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 <dirent.h>
  25 #include "hw/hw.h"
  26 #include "hw/qdev.h"
  27 #include "hw/usb.h"
  28 #include "hw/pcmcia.h"
  29 #include "hw/pc.h"
  30 #include "hw/pci.h"
  31 #include "hw/watchdog.h"
  32 #include "gdbstub.h"
  33 #include "net.h"
  34 #include "qemu-char.h"
  35 #include "sysemu.h"
  36 #include "monitor.h"
  37 #include "readline.h"
  38 #include "console.h"
  39 #include "block.h"
  40 #include "audio/audio.h"
  41 #include "disas.h"
  42 #include "balloon.h"
  43 #include "qemu-timer.h"
  44 #include "migration.h"
  45 #include "kvm.h"
  46 #include "acl.h"
  47 #include "exec-all.h"
  48
  49 #include "qemu-kvm.h"
  50
  51 //#define DEBUG
  52 //#define DEBUG_COMPLETION
  53
  54 /*
  55  * Supported types:
  56  *
  57  * 'F'          filename
  58  * 'B'          block device name
  59  * 's'          string (accept optional quote)
  60  * 'i'          32 bit integer
  61  * 'l'          target long (32 or 64 bit)
  62  * '/'          optional gdb-like print format (like "/10x")
  63  *
  64  * '?'          optional type (for 'F', 's' and 'i')
  65  *
  66  */
  67
  68 typedef struct mon_cmd_t {
  69     const char *name;
  70     const char *args_type;
  71     void *handler;
  72     const char *params;
  73     const char *help;
  74 } mon_cmd_t;
  75
  76 struct Monitor {
  77     CharDriverState *chr;
  78     int flags;
  79     int suspend_cnt;
  80     uint8_t outbuf[1024];
  81     int outbuf_index;
  82     ReadLineState *rs;
  83     CPUState *mon_cpu;
  84     BlockDriverCompletionFunc *password_completion_cb;
  85     void *password_opaque;
  86     LIST_ENTRY(Monitor) entry;
  87 };
  88
  89 static LIST_HEAD(mon_list, Monitor) mon_list;
  90
  91 static const mon_cmd_t mon_cmds[];
  92 static const mon_cmd_t info_cmds[];
  93
  94 Monitor *cur_mon = NULL;
  95
  96 static void monitor_command_cb(Monitor *mon, const char *cmdline,
  97                                void *opaque);
  98
  99 static void monitor_read_command(Monitor *mon, int show_prompt)
 100 {
 101     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
 102     if (show_prompt)
 103         readline_show_prompt(mon->rs);
 104 }
 105
 106 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 107                                  void *opaque)
 108 {
 109     if (mon->rs) {
 110         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 111         /* prompt is printed on return from the command handler */
 112         return 0;
 113     } else {
 114         monitor_printf(mon, "terminal does not support password prompting\n");
 115         return -ENOTTY;
 116     }
 117 }
 118
 119 void monitor_flush(Monitor *mon)
 120 {
 121     if (mon && mon->outbuf_index != 0 && mon->chr->focus == 0) {
 122         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 123         mon->outbuf_index = 0;
 124     }
 125 }
 126
 127 /* flush at every end of line or if the buffer is full */
 128 static void monitor_puts(Monitor *mon, const char *str)
 129 {
 130     char c;
 131
 132     if (!mon)
 133         return;
 134
 135     for(;;) {
 136         c = *str++;
 137         if (c == '\0')
 138             break;
 139         if (c == '\n')
 140             mon->outbuf[mon->outbuf_index++] = '\r';
 141         mon->outbuf[mon->outbuf_index++] = c;
 142         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 143             || c == '\n')
 144             monitor_flush(mon);
 145     }
 146 }
 147
 148 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 149 {
 150     char buf[4096];
 151     vsnprintf(buf, sizeof(buf), fmt, ap);
 152     monitor_puts(mon, buf);
 153 }
 154
 155 void monitor_printf(Monitor *mon, const char *fmt, ...)
 156 {
 157     va_list ap;
 158     va_start(ap, fmt);
 159     monitor_vprintf(mon, fmt, ap);
 160     va_end(ap);
 161 }
 162
 163 void monitor_print_filename(Monitor *mon, const char *filename)
 164 {
 165     int i;
 166
 167     for (i = 0; filename[i]; i++) {
 168         switch (filename[i]) {
 169         case ' ':
 170         case '"':
 171         case '\\':
 172             monitor_printf(mon, "\\%c", filename[i]);
 173             break;
 174         case '\t':
 175             monitor_printf(mon, "\\t");
 176             break;
 177         case '\r':
 178             monitor_printf(mon, "\\r");
 179             break;
 180         case '\n':
 181             monitor_printf(mon, "\\n");
 182             break;
 183         default:
 184             monitor_printf(mon, "%c", filename[i]);
 185             break;
 186         }
 187     }
 188 }
 189
 190 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 191 {
 192     va_list ap;
 193     va_start(ap, fmt);
 194     monitor_vprintf((Monitor *)stream, fmt, ap);
 195     va_end(ap);
 196     return 0;
 197 }
 198
 199 static int compare_cmd(const char *name, const char *list)
 200 {
 201     const char *p, *pstart;
 202     int len;
 203     len = strlen(name);
 204     p = list;
 205     for(;;) {
 206         pstart = p;
 207         p = strchr(p, '|');
 208         if (!p)
 209             p = pstart + strlen(pstart);
 210         if ((p - pstart) == len && !memcmp(pstart, name, len))
 211             return 1;
 212         if (*p == '\0')
 213             break;
 214         p++;
 215     }
 216     return 0;
 217 }
 218
 219 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 220                           const char *prefix, const char *name)
 221 {
 222     const mon_cmd_t *cmd;
 223
 224     for(cmd = cmds; cmd->name != NULL; cmd++) {
 225         if (!name || !strcmp(name, cmd->name))
 226             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 227                            cmd->params, cmd->help);
 228     }
 229 }
 230
 231 static void help_cmd(Monitor *mon, const char *name)
 232 {
 233     if (name && !strcmp(name, "info")) {
 234         help_cmd_dump(mon, info_cmds, "info ", NULL);
 235     } else {
 236         help_cmd_dump(mon, mon_cmds, "", name);
 237         if (name && !strcmp(name, "log")) {
 238             const CPULogItem *item;
 239             monitor_printf(mon, "Log items (comma separated):\n");
 240             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 241             for(item = cpu_log_items; item->mask != 0; item++) {
 242                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 243             }
 244         }
 245     }
 246 }
 247
 248 static void do_commit(Monitor *mon, const char *device)
 249 {
 250     int i, all_devices;
 251
 252     all_devices = !strcmp(device, "all");
 253     for (i = 0; i < nb_drives; i++) {
 254             if (all_devices ||
 255                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
 256                 bdrv_commit(drives_table[i].bdrv);
 257     }
 258 }
 259
 260 static void do_info(Monitor *mon, const char *item)
 261 {
 262     const mon_cmd_t *cmd;
 263     void (*handler)(Monitor *);
 264
 265     if (!item)
 266         goto help;
 267     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
 268         if (compare_cmd(item, cmd->name))
 269             goto found;
 270     }
 271  help:
 272     help_cmd(mon, "info");
 273     return;
 274  found:
 275     handler = cmd->handler;
 276     handler(mon);
 277 }
 278
 279 static void do_info_version(Monitor *mon)
 280 {
 281     monitor_printf(mon, "%s\n", QEMU_VERSION QEMU_PKGVERSION);
 282 }
 283
 284 static void do_info_name(Monitor *mon)
 285 {
 286     if (qemu_name)
 287         monitor_printf(mon, "%s\n", qemu_name);
 288 }
 289
 290 #if defined(TARGET_I386)
 291 static void do_info_hpet(Monitor *mon)
 292 {
 293     monitor_printf(mon, "HPET is %s by QEMU\n",
 294                    (no_hpet) ? "disabled" : "enabled");
 295 }
 296 #endif
 297
 298 static void do_info_uuid(Monitor *mon)
 299 {
 300     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 301                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 302                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 303                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 304                    qemu_uuid[14], qemu_uuid[15]);
 305 }
 306
 307 /* get the current CPU defined by the user */
 308 static int mon_set_cpu(int cpu_index)
 309 {
 310     CPUState *env;
 311
 312     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 313         if (env->cpu_index == cpu_index) {
 314             cur_mon->mon_cpu = env;
 315             return 0;
 316         }
 317     }
 318     return -1;
 319 }
 320
 321 static CPUState *mon_get_cpu(void)
 322 {
 323     if (!cur_mon->mon_cpu) {
 324         mon_set_cpu(0);
 325     }
 326     cpu_synchronize_state(cur_mon->mon_cpu, 0);
 327     return cur_mon->mon_cpu;
 328 }
 329
 330 static void do_info_registers(Monitor *mon)
 331 {
 332     CPUState *env;
 333     env = mon_get_cpu();
 334     if (!env)
 335         return;
 336 #ifdef TARGET_I386
 337     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 338                    X86_DUMP_FPU);
 339 #else
 340     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 341                    0);
 342 #endif
 343 }
 344
 345 static void do_info_cpus(Monitor *mon)
 346 {
 347     CPUState *env;
 348
 349     /* just to set the default cpu if not already done */
 350     mon_get_cpu();
 351
 352     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 353         cpu_synchronize_state(env, 0);
 354         monitor_printf(mon, "%c CPU #%d:",
 355                        (env == mon->mon_cpu) ? '*' : ' ',
 356                        env->cpu_index);
 357 #if defined(TARGET_I386)
 358         monitor_printf(mon, " pc=0x" TARGET_FMT_lx,
 359                        env->eip + env->segs[R_CS].base);
 360 #elif defined(TARGET_PPC)
 361         monitor_printf(mon, " nip=0x" TARGET_FMT_lx, env->nip);
 362 #elif defined(TARGET_SPARC)
 363         monitor_printf(mon, " pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx,
 364                        env->pc, env->npc);
 365 #elif defined(TARGET_MIPS)
 366         monitor_printf(mon, " PC=0x" TARGET_FMT_lx, env->active_tc.PC);
 367 #endif
 368         if (env->halted)
 369             monitor_printf(mon, " (halted)");
 370         monitor_printf(mon," thread_id=%d", env->thread_id);
 371         monitor_printf(mon, "\n");
 372     }
 373 }
 374
 375 static void do_cpu_set(Monitor *mon, int index)
 376 {
 377     if (mon_set_cpu(index) < 0)
 378         monitor_printf(mon, "Invalid CPU index\n");
 379 }
 380
 381 static void do_cpu_set_nr(Monitor *mon, int value, const char *status)
 382 {
 383     int state;
 384
 385     if (!strcmp(status, "online"))
 386        state = 1;
 387     else if (!strcmp(status, "offline"))
 388        state = 0;
 389     else {
 390         monitor_printf(mon, "invalid status: %s\n", status);
 391         return;
 392     }
 393 #if defined(TARGET_I386) || defined(TARGET_X86_64)
 394     qemu_system_cpu_hot_add(value, state);
 395 #endif
 396 }
 397
 398 static void do_info_jit(Monitor *mon)
 399 {
 400     dump_exec_info((FILE *)mon, monitor_fprintf);
 401 }
 402
 403 static void do_info_history(Monitor *mon)
 404 {
 405     int i;
 406     const char *str;
 407
 408     if (!mon->rs)
 409         return;
 410     i = 0;
 411     for(;;) {
 412         str = readline_get_history(mon->rs, i);
 413         if (!str)
 414             break;
 415         monitor_printf(mon, "%d: '%s'\n", i, str);
 416         i++;
 417     }
 418 }
 419
 420 #if defined(TARGET_PPC)
 421 /* XXX: not implemented in other targets */
 422 static void do_info_cpu_stats(Monitor *mon)
 423 {
 424     CPUState *env;
 425
 426     env = mon_get_cpu();
 427     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 428 }
 429 #endif
 430
 431 static void do_quit(Monitor *mon)
 432 {
 433     exit(0);
 434 }
 435
 436 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 437 {
 438     if (bdrv_is_inserted(bs)) {
 439         if (!force) {
 440             if (!bdrv_is_removable(bs)) {
 441                 monitor_printf(mon, "device is not removable\n");
 442                 return -1;
 443             }
 444             if (bdrv_is_locked(bs)) {
 445                 monitor_printf(mon, "device is locked\n");
 446                 return -1;
 447             }
 448         }
 449         bdrv_close(bs);
 450     }
 451     return 0;
 452 }
 453
 454 static void do_eject(Monitor *mon, int force, const char *filename)
 455 {
 456     BlockDriverState *bs;
 457
 458     bs = bdrv_find(filename);
 459     if (!bs) {
 460         monitor_printf(mon, "device not found\n");
 461         return;
 462     }
 463     eject_device(mon, bs, force);
 464 }
 465
 466 static void do_change_block(Monitor *mon, const char *device,
 467                             const char *filename, const char *fmt)
