monitor.c

   1 /*
   2  * QEMU monitor
   3  *
   4  * Copyright (c) 2003-2004 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <dirent.h>
  25 #include "hw/hw.h"
  26 #include "hw/qdev.h"
  27 #include "hw/usb.h"
  28 #include "hw/pcmcia.h"
  29 #include "hw/pc.h"
  30 #include "hw/pci.h"
  31 #include "hw/watchdog.h"
  32 #include "hw/loader.h"
  33 #include "gdbstub.h"
  34 #include "net.h"
  35 #include "net/slirp.h"
  36 #include "qemu-char.h"
  37 #include "sysemu.h"
  38 #include "monitor.h"
  39 #include "readline.h"
  40 #include "console.h"
  41 #include "block.h"
  42 #include "audio/audio.h"
  43 #include "disas.h"
  44 #include "balloon.h"
  45 #include "qemu-timer.h"
  46 #include "migration.h"
  47 #include "kvm.h"
  48 #include "acl.h"
  49 #include "qint.h"
  50 #include "qlist.h"
  51 #include "qdict.h"
  52 #include "qbool.h"
  53 #include "qstring.h"
  54 #include "qerror.h"
  55 #include "qjson.h"
  56 #include "json-streamer.h"
  57 #include "json-parser.h"
  58 #include "osdep.h"
  59
  60 //#define DEBUG
  61 //#define DEBUG_COMPLETION
  62
  63 /*
  64  * Supported types:
  65  *
  66  * 'F'          filename
  67  * 'B'          block device name
  68  * 's'          string (accept optional quote)
  69  * 'i'          32 bit integer
  70  * 'l'          target long (32 or 64 bit)
  71  * '/'          optional gdb-like print format (like "/10x")
  72  *
  73  * '?'          optional type (for all types, except '/')
  74  * '.'          other form of optional type (for 'i' and 'l')
  75  * '-'          optional parameter (eg. '-f')
  76  *
  77  */
  78
  79 typedef struct mon_cmd_t {
  80     const char *name;
  81     const char *args_type;
  82     const char *params;
  83     const char *help;
  84     void (*user_print)(Monitor *mon, const QObject *data);
  85     union {
  86         void (*info)(Monitor *mon);
  87         void (*info_new)(Monitor *mon, QObject **ret_data);
  88         void (*cmd)(Monitor *mon, const QDict *qdict);
  89         void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
  90     } mhandler;
  91 } mon_cmd_t;
  92
  93 /* file descriptors passed via SCM_RIGHTS */
  94 typedef struct mon_fd_t mon_fd_t;
  95 struct mon_fd_t {
  96     char *name;
  97     int fd;
  98     QLIST_ENTRY(mon_fd_t) next;
  99 };
 100
 101 typedef struct MonitorControl {
 102     QObject *id;
 103     int print_enabled;
 104     JSONMessageParser parser;
 105 } MonitorControl;
 106
 107 struct Monitor {
 108     CharDriverState *chr;
 109     int mux_out;
 110     int reset_seen;
 111     int flags;
 112     int suspend_cnt;
 113     uint8_t outbuf[1024];
 114     int outbuf_index;
 115     ReadLineState *rs;
 116     MonitorControl *mc;
 117     CPUState *mon_cpu;
 118     BlockDriverCompletionFunc *password_completion_cb;
 119     void *password_opaque;
 120     QError *error;
 121     QLIST_HEAD(,mon_fd_t) fds;
 122     QLIST_ENTRY(Monitor) entry;
 123 };
 124
 125 static QLIST_HEAD(mon_list, Monitor) mon_list;
 126
 127 static const mon_cmd_t mon_cmds[];
 128 static const mon_cmd_t info_cmds[];
 129
 130 Monitor *cur_mon = NULL;
 131
 132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
 133                                void *opaque);
 134
 135 /* Return true if in control mode, false otherwise */
 136 static inline int monitor_ctrl_mode(const Monitor *mon)
 137 {
 138     return (mon->flags & MONITOR_USE_CONTROL);
 139 }
 140
 141 static void monitor_read_command(Monitor *mon, int show_prompt)
 142 {
 143     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
 144     if (show_prompt)
 145         readline_show_prompt(mon->rs);
 146 }
 147
 148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 149                                  void *opaque)
 150 {
 151     if (monitor_ctrl_mode(mon)) {
 152         qemu_error_new(QERR_MISSING_PARAMETER, "password");
 153         return -EINVAL;
 154     } else if (mon->rs) {
 155         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 156         /* prompt is printed on return from the command handler */
 157         return 0;
 158     } else {
 159         monitor_printf(mon, "terminal does not support password prompting\n");
 160         return -ENOTTY;
 161     }
 162 }
 163
 164 void monitor_flush(Monitor *mon)
 165 {
 166     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
 167         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 168         mon->outbuf_index = 0;
 169     }
 170 }
 171
 172 /* flush at every end of line or if the buffer is full */
 173 static void monitor_puts(Monitor *mon, const char *str)
 174 {
 175     char c;
 176
 177     if (!mon)
 178         return;
 179
 180     for(;;) {
 181         c = *str++;
 182         if (c == '\0')
 183             break;
 184         if (c == '\n')
 185             mon->outbuf[mon->outbuf_index++] = '\r';
 186         mon->outbuf[mon->outbuf_index++] = c;
 187         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 188             || c == '\n')
 189             monitor_flush(mon);
 190     }
 191 }
 192
 193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 194 {
 195     if (mon->mc && !mon->mc->print_enabled) {
 196         qemu_error_new(QERR_UNDEFINED_ERROR);
 197     } else {
 198         char buf[4096];
 199         vsnprintf(buf, sizeof(buf), fmt, ap);
 200         monitor_puts(mon, buf);
 201     }
 202 }
 203
 204 void monitor_printf(Monitor *mon, const char *fmt, ...)
 205 {
 206     va_list ap;
 207     va_start(ap, fmt);
 208     monitor_vprintf(mon, fmt, ap);
 209     va_end(ap);
 210 }
 211
 212 void monitor_print_filename(Monitor *mon, const char *filename)
 213 {
 214     int i;
 215
 216     for (i = 0; filename[i]; i++) {
 217         switch (filename[i]) {
 218         case ' ':
 219         case '"':
 220         case '\\':
 221             monitor_printf(mon, "\\%c", filename[i]);
 222             break;
 223         case '\t':
 224             monitor_printf(mon, "\\t");
 225             break;
 226         case '\r':
 227             monitor_printf(mon, "\\r");
 228             break;
 229         case '\n':
 230             monitor_printf(mon, "\\n");
 231             break;
 232         default:
 233             monitor_printf(mon, "%c", filename[i]);
 234             break;
 235         }
 236     }
 237 }
 238
 239 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
 240 {
 241     va_list ap;
 242     va_start(ap, fmt);
 243     monitor_vprintf((Monitor *)stream, fmt, ap);
 244     va_end(ap);
 245     return 0;
 246 }
 247
 248 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
 249
 250 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
 251 {
 252     return cmd->user_print != NULL;
 253 }
 254
 255 static inline int monitor_has_error(const Monitor *mon)
 256 {
 257     return mon->error != NULL;
 258 }
 259
 260 static void monitor_print_qobject(Monitor *mon, const QObject *data)
 261 {
 262     switch (qobject_type(data)) {
 263         case QTYPE_QSTRING:
 264             monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
 265             break;
 266         case QTYPE_QINT:
 267             monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
 268             break;
 269         default:
 270             monitor_printf(mon, "ERROR: unsupported type: %d",
 271                                                         qobject_type(data));
 272             break;
 273     }
 274
 275     monitor_puts(mon, "\n");
 276 }
 277
 278 static void monitor_json_emitter(Monitor *mon, const QObject *data)
 279 {
 280     QString *json;
 281
 282     json = qobject_to_json(data);
 283     assert(json != NULL);
 284
 285     mon->mc->print_enabled = 1;
 286     monitor_printf(mon, "%s\n", qstring_get_str(json));
 287     mon->mc->print_enabled = 0;
 288
 289     QDECREF(json);
 290 }
 291
 292 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
 293 {
 294     QDict *qmp;
 295
 296     qmp = qdict_new();
 297
 298     if (!monitor_has_error(mon)) {
 299         /* success response */
 300         if (data) {
 301             qobject_incref(data);
 302             qdict_put_obj(qmp, "return", data);
 303         } else {
 304             qdict_put(qmp, "return", qstring_from_str("OK"));
 305         }
 306     } else {
 307         /* error response */
 308         qdict_put(qmp, "error", mon->error->error);
 309         QINCREF(mon->error->error);
 310         QDECREF(mon->error);
 311         mon->error = NULL;
 312     }
 313
 314     if (mon->mc->id) {
 315         qdict_put_obj(qmp, "id", mon->mc->id);
 316         mon->mc->id = NULL;
 317     }
 318
 319     monitor_json_emitter(mon, QOBJECT(qmp));
 320     QDECREF(qmp);
 321 }
 322
 323 static void timestamp_put(QDict *qdict)
 324 {
 325     int err;
 326     QObject *obj;
 327     qemu_timeval tv;
 328
 329     err = qemu_gettimeofday(&tv);
 330     if (err < 0)
 331         return;
 332
 333     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
 334                                 "'microseconds': %" PRId64 " }",
 335                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
 336     assert(obj != NULL);
 337
 338     qdict_put_obj(qdict, "timestamp", obj);
 339 }
 340
 341 /**
 342  * monitor_protocol_event(): Generate a Monitor event
 343  *
 344  * Event-specific data can be emitted through the (optional) 'data' parameter.
 345  */
 346 void monitor_protocol_event(MonitorEvent event, QObject *data)
 347 {
 348     QDict *qmp;
 349     const char *event_name;
 350     Monitor *mon = cur_mon;
 351
 352     assert(event < QEVENT_MAX);
 353
 354     if (!monitor_ctrl_mode(mon))
 355         return;
 356
 357     switch (event) {
 358         case QEVENT_DEBUG:
 359             event_name = "DEBUG";
 360             break;
 361         case QEVENT_SHUTDOWN:
 362             event_name = "SHUTDOWN";
 363             break;
 364         case QEVENT_RESET:
 365             event_name = "RESET";
 366             break;
 367         case QEVENT_POWERDOWN:
 368             event_name = "POWERDOWN";
 369             break;
 370         case QEVENT_STOP:
 371             event_name = "STOP";
 372             break;
 373         default:
 374             abort();
 375             break;
 376     }
 377
 378     qmp = qdict_new();
 379     timestamp_put(qmp);
 380     qdict_put(qmp, "event", qstring_from_str(event_name));
 381     if (data)
 382         qdict_put_obj(qmp, "data", data);
 383
 384     monitor_json_emitter(mon, QOBJECT(qmp));
 385     QDECREF(qmp);
 386 }
 387
 388 static int compare_cmd(const char *name, const char *list)
 389 {
 390     const char *p, *pstart;
 391     int len;
 392     len = strlen(name);
 393     p = list;
 394     for(;;) {
 395         pstart = p;
 396         p = strchr(p, '|');
 397         if (!p)
 398             p = pstart + strlen(pstart);
 399         if ((p - pstart) == len && !memcmp(pstart, name, len))
 400             return 1;
 401         if (*p == '\0')
 402             break;
 403         p++;
 404     }
 405     return 0;
 406 }
 407
 408 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 409                           const char *prefix, const char *name)
 410 {
 411     const mon_cmd_t *cmd;
 412
 413     for(cmd = cmds; cmd->name != NULL; cmd++) {
 414         if (!name || !strcmp(name, cmd->name))
 415             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 416                            cmd->params, cmd->help);
 417     }
 418 }
 419
 420 static void help_cmd(Monitor *mon, const char *name)
 421 {
 422     if (name && !strcmp(name, "info")) {
 423         help_cmd_dump(mon, info_cmds, "info ", NULL);
 424     } else {
 425         help_cmd_dump(mon, mon_cmds, "", name);
 426         if (name && !strcmp(name, "log")) {
 427             const CPULogItem *item;
 428             monitor_printf(mon, "Log items (comma separated):\n");
 429             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 430             for(item = cpu_log_items; item->mask != 0; item++) {
 431                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 432             }
 433         }
 434     }
 435 }
 436
 437 static void do_help_cmd(Monitor *mon, const QDict *qdict)
 438 {
 439     help_cmd(mon, qdict_get_try_str(qdict, "name"));
 440 }
 441
 442 static void do_commit(Monitor *mon, const QDict *qdict)
 443 {
 444     int all_devices;
 445     DriveInfo *dinfo;
 446     const char *device = qdict_get_str(qdict, "device");
 447
 448     all_devices = !strcmp(device, "all");
 449     QTAILQ_FOREACH(dinfo, &drives, next) {
 450         if (!all_devices)
 451             if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
 452                 continue;
 453         bdrv_commit(dinfo->bdrv);
 454     }
 455 }
 456
 457 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
 458 {
 459     const mon_cmd_t *cmd;
 460     const char *item = qdict_get_try_str(qdict, "item");
 461
 462     if (!item) {
 463         assert(monitor_ctrl_mode(mon) == 0);
 464         goto help;
 465     }
 466
 467     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 468         if (compare_cmd(item, cmd->name))
 469             break;
 470     }
 471
 472     if (cmd->name == NULL) {
 473         if (monitor_ctrl_mode(mon)) {
 474             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 475             return;
 476         }
 477         goto help;
 478     }
 479
 480     if (monitor_handler_ported(cmd)) {
 481         cmd->mhandler.info_new(mon, ret_data);
 482
 483         if (!monitor_ctrl_mode(mon)) {
 484             /*
 485              * User Protocol function is called here, Monitor Protocol is
 486              * handled by monitor_call_handler()
 487              */
 488             if (*ret_data)
 489                 cmd->user_print(mon, *ret_data);
 490         }
 491     } else {
 492         if (monitor_ctrl_mode(mon)) {
 493             /* handler not converted yet */
 494             qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
 495         } else {
 496             cmd->mhandler.info(mon);
 497         }
 498     }
 499
 500     return;
 501
 502 help:
 503     help_cmd(mon, "info");
 504 }
 505
 506 /**
 507  * do_info_version(): Show QEMU version
 508  */
 509 static void do_info_version(Monitor *mon, QObject **ret_data)
 510 {
 511     *ret_data = QOBJECT(qstring_from_str(QEMU_VERSION QEMU_PKGVERSION));
 512 }
 513
 514 static void do_info_name(Monitor *mon)
 515 {
 516     if (qemu_name)
 517         monitor_printf(mon, "%s\n", qemu_name);
 518 }
 519
 520 /**
 521  * do_info_commands(): List QMP available commands
 522  *
 523  * Return a QList of QStrings.
