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(" thread_id=%d", env->thread_id);
 339         term_printf("\n");
 340     }
 341 }
 342
 343 static void do_cpu_set(int index)
 344 {
 345     if (mon_set_cpu(index) < 0)
 346         term_printf("Invalid CPU index\n");
 347 }
 348
 349 static void do_cpu_set_nr(int value, const char *status)
 350 {
 351     int state;
 352
 353     if (!strcmp(status, "online"))
 354        state = 1;
 355     else if (!strcmp(status, "offline"))
 356        state = 0;
 357     else {
 358        term_printf("invalid status: %s\n", status);
 359        return;
 360     }
 361 #if defined(TARGET_I386) || defined(TARGET_X86_64)
 362     qemu_system_cpu_hot_add(value, state);
 363 #endif
 364 }
 365
 366 static void do_info_jit(void)
 367 {
 368     dump_exec_info(NULL, monitor_fprintf);
 369 }
 370
 371 static void do_info_history (void)
 372 {
 373     int i;
 374     const char *str;
 375
 376     i = 0;
 377     for(;;) {
 378         str = readline_get_history(i);
 379         if (!str)
 380             break;
 381         term_printf("%d: '%s'\n", i, str);
 382         i++;
 383     }
 384 }
 385
 386 #if defined(TARGET_PPC)
 387 /* XXX: not implemented in other targets */
 388 static void do_info_cpu_stats (void)
 389 {
 390     CPUState *env;
 391
 392     env = mon_get_cpu();
 393     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 394 }
 395 #endif
 396
 397 static void do_quit(void)
 398 {
 399     exit(0);
 400 }
 401
 402 static int eject_device(BlockDriverState *bs, int force)
 403 {
 404     if (bdrv_is_inserted(bs)) {
 405         if (!force) {
 406             if (!bdrv_is_removable(bs)) {
 407                 term_printf("device is not removable\n");
 408                 return -1;
 409             }
 410             if (bdrv_is_locked(bs)) {
 411                 term_printf("device is locked\n");
 412                 return -1;
 413             }
 414         }
 415         bdrv_close(bs);
 416     }
 417     return 0;
 418 }
 419
 420 static void do_eject(int force, const char *filename)
 421 {
 422     BlockDriverState *bs;
 423
 424     bs = bdrv_find(filename);
 425     if (!bs) {
 426         term_printf("device not found\n");
 427         return;
 428     }
 429     eject_device(bs, force);
 430 }
 431
 432 static void do_change_block(const char *device, const char *filename)
 433 {
 434     BlockDriverState *bs;
 435
 436     bs = bdrv_find(device);
 437     if (!bs) {
 438         term_printf("device not found\n");
 439         return;
 440     }
 441     if (eject_device(bs, 0) < 0)
 442         return;
 443     bdrv_open(bs, filename, 0);
 444     qemu_key_check(bs, filename);
 445 }
 446
 447 static void do_change_vnc(const char *target)
 448 {
 449     if (strcmp(target, "passwd") == 0 ||
 450         strcmp(target, "password") == 0) {
 451         char password[9];
 452         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 453         password[sizeof(password)-1] = '\0';
 454         if (vnc_display_password(NULL, password) < 0)
 455             term_printf("could not set VNC server password\n");
 456     } else {
 457         if (vnc_display_open(NULL, target) < 0)
 458             term_printf("could not start VNC server on %s\n", target);
 459     }
 460 }
 461
 462 static void do_change(const char *device, const char *target)
 463 {
 464     if (strcmp(device, "vnc") == 0) {
 465         do_change_vnc(target);
 466     } else {
 467         do_change_block(device, target);
 468     }
 469 }
 470
 471 static void do_screen_dump(const char *filename)
 472 {
 473     vga_hw_screen_dump(filename);
 474 }
 475
 476 static void do_logfile(const char *filename)
 477 {
 478     cpu_set_log_filename(filename);
 479 }
 480
 481 static void do_log(const char *items)
 482 {
 483     int mask;
 484
 485     if (!strcmp(items, "none")) {
 486         mask = 0;
 487     } else {
 488         mask = cpu_str_to_log_mask(items);
 489         if (!mask) {
 490             help_cmd("log");
 491             return;
 492         }
 493     }
 494     cpu_set_log(mask);
 495 }
 496
 497 static void do_stop(void)
 498 {
 499     vm_stop(EXCP_INTERRUPT);
 500 }
 501
 502 static void do_cont(void)
 503 {
 504     vm_start();
 505 }
 506
 507 #ifdef CONFIG_GDBSTUB
 508 static void do_gdbserver(const char *port)
 509 {
 510     if (!port)
 511         port = DEFAULT_GDBSTUB_PORT;
 512     if (gdbserver_start(port) < 0) {
 513         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 514     } else {
 515         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 516     }
 517 }
 518 #endif
 519
 520 static void term_printc(int c)
 521 {
 522     term_printf("'");
 523     switch(c) {
 524     case '\'':
 525         term_printf("\\'");
 526         break;
 527     case '\\':
 528         term_printf("\\\\");
 529         break;
 530     case '\n':
 531         term_printf("\\n");
 532         break;
 533     case '\r':
 534         term_printf("\\r");
 535         break;
 536     default:
 537         if (c >= 32 && c <= 126) {
 538             term_printf("%c", c);
 539         } else {
 540             term_printf("\\x%02x", c);
 541         }
 542         break;
 543     }
 544     term_printf("'");
 545 }
 546
 547 static void memory_dump(int count, int format, int wsize,
 548                         target_phys_addr_t addr, int is_physical)
 549 {
 550     CPUState *env;
 551     int nb_per_line, l, line_size, i, max_digits, len;
 552     uint8_t buf[16];
 553     uint64_t v;
 554
 555     if (format == 'i') {
 556         int flags;
 557         flags = 0;
 558         env = mon_get_cpu();
 559         if (!env && !is_physical)
 560             return;
 561 #ifdef TARGET_I386
 562         if (wsize == 2) {
 563             flags = 1;
 564         } else if (wsize == 4) {
 565             flags = 0;
 566         } else {
 567             /* as default we use the current CS size */
 568             flags = 0;
 569             if (env) {
 570 #ifdef TARGET_X86_64
 571                 if ((env->efer & MSR_EFER_LMA) &&
 572                     (env->segs[R_CS].flags & DESC_L_MASK))
 573                     flags = 2;
 574                 else
 575 #endif
 576                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 577                     flags = 1;
 578             }
 579         }
 580 #endif
 581         monitor_disas(env, addr, count, is_physical, flags);
 582         return;
 583     }
 584
 585     len = wsize * count;
 586     if (wsize == 1)
 587         line_size = 8;
 588     else
 589         line_size = 16;
 590     nb_per_line = line_size / wsize;
 591     max_digits = 0;
 592
 593     switch(format) {
 594     case 'o':
 595         max_digits = (wsize * 8 + 2) / 3;
 596         break;
 597     default:
 598     case 'x':
 599         max_digits = (wsize * 8) / 4;
 600         break;
 601     case 'u':
 602     case 'd':
 603         max_digits = (wsize * 8 * 10 + 32) / 33;
 604         break;
 605     case 'c':
 606         wsize = 1;
 607         break;
 608     }
 609
 610     while (len > 0) {
 611         if (is_physical)
 612             term_printf(TARGET_FMT_plx ":", addr);
 613         else
 614             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 615         l = len;
 616         if (l > line_size)
 617             l = line_size;
 618         if (is_physical) {
 619             cpu_physical_memory_rw(addr, buf, l, 0);
 620         } else {
 621             env = mon_get_cpu();
 622             if (!env)
 623                 break;
 624             cpu_memory_rw_debug(env, addr, buf, l, 0);
 625         }
 626         i = 0;
 627         while (i < l) {
 628             switch(wsize) {
 629             default:
 630             case 1:
 631                 v = ldub_raw(buf + i);
 632                 break;
 633             case 2:
 634                 v = lduw_raw(buf + i);
 635                 break;
 636             case 4:
 637                 v = (uint32_t)ldl_raw(buf + i);
 638                 break;
 639             case 8:
 640                 v = ldq_raw(buf + i);
 641                 break;
 642             }
 643             term_printf(" ");
 644             switch(format) {
 645             case 'o':
 646                 term_printf("%#*" PRIo64, max_digits, v);
 647                 break;
 648             case 'x':
 649                 term_printf("0x%0*" PRIx64, max_digits, v);
 650                 break;
 651             case 'u':
 652                 term_printf("%*" PRIu64, max_digits, v);
 653                 break;
 654             case 'd':
 655                 term_printf("%*" PRId64, max_digits, v);
 656                 break;
 657             case 'c':
 658                 term_printc(v);
 659                 break;
 660             }
 661             i += wsize;
 662         }
 663         term_printf("\n");
 664         addr += l;
 665         len -= l;
 666     }
 667 }
 668
 669 #if TARGET_LONG_BITS == 64
 670 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 671 #else
 672 #define GET_TLONG(h, l) (l)
 673 #endif
 674
 675 static void do_memory_dump(int count, int format, int size,
 676                            uint32_t addrh, uint32_t addrl)
 677 {
 678     target_long addr = GET_TLONG(addrh, addrl);
 679     memory_dump(count, format, size, addr, 0);
 680 }
 681
 682 #if TARGET_PHYS_ADDR_BITS > 32
 683 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 684 #else
 685 #define GET_TPHYSADDR(h, l) (l)
 686 #endif
 687
 688 static void do_physical_memory_dump(int count, int format, int size,
