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 int mouse_button_state;
 825
 826 static void do_mouse_move(const char *dx_str, const char *dy_str,
 827                           const char *dz_str)
 828 {
 829     int dx, dy, dz;
 830     dx = strtol(dx_str, NULL, 0);
 831     dy = strtol(dy_str, NULL, 0);
 832     dz = 0;
 833     if (dz_str)
 834         dz = strtol(dz_str, NULL, 0);
 835     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 836 }
 837
 838 static void do_mouse_button(int button_state)
 839 {
 840     mouse_button_state = button_state;
 841     kbd_mouse_event(0, 0, 0, mouse_button_state);
 842 }
 843
 844 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 845 {
 846     uint32_t val;
 847     int suffix;
 848
 849     if (has_index) {
 850         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 851         addr++;
 852     }
 853     addr &= 0xffff;
 854
 855     switch(size) {
 856     default:
 857     case 1:
 858         val = cpu_inb(NULL, addr);
 859         suffix = 'b';
 860         break;
 861     case 2:
 862         val = cpu_inw(NULL, addr);
 863         suffix = 'w';
 864         break;
 865     case 4:
 866         val = cpu_inl(NULL, addr);
 867         suffix = 'l';
 868         break;
 869     }
 870     term_printf("port%c[0x%04x] = %#0*x\n",
 871                 suffix, addr, size * 2, val);
 872 }
 873
 874 static void do_system_reset(void)
 875 {
 876     qemu_system_reset_request();
 877 }
 878
 879 static void do_system_powerdown(void)
 880 {
 881     qemu_system_powerdown_request();
 882 }
 883
 884 #if defined(TARGET_I386)
 885 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 886 {
 887     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 888                 addr,
 889                 pte & mask,
 890                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 891                 pte & PG_PSE_MASK ? 'P' : '-',
 892                 pte & PG_DIRTY_MASK ? 'D' : '-',
 893                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 894                 pte & PG_PCD_MASK ? 'C' : '-',
 895                 pte & PG_PWT_MASK ? 'T' : '-',
 896                 pte & PG_USER_MASK ? 'U' : '-',
 897                 pte & PG_RW_MASK ? 'W' : '-');
 898 }
 899
 900 static void tlb_info(void)
 901 {
 902     CPUState *env;
 903     int l1, l2;
 904     uint32_t pgd, pde, pte;
 905
 906     env = mon_get_cpu();
 907     if (!env)
 908         return;
 909
 910     if (!(env->cr[0] & CR0_PG_MASK)) {
 911         term_printf("PG disabled\n");
 912         return;
 913     }
 914     pgd = env->cr[3] & ~0xfff;
 915     for(l1 = 0; l1 < 1024; l1++) {
 916         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 917         pde = le32_to_cpu(pde);
 918         if (pde & PG_PRESENT_MASK) {
 919             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 920                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 921             } else {
 922                 for(l2 = 0; l2 < 1024; l2++) {
 923                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 924                                              (uint8_t *)&pte, 4);
 925                     pte = le32_to_cpu(pte);
 926                     if (pte & PG_PRESENT_MASK) {
 927                         print_pte((l1 << 22) + (l2 << 12),
 928                                   pte & ~PG_PSE_MASK,
 929                                   ~0xfff);
 930                     }
 931                 }
 932             }
 933         }
 934     }
 935 }
 936
 937 static void mem_print(uint32_t *pstart, int *plast_prot,
 938                       uint32_t end, int prot)
 939 {
 940     int prot1;
 941     prot1 = *plast_prot;
 942     if (prot != prot1) {
 943         if (*pstart != -1) {
 944             term_printf("%08x-%08x %08x %c%c%c\n",
 945                         *pstart, end, end - *pstart,
 946                         prot1 & PG_USER_MASK ? 'u' : '-',
 947                         'r',
 948                         prot1 & PG_RW_MASK ? 'w' : '-');
 949         }
 950         if (prot != 0)
 951             *pstart = end;
 952         else
 953             *pstart = -1;
 954         *plast_prot = prot;
 955     }
 956 }
 957
 958 static void mem_info(void)
 959 {
 960     CPUState *env;
 961     int l1, l2, prot, last_prot;
 962     uint32_t pgd, pde, pte, start, end;
 963
 964     env = mon_get_cpu();
 965     if (!env)
 966         return;
 967
 968     if (!(env->cr[0] & CR0_PG_MASK)) {
 969         term_printf("PG disabled\n");
 970         return;
 971     }
 972     pgd = env->cr[3] & ~0xfff;
 973     last_prot = 0;
 974     start = -1;
 975     for(l1 = 0; l1 < 1024; l1++) {
 976         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 977         pde = le32_to_cpu(pde);
 978         end = l1 << 22;
 979         if (pde & PG_PRESENT_MASK) {
 980             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 981                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 982                 mem_print(&start, &last_prot, end, prot);
 983             } else {
 984                 for(l2 = 0; l2 < 1024; l2++) {
 985                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 986                                              (uint8_t *)&pte, 4);
 987                     pte = le32_to_cpu(pte);
 988                     end = (l1 << 22) + (l2 << 12);
 989                     if (pte & PG_PRESENT_MASK) {
 990                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 991                     } else {
 992                         prot = 0;
 993                     }
 994                     mem_print(&start, &last_prot, end, prot);
 995                 }
 996             }
 997         } else {
 998             prot = 0;
 999             mem_print(&start, &last_prot, end, prot);
1000         }
1001     }
1002 }
1003 #endif
1004
1005 static void do_info_kqemu(void)
1006 {
1007 #ifdef USE_KQEMU
1008     CPUState *env;
1009     int val;
1010     val = 0;
1011     env = mon_get_cpu();
1012     if (!env) {
1013         term_printf("No cpu initialized yet");
1014         return;
1015     }
1016     val = env->kqemu_enabled;
1017     term_printf("kqemu support: ");
1018     switch(val) {
1019     default:
1020     case 0:
1021         term_printf("disabled\n");
1022         break;
1023     case 1:
1024         term_printf("enabled for user code\n");
1025         break;
1026     case 2:
1027         term_printf("enabled for user and kernel code\n");
1028         break;
1029     }
1030 #else
1031     term_printf("kqemu support: not compiled\n");
1032 #endif
1033 }
1034
1035 #ifdef CONFIG_PROFILER
1036
1037 int64_t kqemu_time;
