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