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     { 0x0e, "backspace" },
 670
 671     { 0x0f, "tab" },
 672     { 0x10, "q" },
 673     { 0x11, "w" },
 674     { 0x12, "e" },
 675     { 0x13, "r" },
 676     { 0x14, "t" },
 677     { 0x15, "y" },
 678     { 0x16, "u" },
 679     { 0x17, "i" },
 680     { 0x18, "o" },
 681     { 0x19, "p" },
 682
 683     { 0x1c, "ret" },
 684
 685     { 0x1e, "a" },
 686     { 0x1f, "s" },
 687     { 0x20, "d" },
 688     { 0x21, "f" },
 689     { 0x22, "g" },
 690     { 0x23, "h" },
 691     { 0x24, "j" },
 692     { 0x25, "k" },
 693     { 0x26, "l" },
 694
 695     { 0x2c, "z" },
 696     { 0x2d, "x" },
 697     { 0x2e, "c" },
 698     { 0x2f, "v" },
 699     { 0x30, "b" },
 700     { 0x31, "n" },
 701     { 0x32, "m" },
 702
 703     { 0x39, "spc" },
 704     { 0x3a, "caps_lock" },
 705     { 0x3b, "f1" },
 706     { 0x3c, "f2" },
 707     { 0x3d, "f3" },
 708     { 0x3e, "f4" },
 709     { 0x3f, "f5" },
 710     { 0x40, "f6" },
 711     { 0x41, "f7" },
 712     { 0x42, "f8" },
 713     { 0x43, "f9" },
 714     { 0x44, "f10" },
 715     { 0x45, "num_lock" },
 716     { 0x46, "scroll_lock" },
 717
 718     { 0x56, "<" },
 719
 720     { 0x57, "f11" },
 721     { 0x58, "f12" },
 722
 723     { 0xb7, "print" },
 724
 725     { 0xc7, "home" },
 726     { 0xc9, "pgup" },
 727     { 0xd1, "pgdn" },
 728     { 0xcf, "end" },
 729
 730     { 0xcb, "left" },
 731     { 0xc8, "up" },
 732     { 0xd0, "down" },
 733     { 0xcd, "right" },
 734
 735     { 0xd2, "insert" },
 736     { 0xd3, "delete" },
 737     { 0, NULL },
 738 };
 739
 740 static int get_keycode(const char *key)
 741 {
 742     const KeyDef *p;
 743
 744     for(p = key_defs; p->name != NULL; p++) {
 745         if (!strcmp(key, p->name))
 746             return p->keycode;
 747     }
 748     return -1;
 749 }
 750
 751 static void do_send_key(const char *string)
 752 {
 753     char keybuf[16], *q;
 754     uint8_t keycodes[16];
 755     const char *p;
 756     int nb_keycodes, keycode, i;
 757
 758     nb_keycodes = 0;
 759     p = string;
 760     while (*p != '\0') {
 761         q = keybuf;
 762         while (*p != '\0' && *p != '-') {
 763             if ((q - keybuf) < sizeof(keybuf) - 1) {
 764                 *q++ = *p;
 765             }
 766             p++;
 767         }
 768         *q = '\0';
 769         keycode = get_keycode(keybuf);
 770         if (keycode < 0) {
 771             term_printf("unknown key: '%s'\n", keybuf);
 772             return;
 773         }
 774         keycodes[nb_keycodes++] = keycode;
 775         if (*p == '\0')
 776             break;
 777         p++;
 778     }
 779     /* key down events */
 780     for(i = 0; i < nb_keycodes; i++) {
 781         keycode = keycodes[i];
 782         if (keycode & 0x80)
 783             kbd_put_keycode(0xe0);
 784         kbd_put_keycode(keycode & 0x7f);
 785     }
 786     /* key up events */
 787     for(i = nb_keycodes - 1; i >= 0; i--) {
 788         keycode = keycodes[i];
 789         if (keycode & 0x80)
 790             kbd_put_keycode(0xe0);
 791         kbd_put_keycode(keycode | 0x80);
 792     }
 793 }
 794
 795 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 796 {
 797     uint32_t val;
 798     int suffix;
 799
 800     if (has_index) {
 801         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 802         addr++;
 803     }
 804     addr &= 0xffff;
 805
 806     switch(size) {
 807     default:
 808     case 1:
 809         val = cpu_inb(NULL, addr);
 810         suffix = 'b';
 811         break;
 812     case 2:
 813         val = cpu_inw(NULL, addr);
 814         suffix = 'w';
 815         break;
 816     case 4:
 817         val = cpu_inl(NULL, addr);
 818         suffix = 'l';
 819         break;
 820     }
 821     term_printf("port%c[0x%04x] = %#0*x\n",
 822                 suffix, addr, size * 2, val);
 823 }
 824
 825 static void do_system_reset(void)
 826 {
 827     qemu_system_reset_request();
 828 }
 829
 830 static void do_system_powerdown(void)
 831 {
 832     qemu_system_powerdown_request();
 833 }
 834
 835 #if defined(TARGET_I386)
 836 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 837 {
 838     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 839                 addr,
 840                 pte & mask,
 841                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 842                 pte & PG_PSE_MASK ? 'P' : '-',
 843                 pte & PG_DIRTY_MASK ? 'D' : '-',
 844                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 845                 pte & PG_PCD_MASK ? 'C' : '-',
 846                 pte & PG_PWT_MASK ? 'T' : '-',
 847                 pte & PG_USER_MASK ? 'U' : '-',
 848                 pte & PG_RW_MASK ? 'W' : '-');
 849 }
 850
 851 static void tlb_info(void)
 852 {
 853     CPUState *env;
 854     int l1, l2;
 855     uint32_t pgd, pde, pte;
 856
 857     env = mon_get_cpu();
 858     if (!env)
 859         return;
 860
 861     if (!(env->cr[0] & CR0_PG_MASK)) {
 862         term_printf("PG disabled\n");
 863         return;
 864     }
 865     pgd = env->cr[3] & ~0xfff;
 866     for(l1 = 0; l1 < 1024; l1++) {
 867         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 868         pde = le32_to_cpu(pde);
 869         if (pde & PG_PRESENT_MASK) {
 870             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 871                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 872             } else {
 873                 for(l2 = 0; l2 < 1024; l2++) {
 874                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 875                                              (uint8_t *)&pte, 4);
 876                     pte = le32_to_cpu(pte);
 877                     if (pte & PG_PRESENT_MASK) {
 878                         print_pte((l1 << 22) + (l2 << 12),
 879                                   pte & ~PG_PSE_MASK,
 880                                   ~0xfff);
 881                     }
 882                 }
 883             }
 884         }
 885     }
 886 }
 887
 888 static void mem_print(uint32_t *pstart, int *plast_prot,
 889                       uint32_t end, int prot)
 890 {
 891     int prot1;
 892     prot1 = *plast_prot;
 893     if (prot != prot1) {
 894         if (*pstart != -1) {
 895             term_printf("%08x-%08x %08x %c%c%c\n",
 896                         *pstart, end, end - *pstart,
 897                         prot1 & PG_USER_MASK ? 'u' : '-',
 898                         'r',
 899                         prot1 & PG_RW_MASK ? 'w' : '-');
 900         }
 901         if (prot != 0)
 902             *pstart = end;
 903         else
 904             *pstart = -1;
 905         *plast_prot = prot;
