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 "hw/loader.h"
  33 #include "gdbstub.h"
  34 #include "net.h"
  35 #include "qemu-char.h"
  36 #include "sysemu.h"
  37 #include "monitor.h"
  38 #include "readline.h"
  39 #include "console.h"
  40 #include "block.h"
  41 #include "audio/audio.h"
  42 #include "disas.h"
  43 #include "balloon.h"
  44 #include "qemu-timer.h"
  45 #include "migration.h"
  46 #include "kvm.h"
  47 #include "acl.h"
  48 #include "qint.h"
  49 #include "qlist.h"
  50 #include "qdict.h"
  51 #include "qbool.h"
  52 #include "qstring.h"
  53 #include "qerror.h"
  54 #include "qjson.h"
  55 #include "json-streamer.h"
  56 #include "json-parser.h"
  57
  58 //#define DEBUG
  59 //#define DEBUG_COMPLETION
  60
  61 /*
  62  * Supported types:
  63  *
  64  * 'F'          filename
  65  * 'B'          block device name
  66  * 's'          string (accept optional quote)
  67  * 'i'          32 bit integer
  68  * 'l'          target long (32 or 64 bit)
  69  * '/'          optional gdb-like print format (like "/10x")
  70  *
  71  * '?'          optional type (for all types, except '/')
  72  * '.'          other form of optional type (for 'i' and 'l')
  73  * '-'          optional parameter (eg. '-f')
  74  *
  75  */
  76
  77 typedef struct mon_cmd_t {
  78     const char *name;
  79     const char *args_type;
  80     const char *params;
  81     const char *help;
  82     void (*user_print)(Monitor *mon, const QObject *data);
  83     union {
  84         void (*info)(Monitor *mon);
  85         void (*info_new)(Monitor *mon, QObject **ret_data);
  86         void (*cmd)(Monitor *mon, const QDict *qdict);
  87         void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
  88     } mhandler;
  89 } mon_cmd_t;
  90
  91 /* file descriptors passed via SCM_RIGHTS */
  92 typedef struct mon_fd_t mon_fd_t;
  93 struct mon_fd_t {
  94     char *name;
  95     int fd;
  96     QLIST_ENTRY(mon_fd_t) next;
  97 };
  98
  99 typedef struct MonitorControl {
 100     QObject *id;
 101     int print_enabled;
 102     JSONMessageParser parser;
 103 } MonitorControl;
 104
 105 struct Monitor {
 106     CharDriverState *chr;
 107     int mux_out;
 108     int reset_seen;
 109     int flags;
 110     int suspend_cnt;
 111     uint8_t outbuf[1024];
 112     int outbuf_index;
 113     ReadLineState *rs;
 114     MonitorControl *mc;
 115     CPUState *mon_cpu;
 116     BlockDriverCompletionFunc *password_completion_cb;
 117     void *password_opaque;
 118     QError *error;
 119     QLIST_HEAD(,mon_fd_t) fds;
 120     QLIST_ENTRY(Monitor) entry;
 121 };
 122
 123 static QLIST_HEAD(mon_list, Monitor) mon_list;
 124
 125 static const mon_cmd_t mon_cmds[];
 126 static const mon_cmd_t info_cmds[];
 127
 128 Monitor *cur_mon = NULL;
 129
 130 static void monitor_command_cb(Monitor *mon, const char *cmdline,
 131                                void *opaque);
 132
 133 /* Return true if in control mode, false otherwise */
 134 static inline int monitor_ctrl_mode(const Monitor *mon)
 135 {
 136     return (mon->flags & MONITOR_USE_CONTROL);
 137 }
 138
 139 static void monitor_read_command(Monitor *mon, int show_prompt)
 140 {
 141     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
 142     if (show_prompt)
 143         readline_show_prompt(mon->rs);
 144 }
 145
 146 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 147                                  void *opaque)
 148 {
 149     if (mon->rs) {
 150         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 151         /* prompt is printed on return from the command handler */
 152         return 0;
 153     } else {
 154         monitor_printf(mon, "terminal does not support password prompting\n");
 155         return -ENOTTY;
 156     }
 157 }
 158
 159 void monitor_flush(Monitor *mon)
 160 {
 161     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
 162         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 163         mon->outbuf_index = 0;
 164     }
 165 }
 166
 167 /* flush at every end of line or if the buffer is full */
 168 static void monitor_puts(Monitor *mon, const char *str)
 169 {
 170     char c;
 171
 172     if (!mon)
 173         return;
 174
 175     for(;;) {
 176         c = *str++;
 177         if (c == '\0')
 178             break;
 179         if (c == '\n')
 180             mon->outbuf[mon->outbuf_index++] = '\r';
 181         mon->outbuf[mon->outbuf_index++] = c;
 182         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 183             || c == '\n')
 184             monitor_flush(mon);
 185     }
 186 }
 187
 188 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 189 {
 190     if (mon->mc && !mon->mc->print_enabled) {
 191         qemu_error_new(QERR_UNDEFINED_ERROR);
 192     } else {
 193         char buf[4096];
 194         vsnprintf(buf, sizeof(buf), fmt, ap);
 195         monitor_puts(mon, buf);
 196     }
 197 }
 198
 199 void monitor_printf(Monitor *mon, const char *fmt, ...)
 200 {
 201     va_list ap;
 202     va_start(ap, fmt);
 203     monitor_vprintf(mon, fmt, ap);
 204     va_end(ap);
 205 }
 206
 207 void monitor_print_filename(Monitor *mon, const char *filename)
 208 {
 209     int i;
 210
 211     for (i = 0; filename[i]; i++) {
 212         switch (filename[i]) {
 213         case ' ':
 214         case '"':
 215         case '\\':
 216             monitor_printf(mon, "\\%c", filename[i]);
 217             break;
 218         case '\t':
 219             monitor_printf(mon, "\\t");
 220             break;
 221         case '\r':
 222             monitor_printf(mon, "\\r");
 223             break;
 224         case '\n':
 225             monitor_printf(mon, "\\n");
 226             break;
 227         default:
 228             monitor_printf(mon, "%c", filename[i]);
 229             break;
 230         }
 231     }
 232 }
 233
 234 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 235 {
 236     va_list ap;
 237     va_start(ap, fmt);
 238     monitor_vprintf((Monitor *)stream, fmt, ap);
 239     va_end(ap);
 240     return 0;
 241 }
 242
 243 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
 244
 245 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
 246 {
 247     return cmd->user_print != NULL;
 248 }
 249
 250 static inline int monitor_has_error(const Monitor *mon)
 251 {
 252     return mon->error != NULL;
 253 }
 254
 255 static void monitor_print_qobject(Monitor *mon, const QObject *data)
 256 {
 257     switch (qobject_type(data)) {
 258         case QTYPE_QSTRING:
 259             monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
 260             break;
 261         case QTYPE_QINT:
 262             monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
 263             break;
 264         default:
 265             monitor_printf(mon, "ERROR: unsupported type: %d",
 266                                                         qobject_type(data));
 267             break;
 268     }
 269
 270     monitor_puts(mon, "\n");
 271 }
 272
 273 static void monitor_json_emitter(Monitor *mon, const QObject *data)
 274 {
 275     QString *json;
 276
 277     json = qobject_to_json(data);
 278     assert(json != NULL);
 279
 280     mon->mc->print_enabled = 1;
 281     monitor_printf(mon, "%s\n", qstring_get_str(json));
 282     mon->mc->print_enabled = 0;
 283
 284     QDECREF(json);
 285 }
 286
 287 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
 288 {
 289     QDict *qmp;
 290
 291     qmp = qdict_new();
 292
 293     if (!monitor_has_error(mon)) {
 294         /* success response */
 295         if (data) {
 296             qobject_incref(data);
 297             qdict_put_obj(qmp, "return", data);
 298         } else {
 299             qdict_put(qmp, "return", qstring_from_str("OK"));
 300         }
 301     } else {
 302         /* error response */
 303         qdict_put(qmp, "error", mon->error->error);
 304         QINCREF(mon->error->error);
 305         QDECREF(mon->error);
 306         mon->error = NULL;
 307     }
 308
 309     if (mon->mc->id) {
 310         qdict_put_obj(qmp, "id", mon->mc->id);
 311         mon->mc->id = NULL;
 312     }
 313
 314     monitor_json_emitter(mon, QOBJECT(qmp));
 315     QDECREF(qmp);
 316 }
 317
 318 static void timestamp_put(QDict *qdict)
 319 {
 320     int err;
 321     QObject *obj;
 322     struct timeval tv;
 323
 324     err = gettimeofday(&tv, NULL);
 325     if (err < 0)
 326         return;
 327
 328     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
 329                                 "'microseconds': %" PRId64 " }",
 330                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
 331     assert(obj != NULL);
 332
 333     qdict_put_obj(qdict, "timestamp", obj);
 334 }
 335
 336 /**
 337  * monitor_protocol_event(): Generate a Monitor event
 338  *
 339  * Event-specific data can be emitted through the (optional) 'data' parameter.
 340  */
 341 void monitor_protocol_event(MonitorEvent event, QObject *data)
 342 {
 343     QDict *qmp;
 344     const char *event_name;
 345     Monitor *mon = cur_mon;
 346
 347     assert(event < EVENT_MAX);
 348
 349     if (!monitor_ctrl_mode(mon))
 350         return;
 351
 352     switch (event) {
 353         case EVENT_DEBUG:
 354             event_name = "DEBUG";
 355             break;
 356         case EVENT_SHUTDOWN:
 357             event_name = "SHUTDOWN";
 358             break;
 359         case EVENT_RESET:
 360             event_name = "RESET";
 361             break;
 362         case EVENT_POWERDOWN:
 363             event_name = "POWERDOWN";
 364             break;
 365         case EVENT_STOP:
 366             event_name = "STOP";
 367             break;
 368         default:
 369             abort();
 370             break;
 371     }
 372
 373     qmp = qdict_new();
 374     timestamp_put(qmp);
 375     qdict_put(qmp, "event", qstring_from_str(event_name));
 376     if (data)
 377         qdict_put_obj(qmp, "data", data);
 378
 379     monitor_json_emitter(mon, QOBJECT(qmp));
 380     QDECREF(qmp);
 381 }
 382
 383 static int compare_cmd(const char *name, const char *list)
 384 {
 385     const char *p, *pstart;
 386     int len;
 387     len = strlen(name);
 388     p = list;
 389     for(;;) {
 390         pstart = p;
 391         p = strchr(p, '|');
 392         if (!p)
 393             p = pstart + strlen(pstart);
 394         if ((p - pstart) == len && !memcmp(pstart, name, len))
 395             return 1;
 396         if (*p == '\0')
 397             break;
 398         p++;
 399     }
 400     return 0;
 401 }
 402
 403 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 404                           const char *prefix, const char *name)
 405 {
 406     const mon_cmd_t *cmd;
 407
 408     for(cmd = cmds; cmd->name != NULL; cmd++) {
 409         if (!name || !strcmp(name, cmd->name))
 410             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 411                            cmd->params, cmd->help);
 412     }
 413 }
 414
 415 static void help_cmd(Monitor *mon, const char *name)
 416 {
 417     if (name && !strcmp(name, "info")) {
 418         help_cmd_dump(mon, info_cmds, "info ", NULL);
 419     } else {
 420         help_cmd_dump(mon, mon_cmds, "", name);
 421         if (name && !strcmp(name, "log")) {
 422             const CPULogItem *item;
 423             monitor_printf(mon, "Log items (comma separated):\n");
 424             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 425             for(item = cpu_log_items; item->mask != 0; item++) {
 426                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 427             }
 428         }
 429     }
 430 }
 431
 432 static void do_help_cmd(Monitor *mon, const QDict *qdict)
 433 {
 434     help_cmd(mon, qdict_get_try_str(qdict, "name"));
 435 }
 436
 437 static void do_commit(Monitor *mon, const QDict *qdict)
 438 {
 439     int all_devices;
 440     DriveInfo *dinfo;
 441     const char *device = qdict_get_str(qdict, "device");
 442
 443     all_devices = !strcmp(device, "all");
 444     QTAILQ_FOREACH(dinfo, &drives, next) {
 445         if (!all_devices)
 446             if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
 447                 continue;
 448         bdrv_commit(dinfo->bdrv);
 449     }
 450 }
 451
 452 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
 453 {
 454     const mon_cmd_t *cmd;
 455     const char *item = qdict_get_try_str(qdict, "item");
 456
 457     if (!item) {
 458         assert(monitor_ctrl_mode(mon) == 0);
 459         goto help;
 460     }
 461
 462     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 463         if (compare_cmd(item, cmd->name))
 464             break;
 465     }
 466
 467     if (cmd->name == NULL) {
 468         if (monitor_ctrl_mode(mon)) {
 469             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 470             return;
 471         }
 472         goto help;
 473     }
 474
 475     if (monitor_handler_ported(cmd)) {
 476         cmd->mhandler.info_new(mon, ret_data);
 477
 478         if (!monitor_ctrl_mode(mon)) {
 479             /*
 480              * User Protocol function is called here, Monitor Protocol is
 481              * handled by monitor_call_handler()
 482              */
 483             if (*ret_data)
 484                 cmd->user_print(mon, *ret_data);
 485         }
 486     } else {
 487         if (monitor_ctrl_mode(mon)) {
 488             /* handler not converted yet */
 489             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 490         } else {
 491             cmd->mhandler.info(mon);
 492         }
 493     }
 494
 495     return;
 496
 497 help:
 498     help_cmd(mon, "info");
 499 }
 500
 501 /**
 502  * do_info_version(): Show QEMU version
 503  */
 504 static void do_info_version(Monitor *mon, QObject **ret_data)
 505 {
 506     *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
 507 }
 508
 509 static void do_info_name(Monitor *mon)
 510 {
 511     if (qemu_name)
 512         monitor_printf(mon, "%s\n", qemu_name);
 513 }
 514
 515 /**
 516  * do_info_commands(): List QMP available commands
 517  *
 518  * Return a QList of QStrings.
