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