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 "blockdev.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 "qfloat.h"
  51 #include "qlist.h"
  52 #include "qbool.h"
  53 #include "qstring.h"
  54 #include "qjson.h"
  55 #include "json-streamer.h"
  56 #include "json-parser.h"
  57 #include "osdep.h"
  58 #include "exec-all.h"
  59 #ifdef CONFIG_SIMPLE_TRACE
  60 #include "trace.h"
  61 #endif
  62
  63 //#define DEBUG
  64 //#define DEBUG_COMPLETION
  65
  66 /*
  67  * Supported types:
  68  *
  69  * 'F'          filename
  70  * 'B'          block device name
  71  * 's'          string (accept optional quote)
  72  * 'O'          option string of the form NAME=VALUE,...
  73  *              parsed according to QemuOptsList given by its name
  74  *              Example: 'device:O' uses qemu_device_opts.
  75  *              Restriction: only lists with empty desc are supported
  76  *              TODO lift the restriction
  77  * 'i'          32 bit integer
  78  * 'l'          target long (32 or 64 bit)
  79  * 'M'          just like 'l', except in user mode the value is
  80  *              multiplied by 2^20 (think Mebibyte)
  81  * 'f'          double
  82  *              user mode accepts an optional G, g, M, m, K, k suffix,
  83  *              which multiplies the value by 2^30 for suffixes G and
  84  *              g, 2^20 for M and m, 2^10 for K and k
  85  * 'T'          double
  86  *              user mode accepts an optional ms, us, ns suffix,
  87  *              which divides the value by 1e3, 1e6, 1e9, respectively
  88  * '/'          optional gdb-like print format (like "/10x")
  89  *
  90  * '?'          optional type (for all types, except '/')
  91  * '.'          other form of optional type (for 'i' and 'l')
  92  * 'b'          boolean
  93  *              user mode accepts "on" or "off"
  94  * '-'          optional parameter (eg. '-f')
  95  *
  96  */
  97
  98 typedef struct MonitorCompletionData MonitorCompletionData;
  99 struct MonitorCompletionData {
 100     Monitor *mon;
 101     void (*user_print)(Monitor *mon, const QObject *data);
 102 };
 103
 104 typedef struct mon_cmd_t {
 105     const char *name;
 106     const char *args_type;
 107     const char *params;
 108     const char *help;
 109     void (*user_print)(Monitor *mon, const QObject *data);
 110     union {
 111         void (*info)(Monitor *mon);
 112         void (*info_new)(Monitor *mon, QObject **ret_data);
 113         int  (*info_async)(Monitor *mon, MonitorCompletion *cb, void *opaque);
 114         void (*cmd)(Monitor *mon, const QDict *qdict);
 115         int  (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
 116         int  (*cmd_async)(Monitor *mon, const QDict *params,
 117                           MonitorCompletion *cb, void *opaque);
 118     } mhandler;
 119     int flags;
 120 } mon_cmd_t;
 121
 122 /* file descriptors passed via SCM_RIGHTS */
 123 typedef struct mon_fd_t mon_fd_t;
 124 struct mon_fd_t {
 125     char *name;
 126     int fd;
 127     QLIST_ENTRY(mon_fd_t) next;
 128 };
 129
 130 typedef struct MonitorControl {
 131     QObject *id;
 132     JSONMessageParser parser;
 133     int command_mode;
 134 } MonitorControl;
 135
 136 struct Monitor {
 137     CharDriverState *chr;
 138     int mux_out;
 139     int reset_seen;
 140     int flags;
 141     int suspend_cnt;
 142     uint8_t outbuf[1024];
 143     int outbuf_index;
 144     ReadLineState *rs;
 145     MonitorControl *mc;
 146     CPUState *mon_cpu;
 147     BlockDriverCompletionFunc *password_completion_cb;
 148     void *password_opaque;
 149 #ifdef CONFIG_DEBUG_MONITOR
 150     int print_calls_nr;
 151 #endif
 152     QError *error;
 153     QLIST_HEAD(,mon_fd_t) fds;
 154     QLIST_ENTRY(Monitor) entry;
 155 };
 156
 157 #ifdef CONFIG_DEBUG_MONITOR
 158 #define MON_DEBUG(fmt, ...) do {    \
 159     fprintf(stderr, "Monitor: ");       \
 160     fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
 161
 162 static inline void mon_print_count_inc(Monitor *mon)
 163 {
 164     mon->print_calls_nr++;
 165 }
 166
 167 static inline void mon_print_count_init(Monitor *mon)
 168 {
 169     mon->print_calls_nr = 0;
 170 }
 171
 172 static inline int mon_print_count_get(const Monitor *mon)
 173 {
 174     return mon->print_calls_nr;
 175 }
 176
 177 #else /* !CONFIG_DEBUG_MONITOR */
 178 #define MON_DEBUG(fmt, ...) do { } while (0)
 179 static inline void mon_print_count_inc(Monitor *mon) { }
 180 static inline void mon_print_count_init(Monitor *mon) { }
 181 static inline int mon_print_count_get(const Monitor *mon) { return 0; }
 182 #endif /* CONFIG_DEBUG_MONITOR */
 183
 184 /* QMP checker flags */
 185 #define QMP_ACCEPT_UNKNOWNS 1
 186
 187 static QLIST_HEAD(mon_list, Monitor) mon_list;
 188
 189 static const mon_cmd_t mon_cmds[];
 190 static const mon_cmd_t info_cmds[];
 191
 192 static const mon_cmd_t qmp_cmds[];
 193 static const mon_cmd_t qmp_query_cmds[];
 194
 195 Monitor *cur_mon;
 196 Monitor *default_mon;
 197
 198 static void monitor_command_cb(Monitor *mon, const char *cmdline,
 199                                void *opaque);
 200
 201 static inline int qmp_cmd_mode(const Monitor *mon)
 202 {
 203     return (mon->mc ? mon->mc->command_mode : 0);
 204 }
 205
 206 /* Return true if in control mode, false otherwise */
 207 static inline int monitor_ctrl_mode(const Monitor *mon)
 208 {
 209     return (mon->flags & MONITOR_USE_CONTROL);
 210 }
 211
 212 /* Return non-zero iff we have a current monitor, and it is in QMP mode.  */
 213 int monitor_cur_is_qmp(void)
 214 {
 215     return cur_mon && monitor_ctrl_mode(cur_mon);
 216 }
 217
 218 static void monitor_read_command(Monitor *mon, int show_prompt)
 219 {
 220     if (!mon->rs)
 221         return;
 222
 223     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
 224     if (show_prompt)
 225         readline_show_prompt(mon->rs);
 226 }
 227
 228 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 229                                  void *opaque)
 230 {
 231     if (monitor_ctrl_mode(mon)) {
 232         qerror_report(QERR_MISSING_PARAMETER, "password");
 233         return -EINVAL;
 234     } else if (mon->rs) {
 235         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
 236         /* prompt is printed on return from the command handler */
 237         return 0;
 238     } else {
 239         monitor_printf(mon, "terminal does not support password prompting\n");
 240         return -ENOTTY;
 241     }
 242 }
 243
 244 void monitor_flush(Monitor *mon)
 245 {
 246     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
 247         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
 248         mon->outbuf_index = 0;
 249     }
 250 }
 251
 252 /* flush at every end of line or if the buffer is full */
 253 static void monitor_puts(Monitor *mon, const char *str)
 254 {
 255     char c;
 256
 257     for(;;) {
 258         c = *str++;
 259         if (c == '\0')
 260             break;
 261         if (c == '\n')
 262             mon->outbuf[mon->outbuf_index++] = '\r';
 263         mon->outbuf[mon->outbuf_index++] = c;
 264         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
 265             || c == '\n')
 266             monitor_flush(mon);
 267     }
 268 }
 269
 270 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 271 {
 272     char buf[4096];
 273
 274     if (!mon)
 275         return;
 276
 277     mon_print_count_inc(mon);
 278
 279     if (monitor_ctrl_mode(mon)) {
 280         return;
 281     }
 282
 283     vsnprintf(buf, sizeof(buf), fmt, ap);
 284     monitor_puts(mon, buf);
 285 }
 286
 287 void monitor_printf(Monitor *mon, const char *fmt, ...)
 288 {
 289     va_list ap;
 290     va_start(ap, fmt);
 291     monitor_vprintf(mon, fmt, ap);
 292     va_end(ap);
 293 }
 294
 295 void monitor_print_filename(Monitor *mon, const char *filename)
 296 {
 297     int i;
 298
 299     for (i = 0; filename[i]; i++) {
 300         switch (filename[i]) {
 301         case ' ':
 302         case '"':
 303         case '\\':
 304             monitor_printf(mon, "\\%c", filename[i]);
 305             break;
 306         case '\t':
 307             monitor_printf(mon, "\\t");
 308             break;
 309         case '\r':
 310             monitor_printf(mon, "\\r");
 311             break;
 312         case '\n':
 313             monitor_printf(mon, "\\n");
 314             break;
 315         default:
 316             monitor_printf(mon, "%c", filename[i]);
 317             break;
 318         }
 319     }
 320 }
 321
 322 static int GCC_FMT_ATTR(2, 3) monitor_fprintf(FILE *stream,
 323                                               const char *fmt, ...)
 324 {
 325     va_list ap;
 326     va_start(ap, fmt);
 327     monitor_vprintf((Monitor *)stream, fmt, ap);
 328     va_end(ap);
 329     return 0;
 330 }
 331
 332 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
 333
 334 static inline int handler_is_qobject(const mon_cmd_t *cmd)
 335 {
 336     return cmd->user_print != NULL;
 337 }
 338
 339 static inline bool handler_is_async(const mon_cmd_t *cmd)
 340 {
 341     return cmd->flags & MONITOR_CMD_ASYNC;
 342 }
 343
 344 static inline int monitor_has_error(const Monitor *mon)
 345 {
 346     return mon->error != NULL;
 347 }
 348
 349 static void monitor_json_emitter(Monitor *mon, const QObject *data)
 350 {
 351     QString *json;
 352
 353     if (mon->flags & MONITOR_USE_PRETTY)
 354         json = qobject_to_json_pretty(data);
 355     else
 356         json = qobject_to_json(data);
 357     assert(json != NULL);
 358
 359     qstring_append_chr(json, '\n');
 360     monitor_puts(mon, qstring_get_str(json));
 361
 362     QDECREF(json);
 363 }
 364
 365 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
 366 {
 367     QDict *qmp;
 368
 369     qmp = qdict_new();
 370
 371     if (!monitor_has_error(mon)) {
 372         /* success response */
 373         if (data) {
 374             qobject_incref(data);
 375             qdict_put_obj(qmp, "return", data);
 376         } else {
 377             /* return an empty QDict by default */
 378             qdict_put(qmp, "return", qdict_new());
 379         }
 380     } else {
 381         /* error response */
 382         qdict_put(mon->error->error, "desc", qerror_human(mon->error));
 383         qdict_put(qmp, "error", mon->error->error);
 384         QINCREF(mon->error->error);
 385         QDECREF(mon->error);
 386         mon->error = NULL;
 387     }
 388
 389     if (mon->mc->id) {
 390         qdict_put_obj(qmp, "id", mon->mc->id);
 391         mon->mc->id = NULL;
 392     }
 393
 394     monitor_json_emitter(mon, QOBJECT(qmp));
 395     QDECREF(qmp);
 396 }
 397
 398 static void timestamp_put(QDict *qdict)
 399 {
 400     int err;
 401     QObject *obj;
 402     qemu_timeval tv;
 403
 404     err = qemu_gettimeofday(&tv);
 405     if (err < 0)
 406         return;
 407
 408     obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
 409                                 "'microseconds': %" PRId64 " }",
 410                                 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
 411     qdict_put_obj(qdict, "timestamp", obj);
 412 }
 413
 414 /**
 415  * monitor_protocol_event(): Generate a Monitor event
 416  *
 417  * Event-specific data can be emitted through the (optional) 'data' parameter.
 418  */
 419 void monitor_protocol_event(MonitorEvent event, QObject *data)
 420 {
 421     QDict *qmp;
 422     const char *event_name;
 423     Monitor *mon;
 424
 425     assert(event < QEVENT_MAX);
 426
 427     switch (event) {
 428         case QEVENT_SHUTDOWN:
 429             event_name = "SHUTDOWN";
 430             break;
 431         case QEVENT_RESET:
 432             event_name = "RESET";
 433             break;
 434         case QEVENT_POWERDOWN:
 435             event_name = "POWERDOWN";
 436             break;
 437         case QEVENT_STOP:
 438             event_name = "STOP";
 439             break;
 440         case QEVENT_RESUME:
 441             event_name = "RESUME";
 442             break;
 443         case QEVENT_VNC_CONNECTED:
 444             event_name = "VNC_CONNECTED";
 445             break;
 446         case QEVENT_VNC_INITIALIZED:
 447             event_name = "VNC_INITIALIZED";
 448             break;
 449         case QEVENT_VNC_DISCONNECTED:
 450             event_name = "VNC_DISCONNECTED";
 451             break;
 452         case QEVENT_BLOCK_IO_ERROR:
 453             event_name = "BLOCK_IO_ERROR";
 454             break;
 455         case QEVENT_RTC_CHANGE:
 456             event_name = "RTC_CHANGE";
 457             break;
 458         case QEVENT_WATCHDOG:
 459             event_name = "WATCHDOG";
 460             break;
 461         default:
 462             abort();
 463             break;
 464     }
 465
 466     qmp = qdict_new();
 467     timestamp_put(qmp);
 468     qdict_put(qmp, "event", qstring_from_str(event_name));
 469     if (data) {
 470         qobject_incref(data);
 471         qdict_put_obj(qmp, "data", data);
 472     }
 473
 474     QLIST_FOREACH(mon, &mon_list, entry) {
 475         if (monitor_ctrl_mode(mon) && qmp_cmd_mode(mon)) {
 476             monitor_json_emitter(mon, QOBJECT(qmp));
 477         }
 478     }
 479     QDECREF(qmp);
 480 }
 481
 482 static int do_qmp_capabilities(Monitor *mon, const QDict *params,
 483                                QObject **ret_data)
 484 {
 485     /* Will setup QMP capabilities in the future */
 486     if (monitor_ctrl_mode(mon)) {
 487         mon->mc->command_mode = 1;
 488     }
 489
 490     return 0;
 491 }
 492
 493 static int compare_cmd(const char *name, const char *list)
 494 {
 495     const char *p, *pstart;
 496     int len;
 497     len = strlen(name);
 498     p = list;
 499     for(;;) {
 500         pstart = p;
 501         p = strchr(p, '|');
 502         if (!p)
 503             p = pstart + strlen(pstart);
 504         if ((p - pstart) == len && !memcmp(pstart, name, len))
 505             return 1;
 506         if (*p == '\0')
 507             break;
 508         p++;
 509     }
 510     return 0;
 511 }
 512
 513 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
 514                           const char *prefix, const char *name)
 515 {
 516     const mon_cmd_t *cmd;
 517
 518     for(cmd = cmds; cmd->name != NULL; cmd++) {
 519         if (!name || !strcmp(name, cmd->name))
 520             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
 521                            cmd->params, cmd->help);
 522     }
 523 }
 524
 525 static void help_cmd(Monitor *mon, const char *name)
 526 {
 527     if (name && !strcmp(name, "info")) {
 528         help_cmd_dump(mon, info_cmds, "info ", NULL);
 529     } else {
 530         help_cmd_dump(mon, mon_cmds, "", name);
 531         if (name && !strcmp(name, "log")) {
 532             const CPULogItem *item;
 533             monitor_printf(mon, "Log items (comma separated):\n");
 534             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
 535             for(item = cpu_log_items; item->mask != 0; item++) {
 536                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
 537             }
 538         }
 539     }
 540 }
 541
 542 static void do_help_cmd(Monitor *mon, const QDict *qdict)
 543 {
 544     help_cmd(mon, qdict_get_try_str(qdict, "name"));
 545 }
 546
 547 #ifdef CONFIG_SIMPLE_TRACE
 548 static void do_change_trace_event_state(Monitor *mon, const QDict *qdict)
 549 {
 550     const char *tp_name = qdict_get_str(qdict, "name");
 551     bool new_state = qdict_get_bool(qdict, "option");
 552     st_change_trace_event_state(tp_name, new_state);
 553 }
 554
