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 "hw/hw.h"
  25 #include "hw/usb.h"
  26 #include "hw/pcmcia.h"
  27 #include "hw/pc.h"
  28 #include "hw/pci.h"
  29 #include "gdbstub.h"
  30 #include "net.h"
  31 #include "qemu-char.h"
  32 #include "sysemu.h"
  33 #include "console.h"
  34 #include "block.h"
  35 #include "audio/audio.h"
  36 #include "disas.h"
  37 #include "migration.h"
  38 #include <dirent.h>
  39
  40 #include "qemu-kvm.h"
  41 #ifdef CONFIG_PROFILER
  42 #include "qemu-timer.h" /* for ticks_per_sec */
  43 #endif
  44
  45 //#define DEBUG
  46 //#define DEBUG_COMPLETION
  47
  48 #ifndef offsetof
  49 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  50 #endif
  51
  52 /*
  53  * Supported types:
  54  *
  55  * 'F'          filename
  56  * 'B'          block device name
  57  * 's'          string (accept optional quote)
  58  * 'i'          32 bit integer
  59  * 'l'          target long (32 or 64 bit)
  60  * '/'          optional gdb-like print format (like "/10x")
  61  *
  62  * '?'          optional type (for 'F', 's' and 'i')
  63  *
  64  */
  65
  66 typedef struct term_cmd_t {
  67     const char *name;
  68     const char *args_type;
  69     void (*handler)();
  70     const char *params;
  71     const char *help;
  72 } term_cmd_t;
  73
  74 #define MAX_MON 4
  75 static CharDriverState *monitor_hd[MAX_MON];
  76 static int hide_banner;
  77
  78 static term_cmd_t term_cmds[];
  79 static term_cmd_t info_cmds[];
  80
  81 static uint8_t term_outbuf[1024];
  82 static int term_outbuf_index;
  83
  84 static void monitor_start_input(void);
  85
  86 CPUState *mon_cpu = NULL;
  87
  88 void term_flush(void)
  89 {
  90     int i;
  91     if (term_outbuf_index > 0) {
  92         for (i = 0; i < MAX_MON; i++)
  93             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  94                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  95         term_outbuf_index = 0;
  96     }
  97 }
  98
  99 /* flush at every end of line or if the buffer is full */
 100 void term_puts(const char *str)
 101 {
 102     char c;
 103     for(;;) {
 104         c = *str++;
 105         if (c == '\0')
 106             break;
 107         if (c == '\n')
 108             term_outbuf[term_outbuf_index++] = '\r';
 109         term_outbuf[term_outbuf_index++] = c;
 110         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 111             c == '\n')
 112             term_flush();
 113     }
 114 }
 115
 116 void term_vprintf(const char *fmt, va_list ap)
 117 {
 118     char buf[4096];
 119     vsnprintf(buf, sizeof(buf), fmt, ap);
 120     term_puts(buf);
 121 }
 122
 123 void term_printf(const char *fmt, ...)
 124 {
 125     va_list ap;
 126     va_start(ap, fmt);
 127     term_vprintf(fmt, ap);
 128     va_end(ap);
 129 }
 130
 131 void term_print_filename(const char *filename)
 132 {
 133     int i;
 134
 135     for (i = 0; filename[i]; i++) {
 136         switch (filename[i]) {
 137         case ' ':
 138         case '"':
 139         case '\\':
 140             term_printf("\\%c", filename[i]);
 141             break;
 142         case '\t':
 143             term_printf("\\t");
 144             break;
 145         case '\r':
 146             term_printf("\\r");
 147             break;
 148         case '\n':
 149             term_printf("\\n");
 150             break;
 151         default:
 152             term_printf("%c", filename[i]);
 153             break;
 154         }
 155     }
 156 }
 157
 158 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 159 {
 160     va_list ap;
 161     va_start(ap, fmt);
 162     term_vprintf(fmt, ap);
 163     va_end(ap);
 164     return 0;
 165 }
 166
 167 static int compare_cmd(const char *name, const char *list)
 168 {
 169     const char *p, *pstart;
 170     int len;
 171     len = strlen(name);
 172     p = list;
 173     for(;;) {
 174         pstart = p;
 175         p = strchr(p, '|');
 176         if (!p)
 177             p = pstart + strlen(pstart);
 178         if ((p - pstart) == len && !memcmp(pstart, name, len))
 179             return 1;
 180         if (*p == '\0')
 181             break;
 182         p++;
 183     }
 184     return 0;
 185 }
 186
 187 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 188 {
 189     term_cmd_t *cmd;
 190
 191     for(cmd = cmds; cmd->name != NULL; cmd++) {
 192         if (!name || !strcmp(name, cmd->name))
 193             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 194     }
 195 }
 196
 197 static void help_cmd(const char *name)
 198 {
 199     if (name && !strcmp(name, "info")) {
 200         help_cmd1(info_cmds, "info ", NULL);
 201     } else {
 202         help_cmd1(term_cmds, "", name);
 203         if (name && !strcmp(name, "log")) {
 204             CPULogItem *item;
 205             term_printf("Log items (comma separated):\n");
 206             term_printf("%-10s %s\n", "none", "remove all logs");
 207             for(item = cpu_log_items; item->mask != 0; item++) {
 208                 term_printf("%-10s %s\n", item->name, item->help);
 209             }
 210         }
 211     }
 212 }
 213
 214 static void do_help(const char *name)
 215 {
 216     help_cmd(name);
 217 }
 218
 219 static void do_commit(const char *device)
 220 {
 221     int i, all_devices;
 222
 223     all_devices = !strcmp(device, "all");
 224     for (i = 0; i < nb_drives; i++) {
 225             if (all_devices ||
 226                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 227                 bdrv_commit(drives_table[i].bdrv);
 228     }
 229 }
 230
 231 static void do_info(const char *item)
 232 {
 233     term_cmd_t *cmd;
 234
 235     if (!item)
 236         goto help;
 237     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 238         if (compare_cmd(item, cmd->name))
 239             goto found;
 240     }
 241  help:
 242     help_cmd("info");
 243     return;
 244  found:
 245     cmd->handler();
 246 }
 247
 248 static void do_info_version(void)
 249 {
 250   term_printf("%s\n", QEMU_VERSION);
 251 }
 252
 253 static void do_info_name(void)
 254 {
 255     if (qemu_name)
 256         term_printf("%s\n", qemu_name);
 257 }
 258
 259 static void do_info_block(void)
 260 {
 261     bdrv_info();
 262 }
 263
 264 static void do_info_blockstats(void)
 265 {
 266     bdrv_info_stats();
 267 }
 268
 269 /* get the current CPU defined by the user */
 270 static int mon_set_cpu(int cpu_index)
 271 {
 272     CPUState *env;
 273
 274     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 275         if (env->cpu_index == cpu_index) {
 276             mon_cpu = env;
 277             return 0;
 278         }
 279     }
 280     return -1;
 281 }
 282
 283 static CPUState *mon_get_cpu(void)
 284 {
 285     if (!mon_cpu) {
 286         mon_set_cpu(0);
 287     }
 288
 289     if (kvm_enabled())
 290         kvm_save_registers(mon_cpu);
 291
 292     return mon_cpu;
 293 }
 294
 295 static void do_info_registers(void)
 296 {
 297     CPUState *env;
 298     env = mon_get_cpu();
 299     if (!env)
 300         return;
 301 #ifdef TARGET_I386
 302     cpu_dump_state(env, NULL, monitor_fprintf,
 303                    X86_DUMP_FPU);
 304 #else
 305     cpu_dump_state(env, NULL, monitor_fprintf,
 306                    0);
 307 #endif
 308 }
 309
 310 static void do_info_cpus(void)
 311 {
 312     CPUState *env;
 313
 314     /* just to set the default cpu if not already done */
 315     mon_get_cpu();
 316
 317     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 318         term_printf("%c CPU #%d:",
 319                     (env == mon_cpu) ? '*' : ' ',
 320                     env->cpu_index);
 321 #if defined(TARGET_I386)
 322         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 323         if (env->hflags & HF_HALTED_MASK)
 324             term_printf(" (halted)");
 325 #elif defined(TARGET_PPC)
 326         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 327         if (env->halted)
 328             term_printf(" (halted)");
 329 #elif defined(TARGET_SPARC)
 330         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 331         if (env->halted)
 332             term_printf(" (halted)");
 333 #elif defined(TARGET_MIPS)
 334         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 335         if (env->halted)
 336             term_printf(" (halted)");
 337 #endif
 338         term_printf("\n");
 339     }
 340 }
 341
 342 static void do_cpu_set(int index)
 343 {
 344     if (mon_set_cpu(index) < 0)
 345         term_printf("Invalid CPU index\n");
 346 }
 347
 348 static void do_cpu_set_nr(int value, const char *status)
 349 {
 350     int state;
 351
 352     if (!strcmp(status, "online"))
 353        state = 1;
 354     else if (!strcmp(status, "offline"))
 355        state = 0;
 356     else {
 357        term_printf("invalid status: %s\n", status);
 358        return;
 359     }
 360 #if defined(TARGET_I386) || defined(TARGET_X86_64)
 361     qemu_system_cpu_hot_add(value, state);
 362 #endif
 363 }
 364
 365 static void do_info_jit(void)
 366 {
 367     dump_exec_info(NULL, monitor_fprintf);
 368 }
 369
 370 static void do_info_history (void)
 371 {
 372     int i;
 373     const char *str;
 374
 375     i = 0;
 376     for(;;) {
 377         str = readline_get_history(i);
 378         if (!str)
 379             break;
 380         term_printf("%d: '%s'\n", i, str);
 381         i++;
 382     }
 383 }
 384
 385 #if defined(TARGET_PPC)
 386 /* XXX: not implemented in other targets */
 387 static void do_info_cpu_stats (void)
 388 {
 389     CPUState *env;
 390
 391     env = mon_get_cpu();
 392     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 393 }
 394 #endif
 395
 396 static void do_quit(void)
 397 {
 398     exit(0);
 399 }
 400
 401 static int eject_device(BlockDriverState *bs, int force)
 402 {
 403     if (bdrv_is_inserted(bs)) {
 404         if (!force) {
 405             if (!bdrv_is_removable(bs)) {
 406                 term_printf("device is not removable\n");
 407                 return -1;
 408             }
 409             if (bdrv_is_locked(bs)) {
 410                 term_printf("device is locked\n");
 411                 return -1;
