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 #include "qemu-kvm.h"
  29
  30 //#define DEBUG
  31 //#define DEBUG_COMPLETION
  32
  33 #ifndef offsetof
  34 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  35 #endif
  36
  37 /*
  38  * Supported types:
  39  *
  40  * 'F'          filename
  41  * 'B'          block device name
  42  * 's'          string (accept optional quote)
  43  * 'i'          32 bit integer
  44  * 'l'          target long (32 or 64 bit)
  45  * '/'          optional gdb-like print format (like "/10x")
  46  *
  47  * '?'          optional type (for 'F', 's' and 'i')
  48  *
  49  */
  50
  51 typedef struct term_cmd_t {
  52     const char *name;
  53     const char *args_type;
  54     void (*handler)();
  55     const char *params;
  56     const char *help;
  57 } term_cmd_t;
  58
  59 static CharDriverState *monitor_hd;
  60 static int hide_banner;
  61
  62 static term_cmd_t term_cmds[];
  63 static term_cmd_t info_cmds[];
  64
  65 static char term_outbuf[1024];
  66 static int term_outbuf_index;
  67
  68 static void monitor_start_input(void);
  69
  70 CPUState *mon_cpu = NULL;
  71
  72 void term_flush(void)
  73 {
  74     if (term_outbuf_index > 0) {
  75         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  76         term_outbuf_index = 0;
  77     }
  78 }
  79
  80 /* flush at every end of line or if the buffer is full */
  81 void term_puts(const char *str)
  82 {
  83     int c;
  84     for(;;) {
  85         c = *str++;
  86         if (c == '\0')
  87             break;
  88         if (c == '\n')
  89             term_outbuf[term_outbuf_index++] = '\r';
  90         term_outbuf[term_outbuf_index++] = c;
  91         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  92             c == '\n')
  93             term_flush();
  94     }
  95 }
  96
  97 void term_vprintf(const char *fmt, va_list ap)
  98 {
  99     char buf[4096];
 100     vsnprintf(buf, sizeof(buf), fmt, ap);
 101     term_puts(buf);
 102 }
 103
 104 void term_printf(const char *fmt, ...)
 105 {
 106     va_list ap;
 107     va_start(ap, fmt);
 108     term_vprintf(fmt, ap);
 109     va_end(ap);
 110 }
 111
 112 void term_print_filename(const char *filename)
 113 {
 114     int i;
 115
 116     for (i = 0; filename[i]; i++) {
 117         switch (filename[i]) {
 118         case ' ':
 119         case '"':
 120         case '\\':
 121             term_printf("\\%c", filename[i]);
 122             break;
 123         case '\t':
 124             term_printf("\\t");
 125             break;
 126         case '\r':
 127             term_printf("\\r");
 128             break;
 129         case '\n':
 130             term_printf("\\n");
 131             break;
 132         default:
 133             term_printf("%c", filename[i]);
 134             break;
 135         }
 136     }
 137 }
 138
 139 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 140 {
 141     va_list ap;
 142     va_start(ap, fmt);
 143     term_vprintf(fmt, ap);
 144     va_end(ap);
 145     return 0;
 146 }
 147
 148 static int compare_cmd(const char *name, const char *list)
 149 {
 150     const char *p, *pstart;
 151     int len;
 152     len = strlen(name);
 153     p = list;
 154     for(;;) {
 155         pstart = p;
 156         p = strchr(p, '|');
 157         if (!p)
 158             p = pstart + strlen(pstart);
 159         if ((p - pstart) == len && !memcmp(pstart, name, len))
 160             return 1;
 161         if (*p == '\0')
 162             break;
 163         p++;
 164     }
 165     return 0;
 166 }
 167
 168 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 169 {
 170     term_cmd_t *cmd;
 171
 172     for(cmd = cmds; cmd->name != NULL; cmd++) {
 173         if (!name || !strcmp(name, cmd->name))
 174             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 175     }
 176 }
 177
 178 static void help_cmd(const char *name)
 179 {
 180     if (name && !strcmp(name, "info")) {
 181         help_cmd1(info_cmds, "info ", NULL);
 182     } else {
 183         help_cmd1(term_cmds, "", name);
 184         if (name && !strcmp(name, "log")) {
 185             CPULogItem *item;
 186             term_printf("Log items (comma separated):\n");
 187             term_printf("%-10s %s\n", "none", "remove all logs");
 188             for(item = cpu_log_items; item->mask != 0; item++) {
 189                 term_printf("%-10s %s\n", item->name, item->help);
 190             }
 191         }
 192     }
 193 }
 194
 195 static void do_help(const char *name)
 196 {
 197     help_cmd(name);
 198 }
 199
 200 static void do_commit(const char *device)
 201 {
 202     int i, all_devices;
 203
 204     all_devices = !strcmp(device, "all");
 205     for (i = 0; i < MAX_DISKS; i++) {
 206         if (bs_table[i]) {
 207             if (all_devices ||
 208                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 209                 bdrv_commit(bs_table[i]);
 210         }
 211     }
 212 }
 213
 214 static void do_info(const char *item)
 215 {
 216     term_cmd_t *cmd;
 217
 218     if (!item)
 219         goto help;
 220     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 221         if (compare_cmd(item, cmd->name))
 222             goto found;
 223     }
 224  help:
 225     help_cmd("info");
 226     return;
 227  found:
 228     cmd->handler();
 229 }
 230
 231 static void do_info_version(void)
 232 {
 233   term_printf("%s\n", QEMU_VERSION);
 234 }
 235
 236 static void do_info_block(void)
 237 {
 238     bdrv_info();
 239 }
 240
 241 /* get the current CPU defined by the user */
 242 int mon_set_cpu(int cpu_index)
 243 {
 244     CPUState *env;
 245
 246     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 247         if (env->cpu_index == cpu_index) {
 248             mon_cpu = env;
 249             return 0;
 250         }
 251     }
 252     return -1;
 253 }
 254
 255 CPUState *mon_get_cpu(void)
 256 {
 257     if (!mon_cpu) {
 258         mon_set_cpu(0);
 259     }
 260
 261 #ifdef USE_KVM
 262     kvm_save_registers(mon_cpu);
 263 #endif
 264
 265     return mon_cpu;
 266 }
 267
 268 static void do_info_registers(void)
 269 {
 270     CPUState *env;
 271     env = mon_get_cpu();
 272     if (!env)
 273         return;
 274 #ifdef TARGET_I386
 275     cpu_dump_state(env, NULL, monitor_fprintf,
 276                    X86_DUMP_FPU);
 277 #else
 278     cpu_dump_state(env, NULL, monitor_fprintf,
 279                    0);
 280 #endif
 281 }
 282
 283 static void do_info_cpus(void)
 284 {
 285     CPUState *env;
 286
 287     /* just to set the default cpu if not already done */
 288     mon_get_cpu();
 289
 290     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 291         term_printf("%c CPU #%d:",
 292                     (env == mon_cpu) ? '*' : ' ',
 293                     env->cpu_index);
 294 #if defined(TARGET_I386)
 295         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 296         if (env->hflags & HF_HALTED_MASK)
 297             term_printf(" (halted)");
 298 #elif defined(TARGET_PPC)
 299         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 300         if (env->halted)
 301             term_printf(" (halted)");
 302 #elif defined(TARGET_SPARC)
 303         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 304         if (env->halted)
 305             term_printf(" (halted)");
 306 #endif
 307         term_printf("\n");
 308     }
 309 }
 310
 311 static void do_cpu_set(int index)
 312 {
 313     if (mon_set_cpu(index) < 0)
 314         term_printf("Invalid CPU index\n");
 315 }
 316
 317 static void do_info_jit(void)
 318 {
 319     dump_exec_info(NULL, monitor_fprintf);
 320 }
 321
 322 static void do_info_history (void)
 323 {
 324     int i;
 325     const char *str;
 326
 327     i = 0;
 328     for(;;) {
 329         str = readline_get_history(i);
 330         if (!str)
 331             break;
 332         term_printf("%d: '%s'\n", i, str);
 333         i++;
 334     }
 335 }
 336
 337 static void do_quit(void)
 338 {
 339     exit(0);
 340 }
 341
 342 static int eject_device(BlockDriverState *bs, int force)
 343 {
 344     if (bdrv_is_inserted(bs)) {
 345         if (!force) {
 346             if (!bdrv_is_removable(bs)) {
 347                 term_printf("device is not removable\n");
 348                 return -1;
 349             }
 350             if (bdrv_is_locked(bs)) {
 351                 term_printf("device is locked\n");
 352                 return -1;
 353             }
 354         }
 355         bdrv_close(bs);
 356     }
 357     return 0;
 358 }
 359
 360 static void do_eject(int force, const char *filename)
 361 {
 362     BlockDriverState *bs;
 363
 364     bs = bdrv_find(filename);
 365     if (!bs) {
 366         term_printf("device not found\n");
 367         return;
 368     }
 369     eject_device(bs, force);
 370 }
 371
 372 #define USAGE_STR "Usage: read_disk_io hd[a/b/c/d]\n"
 373 DiskIOStatistics vmdk_io_statistics(BlockDriverState *bs);
 374
 375 static void do_io_statistics(const char *hdx)
 376 {
 377     DiskIOStatistics io[4];
 378
 379     if ((strcmp(hdx,"hda") != 0) && (strcmp(hdx,"hdb") != 0) &&
 380         (strcmp(hdx,"hdc") != 0) && (strcmp(hdx,"hdd") != 0)) {
 381         term_printf(USAGE_STR);
 382         return;
 383     }
 384
 385     switch (hdx[2]) {
 386     case 'a':
 387         term_printf("---------- hda io statistics ----------\n");
 388         io[0] = vmdk_io_statistics(bs_table[0]);
 389         term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 390                     io[0].read_byte_counter, io[0].write_byte_counter);
 391         break;
 392     case 'b':
 393         term_printf("---------- hdb io statistics ----------\n");
 394         if (bs_table[1]) {
 395             io[1] = vmdk_io_statistics(bs_table[1]);
