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 (monitor_ctrl_mode(mon)) {
 152         qemu_error_new(QERR_MISSING_PARAMETER, "password");
 153         return -EINVAL;
 154     } else if (mon->rs) {
 155         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 156         /* prompt is printed on return from the command handler */
 157         return 0;
 158     } else {
 159         monitor_printf(mon, "terminal does not support password prompting\n");
 160         return -ENOTTY;
 161     }
 162 }
 163
 164 void monitor_flush(Monitor *mon)
 165 {
 166     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
 167         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 168         mon->outbuf_index = 0;
 169     }
 170 }
 171
 172 /* flush at every end of line or if the buffer is full */
 173 static void monitor_puts(Monitor *mon, const char *str)
 174 {
 175     char c;
 176
 177     if (!mon)
 178         return;
 179
 180     for(;;) {
 181         c = *str++;
 182         if (c == '\0')
 183             break;
 184         if (c == '\n')
 185             mon->outbuf[mon->outbuf_index++] = '\r';
 186         mon->outbuf[mon->outbuf_index++] = c;
 187         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 188             || c == '\n')
 189             monitor_flush(mon);
 190     }
 191 }
 192
 193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 194 {
 195     if (mon->mc && !mon->mc->print_enabled) {
 196         qemu_error_new(QERR_UNDEFINED_ERROR);
 197     } else {
 198         char buf[4096];
 199         vsnprintf(buf, sizeof(buf), fmt, ap);
 200         monitor_puts(mon, buf);
 201     }
 202 }
 203
 204 void monitor_printf(Monitor *mon, const char *fmt, ...)
 205 {
 206     va_list ap;
 207     va_start(ap, fmt);
 208     monitor_vprintf(mon, fmt, ap);
 209     va_end(ap);
 210 }
 211
 212 void monitor_print_filename(Monitor *mon, const char *filename)
 213 {
 214     int i;
 215
 216     for (i = 0; filename[i]; i++) {
 217         switch (filename[i]) {
 218         case ' ':
 219         case '"':
 220         case '\\':
 221             monitor_printf(mon, "\\%c", filename[i]);
 222             break;
 223         case '\t':
 224             monitor_printf(mon, "\\t");
 225             break;
 226         case '\r':
 227             monitor_printf(mon, "\\r");
 228             break;
 229         case '\n':
 230             monitor_printf(mon, "\\n");
 231             break;
 232         default:
 233             monitor_printf(mon, "%c", filename[i]);
 234             break;
 235         }
 236     }
 237 }
 238
 239 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 240 {
 241     va_list ap;
 242     va_start(ap, fmt);
 243     monitor_vprintf((Monitor *)stream, fmt, ap);
 244     va_end(ap);
 245     return 0;
 246 }
 247
 248 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
 249
 250 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
 251 {
 252     return cmd->user_print != NULL;
 253 }
 254
 255 static inline int monitor_has_error(const Monitor *mon)
 256 {
 257     return mon->error != NULL;
 258 }
 259
 260 static void monitor_print_qobject(Monitor *mon, const QObject *data)
 261 {
 262     switch (qobject_type(data)) {
 263         case QTYPE_QSTRING:
 264             monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
 265             break;
 266         case QTYPE_QINT:
 267             monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
 268             break;
 269         default:
 270             monitor_printf(mon, "ERROR: unsupported type: %d",
 271                                                         qobject_type(data));
 272             break;
 273     }
 274
 275     monitor_puts(mon, "\n");
 276 }
 277
 278 static void monitor_json_emitter(Monitor *mon, const QObject *data)
 279 {
 280     QString *json;
 281
 282     json = qobject_to_json(data);
 283     assert(json != NULL);
 284
 285     mon->mc->print_enabled = 1;
 286     monitor_printf(mon, "%s\n", qstring_get_str(json));
 287     mon->mc->print_enabled = 0;
 288
 289     QDECREF(json);
 290 }
 291
 292 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
 293 {
 294     QDict *qmp;
 295
 296     qmp = qdict_new();
 297
 298     if (!monitor_has_error(mon)) {
 299         /* success response */
 300         if (data) {
 301             qobject_incref(data);
 302             qdict_put_obj(qmp, "return", data);
 303         } else {
 304             qdict_put(qmp, "return", qstring_from_str("OK"));
 305         }
 306     } else {
 307         /* error response */
 308         qdict_put(qmp, "error", mon->error->error);
 309         QINCREF(mon->error->error);
 310         QDECREF(mon->error);
 311         mon->error = NULL;
 312     }
 313
 314     if (mon->mc->id) {
 315         qdict_put_obj(qmp, "id", mon->mc->id);
 316         mon->mc->id = NULL;
 317     }
 318
 319     monitor_json_emitter(mon, QOBJECT(qmp));
 320     QDECREF(qmp);
 321 }
 322
 323 static void timestamp_put(QDict *qdict)
 324 {
 325     int err;
 326     QObject *obj;
 327     qemu_timeval tv;
 328
 329     err = qemu_gettimeofday(&tv);
 330     if (err < 0)
 331         return;
 332
 333     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
 334                                 "'microseconds': %" PRId64 " }",
 335                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
 336     assert(obj != NULL);
 337
 338     qdict_put_obj(qdict, "timestamp", obj);
 339 }
 340
 341 /**
 342  * monitor_protocol_event(): Generate a Monitor event
 343  *
 344  * Event-specific data can be emitted through the (optional) 'data' parameter.
 345  */
 346 void monitor_protocol_event(MonitorEvent event, QObject *data)
 347 {
 348     QDict *qmp;
 349     const char *event_name;
 350     Monitor *mon = cur_mon;
 351
 352     assert(event < QEVENT_MAX);
 353
 354     if (!monitor_ctrl_mode(mon))
 355         return;
 356
 357     switch (event) {
 358         case QEVENT_DEBUG:
 359             event_name = "DEBUG";
 360             break;
 361         case QEVENT_SHUTDOWN:
 362             event_name = "SHUTDOWN";
 363             break;
 364         case QEVENT_RESET:
 365             event_name = "RESET";
 366             break;
 367         case QEVENT_POWERDOWN:
 368             event_name = "POWERDOWN";
 369             break;
 370         case QEVENT_STOP:
 371             event_name = "STOP";
 372             break;
 373         default:
 374             abort();
 375             break;
 376     }
 377
 378     qmp = qdict_new();
 379     timestamp_put(qmp);
 380     qdict_put(qmp, "event", qstring_from_str(event_name));
 381     if (data)
 382         qdict_put_obj(qmp, "data", data);
 383
 384     monitor_json_emitter(mon, QOBJECT(qmp));
 385     QDECREF(qmp);
 386 }
 387
 388 static int compare_cmd(const char *name, const char *list)
 389 {
 390     const char *p, *pstart;
 391     int len;
 392     len = strlen(name);
 393     p = list;
 394     for(;;) {
 395         pstart = p;
 396         p = strchr(p, '|');
 397         if (!p)
 398             p = pstart + strlen(pstart);
 399         if ((p - pstart) == len && !memcmp(pstart, name, len))
 400             return 1;
 401         if (*p == '\0')
 402             break;
 403         p++;
 404     }
 405     return 0;
 406 }
 407
 408 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 409                           const char *prefix, const char *name)
 410 {
 411     const mon_cmd_t *cmd;
 412
 413     for(cmd = cmds; cmd->name != NULL; cmd++) {
 414         if (!name || !strcmp(name, cmd->name))
 415             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 416                            cmd->params, cmd->help);
 417     }
 418 }
 419
 420 static void help_cmd(Monitor *mon, const char *name)
 421 {
 422     if (name && !strcmp(name, "info")) {
 423         help_cmd_dump(mon, info_cmds, "info ", NULL);
 424     } else {
 425         help_cmd_dump(mon, mon_cmds, "", name);
 426         if (name && !strcmp(name, "log")) {
 427             const CPULogItem *item;
 428             monitor_printf(mon, "Log items (comma separated):\n");
 429             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 430             for(item = cpu_log_items; item->mask != 0; item++) {
 431                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 432             }
 433         }
 434     }
 435 }
 436
 437 static void do_help_cmd(Monitor *mon, const QDict *qdict)
 438 {
 439     help_cmd(mon, qdict_get_try_str(qdict, "name"));
 440 }
 441
 442 static void do_commit(Monitor *mon, const QDict *qdict)
 443 {
 444     int all_devices;
 445     DriveInfo *dinfo;
 446     const char *device = qdict_get_str(qdict, "device");
 447
 448     all_devices = !strcmp(device, "all");
 449     QTAILQ_FOREACH(dinfo, &drives, next) {
 450         if (!all_devices)
 451             if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
 452                 continue;
 453         bdrv_commit(dinfo->bdrv);
 454     }
 455 }
 456
 457 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
 458 {
 459     const mon_cmd_t *cmd;
 460     const char *item = qdict_get_try_str(qdict, "item");
 461
 462     if (!item) {
 463         assert(monitor_ctrl_mode(mon) == 0);
 464         goto help;
 465     }
 466
 467     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 468         if (compare_cmd(item, cmd->name))
 469             break;
 470     }
 471
 472     if (cmd->name == NULL) {
 473         if (monitor_ctrl_mode(mon)) {
 474             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 475             return;
 476         }
 477         goto help;
 478     }
 479
 480     if (monitor_handler_ported(cmd)) {
 481         cmd->mhandler.info_new(mon, ret_data);
 482
 483         if (!monitor_ctrl_mode(mon)) {
 484             /*
 485              * User Protocol function is called here, Monitor Protocol is
 486              * handled by monitor_call_handler()
 487              */
 488             if (*ret_data)
 489                 cmd->user_print(mon, *ret_data);
 490         }
 491     } else {
 492         if (monitor_ctrl_mode(mon)) {
 493             /* handler not converted yet */
 494             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 495         } else {
 496             cmd->mhandler.info(mon);
 497         }
 498     }
 499
 500     return;
 501
 502 help:
 503     help_cmd(mon, "info");
 504 }
 505
 506 /**
 507  * do_info_version(): Show QEMU version
 508  */
 509 static void do_info_version(Monitor *mon, QObject **ret_data)
 510 {
 511     *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
 512 }
 513
 514 static void do_info_name(Monitor *mon)
 515 {
 516     if (qemu_name)
 517         monitor_printf(mon, "%s\n", qemu_name);
 518 }
 519
 520 /**
 521  * do_info_commands(): List QMP available commands
 522  *
 523  * Return a QList of QStrings.
 524  */
 525 static void do_info_commands(Monitor *mon, QObject **ret_data)
 526 {
 527     QList *cmd_list;
 528     const mon_cmd_t *cmd;
 529
 530     cmd_list = qlist_new();
 531
 532     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
 533         if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
 534             qlist_append(cmd_list, qstring_from_str(cmd->name));
 535         }
 536     }
 537
 538     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 539         if (monitor_handler_ported(cmd)) {
 540             char buf[128];
 541             snprintf(buf, sizeof(buf), "query-%s", cmd->name);
 542             qlist_append(cmd_list, qstring_from_str(buf));
 543         }
 544     }
 545
 546     *ret_data = QOBJECT(cmd_list);
 547 }
 548
 549 #if defined(TARGET_I386)
 550 static void do_info_hpet(Monitor *mon)
 551 {
 552     monitor_printf(mon, "HPET is %s by QEMU\n",
 553                    (no_hpet) ? "disabled" : "enabled");
 554 }
 555 #endif
 556
 557 static void do_info_uuid(Monitor *mon)
 558 {
 559     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 560                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 561                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 562                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 563                    qemu_uuid[14], qemu_uuid[15]);
 564 }
 565
 566 /* get the current CPU defined by the user */
 567 static int mon_set_cpu(int cpu_index)
 568 {
 569     CPUState *env;
 570
 571     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 572         if (env->cpu_index == cpu_index) {
 573             cur_mon->mon_cpu = env;
 574             return 0;
 575         }
 576     }
 577     return -1;
 578 }
 579
 580 static CPUState *mon_get_cpu(void)
 581 {
 582     if (!cur_mon->mon_cpu) {
 583         mon_set_cpu(0);
 584     }
 585     cpu_synchronize_state(cur_mon->mon_cpu);
 586     return cur_mon->mon_cpu;
 587 }
 588
 589 static void do_info_registers(Monitor *mon)
 590 {
 591     CPUState *env;
 592     env = mon_get_cpu();
 593     if (!env)
 594         return;
 595 #ifdef TARGET_I386
 596     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 597                    X86_DUMP_FPU);
 598 #else
 599     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 600                    0);
 601 #endif
 602 }
 603
 604 static void print_cpu_iter(QObject *obj, void *opaque)
 605 {
 606     QDict *cpu;
 607     int active = ' ';
 608     Monitor *mon = opaque;
 609
 610     assert(qobject_type(obj) == QTYPE_QDICT);
 611     cpu = qobject_to_qdict(obj);
 612
 613     if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
 614         active = '*';
 615
 616     monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
 617
 618 #if defined(TARGET_I386)
 619     monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
 620                    (target_ulong) qdict_get_int(cpu, "pc"));
 621 #elif defined(TARGET_PPC)
 622     monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
 623                    (target_long) qdict_get_int(cpu, "nip"));
 624 #elif defined(TARGET_SPARC)
 625     monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
 626                    (target_long) qdict_get_int(cpu, "pc"));
 627     monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
 628                    (target_long) qdict_get_int(cpu, "npc"));
 629 #elif defined(TARGET_MIPS)
 630     monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
 631                    (target_long) qdict_get_int(cpu, "PC"));
 632 #endif
 633
 634     if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
 635         monitor_printf(mon, " (halted)");
 636
 637     monitor_printf(mon, "\n");
 638 }
 639
 640 static void monitor_print_cpus(Monitor *mon, const QObject *data)
 641 {
 642     QList *cpu_list;
 643
 644     assert(qobject_type(data) == QTYPE_QLIST);
 645     cpu_list = qobject_to_qlist(data);
 646     qlist_iter(cpu_list, print_cpu_iter, mon);
 647 }
 648
 649 /**
 650  * do_info_cpus(): Show CPU information
 651  *
 652  * Return a QList with a QDict for each CPU.
