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 #define MAX_MON 4
  58 static CharDriverState *monitor_hd[MAX_MON];
  59 static int hide_banner;
  60
  61 static term_cmd_t term_cmds[];
  62 static term_cmd_t info_cmds[];
  63
  64 static char term_outbuf[1024];
  65 static int term_outbuf_index;
  66
  67 static void monitor_start_input(void);
  68
  69 CPUState *mon_cpu = NULL;
  70
  71 void term_flush(void)
  72 {
  73     int i;
  74     if (term_outbuf_index > 0) {
  75         for (i = 0; i < MAX_MON; i++)
  76             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  77                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  78         term_outbuf_index = 0;
  79     }
  80 }
  81
  82 /* flush at every end of line or if the buffer is full */
  83 void term_puts(const char *str)
  84 {
  85     int c;
  86     for(;;) {
  87         c = *str++;
  88         if (c == '\0')
  89             break;
  90         if (c == '\n')
  91             term_outbuf[term_outbuf_index++] = '\r';
  92         term_outbuf[term_outbuf_index++] = c;
  93         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  94             c == '\n')
  95             term_flush();
  96     }
  97 }
  98
  99 void term_vprintf(const char *fmt, va_list ap)
 100 {
 101     char buf[4096];
 102     vsnprintf(buf, sizeof(buf), fmt, ap);
 103     term_puts(buf);
 104 }
 105
 106 void term_printf(const char *fmt, ...)
 107 {
 108     va_list ap;
 109     va_start(ap, fmt);
 110     term_vprintf(fmt, ap);
 111     va_end(ap);
 112 }
 113
 114 void term_print_filename(const char *filename)
 115 {
 116     int i;
 117
 118     for (i = 0; filename[i]; i++) {
 119         switch (filename[i]) {
 120         case ' ':
 121         case '"':
 122         case '\\':
 123             term_printf("\\%c", filename[i]);
 124             break;
 125         case '\t':
 126             term_printf("\\t");
 127             break;
 128         case '\r':
 129             term_printf("\\r");
 130             break;
 131         case '\n':
 132             term_printf("\\n");
 133             break;
 134         default:
 135             term_printf("%c", filename[i]);
 136             break;
 137         }
 138     }
 139 }
 140
 141 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 142 {
 143     va_list ap;
 144     va_start(ap, fmt);
 145     term_vprintf(fmt, ap);
 146     va_end(ap);
 147     return 0;
 148 }
 149
 150 static int compare_cmd(const char *name, const char *list)
 151 {
 152     const char *p, *pstart;
 153     int len;
 154     len = strlen(name);
 155     p = list;
 156     for(;;) {
 157         pstart = p;
 158         p = strchr(p, '|');
 159         if (!p)
 160             p = pstart + strlen(pstart);
 161         if ((p - pstart) == len && !memcmp(pstart, name, len))
 162             return 1;
 163         if (*p == '\0')
 164             break;
 165         p++;
 166     }
 167     return 0;
 168 }
 169
 170 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 171 {
 172     term_cmd_t *cmd;
 173
 174     for(cmd = cmds; cmd->name != NULL; cmd++) {
 175         if (!name || !strcmp(name, cmd->name))
 176             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 177     }
 178 }
 179
 180 static void help_cmd(const char *name)
 181 {
 182     if (name && !strcmp(name, "info")) {
 183         help_cmd1(info_cmds, "info ", NULL);
 184     } else {
 185         help_cmd1(term_cmds, "", name);
 186         if (name && !strcmp(name, "log")) {
 187             CPULogItem *item;
 188             term_printf("Log items (comma separated):\n");
 189             term_printf("%-10s %s\n", "none", "remove all logs");
 190             for(item = cpu_log_items; item->mask != 0; item++) {
 191                 term_printf("%-10s %s\n", item->name, item->help);
 192             }
 193         }
 194     }
 195 }
 196
 197 static void do_help(const char *name)
 198 {
 199     help_cmd(name);
 200 }
 201
 202 static void do_commit(const char *device)
 203 {
 204     int i, all_devices;
 205
 206     all_devices = !strcmp(device, "all");
 207     for (i = 0; i < MAX_DISKS; i++) {
 208         if (bs_table[i]) {
 209             if (all_devices ||
 210                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 211                 bdrv_commit(bs_table[i]);
 212         }
 213     }
 214     if (mtd_bdrv)
 215         if (all_devices || !strcmp(bdrv_get_device_name(mtd_bdrv), device))
 216             bdrv_commit(mtd_bdrv);
 217 }
 218
 219 static void do_info(const char *item)
 220 {
 221     term_cmd_t *cmd;
 222
 223     if (!item)
 224         goto help;
 225     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 226         if (compare_cmd(item, cmd->name))
 227             goto found;
 228     }
 229  help:
 230     help_cmd("info");
 231     return;
 232  found:
 233     cmd->handler();
 234 }
 235
 236 static void do_info_version(void)
 237 {
 238   term_printf("%s\n", QEMU_VERSION);
 239 }
 240
 241 static void do_info_name(void)
 242 {
 243     if (qemu_name)
 244         term_printf("%s\n", qemu_name);
 245 }
 246
 247 static void do_info_block(void)
 248 {
 249     bdrv_info();
 250 }
 251
 252 /* get the current CPU defined by the user */
 253 int mon_set_cpu(int cpu_index)
 254 {
 255     CPUState *env;
 256
 257     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 258         if (env->cpu_index == cpu_index) {
 259             mon_cpu = env;
 260             return 0;
 261         }
 262     }
 263     return -1;
 264 }
 265
 266 CPUState *mon_get_cpu(void)
 267 {
 268     if (!mon_cpu) {
 269         mon_set_cpu(0);
 270     }
 271     return mon_cpu;
 272 }
 273
 274 static void do_info_registers(void)
 275 {
 276     CPUState *env;
 277     env = mon_get_cpu();
 278     if (!env)
 279         return;
 280 #ifdef TARGET_I386
 281     cpu_dump_state(env, NULL, monitor_fprintf,
 282                    X86_DUMP_FPU);
 283 #else
 284     cpu_dump_state(env, NULL, monitor_fprintf,
 285                    0);
 286 #endif
 287 }
 288
 289 static void do_info_cpus(void)
 290 {
 291     CPUState *env;
 292
 293     /* just to set the default cpu if not already done */
 294     mon_get_cpu();
 295
 296     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 297         term_printf("%c CPU #%d:",
 298                     (env == mon_cpu) ? '*' : ' ',
 299                     env->cpu_index);
 300 #if defined(TARGET_I386)
 301         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 302         if (env->hflags & HF_HALTED_MASK)
 303             term_printf(" (halted)");
 304 #elif defined(TARGET_PPC)
 305         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 306         if (env->halted)
 307             term_printf(" (halted)");
 308 #elif defined(TARGET_SPARC)
 309         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 310         if (env->halted)
 311             term_printf(" (halted)");
 312 #endif
 313         term_printf("\n");
 314     }
 315 }
 316
 317 static void do_cpu_set(int index)
 318 {
 319     if (mon_set_cpu(index) < 0)
 320         term_printf("Invalid CPU index\n");
 321 }
 322
 323 static void do_info_jit(void)
 324 {
 325     dump_exec_info(NULL, monitor_fprintf);
 326 }
 327
 328 static void do_info_history (void)
 329 {
 330     int i;
 331     const char *str;
 332
 333     i = 0;
 334     for(;;) {
 335         str = readline_get_history(i);
 336         if (!str)
 337             break;
 338         term_printf("%d: '%s'\n", i, str);
 339         i++;
 340     }
 341 }
 342
 343 #if defined(TARGET_PPC)
 344 /* XXX: not implemented in other targets */
 345 static void do_info_cpu_stats (void)
 346 {
 347     CPUState *env;
 348
 349     env = mon_get_cpu();
 350     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 351 }
 352 #endif
 353
 354 static void do_quit(void)
 355 {
 356     exit(0);
 357 }
 358
 359 static int eject_device(BlockDriverState *bs, int force)
 360 {
 361     if (bdrv_is_inserted(bs)) {
 362         if (!force) {
 363             if (!bdrv_is_removable(bs)) {
 364                 term_printf("device is not removable\n");
 365                 return -1;
 366             }
 367             if (bdrv_is_locked(bs)) {
 368                 term_printf("device is locked\n");
 369                 return -1;
 370             }
 371         }
 372         bdrv_close(bs);
 373     }
 374     return 0;
 375 }
 376
 377 static void do_eject(int force, const char *filename)
 378 {
 379     BlockDriverState *bs;
 380
 381     bs = bdrv_find(filename);
 382     if (!bs) {
 383         term_printf("device not found\n");
 384         return;
 385     }
 386     eject_device(bs, force);
 387 }
 388
 389 static void do_change_block(const char *device, const char *filename)
 390 {
 391     BlockDriverState *bs;
 392
 393     bs = bdrv_find(device);
 394     if (!bs) {
 395         term_printf("device not found\n");
 396         return;
 397     }
 398     if (eject_device(bs, 0) < 0)
 399         return;
 400     bdrv_open(bs, filename, 0);
 401     qemu_key_check(bs, filename);
 402 }
 403
 404 static void do_change_vnc(const char *target)
 405 {
 406     if (strcmp(target, "passwd") == 0 ||
 407         strcmp(target, "password") == 0) {
 408         char password[9];
 409         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 410         password[sizeof(password)-1] = '\0';
 411         if (vnc_display_password(NULL, password) < 0)
 412             term_printf("could not set VNC server password\n");
 413     } else {
 414         if (vnc_display_open(NULL, target) < 0)
 415             term_printf("could not start VNC server on %s\n", target);