 906     }
 907 }
 908
 909 static void mem_info(void)
 910 {
 911     CPUState *env;
 912     int l1, l2, prot, last_prot;
 913     uint32_t pgd, pde, pte, start, end;
 914
 915     env = mon_get_cpu();
 916     if (!env)
 917         return;
 918
 919     if (!(env->cr[0] & CR0_PG_MASK)) {
 920         term_printf("PG disabled\n");
 921         return;
 922     }
 923     pgd = env->cr[3] & ~0xfff;
 924     last_prot = 0;
 925     start = -1;
 926     for(l1 = 0; l1 < 1024; l1++) {
 927         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 928         pde = le32_to_cpu(pde);
 929         end = l1 << 22;
 930         if (pde & PG_PRESENT_MASK) {
 931             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 932                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 933                 mem_print(&start, &last_prot, end, prot);
 934             } else {
 935                 for(l2 = 0; l2 < 1024; l2++) {
 936                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 937                                              (uint8_t *)&pte, 4);
 938                     pte = le32_to_cpu(pte);
 939                     end = (l1 << 22) + (l2 << 12);
 940                     if (pte & PG_PRESENT_MASK) {
 941                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 942                     } else {
 943                         prot = 0;
 944                     }
 945                     mem_print(&start, &last_prot, end, prot);
 946                 }
 947             }
 948         } else {
 949             prot = 0;
 950             mem_print(&start, &last_prot, end, prot);
 951         }
 952     }
 953 }
 954 #endif
 955
 956 static void do_info_kqemu(void)
 957 {
 958 #ifdef USE_KQEMU
 959     CPUState *env;
 960     int val;
 961     val = 0;
 962     env = mon_get_cpu();
 963     if (!env) {
 964         term_printf("No cpu initialized yet");
 965         return;
 966     }
 967     val = env->kqemu_enabled;
 968     term_printf("kqemu support: ");
 969     switch(val) {
 970     default:
 971     case 0:
 972         term_printf("disabled\n");
 973         break;
 974     case 1:
 975         term_printf("enabled for user code\n");
 976         break;
 977     case 2:
 978         term_printf("enabled for user and kernel code\n");
 979         break;
 980     }
 981 #else
 982     term_printf("kqemu support: not compiled\n");
 983 #endif
 984 }
 985
 986 #ifdef CONFIG_PROFILER
 987
 988 int64_t kqemu_time;
 989 int64_t qemu_time;
 990 int64_t kqemu_exec_count;
 991 int64_t dev_time;
 992 int64_t kqemu_ret_int_count;
 993 int64_t kqemu_ret_excp_count;
 994 int64_t kqemu_ret_intr_count;
 995
 996 static void do_info_profile(void)
 997 {
 998     int64_t total;
 999     total = qemu_time;
1000     if (total == 0)
1001         total = 1;
1002     term_printf("async time  %lld (%0.3f)\n",
1003                 dev_time, dev_time / (double)ticks_per_sec);
1004     term_printf("qemu time   %lld (%0.3f)\n",
1005                 qemu_time, qemu_time / (double)ticks_per_sec);
1006     term_printf("kqemu time  %lld (%0.3f %0.1f%%) count=%lld int=%lld excp=%lld intr=%lld\n",
1007                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1008                 kqemu_time / (double)total * 100.0,
1009                 kqemu_exec_count,
1010                 kqemu_ret_int_count,
1011                 kqemu_ret_excp_count,
1012                 kqemu_ret_intr_count);
1013     qemu_time = 0;
1014     kqemu_time = 0;
1015     kqemu_exec_count = 0;
1016     dev_time = 0;
1017     kqemu_ret_int_count = 0;
1018     kqemu_ret_excp_count = 0;
1019     kqemu_ret_intr_count = 0;
1020 #ifdef USE_KQEMU
1021     kqemu_record_dump();
1022 #endif
1023 }
1024 #else
1025 static void do_info_profile(void)
1026 {
1027     term_printf("Internal profiler not compiled\n");
1028 }
1029 #endif
1030
1031 static term_cmd_t term_cmds[] = {
1032     { "help|?", "s?", do_help,
1033       "[cmd]", "show the help" },
1034     { "commit", "", do_commit,
1035       "", "commit changes to the disk images (if -snapshot is used)" },
1036     { "info", "s?", do_info,
1037       "subcommand", "show various information about the system state" },
1038     { "q|quit", "", do_quit,
1039       "", "quit the emulator" },
1040     { "eject", "-fB", do_eject,
1041       "[-f] device", "eject a removable media (use -f to force it)" },
1042     { "change", "BF", do_change,
1043       "device filename", "change a removable media" },
1044     { "screendump", "F", do_screen_dump,
1045       "filename", "save screen into PPM image 'filename'" },
1046     { "log", "s", do_log,
1047       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1048     { "savevm", "F", do_savevm,
1049       "filename", "save the whole virtual machine state to 'filename'" },
1050     { "loadvm", "F", do_loadvm,
1051       "filename", "restore the whole virtual machine state from 'filename'" },
1052     { "stop", "", do_stop,
1053       "", "stop emulation", },
1054     { "c|cont", "", do_cont,
1055       "", "resume emulation", },
1056 #ifdef CONFIG_GDBSTUB
1057     { "gdbserver", "i?", do_gdbserver,
1058       "[port]", "start gdbserver session (default port=1234)", },
1059 #endif
1060     { "x", "/l", do_memory_dump,
1061       "/fmt addr", "virtual memory dump starting at 'addr'", },
1062     { "xp", "/l", do_physical_memory_dump,
1063       "/fmt addr", "physical memory dump starting at 'addr'", },
1064     { "p|print", "/l", do_print,
1065       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1066     { "i", "/ii.", do_ioport_read,
1067       "/fmt addr", "I/O port read" },
1068
1069     { "sendkey", "s", do_send_key,
1070       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1071     { "system_reset", "", do_system_reset,
1072       "", "reset the system" },
1073     { "system_powerdown", "", do_system_powerdown,
1074       "", "send system power down event" },
1075     { "sum", "ii", do_sum,
1076       "addr size", "compute the checksum of a memory region" },
1077     { "usb_add", "s", do_usb_add,
1078       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1079     { "usb_del", "s", do_usb_del,
1080       "device", "remove USB device 'bus.addr'" },
1081     { "cpu", "i", do_cpu_set,
1082       "index", "set the default CPU" },
1083     { NULL, NULL, },
1084 };
1085
1086 static term_cmd_t info_cmds[] = {
1087     { "version", "", do_info_version,
1088       "", "show the version of qemu" },
1089     { "network", "", do_info_network,
1090       "", "show the network state" },
1091     { "block", "", do_info_block,
1092       "", "show the block devices" },
1093     { "registers", "", do_info_registers,
