monitor.c

   1 /*
   2  * QEMU monitor
   3  *
   4  * Copyright (c) 2003-2004 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include "hw/hw.h"
  25 #include "hw/usb.h"
  26 #include "hw/pcmcia.h"
  27 #include "hw/pc.h"
  28 #include "hw/pci.h"
  29 #include "gdbstub.h"
  30 #include "net.h"
  31 #include "qemu-char.h"
  32 #include "sysemu.h"
  33 #include "console.h"
  34 #include "block.h"
  35 #include "audio/audio.h"
  36 #include "disas.h"
  37 #include <dirent.h>
  38
  39 #ifdef CONFIG_PROFILER
  40 #include "qemu-timer.h" /* for ticks_per_sec */
  41 #endif
  42
  43 //#define DEBUG
  44 //#define DEBUG_COMPLETION
  45
  46 #ifndef offsetof
  47 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  48 #endif
  49
  50 /*
  51  * Supported types:
  52  *
  53  * 'F'          filename
  54  * 'B'          block device name
  55  * 's'          string (accept optional quote)
  56  * 'i'          32 bit integer
  57  * 'l'          target long (32 or 64 bit)
  58  * '/'          optional gdb-like print format (like "/10x")
  59  *
  60  * '?'          optional type (for 'F', 's' and 'i')
  61  *
  62  */
  63
  64 typedef struct term_cmd_t {
  65     const char *name;
  66     const char *args_type;
  67     void (*handler)();
  68     const char *params;
  69     const char *help;
  70 } term_cmd_t;
  71
  72 #define MAX_MON 4
  73 static CharDriverState *monitor_hd[MAX_MON];
  74 static int hide_banner;
  75
  76 static term_cmd_t term_cmds[];
  77 static term_cmd_t info_cmds[];
  78
  79 static uint8_t term_outbuf[1024];
  80 static int term_outbuf_index;
  81
  82 static void monitor_start_input(void);
  83
  84 CPUState *mon_cpu = NULL;
  85
  86 void term_flush(void)
  87 {
  88     int i;
  89     if (term_outbuf_index > 0) {
  90         for (i = 0; i < MAX_MON; i++)
  91             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  92                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  93         term_outbuf_index = 0;
  94     }
  95 }
  96
  97 /* flush at every end of line or if the buffer is full */
  98 void term_puts(const char *str)
  99 {
 100     char c;
 101     for(;;) {
 102         c = *str++;
 103         if (c == '\0')
 104             break;
 105         if (c == '\n')
 106             term_outbuf[term_outbuf_index++] = '\r';
 107         term_outbuf[term_outbuf_index++] = c;
 108         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 109             c == '\n')
 110             term_flush();
 111     }
 112 }
 113
 114 void term_vprintf(const char *fmt, va_list ap)
 115 {
 116     char buf[4096];
 117     vsnprintf(buf, sizeof(buf), fmt, ap);
 118     term_puts(buf);
 119 }
 120
 121 void term_printf(const char *fmt, ...)
 122 {
 123     va_list ap;
 124     va_start(ap, fmt);
 125     term_vprintf(fmt, ap);
 126     va_end(ap);
 127 }
 128
 129 void term_print_filename(const char *filename)
 130 {
 131     int i;
 132
 133     for (i = 0; filename[i]; i++) {
 134         switch (filename[i]) {
 135         case ' ':
 136         case '"':
 137         case '\\':
 138             term_printf("\\%c", filename[i]);
 139             break;
 140         case '\t':
 141             term_printf("\\t");
 142             break;
 143         case '\r':
 144             term_printf("\\r");
 145             break;
 146         case '\n':
 147             term_printf("\\n");
 148             break;
 149         default:
 150             term_printf("%c", filename[i]);
 151             break;
 152         }
 153     }
 154 }
 155
 156 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 157 {
 158     va_list ap;
 159     va_start(ap, fmt);
 160     term_vprintf(fmt, ap);
 161     va_end(ap);
 162     return 0;
 163 }
 164
 165 static int compare_cmd(const char *name, const char *list)
 166 {
 167     const char *p, *pstart;
 168     int len;
 169     len = strlen(name);
 170     p = list;
 171     for(;;) {
 172         pstart = p;
 173         p = strchr(p, '|');
 174         if (!p)
 175             p = pstart + strlen(pstart);
 176         if ((p - pstart) == len && !memcmp(pstart, name, len))
 177             return 1;
 178         if (*p == '\0')
 179             break;
 180         p++;
 181     }
 182     return 0;
 183 }
 184
 185 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 186 {
 187     term_cmd_t *cmd;
 188
 189     for(cmd = cmds; cmd->name != NULL; cmd++) {
 190         if (!name || !strcmp(name, cmd->name))
 191             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 192     }
 193 }
 194
 195 static void help_cmd(const char *name)
 196 {
 197     if (name && !strcmp(name, "info")) {
 198         help_cmd1(info_cmds, "info ", NULL);
 199     } else {
 200         help_cmd1(term_cmds, "", name);
 201         if (name && !strcmp(name, "log")) {
 202             CPULogItem *item;
 203             term_printf("Log items (comma separated):\n");
 204             term_printf("%-10s %s\n", "none", "remove all logs");
 205             for(item = cpu_log_items; item->mask != 0; item++) {
 206                 term_printf("%-10s %s\n", item->name, item->help);
 207             }
 208         }
 209     }
 210 }
 211
 212 static void do_help(const char *name)
 213 {
 214     help_cmd(name);
 215 }
 216
 217 static void do_commit(const char *device)
 218 {
 219     int i, all_devices;
 220
 221     all_devices = !strcmp(device, "all");
 222     for (i = 0; i < nb_drives; i++) {
 223             if (all_devices ||
 224                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 225                 bdrv_commit(drives_table[i].bdrv);
 226     }
 227 }
 228
 229 static void do_info(const char *item)
 230 {
 231     term_cmd_t *cmd;
 232
 233     if (!item)
 234         goto help;
 235     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 236         if (compare_cmd(item, cmd->name))
 237             goto found;
 238     }
 239  help:
 240     help_cmd("info");
 241     return;
 242  found:
 243     cmd->handler();
 244 }
 245
 246 static void do_info_version(void)
 247 {
 248   term_printf("%s\n", QEMU_VERSION);
 249 }
 250
 251 static void do_info_name(void)
 252 {
 253     if (qemu_name)
 254         term_printf("%s\n", qemu_name);
 255 }
 256
 257 static void do_info_block(void)
 258 {
 259     bdrv_info();
 260 }
 261
 262 static void do_info_blockstats(void)
 263 {
 264     bdrv_info_stats();
 265 }
 266
 267 /* get the current CPU defined by the user */
 268 static int mon_set_cpu(int cpu_index)
 269 {
 270     CPUState *env;
 271
 272     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 273         if (env->cpu_index == cpu_index) {
 274             mon_cpu = env;
 275             return 0;
 276         }
 277     }
 278     return -1;
 279 }
 280
 281 static CPUState *mon_get_cpu(void)
 282 {
 283     if (!mon_cpu) {
 284         mon_set_cpu(0);
 285     }
 286     return mon_cpu;
 287 }
 288
 289 static void do_info_registers(void)
 290 {
 291     CPUState *env;
 292     env = mon_get_cpu();
 293     if (!env)
 294         return;
 295 #ifdef TARGET_I386
 296     cpu_dump_state(env, NULL, monitor_fprintf,
 297                    X86_DUMP_FPU);
 298 #else
 299     cpu_dump_state(env, NULL, monitor_fprintf,
 300                    0);
 301 #endif
 302 }
 303
 304 static void do_info_cpus(void)
 305 {
 306     CPUState *env;
 307
 308     /* just to set the default cpu if not already done */
 309     mon_get_cpu();
 310
 311     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 312         term_printf("%c CPU #%d:",
 313                     (env == mon_cpu) ? '*' : ' ',
 314                     env->cpu_index);
 315 #if defined(TARGET_I386)
 316         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 317         if (env->hflags & HF_HALTED_MASK)
 318             term_printf(" (halted)");
 319 #elif defined(TARGET_PPC)
 320         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 321         if (env->halted)
 322             term_printf(" (halted)");
 323 #elif defined(TARGET_SPARC)
 324         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 325         if (env->halted)
 326             term_printf(" (halted)");
 327 #elif defined(TARGET_MIPS)
 328         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 329         if (env->halted)
 330             term_printf(" (halted)");
 331 #endif
 332         term_printf("\n");
 333     }
 334 }
 335
 336 static void do_cpu_set(int index)
 337 {
 338     if (mon_set_cpu(index) < 0)
 339         term_printf("Invalid CPU index\n");
 340 }
 341
 342 static void do_info_jit(void)
 343 {
 344     dump_exec_info(NULL, monitor_fprintf);
 345 }
 346
 347 static void do_info_history (void)
 348 {
 349     int i;
 350     const char *str;
 351
 352     i = 0;
 353     for(;;) {
 354         str = readline_get_history(i);
 355         if (!str)
 356             break;
 357         term_printf("%d: '%s'\n", i, str);
 358         i++;
 359     }
 360 }
 361
 362 #if defined(TARGET_PPC)
 363 /* XXX: not implemented in other targets */
 364 static void do_info_cpu_stats (void)
 365 {
 366     CPUState *env;
 367
 368     env = mon_get_cpu();
 369     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 370 }
 371 #endif
 372
 373 static void do_quit(void)
 374 {
 375     exit(0);
 376 }
 377
 378 static int eject_device(BlockDriverState *bs, int force)
 379 {
 380     if (bdrv_is_inserted(bs)) {
 381         if (!force) {
 382             if (!bdrv_is_removable(bs)) {
 383                 term_printf("device is not removable\n");
 384                 return -1;
 385             }
 386             if (bdrv_is_locked(bs)) {
 387                 term_printf("device is locked\n");
 388                 return -1;
 389             }
 390         }
 391         bdrv_close(bs);
 392     }
 393     return 0;
 394 }
 395
 396 static void do_eject(int force, const char *filename)
 397 {
 398     BlockDriverState *bs;
 399
 400     bs = bdrv_find(filename);
 401     if (!bs) {
 402         term_printf("device not found\n");
 403         return;
 404     }
 405     eject_device(bs, force);
 406 }
 407
 408 static void do_change_block(const char *device, const char *filename)
 409 {
 410     BlockDriverState *bs;
 411
 412     bs = bdrv_find(device);
 413     if (!bs) {
 414         term_printf("device not found\n");