 519  */
 520 static void do_info_commands(Monitor *mon, QObject **ret_data)
 521 {
 522     QList *cmd_list;
 523     const mon_cmd_t *cmd;
 524
 525     cmd_list = qlist_new();
 526
 527     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
 528         if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
 529             qlist_append(cmd_list, qstring_from_str(cmd->name));
 530         }
 531     }
 532
 533     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 534         if (monitor_handler_ported(cmd)) {
 535             char buf[128];
 536             snprintf(buf, sizeof(buf), "query-%s", cmd->name);
 537             qlist_append(cmd_list, qstring_from_str(buf));
 538         }
 539     }
 540
 541     *ret_data = QOBJECT(cmd_list);
 542 }
 543
 544 #if defined(TARGET_I386)
 545 static void do_info_hpet(Monitor *mon)
 546 {
 547     monitor_printf(mon, "HPET is %s by QEMU\n",
 548                    (no_hpet) ? "disabled" : "enabled");
 549 }
 550 #endif
 551
 552 static void do_info_uuid(Monitor *mon)
 553 {
 554     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 555                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 556                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 557                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 558                    qemu_uuid[14], qemu_uuid[15]);
 559 }
 560
 561 /* get the current CPU defined by the user */
 562 static int mon_set_cpu(int cpu_index)
 563 {
 564     CPUState *env;
 565
 566     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 567         if (env->cpu_index == cpu_index) {
 568             cur_mon->mon_cpu = env;
 569             return 0;
 570         }
 571     }
 572     return -1;
 573 }
 574
 575 static CPUState *mon_get_cpu(void)
 576 {
 577     if (!cur_mon->mon_cpu) {
 578         mon_set_cpu(0);
 579     }
 580     cpu_synchronize_state(cur_mon->mon_cpu);
 581     return cur_mon->mon_cpu;
 582 }
 583
 584 static void do_info_registers(Monitor *mon)
 585 {
 586     CPUState *env;
 587     env = mon_get_cpu();
 588     if (!env)
 589         return;
 590 #ifdef TARGET_I386
 591     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 592                    X86_DUMP_FPU);
 593 #else
 594     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 595                    0);
 596 #endif
 597 }
 598
 599 static void print_cpu_iter(QObject *obj, void *opaque)
 600 {
 601     QDict *cpu;
 602     int active = ' ';
 603     Monitor *mon = opaque;
 604
 605     assert(qobject_type(obj) == QTYPE_QDICT);
 606     cpu = qobject_to_qdict(obj);
 607
 608     if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
 609         active = '*';
 610
 611     monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
 612
 613 #if defined(TARGET_I386)
 614     monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
 615                    (target_ulong) qdict_get_int(cpu, "pc"));
 616 #elif defined(TARGET_PPC)
 617     monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
 618                    (target_long) qdict_get_int(cpu, "nip"));
 619 #elif defined(TARGET_SPARC)
 620     monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
 621                    (target_long) qdict_get_int(cpu, "pc"));
 622     monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
 623                    (target_long) qdict_get_int(cpu, "npc"));
 624 #elif defined(TARGET_MIPS)
 625     monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
 626                    (target_long) qdict_get_int(cpu, "PC"));
 627 #endif
 628
 629     if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
 630         monitor_printf(mon, " (halted)");
 631
 632     monitor_printf(mon, "\n");
 633 }
 634
 635 static void monitor_print_cpus(Monitor *mon, const QObject *data)
 636 {
 637     QList *cpu_list;
 638
 639     assert(qobject_type(data) == QTYPE_QLIST);
 640     cpu_list = qobject_to_qlist(data);
 641     qlist_iter(cpu_list, print_cpu_iter, mon);
 642 }
 643
 644 /**
 645  * do_info_cpus(): Show CPU information
 646  *
 647  * Return a QList with a QDict for each CPU.
 648  *
 649  * For example:
 650  *
 651  * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
 652  *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
 653  */
 654 static void do_info_cpus(Monitor *mon, QObject **ret_data)
 655 {
 656     CPUState *env;
 657     QList *cpu_list;
 658
 659     cpu_list = qlist_new();
 660
 661     /* just to set the default cpu if not already done */
 662     mon_get_cpu();
 663
 664     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 665         const char *answer;
 666         QDict *cpu = qdict_new();
 667
 668         cpu_synchronize_state(env);
 669
 670         qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
 671         answer = (env == mon->mon_cpu) ? "yes" : "no";
 672         qdict_put(cpu, "current", qstring_from_str(answer));
 673
 674 #if defined(TARGET_I386)
 675         qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
 676 #elif defined(TARGET_PPC)
 677         qdict_put(cpu, "nip", qint_from_int(env->nip));
 678 #elif defined(TARGET_SPARC)
 679         qdict_put(cpu, "pc", qint_from_int(env->pc));
 680         qdict_put(cpu, "npc", qint_from_int(env->npc));
 681 #elif defined(TARGET_MIPS)
 682         qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
 683 #endif
 684         answer = env->halted ? "yes" : "no";
 685         qdict_put(cpu, "halted", qstring_from_str(answer));
 686
 687         qlist_append(cpu_list, cpu);
 688     }
 689
 690     *ret_data = QOBJECT(cpu_list);
 691 }
 692
 693 static void do_cpu_set(Monitor *mon, const QDict *qdict)
 694 {
 695     int index = qdict_get_int(qdict, "index");
 696     if (mon_set_cpu(index) < 0)
 697         monitor_printf(mon, "Invalid CPU index\n");
 698 }
 699
 700 static void do_info_jit(Monitor *mon)
 701 {
 702     dump_exec_info((FILE *)mon, monitor_fprintf);
 703 }
 704
 705 static void do_info_history(Monitor *mon)
 706 {
 707     int i;
 708     const char *str;
 709
 710     if (!mon->rs)
 711         return;
 712     i = 0;
 713     for(;;) {
 714         str = readline_get_history(mon->rs, i);
 715         if (!str)
 716             break;
 717         monitor_printf(mon, "%d: '%s'\n", i, str);
 718         i++;
 719     }
 720 }
 721
 722 #if defined(TARGET_PPC)
 723 /* XXX: not implemented in other targets */
 724 static void do_info_cpu_stats(Monitor *mon)
 725 {
 726     CPUState *env;
 727
 728     env = mon_get_cpu();
 729     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 730 }
 731 #endif
 732
 733 /**
 734  * do_quit(): Quit QEMU execution
 735  */
 736 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
 737 {
 738     exit(0);
 739 }
 740
 741 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 742 {
 743     if (bdrv_is_inserted(bs)) {
 744         if (!force) {
 745             if (!bdrv_is_removable(bs)) {
 746                 monitor_printf(mon, "device is not removable\n");
 747                 return -1;
 748             }
 749             if (bdrv_is_locked(bs)) {
 750                 monitor_printf(mon, "device is locked\n");
 751                 return -1;
 752             }
 753         }
 754         bdrv_close(bs);
 755     }
 756     return 0;
 757 }
 758
 759 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
 760 {
 761     BlockDriverState *bs;
 762     int force = qdict_get_int(qdict, "force");
 763     const char *filename = qdict_get_str(qdict, "filename");
 764
 765     bs = bdrv_find(filename);
 766     if (!bs) {
 767         monitor_printf(mon, "device not found\n");
 768         return;
 769     }
 770     eject_device(mon, bs, force);
 771 }
 772
 773 static void do_change_block(Monitor *mon, const char *device,
 774                             const char *filename, const char *fmt)
 775 {
 776     BlockDriverState *bs;
 777     BlockDriver *drv = NULL;
 778
 779     bs = bdrv_find(device);
 780     if (!bs) {
 781         monitor_printf(mon, "device not found\n");
 782         return;
 783     }
 784     if (fmt) {
 785         drv = bdrv_find_whitelisted_format(fmt);
 786         if (!drv) {
 787             monitor_printf(mon, "invalid format %s\n", fmt);
 788             return;
 789         }
 790     }
 791     if (eject_device(mon, bs, 0) < 0)
 792         return;
 793     bdrv_open2(bs, filename, 0, drv);
 794     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 795 }
 796
 797 static void change_vnc_password_cb(Monitor *mon, const char *password,
 798                                    void *opaque)
 799 {
 800     if (vnc_display_password(NULL, password) < 0)
 801         monitor_printf(mon, "could not set VNC server password\n");
 802
 803     monitor_read_command(mon, 1);
 804 }
 805
 806 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 807 {
 808     if (strcmp(target, "passwd") == 0 ||
 809         strcmp(target, "password") == 0) {
 810         if (arg) {
 811             char password[9];
 812             strncpy(password, arg, sizeof(password));
 813             password[sizeof(password) - 1] = '\0';
 814             change_vnc_password_cb(mon, password, NULL);
 815         } else {
 816             monitor_read_password(mon, change_vnc_password_cb, NULL);
 817         }
 818     } else {
 819         if (vnc_display_open(NULL, target) < 0)
 820             monitor_printf(mon, "could not start VNC server on %s\n", target);
 821     }
 822 }
 823
 824 static void do_change(Monitor *mon, const QDict *qdict)
 825 {
 826     const char *device = qdict_get_str(qdict, "device");
 827     const char *target = qdict_get_str(qdict, "target");
 828     const char *arg = qdict_get_try_str(qdict, "arg");
 829     if (strcmp(device, "vnc") == 0) {
 830         do_change_vnc(mon, target, arg);
 831     } else {
 832         do_change_block(mon, device, target, arg);
 833     }
 834 }
 835
 836 static void do_screen_dump(Monitor *mon, const QDict *qdict)
 837 {
 838     vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
 839 }
 840
 841 static void do_logfile(Monitor *mon, const QDict *qdict)
 842 {
 843     cpu_set_log_filename(qdict_get_str(qdict, "filename"));
 844 }
 845
 846 static void do_log(Monitor *mon, const QDict *qdict)
 847 {
 848     int mask;
 849     const char *items = qdict_get_str(qdict, "items");
 850
 851     if (!strcmp(items, "none")) {
 852         mask = 0;
 853     } else {
 854         mask = cpu_str_to_log_mask(items);
 855         if (!mask) {
 856             help_cmd(mon, "log");
 857             return;
 858         }
 859     }
 860     cpu_set_log(mask);
 861 }
 862
 863 static void do_singlestep(Monitor *mon, const QDict *qdict)
 864 {
 865     const char *option = qdict_get_try_str(qdict, "option");
 866     if (!option || !strcmp(option, "on")) {
 867         singlestep = 1;
 868     } else if (!strcmp(option, "off")) {
 869         singlestep = 0;
 870     } else {
 871         monitor_printf(mon, "unexpected option %s\n", option);
 872     }
 873 }
 874
 875 /**
 876  * do_stop(): Stop VM execution
 877  */
 878 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
 879 {
 880     vm_stop(EXCP_INTERRUPT);
 881 }
 882
 883 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 884
 885 struct bdrv_iterate_context {
 886     Monitor *mon;
 887     int err;
 888 };
 889
 890 /**
 891  * do_cont(): Resume emulation.
 892  */
 893 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
 894 {
 895     struct bdrv_iterate_context context = { mon, 0 };
 896
 897     bdrv_iterate(encrypted_bdrv_it, &context);
 898     /* only resume the vm if all keys are set and valid */
 899     if (!context.err)
 900         vm_start();
 901 }
 902
 903 static void bdrv_key_cb(void *opaque, int err)
 904 {
 905     Monitor *mon = opaque;
 906
 907     /* another key was set successfully, retry to continue */
 908     if (!err)
 909         do_cont(mon, NULL, NULL);
 910 }
 911
 912 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 913 {
 914     struct bdrv_iterate_context *context = opaque;
 915
 916     if (!context->err && bdrv_key_required(bs)) {
 917         context->err = -EBUSY;
 918         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 919                                     context->mon);
 920     }
 921 }
 922
 923 static void do_gdbserver(Monitor *mon, const QDict *qdict)
 924 {
 925     const char *device = qdict_get_try_str(qdict, "device");
 926     if (!device)
 927         device = "tcp::" DEFAULT_GDBSTUB_PORT;
 928     if (gdbserver_start(device) < 0) {
 929         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
 930                        device);
 931     } else if (strcmp(device, "none") == 0) {
 932         monitor_printf(mon, "Disabled gdbserver\n");
 933     } else {
 934         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
 935                        device);
 936     }
 937 }
 938
 939 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
 940 {
 941     const char *action = qdict_get_str(qdict, "action");
 942     if (select_watchdog_action(action) == -1) {
 943         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
 944     }
 945 }
 946
 947 static void monitor_printc(Monitor *mon, int c)
 948 {
 949     monitor_printf(mon, "'");
 950     switch(c) {
 951     case '\'':
 952         monitor_printf(mon, "\\'");
 953         break;
 954     case '\\':
 955         monitor_printf(mon, "\\\\");
 956         break;
 957     case '\n':
 958         monitor_printf(mon, "\\n");
 959         break;
 960     case '\r':
 961         monitor_printf(mon, "\\r");
 962         break;
 963     default:
 964         if (c >= 32 && c <= 126) {
 965             monitor_printf(mon, "%c", c);
 966         } else {
 967             monitor_printf(mon, "\\x%02x", c);
 968         }
 969         break;
 970     }
 971     monitor_printf(mon, "'");
 972 }
 973
 974 static void memory_dump(Monitor *mon, int count, int format, int wsize,
 975                         target_phys_addr_t addr, int is_physical)
 976 {
 977     CPUState *env;
 978     int nb_per_line, l, line_size, i, max_digits, len;
 979     uint8_t buf[16];
 980     uint64_t v;
 981
 982     if (format == 'i') {
 983         int flags;
 984         flags = 0;
 985         env = mon_get_cpu();
 986         if (!env && !is_physical)
 987             return;
 988 #ifdef TARGET_I386
 989         if (wsize == 2) {
 990             flags = 1;
 991         } else if (wsize == 4) {
 992             flags = 0;
 993         } else {
 994             /* as default we use the current CS size */
 995             flags = 0;
 996             if (env) {
 997 #ifdef TARGET_X86_64
 998                 if ((env->efer & MSR_EFER_LMA) &&
 999                     (env->segs[R_CS].flags & DESC_L_MASK))
1000                     flags = 2;
1001                 else
1002 #endif
1003                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1004                     flags = 1;
1005             }
1006         }
1007 #endif
1008         monitor_disas(mon, env, addr, count, is_physical, flags);
1009         return;
1010     }
1011
1012     len = wsize * count;
1013     if (wsize == 1)
1014         line_size = 8;
1015     else
1016         line_size = 16;
1017     nb_per_line = line_size / wsize;
1018     max_digits = 0;
1019
1020     switch(format) {
1021     case 'o':
1022         max_digits = (wsize * 8 + 2) / 3;
1023         break;
1024     default:
1025     case 'x':
1026         max_digits = (wsize * 8) / 4;
1027         break;
1028     case 'u':
1029     case 'd':
1030         max_digits = (wsize * 8 * 10 + 32) / 33;
1031         break;
1032     case 'c':
1033         wsize = 1;
1034         break;
1035     }
1036
1037     while (len > 0) {
1038         if (is_physical)
1039             monitor_printf(mon, TARGET_FMT_plx ":", addr);
1040         else
1041             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1042         l = len;
1043         if (l > line_size)
