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 //#define DEBUG
  29 //#define DEBUG_COMPLETION
  30
  31 #ifndef offsetof
  32 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  33 #endif
  34
  35 /*
  36  * Supported types:
  37  *
  38  * 'F'          filename
  39  * 'B'          block device name
  40  * 's'          string (accept optional quote)
  41  * 'i'          32 bit integer
  42  * 'l'          target long (32 or 64 bit)
  43  * '/'          optional gdb-like print format (like "/10x")
  44  *
  45  * '?'          optional type (for 'F', 's' and 'i')
  46  *
  47  */
  48
  49 typedef struct term_cmd_t {
  50     const char *name;
  51     const char *args_type;
  52     void (*handler)();
  53     const char *params;
  54     const char *help;
  55 } term_cmd_t;
  56
  57 static CharDriverState *monitor_hd;
  58
  59 static term_cmd_t term_cmds[];
  60 static term_cmd_t info_cmds[];
  61
  62 static char term_outbuf[1024];
  63 static int term_outbuf_index;
  64
  65 static void monitor_start_input(void);
  66
  67 CPUState *mon_cpu = NULL;
  68
  69 void term_flush(void)
  70 {
  71     if (term_outbuf_index > 0) {
  72         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  73         term_outbuf_index = 0;
  74     }
  75 }
  76
  77 /* flush at every end of line or if the buffer is full */
  78 void term_puts(const char *str)
  79 {
  80     int c;
  81     for(;;) {
  82         c = *str++;
  83         if (c == '\0')
  84             break;
  85         if (c == '\n')
  86             term_outbuf[term_outbuf_index++] = '\r';
  87         term_outbuf[term_outbuf_index++] = c;
  88         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  89             c == '\n')
  90             term_flush();
  91     }
  92 }
  93
  94 void term_vprintf(const char *fmt, va_list ap)
  95 {
  96     char buf[4096];
  97     vsnprintf(buf, sizeof(buf), fmt, ap);
  98     term_puts(buf);
  99 }
 100
 101 void term_printf(const char *fmt, ...)
 102 {
 103     va_list ap;
 104     va_start(ap, fmt);
 105     term_vprintf(fmt, ap);
 106     va_end(ap);
 107 }
 108
 109 void term_print_filename(const char *filename)
 110 {
 111     int i;
 112
 113     for (i = 0; filename[i]; i++) {
 114         switch (filename[i]) {
 115         case ' ':
 116         case '"':
 117         case '\\':
 118             term_printf("\\%c", filename[i]);
 119             break;
 120         case '\t':
 121             term_printf("\\t");
 122             break;
 123         case '\r':
 124             term_printf("\\r");
 125             break;
 126         case '\n':
 127             term_printf("\\n");
 128             break;
 129         default:
 130             term_printf("%c", filename[i]);
 131             break;
 132         }
 133     }
 134 }
 135
 136 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 137 {
 138     va_list ap;
 139     va_start(ap, fmt);
 140     term_vprintf(fmt, ap);
 141     va_end(ap);
 142     return 0;
 143 }
 144
 145 static int compare_cmd(const char *name, const char *list)
 146 {
 147     const char *p, *pstart;
 148     int len;
 149     len = strlen(name);
 150     p = list;
 151     for(;;) {
 152         pstart = p;
 153         p = strchr(p, '|');
 154         if (!p)
 155             p = pstart + strlen(pstart);
 156         if ((p - pstart) == len && !memcmp(pstart, name, len))
 157             return 1;
 158         if (*p == '\0')
 159             break;
 160         p++;
 161     }
 162     return 0;
 163 }
 164
 165 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 166 {
 167     term_cmd_t *cmd;
 168
 169     for(cmd = cmds; cmd->name != NULL; cmd++) {
 170         if (!name || !strcmp(name, cmd->name))
 171             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 172     }
 173 }
 174
 175 static void help_cmd(const char *name)
 176 {
 177     if (name && !strcmp(name, "info")) {
 178         help_cmd1(info_cmds, "info ", NULL);
 179     } else {
 180         help_cmd1(term_cmds, "", name);
 181         if (name && !strcmp(name, "log")) {
 182             CPULogItem *item;
 183             term_printf("Log items (comma separated):\n");
 184             term_printf("%-10s %s\n", "none", "remove all logs");
 185             for(item = cpu_log_items; item->mask != 0; item++) {
 186                 term_printf("%-10s %s\n", item->name, item->help);
 187             }
 188         }
 189     }
 190 }
 191
 192 static void do_help(const char *name)
 193 {
 194     help_cmd(name);
 195 }
 196
 197 static void do_commit(const char *device)
 198 {
 199     int i, all_devices;
 200
 201     all_devices = !strcmp(device, "all");
 202     for (i = 0; i < MAX_DISKS; i++) {
 203         if (bs_table[i]) {
 204             if (all_devices ||
 205                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 206                 bdrv_commit(bs_table[i]);
 207         }
 208     }
 209 }
 210
 211 static void do_info(const char *item)
 212 {
 213     term_cmd_t *cmd;
 214
 215     if (!item)
 216         goto help;
 217     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 218         if (compare_cmd(item, cmd->name))
 219             goto found;
 220     }
 221  help:
 222     help_cmd("info");
 223     return;
 224  found:
 225     cmd->handler();
 226 }
 227
 228 static void do_info_version(void)
 229 {
 230   term_printf("%s\n", QEMU_VERSION);
 231 }
 232
 233 static void do_info_block(void)
 234 {
 235     bdrv_info();
 236 }
 237
 238 /* get the current CPU defined by the user */
 239 int mon_set_cpu(int cpu_index)
 240 {
 241     CPUState *env;
 242
 243     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 244         if (env->cpu_index == cpu_index) {
 245             mon_cpu = env;
 246             return 0;
 247         }
 248     }
 249     return -1;
 250 }
 251
 252 CPUState *mon_get_cpu(void)
 253 {
 254     if (!mon_cpu) {
 255         mon_set_cpu(0);
 256     }
 257     return mon_cpu;
 258 }
 259
 260 static void do_info_registers(void)
 261 {
 262     CPUState *env;
 263     env = mon_get_cpu();
 264     if (!env)
 265         return;
 266 #ifdef TARGET_I386
 267     cpu_dump_state(env, NULL, monitor_fprintf,
 268                    X86_DUMP_FPU);
 269 #else
 270     cpu_dump_state(env, NULL, monitor_fprintf,
 271                    0);
 272 #endif
 273 }
 274
 275 static void do_info_cpus(void)
 276 {
 277     CPUState *env;
 278
 279     /* just to set the default cpu if not already done */
 280     mon_get_cpu();
 281
 282     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 283         term_printf("%c CPU #%d:",
 284                     (env == mon_cpu) ? '*' : ' ',
 285                     env->cpu_index);
 286 #if defined(TARGET_I386)
 287         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 288         if (env->hflags & HF_HALTED_MASK)
 289             term_printf(" (halted)");
 290 #elif defined(TARGET_PPC)
 291         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 292         if (env->halted)
 293             term_printf(" (halted)");
 294 #elif defined(TARGET_SPARC)
 295         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 296         if (env->halted)
 297             term_printf(" (halted)");
 298 #endif
 299         term_printf("\n");
 300     }
 301 }
 302
 303 static void do_cpu_set(int index)
 304 {
 305     if (mon_set_cpu(index) < 0)
 306         term_printf("Invalid CPU index\n");
 307 }
 308
 309 static void do_info_jit(void)
 310 {
 311     dump_exec_info(NULL, monitor_fprintf);
 312 }
 313
 314 static void do_info_history (void)
 315 {
 316     int i;
 317     const char *str;
 318
 319     i = 0;
 320     for(;;) {
 321         str = readline_get_history(i);
 322         if (!str)
 323             break;
 324         term_printf("%d: '%s'\n", i, str);
 325         i++;
 326     }
 327 }
 328
 329 static void do_quit(void)
 330 {
 331     exit(0);
 332 }
 333
 334 static int eject_device(BlockDriverState *bs, int force)
 335 {
 336     if (bdrv_is_inserted(bs)) {
 337         if (!force) {
 338             if (!bdrv_is_removable(bs)) {
 339                 term_printf("device is not removable\n");
 340                 return -1;
 341             }
 342             if (bdrv_is_locked(bs)) {
 343                 term_printf("device is locked\n");
 344                 return -1;
 345             }
 346         }
 347         bdrv_close(bs);
 348     }
 349     return 0;
 350 }
 351
 352 static void do_eject(int force, const char *filename)
 353 {
 354     BlockDriverState *bs;
 355
 356     bs = bdrv_find(filename);
 357     if (!bs) {
 358         term_printf("device not found\n");
 359         return;
 360     }
 361     eject_device(bs, force);
 362 }
 363
 364 static void do_change(const char *device, const char *filename)
 365 {
 366     BlockDriverState *bs;
 367     int i;
 368     char password[256];
 369
 370     bs = bdrv_find(device);
 371     if (!bs) {
 372         term_printf("device not found\n");
 373         return;
 374     }
 375     if (eject_device(bs, 0) < 0)
 376         return;
 377     bdrv_open(bs, filename, 0);
 378     if (bdrv_is_encrypted(bs)) {
 379         term_printf("%s is encrypted.\n", device);
 380         for(i = 0; i < 3; i++) {
 381             monitor_readline("Password: ", 1, password, sizeof(password));
