monitor.c

   1 /*
   2  * QEMU monitor
   3  *
   4  * Copyright (c) 2003-2004 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include "vl.h"
  25 #include "disas.h"
  26 #include <dirent.h>
  27
  28 //#define DEBUG
  29 //#define DEBUG_COMPLETION
  30
  31 #ifndef offsetof
  32 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  33 #endif
  34
  35 /*
  36  * Supported types:
  37  *
  38  * 'F'          filename
  39  * 'B'          block device name
  40  * 's'          string (accept optional quote)
  41  * 'i'          32 bit integer
  42  * 'l'          target long (32 or 64 bit)
  43  * '/'          optional gdb-like print format (like "/10x")
  44  *
  45  * '?'          optional type (for 'F', 's' and 'i')
  46  *
  47  */
  48
  49 typedef struct term_cmd_t {
  50     const char *name;
  51     const char *args_type;
  52     void (*handler)();
  53     const char *params;
  54     const char *help;
  55 } term_cmd_t;
  56
  57 static CharDriverState *monitor_hd;
  58
  59 static term_cmd_t term_cmds[];
  60 static term_cmd_t info_cmds[];
  61
  62 static char term_outbuf[1024];
  63 static int term_outbuf_index;
  64
  65 static void monitor_start_input(void);
  66
  67 CPUState *mon_cpu = NULL;
  68
  69 void term_flush(void)
  70 {
  71     if (term_outbuf_index > 0) {
  72         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  73         term_outbuf_index = 0;
  74     }
  75 }
  76
  77 /* flush at every end of line or if the buffer is full */
  78 void term_puts(const char *str)
  79 {
  80     int c;
  81     for(;;) {
  82         c = *str++;
  83         if (c == '\0')
  84             break;
  85         if (c == '\n')
  86             term_outbuf[term_outbuf_index++] = '\r';
  87         term_outbuf[term_outbuf_index++] = c;
  88         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  89             c == '\n')
  90             term_flush();
  91     }
  92 }
  93
  94 void term_vprintf(const char *fmt, va_list ap)
  95 {
  96     char buf[4096];
  97     vsnprintf(buf, sizeof(buf), fmt, ap);
  98     term_puts(buf);
  99 }
 100
 101 void term_printf(const char *fmt, ...)
 102 {
 103     va_list ap;
 104     va_start(ap, fmt);
 105     term_vprintf(fmt, ap);
 106     va_end(ap);
 107 }
 108
 109 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 110 {
 111     va_list ap;
 112     va_start(ap, fmt);
 113     term_vprintf(fmt, ap);
 114     va_end(ap);
 115     return 0;
 116 }
 117
 118 static int compare_cmd(const char *name, const char *list)
 119 {
 120     const char *p, *pstart;
 121     int len;
 122     len = strlen(name);
 123     p = list;
 124     for(;;) {
 125         pstart = p;
 126         p = strchr(p, '|');
 127         if (!p)
 128             p = pstart + strlen(pstart);
 129         if ((p - pstart) == len && !memcmp(pstart, name, len))
 130             return 1;
 131         if (*p == '\0')
 132             break;
 133         p++;
 134     }
 135     return 0;
 136 }
 137
 138 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 139 {
 140     term_cmd_t *cmd;
 141
 142     for(cmd = cmds; cmd->name != NULL; cmd++) {
 143         if (!name || !strcmp(name, cmd->name))
 144             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 145     }
 146 }
 147
 148 static void help_cmd(const char *name)
 149 {
 150     if (name && !strcmp(name, "info")) {
 151         help_cmd1(info_cmds, "info ", NULL);
 152     } else {
 153         help_cmd1(term_cmds, "", name);
 154         if (name && !strcmp(name, "log")) {
 155             CPULogItem *item;
 156             term_printf("Log items (comma separated):\n");
 157             term_printf("%-10s %s\n", "none", "remove all logs");
 158             for(item = cpu_log_items; item->mask != 0; item++) {
 159                 term_printf("%-10s %s\n", item->name, item->help);
 160             }
 161         }
 162     }
 163 }
 164
 165 static void do_help(const char *name)
 166 {
 167     help_cmd(name);
 168 }
 169
 170 static void do_commit(const char *device)
 171 {
 172     int i, all_devices;
 173
 174     all_devices = !strcmp(device, "all");
 175     for (i = 0; i < MAX_DISKS; i++) {
 176         if (bs_table[i]) {
 177             if (all_devices ||
 178                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 179                 bdrv_commit(bs_table[i]);
 180         }
 181     }
 182 }
 183
 184 static void do_info(const char *item)
 185 {
 186     term_cmd_t *cmd;
 187
 188     if (!item)
 189         goto help;
 190     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 191         if (compare_cmd(item, cmd->name))
 192             goto found;
 193     }
 194  help:
 195     help_cmd("info");
 196     return;
 197  found:
 198     cmd->handler();
 199 }
 200
 201 static void do_info_version(void)
 202 {
 203   term_printf("%s\n", QEMU_VERSION);
 204 }
 205
 206 static void do_info_block(void)
 207 {
 208     bdrv_info();
 209 }
 210
 211 /* get the current CPU defined by the user */
 212 int mon_set_cpu(int cpu_index)
 213 {
 214     CPUState *env;
 215
 216     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 217         if (env->cpu_index == cpu_index) {
 218             mon_cpu = env;
 219             return 0;
 220         }
 221     }
 222     return -1;
 223 }
 224
 225 CPUState *mon_get_cpu(void)
 226 {
 227     if (!mon_cpu) {
 228         mon_set_cpu(0);
 229     }
 230     return mon_cpu;
 231 }
 232
 233 static void do_info_registers(void)
 234 {
 235     CPUState *env;
 236     env = mon_get_cpu();
 237     if (!env)
 238         return;
 239 #ifdef TARGET_I386
 240     cpu_dump_state(env, NULL, monitor_fprintf,
 241                    X86_DUMP_FPU);
 242 #else
 243     cpu_dump_state(env, NULL, monitor_fprintf,
 244                    0);
 245 #endif
 246 }
 247
 248 static void do_info_cpus(void)
 249 {
 250     CPUState *env;
 251
 252     /* just to set the default cpu if not already done */
 253     mon_get_cpu();
 254
 255     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 256         term_printf("%c CPU #%d:",
 257                     (env == mon_cpu) ? '*' : ' ',
 258                     env->cpu_index);
 259 #if defined(TARGET_I386)
 260         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 261         if (env->hflags & HF_HALTED_MASK)
 262             term_printf(" (halted)");
 263 #elif defined(TARGET_PPC)
 264         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 265         if (env->halted)
 266             term_printf(" (halted)");
 267 #elif defined(TARGET_SPARC)
 268         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 269         if (env->halted)
 270             term_printf(" (halted)");
 271 #endif
 272         term_printf("\n");
 273     }
 274 }
 275
 276 static void do_cpu_set(int index)
 277 {
 278     if (mon_set_cpu(index) < 0)
 279         term_printf("Invalid CPU index\n");
 280 }
 281
 282 static void do_info_jit(void)
 283 {
 284     dump_exec_info(NULL, monitor_fprintf);
 285 }
 286
 287 static void do_info_history (void)
 288 {
 289     int i;
 290     const char *str;
 291
 292     i = 0;
 293     for(;;) {
 294         str = readline_get_history(i);
 295         if (!str)
 296             break;
 297         term_printf("%d: '%s'\n", i, str);
 298         i++;
 299     }
 300 }
 301
 302 static void do_quit(void)
 303 {
 304     exit(0);
 305 }
 306
 307 static int eject_device(BlockDriverState *bs, int force)
 308 {
 309     if (bdrv_is_inserted(bs)) {
 310         if (!force) {
 311             if (!bdrv_is_removable(bs)) {
 312                 term_printf("device is not removable\n");
 313                 return -1;
 314             }
 315             if (bdrv_is_locked(bs)) {
 316                 term_printf("device is locked\n");
 317                 return -1;
 318             }
 319         }
 320         bdrv_close(bs);
 321     }
 322     return 0;
 323 }
 324
 325 static void do_eject(int force, const char *filename)
 326 {
 327     BlockDriverState *bs;
 328
 329     bs = bdrv_find(filename);
 330     if (!bs) {
 331         term_printf("device not found\n");
 332         return;
 333     }
 334     eject_device(bs, force);
 335 }
 336
 337 static void do_change(const char *device, const char *filename)
 338 {
 339     BlockDriverState *bs;
 340     int i;
 341     char password[256];
 342
 343     bs = bdrv_find(device);
 344     if (!bs) {
 345         term_printf("device not found\n");
 346         return;
 347     }
 348     if (eject_device(bs, 0) < 0)
 349         return;
 350     bdrv_open(bs, filename, 0);
 351     if (bdrv_is_encrypted(bs)) {
 352         term_printf("%s is encrypted.\n", device);
 353         for(i = 0; i < 3; i++) {
 354             monitor_readline("Password: ", 1, password, sizeof(password));
 355             if (bdrv_set_key(bs, password) == 0)
 356                 break;
 357             term_printf("invalid password\n");
 358         }
 359     }
 360 }
 361
 362 static void do_screen_dump(const char *filename)
 363 {
 364     vga_hw_screen_dump(filename);
 365 }
 366
 367 static void do_log(const char *items)
 368 {
 369     int mask;
 370
 371     if (!strcmp(items, "none")) {
 372         mask = 0;
 373     } else {
 374         mask = cpu_str_to_log_mask(items);