1044             l = line_size;
1045         if (is_physical) {
1046             cpu_physical_memory_rw(addr, buf, l, 0);
1047         } else {
1048             env = mon_get_cpu();
1049             if (!env)
1050                 break;
1051             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1052                 monitor_printf(mon, " Cannot access memory\n");
1053                 break;
1054             }
1055         }
1056         i = 0;
1057         while (i < l) {
1058             switch(wsize) {
1059             default:
1060             case 1:
1061                 v = ldub_raw(buf + i);
1062                 break;
1063             case 2:
1064                 v = lduw_raw(buf + i);
1065                 break;
1066             case 4:
1067                 v = (uint32_t)ldl_raw(buf + i);
1068                 break;
1069             case 8:
1070                 v = ldq_raw(buf + i);
1071                 break;
1072             }
1073             monitor_printf(mon, " ");
1074             switch(format) {
1075             case 'o':
1076                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1077                 break;
1078             case 'x':
1079                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1080                 break;
1081             case 'u':
1082                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1083                 break;
1084             case 'd':
1085                 monitor_printf(mon, "%*" PRId64, max_digits, v);
1086                 break;
1087             case 'c':
1088                 monitor_printc(mon, v);
1089                 break;
1090             }
1091             i += wsize;
1092         }
1093         monitor_printf(mon, "\n");
1094         addr += l;
1095         len -= l;
1096     }
1097 }
1098
1099 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1100 {
1101     int count = qdict_get_int(qdict, "count");
1102     int format = qdict_get_int(qdict, "format");
1103     int size = qdict_get_int(qdict, "size");
1104     target_long addr = qdict_get_int(qdict, "addr");
1105
1106     memory_dump(mon, count, format, size, addr, 0);
1107 }
1108
1109 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1110 {
1111     int count = qdict_get_int(qdict, "count");
1112     int format = qdict_get_int(qdict, "format");
1113     int size = qdict_get_int(qdict, "size");
1114     target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1115
1116     memory_dump(mon, count, format, size, addr, 1);
1117 }
1118
1119 static void do_print(Monitor *mon, const QDict *qdict)
1120 {
1121     int format = qdict_get_int(qdict, "format");
1122     target_phys_addr_t val = qdict_get_int(qdict, "val");
1123
1124 #if TARGET_PHYS_ADDR_BITS == 32
1125     switch(format) {
1126     case 'o':
1127         monitor_printf(mon, "%#o", val);
1128         break;
1129     case 'x':
1130         monitor_printf(mon, "%#x", val);
1131         break;
1132     case 'u':
1133         monitor_printf(mon, "%u", val);
1134         break;
1135     default:
1136     case 'd':
1137         monitor_printf(mon, "%d", val);
1138         break;
1139     case 'c':
1140         monitor_printc(mon, val);
1141         break;
1142     }
1143 #else
1144     switch(format) {
1145     case 'o':
1146         monitor_printf(mon, "%#" PRIo64, val);
1147         break;
1148     case 'x':
1149         monitor_printf(mon, "%#" PRIx64, val);
1150         break;
1151     case 'u':
1152         monitor_printf(mon, "%" PRIu64, val);
1153         break;
1154     default:
1155     case 'd':
1156         monitor_printf(mon, "%" PRId64, val);
1157         break;
1158     case 'c':
1159         monitor_printc(mon, val);
1160         break;
1161     }
1162 #endif
1163     monitor_printf(mon, "\n");
1164 }
1165
1166 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1167 {
1168     FILE *f;
1169     uint32_t size = qdict_get_int(qdict, "size");
1170     const char *filename = qdict_get_str(qdict, "filename");
1171     target_long addr = qdict_get_int(qdict, "val");
1172     uint32_t l;
1173     CPUState *env;
1174     uint8_t buf[1024];
1175
1176     env = mon_get_cpu();
1177     if (!env)
1178         return;
1179
1180     f = fopen(filename, "wb");
1181     if (!f) {
1182         monitor_printf(mon, "could not open '%s'\n", filename);
1183         return;
1184     }
1185     while (size != 0) {
1186         l = sizeof(buf);
1187         if (l > size)
1188             l = size;
1189         cpu_memory_rw_debug(env, addr, buf, l, 0);
1190         fwrite(buf, 1, l, f);
1191         addr += l;
1192         size -= l;
1193     }
1194     fclose(f);
1195 }
1196
1197 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1198                                     QObject **ret_data)
1199 {
1200     FILE *f;
1201     uint32_t l;
1202     uint8_t buf[1024];
1203     uint32_t size = qdict_get_int(qdict, "size");
1204     const char *filename = qdict_get_str(qdict, "filename");
1205     target_phys_addr_t addr = qdict_get_int(qdict, "val");
1206
1207     f = fopen(filename, "wb");
1208     if (!f) {
1209         monitor_printf(mon, "could not open '%s'\n", filename);
1210         return;
1211     }
1212     while (size != 0) {
1213         l = sizeof(buf);
1214         if (l > size)
1215             l = size;
1216         cpu_physical_memory_rw(addr, buf, l, 0);
1217         fwrite(buf, 1, l, f);
1218         fflush(f);
1219         addr += l;
1220         size -= l;
1221     }
1222     fclose(f);
1223 }
1224
1225 static void do_sum(Monitor *mon, const QDict *qdict)
1226 {
1227     uint32_t addr;
1228     uint8_t buf[1];
1229     uint16_t sum;
1230     uint32_t start = qdict_get_int(qdict, "start");
1231     uint32_t size = qdict_get_int(qdict, "size");
1232
1233     sum = 0;
1234     for(addr = start; addr < (start + size); addr++) {
1235         cpu_physical_memory_rw(addr, buf, 1, 0);
1236         /* BSD sum algorithm ('sum' Unix command) */
1237         sum = (sum >> 1) | (sum << 15);
1238         sum += buf[0];
1239     }
1240     monitor_printf(mon, "%05d\n", sum);
1241 }
1242
1243 typedef struct {
1244     int keycode;
1245     const char *name;
1246 } KeyDef;
1247
1248 static const KeyDef key_defs[] = {
1249     { 0x2a, "shift" },
1250     { 0x36, "shift_r" },
1251
1252     { 0x38, "alt" },
1253     { 0xb8, "alt_r" },
1254     { 0x64, "altgr" },
1255     { 0xe4, "altgr_r" },
1256     { 0x1d, "ctrl" },
1257     { 0x9d, "ctrl_r" },
1258
1259     { 0xdd, "menu" },
1260
1261     { 0x01, "esc" },
1262
1263     { 0x02, "1" },
1264     { 0x03, "2" },
1265     { 0x04, "3" },
1266     { 0x05, "4" },
1267     { 0x06, "5" },
1268     { 0x07, "6" },
1269     { 0x08, "7" },
1270     { 0x09, "8" },
1271     { 0x0a, "9" },
1272     { 0x0b, "0" },
1273     { 0x0c, "minus" },
1274     { 0x0d, "equal" },
1275     { 0x0e, "backspace" },
1276
1277     { 0x0f, "tab" },
1278     { 0x10, "q" },
1279     { 0x11, "w" },
1280     { 0x12, "e" },
1281     { 0x13, "r" },
1282     { 0x14, "t" },
1283     { 0x15, "y" },
1284     { 0x16, "u" },
1285     { 0x17, "i" },
1286     { 0x18, "o" },
1287     { 0x19, "p" },
1288
1289     { 0x1c, "ret" },
1290
1291     { 0x1e, "a" },
1292     { 0x1f, "s" },
1293     { 0x20, "d" },
1294     { 0x21, "f" },
1295     { 0x22, "g" },
1296     { 0x23, "h" },
1297     { 0x24, "j" },
1298     { 0x25, "k" },
1299     { 0x26, "l" },
1300
1301     { 0x2c, "z" },
1302     { 0x2d, "x" },
1303     { 0x2e, "c" },
1304     { 0x2f, "v" },
1305     { 0x30, "b" },
1306     { 0x31, "n" },
1307     { 0x32, "m" },
1308     { 0x33, "comma" },
1309     { 0x34, "dot" },
1310     { 0x35, "slash" },
1311
1312     { 0x37, "asterisk" },
1313
1314     { 0x39, "spc" },
1315     { 0x3a, "caps_lock" },
1316     { 0x3b, "f1" },
1317     { 0x3c, "f2" },
1318     { 0x3d, "f3" },
1319     { 0x3e, "f4" },
1320     { 0x3f, "f5" },
1321     { 0x40, "f6" },
1322     { 0x41, "f7" },
1323     { 0x42, "f8" },
1324     { 0x43, "f9" },
1325     { 0x44, "f10" },
1326     { 0x45, "num_lock" },
1327     { 0x46, "scroll_lock" },
1328
1329     { 0xb5, "kp_divide" },
1330     { 0x37, "kp_multiply" },
1331     { 0x4a, "kp_subtract" },
1332     { 0x4e, "kp_add" },
1333     { 0x9c, "kp_enter" },
1334     { 0x53, "kp_decimal" },
1335     { 0x54, "sysrq" },
1336
1337     { 0x52, "kp_0" },
1338     { 0x4f, "kp_1" },
1339     { 0x50, "kp_2" },
1340     { 0x51, "kp_3" },
1341     { 0x4b, "kp_4" },
1342     { 0x4c, "kp_5" },
1343     { 0x4d, "kp_6" },
1344     { 0x47, "kp_7" },
1345     { 0x48, "kp_8" },
1346     { 0x49, "kp_9" },
1347
1348     { 0x56, "<" },
1349
1350     { 0x57, "f11" },
1351     { 0x58, "f12" },
1352
1353     { 0xb7, "print" },
1354
1355     { 0xc7, "home" },
1356     { 0xc9, "pgup" },
1357     { 0xd1, "pgdn" },
1358     { 0xcf, "end" },
1359
1360     { 0xcb, "left" },
1361     { 0xc8, "up" },
1362     { 0xd0, "down" },
1363     { 0xcd, "right" },
1364
1365     { 0xd2, "insert" },
1366     { 0xd3, "delete" },
1367 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1368     { 0xf0, "stop" },
1369     { 0xf1, "again" },
1370     { 0xf2, "props" },
1371     { 0xf3, "undo" },
1372     { 0xf4, "front" },
1373     { 0xf5, "copy" },
1374     { 0xf6, "open" },
1375     { 0xf7, "paste" },
1376     { 0xf8, "find" },
1377     { 0xf9, "cut" },
1378     { 0xfa, "lf" },
1379     { 0xfb, "help" },
1380     { 0xfc, "meta_l" },
1381     { 0xfd, "meta_r" },
1382     { 0xfe, "compose" },
1383 #endif
1384     { 0, NULL },
1385 };
1386
1387 static int get_keycode(const char *key)
1388 {
1389     const KeyDef *p;
1390     char *endp;
1391     int ret;
1392
1393     for(p = key_defs; p->name != NULL; p++) {
1394         if (!strcmp(key, p->name))
1395             return p->keycode;
1396     }
1397     if (strstart(key, "0x", NULL)) {
1398         ret = strtoul(key, &endp, 0);
1399         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1400             return ret;
1401     }
1402     return -1;
1403 }
1404
1405 #define MAX_KEYCODES 16
1406 static uint8_t keycodes[MAX_KEYCODES];
1407 static int nb_pending_keycodes;
1408 static QEMUTimer *key_timer;
1409
1410 static void release_keys(void *opaque)
1411 {
1412     int keycode;
1413
1414     while (nb_pending_keycodes > 0) {
1415         nb_pending_keycodes--;
1416         keycode = keycodes[nb_pending_keycodes];
1417         if (keycode & 0x80)
1418             kbd_put_keycode(0xe0);
1419         kbd_put_keycode(keycode | 0x80);
1420     }
1421 }
1422
1423 static void do_sendkey(Monitor *mon, const QDict *qdict)
1424 {
1425     char keyname_buf[16];
1426     char *separator;
1427     int keyname_len, keycode, i;
1428     const char *string = qdict_get_str(qdict, "string");
1429     int has_hold_time = qdict_haskey(qdict, "hold_time");
1430     int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1431
1432     if (nb_pending_keycodes > 0) {
1433         qemu_del_timer(key_timer);
1434         release_keys(NULL);
1435     }
1436     if (!has_hold_time)
1437         hold_time = 100;
1438     i = 0;
1439     while (1) {
1440         separator = strchr(string, '-');
1441         keyname_len = separator ? separator - string : strlen(string);
1442         if (keyname_len > 0) {
1443             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1444             if (keyname_len > sizeof(keyname_buf) - 1) {
1445                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1446                 return;
1447             }
1448             if (i == MAX_KEYCODES) {
1449                 monitor_printf(mon, "too many keys\n");
1450                 return;
1451             }
1452             keyname_buf[keyname_len] = 0;
1453             keycode = get_keycode(keyname_buf);
1454             if (keycode < 0) {
1455                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1456                 return;
1457             }
1458             keycodes[i++] = keycode;
1459         }
1460         if (!separator)
1461             break;
1462         string = separator + 1;
1463     }
1464     nb_pending_keycodes = i;
1465     /* key down events */
1466     for (i = 0; i < nb_pending_keycodes; i++) {
1467         keycode = keycodes[i];
1468         if (keycode & 0x80)
1469             kbd_put_keycode(0xe0);
1470         kbd_put_keycode(keycode & 0x7f);
1471     }
1472     /* delayed key up events */
1473     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1474                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1475 }
1476
1477 static int mouse_button_state;
1478
1479 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1480 {
1481     int dx, dy, dz;
1482     const char *dx_str = qdict_get_str(qdict, "dx_str");
1483     const char *dy_str = qdict_get_str(qdict, "dy_str");
1484     const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1485     dx = strtol(dx_str, NULL, 0);
1486     dy = strtol(dy_str, NULL, 0);
1487     dz = 0;
1488     if (dz_str)
1489         dz = strtol(dz_str, NULL, 0);
1490     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1491 }
1492
1493 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1494 {
1495     int button_state = qdict_get_int(qdict, "button_state");
1496     mouse_button_state = button_state;
1497     kbd_mouse_event(0, 0, 0, mouse_button_state);
1498 }
1499
1500 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1501 {
1502     int size = qdict_get_int(qdict, "size");
1503     int addr = qdict_get_int(qdict, "addr");
1504     int has_index = qdict_haskey(qdict, "index");
1505     uint32_t val;
1506     int suffix;
1507
1508     if (has_index) {
1509         int index = qdict_get_int(qdict, "index");
1510         cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1511         addr++;
1512     }
1513     addr &= 0xffff;
1514
1515     switch(size) {
1516     default:
1517     case 1:
1518         val = cpu_inb(addr);
1519         suffix = 'b';
1520         break;
1521     case 2:
1522         val = cpu_inw(addr);
1523         suffix = 'w';
1524         break;
1525     case 4:
1526         val = cpu_inl(addr);
1527         suffix = 'l';
1528         break;
1529     }
1530     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1531                    suffix, addr, size * 2, val);
1532 }
1533
1534 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1535 {
1536     int size = qdict_get_int(qdict, "size");
1537     int addr = qdict_get_int(qdict, "addr");
1538     int val = qdict_get_int(qdict, "val");
1539
1540     addr &= IOPORTS_MASK;
1541
1542     switch (size) {
1543     default:
1544     case 1:
1545         cpu_outb(addr, val);
1546         break;
1547     case 2:
1548         cpu_outw(addr, val);
1549         break;
1550     case 4:
1551         cpu_outl(addr, val);
1552         break;
1553     }
1554 }
1555
1556 static void do_boot_set(Monitor *mon, const QDict *qdict)
1557 {
1558     int res;
1559     const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1560
1561     res = qemu_boot_set(bootdevice);
1562     if (res == 0) {
1563         monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1564     } else if (res > 0) {
1565         monitor_printf(mon, "setting boot device list failed\n");
1566     } else {
1567         monitor_printf(mon, "no function defined to set boot device list for "
1568                        "this architecture\n");
1569     }
1570 }
1571
1572 /**
1573  * do_system_reset(): Issue a machine reset
1574  */
1575 static void do_system_reset(Monitor *mon, const QDict *qdict,
1576                             QObject **ret_data)
1577 {
1578     qemu_system_reset_request();
1579 }
1580
1581 /**
1582  * do_system_powerdown(): Issue a machine powerdown
1583  */
1584 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1585                                 QObject **ret_data)
1586 {
1587     qemu_system_powerdown_request();
1588 }
1589
1590 #if defined(TARGET_I386)
1591 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1592 {
1593     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1594                    addr,