 689                                     uint32_t addrh, uint32_t addrl)
 690
 691 {
 692     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 693     memory_dump(count, format, size, addr, 1);
 694 }
 695
 696 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 697 {
 698     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 699 #if TARGET_PHYS_ADDR_BITS == 32
 700     switch(format) {
 701     case 'o':
 702         term_printf("%#o", val);
 703         break;
 704     case 'x':
 705         term_printf("%#x", val);
 706         break;
 707     case 'u':
 708         term_printf("%u", val);
 709         break;
 710     default:
 711     case 'd':
 712         term_printf("%d", val);
 713         break;
 714     case 'c':
 715         term_printc(val);
 716         break;
 717     }
 718 #else
 719     switch(format) {
 720     case 'o':
 721         term_printf("%#" PRIo64, val);
 722         break;
 723     case 'x':
 724         term_printf("%#" PRIx64, val);
 725         break;
 726     case 'u':
 727         term_printf("%" PRIu64, val);
 728         break;
 729     default:
 730     case 'd':
 731         term_printf("%" PRId64, val);
 732         break;
 733     case 'c':
 734         term_printc(val);
 735         break;
 736     }
 737 #endif
 738     term_printf("\n");
 739 }
 740
 741 static void do_memory_save(unsigned int valh, unsigned int vall,
 742                            uint32_t size, const char *filename)
 743 {
 744     FILE *f;
 745     target_long addr = GET_TLONG(valh, vall);
 746     uint32_t l;
 747     CPUState *env;
 748     uint8_t buf[1024];
 749
 750     env = mon_get_cpu();
 751     if (!env)
 752         return;
 753
 754     f = fopen(filename, "wb");
 755     if (!f) {
 756         term_printf("could not open '%s'\n", filename);
 757         return;
 758     }
 759     while (size != 0) {
 760         l = sizeof(buf);
 761         if (l > size)
 762             l = size;
 763         cpu_memory_rw_debug(env, addr, buf, l, 0);
 764         fwrite(buf, 1, l, f);
 765         addr += l;
 766         size -= l;
 767     }
 768     fclose(f);
 769 }
 770
 771 static void do_sum(uint32_t start, uint32_t size)
 772 {
 773     uint32_t addr;
 774     uint8_t buf[1];
 775     uint16_t sum;
 776
 777     sum = 0;
 778     for(addr = start; addr < (start + size); addr++) {
 779         cpu_physical_memory_rw(addr, buf, 1, 0);
 780         /* BSD sum algorithm ('sum' Unix command) */
 781         sum = (sum >> 1) | (sum << 15);
 782         sum += buf[0];
 783     }
 784     term_printf("%05d\n", sum);
 785 }
 786
 787 typedef struct {
 788     int keycode;
 789     const char *name;
 790 } KeyDef;
 791
 792 static const KeyDef key_defs[] = {
 793     { 0x2a, "shift" },
 794     { 0x36, "shift_r" },
 795
 796     { 0x38, "alt" },
 797     { 0xb8, "alt_r" },
 798     { 0x1d, "ctrl" },
 799     { 0x9d, "ctrl_r" },
 800
 801     { 0xdd, "menu" },
 802
 803     { 0x01, "esc" },
 804
 805     { 0x02, "1" },
 806     { 0x03, "2" },
 807     { 0x04, "3" },
 808     { 0x05, "4" },
 809     { 0x06, "5" },
 810     { 0x07, "6" },
 811     { 0x08, "7" },
 812     { 0x09, "8" },
 813     { 0x0a, "9" },
 814     { 0x0b, "0" },
 815     { 0x0c, "minus" },
 816     { 0x0d, "equal" },
 817     { 0x0e, "backspace" },
 818
 819     { 0x0f, "tab" },
 820     { 0x10, "q" },
 821     { 0x11, "w" },
 822     { 0x12, "e" },
 823     { 0x13, "r" },
 824     { 0x14, "t" },
 825     { 0x15, "y" },
 826     { 0x16, "u" },
 827     { 0x17, "i" },
 828     { 0x18, "o" },
 829     { 0x19, "p" },
 830
 831     { 0x1c, "ret" },
 832
 833     { 0x1e, "a" },
 834     { 0x1f, "s" },
 835     { 0x20, "d" },
 836     { 0x21, "f" },
 837     { 0x22, "g" },
 838     { 0x23, "h" },
 839     { 0x24, "j" },
 840     { 0x25, "k" },
 841     { 0x26, "l" },
 842
 843     { 0x2c, "z" },
 844     { 0x2d, "x" },
 845     { 0x2e, "c" },
 846     { 0x2f, "v" },
 847     { 0x30, "b" },
 848     { 0x31, "n" },
 849     { 0x32, "m" },
 850
 851     { 0x37, "asterisk" },
 852
 853     { 0x39, "spc" },
 854     { 0x3a, "caps_lock" },
 855     { 0x3b, "f1" },
 856     { 0x3c, "f2" },
 857     { 0x3d, "f3" },
 858     { 0x3e, "f4" },
 859     { 0x3f, "f5" },
 860     { 0x40, "f6" },
 861     { 0x41, "f7" },
 862     { 0x42, "f8" },
 863     { 0x43, "f9" },
 864     { 0x44, "f10" },
 865     { 0x45, "num_lock" },
 866     { 0x46, "scroll_lock" },
 867
 868     { 0xb5, "kp_divide" },
 869     { 0x37, "kp_multiply" },
 870     { 0x4a, "kp_subtract" },
 871     { 0x4e, "kp_add" },
 872     { 0x9c, "kp_enter" },
 873     { 0x53, "kp_decimal" },
 874
 875     { 0x52, "kp_0" },
 876     { 0x4f, "kp_1" },
 877     { 0x50, "kp_2" },
 878     { 0x51, "kp_3" },
 879     { 0x4b, "kp_4" },
 880     { 0x4c, "kp_5" },
 881     { 0x4d, "kp_6" },
 882     { 0x47, "kp_7" },
 883     { 0x48, "kp_8" },
 884     { 0x49, "kp_9" },
 885
 886     { 0x56, "<" },
 887
 888     { 0x57, "f11" },
 889     { 0x58, "f12" },
 890
 891     { 0xb7, "print" },
 892
 893     { 0xc7, "home" },
 894     { 0xc9, "pgup" },
 895     { 0xd1, "pgdn" },
 896     { 0xcf, "end" },
 897
 898     { 0xcb, "left" },
 899     { 0xc8, "up" },
 900     { 0xd0, "down" },
 901     { 0xcd, "right" },
 902
 903     { 0xd2, "insert" },
 904     { 0xd3, "delete" },
 905     { 0, NULL },
 906 };
 907
 908 static int get_keycode(const char *key)
 909 {
 910     const KeyDef *p;
 911     char *endp;
 912     int ret;
 913
 914     for(p = key_defs; p->name != NULL; p++) {
 915         if (!strcmp(key, p->name))
 916             return p->keycode;
 917     }
 918     if (strstart(key, "0x", NULL)) {
 919         ret = strtoul(key, &endp, 0);
 920         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 921             return ret;
 922     }
 923     return -1;
 924 }
 925
 926 static void do_send_key(const char *string)
 927 {
 928     char keybuf[16], *q;
 929     uint8_t keycodes[16];
 930     const char *p;
 931     int nb_keycodes, keycode, i;
 932
 933     nb_keycodes = 0;
 934     p = string;
 935     while (*p != '\0') {
 936         q = keybuf;
 937         while (*p != '\0' && *p != '-') {
 938             if ((q - keybuf) < sizeof(keybuf) - 1) {
 939                 *q++ = *p;
 940             }
 941             p++;
 942         }
 943         *q = '\0';
 944         keycode = get_keycode(keybuf);
 945         if (keycode < 0) {
 946             term_printf("unknown key: '%s'\n", keybuf);
 947             return;
 948         }
 949         keycodes[nb_keycodes++] = keycode;
 950         if (*p == '\0')
 951             break;
 952         p++;
 953     }
 954     /* key down events */
 955     for(i = 0; i < nb_keycodes; i++) {
 956         keycode = keycodes[i];
 957         if (keycode & 0x80)
 958             kbd_put_keycode(0xe0);
 959         kbd_put_keycode(keycode & 0x7f);
 960     }
 961     /* key up events */
 962     for(i = nb_keycodes - 1; i >= 0; i--) {
 963         keycode = keycodes[i];
 964         if (keycode & 0x80)
 965             kbd_put_keycode(0xe0);
 966         kbd_put_keycode(keycode | 0x80);
 967     }
 968 }
 969
 970 static int mouse_button_state;
 971
 972 static void do_mouse_move(const char *dx_str, const char *dy_str,
 973                           const char *dz_str)
 974 {
 975     int dx, dy, dz;
 976     dx = strtol(dx_str, NULL, 0);
 977     dy = strtol(dy_str, NULL, 0);
 978     dz = 0;
 979     if (dz_str)
 980         dz = strtol(dz_str, NULL, 0);
 981     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 982 }
 983
 984 static void do_mouse_button(int button_state)
 985 {
 986     mouse_button_state = button_state;
 987     kbd_mouse_event(0, 0, 0, mouse_button_state);
 988 }
 989
 990 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 991 {
 992     uint32_t val;
 993     int suffix;
 994
 995     if (has_index) {
 996         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 997         addr++;
 998     }
 999     addr &= 0xffff;
1000
1001     switch(size) {
1002     default:
1003     case 1:
1004         val = cpu_inb(NULL, addr);
1005         suffix = 'b';
1006         break;
1007     case 2:
1008         val = cpu_inw(NULL, addr);
1009         suffix = 'w';
1010         break;
1011     case 4:
1012         val = cpu_inl(NULL, addr);
1013         suffix = 'l';
1014         break;
1015     }
1016     term_printf("port%c[0x%04x] = %#0*x\n",
1017                 suffix, addr, size * 2, val);
1018 }
1019
1020 static void do_system_reset(void)
1021 {
1022     qemu_system_reset_request();
1023 }
1024
1025 static void do_system_powerdown(void)
1026 {
1027     qemu_system_powerdown_request();
1028 }
1029
1030 #if defined(TARGET_I386)
1031 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1032 {
1033     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1034                 addr,
1035                 pte & mask,
1036                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1037                 pte & PG_PSE_MASK ? 'P' : '-',
1038                 pte & PG_DIRTY_MASK ? 'D' : '-',
1039                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1040                 pte & PG_PCD_MASK ? 'C' : '-',
1041                 pte & PG_PWT_MASK ? 'T' : '-',
1042                 pte & PG_USER_MASK ? 'U' : '-',
1043                 pte & PG_RW_MASK ? 'W' : '-');
1044 }
1045
1046 static void tlb_info(void)
1047 {
1048     CPUState *env;
1049     int l1, l2;
1050     uint32_t pgd, pde, pte;
1051
1052     env = mon_get_cpu();
1053     if (!env)
1054         return;
1055
1056     if (!(env->cr[0] & CR0_PG_MASK)) {
