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_memory_save(unsigned int valh, unsigned int vall,
 646                            uint32_t size, const char *filename)
 647 {
 648     FILE *f;
 649     target_long addr = GET_TLONG(valh, vall);
 650     uint32_t l;
 651     CPUState *env;
 652     uint8_t buf[1024];
 653
 654     env = mon_get_cpu();
 655     if (!env)
 656         return;
 657
 658     f = fopen(filename, "wb");
 659     if (!f) {
 660         term_printf("could not open '%s'\n", filename);
 661         return;
 662     }
 663     while (size != 0) {
 664         l = sizeof(buf);
 665         if (l > size)
 666             l = size;
 667         cpu_memory_rw_debug(env, addr, buf, l, 0);
 668         fwrite(buf, 1, l, f);
 669         addr += l;
 670         size -= l;
 671     }
 672     fclose(f);
 673 }
 674
 675 static void do_sum(uint32_t start, uint32_t size)
 676 {
 677     uint32_t addr;
 678     uint8_t buf[1];
 679     uint16_t sum;
 680
 681     sum = 0;
 682     for(addr = start; addr < (start + size); addr++) {
 683         cpu_physical_memory_rw(addr, buf, 1, 0);
 684         /* BSD sum algorithm ('sum' Unix command) */
 685         sum = (sum >> 1) | (sum << 15);
 686         sum += buf[0];
 687     }
 688     term_printf("%05d\n", sum);
 689 }
 690
 691 typedef struct {
 692     int keycode;
 693     const char *name;
 694 } KeyDef;
 695
 696 static const KeyDef key_defs[] = {
 697     { 0x2a, "shift" },
 698     { 0x36, "shift_r" },
 699
 700     { 0x38, "alt" },
 701     { 0xb8, "alt_r" },
 702     { 0x1d, "ctrl" },
 703     { 0x9d, "ctrl_r" },
 704
 705     { 0xdd, "menu" },
 706
 707     { 0x01, "esc" },
 708
 709     { 0x02, "1" },
 710     { 0x03, "2" },
 711     { 0x04, "3" },
 712     { 0x05, "4" },
 713     { 0x06, "5" },
 714     { 0x07, "6" },
 715     { 0x08, "7" },
 716     { 0x09, "8" },
 717     { 0x0a, "9" },
 718     { 0x0b, "0" },
 719     { 0x0c, "minus" },
 720     { 0x0d, "equal" },
 721     { 0x0e, "backspace" },
 722
 723     { 0x0f, "tab" },
 724     { 0x10, "q" },
 725     { 0x11, "w" },
 726     { 0x12, "e" },
 727     { 0x13, "r" },
 728     { 0x14, "t" },
 729     { 0x15, "y" },
 730     { 0x16, "u" },
 731     { 0x17, "i" },
 732     { 0x18, "o" },
 733     { 0x19, "p" },
 734
 735     { 0x1c, "ret" },
 736
 737     { 0x1e, "a" },
 738     { 0x1f, "s" },
 739     { 0x20, "d" },
 740     { 0x21, "f" },
 741     { 0x22, "g" },
 742     { 0x23, "h" },
 743     { 0x24, "j" },
 744     { 0x25, "k" },
 745     { 0x26, "l" },
 746
 747     { 0x2c, "z" },
 748     { 0x2d, "x" },
 749     { 0x2e, "c" },
 750     { 0x2f, "v" },
 751     { 0x30, "b" },
 752     { 0x31, "n" },
 753     { 0x32, "m" },
 754
 755     { 0x39, "spc" },
 756     { 0x3a, "caps_lock" },
 757     { 0x3b, "f1" },
 758     { 0x3c, "f2" },
 759     { 0x3d, "f3" },
 760     { 0x3e, "f4" },
 761     { 0x3f, "f5" },
 762     { 0x40, "f6" },
 763     { 0x41, "f7" },
 764     { 0x42, "f8" },
 765     { 0x43, "f9" },
 766     { 0x44, "f10" },
 767     { 0x45, "num_lock" },
 768     { 0x46, "scroll_lock" },
 769
 770     { 0xb5, "kp_divide" },
 771     { 0x37, "kp_multiply" },
 772     { 0x4a, "kp_substract" },
 773     { 0x4e, "kp_add" },
 774     { 0x9c, "kp_enter" },
 775     { 0x53, "kp_decimal" },
 776
 777     { 0x52, "kp_0" },
 778     { 0x4f, "kp_1" },
 779     { 0x50, "kp_2" },
 780     { 0x51, "kp_3" },
 781     { 0x4b, "kp_4" },
 782     { 0x4c, "kp_5" },
 783     { 0x4d, "kp_6" },
 784     { 0x47, "kp_7" },
 785     { 0x48, "kp_8" },
 786     { 0x49, "kp_9" },
 787
 788     { 0x56, "<" },
 789
 790     { 0x57, "f11" },
 791     { 0x58, "f12" },
 792
 793     { 0xb7, "print" },
 794
 795     { 0xc7, "home" },
 796     { 0xc9, "pgup" },
 797     { 0xd1, "pgdn" },
 798     { 0xcf, "end" },
 799
 800     { 0xcb, "left" },
 801     { 0xc8, "up" },
 802     { 0xd0, "down" },
 803     { 0xcd, "right" },
 804
 805     { 0xd2, "insert" },
 806     { 0xd3, "delete" },
 807     { 0, NULL },
 808 };
 809
 810 static int get_keycode(const char *key)
 811 {
 812     const KeyDef *p;
 813     char *endp;
 814     int ret;
 815
 816     for(p = key_defs; p->name != NULL; p++) {
 817         if (!strcmp(key, p->name))
 818             return p->keycode;
 819     }
 820     if (strstart(key, "0x", NULL)) {
 821         ret = strtoul(key, &endp, 0);
 822         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 823             return ret;
 824     }
 825     return -1;
 826 }
 827
 828 static void do_send_key(const char *string)
 829 {
 830     char keybuf[16], *q;
 831     uint8_t keycodes[16];
 832     const char *p;
 833     int nb_keycodes, keycode, i;
 834
 835     nb_keycodes = 0;
 836     p = string;
 837     while (*p != '\0') {
 838         q = keybuf;
 839         while (*p != '\0' && *p != '-') {
 840             if ((q - keybuf) < sizeof(keybuf) - 1) {
 841                 *q++ = *p;
 842             }
 843             p++;
 844         }
 845         *q = '\0';
 846         keycode = get_keycode(keybuf);
 847         if (keycode < 0) {
 848             term_printf("unknown key: '%s'\n", keybuf);
 849             return;
 850         }
 851         keycodes[nb_keycodes++] = keycode;
 852         if (*p == '\0')
 853             break;
 854         p++;
 855     }
 856     /* key down events */
 857     for(i = 0; i < nb_keycodes; i++) {
 858         keycode = keycodes[i];
 859         if (keycode & 0x80)
 860             kbd_put_keycode(0xe0);
 861         kbd_put_keycode(keycode & 0x7f);
 862     }
 863     /* key up events */
 864     for(i = nb_keycodes - 1; i >= 0; i--) {
 865         keycode = keycodes[i];
 866         if (keycode & 0x80)
 867             kbd_put_keycode(0xe0);
 868         kbd_put_keycode(keycode | 0x80);
 869     }
 870 }
 871
 872 static int mouse_button_state;
 873
 874 static void do_mouse_move(const char *dx_str, const char *dy_str,
 875                           const char *dz_str)
 876 {
 877     int dx, dy, dz;
 878     dx = strtol(dx_str, NULL, 0);
 879     dy = strtol(dy_str, NULL, 0);
 880     dz = 0;
 881     if (dz_str)
 882         dz = strtol(dz_str, NULL, 0);
 883     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 884 }
 885
 886 static void do_mouse_button(int button_state)
 887 {
 888     mouse_button_state = button_state;
 889     kbd_mouse_event(0, 0, 0, mouse_button_state);
 890 }
 891
 892 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 893 {
 894     uint32_t val;
 895     int suffix;
 896
 897     if (has_index) {
 898         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 899         addr++;
 900     }
 901     addr &= 0xffff;
 902
 903     switch(size) {
 904     default:
 905     case 1:
 906         val = cpu_inb(NULL, addr);
 907         suffix = 'b';
 908         break;
 909     case 2:
 910         val = cpu_inw(NULL, addr);
 911         suffix = 'w';
 912         break;
 913     case 4:
 914         val = cpu_inl(NULL, addr);
 915         suffix = 'l';
 916         break;
 917     }
 918     term_printf("port%c[0x%04x] = %#0*x\n",
 919                 suffix, addr, size * 2, val);
 920 }
 921
 922 static void do_system_reset(void)
 923 {
 924     qemu_system_reset_request();
 925 }
 926
 927 static void do_system_powerdown(void)
 928 {
 929     qemu_system_powerdown_request();
 930 }
 931
 932 #if defined(TARGET_I386)
 933 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 934 {
 935     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 936                 addr,
 937                 pte & mask,