 555 static void do_trace_file(Monitor *mon, const QDict *qdict)
 556 {
 557     const char *op = qdict_get_try_str(qdict, "op");
 558     const char *arg = qdict_get_try_str(qdict, "arg");
 559
 560     if (!op) {
 561         st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
 562     } else if (!strcmp(op, "on")) {
 563         st_set_trace_file_enabled(true);
 564     } else if (!strcmp(op, "off")) {
 565         st_set_trace_file_enabled(false);
 566     } else if (!strcmp(op, "flush")) {
 567         st_flush_trace_buffer();
 568     } else if (!strcmp(op, "set")) {
 569         if (arg) {
 570             st_set_trace_file(arg);
 571         }
 572     } else {
 573         monitor_printf(mon, "unexpected argument \"%s\"\n", op);
 574         help_cmd(mon, "trace-file");
 575     }
 576 }
 577 #endif
 578
 579 static void user_monitor_complete(void *opaque, QObject *ret_data)
 580 {
 581     MonitorCompletionData *data = (MonitorCompletionData *)opaque;
 582
 583     if (ret_data) {
 584         data->user_print(data->mon, ret_data);
 585     }
 586     monitor_resume(data->mon);
 587     qemu_free(data);
 588 }
 589
 590 static void qmp_monitor_complete(void *opaque, QObject *ret_data)
 591 {
 592     monitor_protocol_emitter(opaque, ret_data);
 593 }
 594
 595 static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
 596                                  const QDict *params)
 597 {
 598     return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
 599 }
 600
 601 static void qmp_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
 602 {
 603     cmd->mhandler.info_async(mon, qmp_monitor_complete, mon);
 604 }
 605
 606 static void user_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
 607                                    const QDict *params)
 608 {
 609     int ret;
 610
 611     MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
 612     cb_data->mon = mon;
 613     cb_data->user_print = cmd->user_print;
 614     monitor_suspend(mon);
 615     ret = cmd->mhandler.cmd_async(mon, params,
 616                                   user_monitor_complete, cb_data);
 617     if (ret < 0) {
 618         monitor_resume(mon);
 619         qemu_free(cb_data);
 620     }
 621 }
 622
 623 static void user_async_info_handler(Monitor *mon, const mon_cmd_t *cmd)
 624 {
 625     int ret;
 626
 627     MonitorCompletionData *cb_data = qemu_malloc(sizeof(*cb_data));
 628     cb_data->mon = mon;
 629     cb_data->user_print = cmd->user_print;
 630     monitor_suspend(mon);
 631     ret = cmd->mhandler.info_async(mon, user_monitor_complete, cb_data);
 632     if (ret < 0) {
 633         monitor_resume(mon);
 634         qemu_free(cb_data);
 635     }
 636 }
 637
 638 static void do_info(Monitor *mon, const QDict *qdict)
 639 {
 640     const mon_cmd_t *cmd;
 641     const char *item = qdict_get_try_str(qdict, "item");
 642
 643     if (!item) {
 644         goto help;
 645     }
 646
 647     for (cmd = info_cmds; cmd->name != NULL; cmd++) {
 648         if (compare_cmd(item, cmd->name))
 649             break;
 650     }
 651
 652     if (cmd->name == NULL) {
 653         goto help;
 654     }
 655
 656     if (handler_is_async(cmd)) {
 657         user_async_info_handler(mon, cmd);
 658     } else if (handler_is_qobject(cmd)) {
 659         QObject *info_data = NULL;
 660
 661         cmd->mhandler.info_new(mon, &info_data);
 662         if (info_data) {
 663             cmd->user_print(mon, info_data);
 664             qobject_decref(info_data);
 665         }
 666     } else {
 667         cmd->mhandler.info(mon);
 668     }
 669
 670     return;
 671
 672 help:
 673     help_cmd(mon, "info");
 674 }
 675
 676 static void do_info_version_print(Monitor *mon, const QObject *data)
 677 {
 678     QDict *qdict;
 679     QDict *qemu;
 680
 681     qdict = qobject_to_qdict(data);
 682     qemu = qdict_get_qdict(qdict, "qemu");
 683
 684     monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
 685                   qdict_get_int(qemu, "major"),
 686                   qdict_get_int(qemu, "minor"),
 687                   qdict_get_int(qemu, "micro"),
 688                   qdict_get_str(qdict, "package"));
 689 }
 690
 691 static void do_info_version(Monitor *mon, QObject **ret_data)
 692 {
 693     const char *version = QEMU_VERSION;
 694     int major = 0, minor = 0, micro = 0;
 695     char *tmp;
 696
 697     major = strtol(version, &tmp, 10);
 698     tmp++;
 699     minor = strtol(tmp, &tmp, 10);
 700     tmp++;
 701     micro = strtol(tmp, &tmp, 10);
 702
 703     *ret_data = qobject_from_jsonf("{ 'qemu': { 'major': %d, 'minor': %d, \
 704         'micro': %d }, 'package': %s }", major, minor, micro, QEMU_PKGVERSION);
 705 }
 706
 707 static void do_info_name_print(Monitor *mon, const QObject *data)
 708 {
 709     QDict *qdict;
 710
 711     qdict = qobject_to_qdict(data);
 712     if (qdict_size(qdict) == 0) {
 713         return;
 714     }
 715
 716     monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
 717 }
 718
 719 static void do_info_name(Monitor *mon, QObject **ret_data)
 720 {
 721     *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
 722                             qobject_from_jsonf("{}");
 723 }
 724
 725 static QObject *get_cmd_dict(const char *name)
 726 {
 727     const char *p;
 728
 729     /* Remove '|' from some commands */
 730     p = strchr(name, '|');
 731     if (p) {
 732         p++;
 733     } else {
 734         p = name;
 735     }
 736
 737     return qobject_from_jsonf("{ 'name': %s }", p);
 738 }
 739
 740 static void do_info_commands(Monitor *mon, QObject **ret_data)
 741 {
 742     QList *cmd_list;
 743     const mon_cmd_t *cmd;
 744
 745     cmd_list = qlist_new();
 746
 747     for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
 748         qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
 749     }
 750
 751     for (cmd = qmp_query_cmds; cmd->name != NULL; cmd++) {
 752         char buf[128];
 753         snprintf(buf, sizeof(buf), "query-%s", cmd->name);
 754         qlist_append_obj(cmd_list, get_cmd_dict(buf));
 755     }
 756
 757     *ret_data = QOBJECT(cmd_list);
 758 }
 759
 760 static void do_info_uuid_print(Monitor *mon, const QObject *data)
 761 {
 762     monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
 763 }
 764
 765 static void do_info_uuid(Monitor *mon, QObject **ret_data)
 766 {
 767     char uuid[64];
 768
 769     snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
 770                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
 771                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
 772                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
 773                    qemu_uuid[14], qemu_uuid[15]);
 774     *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
 775 }
 776
 777 /* get the current CPU defined by the user */
 778 static int mon_set_cpu(int cpu_index)
 779 {
 780     CPUState *env;
 781
 782     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 783         if (env->cpu_index == cpu_index) {
 784             cur_mon->mon_cpu = env;
 785             return 0;
 786         }
 787     }
 788     return -1;
 789 }
 790
 791 static CPUState *mon_get_cpu(void)
 792 {
 793     if (!cur_mon->mon_cpu) {
 794         mon_set_cpu(0);
 795     }
 796     cpu_synchronize_state(cur_mon->mon_cpu);
 797     return cur_mon->mon_cpu;
 798 }
 799
 800 static void do_info_registers(Monitor *mon)
 801 {
 802     CPUState *env;
 803     env = mon_get_cpu();
 804 #ifdef TARGET_I386
 805     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 806                    X86_DUMP_FPU);
 807 #else
 808     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
 809                    0);
 810 #endif
 811 }
 812
 813 static void print_cpu_iter(QObject *obj, void *opaque)
 814 {
 815     QDict *cpu;
 816     int active = ' ';
 817     Monitor *mon = opaque;
 818
 819     assert(qobject_type(obj) == QTYPE_QDICT);
 820     cpu = qobject_to_qdict(obj);
 821
 822     if (qdict_get_bool(cpu, "current")) {
 823         active = '*';
 824     }
 825
 826     monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
 827
 828 #if defined(TARGET_I386)
 829     monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
 830                    (target_ulong) qdict_get_int(cpu, "pc"));
 831 #elif defined(TARGET_PPC)
 832     monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
 833                    (target_long) qdict_get_int(cpu, "nip"));
 834 #elif defined(TARGET_SPARC)
 835     monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
 836                    (target_long) qdict_get_int(cpu, "pc"));
 837     monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
 838                    (target_long) qdict_get_int(cpu, "npc"));
 839 #elif defined(TARGET_MIPS)
 840     monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
 841                    (target_long) qdict_get_int(cpu, "PC"));
 842 #endif
 843
 844     if (qdict_get_bool(cpu, "halted")) {
 845         monitor_printf(mon, " (halted)");
 846     }
 847
 848     monitor_printf(mon, "\n");
 849 }
 850
 851 static void monitor_print_cpus(Monitor *mon, const QObject *data)
 852 {
 853     QList *cpu_list;
 854
 855     assert(qobject_type(data) == QTYPE_QLIST);
 856     cpu_list = qobject_to_qlist(data);
 857     qlist_iter(cpu_list, print_cpu_iter, mon);
 858 }
 859
 860 static void do_info_cpus(Monitor *mon, QObject **ret_data)
 861 {
 862     CPUState *env;
 863     QList *cpu_list;
 864
 865     cpu_list = qlist_new();
 866
 867     /* just to set the default cpu if not already done */
 868     mon_get_cpu();
 869
 870     for(env = first_cpu; env != NULL; env = env->next_cpu) {
 871         QDict *cpu;
 872         QObject *obj;
 873
 874         cpu_synchronize_state(env);
 875
 876         obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
 877                                  env->cpu_index, env == mon->mon_cpu,
 878                                  env->halted);
 879
 880         cpu = qobject_to_qdict(obj);
 881
 882 #if defined(TARGET_I386)
 883         qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
 884 #elif defined(TARGET_PPC)
 885         qdict_put(cpu, "nip", qint_from_int(env->nip));
 886 #elif defined(TARGET_SPARC)
 887         qdict_put(cpu, "pc", qint_from_int(env->pc));
 888         qdict_put(cpu, "npc", qint_from_int(env->npc));
 889 #elif defined(TARGET_MIPS)
 890         qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
 891 #endif
 892
 893         qlist_append(cpu_list, cpu);
 894     }
 895
 896     *ret_data = QOBJECT(cpu_list);
 897 }
 898
 899 static int do_cpu_set(Monitor *mon, const QDict *qdict, QObject **ret_data)
 900 {
 901     int index = qdict_get_int(qdict, "index");
 902     if (mon_set_cpu(index) < 0) {
 903         qerror_report(QERR_INVALID_PARAMETER_VALUE, "index",
 904                       "a CPU number");
 905         return -1;
 906     }
 907     return 0;
 908 }
 909
 910 static void do_info_jit(Monitor *mon)
 911 {
 912     dump_exec_info((FILE *)mon, monitor_fprintf);
 913 }
 914
 915 static void do_info_history(Monitor *mon)
 916 {
 917     int i;
 918     const char *str;
 919
 920     if (!mon->rs)
 921         return;
 922     i = 0;
 923     for(;;) {
 924         str = readline_get_history(mon->rs, i);
 925         if (!str)
 926             break;
 927         monitor_printf(mon, "%d: '%s'\n", i, str);
 928         i++;
 929     }
 930 }
 931
 932 #if defined(TARGET_PPC)
 933 /* XXX: not implemented in other targets */
 934 static void do_info_cpu_stats(Monitor *mon)
 935 {
 936     CPUState *env;
 937
 938     env = mon_get_cpu();
 939     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
 940 }
 941 #endif
 942
 943 #if defined(CONFIG_SIMPLE_TRACE)
 944 static void do_info_trace(Monitor *mon)
 945 {
 946     st_print_trace((FILE *)mon, &monitor_fprintf);
 947 }
 948
 949 static void do_info_trace_events(Monitor *mon)
 950 {
 951     st_print_trace_events((FILE *)mon, &monitor_fprintf);
 952 }
 953 #endif
 954
 955 /**
 956  * do_quit(): Quit QEMU execution
 957  */
 958 static int do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
 959 {
 960     monitor_suspend(mon);
 961     no_shutdown = 0;
 962     qemu_system_shutdown_request();
 963
 964     return 0;
 965 }
 966
 967 static int change_vnc_password(const char *password)
 968 {
 969     if (vnc_display_password(NULL, password) < 0) {
 970         qerror_report(QERR_SET_PASSWD_FAILED);
 971         return -1;
 972     }
 973
 974     return 0;
 975 }
 976
 977 static void change_vnc_password_cb(Monitor *mon, const char *password,
 978                                    void *opaque)
 979 {
 980     change_vnc_password(password);
 981     monitor_read_command(mon, 1);
 982 }
 983
 984 static int do_change_vnc(Monitor *mon, const char *target, const char *arg)
 985 {
 986     if (strcmp(target, "passwd") == 0 ||
 987         strcmp(target, "password") == 0) {
 988         if (arg) {
 989             char password[9];
 990             strncpy(password, arg, sizeof(password));
 991             password[sizeof(password) - 1] = '\0';
 992             return change_vnc_password(password);
 993         } else {
 994             return monitor_read_password(mon, change_vnc_password_cb, NULL);
 995         }
 996     } else {
 997         if (vnc_display_open(NULL, target) < 0) {
 998             qerror_report(QERR_VNC_SERVER_FAILED, target);
 999             return -1;
1000         }
1001     }
1002
1003     return 0;
1004 }
1005
1006 /**
1007  * do_change(): Change a removable medium, or VNC configuration
1008  */
1009 static int do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
1010 {
1011     const char *device = qdict_get_str(qdict, "device");
1012     const char *target = qdict_get_str(qdict, "target");
1013     const char *arg = qdict_get_try_str(qdict, "arg");
1014     int ret;
1015
1016     if (strcmp(device, "vnc") == 0) {
1017         ret = do_change_vnc(mon, target, arg);
1018     } else {
1019         ret = do_change_block(mon, device, target, arg);
1020     }
1021
1022     return ret;
1023 }
1024
1025 static int do_screen_dump(Monitor *mon, const QDict *qdict, QObject **ret_data)
1026 {
1027     vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
1028     return 0;
1029 }
1030
1031 static void do_logfile(Monitor *mon, const QDict *qdict)
1032 {
1033     cpu_set_log_filename(qdict_get_str(qdict, "filename"));
1034 }
1035
1036 static void do_log(Monitor *mon, const QDict *qdict)
1037 {
1038     int mask;
1039     const char *items = qdict_get_str(qdict, "items");
1040
1041     if (!strcmp(items, "none")) {
1042         mask = 0;
1043     } else {
1044         mask = cpu_str_to_log_mask(items);
1045         if (!mask) {
1046             help_cmd(mon, "log");
1047             return;
1048         }
1049     }
1050     cpu_set_log(mask);
1051 }
1052
1053 static void do_singlestep(Monitor *mon, const QDict *qdict)
1054 {
1055     const char *option = qdict_get_try_str(qdict, "option");
1056     if (!option || !strcmp(option, "on")) {
1057         singlestep = 1;
1058     } else if (!strcmp(option, "off")) {
1059         singlestep = 0;
1060     } else {
1061         monitor_printf(mon, "unexpected option %s\n", option);
1062     }
1063 }
1064
1065 /**
1066  * do_stop(): Stop VM execution
1067  */
1068 static int do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1069 {
1070     vm_stop(EXCP_INTERRUPT);
1071     return 0;
1072 }
1073
1074 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1075
1076 struct bdrv_iterate_context {
1077     Monitor *mon;
1078     int err;
1079 };
1080
1081 /**
1082  * do_cont(): Resume emulation.
