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 #include "migration.h"
  28 #if USE_KVM
  29 #include "qemu-kvm.h"
  30 #endif
  31 //#define DEBUG
  32 //#define DEBUG_COMPLETION
  33
  34 #ifndef offsetof
  35 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  36 #endif
  37
  38 /*
  39  * Supported types:
  40  *
  41  * 'F'          filename
  42  * 'B'          block device name
  43  * 's'          string (accept optional quote)
  44  * 'i'          32 bit integer
  45  * 'l'          target long (32 or 64 bit)
  46  * '/'          optional gdb-like print format (like "/10x")
  47  * 'A'          pass the rest of cmdline as one argument (for subcommands).
  48  *
  49  * '?'          optional type (for 'F', 's' and 'i')
  50  *
  51  */
  52
  53 typedef struct term_cmd_t {
  54     const char *name;
  55     const char *args_type;
  56     void (*handler)();
  57     const char *params;
  58     const char *help;
  59 } term_cmd_t;
  60
  61 static CharDriverState *monitor_hd;
  62
  63 static term_cmd_t term_cmds[];
  64 static term_cmd_t info_cmds[];
  65 static term_cmd_t migration_cmds[];
  66 static term_cmd_t migration_set_cmds[];
  67
  68 static char term_outbuf[1024];
  69 static int term_outbuf_index;
  70
  71 static void monitor_start_input(void);
  72 static void monitor_handle_command(const term_cmd_t *cmds,
  73                                    const char *cmdline);
  74
  75
  76 CPUState *mon_cpu = NULL;
  77
  78 void term_flush(void)
  79 {
  80     if (term_outbuf_index > 0) {
  81         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  82         term_outbuf_index = 0;
  83     }
  84 }
  85
  86 /* flush at every end of line or if the buffer is full */
  87 void term_puts(const char *str)
  88 {
  89     int c;
  90     for(;;) {
  91         c = *str++;
  92         if (c == '\0')
  93             break;
  94         if (c == '\n')
  95             term_outbuf[term_outbuf_index++] = '\r';
  96         term_outbuf[term_outbuf_index++] = c;
  97         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  98             c == '\n')
  99             term_flush();
 100     }
 101 }
 102
 103 void term_vprintf(const char *fmt, va_list ap)
 104 {
 105     char buf[4096];
 106     vsnprintf(buf, sizeof(buf), fmt, ap);
 107     term_puts(buf);
 108 }
 109
 110 void term_printf(const char *fmt, ...)
 111 {
 112     va_list ap;
 113     va_start(ap, fmt);
 114     term_vprintf(fmt, ap);
 115     va_end(ap);
 116 }
 117
 118 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 119 {
 120     va_list ap;
 121     va_start(ap, fmt);
 122     term_vprintf(fmt, ap);
 123     va_end(ap);
 124     return 0;
 125 }
 126
 127 static int compare_cmd(const char *name, const char *list)
 128 {
 129     const char *p, *pstart;
 130     int len;
 131     len = strlen(name);
 132     p = list;
 133     for(;;) {
 134         pstart = p;
 135         p = strchr(p, '|');
 136         if (!p)
 137             p = pstart + strlen(pstart);
 138         if ((p - pstart) == len && !memcmp(pstart, name, len))
 139             return 1;
 140         if (*p == '\0')
 141             break;
 142         p++;
 143     }
 144     return 0;
 145 }
 146
 147 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 148 {
 149     term_cmd_t *cmd;
 150
 151     for(cmd = cmds; cmd->name != NULL; cmd++) {
 152         if (!name || !strcmp(name, cmd->name))
 153             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 154     }
 155 }
 156
 157 static void help_cmd(const char *name)
 158 {
 159     if (name && !strcmp(name, "info")) {
 160         help_cmd1(info_cmds, "info ", NULL);
 161     } else {
 162         help_cmd1(term_cmds, "", name);
 163         if (name && !strcmp(name, "log")) {
 164             CPULogItem *item;
 165             term_printf("Log items (comma separated):\n");
 166             term_printf("%-10s %s\n", "none", "remove all logs");
 167             for(item = cpu_log_items; item->mask != 0; item++) {
 168                 term_printf("%-10s %s\n", item->name, item->help);
 169             }
 170         }
 171     }
 172 }
 173
 174 static void do_help(const char *name)
 175 {
 176     help_cmd(name);
 177 }
 178
 179 static void do_commit(void)
 180 {
 181     int i;
 182
 183     for (i = 0; i < MAX_DISKS; i++) {
 184         if (bs_table[i]) {
 185             bdrv_commit(bs_table[i]);
 186         }
 187     }
 188 }
 189
 190 static void do_info(const char *item)
 191 {
 192     term_cmd_t *cmd;
 193
 194     if (!item)
 195         goto help;
 196     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 197         if (compare_cmd(item, cmd->name))
 198             goto found;
 199     }
 200  help:
 201     help_cmd("info");
 202     return;
 203  found:
 204     cmd->handler();
 205 }
 206
 207 static void do_info_version(void)
 208 {
 209   term_printf("%s\n", QEMU_VERSION);
 210 }
 211
 212 static void do_info_block(void)
 213 {
 214     bdrv_info();
 215 }
 216
 217 /* get the current CPU defined by the user */
 218 int mon_set_cpu(int cpu_index)
 219 {
 220     CPUState *env;
 221
 222     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 223         if (env->cpu_index == cpu_index) {
 224             mon_cpu = env;
 225             return 0;
 226         }
 227     }
 228     return -1;
 229 }
 230
 231 CPUState *mon_get_cpu(void)
 232 {
 233     if (!mon_cpu) {
 234         mon_set_cpu(0);
 235     }
 236     return mon_cpu;
 237 }
 238
 239 static void do_info_registers(void)
 240 {
 241     CPUState *env;
 242     env = mon_get_cpu();
 243     if (!env)
 244         return;
 245 #ifdef TARGET_I386
 246     cpu_dump_state(env, NULL, monitor_fprintf,
 247                    X86_DUMP_FPU);
 248 #else
 249     cpu_dump_state(env, NULL, monitor_fprintf,
 250                    0);
 251 #endif
 252 }
 253
 254 static void do_info_cpus(void)
 255 {
 256     CPUState *env;
 257
 258     /* just to set the default cpu if not already done */
 259     mon_get_cpu();
 260
 261     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 262         term_printf("%c CPU #%d:",
 263                     (env == mon_cpu) ? '*' : ' ',
 264                     env->cpu_index);
 265 #if defined(TARGET_I386)
 266         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 267         if (env->hflags & HF_HALTED_MASK)
 268             term_printf(" (halted)");
 269 #elif defined(TARGET_PPC)
 270         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 271         if (env->halted)
 272             term_printf(" (halted)");
 273 #elif defined(TARGET_SPARC)
 274         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 275         if (env->halted)
 276             term_printf(" (halted)");
 277 #endif
 278         term_printf("\n");
 279     }
 280 }
 281
 282 static void do_cpu_set(int index)
 283 {
 284     if (mon_set_cpu(index) < 0)
 285         term_printf("Invalid CPU index\n");
 286 }
 287
 288 static void do_info_jit(void)
 289 {
 290     dump_exec_info(NULL, monitor_fprintf);
 291 }
 292
 293 static void do_info_history (void)
 294 {
 295     int i;
 296     const char *str;
 297
 298     i = 0;
 299     for(;;) {
 300         str = readline_get_history(i);
 301         if (!str)
 302             break;
 303         term_printf("%d: '%s'\n", i, str);
 304         i++;
 305     }
 306 }
 307
 308 static void do_quit(void)
 309 {
 310     exit(0);
 311 }
 312
 313 static int eject_device(BlockDriverState *bs, int force)
 314 {
 315     if (bdrv_is_inserted(bs)) {
 316         if (!force) {
 317             if (!bdrv_is_removable(bs)) {
 318                 term_printf("device is not removable\n");
 319                 return -1;
 320             }
 321             if (bdrv_is_locked(bs)) {
 322                 term_printf("device is locked\n");
 323                 return -1;
 324             }
 325         }
 326         bdrv_close(bs);
 327     }
 328     return 0;
 329 }
 330
 331 static void do_eject(int force, const char *filename)
 332 {
 333     BlockDriverState *bs;
 334
 335     bs = bdrv_find(filename);
 336     if (!bs) {
 337         term_printf("device not found\n");
 338         return;
 339     }
 340     eject_device(bs, force);
 341 }
 342
 343
 344 int vmdk_snapshot_create(BlockDriverState *bs);
 345
 346 static void do_snapshot(const char *hda, const char *hdb,
 347                         const char *hdc, const char *hdd)
 348 {
 349
 350     if (!strcmp(hda,"hda")) {
 351         if (vmdk_snapshot_create(bs_table[0]) == -1)
 352             term_printf("hda snapshot fail\n");
 353     }
 354
 355     if (hdb) {
 356         if (!strcmp(hdb,"hdb")) {
 357             if (bs_table[1]) {
 358                 if (vmdk_snapshot_create(bs_table[1]) == -1)
 359                     term_printf("hdb snapshot fail\n");
 360             }else {
 361                 term_printf("hdb not exist\n");
 362             }
 363         }
 364     }
 365
 366     if (hdc) {
 367         if (!strcmp(hdc,"hdc")) {
 368             if (bs_table[2]) {
 369                 if (vmdk_snapshot_create(bs_table[2]) == -1)
 370                     term_printf("hdc snapshot fail\n");
 371             }else {
 372                 term_printf("hdc not exist\n");
 373             }
 374         }
 375     }
 376
 377     if (hdd) {
 378         if (!strcmp(hdd,"hdd")) {
 379             if (bs_table[3]) {
 380                 if (vmdk_snapshot_create(bs_table[3]) == -1)
 381                     term_printf("hdd snapshot fail\n");
 382             }else {
 383                 term_printf("hdd not exist\n");
 384             }
 385         }
 386     }
 387 }
 388
 389 static void do_change(const char *device, const char *filename)
 390 {
 391     BlockDriverState *bs;
 392     int i;