 375         if (!mask) {
 376             help_cmd("log");
 377             return;
 378         }
 379     }
 380     cpu_set_log(mask);
 381 }
 382
 383 static void do_savevm(const char *filename)
 384 {
 385     if (qemu_savevm(filename) < 0)
 386         term_printf("I/O error when saving VM to '%s'\n", filename);
 387 }
 388
 389 static void do_loadvm(const char *filename)
 390 {
 391     if (qemu_loadvm(filename) < 0)
 392         term_printf("I/O error when loading VM from '%s'\n", filename);
 393 }
 394
 395 static void do_stop(void)
 396 {
 397     vm_stop(EXCP_INTERRUPT);
 398 }
 399
 400 static void do_cont(void)
 401 {
 402     vm_start();
 403 }
 404
 405 #ifdef CONFIG_GDBSTUB
 406 static void do_gdbserver(int has_port, int port)
 407 {
 408     if (!has_port)
 409         port = DEFAULT_GDBSTUB_PORT;
 410     if (gdbserver_start(port) < 0) {
 411         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 412     } else {
 413         qemu_printf("Waiting gdb connection on port %d\n", port);
 414     }
 415 }
 416 #endif
 417
 418 static void term_printc(int c)
 419 {
 420     term_printf("'");
 421     switch(c) {
 422     case '\'':
 423         term_printf("\\'");
 424         break;
 425     case '\\':
 426         term_printf("\\\\");
 427         break;
 428     case '\n':
 429         term_printf("\\n");
 430         break;
 431     case '\r':
 432         term_printf("\\r");
 433         break;
 434     default:
 435         if (c >= 32 && c <= 126) {
 436             term_printf("%c", c);
 437         } else {
 438             term_printf("\\x%02x", c);
 439         }
 440         break;
 441     }
 442     term_printf("'");
 443 }
 444
 445 static void memory_dump(int count, int format, int wsize,
 446                         target_ulong addr, int is_physical)
 447 {
 448     CPUState *env;
 449     int nb_per_line, l, line_size, i, max_digits, len;
 450     uint8_t buf[16];
 451     uint64_t v;
 452
 453     if (format == 'i') {
 454         int flags;
 455         flags = 0;
 456         env = mon_get_cpu();
 457         if (!env && !is_physical)
 458             return;
 459 #ifdef TARGET_I386
 460         if (wsize == 2) {
 461             flags = 1;
 462         } else if (wsize == 4) {
 463             flags = 0;
 464         } else {
 465             /* as default we use the current CS size */
 466             flags = 0;
 467             if (env) {
 468 #ifdef TARGET_X86_64
 469                 if ((env->efer & MSR_EFER_LMA) &&
 470                     (env->segs[R_CS].flags & DESC_L_MASK))
 471                     flags = 2;
 472                 else
 473 #endif
 474                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 475                     flags = 1;
 476             }
 477         }
 478 #endif
 479         monitor_disas(env, addr, count, is_physical, flags);
 480         return;
 481     }
 482
 483     len = wsize * count;
 484     if (wsize == 1)
 485         line_size = 8;
 486     else
 487         line_size = 16;
 488     nb_per_line = line_size / wsize;
 489     max_digits = 0;
 490
 491     switch(format) {
 492     case 'o':
 493         max_digits = (wsize * 8 + 2) / 3;
 494         break;
 495     default:
 496     case 'x':
 497         max_digits = (wsize * 8) / 4;
 498         break;
 499     case 'u':
 500     case 'd':
 501         max_digits = (wsize * 8 * 10 + 32) / 33;
 502         break;
 503     case 'c':
 504         wsize = 1;
 505         break;
 506     }
 507
 508     while (len > 0) {
 509         term_printf(TARGET_FMT_lx ":", addr);
 510         l = len;
 511         if (l > line_size)
 512             l = line_size;
 513         if (is_physical) {
 514             cpu_physical_memory_rw(addr, buf, l, 0);
 515         } else {
 516             env = mon_get_cpu();
 517             if (!env)
 518                 break;
 519             cpu_memory_rw_debug(env, addr, buf, l, 0);
 520         }
 521         i = 0;
 522         while (i < l) {
 523             switch(wsize) {
 524             default:
 525             case 1:
 526                 v = ldub_raw(buf + i);
 527                 break;
 528             case 2:
 529                 v = lduw_raw(buf + i);
 530                 break;
 531             case 4:
 532                 v = (uint32_t)ldl_raw(buf + i);
 533                 break;
 534             case 8:
 535                 v = ldq_raw(buf + i);
 536                 break;
 537             }
 538             term_printf(" ");
 539             switch(format) {
 540             case 'o':
 541                 term_printf("%#*" PRIo64, max_digits, v);
 542                 break;
 543             case 'x':
 544                 term_printf("0x%0*" PRIx64, max_digits, v);
 545                 break;
 546             case 'u':
 547                 term_printf("%*" PRIu64, max_digits, v);
 548                 break;
 549             case 'd':
 550                 term_printf("%*" PRId64, max_digits, v);
 551                 break;
 552             case 'c':
 553                 term_printc(v);
 554                 break;
 555             }
 556             i += wsize;
 557         }
 558         term_printf("\n");
 559         addr += l;
 560         len -= l;
 561     }
 562 }
 563
 564 #if TARGET_LONG_BITS == 64
 565 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 566 #else
 567 #define GET_TLONG(h, l) (l)
 568 #endif
 569
 570 static void do_memory_dump(int count, int format, int size,
 571                            uint32_t addrh, uint32_t addrl)
 572 {
 573     target_long addr = GET_TLONG(addrh, addrl);
 574     memory_dump(count, format, size, addr, 0);
 575 }
 576
 577 static void do_physical_memory_dump(int count, int format, int size,
 578                                     uint32_t addrh, uint32_t addrl)
 579
 580 {
 581     target_long addr = GET_TLONG(addrh, addrl);
 582     memory_dump(count, format, size, addr, 1);
 583 }
 584
 585 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 586 {
 587     target_long val = GET_TLONG(valh, vall);
 588 #if TARGET_LONG_BITS == 32
 589     switch(format) {
 590     case 'o':
 591         term_printf("%#o", val);
 592         break;
 593     case 'x':
 594         term_printf("%#x", val);
 595         break;
 596     case 'u':
 597         term_printf("%u", val);
 598         break;
 599     default:
 600     case 'd':
 601         term_printf("%d", val);
 602         break;
 603     case 'c':
 604         term_printc(val);
 605         break;
 606     }
 607 #else
 608     switch(format) {
 609     case 'o':
 610         term_printf("%#" PRIo64, val);
 611         break;
 612     case 'x':
 613         term_printf("%#" PRIx64, val);
 614         break;
 615     case 'u':
 616         term_printf("%" PRIu64, val);
 617         break;
 618     default:
 619     case 'd':
 620         term_printf("%" PRId64, val);
 621         break;
 622     case 'c':
 623         term_printc(val);
 624         break;
 625     }
 626 #endif
 627     term_printf("\n");
 628 }
 629
 630 static void do_sum(uint32_t start, uint32_t size)
 631 {
 632     uint32_t addr;
 633     uint8_t buf[1];
 634     uint16_t sum;
 635
 636     sum = 0;
 637     for(addr = start; addr < (start + size); addr++) {
 638         cpu_physical_memory_rw(addr, buf, 1, 0);
 639         /* BSD sum algorithm ('sum' Unix command) */
 640         sum = (sum >> 1) | (sum << 15);
 641         sum += buf[0];
 642     }
 643     term_printf("%05d\n", sum);
 644 }
 645
 646 typedef struct {
 647     int keycode;
 648     const char *name;
 649 } KeyDef;
 650
 651 static const KeyDef key_defs[] = {
 652     { 0x2a, "shift" },
 653     { 0x36, "shift_r" },
 654
 655     { 0x38, "alt" },
 656     { 0xb8, "alt_r" },
 657     { 0x1d, "ctrl" },
 658     { 0x9d, "ctrl_r" },
 659
 660     { 0xdd, "menu" },
 661
 662     { 0x01, "esc" },
 663
 664     { 0x02, "1" },
 665     { 0x03, "2" },
 666     { 0x04, "3" },
 667     { 0x05, "4" },
 668     { 0x06, "5" },
 669     { 0x07, "6" },
 670     { 0x08, "7" },
 671     { 0x09, "8" },
 672     { 0x0a, "9" },
 673     { 0x0b, "0" },
 674     { 0x0c, "minus" },
 675     { 0x0d, "equal" },
 676     { 0x0e, "backspace" },
 677
 678     { 0x0f, "tab" },
 679     { 0x10, "q" },
 680     { 0x11, "w" },
 681     { 0x12, "e" },
 682     { 0x13, "r" },
 683     { 0x14, "t" },
 684     { 0x15, "y" },
 685     { 0x16, "u" },
 686     { 0x17, "i" },
 687     { 0x18, "o" },
 688     { 0x19, "p" },
 689
 690     { 0x1c, "ret" },
 691
 692     { 0x1e, "a" },
 693     { 0x1f, "s" },
 694     { 0x20, "d" },
 695     { 0x21, "f" },
 696     { 0x22, "g" },
 697     { 0x23, "h" },
 698     { 0x24, "j" },
 699     { 0x25, "k" },
 700     { 0x26, "l" },
 701
 702     { 0x2c, "z" },
 703     { 0x2d, "x" },
 704     { 0x2e, "c" },
 705     { 0x2f, "v" },
 706     { 0x30, "b" },
 707     { 0x31, "n" },
 708     { 0x32, "m" },
 709
 710     { 0x39, "spc" },
 711     { 0x3a, "caps_lock" },
 712     { 0x3b, "f1" },
 713     { 0x3c, "f2" },
 714     { 0x3d, "f3" },
 715     { 0x3e, "f4" },
 716     { 0x3f, "f5" },
 717     { 0x40, "f6" },
 718     { 0x41, "f7" },
 719     { 0x42, "f8" },
 720     { 0x43, "f9" },
 721     { 0x44, "f10" },
 722     { 0x45, "num_lock" },
 723     { 0x46, "scroll_lock" },
