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 static int hide_banner;
  59
  60 static term_cmd_t term_cmds[];
  61 static term_cmd_t info_cmds[];
  62
  63 static char term_outbuf[1024];
  64 static int term_outbuf_index;
  65
  66 static void monitor_start_input(void);
  67
  68 CPUState *mon_cpu = NULL;
  69
  70 void term_flush(void)
  71 {
  72     if (term_outbuf_index > 0) {
  73         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  74         term_outbuf_index = 0;
  75     }
  76 }
  77
  78 /* flush at every end of line or if the buffer is full */
  79 void term_puts(const char *str)
  80 {
  81     int c;
  82     for(;;) {
  83         c = *str++;
  84         if (c == '\0')
  85             break;
  86         if (c == '\n')
  87             term_outbuf[term_outbuf_index++] = '\r';
  88         term_outbuf[term_outbuf_index++] = c;
  89         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  90             c == '\n')
  91             term_flush();
  92     }
  93 }
  94
  95 void term_vprintf(const char *fmt, va_list ap)
  96 {
  97     char buf[4096];
  98     vsnprintf(buf, sizeof(buf), fmt, ap);
  99     term_puts(buf);
 100 }
 101
 102 void term_printf(const char *fmt, ...)
 103 {
 104     va_list ap;
 105     va_start(ap, fmt);
 106     term_vprintf(fmt, ap);
 107     va_end(ap);
 108 }
 109
 110 void term_print_filename(const char *filename)
 111 {
 112     int i;
 113
 114     for (i = 0; filename[i]; i++) {
 115         switch (filename[i]) {
 116         case ' ':
 117         case '"':
 118         case '\\':
 119             term_printf("\\%c", filename[i]);
 120             break;
 121         case '\t':
 122             term_printf("\\t");
 123             break;
 124         case '\r':
 125             term_printf("\\r");
 126             break;
 127         case '\n':
 128             term_printf("\\n");
 129             break;
 130         default:
 131             term_printf("%c", filename[i]);
 132             break;
 133         }
 134     }
 135 }
 136
 137 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 138 {
 139     va_list ap;
 140     va_start(ap, fmt);
 141     term_vprintf(fmt, ap);
 142     va_end(ap);
 143     return 0;
 144 }
 145
 146 static int compare_cmd(const char *name, const char *list)
 147 {
 148     const char *p, *pstart;
 149     int len;
 150     len = strlen(name);
 151     p = list;
 152     for(;;) {
 153         pstart = p;
 154         p = strchr(p, '|');
 155         if (!p)
 156             p = pstart + strlen(pstart);
 157         if ((p - pstart) == len && !memcmp(pstart, name, len))
 158             return 1;
 159         if (*p == '\0')
 160             break;
 161         p++;
 162     }
 163     return 0;
 164 }
 165
 166 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 167 {
 168     term_cmd_t *cmd;
 169
 170     for(cmd = cmds; cmd->name != NULL; cmd++) {
 171         if (!name || !strcmp(name, cmd->name))
 172             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 173     }
 174 }
 175
 176 static void help_cmd(const char *name)
 177 {
 178     if (name && !strcmp(name, "info")) {
 179         help_cmd1(info_cmds, "info ", NULL);
 180     } else {
 181         help_cmd1(term_cmds, "", name);
 182         if (name && !strcmp(name, "log")) {
 183             CPULogItem *item;
 184             term_printf("Log items (comma separated):\n");
 185             term_printf("%-10s %s\n", "none", "remove all logs");
 186             for(item = cpu_log_items; item->mask != 0; item++) {
 187                 term_printf("%-10s %s\n", item->name, item->help);
 188             }
 189         }
 190     }
 191 }
 192
 193 static void do_help(const char *name)
 194 {
 195     help_cmd(name);
 196 }
 197
 198 static void do_commit(const char *device)
 199 {
 200     int i, all_devices;
 201
 202     all_devices = !strcmp(device, "all");
 203     for (i = 0; i < MAX_DISKS; i++) {
 204         if (bs_table[i]) {
 205             if (all_devices ||
 206                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 207                 bdrv_commit(bs_table[i]);
 208         }
 209     }
 210 }
 211
 212 static void do_info(const char *item)
 213 {
 214     term_cmd_t *cmd;
 215
 216     if (!item)
 217         goto help;
 218     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 219         if (compare_cmd(item, cmd->name))
 220             goto found;
 221     }
 222  help:
 223     help_cmd("info");
 224     return;
 225  found:
 226     cmd->handler();
 227 }
 228
 229 static void do_info_version(void)
 230 {
 231   term_printf("%s\n", QEMU_VERSION);
 232 }
 233
 234 static void do_info_block(void)
 235 {
 236     bdrv_info();
 237 }
 238
 239 /* get the current CPU defined by the user */
 240 int mon_set_cpu(int cpu_index)
 241 {
 242     CPUState *env;
 243
 244     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 245         if (env->cpu_index == cpu_index) {
 246             mon_cpu = env;
 247             return 0;
 248         }
 249     }
 250     return -1;
 251 }
 252
 253 CPUState *mon_get_cpu(void)
 254 {
 255     if (!mon_cpu) {
 256         mon_set_cpu(0);
 257     }
 258     return mon_cpu;
 259 }
 260
 261 static void do_info_registers(void)
 262 {
 263     CPUState *env;
 264     env = mon_get_cpu();
 265     if (!env)
 266         return;
 267 #ifdef TARGET_I386
 268     cpu_dump_state(env, NULL, monitor_fprintf,
 269                    X86_DUMP_FPU);
 270 #else
 271     cpu_dump_state(env, NULL, monitor_fprintf,
 272                    0);
 273 #endif
 274 }
 275
 276 static void do_info_cpus(void)
 277 {
 278     CPUState *env;
 279
 280     /* just to set the default cpu if not already done */
 281     mon_get_cpu();
 282
 283     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 284         term_printf("%c CPU #%d:",
 285                     (env == mon_cpu) ? '*' : ' ',
 286                     env->cpu_index);
 287 #if defined(TARGET_I386)
 288         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 289         if (env->hflags & HF_HALTED_MASK)
 290             term_printf(" (halted)");
 291 #elif defined(TARGET_PPC)
 292         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 293         if (env->halted)
 294             term_printf(" (halted)");
 295 #elif defined(TARGET_SPARC)
 296         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 297         if (env->halted)
 298             term_printf(" (halted)");
 299 #endif
 300         term_printf("\n");
 301     }
 302 }
 303
 304 static void do_cpu_set(int index)
 305 {
 306     if (mon_set_cpu(index) < 0)
 307         term_printf("Invalid CPU index\n");
 308 }
 309
 310 static void do_info_jit(void)
 311 {
 312     dump_exec_info(NULL, monitor_fprintf);
 313 }
 314
 315 static void do_info_history (void)
 316 {
 317     int i;
 318     const char *str;
 319
 320     i = 0;
 321     for(;;) {
 322         str = readline_get_history(i);
 323         if (!str)
 324             break;
 325         term_printf("%d: '%s'\n", i, str);
 326         i++;
 327     }
 328 }
 329
 330 static void do_quit(void)
 331 {
 332     exit(0);
 333 }
 334
 335 static int eject_device(BlockDriverState *bs, int force)
 336 {
 337     if (bdrv_is_inserted(bs)) {
 338         if (!force) {
 339             if (!bdrv_is_removable(bs)) {
 340                 term_printf("device is not removable\n");
 341                 return -1;
 342             }
 343             if (bdrv_is_locked(bs)) {
 344                 term_printf("device is locked\n");
 345                 return -1;
 346             }
 347         }
 348         bdrv_close(bs);
 349     }
 350     return 0;
 351 }
 352
 353 static void do_eject(int force, const char *filename)
 354 {
 355     BlockDriverState *bs;
 356
 357     bs = bdrv_find(filename);
 358     if (!bs) {
 359         term_printf("device not found\n");
 360         return;
 361     }
 362     eject_device(bs, force);
 363 }
 364
 365 static void do_change(const char *device, const char *filename)
 366 {
 367     BlockDriverState *bs;
 368     int i;
 369     char password[256];
 370
 371     bs = bdrv_find(device);
 372     if (!bs) {
 373         term_printf("device not found\n");
 374         return;
 375     }
 376     if (eject_device(bs, 0) < 0)
 377         return;
 378     bdrv_open(bs, filename, 0);
 379     if (bdrv_is_encrypted(bs)) {
 380         term_printf("%s is encrypted.\n", device);
 381         for(i = 0; i < 3; i++) {
 382             monitor_readline("Password: ", 1, password, sizeof(password));
 383             if (bdrv_set_key(bs, password) == 0)
 384                 break;
 385             term_printf("invalid password\n");
 386         }
 387     }
 388 }
 389
 390 static void do_screen_dump(const char *filename)
 391 {
 392     vga_hw_screen_dump(filename);
 393 }
 394
 395 static void do_log(const char *items)
 396 {
 397     int mask;
 398
 399     if (!strcmp(items, "none")) {
 400         mask = 0;
 401     } else {
 402         mask = cpu_str_to_log_mask(items);
 403         if (!mask) {
 404             help_cmd("log");
 405             return;
 406         }
 407     }
 408     cpu_set_log(mask);
 409 }
 410
 411 static void do_stop(void)
 412 {
 413     vm_stop(EXCP_INTERRUPT);
 414 }
 415
 416 static void do_cont(void)
 417 {
 418     vm_start();
 419 }
 420
 421 #ifdef CONFIG_GDBSTUB
