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 "hw/hw.h"
  25 #include "hw/usb.h"
  26 #include "hw/pcmcia.h"
  27 #include "hw/pc.h"
  28 #include "hw/pci.h"
  29 #include "gdbstub.h"
  30 #include "net.h"
  31 #include "qemu-char.h"
  32 #include "sysemu.h"
  33 #include "console.h"
  34 #include "block.h"
  35 #include "audio/audio.h"
  36 #include "disas.h"
  37 #include <dirent.h>
  38
  39 #ifdef CONFIG_PROFILER
  40 #include "qemu-timer.h" /* for ticks_per_sec */
  41 #endif
  42
  43 //#define DEBUG
  44 //#define DEBUG_COMPLETION
  45
  46 #ifndef offsetof
  47 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  48 #endif
  49
  50 /*
  51  * Supported types:
  52  *
  53  * 'F'          filename
  54  * 'B'          block device name
  55  * 's'          string (accept optional quote)
  56  * 'i'          32 bit integer
  57  * 'l'          target long (32 or 64 bit)
  58  * '/'          optional gdb-like print format (like "/10x")
  59  *
  60  * '?'          optional type (for 'F', 's' and 'i')
  61  *
  62  */
  63
  64 typedef struct term_cmd_t {
  65     const char *name;
  66     const char *args_type;
  67     void (*handler)();
  68     const char *params;
  69     const char *help;
  70 } term_cmd_t;
  71
  72 #define MAX_MON 4
  73 static CharDriverState *monitor_hd[MAX_MON];
  74 static int hide_banner;
  75
  76 static term_cmd_t term_cmds[];
  77 static term_cmd_t info_cmds[];
  78
  79 static uint8_t term_outbuf[1024];
  80 static int term_outbuf_index;
  81
  82 static void monitor_start_input(void);
  83
  84 CPUState *mon_cpu = NULL;
  85
  86 void term_flush(void)
  87 {
  88     int i;
  89     if (term_outbuf_index > 0) {
  90         for (i = 0; i < MAX_MON; i++)
  91             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  92                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  93         term_outbuf_index = 0;
  94     }
  95 }
  96
  97 /* flush at every end of line or if the buffer is full */
  98 void term_puts(const char *str)
  99 {
 100     char c;
 101     for(;;) {
 102         c = *str++;
 103         if (c == '\0')
 104             break;
 105         if (c == '\n')
 106             term_outbuf[term_outbuf_index++] = '\r';
 107         term_outbuf[term_outbuf_index++] = c;
 108         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 109             c == '\n')
 110             term_flush();
 111     }
 112 }
 113
 114 void term_vprintf(const char *fmt, va_list ap)
 115 {
 116     char buf[4096];
 117     vsnprintf(buf, sizeof(buf), fmt, ap);
 118     term_puts(buf);
 119 }
 120
 121 void term_printf(const char *fmt, ...)
 122 {
 123     va_list ap;
 124     va_start(ap, fmt);
 125     term_vprintf(fmt, ap);
 126     va_end(ap);
 127 }
 128
 129 void term_print_filename(const char *filename)
 130 {
 131     int i;
 132
 133     for (i = 0; filename[i]; i++) {
 134         switch (filename[i]) {
 135         case ' ':
 136         case '"':
 137         case '\\':
 138             term_printf("\\%c", filename[i]);
 139             break;
 140         case '\t':
 141             term_printf("\\t");
 142             break;
 143         case '\r':
 144             term_printf("\\r");
 145             break;
 146         case '\n':
 147             term_printf("\\n");
 148             break;
 149         default:
 150             term_printf("%c", filename[i]);
 151             break;
 152         }
 153     }
 154 }
 155
 156 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 157 {
 158     va_list ap;
 159     va_start(ap, fmt);
 160     term_vprintf(fmt, ap);
 161     va_end(ap);
 162     return 0;
 163 }
 164
 165 static int compare_cmd(const char *name, const char *list)
 166 {
 167     const char *p, *pstart;
 168     int len;
 169     len = strlen(name);
 170     p = list;
 171     for(;;) {
 172         pstart = p;
 173         p = strchr(p, '|');
 174         if (!p)
 175             p = pstart + strlen(pstart);
 176         if ((p - pstart) == len && !memcmp(pstart, name, len))
 177             return 1;
 178         if (*p == '\0')
 179             break;
 180         p++;
 181     }
 182     return 0;
 183 }
 184
 185 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 186 {
 187     term_cmd_t *cmd;
 188
 189     for(cmd = cmds; cmd->name != NULL; cmd++) {
 190         if (!name || !strcmp(name, cmd->name))
 191             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 192     }
 193 }
 194
 195 static void help_cmd(const char *name)
 196 {
 197     if (name && !strcmp(name, "info")) {
 198         help_cmd1(info_cmds, "info ", NULL);
 199     } else {
 200         help_cmd1(term_cmds, "", name);
 201         if (name && !strcmp(name, "log")) {
 202             CPULogItem *item;
 203             term_printf("Log items (comma separated):\n");
 204             term_printf("%-10s %s\n", "none", "remove all logs");
 205             for(item = cpu_log_items; item->mask != 0; item++) {
 206                 term_printf("%-10s %s\n", item->name, item->help);
 207             }
 208         }
 209     }
 210 }
 211
 212 static void do_help(const char *name)
 213 {
 214     help_cmd(name);
 215 }
 216
 217 static void do_commit(const char *device)
 218 {
 219     int i, all_devices;
 220
 221     all_devices = !strcmp(device, "all");
 222     for (i = 0; i < nb_drives; i++) {
 223             if (all_devices ||
 224                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 225                 bdrv_commit(drives_table[i].bdrv);
 226     }
 227 }
 228
 229 static void do_info(const char *item)
 230 {
 231     term_cmd_t *cmd;
 232
 233     if (!item)
 234         goto help;
 235     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 236         if (compare_cmd(item, cmd->name))
 237             goto found;
 238     }
 239  help:
 240     help_cmd("info");
 241     return;
 242  found:
 243     cmd->handler();
 244 }
 245
 246 static void do_info_version(void)
 247 {
 248   term_printf("%s\n", QEMU_VERSION);
 249 }
 250
 251 static void do_info_name(void)
 252 {
 253     if (qemu_name)
 254         term_printf("%s\n", qemu_name);
 255 }
 256
 257 static void do_info_block(void)
 258 {
 259     bdrv_info();
 260 }
 261
 262 static void do_info_blockstats(void)
 263 {
 264     bdrv_info_stats();
 265 }
 266
 267 /* get the current CPU defined by the user */
 268 static int mon_set_cpu(int cpu_index)
 269 {
 270     CPUState *env;
 271
 272     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 273         if (env->cpu_index == cpu_index) {
 274             mon_cpu = env;
 275             return 0;
 276         }
 277     }
 278     return -1;
 279 }
 280
 281 static CPUState *mon_get_cpu(void)
 282 {
 283     if (!mon_cpu) {
 284         mon_set_cpu(0);
 285     }
 286     return mon_cpu;
 287 }
 288
 289 static void do_info_registers(void)
 290 {
 291     CPUState *env;
 292     env = mon_get_cpu();
 293     if (!env)
 294         return;
 295 #ifdef TARGET_I386
 296     cpu_dump_state(env, NULL, monitor_fprintf,
 297                    X86_DUMP_FPU);
 298 #else
 299     cpu_dump_state(env, NULL, monitor_fprintf,
 300                    0);
 301 #endif
 302 }
 303
 304 static void do_info_cpus(void)
 305 {
 306     CPUState *env;
 307
 308     /* just to set the default cpu if not already done */
 309     mon_get_cpu();
 310
 311     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 312         term_printf("%c CPU #%d:",
 313                     (env == mon_cpu) ? '*' : ' ',
 314                     env->cpu_index);
 315 #if defined(TARGET_I386)
 316         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 317         if (env->hflags & HF_HALTED_MASK)
 318             term_printf(" (halted)");
 319 #elif defined(TARGET_PPC)
 320         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 321         if (env->halted)
 322             term_printf(" (halted)");
 323 #elif defined(TARGET_SPARC)
 324         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 325         if (env->halted)
 326             term_printf(" (halted)");
 327 #elif defined(TARGET_MIPS)
 328         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 329         if (env->halted)
 330             term_printf(" (halted)");
 331 #endif
 332         term_printf("\n");
 333     }
 334 }
 335
 336 static void do_cpu_set(int index)
 337 {
 338     if (mon_set_cpu(index) < 0)
 339         term_printf("Invalid CPU index\n");
 340 }
 341
 342 static void do_info_jit(void)
 343 {
 344     dump_exec_info(NULL, monitor_fprintf);
 345 }
 346
 347 static void do_info_history (void)
 348 {
 349     int i;
 350     const char *str;
 351
 352     i = 0;
 353     for(;;) {
 354         str = readline_get_history(i);
 355         if (!str)
 356             break;
 357         term_printf("%d: '%s'\n", i, str);
 358         i++;
 359     }
 360 }
 361
 362 #if defined(TARGET_PPC)
 363 /* XXX: not implemented in other targets */
 364 static void do_info_cpu_stats (void)
 365 {
 366     CPUState *env;
 367
 368     env = mon_get_cpu();
 369     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 370 }
 371 #endif
 372
 373 static void do_quit(void)
 374 {
 375     exit(0);
 376 }
 377
 378 static int eject_device(BlockDriverState *bs, int force)
 379 {
 380     if (bdrv_is_inserted(bs)) {
 381         if (!force) {
 382             if (!bdrv_is_removable(bs)) {
 383                 term_printf("device is not removable\n");
 384                 return -1;
 385             }
 386             if (bdrv_is_locked(bs)) {
 387                 term_printf("device is locked\n");
 388                 return -1;
 389             }
 390         }
 391         bdrv_close(bs);
 392     }
 393     return 0;
 394 }
 395
 396 static void do_eject(int force, const char *filename)
 397 {
 398     BlockDriverState *bs;
 399
 400     bs = bdrv_find(filename);
 401     if (!bs) {
 402         term_printf("device not found\n");
 403         return;
 404     }
 405     eject_device(bs, force);
 406 }
 407