 653  *
 654  * For example:
 655  *
 656  * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
 657  *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
 658  */
 659 static void do_info_cpus(Monitor *mon, QObject **ret_data)
 660 {
 661     CPUState *env;
 662     QList *cpu_list;
 663
 664     cpu_list = qlist_new();
 665
 666     /* just to set the default cpu if not already done */
 667     mon_get_cpu();
 668
 669     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 670         const char *answer;
 671         QDict *cpu = qdict_new();
 672
 673         cpu_synchronize_state(env);
 674
 675         qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
 676         answer = (env == mon->mon_cpu) ? "yes" : "no";
 677         qdict_put(cpu, "current", qstring_from_str(answer));
 678
 679 #if defined(TARGET_I386)
 680         qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
 681 #elif defined(TARGET_PPC)
 682         qdict_put(cpu, "nip", qint_from_int(env->nip));
 683 #elif defined(TARGET_SPARC)
 684         qdict_put(cpu, "pc", qint_from_int(env->pc));
 685         qdict_put(cpu, "npc", qint_from_int(env->npc));
 686 #elif defined(TARGET_MIPS)
 687         qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
 688 #endif
 689         answer = env->halted ? "yes" : "no";
 690         qdict_put(cpu, "halted", qstring_from_str(answer));
 691
 692         qlist_append(cpu_list, cpu);
 693     }
 694
 695     *ret_data = QOBJECT(cpu_list);
 696 }
 697
 698 static void do_cpu_set(Monitor *mon, const QDict *qdict)
 699 {
 700     int index = qdict_get_int(qdict, "index");
 701     if (mon_set_cpu(index) < 0)
 702         monitor_printf(mon, "Invalid CPU index\n");
 703 }
 704
 705 static void do_info_jit(Monitor *mon)
 706 {
 707     dump_exec_info((FILE *)mon, monitor_fprintf);
 708 }
 709
 710 static void do_info_history(Monitor *mon)
 711 {
 712     int i;
 713     const char *str;
 714
 715     if (!mon->rs)
 716         return;
 717     i = 0;
 718     for(;;) {
 719         str = readline_get_history(mon->rs, i);
 720         if (!str)
 721             break;
 722         monitor_printf(mon, "%d: '%s'\n", i, str);
 723         i++;
 724     }
 725 }
 726
 727 #if defined(TARGET_PPC)
 728 /* XXX: not implemented in other targets */
 729 static void do_info_cpu_stats(Monitor *mon)
 730 {
 731     CPUState *env;
 732
 733     env = mon_get_cpu();
 734     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 735 }
 736 #endif
 737
 738 /**
 739  * do_quit(): Quit QEMU execution
 740  */
 741 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
 742 {
 743     exit(0);
 744 }
 745
 746 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 747 {
 748     if (bdrv_is_inserted(bs)) {
 749         if (!force) {
 750             if (!bdrv_is_removable(bs)) {
 751                 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
 752                                bdrv_get_device_name(bs));
 753                 return -1;
 754             }
 755             if (bdrv_is_locked(bs)) {
 756                 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
 757                 return -1;
 758             }
 759         }
 760         bdrv_close(bs);
 761     }
 762     return 0;
 763 }
 764
 765 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
 766 {
 767     BlockDriverState *bs;
 768     int force = qdict_get_int(qdict, "force");
 769     const char *filename = qdict_get_str(qdict, "filename");
 770
 771     bs = bdrv_find(filename);
 772     if (!bs) {
 773         qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
 774         return;
 775     }
 776     eject_device(mon, bs, force);
 777 }
 778
 779 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
 780                                 QObject **ret_data)
 781 {
 782     BlockDriverState *bs;
 783
 784     bs = bdrv_find(qdict_get_str(qdict, "device"));
 785     if (!bs) {
 786         qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
 787         return;
 788     }
 789
 790     if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
 791         qemu_error_new(QERR_INVALID_PASSWORD);
 792     }
 793 }
 794
 795 static void do_change_block(Monitor *mon, const char *device,
 796                             const char *filename, const char *fmt)
 797 {
 798     BlockDriverState *bs;
 799     BlockDriver *drv = NULL;
 800
 801     bs = bdrv_find(device);
 802     if (!bs) {
 803         monitor_printf(mon, "device not found\n");
 804         return;
 805     }
 806     if (fmt) {
 807         drv = bdrv_find_whitelisted_format(fmt);
 808         if (!drv) {
 809             monitor_printf(mon, "invalid format %s\n", fmt);
 810             return;
 811         }
 812     }
 813     if (eject_device(mon, bs, 0) < 0)
 814         return;
 815     bdrv_open2(bs, filename, 0, drv);
 816     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 817 }
 818
 819 static void change_vnc_password(Monitor *mon, const char *password)
 820 {
 821     if (vnc_display_password(NULL, password) < 0)
 822         monitor_printf(mon, "could not set VNC server password\n");
 823
 824 }
 825
 826 static void change_vnc_password_cb(Monitor *mon, const char *password,
 827                                    void *opaque)
 828 {
 829     change_vnc_password(mon, password);
 830     monitor_read_command(mon, 1);
 831 }
 832
 833 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 834 {
 835     if (strcmp(target, "passwd") == 0 ||
 836         strcmp(target, "password") == 0) {
 837         if (arg) {
 838             char password[9];
 839             strncpy(password, arg, sizeof(password));
 840             password[sizeof(password) - 1] = '\0';
 841             change_vnc_password(mon, password);
 842         } else {
 843             monitor_read_password(mon, change_vnc_password_cb, NULL);
 844         }
 845     } else {
 846         if (vnc_display_open(NULL, target) < 0)
 847             monitor_printf(mon, "could not start VNC server on %s\n", target);
 848     }
 849 }
 850
 851 static void do_change(Monitor *mon, const QDict *qdict)
 852 {
 853     const char *device = qdict_get_str(qdict, "device");
 854     const char *target = qdict_get_str(qdict, "target");
 855     const char *arg = qdict_get_try_str(qdict, "arg");
 856     if (strcmp(device, "vnc") == 0) {
 857         do_change_vnc(mon, target, arg);
 858     } else {
 859         do_change_block(mon, device, target, arg);
 860     }
 861 }
 862
 863 static void do_screen_dump(Monitor *mon, const QDict *qdict)
 864 {
 865     vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
 866 }
 867
 868 static void do_logfile(Monitor *mon, const QDict *qdict)
 869 {
 870     cpu_set_log_filename(qdict_get_str(qdict, "filename"));
 871 }
 872
 873 static void do_log(Monitor *mon, const QDict *qdict)
 874 {
 875     int mask;
 876     const char *items = qdict_get_str(qdict, "items");
 877
 878     if (!strcmp(items, "none")) {
 879         mask = 0;
 880     } else {
 881         mask = cpu_str_to_log_mask(items);
 882         if (!mask) {
 883             help_cmd(mon, "log");
 884             return;
 885         }
 886     }
 887     cpu_set_log(mask);
 888 }
 889
 890 static void do_singlestep(Monitor *mon, const QDict *qdict)
 891 {
 892     const char *option = qdict_get_try_str(qdict, "option");
 893     if (!option || !strcmp(option, "on")) {
 894         singlestep = 1;
 895     } else if (!strcmp(option, "off")) {
 896         singlestep = 0;
 897     } else {
 898         monitor_printf(mon, "unexpected option %s\n", option);
 899     }
 900 }
 901
 902 /**
 903  * do_stop(): Stop VM execution
 904  */
 905 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
 906 {
 907     vm_stop(EXCP_INTERRUPT);
 908 }
 909
 910 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 911
 912 struct bdrv_iterate_context {
 913     Monitor *mon;
 914     int err;
 915 };
 916
 917 /**
 918  * do_cont(): Resume emulation.
 919  */
 920 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
 921 {
 922     struct bdrv_iterate_context context = { mon, 0 };
 923
 924     bdrv_iterate(encrypted_bdrv_it, &context);
 925     /* only resume the vm if all keys are set and valid */
 926     if (!context.err)
 927         vm_start();
 928 }
 929
 930 static void bdrv_key_cb(void *opaque, int err)
 931 {
 932     Monitor *mon = opaque;
 933
 934     /* another key was set successfully, retry to continue */
 935     if (!err)
 936         do_cont(mon, NULL, NULL);
 937 }
 938
 939 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 940 {
 941     struct bdrv_iterate_context *context = opaque;
 942
 943     if (!context->err && bdrv_key_required(bs)) {
 944         context->err = -EBUSY;
 945         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 946                                     context->mon);
 947     }
 948 }
 949
 950 static void do_gdbserver(Monitor *mon, const QDict *qdict)
 951 {
 952     const char *device = qdict_get_try_str(qdict, "device");
 953     if (!device)
 954         device = "tcp::" DEFAULT_GDBSTUB_PORT;
 955     if (gdbserver_start(device) < 0) {
 956         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
 957                        device);
 958     } else if (strcmp(device, "none") == 0) {
 959         monitor_printf(mon, "Disabled gdbserver\n");
 960     } else {
 961         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
 962                        device);
 963     }
 964 }
 965
 966 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
 967 {
 968     const char *action = qdict_get_str(qdict, "action");
 969     if (select_watchdog_action(action) == -1) {
 970         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
 971     }
 972 }
 973
 974 static void monitor_printc(Monitor *mon, int c)
 975 {
 976     monitor_printf(mon, "'");
 977     switch(c) {
 978     case '\'':
 979         monitor_printf(mon, "\\'");
 980         break;
 981     case '\\':
 982         monitor_printf(mon, "\\\\");
 983         break;
 984     case '\n':
 985         monitor_printf(mon, "\\n");
 986         break;
 987     case '\r':
 988         monitor_printf(mon, "\\r");
 989         break;
 990     default:
 991         if (c >= 32 && c <= 126) {
 992             monitor_printf(mon, "%c", c);
 993         } else {
 994             monitor_printf(mon, "\\x%02x", c);
 995         }
 996         break;
 997     }
 998     monitor_printf(mon, "'");
 999 }
1000
1001 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1002                         target_phys_addr_t addr, int is_physical)
1003 {
1004     CPUState *env;
1005     int nb_per_line, l, line_size, i, max_digits, len;
1006     uint8_t buf[16];
1007     uint64_t v;
1008
1009     if (format == 'i') {
1010         int flags;
1011         flags = 0;
1012         env = mon_get_cpu();
1013         if (!env && !is_physical)
1014             return;
1015 #ifdef TARGET_I386
1016         if (wsize == 2) {
1017             flags = 1;
1018         } else if (wsize == 4) {
1019             flags = 0;
1020         } else {
1021             /* as default we use the current CS size */
1022             flags = 0;
1023             if (env) {
1024 #ifdef TARGET_X86_64
1025                 if ((env->efer & MSR_EFER_LMA) &&
1026                     (env->segs[R_CS].flags & DESC_L_MASK))
1027                     flags = 2;
1028                 else
1029 #endif
1030                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1031                     flags = 1;
1032             }
1033         }
1034 #endif
1035         monitor_disas(mon, env, addr, count, is_physical, flags);
1036         return;
1037     }
1038
1039     len = wsize * count;
1040     if (wsize == 1)
1041         line_size = 8;
1042     else
1043         line_size = 16;
1044     nb_per_line = line_size / wsize;
1045     max_digits = 0;
1046
1047     switch(format) {
1048     case 'o':
1049         max_digits = (wsize * 8 + 2) / 3;
1050         break;
1051     default:
1052     case 'x':
1053         max_digits = (wsize * 8) / 4;
1054         break;
1055     case 'u':
1056     case 'd':
1057         max_digits = (wsize * 8 * 10 + 32) / 33;
1058         break;
1059     case 'c':
1060         wsize = 1;
1061         break;
1062     }
1063
1064     while (len > 0) {
1065         if (is_physical)
1066             monitor_printf(mon, TARGET_FMT_plx ":", addr);
1067         else
1068             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1069         l = len;
1070         if (l > line_size)
1071             l = line_size;
1072         if (is_physical) {
1073             cpu_physical_memory_rw(addr, buf, l, 0);
1074         } else {
1075             env = mon_get_cpu();
1076             if (!env)
1077                 break;
1078             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1079                 monitor_printf(mon, " Cannot access memory\n");
1080                 break;
1081             }
1082         }
1083         i = 0;
1084         while (i < l) {
1085             switch(wsize) {
1086             default:
1087             case 1:
1088                 v = ldub_raw(buf + i);
1089                 break;
1090             case 2:
1091                 v = lduw_raw(buf + i);
1092                 break;
1093             case 4:
1094                 v = (uint32_t)ldl_raw(buf + i);
1095                 break;
1096             case 8:
1097                 v = ldq_raw(buf + i);
1098                 break;
1099             }
1100             monitor_printf(mon, " ");
1101             switch(format) {
1102             case 'o':
1103                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1104                 break;
1105             case 'x':
1106                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1107                 break;
1108             case 'u':
1109                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1110                 break;
1111             case 'd':
1112                 monitor_printf(mon, "%*" PRId64, max_digits, v);
1113                 break;
1114             case 'c':
1115                 monitor_printc(mon, v);
1116                 break;
1117             }
1118             i += wsize;
1119         }
1120         monitor_printf(mon, "\n");
1121         addr += l;
1122         len -= l;
1123     }
1124 }
1125
1126 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1127 {
1128     int count = qdict_get_int(qdict, "count");
1129     int format = qdict_get_int(qdict, "format");
1130     int size = qdict_get_int(qdict, "size");
1131     target_long addr = qdict_get_int(qdict, "addr");
1132
1133     memory_dump(mon, count, format, size, addr, 0);
1134 }
1135
1136 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1137 {
1138     int count = qdict_get_int(qdict, "count");
1139     int format = qdict_get_int(qdict, "format");
1140     int size = qdict_get_int(qdict, "size");
1141     target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1142
1143     memory_dump(mon, count, format, size, addr, 1);
1144 }
1145
1146 static void do_print(Monitor *mon, const QDict *qdict)
1147 {
1148     int format = qdict_get_int(qdict, "format");
1149     target_phys_addr_t val = qdict_get_int(qdict, "val");
1150
1151 #if TARGET_PHYS_ADDR_BITS == 32
