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