1057         term_printf("PG disabled\n");
1058         return;
1059     }
1060     pgd = env->cr[3] & ~0xfff;
1061     for(l1 = 0; l1 < 1024; l1++) {
1062         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1063         pde = le32_to_cpu(pde);
1064         if (pde & PG_PRESENT_MASK) {
1065             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1066                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1067             } else {
1068                 for(l2 = 0; l2 < 1024; l2++) {
1069                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1070                                              (uint8_t *)&pte, 4);
1071                     pte = le32_to_cpu(pte);
1072                     if (pte & PG_PRESENT_MASK) {
1073                         print_pte((l1 << 22) + (l2 << 12),
1074                                   pte & ~PG_PSE_MASK,
1075                                   ~0xfff);
1076                     }
1077                 }
1078             }
1079         }
1080     }
1081 }
1082
1083 static void mem_print(uint32_t *pstart, int *plast_prot,
1084                       uint32_t end, int prot)
1085 {
1086     int prot1;
1087     prot1 = *plast_prot;
1088     if (prot != prot1) {
1089         if (*pstart != -1) {
1090             term_printf("%08x-%08x %08x %c%c%c\n",
1091                         *pstart, end, end - *pstart,
1092                         prot1 & PG_USER_MASK ? 'u' : '-',
1093                         'r',
1094                         prot1 & PG_RW_MASK ? 'w' : '-');
1095         }
1096         if (prot != 0)
1097             *pstart = end;
1098         else
1099             *pstart = -1;
1100         *plast_prot = prot;
1101     }
1102 }
1103
1104 static void mem_info(void)
1105 {
1106     CPUState *env;
1107     int l1, l2, prot, last_prot;
1108     uint32_t pgd, pde, pte, start, end;
1109
1110     env = mon_get_cpu();
1111     if (!env)
1112         return;
1113
1114     if (!(env->cr[0] & CR0_PG_MASK)) {
1115         term_printf("PG disabled\n");
1116         return;
1117     }
1118     pgd = env->cr[3] & ~0xfff;
1119     last_prot = 0;
1120     start = -1;
1121     for(l1 = 0; l1 < 1024; l1++) {
1122         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1123         pde = le32_to_cpu(pde);
1124         end = l1 << 22;
1125         if (pde & PG_PRESENT_MASK) {
1126             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1127                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1128                 mem_print(&start, &last_prot, end, prot);
1129             } else {
1130                 for(l2 = 0; l2 < 1024; l2++) {
1131                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1132                                              (uint8_t *)&pte, 4);
1133                     pte = le32_to_cpu(pte);
1134                     end = (l1 << 22) + (l2 << 12);
1135                     if (pte & PG_PRESENT_MASK) {
1136                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1137                     } else {
1138                         prot = 0;
1139                     }
1140                     mem_print(&start, &last_prot, end, prot);
1141                 }
1142             }
1143         } else {
1144             prot = 0;
1145             mem_print(&start, &last_prot, end, prot);
1146         }
1147     }
1148 }
1149 #endif
1150
1151 static void do_info_kqemu(void)
1152 {
1153 #ifdef USE_KQEMU
1154     CPUState *env;
1155     int val;
1156     val = 0;
1157     env = mon_get_cpu();
1158     if (!env) {
1159         term_printf("No cpu initialized yet");
1160         return;
1161     }
1162     val = env->kqemu_enabled;
1163     term_printf("kqemu support: ");
1164     switch(val) {
1165     default:
1166     case 0:
1167         term_printf("disabled\n");
1168         break;
1169     case 1:
1170         term_printf("enabled for user code\n");
1171         break;
1172     case 2:
1173         term_printf("enabled for user and kernel code\n");
1174         break;
1175     }
1176 #else
1177     term_printf("kqemu support: not compiled\n");
1178 #endif
1179 }
1180
1181 #ifdef CONFIG_PROFILER
1182
1183 int64_t kqemu_time;
1184 int64_t qemu_time;
1185 int64_t kqemu_exec_count;
1186 int64_t dev_time;
1187 int64_t kqemu_ret_int_count;
1188 int64_t kqemu_ret_excp_count;
1189 int64_t kqemu_ret_intr_count;
1190
1191 static void do_info_profile(void)
1192 {
1193     int64_t total;
1194     total = qemu_time;
1195     if (total == 0)
1196         total = 1;
1197     term_printf("async time  %" PRId64 " (%0.3f)\n",
1198                 dev_time, dev_time / (double)ticks_per_sec);
1199     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1200                 qemu_time, qemu_time / (double)ticks_per_sec);
1201     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1202                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1203                 kqemu_time / (double)total * 100.0,
1204                 kqemu_exec_count,
1205                 kqemu_ret_int_count,
1206                 kqemu_ret_excp_count,
1207                 kqemu_ret_intr_count);
1208     qemu_time = 0;
1209     kqemu_time = 0;
1210     kqemu_exec_count = 0;
1211     dev_time = 0;
1212     kqemu_ret_int_count = 0;
1213     kqemu_ret_excp_count = 0;
1214     kqemu_ret_intr_count = 0;
1215 #ifdef USE_KQEMU
1216     kqemu_record_dump();
1217 #endif
1218 }
1219 #else
1220 static void do_info_profile(void)
1221 {
1222     term_printf("Internal profiler not compiled\n");
1223 }
1224 #endif
1225
1226 /* Capture support */
1227 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1228
1229 static void do_info_capture (void)
1230 {
1231     int i;
1232     CaptureState *s;
1233
1234     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1235         term_printf ("[%d]: ", i);
1236         s->ops.info (s->opaque);
1237     }
1238 }
1239
1240 static void do_stop_capture (int n)
1241 {
1242     int i;
1243     CaptureState *s;
1244
1245     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1246         if (i == n) {
1247             s->ops.destroy (s->opaque);
1248             LIST_REMOVE (s, entries);
1249             qemu_free (s);
1250             return;
1251         }
1252     }
1253 }
1254
1255 #ifdef HAS_AUDIO
1256 int wav_start_capture (CaptureState *s, const char *path, int freq,
1257                        int bits, int nchannels);
1258
1259 static void do_wav_capture (const char *path,
1260                             int has_freq, int freq,
1261                             int has_bits, int bits,
1262                             int has_channels, int nchannels)
1263 {
1264     CaptureState *s;
1265
1266     s = qemu_mallocz (sizeof (*s));
1267     if (!s) {
1268         term_printf ("Not enough memory to add wave capture\n");
1269         return;
1270     }
1271
1272     freq = has_freq ? freq : 44100;
1273     bits = has_bits ? bits : 16;
1274     nchannels = has_channels ? nchannels : 2;
1275
1276     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1277         term_printf ("Faied to add wave capture\n");
1278         qemu_free (s);
1279     }
1280     LIST_INSERT_HEAD (&capture_head, s, entries);
1281 }
1282 #endif
1283
1284 static term_cmd_t term_cmds[] = {
1285     { "help|?", "s?", do_help,
1286       "[cmd]", "show the help" },
1287     { "commit", "s", do_commit,
1288       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1289     { "info", "s?", do_info,
1290       "subcommand", "show various information about the system state" },
1291     { "q|quit", "", do_quit,
1292       "", "quit the emulator" },
1293     { "eject", "-fB", do_eject,
1294       "[-f] device", "eject a removable medium (use -f to force it)" },
1295     { "change", "BF", do_change,
1296       "device filename", "change a removable medium" },
1297     { "screendump", "F", do_screen_dump,
1298       "filename", "save screen into PPM image 'filename'" },
1299     { "logfile", "s", do_logfile,
1300       "filename", "output logs to 'filename'" },
1301     { "log", "s", do_log,
1302       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1303     { "savevm", "s?", do_savevm,
1304       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1305     { "loadvm", "s", do_loadvm,
1306       "tag|id", "restore a VM snapshot from its tag or id" },
1307     { "delvm", "s", do_delvm,
1308       "tag|id", "delete a VM snapshot from its tag or id" },
1309     { "stop", "", do_stop,
1310       "", "stop emulation", },
1311     { "c|cont", "", do_cont,
1312       "", "resume emulation", },
1313 #ifdef CONFIG_GDBSTUB
1314     { "gdbserver", "s?", do_gdbserver,
1315       "[port]", "start gdbserver session (default port=1234)", },
1316 #endif
1317     { "x", "/l", do_memory_dump,
1318       "/fmt addr", "virtual memory dump starting at 'addr'", },
1319     { "xp", "/l", do_physical_memory_dump,
1320       "/fmt addr", "physical memory dump starting at 'addr'", },
1321     { "p|print", "/l", do_print,
1322       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1323     { "i", "/ii.", do_ioport_read,
1324       "/fmt addr", "I/O port read" },
1325
1326     { "sendkey", "s", do_send_key,
1327       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1328     { "system_reset", "", do_system_reset,
1329       "", "reset the system" },
1330     { "system_powerdown", "", do_system_powerdown,
1331       "", "send system power down event" },
1332     { "sum", "ii", do_sum,
1333       "addr size", "compute the checksum of a memory region" },
1334     { "usb_add", "s", do_usb_add,
