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 "monitor.h"
  34 #include "readline.h"
  35 #include "console.h"
  36 #include "block.h"
  37 #include "audio/audio.h"
  38 #include "disas.h"
  39 #include "balloon.h"
  40 #include <dirent.h>
  41 #include "qemu-timer.h"
  42 #include "migration.h"
  43 #include "kvm.h"
  44
  45 //#define DEBUG
  46 //#define DEBUG_COMPLETION
  47
  48 /*
  49  * Supported types:
  50  *
  51  * 'F'          filename
  52  * 'B'          block device name
  53  * 's'          string (accept optional quote)
  54  * 'i'          32 bit integer
  55  * 'l'          target long (32 or 64 bit)
  56  * '/'          optional gdb-like print format (like "/10x")
  57  *
  58  * '?'          optional type (for 'F', 's' and 'i')
  59  *
  60  */
  61
  62 typedef struct mon_cmd_t {
  63     const char *name;
  64     const char *args_type;
  65     void *handler;
  66     const char *params;
  67     const char *help;
  68 } mon_cmd_t;
  69
  70 struct Monitor {
  71     CharDriverState *chr;
  72     LIST_ENTRY(Monitor) entry;
  73 };
  74
  75 static LIST_HEAD(mon_list, Monitor) mon_list;
  76 static int hide_banner;
  77
  78 static const mon_cmd_t mon_cmds[];
  79 static const mon_cmd_t info_cmds[];
  80
  81 static uint8_t term_outbuf[1024];
  82 static int term_outbuf_index;
  83 static BlockDriverCompletionFunc *password_completion_cb;
  84 static void *password_opaque;
  85
  86 Monitor *cur_mon = NULL;
  87
  88 static void monitor_start_input(void);
  89
  90 static CPUState *mon_cpu = NULL;
  91
  92 static void monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
  93                                   void *opaque)
  94 {
  95     readline_start("Password: ", 1, readline_func, opaque);
  96 }
  97
  98 void monitor_flush(Monitor *mon)
  99 {
 100     Monitor *m;
 101
 102     if (term_outbuf_index > 0) {
 103         LIST_FOREACH(m, &mon_list, entry) {
 104             if (m->chr->focus == 0)
 105                 qemu_chr_write(m->chr, term_outbuf, term_outbuf_index);
 106         }
 107         term_outbuf_index = 0;
 108     }
 109 }
 110
 111 /* flush at every end of line or if the buffer is full */
 112 static void monitor_puts(Monitor *mon, const char *str)
 113 {
 114     char c;
 115     for(;;) {
 116         c = *str++;
 117         if (c == '\0')
 118             break;
 119         if (c == '\n')
 120             term_outbuf[term_outbuf_index++] = '\r';
 121         term_outbuf[term_outbuf_index++] = c;
 122         if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
 123             c == '\n')
 124             monitor_flush(mon);
 125     }
 126 }
 127
 128 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 129 {
 130     char buf[4096];
 131     vsnprintf(buf, sizeof(buf), fmt, ap);
 132     monitor_puts(mon, buf);
 133 }
 134
 135 void monitor_printf(Monitor *mon, const char *fmt, ...)
 136 {
 137     va_list ap;
 138     va_start(ap, fmt);
 139     monitor_vprintf(mon, fmt, ap);
 140     va_end(ap);
 141 }
 142
 143 void monitor_print_filename(Monitor *mon, const char *filename)
 144 {
 145     int i;
 146
 147     for (i = 0; filename[i]; i++) {
 148         switch (filename[i]) {
 149         case ' ':
 150         case '"':
 151         case '\\':
 152             monitor_printf(mon, "\\%c", filename[i]);
 153             break;
 154         case '\t':
 155             monitor_printf(mon, "\\t");
 156             break;
 157         case '\r':
 158             monitor_printf(mon, "\\r");
 159             break;
 160         case '\n':
 161             monitor_printf(mon, "\\n");
 162             break;
 163         default:
 164             monitor_printf(mon, "%c", filename[i]);
 165             break;
 166         }
 167     }
 168 }
 169
 170 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 171 {
 172     va_list ap;
 173     va_start(ap, fmt);
 174     monitor_vprintf((Monitor *)stream, fmt, ap);
 175     va_end(ap);
 176     return 0;
 177 }
 178
 179 static int compare_cmd(const char *name, const char *list)
 180 {
 181     const char *p, *pstart;
 182     int len;
 183     len = strlen(name);
 184     p = list;
 185     for(;;) {
 186         pstart = p;
 187         p = strchr(p, '|');
 188         if (!p)
 189             p = pstart + strlen(pstart);
 190         if ((p - pstart) == len && !memcmp(pstart, name, len))
 191             return 1;
 192         if (*p == '\0')
 193             break;
 194         p++;
 195     }
 196     return 0;
 197 }
 198
 199 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 200                           const char *prefix, const char *name)
 201 {
 202     const mon_cmd_t *cmd;
 203
 204     for(cmd = cmds; cmd->name != NULL; cmd++) {
 205         if (!name || !strcmp(name, cmd->name))
 206             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 207                            cmd->params, cmd->help);
 208     }
 209 }
 210
 211 static void help_cmd(Monitor *mon, const char *name)
 212 {
 213     if (name && !strcmp(name, "info")) {
 214         help_cmd_dump(mon, info_cmds, "info ", NULL);
 215     } else {
 216         help_cmd_dump(mon, mon_cmds, "", name);
 217         if (name && !strcmp(name, "log")) {
 218             const CPULogItem *item;
 219             monitor_printf(mon, "Log items (comma separated):\n");
 220             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 221             for(item = cpu_log_items; item->mask != 0; item++) {
 222                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 223             }
 224         }
 225     }
 226 }
 227
 228 static void do_commit(Monitor *mon, const char *device)
 229 {
 230     int i, all_devices;
 231
 232     all_devices = !strcmp(device, "all");
 233     for (i = 0; i < nb_drives; i++) {
 234             if (all_devices ||
 235                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 236                 bdrv_commit(drives_table[i].bdrv);
 237     }
 238 }
 239
 240 static void do_info(Monitor *mon, const char *item)
 241 {
 242     const mon_cmd_t *cmd;
 243     void (*handler)(Monitor *);
 244
 245     if (!item)
 246         goto help;
 247     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 248         if (compare_cmd(item, cmd->name))
 249             goto found;
 250     }
 251  help:
 252     help_cmd(mon, "info");
 253     return;
 254  found:
 255     handler = cmd->handler;
 256     handler(mon);
 257 }
 258
 259 static void do_info_version(Monitor *mon)
 260 {
 261     monitor_printf(mon, "%s\n", QEMU_VERSION);
 262 }
 263
 264 static void do_info_name(Monitor *mon)
 265 {
 266     if (qemu_name)
 267         monitor_printf(mon, "%s\n", qemu_name);
 268 }
 269
 270 #if defined(TARGET_I386)
 271 static void do_info_hpet(Monitor *mon)
 272 {
 273     monitor_printf(mon, "HPET is %s by QEMU\n",
 274                    (no_hpet) ? "disabled" : "enabled");
 275 }
 276 #endif
 277
 278 static void do_info_uuid(Monitor *mon)
 279 {
 280     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 281                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 282                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 283                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 284                    qemu_uuid[14], qemu_uuid[15]);
 285 }
 286
 287 /* get the current CPU defined by the user */
 288 static int mon_set_cpu(int cpu_index)
 289 {
 290     CPUState *env;
 291
 292     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 293         if (env->cpu_index == cpu_index) {
 294             mon_cpu = env;
 295             return 0;
 296         }
 297     }
 298     return -1;
 299 }
 300
 301 static CPUState *mon_get_cpu(void)
 302 {
 303     if (!mon_cpu) {
 304         mon_set_cpu(0);
 305     }
 306     return mon_cpu;
 307 }
 308
 309 static void do_info_registers(Monitor *mon)
 310 {
 311     CPUState *env;
 312     env = mon_get_cpu();
 313     if (!env)
 314         return;
 315 #ifdef TARGET_I386
 316     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 317                    X86_DUMP_FPU);
 318 #else
 319     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 320                    0);
 321 #endif
 322 }
 323
 324 static void do_info_cpus(Monitor *mon)
 325 {
 326     CPUState *env;
 327
 328     /* just to set the default cpu if not already done */
 329     mon_get_cpu();
 330
 331     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 332         monitor_printf(mon, "%c CPU #%d:",
 333                        (env == mon_cpu) ? '*' : ' ',
 334                        env->cpu_index);
 335 #if defined(TARGET_I386)
 336         monitor_printf(mon, " pc=0x" TARGET_FMT_lx,
 337                        env->eip + env->segs[R_CS].base);
 338 #elif defined(TARGET_PPC)
 339         monitor_printf(mon, " nip=0x" TARGET_FMT_lx, env->nip);
 340 #elif defined(TARGET_SPARC)
 341         monitor_printf(mon, " pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx,
 342                        env->pc, env->npc);
 343 #elif defined(TARGET_MIPS)
 344         monitor_printf(mon, " PC=0x" TARGET_FMT_lx, env->active_tc.PC);
 345 #endif
 346         if (env->halted)
 347             monitor_printf(mon, " (halted)");
 348         monitor_printf(mon, "\n");
 349     }
 350 }
 351
 352 static void do_cpu_set(Monitor *mon, int index)
 353 {
 354     if (mon_set_cpu(index) < 0)
 355         monitor_printf(mon, "Invalid CPU index\n");
 356 }
 357
 358 static void do_info_jit(Monitor *mon)
 359 {
 360     dump_exec_info((FILE *)mon, monitor_fprintf);
 361 }
 362
 363 static void do_info_history(Monitor *mon)
 364 {
 365     int i;
 366     const char *str;
 367
 368     i = 0;
 369     for(;;) {
 370         str = readline_get_history(i);
 371         if (!str)
 372             break;
 373         monitor_printf(mon, "%d: '%s'\n", i, str);
 374         i++;
 375     }
 376 }
 377
 378 #if defined(TARGET_PPC)
 379 /* XXX: not implemented in other targets */
 380 static void do_info_cpu_stats(Monitor *mon)
 381 {
 382     CPUState *env;
 383
 384     env = mon_get_cpu();
 385     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 386 }
 387 #endif
 388
 389 static void do_quit(Monitor *mon)
 390 {
 391     exit(0);
 392 }
 393
 394 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 395 {
 396     if (bdrv_is_inserted(bs)) {
 397         if (!force) {
 398             if (!bdrv_is_removable(bs)) {
 399                 monitor_printf(mon, "device is not removable\n");
 400                 return -1;
 401             }
 402             if (bdrv_is_locked(bs)) {
 403                 monitor_printf(mon, "device is locked\n");
 404                 return -1;
 405             }
 406         }
 407         bdrv_close(bs);
 408     }
 409     return 0;
 410 }
 411
 412 static void do_eject(Monitor *mon, int force, const char *filename)
 413 {
 414     BlockDriverState *bs;
 415
 416     bs = bdrv_find(filename);
 417     if (!bs) {
 418         monitor_printf(mon, "device not found\n");
 419         return;
 420     }
 421     eject_device(mon, bs, force);
 422 }
 423
 424 static void do_change_block(Monitor *mon, const char *device,
 425                             const char *filename, const char *fmt)
 426 {
 427     BlockDriverState *bs;
 428     BlockDriver *drv = NULL;
 429
 430     bs = bdrv_find(device);
 431     if (!bs) {
 432         monitor_printf(mon, "device not found\n");
 433         return;
 434     }
 435     if (fmt) {
 436         drv = bdrv_find_format(fmt);
 437         if (!drv) {
 438             monitor_printf(mon, "invalid format %s\n", fmt);
 439             return;
 440         }
 441     }
 442     if (eject_device(mon, bs, 0) < 0)
 443         return;
 444     bdrv_open2(bs, filename, 0, drv);
 445     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 446 }
 447
 448 static void change_vnc_password_cb(Monitor *mon, const char *password,
