#include "block.h"
35
#include "audio/audio.h"
36
#include "disas.h"
37
#include <dirent.h>
38

    
39
#ifdef CONFIG_PROFILER
40
#include "qemu-timer.h" /* for ticks_per_sec */
41
#endif
42

    
43
//#define DEBUG
44
//#define DEBUG_COMPLETION
45

    
46
#ifndef offsetof
47
#define offsetof(type, field) ((size_t) &((type *)0)->field)
48
#endif
49

    
50
/*
51
 * Supported types:
52
 *
53
 * 'F'          filename
54
 * 'B'          block device name
55
 * 's'          string (accept optional quote)
56
 * 'i'          32 bit integer
57
 * 'l'          target long (32 or 64 bit)
58
 * '/'          optional gdb-like print format (like "/10x")
59
 *
60
 * '?'          optional type (for 'F', 's' and 'i')
61
 *
62
 */
63

    
64
typedef struct term_cmd_t {
65
    const char *name;
66
    const char *args_type;
67
    void (*handler)();
68
    const char *params;
69
    const char *help;
70
} term_cmd_t;
71

    
72
#define MAX_MON 4
73
static CharDriverState *monitor_hd[MAX_MON];
74
static int hide_banner;
75

    
76
static term_cmd_t term_cmds[];
77
static term_cmd_t info_cmds[];
78

    
79
static uint8_t term_outbuf[1024];
80
static int term_outbuf_index;
81

    
82
static void monitor_start_input(void);
83

    
84
CPUState *mon_cpu = NULL;
85

    
86
void term_flush(void)
87
{
88
    int i;
89
    if (term_outbuf_index > 0) {
90
        for (i = 0; i < MAX_MON; i++)
91
            if (monitor_hd[i] && monitor_hd[i]->focus == 0)
92
                qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
93
        term_outbuf_index = 0;
94
    }
95
}
96

    
97
/* flush at every end of line or if the buffer is full */
98
void term_puts(const char *str)
99
{
100
    char c;
101
    for(;;) {
102
        c = *str++;
103
        if (c == '\0')
104
            break;
105
        if (c == '\n')
106
            term_outbuf[term_outbuf_index++] = '\r';
107
        term_outbuf[term_outbuf_index++] = c;
108
        if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
109
            c == '\n')
110
            term_flush();
111
    }
112
}
113

    
114
void term_vprintf(const char *fmt, va_list ap)
115
{
116
    char buf[4096];
117
    vsnprintf(buf, sizeof(buf), fmt, ap);
118
    term_puts(buf);
119
}
120

    
121
void term_printf(const char *fmt, ...)
122
{
123
    va_list ap;
124
    va_start(ap, fmt);
125
    term_vprintf(fmt, ap);
126
    va_end(ap);
127
}
128

    
129
void term_print_filename(const char *filename)
130
{
131
    int i;
132

    
133
    for (i = 0; filename[i]; i++) {
134
        switch (filename[i]) {
135
        case ' ':
136
        case '"':
137
        case '\\':
138
            term_printf("\\%c", filename[i]);
139
            break;
140
        case '\t':
141
            term_printf("\\t");
142
            break;
143
        case '\r':
144
            term_printf("\\r");
145
            break;
146
        case '\n':
147
            term_printf("\\n");
148
            break;
149
        default:
150
            term_printf("%c", filename[i]);
151
            break;
152
        }
153
    }
154
}
155

    
156
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
157
{
158
    va_list ap;
159
    va_start(ap, fmt);
160
    term_vprintf(fmt, ap);
161
    va_end(ap);
162
    return 0;
163
}
164

    
165
static int compare_cmd(const char *name, const char *list)
166
{
167
    const char *p, *pstart;
168
    int len;
169
    len = strlen(name);
170
    p = list;
171
    for(;;) {
172
        pstart = p;
173
        p = strchr(p, '|');
174
        if (!p)
175
            p = pstart + strlen(pstart);
176
        if ((p - pstart) == len && !memcmp(pstart, name, len))
177
            return 1;
178
        if (*p == '\0')
179
            break;
180
        p++;
181
    }
182
    return 0;
183
}
184

    
185
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
186
{
187
    term_cmd_t *cmd;
188

    
189
    for(cmd = cmds; cmd->name != NULL; cmd++) {
190
        if (!name || !strcmp(name, cmd->name))
191
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
192
    }
193
}
194

    
195
static void help_cmd(const char *name)
196
{
197
    if (name && !strcmp(name, "info")) {
198
        help_cmd1(info_cmds, "info ", NULL);
199
    } else {
200
        help_cmd1(term_cmds, "", name);
201
        if (name && !strcmp(name, "log")) {
202
            CPULogItem *item;
203
            term_printf("Log items (comma separated):\n");
204
            term_printf("%-10s %s\n", "none", "remove all logs");
205
            for(item = cpu_log_items; item->mask != 0; item++) {
206
                term_printf("%-10s %s\n", item->name, item->help);
207
            }
208
        }
209
    }
210
}
211

    
212
static void do_help(const char *name)
213
{
214
    help_cmd(name);
215
}
216

    
217
static void do_commit(const char *device)
218
{
219
    int i, all_devices;
220

    
221
    all_devices = !strcmp(device, "all");
222
    for (i = 0; i < nb_drives; i++) {
223
            if (all_devices ||
224
                !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
225
                bdrv_commit(drives_table[i].bdrv);
226
    }
227
}
228

    
229
static void do_info(const char *item)
230
{
231
    term_cmd_t *cmd;
232

    
233
    if (!item)
234
        goto help;
235
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
236
        if (compare_cmd(item, cmd->name))
237
            goto found;
238
    }
239
 help:
240
    help_cmd("info");
241
    return;
242
 found:
243
    cmd->handler();
244
}
245

    
246
static void do_info_version(void)
247
{
248
  term_printf("%s\n", QEMU_VERSION);
249
}
250

    
251
static void do_info_name(void)
252
{
253
    if (qemu_name)
254
        term_printf("%s\n", qemu_name);
255
}
256

    
257
static void do_info_block(void)
258
{
259
    bdrv_info();
260
}
261

    
262
static void do_info_blockstats(void)
263
{
264
    bdrv_info_stats();
265
}
266

    
267
/* get the current CPU defined by the user */
268
static int mon_set_cpu(int cpu_index)
269
{
270
    CPUState *env;
271

    
272
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
273
        if (env->cpu_index == cpu_index) {
274
            mon_cpu = env;
275
            return 0;
276
        }
277
    }
278
    return -1;
279
}
280

    
281
static CPUState *mon_get_cpu(void)
282
{
283
    if (!mon_cpu) {
284
        mon_set_cpu(0);
285
    }
286
    return mon_cpu;
287
}
288

    
289
static void do_info_registers(void)
290
{
291
    CPUState *env;
292
    env = mon_get_cpu();
293
    if (!env)
294
        return;
295
#ifdef TARGET_I386
296
    cpu_dump_state(env, NULL, monitor_fprintf,
297
                   X86_DUMP_FPU);
298
#else
299
    cpu_dump_state(env, NULL, monitor_fprintf,
300
                   0);
301
#endif
302
}
303

    
304
static void do_info_cpus(void)
305
{
306
    CPUState *env;
307

    
308
    /* just to set the default cpu if not already done */
309
    mon_get_cpu();
310

    
311
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
312
        term_printf("%c CPU #%d:",
313
                    (env == mon_cpu) ? '*' : ' ',
314
                    env->cpu_index);
315
#if defined(TARGET_I386)
316
        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
317
        if (env->hflags & HF_HALTED_MASK)
318
            term_printf(" (halted)");
319
#elif defined(TARGET_PPC)
320
        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
321
        if (env->halted)
322
            term_printf(" (halted)");
323
#elif defined(TARGET_SPARC)
324
        term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
325
        if (env->halted)
326
            term_printf(" (halted)");
327
#elif defined(TARGET_MIPS)
328
        term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
329
        if (env->halted)
330
            term_printf(" (halted)");
331
#endif
332
        term_printf("\n");
333
    }
334
}
335

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

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

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

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

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

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

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

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

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

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

    
408
static void do_change_block(const char *device, const char *filename)
409
{
410
    BlockDriverState *bs;
411

    
412
    bs = bdrv_find(device);
413
    if (!bs) {
414
        term_printf("device not found\n");
415
        return;
416
    }
417
    if (eject_device(bs, 0) < 0)
418
        return;
419
    bdrv_open(bs, filename, 0);
420
    qemu_key_check(bs, filename);
421
}
422

    
423
static void do_change_vnc(const char *target)
424
{
425
    if (strcmp(target, "passwd") == 0 ||
426
        strcmp(target, "password") == 0) {
427
        char password[9];
428
        monitor_readline("Password: ", 1, password, sizeof(password)-1);
429
        password[sizeof(password)-1] = '\0';
430
        if (vnc_display_password(NULL, password) < 0)
431
            term_printf("could not set VNC server password\n");
432
    } else {
433
        if (vnc_display_open(NULL, target) < 0)
434
            term_printf("could not start VNC server on %s\n", target);
435
    }
436
}
437

    
438
static void do_change(const char *device, const char *target)
439
{
440
    if (strcmp(device, "vnc") == 0) {
441
        do_change_vnc(target);
442
    } else {
443
        do_change_block(device, target);
444
    }
445
}
446

    
447
static void do_screen_dump(const char *filename)
448
{
449
    vga_hw_screen_dump(filename);
450
}
451

    
452
static void do_logfile(const char *filename)
453
{
454
    cpu_set_log_filename(filename);
455
}
456

    
457
static void do_log(const char *items)
458
{
459
    int mask;
460

    
461
    if (!strcmp(items, "none")) {
462
        mask = 0;
463
    } else {
464
        mask = cpu_str_to_log_mask(items);
465
        if (!mask) {
466
            help_cmd("log");
467
            return;
468
        }
469
    }
470
    cpu_set_log(mask);
471
}
472

    
473
static void do_stop(void)
474
{
475
    vm_stop(EXCP_INTERRUPT);
476
}
477

    
478
static void do_cont(void)
479
{
480
    vm_start();
481
}
482

    
483
#ifdef CONFIG_GDBSTUB
484
static void do_gdbserver(const char *port)
485
{
486
    if (!port)
487
        port = DEFAULT_GDBSTUB_PORT;
488
    if (gdbserver_start(port) < 0) {
489
        qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
490
    } else {
491
        qemu_printf("Waiting gdb connection on port '%s'\n", port);
492
    }
493
}
494
#endif
495