 415         return;
 416     }
 417     if (eject_device(bs, 0) < 0)
 418         return;
 419     bdrv_open(bs, filename, 0);
 420     qemu_key_check(bs, filename);
 421 }
 422
 423 static void do_change_vnc(const char *target)
 424 {
 425     if (strcmp(target, "passwd") == 0 ||
 426         strcmp(target, "password") == 0) {
 427         char password[9];
 428         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 429         password[sizeof(password)-1] = '\0';
 430         if (vnc_display_password(NULL, password) < 0)
 431             term_printf("could not set VNC server password\n");
 432     } else {
 433         if (vnc_display_open(NULL, target) < 0)
 434             term_printf("could not start VNC server on %s\n", target);
 435     }
 436 }
 437
 438 static void do_change(const char *device, const char *target)
 439 {
 440     if (strcmp(device, "vnc") == 0) {
 441         do_change_vnc(target);
 442     } else {
 443         do_change_block(device, target);
 444     }
 445 }
 446
 447 static void do_screen_dump(const char *filename)
 448 {
 449     vga_hw_screen_dump(filename);
 450 }
 451
 452 static void do_logfile(const char *filename)
 453 {
 454     cpu_set_log_filename(filename);
 455 }
 456
 457 static void do_log(const char *items)
 458 {
 459     int mask;
 460
 461     if (!strcmp(items, "none")) {
 462         mask = 0;
 463     } else {
 464         mask = cpu_str_to_log_mask(items);
 465         if (!mask) {
 466             help_cmd("log");
 467             return;
 468         }
 469     }
 470     cpu_set_log(mask);
 471 }
 472
 473 static void do_stop(void)
 474 {
 475     vm_stop(EXCP_INTERRUPT);
 476 }
 477
 478 static void do_cont(void)
 479 {
 480     vm_start();
 481 }
 482
 483 #ifdef CONFIG_GDBSTUB
 484 static void do_gdbserver(const char *port)
 485 {
 486     if (!port)
 487         port = DEFAULT_GDBSTUB_PORT;
 488     if (gdbserver_start(port) < 0) {
 489         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 490     } else {
 491         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 492     }
 493 }
 494 #endif
 495
 496 static void term_printc(int c)
 497 {
 498     term_printf("'");
 499     switch(c) {
 500     case '\'':
 501         term_printf("\\'");
 502         break;
 503     case '\\':
 504         term_printf("\\\\");
 505         break;
 506     case '\n':
 507         term_printf("\\n");
 508         break;
 509     case '\r':
 510         term_printf("\\r");
 511         break;
 512     default:
 513         if (c >= 32 && c <= 126) {
 514             term_printf("%c", c);
 515         } else {
 516             term_printf("\\x%02x", c);
 517         }
 518         break;
 519     }
 520     term_printf("'");
 521 }
 522
 523 static void memory_dump(int count, int format, int wsize,
 524                         target_phys_addr_t addr, int is_physical)
 525 {
 526     CPUState *env;
 527     int nb_per_line, l, line_size, i, max_digits, len;
 528     uint8_t buf[16];
 529     uint64_t v;
 530
 531     if (format == 'i') {
 532         int flags;
 533         flags = 0;
 534         env = mon_get_cpu();
 535         if (!env && !is_physical)
 536             return;
 537 #ifdef TARGET_I386
 538         if (wsize == 2) {
 539             flags = 1;
 540         } else if (wsize == 4) {
 541             flags = 0;
 542         } else {
 543             /* as default we use the current CS size */
 544             flags = 0;
 545             if (env) {
 546 #ifdef TARGET_X86_64
 547                 if ((env->efer & MSR_EFER_LMA) &&
 548                     (env->segs[R_CS].flags & DESC_L_MASK))
 549                     flags = 2;
 550                 else
 551 #endif
 552                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 553                     flags = 1;
 554             }
 555         }
 556 #endif
 557         monitor_disas(env, addr, count, is_physical, flags);
 558         return;
 559     }
 560
 561     len = wsize * count;
 562     if (wsize == 1)
 563         line_size = 8;
 564     else
 565         line_size = 16;
 566     nb_per_line = line_size / wsize;
 567     max_digits = 0;
 568
 569     switch(format) {
 570     case 'o':
 571         max_digits = (wsize * 8 + 2) / 3;
 572         break;
 573     default:
 574     case 'x':
 575         max_digits = (wsize * 8) / 4;
 576         break;
 577     case 'u':
 578     case 'd':
 579         max_digits = (wsize * 8 * 10 + 32) / 33;
 580         break;
 581     case 'c':
 582         wsize = 1;
 583         break;
 584     }
 585
 586     while (len > 0) {
 587         if (is_physical)
 588             term_printf(TARGET_FMT_plx ":", addr);
 589         else
 590             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 591         l = len;
 592         if (l > line_size)
 593             l = line_size;
 594         if (is_physical) {
 595             cpu_physical_memory_rw(addr, buf, l, 0);
 596         } else {
 597             env = mon_get_cpu();
 598             if (!env)
 599                 break;
 600             cpu_memory_rw_debug(env, addr, buf, l, 0);
 601         }
 602         i = 0;
 603         while (i < l) {
 604             switch(wsize) {
 605             default:
 606             case 1:
 607                 v = ldub_raw(buf + i);
 608                 break;
 609             case 2:
 610                 v = lduw_raw(buf + i);
 611                 break;
 612             case 4:
 613                 v = (uint32_t)ldl_raw(buf + i);
 614                 break;
 615             case 8:
 616                 v = ldq_raw(buf + i);
 617                 break;
 618             }
 619             term_printf(" ");
 620             switch(format) {
 621             case 'o':
 622                 term_printf("%#*" PRIo64, max_digits, v);
 623                 break;
 624             case 'x':
 625                 term_printf("0x%0*" PRIx64, max_digits, v);
 626                 break;
 627             case 'u':
 628                 term_printf("%*" PRIu64, max_digits, v);
 629                 break;
 630             case 'd':
 631                 term_printf("%*" PRId64, max_digits, v);
 632                 break;
 633             case 'c':
 634                 term_printc(v);
 635                 break;
 636             }
 637             i += wsize;
 638         }
 639         term_printf("\n");
 640         addr += l;
 641         len -= l;
 642     }
 643 }
 644
 645 #if TARGET_LONG_BITS == 64
 646 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 647 #else
 648 #define GET_TLONG(h, l) (l)
 649 #endif
 650
 651 static void do_memory_dump(int count, int format, int size,
 652                            uint32_t addrh, uint32_t addrl)
 653 {
 654     target_long addr = GET_TLONG(addrh, addrl);
 655     memory_dump(count, format, size, addr, 0);
 656 }
 657
 658 #if TARGET_PHYS_ADDR_BITS > 32
 659 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 660 #else
 661 #define GET_TPHYSADDR(h, l) (l)
 662 #endif
 663
 664 static void do_physical_memory_dump(int count, int format, int size,
 665                                     uint32_t addrh, uint32_t addrl)
 666
 667 {
 668     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 669     memory_dump(count, format, size, addr, 1);
 670 }
 671
 672 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 673 {
 674     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 675 #if TARGET_PHYS_ADDR_BITS == 32
 676     switch(format) {
 677     case 'o':
 678         term_printf("%#o", val);
 679         break;
 680     case 'x':
 681         term_printf("%#x", val);
 682         break;
 683     case 'u':
 684         term_printf("%u", val);
 685         break;
 686     default:
 687     case 'd':
 688         term_printf("%d", val);
 689         break;
 690     case 'c':
 691         term_printc(val);
 692         break;
 693     }
 694 #else
 695     switch(format) {
 696     case 'o':
 697         term_printf("%#" PRIo64, val);
 698         break;
 699     case 'x':
 700         term_printf("%#" PRIx64, val);
 701         break;
 702     case 'u':
 703         term_printf("%" PRIu64, val);
 704         break;
 705     default:
 706     case 'd':
 707         term_printf("%" PRId64, val);
 708         break;
 709     case 'c':
 710         term_printc(val);
 711         break;
 712     }
 713 #endif
 714     term_printf("\n");
 715 }
 716
 717 static void do_memory_save(unsigned int valh, unsigned int vall,
 718                            uint32_t size, const char *filename)
 719 {
 720     FILE *f;
 721     target_long addr = GET_TLONG(valh, vall);
 722     uint32_t l;
 723     CPUState *env;
 724     uint8_t buf[1024];
 725
 726     env = mon_get_cpu();
 727     if (!env)
 728         return;
 729
 730     f = fopen(filename, "wb");
 731     if (!f) {
 732         term_printf("could not open '%s'\n", filename);
 733         return;
 734     }
 735     while (size != 0) {
 736         l = sizeof(buf);
 737         if (l > size)
 738             l = size;
 739         cpu_memory_rw_debug(env, addr, buf, l, 0);
 740         fwrite(buf, 1, l, f);
 741         addr += l;
 742         size -= l;
 743     }
 744     fclose(f);
 745 }
 746
 747 static void do_physical_memory_save(unsigned int valh, unsigned int vall,
 748                                     uint32_t size, const char *filename)
 749 {
 750     FILE *f;
 751     uint32_t l;
 752     uint8_t buf[1024];
 753     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
 754
 755     f = fopen(filename, "wb");
 756     if (!f) {
 757         term_printf("could not open '%s'\n", filename);
 758         return;
 759     }
 760     while (size != 0) {
 761         l = sizeof(buf);
 762         if (l > size)
 763             l = size;
 764         cpu_physical_memory_rw(addr, buf, l, 0);
 765         fwrite(buf, 1, l, f);
 766         fflush(f);
 767         addr += l;
 768         size -= l;
 769     }
 770     fclose(f);
 771 }
 772
 773 static void do_sum(uint32_t start, uint32_t size)
 774 {
 775     uint32_t addr;
 776     uint8_t buf[1];
 777     uint16_t sum;
 778
 779     sum = 0;
 780     for(addr = start; addr < (start + size); addr++) {
 781         cpu_physical_memory_rw(addr, buf, 1, 0);
 782         /* BSD sum algorithm ('sum' Unix command) */
