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 "net/slirp.h"
  36 #include "qemu-char.h"
  37 #include "sysemu.h"
  38 #include "monitor.h"
  39 #include "readline.h"
  40 #include "console.h"
  41 #include "block.h"
  42 #include "audio/audio.h"
  43 #include "disas.h"
  44 #include "balloon.h"
  45 #include "qemu-timer.h"
  46 #include "migration.h"
  47 #include "kvm.h"
  48 #include "acl.h"
  49 #include "qint.h"
  50 #include "qlist.h"
  51 #include "qdict.h"
  52 #include "qbool.h"
  53 #include "qstring.h"
  54 #include "qerror.h"
  55 #include "qjson.h"
  56 #include "json-streamer.h"
  57 #include "json-parser.h"
  58 #include "osdep.h"
  59
  60 //#define DEBUG
  61 //#define DEBUG_COMPLETION
  62
  63 /*
  64  * Supported types:
  65  *
  66  * 'F'          filename
  67  * 'B'          block device name
  68  * 's'          string (accept optional quote)
  69  * 'i'          32 bit integer
  70  * 'l'          target long (32 or 64 bit)
  71  * '/'          optional gdb-like print format (like "/10x")
  72  *
  73  * '?'          optional type (for all types, except '/')
  74  * '.'          other form of optional type (for 'i' and 'l')
  75  * '-'          optional parameter (eg. '-f')
  76  *
  77  */
  78
  79 typedef struct mon_cmd_t {
  80     const char *name;
  81     const char *args_type;
  82     const char *params;
  83     const char *help;
  84     void (*user_print)(Monitor *mon, const QObject *data);
  85     union {
  86         void (*info)(Monitor *mon);
  87         void (*info_new)(Monitor *mon, QObject **ret_data);
  88         void (*cmd)(Monitor *mon, const QDict *qdict);
  89         void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
  90     } mhandler;
  91 } mon_cmd_t;
  92
  93 /* file descriptors passed via SCM_RIGHTS */
  94 typedef struct mon_fd_t mon_fd_t;
  95 struct mon_fd_t {
  96     char *name;
  97     int fd;
  98     QLIST_ENTRY(mon_fd_t) next;
  99 };
 100
 101 typedef struct MonitorControl {
 102     QObject *id;
 103     int print_enabled;
 104     JSONMessageParser parser;
 105 } MonitorControl;
 106
 107 struct Monitor {
 108     CharDriverState *chr;
 109     int mux_out;
 110     int reset_seen;
 111     int flags;
 112     int suspend_cnt;
 113     uint8_t outbuf[1024];
 114     int outbuf_index;
 115     ReadLineState *rs;
 116     MonitorControl *mc;
 117     CPUState *mon_cpu;
 118     BlockDriverCompletionFunc *password_completion_cb;
 119     void *password_opaque;
 120     QError *error;
 121     QLIST_HEAD(,mon_fd_t) fds;
 122     QLIST_ENTRY(Monitor) entry;
 123 };
 124
 125 static QLIST_HEAD(mon_list, Monitor) mon_list;
 126
 127 static const mon_cmd_t mon_cmds[];
 128 static const mon_cmd_t info_cmds[];
 129
 130 Monitor *cur_mon = NULL;
 131
 132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
 133                                void *opaque);
 134
 135 /* Return true if in control mode, false otherwise */
 136 static inline int monitor_ctrl_mode(const Monitor *mon)
 137 {
 138     return (mon->flags & MONITOR_USE_CONTROL);
 139 }
 140
 141 static void monitor_read_command(Monitor *mon, int show_prompt)
 142 {
 143     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
 144     if (show_prompt)
 145         readline_show_prompt(mon->rs);
 146 }
 147
 148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 149                                  void *opaque)
 150 {
 151     if (mon->rs) {
 152         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 153         /* prompt is printed on return from the command handler */
 154         return 0;
 155     } else {
 156         monitor_printf(mon, "terminal does not support password prompting\n");
 157         return -ENOTTY;
 158     }
 159 }
 160
 161 void monitor_flush(Monitor *mon)
 162 {
 163     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
 164         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 165         mon->outbuf_index = 0;
 166     }
 167 }
 168
 169 /* flush at every end of line or if the buffer is full */
 170 static void monitor_puts(Monitor *mon, const char *str)
 171 {
 172     char c;
 173
 174     if (!mon)
 175         return;
 176
 177     for(;;) {
 178         c = *str++;
 179         if (c == '\0')
 180             break;
 181         if (c == '\n')
 182             mon->outbuf[mon->outbuf_index++] = '\r';
 183         mon->outbuf[mon->outbuf_index++] = c;
 184         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 185             || c == '\n')
 186             monitor_flush(mon);
 187     }
 188 }
 189
 190 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 191 {
 192     if (mon->mc && !mon->mc->print_enabled) {
 193         qemu_error_new(QERR_UNDEFINED_ERROR);
 194     } else {
 195         char buf[4096];
 196         vsnprintf(buf, sizeof(buf), fmt, ap);
 197         monitor_puts(mon, buf);
 198     }
 199 }
 200
 201 void monitor_printf(Monitor *mon, const char *fmt, ...)
 202 {
 203     va_list ap;
 204     va_start(ap, fmt);
 205     monitor_vprintf(mon, fmt, ap);
 206     va_end(ap);
 207 }
 208
 209 void monitor_print_filename(Monitor *mon, const char *filename)
 210 {
 211     int i;
 212
 213     for (i = 0; filename[i]; i++) {
 214         switch (filename[i]) {
 215         case ' ':
 216         case '"':
 217         case '\\':
 218             monitor_printf(mon, "\\%c", filename[i]);
 219             break;
 220         case '\t':
 221             monitor_printf(mon, "\\t");
 222             break;
 223         case '\r':
 224             monitor_printf(mon, "\\r");
 225             break;
 226         case '\n':
 227             monitor_printf(mon, "\\n");
 228             break;
 229         default:
 230             monitor_printf(mon, "%c", filename[i]);
 231             break;
 232         }
 233     }
 234 }
 235
 236 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 237 {
 238     va_list ap;
 239     va_start(ap, fmt);
 240     monitor_vprintf((Monitor *)stream, fmt, ap);
 241     va_end(ap);
 242     return 0;
 243 }
 244
 245 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
 246
 247 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
 248 {
 249     return cmd->user_print != NULL;
 250 }
 251
 252 static inline int monitor_has_error(const Monitor *mon)
 253 {
 254     return mon->error != NULL;
 255 }
 256
 257 static void monitor_print_qobject(Monitor *mon, const QObject *data)
 258 {
 259     switch (qobject_type(data)) {
 260         case QTYPE_QSTRING:
 261             monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
 262             break;
 263         case QTYPE_QINT:
 264             monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
 265             break;
 266         default:
 267             monitor_printf(mon, "ERROR: unsupported type: %d",
 268                                                         qobject_type(data));
 269             break;
 270     }
 271
 272     monitor_puts(mon, "\n");
 273 }
 274
 275 static void monitor_json_emitter(Monitor *mon, const QObject *data)
 276 {
 277     QString *json;
 278
 279     json = qobject_to_json(data);
 280     assert(json != NULL);
 281
 282     mon->mc->print_enabled = 1;
 283     monitor_printf(mon, "%s\n", qstring_get_str(json));
 284     mon->mc->print_enabled = 0;
 285
 286     QDECREF(json);
 287 }
 288
 289 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
 290 {
 291     QDict *qmp;
 292
 293     qmp = qdict_new();
 294
 295     if (!monitor_has_error(mon)) {
 296         /* success response */
 297         if (data) {
 298             qobject_incref(data);
 299             qdict_put_obj(qmp, "return", data);
 300         } else {
 301             qdict_put(qmp, "return", qstring_from_str("OK"));
 302         }
 303     } else {
 304         /* error response */
 305         qdict_put(qmp, "error", mon->error->error);
 306         QINCREF(mon->error->error);
 307         QDECREF(mon->error);
 308         mon->error = NULL;
 309     }
 310
 311     if (mon->mc->id) {
 312         qdict_put_obj(qmp, "id", mon->mc->id);
 313         mon->mc->id = NULL;
 314     }
 315
 316     monitor_json_emitter(mon, QOBJECT(qmp));
 317     QDECREF(qmp);
 318 }
 319
 320 static void timestamp_put(QDict *qdict)
 321 {
 322     int err;
 323     QObject *obj;
 324     qemu_timeval tv;
 325
 326     err = qemu_gettimeofday(&tv);
 327     if (err < 0)
 328         return;
 329
 330     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
 331                                 "'microseconds': %" PRId64 " }",
 332                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
 333     assert(obj != NULL);
 334
 335     qdict_put_obj(qdict, "timestamp", obj);
 336 }
 337
 338 /**
 339  * monitor_protocol_event(): Generate a Monitor event
 340  *
 341  * Event-specific data can be emitted through the (optional) 'data' parameter.
 342  */
 343 void monitor_protocol_event(MonitorEvent event, QObject *data)
 344 {
 345     QDict *qmp;
 346     const char *event_name;
 347     Monitor *mon = cur_mon;
 348
 349     assert(event < QEVENT_MAX);
 350
 351     if (!monitor_ctrl_mode(mon))
 352         return;
 353
 354     switch (event) {
 355         case QEVENT_DEBUG:
 356             event_name = "DEBUG";
 357             break;
 358         case QEVENT_SHUTDOWN:
 359             event_name = "SHUTDOWN";
 360             break;
 361         case QEVENT_RESET:
 362             event_name = "RESET";
 363             break;
 364         case QEVENT_POWERDOWN:
 365             event_name = "POWERDOWN";
 366             break;
 367         case QEVENT_STOP:
 368             event_name = "STOP";
 369             break;
 370         default:
 371             abort();
 372             break;
 373     }
 374
 375     qmp = qdict_new();
 376     timestamp_put(qmp);
 377     qdict_put(qmp, "event", qstring_from_str(event_name));
 378     if (data)
 379         qdict_put_obj(qmp, "data", data);
 380
 381     monitor_json_emitter(mon, QOBJECT(qmp));
 382     QDECREF(qmp);
 383 }
 384
 385 static int compare_cmd(const char *name, const char *list)
 386 {
 387     const char *p, *pstart;
 388     int len;
 389     len = strlen(name);
 390     p = list;
 391     for(;;) {
 392         pstart = p;
 393         p = strchr(p, '|');
 394         if (!p)
 395             p = pstart + strlen(pstart);
 396         if ((p - pstart) == len && !memcmp(pstart, name, len))
 397             return 1;
 398         if (*p == '\0')
 399             break;
 400         p++;
 401     }
 402     return 0;
 403 }
 404
 405 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 406                           const char *prefix, const char *name)
 407 {
 408     const mon_cmd_t *cmd;
 409
 410     for(cmd = cmds; cmd->name != NULL; cmd++) {
 411         if (!name || !strcmp(name, cmd->name))
 412             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 413                            cmd->params, cmd->help);
 414     }
 415 }
 416
 417 static void help_cmd(Monitor *mon, const char *name)
 418 {
 419     if (name && !strcmp(name, "info")) {
 420         help_cmd_dump(mon, info_cmds, "info ", NULL);
 421     } else {
 422         help_cmd_dump(mon, mon_cmds, "", name);
 423         if (name && !strcmp(name, "log")) {
 424             const CPULogItem *item;
 425             monitor_printf(mon, "Log items (comma separated):\n");
 426             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 427             for(item = cpu_log_items; item->mask != 0; item++) {
 428                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 429             }
 430         }
 431     }
 432 }
 433
 434 static void do_help_cmd(Monitor *mon, const QDict *qdict)
 435 {
 436     help_cmd(mon, qdict_get_try_str(qdict, "name"));
 437 }
 438
 439 static void do_commit(Monitor *mon, const QDict *qdict)
 440 {
 441     int all_devices;
 442     DriveInfo *dinfo;
 443     const char *device = qdict_get_str(qdict, "device");
 444
 445     all_devices = !strcmp(device, "all");
 446     QTAILQ_FOREACH(dinfo, &drives, next) {
 447         if (!all_devices)
 448             if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
 449                 continue;
 450         bdrv_commit(dinfo->bdrv);
 451     }
 452 }
 453
 454 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
 455 {
 456     const mon_cmd_t *cmd;
 457     const char *item = qdict_get_try_str(qdict, "item");
 458
 459     if (!item) {
 460         assert(monitor_ctrl_mode(mon) == 0);
 461         goto help;
 462     }
 463
 464     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 465         if (compare_cmd(item, cmd->name))
 466             break;
 467     }
 468
 469     if (cmd->name == NULL) {
 470         if (monitor_ctrl_mode(mon)) {
 471             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 472             return;
 473         }
 474         goto help;
 475     }
 476
 477     if (monitor_handler_ported(cmd)) {
 478         cmd->mhandler.info_new(mon, ret_data);
 479
 480         if (!monitor_ctrl_mode(mon)) {
 481             /*
 482              * User Protocol function is called here, Monitor Protocol is
 483              * handled by monitor_call_handler()
 484              */
 485             if (*ret_data)
 486                 cmd->user_print(mon, *ret_data);
 487         }
 488     } else {
 489         if (monitor_ctrl_mode(mon)) {
 490             /* handler not converted yet */
 491             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 492         } else {
 493             cmd->mhandler.info(mon);
 494         }
 495     }
 496
 497     return;
 498
 499 help:
 500     help_cmd(mon, "info");
 501 }
 502
 503 /**
 504  * do_info_version(): Show QEMU version
 505  */
 506 static void do_info_version(Monitor *mon, QObject **ret_data)
 507 {
 508     *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
 509 }
 510
 511 static void do_info_name(Monitor *mon)
 512 {
 513     if (qemu_name)
 514         monitor_printf(mon, "%s\n", qemu_name);
 515 }
 516
 517 /**
 518  * do_info_commands(): List QMP available commands
 519  *
 520  * Return a QList of QStrings.
 521  */
 522 static void do_info_commands(Monitor *mon, QObject **ret_data)
 523 {
 524     QList *cmd_list;
 525     const mon_cmd_t *cmd;
 526
 527     cmd_list = qlist_new();
 528
 529     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
 530         if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
 531             qlist_append(cmd_list, qstring_from_str(cmd->name));
 532         }
 533     }
 534
 535     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 536         if (monitor_handler_ported(cmd)) {
 537             char buf[128];
 538             snprintf(buf, sizeof(buf), "query-%s", cmd->name);
 539             qlist_append(cmd_list, qstring_from_str(buf));
 540         }
 541     }
 542
 543     *ret_data = QOBJECT(cmd_list);
 544 }
 545
 546 #if defined(TARGET_I386)
 547 static void do_info_hpet(Monitor *mon)
 548 {
 549     monitor_printf(mon, "HPET is %s by QEMU\n",
 550                    (no_hpet) ? "disabled" : "enabled");
 551 }
 552 #endif
 553
 554 static void do_info_uuid(Monitor *mon)
 555 {
 556     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 557                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 558                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 559                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 560                    qemu_uuid[14], qemu_uuid[15]);
 561 }
 562
 563 /* get the current CPU defined by the user */
 564 static int mon_set_cpu(int cpu_index)
 565 {
 566     CPUState *env;
 567
 568     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 569         if (env->cpu_index == cpu_index) {
 570             cur_mon->mon_cpu = env;
 571             return 0;
 572         }
 573     }
 574     return -1;
 575 }
 576
 577 static CPUState *mon_get_cpu(void)
 578 {
 579     if (!cur_mon->mon_cpu) {
 580         mon_set_cpu(0);
 581     }
 582     cpu_synchronize_state(cur_mon->mon_cpu);
 583     return cur_mon->mon_cpu;
 584 }
 585
 586 static void do_info_registers(Monitor *mon)
 587 {
 588     CPUState *env;
 589     env = mon_get_cpu();
 590     if (!env)
 591         return;
 592 #ifdef TARGET_I386
 593     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 594                    X86_DUMP_FPU);
 595 #else
 596     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 597                    0);
 598 #endif
 599 }
 600
 601 static void print_cpu_iter(QObject *obj, void *opaque)
 602 {
 603     QDict *cpu;
 604     int active = ' ';
 605     Monitor *mon = opaque;
 606
 607     assert(qobject_type(obj) == QTYPE_QDICT);
 608     cpu = qobject_to_qdict(obj);
 609
 610     if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
 611         active = '*';
 612
 613     monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
 614
 615 #if defined(TARGET_I386)
 616     monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
 617                    (target_ulong) qdict_get_int(cpu, "pc"));
 618 #elif defined(TARGET_PPC)
 619     monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
 620                    (target_long) qdict_get_int(cpu, "nip"));
 621 #elif defined(TARGET_SPARC)
 622     monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
 623                    (target_long) qdict_get_int(cpu, "pc"));
 624     monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
 625                    (target_long) qdict_get_int(cpu, "npc"));
 626 #elif defined(TARGET_MIPS)
 627     monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
 628                    (target_long) qdict_get_int(cpu, "PC"));
 629 #endif
 630
 631     if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
 632         monitor_printf(mon, " (halted)");
 633
 634     monitor_printf(mon, "\n");
 635 }
 636
 637 static void monitor_print_cpus(Monitor *mon, const QObject *data)
 638 {
 639     QList *cpu_list;
 640
 641     assert(qobject_type(data) == QTYPE_QLIST);
 642     cpu_list = qobject_to_qlist(data);
 643     qlist_iter(cpu_list, print_cpu_iter, mon);
 644 }
 645
 646 /**
 647  * do_info_cpus(): Show CPU information
 648  *
 649  * Return a QList with a QDict for each CPU.