 422 static void do_gdbserver(int has_port, int port)
 423 {
 424     if (!has_port)
 425         port = DEFAULT_GDBSTUB_PORT;
 426     if (gdbserver_start_port(port) < 0) {
 427         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 428     } else {
 429         qemu_printf("Waiting gdb connection on port %d\n", port);
 430     }
 431 }
 432 #endif
 433
 434 static void term_printc(int c)
 435 {
 436     term_printf("'");
 437     switch(c) {
 438     case '\'':
 439         term_printf("\\'");
 440         break;
 441     case '\\':
 442         term_printf("\\\\");
 443         break;
 444     case '\n':
 445         term_printf("\\n");
 446         break;
 447     case '\r':
 448         term_printf("\\r");
 449         break;
 450     default:
 451         if (c >= 32 && c <= 126) {
 452             term_printf("%c", c);
 453         } else {
 454             term_printf("\\x%02x", c);
 455         }
 456         break;
 457     }
 458     term_printf("'");
 459 }
 460
 461 static void memory_dump(int count, int format, int wsize,
 462                         target_ulong addr, int is_physical)
 463 {
 464     CPUState *env;
 465     int nb_per_line, l, line_size, i, max_digits, len;
 466     uint8_t buf[16];
 467     uint64_t v;
 468
 469     if (format == 'i') {
 470         int flags;
 471         flags = 0;
 472         env = mon_get_cpu();
 473         if (!env && !is_physical)
 474             return;
 475 #ifdef TARGET_I386
 476         if (wsize == 2) {
 477             flags = 1;
 478         } else if (wsize == 4) {
 479             flags = 0;
 480         } else {
 481             /* as default we use the current CS size */
 482             flags = 0;
 483             if (env) {
 484 #ifdef TARGET_X86_64
 485                 if ((env->efer & MSR_EFER_LMA) &&
 486                     (env->segs[R_CS].flags & DESC_L_MASK))
 487                     flags = 2;
 488                 else
 489 #endif
 490                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 491                     flags = 1;
 492             }
 493         }
 494 #endif
 495         monitor_disas(env, addr, count, is_physical, flags);
 496         return;
 497     }
 498
 499     len = wsize * count;
 500     if (wsize == 1)
 501         line_size = 8;
 502     else
 503         line_size = 16;
 504     nb_per_line = line_size / wsize;
 505     max_digits = 0;
 506
 507     switch(format) {
 508     case 'o':
 509         max_digits = (wsize * 8 + 2) / 3;
 510         break;
 511     default:
 512     case 'x':
 513         max_digits = (wsize * 8) / 4;
 514         break;
 515     case 'u':
 516     case 'd':
 517         max_digits = (wsize * 8 * 10 + 32) / 33;
 518         break;
 519     case 'c':
 520         wsize = 1;
 521         break;
 522     }
 523
 524     while (len > 0) {
 525         term_printf(TARGET_FMT_lx ":", addr);
 526         l = len;
 527         if (l > line_size)
 528             l = line_size;
 529         if (is_physical) {
 530             cpu_physical_memory_rw(addr, buf, l, 0);
 531         } else {
 532             env = mon_get_cpu();
 533             if (!env)
 534                 break;
 535             cpu_memory_rw_debug(env, addr, buf, l, 0);
 536         }
 537         i = 0;
 538         while (i < l) {
 539             switch(wsize) {
 540             default:
 541             case 1:
 542                 v = ldub_raw(buf + i);
 543                 break;
 544             case 2:
 545                 v = lduw_raw(buf + i);
 546                 break;
 547             case 4:
 548                 v = (uint32_t)ldl_raw(buf + i);
 549                 break;
 550             case 8:
 551                 v = ldq_raw(buf + i);
 552                 break;
 553             }
 554             term_printf(" ");
 555             switch(format) {
 556             case 'o':
 557                 term_printf("%#*" PRIo64, max_digits, v);
 558                 break;
 559             case 'x':
 560                 term_printf("0x%0*" PRIx64, max_digits, v);
 561                 break;
 562             case 'u':
 563                 term_printf("%*" PRIu64, max_digits, v);
 564                 break;
 565             case 'd':
 566                 term_printf("%*" PRId64, max_digits, v);
 567                 break;
 568             case 'c':
 569                 term_printc(v);
 570                 break;
 571             }
 572             i += wsize;
 573         }
 574         term_printf("\n");
 575         addr += l;
 576         len -= l;
 577     }
 578 }
 579
 580 #if TARGET_LONG_BITS == 64
 581 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 582 #else
 583 #define GET_TLONG(h, l) (l)
 584 #endif
 585
 586 static void do_memory_dump(int count, int format, int size,
 587                            uint32_t addrh, uint32_t addrl)
 588 {
 589     target_long addr = GET_TLONG(addrh, addrl);
 590     memory_dump(count, format, size, addr, 0);
 591 }
 592
 593 static void do_physical_memory_dump(int count, int format, int size,
 594                                     uint32_t addrh, uint32_t addrl)
 595
 596 {
 597     target_long addr = GET_TLONG(addrh, addrl);
 598     memory_dump(count, format, size, addr, 1);
 599 }
 600
 601 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 602 {
 603     target_long val = GET_TLONG(valh, vall);
 604 #if TARGET_LONG_BITS == 32
 605     switch(format) {
 606     case 'o':
 607         term_printf("%#o", val);
 608         break;
 609     case 'x':
 610         term_printf("%#x", val);
 611         break;
 612     case 'u':
 613         term_printf("%u", val);
 614         break;
 615     default:
 616     case 'd':
 617         term_printf("%d", val);
 618         break;
 619     case 'c':
 620         term_printc(val);
 621         break;
 622     }
 623 #else
 624     switch(format) {
 625     case 'o':
 626         term_printf("%#" PRIo64, val);
 627         break;
 628     case 'x':
 629         term_printf("%#" PRIx64, val);
 630         break;
 631     case 'u':
 632         term_printf("%" PRIu64, val);
 633         break;
 634     default:
 635     case 'd':
 636         term_printf("%" PRId64, val);
 637         break;
 638     case 'c':
 639         term_printc(val);
 640         break;
 641     }
 642 #endif
 643     term_printf("\n");
 644 }
 645
 646 static void do_memory_save(unsigned int valh, unsigned int vall,
 647                            uint32_t size, const char *filename)
 648 {
 649     FILE *f;
 650     target_long addr = GET_TLONG(valh, vall);
 651     uint32_t l;
 652     CPUState *env;
 653     uint8_t buf[1024];
 654
 655     env = mon_get_cpu();
 656     if (!env)
 657         return;
 658
 659     f = fopen(filename, "wb");
 660     if (!f) {
 661         term_printf("could not open '%s'\n", filename);
 662         return;
 663     }
 664     while (size != 0) {
 665         l = sizeof(buf);
 666         if (l > size)
 667             l = size;
 668         cpu_memory_rw_debug(env, addr, buf, l, 0);
 669         fwrite(buf, 1, l, f);
 670         addr += l;
 671         size -= l;
 672     }
 673     fclose(f);
 674 }
 675
 676 static void do_sum(uint32_t start, uint32_t size)
 677 {
 678     uint32_t addr;
 679     uint8_t buf[1];
 680     uint16_t sum;
 681
 682     sum = 0;
 683     for(addr = start; addr < (start + size); addr++) {
 684         cpu_physical_memory_rw(addr, buf, 1, 0);
 685         /* BSD sum algorithm ('sum' Unix command) */
 686         sum = (sum >> 1) | (sum << 15);
 687         sum += buf[0];
 688     }
 689     term_printf("%05d\n", sum);
 690 }
 691
 692 typedef struct {
 693     int keycode;
 694     const char *name;
 695 } KeyDef;
 696
 697 static const KeyDef key_defs[] = {
 698     { 0x2a, "shift" },
 699     { 0x36, "shift_r" },
 700
 701     { 0x38, "alt" },
 702     { 0xb8, "alt_r" },
 703     { 0x1d, "ctrl" },
 704     { 0x9d, "ctrl_r" },
 705
 706     { 0xdd, "menu" },
 707
 708     { 0x01, "esc" },
 709
 710     { 0x02, "1" },
 711     { 0x03, "2" },
 712     { 0x04, "3" },
 713     { 0x05, "4" },
 714     { 0x06, "5" },
 715     { 0x07, "6" },
 716     { 0x08, "7" },
 717     { 0x09, "8" },
 718     { 0x0a, "9" },
 719     { 0x0b, "0" },
 720     { 0x0c, "minus" },
 721     { 0x0d, "equal" },
 722     { 0x0e, "backspace" },
 723
 724     { 0x0f, "tab" },
 725     { 0x10, "q" },
 726     { 0x11, "w" },
 727     { 0x12, "e" },
 728     { 0x13, "r" },
 729     { 0x14, "t" },
 730     { 0x15, "y" },
 731     { 0x16, "u" },
 732     { 0x17, "i" },
 733     { 0x18, "o" },
 734     { 0x19, "p" },
 735
 736     { 0x1c, "ret" },
 737
 738     { 0x1e, "a" },
 739     { 0x1f, "s" },
 740     { 0x20, "d" },
 741     { 0x21, "f" },
 742     { 0x22, "g" },
 743     { 0x23, "h" },
 744     { 0x24, "j" },
 745     { 0x25, "k" },
 746     { 0x26, "l" },
 747
 748     { 0x2c, "z" },
 749     { 0x2d, "x" },
 750     { 0x2e, "c" },
 751     { 0x2f, "v" },
 752     { 0x30, "b" },
 753     { 0x31, "n" },
 754     { 0x32, "m" },
 755
 756     { 0x39, "spc" },
 757     { 0x3a, "caps_lock" },
 758     { 0x3b, "f1" },
 759     { 0x3c, "f2" },
 760     { 0x3d, "f3" },
 761     { 0x3e, "f4" },
 762     { 0x3f, "f5" },
 763     { 0x40, "f6" },
 764     { 0x41, "f7" },
 765     { 0x42, "f8" },
 766     { 0x43, "f9" },
 767     { 0x44, "f10" },
 768     { 0x45, "num_lock" },
 769     { 0x46, "scroll_lock" },
 770
