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 #define MAX_MON 4
  58 static CharDriverState *monitor_hd[MAX_MON];
  59 static int hide_banner;
  60
  61 static term_cmd_t term_cmds[];
  62 static term_cmd_t info_cmds[];
  63
  64 static char term_outbuf[1024];
  65 static int term_outbuf_index;
  66
  67 static void monitor_start_input(void);
  68
  69 CPUState *mon_cpu = NULL;
  70
  71 void term_flush(void)
  72 {
  73     int i;
  74     if (term_outbuf_index > 0) {
  75         for (i = 0; i < MAX_MON; i++)
  76             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  77                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  78         term_outbuf_index = 0;
  79     }
  80 }
  81
  82 /* flush at every end of line or if the buffer is full */
  83 void term_puts(const char *str)
  84 {
  85     int c;
  86     for(;;) {
  87         c = *str++;
  88         if (c == '\0')
  89             break;
  90         if (c == '\n')
  91             term_outbuf[term_outbuf_index++] = '\r';
  92         term_outbuf[term_outbuf_index++] = c;
  93         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  94             c == '\n')
  95             term_flush();
  96     }
  97 }
  98
  99 void term_vprintf(const char *fmt, va_list ap)
 100 {
 101     char buf[4096];
 102     vsnprintf(buf, sizeof(buf), fmt, ap);
 103     term_puts(buf);
 104 }
 105
 106 void term_printf(const char *fmt, ...)
 107 {
 108     va_list ap;
 109     va_start(ap, fmt);
 110     term_vprintf(fmt, ap);
 111     va_end(ap);
 112 }
 113
 114 void term_print_filename(const char *filename)
 115 {
 116     int i;
 117
 118     for (i = 0; filename[i]; i++) {
 119         switch (filename[i]) {
 120         case ' ':
 121         case '"':
 122         case '\\':
 123             term_printf("\\%c", filename[i]);
 124             break;
 125         case '\t':
 126             term_printf("\\t");
 127             break;
 128         case '\r':
 129             term_printf("\\r");
 130             break;
 131         case '\n':
 132             term_printf("\\n");
 133             break;
 134         default:
 135             term_printf("%c", filename[i]);
 136             break;
 137         }
 138     }
 139 }
 140
 141 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 142 {
 143     va_list ap;
 144     va_start(ap, fmt);
 145     term_vprintf(fmt, ap);
 146     va_end(ap);
 147     return 0;
 148 }
 149
 150 static int compare_cmd(const char *name, const char *list)
 151 {
 152     const char *p, *pstart;
 153     int len;
 154     len = strlen(name);
 155     p = list;
 156     for(;;) {
 157         pstart = p;
 158         p = strchr(p, '|');
 159         if (!p)
 160             p = pstart + strlen(pstart);
 161         if ((p - pstart) == len && !memcmp(pstart, name, len))
 162             return 1;
 163         if (*p == '\0')
 164             break;
 165         p++;
 166     }
 167     return 0;
 168 }
 169
 170 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 171 {
 172     term_cmd_t *cmd;
 173
 174     for(cmd = cmds; cmd->name != NULL; cmd++) {
 175         if (!name || !strcmp(name, cmd->name))
 176             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 177     }
 178 }
 179
 180 static void help_cmd(const char *name)
 181 {
 182     if (name && !strcmp(name, "info")) {
 183         help_cmd1(info_cmds, "info ", NULL);
 184     } else {
 185         help_cmd1(term_cmds, "", name);
 186         if (name && !strcmp(name, "log")) {
 187             CPULogItem *item;
 188             term_printf("Log items (comma separated):\n");
 189             term_printf("%-10s %s\n", "none", "remove all logs");
 190             for(item = cpu_log_items; item->mask != 0; item++) {
 191                 term_printf("%-10s %s\n", item->name, item->help);
 192             }
 193         }
 194     }
 195 }
 196
 197 static void do_help(const char *name)
 198 {
 199     help_cmd(name);
 200 }
 201
 202 static void do_commit(const char *device)
 203 {
 204     int i, all_devices;
 205
 206     all_devices = !strcmp(device, "all");
 207     for (i = 0; i < MAX_DISKS; i++) {
 208         if (bs_table[i]) {
 209             if (all_devices ||
 210                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 211                 bdrv_commit(bs_table[i]);
 212         }
 213     }
 214     if (mtd_bdrv)
 215         if (all_devices || !strcmp(bdrv_get_device_name(mtd_bdrv), device))
 216             bdrv_commit(mtd_bdrv);
 217 }
 218
 219 static void do_info(const char *item)
 220 {
 221     term_cmd_t *cmd;
 222
 223     if (!item)
 224         goto help;
 225     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 226         if (compare_cmd(item, cmd->name))
 227             goto found;
 228     }
 229  help:
 230     help_cmd("info");
 231     return;
 232  found:
 233     cmd->handler();
 234 }
 235
 236 static void do_info_version(void)
 237 {
 238   term_printf("%s\n", QEMU_VERSION);
 239 }
 240
 241 static void do_info_name(void)
 242 {
 243     if (qemu_name)
 244         term_printf("%s\n", qemu_name);
 245 }
 246
 247 static void do_info_block(void)
 248 {
 249     bdrv_info();
 250 }
 251
 252 /* get the current CPU defined by the user */
 253 int mon_set_cpu(int cpu_index)
 254 {
 255     CPUState *env;
 256
 257     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 258         if (env->cpu_index == cpu_index) {
 259             mon_cpu = env;
 260             return 0;
 261         }
 262     }
 263     return -1;
 264 }
 265
 266 CPUState *mon_get_cpu(void)
 267 {
 268     if (!mon_cpu) {
 269         mon_set_cpu(0);
 270     }
 271     return mon_cpu;
 272 }
 273
 274 static void do_info_registers(void)
 275 {
 276     CPUState *env;
 277     env = mon_get_cpu();
 278     if (!env)
 279         return;
 280 #ifdef TARGET_I386
 281     cpu_dump_state(env, NULL, monitor_fprintf,
 282                    X86_DUMP_FPU);
 283 #else
 284     cpu_dump_state(env, NULL, monitor_fprintf,
 285                    0);
 286 #endif
 287 }
 288
 289 static void do_info_cpus(void)
 290 {
 291     CPUState *env;
 292
 293     /* just to set the default cpu if not already done */
 294     mon_get_cpu();
 295
 296     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 297         term_printf("%c CPU #%d:",
 298                     (env == mon_cpu) ? '*' : ' ',
 299                     env->cpu_index);
 300 #if defined(TARGET_I386)
 301         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 302         if (env->hflags & HF_HALTED_MASK)
 303             term_printf(" (halted)");
 304 #elif defined(TARGET_PPC)
 305         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 306         if (env->halted)
 307             term_printf(" (halted)");
 308 #elif defined(TARGET_SPARC)
 309         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 310         if (env->halted)
 311             term_printf(" (halted)");
 312 #endif
 313         term_printf("\n");
 314     }
 315 }
 316
 317 static void do_cpu_set(int index)
 318 {
 319     if (mon_set_cpu(index) < 0)
 320         term_printf("Invalid CPU index\n");
 321 }
 322
 323 static void do_info_jit(void)
 324 {
 325     dump_exec_info(NULL, monitor_fprintf);
 326 }
 327
 328 static void do_info_history (void)
 329 {
 330     int i;
 331     const char *str;
 332
 333     i = 0;
 334     for(;;) {
 335         str = readline_get_history(i);
 336         if (!str)
 337             break;
 338         term_printf("%d: '%s'\n", i, str);
 339         i++;
 340     }
 341 }
 342
 343 #if defined(TARGET_PPC)
 344 /* XXX: not implemented in other targets */
 345 static void do_info_cpu_stats (void)
 346 {
 347     CPUState *env;
 348
 349     env = mon_get_cpu();
 350     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 351 }
 352 #endif
 353
 354 static void do_quit(void)
 355 {
 356     exit(0);
 357 }
 358
 359 static int eject_device(BlockDriverState *bs, int force)
 360 {
 361     if (bdrv_is_inserted(bs)) {
 362         if (!force) {
 363             if (!bdrv_is_removable(bs)) {
 364                 term_printf("device is not removable\n");
 365                 return -1;
 366             }
 367             if (bdrv_is_locked(bs)) {
 368                 term_printf("device is locked\n");
 369                 return -1;
 370             }
 371         }
 372         bdrv_close(bs);
 373     }
 374     return 0;
 375 }
 376
 377 static void do_eject(int force, const char *filename)
 378 {
 379     BlockDriverState *bs;
 380
 381     bs = bdrv_find(filename);
 382     if (!bs) {
 383         term_printf("device not found\n");
 384         return;
 385     }
 386     eject_device(bs, force);
 387 }
 388
 389 static void do_change_block(const char *device, const char *filename)
 390 {
 391     BlockDriverState *bs;
 392
 393     bs = bdrv_find(device);
 394     if (!bs) {
 395         term_printf("device not found\n");
 396         return;
 397     }
 398     if (eject_device(bs, 0) < 0)
 399         return;
 400     bdrv_open(bs, filename, 0);
 401     qemu_key_check(bs, filename);
 402 }
 403
 404 static void do_change_vnc(const char *target)
 405 {
 406     if (vnc_display_open(NULL, target) < 0)
 407         term_printf("could not start VNC server on %s\n", target);
 408 }
 409
 410 static void do_change(const char *device, const char *target)
 411 {
 412     if (strcmp(device, "vnc") == 0) {
 413         do_change_vnc(target);
 414     } else {
 415         do_change_block(device, target);
 416     }
 417 }
 418
 419 static void do_screen_dump(const char *filename)
 420 {