1152     switch(format) {
1153     case 'o':
1154         monitor_printf(mon, "%#o", val);
1155         break;
1156     case 'x':
1157         monitor_printf(mon, "%#x", val);
1158         break;
1159     case 'u':
1160         monitor_printf(mon, "%u", val);
1161         break;
1162     default:
1163     case 'd':
1164         monitor_printf(mon, "%d", val);
1165         break;
1166     case 'c':
1167         monitor_printc(mon, val);
1168         break;
1169     }
1170 #else
1171     switch(format) {
1172     case 'o':
1173         monitor_printf(mon, "%#" PRIo64, val);
1174         break;
1175     case 'x':
1176         monitor_printf(mon, "%#" PRIx64, val);
1177         break;
1178     case 'u':
1179         monitor_printf(mon, "%" PRIu64, val);
1180         break;
1181     default:
1182     case 'd':
1183         monitor_printf(mon, "%" PRId64, val);
1184         break;
1185     case 'c':
1186         monitor_printc(mon, val);
1187         break;
1188     }
1189 #endif
1190     monitor_printf(mon, "\n");
1191 }
1192
1193 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1194 {
1195     FILE *f;
1196     uint32_t size = qdict_get_int(qdict, "size");
1197     const char *filename = qdict_get_str(qdict, "filename");
1198     target_long addr = qdict_get_int(qdict, "val");
1199     uint32_t l;
1200     CPUState *env;
1201     uint8_t buf[1024];
1202
1203     env = mon_get_cpu();
1204     if (!env)
1205         return;
1206
1207     f = fopen(filename, "wb");
1208     if (!f) {
1209         monitor_printf(mon, "could not open '%s'\n", filename);
1210         return;
1211     }
1212     while (size != 0) {
1213         l = sizeof(buf);
1214         if (l > size)
1215             l = size;
1216         cpu_memory_rw_debug(env, addr, buf, l, 0);
1217         fwrite(buf, 1, l, f);
1218         addr += l;
1219         size -= l;
1220     }
1221     fclose(f);
1222 }
1223
1224 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1225                                     QObject **ret_data)
1226 {
1227     FILE *f;
1228     uint32_t l;
1229     uint8_t buf[1024];
1230     uint32_t size = qdict_get_int(qdict, "size");
1231     const char *filename = qdict_get_str(qdict, "filename");
1232     target_phys_addr_t addr = qdict_get_int(qdict, "val");
1233
1234     f = fopen(filename, "wb");
1235     if (!f) {
1236         monitor_printf(mon, "could not open '%s'\n", filename);
1237         return;
1238     }
1239     while (size != 0) {
1240         l = sizeof(buf);
1241         if (l > size)
1242             l = size;
1243         cpu_physical_memory_rw(addr, buf, l, 0);
1244         fwrite(buf, 1, l, f);
1245         fflush(f);
1246         addr += l;
1247         size -= l;
1248     }
1249     fclose(f);
1250 }
1251
1252 static void do_sum(Monitor *mon, const QDict *qdict)
1253 {
1254     uint32_t addr;
1255     uint8_t buf[1];
1256     uint16_t sum;
1257     uint32_t start = qdict_get_int(qdict, "start");
1258     uint32_t size = qdict_get_int(qdict, "size");
1259
1260     sum = 0;
1261     for(addr = start; addr < (start + size); addr++) {
1262         cpu_physical_memory_rw(addr, buf, 1, 0);
1263         /* BSD sum algorithm ('sum' Unix command) */
1264         sum = (sum >> 1) | (sum << 15);
1265         sum += buf[0];
1266     }
1267     monitor_printf(mon, "%05d\n", sum);
1268 }
1269
1270 typedef struct {
1271     int keycode;
1272     const char *name;
1273 } KeyDef;
1274
1275 static const KeyDef key_defs[] = {
1276     { 0x2a, "shift" },
1277     { 0x36, "shift_r" },
1278
1279     { 0x38, "alt" },
1280     { 0xb8, "alt_r" },
1281     { 0x64, "altgr" },
1282     { 0xe4, "altgr_r" },
1283     { 0x1d, "ctrl" },
1284     { 0x9d, "ctrl_r" },
1285
1286     { 0xdd, "menu" },
1287
1288     { 0x01, "esc" },
1289
1290     { 0x02, "1" },
1291     { 0x03, "2" },
1292     { 0x04, "3" },
1293     { 0x05, "4" },
1294     { 0x06, "5" },
1295     { 0x07, "6" },
1296     { 0x08, "7" },
1297     { 0x09, "8" },
1298     { 0x0a, "9" },
1299     { 0x0b, "0" },
1300     { 0x0c, "minus" },
1301     { 0x0d, "equal" },
1302     { 0x0e, "backspace" },
1303
1304     { 0x0f, "tab" },
1305     { 0x10, "q" },
1306     { 0x11, "w" },
1307     { 0x12, "e" },
1308     { 0x13, "r" },
1309     { 0x14, "t" },
1310     { 0x15, "y" },
1311     { 0x16, "u" },
1312     { 0x17, "i" },
1313     { 0x18, "o" },
1314     { 0x19, "p" },
1315
1316     { 0x1c, "ret" },
1317
1318     { 0x1e, "a" },
1319     { 0x1f, "s" },
1320     { 0x20, "d" },
1321     { 0x21, "f" },
1322     { 0x22, "g" },
1323     { 0x23, "h" },
1324     { 0x24, "j" },
1325     { 0x25, "k" },
1326     { 0x26, "l" },
1327
1328     { 0x2c, "z" },
1329     { 0x2d, "x" },
1330     { 0x2e, "c" },
1331     { 0x2f, "v" },
1332     { 0x30, "b" },
1333     { 0x31, "n" },
1334     { 0x32, "m" },
1335     { 0x33, "comma" },
1336     { 0x34, "dot" },
1337     { 0x35, "slash" },
1338
1339     { 0x37, "asterisk" },
1340
1341     { 0x39, "spc" },
1342     { 0x3a, "caps_lock" },
1343     { 0x3b, "f1" },
1344     { 0x3c, "f2" },
1345     { 0x3d, "f3" },
1346     { 0x3e, "f4" },
1347     { 0x3f, "f5" },
1348     { 0x40, "f6" },
1349     { 0x41, "f7" },
1350     { 0x42, "f8" },
1351     { 0x43, "f9" },
1352     { 0x44, "f10" },
1353     { 0x45, "num_lock" },
1354     { 0x46, "scroll_lock" },
1355
1356     { 0xb5, "kp_divide" },
1357     { 0x37, "kp_multiply" },
1358     { 0x4a, "kp_subtract" },
1359     { 0x4e, "kp_add" },
1360     { 0x9c, "kp_enter" },
1361     { 0x53, "kp_decimal" },
1362     { 0x54, "sysrq" },
1363
1364     { 0x52, "kp_0" },
1365     { 0x4f, "kp_1" },
1366     { 0x50, "kp_2" },
1367     { 0x51, "kp_3" },
1368     { 0x4b, "kp_4" },
1369     { 0x4c, "kp_5" },
1370     { 0x4d, "kp_6" },
1371     { 0x47, "kp_7" },
1372     { 0x48, "kp_8" },
1373     { 0x49, "kp_9" },
1374
1375     { 0x56, "<" },
1376
1377     { 0x57, "f11" },
1378     { 0x58, "f12" },
1379
1380     { 0xb7, "print" },
1381
1382     { 0xc7, "home" },
1383     { 0xc9, "pgup" },
1384     { 0xd1, "pgdn" },
1385     { 0xcf, "end" },
1386
1387     { 0xcb, "left" },
1388     { 0xc8, "up" },
1389     { 0xd0, "down" },
1390     { 0xcd, "right" },
1391
1392     { 0xd2, "insert" },
1393     { 0xd3, "delete" },
1394 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1395     { 0xf0, "stop" },
1396     { 0xf1, "again" },
1397     { 0xf2, "props" },
1398     { 0xf3, "undo" },
1399     { 0xf4, "front" },
1400     { 0xf5, "copy" },
1401     { 0xf6, "open" },
1402     { 0xf7, "paste" },
1403     { 0xf8, "find" },
1404     { 0xf9, "cut" },
1405     { 0xfa, "lf" },
1406     { 0xfb, "help" },
1407     { 0xfc, "meta_l" },
1408     { 0xfd, "meta_r" },
1409     { 0xfe, "compose" },
1410 #endif
1411     { 0, NULL },
1412 };
1413
1414 static int get_keycode(const char *key)
1415 {
1416     const KeyDef *p;
1417     char *endp;
1418     int ret;
1419
1420     for(p = key_defs; p->name != NULL; p++) {
1421         if (!strcmp(key, p->name))
1422             return p->keycode;
1423     }
1424     if (strstart(key, "0x", NULL)) {
1425         ret = strtoul(key, &endp, 0);
1426         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1427             return ret;
1428     }
1429     return -1;
1430 }
1431
1432 #define MAX_KEYCODES 16
1433 static uint8_t keycodes[MAX_KEYCODES];
1434 static int nb_pending_keycodes;
1435 static QEMUTimer *key_timer;
1436
1437 static void release_keys(void *opaque)
1438 {
1439     int keycode;
1440
1441     while (nb_pending_keycodes > 0) {
1442         nb_pending_keycodes--;
1443         keycode = keycodes[nb_pending_keycodes];
1444         if (keycode & 0x80)
1445             kbd_put_keycode(0xe0);
1446         kbd_put_keycode(keycode | 0x80);
1447     }
1448 }
1449
1450 static void do_sendkey(Monitor *mon, const QDict *qdict)
1451 {
1452     char keyname_buf[16];
1453     char *separator;
1454     int keyname_len, keycode, i;
1455     const char *string = qdict_get_str(qdict, "string");
1456     int has_hold_time = qdict_haskey(qdict, "hold_time");
1457     int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1458
1459     if (nb_pending_keycodes > 0) {
1460         qemu_del_timer(key_timer);
1461         release_keys(NULL);
1462     }
1463     if (!has_hold_time)
1464         hold_time = 100;
1465     i = 0;
1466     while (1) {
1467         separator = strchr(string, '-');
1468         keyname_len = separator ? separator - string : strlen(string);
1469         if (keyname_len > 0) {
1470             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1471             if (keyname_len > sizeof(keyname_buf) - 1) {
1472                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1473                 return;
1474             }
1475             if (i == MAX_KEYCODES) {
1476                 monitor_printf(mon, "too many keys\n");
1477                 return;
1478             }
1479             keyname_buf[keyname_len] = 0;
1480             keycode = get_keycode(keyname_buf);
1481             if (keycode < 0) {
1482                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1483                 return;
1484             }
1485             keycodes[i++] = keycode;
1486         }
1487         if (!separator)
1488             break;
1489         string = separator + 1;
1490     }
1491     nb_pending_keycodes = i;
1492     /* key down events */
1493     for (i = 0; i < nb_pending_keycodes; i++) {
1494         keycode = keycodes[i];
1495         if (keycode & 0x80)
1496             kbd_put_keycode(0xe0);
1497         kbd_put_keycode(keycode & 0x7f);
1498     }
1499     /* delayed key up events */
1500     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1501                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1502 }
1503
1504 static int mouse_button_state;
1505
1506 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1507 {
1508     int dx, dy, dz;
1509     const char *dx_str = qdict_get_str(qdict, "dx_str");
1510     const char *dy_str = qdict_get_str(qdict, "dy_str");
1511     const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1512     dx = strtol(dx_str, NULL, 0);
1513     dy = strtol(dy_str, NULL, 0);
1514     dz = 0;
1515     if (dz_str)
1516         dz = strtol(dz_str, NULL, 0);
1517     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1518 }
1519
1520 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1521 {
1522     int button_state = qdict_get_int(qdict, "button_state");
1523     mouse_button_state = button_state;
1524     kbd_mouse_event(0, 0, 0, mouse_button_state);
1525 }
1526
1527 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1528 {
1529     int size = qdict_get_int(qdict, "size");
1530     int addr = qdict_get_int(qdict, "addr");
1531     int has_index = qdict_haskey(qdict, "index");
1532     uint32_t val;
1533     int suffix;
1534
1535     if (has_index) {
1536         int index = qdict_get_int(qdict, "index");
1537         cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1538         addr++;
1539     }
1540     addr &= 0xffff;
1541
1542     switch(size) {
1543     default:
1544     case 1:
1545         val = cpu_inb(addr);
1546         suffix = 'b';
1547         break;
1548     case 2:
1549         val = cpu_inw(addr);
1550         suffix = 'w';
1551         break;
1552     case 4:
1553         val = cpu_inl(addr);
1554         suffix = 'l';
1555         break;
1556     }
1557     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1558                    suffix, addr, size * 2, val);
1559 }
1560
1561 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1562 {
1563     int size = qdict_get_int(qdict, "size");
1564     int addr = qdict_get_int(qdict, "addr");
1565     int val = qdict_get_int(qdict, "val");
1566
1567     addr &= IOPORTS_MASK;
1568
1569     switch (size) {
1570     default:
1571     case 1:
1572         cpu_outb(addr, val);
1573         break;
1574     case 2:
1575         cpu_outw(addr, val);
1576         break;
1577     case 4:
1578         cpu_outl(addr, val);
1579         break;
1580     }
1581 }
1582
1583 static void do_boot_set(Monitor *mon, const QDict *qdict)
1584 {
1585     int res;
1586     const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1587
1588     res = qemu_boot_set(bootdevice);
1589     if (res == 0) {
1590         monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1591     } else if (res > 0) {
1592         monitor_printf(mon, "setting boot device list failed\n");
1593     } else {
1594         monitor_printf(mon, "no function defined to set boot device list for "
1595                        "this architecture\n");
1596     }
1597 }
1598
1599 /**
1600  * do_system_reset(): Issue a machine reset
1601  */
1602 static void do_system_reset(Monitor *mon, const QDict *qdict,
1603                             QObject **ret_data)
1604 {
1605     qemu_system_reset_request();
1606 }
1607
1608 /**
1609  * do_system_powerdown(): Issue a machine powerdown
1610  */
1611 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1612                                 QObject **ret_data)
1613 {
1614     qemu_system_powerdown_request();
1615 }
1616
1617 #if defined(TARGET_I386)
1618 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1619 {
1620     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1621                    addr,
1622                    pte & mask,
1623                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1624                    pte & PG_PSE_MASK ? 'P' : '-',
1625                    pte & PG_DIRTY_MASK ? 'D' : '-',
1626                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1627                    pte & PG_PCD_MASK ? 'C' : '-',
1628                    pte & PG_PWT_MASK ? 'T' : '-',
1629                    pte & PG_USER_MASK ? 'U' : '-',
1630                    pte & PG_RW_MASK ? 'W' : '-');
1631 }
1632
1633 static void tlb_info(Monitor *mon)
1634 {
1635     CPUState *env;
1636     int l1, l2;
1637     uint32_t pgd, pde, pte;
1638
1639     env = mon_get_cpu();
1640     if (!env)
1641         return;
1642
1643     if (!(env->cr[0] & CR0_PG_MASK)) {
1644         monitor_printf(mon, "PG disabled\n");
1645         return;
1646     }
1647     pgd = env->cr[3] & ~0xfff;
1648     for(l1 = 0; l1 < 1024; l1++) {
1649         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1650         pde = le32_to_cpu(pde);
1651         if (pde & PG_PRESENT_MASK) {
1652             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1653                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1654             } else {
1655                 for(l2 = 0; l2 < 1024; l2++) {
1656                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1657                                              (uint8_t *)&pte, 4);
1658                     pte = le32_to_cpu(pte);
1659                     if (pte & PG_PRESENT_MASK) {
1660                         print_pte(mon, (l1 << 22) + (l2 << 12),
1661                                   pte & ~PG_PSE_MASK,
1662                                   ~0xfff);
1663                     }
1664                 }
1665             }
1666         }
1667     }
1668 }
1669
1670 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1671                       uint32_t end, int prot)
1672 {
1673     int prot1;
1674     prot1 = *plast_prot;
1675     if (prot != prot1) {
1676         if (*pstart != -1) {