 783         sum = (sum >> 1) | (sum << 15);
 784         sum += buf[0];
 785     }
 786     term_printf("%05d\n", sum);
 787 }
 788
 789 typedef struct {
 790     int keycode;
 791     const char *name;
 792 } KeyDef;
 793
 794 static const KeyDef key_defs[] = {
 795     { 0x2a, "shift" },
 796     { 0x36, "shift_r" },
 797
 798     { 0x38, "alt" },
 799     { 0xb8, "alt_r" },
 800     { 0x1d, "ctrl" },
 801     { 0x9d, "ctrl_r" },
 802
 803     { 0xdd, "menu" },
 804
 805     { 0x01, "esc" },
 806
 807     { 0x02, "1" },
 808     { 0x03, "2" },
 809     { 0x04, "3" },
 810     { 0x05, "4" },
 811     { 0x06, "5" },
 812     { 0x07, "6" },
 813     { 0x08, "7" },
 814     { 0x09, "8" },
 815     { 0x0a, "9" },
 816     { 0x0b, "0" },
 817     { 0x0c, "minus" },
 818     { 0x0d, "equal" },
 819     { 0x0e, "backspace" },
 820
 821     { 0x0f, "tab" },
 822     { 0x10, "q" },
 823     { 0x11, "w" },
 824     { 0x12, "e" },
 825     { 0x13, "r" },
 826     { 0x14, "t" },
 827     { 0x15, "y" },
 828     { 0x16, "u" },
 829     { 0x17, "i" },
 830     { 0x18, "o" },
 831     { 0x19, "p" },
 832
 833     { 0x1c, "ret" },
 834
 835     { 0x1e, "a" },
 836     { 0x1f, "s" },
 837     { 0x20, "d" },
 838     { 0x21, "f" },
 839     { 0x22, "g" },
 840     { 0x23, "h" },
 841     { 0x24, "j" },
 842     { 0x25, "k" },
 843     { 0x26, "l" },
 844
 845     { 0x2c, "z" },
 846     { 0x2d, "x" },
 847     { 0x2e, "c" },
 848     { 0x2f, "v" },
 849     { 0x30, "b" },
 850     { 0x31, "n" },
 851     { 0x32, "m" },
 852
 853     { 0x37, "asterisk" },
 854
 855     { 0x39, "spc" },
 856     { 0x3a, "caps_lock" },
 857     { 0x3b, "f1" },
 858     { 0x3c, "f2" },
 859     { 0x3d, "f3" },
 860     { 0x3e, "f4" },
 861     { 0x3f, "f5" },
 862     { 0x40, "f6" },
 863     { 0x41, "f7" },
 864     { 0x42, "f8" },
 865     { 0x43, "f9" },
 866     { 0x44, "f10" },
 867     { 0x45, "num_lock" },
 868     { 0x46, "scroll_lock" },
 869
 870     { 0xb5, "kp_divide" },
 871     { 0x37, "kp_multiply" },
 872     { 0x4a, "kp_subtract" },
 873     { 0x4e, "kp_add" },
 874     { 0x9c, "kp_enter" },
 875     { 0x53, "kp_decimal" },
 876
 877     { 0x52, "kp_0" },
 878     { 0x4f, "kp_1" },
 879     { 0x50, "kp_2" },
 880     { 0x51, "kp_3" },
 881     { 0x4b, "kp_4" },
 882     { 0x4c, "kp_5" },
 883     { 0x4d, "kp_6" },
 884     { 0x47, "kp_7" },
 885     { 0x48, "kp_8" },
 886     { 0x49, "kp_9" },
 887
 888     { 0x56, "<" },
 889
 890     { 0x57, "f11" },
 891     { 0x58, "f12" },
 892
 893     { 0xb7, "print" },
 894
 895     { 0xc7, "home" },
 896     { 0xc9, "pgup" },
 897     { 0xd1, "pgdn" },
 898     { 0xcf, "end" },
 899
 900     { 0xcb, "left" },
 901     { 0xc8, "up" },
 902     { 0xd0, "down" },
 903     { 0xcd, "right" },
 904
 905     { 0xd2, "insert" },
 906     { 0xd3, "delete" },
 907     { 0, NULL },
 908 };
 909
 910 static int get_keycode(const char *key)
 911 {
 912     const KeyDef *p;
 913     char *endp;
 914     int ret;
 915
 916     for(p = key_defs; p->name != NULL; p++) {
 917         if (!strcmp(key, p->name))
 918             return p->keycode;
 919     }
 920     if (strstart(key, "0x", NULL)) {
 921         ret = strtoul(key, &endp, 0);
 922         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 923             return ret;
 924     }
 925     return -1;
 926 }
 927
 928 static void do_send_key(const char *string)
 929 {
 930     char keybuf[16], *q;
 931     uint8_t keycodes[16];
 932     const char *p;
 933     int nb_keycodes, keycode, i;
 934
 935     nb_keycodes = 0;
 936     p = string;
 937     while (*p != '\0') {
 938         q = keybuf;
 939         while (*p != '\0' && *p != '-') {
 940             if ((q - keybuf) < sizeof(keybuf) - 1) {
 941                 *q++ = *p;
 942             }
 943             p++;
 944         }
 945         *q = '\0';
 946         keycode = get_keycode(keybuf);
 947         if (keycode < 0) {
 948             term_printf("unknown key: '%s'\n", keybuf);
 949             return;
 950         }
 951         keycodes[nb_keycodes++] = keycode;
 952         if (*p == '\0')
 953             break;
 954         p++;
 955     }
 956     /* key down events */
 957     for(i = 0; i < nb_keycodes; i++) {
 958         keycode = keycodes[i];
 959         if (keycode & 0x80)
 960             kbd_put_keycode(0xe0);
 961         kbd_put_keycode(keycode & 0x7f);
 962     }
 963     /* key up events */
 964     for(i = nb_keycodes - 1; i >= 0; i--) {
 965         keycode = keycodes[i];
 966         if (keycode & 0x80)
 967             kbd_put_keycode(0xe0);
 968         kbd_put_keycode(keycode | 0x80);
 969     }
 970 }
 971
 972 static int mouse_button_state;
 973
 974 static void do_mouse_move(const char *dx_str, const char *dy_str,
 975                           const char *dz_str)
 976 {
 977     int dx, dy, dz;
 978     dx = strtol(dx_str, NULL, 0);
 979     dy = strtol(dy_str, NULL, 0);
 980     dz = 0;
 981     if (dz_str)
 982         dz = strtol(dz_str, NULL, 0);
 983     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 984 }
 985
 986 static void do_mouse_button(int button_state)
 987 {
 988     mouse_button_state = button_state;
 989     kbd_mouse_event(0, 0, 0, mouse_button_state);
 990 }
 991
 992 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 993 {
 994     uint32_t val;
 995     int suffix;
 996
 997     if (has_index) {
 998         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 999         addr++;
1000     }
1001     addr &= 0xffff;
1002
1003     switch(size) {
1004     default:
1005     case 1:
1006         val = cpu_inb(NULL, addr);
1007         suffix = 'b';
1008         break;
1009     case 2:
1010         val = cpu_inw(NULL, addr);
1011         suffix = 'w';
1012         break;
1013     case 4:
1014         val = cpu_inl(NULL, addr);
1015         suffix = 'l';
1016         break;
1017     }
1018     term_printf("port%c[0x%04x] = %#0*x\n",
1019                 suffix, addr, size * 2, val);
1020 }
1021
1022 static void do_boot_set(const char *bootdevice)
1023 {
1024     int res;
1025
1026     if (qemu_boot_set_handler)  {
1027         res = qemu_boot_set_handler(bootdevice);
1028         if (res == 0)
1029             term_printf("boot device list now set to %s\n", bootdevice);
1030         else
1031             term_printf("setting boot device list failed with error %i\n", res);
1032     } else {
1033         term_printf("no function defined to set boot device list for this architecture\n");
1034     }
1035 }
1036
1037 static void do_system_reset(void)
1038 {
1039     qemu_system_reset_request();
1040 }
1041
1042 static void do_system_powerdown(void)
1043 {
1044     qemu_system_powerdown_request();
1045 }
1046
1047 #if defined(TARGET_I386)
1048 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1049 {
1050     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1051                 addr,
1052                 pte & mask,
1053                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1054                 pte & PG_PSE_MASK ? 'P' : '-',
1055                 pte & PG_DIRTY_MASK ? 'D' : '-',
1056                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1057                 pte & PG_PCD_MASK ? 'C' : '-',
1058                 pte & PG_PWT_MASK ? 'T' : '-',
1059                 pte & PG_USER_MASK ? 'U' : '-',
1060                 pte & PG_RW_MASK ? 'W' : '-');
1061 }
1062
1063 static void tlb_info(void)
1064 {
1065     CPUState *env;
1066     int l1, l2;
1067     uint32_t pgd, pde, pte;
1068
1069     env = mon_get_cpu();
1070     if (!env)
1071         return;
1072
1073     if (!(env->cr[0] & CR0_PG_MASK)) {
1074         term_printf("PG disabled\n");
1075         return;
1076     }
1077     pgd = env->cr[3] & ~0xfff;
1078     for(l1 = 0; l1 < 1024; l1++) {
1079         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1080         pde = le32_to_cpu(pde);
1081         if (pde & PG_PRESENT_MASK) {
1082             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1083                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1084             } else {
1085                 for(l2 = 0; l2 < 1024; l2++) {
1086                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1087                                              (uint8_t *)&pte, 4);
1088                     pte = le32_to_cpu(pte);
1089                     if (pte & PG_PRESENT_MASK) {
1090                         print_pte((l1 << 22) + (l2 << 12),
1091                                   pte & ~PG_PSE_MASK,
1092                                   ~0xfff);
1093                     }
1094                 }
1095             }
1096         }
1097     }
1098 }
1099
1100 static void mem_print(uint32_t *pstart, int *plast_prot,
1101                       uint32_t end, int prot)
1102 {
1103     int prot1;
1104     prot1 = *plast_prot;
1105     if (prot != prot1) {
1106         if (*pstart != -1) {
1107             term_printf("%08x-%08x %08x %c%c%c\n",
1108                         *pstart, end, end - *pstart,
1109                         prot1 & PG_USER_MASK ? 'u' : '-',
1110                         'r',
1111                         prot1 & PG_RW_MASK ? 'w' : '-');
1112         }
1113         if (prot != 0)
1114             *pstart = end;
1115         else
1116             *pstart = -1;
1117         *plast_prot = prot;
1118     }
1119 }
1120
1121 static void mem_info(void)
1122 {
1123     CPUState *env;
1124     int l1, l2, prot, last_prot;
1125     uint32_t pgd, pde, pte, start, end;
1126
1127     env = mon_get_cpu();
1128     if (!env)
1129         return;
1130
1131     if (!(env->cr[0] & CR0_PG_MASK)) {
1132         term_printf("PG disabled\n");
1133         return;
1134     }
1135     pgd = env->cr[3] & ~0xfff;
1136     last_prot = 0;
1137     start = -1;
1138     for(l1 = 0; l1 < 1024; l1++) {
1139         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1140         pde = le32_to_cpu(pde);
1141         end = l1 << 22;
1142         if (pde & PG_PRESENT_MASK) {
1143             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1144                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1145                 mem_print(&start, &last_prot, end, prot);
1146             } else {
1147                 for(l2 = 0; l2 < 1024; l2++) {