 408 static void do_change_block(const char *device, const char *filename)
 409 {
 410     BlockDriverState *bs;
 411
 412     bs = bdrv_find(device);
 413     if (!bs) {
 414         term_printf("device not found\n");
 415         return;
 416     }
 417     if (eject_device(bs, 0) < 0)
 418         return;
 419     bdrv_open(bs, filename, 0);
 420     qemu_key_check(bs, filename);
 421 }
 422
 423 static void do_change_vnc(const char *target)
 424 {
 425     if (strcmp(target, "passwd") == 0 ||
 426         strcmp(target, "password") == 0) {
 427         char password[9];
 428         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 429         password[sizeof(password)-1] = '\0';
 430         if (vnc_display_password(NULL, password) < 0)
 431             term_printf("could not set VNC server password\n");
 432     } else {
 433         if (vnc_display_open(NULL, target) < 0)
 434             term_printf("could not start VNC server on %s\n", target);
 435     }
 436 }
 437
 438 static void do_change(const char *device, const char *target)
 439 {
 440     if (strcmp(device, "vnc") == 0) {
 441         do_change_vnc(target);
 442     } else {
 443         do_change_block(device, target);
 444     }
 445 }
 446
 447 static void do_screen_dump(const char *filename)
 448 {
 449     vga_hw_screen_dump(filename);
 450 }
 451
 452 static void do_logfile(const char *filename)
 453 {
 454     cpu_set_log_filename(filename);
 455 }
 456
 457 static void do_log(const char *items)
 458 {
 459     int mask;
 460
 461     if (!strcmp(items, "none")) {
 462         mask = 0;
 463     } else {
 464         mask = cpu_str_to_log_mask(items);
 465         if (!mask) {
 466             help_cmd("log");
 467             return;
 468         }
 469     }
 470     cpu_set_log(mask);
 471 }
 472
 473 static void do_stop(void)
 474 {
 475     vm_stop(EXCP_INTERRUPT);
 476 }
 477
 478 static void do_cont(void)
 479 {
 480     vm_start();
 481 }
 482
 483 #ifdef CONFIG_GDBSTUB
 484 static void do_gdbserver(const char *port)
 485 {
 486     if (!port)
 487         port = DEFAULT_GDBSTUB_PORT;
 488     if (gdbserver_start(port) < 0) {
 489         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 490     } else {
 491         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 492     }
 493 }
 494 #endif
 495
 496 static void term_printc(int c)
 497 {
 498     term_printf("'");
 499     switch(c) {
 500     case '\'':
 501         term_printf("\\'");
 502         break;
 503     case '\\':
 504         term_printf("\\\\");
 505         break;
 506     case '\n':
 507         term_printf("\\n");
 508         break;
 509     case '\r':
 510         term_printf("\\r");
 511         break;
 512     default:
 513         if (c >= 32 && c <= 126) {
 514             term_printf("%c", c);
 515         } else {
 516             term_printf("\\x%02x", c);
 517         }
 518         break;
 519     }
 520     term_printf("'");
 521 }
 522
 523 static void memory_dump(int count, int format, int wsize,
 524                         target_phys_addr_t addr, int is_physical)
 525 {
 526     CPUState *env;
 527     int nb_per_line, l, line_size, i, max_digits, len;
 528     uint8_t buf[16];
 529     uint64_t v;
 530
 531     if (format == 'i') {
 532         int flags;
 533         flags = 0;
 534         env = mon_get_cpu();
 535         if (!env && !is_physical)
 536             return;
 537 #ifdef TARGET_I386
 538         if (wsize == 2) {
 539             flags = 1;
 540         } else if (wsize == 4) {
 541             flags = 0;
 542         } else {
 543             /* as default we use the current CS size */
 544             flags = 0;
 545             if (env) {
 546 #ifdef TARGET_X86_64
 547                 if ((env->efer & MSR_EFER_LMA) &&
 548                     (env->segs[R_CS].flags & DESC_L_MASK))
 549                     flags = 2;
 550                 else
 551 #endif
 552                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 553                     flags = 1;
 554             }
 555         }
 556 #endif
 557         monitor_disas(env, addr, count, is_physical, flags);
 558         return;
 559     }
 560
 561     len = wsize * count;
 562     if (wsize == 1)
 563         line_size = 8;
 564     else
 565         line_size = 16;
 566     nb_per_line = line_size / wsize;
 567     max_digits = 0;
 568
 569     switch(format) {
 570     case 'o':
 571         max_digits = (wsize * 8 + 2) / 3;
 572         break;
 573     default:
 574     case 'x':
 575         max_digits = (wsize * 8) / 4;
 576         break;
 577     case 'u':
 578     case 'd':
 579         max_digits = (wsize * 8 * 10 + 32) / 33;
 580         break;
 581     case 'c':
 582         wsize = 1;
 583         break;
 584     }
 585
 586     while (len > 0) {
 587         if (is_physical)
 588             term_printf(TARGET_FMT_plx ":", addr);
 589         else
 590             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 591         l = len;
 592         if (l > line_size)
 593             l = line_size;
 594         if (is_physical) {
 595             cpu_physical_memory_rw(addr, buf, l, 0);
 596         } else {
 597             env = mon_get_cpu();
 598             if (!env)
 599                 break;
 600             cpu_memory_rw_debug(env, addr, buf, l, 0);
 601         }
 602         i = 0;
 603         while (i < l) {
 604             switch(wsize) {
 605             default:
 606             case 1:
 607                 v = ldub_raw(buf + i);
 608                 break;
 609             case 2:
 610                 v = lduw_raw(buf + i);
 611                 break;
 612             case 4:
 613                 v = (uint32_t)ldl_raw(buf + i);
 614                 break;
 615             case 8:
 616                 v = ldq_raw(buf + i);
 617                 break;
 618             }
 619             term_printf(" ");
 620             switch(format) {
 621             case 'o':
 622                 term_printf("%#*" PRIo64, max_digits, v);
 623                 break;
 624             case 'x':
 625                 term_printf("0x%0*" PRIx64, max_digits, v);
 626                 break;
 627             case 'u':
 628                 term_printf("%*" PRIu64, max_digits, v);
 629                 break;
 630             case 'd':
 631                 term_printf("%*" PRId64, max_digits, v);
 632                 break;
 633             case 'c':
 634                 term_printc(v);
 635                 break;
 636             }
 637             i += wsize;
 638         }
 639         term_printf("\n");
 640         addr += l;
 641         len -= l;
 642     }
 643 }
 644
 645 #if TARGET_LONG_BITS == 64
 646 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 647 #else
 648 #define GET_TLONG(h, l) (l)
 649 #endif
 650
 651 static void do_memory_dump(int count, int format, int size,
 652                            uint32_t addrh, uint32_t addrl)
 653 {
 654     target_long addr = GET_TLONG(addrh, addrl);
 655     memory_dump(count, format, size, addr, 0);
 656 }
 657
 658 #if TARGET_PHYS_ADDR_BITS > 32
 659 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 660 #else
 661 #define GET_TPHYSADDR(h, l) (l)
 662 #endif
 663
 664 static void do_physical_memory_dump(int count, int format, int size,
 665                                     uint32_t addrh, uint32_t addrl)
 666
 667 {
 668     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 669     memory_dump(count, format, size, addr, 1);
 670 }
 671
 672 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 673 {
 674     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 675 #if TARGET_PHYS_ADDR_BITS == 32
 676     switch(format) {
 677     case 'o':
 678         term_printf("%#o", val);
 679         break;
 680     case 'x':
 681         term_printf("%#x", val);
 682         break;
 683     case 'u':
 684         term_printf("%u", val);
 685         break;
 686     default:
 687     case 'd':
 688         term_printf("%d", val);
 689         break;
 690     case 'c':
 691         term_printc(val);
 692         break;
 693     }
 694 #else
 695     switch(format) {
 696     case 'o':
 697         term_printf("%#" PRIo64, val);
 698         break;
 699     case 'x':
 700         term_printf("%#" PRIx64, val);
 701         break;
 702     case 'u':
 703         term_printf("%" PRIu64, val);
 704         break;
 705     default:
 706     case 'd':
 707         term_printf("%" PRId64, val);
 708         break;
 709     case 'c':
 710         term_printc(val);
 711         break;
 712     }
 713 #endif
 714     term_printf("\n");
 715 }
 716
 717 static void do_memory_save(unsigned int valh, unsigned int vall,
 718                            uint32_t size, const char *filename)
 719 {
 720     FILE *f;
 721     target_long addr = GET_TLONG(valh, vall);
 722     uint32_t l;
 723     CPUState *env;
 724     uint8_t buf[1024];
 725
 726     env = mon_get_cpu();
 727     if (!env)
 728         return;
 729
 730     f = fopen(filename, "wb");
 731     if (!f) {
 732         term_printf("could not open '%s'\n", filename);
 733         return;
 734     }
 735     while (size != 0) {
 736         l = sizeof(buf);
 737         if (l > size)
 738             l = size;
 739         cpu_memory_rw_debug(env, addr, buf, l, 0);
 740         fwrite(buf, 1, l, f);
 741         addr += l;
 742         size -= l;
 743     }
 744     fclose(f);
 745 }
 746
 747 static void do_sum(uint32_t start, uint32_t size)
 748 {
 749     uint32_t addr;
 750     uint8_t buf[1];
 751     uint16_t sum;
 752
 753     sum = 0;
 754     for(addr = start; addr < (start + size); addr++) {
 755         cpu_physical_memory_rw(addr, buf, 1, 0);
 756         /* BSD sum algorithm ('sum' Unix command) */
 757         sum = (sum >> 1) | (sum << 15);
 758         sum += buf[0];
 759     }
 760     term_printf("%05d\n", sum);
 761 }
 762
 763 typedef struct {
 764     int keycode;
 765     const char *name;
 766 } KeyDef;
 767
 768 static const KeyDef key_defs[] = {
 769     { 0x2a, "shift" },
 770     { 0x36, "shift_r" },