 650  *
 651  * For example:
 652  *
 653  * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
 654  *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
 655  */
 656 static void do_info_cpus(Monitor *mon, QObject **ret_data)
 657 {
 658     CPUState *env;
 659     QList *cpu_list;
 660
 661     cpu_list = qlist_new();
 662
 663     /* just to set the default cpu if not already done */
 664     mon_get_cpu();
 665
 666     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 667         const char *answer;
 668         QDict *cpu = qdict_new();
 669
 670         cpu_synchronize_state(env);
 671
 672         qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
 673         answer = (env == mon->mon_cpu) ? "yes" : "no";
 674         qdict_put(cpu, "current", qstring_from_str(answer));
 675
 676 #if defined(TARGET_I386)
 677         qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
 678 #elif defined(TARGET_PPC)
 679         qdict_put(cpu, "nip", qint_from_int(env->nip));
 680 #elif defined(TARGET_SPARC)
 681         qdict_put(cpu, "pc", qint_from_int(env->pc));
 682         qdict_put(cpu, "npc", qint_from_int(env->npc));
 683 #elif defined(TARGET_MIPS)
 684         qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
 685 #endif
 686         answer = env->halted ? "yes" : "no";
 687         qdict_put(cpu, "halted", qstring_from_str(answer));
 688
 689         qlist_append(cpu_list, cpu);
 690     }
 691
 692     *ret_data = QOBJECT(cpu_list);
 693 }
 694
 695 static void do_cpu_set(Monitor *mon, const QDict *qdict)
 696 {
 697     int index = qdict_get_int(qdict, "index");
 698     if (mon_set_cpu(index) < 0)
 699         monitor_printf(mon, "Invalid CPU index\n");
 700 }
 701
 702 static void do_info_jit(Monitor *mon)
 703 {
 704     dump_exec_info((FILE *)mon, monitor_fprintf);
 705 }
 706
 707 static void do_info_history(Monitor *mon)
 708 {
 709     int i;
 710     const char *str;
 711
 712     if (!mon->rs)
 713         return;
 714     i = 0;
 715     for(;;) {
 716         str = readline_get_history(mon->rs, i);
 717         if (!str)
 718             break;
 719         monitor_printf(mon, "%d: '%s'\n", i, str);
 720         i++;
 721     }
 722 }
 723
 724 #if defined(TARGET_PPC)
 725 /* XXX: not implemented in other targets */
 726 static void do_info_cpu_stats(Monitor *mon)
 727 {
 728     CPUState *env;
 729
 730     env = mon_get_cpu();
 731     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 732 }
 733 #endif
 734
 735 /**
 736  * do_quit(): Quit QEMU execution
 737  */
 738 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
 739 {
 740     exit(0);
 741 }
 742
 743 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 744 {
 745     if (bdrv_is_inserted(bs)) {
 746         if (!force) {
 747             if (!bdrv_is_removable(bs)) {
 748                 monitor_printf(mon, "device is not removable\n");
 749                 return -1;
 750             }
 751             if (bdrv_is_locked(bs)) {
 752                 monitor_printf(mon, "device is locked\n");
 753                 return -1;
 754             }
 755         }
 756         bdrv_close(bs);
 757     }
 758     return 0;
 759 }
 760
 761 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
 762 {
 763     BlockDriverState *bs;
 764     int force = qdict_get_int(qdict, "force");
 765     const char *filename = qdict_get_str(qdict, "filename");
 766
 767     bs = bdrv_find(filename);
 768     if (!bs) {
 769         monitor_printf(mon, "device not found\n");
 770         return;
 771     }
 772     eject_device(mon, bs, force);
 773 }
 774
 775 static void do_change_block(Monitor *mon, const char *device,
 776                             const char *filename, const char *fmt)
 777 {
 778     BlockDriverState *bs;
 779     BlockDriver *drv = NULL;
 780
 781     bs = bdrv_find(device);
 782     if (!bs) {
 783         monitor_printf(mon, "device not found\n");
 784         return;
 785     }
 786     if (fmt) {
 787         drv = bdrv_find_whitelisted_format(fmt);
 788         if (!drv) {
 789             monitor_printf(mon, "invalid format %s\n", fmt);
 790             return;
 791         }
 792     }
 793     if (eject_device(mon, bs, 0) < 0)
 794         return;
 795     bdrv_open2(bs, filename, 0, drv);
 796     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 797 }
 798
 799 static void change_vnc_password_cb(Monitor *mon, const char *password,
 800                                    void *opaque)
 801 {
 802     if (vnc_display_password(NULL, password) < 0)
 803         monitor_printf(mon, "could not set VNC server password\n");
 804
 805     monitor_read_command(mon, 1);
 806 }
 807
 808 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 809 {
 810     if (strcmp(target, "passwd") == 0 ||
 811         strcmp(target, "password") == 0) {
 812         if (arg) {
 813             char password[9];
 814             strncpy(password, arg, sizeof(password));
 815             password[sizeof(password) - 1] = '\0';
 816             change_vnc_password_cb(mon, password, NULL);
 817         } else {
 818             monitor_read_password(mon, change_vnc_password_cb, NULL);
 819         }
 820     } else {
 821         if (vnc_display_open(NULL, target) < 0)
 822             monitor_printf(mon, "could not start VNC server on %s\n", target);
 823     }
 824 }
 825
 826 static void do_change(Monitor *mon, const QDict *qdict)
 827 {
 828     const char *device = qdict_get_str(qdict, "device");
 829     const char *target = qdict_get_str(qdict, "target");
 830     const char *arg = qdict_get_try_str(qdict, "arg");
 831     if (strcmp(device, "vnc") == 0) {
 832         do_change_vnc(mon, target, arg);
 833     } else {
 834         do_change_block(mon, device, target, arg);
 835     }
 836 }
 837
 838 static void do_screen_dump(Monitor *mon, const QDict *qdict)
 839 {
 840     vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
 841 }
 842
 843 static void do_logfile(Monitor *mon, const QDict *qdict)
 844 {
 845     cpu_set_log_filename(qdict_get_str(qdict, "filename"));
 846 }
 847
 848 static void do_log(Monitor *mon, const QDict *qdict)
 849 {
 850     int mask;
 851     const char *items = qdict_get_str(qdict, "items");
 852
 853     if (!strcmp(items, "none")) {
 854         mask = 0;
 855     } else {
 856         mask = cpu_str_to_log_mask(items);
 857         if (!mask) {
 858             help_cmd(mon, "log");
 859             return;
 860         }
 861     }
 862     cpu_set_log(mask);
 863 }
 864
 865 static void do_singlestep(Monitor *mon, const QDict *qdict)
 866 {
 867     const char *option = qdict_get_try_str(qdict, "option");
 868     if (!option || !strcmp(option, "on")) {
 869         singlestep = 1;
 870     } else if (!strcmp(option, "off")) {
 871         singlestep = 0;
 872     } else {
 873         monitor_printf(mon, "unexpected option %s\n", option);
 874     }
 875 }
 876
 877 /**
 878  * do_stop(): Stop VM execution
 879  */
 880 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
 881 {
 882     vm_stop(EXCP_INTERRUPT);
 883 }
 884
 885 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 886
 887 struct bdrv_iterate_context {
 888     Monitor *mon;
 889     int err;
 890 };
 891
 892 /**
 893  * do_cont(): Resume emulation.
 894  */
 895 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
 896 {
 897     struct bdrv_iterate_context context = { mon, 0 };
 898
 899     bdrv_iterate(encrypted_bdrv_it, &context);
 900     /* only resume the vm if all keys are set and valid */
 901     if (!context.err)
 902         vm_start();
 903 }
 904
 905 static void bdrv_key_cb(void *opaque, int err)
 906 {
 907     Monitor *mon = opaque;
 908
 909     /* another key was set successfully, retry to continue */
 910     if (!err)
 911         do_cont(mon, NULL, NULL);
 912 }
 913
 914 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 915 {
 916     struct bdrv_iterate_context *context = opaque;
 917
 918     if (!context->err && bdrv_key_required(bs)) {
 919         context->err = -EBUSY;
 920         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 921                                     context->mon);
 922     }
 923 }
 924
 925 static void do_gdbserver(Monitor *mon, const QDict *qdict)
 926 {
 927     const char *device = qdict_get_try_str(qdict, "device");
 928     if (!device)
 929         device = "tcp::" DEFAULT_GDBSTUB_PORT;
 930     if (gdbserver_start(device) < 0) {
 931         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
 932                        device);
 933     } else if (strcmp(device, "none") == 0) {
 934         monitor_printf(mon, "Disabled gdbserver\n");
 935     } else {
 936         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
 937                        device);
 938     }
 939 }
 940
 941 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
 942 {
 943     const char *action = qdict_get_str(qdict, "action");
 944     if (select_watchdog_action(action) == -1) {
 945         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
 946     }
 947 }
 948
 949 static void monitor_printc(Monitor *mon, int c)
 950 {
 951     monitor_printf(mon, "'");
 952     switch(c) {
 953     case '\'':
 954         monitor_printf(mon, "\\'");
 955         break;
 956     case '\\':
 957         monitor_printf(mon, "\\\\");
 958         break;
 959     case '\n':
 960         monitor_printf(mon, "\\n");
 961         break;
 962     case '\r':
 963         monitor_printf(mon, "\\r");
 964         break;
 965     default:
 966         if (c >= 32 && c <= 126) {
 967             monitor_printf(mon, "%c", c);
 968         } else {
 969             monitor_printf(mon, "\\x%02x", c);
 970         }
 971         break;
 972     }
 973     monitor_printf(mon, "'");
 974 }
 975
 976 static void memory_dump(Monitor *mon, int count, int format, int wsize,
 977                         target_phys_addr_t addr, int is_physical)
 978 {
 979     CPUState *env;
 980     int nb_per_line, l, line_size, i, max_digits, len;
 981     uint8_t buf[16];
 982     uint64_t v;
 983
 984     if (format == 'i') {
 985         int flags;
 986         flags = 0;
 987         env = mon_get_cpu();
 988         if (!env && !is_physical)
 989             return;
 990 #ifdef TARGET_I386
 991         if (wsize == 2) {
 992             flags = 1;
 993         } else if (wsize == 4) {
 994             flags = 0;
 995         } else {
 996             /* as default we use the current CS size */
 997             flags = 0;
 998             if (env) {
 999 #ifdef TARGET_X86_64
1000                 if ((env->efer & MSR_EFER_LMA) &&
1001                     (env->segs[R_CS].flags & DESC_L_MASK))
1002                     flags = 2;
1003                 else
1004 #endif
1005                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1006                     flags = 1;
1007             }
1008         }
1009 #endif
1010         monitor_disas(mon, env, addr, count, is_physical, flags);
1011         return;
1012     }
1013
1014     len = wsize * count;
1015     if (wsize == 1)
1016         line_size = 8;
1017     else
1018         line_size = 16;
1019     nb_per_line = line_size / wsize;
1020     max_digits = 0;
1021
1022     switch(format) {
1023     case 'o':
1024         max_digits = (wsize * 8 + 2) / 3;
1025         break;
1026     default:
1027     case 'x':
1028         max_digits = (wsize * 8) / 4;
1029         break;
1030     case 'u':
1031     case 'd':
1032         max_digits = (wsize * 8 * 10 + 32) / 33;
1033         break;
1034     case 'c':
1035         wsize = 1;
1036         break;
1037     }
1038
1039     while (len > 0) {
1040         if (is_physical)
1041             monitor_printf(mon, TARGET_FMT_plx ":", addr);
1042         else
1043             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1044         l = len;
1045         if (l > line_size)
1046             l = line_size;
1047         if (is_physical) {
1048             cpu_physical_memory_rw(addr, buf, l, 0);
1049         } else {
1050             env = mon_get_cpu();
1051             if (!env)
1052                 break;
1053             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1054                 monitor_printf(mon, " Cannot access memory\n");
1055                 break;
1056             }
1057         }
1058         i = 0;
1059         while (i < l) {
1060             switch(wsize) {
1061             default:
1062             case 1:
1063                 v = ldub_raw(buf + i);
1064                 break;
1065             case 2:
1066                 v = lduw_raw(buf + i);
1067                 break;
1068             case 4:
1069                 v = (uint32_t)ldl_raw(buf + i);
1070                 break;
1071             case 8:
1072                 v = ldq_raw(buf + i);
1073                 break;
1074             }
1075             monitor_printf(mon, " ");
1076             switch(format) {
1077             case 'o':
1078                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1079                 break;
1080             case 'x':
1081                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1082                 break;
1083             case 'u':
1084                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1085                 break;
1086             case 'd':
1087                 monitor_printf(mon, "%*" PRId64, max_digits, v);
1088                 break;
1089             case 'c':
1090                 monitor_printc(mon, v);
1091                 break;
1092             }
1093             i += wsize;
1094         }
1095         monitor_printf(mon, "\n");
1096         addr += l;
1097         len -= l;
1098     }
1099 }
1100
1101 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1102 {
1103     int count = qdict_get_int(qdict, "count");
1104     int format = qdict_get_int(qdict, "format");
1105     int size = qdict_get_int(qdict, "size");
1106     target_long addr = qdict_get_int(qdict, "addr");
1107
1108     memory_dump(mon, count, format, size, addr, 0);
1109 }
1110
1111 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1112 {
1113     int count = qdict_get_int(qdict, "count");
1114     int format = qdict_get_int(qdict, "format");
1115     int size = qdict_get_int(qdict, "size");
1116     target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1117
1118     memory_dump(mon, count, format, size, addr, 1);
1119 }
1120
1121 static void do_print(Monitor *mon, const QDict *qdict)
1122 {
1123     int format = qdict_get_int(qdict, "format");
1124     target_phys_addr_t val = qdict_get_int(qdict, "val");
1125
1126 #if TARGET_PHYS_ADDR_BITS == 32
1127     switch(format) {
1128     case 'o':
1129         monitor_printf(mon, "%#o", val);
1130         break;
1131     case 'x':
1132         monitor_printf(mon, "%#x", val);
1133         break;
1134     case 'u':
1135         monitor_printf(mon, "%u", val);
1136         break;
1137     default:
1138     case 'd':
1139         monitor_printf(mon, "%d", val);
1140         break;
1141     case 'c':
1142         monitor_printc(mon, val);
1143         break;
1144     }
1145 #else
1146     switch(format) {
1147     case 'o':