1083  */
1084 static int do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1085 {
1086     struct bdrv_iterate_context context = { mon, 0 };
1087
1088     if (incoming_expected) {
1089         qerror_report(QERR_MIGRATION_EXPECTED);
1090         return -1;
1091     }
1092     bdrv_iterate(encrypted_bdrv_it, &context);
1093     /* only resume the vm if all keys are set and valid */
1094     if (!context.err) {
1095         vm_start();
1096         return 0;
1097     } else {
1098         return -1;
1099     }
1100 }
1101
1102 static void bdrv_key_cb(void *opaque, int err)
1103 {
1104     Monitor *mon = opaque;
1105
1106     /* another key was set successfully, retry to continue */
1107     if (!err)
1108         do_cont(mon, NULL, NULL);
1109 }
1110
1111 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1112 {
1113     struct bdrv_iterate_context *context = opaque;
1114
1115     if (!context->err && bdrv_key_required(bs)) {
1116         context->err = -EBUSY;
1117         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1118                                     context->mon);
1119     }
1120 }
1121
1122 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1123 {
1124     const char *device = qdict_get_try_str(qdict, "device");
1125     if (!device)
1126         device = "tcp::" DEFAULT_GDBSTUB_PORT;
1127     if (gdbserver_start(device) < 0) {
1128         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1129                        device);
1130     } else if (strcmp(device, "none") == 0) {
1131         monitor_printf(mon, "Disabled gdbserver\n");
1132     } else {
1133         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1134                        device);
1135     }
1136 }
1137
1138 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1139 {
1140     const char *action = qdict_get_str(qdict, "action");
1141     if (select_watchdog_action(action) == -1) {
1142         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1143     }
1144 }
1145
1146 static void monitor_printc(Monitor *mon, int c)
1147 {
1148     monitor_printf(mon, "'");
1149     switch(c) {
1150     case '\'':
1151         monitor_printf(mon, "\\'");
1152         break;
1153     case '\\':
1154         monitor_printf(mon, "\\\\");
1155         break;
1156     case '\n':
1157         monitor_printf(mon, "\\n");
1158         break;
1159     case '\r':
1160         monitor_printf(mon, "\\r");
1161         break;
1162     default:
1163         if (c >= 32 && c <= 126) {
1164             monitor_printf(mon, "%c", c);
1165         } else {
1166             monitor_printf(mon, "\\x%02x", c);
1167         }
1168         break;
1169     }
1170     monitor_printf(mon, "'");
1171 }
1172
1173 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1174                         target_phys_addr_t addr, int is_physical)
1175 {
1176     CPUState *env;
1177     int l, line_size, i, max_digits, len;
1178     uint8_t buf[16];
1179     uint64_t v;
1180
1181     if (format == 'i') {
1182         int flags;
1183         flags = 0;
1184         env = mon_get_cpu();
1185 #ifdef TARGET_I386
1186         if (wsize == 2) {
1187             flags = 1;
1188         } else if (wsize == 4) {
1189             flags = 0;
1190         } else {
1191             /* as default we use the current CS size */
1192             flags = 0;
1193             if (env) {
1194 #ifdef TARGET_X86_64
1195                 if ((env->efer & MSR_EFER_LMA) &&
1196                     (env->segs[R_CS].flags & DESC_L_MASK))
1197                     flags = 2;
1198                 else
1199 #endif
1200                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1201                     flags = 1;
1202             }
1203         }
1204 #endif
1205         monitor_disas(mon, env, addr, count, is_physical, flags);
1206         return;
1207     }
1208
1209     len = wsize * count;
1210     if (wsize == 1)
1211         line_size = 8;
1212     else
1213         line_size = 16;
1214     max_digits = 0;
1215
1216     switch(format) {
1217     case 'o':
1218         max_digits = (wsize * 8 + 2) / 3;
1219         break;
1220     default:
1221     case 'x':
1222         max_digits = (wsize * 8) / 4;
1223         break;
1224     case 'u':
1225     case 'd':
1226         max_digits = (wsize * 8 * 10 + 32) / 33;
1227         break;
1228     case 'c':
1229         wsize = 1;
1230         break;
1231     }
1232
1233     while (len > 0) {
1234         if (is_physical)
1235             monitor_printf(mon, TARGET_FMT_plx ":", addr);
1236         else
1237             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1238         l = len;
1239         if (l > line_size)
1240             l = line_size;
1241         if (is_physical) {
1242             cpu_physical_memory_rw(addr, buf, l, 0);
1243         } else {
1244             env = mon_get_cpu();
1245             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1246                 monitor_printf(mon, " Cannot access memory\n");
1247                 break;
1248             }
1249         }
1250         i = 0;
1251         while (i < l) {
1252             switch(wsize) {
1253             default:
1254             case 1:
1255                 v = ldub_raw(buf + i);
1256                 break;
1257             case 2:
1258                 v = lduw_raw(buf + i);
1259                 break;
1260             case 4:
1261                 v = (uint32_t)ldl_raw(buf + i);
1262                 break;
1263             case 8:
1264                 v = ldq_raw(buf + i);
1265                 break;
1266             }
1267             monitor_printf(mon, " ");
1268             switch(format) {
1269             case 'o':
1270                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1271                 break;
1272             case 'x':
1273                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1274                 break;
1275             case 'u':
1276                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1277                 break;
1278             case 'd':
1279                 monitor_printf(mon, "%*" PRId64, max_digits, v);
1280                 break;
1281             case 'c':
1282                 monitor_printc(mon, v);
1283                 break;
1284             }
1285             i += wsize;
1286         }
1287         monitor_printf(mon, "\n");
1288         addr += l;
1289         len -= l;
1290     }
1291 }
1292
1293 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1294 {
1295     int count = qdict_get_int(qdict, "count");
1296     int format = qdict_get_int(qdict, "format");
1297     int size = qdict_get_int(qdict, "size");
1298     target_long addr = qdict_get_int(qdict, "addr");
1299
1300     memory_dump(mon, count, format, size, addr, 0);
1301 }
1302
1303 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1304 {
1305     int count = qdict_get_int(qdict, "count");
1306     int format = qdict_get_int(qdict, "format");
1307     int size = qdict_get_int(qdict, "size");
1308     target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1309
1310     memory_dump(mon, count, format, size, addr, 1);
1311 }
1312
1313 static void do_print(Monitor *mon, const QDict *qdict)
1314 {
1315     int format = qdict_get_int(qdict, "format");
1316     target_phys_addr_t val = qdict_get_int(qdict, "val");
1317
1318 #if TARGET_PHYS_ADDR_BITS == 32
1319     switch(format) {
1320     case 'o':
1321         monitor_printf(mon, "%#o", val);
1322         break;
1323     case 'x':
1324         monitor_printf(mon, "%#x", val);
1325         break;
1326     case 'u':
1327         monitor_printf(mon, "%u", val);
1328         break;
1329     default:
1330     case 'd':
1331         monitor_printf(mon, "%d", val);
1332         break;
1333     case 'c':
1334         monitor_printc(mon, val);
1335         break;
1336     }
1337 #else
1338     switch(format) {
1339     case 'o':
1340         monitor_printf(mon, "%#" PRIo64, val);
1341         break;
1342     case 'x':
1343         monitor_printf(mon, "%#" PRIx64, val);
1344         break;
1345     case 'u':
1346         monitor_printf(mon, "%" PRIu64, val);
1347         break;
1348     default:
1349     case 'd':
1350         monitor_printf(mon, "%" PRId64, val);
1351         break;
1352     case 'c':
1353         monitor_printc(mon, val);
1354         break;
1355     }
1356 #endif
1357     monitor_printf(mon, "\n");
1358 }
1359
1360 static int do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1361 {
1362     FILE *f;
1363     uint32_t size = qdict_get_int(qdict, "size");
1364     const char *filename = qdict_get_str(qdict, "filename");
1365     target_long addr = qdict_get_int(qdict, "val");
1366     uint32_t l;
1367     CPUState *env;
1368     uint8_t buf[1024];
1369     int ret = -1;
1370
1371     env = mon_get_cpu();
1372
1373     f = fopen(filename, "wb");
1374     if (!f) {
1375         qerror_report(QERR_OPEN_FILE_FAILED, filename);
1376         return -1;
1377     }
1378     while (size != 0) {
1379         l = sizeof(buf);
1380         if (l > size)
1381             l = size;
1382         cpu_memory_rw_debug(env, addr, buf, l, 0);
1383         if (fwrite(buf, 1, l, f) != l) {
1384             monitor_printf(mon, "fwrite() error in do_memory_save\n");
1385             goto exit;
1386         }
1387         addr += l;
1388         size -= l;
1389     }
1390
1391     ret = 0;
1392
1393 exit:
1394     fclose(f);
1395     return ret;
1396 }
1397
1398 static int do_physical_memory_save(Monitor *mon, const QDict *qdict,
1399                                     QObject **ret_data)
1400 {
1401     FILE *f;
1402     uint32_t l;
1403     uint8_t buf[1024];
1404     uint32_t size = qdict_get_int(qdict, "size");
1405     const char *filename = qdict_get_str(qdict, "filename");
1406     target_phys_addr_t addr = qdict_get_int(qdict, "val");
1407     int ret = -1;
1408
1409     f = fopen(filename, "wb");
1410     if (!f) {
1411         qerror_report(QERR_OPEN_FILE_FAILED, filename);
1412         return -1;
1413     }
1414     while (size != 0) {
1415         l = sizeof(buf);
1416         if (l > size)
1417             l = size;
1418         cpu_physical_memory_rw(addr, buf, l, 0);
1419         if (fwrite(buf, 1, l, f) != l) {
1420             monitor_printf(mon, "fwrite() error in do_physical_memory_save\n");
1421             goto exit;
1422         }
1423         fflush(f);
1424         addr += l;
1425         size -= l;
1426     }
1427
1428     ret = 0;
1429
1430 exit:
1431     fclose(f);
1432     return ret;
1433 }
1434
1435 static void do_sum(Monitor *mon, const QDict *qdict)
1436 {
1437     uint32_t addr;
1438     uint8_t buf[1];
1439     uint16_t sum;
1440     uint32_t start = qdict_get_int(qdict, "start");
1441     uint32_t size = qdict_get_int(qdict, "size");
1442
1443     sum = 0;
1444     for(addr = start; addr < (start + size); addr++) {
1445         cpu_physical_memory_rw(addr, buf, 1, 0);
1446         /* BSD sum algorithm ('sum' Unix command) */
1447         sum = (sum >> 1) | (sum << 15);
1448         sum += buf[0];
1449     }
1450     monitor_printf(mon, "%05d\n", sum);
1451 }
1452
1453 typedef struct {
1454     int keycode;
1455     const char *name;
1456 } KeyDef;
1457
1458 static const KeyDef key_defs[] = {
1459     { 0x2a, "shift" },
1460     { 0x36, "shift_r" },
1461
1462     { 0x38, "alt" },
1463     { 0xb8, "alt_r" },
1464     { 0x64, "altgr" },
1465     { 0xe4, "altgr_r" },
1466     { 0x1d, "ctrl" },
1467     { 0x9d, "ctrl_r" },
1468
1469     { 0xdd, "menu" },
1470
1471     { 0x01, "esc" },
1472
1473     { 0x02, "1" },
1474     { 0x03, "2" },
1475     { 0x04, "3" },
1476     { 0x05, "4" },
1477     { 0x06, "5" },
1478     { 0x07, "6" },
1479     { 0x08, "7" },
1480     { 0x09, "8" },
1481     { 0x0a, "9" },
1482     { 0x0b, "0" },
1483     { 0x0c, "minus" },
1484     { 0x0d, "equal" },
1485     { 0x0e, "backspace" },
1486
1487     { 0x0f, "tab" },
1488     { 0x10, "q" },
1489     { 0x11, "w" },
1490     { 0x12, "e" },
1491     { 0x13, "r" },
1492     { 0x14, "t" },
1493     { 0x15, "y" },
1494     { 0x16, "u" },
1495     { 0x17, "i" },
1496     { 0x18, "o" },
1497     { 0x19, "p" },
1498     { 0x1a, "bracket_left" },
1499     { 0x1b, "bracket_right" },
1500     { 0x1c, "ret" },
1501
1502     { 0x1e, "a" },
1503     { 0x1f, "s" },
1504     { 0x20, "d" },
1505     { 0x21, "f" },
1506     { 0x22, "g" },
1507     { 0x23, "h" },
1508     { 0x24, "j" },
1509     { 0x25, "k" },
1510     { 0x26, "l" },
1511     { 0x27, "semicolon" },
1512     { 0x28, "apostrophe" },
1513     { 0x29, "grave_accent" },
1514
1515     { 0x2b, "backslash" },
1516     { 0x2c, "z" },
1517     { 0x2d, "x" },
1518     { 0x2e, "c" },
1519     { 0x2f, "v" },
1520     { 0x30, "b" },
1521     { 0x31, "n" },
1522     { 0x32, "m" },
1523     { 0x33, "comma" },
1524     { 0x34, "dot" },
1525     { 0x35, "slash" },
1526
1527     { 0x37, "asterisk" },
1528
1529     { 0x39, "spc" },
1530     { 0x3a, "caps_lock" },
1531     { 0x3b, "f1" },
1532     { 0x3c, "f2" },
1533     { 0x3d, "f3" },
1534     { 0x3e, "f4" },
1535     { 0x3f, "f5" },
1536     { 0x40, "f6" },
1537     { 0x41, "f7" },
1538     { 0x42, "f8" },
1539     { 0x43, "f9" },
1540     { 0x44, "f10" },
1541     { 0x45, "num_lock" },
1542     { 0x46, "scroll_lock" },
1543
1544     { 0xb5, "kp_divide" },
1545     { 0x37, "kp_multiply" },
1546     { 0x4a, "kp_subtract" },
1547     { 0x4e, "kp_add" },
1548     { 0x9c, "kp_enter" },
1549     { 0x53, "kp_decimal" },
1550     { 0x54, "sysrq" },
1551
1552     { 0x52, "kp_0" },
1553     { 0x4f, "kp_1" },
1554     { 0x50, "kp_2" },
1555     { 0x51, "kp_3" },
1556     { 0x4b, "kp_4" },
1557     { 0x4c, "kp_5" },
1558     { 0x4d, "kp_6" },
1559     { 0x47, "kp_7" },
1560     { 0x48, "kp_8" },
1561     { 0x49, "kp_9" },
1562
1563     { 0x56, "<" },
1564
1565     { 0x57, "f11" },
1566     { 0x58, "f12" },
1567
1568     { 0xb7, "print" },
1569
1570     { 0xc7, "home" },
1571     { 0xc9, "pgup" },
1572     { 0xd1, "pgdn" },
1573     { 0xcf, "end" },
1574
1575     { 0xcb, "left" },
1576     { 0xc8, "up" },
1577     { 0xd0, "down" },
1578     { 0xcd, "right" },
1579
1580     { 0xd2, "insert" },
1581     { 0xd3, "delete" },
1582 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1583     { 0xf0, "stop" },
1584     { 0xf1, "again" },
1585     { 0xf2, "props" },
1586     { 0xf3, "undo" },
1587     { 0xf4, "front" },
1588     { 0xf5, "copy" },
1589     { 0xf6, "open" },
1590     { 0xf7, "paste" },
1591     { 0xf8, "find" },
1592     { 0xf9, "cut" },
1593     { 0xfa, "lf" },
1594     { 0xfb, "help" },
1595     { 0xfc, "meta_l" },
1596     { 0xfd, "meta_r" },
1597     { 0xfe, "compose" },
1598 #endif
1599     { 0, NULL },
1600 };
1601
1602 static int get_keycode(const char *key)
1603 {
1604     const KeyDef *p;
1605     char *endp;
1606     int ret;
1607
1608     for(p = key_defs; p->name != NULL; p++) {
1609         if (!strcmp(key, p->name))
1610             return p->keycode;
1611     }
1612     if (strstart(key, "0x", NULL)) {
1613         ret = strtoul(key, &endp, 0);
1614         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1615             return ret;
1616     }
1617     return -1;
1618 }
1619
1620 #define MAX_KEYCODES 16
1621 static uint8_t keycodes[MAX_KEYCODES];
1622 static int nb_pending_keycodes;
1623 static QEMUTimer *key_timer;
1624
1625 static void release_keys(void *opaque)
1626 {
1627     int keycode;
1628
1629     while (nb_pending_keycodes > 0) {
1630         nb_pending_keycodes--;
1631         keycode = keycodes[nb_pending_keycodes];
1632         if (keycode & 0x80)
1633             kbd_put_keycode(0xe0);
1634         kbd_put_keycode(keycode | 0x80);
1635     }
1636 }
1637
1638 static void do_sendkey(Monitor *mon, const QDict *qdict)
1639 {
1640     char keyname_buf[16];
1641     char *separator;
1642     int keyname_len, keycode, i;
1643     const char *string = qdict_get_str(qdict, "string");
1644     int has_hold_time = qdict_haskey(qdict, "hold_time");
1645     int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1646
1647     if (nb_pending_keycodes > 0) {
1648         qemu_del_timer(key_timer);
1649         release_keys(NULL);
1650     }
1651     if (!has_hold_time)
1652         hold_time = 100;
1653     i = 0;
1654     while (1) {
1655         separator = strchr(string, '-');
1656         keyname_len = separator ? separator - string : strlen(string);
1657         if (keyname_len > 0) {
1658             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1659             if (keyname_len > sizeof(keyname_buf) - 1) {
1660                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1661                 return;
1662             }
1663             if (i == MAX_KEYCODES) {
1664                 monitor_printf(mon, "too many keys\n");
1665                 return;
1666             }
1667             keyname_buf[keyname_len] = 0;
1668             keycode = get_keycode(keyname_buf);
1669             if (keycode < 0) {
1670                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1671                 return;
1672             }
1673             keycodes[i++] = keycode;
1674         }
1675         if (!separator)
1676             break;
1677         string = separator + 1;
1678     }
1679     nb_pending_keycodes = i;
1680     /* key down events */
1681     for (i = 0; i < nb_pending_keycodes; i++) {
1682         keycode = keycodes[i];
1683         if (keycode & 0x80)
1684             kbd_put_keycode(0xe0);
1685         kbd_put_keycode(keycode & 0x7f);
1686     }
1687     /* delayed key up events */
1688     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1689                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1690 }
1691
1692 static int mouse_button_state;
1693
1694 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1695 {
1696     int dx, dy, dz;
1697     const char *dx_str = qdict_get_str(qdict, "dx_str");
1698     const char *dy_str = qdict_get_str(qdict, "dy_str");
1699     const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1700     dx = strtol(dx_str, NULL, 0);
1701     dy = strtol(dy_str, NULL, 0);
1702     dz = 0;
1703     if (dz_str)
1704         dz = strtol(dz_str, NULL, 0);
1705     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1706 }
1707
1708 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1709 {
1710     int button_state = qdict_get_int(qdict, "button_state");
1711     mouse_button_state = button_state;
1712     kbd_mouse_event(0, 0, 0, mouse_button_state);
