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 #elif defined(TARGET_PPC)
 318         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 319 #elif defined(TARGET_SPARC)
 320         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 321 #elif defined(TARGET_MIPS)
 322         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 323 #endif
 324         if (env->halted)
 325             term_printf(" (halted)");
 326         term_printf("\n");
 327     }
 328 }
 329
 330 static void do_cpu_set(int index)
 331 {
 332     if (mon_set_cpu(index) < 0)
 333         term_printf("Invalid CPU index\n");
 334 }
 335
 336 static void do_info_jit(void)
 337 {
 338     dump_exec_info(NULL, monitor_fprintf);
 339 }
 340
 341 static void do_info_history (void)
 342 {
 343     int i;
 344     const char *str;
 345
 346     i = 0;
 347     for(;;) {
 348         str = readline_get_history(i);
 349         if (!str)
 350             break;
 351         term_printf("%d: '%s'\n", i, str);
 352         i++;
 353     }
 354 }
 355
 356 #if defined(TARGET_PPC)
 357 /* XXX: not implemented in other targets */
 358 static void do_info_cpu_stats (void)
 359 {
 360     CPUState *env;
 361
 362     env = mon_get_cpu();
 363     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 364 }
 365 #endif
 366
 367 static void do_quit(void)
 368 {
 369     exit(0);
 370 }
 371
 372 static int eject_device(BlockDriverState *bs, int force)
 373 {
 374     if (bdrv_is_inserted(bs)) {
 375         if (!force) {
 376             if (!bdrv_is_removable(bs)) {
 377                 term_printf("device is not removable\n");
 378                 return -1;
 379             }
 380             if (bdrv_is_locked(bs)) {
 381                 term_printf("device is locked\n");
 382                 return -1;
 383             }
 384         }
 385         bdrv_close(bs);
 386     }
 387     return 0;
 388 }
 389
 390 static void do_eject(int force, const char *filename)
 391 {
 392     BlockDriverState *bs;
 393
 394     bs = bdrv_find(filename);
 395     if (!bs) {
 396         term_printf("device not found\n");
 397         return;
 398     }
 399     eject_device(bs, force);
 400 }
 401
 402 static void do_change_block(const char *device, const char *filename)
 403 {
 404     BlockDriverState *bs;
 405
 406     bs = bdrv_find(device);
 407     if (!bs) {
 408         term_printf("device not found\n");
 409         return;
 410     }
 411     if (eject_device(bs, 0) < 0)
 412         return;
 413     bdrv_open(bs, filename, 0);
 414     qemu_key_check(bs, filename);
 415 }
 416
 417 static void do_change_vnc(const char *target)
 418 {
 419     if (strcmp(target, "passwd") == 0 ||
 420         strcmp(target, "password") == 0) {
 421         char password[9];
 422         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 423         password[sizeof(password)-1] = '\0';
 424         if (vnc_display_password(NULL, password) < 0)
 425             term_printf("could not set VNC server password\n");
 426     } else {
 427         if (vnc_display_open(NULL, target) < 0)
 428             term_printf("could not start VNC server on %s\n", target);
 429     }
 430 }
 431
 432 static void do_change(const char *device, const char *target)
 433 {
 434     if (strcmp(device, "vnc") == 0) {
 435         do_change_vnc(target);
 436     } else {
 437         do_change_block(device, target);
 438     }
 439 }
 440
 441 static void do_screen_dump(const char *filename)
 442 {
 443     vga_hw_screen_dump(filename);
 444 }
 445
 446 static void do_logfile(const char *filename)
 447 {
 448     cpu_set_log_filename(filename);
 449 }
 450
 451 static void do_log(const char *items)
 452 {
 453     int mask;
 454
 455     if (!strcmp(items, "none")) {
 456         mask = 0;
 457     } else {
 458         mask = cpu_str_to_log_mask(items);
 459         if (!mask) {
 460             help_cmd("log");
 461             return;
 462         }
 463     }
 464     cpu_set_log(mask);
 465 }
 466
 467 static void do_stop(void)
 468 {
 469     vm_stop(EXCP_INTERRUPT);
 470 }
 471
 472 static void do_cont(void)
 473 {
 474     vm_start();
 475 }
 476
 477 #ifdef CONFIG_GDBSTUB
 478 static void do_gdbserver(const char *port)
 479 {
 480     if (!port)
 481         port = DEFAULT_GDBSTUB_PORT;
 482     if (gdbserver_start(port) < 0) {
 483         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 484     } else {
 485         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 486     }
 487 }
 488 #endif
 489
 490 static void term_printc(int c)
 491 {
 492     term_printf("'");
 493     switch(c) {
 494     case '\'':
 495         term_printf("\\'");
 496         break;
 497     case '\\':
 498         term_printf("\\\\");
 499         break;
 500     case '\n':
 501         term_printf("\\n");
 502         break;
 503     case '\r':
 504         term_printf("\\r");
 505         break;
 506     default:
 507         if (c >= 32 && c <= 126) {
 508             term_printf("%c", c);
 509         } else {
 510             term_printf("\\x%02x", c);
 511         }
 512         break;
 513     }
 514     term_printf("'");
 515 }
 516
 517 static void memory_dump(int count, int format, int wsize,
 518                         target_phys_addr_t addr, int is_physical)
 519 {
 520     CPUState *env;
 521     int nb_per_line, l, line_size, i, max_digits, len;
 522     uint8_t buf[16];
 523     uint64_t v;
 524
 525     if (format == 'i') {
 526         int flags;
 527         flags = 0;
 528         env = mon_get_cpu();
 529         if (!env && !is_physical)
 530             return;
 531 #ifdef TARGET_I386
 532         if (wsize == 2) {
 533             flags = 1;
 534         } else if (wsize == 4) {
 535             flags = 0;
 536         } else {
 537             /* as default we use the current CS size */
 538             flags = 0;
 539             if (env) {
 540 #ifdef TARGET_X86_64
 541                 if ((env->efer & MSR_EFER_LMA) &&
 542                     (env->segs[R_CS].flags & DESC_L_MASK))
 543                     flags = 2;
 544                 else
 545 #endif
 546                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 547                     flags = 1;
 548             }
 549         }
 550 #endif
 551         monitor_disas(env, addr, count, is_physical, flags);
 552         return;
 553     }
 554
 555     len = wsize * count;
 556     if (wsize == 1)
 557         line_size = 8;
 558     else
 559         line_size = 16;
 560     nb_per_line = line_size / wsize;
 561     max_digits = 0;
 562
 563     switch(format) {
 564     case 'o':
 565         max_digits = (wsize * 8 + 2) / 3;
 566         break;
 567     default:
 568     case 'x':
 569         max_digits = (wsize * 8) / 4;
 570         break;
 571     case 'u':
 572     case 'd':
 573         max_digits = (wsize * 8 * 10 + 32) / 33;
 574         break;
 575     case 'c':
 576         wsize = 1;
 577         break;
 578     }
 579
 580     while (len > 0) {
 581         if (is_physical)
 582             term_printf(TARGET_FMT_plx ":", addr);
 583         else
 584             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 585         l = len;
 586         if (l > line_size)
 587             l = line_size;
 588         if (is_physical) {
 589             cpu_physical_memory_rw(addr, buf, l, 0);
 590         } else {
 591             env = mon_get_cpu();
 592             if (!env)
 593                 break;
 594             cpu_memory_rw_debug(env, addr, buf, l, 0);
 595         }
 596         i = 0;
 597         while (i < l) {
 598             switch(wsize) {
 599             default:
 600             case 1:
 601                 v = ldub_raw(buf + i);
 602                 break;
 603             case 2:
 604                 v = lduw_raw(buf + i);
 605                 break;
 606             case 4:
 607                 v = (uint32_t)ldl_raw(buf + i);
 608                 break;
 609             case 8:
 610                 v = ldq_raw(buf + i);
 611                 break;
 612             }
 613             term_printf(" ");
 614             switch(format) {
 615             case 'o':
 616                 term_printf("%#*" PRIo64, max_digits, v);
 617                 break;
 618             case 'x':
 619                 term_printf("0x%0*" PRIx64, max_digits, v);
 620                 break;
 621             case 'u':
 622                 term_printf("%*" PRIu64, max_digits, v);
 623                 break;
 624             case 'd':
 625                 term_printf("%*" PRId64, max_digits, v);
 626                 break;
 627             case 'c':
 628                 term_printc(v);
 629                 break;
 630             }
 631             i += wsize;
 632         }
 633         term_printf("\n");
 634         addr += l;
 635         len -= l;
 636     }
 637 }
 638
 639 #if TARGET_LONG_BITS == 64
 640 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 641 #else
 642 #define GET_TLONG(h, l) (l)
 643 #endif
 644
 645 static void do_memory_dump(int count, int format, int size,
 646                            uint32_t addrh, uint32_t addrl)
 647 {
 648     target_long addr = GET_TLONG(addrh, addrl);
 649     memory_dump(count, format, size, addr, 0);
 650 }
 651
 652 #if TARGET_PHYS_ADDR_BITS > 32
 653 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 654 #else