 382             if (bdrv_set_key(bs, password) == 0)
 383                 break;
 384             term_printf("invalid password\n");
 385         }
 386     }
 387 }
 388
 389 static void do_screen_dump(const char *filename)
 390 {
 391     vga_hw_screen_dump(filename);
 392 }
 393
 394 static void do_log(const char *items)
 395 {
 396     int mask;
 397
 398     if (!strcmp(items, "none")) {
 399         mask = 0;
 400     } else {
 401         mask = cpu_str_to_log_mask(items);
 402         if (!mask) {
 403             help_cmd("log");
 404             return;
 405         }
 406     }
 407     cpu_set_log(mask);
 408 }
 409
 410 static void do_stop(void)
 411 {
 412     vm_stop(EXCP_INTERRUPT);
 413 }
 414
 415 static void do_cont(void)
 416 {
 417     vm_start();
 418 }
 419
 420 #ifdef CONFIG_GDBSTUB
 421 static void do_gdbserver(int has_port, int port)
 422 {
 423     if (!has_port)
 424         port = DEFAULT_GDBSTUB_PORT;
 425     if (gdbserver_start(port) < 0) {
 426         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 427     } else {
 428         qemu_printf("Waiting gdb connection on port %d\n", port);
 429     }
 430 }
 431 #endif
 432
 433 static void term_printc(int c)
 434 {
 435     term_printf("'");
 436     switch(c) {
 437     case '\'':
 438         term_printf("\\'");
 439         break;
 440     case '\\':
 441         term_printf("\\\\");
 442         break;
 443     case '\n':
 444         term_printf("\\n");
 445         break;
 446     case '\r':
 447         term_printf("\\r");
 448         break;
 449     default:
 450         if (c >= 32 && c <= 126) {
 451             term_printf("%c", c);
 452         } else {
 453             term_printf("\\x%02x", c);
 454         }
 455         break;
 456     }
 457     term_printf("'");
 458 }
 459
 460 static void memory_dump(int count, int format, int wsize,
 461                         target_ulong addr, int is_physical)
 462 {
 463     CPUState *env;
 464     int nb_per_line, l, line_size, i, max_digits, len;
 465     uint8_t buf[16];
 466     uint64_t v;
 467
 468     if (format == 'i') {
 469         int flags;
 470         flags = 0;
 471         env = mon_get_cpu();
 472         if (!env && !is_physical)
 473             return;
 474 #ifdef TARGET_I386
 475         if (wsize == 2) {
 476             flags = 1;
 477         } else if (wsize == 4) {
 478             flags = 0;
 479         } else {
 480             /* as default we use the current CS size */
 481             flags = 0;
 482             if (env) {
 483 #ifdef TARGET_X86_64
 484                 if ((env->efer & MSR_EFER_LMA) &&
 485                     (env->segs[R_CS].flags & DESC_L_MASK))
 486                     flags = 2;
 487                 else
 488 #endif
 489                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 490                     flags = 1;
 491             }
 492         }
 493 #endif
 494         monitor_disas(env, addr, count, is_physical, flags);
 495         return;
 496     }
 497
 498     len = wsize * count;
 499     if (wsize == 1)
 500         line_size = 8;
 501     else
 502         line_size = 16;
 503     nb_per_line = line_size / wsize;
 504     max_digits = 0;
 505
 506     switch(format) {
 507     case 'o':
 508         max_digits = (wsize * 8 + 2) / 3;
 509         break;
 510     default:
 511     case 'x':
 512         max_digits = (wsize * 8) / 4;
 513         break;
 514     case 'u':
 515     case 'd':
 516         max_digits = (wsize * 8 * 10 + 32) / 33;
 517         break;
 518     case 'c':
 519         wsize = 1;
 520         break;
 521     }
 522
 523     while (len > 0) {
 524         term_printf(TARGET_FMT_lx ":", addr);
 525         l = len;
 526         if (l > line_size)
 527             l = line_size;
 528         if (is_physical) {
 529             cpu_physical_memory_rw(addr, buf, l, 0);
 530         } else {
 531             env = mon_get_cpu();
 532             if (!env)
 533                 break;
 534             cpu_memory_rw_debug(env, addr, buf, l, 0);
 535         }
 536         i = 0;
 537         while (i < l) {
 538             switch(wsize) {
 539             default:
 540             case 1:
 541                 v = ldub_raw(buf + i);
 542                 break;
 543             case 2:
 544                 v = lduw_raw(buf + i);
 545                 break;
 546             case 4:
 547                 v = (uint32_t)ldl_raw(buf + i);
 548                 break;
 549             case 8:
 550                 v = ldq_raw(buf + i);
 551                 break;
 552             }
 553             term_printf(" ");
 554             switch(format) {
 555             case 'o':
 556                 term_printf("%#*" PRIo64, max_digits, v);
 557                 break;
 558             case 'x':
 559                 term_printf("0x%0*" PRIx64, max_digits, v);
 560                 break;
 561             case 'u':
 562                 term_printf("%*" PRIu64, max_digits, v);
 563                 break;
 564             case 'd':
 565                 term_printf("%*" PRId64, max_digits, v);
 566                 break;
 567             case 'c':
 568                 term_printc(v);
 569                 break;
 570             }
 571             i += wsize;
 572         }
 573         term_printf("\n");
 574         addr += l;
 575         len -= l;
 576     }
 577 }
 578
 579 #if TARGET_LONG_BITS == 64
 580 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 581 #else
 582 #define GET_TLONG(h, l) (l)
 583 #endif
 584
 585 static void do_memory_dump(int count, int format, int size,
 586                            uint32_t addrh, uint32_t addrl)
 587 {
 588     target_long addr = GET_TLONG(addrh, addrl);
 589     memory_dump(count, format, size, addr, 0);
 590 }
 591
 592 static void do_physical_memory_dump(int count, int format, int size,
 593                                     uint32_t addrh, uint32_t addrl)
 594
 595 {
 596     target_long addr = GET_TLONG(addrh, addrl);
 597     memory_dump(count, format, size, addr, 1);
 598 }
 599
 600 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 601 {
 602     target_long val = GET_TLONG(valh, vall);
 603 #if TARGET_LONG_BITS == 32
 604     switch(format) {
 605     case 'o':
 606         term_printf("%#o", val);
 607         break;
 608     case 'x':
 609         term_printf("%#x", val);
 610         break;
 611     case 'u':
 612         term_printf("%u", val);
 613         break;
 614     default:
 615     case 'd':
 616         term_printf("%d", val);
 617         break;
 618     case 'c':
 619         term_printc(val);
 620         break;
 621     }
 622 #else
 623     switch(format) {
 624     case 'o':
 625         term_printf("%#" PRIo64, val);
 626         break;
 627     case 'x':
 628         term_printf("%#" PRIx64, val);
 629         break;
 630     case 'u':
 631         term_printf("%" PRIu64, val);
 632         break;
 633     default:
 634     case 'd':
 635         term_printf("%" PRId64, val);
 636         break;
 637     case 'c':
 638         term_printc(val);
 639         break;
 640     }
 641 #endif
 642     term_printf("\n");
 643 }
 644
 645 static void do_sum(uint32_t start, uint32_t size)
 646 {
 647     uint32_t addr;
 648     uint8_t buf[1];
 649     uint16_t sum;
 650
 651     sum = 0;
 652     for(addr = start; addr < (start + size); addr++) {
 653         cpu_physical_memory_rw(addr, buf, 1, 0);
 654         /* BSD sum algorithm ('sum' Unix command) */
 655         sum = (sum >> 1) | (sum << 15);
 656         sum += buf[0];
 657     }
 658     term_printf("%05d\n", sum);
 659 }
 660
 661 typedef struct {
 662     int keycode;
 663     const char *name;
 664 } KeyDef;
 665
 666 static const KeyDef key_defs[] = {
 667     { 0x2a, "shift" },
 668     { 0x36, "shift_r" },
 669
 670     { 0x38, "alt" },
 671     { 0xb8, "alt_r" },
 672     { 0x1d, "ctrl" },
 673     { 0x9d, "ctrl_r" },
 674
 675     { 0xdd, "menu" },
 676
 677     { 0x01, "esc" },
 678
 679     { 0x02, "1" },
 680     { 0x03, "2" },
 681     { 0x04, "3" },
 682     { 0x05, "4" },
 683     { 0x06, "5" },
 684     { 0x07, "6" },
 685     { 0x08, "7" },
 686     { 0x09, "8" },
 687     { 0x0a, "9" },
 688     { 0x0b, "0" },
 689     { 0x0c, "minus" },
 690     { 0x0d, "equal" },
 691     { 0x0e, "backspace" },
 692
 693     { 0x0f, "tab" },
 694     { 0x10, "q" },
 695     { 0x11, "w" },
 696     { 0x12, "e" },
 697     { 0x13, "r" },
 698     { 0x14, "t" },
 699     { 0x15, "y" },
 700     { 0x16, "u" },
 701     { 0x17, "i" },
 702     { 0x18, "o" },
 703     { 0x19, "p" },
 704
 705     { 0x1c, "ret" },
 706
 707     { 0x1e, "a" },
 708     { 0x1f, "s" },
 709     { 0x20, "d" },
 710     { 0x21, "f" },
 711     { 0x22, "g" },
 712     { 0x23, "h" },
 713     { 0x24, "j" },
 714     { 0x25, "k" },
 715     { 0x26, "l" },
 716
 717     { 0x2c, "z" },
 718     { 0x2d, "x" },
 719     { 0x2e, "c" },
 720     { 0x2f, "v" },
 721     { 0x30, "b" },
 722     { 0x31, "n" },
 723     { 0x32, "m" },
 724
 725     { 0x39, "spc" },
 726     { 0x3a, "caps_lock" },
 727     { 0x3b, "f1" },
 728     { 0x3c, "f2" },
 729     { 0x3d, "f3" },
 730     { 0x3e, "f4" },
 731     { 0x3f, "f5" },
 732     { 0x40, "f6" },
 733     { 0x41, "f7" },
 734     { 0x42, "f8" },
 735     { 0x43, "f9" },
