qemu/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 "migration.h"
  38 #include <dirent.h>
  39
  40 #include "qemu-kvm.h"
  41 #ifdef CONFIG_PROFILER
  42 #include "qemu-timer.h" /* for ticks_per_sec */
  43 #endif
  44
  45 //#define DEBUG
  46 //#define DEBUG_COMPLETION
  47
  48 #ifndef offsetof
  49 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  50 #endif
  51
  52 /*
  53  * Supported types:
  54  *
  55  * 'F'          filename
  56  * 'B'          block device name
  57  * 's'          string (accept optional quote)
  58  * 'i'          32 bit integer
  59  * 'l'          target long (32 or 64 bit)
  60  * '/'          optional gdb-like print format (like "/10x")
  61  *
  62  * '?'          optional type (for 'F', 's' and 'i')
  63  *
  64  */
  65
  66 typedef struct term_cmd_t {
  67     const char *name;
  68     const char *args_type;
  69     void (*handler)();
  70     const char *params;
  71     const char *help;
  72 } term_cmd_t;
  73
  74 #define MAX_MON 4
  75 static CharDriverState *monitor_hd[MAX_MON];
  76 static int hide_banner;
  77
  78 static term_cmd_t term_cmds[];
  79 static term_cmd_t info_cmds[];
  80
  81 static uint8_t term_outbuf[1024];
  82 static int term_outbuf_index;
  83
  84 static void monitor_start_input(void);
  85
  86 CPUState *mon_cpu = NULL;
  87
  88 void term_flush(void)
  89 {
  90     int i;
  91     if (term_outbuf_index > 0) {
  92         for (i = 0; i < MAX_MON; i++)
  93             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  94                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  95         term_outbuf_index = 0;
  96     }
  97 }
  98
  99 /* flush at every end of line or if the buffer is full */
 100 void term_puts(const char *str)
 101 {
 102     char c;
 103     for(;;) {
 104         c = *str++;
 105         if (c == '\0')
 106             break;
 107         if (c == '\n')
 108             term_outbuf[term_outbuf_index++] = '\r';
 109         term_outbuf[term_outbuf_index++] = c;
 110         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 111             c == '\n')
 112             term_flush();
 113     }
 114 }
 115
 116 void term_vprintf(const char *fmt, va_list ap)
 117 {
 118     char buf[4096];
 119     vsnprintf(buf, sizeof(buf), fmt, ap);
 120     term_puts(buf);
 121 }
 122
 123 void term_printf(const char *fmt, ...)
 124 {
 125     va_list ap;
 126     va_start(ap, fmt);
 127     term_vprintf(fmt, ap);
 128     va_end(ap);
 129 }
 130
 131 void term_print_filename(const char *filename)
 132 {
 133     int i;
 134
 135     for (i = 0; filename[i]; i++) {
 136         switch (filename[i]) {
 137         case ' ':
 138         case '"':
 139         case '\\':
 140             term_printf("\\%c", filename[i]);
 141             break;
 142         case '\t':
 143             term_printf("\\t");
 144             break;
 145         case '\r':
 146             term_printf("\\r");
 147             break;
 148         case '\n':
 149             term_printf("\\n");
 150             break;
 151         default:
 152             term_printf("%c", filename[i]);
 153             break;
 154         }
 155     }
 156 }
 157
 158 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 159 {
 160     va_list ap;
 161     va_start(ap, fmt);
 162     term_vprintf(fmt, ap);
 163     va_end(ap);
 164     return 0;
 165 }
 166
 167 static int compare_cmd(const char *name, const char *list)
 168 {
 169     const char *p, *pstart;
 170     int len;
 171     len = strlen(name);
 172     p = list;
 173     for(;;) {
 174         pstart = p;
 175         p = strchr(p, '|');
 176         if (!p)
 177             p = pstart + strlen(pstart);
 178         if ((p - pstart) == len && !memcmp(pstart, name, len))
 179             return 1;
 180         if (*p == '\0')
 181             break;
 182         p++;
 183     }
 184     return 0;
 185 }
 186
 187 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 188 {
 189     term_cmd_t *cmd;
 190
 191     for(cmd = cmds; cmd->name != NULL; cmd++) {
 192         if (!name || !strcmp(name, cmd->name))
 193             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 194     }
 195 }
 196
 197 static void help_cmd(const char *name)
 198 {
 199     if (name && !strcmp(name, "info")) {
 200         help_cmd1(info_cmds, "info ", NULL);
 201     } else {
 202         help_cmd1(term_cmds, "", name);
 203         if (name && !strcmp(name, "log")) {
 204             CPULogItem *item;
 205             term_printf("Log items (comma separated):\n");
 206             term_printf("%-10s %s\n", "none", "remove all logs");
 207             for(item = cpu_log_items; item->mask != 0; item++) {
 208                 term_printf("%-10s %s\n", item->name, item->help);
 209             }
 210         }
 211     }
 212 }
 213
 214 static void do_help(const char *name)
 215 {
 216     help_cmd(name);
 217 }
 218
 219 static void do_commit(const char *device)
 220 {
 221     int i, all_devices;
 222
 223     all_devices = !strcmp(device, "all");
 224     for (i = 0; i < nb_drives; i++) {
 225             if (all_devices ||
 226                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 227                 bdrv_commit(drives_table[i].bdrv);
 228     }
 229 }
 230
 231 static void do_info(const char *item)
 232 {
 233     term_cmd_t *cmd;
 234
 235     if (!item)
 236         goto help;
 237     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 238         if (compare_cmd(item, cmd->name))
 239             goto found;
 240     }
 241  help:
 242     help_cmd("info");
 243     return;
 244  found:
 245     cmd->handler();
 246 }
 247
 248 static void do_info_version(void)
 249 {
 250   term_printf("%s\n", QEMU_VERSION);
 251 }
 252
 253 static void do_info_name(void)
 254 {
 255     if (qemu_name)
 256         term_printf("%s\n", qemu_name);
 257 }
 258
 259 static void do_info_block(void)
 260 {
 261     bdrv_info();
 262 }
 263
 264 static void do_info_blockstats(void)
 265 {
 266     bdrv_info_stats();
 267 }
 268
 269 /* get the current CPU defined by the user */
 270 static int mon_set_cpu(int cpu_index)
 271 {
 272     CPUState *env;
 273
 274     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 275         if (env->cpu_index == cpu_index) {
 276             mon_cpu = env;
 277             return 0;
 278         }
 279     }
 280     return -1;
 281 }
 282
 283 static CPUState *mon_get_cpu(void)
 284 {
 285     if (!mon_cpu) {
 286         mon_set_cpu(0);
 287     }
 288
 289 #ifdef USE_KVM
 290     kvm_save_registers(mon_cpu);
 291 #endif
 292
 293     return mon_cpu;
 294 }
 295
 296 static void do_info_registers(void)
 297 {
 298     CPUState *env;
 299     env = mon_get_cpu();
 300     if (!env)
 301         return;
 302 #ifdef TARGET_I386
 303     cpu_dump_state(env, NULL, monitor_fprintf,
 304                    X86_DUMP_FPU);
 305 #else
 306     cpu_dump_state(env, NULL, monitor_fprintf,
 307                    0);
 308 #endif
 309 }
 310
 311 static void do_info_cpus(void)
 312 {
 313     CPUState *env;
 314
 315     /* just to set the default cpu if not already done */
 316     mon_get_cpu();
 317
 318     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 319         term_printf("%c CPU #%d:",
 320                     (env == mon_cpu) ? '*' : ' ',
 321                     env->cpu_index);
 322 #if defined(TARGET_I386)
 323         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 324         if (env->hflags & HF_HALTED_MASK)
 325             term_printf(" (halted)");
 326 #elif defined(TARGET_PPC)
 327         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 328         if (env->halted)
 329             term_printf(" (halted)");
 330 #elif defined(TARGET_SPARC)
 331         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 332         if (env->halted)
 333             term_printf(" (halted)");
 334 #elif defined(TARGET_MIPS)
 335         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 336         if (env->halted)
 337             term_printf(" (halted)");
 338 #endif
 339         term_printf("\n");
 340     }
 341 }
 342
 343 static void do_cpu_set(int index)
 344 {
 345     if (mon_set_cpu(index) < 0)
 346         term_printf("Invalid CPU index\n");
 347 }
 348
 349 static void do_info_jit(void)
 350 {
 351     dump_exec_info(NULL, monitor_fprintf);
 352 }
 353
 354 static void do_info_history (void)
 355 {
 356     int i;
 357     const char *str;
 358
 359     i = 0;
 360     for(;;) {
 361         str = readline_get_history(i);
 362         if (!str)
 363             break;
 364         term_printf("%d: '%s'\n", i, str);
 365         i++;
 366     }
 367 }
 368
 369 #if defined(TARGET_PPC)
 370 /* XXX: not implemented in other targets */
 371 static void do_info_cpu_stats (void)
 372 {
 373     CPUState *env;
 374
 375     env = mon_get_cpu();
 376     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 377 }
 378 #endif
 379
 380 static void do_quit(void)
 381 {
 382     exit(0);
 383 }
 384
 385 static int eject_device(BlockDriverState *bs, int force)
 386 {
 387     if (bdrv_is_inserted(bs)) {
 388         if (!force) {
 389             if (!bdrv_is_removable(bs)) {
 390                 term_printf("device is not removable\n");
 391                 return -1;
 392             }
 393             if (bdrv_is_locked(bs)) {
 394                 term_printf("device is locked\n");
 395                 return -1;
 396             }
 397         }
 398         bdrv_close(bs);
 399     }
 400     return 0;
 401 }
 402
 403 static void do_eject(int force, const char *filename)
 404 {
 405     BlockDriverState *bs;
 406
 407     bs = bdrv_find(filename);
 408     if (!bs) {
 409         term_printf("device not found\n");
 410         return;
 411     }
 412     eject_device(bs, force);
 413 }
 414
 415 static void do_change_block(const char *device, const char *filename)
 416 {
 417     BlockDriverState *bs;
 418
 419     bs = bdrv_find(device);
 420     if (!bs) {
 421         term_printf("device not found\n");
 422         return;
 423     }
 424     if (eject_device(bs, 0) < 0)