 655 #define GET_TPHYSADDR(h, l) (l)
 656 #endif
 657
 658 static void do_physical_memory_dump(int count, int format, int size,
 659                                     uint32_t addrh, uint32_t addrl)
 660
 661 {
 662     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 663     memory_dump(count, format, size, addr, 1);
 664 }
 665
 666 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 667 {
 668     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 669 #if TARGET_PHYS_ADDR_BITS == 32
 670     switch(format) {
 671     case 'o':
 672         term_printf("%#o", val);
 673         break;
 674     case 'x':
 675         term_printf("%#x", val);
 676         break;
 677     case 'u':
 678         term_printf("%u", val);
 679         break;
 680     default:
 681     case 'd':
 682         term_printf("%d", val);
 683         break;
 684     case 'c':
 685         term_printc(val);
 686         break;
 687     }
 688 #else
 689     switch(format) {
 690     case 'o':
 691         term_printf("%#" PRIo64, val);
 692         break;
 693     case 'x':
 694         term_printf("%#" PRIx64, val);
 695         break;
 696     case 'u':
 697         term_printf("%" PRIu64, val);
 698         break;
 699     default:
 700     case 'd':
 701         term_printf("%" PRId64, val);
 702         break;
 703     case 'c':
 704         term_printc(val);
 705         break;
 706     }
 707 #endif
 708     term_printf("\n");
 709 }
 710
 711 static void do_memory_save(unsigned int valh, unsigned int vall,
 712                            uint32_t size, const char *filename)
 713 {
 714     FILE *f;
 715     target_long addr = GET_TLONG(valh, vall);
 716     uint32_t l;
 717     CPUState *env;
 718     uint8_t buf[1024];
 719
 720     env = mon_get_cpu();
 721     if (!env)
 722         return;
 723
 724     f = fopen(filename, "wb");
 725     if (!f) {
 726         term_printf("could not open '%s'\n", filename);
 727         return;
 728     }
 729     while (size != 0) {
 730         l = sizeof(buf);
 731         if (l > size)
 732             l = size;
 733         cpu_memory_rw_debug(env, addr, buf, l, 0);
 734         fwrite(buf, 1, l, f);
 735         addr += l;
 736         size -= l;
 737     }
 738     fclose(f);
 739 }
 740
 741 static void do_physical_memory_save(unsigned int valh, unsigned int vall,
 742                                     uint32_t size, const char *filename)
 743 {
 744     FILE *f;
 745     uint32_t l;
 746     uint8_t buf[1024];
 747     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
 748
 749     f = fopen(filename, "wb");
 750     if (!f) {
 751         term_printf("could not open '%s'\n", filename);
 752         return;
 753     }
 754     while (size != 0) {
 755         l = sizeof(buf);
 756         if (l > size)
 757             l = size;
 758         cpu_physical_memory_rw(addr, buf, l, 0);
 759         fwrite(buf, 1, l, f);
 760         fflush(f);
 761         addr += l;
 762         size -= l;
 763     }
 764     fclose(f);
 765 }
 766
 767 static void do_sum(uint32_t start, uint32_t size)
 768 {
 769     uint32_t addr;
 770     uint8_t buf[1];
 771     uint16_t sum;
 772
 773     sum = 0;
 774     for(addr = start; addr < (start + size); addr++) {
 775         cpu_physical_memory_rw(addr, buf, 1, 0);
 776         /* BSD sum algorithm ('sum' Unix command) */
 777         sum = (sum >> 1) | (sum << 15);
 778         sum += buf[0];
 779     }
 780     term_printf("%05d\n", sum);
 781 }
 782
 783 typedef struct {
 784     int keycode;
 785     const char *name;
 786 } KeyDef;
 787
 788 static const KeyDef key_defs[] = {
 789     { 0x2a, "shift" },
 790     { 0x36, "shift_r" },
 791
 792     { 0x38, "alt" },
 793     { 0xb8, "alt_r" },
 794     { 0x1d, "ctrl" },
 795     { 0x9d, "ctrl_r" },
 796
 797     { 0xdd, "menu" },
 798
 799     { 0x01, "esc" },
 800
 801     { 0x02, "1" },
 802     { 0x03, "2" },
 803     { 0x04, "3" },
 804     { 0x05, "4" },
 805     { 0x06, "5" },
 806     { 0x07, "6" },
 807     { 0x08, "7" },
 808     { 0x09, "8" },
 809     { 0x0a, "9" },
 810     { 0x0b, "0" },
 811     { 0x0c, "minus" },
 812     { 0x0d, "equal" },
 813     { 0x0e, "backspace" },
 814
 815     { 0x0f, "tab" },
 816     { 0x10, "q" },
 817     { 0x11, "w" },
 818     { 0x12, "e" },
 819     { 0x13, "r" },
 820     { 0x14, "t" },
 821     { 0x15, "y" },
 822     { 0x16, "u" },
 823     { 0x17, "i" },
 824     { 0x18, "o" },
 825     { 0x19, "p" },
 826
 827     { 0x1c, "ret" },
 828
 829     { 0x1e, "a" },
 830     { 0x1f, "s" },
 831     { 0x20, "d" },
 832     { 0x21, "f" },
 833     { 0x22, "g" },
 834     { 0x23, "h" },
 835     { 0x24, "j" },
 836     { 0x25, "k" },
 837     { 0x26, "l" },
 838
 839     { 0x2c, "z" },
 840     { 0x2d, "x" },
 841     { 0x2e, "c" },
 842     { 0x2f, "v" },
 843     { 0x30, "b" },
 844     { 0x31, "n" },
 845     { 0x32, "m" },
 846
 847     { 0x37, "asterisk" },
 848
 849     { 0x39, "spc" },
 850     { 0x3a, "caps_lock" },
 851     { 0x3b, "f1" },
 852     { 0x3c, "f2" },
 853     { 0x3d, "f3" },
 854     { 0x3e, "f4" },
 855     { 0x3f, "f5" },
 856     { 0x40, "f6" },
 857     { 0x41, "f7" },
 858     { 0x42, "f8" },
 859     { 0x43, "f9" },
 860     { 0x44, "f10" },
 861     { 0x45, "num_lock" },
 862     { 0x46, "scroll_lock" },
 863
 864     { 0xb5, "kp_divide" },
 865     { 0x37, "kp_multiply" },
 866     { 0x4a, "kp_subtract" },
 867     { 0x4e, "kp_add" },
 868     { 0x9c, "kp_enter" },
 869     { 0x53, "kp_decimal" },
 870
 871     { 0x52, "kp_0" },
 872     { 0x4f, "kp_1" },
 873     { 0x50, "kp_2" },
 874     { 0x51, "kp_3" },
 875     { 0x4b, "kp_4" },
 876     { 0x4c, "kp_5" },
 877     { 0x4d, "kp_6" },
 878     { 0x47, "kp_7" },
 879     { 0x48, "kp_8" },
 880     { 0x49, "kp_9" },
 881
 882     { 0x56, "<" },
 883
 884     { 0x57, "f11" },
 885     { 0x58, "f12" },
 886
 887     { 0xb7, "print" },
 888
 889     { 0xc7, "home" },
 890     { 0xc9, "pgup" },
 891     { 0xd1, "pgdn" },
 892     { 0xcf, "end" },
 893
 894     { 0xcb, "left" },
 895     { 0xc8, "up" },
 896     { 0xd0, "down" },
 897     { 0xcd, "right" },
 898
 899     { 0xd2, "insert" },
 900     { 0xd3, "delete" },
 901     { 0, NULL },
 902 };
 903
 904 static int get_keycode(const char *key)
 905 {
 906     const KeyDef *p;
 907     char *endp;
 908     int ret;
 909
 910     for(p = key_defs; p->name != NULL; p++) {
 911         if (!strcmp(key, p->name))
 912             return p->keycode;
 913     }
 914     if (strstart(key, "0x", NULL)) {
 915         ret = strtoul(key, &endp, 0);
 916         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 917             return ret;
 918     }
 919     return -1;
 920 }
 921
 922 static void do_send_key(const char *string)
 923 {
 924     char keybuf[16], *q;
 925     uint8_t keycodes[16];
 926     const char *p;
 927     int nb_keycodes, keycode, i;
 928
 929     nb_keycodes = 0;
 930     p = string;
 931     while (*p != '\0') {
 932         q = keybuf;
 933         while (*p != '\0' && *p != '-') {
 934             if ((q - keybuf) < sizeof(keybuf) - 1) {
 935                 *q++ = *p;
 936             }
 937             p++;
 938         }
 939         *q = '\0';
 940         keycode = get_keycode(keybuf);
 941         if (keycode < 0) {
 942             term_printf("unknown key: '%s'\n", keybuf);
 943             return;
 944         }
 945         keycodes[nb_keycodes++] = keycode;
 946         if (*p == '\0')
 947             break;
 948         p++;
 949     }
 950     /* key down events */
 951     for(i = 0; i < nb_keycodes; i++) {
 952         keycode = keycodes[i];
 953         if (keycode & 0x80)
 954             kbd_put_keycode(0xe0);
 955         kbd_put_keycode(keycode & 0x7f);
 956     }
 957     /* key up events */
 958     for(i = nb_keycodes - 1; i >= 0; i--) {
 959         keycode = keycodes[i];
 960         if (keycode & 0x80)
 961             kbd_put_keycode(0xe0);
 962         kbd_put_keycode(keycode | 0x80);
 963     }
 964 }
 965
 966 static int mouse_button_state;
 967
 968 static void do_mouse_move(const char *dx_str, const char *dy_str,
 969                           const char *dz_str)
 970 {
 971     int dx, dy, dz;
 972     dx = strtol(dx_str, NULL, 0);
 973     dy = strtol(dy_str, NULL, 0);
 974     dz = 0;
 975     if (dz_str)
 976         dz = strtol(dz_str, NULL, 0);
 977     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 978 }
 979
 980 static void do_mouse_button(int button_state)
 981 {
 982     mouse_button_state = button_state;
 983     kbd_mouse_event(0, 0, 0, mouse_button_state);
 984 }
 985
 986 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 987 {
 988     uint32_t val;
 989     int suffix;
 990
 991     if (has_index) {
 992         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 993         addr++;
 994     }
 995     addr &= 0xffff;
 996
 997     switch(size) {
 998     default:
 999     case 1:
1000         val = cpu_inb(NULL, addr);
1001         suffix = 'b';
1002         break;
1003     case 2:
1004         val = cpu_inw(NULL, addr);
1005         suffix = 'w';
1006         break;
1007     case 4:
1008         val = cpu_inl(NULL, addr);
1009         suffix = 'l';
1010         break;
1011     }
1012     term_printf("port%c[0x%04x] = %#0*x\n",
1013                 suffix, addr, size * 2, val);