 724
 725     { 0xb5, "kp_divide" },
 726     { 0x37, "kp_multiply" },
 727     { 0x4a, "kp_substract" },
 728     { 0x4e, "kp_add" },
 729     { 0x9c, "kp_enter" },
 730     { 0x53, "kp_decimal" },
 731
 732     { 0x52, "kp_0" },
 733     { 0x4f, "kp_1" },
 734     { 0x50, "kp_2" },
 735     { 0x51, "kp_3" },
 736     { 0x4b, "kp_4" },
 737     { 0x4c, "kp_5" },
 738     { 0x4d, "kp_6" },
 739     { 0x47, "kp_7" },
 740     { 0x48, "kp_8" },
 741     { 0x49, "kp_9" },
 742
 743     { 0x56, "<" },
 744
 745     { 0x57, "f11" },
 746     { 0x58, "f12" },
 747
 748     { 0xb7, "print" },
 749
 750     { 0xc7, "home" },
 751     { 0xc9, "pgup" },
 752     { 0xd1, "pgdn" },
 753     { 0xcf, "end" },
 754
 755     { 0xcb, "left" },
 756     { 0xc8, "up" },
 757     { 0xd0, "down" },
 758     { 0xcd, "right" },
 759
 760     { 0xd2, "insert" },
 761     { 0xd3, "delete" },
 762     { 0, NULL },
 763 };
 764
 765 static int get_keycode(const char *key)
 766 {
 767     const KeyDef *p;
 768     char *endp;
 769     int ret;
 770
 771     for(p = key_defs; p->name != NULL; p++) {
 772         if (!strcmp(key, p->name))
 773             return p->keycode;
 774     }
 775     if (strstart(key, "0x", NULL)) {
 776         ret = strtoul(key, &endp, 0);
 777         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 778             return ret;
 779     }
 780     return -1;
 781 }
 782
 783 static void do_send_key(const char *string)
 784 {
 785     char keybuf[16], *q;
 786     uint8_t keycodes[16];
 787     const char *p;
 788     int nb_keycodes, keycode, i;
 789
 790     nb_keycodes = 0;
 791     p = string;
 792     while (*p != '\0') {
 793         q = keybuf;
 794         while (*p != '\0' && *p != '-') {
 795             if ((q - keybuf) < sizeof(keybuf) - 1) {
 796                 *q++ = *p;
 797             }
 798             p++;
 799         }
 800         *q = '\0';
 801         keycode = get_keycode(keybuf);
 802         if (keycode < 0) {
 803             term_printf("unknown key: '%s'\n", keybuf);
 804             return;
 805         }
 806         keycodes[nb_keycodes++] = keycode;
 807         if (*p == '\0')
 808             break;
 809         p++;
 810     }
 811     /* key down events */
 812     for(i = 0; i < nb_keycodes; i++) {
 813         keycode = keycodes[i];
 814         if (keycode & 0x80)
 815             kbd_put_keycode(0xe0);
 816         kbd_put_keycode(keycode & 0x7f);
 817     }
 818     /* key up events */
 819     for(i = nb_keycodes - 1; i >= 0; i--) {
 820         keycode = keycodes[i];
 821         if (keycode & 0x80)
 822             kbd_put_keycode(0xe0);
 823         kbd_put_keycode(keycode | 0x80);
 824     }
 825 }
 826
 827 static int mouse_button_state;
 828
 829 static void do_mouse_move(const char *dx_str, const char *dy_str,
 830                           const char *dz_str)
 831 {
 832     int dx, dy, dz;
 833     dx = strtol(dx_str, NULL, 0);
 834     dy = strtol(dy_str, NULL, 0);
 835     dz = 0;
 836     if (dz_str)
 837         dz = strtol(dz_str, NULL, 0);
 838     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 839 }
 840
 841 static void do_mouse_button(int button_state)
 842 {
 843     mouse_button_state = button_state;
 844     kbd_mouse_event(0, 0, 0, mouse_button_state);
 845 }
 846
 847 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 848 {
 849     uint32_t val;
 850     int suffix;
 851
 852     if (has_index) {
 853         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 854         addr++;
 855     }
 856     addr &= 0xffff;
 857
 858     switch(size) {
 859     default:
 860     case 1:
 861         val = cpu_inb(NULL, addr);
 862         suffix = 'b';
 863         break;
 864     case 2:
 865         val = cpu_inw(NULL, addr);
 866         suffix = 'w';
 867         break;
 868     case 4:
 869         val = cpu_inl(NULL, addr);
 870         suffix = 'l';
 871         break;
 872     }
 873     term_printf("port%c[0x%04x] = %#0*x\n",
 874                 suffix, addr, size * 2, val);
 875 }
 876
 877 static void do_system_reset(void)
 878 {
 879     qemu_system_reset_request();
 880 }
 881
 882 static void do_system_powerdown(void)
 883 {
 884     qemu_system_powerdown_request();
 885 }
 886
 887 #if defined(TARGET_I386)
 888 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 889 {
 890     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 891                 addr,
 892                 pte & mask,
 893                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 894                 pte & PG_PSE_MASK ? 'P' : '-',
 895                 pte & PG_DIRTY_MASK ? 'D' : '-',
 896                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 897                 pte & PG_PCD_MASK ? 'C' : '-',
 898                 pte & PG_PWT_MASK ? 'T' : '-',
 899                 pte & PG_USER_MASK ? 'U' : '-',
 900                 pte & PG_RW_MASK ? 'W' : '-');
 901 }
 902
 903 static void tlb_info(void)
 904 {
 905     CPUState *env;
 906     int l1, l2;
 907     uint32_t pgd, pde, pte;
 908
 909     env = mon_get_cpu();
 910     if (!env)
 911         return;
 912
 913     if (!(env->cr[0] & CR0_PG_MASK)) {
 914         term_printf("PG disabled\n");
 915         return;
 916     }
 917     pgd = env->cr[3] & ~0xfff;
 918     for(l1 = 0; l1 < 1024; l1++) {
 919         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 920         pde = le32_to_cpu(pde);
 921         if (pde & PG_PRESENT_MASK) {
 922             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 923                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 924             } else {
 925                 for(l2 = 0; l2 < 1024; l2++) {
 926                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 927                                              (uint8_t *)&pte, 4);
 928                     pte = le32_to_cpu(pte);
 929                     if (pte & PG_PRESENT_MASK) {
 930                         print_pte((l1 << 22) + (l2 << 12),
 931                                   pte & ~PG_PSE_MASK,
 932                                   ~0xfff);
 933                     }
 934                 }
 935             }
 936         }
 937     }
 938 }
 939
 940 static void mem_print(uint32_t *pstart, int *plast_prot,
 941                       uint32_t end, int prot)
 942 {
 943     int prot1;
 944     prot1 = *plast_prot;
 945     if (prot != prot1) {
 946         if (*pstart != -1) {
 947             term_printf("%08x-%08x %08x %c%c%c\n",
 948                         *pstart, end, end - *pstart,
 949                         prot1 & PG_USER_MASK ? 'u' : '-',
 950                         'r',
 951                         prot1 & PG_RW_MASK ? 'w' : '-');
 952         }
 953         if (prot != 0)
 954             *pstart = end;
 955         else
 956             *pstart = -1;
 957         *plast_prot = prot;
 958     }
 959 }
 960
 961 static void mem_info(void)
 962 {
 963     CPUState *env;
 964     int l1, l2, prot, last_prot;
 965     uint32_t pgd, pde, pte, start, end;
 966
 967     env = mon_get_cpu();
 968     if (!env)
 969         return;
 970
 971     if (!(env->cr[0] & CR0_PG_MASK)) {
 972         term_printf("PG disabled\n");
 973         return;
 974     }
 975     pgd = env->cr[3] & ~0xfff;
 976     last_prot = 0;
 977     start = -1;
 978     for(l1 = 0; l1 < 1024; l1++) {
 979         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 980         pde = le32_to_cpu(pde);
 981         end = l1 << 22;
 982         if (pde & PG_PRESENT_MASK) {
 983             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 984                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 985                 mem_print(&start, &last_prot, end, prot);
 986             } else {
 987                 for(l2 = 0; l2 < 1024; l2++) {
 988                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 989                                              (uint8_t *)&pte, 4);
 990                     pte = le32_to_cpu(pte);
 991                     end = (l1 << 22) + (l2 << 12);
 992                     if (pte & PG_PRESENT_MASK) {
 993                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
 994                     } else {
 995                         prot = 0;
 996                     }
 997                     mem_print(&start, &last_prot, end, prot);
 998                 }
 999             }
1000         } else {
1001             prot = 0;
1002             mem_print(&start, &last_prot, end, prot);
1003         }
1004     }
1005 }
1006 #endif
1007
1008 static void do_info_kqemu(void)
1009 {
1010 #ifdef USE_KQEMU
1011     CPUState *env;
1012     int val;
1013     val = 0;
1014     env = mon_get_cpu();
1015     if (!env) {
1016         term_printf("No cpu initialized yet");
1017         return;
1018     }
1019     val = env->kqemu_enabled;
1020     term_printf("kqemu support: ");
1021     switch(val) {
1022     default:
1023     case 0:
1024         term_printf("disabled\n");
1025         break;
1026     case 1:
1027         term_printf("enabled for user code\n");
1028         break;
1029     case 2:
1030         term_printf("enabled for user and kernel code\n");
1031         break;
1032     }
1033 #else
1034     term_printf("kqemu support: not compiled\n");
