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 "hw/hw.h"
  25 #include "hw/usb.h"
  26 #include "hw/pcmcia.h"
  27 #include "hw/pc.h"
  28 #include "hw/pci.h"
  29 #include "gdbstub.h"
  30 #include "net.h"
  31 #include "qemu-char.h"
  32 #include "sysemu.h"
  33 #include "console.h"
  34 #include "block.h"
  35 #include "audio/audio.h"
  36 #include "disas.h"
  37 #include <dirent.h>
  38 #include "qemu-timer.h"
  39
  40 //#define DEBUG
  41 //#define DEBUG_COMPLETION
  42
  43 #ifndef offsetof
  44 #define offsetof(type, field) ((size_t) &((type *)0)->field)
  45 #endif
  46
  47 /*
  48  * Supported types:
  49  *
  50  * 'F'          filename
  51  * 'B'          block device name
  52  * 's'          string (accept optional quote)
  53  * 'i'          32 bit integer
  54  * 'l'          target long (32 or 64 bit)
  55  * '/'          optional gdb-like print format (like "/10x")
  56  *
  57  * '?'          optional type (for 'F', 's' and 'i')
  58  *
  59  */
  60
  61 typedef struct term_cmd_t {
  62     const char *name;
  63     const char *args_type;
  64     void (*handler)();
  65     const char *params;
  66     const char *help;
  67 } term_cmd_t;
  68
  69 #define MAX_MON 4
  70 static CharDriverState *monitor_hd[MAX_MON];
  71 static int hide_banner;
  72
  73 static term_cmd_t term_cmds[];
  74 static term_cmd_t info_cmds[];
  75
  76 static uint8_t term_outbuf[1024];
  77 static int term_outbuf_index;
  78
  79 static void monitor_start_input(void);
  80
  81 CPUState *mon_cpu = NULL;
  82
  83 void term_flush(void)
  84 {
  85     int i;
  86     if (term_outbuf_index > 0) {
  87         for (i = 0; i < MAX_MON; i++)
  88             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
  89                 qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
  90         term_outbuf_index = 0;
  91     }
  92 }
  93
  94 /* flush at every end of line or if the buffer is full */
  95 void term_puts(const char *str)
  96 {
  97     char c;
  98     for(;;) {
  99         c = *str++;
 100         if (c == '\0')
 101             break;
 102         if (c == '\n')
 103             term_outbuf[term_outbuf_index++] = '\r';
 104         term_outbuf[term_outbuf_index++] = c;
 105         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 106             c == '\n')
 107             term_flush();
 108     }
 109 }
 110
 111 void term_vprintf(const char *fmt, va_list ap)
 112 {
 113     char buf[4096];
 114     vsnprintf(buf, sizeof(buf), fmt, ap);
 115     term_puts(buf);
 116 }
 117
 118 void term_printf(const char *fmt, ...)
 119 {
 120     va_list ap;
 121     va_start(ap, fmt);
 122     term_vprintf(fmt, ap);
 123     va_end(ap);
 124 }
 125
 126 void term_print_filename(const char *filename)
 127 {
 128     int i;
 129
 130     for (i = 0; filename[i]; i++) {
 131         switch (filename[i]) {
 132         case ' ':
 133         case '"':
 134         case '\\':
 135             term_printf("\\%c", filename[i]);
 136             break;
 137         case '\t':
 138             term_printf("\\t");
 139             break;
 140         case '\r':
 141             term_printf("\\r");
 142             break;
 143         case '\n':
 144             term_printf("\\n");
 145             break;
 146         default:
 147             term_printf("%c", filename[i]);
 148             break;
 149         }
 150     }
 151 }
 152
 153 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 154 {
 155     va_list ap;
 156     va_start(ap, fmt);
 157     term_vprintf(fmt, ap);
 158     va_end(ap);
 159     return 0;
 160 }
 161
 162 static int compare_cmd(const char *name, const char *list)
 163 {
 164     const char *p, *pstart;
 165     int len;
 166     len = strlen(name);
 167     p = list;
 168     for(;;) {
 169         pstart = p;
 170         p = strchr(p, '|');
 171         if (!p)
 172             p = pstart + strlen(pstart);
 173         if ((p - pstart) == len && !memcmp(pstart, name, len))
 174             return 1;
 175         if (*p == '\0')
 176             break;
 177         p++;
 178     }
 179     return 0;
 180 }
 181
 182 static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
 183 {
 184     term_cmd_t *cmd;
 185
 186     for(cmd = cmds; cmd->name != NULL; cmd++) {
 187         if (!name || !strcmp(name, cmd->name))
 188             term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
 189     }
 190 }
 191
 192 static void help_cmd(const char *name)
 193 {
 194     if (name && !strcmp(name, "info")) {
 195         help_cmd1(info_cmds, "info ", NULL);
 196     } else {
 197         help_cmd1(term_cmds, "", name);
 198         if (name && !strcmp(name, "log")) {
 199             CPULogItem *item;
 200             term_printf("Log items (comma separated):\n");
 201             term_printf("%-10s %s\n", "none", "remove all logs");
 202             for(item = cpu_log_items; item->mask != 0; item++) {
 203                 term_printf("%-10s %s\n", item->name, item->help);
 204             }
 205         }
 206     }
 207 }
 208
 209 static void do_help(const char *name)
 210 {
 211     help_cmd(name);
 212 }
 213
 214 static void do_commit(const char *device)
 215 {
 216     int i, all_devices;
 217
 218     all_devices = !strcmp(device, "all");
 219     for (i = 0; i < nb_drives; i++) {
 220             if (all_devices ||
 221                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 222                 bdrv_commit(drives_table[i].bdrv);
 223     }
 224 }
 225
 226 static void do_info(const char *item)
 227 {
 228     term_cmd_t *cmd;
 229
 230     if (!item)
 231         goto help;
 232     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 233         if (compare_cmd(item, cmd->name))
 234             goto found;
 235     }
 236  help:
 237     help_cmd("info");
 238     return;
 239  found:
 240     cmd->handler();
 241 }
 242
 243 static void do_info_version(void)
 244 {
 245   term_printf("%s\n", QEMU_VERSION);
 246 }
 247
 248 static void do_info_name(void)
 249 {
 250     if (qemu_name)
 251         term_printf("%s\n", qemu_name);
 252 }
 253
 254 static void do_info_block(void)
 255 {
 256     bdrv_info();
 257 }
 258
 259 static void do_info_blockstats(void)
 260 {
 261     bdrv_info_stats();
 262 }
 263
 264 /* get the current CPU defined by the user */
 265 static int mon_set_cpu(int cpu_index)
 266 {
 267     CPUState *env;
 268
 269     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 270         if (env->cpu_index == cpu_index) {
 271             mon_cpu = env;
 272             return 0;
 273         }
 274     }
 275     return -1;
 276 }
 277
 278 static CPUState *mon_get_cpu(void)
 279 {
 280     if (!mon_cpu) {
 281         mon_set_cpu(0);
 282     }
 283     return mon_cpu;
 284 }
 285
 286 static void do_info_registers(void)
 287 {
 288     CPUState *env;
 289     env = mon_get_cpu();
 290     if (!env)
 291         return;
 292 #ifdef TARGET_I386
 293     cpu_dump_state(env, NULL, monitor_fprintf,
 294                    X86_DUMP_FPU);
 295 #else
 296     cpu_dump_state(env, NULL, monitor_fprintf,
 297                    0);
 298 #endif
 299 }
 300
 301 static void do_info_cpus(void)
 302 {
 303     CPUState *env;
 304
 305     /* just to set the default cpu if not already done */
 306     mon_get_cpu();
 307
 308     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 309         term_printf("%c CPU #%d:",
 310                     (env == mon_cpu) ? '*' : ' ',
 311                     env->cpu_index);
 312 #if defined(TARGET_I386)
 313         term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
 314 #elif defined(TARGET_PPC)
 315         term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
 316 #elif defined(TARGET_SPARC)
 317         term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
 318 #elif defined(TARGET_MIPS)
 319         term_printf(" PC=0x" TARGET_FMT_lx, env->PC[env->current_tc]);
 320 #endif
 321         if (env->halted)
 322             term_printf(" (halted)");
 323         term_printf("\n");
 324     }
 325 }
 326
 327 static void do_cpu_set(int index)
 328 {
 329     if (mon_set_cpu(index) < 0)
 330         term_printf("Invalid CPU index\n");
 331 }
 332
 333 static void do_info_jit(void)
 334 {
 335     dump_exec_info(NULL, monitor_fprintf);
 336 }
 337
 338 static void do_info_history (void)
 339 {
 340     int i;
 341     const char *str;
 342
 343     i = 0;
 344     for(;;) {
 345         str = readline_get_history(i);
 346         if (!str)
 347             break;
 348         term_printf("%d: '%s'\n", i, str);
 349         i++;
 350     }
 351 }
 352
 353 #if defined(TARGET_PPC)
 354 /* XXX: not implemented in other targets */
 355 static void do_info_cpu_stats (void)
 356 {
 357     CPUState *env;
 358
 359     env = mon_get_cpu();
 360     cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
 361 }
 362 #endif
 363
 364 static void do_quit(void)
 365 {
 366     exit(0);
 367 }
 368
 369 static int eject_device(BlockDriverState *bs, int force)
 370 {
 371     if (bdrv_is_inserted(bs)) {
 372         if (!force) {
 373             if (!bdrv_is_removable(bs)) {
 374                 term_printf("device is not removable\n");
 375                 return -1;
 376             }
 377             if (bdrv_is_locked(bs)) {
 378                 term_printf("device is locked\n");
 379                 return -1;
 380             }
 381         }
 382         bdrv_close(bs);
 383     }
 384     return 0;
 385 }
 386
 387 static void do_eject(int force, const char *filename)
 388 {
 389     BlockDriverState *bs;
 390
 391     bs = bdrv_find(filename);
 392     if (!bs) {
 393         term_printf("device not found\n");
 394         return;
 395     }
 396     eject_device(bs, force);
 397 }
 398
 399 static void do_change_block(const char *device, const char *filename, const char *fmt)
 400 {
 401     BlockDriverState *bs;
 402     BlockDriver *drv = NULL;
 403
 404     bs = bdrv_find(device);
 405     if (!bs) {
 406         term_printf("device not found\n");
 407         return;
 408     }
 409     if (fmt) {
 410         drv = bdrv_find_format(fmt);
 411         if (!drv) {
 412             term_printf("invalid format %s\n", fmt);
 413             return;
 414         }
 415     }
 416     if (eject_device(bs, 0) < 0)
 417         return;
 418     bdrv_open2(bs, filename, 0, drv);
 419     qemu_key_check(bs, filename);
 420 }
 421
 422 static void do_change_vnc(const char *target)
 423 {
 424     if (strcmp(target, "passwd") == 0 ||