1038 int64_t qemu_time;
1039 int64_t kqemu_exec_count;
1040 int64_t dev_time;
1041 int64_t kqemu_ret_int_count;
1042 int64_t kqemu_ret_excp_count;
1043 int64_t kqemu_ret_intr_count;
1044
1045 static void do_info_profile(void)
1046 {
1047     int64_t total;
1048     total = qemu_time;
1049     if (total == 0)
1050         total = 1;
1051     term_printf("async time  %" PRId64 " (%0.3f)\n",
1052                 dev_time, dev_time / (double)ticks_per_sec);
1053     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1054                 qemu_time, qemu_time / (double)ticks_per_sec);
1055     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1056                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1057                 kqemu_time / (double)total * 100.0,
1058                 kqemu_exec_count,
1059                 kqemu_ret_int_count,
1060                 kqemu_ret_excp_count,
1061                 kqemu_ret_intr_count);
1062     qemu_time = 0;
1063     kqemu_time = 0;
1064     kqemu_exec_count = 0;
1065     dev_time = 0;
1066     kqemu_ret_int_count = 0;
1067     kqemu_ret_excp_count = 0;
1068     kqemu_ret_intr_count = 0;
1069 #ifdef USE_KQEMU
1070     kqemu_record_dump();
1071 #endif
1072 }
1073 #else
1074 static void do_info_profile(void)
1075 {
1076     term_printf("Internal profiler not compiled\n");
1077 }
1078 #endif
1079
1080 /* Capture support */
1081 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1082
1083 static void do_info_capture (void)
1084 {
1085     int i;
1086     CaptureState *s;
1087
1088     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1089         term_printf ("[%d]: ", i);
1090         s->ops.info (s->opaque);
1091     }
1092 }
1093
1094 static void do_stop_capture (int n)
1095 {
1096     int i;
1097     CaptureState *s;
1098
1099     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1100         if (i == n) {
1101             s->ops.destroy (s->opaque);
1102             LIST_REMOVE (s, entries);
1103             qemu_free (s);
1104             return;
1105         }
1106     }
1107 }
1108
1109 #ifdef HAS_AUDIO
1110 int wav_start_capture (CaptureState *s, const char *path, int freq,
1111                        int bits, int nchannels);
1112
1113 static void do_wav_capture (const char *path,
1114                             int has_freq, int freq,
1115                             int has_bits, int bits,
1116                             int has_channels, int nchannels)
1117 {
1118     CaptureState *s;
1119
1120     s = qemu_mallocz (sizeof (*s));
1121     if (!s) {
1122         term_printf ("Not enough memory to add wave capture\n");
1123         return;
1124     }
1125
1126     freq = has_freq ? freq : 44100;
1127     bits = has_bits ? bits : 16;
1128     nchannels = has_channels ? nchannels : 2;
1129
1130     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1131         term_printf ("Faied to add wave capture\n");
1132         qemu_free (s);
1133     }
1134     LIST_INSERT_HEAD (&capture_head, s, entries);
1135 }
1136 #endif
1137
1138 static term_cmd_t term_cmds[] = {
1139     { "help|?", "s?", do_help,
1140       "[cmd]", "show the help" },
1141     { "commit", "", do_commit,
1142       "", "commit changes to the disk images (if -snapshot is used)" },
1143     { "info", "s?", do_info,
1144       "subcommand", "show various information about the system state" },
1145     { "q|quit", "", do_quit,
1146       "", "quit the emulator" },
1147     { "eject", "-fB", do_eject,
1148       "[-f] device", "eject a removable media (use -f to force it)" },
1149     { "change", "BF", do_change,
1150       "device filename", "change a removable media" },
1151     { "screendump", "F", do_screen_dump,
1152       "filename", "save screen into PPM image 'filename'" },
1153     { "log", "s", do_log,
1154       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1155     { "savevm", "F", do_savevm,
1156       "filename", "save the whole virtual machine state to 'filename'" },
1157     { "loadvm", "F", do_loadvm,
1158       "filename", "restore the whole virtual machine state from 'filename'" },
1159     { "stop", "", do_stop,
1160       "", "stop emulation", },
1161     { "c|cont", "", do_cont,
1162       "", "resume emulation", },
1163 #ifdef CONFIG_GDBSTUB
1164     { "gdbserver", "i?", do_gdbserver,
1165       "[port]", "start gdbserver session (default port=1234)", },
1166 #endif
1167     { "x", "/l", do_memory_dump,
1168       "/fmt addr", "virtual memory dump starting at 'addr'", },
1169     { "xp", "/l", do_physical_memory_dump,
1170       "/fmt addr", "physical memory dump starting at 'addr'", },
1171     { "p|print", "/l", do_print,
1172       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1173     { "i", "/ii.", do_ioport_read,
1174       "/fmt addr", "I/O port read" },
1175
1176     { "sendkey", "s", do_send_key,
1177       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1178     { "system_reset", "", do_system_reset,
1179       "", "reset the system" },
1180     { "system_powerdown", "", do_system_powerdown,
1181       "", "send system power down event" },
1182     { "sum", "ii", do_sum,
1183       "addr size", "compute the checksum of a memory region" },
1184     { "usb_add", "s", do_usb_add,
1185       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1186     { "usb_del", "s", do_usb_del,
1187       "device", "remove USB device 'bus.addr'" },
1188     { "cpu", "i", do_cpu_set,
1189       "index", "set the default CPU" },
1190     { "mouse_move", "sss?", do_mouse_move,
1191       "dx dy [dz]", "send mouse move events" },
1192     { "mouse_button", "i", do_mouse_button,
1193       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1194 #ifdef HAS_AUDIO
1195     { "wavcapture", "si?i?i?", do_wav_capture,
1196       "path [frequency bits channels]",
1197       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1198 #endif
1199      { "stopcapture", "i", do_stop_capture,
1200        "capture index", "stop capture" },
1201     { NULL, NULL, },
1202 };
1203
1204 static term_cmd_t info_cmds[] = {
1205     { "version", "", do_info_version,
1206       "", "show the version of qemu" },
1207     { "network", "", do_info_network,
1208       "", "show the network state" },
1209     { "block", "", do_info_block,
1210       "", "show the block devices" },
1211     { "registers", "", do_info_registers,
1212       "", "show the cpu registers" },
1213     { "cpus", "", do_info_cpus,
1214       "", "show infos for each CPU" },
1215     { "history", "", do_info_history,
1216       "", "show the command line history", },
1217     { "irq", "", irq_info,
1218       "", "show the interrupts statistics (if available)", },