    
496
static void term_printc(int c)
497
{
498
    term_printf("'");
499
    switch(c) {
500
    case '\'':
501
        term_printf("\\'");
502
        break;
503
    case '\\':
504
        term_printf("\\\\");
505
        break;
506
    case '\n':
507
        term_printf("\\n");
508
        break;
509
    case '\r':
510
        term_printf("\\r");
511
        break;
512
    default:
513
        if (c >= 32 && c <= 126) {
514
            term_printf("%c", c);
515
        } else {
516
            term_printf("\\x%02x", c);
517
        }
518
        break;
519
    }
520
    term_printf("'");
521
}
522

    
523
static void memory_dump(int count, int format, int wsize,
524
                        target_phys_addr_t addr, int is_physical)
525
{
526
    CPUState *env;
527
    int nb_per_line, l, line_size, i, max_digits, len;
528
    uint8_t buf[16];
529
    uint64_t v;
530

    
531
    if (format == 'i') {
532
        int flags;
533
        flags = 0;
534
        env = mon_get_cpu();
535
        if (!env && !is_physical)
536
            return;
537
#ifdef TARGET_I386
538
        if (wsize == 2) {
539
            flags = 1;
540
        } else if (wsize == 4) {
541
            flags = 0;
542
        } else {
543
            /* as default we use the current CS size */
544
            flags = 0;
545
            if (env) {
546
#ifdef TARGET_X86_64
547
                if ((env->efer & MSR_EFER_LMA) &&
548
                    (env->segs[R_CS].flags & DESC_L_MASK))
549
                    flags = 2;
550
                else
551
#endif
552
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
553
                    flags = 1;
554
            }
555
        }
556
#endif
557
        monitor_disas(env, addr, count, is_physical, flags);
558
        return;
559
    }
560

    
561
    len = wsize * count;
562
    if (wsize == 1)
563
        line_size = 8;
564
    else
565
        line_size = 16;
566
    nb_per_line = line_size / wsize;
567
    max_digits = 0;
568

    
569
    switch(format) {
570
    case 'o':
571
        max_digits = (wsize * 8 + 2) / 3;
572
        break;
573
    default:
574
    case 'x':
575
        max_digits = (wsize * 8) / 4;
576
        break;
577
    case 'u':
578
    case 'd':
579
        max_digits = (wsize * 8 * 10 + 32) / 33;
580
        break;
581
    case 'c':
582
        wsize = 1;
583
        break;
584
    }
585

    
586
    while (len > 0) {
587
        if (is_physical)
588
            term_printf(TARGET_FMT_plx ":", addr);
589
        else
590
            term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
591
        l = len;
592
        if (l > line_size)
593
            l = line_size;
594
        if (is_physical) {
595
            cpu_physical_memory_rw(addr, buf, l, 0);
596
        } else {
597
            env = mon_get_cpu();
598
            if (!env)
599
                break;
600
            cpu_memory_rw_debug(env, addr, buf, l, 0);
601
        }
602
        i = 0;
603
        while (i < l) {
604
            switch(wsize) {
605
            default:
606
            case 1:
607
                v = ldub_raw(buf + i);
608
                break;
609
            case 2:
610
                v = lduw_raw(buf + i);
611
                break;
612
            case 4:
613
                v = (uint32_t)ldl_raw(buf + i);
614
                break;
615
            case 8:
616
                v = ldq_raw(buf + i);
617
                break;
618
            }
619
            term_printf(" ");
620
            switch(format) {
621
            case 'o':
622
                term_printf("%#*" PRIo64, max_digits, v);
623
                break;
624
            case 'x':
625
                term_printf("0x%0*" PRIx64, max_digits, v);
626
                break;
627
            case 'u':
628
                term_printf("%*" PRIu64, max_digits, v);
629
                break;
630
            case 'd':
631
                term_printf("%*" PRId64, max_digits, v);
632
                break;
633
            case 'c':
634
                term_printc(v);
635
                break;
636
            }
637
            i += wsize;
638
        }
639
        term_printf("\n");
640
        addr += l;
641
        len -= l;
642
    }
643
}
644

    
645
#if TARGET_LONG_BITS == 64
646
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
647
#else
648
#define GET_TLONG(h, l) (l)
649
#endif
650

    
651
static void do_memory_dump(int count, int format, int size,
652
                           uint32_t addrh, uint32_t addrl)
653
{
654
    target_long addr = GET_TLONG(addrh, addrl);
655
    memory_dump(count, format, size, addr, 0);
656
}
657

    
658
#if TARGET_PHYS_ADDR_BITS > 32
659
#define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
660
#else
661
#define GET_TPHYSADDR(h, l) (l)
662
#endif
663

    
664
static void do_physical_memory_dump(int count, int format, int size,
665
                                    uint32_t addrh, uint32_t addrl)
666

    
667
{
668
    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
669
    memory_dump(count, format, size, addr, 1);
670
}
671

    
672
static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
673
{
674
    target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
675
#if TARGET_PHYS_ADDR_BITS == 32
676
    switch(format) {
677
    case 'o':
678
        term_printf("%#o", val);
679
        break;
680
    case 'x':
681
        term_printf("%#x", val);
682
        break;
683
    case 'u':
684
        term_printf("%u", val);
685
        break;
686
    default:
687
    case 'd':
688
        term_printf("%d", val);
689
        break;
690
    case 'c':
691
        term_printc(val);
692
        break;
693
    }
694
#else
695
    switch(format) {
696
    case 'o':
697
        term_printf("%#" PRIo64, val);
698
        break;
699
    case 'x':
700
        term_printf("%#" PRIx64, val);
701
        break;
702
    case 'u':
703
        term_printf("%" PRIu64, val);
704
        break;
705
    default:
706
    case 'd':
707
        term_printf("%" PRId64, val);
708
        break;
709
    case 'c':
710
        term_printc(val);
711
        break;
712
    }
713
#endif
714
    term_printf("\n");
715
}
716

    
717
static void do_memory_save(unsigned int valh, unsigned int vall,
718
                           uint32_t size, const char *filename)
719
{
720
    FILE *f;
721
    target_long addr = GET_TLONG(valh, vall);
722
    uint32_t l;
723
    CPUState *env;
724
    uint8_t buf[1024];
725

    
726
    env = mon_get_cpu();
727
    if (!env)
728
        return;
729

    
730
    f = fopen(filename, "wb");
731
    if (!f) {
732
        term_printf("could not open '%s'\n", filename);
733
        return;
734
    }
735
    while (size != 0) {
736
        l = sizeof(buf);
737
        if (l > size)
738
            l = size;
739
        cpu_memory_rw_debug(env, addr, buf, l, 0);
740
        fwrite(buf, 1, l, f);
741
        addr += l;
742
        size -= l;
743
    }
744
    fclose(f);
745
}
746

    
747
static void do_physical_memory_save(unsigned int valh, unsigned int vall,
748
                                    uint32_t size, const char *filename)
749
{
750
    FILE *f;
751
    uint32_t l;
752
    uint8_t buf[1024];
753
    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
754

    
755
    f = fopen(filename, "wb");
756
    if (!f) {
757
        term_printf("could not open '%s'\n", filename);
758
        return;
759
    }
760
    while (size != 0) {
761
        l = sizeof(buf);
762
        if (l > size)
763
            l = size;
764
        cpu_physical_memory_rw(addr, buf, l, 0);
765
        fwrite(buf, 1, l, f);
766
        fflush(f);
767
        addr += l;
768
        size -= l;
769
    }
770
    fclose(f);
771
}
772

    
773
static void do_sum(uint32_t start, uint32_t size)
774
{
775
    uint32_t addr;
776
    uint8_t buf[1];
777
    uint16_t sum;
778

    
779
    sum = 0;
780
    for(addr = start; addr < (start + size); addr++) {
781
        cpu_physical_memory_rw(addr, buf, 1, 0);
782
        /* BSD sum algorithm ('sum' Unix command) */
783
        sum = (sum >> 1) | (sum << 15);
784
        sum += buf[0];
785
    }
786
    term_printf("%05d\n", sum);
787
}
788

    
789
typedef struct {
790
    int keycode;
791
    const char *name;
792
} KeyDef;
793

    
794
static const KeyDef key_defs[] = {
795
    { 0x2a, "shift" },
796
    { 0x36, "shift_r" },
797

    
798
    { 0x38, "alt" },
799
    { 0xb8, "alt_r" },
800
    { 0x1d, "ctrl" },
801
    { 0x9d, "ctrl_r" },
802

    
803
    { 0xdd, "menu" },
804

    
805
    { 0x01, "esc" },
806

    
807
    { 0x02, "1" },
808
    { 0x03, "2" },
809
    { 0x04, "3" },
810
    { 0x05, "4" },
811
    { 0x06, "5" },
812
    { 0x07, "6" },
813
    { 0x08, "7" },
814
    { 0x09, "8" },
815
    { 0x0a, "9" },
816
    { 0x0b, "0" },
817
    { 0x0c, "minus" },
818
    { 0x0d, "equal" },
819
    { 0x0e, "backspace" },
820

    
821
    { 0x0f, "tab" },
822
    { 0x10, "q" },
823
    { 0x11, "w" },
824
    { 0x12, "e" },
825
    { 0x13, "r" },
826
    { 0x14, "t" },
827
    { 0x15, "y" },
828
    { 0x16, "u" },
829
    { 0x17, "i" },
830
    { 0x18, "o" },
831
    { 0x19, "p" },
832

    
833
    { 0x1c, "ret" },
834

    
835
    { 0x1e, "a" },
836
    { 0x1f, "s" },
837
    { 0x20, "d" },
838
    { 0x21, "f" },
839
    { 0x22, "g" },
840
    { 0x23, "h" },
841
    { 0x24, "j" },
842
    { 0x25, "k" },
843
    { 0x26, "l" },
844

    
845
    { 0x2c, "z" },
846
    { 0x2d, "x" },
847
    { 0x2e, "c" },
848
    { 0x2f, "v" },
849
    { 0x30, "b" },
850
    { 0x31, "n" },
851
    { 0x32, "m" },
852

    
853
    { 0x37, "asterisk" },
854

    
855
    { 0x39, "spc" },
856
    { 0x3a, "caps_lock" },
857
    { 0x3b, "f1" },
858
    { 0x3c, "f2" },
859
    { 0x3d, "f3" },
860
    { 0x3e, "f4" },
861
    { 0x3f, "f5" },
862
    { 0x40, "f6" },
863
    { 0x41, "f7" },
864
    { 0x42, "f8" },
865
    { 0x43, "f9" },
866
    { 0x44, "f10" },
867
    { 0x45, "num_lock" },
868
    { 0x46, "scroll_lock" },
869

    
870
    { 0xb5, "kp_divide" },
871
    { 0x37, "kp_multiply" },
872
    { 0x4a, "kp_subtract" },
873
    { 0x4e, "kp_add" },
874
    { 0x9c, "kp_enter" },
875
    { 0x53, "kp_decimal" },
876