 425         strcmp(target, "password") == 0) {
 426         char password[9];
 427         monitor_readline("Password: ", 1, password, sizeof(password)-1);
 428         password[sizeof(password)-1] = '\0';
 429         if (vnc_display_password(NULL, password) < 0)
 430             term_printf("could not set VNC server password\n");
 431     } else {
 432         if (vnc_display_open(NULL, target) < 0)
 433             term_printf("could not start VNC server on %s\n", target);
 434     }
 435 }
 436
 437 static void do_change(const char *device, const char *target, const char *fmt)
 438 {
 439     if (strcmp(device, "vnc") == 0) {
 440         do_change_vnc(target);
 441     } else {
 442         do_change_block(device, target, fmt);
 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_logfile(const char *filename)
 452 {
 453     cpu_set_log_filename(filename);
 454 }
 455
 456 static void do_log(const char *items)
 457 {
 458     int mask;
 459
 460     if (!strcmp(items, "none")) {
 461         mask = 0;
 462     } else {
 463         mask = cpu_str_to_log_mask(items);
 464         if (!mask) {
 465             help_cmd("log");
 466             return;
 467         }
 468     }
 469     cpu_set_log(mask);
 470 }
 471
 472 static void do_stop(void)
 473 {
 474     vm_stop(EXCP_INTERRUPT);
 475 }
 476
 477 static void do_cont(void)
 478 {
 479     vm_start();
 480 }
 481
 482 #ifdef CONFIG_GDBSTUB
 483 static void do_gdbserver(const char *port)
 484 {
 485     if (!port)
 486         port = DEFAULT_GDBSTUB_PORT;
 487     if (gdbserver_start(port) < 0) {
 488         qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
 489     } else {
 490         qemu_printf("Waiting gdb connection on port '%s'\n", port);
 491     }
 492 }
 493 #endif
 494
 495 static void term_printc(int c)
 496 {
 497     term_printf("'");
 498     switch(c) {
 499     case '\'':
 500         term_printf("\\'");
 501         break;
 502     case '\\':
 503         term_printf("\\\\");
 504         break;
 505     case '\n':
 506         term_printf("\\n");
 507         break;
 508     case '\r':
 509         term_printf("\\r");
 510         break;
 511     default:
 512         if (c >= 32 && c <= 126) {
 513             term_printf("%c", c);
 514         } else {
 515             term_printf("\\x%02x", c);
 516         }
 517         break;
 518     }
 519     term_printf("'");
 520 }
 521
 522 static void memory_dump(int count, int format, int wsize,
 523                         target_phys_addr_t addr, int is_physical)
 524 {
 525     CPUState *env;
 526     int nb_per_line, l, line_size, i, max_digits, len;
 527     uint8_t buf[16];
 528     uint64_t v;
 529
 530     if (format == 'i') {
 531         int flags;
 532         flags = 0;
 533         env = mon_get_cpu();
 534         if (!env && !is_physical)
 535             return;
 536 #ifdef TARGET_I386
 537         if (wsize == 2) {
 538             flags = 1;
 539         } else if (wsize == 4) {
 540             flags = 0;
 541         } else {
 542             /* as default we use the current CS size */
 543             flags = 0;
 544             if (env) {
 545 #ifdef TARGET_X86_64
 546                 if ((env->efer & MSR_EFER_LMA) &&
 547                     (env->segs[R_CS].flags & DESC_L_MASK))
 548                     flags = 2;
 549                 else
 550 #endif
 551                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 552                     flags = 1;
 553             }
 554         }
 555 #endif
 556         monitor_disas(env, addr, count, is_physical, flags);
 557         return;
 558     }
 559
 560     len = wsize * count;
 561     if (wsize == 1)
 562         line_size = 8;
 563     else
 564         line_size = 16;
 565     nb_per_line = line_size / wsize;
 566     max_digits = 0;
 567
 568     switch(format) {
 569     case 'o':
 570         max_digits = (wsize * 8 + 2) / 3;
 571         break;
 572     default:
 573     case 'x':
 574         max_digits = (wsize * 8) / 4;
 575         break;
 576     case 'u':
 577     case 'd':
 578         max_digits = (wsize * 8 * 10 + 32) / 33;
 579         break;
 580     case 'c':
 581         wsize = 1;
 582         break;
 583     }
 584
 585     while (len > 0) {
 586         if (is_physical)
 587             term_printf(TARGET_FMT_plx ":", addr);
 588         else
 589             term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
 590         l = len;
 591         if (l > line_size)
 592             l = line_size;
 593         if (is_physical) {
 594             cpu_physical_memory_rw(addr, buf, l, 0);
 595         } else {
 596             env = mon_get_cpu();
 597             if (!env)
 598                 break;
 599             cpu_memory_rw_debug(env, addr, buf, l, 0);
 600         }
 601         i = 0;
 602         while (i < l) {
 603             switch(wsize) {
 604             default:
 605             case 1:
 606                 v = ldub_raw(buf + i);
 607                 break;
 608             case 2:
 609                 v = lduw_raw(buf + i);
 610                 break;
 611             case 4:
 612                 v = (uint32_t)ldl_raw(buf + i);
 613                 break;
 614             case 8:
 615                 v = ldq_raw(buf + i);
 616                 break;
 617             }
 618             term_printf(" ");
 619             switch(format) {
 620             case 'o':
 621                 term_printf("%#*" PRIo64, max_digits, v);
 622                 break;
 623             case 'x':
 624                 term_printf("0x%0*" PRIx64, max_digits, v);
 625                 break;
 626             case 'u':
 627                 term_printf("%*" PRIu64, max_digits, v);
 628                 break;
 629             case 'd':
 630                 term_printf("%*" PRId64, max_digits, v);
 631                 break;
 632             case 'c':
 633                 term_printc(v);
 634                 break;
 635             }
 636             i += wsize;
 637         }
 638         term_printf("\n");
 639         addr += l;
 640         len -= l;
 641     }
 642 }
 643
 644 #if TARGET_LONG_BITS == 64
 645 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 646 #else
 647 #define GET_TLONG(h, l) (l)
 648 #endif
 649
 650 static void do_memory_dump(int count, int format, int size,
 651                            uint32_t addrh, uint32_t addrl)
 652 {
 653     target_long addr = GET_TLONG(addrh, addrl);
 654     memory_dump(count, format, size, addr, 0);
 655 }
 656
 657 #if TARGET_PHYS_ADDR_BITS > 32
 658 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 659 #else
 660 #define GET_TPHYSADDR(h, l) (l)
 661 #endif
 662
 663 static void do_physical_memory_dump(int count, int format, int size,
 664                                     uint32_t addrh, uint32_t addrl)
 665
 666 {
 667     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 668     memory_dump(count, format, size, addr, 1);
 669 }
 670
 671 static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 672 {
 673     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 674 #if TARGET_PHYS_ADDR_BITS == 32
 675     switch(format) {
 676     case 'o':
 677         term_printf("%#o", val);
 678         break;
 679     case 'x':
 680         term_printf("%#x", val);
 681         break;
 682     case 'u':
 683         term_printf("%u", val);
 684         break;
 685     default:
 686     case 'd':
 687         term_printf("%d", val);
 688         break;
 689     case 'c':
 690         term_printc(val);
 691         break;
 692     }
 693 #else
 694     switch(format) {
 695     case 'o':
 696         term_printf("%#" PRIo64, val);
 697         break;
 698     case 'x':
 699         term_printf("%#" PRIx64, val);
 700         break;
 701     case 'u':
 702         term_printf("%" PRIu64, val);
 703         break;
 704     default:
 705     case 'd':
 706         term_printf("%" PRId64, val);
 707         break;
 708     case 'c':
 709         term_printc(val);
 710         break;
 711     }
 712 #endif
 713     term_printf("\n");
 714 }
 715
 716 static void do_memory_save(unsigned int valh, unsigned int vall,
 717                            uint32_t size, const char *filename)
 718 {
 719     FILE *f;
 720     target_long addr = GET_TLONG(valh, vall);
 721     uint32_t l;
 722     CPUState *env;
 723     uint8_t buf[1024];
 724
 725     env = mon_get_cpu();
 726     if (!env)
 727         return;
 728
 729     f = fopen(filename, "wb");
 730     if (!f) {
 731         term_printf("could not open '%s'\n", filename);
 732         return;
 733     }
 734     while (size != 0) {
 735         l = sizeof(buf);
 736         if (l > size)
 737             l = size;
 738         cpu_memory_rw_debug(env, addr, buf, l, 0);
 739         fwrite(buf, 1, l, f);
 740         addr += l;
 741         size -= l;
 742     }
 743     fclose(f);
 744 }
 745
 746 static void do_physical_memory_save(unsigned int valh, unsigned int vall,
 747                                     uint32_t size, const char *filename)
 748 {
 749     FILE *f;
 750     uint32_t l;
 751     uint8_t buf[1024];
 752     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
 753
 754     f = fopen(filename, "wb");
 755     if (!f) {
 756         term_printf("could not open '%s'\n", filename);
 757         return;
 758     }
 759     while (size != 0) {
 760         l = sizeof(buf);
 761         if (l > size)
 762             l = size;
 763         cpu_physical_memory_rw(addr, buf, l, 0);
 764         fwrite(buf, 1, l, f);
 765         fflush(f);
 766         addr += l;
 767         size -= l;
 768     }
 769     fclose(f);
 770 }
 771
 772 static void do_sum(uint32_t start, uint32_t size)
 773 {
 774     uint32_t addr;
 775     uint8_t buf[1];
 776     uint16_t sum;
 777
 778     sum = 0;
 779     for(addr = start; addr < (start + size); addr++) {
 780         cpu_physical_memory_rw(addr, buf, 1, 0);
 781         /* BSD sum algorithm ('sum' Unix command) */
 782         sum = (sum >> 1) | (sum << 15);
 783         sum += buf[0];
 784     }
 785     term_printf("%05d\n", sum);
 786 }
 787
 788 typedef struct {
 789     int keycode;
 790     const char *name;
 791 } KeyDef;
 792
 793 static const KeyDef key_defs[] = {
 794     { 0x2a, "shift" },
 795     { 0x36, "shift_r" },
 796
 797     { 0x38, "alt" },
 798     { 0xb8, "alt_r" },
 799     { 0x1d, "ctrl" },
 800     { 0x9d, "ctrl_r" },
 801
 802     { 0xdd, "menu" },
 803
 804     { 0x01, "esc" },
 805