 393     char password[256];
 394
 395     bs = bdrv_find(device);
 396     if (!bs) {
 397         term_printf("device not found\n");
 398         return;
 399     }
 400     if (eject_device(bs, 0) < 0)
 401         return;
 402     bdrv_open(bs, filename, 0);
 403     if (bdrv_is_encrypted(bs)) {
 404         term_printf("%s is encrypted.\n", device);
 405         for(i = 0; i < 3; i++) {
 406             monitor_readline("Password: ", 1, password, sizeof(password));
 407             if (bdrv_set_key(bs, password) == 0)
 408                 break;
 409             term_printf("invalid password\n");
 410         }
 411     }
 412 }
 413
 414 static void do_screen_dump(const char *filename)
 415 {
 416     vga_hw_screen_dump(filename);
 417 }
 418
 419 static void do_log(const char *items)
 420 {
 421     int mask;
 422
 423     if (!strcmp(items, "none")) {
 424         mask = 0;
 425     } else {
 426         mask = cpu_str_to_log_mask(items);
 427         if (!mask) {
 428             help_cmd("log");
 429             return;
 430         }
 431     }
 432     cpu_set_log(mask);
 433 }
 434
 435 static void do_savevm(const char *filename)
 436 {
 437     if (qemu_savevm(filename, &qemu_savevm_method_file) < 0)
 438         term_printf("I/O error when saving VM to '%s'\n", filename);
 439 }
 440
 441 static void do_loadvm(const char *filename)
 442 {
 443     if (qemu_loadvm(filename, &qemu_savevm_method_file) < 0)
 444         term_printf("I/O error when loading VM from '%s'\n", filename);
 445 }
 446
 447 static void do_stop(void)
 448 {
 449     vm_stop(EXCP_INTERRUPT);
 450 }
 451
 452 static void do_cont(void)
 453 {
 454     vm_start();
 455 }
 456
 457 #ifdef CONFIG_GDBSTUB
 458 static void do_gdbserver(int has_port, int port)
 459 {
 460     if (!has_port)
 461         port = DEFAULT_GDBSTUB_PORT;
 462     if (gdbserver_start(port) < 0) {
 463         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 464     } else {
 465         qemu_printf("Waiting gdb connection on port %d\n", port);
 466     }
 467 }
 468 #endif
 469
 470 static void term_printc(int c)
 471 {
 472     term_printf("'");
 473     switch(c) {
 474     case '\'':
 475         term_printf("\\'");
 476         break;
 477     case '\\':
 478         term_printf("\\\\");
 479         break;
 480     case '\n':
 481         term_printf("\\n");
 482         break;
 483     case '\r':
 484         term_printf("\\r");
 485         break;
 486     default:
 487         if (c >= 32 && c <= 126) {
 488             term_printf("%c", c);
 489         } else {
 490             term_printf("\\x%02x", c);
 491         }
 492         break;
 493     }
 494     term_printf("'");
 495 }
 496
 497 static void memory_dump(int count, int format, int wsize,
 498                         target_ulong addr, int is_physical)
 499 {
 500     CPUState *env;
 501     int nb_per_line, l, line_size, i, max_digits, len;
 502     uint8_t buf[16];
 503     uint64_t v;
 504
 505     if (format == 'i') {
 506         int flags;
 507         flags = 0;
 508         env = mon_get_cpu();
 509         if (!env && !is_physical)
 510             return;
 511 #ifdef TARGET_I386
 512         if (wsize == 2) {
 513             flags = 1;
 514         } else if (wsize == 4) {
 515             flags = 0;
 516         } else {
 517             /* as default we use the current CS size */
 518             flags = 0;
 519             if (env) {
 520 #ifdef TARGET_X86_64
 521                 if ((env->efer & MSR_EFER_LMA) &&
 522                     (env->segs[R_CS].flags & DESC_L_MASK))
 523                     flags = 2;
 524                 else
 525 #endif
 526                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 527                     flags = 1;
 528             }
 529         }
 530 #endif
 531         monitor_disas(env, addr, count, is_physical, flags);
 532         return;
 533     }
 534
 535     len = wsize * count;
 536     if (wsize == 1)
 537         line_size = 8;
 538     else
 539         line_size = 16;
 540     nb_per_line = line_size / wsize;
 541     max_digits = 0;
 542
 543     switch(format) {
 544     case 'o':
 545         max_digits = (wsize * 8 + 2) / 3;
 546         break;
 547     default:
 548     case 'x':
 549         max_digits = (wsize * 8) / 4;
 550         break;
 551     case 'u':
 552     case 'd':
 553         max_digits = (wsize * 8 * 10 + 32) / 33;
 554         break;
 555     case 'c':
 556         wsize = 1;
 557         break;
 558     }
 559
 560     while (len > 0) {
 561         term_printf(TARGET_FMT_lx ":", addr);
 562         l = len;
 563         if (l > line_size)
 564             l = line_size;
 565         if (is_physical) {
 566             cpu_physical_memory_rw(addr, buf, l, 0);
 567         } else {
 568             env = mon_get_cpu();
 569             if (!env)
 570                 break;
 571             cpu_memory_rw_debug(env, addr, buf, l, 0);
 572         }
 573         i = 0;
 574         while (i < l) {
 575             switch(wsize) {
 576             default:
 577             case 1:
 578                 v = ldub_raw(buf + i);
 579                 break;
 580             case 2:
 581                 v = lduw_raw(buf + i);
 582                 break;
 583             case 4:
 584                 v = (uint32_t)ldl_raw(buf + i);
 585                 break;
 586             case 8:
 587                 v = ldq_raw(buf + i);
 588                 break;
 589             }
 590             term_printf(" ");
 591             switch(format) {
 592             case 'o':
 593                 term_printf("%#*" PRIo64, max_digits, v);
 594                 break;
 595             case 'x':
 596                 term_printf("0x%0*" PRIx64, max_digits, v);
 597                 break;
 598             case 'u':
 599                 term_printf("%*" PRIu64, max_digits, v);
 600                 break;
 601             case 'd':
 602                 term_printf("%*" PRId64, max_digits, v);
 603                 break;
 604             case 'c':
 605                 term_printc(v);
 606                 break;
 607             }
 608             i += wsize;
 609         }
 610         term_printf("\n");
 611         addr += l;
 612         len -= l;
 613     }
 614 }
 615
 616 #if TARGET_LONG_BITS == 64
 617 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 618 #else
 619 #define GET_TLONG(h, l) (l)
 620 #endif
 621
 622 static void do_memory_dump(int count, int format, int size,
 623                            uint32_t addrh, uint32_t addrl)
 624 {
 625     target_long addr = GET_TLONG(addrh, addrl);
 626     memory_dump(count, format, size, addr, 0);
 627 }
 628
 629 static void do_physical_memory_dump(int count, int format, int size,
 630                                     uint32_t addrh, uint32_t addrl)
 631
 632 {
 633     target_long addr = GET_TLONG(addrh, addrl);
 634     memory_dump(count, format, size, addr, 1);
 635 }
 636
 637 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 638 {
 639     target_long val = GET_TLONG(valh, vall);
 640 #if TARGET_LONG_BITS == 32
 641     switch(format) {
 642     case 'o':
 643         term_printf("%#o", val);
 644         break;
 645     case 'x':
 646         term_printf("%#x", val);
 647         break;
 648     case 'u':
 649         term_printf("%u", val);
 650         break;
 651     default:
 652     case 'd':
 653         term_printf("%d", val);
 654         break;
 655     case 'c':
 656         term_printc(val);
 657         break;
 658     }
 659 #else
 660     switch(format) {
 661     case 'o':
 662         term_printf("%#" PRIo64, val);
 663         break;
 664     case 'x':
 665         term_printf("%#" PRIx64, val);
 666         break;
 667     case 'u':
 668         term_printf("%" PRIu64, val);
 669         break;
 670     default:
 671     case 'd':
 672         term_printf("%" PRId64, val);
 673         break;
 674     case 'c':
 675         term_printc(val);
 676         break;
 677     }
 678 #endif
 679     term_printf("\n");
 680 }
 681
 682 static void do_sum(uint32_t start, uint32_t size)
 683 {
 684     uint32_t addr;
 685     uint8_t buf[1];
 686     uint16_t sum;
 687
 688     sum = 0;
 689     for(addr = start; addr < (start + size); addr++) {
 690         cpu_physical_memory_rw(addr, buf, 1, 0);
 691         /* BSD sum algorithm ('sum' Unix command) */
 692         sum = (sum >> 1) | (sum << 15);
 693         sum += buf[0];
 694     }
 695     term_printf("%05d\n", sum);
 696 }
 697
 698 typedef struct {
 699     int keycode;
 700     const char *name;
 701 } KeyDef;
 702
 703 static const KeyDef key_defs[] = {
 704     { 0x2a, "shift" },
 705     { 0x36, "shift_r" },
 706
 707     { 0x38, "alt" },
 708     { 0xb8, "alt_r" },
 709     { 0x1d, "ctrl" },
 710     { 0x9d, "ctrl_r" },
 711
 712     { 0xdd, "menu" },
 713
 714     { 0x01, "esc" },
 715
 716     { 0x02, "1" },
 717     { 0x03, "2" },
 718     { 0x04, "3" },
 719     { 0x05, "4" },
 720     { 0x06, "5" },
 721     { 0x07, "6" },
 722     { 0x08, "7" },
 723     { 0x09, "8" },
 724     { 0x0a, "9" },
 725     { 0x0b, "0" },
 726     { 0x0c, "minus" },
 727     { 0x0d, "equal" },
 728     { 0x0e, "backspace" },
 729
 730     { 0x0f, "tab" },
 731     { 0x10, "q" },
 732     { 0x11, "w" },
 733     { 0x12, "e" },
 734     { 0x13, "r" },
 735     { 0x14, "t" },
 736     { 0x15, "y" },
 737     { 0x16, "u" },
 738     { 0x17, "i" },
 739     { 0x18, "o" },
 740     { 0x19, "p" },
 741
 742     { 0x1c, "ret" },
 743
 744     { 0x1e, "a" },
 745     { 0x1f, "s" },
 746     { 0x20, "d" },
 747     { 0x21, "f" },
 748     { 0x22, "g" },
 749     { 0x23, "h" },
 750     { 0x24, "j" },
 751     { 0x25, "k" },
 752     { 0x26, "l" },
 753
 754     { 0x2c, "z" },
 755     { 0x2d, "x" },
 756     { 0x2e, "c" },