    
877
    { 0x52, "kp_0" },
878
    { 0x4f, "kp_1" },
879
    { 0x50, "kp_2" },
880
    { 0x51, "kp_3" },
881
    { 0x4b, "kp_4" },
882
    { 0x4c, "kp_5" },
883
    { 0x4d, "kp_6" },
884
    { 0x47, "kp_7" },
885
    { 0x48, "kp_8" },
886
    { 0x49, "kp_9" },
887

    
888
    { 0x56, "<" },
889

    
890
    { 0x57, "f11" },
891
    { 0x58, "f12" },
892

    
893
    { 0xb7, "print" },
894

    
895
    { 0xc7, "home" },
896
    { 0xc9, "pgup" },
897
    { 0xd1, "pgdn" },
898
    { 0xcf, "end" },
899

    
900
    { 0xcb, "left" },
901
    { 0xc8, "up" },
902
    { 0xd0, "down" },
903
    { 0xcd, "right" },
904

    
905
    { 0xd2, "insert" },
906
    { 0xd3, "delete" },
907
    { 0, NULL },
908
};
909

    
910
static int get_keycode(const char *key)
911
{
912
    const KeyDef *p;
913
    char *endp;
914
    int ret;
915

    
916
    for(p = key_defs; p->name != NULL; p++) {
917
        if (!strcmp(key, p->name))
918
            return p->keycode;
919
    }
920
    if (strstart(key, "0x", NULL)) {
921
        ret = strtoul(key, &endp, 0);
922
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
923
            return ret;
924
    }
925
    return -1;
926
}
927

    
928
static void do_send_key(const char *string)
929
{
930
    char keybuf[16], *q;
931
    uint8_t keycodes[16];
932
    const char *p;
933
    int nb_keycodes, keycode, i;
934

    
935
    nb_keycodes = 0;
936
    p = string;
937
    while (*p != '\0') {
938
        q = keybuf;
939
        while (*p != '\0' && *p != '-') {
940
            if ((q - keybuf) < sizeof(keybuf) - 1) {
941
                *q++ = *p;
942
            }
943
            p++;
944
        }
945
        *q = '\0';
946
        keycode = get_keycode(keybuf);
947
        if (keycode < 0) {
948
            term_printf("unknown key: '%s'\n", keybuf);
949
            return;
950
        }
951
        keycodes[nb_keycodes++] = keycode;
952
        if (*p == '\0')
953
            break;
954
        p++;
955
    }
956
    /* key down events */
957
    for(i = 0; i < nb_keycodes; i++) {
958
        keycode = keycodes[i];
959
        if (keycode & 0x80)
960
            kbd_put_keycode(0xe0);
961
        kbd_put_keycode(keycode & 0x7f);
962
    }
963
    /* key up events */
964
    for(i = nb_keycodes - 1; i >= 0; i--) {
965
        keycode = keycodes[i];
966
        if (keycode & 0x80)
967
            kbd_put_keycode(0xe0);
968
        kbd_put_keycode(keycode | 0x80);
969
    }
970
}
971

    
972
static int mouse_button_state;
973

    
974
static void do_mouse_move(const char *dx_str, const char *dy_str,
975
                          const char *dz_str)
976
{
977
    int dx, dy, dz;
978
    dx = strtol(dx_str, NULL, 0);
979
    dy = strtol(dy_str, NULL, 0);
980
    dz = 0;
981
    if (dz_str)
982
        dz = strtol(dz_str, NULL, 0);
983
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
984
}
985

    
986
static void do_mouse_button(int button_state)
987
{
988
    mouse_button_state = button_state;
989
    kbd_mouse_event(0, 0, 0, mouse_button_state);
990
}
991

    
992
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
993
{
994
    uint32_t val;
995
    int suffix;
996

    
997
    if (has_index) {
998
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
999
        addr++;
1000
    }
1001
    addr &= 0xffff;
1002

    
1003
    switch(size) {
1004
    default:
1005
    case 1:
1006
        val = cpu_inb(NULL, addr);
1007
        suffix = 'b';
1008
        break;
1009
    case 2:
1010
        val = cpu_inw(NULL, addr);
1011
        suffix = 'w';
1012
        break;
1013
    case 4:
1014
        val = cpu_inl(NULL, addr);
1015
        suffix = 'l';
1016
        break;
1017
    }
1018
    term_printf("port%c[0x%04x] = %#0*x\n",
1019
                suffix, addr, size * 2, val);
1020
}
1021

    
1022
static void do_boot_set(const char *bootdevice)
1023
{
1024
    int res;
1025

    
1026
    if (qemu_boot_set_handler)  {
1027
        res = qemu_boot_set_handler(bootdevice);
1028
        if (res == 0)
1029
            term_printf("boot device list now set to %s\n", bootdevice);
1030
        else
1031
            term_printf("setting boot device list failed with error %i\n", res);
1032
    } else {
1033
        term_printf("no function defined to set boot device list for this architecture\n");
1034
    }
1035
}
1036

    
1037
static void do_system_reset(void)
1038
{
1039
    qemu_system_reset_request();
1040
}
1041

    
1042
static void do_system_powerdown(void)
1043
{
1044
    qemu_system_powerdown_request();
1045
}
1046

    
1047
#if defined(TARGET_I386)
1048
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1049
{
1050
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1051
                addr,
1052
                pte & mask,
1053
                pte & PG_GLOBAL_MASK ? 'G' : '-',
1054
                pte & PG_PSE_MASK ? 'P' : '-',
1055
                pte & PG_DIRTY_MASK ? 'D' : '-',
1056
                pte & PG_ACCESSED_MASK ? 'A' : '-',
1057
                pte & PG_PCD_MASK ? 'C' : '-',
1058
                pte & PG_PWT_MASK ? 'T' : '-',
1059
                pte & PG_USER_MASK ? 'U' : '-',
1060
                pte & PG_RW_MASK ? 'W' : '-');
1061
}
1062

    
1063
static void tlb_info(void)
1064
{
1065
    CPUState *env;
1066
    int l1, l2;
1067
    uint32_t pgd, pde, pte;
1068

    
1069
    env = mon_get_cpu();
1070
    if (!env)
1071
        return;
1072

    
1073
    if (!(env->cr[0] & CR0_PG_MASK)) {
1074
        term_printf("PG disabled\n");
1075
        return;
1076
    }
1077
    pgd = env->cr[3] & ~0xfff;
1078
    for(l1 = 0; l1 < 1024; l1++) {
1079
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1080
        pde = le32_to_cpu(pde);
1081
        if (pde & PG_PRESENT_MASK) {
1082
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1083
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1084
            } else {
1085
                for(l2 = 0; l2 < 1024; l2++) {
1086
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1087
                                             (uint8_t *)&pte, 4);
1088
                    pte = le32_to_cpu(pte);
1089
                    if (pte & PG_PRESENT_MASK) {
1090
                        print_pte((l1 << 22) + (l2 << 12),
1091
                                  pte & ~PG_PSE_MASK,
1092
                                  ~0xfff);
1093
                    }
1094
                }
1095
            }
1096
        }
1097
    }
1098
}
1099

    
1100
static void mem_print(uint32_t *pstart, int *plast_prot,
1101
                      uint32_t end, int prot)
1102
{
1103
    int prot1;
1104
    prot1 = *plast_prot;
1105
    if (prot != prot1) {
1106
        if (*pstart != -1) {
1107
            term_printf("%08x-%08x %08x %c%c%c\n",
1108
                        *pstart, end, end - *pstart,
1109
                        prot1 & PG_USER_MASK ? 'u' : '-',
1110
                        'r',
1111
                        prot1 & PG_RW_MASK ? 'w' : '-');
1112
        }
1113
        if (prot != 0)
1114
            *pstart = end;
1115
        else
1116
            *pstart = -1;
1117
        *plast_prot = prot;
1118
    }
1119
}
1120

    
1121
static void mem_info(void)
1122
{
1123
    CPUState *env;
1124
    int l1, l2, prot, last_prot;
1125
    uint32_t pgd, pde, pte, start, end;
1126

    
1127
    env = mon_get_cpu();
1128
    if (!env)
1129
        return;
1130

    
1131
    if (!(env->cr[0] & CR0_PG_MASK)) {
1132
        term_printf("PG disabled\n");
1133
        return;
1134
    }
1135
    pgd = env->cr[3] & ~0xfff;
1136
    last_prot = 0;
1137
    start = -1;
1138
    for(l1 = 0; l1 < 1024; l1++) {
1139
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1140
        pde = le32_to_cpu(pde);
1141
        end = l1 << 22;
1142
        if (pde & PG_PRESENT_MASK) {
1143
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1144
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1145
                mem_print(&start, &last_prot, end, prot);
1146
            } else {
1147
                for(l2 = 0; l2 < 1024; l2++) {
1148
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1149
                                             (uint8_t *)&pte, 4);
1150
                    pte = le32_to_cpu(pte);
1151
                    end = (l1 << 22) + (l2 << 12);
1152
                    if (pte & PG_PRESENT_MASK) {
1153
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1154
                    } else {
1155
                        prot = 0;
1156
                    }
1157
                    mem_print(&start, &last_prot, end, prot);
1158
                }
1159
            }
1160
        } else {
1161
            prot = 0;
1162
            mem_print(&start, &last_prot, end, prot);
1163
        }
1164
    }
1165
}
1166
#endif
1167

    
1168
static void do_info_kqemu(void)
1169
{
1170
#ifdef USE_KQEMU
1171
    CPUState *env;
1172
    int val;
1173
    val = 0;
1174
    env = mon_get_cpu();
1175
    if (!env) {
1176
        term_printf("No cpu initialized yet");
1177
        return;
1178
    }
1179
    val = env->kqemu_enabled;
1180
    term_printf("kqemu support: ");
1181
    switch(val) {
1182
    default:
1183
    case 0:
1184
        term_printf("disabled\n");
1185
        break;
1186
    case 1:
1187
        term_printf("enabled for user code\n");
1188
        break;
1189
    case 2:
1190
        term_printf("enabled for user and kernel code\n");
1191
        break;
1192
    }
1193
#else
1194
    term_printf("kqemu support: not compiled\n");
1195
#endif
1196
}
1197

    
1198
#ifdef CONFIG_PROFILER
1199

    
1200
int64_t kqemu_time;
1201
int64_t qemu_time;
1202
int64_t kqemu_exec_count;
1203
int64_t dev_time;
1204
int64_t kqemu_ret_int_count;
1205
int64_t kqemu_ret_excp_count;
1206
int64_t kqemu_ret_intr_count;
1207