 421     vga_hw_screen_dump(filename);
 422 }
 423
 424 static void do_logfile(const char *filename)
 425 {
 426     cpu_set_log_filename(filename);
 427 }
 428
 429 static void do_log(const char *items)
 430 {
 431     int mask;
 432
 433     if (!strcmp(items, "none")) {
 434         mask = 0;
 435     } else {
 436         mask = cpu_str_to_log_mask(items);
 437         if (!mask) {
 438             help_cmd("log");
 439             return;
 440         }
 441     }
 442     cpu_set_log(mask);
 443 }
 444
 445 static void do_stop(void)
 446 {
 447     vm_stop(EXCP_INTERRUPT);
 448 }
 449
 450 static void do_cont(void)
 451 {
 452     vm_start();
 453 }
 454
 455 #ifdef CONFIG_GDBSTUB
 456 static void do_gdbserver(const char *port)
 457 {
 458     if (!port)
 459         port = DEFAULT_GDBSTUB_PORT;
 460     if (gdbserver_start(port) < 0) {
 461         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 462     } else {
 463         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 464     }
 465 }
 466 #endif
 467
 468 static void term_printc(int c)
 469 {
 470     term_printf("'");
 471     switch(c) {
 472     case '\'':
 473         term_printf("\\'");
 474         break;
 475     case '\\':
 476         term_printf("\\\\");
 477         break;
 478     case '\n':
 479         term_printf("\\n");
 480         break;
 481     case '\r':
 482         term_printf("\\r");
 483         break;
 484     default:
 485         if (c >= 32 && c <= 126) {
 486             term_printf("%c", c);
 487         } else {
 488             term_printf("\\x%02x", c);
 489         }
 490         break;
 491     }
 492     term_printf("'");
 493 }
 494
 495 static void memory_dump(int count, int format, int wsize,
 496                         target_ulong addr, int is_physical)
 497 {
 498     CPUState *env;
 499     int nb_per_line, l, line_size, i, max_digits, len;
 500     uint8_t buf[16];
 501     uint64_t v;
 502
 503     if (format == 'i') {
 504         int flags;
 505         flags = 0;
 506         env = mon_get_cpu();
 507         if (!env && !is_physical)
 508             return;
 509 #ifdef TARGET_I386
 510         if (wsize == 2) {
 511             flags = 1;
 512         } else if (wsize == 4) {
 513             flags = 0;
 514         } else {
 515             /* as default we use the current CS size */
 516             flags = 0;
 517             if (env) {
 518 #ifdef TARGET_X86_64
 519                 if ((env->efer & MSR_EFER_LMA) &&
 520                     (env->segs[R_CS].flags & DESC_L_MASK))
 521                     flags = 2;
 522                 else
 523 #endif
 524                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 525                     flags = 1;
 526             }
 527         }
 528 #endif
 529         monitor_disas(env, addr, count, is_physical, flags);
 530         return;
 531     }
 532
 533     len = wsize * count;
 534     if (wsize == 1)
 535         line_size = 8;
 536     else
 537         line_size = 16;
 538     nb_per_line = line_size / wsize;
 539     max_digits = 0;
 540
 541     switch(format) {
 542     case 'o':
 543         max_digits = (wsize * 8 + 2) / 3;
 544         break;
 545     default:
 546     case 'x':
 547         max_digits = (wsize * 8) / 4;
 548         break;
 549     case 'u':
 550     case 'd':
 551         max_digits = (wsize * 8 * 10 + 32) / 33;
 552         break;
 553     case 'c':
 554         wsize = 1;
 555         break;
 556     }
 557
 558     while (len > 0) {
 559         term_printf(TARGET_FMT_lx ":", addr);
 560         l = len;
 561         if (l > line_size)
 562             l = line_size;
 563         if (is_physical) {
 564             cpu_physical_memory_rw(addr, buf, l, 0);
 565         } else {
 566             env = mon_get_cpu();
 567             if (!env)
 568                 break;
 569             cpu_memory_rw_debug(env, addr, buf, l, 0);
 570         }
 571         i = 0;
 572         while (i < l) {
 573             switch(wsize) {
 574             default:
 575             case 1:
 576                 v = ldub_raw(buf + i);
 577                 break;
 578             case 2:
 579                 v = lduw_raw(buf + i);
 580                 break;
 581             case 4:
 582                 v = (uint32_t)ldl_raw(buf + i);
 583                 break;
 584             case 8:
 585                 v = ldq_raw(buf + i);
 586                 break;
 587             }
 588             term_printf(" ");
 589             switch(format) {
 590             case 'o':
 591                 term_printf("%#*" PRIo64, max_digits, v);
 592                 break;
 593             case 'x':
 594                 term_printf("0x%0*" PRIx64, max_digits, v);
 595                 break;
 596             case 'u':
 597                 term_printf("%*" PRIu64, max_digits, v);
 598                 break;
 599             case 'd':
 600                 term_printf("%*" PRId64, max_digits, v);
 601                 break;
 602             case 'c':
 603                 term_printc(v);
 604                 break;
 605             }
 606             i += wsize;
 607         }
 608         term_printf("\n");
 609         addr += l;
 610         len -= l;
 611     }
 612 }
 613
 614 #if TARGET_LONG_BITS == 64
 615 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 616 #else
 617 #define GET_TLONG(h, l) (l)
 618 #endif
 619
 620 static void do_memory_dump(int count, int format, int size,
 621                            uint32_t addrh, uint32_t addrl)
 622 {
 623     target_long addr = GET_TLONG(addrh, addrl);
 624     memory_dump(count, format, size, addr, 0);
 625 }
 626
 627 static void do_physical_memory_dump(int count, int format, int size,
 628                                     uint32_t addrh, uint32_t addrl)
 629
 630 {
 631     target_long addr = GET_TLONG(addrh, addrl);
 632     memory_dump(count, format, size, addr, 1);
 633 }
 634
 635 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 636 {
 637     target_long val = GET_TLONG(valh, vall);
 638 #if TARGET_LONG_BITS == 32
 639     switch(format) {
 640     case 'o':
 641         term_printf("%#o", val);
 642         break;
 643     case 'x':
 644         term_printf("%#x", val);
 645         break;
 646     case 'u':
 647         term_printf("%u", val);
 648         break;
 649     default:
 650     case 'd':
 651         term_printf("%d", val);
 652         break;
 653     case 'c':
 654         term_printc(val);
 655         break;
 656     }
 657 #else
 658     switch(format) {
 659     case 'o':
 660         term_printf("%#" PRIo64, val);
 661         break;
 662     case 'x':
 663         term_printf("%#" PRIx64, val);
 664         break;
 665     case 'u':
 666         term_printf("%" PRIu64, val);
 667         break;
 668     default:
 669     case 'd':
 670         term_printf("%" PRId64, val);
 671         break;
 672     case 'c':
 673         term_printc(val);
 674         break;
 675     }
 676 #endif
 677     term_printf("\n");
 678 }
 679
 680 static void do_memory_save(unsigned int valh, unsigned int vall,
 681                            uint32_t size, const char *filename)
 682 {
 683     FILE *f;
 684     target_long addr = GET_TLONG(valh, vall);
 685     uint32_t l;
 686     CPUState *env;
 687     uint8_t buf[1024];
 688
 689     env = mon_get_cpu();
 690     if (!env)
 691         return;
 692
 693     f = fopen(filename, "wb");
 694     if (!f) {
 695         term_printf("could not open '%s'\n", filename);
 696         return;
 697     }
 698     while (size != 0) {
 699         l = sizeof(buf);
 700         if (l > size)
 701             l = size;
 702         cpu_memory_rw_debug(env, addr, buf, l, 0);
 703         fwrite(buf, 1, l, f);
 704         addr += l;
 705         size -= l;
 706     }
 707     fclose(f);
 708 }
 709
 710 static void do_sum(uint32_t start, uint32_t size)
 711 {
 712     uint32_t addr;
 713     uint8_t buf[1];
 714     uint16_t sum;
 715
 716     sum = 0;
 717     for(addr = start; addr < (start + size); addr++) {
 718         cpu_physical_memory_rw(addr, buf, 1, 0);
 719         /* BSD sum algorithm ('sum' Unix command) */
 720         sum = (sum >> 1) | (sum << 15);
 721         sum += buf[0];
 722     }
 723     term_printf("%05d\n", sum);
 724 }
 725
 726 typedef struct {
 727     int keycode;
 728     const char *name;
 729 } KeyDef;
 730
 731 static const KeyDef key_defs[] = {
 732     { 0x2a, "shift" },
 733     { 0x36, "shift_r" },
 734
 735     { 0x38, "alt" },
 736     { 0xb8, "alt_r" },
 737     { 0x1d, "ctrl" },
 738     { 0x9d, "ctrl_r" },
 739
 740     { 0xdd, "menu" },
 741
 742     { 0x01, "esc" },
 743
 744     { 0x02, "1" },
 745     { 0x03, "2" },
 746     { 0x04, "3" },
 747     { 0x05, "4" },
 748     { 0x06, "5" },
 749     { 0x07, "6" },
 750     { 0x08, "7" },
 751     { 0x09, "8" },
 752     { 0x0a, "9" },
 753     { 0x0b, "0" },
 754     { 0x0c, "minus" },
 755     { 0x0d, "equal" },
 756     { 0x0e, "backspace" },
 757
 758     { 0x0f, "tab" },
 759     { 0x10, "q" },
 760     { 0x11, "w" },
 761     { 0x12, "e" },
 762     { 0x13, "r" },
 763     { 0x14, "t" },
 764     { 0x15, "y" },
 765     { 0x16, "u" },
 766     { 0x17, "i" },
 767     { 0x18, "o" },
 768     { 0x19, "p" },
 769
 770     { 0x1c, "ret" },
 771
 772     { 0x1e, "a" },
 773     { 0x1f, "s" },
 774     { 0x20, "d" },
 775     { 0x21, "f" },
 776     { 0x22, "g" },
 777     { 0x23, "h" },
 778     { 0x24, "j" },
 779     { 0x25, "k" },
 780     { 0x26, "l" },
 781
 782     { 0x2c, "z" },
 783     { 0x2d, "x" },
 784     { 0x2e, "c" },
 785     { 0x2f, "v" },
 786     { 0x30, "b" },