1219     { "pic", "", pic_info,
1220       "", "show i8259 (PIC) state", },
1221     { "pci", "", pci_info,
1222       "", "show PCI info", },
1223 #if defined(TARGET_I386)
1224     { "tlb", "", tlb_info,
1225       "", "show virtual to physical memory mappings", },
1226     { "mem", "", mem_info,
1227       "", "show the active virtual memory mappings", },
1228 #endif
1229     { "jit", "", do_info_jit,
1230       "", "show dynamic compiler info", },
1231     { "kqemu", "", do_info_kqemu,
1232       "", "show kqemu information", },
1233     { "usb", "", usb_info,
1234       "", "show guest USB devices", },
1235     { "usbhost", "", usb_host_info,
1236       "", "show host USB devices", },
1237     { "profile", "", do_info_profile,
1238       "", "show profiling information", },
1239     { "capture", "", do_info_capture,
1240       "show capture information" },
1241     { NULL, NULL, },
1242 };
1243
1244 /*******************************************************************/
1245
1246 static const char *pch;
1247 static jmp_buf expr_env;
1248
1249 #define MD_TLONG 0
1250 #define MD_I32   1
1251
1252 typedef struct MonitorDef {
1253     const char *name;
1254     int offset;
1255     target_long (*get_value)(struct MonitorDef *md, int val);
1256     int type;
1257 } MonitorDef;
1258
1259 #if defined(TARGET_I386)
1260 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1261 {
1262     CPUState *env = mon_get_cpu();
1263     if (!env)
1264         return 0;
1265     return env->eip + env->segs[R_CS].base;
1266 }
1267 #endif
1268
1269 #if defined(TARGET_PPC)
1270 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1271 {
1272     CPUState *env = mon_get_cpu();
1273     unsigned int u;
1274     int i;
1275
1276     if (!env)
1277         return 0;
1278
1279     u = 0;
1280     for (i = 0; i < 8; i++)
1281         u |= env->crf[i] << (32 - (4 * i));
1282
1283     return u;
1284 }
1285
1286 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1287 {
1288     CPUState *env = mon_get_cpu();
1289     if (!env)
1290         return 0;
1291     return (env->msr[MSR_POW] << MSR_POW) |
1292         (env->msr[MSR_ILE] << MSR_ILE) |
1293         (env->msr[MSR_EE] << MSR_EE) |
1294         (env->msr[MSR_PR] << MSR_PR) |
1295         (env->msr[MSR_FP] << MSR_FP) |
1296         (env->msr[MSR_ME] << MSR_ME) |
1297         (env->msr[MSR_FE0] << MSR_FE0) |
1298         (env->msr[MSR_SE] << MSR_SE) |
1299         (env->msr[MSR_BE] << MSR_BE) |
1300         (env->msr[MSR_FE1] << MSR_FE1) |
1301         (env->msr[MSR_IP] << MSR_IP) |
1302         (env->msr[MSR_IR] << MSR_IR) |
1303         (env->msr[MSR_DR] << MSR_DR) |
1304         (env->msr[MSR_RI] << MSR_RI) |
1305         (env->msr[MSR_LE] << MSR_LE);
1306 }
1307
1308 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1309 {
1310     CPUState *env = mon_get_cpu();
1311     if (!env)
1312         return 0;
1313     return (env->xer[XER_SO] << XER_SO) |
1314         (env->xer[XER_OV] << XER_OV) |
1315         (env->xer[XER_CA] << XER_CA) |
1316         (env->xer[XER_BC] << XER_BC);
1317 }
1318
1319 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1320 {
1321     CPUState *env = mon_get_cpu();
1322     if (!env)
1323         return 0;
1324     return cpu_ppc_load_decr(env);
1325 }
1326
1327 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1328 {
1329     CPUState *env = mon_get_cpu();
1330     if (!env)
1331         return 0;
1332     return cpu_ppc_load_tbu(env);
1333 }
1334
1335 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1336 {
1337     CPUState *env = mon_get_cpu();
1338     if (!env)
1339         return 0;
1340     return cpu_ppc_load_tbl(env);
1341 }
1342 #endif
1343
1344 #if defined(TARGET_SPARC)
1345 #ifndef TARGET_SPARC64
1346 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1347 {
1348     CPUState *env = mon_get_cpu();
1349     if (!env)
1350         return 0;
1351     return GET_PSR(env);
1352 }
1353 #endif
1354
1355 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1356 {
1357     CPUState *env = mon_get_cpu();
1358     if (!env)
1359         return 0;
1360     return env->regwptr[val];
1361 }
1362 #endif
1363
1364 static MonitorDef monitor_defs[] = {
1365 #ifdef TARGET_I386
1366
1367 #define SEG(name, seg) \
1368     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1369     { name ".base", offsetof(CPUState, segs[seg].base) },\
1370     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1371
1372     { "eax", offsetof(CPUState, regs[0]) },
1373     { "ecx", offsetof(CPUState, regs[1]) },
1374     { "edx", offsetof(CPUState, regs[2]) },
1375     { "ebx", offsetof(CPUState, regs[3]) },
1376     { "esp|sp", offsetof(CPUState, regs[4]) },
1377     { "ebp|fp", offsetof(CPUState, regs[5]) },
1378     { "esi", offsetof(CPUState, regs[6]) },
1379     { "edi", offsetof(CPUState, regs[7]) },
1380 #ifdef TARGET_X86_64
1381     { "r8", offsetof(CPUState, regs[8]) },
1382     { "r9", offsetof(CPUState, regs[9]) },
1383     { "r10", offsetof(CPUState, regs[10]) },
1384     { "r11", offsetof(CPUState, regs[11]) },
1385     { "r12", offsetof(CPUState, regs[12]) },
1386     { "r13", offsetof(CPUState, regs[13]) },
1387     { "r14", offsetof(CPUState, regs[14]) },
1388     { "r15", offsetof(CPUState, regs[15]) },
1389 #endif
1390     { "eflags", offsetof(CPUState, eflags) },
1391     { "eip", offsetof(CPUState, eip) },
1392     SEG("cs", R_CS)
1393     SEG("ds", R_DS)
1394     SEG("es", R_ES)
1395     SEG("ss", R_SS)
1396     SEG("fs", R_FS)
1397     SEG("gs", R_GS)
1398     { "pc", 0, monitor_get_pc, },
1399 #elif defined(TARGET_PPC)
1400     { "r0", offsetof(CPUState, gpr[0]) },
1401     { "r1", offsetof(CPUState, gpr[1]) },
1402     { "r2", offsetof(CPUState, gpr[2]) },
1403     { "r3", offsetof(CPUState, gpr[3]) },
1404     { "r4", offsetof(CPUState, gpr[4]) },
1405     { "r5", offsetof(CPUState, gpr[5]) },
1406     { "r6", offsetof(CPUState, gpr[6]) },
1407     { "r7", offsetof(CPUState, gpr[7]) },
1408     { "r8", offsetof(CPUState, gpr[8]) },
1409     { "r9", offsetof(CPUState, gpr[9]) },
1410     { "r10", offsetof(CPUState, gpr[10]) },
1411     { "r11", offsetof(CPUState, gpr[11]) },
1412     { "r12", offsetof(CPUState, gpr[12]) },
1413     { "r13", offsetof(CPUState, gpr[13]) },
1414     { "r14", offsetof(CPUState, gpr[14]) },
1415     { "r15", offsetof(CPUState, gpr[15]) },
1416     { "r16", offsetof(CPUState, gpr[16]) },
1417     { "r17", offsetof(CPUState, gpr[17]) },
1418     { "r18", offsetof(CPUState, gpr[18]) },
1419     { "r19", offsetof(CPUState, gpr[19]) },
1420     { "r20", offsetof(CPUState, gpr[20]) },
1421     { "r21", offsetof(CPUState, gpr[21]) },
1422     { "r22", offsetof(CPUState, gpr[22]) },
1423     { "r23", offsetof(CPUState, gpr[23]) },