 416     }
 417 }
 418
 419 static void do_change(const char *device, const char *target)
 420 {
 421     if (strcmp(device, "vnc") == 0) {
 422         do_change_vnc(target);
 423     } else {
 424         do_change_block(device, target);
 425     }
 426 }
 427
 428 static void do_screen_dump(const char *filename)
 429 {
 430     vga_hw_screen_dump(filename);
 431 }
 432
 433 static void do_logfile(const char *filename)
 434 {
 435     cpu_set_log_filename(filename);
 436 }
 437
 438 static void do_log(const char *items)
 439 {
 440     int mask;
 441
 442     if (!strcmp(items, "none")) {
 443         mask = 0;
 444     } else {
 445         mask = cpu_str_to_log_mask(items);
 446         if (!mask) {
 447             help_cmd("log");
 448             return;
 449         }
 450     }
 451     cpu_set_log(mask);
 452 }
 453
 454 static void do_stop(void)
 455 {
 456     vm_stop(EXCP_INTERRUPT);
 457 }
 458
 459 static void do_cont(void)
 460 {
 461     vm_start();
 462 }
 463
 464 #ifdef CONFIG_GDBSTUB
 465 static void do_gdbserver(const char *port)
 466 {
 467     if (!port)
 468         port = DEFAULT_GDBSTUB_PORT;
 469     if (gdbserver_start(port) < 0) {
 470         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 471     } else {
 472         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 473     }
 474 }
 475 #endif
 476
 477 static void term_printc(int c)
 478 {
 479     term_printf("'");
 480     switch(c) {
 481     case '\'':
 482         term_printf("\\'");
 483         break;
 484     case '\\':
 485         term_printf("\\\\");
 486         break;
 487     case '\n':
 488         term_printf("\\n");
 489         break;
 490     case '\r':
 491         term_printf("\\r");
 492         break;
 493     default:
 494         if (c >= 32 && c <= 126) {
 495             term_printf("%c", c);
 496         } else {
 497             term_printf("\\x%02x", c);
 498         }
 499         break;
 500     }
 501     term_printf("'");
 502 }
 503
 504 static void memory_dump(int count, int format, int wsize,
 505                         target_ulong addr, int is_physical)
 506 {
 507     CPUState *env;
 508     int nb_per_line, l, line_size, i, max_digits, len;
 509     uint8_t buf[16];
 510     uint64_t v;
 511
 512     if (format == 'i') {
 513         int flags;
 514         flags = 0;
 515         env = mon_get_cpu();
 516         if (!env && !is_physical)
 517             return;
 518 #ifdef TARGET_I386
 519         if (wsize == 2) {
 520             flags = 1;
 521         } else if (wsize == 4) {
 522             flags = 0;
 523         } else {
 524             /* as default we use the current CS size */
 525             flags = 0;
 526             if (env) {
 527 #ifdef TARGET_X86_64
 528                 if ((env->efer & MSR_EFER_LMA) &&
 529                     (env->segs[R_CS].flags & DESC_L_MASK))
 530                     flags = 2;
 531                 else
 532 #endif
 533                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 534                     flags = 1;
 535             }
 536         }
 537 #endif
 538         monitor_disas(env, addr, count, is_physical, flags);
 539         return;
 540     }
 541
 542     len = wsize * count;
 543     if (wsize == 1)
 544         line_size = 8;
 545     else
 546         line_size = 16;
 547     nb_per_line = line_size / wsize;
 548     max_digits = 0;
 549
 550     switch(format) {
 551     case 'o':
 552         max_digits = (wsize * 8 + 2) / 3;
 553         break;
 554     default:
 555     case 'x':
 556         max_digits = (wsize * 8) / 4;
 557         break;
 558     case 'u':
 559     case 'd':
 560         max_digits = (wsize * 8 * 10 + 32) / 33;
 561         break;
 562     case 'c':
 563         wsize = 1;
 564         break;
 565     }
 566
 567     while (len > 0) {
 568         term_printf(TARGET_FMT_lx ":", addr);
 569         l = len;
 570         if (l > line_size)
 571             l = line_size;
 572         if (is_physical) {
 573             cpu_physical_memory_rw(addr, buf, l, 0);
 574         } else {
 575             env = mon_get_cpu();
 576             if (!env)
 577                 break;
 578             cpu_memory_rw_debug(env, addr, buf, l, 0);
 579         }
 580         i = 0;
 581         while (i < l) {
 582             switch(wsize) {
 583             default:
 584             case 1:
 585                 v = ldub_raw(buf + i);
 586                 break;
 587             case 2:
 588                 v = lduw_raw(buf + i);
 589                 break;
 590             case 4:
 591                 v = (uint32_t)ldl_raw(buf + i);
 592                 break;
 593             case 8:
 594                 v = ldq_raw(buf + i);
 595                 break;
 596             }
 597             term_printf(" ");
 598             switch(format) {
 599             case 'o':
 600                 term_printf("%#*" PRIo64, max_digits, v);
 601                 break;
 602             case 'x':
 603                 term_printf("0x%0*" PRIx64, max_digits, v);
 604                 break;
 605             case 'u':
 606                 term_printf("%*" PRIu64, max_digits, v);
 607                 break;
 608             case 'd':
 609                 term_printf("%*" PRId64, max_digits, v);
 610                 break;
 611             case 'c':
 612                 term_printc(v);
 613                 break;
 614             }
 615             i += wsize;
 616         }
 617         term_printf("\n");
 618         addr += l;
 619         len -= l;
 620     }
 621 }
 622
 623 #if TARGET_LONG_BITS == 64
 624 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 625 #else
 626 #define GET_TLONG(h, l) (l)
 627 #endif
 628
 629 static void do_memory_dump(int count, int format, int size,
 630                            uint32_t addrh, uint32_t addrl)
 631 {
 632     target_long addr = GET_TLONG(addrh, addrl);
 633     memory_dump(count, format, size, addr, 0);
 634 }
 635
 636 static void do_physical_memory_dump(int count, int format, int size,
 637                                     uint32_t addrh, uint32_t addrl)
 638
 639 {
 640     target_long addr = GET_TLONG(addrh, addrl);
 641     memory_dump(count, format, size, addr, 1);
 642 }
 643
 644 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 645 {
 646     target_long val = GET_TLONG(valh, vall);
 647 #if TARGET_LONG_BITS == 32
 648     switch(format) {
 649     case 'o':
 650         term_printf("%#o", val);
 651         break;
 652     case 'x':
 653         term_printf("%#x", val);
 654         break;
 655     case 'u':
 656         term_printf("%u", val);
 657         break;
 658     default:
 659     case 'd':
 660         term_printf("%d", val);
 661         break;
 662     case 'c':
 663         term_printc(val);
 664         break;
 665     }
 666 #else
 667     switch(format) {
 668     case 'o':
 669         term_printf("%#" PRIo64, val);
 670         break;
 671     case 'x':
 672         term_printf("%#" PRIx64, val);
 673         break;
 674     case 'u':
 675         term_printf("%" PRIu64, val);
 676         break;
 677     default:
 678     case 'd':
 679         term_printf("%" PRId64, val);
 680         break;
 681     case 'c':
 682         term_printc(val);
 683         break;
 684     }
 685 #endif
 686     term_printf("\n");
 687 }
 688
 689 static void do_memory_save(unsigned int valh, unsigned int vall,
 690                            uint32_t size, const char *filename)
 691 {
 692     FILE *f;
 693     target_long addr = GET_TLONG(valh, vall);
 694     uint32_t l;
 695     CPUState *env;
 696     uint8_t buf[1024];
 697
 698     env = mon_get_cpu();
 699     if (!env)
 700         return;
 701
 702     f = fopen(filename, "wb");
 703     if (!f) {
 704         term_printf("could not open '%s'\n", filename);
 705         return;
 706     }
 707     while (size != 0) {
 708         l = sizeof(buf);
 709         if (l > size)
 710             l = size;
 711         cpu_memory_rw_debug(env, addr, buf, l, 0);
 712         fwrite(buf, 1, l, f);
 713         addr += l;
 714         size -= l;
 715     }
 716     fclose(f);
 717 }
 718
 719 static void do_sum(uint32_t start, uint32_t size)
 720 {
 721     uint32_t addr;
 722     uint8_t buf[1];
 723     uint16_t sum;
 724
 725     sum = 0;
 726     for(addr = start; addr < (start + size); addr++) {
 727         cpu_physical_memory_rw(addr, buf, 1, 0);
 728         /* BSD sum algorithm ('sum' Unix command) */
 729         sum = (sum >> 1) | (sum << 15);
 730         sum += buf[0];
 731     }
 732     term_printf("%05d\n", sum);
 733 }
 734
 735 typedef struct {
 736     int keycode;
 737     const char *name;
 738 } KeyDef;
 739
 740 static const KeyDef key_defs[] = {
 741     { 0x2a, "shift" },
 742     { 0x36, "shift_r" },
 743
 744     { 0x38, "alt" },
 745     { 0xb8, "alt_r" },
 746     { 0x1d, "ctrl" },
 747     { 0x9d, "ctrl_r" },
 748
 749     { 0xdd, "menu" },
 750
 751     { 0x01, "esc" },
 752
 753     { 0x02, "1" },
 754     { 0x03, "2" },
 755     { 0x04, "3" },
 756     { 0x05, "4" },
 757     { 0x06, "5" },
 758     { 0x07, "6" },
 759     { 0x08, "7" },
 760     { 0x09, "8" },
 761     { 0x0a, "9" },
 762     { 0x0b, "0" },
 763     { 0x0c, "minus" },
 764     { 0x0d, "equal" },
 765     { 0x0e, "backspace" },
 766
 767     { 0x0f, "tab" },
 768     { 0x10, "q" },
 769     { 0x11, "w" },
 770     { 0x12, "e" },
 771     { 0x13, "r" },
 772     { 0x14, "t" },
 773     { 0x15, "y" },
 774     { 0x16, "u" },
 775     { 0x17, "i" },
 776     { 0x18, "o" },
 777     { 0x19, "p" },
 778
 779     { 0x1c, "ret" },
 780
 781     { 0x1e, "a" },