1035 #endif
1036 }
1037
1038 #ifdef CONFIG_PROFILER
1039
1040 int64_t kqemu_time;
1041 int64_t qemu_time;
1042 int64_t kqemu_exec_count;
1043 int64_t dev_time;
1044 int64_t kqemu_ret_int_count;
1045 int64_t kqemu_ret_excp_count;
1046 int64_t kqemu_ret_intr_count;
1047
1048 static void do_info_profile(void)
1049 {
1050     int64_t total;
1051     total = qemu_time;
1052     if (total == 0)
1053         total = 1;
1054     term_printf("async time  %" PRId64 " (%0.3f)\n",
1055                 dev_time, dev_time / (double)ticks_per_sec);
1056     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1057                 qemu_time, qemu_time / (double)ticks_per_sec);
1058     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1059                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1060                 kqemu_time / (double)total * 100.0,
1061                 kqemu_exec_count,
1062                 kqemu_ret_int_count,
1063                 kqemu_ret_excp_count,
1064                 kqemu_ret_intr_count);
1065     qemu_time = 0;
1066     kqemu_time = 0;
1067     kqemu_exec_count = 0;
1068     dev_time = 0;
1069     kqemu_ret_int_count = 0;
1070     kqemu_ret_excp_count = 0;
1071     kqemu_ret_intr_count = 0;
1072 #ifdef USE_KQEMU
1073     kqemu_record_dump();
1074 #endif
1075 }
1076 #else
1077 static void do_info_profile(void)
1078 {
1079     term_printf("Internal profiler not compiled\n");
1080 }
1081 #endif
1082
1083 /* Capture support */
1084 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1085
1086 static void do_info_capture (void)
1087 {
1088     int i;
1089     CaptureState *s;
1090
1091     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1092         term_printf ("[%d]: ", i);
1093         s->ops.info (s->opaque);
1094     }
1095 }
1096
1097 static void do_stop_capture (int n)
1098 {
1099     int i;
1100     CaptureState *s;
1101
1102     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1103         if (i == n) {
1104             s->ops.destroy (s->opaque);
1105             LIST_REMOVE (s, entries);
1106             qemu_free (s);
1107             return;
1108         }
1109     }
1110 }
1111
1112 #ifdef HAS_AUDIO
1113 int wav_start_capture (CaptureState *s, const char *path, int freq,
1114                        int bits, int nchannels);
1115
1116 static void do_wav_capture (const char *path,
1117                             int has_freq, int freq,
1118                             int has_bits, int bits,
1119                             int has_channels, int nchannels)
1120 {
1121     CaptureState *s;
1122
1123     s = qemu_mallocz (sizeof (*s));
1124     if (!s) {
1125         term_printf ("Not enough memory to add wave capture\n");
1126         return;
1127     }
1128
1129     freq = has_freq ? freq : 44100;
1130     bits = has_bits ? bits : 16;
1131     nchannels = has_channels ? nchannels : 2;
1132
1133     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1134         term_printf ("Faied to add wave capture\n");
1135         qemu_free (s);
1136     }
1137     LIST_INSERT_HEAD (&capture_head, s, entries);
1138 }
1139 #endif
1140
1141 static term_cmd_t term_cmds[] = {
1142     { "help|?", "s?", do_help,
1143       "[cmd]", "show the help" },
1144     { "commit", "s", do_commit,
1145       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1146     { "info", "s?", do_info,
1147       "subcommand", "show various information about the system state" },
1148     { "q|quit", "", do_quit,
1149       "", "quit the emulator" },
1150     { "eject", "-fB", do_eject,
1151       "[-f] device", "eject a removable media (use -f to force it)" },
1152     { "change", "BF", do_change,
1153       "device filename", "change a removable media" },
1154     { "screendump", "F", do_screen_dump,
1155       "filename", "save screen into PPM image 'filename'" },
1156     { "log", "s", do_log,
1157       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1158     { "savevm", "F", do_savevm,
1159       "filename", "save the whole virtual machine state to 'filename'" },
1160     { "loadvm", "F", do_loadvm,
1161       "filename", "restore the whole virtual machine state from 'filename'" },
1162     { "stop", "", do_stop,
1163       "", "stop emulation", },
1164     { "c|cont", "", do_cont,
1165       "", "resume emulation", },
1166 #ifdef CONFIG_GDBSTUB
1167     { "gdbserver", "i?", do_gdbserver,
1168       "[port]", "start gdbserver session (default port=1234)", },
1169 #endif
1170     { "x", "/l", do_memory_dump,
1171       "/fmt addr", "virtual memory dump starting at 'addr'", },
1172     { "xp", "/l", do_physical_memory_dump,
1173       "/fmt addr", "physical memory dump starting at 'addr'", },
1174     { "p|print", "/l", do_print,
1175       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1176     { "i", "/ii.", do_ioport_read,
1177       "/fmt addr", "I/O port read" },
1178
1179     { "sendkey", "s", do_send_key,
1180       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1181     { "system_reset", "", do_system_reset,
1182       "", "reset the system" },
1183     { "system_powerdown", "", do_system_powerdown,
1184       "", "send system power down event" },
1185     { "sum", "ii", do_sum,
1186       "addr size", "compute the checksum of a memory region" },
1187     { "usb_add", "s", do_usb_add,
1188       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1189     { "usb_del", "s", do_usb_del,
1190       "device", "remove USB device 'bus.addr'" },
1191     { "cpu", "i", do_cpu_set,
1192       "index", "set the default CPU" },
1193     { "mouse_move", "sss?", do_mouse_move,
1194       "dx dy [dz]", "send mouse move events" },
1195     { "mouse_button", "i", do_mouse_button,
1196       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1197 #ifdef HAS_AUDIO
1198     { "wavcapture", "si?i?i?", do_wav_capture,
1199       "path [frequency bits channels]",
1200       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1201 #endif
1202      { "stopcapture", "i", do_stop_capture,
1203        "capture index", "stop capture" },
1204     { NULL, NULL, },
1205 };
1206
1207 static term_cmd_t info_cmds[] = {
1208     { "version", "", do_info_version,
1209       "", "show the version of qemu" },
1210     { "network", "", do_info_network,
1211       "", "show the network state" },
1212     { "block", "", do_info_block,
1213       "", "show the block devices" },
1214     { "registers", "", do_info_registers,
1215       "", "show the cpu registers" },
1216     { "cpus", "", do_info_cpus,
1217       "", "show infos for each CPU" },
1218     { "history", "", do_info_history,
1219       "", "show the command line history", },
1220     { "irq", "", irq_info,
1221       "", "show the interrupts statistics (if available)", },
1222     { "pic", "", pic_info,
1223       "", "show i8259 (PIC) state", },
1224     { "pci", "", pci_info,
1225       "", "show PCI info", },
1226 #if defined(TARGET_I386)
1227     { "tlb", "", tlb_info,
1228       "", "show virtual to physical memory mappings", },
1229     { "mem", "", mem_info,
1230       "", "show the active virtual memory mappings", },
1231 #endif
1232     { "jit", "", do_info_jit,
1233       "", "show dynamic compiler info", },
1234     { "kqemu", "", do_info_kqemu,
1235       "", "show kqemu information", },
1236     { "usb", "", usb_info,
1237       "", "show guest USB devices", },
1238     { "usbhost", "", usb_host_info,
1239       "", "show host USB devices", },
1240     { "profile", "", do_info_profile,
1241       "", "show profiling information", },
1242     { "capture", "", do_info_capture,
1243       "show capture information" },
1244     { NULL, NULL, },
1245 };
1246
1247 /*******************************************************************/
1248
1249 static const char *pch;
1250 static jmp_buf expr_env;
1251
1252 #define MD_TLONG 0
1253 #define MD_I32   1
1254
1255 typedef struct MonitorDef {
1256     const char *name;
1257     int offset;
1258     target_long (*get_value)(struct MonitorDef *md, int val);
1259     int type;
1260 } MonitorDef;
1261
1262 #if defined(TARGET_I386)
1263 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1264 {
1265     CPUState *env = mon_get_cpu();
1266     if (!env)
1267         return 0;
1268     return env->eip + env->segs[R_CS].base;
1269 }
1270 #endif
1271
1272 #if defined(TARGET_PPC)
1273 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1274 {
1275     CPUState *env = mon_get_cpu();
1276     unsigned int u;
1277     int i;
1278
1279     if (!env)
1280         return 0;
1281
1282     u = 0;
1283     for (i = 0; i < 8; i++)
1284         u |= env->crf[i] << (32 - (4 * i));
1285
1286     return u;
1287 }
1288
1289 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1290 {
1291     CPUState *env = mon_get_cpu();
1292     if (!env)
1293         return 0;
1294     return (env->msr[MSR_POW] << MSR_POW) |
1295         (env->msr[MSR_ILE] << MSR_ILE) |
1296         (env->msr[MSR_EE] << MSR_EE) |
1297         (env->msr[MSR_PR] << MSR_PR) |
1298         (env->msr[MSR_FP] << MSR_FP) |
1299         (env->msr[MSR_ME] << MSR_ME) |
1300         (env->msr[MSR_FE0] << MSR_FE0) |
1301         (env->msr[MSR_SE] << MSR_SE) |
1302         (env->msr[MSR_BE] << MSR_BE) |
1303         (env->msr[MSR_FE1] << MSR_FE1) |