 412             }
 413         }
 414         bdrv_close(bs);
 415     }
 416     return 0;
 417 }
 418
 419 static void do_eject(int force, const char *filename)
 420 {
 421     BlockDriverState *bs;
 422
 423     bs = bdrv_find(filename);
 424     if (!bs) {
 425         term_printf("device not found\n");
 426         return;
 427     }
 428     eject_device(bs, force);
 429 }
 430
 431 static void do_change_block(const char *device, const char *filename)
 432 {
 433     BlockDriverState *bs;
 434
 435     bs = bdrv_find(device);
 436     if (!bs) {
 437         term_printf("device not found\n");
 438         return;
 439     }
 440     if (eject_device(bs, 0) < 0)
 441         return;
 442     bdrv_open(bs, filename, 0);
 443     qemu_key_check(bs, filename);
 444 }
 445
 446 static void do_change_vnc(const char *target)
 447 {
 448     if (strcmp(target, "passwd") == 0 ||
 449         strcmp(target, "password") == 0) {
 450         char password[9];
 451         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 452         password[sizeof(password)-1] = '\0';
 453         if (vnc_display_password(NULL, password) < 0)
 454             term_printf("could not set VNC server password\n");
 455     } else {
 456         if (vnc_display_open(NULL, target) < 0)
 457             term_printf("could not start VNC server on %s\n", target);
 458     }
 459 }
 460
 461 static void do_change(const char *device, const char *target)
 462 {
 463     if (strcmp(device, "vnc") == 0) {
 464         do_change_vnc(target);
 465     } else {
 466         do_change_block(device, target);
 467     }
 468 }
 469
 470 static void do_screen_dump(const char *filename)
 471 {
 472     vga_hw_screen_dump(filename);
 473 }
 474
 475 static void do_logfile(const char *filename)
 476 {
 477     cpu_set_log_filename(filename);
 478 }
 479
 480 static void do_log(const char *items)
 481 {
 482     int mask;
 483
 484     if (!strcmp(items, "none")) {
 485         mask = 0;
 486     } else {
 487         mask = cpu_str_to_log_mask(items);
 488         if (!mask) {
 489             help_cmd("log");
 490             return;
 491         }
 492     }
 493     cpu_set_log(mask);
 494 }
 495
 496 static void do_stop(void)
 497 {
 498     vm_stop(EXCP_INTERRUPT);
 499 }
 500
 501 static void do_cont(void)
 502 {
 503     vm_start();
 504 }
 505
 506 #ifdef CONFIG_GDBSTUB
 507 static void do_gdbserver(const char *port)
 508 {
 509     if (!port)
 510         port = DEFAULT_GDBSTUB_PORT;
 511     if (gdbserver_start(port) < 0) {
 512         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 513     } else {
 514         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 515     }
 516 }
 517 #endif
 518
 519 static void term_printc(int c)
 520 {
 521     term_printf("'");
 522     switch(c) {
 523     case '\'':
 524         term_printf("\\'");
 525         break;
 526     case '\\':
 527         term_printf("\\\\");
 528         break;
 529     case '\n':
 530         term_printf("\\n");
 531         break;
 532     case '\r':
 533         term_printf("\\r");
 534         break;
 535     default:
 536         if (c >= 32 && c <= 126) {
 537             term_printf("%c", c);
 538         } else {
 539             term_printf("\\x%02x", c);
 540         }
 541         break;
 542     }
 543     term_printf("'");
 544 }
 545
 546 static void memory_dump(int count, int format, int wsize,
 547                         target_phys_addr_t addr, int is_physical)
 548 {
 549     CPUState *env;
 550     int nb_per_line, l, line_size, i, max_digits, len;
 551     uint8_t buf[16];
 552     uint64_t v;
 553
 554     if (format == 'i') {
 555         int flags;
 556         flags = 0;
 557         env = mon_get_cpu();
 558         if (!env && !is_physical)
 559             return;
 560 #ifdef TARGET_I386
 561         if (wsize == 2) {
 562             flags = 1;
 563         } else if (wsize == 4) {
 564             flags = 0;
 565         } else {
 566             /* as default we use the current CS size */
 567             flags = 0;
 568             if (env) {
 569 #ifdef TARGET_X86_64
 570                 if ((env->efer & MSR_EFER_LMA) &&
 571                     (env->segs[R_CS].flags & DESC_L_MASK))
 572                     flags = 2;
 573                 else
 574 #endif
 575                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 576                     flags = 1;
 577             }
 578         }
 579 #endif
 580         monitor_disas(env, addr, count, is_physical, flags);
 581         return;
 582     }
 583
 584     len = wsize * count;
 585     if (wsize == 1)
 586         line_size = 8;
 587     else
 588         line_size = 16;
 589     nb_per_line = line_size / wsize;
 590     max_digits = 0;
 591
 592     switch(format) {
 593     case 'o':
 594         max_digits = (wsize * 8 + 2) / 3;
 595         break;
 596     default:
 597     case 'x':
 598         max_digits = (wsize * 8) / 4;
 599         break;
 600     case 'u':
 601     case 'd':
 602         max_digits = (wsize * 8 * 10 + 32) / 33;
 603         break;
 604     case 'c':
 605         wsize = 1;
 606         break;
 607     }
 608
 609     while (len > 0) {
 610         if (is_physical)
 611             term_printf(TARGET_FMT_plx ":", addr);
 612         else
 613             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 614         l = len;
 615         if (l > line_size)
 616             l = line_size;
 617         if (is_physical) {
 618             cpu_physical_memory_rw(addr, buf, l, 0);
 619         } else {
 620             env = mon_get_cpu();
 621             if (!env)
 622                 break;
 623             cpu_memory_rw_debug(env, addr, buf, l, 0);
 624         }
 625         i = 0;
 626         while (i < l) {
 627             switch(wsize) {
 628             default:
 629             case 1:
 630                 v = ldub_raw(buf + i);
 631                 break;
 632             case 2:
 633                 v = lduw_raw(buf + i);
 634                 break;
 635             case 4:
 636                 v = (uint32_t)ldl_raw(buf + i);
 637                 break;
 638             case 8:
 639                 v = ldq_raw(buf + i);
 640                 break;
 641             }
 642             term_printf(" ");
 643             switch(format) {
 644             case 'o':
 645                 term_printf("%#*" PRIo64, max_digits, v);
 646                 break;
 647             case 'x':
 648                 term_printf("0x%0*" PRIx64, max_digits, v);
 649                 break;
 650             case 'u':
 651                 term_printf("%*" PRIu64, max_digits, v);
 652                 break;
 653             case 'd':
 654                 term_printf("%*" PRId64, max_digits, v);
 655                 break;
 656             case 'c':
 657                 term_printc(v);
 658                 break;
 659             }
 660             i += wsize;
 661         }
 662         term_printf("\n");
 663         addr += l;
 664         len -= l;
 665     }
 666 }
 667
 668 #if TARGET_LONG_BITS == 64
 669 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 670 #else
 671 #define GET_TLONG(h, l) (l)
 672 #endif
 673
 674 static void do_memory_dump(int count, int format, int size,
 675                            uint32_t addrh, uint32_t addrl)
 676 {
 677     target_long addr = GET_TLONG(addrh, addrl);
 678     memory_dump(count, format, size, addr, 0);
 679 }
 680
 681 #if TARGET_PHYS_ADDR_BITS > 32
 682 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 683 #else
 684 #define GET_TPHYSADDR(h, l) (l)
 685 #endif
 686
 687 static void do_physical_memory_dump(int count, int format, int size,
 688                                     uint32_t addrh, uint32_t addrl)
 689
 690 {
 691     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 692     memory_dump(count, format, size, addr, 1);
 693 }
 694
 695 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 696 {
 697     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 698 #if TARGET_PHYS_ADDR_BITS == 32
 699     switch(format) {
 700     case 'o':
 701         term_printf("%#o", val);
 702         break;
 703     case 'x':
 704         term_printf("%#x", val);
 705         break;
 706     case 'u':
 707         term_printf("%u", val);
 708         break;
 709     default:
 710     case 'd':
 711         term_printf("%d", val);
 712         break;
 713     case 'c':
 714         term_printc(val);
 715         break;
 716     }
 717 #else
 718     switch(format) {
 719     case 'o':
 720         term_printf("%#" PRIo64, val);
 721         break;
 722     case 'x':
 723         term_printf("%#" PRIx64, val);
 724         break;
 725     case 'u':
 726         term_printf("%" PRIu64, val);
 727         break;
 728     default:
 729     case 'd':
 730         term_printf("%" PRId64, val);
 731         break;
 732     case 'c':
 733         term_printc(val);
 734         break;
 735     }
 736 #endif
 737     term_printf("\n");
 738 }
 739
 740 static void do_memory_save(unsigned int valh, unsigned int vall,
 741                            uint32_t size, const char *filename)
 742 {
 743     FILE *f;
 744     target_long addr = GET_TLONG(valh, vall);
 745     uint32_t l;
 746     CPUState *env;
 747     uint8_t buf[1024];
 748
 749     env = mon_get_cpu();
 750     if (!env)
 751         return;
 752
 753     f = fopen(filename, "wb");
 754     if (!f) {
 755         term_printf("could not open '%s'\n", filename);
 756         return;
 757     }
 758     while (size != 0) {
 759         l = sizeof(buf);
 760         if (l > size)
 761             l = size;
 762         cpu_memory_rw_debug(env, addr, buf, l, 0);
 763         fwrite(buf, 1, l, f);
 764         addr += l;
 765         size -= l;
 766     }
 767     fclose(f);
 768 }
 769
 770 static void do_sum(uint32_t start, uint32_t size)
 771 {
 772     uint32_t addr;
 773     uint8_t buf[1];
 774     uint16_t sum;
 775
 776     sum = 0;
 777     for(addr = start; addr < (start + size); addr++) {
 778         cpu_physical_memory_rw(addr, buf, 1, 0);
 779         /* BSD sum algorithm ('sum' Unix command) */
 780         sum = (sum >> 1) | (sum << 15);
 781         sum += buf[0];
 782     }