1014 }
1015
1016 static void do_boot_set(const char *bootdevice)
1017 {
1018     int res;
1019
1020     if (qemu_boot_set_handler)  {
1021         res = qemu_boot_set_handler(bootdevice);
1022         if (res == 0)
1023             term_printf("boot device list now set to %s\n", bootdevice);
1024         else
1025             term_printf("setting boot device list failed with error %i\n", res);
1026     } else {
1027         term_printf("no function defined to set boot device list for this architecture\n");
1028     }
1029 }
1030
1031 static void do_system_reset(void)
1032 {
1033     qemu_system_reset_request();
1034 }
1035
1036 static void do_system_powerdown(void)
1037 {
1038     qemu_system_powerdown_request();
1039 }
1040
1041 #if defined(TARGET_I386)
1042 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1043 {
1044     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1045                 addr,
1046                 pte & mask,
1047                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1048                 pte & PG_PSE_MASK ? 'P' : '-',
1049                 pte & PG_DIRTY_MASK ? 'D' : '-',
1050                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1051                 pte & PG_PCD_MASK ? 'C' : '-',
1052                 pte & PG_PWT_MASK ? 'T' : '-',
1053                 pte & PG_USER_MASK ? 'U' : '-',
1054                 pte & PG_RW_MASK ? 'W' : '-');
1055 }
1056
1057 static void tlb_info(void)
1058 {
1059     CPUState *env;
1060     int l1, l2;
1061     uint32_t pgd, pde, pte;
1062
1063     env = mon_get_cpu();
1064     if (!env)
1065         return;
1066
1067     if (!(env->cr[0] & CR0_PG_MASK)) {
1068         term_printf("PG disabled\n");
1069         return;
1070     }
1071     pgd = env->cr[3] & ~0xfff;
1072     for(l1 = 0; l1 < 1024; l1++) {
1073         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1074         pde = le32_to_cpu(pde);
1075         if (pde & PG_PRESENT_MASK) {
1076             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1077                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1078             } else {
1079                 for(l2 = 0; l2 < 1024; l2++) {
1080                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1081                                              (uint8_t *)&pte, 4);
1082                     pte = le32_to_cpu(pte);
1083                     if (pte & PG_PRESENT_MASK) {
1084                         print_pte((l1 << 22) + (l2 << 12),
1085                                   pte & ~PG_PSE_MASK,
1086                                   ~0xfff);
1087                     }
1088                 }
1089             }
1090         }
1091     }
1092 }
1093
1094 static void mem_print(uint32_t *pstart, int *plast_prot,
1095                       uint32_t end, int prot)
1096 {
1097     int prot1;
1098     prot1 = *plast_prot;
1099     if (prot != prot1) {
1100         if (*pstart != -1) {
1101             term_printf("%08x-%08x %08x %c%c%c\n",
1102                         *pstart, end, end - *pstart,
1103                         prot1 & PG_USER_MASK ? 'u' : '-',
1104                         'r',
1105                         prot1 & PG_RW_MASK ? 'w' : '-');
1106         }
1107         if (prot != 0)
1108             *pstart = end;
1109         else
1110             *pstart = -1;
1111         *plast_prot = prot;
1112     }
1113 }
1114
1115 static void mem_info(void)
1116 {
1117     CPUState *env;
1118     int l1, l2, prot, last_prot;
1119     uint32_t pgd, pde, pte, start, end;
1120
1121     env = mon_get_cpu();
1122     if (!env)
1123         return;
1124
1125     if (!(env->cr[0] & CR0_PG_MASK)) {
1126         term_printf("PG disabled\n");
1127         return;
1128     }
1129     pgd = env->cr[3] & ~0xfff;
1130     last_prot = 0;
1131     start = -1;
1132     for(l1 = 0; l1 < 1024; l1++) {
1133         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1134         pde = le32_to_cpu(pde);
1135         end = l1 << 22;
1136         if (pde & PG_PRESENT_MASK) {
1137             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1138                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1139                 mem_print(&start, &last_prot, end, prot);
1140             } else {
1141                 for(l2 = 0; l2 < 1024; l2++) {
1142                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1143                                              (uint8_t *)&pte, 4);
1144                     pte = le32_to_cpu(pte);
1145                     end = (l1 << 22) + (l2 << 12);
1146                     if (pte & PG_PRESENT_MASK) {
1147                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1148                     } else {
1149                         prot = 0;
1150                     }
1151                     mem_print(&start, &last_prot, end, prot);
1152                 }
1153             }
1154         } else {
1155             prot = 0;
1156             mem_print(&start, &last_prot, end, prot);
1157         }
1158     }
1159 }
1160 #endif
1161
1162 static void do_info_kqemu(void)
1163 {
1164 #ifdef USE_KQEMU
1165     CPUState *env;
1166     int val;
1167     val = 0;
1168     env = mon_get_cpu();
1169     if (!env) {
1170         term_printf("No cpu initialized yet");
1171         return;
1172     }
1173     val = env->kqemu_enabled;
1174     term_printf("kqemu support: ");
1175     switch(val) {
1176     default:
1177     case 0:
1178         term_printf("disabled\n");
1179         break;
1180     case 1:
1181         term_printf("enabled for user code\n");
1182         break;
1183     case 2:
1184         term_printf("enabled for user and kernel code\n");
1185         break;
1186     }
1187 #else
1188     term_printf("kqemu support: not compiled\n");
1189 #endif
1190 }
1191
1192 #ifdef CONFIG_PROFILER
1193
1194 int64_t kqemu_time;
1195 int64_t qemu_time;
1196 int64_t kqemu_exec_count;
1197 int64_t dev_time;
1198 int64_t kqemu_ret_int_count;
1199 int64_t kqemu_ret_excp_count;
1200 int64_t kqemu_ret_intr_count;
1201
1202 static void do_info_profile(void)
1203 {
1204     int64_t total;
1205     total = qemu_time;
1206     if (total == 0)
1207         total = 1;
1208     term_printf("async time  %" PRId64 " (%0.3f)\n",
1209                 dev_time, dev_time / (double)ticks_per_sec);
1210     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1211                 qemu_time, qemu_time / (double)ticks_per_sec);
1212     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1213                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1214                 kqemu_time / (double)total * 100.0,
1215                 kqemu_exec_count,
1216                 kqemu_ret_int_count,
1217                 kqemu_ret_excp_count,
1218                 kqemu_ret_intr_count);
1219     qemu_time = 0;
1220     kqemu_time = 0;
1221     kqemu_exec_count = 0;
1222     dev_time = 0;
1223     kqemu_ret_int_count = 0;
1224     kqemu_ret_excp_count = 0;
1225     kqemu_ret_intr_count = 0;
1226 #ifdef USE_KQEMU
1227     kqemu_record_dump();
1228 #endif
1229 }
1230 #else
1231 static void do_info_profile(void)
1232 {
1233     term_printf("Internal profiler not compiled\n");
1234 }
1235 #endif
1236
1237 /* Capture support */
1238 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1239
1240 static void do_info_capture (void)
1241 {
1242     int i;
1243     CaptureState *s;
1244
1245     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1246         term_printf ("[%d]: ", i);
1247         s->ops.info (s->opaque);
1248     }
1249 }
1250
1251 static void do_stop_capture (int n)
1252 {
1253     int i;
1254     CaptureState *s;
1255
1256     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1257         if (i == n) {
1258             s->ops.destroy (s->opaque);
1259             LIST_REMOVE (s, entries);
1260             qemu_free (s);
1261             return;
1262         }
1263     }
1264 }
1265
1266 #ifdef HAS_AUDIO
1267 int wav_start_capture (CaptureState *s, const char *path, int freq,
1268                        int bits, int nchannels);
1269
1270 static void do_wav_capture (const char *path,
1271                             int has_freq, int freq,
1272                             int has_bits, int bits,
1273                             int has_channels, int nchannels)
1274 {
1275     CaptureState *s;
1276
1277     s = qemu_mallocz (sizeof (*s));
1278     if (!s) {
1279         term_printf ("Not enough memory to add wave capture\n");
1280         return;
1281     }
1282
1283     freq = has_freq ? freq : 44100;
1284     bits = has_bits ? bits : 16;
1285     nchannels = has_channels ? nchannels : 2;
1286
1287     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1288         term_printf ("Faied to add wave capture\n");
1289         qemu_free (s);
1290     }
1291     LIST_INSERT_HEAD (&capture_head, s, entries);
1292 }
1293 #endif
1294
1295 #if defined(TARGET_I386)
1296 static void do_inject_nmi(int cpu_index)
1297 {
1298     CPUState *env;
1299
1300     for (env = first_cpu; env != NULL; env = env->next_cpu)
1301         if (env->cpu_index == cpu_index) {
1302             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1303             break;
1304         }
1305 }
1306 #endif
1307
1308 static term_cmd_t term_cmds[] = {
1309     { "help|?", "s?", do_help,