 425         return;
 426     bdrv_open(bs, filename, 0);
 427     qemu_key_check(bs, filename);
 428 }
 429
 430 static void do_change_vnc(const char *target)
 431 {
 432     if (strcmp(target, "passwd") == 0 ||
 433         strcmp(target, "password") == 0) {
 434         char password[9];
 435         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 436         password[sizeof(password)-1] = '\0';
 437         if (vnc_display_password(NULL, password) < 0)
 438             term_printf("could not set VNC server password\n");
 439     } else {
 440         if (vnc_display_open(NULL, target) < 0)
 441             term_printf("could not start VNC server on %s\n", target);
 442     }
 443 }
 444
 445 static void do_change(const char *device, const char *target)
 446 {
 447     if (strcmp(device, "vnc") == 0) {
 448         do_change_vnc(target);
 449     } else {
 450         do_change_block(device, target);
 451     }
 452 }
 453
 454 static void do_screen_dump(const char *filename)
 455 {
 456     vga_hw_screen_dump(filename);
 457 }
 458
 459 static void do_logfile(const char *filename)
 460 {
 461     cpu_set_log_filename(filename);
 462 }
 463
 464 static void do_log(const char *items)
 465 {
 466     int mask;
 467
 468     if (!strcmp(items, "none")) {
 469         mask = 0;
 470     } else {
 471         mask = cpu_str_to_log_mask(items);
 472         if (!mask) {
 473             help_cmd("log");
 474             return;
 475         }
 476     }
 477     cpu_set_log(mask);
 478 }
 479
 480 static void do_stop(void)
 481 {
 482     vm_stop(EXCP_INTERRUPT);
 483 }
 484
 485 static void do_cont(void)
 486 {
 487     vm_start();
 488 }
 489
 490 #ifdef CONFIG_GDBSTUB
 491 static void do_gdbserver(const char *port)
 492 {
 493     if (!port)
 494         port = DEFAULT_GDBSTUB_PORT;
 495     if (gdbserver_start(port) < 0) {
 496         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 497     } else {
 498         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 499     }
 500 }
 501 #endif
 502
 503 static void term_printc(int c)
 504 {
 505     term_printf("'");
 506     switch(c) {
 507     case '\'':
 508         term_printf("\\'");
 509         break;
 510     case '\\':
 511         term_printf("\\\\");
 512         break;
 513     case '\n':
 514         term_printf("\\n");
 515         break;
 516     case '\r':
 517         term_printf("\\r");
 518         break;
 519     default:
 520         if (c >= 32 && c <= 126) {
 521             term_printf("%c", c);
 522         } else {
 523             term_printf("\\x%02x", c);
 524         }
 525         break;
 526     }
 527     term_printf("'");
 528 }
 529
 530 static void memory_dump(int count, int format, int wsize,
 531                         target_phys_addr_t addr, int is_physical)
 532 {
 533     CPUState *env;
 534     int nb_per_line, l, line_size, i, max_digits, len;
 535     uint8_t buf[16];
 536     uint64_t v;
 537
 538     if (format == 'i') {
 539         int flags;
 540         flags = 0;
 541         env = mon_get_cpu();
 542         if (!env && !is_physical)
 543             return;
 544 #ifdef TARGET_I386
 545         if (wsize == 2) {
 546             flags = 1;
 547         } else if (wsize == 4) {
 548             flags = 0;
 549         } else {
 550             /* as default we use the current CS size */
 551             flags = 0;
 552             if (env) {
 553 #ifdef TARGET_X86_64
 554                 if ((env->efer & MSR_EFER_LMA) &&
 555                     (env->segs[R_CS].flags & DESC_L_MASK))
 556                     flags = 2;
 557                 else
 558 #endif
 559                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 560                     flags = 1;
 561             }
 562         }
 563 #endif
 564         monitor_disas(env, addr, count, is_physical, flags);
 565         return;
 566     }
 567
 568     len = wsize * count;
 569     if (wsize == 1)
 570         line_size = 8;
 571     else
 572         line_size = 16;
 573     nb_per_line = line_size / wsize;
 574     max_digits = 0;
 575
 576     switch(format) {
 577     case 'o':
 578         max_digits = (wsize * 8 + 2) / 3;
 579         break;
 580     default:
 581     case 'x':
 582         max_digits = (wsize * 8) / 4;
 583         break;
 584     case 'u':
 585     case 'd':
 586         max_digits = (wsize * 8 * 10 + 32) / 33;
 587         break;
 588     case 'c':
 589         wsize = 1;
 590         break;
 591     }
 592
 593     while (len > 0) {
 594         if (is_physical)
 595             term_printf(TARGET_FMT_plx ":", addr);
 596         else
 597             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 598         l = len;
 599         if (l > line_size)
 600             l = line_size;
 601         if (is_physical) {
 602             cpu_physical_memory_rw(addr, buf, l, 0);
 603         } else {
 604             env = mon_get_cpu();
 605             if (!env)
 606                 break;
 607             cpu_memory_rw_debug(env, addr, buf, l, 0);
 608         }
 609         i = 0;
 610         while (i < l) {
 611             switch(wsize) {
 612             default:
 613             case 1:
 614                 v = ldub_raw(buf + i);
 615                 break;
 616             case 2:
 617                 v = lduw_raw(buf + i);
 618                 break;
 619             case 4:
 620                 v = (uint32_t)ldl_raw(buf + i);
 621                 break;
 622             case 8:
 623                 v = ldq_raw(buf + i);
 624                 break;
 625             }
 626             term_printf(" ");
 627             switch(format) {
 628             case 'o':
 629                 term_printf("%#*" PRIo64, max_digits, v);
 630                 break;
 631             case 'x':
 632                 term_printf("0x%0*" PRIx64, max_digits, v);
 633                 break;
 634             case 'u':
 635                 term_printf("%*" PRIu64, max_digits, v);
 636                 break;
 637             case 'd':
 638                 term_printf("%*" PRId64, max_digits, v);
 639                 break;
 640             case 'c':
 641                 term_printc(v);
 642                 break;
 643             }
 644             i += wsize;
 645         }
 646         term_printf("\n");
 647         addr += l;
 648         len -= l;
 649     }
 650 }
 651
 652 #if TARGET_LONG_BITS == 64
 653 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 654 #else
 655 #define GET_TLONG(h, l) (l)
 656 #endif
 657
 658 static void do_memory_dump(int count, int format, int size,
 659                            uint32_t addrh, uint32_t addrl)
 660 {
 661     target_long addr = GET_TLONG(addrh, addrl);
 662     memory_dump(count, format, size, addr, 0);
 663 }
 664
 665 #if TARGET_PHYS_ADDR_BITS > 32
 666 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 667 #else
 668 #define GET_TPHYSADDR(h, l) (l)
 669 #endif
 670
 671 static void do_physical_memory_dump(int count, int format, int size,
 672                                     uint32_t addrh, uint32_t addrl)
 673
 674 {
 675     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 676     memory_dump(count, format, size, addr, 1);
 677 }
 678
 679 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 680 {
 681     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 682 #if TARGET_PHYS_ADDR_BITS == 32
 683     switch(format) {
 684     case 'o':
 685         term_printf("%#o", val);
 686         break;
 687     case 'x':
 688         term_printf("%#x", val);
 689         break;
 690     case 'u':
 691         term_printf("%u", val);
 692         break;
 693     default:
 694     case 'd':
 695         term_printf("%d", val);
 696         break;
 697     case 'c':
 698         term_printc(val);
 699         break;
 700     }
 701 #else
 702     switch(format) {
 703     case 'o':
 704         term_printf("%#" PRIo64, val);
 705         break;
 706     case 'x':
 707         term_printf("%#" PRIx64, val);
 708         break;
 709     case 'u':
 710         term_printf("%" PRIu64, val);
 711         break;
 712     default:
 713     case 'd':
 714         term_printf("%" PRId64, val);
 715         break;
 716     case 'c':
 717         term_printc(val);
 718         break;
 719     }
 720 #endif
 721     term_printf("\n");
 722 }
 723
 724 static void do_memory_save(unsigned int valh, unsigned int vall,
 725                            uint32_t size, const char *filename)
 726 {
 727     FILE *f;
 728     target_long addr = GET_TLONG(valh, vall);
 729     uint32_t l;
 730     CPUState *env;
 731     uint8_t buf[1024];
 732
 733     env = mon_get_cpu();
 734     if (!env)
 735         return;
 736
 737     f = fopen(filename, "wb");
 738     if (!f) {
 739         term_printf("could not open '%s'\n", filename);
 740         return;
 741     }
 742     while (size != 0) {
 743         l = sizeof(buf);
 744         if (l > size)
 745             l = size;
 746         cpu_memory_rw_debug(env, addr, buf, l, 0);
 747         fwrite(buf, 1, l, f);
 748         addr += l;
 749         size -= l;
 750     }
 751     fclose(f);
 752 }
 753
 754 static void do_sum(uint32_t start, uint32_t size)
 755 {
 756     uint32_t addr;
 757     uint8_t buf[1];
 758     uint16_t sum;
 759
 760     sum = 0;
 761     for(addr = start; addr < (start + size); addr++) {
 762         cpu_physical_memory_rw(addr, buf, 1, 0);
 763         /* BSD sum algorithm ('sum' Unix command) */
 764         sum = (sum >> 1) | (sum << 15);
 765         sum += buf[0];
 766     }
 767     term_printf("%05d\n", sum);
 768 }
 769
 770 typedef struct {
 771     int keycode;
 772     const char *name;
 773 } KeyDef;
 774
 775 static const KeyDef key_defs[] = {
 776     { 0x2a, "shift" },
 777     { 0x36, "shift_r" },
 778
 779     { 0x38, "alt" },
 780     { 0xb8, "alt_r" },
 781     { 0x1d, "ctrl" },
 782     { 0x9d, "ctrl_r" },
 783
 784     { 0xdd, "menu" },
 785
 786     { 0x01, "esc" },
 787
 788     { 0x02, "1" },
 789     { 0x03, "2" },
 790     { 0x04, "3" },
 791     { 0x05, "4" },
 792     { 0x06, "5" },
 793     { 0x07, "6" },