 938                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 939                 pte & PG_PSE_MASK ? 'P' : '-',
 940                 pte & PG_DIRTY_MASK ? 'D' : '-',
 941                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 942                 pte & PG_PCD_MASK ? 'C' : '-',
 943                 pte & PG_PWT_MASK ? 'T' : '-',
 944                 pte & PG_USER_MASK ? 'U' : '-',
 945                 pte & PG_RW_MASK ? 'W' : '-');
 946 }
 947
 948 static void tlb_info(void)
 949 {
 950     CPUState *env;
 951     int l1, l2;
 952     uint32_t pgd, pde, pte;
 953
 954     env = mon_get_cpu();
 955     if (!env)
 956         return;
 957
 958     if (!(env->cr[0] & CR0_PG_MASK)) {
 959         term_printf("PG disabled\n");
 960         return;
 961     }
 962     pgd = env->cr[3] & ~0xfff;
 963     for(l1 = 0; l1 < 1024; l1++) {
 964         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
 965         pde = le32_to_cpu(pde);
 966         if (pde & PG_PRESENT_MASK) {
 967             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
 968                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
 969             } else {
 970                 for(l2 = 0; l2 < 1024; l2++) {
 971                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
 972                                              (uint8_t *)&pte, 4);
 973                     pte = le32_to_cpu(pte);
 974                     if (pte & PG_PRESENT_MASK) {
 975                         print_pte((l1 << 22) + (l2 << 12),
 976                                   pte & ~PG_PSE_MASK,
 977                                   ~0xfff);
 978                     }
 979                 }
 980             }
 981         }
 982     }
 983 }
 984
 985 static void mem_print(uint32_t *pstart, int *plast_prot,
 986                       uint32_t end, int prot)
 987 {
 988     int prot1;
 989     prot1 = *plast_prot;
 990     if (prot != prot1) {
 991         if (*pstart != -1) {
 992             term_printf("%08x-%08x %08x %c%c%c\n",
 993                         *pstart, end, end - *pstart,
 994                         prot1 & PG_USER_MASK ? 'u' : '-',
 995                         'r',
 996                         prot1 & PG_RW_MASK ? 'w' : '-');
 997         }
 998         if (prot != 0)
 999             *pstart = end;
1000         else
1001             *pstart = -1;
1002         *plast_prot = prot;
1003     }
1004 }
1005
1006 static void mem_info(void)
1007 {
1008     CPUState *env;
1009     int l1, l2, prot, last_prot;
1010     uint32_t pgd, pde, pte, start, end;
1011
1012     env = mon_get_cpu();
1013     if (!env)
1014         return;
1015
1016     if (!(env->cr[0] & CR0_PG_MASK)) {
1017         term_printf("PG disabled\n");
1018         return;
1019     }
1020     pgd = env->cr[3] & ~0xfff;
1021     last_prot = 0;
1022     start = -1;
1023     for(l1 = 0; l1 < 1024; l1++) {
1024         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1025         pde = le32_to_cpu(pde);
1026         end = l1 << 22;
1027         if (pde & PG_PRESENT_MASK) {
1028             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1029                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1030                 mem_print(&start, &last_prot, end, prot);
1031             } else {
1032                 for(l2 = 0; l2 < 1024; l2++) {
1033                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1034                                              (uint8_t *)&pte, 4);
1035                     pte = le32_to_cpu(pte);
1036                     end = (l1 << 22) + (l2 << 12);
1037                     if (pte & PG_PRESENT_MASK) {
1038                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1039                     } else {
1040                         prot = 0;
1041                     }
1042                     mem_print(&start, &last_prot, end, prot);
1043                 }
1044             }
1045         } else {
1046             prot = 0;
1047             mem_print(&start, &last_prot, end, prot);
1048         }
1049     }
1050 }
1051 #endif
1052
1053 static void do_info_kqemu(void)
1054 {
1055 #ifdef USE_KQEMU
1056     CPUState *env;
1057     int val;
1058     val = 0;
1059     env = mon_get_cpu();
1060     if (!env) {
1061         term_printf("No cpu initialized yet");
1062         return;
1063     }
1064     val = env->kqemu_enabled;
1065     term_printf("kqemu support: ");
1066     switch(val) {
1067     default:
1068     case 0:
1069         term_printf("disabled\n");
1070         break;
1071     case 1:
1072         term_printf("enabled for user code\n");
1073         break;
1074     case 2:
1075         term_printf("enabled for user and kernel code\n");
1076         break;
1077     }
1078 #else
1079     term_printf("kqemu support: not compiled\n");
1080 #endif
1081 }
1082
1083 #ifdef CONFIG_PROFILER
1084
1085 int64_t kqemu_time;
1086 int64_t qemu_time;
1087 int64_t kqemu_exec_count;
1088 int64_t dev_time;
1089 int64_t kqemu_ret_int_count;
1090 int64_t kqemu_ret_excp_count;
1091 int64_t kqemu_ret_intr_count;
1092
1093 static void do_info_profile(void)
1094 {
1095     int64_t total;
1096     total = qemu_time;
1097     if (total == 0)
1098         total = 1;
1099     term_printf("async time  %" PRId64 " (%0.3f)\n",
1100                 dev_time, dev_time / (double)ticks_per_sec);
1101     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1102                 qemu_time, qemu_time / (double)ticks_per_sec);
1103     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1104                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1105                 kqemu_time / (double)total * 100.0,
1106                 kqemu_exec_count,
1107                 kqemu_ret_int_count,
1108                 kqemu_ret_excp_count,
1109                 kqemu_ret_intr_count);
1110     qemu_time = 0;
1111     kqemu_time = 0;
1112     kqemu_exec_count = 0;
1113     dev_time = 0;
1114     kqemu_ret_int_count = 0;
1115     kqemu_ret_excp_count = 0;
1116     kqemu_ret_intr_count = 0;
1117 #ifdef USE_KQEMU
1118     kqemu_record_dump();
1119 #endif
1120 }
1121 #else
1122 static void do_info_profile(void)
1123 {
1124     term_printf("Internal profiler not compiled\n");
1125 }
1126 #endif
1127
1128 /* Capture support */
1129 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1130
1131 static void do_info_capture (void)
1132 {
1133     int i;
1134     CaptureState *s;
1135
1136     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1137         term_printf ("[%d]: ", i);
1138         s->ops.info (s->opaque);
1139     }
1140 }
1141
1142 static void do_stop_capture (int n)
1143 {
1144     int i;
1145     CaptureState *s;
1146
1147     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1148         if (i == n) {
1149             s->ops.destroy (s->opaque);
1150             LIST_REMOVE (s, entries);
1151             qemu_free (s);
1152             return;
1153         }
1154     }
1155 }
1156
1157 #ifdef HAS_AUDIO
1158 int wav_start_capture (CaptureState *s, const char *path, int freq,
1159                        int bits, int nchannels);
1160
1161 static void do_wav_capture (const char *path,
1162                             int has_freq, int freq,
1163                             int has_bits, int bits,
1164                             int has_channels, int nchannels)
1165 {
1166     CaptureState *s;
1167
1168     s = qemu_mallocz (sizeof (*s));
1169     if (!s) {
1170         term_printf ("Not enough memory to add wave capture\n");
1171         return;
1172     }
1173