 782     { 0x1f, "s" },
 783     { 0x20, "d" },
 784     { 0x21, "f" },
 785     { 0x22, "g" },
 786     { 0x23, "h" },
 787     { 0x24, "j" },
 788     { 0x25, "k" },
 789     { 0x26, "l" },
 790
 791     { 0x2c, "z" },
 792     { 0x2d, "x" },
 793     { 0x2e, "c" },
 794     { 0x2f, "v" },
 795     { 0x30, "b" },
 796     { 0x31, "n" },
 797     { 0x32, "m" },
 798
 799     { 0x39, "spc" },
 800     { 0x3a, "caps_lock" },
 801     { 0x3b, "f1" },
 802     { 0x3c, "f2" },
 803     { 0x3d, "f3" },
 804     { 0x3e, "f4" },
 805     { 0x3f, "f5" },
 806     { 0x40, "f6" },
 807     { 0x41, "f7" },
 808     { 0x42, "f8" },
 809     { 0x43, "f9" },
 810     { 0x44, "f10" },
 811     { 0x45, "num_lock" },
 812     { 0x46, "scroll_lock" },
 813
 814     { 0xb5, "kp_divide" },
 815     { 0x37, "kp_multiply" },
 816     { 0x4a, "kp_subtract" },
 817     { 0x4e, "kp_add" },
 818     { 0x9c, "kp_enter" },
 819     { 0x53, "kp_decimal" },
 820
 821     { 0x52, "kp_0" },
 822     { 0x4f, "kp_1" },
 823     { 0x50, "kp_2" },
 824     { 0x51, "kp_3" },
 825     { 0x4b, "kp_4" },
 826     { 0x4c, "kp_5" },
 827     { 0x4d, "kp_6" },
 828     { 0x47, "kp_7" },
 829     { 0x48, "kp_8" },
 830     { 0x49, "kp_9" },
 831
 832     { 0x56, "<" },
 833
 834     { 0x57, "f11" },
 835     { 0x58, "f12" },
 836
 837     { 0xb7, "print" },
 838
 839     { 0xc7, "home" },
 840     { 0xc9, "pgup" },
 841     { 0xd1, "pgdn" },
 842     { 0xcf, "end" },
 843
 844     { 0xcb, "left" },
 845     { 0xc8, "up" },
 846     { 0xd0, "down" },
 847     { 0xcd, "right" },
 848
 849     { 0xd2, "insert" },
 850     { 0xd3, "delete" },
 851     { 0, NULL },
 852 };
 853
 854 static int get_keycode(const char *key)
 855 {
 856     const KeyDef *p;
 857     char *endp;
 858     int ret;
 859
 860     for(p = key_defs; p->name != NULL; p++) {
 861         if (!strcmp(key, p->name))
 862             return p->keycode;
 863     }
 864     if (strstart(key, "0x", NULL)) {
 865         ret = strtoul(key, &endp, 0);
 866         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 867             return ret;
 868     }
 869     return -1;
 870 }
 871
 872 static void do_send_key(const char *string)
 873 {
 874     char keybuf[16], *q;
 875     uint8_t keycodes[16];
 876     const char *p;
 877     int nb_keycodes, keycode, i;
 878
 879     nb_keycodes = 0;
 880     p = string;
 881     while (*p != '\0') {
 882         q = keybuf;
 883         while (*p != '\0' && *p != '-') {
 884             if ((q - keybuf) < sizeof(keybuf) - 1) {
 885                 *q++ = *p;
 886             }
 887             p++;
 888         }
 889         *q = '\0';
 890         keycode = get_keycode(keybuf);
 891         if (keycode < 0) {
 892             term_printf("unknown key: '%s'\n", keybuf);
 893             return;
 894         }
 895         keycodes[nb_keycodes++] = keycode;
 896         if (*p == '\0')
 897             break;
 898         p++;
 899     }
 900     /* key down events */
 901     for(i = 0; i < nb_keycodes; i++) {
 902         keycode = keycodes[i];
 903         if (keycode & 0x80)
 904             kbd_put_keycode(0xe0);
 905         kbd_put_keycode(keycode & 0x7f);
 906     }
 907     /* key up events */
 908     for(i = nb_keycodes - 1; i >= 0; i--) {
 909         keycode = keycodes[i];
 910         if (keycode & 0x80)
 911             kbd_put_keycode(0xe0);
 912         kbd_put_keycode(keycode | 0x80);
 913     }
 914 }
 915
 916 static int mouse_button_state;
 917
 918 static void do_mouse_move(const char *dx_str, const char *dy_str,
 919                           const char *dz_str)
 920 {
 921     int dx, dy, dz;
 922     dx = strtol(dx_str, NULL, 0);
 923     dy = strtol(dy_str, NULL, 0);
 924     dz = 0;
 925     if (dz_str)
 926         dz = strtol(dz_str, NULL, 0);
 927     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 928 }
 929
 930 static void do_mouse_button(int button_state)
 931 {
 932     mouse_button_state = button_state;
 933     kbd_mouse_event(0, 0, 0, mouse_button_state);
 934 }
 935
 936 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 937 {
 938     uint32_t val;
 939     int suffix;
 940
 941     if (has_index) {
 942         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 943         addr++;
 944     }
 945     addr &= 0xffff;
 946
 947     switch(size) {
 948     default:
 949     case 1:
 950         val = cpu_inb(NULL, addr);
 951         suffix = 'b';
 952         break;
 953     case 2:
 954         val = cpu_inw(NULL, addr);
 955         suffix = 'w';
 956         break;
 957     case 4:
 958         val = cpu_inl(NULL, addr);
 959         suffix = 'l';
 960         break;
 961     }
 962     term_printf("port%c[0x%04x] = %#0*x\n",
 963                 suffix, addr, size * 2, val);
 964 }
 965
 966 static void do_system_reset(void)
 967 {
 968     qemu_system_reset_request();
 969 }
 970
 971 static void do_system_powerdown(void)
 972 {
 973     qemu_system_powerdown_request();
 974 }
 975
 976 #if defined(TARGET_I386)
 977 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 978 {
 979     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 980                 addr,
 981                 pte & mask,
 982                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 983                 pte & PG_PSE_MASK ? 'P' : '-',
 984                 pte & PG_DIRTY_MASK ? 'D' : '-',
 985                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 986                 pte & PG_PCD_MASK ? 'C' : '-',
 987                 pte & PG_PWT_MASK ? 'T' : '-',
 988                 pte & PG_USER_MASK ? 'U' : '-',
 989                 pte & PG_RW_MASK ? 'W' : '-');
 990 }
 991
 992 static void tlb_info(void)
 993 {
 994     CPUState *env;
 995     int l1, l2;
 996     uint32_t pgd, pde, pte;
 997
 998     env = mon_get_cpu();
 999     if (!env)
1000         return;
1001
1002     if (!(env->cr[0] & CR0_PG_MASK)) {
1003         term_printf("PG disabled\n");
1004         return;
1005     }
1006     pgd = env->cr[3] & ~0xfff;
1007     for(l1 = 0; l1 < 1024; l1++) {
1008         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1009         pde = le32_to_cpu(pde);
1010         if (pde & PG_PRESENT_MASK) {
1011             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1012                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1013             } else {
1014                 for(l2 = 0; l2 < 1024; l2++) {
1015                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1016                                              (uint8_t *)&pte, 4);
1017                     pte = le32_to_cpu(pte);
1018                     if (pte & PG_PRESENT_MASK) {
1019                         print_pte((l1 << 22) + (l2 << 12),
1020                                   pte & ~PG_PSE_MASK,
1021                                   ~0xfff);
1022                     }
1023                 }
1024             }
1025         }
1026     }
1027 }
1028
1029 static void mem_print(uint32_t *pstart, int *plast_prot,
1030                       uint32_t end, int prot)
1031 {
1032     int prot1;
1033     prot1 = *plast_prot;
1034     if (prot != prot1) {
1035         if (*pstart != -1) {
1036             term_printf("%08x-%08x %08x %c%c%c\n",
1037                         *pstart, end, end - *pstart,
1038                         prot1 & PG_USER_MASK ? 'u' : '-',
1039                         'r',
1040                         prot1 & PG_RW_MASK ? 'w' : '-');
1041         }
1042         if (prot != 0)
1043             *pstart = end;
1044         else
1045             *pstart = -1;
1046         *plast_prot = prot;
1047     }
1048 }
1049
1050 static void mem_info(void)
1051 {
1052     CPUState *env;
1053     int l1, l2, prot, last_prot;
1054     uint32_t pgd, pde, pte, start, end;
1055
1056     env = mon_get_cpu();
1057     if (!env)
1058         return;
1059
1060     if (!(env->cr[0] & CR0_PG_MASK)) {
1061         term_printf("PG disabled\n");
1062         return;
1063     }
1064     pgd = env->cr[3] & ~0xfff;
1065     last_prot = 0;
1066     start = -1;
1067     for(l1 = 0; l1 < 1024; l1++) {
1068         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1069         pde = le32_to_cpu(pde);
1070         end = l1 << 22;
1071         if (pde & PG_PRESENT_MASK) {
1072             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1073                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1074                 mem_print(&start, &last_prot, end, prot);
1075             } else {
1076                 for(l2 = 0; l2 < 1024; l2++) {
1077                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1078                                              (uint8_t *)&pte, 4);
1079                     pte = le32_to_cpu(pte);
1080                     end = (l1 << 22) + (l2 << 12);
1081                     if (pte & PG_PRESENT_MASK) {
1082                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1083                     } else {
1084                         prot = 0;
1085                     }
1086                     mem_print(&start, &last_prot, end, prot);
1087                 }
1088             }
1089         } else {
1090             prot = 0;
1091             mem_print(&start, &last_prot, end, prot);
1092         }
1093     }
1094 }
1095 #endif
1096
1097 static void do_info_kqemu(void)
1098 {
1099 #ifdef USE_KQEMU
1100     CPUState *env;
1101     int val;
1102     val = 0;
1103     env = mon_get_cpu();
1104     if (!env) {
1105         term_printf("No cpu initialized yet");
1106         return;
1107     }
1108     val = env->kqemu_enabled;
1109     term_printf("kqemu support: ");
1110     switch(val) {
1111     default:
1112     case 0:
1113         term_printf("disabled\n");
1114         break;
1115     case 1:
1116         term_printf("enabled for user code\n");
1117         break;
1118     case 2:
1119         term_printf("enabled for user and kernel code\n");
1120         break;
1121     }
1122 #else
1123     term_printf("kqemu support: not compiled\n");
1124 #endif
1125 }
1126
1127 #ifdef CONFIG_PROFILER
1128
1129 int64_t kqemu_time;
1130 int64_t qemu_time;
1131 int64_t kqemu_exec_count;
1132 int64_t dev_time;
1133 int64_t kqemu_ret_int_count;
1134 int64_t kqemu_ret_excp_count;
1135 int64_t kqemu_ret_intr_count;
1136
1137 static void do_info_profile(void)
1138 {
1139     int64_t total;
1140     total = qemu_time;
1141     if (total == 0)
1142         total = 1;
1143     term_printf("async time  %" PRId64 " (%0.3f)\n",
1144                 dev_time, dev_time / (double)ticks_per_sec);
1145     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1146                 qemu_time, qemu_time / (double)ticks_per_sec);
1147     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1148                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1149                 kqemu_time / (double)total * 100.0,
1150                 kqemu_exec_count,
1151                 kqemu_ret_int_count,
1152                 kqemu_ret_excp_count,
1153                 kqemu_ret_intr_count);
1154     qemu_time = 0;
1155     kqemu_time = 0;
1156     kqemu_exec_count = 0;
1157     dev_time = 0;
1158     kqemu_ret_int_count = 0;
1159     kqemu_ret_excp_count = 0;
1160     kqemu_ret_intr_count = 0;
1161 #ifdef USE_KQEMU
1162     kqemu_record_dump();
1163 #endif
1164 }
1165 #else
1166 static void do_info_profile(void)
1167 {
1168     term_printf("Internal profiler not compiled\n");
1169 }
1170 #endif
1171
1172 /* Capture support */
1173 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1174
1175 static void do_info_capture (void)
1176 {
1177     int i;
1178     CaptureState *s;
1179
1180     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1181         term_printf ("[%d]: ", i);
1182         s->ops.info (s->opaque);
1183     }
1184 }
1185
1186 static void do_stop_capture (int n)
1187 {
1188     int i;
1189     CaptureState *s;
1190
1191     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1192         if (i == n) {
1193             s->ops.destroy (s->opaque);
1194             LIST_REMOVE (s, entries);
1195             qemu_free (s);
1196             return;
1197         }
1198     }
1199 }
1200
1201 #ifdef HAS_AUDIO
1202 int wav_start_capture (CaptureState *s, const char *path, int freq,
1203                        int bits, int nchannels);
1204
1205 static void do_wav_capture (const char *path,
1206                             int has_freq, int freq,
1207                             int has_bits, int bits,
1208                             int has_channels, int nchannels)
1209 {
1210     CaptureState *s;
1211
1212     s = qemu_mallocz (sizeof (*s));
1213     if (!s) {
1214         term_printf ("Not enough memory to add wave capture\n");
1215         return;
1216     }
1217
1218     freq = has_freq ? freq : 44100;
1219     bits = has_bits ? bits : 16;
1220     nchannels = has_channels ? nchannels : 2;
1221
1222     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1223         term_printf ("Faied to add wave capture\n");
1224         qemu_free (s);
1225     }
1226     LIST_INSERT_HEAD (&capture_head, s, entries);
1227 }
1228 #endif
1229
1230 static term_cmd_t term_cmds[] = {
1231     { "help|?", "s?", do_help,
1232       "[cmd]", "show the help" },
1233     { "commit", "s", do_commit,
1234       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1235     { "info", "s?", do_info,
1236       "subcommand", "show various information about the system state" },
1237     { "q|quit", "", do_quit,
1238       "", "quit the emulator" },
1239     { "eject", "-fB", do_eject,
1240       "[-f] device", "eject a removable medium (use -f to force it)" },
1241     { "change", "BF", do_change,
1242       "device filename", "change a removable medium" },
1243     { "screendump", "F", do_screen_dump,
1244       "filename", "save screen into PPM image 'filename'" },
1245     { "logfile", "s", do_logfile,
1246       "filename", "output logs to 'filename'" },
1247     { "log", "s", do_log,
1248       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1249     { "savevm", "s?", do_savevm,
1250       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1251     { "loadvm", "s", do_loadvm,
1252       "tag|id", "restore a VM snapshot from its tag or id" },
1253     { "delvm", "s", do_delvm,
1254       "tag|id", "delete a VM snapshot from its tag or id" },
1255     { "stop", "", do_stop,
1256       "", "stop emulation", },
1257     { "c|cont", "", do_cont,
1258       "", "resume emulation", },
1259 #ifdef CONFIG_GDBSTUB
1260     { "gdbserver", "s?", do_gdbserver,
1261       "[port]", "start gdbserver session (default port=1234)", },
1262 #endif
1263     { "x", "/l", do_memory_dump,
1264       "/fmt addr", "virtual memory dump starting at 'addr'", },
1265     { "xp", "/l", do_physical_memory_dump,
1266       "/fmt addr", "physical memory dump starting at 'addr'", },
1267     { "p|print", "/l", do_print,
1268       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1269     { "i", "/ii.", do_ioport_read,
1270       "/fmt addr", "I/O port read" },
1271
1272     { "sendkey", "s", do_send_key,
1273       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1274     { "system_reset", "", do_system_reset,
1275       "", "reset the system" },
1276     { "system_powerdown", "", do_system_powerdown,
1277       "", "send system power down event" },
1278     { "sum", "ii", do_sum,
1279       "addr size", "compute the checksum of a memory region" },
1280     { "usb_add", "s", do_usb_add,
1281       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1282     { "usb_del", "s", do_usb_del,
1283       "device", "remove USB device 'bus.addr'" },
1284     { "cpu", "i", do_cpu_set,
1285       "index", "set the default CPU" },
1286     { "mouse_move", "sss?", do_mouse_move,
1287       "dx dy [dz]", "send mouse move events" },
1288     { "mouse_button", "i", do_mouse_button,
1289       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1290     { "mouse_set", "i", do_mouse_set,
1291       "index", "set which mouse device receives events" },
1292 #ifdef HAS_AUDIO
1293     { "wavcapture", "si?i?i?", do_wav_capture,
1294       "path [frequency bits channels]",
1295       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1296 #endif
1297      { "stopcapture", "i", do_stop_capture,
1298        "capture index", "stop capture" },
1299     { "memsave", "lis", do_memory_save,
1300       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1301     { NULL, NULL, },
1302 };
1303
1304 static term_cmd_t info_cmds[] = {
1305     { "version", "", do_info_version,
1306       "", "show the version of qemu" },
1307     { "network", "", do_info_network,
1308       "", "show the network state" },
1309     { "block", "", do_info_block,
1310       "", "show the block devices" },
1311     { "registers", "", do_info_registers,
1312       "", "show the cpu registers" },
1313     { "cpus", "", do_info_cpus,
1314       "", "show infos for each CPU" },
1315     { "history", "", do_info_history,
1316       "", "show the command line history", },
1317     { "irq", "", irq_info,
1318       "", "show the interrupts statistics (if available)", },
1319     { "pic", "", pic_info,
1320       "", "show i8259 (PIC) state", },
1321     { "pci", "", pci_info,
1322       "", "show PCI info", },
1323 #if defined(TARGET_I386)
1324     { "tlb", "", tlb_info,
1325       "", "show virtual to physical memory mappings", },
1326     { "mem", "", mem_info,
1327       "", "show the active virtual memory mappings", },
1328 #endif
1329     { "jit", "", do_info_jit,
1330       "", "show dynamic compiler info", },
1331     { "kqemu", "", do_info_kqemu,
1332       "", "show kqemu information", },
1333     { "usb", "", usb_info,
1334       "", "show guest USB devices", },
1335     { "usbhost", "", usb_host_info,
1336       "", "show host USB devices", },
1337     { "profile", "", do_info_profile,
1338       "", "show profiling information", },
1339     { "capture", "", do_info_capture,
1340       "", "show capture information" },
1341     { "snapshots", "", do_info_snapshots,
1342       "", "show the currently saved VM snapshots" },
1343     { "pcmcia", "", pcmcia_info,
1344       "", "show guest PCMCIA status" },
1345     { "mice", "", do_info_mice,
1346       "", "show which guest mouse is receiving events" },
1347     { "vnc", "", do_info_vnc,
1348       "", "show the vnc server status"},
1349     { "name", "", do_info_name,
1350       "", "show the current VM name" },
1351 #if defined(TARGET_PPC)
1352     { "cpustats", "", do_info_cpu_stats,
1353       "", "show CPU statistics", },
1354 #endif
1355     { NULL, NULL, },
1356 };
1357
1358 /*******************************************************************/
1359
1360 static const char *pch;
1361 static jmp_buf expr_env;
1362
1363 #define MD_TLONG 0
1364 #define MD_I32   1
1365
1366 typedef struct MonitorDef {
1367     const char *name;
1368     int offset;
1369     target_long (*get_value)(struct MonitorDef *md, int val);
1370     int type;
1371 } MonitorDef;
1372
1373 #if defined(TARGET_I386)
1374 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1375 {
1376     CPUState *env = mon_get_cpu();
1377     if (!env)
1378         return 0;
1379     return env->eip + env->segs[R_CS].base;
1380 }
1381 #endif
1382
1383 #if defined(TARGET_PPC)
1384 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1385 {
