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