1148                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1149                                              (uint8_t *)&pte, 4);
1150                     pte = le32_to_cpu(pte);
1151                     end = (l1 << 22) + (l2 << 12);
1152                     if (pte & PG_PRESENT_MASK) {
1153                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1154                     } else {
1155                         prot = 0;
1156                     }
1157                     mem_print(&start, &last_prot, end, prot);
1158                 }
1159             }
1160         } else {
1161             prot = 0;
1162             mem_print(&start, &last_prot, end, prot);
1163         }
1164     }
1165 }
1166 #endif
1167
1168 static void do_info_kqemu(void)
1169 {
1170 #ifdef USE_KQEMU
1171     CPUState *env;
1172     int val;
1173     val = 0;
1174     env = mon_get_cpu();
1175     if (!env) {
1176         term_printf("No cpu initialized yet");
1177         return;
1178     }
1179     val = env->kqemu_enabled;
1180     term_printf("kqemu support: ");
1181     switch(val) {
1182     default:
1183     case 0:
1184         term_printf("disabled\n");
1185         break;
1186     case 1:
1187         term_printf("enabled for user code\n");
1188         break;
1189     case 2:
1190         term_printf("enabled for user and kernel code\n");
1191         break;
1192     }
1193 #else
1194     term_printf("kqemu support: not compiled\n");
1195 #endif
1196 }
1197
1198 #ifdef CONFIG_PROFILER
1199
1200 int64_t kqemu_time;
1201 int64_t qemu_time;
1202 int64_t kqemu_exec_count;
1203 int64_t dev_time;
1204 int64_t kqemu_ret_int_count;
1205 int64_t kqemu_ret_excp_count;
1206 int64_t kqemu_ret_intr_count;
1207
1208 static void do_info_profile(void)
1209 {
1210     int64_t total;
1211     total = qemu_time;
1212     if (total == 0)
1213         total = 1;
1214     term_printf("async time  %" PRId64 " (%0.3f)\n",
1215                 dev_time, dev_time / (double)ticks_per_sec);
1216     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1217                 qemu_time, qemu_time / (double)ticks_per_sec);
1218     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1219                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1220                 kqemu_time / (double)total * 100.0,
1221                 kqemu_exec_count,
1222                 kqemu_ret_int_count,
1223                 kqemu_ret_excp_count,
1224                 kqemu_ret_intr_count);
1225     qemu_time = 0;
1226     kqemu_time = 0;
1227     kqemu_exec_count = 0;
1228     dev_time = 0;
1229     kqemu_ret_int_count = 0;
1230     kqemu_ret_excp_count = 0;
1231     kqemu_ret_intr_count = 0;
1232 #ifdef USE_KQEMU
1233     kqemu_record_dump();
1234 #endif
1235 }
1236 #else
1237 static void do_info_profile(void)
1238 {
1239     term_printf("Internal profiler not compiled\n");
1240 }
1241 #endif
1242
1243 /* Capture support */
1244 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1245
1246 static void do_info_capture (void)
1247 {
1248     int i;
1249     CaptureState *s;
1250
1251     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1252         term_printf ("[%d]: ", i);
1253         s->ops.info (s->opaque);
1254     }
1255 }
1256
1257 static void do_stop_capture (int n)
1258 {
1259     int i;
1260     CaptureState *s;
1261
1262     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1263         if (i == n) {
1264             s->ops.destroy (s->opaque);
1265             LIST_REMOVE (s, entries);
1266             qemu_free (s);
1267             return;
1268         }
1269     }
1270 }
1271
1272 #ifdef HAS_AUDIO
1273 int wav_start_capture (CaptureState *s, const char *path, int freq,
1274                        int bits, int nchannels);
1275
1276 static void do_wav_capture (const char *path,
1277                             int has_freq, int freq,
1278                             int has_bits, int bits,
1279                             int has_channels, int nchannels)
1280 {
1281     CaptureState *s;
1282
1283     s = qemu_mallocz (sizeof (*s));
1284     if (!s) {
1285         term_printf ("Not enough memory to add wave capture\n");
1286         return;
1287     }
1288
1289     freq = has_freq ? freq : 44100;
1290     bits = has_bits ? bits : 16;
1291     nchannels = has_channels ? nchannels : 2;
1292
1293     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1294         term_printf ("Faied to add wave capture\n");
1295         qemu_free (s);
1296     }
1297     LIST_INSERT_HEAD (&capture_head, s, entries);
1298 }
1299 #endif
1300
1301 #if defined(TARGET_I386)
1302 static void do_inject_nmi(int cpu_index)
1303 {
1304     CPUState *env;
1305
1306     for (env = first_cpu; env != NULL; env = env->next_cpu)
1307         if (env->cpu_index == cpu_index) {
1308             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1309             break;
1310         }
1311 }
1312 #endif
1313
1314 static term_cmd_t term_cmds[] = {
1315     { "help|?", "s?", do_help,
1316       "[cmd]", "show the help" },
1317     { "commit", "s", do_commit,
1318       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1319     { "info", "s?", do_info,
1320       "subcommand", "show various information about the system state" },
1321     { "q|quit", "", do_quit,
1322       "", "quit the emulator" },
1323     { "eject", "-fB", do_eject,
1324       "[-f] device", "eject a removable medium (use -f to force it)" },
1325     { "change", "BF", do_change,
1326       "device filename", "change a removable medium" },
1327     { "screendump", "F", do_screen_dump,
1328       "filename", "save screen into PPM image 'filename'" },
1329     { "logfile", "s", do_logfile,
1330       "filename", "output logs to 'filename'" },
1331     { "log", "s", do_log,
1332       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1333     { "savevm", "s?", do_savevm,
1334       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1335     { "loadvm", "s", do_loadvm,
1336       "tag|id", "restore a VM snapshot from its tag or id" },
1337     { "delvm", "s", do_delvm,
1338       "tag|id", "delete a VM snapshot from its tag or id" },
1339     { "stop", "", do_stop,
1340       "", "stop emulation", },
1341     { "c|cont", "", do_cont,
1342       "", "resume emulation", },
1343 #ifdef CONFIG_GDBSTUB
1344     { "gdbserver", "s?", do_gdbserver,
1345       "[port]", "start gdbserver session (default port=1234)", },
1346 #endif
1347     { "x", "/l", do_memory_dump,
1348       "/fmt addr", "virtual memory dump starting at 'addr'", },
1349     { "xp", "/l", do_physical_memory_dump,
1350       "/fmt addr", "physical memory dump starting at 'addr'", },
1351     { "p|print", "/l", do_print,
1352       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1353     { "i", "/ii.", do_ioport_read,
1354       "/fmt addr", "I/O port read" },
1355
1356     { "sendkey", "s", do_send_key,
1357       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1358     { "system_reset", "", do_system_reset,
1359       "", "reset the system" },
1360     { "system_powerdown", "", do_system_powerdown,
1361       "", "send system power down event" },
1362     { "sum", "ii", do_sum,
1363       "addr size", "compute the checksum of a memory region" },
1364     { "usb_add", "s", do_usb_add,
1365       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1366     { "usb_del", "s", do_usb_del,
1367       "device", "remove USB device 'bus.addr'" },
1368     { "cpu", "i", do_cpu_set,
1369       "index", "set the default CPU" },
1370     { "mouse_move", "sss?", do_mouse_move,
1371       "dx dy [dz]", "send mouse move events" },
1372     { "mouse_button", "i", do_mouse_button,
1373       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1374     { "mouse_set", "i", do_mouse_set,
1375       "index", "set which mouse device receives events" },
1376 #ifdef HAS_AUDIO
1377     { "wavcapture", "si?i?i?", do_wav_capture,
1378       "path [frequency bits channels]",
1379       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1380 #endif
1381      { "stopcapture", "i", do_stop_capture,
1382        "capture index", "stop capture" },
1383     { "memsave", "lis", do_memory_save,
1384       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1385     { "pmemsave", "lis", do_physical_memory_save,
1386       "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1387     { "boot_set", "s", do_boot_set,
1388       "bootdevice", "define new values for the boot device list" },
1389 #if defined(TARGET_I386)
1390     { "nmi", "i", do_inject_nmi,
1391       "cpu", "inject an NMI on the given CPU", },
1392 #endif
1393     { NULL, NULL, },
1394 };
1395
1396 static term_cmd_t info_cmds[] = {
1397     { "version", "", do_info_version,
1398       "", "show the version of qemu" },
1399     { "network", "", do_info_network,
1400       "", "show the network state" },
1401     { "block", "", do_info_block,
1402       "", "show the block devices" },
1403     { "blockstats", "", do_info_blockstats,
1404       "", "show block device statistics" },
1405     { "registers", "", do_info_registers,
1406       "", "show the cpu registers" },
1407     { "cpus", "", do_info_cpus,
1408       "", "show infos for each CPU" },
1409     { "history", "", do_info_history,
1410       "", "show the command line history", },
1411     { "irq", "", irq_info,
1412       "", "show the interrupts statistics (if available)", },
1413     { "pic", "", pic_info,
1414       "", "show i8259 (PIC) state", },
1415     { "pci", "", pci_info,
1416       "", "show PCI info", },
1417 #if defined(TARGET_I386)
1418     { "tlb", "", tlb_info,
1419       "", "show virtual to physical memory mappings", },
1420     { "mem", "", mem_info,
1421       "", "show the active virtual memory mappings", },
1422 #endif
1423     { "jit", "", do_info_jit,
1424       "", "show dynamic compiler info", },
1425     { "kqemu", "", do_info_kqemu,
1426       "", "show kqemu information", },
1427     { "usb", "", usb_info,
1428       "", "show guest USB devices", },
1429     { "usbhost", "", usb_host_info,
1430       "", "show host USB devices", },
1431     { "profile", "", do_info_profile,
1432       "", "show profiling information", },
1433     { "capture", "", do_info_capture,
1434       "", "show capture information" },
1435     { "snapshots", "", do_info_snapshots,
1436       "", "show the currently saved VM snapshots" },