1386     CPUState *env = mon_get_cpu();
1387     unsigned int u;
1388     int i;
1389
1390     if (!env)
1391         return 0;
1392
1393     u = 0;
1394     for (i = 0; i < 8; i++)
1395         u |= env->crf[i] << (32 - (4 * i));
1396
1397     return u;
1398 }
1399
1400 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1401 {
1402     CPUState *env = mon_get_cpu();
1403     if (!env)
1404         return 0;
1405     return (env->msr[MSR_POW] << MSR_POW) |
1406         (env->msr[MSR_ILE] << MSR_ILE) |
1407         (env->msr[MSR_EE] << MSR_EE) |
1408         (env->msr[MSR_PR] << MSR_PR) |
1409         (env->msr[MSR_FP] << MSR_FP) |
1410         (env->msr[MSR_ME] << MSR_ME) |
1411         (env->msr[MSR_FE0] << MSR_FE0) |
1412         (env->msr[MSR_SE] << MSR_SE) |
1413         (env->msr[MSR_BE] << MSR_BE) |
1414         (env->msr[MSR_FE1] << MSR_FE1) |
1415         (env->msr[MSR_IP] << MSR_IP) |
1416         (env->msr[MSR_IR] << MSR_IR) |
1417         (env->msr[MSR_DR] << MSR_DR) |
1418         (env->msr[MSR_RI] << MSR_RI) |
1419         (env->msr[MSR_LE] << MSR_LE);
1420 }
1421
1422 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1423 {
1424     CPUState *env = mon_get_cpu();
1425     if (!env)
1426         return 0;
1427     return (env->xer[XER_SO] << XER_SO) |
1428         (env->xer[XER_OV] << XER_OV) |
1429         (env->xer[XER_CA] << XER_CA) |
1430         (env->xer[XER_BC] << XER_BC);
1431 }
1432
1433 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1434 {
1435     CPUState *env = mon_get_cpu();
1436     if (!env)
1437         return 0;
1438     return cpu_ppc_load_decr(env);
1439 }
1440
1441 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1442 {
1443     CPUState *env = mon_get_cpu();
1444     if (!env)
1445         return 0;
1446     return cpu_ppc_load_tbu(env);
1447 }
1448
1449 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1450 {
1451     CPUState *env = mon_get_cpu();
1452     if (!env)
1453         return 0;
1454     return cpu_ppc_load_tbl(env);
1455 }
1456 #endif
1457
1458 #if defined(TARGET_SPARC)
1459 #ifndef TARGET_SPARC64
1460 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1461 {
1462     CPUState *env = mon_get_cpu();
1463     if (!env)
1464         return 0;
1465     return GET_PSR(env);
1466 }
1467 #endif
1468
1469 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1470 {
1471     CPUState *env = mon_get_cpu();
1472     if (!env)
1473         return 0;
1474     return env->regwptr[val];
1475 }
1476 #endif
1477
1478 static MonitorDef monitor_defs[] = {
1479 #ifdef TARGET_I386
1480
1481 #define SEG(name, seg) \
1482     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1483     { name ".base", offsetof(CPUState, segs[seg].base) },\
1484     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1485
1486     { "eax", offsetof(CPUState, regs[0]) },
1487     { "ecx", offsetof(CPUState, regs[1]) },
1488     { "edx", offsetof(CPUState, regs[2]) },
1489     { "ebx", offsetof(CPUState, regs[3]) },
1490     { "esp|sp", offsetof(CPUState, regs[4]) },
1491     { "ebp|fp", offsetof(CPUState, regs[5]) },
1492     { "esi", offsetof(CPUState, regs[6]) },
1493     { "edi", offsetof(CPUState, regs[7]) },
1494 #ifdef TARGET_X86_64
1495     { "r8", offsetof(CPUState, regs[8]) },
1496     { "r9", offsetof(CPUState, regs[9]) },
1497     { "r10", offsetof(CPUState, regs[10]) },
1498     { "r11", offsetof(CPUState, regs[11]) },
1499     { "r12", offsetof(CPUState, regs[12]) },
1500     { "r13", offsetof(CPUState, regs[13]) },
1501     { "r14", offsetof(CPUState, regs[14]) },
1502     { "r15", offsetof(CPUState, regs[15]) },
1503 #endif
1504     { "eflags", offsetof(CPUState, eflags) },
1505     { "eip", offsetof(CPUState, eip) },
1506     SEG("cs", R_CS)
1507     SEG("ds", R_DS)
1508     SEG("es", R_ES)
1509     SEG("ss", R_SS)
1510     SEG("fs", R_FS)
1511     SEG("gs", R_GS)
1512     { "pc", 0, monitor_get_pc, },
1513 #elif defined(TARGET_PPC)
1514     { "r0", offsetof(CPUState, gpr[0]) },
1515     { "r1", offsetof(CPUState, gpr[1]) },
1516     { "r2", offsetof(CPUState, gpr[2]) },
1517     { "r3", offsetof(CPUState, gpr[3]) },
1518     { "r4", offsetof(CPUState, gpr[4]) },
1519     { "r5", offsetof(CPUState, gpr[5]) },
1520     { "r6", offsetof(CPUState, gpr[6]) },
1521     { "r7", offsetof(CPUState, gpr[7]) },
1522     { "r8", offsetof(CPUState, gpr[8]) },
1523     { "r9", offsetof(CPUState, gpr[9]) },
1524     { "r10", offsetof(CPUState, gpr[10]) },
1525     { "r11", offsetof(CPUState, gpr[11]) },
1526     { "r12", offsetof(CPUState, gpr[12]) },
1527     { "r13", offsetof(CPUState, gpr[13]) },
1528     { "r14", offsetof(CPUState, gpr[14]) },
1529     { "r15", offsetof(CPUState, gpr[15]) },
1530     { "r16", offsetof(CPUState, gpr[16]) },
1531     { "r17", offsetof(CPUState, gpr[17]) },
1532     { "r18", offsetof(CPUState, gpr[18]) },
1533     { "r19", offsetof(CPUState, gpr[19]) },
1534     { "r20", offsetof(CPUState, gpr[20]) },
1535     { "r21", offsetof(CPUState, gpr[21]) },
1536     { "r22", offsetof(CPUState, gpr[22]) },
1537     { "r23", offsetof(CPUState, gpr[23]) },
1538     { "r24", offsetof(CPUState, gpr[24]) },
1539     { "r25", offsetof(CPUState, gpr[25]) },
1540     { "r26", offsetof(CPUState, gpr[26]) },
1541     { "r27", offsetof(CPUState, gpr[27]) },
1542     { "r28", offsetof(CPUState, gpr[28]) },
1543     { "r29", offsetof(CPUState, gpr[29]) },
1544     { "r30", offsetof(CPUState, gpr[30]) },
1545     { "r31", offsetof(CPUState, gpr[31]) },
1546     { "nip|pc", offsetof(CPUState, nip) },
1547     { "lr", offsetof(CPUState, lr) },
1548     { "ctr", offsetof(CPUState, ctr) },
1549     { "decr", 0, &monitor_get_decr, },
1550     { "ccr", 0, &monitor_get_ccr, },
1551     { "msr", 0, &monitor_get_msr, },
1552     { "xer", 0, &monitor_get_xer, },
1553     { "tbu", 0, &monitor_get_tbu, },
1554     { "tbl", 0, &monitor_get_tbl, },
1555     { "sdr1", offsetof(CPUState, sdr1) },
1556     { "sr0", offsetof(CPUState, sr[0]) },
1557     { "sr1", offsetof(CPUState, sr[1]) },
1558     { "sr2", offsetof(CPUState, sr[2]) },
1559     { "sr3", offsetof(CPUState, sr[3]) },
1560     { "sr4", offsetof(CPUState, sr[4]) },
1561     { "sr5", offsetof(CPUState, sr[5]) },
1562     { "sr6", offsetof(CPUState, sr[6]) },
1563     { "sr7", offsetof(CPUState, sr[7]) },
1564     { "sr8", offsetof(CPUState, sr[8]) },
1565     { "sr9", offsetof(CPUState, sr[9]) },
1566     { "sr10", offsetof(CPUState, sr[10]) },
1567     { "sr11", offsetof(CPUState, sr[11]) },
1568     { "sr12", offsetof(CPUState, sr[12]) },
1569     { "sr13", offsetof(CPUState, sr[13]) },
1570     { "sr14", offsetof(CPUState, sr[14]) },
1571     { "sr15", offsetof(CPUState, sr[15]) },
1572     /* Too lazy to put BATs and SPRs ... */
1573 #elif defined(TARGET_SPARC)
1574     { "g0", offsetof(CPUState, gregs[0]) },
1575     { "g1", offsetof(CPUState, gregs[1]) },
1576     { "g2", offsetof(CPUState, gregs[2]) },
1577     { "g3", offsetof(CPUState, gregs[3]) },
1578     { "g4", offsetof(CPUState, gregs[4]) },
1579     { "g5", offsetof(CPUState, gregs[5]) },
1580     { "g6", offsetof(CPUState, gregs[6]) },
1581     { "g7", offsetof(CPUState, gregs[7]) },
1582     { "o0", 0, monitor_get_reg },
1583     { "o1", 1, monitor_get_reg },
1584     { "o2", 2, monitor_get_reg },
1585     { "o3", 3, monitor_get_reg },
1586     { "o4", 4, monitor_get_reg },
1587     { "o5", 5, monitor_get_reg },
1588     { "o6", 6, monitor_get_reg },
1589     { "o7", 7, monitor_get_reg },
1590     { "l0", 8, monitor_get_reg },
1591     { "l1", 9, monitor_get_reg },
1592     { "l2", 10, monitor_get_reg },
1593     { "l3", 11, monitor_get_reg },
1594     { "l4", 12, monitor_get_reg },
1595     { "l5", 13, monitor_get_reg },
1596     { "l6", 14, monitor_get_reg },
1597     { "l7", 15, monitor_get_reg },
1598     { "i0", 16, monitor_get_reg },
1599     { "i1", 17, monitor_get_reg },
1600     { "i2", 18, monitor_get_reg },
1601     { "i3", 19, monitor_get_reg },
1602     { "i4", 20, monitor_get_reg },
1603     { "i5", 21, monitor_get_reg },
1604     { "i6", 22, monitor_get_reg },
1605     { "i7", 23, monitor_get_reg },
1606     { "pc", offsetof(CPUState, pc) },
1607     { "npc", offsetof(CPUState, npc) },
1608     { "y", offsetof(CPUState, y) },
1609 #ifndef TARGET_SPARC64
1610     { "psr", 0, &monitor_get_psr, },
1611     { "wim", offsetof(CPUState, wim) },
1612 #endif
1613     { "tbr", offsetof(CPUState, tbr) },
1614     { "fsr", offsetof(CPUState, fsr) },
1615     { "f0", offsetof(CPUState, fpr[0]) },
1616     { "f1", offsetof(CPUState, fpr[1]) },
1617     { "f2", offsetof(CPUState, fpr[2]) },
1618     { "f3", offsetof(CPUState, fpr[3]) },
1619     { "f4", offsetof(CPUState, fpr[4]) },
1620     { "f5", offsetof(CPUState, fpr[5]) },
1621     { "f6", offsetof(CPUState, fpr[6]) },
1622     { "f7", offsetof(CPUState, fpr[7]) },
1623     { "f8", offsetof(CPUState, fpr[8]) },
1624     { "f9", offsetof(CPUState, fpr[9]) },
1625     { "f10", offsetof(CPUState, fpr[10]) },
1626     { "f11", offsetof(CPUState, fpr[11]) },
1627     { "f12", offsetof(CPUState, fpr[12]) },
1628     { "f13", offsetof(CPUState, fpr[13]) },
1629     { "f14", offsetof(CPUState, fpr[14]) },
1630     { "f15", offsetof(CPUState, fpr[15]) },
1631     { "f16", offsetof(CPUState, fpr[16]) },
1632     { "f17", offsetof(CPUState, fpr[17]) },
1633     { "f18", offsetof(CPUState, fpr[18]) },
1634     { "f19", offsetof(CPUState, fpr[19]) },
1635     { "f20", offsetof(CPUState, fpr[20]) },
1636     { "f21", offsetof(CPUState, fpr[21]) },
1637     { "f22", offsetof(CPUState, fpr[22]) },
1638     { "f23", offsetof(CPUState, fpr[23]) },
1639     { "f24", offsetof(CPUState, fpr[24]) },