 794     { 0x08, "7" },
 795     { 0x09, "8" },
 796     { 0x0a, "9" },
 797     { 0x0b, "0" },
 798     { 0x0c, "minus" },
 799     { 0x0d, "equal" },
 800     { 0x0e, "backspace" },
 801
 802     { 0x0f, "tab" },
 803     { 0x10, "q" },
 804     { 0x11, "w" },
 805     { 0x12, "e" },
 806     { 0x13, "r" },
 807     { 0x14, "t" },
 808     { 0x15, "y" },
 809     { 0x16, "u" },
 810     { 0x17, "i" },
 811     { 0x18, "o" },
 812     { 0x19, "p" },
 813
 814     { 0x1c, "ret" },
 815
 816     { 0x1e, "a" },
 817     { 0x1f, "s" },
 818     { 0x20, "d" },
 819     { 0x21, "f" },
 820     { 0x22, "g" },
 821     { 0x23, "h" },
 822     { 0x24, "j" },
 823     { 0x25, "k" },
 824     { 0x26, "l" },
 825
 826     { 0x2c, "z" },
 827     { 0x2d, "x" },
 828     { 0x2e, "c" },
 829     { 0x2f, "v" },
 830     { 0x30, "b" },
 831     { 0x31, "n" },
 832     { 0x32, "m" },
 833
 834     { 0x39, "spc" },
 835     { 0x3a, "caps_lock" },
 836     { 0x3b, "f1" },
 837     { 0x3c, "f2" },
 838     { 0x3d, "f3" },
 839     { 0x3e, "f4" },
 840     { 0x3f, "f5" },
 841     { 0x40, "f6" },
 842     { 0x41, "f7" },
 843     { 0x42, "f8" },
 844     { 0x43, "f9" },
 845     { 0x44, "f10" },
 846     { 0x45, "num_lock" },
 847     { 0x46, "scroll_lock" },
 848
 849     { 0xb5, "kp_divide" },
 850     { 0x37, "kp_multiply" },
 851     { 0x4a, "kp_subtract" },
 852     { 0x4e, "kp_add" },
 853     { 0x9c, "kp_enter" },
 854     { 0x53, "kp_decimal" },
 855
 856     { 0x52, "kp_0" },
 857     { 0x4f, "kp_1" },
 858     { 0x50, "kp_2" },
 859     { 0x51, "kp_3" },
 860     { 0x4b, "kp_4" },
 861     { 0x4c, "kp_5" },
 862     { 0x4d, "kp_6" },
 863     { 0x47, "kp_7" },
 864     { 0x48, "kp_8" },
 865     { 0x49, "kp_9" },
 866
 867     { 0x56, "<" },
 868
 869     { 0x57, "f11" },
 870     { 0x58, "f12" },
 871
 872     { 0xb7, "print" },
 873
 874     { 0xc7, "home" },
 875     { 0xc9, "pgup" },
 876     { 0xd1, "pgdn" },
 877     { 0xcf, "end" },
 878
 879     { 0xcb, "left" },
 880     { 0xc8, "up" },
 881     { 0xd0, "down" },
 882     { 0xcd, "right" },
 883
 884     { 0xd2, "insert" },
 885     { 0xd3, "delete" },
 886     { 0, NULL },
 887 };
 888
 889 static int get_keycode(const char *key)
 890 {
 891     const KeyDef *p;
 892     char *endp;
 893     int ret;
 894
 895     for(p = key_defs; p->name != NULL; p++) {
 896         if (!strcmp(key, p->name))
 897             return p->keycode;
 898     }
 899     if (strstart(key, "0x", NULL)) {
 900         ret = strtoul(key, &endp, 0);
 901         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 902             return ret;
 903     }
 904     return -1;
 905 }
 906
 907 static void do_send_key(const char *string)
 908 {
 909     char keybuf[16], *q;
 910     uint8_t keycodes[16];
 911     const char *p;
 912     int nb_keycodes, keycode, i;
 913
 914     nb_keycodes = 0;
 915     p = string;
 916     while (*p != '\0') {
 917         q = keybuf;
 918         while (*p != '\0' && *p != '-') {
 919             if ((q - keybuf) < sizeof(keybuf) - 1) {
 920                 *q++ = *p;
 921             }
 922             p++;
 923         }
 924         *q = '\0';
 925         keycode = get_keycode(keybuf);
 926         if (keycode < 0) {
 927             term_printf("unknown key: '%s'\n", keybuf);
 928             return;
 929         }
 930         keycodes[nb_keycodes++] = keycode;
 931         if (*p == '\0')
 932             break;
 933         p++;
 934     }
 935     /* key down events */
 936     for(i = 0; i < nb_keycodes; i++) {
 937         keycode = keycodes[i];
 938         if (keycode & 0x80)
 939             kbd_put_keycode(0xe0);
 940         kbd_put_keycode(keycode & 0x7f);
 941     }
 942     /* key up events */
 943     for(i = nb_keycodes - 1; i >= 0; i--) {
 944         keycode = keycodes[i];
 945         if (keycode & 0x80)
 946             kbd_put_keycode(0xe0);
 947         kbd_put_keycode(keycode | 0x80);
 948     }
 949 }
 950
 951 static int mouse_button_state;
 952
 953 static void do_mouse_move(const char *dx_str, const char *dy_str,
 954                           const char *dz_str)
 955 {
 956     int dx, dy, dz;
 957     dx = strtol(dx_str, NULL, 0);
 958     dy = strtol(dy_str, NULL, 0);
 959     dz = 0;
 960     if (dz_str)
 961         dz = strtol(dz_str, NULL, 0);
 962     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 963 }
 964
 965 static void do_mouse_button(int button_state)
 966 {
 967     mouse_button_state = button_state;
 968     kbd_mouse_event(0, 0, 0, mouse_button_state);
 969 }
 970
 971 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 972 {
 973     uint32_t val;
 974     int suffix;
 975
 976     if (has_index) {
 977         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 978         addr++;
 979     }
 980     addr &= 0xffff;
 981
 982     switch(size) {
 983     default:
 984     case 1:
 985         val = cpu_inb(NULL, addr);
 986         suffix = 'b';
 987         break;
 988     case 2:
 989         val = cpu_inw(NULL, addr);
 990         suffix = 'w';
 991         break;
 992     case 4:
 993         val = cpu_inl(NULL, addr);
 994         suffix = 'l';
 995         break;
 996     }
 997     term_printf("port%c[0x%04x] = %#0*x\n",
 998                 suffix, addr, size * 2, val);
 999 }
1000
1001 static void do_system_reset(void)
1002 {
1003     qemu_system_reset_request();
1004 }
1005
1006 static void do_system_powerdown(void)
1007 {
1008     qemu_system_powerdown_request();
1009 }
1010
1011 #if defined(TARGET_I386)
1012 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1013 {
1014     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1015                 addr,
1016                 pte & mask,
1017                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1018                 pte & PG_PSE_MASK ? 'P' : '-',
1019                 pte & PG_DIRTY_MASK ? 'D' : '-',
1020                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1021                 pte & PG_PCD_MASK ? 'C' : '-',
1022                 pte & PG_PWT_MASK ? 'T' : '-',
1023                 pte & PG_USER_MASK ? 'U' : '-',
1024                 pte & PG_RW_MASK ? 'W' : '-');
1025 }
1026
1027 static void tlb_info(void)
1028 {
1029     CPUState *env;
1030     int l1, l2;
1031     uint32_t pgd, pde, pte;
1032
1033     env = mon_get_cpu();
1034     if (!env)
1035         return;
1036
1037     if (!(env->cr[0] & CR0_PG_MASK)) {
1038         term_printf("PG disabled\n");
1039         return;
1040     }
1041     pgd = env->cr[3] & ~0xfff;
1042     for(l1 = 0; l1 < 1024; l1++) {
1043         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1044         pde = le32_to_cpu(pde);
1045         if (pde & PG_PRESENT_MASK) {
1046             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1047                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1048             } else {
1049                 for(l2 = 0; l2 < 1024; l2++) {
1050                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1051                                              (uint8_t *)&pte, 4);
1052                     pte = le32_to_cpu(pte);
1053                     if (pte & PG_PRESENT_MASK) {
1054                         print_pte((l1 << 22) + (l2 << 12),
1055                                   pte & ~PG_PSE_MASK,
1056                                   ~0xfff);
1057                     }
1058                 }
1059             }
1060         }
1061     }
1062 }
1063
1064 static void mem_print(uint32_t *pstart, int *plast_prot,
1065                       uint32_t end, int prot)
1066 {
1067     int prot1;
1068     prot1 = *plast_prot;
1069     if (prot != prot1) {
1070         if (*pstart != -1) {
1071             term_printf("%08x-%08x %08x %c%c%c\n",
1072                         *pstart, end, end - *pstart,
1073                         prot1 & PG_USER_MASK ? 'u' : '-',
1074                         'r',
1075                         prot1 & PG_RW_MASK ? 'w' : '-');
1076         }
1077         if (prot != 0)
1078             *pstart = end;
1079         else
1080             *pstart = -1;
1081         *plast_prot = prot;
1082     }
1083 }
1084
1085 static void mem_info(void)
1086 {
1087     CPUState *env;
1088     int l1, l2, prot, last_prot;
1089     uint32_t pgd, pde, pte, start, end;
1090
1091     env = mon_get_cpu();
1092     if (!env)
1093         return;
1094
1095     if (!(env->cr[0] & CR0_PG_MASK)) {
1096         term_printf("PG disabled\n");
1097         return;
1098     }
1099     pgd = env->cr[3] & ~0xfff;
1100     last_prot = 0;
1101     start = -1;
1102     for(l1 = 0; l1 < 1024; l1++) {
1103         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1104         pde = le32_to_cpu(pde);
1105         end = l1 << 22;
1106         if (pde & PG_PRESENT_MASK) {
1107             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1108                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1109                 mem_print(&start, &last_prot, end, prot);
1110             } else {
1111                 for(l2 = 0; l2 < 1024; l2++) {
1112                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1113                                              (uint8_t *)&pte, 4);
1114                     pte = le32_to_cpu(pte);
1115                     end = (l1 << 22) + (l2 << 12);
1116                     if (pte & PG_PRESENT_MASK) {
1117                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1118                     } else {
1119                         prot = 0;
1120                     }
1121                     mem_print(&start, &last_prot, end, prot);
1122                 }
1123             }
1124         } else {
1125             prot = 0;
1126             mem_print(&start, &last_prot, end, prot);
1127         }
1128     }
1129 }
1130 #endif
1131
1132 static void do_info_kqemu(void)
1133 {
1134 #ifdef USE_KQEMU
1135     CPUState *env;
1136     int val;
1137     val = 0;
1138     env = mon_get_cpu();
1139     if (!env) {
1140         term_printf("No cpu initialized yet");
1141         return;
1142     }
1143     val = env->kqemu_enabled;