 757     { 0x2f, "v" },
 758     { 0x30, "b" },
 759     { 0x31, "n" },
 760     { 0x32, "m" },
 761
 762     { 0x39, "spc" },
 763     { 0x3a, "caps_lock" },
 764     { 0x3b, "f1" },
 765     { 0x3c, "f2" },
 766     { 0x3d, "f3" },
 767     { 0x3e, "f4" },
 768     { 0x3f, "f5" },
 769     { 0x40, "f6" },
 770     { 0x41, "f7" },
 771     { 0x42, "f8" },
 772     { 0x43, "f9" },
 773     { 0x44, "f10" },
 774     { 0x45, "num_lock" },
 775     { 0x46, "scroll_lock" },
 776
 777     { 0xb5, "kp_divide" },
 778     { 0x37, "kp_multiply" },
 779     { 0x4a, "kp_substract" },
 780     { 0x4e, "kp_add" },
 781     { 0x9c, "kp_enter" },
 782     { 0x53, "kp_decimal" },
 783
 784     { 0x52, "kp_0" },
 785     { 0x4f, "kp_1" },
 786     { 0x50, "kp_2" },
 787     { 0x51, "kp_3" },
 788     { 0x4b, "kp_4" },
 789     { 0x4c, "kp_5" },
 790     { 0x4d, "kp_6" },
 791     { 0x47, "kp_7" },
 792     { 0x48, "kp_8" },
 793     { 0x49, "kp_9" },
 794
 795     { 0x56, "<" },
 796
 797     { 0x57, "f11" },
 798     { 0x58, "f12" },
 799
 800     { 0xb7, "print" },
 801
 802     { 0xc7, "home" },
 803     { 0xc9, "pgup" },
 804     { 0xd1, "pgdn" },
 805     { 0xcf, "end" },
 806
 807     { 0xcb, "left" },
 808     { 0xc8, "up" },
 809     { 0xd0, "down" },
 810     { 0xcd, "right" },
 811
 812     { 0xd2, "insert" },
 813     { 0xd3, "delete" },
 814     { 0, NULL },
 815 };
 816
 817 static int get_keycode(const char *key)
 818 {
 819     const KeyDef *p;
 820     char *endp;
 821     int ret;
 822
 823     for(p = key_defs; p->name != NULL; p++) {
 824         if (!strcmp(key, p->name))
 825             return p->keycode;
 826     }
 827     if (strstart(key, "0x", NULL)) {
 828         ret = strtoul(key, &endp, 0);
 829         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 830             return ret;
 831     }
 832     return -1;
 833 }
 834
 835 static void do_send_key(const char *string)
 836 {
 837     char keybuf[16], *q;
 838     uint8_t keycodes[16];
 839     const char *p;
 840     int nb_keycodes, keycode, i;
 841
 842     nb_keycodes = 0;
 843     p = string;
 844     while (*p != '\0') {
 845         q = keybuf;
 846         while (*p != '\0' && *p != '-') {
 847             if ((q - keybuf) < sizeof(keybuf) - 1) {
 848                 *q++ = *p;
 849             }
 850             p++;
 851         }
 852         *q = '\0';
 853         keycode = get_keycode(keybuf);
 854         if (keycode < 0) {
 855             term_printf("unknown key: '%s'\n", keybuf);
 856             return;
 857         }
 858         keycodes[nb_keycodes++] = keycode;
 859         if (*p == '\0')
 860             break;
 861         p++;
 862     }
 863     /* key down events */
 864     for(i = 0; i < nb_keycodes; i++) {
 865         keycode = keycodes[i];
 866         if (keycode & 0x80)
 867             kbd_put_keycode(0xe0);
 868         kbd_put_keycode(keycode & 0x7f);
 869     }
 870     /* key up events */
 871     for(i = nb_keycodes - 1; i >= 0; i--) {
 872         keycode = keycodes[i];
 873         if (keycode & 0x80)
 874             kbd_put_keycode(0xe0);
 875         kbd_put_keycode(keycode | 0x80);
 876     }
 877 }
 878
 879 static int mouse_button_state;
 880
 881 static void do_mouse_move(const char *dx_str, const char *dy_str,
 882                           const char *dz_str)
 883 {
 884     int dx, dy, dz;
 885     dx = strtol(dx_str, NULL, 0);
 886     dy = strtol(dy_str, NULL, 0);
 887     dz = 0;
 888     if (dz_str)
 889         dz = strtol(dz_str, NULL, 0);
 890     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 891 }
 892
 893 static void do_mouse_button(int button_state)
 894 {
 895     mouse_button_state = button_state;
 896     kbd_mouse_event(0, 0, 0, mouse_button_state);
 897 }
 898
 899 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 900 {
 901     uint32_t val;
 902     int suffix;
 903
 904     if (has_index) {
 905         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 906         addr++;
 907     }
 908     addr &= 0xffff;
 909
 910     switch(size) {
 911     default:
 912     case 1:
 913         val = cpu_inb(NULL, addr);
 914         suffix = 'b';
 915         break;
 916     case 2:
 917         val = cpu_inw(NULL, addr);
 918         suffix = 'w';
 919         break;
 920     case 4:
 921         val = cpu_inl(NULL, addr);
 922         suffix = 'l';
 923         break;
 924     }
 925     term_printf("port%c[0x%04x] = %#0*x\n",
 926                 suffix, addr, size * 2, val);
 927 }
 928
 929 static void do_system_reset(void)
 930 {
 931     qemu_system_reset_request();
 932 }
 933
 934 static void do_system_powerdown(void)
 935 {
 936     qemu_system_powerdown_request();
 937 }
 938
 939 #if defined(TARGET_I386)
 940 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 941 {
 942     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 943                 addr,
 944                 pte & mask,
 945                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 946                 pte & PG_PSE_MASK ? 'P' : '-',
 947                 pte & PG_DIRTY_MASK ? 'D' : '-',
 948                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 949                 pte & PG_PCD_MASK ? 'C' : '-',
 950                 pte & PG_PWT_MASK ? 'T' : '-',
 951                 pte & PG_USER_MASK ? 'U' : '-',
 952                 pte & PG_RW_MASK ? 'W' : '-');
 953 }
 954
 955 static void tlb_info(void)
 956 {
 957     CPUState *env;
 958     int l1, l2;
 959     uint32_t pgd, pde, pte;
 960
 961     env = mon_get_cpu();
 962     if (!env)
 963         return;
 964
 965     if (!(env->cr[0] & CR0_PG_MASK)) {
 966         term_printf("PG disabled\n");
 967         return;
 968     }
 969     pgd = env->cr[3] & ~0xfff;
 970     for(l1 = 0; l1 < 1024; l1++) {
 971         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 972         pde = le32_to_cpu(pde);
 973         if (pde & PG_PRESENT_MASK) {
 974             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 975                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 976             } else {
 977                 for(l2 = 0; l2 < 1024; l2++) {
 978                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 979                                              (uint8_t *)&pte, 4);
 980                     pte = le32_to_cpu(pte);
 981                     if (pte & PG_PRESENT_MASK) {
 982                         print_pte((l1 << 22) + (l2 << 12),
 983                                   pte & ~PG_PSE_MASK,
 984                                   ~0xfff);
 985                     }
 986                 }
 987             }
 988         }
 989     }
 990 }
 991
 992 static void mem_print(uint32_t *pstart, int *plast_prot,
 993                       uint32_t end, int prot)
 994 {
 995     int prot1;
 996     prot1 = *plast_prot;
 997     if (prot != prot1) {
 998         if (*pstart != -1) {
 999             term_printf("%08x-%08x %08x %c%c%c\n",
1000                         *pstart, end, end - *pstart,
1001                         prot1 & PG_USER_MASK ? 'u' : '-',
1002                         'r',
1003                         prot1 & PG_RW_MASK ? 'w' : '-');
1004         }
1005         if (prot != 0)
1006             *pstart = end;
1007         else
1008             *pstart = -1;
1009         *plast_prot = prot;
1010     }
1011 }
1012
1013 static void mem_info(void)
1014 {
1015     CPUState *env;
1016     int l1, l2, prot, last_prot;
1017     uint32_t pgd, pde, pte, start, end;
1018
1019     env = mon_get_cpu();
1020     if (!env)
1021         return;
1022
1023     if (!(env->cr[0] & CR0_PG_MASK)) {
1024         term_printf("PG disabled\n");
1025         return;
1026     }
1027     pgd = env->cr[3] & ~0xfff;
1028     last_prot = 0;
1029     start = -1;
1030     for(l1 = 0; l1 < 1024; l1++) {
1031         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1032         pde = le32_to_cpu(pde);
1033         end = l1 << 22;
1034         if (pde & PG_PRESENT_MASK) {
1035             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1036                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1037                 mem_print(&start, &last_prot, end, prot);
1038             } else {
1039                 for(l2 = 0; l2 < 1024; l2++) {
1040                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1041                                              (uint8_t *)&pte, 4);
1042                     pte = le32_to_cpu(pte);
1043                     end = (l1 << 22) + (l2 << 12);
1044                     if (pte & PG_PRESENT_MASK) {
1045                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1046                     } else {
1047                         prot = 0;
1048                     }
1049                     mem_print(&start, &last_prot, end, prot);
1050                 }
1051             }
1052         } else {
1053             prot = 0;
1054             mem_print(&start, &last_prot, end, prot);
1055         }
1056     }
1057 }
1058 #endif
1059
1060 static void do_info_kqemu(void)
1061 {
1062 #ifdef USE_KQEMU
1063     CPUState *env;
1064     int val;
1065     val = 0;
1066     env = mon_get_cpu();
1067     if (!env) {
1068         term_printf("No cpu initialized yet");
1069         return;
1070     }
1071     val = env->kqemu_enabled;
1072     term_printf("kqemu support: ");
1073     switch(val) {
1074     default:
1075     case 0:
1076         term_printf("disabled\n");
1077         break;
1078     case 1:
1079         term_printf("enabled for user code\n");
1080         break;
1081     case 2:
1082         term_printf("enabled for user and kernel code\n");
1083         break;
1084     }
1085 #else
1086     term_printf("kqemu support: not compiled\n");
1087 #endif
1088 }
1089
1090 #ifdef CONFIG_PROFILER
1091