 806     { 0x02, "1" },
 807     { 0x03, "2" },
 808     { 0x04, "3" },
 809     { 0x05, "4" },
 810     { 0x06, "5" },
 811     { 0x07, "6" },
 812     { 0x08, "7" },
 813     { 0x09, "8" },
 814     { 0x0a, "9" },
 815     { 0x0b, "0" },
 816     { 0x0c, "minus" },
 817     { 0x0d, "equal" },
 818     { 0x0e, "backspace" },
 819
 820     { 0x0f, "tab" },
 821     { 0x10, "q" },
 822     { 0x11, "w" },
 823     { 0x12, "e" },
 824     { 0x13, "r" },
 825     { 0x14, "t" },
 826     { 0x15, "y" },
 827     { 0x16, "u" },
 828     { 0x17, "i" },
 829     { 0x18, "o" },
 830     { 0x19, "p" },
 831
 832     { 0x1c, "ret" },
 833
 834     { 0x1e, "a" },
 835     { 0x1f, "s" },
 836     { 0x20, "d" },
 837     { 0x21, "f" },
 838     { 0x22, "g" },
 839     { 0x23, "h" },
 840     { 0x24, "j" },
 841     { 0x25, "k" },
 842     { 0x26, "l" },
 843
 844     { 0x2c, "z" },
 845     { 0x2d, "x" },
 846     { 0x2e, "c" },
 847     { 0x2f, "v" },
 848     { 0x30, "b" },
 849     { 0x31, "n" },
 850     { 0x32, "m" },
 851
 852     { 0x37, "asterisk" },
 853
 854     { 0x39, "spc" },
 855     { 0x3a, "caps_lock" },
 856     { 0x3b, "f1" },
 857     { 0x3c, "f2" },
 858     { 0x3d, "f3" },
 859     { 0x3e, "f4" },
 860     { 0x3f, "f5" },
 861     { 0x40, "f6" },
 862     { 0x41, "f7" },
 863     { 0x42, "f8" },
 864     { 0x43, "f9" },
 865     { 0x44, "f10" },
 866     { 0x45, "num_lock" },
 867     { 0x46, "scroll_lock" },
 868
 869     { 0xb5, "kp_divide" },
 870     { 0x37, "kp_multiply" },
 871     { 0x4a, "kp_subtract" },
 872     { 0x4e, "kp_add" },
 873     { 0x9c, "kp_enter" },
 874     { 0x53, "kp_decimal" },
 875     { 0x54, "sysrq" },
 876
 877     { 0x52, "kp_0" },
 878     { 0x4f, "kp_1" },
 879     { 0x50, "kp_2" },
 880     { 0x51, "kp_3" },
 881     { 0x4b, "kp_4" },
 882     { 0x4c, "kp_5" },
 883     { 0x4d, "kp_6" },
 884     { 0x47, "kp_7" },
 885     { 0x48, "kp_8" },
 886     { 0x49, "kp_9" },
 887
 888     { 0x56, "<" },
 889
 890     { 0x57, "f11" },
 891     { 0x58, "f12" },
 892
 893     { 0xb7, "print" },
 894
 895     { 0xc7, "home" },
 896     { 0xc9, "pgup" },
 897     { 0xd1, "pgdn" },
 898     { 0xcf, "end" },
 899
 900     { 0xcb, "left" },
 901     { 0xc8, "up" },
 902     { 0xd0, "down" },
 903     { 0xcd, "right" },
 904
 905     { 0xd2, "insert" },
 906     { 0xd3, "delete" },
 907     { 0, NULL },
 908 };
 909
 910 static int get_keycode(const char *key)
 911 {
 912     const KeyDef *p;
 913     char *endp;
 914     int ret;
 915
 916     for(p = key_defs; p->name != NULL; p++) {
 917         if (!strcmp(key, p->name))
 918             return p->keycode;
 919     }
 920     if (strstart(key, "0x", NULL)) {
 921         ret = strtoul(key, &endp, 0);
 922         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
 923             return ret;
 924     }
 925     return -1;
 926 }
 927
 928 #define MAX_KEYCODES 16
 929 static uint8_t keycodes[MAX_KEYCODES];
 930 static int nb_pending_keycodes;
 931 static QEMUTimer *key_timer;
 932
 933 static void release_keys(void *opaque)
 934 {
 935     int keycode;
 936
 937     while (nb_pending_keycodes > 0) {
 938         nb_pending_keycodes--;
 939         keycode = keycodes[nb_pending_keycodes];
 940         if (keycode & 0x80)
 941             kbd_put_keycode(0xe0);
 942         kbd_put_keycode(keycode | 0x80);
 943     }
 944 }
 945
 946 static void do_sendkey(const char *string, int has_hold_time, int hold_time)
 947 {
 948     char keyname_buf[16];
 949     char *separator;
 950     int keyname_len, keycode, i;
 951
 952     if (nb_pending_keycodes > 0) {
 953         qemu_del_timer(key_timer);
 954         release_keys(NULL);
 955     }
 956     if (!has_hold_time)
 957         hold_time = 100;
 958     i = 0;
 959     while (1) {
 960         separator = strchr(string, '-');
 961         keyname_len = separator ? separator - string : strlen(string);
 962         if (keyname_len > 0) {
 963             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
 964             if (keyname_len > sizeof(keyname_buf) - 1) {
 965                 term_printf("invalid key: '%s...'\n", keyname_buf);
 966                 return;
 967             }
 968             if (i == MAX_KEYCODES) {
 969                 term_printf("too many keys\n");
 970                 return;
 971             }
 972             keyname_buf[keyname_len] = 0;
 973             keycode = get_keycode(keyname_buf);
 974             if (keycode < 0) {
 975                 term_printf("unknown key: '%s'\n", keyname_buf);
 976                 return;
 977             }
 978             keycodes[i++] = keycode;
 979         }
 980         if (!separator)
 981             break;
 982         string = separator + 1;
 983     }
 984     nb_pending_keycodes = i;
 985     /* key down events */
 986     for (i = 0; i < nb_pending_keycodes; i++) {
 987         keycode = keycodes[i];
 988         if (keycode & 0x80)
 989             kbd_put_keycode(0xe0);
 990         kbd_put_keycode(keycode & 0x7f);
 991     }
 992     /* delayed key up events */
 993     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
 994                     muldiv64(ticks_per_sec, hold_time, 1000));
 995 }
 996
 997 static int mouse_button_state;
 998
 999 static void do_mouse_move(const char *dx_str, const char *dy_str,
1000                           const char *dz_str)
1001 {
1002     int dx, dy, dz;
1003     dx = strtol(dx_str, NULL, 0);
1004     dy = strtol(dy_str, NULL, 0);
1005     dz = 0;
1006     if (dz_str)
1007         dz = strtol(dz_str, NULL, 0);
1008     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1009 }
1010
1011 static void do_mouse_button(int button_state)
1012 {
1013     mouse_button_state = button_state;
1014     kbd_mouse_event(0, 0, 0, mouse_button_state);
1015 }
1016
1017 static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
1018 {
1019     uint32_t val;
1020     int suffix;
1021
1022     if (has_index) {
1023         cpu_outb(NULL, addr & 0xffff, index & 0xff);
1024         addr++;
1025     }
1026     addr &= 0xffff;
1027
1028     switch(size) {
1029     default:
1030     case 1:
1031         val = cpu_inb(NULL, addr);
1032         suffix = 'b';
1033         break;
1034     case 2:
1035         val = cpu_inw(NULL, addr);
1036         suffix = 'w';
1037         break;
1038     case 4:
1039         val = cpu_inl(NULL, addr);
1040         suffix = 'l';
1041         break;
1042     }
1043     term_printf("port%c[0x%04x] = %#0*x\n",
1044                 suffix, addr, size * 2, val);
1045 }
1046
1047 /* boot_set handler */
1048 static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
1049 static void *boot_opaque;
1050
1051 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1052 {
1053     qemu_boot_set_handler = func;
1054     boot_opaque = opaque;
1055 }
1056
1057 static void do_boot_set(const char *bootdevice)
1058 {
1059     int res;
1060
1061     if (qemu_boot_set_handler)  {
1062         res = qemu_boot_set_handler(boot_opaque, bootdevice);
1063         if (res == 0)
1064             term_printf("boot device list now set to %s\n", bootdevice);
1065         else
1066             term_printf("setting boot device list failed with error %i\n", res);
1067     } else {
1068         term_printf("no function defined to set boot device list for this architecture\n");
1069     }
1070 }
1071
1072 static void do_system_reset(void)
1073 {
1074     qemu_system_reset_request();
1075 }
1076
1077 static void do_system_powerdown(void)
1078 {
1079     qemu_system_powerdown_request();
1080 }
1081
1082 #if defined(TARGET_I386)
1083 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
1084 {
1085     term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
1086                 addr,
1087                 pte & mask,
1088                 pte & PG_GLOBAL_MASK ? 'G' : '-',
1089                 pte & PG_PSE_MASK ? 'P' : '-',
1090                 pte & PG_DIRTY_MASK ? 'D' : '-',
1091                 pte & PG_ACCESSED_MASK ? 'A' : '-',
1092                 pte & PG_PCD_MASK ? 'C' : '-',
1093                 pte & PG_PWT_MASK ? 'T' : '-',
1094                 pte & PG_USER_MASK ? 'U' : '-',
1095                 pte & PG_RW_MASK ? 'W' : '-');
1096 }
1097
1098 static void tlb_info(void)
1099 {
1100     CPUState *env;
1101     int l1, l2;
1102     uint32_t pgd, pde, pte;
1103
1104     env = mon_get_cpu();
1105     if (!env)
1106         return;
1107
1108     if (!(env->cr[0] & CR0_PG_MASK)) {
1109         term_printf("PG disabled\n");
1110         return;
1111     }
1112     pgd = env->cr[3] & ~0xfff;
1113     for(l1 = 0; l1 < 1024; l1++) {
1114         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1115         pde = le32_to_cpu(pde);
1116         if (pde & PG_PRESENT_MASK) {
1117             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1118                 print_pte((l1 << 22), pde, ~((1 << 20) - 1));
1119             } else {
1120                 for(l2 = 0; l2 < 1024; l2++) {
1121                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1122                                              (uint8_t *)&pte, 4);
1123                     pte = le32_to_cpu(pte);
1124                     if (pte & PG_PRESENT_MASK) {
1125                         print_pte((l1 << 22) + (l2 << 12),
1126                                   pte & ~PG_PSE_MASK,
1127                                   ~0xfff);
1128                     }
1129                 }
1130             }
1131         }
1132     }
1133 }
1134
1135 static void mem_print(uint32_t *pstart, int *plast_prot,
1136                       uint32_t end, int prot)
1137 {
1138     int prot1;
1139     prot1 = *plast_prot;
1140     if (prot != prot1) {
1141         if (*pstart != -1) {
1142             term_printf("%08x-%08x %08x %c%c%c\n",
1143                         *pstart, end, end - *pstart,
1144                         prot1 & PG_USER_MASK ? 'u' : '-',
1145                         'r',
1146                         prot1 & PG_RW_MASK ? 'w' : '-');
1147         }
1148         if (prot != 0)
1149             *pstart = end;
1150         else
1151             *pstart = -1;
1152         *plast_prot = prot;
1153     }
1154 }
1155
1156 static void mem_info(void)
1157 {
1158     CPUState *env;
1159     int l1, l2, prot, last_prot;
1160     uint32_t pgd, pde, pte, start, end;
1161
1162     env = mon_get_cpu();
1163     if (!env)
1164         return;
1165
1166     if (!(env->cr[0] & CR0_PG_MASK)) {
1167         term_printf("PG disabled\n");
1168         return;
1169     }
