monitor.c

   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_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 && !(env->segs[R_CS].flags & DESC_B_MASK))
 463                 flags = 1;
 464         }
 465 #endif
 466         monitor_disas(env, addr, count, is_physical, flags);
 467         return;
 468     }
 469
 470     len = wsize * count;
 471     if (wsize == 1)
 472         line_size = 8;
 473     else
 474         line_size = 16;
 475     nb_per_line = line_size / wsize;
 476     max_digits = 0;
 477
 478     switch(format) {
 479     case 'o':
 480         max_digits = (wsize * 8 + 2) / 3;
 481         break;
 482     default:
 483     case 'x':
 484         max_digits = (wsize * 8) / 4;
 485         break;
 486     case 'u':
 487     case 'd':
 488         max_digits = (wsize * 8 * 10 + 32) / 33;
 489         break;
 490     case 'c':
 491         wsize = 1;
 492         break;
 493     }
 494
 495     while (len > 0) {
 496         term_printf(TARGET_FMT_lx ":", addr);
 497         l = len;
 498         if (l > line_size)
 499             l = line_size;
 500         if (is_physical) {
 501             cpu_physical_memory_rw(addr, buf, l, 0);
 502         } else {
 503             env = mon_get_cpu();
 504             if (!env)
 505                 break;
 506             cpu_memory_rw_debug(env, addr, buf, l, 0);
 507         }
 508         i = 0;
 509         while (i < l) {
 510             switch(wsize) {
 511             default:
 512             case 1:
 513                 v = ldub_raw(buf + i);
 514                 break;
 515             case 2:
 516                 v = lduw_raw(buf + i);
 517                 break;
 518             case 4:
 519                 v = (uint32_t)ldl_raw(buf + i);
 520                 break;
 521             case 8:
 522                 v = ldq_raw(buf + i);
 523                 break;
 524             }
 525             term_printf(" ");
 526             switch(format) {
 527             case 'o':
 528                 term_printf("%#*llo", max_digits, v);
 529                 break;
 530             case 'x':
 531                 term_printf("0x%0*llx", max_digits, v);
 532                 break;
 533             case 'u':
 534                 term_printf("%*llu", max_digits, v);
 535                 break;
 536             case 'd':
 537                 term_printf("%*lld", max_digits, v);
 538                 break;
 539             case 'c':
 540                 term_printc(v);
 541                 break;
 542             }
 543             i += wsize;
 544         }
 545         term_printf("\n");
 546         addr += l;
 547         len -= l;
 548     }
 549 }
 550
 551 #if TARGET_LONG_BITS == 64
 552 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 553 #else
 554 #define GET_TLONG(h, l) (l)
 555 #endif
 556
 557 static void do_memory_dump(int count, int format, int size,
 558                            uint32_t addrh, uint32_t addrl)
 559 {
 560     target_long addr = GET_TLONG(addrh, addrl);
 561     memory_dump(count, format, size, addr, 0);
 562 }
 563
 564 static void do_physical_memory_dump(int count, int format, int size,
 565                                     uint32_t addrh, uint32_t addrl)
 566
 567 {
 568     target_long addr = GET_TLONG(addrh, addrl);
 569     memory_dump(count, format, size, addr, 1);
 570 }
 571
 572 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 573 {
 574     target_long val = GET_TLONG(valh, vall);
 575 #if TARGET_LONG_BITS == 32
 576     switch(format) {
 577     case 'o':
 578         term_printf("%#o", val);
 579         break;
 580     case 'x':
 581         term_printf("%#x", val);
 582         break;
 583     case 'u':
 584         term_printf("%u", val);
 585         break;
 586     default:
 587     case 'd':
 588         term_printf("%d", val);
 589         break;
 590     case 'c':
 591         term_printc(val);
 592         break;
 593     }
 594 #else
 595     switch(format) {
 596     case 'o':
 597         term_printf("%#llo", val);
 598         break;
 599     case 'x':
 600         term_printf("%#llx", val);
 601         break;
 602     case 'u':
 603         term_printf("%llu", val);
 604         break;
 605     default:
 606     case 'd':
 607         term_printf("%lld", val);
 608         break;
 609     case 'c':
 610         term_printc(val);
 611         break;
 612     }
 613 #endif
 614     term_printf("\n");
 615 }
 616
 617 static void do_sum(uint32_t start, uint32_t size)
 618 {
 619     uint32_t addr;
 620     uint8_t buf[1];
 621     uint16_t sum;
 622
 623     sum = 0;
 624     for(addr = start; addr < (start + size); addr++) {
 625         cpu_physical_memory_rw(addr, buf, 1, 0);
 626         /* BSD sum algorithm ('sum' Unix command) */
 627         sum = (sum >> 1) | (sum << 15);
 628         sum += buf[0];
 629     }
 630     term_printf("%05d\n", sum);
 631 }
 632
 633 typedef struct {
 634     int keycode;
 635     const char *name;
 636 } KeyDef;
 637
 638 static const KeyDef key_defs[] = {
 639     { 0x2a, "shift" },
 640     { 0x36, "shift_r" },
 641
 642     { 0x38, "alt" },
 643     { 0xb8, "alt_r" },
 644     { 0x1d, "ctrl" },
 645     { 0x9d, "ctrl_r" },
 646
 647     { 0xdd, "menu" },
 648
 649     { 0x01, "esc" },
 650
 651     { 0x02, "1" },
 652     { 0x03, "2" },
 653     { 0x04, "3" },
 654     { 0x05, "4" },
 655     { 0x06, "5" },
 656     { 0x07, "6" },
 657     { 0x08, "7" },
 658     { 0x09, "8" },
 659     { 0x0a, "9" },
 660     { 0x0b, "0" },
 661     { 0x0e, "backspace" },
 662
 663     { 0x0f, "tab" },
 664     { 0x10, "q" },
 665     { 0x11, "w" },
 666     { 0x12, "e" },
 667     { 0x13, "r" },
 668     { 0x14, "t" },
 669     { 0x15, "y" },
 670     { 0x16, "u" },
 671     { 0x17, "i" },
 672     { 0x18, "o" },
 673     { 0x19, "p" },
 674
 675     { 0x1c, "ret" },
 676
 677     { 0x1e, "a" },
 678     { 0x1f, "s" },
 679     { 0x20, "d" },
 680     { 0x21, "f" },
 681     { 0x22, "g" },
 682     { 0x23, "h" },
 683     { 0x24, "j" },
 684     { 0x25, "k" },
 685     { 0x26, "l" },
 686
 687     { 0x2c, "z" },
 688     { 0x2d, "x" },
 689     { 0x2e, "c" },
 690     { 0x2f, "v" },
 691     { 0x30, "b" },
 692     { 0x31, "n" },
 693     { 0x32, "m" },
 694
 695     { 0x39, "spc" },
 696     { 0x3a, "caps_lock" },
 697     { 0x3b, "f1" },
 698     { 0x3c, "f2" },
 699     { 0x3d, "f3" },
 700     { 0x3e, "f4" },
 701     { 0x3f, "f5" },
 702     { 0x40, "f6" },
 703     { 0x41, "f7" },
 704     { 0x42, "f8" },
 705     { 0x43, "f9" },
 706     { 0x44, "f10" },
 707     { 0x45, "num_lock" },
 708     { 0x46, "scroll_lock" },
 709
 710     { 0x56, "<" },
 711
 712     { 0x57, "f11" },
 713     { 0x58, "f12" },
 714
 715     { 0xb7, "print" },
 716
 717     { 0xc7, "home" },
 718     { 0xc9, "pgup" },
 719     { 0xd1, "pgdn" },
 720     { 0xcf, "end" },
 721
 722     { 0xcb, "left" },
 723     { 0xc8, "up" },
 724     { 0xd0, "down" },
 725     { 0xcd, "right" },
 726
 727     { 0xd2, "insert" },
 728     { 0xd3, "delete" },
 729     { 0, NULL },
 730 };
 731
 732 static int get_keycode(const char *key)
 733 {
 734     const KeyDef *p;
 735
 736     for(p = key_defs; p->name != NULL; p++) {
 737         if (!strcmp(key, p->name))
 738             return p->keycode;
 739     }
 740     return -1;
 741 }
 742
 743 static void do_send_key(const char *string)
 744 {
 745     char keybuf[16], *q;
 746     uint8_t keycodes[16];
 747     const char *p;
 748     int nb_keycodes, keycode, i;
 749