 736     { 0x44, "f10" },
 737     { 0x45, "num_lock" },
 738     { 0x46, "scroll_lock" },
 739
 740     { 0xb5, "kp_divide" },
 741     { 0x37, "kp_multiply" },
 742     { 0x4a, "kp_substract" },
 743     { 0x4e, "kp_add" },
 744     { 0x9c, "kp_enter" },
 745     { 0x53, "kp_decimal" },
 746
 747     { 0x52, "kp_0" },
 748     { 0x4f, "kp_1" },
 749     { 0x50, "kp_2" },
 750     { 0x51, "kp_3" },
 751     { 0x4b, "kp_4" },
 752     { 0x4c, "kp_5" },
 753     { 0x4d, "kp_6" },
 754     { 0x47, "kp_7" },
 755     { 0x48, "kp_8" },
 756     { 0x49, "kp_9" },
 757
 758     { 0x56, "<" },
 759
 760     { 0x57, "f11" },
 761     { 0x58, "f12" },
 762
 763     { 0xb7, "print" },
 764
 765     { 0xc7, "home" },
 766     { 0xc9, "pgup" },
 767     { 0xd1, "pgdn" },
 768     { 0xcf, "end" },
 769
 770     { 0xcb, "left" },
 771     { 0xc8, "up" },
 772     { 0xd0, "down" },
 773     { 0xcd, "right" },
 774
 775     { 0xd2, "insert" },
 776     { 0xd3, "delete" },
 777     { 0, NULL },
 778 };
 779
 780 static int get_keycode(const char *key)
 781 {
 782     const KeyDef *p;
 783     char *endp;
 784     int ret;
 785
 786     for(p = key_defs; p->name != NULL; p++) {
 787         if (!strcmp(key, p->name))
 788             return p->keycode;
 789     }
 790     if (strstart(key, "0x", NULL)) {
 791         ret = strtoul(key, &endp, 0);
 792         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 793             return ret;
 794     }
 795     return -1;
 796 }
 797
 798 static void do_send_key(const char *string)
 799 {
 800     char keybuf[16], *q;
 801     uint8_t keycodes[16];
 802     const char *p;
 803     int nb_keycodes, keycode, i;
 804
 805     nb_keycodes = 0;
 806     p = string;
 807     while (*p != '\0') {
 808         q = keybuf;
 809         while (*p != '\0' && *p != '-') {
 810             if ((q - keybuf) < sizeof(keybuf) - 1) {
 811                 *q++ = *p;
 812             }
 813             p++;
 814         }
 815         *q = '\0';
 816         keycode = get_keycode(keybuf);
 817         if (keycode < 0) {
 818             term_printf("unknown key: '%s'\n", keybuf);
 819             return;
 820         }
 821         keycodes[nb_keycodes++] = keycode;
 822         if (*p == '\0')
 823             break;
 824         p++;
 825     }
 826     /* key down events */
 827     for(i = 0; i < nb_keycodes; i++) {
 828         keycode = keycodes[i];
 829         if (keycode & 0x80)
 830             kbd_put_keycode(0xe0);
 831         kbd_put_keycode(keycode & 0x7f);
 832     }
 833     /* key up events */
 834     for(i = nb_keycodes - 1; i >= 0; i--) {
 835         keycode = keycodes[i];
 836         if (keycode & 0x80)
 837             kbd_put_keycode(0xe0);
 838         kbd_put_keycode(keycode | 0x80);
 839     }
 840 }
 841
 842 static int mouse_button_state;
 843
 844 static void do_mouse_move(const char *dx_str, const char *dy_str,
 845                           const char *dz_str)
 846 {
 847     int dx, dy, dz;
 848     dx = strtol(dx_str, NULL, 0);
 849     dy = strtol(dy_str, NULL, 0);
 850     dz = 0;
 851     if (dz_str)
 852         dz = strtol(dz_str, NULL, 0);
 853     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 854 }
 855
 856 static void do_mouse_button(int button_state)
 857 {
 858     mouse_button_state = button_state;
 859     kbd_mouse_event(0, 0, 0, mouse_button_state);
 860 }
 861
 862 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 863 {
 864     uint32_t val;
 865     int suffix;
 866
 867     if (has_index) {
 868         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 869         addr++;
 870     }
 871     addr &= 0xffff;
 872
 873     switch(size) {
 874     default:
 875     case 1:
 876         val = cpu_inb(NULL, addr);
 877         suffix = 'b';
 878         break;
 879     case 2:
 880         val = cpu_inw(NULL, addr);
 881         suffix = 'w';
 882         break;
 883     case 4:
 884         val = cpu_inl(NULL, addr);
 885         suffix = 'l';
 886         break;
 887     }
 888     term_printf("port%c[0x%04x] = %#0*x\n",
 889                 suffix, addr, size * 2, val);
 890 }
 891
 892 static void do_system_reset(void)
 893 {
 894     qemu_system_reset_request();
 895 }
 896
 897 static void do_system_powerdown(void)
 898 {
 899     qemu_system_powerdown_request();
 900 }
 901
 902 #if defined(TARGET_I386)
 903 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 904 {
 905     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 906                 addr,
 907                 pte & mask,
 908                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 909                 pte & PG_PSE_MASK ? 'P' : '-',
 910                 pte & PG_DIRTY_MASK ? 'D' : '-',
 911                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 912                 pte & PG_PCD_MASK ? 'C' : '-',
 913                 pte & PG_PWT_MASK ? 'T' : '-',
 914                 pte & PG_USER_MASK ? 'U' : '-',
 915                 pte & PG_RW_MASK ? 'W' : '-');
 916 }
 917
 918 static void tlb_info(void)
 919 {
 920     CPUState *env;
 921     int l1, l2;
 922     uint32_t pgd, pde, pte;
 923
 924     env = mon_get_cpu();
 925     if (!env)
 926         return;
 927
 928     if (!(env->cr[0] & CR0_PG_MASK)) {
 929         term_printf("PG disabled\n");
 930         return;
 931     }
 932     pgd = env->cr[3] & ~0xfff;
 933     for(l1 = 0; l1 < 1024; l1++) {
 934         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 935         pde = le32_to_cpu(pde);
 936         if (pde & PG_PRESENT_MASK) {
 937             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 938                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 939             } else {
 940                 for(l2 = 0; l2 < 1024; l2++) {
 941                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 942                                              (uint8_t *)&pte, 4);
 943                     pte = le32_to_cpu(pte);
 944                     if (pte & PG_PRESENT_MASK) {
 945                         print_pte((l1 << 22) + (l2 << 12),
 946                                   pte & ~PG_PSE_MASK,
 947                                   ~0xfff);
 948                     }
 949                 }
 950             }
 951         }
 952     }
 953 }
 954
 955 static void mem_print(uint32_t *pstart, int *plast_prot,
 956                       uint32_t end, int prot)
 957 {
 958     int prot1;
 959     prot1 = *plast_prot;
 960     if (prot != prot1) {
 961         if (*pstart != -1) {
 962             term_printf("%08x-%08x %08x %c%c%c\n",
 963                         *pstart, end, end - *pstart,
 964                         prot1 & PG_USER_MASK ? 'u' : '-',
 965                         'r',
 966                         prot1 & PG_RW_MASK ? 'w' : '-');
 967         }
 968         if (prot != 0)
 969             *pstart = end;
 970         else
 971             *pstart = -1;
 972         *plast_prot = prot;
 973     }
 974 }
 975
 976 static void mem_info(void)
 977 {
 978     CPUState *env;
 979     int l1, l2, prot, last_prot;
 980     uint32_t pgd, pde, pte, start, end;
 981
 982     env = mon_get_cpu();
 983     if (!env)
 984         return;
 985
 986     if (!(env->cr[0] & CR0_PG_MASK)) {
 987         term_printf("PG disabled\n");
 988         return;
 989     }
 990     pgd = env->cr[3] & ~0xfff;
 991     last_prot = 0;
 992     start = -1;
 993     for(l1 = 0; l1 < 1024; l1++) {
 994         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 995         pde = le32_to_cpu(pde);
 996         end = l1 << 22;
 997         if (pde & PG_PRESENT_MASK) {
 998             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 999                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1000                 mem_print(&start, &last_prot, end, prot);
1001             } else {
1002                 for(l2 = 0; l2 < 1024; l2++) {
1003                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1004                                              (uint8_t *)&pte, 4);
1005                     pte = le32_to_cpu(pte);
1006                     end = (l1 << 22) + (l2 << 12);
1007                     if (pte & PG_PRESENT_MASK) {
1008                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1009                     } else {
1010                         prot = 0;
1011                     }
1012                     mem_print(&start, &last_prot, end, prot);
1013                 }
1014             }
1015         } else {
1016             prot = 0;
1017             mem_print(&start, &last_prot, end, prot);
1018         }
1019     }
1020 }
1021 #endif
1022
1023 static void do_info_kqemu(void)
1024 {
1025 #ifdef USE_KQEMU
1026     CPUState *env;
1027     int val;
1028     val = 0;
1029     env = mon_get_cpu();
1030     if (!env) {
1031         term_printf("No cpu initialized yet");
1032         return;
1033     }
1034     val = env->kqemu_enabled;
1035     term_printf("kqemu support: ");
1036     switch(val) {
1037     default:
1038     case 0:
1039         term_printf("disabled\n");
1040         break;
1041     case 1:
1042         term_printf("enabled for user code\n");
1043         break;
1044     case 2:
1045         term_printf("enabled for user and kernel code\n");
1046         break;
1047     }
