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 #if USE_KVM
  29 #include "qemu-kvm.h"
  30 #endif
  31 //#define DEBUG
  32 //#define DEBUG_COMPLETION
  33
  34 #ifndef offsetof
  35 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  36 #endif
  37
  38 /*
  39  * Supported types:
  40  *
  41  * 'F'          filename
  42  * 'B'          block device name
  43  * 's'          string (accept optional quote)
  44  * 'i'          32 bit integer
  45  * 'l'          target long (32 or 64 bit)
  46  * '/'          optional gdb-like print format (like "/10x")
  47  *
  48  * '?'          optional type (for 'F', 's' and 'i')
  49  *
  50  */
  51
  52 typedef struct term_cmd_t {
  53     const char *name;
  54     const char *args_type;
  55     void (*handler)();
  56     const char *params;
  57     const char *help;
  58 } term_cmd_t;
  59
  60 static CharDriverState *monitor_hd;
  61 static int hide_banner;
  62
  63 static term_cmd_t term_cmds[];
  64 static term_cmd_t info_cmds[];
  65
  66 static char term_outbuf[1024];
  67 static int term_outbuf_index;
  68
  69 static void monitor_start_input(void);
  70
  71 CPUState *mon_cpu = NULL;
  72
  73 void term_flush(void)
  74 {
  75     if (term_outbuf_index > 0) {
  76         qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
  77         term_outbuf_index = 0;
  78     }
  79 }
  80
  81 /* flush at every end of line or if the buffer is full */
  82 void term_puts(const char *str)
  83 {
  84     int c;
  85     for(;;) {
  86         c = *str++;
  87         if (c == '\0')
  88             break;
  89         if (c == '\n')
  90             term_outbuf[term_outbuf_index++] = '\r';
  91         term_outbuf[term_outbuf_index++] = c;
  92         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
  93             c == '\n')
  94             term_flush();
  95     }
  96 }
  97
  98 void term_vprintf(const char *fmt, va_list ap)
  99 {
 100     char buf[4096];
 101     vsnprintf(buf, sizeof(buf), fmt, ap);
 102     term_puts(buf);
 103 }
 104
 105 void term_printf(const char *fmt, ...)
 106 {
 107     va_list ap;
 108     va_start(ap, fmt);
 109     term_vprintf(fmt, ap);
 110     va_end(ap);
 111 }
 112
 113 void term_print_filename(const char *filename)
 114 {
 115     int i;
 116
 117     for (i = 0; filename[i]; i++) {
 118         switch (filename[i]) {
 119         case ' ':
 120         case '"':
 121         case '\\':
 122             term_printf("\\%c", filename[i]);
 123             break;
 124         case '\t':
 125             term_printf("\\t");
 126             break;
 127         case '\r':
 128             term_printf("\\r");
 129             break;
 130         case '\n':
 131             term_printf("\\n");
 132             break;
 133         default:
 134             term_printf("%c", filename[i]);
 135             break;
 136         }
 137     }
 138 }
 139
 140 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 141 {
 142     va_list ap;
 143     va_start(ap, fmt);
 144     term_vprintf(fmt, ap);
 145     va_end(ap);
 146     return 0;
 147 }
 148
 149 static int compare_cmd(const char *name, const char *list)
 150 {
 151     const char *p, *pstart;
 152     int len;
 153     len = strlen(name);
 154     p = list;
 155     for(;;) {
 156         pstart = p;
 157         p = strchr(p, '|');
 158         if (!p)
 159             p = pstart + strlen(pstart);
 160         if ((p - pstart) == len && !memcmp(pstart, name, len))
 161             return 1;
 162         if (*p == '\0')
 163             break;
 164         p++;
 165     }
 166     return 0;
 167 }
 168
 169 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 170 {
 171     term_cmd_t *cmd;
 172
 173     for(cmd = cmds; cmd->name != NULL; cmd++) {
 174         if (!name || !strcmp(name, cmd->name))
 175             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 176     }
 177 }
 178
 179 static void help_cmd(const char *name)
 180 {
 181     if (name && !strcmp(name, "info")) {
 182         help_cmd1(info_cmds, "info ", NULL);
 183     } else {
 184         help_cmd1(term_cmds, "", name);
 185         if (name && !strcmp(name, "log")) {
 186             CPULogItem *item;
 187             term_printf("Log items (comma separated):\n");
 188             term_printf("%-10s %s\n", "none", "remove all logs");
 189             for(item = cpu_log_items; item->mask != 0; item++) {
 190                 term_printf("%-10s %s\n", item->name, item->help);
 191             }
 192         }
 193     }
 194 }
 195
 196 static void do_help(const char *name)
 197 {
 198     help_cmd(name);
 199 }
 200
 201 static void do_commit(const char *device)
 202 {
 203     int i, all_devices;
 204
 205     all_devices = !strcmp(device, "all");
 206     for (i = 0; i < MAX_DISKS; i++) {
 207         if (bs_table[i]) {
 208             if (all_devices ||
 209                 !strcmp(bdrv_get_device_name(bs_table[i]), device))
 210                 bdrv_commit(bs_table[i]);
 211         }
 212     }
 213 }
 214
 215 static void do_info(const char *item)
 216 {
 217     term_cmd_t *cmd;
 218
 219     if (!item)
 220         goto help;
 221     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 222         if (compare_cmd(item, cmd->name))
 223             goto found;
 224     }
 225  help:
 226     help_cmd("info");
 227     return;
 228  found:
 229     cmd->handler();
 230 }
 231
 232 static void do_info_version(void)
 233 {
 234   term_printf("%s\n", QEMU_VERSION);
 235 }
 236
 237 static void do_info_block(void)
 238 {
 239     bdrv_info();
 240 }
 241
 242 /* get the current CPU defined by the user */
 243 int mon_set_cpu(int cpu_index)
 244 {
 245     CPUState *env;
 246
 247     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 248         if (env->cpu_index == cpu_index) {
 249             mon_cpu = env;
 250             return 0;
 251         }
 252     }
 253     return -1;
 254 }
 255
 256 CPUState *mon_get_cpu(void)
 257 {
 258     if (!mon_cpu) {
 259         mon_set_cpu(0);
 260     }
 261     return mon_cpu;
 262 }
 263
 264 static void do_info_registers(void)
 265 {
 266     CPUState *env;
 267     env = mon_get_cpu();
 268     if (!env)
 269         return;
 270 #ifdef TARGET_I386
 271     cpu_dump_state(env, NULL, monitor_fprintf,
 272                    X86_DUMP_FPU);
 273 #else
 274     cpu_dump_state(env, NULL, monitor_fprintf,
 275                    0);
 276 #endif
 277 }
 278
 279 static void do_info_cpus(void)
 280 {
 281     CPUState *env;
 282
 283     /* just to set the default cpu if not already done */
 284     mon_get_cpu();
 285
 286     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 287         term_printf("%c CPU #%d:",
 288                     (env == mon_cpu) ? '*' : ' ',
 289                     env->cpu_index);
 290 #if defined(TARGET_I386)
 291         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 292         if (env->hflags & HF_HALTED_MASK)
 293             term_printf(" (halted)");
 294 #elif defined(TARGET_PPC)
 295         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 296         if (env->halted)
 297             term_printf(" (halted)");
 298 #elif defined(TARGET_SPARC)
 299         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 300         if (env->halted)
 301             term_printf(" (halted)");
 302 #endif
 303         term_printf("\n");
 304     }
 305 }
 306
 307 static void do_cpu_set(int index)
 308 {
 309     if (mon_set_cpu(index) < 0)
 310         term_printf("Invalid CPU index\n");
 311 }
 312
 313 static void do_info_jit(void)
 314 {
 315     dump_exec_info(NULL, monitor_fprintf);
 316 }
 317
 318 static void do_info_history (void)
 319 {
 320     int i;
 321     const char *str;
 322
 323     i = 0;
 324     for(;;) {
 325         str = readline_get_history(i);
 326         if (!str)
 327             break;
 328         term_printf("%d: '%s'\n", i, str);
 329         i++;
 330     }
 331 }
 332
 333 static void do_quit(void)
 334 {
 335     exit(0);
 336 }
 337
 338 static int eject_device(BlockDriverState *bs, int force)
 339 {
 340     if (bdrv_is_inserted(bs)) {
 341         if (!force) {
 342             if (!bdrv_is_removable(bs)) {
 343                 term_printf("device is not removable\n");
 344                 return -1;
 345             }
 346             if (bdrv_is_locked(bs)) {
 347                 term_printf("device is locked\n");
 348                 return -1;
 349             }
 350         }
 351         bdrv_close(bs);
 352     }
 353     return 0;
 354 }
 355
 356 static void do_eject(int force, const char *filename)
 357 {
 358     BlockDriverState *bs;
 359
 360     bs = bdrv_find(filename);
 361     if (!bs) {
 362         term_printf("device not found\n");
 363         return;
 364     }
 365     eject_device(bs, force);
 366 }
 367
 368 #define USAGE_STR "Usage: read_disk_io hd[a/b/c/d]\n"
 369 DiskIOStatistics vmdk_io_statistics(BlockDriverState *bs);
 370
 371 static void do_io_statistics(const char *hdx)
 372 {
 373     DiskIOStatistics io[4];
 374
 375     if ((strcmp(hdx,"hda") != 0) && (strcmp(hdx,"hdb") != 0) &&
 376         (strcmp(hdx,"hdc") != 0) && (strcmp(hdx,"hdd") != 0)) {
 377         term_printf(USAGE_STR);
 378         return;
 379     }
 380
 381     switch (hdx[2]) {
 382     case 'a':
 383         term_printf("---------- hda io statistics ----------\n");
 384         io[0] = vmdk_io_statistics(bs_table[0]);
 385         term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 386                     io[0].read_byte_counter, io[0].write_byte_counter);
 387         break;
 388     case 'b':
 389         term_printf("---------- hdb io statistics ----------\n");
 390         if (bs_table[1]) {
 391             io[1] = vmdk_io_statistics(bs_table[1]);
 392             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 393                         io[1].read_byte_counter, io[1].write_byte_counter);