1094       "", "show the cpu registers" },
1095     { "cpus", "", do_info_cpus,
1096       "", "show infos for each CPU" },
1097     { "history", "", do_info_history,
1098       "", "show the command line history", },
1099     { "irq", "", irq_info,
1100       "", "show the interrupts statistics (if available)", },
1101     { "pic", "", pic_info,
1102       "", "show i8259 (PIC) state", },
1103     { "pci", "", pci_info,
1104       "", "show PCI info", },
1105 #if defined(TARGET_I386)
1106     { "tlb", "", tlb_info,
1107       "", "show virtual to physical memory mappings", },
1108     { "mem", "", mem_info,
1109       "", "show the active virtual memory mappings", },
1110 #endif
1111     { "jit", "", do_info_jit,
1112       "", "show dynamic compiler info", },
1113     { "kqemu", "", do_info_kqemu,
1114       "", "show kqemu information", },
1115     { "usb", "", usb_info,
1116       "", "show guest USB devices", },
1117     { "usbhost", "", usb_host_info,
1118       "", "show host USB devices", },
1119     { "profile", "", do_info_profile,
1120       "", "show profiling information", },
1121     { NULL, NULL, },
1122 };
1123
1124 /*******************************************************************/
1125
1126 static const char *pch;
1127 static jmp_buf expr_env;
1128
1129 #define MD_TLONG 0
1130 #define MD_I32   1
1131
1132 typedef struct MonitorDef {
1133     const char *name;
1134     int offset;
1135     target_long (*get_value)(struct MonitorDef *md, int val);
1136     int type;
1137 } MonitorDef;
1138
1139 #if defined(TARGET_I386)
1140 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1141 {
1142     CPUState *env = mon_get_cpu();
1143     if (!env)
1144         return 0;
1145     return env->eip + env->segs[R_CS].base;
1146 }
1147 #endif
1148
1149 #if defined(TARGET_PPC)
1150 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1151 {
1152     CPUState *env = mon_get_cpu();
1153     unsigned int u;
1154     int i;
1155
1156     if (!env)
1157         return 0;
1158
1159     u = 0;
1160     for (i = 0; i < 8; i++)
1161         u |= env->crf[i] << (32 - (4 * i));
1162
1163     return u;
1164 }
1165
1166 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1167 {
1168     CPUState *env = mon_get_cpu();
1169     if (!env)
1170         return 0;
1171     return (env->msr[MSR_POW] << MSR_POW) |
1172         (env->msr[MSR_ILE] << MSR_ILE) |
1173         (env->msr[MSR_EE] << MSR_EE) |
1174         (env->msr[MSR_PR] << MSR_PR) |
1175         (env->msr[MSR_FP] << MSR_FP) |
1176         (env->msr[MSR_ME] << MSR_ME) |
1177         (env->msr[MSR_FE0] << MSR_FE0) |
1178         (env->msr[MSR_SE] << MSR_SE) |
1179         (env->msr[MSR_BE] << MSR_BE) |
1180         (env->msr[MSR_FE1] << MSR_FE1) |
1181         (env->msr[MSR_IP] << MSR_IP) |
1182         (env->msr[MSR_IR] << MSR_IR) |
1183         (env->msr[MSR_DR] << MSR_DR) |
1184         (env->msr[MSR_RI] << MSR_RI) |
1185         (env->msr[MSR_LE] << MSR_LE);
1186 }
1187
1188 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1189 {
1190     CPUState *env = mon_get_cpu();
1191     if (!env)
1192         return 0;
1193     return (env->xer[XER_SO] << XER_SO) |
1194         (env->xer[XER_OV] << XER_OV) |
1195         (env->xer[XER_CA] << XER_CA) |
1196         (env->xer[XER_BC] << XER_BC);
1197 }
1198
1199 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1200 {
1201     CPUState *env = mon_get_cpu();
1202     if (!env)
1203         return 0;
1204     return cpu_ppc_load_decr(env);
1205 }
1206
1207 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1208 {
1209     CPUState *env = mon_get_cpu();
1210     if (!env)
1211         return 0;
1212     return cpu_ppc_load_tbu(env);
1213 }
1214
1215 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1216 {
1217     CPUState *env = mon_get_cpu();
1218     if (!env)
1219         return 0;
1220     return cpu_ppc_load_tbl(env);
1221 }
1222 #endif
1223
1224 #if defined(TARGET_SPARC)
1225 #ifndef TARGET_SPARC64
1226 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1227 {
1228     CPUState *env = mon_get_cpu();
1229     if (!env)
1230         return 0;
1231     return GET_PSR(env);
1232 }
1233 #endif
1234
1235 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1236 {
1237     CPUState *env = mon_get_cpu();
1238     if (!env)
1239         return 0;
1240     return env->regwptr[val];
1241 }
1242 #endif
1243
1244 static MonitorDef monitor_defs[] = {
1245 #ifdef TARGET_I386
1246
1247 #define SEG(name, seg) \
1248     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1249     { name ".base", offsetof(CPUState, segs[seg].base) },\
1250     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1251
1252     { "eax", offsetof(CPUState, regs[0]) },
1253     { "ecx", offsetof(CPUState, regs[1]) },
1254     { "edx", offsetof(CPUState, regs[2]) },
1255     { "ebx", offsetof(CPUState, regs[3]) },
1256     { "esp|sp", offsetof(CPUState, regs[4]) },
1257     { "ebp|fp", offsetof(CPUState, regs[5]) },
1258     { "esi", offsetof(CPUState, regs[6]) },
1259     { "edi", offsetof(CPUState, regs[7]) },
1260 #ifdef TARGET_X86_64
1261     { "r8", offsetof(CPUState, regs[8]) },
1262     { "r9", offsetof(CPUState, regs[9]) },
1263     { "r10", offsetof(CPUState, regs[10]) },
1264     { "r11", offsetof(CPUState, regs[11]) },
1265     { "r12", offsetof(CPUState, regs[12]) },
1266     { "r13", offsetof(CPUState, regs[13]) },
1267     { "r14", offsetof(CPUState, regs[14]) },
1268     { "r15", offsetof(CPUState, regs[15]) },
1269 #endif
1270     { "eflags", offsetof(CPUState, eflags) },
1271     { "eip", offsetof(CPUState, eip) },
1272     SEG("cs", R_CS)
1273     SEG("ds", R_DS)
1274     SEG("es", R_ES)
1275     SEG("ss", R_SS)
1276     SEG("fs", R_FS)
1277     SEG("gs", R_GS)
1278     { "pc", 0, monitor_get_pc, },
1279 #elif defined(TARGET_PPC)
1280     { "r0", offsetof(CPUState, gpr[0]) },
1281     { "r1", offsetof(CPUState, gpr[1]) },
1282     { "r2", offsetof(CPUState, gpr[2]) },
1283     { "r3", offsetof(CPUState, gpr[3]) },
1284     { "r4", offsetof(CPUState, gpr[4]) },
1285     { "r5", offsetof(CPUState, gpr[5]) },
1286     { "r6", offsetof(CPUState, gpr[6]) },
1287     { "r7", offsetof(CPUState, gpr[7]) },
1288     { "r8", offsetof(CPUState, gpr[8]) },
1289     { "r9", offsetof(CPUState, gpr[9]) },
1290     { "r10", offsetof(CPUState, gpr[10]) },
1291     { "r11", offsetof(CPUState, gpr[11]) },
1292     { "r12", offsetof(CPUState, gpr[12]) },
1293     { "r13", offsetof(CPUState, gpr[13]) },
1294     { "r14", offsetof(CPUState, gpr[14]) },
1295     { "r15", offsetof(CPUState, gpr[15]) },
1296     { "r16", offsetof(CPUState, gpr[16]) },
1297     { "r17", offsetof(CPUState, gpr[17]) },
1298     { "r18", offsetof(CPUState, gpr[18]) },