1170     pgd = env->cr[3] & ~0xfff;
1171     last_prot = 0;
1172     start = -1;
1173     for(l1 = 0; l1 < 1024; l1++) {
1174         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1175         pde = le32_to_cpu(pde);
1176         end = l1 << 22;
1177         if (pde & PG_PRESENT_MASK) {
1178             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1179                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1180                 mem_print(&start, &last_prot, end, prot);
1181             } else {
1182                 for(l2 = 0; l2 < 1024; l2++) {
1183                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1184                                              (uint8_t *)&pte, 4);
1185                     pte = le32_to_cpu(pte);
1186                     end = (l1 << 22) + (l2 << 12);
1187                     if (pte & PG_PRESENT_MASK) {
1188                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1189                     } else {
1190                         prot = 0;
1191                     }
1192                     mem_print(&start, &last_prot, end, prot);
1193                 }
1194             }
1195         } else {
1196             prot = 0;
1197             mem_print(&start, &last_prot, end, prot);
1198         }
1199     }
1200 }
1201 #endif
1202
1203 static void do_info_kqemu(void)
1204 {
1205 #ifdef USE_KQEMU
1206     CPUState *env;
1207     int val;
1208     val = 0;
1209     env = mon_get_cpu();
1210     if (!env) {
1211         term_printf("No cpu initialized yet");
1212         return;
1213     }
1214     val = env->kqemu_enabled;
1215     term_printf("kqemu support: ");
1216     switch(val) {
1217     default:
1218     case 0:
1219         term_printf("disabled\n");
1220         break;
1221     case 1:
1222         term_printf("enabled for user code\n");
1223         break;
1224     case 2:
1225         term_printf("enabled for user and kernel code\n");
1226         break;
1227     }
1228 #else
1229     term_printf("kqemu support: not compiled\n");
1230 #endif
1231 }
1232
1233 #ifdef CONFIG_PROFILER
1234
1235 int64_t kqemu_time;
1236 int64_t qemu_time;
1237 int64_t kqemu_exec_count;
1238 int64_t dev_time;
1239 int64_t kqemu_ret_int_count;
1240 int64_t kqemu_ret_excp_count;
1241 int64_t kqemu_ret_intr_count;
1242
1243 static void do_info_profile(void)
1244 {
1245     int64_t total;
1246     total = qemu_time;
1247     if (total == 0)
1248         total = 1;
1249     term_printf("async time  %" PRId64 " (%0.3f)\n",
1250                 dev_time, dev_time / (double)ticks_per_sec);
1251     term_printf("qemu time   %" PRId64 " (%0.3f)\n",
1252                 qemu_time, qemu_time / (double)ticks_per_sec);
1253     term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
1254                 kqemu_time, kqemu_time / (double)ticks_per_sec,
1255                 kqemu_time / (double)total * 100.0,
1256                 kqemu_exec_count,
1257                 kqemu_ret_int_count,
1258                 kqemu_ret_excp_count,
1259                 kqemu_ret_intr_count);
1260     qemu_time = 0;
1261     kqemu_time = 0;
1262     kqemu_exec_count = 0;
1263     dev_time = 0;
1264     kqemu_ret_int_count = 0;
1265     kqemu_ret_excp_count = 0;
1266     kqemu_ret_intr_count = 0;
1267 #ifdef USE_KQEMU
1268     kqemu_record_dump();
1269 #endif
1270 }
1271 #else
1272 static void do_info_profile(void)
1273 {
1274     term_printf("Internal profiler not compiled\n");
1275 }
1276 #endif
1277
1278 /* Capture support */
1279 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1280
1281 static void do_info_capture (void)
1282 {
1283     int i;
1284     CaptureState *s;
1285
1286     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1287         term_printf ("[%d]: ", i);
1288         s->ops.info (s->opaque);
1289     }
1290 }
1291
1292 static void do_stop_capture (int n)
1293 {
1294     int i;
1295     CaptureState *s;
1296
1297     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1298         if (i == n) {
1299             s->ops.destroy (s->opaque);
1300             LIST_REMOVE (s, entries);
1301             qemu_free (s);
1302             return;
1303         }
1304     }
1305 }
1306
1307 #ifdef HAS_AUDIO
1308 int wav_start_capture (CaptureState *s, const char *path, int freq,
1309                        int bits, int nchannels);
1310
1311 static void do_wav_capture (const char *path,
1312                             int has_freq, int freq,
1313                             int has_bits, int bits,
1314                             int has_channels, int nchannels)
1315 {
1316     CaptureState *s;
1317
1318     s = qemu_mallocz (sizeof (*s));
1319     if (!s) {
1320         term_printf ("Not enough memory to add wave capture\n");
1321         return;
1322     }
1323
1324     freq = has_freq ? freq : 44100;
1325     bits = has_bits ? bits : 16;
1326     nchannels = has_channels ? nchannels : 2;
1327
1328     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1329         term_printf ("Faied to add wave capture\n");
1330         qemu_free (s);
1331     }
1332     LIST_INSERT_HEAD (&capture_head, s, entries);
1333 }
1334 #endif
1335
1336 #if defined(TARGET_I386)
1337 static void do_inject_nmi(int cpu_index)
1338 {
1339     CPUState *env;
1340
1341     for (env = first_cpu; env != NULL; env = env->next_cpu)
1342         if (env->cpu_index == cpu_index) {
1343             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1344             break;
1345         }
1346 }
1347 #endif
1348
1349 static term_cmd_t term_cmds[] = {
1350     { "help|?", "s?", do_help,
1351       "[cmd]", "show the help" },
1352     { "commit", "s", do_commit,
1353       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1354     { "info", "s?", do_info,
1355       "subcommand", "show various information about the system state" },
1356     { "q|quit", "", do_quit,
1357       "", "quit the emulator" },
1358     { "eject", "-fB", do_eject,
1359       "[-f] device", "eject a removable medium (use -f to force it)" },
1360     { "change", "BFs?", do_change,
1361       "device filename [format]", "change a removable medium, optional format" },
1362     { "screendump", "F", do_screen_dump,
1363       "filename", "save screen into PPM image 'filename'" },
1364     { "logfile", "F", do_logfile,
1365       "filename", "output logs to 'filename'" },
1366     { "log", "s", do_log,
1367       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1368     { "savevm", "s?", do_savevm,
1369       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1370     { "loadvm", "s", do_loadvm,
1371       "tag|id", "restore a VM snapshot from its tag or id" },
1372     { "delvm", "s", do_delvm,
1373       "tag|id", "delete a VM snapshot from its tag or id" },
1374     { "stop", "", do_stop,
1375       "", "stop emulation", },
1376     { "c|cont", "", do_cont,
1377       "", "resume emulation", },
1378 #ifdef CONFIG_GDBSTUB
1379     { "gdbserver", "s?", do_gdbserver,
1380       "[port]", "start gdbserver session (default port=1234)", },
1381 #endif
1382     { "x", "/l", do_memory_dump,
1383       "/fmt addr", "virtual memory dump starting at 'addr'", },
1384     { "xp", "/l", do_physical_memory_dump,
1385       "/fmt addr", "physical memory dump starting at 'addr'", },
1386     { "p|print", "/l", do_print,
1387       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1388     { "i", "/ii.", do_ioport_read,
1389       "/fmt addr", "I/O port read" },
1390
1391     { "sendkey", "si?", do_sendkey,
1392       "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
1393     { "system_reset", "", do_system_reset,
1394       "", "reset the system" },
1395     { "system_powerdown", "", do_system_powerdown,
1396       "", "send system power down event" },
1397     { "sum", "ii", do_sum,
1398       "addr size", "compute the checksum of a memory region" },
1399     { "usb_add", "s", do_usb_add,
1400       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1401     { "usb_del", "s", do_usb_del,
1402       "device", "remove USB device 'bus.addr'" },
1403     { "cpu", "i", do_cpu_set,
1404       "index", "set the default CPU" },
1405     { "mouse_move", "sss?", do_mouse_move,
1406       "dx dy [dz]", "send mouse move events" },
1407     { "mouse_button", "i", do_mouse_button,
1408       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1409     { "mouse_set", "i", do_mouse_set,
1410       "index", "set which mouse device receives events" },
1411 #ifdef HAS_AUDIO
1412     { "wavcapture", "si?i?i?", do_wav_capture,
1413       "path [frequency bits channels]",
1414       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1415 #endif
1416      { "stopcapture", "i", do_stop_capture,
1417        "capture index", "stop capture" },
1418     { "memsave", "lis", do_memory_save,
1419       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1420     { "pmemsave", "lis", do_physical_memory_save,
1421       "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1422     { "boot_set", "s", do_boot_set,
1423       "bootdevice", "define new values for the boot device list" },
1424 #if defined(TARGET_I386)
1425     { "nmi", "i", do_inject_nmi,
1426       "cpu", "inject an NMI on the given CPU", },
1427 #endif
1428     { NULL, NULL, },
1429 };
1430
1431 static term_cmd_t info_cmds[] = {
1432     { "version", "", do_info_version,
1433       "", "show the version of qemu" },
1434     { "network", "", do_info_network,
1435       "", "show the network state" },
1436     { "block", "", do_info_block,
1437       "", "show the block devices" },
1438     { "blockstats", "", do_info_blockstats,
1439       "", "show block device statistics" },
1440     { "registers", "", do_info_registers,
1441       "", "show the cpu registers" },
1442     { "cpus", "", do_info_cpus,
1443       "", "show infos for each CPU" },
1444     { "history", "", do_info_history,
1445       "", "show the command line history", },
1446     { "irq", "", irq_info,
1447       "", "show the interrupts statistics (if available)", },
1448     { "pic", "", pic_info,
1449       "", "show i8259 (PIC) state", },
1450     { "pci", "", pci_info,
1451       "", "show PCI info", },
1452 #if defined(TARGET_I386)
1453     { "tlb", "", tlb_info,
1454       "", "show virtual to physical memory mappings", },
1455     { "mem", "", mem_info,
1456       "", "show the active virtual memory mappings", },
1457 #endif
1458     { "jit", "", do_info_jit,
1459       "", "show dynamic compiler info", },
1460     { "kqemu", "", do_info_kqemu,