 524  */
 525 static void do_info_commands(Monitor *mon, QObject **ret_data)
 526 {
 527     QList *cmd_list;
 528     const mon_cmd_t *cmd;
 529
 530     cmd_list = qlist_new();
 531
 532     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
 533         if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
 534             qlist_append(cmd_list, qstring_from_str(cmd->name));
 535         }
 536     }
 537
 538     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 539         if (monitor_handler_ported(cmd)) {
 540             char buf[128];
 541             snprintf(buf, sizeof(buf), "query-%s", cmd->name);
 542             qlist_append(cmd_list, qstring_from_str(buf));
 543         }
 544     }
 545
 546     *ret_data = QOBJECT(cmd_list);
 547 }
 548
 549 #if defined(TARGET_I386)
 550 static void do_info_hpet(Monitor *mon)
 551 {
 552     monitor_printf(mon, "HPET is %s by QEMU\n",
 553                    (no_hpet) ? "disabled" : "enabled");
 554 }
 555 #endif
 556
 557 static void do_info_uuid(Monitor *mon)
 558 {
 559     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
 560                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 561                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 562                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 563                    qemu_uuid[14], qemu_uuid[15]);
 564 }
 565
 566 /* get the current CPU defined by the user */
 567 static int mon_set_cpu(int cpu_index)
 568 {
 569     CPUState *env;
 570
 571     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 572         if (env->cpu_index == cpu_index) {
 573             cur_mon->mon_cpu = env;
 574             return 0;
 575         }
 576     }
 577     return -1;
 578 }
 579
 580 static CPUState *mon_get_cpu(void)
 581 {
 582     if (!cur_mon->mon_cpu) {
 583         mon_set_cpu(0);
 584     }
 585     cpu_synchronize_state(cur_mon->mon_cpu);
 586     return cur_mon->mon_cpu;
 587 }
 588
 589 static void do_info_registers(Monitor *mon)
 590 {
 591     CPUState *env;
 592     env = mon_get_cpu();
 593     if (!env)
 594         return;
 595 #ifdef TARGET_I386
 596     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 597                    X86_DUMP_FPU);
 598 #else
 599     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 600                    0);
 601 #endif
 602 }
 603
 604 static void print_cpu_iter(QObject *obj, void *opaque)
 605 {
 606     QDict *cpu;
 607     int active = ' ';
 608     Monitor *mon = opaque;
 609
 610     assert(qobject_type(obj) == QTYPE_QDICT);
 611     cpu = qobject_to_qdict(obj);
 612
 613     if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
 614         active = '*';
 615
 616     monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
 617
 618 #if defined(TARGET_I386)
 619     monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
 620                    (target_ulong) qdict_get_int(cpu, "pc"));
 621 #elif defined(TARGET_PPC)
 622     monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
 623                    (target_long) qdict_get_int(cpu, "nip"));
 624 #elif defined(TARGET_SPARC)
 625     monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
 626                    (target_long) qdict_get_int(cpu, "pc"));
 627     monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
 628                    (target_long) qdict_get_int(cpu, "npc"));
 629 #elif defined(TARGET_MIPS)
 630     monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
 631                    (target_long) qdict_get_int(cpu, "PC"));
 632 #endif
 633
 634     if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
 635         monitor_printf(mon, " (halted)");
 636
 637     monitor_printf(mon, "\n");
 638 }
 639
 640 static void monitor_print_cpus(Monitor *mon, const QObject *data)
 641 {
 642     QList *cpu_list;
 643
 644     assert(qobject_type(data) == QTYPE_QLIST);
 645     cpu_list = qobject_to_qlist(data);
 646     qlist_iter(cpu_list, print_cpu_iter, mon);
 647 }
 648
 649 /**
 650  * do_info_cpus(): Show CPU information
 651  *
 652  * Return a QList with a QDict for each CPU.
 653  *
 654  * For example:
 655  *
 656  * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
 657  *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
 658  */
 659 static void do_info_cpus(Monitor *mon, QObject **ret_data)
 660 {
 661     CPUState *env;
 662     QList *cpu_list;
 663
 664     cpu_list = qlist_new();
 665
 666     /* just to set the default cpu if not already done */
 667     mon_get_cpu();
 668
 669     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 670         const char *answer;
 671         QDict *cpu = qdict_new();
 672
 673         cpu_synchronize_state(env);
 674
 675         qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
 676         answer = (env == mon->mon_cpu) ? "yes" : "no";
 677         qdict_put(cpu, "current", qstring_from_str(answer));
 678
 679 #if defined(TARGET_I386)
 680         qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
 681 #elif defined(TARGET_PPC)
 682         qdict_put(cpu, "nip", qint_from_int(env->nip));
 683 #elif defined(TARGET_SPARC)
 684         qdict_put(cpu, "pc", qint_from_int(env->pc));
 685         qdict_put(cpu, "npc", qint_from_int(env->npc));
 686 #elif defined(TARGET_MIPS)
 687         qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
 688 #endif
 689         answer = env->halted ? "yes" : "no";
 690         qdict_put(cpu, "halted", qstring_from_str(answer));
 691
 692         qlist_append(cpu_list, cpu);
 693     }
 694
 695     *ret_data = QOBJECT(cpu_list);
 696 }
 697
 698 static void do_cpu_set(Monitor *mon, const QDict *qdict)
 699 {
 700     int index = qdict_get_int(qdict, "index");
 701     if (mon_set_cpu(index) < 0)
 702         monitor_printf(mon, "Invalid CPU index\n");
 703 }
 704
 705 static void do_info_jit(Monitor *mon)
 706 {
 707     dump_exec_info((FILE *)mon, monitor_fprintf);
 708 }
 709
 710 static void do_info_history(Monitor *mon)
 711 {
 712     int i;
 713     const char *str;
 714
 715     if (!mon->rs)
 716         return;
 717     i = 0;
 718     for(;;) {
 719         str = readline_get_history(mon->rs, i);
 720         if (!str)
 721             break;
 722         monitor_printf(mon, "%d: '%s'\n", i, str);
 723         i++;
 724     }
 725 }
 726
 727 #if defined(TARGET_PPC)
 728 /* XXX: not implemented in other targets */
 729 static void do_info_cpu_stats(Monitor *mon)
 730 {
 731     CPUState *env;
 732
 733     env = mon_get_cpu();
 734     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 735 }
 736 #endif
 737
 738 /**
 739  * do_quit(): Quit QEMU execution
 740  */
 741 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
 742 {
 743     exit(0);
 744 }
 745
 746 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
 747 {
 748     if (bdrv_is_inserted(bs)) {
 749         if (!force) {
 750             if (!bdrv_is_removable(bs)) {
 751                 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
 752                                bdrv_get_device_name(bs));
 753                 return -1;
 754             }
 755             if (bdrv_is_locked(bs)) {
 756                 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
 757                 return -1;
 758             }
 759         }
 760         bdrv_close(bs);
 761     }
 762     return 0;
 763 }
 764
 765 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
 766 {
 767     BlockDriverState *bs;
 768     int force = qdict_get_int(qdict, "force");
 769     const char *filename = qdict_get_str(qdict, "filename");
 770
 771     bs = bdrv_find(filename);
 772     if (!bs) {
 773         qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
 774         return;
 775     }
 776     eject_device(mon, bs, force);
 777 }
 778
 779 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
 780                                 QObject **ret_data)
 781 {
 782     BlockDriverState *bs;
 783
 784     bs = bdrv_find(qdict_get_str(qdict, "device"));
 785     if (!bs) {
 786         qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
 787         return;
 788     }
 789
 790     if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
 791         qemu_error_new(QERR_INVALID_PASSWORD);
 792     }
 793 }
 794
 795 static void do_change_block(Monitor *mon, const char *device,
 796                             const char *filename, const char *fmt)
 797 {
 798     BlockDriverState *bs;
 799     BlockDriver *drv = NULL;
 800
 801     bs = bdrv_find(device);
 802     if (!bs) {
 803         qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
 804         return;
 805     }
 806     if (fmt) {
 807         drv = bdrv_find_whitelisted_format(fmt);
 808         if (!drv) {
 809             qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
 810             return;
 811         }
 812     }
 813     if (eject_device(mon, bs, 0) < 0)
 814         return;
 815     bdrv_open2(bs, filename, 0, drv);
 816     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
 817 }
 818
 819 static void change_vnc_password(const char *password)
 820 {
 821     if (vnc_display_password(NULL, password) < 0)
 822         qemu_error_new(QERR_SET_PASSWD_FAILED);
 823
 824 }
 825
 826 static void change_vnc_password_cb(Monitor *mon, const char *password,
 827                                    void *opaque)
 828 {
 829     change_vnc_password(password);
 830     monitor_read_command(mon, 1);
 831 }
 832
 833 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 834 {
 835     if (strcmp(target, "passwd") == 0 ||
 836         strcmp(target, "password") == 0) {
 837         if (arg) {
 838             char password[9];
 839             strncpy(password, arg, sizeof(password));
 840             password[sizeof(password) - 1] = '\0';
 841             change_vnc_password(password);
 842         } else {
 843             monitor_read_password(mon, change_vnc_password_cb, NULL);
 844         }
 845     } else {
 846         if (vnc_display_open(NULL, target) < 0)
 847             qemu_error_new(QERR_VNC_SERVER_FAILED, target);
 848     }
 849 }
 850
 851 /**
 852  * do_change(): Change a removable medium, or VNC configuration
 853  */
 854 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
 855 {
 856     const char *device = qdict_get_str(qdict, "device");
 857     const char *target = qdict_get_str(qdict, "target");
 858     const char *arg = qdict_get_try_str(qdict, "arg");
 859     if (strcmp(device, "vnc") == 0) {
 860         do_change_vnc(mon, target, arg);
 861     } else {
 862         do_change_block(mon, device, target, arg);
 863     }
 864 }
 865
 866 static void do_screen_dump(Monitor *mon, const QDict *qdict)
 867 {
 868     vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
 869 }
 870
 871 static void do_logfile(Monitor *mon, const QDict *qdict)
 872 {
 873     cpu_set_log_filename(qdict_get_str(qdict, "filename"));
 874 }
 875
 876 static void do_log(Monitor *mon, const QDict *qdict)
 877 {
 878     int mask;
 879     const char *items = qdict_get_str(qdict, "items");
 880
 881     if (!strcmp(items, "none")) {
 882         mask = 0;
 883     } else {
 884         mask = cpu_str_to_log_mask(items);
 885         if (!mask) {
 886             help_cmd(mon, "log");
 887             return;
 888         }
 889     }
 890     cpu_set_log(mask);
 891 }
 892
 893 static void do_singlestep(Monitor *mon, const QDict *qdict)
 894 {
 895     const char *option = qdict_get_try_str(qdict, "option");
 896     if (!option || !strcmp(option, "on")) {
 897         singlestep = 1;
 898     } else if (!strcmp(option, "off")) {
 899         singlestep = 0;
 900     } else {
 901         monitor_printf(mon, "unexpected option %s\n", option);
 902     }
 903 }
 904
 905 /**
 906  * do_stop(): Stop VM execution
 907  */
 908 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
 909 {
 910     vm_stop(EXCP_INTERRUPT);
 911 }
 912
 913 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
 914
 915 struct bdrv_iterate_context {
 916     Monitor *mon;
 917     int err;
 918 };
 919
 920 /**
 921  * do_cont(): Resume emulation.
 922  */
 923 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
 924 {
 925     struct bdrv_iterate_context context = { mon, 0 };
 926
 927     bdrv_iterate(encrypted_bdrv_it, &context);
 928     /* only resume the vm if all keys are set and valid */
 929     if (!context.err)
 930         vm_start();
 931 }
 932
 933 static void bdrv_key_cb(void *opaque, int err)
 934 {
 935     Monitor *mon = opaque;
 936
 937     /* another key was set successfully, retry to continue */
 938     if (!err)
 939         do_cont(mon, NULL, NULL);
 940 }
 941
 942 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
 943 {
 944     struct bdrv_iterate_context *context = opaque;
 945
 946     if (!context->err && bdrv_key_required(bs)) {
 947         context->err = -EBUSY;
 948         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
 949                                     context->mon);
 950     }
 951 }
 952
 953 static void do_gdbserver(Monitor *mon, const QDict *qdict)
 954 {
 955     const char *device = qdict_get_try_str(qdict, "device");
 956     if (!device)
 957         device = "tcp::" DEFAULT_GDBSTUB_PORT;
 958     if (gdbserver_start(device) < 0) {
 959         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
 960                        device);
 961     } else if (strcmp(device, "none") == 0) {
 962         monitor_printf(mon, "Disabled gdbserver\n");
 963     } else {
 964         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
 965                        device);
 966     }
 967 }
 968
 969 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
 970 {
 971     const char *action = qdict_get_str(qdict, "action");
 972     if (select_watchdog_action(action) == -1) {
 973         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
 974     }
 975 }
 976
 977 static void monitor_printc(Monitor *mon, int c)
 978 {
 979     monitor_printf(mon, "'");
 980     switch(c) {
 981     case '\'':
 982         monitor_printf(mon, "\\'");
 983         break;
 984     case '\\':
 985         monitor_printf(mon, "\\\\");
 986         break;
 987     case '\n':
 988         monitor_printf(mon, "\\n");
 989         break;
 990     case '\r':
 991         monitor_printf(mon, "\\r");
 992         break;
 993     default:
 994         if (c >= 32 && c <= 126) {
 995             monitor_printf(mon, "%c", c);
 996         } else {
 997             monitor_printf(mon, "\\x%02x", c);
 998         }
 999         break;
1000     }
1001     monitor_printf(mon, "'");
1002 }
1003
1004 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1005                         target_phys_addr_t addr, int is_physical)
1006 {
1007     CPUState *env;
1008     int nb_per_line, l, line_size, i, max_digits, len;
1009     uint8_t buf[16];
1010     uint64_t v;
1011
1012     if (format == 'i') {
1013         int flags;
1014         flags = 0;
1015         env = mon_get_cpu();
1016         if (!env && !is_physical)
1017             return;
1018 #ifdef TARGET_I386
1019         if (wsize == 2) {
1020             flags = 1;
1021         } else if (wsize == 4) {
1022             flags = 0;
1023         } else {
1024             /* as default we use the current CS size */
1025             flags = 0;
1026             if (env) {
1027 #ifdef TARGET_X86_64
1028                 if ((env->efer & MSR_EFER_LMA) &&
1029                     (env->segs[R_CS].flags & DESC_L_MASK))
1030                     flags = 2;
1031                 else
1032 #endif
1033                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1034                     flags = 1;
1035             }
1036         }
1037 #endif
1038         monitor_disas(mon, env, addr, count, is_physical, flags);
1039         return;
1040     }
1041
1042     len = wsize * count;
1043     if (wsize == 1)
1044         line_size = 8;
1045     else
1046         line_size = 16;
1047     nb_per_line = line_size / wsize;