1595                    pte & mask,
1596                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1597                    pte & PG_PSE_MASK ? 'P' : '-',
1598                    pte & PG_DIRTY_MASK ? 'D' : '-',
1599                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1600                    pte & PG_PCD_MASK ? 'C' : '-',
1601                    pte & PG_PWT_MASK ? 'T' : '-',
1602                    pte & PG_USER_MASK ? 'U' : '-',
1603                    pte & PG_RW_MASK ? 'W' : '-');
1604 }
1605
1606 static void tlb_info(Monitor *mon)
1607 {
1608     CPUState *env;
1609     int l1, l2;
1610     uint32_t pgd, pde, pte;
1611
1612     env = mon_get_cpu();
1613     if (!env)
1614         return;
1615
1616     if (!(env->cr[0] & CR0_PG_MASK)) {
1617         monitor_printf(mon, "PG disabled\n");
1618         return;
1619     }
1620     pgd = env->cr[3] & ~0xfff;
1621     for(l1 = 0; l1 < 1024; l1++) {
1622         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1623         pde = le32_to_cpu(pde);
1624         if (pde & PG_PRESENT_MASK) {
1625             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1626                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1627             } else {
1628                 for(l2 = 0; l2 < 1024; l2++) {
1629                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1630                                              (uint8_t *)&pte, 4);
1631                     pte = le32_to_cpu(pte);
1632                     if (pte & PG_PRESENT_MASK) {
1633                         print_pte(mon, (l1 << 22) + (l2 << 12),
1634                                   pte & ~PG_PSE_MASK,
1635                                   ~0xfff);
1636                     }
1637                 }
1638             }
1639         }
1640     }
1641 }
1642
1643 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1644                       uint32_t end, int prot)
1645 {
1646     int prot1;
1647     prot1 = *plast_prot;
1648     if (prot != prot1) {
1649         if (*pstart != -1) {
1650             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1651                            *pstart, end, end - *pstart,
1652                            prot1 & PG_USER_MASK ? 'u' : '-',
1653                            'r',
1654                            prot1 & PG_RW_MASK ? 'w' : '-');
1655         }
1656         if (prot != 0)
1657             *pstart = end;
1658         else
1659             *pstart = -1;
1660         *plast_prot = prot;
1661     }
1662 }
1663
1664 static void mem_info(Monitor *mon)
1665 {
1666     CPUState *env;
1667     int l1, l2, prot, last_prot;
1668     uint32_t pgd, pde, pte, start, end;
1669
1670     env = mon_get_cpu();
1671     if (!env)
1672         return;
1673
1674     if (!(env->cr[0] & CR0_PG_MASK)) {
1675         monitor_printf(mon, "PG disabled\n");
1676         return;
1677     }
1678     pgd = env->cr[3] & ~0xfff;
1679     last_prot = 0;
1680     start = -1;
1681     for(l1 = 0; l1 < 1024; l1++) {
1682         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1683         pde = le32_to_cpu(pde);
1684         end = l1 << 22;
1685         if (pde & PG_PRESENT_MASK) {
1686             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1687                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1688                 mem_print(mon, &start, &last_prot, end, prot);
1689             } else {
1690                 for(l2 = 0; l2 < 1024; l2++) {
1691                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1692                                              (uint8_t *)&pte, 4);
1693                     pte = le32_to_cpu(pte);
1694                     end = (l1 << 22) + (l2 << 12);
1695                     if (pte & PG_PRESENT_MASK) {
1696                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1697                     } else {
1698                         prot = 0;
1699                     }
1700                     mem_print(mon, &start, &last_prot, end, prot);
1701                 }
1702             }
1703         } else {
1704             prot = 0;
1705             mem_print(mon, &start, &last_prot, end, prot);
1706         }
1707     }
1708 }
1709 #endif
1710
1711 #if defined(TARGET_SH4)
1712
1713 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1714 {
1715     monitor_printf(mon, " tlb%i:\t"
1716                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1717                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1718                    "dirty=%hhu writethrough=%hhu\n",
1719                    idx,
1720                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1721                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1722                    tlb->d, tlb->wt);
1723 }
1724
1725 static void tlb_info(Monitor *mon)
1726 {
1727     CPUState *env = mon_get_cpu();
1728     int i;
1729
1730     monitor_printf (mon, "ITLB:\n");
1731     for (i = 0 ; i < ITLB_SIZE ; i++)
1732         print_tlb (mon, i, &env->itlb[i]);
1733     monitor_printf (mon, "UTLB:\n");
1734     for (i = 0 ; i < UTLB_SIZE ; i++)
1735         print_tlb (mon, i, &env->utlb[i]);
1736 }
1737
1738 #endif
1739
1740 static void do_info_kvm(Monitor *mon)
1741 {
1742 #ifdef CONFIG_KVM
1743     monitor_printf(mon, "kvm support: ");
1744     if (kvm_enabled())
1745         monitor_printf(mon, "enabled\n");
1746     else
1747         monitor_printf(mon, "disabled\n");
1748 #else
1749     monitor_printf(mon, "kvm support: not compiled\n");
1750 #endif
1751 }
1752
1753 static void do_info_numa(Monitor *mon)
1754 {
1755     int i;
1756     CPUState *env;
1757
1758     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1759     for (i = 0; i < nb_numa_nodes; i++) {
1760         monitor_printf(mon, "node %d cpus:", i);
1761         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1762             if (env->numa_node == i) {
1763                 monitor_printf(mon, " %d", env->cpu_index);
1764             }
1765         }
1766         monitor_printf(mon, "\n");
1767         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1768             node_mem[i] >> 20);
1769     }
1770 }
1771
1772 #ifdef CONFIG_PROFILER
1773
1774 int64_t qemu_time;
1775 int64_t dev_time;
1776
1777 static void do_info_profile(Monitor *mon)
1778 {
1779     int64_t total;
1780     total = qemu_time;
1781     if (total == 0)
1782         total = 1;
1783     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1784                    dev_time, dev_time / (double)get_ticks_per_sec());
1785     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1786                    qemu_time, qemu_time / (double)get_ticks_per_sec());
1787     qemu_time = 0;
1788     dev_time = 0;
1789 }
1790 #else
1791 static void do_info_profile(Monitor *mon)
1792 {
1793     monitor_printf(mon, "Internal profiler not compiled\n");
1794 }
1795 #endif
1796
1797 /* Capture support */
1798 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1799
1800 static void do_info_capture(Monitor *mon)
1801 {
1802     int i;
1803     CaptureState *s;
1804
1805     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1806         monitor_printf(mon, "[%d]: ", i);
1807         s->ops.info (s->opaque);
1808     }
1809 }
1810
1811 #ifdef HAS_AUDIO
1812 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1813 {
1814     int i;
1815     int n = qdict_get_int(qdict, "n");
1816     CaptureState *s;
1817
1818     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1819         if (i == n) {
1820             s->ops.destroy (s->opaque);
1821             QLIST_REMOVE (s, entries);
1822             qemu_free (s);
1823             return;
1824         }
1825     }
1826 }
1827
1828 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1829 {
1830     const char *path = qdict_get_str(qdict, "path");
1831     int has_freq = qdict_haskey(qdict, "freq");
1832     int freq = qdict_get_try_int(qdict, "freq", -1);
1833     int has_bits = qdict_haskey(qdict, "bits");
1834     int bits = qdict_get_try_int(qdict, "bits", -1);
1835     int has_channels = qdict_haskey(qdict, "nchannels");
1836     int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1837     CaptureState *s;
1838
1839     s = qemu_mallocz (sizeof (*s));
1840
1841     freq = has_freq ? freq : 44100;
1842     bits = has_bits ? bits : 16;
1843     nchannels = has_channels ? nchannels : 2;
1844
1845     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1846         monitor_printf(mon, "Faied to add wave capture\n");
1847         qemu_free (s);
1848     }
1849     QLIST_INSERT_HEAD (&capture_head, s, entries);
1850 }
1851 #endif
1852
1853 #if defined(TARGET_I386)
1854 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1855 {
1856     CPUState *env;
1857     int cpu_index = qdict_get_int(qdict, "cpu_index");
1858
1859     for (env = first_cpu; env != NULL; env = env->next_cpu)
1860         if (env->cpu_index == cpu_index) {
1861             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1862             break;
1863         }
1864 }
1865 #endif
1866
1867 static void do_info_status(Monitor *mon)
1868 {
1869     if (vm_running) {
1870         if (singlestep) {
1871             monitor_printf(mon, "VM status: running (single step mode)\n");
1872         } else {
1873             monitor_printf(mon, "VM status: running\n");
1874         }
1875     } else
1876        monitor_printf(mon, "VM status: paused\n");
1877 }
1878
1879 /**
1880  * do_balloon(): Request VM to change its memory allocation
1881  */
1882 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1883 {
1884     int value = qdict_get_int(qdict, "value");
1885     ram_addr_t target = value;
1886     qemu_balloon(target << 20);
1887 }
1888
1889 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1890 {
1891     monitor_printf(mon, "balloon: actual=%d\n",
1892                                      (int)qint_get_int(qobject_to_qint(data)));
1893 }
1894
1895 /**
1896  * do_info_balloon(): Balloon information
1897  */
1898 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1899 {
1900     ram_addr_t actual;
1901
1902     actual = qemu_balloon_status();
1903     if (kvm_enabled() && !kvm_has_sync_mmu())
1904         qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1905     else if (actual == 0)
1906         qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1907     else
1908         *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1909 }
1910
1911 static qemu_acl *find_acl(Monitor *mon, const char *name)
1912 {
1913     qemu_acl *acl = qemu_acl_find(name);
1914
1915     if (!acl) {
1916         monitor_printf(mon, "acl: unknown list '%s'\n", name);
1917     }
1918     return acl;
1919 }
1920
1921 static void do_acl_show(Monitor *mon, const QDict *qdict)
1922 {
1923     const char *aclname = qdict_get_str(qdict, "aclname");
1924     qemu_acl *acl = find_acl(mon, aclname);
1925     qemu_acl_entry *entry;
1926     int i = 0;
1927
1928     if (acl) {
1929         monitor_printf(mon, "policy: %s\n",
1930                        acl->defaultDeny ? "deny" : "allow");
1931         QTAILQ_FOREACH(entry, &acl->entries, next) {
1932             i++;
1933             monitor_printf(mon, "%d: %s %s\n", i,
1934                            entry->deny ? "deny" : "allow", entry->match);
1935         }
1936     }
1937 }
1938
1939 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1940 {
1941     const char *aclname = qdict_get_str(qdict, "aclname");
1942     qemu_acl *acl = find_acl(mon, aclname);
1943
1944     if (acl) {
1945         qemu_acl_reset(acl);
1946         monitor_printf(mon, "acl: removed all rules\n");
1947     }
1948 }
1949
1950 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1951 {
1952     const char *aclname = qdict_get_str(qdict, "aclname");
1953     const char *policy = qdict_get_str(qdict, "policy");
1954     qemu_acl *acl = find_acl(mon, aclname);
1955
1956     if (acl) {
1957         if (strcmp(policy, "allow") == 0) {
1958             acl->defaultDeny = 0;
1959             monitor_printf(mon, "acl: policy set to 'allow'\n");
1960         } else if (strcmp(policy, "deny") == 0) {
1961             acl->defaultDeny = 1;
1962             monitor_printf(mon, "acl: policy set to 'deny'\n");
1963         } else {
1964             monitor_printf(mon, "acl: unknown policy '%s', "
1965                            "expected 'deny' or 'allow'\n", policy);
1966         }
1967     }
1968 }
1969
1970 static void do_acl_add(Monitor *mon, const QDict *qdict)
1971 {
1972     const char *aclname = qdict_get_str(qdict, "aclname");
1973     const char *match = qdict_get_str(qdict, "match");
1974     const char *policy = qdict_get_str(qdict, "policy");
1975     int has_index = qdict_haskey(qdict, "index");
1976     int index = qdict_get_try_int(qdict, "index", -1);
1977     qemu_acl *acl = find_acl(mon, aclname);
1978     int deny, ret;
1979
1980     if (acl) {
1981         if (strcmp(policy, "allow") == 0) {
1982             deny = 0;
1983         } else if (strcmp(policy, "deny") == 0) {
1984             deny = 1;
1985         } else {
1986             monitor_printf(mon, "acl: unknown policy '%s', "
1987                            "expected 'deny' or 'allow'\n", policy);
1988             return;
1989         }
1990         if (has_index)
1991             ret = qemu_acl_insert(acl, deny, match, index);
1992         else
1993             ret = qemu_acl_append(acl, deny, match);
1994         if (ret < 0)
1995             monitor_printf(mon, "acl: unable to add acl entry\n");
1996         else
1997             monitor_printf(mon, "acl: added rule at position %d\n", ret);
1998     }
1999 }
2000
2001 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2002 {
2003     const char *aclname = qdict_get_str(qdict, "aclname");
2004     const char *match = qdict_get_str(qdict, "match");
2005     qemu_acl *acl = find_acl(mon, aclname);
2006     int ret;
2007
2008     if (acl) {
2009         ret = qemu_acl_remove(acl, match);
2010         if (ret < 0)
2011             monitor_printf(mon, "acl: no matching acl entry\n");
2012         else
2013             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2014     }
2015 }
2016
2017 #if defined(TARGET_I386)
2018 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2019 {
2020     CPUState *cenv;
2021     int cpu_index = qdict_get_int(qdict, "cpu_index");
2022     int bank = qdict_get_int(qdict, "bank");
2023     uint64_t status = qdict_get_int(qdict, "status");
2024     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2025     uint64_t addr = qdict_get_int(qdict, "addr");
2026     uint64_t misc = qdict_get_int(qdict, "misc");
2027
2028     for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2029         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2030             cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2031             break;
2032         }
2033 }
2034 #endif
2035
2036 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2037 {
2038     const char *fdname = qdict_get_str(qdict, "fdname");
2039     mon_fd_t *monfd;
2040     int fd;
2041
2042     fd = qemu_chr_get_msgfd(mon->chr);
2043     if (fd == -1) {
2044         monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2045         return;
2046     }
2047
2048     if (qemu_isdigit(fdname[0])) {
2049         monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2050         return;
2051     }
2052
2053     fd = dup(fd);
2054     if (fd == -1) {
2055         monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2056                        strerror(errno));
2057         return;
2058     }
2059
2060     QLIST_FOREACH(monfd, &mon->fds, next) {
2061         if (strcmp(monfd->name, fdname) != 0) {
2062             continue;
2063         }
2064
2065         close(monfd->fd);
2066         monfd->fd = fd;
2067         return;
2068     }
2069
2070     monfd = qemu_mallocz(sizeof(mon_fd_t));
2071     monfd->name = qemu_strdup(fdname);
2072     monfd->fd = fd;
2073