 396             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 397                         io[1].read_byte_counter, io[1].write_byte_counter);
 398         }else {
 399             term_printf("hdb not exist\n");
 400         }
 401         break;
 402     case 'c':
 403         term_printf("---------- hdc io statistics ----------\n");
 404         if (bs_table[2]) {
 405             io[2] = vmdk_io_statistics(bs_table[2]);
 406             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 407                         io[2].read_byte_counter, io[2].write_byte_counter);
 408         }else {
 409             term_printf("hdc not exist\n");
 410         }
 411         break;
 412     case 'd':
 413         term_printf("---------- hdd io statistics ----------\n");
 414         if (bs_table[3]) {
 415             io[3] = vmdk_io_statistics(bs_table[3]);
 416             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 417                         io[3].read_byte_counter, io[3].write_byte_counter);
 418         }else {
 419             term_printf("hdd not exist\n");
 420         }
 421         break;
 422     }
 423 }
 424
 425 static void do_change(const char *device, const char *filename)
 426 {
 427     BlockDriverState *bs;
 428     int i;
 429     char password[256];
 430
 431     bs = bdrv_find(device);
 432     if (!bs) {
 433         term_printf("device not found\n");
 434         return;
 435     }
 436     if (eject_device(bs, 0) < 0)
 437         return;
 438     bdrv_open(bs, filename, 0);
 439     if (bdrv_is_encrypted(bs)) {
 440         term_printf("%s is encrypted.\n", device);
 441         for(i = 0; i < 3; i++) {
 442             monitor_readline("Password: ", 1, password, sizeof(password));
 443             if (bdrv_set_key(bs, password) == 0)
 444                 break;
 445             term_printf("invalid password\n");
 446         }
 447     }
 448 }
 449
 450 static void do_screen_dump(const char *filename)
 451 {
 452     vga_hw_screen_dump(filename);
 453 }
 454
 455 static void do_log(const char *items)
 456 {
 457     int mask;
 458
 459     if (!strcmp(items, "none")) {
 460         mask = 0;
 461     } else {
 462         mask = cpu_str_to_log_mask(items);
 463         if (!mask) {
 464             help_cmd("log");
 465             return;
 466         }
 467     }
 468     cpu_set_log(mask);
 469 }
 470
 471 static void do_stop(void)
 472 {
 473     vm_stop(EXCP_INTERRUPT);
 474 }
 475
 476 static void do_cont(void)
 477 {
 478     vm_start();
 479 }
 480
 481 #ifdef CONFIG_GDBSTUB
 482 static void do_gdbserver(int has_port, int port)
 483 {
 484     if (!has_port)
 485         port = DEFAULT_GDBSTUB_PORT;
 486     if (gdbserver_start_port(port) < 0) {
 487         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 488     } else {
 489         qemu_printf("Waiting gdb connection on port %d\n", port);
 490     }
 491 }
 492 #endif
 493
 494 static void term_printc(int c)
 495 {
 496     term_printf("'");
 497     switch(c) {
 498     case '\'':
 499         term_printf("\\'");
 500         break;
 501     case '\\':
 502         term_printf("\\\\");
 503         break;
 504     case '\n':
 505         term_printf("\\n");
 506         break;
 507     case '\r':
 508         term_printf("\\r");
 509         break;
 510     default:
 511         if (c >= 32 && c <= 126) {
 512             term_printf("%c", c);
 513         } else {
 514             term_printf("\\x%02x", c);
 515         }
 516         break;
 517     }
 518     term_printf("'");
 519 }
 520
 521 static void memory_dump(int count, int format, int wsize,
 522                         target_ulong addr, int is_physical)
 523 {
 524     CPUState *env;
 525     int nb_per_line, l, line_size, i, max_digits, len;
 526     uint8_t buf[16];
 527     uint64_t v;
 528
 529     if (format == 'i') {
 530         int flags;
 531         flags = 0;
 532         env = mon_get_cpu();
 533         if (!env && !is_physical)
 534             return;
 535 #ifdef TARGET_I386
 536         if (wsize == 2) {
 537             flags = 1;
 538         } else if (wsize == 4) {
 539             flags = 0;
 540         } else {
 541             /* as default we use the current CS size */
 542             flags = 0;
 543             if (env) {
 544 #ifdef TARGET_X86_64
 545                 if ((env->efer & MSR_EFER_LMA) &&
 546                     (env->segs[R_CS].flags & DESC_L_MASK))
 547                     flags = 2;
 548                 else
 549 #endif
 550                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 551                     flags = 1;
 552             }
 553         }
 554 #endif
 555         monitor_disas(env, addr, count, is_physical, flags);
 556         return;
 557     }
 558
 559     len = wsize * count;
 560     if (wsize == 1)
 561         line_size = 8;
 562     else
 563         line_size = 16;
 564     nb_per_line = line_size / wsize;
 565     max_digits = 0;
 566
 567     switch(format) {
 568     case 'o':
 569         max_digits = (wsize * 8 + 2) / 3;
 570         break;
 571     default:
 572     case 'x':
 573         max_digits = (wsize * 8) / 4;
 574         break;
 575     case 'u':
 576     case 'd':
 577         max_digits = (wsize * 8 * 10 + 32) / 33;
 578         break;
 579     case 'c':
 580         wsize = 1;
 581         break;
 582     }
 583
 584     while (len > 0) {
 585         term_printf(TARGET_FMT_lx ":", addr);
 586         l = len;
 587         if (l > line_size)
 588             l = line_size;
 589         if (is_physical) {
 590             cpu_physical_memory_rw(addr, buf, l, 0);
 591         } else {
 592             env = mon_get_cpu();
 593             if (!env)
 594                 break;
 595             cpu_memory_rw_debug(env, addr, buf, l, 0);
 596         }
 597         i = 0;
 598         while (i < l) {
 599             switch(wsize) {
 600             default:
 601             case 1:
 602                 v = ldub_raw(buf + i);
 603                 break;
 604             case 2:
 605                 v = lduw_raw(buf + i);
 606                 break;
 607             case 4:
 608                 v = (uint32_t)ldl_raw(buf + i);
 609                 break;
 610             case 8:
 611                 v = ldq_raw(buf + i);
 612                 break;
 613             }
 614             term_printf(" ");
 615             switch(format) {
 616             case 'o':
 617                 term_printf("%#*" PRIo64, max_digits, v);
 618                 break;
 619             case 'x':
 620                 term_printf("0x%0*" PRIx64, max_digits, v);
 621                 break;
 622             case 'u':
 623                 term_printf("%*" PRIu64, max_digits, v);
 624                 break;
 625             case 'd':
 626                 term_printf("%*" PRId64, max_digits, v);
 627                 break;
 628             case 'c':
 629                 term_printc(v);
 630                 break;
 631             }
 632             i += wsize;
 633         }
 634         term_printf("\n");
 635         addr += l;
 636         len -= l;
 637     }
 638 }
 639
 640 #if TARGET_LONG_BITS == 64
 641 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 642 #else
 643 #define GET_TLONG(h, l) (l)
 644 #endif
 645
 646 static void do_memory_dump(int count, int format, int size,
 647                            uint32_t addrh, uint32_t addrl)
 648 {
 649     target_long addr = GET_TLONG(addrh, addrl);
 650     memory_dump(count, format, size, addr, 0);
 651 }
 652
 653 static void do_physical_memory_dump(int count, int format, int size,
 654                                     uint32_t addrh, uint32_t addrl)
 655
 656 {
 657     target_long addr = GET_TLONG(addrh, addrl);
 658     memory_dump(count, format, size, addr, 1);
 659 }
 660
 661 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 662 {
 663     target_long val = GET_TLONG(valh, vall);
 664 #if TARGET_LONG_BITS == 32
 665     switch(format) {
 666     case 'o':
 667         term_printf("%#o", val);
 668         break;
 669     case 'x':
 670         term_printf("%#x", val);
 671         break;
 672     case 'u':
 673         term_printf("%u", val);
 674         break;
 675     default:
 676     case 'd':
 677         term_printf("%d", val);
 678         break;
 679     case 'c':
 680         term_printc(val);
 681         break;
 682     }
 683 #else
 684     switch(format) {
 685     case 'o':
 686         term_printf("%#" PRIo64, val);
 687         break;
 688     case 'x':
 689         term_printf("%#" PRIx64, val);
 690         break;
 691     case 'u':
 692         term_printf("%" PRIu64, val);
 693         break;
 694     default:
 695     case 'd':
 696         term_printf("%" PRId64, val);
 697         break;
 698     case 'c':
 699         term_printc(val);
 700         break;
 701     }
 702 #endif
 703     term_printf("\n");
 704 }
 705
 706 static void do_memory_save(unsigned int valh, unsigned int vall,
 707                            uint32_t size, const char *filename)
 708 {
 709     FILE *f;
 710     target_long addr = GET_TLONG(valh, vall);
 711     uint32_t l;
 712     CPUState *env;
 713     uint8_t buf[1024];
 714
 715     env = mon_get_cpu();
 716     if (!env)
 717         return;
 718
 719     f = fopen(filename, "wb");
 720     if (!f) {
 721         term_printf("could not open '%s'\n", filename);
 722         return;
 723     }
 724     while (size != 0) {
 725         l = sizeof(buf);
 726         if (l > size)
 727             l = size;
 728         cpu_memory_rw_debug(env, addr, buf, l, 0);
 729         fwrite(buf, 1, l, f);
 730         addr += l;
 731         size -= l;
 732     }
 733     fclose(f);
 734 }
 735
 736 static void do_sum(uint32_t start, uint32_t size)
 737 {
 738     uint32_t addr;
 739     uint8_t buf[1];
 740     uint16_t sum;
 741
 742     sum = 0;
 743     for(addr = start; addr < (start + size); addr++) {