1174     freq = has_freq ? freq : 44100;
1175     bits = has_bits ? bits : 16;
1176     nchannels = has_channels ? nchannels : 2;
1177
1178     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1179         term_printf ("Faied to add wave capture\n");
1180         qemu_free (s);
1181     }
1182     LIST_INSERT_HEAD (&capture_head, s, entries);
1183 }
1184 #endif
1185
1186 static term_cmd_t term_cmds[] = {
1187     { "help|?", "s?", do_help,
1188       "[cmd]", "show the help" },
1189     { "commit", "s", do_commit,
1190       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1191     { "info", "s?", do_info,
1192       "subcommand", "show various information about the system state" },
1193     { "q|quit", "", do_quit,
1194       "", "quit the emulator" },
1195     { "eject", "-fB", do_eject,
1196       "[-f] device", "eject a removable media (use -f to force it)" },
1197     { "change", "BF", do_change,
1198       "device filename", "change a removable media" },
1199     { "screendump", "F", do_screen_dump,
1200       "filename", "save screen into PPM image 'filename'" },
1201     { "log", "s", do_log,
1202       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1203     { "savevm", "s?", do_savevm,
1204       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1205     { "loadvm", "s", do_loadvm,
1206       "tag|id", "restore a VM snapshot from its tag or id" },
1207     { "delvm", "s", do_delvm,
1208       "tag|id", "delete a VM snapshot from its tag or id" },
1209     { "stop", "", do_stop,
1210       "", "stop emulation", },
1211     { "c|cont", "", do_cont,
1212       "", "resume emulation", },
1213 #ifdef CONFIG_GDBSTUB
1214     { "gdbserver", "i?", do_gdbserver,
1215       "[port]", "start gdbserver session (default port=1234)", },
1216 #endif
1217     { "x", "/l", do_memory_dump,
1218       "/fmt addr", "virtual memory dump starting at 'addr'", },
1219     { "xp", "/l", do_physical_memory_dump,
1220       "/fmt addr", "physical memory dump starting at 'addr'", },
1221     { "p|print", "/l", do_print,
1222       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1223     { "i", "/ii.", do_ioport_read,
1224       "/fmt addr", "I/O port read" },
1225
1226     { "sendkey", "s", do_send_key,
1227       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1228     { "system_reset", "", do_system_reset,
1229       "", "reset the system" },
1230     { "system_powerdown", "", do_system_powerdown,
1231       "", "send system power down event" },
1232     { "sum", "ii", do_sum,
1233       "addr size", "compute the checksum of a memory region" },
1234     { "usb_add", "s", do_usb_add,
1235       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1236     { "usb_del", "s", do_usb_del,
1237       "device", "remove USB device 'bus.addr'" },
1238     { "cpu", "i", do_cpu_set,
1239       "index", "set the default CPU" },
1240     { "mouse_move", "sss?", do_mouse_move,
1241       "dx dy [dz]", "send mouse move events" },
1242     { "mouse_button", "i", do_mouse_button,
1243       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1244 #ifdef HAS_AUDIO
1245     { "wavcapture", "si?i?i?", do_wav_capture,
1246       "path [frequency bits channels]",
1247       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1248 #endif
1249      { "stopcapture", "i", do_stop_capture,
1250        "capture index", "stop capture" },
1251     { "memsave", "lis", do_memory_save,
1252       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1253     { NULL, NULL, },
1254 };
1255
1256 static term_cmd_t info_cmds[] = {
1257     { "version", "", do_info_version,
1258       "", "show the version of qemu" },
1259     { "network", "", do_info_network,
1260       "", "show the network state" },
1261     { "block", "", do_info_block,
1262       "", "show the block devices" },
1263     { "registers", "", do_info_registers,
1264       "", "show the cpu registers" },
1265     { "cpus", "", do_info_cpus,
1266       "", "show infos for each CPU" },
1267     { "history", "", do_info_history,
1268       "", "show the command line history", },
1269     { "irq", "", irq_info,
1270       "", "show the interrupts statistics (if available)", },
1271     { "pic", "", pic_info,
1272       "", "show i8259 (PIC) state", },
1273     { "pci", "", pci_info,
1274       "", "show PCI info", },
1275 #if defined(TARGET_I386)
1276     { "tlb", "", tlb_info,
1277       "", "show virtual to physical memory mappings", },
1278     { "mem", "", mem_info,
1279       "", "show the active virtual memory mappings", },
1280 #endif
1281     { "jit", "", do_info_jit,
1282       "", "show dynamic compiler info", },
1283     { "kqemu", "", do_info_kqemu,
1284       "", "show kqemu information", },
1285     { "usb", "", usb_info,
1286       "", "show guest USB devices", },
1287     { "usbhost", "", usb_host_info,
1288       "", "show host USB devices", },
1289     { "profile", "", do_info_profile,
1290       "", "show profiling information", },
1291     { "capture", "", do_info_capture,
1292       "", "show capture information" },
1293     { "snapshots", "", do_info_snapshots,
1294       "", "show the currently saved VM snapshots" },
1295     { NULL, NULL, },
1296 };
1297
1298 /*******************************************************************/
1299
1300 static const char *pch;
1301 static jmp_buf expr_env;
1302
1303 #define MD_TLONG 0
1304 #define MD_I32   1
1305
1306 typedef struct MonitorDef {
1307     const char *name;
1308     int offset;
1309     target_long (*get_value)(struct MonitorDef *md, int val);
1310     int type;
1311 } MonitorDef;
1312
1313 #if defined(TARGET_I386)
1314 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1315 {
1316     CPUState *env = mon_get_cpu();
1317     if (!env)
1318         return 0;
1319     return env->eip + env->segs[R_CS].base;
1320 }
1321 #endif
1322
1323 #if defined(TARGET_PPC)
1324 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1325 {
1326     CPUState *env = mon_get_cpu();
1327     unsigned int u;
1328     int i;
1329
1330     if (!env)
1331         return 0;
1332
1333     u = 0;
1334     for (i = 0; i < 8; i++)
1335         u |= env->crf[i] << (32 - (4 * i));
1336
1337     return u;
1338 }
1339
1340 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1341 {
1342     CPUState *env = mon_get_cpu();
1343     if (!env)
1344         return 0;
1345     return (env->msr[MSR_POW] << MSR_POW) |
1346         (env->msr[MSR_ILE] << MSR_ILE) |
1347         (env->msr[MSR_EE] << MSR_EE) |
1348         (env->msr[MSR_PR] << MSR_PR) |
1349         (env->msr[MSR_FP] << MSR_FP) |
1350         (env->msr[MSR_ME] << MSR_ME) |
1351         (env->msr[MSR_FE0] << MSR_FE0) |
1352         (env->msr[MSR_SE] << MSR_SE) |
1353         (env->msr[MSR_BE] << MSR_BE) |
1354         (env->msr[MSR_FE1] << MSR_FE1) |
1355         (env->msr[MSR_IP] << MSR_IP) |
1356         (env->msr[MSR_IR] << MSR_IR) |
1357         (env->msr[MSR_DR] << MSR_DR) |
1358         (env->msr[MSR_RI] << MSR_RI) |
1359         (env->msr[MSR_LE] << MSR_LE);
1360 }
1361
1362 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1363 {
1364     CPUState *env = mon_get_cpu();
1365     if (!env)
1366         return 0;
1367     return (env->xer[XER_SO] << XER_SO) |
1368         (env->xer[XER_OV] << XER_OV) |
1369         (env->xer[XER_CA] << XER_CA) |
1370         (env->xer[XER_BC] << XER_BC);
1371 }
1372
1373 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1374 {
1375     CPUState *env = mon_get_cpu();
1376     if (!env)
1377         return 0;
1378     return cpu_ppc_load_decr(env);
1379 }
1380