1640     { "f25", offsetof(CPUState, fpr[25]) },
1641     { "f26", offsetof(CPUState, fpr[26]) },
1642     { "f27", offsetof(CPUState, fpr[27]) },
1643     { "f28", offsetof(CPUState, fpr[28]) },
1644     { "f29", offsetof(CPUState, fpr[29]) },
1645     { "f30", offsetof(CPUState, fpr[30]) },
1646     { "f31", offsetof(CPUState, fpr[31]) },
1647 #ifdef TARGET_SPARC64
1648     { "f32", offsetof(CPUState, fpr[32]) },
1649     { "f34", offsetof(CPUState, fpr[34]) },
1650     { "f36", offsetof(CPUState, fpr[36]) },
1651     { "f38", offsetof(CPUState, fpr[38]) },
1652     { "f40", offsetof(CPUState, fpr[40]) },
1653     { "f42", offsetof(CPUState, fpr[42]) },
1654     { "f44", offsetof(CPUState, fpr[44]) },
1655     { "f46", offsetof(CPUState, fpr[46]) },
1656     { "f48", offsetof(CPUState, fpr[48]) },
1657     { "f50", offsetof(CPUState, fpr[50]) },
1658     { "f52", offsetof(CPUState, fpr[52]) },
1659     { "f54", offsetof(CPUState, fpr[54]) },
1660     { "f56", offsetof(CPUState, fpr[56]) },
1661     { "f58", offsetof(CPUState, fpr[58]) },
1662     { "f60", offsetof(CPUState, fpr[60]) },
1663     { "f62", offsetof(CPUState, fpr[62]) },
1664     { "asi", offsetof(CPUState, asi) },
1665     { "pstate", offsetof(CPUState, pstate) },
1666     { "cansave", offsetof(CPUState, cansave) },
1667     { "canrestore", offsetof(CPUState, canrestore) },
1668     { "otherwin", offsetof(CPUState, otherwin) },
1669     { "wstate", offsetof(CPUState, wstate) },
1670     { "cleanwin", offsetof(CPUState, cleanwin) },
1671     { "fprs", offsetof(CPUState, fprs) },
1672 #endif
1673 #endif
1674     { NULL },
1675 };
1676
1677 static void expr_error(const char *fmt)
1678 {
1679     term_printf(fmt);
1680     term_printf("\n");
1681     longjmp(expr_env, 1);
1682 }
1683
1684 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1685 static int get_monitor_def(target_long *pval, const char *name)
1686 {
1687     MonitorDef *md;
1688     void *ptr;
1689
1690     for(md = monitor_defs; md->name != NULL; md++) {
1691         if (compare_cmd(name, md->name)) {
1692             if (md->get_value) {
1693                 *pval = md->get_value(md, md->offset);
1694             } else {
1695                 CPUState *env = mon_get_cpu();
1696                 if (!env)
1697                     return -2;
1698                 ptr = (uint8_t *)env + md->offset;
1699                 switch(md->type) {
1700                 case MD_I32:
1701                     *pval = *(int32_t *)ptr;
1702                     break;
1703                 case MD_TLONG:
1704                     *pval = *(target_long *)ptr;
1705                     break;
1706                 default:
1707                     *pval = 0;
1708                     break;
1709                 }
1710             }
1711             return 0;
1712         }
1713     }
1714     return -1;
1715 }
1716
1717 static void next(void)
1718 {
1719     if (pch != '\0') {
1720         pch++;
1721         while (isspace(*pch))
1722             pch++;
1723     }
1724 }
1725
1726 static target_long expr_sum(void);
1727
1728 static target_long expr_unary(void)
1729 {
1730     target_long n;
1731     char *p;
1732     int ret;
1733
1734     switch(*pch) {
1735     case '+':
1736         next();
1737         n = expr_unary();
1738         break;
1739     case '-':
1740         next();
1741         n = -expr_unary();
1742         break;
1743     case '~':
1744         next();
1745         n = ~expr_unary();
1746         break;
1747     case '(':
1748         next();
1749         n = expr_sum();
1750         if (*pch != ')') {
1751             expr_error("')' expected");
1752         }
1753         next();
1754         break;
1755     case '\'':
1756         pch++;
1757         if (*pch == '\0')
1758             expr_error("character constant expected");
1759         n = *pch;
1760         pch++;
1761         if (*pch != '\'')
1762             expr_error("missing terminating \' character");
1763         next();
1764         break;
1765     case '$':
1766         {
1767             char buf[128], *q;
1768
1769             pch++;
1770             q = buf;
1771             while ((*pch >= 'a' && *pch <= 'z') ||
1772                    (*pch >= 'A' && *pch <= 'Z') ||
1773                    (*pch >= '0' && *pch <= '9') ||
1774                    *pch == '_' || *pch == '.') {
1775                 if ((q - buf) < sizeof(buf) - 1)
1776                     *q++ = *pch;
1777                 pch++;
1778             }
1779             while (isspace(*pch))
1780                 pch++;
1781             *q = 0;
1782             ret = get_monitor_def(&n, buf);
1783             if (ret == -1)
1784                 expr_error("unknown register");
1785             else if (ret == -2)
1786                 expr_error("no cpu defined");
1787         }
1788         break;
1789     case '\0':
1790         expr_error("unexpected end of expression");
1791         n = 0;
1792         break;
1793     default:
1794 #if TARGET_LONG_BITS == 64
1795         n = strtoull(pch, &p, 0);
1796 #else
1797         n = strtoul(pch, &p, 0);
1798 #endif
1799         if (pch == p) {
1800             expr_error("invalid char in expression");
1801         }
1802         pch = p;
1803         while (isspace(*pch))
1804             pch++;
1805         break;
1806     }
1807     return n;
1808 }
1809
1810
1811 static target_long expr_prod(void)
1812 {
1813     target_long val, val2;
1814     int op;
1815
1816     val = expr_unary();
1817     for(;;) {
1818         op = *pch;
1819         if (op != '*' && op != '/' && op != '%')
1820             break;
1821         next();
1822         val2 = expr_unary();
1823         switch(op) {
1824         default:
1825         case '*':
1826             val *= val2;
1827             break;
1828         case '/':
1829         case '%':
1830             if (val2 == 0)
1831                 expr_error("division by zero");
1832             if (op == '/')
1833                 val /= val2;
1834             else
1835                 val %= val2;
1836             break;
1837         }
1838     }
1839     return val;
1840 }
1841
1842 static target_long expr_logic(void)
1843 {
1844     target_long val, val2;
1845     int op;
1846
1847     val = expr_prod();
1848     for(;;) {
1849         op = *pch;
1850         if (op != '&' && op != '|' && op != '^')
1851             break;
1852         next();
1853         val2 = expr_prod();
1854         switch(op) {
1855         default:
1856         case '&':
1857             val &= val2;
1858             break;
1859         case '|':
1860             val |= val2;
1861             break;
1862         case '^':
1863             val ^= val2;
1864             break;
1865         }
1866     }
1867     return val;
1868 }
1869
1870 static target_long expr_sum(void)
1871 {
1872     target_long val, val2;
1873     int op;
1874
1875     val = expr_logic();
1876     for(;;) {
1877         op = *pch;
1878         if (op != '+' && op != '-')
1879             break;
1880         next();
1881         val2 = expr_logic();
1882         if (op == '+')
1883             val += val2;
1884         else
1885             val -= val2;
1886     }
1887     return val;
1888 }
1889
1890 static int get_expr(target_long *pval, const char **pp)
1891 {
1892     pch = *pp;
1893     if (setjmp(expr_env)) {
1894         *pp = pch;
1895         return -1;
1896     }
1897     while (isspace(*pch))
1898         pch++;
1899     *pval = expr_sum();
1900     *pp = pch;
1901     return 0;
1902 }
1903
1904 static int get_str(char *buf, int buf_size, const char **pp)
1905 {
1906     const char *p;
1907     char *q;
1908     int c;
1909
1910     q = buf;
1911     p = *pp;
1912     while (isspace(*p))
1913         p++;
1914     if (*p == '\0') {
1915     fail:
1916         *q = '\0';
1917         *pp = p;
1918         return -1;
1919     }
1920     if (*p == '\"') {
1921         p++;
1922         while (*p != '\0' && *p != '\"') {
1923             if (*p == '\\') {
1924                 p++;
1925                 c = *p++;
1926                 switch(c) {
1927                 case 'n':
1928                     c = '\n';
1929                     break;
1930                 case 'r':
1931                     c = '\r';
1932                     break;
1933                 case '\\':
1934                 case '\'':
1935                 case '\"':
1936                     break;
1937                 default:
1938                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1939                     goto fail;
1940                 }
1941                 if ((q - buf) < buf_size - 1) {
1942                     *q++ = c;
1943                 }
1944             } else {
1945                 if ((q - buf) < buf_size - 1) {
1946                     *q++ = *p;
1947                 }
1948                 p++;
1949             }
1950         }
1951         if (*p != '\"') {
1952             qemu_printf("unterminated string\n");
1953             goto fail;
1954         }
1955         p++;
1956     } else {
1957         while (*p != '\0' && !isspace(*p)) {
1958             if ((q - buf) < buf_size - 1) {
1959                 *q++ = *p;
1960             }
1961             p++;
1962         }
1963     }
1964     *q = '\0';
1965     *pp = p;
1966     return 0;
1967 }
1968
1969 static int default_fmt_format = 'x';
1970 static int default_fmt_size = 4;
1971
1972 #define MAX_ARGS 16
1973
1974 static void monitor_handle_command(const char *cmdline)
1975 {
1976     const char *p, *pstart, *typestr;
1977     char *q;
1978     int c, nb_args, len, i, has_arg;
1979     term_cmd_t *cmd;
1980     char cmdname[256];
1981     char buf[1024];