 449                                    void *opaque)
 450 {
 451     if (vnc_display_password(NULL, password) < 0)
 452         monitor_printf(mon, "could not set VNC server password\n");
 453
 454     monitor_start_input();
 455 }
 456
 457 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 458 {
 459     if (strcmp(target, "passwd") == 0 ||
 460         strcmp(target, "password") == 0) {
 461         if (arg) {
 462             char password[9];
 463             strncpy(password, arg, sizeof(password));
 464             password[sizeof(password) - 1] = '\0';
 465             change_vnc_password_cb(mon, password, NULL);
 466         } else {
 467             monitor_read_password(mon, change_vnc_password_cb, NULL);
 468         }
 469     } else {
 470         if (vnc_display_open(NULL, target) < 0)
 471             monitor_printf(mon, "could not start VNC server on %s\n", target);
 472     }
 473 }
 474
 475 static void do_change(Monitor *mon, const char *device, const char *target,
 476                       const char *arg)
 477 {
 478     if (strcmp(device, "vnc") == 0) {
 479         do_change_vnc(mon, target, arg);
 480     } else {
 481         do_change_block(mon, device, target, arg);
 482     }
 483 }
 484
 485 static void do_screen_dump(Monitor *mon, const char *filename)
 486 {
 487     vga_hw_screen_dump(filename);
 488 }
 489
 490 static void do_logfile(Monitor *mon, const char *filename)
 491 {
 492     cpu_set_log_filename(filename);
 493 }
 494
 495 static void do_log(Monitor *mon, const char *items)
 496 {
 497     int mask;
 498
 499     if (!strcmp(items, "none")) {
 500         mask = 0;
 501     } else {
 502         mask = cpu_str_to_log_mask(items);
 503         if (!mask) {
 504             help_cmd(mon, "log");
 505             return;
 506         }
 507     }
 508     cpu_set_log(mask);
 509 }
 510
 511 static void do_stop(Monitor *mon)
 512 {
 513     vm_stop(EXCP_INTERRUPT);
 514 }
 515
 516 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 517
 518 struct bdrv_iterate_context {
 519     Monitor *mon;
 520     int err;
 521 };
 522
 523 static void do_cont(Monitor *mon)
 524 {
 525     struct bdrv_iterate_context context = { mon, 0 };
 526
 527     bdrv_iterate(encrypted_bdrv_it, &context);
 528     /* only resume the vm if all keys are set and valid */
 529     if (!context.err)
 530         vm_start();
 531 }
 532
 533 static void bdrv_key_cb(void *opaque, int err)
 534 {
 535     Monitor *mon = opaque;
 536
 537     /* another key was set successfully, retry to continue */
 538     if (!err)
 539         do_cont(mon);
 540 }
 541
 542 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 543 {
 544     struct bdrv_iterate_context *context = opaque;
 545
 546     if (!context->err && bdrv_key_required(bs)) {
 547         context->err = -EBUSY;
 548         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 549                                     context->mon);
 550     }
 551 }
 552
 553 #ifdef CONFIG_GDBSTUB
 554 static void do_gdbserver(Monitor *mon, const char *port)
 555 {
 556     if (!port)
 557         port = DEFAULT_GDBSTUB_PORT;
 558     if (gdbserver_start(port) < 0) {
 559         monitor_printf(mon, "Could not open gdbserver socket on port '%s'\n",
 560                        port);
 561     } else {
 562         monitor_printf(mon, "Waiting gdb connection on port '%s'\n", port);
 563     }
 564 }
 565 #endif
 566
 567 static void monitor_printc(Monitor *mon, int c)
 568 {
 569     monitor_printf(mon, "'");
 570     switch(c) {
 571     case '\'':
 572         monitor_printf(mon, "\\'");
 573         break;
 574     case '\\':
 575         monitor_printf(mon, "\\\\");
 576         break;
 577     case '\n':
 578         monitor_printf(mon, "\\n");
 579         break;
 580     case '\r':
 581         monitor_printf(mon, "\\r");
 582         break;
 583     default:
 584         if (c >= 32 && c <= 126) {
 585             monitor_printf(mon, "%c", c);
 586         } else {
 587             monitor_printf(mon, "\\x%02x", c);
 588         }
 589         break;
 590     }
 591     monitor_printf(mon, "'");
 592 }
 593
 594 static void memory_dump(Monitor *mon, int count, int format, int wsize,
 595                         target_phys_addr_t addr, int is_physical)
 596 {
 597     CPUState *env;
 598     int nb_per_line, l, line_size, i, max_digits, len;
 599     uint8_t buf[16];
 600     uint64_t v;
 601
 602     if (format == 'i') {
 603         int flags;
 604         flags = 0;
 605         env = mon_get_cpu();
 606         if (!env && !is_physical)
 607             return;
 608 #ifdef TARGET_I386
 609         if (wsize == 2) {
 610             flags = 1;
 611         } else if (wsize == 4) {
 612             flags = 0;
 613         } else {
 614             /* as default we use the current CS size */
 615             flags = 0;
 616             if (env) {
 617 #ifdef TARGET_X86_64
 618                 if ((env->efer & MSR_EFER_LMA) &&
 619                     (env->segs[R_CS].flags & DESC_L_MASK))
 620                     flags = 2;
 621                 else
 622 #endif
 623                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 624                     flags = 1;
 625             }
 626         }
 627 #endif
 628         monitor_disas(mon, env, addr, count, is_physical, flags);
 629         return;
 630     }
 631
 632     len = wsize * count;
 633     if (wsize == 1)
 634         line_size = 8;
 635     else
 636         line_size = 16;
 637     nb_per_line = line_size / wsize;
 638     max_digits = 0;
 639
 640     switch(format) {
 641     case 'o':
 642         max_digits = (wsize * 8 + 2) / 3;
 643         break;
 644     default:
 645     case 'x':
 646         max_digits = (wsize * 8) / 4;
 647         break;
 648     case 'u':
 649     case 'd':
 650         max_digits = (wsize * 8 * 10 + 32) / 33;
 651         break;
 652     case 'c':
 653         wsize = 1;
 654         break;
 655     }
 656
 657     while (len > 0) {
 658         if (is_physical)
 659             monitor_printf(mon, TARGET_FMT_plx ":", addr);
 660         else
 661             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
 662         l = len;
 663         if (l > line_size)
 664             l = line_size;
 665         if (is_physical) {
 666             cpu_physical_memory_rw(addr, buf, l, 0);
 667         } else {
 668             env = mon_get_cpu();
 669             if (!env)
 670                 break;
 671             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
 672                 monitor_printf(mon, " Cannot access memory\n");
 673                 break;
 674             }
 675         }
 676         i = 0;
 677         while (i < l) {
 678             switch(wsize) {
 679             default:
 680             case 1:
 681                 v = ldub_raw(buf + i);
 682                 break;
 683             case 2:
 684                 v = lduw_raw(buf + i);
 685                 break;
 686             case 4:
 687                 v = (uint32_t)ldl_raw(buf + i);
 688                 break;
 689             case 8:
 690                 v = ldq_raw(buf + i);
 691                 break;
 692             }
 693             monitor_printf(mon, " ");
 694             switch(format) {
 695             case 'o':
 696                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
 697                 break;
 698             case 'x':
 699                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
 700                 break;
 701             case 'u':
 702                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
 703                 break;
 704             case 'd':
 705                 monitor_printf(mon, "%*" PRId64, max_digits, v);
 706                 break;
 707             case 'c':
 708                 monitor_printc(mon, v);
 709                 break;
 710             }
 711             i += wsize;
 712         }
 713         monitor_printf(mon, "\n");
 714         addr += l;
 715         len -= l;
 716     }
 717 }
 718
 719 #if TARGET_LONG_BITS == 64
 720 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 721 #else
 722 #define GET_TLONG(h, l) (l)
 723 #endif
 724
 725 static void do_memory_dump(Monitor *mon, int count, int format, int size,
 726                            uint32_t addrh, uint32_t addrl)
 727 {
 728     target_long addr = GET_TLONG(addrh, addrl);
 729     memory_dump(mon, count, format, size, addr, 0);
 730 }
 731
 732 #if TARGET_PHYS_ADDR_BITS > 32
 733 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 734 #else
 735 #define GET_TPHYSADDR(h, l) (l)
 736 #endif
 737
 738 static void do_physical_memory_dump(Monitor *mon, int count, int format,
 739                                     int size, uint32_t addrh, uint32_t addrl)
 740
 741 {
 742     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 743     memory_dump(mon, count, format, size, addr, 1);
 744 }
 745
 746 static void do_print(Monitor *mon, int count, int format, int size,
 747                      unsigned int valh, unsigned int vall)
 748 {
 749     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 750 #if TARGET_PHYS_ADDR_BITS == 32
 751     switch(format) {
 752     case 'o':
 753         monitor_printf(mon, "%#o", val);
 754         break;
 755     case 'x':
 756         monitor_printf(mon, "%#x", val);
 757         break;
 758     case 'u':
 759         monitor_printf(mon, "%u", val);
 760         break;
 761     default:
 762     case 'd':
 763         monitor_printf(mon, "%d", val);
 764         break;
 765     case 'c':
 766         monitor_printc(mon, val);
 767         break;
 768     }
 769 #else
 770     switch(format) {
 771     case 'o':
 772         monitor_printf(mon, "%#" PRIo64, val);
 773         break;
 774     case 'x':
 775         monitor_printf(mon, "%#" PRIx64, val);
 776         break;
 777     case 'u':
 778         monitor_printf(mon, "%" PRIu64, val);
 779         break;
 780     default:
 781     case 'd':
 782         monitor_printf(mon, "%" PRId64, val);
 783         break;
 784     case 'c':
 785         monitor_printc(mon, val);
 786         break;
 787     }
 788 #endif
 789     monitor_printf(mon, "\n");
 790 }
 791
 792 static void do_memory_save(Monitor *mon, unsigned int valh, unsigned int vall,
 793                            uint32_t size, const char *filename)
 794 {
 795     FILE *f;
 796     target_long addr = GET_TLONG(valh, vall);
 797     uint32_t l;
 798     CPUState *env;
 799     uint8_t buf[1024];
 800
 801     env = mon_get_cpu();
 802     if (!env)
 803         return;
 804
 805     f = fopen(filename, "wb");
 806     if (!f) {
 807         monitor_printf(mon, "could not open '%s'\n", filename);
 808         return;
 809     }
 810     while (size != 0) {
 811         l = sizeof(buf);
 812         if (l > size)
 813             l = size;
 814         cpu_memory_rw_debug(env, addr, buf, l, 0);
 815         fwrite(buf, 1, l, f);
 816         addr += l;
 817         size -= l;
 818     }
 819     fclose(f);
 820 }
 821
 822 static void do_physical_memory_save(Monitor *mon, unsigned int valh,
 823                                     unsigned int vall, uint32_t size,
 824                                     const char *filename)
 825 {
 826     FILE *f;
 827     uint32_t l;
 828     uint8_t buf[1024];
 829     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
 830
 831     f = fopen(filename, "wb");
 832     if (!f) {
 833         monitor_printf(mon, "could not open '%s'\n", filename);
 834         return;
 835     }
 836     while (size != 0) {
 837         l = sizeof(buf);
 838         if (l > size)
 839             l = size;
 840         cpu_physical_memory_rw(addr, buf, l, 0);
 841         fwrite(buf, 1, l, f);
 842         fflush(f);
 843         addr += l;
 844         size -= l;
 845     }
 846     fclose(f);
 847 }
 848
 849 static void do_sum(Monitor *mon, uint32_t start, uint32_t size)
 850 {