1148         monitor_printf(mon, "%#" PRIo64, val);
1149         break;
1150     case 'x':
1151         monitor_printf(mon, "%#" PRIx64, val);
1152         break;
1153     case 'u':
1154         monitor_printf(mon, "%" PRIu64, val);
1155         break;
1156     default:
1157     case 'd':
1158         monitor_printf(mon, "%" PRId64, val);
1159         break;
1160     case 'c':
1161         monitor_printc(mon, val);
1162         break;
1163     }
1164 #endif
1165     monitor_printf(mon, "\n");
1166 }
1167
1168 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1169 {
1170     FILE *f;
1171     uint32_t size = qdict_get_int(qdict, "size");
1172     const char *filename = qdict_get_str(qdict, "filename");
1173     target_long addr = qdict_get_int(qdict, "val");
1174     uint32_t l;
1175     CPUState *env;
1176     uint8_t buf[1024];
1177
1178     env = mon_get_cpu();
1179     if (!env)
1180         return;
1181
1182     f = fopen(filename, "wb");
1183     if (!f) {
1184         monitor_printf(mon, "could not open '%s'\n", filename);
1185         return;
1186     }
1187     while (size != 0) {
1188         l = sizeof(buf);
1189         if (l > size)
1190             l = size;
1191         cpu_memory_rw_debug(env, addr, buf, l, 0);
1192         fwrite(buf, 1, l, f);
1193         addr += l;
1194         size -= l;
1195     }
1196     fclose(f);
1197 }
1198
1199 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1200                                     QObject **ret_data)
1201 {
1202     FILE *f;
1203     uint32_t l;
1204     uint8_t buf[1024];
1205     uint32_t size = qdict_get_int(qdict, "size");
1206     const char *filename = qdict_get_str(qdict, "filename");
1207     target_phys_addr_t addr = qdict_get_int(qdict, "val");
1208
1209     f = fopen(filename, "wb");
1210     if (!f) {
1211         monitor_printf(mon, "could not open '%s'\n", filename);
1212         return;
1213     }
1214     while (size != 0) {
1215         l = sizeof(buf);
1216         if (l > size)
1217             l = size;
1218         cpu_physical_memory_rw(addr, buf, l, 0);
1219         fwrite(buf, 1, l, f);
1220         fflush(f);
1221         addr += l;
1222         size -= l;
1223     }
1224     fclose(f);
1225 }
1226
1227 static void do_sum(Monitor *mon, const QDict *qdict)
1228 {
1229     uint32_t addr;
1230     uint8_t buf[1];
1231     uint16_t sum;
1232     uint32_t start = qdict_get_int(qdict, "start");
1233     uint32_t size = qdict_get_int(qdict, "size");
1234
1235     sum = 0;
1236     for(addr = start; addr < (start + size); addr++) {
1237         cpu_physical_memory_rw(addr, buf, 1, 0);
1238         /* BSD sum algorithm ('sum' Unix command) */
1239         sum = (sum >> 1) | (sum << 15);
1240         sum += buf[0];
1241     }
1242     monitor_printf(mon, "%05d\n", sum);
1243 }
1244
1245 typedef struct {
1246     int keycode;
1247     const char *name;
1248 } KeyDef;
1249
1250 static const KeyDef key_defs[] = {
1251     { 0x2a, "shift" },
1252     { 0x36, "shift_r" },
1253
1254     { 0x38, "alt" },
1255     { 0xb8, "alt_r" },
1256     { 0x64, "altgr" },
1257     { 0xe4, "altgr_r" },
1258     { 0x1d, "ctrl" },
1259     { 0x9d, "ctrl_r" },
1260
1261     { 0xdd, "menu" },
1262
1263     { 0x01, "esc" },
1264
1265     { 0x02, "1" },
1266     { 0x03, "2" },
1267     { 0x04, "3" },
1268     { 0x05, "4" },
1269     { 0x06, "5" },
1270     { 0x07, "6" },
1271     { 0x08, "7" },
1272     { 0x09, "8" },
1273     { 0x0a, "9" },
1274     { 0x0b, "0" },
1275     { 0x0c, "minus" },
1276     { 0x0d, "equal" },
1277     { 0x0e, "backspace" },
1278
1279     { 0x0f, "tab" },
1280     { 0x10, "q" },
1281     { 0x11, "w" },
1282     { 0x12, "e" },
1283     { 0x13, "r" },
1284     { 0x14, "t" },
1285     { 0x15, "y" },
1286     { 0x16, "u" },
1287     { 0x17, "i" },
1288     { 0x18, "o" },
1289     { 0x19, "p" },
1290
1291     { 0x1c, "ret" },
1292
1293     { 0x1e, "a" },
1294     { 0x1f, "s" },
1295     { 0x20, "d" },
1296     { 0x21, "f" },
1297     { 0x22, "g" },
1298     { 0x23, "h" },
1299     { 0x24, "j" },
1300     { 0x25, "k" },
1301     { 0x26, "l" },
1302
1303     { 0x2c, "z" },
1304     { 0x2d, "x" },
1305     { 0x2e, "c" },
1306     { 0x2f, "v" },
1307     { 0x30, "b" },
1308     { 0x31, "n" },
1309     { 0x32, "m" },
1310     { 0x33, "comma" },
1311     { 0x34, "dot" },
1312     { 0x35, "slash" },
1313
1314     { 0x37, "asterisk" },
1315
1316     { 0x39, "spc" },
1317     { 0x3a, "caps_lock" },
1318     { 0x3b, "f1" },
1319     { 0x3c, "f2" },
1320     { 0x3d, "f3" },
1321     { 0x3e, "f4" },
1322     { 0x3f, "f5" },
1323     { 0x40, "f6" },
1324     { 0x41, "f7" },
1325     { 0x42, "f8" },
1326     { 0x43, "f9" },
1327     { 0x44, "f10" },
1328     { 0x45, "num_lock" },
1329     { 0x46, "scroll_lock" },
1330
1331     { 0xb5, "kp_divide" },
1332     { 0x37, "kp_multiply" },
1333     { 0x4a, "kp_subtract" },
1334     { 0x4e, "kp_add" },
1335     { 0x9c, "kp_enter" },
1336     { 0x53, "kp_decimal" },
1337     { 0x54, "sysrq" },
1338
1339     { 0x52, "kp_0" },
1340     { 0x4f, "kp_1" },
1341     { 0x50, "kp_2" },
1342     { 0x51, "kp_3" },
1343     { 0x4b, "kp_4" },
1344     { 0x4c, "kp_5" },
1345     { 0x4d, "kp_6" },
1346     { 0x47, "kp_7" },
1347     { 0x48, "kp_8" },
1348     { 0x49, "kp_9" },
1349
1350     { 0x56, "<" },
1351
1352     { 0x57, "f11" },
1353     { 0x58, "f12" },
1354
1355     { 0xb7, "print" },
1356
1357     { 0xc7, "home" },
1358     { 0xc9, "pgup" },
1359     { 0xd1, "pgdn" },
1360     { 0xcf, "end" },
1361
1362     { 0xcb, "left" },
1363     { 0xc8, "up" },
1364     { 0xd0, "down" },
1365     { 0xcd, "right" },
1366
1367     { 0xd2, "insert" },
1368     { 0xd3, "delete" },
1369 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1370     { 0xf0, "stop" },
1371     { 0xf1, "again" },
1372     { 0xf2, "props" },
1373     { 0xf3, "undo" },
1374     { 0xf4, "front" },
1375     { 0xf5, "copy" },
1376     { 0xf6, "open" },
1377     { 0xf7, "paste" },
1378     { 0xf8, "find" },
1379     { 0xf9, "cut" },
1380     { 0xfa, "lf" },
1381     { 0xfb, "help" },
1382     { 0xfc, "meta_l" },
1383     { 0xfd, "meta_r" },
1384     { 0xfe, "compose" },
1385 #endif
1386     { 0, NULL },
1387 };
1388
1389 static int get_keycode(const char *key)
1390 {
1391     const KeyDef *p;
1392     char *endp;
1393     int ret;
1394
1395     for(p = key_defs; p->name != NULL; p++) {
1396         if (!strcmp(key, p->name))
1397             return p->keycode;
1398     }
1399     if (strstart(key, "0x", NULL)) {
1400         ret = strtoul(key, &endp, 0);
1401         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1402             return ret;
1403     }
1404     return -1;
1405 }
1406
1407 #define MAX_KEYCODES 16
1408 static uint8_t keycodes[MAX_KEYCODES];
1409 static int nb_pending_keycodes;
1410 static QEMUTimer *key_timer;
1411
1412 static void release_keys(void *opaque)
1413 {
1414     int keycode;
1415
1416     while (nb_pending_keycodes > 0) {
1417         nb_pending_keycodes--;
1418         keycode = keycodes[nb_pending_keycodes];
1419         if (keycode & 0x80)
1420             kbd_put_keycode(0xe0);
1421         kbd_put_keycode(keycode | 0x80);
1422     }
1423 }
1424
1425 static void do_sendkey(Monitor *mon, const QDict *qdict)
1426 {
1427     char keyname_buf[16];
1428     char *separator;
1429     int keyname_len, keycode, i;
1430     const char *string = qdict_get_str(qdict, "string");
1431     int has_hold_time = qdict_haskey(qdict, "hold_time");
1432     int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1433
1434     if (nb_pending_keycodes > 0) {
1435         qemu_del_timer(key_timer);
1436         release_keys(NULL);
1437     }
1438     if (!has_hold_time)
1439         hold_time = 100;
1440     i = 0;
1441     while (1) {
1442         separator = strchr(string, '-');
1443         keyname_len = separator ? separator - string : strlen(string);
1444         if (keyname_len > 0) {
1445             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1446             if (keyname_len > sizeof(keyname_buf) - 1) {
1447                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1448                 return;
1449             }
1450             if (i == MAX_KEYCODES) {
1451                 monitor_printf(mon, "too many keys\n");
1452                 return;
1453             }
1454             keyname_buf[keyname_len] = 0;
1455             keycode = get_keycode(keyname_buf);
1456             if (keycode < 0) {
1457                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1458                 return;
1459             }
1460             keycodes[i++] = keycode;
1461         }
1462         if (!separator)
1463             break;
1464         string = separator + 1;
1465     }
1466     nb_pending_keycodes = i;
1467     /* key down events */
1468     for (i = 0; i < nb_pending_keycodes; i++) {
1469         keycode = keycodes[i];
1470         if (keycode & 0x80)
1471             kbd_put_keycode(0xe0);
1472         kbd_put_keycode(keycode & 0x7f);
1473     }
1474     /* delayed key up events */
1475     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1476                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1477 }
1478
1479 static int mouse_button_state;
1480
1481 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1482 {
1483     int dx, dy, dz;
1484     const char *dx_str = qdict_get_str(qdict, "dx_str");
1485     const char *dy_str = qdict_get_str(qdict, "dy_str");
1486     const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1487     dx = strtol(dx_str, NULL, 0);
1488     dy = strtol(dy_str, NULL, 0);
1489     dz = 0;
1490     if (dz_str)
1491         dz = strtol(dz_str, NULL, 0);
1492     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1493 }
1494
1495 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1496 {
1497     int button_state = qdict_get_int(qdict, "button_state");
1498     mouse_button_state = button_state;
1499     kbd_mouse_event(0, 0, 0, mouse_button_state);
1500 }
1501
1502 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1503 {
1504     int size = qdict_get_int(qdict, "size");
1505     int addr = qdict_get_int(qdict, "addr");
1506     int has_index = qdict_haskey(qdict, "index");
1507     uint32_t val;
1508     int suffix;
1509
1510     if (has_index) {
1511         int index = qdict_get_int(qdict, "index");
1512         cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1513         addr++;
1514     }
1515     addr &= 0xffff;
1516
1517     switch(size) {
1518     default:
1519     case 1:
1520         val = cpu_inb(addr);
1521         suffix = 'b';
1522         break;
1523     case 2:
1524         val = cpu_inw(addr);
1525         suffix = 'w';
1526         break;
1527     case 4:
1528         val = cpu_inl(addr);
1529         suffix = 'l';
1530         break;
1531     }
1532     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1533                    suffix, addr, size * 2, val);
1534 }
1535
1536 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1537 {
1538     int size = qdict_get_int(qdict, "size");
1539     int addr = qdict_get_int(qdict, "addr");
1540     int val = qdict_get_int(qdict, "val");
1541
1542     addr &= IOPORTS_MASK;
1543
1544     switch (size) {
1545     default:
1546     case 1:
1547         cpu_outb(addr, val);
1548         break;
1549     case 2:
1550         cpu_outw(addr, val);
1551         break;
1552     case 4:
1553         cpu_outl(addr, val);
1554         break;
1555     }
1556 }
1557
1558 static void do_boot_set(Monitor *mon, const QDict *qdict)
1559 {
1560     int res;
1561     const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1562
1563     res = qemu_boot_set(bootdevice);
1564     if (res == 0) {
1565         monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1566     } else if (res > 0) {
1567         monitor_printf(mon, "setting boot device list failed\n");
1568     } else {
1569         monitor_printf(mon, "no function defined to set boot device list for "
1570                        "this architecture\n");
1571     }
1572 }
1573
1574 /**
1575  * do_system_reset(): Issue a machine reset
1576  */
1577 static void do_system_reset(Monitor *mon, const QDict *qdict,
1578                             QObject **ret_data)
1579 {
1580     qemu_system_reset_request();
1581 }
1582
1583 /**
1584  * do_system_powerdown(): Issue a machine powerdown
1585  */
1586 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1587                                 QObject **ret_data)
1588 {
1589     qemu_system_powerdown_request();
1590 }
1591
1592 #if defined(TARGET_I386)
1593 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1594 {
1595     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1596                    addr,
1597                    pte & mask,
1598                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1599                    pte & PG_PSE_MASK ? 'P' : '-',
1600                    pte & PG_DIRTY_MASK ? 'D' : '-',
1601                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1602                    pte & PG_PCD_MASK ? 'C' : '-',
1603                    pte & PG_PWT_MASK ? 'T' : '-',
1604                    pte & PG_USER_MASK ? 'U' : '-',
1605                    pte & PG_RW_MASK ? 'W' : '-');
1606 }
1607
1608 static void tlb_info(Monitor *mon)
1609 {
1610     CPUState *env;
1611     int l1, l2;
1612     uint32_t pgd, pde, pte;
1613
1614     env = mon_get_cpu();
1615     if (!env)
1616         return;
1617
1618     if (!(env->cr[0] & CR0_PG_MASK)) {
1619         monitor_printf(mon, "PG disabled\n");
1620         return;
1621     }
1622     pgd = env->cr[3] & ~0xfff;
1623     for(l1 = 0; l1 < 1024; l1++) {
1624         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1625         pde = le32_to_cpu(pde);
1626         if (pde & PG_PRESENT_MASK) {
1627             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1628                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1629             } else {
1630                 for(l2 = 0; l2 < 1024; l2++) {
1631                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1632                                              (uint8_t *)&pte, 4);
1633                     pte = le32_to_cpu(pte);
1634                     if (pte & PG_PRESENT_MASK) {
1635                         print_pte(mon, (l1 << 22) + (l2 << 12),
1636                                   pte & ~PG_PSE_MASK,
1637                                   ~0xfff);
1638                     }
1639                 }
1640             }
1641         }
1642     }
1643 }
1644
1645 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1646                       uint32_t end, int prot)
1647 {
1648     int prot1;
1649     prot1 = *plast_prot;
1650     if (prot != prot1) {
1651         if (*pstart != -1) {
1652             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1653                            *pstart, end, end - *pstart,
1654                            prot1 & PG_USER_MASK ? 'u' : '-',
1655                            'r',
1656                            prot1 & PG_RW_MASK ? 'w' : '-');
1657         }
1658         if (prot != 0)
1659             *pstart = end;
1660         else
1661             *pstart = -1;