1092 int64_t kqemu_time;
1093 int64_t qemu_time;
1094 int64_t kqemu_exec_count;
1095 int64_t dev_time;
1096 int64_t kqemu_ret_int_count;
1097 int64_t kqemu_ret_excp_count;
1098 int64_t kqemu_ret_intr_count;
1099
1100 static void do_info_profile(void)
1101 {
1102     int64_t total;
1103     total = qemu_time;
1104     if (total == 0)
1105         total = 1;
1106     term_printf("async time  %" PRId64 " (%0.3f)\n",
1107                 dev_time, dev_time / (double)ticks_per_sec);
1108     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1109                 qemu_time, qemu_time / (double)ticks_per_sec);
1110     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1111                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1112                 kqemu_time / (double)total * 100.0,
1113                 kqemu_exec_count,
1114                 kqemu_ret_int_count,
1115                 kqemu_ret_excp_count,
1116                 kqemu_ret_intr_count);
1117     qemu_time = 0;
1118     kqemu_time = 0;
1119     kqemu_exec_count = 0;
1120     dev_time = 0;
1121     kqemu_ret_int_count = 0;
1122     kqemu_ret_excp_count = 0;
1123     kqemu_ret_intr_count = 0;
1124 #ifdef USE_KQEMU
1125     kqemu_record_dump();
1126 #endif
1127 }
1128 #else
1129 static void do_info_profile(void)
1130 {
1131     term_printf("Internal profiler not compiled\n");
1132 }
1133 #endif
1134
1135 /* Capture support */
1136 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1137
1138 static void do_info_capture (void)
1139 {
1140     int i;
1141     CaptureState *s;
1142
1143     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1144         term_printf ("[%d]: ", i);
1145         s->ops.info (s->opaque);
1146     }
1147 }
1148
1149 static void do_stop_capture (int n)
1150 {
1151     int i;
1152     CaptureState *s;
1153
1154     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1155         if (i == n) {
1156             s->ops.destroy (s->opaque);
1157             LIST_REMOVE (s, entries);
1158             qemu_free (s);
1159             return;
1160         }
1161     }
1162 }
1163
1164 static void do_migration(const char *subcmdline)
1165 {
1166     if (subcmdline[0] == '\0')
1167         subcmdline = "help";
1168     monitor_handle_command(migration_cmds, subcmdline);
1169 }
1170
1171 static void do_migration_help(const char *name)
1172 {
1173     help_cmd1(migration_cmds, "migration ", name);
1174 }
1175
1176 static void do_migration_set(const char *subcmdline)
1177 {
1178     if (subcmdline[0] == '\0')
1179         subcmdline = "help";
1180     monitor_handle_command(migration_set_cmds, subcmdline);
1181 }
1182
1183 static void do_migration_set_help(const char *name)
1184 {
1185     help_cmd1(migration_set_cmds, "migration set ", name);
1186 }
1187
1188 #ifdef HAS_AUDIO
1189 int wav_start_capture (CaptureState *s, const char *path, int freq,
1190                        int bits, int nchannels);
1191
1192 static void do_wav_capture (const char *path,
1193                             int has_freq, int freq,
1194                             int has_bits, int bits,
1195                             int has_channels, int nchannels)
1196 {
1197     CaptureState *s;
1198
1199     s = qemu_mallocz (sizeof (*s));
1200     if (!s) {
1201         term_printf ("Not enough memory to add wave capture\n");
1202         return;
1203     }
1204
1205     freq = has_freq ? freq : 44100;
1206     bits = has_bits ? bits : 16;
1207     nchannels = has_channels ? nchannels : 2;
1208
1209     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1210         term_printf ("Faied to add wave capture\n");
1211         qemu_free (s);
1212     }
1213     LIST_INSERT_HEAD (&capture_head, s, entries);
1214 }
1215 #endif
1216
1217 static term_cmd_t term_cmds[] = {
1218     { "help|?", "s?", do_help,
1219       "[cmd]", "show the help" },
1220     { "commit", "", do_commit,
1221       "", "commit changes to the disk images (if -snapshot is used)" },
1222     { "info", "s?", do_info,
1223       "subcommand", "show various information about the system state" },
1224     { "q|quit", "", do_quit,
1225       "", "quit the emulator" },
1226     { "eject", "-fB", do_eject,
1227       "[-f] device", "eject a removable media (use -f to force it)" },
1228     { "change", "BF", do_change,
1229       "device filename", "change a removable media" },
1230     { "screendump", "F", do_screen_dump,
1231       "filename", "save screen into PPM image 'filename'" },
1232     { "log", "s", do_log,
1233       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1234     { "savevm", "F", do_savevm,
1235       "filename", "save the whole virtual machine state to 'filename'" },
1236     { "loadvm", "F", do_loadvm,
1237       "filename", "restore the whole virtual machine state from 'filename'" },
1238     { "stop", "", do_stop,
1239       "", "stop emulation", },
1240     { "c|cont", "", do_cont,
1241       "", "resume emulation", },
1242 #ifdef CONFIG_GDBSTUB
1243     { "gdbserver", "i?", do_gdbserver,
1244       "[port]", "start gdbserver session (default port=1234)", },
1245 #endif
1246     { "x", "/l", do_memory_dump,
1247       "/fmt addr", "virtual memory dump starting at 'addr'", },
1248     { "xp", "/l", do_physical_memory_dump,
1249       "/fmt addr", "physical memory dump starting at 'addr'", },
1250     { "p|print", "/l", do_print,
1251       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1252     { "i", "/ii.", do_ioport_read,
1253       "/fmt addr", "I/O port read" },
1254
1255     { "sendkey", "s", do_send_key,
1256       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1257     { "system_reset", "", do_system_reset,
1258       "", "reset the system" },
1259     { "system_powerdown", "", do_system_powerdown,
1260       "", "send system power down event" },
1261     { "sum", "ii", do_sum,
1262       "addr size", "compute the checksum of a memory region" },
1263     { "usb_add", "s", do_usb_add,
1264       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1265     { "usb_del", "s", do_usb_del,
1266       "device", "remove USB device 'bus.addr'" },
1267     { "cpu", "i", do_cpu_set,
1268       "index", "set the default CPU" },
1269     { "mouse_move", "sss?", do_mouse_move,
1270       "dx dy [dz]", "send mouse move events" },
1271     { "mouse_button", "i", do_mouse_button,
1272       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1273 #ifdef HAS_AUDIO
1274     { "wavcapture", "si?i?i?", do_wav_capture,
1275       "path [frequency bits channels]",
1276       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1277 #endif
1278      { "stopcapture", "i", do_stop_capture,
1279        "capture index", "stop capture" },
1280      { "create_snapshot", "ss?s?s?", do_snapshot,
1281        "hda [hdb] [hdc] [hdd]", "create snapshot of one or more images (VMDK format)" },
1282     { "migration", "A", do_migration, "subcommand|help",
1283       "start/stop/manage migrations"},
1284     { NULL, NULL, },
1285 };
1286
1287 static term_cmd_t info_cmds[] = {
1288     { "version", "", do_info_version,
1289       "", "show the version of qemu" },
1290     { "network", "", do_info_network,
1291       "", "show the network state" },
1292     { "block", "", do_info_block,
1293       "", "show the block devices" },
1294     { "registers", "", do_info_registers,
1295       "", "show the cpu registers" },
1296     { "cpus", "", do_info_cpus,
1297       "", "show infos for each CPU" },
1298     { "history", "", do_info_history,
1299       "", "show the command line history", },
1300     { "irq", "", irq_info,
1301       "", "show the interrupts statistics (if available)", },
1302     { "pic", "", pic_info,
1303       "", "show i8259 (PIC) state", },
1304     { "pci", "", pci_info,
1305       "", "show PCI info", },
1306 #if defined(TARGET_I386)
1307     { "tlb", "", tlb_info,
1308       "", "show virtual to physical memory mappings", },
1309     { "mem", "", mem_info,
1310       "", "show the active virtual memory mappings", },
1311 #endif
1312     { "jit", "", do_info_jit,
1313       "", "show dynamic compiler info", },
1314     { "kqemu", "", do_info_kqemu,
1315       "", "show kqemu information", },
1316     { "usb", "", usb_info,
1317       "", "show guest USB devices", },
1318     { "usbhost", "", usb_host_info,
1319       "", "show host USB devices", },
1320     { "profile", "", do_info_profile,
1321       "", "show profiling information", },
1322     { "capture", "", do_info_capture,
1323       "show capture information" },
1324     { NULL, NULL, },
1325 };
1326
1327
1328 static term_cmd_t migration_cmds[] = {
1329     { "listen", "s?s?", do_migration_listen,
1330       "[local_host:port [remote_host:port]]", "listen to a port" },
1331     { "connect", "s?s?", do_migration_connect,
1332       "[local_host:port [remote_host:port]]", "connect to a port"},
1333     { "getfd", "i", do_migration_getfd, "fd (socket)",
1334       "get established connection"},
1335     { "start", "s", do_migration_start, "online|offline" ,
1336       "start the migration proccess"},
1337     { "cancel", "", do_migration_cancel, "",
1338       "cancel an ongoing migration procces"},
1339     { "status", "", do_migration_status, "", "get migration status/progress"},
1340     { "set", "A", do_migration_set, "params", "set migration parameters"},
1341     { "show",   "",  do_migration_show, "", "show migration parameters"},
1342     { "help",   "s?",  do_migration_help, "[subcommand]", "show help message"},
1343     { NULL, NULL, },
1344 };
1345
1346 static term_cmd_t migration_set_cmds[] = {
1347     { "rate", "iii", do_migration_set_rate, "min max offline", "bandwidth params" },
1348     { "total_time", "i", do_migration_set_total_time, "seconds", "max migration time"},
1349     { "help",  "s?", do_migration_set_help, "[subcommand]", "show help message"},