1048 #else
1049     term_printf("kqemu support: not compiled\n");
1050 #endif
1051 }
1052
1053 #ifdef CONFIG_PROFILER
1054
1055 int64_t kqemu_time;
1056 int64_t qemu_time;
1057 int64_t kqemu_exec_count;
1058 int64_t dev_time;
1059 int64_t kqemu_ret_int_count;
1060 int64_t kqemu_ret_excp_count;
1061 int64_t kqemu_ret_intr_count;
1062
1063 static void do_info_profile(void)
1064 {
1065     int64_t total;
1066     total = qemu_time;
1067     if (total == 0)
1068         total = 1;
1069     term_printf("async time  %" PRId64 " (%0.3f)\n",
1070                 dev_time, dev_time / (double)ticks_per_sec);
1071     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1072                 qemu_time, qemu_time / (double)ticks_per_sec);
1073     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1074                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1075                 kqemu_time / (double)total * 100.0,
1076                 kqemu_exec_count,
1077                 kqemu_ret_int_count,
1078                 kqemu_ret_excp_count,
1079                 kqemu_ret_intr_count);
1080     qemu_time = 0;
1081     kqemu_time = 0;
1082     kqemu_exec_count = 0;
1083     dev_time = 0;
1084     kqemu_ret_int_count = 0;
1085     kqemu_ret_excp_count = 0;
1086     kqemu_ret_intr_count = 0;
1087 #ifdef USE_KQEMU
1088     kqemu_record_dump();
1089 #endif
1090 }
1091 #else
1092 static void do_info_profile(void)
1093 {
1094     term_printf("Internal profiler not compiled\n");
1095 }
1096 #endif
1097
1098 /* Capture support */
1099 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1100
1101 static void do_info_capture (void)
1102 {
1103     int i;
1104     CaptureState *s;
1105
1106     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1107         term_printf ("[%d]: ", i);
1108         s->ops.info (s->opaque);
1109     }
1110 }
1111
1112 static void do_stop_capture (int n)
1113 {
1114     int i;
1115     CaptureState *s;
1116
1117     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1118         if (i == n) {
1119             s->ops.destroy (s->opaque);
1120             LIST_REMOVE (s, entries);
1121             qemu_free (s);
1122             return;
1123         }
1124     }
1125 }
1126
1127 #ifdef HAS_AUDIO
1128 int wav_start_capture (CaptureState *s, const char *path, int freq,
1129                        int bits, int nchannels);
1130
1131 static void do_wav_capture (const char *path,
1132                             int has_freq, int freq,
1133                             int has_bits, int bits,
1134                             int has_channels, int nchannels)
1135 {
1136     CaptureState *s;
1137
1138     s = qemu_mallocz (sizeof (*s));
1139     if (!s) {
1140         term_printf ("Not enough memory to add wave capture\n");
1141         return;
1142     }
1143
1144     freq = has_freq ? freq : 44100;
1145     bits = has_bits ? bits : 16;
1146     nchannels = has_channels ? nchannels : 2;
1147
1148     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1149         term_printf ("Faied to add wave capture\n");
1150         qemu_free (s);
1151     }
1152     LIST_INSERT_HEAD (&capture_head, s, entries);
1153 }
1154 #endif
1155
1156 static term_cmd_t term_cmds[] = {
1157     { "help|?", "s?", do_help,
1158       "[cmd]", "show the help" },
1159     { "commit", "s", do_commit,
1160       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1161     { "info", "s?", do_info,
1162       "subcommand", "show various information about the system state" },
1163     { "q|quit", "", do_quit,
1164       "", "quit the emulator" },
1165     { "eject", "-fB", do_eject,
1166       "[-f] device", "eject a removable media (use -f to force it)" },
1167     { "change", "BF", do_change,
1168       "device filename", "change a removable media" },
1169     { "screendump", "F", do_screen_dump,
1170       "filename", "save screen into PPM image 'filename'" },
1171     { "log", "s", do_log,
1172       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1173     { "savevm", "s?", do_savevm,
1174       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1175     { "loadvm", "s", do_loadvm,
1176       "tag|id", "restore a VM snapshot from its tag or id" },
1177     { "delvm", "s", do_delvm,
1178       "tag|id", "delete a VM snapshot from its tag or id" },
1179     { "stop", "", do_stop,
1180       "", "stop emulation", },
1181     { "c|cont", "", do_cont,
1182       "", "resume emulation", },
1183 #ifdef CONFIG_GDBSTUB
1184     { "gdbserver", "i?", do_gdbserver,
1185       "[port]", "start gdbserver session (default port=1234)", },
1186 #endif
1187     { "x", "/l", do_memory_dump,
1188       "/fmt addr", "virtual memory dump starting at 'addr'", },
1189     { "xp", "/l", do_physical_memory_dump,
1190       "/fmt addr", "physical memory dump starting at 'addr'", },
1191     { "p|print", "/l", do_print,
1192       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1193     { "i", "/ii.", do_ioport_read,
1194       "/fmt addr", "I/O port read" },
1195
1196     { "sendkey", "s", do_send_key,
1197       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1198     { "system_reset", "", do_system_reset,
1199       "", "reset the system" },
1200     { "system_powerdown", "", do_system_powerdown,
1201       "", "send system power down event" },
1202     { "sum", "ii", do_sum,
1203       "addr size", "compute the checksum of a memory region" },
1204     { "usb_add", "s", do_usb_add,
1205       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1206     { "usb_del", "s", do_usb_del,
1207       "device", "remove USB device 'bus.addr'" },
1208     { "cpu", "i", do_cpu_set,
1209       "index", "set the default CPU" },
1210     { "mouse_move", "sss?", do_mouse_move,
1211       "dx dy [dz]", "send mouse move events" },
1212     { "mouse_button", "i", do_mouse_button,
1213       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1214 #ifdef HAS_AUDIO
1215     { "wavcapture", "si?i?i?", do_wav_capture,
1216       "path [frequency bits channels]",
1217       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1218 #endif
1219      { "stopcapture", "i", do_stop_capture,
1220        "capture index", "stop capture" },
1221     { NULL, NULL, },
1222 };
1223
1224 static term_cmd_t info_cmds[] = {
1225     { "version", "", do_info_version,
1226       "", "show the version of qemu" },
1227     { "network", "", do_info_network,
1228       "", "show the network state" },
1229     { "block", "", do_info_block,
1230       "", "show the block devices" },
1231     { "registers", "", do_info_registers,
1232       "", "show the cpu registers" },
1233     { "cpus", "", do_info_cpus,
1234       "", "show infos for each CPU" },
1235     { "history", "", do_info_history,
1236       "", "show the command line history", },
1237     { "irq", "", irq_info,
1238       "", "show the interrupts statistics (if available)", },
1239     { "pic", "", pic_info,
1240       "", "show i8259 (PIC) state", },
1241     { "pci", "", pci_info,
1242       "", "show PCI info", },
1243 #if defined(TARGET_I386)
1244     { "tlb", "", tlb_info,
1245       "", "show virtual to physical memory mappings", },
1246     { "mem", "", mem_info,
1247       "", "show the active virtual memory mappings", },
1248 #endif
1249     { "jit", "", do_info_jit,
1250       "", "show dynamic compiler info", },
1251     { "kqemu", "", do_info_kqemu,
1252       "", "show kqemu information", },
1253     { "usb", "", usb_info,
1254       "", "show guest USB devices", },
1255     { "usbhost", "", usb_host_info,
1256       "", "show host USB devices", },
1257     { "profile", "", do_info_profile,
1258       "", "show profiling information", },
1259     { "capture", "", do_info_capture,
1260       "", "show capture information" },
1261     { "snapshots", "", do_info_snapshots,
1262       "", "show the currently saved VM snapshots" },
1263     { NULL, NULL, },
1264 };
1265
1266 /*******************************************************************/
1267
1268 static const char *pch;
1269 static jmp_buf expr_env;
1270
1271 #define MD_TLONG 0
1272 #define MD_I32   1
1273
1274 typedef struct MonitorDef {
1275     const char *name;
1276     int offset;
1277     target_long (*get_value)(struct MonitorDef *md, int val);
1278     int type;
1279 } MonitorDef;
1280
1281 #if defined(TARGET_I386)
1282 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1283 {
1284     CPUState *env = mon_get_cpu();
1285     if (!env)
1286         return 0;
1287     return env->eip + env->segs[R_CS].base;
1288 }
1289 #endif
1290
1291 #if defined(TARGET_PPC)
1292 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1293 {
1294     CPUState *env = mon_get_cpu();
1295     unsigned int u;
1296     int i;
1297
1298     if (!env)
1299         return 0;
1300
1301     u = 0;
1302     for (i = 0; i < 8; i++)
1303         u |= env->crf[i] << (32 - (4 * i));
1304
1305     return u;
1306 }
1307
1308 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1309 {
1310     CPUState *env = mon_get_cpu();
1311     if (!env)
1312         return 0;
1313     return (env->msr[MSR_POW] << MSR_POW) |
1314         (env->msr[MSR_ILE] << MSR_ILE) |
1315         (env->msr[MSR_EE] << MSR_EE) |
1316         (env->msr[MSR_PR] << MSR_PR) |
1317         (env->msr[MSR_FP] << MSR_FP) |
1318         (env->msr[MSR_ME] << MSR_ME) |