1713 }
1714
1715 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1716 {
1717     int size = qdict_get_int(qdict, "size");
1718     int addr = qdict_get_int(qdict, "addr");
1719     int has_index = qdict_haskey(qdict, "index");
1720     uint32_t val;
1721     int suffix;
1722
1723     if (has_index) {
1724         int index = qdict_get_int(qdict, "index");
1725         cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1726         addr++;
1727     }
1728     addr &= 0xffff;
1729
1730     switch(size) {
1731     default:
1732     case 1:
1733         val = cpu_inb(addr);
1734         suffix = 'b';
1735         break;
1736     case 2:
1737         val = cpu_inw(addr);
1738         suffix = 'w';
1739         break;
1740     case 4:
1741         val = cpu_inl(addr);
1742         suffix = 'l';
1743         break;
1744     }
1745     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1746                    suffix, addr, size * 2, val);
1747 }
1748
1749 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1750 {
1751     int size = qdict_get_int(qdict, "size");
1752     int addr = qdict_get_int(qdict, "addr");
1753     int val = qdict_get_int(qdict, "val");
1754
1755     addr &= IOPORTS_MASK;
1756
1757     switch (size) {
1758     default:
1759     case 1:
1760         cpu_outb(addr, val);
1761         break;
1762     case 2:
1763         cpu_outw(addr, val);
1764         break;
1765     case 4:
1766         cpu_outl(addr, val);
1767         break;
1768     }
1769 }
1770
1771 static void do_boot_set(Monitor *mon, const QDict *qdict)
1772 {
1773     int res;
1774     const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1775
1776     res = qemu_boot_set(bootdevice);
1777     if (res == 0) {
1778         monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1779     } else if (res > 0) {
1780         monitor_printf(mon, "setting boot device list failed\n");
1781     } else {
1782         monitor_printf(mon, "no function defined to set boot device list for "
1783                        "this architecture\n");
1784     }
1785 }
1786
1787 /**
1788  * do_system_reset(): Issue a machine reset
1789  */
1790 static int do_system_reset(Monitor *mon, const QDict *qdict,
1791                            QObject **ret_data)
1792 {
1793     qemu_system_reset_request();
1794     return 0;
1795 }
1796
1797 /**
1798  * do_system_powerdown(): Issue a machine powerdown
1799  */
1800 static int do_system_powerdown(Monitor *mon, const QDict *qdict,
1801                                QObject **ret_data)
1802 {
1803     qemu_system_powerdown_request();
1804     return 0;
1805 }
1806
1807 #if defined(TARGET_I386)
1808 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1809 {
1810     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1811                    addr,
1812                    pte & mask,
1813                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1814                    pte & PG_PSE_MASK ? 'P' : '-',
1815                    pte & PG_DIRTY_MASK ? 'D' : '-',
1816                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1817                    pte & PG_PCD_MASK ? 'C' : '-',
1818                    pte & PG_PWT_MASK ? 'T' : '-',
1819                    pte & PG_USER_MASK ? 'U' : '-',
1820                    pte & PG_RW_MASK ? 'W' : '-');
1821 }
1822
1823 static void tlb_info(Monitor *mon)
1824 {
1825     CPUState *env;
1826     int l1, l2;
1827     uint32_t pgd, pde, pte;
1828
1829     env = mon_get_cpu();
1830
1831     if (!(env->cr[0] & CR0_PG_MASK)) {
1832         monitor_printf(mon, "PG disabled\n");
1833         return;
1834     }
1835     pgd = env->cr[3] & ~0xfff;
1836     for(l1 = 0; l1 < 1024; l1++) {
1837         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1838         pde = le32_to_cpu(pde);
1839         if (pde & PG_PRESENT_MASK) {
1840             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1841                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1842             } else {
1843                 for(l2 = 0; l2 < 1024; l2++) {
1844                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1845                                              (uint8_t *)&pte, 4);
1846                     pte = le32_to_cpu(pte);
1847                     if (pte & PG_PRESENT_MASK) {
1848                         print_pte(mon, (l1 << 22) + (l2 << 12),
1849                                   pte & ~PG_PSE_MASK,
1850                                   ~0xfff);
1851                     }
1852                 }
1853             }
1854         }
1855     }
1856 }
1857
1858 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1859                       uint32_t end, int prot)
1860 {
1861     int prot1;
1862     prot1 = *plast_prot;
1863     if (prot != prot1) {
1864         if (*pstart != -1) {
1865             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1866                            *pstart, end, end - *pstart,
1867                            prot1 & PG_USER_MASK ? 'u' : '-',
1868                            'r',
1869                            prot1 & PG_RW_MASK ? 'w' : '-');
1870         }
1871         if (prot != 0)
1872             *pstart = end;
1873         else
1874             *pstart = -1;
1875         *plast_prot = prot;
1876     }
1877 }
1878
1879 static void mem_info(Monitor *mon)
1880 {
1881     CPUState *env;
1882     int l1, l2, prot, last_prot;
1883     uint32_t pgd, pde, pte, start, end;
1884
1885     env = mon_get_cpu();
1886
1887     if (!(env->cr[0] & CR0_PG_MASK)) {
1888         monitor_printf(mon, "PG disabled\n");
1889         return;
1890     }
1891     pgd = env->cr[3] & ~0xfff;
1892     last_prot = 0;
1893     start = -1;
1894     for(l1 = 0; l1 < 1024; l1++) {
1895         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1896         pde = le32_to_cpu(pde);
1897         end = l1 << 22;
1898         if (pde & PG_PRESENT_MASK) {
1899             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1900                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1901                 mem_print(mon, &start, &last_prot, end, prot);
1902             } else {
1903                 for(l2 = 0; l2 < 1024; l2++) {
1904                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1905                                              (uint8_t *)&pte, 4);
1906                     pte = le32_to_cpu(pte);
1907                     end = (l1 << 22) + (l2 << 12);
1908                     if (pte & PG_PRESENT_MASK) {
1909                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1910                     } else {
1911                         prot = 0;
1912                     }
1913                     mem_print(mon, &start, &last_prot, end, prot);
1914                 }
1915             }
1916         } else {
1917             prot = 0;
1918             mem_print(mon, &start, &last_prot, end, prot);
1919         }
1920     }
1921 }
1922 #endif
1923
1924 #if defined(TARGET_SH4)
1925
1926 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1927 {
1928     monitor_printf(mon, " tlb%i:\t"
1929                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1930                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1931                    "dirty=%hhu writethrough=%hhu\n",
1932                    idx,
1933                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1934                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1935                    tlb->d, tlb->wt);
1936 }
1937
1938 static void tlb_info(Monitor *mon)
1939 {
1940     CPUState *env = mon_get_cpu();
1941     int i;
1942
1943     monitor_printf (mon, "ITLB:\n");
1944     for (i = 0 ; i < ITLB_SIZE ; i++)
1945         print_tlb (mon, i, &env->itlb[i]);
1946     monitor_printf (mon, "UTLB:\n");
1947     for (i = 0 ; i < UTLB_SIZE ; i++)
1948         print_tlb (mon, i, &env->utlb[i]);
1949 }
1950
1951 #endif
1952
1953 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1954 {
1955     QDict *qdict;
1956
1957     qdict = qobject_to_qdict(data);
1958
1959     monitor_printf(mon, "kvm support: ");
1960     if (qdict_get_bool(qdict, "present")) {
1961         monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1962                                     "enabled" : "disabled");
1963     } else {
1964         monitor_printf(mon, "not compiled\n");
1965     }
1966 }
1967
1968 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1969 {
1970 #ifdef CONFIG_KVM
1971     *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1972                                    kvm_enabled());
1973 #else
1974     *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1975 #endif
1976 }
1977
1978 static void do_info_numa(Monitor *mon)
1979 {
1980     int i;
1981     CPUState *env;
1982
1983     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1984     for (i = 0; i < nb_numa_nodes; i++) {
1985         monitor_printf(mon, "node %d cpus:", i);
1986         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1987             if (env->numa_node == i) {
1988                 monitor_printf(mon, " %d", env->cpu_index);
1989             }
1990         }
1991         monitor_printf(mon, "\n");
1992         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1993             node_mem[i] >> 20);
1994     }
1995 }
1996
1997 #ifdef CONFIG_PROFILER
1998
1999 int64_t qemu_time;
2000 int64_t dev_time;
2001
2002 static void do_info_profile(Monitor *mon)
2003 {
2004     int64_t total;
2005     total = qemu_time;
2006     if (total == 0)
2007         total = 1;
2008     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
2009                    dev_time, dev_time / (double)get_ticks_per_sec());
2010     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
2011                    qemu_time, qemu_time / (double)get_ticks_per_sec());
2012     qemu_time = 0;
2013     dev_time = 0;
2014 }
2015 #else
2016 static void do_info_profile(Monitor *mon)
2017 {
2018     monitor_printf(mon, "Internal profiler not compiled\n");
2019 }
2020 #endif
2021
2022 /* Capture support */
2023 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
2024
2025 static void do_info_capture(Monitor *mon)
2026 {
2027     int i;
2028     CaptureState *s;
2029
2030     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2031         monitor_printf(mon, "[%d]: ", i);
2032         s->ops.info (s->opaque);
2033     }
2034 }
2035
2036 #ifdef HAS_AUDIO
2037 static void do_stop_capture(Monitor *mon, const QDict *qdict)
2038 {
2039     int i;
2040     int n = qdict_get_int(qdict, "n");
2041     CaptureState *s;
2042
2043     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
2044         if (i == n) {
2045             s->ops.destroy (s->opaque);
2046             QLIST_REMOVE (s, entries);
2047             qemu_free (s);
2048             return;
2049         }
2050     }
2051 }
2052
2053 static void do_wav_capture(Monitor *mon, const QDict *qdict)
2054 {
2055     const char *path = qdict_get_str(qdict, "path");
2056     int has_freq = qdict_haskey(qdict, "freq");
2057     int freq = qdict_get_try_int(qdict, "freq", -1);
2058     int has_bits = qdict_haskey(qdict, "bits");
2059     int bits = qdict_get_try_int(qdict, "bits", -1);
2060     int has_channels = qdict_haskey(qdict, "nchannels");
2061     int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
2062     CaptureState *s;
2063
2064     s = qemu_mallocz (sizeof (*s));
2065
2066     freq = has_freq ? freq : 44100;
2067     bits = has_bits ? bits : 16;
2068     nchannels = has_channels ? nchannels : 2;
2069
2070     if (wav_start_capture (s, path, freq, bits, nchannels)) {
2071         monitor_printf(mon, "Faied to add wave capture\n");
2072         qemu_free (s);
2073     }
2074     QLIST_INSERT_HEAD (&capture_head, s, entries);
2075 }
2076 #endif
2077
2078 #if defined(TARGET_I386)
2079 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2080 {
2081     CPUState *env;
2082     int cpu_index = qdict_get_int(qdict, "cpu_index");
2083
2084     for (env = first_cpu; env != NULL; env = env->next_cpu)
2085         if (env->cpu_index == cpu_index) {
2086             cpu_interrupt(env, CPU_INTERRUPT_NMI);
2087             break;
2088         }
2089 }
2090 #endif
2091
2092 static void do_info_status_print(Monitor *mon, const QObject *data)
2093 {
2094     QDict *qdict;
2095
2096     qdict = qobject_to_qdict(data);
2097
2098     monitor_printf(mon, "VM status: ");
2099     if (qdict_get_bool(qdict, "running")) {
2100         monitor_printf(mon, "running");
2101         if (qdict_get_bool(qdict, "singlestep")) {
2102             monitor_printf(mon, " (single step mode)");
2103         }
2104     } else {
2105         monitor_printf(mon, "paused");
2106     }
2107
2108     monitor_printf(mon, "\n");
2109 }
2110
2111 static void do_info_status(Monitor *mon, QObject **ret_data)
2112 {
2113     *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2114                                     vm_running, singlestep);
2115 }
2116
2117 static qemu_acl *find_acl(Monitor *mon, const char *name)
2118 {
2119     qemu_acl *acl = qemu_acl_find(name);
2120
2121     if (!acl) {
2122         monitor_printf(mon, "acl: unknown list '%s'\n", name);
2123     }
2124     return acl;
2125 }
2126
2127 static void do_acl_show(Monitor *mon, const QDict *qdict)
2128 {
2129     const char *aclname = qdict_get_str(qdict, "aclname");
2130     qemu_acl *acl = find_acl(mon, aclname);
2131     qemu_acl_entry *entry;
2132     int i = 0;
2133
2134     if (acl) {
2135         monitor_printf(mon, "policy: %s\n",
2136                        acl->defaultDeny ? "deny" : "allow");
2137         QTAILQ_FOREACH(entry, &acl->entries, next) {
2138             i++;
2139             monitor_printf(mon, "%d: %s %s\n", i,
2140                            entry->deny ? "deny" : "allow", entry->match);
2141         }
2142     }
2143 }
2144
2145 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2146 {
2147     const char *aclname = qdict_get_str(qdict, "aclname");
2148     qemu_acl *acl = find_acl(mon, aclname);
2149
2150     if (acl) {
2151         qemu_acl_reset(acl);
2152         monitor_printf(mon, "acl: removed all rules\n");
2153     }
2154 }
2155
2156 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2157 {
2158     const char *aclname = qdict_get_str(qdict, "aclname");
2159     const char *policy = qdict_get_str(qdict, "policy");
2160     qemu_acl *acl = find_acl(mon, aclname);
2161
2162     if (acl) {
2163         if (strcmp(policy, "allow") == 0) {
2164             acl->defaultDeny = 0;
2165             monitor_printf(mon, "acl: policy set to 'allow'\n");
2166         } else if (strcmp(policy, "deny") == 0) {
2167             acl->defaultDeny = 1;
2168             monitor_printf(mon, "acl: policy set to 'deny'\n");
2169         } else {
2170             monitor_printf(mon, "acl: unknown policy '%s', "
2171                            "expected 'deny' or 'allow'\n", policy);
2172         }
2173     }
2174 }
2175
2176 static void do_acl_add(Monitor *mon, const QDict *qdict)
2177 {
2178     const char *aclname = qdict_get_str(qdict, "aclname");
2179     const char *match = qdict_get_str(qdict, "match");
2180     const char *policy = qdict_get_str(qdict, "policy");
2181     int has_index = qdict_haskey(qdict, "index");
2182     int index = qdict_get_try_int(qdict, "index", -1);
2183     qemu_acl *acl = find_acl(mon, aclname);
2184     int deny, ret;
2185
2186     if (acl) {
2187         if (strcmp(policy, "allow") == 0) {
2188             deny = 0;
2189         } else if (strcmp(policy, "deny") == 0) {
2190             deny = 1;
2191         } else {
2192             monitor_printf(mon, "acl: unknown policy '%s', "
2193                            "expected 'deny' or 'allow'\n", policy);
2194             return;
2195         }
2196         if (has_index)
2197             ret = qemu_acl_insert(acl, deny, match, index);
2198         else
2199             ret = qemu_acl_append(acl, deny, match);
2200         if (ret < 0)
2201             monitor_printf(mon, "acl: unable to add acl entry\n");
2202         else
2203             monitor_printf(mon, "acl: added rule at position %d\n", ret);
2204     }
2205 }
2206
2207 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2208 {
2209     const char *aclname = qdict_get_str(qdict, "aclname");
2210     const char *match = qdict_get_str(qdict, "match");
2211     qemu_acl *acl = find_acl(mon, aclname);
2212     int ret;
2213
2214     if (acl) {
2215         ret = qemu_acl_remove(acl, match);
2216         if (ret < 0)
2217             monitor_printf(mon, "acl: no matching acl entry\n");
2218         else
2219             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2220     }
2221 }
2222
2223 #if defined(TARGET_I386)
2224 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2225 {
2226     CPUState *cenv;
2227     int cpu_index = qdict_get_int(qdict, "cpu_index");
2228     int bank = qdict_get_int(qdict, "bank");
2229     uint64_t status = qdict_get_int(qdict, "status");
2230     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2231     uint64_t addr = qdict_get_int(qdict, "addr");
2232     uint64_t misc = qdict_get_int(qdict, "misc");
2233
2234     for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2235         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2236             cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2237             break;
2238         }
2239 }
2240 #endif
2241
2242 static int do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2243 {
2244     const char *fdname = qdict_get_str(qdict, "fdname");
2245     mon_fd_t *monfd;
2246     int fd;
2247
2248     fd = qemu_chr_get_msgfd(mon->chr);
2249     if (fd == -1) {
2250         qerror_report(QERR_FD_NOT_SUPPLIED);
2251         return -1;
2252     }
2253
2254     if (qemu_isdigit(fdname[0])) {
2255         qerror_report(QERR_INVALID_PARAMETER_VALUE, "fdname",
2256                       "a name not starting with a digit");
2257         return -1;
2258     }
2259
2260     QLIST_FOREACH(monfd, &mon->fds, next) {
2261         if (strcmp(monfd->name, fdname) != 0) {
2262             continue;
2263         }
2264
2265         close(monfd->fd);
2266         monfd->fd = fd;
2267         return 0;
2268     }
2269
2270     monfd = qemu_mallocz(sizeof(mon_fd_t));
2271     monfd->name = qemu_strdup(fdname);
2272     monfd->fd = fd;
2273
2274     QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2275     return 0;
2276 }
2277