1461       "", "show kqemu information", },
1462     { "usb", "", usb_info,
1463       "", "show guest USB devices", },
1464     { "usbhost", "", usb_host_info,
1465       "", "show host USB devices", },
1466     { "profile", "", do_info_profile,
1467       "", "show profiling information", },
1468     { "capture", "", do_info_capture,
1469       "", "show capture information" },
1470     { "snapshots", "", do_info_snapshots,
1471       "", "show the currently saved VM snapshots" },
1472     { "pcmcia", "", pcmcia_info,
1473       "", "show guest PCMCIA status" },
1474     { "mice", "", do_info_mice,
1475       "", "show which guest mouse is receiving events" },
1476     { "vnc", "", do_info_vnc,
1477       "", "show the vnc server status"},
1478     { "name", "", do_info_name,
1479       "", "show the current VM name" },
1480 #if defined(TARGET_PPC)
1481     { "cpustats", "", do_info_cpu_stats,
1482       "", "show CPU statistics", },
1483 #endif
1484 #if defined(CONFIG_SLIRP)
1485     { "slirp", "", do_info_slirp,
1486       "", "show SLIRP statistics", },
1487 #endif
1488     { NULL, NULL, },
1489 };
1490
1491 /*******************************************************************/
1492
1493 static const char *pch;
1494 static jmp_buf expr_env;
1495
1496 #define MD_TLONG 0
1497 #define MD_I32   1
1498
1499 typedef struct MonitorDef {
1500     const char *name;
1501     int offset;
1502     target_long (*get_value)(struct MonitorDef *md, int val);
1503     int type;
1504 } MonitorDef;
1505
1506 #if defined(TARGET_I386)
1507 static target_long monitor_get_pc (struct MonitorDef *md, int val)
1508 {
1509     CPUState *env = mon_get_cpu();
1510     if (!env)
1511         return 0;
1512     return env->eip + env->segs[R_CS].base;
1513 }
1514 #endif
1515
1516 #if defined(TARGET_PPC)
1517 static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1518 {
1519     CPUState *env = mon_get_cpu();
1520     unsigned int u;
1521     int i;
1522
1523     if (!env)
1524         return 0;
1525
1526     u = 0;
1527     for (i = 0; i < 8; i++)
1528         u |= env->crf[i] << (32 - (4 * i));
1529
1530     return u;
1531 }
1532
1533 static target_long monitor_get_msr (struct MonitorDef *md, int val)
1534 {
1535     CPUState *env = mon_get_cpu();
1536     if (!env)
1537         return 0;
1538     return env->msr;
1539 }
1540
1541 static target_long monitor_get_xer (struct MonitorDef *md, int val)
1542 {
1543     CPUState *env = mon_get_cpu();
1544     if (!env)
1545         return 0;
1546     return ppc_load_xer(env);
1547 }
1548
1549 static target_long monitor_get_decr (struct MonitorDef *md, int val)
1550 {
1551     CPUState *env = mon_get_cpu();
1552     if (!env)
1553         return 0;
1554     return cpu_ppc_load_decr(env);
1555 }
1556
1557 static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1558 {
1559     CPUState *env = mon_get_cpu();
1560     if (!env)
1561         return 0;
1562     return cpu_ppc_load_tbu(env);
1563 }
1564
1565 static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1566 {
1567     CPUState *env = mon_get_cpu();
1568     if (!env)
1569         return 0;
1570     return cpu_ppc_load_tbl(env);
1571 }
1572 #endif
1573
1574 #if defined(TARGET_SPARC)
1575 #ifndef TARGET_SPARC64
1576 static target_long monitor_get_psr (struct MonitorDef *md, int val)
1577 {
1578     CPUState *env = mon_get_cpu();
1579     if (!env)
1580         return 0;
1581     return GET_PSR(env);
1582 }
1583 #endif
1584
1585 static target_long monitor_get_reg(struct MonitorDef *md, int val)
1586 {
1587     CPUState *env = mon_get_cpu();
1588     if (!env)
1589         return 0;
1590     return env->regwptr[val];
1591 }
1592 #endif
1593
1594 static MonitorDef monitor_defs[] = {
1595 #ifdef TARGET_I386
1596
1597 #define SEG(name, seg) \
1598     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1599     { name ".base", offsetof(CPUState, segs[seg].base) },\
1600     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1601
1602     { "eax", offsetof(CPUState, regs[0]) },
1603     { "ecx", offsetof(CPUState, regs[1]) },
1604     { "edx", offsetof(CPUState, regs[2]) },
1605     { "ebx", offsetof(CPUState, regs[3]) },
1606     { "esp|sp", offsetof(CPUState, regs[4]) },
1607     { "ebp|fp", offsetof(CPUState, regs[5]) },
1608     { "esi", offsetof(CPUState, regs[6]) },
1609     { "edi", offsetof(CPUState, regs[7]) },
1610 #ifdef TARGET_X86_64
1611     { "r8", offsetof(CPUState, regs[8]) },
1612     { "r9", offsetof(CPUState, regs[9]) },
1613     { "r10", offsetof(CPUState, regs[10]) },
1614     { "r11", offsetof(CPUState, regs[11]) },
1615     { "r12", offsetof(CPUState, regs[12]) },
1616     { "r13", offsetof(CPUState, regs[13]) },
1617     { "r14", offsetof(CPUState, regs[14]) },
1618     { "r15", offsetof(CPUState, regs[15]) },
1619 #endif
1620     { "eflags", offsetof(CPUState, eflags) },
1621     { "eip", offsetof(CPUState, eip) },
1622     SEG("cs", R_CS)
1623     SEG("ds", R_DS)
1624     SEG("es", R_ES)
1625     SEG("ss", R_SS)
1626     SEG("fs", R_FS)
1627     SEG("gs", R_GS)
1628     { "pc", 0, monitor_get_pc, },
1629 #elif defined(TARGET_PPC)
1630     /* General purpose registers */
1631     { "r0", offsetof(CPUState, gpr[0]) },
1632     { "r1", offsetof(CPUState, gpr[1]) },
1633     { "r2", offsetof(CPUState, gpr[2]) },
1634     { "r3", offsetof(CPUState, gpr[3]) },
1635     { "r4", offsetof(CPUState, gpr[4]) },
1636     { "r5", offsetof(CPUState, gpr[5]) },
1637     { "r6", offsetof(CPUState, gpr[6]) },
1638     { "r7", offsetof(CPUState, gpr[7]) },
1639     { "r8", offsetof(CPUState, gpr[8]) },
1640     { "r9", offsetof(CPUState, gpr[9]) },
1641     { "r10", offsetof(CPUState, gpr[10]) },
1642     { "r11", offsetof(CPUState, gpr[11]) },
1643     { "r12", offsetof(CPUState, gpr[12]) },
1644     { "r13", offsetof(CPUState, gpr[13]) },
1645     { "r14", offsetof(CPUState, gpr[14]) },
1646     { "r15", offsetof(CPUState, gpr[15]) },
1647     { "r16", offsetof(CPUState, gpr[16]) },
1648     { "r17", offsetof(CPUState, gpr[17]) },
1649     { "r18", offsetof(CPUState, gpr[18]) },
1650     { "r19", offsetof(CPUState, gpr[19]) },
1651     { "r20", offsetof(CPUState, gpr[20]) },
1652     { "r21", offsetof(CPUState, gpr[21]) },
1653     { "r22", offsetof(CPUState, gpr[22]) },
1654     { "r23", offsetof(CPUState, gpr[23]) },
1655     { "r24", offsetof(CPUState, gpr[24]) },
1656     { "r25", offsetof(CPUState, gpr[25]) },
1657     { "r26", offsetof(CPUState, gpr[26]) },
1658     { "r27", offsetof(CPUState, gpr[27]) },
1659     { "r28", offsetof(CPUState, gpr[28]) },
1660     { "r29", offsetof(CPUState, gpr[29]) },
1661     { "r30", offsetof(CPUState, gpr[30]) },
1662     { "r31", offsetof(CPUState, gpr[31]) },
1663     /* Floating point registers */
1664     { "f0", offsetof(CPUState, fpr[0]) },
1665     { "f1", offsetof(CPUState, fpr[1]) },
1666     { "f2", offsetof(CPUState, fpr[2]) },
1667     { "f3", offsetof(CPUState, fpr[3]) },
1668     { "f4", offsetof(CPUState, fpr[4]) },
1669     { "f5", offsetof(CPUState, fpr[5]) },
1670     { "f6", offsetof(CPUState, fpr[6]) },
1671     { "f7", offsetof(CPUState, fpr[7]) },
1672     { "f8", offsetof(CPUState, fpr[8]) },
1673     { "f9", offsetof(CPUState, fpr[9]) },
1674     { "f10", offsetof(CPUState, fpr[10]) },
1675     { "f11", offsetof(CPUState, fpr[11]) },
1676     { "f12", offsetof(CPUState, fpr[12]) },
1677     { "f13", offsetof(CPUState, fpr[13]) },
1678     { "f14", offsetof(CPUState, fpr[14]) },
1679     { "f15", offsetof(CPUState, fpr[15]) },
1680     { "f16", offsetof(CPUState, fpr[16]) },
1681     { "f17", offsetof(CPUState, fpr[17]) },
1682     { "f18", offsetof(CPUState, fpr[18]) },
1683     { "f19", offsetof(CPUState, fpr[19]) },
1684     { "f20", offsetof(CPUState, fpr[20]) },
1685     { "f21", offsetof(CPUState, fpr[21]) },
1686     { "f22", offsetof(CPUState, fpr[22]) },
1687     { "f23", offsetof(CPUState, fpr[23]) },
1688     { "f24", offsetof(CPUState, fpr[24]) },
1689     { "f25", offsetof(CPUState, fpr[25]) },
1690     { "f26", offsetof(CPUState, fpr[26]) },
1691     { "f27", offsetof(CPUState, fpr[27]) },
1692     { "f28", offsetof(CPUState, fpr[28]) },
1693     { "f29", offsetof(CPUState, fpr[29]) },
1694     { "f30", offsetof(CPUState, fpr[30]) },
1695     { "f31", offsetof(CPUState, fpr[31]) },
1696     { "fpscr", offsetof(CPUState, fpscr) },
1697     /* Next instruction pointer */
1698     { "nip|pc", offsetof(CPUState, nip) },
1699     { "lr", offsetof(CPUState, lr) },
1700     { "ctr", offsetof(CPUState, ctr) },
1701     { "decr", 0, &monitor_get_decr, },
1702     { "ccr", 0, &monitor_get_ccr, },
1703     /* Machine state register */
1704     { "msr", 0, &monitor_get_msr, },
1705     { "xer", 0, &monitor_get_xer, },
1706     { "tbu", 0, &monitor_get_tbu, },
1707     { "tbl", 0, &monitor_get_tbl, },
1708 #if defined(TARGET_PPC64)
1709     /* Address space register */
1710     { "asr", offsetof(CPUState, asr) },
1711 #endif
1712     /* Segment registers */
1713     { "sdr1", offsetof(CPUState, sdr1) },
1714     { "sr0", offsetof(CPUState, sr[0]) },
1715     { "sr1", offsetof(CPUState, sr[1]) },
1716     { "sr2", offsetof(CPUState, sr[2]) },
1717     { "sr3", offsetof(CPUState, sr[3]) },
1718     { "sr4", offsetof(CPUState, sr[4]) },
1719     { "sr5", offsetof(CPUState, sr[5]) },
1720     { "sr6", offsetof(CPUState, sr[6]) },
1721     { "sr7", offsetof(CPUState, sr[7]) },
1722     { "sr8", offsetof(CPUState, sr[8]) },
1723     { "sr9", offsetof(CPUState, sr[9]) },
1724     { "sr10", offsetof(CPUState, sr[10]) },
1725     { "sr11", offsetof(CPUState, sr[11]) },
1726     { "sr12", offsetof(CPUState, sr[12]) },
1727     { "sr13", offsetof(CPUState, sr[13]) },
1728     { "sr14", offsetof(CPUState, sr[14]) },
1729     { "sr15", offsetof(CPUState, sr[15]) },
1730     /* Too lazy to put BATs and SPRs ... */
1731 #elif defined(TARGET_SPARC)
1732     { "g0", offsetof(CPUState, gregs[0]) },
1733     { "g1", offsetof(CPUState, gregs[1]) },
1734     { "g2", offsetof(CPUState, gregs[2]) },
1735     { "g3", offsetof(CPUState, gregs[3]) },
1736     { "g4", offsetof(CPUState, gregs[4]) },
1737     { "g5", offsetof(CPUState, gregs[5]) },
1738     { "g6", offsetof(CPUState, gregs[6]) },
1739     { "g7", offsetof(CPUState, gregs[7]) },
1740     { "o0", 0, monitor_get_reg },
1741     { "o1", 1, monitor_get_reg },
1742     { "o2", 2, monitor_get_reg },
1743     { "o3", 3, monitor_get_reg },
1744     { "o4", 4, monitor_get_reg },
1745     { "o5", 5, monitor_get_reg },