 787     { 0x31, "n" },
 788     { 0x32, "m" },
 789
 790     { 0x39, "spc" },
 791     { 0x3a, "caps_lock" },
 792     { 0x3b, "f1" },
 793     { 0x3c, "f2" },
 794     { 0x3d, "f3" },
 795     { 0x3e, "f4" },
 796     { 0x3f, "f5" },
 797     { 0x40, "f6" },
 798     { 0x41, "f7" },
 799     { 0x42, "f8" },
 800     { 0x43, "f9" },
 801     { 0x44, "f10" },
 802     { 0x45, "num_lock" },
 803     { 0x46, "scroll_lock" },
 804
 805     { 0xb5, "kp_divide" },
 806     { 0x37, "kp_multiply" },
 807     { 0x4a, "kp_subtract" },
 808     { 0x4e, "kp_add" },
 809     { 0x9c, "kp_enter" },
 810     { 0x53, "kp_decimal" },
 811
 812     { 0x52, "kp_0" },
 813     { 0x4f, "kp_1" },
 814     { 0x50, "kp_2" },
 815     { 0x51, "kp_3" },
 816     { 0x4b, "kp_4" },
 817     { 0x4c, "kp_5" },
 818     { 0x4d, "kp_6" },
 819     { 0x47, "kp_7" },
 820     { 0x48, "kp_8" },
 821     { 0x49, "kp_9" },
 822
 823     { 0x56, "<" },
 824
 825     { 0x57, "f11" },
 826     { 0x58, "f12" },
 827
 828     { 0xb7, "print" },
 829
 830     { 0xc7, "home" },
 831     { 0xc9, "pgup" },
 832     { 0xd1, "pgdn" },
 833     { 0xcf, "end" },
 834
 835     { 0xcb, "left" },
 836     { 0xc8, "up" },
 837     { 0xd0, "down" },
 838     { 0xcd, "right" },
 839
 840     { 0xd2, "insert" },
 841     { 0xd3, "delete" },
 842     { 0, NULL },
 843 };
 844
 845 static int get_keycode(const char *key)
 846 {
 847     const KeyDef *p;
 848     char *endp;
 849     int ret;
 850
 851     for(p = key_defs; p->name != NULL; p++) {
 852         if (!strcmp(key, p->name))
 853             return p->keycode;
 854     }
 855     if (strstart(key, "0x", NULL)) {
 856         ret = strtoul(key, &endp, 0);
 857         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 858             return ret;
 859     }
 860     return -1;
 861 }
 862
 863 static void do_send_key(const char *string)
 864 {
 865     char keybuf[16], *q;
 866     uint8_t keycodes[16];
 867     const char *p;
 868     int nb_keycodes, keycode, i;
 869
 870     nb_keycodes = 0;
 871     p = string;
 872     while (*p != '\0') {
 873         q = keybuf;
 874         while (*p != '\0' && *p != '-') {
 875             if ((q - keybuf) < sizeof(keybuf) - 1) {
 876                 *q++ = *p;
 877             }
 878             p++;
 879         }
 880         *q = '\0';
 881         keycode = get_keycode(keybuf);
 882         if (keycode < 0) {
 883             term_printf("unknown key: '%s'\n", keybuf);
 884             return;
 885         }
 886         keycodes[nb_keycodes++] = keycode;
 887         if (*p == '\0')
 888             break;
 889         p++;
 890     }
 891     /* key down events */
 892     for(i = 0; i < nb_keycodes; i++) {
 893         keycode = keycodes[i];
 894         if (keycode & 0x80)
 895             kbd_put_keycode(0xe0);
 896         kbd_put_keycode(keycode & 0x7f);
 897     }
 898     /* key up events */
 899     for(i = nb_keycodes - 1; i >= 0; i--) {
 900         keycode = keycodes[i];
 901         if (keycode & 0x80)
 902             kbd_put_keycode(0xe0);
 903         kbd_put_keycode(keycode | 0x80);
 904     }
 905 }
 906
 907 static int mouse_button_state;
 908
 909 static void do_mouse_move(const char *dx_str, const char *dy_str,
 910                           const char *dz_str)
 911 {
 912     int dx, dy, dz;
 913     dx = strtol(dx_str, NULL, 0);
 914     dy = strtol(dy_str, NULL, 0);
 915     dz = 0;
 916     if (dz_str)
 917         dz = strtol(dz_str, NULL, 0);
 918     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 919 }
 920
 921 static void do_mouse_button(int button_state)
 922 {
 923     mouse_button_state = button_state;
 924     kbd_mouse_event(0, 0, 0, mouse_button_state);
 925 }
 926
 927 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 928 {
 929     uint32_t val;
 930     int suffix;
 931
 932     if (has_index) {
 933         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 934         addr++;
 935     }
 936     addr &= 0xffff;
 937
 938     switch(size) {
 939     default:
 940     case 1:
 941         val = cpu_inb(NULL, addr);
 942         suffix = 'b';
 943         break;
 944     case 2:
 945         val = cpu_inw(NULL, addr);
 946         suffix = 'w';
 947         break;
 948     case 4:
 949         val = cpu_inl(NULL, addr);
 950         suffix = 'l';
 951         break;
 952     }
 953     term_printf("port%c[0x%04x] = %#0*x\n",
 954                 suffix, addr, size * 2, val);
 955 }
 956
 957 static void do_system_reset(void)
 958 {
 959     qemu_system_reset_request();
 960 }
 961
 962 static void do_system_powerdown(void)
 963 {
 964     qemu_system_powerdown_request();
 965 }
 966
 967 #if defined(TARGET_I386)
 968 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 969 {
 970     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 971                 addr,
 972                 pte & mask,
 973                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 974                 pte & PG_PSE_MASK ? 'P' : '-',
 975                 pte & PG_DIRTY_MASK ? 'D' : '-',
 976                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 977                 pte & PG_PCD_MASK ? 'C' : '-',
 978                 pte & PG_PWT_MASK ? 'T' : '-',
 979                 pte & PG_USER_MASK ? 'U' : '-',
 980                 pte & PG_RW_MASK ? 'W' : '-');
 981 }
 982
 983 static void tlb_info(void)
 984 {
 985     CPUState *env;
 986     int l1, l2;
 987     uint32_t pgd, pde, pte;
 988
 989     env = mon_get_cpu();
 990     if (!env)
 991         return;
 992
 993     if (!(env->cr[0] & CR0_PG_MASK)) {
 994         term_printf("PG disabled\n");
 995         return;
 996     }
 997     pgd = env->cr[3] & ~0xfff;
 998     for(l1 = 0; l1 < 1024; l1++) {
 999         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1000         pde = le32_to_cpu(pde);
1001         if (pde & PG_PRESENT_MASK) {
1002             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1003                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1004             } else {
1005                 for(l2 = 0; l2 < 1024; l2++) {
1006                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1007                                              (uint8_t *)&pte, 4);
1008                     pte = le32_to_cpu(pte);
1009                     if (pte & PG_PRESENT_MASK) {
1010                         print_pte((l1 << 22) + (l2 << 12),
1011                                   pte & ~PG_PSE_MASK,
1012                                   ~0xfff);
1013                     }
1014                 }
1015             }
1016         }
1017     }
1018 }
1019
1020 static void mem_print(uint32_t *pstart, int *plast_prot,
1021                       uint32_t end, int prot)
1022 {
1023     int prot1;
1024     prot1 = *plast_prot;
1025     if (prot != prot1) {
1026         if (*pstart != -1) {
1027             term_printf("%08x-%08x %08x %c%c%c\n",
1028                         *pstart, end, end - *pstart,
1029                         prot1 & PG_USER_MASK ? 'u' : '-',
1030                         'r',
1031                         prot1 & PG_RW_MASK ? 'w' : '-');
1032         }
1033         if (prot != 0)
1034             *pstart = end;
1035         else
1036             *pstart = -1;
1037         *plast_prot = prot;
1038     }
1039 }
1040
1041 static void mem_info(void)
1042 {
1043     CPUState *env;
1044     int l1, l2, prot, last_prot;
1045     uint32_t pgd, pde, pte, start, end;
1046
1047     env = mon_get_cpu();
1048     if (!env)
1049         return;
1050
1051     if (!(env->cr[0] & CR0_PG_MASK)) {
1052         term_printf("PG disabled\n");
1053         return;
1054     }
1055     pgd = env->cr[3] & ~0xfff;
1056     last_prot = 0;
1057     start = -1;
1058     for(l1 = 0; l1 < 1024; l1++) {
1059         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1060         pde = le32_to_cpu(pde);
1061         end = l1 << 22;
1062         if (pde & PG_PRESENT_MASK) {
1063             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1064                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1065                 mem_print(&start, &last_prot, end, prot);
1066             } else {
1067                 for(l2 = 0; l2 < 1024; l2++) {
1068                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1069                                              (uint8_t *)&pte, 4);
1070                     pte = le32_to_cpu(pte);
1071                     end = (l1 << 22) + (l2 << 12);
1072                     if (pte & PG_PRESENT_MASK) {
1073                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1074                     } else {
1075                         prot = 0;
1076                     }
1077                     mem_print(&start, &last_prot, end, prot);
1078                 }
1079             }
1080         } else {
1081             prot = 0;
1082             mem_print(&start, &last_prot, end, prot);
1083         }
1084     }
1085 }
1086 #endif
1087
1088 static void do_info_kqemu(void)
1089 {
1090 #ifdef USE_KQEMU
1091     CPUState *env;
1092     int val;
1093     val = 0;
1094     env = mon_get_cpu();
1095     if (!env) {
1096         term_printf("No cpu initialized yet");
1097         return;
1098     }
1099     val = env->kqemu_enabled;
1100     term_printf("kqemu support: ");
1101     switch(val) {
1102     default:
1103     case 0:
1104         term_printf("disabled\n");
1105         break;
1106     case 1:
1107         term_printf("enabled for user code\n");
1108         break;
1109     case 2:
1110         term_printf("enabled for user and kernel code\n");