1424     { "r24", offsetof(CPUState, gpr[24]) },
1425     { "r25", offsetof(CPUState, gpr[25]) },
1426     { "r26", offsetof(CPUState, gpr[26]) },
1427     { "r27", offsetof(CPUState, gpr[27]) },
1428     { "r28", offsetof(CPUState, gpr[28]) },
1429     { "r29", offsetof(CPUState, gpr[29]) },
1430     { "r30", offsetof(CPUState, gpr[30]) },
1431     { "r31", offsetof(CPUState, gpr[31]) },
1432     { "nip|pc", offsetof(CPUState, nip) },
1433     { "lr", offsetof(CPUState, lr) },
1434     { "ctr", offsetof(CPUState, ctr) },
1435     { "decr", 0, &monitor_get_decr, },
1436     { "ccr", 0, &monitor_get_ccr, },
1437     { "msr", 0, &monitor_get_msr, },
1438     { "xer", 0, &monitor_get_xer, },
1439     { "tbu", 0, &monitor_get_tbu, },
1440     { "tbl", 0, &monitor_get_tbl, },
1441     { "sdr1", offsetof(CPUState, sdr1) },
1442     { "sr0", offsetof(CPUState, sr[0]) },
1443     { "sr1", offsetof(CPUState, sr[1]) },
1444     { "sr2", offsetof(CPUState, sr[2]) },
1445     { "sr3", offsetof(CPUState, sr[3]) },
1446     { "sr4", offsetof(CPUState, sr[4]) },
1447     { "sr5", offsetof(CPUState, sr[5]) },
1448     { "sr6", offsetof(CPUState, sr[6]) },
1449     { "sr7", offsetof(CPUState, sr[7]) },
1450     { "sr8", offsetof(CPUState, sr[8]) },
1451     { "sr9", offsetof(CPUState, sr[9]) },
1452     { "sr10", offsetof(CPUState, sr[10]) },
1453     { "sr11", offsetof(CPUState, sr[11]) },
1454     { "sr12", offsetof(CPUState, sr[12]) },
1455     { "sr13", offsetof(CPUState, sr[13]) },
1456     { "sr14", offsetof(CPUState, sr[14]) },
1457     { "sr15", offsetof(CPUState, sr[15]) },
1458     /* Too lazy to put BATs and SPRs ... */
1459 #elif defined(TARGET_SPARC)
1460     { "g0", offsetof(CPUState, gregs[0]) },
1461     { "g1", offsetof(CPUState, gregs[1]) },
1462     { "g2", offsetof(CPUState, gregs[2]) },
1463     { "g3", offsetof(CPUState, gregs[3]) },
1464     { "g4", offsetof(CPUState, gregs[4]) },
1465     { "g5", offsetof(CPUState, gregs[5]) },
1466     { "g6", offsetof(CPUState, gregs[6]) },
1467     { "g7", offsetof(CPUState, gregs[7]) },
1468     { "o0", 0, monitor_get_reg },
1469     { "o1", 1, monitor_get_reg },
1470     { "o2", 2, monitor_get_reg },
1471     { "o3", 3, monitor_get_reg },
1472     { "o4", 4, monitor_get_reg },
1473     { "o5", 5, monitor_get_reg },
1474     { "o6", 6, monitor_get_reg },
1475     { "o7", 7, monitor_get_reg },
1476     { "l0", 8, monitor_get_reg },
1477     { "l1", 9, monitor_get_reg },
1478     { "l2", 10, monitor_get_reg },
1479     { "l3", 11, monitor_get_reg },
1480     { "l4", 12, monitor_get_reg },
1481     { "l5", 13, monitor_get_reg },
1482     { "l6", 14, monitor_get_reg },
1483     { "l7", 15, monitor_get_reg },
1484     { "i0", 16, monitor_get_reg },
1485     { "i1", 17, monitor_get_reg },
1486     { "i2", 18, monitor_get_reg },
1487     { "i3", 19, monitor_get_reg },
1488     { "i4", 20, monitor_get_reg },
1489     { "i5", 21, monitor_get_reg },
1490     { "i6", 22, monitor_get_reg },
1491     { "i7", 23, monitor_get_reg },
1492     { "pc", offsetof(CPUState, pc) },
1493     { "npc", offsetof(CPUState, npc) },
1494     { "y", offsetof(CPUState, y) },
1495 #ifndef TARGET_SPARC64
1496     { "psr", 0, &monitor_get_psr, },
1497     { "wim", offsetof(CPUState, wim) },
1498 #endif
1499     { "tbr", offsetof(CPUState, tbr) },
1500     { "fsr", offsetof(CPUState, fsr) },
1501     { "f0", offsetof(CPUState, fpr[0]) },
1502     { "f1", offsetof(CPUState, fpr[1]) },
1503     { "f2", offsetof(CPUState, fpr[2]) },
1504     { "f3", offsetof(CPUState, fpr[3]) },
1505     { "f4", offsetof(CPUState, fpr[4]) },
1506     { "f5", offsetof(CPUState, fpr[5]) },
1507     { "f6", offsetof(CPUState, fpr[6]) },
1508     { "f7", offsetof(CPUState, fpr[7]) },
1509     { "f8", offsetof(CPUState, fpr[8]) },
1510     { "f9", offsetof(CPUState, fpr[9]) },
1511     { "f10", offsetof(CPUState, fpr[10]) },
1512     { "f11", offsetof(CPUState, fpr[11]) },
1513     { "f12", offsetof(CPUState, fpr[12]) },
1514     { "f13", offsetof(CPUState, fpr[13]) },
1515     { "f14", offsetof(CPUState, fpr[14]) },
1516     { "f15", offsetof(CPUState, fpr[15]) },
1517     { "f16", offsetof(CPUState, fpr[16]) },
1518     { "f17", offsetof(CPUState, fpr[17]) },
1519     { "f18", offsetof(CPUState, fpr[18]) },
1520     { "f19", offsetof(CPUState, fpr[19]) },
1521     { "f20", offsetof(CPUState, fpr[20]) },
1522     { "f21", offsetof(CPUState, fpr[21]) },
1523     { "f22", offsetof(CPUState, fpr[22]) },
1524     { "f23", offsetof(CPUState, fpr[23]) },
1525     { "f24", offsetof(CPUState, fpr[24]) },
1526     { "f25", offsetof(CPUState, fpr[25]) },
1527     { "f26", offsetof(CPUState, fpr[26]) },
1528     { "f27", offsetof(CPUState, fpr[27]) },
1529     { "f28", offsetof(CPUState, fpr[28]) },
1530     { "f29", offsetof(CPUState, fpr[29]) },
1531     { "f30", offsetof(CPUState, fpr[30]) },
1532     { "f31", offsetof(CPUState, fpr[31]) },
1533 #ifdef TARGET_SPARC64
1534     { "f32", offsetof(CPUState, fpr[32]) },
1535     { "f34", offsetof(CPUState, fpr[34]) },
1536     { "f36", offsetof(CPUState, fpr[36]) },
1537     { "f38", offsetof(CPUState, fpr[38]) },
1538     { "f40", offsetof(CPUState, fpr[40]) },
1539     { "f42", offsetof(CPUState, fpr[42]) },
1540     { "f44", offsetof(CPUState, fpr[44]) },
1541     { "f46", offsetof(CPUState, fpr[46]) },
1542     { "f48", offsetof(CPUState, fpr[48]) },
1543     { "f50", offsetof(CPUState, fpr[50]) },
1544     { "f52", offsetof(CPUState, fpr[52]) },
1545     { "f54", offsetof(CPUState, fpr[54]) },
1546     { "f56", offsetof(CPUState, fpr[56]) },
1547     { "f58", offsetof(CPUState, fpr[58]) },
1548     { "f60", offsetof(CPUState, fpr[60]) },
1549     { "f62", offsetof(CPUState, fpr[62]) },
1550     { "asi", offsetof(CPUState, asi) },
1551     { "pstate", offsetof(CPUState, pstate) },
1552     { "cansave", offsetof(CPUState, cansave) },
1553     { "canrestore", offsetof(CPUState, canrestore) },
1554     { "otherwin", offsetof(CPUState, otherwin) },
1555     { "wstate", offsetof(CPUState, wstate) },
1556     { "cleanwin", offsetof(CPUState, cleanwin) },
1557     { "fprs", offsetof(CPUState, fprs) },
1558 #endif
1559 #endif
1560     { NULL },
1561 };
1562
1563 static void expr_error(const char *fmt)
1564 {
1565     term_printf(fmt);
1566     term_printf("\n");
1567     longjmp(expr_env, 1);
1568 }
1569
1570 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1571 static int get_monitor_def(target_long *pval, const char *name)
1572 {
1573     MonitorDef *md;
1574     void *ptr;
1575
1576     for(md = monitor_defs; md->name != NULL; md++) {
1577         if (compare_cmd(name, md->name)) {
1578             if (md->get_value) {