1335       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1336     { "usb_del", "s", do_usb_del,
1337       "device", "remove USB device 'bus.addr'" },
1338     { "cpu", "i", do_cpu_set,
1339       "index", "set the default CPU" },
1340     { "mouse_move", "sss?", do_mouse_move,
1341       "dx dy [dz]", "send mouse move events" },
1342     { "mouse_button", "i", do_mouse_button,
1343       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1344     { "mouse_set", "i", do_mouse_set,
1345       "index", "set which mouse device receives events" },
1346 #ifdef HAS_AUDIO
1347     { "wavcapture", "si?i?i?", do_wav_capture,
1348       "path [frequency bits channels]",
1349       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1350 #endif
1351      { "stopcapture", "i", do_stop_capture,
1352        "capture index", "stop capture" },
1353     { "memsave", "lis", do_memory_save,
1354       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1355     { "migrate", "-ds", do_migrate,
1356       "[-d] command", "migrate the VM using command (use -d to not wait for command to complete)" },
1357     { "migrate_cancel", "", do_migrate_cancel,
1358       "", "cancel the current VM migration" },
1359     { "migrate_set_speed", "s", do_migrate_set_speed,
1360       "value", "set maximum speed (in bytes) for migrations" },
1361     { "cpu_set", "is", do_cpu_set_nr, "cpu [online|offline]", "change cpu state" },
1362     { "drive_add", "iss", drive_hot_add, "pcibus pcidevfn [file=file][,if=type][,bus=n]\n"
1363                                         "[,unit=m][,media=d][index=i]\n"
1364                                         "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
1365                                         "[snapshot=on|off][,cache=on|off]",
1366                                         "add drive to PCI storage controller" },
1367     { "pci_add", "iss", device_hot_add, "bus nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
1368     { "pci_del", "ii", device_hot_remove, "bus slot-number", "hot remove PCI device" },
1369     { NULL, NULL, },
1370 };
1371
1372 static term_cmd_t info_cmds[] = {
1373     { "version", "", do_info_version,
1374       "", "show the version of qemu" },
1375     { "network", "", do_info_network,
1376       "", "show the network state" },
1377     { "block", "", do_info_block,
1378       "", "show the block devices" },
1379     { "blockstats", "", do_info_blockstats,
1380       "", "show block device statistics" },
1381     { "registers", "", do_info_registers,
1382       "", "show the cpu registers" },
1383     { "cpus", "", do_info_cpus,
1384       "", "show infos for each CPU" },
1385     { "history", "", do_info_history,
1386       "", "show the command line history", },
1387     { "irq", "", irq_info,
1388       "", "show the interrupts statistics (if available)", },
1389     { "pic", "", pic_info,
1390       "", "show i8259 (PIC) state", },
1391     { "pci", "", pci_info,
1392       "", "show PCI info", },
1393 #if defined(TARGET_I386)
1394     { "tlb", "", tlb_info,
1395       "", "show virtual to physical memory mappings", },
1396     { "mem", "", mem_info,
1397       "", "show the active virtual memory mappings", },
1398 #endif
1399     { "jit", "", do_info_jit,
1400       "", "show dynamic compiler info", },
1401     { "kqemu", "", do_info_kqemu,
1402       "", "show kqemu information", },
1403     { "usb", "", usb_info,
1404       "", "show guest USB devices", },
1405     { "usbhost", "", usb_host_info,
1406       "", "show host USB devices", },
1407     { "profile", "", do_info_profile,
1408       "", "show profiling information", },
1409     { "capture", "", do_info_capture,
1410       "", "show capture information" },
1411     { "snapshots", "", do_info_snapshots,
1412       "", "show the currently saved VM snapshots" },
1413     { "pcmcia", "", pcmcia_info,
1414       "", "show guest PCMCIA status" },
1415     { "mice", "", do_info_mice,
1416       "", "show which guest mouse is receiving events" },
1417     { "vnc", "", do_info_vnc,
1418       "", "show the vnc server status"},
1419     { "name", "", do_info_name,
1420       "", "show the current VM name" },
1421 #if defined(TARGET_PPC)
1422     { "cpustats", "", do_info_cpu_stats,
1423       "", "show CPU statistics", },
1424 #endif
1425 #if defined(CONFIG_SLIRP)
1426     { "slirp", "", do_info_slirp,
1427       "", "show SLIRP statistics", },
1428 #endif
1429     { "migration", "", do_info_migration,
1430       "", "show migration information" },
1431     { NULL, NULL, },
1432 };
1433
1434 /*******************************************************************/
1435
1436 static const char *pch;
1437 static jmp_buf expr_env;
1438
1439 #define MD_TLONG 0
1440 #define MD_I32   1
1441
1442 typedef struct MonitorDef {
1443     const char *name;
1444     int offset;
1445     target_long (*get_value)(struct MonitorDef *md, int val);
1446     int type;
1447 } MonitorDef;
1448
1449 #if defined(TARGET_I386)
1450 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1451 {
1452     CPUState *env = mon_get_cpu();
1453     if (!env)
1454         return 0;
1455     return env->eip + env->segs[R_CS].base;
1456 }
1457 #endif
1458
1459 #if defined(TARGET_PPC)
1460 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1461 {
1462     CPUState *env = mon_get_cpu();
1463     unsigned int u;
1464     int i;
1465
1466     if (!env)
1467         return 0;
1468
1469     u = 0;
1470     for (i = 0; i < 8; i++)
1471         u |= env->crf[i] << (32 - (4 * i));
1472
1473     return u;
1474 }
1475
1476 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1477 {
1478     CPUState *env = mon_get_cpu();
1479     if (!env)
1480         return 0;
1481     return env->msr;
1482 }
1483
1484 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1485 {
1486     CPUState *env = mon_get_cpu();
1487     if (!env)
1488         return 0;
1489     return ppc_load_xer(env);
1490 }
1491
1492 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1493 {
1494     CPUState *env = mon_get_cpu();
1495     if (!env)
1496         return 0;
1497     return cpu_ppc_load_decr(env);
1498 }
1499
1500 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1501 {
1502     CPUState *env = mon_get_cpu();
1503     if (!env)
1504         return 0;
1505     return cpu_ppc_load_tbu(env);
1506 }
1507
1508 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1509 {
1510     CPUState *env = mon_get_cpu();
1511     if (!env)
1512         return 0;
1513     return cpu_ppc_load_tbl(env);
1514 }
1515 #endif
1516
1517 #if defined(TARGET_SPARC)
1518 #ifndef TARGET_SPARC64
1519 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1520 {
1521     CPUState *env = mon_get_cpu();
1522     if (!env)
1523         return 0;
1524     return GET_PSR(env);
1525 }
1526 #endif
1527
1528 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1529 {
1530     CPUState *env = mon_get_cpu();
1531     if (!env)
1532         return 0;
1533     return env->regwptr[val];
1534 }
1535 #endif
1536
1537 static MonitorDef monitor_defs[] = {
1538 #ifdef TARGET_I386
1539
1540 #define SEG(name, seg) \
1541     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1542     { name ".base", offsetof(CPUState, segs[seg].base) },\
1543     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1544
1545     { "eax", offsetof(CPUState, regs[0]) },
1546     { "ecx", offsetof(CPUState, regs[1]) },
1547     { "edx", offsetof(CPUState, regs[2]) },
1548     { "ebx", offsetof(CPUState, regs[3]) },
1549     { "esp|sp", offsetof(CPUState, regs[4]) },
1550     { "ebp|fp", offsetof(CPUState, regs[5]) },
1551     { "esi", offsetof(CPUState, regs[6]) },
1552     { "edi", offsetof(CPUState, regs[7]) },
1553 #ifdef TARGET_X86_64
1554     { "r8", offsetof(CPUState, regs[8]) },
1555     { "r9", offsetof(CPUState, regs[9]) },
1556     { "r10", offsetof(CPUState, regs[10]) },
1557     { "r11", offsetof(CPUState, regs[11]) },
1558     { "r12", offsetof(CPUState, regs[12]) },
1559     { "r13", offsetof(CPUState, regs[13]) },
1560     { "r14", offsetof(CPUState, regs[14]) },
1561     { "r15", offsetof(CPUState, regs[15]) },
1562 #endif
1563     { "eflags", offsetof(CPUState, eflags) },
1564     { "eip", offsetof(CPUState, eip) },
1565     SEG("cs", R_CS)
1566     SEG("ds", R_DS)
1567     SEG("es", R_ES)
1568     SEG("ss", R_SS)
1569     SEG("fs", R_FS)
1570     SEG("gs", R_GS)
1571     { "pc", 0, monitor_get_pc, },
1572 #elif defined(TARGET_PPC)
1573     /* General purpose registers */
1574     { "r0", offsetof(CPUState, gpr[0]) },
1575     { "r1", offsetof(CPUState, gpr[1]) },
1576     { "r2", offsetof(CPUState, gpr[2]) },
1577     { "r3", offsetof(CPUState, gpr[3]) },
1578     { "r4", offsetof(CPUState, gpr[4]) },
1579     { "r5", offsetof(CPUState, gpr[5]) },
1580     { "r6", offsetof(CPUState, gpr[6]) },
1581     { "r7", offsetof(CPUState, gpr[7]) },
1582     { "r8", offsetof(CPUState, gpr[8]) },
1583     { "r9", offsetof(CPUState, gpr[9]) },
1584     { "r10", offsetof(CPUState, gpr[10]) },
1585     { "r11", offsetof(CPUState, gpr[11]) },
1586     { "r12", offsetof(CPUState, gpr[12]) },
1587     { "r13", offsetof(CPUState, gpr[13]) },
1588     { "r14", offsetof(CPUState, gpr[14]) },
1589     { "r15", offsetof(CPUState, gpr[15]) },
1590     { "r16", offsetof(CPUState, gpr[16]) },
1591     { "r17", offsetof(CPUState, gpr[17]) },
1592     { "r18", offsetof(CPUState, gpr[18]) },
1593     { "r19", offsetof(CPUState, gpr[19]) },
1594     { "r20", offsetof(CPUState, gpr[20]) },
1595     { "r21", offsetof(CPUState, gpr[21]) },
1596     { "r22", offsetof(CPUState, gpr[22]) },