1111         break;
1112     }
1113 #else
1114     term_printf("kqemu support: not compiled\n");
1115 #endif
1116 }
1117
1118 #ifdef CONFIG_PROFILER
1119
1120 int64_t kqemu_time;
1121 int64_t qemu_time;
1122 int64_t kqemu_exec_count;
1123 int64_t dev_time;
1124 int64_t kqemu_ret_int_count;
1125 int64_t kqemu_ret_excp_count;
1126 int64_t kqemu_ret_intr_count;
1127
1128 static void do_info_profile(void)
1129 {
1130     int64_t total;
1131     total = qemu_time;
1132     if (total == 0)
1133         total = 1;
1134     term_printf("async time  %" PRId64 " (%0.3f)\n",
1135                 dev_time, dev_time / (double)ticks_per_sec);
1136     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1137                 qemu_time, qemu_time / (double)ticks_per_sec);
1138     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1139                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1140                 kqemu_time / (double)total * 100.0,
1141                 kqemu_exec_count,
1142                 kqemu_ret_int_count,
1143                 kqemu_ret_excp_count,
1144                 kqemu_ret_intr_count);
1145     qemu_time = 0;
1146     kqemu_time = 0;
1147     kqemu_exec_count = 0;
1148     dev_time = 0;
1149     kqemu_ret_int_count = 0;
1150     kqemu_ret_excp_count = 0;
1151     kqemu_ret_intr_count = 0;
1152 #ifdef USE_KQEMU
1153     kqemu_record_dump();
1154 #endif
1155 }
1156 #else
1157 static void do_info_profile(void)
1158 {
1159     term_printf("Internal profiler not compiled\n");
1160 }
1161 #endif
1162
1163 /* Capture support */
1164 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1165
1166 static void do_info_capture (void)
1167 {
1168     int i;
1169     CaptureState *s;
1170
1171     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1172         term_printf ("[%d]: ", i);
1173         s->ops.info (s->opaque);
1174     }
1175 }
1176
1177 static void do_stop_capture (int n)
1178 {
1179     int i;
1180     CaptureState *s;
1181
1182     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1183         if (i == n) {
1184             s->ops.destroy (s->opaque);
1185             LIST_REMOVE (s, entries);
1186             qemu_free (s);
1187             return;
1188         }
1189     }
1190 }
1191
1192 #ifdef HAS_AUDIO
1193 int wav_start_capture (CaptureState *s, const char *path, int freq,
1194                        int bits, int nchannels);
1195
1196 static void do_wav_capture (const char *path,
1197                             int has_freq, int freq,
1198                             int has_bits, int bits,
1199                             int has_channels, int nchannels)
1200 {
1201     CaptureState *s;
1202
1203     s = qemu_mallocz (sizeof (*s));
1204     if (!s) {
1205         term_printf ("Not enough memory to add wave capture\n");
1206         return;
1207     }
1208
1209     freq = has_freq ? freq : 44100;
1210     bits = has_bits ? bits : 16;
1211     nchannels = has_channels ? nchannels : 2;
1212
1213     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1214         term_printf ("Faied to add wave capture\n");
1215         qemu_free (s);
1216     }
1217     LIST_INSERT_HEAD (&capture_head, s, entries);
1218 }
1219 #endif
1220
1221 static term_cmd_t term_cmds[] = {
1222     { "help|?", "s?", do_help,
1223       "[cmd]", "show the help" },
1224     { "commit", "s", do_commit,
1225       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1226     { "info", "s?", do_info,
1227       "subcommand", "show various information about the system state" },
1228     { "q|quit", "", do_quit,
1229       "", "quit the emulator" },
1230     { "eject", "-fB", do_eject,
1231       "[-f] device", "eject a removable medium (use -f to force it)" },
1232     { "change", "BF", do_change,
1233       "device filename", "change a removable medium" },
1234     { "screendump", "F", do_screen_dump,
1235       "filename", "save screen into PPM image 'filename'" },
1236     { "logfile", "s", do_logfile,
1237       "filename", "output logs to 'filename'" },
1238     { "log", "s", do_log,
1239       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1240     { "savevm", "s?", do_savevm,
1241       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1242     { "loadvm", "s", do_loadvm,
1243       "tag|id", "restore a VM snapshot from its tag or id" },
1244     { "delvm", "s", do_delvm,
1245       "tag|id", "delete a VM snapshot from its tag or id" },
1246     { "stop", "", do_stop,
1247       "", "stop emulation", },
1248     { "c|cont", "", do_cont,
1249       "", "resume emulation", },
1250 #ifdef CONFIG_GDBSTUB
1251     { "gdbserver", "s?", do_gdbserver,
1252       "[port]", "start gdbserver session (default port=1234)", },
1253 #endif
1254     { "x", "/l", do_memory_dump,
1255       "/fmt addr", "virtual memory dump starting at 'addr'", },
1256     { "xp", "/l", do_physical_memory_dump,
1257       "/fmt addr", "physical memory dump starting at 'addr'", },
1258     { "p|print", "/l", do_print,
1259       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1260     { "i", "/ii.", do_ioport_read,
1261       "/fmt addr", "I/O port read" },
1262
1263     { "sendkey", "s", do_send_key,
1264       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1265     { "system_reset", "", do_system_reset,
1266       "", "reset the system" },
1267     { "system_powerdown", "", do_system_powerdown,
1268       "", "send system power down event" },
1269     { "sum", "ii", do_sum,
1270       "addr size", "compute the checksum of a memory region" },
1271     { "usb_add", "s", do_usb_add,
1272       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1273     { "usb_del", "s", do_usb_del,
1274       "device", "remove USB device 'bus.addr'" },
1275     { "cpu", "i", do_cpu_set,
1276       "index", "set the default CPU" },
1277     { "mouse_move", "sss?", do_mouse_move,
1278       "dx dy [dz]", "send mouse move events" },
1279     { "mouse_button", "i", do_mouse_button,
1280       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1281     { "mouse_set", "i", do_mouse_set,
1282       "index", "set which mouse device receives events" },
1283 #ifdef HAS_AUDIO
1284     { "wavcapture", "si?i?i?", do_wav_capture,
1285       "path [frequency bits channels]",
1286       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1287 #endif
1288      { "stopcapture", "i", do_stop_capture,
1289        "capture index", "stop capture" },
1290     { "memsave", "lis", do_memory_save,
1291       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1292     { NULL, NULL, },
1293 };
1294
1295 static term_cmd_t info_cmds[] = {
1296     { "version", "", do_info_version,
1297       "", "show the version of qemu" },
1298     { "network", "", do_info_network,
1299       "", "show the network state" },
1300     { "block", "", do_info_block,
1301       "", "show the block devices" },
1302     { "registers", "", do_info_registers,
1303       "", "show the cpu registers" },
1304     { "cpus", "", do_info_cpus,
1305       "", "show infos for each CPU" },
1306     { "history", "", do_info_history,
1307       "", "show the command line history", },
1308     { "irq", "", irq_info,
1309       "", "show the interrupts statistics (if available)", },
1310     { "pic", "", pic_info,
1311       "", "show i8259 (PIC) state", },
1312     { "pci", "", pci_info,
1313       "", "show PCI info", },
1314 #if defined(TARGET_I386)
1315     { "tlb", "", tlb_info,
1316       "", "show virtual to physical memory mappings", },
1317     { "mem", "", mem_info,
1318       "", "show the active virtual memory mappings", },
1319 #endif
1320     { "jit", "", do_info_jit,
1321       "", "show dynamic compiler info", },
1322     { "kqemu", "", do_info_kqemu,
1323       "", "show kqemu information", },
1324     { "usb", "", usb_info,
1325       "", "show guest USB devices", },
1326     { "usbhost", "", usb_host_info,
1327       "", "show host USB devices", },
1328     { "profile", "", do_info_profile,
1329       "", "show profiling information", },
1330     { "capture", "", do_info_capture,
1331       "", "show capture information" },
1332     { "snapshots", "", do_info_snapshots,
1333       "", "show the currently saved VM snapshots" },
1334     { "pcmcia", "", pcmcia_info,
1335       "", "show guest PCMCIA status" },
1336     { "mice", "", do_info_mice,
1337       "", "show which guest mouse is receiving events" },
1338     { "vnc", "", do_info_vnc,
1339       "", "show the vnc server status"},
1340     { "name", "", do_info_name,
1341       "", "show the current VM name" },
1342 #if defined(TARGET_PPC)
1343     { "cpustats", "", do_info_cpu_stats,
1344       "", "show CPU statistics", },
1345 #endif
1346     { NULL, NULL, },
1347 };
1348
1349 /*******************************************************************/
1350
1351 static const char *pch;
1352 static jmp_buf expr_env;
1353
1354 #define MD_TLONG 0
1355 #define MD_I32   1
1356
1357 typedef struct MonitorDef {
1358     const char *name;
1359     int offset;
1360     target_long (*get_value)(struct MonitorDef *md, int val);
1361     int type;
1362 } MonitorDef;
1363
1364 #if defined(TARGET_I386)
1365 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1366 {
1367     CPUState *env = mon_get_cpu();
1368     if (!env)
1369         return 0;
1370     return env->eip + env->segs[R_CS].base;
1371 }
1372 #endif
1373
1374 #if defined(TARGET_PPC)
1375 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1376 {
1377     CPUState *env = mon_get_cpu();
1378     unsigned int u;
1379     int i;
1380
1381     if (!env)
1382         return 0;
1383
1384     u = 0;
1385     for (i = 0; i < 8; i++)