    
1208
static void do_info_profile(void)
1209
{
1210
    int64_t total;
1211
    total = qemu_time;
1212
    if (total == 0)
1213
        total = 1;
1214
    term_printf("async time  %" PRId64 " (%0.3f)\n",
1215
                dev_time, dev_time / (double)ticks_per_sec);
1216
    term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1217
                qemu_time, qemu_time / (double)ticks_per_sec);
1218
    term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1219
                kqemu_time, kqemu_time / (double)ticks_per_sec,
1220
                kqemu_time / (double)total * 100.0,
1221
                kqemu_exec_count,
1222
                kqemu_ret_int_count,
1223
                kqemu_ret_excp_count,
1224
                kqemu_ret_intr_count);
1225
    qemu_time = 0;
1226
    kqemu_time = 0;
1227
    kqemu_exec_count = 0;
1228
    dev_time = 0;
1229
    kqemu_ret_int_count = 0;
1230
    kqemu_ret_excp_count = 0;
1231
    kqemu_ret_intr_count = 0;
1232
#ifdef USE_KQEMU
1233
    kqemu_record_dump();
1234
#endif
1235
}
1236
#else
1237
static void do_info_profile(void)
1238
{
1239
    term_printf("Internal profiler not compiled\n");
1240
}
1241
#endif
1242

    
1243
/* Capture support */
1244
static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1245

    
1246
static void do_info_capture (void)
1247
{
1248
    int i;
1249
    CaptureState *s;
1250

    
1251
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1252
        term_printf ("[%d]: ", i);
1253
        s->ops.info (s->opaque);
1254
    }
1255
}
1256

    
1257
static void do_stop_capture (int n)
1258
{
1259
    int i;
1260
    CaptureState *s;
1261

    
1262
    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1263
        if (i == n) {
1264
            s->ops.destroy (s->opaque);
1265
            LIST_REMOVE (s, entries);
1266
            qemu_free (s);
1267
            return;
1268
        }
1269
    }
1270
}
1271

    
1272
#ifdef HAS_AUDIO
1273
int wav_start_capture (CaptureState *s, const char *path, int freq,
1274
                       int bits, int nchannels);
1275

    
1276
static void do_wav_capture (const char *path,
1277
                            int has_freq, int freq,
1278
                            int has_bits, int bits,
1279
                            int has_channels, int nchannels)
1280
{
1281
    CaptureState *s;
1282

    
1283
    s = qemu_mallocz (sizeof (*s));
1284
    if (!s) {
1285
        term_printf ("Not enough memory to add wave capture\n");
1286
        return;
1287
    }
1288

    
1289
    freq = has_freq ? freq : 44100;
1290
    bits = has_bits ? bits : 16;
1291
    nchannels = has_channels ? nchannels : 2;
1292

    
1293
    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1294
        term_printf ("Faied to add wave capture\n");
1295
        qemu_free (s);
1296
    }
1297
    LIST_INSERT_HEAD (&capture_head, s, entries);
1298
}
1299
#endif
1300

    
1301
#if defined(TARGET_I386)
1302
static void do_inject_nmi(int cpu_index)
1303
{
1304
    CPUState *env;
1305

    
1306
    for (env = first_cpu; env != NULL; env = env->next_cpu)
1307
        if (env->cpu_index == cpu_index) {
1308
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
1309
            break;
1310
        }
1311
}
1312
#endif
1313

    
1314
static term_cmd_t term_cmds[] = {
1315
    { "help|?", "s?", do_help,
1316
      "[cmd]", "show the help" },
1317
    { "commit", "s", do_commit,
1318
      "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1319
    { "info", "s?", do_info,
1320
      "subcommand", "show various information about the system state" },
1321
    { "q|quit", "", do_quit,
1322
      "", "quit the emulator" },
1323
    { "eject", "-fB", do_eject,
1324
      "[-f] device", "eject a removable medium (use -f to force it)" },
1325
    { "change", "BF", do_change,
1326
      "device filename", "change a removable medium" },
1327
    { "screendump", "F", do_screen_dump,
1328
      "filename", "save screen into PPM image 'filename'" },
1329
    { "logfile", "F", do_logfile,
1330
      "filename", "output logs to 'filename'" },
1331
    { "log", "s", do_log,
1332
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1333
    { "savevm", "s?", do_savevm,
1334
      "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1335
    { "loadvm", "s", do_loadvm,
1336
      "tag|id", "restore a VM snapshot from its tag or id" },
1337
    { "delvm", "s", do_delvm,
1338
      "tag|id", "delete a VM snapshot from its tag or id" },
1339
    { "stop", "", do_stop,
1340
      "", "stop emulation", },
1341
    { "c|cont", "", do_cont,
1342
      "", "resume emulation", },
1343
#ifdef CONFIG_GDBSTUB
1344
    { "gdbserver", "s?", do_gdbserver,
1345
      "[port]", "start gdbserver session (default port=1234)", },
1346
#endif
1347
    { "x", "/l", do_memory_dump,
1348
      "/fmt addr", "virtual memory dump starting at 'addr'", },
1349
    { "xp", "/l", do_physical_memory_dump,
1350
      "/fmt addr", "physical memory dump starting at 'addr'", },
1351
    { "p|print", "/l", do_print,
1352
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
1353
    { "i", "/ii.", do_ioport_read,
1354
      "/fmt addr", "I/O port read" },
1355

    
1356
    { "sendkey", "s", do_send_key,
1357
      "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1358
    { "system_reset", "", do_system_reset,
1359
      "", "reset the system" },
1360
    { "system_powerdown", "", do_system_powerdown,
1361
      "", "send system power down event" },
1362
    { "sum", "ii", do_sum,
1363
      "addr size", "compute the checksum of a memory region" },
1364
    { "usb_add", "s", do_usb_add,
1365
      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1366
    { "usb_del", "s", do_usb_del,
1367
      "device", "remove USB device 'bus.addr'" },
1368
    { "cpu", "i", do_cpu_set,
1369
      "index", "set the default CPU" },
1370
    { "mouse_move", "sss?", do_mouse_move,
1371
      "dx dy [dz]", "send mouse move events" },
1372
    { "mouse_button", "i", do_mouse_button,
1373
      "state", "change mouse button state (1=L, 2=M, 4=R)" },
1374
    { "mouse_set", "i", do_mouse_set,
1375
      "index", "set which mouse device receives events" },
1376
#ifdef HAS_AUDIO
1377
    { "wavcapture", "si?i?i?", do_wav_capture,
1378
      "path [frequency bits channels]",
1379
      "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1380
#endif
1381
     { "stopcapture", "i", do_stop_capture,
1382
       "capture index", "stop capture" },
1383
    { "memsave", "lis", do_memory_save,
1384
      "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1385
    { "pmemsave", "lis", do_physical_memory_save,
1386
      "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1387
    { "boot_set", "s", do_boot_set,
1388
      "bootdevice", "define new values for the boot device list" },
1389
#if defined(TARGET_I386)
1390
    { "nmi", "i", do_inject_nmi,
1391
      "cpu", "inject an NMI on the given CPU", },
1392
#endif
1393
    { NULL, NULL, },
1394
};
1395

    
1396
static term_cmd_t info_cmds[] = {
1397
    { "version", "", do_info_version,
1398
      "", "show the version of qemu" },
1399
    { "network", "", do_info_network,
1400
      "", "show the network state" },
1401
    { "block", "", do_info_block,
1402
      "", "show the block devices" },
1403
    { "blockstats", "", do_info_blockstats,
1404
      "", "show block device statistics" },
1405
    { "registers", "", do_info_registers,
1406
      "", "show the cpu registers" },
1407
    { "cpus", "", do_info_cpus,
1408
      "", "show infos for each CPU" },
1409
    { "history", "", do_info_history,
1410
      "", "show the command line history", },
1411
    { "irq", "", irq_info,
1412
      "", "show the interrupts statistics (if available)", },
1413
    { "pic", "", pic_info,
1414
      "", "show i8259 (PIC) state", },
1415
    { "pci", "", pci_info,
1416
      "", "show PCI info", },
1417
#if defined(TARGET_I386)
1418
    { "tlb", "", tlb_info,
1419
      "", "show virtual to physical memory mappings", },
1420
    { "mem", "", mem_info,
1421
      "", "show the active virtual memory mappings", },
1422
#endif
1423
    { "jit", "", do_info_jit,
1424
      "", "show dynamic compiler info", },
1425
    { "kqemu", "", do_info_kqemu,
1426
      "", "show kqemu information", },
1427
    { "usb", "", usb_info,
1428
      "", "show guest USB devices", },
1429
    { "usbhost", "", usb_host_info,
1430
      "", "show host USB devices", },
1431
    { "profile", "", do_info_profile,
1432
      "", "show profiling information", },
1433
    { "capture", "", do_info_capture,
1434
      "", "show capture information" },
1435
    { "snapshots", "", do_info_snapshots,
1436
      "", "show the currently saved VM snapshots" },
1437
    { "pcmcia", "", pcmcia_info,
1438
      "", "show guest PCMCIA status" },
1439
    { "mice", "", do_info_mice,
1440
      "", "show which guest mouse is receiving events" },
1441
    { "vnc", "", do_info_vnc,
1442
      "", "show the vnc server status"},
1443
    { "name", "", do_info_name,
1444
      "", "show the current VM name" },
1445
#if defined(TARGET_PPC)
1446
    { "cpustats", "", do_info_cpu_stats,
1447
      "", "show CPU statistics", },
1448
#endif
1449
#if defined(CONFIG_SLIRP)
1450
    { "slirp", "", do_info_slirp,
1451
      "", "show SLIRP statistics", },
1452
#endif
1453
    { NULL, NULL, },
1454
};
1455

    
1456
/*******************************************************************/
1457

    
1458
static const char *pch;
1459
static jmp_buf expr_env;
1460

    
1461
#define MD_TLONG 0
1462
#define MD_I32   1
1463

    
1464
typedef struct MonitorDef {
1465
    const char *name;
1466
    int offset;
1467
    target_long (*get_value)(struct MonitorDef *md, int val);
1468
    int type;
1469
} MonitorDef;
1470

    
1471
#if defined(TARGET_I386)
1472
static target_long monitor_get_pc (struct MonitorDef *md, int val)
1473
{
1474
    CPUState *env = mon_get_cpu();
1475
    if (!env)
1476
        return 0;
1477
    return env->eip + env->segs[R_CS].base;
1478
}
1479
#endif
1480

    
1481
#if defined(TARGET_PPC)
1482
static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1483
{
1484
    CPUState *env = mon_get_cpu();
1485
    unsigned int u;
1486
    int i;
1487

    
1488
    if (!env)
1489
        return 0;
1490

    
1491
    u = 0;
1492
    for (i = 0; i < 8; i++)
1493
        u |= env->crf[i] << (32 - (4 * i));
1494