 783     term_printf("%05d\n", sum);
 784 }
 785
 786 typedef struct {
 787     int keycode;
 788     const char *name;
 789 } KeyDef;
 790
 791 static const KeyDef key_defs[] = {
 792     { 0x2a, "shift" },
 793     { 0x36, "shift_r" },
 794
 795     { 0x38, "alt" },
 796     { 0xb8, "alt_r" },
 797     { 0x1d, "ctrl" },
 798     { 0x9d, "ctrl_r" },
 799
 800     { 0xdd, "menu" },
 801
 802     { 0x01, "esc" },
 803
 804     { 0x02, "1" },
 805     { 0x03, "2" },
 806     { 0x04, "3" },
 807     { 0x05, "4" },
 808     { 0x06, "5" },
 809     { 0x07, "6" },
 810     { 0x08, "7" },
 811     { 0x09, "8" },
 812     { 0x0a, "9" },
 813     { 0x0b, "0" },
 814     { 0x0c, "minus" },
 815     { 0x0d, "equal" },
 816     { 0x0e, "backspace" },
 817
 818     { 0x0f, "tab" },
 819     { 0x10, "q" },
 820     { 0x11, "w" },
 821     { 0x12, "e" },
 822     { 0x13, "r" },
 823     { 0x14, "t" },
 824     { 0x15, "y" },
 825     { 0x16, "u" },
 826     { 0x17, "i" },
 827     { 0x18, "o" },
 828     { 0x19, "p" },
 829
 830     { 0x1c, "ret" },
 831
 832     { 0x1e, "a" },
 833     { 0x1f, "s" },
 834     { 0x20, "d" },
 835     { 0x21, "f" },
 836     { 0x22, "g" },
 837     { 0x23, "h" },
 838     { 0x24, "j" },
 839     { 0x25, "k" },
 840     { 0x26, "l" },
 841
 842     { 0x2c, "z" },
 843     { 0x2d, "x" },
 844     { 0x2e, "c" },
 845     { 0x2f, "v" },
 846     { 0x30, "b" },
 847     { 0x31, "n" },
 848     { 0x32, "m" },
 849
 850     { 0x37, "asterisk" },
 851
 852     { 0x39, "spc" },
 853     { 0x3a, "caps_lock" },
 854     { 0x3b, "f1" },
 855     { 0x3c, "f2" },
 856     { 0x3d, "f3" },
 857     { 0x3e, "f4" },
 858     { 0x3f, "f5" },
 859     { 0x40, "f6" },
 860     { 0x41, "f7" },
 861     { 0x42, "f8" },
 862     { 0x43, "f9" },
 863     { 0x44, "f10" },
 864     { 0x45, "num_lock" },
 865     { 0x46, "scroll_lock" },
 866
 867     { 0xb5, "kp_divide" },
 868     { 0x37, "kp_multiply" },
 869     { 0x4a, "kp_subtract" },
 870     { 0x4e, "kp_add" },
 871     { 0x9c, "kp_enter" },
 872     { 0x53, "kp_decimal" },
 873
 874     { 0x52, "kp_0" },
 875     { 0x4f, "kp_1" },
 876     { 0x50, "kp_2" },
 877     { 0x51, "kp_3" },
 878     { 0x4b, "kp_4" },
 879     { 0x4c, "kp_5" },
 880     { 0x4d, "kp_6" },
 881     { 0x47, "kp_7" },
 882     { 0x48, "kp_8" },
 883     { 0x49, "kp_9" },
 884
 885     { 0x56, "<" },
 886
 887     { 0x57, "f11" },
 888     { 0x58, "f12" },
 889
 890     { 0xb7, "print" },
 891
 892     { 0xc7, "home" },
 893     { 0xc9, "pgup" },
 894     { 0xd1, "pgdn" },
 895     { 0xcf, "end" },
 896
 897     { 0xcb, "left" },
 898     { 0xc8, "up" },
 899     { 0xd0, "down" },
 900     { 0xcd, "right" },
 901
 902     { 0xd2, "insert" },
 903     { 0xd3, "delete" },
 904     { 0, NULL },
 905 };
 906
 907 static int get_keycode(const char *key)
 908 {
 909     const KeyDef *p;
 910     char *endp;
 911     int ret;
 912
 913     for(p = key_defs; p->name != NULL; p++) {
 914         if (!strcmp(key, p->name))
 915             return p->keycode;
 916     }
 917     if (strstart(key, "0x", NULL)) {
 918         ret = strtoul(key, &endp, 0);
 919         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 920             return ret;
 921     }
 922     return -1;
 923 }
 924
 925 static void do_send_key(const char *string)
 926 {
 927     char keybuf[16], *q;
 928     uint8_t keycodes[16];
 929     const char *p;
 930     int nb_keycodes, keycode, i;
 931
 932     nb_keycodes = 0;
 933     p = string;
 934     while (*p != '\0') {
 935         q = keybuf;
 936         while (*p != '\0' && *p != '-') {
 937             if ((q - keybuf) < sizeof(keybuf) - 1) {
 938                 *q++ = *p;
 939             }
 940             p++;
 941         }
 942         *q = '\0';
 943         keycode = get_keycode(keybuf);
 944         if (keycode < 0) {
 945             term_printf("unknown key: '%s'\n", keybuf);
 946             return;
 947         }
 948         keycodes[nb_keycodes++] = keycode;
 949         if (*p == '\0')
 950             break;
 951         p++;
 952     }
 953     /* key down events */
 954     for(i = 0; i < nb_keycodes; i++) {
 955         keycode = keycodes[i];
 956         if (keycode & 0x80)
 957             kbd_put_keycode(0xe0);
 958         kbd_put_keycode(keycode & 0x7f);
 959     }
 960     /* key up events */
 961     for(i = nb_keycodes - 1; i >= 0; i--) {
 962         keycode = keycodes[i];
 963         if (keycode & 0x80)
 964             kbd_put_keycode(0xe0);
 965         kbd_put_keycode(keycode | 0x80);
 966     }
 967 }
 968
 969 static int mouse_button_state;
 970
 971 static void do_mouse_move(const char *dx_str, const char *dy_str,
 972                           const char *dz_str)
 973 {
 974     int dx, dy, dz;
 975     dx = strtol(dx_str, NULL, 0);
 976     dy = strtol(dy_str, NULL, 0);
 977     dz = 0;
 978     if (dz_str)
 979         dz = strtol(dz_str, NULL, 0);
 980     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 981 }
 982
 983 static void do_mouse_button(int button_state)
 984 {
 985     mouse_button_state = button_state;
 986     kbd_mouse_event(0, 0, 0, mouse_button_state);
 987 }
 988
 989 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 990 {
 991     uint32_t val;
 992     int suffix;
 993
 994     if (has_index) {
 995         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 996         addr++;
 997     }
 998     addr &= 0xffff;
 999
1000     switch(size) {
1001     default:
1002     case 1:
1003         val = cpu_inb(NULL, addr);
1004         suffix = 'b';
1005         break;
1006     case 2:
1007         val = cpu_inw(NULL, addr);
1008         suffix = 'w';
1009         break;
1010     case 4:
1011         val = cpu_inl(NULL, addr);
1012         suffix = 'l';
1013         break;
1014     }
1015     term_printf("port%c[0x%04x] = %#0*x\n",
1016                 suffix, addr, size * 2, val);
1017 }
1018
1019 static void do_system_reset(void)
1020 {
1021     qemu_system_reset_request();
1022 }
1023
1024 static void do_system_powerdown(void)
1025 {
1026     qemu_system_powerdown_request();
1027 }
1028
1029 #if defined(TARGET_I386)
1030 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1031 {
1032     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1033                 addr,
1034                 pte & mask,
1035                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1036                 pte & PG_PSE_MASK ? 'P' : '-',
1037                 pte & PG_DIRTY_MASK ? 'D' : '-',
1038                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1039                 pte & PG_PCD_MASK ? 'C' : '-',
1040                 pte & PG_PWT_MASK ? 'T' : '-',
1041                 pte & PG_USER_MASK ? 'U' : '-',
1042                 pte & PG_RW_MASK ? 'W' : '-');
1043 }
1044
1045 static void tlb_info(void)
1046 {
1047     CPUState *env;
1048     int l1, l2;
1049     uint32_t pgd, pde, pte;
1050
1051     env = mon_get_cpu();
1052     if (!env)
1053         return;
1054
1055     if (!(env->cr[0] & CR0_PG_MASK)) {
1056         term_printf("PG disabled\n");
1057         return;
1058     }
1059     pgd = env->cr[3] & ~0xfff;
1060     for(l1 = 0; l1 < 1024; l1++) {
1061         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1062         pde = le32_to_cpu(pde);
1063         if (pde & PG_PRESENT_MASK) {
1064             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1065                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1066             } else {
1067                 for(l2 = 0; l2 < 1024; l2++) {
1068                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1069                                              (uint8_t *)&pte, 4);
1070                     pte = le32_to_cpu(pte);
1071                     if (pte & PG_PRESENT_MASK) {
1072                         print_pte((l1 << 22) + (l2 << 12),
1073                                   pte & ~PG_PSE_MASK,
1074                                   ~0xfff);
1075                     }
1076                 }
1077             }
1078         }
1079     }
1080 }
1081
1082 static void mem_print(uint32_t *pstart, int *plast_prot,
1083                       uint32_t end, int prot)
1084 {
1085     int prot1;
1086     prot1 = *plast_prot;
1087     if (prot != prot1) {
1088         if (*pstart != -1) {
1089             term_printf("%08x-%08x %08x %c%c%c\n",
1090                         *pstart, end, end - *pstart,
1091                         prot1 & PG_USER_MASK ? 'u' : '-',
1092                         'r',
1093                         prot1 & PG_RW_MASK ? 'w' : '-');
1094         }
1095         if (prot != 0)
1096             *pstart = end;
1097         else
1098             *pstart = -1;
1099         *plast_prot = prot;
1100     }
1101 }
1102
1103 static void mem_info(void)
1104 {
1105     CPUState *env;
1106     int l1, l2, prot, last_prot;
1107     uint32_t pgd, pde, pte, start, end;
1108
1109     env = mon_get_cpu();
1110     if (!env)
1111         return;
1112
1113     if (!(env->cr[0] & CR0_PG_MASK)) {
1114         term_printf("PG disabled\n");
1115         return;
1116     }
1117     pgd = env->cr[3] & ~0xfff;
1118     last_prot = 0;
1119     start = -1;
1120     for(l1 = 0; l1 < 1024; l1++) {
1121         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1122         pde = le32_to_cpu(pde);
1123         end = l1 << 22;
1124         if (pde & PG_PRESENT_MASK) {
1125             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1126                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1127                 mem_print(&start, &last_prot, end, prot);
1128             } else {
1129                 for(l2 = 0; l2 < 1024; l2++) {
1130                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1131                                              (uint8_t *)&pte, 4);
1132                     pte = le32_to_cpu(pte);
1133                     end = (l1 << 22) + (l2 << 12);
1134                     if (pte & PG_PRESENT_MASK) {
1135                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1136                     } else {
1137                         prot = 0;
1138                     }
1139                     mem_print(&start, &last_prot, end, prot);
1140                 }
1141             }