1677             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1678                            *pstart, end, end - *pstart,
1679                            prot1 & PG_USER_MASK ? 'u' : '-',
1680                            'r',
1681                            prot1 & PG_RW_MASK ? 'w' : '-');
1682         }
1683         if (prot != 0)
1684             *pstart = end;
1685         else
1686             *pstart = -1;
1687         *plast_prot = prot;
1688     }
1689 }
1690
1691 static void mem_info(Monitor *mon)
1692 {
1693     CPUState *env;
1694     int l1, l2, prot, last_prot;
1695     uint32_t pgd, pde, pte, start, end;
1696
1697     env = mon_get_cpu();
1698     if (!env)
1699         return;
1700
1701     if (!(env->cr[0] & CR0_PG_MASK)) {
1702         monitor_printf(mon, "PG disabled\n");
1703         return;
1704     }
1705     pgd = env->cr[3] & ~0xfff;
1706     last_prot = 0;
1707     start = -1;
1708     for(l1 = 0; l1 < 1024; l1++) {
1709         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1710         pde = le32_to_cpu(pde);
1711         end = l1 << 22;
1712         if (pde & PG_PRESENT_MASK) {
1713             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1714                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1715                 mem_print(mon, &start, &last_prot, end, prot);
1716             } else {
1717                 for(l2 = 0; l2 < 1024; l2++) {
1718                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1719                                              (uint8_t *)&pte, 4);
1720                     pte = le32_to_cpu(pte);
1721                     end = (l1 << 22) + (l2 << 12);
1722                     if (pte & PG_PRESENT_MASK) {
1723                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1724                     } else {
1725                         prot = 0;
1726                     }
1727                     mem_print(mon, &start, &last_prot, end, prot);
1728                 }
1729             }
1730         } else {
1731             prot = 0;
1732             mem_print(mon, &start, &last_prot, end, prot);
1733         }
1734     }
1735 }
1736 #endif
1737
1738 #if defined(TARGET_SH4)
1739
1740 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1741 {
1742     monitor_printf(mon, " tlb%i:\t"
1743                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1744                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1745                    "dirty=%hhu writethrough=%hhu\n",
1746                    idx,
1747                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1748                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1749                    tlb->d, tlb->wt);
1750 }
1751
1752 static void tlb_info(Monitor *mon)
1753 {
1754     CPUState *env = mon_get_cpu();
1755     int i;
1756
1757     monitor_printf (mon, "ITLB:\n");
1758     for (i = 0 ; i < ITLB_SIZE ; i++)
1759         print_tlb (mon, i, &env->itlb[i]);
1760     monitor_printf (mon, "UTLB:\n");
1761     for (i = 0 ; i < UTLB_SIZE ; i++)
1762         print_tlb (mon, i, &env->utlb[i]);
1763 }
1764
1765 #endif
1766
1767 static void do_info_kvm(Monitor *mon)
1768 {
1769 #ifdef CONFIG_KVM
1770     monitor_printf(mon, "kvm support: ");
1771     if (kvm_enabled())
1772         monitor_printf(mon, "enabled\n");
1773     else
1774         monitor_printf(mon, "disabled\n");
1775 #else
1776     monitor_printf(mon, "kvm support: not compiled\n");
1777 #endif
1778 }
1779
1780 static void do_info_numa(Monitor *mon)
1781 {
1782     int i;
1783     CPUState *env;
1784
1785     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1786     for (i = 0; i < nb_numa_nodes; i++) {
1787         monitor_printf(mon, "node %d cpus:", i);
1788         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1789             if (env->numa_node == i) {
1790                 monitor_printf(mon, " %d", env->cpu_index);
1791             }
1792         }
1793         monitor_printf(mon, "\n");
1794         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1795             node_mem[i] >> 20);
1796     }
1797 }
1798
1799 #ifdef CONFIG_PROFILER
1800
1801 int64_t qemu_time;
1802 int64_t dev_time;
1803
1804 static void do_info_profile(Monitor *mon)
1805 {
1806     int64_t total;
1807     total = qemu_time;
1808     if (total == 0)
1809         total = 1;
1810     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1811                    dev_time, dev_time / (double)get_ticks_per_sec());
1812     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1813                    qemu_time, qemu_time / (double)get_ticks_per_sec());
1814     qemu_time = 0;
1815     dev_time = 0;
1816 }
1817 #else
1818 static void do_info_profile(Monitor *mon)
1819 {
1820     monitor_printf(mon, "Internal profiler not compiled\n");
1821 }
1822 #endif
1823
1824 /* Capture support */
1825 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1826
1827 static void do_info_capture(Monitor *mon)
1828 {
1829     int i;
1830     CaptureState *s;
1831
1832     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1833         monitor_printf(mon, "[%d]: ", i);
1834         s->ops.info (s->opaque);
1835     }
1836 }
1837
1838 #ifdef HAS_AUDIO
1839 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1840 {
1841     int i;
1842     int n = qdict_get_int(qdict, "n");
1843     CaptureState *s;
1844
1845     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1846         if (i == n) {
1847             s->ops.destroy (s->opaque);
1848             QLIST_REMOVE (s, entries);
1849             qemu_free (s);
1850             return;
1851         }
1852     }
1853 }
1854
1855 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1856 {
1857     const char *path = qdict_get_str(qdict, "path");
1858     int has_freq = qdict_haskey(qdict, "freq");
1859     int freq = qdict_get_try_int(qdict, "freq", -1);
1860     int has_bits = qdict_haskey(qdict, "bits");
1861     int bits = qdict_get_try_int(qdict, "bits", -1);
1862     int has_channels = qdict_haskey(qdict, "nchannels");
1863     int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1864     CaptureState *s;
1865
1866     s = qemu_mallocz (sizeof (*s));
1867
1868     freq = has_freq ? freq : 44100;
1869     bits = has_bits ? bits : 16;
1870     nchannels = has_channels ? nchannels : 2;
1871
1872     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1873         monitor_printf(mon, "Faied to add wave capture\n");
1874         qemu_free (s);
1875     }
1876     QLIST_INSERT_HEAD (&capture_head, s, entries);
1877 }
1878 #endif
1879
1880 #if defined(TARGET_I386)
1881 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1882 {
1883     CPUState *env;
1884     int cpu_index = qdict_get_int(qdict, "cpu_index");
1885
1886     for (env = first_cpu; env != NULL; env = env->next_cpu)
1887         if (env->cpu_index == cpu_index) {
1888             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1889             break;
1890         }
1891 }
1892 #endif
1893
1894 static void do_info_status(Monitor *mon)
1895 {
1896     if (vm_running) {
1897         if (singlestep) {
1898             monitor_printf(mon, "VM status: running (single step mode)\n");
1899         } else {
1900             monitor_printf(mon, "VM status: running\n");
1901         }
1902     } else
1903        monitor_printf(mon, "VM status: paused\n");
1904 }
1905
1906 /**
1907  * do_balloon(): Request VM to change its memory allocation
1908  */
1909 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1910 {
1911     int value = qdict_get_int(qdict, "value");
1912     ram_addr_t target = value;
1913     qemu_balloon(target << 20);
1914 }
1915
1916 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1917 {
1918     monitor_printf(mon, "balloon: actual=%d\n",
1919                                      (int)qint_get_int(qobject_to_qint(data)));
1920 }
1921
1922 /**
1923  * do_info_balloon(): Balloon information
1924  */
1925 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1926 {
1927     ram_addr_t actual;
1928
1929     actual = qemu_balloon_status();
1930     if (kvm_enabled() && !kvm_has_sync_mmu())
1931         qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1932     else if (actual == 0)
1933         qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1934     else
1935         *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1936 }
1937
1938 static qemu_acl *find_acl(Monitor *mon, const char *name)
1939 {
1940     qemu_acl *acl = qemu_acl_find(name);
1941
1942     if (!acl) {
1943         monitor_printf(mon, "acl: unknown list '%s'\n", name);
1944     }
1945     return acl;
1946 }
1947
1948 static void do_acl_show(Monitor *mon, const QDict *qdict)
1949 {
1950     const char *aclname = qdict_get_str(qdict, "aclname");
1951     qemu_acl *acl = find_acl(mon, aclname);
1952     qemu_acl_entry *entry;
1953     int i = 0;
1954
1955     if (acl) {
1956         monitor_printf(mon, "policy: %s\n",
1957                        acl->defaultDeny ? "deny" : "allow");
1958         QTAILQ_FOREACH(entry, &acl->entries, next) {
1959             i++;
1960             monitor_printf(mon, "%d: %s %s\n", i,
1961                            entry->deny ? "deny" : "allow", entry->match);
1962         }
1963     }
1964 }
1965
1966 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1967 {
1968     const char *aclname = qdict_get_str(qdict, "aclname");
1969     qemu_acl *acl = find_acl(mon, aclname);
1970
1971     if (acl) {
1972         qemu_acl_reset(acl);
1973         monitor_printf(mon, "acl: removed all rules\n");
1974     }
1975 }
1976
1977 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1978 {
1979     const char *aclname = qdict_get_str(qdict, "aclname");
1980     const char *policy = qdict_get_str(qdict, "policy");
1981     qemu_acl *acl = find_acl(mon, aclname);
1982
1983     if (acl) {
1984         if (strcmp(policy, "allow") == 0) {
1985             acl->defaultDeny = 0;
1986             monitor_printf(mon, "acl: policy set to 'allow'\n");
1987         } else if (strcmp(policy, "deny") == 0) {
1988             acl->defaultDeny = 1;
1989             monitor_printf(mon, "acl: policy set to 'deny'\n");
1990         } else {
1991             monitor_printf(mon, "acl: unknown policy '%s', "
1992                            "expected 'deny' or 'allow'\n", policy);
1993         }
1994     }
1995 }
1996
1997 static void do_acl_add(Monitor *mon, const QDict *qdict)
1998 {
1999     const char *aclname = qdict_get_str(qdict, "aclname");
2000     const char *match = qdict_get_str(qdict, "match");
2001     const char *policy = qdict_get_str(qdict, "policy");
2002     int has_index = qdict_haskey(qdict, "index");
2003     int index = qdict_get_try_int(qdict, "index", -1);
2004     qemu_acl *acl = find_acl(mon, aclname);
2005     int deny, ret;
2006
2007     if (acl) {
2008         if (strcmp(policy, "allow") == 0) {
2009             deny = 0;
2010         } else if (strcmp(policy, "deny") == 0) {
2011             deny = 1;
2012         } else {
2013             monitor_printf(mon, "acl: unknown policy '%s', "
2014                            "expected 'deny' or 'allow'\n", policy);
2015             return;
2016         }
2017         if (has_index)
2018             ret = qemu_acl_insert(acl, deny, match, index);
2019         else
2020             ret = qemu_acl_append(acl, deny, match);
2021         if (ret < 0)
2022             monitor_printf(mon, "acl: unable to add acl entry\n");
2023         else
2024             monitor_printf(mon, "acl: added rule at position %d\n", ret);
2025     }
2026 }
2027
2028 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2029 {
2030     const char *aclname = qdict_get_str(qdict, "aclname");
2031     const char *match = qdict_get_str(qdict, "match");
2032     qemu_acl *acl = find_acl(mon, aclname);
2033     int ret;
2034
2035     if (acl) {
2036         ret = qemu_acl_remove(acl, match);
2037         if (ret < 0)
2038             monitor_printf(mon, "acl: no matching acl entry\n");
2039         else
2040             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2041     }
2042 }
2043
2044 #if defined(TARGET_I386)
2045 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2046 {
2047     CPUState *cenv;
2048     int cpu_index = qdict_get_int(qdict, "cpu_index");
2049     int bank = qdict_get_int(qdict, "bank");
2050     uint64_t status = qdict_get_int(qdict, "status");
2051     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2052     uint64_t addr = qdict_get_int(qdict, "addr");
2053     uint64_t misc = qdict_get_int(qdict, "misc");
2054
2055     for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2056         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2057             cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2058             break;
2059         }
2060 }
2061 #endif
2062
2063 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2064 {
2065     const char *fdname = qdict_get_str(qdict, "fdname");
2066     mon_fd_t *monfd;
2067     int fd;
2068
2069     fd = qemu_chr_get_msgfd(mon->chr);
2070     if (fd == -1) {
2071         monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2072         return;
2073     }
2074
2075     if (qemu_isdigit(fdname[0])) {
2076         monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2077         return;
2078     }
2079
2080     fd = dup(fd);
2081     if (fd == -1) {
2082         monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2083                        strerror(errno));
2084         return;
2085     }
2086
2087     QLIST_FOREACH(monfd, &mon->fds, next) {
2088         if (strcmp(monfd->name, fdname) != 0) {
2089             continue;
2090         }
2091
2092         close(monfd->fd);
2093         monfd->fd = fd;
2094         return;
2095     }
2096
2097     monfd = qemu_mallocz(sizeof(mon_fd_t));
2098     monfd->name = qemu_strdup(fdname);
2099     monfd->fd = fd;
2100
2101     QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2102 }
2103
2104 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2105 {
2106     const char *fdname = qdict_get_str(qdict, "fdname");
2107     mon_fd_t *monfd;
2108
2109     QLIST_FOREACH(monfd, &mon->fds, next) {
2110         if (strcmp(monfd->name, fdname) != 0) {
2111             continue;
2112         }
2113
2114         QLIST_REMOVE(monfd, next);
2115         close(monfd->fd);
2116         qemu_free(monfd->name);
2117         qemu_free(monfd);
2118         return;
2119     }
2120
2121     monitor_printf(mon, "Failed to find file descriptor named %s\n",
2122                    fdname);
2123 }
2124
2125 static void do_loadvm(Monitor *mon, const QDict *qdict)
2126 {
2127     int saved_vm_running  = vm_running;
2128     const char *name = qdict_get_str(qdict, "name");
2129
2130     vm_stop(0);
2131
2132     if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2133         vm_start();
2134 }
2135
2136 int monitor_get_fd(Monitor *mon, const char *fdname)
2137 {
2138     mon_fd_t *monfd;
2139
2140     QLIST_FOREACH(monfd, &mon->fds, next) {
2141         int fd;
2142
2143         if (strcmp(monfd->name, fdname) != 0) {
2144             continue;
2145         }
2146
2147         fd = monfd->fd;
2148
2149         /* caller takes ownership of fd */
2150         QLIST_REMOVE(monfd, next);
2151         qemu_free(monfd->name);