    
1495
    return u;
1496
}
1497

    
1498
static target_long monitor_get_msr (struct MonitorDef *md, int val)
1499
{
1500
    CPUState *env = mon_get_cpu();
1501
    if (!env)
1502
        return 0;
1503
    return env->msr;
1504
}
1505

    
1506
static target_long monitor_get_xer (struct MonitorDef *md, int val)
1507
{
1508
    CPUState *env = mon_get_cpu();
1509
    if (!env)
1510
        return 0;
1511
    return ppc_load_xer(env);
1512
}
1513

    
1514
static target_long monitor_get_decr (struct MonitorDef *md, int val)
1515
{
1516
    CPUState *env = mon_get_cpu();
1517
    if (!env)
1518
        return 0;
1519
    return cpu_ppc_load_decr(env);
1520
}
1521

    
1522
static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1523
{
1524
    CPUState *env = mon_get_cpu();
1525
    if (!env)
1526
        return 0;
1527
    return cpu_ppc_load_tbu(env);
1528
}
1529

    
1530
static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1531
{
1532
    CPUState *env = mon_get_cpu();
1533
    if (!env)
1534
        return 0;
1535
    return cpu_ppc_load_tbl(env);
1536
}
1537
#endif
1538

    
1539
#if defined(TARGET_SPARC)
1540
#ifndef TARGET_SPARC64
1541
static target_long monitor_get_psr (struct MonitorDef *md, int val)
1542
{
1543
    CPUState *env = mon_get_cpu();
1544
    if (!env)
1545
        return 0;
1546
    return GET_PSR(env);
1547
}
1548
#endif
1549

    
1550
static target_long monitor_get_reg(struct MonitorDef *md, int val)
1551
{
1552
    CPUState *env = mon_get_cpu();
1553
    if (!env)
1554
        return 0;
1555
    return env->regwptr[val];
1556
}
1557
#endif
1558

    
1559
static MonitorDef monitor_defs[] = {
1560
#ifdef TARGET_I386
1561

    
1562
#define SEG(name, seg) \
1563
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1564
    { name ".base", offsetof(CPUState, segs[seg].base) },\
1565
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1566

    
1567
    { "eax", offsetof(CPUState, regs[0]) },
1568
    { "ecx", offsetof(CPUState, regs[1]) },
1569
    { "edx", offsetof(CPUState, regs[2]) },
1570
    { "ebx", offsetof(CPUState, regs[3]) },
1571
    { "esp|sp", offsetof(CPUState, regs[4]) },
1572
    { "ebp|fp", offsetof(CPUState, regs[5]) },
1573
    { "esi", offsetof(CPUState, regs[6]) },
1574
    { "edi", offsetof(CPUState, regs[7]) },
1575
#ifdef TARGET_X86_64
1576
    { "r8", offsetof(CPUState, regs[8]) },
1577
    { "r9", offsetof(CPUState, regs[9]) },
1578
    { "r10", offsetof(CPUState, regs[10]) },
1579
    { "r11", offsetof(CPUState, regs[11]) },
1580
    { "r12", offsetof(CPUState, regs[12]) },
1581
    { "r13", offsetof(CPUState, regs[13]) },
1582
    { "r14", offsetof(CPUState, regs[14]) },
1583
    { "r15", offsetof(CPUState, regs[15]) },
1584
#endif
1585
    { "eflags", offsetof(CPUState, eflags) },
1586
    { "eip", offsetof(CPUState, eip) },
1587
    SEG("cs", R_CS)
1588
    SEG("ds", R_DS)
1589
    SEG("es", R_ES)
1590
    SEG("ss", R_SS)
1591
    SEG("fs", R_FS)
1592
    SEG("gs", R_GS)
1593
    { "pc", 0, monitor_get_pc, },
1594
#elif defined(TARGET_PPC)
1595
    /* General purpose registers */
1596
    { "r0", offsetof(CPUState, gpr[0]) },
1597
    { "r1", offsetof(CPUState, gpr[1]) },
1598
    { "r2", offsetof(CPUState, gpr[2]) },
1599
    { "r3", offsetof(CPUState, gpr[3]) },
1600
    { "r4", offsetof(CPUState, gpr[4]) },
1601
    { "r5", offsetof(CPUState, gpr[5]) },
1602
    { "r6", offsetof(CPUState, gpr[6]) },
1603
    { "r7", offsetof(CPUState, gpr[7]) },
1604
    { "r8", offsetof(CPUState, gpr[8]) },
1605
    { "r9", offsetof(CPUState, gpr[9]) },
1606
    { "r10", offsetof(CPUState, gpr[10]) },
1607
    { "r11", offsetof(CPUState, gpr[11]) },
1608
    { "r12", offsetof(CPUState, gpr[12]) },
1609
    { "r13", offsetof(CPUState, gpr[13]) },
1610
    { "r14", offsetof(CPUState, gpr[14]) },
1611
    { "r15", offsetof(CPUState, gpr[15]) },
1612
    { "r16", offsetof(CPUState, gpr[16]) },
1613
    { "r17", offsetof(CPUState, gpr[17]) },
1614
    { "r18", offsetof(CPUState, gpr[18]) },
1615
    { "r19", offsetof(CPUState, gpr[19]) },
1616
    { "r20", offsetof(CPUState, gpr[20]) },
1617
    { "r21", offsetof(CPUState, gpr[21]) },
1618
    { "r22", offsetof(CPUState, gpr[22]) },
1619
    { "r23", offsetof(CPUState, gpr[23]) },
1620
    { "r24", offsetof(CPUState, gpr[24]) },
1621
    { "r25", offsetof(CPUState, gpr[25]) },
1622
    { "r26", offsetof(CPUState, gpr[26]) },
1623
    { "r27", offsetof(CPUState, gpr[27]) },
1624
    { "r28", offsetof(CPUState, gpr[28]) },
1625
    { "r29", offsetof(CPUState, gpr[29]) },
1626
    { "r30", offsetof(CPUState, gpr[30]) },
1627
    { "r31", offsetof(CPUState, gpr[31]) },
1628
    /* Floating point registers */
1629
    { "f0", offsetof(CPUState, fpr[0]) },
1630
    { "f1", offsetof(CPUState, fpr[1]) },
1631
    { "f2", offsetof(CPUState, fpr[2]) },
1632
    { "f3", offsetof(CPUState, fpr[3]) },
1633
    { "f4", offsetof(CPUState, fpr[4]) },
1634
    { "f5", offsetof(CPUState, fpr[5]) },
1635
    { "f6", offsetof(CPUState, fpr[6]) },
1636
    { "f7", offsetof(CPUState, fpr[7]) },
1637
    { "f8", offsetof(CPUState, fpr[8]) },
1638
    { "f9", offsetof(CPUState, fpr[9]) },
1639
    { "f10", offsetof(CPUState, fpr[10]) },
1640
    { "f11", offsetof(CPUState, fpr[11]) },
1641
    { "f12", offsetof(CPUState, fpr[12]) },
1642
    { "f13", offsetof(CPUState, fpr[13]) },
1643
    { "f14", offsetof(CPUState, fpr[14]) },
1644
    { "f15", offsetof(CPUState, fpr[15]) },
1645
    { "f16", offsetof(CPUState, fpr[16]) },
1646
    { "f17", offsetof(CPUState, fpr[17]) },
1647
    { "f18", offsetof(CPUState, fpr[18]) },
1648
    { "f19", offsetof(CPUState, fpr[19]) },
1649
    { "f20", offsetof(CPUState, fpr[20]) },
1650
    { "f21", offsetof(CPUState, fpr[21]) },
1651
    { "f22", offsetof(CPUState, fpr[22]) },
1652
    { "f23", offsetof(CPUState, fpr[23]) },
1653
    { "f24", offsetof(CPUState, fpr[24]) },
1654
    { "f25", offsetof(CPUState, fpr[25]) },
1655
    { "f26", offsetof(CPUState, fpr[26]) },
1656
    { "f27", offsetof(CPUState, fpr[27]) },
1657
    { "f28", offsetof(CPUState, fpr[28]) },
1658
    { "f29", offsetof(CPUState, fpr[29]) },
1659
    { "f30", offsetof(CPUState, fpr[30]) },
1660
    { "f31", offsetof(CPUState, fpr[31]) },
1661
    { "fpscr", offsetof(CPUState, fpscr) },
1662
    /* Next instruction pointer */
1663
    { "nip|pc", offsetof(CPUState, nip) },
1664
    { "lr", offsetof(CPUState, lr) },
1665
    { "ctr", offsetof(CPUState, ctr) },
1666
    { "decr", 0, &monitor_get_decr, },
1667
    { "ccr", 0, &monitor_get_ccr, },
1668
    /* Machine state register */
1669
    { "msr", 0, &monitor_get_msr, },
1670
    { "xer", 0, &monitor_get_xer, },
1671
    { "tbu", 0, &monitor_get_tbu, },
1672
    { "tbl", 0, &monitor_get_tbl, },
1673
#if defined(TARGET_PPC64)
1674
    /* Address space register */
1675
    { "asr", offsetof(CPUState, asr) },
1676
#endif
1677
    /* Segment registers */
1678
    { "sdr1", offsetof(CPUState, sdr1) },
1679
    { "sr0", offsetof(CPUState, sr[0]) },
1680
    { "sr1", offsetof(CPUState, sr[1]) },
1681
    { "sr2", offsetof(CPUState, sr[2]) },
1682
    { "sr3", offsetof(CPUState, sr[3]) },
1683
    { "sr4", offsetof(CPUState, sr[4]) },
1684
    { "sr5", offsetof(CPUState, sr[5]) },
1685
    { "sr6", offsetof(CPUState, sr[6]) },
1686
    { "sr7", offsetof(CPUState, sr[7]) },
1687
    { "sr8", offsetof(CPUState, sr[8]) },
1688
    { "sr9", offsetof(CPUState, sr[9]) },
1689
    { "sr10", offsetof(CPUState, sr[10]) },
1690
    { "sr11", offsetof(CPUState, sr[11]) },
1691
    { "sr12", offsetof(CPUState, sr[12]) },
1692
    { "sr13", offsetof(CPUState, sr[13]) },
1693
    { "sr14", offsetof(CPUState, sr[14]) },
1694
    { "sr15", offsetof(CPUState, sr[15]) },
1695
    /* Too lazy to put BATs and SPRs ... */
1696
#elif defined(TARGET_SPARC)
1697
    { "g0", offsetof(CPUState, gregs[0]) },
1698
    { "g1", offsetof(CPUState, gregs[1]) },
1699
    { "g2", offsetof(CPUState, gregs[2]) },
1700
    { "g3", offsetof(CPUState, gregs[3]) },
1701
    { "g4", offsetof(CPUState, gregs[4]) },
1702
    { "g5", offsetof(CPUState, gregs[5]) },
1703
    { "g6", offsetof(CPUState, gregs[6]) },
1704
    { "g7", offsetof(CPUState, gregs[7]) },
1705
    { "o0", 0, monitor_get_reg },
1706
    { "o1", 1, monitor_get_reg },
1707
    { "o2", 2, monitor_get_reg },
1708
    { "o3", 3, monitor_get_reg },
1709
    { "o4", 4, monitor_get_reg },
1710
    { "o5", 5, monitor_get_reg },
1711
    { "o6", 6, monitor_get_reg },
1712
    { "o7", 7, monitor_get_reg },
1713
    { "l0", 8, monitor_get_reg },
1714
    { "l1", 9, monitor_get_reg },
1715
    { "l2", 10, monitor_get_reg },
1716
    { "l3", 11, monitor_get_reg },
1717
    { "l4", 12, monitor_get_reg },
1718
    { "l5", 13, monitor_get_reg },
1719
    { "l6", 14, monitor_get_reg },
1720
    { "l7", 15, monitor_get_reg },
1721
    { "i0", 16, monitor_get_reg },
1722
    { "i1", 17, monitor_get_reg },
1723
    { "i2", 18, monitor_get_reg },
1724
    { "i3", 19, monitor_get_reg },
1725
    { "i4", 20, monitor_get_reg },
1726
    { "i5", 21, monitor_get_reg },
1727
    { "i6", 22, monitor_get_reg },
1728
    { "i7", 23, monitor_get_reg },
1729
    { "pc", offsetof(CPUState, pc) },
1730
    { "npc", offsetof(CPUState, npc) },
1731
    { "y", offsetof(CPUState, y) },
1732
#ifndef TARGET_SPARC64
1733
    { "psr", 0, &monitor_get_psr, },
1734
    { "wim", offsetof(CPUState, wim) },
1735
#endif
1736
    { "tbr", offsetof(CPUState, tbr) },
1737
    { "fsr", offsetof(CPUState, fsr) },
1738
    { "f0", offsetof(CPUState, fpr[0]) },
1739
    { "f1", offsetof(CPUState, fpr[1]) },
1740
    { "f2", offsetof(CPUState, fpr[2]) },
1741
    { "f3", offsetof(CPUState, fpr[3]) },
1742
    { "f4", offsetof(CPUState, fpr[4]) },
1743
    { "f5", offsetof(CPUState, fpr[5]) },
1744
    { "f6", offsetof(CPUState, fpr[6]) },
1745
    { "f7", offsetof(CPUState, fpr[7]) },
1746
    { "f8", offsetof(CPUState, fpr[8]) },
1747
    { "f9", offsetof(CPUState, fpr[9]) },
1748
    { "f10", offsetof(CPUState, fpr[10]) },
1749
    { "f11", offsetof(CPUState, fpr[11]) },
1750
    { "f12", offsetof(CPUState, fpr[12]) },
1751
    { "f13", offsetof(CPUState, fpr[13]) },
1752
    { "f14", offsetof(CPUState, fpr[14]) },
1753
    { "f15", offsetof(CPUState, fpr[15]) },
1754
    { "f16", offsetof(CPUState, fpr[16]) },
1755
    { "f17", offsetof(CPUState, fpr[17]) },
1756
    { "f18", offsetof(CPUState, fpr[18]) },
1757
    { "f19", offsetof(CPUState, fpr[19]) },
1758
    { "f20", offsetof(CPUState, fpr[20]) },
1759
    { "f21", offsetof(CPUState, fpr[21]) },
1760
    { "f22", offsetof(CPUState, fpr[22]) },
1761
    { "f23", offsetof(CPUState, fpr[23]) },
1762
    { "f24", offsetof(CPUState, fpr[24]) },
1763
    { "f25", offsetof(CPUState, fpr[25]) },
1764
    { "f26", offsetof(CPUState, fpr[26]) },
1765
    { "f27", offsetof(CPUState, fpr[27]) },
1766
    { "f28", offsetof(CPUState, fpr[28]) },
1767
    { "f29", offsetof(CPUState, fpr[29]) },
1768
    { "f30", offsetof(CPUState, fpr[30]) },
1769
    { "f31", offsetof(CPUState, fpr[31]) },
1770
#ifdef TARGET_SPARC64
1771
    { "f32", offsetof(CPUState, fpr[32]) },
1772
    { "f34", offsetof(CPUState, fpr[34]) },
1773
    { "f36", offsetof(CPUState, fpr[36]) },
1774
    { "f38", offsetof(CPUState, fpr[38]) },
1775
    { "f40", offsetof(CPUState, fpr[40]) },
1776
    { "f42", offsetof(CPUState, fpr[42]) },
1777
    { "f44", offsetof(CPUState, fpr[44]) },
1778
    { "f46", offsetof(CPUState, fpr[46]) },
1779
    { "f48", offsetof(CPUState, fpr[48]) },
1780
    { "f50", offsetof(CPUState, fpr[50]) },
1781
    { "f52", offsetof(CPUState, fpr[52]) },
1782
    { "f54", offsetof(CPUState, fpr[54]) },
1783
    { "f56", offsetof(CPUState, fpr[56]) },
1784
    { "f58", offsetof(CPUState, fpr[58]) },
1785
    { "f60", offsetof(CPUState, fpr[60]) },
1786
    { "f62", offsetof(CPUState, fpr[62]) },
1787
    { "asi", offsetof(CPUState, asi) },
1788
    { "pstate", offsetof(CPUState, pstate) },
1789
    { "cansave", offsetof(CPUState, cansave) },
1790
    { "canrestore", offsetof(CPUState, canrestore) },
1791
    { "otherwin", offsetof(CPUState, otherwin) },
1792
    { "wstate", offsetof(CPUState, wstate) },
1793
    { "cleanwin", offsetof(CPUState, cleanwin) },
1794
    { "fprs", offsetof(CPUState, fprs) },
1795
#endif
1796
#endif
1797
    { NULL },
1798
};
1799