1142         } else {
1143             prot = 0;
1144             mem_print(&start, &last_prot, end, prot);
1145         }
1146     }
1147 }
1148 #endif
1149
1150 static void do_info_kqemu(void)
1151 {
1152 #ifdef USE_KQEMU
1153     CPUState *env;
1154     int val;
1155     val = 0;
1156     env = mon_get_cpu();
1157     if (!env) {
1158         term_printf("No cpu initialized yet");
1159         return;
1160     }
1161     val = env->kqemu_enabled;
1162     term_printf("kqemu support: ");
1163     switch(val) {
1164     default:
1165     case 0:
1166         term_printf("disabled\n");
1167         break;
1168     case 1:
1169         term_printf("enabled for user code\n");
1170         break;
1171     case 2:
1172         term_printf("enabled for user and kernel code\n");
1173         break;
1174     }
1175 #else
1176     term_printf("kqemu support: not compiled\n");
1177 #endif
1178 }
1179
1180 #ifdef CONFIG_PROFILER
1181
1182 int64_t kqemu_time;
1183 int64_t qemu_time;
1184 int64_t kqemu_exec_count;
1185 int64_t dev_time;
1186 int64_t kqemu_ret_int_count;
1187 int64_t kqemu_ret_excp_count;
1188 int64_t kqemu_ret_intr_count;
1189
1190 static void do_info_profile(void)
1191 {
1192     int64_t total;
1193     total = qemu_time;
1194     if (total == 0)
1195         total = 1;
1196     term_printf("async time  %" PRId64 " (%0.3f)\n",
1197                 dev_time, dev_time / (double)ticks_per_sec);
1198     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1199                 qemu_time, qemu_time / (double)ticks_per_sec);
1200     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1201                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1202                 kqemu_time / (double)total * 100.0,
1203                 kqemu_exec_count,
1204                 kqemu_ret_int_count,
1205                 kqemu_ret_excp_count,
1206                 kqemu_ret_intr_count);
1207     qemu_time = 0;
1208     kqemu_time = 0;
1209     kqemu_exec_count = 0;
1210     dev_time = 0;
1211     kqemu_ret_int_count = 0;
1212     kqemu_ret_excp_count = 0;
1213     kqemu_ret_intr_count = 0;
1214 #ifdef USE_KQEMU
1215     kqemu_record_dump();
1216 #endif
1217 }
1218 #else
1219 static void do_info_profile(void)
1220 {
1221     term_printf("Internal profiler not compiled\n");
1222 }
1223 #endif
1224
1225 /* Capture support */
1226 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1227
1228 static void do_info_capture (void)
1229 {
1230     int i;
1231     CaptureState *s;
1232
1233     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1234         term_printf ("[%d]: ", i);
1235         s->ops.info (s->opaque);
1236     }
1237 }
1238
1239 static void do_stop_capture (int n)
1240 {
1241     int i;
1242     CaptureState *s;
1243
1244     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1245         if (i == n) {
1246             s->ops.destroy (s->opaque);
1247             LIST_REMOVE (s, entries);
1248             qemu_free (s);
1249             return;
1250         }
1251     }
1252 }
1253
1254 #ifdef HAS_AUDIO
1255 int wav_start_capture (CaptureState *s, const char *path, int freq,
1256                        int bits, int nchannels);
1257
1258 static void do_wav_capture (const char *path,
1259                             int has_freq, int freq,
1260                             int has_bits, int bits,
1261                             int has_channels, int nchannels)
1262 {
1263     CaptureState *s;
1264
1265     s = qemu_mallocz (sizeof (*s));
1266     if (!s) {
1267         term_printf ("Not enough memory to add wave capture\n");
1268         return;
1269     }
1270
1271     freq = has_freq ? freq : 44100;
1272     bits = has_bits ? bits : 16;
1273     nchannels = has_channels ? nchannels : 2;
1274
1275     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1276         term_printf ("Faied to add wave capture\n");
1277         qemu_free (s);
1278     }
1279     LIST_INSERT_HEAD (&capture_head, s, entries);
1280 }
1281 #endif
1282
1283 static term_cmd_t term_cmds[] = {
1284     { "help|?", "s?", do_help,
1285       "[cmd]", "show the help" },
1286     { "commit", "s", do_commit,
1287       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1288     { "info", "s?", do_info,
1289       "subcommand", "show various information about the system state" },
1290     { "q|quit", "", do_quit,
1291       "", "quit the emulator" },
1292     { "eject", "-fB", do_eject,
1293       "[-f] device", "eject a removable medium (use -f to force it)" },
1294     { "change", "BF", do_change,
1295       "device filename", "change a removable medium" },
1296     { "screendump", "F", do_screen_dump,
1297       "filename", "save screen into PPM image 'filename'" },
1298     { "logfile", "s", do_logfile,
1299       "filename", "output logs to 'filename'" },
1300     { "log", "s", do_log,
1301       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1302     { "savevm", "s?", do_savevm,
1303       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1304     { "loadvm", "s", do_loadvm,
1305       "tag|id", "restore a VM snapshot from its tag or id" },
1306     { "delvm", "s", do_delvm,
1307       "tag|id", "delete a VM snapshot from its tag or id" },
1308     { "stop", "", do_stop,
1309       "", "stop emulation", },
1310     { "c|cont", "", do_cont,
1311       "", "resume emulation", },
1312 #ifdef CONFIG_GDBSTUB
1313     { "gdbserver", "s?", do_gdbserver,
1314       "[port]", "start gdbserver session (default port=1234)", },
1315 #endif
1316     { "x", "/l", do_memory_dump,
1317       "/fmt addr", "virtual memory dump starting at 'addr'", },
1318     { "xp", "/l", do_physical_memory_dump,
1319       "/fmt addr", "physical memory dump starting at 'addr'", },
1320     { "p|print", "/l", do_print,
1321       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1322     { "i", "/ii.", do_ioport_read,
1323       "/fmt addr", "I/O port read" },
1324
1325     { "sendkey", "s", do_send_key,
1326       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1327     { "system_reset", "", do_system_reset,
1328       "", "reset the system" },
1329     { "system_powerdown", "", do_system_powerdown,
1330       "", "send system power down event" },
1331     { "sum", "ii", do_sum,
1332       "addr size", "compute the checksum of a memory region" },
1333     { "usb_add", "s", do_usb_add,
1334       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1335     { "usb_del", "s", do_usb_del,
1336       "device", "remove USB device 'bus.addr'" },
1337     { "cpu", "i", do_cpu_set,
1338       "index", "set the default CPU" },
1339     { "mouse_move", "sss?", do_mouse_move,
1340       "dx dy [dz]", "send mouse move events" },
1341     { "mouse_button", "i", do_mouse_button,
1342       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1343     { "mouse_set", "i", do_mouse_set,
1344       "index", "set which mouse device receives events" },
1345 #ifdef HAS_AUDIO
1346     { "wavcapture", "si?i?i?", do_wav_capture,
1347       "path [frequency bits channels]",
1348       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1349 #endif
1350      { "stopcapture", "i", do_stop_capture,
1351        "capture index", "stop capture" },
1352     { "memsave", "lis", do_memory_save,
1353       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1354     { "migrate", "-ds", do_migrate,
1355       "[-d] command", "migrate the VM using command (use -d to not wait for command to complete)" },
1356     { "migrate_cancel", "", do_migrate_cancel,
1357       "", "cancel the current VM migration" },
1358     { "migrate_set_speed", "s", do_migrate_set_speed,
1359       "value", "set maximum speed (in bytes) for migrations" },
1360     { "cpu_set", "is", do_cpu_set_nr, "cpu [online|offline]", "change cpu state" },
1361     { NULL, NULL, },
1362 };
1363
1364 static term_cmd_t info_cmds[] = {
1365     { "version", "", do_info_version,
1366       "", "show the version of qemu" },
1367     { "network", "", do_info_network,
1368       "", "show the network state" },
1369     { "block", "", do_info_block,
1370       "", "show the block devices" },
1371     { "blockstats", "", do_info_blockstats,
1372       "", "show block device statistics" },
1373     { "registers", "", do_info_registers,
1374       "", "show the cpu registers" },
1375     { "cpus", "", do_info_cpus,
1376       "", "show infos for each CPU" },
1377     { "history", "", do_info_history,
1378       "", "show the command line history", },
1379     { "irq", "", irq_info,
1380       "", "show the interrupts statistics (if available)", },
1381     { "pic", "", pic_info,
1382       "", "show i8259 (PIC) state", },
1383     { "pci", "", pci_info,
1384       "", "show PCI info", },
1385 #if defined(TARGET_I386)
1386     { "tlb", "", tlb_info,
1387       "", "show virtual to physical memory mappings", },
1388     { "mem", "", mem_info,
1389       "", "show the active virtual memory mappings", },
1390 #endif
1391     { "jit", "", do_info_jit,
1392       "", "show dynamic compiler info", },
1393     { "kqemu", "", do_info_kqemu,
1394       "", "show kqemu information", },
1395     { "usb", "", usb_info,
1396       "", "show guest USB devices", },
1397     { "usbhost", "", usb_host_info,
1398       "", "show host USB devices", },
1399     { "profile", "", do_info_profile,
1400       "", "show profiling information", },
1401     { "capture", "", do_info_capture,
1402       "", "show capture information" },
1403     { "snapshots", "", do_info_snapshots,
1404       "", "show the currently saved VM snapshots" },
1405     { "pcmcia", "", pcmcia_info,
1406       "", "show guest PCMCIA status" },
1407     { "mice", "", do_info_mice,
1408       "", "show which guest mouse is receiving events" },
1409     { "vnc", "", do_info_vnc,
1410       "", "show the vnc server status"},
1411     { "name", "", do_info_name,
1412       "", "show the current VM name" },
1413 #if defined(TARGET_PPC)
1414     { "cpustats", "", do_info_cpu_stats,
1415       "", "show CPU statistics", },
1416 #endif
1417 #if defined(CONFIG_SLIRP)
1418     { "slirp", "", do_info_slirp,
1419       "", "show SLIRP statistics", },
1420 #endif
1421     { "migration", "", do_info_migration,
1422       "", "show migration information" },