1319         (env->msr[MSR_FE0] << MSR_FE0) |
1320         (env->msr[MSR_SE] << MSR_SE) |
1321         (env->msr[MSR_BE] << MSR_BE) |
1322         (env->msr[MSR_FE1] << MSR_FE1) |
1323         (env->msr[MSR_IP] << MSR_IP) |
1324         (env->msr[MSR_IR] << MSR_IR) |
1325         (env->msr[MSR_DR] << MSR_DR) |
1326         (env->msr[MSR_RI] << MSR_RI) |
1327         (env->msr[MSR_LE] << MSR_LE);
1328 }
1329
1330 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1331 {
1332     CPUState *env = mon_get_cpu();
1333     if (!env)
1334         return 0;
1335     return (env->xer[XER_SO] << XER_SO) |
1336         (env->xer[XER_OV] << XER_OV) |
1337         (env->xer[XER_CA] << XER_CA) |
1338         (env->xer[XER_BC] << XER_BC);
1339 }
1340
1341 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1342 {
1343     CPUState *env = mon_get_cpu();
1344     if (!env)
1345         return 0;
1346     return cpu_ppc_load_decr(env);
1347 }
1348
1349 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1350 {
1351     CPUState *env = mon_get_cpu();
1352     if (!env)
1353         return 0;
1354     return cpu_ppc_load_tbu(env);
1355 }
1356
1357 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1358 {
1359     CPUState *env = mon_get_cpu();
1360     if (!env)
1361         return 0;
1362     return cpu_ppc_load_tbl(env);
1363 }
1364 #endif
1365
1366 #if defined(TARGET_SPARC)
1367 #ifndef TARGET_SPARC64
1368 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1369 {
1370     CPUState *env = mon_get_cpu();
1371     if (!env)
1372         return 0;
1373     return GET_PSR(env);
1374 }
1375 #endif
1376
1377 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1378 {
1379     CPUState *env = mon_get_cpu();
1380     if (!env)
1381         return 0;
1382     return env->regwptr[val];
1383 }
1384 #endif
1385
1386 static MonitorDef monitor_defs[] = {
1387 #ifdef TARGET_I386
1388
1389 #define SEG(name, seg) \
1390     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1391     { name ".base", offsetof(CPUState, segs[seg].base) },\
1392     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1393
1394     { "eax", offsetof(CPUState, regs[0]) },
1395     { "ecx", offsetof(CPUState, regs[1]) },
1396     { "edx", offsetof(CPUState, regs[2]) },
1397     { "ebx", offsetof(CPUState, regs[3]) },
1398     { "esp|sp", offsetof(CPUState, regs[4]) },
1399     { "ebp|fp", offsetof(CPUState, regs[5]) },
1400     { "esi", offsetof(CPUState, regs[6]) },
1401     { "edi", offsetof(CPUState, regs[7]) },
1402 #ifdef TARGET_X86_64
1403     { "r8", offsetof(CPUState, regs[8]) },
1404     { "r9", offsetof(CPUState, regs[9]) },
1405     { "r10", offsetof(CPUState, regs[10]) },
1406     { "r11", offsetof(CPUState, regs[11]) },
1407     { "r12", offsetof(CPUState, regs[12]) },
1408     { "r13", offsetof(CPUState, regs[13]) },
1409     { "r14", offsetof(CPUState, regs[14]) },
1410     { "r15", offsetof(CPUState, regs[15]) },
1411 #endif
1412     { "eflags", offsetof(CPUState, eflags) },
1413     { "eip", offsetof(CPUState, eip) },
1414     SEG("cs", R_CS)
1415     SEG("ds", R_DS)
1416     SEG("es", R_ES)
1417     SEG("ss", R_SS)
1418     SEG("fs", R_FS)
1419     SEG("gs", R_GS)
1420     { "pc", 0, monitor_get_pc, },
1421 #elif defined(TARGET_PPC)
1422     { "r0", offsetof(CPUState, gpr[0]) },
1423     { "r1", offsetof(CPUState, gpr[1]) },
1424     { "r2", offsetof(CPUState, gpr[2]) },
1425     { "r3", offsetof(CPUState, gpr[3]) },
1426     { "r4", offsetof(CPUState, gpr[4]) },
1427     { "r5", offsetof(CPUState, gpr[5]) },
1428     { "r6", offsetof(CPUState, gpr[6]) },
1429     { "r7", offsetof(CPUState, gpr[7]) },
1430     { "r8", offsetof(CPUState, gpr[8]) },
1431     { "r9", offsetof(CPUState, gpr[9]) },
1432     { "r10", offsetof(CPUState, gpr[10]) },
1433     { "r11", offsetof(CPUState, gpr[11]) },
1434     { "r12", offsetof(CPUState, gpr[12]) },
1435     { "r13", offsetof(CPUState, gpr[13]) },
1436     { "r14", offsetof(CPUState, gpr[14]) },
1437     { "r15", offsetof(CPUState, gpr[15]) },
1438     { "r16", offsetof(CPUState, gpr[16]) },
1439     { "r17", offsetof(CPUState, gpr[17]) },
1440     { "r18", offsetof(CPUState, gpr[18]) },
1441     { "r19", offsetof(CPUState, gpr[19]) },
1442     { "r20", offsetof(CPUState, gpr[20]) },
1443     { "r21", offsetof(CPUState, gpr[21]) },
1444     { "r22", offsetof(CPUState, gpr[22]) },
1445     { "r23", offsetof(CPUState, gpr[23]) },
1446     { "r24", offsetof(CPUState, gpr[24]) },
1447     { "r25", offsetof(CPUState, gpr[25]) },
1448     { "r26", offsetof(CPUState, gpr[26]) },
1449     { "r27", offsetof(CPUState, gpr[27]) },
1450     { "r28", offsetof(CPUState, gpr[28]) },
1451     { "r29", offsetof(CPUState, gpr[29]) },
1452     { "r30", offsetof(CPUState, gpr[30]) },
1453     { "r31", offsetof(CPUState, gpr[31]) },
1454     { "nip|pc", offsetof(CPUState, nip) },
1455     { "lr", offsetof(CPUState, lr) },
1456     { "ctr", offsetof(CPUState, ctr) },
1457     { "decr", 0, &monitor_get_decr, },
1458     { "ccr", 0, &monitor_get_ccr, },
1459     { "msr", 0, &monitor_get_msr, },
1460     { "xer", 0, &monitor_get_xer, },
1461     { "tbu", 0, &monitor_get_tbu, },
1462     { "tbl", 0, &monitor_get_tbl, },
1463     { "sdr1", offsetof(CPUState, sdr1) },
1464     { "sr0", offsetof(CPUState, sr[0]) },
1465     { "sr1", offsetof(CPUState, sr[1]) },
1466     { "sr2", offsetof(CPUState, sr[2]) },
1467     { "sr3", offsetof(CPUState, sr[3]) },
1468     { "sr4", offsetof(CPUState, sr[4]) },
1469     { "sr5", offsetof(CPUState, sr[5]) },
1470     { "sr6", offsetof(CPUState, sr[6]) },
1471     { "sr7", offsetof(CPUState, sr[7]) },
1472     { "sr8", offsetof(CPUState, sr[8]) },
1473     { "sr9", offsetof(CPUState, sr[9]) },
1474     { "sr10", offsetof(CPUState, sr[10]) },
1475     { "sr11", offsetof(CPUState, sr[11]) },
1476     { "sr12", offsetof(CPUState, sr[12]) },
1477     { "sr13", offsetof(CPUState, sr[13]) },
1478     { "sr14", offsetof(CPUState, sr[14]) },
1479     { "sr15", offsetof(CPUState, sr[15]) },
1480     /* Too lazy to put BATs and SPRs ... */
1481 #elif defined(TARGET_SPARC)
1482     { "g0", offsetof(CPUState, gregs[0]) },
1483     { "g1", offsetof(CPUState, gregs[1]) },
1484     { "g2", offsetof(CPUState, gregs[2]) },
1485     { "g3", offsetof(CPUState, gregs[3]) },
1486     { "g4", offsetof(CPUState, gregs[4]) },
1487     { "g5", offsetof(CPUState, gregs[5]) },
1488     { "g6", offsetof(CPUState, gregs[6]) },
1489     { "g7", offsetof(CPUState, gregs[7]) },
1490     { "o0", 0, monitor_get_reg },
1491     { "o1", 1, monitor_get_reg },
1492     { "o2", 2, monitor_get_reg },
1493     { "o3", 3, monitor_get_reg },
1494     { "o4", 4, monitor_get_reg },
1495     { "o5", 5, monitor_get_reg },
1496     { "o6", 6, monitor_get_reg },
1497     { "o7", 7, monitor_get_reg },
1498     { "l0", 8, monitor_get_reg },
1499     { "l1", 9, monitor_get_reg },
1500     { "l2", 10, monitor_get_reg },
1501     { "l3", 11, monitor_get_reg },
1502     { "l4", 12, monitor_get_reg },
1503     { "l5", 13, monitor_get_reg },
1504     { "l6", 14, monitor_get_reg },
1505     { "l7", 15, monitor_get_reg },
1506     { "i0", 16, monitor_get_reg },
1507     { "i1", 17, monitor_get_reg },
1508     { "i2", 18, monitor_get_reg },
1509     { "i3", 19, monitor_get_reg },
1510     { "i4", 20, monitor_get_reg },
1511     { "i5", 21, monitor_get_reg },
1512     { "i6", 22, monitor_get_reg },
1513     { "i7", 23, monitor_get_reg },
1514     { "pc", offsetof(CPUState, pc) },
1515     { "npc", offsetof(CPUState, npc) },
1516     { "y", offsetof(CPUState, y) },
1517 #ifndef TARGET_SPARC64
1518     { "psr", 0, &monitor_get_psr, },
1519     { "wim", offsetof(CPUState, wim) },
1520 #endif
1521     { "tbr", offsetof(CPUState, tbr) },
1522     { "fsr", offsetof(CPUState, fsr) },
1523     { "f0", offsetof(CPUState, fpr[0]) },
1524     { "f1", offsetof(CPUState, fpr[1]) },
1525     { "f2", offsetof(CPUState, fpr[2]) },
1526     { "f3", offsetof(CPUState, fpr[3]) },
1527     { "f4", offsetof(CPUState, fpr[4]) },
1528     { "f5", offsetof(CPUState, fpr[5]) },
1529     { "f6", offsetof(CPUState, fpr[6]) },
1530     { "f7", offsetof(CPUState, fpr[7]) },
1531     { "f8", offsetof(CPUState, fpr[8]) },
1532     { "f9", offsetof(CPUState, fpr[9]) },
1533     { "f10", offsetof(CPUState, fpr[10]) },
1534     { "f11", offsetof(CPUState, fpr[11]) },
1535     { "f12", offsetof(CPUState, fpr[12]) },
1536     { "f13", offsetof(CPUState, fpr[13]) },
1537     { "f14", offsetof(CPUState, fpr[14]) },
1538     { "f15", offsetof(CPUState, fpr[15]) },
1539     { "f16", offsetof(CPUState, fpr[16]) },
1540     { "f17", offsetof(CPUState, fpr[17]) },
1541     { "f18", offsetof(CPUState, fpr[18]) },
1542     { "f19", offsetof(CPUState, fpr[19]) },
1543     { "f20", offsetof(CPUState, fpr[20]) },
1544     { "f21", offsetof(CPUState, fpr[21]) },
1545     { "f22", offsetof(CPUState, fpr[22]) },
1546     { "f23", offsetof(CPUState, fpr[23]) },
1547     { "f24", offsetof(CPUState, fpr[24]) },
1548     { "f25", offsetof(CPUState, fpr[25]) },
1549     { "f26", offsetof(CPUState, fpr[26]) },
1550     { "f27", offsetof(CPUState, fpr[27]) },
1551     { "f28", offsetof(CPUState, fpr[28]) },
1552     { "f29", offsetof(CPUState, fpr[29]) },
1553     { "f30", offsetof(CPUState, fpr[30]) },
1554     { "f31", offsetof(CPUState, fpr[31]) },