2278 static int do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2279 {
2280     const char *fdname = qdict_get_str(qdict, "fdname");
2281     mon_fd_t *monfd;
2282
2283     QLIST_FOREACH(monfd, &mon->fds, next) {
2284         if (strcmp(monfd->name, fdname) != 0) {
2285             continue;
2286         }
2287
2288         QLIST_REMOVE(monfd, next);
2289         close(monfd->fd);
2290         qemu_free(monfd->name);
2291         qemu_free(monfd);
2292         return 0;
2293     }
2294
2295     qerror_report(QERR_FD_NOT_FOUND, fdname);
2296     return -1;
2297 }
2298
2299 static void do_loadvm(Monitor *mon, const QDict *qdict)
2300 {
2301     int saved_vm_running  = vm_running;
2302     const char *name = qdict_get_str(qdict, "name");
2303
2304     vm_stop(0);
2305
2306     if (load_vmstate(name) == 0 && saved_vm_running) {
2307         vm_start();
2308     }
2309 }
2310
2311 int monitor_get_fd(Monitor *mon, const char *fdname)
2312 {
2313     mon_fd_t *monfd;
2314
2315     QLIST_FOREACH(monfd, &mon->fds, next) {
2316         int fd;
2317
2318         if (strcmp(monfd->name, fdname) != 0) {
2319             continue;
2320         }
2321
2322         fd = monfd->fd;
2323
2324         /* caller takes ownership of fd */
2325         QLIST_REMOVE(monfd, next);
2326         qemu_free(monfd->name);
2327         qemu_free(monfd);
2328
2329         return fd;
2330     }
2331
2332     return -1;
2333 }
2334
2335 static const mon_cmd_t mon_cmds[] = {
2336 #include "hmp-commands.h"
2337     { NULL, NULL, },
2338 };
2339
2340 /* Please update hmp-commands.hx when adding or changing commands */
2341 static const mon_cmd_t info_cmds[] = {
2342     {
2343         .name       = "version",
2344         .args_type  = "",
2345         .params     = "",
2346         .help       = "show the version of QEMU",
2347         .user_print = do_info_version_print,
2348         .mhandler.info_new = do_info_version,
2349     },
2350     {
2351         .name       = "network",
2352         .args_type  = "",
2353         .params     = "",
2354         .help       = "show the network state",
2355         .mhandler.info = do_info_network,
2356     },
2357     {
2358         .name       = "chardev",
2359         .args_type  = "",
2360         .params     = "",
2361         .help       = "show the character devices",
2362         .user_print = qemu_chr_info_print,
2363         .mhandler.info_new = qemu_chr_info,
2364     },
2365     {
2366         .name       = "block",
2367         .args_type  = "",
2368         .params     = "",
2369         .help       = "show the block devices",
2370         .user_print = bdrv_info_print,
2371         .mhandler.info_new = bdrv_info,
2372     },
2373     {
2374         .name       = "blockstats",
2375         .args_type  = "",
2376         .params     = "",
2377         .help       = "show block device statistics",
2378         .user_print = bdrv_stats_print,
2379         .mhandler.info_new = bdrv_info_stats,
2380     },
2381     {
2382         .name       = "registers",
2383         .args_type  = "",
2384         .params     = "",
2385         .help       = "show the cpu registers",
2386         .mhandler.info = do_info_registers,
2387     },
2388     {
2389         .name       = "cpus",
2390         .args_type  = "",
2391         .params     = "",
2392         .help       = "show infos for each CPU",
2393         .user_print = monitor_print_cpus,
2394         .mhandler.info_new = do_info_cpus,
2395     },
2396     {
2397         .name       = "history",
2398         .args_type  = "",
2399         .params     = "",
2400         .help       = "show the command line history",
2401         .mhandler.info = do_info_history,
2402     },
2403     {
2404         .name       = "irq",
2405         .args_type  = "",
2406         .params     = "",
2407         .help       = "show the interrupts statistics (if available)",
2408         .mhandler.info = irq_info,
2409     },
2410     {
2411         .name       = "pic",
2412         .args_type  = "",
2413         .params     = "",
2414         .help       = "show i8259 (PIC) state",
2415         .mhandler.info = pic_info,
2416     },
2417     {
2418         .name       = "pci",
2419         .args_type  = "",
2420         .params     = "",
2421         .help       = "show PCI info",
2422         .user_print = do_pci_info_print,
2423         .mhandler.info_new = do_pci_info,
2424     },
2425 #if defined(TARGET_I386) || defined(TARGET_SH4)
2426     {
2427         .name       = "tlb",
2428         .args_type  = "",
2429         .params     = "",
2430         .help       = "show virtual to physical memory mappings",
2431         .mhandler.info = tlb_info,
2432     },
2433 #endif
2434 #if defined(TARGET_I386)
2435     {
2436         .name       = "mem",
2437         .args_type  = "",
2438         .params     = "",
2439         .help       = "show the active virtual memory mappings",
2440         .mhandler.info = mem_info,
2441     },
2442 #endif
2443     {
2444         .name       = "jit",
2445         .args_type  = "",
2446         .params     = "",
2447         .help       = "show dynamic compiler info",
2448         .mhandler.info = do_info_jit,
2449     },
2450     {
2451         .name       = "kvm",
2452         .args_type  = "",
2453         .params     = "",
2454         .help       = "show KVM information",
2455         .user_print = do_info_kvm_print,
2456         .mhandler.info_new = do_info_kvm,
2457     },
2458     {
2459         .name       = "numa",
2460         .args_type  = "",
2461         .params     = "",
2462         .help       = "show NUMA information",
2463         .mhandler.info = do_info_numa,
2464     },
2465     {
2466         .name       = "usb",
2467         .args_type  = "",
2468         .params     = "",
2469         .help       = "show guest USB devices",
2470         .mhandler.info = usb_info,
2471     },
2472     {
2473         .name       = "usbhost",
2474         .args_type  = "",
2475         .params     = "",
2476         .help       = "show host USB devices",
2477         .mhandler.info = usb_host_info,
2478     },
2479     {
2480         .name       = "profile",
2481         .args_type  = "",
2482         .params     = "",
2483         .help       = "show profiling information",
2484         .mhandler.info = do_info_profile,
2485     },
2486     {
2487         .name       = "capture",
2488         .args_type  = "",
2489         .params     = "",
2490         .help       = "show capture information",
2491         .mhandler.info = do_info_capture,
2492     },
2493     {
2494         .name       = "snapshots",
2495         .args_type  = "",
2496         .params     = "",
2497         .help       = "show the currently saved VM snapshots",
2498         .mhandler.info = do_info_snapshots,
2499     },
2500     {
2501         .name       = "status",
2502         .args_type  = "",
2503         .params     = "",
2504         .help       = "show the current VM status (running|paused)",
2505         .user_print = do_info_status_print,
2506         .mhandler.info_new = do_info_status,
2507     },
2508     {
2509         .name       = "pcmcia",
2510         .args_type  = "",
2511         .params     = "",
2512         .help       = "show guest PCMCIA status",
2513         .mhandler.info = pcmcia_info,
2514     },
2515     {
2516         .name       = "mice",
2517         .args_type  = "",
2518         .params     = "",
2519         .help       = "show which guest mouse is receiving events",
2520         .user_print = do_info_mice_print,
2521         .mhandler.info_new = do_info_mice,
2522     },
2523     {
2524         .name       = "vnc",
2525         .args_type  = "",
2526         .params     = "",
2527         .help       = "show the vnc server status",
2528         .user_print = do_info_vnc_print,
2529         .mhandler.info_new = do_info_vnc,
2530     },
2531     {
2532         .name       = "name",
2533         .args_type  = "",
2534         .params     = "",
2535         .help       = "show the current VM name",
2536         .user_print = do_info_name_print,
2537         .mhandler.info_new = do_info_name,
2538     },
2539     {
2540         .name       = "uuid",
2541         .args_type  = "",
2542         .params     = "",
2543         .help       = "show the current VM UUID",
2544         .user_print = do_info_uuid_print,
2545         .mhandler.info_new = do_info_uuid,
2546     },
2547 #if defined(TARGET_PPC)
2548     {
2549         .name       = "cpustats",
2550         .args_type  = "",
2551         .params     = "",
2552         .help       = "show CPU statistics",
2553         .mhandler.info = do_info_cpu_stats,
2554     },
2555 #endif
2556 #if defined(CONFIG_SLIRP)
2557     {
2558         .name       = "usernet",
2559         .args_type  = "",
2560         .params     = "",
2561         .help       = "show user network stack connection states",
2562         .mhandler.info = do_info_usernet,
2563     },
2564 #endif
2565     {
2566         .name       = "migrate",
2567         .args_type  = "",
2568         .params     = "",
2569         .help       = "show migration status",
2570         .user_print = do_info_migrate_print,
2571         .mhandler.info_new = do_info_migrate,
2572     },
2573     {
2574         .name       = "balloon",
2575         .args_type  = "",
2576         .params     = "",
2577         .help       = "show balloon information",
2578         .user_print = monitor_print_balloon,
2579         .mhandler.info_async = do_info_balloon,
2580         .flags      = MONITOR_CMD_ASYNC,
2581     },
2582     {
2583         .name       = "qtree",
2584         .args_type  = "",
2585         .params     = "",
2586         .help       = "show device tree",
2587         .mhandler.info = do_info_qtree,
2588     },
2589     {
2590         .name       = "qdm",
2591         .args_type  = "",
2592         .params     = "",
2593         .help       = "show qdev device model list",
2594         .mhandler.info = do_info_qdm,
2595     },
2596     {
2597         .name       = "roms",
2598         .args_type  = "",
2599         .params     = "",
2600         .help       = "show roms",
2601         .mhandler.info = do_info_roms,
2602     },
2603 #if defined(CONFIG_SIMPLE_TRACE)
2604     {
2605         .name       = "trace",
2606         .args_type  = "",
2607         .params     = "",
2608         .help       = "show current contents of trace buffer",
2609         .mhandler.info = do_info_trace,
2610     },
2611     {
2612         .name       = "trace-events",
2613         .args_type  = "",
2614         .params     = "",
2615         .help       = "show available trace-events & their state",
2616         .mhandler.info = do_info_trace_events,
2617     },
2618 #endif
2619     {
2620         .name       = NULL,
2621     },
2622 };
2623
2624 static const mon_cmd_t qmp_cmds[] = {
2625 #include "qmp-commands.h"
2626     { /* NULL */ },
2627 };
2628
2629 static const mon_cmd_t qmp_query_cmds[] = {
2630     {
2631         .name       = "version",
2632         .args_type  = "",
2633         .params     = "",
2634         .help       = "show the version of QEMU",
2635         .user_print = do_info_version_print,
2636         .mhandler.info_new = do_info_version,
2637     },
2638     {
2639         .name       = "commands",
2640         .args_type  = "",
2641         .params     = "",
2642         .help       = "list QMP available commands",
2643         .user_print = monitor_user_noop,
2644         .mhandler.info_new = do_info_commands,
2645     },
2646     {
2647         .name       = "chardev",
2648         .args_type  = "",
2649         .params     = "",
2650         .help       = "show the character devices",
2651         .user_print = qemu_chr_info_print,
2652         .mhandler.info_new = qemu_chr_info,
2653     },
2654     {
2655         .name       = "block",
2656         .args_type  = "",
2657         .params     = "",
2658         .help       = "show the block devices",
2659         .user_print = bdrv_info_print,
2660         .mhandler.info_new = bdrv_info,
2661     },
2662     {
2663         .name       = "blockstats",
2664         .args_type  = "",
2665         .params     = "",
2666         .help       = "show block device statistics",
2667         .user_print = bdrv_stats_print,
2668         .mhandler.info_new = bdrv_info_stats,
2669     },
2670     {
2671         .name       = "cpus",
2672         .args_type  = "",
2673         .params     = "",
2674         .help       = "show infos for each CPU",
2675         .user_print = monitor_print_cpus,
2676         .mhandler.info_new = do_info_cpus,
2677     },
2678     {
2679         .name       = "pci",
2680         .args_type  = "",
2681         .params     = "",
2682         .help       = "show PCI info",
2683         .user_print = do_pci_info_print,
2684         .mhandler.info_new = do_pci_info,
2685     },
2686     {
2687         .name       = "kvm",
2688         .args_type  = "",
2689         .params     = "",
2690         .help       = "show KVM information",
2691         .user_print = do_info_kvm_print,
2692         .mhandler.info_new = do_info_kvm,
2693     },
2694     {
2695         .name       = "status",
2696         .args_type  = "",
2697         .params     = "",
2698         .help       = "show the current VM status (running|paused)",
2699         .user_print = do_info_status_print,
2700         .mhandler.info_new = do_info_status,
2701     },
2702     {
2703         .name       = "mice",
2704         .args_type  = "",
2705         .params     = "",
2706         .help       = "show which guest mouse is receiving events",
2707         .user_print = do_info_mice_print,
2708         .mhandler.info_new = do_info_mice,
2709     },
2710     {
2711         .name       = "vnc",
2712         .args_type  = "",
2713         .params     = "",
2714         .help       = "show the vnc server status",
2715         .user_print = do_info_vnc_print,
2716         .mhandler.info_new = do_info_vnc,
2717     },
2718     {
2719         .name       = "name",
2720         .args_type  = "",
2721         .params     = "",
2722         .help       = "show the current VM name",
2723         .user_print = do_info_name_print,
2724         .mhandler.info_new = do_info_name,
2725     },
2726     {
2727         .name       = "uuid",
2728         .args_type  = "",
2729         .params     = "",
2730         .help       = "show the current VM UUID",
2731         .user_print = do_info_uuid_print,
2732         .mhandler.info_new = do_info_uuid,
2733     },
2734     {
2735         .name       = "migrate",
2736         .args_type  = "",
2737         .params     = "",
2738         .help       = "show migration status",
2739         .user_print = do_info_migrate_print,
2740         .mhandler.info_new = do_info_migrate,
2741     },
2742     {
2743         .name       = "balloon",
2744         .args_type  = "",
2745         .params     = "",
2746         .help       = "show balloon information",
2747         .user_print = monitor_print_balloon,
2748         .mhandler.info_async = do_info_balloon,
2749         .flags      = MONITOR_CMD_ASYNC,
2750     },
2751     { /* NULL */ },
2752 };
2753
2754 /*******************************************************************/
2755
2756 static const char *pch;
2757 static jmp_buf expr_env;
2758
2759 #define MD_TLONG 0
2760 #define MD_I32   1
2761
2762 typedef struct MonitorDef {
2763     const char *name;
2764     int offset;
2765     target_long (*get_value)(const struct MonitorDef *md, int val);
2766     int type;
2767 } MonitorDef;
2768
2769 #if defined(TARGET_I386)
2770 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2771 {
2772     CPUState *env = mon_get_cpu();
2773     return env->eip + env->segs[R_CS].base;
2774 }
2775 #endif
2776
2777 #if defined(TARGET_PPC)
2778 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2779 {
2780     CPUState *env = mon_get_cpu();
2781     unsigned int u;
2782     int i;
2783
2784     u = 0;
2785     for (i = 0; i < 8; i++)
2786         u |= env->crf[i] << (32 - (4 * i));
2787
2788     return u;
2789 }
2790
2791 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2792 {
2793     CPUState *env = mon_get_cpu();
2794     return env->msr;
2795 }
2796
2797 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2798 {
2799     CPUState *env = mon_get_cpu();
2800     return env->xer;
2801 }
2802
2803 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2804 {
2805     CPUState *env = mon_get_cpu();
2806     return cpu_ppc_load_decr(env);
2807 }
2808
2809 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2810 {
2811     CPUState *env = mon_get_cpu();
2812     return cpu_ppc_load_tbu(env);
2813 }
2814
2815 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2816 {
2817     CPUState *env = mon_get_cpu();
2818     return cpu_ppc_load_tbl(env);
2819 }
2820 #endif
2821
2822 #if defined(TARGET_SPARC)
2823 #ifndef TARGET_SPARC64
2824 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2825 {
2826     CPUState *env = mon_get_cpu();
2827
2828     return cpu_get_psr(env);
2829 }
2830 #endif
2831
2832 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2833 {
2834     CPUState *env = mon_get_cpu();
2835     return env->regwptr[val];
2836 }
2837 #endif
2838
2839 static const MonitorDef monitor_defs[] = {
2840 #ifdef TARGET_I386
2841
2842 #define SEG(name, seg) \
2843     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2844     { name ".base", offsetof(CPUState, segs[seg].base) },\
2845     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2846
2847     { "eax", offsetof(CPUState, regs[0]) },
2848     { "ecx", offsetof(CPUState, regs[1]) },
2849     { "edx", offsetof(CPUState, regs[2]) },
2850     { "ebx", offsetof(CPUState, regs[3]) },
2851     { "esp|sp", offsetof(CPUState, regs[4]) },
2852     { "ebp|fp", offsetof(CPUState, regs[5]) },
2853     { "esi", offsetof(CPUState, regs[6]) },
2854     { "edi", offsetof(CPUState, regs[7]) },
2855 #ifdef TARGET_X86_64
2856     { "r8", offsetof(CPUState, regs[8]) },
2857     { "r9", offsetof(CPUState, regs[9]) },
2858     { "r10", offsetof(CPUState, regs[10]) },
2859     { "r11", offsetof(CPUState, regs[11]) },
2860     { "r12", offsetof(CPUState, regs[12]) },
2861     { "r13", offsetof(CPUState, regs[13]) },
2862     { "r14", offsetof(CPUState, regs[14]) },
2863     { "r15", offsetof(CPUState, regs[15]) },
2864 #endif
2865     { "eflags", offsetof(CPUState, eflags) },
2866     { "eip", offsetof(CPUState, eip) },
2867     SEG("cs", R_CS)