1579                 *pval = md->get_value(md, md->offset);
1580             } else {
1581                 CPUState *env = mon_get_cpu();
1582                 if (!env)
1583                     return -2;
1584                 ptr = (uint8_t *)env + md->offset;
1585                 switch(md->type) {
1586                 case MD_I32:
1587                     *pval = *(int32_t *)ptr;
1588                     break;
1589                 case MD_TLONG:
1590                     *pval = *(target_long *)ptr;
1591                     break;
1592                 default:
1593                     *pval = 0;
1594                     break;
1595                 }
1596             }
1597             return 0;
1598         }
1599     }
1600     return -1;
1601 }
1602
1603 static void next(void)
1604 {
1605     if (pch != '\0') {
1606         pch++;
1607         while (isspace(*pch))
1608             pch++;
1609     }
1610 }
1611
1612 static target_long expr_sum(void);
1613
1614 static target_long expr_unary(void)
1615 {
1616     target_long n;
1617     char *p;
1618     int ret;
1619
1620     switch(*pch) {
1621     case '+':
1622         next();
1623         n = expr_unary();
1624         break;
1625     case '-':
1626         next();
1627         n = -expr_unary();
1628         break;
1629     case '~':
1630         next();
1631         n = ~expr_unary();
1632         break;
1633     case '(':
1634         next();
1635         n = expr_sum();
1636         if (*pch != ')') {
1637             expr_error("')' expected");
1638         }
1639         next();
1640         break;
1641     case '\'':
1642         pch++;
1643         if (*pch == '\0')
1644             expr_error("character constant expected");
1645         n = *pch;
1646         pch++;
1647         if (*pch != '\'')
1648             expr_error("missing terminating \' character");
1649         next();
1650         break;
1651     case '$':
1652         {
1653             char buf[128], *q;
1654
1655             pch++;
1656             q = buf;
1657             while ((*pch >= 'a' && *pch <= 'z') ||
1658                    (*pch >= 'A' && *pch <= 'Z') ||
1659                    (*pch >= '0' && *pch <= '9') ||
1660                    *pch == '_' || *pch == '.') {
1661                 if ((q - buf) < sizeof(buf) - 1)
1662                     *q++ = *pch;
1663                 pch++;
1664             }
1665             while (isspace(*pch))
1666                 pch++;
1667             *q = 0;
1668             ret = get_monitor_def(&n, buf);
1669             if (ret == -1)
1670                 expr_error("unknown register");
1671             else if (ret == -2)
1672                 expr_error("no cpu defined");
1673         }
1674         break;
1675     case '\0':
1676         expr_error("unexpected end of expression");
1677         n = 0;
1678         break;
1679     default:
1680 #if TARGET_LONG_BITS == 64
1681         n = strtoull(pch, &p, 0);
1682 #else
1683         n = strtoul(pch, &p, 0);
1684 #endif
1685         if (pch == p) {
1686             expr_error("invalid char in expression");
1687         }
1688         pch = p;
1689         while (isspace(*pch))
1690             pch++;
1691         break;
1692     }
1693     return n;
1694 }
1695
1696
1697 static target_long expr_prod(void)
1698 {
1699     target_long val, val2;
1700     int op;
1701
1702     val = expr_unary();
1703     for(;;) {
1704         op = *pch;
1705         if (op != '*' && op != '/' && op != '%')
1706             break;
1707         next();
1708         val2 = expr_unary();
1709         switch(op) {
1710         default:
1711         case '*':
1712             val *= val2;
1713             break;
1714         case '/':
1715         case '%':
1716             if (val2 == 0)
1717                 expr_error("division by zero");
1718             if (op == '/')
1719                 val /= val2;
1720             else
1721                 val %= val2;
1722             break;
1723         }
1724     }
1725     return val;
1726 }
1727
1728 static target_long expr_logic(void)
1729 {
1730     target_long val, val2;
1731     int op;
1732
1733     val = expr_prod();
1734     for(;;) {
1735         op = *pch;
1736         if (op != '&' && op != '|' && op != '^')
1737             break;
1738         next();
1739         val2 = expr_prod();
1740         switch(op) {
1741         default:
1742         case '&':
1743             val &= val2;
1744             break;
1745         case '|':
1746             val |= val2;
1747             break;
1748         case '^':
1749             val ^= val2;
1750             break;
1751         }
1752     }
1753     return val;
1754 }
1755
1756 static target_long expr_sum(void)
1757 {
1758     target_long val, val2;
1759     int op;
1760
1761     val = expr_logic();
1762     for(;;) {
1763         op = *pch;
1764         if (op != '+' && op != '-')
1765             break;
1766         next();
1767         val2 = expr_logic();
1768         if (op == '+')
1769             val += val2;
1770         else
1771             val -= val2;
1772     }
1773     return val;
1774 }
1775
1776 static int get_expr(target_long *pval, const char **pp)
1777 {
1778     pch = *pp;
1779     if (setjmp(expr_env)) {
1780         *pp = pch;
1781         return -1;
1782     }
1783     while (isspace(*pch))
1784         pch++;
1785     *pval = expr_sum();
1786     *pp = pch;
1787     return 0;
1788 }
1789
1790 static int get_str(char *buf, int buf_size, const char **pp)
1791 {
1792     const char *p;
1793     char *q;
1794     int c;
1795
1796     q = buf;
1797     p = *pp;
1798     while (isspace(*p))
1799         p++;
1800     if (*p == '\0') {
1801     fail:
1802         *q = '\0';
1803         *pp = p;
1804         return -1;
1805     }
1806     if (*p == '\"') {
1807         p++;
1808         while (*p != '\0' && *p != '\"') {
1809             if (*p == '\\') {
1810                 p++;
1811                 c = *p++;
1812                 switch(c) {
1813                 case 'n':
1814                     c = '\n';
1815                     break;
1816                 case 'r':
1817                     c = '\r';
1818                     break;
1819                 case '\\':
1820                 case '\'':
1821                 case '\"':
1822                     break;
1823                 default:
1824                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1825                     goto fail;
1826                 }
1827                 if ((q - buf) < buf_size - 1) {
1828                     *q++ = c;
1829                 }
1830             } else {
1831                 if ((q - buf) < buf_size - 1) {
1832                     *q++ = *p;
1833                 }
1834                 p++;