1555 #ifdef TARGET_SPARC64
1556     { "f32", offsetof(CPUState, fpr[32]) },
1557     { "f34", offsetof(CPUState, fpr[34]) },
1558     { "f36", offsetof(CPUState, fpr[36]) },
1559     { "f38", offsetof(CPUState, fpr[38]) },
1560     { "f40", offsetof(CPUState, fpr[40]) },
1561     { "f42", offsetof(CPUState, fpr[42]) },
1562     { "f44", offsetof(CPUState, fpr[44]) },
1563     { "f46", offsetof(CPUState, fpr[46]) },
1564     { "f48", offsetof(CPUState, fpr[48]) },
1565     { "f50", offsetof(CPUState, fpr[50]) },
1566     { "f52", offsetof(CPUState, fpr[52]) },
1567     { "f54", offsetof(CPUState, fpr[54]) },
1568     { "f56", offsetof(CPUState, fpr[56]) },
1569     { "f58", offsetof(CPUState, fpr[58]) },
1570     { "f60", offsetof(CPUState, fpr[60]) },
1571     { "f62", offsetof(CPUState, fpr[62]) },
1572     { "asi", offsetof(CPUState, asi) },
1573     { "pstate", offsetof(CPUState, pstate) },
1574     { "cansave", offsetof(CPUState, cansave) },
1575     { "canrestore", offsetof(CPUState, canrestore) },
1576     { "otherwin", offsetof(CPUState, otherwin) },
1577     { "wstate", offsetof(CPUState, wstate) },
1578     { "cleanwin", offsetof(CPUState, cleanwin) },
1579     { "fprs", offsetof(CPUState, fprs) },
1580 #endif
1581 #endif
1582     { NULL },
1583 };
1584
1585 static void expr_error(const char *fmt)
1586 {
1587     term_printf(fmt);
1588     term_printf("\n");
1589     longjmp(expr_env, 1);
1590 }
1591
1592 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1593 static int get_monitor_def(target_long *pval, const char *name)
1594 {
1595     MonitorDef *md;
1596     void *ptr;
1597
1598     for(md = monitor_defs; md->name != NULL; md++) {
1599         if (compare_cmd(name, md->name)) {
1600             if (md->get_value) {
1601                 *pval = md->get_value(md, md->offset);
1602             } else {
1603                 CPUState *env = mon_get_cpu();
1604                 if (!env)
1605                     return -2;
1606                 ptr = (uint8_t *)env + md->offset;
1607                 switch(md->type) {
1608                 case MD_I32:
1609                     *pval = *(int32_t *)ptr;
1610                     break;
1611                 case MD_TLONG:
1612                     *pval = *(target_long *)ptr;
1613                     break;
1614                 default:
1615                     *pval = 0;
1616                     break;
1617                 }
1618             }
1619             return 0;
1620         }
1621     }
1622     return -1;
1623 }
1624
1625 static void next(void)
1626 {
1627     if (pch != '\0') {
1628         pch++;
1629         while (isspace(*pch))
1630             pch++;
1631     }
1632 }
1633
1634 static target_long expr_sum(void);
1635
1636 static target_long expr_unary(void)
1637 {
1638     target_long n;
1639     char *p;
1640     int ret;
1641
1642     switch(*pch) {
1643     case '+':
1644         next();
1645         n = expr_unary();
1646         break;
1647     case '-':
1648         next();
1649         n = -expr_unary();
1650         break;
1651     case '~':
1652         next();
1653         n = ~expr_unary();
1654         break;
1655     case '(':
1656         next();
1657         n = expr_sum();
1658         if (*pch != ')') {
1659             expr_error("')' expected");
1660         }
1661         next();
1662         break;
1663     case '\'':
1664         pch++;
1665         if (*pch == '\0')
1666             expr_error("character constant expected");
1667         n = *pch;
1668         pch++;
1669         if (*pch != '\'')
1670             expr_error("missing terminating \' character");
1671         next();
1672         break;
1673     case '$':
1674         {
1675             char buf[128], *q;
1676
1677             pch++;
1678             q = buf;
1679             while ((*pch >= 'a' && *pch <= 'z') ||
1680                    (*pch >= 'A' && *pch <= 'Z') ||
1681                    (*pch >= '0' && *pch <= '9') ||
1682                    *pch == '_' || *pch == '.') {
1683                 if ((q - buf) < sizeof(buf) - 1)
1684                     *q++ = *pch;
1685                 pch++;
1686             }
1687             while (isspace(*pch))
1688                 pch++;
1689             *q = 0;
1690             ret = get_monitor_def(&n, buf);
1691             if (ret == -1)
1692                 expr_error("unknown register");
1693             else if (ret == -2)
1694                 expr_error("no cpu defined");
1695         }
1696         break;
1697     case '\0':
1698         expr_error("unexpected end of expression");
1699         n = 0;
1700         break;
1701     default:
1702 #if TARGET_LONG_BITS == 64
1703         n = strtoull(pch, &p, 0);
1704 #else
1705         n = strtoul(pch, &p, 0);
1706 #endif
1707         if (pch == p) {
1708             expr_error("invalid char in expression");
1709         }
1710         pch = p;
1711         while (isspace(*pch))
1712             pch++;
1713         break;
1714     }
1715     return n;
1716 }
1717
1718
1719 static target_long expr_prod(void)
1720 {
1721     target_long val, val2;
1722     int op;
1723
1724     val = expr_unary();
1725     for(;;) {
1726         op = *pch;
1727         if (op != '*' && op != '/' && op != '%')
1728             break;
1729         next();
1730         val2 = expr_unary();
1731         switch(op) {
1732         default:
1733         case '*':
1734             val *= val2;
1735             break;
1736         case '/':
1737         case '%':
1738             if (val2 == 0)
1739                 expr_error("division by zero");
1740             if (op == '/')
1741                 val /= val2;
1742             else
1743                 val %= val2;
1744             break;
1745         }
1746     }
1747     return val;
1748 }
1749
1750 static target_long expr_logic(void)
1751 {
1752     target_long val, val2;
1753     int op;
1754
1755     val = expr_prod();
1756     for(;;) {
1757         op = *pch;
1758         if (op != '&' && op != '|' && op != '^')
1759             break;
1760         next();
1761         val2 = expr_prod();
1762         switch(op) {
1763         default:
1764         case '&':
1765             val &= val2;
1766             break;
1767         case '|':
1768             val |= val2;
1769             break;
1770         case '^':
1771             val ^= val2;
1772             break;
1773         }
1774     }
1775     return val;
1776 }
1777
1778 static target_long expr_sum(void)
1779 {
1780     target_long val, val2;
1781     int op;
1782
1783     val = expr_logic();
1784     for(;;) {
1785         op = *pch;
1786         if (op != '+' && op != '-')
1787             break;
1788         next();
1789         val2 = expr_logic();
1790         if (op == '+')
1791             val += val2;
1792         else
1793             val -= val2;
1794     }
1795     return val;
1796 }
1797
1798 static int get_expr(target_long *pval, const char **pp)
1799 {
1800     pch = *pp;
1801     if (setjmp(expr_env)) {
1802         *pp = pch;
1803         return -1;
1804     }
1805     while (isspace(*pch))
1806         pch++;
1807     *pval = expr_sum();
1808     *pp = pch;
1809     return 0;
1810 }
1811
1812 static int get_str(char *buf, int buf_size, const char **pp)
1813 {
1814     const char *p;
1815     char *q;
1816     int c;
1817
1818     q = buf;
1819     p = *pp;
1820     while (isspace(*p))
1821         p++;
1822     if (*p == '\0') {
1823     fail:
1824         *q = '\0';
1825         *pp = p;
1826         return -1;
1827     }
1828     if (*p == '\"') {
1829         p++;
1830         while (*p != '\0' && *p != '\"') {
1831             if (*p == '\\') {
1832                 p++;
1833                 c = *p++;
1834                 switch(c) {
1835                 case 'n':
1836                     c = '\n';
1837                     break;
1838                 case 'r':
1839                     c = '\r';
1840                     break;
1841                 case '\\':
1842                 case '\'':
1843                 case '\"':
1844                     break;
1845                 default:
1846                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1847                     goto fail;
1848                 }
1849                 if ((q - buf) < buf_size - 1) {
1850                     *q++ = c;
1851                 }
1852             } else {
1853                 if ((q - buf) < buf_size - 1) {
1854                     *q++ = *p;
1855                 }
1856                 p++;
1857             }
1858         }
1859         if (*p != '\"') {
1860             qemu_printf("unterminated string\n");
1861             goto fail;
1862         }
1863         p++;
1864     } else {
1865         while (*p != '\0' && !isspace(*p)) {
1866             if ((q - buf) < buf_size - 1) {
1867                 *q++ = *p;
1868             }
1869             p++;
1870         }
1871     }
1872     *q = '\0';
1873     *pp = p;
1874     return 0;
1875 }
1876
1877 static int default_fmt_format = 'x';
1878 static int default_fmt_size = 4;
1879
1880 #define MAX_ARGS 16
1881
1882 static void monitor_handle_command(const char *cmdline)
1883 {
1884     const char *p, *pstart, *typestr;
1885     char *q;
1886     int c, nb_args, len, i, has_arg;
1887     term_cmd_t *cmd;
1888     char cmdname[256];
1889     char buf[1024];