 771     { 0xb5, "kp_divide" },
 772     { 0x37, "kp_multiply" },
 773     { 0x4a, "kp_substract" },
 774     { 0x4e, "kp_add" },
 775     { 0x9c, "kp_enter" },
 776     { 0x53, "kp_decimal" },
 777
 778     { 0x52, "kp_0" },
 779     { 0x4f, "kp_1" },
 780     { 0x50, "kp_2" },
 781     { 0x51, "kp_3" },
 782     { 0x4b, "kp_4" },
 783     { 0x4c, "kp_5" },
 784     { 0x4d, "kp_6" },
 785     { 0x47, "kp_7" },
 786     { 0x48, "kp_8" },
 787     { 0x49, "kp_9" },
 788
 789     { 0x56, "<" },
 790
 791     { 0x57, "f11" },
 792     { 0x58, "f12" },
 793
 794     { 0xb7, "print" },
 795
 796     { 0xc7, "home" },
 797     { 0xc9, "pgup" },
 798     { 0xd1, "pgdn" },
 799     { 0xcf, "end" },
 800
 801     { 0xcb, "left" },
 802     { 0xc8, "up" },
 803     { 0xd0, "down" },
 804     { 0xcd, "right" },
 805
 806     { 0xd2, "insert" },
 807     { 0xd3, "delete" },
 808     { 0, NULL },
 809 };
 810
 811 static int get_keycode(const char *key)
 812 {
 813     const KeyDef *p;
 814     char *endp;
 815     int ret;
 816
 817     for(p = key_defs; p->name != NULL; p++) {
 818         if (!strcmp(key, p->name))
 819             return p->keycode;
 820     }
 821     if (strstart(key, "0x", NULL)) {
 822         ret = strtoul(key, &endp, 0);
 823         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 824             return ret;
 825     }
 826     return -1;
 827 }
 828
 829 static void do_send_key(const char *string)
 830 {
 831     char keybuf[16], *q;
 832     uint8_t keycodes[16];
 833     const char *p;
 834     int nb_keycodes, keycode, i;
 835
 836     nb_keycodes = 0;
 837     p = string;
 838     while (*p != '\0') {
 839         q = keybuf;
 840         while (*p != '\0' && *p != '-') {
 841             if ((q - keybuf) < sizeof(keybuf) - 1) {
 842                 *q++ = *p;
 843             }
 844             p++;
 845         }
 846         *q = '\0';
 847         keycode = get_keycode(keybuf);
 848         if (keycode < 0) {
 849             term_printf("unknown key: '%s'\n", keybuf);
 850             return;
 851         }
 852         keycodes[nb_keycodes++] = keycode;
 853         if (*p == '\0')
 854             break;
 855         p++;
 856     }
 857     /* key down events */
 858     for(i = 0; i < nb_keycodes; i++) {
 859         keycode = keycodes[i];
 860         if (keycode & 0x80)
 861             kbd_put_keycode(0xe0);
 862         kbd_put_keycode(keycode & 0x7f);
 863     }
 864     /* key up events */
 865     for(i = nb_keycodes - 1; i >= 0; i--) {
 866         keycode = keycodes[i];
 867         if (keycode & 0x80)
 868             kbd_put_keycode(0xe0);
 869         kbd_put_keycode(keycode | 0x80);
 870     }
 871 }
 872
 873 static int mouse_button_state;
 874
 875 static void do_mouse_move(const char *dx_str, const char *dy_str,
 876                           const char *dz_str)
 877 {
 878     int dx, dy, dz;
 879     dx = strtol(dx_str, NULL, 0);
 880     dy = strtol(dy_str, NULL, 0);
 881     dz = 0;
 882     if (dz_str)
 883         dz = strtol(dz_str, NULL, 0);
 884     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 885 }
 886
 887 static void do_mouse_button(int button_state)
 888 {
 889     mouse_button_state = button_state;
 890     kbd_mouse_event(0, 0, 0, mouse_button_state);
 891 }
 892
 893 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 894 {
 895     uint32_t val;
 896     int suffix;
 897
 898     if (has_index) {
 899         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 900         addr++;
 901     }
 902     addr &= 0xffff;
 903
 904     switch(size) {
 905     default:
 906     case 1:
 907         val = cpu_inb(NULL, addr);
 908         suffix = 'b';
 909         break;
 910     case 2:
 911         val = cpu_inw(NULL, addr);
 912         suffix = 'w';
 913         break;
 914     case 4:
 915         val = cpu_inl(NULL, addr);
 916         suffix = 'l';
 917         break;
 918     }
 919     term_printf("port%c[0x%04x] = %#0*x\n",
 920                 suffix, addr, size * 2, val);
 921 }
 922
 923 static void do_system_reset(void)
 924 {
 925     qemu_system_reset_request();
 926 }
 927
 928 static void do_system_powerdown(void)
 929 {
 930     qemu_system_powerdown_request();
 931 }
 932
 933 #if defined(TARGET_I386)
 934 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 935 {
 936     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 937                 addr,
 938                 pte & mask,
 939                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 940                 pte & PG_PSE_MASK ? 'P' : '-',
 941                 pte & PG_DIRTY_MASK ? 'D' : '-',
 942                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 943                 pte & PG_PCD_MASK ? 'C' : '-',
 944                 pte & PG_PWT_MASK ? 'T' : '-',
 945                 pte & PG_USER_MASK ? 'U' : '-',
 946                 pte & PG_RW_MASK ? 'W' : '-');
 947 }
 948
 949 static void tlb_info(void)
 950 {
 951     CPUState *env;
 952     int l1, l2;
 953     uint32_t pgd, pde, pte;
 954
 955     env = mon_get_cpu();
 956     if (!env)
 957         return;
 958
 959     if (!(env->cr[0] & CR0_PG_MASK)) {
 960         term_printf("PG disabled\n");
 961         return;
 962     }
 963     pgd = env->cr[3] & ~0xfff;
 964     for(l1 = 0; l1 < 1024; l1++) {
 965         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 966         pde = le32_to_cpu(pde);
 967         if (pde & PG_PRESENT_MASK) {
 968             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 969                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 970             } else {
 971                 for(l2 = 0; l2 < 1024; l2++) {
 972                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 973                                              (uint8_t *)&pte, 4);
 974                     pte = le32_to_cpu(pte);
 975                     if (pte & PG_PRESENT_MASK) {
 976                         print_pte((l1 << 22) + (l2 << 12),
 977                                   pte & ~PG_PSE_MASK,
 978                                   ~0xfff);
 979                     }
 980                 }
 981             }
 982         }
 983     }
 984 }
 985
 986 static void mem_print(uint32_t *pstart, int *plast_prot,
 987                       uint32_t end, int prot)
 988 {
 989     int prot1;
 990     prot1 = *plast_prot;
 991     if (prot != prot1) {
 992         if (*pstart != -1) {
 993             term_printf("%08x-%08x %08x %c%c%c\n",
 994                         *pstart, end, end - *pstart,
 995                         prot1 & PG_USER_MASK ? 'u' : '-',
 996                         'r',
 997                         prot1 & PG_RW_MASK ? 'w' : '-');
 998         }
 999         if (prot != 0)
1000             *pstart = end;
1001         else
1002             *pstart = -1;
1003         *plast_prot = prot;
1004     }
1005 }
1006
1007 static void mem_info(void)
1008 {
1009     CPUState *env;
1010     int l1, l2, prot, last_prot;
1011     uint32_t pgd, pde, pte, start, end;
1012
1013     env = mon_get_cpu();
1014     if (!env)
1015         return;
1016
1017     if (!(env->cr[0] & CR0_PG_MASK)) {
1018         term_printf("PG disabled\n");
1019         return;
1020     }
1021     pgd = env->cr[3] & ~0xfff;
1022     last_prot = 0;
1023     start = -1;
1024     for(l1 = 0; l1 < 1024; l1++) {
1025         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1026         pde = le32_to_cpu(pde);
1027         end = l1 << 22;
1028         if (pde & PG_PRESENT_MASK) {
1029             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1030                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1031                 mem_print(&start, &last_prot, end, prot);
1032             } else {
1033                 for(l2 = 0; l2 < 1024; l2++) {
1034                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1035                                              (uint8_t *)&pte, 4);
1036                     pte = le32_to_cpu(pte);
1037                     end = (l1 << 22) + (l2 << 12);
1038                     if (pte & PG_PRESENT_MASK) {
1039                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1040                     } else {
1041                         prot = 0;
1042                     }
1043                     mem_print(&start, &last_prot, end, prot);
1044                 }
1045             }
1046         } else {
1047             prot = 0;
1048             mem_print(&start, &last_prot, end, prot);
1049         }
1050     }
1051 }
1052 #endif
1053
1054 static void do_info_kqemu(void)
1055 {
1056 #ifdef USE_KQEMU
1057     CPUState *env;
1058     int val;
1059     val = 0;
1060     env = mon_get_cpu();
1061     if (!env) {
1062         term_printf("No cpu initialized yet");
1063         return;
1064     }
1065     val = env->kqemu_enabled;
1066     term_printf("kqemu support: ");
1067     switch(val) {
1068     default:
1069     case 0:
1070         term_printf("disabled\n");
1071         break;
1072     case 1:
1073         term_printf("enabled for user code\n");
1074         break;
1075     case 2:
1076         term_printf("enabled for user and kernel code\n");
1077         break;
1078     }
1079 #else
1080     term_printf("kqemu support: not compiled\n");
1081 #endif
1082 }
1083
1084 #ifdef CONFIG_PROFILER
1085
1086 int64_t kqemu_time;
1087 int64_t qemu_time;