 750     nb_keycodes = 0;
 751     p = string;
 752     while (*p != '\0') {
 753         q = keybuf;
 754         while (*p != '\0' && *p != '-') {
 755             if ((q - keybuf) < sizeof(keybuf) - 1) {
 756                 *q++ = *p;
 757             }
 758             p++;
 759         }
 760         *q = '\0';
 761         keycode = get_keycode(keybuf);
 762         if (keycode < 0) {
 763             term_printf("unknown key: '%s'\n", keybuf);
 764             return;
 765         }
 766         keycodes[nb_keycodes++] = keycode;
 767         if (*p == '\0')
 768             break;
 769         p++;
 770     }
 771     /* key down events */
 772     for(i = 0; i < nb_keycodes; i++) {
 773         keycode = keycodes[i];
 774         if (keycode & 0x80)
 775             kbd_put_keycode(0xe0);
 776         kbd_put_keycode(keycode & 0x7f);
 777     }
 778     /* key up events */
 779     for(i = nb_keycodes - 1; i >= 0; i--) {
 780         keycode = keycodes[i];
 781         if (keycode & 0x80)
 782             kbd_put_keycode(0xe0);
 783         kbd_put_keycode(keycode | 0x80);
 784     }
 785 }
 786
 787 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 788 {
 789     uint32_t val;
 790     int suffix;
 791
 792     if (has_index) {
 793         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 794         addr++;
 795     }
 796     addr &= 0xffff;
 797
 798     switch(size) {
 799     default:
 800     case 1:
 801         val = cpu_inb(NULL, addr);
 802         suffix = 'b';
 803         break;
 804     case 2:
 805         val = cpu_inw(NULL, addr);
 806         suffix = 'w';
 807         break;
 808     case 4:
 809         val = cpu_inl(NULL, addr);
 810         suffix = 'l';
 811         break;
 812     }
 813     term_printf("port%c[0x%04x] = %#0*x\n",
 814                 suffix, addr, size * 2, val);
 815 }
 816
 817 static void do_system_reset(void)
 818 {
 819     qemu_system_reset_request();
 820 }
 821
 822 static void do_system_powerdown(void)
 823 {
 824     qemu_system_powerdown_request();
 825 }
 826
 827 #if defined(TARGET_I386)
 828 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 829 {
 830     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 831                 addr,
 832                 pte & mask,
 833                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 834                 pte & PG_PSE_MASK ? 'P' : '-',
 835                 pte & PG_DIRTY_MASK ? 'D' : '-',
 836                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 837                 pte & PG_PCD_MASK ? 'C' : '-',
 838                 pte & PG_PWT_MASK ? 'T' : '-',
 839                 pte & PG_USER_MASK ? 'U' : '-',
 840                 pte & PG_RW_MASK ? 'W' : '-');
 841 }
 842
 843 static void tlb_info(void)
 844 {
 845     CPUState *env;
 846     int l1, l2;
 847     uint32_t pgd, pde, pte;
 848
 849     env = mon_get_cpu();
 850     if (!env)
 851         return;
 852
 853     if (!(env->cr[0] & CR0_PG_MASK)) {
 854         term_printf("PG disabled\n");
 855         return;
 856     }
 857     pgd = env->cr[3] & ~0xfff;
 858     for(l1 = 0; l1 < 1024; l1++) {
 859         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 860         pde = le32_to_cpu(pde);
 861         if (pde & PG_PRESENT_MASK) {
 862             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 863                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 864             } else {
 865                 for(l2 = 0; l2 < 1024; l2++) {
 866                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 867                                              (uint8_t *)&pte, 4);
 868                     pte = le32_to_cpu(pte);
 869                     if (pte & PG_PRESENT_MASK) {
 870                         print_pte((l1 << 22) + (l2 << 12),
 871                                   pte & ~PG_PSE_MASK,
 872                                   ~0xfff);
 873                     }
 874                 }
 875             }
 876         }
 877     }
 878 }
 879
 880 static void mem_print(uint32_t *pstart, int *plast_prot,
 881                       uint32_t end, int prot)
 882 {
 883     int prot1;
 884     prot1 = *plast_prot;
 885     if (prot != prot1) {
 886         if (*pstart != -1) {
 887             term_printf("%08x-%08x %08x %c%c%c\n",
 888                         *pstart, end, end - *pstart,
 889                         prot1 & PG_USER_MASK ? 'u' : '-',
 890                         'r',
 891                         prot1 & PG_RW_MASK ? 'w' : '-');
 892         }
 893         if (prot != 0)
 894             *pstart = end;
 895         else
 896             *pstart = -1;
 897         *plast_prot = prot;
 898     }
 899 }
 900
 901 static void mem_info(void)
 902 {
 903     CPUState *env;
 904     int l1, l2, prot, last_prot;
 905     uint32_t pgd, pde, pte, start, end;
 906
 907     env = mon_get_cpu();
 908     if (!env)
 909         return;
 910
 911     if (!(env->cr[0] & CR0_PG_MASK)) {
 912         term_printf("PG disabled\n");
 913         return;
 914     }
 915     pgd = env->cr[3] & ~0xfff;
 916     last_prot = 0;
 917     start = -1;
 918     for(l1 = 0; l1 < 1024; l1++) {
 919         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 920         pde = le32_to_cpu(pde);
 921         end = l1 << 22;
 922         if (pde & PG_PRESENT_MASK) {
 923             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 924                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 925                 mem_print(&start, &last_prot, end, prot);
 926             } else {
 927                 for(l2 = 0; l2 < 1024; l2++) {
 928                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 929                                              (uint8_t *)&pte, 4);
 930                     pte = le32_to_cpu(pte);
 931                     end = (l1 << 22) + (l2 << 12);
 932                     if (pte & PG_PRESENT_MASK) {
 933                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 934                     } else {
 935                         prot = 0;
 936                     }
 937                     mem_print(&start, &last_prot, end, prot);
 938                 }
 939             }
 940         } else {
 941             prot = 0;
 942             mem_print(&start, &last_prot, end, prot);
 943         }
 944     }
 945 }
 946 #endif
 947
 948 static void do_info_kqemu(void)
 949 {
 950 #ifdef USE_KQEMU
 951     CPUState *env;
 952     int val;
 953     val = 0;
 954     env = mon_get_cpu();
 955     if (!env) {
 956         term_printf("No cpu initialized yet");
 957         return;
 958     }
 959     val = env->kqemu_enabled;
 960     term_printf("kqemu support: ");
 961     switch(val) {
 962     default:
 963     case 0:
 964         term_printf("disabled\n");
 965         break;
 966     case 1:
 967         term_printf("enabled for user code\n");
 968         break;
 969     case 2:
 970         term_printf("enabled for user and kernel code\n");
 971         break;
 972     }
 973 #else
 974     term_printf("kqemu support: not compiled\n");
 975 #endif
 976 }
 977
 978 #ifdef CONFIG_PROFILER
 979
 980 int64_t kqemu_time;
 981 int64_t qemu_time;
 982 int64_t kqemu_exec_count;
 983 int64_t dev_time;
 984 int64_t kqemu_ret_int_count;
 985 int64_t kqemu_ret_excp_count;
 986 int64_t kqemu_ret_intr_count;
 987
 988 static void do_info_profile(void)
 989 {
 990     int64_t total;
 991     total = qemu_time;
 992     if (total == 0)