1304         (env->msr[MSR_IP] << MSR_IP) |
1305         (env->msr[MSR_IR] << MSR_IR) |
1306         (env->msr[MSR_DR] << MSR_DR) |
1307         (env->msr[MSR_RI] << MSR_RI) |
1308         (env->msr[MSR_LE] << MSR_LE);
1309 }
1310
1311 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1312 {
1313     CPUState *env = mon_get_cpu();
1314     if (!env)
1315         return 0;
1316     return (env->xer[XER_SO] << XER_SO) |
1317         (env->xer[XER_OV] << XER_OV) |
1318         (env->xer[XER_CA] << XER_CA) |
1319         (env->xer[XER_BC] << XER_BC);
1320 }
1321
1322 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1323 {
1324     CPUState *env = mon_get_cpu();
1325     if (!env)
1326         return 0;
1327     return cpu_ppc_load_decr(env);
1328 }
1329
1330 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1331 {
1332     CPUState *env = mon_get_cpu();
1333     if (!env)
1334         return 0;
1335     return cpu_ppc_load_tbu(env);
1336 }
1337
1338 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1339 {
1340     CPUState *env = mon_get_cpu();
1341     if (!env)
1342         return 0;
1343     return cpu_ppc_load_tbl(env);
1344 }
1345 #endif
1346
1347 #if defined(TARGET_SPARC)
1348 #ifndef TARGET_SPARC64
1349 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1350 {
1351     CPUState *env = mon_get_cpu();
1352     if (!env)
1353         return 0;
1354     return GET_PSR(env);
1355 }
1356 #endif
1357
1358 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1359 {
1360     CPUState *env = mon_get_cpu();
1361     if (!env)
1362         return 0;
1363     return env->regwptr[val];
1364 }
1365 #endif
1366
1367 static MonitorDef monitor_defs[] = {
1368 #ifdef TARGET_I386
1369
1370 #define SEG(name, seg) \
1371     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1372     { name ".base", offsetof(CPUState, segs[seg].base) },\
1373     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1374
1375     { "eax", offsetof(CPUState, regs[0]) },
1376     { "ecx", offsetof(CPUState, regs[1]) },
1377     { "edx", offsetof(CPUState, regs[2]) },
1378     { "ebx", offsetof(CPUState, regs[3]) },
1379     { "esp|sp", offsetof(CPUState, regs[4]) },
1380     { "ebp|fp", offsetof(CPUState, regs[5]) },
1381     { "esi", offsetof(CPUState, regs[6]) },
1382     { "edi", offsetof(CPUState, regs[7]) },
1383 #ifdef TARGET_X86_64
1384     { "r8", offsetof(CPUState, regs[8]) },
1385     { "r9", offsetof(CPUState, regs[9]) },
1386     { "r10", offsetof(CPUState, regs[10]) },
1387     { "r11", offsetof(CPUState, regs[11]) },
1388     { "r12", offsetof(CPUState, regs[12]) },
1389     { "r13", offsetof(CPUState, regs[13]) },
1390     { "r14", offsetof(CPUState, regs[14]) },
1391     { "r15", offsetof(CPUState, regs[15]) },
1392 #endif
1393     { "eflags", offsetof(CPUState, eflags) },
1394     { "eip", offsetof(CPUState, eip) },
1395     SEG("cs", R_CS)
1396     SEG("ds", R_DS)
1397     SEG("es", R_ES)
1398     SEG("ss", R_SS)
1399     SEG("fs", R_FS)
1400     SEG("gs", R_GS)
1401     { "pc", 0, monitor_get_pc, },
1402 #elif defined(TARGET_PPC)
1403     { "r0", offsetof(CPUState, gpr[0]) },
1404     { "r1", offsetof(CPUState, gpr[1]) },
1405     { "r2", offsetof(CPUState, gpr[2]) },
1406     { "r3", offsetof(CPUState, gpr[3]) },
1407     { "r4", offsetof(CPUState, gpr[4]) },
1408     { "r5", offsetof(CPUState, gpr[5]) },
1409     { "r6", offsetof(CPUState, gpr[6]) },
1410     { "r7", offsetof(CPUState, gpr[7]) },
1411     { "r8", offsetof(CPUState, gpr[8]) },
1412     { "r9", offsetof(CPUState, gpr[9]) },
1413     { "r10", offsetof(CPUState, gpr[10]) },
1414     { "r11", offsetof(CPUState, gpr[11]) },
1415     { "r12", offsetof(CPUState, gpr[12]) },
1416     { "r13", offsetof(CPUState, gpr[13]) },
1417     { "r14", offsetof(CPUState, gpr[14]) },
1418     { "r15", offsetof(CPUState, gpr[15]) },
1419     { "r16", offsetof(CPUState, gpr[16]) },
1420     { "r17", offsetof(CPUState, gpr[17]) },
1421     { "r18", offsetof(CPUState, gpr[18]) },
1422     { "r19", offsetof(CPUState, gpr[19]) },
1423     { "r20", offsetof(CPUState, gpr[20]) },
1424     { "r21", offsetof(CPUState, gpr[21]) },
1425     { "r22", offsetof(CPUState, gpr[22]) },
1426     { "r23", offsetof(CPUState, gpr[23]) },
1427     { "r24", offsetof(CPUState, gpr[24]) },
1428     { "r25", offsetof(CPUState, gpr[25]) },
1429     { "r26", offsetof(CPUState, gpr[26]) },
1430     { "r27", offsetof(CPUState, gpr[27]) },
1431     { "r28", offsetof(CPUState, gpr[28]) },
1432     { "r29", offsetof(CPUState, gpr[29]) },
1433     { "r30", offsetof(CPUState, gpr[30]) },
1434     { "r31", offsetof(CPUState, gpr[31]) },
1435     { "nip|pc", offsetof(CPUState, nip) },
1436     { "lr", offsetof(CPUState, lr) },
1437     { "ctr", offsetof(CPUState, ctr) },
1438     { "decr", 0, &monitor_get_decr, },
1439     { "ccr", 0, &monitor_get_ccr, },
1440     { "msr", 0, &monitor_get_msr, },
1441     { "xer", 0, &monitor_get_xer, },
1442     { "tbu", 0, &monitor_get_tbu, },
1443     { "tbl", 0, &monitor_get_tbl, },
1444     { "sdr1", offsetof(CPUState, sdr1) },
1445     { "sr0", offsetof(CPUState, sr[0]) },
1446     { "sr1", offsetof(CPUState, sr[1]) },
1447     { "sr2", offsetof(CPUState, sr[2]) },
1448     { "sr3", offsetof(CPUState, sr[3]) },
1449     { "sr4", offsetof(CPUState, sr[4]) },
1450     { "sr5", offsetof(CPUState, sr[5]) },
1451     { "sr6", offsetof(CPUState, sr[6]) },
1452     { "sr7", offsetof(CPUState, sr[7]) },
1453     { "sr8", offsetof(CPUState, sr[8]) },
1454     { "sr9", offsetof(CPUState, sr[9]) },
1455     { "sr10", offsetof(CPUState, sr[10]) },
1456     { "sr11", offsetof(CPUState, sr[11]) },
1457     { "sr12", offsetof(CPUState, sr[12]) },
1458     { "sr13", offsetof(CPUState, sr[13]) },
1459     { "sr14", offsetof(CPUState, sr[14]) },
1460     { "sr15", offsetof(CPUState, sr[15]) },
1461     /* Too lazy to put BATs and SPRs ... */
1462 #elif defined(TARGET_SPARC)
1463     { "g0", offsetof(CPUState, gregs[0]) },
1464     { "g1", offsetof(CPUState, gregs[1]) },
1465     { "g2", offsetof(CPUState, gregs[2]) },
1466     { "g3", offsetof(CPUState, gregs[3]) },
1467     { "g4", offsetof(CPUState, gregs[4]) },
1468     { "g5", offsetof(CPUState, gregs[5]) },
1469     { "g6", offsetof(CPUState, gregs[6]) },
1470     { "g7", offsetof(CPUState, gregs[7]) },
1471     { "o0", 0, monitor_get_reg },
1472     { "o1", 1, monitor_get_reg },
1473     { "o2", 2, monitor_get_reg },
1474     { "o3", 3, monitor_get_reg },
1475     { "o4", 4, monitor_get_reg },
1476     { "o5", 5, monitor_get_reg },
1477     { "o6", 6, monitor_get_reg },
1478     { "o7", 7, monitor_get_reg },
1479     { "l0", 8, monitor_get_reg },
1480     { "l1", 9, monitor_get_reg },
1481     { "l2", 10, monitor_get_reg },
1482     { "l3", 11, monitor_get_reg },
1483     { "l4", 12, monitor_get_reg },
1484     { "l5", 13, monitor_get_reg },
1485     { "l6", 14, monitor_get_reg },
1486     { "l7", 15, monitor_get_reg },
1487     { "i0", 16, monitor_get_reg },
1488     { "i1", 17, monitor_get_reg },
1489     { "i2", 18, monitor_get_reg },
1490     { "i3", 19, monitor_get_reg },
1491     { "i4", 20, monitor_get_reg },
1492     { "i5", 21, monitor_get_reg },
1493     { "i6", 22, monitor_get_reg },
1494     { "i7", 23, monitor_get_reg },
1495     { "pc", offsetof(CPUState, pc) },
1496     { "npc", offsetof(CPUState, npc) },
1497     { "y", offsetof(CPUState, y) },
1498 #ifndef TARGET_SPARC64
1499     { "psr", 0, &monitor_get_psr, },
1500     { "wim", offsetof(CPUState, wim) },
1501 #endif
1502     { "tbr", offsetof(CPUState, tbr) },
1503     { "fsr", offsetof(CPUState, fsr) },
1504     { "f0", offsetof(CPUState, fpr[0]) },
1505     { "f1", offsetof(CPUState, fpr[1]) },
1506     { "f2", offsetof(CPUState, fpr[2]) },
1507     { "f3", offsetof(CPUState, fpr[3]) },
1508     { "f4", offsetof(CPUState, fpr[4]) },
1509     { "f5", offsetof(CPUState, fpr[5]) },
1510     { "f6", offsetof(CPUState, fpr[6]) },
1511     { "f7", offsetof(CPUState, fpr[7]) },
1512     { "f8", offsetof(CPUState, fpr[8]) },
1513     { "f9", offsetof(CPUState, fpr[9]) },
1514     { "f10", offsetof(CPUState, fpr[10]) },
1515     { "f11", offsetof(CPUState, fpr[11]) },
1516     { "f12", offsetof(CPUState, fpr[12]) },
1517     { "f13", offsetof(CPUState, fpr[13]) },
1518     { "f14", offsetof(CPUState, fpr[14]) },
1519     { "f15", offsetof(CPUState, fpr[15]) },
1520     { "f16", offsetof(CPUState, fpr[16]) },
1521     { "f17", offsetof(CPUState, fpr[17]) },
1522     { "f18", offsetof(CPUState, fpr[18]) },
1523     { "f19", offsetof(CPUState, fpr[19]) },
1524     { "f20", offsetof(CPUState, fpr[20]) },
1525     { "f21", offsetof(CPUState, fpr[21]) },
1526     { "f22", offsetof(CPUState, fpr[22]) },
1527     { "f23", offsetof(CPUState, fpr[23]) },
1528     { "f24", offsetof(CPUState, fpr[24]) },
1529     { "f25", offsetof(CPUState, fpr[25]) },
1530     { "f26", offsetof(CPUState, fpr[26]) },
1531     { "f27", offsetof(CPUState, fpr[27]) },
1532     { "f28", offsetof(CPUState, fpr[28]) },
1533     { "f29", offsetof(CPUState, fpr[29]) },
1534     { "f30", offsetof(CPUState, fpr[30]) },
1535     { "f31", offsetof(CPUState, fpr[31]) },
1536 #ifdef TARGET_SPARC64
1537     { "f32", offsetof(CPUState, fpr[32]) },
1538     { "f34", offsetof(CPUState, fpr[34]) },