 771
 772     { 0x38, "alt" },
 773     { 0xb8, "alt_r" },
 774     { 0x1d, "ctrl" },
 775     { 0x9d, "ctrl_r" },
 776
 777     { 0xdd, "menu" },
 778
 779     { 0x01, "esc" },
 780
 781     { 0x02, "1" },
 782     { 0x03, "2" },
 783     { 0x04, "3" },
 784     { 0x05, "4" },
 785     { 0x06, "5" },
 786     { 0x07, "6" },
 787     { 0x08, "7" },
 788     { 0x09, "8" },
 789     { 0x0a, "9" },
 790     { 0x0b, "0" },
 791     { 0x0c, "minus" },
 792     { 0x0d, "equal" },
 793     { 0x0e, "backspace" },
 794
 795     { 0x0f, "tab" },
 796     { 0x10, "q" },
 797     { 0x11, "w" },
 798     { 0x12, "e" },
 799     { 0x13, "r" },
 800     { 0x14, "t" },
 801     { 0x15, "y" },
 802     { 0x16, "u" },
 803     { 0x17, "i" },
 804     { 0x18, "o" },
 805     { 0x19, "p" },
 806
 807     { 0x1c, "ret" },
 808
 809     { 0x1e, "a" },
 810     { 0x1f, "s" },
 811     { 0x20, "d" },
 812     { 0x21, "f" },
 813     { 0x22, "g" },
 814     { 0x23, "h" },
 815     { 0x24, "j" },
 816     { 0x25, "k" },
 817     { 0x26, "l" },
 818
 819     { 0x2c, "z" },
 820     { 0x2d, "x" },
 821     { 0x2e, "c" },
 822     { 0x2f, "v" },
 823     { 0x30, "b" },
 824     { 0x31, "n" },
 825     { 0x32, "m" },
 826
 827     { 0x39, "spc" },
 828     { 0x3a, "caps_lock" },
 829     { 0x3b, "f1" },
 830     { 0x3c, "f2" },
 831     { 0x3d, "f3" },
 832     { 0x3e, "f4" },
 833     { 0x3f, "f5" },
 834     { 0x40, "f6" },
 835     { 0x41, "f7" },
 836     { 0x42, "f8" },
 837     { 0x43, "f9" },
 838     { 0x44, "f10" },
 839     { 0x45, "num_lock" },
 840     { 0x46, "scroll_lock" },
 841
 842     { 0xb5, "kp_divide" },
 843     { 0x37, "kp_multiply" },
 844     { 0x4a, "kp_subtract" },
 845     { 0x4e, "kp_add" },
 846     { 0x9c, "kp_enter" },
 847     { 0x53, "kp_decimal" },
 848
 849     { 0x52, "kp_0" },
 850     { 0x4f, "kp_1" },
 851     { 0x50, "kp_2" },
 852     { 0x51, "kp_3" },
 853     { 0x4b, "kp_4" },
 854     { 0x4c, "kp_5" },
 855     { 0x4d, "kp_6" },
 856     { 0x47, "kp_7" },
 857     { 0x48, "kp_8" },
 858     { 0x49, "kp_9" },
 859
 860     { 0x56, "<" },
 861
 862     { 0x57, "f11" },
 863     { 0x58, "f12" },
 864
 865     { 0xb7, "print" },
 866
 867     { 0xc7, "home" },
 868     { 0xc9, "pgup" },
 869     { 0xd1, "pgdn" },
 870     { 0xcf, "end" },
 871
 872     { 0xcb, "left" },
 873     { 0xc8, "up" },
 874     { 0xd0, "down" },
 875     { 0xcd, "right" },
 876
 877     { 0xd2, "insert" },
 878     { 0xd3, "delete" },
 879     { 0, NULL },
 880 };
 881
 882 static int get_keycode(const char *key)
 883 {
 884     const KeyDef *p;
 885     char *endp;
 886     int ret;
 887
 888     for(p = key_defs; p->name != NULL; p++) {
 889         if (!strcmp(key, p->name))
 890             return p->keycode;
 891     }
 892     if (strstart(key, "0x", NULL)) {
 893         ret = strtoul(key, &endp, 0);
 894         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 895             return ret;
 896     }
 897     return -1;
 898 }
 899
 900 static void do_send_key(const char *string)
 901 {
 902     char keybuf[16], *q;
 903     uint8_t keycodes[16];
 904     const char *p;
 905     int nb_keycodes, keycode, i;
 906
 907     nb_keycodes = 0;
 908     p = string;
 909     while (*p != '\0') {
 910         q = keybuf;
 911         while (*p != '\0' && *p != '-') {
 912             if ((q - keybuf) < sizeof(keybuf) - 1) {
 913                 *q++ = *p;
 914             }
 915             p++;
 916         }
 917         *q = '\0';
 918         keycode = get_keycode(keybuf);
 919         if (keycode < 0) {
 920             term_printf("unknown key: '%s'\n", keybuf);
 921             return;
 922         }
 923         keycodes[nb_keycodes++] = keycode;
 924         if (*p == '\0')
 925             break;
 926         p++;
 927     }
 928     /* key down events */
 929     for(i = 0; i < nb_keycodes; i++) {
 930         keycode = keycodes[i];
 931         if (keycode & 0x80)
 932             kbd_put_keycode(0xe0);
 933         kbd_put_keycode(keycode & 0x7f);
 934     }
 935     /* key up events */
 936     for(i = nb_keycodes - 1; i >= 0; i--) {
 937         keycode = keycodes[i];
 938         if (keycode & 0x80)
 939             kbd_put_keycode(0xe0);
 940         kbd_put_keycode(keycode | 0x80);
 941     }
 942 }
 943
 944 static int mouse_button_state;
 945
 946 static void do_mouse_move(const char *dx_str, const char *dy_str,
 947                           const char *dz_str)
 948 {
 949     int dx, dy, dz;
 950     dx = strtol(dx_str, NULL, 0);
 951     dy = strtol(dy_str, NULL, 0);
 952     dz = 0;
 953     if (dz_str)
 954         dz = strtol(dz_str, NULL, 0);
 955     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 956 }
 957
 958 static void do_mouse_button(int button_state)
 959 {
 960     mouse_button_state = button_state;
 961     kbd_mouse_event(0, 0, 0, mouse_button_state);
 962 }
 963
 964 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 965 {
 966     uint32_t val;
 967     int suffix;
 968
 969     if (has_index) {
 970         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 971         addr++;
 972     }
 973     addr &= 0xffff;
 974
 975     switch(size) {
 976     default:
 977     case 1:
 978         val = cpu_inb(NULL, addr);
 979         suffix = 'b';
 980         break;
 981     case 2:
 982         val = cpu_inw(NULL, addr);
 983         suffix = 'w';
 984         break;
 985     case 4:
 986         val = cpu_inl(NULL, addr);
 987         suffix = 'l';
 988         break;
 989     }
 990     term_printf("port%c[0x%04x] = %#0*x\n",
 991                 suffix, addr, size * 2, val);
 992 }
 993
 994 static void do_system_reset(void)
 995 {
 996     qemu_system_reset_request();
 997 }
 998
 999 static void do_system_powerdown(void)
1000 {
1001     qemu_system_powerdown_request();
1002 }
1003
1004 #if defined(TARGET_I386)
1005 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1006 {
1007     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1008                 addr,
1009                 pte & mask,
1010                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1011                 pte & PG_PSE_MASK ? 'P' : '-',
1012                 pte & PG_DIRTY_MASK ? 'D' : '-',
1013                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1014                 pte & PG_PCD_MASK ? 'C' : '-',
1015                 pte & PG_PWT_MASK ? 'T' : '-',
1016                 pte & PG_USER_MASK ? 'U' : '-',
1017                 pte & PG_RW_MASK ? 'W' : '-');
1018 }
1019
1020 static void tlb_info(void)
1021 {
1022     CPUState *env;
1023     int l1, l2;
1024     uint32_t pgd, pde, pte;
1025
1026     env = mon_get_cpu();
1027     if (!env)
1028         return;
1029
1030     if (!(env->cr[0] & CR0_PG_MASK)) {
1031         term_printf("PG disabled\n");
1032         return;
1033     }
1034     pgd = env->cr[3] & ~0xfff;
1035     for(l1 = 0; l1 < 1024; l1++) {
1036         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1037         pde = le32_to_cpu(pde);
1038         if (pde & PG_PRESENT_MASK) {
1039             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1040                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1041             } else {
1042                 for(l2 = 0; l2 < 1024; l2++) {
1043                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1044                                              (uint8_t *)&pte, 4);
1045                     pte = le32_to_cpu(pte);
1046                     if (pte & PG_PRESENT_MASK) {
1047                         print_pte((l1 << 22) + (l2 << 12),
1048                                   pte & ~PG_PSE_MASK,
1049                                   ~0xfff);
1050                     }
1051                 }
1052             }
1053         }
1054     }
1055 }
1056
1057 static void mem_print(uint32_t *pstart, int *plast_prot,
1058                       uint32_t end, int prot)
1059 {
1060     int prot1;
1061     prot1 = *plast_prot;
1062     if (prot != prot1) {
1063         if (*pstart != -1) {
1064             term_printf("%08x-%08x %08x %c%c%c\n",
1065                         *pstart, end, end - *pstart,
1066                         prot1 & PG_USER_MASK ? 'u' : '-',
1067                         'r',
1068                         prot1 & PG_RW_MASK ? 'w' : '-');
1069         }
1070         if (prot != 0)
1071             *pstart = end;
1072         else
1073             *pstart = -1;
1074         *plast_prot = prot;
1075     }
1076 }
1077
1078 static void mem_info(void)
1079 {
1080     CPUState *env;
1081     int l1, l2, prot, last_prot;
1082     uint32_t pgd, pde, pte, start, end;
1083
1084     env = mon_get_cpu();
1085     if (!env)
1086         return;
1087
1088     if (!(env->cr[0] & CR0_PG_MASK)) {
1089         term_printf("PG disabled\n");
1090         return;
1091     }
1092     pgd = env->cr[3] & ~0xfff;
1093     last_prot = 0;
1094     start = -1;
1095     for(l1 = 0; l1 < 1024; l1++) {
1096         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1097         pde = le32_to_cpu(pde);
1098         end = l1 << 22;
1099         if (pde & PG_PRESENT_MASK) {
1100             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1101                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1102                 mem_print(&start, &last_prot, end, prot);
1103             } else {
1104                 for(l2 = 0; l2 < 1024; l2++) {
1105                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1106                                              (uint8_t *)&pte, 4);
1107                     pte = le32_to_cpu(pte);
1108                     end = (l1 << 22) + (l2 << 12);
1109                     if (pte & PG_PRESENT_MASK) {
1110                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1111                     } else {
1112                         prot = 0;
1113                     }
1114                     mem_print(&start, &last_prot, end, prot);
1115                 }
1116             }
1117         } else {
1118             prot = 0;