 394         }else {
 395             term_printf("hdb not exist\n");
 396         }
 397         break;
 398     case 'c':
 399         term_printf("---------- hdc io statistics ----------\n");
 400         if (bs_table[2]) {
 401             io[2] = vmdk_io_statistics(bs_table[2]);
 402             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 403                         io[2].read_byte_counter, io[2].write_byte_counter);
 404         }else {
 405             term_printf("hdc not exist\n");
 406         }
 407         break;
 408     case 'd':
 409         term_printf("---------- hdd io statistics ----------\n");
 410         if (bs_table[3]) {
 411             io[3] = vmdk_io_statistics(bs_table[3]);
 412             term_printf("read: %" PRIu64 " \nwrite: %" PRIu64 " \n",
 413                         io[3].read_byte_counter, io[3].write_byte_counter);
 414         }else {
 415             term_printf("hdd not exist\n");
 416         }
 417         break;
 418     }
 419 }
 420
 421 static void do_change(const char *device, const char *filename)
 422 {
 423     BlockDriverState *bs;
 424     int i;
 425     char password[256];
 426
 427     bs = bdrv_find(device);
 428     if (!bs) {
 429         term_printf("device not found\n");
 430         return;
 431     }
 432     if (eject_device(bs, 0) < 0)
 433         return;
 434     bdrv_open(bs, filename, 0);
 435     if (bdrv_is_encrypted(bs)) {
 436         term_printf("%s is encrypted.\n", device);
 437         for(i = 0; i < 3; i++) {
 438             monitor_readline("Password: ", 1, password, sizeof(password));
 439             if (bdrv_set_key(bs, password) == 0)
 440                 break;
 441             term_printf("invalid password\n");
 442         }
 443     }
 444 }
 445
 446 static void do_screen_dump(const char *filename)
 447 {
 448     vga_hw_screen_dump(filename);
 449 }
 450
 451 static void do_log(const char *items)
 452 {
 453     int mask;
 454
 455     if (!strcmp(items, "none")) {
 456         mask = 0;
 457     } else {
 458         mask = cpu_str_to_log_mask(items);
 459         if (!mask) {
 460             help_cmd("log");
 461             return;
 462         }
 463     }
 464     cpu_set_log(mask);
 465 }
 466
 467 static void do_stop(void)
 468 {
 469     vm_stop(EXCP_INTERRUPT);
 470 }
 471
 472 static void do_cont(void)
 473 {
 474     vm_start();
 475 }
 476
 477 #ifdef CONFIG_GDBSTUB
 478 static void do_gdbserver(int has_port, int port)
 479 {
 480     if (!has_port)
 481         port = DEFAULT_GDBSTUB_PORT;
 482     if (gdbserver_start_port(port) < 0) {
 483         qemu_printf("Could not open gdbserver socket on port %d\n", port);
 484     } else {
 485         qemu_printf("Waiting gdb connection on port %d\n", port);
 486     }
 487 }
 488 #endif
 489
 490 static void term_printc(int c)
 491 {
 492     term_printf("'");
 493     switch(c) {
 494     case '\'':
 495         term_printf("\\'");
 496         break;
 497     case '\\':
 498         term_printf("\\\\");
 499         break;
 500     case '\n':
 501         term_printf("\\n");
 502         break;
 503     case '\r':
 504         term_printf("\\r");
 505         break;
 506     default:
 507         if (c >= 32 && c <= 126) {
 508             term_printf("%c", c);
 509         } else {
 510             term_printf("\\x%02x", c);
 511         }
 512         break;
 513     }
 514     term_printf("'");
 515 }
 516
 517 static void memory_dump(int count, int format, int wsize,
 518                         target_ulong addr, int is_physical)
 519 {
 520     CPUState *env;
 521     int nb_per_line, l, line_size, i, max_digits, len;
 522     uint8_t buf[16];
 523     uint64_t v;
 524
 525     if (format == 'i') {
 526         int flags;
 527         flags = 0;
 528         env = mon_get_cpu();
 529         if (!env && !is_physical)
 530             return;
 531 #ifdef TARGET_I386
 532         if (wsize == 2) {
 533             flags = 1;
 534         } else if (wsize == 4) {
 535             flags = 0;
 536         } else {
 537             /* as default we use the current CS size */
 538             flags = 0;
 539             if (env) {
 540 #ifdef TARGET_X86_64
 541                 if ((env->efer & MSR_EFER_LMA) &&
 542                     (env->segs[R_CS].flags & DESC_L_MASK))
 543                     flags = 2;
 544                 else
 545 #endif
 546                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 547                     flags = 1;
 548             }
 549         }
 550 #endif
 551         monitor_disas(env, addr, count, is_physical, flags);
 552         return;
 553     }
 554
 555     len = wsize * count;
 556     if (wsize == 1)
 557         line_size = 8;
 558     else
 559         line_size = 16;
 560     nb_per_line = line_size / wsize;
 561     max_digits = 0;
 562
 563     switch(format) {
 564     case 'o':
 565         max_digits = (wsize * 8 + 2) / 3;
 566         break;
 567     default:
 568     case 'x':
 569         max_digits = (wsize * 8) / 4;
 570         break;
 571     case 'u':
 572     case 'd':
 573         max_digits = (wsize * 8 * 10 + 32) / 33;
 574         break;
 575     case 'c':
 576         wsize = 1;
 577         break;
 578     }
 579
 580     while (len > 0) {
 581         term_printf(TARGET_FMT_lx ":", addr);
 582         l = len;
 583         if (l > line_size)
 584             l = line_size;
 585         if (is_physical) {
 586             cpu_physical_memory_rw(addr, buf, l, 0);
 587         } else {
 588             env = mon_get_cpu();
 589             if (!env)
 590                 break;
 591             cpu_memory_rw_debug(env, addr, buf, l, 0);
 592         }
 593         i = 0;
 594         while (i < l) {
 595             switch(wsize) {
 596             default:
 597             case 1:
 598                 v = ldub_raw(buf + i);
 599                 break;
 600             case 2:
 601                 v = lduw_raw(buf + i);
 602                 break;
 603             case 4:
 604                 v = (uint32_t)ldl_raw(buf + i);
 605                 break;
 606             case 8:
 607                 v = ldq_raw(buf + i);
 608                 break;
 609             }
 610             term_printf(" ");
 611             switch(format) {
 612             case 'o':
 613                 term_printf("%#*" PRIo64, max_digits, v);
 614                 break;
 615             case 'x':
 616                 term_printf("0x%0*" PRIx64, max_digits, v);
 617                 break;
 618             case 'u':
 619                 term_printf("%*" PRIu64, max_digits, v);
 620                 break;
 621             case 'd':
 622                 term_printf("%*" PRId64, max_digits, v);
 623                 break;
 624             case 'c':
 625                 term_printc(v);
 626                 break;
 627             }
 628             i += wsize;
 629         }
 630         term_printf("\n");
 631         addr += l;
 632         len -= l;
 633     }
 634 }
 635
 636 #if TARGET_LONG_BITS == 64
 637 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 638 #else
 639 #define GET_TLONG(h, l) (l)
 640 #endif
 641
 642 static void do_memory_dump(int count, int format, int size,
 643                            uint32_t addrh, uint32_t addrl)
 644 {
 645     target_long addr = GET_TLONG(addrh, addrl);
 646     memory_dump(count, format, size, addr, 0);
 647 }
 648
 649 static void do_physical_memory_dump(int count, int format, int size,
 650                                     uint32_t addrh, uint32_t addrl)
 651
 652 {
 653     target_long addr = GET_TLONG(addrh, addrl);
 654     memory_dump(count, format, size, addr, 1);
 655 }
 656
 657 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 658 {
 659     target_long val = GET_TLONG(valh, vall);
 660 #if TARGET_LONG_BITS == 32
 661     switch(format) {
 662     case 'o':
 663         term_printf("%#o", val);
 664         break;
 665     case 'x':
 666         term_printf("%#x", val);
 667         break;
 668     case 'u':
 669         term_printf("%u", val);
 670         break;
 671     default:
 672     case 'd':
 673         term_printf("%d", val);
 674         break;
 675     case 'c':
 676         term_printc(val);
 677         break;
 678     }
 679 #else
 680     switch(format) {
 681     case 'o':
 682         term_printf("%#" PRIo64, val);
 683         break;
 684     case 'x':
 685         term_printf("%#" PRIx64, val);
 686         break;
 687     case 'u':
 688         term_printf("%" PRIu64, val);
 689         break;
 690     default:
 691     case 'd':
 692         term_printf("%" PRId64, val);
 693         break;
 694     case 'c':
 695         term_printc(val);
 696         break;
 697     }
 698 #endif
 699     term_printf("\n");
 700 }
 701
 702 static void do_memory_save(unsigned int valh, unsigned int vall,
 703                            uint32_t size, const char *filename)
 704 {
 705     FILE *f;
 706     target_long addr = GET_TLONG(valh, vall);
 707     uint32_t l;
 708     CPUState *env;
 709     uint8_t buf[1024];
 710
 711     env = mon_get_cpu();
 712     if (!env)
 713         return;
 714
 715     f = fopen(filename, "wb");
 716     if (!f) {
 717         term_printf("could not open '%s'\n", filename);
 718         return;
 719     }
 720     while (size != 0) {
 721         l = sizeof(buf);
 722         if (l > size)
 723             l = size;
 724         cpu_memory_rw_debug(env, addr, buf, l, 0);
 725         fwrite(buf, 1, l, f);
 726         addr += l;
 727         size -= l;
 728     }
 729     fclose(f);
 730 }
 731
 732 static void do_sum(uint32_t start, uint32_t size)
 733 {
 734     uint32_t addr;
 735     uint8_t buf[1];
 736     uint16_t sum;
 737
 738     sum = 0;
 739     for(addr = start; addr < (start + size); addr++) {
 740         cpu_physical_memory_rw(addr, buf, 1, 0);