1597     { "r23", offsetof(CPUState, gpr[23]) },
1598     { "r24", offsetof(CPUState, gpr[24]) },
1599     { "r25", offsetof(CPUState, gpr[25]) },
1600     { "r26", offsetof(CPUState, gpr[26]) },
1601     { "r27", offsetof(CPUState, gpr[27]) },
1602     { "r28", offsetof(CPUState, gpr[28]) },
1603     { "r29", offsetof(CPUState, gpr[29]) },
1604     { "r30", offsetof(CPUState, gpr[30]) },
1605     { "r31", offsetof(CPUState, gpr[31]) },
1606     /* Floating point registers */
1607     { "f0", offsetof(CPUState, fpr[0]) },
1608     { "f1", offsetof(CPUState, fpr[1]) },
1609     { "f2", offsetof(CPUState, fpr[2]) },
1610     { "f3", offsetof(CPUState, fpr[3]) },
1611     { "f4", offsetof(CPUState, fpr[4]) },
1612     { "f5", offsetof(CPUState, fpr[5]) },
1613     { "f6", offsetof(CPUState, fpr[6]) },
1614     { "f7", offsetof(CPUState, fpr[7]) },
1615     { "f8", offsetof(CPUState, fpr[8]) },
1616     { "f9", offsetof(CPUState, fpr[9]) },
1617     { "f10", offsetof(CPUState, fpr[10]) },
1618     { "f11", offsetof(CPUState, fpr[11]) },
1619     { "f12", offsetof(CPUState, fpr[12]) },
1620     { "f13", offsetof(CPUState, fpr[13]) },
1621     { "f14", offsetof(CPUState, fpr[14]) },
1622     { "f15", offsetof(CPUState, fpr[15]) },
1623     { "f16", offsetof(CPUState, fpr[16]) },
1624     { "f17", offsetof(CPUState, fpr[17]) },
1625     { "f18", offsetof(CPUState, fpr[18]) },
1626     { "f19", offsetof(CPUState, fpr[19]) },
1627     { "f20", offsetof(CPUState, fpr[20]) },
1628     { "f21", offsetof(CPUState, fpr[21]) },
1629     { "f22", offsetof(CPUState, fpr[22]) },
1630     { "f23", offsetof(CPUState, fpr[23]) },
1631     { "f24", offsetof(CPUState, fpr[24]) },
1632     { "f25", offsetof(CPUState, fpr[25]) },
1633     { "f26", offsetof(CPUState, fpr[26]) },
1634     { "f27", offsetof(CPUState, fpr[27]) },
1635     { "f28", offsetof(CPUState, fpr[28]) },
1636     { "f29", offsetof(CPUState, fpr[29]) },
1637     { "f30", offsetof(CPUState, fpr[30]) },
1638     { "f31", offsetof(CPUState, fpr[31]) },
1639     { "fpscr", offsetof(CPUState, fpscr) },
1640     /* Next instruction pointer */
1641     { "nip|pc", offsetof(CPUState, nip) },
1642     { "lr", offsetof(CPUState, lr) },
1643     { "ctr", offsetof(CPUState, ctr) },
1644     { "decr", 0, &monitor_get_decr, },
1645     { "ccr", 0, &monitor_get_ccr, },
1646     /* Machine state register */
1647     { "msr", 0, &monitor_get_msr, },
1648     { "xer", 0, &monitor_get_xer, },
1649     { "tbu", 0, &monitor_get_tbu, },
1650     { "tbl", 0, &monitor_get_tbl, },
1651 #if defined(TARGET_PPC64)
1652     /* Address space register */
1653     { "asr", offsetof(CPUState, asr) },
1654 #endif
1655     /* Segment registers */
1656     { "sdr1", offsetof(CPUState, sdr1) },
1657     { "sr0", offsetof(CPUState, sr[0]) },
1658     { "sr1", offsetof(CPUState, sr[1]) },
1659     { "sr2", offsetof(CPUState, sr[2]) },
1660     { "sr3", offsetof(CPUState, sr[3]) },
1661     { "sr4", offsetof(CPUState, sr[4]) },
1662     { "sr5", offsetof(CPUState, sr[5]) },
1663     { "sr6", offsetof(CPUState, sr[6]) },
1664     { "sr7", offsetof(CPUState, sr[7]) },
1665     { "sr8", offsetof(CPUState, sr[8]) },
1666     { "sr9", offsetof(CPUState, sr[9]) },
1667     { "sr10", offsetof(CPUState, sr[10]) },
1668     { "sr11", offsetof(CPUState, sr[11]) },
1669     { "sr12", offsetof(CPUState, sr[12]) },
1670     { "sr13", offsetof(CPUState, sr[13]) },
1671     { "sr14", offsetof(CPUState, sr[14]) },
1672     { "sr15", offsetof(CPUState, sr[15]) },
1673     /* Too lazy to put BATs and SPRs ... */
1674 #elif defined(TARGET_SPARC)
1675     { "g0", offsetof(CPUState, gregs[0]) },
1676     { "g1", offsetof(CPUState, gregs[1]) },
1677     { "g2", offsetof(CPUState, gregs[2]) },
1678     { "g3", offsetof(CPUState, gregs[3]) },
1679     { "g4", offsetof(CPUState, gregs[4]) },
1680     { "g5", offsetof(CPUState, gregs[5]) },
1681     { "g6", offsetof(CPUState, gregs[6]) },
1682     { "g7", offsetof(CPUState, gregs[7]) },
1683     { "o0", 0, monitor_get_reg },
1684     { "o1", 1, monitor_get_reg },
1685     { "o2", 2, monitor_get_reg },
1686     { "o3", 3, monitor_get_reg },
1687     { "o4", 4, monitor_get_reg },
1688     { "o5", 5, monitor_get_reg },
1689     { "o6", 6, monitor_get_reg },
1690     { "o7", 7, monitor_get_reg },
1691     { "l0", 8, monitor_get_reg },
1692     { "l1", 9, monitor_get_reg },
1693     { "l2", 10, monitor_get_reg },
1694     { "l3", 11, monitor_get_reg },
1695     { "l4", 12, monitor_get_reg },
1696     { "l5", 13, monitor_get_reg },
1697     { "l6", 14, monitor_get_reg },
1698     { "l7", 15, monitor_get_reg },
1699     { "i0", 16, monitor_get_reg },
1700     { "i1", 17, monitor_get_reg },
1701     { "i2", 18, monitor_get_reg },
1702     { "i3", 19, monitor_get_reg },
1703     { "i4", 20, monitor_get_reg },
1704     { "i5", 21, monitor_get_reg },
1705     { "i6", 22, monitor_get_reg },
1706     { "i7", 23, monitor_get_reg },
1707     { "pc", offsetof(CPUState, pc) },
1708     { "npc", offsetof(CPUState, npc) },
1709     { "y", offsetof(CPUState, y) },
1710 #ifndef TARGET_SPARC64
1711     { "psr", 0, &monitor_get_psr, },
1712     { "wim", offsetof(CPUState, wim) },
1713 #endif
1714     { "tbr", offsetof(CPUState, tbr) },
1715     { "fsr", offsetof(CPUState, fsr) },
1716     { "f0", offsetof(CPUState, fpr[0]) },
1717     { "f1", offsetof(CPUState, fpr[1]) },
1718     { "f2", offsetof(CPUState, fpr[2]) },
1719     { "f3", offsetof(CPUState, fpr[3]) },
1720     { "f4", offsetof(CPUState, fpr[4]) },
1721     { "f5", offsetof(CPUState, fpr[5]) },
1722     { "f6", offsetof(CPUState, fpr[6]) },
1723     { "f7", offsetof(CPUState, fpr[7]) },
1724     { "f8", offsetof(CPUState, fpr[8]) },
1725     { "f9", offsetof(CPUState, fpr[9]) },
1726     { "f10", offsetof(CPUState, fpr[10]) },
1727     { "f11", offsetof(CPUState, fpr[11]) },
1728     { "f12", offsetof(CPUState, fpr[12]) },
1729     { "f13", offsetof(CPUState, fpr[13]) },
1730     { "f14", offsetof(CPUState, fpr[14]) },
1731     { "f15", offsetof(CPUState, fpr[15]) },
1732     { "f16", offsetof(CPUState, fpr[16]) },
1733     { "f17", offsetof(CPUState, fpr[17]) },
1734     { "f18", offsetof(CPUState, fpr[18]) },
1735     { "f19", offsetof(CPUState, fpr[19]) },
1736     { "f20", offsetof(CPUState, fpr[20]) },
1737     { "f21", offsetof(CPUState, fpr[21]) },
1738     { "f22", offsetof(CPUState, fpr[22]) },
1739     { "f23", offsetof(CPUState, fpr[23]) },
1740     { "f24", offsetof(CPUState, fpr[24]) },
1741     { "f25", offsetof(CPUState, fpr[25]) },
1742     { "f26", offsetof(CPUState, fpr[26]) },
1743     { "f27", offsetof(CPUState, fpr[27]) },
1744     { "f28", offsetof(CPUState, fpr[28]) },
1745     { "f29", offsetof(CPUState, fpr[29]) },
1746     { "f30", offsetof(CPUState, fpr[30]) },
1747     { "f31", offsetof(CPUState, fpr[31]) },
1748 #ifdef TARGET_SPARC64
1749     { "f32", offsetof(CPUState, fpr[32]) },
1750     { "f34", offsetof(CPUState, fpr[34]) },
1751     { "f36", offsetof(CPUState, fpr[36]) },
1752     { "f38", offsetof(CPUState, fpr[38]) },
1753     { "f40", offsetof(CPUState, fpr[40]) },
1754     { "f42", offsetof(CPUState, fpr[42]) },
1755     { "f44", offsetof(CPUState, fpr[44]) },
1756     { "f46", offsetof(CPUState, fpr[46]) },
1757     { "f48", offsetof(CPUState, fpr[48]) },
1758     { "f50", offsetof(CPUState, fpr[50]) },
1759     { "f52", offsetof(CPUState, fpr[52]) },
1760     { "f54", offsetof(CPUState, fpr[54]) },
1761     { "f56", offsetof(CPUState, fpr[56]) },
1762     { "f58", offsetof(CPUState, fpr[58]) },
1763     { "f60", offsetof(CPUState, fpr[60]) },
1764     { "f62", offsetof(CPUState, fpr[62]) },
1765     { "asi", offsetof(CPUState, asi) },
1766     { "pstate", offsetof(CPUState, pstate) },
1767     { "cansave", offsetof(CPUState, cansave) },
1768     { "canrestore", offsetof(CPUState, canrestore) },
1769     { "otherwin", offsetof(CPUState, otherwin) },
1770     { "wstate", offsetof(CPUState, wstate) },
1771     { "cleanwin", offsetof(CPUState, cleanwin) },
1772     { "fprs", offsetof(CPUState, fprs) },
1773 #endif
1774 #endif
1775     { NULL },
1776 };
1777
1778 static void expr_error(const char *fmt)
1779 {
1780     term_printf(fmt);
1781     term_printf("\n");
1782     longjmp(expr_env, 1);
1783 }
1784
1785 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1786 static int get_monitor_def(target_long *pval, const char *name)
1787 {
1788     MonitorDef *md;
1789     void *ptr;
1790
1791     for(md = monitor_defs; md->name != NULL; md++) {
1792         if (compare_cmd(name, md->name)) {
1793             if (md->get_value) {
1794                 *pval = md->get_value(md, md->offset);
1795             } else {
1796                 CPUState *env = mon_get_cpu();
1797                 if (!env)
1798                     return -2;
1799                 ptr = (uint8_t *)env + md->offset;
1800                 switch(md->type) {
1801                 case MD_I32:
1802                     *pval = *(int32_t *)ptr;
1803                     break;
1804                 case MD_TLONG:
1805                     *pval = *(target_long *)ptr;
1806                     break;
1807                 default:
1808                     *pval = 0;
1809                     break;
1810                 }
1811             }
1812             return 0;
1813         }
1814     }
1815     return -1;
1816 }
1817
1818 static void next(void)
1819 {
1820     if (pch != '\0') {
1821         pch++;
1822         while (isspace(*pch))
1823             pch++;
1824     }
1825 }
1826
1827 static int64_t expr_sum(void);
1828
1829 static int64_t expr_unary(void)