1088 int64_t kqemu_exec_count;
1089 int64_t dev_time;
1090 int64_t kqemu_ret_int_count;
1091 int64_t kqemu_ret_excp_count;
1092 int64_t kqemu_ret_intr_count;
1093
1094 static void do_info_profile(void)
1095 {
1096     int64_t total;
1097     total = qemu_time;
1098     if (total == 0)
1099         total = 1;
1100     term_printf("async time  %" PRId64 " (%0.3f)\n",
1101                 dev_time, dev_time / (double)ticks_per_sec);
1102     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1103                 qemu_time, qemu_time / (double)ticks_per_sec);
1104     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1105                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1106                 kqemu_time / (double)total * 100.0,
1107                 kqemu_exec_count,
1108                 kqemu_ret_int_count,
1109                 kqemu_ret_excp_count,
1110                 kqemu_ret_intr_count);
1111     qemu_time = 0;
1112     kqemu_time = 0;
1113     kqemu_exec_count = 0;
1114     dev_time = 0;
1115     kqemu_ret_int_count = 0;
1116     kqemu_ret_excp_count = 0;
1117     kqemu_ret_intr_count = 0;
1118 #ifdef USE_KQEMU
1119     kqemu_record_dump();
1120 #endif
1121 }
1122 #else
1123 static void do_info_profile(void)
1124 {
1125     term_printf("Internal profiler not compiled\n");
1126 }
1127 #endif
1128
1129 /* Capture support */
1130 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1131
1132 static void do_info_capture (void)
1133 {
1134     int i;
1135     CaptureState *s;
1136
1137     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1138         term_printf ("[%d]: ", i);
1139         s->ops.info (s->opaque);
1140     }
1141 }
1142
1143 static void do_stop_capture (int n)
1144 {
1145     int i;
1146     CaptureState *s;
1147
1148     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1149         if (i == n) {
1150             s->ops.destroy (s->opaque);
1151             LIST_REMOVE (s, entries);
1152             qemu_free (s);
1153             return;
1154         }
1155     }
1156 }
1157
1158 #ifdef HAS_AUDIO
1159 int wav_start_capture (CaptureState *s, const char *path, int freq,
1160                        int bits, int nchannels);
1161
1162 static void do_wav_capture (const char *path,
1163                             int has_freq, int freq,
1164                             int has_bits, int bits,
1165                             int has_channels, int nchannels)
1166 {
1167     CaptureState *s;
1168
1169     s = qemu_mallocz (sizeof (*s));
1170     if (!s) {
1171         term_printf ("Not enough memory to add wave capture\n");
1172         return;
1173     }
1174
1175     freq = has_freq ? freq : 44100;
1176     bits = has_bits ? bits : 16;
1177     nchannels = has_channels ? nchannels : 2;
1178
1179     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1180         term_printf ("Faied to add wave capture\n");
1181         qemu_free (s);
1182     }
1183     LIST_INSERT_HEAD (&capture_head, s, entries);
1184 }
1185 #endif
1186
1187 static term_cmd_t term_cmds[] = {
1188     { "help|?", "s?", do_help,
1189       "[cmd]", "show the help" },
1190     { "commit", "s", do_commit,
1191       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1192     { "info", "s?", do_info,
1193       "subcommand", "show various information about the system state" },
1194     { "q|quit", "", do_quit,
1195       "", "quit the emulator" },
1196     { "eject", "-fB", do_eject,
1197       "[-f] device", "eject a removable media (use -f to force it)" },
1198     { "change", "BF", do_change,
1199       "device filename", "change a removable media" },
1200     { "screendump", "F", do_screen_dump,
1201       "filename", "save screen into PPM image 'filename'" },
1202     { "log", "s", do_log,
1203       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1204     { "savevm", "s?", do_savevm,
1205       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1206     { "loadvm", "s", do_loadvm,
1207       "tag|id", "restore a VM snapshot from its tag or id" },
1208     { "delvm", "s", do_delvm,
1209       "tag|id", "delete a VM snapshot from its tag or id" },
1210     { "stop", "", do_stop,
1211       "", "stop emulation", },
1212     { "c|cont", "", do_cont,
1213       "", "resume emulation", },
1214 #ifdef CONFIG_GDBSTUB
1215     { "gdbserver", "i?", do_gdbserver,
1216       "[port]", "start gdbserver session (default port=1234)", },
1217 #endif
1218     { "x", "/l", do_memory_dump,
1219       "/fmt addr", "virtual memory dump starting at 'addr'", },
1220     { "xp", "/l", do_physical_memory_dump,
1221       "/fmt addr", "physical memory dump starting at 'addr'", },
1222     { "p|print", "/l", do_print,
1223       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1224     { "i", "/ii.", do_ioport_read,
1225       "/fmt addr", "I/O port read" },
1226
1227     { "sendkey", "s", do_send_key,
1228       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1229     { "system_reset", "", do_system_reset,
1230       "", "reset the system" },
1231     { "system_powerdown", "", do_system_powerdown,
1232       "", "send system power down event" },
1233     { "sum", "ii", do_sum,
1234       "addr size", "compute the checksum of a memory region" },
1235     { "usb_add", "s", do_usb_add,
1236       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1237     { "usb_del", "s", do_usb_del,
1238       "device", "remove USB device 'bus.addr'" },
1239     { "cpu", "i", do_cpu_set,
1240       "index", "set the default CPU" },
1241     { "mouse_move", "sss?", do_mouse_move,
1242       "dx dy [dz]", "send mouse move events" },
1243     { "mouse_button", "i", do_mouse_button,
1244       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1245     { "mouse_set", "i", do_mouse_set,
1246       "index", "set which mouse device receives events" },
1247 #ifdef HAS_AUDIO
1248     { "wavcapture", "si?i?i?", do_wav_capture,
1249       "path [frequency bits channels]",
1250       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1251 #endif
1252      { "stopcapture", "i", do_stop_capture,
1253        "capture index", "stop capture" },
1254     { "memsave", "lis", do_memory_save,
1255       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1256     { NULL, NULL, },
1257 };
1258
1259 static term_cmd_t info_cmds[] = {
1260     { "version", "", do_info_version,
1261       "", "show the version of qemu" },
1262     { "network", "", do_info_network,
1263       "", "show the network state" },
1264     { "block", "", do_info_block,
1265       "", "show the block devices" },
1266     { "registers", "", do_info_registers,
1267       "", "show the cpu registers" },
1268     { "cpus", "", do_info_cpus,
1269       "", "show infos for each CPU" },
1270     { "history", "", do_info_history,
1271       "", "show the command line history", },
1272     { "irq", "", irq_info,
1273       "", "show the interrupts statistics (if available)", },
1274     { "pic", "", pic_info,
1275       "", "show i8259 (PIC) state", },
1276     { "pci", "", pci_info,
1277       "", "show PCI info", },
1278 #if defined(TARGET_I386)
1279     { "tlb", "", tlb_info,
1280       "", "show virtual to physical memory mappings", },
1281     { "mem", "", mem_info,
1282       "", "show the active virtual memory mappings", },
1283 #endif
1284     { "jit", "", do_info_jit,
1285       "", "show dynamic compiler info", },
1286     { "kqemu", "", do_info_kqemu,
1287       "", "show kqemu information", },
1288     { "usb", "", usb_info,
1289       "", "show guest USB devices", },
1290     { "usbhost", "", usb_host_info,
1291       "", "show host USB devices", },
1292     { "profile", "", do_info_profile,
1293       "", "show profiling information", },
1294     { "capture", "", do_info_capture,
1295       "", "show capture information" },
1296     { "snapshots", "", do_info_snapshots,
1297       "", "show the currently saved VM snapshots" },
1298     { "mice", "", do_info_mice,
1299       "", "show which guest mouse is receiving events" },
1300     { "vnc", "", do_info_vnc,
1301       "", "show the vnc server status"},
1302     { NULL, NULL, },
1303 };
1304
1305 /*******************************************************************/
1306
1307 static const char *pch;
1308 static jmp_buf expr_env;
1309
1310 #define MD_TLONG 0
1311 #define MD_I32   1
1312
1313 typedef struct MonitorDef {
1314     const char *name;
1315     int offset;
1316     target_long (*get_value)(struct MonitorDef *md, int val);
1317     int type;
1318 } MonitorDef;
1319
1320 #if defined(TARGET_I386)
1321 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1322 {
1323     CPUState *env = mon_get_cpu();
1324     if (!env)
1325         return 0;
1326     return env->eip + env->segs[R_CS].base;
1327 }
1328 #endif
1329
1330 #if defined(TARGET_PPC)
1331 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1332 {
1333     CPUState *env = mon_get_cpu();
1334     unsigned int u;
1335     int i;
1336
1337     if (!env)
1338         return 0;
1339
1340     u = 0;
1341     for (i = 0; i < 8; i++)
1342         u |= env->crf[i] << (32 - (4 * i));
1343
1344     return u;
1345 }
1346
1347 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1348 {
1349     CPUState *env = mon_get_cpu();
1350     if (!env)
1351         return 0;
1352     return (env->msr[MSR_POW] << MSR_POW) |
1353         (env->msr[MSR_ILE] << MSR_ILE) |
1354         (env->msr[MSR_EE] << MSR_EE) |