1119             mem_print(&start, &last_prot, end, prot);
1120         }
1121     }
1122 }
1123 #endif
1124
1125 static void do_info_kqemu(void)
1126 {
1127 #ifdef USE_KQEMU
1128     CPUState *env;
1129     int val;
1130     val = 0;
1131     env = mon_get_cpu();
1132     if (!env) {
1133         term_printf("No cpu initialized yet");
1134         return;
1135     }
1136     val = env->kqemu_enabled;
1137     term_printf("kqemu support: ");
1138     switch(val) {
1139     default:
1140     case 0:
1141         term_printf("disabled\n");
1142         break;
1143     case 1:
1144         term_printf("enabled for user code\n");
1145         break;
1146     case 2:
1147         term_printf("enabled for user and kernel code\n");
1148         break;
1149     }
1150 #else
1151     term_printf("kqemu support: not compiled\n");
1152 #endif
1153 }
1154
1155 #ifdef CONFIG_PROFILER
1156
1157 int64_t kqemu_time;
1158 int64_t qemu_time;
1159 int64_t kqemu_exec_count;
1160 int64_t dev_time;
1161 int64_t kqemu_ret_int_count;
1162 int64_t kqemu_ret_excp_count;
1163 int64_t kqemu_ret_intr_count;
1164
1165 static void do_info_profile(void)
1166 {
1167     int64_t total;
1168     total = qemu_time;
1169     if (total == 0)
1170         total = 1;
1171     term_printf("async time  %" PRId64 " (%0.3f)\n",
1172                 dev_time, dev_time / (double)ticks_per_sec);
1173     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1174                 qemu_time, qemu_time / (double)ticks_per_sec);
1175     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1176                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1177                 kqemu_time / (double)total * 100.0,
1178                 kqemu_exec_count,
1179                 kqemu_ret_int_count,
1180                 kqemu_ret_excp_count,
1181                 kqemu_ret_intr_count);
1182     qemu_time = 0;
1183     kqemu_time = 0;
1184     kqemu_exec_count = 0;
1185     dev_time = 0;
1186     kqemu_ret_int_count = 0;
1187     kqemu_ret_excp_count = 0;
1188     kqemu_ret_intr_count = 0;
1189 #ifdef USE_KQEMU
1190     kqemu_record_dump();
1191 #endif
1192 }
1193 #else
1194 static void do_info_profile(void)
1195 {
1196     term_printf("Internal profiler not compiled\n");
1197 }
1198 #endif
1199
1200 /* Capture support */
1201 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1202
1203 static void do_info_capture (void)
1204 {
1205     int i;
1206     CaptureState *s;
1207
1208     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1209         term_printf ("[%d]: ", i);
1210         s->ops.info (s->opaque);
1211     }
1212 }
1213
1214 static void do_stop_capture (int n)
1215 {
1216     int i;
1217     CaptureState *s;
1218
1219     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1220         if (i == n) {
1221             s->ops.destroy (s->opaque);
1222             LIST_REMOVE (s, entries);
1223             qemu_free (s);
1224             return;
1225         }
1226     }
1227 }
1228
1229 #ifdef HAS_AUDIO
1230 int wav_start_capture (CaptureState *s, const char *path, int freq,
1231                        int bits, int nchannels);
1232
1233 static void do_wav_capture (const char *path,
1234                             int has_freq, int freq,
1235                             int has_bits, int bits,
1236                             int has_channels, int nchannels)
1237 {
1238     CaptureState *s;
1239
1240     s = qemu_mallocz (sizeof (*s));
1241     if (!s) {
1242         term_printf ("Not enough memory to add wave capture\n");
1243         return;
1244     }
1245
1246     freq = has_freq ? freq : 44100;
1247     bits = has_bits ? bits : 16;
1248     nchannels = has_channels ? nchannels : 2;
1249
1250     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1251         term_printf ("Faied to add wave capture\n");
1252         qemu_free (s);
1253     }
1254     LIST_INSERT_HEAD (&capture_head, s, entries);
1255 }
1256 #endif
1257
1258 static term_cmd_t term_cmds[] = {
1259     { "help|?", "s?", do_help,
1260       "[cmd]", "show the help" },
1261     { "commit", "s", do_commit,
1262       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1263     { "info", "s?", do_info,
1264       "subcommand", "show various information about the system state" },
1265     { "q|quit", "", do_quit,
1266       "", "quit the emulator" },
1267     { "eject", "-fB", do_eject,
1268       "[-f] device", "eject a removable medium (use -f to force it)" },
1269     { "change", "BF", do_change,
1270       "device filename", "change a removable medium" },
1271     { "screendump", "F", do_screen_dump,
1272       "filename", "save screen into PPM image 'filename'" },
1273     { "logfile", "s", do_logfile,
1274       "filename", "output logs to 'filename'" },
1275     { "log", "s", do_log,
1276       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1277     { "savevm", "s?", do_savevm,
1278       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1279     { "loadvm", "s", do_loadvm,
1280       "tag|id", "restore a VM snapshot from its tag or id" },
1281     { "delvm", "s", do_delvm,
1282       "tag|id", "delete a VM snapshot from its tag or id" },
1283     { "stop", "", do_stop,
1284       "", "stop emulation", },
1285     { "c|cont", "", do_cont,
1286       "", "resume emulation", },
1287 #ifdef CONFIG_GDBSTUB
1288     { "gdbserver", "s?", do_gdbserver,
1289       "[port]", "start gdbserver session (default port=1234)", },
1290 #endif
1291     { "x", "/l", do_memory_dump,
1292       "/fmt addr", "virtual memory dump starting at 'addr'", },
1293     { "xp", "/l", do_physical_memory_dump,
1294       "/fmt addr", "physical memory dump starting at 'addr'", },
1295     { "p|print", "/l", do_print,
1296       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1297     { "i", "/ii.", do_ioport_read,
1298       "/fmt addr", "I/O port read" },
1299
1300     { "sendkey", "s", do_send_key,
1301       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1302     { "system_reset", "", do_system_reset,
1303       "", "reset the system" },
1304     { "system_powerdown", "", do_system_powerdown,
1305       "", "send system power down event" },
1306     { "sum", "ii", do_sum,
1307       "addr size", "compute the checksum of a memory region" },
1308     { "usb_add", "s", do_usb_add,
1309       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1310     { "usb_del", "s", do_usb_del,
1311       "device", "remove USB device 'bus.addr'" },
1312     { "cpu", "i", do_cpu_set,
1313       "index", "set the default CPU" },
1314     { "mouse_move", "sss?", do_mouse_move,
1315       "dx dy [dz]", "send mouse move events" },
1316     { "mouse_button", "i", do_mouse_button,
1317       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1318     { "mouse_set", "i", do_mouse_set,
1319       "index", "set which mouse device receives events" },
1320 #ifdef HAS_AUDIO
1321     { "wavcapture", "si?i?i?", do_wav_capture,
1322       "path [frequency bits channels]",
1323       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1324 #endif
1325      { "stopcapture", "i", do_stop_capture,
1326        "capture index", "stop capture" },
1327     { "memsave", "lis", do_memory_save,
1328       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1329     { NULL, NULL, },
1330 };
1331
1332 static term_cmd_t info_cmds[] = {
1333     { "version", "", do_info_version,
1334       "", "show the version of qemu" },
1335     { "network", "", do_info_network,
1336       "", "show the network state" },
1337     { "block", "", do_info_block,
1338       "", "show the block devices" },
1339     { "blockstats", "", do_info_blockstats,
1340       "", "show block device statistics" },
1341     { "registers", "", do_info_registers,
1342       "", "show the cpu registers" },
1343     { "cpus", "", do_info_cpus,
1344       "", "show infos for each CPU" },
1345     { "history", "", do_info_history,
1346       "", "show the command line history", },
1347     { "irq", "", irq_info,
1348       "", "show the interrupts statistics (if available)", },
1349     { "pic", "", pic_info,
1350       "", "show i8259 (PIC) state", },
1351     { "pci", "", pci_info,
1352       "", "show PCI info", },
1353 #if defined(TARGET_I386)
1354     { "tlb", "", tlb_info,
1355       "", "show virtual to physical memory mappings", },
1356     { "mem", "", mem_info,
1357       "", "show the active virtual memory mappings", },
1358 #endif
1359     { "jit", "", do_info_jit,
1360       "", "show dynamic compiler info", },
1361     { "kqemu", "", do_info_kqemu,
1362       "", "show kqemu information", },
1363     { "usb", "", usb_info,
1364       "", "show guest USB devices", },
1365     { "usbhost", "", usb_host_info,
1366       "", "show host USB devices", },
1367     { "profile", "", do_info_profile,
1368       "", "show profiling information", },
1369     { "capture", "", do_info_capture,
1370       "", "show capture information" },
1371     { "snapshots", "", do_info_snapshots,
1372       "", "show the currently saved VM snapshots" },
1373     { "pcmcia", "", pcmcia_info,
1374       "", "show guest PCMCIA status" },
1375     { "mice", "", do_info_mice,
1376       "", "show which guest mouse is receiving events" },
1377     { "vnc", "", do_info_vnc,
1378       "", "show the vnc server status"},
1379     { "name", "", do_info_name,
1380       "", "show the current VM name" },
1381 #if defined(TARGET_PPC)
1382     { "cpustats", "", do_info_cpu_stats,
1383       "", "show CPU statistics", },
1384 #endif
1385 #if defined(CONFIG_SLIRP)
1386     { "slirp", "", do_info_slirp,
1387       "", "show SLIRP statistics", },
1388 #endif
1389     { NULL, NULL, },
1390 };
1391
1392 /*******************************************************************/
1393
1394 static const char *pch;
1395 static jmp_buf expr_env;
1396
1397 #define MD_TLONG 0
1398 #define MD_I32   1
1399
1400 typedef struct MonitorDef {
1401     const char *name;
1402     int offset;
1403     target_long (*get_value)(struct MonitorDef *md, int val);
1404     int type;
1405 } MonitorDef;
1406
1407 #if defined(TARGET_I386)