1835             }
1836         }
1837         if (*p != '\"') {
1838             qemu_printf("unterminated string\n");
1839             goto fail;
1840         }
1841         p++;
1842     } else {
1843         while (*p != '\0' && !isspace(*p)) {
1844             if ((q - buf) < buf_size - 1) {
1845                 *q++ = *p;
1846             }
1847             p++;
1848         }
1849     }
1850     *q = '\0';
1851     *pp = p;
1852     return 0;
1853 }
1854
1855 static int default_fmt_format = 'x';
1856 static int default_fmt_size = 4;
1857
1858 #define MAX_ARGS 16
1859
1860 static void monitor_handle_command(const char *cmdline)
1861 {
1862     const char *p, *pstart, *typestr;
1863     char *q;
1864     int c, nb_args, len, i, has_arg;
1865     term_cmd_t *cmd;
1866     char cmdname[256];
1867     char buf[1024];
1868     void *str_allocated[MAX_ARGS];
1869     void *args[MAX_ARGS];
1870
1871 #ifdef DEBUG
1872     term_printf("command='%s'\n", cmdline);
1873 #endif
1874
1875     /* extract the command name */
1876     p = cmdline;
1877     q = cmdname;
1878     while (isspace(*p))
1879         p++;
1880     if (*p == '\0')
1881         return;
1882     pstart = p;
1883     while (*p != '\0' && *p != '/' && !isspace(*p))
1884         p++;
1885     len = p - pstart;
1886     if (len > sizeof(cmdname) - 1)
1887         len = sizeof(cmdname) - 1;
1888     memcpy(cmdname, pstart, len);
1889     cmdname[len] = '\0';
1890
1891     /* find the command */
1892     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1893         if (compare_cmd(cmdname, cmd->name))
1894             goto found;
1895     }
1896     term_printf("unknown command: '%s'\n", cmdname);
1897     return;
1898  found:
1899
1900     for(i = 0; i < MAX_ARGS; i++)
1901         str_allocated[i] = NULL;
1902
1903     /* parse the parameters */
1904     typestr = cmd->args_type;
1905     nb_args = 0;
1906     for(;;) {
1907         c = *typestr;
1908         if (c == '\0')
1909             break;
1910         typestr++;
1911         switch(c) {
1912         case 'F':
1913         case 'B':
1914         case 's':
1915             {
1916                 int ret;
1917                 char *str;
1918
1919                 while (isspace(*p))
1920                     p++;
1921                 if (*typestr == '?') {
1922                     typestr++;
1923                     if (*p == '\0') {
1924                         /* no optional string: NULL argument */
1925                         str = NULL;
1926                         goto add_str;
1927                     }
1928                 }
1929                 ret = get_str(buf, sizeof(buf), &p);
1930                 if (ret < 0) {
1931                     switch(c) {
1932                     case 'F':
1933                         term_printf("%s: filename expected\n", cmdname);
1934                         break;
1935                     case 'B':
1936                         term_printf("%s: block device name expected\n", cmdname);
1937                         break;
1938                     default:
1939                         term_printf("%s: string expected\n", cmdname);
1940                         break;
1941                     }
1942                     goto fail;
1943                 }
1944                 str = qemu_malloc(strlen(buf) + 1);
1945                 strcpy(str, buf);
1946                 str_allocated[nb_args] = str;
1947             add_str:
1948                 if (nb_args >= MAX_ARGS) {
1949                 error_args:
1950                     term_printf("%s: too many arguments\n", cmdname);
1951                     goto fail;
1952                 }
1953                 args[nb_args++] = str;
1954             }
1955             break;
1956         case '/':
1957             {
1958                 int count, format, size;
1959
1960                 while (isspace(*p))
1961                     p++;
1962                 if (*p == '/') {
1963                     /* format found */
1964                     p++;
1965                     count = 1;
1966                     if (isdigit(*p)) {
1967                         count = 0;
1968                         while (isdigit(*p)) {
1969                             count = count * 10 + (*p - '0');
1970                             p++;
1971                         }
1972                     }
1973                     size = -1;
1974                     format = -1;
1975                     for(;;) {
1976                         switch(*p) {
1977                         case 'o':
1978                         case 'd':
1979                         case 'u':
1980                         case 'x':
1981                         case 'i':
1982                         case 'c':
1983                             format = *p++;
1984                             break;
1985                         case 'b':
1986                             size = 1;
1987                             p++;
1988                             break;
1989                         case 'h':
1990                             size = 2;
1991                             p++;
1992                             break;
1993                         case 'w':
1994                             size = 4;
1995                             p++;
1996                             break;
1997                         case 'g':
1998                         case 'L':
1999                             size = 8;
2000                             p++;
2001                             break;
2002                         default:
2003                             goto next;
2004                         }
2005                     }
2006                 next:
2007                     if (*p != '\0' && !isspace(*p)) {
2008                         term_printf("invalid char in format: '%c'\n", *p);
2009                         goto fail;
2010                     }
2011                     if (format < 0)
2012                         format = default_fmt_format;
2013                     if (format != 'i') {
2014                         /* for 'i', not specifying a size gives -1 as size */
2015                         if (size < 0)
2016                             size = default_fmt_size;
2017                     }
2018                     default_fmt_size = size;
2019                     default_fmt_format = format;
2020                 } else {
2021                     count = 1;
2022                     format = default_fmt_format;
2023                     if (format != 'i') {
2024                         size = default_fmt_size;
2025                     } else {
2026                         size = -1;
2027                     }
2028                 }
2029                 if (nb_args + 3 > MAX_ARGS)