1746     { "o6", 6, monitor_get_reg },
1747     { "o7", 7, monitor_get_reg },
1748     { "l0", 8, monitor_get_reg },
1749     { "l1", 9, monitor_get_reg },
1750     { "l2", 10, monitor_get_reg },
1751     { "l3", 11, monitor_get_reg },
1752     { "l4", 12, monitor_get_reg },
1753     { "l5", 13, monitor_get_reg },
1754     { "l6", 14, monitor_get_reg },
1755     { "l7", 15, monitor_get_reg },
1756     { "i0", 16, monitor_get_reg },
1757     { "i1", 17, monitor_get_reg },
1758     { "i2", 18, monitor_get_reg },
1759     { "i3", 19, monitor_get_reg },
1760     { "i4", 20, monitor_get_reg },
1761     { "i5", 21, monitor_get_reg },
1762     { "i6", 22, monitor_get_reg },
1763     { "i7", 23, monitor_get_reg },
1764     { "pc", offsetof(CPUState, pc) },
1765     { "npc", offsetof(CPUState, npc) },
1766     { "y", offsetof(CPUState, y) },
1767 #ifndef TARGET_SPARC64
1768     { "psr", 0, &monitor_get_psr, },
1769     { "wim", offsetof(CPUState, wim) },
1770 #endif
1771     { "tbr", offsetof(CPUState, tbr) },
1772     { "fsr", offsetof(CPUState, fsr) },
1773     { "f0", offsetof(CPUState, fpr[0]) },
1774     { "f1", offsetof(CPUState, fpr[1]) },
1775     { "f2", offsetof(CPUState, fpr[2]) },
1776     { "f3", offsetof(CPUState, fpr[3]) },
1777     { "f4", offsetof(CPUState, fpr[4]) },
1778     { "f5", offsetof(CPUState, fpr[5]) },
1779     { "f6", offsetof(CPUState, fpr[6]) },
1780     { "f7", offsetof(CPUState, fpr[7]) },
1781     { "f8", offsetof(CPUState, fpr[8]) },
1782     { "f9", offsetof(CPUState, fpr[9]) },
1783     { "f10", offsetof(CPUState, fpr[10]) },
1784     { "f11", offsetof(CPUState, fpr[11]) },
1785     { "f12", offsetof(CPUState, fpr[12]) },
1786     { "f13", offsetof(CPUState, fpr[13]) },
1787     { "f14", offsetof(CPUState, fpr[14]) },
1788     { "f15", offsetof(CPUState, fpr[15]) },
1789     { "f16", offsetof(CPUState, fpr[16]) },
1790     { "f17", offsetof(CPUState, fpr[17]) },
1791     { "f18", offsetof(CPUState, fpr[18]) },
1792     { "f19", offsetof(CPUState, fpr[19]) },
1793     { "f20", offsetof(CPUState, fpr[20]) },
1794     { "f21", offsetof(CPUState, fpr[21]) },
1795     { "f22", offsetof(CPUState, fpr[22]) },
1796     { "f23", offsetof(CPUState, fpr[23]) },
1797     { "f24", offsetof(CPUState, fpr[24]) },
1798     { "f25", offsetof(CPUState, fpr[25]) },
1799     { "f26", offsetof(CPUState, fpr[26]) },
1800     { "f27", offsetof(CPUState, fpr[27]) },
1801     { "f28", offsetof(CPUState, fpr[28]) },
1802     { "f29", offsetof(CPUState, fpr[29]) },
1803     { "f30", offsetof(CPUState, fpr[30]) },
1804     { "f31", offsetof(CPUState, fpr[31]) },
1805 #ifdef TARGET_SPARC64
1806     { "f32", offsetof(CPUState, fpr[32]) },
1807     { "f34", offsetof(CPUState, fpr[34]) },
1808     { "f36", offsetof(CPUState, fpr[36]) },
1809     { "f38", offsetof(CPUState, fpr[38]) },
1810     { "f40", offsetof(CPUState, fpr[40]) },
1811     { "f42", offsetof(CPUState, fpr[42]) },
1812     { "f44", offsetof(CPUState, fpr[44]) },
1813     { "f46", offsetof(CPUState, fpr[46]) },
1814     { "f48", offsetof(CPUState, fpr[48]) },
1815     { "f50", offsetof(CPUState, fpr[50]) },
1816     { "f52", offsetof(CPUState, fpr[52]) },
1817     { "f54", offsetof(CPUState, fpr[54]) },
1818     { "f56", offsetof(CPUState, fpr[56]) },
1819     { "f58", offsetof(CPUState, fpr[58]) },
1820     { "f60", offsetof(CPUState, fpr[60]) },
1821     { "f62", offsetof(CPUState, fpr[62]) },
1822     { "asi", offsetof(CPUState, asi) },
1823     { "pstate", offsetof(CPUState, pstate) },
1824     { "cansave", offsetof(CPUState, cansave) },
1825     { "canrestore", offsetof(CPUState, canrestore) },
1826     { "otherwin", offsetof(CPUState, otherwin) },
1827     { "wstate", offsetof(CPUState, wstate) },
1828     { "cleanwin", offsetof(CPUState, cleanwin) },
1829     { "fprs", offsetof(CPUState, fprs) },
1830 #endif
1831 #endif
1832     { NULL },
1833 };
1834
1835 static void expr_error(const char *fmt)
1836 {
1837     term_printf(fmt);
1838     term_printf("\n");
1839     longjmp(expr_env, 1);
1840 }
1841
1842 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
1843 static int get_monitor_def(target_long *pval, const char *name)
1844 {
1845     MonitorDef *md;
1846     void *ptr;
1847
1848     for(md = monitor_defs; md->name != NULL; md++) {
1849         if (compare_cmd(name, md->name)) {
1850             if (md->get_value) {
1851                 *pval = md->get_value(md, md->offset);
1852             } else {
1853                 CPUState *env = mon_get_cpu();
1854                 if (!env)
1855                     return -2;
1856                 ptr = (uint8_t *)env + md->offset;
1857                 switch(md->type) {
1858                 case MD_I32:
1859                     *pval = *(int32_t *)ptr;
1860                     break;
1861                 case MD_TLONG:
1862                     *pval = *(target_long *)ptr;
1863                     break;
1864                 default:
1865                     *pval = 0;
1866                     break;
1867                 }
1868             }
1869             return 0;
1870         }
1871     }
1872     return -1;
1873 }
1874
1875 static void next(void)
1876 {
1877     if (pch != '\0') {
1878         pch++;
1879         while (isspace(*pch))
1880             pch++;
1881     }
1882 }
1883
1884 static int64_t expr_sum(void);
1885
1886 static int64_t expr_unary(void)
1887 {
1888     int64_t n;
1889     char *p;
1890     int ret;
1891
1892     switch(*pch) {
1893     case '+':
1894         next();
1895         n = expr_unary();
1896         break;
1897     case '-':
1898         next();
1899         n = -expr_unary();
1900         break;
1901     case '~':
1902         next();
1903         n = ~expr_unary();
1904         break;
1905     case '(':
1906         next();
1907         n = expr_sum();
1908         if (*pch != ')') {
1909             expr_error("')' expected");
1910         }
1911         next();
1912         break;
1913     case '\'':
1914         pch++;
1915         if (*pch == '\0')
1916             expr_error("character constant expected");
1917         n = *pch;
1918         pch++;
1919         if (*pch != '\'')
1920             expr_error("missing terminating \' character");
1921         next();
1922         break;
1923     case '$':
1924         {
1925             char buf[128], *q;
1926             target_long reg=0;
1927
1928             pch++;
1929             q = buf;
1930             while ((*pch >= 'a' && *pch <= 'z') ||
1931                    (*pch >= 'A' && *pch <= 'Z') ||
1932                    (*pch >= '0' && *pch <= '9') ||
1933                    *pch == '_' || *pch == '.') {
1934                 if ((q - buf) < sizeof(buf) - 1)
1935                     *q++ = *pch;
1936                 pch++;
1937             }
1938             while (isspace(*pch))
1939                 pch++;
1940             *q = 0;
1941             ret = get_monitor_def(&reg, buf);
1942             if (ret == -1)
1943                 expr_error("unknown register");
1944             else if (ret == -2)
1945                 expr_error("no cpu defined");
1946             n = reg;
1947         }
1948         break;
1949     case '\0':
1950         expr_error("unexpected end of expression");
1951         n = 0;
1952         break;
1953     default:
1954 #if TARGET_PHYS_ADDR_BITS > 32
1955         n = strtoull(pch, &p, 0);
1956 #else
1957         n = strtoul(pch, &p, 0);
1958 #endif
1959         if (pch == p) {
1960             expr_error("invalid char in expression");
1961         }
1962         pch = p;
1963         while (isspace(*pch))
1964             pch++;
1965         break;
1966     }
1967     return n;
1968 }
1969
1970
1971 static int64_t expr_prod(void)
1972 {
1973     int64_t val, val2;
1974     int op;
1975
1976     val = expr_unary();
1977     for(;;) {
1978         op = *pch;
1979         if (op != '*' && op != '/' && op != '%')
1980             break;
1981         next();
1982         val2 = expr_unary();
1983         switch(op) {
1984         default:
1985         case '*':
1986             val *= val2;
1987             break;
1988         case '/':
1989         case '%':
1990             if (val2 == 0)
1991                 expr_error("division by zero");
1992             if (op == '/')
1993                 val /= val2;
1994             else
1995                 val %= val2;
1996             break;
1997         }
1998     }
1999     return val;
2000 }
2001
2002 static int64_t expr_logic(void)
2003 {
2004     int64_t val, val2;
2005     int op;
2006
2007     val = expr_prod();
2008     for(;;) {
2009         op = *pch;
2010         if (op != '&' && op != '|' && op != '^')
2011             break;
2012         next();
2013         val2 = expr_prod();
2014         switch(op) {
2015         default:
2016         case '&':
2017             val &= val2;
2018             break;
2019         case '|':
2020             val |= val2;
2021             break;
2022         case '^':
2023             val ^= val2;
2024             break;
2025         }
2026     }
2027     return val;
2028 }
2029
2030 static int64_t expr_sum(void)
2031 {
2032     int64_t val, val2;
2033     int op;
2034
2035     val = expr_logic();
2036     for(;;) {
2037         op = *pch;
2038         if (op != '+' && op != '-')
2039             break;
2040         next();
2041         val2 = expr_logic();
2042         if (op == '+')
2043             val += val2;
2044         else
2045             val -= val2;
2046     }
2047     return val;
2048 }
2049
2050 static int get_expr(int64_t *pval, const char **pp)
2051 {
2052     pch = *pp;
2053     if (setjmp(expr_env)) {
2054         *pp = pch;
2055         return -1;
2056     }
2057     while (isspace(*pch))
2058         pch++;
2059     *pval = expr_sum();
2060     *pp = pch;
2061     return 0;
2062 }
2063
2064 static int get_str(char *buf, int buf_size, const char **pp)
2065 {
2066     const char *p;
2067     char *q;
2068     int c;
2069
2070     q = buf;
2071     p = *pp;
2072     while (isspace(*p))
2073         p++;
2074     if (*p == '\0') {
2075     fail:
2076         *q = '\0';
2077         *pp = p;
2078         return -1;
2079     }
2080     if (*p == '\"') {
2081         p++;
2082         while (*p != '\0' && *p != '\"') {
2083             if (*p == '\\') {
2084                 p++;
2085                 c = *p++;
2086                 switch(c) {
2087                 case 'n':
2088                     c = '\n';
2089                     break;
2090                 case 'r':
2091                     c = '\r';