1408 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1409 {
1410     CPUState *env = mon_get_cpu();
1411     if (!env)
1412         return 0;
1413     return env->eip + env->segs[R_CS].base;
1414 }
1415 #endif
1416
1417 #if defined(TARGET_PPC)
1418 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1419 {
1420     CPUState *env = mon_get_cpu();
1421     unsigned int u;
1422     int i;
1423
1424     if (!env)
1425         return 0;
1426
1427     u = 0;
1428     for (i = 0; i < 8; i++)
1429         u |= env->crf[i] << (32 - (4 * i));
1430
1431     return u;
1432 }
1433
1434 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1435 {
1436     CPUState *env = mon_get_cpu();
1437     if (!env)
1438         return 0;
1439     return env->msr;
1440 }
1441
1442 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1443 {
1444     CPUState *env = mon_get_cpu();
1445     if (!env)
1446         return 0;
1447     return ppc_load_xer(env);
1448 }
1449
1450 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1451 {
1452     CPUState *env = mon_get_cpu();
1453     if (!env)
1454         return 0;
1455     return cpu_ppc_load_decr(env);
1456 }
1457
1458 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1459 {
1460     CPUState *env = mon_get_cpu();
1461     if (!env)
1462         return 0;
1463     return cpu_ppc_load_tbu(env);
1464 }
1465
1466 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1467 {
1468     CPUState *env = mon_get_cpu();
1469     if (!env)
1470         return 0;
1471     return cpu_ppc_load_tbl(env);
1472 }
1473 #endif
1474
1475 #if defined(TARGET_SPARC)
1476 #ifndef TARGET_SPARC64
1477 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1478 {
1479     CPUState *env = mon_get_cpu();
1480     if (!env)
1481         return 0;
1482     return GET_PSR(env);
1483 }
1484 #endif
1485
1486 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1487 {
1488     CPUState *env = mon_get_cpu();
1489     if (!env)
1490         return 0;
1491     return env->regwptr[val];
1492 }
1493 #endif
1494
1495 static MonitorDef monitor_defs[] = {
1496 #ifdef TARGET_I386
1497
1498 #define SEG(name, seg) \
1499     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1500     { name ".base", offsetof(CPUState, segs[seg].base) },\
1501     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1502
1503     { "eax", offsetof(CPUState, regs[0]) },
1504     { "ecx", offsetof(CPUState, regs[1]) },
1505     { "edx", offsetof(CPUState, regs[2]) },
1506     { "ebx", offsetof(CPUState, regs[3]) },
1507     { "esp|sp", offsetof(CPUState, regs[4]) },
1508     { "ebp|fp", offsetof(CPUState, regs[5]) },
1509     { "esi", offsetof(CPUState, regs[6]) },
1510     { "edi", offsetof(CPUState, regs[7]) },
1511 #ifdef TARGET_X86_64
1512     { "r8", offsetof(CPUState, regs[8]) },
1513     { "r9", offsetof(CPUState, regs[9]) },
1514     { "r10", offsetof(CPUState, regs[10]) },
1515     { "r11", offsetof(CPUState, regs[11]) },
1516     { "r12", offsetof(CPUState, regs[12]) },
1517     { "r13", offsetof(CPUState, regs[13]) },
1518     { "r14", offsetof(CPUState, regs[14]) },
1519     { "r15", offsetof(CPUState, regs[15]) },
1520 #endif
1521     { "eflags", offsetof(CPUState, eflags) },
1522     { "eip", offsetof(CPUState, eip) },
1523     SEG("cs", R_CS)
1524     SEG("ds", R_DS)
1525     SEG("es", R_ES)
1526     SEG("ss", R_SS)
1527     SEG("fs", R_FS)
1528     SEG("gs", R_GS)
1529     { "pc", 0, monitor_get_pc, },
1530 #elif defined(TARGET_PPC)
1531     /* General purpose registers */
1532     { "r0", offsetof(CPUState, gpr[0]) },
1533     { "r1", offsetof(CPUState, gpr[1]) },
1534     { "r2", offsetof(CPUState, gpr[2]) },
1535     { "r3", offsetof(CPUState, gpr[3]) },
1536     { "r4", offsetof(CPUState, gpr[4]) },
1537     { "r5", offsetof(CPUState, gpr[5]) },
1538     { "r6", offsetof(CPUState, gpr[6]) },
1539     { "r7", offsetof(CPUState, gpr[7]) },
1540     { "r8", offsetof(CPUState, gpr[8]) },
1541     { "r9", offsetof(CPUState, gpr[9]) },
1542     { "r10", offsetof(CPUState, gpr[10]) },
1543     { "r11", offsetof(CPUState, gpr[11]) },
1544     { "r12", offsetof(CPUState, gpr[12]) },
1545     { "r13", offsetof(CPUState, gpr[13]) },
1546     { "r14", offsetof(CPUState, gpr[14]) },
1547     { "r15", offsetof(CPUState, gpr[15]) },
1548     { "r16", offsetof(CPUState, gpr[16]) },
1549     { "r17", offsetof(CPUState, gpr[17]) },
1550     { "r18", offsetof(CPUState, gpr[18]) },
1551     { "r19", offsetof(CPUState, gpr[19]) },
1552     { "r20", offsetof(CPUState, gpr[20]) },
1553     { "r21", offsetof(CPUState, gpr[21]) },
1554     { "r22", offsetof(CPUState, gpr[22]) },
1555     { "r23", offsetof(CPUState, gpr[23]) },
1556     { "r24", offsetof(CPUState, gpr[24]) },
1557     { "r25", offsetof(CPUState, gpr[25]) },
1558     { "r26", offsetof(CPUState, gpr[26]) },
1559     { "r27", offsetof(CPUState, gpr[27]) },
1560     { "r28", offsetof(CPUState, gpr[28]) },
1561     { "r29", offsetof(CPUState, gpr[29]) },
1562     { "r30", offsetof(CPUState, gpr[30]) },
1563     { "r31", offsetof(CPUState, gpr[31]) },
1564     /* Floating point registers */
1565     { "f0", offsetof(CPUState, fpr[0]) },
1566     { "f1", offsetof(CPUState, fpr[1]) },
1567     { "f2", offsetof(CPUState, fpr[2]) },
1568     { "f3", offsetof(CPUState, fpr[3]) },
1569     { "f4", offsetof(CPUState, fpr[4]) },
1570     { "f5", offsetof(CPUState, fpr[5]) },
1571     { "f6", offsetof(CPUState, fpr[6]) },
1572     { "f7", offsetof(CPUState, fpr[7]) },
1573     { "f8", offsetof(CPUState, fpr[8]) },
1574     { "f9", offsetof(CPUState, fpr[9]) },
1575     { "f10", offsetof(CPUState, fpr[10]) },
1576     { "f11", offsetof(CPUState, fpr[11]) },
1577     { "f12", offsetof(CPUState, fpr[12]) },
1578     { "f13", offsetof(CPUState, fpr[13]) },
1579     { "f14", offsetof(CPUState, fpr[14]) },
1580     { "f15", offsetof(CPUState, fpr[15]) },
1581     { "f16", offsetof(CPUState, fpr[16]) },
1582     { "f17", offsetof(CPUState, fpr[17]) },
1583     { "f18", offsetof(CPUState, fpr[18]) },
1584     { "f19", offsetof(CPUState, fpr[19]) },
1585     { "f20", offsetof(CPUState, fpr[20]) },
1586     { "f21", offsetof(CPUState, fpr[21]) },
1587     { "f22", offsetof(CPUState, fpr[22]) },
1588     { "f23", offsetof(CPUState, fpr[23]) },
1589     { "f24", offsetof(CPUState, fpr[24]) },
1590     { "f25", offsetof(CPUState, fpr[25]) },
1591     { "f26", offsetof(CPUState, fpr[26]) },
1592     { "f27", offsetof(CPUState, fpr[27]) },
1593     { "f28", offsetof(CPUState, fpr[28]) },
1594     { "f29", offsetof(CPUState, fpr[29]) },
1595     { "f30", offsetof(CPUState, fpr[30]) },
1596     { "f31", offsetof(CPUState, fpr[31]) },
1597     { "fpscr", offsetof(CPUState, fpscr) },
1598     /* Next instruction pointer */
1599     { "nip|pc", offsetof(CPUState, nip) },
1600     { "lr", offsetof(CPUState, lr) },
1601     { "ctr", offsetof(CPUState, ctr) },
1602     { "decr", 0, &monitor_get_decr, },
1603     { "ccr", 0, &monitor_get_ccr, },
1604     /* Machine state register */
1605     { "msr", 0, &monitor_get_msr, },
1606     { "xer", 0, &monitor_get_xer, },
1607     { "tbu", 0, &monitor_get_tbu, },
1608     { "tbl", 0, &monitor_get_tbl, },
1609 #if defined(TARGET_PPC64)
1610     /* Address space register */
1611     { "asr", offsetof(CPUState, asr) },
1612 #endif
1613     /* Segment registers */
1614     { "sdr1", offsetof(CPUState, sdr1) },
1615     { "sr0", offsetof(CPUState, sr[0]) },
1616     { "sr1", offsetof(CPUState, sr[1]) },
1617     { "sr2", offsetof(CPUState, sr[2]) },
1618     { "sr3", offsetof(CPUState, sr[3]) },
1619     { "sr4", offsetof(CPUState, sr[4]) },
1620     { "sr5", offsetof(CPUState, sr[5]) },
1621     { "sr6", offsetof(CPUState, sr[6]) },
1622     { "sr7", offsetof(CPUState, sr[7]) },
1623     { "sr8", offsetof(CPUState, sr[8]) },
1624     { "sr9", offsetof(CPUState, sr[9]) },
1625     { "sr10", offsetof(CPUState, sr[10]) },
1626     { "sr11", offsetof(CPUState, sr[11]) },
1627     { "sr12", offsetof(CPUState, sr[12]) },
1628     { "sr13", offsetof(CPUState, sr[13]) },
1629     { "sr14", offsetof(CPUState, sr[14]) },
1630     { "sr15", offsetof(CPUState, sr[15]) },
1631     /* Too lazy to put BATs and SPRs ... */
1632 #elif defined(TARGET_SPARC)
1633     { "g0", offsetof(CPUState, gregs[0]) },
1634     { "g1", offsetof(CPUState, gregs[1]) },
1635     { "g2", offsetof(CPUState, gregs[2]) },
1636     { "g3", offsetof(CPUState, gregs[3]) },
1637     { "g4", offsetof(CPUState, gregs[4]) },
1638     { "g5", offsetof(CPUState, gregs[5]) },
1639     { "g6", offsetof(CPUState, gregs[6]) },
1640     { "g7", offsetof(CPUState, gregs[7]) },
1641     { "o0", 0, monitor_get_reg },
1642     { "o1", 1, monitor_get_reg },
1643     { "o2", 2, monitor_get_reg },
1644     { "o3", 3, monitor_get_reg },
1645     { "o4", 4, monitor_get_reg },
1646     { "o5", 5, monitor_get_reg },
1647     { "o6", 6, monitor_get_reg },
1648     { "o7", 7, monitor_get_reg },
1649     { "l0", 8, monitor_get_reg },
1650     { "l1", 9, monitor_get_reg },
1651     { "l2", 10, monitor_get_reg },
1652     { "l3", 11, monitor_get_reg },
1653     { "l4", 12, monitor_get_reg },
1654     { "l5", 13, monitor_get_reg },
1655     { "l6", 14, monitor_get_reg },
1656     { "l7", 15, monitor_get_reg },
1657     { "i0", 16, monitor_get_reg },
1658     { "i1", 17, monitor_get_reg },
1659     { "i2", 18, monitor_get_reg },
1660     { "i3", 19, monitor_get_reg },
1661     { "i4", 20, monitor_get_reg },
1662     { "i5", 21, monitor_get_reg },
1663     { "i6", 22, monitor_get_reg },
1664     { "i7", 23, monitor_get_reg },
1665     { "pc", offsetof(CPUState, pc) },
1666     { "npc", offsetof(CPUState, npc) },
1667     { "y", offsetof(CPUState, y) },
1668 #ifndef TARGET_SPARC64
1669     { "psr", 0, &monitor_get_psr, },
1670     { "wim", offsetof(CPUState, wim) },
1671 #endif
1672     { "tbr", offsetof(CPUState, tbr) },
1673     { "fsr", offsetof(CPUState, fsr) },
1674     { "f0", offsetof(CPUState, fpr[0]) },
1675     { "f1", offsetof(CPUState, fpr[1]) },
1676     { "f2", offsetof(CPUState, fpr[2]) },