1437     { "pcmcia", "", pcmcia_info,
1438       "", "show guest PCMCIA status" },
1439     { "mice", "", do_info_mice,
1440       "", "show which guest mouse is receiving events" },
1441     { "vnc", "", do_info_vnc,
1442       "", "show the vnc server status"},
1443     { "name", "", do_info_name,
1444       "", "show the current VM name" },
1445 #if defined(TARGET_PPC)
1446     { "cpustats", "", do_info_cpu_stats,
1447       "", "show CPU statistics", },
1448 #endif
1449 #if defined(CONFIG_SLIRP)
1450     { "slirp", "", do_info_slirp,
1451       "", "show SLIRP statistics", },
1452 #endif
1453     { NULL, NULL, },
1454 };
1455
1456 /*******************************************************************/
1457
1458 static const char *pch;
1459 static jmp_buf expr_env;
1460
1461 #define MD_TLONG 0
1462 #define MD_I32   1
1463
1464 typedef struct MonitorDef {
1465     const char *name;
1466     int offset;
1467     target_long (*get_value)(struct MonitorDef *md, int val);
1468     int type;
1469 } MonitorDef;
1470
1471 #if defined(TARGET_I386)
1472 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1473 {
1474     CPUState *env = mon_get_cpu();
1475     if (!env)
1476         return 0;
1477     return env->eip + env->segs[R_CS].base;
1478 }
1479 #endif
1480
1481 #if defined(TARGET_PPC)
1482 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1483 {
1484     CPUState *env = mon_get_cpu();
1485     unsigned int u;
1486     int i;
1487
1488     if (!env)
1489         return 0;
1490
1491     u = 0;
1492     for (i = 0; i < 8; i++)
1493         u |= env->crf[i] << (32 - (4 * i));
1494
1495     return u;
1496 }
1497
1498 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1499 {
1500     CPUState *env = mon_get_cpu();
1501     if (!env)
1502         return 0;
1503     return env->msr;
1504 }
1505
1506 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1507 {
1508     CPUState *env = mon_get_cpu();
1509     if (!env)
1510         return 0;
1511     return ppc_load_xer(env);
1512 }
1513
1514 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1515 {
1516     CPUState *env = mon_get_cpu();
1517     if (!env)
1518         return 0;
1519     return cpu_ppc_load_decr(env);
1520 }
1521
1522 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1523 {
1524     CPUState *env = mon_get_cpu();
1525     if (!env)
1526         return 0;
1527     return cpu_ppc_load_tbu(env);
1528 }
1529
1530 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1531 {
1532     CPUState *env = mon_get_cpu();
1533     if (!env)
1534         return 0;
1535     return cpu_ppc_load_tbl(env);
1536 }
1537 #endif
1538
1539 #if defined(TARGET_SPARC)
1540 #ifndef TARGET_SPARC64
1541 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1542 {
1543     CPUState *env = mon_get_cpu();
1544     if (!env)
1545         return 0;
1546     return GET_PSR(env);
1547 }
1548 #endif
1549
1550 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1551 {
1552     CPUState *env = mon_get_cpu();
1553     if (!env)
1554         return 0;
1555     return env->regwptr[val];
1556 }
1557 #endif
1558
1559 static MonitorDef monitor_defs[] = {
1560 #ifdef TARGET_I386
1561
1562 #define SEG(name, seg) \
1563     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1564     { name ".base", offsetof(CPUState, segs[seg].base) },\
1565     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1566
1567     { "eax", offsetof(CPUState, regs[0]) },
1568     { "ecx", offsetof(CPUState, regs[1]) },
1569     { "edx", offsetof(CPUState, regs[2]) },
1570     { "ebx", offsetof(CPUState, regs[3]) },
1571     { "esp|sp", offsetof(CPUState, regs[4]) },
1572     { "ebp|fp", offsetof(CPUState, regs[5]) },
1573     { "esi", offsetof(CPUState, regs[6]) },
1574     { "edi", offsetof(CPUState, regs[7]) },
1575 #ifdef TARGET_X86_64
1576     { "r8", offsetof(CPUState, regs[8]) },
1577     { "r9", offsetof(CPUState, regs[9]) },
1578     { "r10", offsetof(CPUState, regs[10]) },
1579     { "r11", offsetof(CPUState, regs[11]) },
1580     { "r12", offsetof(CPUState, regs[12]) },
1581     { "r13", offsetof(CPUState, regs[13]) },
1582     { "r14", offsetof(CPUState, regs[14]) },
1583     { "r15", offsetof(CPUState, regs[15]) },
1584 #endif
1585     { "eflags", offsetof(CPUState, eflags) },
1586     { "eip", offsetof(CPUState, eip) },
1587     SEG("cs", R_CS)
1588     SEG("ds", R_DS)
1589     SEG("es", R_ES)
1590     SEG("ss", R_SS)
1591     SEG("fs", R_FS)
1592     SEG("gs", R_GS)
1593     { "pc", 0, monitor_get_pc, },
1594 #elif defined(TARGET_PPC)
1595     /* General purpose registers */
1596     { "r0", offsetof(CPUState, gpr[0]) },
1597     { "r1", offsetof(CPUState, gpr[1]) },
1598     { "r2", offsetof(CPUState, gpr[2]) },
1599     { "r3", offsetof(CPUState, gpr[3]) },
1600     { "r4", offsetof(CPUState, gpr[4]) },
1601     { "r5", offsetof(CPUState, gpr[5]) },
1602     { "r6", offsetof(CPUState, gpr[6]) },
1603     { "r7", offsetof(CPUState, gpr[7]) },
1604     { "r8", offsetof(CPUState, gpr[8]) },
1605     { "r9", offsetof(CPUState, gpr[9]) },
1606     { "r10", offsetof(CPUState, gpr[10]) },
1607     { "r11", offsetof(CPUState, gpr[11]) },
1608     { "r12", offsetof(CPUState, gpr[12]) },
1609     { "r13", offsetof(CPUState, gpr[13]) },
1610     { "r14", offsetof(CPUState, gpr[14]) },
1611     { "r15", offsetof(CPUState, gpr[15]) },
1612     { "r16", offsetof(CPUState, gpr[16]) },
1613     { "r17", offsetof(CPUState, gpr[17]) },
1614     { "r18", offsetof(CPUState, gpr[18]) },
1615     { "r19", offsetof(CPUState, gpr[19]) },
1616     { "r20", offsetof(CPUState, gpr[20]) },
1617     { "r21", offsetof(CPUState, gpr[21]) },
1618     { "r22", offsetof(CPUState, gpr[22]) },
1619     { "r23", offsetof(CPUState, gpr[23]) },
1620     { "r24", offsetof(CPUState, gpr[24]) },
1621     { "r25", offsetof(CPUState, gpr[25]) },
1622     { "r26", offsetof(CPUState, gpr[26]) },
1623     { "r27", offsetof(CPUState, gpr[27]) },
1624     { "r28", offsetof(CPUState, gpr[28]) },
1625     { "r29", offsetof(CPUState, gpr[29]) },
1626     { "r30", offsetof(CPUState, gpr[30]) },
1627     { "r31", offsetof(CPUState, gpr[31]) },
1628     /* Floating point registers */
1629     { "f0", offsetof(CPUState, fpr[0]) },
1630     { "f1", offsetof(CPUState, fpr[1]) },
1631     { "f2", offsetof(CPUState, fpr[2]) },
1632     { "f3", offsetof(CPUState, fpr[3]) },
1633     { "f4", offsetof(CPUState, fpr[4]) },
1634     { "f5", offsetof(CPUState, fpr[5]) },
1635     { "f6", offsetof(CPUState, fpr[6]) },
1636     { "f7", offsetof(CPUState, fpr[7]) },
1637     { "f8", offsetof(CPUState, fpr[8]) },
1638     { "f9", offsetof(CPUState, fpr[9]) },
1639     { "f10", offsetof(CPUState, fpr[10]) },
1640     { "f11", offsetof(CPUState, fpr[11]) },
1641     { "f12", offsetof(CPUState, fpr[12]) },
1642     { "f13", offsetof(CPUState, fpr[13]) },
1643     { "f14", offsetof(CPUState, fpr[14]) },
1644     { "f15", offsetof(CPUState, fpr[15]) },
1645     { "f16", offsetof(CPUState, fpr[16]) },
1646     { "f17", offsetof(CPUState, fpr[17]) },
1647     { "f18", offsetof(CPUState, fpr[18]) },
1648     { "f19", offsetof(CPUState, fpr[19]) },
1649     { "f20", offsetof(CPUState, fpr[20]) },
1650     { "f21", offsetof(CPUState, fpr[21]) },
1651     { "f22", offsetof(CPUState, fpr[22]) },
1652     { "f23", offsetof(CPUState, fpr[23]) },
1653     { "f24", offsetof(CPUState, fpr[24]) },
1654     { "f25", offsetof(CPUState, fpr[25]) },
1655     { "f26", offsetof(CPUState, fpr[26]) },
1656     { "f27", offsetof(CPUState, fpr[27]) },
1657     { "f28", offsetof(CPUState, fpr[28]) },
1658     { "f29", offsetof(CPUState, fpr[29]) },
1659     { "f30", offsetof(CPUState, fpr[30]) },
1660     { "f31", offsetof(CPUState, fpr[31]) },
1661     { "fpscr", offsetof(CPUState, fpscr) },
1662     /* Next instruction pointer */
1663     { "nip|pc", offsetof(CPUState, nip) },
1664     { "lr", offsetof(CPUState, lr) },
1665     { "ctr", offsetof(CPUState, ctr) },
1666     { "decr", 0, &monitor_get_decr, },
1667     { "ccr", 0, &monitor_get_ccr, },
1668     /* Machine state register */
1669     { "msr", 0, &monitor_get_msr, },
1670     { "xer", 0, &monitor_get_xer, },
1671     { "tbu", 0, &monitor_get_tbu, },
1672     { "tbl", 0, &monitor_get_tbl, },
1673 #if defined(TARGET_PPC64)
1674     /* Address space register */
1675     { "asr", offsetof(CPUState, asr) },
1676 #endif
1677     /* Segment registers */
1678     { "sdr1", offsetof(CPUState, sdr1) },
1679     { "sr0", offsetof(CPUState, sr[0]) },
1680     { "sr1", offsetof(CPUState, sr[1]) },
1681     { "sr2", offsetof(CPUState, sr[2]) },
1682     { "sr3", offsetof(CPUState, sr[3]) },
1683     { "sr4", offsetof(CPUState, sr[4]) },
1684     { "sr5", offsetof(CPUState, sr[5]) },
1685     { "sr6", offsetof(CPUState, sr[6]) },
1686     { "sr7", offsetof(CPUState, sr[7]) },
1687     { "sr8", offsetof(CPUState, sr[8]) },
1688     { "sr9", offsetof(CPUState, sr[9]) },
1689     { "sr10", offsetof(CPUState, sr[10]) },
1690     { "sr11", offsetof(CPUState, sr[11]) },
1691     { "sr12", offsetof(CPUState, sr[12]) },
1692     { "sr13", offsetof(CPUState, sr[13]) },
1693     { "sr14", offsetof(CPUState, sr[14]) },
1694     { "sr15", offsetof(CPUState, sr[15]) },
1695     /* Too lazy to put BATs and SPRs ... */
1696 #elif defined(TARGET_SPARC)
1697     { "g0", offsetof(CPUState, gregs[0]) },
1698     { "g1", offsetof(CPUState, gregs[1]) },
1699     { "g2", offsetof(CPUState, gregs[2]) },
1700     { "g3", offsetof(CPUState, gregs[3]) },
1701     { "g4", offsetof(CPUState, gregs[4]) },
1702     { "g5", offsetof(CPUState, gregs[5]) },
1703     { "g6", offsetof(CPUState, gregs[6]) },
1704     { "g7", offsetof(CPUState, gregs[7]) },
1705     { "o0", 0, monitor_get_reg },
1706     { "o1", 1, monitor_get_reg },
1707     { "o2", 2, monitor_get_reg },
1708     { "o3", 3, monitor_get_reg },
1709     { "o4", 4, monitor_get_reg },
1710     { "o5", 5, monitor_get_reg },
1711     { "o6", 6, monitor_get_reg },
1712     { "o7", 7, monitor_get_reg },
1713     { "l0", 8, monitor_get_reg },
1714     { "l1", 9, monitor_get_reg },
1715     { "l2", 10, monitor_get_reg },
1716     { "l3", 11, monitor_get_reg },
1717     { "l4", 12, monitor_get_reg },
1718     { "l5", 13, monitor_get_reg },
1719     { "l6", 14, monitor_get_reg },
1720     { "l7", 15, monitor_get_reg },