1381 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1382 {
1383     CPUState *env = mon_get_cpu();
1384     if (!env)
1385         return 0;
1386     return cpu_ppc_load_tbu(env);
1387 }
1388
1389 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1390 {
1391     CPUState *env = mon_get_cpu();
1392     if (!env)
1393         return 0;
1394     return cpu_ppc_load_tbl(env);
1395 }
1396 #endif
1397
1398 #if defined(TARGET_SPARC)
1399 #ifndef TARGET_SPARC64
1400 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1401 {
1402     CPUState *env = mon_get_cpu();
1403     if (!env)
1404         return 0;
1405     return GET_PSR(env);
1406 }
1407 #endif
1408
1409 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1410 {
1411     CPUState *env = mon_get_cpu();
1412     if (!env)
1413         return 0;
1414     return env->regwptr[val];
1415 }
1416 #endif
1417
1418 static MonitorDef monitor_defs[] = {
1419 #ifdef TARGET_I386
1420
1421 #define SEG(name, seg) \
1422     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1423     { name ".base", offsetof(CPUState, segs[seg].base) },\
1424     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1425
1426     { "eax", offsetof(CPUState, regs[0]) },
1427     { "ecx", offsetof(CPUState, regs[1]) },
1428     { "edx", offsetof(CPUState, regs[2]) },
1429     { "ebx", offsetof(CPUState, regs[3]) },
1430     { "esp|sp", offsetof(CPUState, regs[4]) },
1431     { "ebp|fp", offsetof(CPUState, regs[5]) },
1432     { "esi", offsetof(CPUState, regs[6]) },
1433     { "edi", offsetof(CPUState, regs[7]) },
1434 #ifdef TARGET_X86_64
1435     { "r8", offsetof(CPUState, regs[8]) },
1436     { "r9", offsetof(CPUState, regs[9]) },
1437     { "r10", offsetof(CPUState, regs[10]) },
1438     { "r11", offsetof(CPUState, regs[11]) },
1439     { "r12", offsetof(CPUState, regs[12]) },
1440     { "r13", offsetof(CPUState, regs[13]) },
1441     { "r14", offsetof(CPUState, regs[14]) },
1442     { "r15", offsetof(CPUState, regs[15]) },
1443 #endif
1444     { "eflags", offsetof(CPUState, eflags) },
1445     { "eip", offsetof(CPUState, eip) },
1446     SEG("cs", R_CS)
1447     SEG("ds", R_DS)
1448     SEG("es", R_ES)
1449     SEG("ss", R_SS)
1450     SEG("fs", R_FS)
1451     SEG("gs", R_GS)
1452     { "pc", 0, monitor_get_pc, },
1453 #elif defined(TARGET_PPC)
1454     { "r0", offsetof(CPUState, gpr[0]) },
1455     { "r1", offsetof(CPUState, gpr[1]) },
1456     { "r2", offsetof(CPUState, gpr[2]) },
1457     { "r3", offsetof(CPUState, gpr[3]) },
1458     { "r4", offsetof(CPUState, gpr[4]) },
1459     { "r5", offsetof(CPUState, gpr[5]) },
1460     { "r6", offsetof(CPUState, gpr[6]) },
1461     { "r7", offsetof(CPUState, gpr[7]) },
1462     { "r8", offsetof(CPUState, gpr[8]) },
1463     { "r9", offsetof(CPUState, gpr[9]) },
1464     { "r10", offsetof(CPUState, gpr[10]) },
1465     { "r11", offsetof(CPUState, gpr[11]) },
1466     { "r12", offsetof(CPUState, gpr[12]) },
1467     { "r13", offsetof(CPUState, gpr[13]) },
1468     { "r14", offsetof(CPUState, gpr[14]) },
1469     { "r15", offsetof(CPUState, gpr[15]) },
1470     { "r16", offsetof(CPUState, gpr[16]) },
1471     { "r17", offsetof(CPUState, gpr[17]) },
1472     { "r18", offsetof(CPUState, gpr[18]) },
1473     { "r19", offsetof(CPUState, gpr[19]) },
1474     { "r20", offsetof(CPUState, gpr[20]) },
1475     { "r21", offsetof(CPUState, gpr[21]) },
1476     { "r22", offsetof(CPUState, gpr[22]) },
1477     { "r23", offsetof(CPUState, gpr[23]) },
1478     { "r24", offsetof(CPUState, gpr[24]) },
1479     { "r25", offsetof(CPUState, gpr[25]) },
1480     { "r26", offsetof(CPUState, gpr[26]) },
1481     { "r27", offsetof(CPUState, gpr[27]) },
1482     { "r28", offsetof(CPUState, gpr[28]) },
1483     { "r29", offsetof(CPUState, gpr[29]) },
1484     { "r30", offsetof(CPUState, gpr[30]) },
1485     { "r31", offsetof(CPUState, gpr[31]) },
1486     { "nip|pc", offsetof(CPUState, nip) },
1487     { "lr", offsetof(CPUState, lr) },
1488     { "ctr", offsetof(CPUState, ctr) },
1489     { "decr", 0, &monitor_get_decr, },
1490     { "ccr", 0, &monitor_get_ccr, },
1491     { "msr", 0, &monitor_get_msr, },
1492     { "xer", 0, &monitor_get_xer, },
1493     { "tbu", 0, &monitor_get_tbu, },
1494     { "tbl", 0, &monitor_get_tbl, },
1495     { "sdr1", offsetof(CPUState, sdr1) },
1496     { "sr0", offsetof(CPUState, sr[0]) },
1497     { "sr1", offsetof(CPUState, sr[1]) },
1498     { "sr2", offsetof(CPUState, sr[2]) },
1499     { "sr3", offsetof(CPUState, sr[3]) },
1500     { "sr4", offsetof(CPUState, sr[4]) },
1501     { "sr5", offsetof(CPUState, sr[5]) },
1502     { "sr6", offsetof(CPUState, sr[6]) },
1503     { "sr7", offsetof(CPUState, sr[7]) },
1504     { "sr8", offsetof(CPUState, sr[8]) },
1505     { "sr9", offsetof(CPUState, sr[9]) },
1506     { "sr10", offsetof(CPUState, sr[10]) },
1507     { "sr11", offsetof(CPUState, sr[11]) },
1508     { "sr12", offsetof(CPUState, sr[12]) },
1509     { "sr13", offsetof(CPUState, sr[13]) },
1510     { "sr14", offsetof(CPUState, sr[14]) },
1511     { "sr15", offsetof(CPUState, sr[15]) },
1512     /* Too lazy to put BATs and SPRs ... */
1513 #elif defined(TARGET_SPARC)
1514     { "g0", offsetof(CPUState, gregs[0]) },
1515     { "g1", offsetof(CPUState, gregs[1]) },
1516     { "g2", offsetof(CPUState, gregs[2]) },
1517     { "g3", offsetof(CPUState, gregs[3]) },
1518     { "g4", offsetof(CPUState, gregs[4]) },
1519     { "g5", offsetof(CPUState, gregs[5]) },
1520     { "g6", offsetof(CPUState, gregs[6]) },
1521     { "g7", offsetof(CPUState, gregs[7]) },
1522     { "o0", 0, monitor_get_reg },
1523     { "o1", 1, monitor_get_reg },
1524     { "o2", 2, monitor_get_reg },
1525     { "o3", 3, monitor_get_reg },
1526     { "o4", 4, monitor_get_reg },
1527     { "o5", 5, monitor_get_reg },
1528     { "o6", 6, monitor_get_reg },
1529     { "o7", 7, monitor_get_reg },
1530     { "l0", 8, monitor_get_reg },
1531     { "l1", 9, monitor_get_reg },
1532     { "l2", 10, monitor_get_reg },
1533     { "l3", 11, monitor_get_reg },
1534     { "l4", 12, monitor_get_reg },
1535     { "l5", 13, monitor_get_reg },
1536     { "l6", 14, monitor_get_reg },
1537     { "l7", 15, monitor_get_reg },
1538     { "i0", 16, monitor_get_reg },
1539     { "i1", 17, monitor_get_reg },
1540     { "i2", 18, monitor_get_reg },
1541     { "i3", 19, monitor_get_reg },
1542     { "i4", 20, monitor_get_reg },
1543     { "i5", 21, monitor_get_reg },
1544     { "i6", 22, monitor_get_reg },
1545     { "i7", 23, monitor_get_reg },
1546     { "pc", offsetof(CPUState, pc) },
1547     { "npc", offsetof(CPUState, npc) },
1548     { "y", offsetof(CPUState, y) },
1549 #ifndef TARGET_SPARC64
1550     { "psr", 0, &monitor_get_psr, },
1551     { "wim", offsetof(CPUState, wim) },
1552 #endif
1553     { "tbr", offsetof(CPUState, tbr) },
1554     { "fsr", offsetof(CPUState, fsr) },
1555     { "f0", offsetof(CPUState, fpr[0]) },
1556     { "f1", offsetof(CPUState, fpr[1]) },
1557     { "f2", offsetof(CPUState, fpr[2]) },
1558     { "f3", offsetof(CPUState, fpr[3]) },
1559     { "f4", offsetof(CPUState, fpr[4]) },
1560     { "f5", offsetof(CPUState, fpr[5]) },
1561     { "f6", offsetof(CPUState, fpr[6]) },
1562     { "f7", offsetof(CPUState, fpr[7]) },
1563     { "f8", offsetof(CPUState, fpr[8]) },
1564     { "f9", offsetof(CPUState, fpr[9]) },
1565     { "f10", offsetof(CPUState, fpr[10]) },
1566     { "f11", offsetof(CPUState, fpr[11]) },
1567     { "f12", offsetof(CPUState, fpr[12]) },
1568     { "f13", offsetof(CPUState, fpr[13]) },
1569     { "f14", offsetof(CPUState, fpr[14]) },
1570     { "f15", offsetof(CPUState, fpr[15]) },