1423     { NULL, NULL, },
1424 };
1425
1426 /*******************************************************************/
1427
1428 static const char *pch;
1429 static jmp_buf expr_env;
1430
1431 #define MD_TLONG 0
1432 #define MD_I32   1
1433
1434 typedef struct MonitorDef {
1435     const char *name;
1436     int offset;
1437     target_long (*get_value)(struct MonitorDef *md, int val);
1438     int type;
1439 } MonitorDef;
1440
1441 #if defined(TARGET_I386)
1442 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1443 {
1444     CPUState *env = mon_get_cpu();
1445     if (!env)
1446         return 0;
1447     return env->eip + env->segs[R_CS].base;
1448 }
1449 #endif
1450
1451 #if defined(TARGET_PPC)
1452 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1453 {
1454     CPUState *env = mon_get_cpu();
1455     unsigned int u;
1456     int i;
1457
1458     if (!env)
1459         return 0;
1460
1461     u = 0;
1462     for (i = 0; i < 8; i++)
1463         u |= env->crf[i] << (32 - (4 * i));
1464
1465     return u;
1466 }
1467
1468 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1469 {
1470     CPUState *env = mon_get_cpu();
1471     if (!env)
1472         return 0;
1473     return env->msr;
1474 }
1475
1476 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1477 {
1478     CPUState *env = mon_get_cpu();
1479     if (!env)
1480         return 0;
1481     return ppc_load_xer(env);
1482 }
1483
1484 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1485 {
1486     CPUState *env = mon_get_cpu();
1487     if (!env)
1488         return 0;
1489     return cpu_ppc_load_decr(env);
1490 }
1491
1492 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1493 {
1494     CPUState *env = mon_get_cpu();
1495     if (!env)
1496         return 0;
1497     return cpu_ppc_load_tbu(env);
1498 }
1499
1500 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1501 {
1502     CPUState *env = mon_get_cpu();
1503     if (!env)
1504         return 0;
1505     return cpu_ppc_load_tbl(env);
1506 }
1507 #endif
1508
1509 #if defined(TARGET_SPARC)
1510 #ifndef TARGET_SPARC64
1511 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1512 {
1513     CPUState *env = mon_get_cpu();
1514     if (!env)
1515         return 0;
1516     return GET_PSR(env);
1517 }
1518 #endif
1519
1520 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1521 {
1522     CPUState *env = mon_get_cpu();
1523     if (!env)
1524         return 0;
1525     return env->regwptr[val];
1526 }
1527 #endif
1528
1529 static MonitorDef monitor_defs[] = {
1530 #ifdef TARGET_I386
1531
1532 #define SEG(name, seg) \
1533     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1534     { name ".base", offsetof(CPUState, segs[seg].base) },\
1535     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1536
1537     { "eax", offsetof(CPUState, regs[0]) },
1538     { "ecx", offsetof(CPUState, regs[1]) },
1539     { "edx", offsetof(CPUState, regs[2]) },
1540     { "ebx", offsetof(CPUState, regs[3]) },
1541     { "esp|sp", offsetof(CPUState, regs[4]) },
1542     { "ebp|fp", offsetof(CPUState, regs[5]) },
1543     { "esi", offsetof(CPUState, regs[6]) },
1544     { "edi", offsetof(CPUState, regs[7]) },
1545 #ifdef TARGET_X86_64
1546     { "r8", offsetof(CPUState, regs[8]) },
1547     { "r9", offsetof(CPUState, regs[9]) },
1548     { "r10", offsetof(CPUState, regs[10]) },
1549     { "r11", offsetof(CPUState, regs[11]) },
1550     { "r12", offsetof(CPUState, regs[12]) },
1551     { "r13", offsetof(CPUState, regs[13]) },
1552     { "r14", offsetof(CPUState, regs[14]) },
1553     { "r15", offsetof(CPUState, regs[15]) },
1554 #endif
1555     { "eflags", offsetof(CPUState, eflags) },
1556     { "eip", offsetof(CPUState, eip) },
1557     SEG("cs", R_CS)
1558     SEG("ds", R_DS)
1559     SEG("es", R_ES)
1560     SEG("ss", R_SS)
1561     SEG("fs", R_FS)
1562     SEG("gs", R_GS)
1563     { "pc", 0, monitor_get_pc, },
1564 #elif defined(TARGET_PPC)
1565     /* General purpose registers */
1566     { "r0", offsetof(CPUState, gpr[0]) },
1567     { "r1", offsetof(CPUState, gpr[1]) },
1568     { "r2", offsetof(CPUState, gpr[2]) },
1569     { "r3", offsetof(CPUState, gpr[3]) },
1570     { "r4", offsetof(CPUState, gpr[4]) },
1571     { "r5", offsetof(CPUState, gpr[5]) },
1572     { "r6", offsetof(CPUState, gpr[6]) },
1573     { "r7", offsetof(CPUState, gpr[7]) },
1574     { "r8", offsetof(CPUState, gpr[8]) },
1575     { "r9", offsetof(CPUState, gpr[9]) },
1576     { "r10", offsetof(CPUState, gpr[10]) },
1577     { "r11", offsetof(CPUState, gpr[11]) },
1578     { "r12", offsetof(CPUState, gpr[12]) },
1579     { "r13", offsetof(CPUState, gpr[13]) },
1580     { "r14", offsetof(CPUState, gpr[14]) },
1581     { "r15", offsetof(CPUState, gpr[15]) },
1582     { "r16", offsetof(CPUState, gpr[16]) },
1583     { "r17", offsetof(CPUState, gpr[17]) },
1584     { "r18", offsetof(CPUState, gpr[18]) },
1585     { "r19", offsetof(CPUState, gpr[19]) },
1586     { "r20", offsetof(CPUState, gpr[20]) },
1587     { "r21", offsetof(CPUState, gpr[21]) },
1588     { "r22", offsetof(CPUState, gpr[22]) },
1589     { "r23", offsetof(CPUState, gpr[23]) },
1590     { "r24", offsetof(CPUState, gpr[24]) },
1591     { "r25", offsetof(CPUState, gpr[25]) },
1592     { "r26", offsetof(CPUState, gpr[26]) },
1593     { "r27", offsetof(CPUState, gpr[27]) },
1594     { "r28", offsetof(CPUState, gpr[28]) },
1595     { "r29", offsetof(CPUState, gpr[29]) },
1596     { "r30", offsetof(CPUState, gpr[30]) },
1597     { "r31", offsetof(CPUState, gpr[31]) },
1598     /* Floating point registers */
1599     { "f0", offsetof(CPUState, fpr[0]) },
1600     { "f1", offsetof(CPUState, fpr[1]) },
1601     { "f2", offsetof(CPUState, fpr[2]) },
1602     { "f3", offsetof(CPUState, fpr[3]) },
1603     { "f4", offsetof(CPUState, fpr[4]) },
1604     { "f5", offsetof(CPUState, fpr[5]) },
1605     { "f6", offsetof(CPUState, fpr[6]) },
1606     { "f7", offsetof(CPUState, fpr[7]) },
1607     { "f8", offsetof(CPUState, fpr[8]) },
1608     { "f9", offsetof(CPUState, fpr[9]) },
1609     { "f10", offsetof(CPUState, fpr[10]) },
1610     { "f11", offsetof(CPUState, fpr[11]) },
1611     { "f12", offsetof(CPUState, fpr[12]) },
1612     { "f13", offsetof(CPUState, fpr[13]) },
1613     { "f14", offsetof(CPUState, fpr[14]) },
1614     { "f15", offsetof(CPUState, fpr[15]) },
1615     { "f16", offsetof(CPUState, fpr[16]) },
1616     { "f17", offsetof(CPUState, fpr[17]) },
1617     { "f18", offsetof(CPUState, fpr[18]) },
1618     { "f19", offsetof(CPUState, fpr[19]) },
1619     { "f20", offsetof(CPUState, fpr[20]) },
1620     { "f21", offsetof(CPUState, fpr[21]) },
1621     { "f22", offsetof(CPUState, fpr[22]) },
1622     { "f23", offsetof(CPUState, fpr[23]) },
1623     { "f24", offsetof(CPUState, fpr[24]) },
1624     { "f25", offsetof(CPUState, fpr[25]) },
1625     { "f26", offsetof(CPUState, fpr[26]) },
1626     { "f27", offsetof(CPUState, fpr[27]) },
1627     { "f28", offsetof(CPUState, fpr[28]) },
1628     { "f29", offsetof(CPUState, fpr[29]) },
1629     { "f30", offsetof(CPUState, fpr[30]) },
1630     { "f31", offsetof(CPUState, fpr[31]) },
1631     { "fpscr", offsetof(CPUState, fpscr) },
1632     /* Next instruction pointer */
1633     { "nip|pc", offsetof(CPUState, nip) },
1634     { "lr", offsetof(CPUState, lr) },
1635     { "ctr", offsetof(CPUState, ctr) },
1636     { "decr", 0, &monitor_get_decr, },
1637     { "ccr", 0, &monitor_get_ccr, },
1638     /* Machine state register */
1639     { "msr", 0, &monitor_get_msr, },
1640     { "xer", 0, &monitor_get_xer, },
1641     { "tbu", 0, &monitor_get_tbu, },
1642     { "tbl", 0, &monitor_get_tbl, },
1643 #if defined(TARGET_PPC64)
1644     /* Address space register */
1645     { "asr", offsetof(CPUState, asr) },
1646 #endif
1647     /* Segment registers */
1648     { "sdr1", offsetof(CPUState, sdr1) },
1649     { "sr0", offsetof(CPUState, sr[0]) },
1650     { "sr1", offsetof(CPUState, sr[1]) },
1651     { "sr2", offsetof(CPUState, sr[2]) },
1652     { "sr3", offsetof(CPUState, sr[3]) },
1653     { "sr4", offsetof(CPUState, sr[4]) },
1654     { "sr5", offsetof(CPUState, sr[5]) },
1655     { "sr6", offsetof(CPUState, sr[6]) },
1656     { "sr7", offsetof(CPUState, sr[7]) },
1657     { "sr8", offsetof(CPUState, sr[8]) },
1658     { "sr9", offsetof(CPUState, sr[9]) },
1659     { "sr10", offsetof(CPUState, sr[10]) },
1660     { "sr11", offsetof(CPUState, sr[11]) },
1661     { "sr12", offsetof(CPUState, sr[12]) },
1662     { "sr13", offsetof(CPUState, sr[13]) },
1663     { "sr14", offsetof(CPUState, sr[14]) },
1664     { "sr15", offsetof(CPUState, sr[15]) },
1665     /* Too lazy to put BATs and SPRs ... */
1666 #elif defined(TARGET_SPARC)
1667     { "g0", offsetof(CPUState, gregs[0]) },
1668     { "g1", offsetof(CPUState, gregs[1]) },
1669     { "g2", offsetof(CPUState, gregs[2]) },
1670     { "g3", offsetof(CPUState, gregs[3]) },
1671     { "g4", offsetof(CPUState, gregs[4]) },
1672     { "g5", offsetof(CPUState, gregs[5]) },
1673     { "g6", offsetof(CPUState, gregs[6]) },
1674     { "g7", offsetof(CPUState, gregs[7]) },
1675     { "o0", 0, monitor_get_reg },
1676     { "o1", 1, monitor_get_reg },
1677     { "o2", 2, monitor_get_reg },
1678     { "o3", 3, monitor_get_reg },
1679     { "o4", 4, monitor_get_reg },
1680     { "o5", 5, monitor_get_reg },
1681     { "o6", 6, monitor_get_reg },
1682     { "o7", 7, monitor_get_reg },
1683     { "l0", 8, monitor_get_reg },
1684     { "l1", 9, monitor_get_reg },
1685     { "l2", 10, monitor_get_reg },
1686     { "l3", 11, monitor_get_reg },
1687     { "l4", 12, monitor_get_reg },
1688     { "l5", 13, monitor_get_reg },
1689     { "l6", 14, monitor_get_reg },
1690     { "l7", 15, monitor_get_reg },
1691     { "i0", 16, monitor_get_reg },
1692     { "i1", 17, monitor_get_reg },
1693     { "i2", 18, monitor_get_reg },
1694     { "i3", 19, monitor_get_reg },
1695     { "i4", 20, monitor_get_reg },
1696     { "i5", 21, monitor_get_reg },
1697     { "i6", 22, monitor_get_reg },
1698     { "i7", 23, monitor_get_reg },
1699     { "pc", offsetof(CPUState, pc) },
1700     { "npc", offsetof(CPUState, npc) },
1701     { "y", offsetof(CPUState, y) },
1702 #ifndef TARGET_SPARC64
1703     { "psr", 0, &monitor_get_psr, },