1830 {
1831     int64_t n;
1832     char *p;
1833     int ret;
1834
1835     switch(*pch) {
1836     case '+':
1837         next();
1838         n = expr_unary();
1839         break;
1840     case '-':
1841         next();
1842         n = -expr_unary();
1843         break;
1844     case '~':
1845         next();
1846         n = ~expr_unary();
1847         break;
1848     case '(':
1849         next();
1850         n = expr_sum();
1851         if (*pch != ')') {
1852             expr_error("')' expected");
1853         }
1854         next();
1855         break;
1856     case '\'':
1857         pch++;
1858         if (*pch == '\0')
1859             expr_error("character constant expected");
1860         n = *pch;
1861         pch++;
1862         if (*pch != '\'')
1863             expr_error("missing terminating \' character");
1864         next();
1865         break;
1866     case '$':
1867         {
1868             char buf[128], *q;
1869             target_long reg=0;
1870
1871             pch++;
1872             q = buf;
1873             while ((*pch >= 'a' && *pch <= 'z') ||
1874                    (*pch >= 'A' && *pch <= 'Z') ||
1875                    (*pch >= '0' && *pch <= '9') ||
1876                    *pch == '_' || *pch == '.') {
1877                 if ((q - buf) < sizeof(buf) - 1)
1878                     *q++ = *pch;
1879                 pch++;
1880             }
1881             while (isspace(*pch))
1882                 pch++;
1883             *q = 0;
1884             ret = get_monitor_def(&reg, buf);
1885             if (ret == -1)
1886                 expr_error("unknown register");
1887             else if (ret == -2)
1888                 expr_error("no cpu defined");
1889             n = reg;
1890         }
1891         break;
1892     case '\0':
1893         expr_error("unexpected end of expression");
1894         n = 0;
1895         break;
1896     default:
1897 #if TARGET_PHYS_ADDR_BITS > 32
1898         n = strtoull(pch, &p, 0);
1899 #else
1900         n = strtoul(pch, &p, 0);
1901 #endif
1902         if (pch == p) {
1903             expr_error("invalid char in expression");
1904         }
1905         pch = p;
1906         while (isspace(*pch))
1907             pch++;
1908         break;
1909     }
1910     return n;
1911 }
1912
1913
1914 static int64_t expr_prod(void)
1915 {
1916     int64_t val, val2;
1917     int op;
1918
1919     val = expr_unary();
1920     for(;;) {
1921         op = *pch;
1922         if (op != '*' && op != '/' && op != '%')
1923             break;
1924         next();
1925         val2 = expr_unary();
1926         switch(op) {
1927         default:
1928         case '*':
1929             val *= val2;
1930             break;
1931         case '/':
1932         case '%':
1933             if (val2 == 0)
1934                 expr_error("division by zero");
1935             if (op == '/')
1936                 val /= val2;
1937             else
1938                 val %= val2;
1939             break;
1940         }
1941     }
1942     return val;
1943 }
1944
1945 static int64_t expr_logic(void)
1946 {
1947     int64_t val, val2;
1948     int op;
1949
1950     val = expr_prod();
1951     for(;;) {
1952         op = *pch;
1953         if (op != '&' && op != '|' && op != '^')
1954             break;
1955         next();
1956         val2 = expr_prod();
1957         switch(op) {
1958         default:
1959         case '&':
1960             val &= val2;
1961             break;
1962         case '|':
1963             val |= val2;
1964             break;
1965         case '^':
1966             val ^= val2;
1967             break;
1968         }
1969     }
1970     return val;
1971 }
1972
1973 static int64_t expr_sum(void)
1974 {
1975     int64_t val, val2;
1976     int op;
1977
1978     val = expr_logic();
1979     for(;;) {
1980         op = *pch;
1981         if (op != '+' && op != '-')
1982             break;
1983         next();
1984         val2 = expr_logic();
1985         if (op == '+')
1986             val += val2;
1987         else
1988             val -= val2;
1989     }
1990     return val;
1991 }
1992
1993 static int get_expr(int64_t *pval, const char **pp)
1994 {
1995     pch = *pp;
1996     if (setjmp(expr_env)) {
1997         *pp = pch;
1998         return -1;
1999     }
2000     while (isspace(*pch))
2001         pch++;
2002     *pval = expr_sum();
2003     *pp = pch;
2004     return 0;
2005 }
2006
2007 static int get_str(char *buf, int buf_size, const char **pp)
2008 {
2009     const char *p;
2010     char *q;
2011     int c;
2012
2013     q = buf;
2014     p = *pp;
2015     while (isspace(*p))
2016         p++;
2017     if (*p == '\0') {
2018     fail:
2019         *q = '\0';
2020         *pp = p;
2021         return -1;
2022     }
2023     if (*p == '\"') {
2024         p++;
2025         while (*p != '\0' && *p != '\"') {
2026             if (*p == '\\') {
2027                 p++;
2028                 c = *p++;
2029                 switch(c) {
2030                 case 'n':
2031                     c = '\n';
2032                     break;
2033                 case 'r':
2034                     c = '\r';
2035                     break;
2036                 case '\\':
2037                 case '\'':
2038                 case '\"':
2039                     break;
2040                 default:
2041                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2042                     goto fail;
2043                 }
2044                 if ((q - buf) < buf_size - 1) {
2045                     *q++ = c;
2046                 }
2047             } else {
2048                 if ((q - buf) < buf_size - 1) {
2049                     *q++ = *p;
2050                 }
2051                 p++;
2052             }
2053         }
2054         if (*p != '\"') {
2055             qemu_printf("unterminated string\n");
2056             goto fail;
2057         }
2058         p++;
2059     } else {
2060         while (*p != '\0' && !isspace(*p)) {
2061             if ((q - buf) < buf_size - 1) {
2062                 *q++ = *p;
2063             }
2064             p++;
2065         }
2066     }
2067     *q = '\0';
2068     *pp = p;
2069     return 0;
2070 }
2071
2072 static int default_fmt_format = 'x';
2073 static int default_fmt_size = 4;
2074
2075 #define MAX_ARGS 16
2076
2077 static void monitor_handle_command(const char *cmdline)
2078 {
2079     const char *p, *pstart, *typestr;
2080     char *q;
2081     int c, nb_args, len, i, has_arg;
2082     term_cmd_t *cmd;
2083     char cmdname[256];
2084     char buf[1024];
2085     void *str_allocated[MAX_ARGS];
2086     void *args[MAX_ARGS];
2087
2088 #ifdef DEBUG
2089     term_printf("command='%s'\n", cmdline);
2090 #endif
2091
2092     /* extract the command name */
2093     p = cmdline;
2094     q = cmdname;
2095     while (isspace(*p))
2096         p++;
2097     if (*p == '\0')
2098         return;
2099     pstart = p;
2100     while (*p != '\0' && *p != '/' && !isspace(*p))
2101         p++;
2102     len = p - pstart;
2103     if (len > sizeof(cmdname) - 1)
2104         len = sizeof(cmdname) - 1;
2105     memcpy(cmdname, pstart, len);
2106     cmdname[len] = '\0';
2107
2108     /* find the command */
2109     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2110         if (compare_cmd(cmdname, cmd->name))
2111             goto found;
2112     }
2113     term_printf("unknown command: '%s'\n", cmdname);
2114     return;
2115  found:
2116
2117     for(i = 0; i < MAX_ARGS; i++)
2118         str_allocated[i] = NULL;
2119
2120     /* parse the parameters */
2121     typestr = cmd->args_type;
2122     nb_args = 0;
2123     for(;;) {
2124         c = *typestr;
2125         if (c == '\0')
2126             break;
2127         typestr++;
2128         switch(c) {
2129         case 'F':
2130         case 'B':
2131         case 's':
2132             {
2133                 int ret;
2134                 char *str;
2135
2136                 while (isspace(*p))
2137                     p++;
2138                 if (*typestr == '?') {
2139                     typestr++;
2140                     if (*p == '\0') {
2141                         /* no optional string: NULL argument */
2142                         str = NULL;
2143                         goto add_str;
2144                     }
2145                 }
2146                 ret = get_str(buf, sizeof(buf), &p);
2147                 if (ret < 0) {
2148                     switch(c) {
2149                     case 'F':
2150                         term_printf("%s: filename expected\n", cmdname);
2151                         break;
2152                     case 'B':
2153                         term_printf("%s: block device name expected\n", cmdname);
2154                         break;
2155                     default:
2156                         term_printf("%s: string expected\n", cmdname);
2157                         break;
2158                     }
2159                     goto fail;
2160                 }
2161                 str = qemu_malloc(strlen(buf) + 1);
2162                 strcpy(str, buf);
2163                 str_allocated[nb_args] = str;
2164             add_str:
2165                 if (nb_args >= MAX_ARGS) {
2166                 error_args:
2167                     term_printf("%s: too many arguments\n", cmdname);
2168                     goto fail;
2169                 }
2170                 args[nb_args++] = str;
2171             }
2172             break;
2173         case '/':
2174             {
2175                 int count, format, size;
2176