1299     { "r19", offsetof(CPUState, gpr[19]) },
1300     { "r20", offsetof(CPUState, gpr[20]) },
1301     { "r21", offsetof(CPUState, gpr[21]) },
1302     { "r22", offsetof(CPUState, gpr[22]) },
1303     { "r23", offsetof(CPUState, gpr[23]) },
1304     { "r24", offsetof(CPUState, gpr[24]) },
1305     { "r25", offsetof(CPUState, gpr[25]) },
1306     { "r26", offsetof(CPUState, gpr[26]) },
1307     { "r27", offsetof(CPUState, gpr[27]) },
1308     { "r28", offsetof(CPUState, gpr[28]) },
1309     { "r29", offsetof(CPUState, gpr[29]) },
1310     { "r30", offsetof(CPUState, gpr[30]) },
1311     { "r31", offsetof(CPUState, gpr[31]) },
1312     { "nip|pc", offsetof(CPUState, nip) },
1313     { "lr", offsetof(CPUState, lr) },
1314     { "ctr", offsetof(CPUState, ctr) },
1315     { "decr", 0, &monitor_get_decr, },
1316     { "ccr", 0, &monitor_get_ccr, },
1317     { "msr", 0, &monitor_get_msr, },
1318     { "xer", 0, &monitor_get_xer, },
1319     { "tbu", 0, &monitor_get_tbu, },
1320     { "tbl", 0, &monitor_get_tbl, },
1321     { "sdr1", offsetof(CPUState, sdr1) },
1322     { "sr0", offsetof(CPUState, sr[0]) },
1323     { "sr1", offsetof(CPUState, sr[1]) },
1324     { "sr2", offsetof(CPUState, sr[2]) },
1325     { "sr3", offsetof(CPUState, sr[3]) },
1326     { "sr4", offsetof(CPUState, sr[4]) },
1327     { "sr5", offsetof(CPUState, sr[5]) },
1328     { "sr6", offsetof(CPUState, sr[6]) },
1329     { "sr7", offsetof(CPUState, sr[7]) },
1330     { "sr8", offsetof(CPUState, sr[8]) },
1331     { "sr9", offsetof(CPUState, sr[9]) },
1332     { "sr10", offsetof(CPUState, sr[10]) },
1333     { "sr11", offsetof(CPUState, sr[11]) },
1334     { "sr12", offsetof(CPUState, sr[12]) },
1335     { "sr13", offsetof(CPUState, sr[13]) },
1336     { "sr14", offsetof(CPUState, sr[14]) },
1337     { "sr15", offsetof(CPUState, sr[15]) },
1338     /* Too lazy to put BATs and SPRs ... */
1339 #elif defined(TARGET_SPARC)
1340     { "g0", offsetof(CPUState, gregs[0]) },
1341     { "g1", offsetof(CPUState, gregs[1]) },
1342     { "g2", offsetof(CPUState, gregs[2]) },
1343     { "g3", offsetof(CPUState, gregs[3]) },
1344     { "g4", offsetof(CPUState, gregs[4]) },
1345     { "g5", offsetof(CPUState, gregs[5]) },
1346     { "g6", offsetof(CPUState, gregs[6]) },
1347     { "g7", offsetof(CPUState, gregs[7]) },
1348     { "o0", 0, monitor_get_reg },
1349     { "o1", 1, monitor_get_reg },
1350     { "o2", 2, monitor_get_reg },
1351     { "o3", 3, monitor_get_reg },
1352     { "o4", 4, monitor_get_reg },
1353     { "o5", 5, monitor_get_reg },
1354     { "o6", 6, monitor_get_reg },
1355     { "o7", 7, monitor_get_reg },
1356     { "l0", 8, monitor_get_reg },
1357     { "l1", 9, monitor_get_reg },
1358     { "l2", 10, monitor_get_reg },
1359     { "l3", 11, monitor_get_reg },
1360     { "l4", 12, monitor_get_reg },
1361     { "l5", 13, monitor_get_reg },
1362     { "l6", 14, monitor_get_reg },
1363     { "l7", 15, monitor_get_reg },
1364     { "i0", 16, monitor_get_reg },
1365     { "i1", 17, monitor_get_reg },
1366     { "i2", 18, monitor_get_reg },
1367     { "i3", 19, monitor_get_reg },
1368     { "i4", 20, monitor_get_reg },
1369     { "i5", 21, monitor_get_reg },
1370     { "i6", 22, monitor_get_reg },
1371     { "i7", 23, monitor_get_reg },
1372     { "pc", offsetof(CPUState, pc) },
1373     { "npc", offsetof(CPUState, npc) },
1374     { "y", offsetof(CPUState, y) },
1375 #ifndef TARGET_SPARC64
1376     { "psr", 0, &monitor_get_psr, },
1377     { "wim", offsetof(CPUState, wim) },
1378 #endif
1379     { "tbr", offsetof(CPUState, tbr) },
1380     { "fsr", offsetof(CPUState, fsr) },
1381     { "f0", offsetof(CPUState, fpr[0]) },
1382     { "f1", offsetof(CPUState, fpr[1]) },
1383     { "f2", offsetof(CPUState, fpr[2]) },
1384     { "f3", offsetof(CPUState, fpr[3]) },
1385     { "f4", offsetof(CPUState, fpr[4]) },
1386     { "f5", offsetof(CPUState, fpr[5]) },
1387     { "f6", offsetof(CPUState, fpr[6]) },
1388     { "f7", offsetof(CPUState, fpr[7]) },
1389     { "f8", offsetof(CPUState, fpr[8]) },
1390     { "f9", offsetof(CPUState, fpr[9]) },
1391     { "f10", offsetof(CPUState, fpr[10]) },
1392     { "f11", offsetof(CPUState, fpr[11]) },
1393     { "f12", offsetof(CPUState, fpr[12]) },
1394     { "f13", offsetof(CPUState, fpr[13]) },
1395     { "f14", offsetof(CPUState, fpr[14]) },
1396     { "f15", offsetof(CPUState, fpr[15]) },
1397     { "f16", offsetof(CPUState, fpr[16]) },
1398     { "f17", offsetof(CPUState, fpr[17]) },
1399     { "f18", offsetof(CPUState, fpr[18]) },
1400     { "f19", offsetof(CPUState, fpr[19]) },
1401     { "f20", offsetof(CPUState, fpr[20]) },
1402     { "f21", offsetof(CPUState, fpr[21]) },
1403     { "f22", offsetof(CPUState, fpr[22]) },
1404     { "f23", offsetof(CPUState, fpr[23]) },
1405     { "f24", offsetof(CPUState, fpr[24]) },
1406     { "f25", offsetof(CPUState, fpr[25]) },
1407     { "f26", offsetof(CPUState, fpr[26]) },
1408     { "f27", offsetof(CPUState, fpr[27]) },
1409     { "f28", offsetof(CPUState, fpr[28]) },
1410     { "f29", offsetof(CPUState, fpr[29]) },
1411     { "f30", offsetof(CPUState, fpr[30]) },
1412     { "f31", offsetof(CPUState, fpr[31]) },
1413 #ifdef TARGET_SPARC64
1414     { "f32", offsetof(CPUState, fpr[32]) },
1415     { "f34", offsetof(CPUState, fpr[34]) },
1416     { "f36", offsetof(CPUState, fpr[36]) },
1417     { "f38", offsetof(CPUState, fpr[38]) },
1418     { "f40", offsetof(CPUState, fpr[40]) },
1419     { "f42", offsetof(CPUState, fpr[42]) },
1420     { "f44", offsetof(CPUState, fpr[44]) },
1421     { "f46", offsetof(CPUState, fpr[46]) },
1422     { "f48", offsetof(CPUState, fpr[48]) },
1423     { "f50", offsetof(CPUState, fpr[50]) },
1424     { "f52", offsetof(CPUState, fpr[52]) },
1425     { "f54", offsetof(CPUState, fpr[54]) },
1426     { "f56", offsetof(CPUState, fpr[56]) },
1427     { "f58", offsetof(CPUState, fpr[58]) },
1428     { "f60", offsetof(CPUState, fpr[60]) },
1429     { "f62", offsetof(CPUState, fpr[62]) },
1430     { "asi", offsetof(CPUState, asi) },
1431     { "pstate", offsetof(CPUState, pstate) },
1432     { "cansave", offsetof(CPUState, cansave) },
1433     { "canrestore", offsetof(CPUState, canrestore) },
1434     { "otherwin", offsetof(CPUState, otherwin) },
1435     { "wstate", offsetof(CPUState, wstate) },
1436     { "cleanwin", offsetof(CPUState, cleanwin) },
1437     { "fprs", offsetof(CPUState, fprs) },
1438 #endif
1439 #endif
1440     { NULL },
1441 };
1442
1443 static void expr_error(const char *fmt)
1444 {
1445     term_printf(fmt);
1446     term_printf("\n");
1447     longjmp(expr_env, 1);
1448 }
1449
1450 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1451 static int get_monitor_def(target_long *pval, const char *name)
1452 {