1662         *plast_prot = prot;
1663     }
1664 }
1665
1666 static void mem_info(Monitor *mon)
1667 {
1668     CPUState *env;
1669     int l1, l2, prot, last_prot;
1670     uint32_t pgd, pde, pte, start, end;
1671
1672     env = mon_get_cpu();
1673     if (!env)
1674         return;
1675
1676     if (!(env->cr[0] & CR0_PG_MASK)) {
1677         monitor_printf(mon, "PG disabled\n");
1678         return;
1679     }
1680     pgd = env->cr[3] & ~0xfff;
1681     last_prot = 0;
1682     start = -1;
1683     for(l1 = 0; l1 < 1024; l1++) {
1684         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1685         pde = le32_to_cpu(pde);
1686         end = l1 << 22;
1687         if (pde & PG_PRESENT_MASK) {
1688             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1689                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1690                 mem_print(mon, &start, &last_prot, end, prot);
1691             } else {
1692                 for(l2 = 0; l2 < 1024; l2++) {
1693                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1694                                              (uint8_t *)&pte, 4);
1695                     pte = le32_to_cpu(pte);
1696                     end = (l1 << 22) + (l2 << 12);
1697                     if (pte & PG_PRESENT_MASK) {
1698                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1699                     } else {
1700                         prot = 0;
1701                     }
1702                     mem_print(mon, &start, &last_prot, end, prot);
1703                 }
1704             }
1705         } else {
1706             prot = 0;
1707             mem_print(mon, &start, &last_prot, end, prot);
1708         }
1709     }
1710 }
1711 #endif
1712
1713 #if defined(TARGET_SH4)
1714
1715 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1716 {
1717     monitor_printf(mon, " tlb%i:\t"
1718                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1719                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1720                    "dirty=%hhu writethrough=%hhu\n",
1721                    idx,
1722                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1723                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1724                    tlb->d, tlb->wt);
1725 }
1726
1727 static void tlb_info(Monitor *mon)
1728 {
1729     CPUState *env = mon_get_cpu();
1730     int i;
1731
1732     monitor_printf (mon, "ITLB:\n");
1733     for (i = 0 ; i < ITLB_SIZE ; i++)
1734         print_tlb (mon, i, &env->itlb[i]);
1735     monitor_printf (mon, "UTLB:\n");
1736     for (i = 0 ; i < UTLB_SIZE ; i++)
1737         print_tlb (mon, i, &env->utlb[i]);
1738 }
1739
1740 #endif
1741
1742 static void do_info_kvm(Monitor *mon)
1743 {
1744 #ifdef CONFIG_KVM
1745     monitor_printf(mon, "kvm support: ");
1746     if (kvm_enabled())
1747         monitor_printf(mon, "enabled\n");
1748     else
1749         monitor_printf(mon, "disabled\n");
1750 #else
1751     monitor_printf(mon, "kvm support: not compiled\n");
1752 #endif
1753 }
1754
1755 static void do_info_numa(Monitor *mon)
1756 {
1757     int i;
1758     CPUState *env;
1759
1760     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1761     for (i = 0; i < nb_numa_nodes; i++) {
1762         monitor_printf(mon, "node %d cpus:", i);
1763         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1764             if (env->numa_node == i) {
1765                 monitor_printf(mon, " %d", env->cpu_index);
1766             }
1767         }
1768         monitor_printf(mon, "\n");
1769         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1770             node_mem[i] >> 20);
1771     }
1772 }
1773
1774 #ifdef CONFIG_PROFILER
1775
1776 int64_t qemu_time;
1777 int64_t dev_time;
1778
1779 static void do_info_profile(Monitor *mon)
1780 {
1781     int64_t total;
1782     total = qemu_time;
1783     if (total == 0)
1784         total = 1;
1785     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1786                    dev_time, dev_time / (double)get_ticks_per_sec());
1787     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1788                    qemu_time, qemu_time / (double)get_ticks_per_sec());
1789     qemu_time = 0;
1790     dev_time = 0;
1791 }
1792 #else
1793 static void do_info_profile(Monitor *mon)
1794 {
1795     monitor_printf(mon, "Internal profiler not compiled\n");
1796 }
1797 #endif
1798
1799 /* Capture support */
1800 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1801
1802 static void do_info_capture(Monitor *mon)
1803 {
1804     int i;
1805     CaptureState *s;
1806
1807     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1808         monitor_printf(mon, "[%d]: ", i);
1809         s->ops.info (s->opaque);
1810     }
1811 }
1812
1813 #ifdef HAS_AUDIO
1814 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1815 {
1816     int i;
1817     int n = qdict_get_int(qdict, "n");
1818     CaptureState *s;
1819
1820     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1821         if (i == n) {
1822             s->ops.destroy (s->opaque);
1823             QLIST_REMOVE (s, entries);
1824             qemu_free (s);
1825             return;
1826         }
1827     }
1828 }
1829
1830 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1831 {
1832     const char *path = qdict_get_str(qdict, "path");
1833     int has_freq = qdict_haskey(qdict, "freq");
1834     int freq = qdict_get_try_int(qdict, "freq", -1);
1835     int has_bits = qdict_haskey(qdict, "bits");
1836     int bits = qdict_get_try_int(qdict, "bits", -1);
1837     int has_channels = qdict_haskey(qdict, "nchannels");
1838     int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1839     CaptureState *s;
1840
1841     s = qemu_mallocz (sizeof (*s));
1842
1843     freq = has_freq ? freq : 44100;
1844     bits = has_bits ? bits : 16;
1845     nchannels = has_channels ? nchannels : 2;
1846
1847     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1848         monitor_printf(mon, "Faied to add wave capture\n");
1849         qemu_free (s);
1850     }
1851     QLIST_INSERT_HEAD (&capture_head, s, entries);
1852 }
1853 #endif
1854
1855 #if defined(TARGET_I386)
1856 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1857 {
1858     CPUState *env;
1859     int cpu_index = qdict_get_int(qdict, "cpu_index");
1860
1861     for (env = first_cpu; env != NULL; env = env->next_cpu)
1862         if (env->cpu_index == cpu_index) {
1863             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1864             break;
1865         }
1866 }
1867 #endif
1868
1869 static void do_info_status(Monitor *mon)
1870 {
1871     if (vm_running) {
1872         if (singlestep) {
1873             monitor_printf(mon, "VM status: running (single step mode)\n");
1874         } else {
1875             monitor_printf(mon, "VM status: running\n");
1876         }
1877     } else
1878        monitor_printf(mon, "VM status: paused\n");
1879 }
1880
1881 /**
1882  * do_balloon(): Request VM to change its memory allocation
1883  */
1884 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1885 {
1886     int value = qdict_get_int(qdict, "value");
1887     ram_addr_t target = value;
1888     qemu_balloon(target << 20);
1889 }
1890
1891 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1892 {
1893     monitor_printf(mon, "balloon: actual=%d\n",
1894                                      (int)qint_get_int(qobject_to_qint(data)));
1895 }
1896
1897 /**
1898  * do_info_balloon(): Balloon information
1899  */
1900 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1901 {
1902     ram_addr_t actual;
1903
1904     actual = qemu_balloon_status();
1905     if (kvm_enabled() && !kvm_has_sync_mmu())
1906         qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1907     else if (actual == 0)
1908         qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1909     else
1910         *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1911 }
1912
1913 static qemu_acl *find_acl(Monitor *mon, const char *name)
1914 {
1915     qemu_acl *acl = qemu_acl_find(name);
1916
1917     if (!acl) {
1918         monitor_printf(mon, "acl: unknown list '%s'\n", name);
1919     }
1920     return acl;
1921 }
1922
1923 static void do_acl_show(Monitor *mon, const QDict *qdict)
1924 {
1925     const char *aclname = qdict_get_str(qdict, "aclname");
1926     qemu_acl *acl = find_acl(mon, aclname);
1927     qemu_acl_entry *entry;
1928     int i = 0;
1929
1930     if (acl) {
1931         monitor_printf(mon, "policy: %s\n",
1932                        acl->defaultDeny ? "deny" : "allow");
1933         QTAILQ_FOREACH(entry, &acl->entries, next) {
1934             i++;
1935             monitor_printf(mon, "%d: %s %s\n", i,
1936                            entry->deny ? "deny" : "allow", entry->match);
1937         }
1938     }
1939 }
1940
1941 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1942 {
1943     const char *aclname = qdict_get_str(qdict, "aclname");
1944     qemu_acl *acl = find_acl(mon, aclname);
1945
1946     if (acl) {
1947         qemu_acl_reset(acl);
1948         monitor_printf(mon, "acl: removed all rules\n");
1949     }
1950 }
1951
1952 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1953 {
1954     const char *aclname = qdict_get_str(qdict, "aclname");
1955     const char *policy = qdict_get_str(qdict, "policy");
1956     qemu_acl *acl = find_acl(mon, aclname);
1957
1958     if (acl) {
1959         if (strcmp(policy, "allow") == 0) {
1960             acl->defaultDeny = 0;
1961             monitor_printf(mon, "acl: policy set to 'allow'\n");
1962         } else if (strcmp(policy, "deny") == 0) {
1963             acl->defaultDeny = 1;
1964             monitor_printf(mon, "acl: policy set to 'deny'\n");
1965         } else {
1966             monitor_printf(mon, "acl: unknown policy '%s', "
1967                            "expected 'deny' or 'allow'\n", policy);
1968         }
1969     }
1970 }
1971
1972 static void do_acl_add(Monitor *mon, const QDict *qdict)
1973 {
1974     const char *aclname = qdict_get_str(qdict, "aclname");
1975     const char *match = qdict_get_str(qdict, "match");
1976     const char *policy = qdict_get_str(qdict, "policy");
1977     int has_index = qdict_haskey(qdict, "index");
1978     int index = qdict_get_try_int(qdict, "index", -1);
1979     qemu_acl *acl = find_acl(mon, aclname);
1980     int deny, ret;
1981
1982     if (acl) {
1983         if (strcmp(policy, "allow") == 0) {
1984             deny = 0;
1985         } else if (strcmp(policy, "deny") == 0) {
1986             deny = 1;
1987         } else {
1988             monitor_printf(mon, "acl: unknown policy '%s', "
1989                            "expected 'deny' or 'allow'\n", policy);
1990             return;
1991         }
1992         if (has_index)
1993             ret = qemu_acl_insert(acl, deny, match, index);
1994         else
1995             ret = qemu_acl_append(acl, deny, match);
1996         if (ret < 0)
1997             monitor_printf(mon, "acl: unable to add acl entry\n");
1998         else
1999             monitor_printf(mon, "acl: added rule at position %d\n", ret);
2000     }
2001 }
2002
2003 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2004 {
2005     const char *aclname = qdict_get_str(qdict, "aclname");
2006     const char *match = qdict_get_str(qdict, "match");
2007     qemu_acl *acl = find_acl(mon, aclname);
2008     int ret;
2009
2010     if (acl) {
2011         ret = qemu_acl_remove(acl, match);
2012         if (ret < 0)
2013             monitor_printf(mon, "acl: no matching acl entry\n");
2014         else
2015             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2016     }
2017 }
2018
2019 #if defined(TARGET_I386)
2020 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2021 {
2022     CPUState *cenv;
2023     int cpu_index = qdict_get_int(qdict, "cpu_index");
2024     int bank = qdict_get_int(qdict, "bank");
2025     uint64_t status = qdict_get_int(qdict, "status");
2026     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2027     uint64_t addr = qdict_get_int(qdict, "addr");
2028     uint64_t misc = qdict_get_int(qdict, "misc");
2029
2030     for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2031         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2032             cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2033             break;
2034         }
2035 }
2036 #endif
2037
2038 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2039 {
2040     const char *fdname = qdict_get_str(qdict, "fdname");
2041     mon_fd_t *monfd;
2042     int fd;
2043
2044     fd = qemu_chr_get_msgfd(mon->chr);
2045     if (fd == -1) {
2046         monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2047         return;
2048     }
2049
2050     if (qemu_isdigit(fdname[0])) {
2051         monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2052         return;
2053     }
2054
2055     fd = dup(fd);
2056     if (fd == -1) {
2057         monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2058                        strerror(errno));
2059         return;
2060     }
2061
2062     QLIST_FOREACH(monfd, &mon->fds, next) {
2063         if (strcmp(monfd->name, fdname) != 0) {
2064             continue;
2065         }
2066
2067         close(monfd->fd);
2068         monfd->fd = fd;
2069         return;
2070     }
2071
2072     monfd = qemu_mallocz(sizeof(mon_fd_t));
2073     monfd->name = qemu_strdup(fdname);
2074     monfd->fd = fd;
2075
2076     QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2077 }
2078
2079 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2080 {
2081     const char *fdname = qdict_get_str(qdict, "fdname");
2082     mon_fd_t *monfd;
2083
2084     QLIST_FOREACH(monfd, &mon->fds, next) {
2085         if (strcmp(monfd->name, fdname) != 0) {
2086             continue;
2087         }
2088
2089         QLIST_REMOVE(monfd, next);
2090         close(monfd->fd);
2091         qemu_free(monfd->name);
2092         qemu_free(monfd);
2093         return;
2094     }
2095
2096     monitor_printf(mon, "Failed to find file descriptor named %s\n",
2097                    fdname);
2098 }
2099
2100 static void do_loadvm(Monitor *mon, const QDict *qdict)
2101 {
2102     int saved_vm_running  = vm_running;
2103     const char *name = qdict_get_str(qdict, "name");
2104
2105     vm_stop(0);
2106
2107     if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2108         vm_start();
2109 }
2110
2111 int monitor_get_fd(Monitor *mon, const char *fdname)
2112 {
2113     mon_fd_t *monfd;
2114
2115     QLIST_FOREACH(monfd, &mon->fds, next) {
2116         int fd;
2117
2118         if (strcmp(monfd->name, fdname) != 0) {
2119             continue;
2120         }
2121
2122         fd = monfd->fd;
2123
2124         /* caller takes ownership of fd */
2125         QLIST_REMOVE(monfd, next);
2126         qemu_free(monfd->name);
2127         qemu_free(monfd);
2128
2129         return fd;
2130     }
2131
2132     return -1;
2133 }
2134
2135 static const mon_cmd_t mon_cmds[] = {
2136 #include "qemu-monitor.h"
2137     { NULL, NULL, },
2138 };
2139
2140 /* Please update qemu-monitor.hx when adding or changing commands */