 741         /* BSD sum algorithm ('sum' Unix command) */
 742         sum = (sum >> 1) | (sum << 15);
 743         sum += buf[0];
 744     }
 745     term_printf("%05d\n", sum);
 746 }
 747
 748 typedef struct {
 749     int keycode;
 750     const char *name;
 751 } KeyDef;
 752
 753 static const KeyDef key_defs[] = {
 754     { 0x2a, "shift" },
 755     { 0x36, "shift_r" },
 756
 757     { 0x38, "alt" },
 758     { 0xb8, "alt_r" },
 759     { 0x1d, "ctrl" },
 760     { 0x9d, "ctrl_r" },
 761
 762     { 0xdd, "menu" },
 763
 764     { 0x01, "esc" },
 765
 766     { 0x02, "1" },
 767     { 0x03, "2" },
 768     { 0x04, "3" },
 769     { 0x05, "4" },
 770     { 0x06, "5" },
 771     { 0x07, "6" },
 772     { 0x08, "7" },
 773     { 0x09, "8" },
 774     { 0x0a, "9" },
 775     { 0x0b, "0" },
 776     { 0x0c, "minus" },
 777     { 0x0d, "equal" },
 778     { 0x0e, "backspace" },
 779
 780     { 0x0f, "tab" },
 781     { 0x10, "q" },
 782     { 0x11, "w" },
 783     { 0x12, "e" },
 784     { 0x13, "r" },
 785     { 0x14, "t" },
 786     { 0x15, "y" },
 787     { 0x16, "u" },
 788     { 0x17, "i" },
 789     { 0x18, "o" },
 790     { 0x19, "p" },
 791
 792     { 0x1c, "ret" },
 793
 794     { 0x1e, "a" },
 795     { 0x1f, "s" },
 796     { 0x20, "d" },
 797     { 0x21, "f" },
 798     { 0x22, "g" },
 799     { 0x23, "h" },
 800     { 0x24, "j" },
 801     { 0x25, "k" },
 802     { 0x26, "l" },
 803
 804     { 0x2c, "z" },
 805     { 0x2d, "x" },
 806     { 0x2e, "c" },
 807     { 0x2f, "v" },
 808     { 0x30, "b" },
 809     { 0x31, "n" },
 810     { 0x32, "m" },
 811
 812     { 0x39, "spc" },
 813     { 0x3a, "caps_lock" },
 814     { 0x3b, "f1" },
 815     { 0x3c, "f2" },
 816     { 0x3d, "f3" },
 817     { 0x3e, "f4" },
 818     { 0x3f, "f5" },
 819     { 0x40, "f6" },
 820     { 0x41, "f7" },
 821     { 0x42, "f8" },
 822     { 0x43, "f9" },
 823     { 0x44, "f10" },
 824     { 0x45, "num_lock" },
 825     { 0x46, "scroll_lock" },
 826
 827     { 0xb5, "kp_divide" },
 828     { 0x37, "kp_multiply" },
 829     { 0x4a, "kp_substract" },
 830     { 0x4e, "kp_add" },
 831     { 0x9c, "kp_enter" },
 832     { 0x53, "kp_decimal" },
 833
 834     { 0x52, "kp_0" },
 835     { 0x4f, "kp_1" },
 836     { 0x50, "kp_2" },
 837     { 0x51, "kp_3" },
 838     { 0x4b, "kp_4" },
 839     { 0x4c, "kp_5" },
 840     { 0x4d, "kp_6" },
 841     { 0x47, "kp_7" },
 842     { 0x48, "kp_8" },
 843     { 0x49, "kp_9" },
 844
 845     { 0x56, "<" },
 846
 847     { 0x57, "f11" },
 848     { 0x58, "f12" },
 849
 850     { 0xb7, "print" },
 851
 852     { 0xc7, "home" },
 853     { 0xc9, "pgup" },
 854     { 0xd1, "pgdn" },
 855     { 0xcf, "end" },
 856
 857     { 0xcb, "left" },
 858     { 0xc8, "up" },
 859     { 0xd0, "down" },
 860     { 0xcd, "right" },
 861
 862     { 0xd2, "insert" },
 863     { 0xd3, "delete" },
 864     { 0, NULL },
 865 };
 866
 867 static int get_keycode(const char *key)
 868 {
 869     const KeyDef *p;
 870     char *endp;
 871     int ret;
 872
 873     for(p = key_defs; p->name != NULL; p++) {
 874         if (!strcmp(key, p->name))
 875             return p->keycode;
 876     }
 877     if (strstart(key, "0x", NULL)) {
 878         ret = strtoul(key, &endp, 0);
 879         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 880             return ret;
 881     }
 882     return -1;
 883 }
 884
 885 static void do_send_key(const char *string)
 886 {
 887     char keybuf[16], *q;
 888     uint8_t keycodes[16];
 889     const char *p;
 890     int nb_keycodes, keycode, i;
 891
 892     nb_keycodes = 0;
 893     p = string;
 894     while (*p != '\0') {
 895         q = keybuf;
 896         while (*p != '\0' && *p != '-') {
 897             if ((q - keybuf) < sizeof(keybuf) - 1) {
 898                 *q++ = *p;
 899             }
 900             p++;
 901         }
 902         *q = '\0';
 903         keycode = get_keycode(keybuf);
 904         if (keycode < 0) {
 905             term_printf("unknown key: '%s'\n", keybuf);
 906             return;
 907         }
 908         keycodes[nb_keycodes++] = keycode;
 909         if (*p == '\0')
 910             break;
 911         p++;
 912     }
 913     /* key down events */
 914     for(i = 0; i < nb_keycodes; i++) {
 915         keycode = keycodes[i];
 916         if (keycode & 0x80)
 917             kbd_put_keycode(0xe0);
 918         kbd_put_keycode(keycode & 0x7f);
 919     }
 920     /* key up events */
 921     for(i = nb_keycodes - 1; i >= 0; i--) {
 922         keycode = keycodes[i];
 923         if (keycode & 0x80)
 924             kbd_put_keycode(0xe0);
 925         kbd_put_keycode(keycode | 0x80);
 926     }
 927 }
 928
 929 static int mouse_button_state;
 930
 931 static void do_mouse_move(const char *dx_str, const char *dy_str,
 932                           const char *dz_str)
 933 {
 934     int dx, dy, dz;
 935     dx = strtol(dx_str, NULL, 0);
 936     dy = strtol(dy_str, NULL, 0);
 937     dz = 0;
 938     if (dz_str)
 939         dz = strtol(dz_str, NULL, 0);
 940     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 941 }
 942
 943 static void do_mouse_button(int button_state)
 944 {
 945     mouse_button_state = button_state;
 946     kbd_mouse_event(0, 0, 0, mouse_button_state);
 947 }
 948
 949 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
 950 {
 951     uint32_t val;
 952     int suffix;
 953
 954     if (has_index) {
 955         cpu_outb(NULL, addr & 0xffff, index & 0xff);
 956         addr++;
 957     }
 958     addr &= 0xffff;
 959
 960     switch(size) {
 961     default:
 962     case 1:
 963         val = cpu_inb(NULL, addr);
 964         suffix = 'b';
 965         break;
 966     case 2:
 967         val = cpu_inw(NULL, addr);
 968         suffix = 'w';
 969         break;
 970     case 4:
 971         val = cpu_inl(NULL, addr);
 972         suffix = 'l';
 973         break;
 974     }
 975     term_printf("port%c[0x%04x] = %#0*x\n",
 976                 suffix, addr, size * 2, val);
 977 }
 978
 979 static void do_system_reset(void)
 980 {
 981     qemu_system_reset_request();
 982 }
 983
 984 static void do_system_powerdown(void)
 985 {
 986     qemu_system_powerdown_request();
 987 }
 988
 989 #if defined(TARGET_I386)
 990 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 991 {
 992     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
 993                 addr,
 994                 pte & mask,
 995                 pte & PG_GLOBAL_MASK ? 'G' : '-',
 996                 pte & PG_PSE_MASK ? 'P' : '-',
 997                 pte & PG_DIRTY_MASK ? 'D' : '-',
 998                 pte & PG_ACCESSED_MASK ? 'A' : '-',
 999                 pte & PG_PCD_MASK ? 'C' : '-',
1000                 pte & PG_PWT_MASK ? 'T' : '-',
1001                 pte & PG_USER_MASK ? 'U' : '-',
1002                 pte & PG_RW_MASK ? 'W' : '-');
1003 }
1004
1005 static void tlb_info(void)
1006 {
1007     CPUState *env;
1008     int l1, l2;
1009     uint32_t pgd, pde, pte;
1010
1011     env = mon_get_cpu();
1012     if (!env)
1013         return;
1014
1015     if (!(env->cr[0] & CR0_PG_MASK)) {
1016         term_printf("PG disabled\n");
1017         return;
1018     }
1019     pgd = env->cr[3] & ~0xfff;
1020     for(l1 = 0; l1 < 1024; l1++) {
1021         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1022         pde = le32_to_cpu(pde);
1023         if (pde & PG_PRESENT_MASK) {
1024             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1025                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1026             } else {
1027                 for(l2 = 0; l2 < 1024; l2++) {
1028                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1029                                              (uint8_t *)&pte, 4);
1030                     pte = le32_to_cpu(pte);
1031                     if (pte & PG_PRESENT_MASK) {
1032                         print_pte((l1 << 22) + (l2 << 12),
1033                                   pte & ~PG_PSE_MASK,
1034                                   ~0xfff);
1035                     }
1036                 }
1037             }
1038         }
1039     }
1040 }
1041
1042 static void mem_print(uint32_t *pstart, int *plast_prot,
1043                       uint32_t end, int prot)
1044 {
1045     int prot1;
1046     prot1 = *plast_prot;
1047     if (prot != prot1) {
1048         if (*pstart != -1) {
1049             term_printf("%08x-%08x %08x %c%c%c\n",
1050                         *pstart, end, end - *pstart,
1051                         prot1 & PG_USER_MASK ? 'u' : '-',
1052                         'r',
1053                         prot1 & PG_RW_MASK ? 'w' : '-');
1054         }
1055         if (prot != 0)
1056             *pstart = end;
1057         else
1058             *pstart = -1;
1059         *plast_prot = prot;
1060     }
1061 }
1062
1063 static void mem_info(void)
1064 {
1065     CPUState *env;
1066     int l1, l2, prot, last_prot;
1067     uint32_t pgd, pde, pte, start, end;
1068
1069     env = mon_get_cpu();
1070     if (!env)
1071         return;
1072
1073     if (!(env->cr[0] & CR0_PG_MASK)) {
1074         term_printf("PG disabled\n");
1075         return;
1076     }
1077     pgd = env->cr[3] & ~0xfff;
1078     last_prot = 0;
1079     start = -1;
1080     for(l1 = 0; l1 < 1024; l1++) {
1081         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1082         pde = le32_to_cpu(pde);
1083         end = l1 << 22;
1084         if (pde & PG_PRESENT_MASK) {
1085             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1086                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1087                 mem_print(&start, &last_prot, end, prot);
1088             } else {
1089                 for(l2 = 0; l2 < 1024; l2++) {
1090                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1091                                              (uint8_t *)&pte, 4);