1704     { "wim", offsetof(CPUState, wim) },
1705 #endif
1706     { "tbr", offsetof(CPUState, tbr) },
1707     { "fsr", offsetof(CPUState, fsr) },
1708     { "f0", offsetof(CPUState, fpr[0]) },
1709     { "f1", offsetof(CPUState, fpr[1]) },
1710     { "f2", offsetof(CPUState, fpr[2]) },
1711     { "f3", offsetof(CPUState, fpr[3]) },
1712     { "f4", offsetof(CPUState, fpr[4]) },
1713     { "f5", offsetof(CPUState, fpr[5]) },
1714     { "f6", offsetof(CPUState, fpr[6]) },
1715     { "f7", offsetof(CPUState, fpr[7]) },
1716     { "f8", offsetof(CPUState, fpr[8]) },
1717     { "f9", offsetof(CPUState, fpr[9]) },
1718     { "f10", offsetof(CPUState, fpr[10]) },
1719     { "f11", offsetof(CPUState, fpr[11]) },
1720     { "f12", offsetof(CPUState, fpr[12]) },
1721     { "f13", offsetof(CPUState, fpr[13]) },
1722     { "f14", offsetof(CPUState, fpr[14]) },
1723     { "f15", offsetof(CPUState, fpr[15]) },
1724     { "f16", offsetof(CPUState, fpr[16]) },
1725     { "f17", offsetof(CPUState, fpr[17]) },
1726     { "f18", offsetof(CPUState, fpr[18]) },
1727     { "f19", offsetof(CPUState, fpr[19]) },
1728     { "f20", offsetof(CPUState, fpr[20]) },
1729     { "f21", offsetof(CPUState, fpr[21]) },
1730     { "f22", offsetof(CPUState, fpr[22]) },
1731     { "f23", offsetof(CPUState, fpr[23]) },
1732     { "f24", offsetof(CPUState, fpr[24]) },
1733     { "f25", offsetof(CPUState, fpr[25]) },
1734     { "f26", offsetof(CPUState, fpr[26]) },
1735     { "f27", offsetof(CPUState, fpr[27]) },
1736     { "f28", offsetof(CPUState, fpr[28]) },
1737     { "f29", offsetof(CPUState, fpr[29]) },
1738     { "f30", offsetof(CPUState, fpr[30]) },
1739     { "f31", offsetof(CPUState, fpr[31]) },
1740 #ifdef TARGET_SPARC64
1741     { "f32", offsetof(CPUState, fpr[32]) },
1742     { "f34", offsetof(CPUState, fpr[34]) },
1743     { "f36", offsetof(CPUState, fpr[36]) },
1744     { "f38", offsetof(CPUState, fpr[38]) },
1745     { "f40", offsetof(CPUState, fpr[40]) },
1746     { "f42", offsetof(CPUState, fpr[42]) },
1747     { "f44", offsetof(CPUState, fpr[44]) },
1748     { "f46", offsetof(CPUState, fpr[46]) },
1749     { "f48", offsetof(CPUState, fpr[48]) },
1750     { "f50", offsetof(CPUState, fpr[50]) },
1751     { "f52", offsetof(CPUState, fpr[52]) },
1752     { "f54", offsetof(CPUState, fpr[54]) },
1753     { "f56", offsetof(CPUState, fpr[56]) },
1754     { "f58", offsetof(CPUState, fpr[58]) },
1755     { "f60", offsetof(CPUState, fpr[60]) },
1756     { "f62", offsetof(CPUState, fpr[62]) },
1757     { "asi", offsetof(CPUState, asi) },
1758     { "pstate", offsetof(CPUState, pstate) },
1759     { "cansave", offsetof(CPUState, cansave) },
1760     { "canrestore", offsetof(CPUState, canrestore) },
1761     { "otherwin", offsetof(CPUState, otherwin) },
1762     { "wstate", offsetof(CPUState, wstate) },
1763     { "cleanwin", offsetof(CPUState, cleanwin) },
1764     { "fprs", offsetof(CPUState, fprs) },
1765 #endif
1766 #endif
1767     { NULL },
1768 };
1769
1770 static void expr_error(const char *fmt)
1771 {
1772     term_printf(fmt);
1773     term_printf("\n");
1774     longjmp(expr_env, 1);
1775 }
1776
1777 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1778 static int get_monitor_def(target_long *pval, const char *name)
1779 {
1780     MonitorDef *md;
1781     void *ptr;
1782
1783     for(md = monitor_defs; md->name != NULL; md++) {
1784         if (compare_cmd(name, md->name)) {
1785             if (md->get_value) {
1786                 *pval = md->get_value(md, md->offset);
1787             } else {
1788                 CPUState *env = mon_get_cpu();
1789                 if (!env)
1790                     return -2;
1791                 ptr = (uint8_t *)env + md->offset;
1792                 switch(md->type) {
1793                 case MD_I32:
1794                     *pval = *(int32_t *)ptr;
1795                     break;
1796                 case MD_TLONG:
1797                     *pval = *(target_long *)ptr;
1798                     break;
1799                 default:
1800                     *pval = 0;
1801                     break;
1802                 }
1803             }
1804             return 0;
1805         }
1806     }
1807     return -1;
1808 }
1809
1810 static void next(void)
1811 {
1812     if (pch != '\0') {
1813         pch++;
1814         while (isspace(*pch))
1815             pch++;
1816     }
1817 }
1818
1819 static int64_t expr_sum(void);
1820
1821 static int64_t expr_unary(void)
1822 {
1823     int64_t n;
1824     char *p;
1825     int ret;
1826
1827     switch(*pch) {
1828     case '+':
1829         next();
1830         n = expr_unary();
1831         break;
1832     case '-':
1833         next();
1834         n = -expr_unary();
1835         break;
1836     case '~':
1837         next();
1838         n = ~expr_unary();
1839         break;
1840     case '(':
1841         next();
1842         n = expr_sum();
1843         if (*pch != ')') {
1844             expr_error("')' expected");
1845         }
1846         next();
1847         break;
1848     case '\'':
1849         pch++;
1850         if (*pch == '\0')
1851             expr_error("character constant expected");
1852         n = *pch;
1853         pch++;
1854         if (*pch != '\'')
1855             expr_error("missing terminating \' character");
1856         next();
1857         break;
1858     case '$':
1859         {
1860             char buf[128], *q;
1861             target_long reg=0;
1862
1863             pch++;
1864             q = buf;
1865             while ((*pch >= 'a' && *pch <= 'z') ||
1866                    (*pch >= 'A' && *pch <= 'Z') ||
1867                    (*pch >= '0' && *pch <= '9') ||
1868                    *pch == '_' || *pch == '.') {
1869                 if ((q - buf) < sizeof(buf) - 1)
1870                     *q++ = *pch;
1871                 pch++;
1872             }
1873             while (isspace(*pch))
1874                 pch++;
1875             *q = 0;
1876             ret = get_monitor_def(&reg, buf);
1877             if (ret == -1)
1878                 expr_error("unknown register");
1879             else if (ret == -2)
1880                 expr_error("no cpu defined");
1881             n = reg;
1882         }
1883         break;
1884     case '\0':
1885         expr_error("unexpected end of expression");
1886         n = 0;
1887         break;
1888     default:
1889 #if TARGET_PHYS_ADDR_BITS > 32
1890         n = strtoull(pch, &p, 0);
1891 #else
1892         n = strtoul(pch, &p, 0);
1893 #endif
1894         if (pch == p) {
1895             expr_error("invalid char in expression");
1896         }
1897         pch = p;
1898         while (isspace(*pch))
1899             pch++;
1900         break;
1901     }
1902     return n;
1903 }
1904
1905
1906 static int64_t expr_prod(void)
1907 {
1908     int64_t val, val2;
1909     int op;
1910
1911     val = expr_unary();
1912     for(;;) {
1913         op = *pch;
1914         if (op != '*' && op != '/' && op != '%')
1915             break;
1916         next();
1917         val2 = expr_unary();
1918         switch(op) {
1919         default:
1920         case '*':
1921             val *= val2;
1922             break;
1923         case '/':
1924         case '%':
1925             if (val2 == 0)
1926                 expr_error("division by zero");
1927             if (op == '/')
1928                 val /= val2;
1929             else
1930                 val %= val2;
1931             break;
1932         }
1933     }
1934     return val;
1935 }
1936
1937 static int64_t expr_logic(void)
1938 {
1939     int64_t val, val2;
1940     int op;
1941
1942     val = expr_prod();
1943     for(;;) {
1944         op = *pch;
1945         if (op != '&' && op != '|' && op != '^')
1946             break;
1947         next();
1948         val2 = expr_prod();
1949         switch(op) {
1950         default:
1951         case '&':
1952             val &= val2;
1953             break;
1954         case '|':
1955             val |= val2;
1956             break;
1957         case '^':
1958             val ^= val2;
1959             break;
1960         }
1961     }
1962     return val;
1963 }
1964
1965 static int64_t expr_sum(void)
1966 {
1967     int64_t val, val2;
1968     int op;
1969
1970     val = expr_logic();
1971     for(;;) {
1972         op = *pch;
1973         if (op != '+' && op != '-')
1974             break;
1975         next();
1976         val2 = expr_logic();
1977         if (op == '+')
1978             val += val2;
1979         else
1980             val -= val2;
1981     }
1982     return val;
1983 }
1984
1985 static int get_expr(int64_t *pval, const char **pp)
1986 {
1987     pch = *pp;
1988     if (setjmp(expr_env)) {
1989         *pp = pch;
1990         return -1;
1991     }
1992     while (isspace(*pch))
1993         pch++;
1994     *pval = expr_sum();
1995     *pp = pch;
1996     return 0;
1997 }
1998
1999 static int get_str(char *buf, int buf_size, const char **pp)
2000 {
2001     const char *p;
2002     char *q;
2003     int c;
2004
2005     q = buf;
2006     p = *pp;
2007     while (isspace(*p))
2008         p++;
2009     if (*p == '\0') {
2010     fail:
2011         *q = '\0';
2012         *pp = p;
2013         return -1;
2014     }
2015     if (*p == '\"') {
2016         p++;
2017         while (*p != '\0' && *p != '\"') {
2018             if (*p == '\\') {
2019                 p++;
2020                 c = *p++;
2021                 switch(c) {
2022                 case 'n':
2023                     c = '\n';
2024                     break;
2025                 case 'r':
2026                     c = '\r';
2027                     break;
2028                 case '\\':
2029                 case '\'':
2030                 case '\"':
2031                     break;
2032                 default:
2033                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2034                     goto fail;
2035                 }
2036                 if ((q - buf) < buf_size - 1) {
2037                     *q++ = c;
2038                 }
2039             } else {
2040                 if ((q - buf) < buf_size - 1) {
2041                     *q++ = *p;
2042                 }
2043                 p++;
2044             }
2045         }
2046         if (*p != '\"') {