1539     { "f36", offsetof(CPUState, fpr[36]) },
1540     { "f38", offsetof(CPUState, fpr[38]) },
1541     { "f40", offsetof(CPUState, fpr[40]) },
1542     { "f42", offsetof(CPUState, fpr[42]) },
1543     { "f44", offsetof(CPUState, fpr[44]) },
1544     { "f46", offsetof(CPUState, fpr[46]) },
1545     { "f48", offsetof(CPUState, fpr[48]) },
1546     { "f50", offsetof(CPUState, fpr[50]) },
1547     { "f52", offsetof(CPUState, fpr[52]) },
1548     { "f54", offsetof(CPUState, fpr[54]) },
1549     { "f56", offsetof(CPUState, fpr[56]) },
1550     { "f58", offsetof(CPUState, fpr[58]) },
1551     { "f60", offsetof(CPUState, fpr[60]) },
1552     { "f62", offsetof(CPUState, fpr[62]) },
1553     { "asi", offsetof(CPUState, asi) },
1554     { "pstate", offsetof(CPUState, pstate) },
1555     { "cansave", offsetof(CPUState, cansave) },
1556     { "canrestore", offsetof(CPUState, canrestore) },
1557     { "otherwin", offsetof(CPUState, otherwin) },
1558     { "wstate", offsetof(CPUState, wstate) },
1559     { "cleanwin", offsetof(CPUState, cleanwin) },
1560     { "fprs", offsetof(CPUState, fprs) },
1561 #endif
1562 #endif
1563     { NULL },
1564 };
1565
1566 static void expr_error(const char *fmt)
1567 {
1568     term_printf(fmt);
1569     term_printf("\n");
1570     longjmp(expr_env, 1);
1571 }
1572
1573 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1574 static int get_monitor_def(target_long *pval, const char *name)
1575 {
1576     MonitorDef *md;
1577     void *ptr;
1578
1579     for(md = monitor_defs; md->name != NULL; md++) {
1580         if (compare_cmd(name, md->name)) {
1581             if (md->get_value) {
1582                 *pval = md->get_value(md, md->offset);
1583             } else {
1584                 CPUState *env = mon_get_cpu();
1585                 if (!env)
1586                     return -2;
1587                 ptr = (uint8_t *)env + md->offset;
1588                 switch(md->type) {
1589                 case MD_I32:
1590                     *pval = *(int32_t *)ptr;
1591                     break;
1592                 case MD_TLONG:
1593                     *pval = *(target_long *)ptr;
1594                     break;
1595                 default:
1596                     *pval = 0;
1597                     break;
1598                 }
1599             }
1600             return 0;
1601         }
1602     }
1603     return -1;
1604 }
1605
1606 static void next(void)
1607 {
1608     if (pch != '\0') {
1609         pch++;
1610         while (isspace(*pch))
1611             pch++;
1612     }
1613 }
1614
1615 static target_long expr_sum(void);
1616
1617 static target_long expr_unary(void)
1618 {
1619     target_long n;
1620     char *p;
1621     int ret;
1622
1623     switch(*pch) {
1624     case '+':
1625         next();
1626         n = expr_unary();
1627         break;
1628     case '-':
1629         next();
1630         n = -expr_unary();
1631         break;
1632     case '~':
1633         next();
1634         n = ~expr_unary();
1635         break;
1636     case '(':
1637         next();
1638         n = expr_sum();
1639         if (*pch != ')') {
1640             expr_error("')' expected");
1641         }
1642         next();
1643         break;
1644     case '\'':
1645         pch++;
1646         if (*pch == '\0')
1647             expr_error("character constant expected");
1648         n = *pch;
1649         pch++;
1650         if (*pch != '\'')
1651             expr_error("missing terminating \' character");
1652         next();
1653         break;
1654     case '$':
1655         {
1656             char buf[128], *q;
1657
1658             pch++;
1659             q = buf;
1660             while ((*pch >= 'a' && *pch <= 'z') ||
1661                    (*pch >= 'A' && *pch <= 'Z') ||
1662                    (*pch >= '0' && *pch <= '9') ||
1663                    *pch == '_' || *pch == '.') {
1664                 if ((q - buf) < sizeof(buf) - 1)
1665                     *q++ = *pch;
1666                 pch++;
1667             }
1668             while (isspace(*pch))
1669                 pch++;
1670             *q = 0;
1671             ret = get_monitor_def(&n, buf);
1672             if (ret == -1)
1673                 expr_error("unknown register");
1674             else if (ret == -2)
1675                 expr_error("no cpu defined");
1676         }
1677         break;
1678     case '\0':
1679         expr_error("unexpected end of expression");
1680         n = 0;
1681         break;
1682     default:
1683 #if TARGET_LONG_BITS == 64
1684         n = strtoull(pch, &p, 0);
1685 #else
1686         n = strtoul(pch, &p, 0);
1687 #endif
1688         if (pch == p) {
1689             expr_error("invalid char in expression");
1690         }
1691         pch = p;
1692         while (isspace(*pch))
1693             pch++;
1694         break;
1695     }
1696     return n;
1697 }
1698
1699
1700 static target_long expr_prod(void)
1701 {
1702     target_long val, val2;
1703     int op;
1704
1705     val = expr_unary();
1706     for(;;) {
1707         op = *pch;
1708         if (op != '*' && op != '/' && op != '%')
1709             break;
1710         next();
1711         val2 = expr_unary();
1712         switch(op) {
1713         default:
1714         case '*':
1715             val *= val2;
1716             break;
1717         case '/':
1718         case '%':
1719             if (val2 == 0)
1720                 expr_error("division by zero");
1721             if (op == '/')
1722                 val /= val2;
1723             else
1724                 val %= val2;
1725             break;
1726         }
1727     }
1728     return val;
1729 }
1730
1731 static target_long expr_logic(void)
1732 {
1733     target_long val, val2;
1734     int op;
1735
1736     val = expr_prod();
1737     for(;;) {
1738         op = *pch;
1739         if (op != '&' && op != '|' && op != '^')
1740             break;
1741         next();
1742         val2 = expr_prod();
1743         switch(op) {
1744         default:
1745         case '&':
1746             val &= val2;
1747             break;
1748         case '|':
1749             val |= val2;
1750             break;
1751         case '^':
1752             val ^= val2;
1753             break;
1754         }
1755     }
1756     return val;
1757 }
1758
1759 static target_long expr_sum(void)
1760 {
1761     target_long val, val2;
1762     int op;
1763
1764     val = expr_logic();
1765     for(;;) {
1766         op = *pch;
1767         if (op != '+' && op != '-')
1768             break;
1769         next();
1770         val2 = expr_logic();
1771         if (op == '+')
1772             val += val2;
1773         else
1774             val -= val2;
1775     }
1776     return val;
1777 }
1778
1779 static int get_expr(target_long *pval, const char **pp)
1780 {
1781     pch = *pp;
1782     if (setjmp(expr_env)) {
1783         *pp = pch;
1784         return -1;
1785     }
1786     while (isspace(*pch))
1787         pch++;
1788     *pval = expr_sum();
1789     *pp = pch;
1790     return 0;
1791 }
1792
1793 static int get_str(char *buf, int buf_size, const char **pp)
1794 {
1795     const char *p;
1796     char *q;
1797     int c;
1798
1799     q = buf;
1800     p = *pp;
1801     while (isspace(*p))
1802         p++;
1803     if (*p == '\0') {
1804     fail:
1805         *q = '\0';
1806         *pp = p;
1807         return -1;
1808     }
1809     if (*p == '\"') {
1810         p++;
1811         while (*p != '\0' && *p != '\"') {
1812             if (*p == '\\') {
1813                 p++;
1814                 c = *p++;
1815                 switch(c) {
1816                 case 'n':
1817                     c = '\n';
1818                     break;
1819                 case 'r':
1820                     c = '\r';
1821                     break;
1822                 case '\\':
1823                 case '\'':
1824                 case '\"':
1825                     break;
1826                 default:
1827                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1828                     goto fail;
1829                 }
1830                 if ((q - buf) < buf_size - 1) {
1831                     *q++ = c;
1832                 }
1833             } else {
1834                 if ((q - buf) < buf_size - 1) {
1835                     *q++ = *p;
1836                 }
1837                 p++;
1838             }
1839         }
1840         if (*p != '\"') {
1841             qemu_printf("unterminated string\n");
1842             goto fail;
1843         }
1844         p++;
1845     } else {
1846         while (*p != '\0' && !isspace(*p)) {
1847             if ((q - buf) < buf_size - 1) {
1848                 *q++ = *p;
1849             }
1850             p++;
1851         }
1852     }
1853     *q = '\0';
1854     *pp = p;
1855     return 0;
1856 }
1857
1858 static int default_fmt_format = 'x';
1859 static int default_fmt_size = 4;
1860
1861 #define MAX_ARGS 16
1862
1863 static void monitor_handle_command(const char *cmdline)
1864 {
1865     const char *p, *pstart, *typestr;
1866     char *q;
1867     int c, nb_args, len, i, has_arg;
1868     term_cmd_t *cmd;
1869     char cmdname[256];
1870     char buf[1024];
1871     void *str_allocated[MAX_ARGS];
1872     void *args[MAX_ARGS];
1873
1874 #ifdef DEBUG
