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