 468 {
 469     BlockDriverState *bs;
 470     BlockDriver *drv = NULL;
 471
 472     bs = bdrv_find(device);
 473     if (!bs) {
 474         monitor_printf(mon, "device not found\n");
 475         return;
 476     }
 477     if (fmt) {
 478         drv = bdrv_find_format(fmt);
 479         if (!drv) {
 480             monitor_printf(mon, "invalid format %s\n", fmt);
 481             return;
 482         }
 483     }
 484     if (eject_device(mon, bs, 0) < 0)
 485         return;
 486     bdrv_open2(bs, filename, 0, drv);
 487     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 488 }
 489
 490 static void change_vnc_password_cb(Monitor *mon, const char *password,
 491                                    void *opaque)
 492 {
 493     if (vnc_display_password(NULL, password) < 0)
 494         monitor_printf(mon, "could not set VNC server password\n");
 495
 496     monitor_read_command(mon, 1);
 497 }
 498
 499 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 500 {
 501     if (strcmp(target, "passwd") == 0 ||
 502         strcmp(target, "password") == 0) {
 503         if (arg) {
 504             char password[9];
 505             strncpy(password, arg, sizeof(password));
 506             password[sizeof(password) - 1] = '\0';
 507             change_vnc_password_cb(mon, password, NULL);
 508         } else {
 509             monitor_read_password(mon, change_vnc_password_cb, NULL);
 510         }
 511     } else {
 512         if (vnc_display_open(NULL, target) < 0)
 513             monitor_printf(mon, "could not start VNC server on %s\n", target);
 514     }
 515 }
 516
 517 static void do_change(Monitor *mon, const char *device, const char *target,
 518                       const char *arg)
 519 {
 520     if (strcmp(device, "vnc") == 0) {
 521         do_change_vnc(mon, target, arg);
 522     } else {
 523         do_change_block(mon, device, target, arg);
 524     }
 525 }
 526
 527 static void do_screen_dump(Monitor *mon, const char *filename)
 528 {
 529     vga_hw_screen_dump(filename);
 530 }
 531
 532 static void do_logfile(Monitor *mon, const char *filename)
 533 {
 534     cpu_set_log_filename(filename);
 535 }
 536
 537 static void do_log(Monitor *mon, const char *items)
 538 {
 539     int mask;
 540
 541     if (!strcmp(items, "none")) {
 542         mask = 0;
 543     } else {
 544         mask = cpu_str_to_log_mask(items);
 545         if (!mask) {
 546             help_cmd(mon, "log");
 547             return;
 548         }
 549     }
 550     cpu_set_log(mask);
 551 }
 552
 553 static void do_singlestep(Monitor *mon, const char *option)
 554 {
 555     if (!option || !strcmp(option, "on")) {
 556         singlestep = 1;
 557     } else if (!strcmp(option, "off")) {
 558         singlestep = 0;
 559     } else {
 560         monitor_printf(mon, "unexpected option %s\n", option);
 561     }
 562 }
 563
 564 static void do_stop(Monitor *mon)
 565 {
 566     vm_stop(EXCP_INTERRUPT);
 567 }
 568
 569 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 570
 571 struct bdrv_iterate_context {
 572     Monitor *mon;
 573     int err;
 574 };
 575
 576 static void do_cont(Monitor *mon)
 577 {
 578     struct bdrv_iterate_context context = { mon, 0 };
 579
 580     bdrv_iterate(encrypted_bdrv_it, &context);
 581     /* only resume the vm if all keys are set and valid */
 582     if (!context.err)
 583         vm_start();
 584 }
 585
 586 static void bdrv_key_cb(void *opaque, int err)
 587 {
 588     Monitor *mon = opaque;
 589
 590     /* another key was set successfully, retry to continue */
 591     if (!err)
 592         do_cont(mon);
 593 }
 594
 595 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 596 {
 597     struct bdrv_iterate_context *context = opaque;
 598
 599     if (!context->err && bdrv_key_required(bs)) {
 600         context->err = -EBUSY;
 601         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 602                                     context->mon);
 603     }
 604 }
 605
 606 static void do_gdbserver(Monitor *mon, const char *device)
 607 {
 608     if (!device)
 609         device = "tcp::" DEFAULT_GDBSTUB_PORT;
 610     if (gdbserver_start(device) < 0) {
 611         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
 612                        device);
 613     } else if (strcmp(device, "none") == 0) {
 614         monitor_printf(mon, "Disabled gdbserver\n");
 615     } else {
 616         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
 617                        device);
 618     }
 619 }
 620
 621 static void do_watchdog_action(Monitor *mon, const char *action)
 622 {
 623     if (select_watchdog_action(action) == -1) {
 624         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
 625     }
 626 }
 627
 628 static void monitor_printc(Monitor *mon, int c)
 629 {
 630     monitor_printf(mon, "'");
 631     switch(c) {
 632     case '\'':
 633         monitor_printf(mon, "\\'");
 634         break;
 635     case '\\':
 636         monitor_printf(mon, "\\\\");
 637         break;
 638     case '\n':
 639         monitor_printf(mon, "\\n");
 640         break;
 641     case '\r':
 642         monitor_printf(mon, "\\r");
 643         break;
 644     default:
 645         if (c >= 32 && c <= 126) {
 646             monitor_printf(mon, "%c", c);
 647         } else {
 648             monitor_printf(mon, "\\x%02x", c);
 649         }
 650         break;
 651     }
 652     monitor_printf(mon, "'");
 653 }
 654
 655 static void memory_dump(Monitor *mon, int count, int format, int wsize,
 656                         target_phys_addr_t addr, int is_physical)
 657 {
 658     CPUState *env;
 659     int nb_per_line, l, line_size, i, max_digits, len;
 660     uint8_t buf[16];
 661     uint64_t v;
 662
 663     if (format == 'i') {
 664         int flags;
 665         flags = 0;
 666         env = mon_get_cpu();
 667         if (!env && !is_physical)
 668             return;
 669 #ifdef TARGET_I386
 670         if (wsize == 2) {
 671             flags = 1;
 672         } else if (wsize == 4) {
 673             flags = 0;
 674         } else {
 675             /* as default we use the current CS size */
 676             flags = 0;
 677             if (env) {
 678 #ifdef TARGET_X86_64
 679                 if ((env->efer & MSR_EFER_LMA) &&
 680                     (env->segs[R_CS].flags & DESC_L_MASK))
 681                     flags = 2;
 682                 else
 683 #endif
 684                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
 685                     flags = 1;
 686             }
 687         }
 688 #endif
 689         monitor_disas(mon, env, addr, count, is_physical, flags);
 690         return;
 691     }
 692
 693     len = wsize * count;
 694     if (wsize == 1)
 695         line_size = 8;
 696     else
 697         line_size = 16;
 698     nb_per_line = line_size / wsize;
 699     max_digits = 0;
 700
 701     switch(format) {
 702     case 'o':
 703         max_digits = (wsize * 8 + 2) / 3;
 704         break;
 705     default:
 706     case 'x':
 707         max_digits = (wsize * 8) / 4;
 708         break;
 709     case 'u':
 710     case 'd':
 711         max_digits = (wsize * 8 * 10 + 32) / 33;
 712         break;
 713     case 'c':
 714         wsize = 1;
 715         break;
 716     }
 717
 718     while (len > 0) {
 719         if (is_physical)
 720             monitor_printf(mon, TARGET_FMT_plx ":", addr);
 721         else
 722             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
 723         l = len;
 724         if (l > line_size)
 725             l = line_size;
 726         if (is_physical) {
 727             cpu_physical_memory_rw(addr, buf, l, 0);
 728         } else {
 729             env = mon_get_cpu();
 730             if (!env)
 731                 break;
 732             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
 733                 monitor_printf(mon, " Cannot access memory\n");
 734                 break;
 735             }
 736         }
 737         i = 0;
 738         while (i < l) {
 739             switch(wsize) {
 740             default:
 741             case 1:
 742                 v = ldub_raw(buf + i);
 743                 break;
 744             case 2:
 745                 v = lduw_raw(buf + i);
 746                 break;
 747             case 4:
 748                 v = (uint32_t)ldl_raw(buf + i);
 749                 break;
 750             case 8:
 751                 v = ldq_raw(buf + i);
 752                 break;
 753             }
 754             monitor_printf(mon, " ");
 755             switch(format) {
 756             case 'o':
 757                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
 758                 break;
 759             case 'x':
 760                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
 761                 break;
 762             case 'u':
 763                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
 764                 break;
 765             case 'd':
 766                 monitor_printf(mon, "%*" PRId64, max_digits, v);
 767                 break;
 768             case 'c':
 769                 monitor_printc(mon, v);
 770                 break;
 771             }
 772             i += wsize;
 773         }
 774         monitor_printf(mon, "\n");
 775         addr += l;
 776         len -= l;
 777     }
 778 }
 779
 780 #if TARGET_LONG_BITS == 64
 781 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
 782 #else
 783 #define GET_TLONG(h, l) (l)
 784 #endif
 785
 786 static void do_memory_dump(Monitor *mon, int count, int format, int size,
 787                            uint32_t addrh, uint32_t addrl)
 788 {
 789     target_long addr = GET_TLONG(addrh, addrl);
 790     memory_dump(mon, count, format, size, addr, 0);
 791 }
 792
 793 #if TARGET_PHYS_ADDR_BITS > 32
 794 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
 795 #else
 796 #define GET_TPHYSADDR(h, l) (l)
 797 #endif
 798
 799 static void do_physical_memory_dump(Monitor *mon, int count, int format,
 800                                     int size, uint32_t addrh, uint32_t addrl)
 801
 802 {
 803     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
 804     memory_dump(mon, count, format, size, addr, 1);
 805 }
 806
 807 static void do_print(Monitor *mon, int count, int format, int size,
 808                      unsigned int valh, unsigned int vall)
 809 {
 810     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
 811 #if TARGET_PHYS_ADDR_BITS == 32
 812     switch(format) {
 813     case 'o':
 814         monitor_printf(mon, "%#o", val);
 815         break;
 816     case 'x':
 817         monitor_printf(mon, "%#x", val);
 818         break;
 819     case 'u':
 820         monitor_printf(mon, "%u", val);
 821         break;
 822     default:
 823     case 'd':
 824         monitor_printf(mon, "%d", val);
 825         break;
 826     case 'c':
 827         monitor_printc(mon, val);
 828         break;
 829     }
 830 #else
 831     switch(format) {
 832     case 'o':
 833         monitor_printf(mon, "%#" PRIo64, val);
 834         break;
 835     case 'x':
 836         monitor_printf(mon, "%#" PRIx64, val);
 837         break;
 838     case 'u':
 839         monitor_printf(mon, "%" PRIu64, val);
 840         break;
 841     default:
 842     case 'd':
 843         monitor_printf(mon, "%" PRId64, val);
 844         break;
 845     case 'c':
 846         monitor_printc(mon, val);
 847         break;
 848     }
 849 #endif
 850     monitor_printf(mon, "\n");
 851 }
 852
 853 static void do_memory_save(Monitor *mon, unsigned int valh, unsigned int vall,
 854                            uint32_t size, const char *filename)
 855 {
 856     FILE *f;
 857     target_long addr = GET_TLONG(valh, vall);
 858     uint32_t l;
 859     CPUState *env;
 860     uint8_t buf[1024];
 861
 862     env = mon_get_cpu();
 863     if (!env)
 864         return;
 865
 866     f = fopen(filename, "wb");
 867     if (!f) {
 868         monitor_printf(mon, "could not open '%s'\n", filename);
 869         return;
 870     }
 871     while (size != 0) {
 872         l = sizeof(buf);
 873         if (l > size)
 874             l = size;
 875         cpu_memory_rw_debug(env, addr, buf, l, 0);
 876         fwrite(buf, 1, l, f);
 877         addr += l;
 878         size -= l;
 879     }
 880     fclose(f);
 881 }
 882
 883 static void do_physical_memory_save(Monitor *mon, unsigned int valh,
 884                                     unsigned int vall, uint32_t size,
 885                                     const char *filename)
 886 {
 887     FILE *f;
 888     uint32_t l;
 889     uint8_t buf[1024];
 890     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
 891
 892     f = fopen(filename, "wb");
 893     if (!f) {
