monitor.c

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