2141 static const mon_cmd_t info_cmds[] = {
2142     {
2143         .name       = "version",
2144         .args_type  = "",
2145         .params     = "",
2146         .help       = "show the version of QEMU",
2147         .user_print = monitor_print_qobject,
2148         .mhandler.info_new = do_info_version,
2149     },
2150     {
2151         .name       = "commands",
2152         .args_type  = "",
2153         .params     = "",
2154         .help       = "list QMP available commands",
2155         .user_print = monitor_user_noop,
2156         .mhandler.info_new = do_info_commands,
2157     },
2158     {
2159         .name       = "network",
2160         .args_type  = "",
2161         .params     = "",
2162         .help       = "show the network state",
2163         .mhandler.info = do_info_network,
2164     },
2165     {
2166         .name       = "chardev",
2167         .args_type  = "",
2168         .params     = "",
2169         .help       = "show the character devices",
2170         .mhandler.info = qemu_chr_info,
2171     },
2172     {
2173         .name       = "block",
2174         .args_type  = "",
2175         .params     = "",
2176         .help       = "show the block devices",
2177         .mhandler.info = bdrv_info,
2178     },
2179     {
2180         .name       = "blockstats",
2181         .args_type  = "",
2182         .params     = "",
2183         .help       = "show block device statistics",
2184         .mhandler.info = bdrv_info_stats,
2185     },
2186     {
2187         .name       = "registers",
2188         .args_type  = "",
2189         .params     = "",
2190         .help       = "show the cpu registers",
2191         .mhandler.info = do_info_registers,
2192     },
2193     {
2194         .name       = "cpus",
2195         .args_type  = "",
2196         .params     = "",
2197         .help       = "show infos for each CPU",
2198         .user_print = monitor_print_cpus,
2199         .mhandler.info_new = do_info_cpus,
2200     },
2201     {
2202         .name       = "history",
2203         .args_type  = "",
2204         .params     = "",
2205         .help       = "show the command line history",
2206         .mhandler.info = do_info_history,
2207     },
2208     {
2209         .name       = "irq",
2210         .args_type  = "",
2211         .params     = "",
2212         .help       = "show the interrupts statistics (if available)",
2213         .mhandler.info = irq_info,
2214     },
2215     {
2216         .name       = "pic",
2217         .args_type  = "",
2218         .params     = "",
2219         .help       = "show i8259 (PIC) state",
2220         .mhandler.info = pic_info,
2221     },
2222     {
2223         .name       = "pci",
2224         .args_type  = "",
2225         .params     = "",
2226         .help       = "show PCI info",
2227         .mhandler.info = pci_info,
2228     },
2229 #if defined(TARGET_I386) || defined(TARGET_SH4)
2230     {
2231         .name       = "tlb",
2232         .args_type  = "",
2233         .params     = "",
2234         .help       = "show virtual to physical memory mappings",
2235         .mhandler.info = tlb_info,
2236     },
2237 #endif
2238 #if defined(TARGET_I386)
2239     {
2240         .name       = "mem",
2241         .args_type  = "",
2242         .params     = "",
2243         .help       = "show the active virtual memory mappings",
2244         .mhandler.info = mem_info,
2245     },
2246     {
2247         .name       = "hpet",
2248         .args_type  = "",
2249         .params     = "",
2250         .help       = "show state of HPET",
2251         .mhandler.info = do_info_hpet,
2252     },
2253 #endif
2254     {
2255         .name       = "jit",
2256         .args_type  = "",
2257         .params     = "",
2258         .help       = "show dynamic compiler info",
2259         .mhandler.info = do_info_jit,
2260     },
2261     {
2262         .name       = "kvm",
2263         .args_type  = "",
2264         .params     = "",
2265         .help       = "show KVM information",
2266         .mhandler.info = do_info_kvm,
2267     },
2268     {
2269         .name       = "numa",
2270         .args_type  = "",
2271         .params     = "",
2272         .help       = "show NUMA information",
2273         .mhandler.info = do_info_numa,
2274     },
2275     {
2276         .name       = "usb",
2277         .args_type  = "",
2278         .params     = "",
2279         .help       = "show guest USB devices",
2280         .mhandler.info = usb_info,
2281     },
2282     {
2283         .name       = "usbhost",
2284         .args_type  = "",
2285         .params     = "",
2286         .help       = "show host USB devices",
2287         .mhandler.info = usb_host_info,
2288     },
2289     {
2290         .name       = "profile",
2291         .args_type  = "",
2292         .params     = "",
2293         .help       = "show profiling information",
2294         .mhandler.info = do_info_profile,
2295     },
2296     {
2297         .name       = "capture",
2298         .args_type  = "",
2299         .params     = "",
2300         .help       = "show capture information",
2301         .mhandler.info = do_info_capture,
2302     },
2303     {
2304         .name       = "snapshots",
2305         .args_type  = "",
2306         .params     = "",
2307         .help       = "show the currently saved VM snapshots",
2308         .mhandler.info = do_info_snapshots,
2309     },
2310     {
2311         .name       = "status",
2312         .args_type  = "",
2313         .params     = "",
2314         .help       = "show the current VM status (running|paused)",
2315         .mhandler.info = do_info_status,
2316     },
2317     {
2318         .name       = "pcmcia",
2319         .args_type  = "",
2320         .params     = "",
2321         .help       = "show guest PCMCIA status",
2322         .mhandler.info = pcmcia_info,
2323     },
2324     {
2325         .name       = "mice",
2326         .args_type  = "",
2327         .params     = "",
2328         .help       = "show which guest mouse is receiving events",
2329         .mhandler.info = do_info_mice,
2330     },
2331     {
2332         .name       = "vnc",
2333         .args_type  = "",
2334         .params     = "",
2335         .help       = "show the vnc server status",
2336         .mhandler.info = do_info_vnc,
2337     },
2338     {
2339         .name       = "name",
2340         .args_type  = "",
2341         .params     = "",
2342         .help       = "show the current VM name",
2343         .mhandler.info = do_info_name,
2344     },
2345     {
2346         .name       = "uuid",
2347         .args_type  = "",
2348         .params     = "",
2349         .help       = "show the current VM UUID",
2350         .mhandler.info = do_info_uuid,
2351     },
2352 #if defined(TARGET_PPC)
2353     {
2354         .name       = "cpustats",
2355         .args_type  = "",
2356         .params     = "",
2357         .help       = "show CPU statistics",
2358         .mhandler.info = do_info_cpu_stats,
2359     },
2360 #endif
2361 #if defined(CONFIG_SLIRP)
2362     {
2363         .name       = "usernet",
2364         .args_type  = "",
2365         .params     = "",
2366         .help       = "show user network stack connection states",
2367         .mhandler.info = do_info_usernet,
2368     },
2369 #endif
2370     {
2371         .name       = "migrate",
2372         .args_type  = "",
2373         .params     = "",
2374         .help       = "show migration status",
2375         .mhandler.info = do_info_migrate,
2376     },
2377     {
2378         .name       = "balloon",
2379         .args_type  = "",
2380         .params     = "",
2381         .help       = "show balloon information",
2382         .user_print = monitor_print_balloon,
2383         .mhandler.info_new = do_info_balloon,
2384     },
2385     {
2386         .name       = "qtree",
2387         .args_type  = "",
2388         .params     = "",
2389         .help       = "show device tree",
2390         .mhandler.info = do_info_qtree,
2391     },
2392     {
2393         .name       = "qdm",
2394         .args_type  = "",
2395         .params     = "",
2396         .help       = "show qdev device model list",
2397         .mhandler.info = do_info_qdm,
2398     },
2399     {
2400         .name       = "roms",
2401         .args_type  = "",
2402         .params     = "",
2403         .help       = "show roms",
2404         .mhandler.info = do_info_roms,
2405     },
2406     {
2407         .name       = NULL,
2408     },
2409 };
2410
2411 /*******************************************************************/
2412
2413 static const char *pch;
2414 static jmp_buf expr_env;
2415
2416 #define MD_TLONG 0
2417 #define MD_I32   1
2418
2419 typedef struct MonitorDef {
2420     const char *name;
2421     int offset;
2422     target_long (*get_value)(const struct MonitorDef *md, int val);
2423     int type;
2424 } MonitorDef;
2425
2426 #if defined(TARGET_I386)
2427 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2428 {
2429     CPUState *env = mon_get_cpu();
2430     if (!env)
2431         return 0;
2432     return env->eip + env->segs[R_CS].base;
2433 }
2434 #endif
2435
2436 #if defined(TARGET_PPC)
2437 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2438 {
2439     CPUState *env = mon_get_cpu();
2440     unsigned int u;
2441     int i;
2442
2443     if (!env)
2444         return 0;
2445
2446     u = 0;
2447     for (i = 0; i < 8; i++)
2448         u |= env->crf[i] << (32 - (4 * i));
2449
2450     return u;
2451 }
2452
2453 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2454 {
2455     CPUState *env = mon_get_cpu();
2456     if (!env)
2457         return 0;
2458     return env->msr;
2459 }
2460
2461 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2462 {
2463     CPUState *env = mon_get_cpu();
2464     if (!env)
2465         return 0;
2466     return env->xer;
2467 }
2468
2469 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2470 {
2471     CPUState *env = mon_get_cpu();
2472     if (!env)
2473         return 0;
2474     return cpu_ppc_load_decr(env);
2475 }
2476
2477 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2478 {
2479     CPUState *env = mon_get_cpu();
2480     if (!env)
2481         return 0;
2482     return cpu_ppc_load_tbu(env);
2483 }
2484
2485 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2486 {
2487     CPUState *env = mon_get_cpu();
2488     if (!env)
2489         return 0;
2490     return cpu_ppc_load_tbl(env);
2491 }
2492 #endif
2493
2494 #if defined(TARGET_SPARC)
2495 #ifndef TARGET_SPARC64
2496 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2497 {
2498     CPUState *env = mon_get_cpu();
2499     if (!env)
2500         return 0;
2501     return GET_PSR(env);
2502 }
2503 #endif
2504
2505 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2506 {
2507     CPUState *env = mon_get_cpu();
2508     if (!env)
2509         return 0;
2510     return env->regwptr[val];
2511 }
2512 #endif
2513
2514 static const MonitorDef monitor_defs[] = {
2515 #ifdef TARGET_I386
2516
2517 #define SEG(name, seg) \
2518     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2519     { name ".base", offsetof(CPUState, segs[seg].base) },\
2520     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2521
2522     { "eax", offsetof(CPUState, regs[0]) },
2523     { "ecx", offsetof(CPUState, regs[1]) },
2524     { "edx", offsetof(CPUState, regs[2]) },
2525     { "ebx", offsetof(CPUState, regs[3]) },
2526     { "esp|sp", offsetof(CPUState, regs[4]) },
2527     { "ebp|fp", offsetof(CPUState, regs[5]) },
2528     { "esi", offsetof(CPUState, regs[6]) },
2529     { "edi", offsetof(CPUState, regs[7]) },
2530 #ifdef TARGET_X86_64
2531     { "r8", offsetof(CPUState, regs[8]) },
2532     { "r9", offsetof(CPUState, regs[9]) },
2533     { "r10", offsetof(CPUState, regs[10]) },
2534     { "r11", offsetof(CPUState, regs[11]) },
2535     { "r12", offsetof(CPUState, regs[12]) },
2536     { "r13", offsetof(CPUState, regs[13]) },
2537     { "r14", offsetof(CPUState, regs[14]) },
2538     { "r15", offsetof(CPUState, regs[15]) },
2539 #endif
2540     { "eflags", offsetof(CPUState, eflags) },
2541     { "eip", offsetof(CPUState, eip) },
2542     SEG("cs", R_CS)
2543     SEG("ds", R_DS)
2544     SEG("es", R_ES)
2545     SEG("ss", R_SS)
2546     SEG("fs", R_FS)
2547     SEG("gs", R_GS)
2548     { "pc", 0, monitor_get_pc, },
2549 #elif defined(TARGET_PPC)
2550     /* General purpose registers */
2551     { "r0", offsetof(CPUState, gpr[0]) },
2552     { "r1", offsetof(CPUState, gpr[1]) },
2553     { "r2", offsetof(CPUState, gpr[2]) },
2554     { "r3", offsetof(CPUState, gpr[3]) },
2555     { "r4", offsetof(CPUState, gpr[4]) },
2556     { "r5", offsetof(CPUState, gpr[5]) },
2557     { "r6", offsetof(CPUState, gpr[6]) },
2558     { "r7", offsetof(CPUState, gpr[7]) },
2559     { "r8", offsetof(CPUState, gpr[8]) },
2560     { "r9", offsetof(CPUState, gpr[9]) },
2561     { "r10", offsetof(CPUState, gpr[10]) },
2562     { "r11", offsetof(CPUState, gpr[11]) },
2563     { "r12", offsetof(CPUState, gpr[12]) },
2564     { "r13", offsetof(CPUState, gpr[13]) },
2565     { "r14", offsetof(CPUState, gpr[14]) },
2566     { "r15", offsetof(CPUState, gpr[15]) },
2567     { "r16", offsetof(CPUState, gpr[16]) },
2568     { "r17", offsetof(CPUState, gpr[17]) },
2569     { "r18", offsetof(CPUState, gpr[18]) },
2570     { "r19", offsetof(CPUState, gpr[19]) },
2571     { "r20", offsetof(CPUState, gpr[20]) },
2572     { "r21", offsetof(CPUState, gpr[21]) },
2573     { "r22", offsetof(CPUState, gpr[22]) },
2574     { "r23", offsetof(CPUState, gpr[23]) },
2575     { "r24", offsetof(CPUState, gpr[24]) },
2576     { "r25", offsetof(CPUState, gpr[25]) },
2577     { "r26", offsetof(CPUState, gpr[26]) },
2578     { "r27", offsetof(CPUState, gpr[27]) },
2579     { "r28", offsetof(CPUState, gpr[28]) },
2580     { "r29", offsetof(CPUState, gpr[29]) },
2581     { "r30", offsetof(CPUState, gpr[30]) },
2582     { "r31", offsetof(CPUState, gpr[31]) },
2583     /* Floating point registers */
2584     { "f0", offsetof(CPUState, fpr[0]) },
2585     { "f1", offsetof(CPUState, fpr[1]) },
2586     { "f2", offsetof(CPUState, fpr[2]) },
2587     { "f3", offsetof(CPUState, fpr[3]) },
2588     { "f4", offsetof(CPUState, fpr[4]) },
2589     { "f5", offsetof(CPUState, fpr[5]) },
2590     { "f6", offsetof(CPUState, fpr[6]) },
2591     { "f7", offsetof(CPUState, fpr[7]) },
2592     { "f8", offsetof(CPUState, fpr[8]) },
2593     { "f9", offsetof(CPUState, fpr[9]) },
2594     { "f10", offsetof(CPUState, fpr[10]) },
2595     { "f11", offsetof(CPUState, fpr[11]) },
2596     { "f12", offsetof(CPUState, fpr[12]) },
2597     { "f13", offsetof(CPUState, fpr[13]) },
2598     { "f14", offsetof(CPUState, fpr[14]) },
2599     { "f15", offsetof(CPUState, fpr[15]) },
2600     { "f16", offsetof(CPUState, fpr[16]) },
2601     { "f17", offsetof(CPUState, fpr[17]) },
2602     { "f18", offsetof(CPUState, fpr[18]) },
2603     { "f19", offsetof(CPUState, fpr[19]) },
2604     { "f20", offsetof(CPUState, fpr[20]) },
2605     { "f21", offsetof(CPUState, fpr[21]) },
2606     { "f22", offsetof(CPUState, fpr[22]) },