2152         qemu_free(monfd);
2153
2154         return fd;
2155     }
2156
2157     return -1;
2158 }
2159
2160 static const mon_cmd_t mon_cmds[] = {
2161 #include "qemu-monitor.h"
2162     { NULL, NULL, },
2163 };
2164
2165 /* Please update qemu-monitor.hx when adding or changing commands */
2166 static const mon_cmd_t info_cmds[] = {
2167     {
2168         .name       = "version",
2169         .args_type  = "",
2170         .params     = "",
2171         .help       = "show the version of QEMU",
2172         .user_print = monitor_print_qobject,
2173         .mhandler.info_new = do_info_version,
2174     },
2175     {
2176         .name       = "commands",
2177         .args_type  = "",
2178         .params     = "",
2179         .help       = "list QMP available commands",
2180         .user_print = monitor_user_noop,
2181         .mhandler.info_new = do_info_commands,
2182     },
2183     {
2184         .name       = "network",
2185         .args_type  = "",
2186         .params     = "",
2187         .help       = "show the network state",
2188         .mhandler.info = do_info_network,
2189     },
2190     {
2191         .name       = "chardev",
2192         .args_type  = "",
2193         .params     = "",
2194         .help       = "show the character devices",
2195         .mhandler.info = qemu_chr_info,
2196     },
2197     {
2198         .name       = "block",
2199         .args_type  = "",
2200         .params     = "",
2201         .help       = "show the block devices",
2202         .mhandler.info = bdrv_info,
2203     },
2204     {
2205         .name       = "blockstats",
2206         .args_type  = "",
2207         .params     = "",
2208         .help       = "show block device statistics",
2209         .mhandler.info = bdrv_info_stats,
2210     },
2211     {
2212         .name       = "registers",
2213         .args_type  = "",
2214         .params     = "",
2215         .help       = "show the cpu registers",
2216         .mhandler.info = do_info_registers,
2217     },
2218     {
2219         .name       = "cpus",
2220         .args_type  = "",
2221         .params     = "",
2222         .help       = "show infos for each CPU",
2223         .user_print = monitor_print_cpus,
2224         .mhandler.info_new = do_info_cpus,
2225     },
2226     {
2227         .name       = "history",
2228         .args_type  = "",
2229         .params     = "",
2230         .help       = "show the command line history",
2231         .mhandler.info = do_info_history,
2232     },
2233     {
2234         .name       = "irq",
2235         .args_type  = "",
2236         .params     = "",
2237         .help       = "show the interrupts statistics (if available)",
2238         .mhandler.info = irq_info,
2239     },
2240     {
2241         .name       = "pic",
2242         .args_type  = "",
2243         .params     = "",
2244         .help       = "show i8259 (PIC) state",
2245         .mhandler.info = pic_info,
2246     },
2247     {
2248         .name       = "pci",
2249         .args_type  = "",
2250         .params     = "",
2251         .help       = "show PCI info",
2252         .mhandler.info = pci_info,
2253     },
2254 #if defined(TARGET_I386) || defined(TARGET_SH4)
2255     {
2256         .name       = "tlb",
2257         .args_type  = "",
2258         .params     = "",
2259         .help       = "show virtual to physical memory mappings",
2260         .mhandler.info = tlb_info,
2261     },
2262 #endif
2263 #if defined(TARGET_I386)
2264     {
2265         .name       = "mem",
2266         .args_type  = "",
2267         .params     = "",
2268         .help       = "show the active virtual memory mappings",
2269         .mhandler.info = mem_info,
2270     },
2271     {
2272         .name       = "hpet",
2273         .args_type  = "",
2274         .params     = "",
2275         .help       = "show state of HPET",
2276         .mhandler.info = do_info_hpet,
2277     },
2278 #endif
2279     {
2280         .name       = "jit",
2281         .args_type  = "",
2282         .params     = "",
2283         .help       = "show dynamic compiler info",
2284         .mhandler.info = do_info_jit,
2285     },
2286     {
2287         .name       = "kvm",
2288         .args_type  = "",
2289         .params     = "",
2290         .help       = "show KVM information",
2291         .mhandler.info = do_info_kvm,
2292     },
2293     {
2294         .name       = "numa",
2295         .args_type  = "",
2296         .params     = "",
2297         .help       = "show NUMA information",
2298         .mhandler.info = do_info_numa,
2299     },
2300     {
2301         .name       = "usb",
2302         .args_type  = "",
2303         .params     = "",
2304         .help       = "show guest USB devices",
2305         .mhandler.info = usb_info,
2306     },
2307     {
2308         .name       = "usbhost",
2309         .args_type  = "",
2310         .params     = "",
2311         .help       = "show host USB devices",
2312         .mhandler.info = usb_host_info,
2313     },
2314     {
2315         .name       = "profile",
2316         .args_type  = "",
2317         .params     = "",
2318         .help       = "show profiling information",
2319         .mhandler.info = do_info_profile,
2320     },
2321     {
2322         .name       = "capture",
2323         .args_type  = "",
2324         .params     = "",
2325         .help       = "show capture information",
2326         .mhandler.info = do_info_capture,
2327     },
2328     {
2329         .name       = "snapshots",
2330         .args_type  = "",
2331         .params     = "",
2332         .help       = "show the currently saved VM snapshots",
2333         .mhandler.info = do_info_snapshots,
2334     },
2335     {
2336         .name       = "status",
2337         .args_type  = "",
2338         .params     = "",
2339         .help       = "show the current VM status (running|paused)",
2340         .mhandler.info = do_info_status,
2341     },
2342     {
2343         .name       = "pcmcia",
2344         .args_type  = "",
2345         .params     = "",
2346         .help       = "show guest PCMCIA status",
2347         .mhandler.info = pcmcia_info,
2348     },
2349     {
2350         .name       = "mice",
2351         .args_type  = "",
2352         .params     = "",
2353         .help       = "show which guest mouse is receiving events",
2354         .mhandler.info = do_info_mice,
2355     },
2356     {
2357         .name       = "vnc",
2358         .args_type  = "",
2359         .params     = "",
2360         .help       = "show the vnc server status",
2361         .mhandler.info = do_info_vnc,
2362     },
2363     {
2364         .name       = "name",
2365         .args_type  = "",
2366         .params     = "",
2367         .help       = "show the current VM name",
2368         .mhandler.info = do_info_name,
2369     },
2370     {
2371         .name       = "uuid",
2372         .args_type  = "",
2373         .params     = "",
2374         .help       = "show the current VM UUID",
2375         .mhandler.info = do_info_uuid,
2376     },
2377 #if defined(TARGET_PPC)
2378     {
2379         .name       = "cpustats",
2380         .args_type  = "",
2381         .params     = "",
2382         .help       = "show CPU statistics",
2383         .mhandler.info = do_info_cpu_stats,
2384     },
2385 #endif
2386 #if defined(CONFIG_SLIRP)
2387     {
2388         .name       = "usernet",
2389         .args_type  = "",
2390         .params     = "",
2391         .help       = "show user network stack connection states",
2392         .mhandler.info = do_info_usernet,
2393     },
2394 #endif
2395     {
2396         .name       = "migrate",
2397         .args_type  = "",
2398         .params     = "",
2399         .help       = "show migration status",
2400         .mhandler.info = do_info_migrate,
2401     },
2402     {
2403         .name       = "balloon",
2404         .args_type  = "",
2405         .params     = "",
2406         .help       = "show balloon information",
2407         .user_print = monitor_print_balloon,
2408         .mhandler.info_new = do_info_balloon,
2409     },
2410     {
2411         .name       = "qtree",
2412         .args_type  = "",
2413         .params     = "",
2414         .help       = "show device tree",
2415         .mhandler.info = do_info_qtree,
2416     },
2417     {
2418         .name       = "qdm",
2419         .args_type  = "",
2420         .params     = "",
2421         .help       = "show qdev device model list",
2422         .mhandler.info = do_info_qdm,
2423     },
2424     {
2425         .name       = "roms",
2426         .args_type  = "",
2427         .params     = "",
2428         .help       = "show roms",
2429         .mhandler.info = do_info_roms,
2430     },
2431     {
2432         .name       = NULL,
2433     },
2434 };
2435
2436 /*******************************************************************/
2437
2438 static const char *pch;
2439 static jmp_buf expr_env;
2440
2441 #define MD_TLONG 0
2442 #define MD_I32   1
2443
2444 typedef struct MonitorDef {
2445     const char *name;
2446     int offset;
2447     target_long (*get_value)(const struct MonitorDef *md, int val);
2448     int type;
2449 } MonitorDef;
2450
2451 #if defined(TARGET_I386)
2452 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2453 {
2454     CPUState *env = mon_get_cpu();
2455     if (!env)
2456         return 0;
2457     return env->eip + env->segs[R_CS].base;
2458 }
2459 #endif
2460
2461 #if defined(TARGET_PPC)
2462 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2463 {
2464     CPUState *env = mon_get_cpu();
2465     unsigned int u;
2466     int i;
2467
2468     if (!env)
2469         return 0;
2470
2471     u = 0;
2472     for (i = 0; i < 8; i++)
2473         u |= env->crf[i] << (32 - (4 * i));
2474
2475     return u;
2476 }
2477
2478 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2479 {
2480     CPUState *env = mon_get_cpu();
2481     if (!env)
2482         return 0;
2483     return env->msr;
2484 }
2485
2486 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2487 {
2488     CPUState *env = mon_get_cpu();
2489     if (!env)
2490         return 0;
2491     return env->xer;
2492 }
2493
2494 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2495 {
2496     CPUState *env = mon_get_cpu();
2497     if (!env)
2498         return 0;
2499     return cpu_ppc_load_decr(env);
2500 }
2501
2502 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2503 {
2504     CPUState *env = mon_get_cpu();
2505     if (!env)
2506         return 0;
2507     return cpu_ppc_load_tbu(env);
2508 }
2509
2510 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2511 {
2512     CPUState *env = mon_get_cpu();
2513     if (!env)
2514         return 0;
2515     return cpu_ppc_load_tbl(env);
2516 }
2517 #endif
2518
2519 #if defined(TARGET_SPARC)
2520 #ifndef TARGET_SPARC64
2521 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2522 {
2523     CPUState *env = mon_get_cpu();
2524     if (!env)
2525         return 0;
2526     return GET_PSR(env);
2527 }
2528 #endif
2529
2530 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2531 {
2532     CPUState *env = mon_get_cpu();
2533     if (!env)
2534         return 0;
2535     return env->regwptr[val];
2536 }
2537 #endif
2538
2539 static const MonitorDef monitor_defs[] = {
2540 #ifdef TARGET_I386
2541
2542 #define SEG(name, seg) \
2543     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2544     { name ".base", offsetof(CPUState, segs[seg].base) },\
2545     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2546
2547     { "eax", offsetof(CPUState, regs[0]) },
2548     { "ecx", offsetof(CPUState, regs[1]) },
2549     { "edx", offsetof(CPUState, regs[2]) },
2550     { "ebx", offsetof(CPUState, regs[3]) },
2551     { "esp|sp", offsetof(CPUState, regs[4]) },
2552     { "ebp|fp", offsetof(CPUState, regs[5]) },
2553     { "esi", offsetof(CPUState, regs[6]) },
2554     { "edi", offsetof(CPUState, regs[7]) },
2555 #ifdef TARGET_X86_64
2556     { "r8", offsetof(CPUState, regs[8]) },
2557     { "r9", offsetof(CPUState, regs[9]) },
2558     { "r10", offsetof(CPUState, regs[10]) },
2559     { "r11", offsetof(CPUState, regs[11]) },
2560     { "r12", offsetof(CPUState, regs[12]) },
2561     { "r13", offsetof(CPUState, regs[13]) },
2562     { "r14", offsetof(CPUState, regs[14]) },
2563     { "r15", offsetof(CPUState, regs[15]) },
2564 #endif
2565     { "eflags", offsetof(CPUState, eflags) },
2566     { "eip", offsetof(CPUState, eip) },
2567     SEG("cs", R_CS)
2568     SEG("ds", R_DS)
2569     SEG("es", R_ES)
2570     SEG("ss", R_SS)
2571     SEG("fs", R_FS)
2572     SEG("gs", R_GS)
2573     { "pc", 0, monitor_get_pc, },
2574 #elif defined(TARGET_PPC)
2575     /* General purpose registers */
2576     { "r0", offsetof(CPUState, gpr[0]) },
2577     { "r1", offsetof(CPUState, gpr[1]) },
2578     { "r2", offsetof(CPUState, gpr[2]) },
2579     { "r3", offsetof(CPUState, gpr[3]) },
2580     { "r4", offsetof(CPUState, gpr[4]) },
2581     { "r5", offsetof(CPUState, gpr[5]) },
2582     { "r6", offsetof(CPUState, gpr[6]) },
2583     { "r7", offsetof(CPUState, gpr[7]) },
2584     { "r8", offsetof(CPUState, gpr[8]) },
2585     { "r9", offsetof(CPUState, gpr[9]) },
2586     { "r10", offsetof(CPUState, gpr[10]) },
2587     { "r11", offsetof(CPUState, gpr[11]) },
2588     { "r12", offsetof(CPUState, gpr[12]) },
2589     { "r13", offsetof(CPUState, gpr[13]) },
2590     { "r14", offsetof(CPUState, gpr[14]) },
2591     { "r15", offsetof(CPUState, gpr[15]) },
2592     { "r16", offsetof(CPUState, gpr[16]) },
2593     { "r17", offsetof(CPUState, gpr[17]) },
2594     { "r18", offsetof(CPUState, gpr[18]) },
2595     { "r19", offsetof(CPUState, gpr[19]) },
2596     { "r20", offsetof(CPUState, gpr[20]) },
2597     { "r21", offsetof(CPUState, gpr[21]) },
2598     { "r22", offsetof(CPUState, gpr[22]) },
2599     { "r23", offsetof(CPUState, gpr[23]) },
2600     { "r24", offsetof(CPUState, gpr[24]) },
2601     { "r25", offsetof(CPUState, gpr[25]) },
2602     { "r26", offsetof(CPUState, gpr[26]) },
2603     { "r27", offsetof(CPUState, gpr[27]) },
2604     { "r28", offsetof(CPUState, gpr[28]) },
2605     { "r29", offsetof(CPUState, gpr[29]) },
2606     { "r30", offsetof(CPUState, gpr[30]) },
2607     { "r31", offsetof(CPUState, gpr[31]) },
2608     /* Floating point registers */
2609     { "f0", offsetof(CPUState, fpr[0]) },
2610     { "f1", offsetof(CPUState, fpr[1]) },
2611     { "f2", offsetof(CPUState, fpr[2]) },
2612     { "f3", offsetof(CPUState, fpr[3]) },
2613     { "f4", offsetof(CPUState, fpr[4]) },
2614     { "f5", offsetof(CPUState, fpr[5]) },
2615     { "f6", offsetof(CPUState, fpr[6]) },
2616     { "f7", offsetof(CPUState, fpr[7]) },
2617     { "f8", offsetof(CPUState, fpr[8]) },
2618     { "f9", offsetof(CPUState, fpr[9]) },
2619     { "f10", offsetof(CPUState, fpr[10]) },
2620     { "f11", offsetof(CPUState, fpr[11]) },
2621     { "f12", offsetof(CPUState, fpr[12]) },
2622     { "f13", offsetof(CPUState, fpr[13]) },
2623     { "f14", offsetof(CPUState, fpr[14]) },
2624     { "f15", offsetof(CPUState, fpr[15]) },
2625     { "f16", offsetof(CPUState, fpr[16]) },
2626     { "f17", offsetof(CPUState, fpr[17]) },
2627     { "f18", offsetof(CPUState, fpr[18]) },
2628     { "f19", offsetof(CPUState, fpr[19]) },
2629     { "f20", offsetof(CPUState, fpr[20]) },