1982     void *str_allocated[MAX_ARGS];
1983     void *args[MAX_ARGS];
1984
1985 #ifdef DEBUG
1986     term_printf("command='%s'\n", cmdline);
1987 #endif
1988
1989     /* extract the command name */
1990     p = cmdline;
1991     q = cmdname;
1992     while (isspace(*p))
1993         p++;
1994     if (*p == '\0')
1995         return;
1996     pstart = p;
1997     while (*p != '\0' && *p != '/' && !isspace(*p))
1998         p++;
1999     len = p - pstart;
2000     if (len > sizeof(cmdname) - 1)
2001         len = sizeof(cmdname) - 1;
2002     memcpy(cmdname, pstart, len);
2003     cmdname[len] = '\0';
2004
2005     /* find the command */
2006     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2007         if (compare_cmd(cmdname, cmd->name))
2008             goto found;
2009     }
2010     term_printf("unknown command: '%s'\n", cmdname);
2011     return;
2012  found:
2013
2014     for(i = 0; i < MAX_ARGS; i++)
2015         str_allocated[i] = NULL;
2016
2017     /* parse the parameters */
2018     typestr = cmd->args_type;
2019     nb_args = 0;
2020     for(;;) {
2021         c = *typestr;
2022         if (c == '\0')
2023             break;
2024         typestr++;
2025         switch(c) {
2026         case 'F':
2027         case 'B':
2028         case 's':
2029             {
2030                 int ret;
2031                 char *str;
2032
2033                 while (isspace(*p))
2034                     p++;
2035                 if (*typestr == '?') {
2036                     typestr++;
2037                     if (*p == '\0') {
2038                         /* no optional string: NULL argument */
2039                         str = NULL;
2040                         goto add_str;
2041                     }
2042                 }
2043                 ret = get_str(buf, sizeof(buf), &p);
2044                 if (ret < 0) {
2045                     switch(c) {
2046                     case 'F':
2047                         term_printf("%s: filename expected\n", cmdname);
2048                         break;
2049                     case 'B':
2050                         term_printf("%s: block device name expected\n", cmdname);
2051                         break;
2052                     default:
2053                         term_printf("%s: string expected\n", cmdname);
2054                         break;
2055                     }
2056                     goto fail;
2057                 }
2058                 str = qemu_malloc(strlen(buf) + 1);
2059                 strcpy(str, buf);
2060                 str_allocated[nb_args] = str;
2061             add_str:
2062                 if (nb_args >= MAX_ARGS) {
2063                 error_args:
2064                     term_printf("%s: too many arguments\n", cmdname);
2065                     goto fail;
2066                 }
2067                 args[nb_args++] = str;
2068             }
2069             break;
2070         case '/':
2071             {
2072                 int count, format, size;
2073
2074                 while (isspace(*p))
2075                     p++;
2076                 if (*p == '/') {
2077                     /* format found */
2078                     p++;
2079                     count = 1;
2080                     if (isdigit(*p)) {
2081                         count = 0;
2082                         while (isdigit(*p)) {
2083                             count = count * 10 + (*p - '0');
2084                             p++;
2085                         }
2086                     }
2087                     size = -1;
2088                     format = -1;
2089                     for(;;) {
2090                         switch(*p) {
2091                         case 'o':
2092                         case 'd':
2093                         case 'u':
2094                         case 'x':
2095                         case 'i':
2096                         case 'c':
2097                             format = *p++;
2098                             break;
2099                         case 'b':
2100                             size = 1;
2101                             p++;
2102                             break;
2103                         case 'h':
2104                             size = 2;
2105                             p++;
2106                             break;
2107                         case 'w':
2108                             size = 4;
2109                             p++;
2110                             break;
2111                         case 'g':
2112                         case 'L':
2113                             size = 8;
2114                             p++;
2115                             break;
2116                         default:
2117                             goto next;
2118                         }
2119                     }
2120                 next:
2121                     if (*p != '\0' && !isspace(*p)) {
2122                         term_printf("invalid char in format: '%c'\n", *p);
2123                         goto fail;
2124                     }
2125                     if (format < 0)
2126                         format = default_fmt_format;
2127                     if (format != 'i') {
2128                         /* for 'i', not specifying a size gives -1 as size */
2129                         if (size < 0)
2130                             size = default_fmt_size;
2131                     }
2132                     default_fmt_size = size;
2133                     default_fmt_format = format;
2134                 } else {
2135                     count = 1;
2136                     format = default_fmt_format;
2137                     if (format != 'i') {
2138                         size = default_fmt_size;
2139                     } else {
2140                         size = -1;
2141                     }
2142                 }
2143                 if (nb_args + 3 > MAX_ARGS)
2144                     goto error_args;
2145                 args[nb_args++] = (void*)(long)count;
2146                 args[nb_args++] = (void*)(long)format;
2147                 args[nb_args++] = (void*)(long)size;
2148             }
2149             break;
2150         case 'i':
2151         case 'l':
2152             {
2153                 target_long val;
2154                 while (isspace(*p))
2155                     p++;
2156                 if (*typestr == '?' || *typestr == '.') {
2157                     if (*typestr == '?') {
2158                         if (*p == '\0')
2159                             has_arg = 0;
2160                         else
2161                             has_arg = 1;
2162                     } else {
2163                         if (*p == '.') {
2164                             p++;
2165                             while (isspace(*p))
2166                                 p++;
2167                             has_arg = 1;
2168                         } else {
2169                             has_arg = 0;
2170                         }
2171                     }
2172                     typestr++;
2173                     if (nb_args >= MAX_ARGS)
2174                         goto error_args;
2175                     args[nb_args++] = (void *)(long)has_arg;
2176                     if (!has_arg) {
2177                         if (nb_args >= MAX_ARGS)
2178                             goto error_args;
2179                         val = -1;
2180                         goto add_num;
2181                     }
2182                 }
2183                 if (get_expr(&val, &p))
2184                     goto fail;
2185             add_num:
2186                 if (c == 'i') {
2187                     if (nb_args >= MAX_ARGS)
2188                         goto error_args;
2189                     args[nb_args++] = (void *)(long)val;
2190                 } else {
2191                     if ((nb_args + 1) >= MAX_ARGS)
2192                         goto error_args;
2193 #if TARGET_LONG_BITS == 64
2194                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2195 #else
2196                     args[nb_args++] = (void *)0;
2197 #endif
2198                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2199                 }
2200             }
2201             break;
2202         case '-':
2203             {
2204                 int has_option;
2205                 /* option */
2206
2207                 c = *typestr++;
2208                 if (c == '\0')
2209                     goto bad_type;
2210                 while (isspace(*p))
2211                     p++;
2212                 has_option = 0;
2213                 if (*p == '-') {
2214                     p++;
2215                     if (*p != c) {
2216                         term_printf("%s: unsupported option -%c\n",
2217                                     cmdname, *p);
2218                         goto fail;
2219                     }
2220                     p++;
2221                     has_option = 1;
2222                 }
2223                 if (nb_args >= MAX_ARGS)
2224                     goto error_args;
2225                 args[nb_args++] = (void *)(long)has_option;
2226             }
2227             break;
2228         default:
2229         bad_type:
2230             term_printf("%s: unknown type '%c'\n", cmdname, c);
2231             goto fail;
2232         }
2233     }
2234     /* check that all arguments were parsed */
2235     while (isspace(*p))
2236         p++;
2237     if (*p != '\0') {
2238         term_printf("%s: extraneous characters at the end of line\n",
2239                     cmdname);
2240         goto fail;
2241     }
2242
2243     switch(nb_args) {
2244     case 0:
2245         cmd->handler();