1144     term_printf("kqemu support: ");
1145     switch(val) {
1146     default:
1147     case 0:
1148         term_printf("disabled\n");
1149         break;
1150     case 1:
1151         term_printf("enabled for user code\n");
1152         break;
1153     case 2:
1154         term_printf("enabled for user and kernel code\n");
1155         break;
1156     }
1157 #else
1158     term_printf("kqemu support: not compiled\n");
1159 #endif
1160 }
1161
1162 #ifdef CONFIG_PROFILER
1163
1164 int64_t kqemu_time;
1165 int64_t qemu_time;
1166 int64_t kqemu_exec_count;
1167 int64_t dev_time;
1168 int64_t kqemu_ret_int_count;
1169 int64_t kqemu_ret_excp_count;
1170 int64_t kqemu_ret_intr_count;
1171
1172 static void do_info_profile(void)
1173 {
1174     int64_t total;
1175     total = qemu_time;
1176     if (total == 0)
1177         total = 1;
1178     term_printf("async time  %" PRId64 " (%0.3f)\n",
1179                 dev_time, dev_time / (double)ticks_per_sec);
1180     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1181                 qemu_time, qemu_time / (double)ticks_per_sec);
1182     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1183                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1184                 kqemu_time / (double)total * 100.0,
1185                 kqemu_exec_count,
1186                 kqemu_ret_int_count,
1187                 kqemu_ret_excp_count,
1188                 kqemu_ret_intr_count);
1189     qemu_time = 0;
1190     kqemu_time = 0;
1191     kqemu_exec_count = 0;
1192     dev_time = 0;
1193     kqemu_ret_int_count = 0;
1194     kqemu_ret_excp_count = 0;
1195     kqemu_ret_intr_count = 0;
1196 #ifdef USE_KQEMU
1197     kqemu_record_dump();
1198 #endif
1199 }
1200 #else
1201 static void do_info_profile(void)
1202 {
1203     term_printf("Internal profiler not compiled\n");
1204 }
1205 #endif
1206
1207 /* Capture support */
1208 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1209
1210 static void do_info_capture (void)
1211 {
1212     int i;
1213     CaptureState *s;
1214
1215     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1216         term_printf ("[%d]: ", i);
1217         s->ops.info (s->opaque);
1218     }
1219 }
1220
1221 static void do_stop_capture (int n)
1222 {
1223     int i;
1224     CaptureState *s;
1225
1226     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1227         if (i == n) {
1228             s->ops.destroy (s->opaque);
1229             LIST_REMOVE (s, entries);
1230             qemu_free (s);
1231             return;
1232         }
1233     }
1234 }
1235
1236 #ifdef HAS_AUDIO
1237 int wav_start_capture (CaptureState *s, const char *path, int freq,
1238                        int bits, int nchannels);
1239
1240 static void do_wav_capture (const char *path,
1241                             int has_freq, int freq,
1242                             int has_bits, int bits,
1243                             int has_channels, int nchannels)
1244 {
1245     CaptureState *s;
1246
1247     s = qemu_mallocz (sizeof (*s));
1248     if (!s) {
1249         term_printf ("Not enough memory to add wave capture\n");
1250         return;
1251     }
1252
1253     freq = has_freq ? freq : 44100;
1254     bits = has_bits ? bits : 16;
1255     nchannels = has_channels ? nchannels : 2;
1256
1257     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1258         term_printf ("Faied to add wave capture\n");
1259         qemu_free (s);
1260     }
1261     LIST_INSERT_HEAD (&capture_head, s, entries);
1262 }
1263 #endif
1264
1265 static term_cmd_t term_cmds[] = {
1266     { "help|?", "s?", do_help,
1267       "[cmd]", "show the help" },
1268     { "commit", "s", do_commit,
1269       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1270     { "info", "s?", do_info,
1271       "subcommand", "show various information about the system state" },
1272     { "q|quit", "", do_quit,
1273       "", "quit the emulator" },
1274     { "eject", "-fB", do_eject,
1275       "[-f] device", "eject a removable medium (use -f to force it)" },
1276     { "change", "BF", do_change,
1277       "device filename", "change a removable medium" },
1278     { "screendump", "F", do_screen_dump,
1279       "filename", "save screen into PPM image 'filename'" },
1280     { "logfile", "s", do_logfile,
1281       "filename", "output logs to 'filename'" },
1282     { "log", "s", do_log,
1283       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1284     { "savevm", "s?", do_savevm,
1285       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1286     { "loadvm", "s", do_loadvm,
1287       "tag|id", "restore a VM snapshot from its tag or id" },
1288     { "delvm", "s", do_delvm,
1289       "tag|id", "delete a VM snapshot from its tag or id" },
1290     { "stop", "", do_stop,
1291       "", "stop emulation", },
1292     { "c|cont", "", do_cont,
1293       "", "resume emulation", },
1294 #ifdef CONFIG_GDBSTUB
1295     { "gdbserver", "s?", do_gdbserver,
1296       "[port]", "start gdbserver session (default port=1234)", },
1297 #endif
1298     { "x", "/l", do_memory_dump,
1299       "/fmt addr", "virtual memory dump starting at 'addr'", },
1300     { "xp", "/l", do_physical_memory_dump,
1301       "/fmt addr", "physical memory dump starting at 'addr'", },
1302     { "p|print", "/l", do_print,
1303       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1304     { "i", "/ii.", do_ioport_read,
1305       "/fmt addr", "I/O port read" },
1306
1307     { "sendkey", "s", do_send_key,
1308       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1309     { "system_reset", "", do_system_reset,
1310       "", "reset the system" },
1311     { "system_powerdown", "", do_system_powerdown,
1312       "", "send system power down event" },
1313     { "sum", "ii", do_sum,
1314       "addr size", "compute the checksum of a memory region" },
1315     { "usb_add", "s", do_usb_add,
1316       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1317     { "usb_del", "s", do_usb_del,
1318       "device", "remove USB device 'bus.addr'" },
1319     { "cpu", "i", do_cpu_set,
1320       "index", "set the default CPU" },
1321     { "mouse_move", "sss?", do_mouse_move,
1322       "dx dy [dz]", "send mouse move events" },
1323     { "mouse_button", "i", do_mouse_button,
1324       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1325     { "mouse_set", "i", do_mouse_set,
1326       "index", "set which mouse device receives events" },
1327 #ifdef HAS_AUDIO
1328     { "wavcapture", "si?i?i?", do_wav_capture,
1329       "path [frequency bits channels]",
1330       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1331 #endif
1332      { "stopcapture", "i", do_stop_capture,
1333        "capture index", "stop capture" },
1334     { "memsave", "lis", do_memory_save,
1335       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1336     { "migrate", "-ds", do_migrate,
1337       "[-d] command", "migrate the VM using command (use -d to not wait for command to complete)" },
1338     { "migrate_cancel", "", do_migrate_cancel,
1339       "", "cancel the current VM migration" },
1340     { "migrate_set_speed", "s", do_migrate_set_speed,
1341       "value", "set maximum speed (in bytes) for migrations" },
1342     { NULL, NULL, },
1343 };
1344
1345 static term_cmd_t info_cmds[] = {
1346     { "version", "", do_info_version,
1347       "", "show the version of qemu" },
1348     { "network", "", do_info_network,
1349       "", "show the network state" },
1350     { "block", "", do_info_block,
1351       "", "show the block devices" },
1352     { "blockstats", "", do_info_blockstats,
1353       "", "show block device statistics" },
1354     { "registers", "", do_info_registers,
1355       "", "show the cpu registers" },
1356     { "cpus", "", do_info_cpus,
1357       "", "show infos for each CPU" },
1358     { "history", "", do_info_history,
1359       "", "show the command line history", },
1360     { "irq", "", irq_info,
1361       "", "show the interrupts statistics (if available)", },
1362     { "pic", "", pic_info,
1363       "", "show i8259 (PIC) state", },
1364     { "pci", "", pci_info,
1365       "", "show PCI info", },
1366 #if defined(TARGET_I386)
1367     { "tlb", "", tlb_info,
1368       "", "show virtual to physical memory mappings", },
1369     { "mem", "", mem_info,
1370       "", "show the active virtual memory mappings", },
1371 #endif
1372     { "jit", "", do_info_jit,
1373       "", "show dynamic compiler info", },
1374     { "kqemu", "", do_info_kqemu,
1375       "", "show kqemu information", },
1376     { "usb", "", usb_info,
1377       "", "show guest USB devices", },
1378     { "usbhost", "", usb_host_info,
1379       "", "show host USB devices", },
1380     { "profile", "", do_info_profile,
1381       "", "show profiling information", },
1382     { "capture", "", do_info_capture,
1383       "", "show capture information" },
1384     { "snapshots", "", do_info_snapshots,
1385       "", "show the currently saved VM snapshots" },
1386     { "pcmcia", "", pcmcia_info,
1387       "", "show guest PCMCIA status" },
1388     { "mice", "", do_info_mice,
1389       "", "show which guest mouse is receiving events" },
1390     { "vnc", "", do_info_vnc,
1391       "", "show the vnc server status"},
1392     { "name", "", do_info_name,
1393       "", "show the current VM name" },
1394 #if defined(TARGET_PPC)
1395     { "cpustats", "", do_info_cpu_stats,
1396       "", "show CPU statistics", },
1397 #endif
1398 #if defined(CONFIG_SLIRP)
1399     { "slirp", "", do_info_slirp,
1400       "", "show SLIRP statistics", },
1401 #endif
1402     { "migration", "", do_info_migration,
1403       "", "show migration information" },
1404     { NULL, NULL, },
1405 };
1406
1407 /*******************************************************************/
1408
1409 static const char *pch;
1410 static jmp_buf expr_env;
1411
1412 #define MD_TLONG 0
1413 #define MD_I32   1
1414
1415 typedef struct MonitorDef {
1416     const char *name;
1417     int offset;
1418     target_long (*get_value)(struct MonitorDef *md, int val);
1419     int type;
1420 } MonitorDef;
1421