 744         cpu_physical_memory_rw(addr, buf, 1, 0);
 745         /* BSD sum algorithm ('sum' Unix command) */
 746         sum = (sum >> 1) | (sum << 15);
 747         sum += buf[0];
 748     }
 749     term_printf("%05d\n", sum);
 750 }
 751
 752 typedef struct {
 753     int keycode;
 754     const char *name;
 755 } KeyDef;
 756
 757 static const KeyDef key_defs[] = {
 758     { 0x2a, "shift" },
 759     { 0x36, "shift_r" },
 760
 761     { 0x38, "alt" },
 762     { 0xb8, "alt_r" },
 763     { 0x1d, "ctrl" },
 764     { 0x9d, "ctrl_r" },
 765
 766     { 0xdd, "menu" },
 767
 768     { 0x01, "esc" },
 769
 770     { 0x02, "1" },
 771     { 0x03, "2" },
 772     { 0x04, "3" },
 773     { 0x05, "4" },
 774     { 0x06, "5" },
 775     { 0x07, "6" },
 776     { 0x08, "7" },
 777     { 0x09, "8" },
 778     { 0x0a, "9" },
 779     { 0x0b, "0" },
 780     { 0x0c, "minus" },
 781     { 0x0d, "equal" },
 782     { 0x0e, "backspace" },
 783
 784     { 0x0f, "tab" },
 785     { 0x10, "q" },
 786     { 0x11, "w" },
 787     { 0x12, "e" },
 788     { 0x13, "r" },
 789     { 0x14, "t" },
 790     { 0x15, "y" },
 791     { 0x16, "u" },
 792     { 0x17, "i" },
 793     { 0x18, "o" },
 794     { 0x19, "p" },
 795
 796     { 0x1c, "ret" },
 797
 798     { 0x1e, "a" },
 799     { 0x1f, "s" },
 800     { 0x20, "d" },
 801     { 0x21, "f" },
 802     { 0x22, "g" },
 803     { 0x23, "h" },
 804     { 0x24, "j" },
 805     { 0x25, "k" },
 806     { 0x26, "l" },
 807
 808     { 0x2c, "z" },
 809     { 0x2d, "x" },
 810     { 0x2e, "c" },
 811     { 0x2f, "v" },
 812     { 0x30, "b" },
 813     { 0x31, "n" },
 814     { 0x32, "m" },
 815
 816     { 0x39, "spc" },
 817     { 0x3a, "caps_lock" },
 818     { 0x3b, "f1" },
 819     { 0x3c, "f2" },
 820     { 0x3d, "f3" },
 821     { 0x3e, "f4" },
 822     { 0x3f, "f5" },
 823     { 0x40, "f6" },
 824     { 0x41, "f7" },
 825     { 0x42, "f8" },
 826     { 0x43, "f9" },
 827     { 0x44, "f10" },
 828     { 0x45, "num_lock" },
 829     { 0x46, "scroll_lock" },
 830
 831     { 0xb5, "kp_divide" },
 832     { 0x37, "kp_multiply" },
 833     { 0x4a, "kp_substract" },
 834     { 0x4e, "kp_add" },
 835     { 0x9c, "kp_enter" },
 836     { 0x53, "kp_decimal" },
 837
 838     { 0x52, "kp_0" },
 839     { 0x4f, "kp_1" },
 840     { 0x50, "kp_2" },
 841     { 0x51, "kp_3" },
 842     { 0x4b, "kp_4" },
 843     { 0x4c, "kp_5" },
 844     { 0x4d, "kp_6" },
 845     { 0x47, "kp_7" },
 846     { 0x48, "kp_8" },
 847     { 0x49, "kp_9" },
 848
 849     { 0x56, "<" },
 850
 851     { 0x57, "f11" },
 852     { 0x58, "f12" },
 853
 854     { 0xb7, "print" },
 855
 856     { 0xc7, "home" },
 857     { 0xc9, "pgup" },
 858     { 0xd1, "pgdn" },
 859     { 0xcf, "end" },
 860
 861     { 0xcb, "left" },
 862     { 0xc8, "up" },
 863     { 0xd0, "down" },
 864     { 0xcd, "right" },
 865
 866     { 0xd2, "insert" },
 867     { 0xd3, "delete" },
 868     { 0, NULL },
 869 };
 870
 871 static int get_keycode(const char *key)
 872 {
 873     const KeyDef *p;
 874     char *endp;
 875     int ret;
 876
 877     for(p = key_defs; p->name != NULL; p++) {
 878         if (!strcmp(key, p->name))
 879             return p->keycode;
 880     }
 881     if (strstart(key, "0x", NULL)) {
 882         ret = strtoul(key, &endp, 0);
 883         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 884             return ret;
 885     }
 886     return -1;
 887 }
 888
 889 static void do_send_key(const char *string)
 890 {
 891     char keybuf[16], *q;
 892     uint8_t keycodes[16];
 893     const char *p;
 894     int nb_keycodes, keycode, i;
 895
 896     nb_keycodes = 0;
 897     p = string;
 898     while (*p != '\0') {
 899         q = keybuf;
 900         while (*p != '\0' && *p != '-') {
 901             if ((q - keybuf) < sizeof(keybuf) - 1) {
 902                 *q++ = *p;
 903             }
 904             p++;
 905         }
 906         *q = '\0';
 907         keycode = get_keycode(keybuf);
 908         if (keycode < 0) {
 909             term_printf("unknown key: '%s'\n", keybuf);
 910             return;
 911         }
 912         keycodes[nb_keycodes++] = keycode;
 913         if (*p == '\0')
 914             break;
 915         p++;
 916     }
 917     /* key down events */
 918     for(i = 0; i < nb_keycodes; i++) {
 919         keycode = keycodes[i];
 920         if (keycode & 0x80)
 921             kbd_put_keycode(0xe0);
 922         kbd_put_keycode(keycode & 0x7f);
 923     }
 924     /* key up events */
 925     for(i = nb_keycodes - 1; i >= 0; i--) {
 926         keycode = keycodes[i];
 927         if (keycode & 0x80)
 928             kbd_put_keycode(0xe0);
 929         kbd_put_keycode(keycode | 0x80);
 930     }
 931 }
 932
 933 static int mouse_button_state;
 934
 935 static void do_mouse_move(const char *dx_str, const char *dy_str,
 936                           const char *dz_str)
 937 {
 938     int dx, dy, dz;
 939     dx = strtol(dx_str, NULL, 0);
 940     dy = strtol(dy_str, NULL, 0);
 941     dz = 0;
 942     if (dz_str)
 943         dz = strtol(dz_str, NULL, 0);
 944     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 945 }
 946
 947 static void do_mouse_button(int button_state)
 948 {
 949     mouse_button_state = button_state;
 950     kbd_mouse_event(0, 0, 0, mouse_button_state);
 951 }
 952
 953 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 954 {
 955     uint32_t val;
 956     int suffix;
 957
 958     if (has_index) {
 959         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 960         addr++;
 961     }
 962     addr &= 0xffff;
 963
 964     switch(size) {
 965     default:
 966     case 1:
 967         val = cpu_inb(NULL, addr);
 968         suffix = 'b';
 969         break;
 970     case 2:
 971         val = cpu_inw(NULL, addr);
 972         suffix = 'w';
 973         break;
 974     case 4:
 975         val = cpu_inl(NULL, addr);
 976         suffix = 'l';
 977         break;
 978     }
 979     term_printf("port%c[0x%04x] = %#0*x\n",
 980                 suffix, addr, size * 2, val);
 981 }
 982
 983 static void do_system_reset(void)
 984 {
 985     qemu_system_reset_request();
 986 }
 987
 988 static void do_system_powerdown(void)
 989 {
 990     qemu_system_powerdown_request();
 991 }
 992
 993 #if defined(TARGET_I386)
 994 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 995 {
 996     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 997                 addr,
 998                 pte & mask,
 999                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1000                 pte & PG_PSE_MASK ? 'P' : '-',
1001                 pte & PG_DIRTY_MASK ? 'D' : '-',
1002                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1003                 pte & PG_PCD_MASK ? 'C' : '-',
1004                 pte & PG_PWT_MASK ? 'T' : '-',
1005                 pte & PG_USER_MASK ? 'U' : '-',
1006                 pte & PG_RW_MASK ? 'W' : '-');
1007 }
1008
1009 static void tlb_info(void)
1010 {
1011     CPUState *env;
1012     int l1, l2;
1013     uint32_t pgd, pde, pte;
1014
1015     env = mon_get_cpu();
1016     if (!env)
1017         return;
1018
1019     if (!(env->cr[0] & CR0_PG_MASK)) {
1020         term_printf("PG disabled\n");
1021         return;
1022     }
1023     pgd = env->cr[3] & ~0xfff;
1024     for(l1 = 0; l1 < 1024; l1++) {
1025         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1026         pde = le32_to_cpu(pde);
1027         if (pde & PG_PRESENT_MASK) {
1028             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1029                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1030             } else {
1031                 for(l2 = 0; l2 < 1024; l2++) {
1032                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1033                                              (uint8_t *)&pte, 4);
1034                     pte = le32_to_cpu(pte);
1035                     if (pte & PG_PRESENT_MASK) {
1036                         print_pte((l1 << 22) + (l2 << 12),
1037                                   pte & ~PG_PSE_MASK,
1038                                   ~0xfff);
1039                     }
1040                 }
1041             }
1042         }
1043     }
1044 }
1045
1046 static void mem_print(uint32_t *pstart, int *plast_prot,
1047                       uint32_t end, int prot)
1048 {
1049     int prot1;
1050     prot1 = *plast_prot;
1051     if (prot != prot1) {
1052         if (*pstart != -1) {
1053             term_printf("%08x-%08x %08x %c%c%c\n",
1054                         *pstart, end, end - *pstart,
1055                         prot1 & PG_USER_MASK ? 'u' : '-',
1056                         'r',
1057                         prot1 & PG_RW_MASK ? 'w' : '-');
1058         }
1059         if (prot != 0)
1060             *pstart = end;
1061         else
1062             *pstart = -1;
1063         *plast_prot = prot;
1064     }
1065 }
1066
1067 static void mem_info(void)
1068 {
1069     CPUState *env;
1070     int l1, l2, prot, last_prot;
1071     uint32_t pgd, pde, pte, start, end;
1072
1073     env = mon_get_cpu();
1074     if (!env)
1075         return;
1076
1077     if (!(env->cr[0] & CR0_PG_MASK)) {
1078         term_printf("PG disabled\n");
1079         return;
1080     }
1081     pgd = env->cr[3] & ~0xfff;
1082     last_prot = 0;
1083     start = -1;
1084     for(l1 = 0; l1 < 1024; l1++) {
1085         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1086         pde = le32_to_cpu(pde);
1087         end = l1 << 22;
1088         if (pde & PG_PRESENT_MASK) {
1089             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1090                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1091                 mem_print(&start, &last_prot, end, prot);
1092             } else {
1093                 for(l2 = 0; l2 < 1024; l2++) {