 894         monitor_printf(mon, "could not open '%s'\n", filename);
 895         return;
 896     }
 897     while (size != 0) {
 898         l = sizeof(buf);
 899         if (l > size)
 900             l = size;
 901         cpu_physical_memory_rw(addr, buf, l, 0);
 902         fwrite(buf, 1, l, f);
 903         fflush(f);
 904         addr += l;
 905         size -= l;
 906     }
 907     fclose(f);
 908 }
 909
 910 static void do_sum(Monitor *mon, uint32_t start, uint32_t size)
 911 {
 912     uint32_t addr;
 913     uint8_t buf[1];
 914     uint16_t sum;
 915
 916     sum = 0;
 917     for(addr = start; addr < (start + size); addr++) {
 918         cpu_physical_memory_rw(addr, buf, 1, 0);
 919         /* BSD sum algorithm ('sum' Unix command) */
 920         sum = (sum >> 1) | (sum << 15);
 921         sum += buf[0];
 922     }
 923     monitor_printf(mon, "%05d\n", sum);
 924 }
 925
 926 typedef struct {
 927     int keycode;
 928     const char *name;
 929 } KeyDef;
 930
 931 static const KeyDef key_defs[] = {
 932     { 0x2a, "shift" },
 933     { 0x36, "shift_r" },
 934
 935     { 0x38, "alt" },
 936     { 0xb8, "alt_r" },
 937     { 0x64, "altgr" },
 938     { 0xe4, "altgr_r" },
 939     { 0x1d, "ctrl" },
 940     { 0x9d, "ctrl_r" },
 941
 942     { 0xdd, "menu" },
 943
 944     { 0x01, "esc" },
 945
 946     { 0x02, "1" },
 947     { 0x03, "2" },
 948     { 0x04, "3" },
 949     { 0x05, "4" },
 950     { 0x06, "5" },
 951     { 0x07, "6" },
 952     { 0x08, "7" },
 953     { 0x09, "8" },
 954     { 0x0a, "9" },
 955     { 0x0b, "0" },
 956     { 0x0c, "minus" },
 957     { 0x0d, "equal" },
 958     { 0x0e, "backspace" },
 959
 960     { 0x0f, "tab" },
 961     { 0x10, "q" },
 962     { 0x11, "w" },
 963     { 0x12, "e" },
 964     { 0x13, "r" },
 965     { 0x14, "t" },
 966     { 0x15, "y" },
 967     { 0x16, "u" },
 968     { 0x17, "i" },
 969     { 0x18, "o" },
 970     { 0x19, "p" },
 971
 972     { 0x1c, "ret" },
 973
 974     { 0x1e, "a" },
 975     { 0x1f, "s" },
 976     { 0x20, "d" },
 977     { 0x21, "f" },
 978     { 0x22, "g" },
 979     { 0x23, "h" },
 980     { 0x24, "j" },
 981     { 0x25, "k" },
 982     { 0x26, "l" },
 983
 984     { 0x2c, "z" },
 985     { 0x2d, "x" },
 986     { 0x2e, "c" },
 987     { 0x2f, "v" },
 988     { 0x30, "b" },
 989     { 0x31, "n" },
 990     { 0x32, "m" },
 991     { 0x33, "comma" },
 992     { 0x34, "dot" },
 993     { 0x35, "slash" },
 994
 995     { 0x37, "asterisk" },
 996
 997     { 0x39, "spc" },
 998     { 0x3a, "caps_lock" },
 999     { 0x3b, "f1" },
1000     { 0x3c, "f2" },
1001     { 0x3d, "f3" },
1002     { 0x3e, "f4" },
1003     { 0x3f, "f5" },
1004     { 0x40, "f6" },
1005     { 0x41, "f7" },
1006     { 0x42, "f8" },
1007     { 0x43, "f9" },
1008     { 0x44, "f10" },
1009     { 0x45, "num_lock" },
1010     { 0x46, "scroll_lock" },
1011
1012     { 0xb5, "kp_divide" },
1013     { 0x37, "kp_multiply" },
1014     { 0x4a, "kp_subtract" },
1015     { 0x4e, "kp_add" },
1016     { 0x9c, "kp_enter" },
1017     { 0x53, "kp_decimal" },
1018     { 0x54, "sysrq" },
1019
1020     { 0x52, "kp_0" },
1021     { 0x4f, "kp_1" },
1022     { 0x50, "kp_2" },
1023     { 0x51, "kp_3" },
1024     { 0x4b, "kp_4" },
1025     { 0x4c, "kp_5" },
1026     { 0x4d, "kp_6" },
1027     { 0x47, "kp_7" },
1028     { 0x48, "kp_8" },
1029     { 0x49, "kp_9" },
1030
1031     { 0x56, "<" },
1032
1033     { 0x57, "f11" },
1034     { 0x58, "f12" },
1035
1036     { 0xb7, "print" },
1037
1038     { 0xc7, "home" },
1039     { 0xc9, "pgup" },
1040     { 0xd1, "pgdn" },
1041     { 0xcf, "end" },
1042
1043     { 0xcb, "left" },
1044     { 0xc8, "up" },
1045     { 0xd0, "down" },
1046     { 0xcd, "right" },
1047
1048     { 0xd2, "insert" },
1049     { 0xd3, "delete" },
1050 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1051     { 0xf0, "stop" },
1052     { 0xf1, "again" },
1053     { 0xf2, "props" },
1054     { 0xf3, "undo" },
1055     { 0xf4, "front" },
1056     { 0xf5, "copy" },
1057     { 0xf6, "open" },
1058     { 0xf7, "paste" },
1059     { 0xf8, "find" },
1060     { 0xf9, "cut" },
1061     { 0xfa, "lf" },
1062     { 0xfb, "help" },
1063     { 0xfc, "meta_l" },
1064     { 0xfd, "meta_r" },
1065     { 0xfe, "compose" },
1066 #endif
1067     { 0, NULL },
1068 };
1069
1070 static int get_keycode(const char *key)
1071 {
1072     const KeyDef *p;
1073     char *endp;
1074     int ret;
1075
1076     for(p = key_defs; p->name != NULL; p++) {
1077         if (!strcmp(key, p->name))
1078             return p->keycode;
1079     }
1080     if (strstart(key, "0x", NULL)) {
1081         ret = strtoul(key, &endp, 0);
1082         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1083             return ret;
1084     }
1085     return -1;
1086 }
1087
1088 #define MAX_KEYCODES 16
1089 static uint8_t keycodes[MAX_KEYCODES];
1090 static int nb_pending_keycodes;
1091 static QEMUTimer *key_timer;
1092
1093 static void release_keys(void *opaque)
1094 {
1095     int keycode;
1096
1097     while (nb_pending_keycodes > 0) {
1098         nb_pending_keycodes--;
1099         keycode = keycodes[nb_pending_keycodes];
1100         if (keycode & 0x80)
1101             kbd_put_keycode(0xe0);
1102         kbd_put_keycode(keycode | 0x80);
1103     }
1104 }
1105
1106 static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
1107                        int hold_time)
1108 {
1109     char keyname_buf[16];
1110     char *separator;
1111     int keyname_len, keycode, i;
1112
1113     if (nb_pending_keycodes > 0) {
1114         qemu_del_timer(key_timer);
1115         release_keys(NULL);
1116     }
1117     if (!has_hold_time)
1118         hold_time = 100;
1119     i = 0;
1120     while (1) {
1121         separator = strchr(string, '-');
1122         keyname_len = separator ? separator - string : strlen(string);
1123         if (keyname_len > 0) {
1124             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1125             if (keyname_len > sizeof(keyname_buf) - 1) {
1126                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1127                 return;
1128             }
1129             if (i == MAX_KEYCODES) {
1130                 monitor_printf(mon, "too many keys\n");
1131                 return;
1132             }
1133             keyname_buf[keyname_len] = 0;
1134             keycode = get_keycode(keyname_buf);
1135             if (keycode < 0) {
1136                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1137                 return;
1138             }
1139             keycodes[i++] = keycode;
1140         }
1141         if (!separator)
1142             break;
1143         string = separator + 1;
1144     }
1145     nb_pending_keycodes = i;
1146     /* key down events */
1147     for (i = 0; i < nb_pending_keycodes; i++) {
1148         keycode = keycodes[i];
1149         if (keycode & 0x80)
1150             kbd_put_keycode(0xe0);
1151         kbd_put_keycode(keycode & 0x7f);
1152     }
1153     /* delayed key up events */
1154     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1155                     muldiv64(ticks_per_sec, hold_time, 1000));
1156 }
1157
1158 static int mouse_button_state;
1159
1160 static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
1161                           const char *dz_str)
1162 {
1163     int dx, dy, dz;
1164     dx = strtol(dx_str, NULL, 0);
1165     dy = strtol(dy_str, NULL, 0);
1166     dz = 0;
1167     if (dz_str)
1168         dz = strtol(dz_str, NULL, 0);
1169     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1170 }
1171
1172 static void do_mouse_button(Monitor *mon, int button_state)
1173 {
1174     mouse_button_state = button_state;
1175     kbd_mouse_event(0, 0, 0, mouse_button_state);
1176 }
1177
1178 static void do_ioport_read(Monitor *mon, int count, int format, int size,
1179                            int addr, int has_index, int index)
1180 {
1181     uint32_t val;
1182     int suffix;
1183
1184     if (has_index) {
1185         cpu_outb(NULL, addr & 0xffff, index & 0xff);
1186         addr++;
1187     }
1188     addr &= 0xffff;
1189
1190     switch(size) {
1191     default:
1192     case 1:
1193         val = cpu_inb(NULL, addr);
1194         suffix = 'b';
1195         break;
1196     case 2:
1197         val = cpu_inw(NULL, addr);
1198         suffix = 'w';
1199         break;
1200     case 4:
1201         val = cpu_inl(NULL, addr);
1202         suffix = 'l';
1203         break;
1204     }
1205     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1206                    suffix, addr, size * 2, val);
1207 }
1208
1209 /* boot_set handler */
1210 static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
1211 static void *boot_opaque;
1212
1213 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1214 {
1215     qemu_boot_set_handler = func;
1216     boot_opaque = opaque;
1217 }
1218
1219 static void do_boot_set(Monitor *mon, const char *bootdevice)
1220 {
1221     int res;
1222
1223     if (qemu_boot_set_handler)  {
1224         res = qemu_boot_set_handler(boot_opaque, bootdevice);
1225         if (res == 0)
1226             monitor_printf(mon, "boot device list now set to %s\n",
1227                            bootdevice);
1228         else
1229             monitor_printf(mon, "setting boot device list failed with "
1230                            "error %i\n", res);
1231     } else {
1232         monitor_printf(mon, "no function defined to set boot device list for "
1233                        "this architecture\n");
1234     }
1235 }
1236
1237 static void do_system_reset(Monitor *mon)
1238 {
1239     qemu_system_reset_request();
1240 }
1241
1242 static void do_system_powerdown(Monitor *mon)
1243 {
1244     qemu_system_powerdown_request();
1245 }
1246
1247 #if defined(TARGET_I386)
1248 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1249 {
1250     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1251                    addr,
1252                    pte & mask,
1253                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1254                    pte & PG_PSE_MASK ? 'P' : '-',
1255                    pte & PG_DIRTY_MASK ? 'D' : '-',
1256                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1257                    pte & PG_PCD_MASK ? 'C' : '-',
1258                    pte & PG_PWT_MASK ? 'T' : '-',
1259                    pte & PG_USER_MASK ? 'U' : '-',
1260                    pte & PG_RW_MASK ? 'W' : '-');
1261 }
1262
1263 static void tlb_info(Monitor *mon)
1264 {
1265     CPUState *env;
1266     int l1, l2;
1267     uint32_t pgd, pde, pte;
1268
1269     env = mon_get_cpu();
1270     if (!env)
1271         return;
1272
1273     if (!(env->cr[0] & CR0_PG_MASK)) {
1274         monitor_printf(mon, "PG disabled\n");
1275         return;
1276     }
1277     pgd = env->cr[3] & ~0xfff;
1278     for(l1 = 0; l1 < 1024; l1++) {
1279         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1280         pde = le32_to_cpu(pde);
1281         if (pde & PG_PRESENT_MASK) {
1282             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1283                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1284             } else {
1285                 for(l2 = 0; l2 < 1024; l2++) {
1286                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1287                                              (uint8_t *)&pte, 4);
1288                     pte = le32_to_cpu(pte);
1289                     if (pte & PG_PRESENT_MASK) {
1290                         print_pte(mon, (l1 << 22) + (l2 << 12),
1291                                   pte & ~PG_PSE_MASK,
1292                                   ~0xfff);
1293                     }
1294                 }
1295             }
1296         }
1297     }
1298 }
1299
1300 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1301                       uint32_t end, int prot)
1302 {
1303     int prot1;
1304     prot1 = *plast_prot;
1305     if (prot != prot1) {
1306         if (*pstart != -1) {
1307             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1308                            *pstart, end, end - *pstart,
1309                            prot1 & PG_USER_MASK ? 'u' : '-',
1310                            'r',
1311                            prot1 & PG_RW_MASK ? 'w' : '-');
1312         }
1313         if (prot != 0)
1314             *pstart = end;
1315         else
1316             *pstart = -1;
1317         *plast_prot = prot;
1318     }
1319 }
1320
1321 static void mem_info(Monitor *mon)
1322 {
1323     CPUState *env;
1324     int l1, l2, prot, last_prot;
1325     uint32_t pgd, pde, pte, start, end;
1326
1327     env = mon_get_cpu();
1328     if (!env)
1329         return;
1330
1331     if (!(env->cr[0] & CR0_PG_MASK)) {
1332         monitor_printf(mon, "PG disabled\n");
1333         return;
1334     }
1335     pgd = env->cr[3] & ~0xfff;