2030                     goto error_args;
2031                 args[nb_args++] = (void*)count;
2032                 args[nb_args++] = (void*)format;
2033                 args[nb_args++] = (void*)size;
2034             }
2035             break;
2036         case 'i':
2037         case 'l':
2038             {
2039                 target_long val;
2040                 while (isspace(*p))
2041                     p++;
2042                 if (*typestr == '?' || *typestr == '.') {
2043                     if (*typestr == '?') {
2044                         if (*p == '\0')
2045                             has_arg = 0;
2046                         else
2047                             has_arg = 1;
2048                     } else {
2049                         if (*p == '.') {
2050                             p++;
2051                             while (isspace(*p))
2052                                 p++;
2053                             has_arg = 1;
2054                         } else {
2055                             has_arg = 0;
2056                         }
2057                     }
2058                     typestr++;
2059                     if (nb_args >= MAX_ARGS)
2060                         goto error_args;
2061                     args[nb_args++] = (void *)has_arg;
2062                     if (!has_arg) {
2063                         if (nb_args >= MAX_ARGS)
2064                             goto error_args;
2065                         val = -1;
2066                         goto add_num;
2067                     }
2068                 }
2069                 if (get_expr(&val, &p))
2070                     goto fail;
2071             add_num:
2072                 if (c == 'i') {
2073                     if (nb_args >= MAX_ARGS)
2074                         goto error_args;
2075                     args[nb_args++] = (void *)(int)val;
2076                 } else {
2077                     if ((nb_args + 1) >= MAX_ARGS)
2078                         goto error_args;
2079 #if TARGET_LONG_BITS == 64
2080                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2081 #else
2082                     args[nb_args++] = (void *)0;
2083 #endif
2084                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2085                 }
2086             }
2087             break;
2088         case '-':
2089             {
2090                 int has_option;
2091                 /* option */
2092
2093                 c = *typestr++;
2094                 if (c == '\0')
2095                     goto bad_type;
2096                 while (isspace(*p))
2097                     p++;
2098                 has_option = 0;
2099                 if (*p == '-') {
2100                     p++;
2101                     if (*p != c) {
2102                         term_printf("%s: unsupported option -%c\n",
2103                                     cmdname, *p);
2104                         goto fail;
2105                     }
2106                     p++;
2107                     has_option = 1;
2108                 }
2109                 if (nb_args >= MAX_ARGS)
2110                     goto error_args;
2111                 args[nb_args++] = (void *)has_option;
2112             }
2113             break;
2114         default:
2115         bad_type:
2116             term_printf("%s: unknown type '%c'\n", cmdname, c);
2117             goto fail;
2118         }
2119     }
2120     /* check that all arguments were parsed */
2121     while (isspace(*p))
2122         p++;
2123     if (*p != '\0') {
2124         term_printf("%s: extraneous characters at the end of line\n",
2125                     cmdname);
2126         goto fail;
2127     }
2128
2129     switch(nb_args) {
2130     case 0:
2131         cmd->handler();
2132         break;
2133     case 1:
2134         cmd->handler(args[0]);
2135         break;
2136     case 2:
2137         cmd->handler(args[0], args[1]);
2138         break;
2139     case 3:
2140         cmd->handler(args[0], args[1], args[2]);
2141         break;
2142     case 4:
2143         cmd->handler(args[0], args[1], args[2], args[3]);
2144         break;
2145     case 5:
2146         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2147         break;
2148     case 6:
2149         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2150         break;
2151     case 7:
2152         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2153         break;
2154     default:
2155         term_printf("unsupported number of arguments: %d\n", nb_args);
2156         goto fail;
2157     }
2158  fail:
2159     for(i = 0; i < MAX_ARGS; i++)
2160         qemu_free(str_allocated[i]);
2161     return;
2162 }
2163
2164 static void cmd_completion(const char *name, const char *list)
2165 {
2166     const char *p, *pstart;
2167     char cmd[128];
2168     int len;
2169
2170     p = list;
2171     for(;;) {
2172         pstart = p;
2173         p = strchr(p, '|');
2174         if (!p)
2175             p = pstart + strlen(pstart);
2176         len = p - pstart;
2177         if (len > sizeof(cmd) - 2)
2178             len = sizeof(cmd) - 2;
2179         memcpy(cmd, pstart, len);
2180         cmd[len] = '\0';
2181         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2182             add_completion(cmd);
2183         }
2184         if (*p == '\0')
2185             break;
2186         p++;
2187     }
2188 }
2189
2190 static void file_completion(const char *input)
2191 {
2192     DIR *ffs;
2193     struct dirent *d;
2194     char path[1024];
2195     char file[1024], file_prefix[1024];
2196     int input_path_len;
2197     const char *p;
2198
2199     p = strrchr(input, '/');
2200     if (!p) {
2201         input_path_len = 0;
2202         pstrcpy(file_prefix, sizeof(file_prefix), input);
2203         strcpy(path, ".");
2204     } else {
2205         input_path_len = p - input + 1;
2206         memcpy(path, input, input_path_len);
2207         if (input_path_len > sizeof(path) - 1)
2208             input_path_len = sizeof(path) - 1;
2209         path[input_path_len] = '\0';
2210         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2211     }
2212 #ifdef DEBUG_COMPLETION
2213     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2214 #endif
2215     ffs = opendir(path);
2216     if (!ffs)
2217         return;
2218     for(;;) {
2219         struct stat sb;
2220         d = readdir(ffs);
2221         if (!d)
2222             break;
2223         if (strstart(d->d_name, file_prefix, NULL)) {
2224             memcpy(file, input, input_path_len);
2225             strcpy(file + input_path_len, d->d_name);
2226             /* stat the file to find out if it's a directory.