1048     max_digits = 0;
1049
1050     switch(format) {
1051     case 'o':
1052         max_digits = (wsize * 8 + 2) / 3;
1053         break;
1054     default:
1055     case 'x':
1056         max_digits = (wsize * 8) / 4;
1057         break;
1058     case 'u':
1059     case 'd':
1060         max_digits = (wsize * 8 * 10 + 32) / 33;
1061         break;
1062     case 'c':
1063         wsize = 1;
1064         break;
1065     }
1066
1067     while (len > 0) {
1068         if (is_physical)
1069             monitor_printf(mon, TARGET_FMT_plx ":", addr);
1070         else
1071             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1072         l = len;
1073         if (l > line_size)
1074             l = line_size;
1075         if (is_physical) {
1076             cpu_physical_memory_rw(addr, buf, l, 0);
1077         } else {
1078             env = mon_get_cpu();
1079             if (!env)
1080                 break;
1081             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1082                 monitor_printf(mon, " Cannot access memory\n");
1083                 break;
1084             }
1085         }
1086         i = 0;
1087         while (i < l) {
1088             switch(wsize) {
1089             default:
1090             case 1:
1091                 v = ldub_raw(buf + i);
1092                 break;
1093             case 2:
1094                 v = lduw_raw(buf + i);
1095                 break;
1096             case 4:
1097                 v = (uint32_t)ldl_raw(buf + i);
1098                 break;
1099             case 8:
1100                 v = ldq_raw(buf + i);
1101                 break;
1102             }
1103             monitor_printf(mon, " ");
1104             switch(format) {
1105             case 'o':
1106                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1107                 break;
1108             case 'x':
1109                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1110                 break;
1111             case 'u':
1112                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1113                 break;
1114             case 'd':
1115                 monitor_printf(mon, "%*" PRId64, max_digits, v);
1116                 break;
1117             case 'c':
1118                 monitor_printc(mon, v);
1119                 break;
1120             }
1121             i += wsize;
1122         }
1123         monitor_printf(mon, "\n");
1124         addr += l;
1125         len -= l;
1126     }
1127 }
1128
1129 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1130 {
1131     int count = qdict_get_int(qdict, "count");
1132     int format = qdict_get_int(qdict, "format");
1133     int size = qdict_get_int(qdict, "size");
1134     target_long addr = qdict_get_int(qdict, "addr");
1135
1136     memory_dump(mon, count, format, size, addr, 0);
1137 }
1138
1139 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1140 {
1141     int count = qdict_get_int(qdict, "count");
1142     int format = qdict_get_int(qdict, "format");
1143     int size = qdict_get_int(qdict, "size");
1144     target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1145
1146     memory_dump(mon, count, format, size, addr, 1);
1147 }
1148
1149 static void do_print(Monitor *mon, const QDict *qdict)
1150 {
1151     int format = qdict_get_int(qdict, "format");
1152     target_phys_addr_t val = qdict_get_int(qdict, "val");
1153
1154 #if TARGET_PHYS_ADDR_BITS == 32
1155     switch(format) {
1156     case 'o':
1157         monitor_printf(mon, "%#o", val);
1158         break;
1159     case 'x':
1160         monitor_printf(mon, "%#x", val);
1161         break;
1162     case 'u':
1163         monitor_printf(mon, "%u", val);
1164         break;
1165     default:
1166     case 'd':
1167         monitor_printf(mon, "%d", val);
1168         break;
1169     case 'c':
1170         monitor_printc(mon, val);
1171         break;
1172     }
1173 #else
1174     switch(format) {
1175     case 'o':
1176         monitor_printf(mon, "%#" PRIo64, val);
1177         break;
1178     case 'x':
1179         monitor_printf(mon, "%#" PRIx64, val);
1180         break;
1181     case 'u':
1182         monitor_printf(mon, "%" PRIu64, val);
1183         break;
1184     default:
1185     case 'd':
1186         monitor_printf(mon, "%" PRId64, val);
1187         break;
1188     case 'c':
1189         monitor_printc(mon, val);
1190         break;
1191     }
1192 #endif
1193     monitor_printf(mon, "\n");
1194 }
1195
1196 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1197 {
1198     FILE *f;
1199     uint32_t size = qdict_get_int(qdict, "size");
1200     const char *filename = qdict_get_str(qdict, "filename");
1201     target_long addr = qdict_get_int(qdict, "val");
1202     uint32_t l;
1203     CPUState *env;
1204     uint8_t buf[1024];
1205
1206     env = mon_get_cpu();
1207     if (!env)
1208         return;
1209
1210     f = fopen(filename, "wb");
1211     if (!f) {
1212         monitor_printf(mon, "could not open '%s'\n", filename);
1213         return;
1214     }
1215     while (size != 0) {
1216         l = sizeof(buf);
1217         if (l > size)
1218             l = size;
1219         cpu_memory_rw_debug(env, addr, buf, l, 0);
1220         fwrite(buf, 1, l, f);
1221         addr += l;
1222         size -= l;
1223     }
1224     fclose(f);
1225 }
1226
1227 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1228                                     QObject **ret_data)
1229 {
1230     FILE *f;
1231     uint32_t l;
1232     uint8_t buf[1024];
1233     uint32_t size = qdict_get_int(qdict, "size");
1234     const char *filename = qdict_get_str(qdict, "filename");
1235     target_phys_addr_t addr = qdict_get_int(qdict, "val");
1236
1237     f = fopen(filename, "wb");
1238     if (!f) {
1239         monitor_printf(mon, "could not open '%s'\n", filename);
1240         return;
1241     }
1242     while (size != 0) {
1243         l = sizeof(buf);
1244         if (l > size)
1245             l = size;
1246         cpu_physical_memory_rw(addr, buf, l, 0);
1247         fwrite(buf, 1, l, f);
1248         fflush(f);
1249         addr += l;
1250         size -= l;
1251     }
1252     fclose(f);
1253 }
1254
1255 static void do_sum(Monitor *mon, const QDict *qdict)
1256 {
1257     uint32_t addr;
1258     uint8_t buf[1];
1259     uint16_t sum;
1260     uint32_t start = qdict_get_int(qdict, "start");
1261     uint32_t size = qdict_get_int(qdict, "size");
1262
1263     sum = 0;
1264     for(addr = start; addr < (start + size); addr++) {
1265         cpu_physical_memory_rw(addr, buf, 1, 0);
1266         /* BSD sum algorithm ('sum' Unix command) */
1267         sum = (sum >> 1) | (sum << 15);
1268         sum += buf[0];
1269     }
1270     monitor_printf(mon, "%05d\n", sum);
1271 }
1272
1273 typedef struct {
1274     int keycode;
1275     const char *name;
1276 } KeyDef;
1277
1278 static const KeyDef key_defs[] = {
1279     { 0x2a, "shift" },
1280     { 0x36, "shift_r" },
1281
1282     { 0x38, "alt" },
1283     { 0xb8, "alt_r" },
1284     { 0x64, "altgr" },
1285     { 0xe4, "altgr_r" },
1286     { 0x1d, "ctrl" },
1287     { 0x9d, "ctrl_r" },
1288
1289     { 0xdd, "menu" },
1290
1291     { 0x01, "esc" },
1292
1293     { 0x02, "1" },
1294     { 0x03, "2" },
1295     { 0x04, "3" },
1296     { 0x05, "4" },
1297     { 0x06, "5" },
1298     { 0x07, "6" },
1299     { 0x08, "7" },
1300     { 0x09, "8" },
1301     { 0x0a, "9" },
1302     { 0x0b, "0" },
1303     { 0x0c, "minus" },
1304     { 0x0d, "equal" },
1305     { 0x0e, "backspace" },
1306
1307     { 0x0f, "tab" },
1308     { 0x10, "q" },
1309     { 0x11, "w" },
1310     { 0x12, "e" },
1311     { 0x13, "r" },
1312     { 0x14, "t" },
1313     { 0x15, "y" },
1314     { 0x16, "u" },
1315     { 0x17, "i" },
1316     { 0x18, "o" },
1317     { 0x19, "p" },
1318
1319     { 0x1c, "ret" },
1320
1321     { 0x1e, "a" },
1322     { 0x1f, "s" },
1323     { 0x20, "d" },
1324     { 0x21, "f" },
1325     { 0x22, "g" },
1326     { 0x23, "h" },
1327     { 0x24, "j" },
1328     { 0x25, "k" },
1329     { 0x26, "l" },
1330
1331     { 0x2c, "z" },
1332     { 0x2d, "x" },
1333     { 0x2e, "c" },
1334     { 0x2f, "v" },
1335     { 0x30, "b" },
1336     { 0x31, "n" },
1337     { 0x32, "m" },
1338     { 0x33, "comma" },
1339     { 0x34, "dot" },
1340     { 0x35, "slash" },
1341
1342     { 0x37, "asterisk" },
1343
1344     { 0x39, "spc" },
1345     { 0x3a, "caps_lock" },
1346     { 0x3b, "f1" },
1347     { 0x3c, "f2" },
1348     { 0x3d, "f3" },
1349     { 0x3e, "f4" },
1350     { 0x3f, "f5" },
1351     { 0x40, "f6" },
1352     { 0x41, "f7" },
1353     { 0x42, "f8" },
1354     { 0x43, "f9" },
1355     { 0x44, "f10" },
1356     { 0x45, "num_lock" },
1357     { 0x46, "scroll_lock" },
1358
1359     { 0xb5, "kp_divide" },
1360     { 0x37, "kp_multiply" },
1361     { 0x4a, "kp_subtract" },
1362     { 0x4e, "kp_add" },
1363     { 0x9c, "kp_enter" },
1364     { 0x53, "kp_decimal" },
1365     { 0x54, "sysrq" },
1366
1367     { 0x52, "kp_0" },
1368     { 0x4f, "kp_1" },
1369     { 0x50, "kp_2" },
1370     { 0x51, "kp_3" },
1371     { 0x4b, "kp_4" },
1372     { 0x4c, "kp_5" },
1373     { 0x4d, "kp_6" },
1374     { 0x47, "kp_7" },
1375     { 0x48, "kp_8" },
1376     { 0x49, "kp_9" },
1377
1378     { 0x56, "<" },
1379
1380     { 0x57, "f11" },
1381     { 0x58, "f12" },
1382
1383     { 0xb7, "print" },
1384
1385     { 0xc7, "home" },
1386     { 0xc9, "pgup" },
1387     { 0xd1, "pgdn" },
1388     { 0xcf, "end" },
1389
1390     { 0xcb, "left" },
1391     { 0xc8, "up" },
1392     { 0xd0, "down" },
1393     { 0xcd, "right" },
1394
1395     { 0xd2, "insert" },
1396     { 0xd3, "delete" },
1397 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1398     { 0xf0, "stop" },
1399     { 0xf1, "again" },
1400     { 0xf2, "props" },
1401     { 0xf3, "undo" },
1402     { 0xf4, "front" },
1403     { 0xf5, "copy" },
1404     { 0xf6, "open" },
1405     { 0xf7, "paste" },
1406     { 0xf8, "find" },
1407     { 0xf9, "cut" },
1408     { 0xfa, "lf" },
1409     { 0xfb, "help" },
1410     { 0xfc, "meta_l" },
1411     { 0xfd, "meta_r" },
1412     { 0xfe, "compose" },
1413 #endif
1414     { 0, NULL },
1415 };
1416
1417 static int get_keycode(const char *key)
1418 {
1419     const KeyDef *p;
1420     char *endp;
1421     int ret;
1422
1423     for(p = key_defs; p->name != NULL; p++) {
1424         if (!strcmp(key, p->name))
1425             return p->keycode;
1426     }
1427     if (strstart(key, "0x", NULL)) {
1428         ret = strtoul(key, &endp, 0);
1429         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1430             return ret;
1431     }
1432     return -1;
1433 }
1434
1435 #define MAX_KEYCODES 16
1436 static uint8_t keycodes[MAX_KEYCODES];
1437 static int nb_pending_keycodes;
1438 static QEMUTimer *key_timer;
1439
1440 static void release_keys(void *opaque)
1441 {
1442     int keycode;
1443
1444     while (nb_pending_keycodes > 0) {
1445         nb_pending_keycodes--;
1446         keycode = keycodes[nb_pending_keycodes];
1447         if (keycode & 0x80)
1448             kbd_put_keycode(0xe0);
1449         kbd_put_keycode(keycode | 0x80);
1450     }
1451 }
1452
1453 static void do_sendkey(Monitor *mon, const QDict *qdict)
1454 {
1455     char keyname_buf[16];
1456     char *separator;
1457     int keyname_len, keycode, i;
1458     const char *string = qdict_get_str(qdict, "string");
1459     int has_hold_time = qdict_haskey(qdict, "hold_time");
1460     int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1461
1462     if (nb_pending_keycodes > 0) {
1463         qemu_del_timer(key_timer);
1464         release_keys(NULL);
1465     }
1466     if (!has_hold_time)
1467         hold_time = 100;
1468     i = 0;
1469     while (1) {
1470         separator = strchr(string, '-');
1471         keyname_len = separator ? separator - string : strlen(string);
1472         if (keyname_len > 0) {
1473             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1474             if (keyname_len > sizeof(keyname_buf) - 1) {
1475                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1476                 return;
1477             }
1478             if (i == MAX_KEYCODES) {
1479                 monitor_printf(mon, "too many keys\n");
1480                 return;
1481             }
1482             keyname_buf[keyname_len] = 0;
1483             keycode = get_keycode(keyname_buf);
1484             if (keycode < 0) {
1485                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1486                 return;
1487             }
1488             keycodes[i++] = keycode;
1489         }
1490         if (!separator)
1491             break;
1492         string = separator + 1;
1493     }
1494     nb_pending_keycodes = i;
1495     /* key down events */
1496     for (i = 0; i < nb_pending_keycodes; i++) {
1497         keycode = keycodes[i];
1498         if (keycode & 0x80)
1499             kbd_put_keycode(0xe0);
1500         kbd_put_keycode(keycode & 0x7f);
1501     }
1502     /* delayed key up events */
1503     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1504                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1505 }
1506
1507 static int mouse_button_state;
1508
1509 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1510 {
1511     int dx, dy, dz;
1512     const char *dx_str = qdict_get_str(qdict, "dx_str");
1513     const char *dy_str = qdict_get_str(qdict, "dy_str");
1514     const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1515     dx = strtol(dx_str, NULL, 0);
1516     dy = strtol(dy_str, NULL, 0);
1517     dz = 0;
1518     if (dz_str)
1519         dz = strtol(dz_str, NULL, 0);
1520     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1521 }
1522
1523 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1524 {
1525     int button_state = qdict_get_int(qdict, "button_state");
1526     mouse_button_state = button_state;
1527     kbd_mouse_event(0, 0, 0, mouse_button_state);
1528 }
1529
1530 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1531 {
1532     int size = qdict_get_int(qdict, "size");
1533     int addr = qdict_get_int(qdict, "addr");
1534     int has_index = qdict_haskey(qdict, "index");
1535     uint32_t val;
1536     int suffix;
1537
1538     if (has_index) {
1539         int index = qdict_get_int(qdict, "index");
1540         cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1541         addr++;
1542     }
1543     addr &= 0xffff;
1544
1545     switch(size) {
1546     default:
1547     case 1:
1548         val = cpu_inb(addr);
1549         suffix = 'b';
1550         break;
1551     case 2:
1552         val = cpu_inw(addr);
1553         suffix = 'w';
1554         break;
1555     case 4:
1556         val = cpu_inl(addr);
1557         suffix = 'l';
1558         break;
1559     }
1560     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1561                    suffix, addr, size * 2, val);
1562 }
1563
1564 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1565 {
1566     int size = qdict_get_int(qdict, "size");
1567     int addr = qdict_get_int(qdict, "addr");
1568     int val = qdict_get_int(qdict, "val");
1569
1570     addr &= IOPORTS_MASK;
1571
1572     switch (size) {
1573     default:
1574     case 1:
1575         cpu_outb(addr, val);
1576         break;
1577     case 2:
1578         cpu_outw(addr, val);
1579         break;
1580     case 4:
1581         cpu_outl(addr, val);
1582         break;
1583     }
1584 }
1585
1586 static void do_boot_set(Monitor *mon, const QDict *qdict)
1587 {
1588     int res;
1589     const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1590
1591     res = qemu_boot_set(bootdevice);
1592     if (res == 0) {
1593         monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1594     } else if (res > 0) {
1595         monitor_printf(mon, "setting boot device list failed\n");
1596     } else {
1597         monitor_printf(mon, "no function defined to set boot device list for "
1598                        "this architecture\n");
1599     }