1453     MonitorDef *md;
1454     void *ptr;
1455
1456     for(md = monitor_defs; md->name != NULL; md++) {
1457         if (compare_cmd(name, md->name)) {
1458             if (md->get_value) {
1459                 *pval = md->get_value(md, md->offset);
1460             } else {
1461                 CPUState *env = mon_get_cpu();
1462                 if (!env)
1463                     return -2;
1464                 ptr = (uint8_t *)env + md->offset;
1465                 switch(md->type) {
1466                 case MD_I32:
1467                     *pval = *(int32_t *)ptr;
1468                     break;
1469                 case MD_TLONG:
1470                     *pval = *(target_long *)ptr;
1471                     break;
1472                 default:
1473                     *pval = 0;
1474                     break;
1475                 }
1476             }
1477             return 0;
1478         }
1479     }
1480     return -1;
1481 }
1482
1483 static void next(void)
1484 {
1485     if (pch != '\0') {
1486         pch++;
1487         while (isspace(*pch))
1488             pch++;
1489     }
1490 }
1491
1492 static target_long expr_sum(void);
1493
1494 static target_long expr_unary(void)
1495 {
1496     target_long n;
1497     char *p;
1498     int ret;
1499
1500     switch(*pch) {
1501     case '+':
1502         next();
1503         n = expr_unary();
1504         break;
1505     case '-':
1506         next();
1507         n = -expr_unary();
1508         break;
1509     case '~':
1510         next();
1511         n = ~expr_unary();
1512         break;
1513     case '(':
1514         next();
1515         n = expr_sum();
1516         if (*pch != ')') {
1517             expr_error("')' expected");
1518         }
1519         next();
1520         break;
1521     case '\'':
1522         pch++;
1523         if (*pch == '\0')
1524             expr_error("character constant expected");
1525         n = *pch;
1526         pch++;
1527         if (*pch != '\'')
1528             expr_error("missing terminating \' character");
1529         next();
1530         break;
1531     case '$':
1532         {
1533             char buf[128], *q;
1534
1535             pch++;
1536             q = buf;
1537             while ((*pch >= 'a' && *pch <= 'z') ||
1538                    (*pch >= 'A' && *pch <= 'Z') ||
1539                    (*pch >= '0' && *pch <= '9') ||
1540                    *pch == '_' || *pch == '.') {
1541                 if ((q - buf) < sizeof(buf) - 1)
1542                     *q++ = *pch;
1543                 pch++;
1544             }
1545             while (isspace(*pch))
1546                 pch++;
1547             *q = 0;
1548             ret = get_monitor_def(&n, buf);
1549             if (ret == -1)
1550                 expr_error("unknown register");
1551             else if (ret == -2)
1552                 expr_error("no cpu defined");
1553         }
1554         break;
1555     case '\0':
1556         expr_error("unexpected end of expression");
1557         n = 0;
1558         break;
1559     default:
1560         /* XXX: 64 bit version */
1561         n = strtoul(pch, &p, 0);
1562         if (pch == p) {
1563             expr_error("invalid char in expression");
1564         }
1565         pch = p;
1566         while (isspace(*pch))
1567             pch++;
1568         break;
1569     }
1570     return n;
1571 }
1572
1573
1574 static target_long expr_prod(void)
1575 {
1576     target_long val, val2;
1577     int op;
1578
1579     val = expr_unary();
1580     for(;;) {
1581         op = *pch;
1582         if (op != '*' && op != '/' && op != '%')
1583             break;
1584         next();
1585         val2 = expr_unary();
1586         switch(op) {
1587         default:
1588         case '*':
1589             val *= val2;
1590             break;
1591         case '/':
1592         case '%':
1593             if (val2 == 0)
1594                 expr_error("division by zero");
1595             if (op == '/')
1596                 val /= val2;
1597             else
1598                 val %= val2;
1599             break;
1600         }
1601     }
1602     return val;
1603 }
1604
1605 static target_long expr_logic(void)
1606 {
1607     target_long val, val2;
1608     int op;
1609
1610     val = expr_prod();
1611     for(;;) {
1612         op = *pch;
1613         if (op != '&' && op != '|' && op != '^')
1614             break;
1615         next();
1616         val2 = expr_prod();
1617         switch(op) {
1618         default:
1619         case '&':
1620             val &= val2;
1621             break;
1622         case '|':
1623             val |= val2;
1624             break;
1625         case '^':
1626             val ^= val2;
1627             break;
1628         }
1629     }
1630     return val;
1631 }
1632
1633 static target_long expr_sum(void)
1634 {
1635     target_long val, val2;
1636     int op;
1637
1638     val = expr_logic();
1639     for(;;) {
1640         op = *pch;
1641         if (op != '+' && op != '-')
1642             break;
1643         next();
1644         val2 = expr_logic();
1645         if (op == '+')
1646             val += val2;
1647         else
1648             val -= val2;
1649     }
1650     return val;
1651 }
1652
1653 static int get_expr(target_long *pval, const char **pp)
1654 {
1655     pch = *pp;
1656     if (setjmp(expr_env)) {
1657         *pp = pch;
1658         return -1;
1659     }
1660     while (isspace(*pch))
1661         pch++;
1662     *pval = expr_sum();
1663     *pp = pch;
1664     return 0;
1665 }
1666
1667 static int get_str(char *buf, int buf_size, const char **pp)
1668 {
1669     const char *p;
1670     char *q;
1671     int c;
1672
1673     q = buf;
1674     p = *pp;
1675     while (isspace(*p))
1676         p++;
1677     if (*p == '\0') {
1678     fail:
1679         *q = '\0';
1680         *pp = p;
1681         return -1;
1682     }
1683     if (*p == '\"') {
1684         p++;
1685         while (*p != '\0' && *p != '\"') {
1686             if (*p == '\\') {
1687                 p++;
1688                 c = *p++;
1689                 switch(c) {
1690                 case 'n':
1691                     c = '\n';
1692                     break;
1693                 case 'r':
1694                     c = '\r';
1695                     break;
1696                 case '\\':
1697                 case '\'':
1698                 case '\"':
1699                     break;
1700                 default:
1701                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1702                     goto fail;
1703                 }
1704                 if ((q - buf) < buf_size - 1) {
1705                     *q++ = c;
1706                 }
1707             } else {