2227              * In that case add a slash to speed up typing long paths
2228              */
2229             stat(file, &sb);
2230             if(S_ISDIR(sb.st_mode))
2231                 strcat(file, "/");
2232             add_completion(file);
2233         }
2234     }
2235     closedir(ffs);
2236 }
2237
2238 static void block_completion_it(void *opaque, const char *name)
2239 {
2240     const char *input = opaque;
2241
2242     if (input[0] == '\0' ||
2243         !strncmp(name, (char *)input, strlen(input))) {
2244         add_completion(name);
2245     }
2246 }
2247
2248 /* NOTE: this parser is an approximate form of the real command parser */
2249 static void parse_cmdline(const char *cmdline,
2250                          int *pnb_args, char **args)
2251 {
2252     const char *p;
2253     int nb_args, ret;
2254     char buf[1024];
2255
2256     p = cmdline;
2257     nb_args = 0;
2258     for(;;) {
2259         while (isspace(*p))
2260             p++;
2261         if (*p == '\0')
2262             break;
2263         if (nb_args >= MAX_ARGS)
2264             break;
2265         ret = get_str(buf, sizeof(buf), &p);
2266         args[nb_args] = qemu_strdup(buf);
2267         nb_args++;
2268         if (ret < 0)
2269             break;
2270     }
2271     *pnb_args = nb_args;
2272 }
2273
2274 void readline_find_completion(const char *cmdline)
2275 {
2276     const char *cmdname;
2277     char *args[MAX_ARGS];
2278     int nb_args, i, len;
2279     const char *ptype, *str;
2280     term_cmd_t *cmd;
2281     const KeyDef *key;
2282
2283     parse_cmdline(cmdline, &nb_args, args);
2284 #ifdef DEBUG_COMPLETION
2285     for(i = 0; i < nb_args; i++) {
2286         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2287     }
2288 #endif
2289
2290     /* if the line ends with a space, it means we want to complete the
2291        next arg */
2292     len = strlen(cmdline);
2293     if (len > 0 && isspace(cmdline[len - 1])) {
2294         if (nb_args >= MAX_ARGS)
2295             return;
2296         args[nb_args++] = qemu_strdup("");
2297     }
2298     if (nb_args <= 1) {
2299         /* command completion */
2300         if (nb_args == 0)
2301             cmdname = "";
2302         else
2303             cmdname = args[0];
2304         completion_index = strlen(cmdname);
2305         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2306             cmd_completion(cmdname, cmd->name);
2307         }
2308     } else {
2309         /* find the command */
2310         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2311             if (compare_cmd(args[0], cmd->name))
2312                 goto found;
2313         }
2314         return;
2315     found:
2316         ptype = cmd->args_type;
2317         for(i = 0; i < nb_args - 2; i++) {
2318             if (*ptype != '\0') {
2319                 ptype++;
2320                 while (*ptype == '?')
2321                     ptype++;
2322             }
2323         }
2324         str = args[nb_args - 1];
2325         switch(*ptype) {
2326         case 'F':
2327             /* file completion */
2328             completion_index = strlen(str);
2329             file_completion(str);
2330             break;
2331         case 'B':
2332             /* block device name completion */
2333             completion_index = strlen(str);
2334             bdrv_iterate(block_completion_it, (void *)str);
2335             break;
2336         case 's':
2337             /* XXX: more generic ? */
2338             if (!strcmp(cmd->name, "info")) {
2339                 completion_index = strlen(str);
2340                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2341                     cmd_completion(str, cmd->name);
2342                 }
2343             } else if (!strcmp(cmd->name, "sendkey")) {
2344                 completion_index = strlen(str);
2345                 for(key = key_defs; key->name != NULL; key++) {
2346                     cmd_completion(str, key->name);
2347                 }
2348             }
2349             break;
2350         default:
2351             break;
2352         }
2353     }
2354     for(i = 0; i < nb_args; i++)
2355         qemu_free(args[i]);
2356 }
2357
2358 static int term_can_read(void *opaque)
2359 {
2360     return 128;
2361 }
2362
2363 static void term_read(void *opaque, const uint8_t *buf, int size)
2364 {
2365     int i;
2366     for(i = 0; i < size; i++)
2367         readline_handle_byte(buf[i]);
2368 }
2369
2370 static void monitor_start_input(void);
2371
2372 static void monitor_handle_command1(void *opaque, const char *cmdline)
2373 {
2374     monitor_handle_command(cmdline);
2375     monitor_start_input();
2376 }
2377
2378 static void monitor_start_input(void)
2379 {
2380     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2381 }
2382
2383 void monitor_init(CharDriverState *hd, int show_banner)
2384 {
2385     monitor_hd = hd;
2386     if (show_banner) {
2387         term_printf("QEMU %s monitor - type 'help' for more information\n",
2388                     QEMU_VERSION);
2389     }
2390     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2391     monitor_start_input();
2392 }
2393
2394 /* XXX: use threads ? */
2395 /* modal monitor readline */
2396 static int monitor_readline_started;
2397 static char *monitor_readline_buf;
2398 static int monitor_readline_buf_size;
2399
2400 static void monitor_readline_cb(void *opaque, const char *input)
2401 {
2402     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2403     monitor_readline_started = 0;
2404 }
2405
2406 void monitor_readline(const char *prompt, int is_password,
2407                       char *buf, int buf_size)
2408 {
2409     if (is_password) {
2410         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2411     }
2412     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2413     monitor_readline_buf = buf;
2414     monitor_readline_buf_size = buf_size;
2415     monitor_readline_started = 1;
2416     while (monitor_readline_started) {
2417         main_loop_wait(10);
2418     }
2419 }