1600 }
1601
1602 /**
1603  * do_system_reset(): Issue a machine reset
1604  */
1605 static void do_system_reset(Monitor *mon, const QDict *qdict,
1606                             QObject **ret_data)
1607 {
1608     qemu_system_reset_request();
1609 }
1610
1611 /**
1612  * do_system_powerdown(): Issue a machine powerdown
1613  */
1614 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1615                                 QObject **ret_data)
1616 {
1617     qemu_system_powerdown_request();
1618 }
1619
1620 #if defined(TARGET_I386)
1621 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1622 {
1623     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1624                    addr,
1625                    pte & mask,
1626                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1627                    pte & PG_PSE_MASK ? 'P' : '-',
1628                    pte & PG_DIRTY_MASK ? 'D' : '-',
1629                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1630                    pte & PG_PCD_MASK ? 'C' : '-',
1631                    pte & PG_PWT_MASK ? 'T' : '-',
1632                    pte & PG_USER_MASK ? 'U' : '-',
1633                    pte & PG_RW_MASK ? 'W' : '-');
1634 }
1635
1636 static void tlb_info(Monitor *mon)
1637 {
1638     CPUState *env;
1639     int l1, l2;
1640     uint32_t pgd, pde, pte;
1641
1642     env = mon_get_cpu();
1643     if (!env)
1644         return;
1645
1646     if (!(env->cr[0] & CR0_PG_MASK)) {
1647         monitor_printf(mon, "PG disabled\n");
1648         return;
1649     }
1650     pgd = env->cr[3] & ~0xfff;
1651     for(l1 = 0; l1 < 1024; l1++) {
1652         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1653         pde = le32_to_cpu(pde);
1654         if (pde & PG_PRESENT_MASK) {
1655             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1656                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1657             } else {
1658                 for(l2 = 0; l2 < 1024; l2++) {
1659                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1660                                              (uint8_t *)&pte, 4);
1661                     pte = le32_to_cpu(pte);
1662                     if (pte & PG_PRESENT_MASK) {
1663                         print_pte(mon, (l1 << 22) + (l2 << 12),
1664                                   pte & ~PG_PSE_MASK,
1665                                   ~0xfff);
1666                     }
1667                 }
1668             }
1669         }
1670     }
1671 }
1672
1673 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1674                       uint32_t end, int prot)
1675 {
1676     int prot1;
1677     prot1 = *plast_prot;
1678     if (prot != prot1) {
1679         if (*pstart != -1) {
1680             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1681                            *pstart, end, end - *pstart,
1682                            prot1 & PG_USER_MASK ? 'u' : '-',
1683                            'r',
1684                            prot1 & PG_RW_MASK ? 'w' : '-');
1685         }
1686         if (prot != 0)
1687             *pstart = end;
1688         else
1689             *pstart = -1;
1690         *plast_prot = prot;
1691     }
1692 }
1693
1694 static void mem_info(Monitor *mon)
1695 {
1696     CPUState *env;
1697     int l1, l2, prot, last_prot;
1698     uint32_t pgd, pde, pte, start, end;
1699
1700     env = mon_get_cpu();
1701     if (!env)
1702         return;
1703
1704     if (!(env->cr[0] & CR0_PG_MASK)) {
1705         monitor_printf(mon, "PG disabled\n");
1706         return;
1707     }
1708     pgd = env->cr[3] & ~0xfff;
1709     last_prot = 0;
1710     start = -1;
1711     for(l1 = 0; l1 < 1024; l1++) {
1712         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1713         pde = le32_to_cpu(pde);
1714         end = l1 << 22;
1715         if (pde & PG_PRESENT_MASK) {
1716             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1717                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1718                 mem_print(mon, &start, &last_prot, end, prot);
1719             } else {
1720                 for(l2 = 0; l2 < 1024; l2++) {
1721                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1722                                              (uint8_t *)&pte, 4);
1723                     pte = le32_to_cpu(pte);
1724                     end = (l1 << 22) + (l2 << 12);
1725                     if (pte & PG_PRESENT_MASK) {
1726                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1727                     } else {
1728                         prot = 0;
1729                     }
1730                     mem_print(mon, &start, &last_prot, end, prot);
1731                 }
1732             }
1733         } else {
1734             prot = 0;
1735             mem_print(mon, &start, &last_prot, end, prot);
1736         }
1737     }
1738 }
1739 #endif
1740
1741 #if defined(TARGET_SH4)
1742
1743 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1744 {
1745     monitor_printf(mon, " tlb%i:\t"
1746                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1747                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1748                    "dirty=%hhu writethrough=%hhu\n",
1749                    idx,
1750                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1751                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1752                    tlb->d, tlb->wt);
1753 }
1754
1755 static void tlb_info(Monitor *mon)
1756 {
1757     CPUState *env = mon_get_cpu();
1758     int i;
1759
1760     monitor_printf (mon, "ITLB:\n");
1761     for (i = 0 ; i < ITLB_SIZE ; i++)
1762         print_tlb (mon, i, &env->itlb[i]);
1763     monitor_printf (mon, "UTLB:\n");
1764     for (i = 0 ; i < UTLB_SIZE ; i++)
1765         print_tlb (mon, i, &env->utlb[i]);
1766 }
1767
1768 #endif
1769
1770 static void do_info_kvm(Monitor *mon)
1771 {
1772 #ifdef CONFIG_KVM
1773     monitor_printf(mon, "kvm support: ");
1774     if (kvm_enabled())
1775         monitor_printf(mon, "enabled\n");
1776     else
1777         monitor_printf(mon, "disabled\n");
1778 #else
1779     monitor_printf(mon, "kvm support: not compiled\n");
1780 #endif
1781 }
1782
1783 static void do_info_numa(Monitor *mon)
1784 {
1785     int i;
1786     CPUState *env;
1787
1788     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1789     for (i = 0; i < nb_numa_nodes; i++) {
1790         monitor_printf(mon, "node %d cpus:", i);
1791         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1792             if (env->numa_node == i) {
1793                 monitor_printf(mon, " %d", env->cpu_index);
1794             }
1795         }
1796         monitor_printf(mon, "\n");
1797         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1798             node_mem[i] >> 20);
1799     }
1800 }
1801
1802 #ifdef CONFIG_PROFILER
1803
1804 int64_t qemu_time;
1805 int64_t dev_time;
1806
1807 static void do_info_profile(Monitor *mon)
1808 {
1809     int64_t total;
1810     total = qemu_time;
1811     if (total == 0)
1812         total = 1;
1813     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1814                    dev_time, dev_time / (double)get_ticks_per_sec());
1815     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1816                    qemu_time, qemu_time / (double)get_ticks_per_sec());
1817     qemu_time = 0;
1818     dev_time = 0;
1819 }
1820 #else
1821 static void do_info_profile(Monitor *mon)
1822 {
1823     monitor_printf(mon, "Internal profiler not compiled\n");
1824 }
1825 #endif
1826
1827 /* Capture support */
1828 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1829
1830 static void do_info_capture(Monitor *mon)
1831 {
1832     int i;
1833     CaptureState *s;
1834
1835     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1836         monitor_printf(mon, "[%d]: ", i);
1837         s->ops.info (s->opaque);
1838     }
1839 }
1840
1841 #ifdef HAS_AUDIO
1842 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1843 {
1844     int i;
1845     int n = qdict_get_int(qdict, "n");
1846     CaptureState *s;
1847
1848     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1849         if (i == n) {
1850             s->ops.destroy (s->opaque);
1851             QLIST_REMOVE (s, entries);
1852             qemu_free (s);
1853             return;
1854         }
1855     }
1856 }
1857
1858 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1859 {
1860     const char *path = qdict_get_str(qdict, "path");
1861     int has_freq = qdict_haskey(qdict, "freq");
1862     int freq = qdict_get_try_int(qdict, "freq", -1);
1863     int has_bits = qdict_haskey(qdict, "bits");
1864     int bits = qdict_get_try_int(qdict, "bits", -1);
1865     int has_channels = qdict_haskey(qdict, "nchannels");
1866     int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1867     CaptureState *s;
1868
1869     s = qemu_mallocz (sizeof (*s));
1870
1871     freq = has_freq ? freq : 44100;
1872     bits = has_bits ? bits : 16;
1873     nchannels = has_channels ? nchannels : 2;
1874
1875     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1876         monitor_printf(mon, "Faied to add wave capture\n");
1877         qemu_free (s);
1878     }
1879     QLIST_INSERT_HEAD (&capture_head, s, entries);
1880 }
1881 #endif
1882
1883 #if defined(TARGET_I386)
1884 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
1885 {
1886     CPUState *env;
1887     int cpu_index = qdict_get_int(qdict, "cpu_index");
1888
1889     for (env = first_cpu; env != NULL; env = env->next_cpu)
1890         if (env->cpu_index == cpu_index) {
1891             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1892             break;
1893         }
1894 }
1895 #endif
1896
1897 static void do_info_status(Monitor *mon)
1898 {
1899     if (vm_running) {
1900         if (singlestep) {
1901             monitor_printf(mon, "VM status: running (single step mode)\n");
1902         } else {
1903             monitor_printf(mon, "VM status: running\n");
1904         }
1905     } else
1906        monitor_printf(mon, "VM status: paused\n");
1907 }
1908
1909 /**
1910  * do_balloon(): Request VM to change its memory allocation
1911  */
1912 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
1913 {
1914     int value = qdict_get_int(qdict, "value");
1915     ram_addr_t target = value;
1916     qemu_balloon(target << 20);
1917 }
1918
1919 static void monitor_print_balloon(Monitor *mon, const QObject *data)
1920 {
1921     monitor_printf(mon, "balloon: actual=%d\n",
1922                                      (int)qint_get_int(qobject_to_qint(data)));
1923 }
1924
1925 /**
1926  * do_info_balloon(): Balloon information
1927  */
1928 static void do_info_balloon(Monitor *mon, QObject **ret_data)
1929 {
1930     ram_addr_t actual;
1931
1932     actual = qemu_balloon_status();
1933     if (kvm_enabled() && !kvm_has_sync_mmu())
1934         qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
1935     else if (actual == 0)
1936         qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
1937     else
1938         *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
1939 }
1940
1941 static qemu_acl *find_acl(Monitor *mon, const char *name)
1942 {
1943     qemu_acl *acl = qemu_acl_find(name);
1944
1945     if (!acl) {
1946         monitor_printf(mon, "acl: unknown list '%s'\n", name);
1947     }
1948     return acl;
1949 }
1950
1951 static void do_acl_show(Monitor *mon, const QDict *qdict)
1952 {
1953     const char *aclname = qdict_get_str(qdict, "aclname");
1954     qemu_acl *acl = find_acl(mon, aclname);
1955     qemu_acl_entry *entry;
1956     int i = 0;
1957
1958     if (acl) {
1959         monitor_printf(mon, "policy: %s\n",
1960                        acl->defaultDeny ? "deny" : "allow");
1961         QTAILQ_FOREACH(entry, &acl->entries, next) {
1962             i++;
1963             monitor_printf(mon, "%d: %s %s\n", i,
1964                            entry->deny ? "deny" : "allow", entry->match);
1965         }
1966     }
1967 }
1968
1969 static void do_acl_reset(Monitor *mon, const QDict *qdict)
1970 {
1971     const char *aclname = qdict_get_str(qdict, "aclname");
1972     qemu_acl *acl = find_acl(mon, aclname);
1973
1974     if (acl) {
1975         qemu_acl_reset(acl);
1976         monitor_printf(mon, "acl: removed all rules\n");
1977     }
1978 }
1979
1980 static void do_acl_policy(Monitor *mon, const QDict *qdict)
1981 {
1982     const char *aclname = qdict_get_str(qdict, "aclname");
1983     const char *policy = qdict_get_str(qdict, "policy");
1984     qemu_acl *acl = find_acl(mon, aclname);
1985
1986     if (acl) {
1987         if (strcmp(policy, "allow") == 0) {
1988             acl->defaultDeny = 0;
1989             monitor_printf(mon, "acl: policy set to 'allow'\n");
1990         } else if (strcmp(policy, "deny") == 0) {
1991             acl->defaultDeny = 1;
1992             monitor_printf(mon, "acl: policy set to 'deny'\n");
1993         } else {
1994             monitor_printf(mon, "acl: unknown policy '%s', "
1995                            "expected 'deny' or 'allow'\n", policy);
1996         }
1997     }
1998 }
1999
2000 static void do_acl_add(Monitor *mon, const QDict *qdict)
2001 {
2002     const char *aclname = qdict_get_str(qdict, "aclname");
2003     const char *match = qdict_get_str(qdict, "match");
2004     const char *policy = qdict_get_str(qdict, "policy");
2005     int has_index = qdict_haskey(qdict, "index");
2006     int index = qdict_get_try_int(qdict, "index", -1);
2007     qemu_acl *acl = find_acl(mon, aclname);
2008     int deny, ret;
2009
2010     if (acl) {
2011         if (strcmp(policy, "allow") == 0) {
2012             deny = 0;
2013         } else if (strcmp(policy, "deny") == 0) {
2014             deny = 1;
2015         } else {
2016             monitor_printf(mon, "acl: unknown policy '%s', "
2017                            "expected 'deny' or 'allow'\n", policy);
2018             return;
2019         }
2020         if (has_index)
2021             ret = qemu_acl_insert(acl, deny, match, index);
2022         else
2023             ret = qemu_acl_append(acl, deny, match);
2024         if (ret < 0)
2025             monitor_printf(mon, "acl: unable to add acl entry\n");
2026         else
2027             monitor_printf(mon, "acl: added rule at position %d\n", ret);
2028     }
2029 }
2030
2031 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2032 {
2033     const char *aclname = qdict_get_str(qdict, "aclname");
2034     const char *match = qdict_get_str(qdict, "match");
2035     qemu_acl *acl = find_acl(mon, aclname);
2036     int ret;
2037
2038     if (acl) {
2039         ret = qemu_acl_remove(acl, match);
2040         if (ret < 0)
2041             monitor_printf(mon, "acl: no matching acl entry\n");
2042         else
2043             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2044     }
2045 }
2046
2047 #if defined(TARGET_I386)
2048 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2049 {
2050     CPUState *cenv;
2051     int cpu_index = qdict_get_int(qdict, "cpu_index");
2052     int bank = qdict_get_int(qdict, "bank");
2053     uint64_t status = qdict_get_int(qdict, "status");
2054     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2055     uint64_t addr = qdict_get_int(qdict, "addr");
2056     uint64_t misc = qdict_get_int(qdict, "misc");
2057
2058     for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2059         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2060             cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2061             break;
2062         }
2063 }
2064 #endif
2065
2066 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2067 {
2068     const char *fdname = qdict_get_str(qdict, "fdname");
2069     mon_fd_t *monfd;
2070     int fd;
2071
2072     fd = qemu_chr_get_msgfd(mon->chr);
2073     if (fd == -1) {
2074         monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
2075         return;
2076     }
2077