2607     { "f23", offsetof(CPUState, fpr[23]) },
2608     { "f24", offsetof(CPUState, fpr[24]) },
2609     { "f25", offsetof(CPUState, fpr[25]) },
2610     { "f26", offsetof(CPUState, fpr[26]) },
2611     { "f27", offsetof(CPUState, fpr[27]) },
2612     { "f28", offsetof(CPUState, fpr[28]) },
2613     { "f29", offsetof(CPUState, fpr[29]) },
2614     { "f30", offsetof(CPUState, fpr[30]) },
2615     { "f31", offsetof(CPUState, fpr[31]) },
2616     { "fpscr", offsetof(CPUState, fpscr) },
2617     /* Next instruction pointer */
2618     { "nip|pc", offsetof(CPUState, nip) },
2619     { "lr", offsetof(CPUState, lr) },
2620     { "ctr", offsetof(CPUState, ctr) },
2621     { "decr", 0, &monitor_get_decr, },
2622     { "ccr", 0, &monitor_get_ccr, },
2623     /* Machine state register */
2624     { "msr", 0, &monitor_get_msr, },
2625     { "xer", 0, &monitor_get_xer, },
2626     { "tbu", 0, &monitor_get_tbu, },
2627     { "tbl", 0, &monitor_get_tbl, },
2628 #if defined(TARGET_PPC64)
2629     /* Address space register */
2630     { "asr", offsetof(CPUState, asr) },
2631 #endif
2632     /* Segment registers */
2633     { "sdr1", offsetof(CPUState, sdr1) },
2634     { "sr0", offsetof(CPUState, sr[0]) },
2635     { "sr1", offsetof(CPUState, sr[1]) },
2636     { "sr2", offsetof(CPUState, sr[2]) },
2637     { "sr3", offsetof(CPUState, sr[3]) },
2638     { "sr4", offsetof(CPUState, sr[4]) },
2639     { "sr5", offsetof(CPUState, sr[5]) },
2640     { "sr6", offsetof(CPUState, sr[6]) },
2641     { "sr7", offsetof(CPUState, sr[7]) },
2642     { "sr8", offsetof(CPUState, sr[8]) },
2643     { "sr9", offsetof(CPUState, sr[9]) },
2644     { "sr10", offsetof(CPUState, sr[10]) },
2645     { "sr11", offsetof(CPUState, sr[11]) },
2646     { "sr12", offsetof(CPUState, sr[12]) },
2647     { "sr13", offsetof(CPUState, sr[13]) },
2648     { "sr14", offsetof(CPUState, sr[14]) },
2649     { "sr15", offsetof(CPUState, sr[15]) },
2650     /* Too lazy to put BATs and SPRs ... */
2651 #elif defined(TARGET_SPARC)
2652     { "g0", offsetof(CPUState, gregs[0]) },
2653     { "g1", offsetof(CPUState, gregs[1]) },
2654     { "g2", offsetof(CPUState, gregs[2]) },
2655     { "g3", offsetof(CPUState, gregs[3]) },
2656     { "g4", offsetof(CPUState, gregs[4]) },
2657     { "g5", offsetof(CPUState, gregs[5]) },
2658     { "g6", offsetof(CPUState, gregs[6]) },
2659     { "g7", offsetof(CPUState, gregs[7]) },
2660     { "o0", 0, monitor_get_reg },
2661     { "o1", 1, monitor_get_reg },
2662     { "o2", 2, monitor_get_reg },
2663     { "o3", 3, monitor_get_reg },
2664     { "o4", 4, monitor_get_reg },
2665     { "o5", 5, monitor_get_reg },
2666     { "o6", 6, monitor_get_reg },
2667     { "o7", 7, monitor_get_reg },
2668     { "l0", 8, monitor_get_reg },
2669     { "l1", 9, monitor_get_reg },
2670     { "l2", 10, monitor_get_reg },
2671     { "l3", 11, monitor_get_reg },
2672     { "l4", 12, monitor_get_reg },
2673     { "l5", 13, monitor_get_reg },
2674     { "l6", 14, monitor_get_reg },
2675     { "l7", 15, monitor_get_reg },
2676     { "i0", 16, monitor_get_reg },
2677     { "i1", 17, monitor_get_reg },
2678     { "i2", 18, monitor_get_reg },
2679     { "i3", 19, monitor_get_reg },
2680     { "i4", 20, monitor_get_reg },
2681     { "i5", 21, monitor_get_reg },
2682     { "i6", 22, monitor_get_reg },
2683     { "i7", 23, monitor_get_reg },
2684     { "pc", offsetof(CPUState, pc) },
2685     { "npc", offsetof(CPUState, npc) },
2686     { "y", offsetof(CPUState, y) },
2687 #ifndef TARGET_SPARC64
2688     { "psr", 0, &monitor_get_psr, },
2689     { "wim", offsetof(CPUState, wim) },
2690 #endif
2691     { "tbr", offsetof(CPUState, tbr) },
2692     { "fsr", offsetof(CPUState, fsr) },
2693     { "f0", offsetof(CPUState, fpr[0]) },
2694     { "f1", offsetof(CPUState, fpr[1]) },
2695     { "f2", offsetof(CPUState, fpr[2]) },
2696     { "f3", offsetof(CPUState, fpr[3]) },
2697     { "f4", offsetof(CPUState, fpr[4]) },
2698     { "f5", offsetof(CPUState, fpr[5]) },
2699     { "f6", offsetof(CPUState, fpr[6]) },
2700     { "f7", offsetof(CPUState, fpr[7]) },
2701     { "f8", offsetof(CPUState, fpr[8]) },
2702     { "f9", offsetof(CPUState, fpr[9]) },
2703     { "f10", offsetof(CPUState, fpr[10]) },
2704     { "f11", offsetof(CPUState, fpr[11]) },
2705     { "f12", offsetof(CPUState, fpr[12]) },
2706     { "f13", offsetof(CPUState, fpr[13]) },
2707     { "f14", offsetof(CPUState, fpr[14]) },
2708     { "f15", offsetof(CPUState, fpr[15]) },
2709     { "f16", offsetof(CPUState, fpr[16]) },
2710     { "f17", offsetof(CPUState, fpr[17]) },
2711     { "f18", offsetof(CPUState, fpr[18]) },
2712     { "f19", offsetof(CPUState, fpr[19]) },
2713     { "f20", offsetof(CPUState, fpr[20]) },
2714     { "f21", offsetof(CPUState, fpr[21]) },
2715     { "f22", offsetof(CPUState, fpr[22]) },
2716     { "f23", offsetof(CPUState, fpr[23]) },
2717     { "f24", offsetof(CPUState, fpr[24]) },
2718     { "f25", offsetof(CPUState, fpr[25]) },
2719     { "f26", offsetof(CPUState, fpr[26]) },
2720     { "f27", offsetof(CPUState, fpr[27]) },
2721     { "f28", offsetof(CPUState, fpr[28]) },
2722     { "f29", offsetof(CPUState, fpr[29]) },
2723     { "f30", offsetof(CPUState, fpr[30]) },
2724     { "f31", offsetof(CPUState, fpr[31]) },
2725 #ifdef TARGET_SPARC64
2726     { "f32", offsetof(CPUState, fpr[32]) },
2727     { "f34", offsetof(CPUState, fpr[34]) },
2728     { "f36", offsetof(CPUState, fpr[36]) },
2729     { "f38", offsetof(CPUState, fpr[38]) },
2730     { "f40", offsetof(CPUState, fpr[40]) },
2731     { "f42", offsetof(CPUState, fpr[42]) },
2732     { "f44", offsetof(CPUState, fpr[44]) },
2733     { "f46", offsetof(CPUState, fpr[46]) },
2734     { "f48", offsetof(CPUState, fpr[48]) },
2735     { "f50", offsetof(CPUState, fpr[50]) },
2736     { "f52", offsetof(CPUState, fpr[52]) },
2737     { "f54", offsetof(CPUState, fpr[54]) },
2738     { "f56", offsetof(CPUState, fpr[56]) },
2739     { "f58", offsetof(CPUState, fpr[58]) },
2740     { "f60", offsetof(CPUState, fpr[60]) },
2741     { "f62", offsetof(CPUState, fpr[62]) },
2742     { "asi", offsetof(CPUState, asi) },
2743     { "pstate", offsetof(CPUState, pstate) },
2744     { "cansave", offsetof(CPUState, cansave) },
2745     { "canrestore", offsetof(CPUState, canrestore) },
2746     { "otherwin", offsetof(CPUState, otherwin) },
2747     { "wstate", offsetof(CPUState, wstate) },
2748     { "cleanwin", offsetof(CPUState, cleanwin) },
2749     { "fprs", offsetof(CPUState, fprs) },
2750 #endif
2751 #endif
2752     { NULL },
2753 };
2754
2755 static void expr_error(Monitor *mon, const char *msg)
2756 {
2757     monitor_printf(mon, "%s\n", msg);
2758     longjmp(expr_env, 1);
2759 }
2760
2761 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2762 static int get_monitor_def(target_long *pval, const char *name)
2763 {
2764     const MonitorDef *md;
2765     void *ptr;
2766
2767     for(md = monitor_defs; md->name != NULL; md++) {
2768         if (compare_cmd(name, md->name)) {
2769             if (md->get_value) {
2770                 *pval = md->get_value(md, md->offset);
2771             } else {
2772                 CPUState *env = mon_get_cpu();
2773                 if (!env)
2774                     return -2;
2775                 ptr = (uint8_t *)env + md->offset;
2776                 switch(md->type) {
2777                 case MD_I32:
2778                     *pval = *(int32_t *)ptr;
2779                     break;
2780                 case MD_TLONG:
2781                     *pval = *(target_long *)ptr;
2782                     break;
2783                 default:
2784                     *pval = 0;
2785                     break;
2786                 }
2787             }
2788             return 0;
2789         }
2790     }
2791     return -1;
2792 }
2793
2794 static void next(void)
2795 {
2796     if (*pch != '\0') {
2797         pch++;
2798         while (qemu_isspace(*pch))
2799             pch++;
2800     }
2801 }
2802
2803 static int64_t expr_sum(Monitor *mon);
2804
2805 static int64_t expr_unary(Monitor *mon)
2806 {
2807     int64_t n;
2808     char *p;
2809     int ret;
2810
2811     switch(*pch) {
2812     case '+':
2813         next();
2814         n = expr_unary(mon);
2815         break;
2816     case '-':
2817         next();
2818         n = -expr_unary(mon);
2819         break;
2820     case '~':
2821         next();
2822         n = ~expr_unary(mon);
2823         break;
2824     case '(':
2825         next();
2826         n = expr_sum(mon);
2827         if (*pch != ')') {
2828             expr_error(mon, "')' expected");
2829         }
2830         next();
2831         break;
2832     case '\'':
2833         pch++;
2834         if (*pch == '\0')
2835             expr_error(mon, "character constant expected");
2836         n = *pch;
2837         pch++;
2838         if (*pch != '\'')
2839             expr_error(mon, "missing terminating \' character");
2840         next();
2841         break;
2842     case '$':
2843         {
2844             char buf[128], *q;
2845             target_long reg=0;
2846
2847             pch++;
2848             q = buf;
2849             while ((*pch >= 'a' && *pch <= 'z') ||
2850                    (*pch >= 'A' && *pch <= 'Z') ||
2851                    (*pch >= '0' && *pch <= '9') ||
2852                    *pch == '_' || *pch == '.') {
2853                 if ((q - buf) < sizeof(buf) - 1)
2854                     *q++ = *pch;
2855                 pch++;
2856             }
2857             while (qemu_isspace(*pch))
2858                 pch++;
2859             *q = 0;
2860             ret = get_monitor_def(&reg, buf);
2861             if (ret == -1)
2862                 expr_error(mon, "unknown register");
2863             else if (ret == -2)
2864                 expr_error(mon, "no cpu defined");
2865             n = reg;
2866         }
2867         break;
2868     case '\0':
2869         expr_error(mon, "unexpected end of expression");
2870         n = 0;
2871         break;
2872     default:
2873 #if TARGET_PHYS_ADDR_BITS > 32
2874         n = strtoull(pch, &p, 0);
2875 #else
2876         n = strtoul(pch, &p, 0);
2877 #endif
2878         if (pch == p) {
2879             expr_error(mon, "invalid char in expression");
2880         }
2881         pch = p;
2882         while (qemu_isspace(*pch))
2883             pch++;
2884         break;
2885     }
2886     return n;
2887 }
2888
2889
2890 static int64_t expr_prod(Monitor *mon)
2891 {
2892     int64_t val, val2;
2893     int op;
2894
2895     val = expr_unary(mon);
2896     for(;;) {
2897         op = *pch;
2898         if (op != '*' && op != '/' && op != '%')
2899             break;
2900         next();
2901         val2 = expr_unary(mon);
2902         switch(op) {
2903         default:
2904         case '*':
2905             val *= val2;
2906             break;
2907         case '/':
2908         case '%':
2909             if (val2 == 0)
2910                 expr_error(mon, "division by zero");
2911             if (op == '/')
2912                 val /= val2;
2913             else
2914                 val %= val2;
2915             break;
2916         }
2917     }
2918     return val;
2919 }
2920
2921 static int64_t expr_logic(Monitor *mon)
2922 {
2923     int64_t val, val2;
2924     int op;
2925
2926     val = expr_prod(mon);
2927     for(;;) {
2928         op = *pch;
2929         if (op != '&' && op != '|' && op != '^')
2930             break;
2931         next();
2932         val2 = expr_prod(mon);
2933         switch(op) {
2934         default:
2935         case '&':
2936             val &= val2;
2937             break;
2938         case '|':
2939             val |= val2;
2940             break;
2941         case '^':
2942             val ^= val2;
2943             break;
2944         }
2945     }
2946     return val;
2947 }
2948
2949 static int64_t expr_sum(Monitor *mon)
2950 {
2951     int64_t val, val2;
2952     int op;
2953
2954     val = expr_logic(mon);
2955     for(;;) {
2956         op = *pch;
2957         if (op != '+' && op != '-')
2958             break;
2959         next();
2960         val2 = expr_logic(mon);
2961         if (op == '+')
2962             val += val2;
2963         else
2964             val -= val2;
2965     }
2966     return val;
2967 }
2968
2969 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2970 {
2971     pch = *pp;
2972     if (setjmp(expr_env)) {
2973         *pp = pch;
2974         return -1;
2975     }
2976     while (qemu_isspace(*pch))
2977         pch++;
2978     *pval = expr_sum(mon);
2979     *pp = pch;
2980     return 0;
2981 }
2982
2983 static int get_str(char *buf, int buf_size, const char **pp)
2984 {
2985     const char *p;
2986     char *q;
2987     int c;
2988
2989     q = buf;
2990     p = *pp;
2991     while (qemu_isspace(*p))
2992         p++;
2993     if (*p == '\0') {
2994     fail:
2995         *q = '\0';
2996         *pp = p;
2997         return -1;
2998     }
2999     if (*p == '\"') {
3000         p++;
3001         while (*p != '\0' && *p != '\"') {
3002             if (*p == '\\') {
3003                 p++;
3004                 c = *p++;
3005                 switch(c) {
3006                 case 'n':
3007                     c = '\n';
3008                     break;
3009                 case 'r':
3010                     c = '\r';
3011                     break;
3012                 case '\\':
3013                 case '\'':
3014                 case '\"':
3015                     break;
3016                 default:
3017                     qemu_printf("unsupported escape code: '\\%c'\n", c);
3018                     goto fail;
3019                 }
3020                 if ((q - buf) < buf_size - 1) {
3021                     *q++ = c;
3022                 }
3023             } else {
3024                 if ((q - buf) < buf_size - 1) {
3025                     *q++ = *p;
3026                 }
3027                 p++;
3028             }
3029         }
3030         if (*p != '\"') {
3031             qemu_printf("unterminated string\n");
3032             goto fail;
3033         }
3034         p++;
3035     } else {
3036         while (*p != '\0' && !qemu_isspace(*p)) {
3037             if ((q - buf) < buf_size - 1) {
3038                 *q++ = *p;
3039             }
3040             p++;
3041         }
3042     }
3043     *q = '\0';
3044     *pp = p;
3045     return 0;
3046 }
3047
3048 /*
3049  * Store the command-name in cmdname, and return a pointer to
3050  * the remaining of the command string.
3051  */
3052 static const char *get_command_name(const char *cmdline,
3053                                     char *cmdname, size_t nlen)
3054 {
3055     size_t len;
3056     const char *p, *pstart;
3057
3058     p = cmdline;
3059     while (qemu_isspace(*p))
3060         p++;
3061     if (*p == '\0')
3062         return NULL;
3063     pstart = p;
3064     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3065         p++;
3066     len = p - pstart;
3067     if (len > nlen - 1)
3068         len = nlen - 1;
3069     memcpy(cmdname, pstart, len);
3070     cmdname[len] = '\0';
3071     return p;
3072 }
3073
3074 /**
3075  * Read key of 'type' into 'key' and return the current
3076  * 'type' pointer.
