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