1571     { "f16", offsetof(CPUState, fpr[16]) },
1572     { "f17", offsetof(CPUState, fpr[17]) },
1573     { "f18", offsetof(CPUState, fpr[18]) },
1574     { "f19", offsetof(CPUState, fpr[19]) },
1575     { "f20", offsetof(CPUState, fpr[20]) },
1576     { "f21", offsetof(CPUState, fpr[21]) },
1577     { "f22", offsetof(CPUState, fpr[22]) },
1578     { "f23", offsetof(CPUState, fpr[23]) },
1579     { "f24", offsetof(CPUState, fpr[24]) },
1580     { "f25", offsetof(CPUState, fpr[25]) },
1581     { "f26", offsetof(CPUState, fpr[26]) },
1582     { "f27", offsetof(CPUState, fpr[27]) },
1583     { "f28", offsetof(CPUState, fpr[28]) },
1584     { "f29", offsetof(CPUState, fpr[29]) },
1585     { "f30", offsetof(CPUState, fpr[30]) },
1586     { "f31", offsetof(CPUState, fpr[31]) },
1587 #ifdef TARGET_SPARC64
1588     { "f32", offsetof(CPUState, fpr[32]) },
1589     { "f34", offsetof(CPUState, fpr[34]) },
1590     { "f36", offsetof(CPUState, fpr[36]) },
1591     { "f38", offsetof(CPUState, fpr[38]) },
1592     { "f40", offsetof(CPUState, fpr[40]) },
1593     { "f42", offsetof(CPUState, fpr[42]) },
1594     { "f44", offsetof(CPUState, fpr[44]) },
1595     { "f46", offsetof(CPUState, fpr[46]) },
1596     { "f48", offsetof(CPUState, fpr[48]) },
1597     { "f50", offsetof(CPUState, fpr[50]) },
1598     { "f52", offsetof(CPUState, fpr[52]) },
1599     { "f54", offsetof(CPUState, fpr[54]) },
1600     { "f56", offsetof(CPUState, fpr[56]) },
1601     { "f58", offsetof(CPUState, fpr[58]) },
1602     { "f60", offsetof(CPUState, fpr[60]) },
1603     { "f62", offsetof(CPUState, fpr[62]) },
1604     { "asi", offsetof(CPUState, asi) },
1605     { "pstate", offsetof(CPUState, pstate) },
1606     { "cansave", offsetof(CPUState, cansave) },
1607     { "canrestore", offsetof(CPUState, canrestore) },
1608     { "otherwin", offsetof(CPUState, otherwin) },
1609     { "wstate", offsetof(CPUState, wstate) },
1610     { "cleanwin", offsetof(CPUState, cleanwin) },
1611     { "fprs", offsetof(CPUState, fprs) },
1612 #endif
1613 #endif
1614     { NULL },
1615 };
1616
1617 static void expr_error(const char *fmt)
1618 {
1619     term_printf(fmt);
1620     term_printf("\n");
1621     longjmp(expr_env, 1);
1622 }
1623
1624 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1625 static int get_monitor_def(target_long *pval, const char *name)
1626 {
1627     MonitorDef *md;
1628     void *ptr;
1629
1630     for(md = monitor_defs; md->name != NULL; md++) {
1631         if (compare_cmd(name, md->name)) {
1632             if (md->get_value) {
1633                 *pval = md->get_value(md, md->offset);
1634             } else {
1635                 CPUState *env = mon_get_cpu();
1636                 if (!env)
1637                     return -2;
1638                 ptr = (uint8_t *)env + md->offset;
1639                 switch(md->type) {
1640                 case MD_I32:
1641                     *pval = *(int32_t *)ptr;
1642                     break;
1643                 case MD_TLONG:
1644                     *pval = *(target_long *)ptr;
1645                     break;
1646                 default:
1647                     *pval = 0;
1648                     break;
1649                 }
1650             }
1651             return 0;
1652         }
1653     }
1654     return -1;
1655 }
1656
1657 static void next(void)
1658 {
1659     if (pch != '\0') {
1660         pch++;
1661         while (isspace(*pch))
1662             pch++;
1663     }
1664 }
1665
1666 static target_long expr_sum(void);
1667
1668 static target_long expr_unary(void)
1669 {
1670     target_long n;
1671     char *p;
1672     int ret;
1673
1674     switch(*pch) {
1675     case '+':
1676         next();
1677         n = expr_unary();
1678         break;
1679     case '-':
1680         next();
1681         n = -expr_unary();
1682         break;
1683     case '~':
1684         next();
1685         n = ~expr_unary();
1686         break;
1687     case '(':
1688         next();
1689         n = expr_sum();
1690         if (*pch != ')') {
1691             expr_error("')' expected");
1692         }
1693         next();
1694         break;
1695     case '\'':
1696         pch++;
1697         if (*pch == '\0')
1698             expr_error("character constant expected");
1699         n = *pch;
1700         pch++;
1701         if (*pch != '\'')
1702             expr_error("missing terminating \' character");
1703         next();
1704         break;
1705     case '$':
1706         {
1707             char buf[128], *q;
1708
1709             pch++;
1710             q = buf;
1711             while ((*pch >= 'a' && *pch <= 'z') ||
1712                    (*pch >= 'A' && *pch <= 'Z') ||
1713                    (*pch >= '0' && *pch <= '9') ||
1714                    *pch == '_' || *pch == '.') {
1715                 if ((q - buf) < sizeof(buf) - 1)
1716                     *q++ = *pch;
1717                 pch++;
1718             }
1719             while (isspace(*pch))
1720                 pch++;
1721             *q = 0;
1722             ret = get_monitor_def(&n, buf);
1723             if (ret == -1)
1724                 expr_error("unknown register");
1725             else if (ret == -2)
1726                 expr_error("no cpu defined");
1727         }
1728         break;
1729     case '\0':
1730         expr_error("unexpected end of expression");
1731         n = 0;
1732         break;
1733     default:
1734 #if TARGET_LONG_BITS == 64
1735         n = strtoull(pch, &p, 0);
1736 #else
1737         n = strtoul(pch, &p, 0);
1738 #endif
1739         if (pch == p) {
1740             expr_error("invalid char in expression");
1741         }
1742         pch = p;
1743         while (isspace(*pch))
1744             pch++;
1745         break;
1746     }
1747     return n;
1748 }
1749
1750
1751 static target_long expr_prod(void)
1752 {
1753     target_long val, val2;
1754     int op;
1755
1756     val = expr_unary();
1757     for(;;) {
1758         op = *pch;
1759         if (op != '*' && op != '/' && op != '%')
1760             break;
1761         next();
1762         val2 = expr_unary();
1763         switch(op) {
1764         default:
1765         case '*':
1766             val *= val2;
1767             break;
1768         case '/':
1769         case '%':
1770             if (val2 == 0)
1771                 expr_error("division by zero");
1772             if (op == '/')
1773                 val /= val2;
1774             else
1775                 val %= val2;
1776             break;
1777         }
1778     }
1779     return val;
1780 }
1781
1782 static target_long expr_logic(void)
1783 {
1784     target_long val, val2;
1785     int op;
1786
1787     val = expr_prod();
1788     for(;;) {
1789         op = *pch;
1790         if (op != '&' && op != '|' && op != '^')
1791             break;
1792         next();
1793         val2 = expr_prod();
1794         switch(op) {
1795         default:
1796         case '&':
1797             val &= val2;
1798             break;
1799         case '|':
1800             val |= val2;
1801             break;
1802         case '^':
1803             val ^= val2;
1804             break;
1805         }
1806     }
1807     return val;
1808 }
1809
1810 static target_long expr_sum(void)
1811 {
1812     target_long val, val2;
1813     int op;
1814
1815     val = expr_logic();
1816     for(;;) {
1817         op = *pch;
1818         if (op != '+' && op != '-')
1819             break;
1820         next();
1821         val2 = expr_logic();
1822         if (op == '+')
1823             val += val2;