2868     SEG("ds", R_DS)
2869     SEG("es", R_ES)
2870     SEG("ss", R_SS)
2871     SEG("fs", R_FS)
2872     SEG("gs", R_GS)
2873     { "pc", 0, monitor_get_pc, },
2874 #elif defined(TARGET_PPC)
2875     /* General purpose registers */
2876     { "r0", offsetof(CPUState, gpr[0]) },
2877     { "r1", offsetof(CPUState, gpr[1]) },
2878     { "r2", offsetof(CPUState, gpr[2]) },
2879     { "r3", offsetof(CPUState, gpr[3]) },
2880     { "r4", offsetof(CPUState, gpr[4]) },
2881     { "r5", offsetof(CPUState, gpr[5]) },
2882     { "r6", offsetof(CPUState, gpr[6]) },
2883     { "r7", offsetof(CPUState, gpr[7]) },
2884     { "r8", offsetof(CPUState, gpr[8]) },
2885     { "r9", offsetof(CPUState, gpr[9]) },
2886     { "r10", offsetof(CPUState, gpr[10]) },
2887     { "r11", offsetof(CPUState, gpr[11]) },
2888     { "r12", offsetof(CPUState, gpr[12]) },
2889     { "r13", offsetof(CPUState, gpr[13]) },
2890     { "r14", offsetof(CPUState, gpr[14]) },
2891     { "r15", offsetof(CPUState, gpr[15]) },
2892     { "r16", offsetof(CPUState, gpr[16]) },
2893     { "r17", offsetof(CPUState, gpr[17]) },
2894     { "r18", offsetof(CPUState, gpr[18]) },
2895     { "r19", offsetof(CPUState, gpr[19]) },
2896     { "r20", offsetof(CPUState, gpr[20]) },
2897     { "r21", offsetof(CPUState, gpr[21]) },
2898     { "r22", offsetof(CPUState, gpr[22]) },
2899     { "r23", offsetof(CPUState, gpr[23]) },
2900     { "r24", offsetof(CPUState, gpr[24]) },
2901     { "r25", offsetof(CPUState, gpr[25]) },
2902     { "r26", offsetof(CPUState, gpr[26]) },
2903     { "r27", offsetof(CPUState, gpr[27]) },
2904     { "r28", offsetof(CPUState, gpr[28]) },
2905     { "r29", offsetof(CPUState, gpr[29]) },
2906     { "r30", offsetof(CPUState, gpr[30]) },
2907     { "r31", offsetof(CPUState, gpr[31]) },
2908     /* Floating point registers */
2909     { "f0", offsetof(CPUState, fpr[0]) },
2910     { "f1", offsetof(CPUState, fpr[1]) },
2911     { "f2", offsetof(CPUState, fpr[2]) },
2912     { "f3", offsetof(CPUState, fpr[3]) },
2913     { "f4", offsetof(CPUState, fpr[4]) },
2914     { "f5", offsetof(CPUState, fpr[5]) },
2915     { "f6", offsetof(CPUState, fpr[6]) },
2916     { "f7", offsetof(CPUState, fpr[7]) },
2917     { "f8", offsetof(CPUState, fpr[8]) },
2918     { "f9", offsetof(CPUState, fpr[9]) },
2919     { "f10", offsetof(CPUState, fpr[10]) },
2920     { "f11", offsetof(CPUState, fpr[11]) },
2921     { "f12", offsetof(CPUState, fpr[12]) },
2922     { "f13", offsetof(CPUState, fpr[13]) },
2923     { "f14", offsetof(CPUState, fpr[14]) },
2924     { "f15", offsetof(CPUState, fpr[15]) },
2925     { "f16", offsetof(CPUState, fpr[16]) },
2926     { "f17", offsetof(CPUState, fpr[17]) },
2927     { "f18", offsetof(CPUState, fpr[18]) },
2928     { "f19", offsetof(CPUState, fpr[19]) },
2929     { "f20", offsetof(CPUState, fpr[20]) },
2930     { "f21", offsetof(CPUState, fpr[21]) },
2931     { "f22", offsetof(CPUState, fpr[22]) },
2932     { "f23", offsetof(CPUState, fpr[23]) },
2933     { "f24", offsetof(CPUState, fpr[24]) },
2934     { "f25", offsetof(CPUState, fpr[25]) },
2935     { "f26", offsetof(CPUState, fpr[26]) },
2936     { "f27", offsetof(CPUState, fpr[27]) },
2937     { "f28", offsetof(CPUState, fpr[28]) },
2938     { "f29", offsetof(CPUState, fpr[29]) },
2939     { "f30", offsetof(CPUState, fpr[30]) },
2940     { "f31", offsetof(CPUState, fpr[31]) },
2941     { "fpscr", offsetof(CPUState, fpscr) },
2942     /* Next instruction pointer */
2943     { "nip|pc", offsetof(CPUState, nip) },
2944     { "lr", offsetof(CPUState, lr) },
2945     { "ctr", offsetof(CPUState, ctr) },
2946     { "decr", 0, &monitor_get_decr, },
2947     { "ccr", 0, &monitor_get_ccr, },
2948     /* Machine state register */
2949     { "msr", 0, &monitor_get_msr, },
2950     { "xer", 0, &monitor_get_xer, },
2951     { "tbu", 0, &monitor_get_tbu, },
2952     { "tbl", 0, &monitor_get_tbl, },
2953 #if defined(TARGET_PPC64)
2954     /* Address space register */
2955     { "asr", offsetof(CPUState, asr) },
2956 #endif
2957     /* Segment registers */
2958     { "sdr1", offsetof(CPUState, sdr1) },
2959     { "sr0", offsetof(CPUState, sr[0]) },
2960     { "sr1", offsetof(CPUState, sr[1]) },
2961     { "sr2", offsetof(CPUState, sr[2]) },
2962     { "sr3", offsetof(CPUState, sr[3]) },
2963     { "sr4", offsetof(CPUState, sr[4]) },
2964     { "sr5", offsetof(CPUState, sr[5]) },
2965     { "sr6", offsetof(CPUState, sr[6]) },
2966     { "sr7", offsetof(CPUState, sr[7]) },
2967     { "sr8", offsetof(CPUState, sr[8]) },
2968     { "sr9", offsetof(CPUState, sr[9]) },
2969     { "sr10", offsetof(CPUState, sr[10]) },
2970     { "sr11", offsetof(CPUState, sr[11]) },
2971     { "sr12", offsetof(CPUState, sr[12]) },
2972     { "sr13", offsetof(CPUState, sr[13]) },
2973     { "sr14", offsetof(CPUState, sr[14]) },
2974     { "sr15", offsetof(CPUState, sr[15]) },
2975     /* Too lazy to put BATs and SPRs ... */
2976 #elif defined(TARGET_SPARC)
2977     { "g0", offsetof(CPUState, gregs[0]) },
2978     { "g1", offsetof(CPUState, gregs[1]) },
2979     { "g2", offsetof(CPUState, gregs[2]) },
2980     { "g3", offsetof(CPUState, gregs[3]) },
2981     { "g4", offsetof(CPUState, gregs[4]) },
2982     { "g5", offsetof(CPUState, gregs[5]) },
2983     { "g6", offsetof(CPUState, gregs[6]) },
2984     { "g7", offsetof(CPUState, gregs[7]) },
2985     { "o0", 0, monitor_get_reg },
2986     { "o1", 1, monitor_get_reg },
2987     { "o2", 2, monitor_get_reg },
2988     { "o3", 3, monitor_get_reg },
2989     { "o4", 4, monitor_get_reg },
2990     { "o5", 5, monitor_get_reg },
2991     { "o6", 6, monitor_get_reg },
2992     { "o7", 7, monitor_get_reg },
2993     { "l0", 8, monitor_get_reg },
2994     { "l1", 9, monitor_get_reg },
2995     { "l2", 10, monitor_get_reg },
2996     { "l3", 11, monitor_get_reg },
2997     { "l4", 12, monitor_get_reg },
2998     { "l5", 13, monitor_get_reg },
2999     { "l6", 14, monitor_get_reg },
3000     { "l7", 15, monitor_get_reg },
3001     { "i0", 16, monitor_get_reg },
3002     { "i1", 17, monitor_get_reg },
3003     { "i2", 18, monitor_get_reg },
3004     { "i3", 19, monitor_get_reg },
3005     { "i4", 20, monitor_get_reg },
3006     { "i5", 21, monitor_get_reg },
3007     { "i6", 22, monitor_get_reg },
3008     { "i7", 23, monitor_get_reg },
3009     { "pc", offsetof(CPUState, pc) },
3010     { "npc", offsetof(CPUState, npc) },
3011     { "y", offsetof(CPUState, y) },
3012 #ifndef TARGET_SPARC64
3013     { "psr", 0, &monitor_get_psr, },
3014     { "wim", offsetof(CPUState, wim) },
3015 #endif
3016     { "tbr", offsetof(CPUState, tbr) },
3017     { "fsr", offsetof(CPUState, fsr) },
3018     { "f0", offsetof(CPUState, fpr[0]) },
3019     { "f1", offsetof(CPUState, fpr[1]) },
3020     { "f2", offsetof(CPUState, fpr[2]) },
3021     { "f3", offsetof(CPUState, fpr[3]) },
3022     { "f4", offsetof(CPUState, fpr[4]) },
3023     { "f5", offsetof(CPUState, fpr[5]) },
3024     { "f6", offsetof(CPUState, fpr[6]) },
3025     { "f7", offsetof(CPUState, fpr[7]) },
3026     { "f8", offsetof(CPUState, fpr[8]) },
3027     { "f9", offsetof(CPUState, fpr[9]) },
3028     { "f10", offsetof(CPUState, fpr[10]) },
3029     { "f11", offsetof(CPUState, fpr[11]) },
3030     { "f12", offsetof(CPUState, fpr[12]) },
3031     { "f13", offsetof(CPUState, fpr[13]) },
3032     { "f14", offsetof(CPUState, fpr[14]) },
3033     { "f15", offsetof(CPUState, fpr[15]) },
3034     { "f16", offsetof(CPUState, fpr[16]) },
3035     { "f17", offsetof(CPUState, fpr[17]) },
3036     { "f18", offsetof(CPUState, fpr[18]) },
3037     { "f19", offsetof(CPUState, fpr[19]) },
3038     { "f20", offsetof(CPUState, fpr[20]) },
3039     { "f21", offsetof(CPUState, fpr[21]) },
3040     { "f22", offsetof(CPUState, fpr[22]) },
3041     { "f23", offsetof(CPUState, fpr[23]) },
3042     { "f24", offsetof(CPUState, fpr[24]) },
3043     { "f25", offsetof(CPUState, fpr[25]) },
3044     { "f26", offsetof(CPUState, fpr[26]) },
3045     { "f27", offsetof(CPUState, fpr[27]) },
3046     { "f28", offsetof(CPUState, fpr[28]) },
3047     { "f29", offsetof(CPUState, fpr[29]) },
3048     { "f30", offsetof(CPUState, fpr[30]) },
3049     { "f31", offsetof(CPUState, fpr[31]) },
3050 #ifdef TARGET_SPARC64
3051     { "f32", offsetof(CPUState, fpr[32]) },
3052     { "f34", offsetof(CPUState, fpr[34]) },
3053     { "f36", offsetof(CPUState, fpr[36]) },
3054     { "f38", offsetof(CPUState, fpr[38]) },
3055     { "f40", offsetof(CPUState, fpr[40]) },
3056     { "f42", offsetof(CPUState, fpr[42]) },
3057     { "f44", offsetof(CPUState, fpr[44]) },
3058     { "f46", offsetof(CPUState, fpr[46]) },
3059     { "f48", offsetof(CPUState, fpr[48]) },
3060     { "f50", offsetof(CPUState, fpr[50]) },
3061     { "f52", offsetof(CPUState, fpr[52]) },
3062     { "f54", offsetof(CPUState, fpr[54]) },
3063     { "f56", offsetof(CPUState, fpr[56]) },
3064     { "f58", offsetof(CPUState, fpr[58]) },
3065     { "f60", offsetof(CPUState, fpr[60]) },
3066     { "f62", offsetof(CPUState, fpr[62]) },
3067     { "asi", offsetof(CPUState, asi) },
3068     { "pstate", offsetof(CPUState, pstate) },
3069     { "cansave", offsetof(CPUState, cansave) },
3070     { "canrestore", offsetof(CPUState, canrestore) },
3071     { "otherwin", offsetof(CPUState, otherwin) },
3072     { "wstate", offsetof(CPUState, wstate) },
3073     { "cleanwin", offsetof(CPUState, cleanwin) },
3074     { "fprs", offsetof(CPUState, fprs) },
3075 #endif
3076 #endif
3077     { NULL },
3078 };
3079
3080 static void expr_error(Monitor *mon, const char *msg)
3081 {
3082     monitor_printf(mon, "%s\n", msg);
3083     longjmp(expr_env, 1);
3084 }
3085
3086 /* return 0 if OK, -1 if not found */
3087 static int get_monitor_def(target_long *pval, const char *name)
3088 {
3089     const MonitorDef *md;
3090     void *ptr;
3091
3092     for(md = monitor_defs; md->name != NULL; md++) {
3093         if (compare_cmd(name, md->name)) {
3094             if (md->get_value) {
3095                 *pval = md->get_value(md, md->offset);
3096             } else {
3097                 CPUState *env = mon_get_cpu();
3098                 ptr = (uint8_t *)env + md->offset;
3099                 switch(md->type) {
3100                 case MD_I32:
3101                     *pval = *(int32_t *)ptr;
3102                     break;
3103                 case MD_TLONG:
3104                     *pval = *(target_long *)ptr;
3105                     break;
3106                 default:
3107                     *pval = 0;
3108                     break;
3109                 }
3110             }
3111             return 0;
3112         }
3113     }
3114     return -1;
3115 }
3116
3117 static void next(void)
3118 {
3119     if (*pch != '\0') {
3120         pch++;
3121         while (qemu_isspace(*pch))
3122             pch++;
3123     }
3124 }
3125
3126 static int64_t expr_sum(Monitor *mon);
3127
3128 static int64_t expr_unary(Monitor *mon)
3129 {
3130     int64_t n;
3131     char *p;
3132     int ret;
3133
3134     switch(*pch) {
3135     case '+':
3136         next();
3137         n = expr_unary(mon);
3138         break;
3139     case '-':
3140         next();
3141         n = -expr_unary(mon);
3142         break;
3143     case '~':
3144         next();
3145         n = ~expr_unary(mon);
3146         break;
3147     case '(':
3148         next();
3149         n = expr_sum(mon);
3150         if (*pch != ')') {
3151             expr_error(mon, "')' expected");
3152         }
3153         next();
3154         break;
3155     case '\'':
3156         pch++;
3157         if (*pch == '\0')
3158             expr_error(mon, "character constant expected");
3159         n = *pch;
3160         pch++;
3161         if (*pch != '\'')
3162             expr_error(mon, "missing terminating \' character");
3163         next();
3164         break;
3165     case '$':
3166         {
3167             char buf[128], *q;
3168             target_long reg=0;
3169
3170             pch++;
3171             q = buf;
3172             while ((*pch >= 'a' && *pch <= 'z') ||
3173                    (*pch >= 'A' && *pch <= 'Z') ||
3174                    (*pch >= '0' && *pch <= '9') ||
3175                    *pch == '_' || *pch == '.') {
3176                 if ((q - buf) < sizeof(buf) - 1)
3177                     *q++ = *pch;
3178                 pch++;
3179             }
3180             while (qemu_isspace(*pch))
3181                 pch++;
3182             *q = 0;
3183             ret = get_monitor_def(&reg, buf);
3184             if (ret < 0)
3185                 expr_error(mon, "unknown register");
3186             n = reg;
3187         }
3188         break;
3189     case '\0':
3190         expr_error(mon, "unexpected end of expression");
3191         n = 0;
3192         break;
3193     default:
3194 #if TARGET_PHYS_ADDR_BITS > 32
3195         n = strtoull(pch, &p, 0);
3196 #else
3197         n = strtoul(pch, &p, 0);
3198 #endif
3199         if (pch == p) {
3200             expr_error(mon, "invalid char in expression");
3201         }
3202         pch = p;
3203         while (qemu_isspace(*pch))
3204             pch++;
3205         break;
3206     }
3207     return n;
3208 }
3209
3210
3211 static int64_t expr_prod(Monitor *mon)
3212 {
3213     int64_t val, val2;
3214     int op;
3215
3216     val = expr_unary(mon);
3217     for(;;) {
3218         op = *pch;
3219         if (op != '*' && op != '/' && op != '%')
3220             break;
3221         next();
3222         val2 = expr_unary(mon);
3223         switch(op) {
3224         default:
3225         case '*':
3226             val *= val2;
3227             break;
3228         case '/':
3229         case '%':
3230             if (val2 == 0)
3231                 expr_error(mon, "division by zero");
3232             if (op == '/')
3233                 val /= val2;
3234             else
3235                 val %= val2;
3236             break;
3237         }
3238     }
3239     return val;
3240 }
3241
3242 static int64_t expr_logic(Monitor *mon)
3243 {
3244     int64_t val, val2;
3245     int op;
3246
3247     val = expr_prod(mon);
3248     for(;;) {
3249         op = *pch;
3250         if (op != '&' && op != '|' && op != '^')
3251             break;
3252         next();
3253         val2 = expr_prod(mon);
3254         switch(op) {
3255         default:
3256         case '&':
3257             val &= val2;
3258             break;
3259         case '|':
3260             val |= val2;
3261             break;
3262         case '^':
3263             val ^= val2;
3264             break;
3265         }
3266     }
3267     return val;
3268 }
3269
3270 static int64_t expr_sum(Monitor *mon)
3271 {
3272     int64_t val, val2;
3273     int op;
3274
3275     val = expr_logic(mon);
3276     for(;;) {
3277         op = *pch;
3278         if (op != '+' && op != '-')
3279             break;
3280         next();
3281         val2 = expr_logic(mon);
3282         if (op == '+')
3283             val += val2;
3284         else
3285             val -= val2;
3286     }
3287     return val;
3288 }
3289
3290 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3291 {
3292     pch = *pp;
3293     if (setjmp(expr_env)) {
3294         *pp = pch;
3295         return -1;
3296     }
3297     while (qemu_isspace(*pch))
3298         pch++;
3299     *pval = expr_sum(mon);
3300     *pp = pch;
3301     return 0;
3302 }
3303
3304 static int get_double(Monitor *mon, double *pval, const char **pp)
3305 {
3306     const char *p = *pp;
3307     char *tailp;
3308     double d;
3309
3310     d = strtod(p, &tailp);
3311     if (tailp == p) {
3312         monitor_printf(mon, "Number expected\n");
3313         return -1;
3314     }
3315     if (d != d || d - d != 0) {
3316         /* NaN or infinity */
3317         monitor_printf(mon, "Bad number\n");
3318         return -1;
3319     }
3320     *pval = d;
3321     *pp = tailp;
3322     return 0;
3323 }
3324
3325 static int get_str(char *buf, int buf_size, const char **pp)
3326 {
3327     const char *p;
3328     char *q;
3329     int c;
3330
3331     q = buf;
3332     p = *pp;
3333     while (qemu_isspace(*p))
3334         p++;
3335     if (*p == '\0') {
3336     fail:
3337         *q = '\0';
3338         *pp = p;
3339         return -1;
3340     }
3341     if (*p == '\"') {
3342         p++;
3343         while (*p != '\0' && *p != '\"') {
3344             if (*p == '\\') {
3345                 p++;
3346                 c = *p++;
3347                 switch(c) {
3348                 case 'n':
3349                     c = '\n';
3350                     break;
3351                 case 'r':
3352                     c = '\r';
3353                     break;
3354                 case '\\':
3355                 case '\'':
3356                 case '\"':
3357                     break;
3358                 default:
3359                     qemu_printf("unsupported escape code: '\\%c'\n", c);
3360                     goto fail;
3361                 }
3362                 if ((q - buf) < buf_size - 1) {
3363                     *q++ = c;
3364                 }
3365             } else {
3366                 if ((q - buf) < buf_size - 1) {
3367                     *q++ = *p;
3368                 }
3369                 p++;
3370             }
3371         }
3372         if (*p != '\"') {
3373             qemu_printf("unterminated string\n");
3374             goto fail;
3375         }
3376         p++;
3377     } else {
3378         while (*p != '\0' && !qemu_isspace(*p)) {
3379             if ((q - buf) < buf_size - 1) {
3380                 *q++ = *p;
3381             }
3382             p++;
3383         }
3384     }
3385     *q = '\0';
3386     *pp = p;
3387     return 0;
3388 }
3389
3390 /*
3391  * Store the command-name in cmdname, and return a pointer to
3392  * the remaining of the command string.
3393  */
3394 static const char *get_command_name(const char *cmdline,
3395                                     char *cmdname, size_t nlen)
3396 {
3397     size_t len;
3398     const char *p, *pstart;
3399
3400     p = cmdline;
3401     while (qemu_isspace(*p))
3402         p++;
3403     if (*p == '\0')
3404         return NULL;
3405     pstart = p;
3406     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3407         p++;
3408     len = p - pstart;
3409     if (len > nlen - 1)
3410         len = nlen - 1;
3411     memcpy(cmdname, pstart, len);
3412     cmdname[len] = '\0';
3413     return p;
3414 }
3415
3416 /**
3417  * Read key of 'type' into 'key' and return the current
3418  * 'type' pointer.