1355         (env->msr[MSR_PR] << MSR_PR) |
1356         (env->msr[MSR_FP] << MSR_FP) |
1357         (env->msr[MSR_ME] << MSR_ME) |
1358         (env->msr[MSR_FE0] << MSR_FE0) |
1359         (env->msr[MSR_SE] << MSR_SE) |
1360         (env->msr[MSR_BE] << MSR_BE) |
1361         (env->msr[MSR_FE1] << MSR_FE1) |
1362         (env->msr[MSR_IP] << MSR_IP) |
1363         (env->msr[MSR_IR] << MSR_IR) |
1364         (env->msr[MSR_DR] << MSR_DR) |
1365         (env->msr[MSR_RI] << MSR_RI) |
1366         (env->msr[MSR_LE] << MSR_LE);
1367 }
1368
1369 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1370 {
1371     CPUState *env = mon_get_cpu();
1372     if (!env)
1373         return 0;
1374     return (env->xer[XER_SO] << XER_SO) |
1375         (env->xer[XER_OV] << XER_OV) |
1376         (env->xer[XER_CA] << XER_CA) |
1377         (env->xer[XER_BC] << XER_BC);
1378 }
1379
1380 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1381 {
1382     CPUState *env = mon_get_cpu();
1383     if (!env)
1384         return 0;
1385     return cpu_ppc_load_decr(env);
1386 }
1387
1388 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1389 {
1390     CPUState *env = mon_get_cpu();
1391     if (!env)
1392         return 0;
1393     return cpu_ppc_load_tbu(env);
1394 }
1395
1396 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1397 {
1398     CPUState *env = mon_get_cpu();
1399     if (!env)
1400         return 0;
1401     return cpu_ppc_load_tbl(env);
1402 }
1403 #endif
1404
1405 #if defined(TARGET_SPARC)
1406 #ifndef TARGET_SPARC64
1407 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1408 {
1409     CPUState *env = mon_get_cpu();
1410     if (!env)
1411         return 0;
1412     return GET_PSR(env);
1413 }
1414 #endif
1415
1416 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1417 {
1418     CPUState *env = mon_get_cpu();
1419     if (!env)
1420         return 0;
1421     return env->regwptr[val];
1422 }
1423 #endif
1424
1425 static MonitorDef monitor_defs[] = {
1426 #ifdef TARGET_I386
1427
1428 #define SEG(name, seg) \
1429     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1430     { name ".base", offsetof(CPUState, segs[seg].base) },\
1431     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1432
1433     { "eax", offsetof(CPUState, regs[0]) },
1434     { "ecx", offsetof(CPUState, regs[1]) },
1435     { "edx", offsetof(CPUState, regs[2]) },
1436     { "ebx", offsetof(CPUState, regs[3]) },
1437     { "esp|sp", offsetof(CPUState, regs[4]) },
1438     { "ebp|fp", offsetof(CPUState, regs[5]) },
1439     { "esi", offsetof(CPUState, regs[6]) },
1440     { "edi", offsetof(CPUState, regs[7]) },
1441 #ifdef TARGET_X86_64
1442     { "r8", offsetof(CPUState, regs[8]) },
1443     { "r9", offsetof(CPUState, regs[9]) },
1444     { "r10", offsetof(CPUState, regs[10]) },
1445     { "r11", offsetof(CPUState, regs[11]) },
1446     { "r12", offsetof(CPUState, regs[12]) },
1447     { "r13", offsetof(CPUState, regs[13]) },
1448     { "r14", offsetof(CPUState, regs[14]) },
1449     { "r15", offsetof(CPUState, regs[15]) },
1450 #endif
1451     { "eflags", offsetof(CPUState, eflags) },
1452     { "eip", offsetof(CPUState, eip) },
1453     SEG("cs", R_CS)
1454     SEG("ds", R_DS)
1455     SEG("es", R_ES)
1456     SEG("ss", R_SS)
1457     SEG("fs", R_FS)
1458     SEG("gs", R_GS)
1459     { "pc", 0, monitor_get_pc, },
1460 #elif defined(TARGET_PPC)
1461     { "r0", offsetof(CPUState, gpr[0]) },
1462     { "r1", offsetof(CPUState, gpr[1]) },
1463     { "r2", offsetof(CPUState, gpr[2]) },
1464     { "r3", offsetof(CPUState, gpr[3]) },
1465     { "r4", offsetof(CPUState, gpr[4]) },
1466     { "r5", offsetof(CPUState, gpr[5]) },
1467     { "r6", offsetof(CPUState, gpr[6]) },
1468     { "r7", offsetof(CPUState, gpr[7]) },
1469     { "r8", offsetof(CPUState, gpr[8]) },
1470     { "r9", offsetof(CPUState, gpr[9]) },
1471     { "r10", offsetof(CPUState, gpr[10]) },
1472     { "r11", offsetof(CPUState, gpr[11]) },
1473     { "r12", offsetof(CPUState, gpr[12]) },
1474     { "r13", offsetof(CPUState, gpr[13]) },
1475     { "r14", offsetof(CPUState, gpr[14]) },
1476     { "r15", offsetof(CPUState, gpr[15]) },
1477     { "r16", offsetof(CPUState, gpr[16]) },
1478     { "r17", offsetof(CPUState, gpr[17]) },
1479     { "r18", offsetof(CPUState, gpr[18]) },
1480     { "r19", offsetof(CPUState, gpr[19]) },
1481     { "r20", offsetof(CPUState, gpr[20]) },
1482     { "r21", offsetof(CPUState, gpr[21]) },
1483     { "r22", offsetof(CPUState, gpr[22]) },
1484     { "r23", offsetof(CPUState, gpr[23]) },
1485     { "r24", offsetof(CPUState, gpr[24]) },
1486     { "r25", offsetof(CPUState, gpr[25]) },
1487     { "r26", offsetof(CPUState, gpr[26]) },
1488     { "r27", offsetof(CPUState, gpr[27]) },
1489     { "r28", offsetof(CPUState, gpr[28]) },
1490     { "r29", offsetof(CPUState, gpr[29]) },
1491     { "r30", offsetof(CPUState, gpr[30]) },
1492     { "r31", offsetof(CPUState, gpr[31]) },
1493     { "nip|pc", offsetof(CPUState, nip) },
1494     { "lr", offsetof(CPUState, lr) },
1495     { "ctr", offsetof(CPUState, ctr) },
1496     { "decr", 0, &monitor_get_decr, },
1497     { "ccr", 0, &monitor_get_ccr, },
1498     { "msr", 0, &monitor_get_msr, },
1499     { "xer", 0, &monitor_get_xer, },
1500     { "tbu", 0, &monitor_get_tbu, },
1501     { "tbl", 0, &monitor_get_tbl, },
1502     { "sdr1", offsetof(CPUState, sdr1) },
1503     { "sr0", offsetof(CPUState, sr[0]) },
1504     { "sr1", offsetof(CPUState, sr[1]) },
1505     { "sr2", offsetof(CPUState, sr[2]) },
1506     { "sr3", offsetof(CPUState, sr[3]) },
1507     { "sr4", offsetof(CPUState, sr[4]) },
1508     { "sr5", offsetof(CPUState, sr[5]) },
1509     { "sr6", offsetof(CPUState, sr[6]) },
1510     { "sr7", offsetof(CPUState, sr[7]) },
1511     { "sr8", offsetof(CPUState, sr[8]) },
1512     { "sr9", offsetof(CPUState, sr[9]) },
1513     { "sr10", offsetof(CPUState, sr[10]) },
1514     { "sr11", offsetof(CPUState, sr[11]) },
1515     { "sr12", offsetof(CPUState, sr[12]) },
1516     { "sr13", offsetof(CPUState, sr[13]) },
1517     { "sr14", offsetof(CPUState, sr[14]) },
1518     { "sr15", offsetof(CPUState, sr[15]) },
1519     /* Too lazy to put BATs and SPRs ... */
1520 #elif defined(TARGET_SPARC)
1521     { "g0", offsetof(CPUState, gregs[0]) },
1522     { "g1", offsetof(CPUState, gregs[1]) },
1523     { "g2", offsetof(CPUState, gregs[2]) },
1524     { "g3", offsetof(CPUState, gregs[3]) },
1525     { "g4", offsetof(CPUState, gregs[4]) },
1526     { "g5", offsetof(CPUState, gregs[5]) },
1527     { "g6", offsetof(CPUState, gregs[6]) },
1528     { "g7", offsetof(CPUState, gregs[7]) },
1529     { "o0", 0, monitor_get_reg },
1530     { "o1", 1, monitor_get_reg },
1531     { "o2", 2, monitor_get_reg },
1532     { "o3", 3, monitor_get_reg },
1533     { "o4", 4, monitor_get_reg },
1534     { "o5", 5, monitor_get_reg },
1535     { "o6", 6, monitor_get_reg },
1536     { "o7", 7, monitor_get_reg },
1537     { "l0", 8, monitor_get_reg },
1538     { "l1", 9, monitor_get_reg },
1539     { "l2", 10, monitor_get_reg },
1540     { "l3", 11, monitor_get_reg },
1541     { "l4", 12, monitor_get_reg },
1542     { "l5", 13, monitor_get_reg },
1543     { "l6", 14, monitor_get_reg },
1544     { "l7", 15, monitor_get_reg },
1545     { "i0", 16, monitor_get_reg },
1546     { "i1", 17, monitor_get_reg },
1547     { "i2", 18, monitor_get_reg },
1548     { "i3", 19, monitor_get_reg },
1549     { "i4", 20, monitor_get_reg },
1550     { "i5", 21, monitor_get_reg },
1551     { "i6", 22, monitor_get_reg },
1552     { "i7", 23, monitor_get_reg },
1553     { "pc", offsetof(CPUState, pc) },
1554     { "npc", offsetof(CPUState, npc) },
1555     { "y", offsetof(CPUState, y) },
1556 #ifndef TARGET_SPARC64
1557     { "psr", 0, &monitor_get_psr, },
1558     { "wim", offsetof(CPUState, wim) },
1559 #endif
1560     { "tbr", offsetof(CPUState, tbr) },
1561     { "fsr", offsetof(CPUState, fsr) },
1562     { "f0", offsetof(CPUState, fpr[0]) },
1563     { "f1", offsetof(CPUState, fpr[1]) },
1564     { "f2", offsetof(CPUState, fpr[2]) },
1565     { "f3", offsetof(CPUState, fpr[3]) },
1566     { "f4", offsetof(CPUState, fpr[4]) },
1567     { "f5", offsetof(CPUState, fpr[5]) },
1568     { "f6", offsetof(CPUState, fpr[6]) },
1569     { "f7", offsetof(CPUState, fpr[7]) },
1570     { "f8", offsetof(CPUState, fpr[8]) },
1571     { "f9", offsetof(CPUState, fpr[9]) },
1572     { "f10", offsetof(CPUState, fpr[10]) },
1573     { "f11", offsetof(CPUState, fpr[11]) },
1574     { "f12", offsetof(CPUState, fpr[12]) },
1575     { "f13", offsetof(CPUState, fpr[13]) },
1576     { "f14", offsetof(CPUState, fpr[14]) },
1577     { "f15", offsetof(CPUState, fpr[15]) },
1578     { "f16", offsetof(CPUState, fpr[16]) },
1579     { "f17", offsetof(CPUState, fpr[17]) },
1580     { "f18", offsetof(CPUState, fpr[18]) },
1581     { "f19", offsetof(CPUState, fpr[19]) },
1582     { "f20", offsetof(CPUState, fpr[20]) },
1583     { "f21", offsetof(CPUState, fpr[21]) },
1584     { "f22", offsetof(CPUState, fpr[22]) },
1585     { "f23", offsetof(CPUState, fpr[23]) },
1586     { "f24", offsetof(CPUState, fpr[24]) },
1587     { "f25", offsetof(CPUState, fpr[25]) },
1588     { "f26", offsetof(CPUState, fpr[26]) },
1589     { "f27", offsetof(CPUState, fpr[27]) },
1590     { "f28", offsetof(CPUState, fpr[28]) },
1591     { "f29", offsetof(CPUState, fpr[29]) },
1592     { "f30", offsetof(CPUState, fpr[30]) },