1310       "[cmd]", "show the help" },
1311     { "commit", "s", do_commit,
1312       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1313     { "info", "s?", do_info,
1314       "subcommand", "show various information about the system state" },
1315     { "q|quit", "", do_quit,
1316       "", "quit the emulator" },
1317     { "eject", "-fB", do_eject,
1318       "[-f] device", "eject a removable medium (use -f to force it)" },
1319     { "change", "BF", do_change,
1320       "device filename", "change a removable medium" },
1321     { "screendump", "F", do_screen_dump,
1322       "filename", "save screen into PPM image 'filename'" },
1323     { "logfile", "F", do_logfile,
1324       "filename", "output logs to 'filename'" },
1325     { "log", "s", do_log,
1326       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1327     { "savevm", "s?", do_savevm,
1328       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1329     { "loadvm", "s", do_loadvm,
1330       "tag|id", "restore a VM snapshot from its tag or id" },
1331     { "delvm", "s", do_delvm,
1332       "tag|id", "delete a VM snapshot from its tag or id" },
1333     { "stop", "", do_stop,
1334       "", "stop emulation", },
1335     { "c|cont", "", do_cont,
1336       "", "resume emulation", },
1337 #ifdef CONFIG_GDBSTUB
1338     { "gdbserver", "s?", do_gdbserver,
1339       "[port]", "start gdbserver session (default port=1234)", },
1340 #endif
1341     { "x", "/l", do_memory_dump,
1342       "/fmt addr", "virtual memory dump starting at 'addr'", },
1343     { "xp", "/l", do_physical_memory_dump,
1344       "/fmt addr", "physical memory dump starting at 'addr'", },
1345     { "p|print", "/l", do_print,
1346       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1347     { "i", "/ii.", do_ioport_read,
1348       "/fmt addr", "I/O port read" },
1349
1350     { "sendkey", "s", do_send_key,
1351       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1352     { "system_reset", "", do_system_reset,
1353       "", "reset the system" },
1354     { "system_powerdown", "", do_system_powerdown,
1355       "", "send system power down event" },
1356     { "sum", "ii", do_sum,
1357       "addr size", "compute the checksum of a memory region" },
1358     { "usb_add", "s", do_usb_add,
1359       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1360     { "usb_del", "s", do_usb_del,
1361       "device", "remove USB device 'bus.addr'" },
1362     { "cpu", "i", do_cpu_set,
1363       "index", "set the default CPU" },
1364     { "mouse_move", "sss?", do_mouse_move,
1365       "dx dy [dz]", "send mouse move events" },
1366     { "mouse_button", "i", do_mouse_button,
1367       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1368     { "mouse_set", "i", do_mouse_set,
1369       "index", "set which mouse device receives events" },
1370 #ifdef HAS_AUDIO
1371     { "wavcapture", "si?i?i?", do_wav_capture,
1372       "path [frequency bits channels]",
1373       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1374 #endif
1375      { "stopcapture", "i", do_stop_capture,
1376        "capture index", "stop capture" },
1377     { "memsave", "lis", do_memory_save,
1378       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1379     { "pmemsave", "lis", do_physical_memory_save,
1380       "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1381     { "boot_set", "s", do_boot_set,
1382       "bootdevice", "define new values for the boot device list" },
1383 #if defined(TARGET_I386)
1384     { "nmi", "i", do_inject_nmi,
1385       "cpu", "inject an NMI on the given CPU", },
1386 #endif
1387     { NULL, NULL, },
1388 };
1389
1390 static term_cmd_t info_cmds[] = {
1391     { "version", "", do_info_version,
1392       "", "show the version of qemu" },
1393     { "network", "", do_info_network,
1394       "", "show the network state" },
1395     { "block", "", do_info_block,
1396       "", "show the block devices" },
1397     { "blockstats", "", do_info_blockstats,
1398       "", "show block device statistics" },
1399     { "registers", "", do_info_registers,
1400       "", "show the cpu registers" },
1401     { "cpus", "", do_info_cpus,
1402       "", "show infos for each CPU" },
1403     { "history", "", do_info_history,
1404       "", "show the command line history", },
1405     { "irq", "", irq_info,
1406       "", "show the interrupts statistics (if available)", },
1407     { "pic", "", pic_info,
1408       "", "show i8259 (PIC) state", },
1409     { "pci", "", pci_info,
1410       "", "show PCI info", },
1411 #if defined(TARGET_I386)
1412     { "tlb", "", tlb_info,
1413       "", "show virtual to physical memory mappings", },
1414     { "mem", "", mem_info,
1415       "", "show the active virtual memory mappings", },
1416 #endif
1417     { "jit", "", do_info_jit,
1418       "", "show dynamic compiler info", },
1419     { "kqemu", "", do_info_kqemu,
1420       "", "show kqemu information", },
1421     { "usb", "", usb_info,
1422       "", "show guest USB devices", },
1423     { "usbhost", "", usb_host_info,
1424       "", "show host USB devices", },
1425     { "profile", "", do_info_profile,
1426       "", "show profiling information", },
1427     { "capture", "", do_info_capture,
1428       "", "show capture information" },
1429     { "snapshots", "", do_info_snapshots,
1430       "", "show the currently saved VM snapshots" },
1431     { "pcmcia", "", pcmcia_info,
1432       "", "show guest PCMCIA status" },
1433     { "mice", "", do_info_mice,
1434       "", "show which guest mouse is receiving events" },
1435     { "vnc", "", do_info_vnc,
1436       "", "show the vnc server status"},
1437     { "name", "", do_info_name,
1438       "", "show the current VM name" },
1439 #if defined(TARGET_PPC)
1440     { "cpustats", "", do_info_cpu_stats,
1441       "", "show CPU statistics", },
1442 #endif
1443 #if defined(CONFIG_SLIRP)
1444     { "slirp", "", do_info_slirp,
1445       "", "show SLIRP statistics", },
1446 #endif
1447     { NULL, NULL, },
1448 };
1449
1450 /*******************************************************************/
1451
1452 static const char *pch;
1453 static jmp_buf expr_env;
1454
1455 #define MD_TLONG 0
1456 #define MD_I32   1
1457
1458 typedef struct MonitorDef {
1459     const char *name;
1460     int offset;
1461     target_long (*get_value)(struct MonitorDef *md, int val);
1462     int type;
1463 } MonitorDef;
1464
1465 #if defined(TARGET_I386)
1466 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1467 {
1468     CPUState *env = mon_get_cpu();
1469     if (!env)
1470         return 0;
1471     return env->eip + env->segs[R_CS].base;
1472 }
1473 #endif
1474
1475 #if defined(TARGET_PPC)
1476 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1477 {
1478     CPUState *env = mon_get_cpu();
1479     unsigned int u;
1480     int i;
1481
1482     if (!env)
1483         return 0;
1484
1485     u = 0;
1486     for (i = 0; i < 8; i++)
1487         u |= env->crf[i] << (32 - (4 * i));
1488
1489     return u;
1490 }
1491
1492 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1493 {
1494     CPUState *env = mon_get_cpu();
1495     if (!env)
1496         return 0;
1497     return env->msr;
1498 }
1499
1500 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1501 {
1502     CPUState *env = mon_get_cpu();
1503     if (!env)
1504         return 0;
1505     return ppc_load_xer(env);
1506 }
1507
1508 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1509 {
1510     CPUState *env = mon_get_cpu();
1511     if (!env)
1512         return 0;
1513     return cpu_ppc_load_decr(env);
1514 }
1515
1516 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1517 {
1518     CPUState *env = mon_get_cpu();
1519     if (!env)
1520         return 0;
1521     return cpu_ppc_load_tbu(env);
1522 }
1523
1524 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1525 {
1526     CPUState *env = mon_get_cpu();
1527     if (!env)
1528         return 0;
1529     return cpu_ppc_load_tbl(env);
1530 }
1531 #endif
1532
1533 #if defined(TARGET_SPARC)
1534 #ifndef TARGET_SPARC64
1535 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1536 {
1537     CPUState *env = mon_get_cpu();
1538     if (!env)
1539         return 0;
1540     return GET_PSR(env);
1541 }
1542 #endif
1543
1544 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1545 {
1546     CPUState *env = mon_get_cpu();
1547     if (!env)
1548         return 0;
1549     return env->regwptr[val];
1550 }
1551 #endif
1552
1553 static MonitorDef monitor_defs[] = {
1554 #ifdef TARGET_I386
1555
1556 #define SEG(name, seg) \
1557     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1558     { name ".base", offsetof(CPUState, segs[seg].base) },\
1559     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1560
1561     { "eax", offsetof(CPUState, regs[0]) },
1562     { "ecx", offsetof(CPUState, regs[1]) },
1563     { "edx", offsetof(CPUState, regs[2]) },
1564     { "ebx", offsetof(CPUState, regs[3]) },
1565     { "esp|sp", offsetof(CPUState, regs[4]) },
1566     { "ebp|fp", offsetof(CPUState, regs[5]) },
1567     { "esi", offsetof(CPUState, regs[6]) },
1568     { "edi", offsetof(CPUState, regs[7]) },
1569 #ifdef TARGET_X86_64
1570     { "r8", offsetof(CPUState, regs[8]) },
1571     { "r9", offsetof(CPUState, regs[9]) },
1572     { "r10", offsetof(CPUState, regs[10]) },