3419  */
3420 static char *key_get_info(const char *type, char **key)
3421 {
3422     size_t len;
3423     char *p, *str;
3424
3425     if (*type == ',')
3426         type++;
3427
3428     p = strchr(type, ':');
3429     if (!p) {
3430         *key = NULL;
3431         return NULL;
3432     }
3433     len = p - type;
3434
3435     str = qemu_malloc(len + 1);
3436     memcpy(str, type, len);
3437     str[len] = '\0';
3438
3439     *key = str;
3440     return ++p;
3441 }
3442
3443 static int default_fmt_format = 'x';
3444 static int default_fmt_size = 4;
3445
3446 #define MAX_ARGS 16
3447
3448 static int is_valid_option(const char *c, const char *typestr)
3449 {
3450     char option[3];
3451
3452     option[0] = '-';
3453     option[1] = *c;
3454     option[2] = '\0';
3455
3456     typestr = strstr(typestr, option);
3457     return (typestr != NULL);
3458 }
3459
3460 static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
3461                                               const char *cmdname)
3462 {
3463     const mon_cmd_t *cmd;
3464
3465     for (cmd = disp_table; cmd->name != NULL; cmd++) {
3466         if (compare_cmd(cmdname, cmd->name)) {
3467             return cmd;
3468         }
3469     }
3470
3471     return NULL;
3472 }
3473
3474 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3475 {
3476     return search_dispatch_table(mon_cmds, cmdname);
3477 }
3478
3479 static const mon_cmd_t *qmp_find_query_cmd(const char *info_item)
3480 {
3481     return search_dispatch_table(qmp_query_cmds, info_item);
3482 }
3483
3484 static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
3485 {
3486     return search_dispatch_table(qmp_cmds, cmdname);
3487 }
3488
3489 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3490                                               const char *cmdline,
3491                                               QDict *qdict)
3492 {
3493     const char *p, *typestr;
3494     int c;
3495     const mon_cmd_t *cmd;
3496     char cmdname[256];
3497     char buf[1024];
3498     char *key;
3499
3500 #ifdef DEBUG
3501     monitor_printf(mon, "command='%s'\n", cmdline);
3502 #endif
3503
3504     /* extract the command name */
3505     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3506     if (!p)
3507         return NULL;
3508
3509     cmd = monitor_find_command(cmdname);
3510     if (!cmd) {
3511         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3512         return NULL;
3513     }
3514
3515     /* parse the parameters */
3516     typestr = cmd->args_type;
3517     for(;;) {
3518         typestr = key_get_info(typestr, &key);
3519         if (!typestr)
3520             break;
3521         c = *typestr;
3522         typestr++;
3523         switch(c) {
3524         case 'F':
3525         case 'B':
3526         case 's':
3527             {
3528                 int ret;
3529
3530                 while (qemu_isspace(*p))
3531                     p++;
3532                 if (*typestr == '?') {
3533                     typestr++;
3534                     if (*p == '\0') {
3535                         /* no optional string: NULL argument */
3536                         break;
3537                     }
3538                 }
3539                 ret = get_str(buf, sizeof(buf), &p);
3540                 if (ret < 0) {
3541                     switch(c) {
3542                     case 'F':
3543                         monitor_printf(mon, "%s: filename expected\n",
3544                                        cmdname);
3545                         break;
3546                     case 'B':
3547                         monitor_printf(mon, "%s: block device name expected\n",
3548                                        cmdname);
3549                         break;
3550                     default:
3551                         monitor_printf(mon, "%s: string expected\n", cmdname);
3552                         break;
3553                     }
3554                     goto fail;
3555                 }
3556                 qdict_put(qdict, key, qstring_from_str(buf));
3557             }
3558             break;
3559         case 'O':
3560             {
3561                 QemuOptsList *opts_list;
3562                 QemuOpts *opts;
3563
3564                 opts_list = qemu_find_opts(key);
3565                 if (!opts_list || opts_list->desc->name) {
3566                     goto bad_type;
3567                 }
3568                 while (qemu_isspace(*p)) {
3569                     p++;
3570                 }
3571                 if (!*p)
3572                     break;
3573                 if (get_str(buf, sizeof(buf), &p) < 0) {
3574                     goto fail;
3575                 }
3576                 opts = qemu_opts_parse(opts_list, buf, 1);
3577                 if (!opts) {
3578                     goto fail;
3579                 }
3580                 qemu_opts_to_qdict(opts, qdict);
3581                 qemu_opts_del(opts);
3582             }
3583             break;
3584         case '/':
3585             {
3586                 int count, format, size;
3587
3588                 while (qemu_isspace(*p))
3589                     p++;
3590                 if (*p == '/') {
3591                     /* format found */
3592                     p++;
3593                     count = 1;
3594                     if (qemu_isdigit(*p)) {
3595                         count = 0;
3596                         while (qemu_isdigit(*p)) {
3597                             count = count * 10 + (*p - '0');
3598                             p++;
3599                         }
3600                     }
3601                     size = -1;
3602                     format = -1;
3603                     for(;;) {
3604                         switch(*p) {
3605                         case 'o':
3606                         case 'd':
3607                         case 'u':
3608                         case 'x':
3609                         case 'i':
3610                         case 'c':
3611                             format = *p++;
3612                             break;
3613                         case 'b':
3614                             size = 1;
3615                             p++;
3616                             break;
3617                         case 'h':
3618                             size = 2;
3619                             p++;
3620                             break;
3621                         case 'w':
3622                             size = 4;
3623                             p++;
3624                             break;
3625                         case 'g':
3626                         case 'L':
3627                             size = 8;
3628                             p++;
3629                             break;
3630                         default:
3631                             goto next;
3632                         }
3633                     }
3634                 next:
3635                     if (*p != '\0' && !qemu_isspace(*p)) {
3636                         monitor_printf(mon, "invalid char in format: '%c'\n",
3637                                        *p);
3638                         goto fail;
3639                     }
3640                     if (format < 0)
3641                         format = default_fmt_format;
3642                     if (format != 'i') {
3643                         /* for 'i', not specifying a size gives -1 as size */
3644                         if (size < 0)
3645                             size = default_fmt_size;
3646                         default_fmt_size = size;
3647                     }
3648                     default_fmt_format = format;
3649                 } else {
3650                     count = 1;
3651                     format = default_fmt_format;
3652                     if (format != 'i') {
3653                         size = default_fmt_size;
3654                     } else {
3655                         size = -1;
3656                     }
3657                 }
3658                 qdict_put(qdict, "count", qint_from_int(count));
3659                 qdict_put(qdict, "format", qint_from_int(format));
3660                 qdict_put(qdict, "size", qint_from_int(size));
3661             }
3662             break;
3663         case 'i':
3664         case 'l':
3665         case 'M':
3666             {
3667                 int64_t val;
3668
3669                 while (qemu_isspace(*p))
3670                     p++;
3671                 if (*typestr == '?' || *typestr == '.') {
3672                     if (*typestr == '?') {
3673                         if (*p == '\0') {
3674                             typestr++;
3675                             break;
3676                         }
3677                     } else {
3678                         if (*p == '.') {
3679                             p++;
3680                             while (qemu_isspace(*p))
3681                                 p++;
3682                         } else {
3683                             typestr++;
3684                             break;
3685                         }
3686                     }
3687                     typestr++;
3688                 }
3689                 if (get_expr(mon, &val, &p))
3690                     goto fail;
3691                 /* Check if 'i' is greater than 32-bit */
3692                 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3693                     monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3694                     monitor_printf(mon, "integer is for 32-bit values\n");
3695                     goto fail;
3696                 } else if (c == 'M') {
3697                     val <<= 20;
3698                 }
3699                 qdict_put(qdict, key, qint_from_int(val));
3700             }
3701             break;
3702         case 'f':
3703         case 'T':
3704             {
3705                 double val;
3706
3707                 while (qemu_isspace(*p))
3708                     p++;
3709                 if (*typestr == '?') {
3710                     typestr++;
3711                     if (*p == '\0') {
3712                         break;
3713                     }
3714                 }
3715                 if (get_double(mon, &val, &p) < 0) {
3716                     goto fail;
3717                 }
3718                 if (c == 'f' && *p) {
3719                     switch (*p) {
3720                     case 'K': case 'k':
3721                         val *= 1 << 10; p++; break;
3722                     case 'M': case 'm':
3723                         val *= 1 << 20; p++; break;
3724                     case 'G': case 'g':
3725                         val *= 1 << 30; p++; break;
3726                     }
3727                 }
3728                 if (c == 'T' && p[0] && p[1] == 's') {
3729                     switch (*p) {
3730                     case 'm':
3731                         val /= 1e3; p += 2; break;
3732                     case 'u':
3733                         val /= 1e6; p += 2; break;
3734                     case 'n':
3735                         val /= 1e9; p += 2; break;
3736                     }
3737                 }
3738                 if (*p && !qemu_isspace(*p)) {
3739                     monitor_printf(mon, "Unknown unit suffix\n");
3740                     goto fail;
3741                 }
3742                 qdict_put(qdict, key, qfloat_from_double(val));
3743             }
3744             break;
3745         case 'b':
3746             {
3747                 const char *beg;
3748                 int val;
3749
3750                 while (qemu_isspace(*p)) {
3751                     p++;
3752                 }
3753                 beg = p;
3754                 while (qemu_isgraph(*p)) {
3755                     p++;
3756                 }
3757                 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
3758                     val = 1;
3759                 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
3760                     val = 0;
3761                 } else {
3762                     monitor_printf(mon, "Expected 'on' or 'off'\n");
3763                     goto fail;
3764                 }
3765                 qdict_put(qdict, key, qbool_from_int(val));
3766             }
3767             break;
3768         case '-':
3769             {
3770                 const char *tmp = p;
3771                 int skip_key = 0;
3772                 /* option */
3773
3774                 c = *typestr++;
3775                 if (c == '\0')
3776                     goto bad_type;
3777                 while (qemu_isspace(*p))
3778                     p++;
3779                 if (*p == '-') {
3780                     p++;
3781                     if(c != *p) {
3782                         if(!is_valid_option(p, typestr)) {
3783
3784                             monitor_printf(mon, "%s: unsupported option -%c\n",
3785                                            cmdname, *p);
3786                             goto fail;
3787                         } else {
3788                             skip_key = 1;
3789                         }
3790                     }
3791                     if(skip_key) {
3792                         p = tmp;
3793                     } else {
3794                         /* has option */
3795                         p++;
3796                         qdict_put(qdict, key, qbool_from_int(1));
3797                     }
3798                 }
3799             }
3800             break;
3801         default:
3802         bad_type:
3803             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3804             goto fail;
3805         }
3806         qemu_free(key);
3807         key = NULL;
3808     }
3809     /* check that all arguments were parsed */
3810     while (qemu_isspace(*p))
3811         p++;
3812     if (*p != '\0') {
3813         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3814                        cmdname);
3815         goto fail;
3816     }
3817
3818     return cmd;
3819
3820 fail:
3821     qemu_free(key);
3822     return NULL;
3823 }
3824
3825 void monitor_set_error(Monitor *mon, QError *qerror)
3826 {
3827     /* report only the first error */
3828     if (!mon->error) {
3829         mon->error = qerror;
3830     } else {
3831         MON_DEBUG("Additional error report at %s:%d\n",
3832                   qerror->file, qerror->linenr);
3833         QDECREF(qerror);
3834     }
3835 }
3836
3837 static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
3838 {
3839     if (monitor_ctrl_mode(mon)) {
3840         if (ret && !monitor_has_error(mon)) {
3841             /*
3842              * If it returns failure, it must have passed on error.
3843              *
3844              * Action: Report an internal error to the client if in QMP.
3845              */
3846             qerror_report(QERR_UNDEFINED_ERROR);
3847             MON_DEBUG("command '%s' returned failure but did not pass an error\n",
3848                       cmd->name);
3849         }
3850
3851 #ifdef CONFIG_DEBUG_MONITOR
3852         if (!ret && monitor_has_error(mon)) {
3853             /*
3854              * If it returns success, it must not have passed an error.
3855              *
3856              * Action: Report the passed error to the client.
3857              */
3858             MON_DEBUG("command '%s' returned success but passed an error\n",
3859                       cmd->name);
3860         }
3861
3862         if (mon_print_count_get(mon) > 0 && strcmp(cmd->name, "info") != 0) {
3863             /*
3864              * Handlers should not call Monitor print functions.
3865              *
3866              * Action: Ignore them in QMP.
3867              *
3868              * (XXX: we don't check any 'info' or 'query' command here
3869              * because the user print function _is_ called by do_info(), hence
3870              * we will trigger this check. This problem will go away when we
3871              * make 'query' commands real and kill do_info())
3872              */
3873             MON_DEBUG("command '%s' called print functions %d time(s)\n",
3874                       cmd->name, mon_print_count_get(mon));
3875         }
3876 #endif
3877     } else {
3878         assert(!monitor_has_error(mon));
3879         QDECREF(mon->error);
3880         mon->error = NULL;
3881     }
3882 }
3883
3884 static void handle_user_command(Monitor *mon, const char *cmdline)
3885 {
3886     QDict *qdict;
3887     const mon_cmd_t *cmd;
3888
3889     qdict = qdict_new();
3890
3891     cmd = monitor_parse_command(mon, cmdline, qdict);
3892     if (!cmd)
3893         goto out;
3894
3895     if (handler_is_async(cmd)) {
3896         user_async_cmd_handler(mon, cmd, qdict);
3897     } else if (handler_is_qobject(cmd)) {
3898         QObject *data = NULL;
3899
3900         /* XXX: ignores the error code */
3901         cmd->mhandler.cmd_new(mon, qdict, &data);
3902         assert(!monitor_has_error(mon));
3903         if (data) {
3904             cmd->user_print(mon, data);
3905             qobject_decref(data);
3906         }
3907     } else {
3908         cmd->mhandler.cmd(mon, qdict);
3909     }
3910
3911 out:
3912     QDECREF(qdict);
3913 }
3914
3915 static void cmd_completion(const char *name, const char *list)
3916 {
3917     const char *p, *pstart;
3918     char cmd[128];
3919     int len;
3920
3921     p = list;
3922     for(;;) {
3923         pstart = p;
3924         p = strchr(p, '|');
3925         if (!p)
3926             p = pstart + strlen(pstart);
3927         len = p - pstart;
3928         if (len > sizeof(cmd) - 2)
3929             len = sizeof(cmd) - 2;
3930         memcpy(cmd, pstart, len);
3931         cmd[len] = '\0';
3932         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3933             readline_add_completion(cur_mon->rs, cmd);
3934         }
3935         if (*p == '\0')
3936             break;
3937         p++;
3938     }
3939 }
3940
3941 static void file_completion(const char *input)
3942 {
3943     DIR *ffs;
3944     struct dirent *d;
3945     char path[1024];
3946     char file[1024], file_prefix[1024];
3947     int input_path_len;
3948     const char *p;
3949
3950     p = strrchr(input, '/');
3951     if (!p) {
3952         input_path_len = 0;
3953         pstrcpy(file_prefix, sizeof(file_prefix), input);
3954         pstrcpy(path, sizeof(path), ".");
3955     } else {
3956         input_path_len = p - input + 1;
3957         memcpy(path, input, input_path_len);
3958         if (input_path_len > sizeof(path) - 1)
3959             input_path_len = sizeof(path) - 1;
3960         path[input_path_len] = '\0';
3961         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3962     }
3963 #ifdef DEBUG_COMPLETION
3964     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3965                    input, path, file_prefix);
3966 #endif
3967     ffs = opendir(path);
3968     if (!ffs)
3969         return;
3970     for(;;) {
3971         struct stat sb;
3972         d = readdir(ffs);
3973         if (!d)
3974             break;
3975         if (strstart(d->d_name, file_prefix, NULL)) {
3976             memcpy(file, input, input_path_len);
3977             if (input_path_len < sizeof(file))
3978                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3979                         d->d_name);
3980             /* stat the file to find out if it's a directory.
3981              * In that case add a slash to speed up typing long paths
3982              */
3983             stat(file, &sb);
3984             if(S_ISDIR(sb.st_mode))
3985                 pstrcat(file, sizeof(file), "/");
3986             readline_add_completion(cur_mon->rs, file);
3987         }
3988     }
3989     closedir(ffs);
3990 }
3991
3992 static void block_completion_it(void *opaque, BlockDriverState *bs)
3993 {
3994     const char *name = bdrv_get_device_name(bs);
3995     const char *input = opaque;
3996
3997     if (input[0] == '\0' ||
3998         !strncmp(name, (char *)input, strlen(input))) {
3999         readline_add_completion(cur_mon->rs, name);
4000     }
4001 }
4002
4003 /* NOTE: this parser is an approximate form of the real command parser */
4004 static void parse_cmdline(const char *cmdline,
4005                          int *pnb_args, char **args)
4006 {
4007     const char *p;
4008     int nb_args, ret;
4009     char buf[1024];
4010
4011     p = cmdline;
4012     nb_args = 0;
4013     for(;;) {
4014         while (qemu_isspace(*p))
4015             p++;
4016         if (*p == '\0')
4017             break;
4018         if (nb_args >= MAX_ARGS)
4019             break;
4020         ret = get_str(buf, sizeof(buf), &p);
4021         args[nb_args] = qemu_strdup(buf);
4022         nb_args++;
4023         if (ret < 0)
4024             break;
4025     }
4026     *pnb_args = nb_args;
4027 }
4028
4029 static const char *next_arg_type(const char *typestr)
4030 {
4031     const char *p = strchr(typestr, ':');
4032     return (p != NULL ? ++p : typestr);
4033 }
4034
4035 static void monitor_find_completion(const char *cmdline)
4036 {
4037     const char *cmdname;
4038     char *args[MAX_ARGS];
4039     int nb_args, i, len;
4040     const char *ptype, *str;
4041     const mon_cmd_t *cmd;
4042     const KeyDef *key;
4043
4044     parse_cmdline(cmdline, &nb_args, args);
4045 #ifdef DEBUG_COMPLETION
4046     for(i = 0; i < nb_args; i++) {
4047         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
4048     }
4049 #endif
4050
4051     /* if the line ends with a space, it means we want to complete the
4052        next arg */
4053     len = strlen(cmdline);
4054     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
4055         if (nb_args >= MAX_ARGS) {
4056             goto cleanup;
4057         }
4058         args[nb_args++] = qemu_strdup("");
4059     }
4060     if (nb_args <= 1) {
4061         /* command completion */
4062         if (nb_args == 0)
4063             cmdname = "";
4064         else
4065             cmdname = args[0];
4066         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
4067         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
4068             cmd_completion(cmdname, cmd->name);
4069         }
4070     } else {
4071         /* find the command */
4072         for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
4073             if (compare_cmd(args[0], cmd->name)) {
4074                 break;
4075             }
4076         }
4077         if (!cmd->name) {
4078             goto cleanup;
4079         }
4080
4081         ptype = next_arg_type(cmd->args_type);
4082         for(i = 0; i < nb_args - 2; i++) {
4083             if (*ptype != '\0') {
4084                 ptype = next_arg_type(ptype);
4085                 while (*ptype == '?')