1593     { "f31", offsetof(CPUState, fpr[31]) },
1594 #ifdef TARGET_SPARC64
1595     { "f32", offsetof(CPUState, fpr[32]) },
1596     { "f34", offsetof(CPUState, fpr[34]) },
1597     { "f36", offsetof(CPUState, fpr[36]) },
1598     { "f38", offsetof(CPUState, fpr[38]) },
1599     { "f40", offsetof(CPUState, fpr[40]) },
1600     { "f42", offsetof(CPUState, fpr[42]) },
1601     { "f44", offsetof(CPUState, fpr[44]) },
1602     { "f46", offsetof(CPUState, fpr[46]) },
1603     { "f48", offsetof(CPUState, fpr[48]) },
1604     { "f50", offsetof(CPUState, fpr[50]) },
1605     { "f52", offsetof(CPUState, fpr[52]) },
1606     { "f54", offsetof(CPUState, fpr[54]) },
1607     { "f56", offsetof(CPUState, fpr[56]) },
1608     { "f58", offsetof(CPUState, fpr[58]) },
1609     { "f60", offsetof(CPUState, fpr[60]) },
1610     { "f62", offsetof(CPUState, fpr[62]) },
1611     { "asi", offsetof(CPUState, asi) },
1612     { "pstate", offsetof(CPUState, pstate) },
1613     { "cansave", offsetof(CPUState, cansave) },
1614     { "canrestore", offsetof(CPUState, canrestore) },
1615     { "otherwin", offsetof(CPUState, otherwin) },
1616     { "wstate", offsetof(CPUState, wstate) },
1617     { "cleanwin", offsetof(CPUState, cleanwin) },
1618     { "fprs", offsetof(CPUState, fprs) },
1619 #endif
1620 #endif
1621     { NULL },
1622 };
1623
1624 static void expr_error(const char *fmt)
1625 {
1626     term_printf(fmt);
1627     term_printf("\n");
1628     longjmp(expr_env, 1);
1629 }
1630
1631 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1632 static int get_monitor_def(target_long *pval, const char *name)
1633 {
1634     MonitorDef *md;
1635     void *ptr;
1636
1637     for(md = monitor_defs; md->name != NULL; md++) {
1638         if (compare_cmd(name, md->name)) {
1639             if (md->get_value) {
1640                 *pval = md->get_value(md, md->offset);
1641             } else {
1642                 CPUState *env = mon_get_cpu();
1643                 if (!env)
1644                     return -2;
1645                 ptr = (uint8_t *)env + md->offset;
1646                 switch(md->type) {
1647                 case MD_I32:
1648                     *pval = *(int32_t *)ptr;
1649                     break;
1650                 case MD_TLONG:
1651                     *pval = *(target_long *)ptr;
1652                     break;
1653                 default:
1654                     *pval = 0;
1655                     break;
1656                 }
1657             }
1658             return 0;
1659         }
1660     }
1661     return -1;
1662 }
1663
1664 static void next(void)
1665 {
1666     if (pch != '\0') {
1667         pch++;
1668         while (isspace(*pch))
1669             pch++;
1670     }
1671 }
1672
1673 static target_long expr_sum(void);
1674
1675 static target_long expr_unary(void)
1676 {
1677     target_long n;
1678     char *p;
1679     int ret;
1680
1681     switch(*pch) {
1682     case '+':
1683         next();
1684         n = expr_unary();
1685         break;
1686     case '-':
1687         next();
1688         n = -expr_unary();
1689         break;
1690     case '~':
1691         next();
1692         n = ~expr_unary();
1693         break;
1694     case '(':
1695         next();
1696         n = expr_sum();
1697         if (*pch != ')') {
1698             expr_error("')' expected");
1699         }
1700         next();
1701         break;
1702     case '\'':
1703         pch++;
1704         if (*pch == '\0')
1705             expr_error("character constant expected");
1706         n = *pch;
1707         pch++;
1708         if (*pch != '\'')
1709             expr_error("missing terminating \' character");
1710         next();
1711         break;
1712     case '$':
1713         {
1714             char buf[128], *q;
1715
1716             pch++;
1717             q = buf;
1718             while ((*pch >= 'a' && *pch <= 'z') ||
1719                    (*pch >= 'A' && *pch <= 'Z') ||
1720                    (*pch >= '0' && *pch <= '9') ||
1721                    *pch == '_' || *pch == '.') {
1722                 if ((q - buf) < sizeof(buf) - 1)
1723                     *q++ = *pch;
1724                 pch++;
1725             }
1726             while (isspace(*pch))
1727                 pch++;
1728             *q = 0;
1729             ret = get_monitor_def(&n, buf);
1730             if (ret == -1)
1731                 expr_error("unknown register");
1732             else if (ret == -2)
1733                 expr_error("no cpu defined");
1734         }
1735         break;
1736     case '\0':
1737         expr_error("unexpected end of expression");
1738         n = 0;
1739         break;
1740     default:
1741 #if TARGET_LONG_BITS == 64
1742         n = strtoull(pch, &p, 0);
1743 #else
1744         n = strtoul(pch, &p, 0);
1745 #endif
1746         if (pch == p) {
1747             expr_error("invalid char in expression");
1748         }
1749         pch = p;
1750         while (isspace(*pch))
1751             pch++;
1752         break;
1753     }
1754     return n;
1755 }
1756
1757
1758 static target_long expr_prod(void)
1759 {
1760     target_long val, val2;
1761     int op;
1762
1763     val = expr_unary();
1764     for(;;) {
1765         op = *pch;
1766         if (op != '*' && op != '/' && op != '%')
1767             break;
1768         next();
1769         val2 = expr_unary();
1770         switch(op) {
1771         default:
1772         case '*':
1773             val *= val2;
1774             break;
1775         case '/':
1776         case '%':
1777             if (val2 == 0)
1778                 expr_error("division by zero");
1779             if (op == '/')
1780                 val /= val2;
1781             else
1782                 val %= val2;
1783             break;
1784         }
1785     }
1786     return val;
1787 }
1788
1789 static target_long expr_logic(void)
1790 {
1791     target_long val, val2;
1792     int op;
1793
1794     val = expr_prod();
1795     for(;;) {
1796         op = *pch;
1797         if (op != '&' && op != '|' && op != '^')
1798             break;
1799         next();
1800         val2 = expr_prod();
1801         switch(op) {
1802         default:
1803         case '&':
1804             val &= val2;
1805             break;
1806         case '|':
1807             val |= val2;
1808             break;
1809         case '^':
1810             val ^= val2;
1811             break;
1812         }
1813     }
1814     return val;
1815 }
1816
1817 static target_long expr_sum(void)
1818 {
1819     target_long val, val2;
1820     int op;
1821
1822     val = expr_logic();
1823     for(;;) {
1824         op = *pch;
1825         if (op != '+' && op != '-')
1826             break;
1827         next();
1828         val2 = expr_logic();
1829         if (op == '+')
1830             val += val2;
1831         else
1832             val -= val2;
1833     }
1834     return val;
1835 }
1836
1837 static int get_expr(target_long *pval, const char **pp)
1838 {
1839     pch = *pp;
1840     if (setjmp(expr_env)) {
1841         *pp = pch;
1842         return -1;
1843     }
1844     while (isspace(*pch))
1845         pch++;
1846     *pval = expr_sum();
1847     *pp = pch;
1848     return 0;
1849 }
1850
1851 static int get_str(char *buf, int buf_size, const char **pp)
1852 {
1853     const char *p;
1854     char *q;
1855     int c;
1856
1857     q = buf;
1858     p = *pp;
1859     while (isspace(*p))
1860         p++;
1861     if (*p == '\0') {
1862     fail:
1863         *q = '\0';
1864         *pp = p;
1865         return -1;
1866     }
1867     if (*p == '\"') {
1868         p++;
1869         while (*p != '\0' && *p != '\"') {
1870             if (*p == '\\') {
1871                 p++;
1872                 c = *p++;
1873                 switch(c) {
1874                 case 'n':
1875                     c = '\n';
1876                     break;
1877                 case 'r':
1878                     c = '\r';
1879                     break;
1880                 case '\\':
1881                 case '\'':
1882                 case '\"':
1883                     break;
1884                 default:
1885                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1886                     goto fail;
1887                 }
1888                 if ((q - buf) < buf_size - 1) {
1889                     *q++ = c;
1890                 }
1891             } else {
1892                 if ((q - buf) < buf_size - 1) {
1893                     *q++ = *p;
1894                 }
1895                 p++;
1896             }
1897         }
1898         if (*p != '\"') {
1899             qemu_printf("unterminated string\n");
1900             goto fail;
1901         }
1902         p++;
1903     } else {
1904         while (*p != '\0' && !isspace(*p)) {
1905             if ((q - buf) < buf_size - 1) {
1906                 *q++ = *p;
1907             }
1908             p++;
1909         }
1910     }
1911     *q = '\0';
1912     *pp = p;
1913     return 0;
1914 }
1915
1916 static int default_fmt_format = 'x';
1917 static int default_fmt_size = 4;
1918
1919 #define MAX_ARGS 16
1920
1921 static void monitor_handle_command(const char *cmdline)
1922 {
1923     const char *p, *pstart, *typestr;
1924     char *q;
1925     int c, nb_args, len, i, has_arg;
1926     term_cmd_t *cmd;
1927     char cmdname[256];
1928     char buf[1024];