1422 #if defined(TARGET_I386)
1423 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1424 {
1425     CPUState *env = mon_get_cpu();
1426     if (!env)
1427         return 0;
1428     return env->eip + env->segs[R_CS].base;
1429 }
1430 #endif
1431
1432 #if defined(TARGET_PPC)
1433 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1434 {
1435     CPUState *env = mon_get_cpu();
1436     unsigned int u;
1437     int i;
1438
1439     if (!env)
1440         return 0;
1441
1442     u = 0;
1443     for (i = 0; i < 8; i++)
1444         u |= env->crf[i] << (32 - (4 * i));
1445
1446     return u;
1447 }
1448
1449 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1450 {
1451     CPUState *env = mon_get_cpu();
1452     if (!env)
1453         return 0;
1454     return env->msr;
1455 }
1456
1457 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1458 {
1459     CPUState *env = mon_get_cpu();
1460     if (!env)
1461         return 0;
1462     return ppc_load_xer(env);
1463 }
1464
1465 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1466 {
1467     CPUState *env = mon_get_cpu();
1468     if (!env)
1469         return 0;
1470     return cpu_ppc_load_decr(env);
1471 }
1472
1473 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1474 {
1475     CPUState *env = mon_get_cpu();
1476     if (!env)
1477         return 0;
1478     return cpu_ppc_load_tbu(env);
1479 }
1480
1481 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1482 {
1483     CPUState *env = mon_get_cpu();
1484     if (!env)
1485         return 0;
1486     return cpu_ppc_load_tbl(env);
1487 }
1488 #endif
1489
1490 #if defined(TARGET_SPARC)
1491 #ifndef TARGET_SPARC64
1492 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1493 {
1494     CPUState *env = mon_get_cpu();
1495     if (!env)
1496         return 0;
1497     return GET_PSR(env);
1498 }
1499 #endif
1500
1501 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1502 {
1503     CPUState *env = mon_get_cpu();
1504     if (!env)
1505         return 0;
1506     return env->regwptr[val];
1507 }
1508 #endif
1509
1510 static MonitorDef monitor_defs[] = {
1511 #ifdef TARGET_I386
1512
1513 #define SEG(name, seg) \
1514     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1515     { name ".base", offsetof(CPUState, segs[seg].base) },\
1516     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1517
1518     { "eax", offsetof(CPUState, regs[0]) },
1519     { "ecx", offsetof(CPUState, regs[1]) },
1520     { "edx", offsetof(CPUState, regs[2]) },
1521     { "ebx", offsetof(CPUState, regs[3]) },
1522     { "esp|sp", offsetof(CPUState, regs[4]) },
1523     { "ebp|fp", offsetof(CPUState, regs[5]) },
1524     { "esi", offsetof(CPUState, regs[6]) },
1525     { "edi", offsetof(CPUState, regs[7]) },
1526 #ifdef TARGET_X86_64
1527     { "r8", offsetof(CPUState, regs[8]) },
1528     { "r9", offsetof(CPUState, regs[9]) },
1529     { "r10", offsetof(CPUState, regs[10]) },
1530     { "r11", offsetof(CPUState, regs[11]) },
1531     { "r12", offsetof(CPUState, regs[12]) },
1532     { "r13", offsetof(CPUState, regs[13]) },
1533     { "r14", offsetof(CPUState, regs[14]) },
1534     { "r15", offsetof(CPUState, regs[15]) },
1535 #endif
1536     { "eflags", offsetof(CPUState, eflags) },
1537     { "eip", offsetof(CPUState, eip) },
1538     SEG("cs", R_CS)
1539     SEG("ds", R_DS)
1540     SEG("es", R_ES)
1541     SEG("ss", R_SS)
1542     SEG("fs", R_FS)
1543     SEG("gs", R_GS)
1544     { "pc", 0, monitor_get_pc, },
1545 #elif defined(TARGET_PPC)
1546     /* General purpose registers */
1547     { "r0", offsetof(CPUState, gpr[0]) },
1548     { "r1", offsetof(CPUState, gpr[1]) },
1549     { "r2", offsetof(CPUState, gpr[2]) },
1550     { "r3", offsetof(CPUState, gpr[3]) },
1551     { "r4", offsetof(CPUState, gpr[4]) },
1552     { "r5", offsetof(CPUState, gpr[5]) },
1553     { "r6", offsetof(CPUState, gpr[6]) },
1554     { "r7", offsetof(CPUState, gpr[7]) },
1555     { "r8", offsetof(CPUState, gpr[8]) },
1556     { "r9", offsetof(CPUState, gpr[9]) },
1557     { "r10", offsetof(CPUState, gpr[10]) },
1558     { "r11", offsetof(CPUState, gpr[11]) },
1559     { "r12", offsetof(CPUState, gpr[12]) },
1560     { "r13", offsetof(CPUState, gpr[13]) },
1561     { "r14", offsetof(CPUState, gpr[14]) },
1562     { "r15", offsetof(CPUState, gpr[15]) },
1563     { "r16", offsetof(CPUState, gpr[16]) },
1564     { "r17", offsetof(CPUState, gpr[17]) },
1565     { "r18", offsetof(CPUState, gpr[18]) },
1566     { "r19", offsetof(CPUState, gpr[19]) },
1567     { "r20", offsetof(CPUState, gpr[20]) },
1568     { "r21", offsetof(CPUState, gpr[21]) },
1569     { "r22", offsetof(CPUState, gpr[22]) },
1570     { "r23", offsetof(CPUState, gpr[23]) },
1571     { "r24", offsetof(CPUState, gpr[24]) },
1572     { "r25", offsetof(CPUState, gpr[25]) },
1573     { "r26", offsetof(CPUState, gpr[26]) },
1574     { "r27", offsetof(CPUState, gpr[27]) },
1575     { "r28", offsetof(CPUState, gpr[28]) },
1576     { "r29", offsetof(CPUState, gpr[29]) },
1577     { "r30", offsetof(CPUState, gpr[30]) },
1578     { "r31", offsetof(CPUState, gpr[31]) },
1579     /* Floating point registers */
1580     { "f0", offsetof(CPUState, fpr[0]) },
1581     { "f1", offsetof(CPUState, fpr[1]) },
1582     { "f2", offsetof(CPUState, fpr[2]) },
1583     { "f3", offsetof(CPUState, fpr[3]) },
1584     { "f4", offsetof(CPUState, fpr[4]) },
1585     { "f5", offsetof(CPUState, fpr[5]) },
1586     { "f6", offsetof(CPUState, fpr[6]) },
1587     { "f7", offsetof(CPUState, fpr[7]) },
1588     { "f8", offsetof(CPUState, fpr[8]) },
1589     { "f9", offsetof(CPUState, fpr[9]) },
1590     { "f10", offsetof(CPUState, fpr[10]) },
1591     { "f11", offsetof(CPUState, fpr[11]) },
1592     { "f12", offsetof(CPUState, fpr[12]) },
1593     { "f13", offsetof(CPUState, fpr[13]) },
1594     { "f14", offsetof(CPUState, fpr[14]) },
1595     { "f15", offsetof(CPUState, fpr[15]) },
1596     { "f16", offsetof(CPUState, fpr[16]) },
1597     { "f17", offsetof(CPUState, fpr[17]) },
1598     { "f18", offsetof(CPUState, fpr[18]) },
1599     { "f19", offsetof(CPUState, fpr[19]) },
1600     { "f20", offsetof(CPUState, fpr[20]) },
1601     { "f21", offsetof(CPUState, fpr[21]) },
1602     { "f22", offsetof(CPUState, fpr[22]) },
1603     { "f23", offsetof(CPUState, fpr[23]) },
1604     { "f24", offsetof(CPUState, fpr[24]) },
1605     { "f25", offsetof(CPUState, fpr[25]) },
1606     { "f26", offsetof(CPUState, fpr[26]) },
1607     { "f27", offsetof(CPUState, fpr[27]) },
1608     { "f28", offsetof(CPUState, fpr[28]) },
1609     { "f29", offsetof(CPUState, fpr[29]) },
1610     { "f30", offsetof(CPUState, fpr[30]) },
1611     { "f31", offsetof(CPUState, fpr[31]) },
1612     { "fpscr", offsetof(CPUState, fpscr) },
1613     /* Next instruction pointer */
1614     { "nip|pc", offsetof(CPUState, nip) },
1615     { "lr", offsetof(CPUState, lr) },
1616     { "ctr", offsetof(CPUState, ctr) },
1617     { "decr", 0, &monitor_get_decr, },
1618     { "ccr", 0, &monitor_get_ccr, },
1619     /* Machine state register */
1620     { "msr", 0, &monitor_get_msr, },
1621     { "xer", 0, &monitor_get_xer, },
1622     { "tbu", 0, &monitor_get_tbu, },
1623     { "tbl", 0, &monitor_get_tbl, },
1624 #if defined(TARGET_PPC64)
1625     /* Address space register */
1626     { "asr", offsetof(CPUState, asr) },
1627 #endif
1628     /* Segment registers */
1629     { "sdr1", offsetof(CPUState, sdr1) },
1630     { "sr0", offsetof(CPUState, sr[0]) },
1631     { "sr1", offsetof(CPUState, sr[1]) },
1632     { "sr2", offsetof(CPUState, sr[2]) },
1633     { "sr3", offsetof(CPUState, sr[3]) },
1634     { "sr4", offsetof(CPUState, sr[4]) },
1635     { "sr5", offsetof(CPUState, sr[5]) },
1636     { "sr6", offsetof(CPUState, sr[6]) },
1637     { "sr7", offsetof(CPUState, sr[7]) },
1638     { "sr8", offsetof(CPUState, sr[8]) },
1639     { "sr9", offsetof(CPUState, sr[9]) },
1640     { "sr10", offsetof(CPUState, sr[10]) },
1641     { "sr11", offsetof(CPUState, sr[11]) },
1642     { "sr12", offsetof(CPUState, sr[12]) },
1643     { "sr13", offsetof(CPUState, sr[13]) },
1644     { "sr14", offsetof(CPUState, sr[14]) },
1645     { "sr15", offsetof(CPUState, sr[15]) },
1646     /* Too lazy to put BATs and SPRs ... */
1647 #elif defined(TARGET_SPARC)
1648     { "g0", offsetof(CPUState, gregs[0]) },
1649     { "g1", offsetof(CPUState, gregs[1]) },
1650     { "g2", offsetof(CPUState, gregs[2]) },
1651     { "g3", offsetof(CPUState, gregs[3]) },
1652     { "g4", offsetof(CPUState, gregs[4]) },
1653     { "g5", offsetof(CPUState, gregs[5]) },
1654     { "g6", offsetof(CPUState, gregs[6]) },
1655     { "g7", offsetof(CPUState, gregs[7]) },
1656     { "o0", 0, monitor_get_reg },
1657     { "o1", 1, monitor_get_reg },
1658     { "o2", 2, monitor_get_reg },
1659     { "o3", 3, monitor_get_reg },
1660     { "o4", 4, monitor_get_reg },
1661     { "o5", 5, monitor_get_reg },
1662     { "o6", 6, monitor_get_reg },
1663     { "o7", 7, monitor_get_reg },
1664     { "l0", 8, monitor_get_reg },
1665     { "l1", 9, monitor_get_reg },
1666     { "l2", 10, monitor_get_reg },
1667     { "l3", 11, monitor_get_reg },
1668     { "l4", 12, monitor_get_reg },
1669     { "l5", 13, monitor_get_reg },
1670     { "l6", 14, monitor_get_reg },
1671     { "l7", 15, monitor_get_reg },
1672     { "i0", 16, monitor_get_reg },
1673     { "i1", 17, monitor_get_reg },
1674     { "i2", 18, monitor_get_reg },
1675     { "i3", 19, monitor_get_reg },
1676     { "i4", 20, monitor_get_reg },
1677     { "i5", 21, monitor_get_reg },
1678     { "i6", 22, monitor_get_reg },
1679     { "i7", 23, monitor_get_reg },
1680     { "pc", offsetof(CPUState, pc) },
1681     { "npc", offsetof(CPUState, npc) },
1682     { "y", offsetof(CPUState, y) },
1683 #ifndef TARGET_SPARC64
1684     { "psr", 0, &monitor_get_psr, },
1685     { "wim", offsetof(CPUState, wim) },
1686 #endif
1687     { "tbr", offsetof(CPUState, tbr) },
1688     { "fsr", offsetof(CPUState, fsr) },
1689     { "f0", offsetof(CPUState, fpr[0]) },
1690     { "f1", offsetof(CPUState, fpr[1]) },
1691     { "f2", offsetof(CPUState, fpr[2]) },
1692     { "f3", offsetof(CPUState, fpr[3]) },
1693     { "f4", offsetof(CPUState, fpr[4]) },