1677     { "f3", offsetof(CPUState, fpr[3]) },
1678     { "f4", offsetof(CPUState, fpr[4]) },
1679     { "f5", offsetof(CPUState, fpr[5]) },
1680     { "f6", offsetof(CPUState, fpr[6]) },
1681     { "f7", offsetof(CPUState, fpr[7]) },
1682     { "f8", offsetof(CPUState, fpr[8]) },
1683     { "f9", offsetof(CPUState, fpr[9]) },
1684     { "f10", offsetof(CPUState, fpr[10]) },
1685     { "f11", offsetof(CPUState, fpr[11]) },
1686     { "f12", offsetof(CPUState, fpr[12]) },
1687     { "f13", offsetof(CPUState, fpr[13]) },
1688     { "f14", offsetof(CPUState, fpr[14]) },
1689     { "f15", offsetof(CPUState, fpr[15]) },
1690     { "f16", offsetof(CPUState, fpr[16]) },
1691     { "f17", offsetof(CPUState, fpr[17]) },
1692     { "f18", offsetof(CPUState, fpr[18]) },
1693     { "f19", offsetof(CPUState, fpr[19]) },
1694     { "f20", offsetof(CPUState, fpr[20]) },
1695     { "f21", offsetof(CPUState, fpr[21]) },
1696     { "f22", offsetof(CPUState, fpr[22]) },
1697     { "f23", offsetof(CPUState, fpr[23]) },
1698     { "f24", offsetof(CPUState, fpr[24]) },
1699     { "f25", offsetof(CPUState, fpr[25]) },
1700     { "f26", offsetof(CPUState, fpr[26]) },
1701     { "f27", offsetof(CPUState, fpr[27]) },
1702     { "f28", offsetof(CPUState, fpr[28]) },
1703     { "f29", offsetof(CPUState, fpr[29]) },
1704     { "f30", offsetof(CPUState, fpr[30]) },
1705     { "f31", offsetof(CPUState, fpr[31]) },
1706 #ifdef TARGET_SPARC64
1707     { "f32", offsetof(CPUState, fpr[32]) },
1708     { "f34", offsetof(CPUState, fpr[34]) },
1709     { "f36", offsetof(CPUState, fpr[36]) },
1710     { "f38", offsetof(CPUState, fpr[38]) },
1711     { "f40", offsetof(CPUState, fpr[40]) },
1712     { "f42", offsetof(CPUState, fpr[42]) },
1713     { "f44", offsetof(CPUState, fpr[44]) },
1714     { "f46", offsetof(CPUState, fpr[46]) },
1715     { "f48", offsetof(CPUState, fpr[48]) },
1716     { "f50", offsetof(CPUState, fpr[50]) },
1717     { "f52", offsetof(CPUState, fpr[52]) },
1718     { "f54", offsetof(CPUState, fpr[54]) },
1719     { "f56", offsetof(CPUState, fpr[56]) },
1720     { "f58", offsetof(CPUState, fpr[58]) },
1721     { "f60", offsetof(CPUState, fpr[60]) },
1722     { "f62", offsetof(CPUState, fpr[62]) },
1723     { "asi", offsetof(CPUState, asi) },
1724     { "pstate", offsetof(CPUState, pstate) },
1725     { "cansave", offsetof(CPUState, cansave) },
1726     { "canrestore", offsetof(CPUState, canrestore) },
1727     { "otherwin", offsetof(CPUState, otherwin) },
1728     { "wstate", offsetof(CPUState, wstate) },
1729     { "cleanwin", offsetof(CPUState, cleanwin) },
1730     { "fprs", offsetof(CPUState, fprs) },
1731 #endif
1732 #endif
1733     { NULL },
1734 };
1735
1736 static void expr_error(const char *fmt)
1737 {
1738     term_printf(fmt);
1739     term_printf("\n");
1740     longjmp(expr_env, 1);
1741 }
1742
1743 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1744 static int get_monitor_def(target_long *pval, const char *name)
1745 {
1746     MonitorDef *md;
1747     void *ptr;
1748
1749     for(md = monitor_defs; md->name != NULL; md++) {
1750         if (compare_cmd(name, md->name)) {
1751             if (md->get_value) {
1752                 *pval = md->get_value(md, md->offset);
1753             } else {
1754                 CPUState *env = mon_get_cpu();
1755                 if (!env)
1756                     return -2;
1757                 ptr = (uint8_t *)env + md->offset;
1758                 switch(md->type) {
1759                 case MD_I32:
1760                     *pval = *(int32_t *)ptr;
1761                     break;
1762                 case MD_TLONG:
1763                     *pval = *(target_long *)ptr;
1764                     break;
1765                 default:
1766                     *pval = 0;
1767                     break;
1768                 }
1769             }
1770             return 0;
1771         }
1772     }
1773     return -1;
1774 }
1775
1776 static void next(void)
1777 {
1778     if (pch != '\0') {
1779         pch++;
1780         while (isspace(*pch))
1781             pch++;
1782     }
1783 }
1784
1785 static int64_t expr_sum(void);
1786
1787 static int64_t expr_unary(void)
1788 {
1789     int64_t n;
1790     char *p;
1791     int ret;
1792
1793     switch(*pch) {
1794     case '+':
1795         next();
1796         n = expr_unary();
1797         break;
1798     case '-':
1799         next();
1800         n = -expr_unary();
1801         break;
1802     case '~':
1803         next();
1804         n = ~expr_unary();
1805         break;
1806     case '(':
1807         next();
1808         n = expr_sum();
1809         if (*pch != ')') {
1810             expr_error("')' expected");
1811         }
1812         next();
1813         break;
1814     case '\'':
1815         pch++;
1816         if (*pch == '\0')
1817             expr_error("character constant expected");
1818         n = *pch;
1819         pch++;
1820         if (*pch != '\'')
1821             expr_error("missing terminating \' character");
1822         next();
1823         break;
1824     case '$':
1825         {
1826             char buf[128], *q;
1827             target_long reg=0;
1828
1829             pch++;
1830             q = buf;
1831             while ((*pch >= 'a' && *pch <= 'z') ||
1832                    (*pch >= 'A' && *pch <= 'Z') ||
1833                    (*pch >= '0' && *pch <= '9') ||
1834                    *pch == '_' || *pch == '.') {
1835                 if ((q - buf) < sizeof(buf) - 1)
1836                     *q++ = *pch;
1837                 pch++;
1838             }
1839             while (isspace(*pch))
1840                 pch++;
1841             *q = 0;
1842             ret = get_monitor_def(&reg, buf);
1843             if (ret == -1)
1844                 expr_error("unknown register");
1845             else if (ret == -2)
1846                 expr_error("no cpu defined");
1847             n = reg;
1848         }
1849         break;
1850     case '\0':
1851         expr_error("unexpected end of expression");
1852         n = 0;
1853         break;
1854     default:
1855 #if TARGET_PHYS_ADDR_BITS > 32
1856         n = strtoull(pch, &p, 0);
1857 #else
1858         n = strtoul(pch, &p, 0);
1859 #endif
1860         if (pch == p) {
1861             expr_error("invalid char in expression");
1862         }
1863         pch = p;
1864         while (isspace(*pch))
1865             pch++;
1866         break;
1867     }
1868     return n;
1869 }
1870
1871
1872 static int64_t expr_prod(void)
1873 {
1874     int64_t val, val2;
1875     int op;
1876
1877     val = expr_unary();
1878     for(;;) {
1879         op = *pch;
1880         if (op != '*' && op != '/' && op != '%')
1881             break;
1882         next();
1883         val2 = expr_unary();
1884         switch(op) {
1885         default:
1886         case '*':
1887             val *= val2;
1888             break;
1889         case '/':
1890         case '%':
1891             if (val2 == 0)
1892                 expr_error("division by zero");
1893             if (op == '/')
1894                 val /= val2;
1895             else
1896                 val %= val2;
1897             break;
1898         }
1899     }
1900     return val;
1901 }
1902
1903 static int64_t expr_logic(void)
1904 {
1905     int64_t val, val2;
1906     int op;
1907
1908     val = expr_prod();
1909     for(;;) {
1910         op = *pch;
1911         if (op != '&' && op != '|' && op != '^')
1912             break;
1913         next();
1914         val2 = expr_prod();
1915         switch(op) {
1916         default:
1917         case '&':
1918             val &= val2;
1919             break;
1920         case '|':
1921             val |= val2;
1922             break;
1923         case '^':
1924             val ^= val2;
1925             break;
1926         }
1927     }
1928     return val;
1929 }
1930
1931 static int64_t expr_sum(void)
1932 {
1933     int64_t val, val2;
1934     int op;
1935
1936     val = expr_logic();
1937     for(;;) {
1938         op = *pch;
1939         if (op != '+' && op != '-')
1940             break;
1941         next();
1942         val2 = expr_logic();
1943         if (op == '+')
1944             val += val2;
1945         else
1946             val -= val2;
1947     }
1948     return val;
1949 }
1950
1951 static int get_expr(int64_t *pval, const char **pp)
1952 {
1953     pch = *pp;
1954     if (setjmp(expr_env)) {
1955         *pp = pch;
1956         return -1;
1957     }
1958     while (isspace(*pch))
1959         pch++;
1960     *pval = expr_sum();
1961     *pp = pch;
1962     return 0;
1963 }
1964
1965 static int get_str(char *buf, int buf_size, const char **pp)
1966 {
1967     const char *p;
1968     char *q;
1969     int c;
1970
1971     q = buf;
1972     p = *pp;
1973     while (isspace(*p))
1974         p++;
1975     if (*p == '\0') {
1976     fail:
1977         *q = '\0';
1978         *pp = p;
1979         return -1;
1980     }
1981     if (*p == '\"') {
1982         p++;
1983         while (*p != '\0' && *p != '\"') {
1984             if (*p == '\\') {
1985                 p++;
1986                 c = *p++;
1987                 switch(c) {
1988                 case 'n':
1989                     c = '\n';
1990                     break;
1991                 case 'r':
1992                     c = '\r';
1993                     break;
1994                 case '\\':
1995                 case '\'':
1996                 case '\"':
1997                     break;
1998                 default:
1999                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2000                     goto fail;
2001                 }
2002                 if ((q - buf) < buf_size - 1) {
2003                     *q++ = c;
2004                 }
2005             } else {
2006                 if ((q - buf) < buf_size - 1) {
2007                     *q++ = *p;
2008                 }
2009                 p++;
2010             }
2011         }
2012         if (*p != '\"') {
2013             qemu_printf("unterminated string\n");
2014             goto fail;