2078     if (qemu_isdigit(fdname[0])) {
2079         monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
2080         return;
2081     }
2082
2083     fd = dup(fd);
2084     if (fd == -1) {
2085         monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
2086                        strerror(errno));
2087         return;
2088     }
2089
2090     QLIST_FOREACH(monfd, &mon->fds, next) {
2091         if (strcmp(monfd->name, fdname) != 0) {
2092             continue;
2093         }
2094
2095         close(monfd->fd);
2096         monfd->fd = fd;
2097         return;
2098     }
2099
2100     monfd = qemu_mallocz(sizeof(mon_fd_t));
2101     monfd->name = qemu_strdup(fdname);
2102     monfd->fd = fd;
2103
2104     QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2105 }
2106
2107 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2108 {
2109     const char *fdname = qdict_get_str(qdict, "fdname");
2110     mon_fd_t *monfd;
2111
2112     QLIST_FOREACH(monfd, &mon->fds, next) {
2113         if (strcmp(monfd->name, fdname) != 0) {
2114             continue;
2115         }
2116
2117         QLIST_REMOVE(monfd, next);
2118         close(monfd->fd);
2119         qemu_free(monfd->name);
2120         qemu_free(monfd);
2121         return;
2122     }
2123
2124     monitor_printf(mon, "Failed to find file descriptor named %s\n",
2125                    fdname);
2126 }
2127
2128 static void do_loadvm(Monitor *mon, const QDict *qdict)
2129 {
2130     int saved_vm_running  = vm_running;
2131     const char *name = qdict_get_str(qdict, "name");
2132
2133     vm_stop(0);
2134
2135     if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2136         vm_start();
2137 }
2138
2139 int monitor_get_fd(Monitor *mon, const char *fdname)
2140 {
2141     mon_fd_t *monfd;
2142
2143     QLIST_FOREACH(monfd, &mon->fds, next) {
2144         int fd;
2145
2146         if (strcmp(monfd->name, fdname) != 0) {
2147             continue;
2148         }
2149
2150         fd = monfd->fd;
2151
2152         /* caller takes ownership of fd */
2153         QLIST_REMOVE(monfd, next);
2154         qemu_free(monfd->name);
2155         qemu_free(monfd);
2156
2157         return fd;
2158     }
2159
2160     return -1;
2161 }
2162
2163 static const mon_cmd_t mon_cmds[] = {
2164 #include "qemu-monitor.h"
2165     { NULL, NULL, },
2166 };
2167
2168 /* Please update qemu-monitor.hx when adding or changing commands */
2169 static const mon_cmd_t info_cmds[] = {
2170     {
2171         .name       = "version",
2172         .args_type  = "",
2173         .params     = "",
2174         .help       = "show the version of QEMU",
2175         .user_print = monitor_print_qobject,
2176         .mhandler.info_new = do_info_version,
2177     },
2178     {
2179         .name       = "commands",
2180         .args_type  = "",
2181         .params     = "",
2182         .help       = "list QMP available commands",
2183         .user_print = monitor_user_noop,
2184         .mhandler.info_new = do_info_commands,
2185     },
2186     {
2187         .name       = "network",
2188         .args_type  = "",
2189         .params     = "",
2190         .help       = "show the network state",
2191         .mhandler.info = do_info_network,
2192     },
2193     {
2194         .name       = "chardev",
2195         .args_type  = "",
2196         .params     = "",
2197         .help       = "show the character devices",
2198         .mhandler.info = qemu_chr_info,
2199     },
2200     {
2201         .name       = "block",
2202         .args_type  = "",
2203         .params     = "",
2204         .help       = "show the block devices",
2205         .mhandler.info = bdrv_info,
2206     },
2207     {
2208         .name       = "blockstats",
2209         .args_type  = "",
2210         .params     = "",
2211         .help       = "show block device statistics",
2212         .mhandler.info = bdrv_info_stats,
2213     },
2214     {
2215         .name       = "registers",
2216         .args_type  = "",
2217         .params     = "",
2218         .help       = "show the cpu registers",
2219         .mhandler.info = do_info_registers,
2220     },
2221     {
2222         .name       = "cpus",
2223         .args_type  = "",
2224         .params     = "",
2225         .help       = "show infos for each CPU",
2226         .user_print = monitor_print_cpus,
2227         .mhandler.info_new = do_info_cpus,
2228     },
2229     {
2230         .name       = "history",
2231         .args_type  = "",
2232         .params     = "",
2233         .help       = "show the command line history",
2234         .mhandler.info = do_info_history,
2235     },
2236     {
2237         .name       = "irq",
2238         .args_type  = "",
2239         .params     = "",
2240         .help       = "show the interrupts statistics (if available)",
2241         .mhandler.info = irq_info,
2242     },
2243     {
2244         .name       = "pic",
2245         .args_type  = "",
2246         .params     = "",
2247         .help       = "show i8259 (PIC) state",
2248         .mhandler.info = pic_info,
2249     },
2250     {
2251         .name       = "pci",
2252         .args_type  = "",
2253         .params     = "",
2254         .help       = "show PCI info",
2255         .mhandler.info = pci_info,
2256     },
2257 #if defined(TARGET_I386) || defined(TARGET_SH4)
2258     {
2259         .name       = "tlb",
2260         .args_type  = "",
2261         .params     = "",
2262         .help       = "show virtual to physical memory mappings",
2263         .mhandler.info = tlb_info,
2264     },
2265 #endif
2266 #if defined(TARGET_I386)
2267     {
2268         .name       = "mem",
2269         .args_type  = "",
2270         .params     = "",
2271         .help       = "show the active virtual memory mappings",
2272         .mhandler.info = mem_info,
2273     },
2274     {
2275         .name       = "hpet",
2276         .args_type  = "",
2277         .params     = "",
2278         .help       = "show state of HPET",
2279         .mhandler.info = do_info_hpet,
2280     },
2281 #endif
2282     {
2283         .name       = "jit",
2284         .args_type  = "",
2285         .params     = "",
2286         .help       = "show dynamic compiler info",
2287         .mhandler.info = do_info_jit,
2288     },
2289     {
2290         .name       = "kvm",
2291         .args_type  = "",
2292         .params     = "",
2293         .help       = "show KVM information",
2294         .mhandler.info = do_info_kvm,
2295     },
2296     {
2297         .name       = "numa",
2298         .args_type  = "",
2299         .params     = "",
2300         .help       = "show NUMA information",
2301         .mhandler.info = do_info_numa,
2302     },
2303     {
2304         .name       = "usb",
2305         .args_type  = "",
2306         .params     = "",
2307         .help       = "show guest USB devices",
2308         .mhandler.info = usb_info,
2309     },
2310     {
2311         .name       = "usbhost",
2312         .args_type  = "",
2313         .params     = "",
2314         .help       = "show host USB devices",
2315         .mhandler.info = usb_host_info,
2316     },
2317     {
2318         .name       = "profile",
2319         .args_type  = "",
2320         .params     = "",
2321         .help       = "show profiling information",
2322         .mhandler.info = do_info_profile,
2323     },
2324     {
2325         .name       = "capture",
2326         .args_type  = "",
2327         .params     = "",
2328         .help       = "show capture information",
2329         .mhandler.info = do_info_capture,
2330     },
2331     {
2332         .name       = "snapshots",
2333         .args_type  = "",
2334         .params     = "",
2335         .help       = "show the currently saved VM snapshots",
2336         .mhandler.info = do_info_snapshots,
2337     },
2338     {
2339         .name       = "status",
2340         .args_type  = "",
2341         .params     = "",
2342         .help       = "show the current VM status (running|paused)",
2343         .mhandler.info = do_info_status,
2344     },
2345     {
2346         .name       = "pcmcia",
2347         .args_type  = "",
2348         .params     = "",
2349         .help       = "show guest PCMCIA status",
2350         .mhandler.info = pcmcia_info,
2351     },
2352     {
2353         .name       = "mice",
2354         .args_type  = "",
2355         .params     = "",
2356         .help       = "show which guest mouse is receiving events",
2357         .mhandler.info = do_info_mice,
2358     },
2359     {
2360         .name       = "vnc",
2361         .args_type  = "",
2362         .params     = "",
2363         .help       = "show the vnc server status",
2364         .mhandler.info = do_info_vnc,
2365     },
2366     {
2367         .name       = "name",
2368         .args_type  = "",
2369         .params     = "",
2370         .help       = "show the current VM name",
2371         .mhandler.info = do_info_name,
2372     },
2373     {
2374         .name       = "uuid",
2375         .args_type  = "",
2376         .params     = "",
2377         .help       = "show the current VM UUID",
2378         .mhandler.info = do_info_uuid,
2379     },
2380 #if defined(TARGET_PPC)
2381     {
2382         .name       = "cpustats",
2383         .args_type  = "",
2384         .params     = "",
2385         .help       = "show CPU statistics",
2386         .mhandler.info = do_info_cpu_stats,
2387     },
2388 #endif
2389 #if defined(CONFIG_SLIRP)
2390     {
2391         .name       = "usernet",
2392         .args_type  = "",
2393         .params     = "",
2394         .help       = "show user network stack connection states",
2395         .mhandler.info = do_info_usernet,
2396     },
2397 #endif
2398     {
2399         .name       = "migrate",
2400         .args_type  = "",
2401         .params     = "",
2402         .help       = "show migration status",
2403         .mhandler.info = do_info_migrate,
2404     },
2405     {
2406         .name       = "balloon",
2407         .args_type  = "",
2408         .params     = "",
2409         .help       = "show balloon information",
2410         .user_print = monitor_print_balloon,
2411         .mhandler.info_new = do_info_balloon,
2412     },
2413     {
2414         .name       = "qtree",
2415         .args_type  = "",
2416         .params     = "",
2417         .help       = "show device tree",
2418         .mhandler.info = do_info_qtree,
2419     },
2420     {
2421         .name       = "qdm",
2422         .args_type  = "",
2423         .params     = "",
2424         .help       = "show qdev device model list",
2425         .mhandler.info = do_info_qdm,
2426     },
2427     {
2428         .name       = "roms",
2429         .args_type  = "",
2430         .params     = "",
2431         .help       = "show roms",
2432         .mhandler.info = do_info_roms,
2433     },
2434     {
2435         .name       = NULL,
2436     },
2437 };
2438
2439 /*******************************************************************/
2440
2441 static const char *pch;
2442 static jmp_buf expr_env;
2443
2444 #define MD_TLONG 0
2445 #define MD_I32   1
2446
2447 typedef struct MonitorDef {
2448     const char *name;
2449     int offset;
2450     target_long (*get_value)(const struct MonitorDef *md, int val);
2451     int type;
2452 } MonitorDef;
2453
2454 #if defined(TARGET_I386)
2455 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2456 {
2457     CPUState *env = mon_get_cpu();
2458     if (!env)
2459         return 0;
2460     return env->eip + env->segs[R_CS].base;
2461 }
2462 #endif
2463
2464 #if defined(TARGET_PPC)
2465 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2466 {
2467     CPUState *env = mon_get_cpu();
2468     unsigned int u;
2469     int i;
2470
2471     if (!env)
2472         return 0;
2473
2474     u = 0;
2475     for (i = 0; i < 8; i++)
2476         u |= env->crf[i] << (32 - (4 * i));
2477
2478     return u;
2479 }
2480
2481 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2482 {
2483     CPUState *env = mon_get_cpu();
2484     if (!env)
2485         return 0;
2486     return env->msr;
2487 }
2488
2489 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2490 {
2491     CPUState *env = mon_get_cpu();
2492     if (!env)
2493         return 0;
2494     return env->xer;
2495 }
2496
2497 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2498 {
2499     CPUState *env = mon_get_cpu();
2500     if (!env)
2501         return 0;
2502     return cpu_ppc_load_decr(env);
2503 }
2504
2505 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2506 {
2507     CPUState *env = mon_get_cpu();
2508     if (!env)
2509         return 0;
2510     return cpu_ppc_load_tbu(env);
2511 }
2512
2513 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2514 {
2515     CPUState *env = mon_get_cpu();
2516     if (!env)
2517         return 0;
2518     return cpu_ppc_load_tbl(env);
2519 }
2520 #endif
2521
2522 #if defined(TARGET_SPARC)
2523 #ifndef TARGET_SPARC64
2524 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2525 {
2526     CPUState *env = mon_get_cpu();
2527     if (!env)
2528         return 0;
2529     return GET_PSR(env);
2530 }
2531 #endif
2532
2533 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2534 {
2535     CPUState *env = mon_get_cpu();
2536     if (!env)
2537         return 0;
2538     return env->regwptr[val];
2539 }
2540 #endif
2541
2542 static const MonitorDef monitor_defs[] = {
2543 #ifdef TARGET_I386
2544
2545 #define SEG(name, seg) \
2546     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2547     { name ".base", offsetof(CPUState, segs[seg].base) },\
2548     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2549
2550     { "eax", offsetof(CPUState, regs[0]) },
2551     { "ecx", offsetof(CPUState, regs[1]) },
2552     { "edx", offsetof(CPUState, regs[2]) },
2553     { "ebx", offsetof(CPUState, regs[3]) },
2554     { "esp|sp", offsetof(CPUState, regs[4]) },
2555     { "ebp|fp", offsetof(CPUState, regs[5]) },
2556     { "esi", offsetof(CPUState, regs[6]) },
2557     { "edi", offsetof(CPUState, regs[7]) },
2558 #ifdef TARGET_X86_64
2559     { "r8", offsetof(CPUState, regs[8]) },
2560     { "r9", offsetof(CPUState, regs[9]) },
2561     { "r10", offsetof(CPUState, regs[10]) },
2562     { "r11", offsetof(CPUState, regs[11]) },
2563     { "r12", offsetof(CPUState, regs[12]) },
2564     { "r13", offsetof(CPUState, regs[13]) },
2565     { "r14", offsetof(CPUState, regs[14]) },
2566     { "r15", offsetof(CPUState, regs[15]) },
2567 #endif
2568     { "eflags", offsetof(CPUState, eflags) },
2569     { "eip", offsetof(CPUState, eip) },
2570     SEG("cs", R_CS)
2571     SEG("ds", R_DS)
2572     SEG("es", R_ES)
2573     SEG("ss", R_SS)
2574     SEG("fs", R_FS)
2575     SEG("gs", R_GS)
2576     { "pc", 0, monitor_get_pc, },
2577 #elif defined(TARGET_PPC)
2578     /* General purpose registers */
2579     { "r0", offsetof(CPUState, gpr[0]) },
2580     { "r1", offsetof(CPUState, gpr[1]) },
2581     { "r2", offsetof(CPUState, gpr[2]) },
2582     { "r3", offsetof(CPUState, gpr[3]) },
2583     { "r4", offsetof(CPUState, gpr[4]) },
2584     { "r5", offsetof(CPUState, gpr[5]) },
2585     { "r6", offsetof(CPUState, gpr[6]) },
2586     { "r7", offsetof(CPUState, gpr[7]) },
2587     { "r8", offsetof(CPUState, gpr[8]) },
2588     { "r9", offsetof(CPUState, gpr[9]) },
2589     { "r10", offsetof(CPUState, gpr[10]) },
2590     { "r11", offsetof(CPUState, gpr[11]) },
2591     { "r12", offsetof(CPUState, gpr[12]) },
2592     { "r13", offsetof(CPUState, gpr[13]) },
2593     { "r14", offsetof(CPUState, gpr[14]) },
2594     { "r15", offsetof(CPUState, gpr[15]) },
2595     { "r16", offsetof(CPUState, gpr[16]) },
2596     { "r17", offsetof(CPUState, gpr[17]) },
2597     { "r18", offsetof(CPUState, gpr[18]) },
2598     { "r19", offsetof(CPUState, gpr[19]) },
2599     { "r20", offsetof(CPUState, gpr[20]) },
2600     { "r21", offsetof(CPUState, gpr[21]) },
2601     { "r22", offsetof(CPUState, gpr[22]) },
2602     { "r23", offsetof(CPUState, gpr[23]) },