1694     { "f5", offsetof(CPUState, fpr[5]) },
1695     { "f6", offsetof(CPUState, fpr[6]) },
1696     { "f7", offsetof(CPUState, fpr[7]) },
1697     { "f8", offsetof(CPUState, fpr[8]) },
1698     { "f9", offsetof(CPUState, fpr[9]) },
1699     { "f10", offsetof(CPUState, fpr[10]) },
1700     { "f11", offsetof(CPUState, fpr[11]) },
1701     { "f12", offsetof(CPUState, fpr[12]) },
1702     { "f13", offsetof(CPUState, fpr[13]) },
1703     { "f14", offsetof(CPUState, fpr[14]) },
1704     { "f15", offsetof(CPUState, fpr[15]) },
1705     { "f16", offsetof(CPUState, fpr[16]) },
1706     { "f17", offsetof(CPUState, fpr[17]) },
1707     { "f18", offsetof(CPUState, fpr[18]) },
1708     { "f19", offsetof(CPUState, fpr[19]) },
1709     { "f20", offsetof(CPUState, fpr[20]) },
1710     { "f21", offsetof(CPUState, fpr[21]) },
1711     { "f22", offsetof(CPUState, fpr[22]) },
1712     { "f23", offsetof(CPUState, fpr[23]) },
1713     { "f24", offsetof(CPUState, fpr[24]) },
1714     { "f25", offsetof(CPUState, fpr[25]) },
1715     { "f26", offsetof(CPUState, fpr[26]) },
1716     { "f27", offsetof(CPUState, fpr[27]) },
1717     { "f28", offsetof(CPUState, fpr[28]) },
1718     { "f29", offsetof(CPUState, fpr[29]) },
1719     { "f30", offsetof(CPUState, fpr[30]) },
1720     { "f31", offsetof(CPUState, fpr[31]) },
1721 #ifdef TARGET_SPARC64
1722     { "f32", offsetof(CPUState, fpr[32]) },
1723     { "f34", offsetof(CPUState, fpr[34]) },
1724     { "f36", offsetof(CPUState, fpr[36]) },
1725     { "f38", offsetof(CPUState, fpr[38]) },
1726     { "f40", offsetof(CPUState, fpr[40]) },
1727     { "f42", offsetof(CPUState, fpr[42]) },
1728     { "f44", offsetof(CPUState, fpr[44]) },
1729     { "f46", offsetof(CPUState, fpr[46]) },
1730     { "f48", offsetof(CPUState, fpr[48]) },
1731     { "f50", offsetof(CPUState, fpr[50]) },
1732     { "f52", offsetof(CPUState, fpr[52]) },
1733     { "f54", offsetof(CPUState, fpr[54]) },
1734     { "f56", offsetof(CPUState, fpr[56]) },
1735     { "f58", offsetof(CPUState, fpr[58]) },
1736     { "f60", offsetof(CPUState, fpr[60]) },
1737     { "f62", offsetof(CPUState, fpr[62]) },
1738     { "asi", offsetof(CPUState, asi) },
1739     { "pstate", offsetof(CPUState, pstate) },
1740     { "cansave", offsetof(CPUState, cansave) },
1741     { "canrestore", offsetof(CPUState, canrestore) },
1742     { "otherwin", offsetof(CPUState, otherwin) },
1743     { "wstate", offsetof(CPUState, wstate) },
1744     { "cleanwin", offsetof(CPUState, cleanwin) },
1745     { "fprs", offsetof(CPUState, fprs) },
1746 #endif
1747 #endif
1748     { NULL },
1749 };
1750
1751 static void expr_error(const char *fmt)
1752 {
1753     term_printf(fmt);
1754     term_printf("\n");
1755     longjmp(expr_env, 1);
1756 }
1757
1758 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1759 static int get_monitor_def(target_long *pval, const char *name)
1760 {
1761     MonitorDef *md;
1762     void *ptr;
1763
1764     for(md = monitor_defs; md->name != NULL; md++) {
1765         if (compare_cmd(name, md->name)) {
1766             if (md->get_value) {
1767                 *pval = md->get_value(md, md->offset);
1768             } else {
1769                 CPUState *env = mon_get_cpu();
1770                 if (!env)
1771                     return -2;
1772                 ptr = (uint8_t *)env + md->offset;
1773                 switch(md->type) {
1774                 case MD_I32:
1775                     *pval = *(int32_t *)ptr;
1776                     break;
1777                 case MD_TLONG:
1778                     *pval = *(target_long *)ptr;
1779                     break;
1780                 default:
1781                     *pval = 0;
1782                     break;
1783                 }
1784             }
1785             return 0;
1786         }
1787     }
1788     return -1;
1789 }
1790
1791 static void next(void)
1792 {
1793     if (pch != '\0') {
1794         pch++;
1795         while (isspace(*pch))
1796             pch++;
1797     }
1798 }
1799
1800 static int64_t expr_sum(void);
1801
1802 static int64_t expr_unary(void)
1803 {
1804     int64_t n;
1805     char *p;
1806     int ret;
1807
1808     switch(*pch) {
1809     case '+':
1810         next();
1811         n = expr_unary();
1812         break;
1813     case '-':
1814         next();
1815         n = -expr_unary();
1816         break;
1817     case '~':
1818         next();
1819         n = ~expr_unary();
1820         break;
1821     case '(':
1822         next();
1823         n = expr_sum();
1824         if (*pch != ')') {
1825             expr_error("')' expected");
1826         }
1827         next();
1828         break;
1829     case '\'':
1830         pch++;
1831         if (*pch == '\0')
1832             expr_error("character constant expected");
1833         n = *pch;
1834         pch++;
1835         if (*pch != '\'')
1836             expr_error("missing terminating \' character");
1837         next();
1838         break;
1839     case '$':
1840         {
1841             char buf[128], *q;
1842             target_long reg=0;
1843
1844             pch++;
1845             q = buf;
1846             while ((*pch >= 'a' && *pch <= 'z') ||
1847                    (*pch >= 'A' && *pch <= 'Z') ||
1848                    (*pch >= '0' && *pch <= '9') ||
1849                    *pch == '_' || *pch == '.') {
1850                 if ((q - buf) < sizeof(buf) - 1)
1851                     *q++ = *pch;
1852                 pch++;
1853             }
1854             while (isspace(*pch))
1855                 pch++;
1856             *q = 0;
1857             ret = get_monitor_def(&reg, buf);
1858             if (ret == -1)
1859                 expr_error("unknown register");
1860             else if (ret == -2)
1861                 expr_error("no cpu defined");
1862             n = reg;
1863         }
1864         break;
1865     case '\0':
1866         expr_error("unexpected end of expression");
1867         n = 0;
1868         break;
1869     default:
1870 #if TARGET_PHYS_ADDR_BITS > 32
1871         n = strtoull(pch, &p, 0);
1872 #else
1873         n = strtoul(pch, &p, 0);
1874 #endif
1875         if (pch == p) {
1876             expr_error("invalid char in expression");
1877         }
1878         pch = p;
1879         while (isspace(*pch))
1880             pch++;
1881         break;
1882     }
1883     return n;
1884 }
1885
1886
1887 static int64_t expr_prod(void)
1888 {
1889     int64_t val, val2;
1890     int op;
1891
1892     val = expr_unary();
1893     for(;;) {
1894         op = *pch;
1895         if (op != '*' && op != '/' && op != '%')
1896             break;
1897         next();
1898         val2 = expr_unary();
1899         switch(op) {
1900         default:
1901         case '*':
1902             val *= val2;
1903             break;
1904         case '/':
1905         case '%':
1906             if (val2 == 0)
1907                 expr_error("division by zero");
1908             if (op == '/')
1909                 val /= val2;
1910             else
1911                 val %= val2;
1912             break;
1913         }
1914     }
1915     return val;
1916 }
1917
1918 static int64_t expr_logic(void)
1919 {
1920     int64_t val, val2;
1921     int op;
1922
1923     val = expr_prod();
1924     for(;;) {
1925         op = *pch;
1926         if (op != '&' && op != '|' && op != '^')
1927             break;
1928         next();
1929         val2 = expr_prod();
1930         switch(op) {
1931         default:
1932         case '&':
1933             val &= val2;
1934             break;
1935         case '|':
1936             val |= val2;
1937             break;
1938         case '^':
1939             val ^= val2;
1940             break;
1941         }
1942     }
1943     return val;
1944 }
1945
1946 static int64_t expr_sum(void)
1947 {
1948     int64_t val, val2;
1949     int op;
1950
1951     val = expr_logic();
1952     for(;;) {
1953         op = *pch;
1954         if (op != '+' && op != '-')
1955             break;
1956         next();
1957         val2 = expr_logic();
1958         if (op == '+')
1959             val += val2;
1960         else
1961             val -= val2;
1962     }
1963     return val;
1964 }
1965
1966 static int get_expr(int64_t *pval, const char **pp)
1967 {
1968     pch = *pp;
1969     if (setjmp(expr_env)) {
1970         *pp = pch;
1971         return -1;
1972     }
1973     while (isspace(*pch))
1974         pch++;
1975     *pval = expr_sum();
1976     *pp = pch;
1977     return 0;
1978 }
1979
1980 static int get_str(char *buf, int buf_size, const char **pp)
1981 {
1982     const char *p;
1983     char *q;
1984     int c;
1985
1986     q = buf;
1987     p = *pp;
1988     while (isspace(*p))
1989         p++;
1990     if (*p == '\0') {
1991     fail:
1992         *q = '\0';
1993         *pp = p;
1994         return -1;
1995     }
1996     if (*p == '\"') {
1997         p++;
1998         while (*p != '\0' && *p != '\"') {
1999             if (*p == '\\') {
2000                 p++;
2001                 c = *p++;
2002                 switch(c) {
2003                 case 'n':
2004                     c = '\n';
2005                     break;
2006                 case 'r':
2007                     c = '\r';
2008                     break;
2009                 case '\\':
2010                 case '\'':
2011                 case '\"':
2012                     break;
2013                 default:
2014                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2015                     goto fail;
2016                 }
2017                 if ((q - buf) < buf_size - 1) {
2018                     *q++ = c;
2019                 }
2020             } else {
2021                 if ((q - buf) < buf_size - 1) {
2022                     *q++ = *p;
2023                 }
2024                 p++;
2025             }
2026         }
2027         if (*p != '\"') {
2028             qemu_printf("unterminated string\n");
2029             goto fail;
2030         }
2031         p++;
2032     } else {
2033         while (*p != '\0' && !isspace(*p)) {
2034             if ((q - buf) < buf_size - 1) {