1890     void *str_allocated[MAX_ARGS];
1891     void *args[MAX_ARGS];
1892
1893 #ifdef DEBUG
1894     term_printf("command='%s'\n", cmdline);
1895 #endif
1896
1897     /* extract the command name */
1898     p = cmdline;
1899     q = cmdname;
1900     while (isspace(*p))
1901         p++;
1902     if (*p == '\0')
1903         return;
1904     pstart = p;
1905     while (*p != '\0' && *p != '/' && !isspace(*p))
1906         p++;
1907     len = p - pstart;
1908     if (len > sizeof(cmdname) - 1)
1909         len = sizeof(cmdname) - 1;
1910     memcpy(cmdname, pstart, len);
1911     cmdname[len] = '\0';
1912
1913     /* find the command */
1914     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1915         if (compare_cmd(cmdname, cmd->name))
1916             goto found;
1917     }
1918     term_printf("unknown command: '%s'\n", cmdname);
1919     return;
1920  found:
1921
1922     for(i = 0; i < MAX_ARGS; i++)
1923         str_allocated[i] = NULL;
1924
1925     /* parse the parameters */
1926     typestr = cmd->args_type;
1927     nb_args = 0;
1928     for(;;) {
1929         c = *typestr;
1930         if (c == '\0')
1931             break;
1932         typestr++;
1933         switch(c) {
1934         case 'F':
1935         case 'B':
1936         case 's':
1937             {
1938                 int ret;
1939                 char *str;
1940
1941                 while (isspace(*p))
1942                     p++;
1943                 if (*typestr == '?') {
1944                     typestr++;
1945                     if (*p == '\0') {
1946                         /* no optional string: NULL argument */
1947                         str = NULL;
1948                         goto add_str;
1949                     }
1950                 }
1951                 ret = get_str(buf, sizeof(buf), &p);
1952                 if (ret < 0) {
1953                     switch(c) {
1954                     case 'F':
1955                         term_printf("%s: filename expected\n", cmdname);
1956                         break;
1957                     case 'B':
1958                         term_printf("%s: block device name expected\n", cmdname);
1959                         break;
1960                     default:
1961                         term_printf("%s: string expected\n", cmdname);
1962                         break;
1963                     }
1964                     goto fail;
1965                 }
1966                 str = qemu_malloc(strlen(buf) + 1);
1967                 strcpy(str, buf);
1968                 str_allocated[nb_args] = str;
1969             add_str:
1970                 if (nb_args >= MAX_ARGS) {
1971                 error_args:
1972                     term_printf("%s: too many arguments\n", cmdname);
1973                     goto fail;
1974                 }
1975                 args[nb_args++] = str;
1976             }
1977             break;
1978         case '/':
1979             {
1980                 int count, format, size;
1981
1982                 while (isspace(*p))
1983                     p++;
1984                 if (*p == '/') {
1985                     /* format found */
1986                     p++;
1987                     count = 1;
1988                     if (isdigit(*p)) {
1989                         count = 0;
1990                         while (isdigit(*p)) {
1991                             count = count * 10 + (*p - '0');
1992                             p++;
1993                         }
1994                     }
1995                     size = -1;
1996                     format = -1;
1997                     for(;;) {
1998                         switch(*p) {
1999                         case 'o':
2000                         case 'd':
2001                         case 'u':
2002                         case 'x':
2003                         case 'i':
2004                         case 'c':
2005                             format = *p++;
2006                             break;
2007                         case 'b':
2008                             size = 1;
2009                             p++;
2010                             break;
2011                         case 'h':
2012                             size = 2;
2013                             p++;
2014                             break;
2015                         case 'w':
2016                             size = 4;
2017                             p++;
2018                             break;
2019                         case 'g':
2020                         case 'L':
2021                             size = 8;
2022                             p++;
2023                             break;
2024                         default:
2025                             goto next;
2026                         }
2027                     }
2028                 next:
2029                     if (*p != '\0' && !isspace(*p)) {
2030                         term_printf("invalid char in format: '%c'\n", *p);
2031                         goto fail;
2032                     }
2033                     if (format < 0)
2034                         format = default_fmt_format;
2035                     if (format != 'i') {
2036                         /* for 'i', not specifying a size gives -1 as size */
2037                         if (size < 0)
2038                             size = default_fmt_size;
2039                     }
2040                     default_fmt_size = size;
2041                     default_fmt_format = format;
2042                 } else {
2043                     count = 1;
2044                     format = default_fmt_format;
2045                     if (format != 'i') {
2046                         size = default_fmt_size;
2047                     } else {
2048                         size = -1;
2049                     }
2050                 }
2051                 if (nb_args + 3 > MAX_ARGS)
2052                     goto error_args;
2053                 args[nb_args++] = (void*)count;
2054                 args[nb_args++] = (void*)format;
2055                 args[nb_args++] = (void*)size;
2056             }
2057             break;
2058         case 'i':
2059         case 'l':
2060             {
2061                 target_long val;
2062                 while (isspace(*p))
2063                     p++;
2064                 if (*typestr == '?' || *typestr == '.') {
2065                     if (*typestr == '?') {
2066                         if (*p == '\0')
2067                             has_arg = 0;
2068                         else
2069                             has_arg = 1;
2070                     } else {
2071                         if (*p == '.') {
2072                             p++;
2073                             while (isspace(*p))
2074                                 p++;
2075                             has_arg = 1;
2076                         } else {
2077                             has_arg = 0;
2078                         }
2079                     }
2080                     typestr++;
2081                     if (nb_args >= MAX_ARGS)
2082                         goto error_args;
2083                     args[nb_args++] = (void *)has_arg;
2084                     if (!has_arg) {
2085                         if (nb_args >= MAX_ARGS)
2086                             goto error_args;
2087                         val = -1;
2088                         goto add_num;
2089                     }
2090                 }
2091                 if (get_expr(&val, &p))
2092                     goto fail;
2093             add_num:
2094                 if (c == 'i') {
2095                     if (nb_args >= MAX_ARGS)
2096                         goto error_args;
2097                     args[nb_args++] = (void *)(int)val;
2098                 } else {
2099                     if ((nb_args + 1) >= MAX_ARGS)
2100                         goto error_args;
2101 #if TARGET_LONG_BITS == 64
2102                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2103 #else
2104                     args[nb_args++] = (void *)0;
2105 #endif
2106                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2107                 }
2108             }
2109             break;
2110         case '-':
2111             {
2112                 int has_option;
2113                 /* option */
2114
2115                 c = *typestr++;
2116                 if (c == '\0')
2117                     goto bad_type;
2118                 while (isspace(*p))
2119                     p++;
2120                 has_option = 0;
2121                 if (*p == '-') {
2122                     p++;
2123                     if (*p != c) {
2124                         term_printf("%s: unsupported option -%c\n",
2125                                     cmdname, *p);
2126                         goto fail;
2127                     }
2128                     p++;
2129                     has_option = 1;
2130                 }
2131                 if (nb_args >= MAX_ARGS)
2132                     goto error_args;
2133                 args[nb_args++] = (void *)has_option;
2134             }
2135             break;
2136         default:
2137         bad_type:
2138             term_printf("%s: unknown type '%c'\n", cmdname, c);
2139             goto fail;
2140         }
2141     }