 993         total = 1;
 994     term_printf("async time  %lld (%0.3f)\n",
 995                 dev_time, dev_time / (double)ticks_per_sec);
 996     term_printf("qemu time   %lld (%0.3f)\n",
 997                 qemu_time, qemu_time / (double)ticks_per_sec);
 998     term_printf("kqemu time  %lld (%0.3f %0.1f%%) count=%lld int=%lld excp=%lld intr=%lld\n",
 999                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1000                 kqemu_time / (double)total * 100.0,
1001                 kqemu_exec_count,
1002                 kqemu_ret_int_count,
1003                 kqemu_ret_excp_count,
1004                 kqemu_ret_intr_count);
1005     qemu_time = 0;
1006     kqemu_time = 0;
1007     kqemu_exec_count = 0;
1008     dev_time = 0;
1009     kqemu_ret_int_count = 0;
1010     kqemu_ret_excp_count = 0;
1011     kqemu_ret_intr_count = 0;
1012 #ifdef USE_KQEMU
1013     kqemu_record_dump();
1014 #endif
1015 }
1016 #else
1017 static void do_info_profile(void)
1018 {
1019     term_printf("Internal profiler not compiled\n");
1020 }
1021 #endif
1022
1023 static term_cmd_t term_cmds[] = {
1024     { "help|?", "s?", do_help,
1025       "[cmd]", "show the help" },
1026     { "commit", "", do_commit,
1027       "", "commit changes to the disk images (if -snapshot is used)" },
1028     { "info", "s?", do_info,
1029       "subcommand", "show various information about the system state" },
1030     { "q|quit", "", do_quit,
1031       "", "quit the emulator" },
1032     { "eject", "-fB", do_eject,
1033       "[-f] device", "eject a removable media (use -f to force it)" },
1034     { "change", "BF", do_change,
1035       "device filename", "change a removable media" },
1036     { "screendump", "F", do_screen_dump,
1037       "filename", "save screen into PPM image 'filename'" },
1038     { "log", "s", do_log,
1039       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1040     { "savevm", "F", do_savevm,
1041       "filename", "save the whole virtual machine state to 'filename'" },
1042     { "loadvm", "F", do_loadvm,
1043       "filename", "restore the whole virtual machine state from 'filename'" },
1044     { "stop", "", do_stop,
1045       "", "stop emulation", },
1046     { "c|cont", "", do_cont,
1047       "", "resume emulation", },
1048 #ifdef CONFIG_GDBSTUB
1049     { "gdbserver", "i?", do_gdbserver,
1050       "[port]", "start gdbserver session (default port=1234)", },
1051 #endif
1052     { "x", "/l", do_memory_dump,
1053       "/fmt addr", "virtual memory dump starting at 'addr'", },
1054     { "xp", "/l", do_physical_memory_dump,
1055       "/fmt addr", "physical memory dump starting at 'addr'", },
1056     { "p|print", "/l", do_print,
1057       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1058     { "i", "/ii.", do_ioport_read,
1059       "/fmt addr", "I/O port read" },
1060
1061     { "sendkey", "s", do_send_key,
1062       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1063     { "system_reset", "", do_system_reset,
1064       "", "reset the system" },
1065     { "system_powerdown", "", do_system_powerdown,
1066       "", "send system power down event" },
1067     { "sum", "ii", do_sum,
1068       "addr size", "compute the checksum of a memory region" },
1069     { "usb_add", "s", do_usb_add,
1070       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1071     { "usb_del", "s", do_usb_del,
1072       "device", "remove USB device 'bus.addr'" },
1073     { "cpu", "i", do_cpu_set,
1074       "index", "set the default CPU" },
1075     { NULL, NULL, },
1076 };
1077
1078 static term_cmd_t info_cmds[] = {
1079     { "version", "", do_info_version,
1080       "", "show the version of qemu" },
1081     { "network", "", do_info_network,
1082       "", "show the network state" },
1083     { "block", "", do_info_block,
1084       "", "show the block devices" },
1085     { "registers", "", do_info_registers,
1086       "", "show the cpu registers" },
1087     { "cpus", "", do_info_cpus,
1088       "", "show infos for each CPU" },
1089     { "history", "", do_info_history,
1090       "", "show the command line history", },
1091     { "irq", "", irq_info,
1092       "", "show the interrupts statistics (if available)", },
1093     { "pic", "", pic_info,
1094       "", "show i8259 (PIC) state", },
1095     { "pci", "", pci_info,
1096       "", "show PCI info", },
1097 #if defined(TARGET_I386)
1098     { "tlb", "", tlb_info,
1099       "", "show virtual to physical memory mappings", },
1100     { "mem", "", mem_info,
1101       "", "show the active virtual memory mappings", },
1102 #endif
1103     { "jit", "", do_info_jit,
1104       "", "show dynamic compiler info", },
1105     { "kqemu", "", do_info_kqemu,
1106       "", "show kqemu information", },
1107     { "usb", "", usb_info,
1108       "", "show guest USB devices", },
1109     { "usbhost", "", usb_host_info,
1110       "", "show host USB devices", },
1111     { "profile", "", do_info_profile,
1112       "", "show profiling information", },
1113     { NULL, NULL, },
1114 };
1115
1116 /*******************************************************************/
1117
1118 static const char *pch;
1119 static jmp_buf expr_env;
1120
1121 #define MD_TLONG 0
1122 #define MD_I32   1
1123
1124 typedef struct MonitorDef {
1125     const char *name;
1126     int offset;
1127     target_long (*get_value)(struct MonitorDef *md, int val);
1128     int type;
1129 } MonitorDef;
1130
1131 #if defined(TARGET_I386)
1132 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1133 {
1134     CPUState *env = mon_get_cpu();
1135     if (!env)
1136         return 0;
1137     return env->eip + env->segs[R_CS].base;
1138 }
1139 #endif
1140
1141 #if defined(TARGET_PPC)
1142 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1143 {
1144     CPUState *env = mon_get_cpu();
1145     unsigned int u;
1146     int i;
1147
1148     if (!env)
1149         return 0;
1150
1151     u = 0;
1152     for (i = 0; i < 8; i++)
1153         u |= env->crf[i] << (32 - (4 * i));
1154
1155     return u;
1156 }
1157
1158 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1159 {
1160     CPUState *env = mon_get_cpu();
1161     if (!env)
1162         return 0;
1163     return (env->msr[MSR_POW] << MSR_POW) |
1164         (env->msr[MSR_ILE] << MSR_ILE) |
1165         (env->msr[MSR_EE] << MSR_EE) |
1166         (env->msr[MSR_PR] << MSR_PR) |
1167         (env->msr[MSR_FP] << MSR_FP) |
1168         (env->msr[MSR_ME] << MSR_ME) |
1169         (env->msr[MSR_FE0] << MSR_FE0) |
1170         (env->msr[MSR_SE] << MSR_SE) |
1171         (env->msr[MSR_BE] << MSR_BE) |
1172         (env->msr[MSR_FE1] << MSR_FE1) |
1173         (env->msr[MSR_IP] << MSR_IP) |
1174         (env->msr[MSR_IR] << MSR_IR) |
1175         (env->msr[MSR_DR] << MSR_DR) |
1176         (env->msr[MSR_RI] << MSR_RI) |
1177         (env->msr[MSR_LE] << MSR_LE);
1178 }
1179
1180 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1181 {
1182     CPUState *env = mon_get_cpu();
1183     if (!env)
1184         return 0;
1185     return (env->xer[XER_SO] << XER_SO) |
1186         (env->xer[XER_OV] << XER_OV) |
1187         (env->xer[XER_CA] << XER_CA) |
1188         (env->xer[XER_BC] << XER_BC);
1189 }
1190
1191 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1192 {
1193     CPUState *env = mon_get_cpu();
1194     if (!env)
1195         return 0;
1196     return cpu_ppc_load_decr(env);
1197 }
1198
1199 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1200 {
1201     CPUState *env = mon_get_cpu();