2035                 *q++ = *p;
2036             }
2037             p++;
2038         }
2039     }
2040     *q = '\0';
2041     *pp = p;
2042     return 0;
2043 }
2044
2045 static int default_fmt_format = 'x';
2046 static int default_fmt_size = 4;
2047
2048 #define MAX_ARGS 16
2049
2050 static void monitor_handle_command(const char *cmdline)
2051 {
2052     const char *p, *pstart, *typestr;
2053     char *q;
2054     int c, nb_args, len, i, has_arg;
2055     term_cmd_t *cmd;
2056     char cmdname[256];
2057     char buf[1024];
2058     void *str_allocated[MAX_ARGS];
2059     void *args[MAX_ARGS];
2060
2061 #ifdef DEBUG
2062     term_printf("command='%s'\n", cmdline);
2063 #endif
2064
2065     /* extract the command name */
2066     p = cmdline;
2067     q = cmdname;
2068     while (isspace(*p))
2069         p++;
2070     if (*p == '\0')
2071         return;
2072     pstart = p;
2073     while (*p != '\0' && *p != '/' && !isspace(*p))
2074         p++;
2075     len = p - pstart;
2076     if (len > sizeof(cmdname) - 1)
2077         len = sizeof(cmdname) - 1;
2078     memcpy(cmdname, pstart, len);
2079     cmdname[len] = '\0';
2080
2081     /* find the command */
2082     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2083         if (compare_cmd(cmdname, cmd->name))
2084             goto found;
2085     }
2086     term_printf("unknown command: '%s'\n", cmdname);
2087     return;
2088  found:
2089
2090     for(i = 0; i < MAX_ARGS; i++)
2091         str_allocated[i] = NULL;
2092
2093     /* parse the parameters */
2094     typestr = cmd->args_type;
2095     nb_args = 0;
2096     for(;;) {
2097         c = *typestr;
2098         if (c == '\0')
2099             break;
2100         typestr++;
2101         switch(c) {
2102         case 'F':
2103         case 'B':
2104         case 's':
2105             {
2106                 int ret;
2107                 char *str;
2108
2109                 while (isspace(*p))
2110                     p++;
2111                 if (*typestr == '?') {
2112                     typestr++;
2113                     if (*p == '\0') {
2114                         /* no optional string: NULL argument */
2115                         str = NULL;
2116                         goto add_str;
2117                     }
2118                 }
2119                 ret = get_str(buf, sizeof(buf), &p);
2120                 if (ret < 0) {
2121                     switch(c) {
2122                     case 'F':
2123                         term_printf("%s: filename expected\n", cmdname);
2124                         break;
2125                     case 'B':
2126                         term_printf("%s: block device name expected\n", cmdname);
2127                         break;
2128                     default:
2129                         term_printf("%s: string expected\n", cmdname);
2130                         break;
2131                     }
2132                     goto fail;
2133                 }
2134                 str = qemu_malloc(strlen(buf) + 1);
2135                 strcpy(str, buf);
2136                 str_allocated[nb_args] = str;
2137             add_str:
2138                 if (nb_args >= MAX_ARGS) {
2139                 error_args:
2140                     term_printf("%s: too many arguments\n", cmdname);
2141                     goto fail;
2142                 }
2143                 args[nb_args++] = str;
2144             }
2145             break;
2146         case '/':
2147             {
2148                 int count, format, size;
2149
2150                 while (isspace(*p))
2151                     p++;
2152                 if (*p == '/') {
2153                     /* format found */
2154                     p++;
2155                     count = 1;
2156                     if (isdigit(*p)) {
2157                         count = 0;
2158                         while (isdigit(*p)) {
2159                             count = count * 10 + (*p - '0');
2160                             p++;
2161                         }
2162                     }
2163                     size = -1;
2164                     format = -1;
2165                     for(;;) {
2166                         switch(*p) {
2167                         case 'o':
2168                         case 'd':
2169                         case 'u':
2170                         case 'x':
2171                         case 'i':
2172                         case 'c':
2173                             format = *p++;
2174                             break;
2175                         case 'b':
2176                             size = 1;
2177                             p++;
2178                             break;
2179                         case 'h':
2180                             size = 2;
2181                             p++;
2182                             break;
2183                         case 'w':
2184                             size = 4;
2185                             p++;
2186                             break;
2187                         case 'g':
2188                         case 'L':
2189                             size = 8;
2190                             p++;
2191                             break;
2192                         default:
2193                             goto next;
2194                         }
2195                     }
2196                 next:
2197                     if (*p != '\0' && !isspace(*p)) {
2198                         term_printf("invalid char in format: '%c'\n", *p);
2199                         goto fail;
2200                     }
2201                     if (format < 0)
2202                         format = default_fmt_format;
2203                     if (format != 'i') {
2204                         /* for 'i', not specifying a size gives -1 as size */
2205                         if (size < 0)
2206                             size = default_fmt_size;
2207                     }
2208                     default_fmt_size = size;
2209                     default_fmt_format = format;
2210                 } else {
2211                     count = 1;
2212                     format = default_fmt_format;
2213                     if (format != 'i') {
2214                         size = default_fmt_size;
2215                     } else {
2216                         size = -1;
2217                     }
2218                 }
2219                 if (nb_args + 3 > MAX_ARGS)
2220                     goto error_args;
2221                 args[nb_args++] = (void*)(long)count;
2222                 args[nb_args++] = (void*)(long)format;
2223                 args[nb_args++] = (void*)(long)size;
2224             }
2225             break;
2226         case 'i':
2227         case 'l':
2228             {
2229                 int64_t val;
2230
2231                 while (isspace(*p))
2232                     p++;
2233                 if (*typestr == '?' || *typestr == '.') {
2234                     if (*typestr == '?') {
2235                         if (*p == '\0')
2236                             has_arg = 0;
2237                         else
2238                             has_arg = 1;
2239                     } else {
2240                         if (*p == '.') {
2241                             p++;
2242                             while (isspace(*p))
2243                                 p++;
2244                             has_arg = 1;
2245                         } else {
2246                             has_arg = 0;
2247                         }
2248                     }
2249                     typestr++;
2250                     if (nb_args >= MAX_ARGS)
2251                         goto error_args;
2252                     args[nb_args++] = (void *)(long)has_arg;
2253                     if (!has_arg) {
2254                         if (nb_args >= MAX_ARGS)
2255                             goto error_args;
2256                         val = -1;
2257                         goto add_num;
2258                     }
2259                 }
2260                 if (get_expr(&val, &p))
2261                     goto fail;
2262             add_num:
2263                 if (c == 'i') {
2264                     if (nb_args >= MAX_ARGS)
2265                         goto error_args;
2266                     args[nb_args++] = (void *)(long)val;
2267                 } else {
2268                     if ((nb_args + 1) >= MAX_ARGS)
2269                         goto error_args;
2270 #if TARGET_PHYS_ADDR_BITS > 32
2271                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2272 #else
2273                     args[nb_args++] = (void *)0;
2274 #endif
2275                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2276                 }
2277             }
2278             break;
2279         case '-':
2280             {
2281                 int has_option;
2282                 /* option */
2283
2284                 c = *typestr++;
2285                 if (c == '\0')
2286                     goto bad_type;
2287                 while (isspace(*p))
2288                     p++;
2289                 has_option = 0;
2290                 if (*p == '-') {
2291                     p++;
2292                     if (*p != c) {
2293                         term_printf("%s: unsupported option -%c\n",
2294                                     cmdname, *p);
2295                         goto fail;
2296                     }
2297                     p++;
2298                     has_option = 1;
2299                 }
2300                 if (nb_args >= MAX_ARGS)
2301                     goto error_args;
2302                 args[nb_args++] = (void *)(long)has_option;
2303             }
2304             break;
2305         default:
2306         bad_type:
2307             term_printf("%s: unknown type '%c'\n", cmdname, c);
2308             goto fail;
2309         }
2310     }
2311     /* check that all arguments were parsed */
2312     while (isspace(*p))
2313         p++;
2314     if (*p != '\0') {
2315         term_printf("%s: extraneous characters at the end of line\n",
2316                     cmdname);