2074     QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2075 }
2076
2077 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2078 {
2079     const char *fdname = qdict_get_str(qdict, "fdname");
2080     mon_fd_t *monfd;
2081
2082     QLIST_FOREACH(monfd, &mon->fds, next) {
2083         if (strcmp(monfd->name, fdname) != 0) {
2084             continue;
2085         }
2086
2087         QLIST_REMOVE(monfd, next);
2088         close(monfd->fd);
2089         qemu_free(monfd->name);
2090         qemu_free(monfd);
2091         return;
2092     }
2093
2094     monitor_printf(mon, "Failed to find file descriptor named %s\n",
2095                    fdname);
2096 }
2097
2098 static void do_loadvm(Monitor *mon, const QDict *qdict)
2099 {
2100     int saved_vm_running  = vm_running;
2101     const char *name = qdict_get_str(qdict, "name");
2102
2103     vm_stop(0);
2104
2105     if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2106         vm_start();
2107 }
2108
2109 int monitor_get_fd(Monitor *mon, const char *fdname)
2110 {
2111     mon_fd_t *monfd;
2112
2113     QLIST_FOREACH(monfd, &mon->fds, next) {
2114         int fd;
2115
2116         if (strcmp(monfd->name, fdname) != 0) {
2117             continue;
2118         }
2119
2120         fd = monfd->fd;
2121
2122         /* caller takes ownership of fd */
2123         QLIST_REMOVE(monfd, next);
2124         qemu_free(monfd->name);
2125         qemu_free(monfd);
2126
2127         return fd;
2128     }
2129
2130     return -1;
2131 }
2132
2133 static const mon_cmd_t mon_cmds[] = {
2134 #include "qemu-monitor.h"
2135     { NULL, NULL, },
2136 };
2137
2138 /* Please update qemu-monitor.hx when adding or changing commands */
2139 static const mon_cmd_t info_cmds[] = {
2140     {
2141         .name       = "version",
2142         .args_type  = "",
2143         .params     = "",
2144         .help       = "show the version of QEMU",
2145         .user_print = monitor_print_qobject,
2146         .mhandler.info_new = do_info_version,
2147     },
2148     {
2149         .name       = "commands",
2150         .args_type  = "",
2151         .params     = "",
2152         .help       = "list QMP available commands",
2153         .user_print = monitor_user_noop,
2154         .mhandler.info_new = do_info_commands,
2155     },
2156     {
2157         .name       = "network",
2158         .args_type  = "",
2159         .params     = "",
2160         .help       = "show the network state",
2161         .mhandler.info = do_info_network,
2162     },
2163     {
2164         .name       = "chardev",
2165         .args_type  = "",
2166         .params     = "",
2167         .help       = "show the character devices",
2168         .mhandler.info = qemu_chr_info,
2169     },
2170     {
2171         .name       = "block",
2172         .args_type  = "",
2173         .params     = "",
2174         .help       = "show the block devices",
2175         .mhandler.info = bdrv_info,
2176     },
2177     {
2178         .name       = "blockstats",
2179         .args_type  = "",
2180         .params     = "",
2181         .help       = "show block device statistics",
2182         .mhandler.info = bdrv_info_stats,
2183     },
2184     {
2185         .name       = "registers",
2186         .args_type  = "",
2187         .params     = "",
2188         .help       = "show the cpu registers",
2189         .mhandler.info = do_info_registers,
2190     },
2191     {
2192         .name       = "cpus",
2193         .args_type  = "",
2194         .params     = "",
2195         .help       = "show infos for each CPU",
2196         .user_print = monitor_print_cpus,
2197         .mhandler.info_new = do_info_cpus,
2198     },
2199     {
2200         .name       = "history",
2201         .args_type  = "",
2202         .params     = "",
2203         .help       = "show the command line history",
2204         .mhandler.info = do_info_history,
2205     },
2206     {
2207         .name       = "irq",
2208         .args_type  = "",
2209         .params     = "",
2210         .help       = "show the interrupts statistics (if available)",
2211         .mhandler.info = irq_info,
2212     },
2213     {
2214         .name       = "pic",
2215         .args_type  = "",
2216         .params     = "",
2217         .help       = "show i8259 (PIC) state",
2218         .mhandler.info = pic_info,
2219     },
2220     {
2221         .name       = "pci",
2222         .args_type  = "",
2223         .params     = "",
2224         .help       = "show PCI info",
2225         .mhandler.info = pci_info,
2226     },
2227 #if defined(TARGET_I386) || defined(TARGET_SH4)
2228     {
2229         .name       = "tlb",
2230         .args_type  = "",
2231         .params     = "",
2232         .help       = "show virtual to physical memory mappings",
2233         .mhandler.info = tlb_info,
2234     },
2235 #endif
2236 #if defined(TARGET_I386)
2237     {
2238         .name       = "mem",
2239         .args_type  = "",
2240         .params     = "",
2241         .help       = "show the active virtual memory mappings",
2242         .mhandler.info = mem_info,
2243     },
2244     {
2245         .name       = "hpet",
2246         .args_type  = "",
2247         .params     = "",
2248         .help       = "show state of HPET",
2249         .mhandler.info = do_info_hpet,
2250     },
2251 #endif
2252     {
2253         .name       = "jit",
2254         .args_type  = "",
2255         .params     = "",
2256         .help       = "show dynamic compiler info",
2257         .mhandler.info = do_info_jit,
2258     },
2259     {
2260         .name       = "kvm",
2261         .args_type  = "",
2262         .params     = "",
2263         .help       = "show KVM information",
2264         .mhandler.info = do_info_kvm,
2265     },
2266     {
2267         .name       = "numa",
2268         .args_type  = "",
2269         .params     = "",
2270         .help       = "show NUMA information",
2271         .mhandler.info = do_info_numa,
2272     },
2273     {
2274         .name       = "usb",
2275         .args_type  = "",
2276         .params     = "",
2277         .help       = "show guest USB devices",
2278         .mhandler.info = usb_info,
2279     },
2280     {
2281         .name       = "usbhost",
2282         .args_type  = "",
2283         .params     = "",
2284         .help       = "show host USB devices",
2285         .mhandler.info = usb_host_info,
2286     },
2287     {
2288         .name       = "profile",
2289         .args_type  = "",
2290         .params     = "",
2291         .help       = "show profiling information",
2292         .mhandler.info = do_info_profile,
2293     },
2294     {
2295         .name       = "capture",
2296         .args_type  = "",
2297         .params     = "",
2298         .help       = "show capture information",
2299         .mhandler.info = do_info_capture,
2300     },
2301     {
2302         .name       = "snapshots",
2303         .args_type  = "",
2304         .params     = "",
2305         .help       = "show the currently saved VM snapshots",
2306         .mhandler.info = do_info_snapshots,
2307     },
2308     {
2309         .name       = "status",
2310         .args_type  = "",
2311         .params     = "",
2312         .help       = "show the current VM status (running|paused)",
2313         .mhandler.info = do_info_status,
2314     },
2315     {
2316         .name       = "pcmcia",
2317         .args_type  = "",
2318         .params     = "",
2319         .help       = "show guest PCMCIA status",
2320         .mhandler.info = pcmcia_info,
2321     },
2322     {
2323         .name       = "mice",
2324         .args_type  = "",
2325         .params     = "",
2326         .help       = "show which guest mouse is receiving events",
2327         .mhandler.info = do_info_mice,
2328     },
2329     {
2330         .name       = "vnc",
2331         .args_type  = "",
2332         .params     = "",
2333         .help       = "show the vnc server status",
2334         .mhandler.info = do_info_vnc,
2335     },
2336     {
2337         .name       = "name",
2338         .args_type  = "",
2339         .params     = "",
2340         .help       = "show the current VM name",
2341         .mhandler.info = do_info_name,
2342     },
2343     {
2344         .name       = "uuid",
2345         .args_type  = "",
2346         .params     = "",
2347         .help       = "show the current VM UUID",
2348         .mhandler.info = do_info_uuid,
2349     },
2350 #if defined(TARGET_PPC)
2351     {
2352         .name       = "cpustats",
2353         .args_type  = "",
2354         .params     = "",
2355         .help       = "show CPU statistics",
2356         .mhandler.info = do_info_cpu_stats,
2357     },
2358 #endif
2359 #if defined(CONFIG_SLIRP)
2360     {
2361         .name       = "usernet",
2362         .args_type  = "",
2363         .params     = "",
2364         .help       = "show user network stack connection states",
2365         .mhandler.info = do_info_usernet,
2366     },
2367 #endif
2368     {
2369         .name       = "migrate",
2370         .args_type  = "",
2371         .params     = "",
2372         .help       = "show migration status",
2373         .mhandler.info = do_info_migrate,
2374     },
2375     {
2376         .name       = "balloon",
2377         .args_type  = "",
2378         .params     = "",
2379         .help       = "show balloon information",
2380         .user_print = monitor_print_balloon,
2381         .mhandler.info_new = do_info_balloon,
2382     },
2383     {
2384         .name       = "qtree",
2385         .args_type  = "",
2386         .params     = "",
2387         .help       = "show device tree",
2388         .mhandler.info = do_info_qtree,
2389     },
2390     {
2391         .name       = "qdm",
2392         .args_type  = "",
2393         .params     = "",
2394         .help       = "show qdev device model list",
2395         .mhandler.info = do_info_qdm,
2396     },
2397     {
2398         .name       = "roms",
2399         .args_type  = "",
2400         .params     = "",
2401         .help       = "show roms",
2402         .mhandler.info = do_info_roms,
2403     },
2404     {
2405         .name       = NULL,
2406     },
2407 };
2408
2409 /*******************************************************************/
2410
2411 static const char *pch;
2412 static jmp_buf expr_env;
2413
2414 #define MD_TLONG 0
2415 #define MD_I32   1
2416
2417 typedef struct MonitorDef {
2418     const char *name;
2419     int offset;
2420     target_long (*get_value)(const struct MonitorDef *md, int val);
2421     int type;
2422 } MonitorDef;
2423
2424 #if defined(TARGET_I386)
2425 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2426 {
2427     CPUState *env = mon_get_cpu();
2428     if (!env)
2429         return 0;
2430     return env->eip + env->segs[R_CS].base;
2431 }
2432 #endif
2433
2434 #if defined(TARGET_PPC)
2435 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2436 {
2437     CPUState *env = mon_get_cpu();
2438     unsigned int u;
2439     int i;
2440
2441     if (!env)
2442         return 0;
2443
2444     u = 0;
2445     for (i = 0; i < 8; i++)
2446         u |= env->crf[i] << (32 - (4 * i));
2447
2448     return u;
2449 }
2450
2451 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2452 {
2453     CPUState *env = mon_get_cpu();
2454     if (!env)
2455         return 0;
2456     return env->msr;
2457 }
2458
2459 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2460 {
2461     CPUState *env = mon_get_cpu();
2462     if (!env)
2463         return 0;
2464     return env->xer;
2465 }
2466
2467 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2468 {
2469     CPUState *env = mon_get_cpu();
2470     if (!env)
2471         return 0;
2472     return cpu_ppc_load_decr(env);
2473 }
2474
2475 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2476 {
2477     CPUState *env = mon_get_cpu();
2478     if (!env)
2479         return 0;
2480     return cpu_ppc_load_tbu(env);
2481 }
2482
2483 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2484 {
2485     CPUState *env = mon_get_cpu();
2486     if (!env)
2487         return 0;
2488     return cpu_ppc_load_tbl(env);
2489 }
2490 #endif
2491
2492 #if defined(TARGET_SPARC)
2493 #ifndef TARGET_SPARC64
2494 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2495 {
2496     CPUState *env = mon_get_cpu();
2497     if (!env)
2498         return 0;
2499     return GET_PSR(env);
2500 }
2501 #endif
2502
2503 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2504 {
2505     CPUState *env = mon_get_cpu();
2506     if (!env)
2507         return 0;
2508     return env->regwptr[val];
2509 }
2510 #endif
2511
2512 static const MonitorDef monitor_defs[] = {
2513 #ifdef TARGET_I386
2514
2515 #define SEG(name, seg) \
2516     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2517     { name ".base", offsetof(CPUState, segs[seg].base) },\
2518     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2519
2520     { "eax", offsetof(CPUState, regs[0]) },
2521     { "ecx", offsetof(CPUState, regs[1]) },
2522     { "edx", offsetof(CPUState, regs[2]) },
2523     { "ebx", offsetof(CPUState, regs[3]) },
2524     { "esp|sp", offsetof(CPUState, regs[4]) },
2525     { "ebp|fp", offsetof(CPUState, regs[5]) },
2526     { "esi", offsetof(CPUState, regs[6]) },
2527     { "edi", offsetof(CPUState, regs[7]) },
2528 #ifdef TARGET_X86_64
2529     { "r8", offsetof(CPUState, regs[8]) },
2530     { "r9", offsetof(CPUState, regs[9]) },
2531     { "r10", offsetof(CPUState, regs[10]) },
2532     { "r11", offsetof(CPUState, regs[11]) },
2533     { "r12", offsetof(CPUState, regs[12]) },
2534     { "r13", offsetof(CPUState, regs[13]) },
2535     { "r14", offsetof(CPUState, regs[14]) },
2536     { "r15", offsetof(CPUState, regs[15]) },
2537 #endif
2538     { "eflags", offsetof(CPUState, eflags) },
2539     { "eip", offsetof(CPUState, eip) },
2540     SEG("cs", R_CS)
2541     SEG("ds", R_DS)
2542     SEG("es", R_ES)
2543     SEG("ss", R_SS)
2544     SEG("fs", R_FS)
2545     SEG("gs", R_GS)
2546     { "pc", 0, monitor_get_pc, },
2547 #elif defined(TARGET_PPC)
2548     /* General purpose registers */
2549     { "r0", offsetof(CPUState, gpr[0]) },
2550     { "r1", offsetof(CPUState, gpr[1]) },
2551     { "r2", offsetof(CPUState, gpr[2]) },
2552     { "r3", offsetof(CPUState, gpr[3]) },
2553     { "r4", offsetof(CPUState, gpr[4]) },
2554     { "r5", offsetof(CPUState, gpr[5]) },
2555     { "r6", offsetof(CPUState, gpr[6]) },
2556     { "r7", offsetof(CPUState, gpr[7]) },
2557     { "r8", offsetof(CPUState, gpr[8]) },
2558     { "r9", offsetof(CPUState, gpr[9]) },
2559     { "r10", offsetof(CPUState, gpr[10]) },
2560     { "r11", offsetof(CPUState, gpr[11]) },
2561     { "r12", offsetof(CPUState, gpr[12]) },
2562     { "r13", offsetof(CPUState, gpr[13]) },
2563     { "r14", offsetof(CPUState, gpr[14]) },
2564     { "r15", offsetof(CPUState, gpr[15]) },
2565     { "r16", offsetof(CPUState, gpr[16]) },
2566     { "r17", offsetof(CPUState, gpr[17]) },
2567     { "r18", offsetof(CPUState, gpr[18]) },
2568     { "r19", offsetof(CPUState, gpr[19]) },
2569     { "r20", offsetof(CPUState, gpr[20]) },
2570     { "r21", offsetof(CPUState, gpr[21]) },
2571     { "r22", offsetof(CPUState, gpr[22]) },
2572     { "r23", offsetof(CPUState, gpr[23]) },
2573     { "r24", offsetof(CPUState, gpr[24]) },
2574     { "r25", offsetof(CPUState, gpr[25]) },
2575     { "r26", offsetof(CPUState, gpr[26]) },
2576     { "r27", offsetof(CPUState, gpr[27]) },
2577     { "r28", offsetof(CPUState, gpr[28]) },
2578     { "r29", offsetof(CPUState, gpr[29]) },
2579     { "r30", offsetof(CPUState, gpr[30]) },
2580     { "r31", offsetof(CPUState, gpr[31]) },
2581     /* Floating point registers */
2582     { "f0", offsetof(CPUState, fpr[0]) },
2583     { "f1", offsetof(CPUState, fpr[1]) },
2584     { "f2", offsetof(CPUState, fpr[2]) },
2585     { "f3", offsetof(CPUState, fpr[3]) },
2586     { "f4", offsetof(CPUState, fpr[4]) },
2587     { "f5", offsetof(CPUState, fpr[5]) },
