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