1094                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1095                                              (uint8_t *)&pte, 4);
1096                     pte = le32_to_cpu(pte);
1097                     end = (l1 << 22) + (l2 << 12);
1098                     if (pte & PG_PRESENT_MASK) {
1099                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1100                     } else {
1101                         prot = 0;
1102                     }
1103                     mem_print(&start, &last_prot, end, prot);
1104                 }
1105             }
1106         } else {
1107             prot = 0;
1108             mem_print(&start, &last_prot, end, prot);
1109         }
1110     }
1111 }
1112 #endif
1113
1114 static void do_info_kqemu(void)
1115 {
1116 #ifdef USE_KQEMU
1117     CPUState *env;
1118     int val;
1119     val = 0;
1120     env = mon_get_cpu();
1121     if (!env) {
1122         term_printf("No cpu initialized yet");
1123         return;
1124     }
1125     val = env->kqemu_enabled;
1126     term_printf("kqemu support: ");
1127     switch(val) {
1128     default:
1129     case 0:
1130         term_printf("disabled\n");
1131         break;
1132     case 1:
1133         term_printf("enabled for user code\n");
1134         break;
1135     case 2:
1136         term_printf("enabled for user and kernel code\n");
1137         break;
1138     }
1139 #else
1140     term_printf("kqemu support: not compiled\n");
1141 #endif
1142 }
1143
1144 #ifdef CONFIG_PROFILER
1145
1146 int64_t kqemu_time;
1147 int64_t qemu_time;
1148 int64_t kqemu_exec_count;
1149 int64_t dev_time;
1150 int64_t kqemu_ret_int_count;
1151 int64_t kqemu_ret_excp_count;
1152 int64_t kqemu_ret_intr_count;
1153
1154 static void do_info_profile(void)
1155 {
1156     int64_t total;
1157     total = qemu_time;
1158     if (total == 0)
1159         total = 1;
1160     term_printf("async time  %" PRId64 " (%0.3f)\n",
1161                 dev_time, dev_time / (double)ticks_per_sec);
1162     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1163                 qemu_time, qemu_time / (double)ticks_per_sec);
1164     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1165                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1166                 kqemu_time / (double)total * 100.0,
1167                 kqemu_exec_count,
1168                 kqemu_ret_int_count,
1169                 kqemu_ret_excp_count,
1170                 kqemu_ret_intr_count);
1171     qemu_time = 0;
1172     kqemu_time = 0;
1173     kqemu_exec_count = 0;
1174     dev_time = 0;
1175     kqemu_ret_int_count = 0;
1176     kqemu_ret_excp_count = 0;
1177     kqemu_ret_intr_count = 0;
1178 #ifdef USE_KQEMU
1179     kqemu_record_dump();
1180 #endif
1181 }
1182 #else
1183 static void do_info_profile(void)
1184 {
1185     term_printf("Internal profiler not compiled\n");
1186 }
1187 #endif
1188
1189 /* Capture support */
1190 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1191
1192 static void do_info_capture (void)
1193 {
1194     int i;
1195     CaptureState *s;
1196
1197     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1198         term_printf ("[%d]: ", i);
1199         s->ops.info (s->opaque);
1200     }
1201 }
1202
1203 static void do_stop_capture (int n)
1204 {
1205     int i;
1206     CaptureState *s;
1207
1208     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1209         if (i == n) {
1210             s->ops.destroy (s->opaque);
1211             LIST_REMOVE (s, entries);
1212             qemu_free (s);
1213             return;
1214         }
1215     }
1216 }
1217
1218 #ifdef HAS_AUDIO
1219 int wav_start_capture (CaptureState *s, const char *path, int freq,
1220                        int bits, int nchannels);
1221
1222 static void do_wav_capture (const char *path,
1223                             int has_freq, int freq,
1224                             int has_bits, int bits,
1225                             int has_channels, int nchannels)
1226 {
1227     CaptureState *s;
1228
1229     s = qemu_mallocz (sizeof (*s));
1230     if (!s) {
1231         term_printf ("Not enough memory to add wave capture\n");
1232         return;
1233     }
1234
1235     freq = has_freq ? freq : 44100;
1236     bits = has_bits ? bits : 16;
1237     nchannels = has_channels ? nchannels : 2;
1238
1239     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1240         term_printf ("Faied to add wave capture\n");
1241         qemu_free (s);
1242     }
1243     LIST_INSERT_HEAD (&capture_head, s, entries);
1244 }
1245 #endif
1246
1247 static term_cmd_t term_cmds[] = {
1248     { "help|?", "s?", do_help,
1249       "[cmd]", "show the help" },
1250     { "commit", "s", do_commit,
1251       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1252     { "info", "s?", do_info,
1253       "subcommand", "show various information about the system state" },
1254     { "q|quit", "", do_quit,
1255       "", "quit the emulator" },
1256     { "eject", "-fB", do_eject,
1257       "[-f] device", "eject a removable media (use -f to force it)" },
1258     { "change", "BF", do_change,
1259       "device filename", "change a removable media" },
1260     { "screendump", "F", do_screen_dump,
1261       "filename", "save screen into PPM image 'filename'" },
1262     { "log", "s", do_log,
1263       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1264     { "savevm", "s?", do_savevm,
1265       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1266     { "loadvm", "s", do_loadvm,
1267       "tag|id", "restore a VM snapshot from its tag or id" },
1268     { "delvm", "s", do_delvm,
1269       "tag|id", "delete a VM snapshot from its tag or id" },
1270     { "stop", "", do_stop,
1271       "", "stop emulation", },
1272     { "c|cont", "", do_cont,
1273       "", "resume emulation", },
1274 #ifdef CONFIG_GDBSTUB
1275     { "gdbserver", "i?", do_gdbserver,
1276       "[port]", "start gdbserver session (default port=1234)", },
1277 #endif
1278     { "x", "/l", do_memory_dump,
1279       "/fmt addr", "virtual memory dump starting at 'addr'", },
1280     { "xp", "/l", do_physical_memory_dump,
1281       "/fmt addr", "physical memory dump starting at 'addr'", },
1282     { "p|print", "/l", do_print,
1283       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1284     { "i", "/ii.", do_ioport_read,
1285       "/fmt addr", "I/O port read" },
1286
1287     { "sendkey", "s", do_send_key,
1288       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1289     { "system_reset", "", do_system_reset,
1290       "", "reset the system" },
1291     { "system_powerdown", "", do_system_powerdown,
1292       "", "send system power down event" },
1293     { "sum", "ii", do_sum,
1294       "addr size", "compute the checksum of a memory region" },
1295     { "usb_add", "s", do_usb_add,
1296       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1297     { "usb_del", "s", do_usb_del,
1298       "device", "remove USB device 'bus.addr'" },
1299     { "cpu", "i", do_cpu_set,
1300       "index", "set the default CPU" },
1301     { "mouse_move", "sss?", do_mouse_move,
1302       "dx dy [dz]", "send mouse move events" },
1303     { "mouse_button", "i", do_mouse_button,
1304       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1305     { "mouse_set", "i", do_mouse_set,
1306       "index", "set which mouse device receives events" },
1307 #ifdef HAS_AUDIO
1308     { "wavcapture", "si?i?i?", do_wav_capture,
1309       "path [frequency bits channels]",
1310       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1311 #endif
1312      { "stopcapture", "i", do_stop_capture,
1313        "capture index", "stop capture" },
1314     { "memsave", "lis", do_memory_save,
1315       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'" },
1316     { "read_disk_io", "s", do_io_statistics,
1317       "hdx", "read disk I/O statistics (VMDK format)" },
1318     { "migrate", "-ds", do_migrate,
1319       "[-d] command", "migrate the VM using command (use -d to not wait for command to complete)" },
1320     { "migrate_cancel", "", do_migrate_cancel,
1321       "", "cancel the current VM migration" },
1322     { "migrate_set_speed", "s", do_migrate_set_speed,
1323       "value", "set maximum speed (in bytes) for migrations" },
1324     { NULL, NULL, },
1325 };
1326
1327 static term_cmd_t info_cmds[] = {
1328     { "version", "", do_info_version,
1329       "", "show the version of qemu" },
1330     { "network", "", do_info_network,
1331       "", "show the network state" },
1332     { "block", "", do_info_block,
1333       "", "show the block devices" },
1334     { "registers", "", do_info_registers,
1335       "", "show the cpu registers" },
1336     { "cpus", "", do_info_cpus,
1337       "", "show infos for each CPU" },
1338     { "history", "", do_info_history,
1339       "", "show the command line history", },
1340     { "irq", "", irq_info,
1341       "", "show the interrupts statistics (if available)", },
1342     { "pic", "", pic_info,
1343       "", "show i8259 (PIC) state", },
1344     { "pci", "", pci_info,
1345       "", "show PCI info", },
1346 #if defined(TARGET_I386)
1347     { "tlb", "", tlb_info,
1348       "", "show virtual to physical memory mappings", },
1349     { "mem", "", mem_info,
1350       "", "show the active virtual memory mappings", },
1351 #endif
1352     { "jit", "", do_info_jit,
1353       "", "show dynamic compiler info", },
1354     { "kqemu", "", do_info_kqemu,
1355       "", "show kqemu information", },
1356     { "usb", "", usb_info,
1357       "", "show guest USB devices", },
1358     { "usbhost", "", usb_host_info,
1359       "", "show host USB devices", },
1360     { "profile", "", do_info_profile,
1361       "", "show profiling information", },
1362     { "capture", "", do_info_capture,
1363       "", "show capture information" },
1364     { "snapshots", "", do_info_snapshots,