1573     { "r11", offsetof(CPUState, regs[11]) },
1574     { "r12", offsetof(CPUState, regs[12]) },
1575     { "r13", offsetof(CPUState, regs[13]) },
1576     { "r14", offsetof(CPUState, regs[14]) },
1577     { "r15", offsetof(CPUState, regs[15]) },
1578 #endif
1579     { "eflags", offsetof(CPUState, eflags) },
1580     { "eip", offsetof(CPUState, eip) },
1581     SEG("cs", R_CS)
1582     SEG("ds", R_DS)
1583     SEG("es", R_ES)
1584     SEG("ss", R_SS)
1585     SEG("fs", R_FS)
1586     SEG("gs", R_GS)
1587     { "pc", 0, monitor_get_pc, },
1588 #elif defined(TARGET_PPC)
1589     /* General purpose registers */
1590     { "r0", offsetof(CPUState, gpr[0]) },
1591     { "r1", offsetof(CPUState, gpr[1]) },
1592     { "r2", offsetof(CPUState, gpr[2]) },
1593     { "r3", offsetof(CPUState, gpr[3]) },
1594     { "r4", offsetof(CPUState, gpr[4]) },
1595     { "r5", offsetof(CPUState, gpr[5]) },
1596     { "r6", offsetof(CPUState, gpr[6]) },
1597     { "r7", offsetof(CPUState, gpr[7]) },
1598     { "r8", offsetof(CPUState, gpr[8]) },
1599     { "r9", offsetof(CPUState, gpr[9]) },
1600     { "r10", offsetof(CPUState, gpr[10]) },
1601     { "r11", offsetof(CPUState, gpr[11]) },
1602     { "r12", offsetof(CPUState, gpr[12]) },
1603     { "r13", offsetof(CPUState, gpr[13]) },
1604     { "r14", offsetof(CPUState, gpr[14]) },
1605     { "r15", offsetof(CPUState, gpr[15]) },
1606     { "r16", offsetof(CPUState, gpr[16]) },
1607     { "r17", offsetof(CPUState, gpr[17]) },
1608     { "r18", offsetof(CPUState, gpr[18]) },
1609     { "r19", offsetof(CPUState, gpr[19]) },
1610     { "r20", offsetof(CPUState, gpr[20]) },
1611     { "r21", offsetof(CPUState, gpr[21]) },
1612     { "r22", offsetof(CPUState, gpr[22]) },
1613     { "r23", offsetof(CPUState, gpr[23]) },
1614     { "r24", offsetof(CPUState, gpr[24]) },
1615     { "r25", offsetof(CPUState, gpr[25]) },
1616     { "r26", offsetof(CPUState, gpr[26]) },
1617     { "r27", offsetof(CPUState, gpr[27]) },
1618     { "r28", offsetof(CPUState, gpr[28]) },
1619     { "r29", offsetof(CPUState, gpr[29]) },
1620     { "r30", offsetof(CPUState, gpr[30]) },
1621     { "r31", offsetof(CPUState, gpr[31]) },
1622     /* Floating point registers */
1623     { "f0", offsetof(CPUState, fpr[0]) },
1624     { "f1", offsetof(CPUState, fpr[1]) },
1625     { "f2", offsetof(CPUState, fpr[2]) },
1626     { "f3", offsetof(CPUState, fpr[3]) },
1627     { "f4", offsetof(CPUState, fpr[4]) },
1628     { "f5", offsetof(CPUState, fpr[5]) },
1629     { "f6", offsetof(CPUState, fpr[6]) },
1630     { "f7", offsetof(CPUState, fpr[7]) },
1631     { "f8", offsetof(CPUState, fpr[8]) },
1632     { "f9", offsetof(CPUState, fpr[9]) },
1633     { "f10", offsetof(CPUState, fpr[10]) },
1634     { "f11", offsetof(CPUState, fpr[11]) },
1635     { "f12", offsetof(CPUState, fpr[12]) },
1636     { "f13", offsetof(CPUState, fpr[13]) },
1637     { "f14", offsetof(CPUState, fpr[14]) },
1638     { "f15", offsetof(CPUState, fpr[15]) },
1639     { "f16", offsetof(CPUState, fpr[16]) },
1640     { "f17", offsetof(CPUState, fpr[17]) },
1641     { "f18", offsetof(CPUState, fpr[18]) },
1642     { "f19", offsetof(CPUState, fpr[19]) },
1643     { "f20", offsetof(CPUState, fpr[20]) },
1644     { "f21", offsetof(CPUState, fpr[21]) },
1645     { "f22", offsetof(CPUState, fpr[22]) },
1646     { "f23", offsetof(CPUState, fpr[23]) },
1647     { "f24", offsetof(CPUState, fpr[24]) },
1648     { "f25", offsetof(CPUState, fpr[25]) },
1649     { "f26", offsetof(CPUState, fpr[26]) },
1650     { "f27", offsetof(CPUState, fpr[27]) },
1651     { "f28", offsetof(CPUState, fpr[28]) },
1652     { "f29", offsetof(CPUState, fpr[29]) },
1653     { "f30", offsetof(CPUState, fpr[30]) },
1654     { "f31", offsetof(CPUState, fpr[31]) },
1655     { "fpscr", offsetof(CPUState, fpscr) },
1656     /* Next instruction pointer */
1657     { "nip|pc", offsetof(CPUState, nip) },
1658     { "lr", offsetof(CPUState, lr) },
1659     { "ctr", offsetof(CPUState, ctr) },
1660     { "decr", 0, &monitor_get_decr, },
1661     { "ccr", 0, &monitor_get_ccr, },
1662     /* Machine state register */
1663     { "msr", 0, &monitor_get_msr, },
1664     { "xer", 0, &monitor_get_xer, },
1665     { "tbu", 0, &monitor_get_tbu, },
1666     { "tbl", 0, &monitor_get_tbl, },
1667 #if defined(TARGET_PPC64)
1668     /* Address space register */
1669     { "asr", offsetof(CPUState, asr) },
1670 #endif
1671     /* Segment registers */
1672     { "sdr1", offsetof(CPUState, sdr1) },
1673     { "sr0", offsetof(CPUState, sr[0]) },
1674     { "sr1", offsetof(CPUState, sr[1]) },
1675     { "sr2", offsetof(CPUState, sr[2]) },
1676     { "sr3", offsetof(CPUState, sr[3]) },
1677     { "sr4", offsetof(CPUState, sr[4]) },
1678     { "sr5", offsetof(CPUState, sr[5]) },
1679     { "sr6", offsetof(CPUState, sr[6]) },
1680     { "sr7", offsetof(CPUState, sr[7]) },
1681     { "sr8", offsetof(CPUState, sr[8]) },
1682     { "sr9", offsetof(CPUState, sr[9]) },
1683     { "sr10", offsetof(CPUState, sr[10]) },
1684     { "sr11", offsetof(CPUState, sr[11]) },
1685     { "sr12", offsetof(CPUState, sr[12]) },
1686     { "sr13", offsetof(CPUState, sr[13]) },
1687     { "sr14", offsetof(CPUState, sr[14]) },
1688     { "sr15", offsetof(CPUState, sr[15]) },
1689     /* Too lazy to put BATs and SPRs ... */
1690 #elif defined(TARGET_SPARC)
1691     { "g0", offsetof(CPUState, gregs[0]) },
1692     { "g1", offsetof(CPUState, gregs[1]) },
1693     { "g2", offsetof(CPUState, gregs[2]) },
1694     { "g3", offsetof(CPUState, gregs[3]) },
1695     { "g4", offsetof(CPUState, gregs[4]) },
1696     { "g5", offsetof(CPUState, gregs[5]) },
1697     { "g6", offsetof(CPUState, gregs[6]) },
1698     { "g7", offsetof(CPUState, gregs[7]) },
1699     { "o0", 0, monitor_get_reg },
1700     { "o1", 1, monitor_get_reg },
1701     { "o2", 2, monitor_get_reg },
1702     { "o3", 3, monitor_get_reg },
1703     { "o4", 4, monitor_get_reg },
1704     { "o5", 5, monitor_get_reg },
1705     { "o6", 6, monitor_get_reg },
1706     { "o7", 7, monitor_get_reg },
1707     { "l0", 8, monitor_get_reg },
1708     { "l1", 9, monitor_get_reg },
1709     { "l2", 10, monitor_get_reg },
1710     { "l3", 11, monitor_get_reg },
1711     { "l4", 12, monitor_get_reg },
1712     { "l5", 13, monitor_get_reg },
1713     { "l6", 14, monitor_get_reg },
1714     { "l7", 15, monitor_get_reg },
1715     { "i0", 16, monitor_get_reg },
1716     { "i1", 17, monitor_get_reg },
1717     { "i2", 18, monitor_get_reg },
1718     { "i3", 19, monitor_get_reg },
1719     { "i4", 20, monitor_get_reg },
1720     { "i5", 21, monitor_get_reg },
1721     { "i6", 22, monitor_get_reg },
1722     { "i7", 23, monitor_get_reg },
1723     { "pc", offsetof(CPUState, pc) },
1724     { "npc", offsetof(CPUState, npc) },
1725     { "y", offsetof(CPUState, y) },
1726 #ifndef TARGET_SPARC64
1727     { "psr", 0, &monitor_get_psr, },
1728     { "wim", offsetof(CPUState, wim) },
1729 #endif
1730     { "tbr", offsetof(CPUState, tbr) },
1731     { "fsr", offsetof(CPUState, fsr) },
1732     { "f0", offsetof(CPUState, fpr[0]) },
1733     { "f1", offsetof(CPUState, fpr[1]) },
1734     { "f2", offsetof(CPUState, fpr[2]) },
1735     { "f3", offsetof(CPUState, fpr[3]) },
1736     { "f4", offsetof(CPUState, fpr[4]) },
1737     { "f5", offsetof(CPUState, fpr[5]) },
1738     { "f6", offsetof(CPUState, fpr[6]) },
1739     { "f7", offsetof(CPUState, fpr[7]) },
1740     { "f8", offsetof(CPUState, fpr[8]) },
1741     { "f9", offsetof(CPUState, fpr[9]) },
1742     { "f10", offsetof(CPUState, fpr[10]) },
1743     { "f11", offsetof(CPUState, fpr[11]) },
1744     { "f12", offsetof(CPUState, fpr[12]) },
1745     { "f13", offsetof(CPUState, fpr[13]) },
1746     { "f14", offsetof(CPUState, fpr[14]) },
1747     { "f15", offsetof(CPUState, fpr[15]) },
1748     { "f16", offsetof(CPUState, fpr[16]) },
1749     { "f17", offsetof(CPUState, fpr[17]) },
1750     { "f18", offsetof(CPUState, fpr[18]) },
1751     { "f19", offsetof(CPUState, fpr[19]) },
1752     { "f20", offsetof(CPUState, fpr[20]) },
1753     { "f21", offsetof(CPUState, fpr[21]) },
1754     { "f22", offsetof(CPUState, fpr[22]) },
1755     { "f23", offsetof(CPUState, fpr[23]) },
1756     { "f24", offsetof(CPUState, fpr[24]) },
1757     { "f25", offsetof(CPUState, fpr[25]) },
1758     { "f26", offsetof(CPUState, fpr[26]) },
1759     { "f27", offsetof(CPUState, fpr[27]) },
1760     { "f28", offsetof(CPUState, fpr[28]) },
1761     { "f29", offsetof(CPUState, fpr[29]) },
1762     { "f30", offsetof(CPUState, fpr[30]) },
1763     { "f31", offsetof(CPUState, fpr[31]) },
1764 #ifdef TARGET_SPARC64
1765     { "f32", offsetof(CPUState, fpr[32]) },
1766     { "f34", offsetof(CPUState, fpr[34]) },
1767     { "f36", offsetof(CPUState, fpr[36]) },
1768     { "f38", offsetof(CPUState, fpr[38]) },
1769     { "f40", offsetof(CPUState, fpr[40]) },
1770     { "f42", offsetof(CPUState, fpr[42]) },
1771     { "f44", offsetof(CPUState, fpr[44]) },
1772     { "f46", offsetof(CPUState, fpr[46]) },
1773     { "f48", offsetof(CPUState, fpr[48]) },
1774     { "f50", offsetof(CPUState, fpr[50]) },
1775     { "f52", offsetof(CPUState, fpr[52]) },
1776     { "f54", offsetof(CPUState, fpr[54]) },
1777     { "f56", offsetof(CPUState, fpr[56]) },
1778     { "f58", offsetof(CPUState, fpr[58]) },
1779     { "f60", offsetof(CPUState, fpr[60]) },