1708                 if ((q - buf) < buf_size - 1) {
1709                     *q++ = *p;
1710                 }
1711                 p++;
1712             }
1713         }
1714         if (*p != '\"') {
1715             qemu_printf("unterminated string\n");
1716             goto fail;
1717         }
1718         p++;
1719     } else {
1720         while (*p != '\0' && !isspace(*p)) {
1721             if ((q - buf) < buf_size - 1) {
1722                 *q++ = *p;
1723             }
1724             p++;
1725         }
1726     }
1727     *q = '\0';
1728     *pp = p;
1729     return 0;
1730 }
1731
1732 static int default_fmt_format = 'x';
1733 static int default_fmt_size = 4;
1734
1735 #define MAX_ARGS 16
1736
1737 static void monitor_handle_command(const char *cmdline)
1738 {
1739     const char *p, *pstart, *typestr;
1740     char *q;
1741     int c, nb_args, len, i, has_arg;
1742     term_cmd_t *cmd;
1743     char cmdname[256];
1744     char buf[1024];
1745     void *str_allocated[MAX_ARGS];
1746     void *args[MAX_ARGS];
1747
1748 #ifdef DEBUG
1749     term_printf("command='%s'\n", cmdline);
1750 #endif
1751
1752     /* extract the command name */
1753     p = cmdline;
1754     q = cmdname;
1755     while (isspace(*p))
1756         p++;
1757     if (*p == '\0')
1758         return;
1759     pstart = p;
1760     while (*p != '\0' && *p != '/' && !isspace(*p))
1761         p++;
1762     len = p - pstart;
1763     if (len > sizeof(cmdname) - 1)
1764         len = sizeof(cmdname) - 1;
1765     memcpy(cmdname, pstart, len);
1766     cmdname[len] = '\0';
1767
1768     /* find the command */
1769     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1770         if (compare_cmd(cmdname, cmd->name))
1771             goto found;
1772     }
1773     term_printf("unknown command: '%s'\n", cmdname);
1774     return;
1775  found:
1776
1777     for(i = 0; i < MAX_ARGS; i++)
1778         str_allocated[i] = NULL;
1779
1780     /* parse the parameters */
1781     typestr = cmd->args_type;
1782     nb_args = 0;
1783     for(;;) {
1784         c = *typestr;
1785         if (c == '\0')
1786             break;
1787         typestr++;
1788         switch(c) {
1789         case 'F':
1790         case 'B':
1791         case 's':
1792             {
1793                 int ret;
1794                 char *str;
1795
1796                 while (isspace(*p))
1797                     p++;
1798                 if (*typestr == '?') {
1799                     typestr++;
1800                     if (*p == '\0') {
1801                         /* no optional string: NULL argument */
1802                         str = NULL;
1803                         goto add_str;
1804                     }
1805                 }
1806                 ret = get_str(buf, sizeof(buf), &p);
1807                 if (ret < 0) {
1808                     switch(c) {
1809                     case 'F':
1810                         term_printf("%s: filename expected\n", cmdname);
1811                         break;
1812                     case 'B':
1813                         term_printf("%s: block device name expected\n", cmdname);
1814                         break;
1815                     default:
1816                         term_printf("%s: string expected\n", cmdname);
1817                         break;
1818                     }
1819                     goto fail;
1820                 }
1821                 str = qemu_malloc(strlen(buf) + 1);
1822                 strcpy(str, buf);
1823                 str_allocated[nb_args] = str;
1824             add_str:
1825                 if (nb_args >= MAX_ARGS) {
1826                 error_args:
1827                     term_printf("%s: too many arguments\n", cmdname);
1828                     goto fail;
1829                 }
1830                 args[nb_args++] = str;
1831             }
1832             break;
1833         case '/':
1834             {
1835                 int count, format, size;
1836
1837                 while (isspace(*p))
1838                     p++;
1839                 if (*p == '/') {
1840                     /* format found */
1841                     p++;
1842                     count = 1;
1843                     if (isdigit(*p)) {
1844                         count = 0;
1845                         while (isdigit(*p)) {
1846                             count = count * 10 + (*p - '0');
1847                             p++;
1848                         }
1849                     }
1850                     size = -1;
1851                     format = -1;
1852                     for(;;) {
1853                         switch(*p) {
1854                         case 'o':
1855                         case 'd':
1856                         case 'u':
1857                         case 'x':
1858                         case 'i':
1859                         case 'c':
1860                             format = *p++;
1861                             break;
1862                         case 'b':
1863                             size = 1;
1864                             p++;
1865                             break;
1866                         case 'h':
1867                             size = 2;
1868                             p++;
1869                             break;
1870                         case 'w':
1871                             size = 4;
1872                             p++;
1873                             break;
1874                         case 'g':
1875                         case 'L':
1876                             size = 8;
1877                             p++;
1878                             break;
1879                         default:
1880                             goto next;
1881                         }
1882                     }
1883                 next:
1884                     if (*p != '\0' && !isspace(*p)) {
1885                         term_printf("invalid char in format: '%c'\n", *p);
1886                         goto fail;
1887                     }
1888                     if (format < 0)
1889                         format = default_fmt_format;
1890                     if (format != 'i') {
1891                         /* for 'i', not specifying a size gives -1 as size */
1892                         if (size < 0)
1893                             size = default_fmt_size;
1894                     }
1895                     default_fmt_size = size;
1896                     default_fmt_format = format;
1897                 } else {
1898                     count = 1;
1899                     format = default_fmt_format;
1900                     if (format != 'i') {
1901                         size = default_fmt_size;
1902                     } else {