1721     { "i0", 16, monitor_get_reg },
1722     { "i1", 17, monitor_get_reg },
1723     { "i2", 18, monitor_get_reg },
1724     { "i3", 19, monitor_get_reg },
1725     { "i4", 20, monitor_get_reg },
1726     { "i5", 21, monitor_get_reg },
1727     { "i6", 22, monitor_get_reg },
1728     { "i7", 23, monitor_get_reg },
1729     { "pc", offsetof(CPUState, pc) },
1730     { "npc", offsetof(CPUState, npc) },
1731     { "y", offsetof(CPUState, y) },
1732 #ifndef TARGET_SPARC64
1733     { "psr", 0, &monitor_get_psr, },
1734     { "wim", offsetof(CPUState, wim) },
1735 #endif
1736     { "tbr", offsetof(CPUState, tbr) },
1737     { "fsr", offsetof(CPUState, fsr) },
1738     { "f0", offsetof(CPUState, fpr[0]) },
1739     { "f1", offsetof(CPUState, fpr[1]) },
1740     { "f2", offsetof(CPUState, fpr[2]) },
1741     { "f3", offsetof(CPUState, fpr[3]) },
1742     { "f4", offsetof(CPUState, fpr[4]) },
1743     { "f5", offsetof(CPUState, fpr[5]) },
1744     { "f6", offsetof(CPUState, fpr[6]) },
1745     { "f7", offsetof(CPUState, fpr[7]) },
1746     { "f8", offsetof(CPUState, fpr[8]) },
1747     { "f9", offsetof(CPUState, fpr[9]) },
1748     { "f10", offsetof(CPUState, fpr[10]) },
1749     { "f11", offsetof(CPUState, fpr[11]) },
1750     { "f12", offsetof(CPUState, fpr[12]) },
1751     { "f13", offsetof(CPUState, fpr[13]) },
1752     { "f14", offsetof(CPUState, fpr[14]) },
1753     { "f15", offsetof(CPUState, fpr[15]) },
1754     { "f16", offsetof(CPUState, fpr[16]) },
1755     { "f17", offsetof(CPUState, fpr[17]) },
1756     { "f18", offsetof(CPUState, fpr[18]) },
1757     { "f19", offsetof(CPUState, fpr[19]) },
1758     { "f20", offsetof(CPUState, fpr[20]) },
1759     { "f21", offsetof(CPUState, fpr[21]) },
1760     { "f22", offsetof(CPUState, fpr[22]) },
1761     { "f23", offsetof(CPUState, fpr[23]) },
1762     { "f24", offsetof(CPUState, fpr[24]) },
1763     { "f25", offsetof(CPUState, fpr[25]) },
1764     { "f26", offsetof(CPUState, fpr[26]) },
1765     { "f27", offsetof(CPUState, fpr[27]) },
1766     { "f28", offsetof(CPUState, fpr[28]) },
1767     { "f29", offsetof(CPUState, fpr[29]) },
1768     { "f30", offsetof(CPUState, fpr[30]) },
1769     { "f31", offsetof(CPUState, fpr[31]) },
1770 #ifdef TARGET_SPARC64
1771     { "f32", offsetof(CPUState, fpr[32]) },
1772     { "f34", offsetof(CPUState, fpr[34]) },
1773     { "f36", offsetof(CPUState, fpr[36]) },
1774     { "f38", offsetof(CPUState, fpr[38]) },
1775     { "f40", offsetof(CPUState, fpr[40]) },
1776     { "f42", offsetof(CPUState, fpr[42]) },
1777     { "f44", offsetof(CPUState, fpr[44]) },
1778     { "f46", offsetof(CPUState, fpr[46]) },
1779     { "f48", offsetof(CPUState, fpr[48]) },
1780     { "f50", offsetof(CPUState, fpr[50]) },
1781     { "f52", offsetof(CPUState, fpr[52]) },
1782     { "f54", offsetof(CPUState, fpr[54]) },
1783     { "f56", offsetof(CPUState, fpr[56]) },
1784     { "f58", offsetof(CPUState, fpr[58]) },
1785     { "f60", offsetof(CPUState, fpr[60]) },
1786     { "f62", offsetof(CPUState, fpr[62]) },
1787     { "asi", offsetof(CPUState, asi) },
1788     { "pstate", offsetof(CPUState, pstate) },
1789     { "cansave", offsetof(CPUState, cansave) },
1790     { "canrestore", offsetof(CPUState, canrestore) },
1791     { "otherwin", offsetof(CPUState, otherwin) },
1792     { "wstate", offsetof(CPUState, wstate) },
1793     { "cleanwin", offsetof(CPUState, cleanwin) },
1794     { "fprs", offsetof(CPUState, fprs) },
1795 #endif
1796 #endif
1797     { NULL },
1798 };
1799
1800 static void expr_error(const char *fmt)
1801 {
1802     term_printf(fmt);
1803     term_printf("\n");
1804     longjmp(expr_env, 1);
1805 }
1806
1807 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1808 static int get_monitor_def(target_long *pval, const char *name)
1809 {
1810     MonitorDef *md;
1811     void *ptr;
1812
1813     for(md = monitor_defs; md->name != NULL; md++) {
1814         if (compare_cmd(name, md->name)) {
1815             if (md->get_value) {
1816                 *pval = md->get_value(md, md->offset);
1817             } else {
1818                 CPUState *env = mon_get_cpu();
1819                 if (!env)
1820                     return -2;
1821                 ptr = (uint8_t *)env + md->offset;
1822                 switch(md->type) {
1823                 case MD_I32:
1824                     *pval = *(int32_t *)ptr;
1825                     break;
1826                 case MD_TLONG:
1827                     *pval = *(target_long *)ptr;
1828                     break;
1829                 default:
1830                     *pval = 0;
1831                     break;
1832                 }
1833             }
1834             return 0;
1835         }
1836     }
1837     return -1;
1838 }
1839
1840 static void next(void)
1841 {
1842     if (pch != '\0') {
1843         pch++;
1844         while (isspace(*pch))
1845             pch++;
1846     }
1847 }
1848
1849 static int64_t expr_sum(void);
1850
1851 static int64_t expr_unary(void)
1852 {
1853     int64_t n;
1854     char *p;
1855     int ret;
1856
1857     switch(*pch) {
1858     case '+':
1859         next();
1860         n = expr_unary();
1861         break;
1862     case '-':
1863         next();
1864         n = -expr_unary();
1865         break;
1866     case '~':
1867         next();
1868         n = ~expr_unary();
1869         break;
1870     case '(':
1871         next();
1872         n = expr_sum();
1873         if (*pch != ')') {
1874             expr_error("')' expected");
1875         }
1876         next();
1877         break;
1878     case '\'':
1879         pch++;
1880         if (*pch == '\0')
1881             expr_error("character constant expected");
1882         n = *pch;
1883         pch++;
1884         if (*pch != '\'')
1885             expr_error("missing terminating \' character");
1886         next();
1887         break;
1888     case '$':
1889         {
1890             char buf[128], *q;
1891             target_long reg=0;
1892
1893             pch++;
1894             q = buf;
1895             while ((*pch >= 'a' && *pch <= 'z') ||
1896                    (*pch >= 'A' && *pch <= 'Z') ||
1897                    (*pch >= '0' && *pch <= '9') ||
1898                    *pch == '_' || *pch == '.') {
1899                 if ((q - buf) < sizeof(buf) - 1)
1900                     *q++ = *pch;
1901                 pch++;
1902             }
1903             while (isspace(*pch))
1904                 pch++;
1905             *q = 0;
1906             ret = get_monitor_def(&reg, buf);
1907             if (ret == -1)
1908                 expr_error("unknown register");
1909             else if (ret == -2)
1910                 expr_error("no cpu defined");
1911             n = reg;
1912         }
1913         break;
1914     case '\0':
1915         expr_error("unexpected end of expression");
1916         n = 0;
1917         break;
1918     default:
1919 #if TARGET_PHYS_ADDR_BITS > 32
1920         n = strtoull(pch, &p, 0);
1921 #else
1922         n = strtoul(pch, &p, 0);
1923 #endif
1924         if (pch == p) {
1925             expr_error("invalid char in expression");
1926         }
1927         pch = p;
1928         while (isspace(*pch))
1929             pch++;
1930         break;
1931     }
1932     return n;
1933 }
1934
1935
1936 static int64_t expr_prod(void)
1937 {
1938     int64_t val, val2;
1939     int op;
1940
1941     val = expr_unary();
1942     for(;;) {
1943         op = *pch;
1944         if (op != '*' && op != '/' && op != '%')
1945             break;
1946         next();
1947         val2 = expr_unary();
1948         switch(op) {
1949         default:
1950         case '*':
1951             val *= val2;
1952             break;
1953         case '/':
1954         case '%':
1955             if (val2 == 0)
1956                 expr_error("division by zero");
1957             if (op == '/')
1958                 val /= val2;
1959             else
1960                 val %= val2;
1961             break;
1962         }
1963     }
1964     return val;
1965 }
1966
1967 static int64_t expr_logic(void)
1968 {
1969     int64_t val, val2;
1970     int op;
1971
1972     val = expr_prod();
1973     for(;;) {
1974         op = *pch;
1975         if (op != '&' && op != '|' && op != '^')
1976             break;
1977         next();
1978         val2 = expr_prod();
1979         switch(op) {
1980         default:
1981         case '&':
1982             val &= val2;
1983             break;
1984         case '|':
1985             val |= val2;
1986             break;
1987         case '^':
1988             val ^= val2;
1989             break;
1990         }
1991     }
1992     return val;
1993 }
1994
1995 static int64_t expr_sum(void)
1996 {
1997     int64_t val, val2;
1998     int op;
1999
2000     val = expr_logic();
2001     for(;;) {
2002         op = *pch;
2003         if (op != '+' && op != '-')
2004             break;
2005         next();
2006         val2 = expr_logic();
2007         if (op == '+')
2008             val += val2;
2009         else
2010             val -= val2;
2011     }
2012     return val;
2013 }
2014
2015 static int get_expr(int64_t *pval, const char **pp)
2016 {
2017     pch = *pp;
2018     if (setjmp(expr_env)) {
2019         *pp = pch;
2020         return -1;
2021     }
2022     while (isspace(*pch))
2023         pch++;
2024     *pval = expr_sum();
2025     *pp = pch;
2026     return 0;
2027 }
2028
2029 static int get_str(char *buf, int buf_size, const char **pp)
2030 {
2031     const char *p;
2032     char *q;
2033     int c;
2034
2035     q = buf;
2036     p = *pp;
2037     while (isspace(*p))
2038         p++;
2039     if (*p == '\0') {
2040     fail:
2041         *q = '\0';
2042         *pp = p;
2043         return -1;
2044     }
2045     if (*p == '\"') {
2046         p++;
2047         while (*p != '\0' && *p != '\"') {
2048             if (*p == '\\') {
2049                 p++;
2050                 c = *p++;
2051                 switch(c) {
2052                 case 'n':
2053                     c = '\n';
2054                     break;
2055                 case 'r':
2056                     c = '\r';
2057                     break;
2058                 case '\\':
2059                 case '\'':
2060                 case '\"':
2061                     break;
2062                 default:
2063                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2064                     goto fail;
2065                 }
2066                 if ((q - buf) < buf_size - 1) {
2067                     *q++ = c;
2068                 }
2069             } else {
2070                 if ((q - buf) < buf_size - 1) {
2071                     *q++ = *p;
2072                 }
2073                 p++;
2074             }
2075         }
2076         if (*p != '\"') {
2077             qemu_printf("unterminated string\n");
2078             goto fail;
2079         }
2080         p++;
2081     } else {
2082         while (*p != '\0' && !isspace(*p)) {
2083             if ((q - buf) < buf_size - 1) {
2084                 *q++ = *p;
2085             }
2086             p++;
2087         }
2088     }
2089     *q = '\0';
2090     *pp = p;
2091     return 0;
2092 }
2093
2094 static int default_fmt_format = 'x';
2095 static int default_fmt_size = 4;
2096
2097 #define MAX_ARGS 16
2098
2099 static void monitor_handle_command(const char *cmdline)
2100 {
2101     const char *p, *pstart, *typestr;
2102     char *q;
2103     int c, nb_args, len, i, has_arg;
2104     term_cmd_t *cmd;
2105     char cmdname[256];
2106     char buf[1024];
2107     void *str_allocated[MAX_ARGS];
2108     void *args[MAX_ARGS];
2109
2110 #ifdef DEBUG
2111     term_printf("command='%s'\n", cmdline);
2112 #endif
2113
2114     /* extract the command name */
2115     p = cmdline;
2116     q = cmdname;
2117     while (isspace(*p))
2118         p++;
2119     if (*p == '\0')
2120         return;
2121     pstart = p;
2122     while (*p != '\0' && *p != '/' && !isspace(*p))
2123         p++;
2124     len = p - pstart;
2125     if (len > sizeof(cmdname) - 1)
2126         len = sizeof(cmdname) - 1;
2127     memcpy(cmdname, pstart, len);
2128     cmdname[len] = '\0';
2129
2130     /* find the command */
2131     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2132         if (compare_cmd(cmdname, cmd->name))
2133             goto found;
2134     }
2135     term_printf("unknown command: '%s'\n", cmdname);
2136     return;
2137  found:
2138
2139     for(i = 0; i < MAX_ARGS; i++)
2140         str_allocated[i] = NULL;
2141
2142     /* parse the parameters */
2143     typestr = cmd->args_type;
2144     nb_args = 0;
2145     for(;;) {
2146         c = *typestr;
2147         if (c == '\0')
2148             break;
2149         typestr++;
2150         switch(c) {
2151         case 'F':
2152         case 'B':
2153         case 's':
2154             {
2155                 int ret;
2156                 char *str;
2157
2158                 while (isspace(*p))
2159                     p++;
2160                 if (*typestr == '?') {
2161                     typestr++;
2162                     if (*p == '\0') {
2163                         /* no optional string: NULL argument */
2164                         str = NULL;
2165                         goto add_str;
2166                     }
2167                 }
2168                 ret = get_str(buf, sizeof(buf), &p);
2169                 if (ret < 0) {
2170                     switch(c) {
2171                     case 'F':
2172                         term_printf("%s: filename expected\n", cmdname);
2173                         break;
2174                     case 'B':
2175                         term_printf("%s: block device name expected\n", cmdname);
2176                         break;
2177                     default:
2178                         term_printf("%s: string expected\n", cmdname);
2179                         break;
2180                     }
2181                     goto fail;
2182                 }
2183                 str = qemu_malloc(strlen(buf) + 1);
2184                 strcpy(str, buf);
2185                 str_allocated[nb_args] = str;
2186             add_str:
2187                 if (nb_args >= MAX_ARGS) {
2188                 error_args:
2189                     term_printf("%s: too many arguments\n", cmdname);
2190                     goto fail;
2191                 }
2192                 args[nb_args++] = str;
2193             }
2194             break;
2195         case '/':
2196             {
2197                 int count, format, size;
2198
2199                 while (isspace(*p))
2200                     p++;
2201                 if (*p == '/') {
2202                     /* format found */
2203                     p++;
2204                     count = 1;
2205                     if (isdigit(*p)) {
2206                         count = 0;
2207                         while (isdigit(*p)) {
2208                             count = count * 10 + (*p - '0');
2209                             p++;
2210                         }
2211                     }
2212                     size = -1;
2213                     format = -1;
2214                     for(;;) {
2215                         switch(*p) {
2216                         case 'o':
2217                         case 'd':
2218                         case 'u':
2219                         case 'x':
2220                         case 'i':
2221                         case 'c':
2222                             format = *p++;
2223                             break;
2224                         case 'b':
2225                             size = 1;
2226                             p++;
2227                             break;
2228                         case 'h':
2229                             size = 2;
2230                             p++;
2231                             break;
2232                         case 'w':
2233                             size = 4;
2234                             p++;
2235                             break;
2236                         case 'g':
2237                         case 'L':
2238                             size = 8;
2239                             p++;
2240                             break;
2241                         default:
2242                             goto next;
2243                         }
2244                     }
2245                 next:
2246                     if (*p != '\0' && !isspace(*p)) {
2247                         term_printf("invalid char in format: '%c'\n", *p);
2248                         goto fail;
2249                     }
2250                     if (format < 0)
2251                         format = default_fmt_format;
2252                     if (format != 'i') {
2253                         /* for 'i', not specifying a size gives -1 as size */
2254                         if (size < 0)
2255                             size = default_fmt_size;
2256                     }
2257                     default_fmt_size = size;
2258                     default_fmt_format = format;
2259                 } else {
2260                     count = 1;
2261                     format = default_fmt_format;
2262                     if (format != 'i') {
2263                         size = default_fmt_size;
2264                     } else {
2265                         size = -1;
2266                     }
2267                 }
2268                 if (nb_args + 3 > MAX_ARGS)
2269                     goto error_args;
2270                 args[nb_args++] = (void*)(long)count;
2271                 args[nb_args++] = (void*)(long)format;
2272                 args[nb_args++] = (void*)(long)size;
2273             }
2274             break;
2275         case 'i':
2276         case 'l':
2277             {
2278                 int64_t val;
2279
2280                 while (isspace(*p))
2281                     p++;
2282                 if (*typestr == '?' || *typestr == '.') {
2283                     if (*typestr == '?') {
2284                         if (*p == '\0')
2285                             has_arg = 0;
2286                         else
2287                             has_arg = 1;
2288                     } else {
2289                         if (*p == '.') {
2290                             p++;
2291                             while (isspace(*p))
2292                                 p++;
2293                             has_arg = 1;
2294                         } else {
2295                             has_arg = 0;
2296                         }
2297                     }
2298                     typestr++;
2299                     if (nb_args >= MAX_ARGS)
2300                         goto error_args;
2301                     args[nb_args++] = (void *)(long)has_arg;
2302                     if (!has_arg) {
2303                         if (nb_args >= MAX_ARGS)
2304                             goto error_args;
2305                         val = -1;
2306                         goto add_num;
2307                     }
2308                 }
2309                 if (get_expr(&val, &p))
2310                     goto fail;
2311             add_num:
2312                 if (c == 'i') {
2313                     if (nb_args >= MAX_ARGS)
2314                         goto error_args;
2315                     args[nb_args++] = (void *)(long)val;
2316                 } else {
2317                     if ((nb_args + 1) >= MAX_ARGS)
2318                         goto error_args;
2319 #if TARGET_PHYS_ADDR_BITS > 32
2320                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2321 #else
2322                     args[nb_args++] = (void *)0;
2323 #endif
2324                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2325                 }
2326             }
2327             break;
2328         case '-':
2329             {
2330                 int has_option;
2331                 /* option */
2332
2333                 c = *typestr++;
2334                 if (c == '\0')
2335                     goto bad_type;
2336                 while (isspace(*p))
2337                     p++;
2338                 has_option = 0;
2339                 if (*p == '-') {
2340                     p++;
2341                     if (*p != c) {
2342                         term_printf("%s: unsupported option -%c\n",
2343                                     cmdname, *p);
2344                         goto fail;
2345                     }
2346                     p++;
2347                     has_option = 1;
2348                 }
2349                 if (nb_args >= MAX_ARGS)
2350                     goto error_args;
2351                 args[nb_args++] = (void *)(long)has_option;