 851     uint32_t addr;
 852     uint8_t buf[1];
 853     uint16_t sum;
 854
 855     sum = 0;
 856     for(addr = start; addr < (start + size); addr++) {
 857         cpu_physical_memory_rw(addr, buf, 1, 0);
 858         /* BSD sum algorithm ('sum' Unix command) */
 859         sum = (sum >> 1) | (sum << 15);
 860         sum += buf[0];
 861     }
 862     monitor_printf(mon, "%05d\n", sum);
 863 }
 864
 865 typedef struct {
 866     int keycode;
 867     const char *name;
 868 } KeyDef;
 869
 870 static const KeyDef key_defs[] = {
 871     { 0x2a, "shift" },
 872     { 0x36, "shift_r" },
 873
 874     { 0x38, "alt" },
 875     { 0xb8, "alt_r" },
 876     { 0x64, "altgr" },
 877     { 0xe4, "altgr_r" },
 878     { 0x1d, "ctrl" },
 879     { 0x9d, "ctrl_r" },
 880
 881     { 0xdd, "menu" },
 882
 883     { 0x01, "esc" },
 884
 885     { 0x02, "1" },
 886     { 0x03, "2" },
 887     { 0x04, "3" },
 888     { 0x05, "4" },
 889     { 0x06, "5" },
 890     { 0x07, "6" },
 891     { 0x08, "7" },
 892     { 0x09, "8" },
 893     { 0x0a, "9" },
 894     { 0x0b, "0" },
 895     { 0x0c, "minus" },
 896     { 0x0d, "equal" },
 897     { 0x0e, "backspace" },
 898
 899     { 0x0f, "tab" },
 900     { 0x10, "q" },
 901     { 0x11, "w" },
 902     { 0x12, "e" },
 903     { 0x13, "r" },
 904     { 0x14, "t" },
 905     { 0x15, "y" },
 906     { 0x16, "u" },
 907     { 0x17, "i" },
 908     { 0x18, "o" },
 909     { 0x19, "p" },
 910
 911     { 0x1c, "ret" },
 912
 913     { 0x1e, "a" },
 914     { 0x1f, "s" },
 915     { 0x20, "d" },
 916     { 0x21, "f" },
 917     { 0x22, "g" },
 918     { 0x23, "h" },
 919     { 0x24, "j" },
 920     { 0x25, "k" },
 921     { 0x26, "l" },
 922
 923     { 0x2c, "z" },
 924     { 0x2d, "x" },
 925     { 0x2e, "c" },
 926     { 0x2f, "v" },
 927     { 0x30, "b" },
 928     { 0x31, "n" },
 929     { 0x32, "m" },
 930     { 0x33, "comma" },
 931     { 0x34, "dot" },
 932     { 0x35, "slash" },
 933
 934     { 0x37, "asterisk" },
 935
 936     { 0x39, "spc" },
 937     { 0x3a, "caps_lock" },
 938     { 0x3b, "f1" },
 939     { 0x3c, "f2" },
 940     { 0x3d, "f3" },
 941     { 0x3e, "f4" },
 942     { 0x3f, "f5" },
 943     { 0x40, "f6" },
 944     { 0x41, "f7" },
 945     { 0x42, "f8" },
 946     { 0x43, "f9" },
 947     { 0x44, "f10" },
 948     { 0x45, "num_lock" },
 949     { 0x46, "scroll_lock" },
 950
 951     { 0xb5, "kp_divide" },
 952     { 0x37, "kp_multiply" },
 953     { 0x4a, "kp_subtract" },
 954     { 0x4e, "kp_add" },
 955     { 0x9c, "kp_enter" },
 956     { 0x53, "kp_decimal" },
 957     { 0x54, "sysrq" },
 958
 959     { 0x52, "kp_0" },
 960     { 0x4f, "kp_1" },
 961     { 0x50, "kp_2" },
 962     { 0x51, "kp_3" },
 963     { 0x4b, "kp_4" },
 964     { 0x4c, "kp_5" },
 965     { 0x4d, "kp_6" },
 966     { 0x47, "kp_7" },
 967     { 0x48, "kp_8" },
 968     { 0x49, "kp_9" },
 969
 970     { 0x56, "<" },
 971
 972     { 0x57, "f11" },
 973     { 0x58, "f12" },
 974
 975     { 0xb7, "print" },
 976
 977     { 0xc7, "home" },
 978     { 0xc9, "pgup" },
 979     { 0xd1, "pgdn" },
 980     { 0xcf, "end" },
 981
 982     { 0xcb, "left" },
 983     { 0xc8, "up" },
 984     { 0xd0, "down" },
 985     { 0xcd, "right" },
 986
 987     { 0xd2, "insert" },
 988     { 0xd3, "delete" },
 989 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
 990     { 0xf0, "stop" },
 991     { 0xf1, "again" },
 992     { 0xf2, "props" },
 993     { 0xf3, "undo" },
 994     { 0xf4, "front" },
 995     { 0xf5, "copy" },
 996     { 0xf6, "open" },
 997     { 0xf7, "paste" },
 998     { 0xf8, "find" },
 999     { 0xf9, "cut" },
1000     { 0xfa, "lf" },
1001     { 0xfb, "help" },
1002     { 0xfc, "meta_l" },
1003     { 0xfd, "meta_r" },
1004     { 0xfe, "compose" },
1005 #endif
1006     { 0, NULL },
1007 };
1008
1009 static int get_keycode(const char *key)
1010 {
1011     const KeyDef *p;
1012     char *endp;
1013     int ret;
1014
1015     for(p = key_defs; p->name != NULL; p++) {
1016         if (!strcmp(key, p->name))
1017             return p->keycode;
1018     }
1019     if (strstart(key, "0x", NULL)) {
1020         ret = strtoul(key, &endp, 0);
1021         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1022             return ret;
1023     }
1024     return -1;
1025 }
1026
1027 #define MAX_KEYCODES 16
1028 static uint8_t keycodes[MAX_KEYCODES];
1029 static int nb_pending_keycodes;
1030 static QEMUTimer *key_timer;
1031
1032 static void release_keys(void *opaque)
1033 {
1034     int keycode;
1035
1036     while (nb_pending_keycodes > 0) {
1037         nb_pending_keycodes--;
1038         keycode = keycodes[nb_pending_keycodes];
1039         if (keycode & 0x80)
1040             kbd_put_keycode(0xe0);
1041         kbd_put_keycode(keycode | 0x80);
1042     }
1043 }
1044
1045 static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
1046                        int hold_time)
1047 {
1048     char keyname_buf[16];
1049     char *separator;
1050     int keyname_len, keycode, i;
1051
1052     if (nb_pending_keycodes > 0) {
1053         qemu_del_timer(key_timer);
1054         release_keys(NULL);
1055     }
1056     if (!has_hold_time)
1057         hold_time = 100;
1058     i = 0;
1059     while (1) {
1060         separator = strchr(string, '-');
1061         keyname_len = separator ? separator - string : strlen(string);
1062         if (keyname_len > 0) {
1063             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1064             if (keyname_len > sizeof(keyname_buf) - 1) {
1065                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1066                 return;
1067             }
1068             if (i == MAX_KEYCODES) {
1069                 monitor_printf(mon, "too many keys\n");
1070                 return;
1071             }
1072             keyname_buf[keyname_len] = 0;
1073             keycode = get_keycode(keyname_buf);
1074             if (keycode < 0) {
1075                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1076                 return;
1077             }
1078             keycodes[i++] = keycode;
1079         }
1080         if (!separator)
1081             break;
1082         string = separator + 1;
1083     }
1084     nb_pending_keycodes = i;
1085     /* key down events */
1086     for (i = 0; i < nb_pending_keycodes; i++) {
1087         keycode = keycodes[i];
1088         if (keycode & 0x80)
1089             kbd_put_keycode(0xe0);
1090         kbd_put_keycode(keycode & 0x7f);
1091     }
1092     /* delayed key up events */
1093     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1094                     muldiv64(ticks_per_sec, hold_time, 1000));
1095 }
1096
1097 static int mouse_button_state;
1098
1099 static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
1100                           const char *dz_str)
1101 {
1102     int dx, dy, dz;
1103     dx = strtol(dx_str, NULL, 0);
1104     dy = strtol(dy_str, NULL, 0);
1105     dz = 0;
1106     if (dz_str)
1107         dz = strtol(dz_str, NULL, 0);
1108     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1109 }
1110
1111 static void do_mouse_button(Monitor *mon, int button_state)
1112 {
1113     mouse_button_state = button_state;
1114     kbd_mouse_event(0, 0, 0, mouse_button_state);
1115 }
1116
1117 static void do_ioport_read(Monitor *mon, int count, int format, int size,
1118                            int addr, int has_index, int index)
1119 {
1120     uint32_t val;
1121     int suffix;
1122
1123     if (has_index) {
1124         cpu_outb(NULL, addr & 0xffff, index & 0xff);
1125         addr++;
1126     }
1127     addr &= 0xffff;
1128
1129     switch(size) {
1130     default:
1131     case 1:
1132         val = cpu_inb(NULL, addr);
1133         suffix = 'b';
1134         break;
1135     case 2:
1136         val = cpu_inw(NULL, addr);
1137         suffix = 'w';
1138         break;
1139     case 4:
1140         val = cpu_inl(NULL, addr);
1141         suffix = 'l';
1142         break;
1143     }
1144     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1145                    suffix, addr, size * 2, val);
1146 }
1147
1148 /* boot_set handler */
1149 static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
1150 static void *boot_opaque;
1151
1152 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1153 {
1154     qemu_boot_set_handler = func;
1155     boot_opaque = opaque;
1156 }
1157
1158 static void do_boot_set(Monitor *mon, const char *bootdevice)
1159 {
1160     int res;
1161
1162     if (qemu_boot_set_handler)  {
1163         res = qemu_boot_set_handler(boot_opaque, bootdevice);
1164         if (res == 0)
1165             monitor_printf(mon, "boot device list now set to %s\n",
1166                            bootdevice);
1167         else
1168             monitor_printf(mon, "setting boot device list failed with "
1169                            "error %i\n", res);
1170     } else {
1171         monitor_printf(mon, "no function defined to set boot device list for "
1172                        "this architecture\n");
1173     }
1174 }
1175
1176 static void do_system_reset(Monitor *mon)
1177 {
1178     qemu_system_reset_request();
1179 }
1180
1181 static void do_system_powerdown(Monitor *mon)
1182 {
1183     qemu_system_powerdown_request();
1184 }
1185
1186 #if defined(TARGET_I386)
1187 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1188 {
1189     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1190                    addr,
1191                    pte & mask,
1192                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1193                    pte & PG_PSE_MASK ? 'P' : '-',
1194                    pte & PG_DIRTY_MASK ? 'D' : '-',
1195                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1196                    pte & PG_PCD_MASK ? 'C' : '-',
1197                    pte & PG_PWT_MASK ? 'T' : '-',
1198                    pte & PG_USER_MASK ? 'U' : '-',
1199                    pte & PG_RW_MASK ? 'W' : '-');
1200 }
1201
1202 static void tlb_info(Monitor *mon)
1203 {
1204     CPUState *env;
1205     int l1, l2;
1206     uint32_t pgd, pde, pte;
1207
1208     env = mon_get_cpu();
1209     if (!env)
1210         return;
1211
1212     if (!(env->cr[0] & CR0_PG_MASK)) {
1213         monitor_printf(mon, "PG disabled\n");
1214         return;
1215     }
1216     pgd = env->cr[3] & ~0xfff;
1217     for(l1 = 0; l1 < 1024; l1++) {
1218         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1219         pde = le32_to_cpu(pde);
1220         if (pde & PG_PRESENT_MASK) {
1221             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1222                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1223             } else {
1224                 for(l2 = 0; l2 < 1024; l2++) {
1225                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1226                                              (uint8_t *)&pte, 4);
1227                     pte = le32_to_cpu(pte);
1228                     if (pte & PG_PRESENT_MASK) {
1229                         print_pte(mon, (l1 << 22) + (l2 << 12),
1230                                   pte & ~PG_PSE_MASK,
1231                                   ~0xfff);
1232                     }
1233                 }
1234             }
1235         }
1236     }
1237 }
1238
1239 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1240                       uint32_t end, int prot)
1241 {
1242     int prot1;
1243     prot1 = *plast_prot;
1244     if (prot != prot1) {
1245         if (*pstart != -1) {
1246             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1247                            *pstart, end, end - *pstart,
1248                            prot1 & PG_USER_MASK ? 'u' : '-',
1249                            'r',
1250                            prot1 & PG_RW_MASK ? 'w' : '-');
1251         }
1252         if (prot != 0)
1253             *pstart = end;
1254         else
1255             *pstart = -1;
1256         *plast_prot = prot;
1257     }