1386         u |= env->crf[i] << (32 - (4 * i));
1387
1388     return u;
1389 }
1390
1391 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1392 {
1393     CPUState *env = mon_get_cpu();
1394     if (!env)
1395         return 0;
1396     return (env->msr[MSR_POW] << MSR_POW) |
1397         (env->msr[MSR_ILE] << MSR_ILE) |
1398         (env->msr[MSR_EE] << MSR_EE) |
1399         (env->msr[MSR_PR] << MSR_PR) |
1400         (env->msr[MSR_FP] << MSR_FP) |
1401         (env->msr[MSR_ME] << MSR_ME) |
1402         (env->msr[MSR_FE0] << MSR_FE0) |
1403         (env->msr[MSR_SE] << MSR_SE) |
1404         (env->msr[MSR_BE] << MSR_BE) |
1405         (env->msr[MSR_FE1] << MSR_FE1) |
1406         (env->msr[MSR_IP] << MSR_IP) |
1407         (env->msr[MSR_IR] << MSR_IR) |
1408         (env->msr[MSR_DR] << MSR_DR) |
1409         (env->msr[MSR_RI] << MSR_RI) |
1410         (env->msr[MSR_LE] << MSR_LE);
1411 }
1412
1413 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1414 {
1415     CPUState *env = mon_get_cpu();
1416     if (!env)
1417         return 0;
1418     return (env->xer[XER_SO] << XER_SO) |
1419         (env->xer[XER_OV] << XER_OV) |
1420         (env->xer[XER_CA] << XER_CA) |
1421         (env->xer[XER_BC] << XER_BC);
1422 }
1423
1424 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1425 {
1426     CPUState *env = mon_get_cpu();
1427     if (!env)
1428         return 0;
1429     return cpu_ppc_load_decr(env);
1430 }
1431
1432 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1433 {
1434     CPUState *env = mon_get_cpu();
1435     if (!env)
1436         return 0;
1437     return cpu_ppc_load_tbu(env);
1438 }
1439
1440 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1441 {
1442     CPUState *env = mon_get_cpu();
1443     if (!env)
1444         return 0;
1445     return cpu_ppc_load_tbl(env);
1446 }
1447 #endif
1448
1449 #if defined(TARGET_SPARC)
1450 #ifndef TARGET_SPARC64
1451 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1452 {
1453     CPUState *env = mon_get_cpu();
1454     if (!env)
1455         return 0;
1456     return GET_PSR(env);
1457 }
1458 #endif
1459
1460 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1461 {
1462     CPUState *env = mon_get_cpu();
1463     if (!env)
1464         return 0;
1465     return env->regwptr[val];
1466 }
1467 #endif
1468
1469 static MonitorDef monitor_defs[] = {
1470 #ifdef TARGET_I386
1471
1472 #define SEG(name, seg) \
1473     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1474     { name ".base", offsetof(CPUState, segs[seg].base) },\
1475     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1476
1477     { "eax", offsetof(CPUState, regs[0]) },
1478     { "ecx", offsetof(CPUState, regs[1]) },
1479     { "edx", offsetof(CPUState, regs[2]) },
1480     { "ebx", offsetof(CPUState, regs[3]) },
1481     { "esp|sp", offsetof(CPUState, regs[4]) },
1482     { "ebp|fp", offsetof(CPUState, regs[5]) },
1483     { "esi", offsetof(CPUState, regs[6]) },
1484     { "edi", offsetof(CPUState, regs[7]) },
1485 #ifdef TARGET_X86_64
1486     { "r8", offsetof(CPUState, regs[8]) },
1487     { "r9", offsetof(CPUState, regs[9]) },
1488     { "r10", offsetof(CPUState, regs[10]) },
1489     { "r11", offsetof(CPUState, regs[11]) },
1490     { "r12", offsetof(CPUState, regs[12]) },
1491     { "r13", offsetof(CPUState, regs[13]) },
1492     { "r14", offsetof(CPUState, regs[14]) },
1493     { "r15", offsetof(CPUState, regs[15]) },
1494 #endif
1495     { "eflags", offsetof(CPUState, eflags) },
1496     { "eip", offsetof(CPUState, eip) },
1497     SEG("cs", R_CS)
1498     SEG("ds", R_DS)
1499     SEG("es", R_ES)
1500     SEG("ss", R_SS)
1501     SEG("fs", R_FS)
1502     SEG("gs", R_GS)
1503     { "pc", 0, monitor_get_pc, },
1504 #elif defined(TARGET_PPC)
1505     { "r0", offsetof(CPUState, gpr[0]) },
1506     { "r1", offsetof(CPUState, gpr[1]) },
1507     { "r2", offsetof(CPUState, gpr[2]) },
1508     { "r3", offsetof(CPUState, gpr[3]) },
1509     { "r4", offsetof(CPUState, gpr[4]) },
1510     { "r5", offsetof(CPUState, gpr[5]) },
1511     { "r6", offsetof(CPUState, gpr[6]) },
1512     { "r7", offsetof(CPUState, gpr[7]) },
1513     { "r8", offsetof(CPUState, gpr[8]) },
1514     { "r9", offsetof(CPUState, gpr[9]) },
1515     { "r10", offsetof(CPUState, gpr[10]) },
1516     { "r11", offsetof(CPUState, gpr[11]) },
1517     { "r12", offsetof(CPUState, gpr[12]) },
1518     { "r13", offsetof(CPUState, gpr[13]) },
1519     { "r14", offsetof(CPUState, gpr[14]) },
1520     { "r15", offsetof(CPUState, gpr[15]) },
1521     { "r16", offsetof(CPUState, gpr[16]) },
1522     { "r17", offsetof(CPUState, gpr[17]) },
1523     { "r18", offsetof(CPUState, gpr[18]) },
1524     { "r19", offsetof(CPUState, gpr[19]) },
1525     { "r20", offsetof(CPUState, gpr[20]) },
1526     { "r21", offsetof(CPUState, gpr[21]) },
1527     { "r22", offsetof(CPUState, gpr[22]) },
1528     { "r23", offsetof(CPUState, gpr[23]) },
1529     { "r24", offsetof(CPUState, gpr[24]) },
1530     { "r25", offsetof(CPUState, gpr[25]) },
1531     { "r26", offsetof(CPUState, gpr[26]) },
1532     { "r27", offsetof(CPUState, gpr[27]) },
1533     { "r28", offsetof(CPUState, gpr[28]) },
1534     { "r29", offsetof(CPUState, gpr[29]) },
1535     { "r30", offsetof(CPUState, gpr[30]) },
1536     { "r31", offsetof(CPUState, gpr[31]) },
1537     { "nip|pc", offsetof(CPUState, nip) },
1538     { "lr", offsetof(CPUState, lr) },
1539     { "ctr", offsetof(CPUState, ctr) },
1540     { "decr", 0, &monitor_get_decr, },
1541     { "ccr", 0, &monitor_get_ccr, },
1542     { "msr", 0, &monitor_get_msr, },
1543     { "xer", 0, &monitor_get_xer, },
1544     { "tbu", 0, &monitor_get_tbu, },
1545     { "tbl", 0, &monitor_get_tbl, },
1546     { "sdr1", offsetof(CPUState, sdr1) },
1547     { "sr0", offsetof(CPUState, sr[0]) },
1548     { "sr1", offsetof(CPUState, sr[1]) },
1549     { "sr2", offsetof(CPUState, sr[2]) },
1550     { "sr3", offsetof(CPUState, sr[3]) },
1551     { "sr4", offsetof(CPUState, sr[4]) },
1552     { "sr5", offsetof(CPUState, sr[5]) },
1553     { "sr6", offsetof(CPUState, sr[6]) },
1554     { "sr7", offsetof(CPUState, sr[7]) },
1555     { "sr8", offsetof(CPUState, sr[8]) },
1556     { "sr9", offsetof(CPUState, sr[9]) },
1557     { "sr10", offsetof(CPUState, sr[10]) },
1558     { "sr11", offsetof(CPUState, sr[11]) },
1559     { "sr12", offsetof(CPUState, sr[12]) },
1560     { "sr13", offsetof(CPUState, sr[13]) },
1561     { "sr14", offsetof(CPUState, sr[14]) },
1562     { "sr15", offsetof(CPUState, sr[15]) },
1563     /* Too lazy to put BATs and SPRs ... */
1564 #elif defined(TARGET_SPARC)
1565     { "g0", offsetof(CPUState, gregs[0]) },
1566     { "g1", offsetof(CPUState, gregs[1]) },
1567     { "g2", offsetof(CPUState, gregs[2]) },
1568     { "g3", offsetof(CPUState, gregs[3]) },
1569     { "g4", offsetof(CPUState, gregs[4]) },
1570     { "g5", offsetof(CPUState, gregs[5]) },
1571     { "g6", offsetof(CPUState, gregs[6]) },
1572     { "g7", offsetof(CPUState, gregs[7]) },
1573     { "o0", 0, monitor_get_reg },
1574     { "o1", 1, monitor_get_reg },
1575     { "o2", 2, monitor_get_reg },
1576     { "o3", 3, monitor_get_reg },
1577     { "o4", 4, monitor_get_reg },
1578     { "o5", 5, monitor_get_reg },
1579     { "o6", 6, monitor_get_reg },
1580     { "o7", 7, monitor_get_reg },
1581     { "l0", 8, monitor_get_reg },
1582     { "l1", 9, monitor_get_reg },
1583     { "l2", 10, monitor_get_reg },
1584     { "l3", 11, monitor_get_reg },
1585     { "l4", 12, monitor_get_reg },
1586     { "l5", 13, monitor_get_reg },
1587     { "l6", 14, monitor_get_reg },
1588     { "l7", 15, monitor_get_reg },
1589     { "i0", 16, monitor_get_reg },
1590     { "i1", 17, monitor_get_reg },
1591     { "i2", 18, monitor_get_reg },
1592     { "i3", 19, monitor_get_reg },
1593     { "i4", 20, monitor_get_reg },
1594     { "i5", 21, monitor_get_reg },
1595     { "i6", 22, monitor_get_reg },
1596     { "i7", 23, monitor_get_reg },
1597     { "pc", offsetof(CPUState, pc) },
1598     { "npc", offsetof(CPUState, npc) },
1599     { "y", offsetof(CPUState, y) },
1600 #ifndef TARGET_SPARC64
1601     { "psr", 0, &monitor_get_psr, },
1602     { "wim", offsetof(CPUState, wim) },
1603 #endif
1604     { "tbr", offsetof(CPUState, tbr) },
1605     { "fsr", offsetof(CPUState, fsr) },
1606     { "f0", offsetof(CPUState, fpr[0]) },
1607     { "f1", offsetof(CPUState, fpr[1]) },
1608     { "f2", offsetof(CPUState, fpr[2]) },
1609     { "f3", offsetof(CPUState, fpr[3]) },
1610     { "f4", offsetof(CPUState, fpr[4]) },
1611     { "f5", offsetof(CPUState, fpr[5]) },
1612     { "f6", offsetof(CPUState, fpr[6]) },
1613     { "f7", offsetof(CPUState, fpr[7]) },
1614     { "f8", offsetof(CPUState, fpr[8]) },
1615     { "f9", offsetof(CPUState, fpr[9]) },
1616     { "f10", offsetof(CPUState, fpr[10]) },
1617     { "f11", offsetof(CPUState, fpr[11]) },
1618     { "f12", offsetof(CPUState, fpr[12]) },
1619     { "f13", offsetof(CPUState, fpr[13]) },
1620     { "f14", offsetof(CPUState, fpr[14]) },
1621     { "f15", offsetof(CPUState, fpr[15]) },
1622     { "f16", offsetof(CPUState, fpr[16]) },
1623     { "f17", offsetof(CPUState, fpr[17]) },
1624     { "f18", offsetof(CPUState, fpr[18]) },
1625     { "f19", offsetof(CPUState, fpr[19]) },
1626     { "f20", offsetof(CPUState, fpr[20]) },
1627     { "f21", offsetof(CPUState, fpr[21]) },
1628     { "f22", offsetof(CPUState, fpr[22]) },
1629     { "f23", offsetof(CPUState, fpr[23]) },
1630     { "f24", offsetof(CPUState, fpr[24]) },
1631     { "f25", offsetof(CPUState, fpr[25]) },
1632     { "f26", offsetof(CPUState, fpr[26]) },
1633     { "f27", offsetof(CPUState, fpr[27]) },