2588     { "f6", offsetof(CPUState, fpr[6]) },
2589     { "f7", offsetof(CPUState, fpr[7]) },
2590     { "f8", offsetof(CPUState, fpr[8]) },
2591     { "f9", offsetof(CPUState, fpr[9]) },
2592     { "f10", offsetof(CPUState, fpr[10]) },
2593     { "f11", offsetof(CPUState, fpr[11]) },
2594     { "f12", offsetof(CPUState, fpr[12]) },
2595     { "f13", offsetof(CPUState, fpr[13]) },
2596     { "f14", offsetof(CPUState, fpr[14]) },
2597     { "f15", offsetof(CPUState, fpr[15]) },
2598     { "f16", offsetof(CPUState, fpr[16]) },
2599     { "f17", offsetof(CPUState, fpr[17]) },
2600     { "f18", offsetof(CPUState, fpr[18]) },
2601     { "f19", offsetof(CPUState, fpr[19]) },
2602     { "f20", offsetof(CPUState, fpr[20]) },
2603     { "f21", offsetof(CPUState, fpr[21]) },
2604     { "f22", offsetof(CPUState, fpr[22]) },
2605     { "f23", offsetof(CPUState, fpr[23]) },
2606     { "f24", offsetof(CPUState, fpr[24]) },
2607     { "f25", offsetof(CPUState, fpr[25]) },
2608     { "f26", offsetof(CPUState, fpr[26]) },
2609     { "f27", offsetof(CPUState, fpr[27]) },
2610     { "f28", offsetof(CPUState, fpr[28]) },
2611     { "f29", offsetof(CPUState, fpr[29]) },
2612     { "f30", offsetof(CPUState, fpr[30]) },
2613     { "f31", offsetof(CPUState, fpr[31]) },
2614     { "fpscr", offsetof(CPUState, fpscr) },
2615     /* Next instruction pointer */
2616     { "nip|pc", offsetof(CPUState, nip) },
2617     { "lr", offsetof(CPUState, lr) },
2618     { "ctr", offsetof(CPUState, ctr) },
2619     { "decr", 0, &monitor_get_decr, },
2620     { "ccr", 0, &monitor_get_ccr, },
2621     /* Machine state register */
2622     { "msr", 0, &monitor_get_msr, },
2623     { "xer", 0, &monitor_get_xer, },
2624     { "tbu", 0, &monitor_get_tbu, },
2625     { "tbl", 0, &monitor_get_tbl, },
2626 #if defined(TARGET_PPC64)
2627     /* Address space register */
2628     { "asr", offsetof(CPUState, asr) },
2629 #endif
2630     /* Segment registers */
2631     { "sdr1", offsetof(CPUState, sdr1) },
2632     { "sr0", offsetof(CPUState, sr[0]) },
2633     { "sr1", offsetof(CPUState, sr[1]) },
2634     { "sr2", offsetof(CPUState, sr[2]) },
2635     { "sr3", offsetof(CPUState, sr[3]) },
2636     { "sr4", offsetof(CPUState, sr[4]) },
2637     { "sr5", offsetof(CPUState, sr[5]) },
2638     { "sr6", offsetof(CPUState, sr[6]) },
2639     { "sr7", offsetof(CPUState, sr[7]) },
2640     { "sr8", offsetof(CPUState, sr[8]) },
2641     { "sr9", offsetof(CPUState, sr[9]) },
2642     { "sr10", offsetof(CPUState, sr[10]) },
2643     { "sr11", offsetof(CPUState, sr[11]) },
2644     { "sr12", offsetof(CPUState, sr[12]) },
2645     { "sr13", offsetof(CPUState, sr[13]) },
2646     { "sr14", offsetof(CPUState, sr[14]) },
2647     { "sr15", offsetof(CPUState, sr[15]) },
2648     /* Too lazy to put BATs and SPRs ... */
2649 #elif defined(TARGET_SPARC)
2650     { "g0", offsetof(CPUState, gregs[0]) },
2651     { "g1", offsetof(CPUState, gregs[1]) },
2652     { "g2", offsetof(CPUState, gregs[2]) },
2653     { "g3", offsetof(CPUState, gregs[3]) },
2654     { "g4", offsetof(CPUState, gregs[4]) },
2655     { "g5", offsetof(CPUState, gregs[5]) },
2656     { "g6", offsetof(CPUState, gregs[6]) },
2657     { "g7", offsetof(CPUState, gregs[7]) },
2658     { "o0", 0, monitor_get_reg },
2659     { "o1", 1, monitor_get_reg },
2660     { "o2", 2, monitor_get_reg },
2661     { "o3", 3, monitor_get_reg },
2662     { "o4", 4, monitor_get_reg },
2663     { "o5", 5, monitor_get_reg },
2664     { "o6", 6, monitor_get_reg },
2665     { "o7", 7, monitor_get_reg },
2666     { "l0", 8, monitor_get_reg },
2667     { "l1", 9, monitor_get_reg },
2668     { "l2", 10, monitor_get_reg },
2669     { "l3", 11, monitor_get_reg },
2670     { "l4", 12, monitor_get_reg },
2671     { "l5", 13, monitor_get_reg },
2672     { "l6", 14, monitor_get_reg },
2673     { "l7", 15, monitor_get_reg },
2674     { "i0", 16, monitor_get_reg },
2675     { "i1", 17, monitor_get_reg },
2676     { "i2", 18, monitor_get_reg },
2677     { "i3", 19, monitor_get_reg },
2678     { "i4", 20, monitor_get_reg },
2679     { "i5", 21, monitor_get_reg },
2680     { "i6", 22, monitor_get_reg },
2681     { "i7", 23, monitor_get_reg },
2682     { "pc", offsetof(CPUState, pc) },
2683     { "npc", offsetof(CPUState, npc) },
2684     { "y", offsetof(CPUState, y) },
2685 #ifndef TARGET_SPARC64
2686     { "psr", 0, &monitor_get_psr, },
2687     { "wim", offsetof(CPUState, wim) },
2688 #endif
2689     { "tbr", offsetof(CPUState, tbr) },
2690     { "fsr", offsetof(CPUState, fsr) },
2691     { "f0", offsetof(CPUState, fpr[0]) },
2692     { "f1", offsetof(CPUState, fpr[1]) },
2693     { "f2", offsetof(CPUState, fpr[2]) },
2694     { "f3", offsetof(CPUState, fpr[3]) },
2695     { "f4", offsetof(CPUState, fpr[4]) },
2696     { "f5", offsetof(CPUState, fpr[5]) },
2697     { "f6", offsetof(CPUState, fpr[6]) },
2698     { "f7", offsetof(CPUState, fpr[7]) },
2699     { "f8", offsetof(CPUState, fpr[8]) },
2700     { "f9", offsetof(CPUState, fpr[9]) },
2701     { "f10", offsetof(CPUState, fpr[10]) },
2702     { "f11", offsetof(CPUState, fpr[11]) },
2703     { "f12", offsetof(CPUState, fpr[12]) },
2704     { "f13", offsetof(CPUState, fpr[13]) },
2705     { "f14", offsetof(CPUState, fpr[14]) },
2706     { "f15", offsetof(CPUState, fpr[15]) },
2707     { "f16", offsetof(CPUState, fpr[16]) },
2708     { "f17", offsetof(CPUState, fpr[17]) },
2709     { "f18", offsetof(CPUState, fpr[18]) },
2710     { "f19", offsetof(CPUState, fpr[19]) },
2711     { "f20", offsetof(CPUState, fpr[20]) },
2712     { "f21", offsetof(CPUState, fpr[21]) },
2713     { "f22", offsetof(CPUState, fpr[22]) },
2714     { "f23", offsetof(CPUState, fpr[23]) },
2715     { "f24", offsetof(CPUState, fpr[24]) },
2716     { "f25", offsetof(CPUState, fpr[25]) },
2717     { "f26", offsetof(CPUState, fpr[26]) },
2718     { "f27", offsetof(CPUState, fpr[27]) },
2719     { "f28", offsetof(CPUState, fpr[28]) },
2720     { "f29", offsetof(CPUState, fpr[29]) },
2721     { "f30", offsetof(CPUState, fpr[30]) },
2722     { "f31", offsetof(CPUState, fpr[31]) },
2723 #ifdef TARGET_SPARC64
2724     { "f32", offsetof(CPUState, fpr[32]) },
2725     { "f34", offsetof(CPUState, fpr[34]) },
2726     { "f36", offsetof(CPUState, fpr[36]) },
2727     { "f38", offsetof(CPUState, fpr[38]) },
2728     { "f40", offsetof(CPUState, fpr[40]) },
2729     { "f42", offsetof(CPUState, fpr[42]) },
2730     { "f44", offsetof(CPUState, fpr[44]) },
2731     { "f46", offsetof(CPUState, fpr[46]) },
2732     { "f48", offsetof(CPUState, fpr[48]) },
2733     { "f50", offsetof(CPUState, fpr[50]) },
2734     { "f52", offsetof(CPUState, fpr[52]) },
2735     { "f54", offsetof(CPUState, fpr[54]) },
2736     { "f56", offsetof(CPUState, fpr[56]) },
2737     { "f58", offsetof(CPUState, fpr[58]) },
2738     { "f60", offsetof(CPUState, fpr[60]) },
2739     { "f62", offsetof(CPUState, fpr[62]) },
2740     { "asi", offsetof(CPUState, asi) },
2741     { "pstate", offsetof(CPUState, pstate) },
2742     { "cansave", offsetof(CPUState, cansave) },
2743     { "canrestore", offsetof(CPUState, canrestore) },
2744     { "otherwin", offsetof(CPUState, otherwin) },
2745     { "wstate", offsetof(CPUState, wstate) },
2746     { "cleanwin", offsetof(CPUState, cleanwin) },
2747     { "fprs", offsetof(CPUState, fprs) },
2748 #endif
2749 #endif
2750     { NULL },
2751 };
2752
2753 static void expr_error(Monitor *mon, const char *msg)
2754 {
2755     monitor_printf(mon, "%s\n", msg);
2756     longjmp(expr_env, 1);
2757 }
2758
2759 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2760 static int get_monitor_def(target_long *pval, const char *name)
2761 {
2762     const MonitorDef *md;
2763     void *ptr;
2764
2765     for(md = monitor_defs; md->name != NULL; md++) {
2766         if (compare_cmd(name, md->name)) {
2767             if (md->get_value) {
2768                 *pval = md->get_value(md, md->offset);
2769             } else {
2770                 CPUState *env = mon_get_cpu();
2771                 if (!env)
2772                     return -2;
2773                 ptr = (uint8_t *)env + md->offset;
2774                 switch(md->type) {
2775                 case MD_I32:
2776                     *pval = *(int32_t *)ptr;
2777                     break;
2778                 case MD_TLONG:
2779                     *pval = *(target_long *)ptr;
2780                     break;
2781                 default:
2782                     *pval = 0;
2783                     break;
2784                 }
2785             }
2786             return 0;
2787         }
2788     }
2789     return -1;
2790 }
2791
2792 static void next(void)
2793 {
2794     if (*pch != '\0') {
2795         pch++;
2796         while (qemu_isspace(*pch))
2797             pch++;
2798     }
2799 }
2800
2801 static int64_t expr_sum(Monitor *mon);
2802
2803 static int64_t expr_unary(Monitor *mon)
2804 {
2805     int64_t n;
2806     char *p;
2807     int ret;
2808
2809     switch(*pch) {
2810     case '+':
2811         next();
2812         n = expr_unary(mon);
2813         break;
2814     case '-':
2815         next();
2816         n = -expr_unary(mon);
2817         break;
2818     case '~':
2819         next();
2820         n = ~expr_unary(mon);
2821         break;
2822     case '(':
2823         next();
2824         n = expr_sum(mon);
2825         if (*pch != ')') {
2826             expr_error(mon, "')' expected");
2827         }
2828         next();
2829         break;
2830     case '\'':
2831         pch++;
2832         if (*pch == '\0')
2833             expr_error(mon, "character constant expected");
2834         n = *pch;
2835         pch++;
2836         if (*pch != '\'')
2837             expr_error(mon, "missing terminating \' character");
2838         next();
2839         break;
2840     case '$':
2841         {
2842             char buf[128], *q;
2843             target_long reg=0;
2844
2845             pch++;
2846             q = buf;
2847             while ((*pch >= 'a' && *pch <= 'z') ||
2848                    (*pch >= 'A' && *pch <= 'Z') ||
2849                    (*pch >= '0' && *pch <= '9') ||
2850                    *pch == '_' || *pch == '.') {
2851                 if ((q - buf) < sizeof(buf) - 1)
2852                     *q++ = *pch;
2853                 pch++;
2854             }
2855             while (qemu_isspace(*pch))
2856                 pch++;
2857             *q = 0;
2858             ret = get_monitor_def(&reg, buf);
2859             if (ret == -1)
2860                 expr_error(mon, "unknown register");
2861             else if (ret == -2)
2862                 expr_error(mon, "no cpu defined");
2863             n = reg;
2864         }
2865         break;
2866     case '\0':
2867         expr_error(mon, "unexpected end of expression");
2868         n = 0;
2869         break;
2870     default:
2871 #if TARGET_PHYS_ADDR_BITS > 32
2872         n = strtoull(pch, &p, 0);
2873 #else
2874         n = strtoul(pch, &p, 0);
2875 #endif
2876         if (pch == p) {
2877             expr_error(mon, "invalid char in expression");
2878         }
2879         pch = p;
2880         while (qemu_isspace(*pch))
2881             pch++;
2882         break;
2883     }
2884     return n;
2885 }
2886
2887
2888 static int64_t expr_prod(Monitor *mon)
2889 {
2890     int64_t val, val2;
2891     int op;
2892
2893     val = expr_unary(mon);
2894     for(;;) {
2895         op = *pch;
2896         if (op != '*' && op != '/' && op != '%')
2897             break;
2898         next();
2899         val2 = expr_unary(mon);
2900         switch(op) {
2901         default:
2902         case '*':
2903             val *= val2;
2904             break;
2905         case '/':
2906         case '%':
2907             if (val2 == 0)
2908                 expr_error(mon, "division by zero");
2909             if (op == '/')
2910                 val /= val2;
2911             else
2912                 val %= val2;
2913             break;
2914         }
2915     }
2916     return val;
2917 }
2918
2919 static int64_t expr_logic(Monitor *mon)
2920 {
2921     int64_t val, val2;
2922     int op;
2923
2924     val = expr_prod(mon);
2925     for(;;) {
2926         op = *pch;
2927         if (op != '&' && op != '|' && op != '^')
2928             break;
2929         next();
2930         val2 = expr_prod(mon);
2931         switch(op) {
2932         default:
2933         case '&':
2934             val &= val2;
2935             break;
2936         case '|':
2937             val |= val2;
2938             break;
2939         case '^':
2940             val ^= val2;
2941             break;
2942         }
2943     }
2944     return val;
2945 }
2946
2947 static int64_t expr_sum(Monitor *mon)
2948 {
2949     int64_t val, val2;
2950     int op;
2951
2952     val = expr_logic(mon);
2953     for(;;) {
2954         op = *pch;
2955         if (op != '+' && op != '-')
2956             break;
2957         next();
2958         val2 = expr_logic(mon);
2959         if (op == '+')
2960             val += val2;
2961         else
2962             val -= val2;
2963     }
2964     return val;
2965 }
2966
2967 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2968 {
2969     pch = *pp;
2970     if (setjmp(expr_env)) {
2971         *pp = pch;
2972         return -1;
2973     }
2974     while (qemu_isspace(*pch))
2975         pch++;
2976     *pval = expr_sum(mon);
2977     *pp = pch;
2978     return 0;
2979 }
2980
2981 static int get_str(char *buf, int buf_size, const char **pp)
2982 {
2983     const char *p;
2984     char *q;
2985     int c;
2986
2987     q = buf;
2988     p = *pp;
2989     while (qemu_isspace(*p))
2990         p++;
2991     if (*p == '\0') {
2992     fail:
2993         *q = '\0';
2994         *pp = p;
2995         return -1;
2996     }
2997     if (*p == '\"') {
2998         p++;
2999         while (*p != '\0' && *p != '\"') {
3000             if (*p == '\\') {
3001                 p++;
3002                 c = *p++;
3003                 switch(c) {
3004                 case 'n':
3005                     c = '\n';
3006                     break;
3007                 case 'r':
3008                     c = '\r';
3009                     break;
3010                 case '\\':
3011                 case '\'':
3012                 case '\"':
3013                     break;
3014                 default:
3015                     qemu_printf("unsupported escape code: '\\%c'\n", c);
3016                     goto fail;
3017                 }
3018                 if ((q - buf) < buf_size - 1) {
3019                     *q++ = c;
3020                 }
3021             } else {
3022                 if ((q - buf) < buf_size - 1) {
3023                     *q++ = *p;
3024                 }
3025                 p++;
3026             }
3027         }
3028         if (*p != '\"') {
3029             qemu_printf("unterminated string\n");
3030             goto fail;
3031         }
3032         p++;
3033     } else {
3034         while (*p != '\0' && !qemu_isspace(*p)) {
3035             if ((q - buf) < buf_size - 1) {
3036                 *q++ = *p;
3037             }
3038             p++;
3039         }
3040     }
3041     *q = '\0';
3042     *pp = p;
3043     return 0;
3044 }
3045
3046 /*
3047  * Store the command-name in cmdname, and return a pointer to
3048  * the remaining of the command string.
3049  */
3050 static const char *get_command_name(const char *cmdline,
3051                                     char *cmdname, size_t nlen)
3052 {
3053     size_t len;
3054     const char *p, *pstart;
3055
3056     p = cmdline;
3057     while (qemu_isspace(*p))
3058         p++;
3059     if (*p == '\0')
3060         return NULL;
3061     pstart = p;
3062     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3063         p++;
3064     len = p - pstart;
3065     if (len > nlen - 1)
3066         len = nlen - 1;
3067     memcpy(cmdname, pstart, len);
3068     cmdname[len] = '\0';
3069     return p;
3070 }
3071
3072 /**
3073  * Read key of 'type' into 'key' and return the current
3074  * 'type' pointer.