1780     { "f62", offsetof(CPUState, fpr[62]) },
1781     { "asi", offsetof(CPUState, asi) },
1782     { "pstate", offsetof(CPUState, pstate) },
1783     { "cansave", offsetof(CPUState, cansave) },
1784     { "canrestore", offsetof(CPUState, canrestore) },
1785     { "otherwin", offsetof(CPUState, otherwin) },
1786     { "wstate", offsetof(CPUState, wstate) },
1787     { "cleanwin", offsetof(CPUState, cleanwin) },
1788     { "fprs", offsetof(CPUState, fprs) },
1789 #endif
1790 #endif
1791     { NULL },
1792 };
1793
1794 static void expr_error(const char *fmt)
1795 {
1796     term_printf(fmt);
1797     term_printf("\n");
1798     longjmp(expr_env, 1);
1799 }
1800
1801 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1802 static int get_monitor_def(target_long *pval, const char *name)
1803 {
1804     MonitorDef *md;
1805     void *ptr;
1806
1807     for(md = monitor_defs; md->name != NULL; md++) {
1808         if (compare_cmd(name, md->name)) {
1809             if (md->get_value) {
1810                 *pval = md->get_value(md, md->offset);
1811             } else {
1812                 CPUState *env = mon_get_cpu();
1813                 if (!env)
1814                     return -2;
1815                 ptr = (uint8_t *)env + md->offset;
1816                 switch(md->type) {
1817                 case MD_I32:
1818                     *pval = *(int32_t *)ptr;
1819                     break;
1820                 case MD_TLONG:
1821                     *pval = *(target_long *)ptr;
1822                     break;
1823                 default:
1824                     *pval = 0;
1825                     break;
1826                 }
1827             }
1828             return 0;
1829         }
1830     }
1831     return -1;
1832 }
1833
1834 static void next(void)
1835 {
1836     if (pch != '\0') {
1837         pch++;
1838         while (isspace(*pch))
1839             pch++;
1840     }
1841 }
1842
1843 static int64_t expr_sum(void);
1844
1845 static int64_t expr_unary(void)
1846 {
1847     int64_t n;
1848     char *p;
1849     int ret;
1850
1851     switch(*pch) {
1852     case '+':
1853         next();
1854         n = expr_unary();
1855         break;
1856     case '-':
1857         next();
1858         n = -expr_unary();
1859         break;
1860     case '~':
1861         next();
1862         n = ~expr_unary();
1863         break;
1864     case '(':
1865         next();
1866         n = expr_sum();
1867         if (*pch != ')') {
1868             expr_error("')' expected");
1869         }
1870         next();
1871         break;
1872     case '\'':
1873         pch++;
1874         if (*pch == '\0')
1875             expr_error("character constant expected");
1876         n = *pch;
1877         pch++;
1878         if (*pch != '\'')
1879             expr_error("missing terminating \' character");
1880         next();
1881         break;
1882     case '$':
1883         {
1884             char buf[128], *q;
1885             target_long reg=0;
1886
1887             pch++;
1888             q = buf;
1889             while ((*pch >= 'a' && *pch <= 'z') ||
1890                    (*pch >= 'A' && *pch <= 'Z') ||
1891                    (*pch >= '0' && *pch <= '9') ||
1892                    *pch == '_' || *pch == '.') {
1893                 if ((q - buf) < sizeof(buf) - 1)
1894                     *q++ = *pch;
1895                 pch++;
1896             }
1897             while (isspace(*pch))
1898                 pch++;
1899             *q = 0;
1900             ret = get_monitor_def(&reg, buf);
1901             if (ret == -1)
1902                 expr_error("unknown register");
1903             else if (ret == -2)
1904                 expr_error("no cpu defined");
1905             n = reg;
1906         }
1907         break;
1908     case '\0':
1909         expr_error("unexpected end of expression");
1910         n = 0;
1911         break;
1912     default:
1913 #if TARGET_PHYS_ADDR_BITS > 32
1914         n = strtoull(pch, &p, 0);
1915 #else
1916         n = strtoul(pch, &p, 0);
1917 #endif
1918         if (pch == p) {
1919             expr_error("invalid char in expression");
1920         }
1921         pch = p;
1922         while (isspace(*pch))
1923             pch++;
1924         break;
1925     }
1926     return n;
1927 }
1928
1929
1930 static int64_t expr_prod(void)
1931 {
1932     int64_t val, val2;
1933     int op;
1934
1935     val = expr_unary();
1936     for(;;) {
1937         op = *pch;
1938         if (op != '*' && op != '/' && op != '%')
1939             break;
1940         next();
1941         val2 = expr_unary();
1942         switch(op) {
1943         default:
1944         case '*':
1945             val *= val2;
1946             break;
1947         case '/':
1948         case '%':
1949             if (val2 == 0)
1950                 expr_error("division by zero");
1951             if (op == '/')
1952                 val /= val2;
1953             else
1954                 val %= val2;
1955             break;
1956         }
1957     }
1958     return val;
1959 }
1960
1961 static int64_t expr_logic(void)
1962 {
1963     int64_t val, val2;
1964     int op;
1965
1966     val = expr_prod();
1967     for(;;) {
1968         op = *pch;
1969         if (op != '&' && op != '|' && op != '^')
1970             break;
1971         next();
1972         val2 = expr_prod();
1973         switch(op) {
1974         default:
1975         case '&':
1976             val &= val2;
1977             break;
1978         case '|':
1979             val |= val2;
1980             break;
1981         case '^':
1982             val ^= val2;
1983             break;
1984         }
1985     }
1986     return val;
1987 }
1988
1989 static int64_t expr_sum(void)
1990 {
1991     int64_t val, val2;
1992     int op;
1993
1994     val = expr_logic();
1995     for(;;) {
1996         op = *pch;
1997         if (op != '+' && op != '-')
1998             break;
1999         next();
2000         val2 = expr_logic();
2001         if (op == '+')
2002             val += val2;
2003         else
2004             val -= val2;
2005     }
2006     return val;
2007 }
2008
2009 static int get_expr(int64_t *pval, const char **pp)
2010 {
2011     pch = *pp;
2012     if (setjmp(expr_env)) {
2013         *pp = pch;
2014         return -1;
2015     }
2016     while (isspace(*pch))
2017         pch++;
2018     *pval = expr_sum();
2019     *pp = pch;
2020     return 0;
2021 }
2022
2023 static int get_str(char *buf, int buf_size, const char **pp)
2024 {
2025     const char *p;
2026     char *q;
2027     int c;
2028
2029     q = buf;
2030     p = *pp;
2031     while (isspace(*p))
2032         p++;
2033     if (*p == '\0') {
2034     fail:
2035         *q = '\0';
2036         *pp = p;
2037         return -1;
2038     }
2039     if (*p == '\"') {
2040         p++;
2041         while (*p != '\0' && *p != '\"') {
2042             if (*p == '\\') {
2043                 p++;
2044                 c = *p++;
2045                 switch(c) {
2046                 case 'n':
2047                     c = '\n';
2048                     break;
2049                 case 'r':
2050                     c = '\r';
2051                     break;
2052                 case '\\':
2053                 case '\'':
2054                 case '\"':
2055                     break;
2056                 default:
2057                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2058                     goto fail;
2059                 }
2060                 if ((q - buf) < buf_size - 1) {
2061                     *q++ = c;
2062                 }
2063             } else {
2064                 if ((q - buf) < buf_size - 1) {
2065                     *q++ = *p;
2066                 }
2067                 p++;
2068             }
2069         }
2070         if (*p != '\"') {
2071             qemu_printf("unterminated string\n");
2072             goto fail;
2073         }
2074         p++;
2075     } else {
2076         while (*p != '\0' && !isspace(*p)) {
2077             if ((q - buf) < buf_size - 1) {
2078                 *q++ = *p;
2079             }
2080             p++;
2081         }
2082     }
2083     *q = '\0';
2084     *pp = p;
2085     return 0;
2086 }
2087
2088 static int default_fmt_format = 'x';
2089 static int default_fmt_size = 4;
2090
2091 #define MAX_ARGS 16
2092
2093 static void monitor_handle_command(const char *cmdline)
2094 {
2095     const char *p, *pstart, *typestr;
2096     char *q;
2097     int c, nb_args, len, i, has_arg;
2098     term_cmd_t *cmd;
2099     char cmdname[256];
2100     char buf[1024];
2101     void *str_allocated[MAX_ARGS];
2102     void *args[MAX_ARGS];
2103
2104 #ifdef DEBUG
2105     term_printf("command='%s'\n", cmdline);
2106 #endif
2107
2108     /* extract the command name */
2109     p = cmdline;
2110     q = cmdname;
2111     while (isspace(*p))
2112         p++;
2113     if (*p == '\0')
2114         return;
2115     pstart = p;
2116     while (*p != '\0' && *p != '/' && !isspace(*p))
2117         p++;
2118     len = p - pstart;
2119     if (len > sizeof(cmdname) - 1)
2120         len = sizeof(cmdname) - 1;
2121     memcpy(cmdname, pstart, len);
2122     cmdname[len] = '\0';
2123
2124     /* find the command */
2125     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2126         if (compare_cmd(cmdname, cmd->name))