2630     { "f21", offsetof(CPUState, fpr[21]) },
2631     { "f22", offsetof(CPUState, fpr[22]) },
2632     { "f23", offsetof(CPUState, fpr[23]) },
2633     { "f24", offsetof(CPUState, fpr[24]) },
2634     { "f25", offsetof(CPUState, fpr[25]) },
2635     { "f26", offsetof(CPUState, fpr[26]) },
2636     { "f27", offsetof(CPUState, fpr[27]) },
2637     { "f28", offsetof(CPUState, fpr[28]) },
2638     { "f29", offsetof(CPUState, fpr[29]) },
2639     { "f30", offsetof(CPUState, fpr[30]) },
2640     { "f31", offsetof(CPUState, fpr[31]) },
2641     { "fpscr", offsetof(CPUState, fpscr) },
2642     /* Next instruction pointer */
2643     { "nip|pc", offsetof(CPUState, nip) },
2644     { "lr", offsetof(CPUState, lr) },
2645     { "ctr", offsetof(CPUState, ctr) },
2646     { "decr", 0, &monitor_get_decr, },
2647     { "ccr", 0, &monitor_get_ccr, },
2648     /* Machine state register */
2649     { "msr", 0, &monitor_get_msr, },
2650     { "xer", 0, &monitor_get_xer, },
2651     { "tbu", 0, &monitor_get_tbu, },
2652     { "tbl", 0, &monitor_get_tbl, },
2653 #if defined(TARGET_PPC64)
2654     /* Address space register */
2655     { "asr", offsetof(CPUState, asr) },
2656 #endif
2657     /* Segment registers */
2658     { "sdr1", offsetof(CPUState, sdr1) },
2659     { "sr0", offsetof(CPUState, sr[0]) },
2660     { "sr1", offsetof(CPUState, sr[1]) },
2661     { "sr2", offsetof(CPUState, sr[2]) },
2662     { "sr3", offsetof(CPUState, sr[3]) },
2663     { "sr4", offsetof(CPUState, sr[4]) },
2664     { "sr5", offsetof(CPUState, sr[5]) },
2665     { "sr6", offsetof(CPUState, sr[6]) },
2666     { "sr7", offsetof(CPUState, sr[7]) },
2667     { "sr8", offsetof(CPUState, sr[8]) },
2668     { "sr9", offsetof(CPUState, sr[9]) },
2669     { "sr10", offsetof(CPUState, sr[10]) },
2670     { "sr11", offsetof(CPUState, sr[11]) },
2671     { "sr12", offsetof(CPUState, sr[12]) },
2672     { "sr13", offsetof(CPUState, sr[13]) },
2673     { "sr14", offsetof(CPUState, sr[14]) },
2674     { "sr15", offsetof(CPUState, sr[15]) },
2675     /* Too lazy to put BATs and SPRs ... */
2676 #elif defined(TARGET_SPARC)
2677     { "g0", offsetof(CPUState, gregs[0]) },
2678     { "g1", offsetof(CPUState, gregs[1]) },
2679     { "g2", offsetof(CPUState, gregs[2]) },
2680     { "g3", offsetof(CPUState, gregs[3]) },
2681     { "g4", offsetof(CPUState, gregs[4]) },
2682     { "g5", offsetof(CPUState, gregs[5]) },
2683     { "g6", offsetof(CPUState, gregs[6]) },
2684     { "g7", offsetof(CPUState, gregs[7]) },
2685     { "o0", 0, monitor_get_reg },
2686     { "o1", 1, monitor_get_reg },
2687     { "o2", 2, monitor_get_reg },
2688     { "o3", 3, monitor_get_reg },
2689     { "o4", 4, monitor_get_reg },
2690     { "o5", 5, monitor_get_reg },
2691     { "o6", 6, monitor_get_reg },
2692     { "o7", 7, monitor_get_reg },
2693     { "l0", 8, monitor_get_reg },
2694     { "l1", 9, monitor_get_reg },
2695     { "l2", 10, monitor_get_reg },
2696     { "l3", 11, monitor_get_reg },
2697     { "l4", 12, monitor_get_reg },
2698     { "l5", 13, monitor_get_reg },
2699     { "l6", 14, monitor_get_reg },
2700     { "l7", 15, monitor_get_reg },
2701     { "i0", 16, monitor_get_reg },
2702     { "i1", 17, monitor_get_reg },
2703     { "i2", 18, monitor_get_reg },
2704     { "i3", 19, monitor_get_reg },
2705     { "i4", 20, monitor_get_reg },
2706     { "i5", 21, monitor_get_reg },
2707     { "i6", 22, monitor_get_reg },
2708     { "i7", 23, monitor_get_reg },
2709     { "pc", offsetof(CPUState, pc) },
2710     { "npc", offsetof(CPUState, npc) },
2711     { "y", offsetof(CPUState, y) },
2712 #ifndef TARGET_SPARC64
2713     { "psr", 0, &monitor_get_psr, },
2714     { "wim", offsetof(CPUState, wim) },
2715 #endif
2716     { "tbr", offsetof(CPUState, tbr) },
2717     { "fsr", offsetof(CPUState, fsr) },
2718     { "f0", offsetof(CPUState, fpr[0]) },
2719     { "f1", offsetof(CPUState, fpr[1]) },
2720     { "f2", offsetof(CPUState, fpr[2]) },
2721     { "f3", offsetof(CPUState, fpr[3]) },
2722     { "f4", offsetof(CPUState, fpr[4]) },
2723     { "f5", offsetof(CPUState, fpr[5]) },
2724     { "f6", offsetof(CPUState, fpr[6]) },
2725     { "f7", offsetof(CPUState, fpr[7]) },
2726     { "f8", offsetof(CPUState, fpr[8]) },
2727     { "f9", offsetof(CPUState, fpr[9]) },
2728     { "f10", offsetof(CPUState, fpr[10]) },
2729     { "f11", offsetof(CPUState, fpr[11]) },
2730     { "f12", offsetof(CPUState, fpr[12]) },
2731     { "f13", offsetof(CPUState, fpr[13]) },
2732     { "f14", offsetof(CPUState, fpr[14]) },
2733     { "f15", offsetof(CPUState, fpr[15]) },
2734     { "f16", offsetof(CPUState, fpr[16]) },
2735     { "f17", offsetof(CPUState, fpr[17]) },
2736     { "f18", offsetof(CPUState, fpr[18]) },
2737     { "f19", offsetof(CPUState, fpr[19]) },
2738     { "f20", offsetof(CPUState, fpr[20]) },
2739     { "f21", offsetof(CPUState, fpr[21]) },
2740     { "f22", offsetof(CPUState, fpr[22]) },
2741     { "f23", offsetof(CPUState, fpr[23]) },
2742     { "f24", offsetof(CPUState, fpr[24]) },
2743     { "f25", offsetof(CPUState, fpr[25]) },
2744     { "f26", offsetof(CPUState, fpr[26]) },
2745     { "f27", offsetof(CPUState, fpr[27]) },
2746     { "f28", offsetof(CPUState, fpr[28]) },
2747     { "f29", offsetof(CPUState, fpr[29]) },
2748     { "f30", offsetof(CPUState, fpr[30]) },
2749     { "f31", offsetof(CPUState, fpr[31]) },
2750 #ifdef TARGET_SPARC64
2751     { "f32", offsetof(CPUState, fpr[32]) },
2752     { "f34", offsetof(CPUState, fpr[34]) },
2753     { "f36", offsetof(CPUState, fpr[36]) },
2754     { "f38", offsetof(CPUState, fpr[38]) },
2755     { "f40", offsetof(CPUState, fpr[40]) },
2756     { "f42", offsetof(CPUState, fpr[42]) },
2757     { "f44", offsetof(CPUState, fpr[44]) },
2758     { "f46", offsetof(CPUState, fpr[46]) },
2759     { "f48", offsetof(CPUState, fpr[48]) },
2760     { "f50", offsetof(CPUState, fpr[50]) },
2761     { "f52", offsetof(CPUState, fpr[52]) },
2762     { "f54", offsetof(CPUState, fpr[54]) },
2763     { "f56", offsetof(CPUState, fpr[56]) },
2764     { "f58", offsetof(CPUState, fpr[58]) },
2765     { "f60", offsetof(CPUState, fpr[60]) },
2766     { "f62", offsetof(CPUState, fpr[62]) },
2767     { "asi", offsetof(CPUState, asi) },
2768     { "pstate", offsetof(CPUState, pstate) },
2769     { "cansave", offsetof(CPUState, cansave) },
2770     { "canrestore", offsetof(CPUState, canrestore) },
2771     { "otherwin", offsetof(CPUState, otherwin) },
2772     { "wstate", offsetof(CPUState, wstate) },
2773     { "cleanwin", offsetof(CPUState, cleanwin) },
2774     { "fprs", offsetof(CPUState, fprs) },
2775 #endif
2776 #endif
2777     { NULL },
2778 };
2779
2780 static void expr_error(Monitor *mon, const char *msg)
2781 {
2782     monitor_printf(mon, "%s\n", msg);
2783     longjmp(expr_env, 1);
2784 }
2785
2786 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2787 static int get_monitor_def(target_long *pval, const char *name)
2788 {
2789     const MonitorDef *md;
2790     void *ptr;
2791
2792     for(md = monitor_defs; md->name != NULL; md++) {
2793         if (compare_cmd(name, md->name)) {
2794             if (md->get_value) {
2795                 *pval = md->get_value(md, md->offset);
2796             } else {
2797                 CPUState *env = mon_get_cpu();
2798                 if (!env)
2799                     return -2;
2800                 ptr = (uint8_t *)env + md->offset;
2801                 switch(md->type) {
2802                 case MD_I32:
2803                     *pval = *(int32_t *)ptr;
2804                     break;
2805                 case MD_TLONG:
2806                     *pval = *(target_long *)ptr;
2807                     break;
2808                 default:
2809                     *pval = 0;
2810                     break;
2811                 }
2812             }
2813             return 0;
2814         }
2815     }
2816     return -1;
2817 }
2818
2819 static void next(void)
2820 {
2821     if (*pch != '\0') {
2822         pch++;
2823         while (qemu_isspace(*pch))
2824             pch++;
2825     }
2826 }
2827
2828 static int64_t expr_sum(Monitor *mon);
2829
2830 static int64_t expr_unary(Monitor *mon)
2831 {
2832     int64_t n;
2833     char *p;
2834     int ret;
2835
2836     switch(*pch) {
2837     case '+':
2838         next();
2839         n = expr_unary(mon);
2840         break;
2841     case '-':
2842         next();
2843         n = -expr_unary(mon);
2844         break;
2845     case '~':
2846         next();
2847         n = ~expr_unary(mon);
2848         break;
2849     case '(':
2850         next();
2851         n = expr_sum(mon);
2852         if (*pch != ')') {
2853             expr_error(mon, "')' expected");
2854         }
2855         next();
2856         break;
2857     case '\'':
2858         pch++;
2859         if (*pch == '\0')
2860             expr_error(mon, "character constant expected");
2861         n = *pch;
2862         pch++;
2863         if (*pch != '\'')
2864             expr_error(mon, "missing terminating \' character");
2865         next();
2866         break;
2867     case '$':
2868         {
2869             char buf[128], *q;
2870             target_long reg=0;
2871
2872             pch++;
2873             q = buf;
2874             while ((*pch >= 'a' && *pch <= 'z') ||
2875                    (*pch >= 'A' && *pch <= 'Z') ||
2876                    (*pch >= '0' && *pch <= '9') ||
2877                    *pch == '_' || *pch == '.') {
2878                 if ((q - buf) < sizeof(buf) - 1)
2879                     *q++ = *pch;
2880                 pch++;
2881             }
2882             while (qemu_isspace(*pch))
2883                 pch++;
2884             *q = 0;
2885             ret = get_monitor_def(&reg, buf);
2886             if (ret == -1)
2887                 expr_error(mon, "unknown register");
2888             else if (ret == -2)
2889                 expr_error(mon, "no cpu defined");
2890             n = reg;
2891         }
2892         break;
2893     case '\0':
2894         expr_error(mon, "unexpected end of expression");
2895         n = 0;
2896         break;
2897     default:
2898 #if TARGET_PHYS_ADDR_BITS > 32
2899         n = strtoull(pch, &p, 0);
2900 #else
2901         n = strtoul(pch, &p, 0);
2902 #endif
2903         if (pch == p) {
2904             expr_error(mon, "invalid char in expression");
2905         }
2906         pch = p;
2907         while (qemu_isspace(*pch))
2908             pch++;
2909         break;
2910     }
2911     return n;
2912 }
2913
2914
2915 static int64_t expr_prod(Monitor *mon)
2916 {
2917     int64_t val, val2;
2918     int op;
2919
2920     val = expr_unary(mon);
2921     for(;;) {
2922         op = *pch;
2923         if (op != '*' && op != '/' && op != '%')
2924             break;
2925         next();
2926         val2 = expr_unary(mon);
2927         switch(op) {
2928         default:
2929         case '*':
2930             val *= val2;
2931             break;
2932         case '/':
2933         case '%':
2934             if (val2 == 0)
2935                 expr_error(mon, "division by zero");
2936             if (op == '/')
2937                 val /= val2;
2938             else
2939                 val %= val2;
2940             break;
2941         }
2942     }
2943     return val;
2944 }
2945
2946 static int64_t expr_logic(Monitor *mon)
2947 {
2948     int64_t val, val2;
2949     int op;
2950
2951     val = expr_prod(mon);
2952     for(;;) {
2953         op = *pch;
2954         if (op != '&' && op != '|' && op != '^')
2955             break;
2956         next();
2957         val2 = expr_prod(mon);
2958         switch(op) {
2959         default:
2960         case '&':
2961             val &= val2;
2962             break;
2963         case '|':
2964             val |= val2;
2965             break;
2966         case '^':
2967             val ^= val2;
2968             break;
2969         }
2970     }
2971     return val;
2972 }
2973
2974 static int64_t expr_sum(Monitor *mon)
2975 {
2976     int64_t val, val2;
2977     int op;
2978
2979     val = expr_logic(mon);
2980     for(;;) {
2981         op = *pch;
2982         if (op != '+' && op != '-')
2983             break;
2984         next();
2985         val2 = expr_logic(mon);
2986         if (op == '+')
2987             val += val2;
2988         else
2989             val -= val2;
2990     }
2991     return val;
2992 }
2993
2994 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2995 {
2996     pch = *pp;
2997     if (setjmp(expr_env)) {
2998         *pp = pch;
2999         return -1;
3000     }
3001     while (qemu_isspace(*pch))
3002         pch++;
3003     *pval = expr_sum(mon);
3004     *pp = pch;
3005     return 0;
3006 }
3007
3008 static int get_str(char *buf, int buf_size, const char **pp)
3009 {
3010     const char *p;
3011     char *q;
3012     int c;
3013
3014     q = buf;
3015     p = *pp;
3016     while (qemu_isspace(*p))
3017         p++;
3018     if (*p == '\0') {
3019     fail:
3020         *q = '\0';
3021         *pp = p;
3022         return -1;
3023     }
3024     if (*p == '\"') {
3025         p++;
3026         while (*p != '\0' && *p != '\"') {
3027             if (*p == '\\') {
3028                 p++;
3029                 c = *p++;
3030                 switch(c) {
3031                 case 'n':
3032                     c = '\n';
3033                     break;
3034                 case 'r':
3035                     c = '\r';
3036                     break;
3037                 case '\\':
3038                 case '\'':
3039                 case '\"':
3040                     break;
3041                 default:
3042                     qemu_printf("unsupported escape code: '\\%c'\n", c);
3043                     goto fail;
3044                 }
3045                 if ((q - buf) < buf_size - 1) {
3046                     *q++ = c;
3047                 }
3048             } else {
3049                 if ((q - buf) < buf_size - 1) {
3050                     *q++ = *p;
3051                 }
3052                 p++;
3053             }
3054         }
3055         if (*p != '\"') {
3056             qemu_printf("unterminated string\n");
3057             goto fail;
3058         }
3059         p++;
3060     } else {
3061         while (*p != '\0' && !qemu_isspace(*p)) {
3062             if ((q - buf) < buf_size - 1) {
3063                 *q++ = *p;
3064             }
3065             p++;
3066         }
3067     }
3068     *q = '\0';
3069     *pp = p;
3070     return 0;
3071 }
3072
3073 /*
3074  * Store the command-name in cmdname, and return a pointer to
3075  * the remaining of the command string.
3076  */
3077 static const char *get_command_name(const char *cmdline,
3078                                     char *cmdname, size_t nlen)
3079 {
3080     size_t len;
3081     const char *p, *pstart;
3082
3083     p = cmdline;
3084     while (qemu_isspace(*p))
3085         p++;
3086     if (*p == '\0')
3087         return NULL;
3088     pstart = p;
3089     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3090         p++;
3091     len = p - pstart;
3092     if (len > nlen - 1)
3093         len = nlen - 1;
3094     memcpy(cmdname, pstart, len);
3095     cmdname[len] = '\0';
3096     return p;
3097 }
3098
3099 /**
3100  * Read key of 'type' into 'key' and return the current
3101  * 'type' pointer.