1350     { NULL, NULL, }
1351 };
1352
1353 /*******************************************************************/
1354
1355 static const char *pch;
1356 static jmp_buf expr_env;
1357
1358 #define MD_TLONG 0
1359 #define MD_I32   1
1360
1361 typedef struct MonitorDef {
1362     const char *name;
1363     int offset;
1364     target_long (*get_value)(struct MonitorDef *md, int val);
1365     int type;
1366 } MonitorDef;
1367
1368 #if defined(TARGET_I386)
1369 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1370 {
1371     CPUState *env = mon_get_cpu();
1372     if (!env)
1373         return 0;
1374     return env->eip + env->segs[R_CS].base;
1375 }
1376 #endif
1377
1378 #if defined(TARGET_PPC)
1379 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1380 {
1381     CPUState *env = mon_get_cpu();
1382     unsigned int u;
1383     int i;
1384
1385     if (!env)
1386         return 0;
1387
1388     u = 0;
1389     for (i = 0; i < 8; i++)
1390         u |= env->crf[i] << (32 - (4 * i));
1391
1392     return u;
1393 }
1394
1395 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1396 {
1397     CPUState *env = mon_get_cpu();
1398     if (!env)
1399         return 0;
1400     return (env->msr[MSR_POW] << MSR_POW) |
1401         (env->msr[MSR_ILE] << MSR_ILE) |
1402         (env->msr[MSR_EE] << MSR_EE) |
1403         (env->msr[MSR_PR] << MSR_PR) |
1404         (env->msr[MSR_FP] << MSR_FP) |
1405         (env->msr[MSR_ME] << MSR_ME) |
1406         (env->msr[MSR_FE0] << MSR_FE0) |
1407         (env->msr[MSR_SE] << MSR_SE) |
1408         (env->msr[MSR_BE] << MSR_BE) |
1409         (env->msr[MSR_FE1] << MSR_FE1) |
1410         (env->msr[MSR_IP] << MSR_IP) |
1411         (env->msr[MSR_IR] << MSR_IR) |
1412         (env->msr[MSR_DR] << MSR_DR) |
1413         (env->msr[MSR_RI] << MSR_RI) |
1414         (env->msr[MSR_LE] << MSR_LE);
1415 }
1416
1417 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1418 {
1419     CPUState *env = mon_get_cpu();
1420     if (!env)
1421         return 0;
1422     return (env->xer[XER_SO] << XER_SO) |
1423         (env->xer[XER_OV] << XER_OV) |
1424         (env->xer[XER_CA] << XER_CA) |
1425         (env->xer[XER_BC] << XER_BC);
1426 }
1427
1428 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1429 {
1430     CPUState *env = mon_get_cpu();
1431     if (!env)
1432         return 0;
1433     return cpu_ppc_load_decr(env);
1434 }
1435
1436 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1437 {
1438     CPUState *env = mon_get_cpu();
1439     if (!env)
1440         return 0;
1441     return cpu_ppc_load_tbu(env);
1442 }
1443
1444 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1445 {
1446     CPUState *env = mon_get_cpu();
1447     if (!env)
1448         return 0;
1449     return cpu_ppc_load_tbl(env);
1450 }
1451 #endif
1452
1453 #if defined(TARGET_SPARC)
1454 #ifndef TARGET_SPARC64
1455 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1456 {
1457     CPUState *env = mon_get_cpu();
1458     if (!env)
1459         return 0;
1460     return GET_PSR(env);
1461 }
1462 #endif
1463
1464 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1465 {
1466     CPUState *env = mon_get_cpu();
1467     if (!env)
1468         return 0;
1469     return env->regwptr[val];
1470 }
1471 #endif
1472
1473 static MonitorDef monitor_defs[] = {
1474 #ifdef TARGET_I386
1475
1476 #define SEG(name, seg) \
1477     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1478     { name ".base", offsetof(CPUState, segs[seg].base) },\
1479     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1480
1481     { "eax", offsetof(CPUState, regs[0]) },
1482     { "ecx", offsetof(CPUState, regs[1]) },
1483     { "edx", offsetof(CPUState, regs[2]) },
1484     { "ebx", offsetof(CPUState, regs[3]) },
1485     { "esp|sp", offsetof(CPUState, regs[4]) },
1486     { "ebp|fp", offsetof(CPUState, regs[5]) },
1487     { "esi", offsetof(CPUState, regs[6]) },
1488     { "edi", offsetof(CPUState, regs[7]) },
1489 #ifdef TARGET_X86_64
1490     { "r8", offsetof(CPUState, regs[8]) },
1491     { "r9", offsetof(CPUState, regs[9]) },
1492     { "r10", offsetof(CPUState, regs[10]) },
1493     { "r11", offsetof(CPUState, regs[11]) },
1494     { "r12", offsetof(CPUState, regs[12]) },
1495     { "r13", offsetof(CPUState, regs[13]) },
1496     { "r14", offsetof(CPUState, regs[14]) },
1497     { "r15", offsetof(CPUState, regs[15]) },
1498 #endif
1499     { "eflags", offsetof(CPUState, eflags) },
1500     { "eip", offsetof(CPUState, eip) },
1501     SEG("cs", R_CS)
1502     SEG("ds", R_DS)
1503     SEG("es", R_ES)
1504     SEG("ss", R_SS)
1505     SEG("fs", R_FS)
1506     SEG("gs", R_GS)
1507     { "pc", 0, monitor_get_pc, },
1508 #elif defined(TARGET_PPC)
1509     { "r0", offsetof(CPUState, gpr[0]) },
1510     { "r1", offsetof(CPUState, gpr[1]) },
1511     { "r2", offsetof(CPUState, gpr[2]) },
1512     { "r3", offsetof(CPUState, gpr[3]) },
1513     { "r4", offsetof(CPUState, gpr[4]) },
1514     { "r5", offsetof(CPUState, gpr[5]) },
1515     { "r6", offsetof(CPUState, gpr[6]) },
1516     { "r7", offsetof(CPUState, gpr[7]) },
1517     { "r8", offsetof(CPUState, gpr[8]) },
1518     { "r9", offsetof(CPUState, gpr[9]) },
1519     { "r10", offsetof(CPUState, gpr[10]) },
1520     { "r11", offsetof(CPUState, gpr[11]) },
1521     { "r12", offsetof(CPUState, gpr[12]) },
1522     { "r13", offsetof(CPUState, gpr[13]) },
1523     { "r14", offsetof(CPUState, gpr[14]) },
1524     { "r15", offsetof(CPUState, gpr[15]) },
1525     { "r16", offsetof(CPUState, gpr[16]) },
1526     { "r17", offsetof(CPUState, gpr[17]) },
1527     { "r18", offsetof(CPUState, gpr[18]) },
1528     { "r19", offsetof(CPUState, gpr[19]) },
1529     { "r20", offsetof(CPUState, gpr[20]) },
1530     { "r21", offsetof(CPUState, gpr[21]) },
1531     { "r22", offsetof(CPUState, gpr[22]) },
1532     { "r23", offsetof(CPUState, gpr[23]) },
1533     { "r24", offsetof(CPUState, gpr[24]) },
1534     { "r25", offsetof(CPUState, gpr[25]) },
1535     { "r26", offsetof(CPUState, gpr[26]) },
1536     { "r27", offsetof(CPUState, gpr[27]) },
1537     { "r28", offsetof(CPUState, gpr[28]) },
1538     { "r29", offsetof(CPUState, gpr[29]) },
1539     { "r30", offsetof(CPUState, gpr[30]) },
1540     { "r31", offsetof(CPUState, gpr[31]) },
1541     { "nip|pc", offsetof(CPUState, nip) },
1542     { "lr", offsetof(CPUState, lr) },
1543     { "ctr", offsetof(CPUState, ctr) },
1544     { "decr", 0, &monitor_get_decr, },
1545     { "ccr", 0, &monitor_get_ccr, },
1546     { "msr", 0, &monitor_get_msr, },
1547     { "xer", 0, &monitor_get_xer, },
1548     { "tbu", 0, &monitor_get_tbu, },
1549     { "tbl", 0, &monitor_get_tbl, },
1550     { "sdr1", offsetof(CPUState, sdr1) },
1551     { "sr0", offsetof(CPUState, sr[0]) },
1552     { "sr1", offsetof(CPUState, sr[1]) },
1553     { "sr2", offsetof(CPUState, sr[2]) },
1554     { "sr3", offsetof(CPUState, sr[3]) },
1555     { "sr4", offsetof(CPUState, sr[4]) },
1556     { "sr5", offsetof(CPUState, sr[5]) },
1557     { "sr6", offsetof(CPUState, sr[6]) },
1558     { "sr7", offsetof(CPUState, sr[7]) },
1559     { "sr8", offsetof(CPUState, sr[8]) },
1560     { "sr9", offsetof(CPUState, sr[9]) },
1561     { "sr10", offsetof(CPUState, sr[10]) },
1562     { "sr11", offsetof(CPUState, sr[11]) },
1563     { "sr12", offsetof(CPUState, sr[12]) },
1564     { "sr13", offsetof(CPUState, sr[13]) },
1565     { "sr14", offsetof(CPUState, sr[14]) },
1566     { "sr15", offsetof(CPUState, sr[15]) },
1567     /* Too lazy to put BATs and SPRs ... */
1568 #elif defined(TARGET_SPARC)
1569     { "g0", offsetof(CPUState, gregs[0]) },
1570     { "g1", offsetof(CPUState, gregs[1]) },
1571     { "g2", offsetof(CPUState, gregs[2]) },
1572     { "g3", offsetof(CPUState, gregs[3]) },
1573     { "g4", offsetof(CPUState, gregs[4]) },
1574     { "g5", offsetof(CPUState, gregs[5]) },
1575     { "g6", offsetof(CPUState, gregs[6]) },
1576     { "g7", offsetof(CPUState, gregs[7]) },
1577     { "o0", 0, monitor_get_reg },
1578     { "o1", 1, monitor_get_reg },
1579     { "o2", 2, monitor_get_reg },
1580     { "o3", 3, monitor_get_reg },
1581     { "o4", 4, monitor_get_reg },
1582     { "o5", 5, monitor_get_reg },
1583     { "o6", 6, monitor_get_reg },
1584     { "o7", 7, monitor_get_reg },
1585     { "l0", 8, monitor_get_reg },
1586     { "l1", 9, monitor_get_reg },
1587     { "l2", 10, monitor_get_reg },
1588     { "l3", 11, monitor_get_reg },
1589     { "l4", 12, monitor_get_reg },
1590     { "l5", 13, monitor_get_reg },
1591     { "l6", 14, monitor_get_reg },
1592     { "l7", 15, monitor_get_reg },
1593     { "i0", 16, monitor_get_reg },
1594     { "i1", 17, monitor_get_reg },
1595     { "i2", 18, monitor_get_reg },
1596     { "i3", 19, monitor_get_reg },
1597     { "i4", 20, monitor_get_reg },
1598     { "i5", 21, monitor_get_reg },
1599     { "i6", 22, monitor_get_reg },
1600     { "i7", 23, monitor_get_reg },
1601     { "pc", offsetof(CPUState, pc) },
1602     { "npc", offsetof(CPUState, npc) },
1603     { "y", offsetof(CPUState, y) },
1604 #ifndef TARGET_SPARC64
1605     { "psr", 0, &monitor_get_psr, },
1606     { "wim", offsetof(CPUState, wim) },
1607 #endif
1608     { "tbr", offsetof(CPUState, tbr) },
1609     { "fsr", offsetof(CPUState, fsr) },
1610     { "f0", offsetof(CPUState, fpr[0]) },
1611     { "f1", offsetof(CPUState, fpr[1]) },
1612     { "f2", offsetof(CPUState, fpr[2]) },
1613     { "f3", offsetof(CPUState, fpr[3]) },
1614     { "f4", offsetof(CPUState, fpr[4]) },
1615     { "f5", offsetof(CPUState, fpr[5]) },
1616     { "f6", offsetof(CPUState, fpr[6]) },
1617     { "f7", offsetof(CPUState, fpr[7]) },
1618     { "f8", offsetof(CPUState, fpr[8]) },
1619     { "f9", offsetof(CPUState, fpr[9]) },
1620     { "f10", offsetof(CPUState, fpr[10]) },