3077  */
3078 static char *key_get_info(const char *type, char **key)
3079 {
3080     size_t len;
3081     char *p, *str;
3082
3083     if (*type == ',')
3084         type++;
3085
3086     p = strchr(type, ':');
3087     if (!p) {
3088         *key = NULL;
3089         return NULL;
3090     }
3091     len = p - type;
3092
3093     str = qemu_malloc(len + 1);
3094     memcpy(str, type, len);
3095     str[len] = '\0';
3096
3097     *key = str;
3098     return ++p;
3099 }
3100
3101 static int default_fmt_format = 'x';
3102 static int default_fmt_size = 4;
3103
3104 #define MAX_ARGS 16
3105
3106 static int is_valid_option(const char *c, const char *typestr)
3107 {
3108     char option[3];
3109
3110     option[0] = '-';
3111     option[1] = *c;
3112     option[2] = '\0';
3113
3114     typestr = strstr(typestr, option);
3115     return (typestr != NULL);
3116 }
3117
3118 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3119 {
3120     const mon_cmd_t *cmd;
3121
3122     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3123         if (compare_cmd(cmdname, cmd->name)) {
3124             return cmd;
3125         }
3126     }
3127
3128     return NULL;
3129 }
3130
3131 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3132                                               const char *cmdline,
3133                                               QDict *qdict)
3134 {
3135     const char *p, *typestr;
3136     int c;
3137     const mon_cmd_t *cmd;
3138     char cmdname[256];
3139     char buf[1024];
3140     char *key;
3141
3142 #ifdef DEBUG
3143     monitor_printf(mon, "command='%s'\n", cmdline);
3144 #endif
3145
3146     /* extract the command name */
3147     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3148     if (!p)
3149         return NULL;
3150
3151     cmd = monitor_find_command(cmdname);
3152     if (!cmd) {
3153         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3154         return NULL;
3155     }
3156
3157     /* parse the parameters */
3158     typestr = cmd->args_type;
3159     for(;;) {
3160         typestr = key_get_info(typestr, &key);
3161         if (!typestr)
3162             break;
3163         c = *typestr;
3164         typestr++;
3165         switch(c) {
3166         case 'F':
3167         case 'B':
3168         case 's':
3169             {
3170                 int ret;
3171
3172                 while (qemu_isspace(*p))
3173                     p++;
3174                 if (*typestr == '?') {
3175                     typestr++;
3176                     if (*p == '\0') {
3177                         /* no optional string: NULL argument */
3178                         break;
3179                     }
3180                 }
3181                 ret = get_str(buf, sizeof(buf), &p);
3182                 if (ret < 0) {
3183                     switch(c) {
3184                     case 'F':
3185                         monitor_printf(mon, "%s: filename expected\n",
3186                                        cmdname);
3187                         break;
3188                     case 'B':
3189                         monitor_printf(mon, "%s: block device name expected\n",
3190                                        cmdname);
3191                         break;
3192                     default:
3193                         monitor_printf(mon, "%s: string expected\n", cmdname);
3194                         break;
3195                     }
3196                     goto fail;
3197                 }
3198                 qdict_put(qdict, key, qstring_from_str(buf));
3199             }
3200             break;
3201         case '/':
3202             {
3203                 int count, format, size;
3204
3205                 while (qemu_isspace(*p))
3206                     p++;
3207                 if (*p == '/') {
3208                     /* format found */
3209                     p++;
3210                     count = 1;
3211                     if (qemu_isdigit(*p)) {
3212                         count = 0;
3213                         while (qemu_isdigit(*p)) {
3214                             count = count * 10 + (*p - '0');
3215                             p++;
3216                         }
3217                     }
3218                     size = -1;
3219                     format = -1;
3220                     for(;;) {
3221                         switch(*p) {
3222                         case 'o':
3223                         case 'd':
3224                         case 'u':
3225                         case 'x':
3226                         case 'i':
3227                         case 'c':
3228                             format = *p++;
3229                             break;
3230                         case 'b':
3231                             size = 1;
3232                             p++;
3233                             break;
3234                         case 'h':
3235                             size = 2;
3236                             p++;
3237                             break;
3238                         case 'w':
3239                             size = 4;
3240                             p++;
3241                             break;
3242                         case 'g':
3243                         case 'L':
3244                             size = 8;
3245                             p++;
3246                             break;
3247                         default:
3248                             goto next;
3249                         }
3250                     }
3251                 next:
3252                     if (*p != '\0' && !qemu_isspace(*p)) {
3253                         monitor_printf(mon, "invalid char in format: '%c'\n",
3254                                        *p);
3255                         goto fail;
3256                     }
3257                     if (format < 0)
3258                         format = default_fmt_format;
3259                     if (format != 'i') {
3260                         /* for 'i', not specifying a size gives -1 as size */
3261                         if (size < 0)
3262                             size = default_fmt_size;
3263                         default_fmt_size = size;
3264                     }
3265                     default_fmt_format = format;
3266                 } else {
3267                     count = 1;
3268                     format = default_fmt_format;
3269                     if (format != 'i') {
3270                         size = default_fmt_size;
3271                     } else {
3272                         size = -1;
3273                     }
3274                 }
3275                 qdict_put(qdict, "count", qint_from_int(count));
3276                 qdict_put(qdict, "format", qint_from_int(format));
3277                 qdict_put(qdict, "size", qint_from_int(size));
3278             }
3279             break;
3280         case 'i':
3281         case 'l':
3282             {
3283                 int64_t val;
3284
3285                 while (qemu_isspace(*p))
3286                     p++;
3287                 if (*typestr == '?' || *typestr == '.') {
3288                     if (*typestr == '?') {
3289                         if (*p == '\0') {
3290                             typestr++;
3291                             break;
3292                         }
3293                     } else {
3294                         if (*p == '.') {
3295                             p++;
3296                             while (qemu_isspace(*p))
3297                                 p++;
3298                         } else {
3299                             typestr++;
3300                             break;
3301                         }
3302                     }
3303                     typestr++;
3304                 }
3305                 if (get_expr(mon, &val, &p))
3306                     goto fail;
3307                 /* Check if 'i' is greater than 32-bit */
3308                 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3309                     monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3310                     monitor_printf(mon, "integer is for 32-bit values\n");
3311                     goto fail;
3312                 }
3313                 qdict_put(qdict, key, qint_from_int(val));
3314             }
3315             break;
3316         case '-':
3317             {
3318                 const char *tmp = p;
3319                 int has_option, skip_key = 0;
3320                 /* option */
3321
3322                 c = *typestr++;
3323                 if (c == '\0')
3324                     goto bad_type;
3325                 while (qemu_isspace(*p))
3326                     p++;
3327                 has_option = 0;
3328                 if (*p == '-') {
3329                     p++;
3330                     if(c != *p) {
3331                         if(!is_valid_option(p, typestr)) {
3332
3333                             monitor_printf(mon, "%s: unsupported option -%c\n",
3334                                            cmdname, *p);
3335                             goto fail;
3336                         } else {
3337                             skip_key = 1;
3338                         }
3339                     }
3340                     if(skip_key) {
3341                         p = tmp;
3342                     } else {
3343                         p++;
3344                         has_option = 1;
3345                     }
3346                 }
3347                 qdict_put(qdict, key, qint_from_int(has_option));
3348             }
3349             break;
3350         default:
3351         bad_type:
3352             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3353             goto fail;
3354         }
3355         qemu_free(key);
3356         key = NULL;
3357     }
3358     /* check that all arguments were parsed */
3359     while (qemu_isspace(*p))
3360         p++;
3361     if (*p != '\0') {
3362         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3363                        cmdname);
3364         goto fail;
3365     }
3366
3367     return cmd;
3368
3369 fail:
3370     qemu_free(key);
3371     return NULL;
3372 }
3373
3374 static void monitor_print_error(Monitor *mon)
3375 {
3376     qerror_print(mon->error);
3377     QDECREF(mon->error);
3378     mon->error = NULL;
3379 }
3380
3381 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3382                                  const QDict *params)
3383 {
3384     QObject *data = NULL;
3385
3386     cmd->mhandler.cmd_new(mon, params, &data);
3387
3388     if (monitor_ctrl_mode(mon)) {
3389         /* Monitor Protocol */
3390         monitor_protocol_emitter(mon, data);
3391     } else {
3392         /* User Protocol */
3393          if (data)
3394             cmd->user_print(mon, data);
3395     }
3396
3397     qobject_decref(data);
3398 }
3399
3400 static void handle_user_command(Monitor *mon, const char *cmdline)
3401 {
3402     QDict *qdict;
3403     const mon_cmd_t *cmd;
3404
3405     qdict = qdict_new();
3406
3407     cmd = monitor_parse_command(mon, cmdline, qdict);
3408     if (!cmd)
3409         goto out;
3410
3411     qemu_errors_to_mon(mon);
3412
3413     if (monitor_handler_ported(cmd)) {
3414         monitor_call_handler(mon, cmd, qdict);
3415     } else {
3416         cmd->mhandler.cmd(mon, qdict);
3417     }
3418
3419     if (monitor_has_error(mon))
3420         monitor_print_error(mon);
3421
3422     qemu_errors_to_previous();
3423
3424 out:
3425     QDECREF(qdict);
3426 }
3427
3428 static void cmd_completion(const char *name, const char *list)
3429 {
3430     const char *p, *pstart;
3431     char cmd[128];
3432     int len;
3433
3434     p = list;
3435     for(;;) {
3436         pstart = p;
3437         p = strchr(p, '|');
3438         if (!p)
3439             p = pstart + strlen(pstart);
3440         len = p - pstart;
3441         if (len > sizeof(cmd) - 2)
3442             len = sizeof(cmd) - 2;
3443         memcpy(cmd, pstart, len);
3444         cmd[len] = '\0';
3445         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3446             readline_add_completion(cur_mon->rs, cmd);
3447         }
3448         if (*p == '\0')
3449             break;
3450         p++;
3451     }
3452 }
3453
3454 static void file_completion(const char *input)
3455 {
3456     DIR *ffs;
3457     struct dirent *d;
3458     char path[1024];
3459     char file[1024], file_prefix[1024];
3460     int input_path_len;
3461     const char *p;
3462
3463     p = strrchr(input, '/');
3464     if (!p) {
3465         input_path_len = 0;
3466         pstrcpy(file_prefix, sizeof(file_prefix), input);
3467         pstrcpy(path, sizeof(path), ".");
3468     } else {
3469         input_path_len = p - input + 1;
3470         memcpy(path, input, input_path_len);
3471         if (input_path_len > sizeof(path) - 1)
3472             input_path_len = sizeof(path) - 1;
3473         path[input_path_len] = '\0';
3474         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3475     }
3476 #ifdef DEBUG_COMPLETION
3477     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3478                    input, path, file_prefix);
3479 #endif
3480     ffs = opendir(path);
3481     if (!ffs)
3482         return;
3483     for(;;) {
3484         struct stat sb;
3485         d = readdir(ffs);
3486         if (!d)
3487             break;
3488         if (strstart(d->d_name, file_prefix, NULL)) {
3489             memcpy(file, input, input_path_len);
3490             if (input_path_len < sizeof(file))
3491                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3492                         d->d_name);
3493             /* stat the file to find out if it's a directory.
3494              * In that case add a slash to speed up typing long paths
3495              */
3496             stat(file, &sb);
3497             if(S_ISDIR(sb.st_mode))
3498                 pstrcat(file, sizeof(file), "/");
3499             readline_add_completion(cur_mon->rs, file);
3500         }
3501     }
3502     closedir(ffs);
3503 }
3504
3505 static void block_completion_it(void *opaque, BlockDriverState *bs)
3506 {
3507     const char *name = bdrv_get_device_name(bs);
3508     const char *input = opaque;
3509
3510     if (input[0] == '\0' ||
3511         !strncmp(name, (char *)input, strlen(input))) {
3512         readline_add_completion(cur_mon->rs, name);
3513     }
3514 }
3515
3516 /* NOTE: this parser is an approximate form of the real command parser */
3517 static void parse_cmdline(const char *cmdline,
3518                          int *pnb_args, char **args)
3519 {
3520     const char *p;
3521     int nb_args, ret;
3522     char buf[1024];
3523
3524     p = cmdline;
3525     nb_args = 0;
3526     for(;;) {
3527         while (qemu_isspace(*p))
3528             p++;
3529         if (*p == '\0')
3530             break;
3531         if (nb_args >= MAX_ARGS)
3532             break;
3533         ret = get_str(buf, sizeof(buf), &p);
3534         args[nb_args] = qemu_strdup(buf);
3535         nb_args++;
3536         if (ret < 0)
3537             break;
3538     }
3539     *pnb_args = nb_args;
3540 }
3541
3542 static const char *next_arg_type(const char *typestr)
3543 {
3544     const char *p = strchr(typestr, ':');
3545     return (p != NULL ? ++p : typestr);
3546 }
3547
3548 static void monitor_find_completion(const char *cmdline)
3549 {
3550     const char *cmdname;
3551     char *args[MAX_ARGS];
3552     int nb_args, i, len;
3553     const char *ptype, *str;
3554     const mon_cmd_t *cmd;
3555     const KeyDef *key;
3556
3557     parse_cmdline(cmdline, &nb_args, args);
3558 #ifdef DEBUG_COMPLETION
3559     for(i = 0; i < nb_args; i++) {
3560         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3561     }
3562 #endif
3563
3564     /* if the line ends with a space, it means we want to complete the
3565        next arg */
3566     len = strlen(cmdline);
3567     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3568         if (nb_args >= MAX_ARGS)
3569             return;
3570         args[nb_args++] = qemu_strdup("");
3571     }
3572     if (nb_args <= 1) {
3573         /* command completion */
3574         if (nb_args == 0)
3575             cmdname = "";
3576         else
3577             cmdname = args[0];
3578         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3579         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3580             cmd_completion(cmdname, cmd->name);
3581         }
3582     } else {
3583         /* find the command */
3584         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3585             if (compare_cmd(args[0], cmd->name))
3586                 goto found;
3587         }
3588         return;
3589     found:
3590         ptype = next_arg_type(cmd->args_type);
3591         for(i = 0; i < nb_args - 2; i++) {
3592             if (*ptype != '\0') {
3593                 ptype = next_arg_type(ptype);
3594                 while (*ptype == '?')