1258 }
1259
1260 static void mem_info(Monitor *mon)
1261 {
1262     CPUState *env;
1263     int l1, l2, prot, last_prot;
1264     uint32_t pgd, pde, pte, start, end;
1265
1266     env = mon_get_cpu();
1267     if (!env)
1268         return;
1269
1270     if (!(env->cr[0] & CR0_PG_MASK)) {
1271         monitor_printf(mon, "PG disabled\n");
1272         return;
1273     }
1274     pgd = env->cr[3] & ~0xfff;
1275     last_prot = 0;
1276     start = -1;
1277     for(l1 = 0; l1 < 1024; l1++) {
1278         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1279         pde = le32_to_cpu(pde);
1280         end = l1 << 22;
1281         if (pde & PG_PRESENT_MASK) {
1282             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1283                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1284                 mem_print(mon, &start, &last_prot, end, prot);
1285             } else {
1286                 for(l2 = 0; l2 < 1024; l2++) {
1287                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1288                                              (uint8_t *)&pte, 4);
1289                     pte = le32_to_cpu(pte);
1290                     end = (l1 << 22) + (l2 << 12);
1291                     if (pte & PG_PRESENT_MASK) {
1292                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1293                     } else {
1294                         prot = 0;
1295                     }
1296                     mem_print(mon, &start, &last_prot, end, prot);
1297                 }
1298             }
1299         } else {
1300             prot = 0;
1301             mem_print(mon, &start, &last_prot, end, prot);
1302         }
1303     }
1304 }
1305 #endif
1306
1307 #if defined(TARGET_SH4)
1308
1309 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1310 {
1311     monitor_printf(mon, " tlb%i:\t"
1312                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1313                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1314                    "dirty=%hhu writethrough=%hhu\n",
1315                    idx,
1316                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1317                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1318                    tlb->d, tlb->wt);
1319 }
1320
1321 static void tlb_info(Monitor *mon)
1322 {
1323     CPUState *env = mon_get_cpu();
1324     int i;
1325
1326     monitor_printf (mon, "ITLB:\n");
1327     for (i = 0 ; i < ITLB_SIZE ; i++)
1328         print_tlb (mon, i, &env->itlb[i]);
1329     monitor_printf (mon, "UTLB:\n");
1330     for (i = 0 ; i < UTLB_SIZE ; i++)
1331         print_tlb (mon, i, &env->utlb[i]);
1332 }
1333
1334 #endif
1335
1336 static void do_info_kqemu(Monitor *mon)
1337 {
1338 #ifdef USE_KQEMU
1339     CPUState *env;
1340     int val;
1341     val = 0;
1342     env = mon_get_cpu();
1343     if (!env) {
1344         monitor_printf(mon, "No cpu initialized yet");
1345         return;
1346     }
1347     val = env->kqemu_enabled;
1348     monitor_printf(mon, "kqemu support: ");
1349     switch(val) {
1350     default:
1351     case 0:
1352         monitor_printf(mon, "disabled\n");
1353         break;
1354     case 1:
1355         monitor_printf(mon, "enabled for user code\n");
1356         break;
1357     case 2:
1358         monitor_printf(mon, "enabled for user and kernel code\n");
1359         break;
1360     }
1361 #else
1362     monitor_printf(mon, "kqemu support: not compiled\n");
1363 #endif
1364 }
1365
1366 static void do_info_kvm(Monitor *mon)
1367 {
1368 #ifdef CONFIG_KVM
1369     monitor_printf(mon, "kvm support: ");
1370     if (kvm_enabled())
1371         monitor_printf(mon, "enabled\n");
1372     else
1373         monitor_printf(mon, "disabled\n");
1374 #else
1375     monitor_printf(mon, "kvm support: not compiled\n");
1376 #endif
1377 }
1378
1379 #ifdef CONFIG_PROFILER
1380
1381 int64_t kqemu_time;
1382 int64_t qemu_time;
1383 int64_t kqemu_exec_count;
1384 int64_t dev_time;
1385 int64_t kqemu_ret_int_count;
1386 int64_t kqemu_ret_excp_count;
1387 int64_t kqemu_ret_intr_count;
1388
1389 static void do_info_profile(Monitor *mon)
1390 {
1391     int64_t total;
1392     total = qemu_time;
1393     if (total == 0)
1394         total = 1;
1395     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1396                    dev_time, dev_time / (double)ticks_per_sec);
1397     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1398                    qemu_time, qemu_time / (double)ticks_per_sec);
1399     monitor_printf(mon, "kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%"
1400                         PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
1401                         PRId64 "\n",
1402                    kqemu_time, kqemu_time / (double)ticks_per_sec,
1403                    kqemu_time / (double)total * 100.0,
1404                    kqemu_exec_count,
1405                    kqemu_ret_int_count,
1406                    kqemu_ret_excp_count,
1407                    kqemu_ret_intr_count);
1408     qemu_time = 0;
1409     kqemu_time = 0;
1410     kqemu_exec_count = 0;
1411     dev_time = 0;
1412     kqemu_ret_int_count = 0;
1413     kqemu_ret_excp_count = 0;
1414     kqemu_ret_intr_count = 0;
1415 #ifdef USE_KQEMU
1416     kqemu_record_dump();
1417 #endif
1418 }
1419 #else
1420 static void do_info_profile(Monitor *mon)
1421 {
1422     monitor_printf(mon, "Internal profiler not compiled\n");
1423 }
1424 #endif
1425
1426 /* Capture support */
1427 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1428
1429 static void do_info_capture(Monitor *mon)
1430 {
1431     int i;
1432     CaptureState *s;
1433
1434     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1435         monitor_printf(mon, "[%d]: ", i);
1436         s->ops.info (s->opaque);
1437     }
1438 }
1439
1440 static void do_stop_capture(Monitor *mon, int n)
1441 {
1442     int i;
1443     CaptureState *s;
1444
1445     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1446         if (i == n) {
1447             s->ops.destroy (s->opaque);
1448             LIST_REMOVE (s, entries);
1449             qemu_free (s);
1450             return;
1451         }
1452     }
1453 }
1454
1455 #ifdef HAS_AUDIO
1456 static void do_wav_capture(Monitor *mon, const char *path,
1457                            int has_freq, int freq,
1458                            int has_bits, int bits,
1459                            int has_channels, int nchannels)
1460 {
1461     CaptureState *s;
1462
1463     s = qemu_mallocz (sizeof (*s));
1464
1465     freq = has_freq ? freq : 44100;
1466     bits = has_bits ? bits : 16;
1467     nchannels = has_channels ? nchannels : 2;
1468
1469     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1470         monitor_printf(mon, "Faied to add wave capture\n");
1471         qemu_free (s);
1472     }
1473     LIST_INSERT_HEAD (&capture_head, s, entries);
1474 }
1475 #endif
1476
1477 #if defined(TARGET_I386)
1478 static void do_inject_nmi(Monitor *mon, int cpu_index)
1479 {
1480     CPUState *env;
1481
1482     for (env = first_cpu; env != NULL; env = env->next_cpu)
1483         if (env->cpu_index == cpu_index) {
1484             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1485             break;
1486         }
1487 }
1488 #endif
1489
1490 static void do_info_status(Monitor *mon)
1491 {
1492     if (vm_running)
1493        monitor_printf(mon, "VM status: running\n");
1494     else
1495        monitor_printf(mon, "VM status: paused\n");
1496 }
1497
1498
1499 static void do_balloon(Monitor *mon, int value)
1500 {
1501     ram_addr_t target = value;
1502     qemu_balloon(target << 20);
1503 }
1504
1505 static void do_info_balloon(Monitor *mon)
1506 {
1507     ram_addr_t actual;
1508
1509     actual = qemu_balloon_status();
1510     if (kvm_enabled() && !kvm_has_sync_mmu())
1511         monitor_printf(mon, "Using KVM without synchronous MMU, "
1512                        "ballooning disabled\n");
1513     else if (actual == 0)
1514         monitor_printf(mon, "Ballooning not activated in VM\n");
1515     else
1516         monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1517 }
1518
1519 /* Please update qemu-doc.texi when adding or changing commands */
1520 static const mon_cmd_t mon_cmds[] = {
1521     { "help|?", "s?", help_cmd,
1522       "[cmd]", "show the help" },
1523     { "commit", "s", do_commit,
1524       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1525     { "info", "s?", do_info,
1526       "subcommand", "show various information about the system state" },
1527     { "q|quit", "", do_quit,
1528       "", "quit the emulator" },
1529     { "eject", "-fB", do_eject,
1530       "[-f] device", "eject a removable medium (use -f to force it)" },
1531     { "change", "BFs?", do_change,
1532       "device filename [format]", "change a removable medium, optional format" },
1533     { "screendump", "F", do_screen_dump,
1534       "filename", "save screen into PPM image 'filename'" },
1535     { "logfile", "F", do_logfile,
1536       "filename", "output logs to 'filename'" },
1537     { "log", "s", do_log,
1538       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
1539     { "savevm", "s?", do_savevm,
1540       "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
1541     { "loadvm", "s", do_loadvm,
1542       "tag|id", "restore a VM snapshot from its tag or id" },
1543     { "delvm", "s", do_delvm,
1544       "tag|id", "delete a VM snapshot from its tag or id" },
1545     { "stop", "", do_stop,
1546       "", "stop emulation", },
1547     { "c|cont", "", do_cont,
1548       "", "resume emulation", },
1549 #ifdef CONFIG_GDBSTUB
1550     { "gdbserver", "s?", do_gdbserver,
1551       "[port]", "start gdbserver session (default port=1234)", },
1552 #endif
1553     { "x", "/l", do_memory_dump,
1554       "/fmt addr", "virtual memory dump starting at 'addr'", },
1555     { "xp", "/l", do_physical_memory_dump,
1556       "/fmt addr", "physical memory dump starting at 'addr'", },
1557     { "p|print", "/l", do_print,
1558       "/fmt expr", "print expression value (use $reg for CPU register access)", },
1559     { "i", "/ii.", do_ioport_read,
1560       "/fmt addr", "I/O port read" },
1561
1562     { "sendkey", "si?", do_sendkey,
1563       "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
1564     { "system_reset", "", do_system_reset,
1565       "", "reset the system" },
1566     { "system_powerdown", "", do_system_powerdown,
1567       "", "send system power down event" },
1568     { "sum", "ii", do_sum,
1569       "addr size", "compute the checksum of a memory region" },
1570     { "usb_add", "s", do_usb_add,
1571       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
1572     { "usb_del", "s", do_usb_del,
1573       "device", "remove USB device 'bus.addr'" },
1574     { "cpu", "i", do_cpu_set,
1575       "index", "set the default CPU" },
1576     { "mouse_move", "sss?", do_mouse_move,
1577       "dx dy [dz]", "send mouse move events" },
1578     { "mouse_button", "i", do_mouse_button,
1579       "state", "change mouse button state (1=L, 2=M, 4=R)" },
1580     { "mouse_set", "i", do_mouse_set,
1581       "index", "set which mouse device receives events" },
1582 #ifdef HAS_AUDIO
1583     { "wavcapture", "si?i?i?", do_wav_capture,
1584       "path [frequency bits channels]",
1585       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
1586 #endif
1587     { "stopcapture", "i", do_stop_capture,
1588       "capture index", "stop capture" },
1589     { "memsave", "lis", do_memory_save,
1590       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1591     { "pmemsave", "lis", do_physical_memory_save,
1592       "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1593     { "boot_set", "s", do_boot_set,
1594       "bootdevice", "define new values for the boot device list" },
1595 #if defined(TARGET_I386)
1596     { "nmi", "i", do_inject_nmi,
1597       "cpu", "inject an NMI on the given CPU", },