1092                     pte = le32_to_cpu(pte);
1093                     end = (l1 << 22) + (l2 << 12);
1094                     if (pte & PG_PRESENT_MASK) {
1095                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1096                     } else {
1097                         prot = 0;
1098                     }
1099                     mem_print(&start, &last_prot, end, prot);
1100                 }
1101             }
1102         } else {
1103             prot = 0;
1104             mem_print(&start, &last_prot, end, prot);
1105         }
1106     }
1107 }
1108 #endif
1109
1110 static void do_info_kqemu(void)
1111 {
1112 #ifdef USE_KQEMU
1113     CPUState *env;
1114     int val;
1115     val = 0;
1116     env = mon_get_cpu();
1117     if (!env) {
1118         term_printf("No cpu initialized yet");
1119         return;
1120     }
1121     val = env->kqemu_enabled;
1122     term_printf("kqemu support: ");
1123     switch(val) {
1124     default:
1125     case 0:
1126         term_printf("disabled\n");
1127         break;
1128     case 1:
1129         term_printf("enabled for user code\n");
1130         break;
1131     case 2:
1132         term_printf("enabled for user and kernel code\n");
1133         break;
1134     }
1135 #else
1136     term_printf("kqemu support: not compiled\n");
1137 #endif
1138 }
1139
1140 #ifdef CONFIG_PROFILER
1141
1142 int64_t kqemu_time;
1143 int64_t qemu_time;
1144 int64_t kqemu_exec_count;
1145 int64_t dev_time;
1146 int64_t kqemu_ret_int_count;
1147 int64_t kqemu_ret_excp_count;
1148 int64_t kqemu_ret_intr_count;
1149
1150 static void do_info_profile(void)
1151 {
1152     int64_t total;
1153     total = qemu_time;
1154     if (total == 0)
1155         total = 1;
1156     term_printf("async time  %" PRId64 " (%0.3f)\n",
1157                 dev_time, dev_time / (double)ticks_per_sec);
1158     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1159                 qemu_time, qemu_time / (double)ticks_per_sec);
1160     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1161                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1162                 kqemu_time / (double)total * 100.0,
1163                 kqemu_exec_count,
1164                 kqemu_ret_int_count,
1165                 kqemu_ret_excp_count,
1166                 kqemu_ret_intr_count);
1167     qemu_time = 0;
1168     kqemu_time = 0;
1169     kqemu_exec_count = 0;
1170     dev_time = 0;
1171     kqemu_ret_int_count = 0;
1172     kqemu_ret_excp_count = 0;
1173     kqemu_ret_intr_count = 0;
1174 #ifdef USE_KQEMU
1175     kqemu_record_dump();
1176 #endif
1177 }
1178 #else
1179 static void do_info_profile(void)
1180 {
1181     term_printf("Internal profiler not compiled\n");
1182 }
1183 #endif
1184
1185 /* Capture support */
1186 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1187
1188 static void do_info_capture (void)
1189 {
1190     int i;
1191     CaptureState *s;
1192
1193     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1194         term_printf ("[%d]: ", i);
1195         s->ops.info (s->opaque);
1196     }
1197 }
1198
1199 static void do_stop_capture (int n)
1200 {
1201     int i;
1202     CaptureState *s;
1203
1204     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1205         if (i == n) {
1206             s->ops.destroy (s->opaque);
1207             LIST_REMOVE (s, entries);
1208             qemu_free (s);
1209             return;
1210         }
1211     }
1212 }
1213
1214 #ifdef HAS_AUDIO
1215 int wav_start_capture (CaptureState *s, const char *path, int freq,
1216                        int bits, int nchannels);
1217
1218 static void do_wav_capture (const char *path,
1219                             int has_freq, int freq,
1220                             int has_bits, int bits,
1221                             int has_channels, int nchannels)
1222 {
1223     CaptureState *s;
1224
1225     s = qemu_mallocz (sizeof (*s));
1226     if (!s) {
1227         term_printf ("Not enough memory to add wave capture\n");
1228         return;
1229     }
1230
1231     freq = has_freq ? freq : 44100;
1232     bits = has_bits ? bits : 16;
1233     nchannels = has_channels ? nchannels : 2;
1234
1235     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1236         term_printf ("Faied to add wave capture\n");
1237         qemu_free (s);
1238     }
1239     LIST_INSERT_HEAD (&capture_head, s, entries);
1240 }
1241 #endif
1242
1243 static term_cmd_t term_cmds[] = {
1244     { "help|?", "s?", do_help,
1245       "[cmd]", "show the help" },
1246     { "commit", "s", do_commit,
1247       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1248     { "info", "s?", do_info,
1249       "subcommand", "show various information about the system state" },
1250     { "q|quit", "", do_quit,
1251       "", "quit the emulator" },
1252     { "eject", "-fB", do_eject,
1253       "[-f] device", "eject a removable media (use -f to force it)" },
1254     { "change", "BF", do_change,
1255       "device filename", "change a removable media" },
1256     { "screendump", "F", do_screen_dump,
1257       "filename", "save screen into PPM image 'filename'" },
1258     { "log", "s", do_log,
1259       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1260     { "savevm", "s?", do_savevm,
1261       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1262     { "loadvm", "s", do_loadvm,
1263       "tag|id", "restore a VM snapshot from its tag or id" },
1264     { "delvm", "s", do_delvm,
1265       "tag|id", "delete a VM snapshot from its tag or id" },
1266     { "stop", "", do_stop,
1267       "", "stop emulation", },
1268     { "c|cont", "", do_cont,
1269       "", "resume emulation", },
1270 #ifdef CONFIG_GDBSTUB
1271     { "gdbserver", "i?", do_gdbserver,
1272       "[port]", "start gdbserver session (default port=1234)", },
1273 #endif
1274     { "x", "/l", do_memory_dump,
1275       "/fmt addr", "virtual memory dump starting at 'addr'", },
1276     { "xp", "/l", do_physical_memory_dump,
1277       "/fmt addr", "physical memory dump starting at 'addr'", },
1278     { "p|print", "/l", do_print,
1279       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1280     { "i", "/ii.", do_ioport_read,
1281       "/fmt addr", "I/O port read" },
1282
1283     { "sendkey", "s", do_send_key,
1284       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
1285     { "system_reset", "", do_system_reset,
1286       "", "reset the system" },
1287     { "system_powerdown", "", do_system_powerdown,
1288       "", "send system power down event" },
1289     { "sum", "ii", do_sum,
1290       "addr size", "compute the checksum of a memory region" },
1291     { "usb_add", "s", do_usb_add,
1292       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1293     { "usb_del", "s", do_usb_del,
1294       "device", "remove USB device 'bus.addr'" },
1295     { "cpu", "i", do_cpu_set,
1296       "index", "set the default CPU" },
1297     { "mouse_move", "sss?", do_mouse_move,
1298       "dx dy [dz]", "send mouse move events" },
1299     { "mouse_button", "i", do_mouse_button,
1300       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1301     { "mouse_set", "i", do_mouse_set,
1302       "index", "set which mouse device receives events" },
1303 #ifdef HAS_AUDIO
1304     { "wavcapture", "si?i?i?", do_wav_capture,
1305       "path [frequency bits channels]",
1306       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1307 #endif
1308      { "stopcapture", "i", do_stop_capture,
1309        "capture index", "stop capture" },
1310     { "memsave", "lis", do_memory_save,
1311       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'" },
1312     { "read_disk_io", "s", do_io_statistics,
1313       "hdx", "read disk I/O statistics (VMDK format)" },
1314     { "migrate", "-ds", do_migrate,
1315       "[-d] command", "migrate the VM using command (use -d to not wait for command to complete)" },
1316     { "migrate_cancel", "", do_migrate_cancel,
1317       "", "cancel the current VM migration" },
1318     { "migrate_set_speed", "s", do_migrate_set_speed,
1319       "value", "set maximum speed (in bytes) for migrations" },
1320     { NULL, NULL, },
1321 };
1322
1323 static term_cmd_t info_cmds[] = {
1324     { "version", "", do_info_version,
1325       "", "show the version of qemu" },
1326     { "network", "", do_info_network,
1327       "", "show the network state" },
1328     { "block", "", do_info_block,
1329       "", "show the block devices" },
1330     { "registers", "", do_info_registers,
1331       "", "show the cpu registers" },
1332     { "cpus", "", do_info_cpus,
1333       "", "show infos for each CPU" },
1334     { "history", "", do_info_history,
1335       "", "show the command line history", },
1336     { "irq", "", irq_info,
1337       "", "show the interrupts statistics (if available)", },
1338     { "pic", "", pic_info,
1339       "", "show i8259 (PIC) state", },
1340     { "pci", "", pci_info,
1341       "", "show PCI info", },
1342 #if defined(TARGET_I386)
1343     { "tlb", "", tlb_info,
1344       "", "show virtual to physical memory mappings", },
1345     { "mem", "", mem_info,
1346       "", "show the active virtual memory mappings", },
1347 #endif
1348     { "jit", "", do_info_jit,
1349       "", "show dynamic compiler info", },
1350     { "kqemu", "", do_info_kqemu,
1351       "", "show kqemu information", },
1352     { "usb", "", usb_info,
1353       "", "show guest USB devices", },
1354     { "usbhost", "", usb_host_info,
1355       "", "show host USB devices", },
1356     { "profile", "", do_info_profile,
1357       "", "show profiling information", },
1358     { "capture", "", do_info_capture,
1359       "", "show capture information" },
1360     { "snapshots", "", do_info_snapshots,
1361       "", "show the currently saved VM snapshots" },
1362     { "mice", "", do_info_mice,