    
1800
static void expr_error(const char *fmt)
1801
{
1802
    term_printf(fmt);
1803
    term_printf("\n");
1804
    longjmp(expr_env, 1);
1805
}
1806

    
1807
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
1808
static int get_monitor_def(target_long *pval, const char *name)
1809
{
1810
    MonitorDef *md;
1811
    void *ptr;
1812

    
1813
    for(md = monitor_defs; md->name != NULL; md++) {
1814
        if (compare_cmd(name, md->name)) {
1815
            if (md->get_value) {
1816
                *pval = md->get_value(md, md->offset);
1817
            } else {
1818
                CPUState *env = mon_get_cpu();
1819
                if (!env)
1820
                    return -2;
1821
                ptr = (uint8_t *)env + md->offset;
1822
                switch(md->type) {
1823
                case MD_I32:
1824
                    *pval = *(int32_t *)ptr;
1825
                    break;
1826
                case MD_TLONG:
1827
                    *pval = *(target_long *)ptr;
1828
                    break;
1829
                default:
1830
                    *pval = 0;
1831
                    break;
1832
                }
1833
            }
1834
            return 0;
1835
        }
1836
    }
1837
    return -1;
1838
}
1839

    
1840
static void next(void)
1841
{
1842
    if (pch != '\0') {
1843
        pch++;
1844
        while (isspace(*pch))
1845
            pch++;
1846
    }
1847
}
1848

    
1849
static int64_t expr_sum(void);
1850

    
1851
static int64_t expr_unary(void)
1852
{
1853
    int64_t n;
1854
    char *p;
1855
    int ret;
1856

    
1857
    switch(*pch) {
1858
    case '+':
1859
        next();
1860
        n = expr_unary();
1861
        break;
1862
    case '-':
1863
        next();
1864
        n = -expr_unary();
1865
        break;
1866
    case '~':
1867
        next();
1868
        n = ~expr_unary();
1869
        break;
1870
    case '(':
1871
        next();
1872
        n = expr_sum();
1873
        if (*pch != ')') {
1874
            expr_error("')' expected");
1875
        }
1876
        next();
1877
        break;
1878
    case '\'':
1879
        pch++;
1880
        if (*pch == '\0')
1881
            expr_error("character constant expected");
1882
        n = *pch;
1883
        pch++;
1884
        if (*pch != '\'')
1885
            expr_error("missing terminating \' character");
1886
        next();
1887
        break;
1888
    case '$':
1889
        {
1890
            char buf[128], *q;
1891
            target_long reg=0;
1892

    
1893
            pch++;
1894
            q = buf;
1895
            while ((*pch >= 'a' && *pch <= 'z') ||
1896
                   (*pch >= 'A' && *pch <= 'Z') ||
1897
                   (*pch >= '0' && *pch <= '9') ||
1898
                   *pch == '_' || *pch == '.') {
1899
                if ((q - buf) < sizeof(buf) - 1)
1900
                    *q++ = *pch;
1901
                pch++;
1902
            }
1903
            while (isspace(*pch))
1904
                pch++;
1905
            *q = 0;
1906
            ret = get_monitor_def(&reg, buf);
1907
            if (ret == -1)
1908
                expr_error("unknown register");
1909
            else if (ret == -2)
1910
                expr_error("no cpu defined");
1911
            n = reg;
1912
        }
1913
        break;
1914
    case '\0':
1915
        expr_error("unexpected end of expression");
1916
        n = 0;
1917
        break;
1918
    default:
1919
#if TARGET_PHYS_ADDR_BITS > 32
1920
        n = strtoull(pch, &p, 0);
1921
#else
1922
        n = strtoul(pch, &p, 0);
1923
#endif
1924
        if (pch == p) {
1925
            expr_error("invalid char in expression");
1926
        }
1927
        pch = p;
1928
        while (isspace(*pch))
1929
            pch++;
1930
        break;
1931
    }
1932
    return n;
1933
}
1934

    
1935

    
1936
static int64_t expr_prod(void)
1937
{
1938
    int64_t val, val2;
1939
    int op;
1940

    
1941
    val = expr_unary();
1942
    for(;;) {
1943
        op = *pch;
1944
        if (op != '*' && op != '/' && op != '%')
1945
            break;
1946
        next();
1947
        val2 = expr_unary();
1948
        switch(op) {
1949
        default:
1950
        case '*':
1951
            val *= val2;
1952
            break;
1953
        case '/':
1954
        case '%':
1955
            if (val2 == 0)
1956
                expr_error("division by zero");
1957
            if (op == '/')
1958
                val /= val2;
1959
            else
1960
                val %= val2;
1961
            break;
1962
        }
1963
    }
1964
    return val;
1965
}
1966

    
1967
static int64_t expr_logic(void)
1968
{
1969
    int64_t val, val2;
1970
    int op;
1971