1824         else
1825             val -= val2;
1826     }
1827     return val;
1828 }
1829
1830 static int get_expr(target_long *pval, const char **pp)
1831 {
1832     pch = *pp;
1833     if (setjmp(expr_env)) {
1834         *pp = pch;
1835         return -1;
1836     }
1837     while (isspace(*pch))
1838         pch++;
1839     *pval = expr_sum();
1840     *pp = pch;
1841     return 0;
1842 }
1843
1844 static int get_str(char *buf, int buf_size, const char **pp)
1845 {
1846     const char *p;
1847     char *q;
1848     int c;
1849
1850     q = buf;
1851     p = *pp;
1852     while (isspace(*p))
1853         p++;
1854     if (*p == '\0') {
1855     fail:
1856         *q = '\0';
1857         *pp = p;
1858         return -1;
1859     }
1860     if (*p == '\"') {
1861         p++;
1862         while (*p != '\0' && *p != '\"') {
1863             if (*p == '\\') {
1864                 p++;
1865                 c = *p++;
1866                 switch(c) {
1867                 case 'n':
1868                     c = '\n';
1869                     break;
1870                 case 'r':
1871                     c = '\r';
1872                     break;
1873                 case '\\':
1874                 case '\'':
1875                 case '\"':
1876                     break;
1877                 default:
1878                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1879                     goto fail;
1880                 }
1881                 if ((q - buf) < buf_size - 1) {
1882                     *q++ = c;
1883                 }
1884             } else {
1885                 if ((q - buf) < buf_size - 1) {
1886                     *q++ = *p;
1887                 }
1888                 p++;
1889             }
1890         }
1891         if (*p != '\"') {
1892             qemu_printf("unterminated string\n");
1893             goto fail;
1894         }
1895         p++;
1896     } else {
1897         while (*p != '\0' && !isspace(*p)) {
1898             if ((q - buf) < buf_size - 1) {
1899                 *q++ = *p;
1900             }
1901             p++;
1902         }
1903     }
1904     *q = '\0';
1905     *pp = p;
1906     return 0;
1907 }
1908
1909 static int default_fmt_format = 'x';
1910 static int default_fmt_size = 4;
1911
1912 #define MAX_ARGS 16
1913
1914 static void monitor_handle_command(const char *cmdline)
1915 {
1916     const char *p, *pstart, *typestr;
1917     char *q;
1918     int c, nb_args, len, i, has_arg;
1919     term_cmd_t *cmd;
1920     char cmdname[256];
1921     char buf[1024];
1922     void *str_allocated[MAX_ARGS];
1923     void *args[MAX_ARGS];
1924
1925 #ifdef DEBUG
1926     term_printf("command='%s'\n", cmdline);
1927 #endif
1928
1929     /* extract the command name */
1930     p = cmdline;
1931     q = cmdname;
1932     while (isspace(*p))
1933         p++;
1934     if (*p == '\0')
1935         return;
1936     pstart = p;
1937     while (*p != '\0' && *p != '/' && !isspace(*p))
1938         p++;
1939     len = p - pstart;
1940     if (len > sizeof(cmdname) - 1)
1941         len = sizeof(cmdname) - 1;
1942     memcpy(cmdname, pstart, len);
1943     cmdname[len] = '\0';
1944
1945     /* find the command */
1946     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
1947         if (compare_cmd(cmdname, cmd->name))
1948             goto found;
1949     }
1950     term_printf("unknown command: '%s'\n", cmdname);
1951     return;
1952  found:
1953
1954     for(i = 0; i < MAX_ARGS; i++)
1955         str_allocated[i] = NULL;
1956
1957     /* parse the parameters */
1958     typestr = cmd->args_type;
1959     nb_args = 0;
1960     for(;;) {
1961         c = *typestr;
1962         if (c == '\0')
1963             break;
1964         typestr++;
1965         switch(c) {
1966         case 'F':
1967         case 'B':
1968         case 's':
1969             {
1970                 int ret;
1971                 char *str;
1972
1973                 while (isspace(*p))
1974                     p++;
1975                 if (*typestr == '?') {
1976                     typestr++;
1977                     if (*p == '\0') {
1978                         /* no optional string: NULL argument */
1979                         str = NULL;
1980                         goto add_str;
1981                     }
1982                 }
1983                 ret = get_str(buf, sizeof(buf), &p);
1984                 if (ret < 0) {
1985                     switch(c) {
1986                     case 'F':
1987                         term_printf("%s: filename expected\n", cmdname);
1988                         break;
1989                     case 'B':
1990                         term_printf("%s: block device name expected\n", cmdname);
1991                         break;
1992                     default:
1993                         term_printf("%s: string expected\n", cmdname);
1994                         break;
1995                     }
1996                     goto fail;
1997                 }
1998                 str = qemu_malloc(strlen(buf) + 1);
1999                 strcpy(str, buf);
2000                 str_allocated[nb_args] = str;
2001             add_str:
2002                 if (nb_args >= MAX_ARGS) {
2003                 error_args:
2004                     term_printf("%s: too many arguments\n", cmdname);
2005                     goto fail;
2006                 }
2007                 args[nb_args++] = str;
2008             }
2009             break;
2010         case '/':
2011             {
2012                 int count, format, size;
2013
2014                 while (isspace(*p))
2015                     p++;
2016                 if (*p == '/') {
2017                     /* format found */
2018                     p++;
2019                     count = 1;
2020                     if (isdigit(*p)) {
2021                         count = 0;
2022                         while (isdigit(*p)) {
2023                             count = count * 10 + (*p - '0');
2024                             p++;
2025                         }
2026                     }
2027                     size = -1;
2028                     format = -1;
2029                     for(;;) {
2030                         switch(*p) {
2031                         case 'o':
2032                         case 'd':
2033                         case 'u':
2034                         case 'x':
2035                         case 'i':
2036                         case 'c':
2037                             format = *p++;
2038                             break;
2039                         case 'b':
2040                             size = 1;
2041                             p++;
2042                             break;
2043                         case 'h':
2044                             size = 2;
2045                             p++;
2046                             break;
2047                         case 'w':
2048                             size = 4;
2049                             p++;
2050                             break;
2051                         case 'g':
2052                         case 'L':
2053                             size = 8;
2054                             p++;
2055                             break;
2056                         default:
2057                             goto next;
2058                         }
2059                     }
2060                 next:
2061                     if (*p != '\0' && !isspace(*p)) {
2062                         term_printf("invalid char in format: '%c'\n", *p);
2063                         goto fail;