1363       "", "show which guest mouse is receiving events" },
1364     { "vnc", "", do_info_vnc,
1365       "", "show the vnc server status"},
1366     { "migration", "", do_info_migration,
1367       "", "show migration information" },
1368     { NULL, NULL, },
1369 };
1370
1371 /*******************************************************************/
1372
1373 static const char *pch;
1374 static jmp_buf expr_env;
1375
1376 #define MD_TLONG 0
1377 #define MD_I32   1
1378
1379 typedef struct MonitorDef {
1380     const char *name;
1381     int offset;
1382     target_long (*get_value)(struct MonitorDef *md, int val);
1383     int type;
1384 } MonitorDef;
1385
1386 #if defined(TARGET_I386)
1387 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1388 {
1389     CPUState *env = mon_get_cpu();
1390     if (!env)
1391         return 0;
1392     return env->eip + env->segs[R_CS].base;
1393 }
1394 #endif
1395
1396 #if defined(TARGET_PPC)
1397 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1398 {
1399     CPUState *env = mon_get_cpu();
1400     unsigned int u;
1401     int i;
1402
1403     if (!env)
1404         return 0;
1405
1406     u = 0;
1407     for (i = 0; i < 8; i++)
1408         u |= env->crf[i] << (32 - (4 * i));
1409
1410     return u;
1411 }
1412
1413 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1414 {
1415     CPUState *env = mon_get_cpu();
1416     if (!env)
1417         return 0;
1418     return (env->msr[MSR_POW] << MSR_POW) |
1419         (env->msr[MSR_ILE] << MSR_ILE) |
1420         (env->msr[MSR_EE] << MSR_EE) |
1421         (env->msr[MSR_PR] << MSR_PR) |
1422         (env->msr[MSR_FP] << MSR_FP) |
1423         (env->msr[MSR_ME] << MSR_ME) |
1424         (env->msr[MSR_FE0] << MSR_FE0) |
1425         (env->msr[MSR_SE] << MSR_SE) |
1426         (env->msr[MSR_BE] << MSR_BE) |
1427         (env->msr[MSR_FE1] << MSR_FE1) |
1428         (env->msr[MSR_IP] << MSR_IP) |
1429         (env->msr[MSR_IR] << MSR_IR) |
1430         (env->msr[MSR_DR] << MSR_DR) |
1431         (env->msr[MSR_RI] << MSR_RI) |
1432         (env->msr[MSR_LE] << MSR_LE);
1433 }
1434
1435 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1436 {
1437     CPUState *env = mon_get_cpu();
1438     if (!env)
1439         return 0;
1440     return (env->xer[XER_SO] << XER_SO) |
1441         (env->xer[XER_OV] << XER_OV) |
1442         (env->xer[XER_CA] << XER_CA) |
1443         (env->xer[XER_BC] << XER_BC);
1444 }
1445
1446 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1447 {
1448     CPUState *env = mon_get_cpu();
1449     if (!env)
1450         return 0;
1451     return cpu_ppc_load_decr(env);
1452 }
1453
1454 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1455 {
1456     CPUState *env = mon_get_cpu();
1457     if (!env)
1458         return 0;
1459     return cpu_ppc_load_tbu(env);
1460 }
1461
1462 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1463 {
1464     CPUState *env = mon_get_cpu();
1465     if (!env)
1466         return 0;
1467     return cpu_ppc_load_tbl(env);
1468 }
1469 #endif
1470
1471 #if defined(TARGET_SPARC)
1472 #ifndef TARGET_SPARC64
1473 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1474 {
1475     CPUState *env = mon_get_cpu();
1476     if (!env)
1477         return 0;
1478     return GET_PSR(env);
1479 }
1480 #endif
1481
1482 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1483 {
1484     CPUState *env = mon_get_cpu();
1485     if (!env)
1486         return 0;
1487     return env->regwptr[val];
1488 }
1489 #endif
1490
1491 static MonitorDef monitor_defs[] = {
1492 #ifdef TARGET_I386
1493
1494 #define SEG(name, seg) \
1495     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1496     { name ".base", offsetof(CPUState, segs[seg].base) },\
1497     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1498
1499     { "eax", offsetof(CPUState, regs[0]) },
1500     { "ecx", offsetof(CPUState, regs[1]) },
1501     { "edx", offsetof(CPUState, regs[2]) },
1502     { "ebx", offsetof(CPUState, regs[3]) },
1503     { "esp|sp", offsetof(CPUState, regs[4]) },
1504     { "ebp|fp", offsetof(CPUState, regs[5]) },
1505     { "esi", offsetof(CPUState, regs[6]) },
1506     { "edi", offsetof(CPUState, regs[7]) },
1507 #ifdef TARGET_X86_64
1508     { "r8", offsetof(CPUState, regs[8]) },
1509     { "r9", offsetof(CPUState, regs[9]) },
1510     { "r10", offsetof(CPUState, regs[10]) },
1511     { "r11", offsetof(CPUState, regs[11]) },
1512     { "r12", offsetof(CPUState, regs[12]) },
1513     { "r13", offsetof(CPUState, regs[13]) },
1514     { "r14", offsetof(CPUState, regs[14]) },
1515     { "r15", offsetof(CPUState, regs[15]) },
1516 #endif
1517     { "eflags", offsetof(CPUState, eflags) },
1518     { "eip", offsetof(CPUState, eip) },
1519     SEG("cs", R_CS)
1520     SEG("ds", R_DS)
1521     SEG("es", R_ES)
1522     SEG("ss", R_SS)
1523     SEG("fs", R_FS)
1524     SEG("gs", R_GS)
1525     { "pc", 0, monitor_get_pc, },
1526 #elif defined(TARGET_PPC)
1527     { "r0", offsetof(CPUState, gpr[0]) },
1528     { "r1", offsetof(CPUState, gpr[1]) },
1529     { "r2", offsetof(CPUState, gpr[2]) },
1530     { "r3", offsetof(CPUState, gpr[3]) },
1531     { "r4", offsetof(CPUState, gpr[4]) },
1532     { "r5", offsetof(CPUState, gpr[5]) },
1533     { "r6", offsetof(CPUState, gpr[6]) },
1534     { "r7", offsetof(CPUState, gpr[7]) },
1535     { "r8", offsetof(CPUState, gpr[8]) },
1536     { "r9", offsetof(CPUState, gpr[9]) },
1537     { "r10", offsetof(CPUState, gpr[10]) },
1538     { "r11", offsetof(CPUState, gpr[11]) },
1539     { "r12", offsetof(CPUState, gpr[12]) },
1540     { "r13", offsetof(CPUState, gpr[13]) },
1541     { "r14", offsetof(CPUState, gpr[14]) },
1542     { "r15", offsetof(CPUState, gpr[15]) },
1543     { "r16", offsetof(CPUState, gpr[16]) },
1544     { "r17", offsetof(CPUState, gpr[17]) },
1545     { "r18", offsetof(CPUState, gpr[18]) },
1546     { "r19", offsetof(CPUState, gpr[19]) },
1547     { "r20", offsetof(CPUState, gpr[20]) },
1548     { "r21", offsetof(CPUState, gpr[21]) },
1549     { "r22", offsetof(CPUState, gpr[22]) },
1550     { "r23", offsetof(CPUState, gpr[23]) },
1551     { "r24", offsetof(CPUState, gpr[24]) },
1552     { "r25", offsetof(CPUState, gpr[25]) },
1553     { "r26", offsetof(CPUState, gpr[26]) },
1554     { "r27", offsetof(CPUState, gpr[27]) },
1555     { "r28", offsetof(CPUState, gpr[28]) },
1556     { "r29", offsetof(CPUState, gpr[29]) },
1557     { "r30", offsetof(CPUState, gpr[30]) },
1558     { "r31", offsetof(CPUState, gpr[31]) },
1559     { "nip|pc", offsetof(CPUState, nip) },
1560     { "lr", offsetof(CPUState, lr) },
1561     { "ctr", offsetof(CPUState, ctr) },
1562     { "decr", 0, &monitor_get_decr, },
1563     { "ccr", 0, &monitor_get_ccr, },
1564     { "msr", 0, &monitor_get_msr, },
1565     { "xer", 0, &monitor_get_xer, },
1566     { "tbu", 0, &monitor_get_tbu, },
1567     { "tbl", 0, &monitor_get_tbl, },
1568     { "sdr1", offsetof(CPUState, sdr1) },
1569     { "sr0", offsetof(CPUState, sr[0]) },
1570     { "sr1", offsetof(CPUState, sr[1]) },
1571     { "sr2", offsetof(CPUState, sr[2]) },
1572     { "sr3", offsetof(CPUState, sr[3]) },
1573     { "sr4", offsetof(CPUState, sr[4]) },
1574     { "sr5", offsetof(CPUState, sr[5]) },
1575     { "sr6", offsetof(CPUState, sr[6]) },
1576     { "sr7", offsetof(CPUState, sr[7]) },
1577     { "sr8", offsetof(CPUState, sr[8]) },
1578     { "sr9", offsetof(CPUState, sr[9]) },
1579     { "sr10", offsetof(CPUState, sr[10]) },
1580     { "sr11", offsetof(CPUState, sr[11]) },
1581     { "sr12", offsetof(CPUState, sr[12]) },
1582     { "sr13", offsetof(CPUState, sr[13]) },
1583     { "sr14", offsetof(CPUState, sr[14]) },
1584     { "sr15", offsetof(CPUState, sr[15]) },
1585     /* Too lazy to put BATs and SPRs ... */
1586 #elif defined(TARGET_SPARC)
1587     { "g0", offsetof(CPUState, gregs[0]) },
1588     { "g1", offsetof(CPUState, gregs[1]) },
1589     { "g2", offsetof(CPUState, gregs[2]) },
1590     { "g3", offsetof(CPUState, gregs[3]) },
1591     { "g4", offsetof(CPUState, gregs[4]) },
1592     { "g5", offsetof(CPUState, gregs[5]) },
1593     { "g6", offsetof(CPUState, gregs[6]) },
1594     { "g7", offsetof(CPUState, gregs[7]) },
1595     { "o0", 0, monitor_get_reg },
1596     { "o1", 1, monitor_get_reg },
1597     { "o2", 2, monitor_get_reg },
1598     { "o3", 3, monitor_get_reg },
1599     { "o4", 4, monitor_get_reg },
1600     { "o5", 5, monitor_get_reg },
1601     { "o6", 6, monitor_get_reg },
1602     { "o7", 7, monitor_get_reg },
1603     { "l0", 8, monitor_get_reg },
1604     { "l1", 9, monitor_get_reg },
1605     { "l2", 10, monitor_get_reg },
1606     { "l3", 11, monitor_get_reg },
1607     { "l4", 12, monitor_get_reg },
1608     { "l5", 13, monitor_get_reg },
1609     { "l6", 14, monitor_get_reg },
1610     { "l7", 15, monitor_get_reg },
1611     { "i0", 16, monitor_get_reg },
1612     { "i1", 17, monitor_get_reg },
1613     { "i2", 18, monitor_get_reg },
1614     { "i3", 19, monitor_get_reg },
1615     { "i4", 20, monitor_get_reg },
1616     { "i5", 21, monitor_get_reg },
1617     { "i6", 22, monitor_get_reg },
1618     { "i7", 23, monitor_get_reg },
1619     { "pc", offsetof(CPUState, pc) },
1620     { "npc", offsetof(CPUState, npc) },
1621     { "y", offsetof(CPUState, y) },
1622 #ifndef TARGET_SPARC64
1623     { "psr", 0, &monitor_get_psr, },
1624     { "wim", offsetof(CPUState, wim) },
1625 #endif
1626     { "tbr", offsetof(CPUState, tbr) },
1627     { "fsr", offsetof(CPUState, fsr) },
1628     { "f0", offsetof(CPUState, fpr[0]) },
1629     { "f1", offsetof(CPUState, fpr[1]) },
1630     { "f2", offsetof(CPUState, fpr[2]) },
1631     { "f3", offsetof(CPUState, fpr[3]) },
1632     { "f4", offsetof(CPUState, fpr[4]) },
1633     { "f5", offsetof(CPUState, fpr[5]) },
1634     { "f6", offsetof(CPUState, fpr[6]) },
1635     { "f7", offsetof(CPUState, fpr[7]) },
1636     { "f8", offsetof(CPUState, fpr[8]) },
1637     { "f9", offsetof(CPUState, fpr[9]) },
