monitor.c

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