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