1202     if (!env)
1203         return 0;
1204     return cpu_ppc_load_tbu(env);
1205 }
1206
1207 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1208 {
1209     CPUState *env = mon_get_cpu();
1210     if (!env)
1211         return 0;
1212     return cpu_ppc_load_tbl(env);
1213 }
1214 #endif
1215
1216 #if defined(TARGET_SPARC)
1217 #ifndef TARGET_SPARC64
1218 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1219 {
1220     CPUState *env = mon_get_cpu();
1221     if (!env)
1222         return 0;
1223     return GET_PSR(env);
1224 }
1225 #endif
1226
1227 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1228 {
1229     CPUState *env = mon_get_cpu();
1230     if (!env)
1231         return 0;
1232     return env->regwptr[val];
1233 }
1234 #endif
1235
1236 static MonitorDef monitor_defs[] = {
1237 #ifdef TARGET_I386
1238
1239 #define SEG(name, seg) \
1240     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1241     { name ".base", offsetof(CPUState, segs[seg].base) },\
1242     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1243
1244     { "eax", offsetof(CPUState, regs[0]) },
1245     { "ecx", offsetof(CPUState, regs[1]) },
1246     { "edx", offsetof(CPUState, regs[2]) },
1247     { "ebx", offsetof(CPUState, regs[3]) },
1248     { "esp|sp", offsetof(CPUState, regs[4]) },
1249     { "ebp|fp", offsetof(CPUState, regs[5]) },
1250     { "esi", offsetof(CPUState, regs[6]) },
1251     { "edi", offsetof(CPUState, regs[7]) },
1252 #ifdef TARGET_X86_64
1253     { "r8", offsetof(CPUState, regs[8]) },
1254     { "r9", offsetof(CPUState, regs[9]) },
1255     { "r10", offsetof(CPUState, regs[10]) },
1256     { "r11", offsetof(CPUState, regs[11]) },
1257     { "r12", offsetof(CPUState, regs[12]) },
1258     { "r13", offsetof(CPUState, regs[13]) },
1259     { "r14", offsetof(CPUState, regs[14]) },
1260     { "r15", offsetof(CPUState, regs[15]) },
1261 #endif
1262     { "eflags", offsetof(CPUState, eflags) },
1263     { "eip", offsetof(CPUState, eip) },
1264     SEG("cs", R_CS)
1265     SEG("ds", R_DS)
1266     SEG("es", R_ES)
1267     SEG("ss", R_SS)
1268     SEG("fs", R_FS)
1269     SEG("gs", R_GS)
1270     { "pc", 0, monitor_get_pc, },
1271 #elif defined(TARGET_PPC)
1272     { "r0", offsetof(CPUState, gpr[0]) },
1273     { "r1", offsetof(CPUState, gpr[1]) },
1274     { "r2", offsetof(CPUState, gpr[2]) },
1275     { "r3", offsetof(CPUState, gpr[3]) },
1276     { "r4", offsetof(CPUState, gpr[4]) },
1277     { "r5", offsetof(CPUState, gpr[5]) },
1278     { "r6", offsetof(CPUState, gpr[6]) },
1279     { "r7", offsetof(CPUState, gpr[7]) },
1280     { "r8", offsetof(CPUState, gpr[8]) },
1281     { "r9", offsetof(CPUState, gpr[9]) },
1282     { "r10", offsetof(CPUState, gpr[10]) },
1283     { "r11", offsetof(CPUState, gpr[11]) },
1284     { "r12", offsetof(CPUState, gpr[12]) },
1285     { "r13", offsetof(CPUState, gpr[13]) },
1286     { "r14", offsetof(CPUState, gpr[14]) },
1287     { "r15", offsetof(CPUState, gpr[15]) },
1288     { "r16", offsetof(CPUState, gpr[16]) },
1289     { "r17", offsetof(CPUState, gpr[17]) },
1290     { "r18", offsetof(CPUState, gpr[18]) },
1291     { "r19", offsetof(CPUState, gpr[19]) },
1292     { "r20", offsetof(CPUState, gpr[20]) },
1293     { "r21", offsetof(CPUState, gpr[21]) },
1294     { "r22", offsetof(CPUState, gpr[22]) },
1295     { "r23", offsetof(CPUState, gpr[23]) },
1296     { "r24", offsetof(CPUState, gpr[24]) },
1297     { "r25", offsetof(CPUState, gpr[25]) },
1298     { "r26", offsetof(CPUState, gpr[26]) },
1299     { "r27", offsetof(CPUState, gpr[27]) },
1300     { "r28", offsetof(CPUState, gpr[28]) },
1301     { "r29", offsetof(CPUState, gpr[29]) },
1302     { "r30", offsetof(CPUState, gpr[30]) },
1303     { "r31", offsetof(CPUState, gpr[31]) },
1304     { "nip|pc", offsetof(CPUState, nip) },
1305     { "lr", offsetof(CPUState, lr) },
1306     { "ctr", offsetof(CPUState, ctr) },
1307     { "decr", 0, &monitor_get_decr, },
1308     { "ccr", 0, &monitor_get_ccr, },
1309     { "msr", 0, &monitor_get_msr, },
1310     { "xer", 0, &monitor_get_xer, },
1311     { "tbu", 0, &monitor_get_tbu, },
1312     { "tbl", 0, &monitor_get_tbl, },
1313     { "sdr1", offsetof(CPUState, sdr1) },
1314     { "sr0", offsetof(CPUState, sr[0]) },
1315     { "sr1", offsetof(CPUState, sr[1]) },
1316     { "sr2", offsetof(CPUState, sr[2]) },
1317     { "sr3", offsetof(CPUState, sr[3]) },
1318     { "sr4", offsetof(CPUState, sr[4]) },
1319     { "sr5", offsetof(CPUState, sr[5]) },
1320     { "sr6", offsetof(CPUState, sr[6]) },
1321     { "sr7", offsetof(CPUState, sr[7]) },
1322     { "sr8", offsetof(CPUState, sr[8]) },
1323     { "sr9", offsetof(CPUState, sr[9]) },
1324     { "sr10", offsetof(CPUState, sr[10]) },
1325     { "sr11", offsetof(CPUState, sr[11]) },
1326     { "sr12", offsetof(CPUState, sr[12]) },
1327     { "sr13", offsetof(CPUState, sr[13]) },
1328     { "sr14", offsetof(CPUState, sr[14]) },
1329     { "sr15", offsetof(CPUState, sr[15]) },
1330     /* Too lazy to put BATs and SPRs ... */
1331 #elif defined(TARGET_SPARC)
1332     { "g0", offsetof(CPUState, gregs[0]) },
1333     { "g1", offsetof(CPUState, gregs[1]) },
1334     { "g2", offsetof(CPUState, gregs[2]) },
1335     { "g3", offsetof(CPUState, gregs[3]) },
1336     { "g4", offsetof(CPUState, gregs[4]) },
1337     { "g5", offsetof(CPUState, gregs[5]) },
1338     { "g6", offsetof(CPUState, gregs[6]) },
1339     { "g7", offsetof(CPUState, gregs[7]) },
1340     { "o0", 0, monitor_get_reg },
1341     { "o1", 1, monitor_get_reg },
1342     { "o2", 2, monitor_get_reg },
1343     { "o3", 3, monitor_get_reg },
1344     { "o4", 4, monitor_get_reg },
1345     { "o5", 5, monitor_get_reg },
1346     { "o6", 6, monitor_get_reg },
1347     { "o7", 7, monitor_get_reg },
1348     { "l0", 8, monitor_get_reg },
1349     { "l1", 9, monitor_get_reg },
1350     { "l2", 10, monitor_get_reg },
1351     { "l3", 11, monitor_get_reg },
1352     { "l4", 12, monitor_get_reg },
1353     { "l5", 13, monitor_get_reg },
1354     { "l6", 14, monitor_get_reg },
1355     { "l7", 15, monitor_get_reg },
1356     { "i0", 16, monitor_get_reg },
1357     { "i1", 17, monitor_get_reg },
1358     { "i2", 18, monitor_get_reg },
1359     { "i3", 19, monitor_get_reg },
1360     { "i4", 20, monitor_get_reg },
1361     { "i5", 21, monitor_get_reg },
1362     { "i6", 22, monitor_get_reg },
1363     { "i7", 23, monitor_get_reg },
1364     { "pc", offsetof(CPUState, pc) },
1365     { "npc", offsetof(CPUState, npc) },
1366     { "y", offsetof(CPUState, y) },
1367 #ifndef TARGET_SPARC64
1368     { "psr", 0, &monitor_get_psr, },
1369     { "wim", offsetof(CPUState, wim) },
1370 #endif
1371     { "tbr", offsetof(CPUState, tbr) },
1372     { "fsr", offsetof(CPUState, fsr) },
1373     { "f0", offsetof(CPUState, fpr[0]) },
1374     { "f1", offsetof(CPUState, fpr[1]) },
1375     { "f2", offsetof(CPUState, fpr[2]) },
1376     { "f3", offsetof(CPUState, fpr[3]) },
1377     { "f4", offsetof(CPUState, fpr[4]) },
1378     { "f5", offsetof(CPUState, fpr[5]) },
1379     { "f6", offsetof(CPUState, fpr[6]) },
1380     { "f7", offsetof(CPUState, fpr[7]) },
1381     { "f8", offsetof(CPUState, fpr[8]) },
1382     { "f9", offsetof(CPUState, fpr[9]) },
1383     { "f10", offsetof(CPUState, fpr[10]) },
1384     { "f11", offsetof(CPUState, fpr[11]) },
1385     { "f12", offsetof(CPUState, fpr[12]) },
1386     { "f13", offsetof(CPUState, fpr[13]) },
1387     { "f14", offsetof(CPUState, fpr[14]) },
1388     { "f15", offsetof(CPUState, fpr[15]) },