1365       "", "show the currently saved VM snapshots" },
1366     { "mice", "", do_info_mice,
1367       "", "show which guest mouse is receiving events" },
1368     { "vnc", "", do_info_vnc,
1369       "", "show the vnc server status"},
1370     { "migration", "", do_info_migration,
1371       "", "show migration information" },
1372     { NULL, NULL, },
1373 };
1374
1375 /*******************************************************************/
1376
1377 static const char *pch;
1378 static jmp_buf expr_env;
1379
1380 #define MD_TLONG 0
1381 #define MD_I32   1
1382
1383 typedef struct MonitorDef {
1384     const char *name;
1385     int offset;
1386     target_long (*get_value)(struct MonitorDef *md, int val);
1387     int type;
1388 } MonitorDef;
1389
1390 #if defined(TARGET_I386)
1391 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1392 {
1393     CPUState *env = mon_get_cpu();
1394     if (!env)
1395         return 0;
1396     return env->eip + env->segs[R_CS].base;
1397 }
1398 #endif
1399
1400 #if defined(TARGET_PPC)
1401 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1402 {
1403     CPUState *env = mon_get_cpu();
1404     unsigned int u;
1405     int i;
1406
1407     if (!env)
1408         return 0;
1409
1410     u = 0;
1411     for (i = 0; i < 8; i++)
1412         u |= env->crf[i] << (32 - (4 * i));
1413
1414     return u;
1415 }
1416
1417 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1418 {
1419     CPUState *env = mon_get_cpu();
1420     if (!env)
1421         return 0;
1422     return (env->msr[MSR_POW] << MSR_POW) |
1423         (env->msr[MSR_ILE] << MSR_ILE) |
1424         (env->msr[MSR_EE] << MSR_EE) |
1425         (env->msr[MSR_PR] << MSR_PR) |
1426         (env->msr[MSR_FP] << MSR_FP) |
1427         (env->msr[MSR_ME] << MSR_ME) |
1428         (env->msr[MSR_FE0] << MSR_FE0) |
1429         (env->msr[MSR_SE] << MSR_SE) |
1430         (env->msr[MSR_BE] << MSR_BE) |
1431         (env->msr[MSR_FE1] << MSR_FE1) |
1432         (env->msr[MSR_IP] << MSR_IP) |
1433         (env->msr[MSR_IR] << MSR_IR) |
1434         (env->msr[MSR_DR] << MSR_DR) |
1435         (env->msr[MSR_RI] << MSR_RI) |
1436         (env->msr[MSR_LE] << MSR_LE);
1437 }
1438
1439 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1440 {
1441     CPUState *env = mon_get_cpu();
1442     if (!env)
1443         return 0;
1444     return (env->xer[XER_SO] << XER_SO) |
1445         (env->xer[XER_OV] << XER_OV) |
1446         (env->xer[XER_CA] << XER_CA) |
1447         (env->xer[XER_BC] << XER_BC);
1448 }
1449
1450 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1451 {
1452     CPUState *env = mon_get_cpu();
1453     if (!env)
1454         return 0;
1455     return cpu_ppc_load_decr(env);
1456 }
1457
1458 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1459 {
1460     CPUState *env = mon_get_cpu();
1461     if (!env)
1462         return 0;
1463     return cpu_ppc_load_tbu(env);
1464 }
1465
1466 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1467 {
1468     CPUState *env = mon_get_cpu();
1469     if (!env)
1470         return 0;
1471     return cpu_ppc_load_tbl(env);
1472 }
1473 #endif
1474
1475 #if defined(TARGET_SPARC)
1476 #ifndef TARGET_SPARC64
1477 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1478 {
1479     CPUState *env = mon_get_cpu();
1480     if (!env)
1481         return 0;
1482     return GET_PSR(env);
1483 }
1484 #endif
1485
1486 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1487 {
1488     CPUState *env = mon_get_cpu();
1489     if (!env)
1490         return 0;
1491     return env->regwptr[val];
1492 }
1493 #endif
1494
1495 static MonitorDef monitor_defs[] = {
1496 #ifdef TARGET_I386
1497
1498 #define SEG(name, seg) \
1499     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1500     { name ".base", offsetof(CPUState, segs[seg].base) },\
1501     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1502
1503     { "eax", offsetof(CPUState, regs[0]) },
1504     { "ecx", offsetof(CPUState, regs[1]) },
1505     { "edx", offsetof(CPUState, regs[2]) },
1506     { "ebx", offsetof(CPUState, regs[3]) },
1507     { "esp|sp", offsetof(CPUState, regs[4]) },
1508     { "ebp|fp", offsetof(CPUState, regs[5]) },
1509     { "esi", offsetof(CPUState, regs[6]) },
1510     { "edi", offsetof(CPUState, regs[7]) },
1511 #ifdef TARGET_X86_64
1512     { "r8", offsetof(CPUState, regs[8]) },
1513     { "r9", offsetof(CPUState, regs[9]) },
1514     { "r10", offsetof(CPUState, regs[10]) },
1515     { "r11", offsetof(CPUState, regs[11]) },
1516     { "r12", offsetof(CPUState, regs[12]) },
1517     { "r13", offsetof(CPUState, regs[13]) },
1518     { "r14", offsetof(CPUState, regs[14]) },
1519     { "r15", offsetof(CPUState, regs[15]) },
1520 #endif
1521     { "eflags", offsetof(CPUState, eflags) },
1522     { "eip", offsetof(CPUState, eip) },
1523     SEG("cs", R_CS)
1524     SEG("ds", R_DS)
1525     SEG("es", R_ES)
1526     SEG("ss", R_SS)
1527     SEG("fs", R_FS)
1528     SEG("gs", R_GS)
1529     { "pc", 0, monitor_get_pc, },
1530 #elif defined(TARGET_PPC)
1531     { "r0", offsetof(CPUState, gpr[0]) },
1532     { "r1", offsetof(CPUState, gpr[1]) },
1533     { "r2", offsetof(CPUState, gpr[2]) },
1534     { "r3", offsetof(CPUState, gpr[3]) },
1535     { "r4", offsetof(CPUState, gpr[4]) },
1536     { "r5", offsetof(CPUState, gpr[5]) },
1537     { "r6", offsetof(CPUState, gpr[6]) },
1538     { "r7", offsetof(CPUState, gpr[7]) },
1539     { "r8", offsetof(CPUState, gpr[8]) },
1540     { "r9", offsetof(CPUState, gpr[9]) },
1541     { "r10", offsetof(CPUState, gpr[10]) },
1542     { "r11", offsetof(CPUState, gpr[11]) },
1543     { "r12", offsetof(CPUState, gpr[12]) },
1544     { "r13", offsetof(CPUState, gpr[13]) },
1545     { "r14", offsetof(CPUState, gpr[14]) },
1546     { "r15", offsetof(CPUState, gpr[15]) },
1547     { "r16", offsetof(CPUState, gpr[16]) },
1548     { "r17", offsetof(CPUState, gpr[17]) },
1549     { "r18", offsetof(CPUState, gpr[18]) },
1550     { "r19", offsetof(CPUState, gpr[19]) },
1551     { "r20", offsetof(CPUState, gpr[20]) },
1552     { "r21", offsetof(CPUState, gpr[21]) },
1553     { "r22", offsetof(CPUState, gpr[22]) },
1554     { "r23", offsetof(CPUState, gpr[23]) },
1555     { "r24", offsetof(CPUState, gpr[24]) },
1556     { "r25", offsetof(CPUState, gpr[25]) },
1557     { "r26", offsetof(CPUState, gpr[26]) },
1558     { "r27", offsetof(CPUState, gpr[27]) },
1559     { "r28", offsetof(CPUState, gpr[28]) },
1560     { "r29", offsetof(CPUState, gpr[29]) },
1561     { "r30", offsetof(CPUState, gpr[30]) },
1562     { "r31", offsetof(CPUState, gpr[31]) },
1563     { "nip|pc", offsetof(CPUState, nip) },
1564     { "lr", offsetof(CPUState, lr) },
1565     { "ctr", offsetof(CPUState, ctr) },
1566     { "decr", 0, &monitor_get_decr, },
1567     { "ccr", 0, &monitor_get_ccr, },
1568     { "msr", 0, &monitor_get_msr, },
1569     { "xer", 0, &monitor_get_xer, },
1570     { "tbu", 0, &monitor_get_tbu, },
1571     { "tbl", 0, &monitor_get_tbl, },
1572     { "sdr1", offsetof(CPUState, sdr1) },
1573     { "sr0", offsetof(CPUState, sr[0]) },
1574     { "sr1", offsetof(CPUState, sr[1]) },
1575     { "sr2", offsetof(CPUState, sr[2]) },
1576     { "sr3", offsetof(CPUState, sr[3]) },
1577     { "sr4", offsetof(CPUState, sr[4]) },
1578     { "sr5", offsetof(CPUState, sr[5]) },
1579     { "sr6", offsetof(CPUState, sr[6]) },
1580     { "sr7", offsetof(CPUState, sr[7]) },
1581     { "sr8", offsetof(CPUState, sr[8]) },
1582     { "sr9", offsetof(CPUState, sr[9]) },
1583     { "sr10", offsetof(CPUState, sr[10]) },
1584     { "sr11", offsetof(CPUState, sr[11]) },
1585     { "sr12", offsetof(CPUState, sr[12]) },
1586     { "sr13", offsetof(CPUState, sr[13]) },
1587     { "sr14", offsetof(CPUState, sr[14]) },
1588     { "sr15", offsetof(CPUState, sr[15]) },
1589     /* Too lazy to put BATs and SPRs ... */
1590 #elif defined(TARGET_SPARC)
1591     { "g0", offsetof(CPUState, gregs[0]) },
1592     { "g1", offsetof(CPUState, gregs[1]) },
1593     { "g2", offsetof(CPUState, gregs[2]) },
1594     { "g3", offsetof(CPUState, gregs[3]) },
1595     { "g4", offsetof(CPUState, gregs[4]) },
1596     { "g5", offsetof(CPUState, gregs[5]) },
1597     { "g6", offsetof(CPUState, gregs[6]) },
1598     { "g7", offsetof(CPUState, gregs[7]) },
1599     { "o0", 0, monitor_get_reg },
1600     { "o1", 1, monitor_get_reg },
1601     { "o2", 2, monitor_get_reg },
1602     { "o3", 3, monitor_get_reg },
1603     { "o4", 4, monitor_get_reg },
1604     { "o5", 5, monitor_get_reg },
1605     { "o6", 6, monitor_get_reg },
1606     { "o7", 7, monitor_get_reg },
1607     { "l0", 8, monitor_get_reg },
1608     { "l1", 9, monitor_get_reg },
1609     { "l2", 10, monitor_get_reg },
1610     { "l3", 11, monitor_get_reg },
1611     { "l4", 12, monitor_get_reg },
1612     { "l5", 13, monitor_get_reg },
1613     { "l6", 14, monitor_get_reg },
1614     { "l7", 15, monitor_get_reg },
1615     { "i0", 16, monitor_get_reg },
1616     { "i1", 17, monitor_get_reg },
1617     { "i2", 18, monitor_get_reg },
1618     { "i3", 19, monitor_get_reg },
1619     { "i4", 20, monitor_get_reg },
1620     { "i5", 21, monitor_get_reg },
1621     { "i6", 22, monitor_get_reg },
1622     { "i7", 23, monitor_get_reg },
1623     { "pc", offsetof(CPUState, pc) },
1624     { "npc", offsetof(CPUState, npc) },
1625     { "y", offsetof(CPUState, y) },
1626 #ifndef TARGET_SPARC64
1627     { "psr", 0, &monitor_get_psr, },
1628     { "wim", offsetof(CPUState, wim) },
1629 #endif
1630     { "tbr", offsetof(CPUState, tbr) },
1631     { "fsr", offsetof(CPUState, fsr) },
1632     { "f0", offsetof(CPUState, fpr[0]) },
1633     { "f1", offsetof(CPUState, fpr[1]) },
1634     { "f2", offsetof(CPUState, fpr[2]) },
1635     { "f3", offsetof(CPUState, fpr[3]) },
1636     { "f4", offsetof(CPUState, fpr[4]) },
1637     { "f5", offsetof(CPUState, fpr[5]) },
1638     { "f6", offsetof(CPUState, fpr[6]) },