3102  */
3103 static char *key_get_info(const char *type, char **key)
3104 {
3105     size_t len;
3106     char *p, *str;
3107
3108     if (*type == ',')
3109         type++;
3110
3111     p = strchr(type, ':');
3112     if (!p) {
3113         *key = NULL;
3114         return NULL;
3115     }
3116     len = p - type;
3117
3118     str = qemu_malloc(len + 1);
3119     memcpy(str, type, len);
3120     str[len] = '\0';
3121
3122     *key = str;
3123     return ++p;
3124 }
3125
3126 static int default_fmt_format = 'x';
3127 static int default_fmt_size = 4;
3128
3129 #define MAX_ARGS 16
3130
3131 static int is_valid_option(const char *c, const char *typestr)
3132 {
3133     char option[3];
3134
3135     option[0] = '-';
3136     option[1] = *c;
3137     option[2] = '\0';
3138
3139     typestr = strstr(typestr, option);
3140     return (typestr != NULL);
3141 }
3142
3143 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3144 {
3145     const mon_cmd_t *cmd;
3146
3147     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3148         if (compare_cmd(cmdname, cmd->name)) {
3149             return cmd;
3150         }
3151     }
3152
3153     return NULL;
3154 }
3155
3156 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3157                                               const char *cmdline,
3158                                               QDict *qdict)
3159 {
3160     const char *p, *typestr;
3161     int c;
3162     const mon_cmd_t *cmd;
3163     char cmdname[256];
3164     char buf[1024];
3165     char *key;
3166
3167 #ifdef DEBUG
3168     monitor_printf(mon, "command='%s'\n", cmdline);
3169 #endif
3170
3171     /* extract the command name */
3172     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3173     if (!p)
3174         return NULL;
3175
3176     cmd = monitor_find_command(cmdname);
3177     if (!cmd) {
3178         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3179         return NULL;
3180     }
3181
3182     /* parse the parameters */
3183     typestr = cmd->args_type;
3184     for(;;) {
3185         typestr = key_get_info(typestr, &key);
3186         if (!typestr)
3187             break;
3188         c = *typestr;
3189         typestr++;
3190         switch(c) {
3191         case 'F':
3192         case 'B':
3193         case 's':
3194             {
3195                 int ret;
3196
3197                 while (qemu_isspace(*p))
3198                     p++;
3199                 if (*typestr == '?') {
3200                     typestr++;
3201                     if (*p == '\0') {
3202                         /* no optional string: NULL argument */
3203                         break;
3204                     }
3205                 }
3206                 ret = get_str(buf, sizeof(buf), &p);
3207                 if (ret < 0) {
3208                     switch(c) {
3209                     case 'F':
3210                         monitor_printf(mon, "%s: filename expected\n",
3211                                        cmdname);
3212                         break;
3213                     case 'B':
3214                         monitor_printf(mon, "%s: block device name expected\n",
3215                                        cmdname);
3216                         break;
3217                     default:
3218                         monitor_printf(mon, "%s: string expected\n", cmdname);
3219                         break;
3220                     }
3221                     goto fail;
3222                 }
3223                 qdict_put(qdict, key, qstring_from_str(buf));
3224             }
3225             break;
3226         case '/':
3227             {
3228                 int count, format, size;
3229
3230                 while (qemu_isspace(*p))
3231                     p++;
3232                 if (*p == '/') {
3233                     /* format found */
3234                     p++;
3235                     count = 1;
3236                     if (qemu_isdigit(*p)) {
3237                         count = 0;
3238                         while (qemu_isdigit(*p)) {
3239                             count = count * 10 + (*p - '0');
3240                             p++;
3241                         }
3242                     }
3243                     size = -1;
3244                     format = -1;
3245                     for(;;) {
3246                         switch(*p) {
3247                         case 'o':
3248                         case 'd':
3249                         case 'u':
3250                         case 'x':
3251                         case 'i':
3252                         case 'c':
3253                             format = *p++;
3254                             break;
3255                         case 'b':
3256                             size = 1;
3257                             p++;
3258                             break;
3259                         case 'h':
3260                             size = 2;
3261                             p++;
3262                             break;
3263                         case 'w':
3264                             size = 4;
3265                             p++;
3266                             break;
3267                         case 'g':
3268                         case 'L':
3269                             size = 8;
3270                             p++;
3271                             break;
3272                         default:
3273                             goto next;
3274                         }
3275                     }
3276                 next:
3277                     if (*p != '\0' && !qemu_isspace(*p)) {
3278                         monitor_printf(mon, "invalid char in format: '%c'\n",
3279                                        *p);
3280                         goto fail;
3281                     }
3282                     if (format < 0)
3283                         format = default_fmt_format;
3284                     if (format != 'i') {
3285                         /* for 'i', not specifying a size gives -1 as size */
3286                         if (size < 0)
3287                             size = default_fmt_size;
3288                         default_fmt_size = size;
3289                     }
3290                     default_fmt_format = format;
3291                 } else {
3292                     count = 1;
3293                     format = default_fmt_format;
3294                     if (format != 'i') {
3295                         size = default_fmt_size;
3296                     } else {
3297                         size = -1;
3298                     }
3299                 }
3300                 qdict_put(qdict, "count", qint_from_int(count));
3301                 qdict_put(qdict, "format", qint_from_int(format));
3302                 qdict_put(qdict, "size", qint_from_int(size));
3303             }
3304             break;
3305         case 'i':
3306         case 'l':
3307             {
3308                 int64_t val;
3309
3310                 while (qemu_isspace(*p))
3311                     p++;
3312                 if (*typestr == '?' || *typestr == '.') {
3313                     if (*typestr == '?') {
3314                         if (*p == '\0') {
3315                             typestr++;
3316                             break;
3317                         }
3318                     } else {
3319                         if (*p == '.') {
3320                             p++;
3321                             while (qemu_isspace(*p))
3322                                 p++;
3323                         } else {
3324                             typestr++;
3325                             break;
3326                         }
3327                     }
3328                     typestr++;
3329                 }
3330                 if (get_expr(mon, &val, &p))
3331                     goto fail;
3332                 /* Check if 'i' is greater than 32-bit */
3333                 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3334                     monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3335                     monitor_printf(mon, "integer is for 32-bit values\n");
3336                     goto fail;
3337                 }
3338                 qdict_put(qdict, key, qint_from_int(val));
3339             }
3340             break;
3341         case '-':
3342             {
3343                 const char *tmp = p;
3344                 int has_option, skip_key = 0;
3345                 /* option */
3346
3347                 c = *typestr++;
3348                 if (c == '\0')
3349                     goto bad_type;
3350                 while (qemu_isspace(*p))
3351                     p++;
3352                 has_option = 0;
3353                 if (*p == '-') {
3354                     p++;
3355                     if(c != *p) {
3356                         if(!is_valid_option(p, typestr)) {
3357
3358                             monitor_printf(mon, "%s: unsupported option -%c\n",
3359                                            cmdname, *p);
3360                             goto fail;
3361                         } else {
3362                             skip_key = 1;
3363                         }
3364                     }
3365                     if(skip_key) {
3366                         p = tmp;
3367                     } else {
3368                         p++;
3369                         has_option = 1;
3370                     }
3371                 }
3372                 qdict_put(qdict, key, qint_from_int(has_option));
3373             }
3374             break;
3375         default:
3376         bad_type:
3377             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3378             goto fail;
3379         }
3380         qemu_free(key);
3381         key = NULL;
3382     }
3383     /* check that all arguments were parsed */
3384     while (qemu_isspace(*p))
3385         p++;
3386     if (*p != '\0') {
3387         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3388                        cmdname);
3389         goto fail;
3390     }
3391
3392     return cmd;
3393
3394 fail:
3395     qemu_free(key);
3396     return NULL;
3397 }
3398
3399 static void monitor_print_error(Monitor *mon)
3400 {
3401     qerror_print(mon->error);
3402     QDECREF(mon->error);
3403     mon->error = NULL;
3404 }
3405
3406 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3407                                  const QDict *params)
3408 {
3409     QObject *data = NULL;
3410
3411     cmd->mhandler.cmd_new(mon, params, &data);
3412
3413     if (monitor_ctrl_mode(mon)) {
3414         /* Monitor Protocol */
3415         monitor_protocol_emitter(mon, data);
3416     } else {
3417         /* User Protocol */
3418          if (data)
3419             cmd->user_print(mon, data);
3420     }
3421
3422     qobject_decref(data);
3423 }
3424
3425 static void handle_user_command(Monitor *mon, const char *cmdline)
3426 {
3427     QDict *qdict;
3428     const mon_cmd_t *cmd;
3429
3430     qdict = qdict_new();
3431
3432     cmd = monitor_parse_command(mon, cmdline, qdict);
3433     if (!cmd)
3434         goto out;
3435
3436     qemu_errors_to_mon(mon);
3437
3438     if (monitor_handler_ported(cmd)) {
3439         monitor_call_handler(mon, cmd, qdict);
3440     } else {
3441         cmd->mhandler.cmd(mon, qdict);
3442     }
3443
3444     if (monitor_has_error(mon))
3445         monitor_print_error(mon);
3446
3447     qemu_errors_to_previous();
3448
3449 out:
3450     QDECREF(qdict);
3451 }
3452
3453 static void cmd_completion(const char *name, const char *list)
3454 {
3455     const char *p, *pstart;
3456     char cmd[128];
3457     int len;
3458
3459     p = list;
3460     for(;;) {
3461         pstart = p;
3462         p = strchr(p, '|');
3463         if (!p)
3464             p = pstart + strlen(pstart);
3465         len = p - pstart;
3466         if (len > sizeof(cmd) - 2)
3467             len = sizeof(cmd) - 2;
3468         memcpy(cmd, pstart, len);
3469         cmd[len] = '\0';
3470         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3471             readline_add_completion(cur_mon->rs, cmd);
3472         }
3473         if (*p == '\0')
3474             break;
3475         p++;
3476     }
3477 }
3478
3479 static void file_completion(const char *input)
3480 {
3481     DIR *ffs;
3482     struct dirent *d;
3483     char path[1024];
3484     char file[1024], file_prefix[1024];
3485     int input_path_len;
3486     const char *p;
3487
3488     p = strrchr(input, '/');
3489     if (!p) {
3490         input_path_len = 0;
3491         pstrcpy(file_prefix, sizeof(file_prefix), input);
3492         pstrcpy(path, sizeof(path), ".");
3493     } else {
3494         input_path_len = p - input + 1;
3495         memcpy(path, input, input_path_len);
3496         if (input_path_len > sizeof(path) - 1)
3497             input_path_len = sizeof(path) - 1;
3498         path[input_path_len] = '\0';
3499         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3500     }
3501 #ifdef DEBUG_COMPLETION
3502     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3503                    input, path, file_prefix);
3504 #endif
3505     ffs = opendir(path);
3506     if (!ffs)
3507         return;
3508     for(;;) {
3509         struct stat sb;
3510         d = readdir(ffs);
3511         if (!d)
3512             break;
3513         if (strstart(d->d_name, file_prefix, NULL)) {
3514             memcpy(file, input, input_path_len);
3515             if (input_path_len < sizeof(file))
3516                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3517                         d->d_name);
3518             /* stat the file to find out if it's a directory.
3519              * In that case add a slash to speed up typing long paths
3520              */
3521             stat(file, &sb);
3522             if(S_ISDIR(sb.st_mode))
3523                 pstrcat(file, sizeof(file), "/");
3524             readline_add_completion(cur_mon->rs, file);
3525         }
3526     }
3527     closedir(ffs);
3528 }
3529
3530 static void block_completion_it(void *opaque, BlockDriverState *bs)
3531 {
3532     const char *name = bdrv_get_device_name(bs);
3533     const char *input = opaque;
3534
3535     if (input[0] == '\0' ||
3536         !strncmp(name, (char *)input, strlen(input))) {
3537         readline_add_completion(cur_mon->rs, name);
3538     }
3539 }
3540
3541 /* NOTE: this parser is an approximate form of the real command parser */
3542 static void parse_cmdline(const char *cmdline,
3543                          int *pnb_args, char **args)
3544 {
3545     const char *p;
3546     int nb_args, ret;
3547     char buf[1024];
3548
3549     p = cmdline;
3550     nb_args = 0;
3551     for(;;) {
3552         while (qemu_isspace(*p))
3553             p++;
3554         if (*p == '\0')
3555             break;
3556         if (nb_args >= MAX_ARGS)
3557             break;
3558         ret = get_str(buf, sizeof(buf), &p);
3559         args[nb_args] = qemu_strdup(buf);
3560         nb_args++;
3561         if (ret < 0)
3562             break;
3563     }
3564     *pnb_args = nb_args;
3565 }
3566
3567 static const char *next_arg_type(const char *typestr)
3568 {
3569     const char *p = strchr(typestr, ':');
3570     return (p != NULL ? ++p : typestr);
3571 }
3572
3573 static void monitor_find_completion(const char *cmdline)
3574 {
3575     const char *cmdname;
3576     char *args[MAX_ARGS];
3577     int nb_args, i, len;
3578     const char *ptype, *str;
3579     const mon_cmd_t *cmd;
3580     const KeyDef *key;
3581
3582     parse_cmdline(cmdline, &nb_args, args);
3583 #ifdef DEBUG_COMPLETION
3584     for(i = 0; i < nb_args; i++) {
3585         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3586     }
3587 #endif
3588
3589     /* if the line ends with a space, it means we want to complete the
3590        next arg */
3591     len = strlen(cmdline);
3592     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3593         if (nb_args >= MAX_ARGS)
3594             return;
3595         args[nb_args++] = qemu_strdup("");
3596     }
3597     if (nb_args <= 1) {
3598         /* command completion */
3599         if (nb_args == 0)
3600             cmdname = "";
3601         else
3602             cmdname = args[0];
3603         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3604         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3605             cmd_completion(cmdname, cmd->name);
3606         }
3607     } else {
3608         /* find the command */
3609         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3610             if (compare_cmd(args[0], cmd->name))
3611                 goto found;
3612         }
3613         return;
3614     found:
3615         ptype = next_arg_type(cmd->args_type);
3616         for(i = 0; i < nb_args - 2; i++) {
3617             if (*ptype != '\0') {
3618                 ptype = next_arg_type(ptype);
3619                 while (*ptype == '?')