1621     { "f11", offsetof(CPUState, fpr[11]) },
1622     { "f12", offsetof(CPUState, fpr[12]) },
1623     { "f13", offsetof(CPUState, fpr[13]) },
1624     { "f14", offsetof(CPUState, fpr[14]) },
1625     { "f15", offsetof(CPUState, fpr[15]) },
1626     { "f16", offsetof(CPUState, fpr[16]) },
1627     { "f17", offsetof(CPUState, fpr[17]) },
1628     { "f18", offsetof(CPUState, fpr[18]) },
1629     { "f19", offsetof(CPUState, fpr[19]) },
1630     { "f20", offsetof(CPUState, fpr[20]) },
1631     { "f21", offsetof(CPUState, fpr[21]) },
1632     { "f22", offsetof(CPUState, fpr[22]) },
1633     { "f23", offsetof(CPUState, fpr[23]) },
1634     { "f24", offsetof(CPUState, fpr[24]) },
1635     { "f25", offsetof(CPUState, fpr[25]) },
1636     { "f26", offsetof(CPUState, fpr[26]) },
1637     { "f27", offsetof(CPUState, fpr[27]) },
1638     { "f28", offsetof(CPUState, fpr[28]) },
1639     { "f29", offsetof(CPUState, fpr[29]) },
1640     { "f30", offsetof(CPUState, fpr[30]) },
1641     { "f31", offsetof(CPUState, fpr[31]) },
1642 #ifdef TARGET_SPARC64
1643     { "f32", offsetof(CPUState, fpr[32]) },
1644     { "f34", offsetof(CPUState, fpr[34]) },
1645     { "f36", offsetof(CPUState, fpr[36]) },
1646     { "f38", offsetof(CPUState, fpr[38]) },
1647     { "f40", offsetof(CPUState, fpr[40]) },
1648     { "f42", offsetof(CPUState, fpr[42]) },
1649     { "f44", offsetof(CPUState, fpr[44]) },
1650     { "f46", offsetof(CPUState, fpr[46]) },
1651     { "f48", offsetof(CPUState, fpr[48]) },
1652     { "f50", offsetof(CPUState, fpr[50]) },
1653     { "f52", offsetof(CPUState, fpr[52]) },
1654     { "f54", offsetof(CPUState, fpr[54]) },
1655     { "f56", offsetof(CPUState, fpr[56]) },
1656     { "f58", offsetof(CPUState, fpr[58]) },
1657     { "f60", offsetof(CPUState, fpr[60]) },
1658     { "f62", offsetof(CPUState, fpr[62]) },
1659     { "asi", offsetof(CPUState, asi) },
1660     { "pstate", offsetof(CPUState, pstate) },
1661     { "cansave", offsetof(CPUState, cansave) },
1662     { "canrestore", offsetof(CPUState, canrestore) },
1663     { "otherwin", offsetof(CPUState, otherwin) },
1664     { "wstate", offsetof(CPUState, wstate) },
1665     { "cleanwin", offsetof(CPUState, cleanwin) },
1666     { "fprs", offsetof(CPUState, fprs) },
1667 #endif
1668 #endif
1669     { NULL },
1670 };
1671
1672 static void expr_error(const char *fmt)
1673 {
1674     term_printf(fmt);
1675     term_printf("\n");
1676     longjmp(expr_env, 1);
1677 }
1678
1679 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1680 static int get_monitor_def(target_long *pval, const char *name)
1681 {
1682     MonitorDef *md;
1683     void *ptr;
1684
1685     for(md = monitor_defs; md->name != NULL; md++) {
1686         if (compare_cmd(name, md->name)) {
1687             if (md->get_value) {
1688                 *pval = md->get_value(md, md->offset);
1689             } else {
1690                 CPUState *env = mon_get_cpu();
1691                 if (!env)
1692                     return -2;
1693                 ptr = (uint8_t *)env + md->offset;
1694                 switch(md->type) {
1695                 case MD_I32:
1696                     *pval = *(int32_t *)ptr;
1697                     break;
1698                 case MD_TLONG:
1699                     *pval = *(target_long *)ptr;
1700                     break;
1701                 default:
1702                     *pval = 0;
1703                     break;
1704                 }
1705             }
1706             return 0;
1707         }
1708     }
1709     return -1;
1710 }
1711
1712 static void next(void)
1713 {
1714     if (pch != '\0') {
1715         pch++;
1716         while (isspace(*pch))
1717             pch++;
1718     }
1719 }
1720
1721 static target_long expr_sum(void);
1722
1723 static target_long expr_unary(void)
1724 {
1725     target_long n;
1726     char *p;
1727     int ret;
1728
1729     switch(*pch) {
1730     case '+':
1731         next();
1732         n = expr_unary();
1733         break;
1734     case '-':
1735         next();
1736         n = -expr_unary();
1737         break;
1738     case '~':
1739         next();
1740         n = ~expr_unary();
1741         break;
1742     case '(':
1743         next();
1744         n = expr_sum();
1745         if (*pch != ')') {
1746             expr_error("')' expected");
1747         }
1748         next();
1749         break;
1750     case '\'':
1751         pch++;
1752         if (*pch == '\0')
1753             expr_error("character constant expected");
1754         n = *pch;
1755         pch++;
1756         if (*pch != '\'')
1757             expr_error("missing terminating \' character");
1758         next();
1759         break;
1760     case '$':
1761         {
1762             char buf[128], *q;
1763
1764             pch++;
1765             q = buf;
1766             while ((*pch >= 'a' && *pch <= 'z') ||
1767                    (*pch >= 'A' && *pch <= 'Z') ||
1768                    (*pch >= '0' && *pch <= '9') ||
1769                    *pch == '_' || *pch == '.') {
1770                 if ((q - buf) < sizeof(buf) - 1)
1771                     *q++ = *pch;
1772                 pch++;
1773             }
1774             while (isspace(*pch))
1775                 pch++;
1776             *q = 0;
1777             ret = get_monitor_def(&n, buf);
1778             if (ret == -1)
1779                 expr_error("unknown register");
1780             else if (ret == -2)
1781                 expr_error("no cpu defined");
1782         }
1783         break;
1784     case '\0':
1785         expr_error("unexpected end of expression");
1786         n = 0;
1787         break;
1788     default:
1789 #if TARGET_LONG_BITS == 64
1790         n = strtoull(pch, &p, 0);
1791 #else
1792         n = strtoul(pch, &p, 0);
1793 #endif
1794         if (pch == p) {
1795             expr_error("invalid char in expression");
1796         }
1797         pch = p;
1798         while (isspace(*pch))
1799             pch++;
1800         break;
1801     }
1802     return n;
1803 }
1804
1805
1806 static target_long expr_prod(void)
1807 {
1808     target_long val, val2;
1809     int op;
1810
1811     val = expr_unary();
1812     for(;;) {
1813         op = *pch;
1814         if (op != '*' && op != '/' && op != '%')
1815             break;
1816         next();
1817         val2 = expr_unary();
1818         switch(op) {
1819         default:
1820         case '*':
1821             val *= val2;
1822             break;
1823         case '/':
1824         case '%':
1825             if (val2 == 0)
1826                 expr_error("division by zero");
1827             if (op == '/')
1828                 val /= val2;
1829             else
1830                 val %= val2;
1831             break;
1832         }
1833     }
1834     return val;
1835 }
1836
1837 static target_long expr_logic(void)
1838 {
1839     target_long val, val2;
1840     int op;
1841
1842     val = expr_prod();
1843     for(;;) {
1844         op = *pch;
1845         if (op != '&' && op != '|' && op != '^')
1846             break;
1847         next();
1848         val2 = expr_prod();
1849         switch(op) {
1850         default:
1851         case '&':
1852             val &= val2;
1853             break;
1854         case '|':
1855             val |= val2;
1856             break;
1857         case '^':
1858             val ^= val2;
1859             break;
1860         }
1861     }
1862     return val;
1863 }
1864
1865 static target_long expr_sum(void)
1866 {
1867     target_long val, val2;
1868     int op;
1869
1870     val = expr_logic();
1871     for(;;) {
1872         op = *pch;
1873         if (op != '+' && op != '-')
1874             break;
1875         next();
1876         val2 = expr_logic();
1877         if (op == '+')
1878             val += val2;
1879         else
1880             val -= val2;
1881     }
1882     return val;
1883 }
1884
1885 static int get_expr(target_long *pval, const char **pp)
1886 {
1887     pch = *pp;
1888     if (setjmp(expr_env)) {
1889         *pp = pch;
1890         return -1;
1891     }
1892     while (isspace(*pch))
1893         pch++;
1894     *pval = expr_sum();
1895     *pp = pch;
1896     return 0;
1897 }
1898
1899 static int get_str(char *buf, int buf_size, const char **pp)
1900 {
1901     const char *p;
1902     char *q;
1903     int c;
1904
1905     q = buf;
1906     p = *pp;
1907     while (isspace(*p))
1908         p++;
1909     if (*p == '\0') {
1910     fail:
1911         *q = '\0';
1912         *pp = p;
1913         return -1;
1914     }
1915     if (*p == '\"') {
1916         p++;
1917         while (*p != '\0' && *p != '\"') {
1918             if (*p == '\\') {
1919                 p++;
1920                 c = *p++;
1921                 switch(c) {
1922                 case 'n':
1923                     c = '\n';
1924                     break;
1925                 case 'r':
1926                     c = '\r';
1927                     break;
1928                 case '\\':
1929                 case '\'':
1930                 case '\"':
1931                     break;
1932                 default:
1933                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1934                     goto fail;
1935                 }
1936                 if ((q - buf) < buf_size - 1) {
1937                     *q++ = c;
1938                 }
1939             } else {
1940                 if ((q - buf) < buf_size - 1) {
1941                     *q++ = *p;
1942                 }
1943                 p++;
1944             }
1945         }
1946         if (*p != '\"') {
1947             qemu_printf("unterminated string\n");
1948             goto fail;
1949         }
1950         p++;
1951     } else {
1952         while (*p != '\0' && !isspace(*p)) {
1953             if ((q - buf) < buf_size - 1) {
1954                 *q++ = *p;