2317         goto fail;
2318     }
2319
2320     switch(nb_args) {
2321     case 0:
2322         cmd->handler();
2323         break;
2324     case 1:
2325         cmd->handler(args[0]);
2326         break;
2327     case 2:
2328         cmd->handler(args[0], args[1]);
2329         break;
2330     case 3:
2331         cmd->handler(args[0], args[1], args[2]);
2332         break;
2333     case 4:
2334         cmd->handler(args[0], args[1], args[2], args[3]);
2335         break;
2336     case 5:
2337         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2338         break;
2339     case 6:
2340         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2341         break;
2342     case 7:
2343         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2344         break;
2345     default:
2346         term_printf("unsupported number of arguments: %d\n", nb_args);
2347         goto fail;
2348     }
2349  fail:
2350     for(i = 0; i < MAX_ARGS; i++)
2351         qemu_free(str_allocated[i]);
2352     return;
2353 }
2354
2355 static void cmd_completion(const char *name, const char *list)
2356 {
2357     const char *p, *pstart;
2358     char cmd[128];
2359     int len;
2360
2361     p = list;
2362     for(;;) {
2363         pstart = p;
2364         p = strchr(p, '|');
2365         if (!p)
2366             p = pstart + strlen(pstart);
2367         len = p - pstart;
2368         if (len > sizeof(cmd) - 2)
2369             len = sizeof(cmd) - 2;
2370         memcpy(cmd, pstart, len);
2371         cmd[len] = '\0';
2372         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2373             add_completion(cmd);
2374         }
2375         if (*p == '\0')
2376             break;
2377         p++;
2378     }
2379 }
2380
2381 static void file_completion(const char *input)
2382 {
2383     DIR *ffs;
2384     struct dirent *d;
2385     char path[1024];
2386     char file[1024], file_prefix[1024];
2387     int input_path_len;
2388     const char *p;
2389
2390     p = strrchr(input, '/');
2391     if (!p) {
2392         input_path_len = 0;
2393         pstrcpy(file_prefix, sizeof(file_prefix), input);
2394         strcpy(path, ".");
2395     } else {
2396         input_path_len = p - input + 1;
2397         memcpy(path, input, input_path_len);
2398         if (input_path_len > sizeof(path) - 1)
2399             input_path_len = sizeof(path) - 1;
2400         path[input_path_len] = '\0';
2401         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2402     }
2403 #ifdef DEBUG_COMPLETION
2404     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2405 #endif
2406     ffs = opendir(path);
2407     if (!ffs)
2408         return;
2409     for(;;) {
2410         struct stat sb;
2411         d = readdir(ffs);
2412         if (!d)
2413             break;
2414         if (strstart(d->d_name, file_prefix, NULL)) {
2415             memcpy(file, input, input_path_len);
2416             strcpy(file + input_path_len, d->d_name);
2417             /* stat the file to find out if it's a directory.
2418              * In that case add a slash to speed up typing long paths
2419              */
2420             stat(file, &sb);
2421             if(S_ISDIR(sb.st_mode))
2422                 strcat(file, "/");
2423             add_completion(file);
2424         }
2425     }
2426     closedir(ffs);
2427 }
2428
2429 static void block_completion_it(void *opaque, const char *name)
2430 {
2431     const char *input = opaque;
2432
2433     if (input[0] == '\0' ||
2434         !strncmp(name, (char *)input, strlen(input))) {
2435         add_completion(name);
2436     }
2437 }
2438
2439 /* NOTE: this parser is an approximate form of the real command parser */
2440 static void parse_cmdline(const char *cmdline,
2441                          int *pnb_args, char **args)
2442 {
2443     const char *p;
2444     int nb_args, ret;
2445     char buf[1024];
2446
2447     p = cmdline;
2448     nb_args = 0;
2449     for(;;) {
2450         while (isspace(*p))
2451             p++;
2452         if (*p == '\0')
2453             break;
2454         if (nb_args >= MAX_ARGS)
2455             break;
2456         ret = get_str(buf, sizeof(buf), &p);
2457         args[nb_args] = qemu_strdup(buf);
2458         nb_args++;
2459         if (ret < 0)
2460             break;
2461     }
2462     *pnb_args = nb_args;
2463 }
2464
2465 void readline_find_completion(const char *cmdline)
2466 {
2467     const char *cmdname;
2468     char *args[MAX_ARGS];
2469     int nb_args, i, len;
2470     const char *ptype, *str;
2471     term_cmd_t *cmd;
2472     const KeyDef *key;
2473
2474     parse_cmdline(cmdline, &nb_args, args);
2475 #ifdef DEBUG_COMPLETION
2476     for(i = 0; i < nb_args; i++) {
2477         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2478     }
2479 #endif
2480
2481     /* if the line ends with a space, it means we want to complete the
2482        next arg */
2483     len = strlen(cmdline);
2484     if (len > 0 && isspace(cmdline[len - 1])) {
2485         if (nb_args >= MAX_ARGS)
2486             return;
2487         args[nb_args++] = qemu_strdup("");
2488     }
2489     if (nb_args <= 1) {
2490         /* command completion */
2491         if (nb_args == 0)
2492             cmdname = "";
2493         else
2494             cmdname = args[0];
2495         completion_index = strlen(cmdname);
2496         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2497             cmd_completion(cmdname, cmd->name);
2498         }
2499     } else {
2500         /* find the command */
2501         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2502             if (compare_cmd(args[0], cmd->name))
2503                 goto found;
2504         }
2505         return;
2506     found:
2507         ptype = cmd->args_type;
2508         for(i = 0; i < nb_args - 2; i++) {
2509             if (*ptype != '\0') {
2510                 ptype++;
2511                 while (*ptype == '?')
2512                     ptype++;
2513             }
2514         }
2515         str = args[nb_args - 1];
2516         switch(*ptype) {
2517         case 'F':
2518             /* file completion */
2519             completion_index = strlen(str);
2520             file_completion(str);
2521             break;
2522         case 'B':
2523             /* block device name completion */
2524             completion_index = strlen(str);
2525             bdrv_iterate(block_completion_it, (void *)str);
2526             break;
2527         case 's':
2528             /* XXX: more generic ? */
2529             if (!strcmp(cmd->name, "info")) {
2530                 completion_index = strlen(str);
2531                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2532                     cmd_completion(str, cmd->name);
2533                 }
2534             } else if (!strcmp(cmd->name, "sendkey")) {
2535                 completion_index = strlen(str);
2536                 for(key = key_defs; key->name != NULL; key++) {
2537                     cmd_completion(str, key->name);
2538                 }
2539             }
2540             break;
2541         default:
2542             break;
2543         }
2544     }
2545     for(i = 0; i < nb_args; i++)
2546         qemu_free(args[i]);
2547 }
2548
2549 static int term_can_read(void *opaque)
2550 {
2551     return 128;
2552 }
2553
2554 static void term_read(void *opaque, const uint8_t *buf, int size)
2555 {
2556     int i;
2557     for(i = 0; i < size; i++)
2558         readline_handle_byte(buf[i]);
2559 }
2560
2561 static int monitor_suspended;
2562
2563 void monitor_suspend(void)
2564 {
2565     monitor_suspended = 1;
2566 }
2567
2568 void monitor_resume(void)
2569 {
2570     monitor_suspended = 0;
2571     monitor_start_input();
2572 }
2573
2574 static void monitor_start_input(void);
2575
2576 static void monitor_handle_command1(void *opaque, const char *cmdline)
2577 {
2578     monitor_handle_command(cmdline);
2579     if (!monitor_suspended)
2580         monitor_start_input();
2581 }
2582
2583 static void monitor_start_input(void)
2584 {
2585     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2586 }
2587
2588 static void term_event(void *opaque, int event)
2589 {
2590     if (event != CHR_EVENT_RESET)
2591         return;
2592
2593     if (!hide_banner)
2594             term_printf("QEMU %s monitor - type 'help' for more information\n",
2595                         QEMU_VERSION);
2596     monitor_start_input();
2597 }
2598
2599 static int is_first_init = 1;
2600
2601 void monitor_init(CharDriverState *hd, int show_banner)
2602 {
2603     int i;
2604
2605     if (is_first_init) {
2606         for (i = 0; i < MAX_MON; i++) {
2607             monitor_hd[i] = NULL;
2608         }
2609         is_first_init = 0;
2610     }
2611     for (i = 0; i < MAX_MON; i++) {
2612         if (monitor_hd[i] == NULL) {
2613             monitor_hd[i] = hd;
2614             break;
2615         }
2616     }
2617
2618     hide_banner = !show_banner;
2619
2620     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2621
2622     readline_start("", 0, monitor_handle_command1, NULL);
2623 }
2624
2625 /* XXX: use threads ? */
2626 /* modal monitor readline */
2627 static int monitor_readline_started;
2628 static char *monitor_readline_buf;
2629 static int monitor_readline_buf_size;
2630
2631 static void monitor_readline_cb(void *opaque, const char *input)
2632 {
2633     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2634     monitor_readline_started = 0;
2635 }
2636
2637 void monitor_readline(const char *prompt, int is_password,
2638                       char *buf, int buf_size)
2639 {
2640     int i;
2641
2642     if (is_password) {
2643         for (i = 0; i < MAX_MON; i++)
2644             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2645                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2646     }
2647     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2648     monitor_readline_buf = buf;
2649     monitor_readline_buf_size = buf_size;
2650     monitor_readline_started = 1;
2651     while (monitor_readline_started) {
2652         main_loop_wait(10);
2653     }
2654 }