1336     last_prot = 0;
1337     start = -1;
1338     for(l1 = 0; l1 < 1024; l1++) {
1339         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1340         pde = le32_to_cpu(pde);
1341         end = l1 << 22;
1342         if (pde & PG_PRESENT_MASK) {
1343             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1344                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1345                 mem_print(mon, &start, &last_prot, end, prot);
1346             } else {
1347                 for(l2 = 0; l2 < 1024; l2++) {
1348                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1349                                              (uint8_t *)&pte, 4);
1350                     pte = le32_to_cpu(pte);
1351                     end = (l1 << 22) + (l2 << 12);
1352                     if (pte & PG_PRESENT_MASK) {
1353                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1354                     } else {
1355                         prot = 0;
1356                     }
1357                     mem_print(mon, &start, &last_prot, end, prot);
1358                 }
1359             }
1360         } else {
1361             prot = 0;
1362             mem_print(mon, &start, &last_prot, end, prot);
1363         }
1364     }
1365 }
1366 #endif
1367
1368 #if defined(TARGET_SH4)
1369
1370 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1371 {
1372     monitor_printf(mon, " tlb%i:\t"
1373                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1374                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1375                    "dirty=%hhu writethrough=%hhu\n",
1376                    idx,
1377                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1378                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1379                    tlb->d, tlb->wt);
1380 }
1381
1382 static void tlb_info(Monitor *mon)
1383 {
1384     CPUState *env = mon_get_cpu();
1385     int i;
1386
1387     monitor_printf (mon, "ITLB:\n");
1388     for (i = 0 ; i < ITLB_SIZE ; i++)
1389         print_tlb (mon, i, &env->itlb[i]);
1390     monitor_printf (mon, "UTLB:\n");
1391     for (i = 0 ; i < UTLB_SIZE ; i++)
1392         print_tlb (mon, i, &env->utlb[i]);
1393 }
1394
1395 #endif
1396
1397 static void do_info_kqemu(Monitor *mon)
1398 {
1399 #ifdef CONFIG_KQEMU
1400     CPUState *env;
1401     int val;
1402     val = 0;
1403     env = mon_get_cpu();
1404     if (!env) {
1405         monitor_printf(mon, "No cpu initialized yet");
1406         return;
1407     }
1408     val = env->kqemu_enabled;
1409     monitor_printf(mon, "kqemu support: ");
1410     switch(val) {
1411     default:
1412     case 0:
1413         monitor_printf(mon, "disabled\n");
1414         break;
1415     case 1:
1416         monitor_printf(mon, "enabled for user code\n");
1417         break;
1418     case 2:
1419         monitor_printf(mon, "enabled for user and kernel code\n");
1420         break;
1421     }
1422 #else
1423     monitor_printf(mon, "kqemu support: not compiled\n");
1424 #endif
1425 }
1426
1427 static void do_info_kvm(Monitor *mon)
1428 {
1429 #if defined(USE_KVM) || defined(CONFIG_KVM)
1430     monitor_printf(mon, "kvm support: ");
1431     if (kvm_enabled())
1432         monitor_printf(mon, "enabled\n");
1433     else
1434         monitor_printf(mon, "disabled\n");
1435 #else
1436     monitor_printf(mon, "kvm support: not compiled\n");
1437 #endif
1438 }
1439
1440 static void do_info_numa(Monitor *mon)
1441 {
1442     int i;
1443     CPUState *env;
1444
1445     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1446     for (i = 0; i < nb_numa_nodes; i++) {
1447         monitor_printf(mon, "node %d cpus:", i);
1448         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1449             if (env->numa_node == i) {
1450                 monitor_printf(mon, " %d", env->cpu_index);
1451             }
1452         }
1453         monitor_printf(mon, "\n");
1454         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1455             node_mem[i] >> 20);
1456     }
1457 }
1458
1459 #ifdef CONFIG_PROFILER
1460
1461 int64_t kqemu_time;
1462 int64_t qemu_time;
1463 int64_t kqemu_exec_count;
1464 int64_t dev_time;
1465 int64_t kqemu_ret_int_count;
1466 int64_t kqemu_ret_excp_count;
1467 int64_t kqemu_ret_intr_count;
1468
1469 static void do_info_profile(Monitor *mon)
1470 {
1471     int64_t total;
1472     total = qemu_time;
1473     if (total == 0)
1474         total = 1;
1475     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1476                    dev_time, dev_time / (double)ticks_per_sec);
1477     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1478                    qemu_time, qemu_time / (double)ticks_per_sec);
1479     monitor_printf(mon, "kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%"
1480                         PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
1481                         PRId64 "\n",
1482                    kqemu_time, kqemu_time / (double)ticks_per_sec,
1483                    kqemu_time / (double)total * 100.0,
1484                    kqemu_exec_count,
1485                    kqemu_ret_int_count,
1486                    kqemu_ret_excp_count,
1487                    kqemu_ret_intr_count);
1488     qemu_time = 0;
1489     kqemu_time = 0;
1490     kqemu_exec_count = 0;
1491     dev_time = 0;
1492     kqemu_ret_int_count = 0;
1493     kqemu_ret_excp_count = 0;
1494     kqemu_ret_intr_count = 0;
1495 #ifdef CONFIG_KQEMU
1496     kqemu_record_dump();
1497 #endif
1498 }
1499 #else
1500 static void do_info_profile(Monitor *mon)
1501 {
1502     monitor_printf(mon, "Internal profiler not compiled\n");
1503 }
1504 #endif
1505
1506 /* Capture support */
1507 static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1508
1509 static void do_info_capture(Monitor *mon)
1510 {
1511     int i;
1512     CaptureState *s;
1513
1514     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1515         monitor_printf(mon, "[%d]: ", i);
1516         s->ops.info (s->opaque);
1517     }
1518 }
1519
1520 #ifdef HAS_AUDIO
1521 static void do_stop_capture(Monitor *mon, int n)
1522 {
1523     int i;
1524     CaptureState *s;
1525
1526     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1527         if (i == n) {
1528             s->ops.destroy (s->opaque);
1529             LIST_REMOVE (s, entries);
1530             qemu_free (s);
1531             return;
1532         }
1533     }
1534 }
1535
1536 static void do_wav_capture(Monitor *mon, const char *path,
1537                            int has_freq, int freq,
1538                            int has_bits, int bits,
1539                            int has_channels, int nchannels)
1540 {
1541     CaptureState *s;
1542
1543     s = qemu_mallocz (sizeof (*s));
1544
1545     freq = has_freq ? freq : 44100;
1546     bits = has_bits ? bits : 16;
1547     nchannels = has_channels ? nchannels : 2;
1548
1549     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1550         monitor_printf(mon, "Faied to add wave capture\n");
1551         qemu_free (s);
1552     }
1553     LIST_INSERT_HEAD (&capture_head, s, entries);
1554 }
1555 #endif
1556
1557 #if defined(TARGET_I386)
1558 static void do_inject_nmi(Monitor *mon, int cpu_index)
1559 {
1560     CPUState *env;
1561
1562     for (env = first_cpu; env != NULL; env = env->next_cpu)
1563         if (env->cpu_index == cpu_index) {
1564             if (kvm_enabled())
1565                 kvm_inject_interrupt(env, CPU_INTERRUPT_NMI);
1566             else
1567                 cpu_interrupt(env, CPU_INTERRUPT_NMI);
1568             break;
1569         }
1570 }
1571 #endif
1572
1573 static void do_info_status(Monitor *mon)
1574 {
1575     if (vm_running) {
1576         if (singlestep) {
1577             monitor_printf(mon, "VM status: running (single step mode)\n");
1578         } else {
1579             monitor_printf(mon, "VM status: running\n");
1580         }
1581     } else
1582        monitor_printf(mon, "VM status: paused\n");
1583 }
1584
1585
1586 static void do_balloon(Monitor *mon, int value)
1587 {
1588     ram_addr_t target = value;
1589     qemu_balloon(target << 20);
1590 }
1591
1592 static void do_info_balloon(Monitor *mon)
1593 {
1594     ram_addr_t actual;
1595
1596     actual = qemu_balloon_status();
1597     if (kvm_enabled() && !kvm_has_sync_mmu())
1598         monitor_printf(mon, "Using KVM without synchronous MMU, "
1599                        "ballooning disabled\n");
1600     else if (actual == 0)
1601         monitor_printf(mon, "Ballooning not activated in VM\n");
1602     else
1603         monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1604 }
1605
1606 static qemu_acl *find_acl(Monitor *mon, const char *name)
1607 {
1608     qemu_acl *acl = qemu_acl_find(name);
1609
1610     if (!acl) {
1611         monitor_printf(mon, "acl: unknown list '%s'\n", name);
1612     }
1613     return acl;
1614 }
1615
1616 static void do_acl_show(Monitor *mon, const char *aclname)
1617 {
1618     qemu_acl *acl = find_acl(mon, aclname);
1619     qemu_acl_entry *entry;
1620     int i = 0;
1621
1622     if (acl) {
1623         monitor_printf(mon, "policy: %s\n",
1624                        acl->defaultDeny ? "deny" : "allow");
1625         TAILQ_FOREACH(entry, &acl->entries, next) {
1626             i++;
1627             monitor_printf(mon, "%d: %s %s\n", i,
1628                            entry->deny ? "deny" : "allow", entry->match);
1629         }
1630     }
1631 }
1632
1633 static void do_acl_reset(Monitor *mon, const char *aclname)
1634 {
1635     qemu_acl *acl = find_acl(mon, aclname);
1636
1637     if (acl) {
1638         qemu_acl_reset(acl);
1639         monitor_printf(mon, "acl: removed all rules\n");
1640     }
1641 }
1642
1643 static void do_acl_policy(Monitor *mon, const char *aclname,
1644                           const char *policy)
1645 {
1646     qemu_acl *acl = find_acl(mon, aclname);
1647
1648     if (acl) {
1649         if (strcmp(policy, "allow") == 0) {
1650             acl->defaultDeny = 0;
1651             monitor_printf(mon, "acl: policy set to 'allow'\n");
1652         } else if (strcmp(policy, "deny") == 0) {
1653             acl->defaultDeny = 1;
1654             monitor_printf(mon, "acl: policy set to 'deny'\n");
1655         } else {
1656             monitor_printf(mon, "acl: unknown policy '%s', "
1657                            "expected 'deny' or 'allow'\n", policy);
1658         }
1659     }
1660 }
1661
1662 static void do_acl_add(Monitor *mon, const char *aclname,
1663                        const char *match, const char *policy,
1664                        int has_index, int index)
1665 {
1666     qemu_acl *acl = find_acl(mon, aclname);
1667     int deny, ret;
1668
1669     if (acl) {
1670         if (strcmp(policy, "allow") == 0) {
1671             deny = 0;
1672         } else if (strcmp(policy, "deny") == 0) {
1673             deny = 1;
1674         } else {
1675             monitor_printf(mon, "acl: unknown policy '%s', "
1676                            "expected 'deny' or 'allow'\n", policy);
1677             return;
1678         }
1679         if (has_index)
1680             ret = qemu_acl_insert(acl, deny, match, index);
1681         else
1682             ret = qemu_acl_append(acl, deny, match);
1683         if (ret < 0)
1684             monitor_printf(mon, "acl: unable to add acl entry\n");
1685         else
1686             monitor_printf(mon, "acl: added rule at position %d\n", ret);
1687     }
1688 }
1689
1690 static void do_acl_remove(Monitor *mon, const char *aclname, const char *match)
1691 {
1692     qemu_acl *acl = find_acl(mon, aclname);
1693     int ret;
1694
1695     if (acl) {
1696         ret = qemu_acl_remove(acl, match);
1697         if (ret < 0)
1698             monitor_printf(mon, "acl: no matching acl entry\n");
1699         else
1700             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1701     }
1702 }
1703
1704 static const mon_cmd_t mon_cmds[] = {
1705 #include "qemu-monitor.h"
1706     { NULL, NULL, },
1707 };
1708
1709 /* Please update qemu-monitor.hx when adding or changing commands */
1710 static const mon_cmd_t info_cmds[] = {
1711     { "version", "", do_info_version,
1712       "", "show the version of QEMU" },
1713     { "network", "", do_info_network,
1714       "", "show the network state" },
1715     { "chardev", "", qemu_chr_info,
1716       "", "show the character devices" },
1717     { "block", "", bdrv_info,
1718       "", "show the block devices" },
1719     { "blockstats", "", bdrv_info_stats,
1720       "", "show block device statistics" },
1721     { "registers", "", do_info_registers,
1722       "", "show the cpu registers" },
1723     { "cpus", "", do_info_cpus,
1724       "", "show infos for each CPU" },
1725     { "history", "", do_info_history,
