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