1875     term_printf("command='%s'\n", cmdline);
1876 #endif
1877
1878     /* extract the command name */
1879     p = cmdline;
1880     q = cmdname;
1881     while (isspace(*p))
1882         p++;
1883     if (*p == '\0')
1884         return;
1885     pstart = p;
1886     while (*p != '\0' && *p != '/' && !isspace(*p))
1887         p++;
1888     len = p - pstart;
1889     if (len > sizeof(cmdname) - 1)
1890         len = sizeof(cmdname) - 1;
1891     memcpy(cmdname, pstart, len);
1892     cmdname[len] = '\0';
1893
1894     /* find the command */
1895     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1896         if (compare_cmd(cmdname, cmd->name))
1897             goto found;
1898     }
1899     term_printf("unknown command: '%s'\n", cmdname);
1900     return;
1901  found:
1902
1903     for(i = 0; i < MAX_ARGS; i++)
1904         str_allocated[i] = NULL;
1905
1906     /* parse the parameters */
1907     typestr = cmd->args_type;
1908     nb_args = 0;
1909     for(;;) {
1910         c = *typestr;
1911         if (c == '\0')
1912             break;
1913         typestr++;
1914         switch(c) {
1915         case 'F':
1916         case 'B':
1917         case 's':
1918             {
1919                 int ret;
1920                 char *str;
1921
1922                 while (isspace(*p))
1923                     p++;
1924                 if (*typestr == '?') {
1925                     typestr++;
1926                     if (*p == '\0') {
1927                         /* no optional string: NULL argument */
1928                         str = NULL;
1929                         goto add_str;
1930                     }
1931                 }
1932                 ret = get_str(buf, sizeof(buf), &p);
1933                 if (ret < 0) {
1934                     switch(c) {
1935                     case 'F':
1936                         term_printf("%s: filename expected\n", cmdname);
1937                         break;
1938                     case 'B':
1939                         term_printf("%s: block device name expected\n", cmdname);
1940                         break;
1941                     default:
1942                         term_printf("%s: string expected\n", cmdname);
1943                         break;
1944                     }
1945                     goto fail;
1946                 }
1947                 str = qemu_malloc(strlen(buf) + 1);
1948                 strcpy(str, buf);
1949                 str_allocated[nb_args] = str;
1950             add_str:
1951                 if (nb_args >= MAX_ARGS) {
1952                 error_args:
1953                     term_printf("%s: too many arguments\n", cmdname);
1954                     goto fail;
1955                 }
1956                 args[nb_args++] = str;
1957             }
1958             break;
1959         case '/':
1960             {
1961                 int count, format, size;
1962
1963                 while (isspace(*p))
1964                     p++;
1965                 if (*p == '/') {
1966                     /* format found */
1967                     p++;
1968                     count = 1;
1969                     if (isdigit(*p)) {
1970                         count = 0;
1971                         while (isdigit(*p)) {
1972                             count = count * 10 + (*p - '0');
1973                             p++;
1974                         }
1975                     }
1976                     size = -1;
1977                     format = -1;
1978                     for(;;) {
1979                         switch(*p) {
1980                         case 'o':
1981                         case 'd':
1982                         case 'u':
1983                         case 'x':
1984                         case 'i':
1985                         case 'c':
1986                             format = *p++;
1987                             break;
1988                         case 'b':
1989                             size = 1;
1990                             p++;
1991                             break;
1992                         case 'h':
1993                             size = 2;
1994                             p++;
1995                             break;
1996                         case 'w':
1997                             size = 4;
1998                             p++;
1999                             break;
2000                         case 'g':
2001                         case 'L':
2002                             size = 8;
2003                             p++;
2004                             break;
2005                         default:
2006                             goto next;
2007                         }
2008                     }
2009                 next:
2010                     if (*p != '\0' && !isspace(*p)) {
2011                         term_printf("invalid char in format: '%c'\n", *p);
2012                         goto fail;
2013                     }
2014                     if (format < 0)
2015                         format = default_fmt_format;
2016                     if (format != 'i') {
2017                         /* for 'i', not specifying a size gives -1 as size */
2018                         if (size < 0)
2019                             size = default_fmt_size;
2020                     }
2021                     default_fmt_size = size;
2022                     default_fmt_format = format;
2023                 } else {
2024                     count = 1;
2025                     format = default_fmt_format;
2026                     if (format != 'i') {
2027                         size = default_fmt_size;
2028                     } else {
2029                         size = -1;
2030                     }
2031                 }
2032                 if (nb_args + 3 > MAX_ARGS)
2033                     goto error_args;
2034                 args[nb_args++] = (void*)count;
2035                 args[nb_args++] = (void*)format;
2036                 args[nb_args++] = (void*)size;
2037             }
2038             break;
2039         case 'i':
2040         case 'l':
2041             {
2042                 target_long val;
2043                 while (isspace(*p))
2044                     p++;
2045                 if (*typestr == '?' || *typestr == '.') {
2046                     if (*typestr == '?') {
2047                         if (*p == '\0')
2048                             has_arg = 0;
2049                         else
2050                             has_arg = 1;
2051                     } else {
2052                         if (*p == '.') {
2053                             p++;
2054                             while (isspace(*p))
2055                                 p++;
2056                             has_arg = 1;
2057                         } else {
2058                             has_arg = 0;
2059                         }
2060                     }
2061                     typestr++;
2062                     if (nb_args >= MAX_ARGS)
2063                         goto error_args;
2064                     args[nb_args++] = (void *)has_arg;
2065                     if (!has_arg) {
2066                         if (nb_args >= MAX_ARGS)
2067                             goto error_args;
2068                         val = -1;
2069                         goto add_num;
2070                     }
2071                 }
2072                 if (get_expr(&val, &p))
2073                     goto fail;
2074             add_num:
2075                 if (c == 'i') {
2076                     if (nb_args >= MAX_ARGS)
2077                         goto error_args;
2078                     args[nb_args++] = (void *)(int)val;
2079                 } else {
2080                     if ((nb_args + 1) >= MAX_ARGS)
2081                         goto error_args;
2082 #if TARGET_LONG_BITS == 64
2083                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2084 #else
2085                     args[nb_args++] = (void *)0;
2086 #endif
2087                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2088                 }
2089             }
2090             break;
2091         case '-':
2092             {
2093                 int has_option;
2094                 /* option */
2095
2096                 c = *typestr++;
2097                 if (c == '\0')
2098                     goto bad_type;
2099                 while (isspace(*p))
2100                     p++;
2101                 has_option = 0;
2102                 if (*p == '-') {
2103                     p++;
2104                     if (*p != c) {
2105                         term_printf("%s: unsupported option -%c\n",
2106                                     cmdname, *p);
2107                         goto fail;
2108                     }
2109                     p++;
2110                     has_option = 1;
2111                 }
2112                 if (nb_args >= MAX_ARGS)
2113                     goto error_args;
2114                 args[nb_args++] = (void *)has_option;
2115             }
2116             break;
2117         default:
2118         bad_type:
2119             term_printf("%s: unknown type '%c'\n", cmdname, c);
2120             goto fail;
2121         }
2122     }
2123     /* check that all arguments were parsed */