1726       "", "show the command line history", },
1727     { "irq", "", irq_info,
1728       "", "show the interrupts statistics (if available)", },
1729     { "pic", "", pic_info,
1730       "", "show i8259 (PIC) state", },
1731     { "pci", "", pci_info,
1732       "", "show PCI info", },
1733 #if defined(TARGET_I386) || defined(TARGET_SH4)
1734     { "tlb", "", tlb_info,
1735       "", "show virtual to physical memory mappings", },
1736 #endif
1737 #if defined(TARGET_I386)
1738     { "mem", "", mem_info,
1739       "", "show the active virtual memory mappings", },
1740     { "hpet", "", do_info_hpet,
1741       "", "show state of HPET", },
1742 #endif
1743     { "jit", "", do_info_jit,
1744       "", "show dynamic compiler info", },
1745     { "kqemu", "", do_info_kqemu,
1746       "", "show KQEMU information", },
1747     { "kvm", "", do_info_kvm,
1748       "", "show KVM information", },
1749     { "numa", "", do_info_numa,
1750       "", "show NUMA information", },
1751     { "usb", "", usb_info,
1752       "", "show guest USB devices", },
1753     { "usbhost", "", usb_host_info,
1754       "", "show host USB devices", },
1755     { "profile", "", do_info_profile,
1756       "", "show profiling information", },
1757     { "capture", "", do_info_capture,
1758       "", "show capture information" },
1759     { "snapshots", "", do_info_snapshots,
1760       "", "show the currently saved VM snapshots" },
1761     { "status", "", do_info_status,
1762       "", "show the current VM status (running|paused)" },
1763     { "pcmcia", "", pcmcia_info,
1764       "", "show guest PCMCIA status" },
1765     { "mice", "", do_info_mice,
1766       "", "show which guest mouse is receiving events" },
1767     { "vnc", "", do_info_vnc,
1768       "", "show the vnc server status"},
1769     { "name", "", do_info_name,
1770       "", "show the current VM name" },
1771     { "uuid", "", do_info_uuid,
1772       "", "show the current VM UUID" },
1773 #if defined(TARGET_PPC)
1774     { "cpustats", "", do_info_cpu_stats,
1775       "", "show CPU statistics", },
1776 #endif
1777 #if defined(CONFIG_SLIRP)
1778     { "usernet", "", do_info_usernet,
1779       "", "show user network stack connection states", },
1780 #endif
1781     { "migrate", "", do_info_migrate, "", "show migration status" },
1782     { "balloon", "", do_info_balloon,
1783       "", "show balloon information" },
1784     { "qtree", "", do_info_qtree,
1785       "", "show device tree" },
1786     { NULL, NULL, },
1787 };
1788
1789 /*******************************************************************/
1790
1791 static const char *pch;
1792 static jmp_buf expr_env;
1793
1794 #define MD_TLONG 0
1795 #define MD_I32   1
1796
1797 typedef struct MonitorDef {
1798     const char *name;
1799     int offset;
1800     target_long (*get_value)(const struct MonitorDef *md, int val);
1801     int type;
1802 } MonitorDef;
1803
1804 #if defined(TARGET_I386)
1805 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
1806 {
1807     CPUState *env = mon_get_cpu();
1808     if (!env)
1809         return 0;
1810     return env->eip + env->segs[R_CS].base;
1811 }
1812 #endif
1813
1814 #if defined(TARGET_PPC)
1815 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
1816 {
1817     CPUState *env = mon_get_cpu();
1818     unsigned int u;
1819     int i;
1820
1821     if (!env)
1822         return 0;
1823
1824     u = 0;
1825     for (i = 0; i < 8; i++)
1826         u |= env->crf[i] << (32 - (4 * i));
1827
1828     return u;
1829 }
1830
1831 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
1832 {
1833     CPUState *env = mon_get_cpu();
1834     if (!env)
1835         return 0;
1836     return env->msr;
1837 }
1838
1839 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
1840 {
1841     CPUState *env = mon_get_cpu();
1842     if (!env)
1843         return 0;
1844     return env->xer;
1845 }
1846
1847 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
1848 {
1849     CPUState *env = mon_get_cpu();
1850     if (!env)
1851         return 0;
1852     return cpu_ppc_load_decr(env);
1853 }
1854
1855 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
1856 {
1857     CPUState *env = mon_get_cpu();
1858     if (!env)
1859         return 0;
1860     return cpu_ppc_load_tbu(env);
1861 }
1862
1863 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
1864 {
1865     CPUState *env = mon_get_cpu();
1866     if (!env)
1867         return 0;
1868     return cpu_ppc_load_tbl(env);
1869 }
1870 #endif
1871
1872 #if defined(TARGET_SPARC)
1873 #ifndef TARGET_SPARC64
1874 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
1875 {
1876     CPUState *env = mon_get_cpu();
1877     if (!env)
1878         return 0;
1879     return GET_PSR(env);
1880 }
1881 #endif
1882
1883 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
1884 {
1885     CPUState *env = mon_get_cpu();
1886     if (!env)
1887         return 0;
1888     return env->regwptr[val];
1889 }
1890 #endif
1891
1892 static const MonitorDef monitor_defs[] = {
1893 #ifdef TARGET_I386
1894
1895 #define SEG(name, seg) \
1896     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1897     { name ".base", offsetof(CPUState, segs[seg].base) },\
1898     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1899
1900     { "eax", offsetof(CPUState, regs[0]) },
1901     { "ecx", offsetof(CPUState, regs[1]) },
1902     { "edx", offsetof(CPUState, regs[2]) },
1903     { "ebx", offsetof(CPUState, regs[3]) },
1904     { "esp|sp", offsetof(CPUState, regs[4]) },
1905     { "ebp|fp", offsetof(CPUState, regs[5]) },
1906     { "esi", offsetof(CPUState, regs[6]) },
1907     { "edi", offsetof(CPUState, regs[7]) },
1908 #ifdef TARGET_X86_64
1909     { "r8", offsetof(CPUState, regs[8]) },
1910     { "r9", offsetof(CPUState, regs[9]) },
1911     { "r10", offsetof(CPUState, regs[10]) },
1912     { "r11", offsetof(CPUState, regs[11]) },
1913     { "r12", offsetof(CPUState, regs[12]) },
1914     { "r13", offsetof(CPUState, regs[13]) },
1915     { "r14", offsetof(CPUState, regs[14]) },
1916     { "r15", offsetof(CPUState, regs[15]) },
1917 #endif
1918     { "eflags", offsetof(CPUState, eflags) },
1919     { "eip", offsetof(CPUState, eip) },
1920     SEG("cs", R_CS)
1921     SEG("ds", R_DS)
1922     SEG("es", R_ES)
1923     SEG("ss", R_SS)
1924     SEG("fs", R_FS)
1925     SEG("gs", R_GS)
1926     { "pc", 0, monitor_get_pc, },
1927 #elif defined(TARGET_PPC)
1928     /* General purpose registers */
1929     { "r0", offsetof(CPUState, gpr[0]) },
1930     { "r1", offsetof(CPUState, gpr[1]) },
1931     { "r2", offsetof(CPUState, gpr[2]) },
1932     { "r3", offsetof(CPUState, gpr[3]) },
1933     { "r4", offsetof(CPUState, gpr[4]) },
1934     { "r5", offsetof(CPUState, gpr[5]) },
1935     { "r6", offsetof(CPUState, gpr[6]) },
1936     { "r7", offsetof(CPUState, gpr[7]) },
1937     { "r8", offsetof(CPUState, gpr[8]) },
1938     { "r9", offsetof(CPUState, gpr[9]) },
1939     { "r10", offsetof(CPUState, gpr[10]) },
1940     { "r11", offsetof(CPUState, gpr[11]) },
1941     { "r12", offsetof(CPUState, gpr[12]) },
1942     { "r13", offsetof(CPUState, gpr[13]) },
1943     { "r14", offsetof(CPUState, gpr[14]) },
1944     { "r15", offsetof(CPUState, gpr[15]) },
1945     { "r16", offsetof(CPUState, gpr[16]) },
1946     { "r17", offsetof(CPUState, gpr[17]) },
1947     { "r18", offsetof(CPUState, gpr[18]) },
1948     { "r19", offsetof(CPUState, gpr[19]) },
1949     { "r20", offsetof(CPUState, gpr[20]) },
1950     { "r21", offsetof(CPUState, gpr[21]) },
1951     { "r22", offsetof(CPUState, gpr[22]) },
1952     { "r23", offsetof(CPUState, gpr[23]) },
1953     { "r24", offsetof(CPUState, gpr[24]) },
1954     { "r25", offsetof(CPUState, gpr[25]) },
1955     { "r26", offsetof(CPUState, gpr[26]) },
1956     { "r27", offsetof(CPUState, gpr[27]) },
1957     { "r28", offsetof(CPUState, gpr[28]) },
1958     { "r29", offsetof(CPUState, gpr[29]) },
1959     { "r30", offsetof(CPUState, gpr[30]) },
1960     { "r31", offsetof(CPUState, gpr[31]) },
1961     /* Floating point registers */
1962     { "f0", offsetof(CPUState, fpr[0]) },
1963     { "f1", offsetof(CPUState, fpr[1]) },
1964     { "f2", offsetof(CPUState, fpr[2]) },
1965     { "f3", offsetof(CPUState, fpr[3]) },
1966     { "f4", offsetof(CPUState, fpr[4]) },
1967     { "f5", offsetof(CPUState, fpr[5]) },
1968     { "f6", offsetof(CPUState, fpr[6]) },
1969     { "f7", offsetof(CPUState, fpr[7]) },
1970     { "f8", offsetof(CPUState, fpr[8]) },
1971     { "f9", offsetof(CPUState, fpr[9]) },
1972     { "f10", offsetof(CPUState, fpr[10]) },
1973     { "f11", offsetof(CPUState, fpr[11]) },
1974     { "f12", offsetof(CPUState, fpr[12]) },
1975     { "f13", offsetof(CPUState, fpr[13]) },
1976     { "f14", offsetof(CPUState, fpr[14]) },
1977     { "f15", offsetof(CPUState, fpr[15]) },
1978     { "f16", offsetof(CPUState, fpr[16]) },
1979     { "f17", offsetof(CPUState, fpr[17]) },
1980     { "f18", offsetof(CPUState, fpr[18]) },
1981     { "f19", offsetof(CPUState, fpr[19]) },
1982     { "f20", offsetof(CPUState, fpr[20]) },
1983     { "f21", offsetof(CPUState, fpr[21]) },
1984     { "f22", offsetof(CPUState, fpr[22]) },
1985     { "f23", offsetof(CPUState, fpr[23]) },
1986     { "f24", offsetof(CPUState, fpr[24]) },
1987     { "f25", offsetof(CPUState, fpr[25]) },
1988     { "f26", offsetof(CPUState, fpr[26]) },
1989     { "f27", offsetof(CPUState, fpr[27]) },
1990     { "f28", offsetof(CPUState, fpr[28]) },
1991     { "f29", offsetof(CPUState, fpr[29]) },
1992     { "f30", offsetof(CPUState, fpr[30]) },
1993     { "f31", offsetof(CPUState, fpr[31]) },
1994     { "fpscr", offsetof(CPUState, fpscr) },
1995     /* Next instruction pointer */
1996     { "nip|pc", offsetof(CPUState, nip) },
1997     { "lr", offsetof(CPUState, lr) },
1998     { "ctr", offsetof(CPUState, ctr) },
1999     { "decr", 0, &monitor_get_decr, },
2000     { "ccr", 0, &monitor_get_ccr, },
2001     /* Machine state register */
2002     { "msr", 0, &monitor_get_msr, },
2003     { "xer", 0, &monitor_get_xer, },
2004     { "tbu", 0, &monitor_get_tbu, },
2005     { "tbl", 0, &monitor_get_tbl, },
2006 #if defined(TARGET_PPC64)
2007     /* Address space register */
2008     { "asr", offsetof(CPUState, asr) },
2009 #endif
2010     /* Segment registers */
2011     { "sdr1", offsetof(CPUState, sdr1) },
2012     { "sr0", offsetof(CPUState, sr[0]) },
2013     { "sr1", offsetof(CPUState, sr[1]) },
2014     { "sr2", offsetof(CPUState, sr[2]) },
2015     { "sr3", offsetof(CPUState, sr[3]) },
2016     { "sr4", offsetof(CPUState, sr[4]) },
2017     { "sr5", offsetof(CPUState, sr[5]) },
2018     { "sr6", offsetof(CPUState, sr[6]) },
2019     { "sr7", offsetof(CPUState, sr[7]) },
2020     { "sr8", offsetof(CPUState, sr[8]) },
2021     { "sr9", offsetof(CPUState, sr[9]) },
2022     { "sr10", offsetof(CPUState, sr[10]) },
2023     { "sr11", offsetof(CPUState, sr[11]) },
2024     { "sr12", offsetof(CPUState, sr[12]) },
2025     { "sr13", offsetof(CPUState, sr[13]) },
2026     { "sr14", offsetof(CPUState, sr[14]) },
2027     { "sr15", offsetof(CPUState, sr[15]) },
2028     /* Too lazy to put BATs and SPRs ... */
2029 #elif defined(TARGET_SPARC)
2030     { "g0", offsetof(CPUState, gregs[0]) },
2031     { "g1", offsetof(CPUState, gregs[1]) },
2032     { "g2", offsetof(CPUState, gregs[2]) },
2033     { "g3", offsetof(CPUState, gregs[3]) },
2034     { "g4", offsetof(CPUState, gregs[4]) },
2035     { "g5", offsetof(CPUState, gregs[5]) },
2036     { "g6", offsetof(CPUState, gregs[6]) },
2037     { "g7", offsetof(CPUState, gregs[7]) },
2038     { "o0", 0, monitor_get_reg },
2039     { "o1", 1, monitor_get_reg },
2040     { "o2", 2, monitor_get_reg },
2041     { "o3", 3, monitor_get_reg },
2042     { "o4", 4, monitor_get_reg },
2043     { "o5", 5, monitor_get_reg },
2044     { "o6", 6, monitor_get_reg },
2045     { "o7", 7, monitor_get_reg },
2046     { "l0", 8, monitor_get_reg },
2047     { "l1", 9, monitor_get_reg },
2048     { "l2", 10, monitor_get_reg },
2049     { "l3", 11, monitor_get_reg },
2050     { "l4", 12, monitor_get_reg },
2051     { "l5", 13, monitor_get_reg },
2052     { "l6", 14, monitor_get_reg },
2053     { "l7", 15, monitor_get_reg },
2054     { "i0", 16, monitor_get_reg },
2055     { "i1", 17, monitor_get_reg },
2056     { "i2", 18, monitor_get_reg },
2057     { "i3", 19, monitor_get_reg },
2058     { "i4", 20, monitor_get_reg },
2059     { "i5", 21, monitor_get_reg },
2060     { "i6", 22, monitor_get_reg },
2061     { "i7", 23, monitor_get_reg },
2062     { "pc", offsetof(CPUState, pc) },
2063     { "npc", offsetof(CPUState, npc) },
2064     { "y", offsetof(CPUState, y) },
2065 #ifndef TARGET_SPARC64
2066     { "psr", 0, &monitor_get_psr, },
2067     { "wim", offsetof(CPUState, wim) },
2068 #endif
2069     { "tbr", offsetof(CPUState, tbr) },
2070     { "fsr", offsetof(CPUState, fsr) },