1389     { "f16", offsetof(CPUState, fpr[16]) },
1390     { "f17", offsetof(CPUState, fpr[17]) },
1391     { "f18", offsetof(CPUState, fpr[18]) },
1392     { "f19", offsetof(CPUState, fpr[19]) },
1393     { "f20", offsetof(CPUState, fpr[20]) },
1394     { "f21", offsetof(CPUState, fpr[21]) },
1395     { "f22", offsetof(CPUState, fpr[22]) },
1396     { "f23", offsetof(CPUState, fpr[23]) },
1397     { "f24", offsetof(CPUState, fpr[24]) },
1398     { "f25", offsetof(CPUState, fpr[25]) },
1399     { "f26", offsetof(CPUState, fpr[26]) },
1400     { "f27", offsetof(CPUState, fpr[27]) },
1401     { "f28", offsetof(CPUState, fpr[28]) },
1402     { "f29", offsetof(CPUState, fpr[29]) },
1403     { "f30", offsetof(CPUState, fpr[30]) },
1404     { "f31", offsetof(CPUState, fpr[31]) },
1405 #ifdef TARGET_SPARC64
1406     { "f32", offsetof(CPUState, fpr[32]) },
1407     { "f34", offsetof(CPUState, fpr[34]) },
1408     { "f36", offsetof(CPUState, fpr[36]) },
1409     { "f38", offsetof(CPUState, fpr[38]) },
1410     { "f40", offsetof(CPUState, fpr[40]) },
1411     { "f42", offsetof(CPUState, fpr[42]) },
1412     { "f44", offsetof(CPUState, fpr[44]) },
1413     { "f46", offsetof(CPUState, fpr[46]) },
1414     { "f48", offsetof(CPUState, fpr[48]) },
1415     { "f50", offsetof(CPUState, fpr[50]) },
1416     { "f52", offsetof(CPUState, fpr[52]) },
1417     { "f54", offsetof(CPUState, fpr[54]) },
1418     { "f56", offsetof(CPUState, fpr[56]) },
1419     { "f58", offsetof(CPUState, fpr[58]) },
1420     { "f60", offsetof(CPUState, fpr[60]) },
1421     { "f62", offsetof(CPUState, fpr[62]) },
1422     { "asi", offsetof(CPUState, asi) },
1423     { "pstate", offsetof(CPUState, pstate) },
1424     { "cansave", offsetof(CPUState, cansave) },
1425     { "canrestore", offsetof(CPUState, canrestore) },
1426     { "otherwin", offsetof(CPUState, otherwin) },
1427     { "wstate", offsetof(CPUState, wstate) },
1428     { "cleanwin", offsetof(CPUState, cleanwin) },
1429     { "fprs", offsetof(CPUState, fprs) },
1430 #endif
1431 #endif
1432     { NULL },
1433 };
1434
1435 static void expr_error(const char *fmt)
1436 {
1437     term_printf(fmt);
1438     term_printf("\n");
1439     longjmp(expr_env, 1);
1440 }
1441
1442 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1443 static int get_monitor_def(target_long *pval, const char *name)
1444 {
1445     MonitorDef *md;
1446     void *ptr;
1447
1448     for(md = monitor_defs; md->name != NULL; md++) {
1449         if (compare_cmd(name, md->name)) {
1450             if (md->get_value) {
1451                 *pval = md->get_value(md, md->offset);
1452             } else {
1453                 CPUState *env = mon_get_cpu();
1454                 if (!env)
1455                     return -2;
1456                 ptr = (uint8_t *)env + md->offset;
1457                 switch(md->type) {
1458                 case MD_I32:
1459                     *pval = *(int32_t *)ptr;
1460                     break;
1461                 case MD_TLONG:
1462                     *pval = *(target_long *)ptr;
1463                     break;
1464                 default:
1465                     *pval = 0;
1466                     break;
1467                 }
1468             }
1469             return 0;
1470         }
1471     }
1472     return -1;
1473 }
1474
1475 static void next(void)
1476 {
1477     if (pch != '\0') {
1478         pch++;
1479         while (isspace(*pch))
1480             pch++;
1481     }
1482 }
1483
1484 static target_long expr_sum(void);
1485
1486 static target_long expr_unary(void)
1487 {
1488     target_long n;
1489     char *p;
1490     int ret;
1491
1492     switch(*pch) {
1493     case '+':
1494         next();
1495         n = expr_unary();
1496         break;
1497     case '-':
1498         next();
1499         n = -expr_unary();
1500         break;
1501     case '~':
1502         next();
1503         n = ~expr_unary();
1504         break;
1505     case '(':
1506         next();
1507         n = expr_sum();
1508         if (*pch != ')') {
1509             expr_error("')' expected");
1510         }
1511         next();
1512         break;
1513     case '\'':
1514         pch++;
1515         if (*pch == '\0')
1516             expr_error("character constant expected");
1517         n = *pch;
1518         pch++;
1519         if (*pch != '\'')
1520             expr_error("missing terminating \' character");
1521         next();
1522         break;
1523     case '$':
1524         {
1525             char buf[128], *q;
1526
1527             pch++;
1528             q = buf;
1529             while ((*pch >= 'a' && *pch <= 'z') ||
1530                    (*pch >= 'A' && *pch <= 'Z') ||
1531                    (*pch >= '0' && *pch <= '9') ||
1532                    *pch == '_' || *pch == '.') {
1533                 if ((q - buf) < sizeof(buf) - 1)
1534                     *q++ = *pch;
1535                 pch++;
1536             }
1537             while (isspace(*pch))
1538                 pch++;
1539             *q = 0;
1540             ret = get_monitor_def(&n, buf);
1541             if (ret == -1)
1542                 expr_error("unknown register");
1543             else if (ret == -2)
1544                 expr_error("no cpu defined");
1545         }
1546         break;
1547     case '\0':
1548         expr_error("unexpected end of expression");
1549         n = 0;
1550         break;
1551     default:
1552         n = strtoul(pch, &p, 0);
1553         if (pch == p) {
1554             expr_error("invalid char in expression");
1555         }
1556         pch = p;
1557         while (isspace(*pch))
1558             pch++;
1559         break;
1560     }
1561     return n;
1562 }
1563
1564
1565 static target_long expr_prod(void)
1566 {
1567     target_long val, val2;
1568     int op;
1569
1570     val = expr_unary();
1571     for(;;) {
1572         op = *pch;
1573         if (op != '*' && op != '/' && op != '%')
1574             break;
1575         next();
1576         val2 = expr_unary();
1577         switch(op) {
1578         default:
1579         case '*':
1580             val *= val2;
1581             break;
1582         case '/':
1583         case '%':
1584             if (val2 == 0)
1585                 expr_error("division by zero");
1586             if (op == '/')
1587                 val /= val2;
1588             else
1589                 val %= val2;
1590             break;
1591         }
1592     }
1593     return val;
1594 }
1595
1596 static target_long expr_logic(void)
1597 {
1598     target_long val, val2;
1599     int op;
1600
1601     val = expr_prod();
1602     for(;;) {
1603         op = *pch;
1604         if (op != '&' && op != '|' && op != '^')
1605             break;
1606         next();
1607         val2 = expr_prod();
1608         switch(op) {
1609         default:
1610         case '&':
1611             val &= val2;
1612             break;
1613         case '|':
1614             val |= val2;
1615             break;
1616         case '^':
1617             val ^= val2;
1618             break;
1619         }
1620     }
1621     return val;
1622 }
1623
1624 static target_long expr_sum(void)
1625 {
1626     target_long val, val2;
1627     int op;
1628
1629     val = expr_logic();
1630     for(;;) {
1631         op = *pch;
1632         if (op != '+' && op != '-')
1633             break;
1634         next();
1635         val2 = expr_logic();
1636         if (op == '+')
1637             val += val2;
1638         else
1639             val -= val2;