1598 #endif
1599     { "migrate", "-ds", do_migrate,
1600       "[-d] uri", "migrate to URI (using -d to not wait for completion)" },
1601     { "migrate_cancel", "", do_migrate_cancel,
1602       "", "cancel the current VM migration" },
1603     { "migrate_set_speed", "s", do_migrate_set_speed,
1604       "value", "set maximum speed (in bytes) for migrations" },
1605 #if defined(TARGET_I386)
1606     { "drive_add", "ss", drive_hot_add, "pci_addr=[[<domain>:]<bus>:]<slot>\n"
1607                                          "[file=file][,if=type][,bus=n]\n"
1608                                         "[,unit=m][,media=d][index=i]\n"
1609                                         "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
1610                                         "[snapshot=on|off][,cache=on|off]",
1611                                         "add drive to PCI storage controller" },
1612     { "pci_add", "sss", pci_device_hot_add, "pci_addr=auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
1613     { "pci_del", "s", pci_device_hot_remove, "pci_addr=[[<domain>:]<bus>:]<slot>", "hot remove PCI device" },
1614     { "host_net_add", "ss", net_host_device_add,
1615       "[tap,user,socket,vde] options", "add host VLAN client" },
1616     { "host_net_remove", "is", net_host_device_remove,
1617       "vlan_id name", "remove host VLAN client" },
1618 #endif
1619     { "balloon", "i", do_balloon,
1620       "target", "request VM to change it's memory allocation (in MB)" },
1621     { "set_link", "ss", do_set_link,
1622       "name [up|down]", "change the link status of a network adapter" },
1623     { NULL, NULL, },
1624 };
1625
1626 /* Please update qemu-doc.texi when adding or changing commands */
1627 static const mon_cmd_t info_cmds[] = {
1628     { "version", "", do_info_version,
1629       "", "show the version of QEMU" },
1630     { "network", "", do_info_network,
1631       "", "show the network state" },
1632     { "chardev", "", qemu_chr_info,
1633       "", "show the character devices" },
1634     { "block", "", bdrv_info,
1635       "", "show the block devices" },
1636     { "blockstats", "", bdrv_info_stats,
1637       "", "show block device statistics" },
1638     { "registers", "", do_info_registers,
1639       "", "show the cpu registers" },
1640     { "cpus", "", do_info_cpus,
1641       "", "show infos for each CPU" },
1642     { "history", "", do_info_history,
1643       "", "show the command line history", },
1644     { "irq", "", irq_info,
1645       "", "show the interrupts statistics (if available)", },
1646     { "pic", "", pic_info,
1647       "", "show i8259 (PIC) state", },
1648     { "pci", "", pci_info,
1649       "", "show PCI info", },
1650 #if defined(TARGET_I386) || defined(TARGET_SH4)
1651     { "tlb", "", tlb_info,
1652       "", "show virtual to physical memory mappings", },
1653 #endif
1654 #if defined(TARGET_I386)
1655     { "mem", "", mem_info,
1656       "", "show the active virtual memory mappings", },
1657     { "hpet", "", do_info_hpet,
1658       "", "show state of HPET", },
1659 #endif
1660     { "jit", "", do_info_jit,
1661       "", "show dynamic compiler info", },
1662     { "kqemu", "", do_info_kqemu,
1663       "", "show KQEMU information", },
1664     { "kvm", "", do_info_kvm,
1665       "", "show KVM information", },
1666     { "usb", "", usb_info,
1667       "", "show guest USB devices", },
1668     { "usbhost", "", usb_host_info,
1669       "", "show host USB devices", },
1670     { "profile", "", do_info_profile,
1671       "", "show profiling information", },
1672     { "capture", "", do_info_capture,
1673       "", "show capture information" },
1674     { "snapshots", "", do_info_snapshots,
1675       "", "show the currently saved VM snapshots" },
1676     { "status", "", do_info_status,
1677       "", "show the current VM status (running|paused)" },
1678     { "pcmcia", "", pcmcia_info,
1679       "", "show guest PCMCIA status" },
1680     { "mice", "", do_info_mice,
1681       "", "show which guest mouse is receiving events" },
1682     { "vnc", "", do_info_vnc,
1683       "", "show the vnc server status"},
1684     { "name", "", do_info_name,
1685       "", "show the current VM name" },
1686     { "uuid", "", do_info_uuid,
1687       "", "show the current VM UUID" },
1688 #if defined(TARGET_PPC)
1689     { "cpustats", "", do_info_cpu_stats,
1690       "", "show CPU statistics", },
1691 #endif
1692 #if defined(CONFIG_SLIRP)
1693     { "slirp", "", do_info_slirp,
1694       "", "show SLIRP statistics", },
1695 #endif
1696     { "migrate", "", do_info_migrate, "", "show migration status" },
1697     { "balloon", "", do_info_balloon,
1698       "", "show balloon information" },
1699     { NULL, NULL, },
1700 };
1701
1702 /*******************************************************************/
1703
1704 static const char *pch;
1705 static jmp_buf expr_env;
1706
1707 #define MD_TLONG 0
1708 #define MD_I32   1
1709
1710 typedef struct MonitorDef {
1711     const char *name;
1712     int offset;
1713     target_long (*get_value)(const struct MonitorDef *md, int val);
1714     int type;
1715 } MonitorDef;
1716
1717 #if defined(TARGET_I386)
1718 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
1719 {
1720     CPUState *env = mon_get_cpu();
1721     if (!env)
1722         return 0;
1723     return env->eip + env->segs[R_CS].base;
1724 }
1725 #endif
1726
1727 #if defined(TARGET_PPC)
1728 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
1729 {
1730     CPUState *env = mon_get_cpu();
1731     unsigned int u;
1732     int i;
1733
1734     if (!env)
1735         return 0;
1736
1737     u = 0;
1738     for (i = 0; i < 8; i++)
1739         u |= env->crf[i] << (32 - (4 * i));
1740
1741     return u;
1742 }
1743
1744 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
1745 {
1746     CPUState *env = mon_get_cpu();
1747     if (!env)
1748         return 0;
1749     return env->msr;
1750 }
1751
1752 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
1753 {
1754     CPUState *env = mon_get_cpu();
1755     if (!env)
1756         return 0;
1757     return env->xer;
1758 }
1759
1760 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
1761 {
1762     CPUState *env = mon_get_cpu();
1763     if (!env)
1764         return 0;
1765     return cpu_ppc_load_decr(env);
1766 }
1767
1768 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
1769 {
1770     CPUState *env = mon_get_cpu();
1771     if (!env)
1772         return 0;
1773     return cpu_ppc_load_tbu(env);
1774 }
1775
1776 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
1777 {
1778     CPUState *env = mon_get_cpu();
1779     if (!env)
1780         return 0;
1781     return cpu_ppc_load_tbl(env);
1782 }
1783 #endif
1784
1785 #if defined(TARGET_SPARC)
1786 #ifndef TARGET_SPARC64
1787 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
1788 {
1789     CPUState *env = mon_get_cpu();
1790     if (!env)
1791         return 0;
1792     return GET_PSR(env);
1793 }
1794 #endif
1795
1796 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
1797 {
1798     CPUState *env = mon_get_cpu();
1799     if (!env)
1800         return 0;
1801     return env->regwptr[val];
1802 }
1803 #endif
1804
1805 static const MonitorDef monitor_defs[] = {
1806 #ifdef TARGET_I386
1807
1808 #define SEG(name, seg) \
1809     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1810     { name ".base", offsetof(CPUState, segs[seg].base) },\
1811     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1812
1813     { "eax", offsetof(CPUState, regs[0]) },
1814     { "ecx", offsetof(CPUState, regs[1]) },
1815     { "edx", offsetof(CPUState, regs[2]) },
1816     { "ebx", offsetof(CPUState, regs[3]) },
1817     { "esp|sp", offsetof(CPUState, regs[4]) },
1818     { "ebp|fp", offsetof(CPUState, regs[5]) },
1819     { "esi", offsetof(CPUState, regs[6]) },
1820     { "edi", offsetof(CPUState, regs[7]) },
1821 #ifdef TARGET_X86_64
1822     { "r8", offsetof(CPUState, regs[8]) },
1823     { "r9", offsetof(CPUState, regs[9]) },
1824     { "r10", offsetof(CPUState, regs[10]) },
1825     { "r11", offsetof(CPUState, regs[11]) },
1826     { "r12", offsetof(CPUState, regs[12]) },
1827     { "r13", offsetof(CPUState, regs[13]) },
1828     { "r14", offsetof(CPUState, regs[14]) },
1829     { "r15", offsetof(CPUState, regs[15]) },
1830 #endif
1831     { "eflags", offsetof(CPUState, eflags) },
1832     { "eip", offsetof(CPUState, eip) },
1833     SEG("cs", R_CS)
1834     SEG("ds", R_DS)
1835     SEG("es", R_ES)
1836     SEG("ss", R_SS)
1837     SEG("fs", R_FS)
1838     SEG("gs", R_GS)
1839     { "pc", 0, monitor_get_pc, },
1840 #elif defined(TARGET_PPC)
1841     /* General purpose registers */
1842     { "r0", offsetof(CPUState, gpr[0]) },
1843     { "r1", offsetof(CPUState, gpr[1]) },
1844     { "r2", offsetof(CPUState, gpr[2]) },
1845     { "r3", offsetof(CPUState, gpr[3]) },
1846     { "r4", offsetof(CPUState, gpr[4]) },
1847     { "r5", offsetof(CPUState, gpr[5]) },
1848     { "r6", offsetof(CPUState, gpr[6]) },
1849     { "r7", offsetof(CPUState, gpr[7]) },
1850     { "r8", offsetof(CPUState, gpr[8]) },
1851     { "r9", offsetof(CPUState, gpr[9]) },
1852     { "r10", offsetof(CPUState, gpr[10]) },
1853     { "r11", offsetof(CPUState, gpr[11]) },
1854     { "r12", offsetof(CPUState, gpr[12]) },
1855     { "r13", offsetof(CPUState, gpr[13]) },
1856     { "r14", offsetof(CPUState, gpr[14]) },
1857     { "r15", offsetof(CPUState, gpr[15]) },
1858     { "r16", offsetof(CPUState, gpr[16]) },
1859     { "r17", offsetof(CPUState, gpr[17]) },
1860     { "r18", offsetof(CPUState, gpr[18]) },
1861     { "r19", offsetof(CPUState, gpr[19]) },
1862     { "r20", offsetof(CPUState, gpr[20]) },
1863     { "r21", offsetof(CPUState, gpr[21]) },
1864     { "r22", offsetof(CPUState, gpr[22]) },
1865     { "r23", offsetof(CPUState, gpr[23]) },
1866     { "r24", offsetof(CPUState, gpr[24]) },
1867     { "r25", offsetof(CPUState, gpr[25]) },
1868     { "r26", offsetof(CPUState, gpr[26]) },
1869     { "r27", offsetof(CPUState, gpr[27]) },
1870     { "r28", offsetof(CPUState, gpr[28]) },
1871     { "r29", offsetof(CPUState, gpr[29]) },
1872     { "r30", offsetof(CPUState, gpr[30]) },
1873     { "r31", offsetof(CPUState, gpr[31]) },
1874     /* Floating point registers */
1875     { "f0", offsetof(CPUState, fpr[0]) },
1876     { "f1", offsetof(CPUState, fpr[1]) },
1877     { "f2", offsetof(CPUState, fpr[2]) },
1878     { "f3", offsetof(CPUState, fpr[3]) },
1879     { "f4", offsetof(CPUState, fpr[4]) },
1880     { "f5", offsetof(CPUState, fpr[5]) },
1881     { "f6", offsetof(CPUState, fpr[6]) },
1882     { "f7", offsetof(CPUState, fpr[7]) },
1883     { "f8", offsetof(CPUState, fpr[8]) },
1884     { "f9", offsetof(CPUState, fpr[9]) },
1885     { "f10", offsetof(CPUState, fpr[10]) },
1886     { "f11", offsetof(CPUState, fpr[11]) },
1887     { "f12", offsetof(CPUState, fpr[12]) },
1888     { "f13", offsetof(CPUState, fpr[13]) },
1889     { "f14", offsetof(CPUState, fpr[14]) },
1890     { "f15", offsetof(CPUState, fpr[15]) },
1891     { "f16", offsetof(CPUState, fpr[16]) },
1892     { "f17", offsetof(CPUState, fpr[17]) },
1893     { "f18", offsetof(CPUState, fpr[18]) },
1894     { "f19", offsetof(CPUState, fpr[19]) },
1895     { "f20", offsetof(CPUState, fpr[20]) },
1896     { "f21", offsetof(CPUState, fpr[21]) },
1897     { "f22", offsetof(CPUState, fpr[22]) },
1898     { "f23", offsetof(CPUState, fpr[23]) },
1899     { "f24", offsetof(CPUState, fpr[24]) },
1900     { "f25", offsetof(CPUState, fpr[25]) },
1901     { "f26", offsetof(CPUState, fpr[26]) },
1902     { "f27", offsetof(CPUState, fpr[27]) },
1903     { "f28", offsetof(CPUState, fpr[28]) },
1904     { "f29", offsetof(CPUState, fpr[29]) },
1905     { "f30", offsetof(CPUState, fpr[30]) },
1906     { "f31", offsetof(CPUState, fpr[31]) },
1907     { "fpscr", offsetof(CPUState, fpscr) },
1908     /* Next instruction pointer */