3075  */
3076 static char *key_get_info(const char *type, char **key)
3077 {
3078     size_t len;
3079     char *p, *str;
3080
3081     if (*type == ',')
3082         type++;
3083
3084     p = strchr(type, ':');
3085     if (!p) {
3086         *key = NULL;
3087         return NULL;
3088     }
3089     len = p - type;
3090
3091     str = qemu_malloc(len + 1);
3092     memcpy(str, type, len);
3093     str[len] = '\0';
3094
3095     *key = str;
3096     return ++p;
3097 }
3098
3099 static int default_fmt_format = 'x';
3100 static int default_fmt_size = 4;
3101
3102 #define MAX_ARGS 16
3103
3104 static int is_valid_option(const char *c, const char *typestr)
3105 {
3106     char option[3];
3107
3108     option[0] = '-';
3109     option[1] = *c;
3110     option[2] = '\0';
3111
3112     typestr = strstr(typestr, option);
3113     return (typestr != NULL);
3114 }
3115
3116 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3117 {
3118     const mon_cmd_t *cmd;
3119
3120     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3121         if (compare_cmd(cmdname, cmd->name)) {
3122             return cmd;
3123         }
3124     }
3125
3126     return NULL;
3127 }
3128
3129 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3130                                               const char *cmdline,
3131                                               QDict *qdict)
3132 {
3133     const char *p, *typestr;
3134     int c;
3135     const mon_cmd_t *cmd;
3136     char cmdname[256];
3137     char buf[1024];
3138     char *key;
3139
3140 #ifdef DEBUG
3141     monitor_printf(mon, "command='%s'\n", cmdline);
3142 #endif
3143
3144     /* extract the command name */
3145     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3146     if (!p)
3147         return NULL;
3148
3149     cmd = monitor_find_command(cmdname);
3150     if (!cmd) {
3151         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3152         return NULL;
3153     }
3154
3155     /* parse the parameters */
3156     typestr = cmd->args_type;
3157     for(;;) {
3158         typestr = key_get_info(typestr, &key);
3159         if (!typestr)
3160             break;
3161         c = *typestr;
3162         typestr++;
3163         switch(c) {
3164         case 'F':
3165         case 'B':
3166         case 's':
3167             {
3168                 int ret;
3169
3170                 while (qemu_isspace(*p))
3171                     p++;
3172                 if (*typestr == '?') {
3173                     typestr++;
3174                     if (*p == '\0') {
3175                         /* no optional string: NULL argument */
3176                         break;
3177                     }
3178                 }
3179                 ret = get_str(buf, sizeof(buf), &p);
3180                 if (ret < 0) {
3181                     switch(c) {
3182                     case 'F':
3183                         monitor_printf(mon, "%s: filename expected\n",
3184                                        cmdname);
3185                         break;
3186                     case 'B':
3187                         monitor_printf(mon, "%s: block device name expected\n",
3188                                        cmdname);
3189                         break;
3190                     default:
3191                         monitor_printf(mon, "%s: string expected\n", cmdname);
3192                         break;
3193                     }
3194                     goto fail;
3195                 }
3196                 qdict_put(qdict, key, qstring_from_str(buf));
3197             }
3198             break;
3199         case '/':
3200             {
3201                 int count, format, size;
3202
3203                 while (qemu_isspace(*p))
3204                     p++;
3205                 if (*p == '/') {
3206                     /* format found */
3207                     p++;
3208                     count = 1;
3209                     if (qemu_isdigit(*p)) {
3210                         count = 0;
3211                         while (qemu_isdigit(*p)) {
3212                             count = count * 10 + (*p - '0');
3213                             p++;
3214                         }
3215                     }
3216                     size = -1;
3217                     format = -1;
3218                     for(;;) {
3219                         switch(*p) {
3220                         case 'o':
3221                         case 'd':
3222                         case 'u':
3223                         case 'x':
3224                         case 'i':
3225                         case 'c':
3226                             format = *p++;
3227                             break;
3228                         case 'b':
3229                             size = 1;
3230                             p++;
3231                             break;
3232                         case 'h':
3233                             size = 2;
3234                             p++;
3235                             break;
3236                         case 'w':
3237                             size = 4;
3238                             p++;
3239                             break;
3240                         case 'g':
3241                         case 'L':
3242                             size = 8;
3243                             p++;
3244                             break;
3245                         default:
3246                             goto next;
3247                         }
3248                     }
3249                 next:
3250                     if (*p != '\0' && !qemu_isspace(*p)) {
3251                         monitor_printf(mon, "invalid char in format: '%c'\n",
3252                                        *p);
3253                         goto fail;
3254                     }
3255                     if (format < 0)
3256                         format = default_fmt_format;
3257                     if (format != 'i') {
3258                         /* for 'i', not specifying a size gives -1 as size */
3259                         if (size < 0)
3260                             size = default_fmt_size;
3261                         default_fmt_size = size;
3262                     }
3263                     default_fmt_format = format;
3264                 } else {
3265                     count = 1;
3266                     format = default_fmt_format;
3267                     if (format != 'i') {
3268                         size = default_fmt_size;
3269                     } else {
3270                         size = -1;
3271                     }
3272                 }
3273                 qdict_put(qdict, "count", qint_from_int(count));
3274                 qdict_put(qdict, "format", qint_from_int(format));
3275                 qdict_put(qdict, "size", qint_from_int(size));
3276             }
3277             break;
3278         case 'i':
3279         case 'l':
3280             {
3281                 int64_t val;
3282
3283                 while (qemu_isspace(*p))
3284                     p++;
3285                 if (*typestr == '?' || *typestr == '.') {
3286                     if (*typestr == '?') {
3287                         if (*p == '\0') {
3288                             typestr++;
3289                             break;
3290                         }
3291                     } else {
3292                         if (*p == '.') {
3293                             p++;
3294                             while (qemu_isspace(*p))
3295                                 p++;
3296                         } else {
3297                             typestr++;
3298                             break;
3299                         }
3300                     }
3301                     typestr++;
3302                 }
3303                 if (get_expr(mon, &val, &p))
3304                     goto fail;
3305                 /* Check if 'i' is greater than 32-bit */
3306                 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3307                     monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3308                     monitor_printf(mon, "integer is for 32-bit values\n");
3309                     goto fail;
3310                 }
3311                 qdict_put(qdict, key, qint_from_int(val));
3312             }
3313             break;
3314         case '-':
3315             {
3316                 const char *tmp = p;
3317                 int has_option, skip_key = 0;
3318                 /* option */
3319
3320                 c = *typestr++;
3321                 if (c == '\0')
3322                     goto bad_type;
3323                 while (qemu_isspace(*p))
3324                     p++;
3325                 has_option = 0;
3326                 if (*p == '-') {
3327                     p++;
3328                     if(c != *p) {
3329                         if(!is_valid_option(p, typestr)) {
3330
3331                             monitor_printf(mon, "%s: unsupported option -%c\n",
3332                                            cmdname, *p);
3333                             goto fail;
3334                         } else {
3335                             skip_key = 1;
3336                         }
3337                     }
3338                     if(skip_key) {
3339                         p = tmp;
3340                     } else {
3341                         p++;
3342                         has_option = 1;
3343                     }
3344                 }
3345                 qdict_put(qdict, key, qint_from_int(has_option));
3346             }
3347             break;
3348         default:
3349         bad_type:
3350             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3351             goto fail;
3352         }
3353         qemu_free(key);
3354         key = NULL;
3355     }
3356     /* check that all arguments were parsed */
3357     while (qemu_isspace(*p))
3358         p++;
3359     if (*p != '\0') {
3360         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3361                        cmdname);
3362         goto fail;
3363     }
3364
3365     return cmd;
3366
3367 fail:
3368     qemu_free(key);
3369     return NULL;
3370 }
3371
3372 static void monitor_print_error(Monitor *mon)
3373 {
3374     qerror_print(mon->error);
3375     QDECREF(mon->error);
3376     mon->error = NULL;
3377 }
3378
3379 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3380                                  const QDict *params)
3381 {
3382     QObject *data = NULL;
3383
3384     cmd->mhandler.cmd_new(mon, params, &data);
3385
3386     if (monitor_ctrl_mode(mon)) {
3387         /* Monitor Protocol */
3388         monitor_protocol_emitter(mon, data);
3389     } else {
3390         /* User Protocol */
3391          if (data)
3392             cmd->user_print(mon, data);
3393     }
3394
3395     qobject_decref(data);
3396 }
3397
3398 static void handle_user_command(Monitor *mon, const char *cmdline)
3399 {
3400     QDict *qdict;
3401     const mon_cmd_t *cmd;
3402
3403     qdict = qdict_new();
3404
3405     cmd = monitor_parse_command(mon, cmdline, qdict);
3406     if (!cmd)
3407         goto out;
3408
3409     qemu_errors_to_mon(mon);
3410
3411     if (monitor_handler_ported(cmd)) {
3412         monitor_call_handler(mon, cmd, qdict);
3413     } else {
3414         cmd->mhandler.cmd(mon, qdict);
3415     }
3416
3417     if (monitor_has_error(mon))
3418         monitor_print_error(mon);
3419
3420     qemu_errors_to_previous();
3421
3422 out:
3423     QDECREF(qdict);
3424 }
3425
3426 static void cmd_completion(const char *name, const char *list)
3427 {
3428     const char *p, *pstart;
3429     char cmd[128];
3430     int len;
3431
3432     p = list;
3433     for(;;) {
3434         pstart = p;
3435         p = strchr(p, '|');
3436         if (!p)
3437             p = pstart + strlen(pstart);
3438         len = p - pstart;
3439         if (len > sizeof(cmd) - 2)
3440             len = sizeof(cmd) - 2;
3441         memcpy(cmd, pstart, len);
3442         cmd[len] = '\0';
3443         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3444             readline_add_completion(cur_mon->rs, cmd);
3445         }
3446         if (*p == '\0')
3447             break;
3448         p++;
3449     }
3450 }
3451
3452 static void file_completion(const char *input)
3453 {
3454     DIR *ffs;
3455     struct dirent *d;
3456     char path[1024];
3457     char file[1024], file_prefix[1024];
3458     int input_path_len;
3459     const char *p;
3460
3461     p = strrchr(input, '/');
3462     if (!p) {
3463         input_path_len = 0;
3464         pstrcpy(file_prefix, sizeof(file_prefix), input);
3465         pstrcpy(path, sizeof(path), ".");
3466     } else {
3467         input_path_len = p - input + 1;
3468         memcpy(path, input, input_path_len);
3469         if (input_path_len > sizeof(path) - 1)
3470             input_path_len = sizeof(path) - 1;
3471         path[input_path_len] = '\0';
3472         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3473     }
3474 #ifdef DEBUG_COMPLETION
3475     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3476                    input, path, file_prefix);
3477 #endif
3478     ffs = opendir(path);
3479     if (!ffs)
3480         return;
3481     for(;;) {
3482         struct stat sb;
3483         d = readdir(ffs);
3484         if (!d)
3485             break;
3486         if (strstart(d->d_name, file_prefix, NULL)) {
3487             memcpy(file, input, input_path_len);
3488             if (input_path_len < sizeof(file))
3489                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3490                         d->d_name);
3491             /* stat the file to find out if it's a directory.
3492              * In that case add a slash to speed up typing long paths
3493              */
3494             stat(file, &sb);
3495             if(S_ISDIR(sb.st_mode))
3496                 pstrcat(file, sizeof(file), "/");
3497             readline_add_completion(cur_mon->rs, file);
3498         }
3499     }
3500     closedir(ffs);
3501 }
3502
3503 static void block_completion_it(void *opaque, BlockDriverState *bs)
3504 {
3505     const char *name = bdrv_get_device_name(bs);
3506     const char *input = opaque;
3507
3508     if (input[0] == '\0' ||
3509         !strncmp(name, (char *)input, strlen(input))) {
3510         readline_add_completion(cur_mon->rs, name);
3511     }
3512 }
3513
3514 /* NOTE: this parser is an approximate form of the real command parser */
3515 static void parse_cmdline(const char *cmdline,
3516                          int *pnb_args, char **args)
3517 {
3518     const char *p;
3519     int nb_args, ret;
3520     char buf[1024];
3521
3522     p = cmdline;
3523     nb_args = 0;
3524     for(;;) {
3525         while (qemu_isspace(*p))
3526             p++;
3527         if (*p == '\0')
3528             break;
3529         if (nb_args >= MAX_ARGS)
3530             break;
3531         ret = get_str(buf, sizeof(buf), &p);
3532         args[nb_args] = qemu_strdup(buf);
3533         nb_args++;
3534         if (ret < 0)
3535             break;
3536     }
3537     *pnb_args = nb_args;
3538 }
3539
3540 static const char *next_arg_type(const char *typestr)
3541 {
3542     const char *p = strchr(typestr, ':');
3543     return (p != NULL ? ++p : typestr);
3544 }
3545
3546 static void monitor_find_completion(const char *cmdline)
3547 {
3548     const char *cmdname;
3549     char *args[MAX_ARGS];
3550     int nb_args, i, len;
3551     const char *ptype, *str;
3552     const mon_cmd_t *cmd;
3553     const KeyDef *key;
3554
3555     parse_cmdline(cmdline, &nb_args, args);
3556 #ifdef DEBUG_COMPLETION
3557     for(i = 0; i < nb_args; i++) {
3558         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3559     }
3560 #endif
3561
3562     /* if the line ends with a space, it means we want to complete the
3563        next arg */
3564     len = strlen(cmdline);
3565     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3566         if (nb_args >= MAX_ARGS)
3567             return;
3568         args[nb_args++] = qemu_strdup("");
3569     }
3570     if (nb_args <= 1) {
3571         /* command completion */
3572         if (nb_args == 0)
3573             cmdname = "";
3574         else
3575             cmdname = args[0];
3576         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3577         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3578             cmd_completion(cmdname, cmd->name);
3579         }
3580     } else {
3581         /* find the command */
3582         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3583             if (compare_cmd(args[0], cmd->name))
3584                 goto found;
3585         }
3586         return;
3587     found:
3588         ptype = next_arg_type(cmd->args_type);
3589         for(i = 0; i < nb_args - 2; i++) {
3590             if (*ptype != '\0') {
3591                 ptype = next_arg_type(ptype);
3592                 while (*ptype == '?')