3595                     ptype = next_arg_type(ptype);
3596             }
3597         }
3598         str = args[nb_args - 1];
3599         if (*ptype == '-' && ptype[1] != '\0') {
3600             ptype += 2;
3601         }
3602         switch(*ptype) {
3603         case 'F':
3604             /* file completion */
3605             readline_set_completion_index(cur_mon->rs, strlen(str));
3606             file_completion(str);
3607             break;
3608         case 'B':
3609             /* block device name completion */
3610             readline_set_completion_index(cur_mon->rs, strlen(str));
3611             bdrv_iterate(block_completion_it, (void *)str);
3612             break;
3613         case 's':
3614             /* XXX: more generic ? */
3615             if (!strcmp(cmd->name, "info")) {
3616                 readline_set_completion_index(cur_mon->rs, strlen(str));
3617                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3618                     cmd_completion(str, cmd->name);
3619                 }
3620             } else if (!strcmp(cmd->name, "sendkey")) {
3621                 char *sep = strrchr(str, '-');
3622                 if (sep)
3623                     str = sep + 1;
3624                 readline_set_completion_index(cur_mon->rs, strlen(str));
3625                 for(key = key_defs; key->name != NULL; key++) {
3626                     cmd_completion(str, key->name);
3627                 }
3628             } else if (!strcmp(cmd->name, "help|?")) {
3629                 readline_set_completion_index(cur_mon->rs, strlen(str));
3630                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3631                     cmd_completion(str, cmd->name);
3632                 }
3633             }
3634             break;
3635         default:
3636             break;
3637         }
3638     }
3639     for(i = 0; i < nb_args; i++)
3640         qemu_free(args[i]);
3641 }
3642
3643 static int monitor_can_read(void *opaque)
3644 {
3645     Monitor *mon = opaque;
3646
3647     return (mon->suspend_cnt == 0) ? 128 : 0;
3648 }
3649
3650 typedef struct CmdArgs {
3651     QString *name;
3652     int type;
3653     int flag;
3654     int optional;
3655 } CmdArgs;
3656
3657 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3658 {
3659     if (!cmd_args->optional) {
3660         qemu_error_new(QERR_MISSING_PARAMETER, name);
3661         return -1;
3662     }
3663
3664     if (cmd_args->type == '-') {
3665         /* handlers expect a value, they need to be changed */
3666         qdict_put(args, name, qint_from_int(0));
3667     }
3668
3669     return 0;
3670 }
3671
3672 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3673 {
3674     QObject *value;
3675     const char *name;
3676
3677     name = qstring_get_str(cmd_args->name);
3678
3679     if (!args) {
3680         return check_opt(cmd_args, name, args);
3681     }
3682
3683     value = qdict_get(args, name);
3684     if (!value) {
3685         return check_opt(cmd_args, name, args);
3686     }
3687
3688     switch (cmd_args->type) {
3689         case 'F':
3690         case 'B':
3691         case 's':
3692             if (qobject_type(value) != QTYPE_QSTRING) {
3693                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3694                 return -1;
3695             }
3696             break;
3697         case '/': {
3698             int i;
3699             const char *keys[] = { "count", "format", "size", NULL };
3700
3701             for (i = 0; keys[i]; i++) {
3702                 QObject *obj = qdict_get(args, keys[i]);
3703                 if (!obj) {
3704                     qemu_error_new(QERR_MISSING_PARAMETER, name);
3705                     return -1;
3706                 }
3707                 if (qobject_type(obj) != QTYPE_QINT) {
3708                     qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3709                     return -1;
3710                 }
3711             }
3712             break;
3713         }
3714         case 'i':
3715         case 'l':
3716             if (qobject_type(value) != QTYPE_QINT) {
3717                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3718                 return -1;
3719             }
3720             break;
3721         case '-':
3722             if (qobject_type(value) != QTYPE_QINT &&
3723                 qobject_type(value) != QTYPE_QBOOL) {
3724                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3725                 return -1;
3726             }
3727             if (qobject_type(value) == QTYPE_QBOOL) {
3728                 /* handlers expect a QInt, they need to be changed */
3729                 qdict_put(args, name,
3730                          qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3731             }
3732             break;
3733         default:
3734             /* impossible */
3735             abort();
3736     }
3737
3738     return 0;
3739 }
3740
3741 static void cmd_args_init(CmdArgs *cmd_args)
3742 {
3743     cmd_args->name = qstring_new();
3744     cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3745 }
3746
3747 /*
3748  * This is not trivial, we have to parse Monitor command's argument
3749  * type syntax to be able to check the arguments provided by clients.
3750  *
3751  * In the near future we will be using an array for that and will be
3752  * able to drop all this parsing...
3753  */
3754 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3755 {
3756     int err;
3757     const char *p;
3758     CmdArgs cmd_args;
3759
3760     if (cmd->args_type == NULL) {
3761         return (qdict_size(args) == 0 ? 0 : -1);
3762     }
3763
3764     err = 0;
3765     cmd_args_init(&cmd_args);
3766
3767     for (p = cmd->args_type;; p++) {
3768         if (*p == ':') {
3769             cmd_args.type = *++p;
3770             p++;
3771             if (cmd_args.type == '-') {
3772                 cmd_args.flag = *p++;
3773                 cmd_args.optional = 1;
3774             } else if (*p == '?') {
3775                 cmd_args.optional = 1;
3776                 p++;
3777             }
3778
3779             assert(*p == ',' || *p == '\0');
3780             err = check_arg(&cmd_args, args);
3781
3782             QDECREF(cmd_args.name);
3783             cmd_args_init(&cmd_args);
3784
3785             if (err < 0) {
3786                 break;
3787             }
3788         } else {
3789             qstring_append_chr(cmd_args.name, *p);
3790         }
3791
3792         if (*p == '\0') {
3793             break;
3794         }
3795     }
3796
3797     QDECREF(cmd_args.name);
3798     return err;
3799 }
3800
3801 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3802 {
3803     int err;
3804     QObject *obj;
3805     QDict *input, *args;
3806     const mon_cmd_t *cmd;
3807     Monitor *mon = cur_mon;
3808     const char *cmd_name, *info_item;
3809
3810     args = NULL;
3811     qemu_errors_to_mon(mon);
3812
3813     obj = json_parser_parse(tokens, NULL);
3814     if (!obj) {
3815         // FIXME: should be triggered in json_parser_parse()
3816         qemu_error_new(QERR_JSON_PARSING);
3817         goto err_out;
3818     } else if (qobject_type(obj) != QTYPE_QDICT) {
3819         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3820         qobject_decref(obj);
3821         goto err_out;
3822     }
3823
3824     input = qobject_to_qdict(obj);
3825
3826     mon->mc->id = qdict_get(input, "id");
3827     qobject_incref(mon->mc->id);
3828
3829     obj = qdict_get(input, "execute");
3830     if (!obj) {
3831         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3832         goto err_input;
3833     } else if (qobject_type(obj) != QTYPE_QSTRING) {
3834         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3835         goto err_input;
3836     }
3837
3838     cmd_name = qstring_get_str(qobject_to_qstring(obj));
3839
3840     /*
3841      * XXX: We need this special case until we get info handlers
3842      * converted into 'query-' commands
3843      */
3844     if (compare_cmd(cmd_name, "info")) {
3845         qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3846         goto err_input;
3847     } else if (strstart(cmd_name, "query-", &info_item)) {
3848         cmd = monitor_find_command("info");
3849         qdict_put_obj(input, "arguments",
3850                       qobject_from_jsonf("{ 'item': %s }", info_item));
3851     } else {
3852         cmd = monitor_find_command(cmd_name);
3853         if (!cmd) {
3854             qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3855             goto err_input;
3856         }
3857     }
3858
3859     obj = qdict_get(input, "arguments");
3860     if (!obj) {
3861         args = qdict_new();
3862     } else {
3863         args = qobject_to_qdict(obj);
3864         QINCREF(args);
3865     }
3866
3867     QDECREF(input);
3868
3869     err = monitor_check_qmp_args(cmd, args);
3870     if (err < 0) {
3871         goto err_out;
3872     }
3873
3874     monitor_call_handler(mon, cmd, args);
3875     goto out;
3876
3877 err_input:
3878     QDECREF(input);
3879 err_out:
3880     monitor_protocol_emitter(mon, NULL);
3881 out:
3882     QDECREF(args);
3883     qemu_errors_to_previous();
3884 }
3885
3886 /**
3887  * monitor_control_read(): Read and handle QMP input
3888  */
3889 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3890 {
3891     Monitor *old_mon = cur_mon;
3892
3893     cur_mon = opaque;
3894
3895     json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3896
3897     cur_mon = old_mon;
3898 }
3899
3900 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3901 {
3902     Monitor *old_mon = cur_mon;
3903     int i;
3904
3905     cur_mon = opaque;
3906
3907     if (cur_mon->rs) {
3908         for (i = 0; i < size; i++)
3909             readline_handle_byte(cur_mon->rs, buf[i]);
3910     } else {
3911         if (size == 0 || buf[size - 1] != 0)
3912             monitor_printf(cur_mon, "corrupted command\n");
3913         else
3914             handle_user_command(cur_mon, (char *)buf);
3915     }
3916
3917     cur_mon = old_mon;
3918 }
3919
3920 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3921 {
3922     monitor_suspend(mon);
3923     handle_user_command(mon, cmdline);
3924     monitor_resume(mon);
3925 }
3926
3927 int monitor_suspend(Monitor *mon)
3928 {
3929     if (!mon->rs)
3930         return -ENOTTY;
3931     mon->suspend_cnt++;
3932     return 0;
3933 }
3934
3935 void monitor_resume(Monitor *mon)
3936 {
3937     if (!mon->rs)
3938         return;
3939     if (--mon->suspend_cnt == 0)
3940         readline_show_prompt(mon->rs);
3941 }
3942
3943 /**
3944  * monitor_control_event(): Print QMP gretting
3945  */
3946 static void monitor_control_event(void *opaque, int event)
3947 {
3948     if (event == CHR_EVENT_OPENED) {
3949         QObject *data;
3950         Monitor *mon = opaque;
3951
3952         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3953
3954         data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3955         assert(data != NULL);
3956
3957         monitor_json_emitter(mon, data);
3958         qobject_decref(data);
3959     }
3960 }
3961
3962 static void monitor_event(void *opaque, int event)
3963 {
3964     Monitor *mon = opaque;
3965
3966     switch (event) {
3967     case CHR_EVENT_MUX_IN:
3968         mon->mux_out = 0;
3969         if (mon->reset_seen) {
3970             readline_restart(mon->rs);
3971             monitor_resume(mon);
3972             monitor_flush(mon);
3973         } else {
3974             mon->suspend_cnt = 0;
3975         }
3976         break;
3977
3978     case CHR_EVENT_MUX_OUT:
3979         if (mon->reset_seen) {
3980             if (mon->suspend_cnt == 0) {
3981                 monitor_printf(mon, "\n");
3982             }
3983             monitor_flush(mon);
3984             monitor_suspend(mon);
3985         } else {
3986             mon->suspend_cnt++;
3987         }
3988         mon->mux_out = 1;
3989         break;
3990
3991     case CHR_EVENT_OPENED:
3992         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3993                        "information\n", QEMU_VERSION);
3994         if (!mon->mux_out) {
3995             readline_show_prompt(mon->rs);
3996         }
3997         mon->reset_seen = 1;
3998         break;
3999     }
4000 }
4001
4002
4003 /*
4004  * Local variables:
4005  *  c-indent-level: 4
4006  *  c-basic-offset: 4
4007  *  tab-width: 8
4008  * End:
4009  */
4010
4011 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4012 {
4013     const char *dev;
4014
4015     if (strstart(cmdline, "control,", &dev)) {
4016         if (strstart(dev, "vc", NULL)) {
4017             fprintf(stderr, "qemu: control mode is for low-level interaction ");
4018             fprintf(stderr, "cannot be used with device 'vc'\n");
4019             exit(1);
4020         }
4021         *flags &= ~MONITOR_USE_READLINE;
4022         *flags |= MONITOR_USE_CONTROL;
4023         return dev;
4024     }
4025
4026     return cmdline;
4027 }
4028
4029 void monitor_init(CharDriverState *chr, int flags)
4030 {
4031     static int is_first_init = 1;
4032     Monitor *mon;
4033
4034     if (is_first_init) {
4035         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4036         is_first_init = 0;
4037     }
4038
4039     mon = qemu_mallocz(sizeof(*mon));
4040
4041     mon->chr = chr;
4042     mon->flags = flags;
4043     if (flags & MONITOR_USE_READLINE) {
4044         mon->rs = readline_init(mon, monitor_find_completion);
4045         monitor_read_command(mon, 0);
4046     }
4047
4048     if (monitor_ctrl_mode(mon)) {
4049         mon->mc = qemu_mallocz(sizeof(MonitorControl));
4050         /* Control mode requires special handlers */
4051         qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4052                               monitor_control_event, mon);
4053     } else {
4054         qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4055                               monitor_event, mon);
4056     }
4057
4058     QLIST_INSERT_HEAD(&mon_list, mon, entry);
4059     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4060         cur_mon = mon;
4061 }
4062
4063 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4064 {
4065     BlockDriverState *bs = opaque;
4066     int ret = 0;
4067
4068     if (bdrv_set_key(bs, password) != 0) {
4069         monitor_printf(mon, "invalid password\n");
4070         ret = -EPERM;
4071     }
4072     if (mon->password_completion_cb)
4073         mon->password_completion_cb(mon->password_opaque, ret);
4074
4075     monitor_read_command(mon, 1);
4076 }
4077
4078 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4079                                  BlockDriverCompletionFunc *completion_cb,
4080                                  void *opaque)
4081 {
4082     int err;
4083
4084     if (!bdrv_key_required(bs)) {
4085         if (completion_cb)
4086             completion_cb(opaque, 0);
4087         return;
4088     }
4089
4090     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4091                    bdrv_get_encrypted_filename(bs));
4092
4093     mon->password_completion_cb = completion_cb;
4094     mon->password_opaque = opaque;
4095
4096     err = monitor_read_password(mon, bdrv_password_cb, bs);
4097
4098     if (err && completion_cb)
4099         completion_cb(opaque, err);
4100 }
4101
4102 typedef struct QemuErrorSink QemuErrorSink;
4103 struct QemuErrorSink {
4104     enum {
4105         ERR_SINK_FILE,
4106         ERR_SINK_MONITOR,
4107     } dest;
4108     union {
4109         FILE    *fp;
4110         Monitor *mon;
4111     };
4112     QemuErrorSink *previous;
4113 };
4114
4115 static QemuErrorSink *qemu_error_sink;
4116
4117 void qemu_errors_to_file(FILE *fp)
4118 {
4119     QemuErrorSink *sink;
4120
4121     sink = qemu_mallocz(sizeof(*sink));
4122     sink->dest = ERR_SINK_FILE;
4123     sink->fp = fp;
4124     sink->previous = qemu_error_sink;
4125     qemu_error_sink = sink;
4126 }
4127
4128 void qemu_errors_to_mon(Monitor *mon)
4129 {
4130     QemuErrorSink *sink;
4131
4132     sink = qemu_mallocz(sizeof(*sink));
4133     sink->dest = ERR_SINK_MONITOR;
4134     sink->mon = mon;
4135     sink->previous = qemu_error_sink;
4136     qemu_error_sink = sink;
4137 }
4138
4139 void qemu_errors_to_previous(void)
4140 {
4141     QemuErrorSink *sink;
4142
4143     assert(qemu_error_sink != NULL);
4144     sink = qemu_error_sink;
4145     qemu_error_sink = sink->previous;
4146     qemu_free(sink);
4147 }
4148
4149 void qemu_error(const char *fmt, ...)
4150 {
4151     va_list args;
4152
4153     assert(qemu_error_sink != NULL);
4154     switch (qemu_error_sink->dest) {
4155     case ERR_SINK_FILE:
4156         va_start(args, fmt);
4157         vfprintf(qemu_error_sink->fp, fmt, args);
4158         va_end(args);
4159         break;
4160     case ERR_SINK_MONITOR:
4161         va_start(args, fmt);
4162         monitor_vprintf(qemu_error_sink->mon, fmt, args);
4163         va_end(args);
4164         break;
4165     }
4166 }
4167
4168 void qemu_error_internal(const char *file, int linenr, const char *func,
4169                          const char *fmt, ...)
4170 {
4171     va_list va;
4172     QError *qerror;
4173
4174     assert(qemu_error_sink != NULL);
4175
4176     va_start(va, fmt);
4177     qerror = qerror_from_info(file, linenr, func, fmt, &va);
4178     va_end(va);
4179
4180     switch (qemu_error_sink->dest) {
4181     case ERR_SINK_FILE:
4182         qerror_print(qerror);
4183         QDECREF(qerror);
4184         break;
4185     case ERR_SINK_MONITOR:
4186         assert(qemu_error_sink->mon->error == NULL);
4187         qemu_error_sink->mon->error = qerror;
4188         break;
4189     }
4190 }