    
1972
    val = expr_prod();
1973
    for(;;) {
1974
        op = *pch;
1975
        if (op != '&' && op != '|' && op != '^')
1976
            break;
1977
        next();
1978
        val2 = expr_prod();
1979
        switch(op) {
1980
        default:
1981
        case '&':
1982
            val &= val2;
1983
            break;
1984
        case '|':
1985
            val |= val2;
1986
            break;
1987
        case '^':
1988
            val ^= val2;
1989
            break;
1990
        }
1991
    }
1992
    return val;
1993
}
1994

    
1995
static int64_t expr_sum(void)
1996
{
1997
    int64_t val, val2;
1998
    int op;
1999

    
2000
    val = expr_logic();
2001
    for(;;) {
2002
        op = *pch;
2003
        if (op != '+' && op != '-')
2004
            break;
2005
        next();
2006
        val2 = expr_logic();
2007
        if (op == '+')
2008
            val += val2;
2009
        else
2010
            val -= val2;
2011
    }
2012
    return val;
2013
}
2014

    
2015
static int get_expr(int64_t *pval, const char **pp)
2016
{
2017
    pch = *pp;
2018
    if (setjmp(expr_env)) {
2019
        *pp = pch;
2020
        return -1;
2021
    }
2022
    while (isspace(*pch))
2023
        pch++;
2024
    *pval = expr_sum();
2025
    *pp = pch;
2026
    return 0;
2027
}
2028

    
2029
static int get_str(char *buf, int buf_size, const char **pp)
2030
{
2031
    const char *p;
2032
    char *q;
2033
    int c;
2034

    
2035
    q = buf;
2036
    p = *pp;
2037
    while (isspace(*p))
2038
        p++;
2039
    if (*p == '\0') {
2040
    fail:
2041
        *q = '\0';
2042
        *pp = p;
2043
        return -1;
2044
    }
2045
    if (*p == '\"') {
2046
        p++;
2047
        while (*p != '\0' && *p != '\"') {
2048
            if (*p == '\\') {
2049
                p++;
2050
                c = *p++;
2051
                switch(c) {
2052
                case 'n':
2053
                    c = '\n';
2054
                    break;
2055
                case 'r':
2056
                    c = '\r';
2057
                    break;
2058
                case '\\':
2059
                case '\'':
2060
                case '\"':
2061
                    break;
2062
                default:
2063
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
2064
                    goto fail;
2065
                }
2066
                if ((q - buf) < buf_size - 1) {
2067
                    *q++ = c;
2068
                }
2069
            } else {
2070
                if ((q - buf) < buf_size - 1) {
2071
                    *q++ = *p;
2072
                }
2073
                p++;
2074
            }
2075
        }
2076
        if (*p != '\"') {
2077
            qemu_printf("unterminated string\n");
2078
            goto fail;
2079
        }
2080
        p++;
2081
    } else {
2082
        while (*p != '\0' && !isspace(*p)) {
2083
            if ((q - buf) < buf_size - 1) {
2084
                *q++ = *p;
2085
            }
2086
            p++;
2087
        }
2088
    }
2089
    *q = '\0';
2090
    *pp = p;
2091
    return 0;
2092
}
2093

    
2094
static int default_fmt_format = 'x';
2095
static int default_fmt_size = 4;
2096

    
2097
#define MAX_ARGS 16
2098

    
2099
static void monitor_handle_command(const char *cmdline)
2100
{
2101
    const char *p, *pstart, *typestr;
2102
    char *q;
2103
    int c, nb_args, len, i, has_arg;
2104
    term_cmd_t *cmd;
2105
    char cmdname[256];
2106
    char buf[1024];
2107
    void *str_allocated[MAX_ARGS];
2108
    void *args[MAX_ARGS];
2109

    
2110
#ifdef DEBUG
2111
    term_printf("command='%s'\n", cmdline);
2112
#endif
2113

    
2114
    /* extract the command name */
2115
    p = cmdline;
2116
    q = cmdname;
2117
    while (isspace(*p))
2118
        p++;
2119
    if (*p == '\0')
2120
        return;
2121
    pstart = p;
2122
    while (*p != '\0' && *p != '/' && !isspace(*p))
2123
        p++;
2124
    len = p - pstart;
2125
    if (len > sizeof(cmdname) - 1)
2126
        len = sizeof(cmdname) - 1;
2127
    memcpy(cmdname, pstart, len);
2128
    cmdname[len] = '\0';
2129

    
2130
    /* find the command */
2131
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2132
        if (compare_cmd(cmdname, cmd->name))
2133
            goto found;
2134
    }
2135
    term_printf("unknown command: '%s'\n", cmdname);
2136
    return;
2137
 found:
2138

    
2139
    for(i = 0; i < MAX_ARGS; i++)
2140
        str_allocated[i] = NULL;
2141

    
2142
    /* parse the parameters */
2143
    typestr = cmd->args_type;
2144
    nb_args = 0;
2145
    for(;;) {
2146
        c = *typestr;
2147
        if (c == '\0')
2148
            break;
2149
        typestr++;
2150
        switch(c) {
2151
        case 'F':
2152
        case 'B':
2153
        case 's':
2154
            {
2155
                int ret;
2156
                char *str;
2157

    
2158
                while (isspace(*p))
2159
                    p++;
2160
                if (*typestr == '?') {
2161
                    typestr++;
2162
                    if (*p == '\0') {
2163
                        /* no optional string: NULL argument */
2164
                        str = NULL;
2165
                        goto add_str;
2166
                    }
2167
                }
2168
                ret = get_str(buf, sizeof(buf), &p);
2169
                if (ret < 0) {
2170
                    switch(c) {
2171
                    case 'F':
2172
                        term_printf("%s: filename expected\n", cmdname);
2173
                        break;
2174
                    case 'B':
2175
                        term_printf("%s: block device name expected\n", cmdname);
2176
                        break;
2177
                    default:
2178
                        term_printf("%s: string expected\n", cmdname);
2179
                        break;
2180
                    }
2181
                    goto fail;
2182
                }
2183
                str = qemu_malloc(strlen(buf) + 1);
2184
                strcpy(str, buf);
2185
                str_allocated[nb_args] = str;
2186
            add_str:
2187
                if (nb_args >= MAX_ARGS) {
2188
                error_args:
2189
                    term_printf("%s: too many arguments\n", cmdname);
2190
                    goto fail;
2191
                }
2192
                args[nb_args++] = str;
2193
            }
2194
            break;
2195
        case '/':
2196
            {
2197
                int count, format, size;
2198

    
2199
                while (isspace(*p))
2200
                    p++;
2201
                if (*p == '/') {
2202
                    /* format found */
2203
                    p++;
2204
                    count = 1;
2205
                    if (isdigit(*p)) {
2206
                        count = 0;
2207
                        while (isdigit(*p)) {
2208
                            count = count * 10 + (*p - '0');
2209
                            p++;
2210
                        }
2211
                    }
2212
                    size = -1;
2213
                    format = -1;
2214
                    for(;;) {
2215
                        switch(*p) {
2216
                        case 'o':
2217
                        case 'd':
2218
                        case 'u':
2219
                        case 'x':
2220
                        case 'i':
2221
                        case 'c':
2222
                            format = *p++;
2223
                            break;
2224
                        case 'b':
2225
                            size = 1;
2226
                            p++;
2227
                            break;
2228
                        case 'h':
2229
                            size = 2;
2230
                            p++;
2231
                            break;
2232
                        case 'w':
2233
                            size = 4;
2234
                            p++;
2235
                            break;
2236
                        case 'g':
2237
                        case 'L':
2238
                            size = 8;
2239
                            p++;
2240
                            break;
2241
                        default:
2242
                            goto next;
2243
                        }
2244
                    }
2245
                next:
2246
                    if (*p != '\0' && !isspace(*p)) {
2247
                        term_printf("invalid char in format: '%c'\n", *p);
2248
                        goto fail;
2249
                    }
2250
                    if (format < 0)
2251
                        format = default_fmt_format;
2252
                    if (format != 'i') {
2253
                        /* for 'i', not specifying a size gives -1 as size */
2254
                        if (size < 0)
2255
                            size = default_fmt_size;
2256
                    }
2257
                    default_fmt_size = size;
2258
                    default_fmt_format = format;
2259
                } else {
2260
                    count = 1;
2261
                    format = default_fmt_format;
2262
                    if (format != 'i') {
2263
                        size = default_fmt_size;
2264
                    } else {
2265
                        size = -1;
2266
                    }
2267
                }
2268
                if (nb_args + 3 > MAX_ARGS)
2269
                    goto error_args;
2270
                args[nb_args++] = (void*)(long)count;
2271
                args[nb_args++] = (void*)(long)format;
2272
                args[nb_args++] = (void*)(long)size;
2273
            }
2274
            break;
2275
        case 'i':
2276
        case 'l':
2277
            {
2278
                int64_t val;
2279

    
2280
                while (isspace(*p))
2281
                    p++;
2282
                if (*typestr == '?' || *typestr == '.') {
2283
                    if (*typestr == '?') {
2284
                        if (*p == '\0')
2285
                            has_arg = 0;
2286
                        else
2287
                            has_arg = 1;
2288
                    } else {
2289
                        if (*p == '.') {
2290
                            p++;
2291
                            while (isspace(*p))
2292
                                p++;
2293
                            has_arg = 1;
2294
                        } else {
2295
                            has_arg = 0;
2296
                        }
2297
                    }
2298
                    typestr++;
2299
                    if (nb_args >= MAX_ARGS)
2300
                        goto error_args;
2301
                    args[nb_args++] = (void *)(long)has_arg;
2302
                    if (!has_arg) {
2303
                        if (nb_args >= MAX_ARGS)
2304
                            goto error_args;
2305
                        val = -1;
2306
                        goto add_num;
2307
                    }
2308
                }
2309
                if (get_expr(&val, &p))
2310
                    goto fail;
2311
            add_num:
2312
                if (c == 'i') {
2313
                    if (nb_args >= MAX_ARGS)
2314
                        goto error_args;
2315
                    args[nb_args++] = (void *)(long)val;
2316
                } else {
2317
                    if ((nb_args + 1) >= MAX_ARGS)
2318
                        goto error_args;
2319
#if TARGET_PHYS_ADDR_BITS > 32
2320
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2321
#else
2322
                    args[nb_args++] = (void *)0;
2323
#endif
2324
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
2325
                }
2326
            }
2327
            break;
2328
        case '-':
2329
            {
2330
                int has_option;
2331
                /* option */
2332