2603     { "r24", offsetof(CPUState, gpr[24]) },
2604     { "r25", offsetof(CPUState, gpr[25]) },
2605     { "r26", offsetof(CPUState, gpr[26]) },
2606     { "r27", offsetof(CPUState, gpr[27]) },
2607     { "r28", offsetof(CPUState, gpr[28]) },
2608     { "r29", offsetof(CPUState, gpr[29]) },
2609     { "r30", offsetof(CPUState, gpr[30]) },
2610     { "r31", offsetof(CPUState, gpr[31]) },
2611     /* Floating point registers */
2612     { "f0", offsetof(CPUState, fpr[0]) },
2613     { "f1", offsetof(CPUState, fpr[1]) },
2614     { "f2", offsetof(CPUState, fpr[2]) },
2615     { "f3", offsetof(CPUState, fpr[3]) },
2616     { "f4", offsetof(CPUState, fpr[4]) },
2617     { "f5", offsetof(CPUState, fpr[5]) },
2618     { "f6", offsetof(CPUState, fpr[6]) },
2619     { "f7", offsetof(CPUState, fpr[7]) },
2620     { "f8", offsetof(CPUState, fpr[8]) },
2621     { "f9", offsetof(CPUState, fpr[9]) },
2622     { "f10", offsetof(CPUState, fpr[10]) },
2623     { "f11", offsetof(CPUState, fpr[11]) },
2624     { "f12", offsetof(CPUState, fpr[12]) },
2625     { "f13", offsetof(CPUState, fpr[13]) },
2626     { "f14", offsetof(CPUState, fpr[14]) },
2627     { "f15", offsetof(CPUState, fpr[15]) },
2628     { "f16", offsetof(CPUState, fpr[16]) },
2629     { "f17", offsetof(CPUState, fpr[17]) },
2630     { "f18", offsetof(CPUState, fpr[18]) },
2631     { "f19", offsetof(CPUState, fpr[19]) },
2632     { "f20", offsetof(CPUState, fpr[20]) },
2633     { "f21", offsetof(CPUState, fpr[21]) },
2634     { "f22", offsetof(CPUState, fpr[22]) },
2635     { "f23", offsetof(CPUState, fpr[23]) },
2636     { "f24", offsetof(CPUState, fpr[24]) },
2637     { "f25", offsetof(CPUState, fpr[25]) },
2638     { "f26", offsetof(CPUState, fpr[26]) },
2639     { "f27", offsetof(CPUState, fpr[27]) },
2640     { "f28", offsetof(CPUState, fpr[28]) },
2641     { "f29", offsetof(CPUState, fpr[29]) },
2642     { "f30", offsetof(CPUState, fpr[30]) },
2643     { "f31", offsetof(CPUState, fpr[31]) },
2644     { "fpscr", offsetof(CPUState, fpscr) },
2645     /* Next instruction pointer */
2646     { "nip|pc", offsetof(CPUState, nip) },
2647     { "lr", offsetof(CPUState, lr) },
2648     { "ctr", offsetof(CPUState, ctr) },
2649     { "decr", 0, &monitor_get_decr, },
2650     { "ccr", 0, &monitor_get_ccr, },
2651     /* Machine state register */
2652     { "msr", 0, &monitor_get_msr, },
2653     { "xer", 0, &monitor_get_xer, },
2654     { "tbu", 0, &monitor_get_tbu, },
2655     { "tbl", 0, &monitor_get_tbl, },
2656 #if defined(TARGET_PPC64)
2657     /* Address space register */
2658     { "asr", offsetof(CPUState, asr) },
2659 #endif
2660     /* Segment registers */
2661     { "sdr1", offsetof(CPUState, sdr1) },
2662     { "sr0", offsetof(CPUState, sr[0]) },
2663     { "sr1", offsetof(CPUState, sr[1]) },
2664     { "sr2", offsetof(CPUState, sr[2]) },
2665     { "sr3", offsetof(CPUState, sr[3]) },
2666     { "sr4", offsetof(CPUState, sr[4]) },
2667     { "sr5", offsetof(CPUState, sr[5]) },
2668     { "sr6", offsetof(CPUState, sr[6]) },
2669     { "sr7", offsetof(CPUState, sr[7]) },
2670     { "sr8", offsetof(CPUState, sr[8]) },
2671     { "sr9", offsetof(CPUState, sr[9]) },
2672     { "sr10", offsetof(CPUState, sr[10]) },
2673     { "sr11", offsetof(CPUState, sr[11]) },
2674     { "sr12", offsetof(CPUState, sr[12]) },
2675     { "sr13", offsetof(CPUState, sr[13]) },
2676     { "sr14", offsetof(CPUState, sr[14]) },
2677     { "sr15", offsetof(CPUState, sr[15]) },
2678     /* Too lazy to put BATs and SPRs ... */
2679 #elif defined(TARGET_SPARC)
2680     { "g0", offsetof(CPUState, gregs[0]) },
2681     { "g1", offsetof(CPUState, gregs[1]) },
2682     { "g2", offsetof(CPUState, gregs[2]) },
2683     { "g3", offsetof(CPUState, gregs[3]) },
2684     { "g4", offsetof(CPUState, gregs[4]) },
2685     { "g5", offsetof(CPUState, gregs[5]) },
2686     { "g6", offsetof(CPUState, gregs[6]) },
2687     { "g7", offsetof(CPUState, gregs[7]) },
2688     { "o0", 0, monitor_get_reg },
2689     { "o1", 1, monitor_get_reg },
2690     { "o2", 2, monitor_get_reg },
2691     { "o3", 3, monitor_get_reg },
2692     { "o4", 4, monitor_get_reg },
2693     { "o5", 5, monitor_get_reg },
2694     { "o6", 6, monitor_get_reg },
2695     { "o7", 7, monitor_get_reg },
2696     { "l0", 8, monitor_get_reg },
2697     { "l1", 9, monitor_get_reg },
2698     { "l2", 10, monitor_get_reg },
2699     { "l3", 11, monitor_get_reg },
2700     { "l4", 12, monitor_get_reg },
2701     { "l5", 13, monitor_get_reg },
2702     { "l6", 14, monitor_get_reg },
2703     { "l7", 15, monitor_get_reg },
2704     { "i0", 16, monitor_get_reg },
2705     { "i1", 17, monitor_get_reg },
2706     { "i2", 18, monitor_get_reg },
2707     { "i3", 19, monitor_get_reg },
2708     { "i4", 20, monitor_get_reg },
2709     { "i5", 21, monitor_get_reg },
2710     { "i6", 22, monitor_get_reg },
2711     { "i7", 23, monitor_get_reg },
2712     { "pc", offsetof(CPUState, pc) },
2713     { "npc", offsetof(CPUState, npc) },
2714     { "y", offsetof(CPUState, y) },
2715 #ifndef TARGET_SPARC64
2716     { "psr", 0, &monitor_get_psr, },
2717     { "wim", offsetof(CPUState, wim) },
2718 #endif
2719     { "tbr", offsetof(CPUState, tbr) },
2720     { "fsr", offsetof(CPUState, fsr) },
2721     { "f0", offsetof(CPUState, fpr[0]) },
2722     { "f1", offsetof(CPUState, fpr[1]) },
2723     { "f2", offsetof(CPUState, fpr[2]) },
2724     { "f3", offsetof(CPUState, fpr[3]) },
2725     { "f4", offsetof(CPUState, fpr[4]) },
2726     { "f5", offsetof(CPUState, fpr[5]) },
2727     { "f6", offsetof(CPUState, fpr[6]) },
2728     { "f7", offsetof(CPUState, fpr[7]) },
2729     { "f8", offsetof(CPUState, fpr[8]) },
2730     { "f9", offsetof(CPUState, fpr[9]) },
2731     { "f10", offsetof(CPUState, fpr[10]) },
2732     { "f11", offsetof(CPUState, fpr[11]) },
2733     { "f12", offsetof(CPUState, fpr[12]) },
2734     { "f13", offsetof(CPUState, fpr[13]) },
2735     { "f14", offsetof(CPUState, fpr[14]) },
2736     { "f15", offsetof(CPUState, fpr[15]) },
2737     { "f16", offsetof(CPUState, fpr[16]) },
2738     { "f17", offsetof(CPUState, fpr[17]) },
2739     { "f18", offsetof(CPUState, fpr[18]) },
2740     { "f19", offsetof(CPUState, fpr[19]) },
2741     { "f20", offsetof(CPUState, fpr[20]) },
2742     { "f21", offsetof(CPUState, fpr[21]) },
2743     { "f22", offsetof(CPUState, fpr[22]) },
2744     { "f23", offsetof(CPUState, fpr[23]) },
2745     { "f24", offsetof(CPUState, fpr[24]) },
2746     { "f25", offsetof(CPUState, fpr[25]) },
2747     { "f26", offsetof(CPUState, fpr[26]) },
2748     { "f27", offsetof(CPUState, fpr[27]) },
2749     { "f28", offsetof(CPUState, fpr[28]) },
2750     { "f29", offsetof(CPUState, fpr[29]) },
2751     { "f30", offsetof(CPUState, fpr[30]) },
2752     { "f31", offsetof(CPUState, fpr[31]) },
2753 #ifdef TARGET_SPARC64
2754     { "f32", offsetof(CPUState, fpr[32]) },
2755     { "f34", offsetof(CPUState, fpr[34]) },
2756     { "f36", offsetof(CPUState, fpr[36]) },
2757     { "f38", offsetof(CPUState, fpr[38]) },
2758     { "f40", offsetof(CPUState, fpr[40]) },
2759     { "f42", offsetof(CPUState, fpr[42]) },
2760     { "f44", offsetof(CPUState, fpr[44]) },
2761     { "f46", offsetof(CPUState, fpr[46]) },
2762     { "f48", offsetof(CPUState, fpr[48]) },
2763     { "f50", offsetof(CPUState, fpr[50]) },
2764     { "f52", offsetof(CPUState, fpr[52]) },
2765     { "f54", offsetof(CPUState, fpr[54]) },
2766     { "f56", offsetof(CPUState, fpr[56]) },
2767     { "f58", offsetof(CPUState, fpr[58]) },
2768     { "f60", offsetof(CPUState, fpr[60]) },
2769     { "f62", offsetof(CPUState, fpr[62]) },
2770     { "asi", offsetof(CPUState, asi) },
2771     { "pstate", offsetof(CPUState, pstate) },
2772     { "cansave", offsetof(CPUState, cansave) },
2773     { "canrestore", offsetof(CPUState, canrestore) },
2774     { "otherwin", offsetof(CPUState, otherwin) },
2775     { "wstate", offsetof(CPUState, wstate) },
2776     { "cleanwin", offsetof(CPUState, cleanwin) },
2777     { "fprs", offsetof(CPUState, fprs) },
2778 #endif
2779 #endif
2780     { NULL },
2781 };
2782
2783 static void expr_error(Monitor *mon, const char *msg)
2784 {
2785     monitor_printf(mon, "%s\n", msg);
2786     longjmp(expr_env, 1);
2787 }
2788
2789 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2790 static int get_monitor_def(target_long *pval, const char *name)
2791 {
2792     const MonitorDef *md;
2793     void *ptr;
2794
2795     for(md = monitor_defs; md->name != NULL; md++) {
2796         if (compare_cmd(name, md->name)) {
2797             if (md->get_value) {
2798                 *pval = md->get_value(md, md->offset);
2799             } else {
2800                 CPUState *env = mon_get_cpu();
2801                 if (!env)
2802                     return -2;
2803                 ptr = (uint8_t *)env + md->offset;
2804                 switch(md->type) {
2805                 case MD_I32:
2806                     *pval = *(int32_t *)ptr;
2807                     break;
2808                 case MD_TLONG:
2809                     *pval = *(target_long *)ptr;
2810                     break;
2811                 default:
2812                     *pval = 0;
2813                     break;
2814                 }
2815             }
2816             return 0;
2817         }
2818     }
2819     return -1;
2820 }
2821
2822 static void next(void)
2823 {
2824     if (*pch != '\0') {
2825         pch++;
2826         while (qemu_isspace(*pch))
2827             pch++;
2828     }
2829 }
2830
2831 static int64_t expr_sum(Monitor *mon);
2832
2833 static int64_t expr_unary(Monitor *mon)
2834 {
2835     int64_t n;
2836     char *p;
2837     int ret;
2838
2839     switch(*pch) {
2840     case '+':
2841         next();
2842         n = expr_unary(mon);
2843         break;
2844     case '-':
2845         next();
2846         n = -expr_unary(mon);
2847         break;
2848     case '~':
2849         next();
2850         n = ~expr_unary(mon);
2851         break;
2852     case '(':
2853         next();
2854         n = expr_sum(mon);
2855         if (*pch != ')') {
2856             expr_error(mon, "')' expected");
2857         }
2858         next();
2859         break;
2860     case '\'':
2861         pch++;
2862         if (*pch == '\0')
2863             expr_error(mon, "character constant expected");
2864         n = *pch;
2865         pch++;
2866         if (*pch != '\'')
2867             expr_error(mon, "missing terminating \' character");
2868         next();
2869         break;
2870     case '$':
2871         {
2872             char buf[128], *q;
2873             target_long reg=0;
2874
2875             pch++;
2876             q = buf;
2877             while ((*pch >= 'a' && *pch <= 'z') ||
2878                    (*pch >= 'A' && *pch <= 'Z') ||
2879                    (*pch >= '0' && *pch <= '9') ||
2880                    *pch == '_' || *pch == '.') {
2881                 if ((q - buf) < sizeof(buf) - 1)
2882                     *q++ = *pch;
2883                 pch++;
2884             }
2885             while (qemu_isspace(*pch))
2886                 pch++;
2887             *q = 0;
2888             ret = get_monitor_def(&reg, buf);
2889             if (ret == -1)
2890                 expr_error(mon, "unknown register");
2891             else if (ret == -2)
2892                 expr_error(mon, "no cpu defined");
2893             n = reg;
2894         }
2895         break;
2896     case '\0':
2897         expr_error(mon, "unexpected end of expression");
2898         n = 0;
2899         break;
2900     default:
2901 #if TARGET_PHYS_ADDR_BITS > 32
2902         n = strtoull(pch, &p, 0);
2903 #else
2904         n = strtoul(pch, &p, 0);
2905 #endif
2906         if (pch == p) {
2907             expr_error(mon, "invalid char in expression");
2908         }
2909         pch = p;
2910         while (qemu_isspace(*pch))
2911             pch++;
2912         break;
2913     }
2914     return n;
2915 }
2916
2917
2918 static int64_t expr_prod(Monitor *mon)
2919 {
2920     int64_t val, val2;
2921     int op;
2922
2923     val = expr_unary(mon);
2924     for(;;) {
2925         op = *pch;
2926         if (op != '*' && op != '/' && op != '%')
2927             break;
2928         next();
2929         val2 = expr_unary(mon);
2930         switch(op) {
2931         default:
2932         case '*':
2933             val *= val2;
2934             break;
2935         case '/':
2936         case '%':
2937             if (val2 == 0)
2938                 expr_error(mon, "division by zero");
2939             if (op == '/')
2940                 val /= val2;
2941             else
2942                 val %= val2;
2943             break;
2944         }
2945     }
2946     return val;
2947 }
2948
2949 static int64_t expr_logic(Monitor *mon)
2950 {
2951     int64_t val, val2;
2952     int op;
2953
2954     val = expr_prod(mon);
2955     for(;;) {
2956         op = *pch;
2957         if (op != '&' && op != '|' && op != '^')
2958             break;
2959         next();
2960         val2 = expr_prod(mon);
2961         switch(op) {
2962         default:
2963         case '&':
2964             val &= val2;
2965             break;
2966         case '|':
2967             val |= val2;
2968             break;
2969         case '^':
2970             val ^= val2;
2971             break;
2972         }
2973     }
2974     return val;
2975 }
2976
2977 static int64_t expr_sum(Monitor *mon)
2978 {
2979     int64_t val, val2;
2980     int op;
2981
2982     val = expr_logic(mon);
2983     for(;;) {
2984         op = *pch;
2985         if (op != '+' && op != '-')
2986             break;
2987         next();
2988         val2 = expr_logic(mon);
2989         if (op == '+')
2990             val += val2;
2991         else
2992             val -= val2;
2993     }
2994     return val;
2995 }
2996
2997 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2998 {
2999     pch = *pp;
3000     if (setjmp(expr_env)) {
3001         *pp = pch;
3002         return -1;
3003     }
3004     while (qemu_isspace(*pch))
3005         pch++;
3006     *pval = expr_sum(mon);
3007     *pp = pch;
3008     return 0;
3009 }
3010
3011 static int get_str(char *buf, int buf_size, const char **pp)
3012 {
3013     const char *p;
3014     char *q;
3015     int c;
3016
3017     q = buf;
3018     p = *pp;
3019     while (qemu_isspace(*p))
3020         p++;
3021     if (*p == '\0') {
3022     fail:
3023         *q = '\0';
3024         *pp = p;
3025         return -1;
3026     }
3027     if (*p == '\"') {
3028         p++;
3029         while (*p != '\0' && *p != '\"') {
3030             if (*p == '\\') {
3031                 p++;
3032                 c = *p++;
3033                 switch(c) {
3034                 case 'n':
3035                     c = '\n';
3036                     break;
3037                 case 'r':
3038                     c = '\r';
3039                     break;
3040                 case '\\':
3041                 case '\'':
3042                 case '\"':
3043                     break;
3044                 default:
3045                     qemu_printf("unsupported escape code: '\\%c'\n", c);
3046                     goto fail;
3047                 }
3048                 if ((q - buf) < buf_size - 1) {
3049                     *q++ = c;
3050                 }
3051             } else {
3052                 if ((q - buf) < buf_size - 1) {
3053                     *q++ = *p;
3054                 }
3055                 p++;
3056             }
3057         }
3058         if (*p != '\"') {
3059             qemu_printf("unterminated string\n");
3060             goto fail;
3061         }
3062         p++;
3063     } else {
3064         while (*p != '\0' && !qemu_isspace(*p)) {
3065             if ((q - buf) < buf_size - 1) {
3066                 *q++ = *p;
3067             }
3068             p++;
3069         }
3070     }
3071     *q = '\0';
3072     *pp = p;
3073     return 0;
3074 }
3075
3076 /*
3077  * Store the command-name in cmdname, and return a pointer to
3078  * the remaining of the command string.