1638     { "f10", offsetof(CPUState, fpr[10]) },
1639     { "f11", offsetof(CPUState, fpr[11]) },
1640     { "f12", offsetof(CPUState, fpr[12]) },
1641     { "f13", offsetof(CPUState, fpr[13]) },
1642     { "f14", offsetof(CPUState, fpr[14]) },
1643     { "f15", offsetof(CPUState, fpr[15]) },
1644     { "f16", offsetof(CPUState, fpr[16]) },
1645     { "f17", offsetof(CPUState, fpr[17]) },
1646     { "f18", offsetof(CPUState, fpr[18]) },
1647     { "f19", offsetof(CPUState, fpr[19]) },
1648     { "f20", offsetof(CPUState, fpr[20]) },
1649     { "f21", offsetof(CPUState, fpr[21]) },
1650     { "f22", offsetof(CPUState, fpr[22]) },
1651     { "f23", offsetof(CPUState, fpr[23]) },
1652     { "f24", offsetof(CPUState, fpr[24]) },
1653     { "f25", offsetof(CPUState, fpr[25]) },
1654     { "f26", offsetof(CPUState, fpr[26]) },
1655     { "f27", offsetof(CPUState, fpr[27]) },
1656     { "f28", offsetof(CPUState, fpr[28]) },
1657     { "f29", offsetof(CPUState, fpr[29]) },
1658     { "f30", offsetof(CPUState, fpr[30]) },
1659     { "f31", offsetof(CPUState, fpr[31]) },
1660 #ifdef TARGET_SPARC64
1661     { "f32", offsetof(CPUState, fpr[32]) },
1662     { "f34", offsetof(CPUState, fpr[34]) },
1663     { "f36", offsetof(CPUState, fpr[36]) },
1664     { "f38", offsetof(CPUState, fpr[38]) },
1665     { "f40", offsetof(CPUState, fpr[40]) },
1666     { "f42", offsetof(CPUState, fpr[42]) },
1667     { "f44", offsetof(CPUState, fpr[44]) },
1668     { "f46", offsetof(CPUState, fpr[46]) },
1669     { "f48", offsetof(CPUState, fpr[48]) },
1670     { "f50", offsetof(CPUState, fpr[50]) },
1671     { "f52", offsetof(CPUState, fpr[52]) },
1672     { "f54", offsetof(CPUState, fpr[54]) },
1673     { "f56", offsetof(CPUState, fpr[56]) },
1674     { "f58", offsetof(CPUState, fpr[58]) },
1675     { "f60", offsetof(CPUState, fpr[60]) },
1676     { "f62", offsetof(CPUState, fpr[62]) },
1677     { "asi", offsetof(CPUState, asi) },
1678     { "pstate", offsetof(CPUState, pstate) },
1679     { "cansave", offsetof(CPUState, cansave) },
1680     { "canrestore", offsetof(CPUState, canrestore) },
1681     { "otherwin", offsetof(CPUState, otherwin) },
1682     { "wstate", offsetof(CPUState, wstate) },
1683     { "cleanwin", offsetof(CPUState, cleanwin) },
1684     { "fprs", offsetof(CPUState, fprs) },
1685 #endif
1686 #endif
1687     { NULL },
1688 };
1689
1690 static void expr_error(const char *fmt)
1691 {
1692     term_printf(fmt);
1693     term_printf("\n");
1694     longjmp(expr_env, 1);
1695 }
1696
1697 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1698 static int get_monitor_def(target_long *pval, const char *name)
1699 {
1700     MonitorDef *md;
1701     void *ptr;
1702
1703     for(md = monitor_defs; md->name != NULL; md++) {
1704         if (compare_cmd(name, md->name)) {
1705             if (md->get_value) {
1706                 *pval = md->get_value(md, md->offset);
1707             } else {
1708                 CPUState *env = mon_get_cpu();
1709                 if (!env)
1710                     return -2;
1711                 ptr = (uint8_t *)env + md->offset;
1712                 switch(md->type) {
1713                 case MD_I32:
1714                     *pval = *(int32_t *)ptr;
1715                     break;
1716                 case MD_TLONG:
1717                     *pval = *(target_long *)ptr;
1718                     break;
1719                 default:
1720                     *pval = 0;
1721                     break;
1722                 }
1723             }
1724             return 0;
1725         }
1726     }
1727     return -1;
1728 }
1729
1730 static void next(void)
1731 {
1732     if (pch != '\0') {
1733         pch++;
1734         while (isspace(*pch))
1735             pch++;
1736     }
1737 }
1738
1739 static target_long expr_sum(void);
1740
1741 static target_long expr_unary(void)
1742 {
1743     target_long n;
1744     char *p;
1745     int ret;
1746
1747     switch(*pch) {
1748     case '+':
1749         next();
1750         n = expr_unary();
1751         break;
1752     case '-':
1753         next();
1754         n = -expr_unary();
1755         break;
1756     case '~':
1757         next();
1758         n = ~expr_unary();
1759         break;
1760     case '(':
1761         next();
1762         n = expr_sum();
1763         if (*pch != ')') {
1764             expr_error("')' expected");
1765         }
1766         next();
1767         break;
1768     case '\'':
1769         pch++;
1770         if (*pch == '\0')
1771             expr_error("character constant expected");
1772         n = *pch;
1773         pch++;
1774         if (*pch != '\'')
1775             expr_error("missing terminating \' character");
1776         next();
1777         break;
1778     case '$':
1779         {
1780             char buf[128], *q;
1781
1782             pch++;
1783             q = buf;
1784             while ((*pch >= 'a' && *pch <= 'z') ||
1785                    (*pch >= 'A' && *pch <= 'Z') ||
1786                    (*pch >= '0' && *pch <= '9') ||
1787                    *pch == '_' || *pch == '.') {
1788                 if ((q - buf) < sizeof(buf) - 1)
1789                     *q++ = *pch;
1790                 pch++;
1791             }
1792             while (isspace(*pch))
1793                 pch++;
1794             *q = 0;
1795             ret = get_monitor_def(&n, buf);
1796             if (ret == -1)
1797                 expr_error("unknown register");
1798             else if (ret == -2)
1799                 expr_error("no cpu defined");
1800         }
1801         break;
1802     case '\0':
1803         expr_error("unexpected end of expression");
1804         n = 0;
1805         break;
1806     default:
1807 #if TARGET_LONG_BITS == 64
1808         n = strtoull(pch, &p, 0);
1809 #else
1810         n = strtoul(pch, &p, 0);
1811 #endif
1812         if (pch == p) {
1813             expr_error("invalid char in expression");
1814         }
1815         pch = p;
1816         while (isspace(*pch))
1817             pch++;
1818         break;
1819     }
1820     return n;
1821 }
1822
1823
1824 static target_long expr_prod(void)
1825 {
1826     target_long val, val2;
1827     int op;
1828
1829     val = expr_unary();
1830     for(;;) {
1831         op = *pch;
1832         if (op != '*' && op != '/' && op != '%')
1833             break;
1834         next();
1835         val2 = expr_unary();
1836         switch(op) {
1837         default:
1838         case '*':
1839             val *= val2;
1840             break;
1841         case '/':
1842         case '%':
1843             if (val2 == 0)
1844                 expr_error("division by zero");
1845             if (op == '/')
1846                 val /= val2;
1847             else
1848                 val %= val2;
1849             break;
1850         }
1851     }
1852     return val;
1853 }
1854
1855 static target_long expr_logic(void)
1856 {
1857     target_long val, val2;
1858     int op;
1859
1860     val = expr_prod();
1861     for(;;) {
1862         op = *pch;
1863         if (op != '&' && op != '|' && op != '^')
1864             break;
1865         next();
1866         val2 = expr_prod();
1867         switch(op) {
1868         default:
1869         case '&':
1870             val &= val2;
1871             break;
1872         case '|':
1873             val |= val2;
1874             break;
1875         case '^':
1876             val ^= val2;
1877             break;
1878         }
1879     }
1880     return val;
1881 }
1882
1883 static target_long expr_sum(void)
1884 {
1885     target_long val, val2;
1886     int op;
1887
1888     val = expr_logic();
1889     for(;;) {
1890         op = *pch;
1891         if (op != '+' && op != '-')
1892             break;
1893         next();
1894         val2 = expr_logic();
1895         if (op == '+')
1896             val += val2;
1897         else
1898             val -= val2;
1899     }
1900     return val;
1901 }
1902
1903 static int get_expr(target_long *pval, const char **pp)
1904 {
1905     pch = *pp;
1906     if (setjmp(expr_env)) {
1907         *pp = pch;
1908         return -1;
1909     }
1910     while (isspace(*pch))
1911         pch++;
1912     *pval = expr_sum();
1913     *pp = pch;
1914     return 0;
1915 }
1916
1917 static int get_str(char *buf, int buf_size, const char **pp)
1918 {
1919     const char *p;
1920     char *q;
1921     int c;
1922
1923     q = buf;
1924     p = *pp;
1925     while (isspace(*p))
1926         p++;
1927     if (*p == '\0') {
1928     fail:
1929         *q = '\0';
1930         *pp = p;
1931         return -1;
1932     }
1933     if (*p == '\"') {
1934         p++;
1935         while (*p != '\0' && *p != '\"') {
1936             if (*p == '\\') {
1937                 p++;
1938                 c = *p++;
1939                 switch(c) {
1940                 case 'n':
1941                     c = '\n';
1942                     break;
1943                 case 'r':
1944                     c = '\r';
1945                     break;
1946                 case '\\':
1947                 case '\'':
1948                 case '\"':
1949                     break;
1950                 default:
1951                     qemu_printf("unsupported escape code: '\\%c'\n", c);
1952                     goto fail;
1953                 }
1954                 if ((q - buf) < buf_size - 1) {
1955                     *q++ = c;
1956                 }
1957             } else {
1958                 if ((q - buf) < buf_size - 1) {
1959                     *q++ = *p;
1960                 }
1961                 p++;
1962             }
1963         }
1964         if (*p != '\"') {
1965             qemu_printf("unterminated string\n");
1966             goto fail;
1967         }
1968         p++;
1969     } else {
1970         while (*p != '\0' && !isspace(*p)) {
1971             if ((q - buf) < buf_size - 1) {
1972                 *q++ = *p;