4086                     ptype = next_arg_type(ptype);
4087             }
4088         }
4089         str = args[nb_args - 1];
4090         if (*ptype == '-' && ptype[1] != '\0') {
4091             ptype = next_arg_type(ptype);
4092         }
4093         switch(*ptype) {
4094         case 'F':
4095             /* file completion */
4096             readline_set_completion_index(cur_mon->rs, strlen(str));
4097             file_completion(str);
4098             break;
4099         case 'B':
4100             /* block device name completion */
4101             readline_set_completion_index(cur_mon->rs, strlen(str));
4102             bdrv_iterate(block_completion_it, (void *)str);
4103             break;
4104         case 's':
4105             /* XXX: more generic ? */
4106             if (!strcmp(cmd->name, "info")) {
4107                 readline_set_completion_index(cur_mon->rs, strlen(str));
4108                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
4109                     cmd_completion(str, cmd->name);
4110                 }
4111             } else if (!strcmp(cmd->name, "sendkey")) {
4112                 char *sep = strrchr(str, '-');
4113                 if (sep)
4114                     str = sep + 1;
4115                 readline_set_completion_index(cur_mon->rs, strlen(str));
4116                 for(key = key_defs; key->name != NULL; key++) {
4117                     cmd_completion(str, key->name);
4118                 }
4119             } else if (!strcmp(cmd->name, "help|?")) {
4120                 readline_set_completion_index(cur_mon->rs, strlen(str));
4121                 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
4122                     cmd_completion(str, cmd->name);
4123                 }
4124             }
4125             break;
4126         default:
4127             break;
4128         }
4129     }
4130
4131 cleanup:
4132     for (i = 0; i < nb_args; i++) {
4133         qemu_free(args[i]);
4134     }
4135 }
4136
4137 static int monitor_can_read(void *opaque)
4138 {
4139     Monitor *mon = opaque;
4140
4141     return (mon->suspend_cnt == 0) ? 1 : 0;
4142 }
4143
4144 static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
4145 {
4146     int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
4147     return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
4148 }
4149
4150 /*
4151  * Argument validation rules:
4152  *
4153  * 1. The argument must exist in cmd_args qdict
4154  * 2. The argument type must be the expected one
4155  *
4156  * Special case: If the argument doesn't exist in cmd_args and
4157  *               the QMP_ACCEPT_UNKNOWNS flag is set, then the
4158  *               checking is skipped for it.
4159  */
4160 static int check_client_args_type(const QDict *client_args,
4161                                   const QDict *cmd_args, int flags)
4162 {
4163     const QDictEntry *ent;
4164
4165     for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
4166         QObject *obj;
4167         QString *arg_type;
4168         const QObject *client_arg = qdict_entry_value(ent);
4169         const char *client_arg_name = qdict_entry_key(ent);
4170
4171         obj = qdict_get(cmd_args, client_arg_name);
4172         if (!obj) {
4173             if (flags & QMP_ACCEPT_UNKNOWNS) {
4174                 /* handler accepts unknowns */
4175                 continue;
4176             }
4177             /* client arg doesn't exist */
4178             qerror_report(QERR_INVALID_PARAMETER, client_arg_name);
4179             return -1;
4180         }
4181
4182         arg_type = qobject_to_qstring(obj);
4183         assert(arg_type != NULL);
4184
4185         /* check if argument's type is correct */
4186         switch (qstring_get_str(arg_type)[0]) {
4187         case 'F':
4188         case 'B':
4189         case 's':
4190             if (qobject_type(client_arg) != QTYPE_QSTRING) {
4191                 qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
4192                               "string");
4193                 return -1;
4194             }
4195         break;
4196         case 'i':
4197         case 'l':
4198         case 'M':
4199             if (qobject_type(client_arg) != QTYPE_QINT) {
4200                 qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
4201                               "int");
4202                 return -1;
4203             }
4204             break;
4205         case 'f':
4206         case 'T':
4207             if (qobject_type(client_arg) != QTYPE_QINT &&
4208                 qobject_type(client_arg) != QTYPE_QFLOAT) {
4209                 qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
4210                               "number");
4211                return -1;
4212             }
4213             break;
4214         case 'b':
4215         case '-':
4216             if (qobject_type(client_arg) != QTYPE_QBOOL) {
4217                 qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
4218                               "bool");
4219                return -1;
4220             }
4221             break;
4222         case 'O':
4223             assert(flags & QMP_ACCEPT_UNKNOWNS);
4224             break;
4225         case '/':
4226         case '.':
4227             /*
4228              * These types are not supported by QMP and thus are not
4229              * handled here. Fall through.
4230              */
4231         default:
4232             abort();
4233         }
4234     }
4235
4236     return 0;
4237 }
4238
4239 /*
4240  * - Check if the client has passed all mandatory args
4241  * - Set special flags for argument validation
4242  */
4243 static int check_mandatory_args(const QDict *cmd_args,
4244                                 const QDict *client_args, int *flags)
4245 {
4246     const QDictEntry *ent;
4247
4248     for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
4249         const char *cmd_arg_name = qdict_entry_key(ent);
4250         QString *type = qobject_to_qstring(qdict_entry_value(ent));
4251         assert(type != NULL);
4252
4253         if (qstring_get_str(type)[0] == 'O') {
4254             assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
4255             *flags |= QMP_ACCEPT_UNKNOWNS;
4256         } else if (qstring_get_str(type)[0] != '-' &&
4257                    qstring_get_str(type)[1] != '?' &&
4258                    !qdict_haskey(client_args, cmd_arg_name)) {
4259             qerror_report(QERR_MISSING_PARAMETER, cmd_arg_name);
4260             return -1;
4261         }
4262     }
4263
4264     return 0;
4265 }
4266
4267 static QDict *qdict_from_args_type(const char *args_type)
4268 {
4269     int i;
4270     QDict *qdict;
4271     QString *key, *type, *cur_qs;
4272
4273     assert(args_type != NULL);
4274
4275     qdict = qdict_new();
4276
4277     if (args_type == NULL || args_type[0] == '\0') {
4278         /* no args, empty qdict */
4279         goto out;
4280     }
4281
4282     key = qstring_new();
4283     type = qstring_new();
4284
4285     cur_qs = key;
4286
4287     for (i = 0;; i++) {
4288         switch (args_type[i]) {
4289             case ',':
4290             case '\0':
4291                 qdict_put(qdict, qstring_get_str(key), type);
4292                 QDECREF(key);
4293                 if (args_type[i] == '\0') {
4294                     goto out;
4295                 }
4296                 type = qstring_new(); /* qdict has ref */
4297                 cur_qs = key = qstring_new();
4298                 break;
4299             case ':':
4300                 cur_qs = type;
4301                 break;
4302             default:
4303                 qstring_append_chr(cur_qs, args_type[i]);
4304                 break;
4305         }
4306     }
4307
4308 out:
4309     return qdict;
4310 }
4311
4312 /*
4313  * Client argument checking rules:
4314  *
4315  * 1. Client must provide all mandatory arguments
4316  * 2. Each argument provided by the client must be expected
4317  * 3. Each argument provided by the client must have the type expected
4318  *    by the command
4319  */
4320 static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4321 {
4322     int flags, err;
4323     QDict *cmd_args;
4324
4325     cmd_args = qdict_from_args_type(cmd->args_type);
4326
4327     flags = 0;
4328     err = check_mandatory_args(cmd_args, client_args, &flags);
4329     if (err) {
4330         goto out;
4331     }
4332
4333     err = check_client_args_type(client_args, cmd_args, flags);
4334
4335 out:
4336     QDECREF(cmd_args);
4337     return err;
4338 }
4339
4340 /*
4341  * Input object checking rules
4342  *
4343  * 1. Input object must be a dict
4344  * 2. The "execute" key must exist
4345  * 3. The "execute" key must be a string
4346  * 4. If the "arguments" key exists, it must be a dict
4347  * 5. If the "id" key exists, it can be anything (ie. json-value)
4348  * 6. Any argument not listed above is considered invalid
4349  */
4350 static QDict *qmp_check_input_obj(QObject *input_obj)
4351 {
4352     const QDictEntry *ent;
4353     int has_exec_key = 0;
4354     QDict *input_dict;
4355
4356     if (qobject_type(input_obj) != QTYPE_QDICT) {
4357         qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
4358         return NULL;
4359     }
4360
4361     input_dict = qobject_to_qdict(input_obj);
4362
4363     for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
4364         const char *arg_name = qdict_entry_key(ent);
4365         const QObject *arg_obj = qdict_entry_value(ent);
4366
4367         if (!strcmp(arg_name, "execute")) {
4368             if (qobject_type(arg_obj) != QTYPE_QSTRING) {
4369                 qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
4370                               "string");
4371                 return NULL;
4372             }
4373             has_exec_key = 1;
4374         } else if (!strcmp(arg_name, "arguments")) {
4375             if (qobject_type(arg_obj) != QTYPE_QDICT) {
4376                 qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "arguments",
4377                               "object");
4378                 return NULL;
4379             }
4380         } else if (!strcmp(arg_name, "id")) {
4381             /* FIXME: check duplicated IDs for async commands */
4382         } else {
4383             qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
4384             return NULL;
4385         }
4386     }
4387
4388     if (!has_exec_key) {
4389         qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4390         return NULL;
4391     }
4392
4393     return input_dict;
4394 }
4395
4396 static void qmp_call_query_cmd(Monitor *mon, const mon_cmd_t *cmd)
4397 {
4398     QObject *ret_data = NULL;
4399
4400     if (handler_is_async(cmd)) {
4401         qmp_async_info_handler(mon, cmd);
4402         if (monitor_has_error(mon)) {
4403             monitor_protocol_emitter(mon, NULL);
4404         }
4405     } else {
4406         cmd->mhandler.info_new(mon, &ret_data);
4407         if (ret_data) {
4408             monitor_protocol_emitter(mon, ret_data);
4409             qobject_decref(ret_data);
4410         }
4411     }
4412 }
4413
4414 static void qmp_call_cmd(Monitor *mon, const mon_cmd_t *cmd,
4415                          const QDict *params)
4416 {
4417     int ret;
4418     QObject *data = NULL;
4419
4420     mon_print_count_init(mon);
4421
4422     ret = cmd->mhandler.cmd_new(mon, params, &data);
4423     handler_audit(mon, cmd, ret);
4424     monitor_protocol_emitter(mon, data);
4425     qobject_decref(data);
4426 }
4427
4428 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4429 {
4430     int err;
4431     QObject *obj;
4432     QDict *input, *args;
4433     const mon_cmd_t *cmd;
4434     Monitor *mon = cur_mon;
4435     const char *cmd_name, *query_cmd;
4436
4437     query_cmd = NULL;
4438     args = input = NULL;
4439
4440     obj = json_parser_parse(tokens, NULL);
4441     if (!obj) {
4442         // FIXME: should be triggered in json_parser_parse()
4443         qerror_report(QERR_JSON_PARSING);
4444         goto err_out;
4445     }
4446
4447     input = qmp_check_input_obj(obj);
4448     if (!input) {
4449         qobject_decref(obj);
4450         goto err_out;
4451     }
4452
4453     mon->mc->id = qdict_get(input, "id");
4454     qobject_incref(mon->mc->id);
4455
4456     cmd_name = qdict_get_str(input, "execute");
4457     if (invalid_qmp_mode(mon, cmd_name)) {
4458         qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4459         goto err_out;
4460     }
4461
4462     if (strstart(cmd_name, "query-", &query_cmd)) {
4463         cmd = qmp_find_query_cmd(query_cmd);
4464     } else {
4465         cmd = qmp_find_cmd(cmd_name);
4466     }
4467
4468     if (!cmd) {
4469         qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4470         goto err_out;
4471     }
4472
4473     obj = qdict_get(input, "arguments");
4474     if (!obj) {
4475         args = qdict_new();
4476     } else {
4477         args = qobject_to_qdict(obj);
4478         QINCREF(args);
4479     }
4480
4481     err = qmp_check_client_args(cmd, args);
4482     if (err < 0) {
4483         goto err_out;
4484     }
4485
4486     if (query_cmd) {
4487         qmp_call_query_cmd(mon, cmd);
4488     } else if (handler_is_async(cmd)) {
4489         err = qmp_async_cmd_handler(mon, cmd, args);
4490         if (err) {
4491             /* emit the error response */
4492             goto err_out;
4493         }
4494     } else {
4495         qmp_call_cmd(mon, cmd, args);
4496     }
4497
4498     goto out;
4499
4500 err_out:
4501     monitor_protocol_emitter(mon, NULL);
4502 out:
4503     QDECREF(input);
4504     QDECREF(args);
4505 }
4506
4507 /**
4508  * monitor_control_read(): Read and handle QMP input
4509  */
4510 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4511 {
4512     Monitor *old_mon = cur_mon;
4513
4514     cur_mon = opaque;
4515
4516     json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4517
4518     cur_mon = old_mon;
4519 }
4520
4521 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4522 {
4523     Monitor *old_mon = cur_mon;
4524     int i;
4525
4526     cur_mon = opaque;
4527
4528     if (cur_mon->rs) {
4529         for (i = 0; i < size; i++)
4530             readline_handle_byte(cur_mon->rs, buf[i]);
4531     } else {
4532         if (size == 0 || buf[size - 1] != 0)
4533             monitor_printf(cur_mon, "corrupted command\n");
4534         else
4535             handle_user_command(cur_mon, (char *)buf);
4536     }
4537
4538     cur_mon = old_mon;
4539 }
4540
4541 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4542 {
4543     monitor_suspend(mon);
4544     handle_user_command(mon, cmdline);
4545     monitor_resume(mon);
4546 }
4547
4548 int monitor_suspend(Monitor *mon)
4549 {
4550     if (!mon->rs)
4551         return -ENOTTY;
4552     mon->suspend_cnt++;
4553     return 0;
4554 }
4555
4556 void monitor_resume(Monitor *mon)
4557 {
4558     if (!mon->rs)
4559         return;
4560     if (--mon->suspend_cnt == 0)
4561         readline_show_prompt(mon->rs);
4562 }
4563
4564 static QObject *get_qmp_greeting(void)
4565 {
4566     QObject *ver;
4567
4568     do_info_version(NULL, &ver);
4569     return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
4570 }
4571
4572 /**
4573  * monitor_control_event(): Print QMP gretting
4574  */
4575 static void monitor_control_event(void *opaque, int event)
4576 {
4577     QObject *data;
4578     Monitor *mon = opaque;
4579
4580     switch (event) {
4581     case CHR_EVENT_OPENED:
4582         mon->mc->command_mode = 0;
4583         json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4584         data = get_qmp_greeting();
4585         monitor_json_emitter(mon, data);
4586         qobject_decref(data);
4587         break;
4588     case CHR_EVENT_CLOSED:
4589         json_message_parser_destroy(&mon->mc->parser);
4590         break;
4591     }
4592 }
4593
4594 static void monitor_event(void *opaque, int event)
4595 {
4596     Monitor *mon = opaque;
4597
4598     switch (event) {
4599     case CHR_EVENT_MUX_IN:
4600         mon->mux_out = 0;
4601         if (mon->reset_seen) {
4602             readline_restart(mon->rs);
4603             monitor_resume(mon);
4604             monitor_flush(mon);
4605         } else {
4606             mon->suspend_cnt = 0;
4607         }
4608         break;
4609
4610     case CHR_EVENT_MUX_OUT:
4611         if (mon->reset_seen) {
4612             if (mon->suspend_cnt == 0) {
4613                 monitor_printf(mon, "\n");
4614             }
4615             monitor_flush(mon);
4616             monitor_suspend(mon);
4617         } else {
4618             mon->suspend_cnt++;
4619         }
4620         mon->mux_out = 1;
4621         break;
4622
4623     case CHR_EVENT_OPENED:
4624         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4625                        "information\n", QEMU_VERSION);
4626         if (!mon->mux_out) {
4627             readline_show_prompt(mon->rs);
4628         }
4629         mon->reset_seen = 1;
4630         break;
4631     }
4632 }
4633
4634
4635 /*
4636  * Local variables:
4637  *  c-indent-level: 4
4638  *  c-basic-offset: 4
4639  *  tab-width: 8
4640  * End:
4641  */
4642
4643 void monitor_init(CharDriverState *chr, int flags)
4644 {
4645     static int is_first_init = 1;
4646     Monitor *mon;
4647
4648     if (is_first_init) {
4649         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4650         is_first_init = 0;
4651     }
4652
4653     mon = qemu_mallocz(sizeof(*mon));
4654
4655     mon->chr = chr;
4656     mon->flags = flags;
4657     if (flags & MONITOR_USE_READLINE) {
4658         mon->rs = readline_init(mon, monitor_find_completion);
4659         monitor_read_command(mon, 0);
4660     }
4661
4662     if (monitor_ctrl_mode(mon)) {
4663         mon->mc = qemu_mallocz(sizeof(MonitorControl));
4664         /* Control mode requires special handlers */
4665         qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4666                               monitor_control_event, mon);
4667     } else {
4668         qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4669                               monitor_event, mon);
4670     }
4671
4672     QLIST_INSERT_HEAD(&mon_list, mon, entry);
4673     if (!default_mon || (flags & MONITOR_IS_DEFAULT))
4674         default_mon = mon;
4675 }
4676
4677 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4678 {
4679     BlockDriverState *bs = opaque;
4680     int ret = 0;
4681
4682     if (bdrv_set_key(bs, password) != 0) {
4683         monitor_printf(mon, "invalid password\n");
4684         ret = -EPERM;
4685     }
4686     if (mon->password_completion_cb)
4687         mon->password_completion_cb(mon->password_opaque, ret);
4688
4689     monitor_read_command(mon, 1);
4690 }
4691
4692 int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4693                                 BlockDriverCompletionFunc *completion_cb,
4694                                 void *opaque)
4695 {
4696     int err;
4697
4698     if (!bdrv_key_required(bs)) {
4699         if (completion_cb)
4700             completion_cb(opaque, 0);
4701         return 0;
4702     }
4703
4704     if (monitor_ctrl_mode(mon)) {
4705         qerror_report(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4706         return -1;
4707     }
4708
4709     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4710                    bdrv_get_encrypted_filename(bs));
4711
4712     mon->password_completion_cb = completion_cb;
4713     mon->password_opaque = opaque;
4714
4715     err = monitor_read_password(mon, bdrv_password_cb, bs);
4716
4717     if (err && completion_cb)
4718         completion_cb(opaque, err);
4719
4720     return err;
4721 }