1640     }
1641     return val;
1642 }
1643
1644 static int get_expr(target_long *pval, const char **pp)
1645 {
1646     pch = *pp;
1647     if (setjmp(expr_env)) {
1648         *pp = pch;
1649         return -1;
1650     }
1651     while (isspace(*pch))
1652         pch++;
1653     *pval = expr_sum();
1654     *pp = pch;
1655     return 0;
1656 }
1657
1658 static int get_str(char *buf, int buf_size, const char **pp)
1659 {
1660     const char *p;
1661     char *q;
1662     int c;
1663
1664     q = buf;
1665     p = *pp;
1666     while (isspace(*p))
1667         p++;
1668     if (*p == '\0') {
1669     fail:
1670         *q = '\0';
1671         *pp = p;
1672         return -1;
1673     }
1674     if (*p == '\"') {
1675         p++;
1676         while (*p != '\0' && *p != '\"') {
1677             if (*p == '\\') {
1678                 p++;
1679                 c = *p++;
1680                 switch(c) {
1681                 case 'n':
1682                     c = '\n';
1683                     break;
1684                 case 'r':
1685                     c = '\r';
1686                     break;
1687                 case '\\':
1688                 case '\'':
1689                 case '\"':
1690                     break;
1691                 default:
1692                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1693                     goto fail;
1694                 }
1695                 if ((q - buf) < buf_size - 1) {
1696                     *q++ = c;
1697                 }
1698             } else {
1699                 if ((q - buf) < buf_size - 1) {
1700                     *q++ = *p;
1701                 }
1702                 p++;
1703             }
1704         }
1705         if (*p != '\"') {
1706             qemu_printf("unterminated string\n");
1707             goto fail;
1708         }
1709         p++;
1710     } else {
1711         while (*p != '\0' && !isspace(*p)) {
1712             if ((q - buf) < buf_size - 1) {
1713                 *q++ = *p;
1714             }
1715             p++;
1716         }
1717     }
1718     *q = '\0';
1719     *pp = p;
1720     return 0;
1721 }
1722
1723 static int default_fmt_format = 'x';
1724 static int default_fmt_size = 4;
1725
1726 #define MAX_ARGS 16
1727
1728 static void monitor_handle_command(const char *cmdline)
1729 {
1730     const char *p, *pstart, *typestr;
1731     char *q;
1732     int c, nb_args, len, i, has_arg;
1733     term_cmd_t *cmd;
1734     char cmdname[256];
1735     char buf[1024];
1736     void *str_allocated[MAX_ARGS];
1737     void *args[MAX_ARGS];
1738
1739 #ifdef DEBUG
1740     term_printf("command='%s'\n", cmdline);
1741 #endif
1742
1743     /* extract the command name */
1744     p = cmdline;
1745     q = cmdname;
1746     while (isspace(*p))
1747         p++;
1748     if (*p == '\0')
1749         return;
1750     pstart = p;
1751     while (*p != '\0' && *p != '/' && !isspace(*p))
1752         p++;
1753     len = p - pstart;
1754     if (len > sizeof(cmdname) - 1)
1755         len = sizeof(cmdname) - 1;
1756     memcpy(cmdname, pstart, len);
1757     cmdname[len] = '\0';
1758
1759     /* find the command */
1760     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1761         if (compare_cmd(cmdname, cmd->name))
1762             goto found;
1763     }
1764     term_printf("unknown command: '%s'\n", cmdname);
1765     return;
1766  found:
1767
1768     for(i = 0; i < MAX_ARGS; i++)
1769         str_allocated[i] = NULL;
1770
1771     /* parse the parameters */
1772     typestr = cmd->args_type;
1773     nb_args = 0;
1774     for(;;) {
1775         c = *typestr;
1776         if (c == '\0')
1777             break;
1778         typestr++;
1779         switch(c) {
1780         case 'F':
1781         case 'B':
1782         case 's':
1783             {
1784                 int ret;
1785                 char *str;
1786
1787                 while (isspace(*p))
1788                     p++;
1789                 if (*typestr == '?') {
1790                     typestr++;
1791                     if (*p == '\0') {
1792                         /* no optional string: NULL argument */
1793                         str = NULL;
1794                         goto add_str;
1795                     }
1796                 }
1797                 ret = get_str(buf, sizeof(buf), &p);
1798                 if (ret < 0) {
1799                     switch(c) {
1800                     case 'F':
1801                         term_printf("%s: filename expected\n", cmdname);
1802                         break;
1803                     case 'B':
1804                         term_printf("%s: block device name expected\n", cmdname);
1805                         break;
1806                     default:
1807                         term_printf("%s: string expected\n", cmdname);
1808                         break;
1809                     }
1810                     goto fail;
1811                 }
1812                 str = qemu_malloc(strlen(buf) + 1);
1813                 strcpy(str, buf);
1814                 str_allocated[nb_args] = str;
1815             add_str:
1816                 if (nb_args >= MAX_ARGS) {
1817                 error_args:
1818                     term_printf("%s: too many arguments\n", cmdname);
1819                     goto fail;
1820                 }
1821                 args[nb_args++] = str;
1822             }
1823             break;
1824         case '/':
1825             {
1826                 int count, format, size;
1827
1828                 while (isspace(*p))
1829                     p++;
1830                 if (*p == '/') {
1831                     /* format found */
1832                     p++;
1833                     count = 1;
1834                     if (isdigit(*p)) {
1835                         count = 0;
1836                         while (isdigit(*p)) {
1837                             count = count * 10 + (*p - '0');
1838                             p++;
1839                         }
1840                     }
1841                     size = -1;
1842                     format = -1;
1843                     for(;;) {
1844                         switch(*p) {
1845                         case 'o':
1846                         case 'd':
1847                         case 'u':
1848                         case 'x':
1849                         case 'i':
1850                         case 'c':
1851                             format = *p++;
1852                             break;
1853                         case 'b':
1854                             size = 1;
1855                             p++;
1856                             break;
1857                         case 'h':
1858                             size = 2;
1859                             p++;
1860                             break;
1861                         case 'w':
1862                             size = 4;
1863                             p++;
1864                             break;
1865                         case 'g':
1866                         case 'L':
1867                             size = 8;
1868                             p++;
1869                             break;
1870                         default:
1871                             goto next;
1872                         }
1873                     }
1874                 next:
1875                     if (*p != '\0' && !isspace(*p)) {
1876                         term_printf("invalid char in format: '%c'\n", *p);