2047             qemu_printf("unterminated string\n");
2048             goto fail;
2049         }
2050         p++;
2051     } else {
2052         while (*p != '\0' && !isspace(*p)) {
2053             if ((q - buf) < buf_size - 1) {
2054                 *q++ = *p;
2055             }
2056             p++;
2057         }
2058     }
2059     *q = '\0';
2060     *pp = p;
2061     return 0;
2062 }
2063
2064 static int default_fmt_format = 'x';
2065 static int default_fmt_size = 4;
2066
2067 #define MAX_ARGS 16
2068
2069 static void monitor_handle_command(const char *cmdline)
2070 {
2071     const char *p, *pstart, *typestr;
2072     char *q;
2073     int c, nb_args, len, i, has_arg;
2074     term_cmd_t *cmd;
2075     char cmdname[256];
2076     char buf[1024];
2077     void *str_allocated[MAX_ARGS];
2078     void *args[MAX_ARGS];
2079
2080 #ifdef DEBUG
2081     term_printf("command='%s'\n", cmdline);
2082 #endif
2083
2084     /* extract the command name */
2085     p = cmdline;
2086     q = cmdname;
2087     while (isspace(*p))
2088         p++;
2089     if (*p == '\0')
2090         return;
2091     pstart = p;
2092     while (*p != '\0' && *p != '/' && !isspace(*p))
2093         p++;
2094     len = p - pstart;
2095     if (len > sizeof(cmdname) - 1)
2096         len = sizeof(cmdname) - 1;
2097     memcpy(cmdname, pstart, len);
2098     cmdname[len] = '\0';
2099
2100     /* find the command */
2101     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2102         if (compare_cmd(cmdname, cmd->name))
2103             goto found;
2104     }
2105     term_printf("unknown command: '%s'\n", cmdname);
2106     return;
2107  found:
2108
2109     for(i = 0; i < MAX_ARGS; i++)
2110         str_allocated[i] = NULL;
2111
2112     /* parse the parameters */
2113     typestr = cmd->args_type;
2114     nb_args = 0;
2115     for(;;) {
2116         c = *typestr;
2117         if (c == '\0')
2118             break;
2119         typestr++;
2120         switch(c) {
2121         case 'F':
2122         case 'B':
2123         case 's':
2124             {
2125                 int ret;
2126                 char *str;
2127
2128                 while (isspace(*p))
2129                     p++;
2130                 if (*typestr == '?') {
2131                     typestr++;
2132                     if (*p == '\0') {
2133                         /* no optional string: NULL argument */
2134                         str = NULL;
2135                         goto add_str;
2136                     }
2137                 }
2138                 ret = get_str(buf, sizeof(buf), &p);
2139                 if (ret < 0) {
2140                     switch(c) {
2141                     case 'F':
2142                         term_printf("%s: filename expected\n", cmdname);
2143                         break;
2144                     case 'B':
2145                         term_printf("%s: block device name expected\n", cmdname);
2146                         break;
2147                     default:
2148                         term_printf("%s: string expected\n", cmdname);
2149                         break;
2150                     }
2151                     goto fail;
2152                 }
2153                 str = qemu_malloc(strlen(buf) + 1);
2154                 strcpy(str, buf);
2155                 str_allocated[nb_args] = str;
2156             add_str:
2157                 if (nb_args >= MAX_ARGS) {
2158                 error_args:
2159                     term_printf("%s: too many arguments\n", cmdname);
2160                     goto fail;
2161                 }
2162                 args[nb_args++] = str;
2163             }
2164             break;
2165         case '/':
2166             {
2167                 int count, format, size;
2168
2169                 while (isspace(*p))
2170                     p++;
2171                 if (*p == '/') {
2172                     /* format found */
2173                     p++;
2174                     count = 1;
2175                     if (isdigit(*p)) {
2176                         count = 0;
2177                         while (isdigit(*p)) {
2178                             count = count * 10 + (*p - '0');
2179                             p++;
2180                         }
2181                     }
2182                     size = -1;
2183                     format = -1;
2184                     for(;;) {
2185                         switch(*p) {
2186                         case 'o':
2187                         case 'd':
2188                         case 'u':
2189                         case 'x':
2190                         case 'i':
2191                         case 'c':
2192                             format = *p++;
2193                             break;
2194                         case 'b':
2195                             size = 1;
2196                             p++;
2197                             break;
2198                         case 'h':
2199                             size = 2;
2200                             p++;
2201                             break;
2202                         case 'w':
2203                             size = 4;
2204                             p++;
2205                             break;
2206                         case 'g':
2207                         case 'L':
2208                             size = 8;
2209                             p++;
2210                             break;
2211                         default:
2212                             goto next;
2213                         }
2214                     }
2215                 next:
2216                     if (*p != '\0' && !isspace(*p)) {
2217                         term_printf("invalid char in format: '%c'\n", *p);
2218                         goto fail;
2219                     }
2220                     if (format < 0)
2221                         format = default_fmt_format;
2222                     if (format != 'i') {
2223                         /* for 'i', not specifying a size gives -1 as size */
2224                         if (size < 0)
2225                             size = default_fmt_size;
2226                     }
2227                     default_fmt_size = size;
2228                     default_fmt_format = format;
2229                 } else {
2230                     count = 1;
2231                     format = default_fmt_format;
2232                     if (format != 'i') {
2233                         size = default_fmt_size;
2234                     } else {
2235                         size = -1;
2236                     }
2237                 }
2238                 if (nb_args + 3 > MAX_ARGS)
2239                     goto error_args;
2240                 args[nb_args++] = (void*)(long)count;
2241                 args[nb_args++] = (void*)(long)format;
2242                 args[nb_args++] = (void*)(long)size;
2243             }
2244             break;
2245         case 'i':
2246         case 'l':
2247             {
2248                 int64_t val;
2249
2250                 while (isspace(*p))
2251                     p++;
2252                 if (*typestr == '?' || *typestr == '.') {
2253                     if (*typestr == '?') {
2254                         if (*p == '\0')
2255                             has_arg = 0;
2256                         else
2257                             has_arg = 1;
2258                     } else {
2259                         if (*p == '.') {
2260                             p++;
2261                             while (isspace(*p))
2262                                 p++;
2263                             has_arg = 1;
2264                         } else {
2265                             has_arg = 0;
2266                         }
2267                     }
2268                     typestr++;
2269                     if (nb_args >= MAX_ARGS)
2270                         goto error_args;
2271                     args[nb_args++] = (void *)(long)has_arg;
2272                     if (!has_arg) {
2273                         if (nb_args >= MAX_ARGS)
2274                             goto error_args;
2275                         val = -1;
2276                         goto add_num;
2277                     }
2278                 }
2279                 if (get_expr(&val, &p))
2280                     goto fail;
2281             add_num:
2282                 if (c == 'i') {
2283                     if (nb_args >= MAX_ARGS)
2284                         goto error_args;
2285                     args[nb_args++] = (void *)(long)val;
2286                 } else {
2287                     if ((nb_args + 1) >= MAX_ARGS)
2288                         goto error_args;
2289 #if TARGET_PHYS_ADDR_BITS > 32
2290                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2291 #else
2292                     args[nb_args++] = (void *)0;
2293 #endif
2294                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2295                 }
2296             }
2297             break;
2298         case '-':
2299             {
2300                 int has_option;
2301                 /* option */
2302
2303                 c = *typestr++;
2304                 if (c == '\0')
2305                     goto bad_type;
2306                 while (isspace(*p))
2307                     p++;
2308                 has_option = 0;
2309                 if (*p == '-') {
2310                     p++;
2311                     if (*p != c) {
2312                         term_printf("%s: unsupported option -%c\n",
2313                                     cmdname, *p);
2314                         goto fail;
2315                     }
2316                     p++;
2317                     has_option = 1;
2318                 }
2319                 if (nb_args >= MAX_ARGS)
2320                     goto error_args;
2321                 args[nb_args++] = (void *)(long)has_option;
2322             }
2323             break;
2324         default:
2325         bad_type:
2326             term_printf("%s: unknown type '%c'\n", cmdname, c);
2327             goto fail;
2328         }
2329     }
2330     /* check that all arguments were parsed */
2331     while (isspace(*p))
2332         p++;
2333     if (*p != '\0') {