1909     { "nip|pc", offsetof(CPUState, nip) },
1910     { "lr", offsetof(CPUState, lr) },
1911     { "ctr", offsetof(CPUState, ctr) },
1912     { "decr", 0, &monitor_get_decr, },
1913     { "ccr", 0, &monitor_get_ccr, },
1914     /* Machine state register */
1915     { "msr", 0, &monitor_get_msr, },
1916     { "xer", 0, &monitor_get_xer, },
1917     { "tbu", 0, &monitor_get_tbu, },
1918     { "tbl", 0, &monitor_get_tbl, },
1919 #if defined(TARGET_PPC64)
1920     /* Address space register */
1921     { "asr", offsetof(CPUState, asr) },
1922 #endif
1923     /* Segment registers */
1924     { "sdr1", offsetof(CPUState, sdr1) },
1925     { "sr0", offsetof(CPUState, sr[0]) },
1926     { "sr1", offsetof(CPUState, sr[1]) },
1927     { "sr2", offsetof(CPUState, sr[2]) },
1928     { "sr3", offsetof(CPUState, sr[3]) },
1929     { "sr4", offsetof(CPUState, sr[4]) },
1930     { "sr5", offsetof(CPUState, sr[5]) },
1931     { "sr6", offsetof(CPUState, sr[6]) },
1932     { "sr7", offsetof(CPUState, sr[7]) },
1933     { "sr8", offsetof(CPUState, sr[8]) },
1934     { "sr9", offsetof(CPUState, sr[9]) },
1935     { "sr10", offsetof(CPUState, sr[10]) },
1936     { "sr11", offsetof(CPUState, sr[11]) },
1937     { "sr12", offsetof(CPUState, sr[12]) },
1938     { "sr13", offsetof(CPUState, sr[13]) },
1939     { "sr14", offsetof(CPUState, sr[14]) },
1940     { "sr15", offsetof(CPUState, sr[15]) },
1941     /* Too lazy to put BATs and SPRs ... */
1942 #elif defined(TARGET_SPARC)
1943     { "g0", offsetof(CPUState, gregs[0]) },
1944     { "g1", offsetof(CPUState, gregs[1]) },
1945     { "g2", offsetof(CPUState, gregs[2]) },
1946     { "g3", offsetof(CPUState, gregs[3]) },
1947     { "g4", offsetof(CPUState, gregs[4]) },
1948     { "g5", offsetof(CPUState, gregs[5]) },
1949     { "g6", offsetof(CPUState, gregs[6]) },
1950     { "g7", offsetof(CPUState, gregs[7]) },
1951     { "o0", 0, monitor_get_reg },
1952     { "o1", 1, monitor_get_reg },
1953     { "o2", 2, monitor_get_reg },
1954     { "o3", 3, monitor_get_reg },
1955     { "o4", 4, monitor_get_reg },
1956     { "o5", 5, monitor_get_reg },
1957     { "o6", 6, monitor_get_reg },
1958     { "o7", 7, monitor_get_reg },
1959     { "l0", 8, monitor_get_reg },
1960     { "l1", 9, monitor_get_reg },
1961     { "l2", 10, monitor_get_reg },
1962     { "l3", 11, monitor_get_reg },
1963     { "l4", 12, monitor_get_reg },
1964     { "l5", 13, monitor_get_reg },
1965     { "l6", 14, monitor_get_reg },
1966     { "l7", 15, monitor_get_reg },
1967     { "i0", 16, monitor_get_reg },
1968     { "i1", 17, monitor_get_reg },
1969     { "i2", 18, monitor_get_reg },
1970     { "i3", 19, monitor_get_reg },
1971     { "i4", 20, monitor_get_reg },
1972     { "i5", 21, monitor_get_reg },
1973     { "i6", 22, monitor_get_reg },
1974     { "i7", 23, monitor_get_reg },
1975     { "pc", offsetof(CPUState, pc) },
1976     { "npc", offsetof(CPUState, npc) },
1977     { "y", offsetof(CPUState, y) },
1978 #ifndef TARGET_SPARC64
1979     { "psr", 0, &monitor_get_psr, },
1980     { "wim", offsetof(CPUState, wim) },
1981 #endif
1982     { "tbr", offsetof(CPUState, tbr) },
1983     { "fsr", offsetof(CPUState, fsr) },
1984     { "f0", offsetof(CPUState, fpr[0]) },
1985     { "f1", offsetof(CPUState, fpr[1]) },
1986     { "f2", offsetof(CPUState, fpr[2]) },
1987     { "f3", offsetof(CPUState, fpr[3]) },
1988     { "f4", offsetof(CPUState, fpr[4]) },
1989     { "f5", offsetof(CPUState, fpr[5]) },
1990     { "f6", offsetof(CPUState, fpr[6]) },
1991     { "f7", offsetof(CPUState, fpr[7]) },
1992     { "f8", offsetof(CPUState, fpr[8]) },
1993     { "f9", offsetof(CPUState, fpr[9]) },
1994     { "f10", offsetof(CPUState, fpr[10]) },
1995     { "f11", offsetof(CPUState, fpr[11]) },
1996     { "f12", offsetof(CPUState, fpr[12]) },
1997     { "f13", offsetof(CPUState, fpr[13]) },
1998     { "f14", offsetof(CPUState, fpr[14]) },
1999     { "f15", offsetof(CPUState, fpr[15]) },
2000     { "f16", offsetof(CPUState, fpr[16]) },
2001     { "f17", offsetof(CPUState, fpr[17]) },
2002     { "f18", offsetof(CPUState, fpr[18]) },
2003     { "f19", offsetof(CPUState, fpr[19]) },
2004     { "f20", offsetof(CPUState, fpr[20]) },
2005     { "f21", offsetof(CPUState, fpr[21]) },
2006     { "f22", offsetof(CPUState, fpr[22]) },
2007     { "f23", offsetof(CPUState, fpr[23]) },
2008     { "f24", offsetof(CPUState, fpr[24]) },
2009     { "f25", offsetof(CPUState, fpr[25]) },
2010     { "f26", offsetof(CPUState, fpr[26]) },
2011     { "f27", offsetof(CPUState, fpr[27]) },
2012     { "f28", offsetof(CPUState, fpr[28]) },
2013     { "f29", offsetof(CPUState, fpr[29]) },
2014     { "f30", offsetof(CPUState, fpr[30]) },
2015     { "f31", offsetof(CPUState, fpr[31]) },
2016 #ifdef TARGET_SPARC64
2017     { "f32", offsetof(CPUState, fpr[32]) },
2018     { "f34", offsetof(CPUState, fpr[34]) },
2019     { "f36", offsetof(CPUState, fpr[36]) },
2020     { "f38", offsetof(CPUState, fpr[38]) },
2021     { "f40", offsetof(CPUState, fpr[40]) },
2022     { "f42", offsetof(CPUState, fpr[42]) },
2023     { "f44", offsetof(CPUState, fpr[44]) },
2024     { "f46", offsetof(CPUState, fpr[46]) },
2025     { "f48", offsetof(CPUState, fpr[48]) },
2026     { "f50", offsetof(CPUState, fpr[50]) },
2027     { "f52", offsetof(CPUState, fpr[52]) },
2028     { "f54", offsetof(CPUState, fpr[54]) },
2029     { "f56", offsetof(CPUState, fpr[56]) },
2030     { "f58", offsetof(CPUState, fpr[58]) },
2031     { "f60", offsetof(CPUState, fpr[60]) },
2032     { "f62", offsetof(CPUState, fpr[62]) },
2033     { "asi", offsetof(CPUState, asi) },
2034     { "pstate", offsetof(CPUState, pstate) },
2035     { "cansave", offsetof(CPUState, cansave) },
2036     { "canrestore", offsetof(CPUState, canrestore) },
2037     { "otherwin", offsetof(CPUState, otherwin) },
2038     { "wstate", offsetof(CPUState, wstate) },
2039     { "cleanwin", offsetof(CPUState, cleanwin) },
2040     { "fprs", offsetof(CPUState, fprs) },
2041 #endif
2042 #endif
2043     { NULL },
2044 };
2045
2046 static void expr_error(Monitor *mon, const char *msg)
2047 {
2048     monitor_printf(mon, "%s\n", msg);
2049     longjmp(expr_env, 1);
2050 }
2051
2052 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2053 static int get_monitor_def(target_long *pval, const char *name)
2054 {
2055     const MonitorDef *md;
2056     void *ptr;
2057
2058     for(md = monitor_defs; md->name != NULL; md++) {
2059         if (compare_cmd(name, md->name)) {
2060             if (md->get_value) {
2061                 *pval = md->get_value(md, md->offset);
2062             } else {
2063                 CPUState *env = mon_get_cpu();
2064                 if (!env)
2065                     return -2;
2066                 ptr = (uint8_t *)env + md->offset;
2067                 switch(md->type) {
2068                 case MD_I32:
2069                     *pval = *(int32_t *)ptr;
2070                     break;
2071                 case MD_TLONG:
2072                     *pval = *(target_long *)ptr;
2073                     break;
2074                 default:
2075                     *pval = 0;
2076                     break;
2077                 }
2078             }
2079             return 0;
2080         }
2081     }
2082     return -1;
2083 }
2084
2085 static void next(void)
2086 {
2087     if (pch != '\0') {
2088         pch++;
2089         while (qemu_isspace(*pch))
2090             pch++;
2091     }
2092 }
2093
2094 static int64_t expr_sum(Monitor *mon);
2095
2096 static int64_t expr_unary(Monitor *mon)
2097 {
2098     int64_t n;
2099     char *p;
2100     int ret;
2101
2102     switch(*pch) {
2103     case '+':
2104         next();
2105         n = expr_unary(mon);
2106         break;
2107     case '-':
2108         next();
2109         n = -expr_unary(mon);
2110         break;
2111     case '~':
2112         next();
2113         n = ~expr_unary(mon);
2114         break;
2115     case '(':
2116         next();
2117         n = expr_sum(mon);
2118         if (*pch != ')') {
2119             expr_error(mon, "')' expected");
2120         }
2121         next();
2122         break;
2123     case '\'':
2124         pch++;
2125         if (*pch == '\0')
2126             expr_error(mon, "character constant expected");
2127         n = *pch;
2128         pch++;
2129         if (*pch != '\'')
2130             expr_error(mon, "missing terminating \' character");
2131         next();
2132         break;
2133     case '$':
2134         {
2135             char buf[128], *q;
2136             target_long reg=0;
2137
2138             pch++;
2139             q = buf;
2140             while ((*pch >= 'a' && *pch <= 'z') ||
2141                    (*pch >= 'A' && *pch <= 'Z') ||
2142                    (*pch >= '0' && *pch <= '9') ||
2143                    *pch == '_' || *pch == '.') {
2144                 if ((q - buf) < sizeof(buf) - 1)
2145                     *q++ = *pch;
2146                 pch++;
2147             }
2148             while (qemu_isspace(*pch))
2149                 pch++;
2150             *q = 0;
2151             ret = get_monitor_def(&reg, buf);
2152             if (ret == -1)
2153                 expr_error(mon, "unknown register");
2154             else if (ret == -2)
2155                 expr_error(mon, "no cpu defined");
2156             n = reg;
2157         }
2158         break;
2159     case '\0':
2160         expr_error(mon, "unexpected end of expression");
2161         n = 0;
2162         break;
2163     default:
2164 #if TARGET_PHYS_ADDR_BITS > 32
2165         n = strtoull(pch, &p, 0);
2166 #else
2167         n = strtoul(pch, &p, 0);
2168 #endif
2169         if (pch == p) {
2170             expr_error(mon, "invalid char in expression");
2171         }
2172         pch = p;
2173         while (qemu_isspace(*pch))
2174             pch++;
2175         break;
2176     }
2177     return n;
2178 }
2179
2180
2181 static int64_t expr_prod(Monitor *mon)
2182 {
2183     int64_t val, val2;
2184     int op;
2185
2186     val = expr_unary(mon);
2187     for(;;) {
2188         op = *pch;
2189         if (op != '*' && op != '/' && op != '%')
2190             break;
2191         next();
2192         val2 = expr_unary(mon);
2193         switch(op) {
2194         default:
2195         case '*':
2196             val *= val2;
2197             break;
2198         case '/':
2199         case '%':
2200             if (val2 == 0)
2201                 expr_error(mon, "division by zero");
2202             if (op == '/')
2203                 val /= val2;
2204             else
2205                 val %= val2;
2206             break;
2207         }
2208     }
2209     return val;
2210 }
2211
2212 static int64_t expr_logic(Monitor *mon)
2213 {
2214     int64_t val, val2;
2215     int op;
2216
2217     val = expr_prod(mon);
2218     for(;;) {
2219         op = *pch;
2220         if (op != '&' && op != '|' && op != '^')
2221             break;
2222         next();
2223         val2 = expr_prod(mon);
2224         switch(op) {
2225         default:
2226         case '&':
2227             val &= val2;
2228             break;
2229         case '|':
2230             val |= val2;
2231             break;
2232         case '^':
2233             val ^= val2;
2234             break;
2235         }
2236     }
2237     return val;
2238 }
2239
2240 static int64_t expr_sum(Monitor *mon)
2241 {
2242     int64_t val, val2;
2243     int op;
2244
2245     val = expr_logic(mon);
2246     for(;;) {
2247         op = *pch;
2248         if (op != '+' && op != '-')
2249             break;
2250         next();
2251         val2 = expr_logic(mon);
2252         if (op == '+')
2253             val += val2;
2254         else
2255             val -= val2;
2256     }
2257     return val;
2258 }
2259
2260 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2261 {
2262     pch = *pp;
2263     if (setjmp(expr_env)) {
2264         *pp = pch;
2265         return -1;
2266     }
2267     while (qemu_isspace(*pch))
2268         pch++;