1973             }
1974             p++;
1975         }
1976     }
1977     *q = '\0';
1978     *pp = p;
1979     return 0;
1980 }
1981
1982 static int default_fmt_format = 'x';
1983 static int default_fmt_size = 4;
1984
1985 #define MAX_ARGS 16
1986
1987 static void monitor_handle_command(const char *cmdline)
1988 {
1989     const char *p, *pstart, *typestr;
1990     char *q;
1991     int c, nb_args, len, i, has_arg;
1992     term_cmd_t *cmd;
1993     char cmdname[256];
1994     char buf[1024];
1995     void *str_allocated[MAX_ARGS];
1996     void *args[MAX_ARGS];
1997
1998 #ifdef DEBUG
1999     term_printf("command='%s'\n", cmdline);
2000 #endif
2001
2002     /* extract the command name */
2003     p = cmdline;
2004     q = cmdname;
2005     while (isspace(*p))
2006         p++;
2007     if (*p == '\0')
2008         return;
2009     pstart = p;
2010     while (*p != '\0' && *p != '/' && !isspace(*p))
2011         p++;
2012     len = p - pstart;
2013     if (len > sizeof(cmdname) - 1)
2014         len = sizeof(cmdname) - 1;
2015     memcpy(cmdname, pstart, len);
2016     cmdname[len] = '\0';
2017
2018     /* find the command */
2019     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2020         if (compare_cmd(cmdname, cmd->name))
2021             goto found;
2022     }
2023     term_printf("unknown command: '%s'\n", cmdname);
2024     return;
2025  found:
2026
2027     for(i = 0; i < MAX_ARGS; i++)
2028         str_allocated[i] = NULL;
2029
2030     /* parse the parameters */
2031     typestr = cmd->args_type;
2032     nb_args = 0;
2033     for(;;) {
2034         c = *typestr;
2035         if (c == '\0')
2036             break;
2037         typestr++;
2038         switch(c) {
2039         case 'F':
2040         case 'B':
2041         case 's':
2042             {
2043                 int ret;
2044                 char *str;
2045
2046                 while (isspace(*p))
2047                     p++;
2048                 if (*typestr == '?') {
2049                     typestr++;
2050                     if (*p == '\0') {
2051                         /* no optional string: NULL argument */
2052                         str = NULL;
2053                         goto add_str;
2054                     }
2055                 }
2056                 ret = get_str(buf, sizeof(buf), &p);
2057                 if (ret < 0) {
2058                     switch(c) {
2059                     case 'F':
2060                         term_printf("%s: filename expected\n", cmdname);
2061                         break;
2062                     case 'B':
2063                         term_printf("%s: block device name expected\n", cmdname);
2064                         break;
2065                     default:
2066                         term_printf("%s: string expected\n", cmdname);
2067                         break;
2068                     }
2069                     goto fail;
2070                 }
2071                 str = qemu_malloc(strlen(buf) + 1);
2072                 strcpy(str, buf);
2073                 str_allocated[nb_args] = str;
2074             add_str:
2075                 if (nb_args >= MAX_ARGS) {
2076                 error_args:
2077                     term_printf("%s: too many arguments\n", cmdname);
2078                     goto fail;
2079                 }
2080                 args[nb_args++] = str;
2081             }
2082             break;
2083         case '/':
2084             {
2085                 int count, format, size;
2086
2087                 while (isspace(*p))
2088                     p++;
2089                 if (*p == '/') {
2090                     /* format found */
2091                     p++;
2092                     count = 1;
2093                     if (isdigit(*p)) {
2094                         count = 0;
2095                         while (isdigit(*p)) {
2096                             count = count * 10 + (*p - '0');
2097                             p++;
2098                         }
2099                     }
2100                     size = -1;
2101                     format = -1;
2102                     for(;;) {
2103                         switch(*p) {
2104                         case 'o':
2105                         case 'd':
2106                         case 'u':
2107                         case 'x':
2108                         case 'i':
2109                         case 'c':
2110                             format = *p++;
2111                             break;
2112                         case 'b':
2113                             size = 1;
2114                             p++;
2115                             break;
2116                         case 'h':
2117                             size = 2;
2118                             p++;
2119                             break;
2120                         case 'w':
2121                             size = 4;
2122                             p++;
2123                             break;
2124                         case 'g':
2125                         case 'L':
2126                             size = 8;
2127                             p++;
2128                             break;
2129                         default:
2130                             goto next;
2131                         }
2132                     }
2133                 next:
2134                     if (*p != '\0' && !isspace(*p)) {
2135                         term_printf("invalid char in format: '%c'\n", *p);
2136                         goto fail;
2137                     }
2138                     if (format < 0)
2139                         format = default_fmt_format;
2140                     if (format != 'i') {
2141                         /* for 'i', not specifying a size gives -1 as size */
2142                         if (size < 0)
2143                             size = default_fmt_size;
2144                     }
2145                     default_fmt_size = size;
2146                     default_fmt_format = format;
2147                 } else {
2148                     count = 1;
2149                     format = default_fmt_format;
2150                     if (format != 'i') {
2151                         size = default_fmt_size;
2152                     } else {
2153                         size = -1;
2154                     }
2155                 }
2156                 if (nb_args + 3 > MAX_ARGS)
2157                     goto error_args;
2158                 args[nb_args++] = (void*)count;
2159                 args[nb_args++] = (void*)format;
2160                 args[nb_args++] = (void*)size;
2161             }
2162             break;
2163         case 'i':
2164         case 'l':
2165             {
2166                 target_long val;
2167                 while (isspace(*p))
2168                     p++;
2169                 if (*typestr == '?' || *typestr == '.') {
2170                     if (*typestr == '?') {
2171                         if (*p == '\0')
2172                             has_arg = 0;
2173                         else
2174                             has_arg = 1;
2175                     } else {
2176                         if (*p == '.') {
2177                             p++;
2178                             while (isspace(*p))
2179                                 p++;
2180                             has_arg = 1;
2181                         } else {
2182                             has_arg = 0;
2183                         }
2184                     }
2185                     typestr++;
2186                     if (nb_args >= MAX_ARGS)
2187                         goto error_args;
2188                     args[nb_args++] = (void *)has_arg;
2189                     if (!has_arg) {
2190                         if (nb_args >= MAX_ARGS)
2191                             goto error_args;
2192                         val = -1;
2193                         goto add_num;
2194                     }
2195                 }
2196                 if (get_expr(&val, &p))
2197                     goto fail;
2198             add_num:
2199                 if (c == 'i') {
2200                     if (nb_args >= MAX_ARGS)
2201                         goto error_args;
2202                     args[nb_args++] = (void *)(int)val;
2203                 } else {
2204                     if ((nb_args + 1) >= MAX_ARGS)
2205                         goto error_args;
2206 #if TARGET_LONG_BITS == 64
2207                     args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
2208 #else
2209                     args[nb_args++] = (void *)0;
2210 #endif
2211                     args[nb_args++] = (void *)(int)(val & 0xffffffff);
2212                 }
2213             }
2214             break;
2215         case '-':
2216             {
2217                 int has_option;
2218                 /* option */
2219
2220                 c = *typestr++;
2221                 if (c == '\0')
2222                     goto bad_type;
2223                 while (isspace(*p))
2224                     p++;
2225                 has_option = 0;
2226                 if (*p == '-') {
2227                     p++;
2228                     if (*p != c) {
2229                         term_printf("%s: unsupported option -%c\n",
2230                                     cmdname, *p);
2231                         goto fail;
2232                     }
2233                     p++;
2234                     has_option = 1;
2235                 }
2236                 if (nb_args >= MAX_ARGS)
2237                     goto error_args;
2238                 args[nb_args++] = (void *)has_option;
2239             }
2240             break;
2241         default:
2242         bad_type:
2243             term_printf("%s: unknown type '%c'\n", cmdname, c);
2244             goto fail;
2245         }
2246     }
2247     /* check that all arguments were parsed */
2248     while (isspace(*p))