2177                 while (isspace(*p))
2178                     p++;
2179                 if (*p == '/') {
2180                     /* format found */
2181                     p++;
2182                     count = 1;
2183                     if (isdigit(*p)) {
2184                         count = 0;
2185                         while (isdigit(*p)) {
2186                             count = count * 10 + (*p - '0');
2187                             p++;
2188                         }
2189                     }
2190                     size = -1;
2191                     format = -1;
2192                     for(;;) {
2193                         switch(*p) {
2194                         case 'o':
2195                         case 'd':
2196                         case 'u':
2197                         case 'x':
2198                         case 'i':
2199                         case 'c':
2200                             format = *p++;
2201                             break;
2202                         case 'b':
2203                             size = 1;
2204                             p++;
2205                             break;
2206                         case 'h':
2207                             size = 2;
2208                             p++;
2209                             break;
2210                         case 'w':
2211                             size = 4;
2212                             p++;
2213                             break;
2214                         case 'g':
2215                         case 'L':
2216                             size = 8;
2217                             p++;
2218                             break;
2219                         default:
2220                             goto next;
2221                         }
2222                     }
2223                 next:
2224                     if (*p != '\0' && !isspace(*p)) {
2225                         term_printf("invalid char in format: '%c'\n", *p);
2226                         goto fail;
2227                     }
2228                     if (format < 0)
2229                         format = default_fmt_format;
2230                     if (format != 'i') {
2231                         /* for 'i', not specifying a size gives -1 as size */
2232                         if (size < 0)
2233                             size = default_fmt_size;
2234                     }
2235                     default_fmt_size = size;
2236                     default_fmt_format = format;
2237                 } else {
2238                     count = 1;
2239                     format = default_fmt_format;
2240                     if (format != 'i') {
2241                         size = default_fmt_size;
2242                     } else {
2243                         size = -1;
2244                     }
2245                 }
2246                 if (nb_args + 3 > MAX_ARGS)
2247                     goto error_args;
2248                 args[nb_args++] = (void*)(long)count;
2249                 args[nb_args++] = (void*)(long)format;
2250                 args[nb_args++] = (void*)(long)size;
2251             }
2252             break;
2253         case 'i':
2254         case 'l':
2255             {
2256                 int64_t val;
2257
2258                 while (isspace(*p))
2259                     p++;
2260                 if (*typestr == '?' || *typestr == '.') {
2261                     if (*typestr == '?') {
2262                         if (*p == '\0')
2263                             has_arg = 0;
2264                         else
2265                             has_arg = 1;
2266                     } else {
2267                         if (*p == '.') {
2268                             p++;
2269                             while (isspace(*p))
2270                                 p++;
2271                             has_arg = 1;
2272                         } else {
2273                             has_arg = 0;
2274                         }
2275                     }
2276                     typestr++;
2277                     if (nb_args >= MAX_ARGS)
2278                         goto error_args;
2279                     args[nb_args++] = (void *)(long)has_arg;
2280                     if (!has_arg) {
2281                         if (nb_args >= MAX_ARGS)
2282                             goto error_args;
2283                         val = -1;
2284                         goto add_num;
2285                     }
2286                 }
2287                 if (get_expr(&val, &p))
2288                     goto fail;
2289             add_num:
2290                 if (c == 'i') {
2291                     if (nb_args >= MAX_ARGS)
2292                         goto error_args;
2293                     args[nb_args++] = (void *)(long)val;
2294                 } else {
2295                     if ((nb_args + 1) >= MAX_ARGS)
2296                         goto error_args;
2297 #if TARGET_PHYS_ADDR_BITS > 32
2298                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2299 #else
2300                     args[nb_args++] = (void *)0;
2301 #endif
2302                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2303                 }
2304             }
2305             break;
2306         case '-':
2307             {
2308                 int has_option;
2309                 /* option */
2310
2311                 c = *typestr++;
2312                 if (c == '\0')
2313                     goto bad_type;
2314                 while (isspace(*p))
2315                     p++;
2316                 has_option = 0;
2317                 if (*p == '-') {
2318                     p++;
2319                     if (*p != c) {
2320                         term_printf("%s: unsupported option -%c\n",
2321                                     cmdname, *p);
2322                         goto fail;
2323                     }
2324                     p++;
2325                     has_option = 1;
2326                 }
2327                 if (nb_args >= MAX_ARGS)
2328                     goto error_args;
2329                 args[nb_args++] = (void *)(long)has_option;
2330             }
2331             break;
2332         default:
2333         bad_type:
2334             term_printf("%s: unknown type '%c'\n", cmdname, c);
2335             goto fail;
2336         }
2337     }
2338     /* check that all arguments were parsed */
2339     while (isspace(*p))
2340         p++;
2341     if (*p != '\0') {
2342         term_printf("%s: extraneous characters at the end of line\n",
2343                     cmdname);
2344         goto fail;
2345     }
2346
2347     switch(nb_args) {
2348     case 0:
2349         cmd->handler();
2350         break;
2351     case 1:
2352         cmd->handler(args[0]);
2353         break;
2354     case 2:
2355         cmd->handler(args[0], args[1]);
2356         break;
2357     case 3:
2358         cmd->handler(args[0], args[1], args[2]);
2359         break;
2360     case 4:
2361         cmd->handler(args[0], args[1], args[2], args[3]);
2362         break;
2363     case 5:
2364         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2365         break;
2366     case 6:
2367         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2368         break;
2369     case 7:
2370         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2371         break;
2372     default:
2373         term_printf("unsupported number of arguments: %d\n", nb_args);
2374         goto fail;
2375     }
2376  fail:
2377     for(i = 0; i < MAX_ARGS; i++)
2378         qemu_free(str_allocated[i]);
2379     return;
2380 }
2381
2382 static void cmd_completion(const char *name, const char *list)
2383 {
2384     const char *p, *pstart;
2385     char cmd[128];
2386     int len;
2387
2388     p = list;
2389     for(;;) {
2390         pstart = p;
2391         p = strchr(p, '|');
2392         if (!p)
2393             p = pstart + strlen(pstart);
2394         len = p - pstart;
2395         if (len > sizeof(cmd) - 2)
2396             len = sizeof(cmd) - 2;
2397         memcpy(cmd, pstart, len);
2398         cmd[len] = '\0';
2399         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2400             add_completion(cmd);
2401         }
2402         if (*p == '\0')
2403             break;
2404         p++;
2405     }
2406 }
2407
2408 static void file_completion(const char *input)
2409 {
2410     DIR *ffs;
2411     struct dirent *d;
2412     char path[1024];
2413     char file[1024], file_prefix[1024];
2414     int input_path_len;
2415     const char *p;
2416
2417     p = strrchr(input, '/');
2418     if (!p) {
2419         input_path_len = 0;
2420         pstrcpy(file_prefix, sizeof(file_prefix), input);
2421         strcpy(path, ".");
2422     } else {
2423         input_path_len = p - input + 1;
2424         memcpy(path, input, input_path_len);
2425         if (input_path_len > sizeof(path) - 1)
2426             input_path_len = sizeof(path) - 1;
2427         path[input_path_len] = '\0';
2428         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2429     }
2430 #ifdef DEBUG_COMPLETION
2431     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2432 #endif
2433     ffs = opendir(path);
2434     if (!ffs)
2435         return;
2436     for(;;) {
2437         struct stat sb;
2438         d = readdir(ffs);
2439         if (!d)
2440             break;
2441         if (strstart(d->d_name, file_prefix, NULL)) {
2442             memcpy(file, input, input_path_len);
2443             strcpy(file + input_path_len, d->d_name);
2444             /* stat the file to find out if it's a directory.