3079  */
3080 static const char *get_command_name(const char *cmdline,
3081                                     char *cmdname, size_t nlen)
3082 {
3083     size_t len;
3084     const char *p, *pstart;
3085
3086     p = cmdline;
3087     while (qemu_isspace(*p))
3088         p++;
3089     if (*p == '\0')
3090         return NULL;
3091     pstart = p;
3092     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3093         p++;
3094     len = p - pstart;
3095     if (len > nlen - 1)
3096         len = nlen - 1;
3097     memcpy(cmdname, pstart, len);
3098     cmdname[len] = '\0';
3099     return p;
3100 }
3101
3102 /**
3103  * Read key of 'type' into 'key' and return the current
3104  * 'type' pointer.
3105  */
3106 static char *key_get_info(const char *type, char **key)
3107 {
3108     size_t len;
3109     char *p, *str;
3110
3111     if (*type == ',')
3112         type++;
3113
3114     p = strchr(type, ':');
3115     if (!p) {
3116         *key = NULL;
3117         return NULL;
3118     }
3119     len = p - type;
3120
3121     str = qemu_malloc(len + 1);
3122     memcpy(str, type, len);
3123     str[len] = '\0';
3124
3125     *key = str;
3126     return ++p;
3127 }
3128
3129 static int default_fmt_format = 'x';
3130 static int default_fmt_size = 4;
3131
3132 #define MAX_ARGS 16
3133
3134 static int is_valid_option(const char *c, const char *typestr)
3135 {
3136     char option[3];
3137
3138     option[0] = '-';
3139     option[1] = *c;
3140     option[2] = '\0';
3141
3142     typestr = strstr(typestr, option);
3143     return (typestr != NULL);
3144 }
3145
3146 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3147 {
3148     const mon_cmd_t *cmd;
3149
3150     for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3151         if (compare_cmd(cmdname, cmd->name)) {
3152             return cmd;
3153         }
3154     }
3155
3156     return NULL;
3157 }
3158
3159 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3160                                               const char *cmdline,
3161                                               QDict *qdict)
3162 {
3163     const char *p, *typestr;
3164     int c;
3165     const mon_cmd_t *cmd;
3166     char cmdname[256];
3167     char buf[1024];
3168     char *key;
3169
3170 #ifdef DEBUG
3171     monitor_printf(mon, "command='%s'\n", cmdline);
3172 #endif
3173
3174     /* extract the command name */
3175     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3176     if (!p)
3177         return NULL;
3178
3179     cmd = monitor_find_command(cmdname);
3180     if (!cmd) {
3181         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3182         return NULL;
3183     }
3184
3185     /* parse the parameters */
3186     typestr = cmd->args_type;
3187     for(;;) {
3188         typestr = key_get_info(typestr, &key);
3189         if (!typestr)
3190             break;
3191         c = *typestr;
3192         typestr++;
3193         switch(c) {
3194         case 'F':
3195         case 'B':
3196         case 's':
3197             {
3198                 int ret;
3199
3200                 while (qemu_isspace(*p))
3201                     p++;
3202                 if (*typestr == '?') {
3203                     typestr++;
3204                     if (*p == '\0') {
3205                         /* no optional string: NULL argument */
3206                         break;
3207                     }
3208                 }
3209                 ret = get_str(buf, sizeof(buf), &p);
3210                 if (ret < 0) {
3211                     switch(c) {
3212                     case 'F':
3213                         monitor_printf(mon, "%s: filename expected\n",
3214                                        cmdname);
3215                         break;
3216                     case 'B':
3217                         monitor_printf(mon, "%s: block device name expected\n",
3218                                        cmdname);
3219                         break;
3220                     default:
3221                         monitor_printf(mon, "%s: string expected\n", cmdname);
3222                         break;
3223                     }
3224                     goto fail;
3225                 }
3226                 qdict_put(qdict, key, qstring_from_str(buf));
3227             }
3228             break;
3229         case '/':
3230             {
3231                 int count, format, size;
3232
3233                 while (qemu_isspace(*p))
3234                     p++;
3235                 if (*p == '/') {
3236                     /* format found */
3237                     p++;
3238                     count = 1;
3239                     if (qemu_isdigit(*p)) {
3240                         count = 0;
3241                         while (qemu_isdigit(*p)) {
3242                             count = count * 10 + (*p - '0');
3243                             p++;
3244                         }
3245                     }
3246                     size = -1;
3247                     format = -1;
3248                     for(;;) {
3249                         switch(*p) {
3250                         case 'o':
3251                         case 'd':
3252                         case 'u':
3253                         case 'x':
3254                         case 'i':
3255                         case 'c':
3256                             format = *p++;
3257                             break;
3258                         case 'b':
3259                             size = 1;
3260                             p++;
3261                             break;
3262                         case 'h':
3263                             size = 2;
3264                             p++;
3265                             break;
3266                         case 'w':
3267                             size = 4;
3268                             p++;
3269                             break;
3270                         case 'g':
3271                         case 'L':
3272                             size = 8;
3273                             p++;
3274                             break;
3275                         default:
3276                             goto next;
3277                         }
3278                     }
3279                 next:
3280                     if (*p != '\0' && !qemu_isspace(*p)) {
3281                         monitor_printf(mon, "invalid char in format: '%c'\n",
3282                                        *p);
3283                         goto fail;
3284                     }
3285                     if (format < 0)
3286                         format = default_fmt_format;
3287                     if (format != 'i') {
3288                         /* for 'i', not specifying a size gives -1 as size */
3289                         if (size < 0)
3290                             size = default_fmt_size;
3291                         default_fmt_size = size;
3292                     }
3293                     default_fmt_format = format;
3294                 } else {
3295                     count = 1;
3296                     format = default_fmt_format;
3297                     if (format != 'i') {
3298                         size = default_fmt_size;
3299                     } else {
3300                         size = -1;
3301                     }
3302                 }
3303                 qdict_put(qdict, "count", qint_from_int(count));
3304                 qdict_put(qdict, "format", qint_from_int(format));
3305                 qdict_put(qdict, "size", qint_from_int(size));
3306             }
3307             break;
3308         case 'i':
3309         case 'l':
3310             {
3311                 int64_t val;
3312
3313                 while (qemu_isspace(*p))
3314                     p++;
3315                 if (*typestr == '?' || *typestr == '.') {
3316                     if (*typestr == '?') {
3317                         if (*p == '\0') {
3318                             typestr++;
3319                             break;
3320                         }
3321                     } else {
3322                         if (*p == '.') {
3323                             p++;
3324                             while (qemu_isspace(*p))
3325                                 p++;
3326                         } else {
3327                             typestr++;
3328                             break;
3329                         }
3330                     }
3331                     typestr++;
3332                 }
3333                 if (get_expr(mon, &val, &p))
3334                     goto fail;
3335                 /* Check if 'i' is greater than 32-bit */
3336                 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3337                     monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3338                     monitor_printf(mon, "integer is for 32-bit values\n");
3339                     goto fail;
3340                 }
3341                 qdict_put(qdict, key, qint_from_int(val));
3342             }
3343             break;
3344         case '-':
3345             {
3346                 const char *tmp = p;
3347                 int has_option, skip_key = 0;
3348                 /* option */
3349
3350                 c = *typestr++;
3351                 if (c == '\0')
3352                     goto bad_type;
3353                 while (qemu_isspace(*p))
3354                     p++;
3355                 has_option = 0;
3356                 if (*p == '-') {
3357                     p++;
3358                     if(c != *p) {
3359                         if(!is_valid_option(p, typestr)) {
3360
3361                             monitor_printf(mon, "%s: unsupported option -%c\n",
3362                                            cmdname, *p);
3363                             goto fail;
3364                         } else {
3365                             skip_key = 1;
3366                         }
3367                     }
3368                     if(skip_key) {
3369                         p = tmp;
3370                     } else {
3371                         p++;
3372                         has_option = 1;
3373                     }
3374                 }
3375                 qdict_put(qdict, key, qint_from_int(has_option));
3376             }
3377             break;
3378         default:
3379         bad_type:
3380             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3381             goto fail;
3382         }
3383         qemu_free(key);
3384         key = NULL;
3385     }
3386     /* check that all arguments were parsed */
3387     while (qemu_isspace(*p))
3388         p++;
3389     if (*p != '\0') {
3390         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3391                        cmdname);
3392         goto fail;
3393     }
3394
3395     return cmd;
3396
3397 fail:
3398     qemu_free(key);
3399     return NULL;
3400 }
3401
3402 static void monitor_print_error(Monitor *mon)
3403 {
3404     qerror_print(mon->error);
3405     QDECREF(mon->error);
3406     mon->error = NULL;
3407 }
3408
3409 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3410                                  const QDict *params)
3411 {
3412     QObject *data = NULL;
3413
3414     cmd->mhandler.cmd_new(mon, params, &data);
3415
3416     if (monitor_ctrl_mode(mon)) {
3417         /* Monitor Protocol */
3418         monitor_protocol_emitter(mon, data);
3419     } else {
3420         /* User Protocol */
3421          if (data)
3422             cmd->user_print(mon, data);
3423     }
3424
3425     qobject_decref(data);
3426 }
3427
3428 static void handle_user_command(Monitor *mon, const char *cmdline)
3429 {
3430     QDict *qdict;
3431     const mon_cmd_t *cmd;
3432
3433     qdict = qdict_new();
3434
3435     cmd = monitor_parse_command(mon, cmdline, qdict);
3436     if (!cmd)
3437         goto out;
3438
3439     qemu_errors_to_mon(mon);
3440
3441     if (monitor_handler_ported(cmd)) {
3442         monitor_call_handler(mon, cmd, qdict);
3443     } else {
3444         cmd->mhandler.cmd(mon, qdict);
3445     }
3446
3447     if (monitor_has_error(mon))
3448         monitor_print_error(mon);
3449
3450     qemu_errors_to_previous();
3451
3452 out:
3453     QDECREF(qdict);
3454 }
3455
3456 static void cmd_completion(const char *name, const char *list)
3457 {
3458     const char *p, *pstart;
3459     char cmd[128];
3460     int len;
3461
3462     p = list;
3463     for(;;) {
3464         pstart = p;
3465         p = strchr(p, '|');
3466         if (!p)
3467             p = pstart + strlen(pstart);
3468         len = p - pstart;
3469         if (len > sizeof(cmd) - 2)
3470             len = sizeof(cmd) - 2;
3471         memcpy(cmd, pstart, len);
3472         cmd[len] = '\0';
3473         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3474             readline_add_completion(cur_mon->rs, cmd);
3475         }
3476         if (*p == '\0')
3477             break;
3478         p++;
3479     }
3480 }
3481
3482 static void file_completion(const char *input)
3483 {
3484     DIR *ffs;
3485     struct dirent *d;
3486     char path[1024];
3487     char file[1024], file_prefix[1024];
3488     int input_path_len;
3489     const char *p;
3490
3491     p = strrchr(input, '/');
3492     if (!p) {
3493         input_path_len = 0;
3494         pstrcpy(file_prefix, sizeof(file_prefix), input);
3495         pstrcpy(path, sizeof(path), ".");
3496     } else {
3497         input_path_len = p - input + 1;
3498         memcpy(path, input, input_path_len);
3499         if (input_path_len > sizeof(path) - 1)
3500             input_path_len = sizeof(path) - 1;
3501         path[input_path_len] = '\0';
3502         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3503     }
3504 #ifdef DEBUG_COMPLETION
3505     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3506                    input, path, file_prefix);
3507 #endif
3508     ffs = opendir(path);
3509     if (!ffs)
3510         return;
3511     for(;;) {
3512         struct stat sb;
3513         d = readdir(ffs);
3514         if (!d)
3515             break;
3516         if (strstart(d->d_name, file_prefix, NULL)) {
3517             memcpy(file, input, input_path_len);
3518             if (input_path_len < sizeof(file))
3519                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3520                         d->d_name);
3521             /* stat the file to find out if it's a directory.
3522              * In that case add a slash to speed up typing long paths
3523              */
3524             stat(file, &sb);
3525             if(S_ISDIR(sb.st_mode))
3526                 pstrcat(file, sizeof(file), "/");
3527             readline_add_completion(cur_mon->rs, file);
3528         }
3529     }
3530     closedir(ffs);
3531 }
3532
3533 static void block_completion_it(void *opaque, BlockDriverState *bs)
3534 {
3535     const char *name = bdrv_get_device_name(bs);
3536     const char *input = opaque;
3537
3538     if (input[0] == '\0' ||
3539         !strncmp(name, (char *)input, strlen(input))) {
3540         readline_add_completion(cur_mon->rs, name);
3541     }
3542 }
3543
3544 /* NOTE: this parser is an approximate form of the real command parser */
3545 static void parse_cmdline(const char *cmdline,
3546                          int *pnb_args, char **args)
3547 {
3548     const char *p;
3549     int nb_args, ret;
3550     char buf[1024];
3551
3552     p = cmdline;
3553     nb_args = 0;
3554     for(;;) {
3555         while (qemu_isspace(*p))
3556             p++;
3557         if (*p == '\0')
3558             break;
3559         if (nb_args >= MAX_ARGS)
3560             break;
3561         ret = get_str(buf, sizeof(buf), &p);
3562         args[nb_args] = qemu_strdup(buf);
3563         nb_args++;
3564         if (ret < 0)
3565             break;
3566     }
3567     *pnb_args = nb_args;
3568 }
3569
3570 static const char *next_arg_type(const char *typestr)
3571 {
3572     const char *p = strchr(typestr, ':');
3573     return (p != NULL ? ++p : typestr);
3574 }
3575
3576 static void monitor_find_completion(const char *cmdline)
3577 {
3578     const char *cmdname;
3579     char *args[MAX_ARGS];
3580     int nb_args, i, len;
3581     const char *ptype, *str;
3582     const mon_cmd_t *cmd;
3583     const KeyDef *key;
3584
3585     parse_cmdline(cmdline, &nb_args, args);
3586 #ifdef DEBUG_COMPLETION
3587     for(i = 0; i < nb_args; i++) {
3588         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3589     }
3590 #endif
3591
3592     /* if the line ends with a space, it means we want to complete the
3593        next arg */
3594     len = strlen(cmdline);
3595     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3596         if (nb_args >= MAX_ARGS)
3597             return;
3598         args[nb_args++] = qemu_strdup("");
3599     }
3600     if (nb_args <= 1) {
3601         /* command completion */
3602         if (nb_args == 0)
3603             cmdname = "";
3604         else
3605             cmdname = args[0];
3606         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3607         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3608             cmd_completion(cmdname, cmd->name);
3609         }
3610     } else {
3611         /* find the command */
3612         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3613             if (compare_cmd(args[0], cmd->name))
3614                 goto found;
3615         }
3616         return;
3617     found:
3618         ptype = next_arg_type(cmd->args_type);
3619         for(i = 0; i < nb_args - 2; i++) {
3620             if (*ptype != '\0') {
3621                 ptype = next_arg_type(ptype);
3622                 while (*ptype == '?')