1634     { "f28", offsetof(CPUState, fpr[28]) },
1635     { "f29", offsetof(CPUState, fpr[29]) },
1636     { "f30", offsetof(CPUState, fpr[30]) },
1637     { "f31", offsetof(CPUState, fpr[31]) },
1638 #ifdef TARGET_SPARC64
1639     { "f32", offsetof(CPUState, fpr[32]) },
1640     { "f34", offsetof(CPUState, fpr[34]) },
1641     { "f36", offsetof(CPUState, fpr[36]) },
1642     { "f38", offsetof(CPUState, fpr[38]) },
1643     { "f40", offsetof(CPUState, fpr[40]) },
1644     { "f42", offsetof(CPUState, fpr[42]) },
1645     { "f44", offsetof(CPUState, fpr[44]) },
1646     { "f46", offsetof(CPUState, fpr[46]) },
1647     { "f48", offsetof(CPUState, fpr[48]) },
1648     { "f50", offsetof(CPUState, fpr[50]) },
1649     { "f52", offsetof(CPUState, fpr[52]) },
1650     { "f54", offsetof(CPUState, fpr[54]) },
1651     { "f56", offsetof(CPUState, fpr[56]) },
1652     { "f58", offsetof(CPUState, fpr[58]) },
1653     { "f60", offsetof(CPUState, fpr[60]) },
1654     { "f62", offsetof(CPUState, fpr[62]) },
1655     { "asi", offsetof(CPUState, asi) },
1656     { "pstate", offsetof(CPUState, pstate) },
1657     { "cansave", offsetof(CPUState, cansave) },
1658     { "canrestore", offsetof(CPUState, canrestore) },
1659     { "otherwin", offsetof(CPUState, otherwin) },
1660     { "wstate", offsetof(CPUState, wstate) },
1661     { "cleanwin", offsetof(CPUState, cleanwin) },
1662     { "fprs", offsetof(CPUState, fprs) },
1663 #endif
1664 #endif
1665     { NULL },
1666 };
1667
1668 static void expr_error(const char *fmt)
1669 {
1670     term_printf(fmt);
1671     term_printf("\n");
1672     longjmp(expr_env, 1);
1673 }
1674
1675 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1676 static int get_monitor_def(target_long *pval, const char *name)
1677 {
1678     MonitorDef *md;
1679     void *ptr;
1680
1681     for(md = monitor_defs; md->name != NULL; md++) {
1682         if (compare_cmd(name, md->name)) {
1683             if (md->get_value) {
1684                 *pval = md->get_value(md, md->offset);
1685             } else {
1686                 CPUState *env = mon_get_cpu();
1687                 if (!env)
1688                     return -2;
1689                 ptr = (uint8_t *)env + md->offset;
1690                 switch(md->type) {
1691                 case MD_I32:
1692                     *pval = *(int32_t *)ptr;
1693                     break;
1694                 case MD_TLONG:
1695                     *pval = *(target_long *)ptr;
1696                     break;
1697                 default:
1698                     *pval = 0;
1699                     break;
1700                 }
1701             }
1702             return 0;
1703         }
1704     }
1705     return -1;
1706 }
1707
1708 static void next(void)
1709 {
1710     if (pch != '\0') {
1711         pch++;
1712         while (isspace(*pch))
1713             pch++;
1714     }
1715 }
1716
1717 static target_long expr_sum(void);
1718
1719 static target_long expr_unary(void)
1720 {
1721     target_long n;
1722     char *p;
1723     int ret;
1724
1725     switch(*pch) {
1726     case '+':
1727         next();
1728         n = expr_unary();
1729         break;
1730     case '-':
1731         next();
1732         n = -expr_unary();
1733         break;
1734     case '~':
1735         next();
1736         n = ~expr_unary();
1737         break;
1738     case '(':
1739         next();
1740         n = expr_sum();
1741         if (*pch != ')') {
1742             expr_error("')' expected");
1743         }
1744         next();
1745         break;
1746     case '\'':
1747         pch++;
1748         if (*pch == '\0')
1749             expr_error("character constant expected");
1750         n = *pch;
1751         pch++;
1752         if (*pch != '\'')
1753             expr_error("missing terminating \' character");
1754         next();
1755         break;
1756     case '$':
1757         {
1758             char buf[128], *q;
1759
1760             pch++;
1761             q = buf;
1762             while ((*pch >= 'a' && *pch <= 'z') ||
1763                    (*pch >= 'A' && *pch <= 'Z') ||
1764                    (*pch >= '0' && *pch <= '9') ||
1765                    *pch == '_' || *pch == '.') {
1766                 if ((q - buf) < sizeof(buf) - 1)
1767                     *q++ = *pch;
1768                 pch++;
1769             }
1770             while (isspace(*pch))
1771                 pch++;
1772             *q = 0;
1773             ret = get_monitor_def(&n, buf);
1774             if (ret == -1)
1775                 expr_error("unknown register");
1776             else if (ret == -2)
1777                 expr_error("no cpu defined");
1778         }
1779         break;
1780     case '\0':
1781         expr_error("unexpected end of expression");
1782         n = 0;
1783         break;
1784     default:
1785 #if TARGET_LONG_BITS == 64
1786         n = strtoull(pch, &p, 0);
1787 #else
1788         n = strtoul(pch, &p, 0);
1789 #endif
1790         if (pch == p) {
1791             expr_error("invalid char in expression");
1792         }
1793         pch = p;
1794         while (isspace(*pch))
1795             pch++;
1796         break;
1797     }
1798     return n;
1799 }
1800
1801
1802 static target_long expr_prod(void)
1803 {
1804     target_long val, val2;
1805     int op;
1806
1807     val = expr_unary();
1808     for(;;) {
1809         op = *pch;
1810         if (op != '*' && op != '/' && op != '%')
1811             break;
1812         next();
1813         val2 = expr_unary();
1814         switch(op) {
1815         default:
1816         case '*':
1817             val *= val2;
1818             break;
1819         case '/':
1820         case '%':
1821             if (val2 == 0)
1822                 expr_error("division by zero");
1823             if (op == '/')
1824                 val /= val2;
1825             else
1826                 val %= val2;
1827             break;
1828         }
1829     }
1830     return val;
1831 }
1832
1833 static target_long expr_logic(void)
1834 {
1835     target_long val, val2;
1836     int op;
1837
1838     val = expr_prod();
1839     for(;;) {
1840         op = *pch;
1841         if (op != '&' && op != '|' && op != '^')
1842             break;
1843         next();
1844         val2 = expr_prod();
1845         switch(op) {
1846         default:
1847         case '&':
1848             val &= val2;
1849             break;
1850         case '|':
1851             val |= val2;
1852             break;
1853         case '^':
1854             val ^= val2;
1855             break;
1856         }
1857     }
1858     return val;
1859 }
1860
1861 static target_long expr_sum(void)
1862 {
1863     target_long val, val2;
1864     int op;
1865
1866     val = expr_logic();
1867     for(;;) {
1868         op = *pch;
1869         if (op != '+' && op != '-')
1870             break;
1871         next();
1872         val2 = expr_logic();
1873         if (op == '+')
1874             val += val2;
1875         else
1876             val -= val2;
1877     }
1878     return val;
1879 }
1880
1881 static int get_expr(target_long *pval, const char **pp)
1882 {
1883     pch = *pp;
1884     if (setjmp(expr_env)) {
1885         *pp = pch;
1886         return -1;
1887     }
1888     while (isspace(*pch))
1889         pch++;
1890     *pval = expr_sum();
1891     *pp = pch;
1892     return 0;
1893 }
1894
1895 static int get_str(char *buf, int buf_size, const char **pp)
1896 {
1897     const char *p;
1898     char *q;
1899     int c;
1900
1901     q = buf;
1902     p = *pp;
1903     while (isspace(*p))
1904         p++;
1905     if (*p == '\0') {
1906     fail:
1907         *q = '\0';
1908         *pp = p;
1909         return -1;
1910     }
1911     if (*p == '\"') {
1912         p++;
1913         while (*p != '\0' && *p != '\"') {
1914             if (*p == '\\') {
1915                 p++;
1916                 c = *p++;
1917                 switch(c) {
1918                 case 'n':
1919                     c = '\n';
1920                     break;
1921                 case 'r':
1922                     c = '\r';
1923                     break;
1924                 case '\\':
1925                 case '\'':
1926                 case '\"':
1927                     break;
1928                 default:
1929                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1930                     goto fail;
1931                 }
1932                 if ((q - buf) < buf_size - 1) {
1933                     *q++ = c;
1934                 }
1935             } else {
1936                 if ((q - buf) < buf_size - 1) {
1937                     *q++ = *p;
1938                 }
1939                 p++;
1940             }
1941         }
1942         if (*p != '\"') {
1943             qemu_printf("unterminated string\n");
1944             goto fail;
1945         }
1946         p++;
1947     } else {
1948         while (*p != '\0' && !isspace(*p)) {
1949             if ((q - buf) < buf_size - 1) {
1950                 *q++ = *p;
1951             }
1952             p++;
1953         }
1954     }
1955     *q = '\0';
1956     *pp = p;
1957     return 0;
1958 }
1959
1960 static int default_fmt_format = 'x';
1961 static int default_fmt_size = 4;
1962
1963 #define MAX_ARGS 16
1964
1965 static void monitor_handle_command(const char *cmdline)
1966 {
1967     const char *p, *pstart, *typestr;
1968     char *q;
1969     int c, nb_args, len, i, has_arg;
1970     term_cmd_t *cmd;
1971     char cmdname[256];
1972     char buf[1024];
1973     void *str_allocated[MAX_ARGS];
1974     void *args[MAX_ARGS];
1975
1976 #ifdef DEBUG