2092                     break;
2093                 case '\\':
2094                 case '\'':
2095                 case '\"':
2096                     break;
2097                 default:
2098                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2099                     goto fail;
2100                 }
2101                 if ((q - buf) < buf_size - 1) {
2102                     *q++ = c;
2103                 }
2104             } else {
2105                 if ((q - buf) < buf_size - 1) {
2106                     *q++ = *p;
2107                 }
2108                 p++;
2109             }
2110         }
2111         if (*p != '\"') {
2112             qemu_printf("unterminated string\n");
2113             goto fail;
2114         }
2115         p++;
2116     } else {
2117         while (*p != '\0' && !isspace(*p)) {
2118             if ((q - buf) < buf_size - 1) {
2119                 *q++ = *p;
2120             }
2121             p++;
2122         }
2123     }
2124     *q = '\0';
2125     *pp = p;
2126     return 0;
2127 }
2128
2129 static int default_fmt_format = 'x';
2130 static int default_fmt_size = 4;
2131
2132 #define MAX_ARGS 16
2133
2134 static void monitor_handle_command(const char *cmdline)
2135 {
2136     const char *p, *pstart, *typestr;
2137     char *q;
2138     int c, nb_args, len, i, has_arg;
2139     term_cmd_t *cmd;
2140     char cmdname[256];
2141     char buf[1024];
2142     void *str_allocated[MAX_ARGS];
2143     void *args[MAX_ARGS];
2144
2145 #ifdef DEBUG
2146     term_printf("command='%s'\n", cmdline);
2147 #endif
2148
2149     /* extract the command name */
2150     p = cmdline;
2151     q = cmdname;
2152     while (isspace(*p))
2153         p++;
2154     if (*p == '\0')
2155         return;
2156     pstart = p;
2157     while (*p != '\0' && *p != '/' && !isspace(*p))
2158         p++;
2159     len = p - pstart;
2160     if (len > sizeof(cmdname) - 1)
2161         len = sizeof(cmdname) - 1;
2162     memcpy(cmdname, pstart, len);
2163     cmdname[len] = '\0';
2164
2165     /* find the command */
2166     for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2167         if (compare_cmd(cmdname, cmd->name))
2168             goto found;
2169     }
2170     term_printf("unknown command: '%s'\n", cmdname);
2171     return;
2172  found:
2173
2174     for(i = 0; i < MAX_ARGS; i++)
2175         str_allocated[i] = NULL;
2176
2177     /* parse the parameters */
2178     typestr = cmd->args_type;
2179     nb_args = 0;
2180     for(;;) {
2181         c = *typestr;
2182         if (c == '\0')
2183             break;
2184         typestr++;
2185         switch(c) {
2186         case 'F':
2187         case 'B':
2188         case 's':
2189             {
2190                 int ret;
2191                 char *str;
2192
2193                 while (isspace(*p))
2194                     p++;
2195                 if (*typestr == '?') {
2196                     typestr++;
2197                     if (*p == '\0') {
2198                         /* no optional string: NULL argument */
2199                         str = NULL;
2200                         goto add_str;
2201                     }
2202                 }
2203                 ret = get_str(buf, sizeof(buf), &p);
2204                 if (ret < 0) {
2205                     switch(c) {
2206                     case 'F':
2207                         term_printf("%s: filename expected\n", cmdname);
2208                         break;
2209                     case 'B':
2210                         term_printf("%s: block device name expected\n", cmdname);
2211                         break;
2212                     default:
2213                         term_printf("%s: string expected\n", cmdname);
2214                         break;
2215                     }
2216                     goto fail;
2217                 }
2218                 str = qemu_malloc(strlen(buf) + 1);
2219                 strcpy(str, buf);
2220                 str_allocated[nb_args] = str;
2221             add_str:
2222                 if (nb_args >= MAX_ARGS) {
2223                 error_args:
2224                     term_printf("%s: too many arguments\n", cmdname);
2225                     goto fail;
2226                 }
2227                 args[nb_args++] = str;
2228             }
2229             break;
2230         case '/':
2231             {
2232                 int count, format, size;
2233
2234                 while (isspace(*p))
2235                     p++;
2236                 if (*p == '/') {
2237                     /* format found */
2238                     p++;
2239                     count = 1;
2240                     if (isdigit(*p)) {
2241                         count = 0;
2242                         while (isdigit(*p)) {
2243                             count = count * 10 + (*p - '0');
2244                             p++;
2245                         }
2246                     }
2247                     size = -1;
2248                     format = -1;
2249                     for(;;) {
2250                         switch(*p) {
2251                         case 'o':
2252                         case 'd':
2253                         case 'u':
2254                         case 'x':
2255                         case 'i':
2256                         case 'c':
2257                             format = *p++;
2258                             break;
2259                         case 'b':
2260                             size = 1;
2261                             p++;
2262                             break;
2263                         case 'h':
2264                             size = 2;
2265                             p++;
2266                             break;
2267                         case 'w':
2268                             size = 4;
2269                             p++;
2270                             break;
2271                         case 'g':
2272                         case 'L':
2273                             size = 8;
2274                             p++;
2275                             break;
2276                         default:
2277                             goto next;
2278                         }
2279                     }
2280                 next:
2281                     if (*p != '\0' && !isspace(*p)) {
2282                         term_printf("invalid char in format: '%c'\n", *p);
2283                         goto fail;
2284                     }
2285                     if (format < 0)
2286                         format = default_fmt_format;
2287                     if (format != 'i') {
2288                         /* for 'i', not specifying a size gives -1 as size */
2289                         if (size < 0)
2290                             size = default_fmt_size;
2291                     }
2292                     default_fmt_size = size;
2293                     default_fmt_format = format;
2294                 } else {
2295                     count = 1;
2296                     format = default_fmt_format;
2297                     if (format != 'i') {
2298                         size = default_fmt_size;
2299                     } else {
2300                         size = -1;
2301                     }
2302                 }
2303                 if (nb_args + 3 > MAX_ARGS)
2304                     goto error_args;
2305                 args[nb_args++] = (void*)(long)count;
2306                 args[nb_args++] = (void*)(long)format;
2307                 args[nb_args++] = (void*)(long)size;
2308             }
2309             break;
2310         case 'i':
2311         case 'l':
2312             {
2313                 int64_t val;
2314
2315                 while (isspace(*p))
2316                     p++;
2317                 if (*typestr == '?' || *typestr == '.') {
2318                     if (*typestr == '?') {
2319                         if (*p == '\0')
2320                             has_arg = 0;
2321                         else
2322                             has_arg = 1;
2323                     } else {
2324                         if (*p == '.') {
2325                             p++;
2326                             while (isspace(*p))
2327                                 p++;
2328                             has_arg = 1;
2329                         } else {
2330                             has_arg = 0;
2331                         }
2332                     }
2333                     typestr++;
2334                     if (nb_args >= MAX_ARGS)
2335                         goto error_args;
2336                     args[nb_args++] = (void *)(long)has_arg;
2337                     if (!has_arg) {
2338                         if (nb_args >= MAX_ARGS)
2339                             goto error_args;
2340                         val = -1;
2341                         goto add_num;
2342                     }
2343                 }
2344                 if (get_expr(&val, &p))
2345                     goto fail;
2346             add_num:
2347                 if (c == 'i') {
2348                     if (nb_args >= MAX_ARGS)
2349                         goto error_args;
2350                     args[nb_args++] = (void *)(long)val;
2351                 } else {
2352                     if ((nb_args + 1) >= MAX_ARGS)
2353                         goto error_args;
2354 #if TARGET_PHYS_ADDR_BITS > 32
2355                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2356 #else
2357                     args[nb_args++] = (void *)0;
2358 #endif
2359                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2360                 }
2361             }
2362             break;
2363         case '-':
2364             {
2365                 int has_option;
2366                 /* option */
2367
2368                 c = *typestr++;
2369                 if (c == '\0')
2370                     goto bad_type;
2371                 while (isspace(*p))
2372                     p++;
2373                 has_option = 0;
2374                 if (*p == '-') {
2375                     p++;
2376                     if (*p != c) {
2377                         term_printf("%s: unsupported option -%c\n",
2378                                     cmdname, *p);
2379                         goto fail;
2380                     }
2381                     p++;
2382                     has_option = 1;
2383                 }
2384                 if (nb_args >= MAX_ARGS)
2385                     goto error_args;