2352             }
2353             break;
2354         default:
2355         bad_type:
2356             term_printf("%s: unknown type '%c'\n", cmdname, c);
2357             goto fail;
2358         }
2359     }
2360     /* check that all arguments were parsed */
2361     while (isspace(*p))
2362         p++;
2363     if (*p != '\0') {
2364         term_printf("%s: extraneous characters at the end of line\n",
2365                     cmdname);
2366         goto fail;
2367     }
2368
2369     switch(nb_args) {
2370     case 0:
2371         cmd->handler();
2372         break;
2373     case 1:
2374         cmd->handler(args[0]);
2375         break;
2376     case 2:
2377         cmd->handler(args[0], args[1]);
2378         break;
2379     case 3:
2380         cmd->handler(args[0], args[1], args[2]);
2381         break;
2382     case 4:
2383         cmd->handler(args[0], args[1], args[2], args[3]);
2384         break;
2385     case 5:
2386         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2387         break;
2388     case 6:
2389         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2390         break;
2391     case 7:
2392         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2393         break;
2394     default:
2395         term_printf("unsupported number of arguments: %d\n", nb_args);
2396         goto fail;
2397     }
2398  fail:
2399     for(i = 0; i < MAX_ARGS; i++)
2400         qemu_free(str_allocated[i]);
2401     return;
2402 }
2403
2404 static void cmd_completion(const char *name, const char *list)
2405 {
2406     const char *p, *pstart;
2407     char cmd[128];
2408     int len;
2409
2410     p = list;
2411     for(;;) {
2412         pstart = p;
2413         p = strchr(p, '|');
2414         if (!p)
2415             p = pstart + strlen(pstart);
2416         len = p - pstart;
2417         if (len > sizeof(cmd) - 2)
2418             len = sizeof(cmd) - 2;
2419         memcpy(cmd, pstart, len);
2420         cmd[len] = '\0';
2421         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2422             add_completion(cmd);
2423         }
2424         if (*p == '\0')
2425             break;
2426         p++;
2427     }
2428 }
2429
2430 static void file_completion(const char *input)
2431 {
2432     DIR *ffs;
2433     struct dirent *d;
2434     char path[1024];
2435     char file[1024], file_prefix[1024];
2436     int input_path_len;
2437     const char *p;
2438
2439     p = strrchr(input, '/');
2440     if (!p) {
2441         input_path_len = 0;
2442         pstrcpy(file_prefix, sizeof(file_prefix), input);
2443         strcpy(path, ".");
2444     } else {
2445         input_path_len = p - input + 1;
2446         memcpy(path, input, input_path_len);
2447         if (input_path_len > sizeof(path) - 1)
2448             input_path_len = sizeof(path) - 1;
2449         path[input_path_len] = '\0';
2450         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2451     }
2452 #ifdef DEBUG_COMPLETION
2453     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2454 #endif
2455     ffs = opendir(path);
2456     if (!ffs)
2457         return;
2458     for(;;) {
2459         struct stat sb;
2460         d = readdir(ffs);
2461         if (!d)
2462             break;
2463         if (strstart(d->d_name, file_prefix, NULL)) {
2464             memcpy(file, input, input_path_len);
2465             strcpy(file + input_path_len, d->d_name);
2466             /* stat the file to find out if it's a directory.
2467              * In that case add a slash to speed up typing long paths
2468              */
2469             stat(file, &sb);
2470             if(S_ISDIR(sb.st_mode))
2471                 strcat(file, "/");
2472             add_completion(file);
2473         }
2474     }
2475     closedir(ffs);
2476 }
2477
2478 static void block_completion_it(void *opaque, const char *name)
2479 {
2480     const char *input = opaque;
2481
2482     if (input[0] == '\0' ||
2483         !strncmp(name, (char *)input, strlen(input))) {
2484         add_completion(name);
2485     }
2486 }
2487
2488 /* NOTE: this parser is an approximate form of the real command parser */
2489 static void parse_cmdline(const char *cmdline,
2490                          int *pnb_args, char **args)
2491 {
2492     const char *p;
2493     int nb_args, ret;
2494     char buf[1024];
2495
2496     p = cmdline;
2497     nb_args = 0;
2498     for(;;) {
2499         while (isspace(*p))
2500             p++;
2501         if (*p == '\0')
2502             break;
2503         if (nb_args >= MAX_ARGS)
2504             break;
2505         ret = get_str(buf, sizeof(buf), &p);
2506         args[nb_args] = qemu_strdup(buf);
2507         nb_args++;
2508         if (ret < 0)
2509             break;
2510     }
2511     *pnb_args = nb_args;
2512 }
2513
2514 void readline_find_completion(const char *cmdline)
2515 {
2516     const char *cmdname;
2517     char *args[MAX_ARGS];
2518     int nb_args, i, len;
2519     const char *ptype, *str;
2520     term_cmd_t *cmd;
2521     const KeyDef *key;
2522
2523     parse_cmdline(cmdline, &nb_args, args);
2524 #ifdef DEBUG_COMPLETION
2525     for(i = 0; i < nb_args; i++) {
2526         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2527     }
2528 #endif
2529
2530     /* if the line ends with a space, it means we want to complete the
2531        next arg */
2532     len = strlen(cmdline);
2533     if (len > 0 && isspace(cmdline[len - 1])) {
2534         if (nb_args >= MAX_ARGS)
2535             return;
2536         args[nb_args++] = qemu_strdup("");
2537     }
2538     if (nb_args <= 1) {
2539         /* command completion */
2540         if (nb_args == 0)
2541             cmdname = "";
2542         else
2543             cmdname = args[0];
2544         completion_index = strlen(cmdname);
2545         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2546             cmd_completion(cmdname, cmd->name);
2547         }
2548     } else {
2549         /* find the command */
2550         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2551             if (compare_cmd(args[0], cmd->name))
2552                 goto found;
2553         }
2554         return;
2555     found:
2556         ptype = cmd->args_type;
2557         for(i = 0; i < nb_args - 2; i++) {
2558             if (*ptype != '\0') {
2559                 ptype++;
2560                 while (*ptype == '?')
2561                     ptype++;
2562             }
2563         }
2564         str = args[nb_args - 1];
2565         switch(*ptype) {
2566         case 'F':
2567             /* file completion */
2568             completion_index = strlen(str);
2569             file_completion(str);
2570             break;
2571         case 'B':
2572             /* block device name completion */
2573             completion_index = strlen(str);
2574             bdrv_iterate(block_completion_it, (void *)str);
2575             break;
2576         case 's':
2577             /* XXX: more generic ? */
2578             if (!strcmp(cmd->name, "info")) {
2579                 completion_index = strlen(str);
2580                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2581                     cmd_completion(str, cmd->name);
2582                 }
2583             } else if (!strcmp(cmd->name, "sendkey")) {
2584                 completion_index = strlen(str);
2585                 for(key = key_defs; key->name != NULL; key++) {
2586                     cmd_completion(str, key->name);
2587                 }
2588             }
2589             break;
2590         default:
2591             break;
2592         }
2593     }
2594     for(i = 0; i < nb_args; i++)
2595         qemu_free(args[i]);
2596 }
2597
2598 static int term_can_read(void *opaque)
2599 {
2600     return 128;
2601 }
2602
2603 static void term_read(void *opaque, const uint8_t *buf, int size)
2604 {
2605     int i;
2606     for(i = 0; i < size; i++)
2607         readline_handle_byte(buf[i]);
2608 }
2609
2610 static void monitor_start_input(void);
2611
2612 static void monitor_handle_command1(void *opaque, const char *cmdline)
2613 {
2614     monitor_handle_command(cmdline);
2615     monitor_start_input();
2616 }
2617
2618 static void monitor_start_input(void)
2619 {
2620     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2621 }
2622
2623 static void term_event(void *opaque, int event)
2624 {
2625     if (event != CHR_EVENT_RESET)
2626         return;
2627
2628     if (!hide_banner)
2629             term_printf("QEMU %s monitor - type 'help' for more information\n",
2630                         QEMU_VERSION);
2631     monitor_start_input();
2632 }
2633
2634 static int is_first_init = 1;
2635
2636 void monitor_init(CharDriverState *hd, int show_banner)
2637 {
2638     int i;
2639
2640     if (is_first_init) {
2641         for (i = 0; i < MAX_MON; i++) {
2642             monitor_hd[i] = NULL;
2643         }
2644         is_first_init = 0;
2645     }
2646     for (i = 0; i < MAX_MON; i++) {
2647         if (monitor_hd[i] == NULL) {
2648             monitor_hd[i] = hd;
2649             break;
2650         }
2651     }
2652
2653     hide_banner = !show_banner;
2654
2655     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2656
2657     readline_start("", 0, monitor_handle_command1, NULL);
2658 }
2659
2660 /* XXX: use threads ? */
2661 /* modal monitor readline */
2662 static int monitor_readline_started;
2663 static char *monitor_readline_buf;
2664 static int monitor_readline_buf_size;
2665
2666 static void monitor_readline_cb(void *opaque, const char *input)
2667 {
2668     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2669     monitor_readline_started = 0;
2670 }
2671
2672 void monitor_readline(const char *prompt, int is_password,
2673                       char *buf, int buf_size)
2674 {
2675     int i;
2676
2677     if (is_password) {
2678         for (i = 0; i < MAX_MON; i++)
2679             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2680                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2681     }
2682     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2683     monitor_readline_buf = buf;
2684     monitor_readline_buf_size = buf_size;
2685     monitor_readline_started = 1;
2686     while (monitor_readline_started) {
2687         main_loop_wait(10);
2688     }
2689 }