1903                         size = -1;
1904                     }
1905                 }
1906                 if (nb_args + 3 > MAX_ARGS)
1907                     goto error_args;
1908                 args[nb_args++] = (void*)count;
1909                 args[nb_args++] = (void*)format;
1910                 args[nb_args++] = (void*)size;
1911             }
1912             break;
1913         case 'i':
1914         case 'l':
1915             {
1916                 target_long val;
1917                 while (isspace(*p))
1918                     p++;
1919                 if (*typestr == '?' || *typestr == '.') {
1920                     typestr++;
1921                     if (*typestr == '?') {
1922                         if (*p == '\0')
1923                             has_arg = 0;
1924                         else
1925                             has_arg = 1;
1926                     } else {
1927                         if (*p == '.') {
1928                             p++;
1929                             while (isspace(*p))
1930                                 p++;
1931                             has_arg = 1;
1932                         } else {
1933                             has_arg = 0;
1934                         }
1935                     }
1936                     if (nb_args >= MAX_ARGS)
1937                         goto error_args;
1938                     args[nb_args++] = (void *)has_arg;
1939                     if (!has_arg) {
1940                         if (nb_args >= MAX_ARGS)
1941                             goto error_args;
1942                         val = -1;
1943                         goto add_num;
1944                     }
1945                 }
1946                 if (get_expr(&val, &p))
1947                     goto fail;
1948             add_num:
1949                 if (c == 'i') {
1950                     if (nb_args >= MAX_ARGS)
1951                         goto error_args;
1952                     args[nb_args++] = (void *)(int)val;
1953                 } else {
1954                     if ((nb_args + 1) >= MAX_ARGS)
1955                         goto error_args;
1956 #if TARGET_LONG_BITS == 64
1957                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
1958 #else
1959                     args[nb_args++] = (void *)0;
1960 #endif
1961                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
1962                 }
1963             }
1964             break;
1965         case '-':
1966             {
1967                 int has_option;
1968                 /* option */
1969
1970                 c = *typestr++;
1971                 if (c == '\0')
1972                     goto bad_type;
1973                 while (isspace(*p))
1974                     p++;
1975                 has_option = 0;
1976                 if (*p == '-') {
1977                     p++;
1978                     if (*p != c) {
1979                         term_printf("%s: unsupported option -%c\n",
1980                                     cmdname, *p);
1981                         goto fail;
1982                     }
1983                     p++;
1984                     has_option = 1;
1985                 }
1986                 if (nb_args >= MAX_ARGS)
1987                     goto error_args;
1988                 args[nb_args++] = (void *)has_option;
1989             }
1990             break;
1991         default:
1992         bad_type:
1993             term_printf("%s: unknown type '%c'\n", cmdname, c);
1994             goto fail;
1995         }
1996     }
1997     /* check that all arguments were parsed */
1998     while (isspace(*p))
1999         p++;
2000     if (*p != '\0') {
2001         term_printf("%s: extraneous characters at the end of line\n",
2002                     cmdname);
2003         goto fail;
2004     }
2005
2006     switch(nb_args) {
2007     case 0:
2008         cmd->handler();
2009         break;
2010     case 1:
2011         cmd->handler(args[0]);
2012         break;
2013     case 2:
2014         cmd->handler(args[0], args[1]);
2015         break;
2016     case 3:
2017         cmd->handler(args[0], args[1], args[2]);
2018         break;
2019     case 4:
2020         cmd->handler(args[0], args[1], args[2], args[3]);
2021         break;
2022     case 5:
2023         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2024         break;
2025     case 6:
2026         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2027         break;
2028     default:
2029         term_printf("unsupported number of arguments: %d\n", nb_args);
2030         goto fail;
2031     }
2032  fail:
2033     for(i = 0; i < MAX_ARGS; i++)
2034         qemu_free(str_allocated[i]);
2035     return;
2036 }
2037
2038 static void cmd_completion(const char *name, const char *list)
2039 {
2040     const char *p, *pstart;
2041     char cmd[128];
2042     int len;
2043
2044     p = list;
2045     for(;;) {
2046         pstart = p;
2047         p = strchr(p, '|');
2048         if (!p)
2049             p = pstart + strlen(pstart);
2050         len = p - pstart;
2051         if (len > sizeof(cmd) - 2)
2052             len = sizeof(cmd) - 2;
2053         memcpy(cmd, pstart, len);
2054         cmd[len] = '\0';
2055         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2056             add_completion(cmd);
2057         }
2058         if (*p == '\0')
2059             break;
2060         p++;
2061     }
2062 }
2063
2064 static void file_completion(const char *input)
2065 {
2066     DIR *ffs;
2067     struct dirent *d;
2068     char path[1024];
2069     char file[1024], file_prefix[1024];
2070     int input_path_len;
2071     const char *p;
2072
2073     p = strrchr(input, '/');
2074     if (!p) {
2075         input_path_len = 0;
2076         pstrcpy(file_prefix, sizeof(file_prefix), input);
2077         strcpy(path, ".");
2078     } else {
2079         input_path_len = p - input + 1;
2080         memcpy(path, input, input_path_len);
2081         if (input_path_len > sizeof(path) - 1)
2082             input_path_len = sizeof(path) - 1;
2083         path[input_path_len] = '\0';
2084         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2085     }
2086 #ifdef DEBUG_COMPLETION
2087     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2088 #endif
2089     ffs = opendir(path);
2090     if (!ffs)
2091         return;
2092     for(;;) {
2093         struct stat sb;
2094         d = readdir(ffs);
2095         if (!d)
2096             break;
2097         if (strstart(d->d_name, file_prefix, NULL)) {
2098             memcpy(file, input, input_path_len);
2099             strcpy(file + input_path_len, d->d_name);
2100             /* stat the file to find out if it's a directory.