2071     { "f0", offsetof(CPUState, fpr[0]) },
2072     { "f1", offsetof(CPUState, fpr[1]) },
2073     { "f2", offsetof(CPUState, fpr[2]) },
2074     { "f3", offsetof(CPUState, fpr[3]) },
2075     { "f4", offsetof(CPUState, fpr[4]) },
2076     { "f5", offsetof(CPUState, fpr[5]) },
2077     { "f6", offsetof(CPUState, fpr[6]) },
2078     { "f7", offsetof(CPUState, fpr[7]) },
2079     { "f8", offsetof(CPUState, fpr[8]) },
2080     { "f9", offsetof(CPUState, fpr[9]) },
2081     { "f10", offsetof(CPUState, fpr[10]) },
2082     { "f11", offsetof(CPUState, fpr[11]) },
2083     { "f12", offsetof(CPUState, fpr[12]) },
2084     { "f13", offsetof(CPUState, fpr[13]) },
2085     { "f14", offsetof(CPUState, fpr[14]) },
2086     { "f15", offsetof(CPUState, fpr[15]) },
2087     { "f16", offsetof(CPUState, fpr[16]) },
2088     { "f17", offsetof(CPUState, fpr[17]) },
2089     { "f18", offsetof(CPUState, fpr[18]) },
2090     { "f19", offsetof(CPUState, fpr[19]) },
2091     { "f20", offsetof(CPUState, fpr[20]) },
2092     { "f21", offsetof(CPUState, fpr[21]) },
2093     { "f22", offsetof(CPUState, fpr[22]) },
2094     { "f23", offsetof(CPUState, fpr[23]) },
2095     { "f24", offsetof(CPUState, fpr[24]) },
2096     { "f25", offsetof(CPUState, fpr[25]) },
2097     { "f26", offsetof(CPUState, fpr[26]) },
2098     { "f27", offsetof(CPUState, fpr[27]) },
2099     { "f28", offsetof(CPUState, fpr[28]) },
2100     { "f29", offsetof(CPUState, fpr[29]) },
2101     { "f30", offsetof(CPUState, fpr[30]) },
2102     { "f31", offsetof(CPUState, fpr[31]) },
2103 #ifdef TARGET_SPARC64
2104     { "f32", offsetof(CPUState, fpr[32]) },
2105     { "f34", offsetof(CPUState, fpr[34]) },
2106     { "f36", offsetof(CPUState, fpr[36]) },
2107     { "f38", offsetof(CPUState, fpr[38]) },
2108     { "f40", offsetof(CPUState, fpr[40]) },
2109     { "f42", offsetof(CPUState, fpr[42]) },
2110     { "f44", offsetof(CPUState, fpr[44]) },
2111     { "f46", offsetof(CPUState, fpr[46]) },
2112     { "f48", offsetof(CPUState, fpr[48]) },
2113     { "f50", offsetof(CPUState, fpr[50]) },
2114     { "f52", offsetof(CPUState, fpr[52]) },
2115     { "f54", offsetof(CPUState, fpr[54]) },
2116     { "f56", offsetof(CPUState, fpr[56]) },
2117     { "f58", offsetof(CPUState, fpr[58]) },
2118     { "f60", offsetof(CPUState, fpr[60]) },
2119     { "f62", offsetof(CPUState, fpr[62]) },
2120     { "asi", offsetof(CPUState, asi) },
2121     { "pstate", offsetof(CPUState, pstate) },
2122     { "cansave", offsetof(CPUState, cansave) },
2123     { "canrestore", offsetof(CPUState, canrestore) },
2124     { "otherwin", offsetof(CPUState, otherwin) },
2125     { "wstate", offsetof(CPUState, wstate) },
2126     { "cleanwin", offsetof(CPUState, cleanwin) },
2127     { "fprs", offsetof(CPUState, fprs) },
2128 #endif
2129 #endif
2130     { NULL },
2131 };
2132
2133 static void expr_error(Monitor *mon, const char *msg)
2134 {
2135     monitor_printf(mon, "%s\n", msg);
2136     longjmp(expr_env, 1);
2137 }
2138
2139 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2140 static int get_monitor_def(target_long *pval, const char *name)
2141 {
2142     const MonitorDef *md;
2143     void *ptr;
2144
2145     for(md = monitor_defs; md->name != NULL; md++) {
2146         if (compare_cmd(name, md->name)) {
2147             if (md->get_value) {
2148                 *pval = md->get_value(md, md->offset);
2149             } else {
2150                 CPUState *env = mon_get_cpu();
2151                 if (!env)
2152                     return -2;
2153                 ptr = (uint8_t *)env + md->offset;
2154                 switch(md->type) {
2155                 case MD_I32:
2156                     *pval = *(int32_t *)ptr;
2157                     break;
2158                 case MD_TLONG:
2159                     *pval = *(target_long *)ptr;
2160                     break;
2161                 default:
2162                     *pval = 0;
2163                     break;
2164                 }
2165             }
2166             return 0;
2167         }
2168     }
2169     return -1;
2170 }
2171
2172 static void next(void)
2173 {
2174     if (pch != '\0') {
2175         pch++;
2176         while (qemu_isspace(*pch))
2177             pch++;
2178     }
2179 }
2180
2181 static int64_t expr_sum(Monitor *mon);
2182
2183 static int64_t expr_unary(Monitor *mon)
2184 {
2185     int64_t n;
2186     char *p;
2187     int ret;
2188
2189     switch(*pch) {
2190     case '+':
2191         next();
2192         n = expr_unary(mon);
2193         break;
2194     case '-':
2195         next();
2196         n = -expr_unary(mon);
2197         break;
2198     case '~':
2199         next();
2200         n = ~expr_unary(mon);
2201         break;
2202     case '(':
2203         next();
2204         n = expr_sum(mon);
2205         if (*pch != ')') {
2206             expr_error(mon, "')' expected");
2207         }
2208         next();
2209         break;
2210     case '\'':
2211         pch++;
2212         if (*pch == '\0')
2213             expr_error(mon, "character constant expected");
2214         n = *pch;
2215         pch++;
2216         if (*pch != '\'')
2217             expr_error(mon, "missing terminating \' character");
2218         next();
2219         break;
2220     case '$':
2221         {
2222             char buf[128], *q;
2223             target_long reg=0;
2224
2225             pch++;
2226             q = buf;
2227             while ((*pch >= 'a' && *pch <= 'z') ||
2228                    (*pch >= 'A' && *pch <= 'Z') ||
2229                    (*pch >= '0' && *pch <= '9') ||
2230                    *pch == '_' || *pch == '.') {
2231                 if ((q - buf) < sizeof(buf) - 1)
2232                     *q++ = *pch;
2233                 pch++;
2234             }
2235             while (qemu_isspace(*pch))
2236                 pch++;
2237             *q = 0;
2238             ret = get_monitor_def(&reg, buf);
2239             if (ret == -1)
2240                 expr_error(mon, "unknown register");
2241             else if (ret == -2)
2242                 expr_error(mon, "no cpu defined");
2243             n = reg;
2244         }
2245         break;
2246     case '\0':
2247         expr_error(mon, "unexpected end of expression");
2248         n = 0;
2249         break;
2250     default:
2251 #if TARGET_PHYS_ADDR_BITS > 32
2252         n = strtoull(pch, &p, 0);
2253 #else
2254         n = strtoul(pch, &p, 0);
2255 #endif
2256         if (pch == p) {
2257             expr_error(mon, "invalid char in expression");
2258         }
2259         pch = p;
2260         while (qemu_isspace(*pch))
2261             pch++;
2262         break;
2263     }
2264     return n;
2265 }
2266
2267
2268 static int64_t expr_prod(Monitor *mon)
2269 {
2270     int64_t val, val2;
2271     int op;
2272
2273     val = expr_unary(mon);
2274     for(;;) {
2275         op = *pch;
2276         if (op != '*' && op != '/' && op != '%')
2277             break;
2278         next();
2279         val2 = expr_unary(mon);
2280         switch(op) {
2281         default:
2282         case '*':
2283             val *= val2;
2284             break;
2285         case '/':
2286         case '%':
2287             if (val2 == 0)
2288                 expr_error(mon, "division by zero");
2289             if (op == '/')
2290                 val /= val2;
2291             else
2292                 val %= val2;
2293             break;
2294         }
2295     }
2296     return val;
2297 }
2298
2299 static int64_t expr_logic(Monitor *mon)
2300 {
2301     int64_t val, val2;
2302     int op;
2303
2304     val = expr_prod(mon);
2305     for(;;) {
2306         op = *pch;
2307         if (op != '&' && op != '|' && op != '^')
2308             break;
2309         next();
2310         val2 = expr_prod(mon);
2311         switch(op) {
2312         default:
2313         case '&':
2314             val &= val2;
2315             break;
2316         case '|':
2317             val |= val2;
2318             break;
2319         case '^':
2320             val ^= val2;
2321             break;
2322         }
2323     }
2324     return val;
2325 }
2326
2327 static int64_t expr_sum(Monitor *mon)
2328 {
2329     int64_t val, val2;
2330     int op;
2331
2332     val = expr_logic(mon);
2333     for(;;) {
2334         op = *pch;
2335         if (op != '+' && op != '-')
2336             break;
2337         next();
2338         val2 = expr_logic(mon);
2339         if (op == '+')
2340             val += val2;
2341         else
2342             val -= val2;
2343     }
2344     return val;
2345 }
2346
2347 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2348 {
2349     pch = *pp;
2350     if (setjmp(expr_env)) {
2351         *pp = pch;
2352         return -1;
2353     }
2354     while (qemu_isspace(*pch))
2355         pch++;
2356     *pval = expr_sum(mon);
2357     *pp = pch;
2358     return 0;
2359 }
2360
2361 static int get_str(char *buf, int buf_size, const char **pp)
2362 {
2363     const char *p;
2364     char *q;
2365     int c;
2366
2367     q = buf;
2368     p = *pp;
2369     while (qemu_isspace(*p))
2370         p++;
2371     if (*p == '\0') {
2372     fail:
2373         *q = '\0';
2374         *pp = p;
2375         return -1;
2376     }
2377     if (*p == '\"') {
2378         p++;
2379         while (*p != '\0' && *p != '\"') {
2380             if (*p == '\\') {
2381                 p++;
2382                 c = *p++;
2383                 switch(c) {
2384                 case 'n':
2385                     c = '\n';
2386                     break;
2387                 case 'r':
2388                     c = '\r';
2389                     break;
2390                 case '\\':
2391                 case '\'':
2392                 case '\"':
2393                     break;
2394                 default:
2395                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2396                     goto fail;
2397                 }
2398                 if ((q - buf) < buf_size - 1) {
2399                     *q++ = c;
2400                 }
2401             } else {
2402                 if ((q - buf) < buf_size - 1) {
2403                     *q++ = *p;
2404                 }
2405                 p++;
2406             }
2407         }
2408         if (*p != '\"') {
2409             qemu_printf("unterminated string\n");
2410             goto fail;
2411         }
2412         p++;
2413     } else {
2414         while (*p != '\0' && !qemu_isspace(*p)) {
2415             if ((q - buf) < buf_size - 1) {
2416                 *q++ = *p;
2417             }
2418             p++;
2419         }
2420     }
2421     *q = '\0';
2422     *pp = p;
2423     return 0;
2424 }
2425
2426 /*
2427  * Store the command-name in cmdname, and return a pointer to
2428  * the remaining of the command string.
2429  */
2430 static const char *get_command_name(const char *cmdline,
2431                                     char *cmdname, size_t nlen)
2432 {
2433     size_t len;
2434     const char *p, *pstart;
2435
2436     p = cmdline;
2437     while (qemu_isspace(*p))
2438         p++;
2439     if (*p == '\0')
2440         return NULL;
2441     pstart = p;
2442     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2443         p++;
2444     len = p - pstart;
2445     if (len > nlen - 1)
2446         len = nlen - 1;
2447     memcpy(cmdname, pstart, len);
2448     cmdname[len] = '\0';
2449     return p;
2450 }
2451
2452 static int default_fmt_format = 'x';
2453 static int default_fmt_size = 4;
2454
2455 #define MAX_ARGS 16
2456
2457 static void monitor_handle_command(Monitor *mon, const char *cmdline)
2458 {
2459     const char *p, *typestr;
2460     int c, nb_args, i, has_arg;
2461     const mon_cmd_t *cmd;
2462     char cmdname[256];
2463     char buf[1024];
2464     void *str_allocated[MAX_ARGS];
2465     void *args[MAX_ARGS];
2466     void (*handler_0)(Monitor *mon);
2467     void (*handler_1)(Monitor *mon, void *arg0);
2468     void (*handler_2)(Monitor *mon, void *arg0, void *arg1);
2469     void (*handler_3)(Monitor *mon, void *arg0, void *arg1, void *arg2);
2470     void (*handler_4)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2471                       void *arg3);
2472     void (*handler_5)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2473                       void *arg3, void *arg4);
2474     void (*handler_6)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2475                       void *arg3, void *arg4, void *arg5);
2476     void (*handler_7)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2477                       void *arg3, void *arg4, void *arg5, void *arg6);
2478
2479 #ifdef DEBUG
2480     monitor_printf(mon, "command='%s'\n", cmdline);
2481 #endif
2482
2483     /* extract the command name */
2484     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2485     if (!p)
2486         return;