1977     term_printf("command='%s'\n", cmdline);
1978 #endif
1979
1980     /* extract the command name */
1981     p = cmdline;
1982     q = cmdname;
1983     while (isspace(*p))
1984         p++;
1985     if (*p == '\0')
1986         return;
1987     pstart = p;
1988     while (*p != '\0' && *p != '/' && !isspace(*p))
1989         p++;
1990     len = p - pstart;
1991     if (len > sizeof(cmdname) - 1)
1992         len = sizeof(cmdname) - 1;
1993     memcpy(cmdname, pstart, len);
1994     cmdname[len] = '\0';
1995
1996     /* find the command */
1997     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1998         if (compare_cmd(cmdname, cmd->name))
1999             goto found;
2000     }
2001     term_printf("unknown command: '%s'\n", cmdname);
2002     return;
2003  found:
2004
2005     for(i = 0; i < MAX_ARGS; i++)
2006         str_allocated[i] = NULL;
2007
2008     /* parse the parameters */
2009     typestr = cmd->args_type;
2010     nb_args = 0;
2011     for(;;) {
2012         c = *typestr;
2013         if (c == '\0')
2014             break;
2015         typestr++;
2016         switch(c) {
2017         case 'F':
2018         case 'B':
2019         case 's':
2020             {
2021                 int ret;
2022                 char *str;
2023
2024                 while (isspace(*p))
2025                     p++;
2026                 if (*typestr == '?') {
2027                     typestr++;
2028                     if (*p == '\0') {
2029                         /* no optional string: NULL argument */
2030                         str = NULL;
2031                         goto add_str;
2032                     }
2033                 }
2034                 ret = get_str(buf, sizeof(buf), &p);
2035                 if (ret < 0) {
2036                     switch(c) {
2037                     case 'F':
2038                         term_printf("%s: filename expected\n", cmdname);
2039                         break;
2040                     case 'B':
2041                         term_printf("%s: block device name expected\n", cmdname);
2042                         break;
2043                     default:
2044                         term_printf("%s: string expected\n", cmdname);
2045                         break;
2046                     }
2047                     goto fail;
2048                 }
2049                 str = qemu_malloc(strlen(buf) + 1);
2050                 strcpy(str, buf);
2051                 str_allocated[nb_args] = str;
2052             add_str:
2053                 if (nb_args >= MAX_ARGS) {
2054                 error_args:
2055                     term_printf("%s: too many arguments\n", cmdname);
2056                     goto fail;
2057                 }
2058                 args[nb_args++] = str;
2059             }
2060             break;
2061         case '/':
2062             {
2063                 int count, format, size;
2064
2065                 while (isspace(*p))
2066                     p++;
2067                 if (*p == '/') {
2068                     /* format found */
2069                     p++;
2070                     count = 1;
2071                     if (isdigit(*p)) {
2072                         count = 0;
2073                         while (isdigit(*p)) {
2074                             count = count * 10 + (*p - '0');
2075                             p++;
2076                         }
2077                     }
2078                     size = -1;
2079                     format = -1;
2080                     for(;;) {
2081                         switch(*p) {
2082                         case 'o':
2083                         case 'd':
2084                         case 'u':
2085                         case 'x':
2086                         case 'i':
2087                         case 'c':
2088                             format = *p++;
2089                             break;
2090                         case 'b':
2091                             size = 1;
2092                             p++;
2093                             break;
2094                         case 'h':
2095                             size = 2;
2096                             p++;
2097                             break;
2098                         case 'w':
2099                             size = 4;
2100                             p++;
2101                             break;
2102                         case 'g':
2103                         case 'L':
2104                             size = 8;
2105                             p++;
2106                             break;
2107                         default:
2108                             goto next;
2109                         }
2110                     }
2111                 next:
2112                     if (*p != '\0' && !isspace(*p)) {
2113                         term_printf("invalid char in format: '%c'\n", *p);
2114                         goto fail;
2115                     }
2116                     if (format < 0)
2117                         format = default_fmt_format;
2118                     if (format != 'i') {
2119                         /* for 'i', not specifying a size gives -1 as size */
2120                         if (size < 0)
2121                             size = default_fmt_size;
2122                     }
2123                     default_fmt_size = size;
2124                     default_fmt_format = format;
2125                 } else {
2126                     count = 1;
2127                     format = default_fmt_format;
2128                     if (format != 'i') {
2129                         size = default_fmt_size;
2130                     } else {
2131                         size = -1;
2132                     }
2133                 }
2134                 if (nb_args + 3 > MAX_ARGS)
2135                     goto error_args;
2136                 args[nb_args++] = (void*)(long)count;
2137                 args[nb_args++] = (void*)(long)format;
2138                 args[nb_args++] = (void*)(long)size;
2139             }
2140             break;
2141         case 'i':
2142         case 'l':
2143             {
2144                 target_long val;
2145                 while (isspace(*p))
2146                     p++;
2147                 if (*typestr == '?' || *typestr == '.') {
2148                     if (*typestr == '?') {
2149                         if (*p == '\0')
2150                             has_arg = 0;
2151                         else
2152                             has_arg = 1;
2153                     } else {
2154                         if (*p == '.') {
2155                             p++;
2156                             while (isspace(*p))
2157                                 p++;
2158                             has_arg = 1;
2159                         } else {
2160                             has_arg = 0;
2161                         }
2162                     }
2163                     typestr++;
2164                     if (nb_args >= MAX_ARGS)
2165                         goto error_args;
2166                     args[nb_args++] = (void *)(long)has_arg;
2167                     if (!has_arg) {
2168                         if (nb_args >= MAX_ARGS)
2169                             goto error_args;
2170                         val = -1;
2171                         goto add_num;
2172                     }
2173                 }
2174                 if (get_expr(&val, &p))
2175                     goto fail;
2176             add_num:
2177                 if (c == 'i') {
2178                     if (nb_args >= MAX_ARGS)
2179                         goto error_args;
2180                     args[nb_args++] = (void *)(long)val;
2181                 } else {
2182                     if ((nb_args + 1) >= MAX_ARGS)
2183                         goto error_args;
2184 #if TARGET_LONG_BITS == 64
2185                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2186 #else
2187                     args[nb_args++] = (void *)0;
2188 #endif
2189                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2190                 }
2191             }
2192             break;
2193         case '-':
2194             {
2195                 int has_option;
2196                 /* option */
2197
2198                 c = *typestr++;
2199                 if (c == '\0')
2200                     goto bad_type;
2201                 while (isspace(*p))
2202                     p++;
2203                 has_option = 0;
2204                 if (*p == '-') {
2205                     p++;
2206                     if (*p != c) {
2207                         term_printf("%s: unsupported option -%c\n",
2208                                     cmdname, *p);
2209                         goto fail;
2210                     }
2211                     p++;
2212                     has_option = 1;
2213                 }
2214                 if (nb_args >= MAX_ARGS)
2215                     goto error_args;
2216                 args[nb_args++] = (void *)(long)has_option;
2217             }
2218             break;
2219         default:
2220         bad_type:
2221             term_printf("%s: unknown type '%c'\n", cmdname, c);
2222             goto fail;
2223         }
2224     }
2225     /* check that all arguments were parsed */
2226     while (isspace(*p))
2227         p++;
2228     if (*p != '\0') {
2229         term_printf("%s: extraneous characters at the end of line\n",
2230                     cmdname);
2231         goto fail;
2232     }
2233
2234     switch(nb_args) {
2235     case 0:
2236         cmd->handler();
2237         break;
2238     case 1:
2239         cmd->handler(args[0]);