2445              * In that case add a slash to speed up typing long paths
2446              */
2447             stat(file, &sb);
2448             if(S_ISDIR(sb.st_mode))
2449                 strcat(file, "/");
2450             add_completion(file);
2451         }
2452     }
2453     closedir(ffs);
2454 }
2455
2456 static void block_completion_it(void *opaque, const char *name)
2457 {
2458     const char *input = opaque;
2459
2460     if (input[0] == '\0' ||
2461         !strncmp(name, (char *)input, strlen(input))) {
2462         add_completion(name);
2463     }
2464 }
2465
2466 /* NOTE: this parser is an approximate form of the real command parser */
2467 static void parse_cmdline(const char *cmdline,
2468                          int *pnb_args, char **args)
2469 {
2470     const char *p;
2471     int nb_args, ret;
2472     char buf[1024];
2473
2474     p = cmdline;
2475     nb_args = 0;
2476     for(;;) {
2477         while (isspace(*p))
2478             p++;
2479         if (*p == '\0')
2480             break;
2481         if (nb_args >= MAX_ARGS)
2482             break;
2483         ret = get_str(buf, sizeof(buf), &p);
2484         args[nb_args] = qemu_strdup(buf);
2485         nb_args++;
2486         if (ret < 0)
2487             break;
2488     }
2489     *pnb_args = nb_args;
2490 }
2491
2492 void readline_find_completion(const char *cmdline)
2493 {
2494     const char *cmdname;
2495     char *args[MAX_ARGS];
2496     int nb_args, i, len;
2497     const char *ptype, *str;
2498     term_cmd_t *cmd;
2499     const KeyDef *key;
2500
2501     parse_cmdline(cmdline, &nb_args, args);
2502 #ifdef DEBUG_COMPLETION
2503     for(i = 0; i < nb_args; i++) {
2504         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2505     }
2506 #endif
2507
2508     /* if the line ends with a space, it means we want to complete the
2509        next arg */
2510     len = strlen(cmdline);
2511     if (len > 0 && isspace(cmdline[len - 1])) {
2512         if (nb_args >= MAX_ARGS)
2513             return;
2514         args[nb_args++] = qemu_strdup("");
2515     }
2516     if (nb_args <= 1) {
2517         /* command completion */
2518         if (nb_args == 0)
2519             cmdname = "";
2520         else
2521             cmdname = args[0];
2522         completion_index = strlen(cmdname);
2523         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2524             cmd_completion(cmdname, cmd->name);
2525         }
2526     } else {
2527         /* find the command */
2528         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2529             if (compare_cmd(args[0], cmd->name))
2530                 goto found;
2531         }
2532         return;
2533     found:
2534         ptype = cmd->args_type;
2535         for(i = 0; i < nb_args - 2; i++) {
2536             if (*ptype != '\0') {
2537                 ptype++;
2538                 while (*ptype == '?')
2539                     ptype++;
2540             }
2541         }
2542         str = args[nb_args - 1];
2543         switch(*ptype) {
2544         case 'F':
2545             /* file completion */
2546             completion_index = strlen(str);
2547             file_completion(str);
2548             break;
2549         case 'B':
2550             /* block device name completion */
2551             completion_index = strlen(str);
2552             bdrv_iterate(block_completion_it, (void *)str);
2553             break;
2554         case 's':
2555             /* XXX: more generic ? */
2556             if (!strcmp(cmd->name, "info")) {
2557                 completion_index = strlen(str);
2558                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2559                     cmd_completion(str, cmd->name);
2560                 }
2561             } else if (!strcmp(cmd->name, "sendkey")) {
2562                 completion_index = strlen(str);
2563                 for(key = key_defs; key->name != NULL; key++) {
2564                     cmd_completion(str, key->name);
2565                 }
2566             }
2567             break;
2568         default:
2569             break;
2570         }
2571     }
2572     for(i = 0; i < nb_args; i++)
2573         qemu_free(args[i]);
2574 }
2575
2576 static int term_can_read(void *opaque)
2577 {
2578     return 128;
2579 }
2580
2581 static void term_read(void *opaque, const uint8_t *buf, int size)
2582 {
2583     int i;
2584     for(i = 0; i < size; i++)
2585         readline_handle_byte(buf[i]);
2586 }
2587
2588 static int monitor_suspended;
2589
2590 void monitor_suspend(void)
2591 {
2592     monitor_suspended = 1;
2593 }
2594
2595 void monitor_resume(void)
2596 {
2597     monitor_suspended = 0;
2598     monitor_start_input();
2599 }
2600
2601 static void monitor_start_input(void);
2602
2603 static void monitor_handle_command1(void *opaque, const char *cmdline)
2604 {
2605     monitor_handle_command(cmdline);
2606     if (!monitor_suspended)
2607         monitor_start_input();
2608 }
2609
2610 static void monitor_start_input(void)
2611 {
2612     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2613 }
2614
2615 static void term_event(void *opaque, int event)
2616 {
2617     if (event != CHR_EVENT_RESET)
2618         return;
2619
2620     if (!hide_banner)
2621             term_printf("QEMU %s monitor - type 'help' for more information\n",
2622                         QEMU_VERSION);
2623     monitor_start_input();
2624 }
2625
2626 static int is_first_init = 1;
2627
2628 void monitor_init(CharDriverState *hd, int show_banner)
2629 {
2630     int i;
2631
2632     if (is_first_init) {
2633         for (i = 0; i < MAX_MON; i++) {
2634             monitor_hd[i] = NULL;
2635         }
2636         is_first_init = 0;
2637     }
2638     for (i = 0; i < MAX_MON; i++) {
2639         if (monitor_hd[i] == NULL) {
2640             monitor_hd[i] = hd;
2641             break;
2642         }
2643     }
2644
2645     hide_banner = !show_banner;
2646
2647     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2648
2649     readline_start("", 0, monitor_handle_command1, NULL);
2650 }
2651
2652 /* XXX: use threads ? */
2653 /* modal monitor readline */
2654 static int monitor_readline_started;
2655 static char *monitor_readline_buf;
2656 static int monitor_readline_buf_size;
2657
2658 static void monitor_readline_cb(void *opaque, const char *input)
2659 {
2660     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2661     monitor_readline_started = 0;
2662 }
2663
2664 void monitor_readline(const char *prompt, int is_password,
2665                       char *buf, int buf_size)
2666 {
2667     int i;
2668
2669     if (is_password) {
2670         for (i = 0; i < MAX_MON; i++)
2671             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2672                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2673     }
2674     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2675     monitor_readline_buf = buf;
2676     monitor_readline_buf_size = buf_size;
2677     monitor_readline_started = 1;
2678     while (monitor_readline_started) {
2679         main_loop_wait(10);
2680     }
2681 }