2386                 args[nb_args++] = (void *)(long)has_option;
2387             }
2388             break;
2389         default:
2390         bad_type:
2391             term_printf("%s: unknown type '%c'\n", cmdname, c);
2392             goto fail;
2393         }
2394     }
2395     /* check that all arguments were parsed */
2396     while (isspace(*p))
2397         p++;
2398     if (*p != '\0') {
2399         term_printf("%s: extraneous characters at the end of line\n",
2400                     cmdname);
2401         goto fail;
2402     }
2403
2404     switch(nb_args) {
2405     case 0:
2406         cmd->handler();
2407         break;
2408     case 1:
2409         cmd->handler(args[0]);
2410         break;
2411     case 2:
2412         cmd->handler(args[0], args[1]);
2413         break;
2414     case 3:
2415         cmd->handler(args[0], args[1], args[2]);
2416         break;
2417     case 4:
2418         cmd->handler(args[0], args[1], args[2], args[3]);
2419         break;
2420     case 5:
2421         cmd->handler(args[0], args[1], args[2], args[3], args[4]);
2422         break;
2423     case 6:
2424         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
2425         break;
2426     case 7:
2427         cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
2428         break;
2429     default:
2430         term_printf("unsupported number of arguments: %d\n", nb_args);
2431         goto fail;
2432     }
2433  fail:
2434     for(i = 0; i < MAX_ARGS; i++)
2435         qemu_free(str_allocated[i]);
2436     return;
2437 }
2438
2439 static void cmd_completion(const char *name, const char *list)
2440 {
2441     const char *p, *pstart;
2442     char cmd[128];
2443     int len;
2444
2445     p = list;
2446     for(;;) {
2447         pstart = p;
2448         p = strchr(p, '|');
2449         if (!p)
2450             p = pstart + strlen(pstart);
2451         len = p - pstart;
2452         if (len > sizeof(cmd) - 2)
2453             len = sizeof(cmd) - 2;
2454         memcpy(cmd, pstart, len);
2455         cmd[len] = '\0';
2456         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2457             add_completion(cmd);
2458         }
2459         if (*p == '\0')
2460             break;
2461         p++;
2462     }
2463 }
2464
2465 static void file_completion(const char *input)
2466 {
2467     DIR *ffs;
2468     struct dirent *d;
2469     char path[1024];
2470     char file[1024], file_prefix[1024];
2471     int input_path_len;
2472     const char *p;
2473
2474     p = strrchr(input, '/');
2475     if (!p) {
2476         input_path_len = 0;
2477         pstrcpy(file_prefix, sizeof(file_prefix), input);
2478         strcpy(path, ".");
2479     } else {
2480         input_path_len = p - input + 1;
2481         memcpy(path, input, input_path_len);
2482         if (input_path_len > sizeof(path) - 1)
2483             input_path_len = sizeof(path) - 1;
2484         path[input_path_len] = '\0';
2485         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2486     }
2487 #ifdef DEBUG_COMPLETION
2488     term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
2489 #endif
2490     ffs = opendir(path);
2491     if (!ffs)
2492         return;
2493     for(;;) {
2494         struct stat sb;
2495         d = readdir(ffs);
2496         if (!d)
2497             break;
2498         if (strstart(d->d_name, file_prefix, NULL)) {
2499             memcpy(file, input, input_path_len);
2500             strcpy(file + input_path_len, d->d_name);
2501             /* stat the file to find out if it's a directory.
2502              * In that case add a slash to speed up typing long paths
2503              */
2504             stat(file, &sb);
2505             if(S_ISDIR(sb.st_mode))
2506                 strcat(file, "/");
2507             add_completion(file);
2508         }
2509     }
2510     closedir(ffs);
2511 }
2512
2513 static void block_completion_it(void *opaque, const char *name)
2514 {
2515     const char *input = opaque;
2516
2517     if (input[0] == '\0' ||
2518         !strncmp(name, (char *)input, strlen(input))) {
2519         add_completion(name);
2520     }
2521 }
2522
2523 /* NOTE: this parser is an approximate form of the real command parser */
2524 static void parse_cmdline(const char *cmdline,
2525                          int *pnb_args, char **args)
2526 {
2527     const char *p;
2528     int nb_args, ret;
2529     char buf[1024];
2530
2531     p = cmdline;
2532     nb_args = 0;
2533     for(;;) {
2534         while (isspace(*p))
2535             p++;
2536         if (*p == '\0')
2537             break;
2538         if (nb_args >= MAX_ARGS)
2539             break;
2540         ret = get_str(buf, sizeof(buf), &p);
2541         args[nb_args] = qemu_strdup(buf);
2542         nb_args++;
2543         if (ret < 0)
2544             break;
2545     }
2546     *pnb_args = nb_args;
2547 }
2548
2549 void readline_find_completion(const char *cmdline)
2550 {
2551     const char *cmdname;
2552     char *args[MAX_ARGS];
2553     int nb_args, i, len;
2554     const char *ptype, *str;
2555     term_cmd_t *cmd;
2556     const KeyDef *key;
2557
2558     parse_cmdline(cmdline, &nb_args, args);
2559 #ifdef DEBUG_COMPLETION
2560     for(i = 0; i < nb_args; i++) {
2561         term_printf("arg%d = '%s'\n", i, (char *)args[i]);
2562     }
2563 #endif
2564
2565     /* if the line ends with a space, it means we want to complete the
2566        next arg */
2567     len = strlen(cmdline);
2568     if (len > 0 && isspace(cmdline[len - 1])) {
2569         if (nb_args >= MAX_ARGS)
2570             return;
2571         args[nb_args++] = qemu_strdup("");
2572     }
2573     if (nb_args <= 1) {
2574         /* command completion */
2575         if (nb_args == 0)
2576             cmdname = "";
2577         else
2578             cmdname = args[0];
2579         completion_index = strlen(cmdname);
2580         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2581             cmd_completion(cmdname, cmd->name);
2582         }
2583     } else {
2584         /* find the command */
2585         for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2586             if (compare_cmd(args[0], cmd->name))
2587                 goto found;
2588         }
2589         return;
2590     found:
2591         ptype = cmd->args_type;
2592         for(i = 0; i < nb_args - 2; i++) {
2593             if (*ptype != '\0') {
2594                 ptype++;
2595                 while (*ptype == '?')
2596                     ptype++;
2597             }
2598         }
2599         str = args[nb_args - 1];
2600         switch(*ptype) {
2601         case 'F':
2602             /* file completion */
2603             completion_index = strlen(str);
2604             file_completion(str);
2605             break;
2606         case 'B':
2607             /* block device name completion */
2608             completion_index = strlen(str);
2609             bdrv_iterate(block_completion_it, (void *)str);
2610             break;
2611         case 's':
2612             /* XXX: more generic ? */
2613             if (!strcmp(cmd->name, "info")) {
2614                 completion_index = strlen(str);
2615                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2616                     cmd_completion(str, cmd->name);
2617                 }
2618             } else if (!strcmp(cmd->name, "sendkey")) {
2619                 completion_index = strlen(str);
2620                 for(key = key_defs; key->name != NULL; key++) {
2621                     cmd_completion(str, key->name);
2622                 }
2623             }
2624             break;
2625         default:
2626             break;
2627         }
2628     }
2629     for(i = 0; i < nb_args; i++)
2630         qemu_free(args[i]);
2631 }
2632
2633 static int term_can_read(void *opaque)
2634 {
2635     return 128;
2636 }
2637
2638 static void term_read(void *opaque, const uint8_t *buf, int size)
2639 {
2640     int i;
2641     for(i = 0; i < size; i++)
2642         readline_handle_byte(buf[i]);
2643 }
2644
2645 static void monitor_start_input(void);
2646
2647 static void monitor_handle_command1(void *opaque, const char *cmdline)
2648 {
2649     monitor_handle_command(cmdline);
2650     monitor_start_input();
2651 }
2652
2653 static void monitor_start_input(void)
2654 {
2655     readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
2656 }
2657
2658 static void term_event(void *opaque, int event)
2659 {
2660     if (event != CHR_EVENT_RESET)
2661         return;
2662
2663     if (!hide_banner)
2664             term_printf("QEMU %s monitor - type 'help' for more information\n",
2665                         QEMU_VERSION);
2666     monitor_start_input();
2667 }
2668
2669 static int is_first_init = 1;
2670
2671 void monitor_init(CharDriverState *hd, int show_banner)
2672 {
2673     int i;
2674
2675     if (is_first_init) {
2676         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
2677         if (!key_timer)
2678             return;
2679         for (i = 0; i < MAX_MON; i++) {
2680             monitor_hd[i] = NULL;
2681         }
2682         is_first_init = 0;
2683     }
2684     for (i = 0; i < MAX_MON; i++) {
2685         if (monitor_hd[i] == NULL) {
2686             monitor_hd[i] = hd;
2687             break;
2688         }
2689     }
2690
2691     hide_banner = !show_banner;
2692
2693     qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2694
2695     readline_start("", 0, monitor_handle_command1, NULL);
2696 }
2697
2698 /* XXX: use threads ? */
2699 /* modal monitor readline */
2700 static int monitor_readline_started;
2701 static char *monitor_readline_buf;
2702 static int monitor_readline_buf_size;
2703
2704 static void monitor_readline_cb(void *opaque, const char *input)
2705 {
2706     pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
2707     monitor_readline_started = 0;
2708 }
2709
2710 void monitor_readline(const char *prompt, int is_password,
2711                       char *buf, int buf_size)
2712 {
2713     int i;
2714
2715     if (is_password) {
2716         for (i = 0; i < MAX_MON; i++)
2717             if (monitor_hd[i] && monitor_hd[i]->focus == 0)
2718                 qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2719     }
2720     readline_start(prompt, is_password, monitor_readline_cb, NULL);
2721     monitor_readline_buf = buf;
2722     monitor_readline_buf_size = buf_size;
2723     monitor_readline_started = 1;
2724     while (monitor_readline_started) {
2725         main_loop_wait(10);
2726     }
2727 }