2334         term_printf("%s: extraneous characters at the end of line\n",
2335                     cmdname);
2336         goto fail;
2337     }
2338
2339     switch(nb_args) {
2340     case 0:
2341         cmd->handler();
2342         break;
2343     case 1:
2344         cmd->handler(args[0]);
2345         break;
2346     case 2:
2347         cmd->handler(args[0], args[1]);
2348         break;
2349     case 3:
2350         cmd->handler(args[0], args[1], args[2]);
2351         break;
2352     case 4:
2353         cmd->handler(args[0], args[1], args[2], args[3]);
2354         break;
2355     case 5:
2356         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2357         break;
2358     case 6:
2359         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2360         break;
2361     case 7:
2362         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2363         break;
2364     default:
2365         term_printf("unsupported number of arguments: %d\n", nb_args);
2366         goto fail;
2367     }
2368  fail:
2369     for(i = 0; i < MAX_ARGS; i++)
2370         qemu_free(str_allocated[i]);
2371     return;
2372 }
2373
2374 static void cmd_completion(const char *name, const char *list)
2375 {
2376     const char *p, *pstart;
2377     char cmd[128];
2378     int len;
2379
2380     p = list;
2381     for(;;) {
2382         pstart = p;
2383         p = strchr(p, '|');
2384         if (!p)
2385             p = pstart + strlen(pstart);
2386         len = p - pstart;
2387         if (len > sizeof(cmd) - 2)
2388             len = sizeof(cmd) - 2;
2389         memcpy(cmd, pstart, len);
2390         cmd[len] = '\0';
2391         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2392             add_completion(cmd);
2393         }
2394         if (*p == '\0')
2395             break;
2396         p++;
2397     }
2398 }
2399
2400 static void file_completion(const char *input)
2401 {
2402     DIR *ffs;
2403     struct dirent *d;
2404     char path[1024];
2405     char file[1024], file_prefix[1024];
2406     int input_path_len;
2407     const char *p;
2408
2409     p = strrchr(input, '/');
2410     if (!p) {
2411         input_path_len = 0;
2412         pstrcpy(file_prefix, sizeof(file_prefix), input);
2413         strcpy(path, ".");
2414     } else {
2415         input_path_len = p - input + 1;
2416         memcpy(path, input, input_path_len);
2417         if (input_path_len > sizeof(path) - 1)
2418             input_path_len = sizeof(path) - 1;
2419         path[input_path_len] = '\0';
2420         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2421     }
2422 #ifdef DEBUG_COMPLETION
2423     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2424 #endif
2425     ffs = opendir(path);
2426     if (!ffs)
2427         return;
2428     for(;;) {
2429         struct stat sb;
2430         d = readdir(ffs);
2431         if (!d)
2432             break;
2433         if (strstart(d->d_name, file_prefix, NULL)) {
2434             memcpy(file, input, input_path_len);
2435             strcpy(file + input_path_len, d->d_name);
2436             /* stat the file to find out if it's a directory.
2437              * In that case add a slash to speed up typing long paths
2438              */
2439             stat(file, &sb);
2440             if(S_ISDIR(sb.st_mode))
2441                 strcat(file, "/");
2442             add_completion(file);
2443         }
2444     }
2445     closedir(ffs);
2446 }
2447
2448 static void block_completion_it(void *opaque, const char *name)
2449 {
2450     const char *input = opaque;
2451
2452     if (input[0] == '\0' ||
2453         !strncmp(name, (char *)input, strlen(input))) {
2454         add_completion(name);
2455     }
2456 }
2457
2458 /* NOTE: this parser is an approximate form of the real command parser */
2459 static void parse_cmdline(const char *cmdline,
2460                          int *pnb_args, char **args)
2461 {
2462     const char *p;
2463     int nb_args, ret;
2464     char buf[1024];
2465
2466     p = cmdline;
2467     nb_args = 0;
2468     for(;;) {
2469         while (isspace(*p))
2470             p++;
2471         if (*p == '\0')
2472             break;
2473         if (nb_args >= MAX_ARGS)
2474             break;
2475         ret = get_str(buf, sizeof(buf), &p);
2476         args[nb_args] = qemu_strdup(buf);
2477         nb_args++;
2478         if (ret < 0)
2479             break;
2480     }
2481     *pnb_args = nb_args;
2482 }
2483
2484 void readline_find_completion(const char *cmdline)
2485 {
2486     const char *cmdname;
2487     char *args[MAX_ARGS];
2488     int nb_args, i, len;
2489     const char *ptype, *str;
2490     term_cmd_t *cmd;
2491     const KeyDef *key;
2492
2493     parse_cmdline(cmdline, &nb_args, args);
2494 #ifdef DEBUG_COMPLETION
2495     for(i = 0; i < nb_args; i++) {
2496         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2497     }
2498 #endif
2499
2500     /* if the line ends with a space, it means we want to complete the
2501        next arg */
2502     len = strlen(cmdline);
2503     if (len > 0 && isspace(cmdline[len - 1])) {
2504         if (nb_args >= MAX_ARGS)
2505             return;
2506         args[nb_args++] = qemu_strdup("");
2507     }
2508     if (nb_args <= 1) {
2509         /* command completion */
2510         if (nb_args == 0)
2511             cmdname = "";
2512         else
2513             cmdname = args[0];
2514         completion_index = strlen(cmdname);
2515         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2516             cmd_completion(cmdname, cmd->name);
2517         }
2518     } else {
2519         /* find the command */
2520         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2521             if (compare_cmd(args[0], cmd->name))
2522                 goto found;
2523         }
2524         return;
2525     found:
2526         ptype = cmd->args_type;
2527         for(i = 0; i < nb_args - 2; i++) {
2528             if (*ptype != '\0') {
2529                 ptype++;
2530                 while (*ptype == '?')
2531                     ptype++;
2532             }
2533         }
2534         str = args[nb_args - 1];
2535         switch(*ptype) {
2536         case 'F':
2537             /* file completion */
2538             completion_index = strlen(str);
2539             file_completion(str);
2540             break;
2541         case 'B':
2542             /* block device name completion */
2543             completion_index = strlen(str);
2544             bdrv_iterate(block_completion_it, (void *)str);
2545             break;
2546         case 's':
2547             /* XXX: more generic ? */
2548             if (!strcmp(cmd->name, "info")) {
2549                 completion_index = strlen(str);
2550                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2551                     cmd_completion(str, cmd->name);
2552                 }
2553             } else if (!strcmp(cmd->name, "sendkey")) {
2554                 completion_index = strlen(str);
2555                 for(key = key_defs; key->name != NULL; key++) {
2556                     cmd_completion(str, key->name);
2557                 }
2558             }
2559             break;
2560         default:
2561             break;
2562         }
2563     }
2564     for(i = 0; i < nb_args; i++)
2565         qemu_free(args[i]);
2566 }
2567
2568 static int term_can_read(void *opaque)
2569 {
2570     return 128;
2571 }
2572
2573 static void term_read(void *opaque, const uint8_t *buf, int size)
2574 {
2575     int i;
2576     for(i = 0; i < size; i++)
2577         readline_handle_byte(buf[i]);
2578 }
2579
2580 static int monitor_suspended;
2581
2582 void monitor_suspend(void)
2583 {
2584     monitor_suspended = 1;
2585 }
2586
2587 void monitor_resume(void)
2588 {
2589     monitor_suspended = 0;
2590     monitor_start_input();
2591 }
2592
2593 static void monitor_start_input(void);
2594
2595 static void monitor_handle_command1(void *opaque, const char *cmdline)
2596 {
2597     monitor_handle_command(cmdline);
2598     if (!monitor_suspended)
2599         monitor_start_input();
2600 }
2601
2602 static void monitor_start_input(void)
2603 {
2604     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2605 }
2606
2607 static void term_event(void *opaque, int event)
2608 {
2609     if (event != CHR_EVENT_RESET)
2610         return;
2611
2612     if (!hide_banner)
2613             term_printf("QEMU %s monitor - type 'help' for more information\n",
2614                         QEMU_VERSION);
2615     monitor_start_input();
2616 }
2617
2618 static int is_first_init = 1;
2619
2620 void monitor_init(CharDriverState *hd, int show_banner)
2621 {
2622     int i;
2623
2624     if (is_first_init) {
2625         for (i = 0; i < MAX_MON; i++) {
2626             monitor_hd[i] = NULL;
2627         }
2628         is_first_init = 0;
2629     }
2630     for (i = 0; i < MAX_MON; i++) {
2631         if (monitor_hd[i] == NULL) {
2632             monitor_hd[i] = hd;
2633             break;
2634         }
2635     }
2636
2637     hide_banner = !show_banner;
2638
2639     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2640
2641     readline_start("", 0, monitor_handle_command1, NULL);
2642 }
2643
2644 /* XXX: use threads ? */
2645 /* modal monitor readline */
2646 static int monitor_readline_started;
2647 static char *monitor_readline_buf;
2648 static int monitor_readline_buf_size;
2649
2650 static void monitor_readline_cb(void *opaque, const char *input)
2651 {
2652     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2653     monitor_readline_started = 0;
2654 }
2655
2656 void monitor_readline(const char *prompt, int is_password,
2657                       char *buf, int buf_size)
2658 {
2659     int i;
2660
2661     if (is_password) {
2662         for (i = 0; i < MAX_MON; i++)
2663             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2664                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2665     }
2666     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2667     monitor_readline_buf = buf;
2668     monitor_readline_buf_size = buf_size;
2669     monitor_readline_started = 1;
2670     while (monitor_readline_started) {
2671         main_loop_wait(10);
2672     }
2673 }