2246         break;
2247     case 1:
2248         cmd->handler(args[0]);
2249         break;
2250     case 2:
2251         cmd->handler(args[0], args[1]);
2252         break;
2253     case 3:
2254         cmd->handler(args[0], args[1], args[2]);
2255         break;
2256     case 4:
2257         cmd->handler(args[0], args[1], args[2], args[3]);
2258         break;
2259     case 5:
2260         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2261         break;
2262     case 6:
2263         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2264         break;
2265     case 7:
2266         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2267         break;
2268     default:
2269         term_printf("unsupported number of arguments: %d\n", nb_args);
2270         goto fail;
2271     }
2272  fail:
2273     for(i = 0; i < MAX_ARGS; i++)
2274         qemu_free(str_allocated[i]);
2275     return;
2276 }
2277
2278 static void cmd_completion(const char *name, const char *list)
2279 {
2280     const char *p, *pstart;
2281     char cmd[128];
2282     int len;
2283
2284     p = list;
2285     for(;;) {
2286         pstart = p;
2287         p = strchr(p, '|');
2288         if (!p)
2289             p = pstart + strlen(pstart);
2290         len = p - pstart;
2291         if (len > sizeof(cmd) - 2)
2292             len = sizeof(cmd) - 2;
2293         memcpy(cmd, pstart, len);
2294         cmd[len] = '\0';
2295         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2296             add_completion(cmd);
2297         }
2298         if (*p == '\0')
2299             break;
2300         p++;
2301     }
2302 }
2303
2304 static void file_completion(const char *input)
2305 {
2306     DIR *ffs;
2307     struct dirent *d;
2308     char path[1024];
2309     char file[1024], file_prefix[1024];
2310     int input_path_len;
2311     const char *p;
2312
2313     p = strrchr(input, '/');
2314     if (!p) {
2315         input_path_len = 0;
2316         pstrcpy(file_prefix, sizeof(file_prefix), input);
2317         strcpy(path, ".");
2318     } else {
2319         input_path_len = p - input + 1;
2320         memcpy(path, input, input_path_len);
2321         if (input_path_len > sizeof(path) - 1)
2322             input_path_len = sizeof(path) - 1;
2323         path[input_path_len] = '\0';
2324         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2325     }
2326 #ifdef DEBUG_COMPLETION
2327     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2328 #endif
2329     ffs = opendir(path);
2330     if (!ffs)
2331         return;
2332     for(;;) {
2333         struct stat sb;
2334         d = readdir(ffs);
2335         if (!d)
2336             break;
2337         if (strstart(d->d_name, file_prefix, NULL)) {
2338             memcpy(file, input, input_path_len);
2339             strcpy(file + input_path_len, d->d_name);
2340             /* stat the file to find out if it's a directory.
2341              * In that case add a slash to speed up typing long paths
2342              */
2343             stat(file, &sb);
2344             if(S_ISDIR(sb.st_mode))
2345                 strcat(file, "/");
2346             add_completion(file);
2347         }
2348     }
2349     closedir(ffs);
2350 }
2351
2352 static void block_completion_it(void *opaque, const char *name)
2353 {
2354     const char *input = opaque;
2355
2356     if (input[0] == '\0' ||
2357         !strncmp(name, (char *)input, strlen(input))) {
2358         add_completion(name);
2359     }
2360 }
2361
2362 /* NOTE: this parser is an approximate form of the real command parser */
2363 static void parse_cmdline(const char *cmdline,
2364                          int *pnb_args, char **args)
2365 {
2366     const char *p;
2367     int nb_args, ret;
2368     char buf[1024];
2369
2370     p = cmdline;
2371     nb_args = 0;
2372     for(;;) {
2373         while (isspace(*p))
2374             p++;
2375         if (*p == '\0')
2376             break;
2377         if (nb_args >= MAX_ARGS)
2378             break;
2379         ret = get_str(buf, sizeof(buf), &p);
2380         args[nb_args] = qemu_strdup(buf);
2381         nb_args++;
2382         if (ret < 0)
2383             break;
2384     }
2385     *pnb_args = nb_args;
2386 }
2387
2388 void readline_find_completion(const char *cmdline)
2389 {
2390     const char *cmdname;
2391     char *args[MAX_ARGS];
2392     int nb_args, i, len;
2393     const char *ptype, *str;
2394     term_cmd_t *cmd;
2395     const KeyDef *key;
2396
2397     parse_cmdline(cmdline, &nb_args, args);
2398 #ifdef DEBUG_COMPLETION
2399     for(i = 0; i < nb_args; i++) {
2400         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2401     }
2402 #endif
2403
2404     /* if the line ends with a space, it means we want to complete the
2405        next arg */
2406     len = strlen(cmdline);
2407     if (len > 0 && isspace(cmdline[len - 1])) {
2408         if (nb_args >= MAX_ARGS)
2409             return;
2410         args[nb_args++] = qemu_strdup("");
2411     }
2412     if (nb_args <= 1) {
2413         /* command completion */
2414         if (nb_args == 0)
2415             cmdname = "";
2416         else
2417             cmdname = args[0];
2418         completion_index = strlen(cmdname);
2419         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2420             cmd_completion(cmdname, cmd->name);
2421         }
2422     } else {
2423         /* find the command */
2424         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2425             if (compare_cmd(args[0], cmd->name))
2426                 goto found;
2427         }
2428         return;
2429     found:
2430         ptype = cmd->args_type;
2431         for(i = 0; i < nb_args - 2; i++) {
2432             if (*ptype != '\0') {
2433                 ptype++;
2434                 while (*ptype == '?')
2435                     ptype++;
2436             }
2437         }
2438         str = args[nb_args - 1];
2439         switch(*ptype) {
2440         case 'F':
2441             /* file completion */
2442             completion_index = strlen(str);
2443             file_completion(str);
2444             break;
2445         case 'B':
2446             /* block device name completion */
2447             completion_index = strlen(str);
2448             bdrv_iterate(block_completion_it, (void *)str);
2449             break;
2450         case 's':
2451             /* XXX: more generic ? */
2452             if (!strcmp(cmd->name, "info")) {
2453                 completion_index = strlen(str);
2454                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2455                     cmd_completion(str, cmd->name);
2456                 }
2457             } else if (!strcmp(cmd->name, "sendkey")) {
2458                 completion_index = strlen(str);
2459                 for(key = key_defs; key->name != NULL; key++) {
2460                     cmd_completion(str, key->name);
2461                 }
2462             }
2463             break;
2464         default:
2465             break;
2466         }
2467     }
2468     for(i = 0; i < nb_args; i++)
2469         qemu_free(args[i]);
2470 }
2471
2472 static int term_can_read(void *opaque)
2473 {
2474     return 128;
2475 }
2476
2477 static void term_read(void *opaque, const uint8_t *buf, int size)
2478 {
2479     int i;
2480     for(i = 0; i < size; i++)
2481         readline_handle_byte(buf[i]);
2482 }
2483
2484 static void monitor_start_input(void);
2485
2486 static void monitor_handle_command1(void *opaque, const char *cmdline)
2487 {
2488     monitor_handle_command(cmdline);
2489     monitor_start_input();
2490 }
2491
2492 static void monitor_start_input(void)
2493 {
2494     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2495 }
2496
2497 static void term_event(void *opaque, int event)
2498 {
2499     if (event != CHR_EVENT_RESET)
2500         return;
2501
2502     if (!hide_banner)
2503             term_printf("QEMU %s monitor - type 'help' for more information\n",
2504                         QEMU_VERSION);
2505     monitor_start_input();
2506 }
2507
2508 static int is_first_init = 1;
2509
2510 void monitor_init(CharDriverState *hd, int show_banner)
2511 {
2512     int i;
2513
2514     if (is_first_init) {
2515         for (i = 0; i < MAX_MON; i++) {
2516             monitor_hd[i] = NULL;
2517         }
2518         is_first_init = 0;
2519     }
2520     for (i = 0; i < MAX_MON; i++) {
2521         if (monitor_hd[i] == NULL) {
2522             monitor_hd[i] = hd;
2523             break;
2524         }
2525     }
2526
2527     hide_banner = !show_banner;
2528
2529     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2530 }
2531
2532 /* XXX: use threads ? */
2533 /* modal monitor readline */
2534 static int monitor_readline_started;
2535 static char *monitor_readline_buf;
2536 static int monitor_readline_buf_size;
2537
2538 static void monitor_readline_cb(void *opaque, const char *input)
2539 {
2540     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2541     monitor_readline_started = 0;
2542 }
2543
2544 void monitor_readline(const char *prompt, int is_password,
2545                       char *buf, int buf_size)
2546 {
2547     int i;
2548
2549     if (is_password) {
2550         for (i = 0; i < MAX_MON; i++)
2551             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2552                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2553     }
2554     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2555     monitor_readline_buf = buf;
2556     monitor_readline_buf_size = buf_size;
2557     monitor_readline_started = 1;
2558     while (monitor_readline_started) {
2559         main_loop_wait(10);
2560     }
2561 }