2269     *pval = expr_sum(mon);
2270     *pp = pch;
2271     return 0;
2272 }
2273
2274 static int get_str(char *buf, int buf_size, const char **pp)
2275 {
2276     const char *p;
2277     char *q;
2278     int c;
2279
2280     q = buf;
2281     p = *pp;
2282     while (qemu_isspace(*p))
2283         p++;
2284     if (*p == '\0') {
2285     fail:
2286         *q = '\0';
2287         *pp = p;
2288         return -1;
2289     }
2290     if (*p == '\"') {
2291         p++;
2292         while (*p != '\0' && *p != '\"') {
2293             if (*p == '\\') {
2294                 p++;
2295                 c = *p++;
2296                 switch(c) {
2297                 case 'n':
2298                     c = '\n';
2299                     break;
2300                 case 'r':
2301                     c = '\r';
2302                     break;
2303                 case '\\':
2304                 case '\'':
2305                 case '\"':
2306                     break;
2307                 default:
2308                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2309                     goto fail;
2310                 }
2311                 if ((q - buf) < buf_size - 1) {
2312                     *q++ = c;
2313                 }
2314             } else {
2315                 if ((q - buf) < buf_size - 1) {
2316                     *q++ = *p;
2317                 }
2318                 p++;
2319             }
2320         }
2321         if (*p != '\"') {
2322             qemu_printf("unterminated string\n");
2323             goto fail;
2324         }
2325         p++;
2326     } else {
2327         while (*p != '\0' && !qemu_isspace(*p)) {
2328             if ((q - buf) < buf_size - 1) {
2329                 *q++ = *p;
2330             }
2331             p++;
2332         }
2333     }
2334     *q = '\0';
2335     *pp = p;
2336     return 0;
2337 }
2338
2339 static int default_fmt_format = 'x';
2340 static int default_fmt_size = 4;
2341
2342 #define MAX_ARGS 16
2343
2344 static void monitor_handle_command(Monitor *mon, const char *cmdline)
2345 {
2346     const char *p, *pstart, *typestr;
2347     char *q;
2348     int c, nb_args, len, i, has_arg;
2349     const mon_cmd_t *cmd;
2350     char cmdname[256];
2351     char buf[1024];
2352     void *str_allocated[MAX_ARGS];
2353     void *args[MAX_ARGS];
2354     void (*handler_0)(Monitor *mon);
2355     void (*handler_1)(Monitor *mon, void *arg0);
2356     void (*handler_2)(Monitor *mon, void *arg0, void *arg1);
2357     void (*handler_3)(Monitor *mon, void *arg0, void *arg1, void *arg2);
2358     void (*handler_4)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2359                       void *arg3);
2360     void (*handler_5)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2361                       void *arg3, void *arg4);
2362     void (*handler_6)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2363                       void *arg3, void *arg4, void *arg5);
2364     void (*handler_7)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2365                       void *arg3, void *arg4, void *arg5, void *arg6);
2366
2367 #ifdef DEBUG
2368     monitor_printf(mon, "command='%s'\n", cmdline);
2369 #endif
2370
2371     /* extract the command name */
2372     p = cmdline;
2373     q = cmdname;
2374     while (qemu_isspace(*p))
2375         p++;
2376     if (*p == '\0')
2377         return;
2378     pstart = p;
2379     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2380         p++;
2381     len = p - pstart;
2382     if (len > sizeof(cmdname) - 1)
2383         len = sizeof(cmdname) - 1;
2384     memcpy(cmdname, pstart, len);
2385     cmdname[len] = '\0';
2386
2387     /* find the command */
2388     for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2389         if (compare_cmd(cmdname, cmd->name))
2390             goto found;
2391     }
2392     monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2393     return;
2394  found:
2395
2396     for(i = 0; i < MAX_ARGS; i++)
2397         str_allocated[i] = NULL;
2398
2399     /* parse the parameters */
2400     typestr = cmd->args_type;
2401     nb_args = 0;
2402     for(;;) {
2403         c = *typestr;
2404         if (c == '\0')
2405             break;
2406         typestr++;
2407         switch(c) {
2408         case 'F':
2409         case 'B':
2410         case 's':
2411             {
2412                 int ret;
2413                 char *str;
2414
2415                 while (qemu_isspace(*p))
2416                     p++;
2417                 if (*typestr == '?') {
2418                     typestr++;
2419                     if (*p == '\0') {
2420                         /* no optional string: NULL argument */
2421                         str = NULL;
2422                         goto add_str;
2423                     }
2424                 }
2425                 ret = get_str(buf, sizeof(buf), &p);
2426                 if (ret < 0) {
2427                     switch(c) {
2428                     case 'F':
2429                         monitor_printf(mon, "%s: filename expected\n",
2430                                        cmdname);
2431                         break;
2432                     case 'B':
2433                         monitor_printf(mon, "%s: block device name expected\n",
2434                                        cmdname);
2435                         break;
2436                     default:
2437                         monitor_printf(mon, "%s: string expected\n", cmdname);
2438                         break;
2439                     }
2440                     goto fail;
2441                 }
2442                 str = qemu_malloc(strlen(buf) + 1);
2443                 pstrcpy(str, sizeof(buf), buf);
2444                 str_allocated[nb_args] = str;
2445             add_str:
2446                 if (nb_args >= MAX_ARGS) {
2447                 error_args:
2448                     monitor_printf(mon, "%s: too many arguments\n", cmdname);
2449                     goto fail;
2450                 }
2451                 args[nb_args++] = str;
2452             }
2453             break;
2454         case '/':
2455             {
2456                 int count, format, size;
2457
2458                 while (qemu_isspace(*p))
2459                     p++;
2460                 if (*p == '/') {
2461                     /* format found */
2462                     p++;
2463                     count = 1;
2464                     if (qemu_isdigit(*p)) {
2465                         count = 0;
2466                         while (qemu_isdigit(*p)) {
2467                             count = count * 10 + (*p - '0');
2468                             p++;
2469                         }
2470                     }
2471                     size = -1;
2472                     format = -1;
2473                     for(;;) {
2474                         switch(*p) {
2475                         case 'o':
2476                         case 'd':
2477                         case 'u':
2478                         case 'x':
2479                         case 'i':
2480                         case 'c':
2481                             format = *p++;
2482                             break;
2483                         case 'b':
2484                             size = 1;
2485                             p++;
2486                             break;
2487                         case 'h':
2488                             size = 2;
2489                             p++;
2490                             break;
2491                         case 'w':
2492                             size = 4;
2493                             p++;
2494                             break;
2495                         case 'g':
2496                         case 'L':
2497                             size = 8;
2498                             p++;
2499                             break;
2500                         default:
2501                             goto next;
2502                         }
2503                     }
2504                 next:
2505                     if (*p != '\0' && !qemu_isspace(*p)) {
2506                         monitor_printf(mon, "invalid char in format: '%c'\n",
2507                                        *p);
2508                         goto fail;
2509                     }
2510                     if (format < 0)
2511                         format = default_fmt_format;
2512                     if (format != 'i') {
2513                         /* for 'i', not specifying a size gives -1 as size */
2514                         if (size < 0)
2515                             size = default_fmt_size;
2516                         default_fmt_size = size;
2517                     }
2518                     default_fmt_format = format;
2519                 } else {
2520                     count = 1;
2521                     format = default_fmt_format;
2522                     if (format != 'i') {
2523                         size = default_fmt_size;
2524                     } else {
2525                         size = -1;
2526                     }
2527                 }
2528                 if (nb_args + 3 > MAX_ARGS)
2529                     goto error_args;
2530                 args[nb_args++] = (void*)(long)count;
2531                 args[nb_args++] = (void*)(long)format;
2532                 args[nb_args++] = (void*)(long)size;
2533             }
2534             break;
2535         case 'i':
2536         case 'l':
2537             {
2538                 int64_t val;
2539
2540                 while (qemu_isspace(*p))
2541                     p++;
2542                 if (*typestr == '?' || *typestr == '.') {
2543                     if (*typestr == '?') {
2544                         if (*p == '\0')
2545                             has_arg = 0;
2546                         else
2547                             has_arg = 1;
2548                     } else {
2549                         if (*p == '.') {
2550                             p++;
2551                             while (qemu_isspace(*p))
2552                                 p++;
2553                             has_arg = 1;
2554                         } else {
2555                             has_arg = 0;
2556                         }
2557                     }
2558                     typestr++;
2559                     if (nb_args >= MAX_ARGS)
2560                         goto error_args;
2561                     args[nb_args++] = (void *)(long)has_arg;
2562                     if (!has_arg) {
2563                         if (nb_args >= MAX_ARGS)
2564                             goto error_args;
2565                         val = -1;
2566                         goto add_num;
2567                     }
2568                 }
2569                 if (get_expr(mon, &val, &p))
2570                     goto fail;
2571             add_num:
2572                 if (c == 'i') {
2573                     if (nb_args >= MAX_ARGS)
2574                         goto error_args;
2575                     args[nb_args++] = (void *)(long)val;
2576                 } else {
2577                     if ((nb_args + 1) >= MAX_ARGS)
2578                         goto error_args;
2579 #if TARGET_PHYS_ADDR_BITS > 32
2580                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2581 #else
2582                     args[nb_args++] = (void *)0;
2583 #endif
2584                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2585                 }
2586             }
2587             break;
2588         case '-':
2589             {
2590                 int has_option;
2591                 /* option */
2592
2593                 c = *typestr++;
2594                 if (c == '\0')
2595                     goto bad_type;
2596                 while (qemu_isspace(*p))
2597                     p++;
2598                 has_option = 0;
2599                 if (*p == '-') {
2600                     p++;