2064                     }
2065                     if (format < 0)
2066                         format = default_fmt_format;
2067                     if (format != 'i') {
2068                         /* for 'i', not specifying a size gives -1 as size */
2069                         if (size < 0)
2070                             size = default_fmt_size;
2071                     }
2072                     default_fmt_size = size;
2073                     default_fmt_format = format;
2074                 } else {
2075                     count = 1;
2076                     format = default_fmt_format;
2077                     if (format != 'i') {
2078                         size = default_fmt_size;
2079                     } else {
2080                         size = -1;
2081                     }
2082                 }
2083                 if (nb_args + 3 > MAX_ARGS)
2084                     goto error_args;
2085                 args[nb_args++] = (void*)count;
2086                 args[nb_args++] = (void*)format;
2087                 args[nb_args++] = (void*)size;
2088             }
2089             break;
2090         case 'i':
2091         case 'l':
2092             {
2093                 target_long val;
2094                 while (isspace(*p))
2095                     p++;
2096                 if (*typestr == '?' || *typestr == '.') {
2097                     if (*typestr == '?') {
2098                         if (*p == '\0')
2099                             has_arg = 0;
2100                         else
2101                             has_arg = 1;
2102                     } else {
2103                         if (*p == '.') {
2104                             p++;
2105                             while (isspace(*p))
2106                                 p++;
2107                             has_arg = 1;
2108                         } else {
2109                             has_arg = 0;
2110                         }
2111                     }
2112                     typestr++;
2113                     if (nb_args >= MAX_ARGS)
2114                         goto error_args;
2115                     args[nb_args++] = (void *)has_arg;
2116                     if (!has_arg) {
2117                         if (nb_args >= MAX_ARGS)
2118                             goto error_args;
2119                         val = -1;
2120                         goto add_num;
2121                     }
2122                 }
2123                 if (get_expr(&val, &p))
2124                     goto fail;
2125             add_num:
2126                 if (c == 'i') {
2127                     if (nb_args >= MAX_ARGS)
2128                         goto error_args;
2129                     args[nb_args++] = (void *)(int)val;
2130                 } else {
2131                     if ((nb_args + 1) >= MAX_ARGS)
2132                         goto error_args;
2133 #if TARGET_LONG_BITS == 64
2134                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2135 #else
2136                     args[nb_args++] = (void *)0;
2137 #endif
2138                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2139                 }
2140             }
2141             break;
2142         case '-':
2143             {
2144                 int has_option;
2145                 /* option */
2146
2147                 c = *typestr++;
2148                 if (c == '\0')
2149                     goto bad_type;
2150                 while (isspace(*p))
2151                     p++;
2152                 has_option = 0;
2153                 if (*p == '-') {
2154                     p++;
2155                     if (*p != c) {
2156                         term_printf("%s: unsupported option -%c\n",
2157                                     cmdname, *p);
2158                         goto fail;
2159                     }
2160                     p++;
2161                     has_option = 1;
2162                 }
2163                 if (nb_args >= MAX_ARGS)
2164                     goto error_args;
2165                 args[nb_args++] = (void *)has_option;
2166             }
2167             break;
2168         default:
2169         bad_type:
2170             term_printf("%s: unknown type '%c'\n", cmdname, c);
2171             goto fail;
2172         }
2173     }
2174     /* check that all arguments were parsed */
2175     while (isspace(*p))
2176         p++;
2177     if (*p != '\0') {
2178         term_printf("%s: extraneous characters at the end of line\n",
2179                     cmdname);
2180         goto fail;
2181     }
2182
2183     switch(nb_args) {
2184     case 0:
2185         cmd->handler();
2186         break;
2187     case 1:
2188         cmd->handler(args[0]);
2189         break;
2190     case 2:
2191         cmd->handler(args[0], args[1]);
2192         break;
2193     case 3:
2194         cmd->handler(args[0], args[1], args[2]);
2195         break;
2196     case 4:
2197         cmd->handler(args[0], args[1], args[2], args[3]);
2198         break;
2199     case 5:
2200         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2201         break;
2202     case 6:
2203         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2204         break;
2205     case 7:
2206         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2207         break;
2208     default:
2209         term_printf("unsupported number of arguments: %d\n", nb_args);
2210         goto fail;
2211     }
2212  fail:
2213     for(i = 0; i < MAX_ARGS; i++)
2214         qemu_free(str_allocated[i]);
2215     return;
2216 }
2217
2218 static void cmd_completion(const char *name, const char *list)
2219 {
2220     const char *p, *pstart;
2221     char cmd[128];
2222     int len;
2223
2224     p = list;
2225     for(;;) {
2226         pstart = p;
2227         p = strchr(p, '|');
2228         if (!p)
2229             p = pstart + strlen(pstart);
2230         len = p - pstart;
2231         if (len > sizeof(cmd) - 2)
2232             len = sizeof(cmd) - 2;
2233         memcpy(cmd, pstart, len);
2234         cmd[len] = '\0';
2235         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2236             add_completion(cmd);
2237         }
2238         if (*p == '\0')
2239             break;
2240         p++;
2241     }
2242 }
2243
2244 static void file_completion(const char *input)
2245 {
2246     DIR *ffs;
2247     struct dirent *d;
2248     char path[1024];
2249     char file[1024], file_prefix[1024];
2250     int input_path_len;
2251     const char *p;
2252
2253     p = strrchr(input, '/');
2254     if (!p) {
2255         input_path_len = 0;
2256         pstrcpy(file_prefix, sizeof(file_prefix), input);
2257         strcpy(path, ".");
2258     } else {
2259         input_path_len = p - input + 1;
2260         memcpy(path, input, input_path_len);
2261         if (input_path_len > sizeof(path) - 1)
2262             input_path_len = sizeof(path) - 1;
2263         path[input_path_len] = '\0';
2264         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2265     }
2266 #ifdef DEBUG_COMPLETION
2267     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2268 #endif
2269     ffs = opendir(path);
2270     if (!ffs)
2271         return;
2272     for(;;) {
2273         struct stat sb;
2274         d = readdir(ffs);
2275         if (!d)
2276             break;
2277         if (strstart(d->d_name, file_prefix, NULL)) {
2278             memcpy(file, input, input_path_len);
2279             strcpy(file + input_path_len, d->d_name);
2280             /* stat the file to find out if it's a directory.