1929     void *str_allocated[MAX_ARGS];
1930     void *args[MAX_ARGS];
1931
1932 #ifdef DEBUG
1933     term_printf("command='%s'\n", cmdline);
1934 #endif
1935
1936     /* extract the command name */
1937     p = cmdline;
1938     q = cmdname;
1939     while (isspace(*p))
1940         p++;
1941     if (*p == '\0')
1942         return;
1943     pstart = p;
1944     while (*p != '\0' && *p != '/' && !isspace(*p))
1945         p++;
1946     len = p - pstart;
1947     if (len > sizeof(cmdname) - 1)
1948         len = sizeof(cmdname) - 1;
1949     memcpy(cmdname, pstart, len);
1950     cmdname[len] = '\0';
1951
1952     /* find the command */
1953     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1954         if (compare_cmd(cmdname, cmd->name))
1955             goto found;
1956     }
1957     term_printf("unknown command: '%s'\n", cmdname);
1958     return;
1959  found:
1960
1961     for(i = 0; i < MAX_ARGS; i++)
1962         str_allocated[i] = NULL;
1963
1964     /* parse the parameters */
1965     typestr = cmd->args_type;
1966     nb_args = 0;
1967     for(;;) {
1968         c = *typestr;
1969         if (c == '\0')
1970             break;
1971         typestr++;
1972         switch(c) {
1973         case 'F':
1974         case 'B':
1975         case 's':
1976             {
1977                 int ret;
1978                 char *str;
1979
1980                 while (isspace(*p))
1981                     p++;
1982                 if (*typestr == '?') {
1983                     typestr++;
1984                     if (*p == '\0') {
1985                         /* no optional string: NULL argument */
1986                         str = NULL;
1987                         goto add_str;
1988                     }
1989                 }
1990                 ret = get_str(buf, sizeof(buf), &p);
1991                 if (ret < 0) {
1992                     switch(c) {
1993                     case 'F':
1994                         term_printf("%s: filename expected\n", cmdname);
1995                         break;
1996                     case 'B':
1997                         term_printf("%s: block device name expected\n", cmdname);
1998                         break;
1999                     default:
2000                         term_printf("%s: string expected\n", cmdname);
2001                         break;
2002                     }
2003                     goto fail;
2004                 }
2005                 str = qemu_malloc(strlen(buf) + 1);
2006                 strcpy(str, buf);
2007                 str_allocated[nb_args] = str;
2008             add_str:
2009                 if (nb_args >= MAX_ARGS) {
2010                 error_args:
2011                     term_printf("%s: too many arguments\n", cmdname);
2012                     goto fail;
2013                 }
2014                 args[nb_args++] = str;
2015             }
2016             break;
2017         case '/':
2018             {
2019                 int count, format, size;
2020
2021                 while (isspace(*p))
2022                     p++;
2023                 if (*p == '/') {
2024                     /* format found */
2025                     p++;
2026                     count = 1;
2027                     if (isdigit(*p)) {
2028                         count = 0;
2029                         while (isdigit(*p)) {
2030                             count = count * 10 + (*p - '0');
2031                             p++;
2032                         }
2033                     }
2034                     size = -1;
2035                     format = -1;
2036                     for(;;) {
2037                         switch(*p) {
2038                         case 'o':
2039                         case 'd':
2040                         case 'u':
2041                         case 'x':
2042                         case 'i':
2043                         case 'c':
2044                             format = *p++;
2045                             break;
2046                         case 'b':
2047                             size = 1;
2048                             p++;
2049                             break;
2050                         case 'h':
2051                             size = 2;
2052                             p++;
2053                             break;
2054                         case 'w':
2055                             size = 4;
2056                             p++;
2057                             break;
2058                         case 'g':
2059                         case 'L':
2060                             size = 8;
2061                             p++;
2062                             break;
2063                         default:
2064                             goto next;
2065                         }
2066                     }
2067                 next:
2068                     if (*p != '\0' && !isspace(*p)) {
2069                         term_printf("invalid char in format: '%c'\n", *p);
2070                         goto fail;
2071                     }
2072                     if (format < 0)
2073                         format = default_fmt_format;
2074                     if (format != 'i') {
2075                         /* for 'i', not specifying a size gives -1 as size */
2076                         if (size < 0)
2077                             size = default_fmt_size;
2078                     }
2079                     default_fmt_size = size;
2080                     default_fmt_format = format;
2081                 } else {
2082                     count = 1;
2083                     format = default_fmt_format;
2084                     if (format != 'i') {
2085                         size = default_fmt_size;
2086                     } else {
2087                         size = -1;
2088                     }
2089                 }
2090                 if (nb_args + 3 > MAX_ARGS)
2091                     goto error_args;
2092                 args[nb_args++] = (void*)count;
2093                 args[nb_args++] = (void*)format;
2094                 args[nb_args++] = (void*)size;
2095             }
2096             break;
2097         case 'i':
2098         case 'l':
2099             {
2100                 target_long val;
2101                 while (isspace(*p))
2102                     p++;
2103                 if (*typestr == '?' || *typestr == '.') {
2104                     if (*typestr == '?') {
2105                         if (*p == '\0')
2106                             has_arg = 0;
2107                         else
2108                             has_arg = 1;
2109                     } else {
2110                         if (*p == '.') {
2111                             p++;
2112                             while (isspace(*p))
2113                                 p++;
2114                             has_arg = 1;
2115                         } else {
2116                             has_arg = 0;
2117                         }
2118                     }
2119                     typestr++;
2120                     if (nb_args >= MAX_ARGS)
2121                         goto error_args;
2122                     args[nb_args++] = (void *)has_arg;
2123                     if (!has_arg) {
2124                         if (nb_args >= MAX_ARGS)
2125                             goto error_args;
2126                         val = -1;
2127                         goto add_num;
2128                     }
2129                 }
2130                 if (get_expr(&val, &p))
2131                     goto fail;
2132             add_num:
2133                 if (c == 'i') {
2134                     if (nb_args >= MAX_ARGS)
2135                         goto error_args;
2136                     args[nb_args++] = (void *)(int)val;
2137                 } else {
2138                     if ((nb_args + 1) >= MAX_ARGS)
2139                         goto error_args;
2140 #if TARGET_LONG_BITS == 64
2141                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2142 #else
2143                     args[nb_args++] = (void *)0;
2144 #endif
2145                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2146                 }
2147             }
2148             break;
2149         case '-':
2150             {
2151                 int has_option;
2152                 /* option */
2153
2154                 c = *typestr++;
2155                 if (c == '\0')
2156                     goto bad_type;
2157                 while (isspace(*p))
2158                     p++;
2159                 has_option = 0;
2160                 if (*p == '-') {
2161                     p++;
2162                     if (*p != c) {
2163                         term_printf("%s: unsupported option -%c\n",
2164                                     cmdname, *p);
2165                         goto fail;
2166                     }
2167                     p++;
2168                     has_option = 1;
2169                 }
2170                 if (nb_args >= MAX_ARGS)
2171                     goto error_args;
2172                 args[nb_args++] = (void *)has_option;
2173             }
2174             break;
2175         default:
2176         bad_type:
2177             term_printf("%s: unknown type '%c'\n", cmdname, c);
2178             goto fail;
2179         }
2180     }
2181     /* check that all arguments were parsed */
2182     while (isspace(*p))
2183         p++;