3593                     ptype = next_arg_type(ptype);
3594             }
3595         }
3596         str = args[nb_args - 1];
3597         if (*ptype == '-' && ptype[1] != '\0') {
3598             ptype += 2;
3599         }
3600         switch(*ptype) {
3601         case 'F':
3602             /* file completion */
3603             readline_set_completion_index(cur_mon->rs, strlen(str));
3604             file_completion(str);
3605             break;
3606         case 'B':
3607             /* block device name completion */
3608             readline_set_completion_index(cur_mon->rs, strlen(str));
3609             bdrv_iterate(block_completion_it, (void *)str);
3610             break;
3611         case 's':
3612             /* XXX: more generic ? */
3613             if (!strcmp(cmd->name, "info")) {
3614                 readline_set_completion_index(cur_mon->rs, strlen(str));
3615                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3616                     cmd_completion(str, cmd->name);
3617                 }
3618             } else if (!strcmp(cmd->name, "sendkey")) {
3619                 char *sep = strrchr(str, '-');
3620                 if (sep)
3621                     str = sep + 1;
3622                 readline_set_completion_index(cur_mon->rs, strlen(str));
3623                 for(key = key_defs; key->name != NULL; key++) {
3624                     cmd_completion(str, key->name);
3625                 }
3626             } else if (!strcmp(cmd->name, "help|?")) {
3627                 readline_set_completion_index(cur_mon->rs, strlen(str));
3628                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3629                     cmd_completion(str, cmd->name);
3630                 }
3631             }
3632             break;
3633         default:
3634             break;
3635         }
3636     }
3637     for(i = 0; i < nb_args; i++)
3638         qemu_free(args[i]);
3639 }
3640
3641 static int monitor_can_read(void *opaque)
3642 {
3643     Monitor *mon = opaque;
3644
3645     return (mon->suspend_cnt == 0) ? 128 : 0;
3646 }
3647
3648 typedef struct CmdArgs {
3649     QString *name;
3650     int type;
3651     int flag;
3652     int optional;
3653 } CmdArgs;
3654
3655 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3656 {
3657     if (!cmd_args->optional) {
3658         qemu_error_new(QERR_MISSING_PARAMETER, name);
3659         return -1;
3660     }
3661
3662     if (cmd_args->type == '-') {
3663         /* handlers expect a value, they need to be changed */
3664         qdict_put(args, name, qint_from_int(0));
3665     }
3666
3667     return 0;
3668 }
3669
3670 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3671 {
3672     QObject *value;
3673     const char *name;
3674
3675     name = qstring_get_str(cmd_args->name);
3676
3677     if (!args) {
3678         return check_opt(cmd_args, name, args);
3679     }
3680
3681     value = qdict_get(args, name);
3682     if (!value) {
3683         return check_opt(cmd_args, name, args);
3684     }
3685
3686     switch (cmd_args->type) {
3687         case 'F':
3688         case 'B':
3689         case 's':
3690             if (qobject_type(value) != QTYPE_QSTRING) {
3691                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3692                 return -1;
3693             }
3694             break;
3695         case '/': {
3696             int i;
3697             const char *keys[] = { "count", "format", "size", NULL };
3698
3699             for (i = 0; keys[i]; i++) {
3700                 QObject *obj = qdict_get(args, keys[i]);
3701                 if (!obj) {
3702                     qemu_error_new(QERR_MISSING_PARAMETER, name);
3703                     return -1;
3704                 }
3705                 if (qobject_type(obj) != QTYPE_QINT) {
3706                     qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3707                     return -1;
3708                 }
3709             }
3710             break;
3711         }
3712         case 'i':
3713         case 'l':
3714             if (qobject_type(value) != QTYPE_QINT) {
3715                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3716                 return -1;
3717             }
3718             break;
3719         case '-':
3720             if (qobject_type(value) != QTYPE_QINT &&
3721                 qobject_type(value) != QTYPE_QBOOL) {
3722                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3723                 return -1;
3724             }
3725             if (qobject_type(value) == QTYPE_QBOOL) {
3726                 /* handlers expect a QInt, they need to be changed */
3727                 qdict_put(args, name,
3728                          qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3729             }
3730             break;
3731         default:
3732             /* impossible */
3733             abort();
3734     }
3735
3736     return 0;
3737 }
3738
3739 static void cmd_args_init(CmdArgs *cmd_args)
3740 {
3741     cmd_args->name = qstring_new();
3742     cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3743 }
3744
3745 /*
3746  * This is not trivial, we have to parse Monitor command's argument
3747  * type syntax to be able to check the arguments provided by clients.
3748  *
3749  * In the near future we will be using an array for that and will be
3750  * able to drop all this parsing...
3751  */
3752 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3753 {
3754     int err;
3755     const char *p;
3756     CmdArgs cmd_args;
3757
3758     if (cmd->args_type == '\0') {
3759         return (qdict_size(args) == 0 ? 0 : -1);
3760     }
3761
3762     err = 0;
3763     cmd_args_init(&cmd_args);
3764
3765     for (p = cmd->args_type;; p++) {
3766         if (*p == ':') {
3767             cmd_args.type = *++p;
3768             p++;
3769             if (cmd_args.type == '-') {
3770                 cmd_args.flag = *p++;
3771                 cmd_args.optional = 1;
3772             } else if (*p == '?') {
3773                 cmd_args.optional = 1;
3774                 p++;
3775             }
3776
3777             assert(*p == ',' || *p == '\0');
3778             err = check_arg(&cmd_args, args);
3779
3780             QDECREF(cmd_args.name);
3781             cmd_args_init(&cmd_args);
3782
3783             if (err < 0) {
3784                 break;
3785             }
3786         } else {
3787             qstring_append_chr(cmd_args.name, *p);
3788         }
3789
3790         if (*p == '\0') {
3791             break;
3792         }
3793     }
3794
3795     QDECREF(cmd_args.name);
3796     return err;
3797 }
3798
3799 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3800 {
3801     int err;
3802     QObject *obj;
3803     QDict *input, *args;
3804     const mon_cmd_t *cmd;
3805     Monitor *mon = cur_mon;
3806     const char *cmd_name, *info_item;
3807
3808     args = NULL;
3809     qemu_errors_to_mon(mon);
3810
3811     obj = json_parser_parse(tokens, NULL);
3812     if (!obj) {
3813         // FIXME: should be triggered in json_parser_parse()
3814         qemu_error_new(QERR_JSON_PARSING);
3815         goto err_out;
3816     } else if (qobject_type(obj) != QTYPE_QDICT) {
3817         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3818         qobject_decref(obj);
3819         goto err_out;
3820     }
3821
3822     input = qobject_to_qdict(obj);
3823
3824     mon->mc->id = qdict_get(input, "id");
3825     qobject_incref(mon->mc->id);
3826
3827     obj = qdict_get(input, "execute");
3828     if (!obj) {
3829         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3830         goto err_input;
3831     } else if (qobject_type(obj) != QTYPE_QSTRING) {
3832         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3833         goto err_input;
3834     }
3835
3836     cmd_name = qstring_get_str(qobject_to_qstring(obj));
3837
3838     /*
3839      * XXX: We need this special case until we get info handlers
3840      * converted into 'query-' commands
3841      */
3842     if (compare_cmd(cmd_name, "info")) {
3843         qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3844         goto err_input;
3845     } else if (strstart(cmd_name, "query-", &info_item)) {
3846         cmd = monitor_find_command("info");
3847         qdict_put_obj(input, "arguments",
3848                       qobject_from_jsonf("{ 'item': %s }", info_item));
3849     } else {
3850         cmd = monitor_find_command(cmd_name);
3851         if (!cmd) {
3852             qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3853             goto err_input;
3854         }
3855     }
3856
3857     obj = qdict_get(input, "arguments");
3858     if (!obj) {
3859         args = qdict_new();
3860     } else {
3861         args = qobject_to_qdict(obj);
3862         QINCREF(args);
3863     }
3864
3865     QDECREF(input);
3866
3867     err = monitor_check_qmp_args(cmd, args);
3868     if (err < 0) {
3869         goto err_out;
3870     }
3871
3872     monitor_call_handler(mon, cmd, args);
3873     goto out;
3874
3875 err_input:
3876     QDECREF(input);
3877 err_out:
3878     monitor_protocol_emitter(mon, NULL);
3879 out:
3880     QDECREF(args);
3881     qemu_errors_to_previous();
3882 }
3883
3884 /**
3885  * monitor_control_read(): Read and handle QMP input
3886  */
3887 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3888 {
3889     Monitor *old_mon = cur_mon;
3890
3891     cur_mon = opaque;
3892
3893     json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3894
3895     cur_mon = old_mon;
3896 }
3897
3898 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3899 {
3900     Monitor *old_mon = cur_mon;
3901     int i;
3902
3903     cur_mon = opaque;
3904
3905     if (cur_mon->rs) {
3906         for (i = 0; i < size; i++)
3907             readline_handle_byte(cur_mon->rs, buf[i]);
3908     } else {
3909         if (size == 0 || buf[size - 1] != 0)
3910             monitor_printf(cur_mon, "corrupted command\n");
3911         else
3912             handle_user_command(cur_mon, (char *)buf);
3913     }
3914
3915     cur_mon = old_mon;
3916 }
3917
3918 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3919 {
3920     monitor_suspend(mon);
3921     handle_user_command(mon, cmdline);
3922     monitor_resume(mon);
3923 }
3924
3925 int monitor_suspend(Monitor *mon)
3926 {
3927     if (!mon->rs)
3928         return -ENOTTY;
3929     mon->suspend_cnt++;
3930     return 0;
3931 }
3932
3933 void monitor_resume(Monitor *mon)
3934 {
3935     if (!mon->rs)
3936         return;
3937     if (--mon->suspend_cnt == 0)
3938         readline_show_prompt(mon->rs);
3939 }
3940
3941 /**
3942  * monitor_control_event(): Print QMP gretting
3943  */
3944 static void monitor_control_event(void *opaque, int event)
3945 {
3946     if (event == CHR_EVENT_OPENED) {
3947         QObject *data;
3948         Monitor *mon = opaque;
3949
3950         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3951
3952         data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3953         assert(data != NULL);
3954
3955         monitor_json_emitter(mon, data);
3956         qobject_decref(data);
3957     }
3958 }
3959
3960 static void monitor_event(void *opaque, int event)
3961 {
3962     Monitor *mon = opaque;
3963
3964     switch (event) {
3965     case CHR_EVENT_MUX_IN:
3966         mon->mux_out = 0;
3967         if (mon->reset_seen) {
3968             readline_restart(mon->rs);
3969             monitor_resume(mon);
3970             monitor_flush(mon);
3971         } else {
3972             mon->suspend_cnt = 0;
3973         }
3974         break;
3975
3976     case CHR_EVENT_MUX_OUT:
3977         if (mon->reset_seen) {
3978             if (mon->suspend_cnt == 0) {
3979                 monitor_printf(mon, "\n");
3980             }
3981             monitor_flush(mon);
3982             monitor_suspend(mon);
3983         } else {
3984             mon->suspend_cnt++;
3985         }
3986         mon->mux_out = 1;
3987         break;
3988
3989     case CHR_EVENT_OPENED:
3990         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3991                        "information\n", QEMU_VERSION);
3992         if (!mon->mux_out) {
3993             readline_show_prompt(mon->rs);
3994         }
3995         mon->reset_seen = 1;
3996         break;
3997     }
3998 }
3999
4000
4001 /*
4002  * Local variables:
4003  *  c-indent-level: 4
4004  *  c-basic-offset: 4
4005  *  tab-width: 8
4006  * End:
4007  */
4008
4009 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4010 {
4011     const char *dev;
4012
4013     if (strstart(cmdline, "control,", &dev)) {
4014         if (strstart(dev, "vc", NULL)) {
4015             fprintf(stderr, "qemu: control mode is for low-level interaction ");
4016             fprintf(stderr, "cannot be used with device 'vc'\n");
4017             exit(1);
4018         }
4019         *flags &= ~MONITOR_USE_READLINE;
4020         *flags |= MONITOR_USE_CONTROL;
4021         return dev;
4022     }
4023
4024     return cmdline;
4025 }
4026
4027 void monitor_init(CharDriverState *chr, int flags)
4028 {
4029     static int is_first_init = 1;
4030     Monitor *mon;
4031
4032     if (is_first_init) {
4033         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4034         is_first_init = 0;
4035     }
4036
4037     mon = qemu_mallocz(sizeof(*mon));
4038
4039     mon->chr = chr;
4040     mon->flags = flags;
4041     if (flags & MONITOR_USE_READLINE) {
4042         mon->rs = readline_init(mon, monitor_find_completion);
4043         monitor_read_command(mon, 0);
4044     }
4045
4046     if (monitor_ctrl_mode(mon)) {
4047         mon->mc = qemu_mallocz(sizeof(MonitorControl));
4048         /* Control mode requires special handlers */
4049         qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4050                               monitor_control_event, mon);
4051     } else {
4052         qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4053                               monitor_event, mon);
4054     }
4055
4056     QLIST_INSERT_HEAD(&mon_list, mon, entry);
4057     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4058         cur_mon = mon;
4059 }
4060
4061 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4062 {
4063     BlockDriverState *bs = opaque;
4064     int ret = 0;
4065
4066     if (bdrv_set_key(bs, password) != 0) {
4067         monitor_printf(mon, "invalid password\n");
4068         ret = -EPERM;
4069     }
4070     if (mon->password_completion_cb)
4071         mon->password_completion_cb(mon->password_opaque, ret);
4072
4073     monitor_read_command(mon, 1);
4074 }
4075
4076 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4077                                  BlockDriverCompletionFunc *completion_cb,
4078                                  void *opaque)
4079 {
4080     int err;
4081
4082     if (!bdrv_key_required(bs)) {
4083         if (completion_cb)
4084             completion_cb(opaque, 0);
4085         return;
4086     }
4087
4088     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4089                    bdrv_get_encrypted_filename(bs));
4090
4091     mon->password_completion_cb = completion_cb;
4092     mon->password_opaque = opaque;
4093
4094     err = monitor_read_password(mon, bdrv_password_cb, bs);
4095
4096     if (err && completion_cb)
4097         completion_cb(opaque, err);
4098 }
4099
4100 typedef struct QemuErrorSink QemuErrorSink;
4101 struct QemuErrorSink {
4102     enum {
4103         ERR_SINK_FILE,
4104         ERR_SINK_MONITOR,
4105     } dest;
4106     union {
4107         FILE    *fp;
4108         Monitor *mon;
4109     };
4110     QemuErrorSink *previous;
4111 };
4112
4113 static QemuErrorSink *qemu_error_sink;
4114
4115 void qemu_errors_to_file(FILE *fp)
4116 {
4117     QemuErrorSink *sink;
4118
4119     sink = qemu_mallocz(sizeof(*sink));
4120     sink->dest = ERR_SINK_FILE;
4121     sink->fp = fp;
4122     sink->previous = qemu_error_sink;
4123     qemu_error_sink = sink;
4124 }
4125
4126 void qemu_errors_to_mon(Monitor *mon)
4127 {
4128     QemuErrorSink *sink;
4129
4130     sink = qemu_mallocz(sizeof(*sink));
4131     sink->dest = ERR_SINK_MONITOR;
4132     sink->mon = mon;
4133     sink->previous = qemu_error_sink;
4134     qemu_error_sink = sink;
4135 }
4136
4137 void qemu_errors_to_previous(void)
4138 {
4139     QemuErrorSink *sink;
4140
4141     assert(qemu_error_sink != NULL);
4142     sink = qemu_error_sink;
4143     qemu_error_sink = sink->previous;
4144     qemu_free(sink);
4145 }
4146
4147 void qemu_error(const char *fmt, ...)
4148 {
4149     va_list args;
4150
4151     assert(qemu_error_sink != NULL);
4152     switch (qemu_error_sink->dest) {
4153     case ERR_SINK_FILE:
4154         va_start(args, fmt);
4155         vfprintf(qemu_error_sink->fp, fmt, args);
4156         va_end(args);
4157         break;
4158     case ERR_SINK_MONITOR:
4159         va_start(args, fmt);
4160         monitor_vprintf(qemu_error_sink->mon, fmt, args);
4161         va_end(args);
4162         break;
4163     }
4164 }
4165
4166 void qemu_error_internal(const char *file, int linenr, const char *func,
4167                          const char *fmt, ...)
4168 {
4169     va_list va;
4170     QError *qerror;
4171
4172     assert(qemu_error_sink != NULL);
4173
4174     va_start(va, fmt);
4175     qerror = qerror_from_info(file, linenr, func, fmt, &va);
4176     va_end(va);
4177
4178     switch (qemu_error_sink->dest) {
4179     case ERR_SINK_FILE:
4180         qerror_print(qerror);
4181         QDECREF(qerror);
4182         break;
4183     case ERR_SINK_MONITOR:
4184         assert(qemu_error_sink->mon->error == NULL);
4185         qemu_error_sink->mon->error = qerror;
4186         break;
4187     }
4188 }