2249         p++;
2250     if (*p != '\0') {
2251         term_printf("%s: extraneous characters at the end of line\n",
2252                     cmdname);
2253         goto fail;
2254     }
2255
2256 #ifdef USE_KVM
2257     if(1)
2258     {
2259         CPUState *env=mon_get_cpu();
2260         if (kvm_allowed)
2261             kvm_save_registers(env);
2262     }
2263 #endif
2264
2265     switch(nb_args) {
2266     case 0:
2267         cmd->handler();
2268         break;
2269     case 1:
2270         cmd->handler(args[0]);
2271         break;
2272     case 2:
2273         cmd->handler(args[0], args[1]);
2274         break;
2275     case 3:
2276         cmd->handler(args[0], args[1], args[2]);
2277         break;
2278     case 4:
2279         cmd->handler(args[0], args[1], args[2], args[3]);
2280         break;
2281     case 5:
2282         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2283         break;
2284     case 6:
2285         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2286         break;
2287     case 7:
2288         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2289         break;
2290     default:
2291         term_printf("unsupported number of arguments: %d\n", nb_args);
2292         goto fail;
2293     }
2294  fail:
2295     for(i = 0; i < MAX_ARGS; i++)
2296         qemu_free(str_allocated[i]);
2297     return;
2298 }
2299
2300 static void cmd_completion(const char *name, const char *list)
2301 {
2302     const char *p, *pstart;
2303     char cmd[128];
2304     int len;
2305
2306     p = list;
2307     for(;;) {
2308         pstart = p;
2309         p = strchr(p, '|');
2310         if (!p)
2311             p = pstart + strlen(pstart);
2312         len = p - pstart;
2313         if (len > sizeof(cmd) - 2)
2314             len = sizeof(cmd) - 2;
2315         memcpy(cmd, pstart, len);
2316         cmd[len] = '\0';
2317         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2318             add_completion(cmd);
2319         }
2320         if (*p == '\0')
2321             break;
2322         p++;
2323     }
2324 }
2325
2326 static void file_completion(const char *input)
2327 {
2328     DIR *ffs;
2329     struct dirent *d;
2330     char path[1024];
2331     char file[1024], file_prefix[1024];
2332     int input_path_len;
2333     const char *p;
2334
2335     p = strrchr(input, '/');
2336     if (!p) {
2337         input_path_len = 0;
2338         pstrcpy(file_prefix, sizeof(file_prefix), input);
2339         strcpy(path, ".");
2340     } else {
2341         input_path_len = p - input + 1;
2342         memcpy(path, input, input_path_len);
2343         if (input_path_len > sizeof(path) - 1)
2344             input_path_len = sizeof(path) - 1;
2345         path[input_path_len] = '\0';
2346         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2347     }
2348 #ifdef DEBUG_COMPLETION
2349     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2350 #endif
2351     ffs = opendir(path);
2352     if (!ffs)
2353         return;
2354     for(;;) {
2355         struct stat sb;
2356         d = readdir(ffs);
2357         if (!d)
2358             break;
2359         if (strstart(d->d_name, file_prefix, NULL)) {
2360             memcpy(file, input, input_path_len);
2361             strcpy(file + input_path_len, d->d_name);
2362             /* stat the file to find out if it's a directory.
2363              * In that case add a slash to speed up typing long paths
2364              */
2365             stat(file, &sb);
2366             if(S_ISDIR(sb.st_mode))
2367                 strcat(file, "/");
2368             add_completion(file);
2369         }
2370     }
2371     closedir(ffs);
2372 }
2373
2374 static void block_completion_it(void *opaque, const char *name)
2375 {
2376     const char *input = opaque;
2377
2378     if (input[0] == '\0' ||
2379         !strncmp(name, (char *)input, strlen(input))) {
2380         add_completion(name);
2381     }
2382 }
2383
2384 /* NOTE: this parser is an approximate form of the real command parser */
2385 static void parse_cmdline(const char *cmdline,
2386                          int *pnb_args, char **args)
2387 {
2388     const char *p;
2389     int nb_args, ret;
2390     char buf[1024];
2391
2392     p = cmdline;
2393     nb_args = 0;
2394     for(;;) {
2395         while (isspace(*p))
2396             p++;
2397         if (*p == '\0')
2398             break;
2399         if (nb_args >= MAX_ARGS)
2400             break;
2401         ret = get_str(buf, sizeof(buf), &p);
2402         args[nb_args] = qemu_strdup(buf);
2403         nb_args++;
2404         if (ret < 0)
2405             break;
2406     }
2407     *pnb_args = nb_args;
2408 }
2409
2410 void readline_find_completion(const char *cmdline)
2411 {
2412     const char *cmdname;
2413     char *args[MAX_ARGS];
2414     int nb_args, i, len;
2415     const char *ptype, *str;
2416     term_cmd_t *cmd;
2417     const KeyDef *key;
2418
2419     parse_cmdline(cmdline, &nb_args, args);
2420 #ifdef DEBUG_COMPLETION
2421     for(i = 0; i < nb_args; i++) {
2422         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2423     }
2424 #endif
2425
2426     /* if the line ends with a space, it means we want to complete the
2427        next arg */
2428     len = strlen(cmdline);
2429     if (len > 0 && isspace(cmdline[len - 1])) {
2430         if (nb_args >= MAX_ARGS)
2431             return;
2432         args[nb_args++] = qemu_strdup("");
2433     }
2434     if (nb_args <= 1) {
2435         /* command completion */
2436         if (nb_args == 0)
2437             cmdname = "";
2438         else
2439             cmdname = args[0];
2440         completion_index = strlen(cmdname);
2441         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2442             cmd_completion(cmdname, cmd->name);
2443         }
2444     } else {
2445         /* find the command */
2446         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2447             if (compare_cmd(args[0], cmd->name))
2448                 goto found;
2449         }
2450         return;
2451     found:
2452         ptype = cmd->args_type;
2453         for(i = 0; i < nb_args - 2; i++) {
2454             if (*ptype != '\0') {
2455                 ptype++;
2456                 while (*ptype == '?')
2457                     ptype++;
2458             }
2459         }
2460         str = args[nb_args - 1];
2461         switch(*ptype) {
2462         case 'F':
2463             /* file completion */
2464             completion_index = strlen(str);
2465             file_completion(str);
2466             break;
2467         case 'B':
2468             /* block device name completion */
2469             completion_index = strlen(str);
2470             bdrv_iterate(block_completion_it, (void *)str);
2471             break;
2472         case 's':
2473             /* XXX: more generic ? */
2474             if (!strcmp(cmd->name, "info")) {
2475                 completion_index = strlen(str);
2476                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2477                     cmd_completion(str, cmd->name);
2478                 }
2479             } else if (!strcmp(cmd->name, "sendkey")) {
2480                 completion_index = strlen(str);
2481                 for(key = key_defs; key->name != NULL; key++) {
2482                     cmd_completion(str, key->name);
2483                 }
2484             }
2485             break;
2486         default:
2487             break;
2488         }
2489     }
2490     for(i = 0; i < nb_args; i++)
2491         qemu_free(args[i]);
2492 }
2493
2494 static int term_can_read(void *opaque)
2495 {
2496     return 128;
2497 }
2498
2499 static void term_read(void *opaque, const uint8_t *buf, int size)
2500 {
2501     int i;
2502     for(i = 0; i < size; i++)
2503         readline_handle_byte(buf[i]);
2504 }
2505
2506 static int monitor_suspended;
2507
2508 void monitor_suspend(void)
2509 {
2510     monitor_suspended = 1;
2511 }
2512
2513 void monitor_resume(void)
2514 {
2515     monitor_suspended = 0;
2516     monitor_start_input();
2517 }
2518
2519 static void monitor_start_input(void);
2520
2521 static void monitor_handle_command1(void *opaque, const char *cmdline)
2522 {
2523     monitor_handle_command(cmdline);
2524     if (!monitor_suspended)
2525         monitor_start_input();
2526 }
2527
2528 static void monitor_start_input(void)
2529 {
2530     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2531 }
2532
2533 static void term_event(void *opaque, int event)
2534 {
2535     if (event != CHR_EVENT_RESET)
2536         return;
2537
2538     if (!hide_banner)
2539             term_printf("QEMU %s monitor - type 'help' for more information\n",
2540                         QEMU_VERSION);
2541     monitor_start_input();
2542 }
2543
2544 void monitor_init(CharDriverState *hd, int show_banner)
2545 {
2546     monitor_hd = hd;
2547     hide_banner = !show_banner;
2548
2549     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2550 }
2551
2552 /* XXX: use threads ? */
2553 /* modal monitor readline */
2554 static int monitor_readline_started;
2555 static char *monitor_readline_buf;
2556 static int monitor_readline_buf_size;
2557
2558 static void monitor_readline_cb(void *opaque, const char *input)
2559 {
2560     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2561     monitor_readline_started = 0;
2562 }
2563
2564 void monitor_readline(const char *prompt, int is_password,
2565                       char *buf, int buf_size)
2566 {
2567     if (is_password) {
2568         qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
2569     }
2570     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2571     monitor_readline_buf = buf;
2572     monitor_readline_buf_size = buf_size;
2573     monitor_readline_started = 1;
2574     while (monitor_readline_started) {
2575         main_loop_wait(10);
2576     }
2577 }