1639     { "f7", offsetof(CPUState, fpr[7]) },
1640     { "f8", offsetof(CPUState, fpr[8]) },
1641     { "f9", offsetof(CPUState, fpr[9]) },
1642     { "f10", offsetof(CPUState, fpr[10]) },
1643     { "f11", offsetof(CPUState, fpr[11]) },
1644     { "f12", offsetof(CPUState, fpr[12]) },
1645     { "f13", offsetof(CPUState, fpr[13]) },
1646     { "f14", offsetof(CPUState, fpr[14]) },
1647     { "f15", offsetof(CPUState, fpr[15]) },
1648     { "f16", offsetof(CPUState, fpr[16]) },
1649     { "f17", offsetof(CPUState, fpr[17]) },
1650     { "f18", offsetof(CPUState, fpr[18]) },
1651     { "f19", offsetof(CPUState, fpr[19]) },
1652     { "f20", offsetof(CPUState, fpr[20]) },
1653     { "f21", offsetof(CPUState, fpr[21]) },
1654     { "f22", offsetof(CPUState, fpr[22]) },
1655     { "f23", offsetof(CPUState, fpr[23]) },
1656     { "f24", offsetof(CPUState, fpr[24]) },
1657     { "f25", offsetof(CPUState, fpr[25]) },
1658     { "f26", offsetof(CPUState, fpr[26]) },
1659     { "f27", offsetof(CPUState, fpr[27]) },
1660     { "f28", offsetof(CPUState, fpr[28]) },
1661     { "f29", offsetof(CPUState, fpr[29]) },
1662     { "f30", offsetof(CPUState, fpr[30]) },
1663     { "f31", offsetof(CPUState, fpr[31]) },
1664 #ifdef TARGET_SPARC64
1665     { "f32", offsetof(CPUState, fpr[32]) },
1666     { "f34", offsetof(CPUState, fpr[34]) },
1667     { "f36", offsetof(CPUState, fpr[36]) },
1668     { "f38", offsetof(CPUState, fpr[38]) },
1669     { "f40", offsetof(CPUState, fpr[40]) },
1670     { "f42", offsetof(CPUState, fpr[42]) },
1671     { "f44", offsetof(CPUState, fpr[44]) },
1672     { "f46", offsetof(CPUState, fpr[46]) },
1673     { "f48", offsetof(CPUState, fpr[48]) },
1674     { "f50", offsetof(CPUState, fpr[50]) },
1675     { "f52", offsetof(CPUState, fpr[52]) },
1676     { "f54", offsetof(CPUState, fpr[54]) },
1677     { "f56", offsetof(CPUState, fpr[56]) },
1678     { "f58", offsetof(CPUState, fpr[58]) },
1679     { "f60", offsetof(CPUState, fpr[60]) },
1680     { "f62", offsetof(CPUState, fpr[62]) },
1681     { "asi", offsetof(CPUState, asi) },
1682     { "pstate", offsetof(CPUState, pstate) },
1683     { "cansave", offsetof(CPUState, cansave) },
1684     { "canrestore", offsetof(CPUState, canrestore) },
1685     { "otherwin", offsetof(CPUState, otherwin) },
1686     { "wstate", offsetof(CPUState, wstate) },
1687     { "cleanwin", offsetof(CPUState, cleanwin) },
1688     { "fprs", offsetof(CPUState, fprs) },
1689 #endif
1690 #endif
1691     { NULL },
1692 };
1693
1694 static void expr_error(const char *fmt)
1695 {
1696     term_printf(fmt);
1697     term_printf("\n");
1698     longjmp(expr_env, 1);
1699 }
1700
1701 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1702 static int get_monitor_def(target_long *pval, const char *name)
1703 {
1704     MonitorDef *md;
1705     void *ptr;
1706
1707     for(md = monitor_defs; md->name != NULL; md++) {
1708         if (compare_cmd(name, md->name)) {
1709             if (md->get_value) {
1710                 *pval = md->get_value(md, md->offset);
1711             } else {
1712                 CPUState *env = mon_get_cpu();
1713                 if (!env)
1714                     return -2;
1715                 ptr = (uint8_t *)env + md->offset;
1716                 switch(md->type) {
1717                 case MD_I32:
1718                     *pval = *(int32_t *)ptr;
1719                     break;
1720                 case MD_TLONG:
1721                     *pval = *(target_long *)ptr;
1722                     break;
1723                 default:
1724                     *pval = 0;
1725                     break;
1726                 }
1727             }
1728             return 0;
1729         }
1730     }
1731     return -1;
1732 }
1733
1734 static void next(void)
1735 {
1736     if (pch != '\0') {
1737         pch++;
1738         while (isspace(*pch))
1739             pch++;
1740     }
1741 }
1742
1743 static target_long expr_sum(void);
1744
1745 static target_long expr_unary(void)
1746 {
1747     target_long n;
1748     char *p;
1749     int ret;
1750
1751     switch(*pch) {
1752     case '+':
1753         next();
1754         n = expr_unary();
1755         break;
1756     case '-':
1757         next();
1758         n = -expr_unary();
1759         break;
1760     case '~':
1761         next();
1762         n = ~expr_unary();
1763         break;
1764     case '(':
1765         next();
1766         n = expr_sum();
1767         if (*pch != ')') {
1768             expr_error("')' expected");
1769         }
1770         next();
1771         break;
1772     case '\'':
1773         pch++;
1774         if (*pch == '\0')
1775             expr_error("character constant expected");
1776         n = *pch;
1777         pch++;
1778         if (*pch != '\'')
1779             expr_error("missing terminating \' character");
1780         next();
1781         break;
1782     case '$':
1783         {
1784             char buf[128], *q;
1785
1786             pch++;
1787             q = buf;
1788             while ((*pch >= 'a' && *pch <= 'z') ||
1789                    (*pch >= 'A' && *pch <= 'Z') ||
1790                    (*pch >= '0' && *pch <= '9') ||
1791                    *pch == '_' || *pch == '.') {
1792                 if ((q - buf) < sizeof(buf) - 1)
1793                     *q++ = *pch;
1794                 pch++;
1795             }
1796             while (isspace(*pch))
1797                 pch++;
1798             *q = 0;
1799             ret = get_monitor_def(&n, buf);
1800             if (ret == -1)
1801                 expr_error("unknown register");
1802             else if (ret == -2)
1803                 expr_error("no cpu defined");
1804         }
1805         break;
1806     case '\0':
1807         expr_error("unexpected end of expression");
1808         n = 0;
1809         break;
1810     default:
1811 #if TARGET_LONG_BITS == 64
1812         n = strtoull(pch, &p, 0);
1813 #else
1814         n = strtoul(pch, &p, 0);
1815 #endif
1816         if (pch == p) {
1817             expr_error("invalid char in expression");
1818         }
1819         pch = p;
1820         while (isspace(*pch))
1821             pch++;
1822         break;
1823     }
1824     return n;
1825 }
1826
1827
1828 static target_long expr_prod(void)
1829 {
1830     target_long val, val2;
1831     int op;
1832
1833     val = expr_unary();
1834     for(;;) {
1835         op = *pch;
1836         if (op != '*' && op != '/' && op != '%')
1837             break;
1838         next();
1839         val2 = expr_unary();
1840         switch(op) {
1841         default:
1842         case '*':
1843             val *= val2;
1844             break;
1845         case '/':
1846         case '%':
1847             if (val2 == 0)
1848                 expr_error("division by zero");
1849             if (op == '/')
1850                 val /= val2;
1851             else
1852                 val %= val2;
1853             break;
1854         }
1855     }
1856     return val;
1857 }
1858
1859 static target_long expr_logic(void)
1860 {
1861     target_long val, val2;
1862     int op;
1863
1864     val = expr_prod();
1865     for(;;) {
1866         op = *pch;
1867         if (op != '&' && op != '|' && op != '^')
1868             break;
1869         next();
1870         val2 = expr_prod();
1871         switch(op) {
1872         default:
1873         case '&':
1874             val &= val2;
1875             break;
1876         case '|':
1877             val |= val2;
1878             break;
1879         case '^':
1880             val ^= val2;
1881             break;
1882         }
1883     }
1884     return val;
1885 }
1886
1887 static target_long expr_sum(void)
1888 {
1889     target_long val, val2;
1890     int op;
1891
1892     val = expr_logic();
1893     for(;;) {
1894         op = *pch;
1895         if (op != '+' && op != '-')
1896             break;
1897         next();
1898         val2 = expr_logic();
1899         if (op == '+')
1900             val += val2;
1901         else
1902             val -= val2;
1903     }
1904     return val;
1905 }
1906
1907 static int get_expr(target_long *pval, const char **pp)
1908 {
1909     pch = *pp;
1910     if (setjmp(expr_env)) {
1911         *pp = pch;
1912         return -1;
1913     }
1914     while (isspace(*pch))
1915         pch++;
1916     *pval = expr_sum();
1917     *pp = pch;
1918     return 0;
1919 }
1920
1921 static int get_str(char *buf, int buf_size, const char **pp)
1922 {
1923     const char *p;
1924     char *q;
1925     int c;
1926
1927     q = buf;
1928     p = *pp;
1929     while (isspace(*p))
1930         p++;
1931     if (*p == '\0') {
1932     fail:
1933         *q = '\0';
1934         *pp = p;
1935         return -1;
1936     }
1937     if (*p == '\"') {
1938         p++;
1939         while (*p != '\0' && *p != '\"') {
1940             if (*p == '\\') {
1941                 p++;
1942                 c = *p++;
1943                 switch(c) {
1944                 case 'n':
1945                     c = '\n';
1946                     break;
1947                 case 'r':
1948                     c = '\r';
1949                     break;
1950                 case '\\':
1951                 case '\'':
1952                 case '\"':
1953                     break;
1954                 default:
1955                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1956                     goto fail;
1957                 }
1958                 if ((q - buf) < buf_size - 1) {
1959                     *q++ = c;
1960                 }
1961             } else {
1962                 if ((q - buf) < buf_size - 1) {
1963                     *q++ = *p;
1964                 }
1965                 p++;
1966             }
1967         }
1968         if (*p != '\"') {
1969             qemu_printf("unterminated string\n");
1970             goto fail;