2124     while (isspace(*p))
2125         p++;
2126     if (*p != '\0') {
2127         term_printf("%s: extraneous characters at the end of line\n",
2128                     cmdname);
2129         goto fail;
2130     }
2131
2132     switch(nb_args) {
2133     case 0:
2134         cmd->handler();
2135         break;
2136     case 1:
2137         cmd->handler(args[0]);
2138         break;
2139     case 2:
2140         cmd->handler(args[0], args[1]);
2141         break;
2142     case 3:
2143         cmd->handler(args[0], args[1], args[2]);
2144         break;
2145     case 4:
2146         cmd->handler(args[0], args[1], args[2], args[3]);
2147         break;
2148     case 5:
2149         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2150         break;
2151     case 6:
2152         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2153         break;
2154     case 7:
2155         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2156         break;
2157     default:
2158         term_printf("unsupported number of arguments: %d\n", nb_args);
2159         goto fail;
2160     }
2161  fail:
2162     for(i = 0; i < MAX_ARGS; i++)
2163         qemu_free(str_allocated[i]);
2164     return;
2165 }
2166
2167 static void cmd_completion(const char *name, const char *list)
2168 {
2169     const char *p, *pstart;
2170     char cmd[128];
2171     int len;
2172
2173     p = list;
2174     for(;;) {
2175         pstart = p;
2176         p = strchr(p, '|');
2177         if (!p)
2178             p = pstart + strlen(pstart);
2179         len = p - pstart;
2180         if (len > sizeof(cmd) - 2)
2181             len = sizeof(cmd) - 2;
2182         memcpy(cmd, pstart, len);
2183         cmd[len] = '\0';
2184         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2185             add_completion(cmd);
2186         }
2187         if (*p == '\0')
2188             break;
2189         p++;
2190     }
2191 }
2192
2193 static void file_completion(const char *input)
2194 {
2195     DIR *ffs;
2196     struct dirent *d;
2197     char path[1024];
2198     char file[1024], file_prefix[1024];
2199     int input_path_len;
2200     const char *p;
2201
2202     p = strrchr(input, '/');
2203     if (!p) {
2204         input_path_len = 0;
2205         pstrcpy(file_prefix, sizeof(file_prefix), input);
2206         strcpy(path, ".");
2207     } else {
2208         input_path_len = p - input + 1;
2209         memcpy(path, input, input_path_len);
2210         if (input_path_len > sizeof(path) - 1)
2211             input_path_len = sizeof(path) - 1;
2212         path[input_path_len] = '\0';
2213         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2214     }
2215 #ifdef DEBUG_COMPLETION
2216     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2217 #endif
2218     ffs = opendir(path);
2219     if (!ffs)
2220         return;
2221     for(;;) {
2222         struct stat sb;
2223         d = readdir(ffs);
2224         if (!d)
2225             break;
2226         if (strstart(d->d_name, file_prefix, NULL)) {
2227             memcpy(file, input, input_path_len);
2228             strcpy(file + input_path_len, d->d_name);
2229             /* stat the file to find out if it's a directory.
2230              * In that case add a slash to speed up typing long paths
2231              */
2232             stat(file, &sb);
2233             if(S_ISDIR(sb.st_mode))
2234                 strcat(file, "/");
2235             add_completion(file);
2236         }
2237     }
2238     closedir(ffs);
2239 }
2240
2241 static void block_completion_it(void *opaque, const char *name)
2242 {
2243     const char *input = opaque;
2244
2245     if (input[0] == '\0' ||
2246         !strncmp(name, (char *)input, strlen(input))) {
2247         add_completion(name);
2248     }
2249 }
2250
2251 /* NOTE: this parser is an approximate form of the real command parser */
2252 static void parse_cmdline(const char *cmdline,
2253                          int *pnb_args, char **args)
2254 {
2255     const char *p;
2256     int nb_args, ret;
2257     char buf[1024];
2258
2259     p = cmdline;
2260     nb_args = 0;
2261     for(;;) {
2262         while (isspace(*p))
2263             p++;
2264         if (*p == '\0')
2265             break;
2266         if (nb_args >= MAX_ARGS)
2267             break;
2268         ret = get_str(buf, sizeof(buf), &p);
2269         args[nb_args] = qemu_strdup(buf);
2270         nb_args++;
2271         if (ret < 0)
2272             break;
2273     }
2274     *pnb_args = nb_args;
2275 }
2276
2277 void readline_find_completion(const char *cmdline)
2278 {
2279     const char *cmdname;
2280     char *args[MAX_ARGS];
2281     int nb_args, i, len;
2282     const char *ptype, *str;
2283     term_cmd_t *cmd;
2284     const KeyDef *key;
2285
2286     parse_cmdline(cmdline, &nb_args, args);
2287 #ifdef DEBUG_COMPLETION
2288     for(i = 0; i < nb_args; i++) {
2289         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2290     }
2291 #endif
2292
2293     /* if the line ends with a space, it means we want to complete the
2294        next arg */
2295     len = strlen(cmdline);
2296     if (len > 0 && isspace(cmdline[len - 1])) {
2297         if (nb_args >= MAX_ARGS)
2298             return;
2299         args[nb_args++] = qemu_strdup("");
2300     }
2301     if (nb_args <= 1) {
2302         /* command completion */
2303         if (nb_args == 0)
2304             cmdname = "";
2305         else
2306             cmdname = args[0];
2307         completion_index = strlen(cmdname);
2308         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2309             cmd_completion(cmdname, cmd->name);
2310         }
2311     } else {
2312         /* find the command */
2313         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2314             if (compare_cmd(args[0], cmd->name))
2315                 goto found;
2316         }
2317         return;
2318     found:
2319         ptype = cmd->args_type;
2320         for(i = 0; i < nb_args - 2; i++) {
2321             if (*ptype != '\0') {
2322                 ptype++;
2323                 while (*ptype == '?')
2324                     ptype++;
2325             }
2326         }
2327         str = args[nb_args - 1];
2328         switch(*ptype) {
2329         case 'F':
2330             /* file completion */
2331             completion_index = strlen(str);
2332             file_completion(str);
2333             break;
2334         case 'B':
2335             /* block device name completion */
2336             completion_index = strlen(str);
2337             bdrv_iterate(block_completion_it, (void *)str);
2338             break;
2339         case 's':
2340             /* XXX: more generic ? */
2341             if (!strcmp(cmd->name, "info")) {
2342                 completion_index = strlen(str);
2343                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2344                     cmd_completion(str, cmd->name);
2345                 }
2346             } else if (!strcmp(cmd->name, "sendkey")) {
2347                 completion_index = strlen(str);
2348                 for(key = key_defs; key->name != NULL; key++) {
2349                     cmd_completion(str, key->name);
2350                 }
2351             }
2352             break;
2353         default:
2354             break;
2355         }
2356     }
2357     for(i = 0; i < nb_args; i++)
2358         qemu_free(args[i]);
2359 }
2360
2361 static int term_can_read(void *opaque)
2362 {
2363     return 128;
2364 }
2365
2366 static void term_read(void *opaque, const uint8_t *buf, int size)
2367 {
2368     int i;
2369     for(i = 0; i < size; i++)
2370         readline_handle_byte(buf[i]);
2371 }
2372
2373 static void monitor_start_input(void);
2374
2375 static void monitor_handle_command1(void *opaque, const char *cmdline)
2376 {
2377     monitor_handle_command(cmdline);
2378     monitor_start_input();
2379 }
2380
2381 static void monitor_start_input(void)
2382 {
2383     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2384 }
2385
2386 void monitor_init(CharDriverState *hd, int show_banner)
2387 {
2388     monitor_hd = hd;
2389     if (show_banner) {
2390         term_printf("QEMU %s monitor - type 'help' for more information\n",
2391                     QEMU_VERSION);
2392     }
2393     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2394     monitor_start_input();
2395 }
2396
2397 /* XXX: use threads ? */
2398 /* modal monitor readline */
2399 static int monitor_readline_started;
2400 static char *monitor_readline_buf;
2401 static int monitor_readline_buf_size;
2402
2403 static void monitor_readline_cb(void *opaque, const char *input)
2404 {
2405     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2406     monitor_readline_started = 0;
2407 }
2408
2409 void monitor_readline(const char *prompt, int is_password,
2410                       char *buf, int buf_size)
2411 {
2412     if (is_password) {
2413         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2414     }
2415     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2416     monitor_readline_buf = buf;
2417     monitor_readline_buf_size = buf_size;
2418     monitor_readline_started = 1;
2419     while (monitor_readline_started) {
2420         main_loop_wait(10);
2421     }
2422 }