1877                         goto fail;
1878                     }
1879                     if (format < 0)
1880                         format = default_fmt_format;
1881                     if (format != 'i') {
1882                         /* for 'i', not specifying a size gives -1 as size */
1883                         if (size < 0)
1884                             size = default_fmt_size;
1885                     }
1886                     default_fmt_size = size;
1887                     default_fmt_format = format;
1888                 } else {
1889                     count = 1;
1890                     format = default_fmt_format;
1891                     if (format != 'i') {
1892                         size = default_fmt_size;
1893                     } else {
1894                         size = -1;
1895                     }
1896                 }
1897                 if (nb_args + 3 > MAX_ARGS)
1898                     goto error_args;
1899                 args[nb_args++] = (void*)count;
1900                 args[nb_args++] = (void*)format;
1901                 args[nb_args++] = (void*)size;
1902             }
1903             break;
1904         case 'i':
1905         case 'l':
1906             {
1907                 target_long val;
1908                 while (isspace(*p))
1909                     p++;
1910                 if (*typestr == '?' || *typestr == '.') {
1911                     typestr++;
1912                     if (*typestr == '?') {
1913                         if (*p == '\0')
1914                             has_arg = 0;
1915                         else
1916                             has_arg = 1;
1917                     } else {
1918                         if (*p == '.') {
1919                             p++;
1920                             while (isspace(*p))
1921                                 p++;
1922                             has_arg = 1;
1923                         } else {
1924                             has_arg = 0;
1925                         }
1926                     }
1927                     if (nb_args >= MAX_ARGS)
1928                         goto error_args;
1929                     args[nb_args++] = (void *)has_arg;
1930                     if (!has_arg) {
1931                         if (nb_args >= MAX_ARGS)
1932                             goto error_args;
1933                         val = -1;
1934                         goto add_num;
1935                     }
1936                 }
1937                 if (get_expr(&val, &p))
1938                     goto fail;
1939             add_num:
1940                 if (c == 'i') {
1941                     if (nb_args >= MAX_ARGS)
1942                         goto error_args;
1943                     args[nb_args++] = (void *)(int)val;
1944                 } else {
1945                     if ((nb_args + 1) >= MAX_ARGS)
1946                         goto error_args;
1947 #if TARGET_LONG_BITS == 64
1948                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
1949 #else
1950                     args[nb_args++] = (void *)0;
1951 #endif
1952                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
1953                 }
1954             }
1955             break;
1956         case '-':
1957             {
1958                 int has_option;
1959                 /* option */
1960
1961                 c = *typestr++;
1962                 if (c == '\0')
1963                     goto bad_type;
1964                 while (isspace(*p))
1965                     p++;
1966                 has_option = 0;
1967                 if (*p == '-') {
1968                     p++;
1969                     if (*p != c) {
1970                         term_printf("%s: unsupported option -%c\n",
1971                                     cmdname, *p);
1972                         goto fail;
1973                     }
1974                     p++;
1975                     has_option = 1;
1976                 }
1977                 if (nb_args >= MAX_ARGS)
1978                     goto error_args;
1979                 args[nb_args++] = (void *)has_option;
1980             }
1981             break;
1982         default:
1983         bad_type:
1984             term_printf("%s: unknown type '%c'\n", cmdname, c);
1985             goto fail;
1986         }
1987     }
1988     /* check that all arguments were parsed */
1989     while (isspace(*p))
1990         p++;
1991     if (*p != '\0') {
1992         term_printf("%s: extraneous characters at the end of line\n",
1993                     cmdname);
1994         goto fail;
1995     }
1996
1997     switch(nb_args) {
1998     case 0:
1999         cmd->handler();
2000         break;
2001     case 1:
2002         cmd->handler(args[0]);
2003         break;
2004     case 2:
2005         cmd->handler(args[0], args[1]);
2006         break;
2007     case 3:
2008         cmd->handler(args[0], args[1], args[2]);
2009         break;
2010     case 4:
2011         cmd->handler(args[0], args[1], args[2], args[3]);
2012         break;
2013     case 5:
2014         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2015         break;
2016     case 6:
2017         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2018         break;
2019     default:
2020         term_printf("unsupported number of arguments: %d\n", nb_args);
2021         goto fail;
2022     }
2023  fail:
2024     for(i = 0; i < MAX_ARGS; i++)
2025         qemu_free(str_allocated[i]);
2026     return;
2027 }
2028
2029 static void cmd_completion(const char *name, const char *list)
2030 {
2031     const char *p, *pstart;
2032     char cmd[128];
2033     int len;
2034
2035     p = list;
2036     for(;;) {
2037         pstart = p;
2038         p = strchr(p, '|');
2039         if (!p)
2040             p = pstart + strlen(pstart);
2041         len = p - pstart;
2042         if (len > sizeof(cmd) - 2)
2043             len = sizeof(cmd) - 2;
2044         memcpy(cmd, pstart, len);
2045         cmd[len] = '\0';
2046         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2047             add_completion(cmd);
2048         }
2049         if (*p == '\0')
2050             break;
2051         p++;
2052     }
2053 }
2054
2055 static void file_completion(const char *input)
2056 {
2057     DIR *ffs;
2058     struct dirent *d;
2059     char path[1024];
2060     char file[1024], file_prefix[1024];
2061     int input_path_len;
2062     const char *p;
2063
2064     p = strrchr(input, '/');
2065     if (!p) {
2066         input_path_len = 0;
2067         pstrcpy(file_prefix, sizeof(file_prefix), input);
2068         strcpy(path, ".");
2069     } else {
2070         input_path_len = p - input + 1;
2071         memcpy(path, input, input_path_len);
2072         if (input_path_len > sizeof(path) - 1)
2073             input_path_len = sizeof(path) - 1;
2074         path[input_path_len] = '\0';
2075         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2076     }
2077 #ifdef DEBUG_COMPLETION
2078     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2079 #endif
2080     ffs = opendir(path);
2081     if (!ffs)
2082         return;
2083     for(;;) {
2084         struct stat sb;
2085         d = readdir(ffs);
2086         if (!d)
2087             break;
2088         if (strstart(d->d_name, file_prefix, NULL)) {
2089             memcpy(file, input, input_path_len);
2090             strcpy(file + input_path_len, d->d_name);
2091             /* stat the file to find out if it's a directory.