2127             goto found;
2128     }
2129     term_printf("unknown command: '%s'\n", cmdname);
2130     return;
2131  found:
2132
2133     for(i = 0; i < MAX_ARGS; i++)
2134         str_allocated[i] = NULL;
2135
2136     /* parse the parameters */
2137     typestr = cmd->args_type;
2138     nb_args = 0;
2139     for(;;) {
2140         c = *typestr;
2141         if (c == '\0')
2142             break;
2143         typestr++;
2144         switch(c) {
2145         case 'F':
2146         case 'B':
2147         case 's':
2148             {
2149                 int ret;
2150                 char *str;
2151
2152                 while (isspace(*p))
2153                     p++;
2154                 if (*typestr == '?') {
2155                     typestr++;
2156                     if (*p == '\0') {
2157                         /* no optional string: NULL argument */
2158                         str = NULL;
2159                         goto add_str;
2160                     }
2161                 }
2162                 ret = get_str(buf, sizeof(buf), &p);
2163                 if (ret < 0) {
2164                     switch(c) {
2165                     case 'F':
2166                         term_printf("%s: filename expected\n", cmdname);
2167                         break;
2168                     case 'B':
2169                         term_printf("%s: block device name expected\n", cmdname);
2170                         break;
2171                     default:
2172                         term_printf("%s: string expected\n", cmdname);
2173                         break;
2174                     }
2175                     goto fail;
2176                 }
2177                 str = qemu_malloc(strlen(buf) + 1);
2178                 strcpy(str, buf);
2179                 str_allocated[nb_args] = str;
2180             add_str:
2181                 if (nb_args >= MAX_ARGS) {
2182                 error_args:
2183                     term_printf("%s: too many arguments\n", cmdname);
2184                     goto fail;
2185                 }
2186                 args[nb_args++] = str;
2187             }
2188             break;
2189         case '/':
2190             {
2191                 int count, format, size;
2192
2193                 while (isspace(*p))
2194                     p++;
2195                 if (*p == '/') {
2196                     /* format found */
2197                     p++;
2198                     count = 1;
2199                     if (isdigit(*p)) {
2200                         count = 0;
2201                         while (isdigit(*p)) {
2202                             count = count * 10 + (*p - '0');
2203                             p++;
2204                         }
2205                     }
2206                     size = -1;
2207                     format = -1;
2208                     for(;;) {
2209                         switch(*p) {
2210                         case 'o':
2211                         case 'd':
2212                         case 'u':
2213                         case 'x':
2214                         case 'i':
2215                         case 'c':
2216                             format = *p++;
2217                             break;
2218                         case 'b':
2219                             size = 1;
2220                             p++;
2221                             break;
2222                         case 'h':
2223                             size = 2;
2224                             p++;
2225                             break;
2226                         case 'w':
2227                             size = 4;
2228                             p++;
2229                             break;
2230                         case 'g':
2231                         case 'L':
2232                             size = 8;
2233                             p++;
2234                             break;
2235                         default:
2236                             goto next;
2237                         }
2238                     }
2239                 next:
2240                     if (*p != '\0' && !isspace(*p)) {
2241                         term_printf("invalid char in format: '%c'\n", *p);
2242                         goto fail;
2243                     }
2244                     if (format < 0)
2245                         format = default_fmt_format;
2246                     if (format != 'i') {
2247                         /* for 'i', not specifying a size gives -1 as size */
2248                         if (size < 0)
2249                             size = default_fmt_size;
2250                     }
2251                     default_fmt_size = size;
2252                     default_fmt_format = format;
2253                 } else {
2254                     count = 1;
2255                     format = default_fmt_format;
2256                     if (format != 'i') {
2257                         size = default_fmt_size;
2258                     } else {
2259                         size = -1;
2260                     }
2261                 }
2262                 if (nb_args + 3 > MAX_ARGS)
2263                     goto error_args;
2264                 args[nb_args++] = (void*)(long)count;
2265                 args[nb_args++] = (void*)(long)format;
2266                 args[nb_args++] = (void*)(long)size;
2267             }
2268             break;
2269         case 'i':
2270         case 'l':
2271             {
2272                 int64_t val;
2273
2274                 while (isspace(*p))
2275                     p++;
2276                 if (*typestr == '?' || *typestr == '.') {
2277                     if (*typestr == '?') {
2278                         if (*p == '\0')
2279                             has_arg = 0;
2280                         else
2281                             has_arg = 1;
2282                     } else {
2283                         if (*p == '.') {
2284                             p++;
2285                             while (isspace(*p))
2286                                 p++;
2287                             has_arg = 1;
2288                         } else {
2289                             has_arg = 0;
2290                         }
2291                     }
2292                     typestr++;
2293                     if (nb_args >= MAX_ARGS)
2294                         goto error_args;
2295                     args[nb_args++] = (void *)(long)has_arg;
2296                     if (!has_arg) {
2297                         if (nb_args >= MAX_ARGS)
2298                             goto error_args;
2299                         val = -1;
2300                         goto add_num;
2301                     }
2302                 }
2303                 if (get_expr(&val, &p))
2304                     goto fail;
2305             add_num:
2306                 if (c == 'i') {
2307                     if (nb_args >= MAX_ARGS)
2308                         goto error_args;
2309                     args[nb_args++] = (void *)(long)val;
2310                 } else {
2311                     if ((nb_args + 1) >= MAX_ARGS)
2312                         goto error_args;
2313 #if TARGET_PHYS_ADDR_BITS > 32
2314                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2315 #else
2316                     args[nb_args++] = (void *)0;
2317 #endif
2318                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2319                 }
2320             }
2321             break;
2322         case '-':
2323             {
2324                 int has_option;
2325                 /* option */
2326
2327                 c = *typestr++;
2328                 if (c == '\0')
2329                     goto bad_type;
2330                 while (isspace(*p))
2331                     p++;
2332                 has_option = 0;
2333                 if (*p == '-') {
2334                     p++;
2335                     if (*p != c) {
2336                         term_printf("%s: unsupported option -%c\n",
2337                                     cmdname, *p);
2338                         goto fail;
2339                     }
2340                     p++;
2341                     has_option = 1;
2342                 }
2343                 if (nb_args >= MAX_ARGS)
2344                     goto error_args;
2345                 args[nb_args++] = (void *)(long)has_option;
2346             }
2347             break;
2348         default:
2349         bad_type:
2350             term_printf("%s: unknown type '%c'\n", cmdname, c);
2351             goto fail;
2352         }
2353     }
2354     /* check that all arguments were parsed */
2355     while (isspace(*p))
2356         p++;
2357     if (*p != '\0') {
2358         term_printf("%s: extraneous characters at the end of line\n",
2359                     cmdname);
2360         goto fail;
2361     }
2362
2363     switch(nb_args) {
2364     case 0:
2365         cmd->handler();
2366         break;
2367     case 1:
2368         cmd->handler(args[0]);
2369         break;
2370     case 2:
2371         cmd->handler(args[0], args[1]);
2372         break;
2373     case 3:
2374         cmd->handler(args[0], args[1], args[2]);
2375         break;
2376     case 4:
2377         cmd->handler(args[0], args[1], args[2], args[3]);
2378         break;
2379     case 5:
2380         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2381         break;
2382     case 6:
2383         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2384         break;
2385     case 7:
2386         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2387         break;
2388     default:
2389         term_printf("unsupported number of arguments: %d\n", nb_args);
2390         goto fail;
2391     }
2392  fail:
2393     for(i = 0; i < MAX_ARGS; i++)
2394         qemu_free(str_allocated[i]);
2395     return;
2396 }
2397
2398 static void cmd_completion(const char *name, const char *list)
2399 {
2400     const char *p, *pstart;
2401     char cmd[128];
2402     int len;
2403
2404     p = list;
2405     for(;;) {
2406         pstart = p;
2407         p = strchr(p, '|');
2408         if (!p)
2409             p = pstart + strlen(pstart);
2410         len = p - pstart;
2411         if (len > sizeof(cmd) - 2)
2412             len = sizeof(cmd) - 2;
2413         memcpy(cmd, pstart, len);
2414         cmd[len] = '\0';
2415         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2416             add_completion(cmd);
2417         }
2418         if (*p == '\0')
2419             break;
2420         p++;
2421     }
2422 }
2423
2424 static void file_completion(const char *input)
2425 {
2426     DIR *ffs;
2427     struct dirent *d;
2428     char path[1024];
2429     char file[1024], file_prefix[1024];
2430     int input_path_len;
2431     const char *p;
2432
2433     p = strrchr(input, '/');
2434     if (!p) {
2435         input_path_len = 0;
2436         pstrcpy(file_prefix, sizeof(file_prefix), input);
2437         strcpy(path, ".");
2438     } else {
2439         input_path_len = p - input + 1;
2440         memcpy(path, input, input_path_len);
2441         if (input_path_len > sizeof(path) - 1)
2442             input_path_len = sizeof(path) - 1;
2443         path[input_path_len] = '\0';
2444         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2445     }
2446 #ifdef DEBUG_COMPLETION
2447     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2448 #endif
2449     ffs = opendir(path);
2450     if (!ffs)
2451         return;
2452     for(;;) {
2453         struct stat sb;
2454         d = readdir(ffs);
2455         if (!d)
2456             break;
2457         if (strstart(d->d_name, file_prefix, NULL)) {
2458             memcpy(file, input, input_path_len);
2459             strcpy(file + input_path_len, d->d_name);
2460             /* stat the file to find out if it's a directory.
2461              * In that case add a slash to speed up typing long paths
2462              */
2463             stat(file, &sb);
2464             if(S_ISDIR(sb.st_mode))
2465                 strcat(file, "/");
2466             add_completion(file);
2467         }
2468     }
2469     closedir(ffs);
2470 }
2471
2472 static void block_completion_it(void *opaque, const char *name)
2473 {
2474     const char *input = opaque;
2475
2476     if (input[0] == '\0' ||
2477         !strncmp(name, (char *)input, strlen(input))) {
2478         add_completion(name);
2479     }
2480 }
2481
2482 /* NOTE: this parser is an approximate form of the real command parser */
2483 static void parse_cmdline(const char *cmdline,
2484                          int *pnb_args, char **args)
2485 {
2486     const char *p;
2487     int nb_args, ret;
2488     char buf[1024];
2489
2490     p = cmdline;
2491     nb_args = 0;
2492     for(;;) {
2493         while (isspace(*p))
2494             p++;
2495         if (*p == '\0')
2496             break;
2497         if (nb_args >= MAX_ARGS)
2498             break;
2499         ret = get_str(buf, sizeof(buf), &p);
2500         args[nb_args] = qemu_strdup(buf);
2501         nb_args++;
2502         if (ret < 0)
2503             break;
2504     }
2505     *pnb_args = nb_args;
2506 }
2507
2508 void readline_find_completion(const char *cmdline)
2509 {
2510     const char *cmdname;
2511     char *args[MAX_ARGS];
2512     int nb_args, i, len;
2513     const char *ptype, *str;
2514     term_cmd_t *cmd;
2515     const KeyDef *key;
2516
2517     parse_cmdline(cmdline, &nb_args, args);
2518 #ifdef DEBUG_COMPLETION
2519     for(i = 0; i < nb_args; i++) {
2520         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2521     }
2522 #endif
2523
2524     /* if the line ends with a space, it means we want to complete the
2525        next arg */
2526     len = strlen(cmdline);
2527     if (len > 0 && isspace(cmdline[len - 1])) {
2528         if (nb_args >= MAX_ARGS)
2529             return;
2530         args[nb_args++] = qemu_strdup("");
2531     }
2532     if (nb_args <= 1) {
2533         /* command completion */
2534         if (nb_args == 0)
2535             cmdname = "";
2536         else
2537             cmdname = args[0];
2538         completion_index = strlen(cmdname);
2539         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2540             cmd_completion(cmdname, cmd->name);
2541         }
2542     } else {
2543         /* find the command */
2544         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2545             if (compare_cmd(args[0], cmd->name))
2546                 goto found;
2547         }
2548         return;
2549     found:
2550         ptype = cmd->args_type;
2551         for(i = 0; i < nb_args - 2; i++) {
2552             if (*ptype != '\0') {
2553                 ptype++;
2554                 while (*ptype == '?')
2555                     ptype++;
2556             }
2557         }
2558         str = args[nb_args - 1];
2559         switch(*ptype) {
2560         case 'F':
2561             /* file completion */
2562             completion_index = strlen(str);
2563             file_completion(str);
2564             break;
2565         case 'B':
2566             /* block device name completion */
2567             completion_index = strlen(str);
2568             bdrv_iterate(block_completion_it, (void *)str);
2569             break;
2570         case 's':
2571             /* XXX: more generic ? */
2572             if (!strcmp(cmd->name, "info")) {
2573                 completion_index = strlen(str);
2574                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2575                     cmd_completion(str, cmd->name);
2576                 }
2577             } else if (!strcmp(cmd->name, "sendkey")) {
2578                 completion_index = strlen(str);
2579                 for(key = key_defs; key->name != NULL; key++) {
2580                     cmd_completion(str, key->name);
2581                 }
2582             }
2583             break;
2584         default:
2585             break;
2586         }
2587     }
2588     for(i = 0; i < nb_args; i++)
2589         qemu_free(args[i]);
2590 }
2591
2592 static int term_can_read(void *opaque)
2593 {
2594     return 128;
2595 }
2596
2597 static void term_read(void *opaque, const uint8_t *buf, int size)
2598 {
2599     int i;
2600     for(i = 0; i < size; i++)
2601         readline_handle_byte(buf[i]);
2602 }
2603
2604 static void monitor_start_input(void);
2605
2606 static void monitor_handle_command1(void *opaque, const char *cmdline)
2607 {
2608     monitor_handle_command(cmdline);
2609     monitor_start_input();
2610 }
2611
2612 static void monitor_start_input(void)
2613 {
2614     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2615 }
2616
2617 static void term_event(void *opaque, int event)
2618 {
2619     if (event != CHR_EVENT_RESET)
2620         return;
2621
2622     if (!hide_banner)
2623             term_printf("QEMU %s monitor - type 'help' for more information\n",
2624                         QEMU_VERSION);
2625     monitor_start_input();
2626 }
2627
2628 static int is_first_init = 1;
2629
2630 void monitor_init(CharDriverState *hd, int show_banner)
2631 {
2632     int i;
2633
2634     if (is_first_init) {
2635         for (i = 0; i < MAX_MON; i++) {
2636             monitor_hd[i] = NULL;
2637         }
2638         is_first_init = 0;
2639     }
2640     for (i = 0; i < MAX_MON; i++) {
2641         if (monitor_hd[i] == NULL) {
2642             monitor_hd[i] = hd;
2643             break;
2644         }
2645     }
2646
2647     hide_banner = !show_banner;
2648
2649     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2650
2651     readline_start("", 0, monitor_handle_command1, NULL);
2652 }
2653
2654 /* XXX: use threads ? */
2655 /* modal monitor readline */
2656 static int monitor_readline_started;
2657 static char *monitor_readline_buf;
2658 static int monitor_readline_buf_size;
2659
2660 static void monitor_readline_cb(void *opaque, const char *input)
2661 {
2662     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2663     monitor_readline_started = 0;
2664 }
2665
2666 void monitor_readline(const char *prompt, int is_password,
2667                       char *buf, int buf_size)
2668 {
2669     int i;
2670
2671     if (is_password) {
2672         for (i = 0; i < MAX_MON; i++)
2673             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2674                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2675     }
2676     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2677     monitor_readline_buf = buf;
2678     monitor_readline_buf_size = buf_size;
2679     monitor_readline_started = 1;
2680     while (monitor_readline_started) {
2681         main_loop_wait(10);
2682     }
2683 }