3620                     ptype = next_arg_type(ptype);
3621             }
3622         }
3623         str = args[nb_args - 1];
3624         if (*ptype == '-' && ptype[1] != '\0') {
3625             ptype += 2;
3626         }
3627         switch(*ptype) {
3628         case 'F':
3629             /* file completion */
3630             readline_set_completion_index(cur_mon->rs, strlen(str));
3631             file_completion(str);
3632             break;
3633         case 'B':
3634             /* block device name completion */
3635             readline_set_completion_index(cur_mon->rs, strlen(str));
3636             bdrv_iterate(block_completion_it, (void *)str);
3637             break;
3638         case 's':
3639             /* XXX: more generic ? */
3640             if (!strcmp(cmd->name, "info")) {
3641                 readline_set_completion_index(cur_mon->rs, strlen(str));
3642                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3643                     cmd_completion(str, cmd->name);
3644                 }
3645             } else if (!strcmp(cmd->name, "sendkey")) {
3646                 char *sep = strrchr(str, '-');
3647                 if (sep)
3648                     str = sep + 1;
3649                 readline_set_completion_index(cur_mon->rs, strlen(str));
3650                 for(key = key_defs; key->name != NULL; key++) {
3651                     cmd_completion(str, key->name);
3652                 }
3653             } else if (!strcmp(cmd->name, "help|?")) {
3654                 readline_set_completion_index(cur_mon->rs, strlen(str));
3655                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3656                     cmd_completion(str, cmd->name);
3657                 }
3658             }
3659             break;
3660         default:
3661             break;
3662         }
3663     }
3664     for(i = 0; i < nb_args; i++)
3665         qemu_free(args[i]);
3666 }
3667
3668 static int monitor_can_read(void *opaque)
3669 {
3670     Monitor *mon = opaque;
3671
3672     return (mon->suspend_cnt == 0) ? 128 : 0;
3673 }
3674
3675 typedef struct CmdArgs {
3676     QString *name;
3677     int type;
3678     int flag;
3679     int optional;
3680 } CmdArgs;
3681
3682 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3683 {
3684     if (!cmd_args->optional) {
3685         qemu_error_new(QERR_MISSING_PARAMETER, name);
3686         return -1;
3687     }
3688
3689     if (cmd_args->type == '-') {
3690         /* handlers expect a value, they need to be changed */
3691         qdict_put(args, name, qint_from_int(0));
3692     }
3693
3694     return 0;
3695 }
3696
3697 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3698 {
3699     QObject *value;
3700     const char *name;
3701
3702     name = qstring_get_str(cmd_args->name);
3703
3704     if (!args) {
3705         return check_opt(cmd_args, name, args);
3706     }
3707
3708     value = qdict_get(args, name);
3709     if (!value) {
3710         return check_opt(cmd_args, name, args);
3711     }
3712
3713     switch (cmd_args->type) {
3714         case 'F':
3715         case 'B':
3716         case 's':
3717             if (qobject_type(value) != QTYPE_QSTRING) {
3718                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3719                 return -1;
3720             }
3721             break;
3722         case '/': {
3723             int i;
3724             const char *keys[] = { "count", "format", "size", NULL };
3725
3726             for (i = 0; keys[i]; i++) {
3727                 QObject *obj = qdict_get(args, keys[i]);
3728                 if (!obj) {
3729                     qemu_error_new(QERR_MISSING_PARAMETER, name);
3730                     return -1;
3731                 }
3732                 if (qobject_type(obj) != QTYPE_QINT) {
3733                     qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3734                     return -1;
3735                 }
3736             }
3737             break;
3738         }
3739         case 'i':
3740         case 'l':
3741             if (qobject_type(value) != QTYPE_QINT) {
3742                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3743                 return -1;
3744             }
3745             break;
3746         case '-':
3747             if (qobject_type(value) != QTYPE_QINT &&
3748                 qobject_type(value) != QTYPE_QBOOL) {
3749                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3750                 return -1;
3751             }
3752             if (qobject_type(value) == QTYPE_QBOOL) {
3753                 /* handlers expect a QInt, they need to be changed */
3754                 qdict_put(args, name,
3755                          qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3756             }
3757             break;
3758         default:
3759             /* impossible */
3760             abort();
3761     }
3762
3763     return 0;
3764 }
3765
3766 static void cmd_args_init(CmdArgs *cmd_args)
3767 {
3768     cmd_args->name = qstring_new();
3769     cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3770 }
3771
3772 /*
3773  * This is not trivial, we have to parse Monitor command's argument
3774  * type syntax to be able to check the arguments provided by clients.
3775  *
3776  * In the near future we will be using an array for that and will be
3777  * able to drop all this parsing...
3778  */
3779 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3780 {
3781     int err;
3782     const char *p;
3783     CmdArgs cmd_args;
3784
3785     if (cmd->args_type == NULL) {
3786         return (qdict_size(args) == 0 ? 0 : -1);
3787     }
3788
3789     err = 0;
3790     cmd_args_init(&cmd_args);
3791
3792     for (p = cmd->args_type;; p++) {
3793         if (*p == ':') {
3794             cmd_args.type = *++p;
3795             p++;
3796             if (cmd_args.type == '-') {
3797                 cmd_args.flag = *p++;
3798                 cmd_args.optional = 1;
3799             } else if (*p == '?') {
3800                 cmd_args.optional = 1;
3801                 p++;
3802             }
3803
3804             assert(*p == ',' || *p == '\0');
3805             err = check_arg(&cmd_args, args);
3806
3807             QDECREF(cmd_args.name);
3808             cmd_args_init(&cmd_args);
3809
3810             if (err < 0) {
3811                 break;
3812             }
3813         } else {
3814             qstring_append_chr(cmd_args.name, *p);
3815         }
3816
3817         if (*p == '\0') {
3818             break;
3819         }
3820     }
3821
3822     QDECREF(cmd_args.name);
3823     return err;
3824 }
3825
3826 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3827 {
3828     int err;
3829     QObject *obj;
3830     QDict *input, *args;
3831     const mon_cmd_t *cmd;
3832     Monitor *mon = cur_mon;
3833     const char *cmd_name, *info_item;
3834
3835     args = NULL;
3836     qemu_errors_to_mon(mon);
3837
3838     obj = json_parser_parse(tokens, NULL);
3839     if (!obj) {
3840         // FIXME: should be triggered in json_parser_parse()
3841         qemu_error_new(QERR_JSON_PARSING);
3842         goto err_out;
3843     } else if (qobject_type(obj) != QTYPE_QDICT) {
3844         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3845         qobject_decref(obj);
3846         goto err_out;
3847     }
3848
3849     input = qobject_to_qdict(obj);
3850
3851     mon->mc->id = qdict_get(input, "id");
3852     qobject_incref(mon->mc->id);
3853
3854     obj = qdict_get(input, "execute");
3855     if (!obj) {
3856         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3857         goto err_input;
3858     } else if (qobject_type(obj) != QTYPE_QSTRING) {
3859         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3860         goto err_input;
3861     }
3862
3863     cmd_name = qstring_get_str(qobject_to_qstring(obj));
3864
3865     /*
3866      * XXX: We need this special case until we get info handlers
3867      * converted into 'query-' commands
3868      */
3869     if (compare_cmd(cmd_name, "info")) {
3870         qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3871         goto err_input;
3872     } else if (strstart(cmd_name, "query-", &info_item)) {
3873         cmd = monitor_find_command("info");
3874         qdict_put_obj(input, "arguments",
3875                       qobject_from_jsonf("{ 'item': %s }", info_item));
3876     } else {
3877         cmd = monitor_find_command(cmd_name);
3878         if (!cmd) {
3879             qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3880             goto err_input;
3881         }
3882     }
3883
3884     obj = qdict_get(input, "arguments");
3885     if (!obj) {
3886         args = qdict_new();
3887     } else {
3888         args = qobject_to_qdict(obj);
3889         QINCREF(args);
3890     }
3891
3892     QDECREF(input);
3893
3894     err = monitor_check_qmp_args(cmd, args);
3895     if (err < 0) {
3896         goto err_out;
3897     }
3898
3899     monitor_call_handler(mon, cmd, args);
3900     goto out;
3901
3902 err_input:
3903     QDECREF(input);
3904 err_out:
3905     monitor_protocol_emitter(mon, NULL);
3906 out:
3907     QDECREF(args);
3908     qemu_errors_to_previous();
3909 }
3910
3911 /**
3912  * monitor_control_read(): Read and handle QMP input
3913  */
3914 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3915 {
3916     Monitor *old_mon = cur_mon;
3917
3918     cur_mon = opaque;
3919
3920     json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3921
3922     cur_mon = old_mon;
3923 }
3924
3925 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3926 {
3927     Monitor *old_mon = cur_mon;
3928     int i;
3929
3930     cur_mon = opaque;
3931
3932     if (cur_mon->rs) {
3933         for (i = 0; i < size; i++)
3934             readline_handle_byte(cur_mon->rs, buf[i]);
3935     } else {
3936         if (size == 0 || buf[size - 1] != 0)
3937             monitor_printf(cur_mon, "corrupted command\n");
3938         else
3939             handle_user_command(cur_mon, (char *)buf);
3940     }
3941
3942     cur_mon = old_mon;
3943 }
3944
3945 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3946 {
3947     monitor_suspend(mon);
3948     handle_user_command(mon, cmdline);
3949     monitor_resume(mon);
3950 }
3951
3952 int monitor_suspend(Monitor *mon)
3953 {
3954     if (!mon->rs)
3955         return -ENOTTY;
3956     mon->suspend_cnt++;
3957     return 0;
3958 }
3959
3960 void monitor_resume(Monitor *mon)
3961 {
3962     if (!mon->rs)
3963         return;
3964     if (--mon->suspend_cnt == 0)
3965         readline_show_prompt(mon->rs);
3966 }
3967
3968 /**
3969  * monitor_control_event(): Print QMP gretting
3970  */
3971 static void monitor_control_event(void *opaque, int event)
3972 {
3973     if (event == CHR_EVENT_OPENED) {
3974         QObject *data;
3975         Monitor *mon = opaque;
3976
3977         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3978
3979         data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3980         assert(data != NULL);
3981
3982         monitor_json_emitter(mon, data);
3983         qobject_decref(data);
3984     }
3985 }
3986
3987 static void monitor_event(void *opaque, int event)
3988 {
3989     Monitor *mon = opaque;
3990
3991     switch (event) {
3992     case CHR_EVENT_MUX_IN:
3993         mon->mux_out = 0;
3994         if (mon->reset_seen) {
3995             readline_restart(mon->rs);
3996             monitor_resume(mon);
3997             monitor_flush(mon);
3998         } else {
3999             mon->suspend_cnt = 0;
4000         }
4001         break;
4002
4003     case CHR_EVENT_MUX_OUT:
4004         if (mon->reset_seen) {
4005             if (mon->suspend_cnt == 0) {
4006                 monitor_printf(mon, "\n");
4007             }
4008             monitor_flush(mon);
4009             monitor_suspend(mon);
4010         } else {
4011             mon->suspend_cnt++;
4012         }
4013         mon->mux_out = 1;
4014         break;
4015
4016     case CHR_EVENT_OPENED:
4017         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4018                        "information\n", QEMU_VERSION);
4019         if (!mon->mux_out) {
4020             readline_show_prompt(mon->rs);
4021         }
4022         mon->reset_seen = 1;
4023         break;
4024     }
4025 }
4026
4027
4028 /*
4029  * Local variables:
4030  *  c-indent-level: 4
4031  *  c-basic-offset: 4
4032  *  tab-width: 8
4033  * End:
4034  */
4035
4036 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4037 {
4038     const char *dev;
4039
4040     if (strstart(cmdline, "control,", &dev)) {
4041         if (strstart(dev, "vc", NULL)) {
4042             fprintf(stderr, "qemu: control mode is for low-level interaction ");
4043             fprintf(stderr, "cannot be used with device 'vc'\n");
4044             exit(1);
4045         }
4046         *flags &= ~MONITOR_USE_READLINE;
4047         *flags |= MONITOR_USE_CONTROL;
4048         return dev;
4049     }
4050
4051     return cmdline;
4052 }
4053
4054 void monitor_init(CharDriverState *chr, int flags)
4055 {
4056     static int is_first_init = 1;
4057     Monitor *mon;
4058
4059     if (is_first_init) {
4060         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4061         is_first_init = 0;
4062     }
4063
4064     mon = qemu_mallocz(sizeof(*mon));
4065
4066     mon->chr = chr;
4067     mon->flags = flags;
4068     if (flags & MONITOR_USE_READLINE) {
4069         mon->rs = readline_init(mon, monitor_find_completion);
4070         monitor_read_command(mon, 0);
4071     }
4072
4073     if (monitor_ctrl_mode(mon)) {
4074         mon->mc = qemu_mallocz(sizeof(MonitorControl));
4075         /* Control mode requires special handlers */
4076         qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4077                               monitor_control_event, mon);
4078     } else {
4079         qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4080                               monitor_event, mon);
4081     }
4082
4083     QLIST_INSERT_HEAD(&mon_list, mon, entry);
4084     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4085         cur_mon = mon;
4086 }
4087
4088 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4089 {
4090     BlockDriverState *bs = opaque;
4091     int ret = 0;
4092
4093     if (bdrv_set_key(bs, password) != 0) {
4094         monitor_printf(mon, "invalid password\n");
4095         ret = -EPERM;
4096     }
4097     if (mon->password_completion_cb)
4098         mon->password_completion_cb(mon->password_opaque, ret);
4099
4100     monitor_read_command(mon, 1);
4101 }
4102
4103 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4104                                  BlockDriverCompletionFunc *completion_cb,
4105                                  void *opaque)
4106 {
4107     int err;
4108
4109     if (!bdrv_key_required(bs)) {
4110         if (completion_cb)
4111             completion_cb(opaque, 0);
4112         return;
4113     }
4114
4115     if (monitor_ctrl_mode(mon)) {
4116         qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4117         return;
4118     }
4119
4120     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4121                    bdrv_get_encrypted_filename(bs));
4122
4123     mon->password_completion_cb = completion_cb;
4124     mon->password_opaque = opaque;
4125
4126     err = monitor_read_password(mon, bdrv_password_cb, bs);
4127
4128     if (err && completion_cb)
4129         completion_cb(opaque, err);
4130 }
4131
4132 typedef struct QemuErrorSink QemuErrorSink;
4133 struct QemuErrorSink {
4134     enum {
4135         ERR_SINK_FILE,
4136         ERR_SINK_MONITOR,
4137     } dest;
4138     union {
4139         FILE    *fp;
4140         Monitor *mon;
4141     };
4142     QemuErrorSink *previous;
4143 };
4144
4145 static QemuErrorSink *qemu_error_sink;
4146
4147 void qemu_errors_to_file(FILE *fp)
4148 {
4149     QemuErrorSink *sink;
4150
4151     sink = qemu_mallocz(sizeof(*sink));
4152     sink->dest = ERR_SINK_FILE;
4153     sink->fp = fp;
4154     sink->previous = qemu_error_sink;
4155     qemu_error_sink = sink;
4156 }
4157
4158 void qemu_errors_to_mon(Monitor *mon)
4159 {
4160     QemuErrorSink *sink;
4161
4162     sink = qemu_mallocz(sizeof(*sink));
4163     sink->dest = ERR_SINK_MONITOR;
4164     sink->mon = mon;
4165     sink->previous = qemu_error_sink;
4166     qemu_error_sink = sink;
4167 }
4168
4169 void qemu_errors_to_previous(void)
4170 {
4171     QemuErrorSink *sink;
4172
4173     assert(qemu_error_sink != NULL);
4174     sink = qemu_error_sink;
4175     qemu_error_sink = sink->previous;
4176     qemu_free(sink);
4177 }
4178
4179 void qemu_error(const char *fmt, ...)
4180 {
4181     va_list args;
4182
4183     assert(qemu_error_sink != NULL);
4184     switch (qemu_error_sink->dest) {
4185     case ERR_SINK_FILE:
4186         va_start(args, fmt);
4187         vfprintf(qemu_error_sink->fp, fmt, args);
4188         va_end(args);
4189         break;
4190     case ERR_SINK_MONITOR:
4191         va_start(args, fmt);
4192         monitor_vprintf(qemu_error_sink->mon, fmt, args);
4193         va_end(args);
4194         break;
4195     }
4196 }
4197
4198 void qemu_error_internal(const char *file, int linenr, const char *func,
4199                          const char *fmt, ...)
4200 {
4201     va_list va;
4202     QError *qerror;
4203
4204     assert(qemu_error_sink != NULL);
4205
4206     va_start(va, fmt);
4207     qerror = qerror_from_info(file, linenr, func, fmt, &va);
4208     va_end(va);
4209
4210     switch (qemu_error_sink->dest) {
4211     case ERR_SINK_FILE:
4212         qerror_print(qerror);
4213         QDECREF(qerror);
4214         break;
4215     case ERR_SINK_MONITOR:
4216         assert(qemu_error_sink->mon->error == NULL);
4217         qemu_error_sink->mon->error = qerror;
4218         break;
4219     }
4220 }