2142     /* check that all arguments were parsed */
2143     while (isspace(*p))
2144         p++;
2145     if (*p != '\0') {
2146         term_printf("%s: extraneous characters at the end of line\n",
2147                     cmdname);
2148         goto fail;
2149     }
2150
2151     switch(nb_args) {
2152     case 0:
2153         cmd->handler();
2154         break;
2155     case 1:
2156         cmd->handler(args[0]);
2157         break;
2158     case 2:
2159         cmd->handler(args[0], args[1]);
2160         break;
2161     case 3:
2162         cmd->handler(args[0], args[1], args[2]);
2163         break;
2164     case 4:
2165         cmd->handler(args[0], args[1], args[2], args[3]);
2166         break;
2167     case 5:
2168         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2169         break;
2170     case 6:
2171         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2172         break;
2173     case 7:
2174         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2175         break;
2176     default:
2177         term_printf("unsupported number of arguments: %d\n", nb_args);
2178         goto fail;
2179     }
2180  fail:
2181     for(i = 0; i < MAX_ARGS; i++)
2182         qemu_free(str_allocated[i]);
2183     return;
2184 }
2185
2186 static void cmd_completion(const char *name, const char *list)
2187 {
2188     const char *p, *pstart;
2189     char cmd[128];
2190     int len;
2191
2192     p = list;
2193     for(;;) {
2194         pstart = p;
2195         p = strchr(p, '|');
2196         if (!p)
2197             p = pstart + strlen(pstart);
2198         len = p - pstart;
2199         if (len > sizeof(cmd) - 2)
2200             len = sizeof(cmd) - 2;
2201         memcpy(cmd, pstart, len);
2202         cmd[len] = '\0';
2203         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2204             add_completion(cmd);
2205         }
2206         if (*p == '\0')
2207             break;
2208         p++;
2209     }
2210 }
2211
2212 static void file_completion(const char *input)
2213 {
2214     DIR *ffs;
2215     struct dirent *d;
2216     char path[1024];
2217     char file[1024], file_prefix[1024];
2218     int input_path_len;
2219     const char *p;
2220
2221     p = strrchr(input, '/');
2222     if (!p) {
2223         input_path_len = 0;
2224         pstrcpy(file_prefix, sizeof(file_prefix), input);
2225         strcpy(path, ".");
2226     } else {
2227         input_path_len = p - input + 1;
2228         memcpy(path, input, input_path_len);
2229         if (input_path_len > sizeof(path) - 1)
2230             input_path_len = sizeof(path) - 1;
2231         path[input_path_len] = '\0';
2232         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2233     }
2234 #ifdef DEBUG_COMPLETION
2235     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2236 #endif
2237     ffs = opendir(path);
2238     if (!ffs)
2239         return;
2240     for(;;) {
2241         struct stat sb;
2242         d = readdir(ffs);
2243         if (!d)
2244             break;
2245         if (strstart(d->d_name, file_prefix, NULL)) {
2246             memcpy(file, input, input_path_len);
2247             strcpy(file + input_path_len, d->d_name);
2248             /* stat the file to find out if it's a directory.
2249              * In that case add a slash to speed up typing long paths
2250              */
2251             stat(file, &sb);
2252             if(S_ISDIR(sb.st_mode))
2253                 strcat(file, "/");
2254             add_completion(file);
2255         }
2256     }
2257     closedir(ffs);
2258 }
2259
2260 static void block_completion_it(void *opaque, const char *name)
2261 {
2262     const char *input = opaque;
2263
2264     if (input[0] == '\0' ||
2265         !strncmp(name, (char *)input, strlen(input))) {
2266         add_completion(name);
2267     }
2268 }
2269
2270 /* NOTE: this parser is an approximate form of the real command parser */
2271 static void parse_cmdline(const char *cmdline,
2272                          int *pnb_args, char **args)
2273 {
2274     const char *p;
2275     int nb_args, ret;
2276     char buf[1024];
2277
2278     p = cmdline;
2279     nb_args = 0;
2280     for(;;) {
2281         while (isspace(*p))
2282             p++;
2283         if (*p == '\0')
2284             break;
2285         if (nb_args >= MAX_ARGS)
2286             break;
2287         ret = get_str(buf, sizeof(buf), &p);
2288         args[nb_args] = qemu_strdup(buf);
2289         nb_args++;
2290         if (ret < 0)
2291             break;
2292     }
2293     *pnb_args = nb_args;
2294 }
2295
2296 void readline_find_completion(const char *cmdline)
2297 {
2298     const char *cmdname;
2299     char *args[MAX_ARGS];
2300     int nb_args, i, len;
2301     const char *ptype, *str;
2302     term_cmd_t *cmd;
2303     const KeyDef *key;
2304
2305     parse_cmdline(cmdline, &nb_args, args);
2306 #ifdef DEBUG_COMPLETION
2307     for(i = 0; i < nb_args; i++) {
2308         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2309     }
2310 #endif
2311
2312     /* if the line ends with a space, it means we want to complete the
2313        next arg */
2314     len = strlen(cmdline);
2315     if (len > 0 && isspace(cmdline[len - 1])) {
2316         if (nb_args >= MAX_ARGS)
2317             return;
2318         args[nb_args++] = qemu_strdup("");
2319     }
2320     if (nb_args <= 1) {
2321         /* command completion */
2322         if (nb_args == 0)
2323             cmdname = "";
2324         else
2325             cmdname = args[0];
2326         completion_index = strlen(cmdname);
2327         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2328             cmd_completion(cmdname, cmd->name);
2329         }
2330     } else {
2331         /* find the command */
2332         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2333             if (compare_cmd(args[0], cmd->name))
2334                 goto found;
2335         }
2336         return;
2337     found:
2338         ptype = cmd->args_type;
2339         for(i = 0; i < nb_args - 2; i++) {
2340             if (*ptype != '\0') {
2341                 ptype++;
2342                 while (*ptype == '?')
2343                     ptype++;
2344             }
2345         }
2346         str = args[nb_args - 1];
2347         switch(*ptype) {
2348         case 'F':
2349             /* file completion */
2350             completion_index = strlen(str);
2351             file_completion(str);
2352             break;
2353         case 'B':
2354             /* block device name completion */
2355             completion_index = strlen(str);
2356             bdrv_iterate(block_completion_it, (void *)str);
2357             break;
2358         case 's':
2359             /* XXX: more generic ? */
2360             if (!strcmp(cmd->name, "info")) {
2361                 completion_index = strlen(str);
2362                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2363                     cmd_completion(str, cmd->name);
2364                 }
2365             } else if (!strcmp(cmd->name, "sendkey")) {
2366                 completion_index = strlen(str);
2367                 for(key = key_defs; key->name != NULL; key++) {
2368                     cmd_completion(str, key->name);
2369                 }
2370             }
2371             break;
2372         default:
2373             break;
2374         }
2375     }
2376     for(i = 0; i < nb_args; i++)
2377         qemu_free(args[i]);
2378 }
2379
2380 static int term_can_read(void *opaque)
2381 {
2382     return 128;
2383 }
2384
2385 static void term_read(void *opaque, const uint8_t *buf, int size)
2386 {
2387     int i;
2388     for(i = 0; i < size; i++)
2389         readline_handle_byte(buf[i]);
2390 }
2391
2392 static void monitor_start_input(void);
2393
2394 static void monitor_handle_command1(void *opaque, const char *cmdline)
2395 {
2396     monitor_handle_command(cmdline);
2397     monitor_start_input();
2398 }
2399
2400 static void monitor_start_input(void)
2401 {
2402     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2403 }
2404
2405 void monitor_init(CharDriverState *hd, int show_banner)
2406 {
2407     monitor_hd = hd;
2408     if (show_banner) {
2409         term_printf("QEMU %s monitor - type 'help' for more information\n",
2410                     QEMU_VERSION);
2411     }
2412     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2413     monitor_start_input();
2414 }
2415
2416 /* XXX: use threads ? */
2417 /* modal monitor readline */
2418 static int monitor_readline_started;
2419 static char *monitor_readline_buf;
2420 static int monitor_readline_buf_size;
2421
2422 static void monitor_readline_cb(void *opaque, const char *input)
2423 {
2424     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2425     monitor_readline_started = 0;
2426 }
2427
2428 void monitor_readline(const char *prompt, int is_password,
2429                       char *buf, int buf_size)
2430 {
2431     if (is_password) {
2432         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2433     }
2434     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2435     monitor_readline_buf = buf;
2436     monitor_readline_buf_size = buf_size;
2437     monitor_readline_started = 1;
2438     while (monitor_readline_started) {
2439         main_loop_wait(10);
2440     }
2441 }