2092              * In that case add a slash to speed up typing long paths
2093              */
2094             stat(file, &sb);
2095             if(S_ISDIR(sb.st_mode))
2096                 strcat(file, "/");
2097             add_completion(file);
2098         }
2099     }
2100     closedir(ffs);
2101 }
2102
2103 static void block_completion_it(void *opaque, const char *name)
2104 {
2105     const char *input = opaque;
2106
2107     if (input[0] == '\0' ||
2108         !strncmp(name, (char *)input, strlen(input))) {
2109         add_completion(name);
2110     }
2111 }
2112
2113 /* NOTE: this parser is an approximate form of the real command parser */
2114 static void parse_cmdline(const char *cmdline,
2115                          int *pnb_args, char **args)
2116 {
2117     const char *p;
2118     int nb_args, ret;
2119     char buf[1024];
2120
2121     p = cmdline;
2122     nb_args = 0;
2123     for(;;) {
2124         while (isspace(*p))
2125             p++;
2126         if (*p == '\0')
2127             break;
2128         if (nb_args >= MAX_ARGS)
2129             break;
2130         ret = get_str(buf, sizeof(buf), &p);
2131         args[nb_args] = qemu_strdup(buf);
2132         nb_args++;
2133         if (ret < 0)
2134             break;
2135     }
2136     *pnb_args = nb_args;
2137 }
2138
2139 void readline_find_completion(const char *cmdline)
2140 {
2141     const char *cmdname;
2142     char *args[MAX_ARGS];
2143     int nb_args, i, len;
2144     const char *ptype, *str;
2145     term_cmd_t *cmd;
2146
2147     parse_cmdline(cmdline, &nb_args, args);
2148 #ifdef DEBUG_COMPLETION
2149     for(i = 0; i < nb_args; i++) {
2150         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2151     }
2152 #endif
2153
2154     /* if the line ends with a space, it means we want to complete the
2155        next arg */
2156     len = strlen(cmdline);
2157     if (len > 0 && isspace(cmdline[len - 1])) {
2158         if (nb_args >= MAX_ARGS)
2159             return;
2160         args[nb_args++] = qemu_strdup("");
2161     }
2162     if (nb_args <= 1) {
2163         /* command completion */
2164         if (nb_args == 0)
2165             cmdname = "";
2166         else
2167             cmdname = args[0];
2168         completion_index = strlen(cmdname);
2169         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2170             cmd_completion(cmdname, cmd->name);
2171         }
2172     } else {
2173         /* find the command */
2174         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2175             if (compare_cmd(args[0], cmd->name))
2176                 goto found;
2177         }
2178         return;
2179     found:
2180         ptype = cmd->args_type;
2181         for(i = 0; i < nb_args - 2; i++) {
2182             if (*ptype != '\0') {
2183                 ptype++;
2184                 while (*ptype == '?')
2185                     ptype++;
2186             }
2187         }
2188         str = args[nb_args - 1];
2189         switch(*ptype) {
2190         case 'F':
2191             /* file completion */
2192             completion_index = strlen(str);
2193             file_completion(str);
2194             break;
2195         case 'B':
2196             /* block device name completion */
2197             completion_index = strlen(str);
2198             bdrv_iterate(block_completion_it, (void *)str);
2199             break;
2200         case 's':
2201             /* XXX: more generic ? */
2202             if (!strcmp(cmd->name, "info")) {
2203                 completion_index = strlen(str);
2204                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2205                     cmd_completion(str, cmd->name);
2206                 }
2207             }
2208             break;
2209         default:
2210             break;
2211         }
2212     }
2213     for(i = 0; i < nb_args; i++)
2214         qemu_free(args[i]);
2215 }
2216
2217 static int term_can_read(void *opaque)
2218 {
2219     return 128;
2220 }
2221
2222 static void term_read(void *opaque, const uint8_t *buf, int size)
2223 {
2224     int i;
2225     for(i = 0; i < size; i++)
2226         readline_handle_byte(buf[i]);
2227 }
2228
2229 static void monitor_start_input(void);
2230
2231 static void monitor_handle_command1(void *opaque, const char *cmdline)
2232 {
2233     monitor_handle_command(cmdline);
2234     monitor_start_input();
2235 }
2236
2237 static void monitor_start_input(void)
2238 {
2239     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2240 }
2241
2242 void monitor_init(CharDriverState *hd, int show_banner)
2243 {
2244     monitor_hd = hd;
2245     if (show_banner) {
2246         term_printf("QEMU %s monitor - type 'help' for more information\n",
2247                     QEMU_VERSION);
2248     }
2249     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2250     monitor_start_input();
2251 }
2252
2253 /* XXX: use threads ? */
2254 /* modal monitor readline */
2255 static int monitor_readline_started;
2256 static char *monitor_readline_buf;
2257 static int monitor_readline_buf_size;
2258
2259 static void monitor_readline_cb(void *opaque, const char *input)
2260 {
2261     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2262     monitor_readline_started = 0;
2263 }
2264
2265 void monitor_readline(const char *prompt, int is_password,
2266                       char *buf, int buf_size)
2267 {
2268     if (is_password) {
2269         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2270     }
2271     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2272     monitor_readline_buf = buf;
2273     monitor_readline_buf_size = buf_size;
2274     monitor_readline_started = 1;
2275     while (monitor_readline_started) {
2276         main_loop_wait(10);
2277     }
2278 }