1955             }
1956             p++;
1957         }
1958     }
1959     *q = '\0';
1960     *pp = p;
1961     return 0;
1962 }
1963
1964 static int default_fmt_format = 'x';
1965 static int default_fmt_size = 4;
1966
1967 #define MAX_ARGS 16
1968
1969 static void monitor_handle_command(const term_cmd_t *cmds, const char *cmdline)
1970 {
1971     const char *p, *pstart, *typestr;
1972     char *q;
1973     int c, nb_args, len, i, has_arg;
1974     term_cmd_t *cmd;
1975     char cmdname[256];
1976     char buf[1024];
1977     void *str_allocated[MAX_ARGS];
1978     void *args[MAX_ARGS];
1979
1980 #ifdef DEBUG
1981     term_printf("command='%s'\n", cmdline);
1982 #endif
1983
1984     /* extract the command name */
1985     p = cmdline;
1986     q = cmdname;
1987     while (isspace(*p))
1988         p++;
1989     if (*p == '\0')
1990         return;
1991     pstart = p;
1992     while (*p != '\0' && *p != '/' && !isspace(*p))
1993         p++;
1994     len = p - pstart;
1995     if (len > sizeof(cmdname) - 1)
1996         len = sizeof(cmdname) - 1;
1997     memcpy(cmdname, pstart, len);
1998     cmdname[len] = '\0';
1999
2000     /* find the command */
2001     for(cmd = cmds; cmd->name != NULL; cmd++) {
2002         if (compare_cmd(cmdname, cmd->name))
2003             goto found;
2004     }
2005     term_printf("unknown command: '%s'\n", cmdname);
2006     return;
2007  found:
2008
2009     for(i = 0; i < MAX_ARGS; i++)
2010         str_allocated[i] = NULL;
2011
2012     /* parse the parameters */
2013     typestr = cmd->args_type;
2014     nb_args = 0;
2015     for(;;) {
2016         while (isspace(*p)) /* eat whitespaces */
2017             p++;
2018         c = *typestr;
2019         if (c == '\0')
2020             break;
2021         typestr++;
2022         switch(c) {
2023         case 'F':
2024         case 'B':
2025         case 's':
2026             {
2027                 int ret;
2028                 char *str;
2029
2030                 if (*typestr == '?') {
2031                     typestr++;
2032                     if (*p == '\0') {
2033                         /* no optional string: NULL argument */
2034                         str = NULL;
2035                         goto add_str;
2036                     }
2037                 }
2038                 ret = get_str(buf, sizeof(buf), &p);
2039                 if (ret < 0) {
2040                     switch(c) {
2041                     case 'F':
2042                         term_printf("%s: filename expected\n", cmdname);
2043                         break;
2044                     case 'B':
2045                         term_printf("%s: block device name expected\n", cmdname);
2046                         break;
2047                     default:
2048                         term_printf("%s: string expected\n", cmdname);
2049                         break;
2050                     }
2051                     goto fail;
2052                 }
2053                 str = qemu_malloc(strlen(buf) + 1);
2054                 strcpy(str, buf);
2055                 str_allocated[nb_args] = str;
2056             add_str:
2057                 if (nb_args >= MAX_ARGS) {
2058                 error_args:
2059                     term_printf("%s: too many arguments\n", cmdname);
2060                     goto fail;
2061                 }
2062                 args[nb_args++] = str;
2063             }
2064             break;
2065         case '/':
2066             {
2067                 int count, format, size;
2068
2069                 if (*p == '/') {
2070                     /* format found */
2071                     p++;
2072                     count = 1;
2073                     if (isdigit(*p)) {
2074                         count = 0;
2075                         while (isdigit(*p)) {
2076                             count = count * 10 + (*p - '0');
2077                             p++;
2078                         }
2079                     }
2080                     size = -1;
2081                     format = -1;
2082                     for(;;) {
2083                         switch(*p) {
2084                         case 'o':
2085                         case 'd':
2086                         case 'u':
2087                         case 'x':
2088                         case 'i':
2089                         case 'c':
2090                             format = *p++;
2091                             break;
2092                         case 'b':
2093                             size = 1;
2094                             p++;
2095                             break;
2096                         case 'h':
2097                             size = 2;
2098                             p++;
2099                             break;
2100                         case 'w':
2101                             size = 4;
2102                             p++;
2103                             break;
2104                         case 'g':
2105                         case 'L':
2106                             size = 8;
2107                             p++;
2108                             break;
2109                         default:
2110                             goto next;
2111                         }
2112                     }
2113                 next:
2114                     if (*p != '\0' && !isspace(*p)) {
2115                         term_printf("invalid char in format: '%c'\n", *p);
2116                         goto fail;
2117                     }
2118                     if (format < 0)
2119                         format = default_fmt_format;
2120                     if (format != 'i') {
2121                         /* for 'i', not specifying a size gives -1 as size */
2122                         if (size < 0)
2123                             size = default_fmt_size;
2124                     }
2125                     default_fmt_size = size;
2126                     default_fmt_format = format;
2127                 } else {
2128                     count = 1;
2129                     format = default_fmt_format;
2130                     if (format != 'i') {
2131                         size = default_fmt_size;
2132                     } else {
2133                         size = -1;
2134                     }
2135                 }
2136                 if (nb_args + 3 > MAX_ARGS)
2137                     goto error_args;
2138                 args[nb_args++] = (void*)count;
2139                 args[nb_args++] = (void*)format;
2140                 args[nb_args++] = (void*)size;
2141             }
2142             break;
2143         case 'i':
2144         case 'l':
2145             {
2146                 target_long val;
2147                 if (*typestr == '?' || *typestr == '.') {
2148                     if (*typestr == '?') {
2149                         if (*p == '\0')
2150                             has_arg = 0;
2151                         else
2152                             has_arg = 1;
2153                     } else {
2154                         if (*p == '.') {
2155                             p++;
2156                             while (isspace(*p))
2157                                 p++;
2158                             has_arg = 1;
2159                         } else {
2160                             has_arg = 0;
2161                         }
2162                     }
2163                     typestr++;
2164                     if (nb_args >= MAX_ARGS)
2165                         goto error_args;
2166                     args[nb_args++] = (void *)has_arg;
2167                     if (!has_arg) {
2168                         if (nb_args >= MAX_ARGS)
2169                             goto error_args;
2170                         val = -1;
2171                         goto add_num;
2172                     }
2173                 }
2174                 if (get_expr(&val, &p))
2175                     goto fail;
2176             add_num:
2177                 if (c == 'i') {
2178                     if (nb_args >= MAX_ARGS)
2179                         goto error_args;
2180                     args[nb_args++] = (void *)(int)val;
2181                 } else {
2182                     if ((nb_args + 1) >= MAX_ARGS)
2183                         goto error_args;
2184 #if TARGET_LONG_BITS == 64
2185                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2186 #else
2187                     args[nb_args++] = (void *)0;
2188 #endif
2189                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2190                 }
2191             }
2192             break;
2193         case 'A':
2194             args[nb_args++] = p;
2195             while (*p) /* goto end of cmdline */
2196                 p++;
2197             break;
2198         case '-':
2199             {
2200                 int has_option;
2201                 /* option */
2202
2203                 c = *typestr++;
2204                 if (c == '\0')
2205                     goto bad_type;
2206                 has_option = 0;
2207                 if (*p == '-') {
2208                     p++;
2209                     if (*p != c) {
2210                         term_printf("%s: unsupported option -%c\n",
2211                                     cmdname, *p);
2212                         goto fail;
2213                     }
2214                     p++;
2215                     has_option = 1;
2216                 }
2217                 if (nb_args >= MAX_ARGS)
2218                     goto error_args;
2219                 args[nb_args++] = (void *)has_option;
2220             }
2221             break;
2222         default:
2223         bad_type:
2224             term_printf("%s: unknown type '%c'\n", cmdname, c);
2225             goto fail;
2226         }
2227     }