2015         }
2016         p++;
2017     } else {
2018         while (*p != '\0' && !isspace(*p)) {
2019             if ((q - buf) < buf_size - 1) {
2020                 *q++ = *p;
2021             }
2022             p++;
2023         }
2024     }
2025     *q = '\0';
2026     *pp = p;
2027     return 0;
2028 }
2029
2030 static int default_fmt_format = 'x';
2031 static int default_fmt_size = 4;
2032
2033 #define MAX_ARGS 16
2034
2035 static void monitor_handle_command(const char *cmdline)
2036 {
2037     const char *p, *pstart, *typestr;
2038     char *q;
2039     int c, nb_args, len, i, has_arg;
2040     term_cmd_t *cmd;
2041     char cmdname[256];
2042     char buf[1024];
2043     void *str_allocated[MAX_ARGS];
2044     void *args[MAX_ARGS];
2045
2046 #ifdef DEBUG
2047     term_printf("command='%s'\n", cmdline);
2048 #endif
2049
2050     /* extract the command name */
2051     p = cmdline;
2052     q = cmdname;
2053     while (isspace(*p))
2054         p++;
2055     if (*p == '\0')
2056         return;
2057     pstart = p;
2058     while (*p != '\0' && *p != '/' && !isspace(*p))
2059         p++;
2060     len = p - pstart;
2061     if (len > sizeof(cmdname) - 1)
2062         len = sizeof(cmdname) - 1;
2063     memcpy(cmdname, pstart, len);
2064     cmdname[len] = '\0';
2065
2066     /* find the command */
2067     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2068         if (compare_cmd(cmdname, cmd->name))
2069             goto found;
2070     }
2071     term_printf("unknown command: '%s'\n", cmdname);
2072     return;
2073  found:
2074
2075     for(i = 0; i < MAX_ARGS; i++)
2076         str_allocated[i] = NULL;
2077
2078     /* parse the parameters */
2079     typestr = cmd->args_type;
2080     nb_args = 0;
2081     for(;;) {
2082         c = *typestr;
2083         if (c == '\0')
2084             break;
2085         typestr++;
2086         switch(c) {
2087         case 'F':
2088         case 'B':
2089         case 's':
2090             {
2091                 int ret;
2092                 char *str;
2093
2094                 while (isspace(*p))
2095                     p++;
2096                 if (*typestr == '?') {
2097                     typestr++;
2098                     if (*p == '\0') {
2099                         /* no optional string: NULL argument */
2100                         str = NULL;
2101                         goto add_str;
2102                     }
2103                 }
2104                 ret = get_str(buf, sizeof(buf), &p);
2105                 if (ret < 0) {
2106                     switch(c) {
2107                     case 'F':
2108                         term_printf("%s: filename expected\n", cmdname);
2109                         break;
2110                     case 'B':
2111                         term_printf("%s: block device name expected\n", cmdname);
2112                         break;
2113                     default:
2114                         term_printf("%s: string expected\n", cmdname);
2115                         break;
2116                     }
2117                     goto fail;
2118                 }
2119                 str = qemu_malloc(strlen(buf) + 1);
2120                 strcpy(str, buf);
2121                 str_allocated[nb_args] = str;
2122             add_str:
2123                 if (nb_args >= MAX_ARGS) {
2124                 error_args:
2125                     term_printf("%s: too many arguments\n", cmdname);
2126                     goto fail;
2127                 }
2128                 args[nb_args++] = str;
2129             }
2130             break;
2131         case '/':
2132             {
2133                 int count, format, size;
2134
2135                 while (isspace(*p))
2136                     p++;
2137                 if (*p == '/') {
2138                     /* format found */
2139                     p++;
2140                     count = 1;
2141                     if (isdigit(*p)) {
2142                         count = 0;
2143                         while (isdigit(*p)) {
2144                             count = count * 10 + (*p - '0');
2145                             p++;
2146                         }
2147                     }
2148                     size = -1;
2149                     format = -1;
2150                     for(;;) {
2151                         switch(*p) {
2152                         case 'o':
2153                         case 'd':
2154                         case 'u':
2155                         case 'x':
2156                         case 'i':
2157                         case 'c':
2158                             format = *p++;
2159                             break;
2160                         case 'b':
2161                             size = 1;
2162                             p++;
2163                             break;
2164                         case 'h':
2165                             size = 2;
2166                             p++;
2167                             break;
2168                         case 'w':
2169                             size = 4;
2170                             p++;
2171                             break;
2172                         case 'g':
2173                         case 'L':
2174                             size = 8;
2175                             p++;
2176                             break;
2177                         default:
2178                             goto next;
2179                         }
2180                     }
2181                 next:
2182                     if (*p != '\0' && !isspace(*p)) {
2183                         term_printf("invalid char in format: '%c'\n", *p);
2184                         goto fail;
2185                     }
2186                     if (format < 0)
2187                         format = default_fmt_format;
2188                     if (format != 'i') {
2189                         /* for 'i', not specifying a size gives -1 as size */
2190                         if (size < 0)
2191                             size = default_fmt_size;
2192                     }
2193                     default_fmt_size = size;
2194                     default_fmt_format = format;
2195                 } else {
2196                     count = 1;
2197                     format = default_fmt_format;
2198                     if (format != 'i') {
2199                         size = default_fmt_size;
2200                     } else {
2201                         size = -1;
2202                     }
2203                 }
2204                 if (nb_args + 3 > MAX_ARGS)
2205                     goto error_args;
2206                 args[nb_args++] = (void*)(long)count;
2207                 args[nb_args++] = (void*)(long)format;
2208                 args[nb_args++] = (void*)(long)size;
2209             }
2210             break;
2211         case 'i':
2212         case 'l':
2213             {
2214                 int64_t val;
2215
2216                 while (isspace(*p))
2217                     p++;
2218                 if (*typestr == '?' || *typestr == '.') {
2219                     if (*typestr == '?') {
2220                         if (*p == '\0')
2221                             has_arg = 0;
2222                         else
2223                             has_arg = 1;
2224                     } else {
2225                         if (*p == '.') {
2226                             p++;
2227                             while (isspace(*p))
2228                                 p++;
2229                             has_arg = 1;
2230                         } else {
2231                             has_arg = 0;
2232                         }
2233                     }
2234                     typestr++;
2235                     if (nb_args >= MAX_ARGS)
2236                         goto error_args;
2237                     args[nb_args++] = (void *)(long)has_arg;
2238                     if (!has_arg) {
2239                         if (nb_args >= MAX_ARGS)
2240                             goto error_args;
2241                         val = -1;
2242                         goto add_num;
2243                     }
2244                 }
2245                 if (get_expr(&val, &p))
2246                     goto fail;
2247             add_num:
2248                 if (c == 'i') {
2249                     if (nb_args >= MAX_ARGS)
2250                         goto error_args;
2251                     args[nb_args++] = (void *)(long)val;
2252                 } else {
2253                     if ((nb_args + 1) >= MAX_ARGS)
2254                         goto error_args;
2255 #if TARGET_PHYS_ADDR_BITS > 32
2256                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2257 #else
2258                     args[nb_args++] = (void *)0;
2259 #endif
2260                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2261                 }
2262             }
2263             break;
2264         case '-':
2265             {
2266                 int has_option;
2267                 /* option */
2268
2269                 c = *typestr++;
2270                 if (c == '\0')
2271                     goto bad_type;
2272                 while (isspace(*p))
2273                     p++;
2274                 has_option = 0;
2275                 if (*p == '-') {
2276                     p++;
2277                     if (*p != c) {
2278                         term_printf("%s: unsupported option -%c\n",
2279                                     cmdname, *p);
2280                         goto fail;
2281                     }
2282                     p++;
2283                     has_option = 1;
2284                 }
2285                 if (nb_args >= MAX_ARGS)
2286                     goto error_args;
2287                 args[nb_args++] = (void *)(long)has_option;
2288             }
2289             break;
2290         default:
2291         bad_type:
2292             term_printf("%s: unknown type '%c'\n", cmdname, c);
2293             goto fail;
2294         }
2295     }
2296     /* check that all arguments were parsed */