3623                     ptype = next_arg_type(ptype);
3624             }
3625         }
3626         str = args[nb_args - 1];
3627         if (*ptype == '-' && ptype[1] != '\0') {
3628             ptype += 2;
3629         }
3630         switch(*ptype) {
3631         case 'F':
3632             /* file completion */
3633             readline_set_completion_index(cur_mon->rs, strlen(str));
3634             file_completion(str);
3635             break;
3636         case 'B':
3637             /* block device name completion */
3638             readline_set_completion_index(cur_mon->rs, strlen(str));
3639             bdrv_iterate(block_completion_it, (void *)str);
3640             break;
3641         case 's':
3642             /* XXX: more generic ? */
3643             if (!strcmp(cmd->name, "info")) {
3644                 readline_set_completion_index(cur_mon->rs, strlen(str));
3645                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3646                     cmd_completion(str, cmd->name);
3647                 }
3648             } else if (!strcmp(cmd->name, "sendkey")) {
3649                 char *sep = strrchr(str, '-');
3650                 if (sep)
3651                     str = sep + 1;
3652                 readline_set_completion_index(cur_mon->rs, strlen(str));
3653                 for(key = key_defs; key->name != NULL; key++) {
3654                     cmd_completion(str, key->name);
3655                 }
3656             } else if (!strcmp(cmd->name, "help|?")) {
3657                 readline_set_completion_index(cur_mon->rs, strlen(str));
3658                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3659                     cmd_completion(str, cmd->name);
3660                 }
3661             }
3662             break;
3663         default:
3664             break;
3665         }
3666     }
3667     for(i = 0; i < nb_args; i++)
3668         qemu_free(args[i]);
3669 }
3670
3671 static int monitor_can_read(void *opaque)
3672 {
3673     Monitor *mon = opaque;
3674
3675     return (mon->suspend_cnt == 0) ? 128 : 0;
3676 }
3677
3678 typedef struct CmdArgs {
3679     QString *name;
3680     int type;
3681     int flag;
3682     int optional;
3683 } CmdArgs;
3684
3685 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3686 {
3687     if (!cmd_args->optional) {
3688         qemu_error_new(QERR_MISSING_PARAMETER, name);
3689         return -1;
3690     }
3691
3692     if (cmd_args->type == '-') {
3693         /* handlers expect a value, they need to be changed */
3694         qdict_put(args, name, qint_from_int(0));
3695     }
3696
3697     return 0;
3698 }
3699
3700 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3701 {
3702     QObject *value;
3703     const char *name;
3704
3705     name = qstring_get_str(cmd_args->name);
3706
3707     if (!args) {
3708         return check_opt(cmd_args, name, args);
3709     }
3710
3711     value = qdict_get(args, name);
3712     if (!value) {
3713         return check_opt(cmd_args, name, args);
3714     }
3715
3716     switch (cmd_args->type) {
3717         case 'F':
3718         case 'B':
3719         case 's':
3720             if (qobject_type(value) != QTYPE_QSTRING) {
3721                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3722                 return -1;
3723             }
3724             break;
3725         case '/': {
3726             int i;
3727             const char *keys[] = { "count", "format", "size", NULL };
3728
3729             for (i = 0; keys[i]; i++) {
3730                 QObject *obj = qdict_get(args, keys[i]);
3731                 if (!obj) {
3732                     qemu_error_new(QERR_MISSING_PARAMETER, name);
3733                     return -1;
3734                 }
3735                 if (qobject_type(obj) != QTYPE_QINT) {
3736                     qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3737                     return -1;
3738                 }
3739             }
3740             break;
3741         }
3742         case 'i':
3743         case 'l':
3744             if (qobject_type(value) != QTYPE_QINT) {
3745                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3746                 return -1;
3747             }
3748             break;
3749         case '-':
3750             if (qobject_type(value) != QTYPE_QINT &&
3751                 qobject_type(value) != QTYPE_QBOOL) {
3752                 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3753                 return -1;
3754             }
3755             if (qobject_type(value) == QTYPE_QBOOL) {
3756                 /* handlers expect a QInt, they need to be changed */
3757                 qdict_put(args, name,
3758                          qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3759             }
3760             break;
3761         default:
3762             /* impossible */
3763             abort();
3764     }
3765
3766     return 0;
3767 }
3768
3769 static void cmd_args_init(CmdArgs *cmd_args)
3770 {
3771     cmd_args->name = qstring_new();
3772     cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3773 }
3774
3775 /*
3776  * This is not trivial, we have to parse Monitor command's argument
3777  * type syntax to be able to check the arguments provided by clients.
3778  *
3779  * In the near future we will be using an array for that and will be
3780  * able to drop all this parsing...
3781  */
3782 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3783 {
3784     int err;
3785     const char *p;
3786     CmdArgs cmd_args;
3787
3788     if (cmd->args_type == NULL) {
3789         return (qdict_size(args) == 0 ? 0 : -1);
3790     }
3791
3792     err = 0;
3793     cmd_args_init(&cmd_args);
3794
3795     for (p = cmd->args_type;; p++) {
3796         if (*p == ':') {
3797             cmd_args.type = *++p;
3798             p++;
3799             if (cmd_args.type == '-') {
3800                 cmd_args.flag = *p++;
3801                 cmd_args.optional = 1;
3802             } else if (*p == '?') {
3803                 cmd_args.optional = 1;
3804                 p++;
3805             }
3806
3807             assert(*p == ',' || *p == '\0');
3808             err = check_arg(&cmd_args, args);
3809
3810             QDECREF(cmd_args.name);
3811             cmd_args_init(&cmd_args);
3812
3813             if (err < 0) {
3814                 break;
3815             }
3816         } else {
3817             qstring_append_chr(cmd_args.name, *p);
3818         }
3819
3820         if (*p == '\0') {
3821             break;
3822         }
3823     }
3824
3825     QDECREF(cmd_args.name);
3826     return err;
3827 }
3828
3829 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
3830 {
3831     int err;
3832     QObject *obj;
3833     QDict *input, *args;
3834     const mon_cmd_t *cmd;
3835     Monitor *mon = cur_mon;
3836     const char *cmd_name, *info_item;
3837
3838     args = NULL;
3839     qemu_errors_to_mon(mon);
3840
3841     obj = json_parser_parse(tokens, NULL);
3842     if (!obj) {
3843         // FIXME: should be triggered in json_parser_parse()
3844         qemu_error_new(QERR_JSON_PARSING);
3845         goto err_out;
3846     } else if (qobject_type(obj) != QTYPE_QDICT) {
3847         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
3848         qobject_decref(obj);
3849         goto err_out;
3850     }
3851
3852     input = qobject_to_qdict(obj);
3853
3854     mon->mc->id = qdict_get(input, "id");
3855     qobject_incref(mon->mc->id);
3856
3857     obj = qdict_get(input, "execute");
3858     if (!obj) {
3859         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
3860         goto err_input;
3861     } else if (qobject_type(obj) != QTYPE_QSTRING) {
3862         qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
3863         goto err_input;
3864     }
3865
3866     cmd_name = qstring_get_str(qobject_to_qstring(obj));
3867
3868     /*
3869      * XXX: We need this special case until we get info handlers
3870      * converted into 'query-' commands
3871      */
3872     if (compare_cmd(cmd_name, "info")) {
3873         qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3874         goto err_input;
3875     } else if (strstart(cmd_name, "query-", &info_item)) {
3876         cmd = monitor_find_command("info");
3877         qdict_put_obj(input, "arguments",
3878                       qobject_from_jsonf("{ 'item': %s }", info_item));
3879     } else {
3880         cmd = monitor_find_command(cmd_name);
3881         if (!cmd) {
3882             qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
3883             goto err_input;
3884         }
3885     }
3886
3887     obj = qdict_get(input, "arguments");
3888     if (!obj) {
3889         args = qdict_new();
3890     } else {
3891         args = qobject_to_qdict(obj);
3892         QINCREF(args);
3893     }
3894
3895     QDECREF(input);
3896
3897     err = monitor_check_qmp_args(cmd, args);
3898     if (err < 0) {
3899         goto err_out;
3900     }
3901
3902     monitor_call_handler(mon, cmd, args);
3903     goto out;
3904
3905 err_input:
3906     QDECREF(input);
3907 err_out:
3908     monitor_protocol_emitter(mon, NULL);
3909 out:
3910     QDECREF(args);
3911     qemu_errors_to_previous();
3912 }
3913
3914 /**
3915  * monitor_control_read(): Read and handle QMP input
3916  */
3917 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
3918 {
3919     Monitor *old_mon = cur_mon;
3920
3921     cur_mon = opaque;
3922
3923     json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
3924
3925     cur_mon = old_mon;
3926 }
3927
3928 static void monitor_read(void *opaque, const uint8_t *buf, int size)
3929 {
3930     Monitor *old_mon = cur_mon;
3931     int i;
3932
3933     cur_mon = opaque;
3934
3935     if (cur_mon->rs) {
3936         for (i = 0; i < size; i++)
3937             readline_handle_byte(cur_mon->rs, buf[i]);
3938     } else {
3939         if (size == 0 || buf[size - 1] != 0)
3940             monitor_printf(cur_mon, "corrupted command\n");
3941         else
3942             handle_user_command(cur_mon, (char *)buf);
3943     }
3944
3945     cur_mon = old_mon;
3946 }
3947
3948 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3949 {
3950     monitor_suspend(mon);
3951     handle_user_command(mon, cmdline);
3952     monitor_resume(mon);
3953 }
3954
3955 int monitor_suspend(Monitor *mon)
3956 {
3957     if (!mon->rs)
3958         return -ENOTTY;
3959     mon->suspend_cnt++;
3960     return 0;
3961 }
3962
3963 void monitor_resume(Monitor *mon)
3964 {
3965     if (!mon->rs)
3966         return;
3967     if (--mon->suspend_cnt == 0)
3968         readline_show_prompt(mon->rs);
3969 }
3970
3971 /**
3972  * monitor_control_event(): Print QMP gretting
3973  */
3974 static void monitor_control_event(void *opaque, int event)
3975 {
3976     if (event == CHR_EVENT_OPENED) {
3977         QObject *data;
3978         Monitor *mon = opaque;
3979
3980         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
3981
3982         data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
3983         assert(data != NULL);
3984
3985         monitor_json_emitter(mon, data);
3986         qobject_decref(data);
3987     }
3988 }
3989
3990 static void monitor_event(void *opaque, int event)
3991 {
3992     Monitor *mon = opaque;
3993
3994     switch (event) {
3995     case CHR_EVENT_MUX_IN:
3996         mon->mux_out = 0;
3997         if (mon->reset_seen) {
3998             readline_restart(mon->rs);
3999             monitor_resume(mon);
4000             monitor_flush(mon);
4001         } else {
4002             mon->suspend_cnt = 0;
4003         }
4004         break;
4005
4006     case CHR_EVENT_MUX_OUT:
4007         if (mon->reset_seen) {
4008             if (mon->suspend_cnt == 0) {
4009                 monitor_printf(mon, "\n");
4010             }
4011             monitor_flush(mon);
4012             monitor_suspend(mon);
4013         } else {
4014             mon->suspend_cnt++;
4015         }
4016         mon->mux_out = 1;
4017         break;
4018
4019     case CHR_EVENT_OPENED:
4020         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4021                        "information\n", QEMU_VERSION);
4022         if (!mon->mux_out) {
4023             readline_show_prompt(mon->rs);
4024         }
4025         mon->reset_seen = 1;
4026         break;
4027     }
4028 }
4029
4030
4031 /*
4032  * Local variables:
4033  *  c-indent-level: 4
4034  *  c-basic-offset: 4
4035  *  tab-width: 8
4036  * End:
4037  */
4038
4039 const char *monitor_cmdline_parse(const char *cmdline, int *flags)
4040 {
4041     const char *dev;
4042
4043     if (strstart(cmdline, "control,", &dev)) {
4044         if (strstart(dev, "vc", NULL)) {
4045             fprintf(stderr, "qemu: control mode is for low-level interaction ");
4046             fprintf(stderr, "cannot be used with device 'vc'\n");
4047             exit(1);
4048         }
4049         *flags &= ~MONITOR_USE_READLINE;
4050         *flags |= MONITOR_USE_CONTROL;
4051         return dev;
4052     }
4053
4054     return cmdline;
4055 }
4056
4057 void monitor_init(CharDriverState *chr, int flags)
4058 {
4059     static int is_first_init = 1;
4060     Monitor *mon;
4061
4062     if (is_first_init) {
4063         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4064         is_first_init = 0;
4065     }
4066
4067     mon = qemu_mallocz(sizeof(*mon));
4068
4069     mon->chr = chr;
4070     mon->flags = flags;
4071     if (flags & MONITOR_USE_READLINE) {
4072         mon->rs = readline_init(mon, monitor_find_completion);
4073         monitor_read_command(mon, 0);
4074     }
4075
4076     if (monitor_ctrl_mode(mon)) {
4077         mon->mc = qemu_mallocz(sizeof(MonitorControl));
4078         /* Control mode requires special handlers */
4079         qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4080                               monitor_control_event, mon);
4081     } else {
4082         qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4083                               monitor_event, mon);
4084     }
4085
4086     QLIST_INSERT_HEAD(&mon_list, mon, entry);
4087     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4088         cur_mon = mon;
4089 }
4090
4091 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4092 {
4093     BlockDriverState *bs = opaque;
4094     int ret = 0;
4095
4096     if (bdrv_set_key(bs, password) != 0) {
4097         monitor_printf(mon, "invalid password\n");
4098         ret = -EPERM;
4099     }
4100     if (mon->password_completion_cb)
4101         mon->password_completion_cb(mon->password_opaque, ret);
4102
4103     monitor_read_command(mon, 1);
4104 }
4105
4106 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4107                                  BlockDriverCompletionFunc *completion_cb,
4108                                  void *opaque)
4109 {
4110     int err;
4111
4112     if (!bdrv_key_required(bs)) {
4113         if (completion_cb)
4114             completion_cb(opaque, 0);
4115         return;
4116     }
4117
4118     if (monitor_ctrl_mode(mon)) {
4119         qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4120         return;
4121     }
4122
4123     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4124                    bdrv_get_encrypted_filename(bs));
4125
4126     mon->password_completion_cb = completion_cb;
4127     mon->password_opaque = opaque;
4128
4129     err = monitor_read_password(mon, bdrv_password_cb, bs);
4130
4131     if (err && completion_cb)
4132         completion_cb(opaque, err);
4133 }
4134
4135 typedef struct QemuErrorSink QemuErrorSink;
4136 struct QemuErrorSink {
4137     enum {
4138         ERR_SINK_FILE,
4139         ERR_SINK_MONITOR,
4140     } dest;
4141     union {
4142         FILE    *fp;
4143         Monitor *mon;
4144     };
4145     QemuErrorSink *previous;
4146 };
4147
4148 static QemuErrorSink *qemu_error_sink;
4149
4150 void qemu_errors_to_file(FILE *fp)
4151 {
4152     QemuErrorSink *sink;
4153
4154     sink = qemu_mallocz(sizeof(*sink));
4155     sink->dest = ERR_SINK_FILE;
4156     sink->fp = fp;
4157     sink->previous = qemu_error_sink;
4158     qemu_error_sink = sink;
4159 }
4160
4161 void qemu_errors_to_mon(Monitor *mon)
4162 {
4163     QemuErrorSink *sink;
4164
4165     sink = qemu_mallocz(sizeof(*sink));
4166     sink->dest = ERR_SINK_MONITOR;
4167     sink->mon = mon;
4168     sink->previous = qemu_error_sink;
4169     qemu_error_sink = sink;
4170 }
4171
4172 void qemu_errors_to_previous(void)
4173 {
4174     QemuErrorSink *sink;
4175
4176     assert(qemu_error_sink != NULL);
4177     sink = qemu_error_sink;
4178     qemu_error_sink = sink->previous;
4179     qemu_free(sink);
4180 }
4181
4182 void qemu_error(const char *fmt, ...)
4183 {
4184     va_list args;
4185
4186     assert(qemu_error_sink != NULL);
4187     switch (qemu_error_sink->dest) {
4188     case ERR_SINK_FILE:
4189         va_start(args, fmt);
4190         vfprintf(qemu_error_sink->fp, fmt, args);
4191         va_end(args);
4192         break;
4193     case ERR_SINK_MONITOR:
4194         va_start(args, fmt);
4195         monitor_vprintf(qemu_error_sink->mon, fmt, args);
4196         va_end(args);
4197         break;
4198     }
4199 }
4200
4201 void qemu_error_internal(const char *file, int linenr, const char *func,
4202                          const char *fmt, ...)
4203 {
4204     va_list va;
4205     QError *qerror;
4206
4207     assert(qemu_error_sink != NULL);
4208
4209     va_start(va, fmt);
4210     qerror = qerror_from_info(file, linenr, func, fmt, &va);
4211     va_end(va);
4212
4213     switch (qemu_error_sink->dest) {
4214     case ERR_SINK_FILE:
4215         qerror_print(qerror);
4216         QDECREF(qerror);
4217         break;
4218     case ERR_SINK_MONITOR:
4219         assert(qemu_error_sink->mon->error == NULL);
4220         qemu_error_sink->mon->error = qerror;
4221         break;
4222     }
4223 }