2601                     if (*p != c) {
2602                         monitor_printf(mon, "%s: unsupported option -%c\n",
2603                                        cmdname, *p);
2604                         goto fail;
2605                     }
2606                     p++;
2607                     has_option = 1;
2608                 }
2609                 if (nb_args >= MAX_ARGS)
2610                     goto error_args;
2611                 args[nb_args++] = (void *)(long)has_option;
2612             }
2613             break;
2614         default:
2615         bad_type:
2616             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
2617             goto fail;
2618         }
2619     }
2620     /* check that all arguments were parsed */
2621     while (qemu_isspace(*p))
2622         p++;
2623     if (*p != '\0') {
2624         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2625                        cmdname);
2626         goto fail;
2627     }
2628
2629     switch(nb_args) {
2630     case 0:
2631         handler_0 = cmd->handler;
2632         handler_0(mon);
2633         break;
2634     case 1:
2635         handler_1 = cmd->handler;
2636         handler_1(mon, args[0]);
2637         break;
2638     case 2:
2639         handler_2 = cmd->handler;
2640         handler_2(mon, args[0], args[1]);
2641         break;
2642     case 3:
2643         handler_3 = cmd->handler;
2644         handler_3(mon, args[0], args[1], args[2]);
2645         break;
2646     case 4:
2647         handler_4 = cmd->handler;
2648         handler_4(mon, args[0], args[1], args[2], args[3]);
2649         break;
2650     case 5:
2651         handler_5 = cmd->handler;
2652         handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
2653         break;
2654     case 6:
2655         handler_6 = cmd->handler;
2656         handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
2657         break;
2658     case 7:
2659         handler_7 = cmd->handler;
2660         handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
2661                   args[6]);
2662         break;
2663     default:
2664         monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
2665         goto fail;
2666     }
2667  fail:
2668     for(i = 0; i < MAX_ARGS; i++)
2669         qemu_free(str_allocated[i]);
2670     return;
2671 }
2672
2673 static void cmd_completion(const char *name, const char *list)
2674 {
2675     const char *p, *pstart;
2676     char cmd[128];
2677     int len;
2678
2679     p = list;
2680     for(;;) {
2681         pstart = p;
2682         p = strchr(p, '|');
2683         if (!p)
2684             p = pstart + strlen(pstart);
2685         len = p - pstart;
2686         if (len > sizeof(cmd) - 2)
2687             len = sizeof(cmd) - 2;
2688         memcpy(cmd, pstart, len);
2689         cmd[len] = '\0';
2690         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2691             readline_add_completion(cmd);
2692         }
2693         if (*p == '\0')
2694             break;
2695         p++;
2696     }
2697 }
2698
2699 static void file_completion(const char *input)
2700 {
2701     DIR *ffs;
2702     struct dirent *d;
2703     char path[1024];
2704     char file[1024], file_prefix[1024];
2705     int input_path_len;
2706     const char *p;
2707
2708     p = strrchr(input, '/');
2709     if (!p) {
2710         input_path_len = 0;
2711         pstrcpy(file_prefix, sizeof(file_prefix), input);
2712         pstrcpy(path, sizeof(path), ".");
2713     } else {
2714         input_path_len = p - input + 1;
2715         memcpy(path, input, input_path_len);
2716         if (input_path_len > sizeof(path) - 1)
2717             input_path_len = sizeof(path) - 1;
2718         path[input_path_len] = '\0';
2719         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2720     }
2721 #ifdef DEBUG_COMPLETION
2722     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
2723                    input, path, file_prefix);
2724 #endif
2725     ffs = opendir(path);
2726     if (!ffs)
2727         return;
2728     for(;;) {
2729         struct stat sb;
2730         d = readdir(ffs);
2731         if (!d)
2732             break;
2733         if (strstart(d->d_name, file_prefix, NULL)) {
2734             memcpy(file, input, input_path_len);
2735             if (input_path_len < sizeof(file))
2736                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
2737                         d->d_name);
2738             /* stat the file to find out if it's a directory.
2739              * In that case add a slash to speed up typing long paths
2740              */
2741             stat(file, &sb);
2742             if(S_ISDIR(sb.st_mode))
2743                 pstrcat(file, sizeof(file), "/");
2744             readline_add_completion(file);
2745         }
2746     }
2747     closedir(ffs);
2748 }
2749
2750 static void block_completion_it(void *opaque, BlockDriverState *bs)
2751 {
2752     const char *name = bdrv_get_device_name(bs);
2753     const char *input = opaque;
2754
2755     if (input[0] == '\0' ||
2756         !strncmp(name, (char *)input, strlen(input))) {
2757         readline_add_completion(name);
2758     }
2759 }
2760
2761 /* NOTE: this parser is an approximate form of the real command parser */
2762 static void parse_cmdline(const char *cmdline,
2763                          int *pnb_args, char **args)
2764 {
2765     const char *p;
2766     int nb_args, ret;
2767     char buf[1024];
2768
2769     p = cmdline;
2770     nb_args = 0;
2771     for(;;) {
2772         while (qemu_isspace(*p))
2773             p++;
2774         if (*p == '\0')
2775             break;
2776         if (nb_args >= MAX_ARGS)
2777             break;
2778         ret = get_str(buf, sizeof(buf), &p);
2779         args[nb_args] = qemu_strdup(buf);
2780         nb_args++;
2781         if (ret < 0)
2782             break;
2783     }
2784     *pnb_args = nb_args;
2785 }
2786
2787 void readline_find_completion(const char *cmdline)
2788 {
2789     const char *cmdname;
2790     char *args[MAX_ARGS];
2791     int nb_args, i, len;
2792     const char *ptype, *str;
2793     const mon_cmd_t *cmd;
2794     const KeyDef *key;
2795
2796     parse_cmdline(cmdline, &nb_args, args);
2797 #ifdef DEBUG_COMPLETION
2798     for(i = 0; i < nb_args; i++) {
2799         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
2800     }
2801 #endif
2802
2803     /* if the line ends with a space, it means we want to complete the
2804        next arg */
2805     len = strlen(cmdline);
2806     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
2807         if (nb_args >= MAX_ARGS)
2808             return;
2809         args[nb_args++] = qemu_strdup("");
2810     }
2811     if (nb_args <= 1) {
2812         /* command completion */
2813         if (nb_args == 0)
2814             cmdname = "";
2815         else
2816             cmdname = args[0];
2817         readline_set_completion_index(strlen(cmdname));
2818         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2819             cmd_completion(cmdname, cmd->name);
2820         }
2821     } else {
2822         /* find the command */
2823         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2824             if (compare_cmd(args[0], cmd->name))
2825                 goto found;
2826         }
2827         return;
2828     found:
2829         ptype = cmd->args_type;
2830         for(i = 0; i < nb_args - 2; i++) {
2831             if (*ptype != '\0') {
2832                 ptype++;
2833                 while (*ptype == '?')
2834                     ptype++;
2835             }
2836         }
2837         str = args[nb_args - 1];
2838         switch(*ptype) {
2839         case 'F':
2840             /* file completion */
2841             readline_set_completion_index(strlen(str));
2842             file_completion(str);
2843             break;
2844         case 'B':
2845             /* block device name completion */
2846             readline_set_completion_index(strlen(str));
2847             bdrv_iterate(block_completion_it, (void *)str);
2848             break;
2849         case 's':
2850             /* XXX: more generic ? */
2851             if (!strcmp(cmd->name, "info")) {
2852                 readline_set_completion_index(strlen(str));
2853                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2854                     cmd_completion(str, cmd->name);
2855                 }
2856             } else if (!strcmp(cmd->name, "sendkey")) {
2857                 readline_set_completion_index(strlen(str));
2858                 for(key = key_defs; key->name != NULL; key++) {
2859                     cmd_completion(str, key->name);
2860                 }
2861             }
2862             break;
2863         default:
2864             break;
2865         }
2866     }
2867     for(i = 0; i < nb_args; i++)
2868         qemu_free(args[i]);
2869 }
2870
2871 static int term_can_read(void *opaque)
2872 {
2873     return 128;
2874 }
2875
2876 static void term_read(void *opaque, const uint8_t *buf, int size)
2877 {
2878     int i;
2879
2880     for (i = 0; i < size; i++)
2881         readline_handle_byte(buf[i]);
2882 }
2883
2884 static int monitor_suspended;
2885
2886 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
2887 {
2888     monitor_handle_command(mon, cmdline);
2889     if (!monitor_suspended)
2890         readline_show_prompt();
2891     else
2892         monitor_suspended = 2;
2893 }
2894
2895 void monitor_suspend(Monitor *mon)
2896 {
2897     monitor_suspended = 1;
2898 }
2899
2900 void monitor_resume(Monitor *mon)
2901 {
2902     if (monitor_suspended == 2)
2903         monitor_start_input();
2904     monitor_suspended = 0;
2905 }
2906
2907 static void monitor_start_input(void)
2908 {
2909     readline_start("(qemu) ", 0, monitor_command_cb, NULL);
2910     readline_show_prompt();
2911 }
2912
2913 static void term_event(void *opaque, int event)
2914 {
2915     Monitor *mon = opaque;
2916
2917     if (event != CHR_EVENT_RESET)
2918         return;
2919
2920     if (!hide_banner)
2921         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
2922                        "information\n", QEMU_VERSION);
2923     monitor_start_input();
2924 }
2925
2926 static int is_first_init = 1;
2927
2928 void monitor_init(CharDriverState *chr, int show_banner)
2929 {
2930     Monitor *mon;
2931
2932     if (is_first_init) {
2933         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
2934         is_first_init = 0;
2935     }
2936
2937     mon = qemu_mallocz(sizeof(*mon));
2938
2939     hide_banner = !show_banner;
2940
2941     mon->chr = chr;
2942
2943     qemu_chr_add_handlers(chr, term_can_read, term_read, term_event, mon);
2944
2945     LIST_INSERT_HEAD(&mon_list, mon, entry);
2946     if (!cur_mon)
2947         cur_mon = mon;
2948
2949     readline_start("", 0, monitor_command_cb, NULL);
2950 }
2951
2952 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
2953 {
2954     BlockDriverState *bs = opaque;
2955     int ret = 0;
2956
2957     if (bdrv_set_key(bs, password) != 0) {
2958         monitor_printf(mon, "invalid password\n");
2959         ret = -EPERM;
2960     }
2961     if (password_completion_cb)
2962         password_completion_cb(password_opaque, ret);
2963
2964     monitor_start_input();
2965 }
2966
2967 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
2968                                  BlockDriverCompletionFunc *completion_cb,
2969                                  void *opaque)
2970 {
2971     if (!bdrv_key_required(bs)) {
2972         if (completion_cb)
2973             completion_cb(opaque, 0);
2974         return;
2975     }
2976
2977     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
2978                    bdrv_get_encrypted_filename(bs));
2979
2980     password_completion_cb = completion_cb;
2981     password_opaque = opaque;
2982
2983     monitor_read_password(mon, bdrv_password_cb, bs);
2984 }