2228     /* check that all arguments were parsed */
2229     while (isspace(*p))
2230         p++;
2231     if (*p != '\0') {
2232         term_printf("%s: extraneous characters at the end of line\n",
2233                     cmdname);
2234         goto fail;
2235     }
2236
2237 #ifdef USE_KVM
2238     if(1)
2239     {
2240         CPUState *env=mon_get_cpu();
2241         if (kvm_allowed)
2242             kvm_save_registers(env);
2243     }
2244 #endif
2245
2246     switch(nb_args) {
2247     case 0:
2248         cmd->handler();
2249         break;
2250     case 1:
2251         cmd->handler(args[0]);
2252         break;
2253     case 2:
2254         cmd->handler(args[0], args[1]);
2255         break;
2256     case 3:
2257         cmd->handler(args[0], args[1], args[2]);
2258         break;
2259     case 4:
2260         cmd->handler(args[0], args[1], args[2], args[3]);
2261         break;
2262     case 5:
2263         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2264         break;
2265     case 6:
2266         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2267         break;
2268     case 7:
2269         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2270         break;
2271     default:
2272         term_printf("unsupported number of arguments: %d\n", nb_args);
2273         goto fail;
2274     }
2275  fail:
2276     for(i = 0; i < MAX_ARGS; i++)
2277         qemu_free(str_allocated[i]);
2278     return;
2279 }
2280
2281 static void cmd_completion(const char *name, const char *list)
2282 {
2283     const char *p, *pstart;
2284     char cmd[128];
2285     int len;
2286
2287     p = list;
2288     for(;;) {
2289         pstart = p;
2290         p = strchr(p, '|');
2291         if (!p)
2292             p = pstart + strlen(pstart);
2293         len = p - pstart;
2294         if (len > sizeof(cmd) - 2)
2295             len = sizeof(cmd) - 2;
2296         memcpy(cmd, pstart, len);
2297         cmd[len] = '\0';
2298         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2299             add_completion(cmd);
2300         }
2301         if (*p == '\0')
2302             break;
2303         p++;
2304     }
2305 }
2306
2307 static void file_completion(const char *input)
2308 {
2309     DIR *ffs;
2310     struct dirent *d;
2311     char path[1024];
2312     char file[1024], file_prefix[1024];
2313     int input_path_len;
2314     const char *p;
2315
2316     p = strrchr(input, '/');
2317     if (!p) {
2318         input_path_len = 0;
2319         pstrcpy(file_prefix, sizeof(file_prefix), input);
2320         strcpy(path, ".");
2321     } else {
2322         input_path_len = p - input + 1;
2323         memcpy(path, input, input_path_len);
2324         if (input_path_len > sizeof(path) - 1)
2325             input_path_len = sizeof(path) - 1;
2326         path[input_path_len] = '\0';
2327         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2328     }
2329 #ifdef DEBUG_COMPLETION
2330     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2331 #endif
2332     ffs = opendir(path);
2333     if (!ffs)
2334         return;
2335     for(;;) {
2336         struct stat sb;
2337         d = readdir(ffs);
2338         if (!d)
2339             break;
2340         if (strstart(d->d_name, file_prefix, NULL)) {
2341             memcpy(file, input, input_path_len);
2342             strcpy(file + input_path_len, d->d_name);
2343             /* stat the file to find out if it's a directory.
2344              * In that case add a slash to speed up typing long paths
2345              */
2346             stat(file, &sb);
2347             if(S_ISDIR(sb.st_mode))
2348                 strcat(file, "/");
2349             add_completion(file);
2350         }
2351     }
2352     closedir(ffs);
2353 }
2354
2355 static void block_completion_it(void *opaque, const char *name)
2356 {
2357     const char *input = opaque;
2358
2359     if (input[0] == '\0' ||
2360         !strncmp(name, (char *)input, strlen(input))) {
2361         add_completion(name);
2362     }
2363 }
2364
2365 /* NOTE: this parser is an approximate form of the real command parser */
2366 static void parse_cmdline(const char *cmdline,
2367                          int *pnb_args, char **args)
2368 {
2369     const char *p;
2370     int nb_args, ret;
2371     char buf[1024];
2372
2373     p = cmdline;
2374     nb_args = 0;
2375     for(;;) {
2376         while (isspace(*p))
2377             p++;
2378         if (*p == '\0')
2379             break;
2380         if (nb_args >= MAX_ARGS)
2381             break;
2382         ret = get_str(buf, sizeof(buf), &p);
2383         args[nb_args] = qemu_strdup(buf);
2384         nb_args++;
2385         if (ret < 0)
2386             break;
2387     }
2388     *pnb_args = nb_args;
2389 }
2390
2391 void readline_find_completion(const char *cmdline)
2392 {
2393     const char *cmdname;
2394     char *args[MAX_ARGS];
2395     int nb_args, i, len;
2396     const char *ptype, *str;
2397     term_cmd_t *cmd;
2398     const KeyDef *key;
2399
2400     parse_cmdline(cmdline, &nb_args, args);
2401 #ifdef DEBUG_COMPLETION
2402     for(i = 0; i < nb_args; i++) {
2403         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2404     }
2405 #endif
2406
2407     /* if the line ends with a space, it means we want to complete the
2408        next arg */
2409     len = strlen(cmdline);
2410     if (len > 0 && isspace(cmdline[len - 1])) {
2411         if (nb_args >= MAX_ARGS)
2412             return;
2413         args[nb_args++] = qemu_strdup("");
2414     }
2415     if (nb_args <= 1) {
2416         /* command completion */
2417         if (nb_args == 0)
2418             cmdname = "";
2419         else
2420             cmdname = args[0];
2421         completion_index = strlen(cmdname);
2422         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2423             cmd_completion(cmdname, cmd->name);
2424         }
2425     } else {
2426         /* find the command */
2427         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2428             if (compare_cmd(args[0], cmd->name))
2429                 goto found;
2430         }
2431         return;
2432     found:
2433         ptype = cmd->args_type;
2434         for(i = 0; i < nb_args - 2; i++) {
2435             if (*ptype != '\0') {
2436                 ptype++;
2437                 while (*ptype == '?')
2438                     ptype++;
2439             }
2440         }
2441         str = args[nb_args - 1];
2442         switch(*ptype) {
2443         case 'F':
2444             /* file completion */
2445             completion_index = strlen(str);
2446             file_completion(str);
2447             break;
2448         case 'B':
2449             /* block device name completion */
2450             completion_index = strlen(str);
2451             bdrv_iterate(block_completion_it, (void *)str);
2452             break;
2453         case 's':
2454         case 'A':
2455             /* XXX: more generic ? */
2456             if (!strcmp(cmd->name, "info")) {
2457                 completion_index = strlen(str);
2458                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2459                     cmd_completion(str, cmd->name);
2460                 }
2461             } else if (!strcmp(cmd->name, "sendkey")) {
2462                 completion_index = strlen(str);
2463                 for(key = key_defs; key->name != NULL; key++) {
2464                     cmd_completion(str, key->name);
2465                 }
2466             } else if (!strcmp(cmd->name, "migration")) {
2467                 completion_index = strlen(str);
2468                 for(cmd = migration_cmds; cmd->name != NULL; cmd++) {
2469                     cmd_completion(str, cmd->name);
2470                 }
2471             }
2472             break;
2473         default:
2474             break;
2475         }
2476     }
2477     for(i = 0; i < nb_args; i++)
2478         qemu_free(args[i]);
2479 }
2480
2481 static int term_can_read(void *opaque)
2482 {
2483     return 128;
2484 }
2485
2486 static void term_read(void *opaque, const uint8_t *buf, int size)
2487 {
2488     int i;
2489     for(i = 0; i < size; i++)
2490         readline_handle_byte(buf[i]);
2491 }
2492
2493 static void monitor_start_input(void);
2494
2495 static void monitor_handle_command1(void *opaque, const char *cmdline)
2496 {
2497     monitor_handle_command(term_cmds, cmdline);
2498     monitor_start_input();
2499 }
2500
2501 static void monitor_start_input(void)
2502 {
2503     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2504 }
2505
2506 void monitor_init(CharDriverState *hd, int show_banner)
2507 {
2508     monitor_hd = hd;
2509     if (show_banner) {
2510         term_printf("QEMU %s monitor - type 'help' for more information\n",
2511                     QEMU_VERSION);
2512     }
2513     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2514     monitor_start_input();
2515 }
2516
2517 /* XXX: use threads ? */
2518 /* modal monitor readline */
2519 static int monitor_readline_started;
2520 static char *monitor_readline_buf;
2521 static int monitor_readline_buf_size;
2522
2523 static void monitor_readline_cb(void *opaque, const char *input)
2524 {
2525     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2526     monitor_readline_started = 0;
2527 }
2528
2529 void monitor_readline(const char *prompt, int is_password,
2530                       char *buf, int buf_size)
2531 {
2532     if (is_password) {
2533         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2534     }
2535     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2536     monitor_readline_buf = buf;
2537     monitor_readline_buf_size = buf_size;
2538     monitor_readline_started = 1;
2539     while (monitor_readline_started) {
2540         main_loop_wait(10);
2541     }
2542 }