2184     if (*p != '\0') {
2185         term_printf("%s: extraneous characters at the end of line\n",
2186                     cmdname);
2187         goto fail;
2188     }
2189
2190     switch(nb_args) {
2191     case 0:
2192         cmd->handler();
2193         break;
2194     case 1:
2195         cmd->handler(args[0]);
2196         break;
2197     case 2:
2198         cmd->handler(args[0], args[1]);
2199         break;
2200     case 3:
2201         cmd->handler(args[0], args[1], args[2]);
2202         break;
2203     case 4:
2204         cmd->handler(args[0], args[1], args[2], args[3]);
2205         break;
2206     case 5:
2207         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2208         break;
2209     case 6:
2210         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2211         break;
2212     case 7:
2213         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2214         break;
2215     default:
2216         term_printf("unsupported number of arguments: %d\n", nb_args);
2217         goto fail;
2218     }
2219  fail:
2220     for(i = 0; i < MAX_ARGS; i++)
2221         qemu_free(str_allocated[i]);
2222     return;
2223 }
2224
2225 static void cmd_completion(const char *name, const char *list)
2226 {
2227     const char *p, *pstart;
2228     char cmd[128];
2229     int len;
2230
2231     p = list;
2232     for(;;) {
2233         pstart = p;
2234         p = strchr(p, '|');
2235         if (!p)
2236             p = pstart + strlen(pstart);
2237         len = p - pstart;
2238         if (len > sizeof(cmd) - 2)
2239             len = sizeof(cmd) - 2;
2240         memcpy(cmd, pstart, len);
2241         cmd[len] = '\0';
2242         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2243             add_completion(cmd);
2244         }
2245         if (*p == '\0')
2246             break;
2247         p++;
2248     }
2249 }
2250
2251 static void file_completion(const char *input)
2252 {
2253     DIR *ffs;
2254     struct dirent *d;
2255     char path[1024];
2256     char file[1024], file_prefix[1024];
2257     int input_path_len;
2258     const char *p;
2259
2260     p = strrchr(input, '/');
2261     if (!p) {
2262         input_path_len = 0;
2263         pstrcpy(file_prefix, sizeof(file_prefix), input);
2264         strcpy(path, ".");
2265     } else {
2266         input_path_len = p - input + 1;
2267         memcpy(path, input, input_path_len);
2268         if (input_path_len > sizeof(path) - 1)
2269             input_path_len = sizeof(path) - 1;
2270         path[input_path_len] = '\0';
2271         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2272     }
2273 #ifdef DEBUG_COMPLETION
2274     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2275 #endif
2276     ffs = opendir(path);
2277     if (!ffs)
2278         return;
2279     for(;;) {
2280         struct stat sb;
2281         d = readdir(ffs);
2282         if (!d)
2283             break;
2284         if (strstart(d->d_name, file_prefix, NULL)) {
2285             memcpy(file, input, input_path_len);
2286             strcpy(file + input_path_len, d->d_name);
2287             /* stat the file to find out if it's a directory.
2288              * In that case add a slash to speed up typing long paths
2289              */
2290             stat(file, &sb);
2291             if(S_ISDIR(sb.st_mode))
2292                 strcat(file, "/");
2293             add_completion(file);
2294         }
2295     }
2296     closedir(ffs);
2297 }
2298
2299 static void block_completion_it(void *opaque, const char *name)
2300 {
2301     const char *input = opaque;
2302
2303     if (input[0] == '\0' ||
2304         !strncmp(name, (char *)input, strlen(input))) {
2305         add_completion(name);
2306     }
2307 }
2308
2309 /* NOTE: this parser is an approximate form of the real command parser */
2310 static void parse_cmdline(const char *cmdline,
2311                          int *pnb_args, char **args)
2312 {
2313     const char *p;
2314     int nb_args, ret;
2315     char buf[1024];
2316
2317     p = cmdline;
2318     nb_args = 0;
2319     for(;;) {
2320         while (isspace(*p))
2321             p++;
2322         if (*p == '\0')
2323             break;
2324         if (nb_args >= MAX_ARGS)
2325             break;
2326         ret = get_str(buf, sizeof(buf), &p);
2327         args[nb_args] = qemu_strdup(buf);
2328         nb_args++;
2329         if (ret < 0)
2330             break;
2331     }
2332     *pnb_args = nb_args;
2333 }
2334
2335 void readline_find_completion(const char *cmdline)
2336 {
2337     const char *cmdname;
2338     char *args[MAX_ARGS];
2339     int nb_args, i, len;
2340     const char *ptype, *str;
2341     term_cmd_t *cmd;
2342     const KeyDef *key;
2343
2344     parse_cmdline(cmdline, &nb_args, args);
2345 #ifdef DEBUG_COMPLETION
2346     for(i = 0; i < nb_args; i++) {
2347         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2348     }
2349 #endif
2350
2351     /* if the line ends with a space, it means we want to complete the
2352        next arg */
2353     len = strlen(cmdline);
2354     if (len > 0 && isspace(cmdline[len - 1])) {
2355         if (nb_args >= MAX_ARGS)
2356             return;
2357         args[nb_args++] = qemu_strdup("");
2358     }
2359     if (nb_args <= 1) {
2360         /* command completion */
2361         if (nb_args == 0)
2362             cmdname = "";
2363         else
2364             cmdname = args[0];
2365         completion_index = strlen(cmdname);
2366         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2367             cmd_completion(cmdname, cmd->name);
2368         }
2369     } else {
2370         /* find the command */
2371         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2372             if (compare_cmd(args[0], cmd->name))
2373                 goto found;
2374         }
2375         return;
2376     found:
2377         ptype = cmd->args_type;
2378         for(i = 0; i < nb_args - 2; i++) {
2379             if (*ptype != '\0') {
2380                 ptype++;
2381                 while (*ptype == '?')
2382                     ptype++;
2383             }
2384         }
2385         str = args[nb_args - 1];
2386         switch(*ptype) {
2387         case 'F':
2388             /* file completion */
2389             completion_index = strlen(str);
2390             file_completion(str);
2391             break;
2392         case 'B':
2393             /* block device name completion */
2394             completion_index = strlen(str);
2395             bdrv_iterate(block_completion_it, (void *)str);
2396             break;
2397         case 's':
2398             /* XXX: more generic ? */
2399             if (!strcmp(cmd->name, "info")) {
2400                 completion_index = strlen(str);
2401                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2402                     cmd_completion(str, cmd->name);
2403                 }
2404             } else if (!strcmp(cmd->name, "sendkey")) {
2405                 completion_index = strlen(str);
2406                 for(key = key_defs; key->name != NULL; key++) {
2407                     cmd_completion(str, key->name);
2408                 }
2409             }
2410             break;
2411         default:
2412             break;
2413         }
2414     }
2415     for(i = 0; i < nb_args; i++)
2416         qemu_free(args[i]);
2417 }
2418
2419 static int term_can_read(void *opaque)
2420 {
2421     return 128;
2422 }
2423
2424 static void term_read(void *opaque, const uint8_t *buf, int size)
2425 {
2426     int i;
2427     for(i = 0; i < size; i++)
2428         readline_handle_byte(buf[i]);
2429 }
2430
2431 static void monitor_start_input(void);
2432
2433 static void monitor_handle_command1(void *opaque, const char *cmdline)
2434 {
2435     monitor_handle_command(cmdline);
2436     monitor_start_input();
2437 }
2438
2439 static void monitor_start_input(void)
2440 {
2441     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2442 }
2443
2444 static void term_event(void *opaque, int event)
2445 {
2446     if (event != CHR_EVENT_RESET)
2447         return;
2448
2449     if (!hide_banner)
2450             term_printf("QEMU %s monitor - type 'help' for more information\n",
2451                         QEMU_VERSION);
2452     monitor_start_input();
2453 }
2454
2455 void monitor_init(CharDriverState *hd, int show_banner)
2456 {
2457     monitor_hd = hd;
2458     hide_banner = !show_banner;
2459
2460     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2461 }
2462
2463 /* XXX: use threads ? */
2464 /* modal monitor readline */
2465 static int monitor_readline_started;
2466 static char *monitor_readline_buf;
2467 static int monitor_readline_buf_size;
2468
2469 static void monitor_readline_cb(void *opaque, const char *input)
2470 {
2471     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2472     monitor_readline_started = 0;
2473 }
2474
2475 void monitor_readline(const char *prompt, int is_password,
2476                       char *buf, int buf_size)
2477 {
2478     if (is_password) {
2479         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2480     }
2481     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2482     monitor_readline_buf = buf;
2483     monitor_readline_buf_size = buf_size;
2484     monitor_readline_started = 1;
2485     while (monitor_readline_started) {
2486         main_loop_wait(10);
2487     }
2488 }