2487
2488     /* find the command */
2489     for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2490         if (compare_cmd(cmdname, cmd->name))
2491             break;
2492     }
2493
2494     if (cmd->name == NULL) {
2495         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2496         return;
2497     }
2498
2499     for(i = 0; i < MAX_ARGS; i++)
2500         str_allocated[i] = NULL;
2501
2502     /* parse the parameters */
2503     typestr = cmd->args_type;
2504     nb_args = 0;
2505     for(;;) {
2506         c = *typestr;
2507         if (c == '\0')
2508             break;
2509         typestr++;
2510         switch(c) {
2511         case 'F':
2512         case 'B':
2513         case 's':
2514             {
2515                 int ret;
2516                 char *str;
2517
2518                 while (qemu_isspace(*p))
2519                     p++;
2520                 if (*typestr == '?') {
2521                     typestr++;
2522                     if (*p == '\0') {
2523                         /* no optional string: NULL argument */
2524                         str = NULL;
2525                         goto add_str;
2526                     }
2527                 }
2528                 ret = get_str(buf, sizeof(buf), &p);
2529                 if (ret < 0) {
2530                     switch(c) {
2531                     case 'F':
2532                         monitor_printf(mon, "%s: filename expected\n",
2533                                        cmdname);
2534                         break;
2535                     case 'B':
2536                         monitor_printf(mon, "%s: block device name expected\n",
2537                                        cmdname);
2538                         break;
2539                     default:
2540                         monitor_printf(mon, "%s: string expected\n", cmdname);
2541                         break;
2542                     }
2543                     goto fail;
2544                 }
2545                 str = qemu_malloc(strlen(buf) + 1);
2546                 pstrcpy(str, sizeof(buf), buf);
2547                 str_allocated[nb_args] = str;
2548             add_str:
2549                 if (nb_args >= MAX_ARGS) {
2550                 error_args:
2551                     monitor_printf(mon, "%s: too many arguments\n", cmdname);
2552                     goto fail;
2553                 }
2554                 args[nb_args++] = str;
2555             }
2556             break;
2557         case '/':
2558             {
2559                 int count, format, size;
2560
2561                 while (qemu_isspace(*p))
2562                     p++;
2563                 if (*p == '/') {
2564                     /* format found */
2565                     p++;
2566                     count = 1;
2567                     if (qemu_isdigit(*p)) {
2568                         count = 0;
2569                         while (qemu_isdigit(*p)) {
2570                             count = count * 10 + (*p - '0');
2571                             p++;
2572                         }
2573                     }
2574                     size = -1;
2575                     format = -1;
2576                     for(;;) {
2577                         switch(*p) {
2578                         case 'o':
2579                         case 'd':
2580                         case 'u':
2581                         case 'x':
2582                         case 'i':
2583                         case 'c':
2584                             format = *p++;
2585                             break;
2586                         case 'b':
2587                             size = 1;
2588                             p++;
2589                             break;
2590                         case 'h':
2591                             size = 2;
2592                             p++;
2593                             break;
2594                         case 'w':
2595                             size = 4;
2596                             p++;
2597                             break;
2598                         case 'g':
2599                         case 'L':
2600                             size = 8;
2601                             p++;
2602                             break;
2603                         default:
2604                             goto next;
2605                         }
2606                     }
2607                 next:
2608                     if (*p != '\0' && !qemu_isspace(*p)) {
2609                         monitor_printf(mon, "invalid char in format: '%c'\n",
2610                                        *p);
2611                         goto fail;
2612                     }
2613                     if (format < 0)
2614                         format = default_fmt_format;
2615                     if (format != 'i') {
2616                         /* for 'i', not specifying a size gives -1 as size */
2617                         if (size < 0)
2618                             size = default_fmt_size;
2619                         default_fmt_size = size;
2620                     }
2621                     default_fmt_format = format;
2622                 } else {
2623                     count = 1;
2624                     format = default_fmt_format;
2625                     if (format != 'i') {
2626                         size = default_fmt_size;
2627                     } else {
2628                         size = -1;
2629                     }
2630                 }
2631                 if (nb_args + 3 > MAX_ARGS)
2632                     goto error_args;
2633                 args[nb_args++] = (void*)(long)count;
2634                 args[nb_args++] = (void*)(long)format;
2635                 args[nb_args++] = (void*)(long)size;
2636             }
2637             break;
2638         case 'i':
2639         case 'l':
2640             {
2641                 int64_t val;
2642
2643                 while (qemu_isspace(*p))
2644                     p++;
2645                 if (*typestr == '?' || *typestr == '.') {
2646                     if (*typestr == '?') {
2647                         if (*p == '\0')
2648                             has_arg = 0;
2649                         else
2650                             has_arg = 1;
2651                     } else {
2652                         if (*p == '.') {
2653                             p++;
2654                             while (qemu_isspace(*p))
2655                                 p++;
2656                             has_arg = 1;
2657                         } else {
2658                             has_arg = 0;
2659                         }
2660                     }
2661                     typestr++;
2662                     if (nb_args >= MAX_ARGS)
2663                         goto error_args;
2664                     args[nb_args++] = (void *)(long)has_arg;
2665                     if (!has_arg) {
2666                         if (nb_args >= MAX_ARGS)
2667                             goto error_args;
2668                         val = -1;
2669                         goto add_num;
2670                     }
2671                 }
2672                 if (get_expr(mon, &val, &p))
2673                     goto fail;
2674             add_num:
2675                 if (c == 'i') {
2676                     if (nb_args >= MAX_ARGS)
2677                         goto error_args;
2678                     args[nb_args++] = (void *)(long)val;
2679                 } else {
2680                     if ((nb_args + 1) >= MAX_ARGS)
2681                         goto error_args;
2682 #if TARGET_PHYS_ADDR_BITS > 32
2683                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2684 #else
2685                     args[nb_args++] = (void *)0;
2686 #endif
2687                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2688                 }
2689             }
2690             break;
2691         case '-':
2692             {
2693                 int has_option;
2694                 /* option */
2695
2696                 c = *typestr++;
2697                 if (c == '\0')
2698                     goto bad_type;
2699                 while (qemu_isspace(*p))
2700                     p++;
2701                 has_option = 0;
2702                 if (*p == '-') {
2703                     p++;
2704                     if (*p != c) {
2705                         monitor_printf(mon, "%s: unsupported option -%c\n",
2706                                        cmdname, *p);
2707                         goto fail;
2708                     }
2709                     p++;
2710                     has_option = 1;
2711                 }
2712                 if (nb_args >= MAX_ARGS)
2713                     goto error_args;
2714                 args[nb_args++] = (void *)(long)has_option;
2715             }
2716             break;
2717         default:
2718         bad_type:
2719             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
2720             goto fail;
2721         }
2722     }
2723     /* check that all arguments were parsed */
2724     while (qemu_isspace(*p))
2725         p++;
2726     if (*p != '\0') {
2727         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2728                        cmdname);
2729         goto fail;
2730     }
2731
2732     switch(nb_args) {
2733     case 0:
2734         handler_0 = cmd->handler;
2735         handler_0(mon);
2736         break;
2737     case 1:
2738         handler_1 = cmd->handler;
2739         handler_1(mon, args[0]);
2740         break;
2741     case 2:
2742         handler_2 = cmd->handler;
2743         handler_2(mon, args[0], args[1]);
2744         break;
2745     case 3:
2746         handler_3 = cmd->handler;
2747         handler_3(mon, args[0], args[1], args[2]);
2748         break;
2749     case 4:
2750         handler_4 = cmd->handler;
2751         handler_4(mon, args[0], args[1], args[2], args[3]);
2752         break;
2753     case 5:
2754         handler_5 = cmd->handler;
2755         handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
2756         break;
2757     case 6:
2758         handler_6 = cmd->handler;
2759         handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
2760         break;
2761     case 7:
2762         handler_7 = cmd->handler;
2763         handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
2764                   args[6]);
2765         break;
2766     default:
2767         monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
2768         goto fail;
2769     }
2770  fail:
2771     for(i = 0; i < MAX_ARGS; i++)
2772         qemu_free(str_allocated[i]);
2773 }
2774
2775 static void cmd_completion(const char *name, const char *list)
2776 {
2777     const char *p, *pstart;
2778     char cmd[128];
2779     int len;
2780
2781     p = list;
2782     for(;;) {
2783         pstart = p;
2784         p = strchr(p, '|');
2785         if (!p)
2786             p = pstart + strlen(pstart);
2787         len = p - pstart;
2788         if (len > sizeof(cmd) - 2)
2789             len = sizeof(cmd) - 2;
2790         memcpy(cmd, pstart, len);
2791         cmd[len] = '\0';
2792         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2793             readline_add_completion(cur_mon->rs, cmd);
2794         }
2795         if (*p == '\0')
2796             break;
2797         p++;
2798     }
2799 }
2800
2801 static void file_completion(const char *input)
2802 {
2803     DIR *ffs;
2804     struct dirent *d;
2805     char path[1024];
2806     char file[1024], file_prefix[1024];
2807     int input_path_len;
2808     const char *p;
2809
2810     p = strrchr(input, '/');
2811     if (!p) {
2812         input_path_len = 0;
2813         pstrcpy(file_prefix, sizeof(file_prefix), input);
2814         pstrcpy(path, sizeof(path), ".");
2815     } else {
2816         input_path_len = p - input + 1;
2817         memcpy(path, input, input_path_len);
2818         if (input_path_len > sizeof(path) - 1)
2819             input_path_len = sizeof(path) - 1;
2820         path[input_path_len] = '\0';
2821         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2822     }
2823 #ifdef DEBUG_COMPLETION
2824     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
2825                    input, path, file_prefix);
2826 #endif
2827     ffs = opendir(path);
2828     if (!ffs)
2829         return;
2830     for(;;) {
2831         struct stat sb;
2832         d = readdir(ffs);
2833         if (!d)
2834             break;
2835         if (strstart(d->d_name, file_prefix, NULL)) {
2836             memcpy(file, input, input_path_len);
2837             if (input_path_len < sizeof(file))
2838                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
2839                         d->d_name);
2840             /* stat the file to find out if it's a directory.