2297     while (isspace(*p))
2298         p++;
2299     if (*p != '\0') {
2300         term_printf("%s: extraneous characters at the end of line\n",
2301                     cmdname);
2302         goto fail;
2303     }
2304
2305     switch(nb_args) {
2306     case 0:
2307         cmd->handler();
2308         break;
2309     case 1:
2310         cmd->handler(args[0]);
2311         break;
2312     case 2:
2313         cmd->handler(args[0], args[1]);
2314         break;
2315     case 3:
2316         cmd->handler(args[0], args[1], args[2]);
2317         break;
2318     case 4:
2319         cmd->handler(args[0], args[1], args[2], args[3]);
2320         break;
2321     case 5:
2322         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2323         break;
2324     case 6:
2325         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2326         break;
2327     case 7:
2328         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2329         break;
2330     default:
2331         term_printf("unsupported number of arguments: %d\n", nb_args);
2332         goto fail;
2333     }
2334  fail:
2335     for(i = 0; i < MAX_ARGS; i++)
2336         qemu_free(str_allocated[i]);
2337     return;
2338 }
2339
2340 static void cmd_completion(const char *name, const char *list)
2341 {
2342     const char *p, *pstart;
2343     char cmd[128];
2344     int len;
2345
2346     p = list;
2347     for(;;) {
2348         pstart = p;
2349         p = strchr(p, '|');
2350         if (!p)
2351             p = pstart + strlen(pstart);
2352         len = p - pstart;
2353         if (len > sizeof(cmd) - 2)
2354             len = sizeof(cmd) - 2;
2355         memcpy(cmd, pstart, len);
2356         cmd[len] = '\0';
2357         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2358             add_completion(cmd);
2359         }
2360         if (*p == '\0')
2361             break;
2362         p++;
2363     }
2364 }
2365
2366 static void file_completion(const char *input)
2367 {
2368     DIR *ffs;
2369     struct dirent *d;
2370     char path[1024];
2371     char file[1024], file_prefix[1024];
2372     int input_path_len;
2373     const char *p;
2374
2375     p = strrchr(input, '/');
2376     if (!p) {
2377         input_path_len = 0;
2378         pstrcpy(file_prefix, sizeof(file_prefix), input);
2379         strcpy(path, ".");
2380     } else {
2381         input_path_len = p - input + 1;
2382         memcpy(path, input, input_path_len);
2383         if (input_path_len > sizeof(path) - 1)
2384             input_path_len = sizeof(path) - 1;
2385         path[input_path_len] = '\0';
2386         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2387     }
2388 #ifdef DEBUG_COMPLETION
2389     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2390 #endif
2391     ffs = opendir(path);
2392     if (!ffs)
2393         return;
2394     for(;;) {
2395         struct stat sb;
2396         d = readdir(ffs);
2397         if (!d)
2398             break;
2399         if (strstart(d->d_name, file_prefix, NULL)) {
2400             memcpy(file, input, input_path_len);
2401             strcpy(file + input_path_len, d->d_name);
2402             /* stat the file to find out if it's a directory.
2403              * In that case add a slash to speed up typing long paths
2404              */
2405             stat(file, &sb);
2406             if(S_ISDIR(sb.st_mode))
2407                 strcat(file, "/");
2408             add_completion(file);
2409         }
2410     }
2411     closedir(ffs);
2412 }
2413
2414 static void block_completion_it(void *opaque, const char *name)
2415 {
2416     const char *input = opaque;
2417
2418     if (input[0] == '\0' ||
2419         !strncmp(name, (char *)input, strlen(input))) {
2420         add_completion(name);
2421     }
2422 }
2423
2424 /* NOTE: this parser is an approximate form of the real command parser */
2425 static void parse_cmdline(const char *cmdline,
2426                          int *pnb_args, char **args)
2427 {
2428     const char *p;
2429     int nb_args, ret;
2430     char buf[1024];
2431
2432     p = cmdline;
2433     nb_args = 0;
2434     for(;;) {
2435         while (isspace(*p))
2436             p++;
2437         if (*p == '\0')
2438             break;
2439         if (nb_args >= MAX_ARGS)
2440             break;
2441         ret = get_str(buf, sizeof(buf), &p);
2442         args[nb_args] = qemu_strdup(buf);
2443         nb_args++;
2444         if (ret < 0)
2445             break;
2446     }
2447     *pnb_args = nb_args;
2448 }
2449
2450 void readline_find_completion(const char *cmdline)
2451 {
2452     const char *cmdname;
2453     char *args[MAX_ARGS];
2454     int nb_args, i, len;
2455     const char *ptype, *str;
2456     term_cmd_t *cmd;
2457     const KeyDef *key;
2458
2459     parse_cmdline(cmdline, &nb_args, args);
2460 #ifdef DEBUG_COMPLETION
2461     for(i = 0; i < nb_args; i++) {
2462         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2463     }
2464 #endif
2465
2466     /* if the line ends with a space, it means we want to complete the
2467        next arg */
2468     len = strlen(cmdline);
2469     if (len > 0 && isspace(cmdline[len - 1])) {
2470         if (nb_args >= MAX_ARGS)
2471             return;
2472         args[nb_args++] = qemu_strdup("");
2473     }
2474     if (nb_args <= 1) {
2475         /* command completion */
2476         if (nb_args == 0)
2477             cmdname = "";
2478         else
2479             cmdname = args[0];
2480         completion_index = strlen(cmdname);
2481         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2482             cmd_completion(cmdname, cmd->name);
2483         }
2484     } else {
2485         /* find the command */
2486         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2487             if (compare_cmd(args[0], cmd->name))
2488                 goto found;
2489         }
2490         return;
2491     found:
2492         ptype = cmd->args_type;
2493         for(i = 0; i < nb_args - 2; i++) {
2494             if (*ptype != '\0') {
2495                 ptype++;
2496                 while (*ptype == '?')
2497                     ptype++;
2498             }
2499         }
2500         str = args[nb_args - 1];
2501         switch(*ptype) {
2502         case 'F':
2503             /* file completion */
2504             completion_index = strlen(str);
2505             file_completion(str);
2506             break;
2507         case 'B':
2508             /* block device name completion */
2509             completion_index = strlen(str);
2510             bdrv_iterate(block_completion_it, (void *)str);
2511             break;
2512         case 's':
2513             /* XXX: more generic ? */
2514             if (!strcmp(cmd->name, "info")) {
2515                 completion_index = strlen(str);
2516                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2517                     cmd_completion(str, cmd->name);
2518                 }
2519             } else if (!strcmp(cmd->name, "sendkey")) {
2520                 completion_index = strlen(str);
2521                 for(key = key_defs; key->name != NULL; key++) {
2522                     cmd_completion(str, key->name);
2523                 }
2524             }
2525             break;
2526         default:
2527             break;
2528         }
2529     }
2530     for(i = 0; i < nb_args; i++)
2531         qemu_free(args[i]);
2532 }
2533
2534 static int term_can_read(void *opaque)
2535 {
2536     return 128;
2537 }
2538
2539 static void term_read(void *opaque, const uint8_t *buf, int size)
2540 {
2541     int i;
2542     for(i = 0; i < size; i++)
2543         readline_handle_byte(buf[i]);
2544 }
2545
2546 static void monitor_start_input(void);
2547
2548 static void monitor_handle_command1(void *opaque, const char *cmdline)
2549 {
2550     monitor_handle_command(cmdline);
2551     monitor_start_input();
2552 }
2553
2554 static void monitor_start_input(void)
2555 {
2556     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2557 }
2558
2559 static void term_event(void *opaque, int event)
2560 {
2561     if (event != CHR_EVENT_RESET)
2562         return;
2563
2564     if (!hide_banner)
2565             term_printf("QEMU %s monitor - type 'help' for more information\n",
2566                         QEMU_VERSION);
2567     monitor_start_input();
2568 }
2569
2570 static int is_first_init = 1;
2571
2572 void monitor_init(CharDriverState *hd, int show_banner)
2573 {
2574     int i;
2575
2576     if (is_first_init) {
2577         for (i = 0; i < MAX_MON; i++) {
2578             monitor_hd[i] = NULL;
2579         }
2580         is_first_init = 0;
2581     }
2582     for (i = 0; i < MAX_MON; i++) {
2583         if (monitor_hd[i] == NULL) {
2584             monitor_hd[i] = hd;
2585             break;
2586         }
2587     }
2588
2589     hide_banner = !show_banner;
2590
2591     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2592
2593     readline_start("", 0, monitor_handle_command1, NULL);
2594 }
2595
2596 /* XXX: use threads ? */
2597 /* modal monitor readline */
2598 static int monitor_readline_started;
2599 static char *monitor_readline_buf;
2600 static int monitor_readline_buf_size;
2601
2602 static void monitor_readline_cb(void *opaque, const char *input)
2603 {
2604     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2605     monitor_readline_started = 0;
2606 }
2607
2608 void monitor_readline(const char *prompt, int is_password,
2609                       char *buf, int buf_size)
2610 {
2611     int i;
2612
2613     if (is_password) {
2614         for (i = 0; i < MAX_MON; i++)
2615             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2616                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2617     }
2618     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2619     monitor_readline_buf = buf;
2620     monitor_readline_buf_size = buf_size;
2621     monitor_readline_started = 1;
2622     while (monitor_readline_started) {
2623         main_loop_wait(10);
2624     }
2625 }