1971         }
1972         p++;
1973     } else {
1974         while (*p != '\0' && !isspace(*p)) {
1975             if ((q - buf) < buf_size - 1) {
1976                 *q++ = *p;
1977             }
1978             p++;
1979         }
1980     }
1981     *q = '\0';
1982     *pp = p;
1983     return 0;
1984 }
1985
1986 static int default_fmt_format = 'x';
1987 static int default_fmt_size = 4;
1988
1989 #define MAX_ARGS 16
1990
1991 static void monitor_handle_command(const char *cmdline)
1992 {
1993     const char *p, *pstart, *typestr;
1994     char *q;
1995     int c, nb_args, len, i, has_arg;
1996     term_cmd_t *cmd;
1997     char cmdname[256];
1998     char buf[1024];
1999     void *str_allocated[MAX_ARGS];
2000     void *args[MAX_ARGS];
2001
2002 #ifdef DEBUG
2003     term_printf("command='%s'\n", cmdline);
2004 #endif
2005
2006     /* extract the command name */
2007     p = cmdline;
2008     q = cmdname;
2009     while (isspace(*p))
2010         p++;
2011     if (*p == '\0')
2012         return;
2013     pstart = p;
2014     while (*p != '\0' && *p != '/' && !isspace(*p))
2015         p++;
2016     len = p - pstart;
2017     if (len > sizeof(cmdname) - 1)
2018         len = sizeof(cmdname) - 1;
2019     memcpy(cmdname, pstart, len);
2020     cmdname[len] = '\0';
2021
2022     /* find the command */
2023     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2024         if (compare_cmd(cmdname, cmd->name))
2025             goto found;
2026     }
2027     term_printf("unknown command: '%s'\n", cmdname);
2028     return;
2029  found:
2030
2031     for(i = 0; i < MAX_ARGS; i++)
2032         str_allocated[i] = NULL;
2033
2034     /* parse the parameters */
2035     typestr = cmd->args_type;
2036     nb_args = 0;
2037     for(;;) {
2038         c = *typestr;
2039         if (c == '\0')
2040             break;
2041         typestr++;
2042         switch(c) {
2043         case 'F':
2044         case 'B':
2045         case 's':
2046             {
2047                 int ret;
2048                 char *str;
2049
2050                 while (isspace(*p))
2051                     p++;
2052                 if (*typestr == '?') {
2053                     typestr++;
2054                     if (*p == '\0') {
2055                         /* no optional string: NULL argument */
2056                         str = NULL;
2057                         goto add_str;
2058                     }
2059                 }
2060                 ret = get_str(buf, sizeof(buf), &p);
2061                 if (ret < 0) {
2062                     switch(c) {
2063                     case 'F':
2064                         term_printf("%s: filename expected\n", cmdname);
2065                         break;
2066                     case 'B':
2067                         term_printf("%s: block device name expected\n", cmdname);
2068                         break;
2069                     default:
2070                         term_printf("%s: string expected\n", cmdname);
2071                         break;
2072                     }
2073                     goto fail;
2074                 }
2075                 str = qemu_malloc(strlen(buf) + 1);
2076                 strcpy(str, buf);
2077                 str_allocated[nb_args] = str;
2078             add_str:
2079                 if (nb_args >= MAX_ARGS) {
2080                 error_args:
2081                     term_printf("%s: too many arguments\n", cmdname);
2082                     goto fail;
2083                 }
2084                 args[nb_args++] = str;
2085             }
2086             break;
2087         case '/':
2088             {
2089                 int count, format, size;
2090
2091                 while (isspace(*p))
2092                     p++;
2093                 if (*p == '/') {
2094                     /* format found */
2095                     p++;
2096                     count = 1;
2097                     if (isdigit(*p)) {
2098                         count = 0;
2099                         while (isdigit(*p)) {
2100                             count = count * 10 + (*p - '0');
2101                             p++;
2102                         }
2103                     }
2104                     size = -1;
2105                     format = -1;
2106                     for(;;) {
2107                         switch(*p) {
2108                         case 'o':
2109                         case 'd':
2110                         case 'u':
2111                         case 'x':
2112                         case 'i':
2113                         case 'c':
2114                             format = *p++;
2115                             break;
2116                         case 'b':
2117                             size = 1;
2118                             p++;
2119                             break;
2120                         case 'h':
2121                             size = 2;
2122                             p++;
2123                             break;
2124                         case 'w':
2125                             size = 4;
2126                             p++;
2127                             break;
2128                         case 'g':
2129                         case 'L':
2130                             size = 8;
2131                             p++;
2132                             break;
2133                         default:
2134                             goto next;
2135                         }
2136                     }
2137                 next:
2138                     if (*p != '\0' && !isspace(*p)) {
2139                         term_printf("invalid char in format: '%c'\n", *p);
2140                         goto fail;
2141                     }
2142                     if (format < 0)
2143                         format = default_fmt_format;
2144                     if (format != 'i') {
2145                         /* for 'i', not specifying a size gives -1 as size */
2146                         if (size < 0)
2147                             size = default_fmt_size;
2148                     }
2149                     default_fmt_size = size;
2150                     default_fmt_format = format;
2151                 } else {
2152                     count = 1;
2153                     format = default_fmt_format;
2154                     if (format != 'i') {
2155                         size = default_fmt_size;
2156                     } else {
2157                         size = -1;
2158                     }
2159                 }
2160                 if (nb_args + 3 > MAX_ARGS)
2161                     goto error_args;
2162                 args[nb_args++] = (void*)count;
2163                 args[nb_args++] = (void*)format;
2164                 args[nb_args++] = (void*)size;
2165             }
2166             break;
2167         case 'i':
2168         case 'l':
2169             {
2170                 target_long val;
2171                 while (isspace(*p))
2172                     p++;
2173                 if (*typestr == '?' || *typestr == '.') {
2174                     if (*typestr == '?') {
2175                         if (*p == '\0')
2176                             has_arg = 0;
2177                         else
2178                             has_arg = 1;
2179                     } else {
2180                         if (*p == '.') {
2181                             p++;
2182                             while (isspace(*p))
2183                                 p++;
2184                             has_arg = 1;
2185                         } else {
2186                             has_arg = 0;
2187                         }
2188                     }
2189                     typestr++;
2190                     if (nb_args >= MAX_ARGS)
2191                         goto error_args;
2192                     args[nb_args++] = (void *)has_arg;
2193                     if (!has_arg) {
2194                         if (nb_args >= MAX_ARGS)
2195                             goto error_args;
2196                         val = -1;
2197                         goto add_num;
2198                     }
2199                 }
2200                 if (get_expr(&val, &p))
2201                     goto fail;
2202             add_num:
2203                 if (c == 'i') {
2204                     if (nb_args >= MAX_ARGS)
2205                         goto error_args;
2206                     args[nb_args++] = (void *)(int)val;
2207                 } else {
2208                     if ((nb_args + 1) >= MAX_ARGS)
2209                         goto error_args;
2210 #if TARGET_LONG_BITS == 64
2211                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2212 #else
2213                     args[nb_args++] = (void *)0;
2214 #endif
2215                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2216                 }
2217             }
2218             break;
2219         case '-':
2220             {
2221                 int has_option;
2222                 /* option */
2223
2224                 c = *typestr++;
2225                 if (c == '\0')
2226                     goto bad_type;
2227                 while (isspace(*p))
2228                     p++;
2229                 has_option = 0;
2230                 if (*p == '-') {
2231                     p++;
2232                     if (*p != c) {
2233                         term_printf("%s: unsupported option -%c\n",
2234                                     cmdname, *p);
2235                         goto fail;
2236                     }
2237                     p++;
2238                     has_option = 1;
2239                 }
2240                 if (nb_args >= MAX_ARGS)
2241                     goto error_args;
2242                 args[nb_args++] = (void *)has_option;
2243             }
2244             break;
2245         default:
2246         bad_type:
2247             term_printf("%s: unknown type '%c'\n", cmdname, c);
2248             goto fail;
2249         }
2250     }
2251     /* check that all arguments were parsed */
2252     while (isspace(*p))
2253         p++;
2254     if (*p != '\0') {
2255         term_printf("%s: extraneous characters at the end of line\n",
2256                     cmdname);
2257         goto fail;
2258     }
2259
2260     switch(nb_args) {
2261     case 0:
2262         cmd->handler();
2263         break;
2264     case 1:
2265         cmd->handler(args[0]);
2266         break;
2267     case 2:
2268         cmd->handler(args[0], args[1]);
2269         break;
2270     case 3:
2271         cmd->handler(args[0], args[1], args[2]);
2272         break;
2273     case 4:
2274         cmd->handler(args[0], args[1], args[2], args[3]);
2275         break;
2276     case 5:
2277         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2278         break;
2279     case 6:
2280         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2281         break;
2282     case 7:
2283         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2284         break;
2285     default:
2286         term_printf("unsupported number of arguments: %d\n", nb_args);
2287         goto fail;
2288     }
2289  fail:
2290     for(i = 0; i < MAX_ARGS; i++)
2291         qemu_free(str_allocated[i]);
2292     return;
2293 }
2294
2295 static void cmd_completion(const char *name, const char *list)
2296 {
2297     const char *p, *pstart;
2298     char cmd[128];
2299     int len;
2300
2301     p = list;
2302     for(;;) {
2303         pstart = p;
2304         p = strchr(p, '|');
2305         if (!p)
2306             p = pstart + strlen(pstart);
2307         len = p - pstart;
2308         if (len > sizeof(cmd) - 2)
2309             len = sizeof(cmd) - 2;
2310         memcpy(cmd, pstart, len);
2311         cmd[len] = '\0';
2312         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2313             add_completion(cmd);
2314         }
2315         if (*p == '\0')
2316             break;
2317         p++;
2318     }
2319 }
2320
2321 static void file_completion(const char *input)
2322 {
2323     DIR *ffs;
2324     struct dirent *d;
2325     char path[1024];
2326     char file[1024], file_prefix[1024];
2327     int input_path_len;
2328     const char *p;
2329
2330     p = strrchr(input, '/');
2331     if (!p) {
2332         input_path_len = 0;
2333         pstrcpy(file_prefix, sizeof(file_prefix), input);
2334         strcpy(path, ".");
2335     } else {
2336         input_path_len = p - input + 1;
2337         memcpy(path, input, input_path_len);
2338         if (input_path_len > sizeof(path) - 1)
2339             input_path_len = sizeof(path) - 1;
2340         path[input_path_len] = '\0';
2341         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2342     }
2343 #ifdef DEBUG_COMPLETION
2344     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2345 #endif
2346     ffs = opendir(path);
2347     if (!ffs)
2348         return;
2349     for(;;) {
2350         struct stat sb;
2351         d = readdir(ffs);
2352         if (!d)
2353             break;
2354         if (strstart(d->d_name, file_prefix, NULL)) {
2355             memcpy(file, input, input_path_len);
2356             strcpy(file + input_path_len, d->d_name);
2357             /* stat the file to find out if it's a directory.
2358              * In that case add a slash to speed up typing long paths
2359              */
2360             stat(file, &sb);
2361             if(S_ISDIR(sb.st_mode))
2362                 strcat(file, "/");
2363             add_completion(file);
2364         }
2365     }
2366     closedir(ffs);
2367 }
2368
2369 static void block_completion_it(void *opaque, const char *name)
2370 {
2371     const char *input = opaque;
2372
2373     if (input[0] == '\0' ||
2374         !strncmp(name, (char *)input, strlen(input))) {
2375         add_completion(name);
2376     }
2377 }
2378
2379 /* NOTE: this parser is an approximate form of the real command parser */
2380 static void parse_cmdline(const char *cmdline,
2381                          int *pnb_args, char **args)
2382 {
2383     const char *p;
2384     int nb_args, ret;
2385     char buf[1024];
2386
2387     p = cmdline;
2388     nb_args = 0;
2389     for(;;) {
2390         while (isspace(*p))
2391             p++;
2392         if (*p == '\0')
2393             break;
2394         if (nb_args >= MAX_ARGS)
2395             break;
2396         ret = get_str(buf, sizeof(buf), &p);
2397         args[nb_args] = qemu_strdup(buf);
2398         nb_args++;
2399         if (ret < 0)
2400             break;
2401     }
2402     *pnb_args = nb_args;
2403 }
2404
2405 void readline_find_completion(const char *cmdline)
2406 {
2407     const char *cmdname;
2408     char *args[MAX_ARGS];
2409     int nb_args, i, len;
2410     const char *ptype, *str;
2411     term_cmd_t *cmd;
2412     const KeyDef *key;
2413
2414     parse_cmdline(cmdline, &nb_args, args);
2415 #ifdef DEBUG_COMPLETION
2416     for(i = 0; i < nb_args; i++) {
2417         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2418     }
2419 #endif
2420
2421     /* if the line ends with a space, it means we want to complete the
2422        next arg */
2423     len = strlen(cmdline);
2424     if (len > 0 && isspace(cmdline[len - 1])) {
2425         if (nb_args >= MAX_ARGS)
2426             return;
2427         args[nb_args++] = qemu_strdup("");
2428     }
2429     if (nb_args <= 1) {
2430         /* command completion */
2431         if (nb_args == 0)
2432             cmdname = "";
2433         else
2434             cmdname = args[0];
2435         completion_index = strlen(cmdname);
2436         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2437             cmd_completion(cmdname, cmd->name);
2438         }
2439     } else {
2440         /* find the command */
2441         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2442             if (compare_cmd(args[0], cmd->name))
2443                 goto found;
2444         }
2445         return;
2446     found:
2447         ptype = cmd->args_type;
2448         for(i = 0; i < nb_args - 2; i++) {
2449             if (*ptype != '\0') {
2450                 ptype++;
2451                 while (*ptype == '?')
2452                     ptype++;
2453             }
2454         }
2455         str = args[nb_args - 1];
2456         switch(*ptype) {
2457         case 'F':
2458             /* file completion */
2459             completion_index = strlen(str);
2460             file_completion(str);
2461             break;
2462         case 'B':
2463             /* block device name completion */
2464             completion_index = strlen(str);
2465             bdrv_iterate(block_completion_it, (void *)str);
2466             break;
2467         case 's':
2468             /* XXX: more generic ? */
2469             if (!strcmp(cmd->name, "info")) {
2470                 completion_index = strlen(str);
2471                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2472                     cmd_completion(str, cmd->name);
2473                 }
2474             } else if (!strcmp(cmd->name, "sendkey")) {
2475                 completion_index = strlen(str);
2476                 for(key = key_defs; key->name != NULL; key++) {
2477                     cmd_completion(str, key->name);
2478                 }
2479             }
2480             break;
2481         default:
2482             break;
2483         }
2484     }
2485     for(i = 0; i < nb_args; i++)
2486         qemu_free(args[i]);
2487 }
2488
2489 static int term_can_read(void *opaque)
2490 {
2491     return 128;
2492 }
2493
2494 static void term_read(void *opaque, const uint8_t *buf, int size)
2495 {
2496     int i;
2497     for(i = 0; i < size; i++)
2498         readline_handle_byte(buf[i]);
2499 }
2500
2501 static int monitor_suspended;
2502
2503 void monitor_suspend(void)
2504 {
2505     monitor_suspended = 1;
2506 }
2507
2508 void monitor_resume(void)
2509 {
2510     monitor_suspended = 0;
2511     monitor_start_input();
2512 }
2513
2514 static void monitor_start_input(void);
2515
2516 static void monitor_handle_command1(void *opaque, const char *cmdline)
2517 {
2518     monitor_handle_command(cmdline);
2519     if (!monitor_suspended)
2520         monitor_start_input();
2521 }
2522
2523 static void monitor_start_input(void)
2524 {
2525     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2526 }
2527
2528 static void term_event(void *opaque, int event)
2529 {
2530     if (event != CHR_EVENT_RESET)
2531         return;
2532
2533     if (!hide_banner)
2534             term_printf("QEMU %s monitor - type 'help' for more information\n",
2535                         QEMU_VERSION);
2536     monitor_start_input();
2537 }
2538
2539 void monitor_init(CharDriverState *hd, int show_banner)
2540 {
2541     monitor_hd = hd;
2542     hide_banner = !show_banner;
2543
2544     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2545 }
2546
2547 /* XXX: use threads ? */
2548 /* modal monitor readline */
2549 static int monitor_readline_started;
2550 static char *monitor_readline_buf;
2551 static int monitor_readline_buf_size;
2552
2553 static void monitor_readline_cb(void *opaque, const char *input)
2554 {
2555     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2556     monitor_readline_started = 0;
2557 }
2558
2559 void monitor_readline(const char *prompt, int is_password,
2560                       char *buf, int buf_size)
2561 {
2562     if (is_password) {
2563         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2564     }
2565     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2566     monitor_readline_buf = buf;
2567     monitor_readline_buf_size = buf_size;
2568     monitor_readline_started = 1;
2569     while (monitor_readline_started) {
2570         main_loop_wait(10);
2571     }
2572 }