2841              * In that case add a slash to speed up typing long paths
2842              */
2843             stat(file, &sb);
2844             if(S_ISDIR(sb.st_mode))
2845                 pstrcat(file, sizeof(file), "/");
2846             readline_add_completion(cur_mon->rs, file);
2847         }
2848     }
2849     closedir(ffs);
2850 }
2851
2852 static void block_completion_it(void *opaque, BlockDriverState *bs)
2853 {
2854     const char *name = bdrv_get_device_name(bs);
2855     const char *input = opaque;
2856
2857     if (input[0] == '\0' ||
2858         !strncmp(name, (char *)input, strlen(input))) {
2859         readline_add_completion(cur_mon->rs, name);
2860     }
2861 }
2862
2863 /* NOTE: this parser is an approximate form of the real command parser */
2864 static void parse_cmdline(const char *cmdline,
2865                          int *pnb_args, char **args)
2866 {
2867     const char *p;
2868     int nb_args, ret;
2869     char buf[1024];
2870
2871     p = cmdline;
2872     nb_args = 0;
2873     for(;;) {
2874         while (qemu_isspace(*p))
2875             p++;
2876         if (*p == '\0')
2877             break;
2878         if (nb_args >= MAX_ARGS)
2879             break;
2880         ret = get_str(buf, sizeof(buf), &p);
2881         args[nb_args] = qemu_strdup(buf);
2882         nb_args++;
2883         if (ret < 0)
2884             break;
2885     }
2886     *pnb_args = nb_args;
2887 }
2888
2889 static void monitor_find_completion(const char *cmdline)
2890 {
2891     const char *cmdname;
2892     char *args[MAX_ARGS];
2893     int nb_args, i, len;
2894     const char *ptype, *str;
2895     const mon_cmd_t *cmd;
2896     const KeyDef *key;
2897
2898     parse_cmdline(cmdline, &nb_args, args);
2899 #ifdef DEBUG_COMPLETION
2900     for(i = 0; i < nb_args; i++) {
2901         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
2902     }
2903 #endif
2904
2905     /* if the line ends with a space, it means we want to complete the
2906        next arg */
2907     len = strlen(cmdline);
2908     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
2909         if (nb_args >= MAX_ARGS)
2910             return;
2911         args[nb_args++] = qemu_strdup("");
2912     }
2913     if (nb_args <= 1) {
2914         /* command completion */
2915         if (nb_args == 0)
2916             cmdname = "";
2917         else
2918             cmdname = args[0];
2919         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
2920         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2921             cmd_completion(cmdname, cmd->name);
2922         }
2923     } else {
2924         /* find the command */
2925         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2926             if (compare_cmd(args[0], cmd->name))
2927                 goto found;
2928         }
2929         return;
2930     found:
2931         ptype = cmd->args_type;
2932         for(i = 0; i < nb_args - 2; i++) {
2933             if (*ptype != '\0') {
2934                 ptype++;
2935                 while (*ptype == '?')
2936                     ptype++;
2937             }
2938         }
2939         str = args[nb_args - 1];
2940         switch(*ptype) {
2941         case 'F':
2942             /* file completion */
2943             readline_set_completion_index(cur_mon->rs, strlen(str));
2944             file_completion(str);
2945             break;
2946         case 'B':
2947             /* block device name completion */
2948             readline_set_completion_index(cur_mon->rs, strlen(str));
2949             bdrv_iterate(block_completion_it, (void *)str);
2950             break;
2951         case 's':
2952             /* XXX: more generic ? */
2953             if (!strcmp(cmd->name, "info")) {
2954                 readline_set_completion_index(cur_mon->rs, strlen(str));
2955                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2956                     cmd_completion(str, cmd->name);
2957                 }
2958             } else if (!strcmp(cmd->name, "sendkey")) {
2959                 char *sep = strrchr(str, '-');
2960                 if (sep)
2961                     str = sep + 1;
2962                 readline_set_completion_index(cur_mon->rs, strlen(str));
2963                 for(key = key_defs; key->name != NULL; key++) {
2964                     cmd_completion(str, key->name);
2965                 }
2966             } else if (!strcmp(cmd->name, "help|?")) {
2967                 readline_set_completion_index(cur_mon->rs, strlen(str));
2968                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
2969                     cmd_completion(str, cmd->name);
2970                 }
2971             }
2972             break;
2973         default:
2974             break;
2975         }
2976     }
2977     for(i = 0; i < nb_args; i++)
2978         qemu_free(args[i]);
2979 }
2980
2981 static int monitor_can_read(void *opaque)
2982 {
2983     Monitor *mon = opaque;
2984
2985     return (mon->suspend_cnt == 0) ? 128 : 0;
2986 }
2987
2988 static void monitor_read(void *opaque, const uint8_t *buf, int size)
2989 {
2990     Monitor *old_mon = cur_mon;
2991     int i;
2992
2993     cur_mon = opaque;
2994
2995     if (cur_mon->rs) {
2996         for (i = 0; i < size; i++)
2997             readline_handle_byte(cur_mon->rs, buf[i]);
2998     } else {
2999         if (size == 0 || buf[size - 1] != 0)
3000             monitor_printf(cur_mon, "corrupted command\n");
3001         else
3002             monitor_handle_command(cur_mon, (char *)buf);
3003     }
3004
3005     cur_mon = old_mon;
3006 }
3007
3008 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3009 {
3010     monitor_suspend(mon);
3011     monitor_handle_command(mon, cmdline);
3012     monitor_resume(mon);
3013 }
3014
3015 int monitor_suspend(Monitor *mon)
3016 {
3017     if (!mon->rs)
3018         return -ENOTTY;
3019     mon->suspend_cnt++;
3020     return 0;
3021 }
3022
3023 void monitor_resume(Monitor *mon)
3024 {
3025     if (!mon->rs)
3026         return;
3027     if (--mon->suspend_cnt == 0)
3028         readline_show_prompt(mon->rs);
3029 }
3030
3031 static void monitor_event(void *opaque, int event)
3032 {
3033     Monitor *mon = opaque;
3034
3035     switch (event) {
3036     case CHR_EVENT_MUX_IN:
3037         readline_restart(mon->rs);
3038         monitor_resume(mon);
3039         monitor_flush(mon);
3040         break;
3041
3042     case CHR_EVENT_MUX_OUT:
3043         if (mon->suspend_cnt == 0)
3044             monitor_printf(mon, "\n");
3045         monitor_flush(mon);
3046         monitor_suspend(mon);
3047         break;
3048
3049     case CHR_EVENT_RESET:
3050         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3051                        "information\n", QEMU_VERSION);
3052         if (mon->chr->focus == 0)
3053             readline_show_prompt(mon->rs);
3054         break;
3055     }
3056 }
3057
3058
3059 /*
3060  * Local variables:
3061  *  c-indent-level: 4
3062  *  c-basic-offset: 4
3063  *  tab-width: 8
3064  * End:
3065  */
3066
3067 void monitor_init(CharDriverState *chr, int flags)
3068 {
3069     static int is_first_init = 1;
3070     Monitor *mon;
3071
3072     if (is_first_init) {
3073         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3074         is_first_init = 0;
3075     }
3076
3077     mon = qemu_mallocz(sizeof(*mon));
3078
3079     mon->chr = chr;
3080     mon->flags = flags;
3081     if (mon->chr->focus != 0)
3082         mon->suspend_cnt = 1; /* mux'ed monitors start suspended */
3083     if (flags & MONITOR_USE_READLINE) {
3084         mon->rs = readline_init(mon, monitor_find_completion);
3085         monitor_read_command(mon, 0);
3086     }
3087
3088     qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3089                           mon);
3090
3091     LIST_INSERT_HEAD(&mon_list, mon, entry);
3092     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3093         cur_mon = mon;
3094 }
3095
3096 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3097 {
3098     BlockDriverState *bs = opaque;
3099     int ret = 0;
3100
3101     if (bdrv_set_key(bs, password) != 0) {
3102         monitor_printf(mon, "invalid password\n");
3103         ret = -EPERM;
3104     }
3105     if (mon->password_completion_cb)
3106         mon->password_completion_cb(mon->password_opaque, ret);
3107
3108     monitor_read_command(mon, 1);
3109 }
3110
3111 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3112                                  BlockDriverCompletionFunc *completion_cb,
3113                                  void *opaque)
3114 {
3115     int err;
3116
3117     if (!bdrv_key_required(bs)) {
3118         if (completion_cb)
3119             completion_cb(opaque, 0);
3120         return;
3121     }
3122
3123     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3124                    bdrv_get_encrypted_filename(bs));
3125
3126     mon->password_completion_cb = completion_cb;
3127     mon->password_opaque = opaque;
3128
3129     err = monitor_read_password(mon, bdrv_password_cb, bs);
3130
3131     if (err && completion_cb)
3132         completion_cb(opaque, err);
3133 }