    
2333
                c = *typestr++;
2334
                if (c == '\0')
2335
                    goto bad_type;
2336
                while (isspace(*p))
2337
                    p++;
2338
                has_option = 0;
2339
                if (*p == '-') {
2340
                    p++;
2341
                    if (*p != c) {
2342
                        term_printf("%s: unsupported option -%c\n",
2343
                                    cmdname, *p);
2344
                        goto fail;
2345
                    }
2346
                    p++;
2347
                    has_option = 1;
2348
                }
2349
                if (nb_args >= MAX_ARGS)
2350
                    goto error_args;
2351
                args[nb_args++] = (void *)(long)has_option;
2352
            }
2353
            break;
2354
        default:
2355
        bad_type:
2356
            term_printf("%s: unknown type '%c'\n", cmdname, c);
2357
            goto fail;
2358
        }
2359
    }
2360
    /* check that all arguments were parsed */
2361
    while (isspace(*p))
2362
        p++;
2363
    if (*p != '\0') {
2364
        term_printf("%s: extraneous characters at the end of line\n",
2365
                    cmdname);
2366
        goto fail;
2367
    }
2368

    
2369
    switch(nb_args) {
2370
    case 0:
2371
        cmd->handler();
2372
        break;
2373
    case 1:
2374
        cmd->handler(args[0]);
2375
        break;
2376
    case 2:
2377
        cmd->handler(args[0], args[1]);
2378
        break;
2379
    case 3:
2380
        cmd->handler(args[0], args[1], args[2]);
2381
        break;
2382
    case 4:
2383
        cmd->handler(args[0], args[1], args[2], args[3]);
2384
        break;
2385
    case 5:
2386
        cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2387
        break;
2388
    case 6:
2389
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2390
        break;
2391
    case 7:
2392
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2393
        break;
2394
    default:
2395
        term_printf("unsupported number of arguments: %d\n", nb_args);
2396
        goto fail;
2397
    }
2398
 fail:
2399
    for(i = 0; i < MAX_ARGS; i++)
2400
        qemu_free(str_allocated[i]);
2401
    return;
2402
}
2403

    
2404
static void cmd_completion(const char *name, const char *list)
2405
{
2406
    const char *p, *pstart;
2407
    char cmd[128];
2408
    int len;
2409

    
2410
    p = list;
2411
    for(;;) {
2412
        pstart = p;
2413
        p = strchr(p, '|');
2414
        if (!p)
2415
            p = pstart + strlen(pstart);
2416
        len = p - pstart;
2417
        if (len > sizeof(cmd) - 2)
2418
            len = sizeof(cmd) - 2;
2419
        memcpy(cmd, pstart, len);
2420
        cmd[len] = '\0';
2421
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2422
            add_completion(cmd);
2423
        }
2424
        if (*p == '\0')
2425
            break;
2426
        p++;
2427
    }
2428
}
2429

    
2430
static void file_completion(const char *input)
2431
{
2432
    DIR *ffs;
2433
    struct dirent *d;
2434
    char path[1024];
2435
    char file[1024], file_prefix[1024];
2436
    int input_path_len;
2437
    const char *p;
2438

    
2439
    p = strrchr(input, '/');
2440
    if (!p) {
2441
        input_path_len = 0;
2442
        pstrcpy(file_prefix, sizeof(file_prefix), input);
2443
        strcpy(path, ".");
2444
    } else {
2445
        input_path_len = p - input + 1;
2446
        memcpy(path, input, input_path_len);
2447
        if (input_path_len > sizeof(path) - 1)
2448
            input_path_len = sizeof(path) - 1;
2449
        path[input_path_len] = '\0';
2450
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2451
    }
2452
#ifdef DEBUG_COMPLETION
2453
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2454
#endif
2455
    ffs = opendir(path);
2456
    if (!ffs)
2457
        return;
2458
    for(;;) {
2459
        struct stat sb;
2460
        d = readdir(ffs);
2461
        if (!d)
2462
            break;
2463
        if (strstart(d->d_name, file_prefix, NULL)) {
2464
            memcpy(file, input, input_path_len);
2465
            strcpy(file + input_path_len, d->d_name);
2466
            /* stat the file to find out if it's a directory.
2467
             * In that case add a slash to speed up typing long paths
2468
             */
2469
            stat(file, &sb);
2470
            if(S_ISDIR(sb.st_mode))
2471
                strcat(file, "/");
2472
            add_completion(file);
2473
        }
2474
    }
2475
    closedir(ffs);
2476
}
2477

    
2478
static void block_completion_it(void *opaque, const char *name)
2479
{
2480
    const char *input = opaque;
2481

    
2482
    if (input[0] == '\0' ||
2483
        !strncmp(name, (char *)input, strlen(input))) {
2484
        add_completion(name);
2485
    }
2486
}
2487

    
2488
/* NOTE: this parser is an approximate form of the real command parser */
2489
static void parse_cmdline(const char *cmdline,
2490
                         int *pnb_args, char **args)
2491
{
2492
    const char *p;
2493
    int nb_args, ret;
2494
    char buf[1024];
2495

    
2496
    p = cmdline;
2497
    nb_args = 0;
2498
    for(;;) {
2499
        while (isspace(*p))
2500
            p++;
2501
        if (*p == '\0')
2502
            break;
2503
        if (nb_args >= MAX_ARGS)
2504
            break;
2505
        ret = get_str(buf, sizeof(buf), &p);
2506
        args[nb_args] = qemu_strdup(buf);
2507
        nb_args++;
2508
        if (ret < 0)
2509
            break;
2510
    }
2511
    *pnb_args = nb_args;
2512
}
2513

    
2514
void readline_find_completion(const char *cmdline)
2515
{
2516
    const char *cmdname;
2517
    char *args[MAX_ARGS];
2518
    int nb_args, i, len;
2519
    const char *ptype, *str;
2520
    term_cmd_t *cmd;
2521
    const KeyDef *key;
2522

    
2523
    parse_cmdline(cmdline, &nb_args, args);
2524
#ifdef DEBUG_COMPLETION
2525
    for(i = 0; i < nb_args; i++) {
2526
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2527
    }
2528
#endif
2529

    
2530
    /* if the line ends with a space, it means we want to complete the
2531
       next arg */
2532
    len = strlen(cmdline);
2533
    if (len > 0 && isspace(cmdline[len - 1])) {
2534
        if (nb_args >= MAX_ARGS)
2535
            return;
2536
        args[nb_args++] = qemu_strdup("");
2537
    }
2538
    if (nb_args <= 1) {
2539
        /* command completion */
2540
        if (nb_args == 0)
2541
            cmdname = "";
2542
        else
2543
            cmdname = args[0];
2544
        completion_index = strlen(cmdname);
2545
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2546
            cmd_completion(cmdname, cmd->name);
2547
        }
2548
    } else {
2549
        /* find the command */
2550
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2551
            if (compare_cmd(args[0], cmd->name))
2552
                goto found;
2553
        }
2554
        return;
2555
    found:
2556
        ptype = cmd->args_type;
2557
        for(i = 0; i < nb_args - 2; i++) {
2558
            if (*ptype != '\0') {
2559
                ptype++;
2560
                while (*ptype == '?')
2561
                    ptype++;
2562
            }
2563
        }
2564
        str = args[nb_args - 1];
2565
        switch(*ptype) {
2566
        case 'F':
2567
            /* file completion */
2568
            completion_index = strlen(str);
2569
            file_completion(str);
2570
            break;
2571
        case 'B':
2572
            /* block device name completion */
2573
            completion_index = strlen(str);
2574
            bdrv_iterate(block_completion_it, (void *)str);
2575
            break;
2576
        case 's':
2577
            /* XXX: more generic ? */
2578
            if (!strcmp(cmd->name, "info")) {
2579
                completion_index = strlen(str);
2580
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2581
                    cmd_completion(str, cmd->name);
2582
                }
2583
            } else if (!strcmp(cmd->name, "sendkey")) {
2584
                completion_index = strlen(str);
2585
                for(key = key_defs; key->name != NULL; key++) {
2586
                    cmd_completion(str, key->name);
2587
                }
2588
            }
2589
            break;
2590
        default:
2591
            break;
2592
        }
2593
    }
2594
    for(i = 0; i < nb_args; i++)
2595
        qemu_free(args[i]);
2596
}
2597

    
2598
static int term_can_read(void *opaque)
2599
{
2600
    return 128;
2601
}
2602

    
2603
static void term_read(void *opaque, const uint8_t *buf, int size)
2604
{
2605
    int i;
2606
    for(i = 0; i < size; i++)
2607
        readline_handle_byte(buf[i]);
2608
}
2609

    
2610
static void monitor_start_input(void);
2611

    
2612
static void monitor_handle_command1(void *opaque, const char *cmdline)
2613
{
2614
    monitor_handle_command(cmdline);
2615
    monitor_start_input();
2616
}
2617

    
2618
static void monitor_start_input(void)
2619
{
2620
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2621
}
2622

    
2623
static void term_event(void *opaque, int event)
2624
{
2625
    if (event != CHR_EVENT_RESET)
2626
        return;
2627

    
2628
    if (!hide_banner)
2629
            term_printf("QEMU %s monitor - type 'help' for more information\n",
2630
                        QEMU_VERSION);
2631
    monitor_start_input();
2632
}
2633

    
2634
static int is_first_init = 1;
2635

    
2636
void monitor_init(CharDriverState *hd, int show_banner)
2637
{
2638
    int i;
2639

    
2640
    if (is_first_init) {
2641
        for (i = 0; i < MAX_MON; i++) {
2642
            monitor_hd[i] = NULL;
2643
        }
2644
        is_first_init = 0;
2645
    }
2646
    for (i = 0; i < MAX_MON; i++) {
2647
        if (monitor_hd[i] == NULL) {
2648
            monitor_hd[i] = hd;
2649
            break;
2650
        }
2651
    }
2652

    
2653
    hide_banner = !show_banner;
2654

    
2655
    qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2656

    
2657
    readline_start("", 0, monitor_handle_command1, NULL);
2658
}
2659

    
2660
/* XXX: use threads ? */
2661
/* modal monitor readline */
2662
static int monitor_readline_started;
2663
static char *monitor_readline_buf;
2664
static int monitor_readline_buf_size;
2665

    
2666
static void monitor_readline_cb(void *opaque, const char *input)
2667
{
2668
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2669
    monitor_readline_started = 0;
2670
}
2671

    
2672
void monitor_readline(const char *prompt, int is_password,
2673
                      char *buf, int buf_size)
2674
{
2675
    int i;
2676

    
2677
    if (is_password) {
2678
        for (i = 0; i < MAX_MON; i++)
2679
            if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2680
                qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2681
    }
2682
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
2683
    monitor_readline_buf = buf;
2684
    monitor_readline_buf_size = buf_size;
2685
    monitor_readline_started = 1;
2686
    while (monitor_readline_started) {
2687
        main_loop_wait(10);
2688
    }
2689
}