2240         break;
2241     case 2:
2242         cmd->handler(args[0], args[1]);
2243         break;
2244     case 3:
2245         cmd->handler(args[0], args[1], args[2]);
2246         break;
2247     case 4:
2248         cmd->handler(args[0], args[1], args[2], args[3]);
2249         break;
2250     case 5:
2251         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2252         break;
2253     case 6:
2254         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2255         break;
2256     case 7:
2257         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2258         break;
2259     default:
2260         term_printf("unsupported number of arguments: %d\n", nb_args);
2261         goto fail;
2262     }
2263  fail:
2264     for(i = 0; i < MAX_ARGS; i++)
2265         qemu_free(str_allocated[i]);
2266     return;
2267 }
2268
2269 static void cmd_completion(const char *name, const char *list)
2270 {
2271     const char *p, *pstart;
2272     char cmd[128];
2273     int len;
2274
2275     p = list;
2276     for(;;) {
2277         pstart = p;
2278         p = strchr(p, '|');
2279         if (!p)
2280             p = pstart + strlen(pstart);
2281         len = p - pstart;
2282         if (len > sizeof(cmd) - 2)
2283             len = sizeof(cmd) - 2;
2284         memcpy(cmd, pstart, len);
2285         cmd[len] = '\0';
2286         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2287             add_completion(cmd);
2288         }
2289         if (*p == '\0')
2290             break;
2291         p++;
2292     }
2293 }
2294
2295 static void file_completion(const char *input)
2296 {
2297     DIR *ffs;
2298     struct dirent *d;
2299     char path[1024];
2300     char file[1024], file_prefix[1024];
2301     int input_path_len;
2302     const char *p;
2303
2304     p = strrchr(input, '/');
2305     if (!p) {
2306         input_path_len = 0;
2307         pstrcpy(file_prefix, sizeof(file_prefix), input);
2308         strcpy(path, ".");
2309     } else {
2310         input_path_len = p - input + 1;
2311         memcpy(path, input, input_path_len);
2312         if (input_path_len > sizeof(path) - 1)
2313             input_path_len = sizeof(path) - 1;
2314         path[input_path_len] = '\0';
2315         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2316     }
2317 #ifdef DEBUG_COMPLETION
2318     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2319 #endif
2320     ffs = opendir(path);
2321     if (!ffs)
2322         return;
2323     for(;;) {
2324         struct stat sb;
2325         d = readdir(ffs);
2326         if (!d)
2327             break;
2328         if (strstart(d->d_name, file_prefix, NULL)) {
2329             memcpy(file, input, input_path_len);
2330             strcpy(file + input_path_len, d->d_name);
2331             /* stat the file to find out if it's a directory.
2332              * In that case add a slash to speed up typing long paths
2333              */
2334             stat(file, &sb);
2335             if(S_ISDIR(sb.st_mode))
2336                 strcat(file, "/");
2337             add_completion(file);
2338         }
2339     }
2340     closedir(ffs);
2341 }
2342
2343 static void block_completion_it(void *opaque, const char *name)
2344 {
2345     const char *input = opaque;
2346
2347     if (input[0] == '\0' ||
2348         !strncmp(name, (char *)input, strlen(input))) {
2349         add_completion(name);
2350     }
2351 }
2352
2353 /* NOTE: this parser is an approximate form of the real command parser */
2354 static void parse_cmdline(const char *cmdline,
2355                          int *pnb_args, char **args)
2356 {
2357     const char *p;
2358     int nb_args, ret;
2359     char buf[1024];
2360
2361     p = cmdline;
2362     nb_args = 0;
2363     for(;;) {
2364         while (isspace(*p))
2365             p++;
2366         if (*p == '\0')
2367             break;
2368         if (nb_args >= MAX_ARGS)
2369             break;
2370         ret = get_str(buf, sizeof(buf), &p);
2371         args[nb_args] = qemu_strdup(buf);
2372         nb_args++;
2373         if (ret < 0)
2374             break;
2375     }
2376     *pnb_args = nb_args;
2377 }
2378
2379 void readline_find_completion(const char *cmdline)
2380 {
2381     const char *cmdname;
2382     char *args[MAX_ARGS];
2383     int nb_args, i, len;
2384     const char *ptype, *str;
2385     term_cmd_t *cmd;
2386     const KeyDef *key;
2387
2388     parse_cmdline(cmdline, &nb_args, args);
2389 #ifdef DEBUG_COMPLETION
2390     for(i = 0; i < nb_args; i++) {
2391         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2392     }
2393 #endif
2394
2395     /* if the line ends with a space, it means we want to complete the
2396        next arg */
2397     len = strlen(cmdline);
2398     if (len > 0 && isspace(cmdline[len - 1])) {
2399         if (nb_args >= MAX_ARGS)
2400             return;
2401         args[nb_args++] = qemu_strdup("");
2402     }
2403     if (nb_args <= 1) {
2404         /* command completion */
2405         if (nb_args == 0)
2406             cmdname = "";
2407         else
2408             cmdname = args[0];
2409         completion_index = strlen(cmdname);
2410         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2411             cmd_completion(cmdname, cmd->name);
2412         }
2413     } else {
2414         /* find the command */
2415         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2416             if (compare_cmd(args[0], cmd->name))
2417                 goto found;
2418         }
2419         return;
2420     found:
2421         ptype = cmd->args_type;
2422         for(i = 0; i < nb_args - 2; i++) {
2423             if (*ptype != '\0') {
2424                 ptype++;
2425                 while (*ptype == '?')
2426                     ptype++;
2427             }
2428         }
2429         str = args[nb_args - 1];
2430         switch(*ptype) {
2431         case 'F':
2432             /* file completion */
2433             completion_index = strlen(str);
2434             file_completion(str);
2435             break;
2436         case 'B':
2437             /* block device name completion */
2438             completion_index = strlen(str);
2439             bdrv_iterate(block_completion_it, (void *)str);
2440             break;
2441         case 's':
2442             /* XXX: more generic ? */
2443             if (!strcmp(cmd->name, "info")) {
2444                 completion_index = strlen(str);
2445                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2446                     cmd_completion(str, cmd->name);
2447                 }
2448             } else if (!strcmp(cmd->name, "sendkey")) {
2449                 completion_index = strlen(str);
2450                 for(key = key_defs; key->name != NULL; key++) {
2451                     cmd_completion(str, key->name);
2452                 }
2453             }
2454             break;
2455         default:
2456             break;
2457         }
2458     }
2459     for(i = 0; i < nb_args; i++)
2460         qemu_free(args[i]);
2461 }
2462
2463 static int term_can_read(void *opaque)
2464 {
2465     return 128;
2466 }
2467
2468 static void term_read(void *opaque, const uint8_t *buf, int size)
2469 {
2470     int i;
2471     for(i = 0; i < size; i++)
2472         readline_handle_byte(buf[i]);
2473 }
2474
2475 static void monitor_start_input(void);
2476
2477 static void monitor_handle_command1(void *opaque, const char *cmdline)
2478 {
2479     monitor_handle_command(cmdline);
2480     monitor_start_input();
2481 }
2482
2483 static void monitor_start_input(void)
2484 {
2485     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2486 }
2487
2488 static void term_event(void *opaque, int event)
2489 {
2490     if (event != CHR_EVENT_RESET)
2491         return;
2492
2493     if (!hide_banner)
2494             term_printf("QEMU %s monitor - type 'help' for more information\n",
2495                         QEMU_VERSION);
2496     monitor_start_input();
2497 }
2498
2499 static int is_first_init = 1;
2500
2501 void monitor_init(CharDriverState *hd, int show_banner)
2502 {
2503     int i;
2504
2505     if (is_first_init) {
2506         for (i = 0; i < MAX_MON; i++) {
2507             monitor_hd[i] = NULL;
2508         }
2509         is_first_init = 0;
2510     }
2511     for (i = 0; i < MAX_MON; i++) {
2512         if (monitor_hd[i] == NULL) {
2513             monitor_hd[i] = hd;
2514             break;
2515         }
2516     }
2517
2518     hide_banner = !show_banner;
2519
2520     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2521 }
2522
2523 /* XXX: use threads ? */
2524 /* modal monitor readline */
2525 static int monitor_readline_started;
2526 static char *monitor_readline_buf;
2527 static int monitor_readline_buf_size;
2528
2529 static void monitor_readline_cb(void *opaque, const char *input)
2530 {
2531     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2532     monitor_readline_started = 0;
2533 }
2534
2535 void monitor_readline(const char *prompt, int is_password,
2536                       char *buf, int buf_size)
2537 {
2538     int i;
2539
2540     if (is_password) {
2541         for (i = 0; i < MAX_MON; i++)
2542             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2543                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2544     }
2545     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2546     monitor_readline_buf = buf;
2547     monitor_readline_buf_size = buf_size;
2548     monitor_readline_started = 1;
2549     while (monitor_readline_started) {
2550         main_loop_wait(10);
2551     }
2552 }