2101              * In that case add a slash to speed up typing long paths
2102              */
2103             stat(file, &sb);
2104             if(S_ISDIR(sb.st_mode))
2105                 strcat(file, "/");
2106             add_completion(file);
2107         }
2108     }
2109     closedir(ffs);
2110 }
2111
2112 static void block_completion_it(void *opaque, const char *name)
2113 {
2114     const char *input = opaque;
2115
2116     if (input[0] == '\0' ||
2117         !strncmp(name, (char *)input, strlen(input))) {
2118         add_completion(name);
2119     }
2120 }
2121
2122 /* NOTE: this parser is an approximate form of the real command parser */
2123 static void parse_cmdline(const char *cmdline,
2124                          int *pnb_args, char **args)
2125 {
2126     const char *p;
2127     int nb_args, ret;
2128     char buf[1024];
2129
2130     p = cmdline;
2131     nb_args = 0;
2132     for(;;) {
2133         while (isspace(*p))
2134             p++;
2135         if (*p == '\0')
2136             break;
2137         if (nb_args >= MAX_ARGS)
2138             break;
2139         ret = get_str(buf, sizeof(buf), &p);
2140         args[nb_args] = qemu_strdup(buf);
2141         nb_args++;
2142         if (ret < 0)
2143             break;
2144     }
2145     *pnb_args = nb_args;
2146 }
2147
2148 void readline_find_completion(const char *cmdline)
2149 {
2150     const char *cmdname;
2151     char *args[MAX_ARGS];
2152     int nb_args, i, len;
2153     const char *ptype, *str;
2154     term_cmd_t *cmd;
2155
2156     parse_cmdline(cmdline, &nb_args, args);
2157 #ifdef DEBUG_COMPLETION
2158     for(i = 0; i < nb_args; i++) {
2159         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2160     }
2161 #endif
2162
2163     /* if the line ends with a space, it means we want to complete the
2164        next arg */
2165     len = strlen(cmdline);
2166     if (len > 0 && isspace(cmdline[len - 1])) {
2167         if (nb_args >= MAX_ARGS)
2168             return;
2169         args[nb_args++] = qemu_strdup("");
2170     }
2171     if (nb_args <= 1) {
2172         /* command completion */
2173         if (nb_args == 0)
2174             cmdname = "";
2175         else
2176             cmdname = args[0];
2177         completion_index = strlen(cmdname);
2178         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2179             cmd_completion(cmdname, cmd->name);
2180         }
2181     } else {
2182         /* find the command */
2183         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2184             if (compare_cmd(args[0], cmd->name))
2185                 goto found;
2186         }
2187         return;
2188     found:
2189         ptype = cmd->args_type;
2190         for(i = 0; i < nb_args - 2; i++) {
2191             if (*ptype != '\0') {
2192                 ptype++;
2193                 while (*ptype == '?')
2194                     ptype++;
2195             }
2196         }
2197         str = args[nb_args - 1];
2198         switch(*ptype) {
2199         case 'F':
2200             /* file completion */
2201             completion_index = strlen(str);
2202             file_completion(str);
2203             break;
2204         case 'B':
2205             /* block device name completion */
2206             completion_index = strlen(str);
2207             bdrv_iterate(block_completion_it, (void *)str);
2208             break;
2209         case 's':
2210             /* XXX: more generic ? */
2211             if (!strcmp(cmd->name, "info")) {
2212                 completion_index = strlen(str);
2213                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2214                     cmd_completion(str, cmd->name);
2215                 }
2216             }
2217             break;
2218         default:
2219             break;
2220         }
2221     }
2222     for(i = 0; i < nb_args; i++)
2223         qemu_free(args[i]);
2224 }
2225
2226 static int term_can_read(void *opaque)
2227 {
2228     return 128;
2229 }
2230
2231 static void term_read(void *opaque, const uint8_t *buf, int size)
2232 {
2233     int i;
2234     for(i = 0; i < size; i++)
2235         readline_handle_byte(buf[i]);
2236 }
2237
2238 static void monitor_start_input(void);
2239
2240 static void monitor_handle_command1(void *opaque, const char *cmdline)
2241 {
2242     monitor_handle_command(cmdline);
2243     monitor_start_input();
2244 }
2245
2246 static void monitor_start_input(void)
2247 {
2248     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2249 }
2250
2251 void monitor_init(CharDriverState *hd, int show_banner)
2252 {
2253     monitor_hd = hd;
2254     if (show_banner) {
2255         term_printf("QEMU %s monitor - type 'help' for more information\n",
2256                     QEMU_VERSION);
2257     }
2258     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2259     monitor_start_input();
2260 }
2261
2262 /* XXX: use threads ? */
2263 /* modal monitor readline */
2264 static int monitor_readline_started;
2265 static char *monitor_readline_buf;
2266 static int monitor_readline_buf_size;
2267
2268 static void monitor_readline_cb(void *opaque, const char *input)
2269 {
2270     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2271     monitor_readline_started = 0;
2272 }
2273
2274 void monitor_readline(const char *prompt, int is_password,
2275                       char *buf, int buf_size)
2276 {
2277     if (is_password) {
2278         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2279     }
2280     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2281     monitor_readline_buf = buf;
2282     monitor_readline_buf_size = buf_size;
2283     monitor_readline_started = 1;
2284     while (monitor_readline_started) {
2285         main_loop_wait(10);
2286     }
2287 }