2281              * In that case add a slash to speed up typing long paths
2282              */
2283             stat(file, &sb);
2284             if(S_ISDIR(sb.st_mode))
2285                 strcat(file, "/");
2286             add_completion(file);
2287         }
2288     }
2289     closedir(ffs);
2290 }
2291
2292 static void block_completion_it(void *opaque, const char *name)
2293 {
2294     const char *input = opaque;
2295
2296     if (input[0] == '\0' ||
2297         !strncmp(name, (char *)input, strlen(input))) {
2298         add_completion(name);
2299     }
2300 }
2301
2302 /* NOTE: this parser is an approximate form of the real command parser */
2303 static void parse_cmdline(const char *cmdline,
2304                          int *pnb_args, char **args)
2305 {
2306     const char *p;
2307     int nb_args, ret;
2308     char buf[1024];
2309
2310     p = cmdline;
2311     nb_args = 0;
2312     for(;;) {
2313         while (isspace(*p))
2314             p++;
2315         if (*p == '\0')
2316             break;
2317         if (nb_args >= MAX_ARGS)
2318             break;
2319         ret = get_str(buf, sizeof(buf), &p);
2320         args[nb_args] = qemu_strdup(buf);
2321         nb_args++;
2322         if (ret < 0)
2323             break;
2324     }
2325     *pnb_args = nb_args;
2326 }
2327
2328 void readline_find_completion(const char *cmdline)
2329 {
2330     const char *cmdname;
2331     char *args[MAX_ARGS];
2332     int nb_args, i, len;
2333     const char *ptype, *str;
2334     term_cmd_t *cmd;
2335     const KeyDef *key;
2336
2337     parse_cmdline(cmdline, &nb_args, args);
2338 #ifdef DEBUG_COMPLETION
2339     for(i = 0; i < nb_args; i++) {
2340         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2341     }
2342 #endif
2343
2344     /* if the line ends with a space, it means we want to complete the
2345        next arg */
2346     len = strlen(cmdline);
2347     if (len > 0 && isspace(cmdline[len - 1])) {
2348         if (nb_args >= MAX_ARGS)
2349             return;
2350         args[nb_args++] = qemu_strdup("");
2351     }
2352     if (nb_args <= 1) {
2353         /* command completion */
2354         if (nb_args == 0)
2355             cmdname = "";
2356         else
2357             cmdname = args[0];
2358         completion_index = strlen(cmdname);
2359         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2360             cmd_completion(cmdname, cmd->name);
2361         }
2362     } else {
2363         /* find the command */
2364         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2365             if (compare_cmd(args[0], cmd->name))
2366                 goto found;
2367         }
2368         return;
2369     found:
2370         ptype = cmd->args_type;
2371         for(i = 0; i < nb_args - 2; i++) {
2372             if (*ptype != '\0') {
2373                 ptype++;
2374                 while (*ptype == '?')
2375                     ptype++;
2376             }
2377         }
2378         str = args[nb_args - 1];
2379         switch(*ptype) {
2380         case 'F':
2381             /* file completion */
2382             completion_index = strlen(str);
2383             file_completion(str);
2384             break;
2385         case 'B':
2386             /* block device name completion */
2387             completion_index = strlen(str);
2388             bdrv_iterate(block_completion_it, (void *)str);
2389             break;
2390         case 's':
2391             /* XXX: more generic ? */
2392             if (!strcmp(cmd->name, "info")) {
2393                 completion_index = strlen(str);
2394                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2395                     cmd_completion(str, cmd->name);
2396                 }
2397             } else if (!strcmp(cmd->name, "sendkey")) {
2398                 completion_index = strlen(str);
2399                 for(key = key_defs; key->name != NULL; key++) {
2400                     cmd_completion(str, key->name);
2401                 }
2402             }
2403             break;
2404         default:
2405             break;
2406         }
2407     }
2408     for(i = 0; i < nb_args; i++)
2409         qemu_free(args[i]);
2410 }
2411
2412 static int term_can_read(void *opaque)
2413 {
2414     return 128;
2415 }
2416
2417 static void term_read(void *opaque, const uint8_t *buf, int size)
2418 {
2419     int i;
2420     for(i = 0; i < size; i++)
2421         readline_handle_byte(buf[i]);
2422 }
2423
2424 static void monitor_start_input(void);
2425
2426 static void monitor_handle_command1(void *opaque, const char *cmdline)
2427 {
2428     monitor_handle_command(cmdline);
2429     monitor_start_input();
2430 }
2431
2432 static void monitor_start_input(void)
2433 {
2434     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2435 }
2436
2437 void monitor_init(CharDriverState *hd, int show_banner)
2438 {
2439     monitor_hd = hd;
2440     if (show_banner) {
2441         term_printf("QEMU %s monitor - type 'help' for more information\n",
2442                     QEMU_VERSION);
2443     }
2444     qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
2445     monitor_start_input();
2446 }
2447
2448 /* XXX: use threads ? */
2449 /* modal monitor readline */
2450 static int monitor_readline_started;
2451 static char *monitor_readline_buf;
2452 static int monitor_readline_buf_size;
2453
2454 static void monitor_readline_cb(void *opaque, const char *input)
2455 {
2456     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2457     monitor_readline_started = 0;
2458 }
2459
2460 void monitor_readline(const char *prompt, int is_password,
2461                       char *buf, int buf_size)
2462 {
2463     if (is_password) {
2464         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2465     }
2466     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2467     monitor_readline_buf = buf;
2468     monitor_readline_buf_size = buf_size;
2469     monitor_readline_started = 1;
2470     while (monitor_readline_started) {
2471         main_loop_wait(10);
2472     }
2473 }