vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 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 <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31
  32 /* Needed early for CONFIG_BSD etc. */
  33 #include "config-host.h"
  34
  35 #ifndef _WIN32
  36 #include <libgen.h>
  37 #include <sys/times.h>
  38 #include <sys/wait.h>
  39 #include <termios.h>
  40 #include <sys/mman.h>
  41 #include <sys/ioctl.h>
  42 #include <sys/resource.h>
  43 #include <sys/socket.h>
  44 #include <netinet/in.h>
  45 #include <net/if.h>
  46 #include <arpa/inet.h>
  47 #include <dirent.h>
  48 #include <netdb.h>
  49 #include <sys/select.h>
  50
  51 #ifdef CONFIG_BSD
  52 #include <sys/stat.h>
  53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  54 #include <libutil.h>
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <pty.h>
  62 #include <malloc.h>
  63
  64 #include <linux/ppdev.h>
  65 #include <linux/parport.h>
  66 #endif
  67 #ifdef __sun__
  68 #include <sys/stat.h>
  69 #include <sys/ethernet.h>
  70 #include <sys/sockio.h>
  71 #include <netinet/arp.h>
  72 #include <netinet/in_systm.h>
  73 #include <netinet/ip.h>
  74 #include <netinet/ip_icmp.h> // must come after ip.h
  75 #include <netinet/udp.h>
  76 #include <netinet/tcp.h>
  77 #include <net/if.h>
  78 #include <syslog.h>
  79 #include <stropts.h>
  80 #endif
  81 #endif
  82 #endif
  83
  84 #if defined(__OpenBSD__)
  85 #include <util.h>
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "block.h"
 140 #include "blockdev.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168
 169 #include "ui/qemu-spice.h"
 170
 171 //#define DEBUG_NET
 172 //#define DEBUG_SLIRP
 173
 174 #define DEFAULT_RAM_SIZE 128
 175
 176 #define MAX_VIRTIO_CONSOLES 1
 177
 178 static const char *data_dir;
 179 const char *bios_name = NULL;
 180 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 181 DisplayType display_type = DT_DEFAULT;
 182 int display_remote = 0;
 183 const char* keyboard_layout = NULL;
 184 ram_addr_t ram_size;
 185 const char *mem_path = NULL;
 186 #ifdef MAP_POPULATE
 187 int mem_prealloc = 0; /* force preallocation of physical target memory */
 188 #endif
 189 int nb_nics;
 190 NICInfo nd_table[MAX_NICS];
 191 int autostart;
 192 static int rtc_utc = 1;
 193 static int rtc_date_offset = -1; /* -1 means no change */
 194 QEMUClock *rtc_clock;
 195 int vga_interface_type = VGA_NONE;
 196 static int full_screen = 0;
 197 #ifdef CONFIG_SDL
 198 static int no_frame = 0;
 199 #endif
 200 int no_quit = 0;
 201 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 202 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 203 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 204 int win2k_install_hack = 0;
 205 int usb_enabled = 0;
 206 int singlestep = 0;
 207 int smp_cpus = 1;
 208 int max_cpus = 0;
 209 int smp_cores = 1;
 210 int smp_threads = 1;
 211 #ifdef CONFIG_VNC
 212 const char *vnc_display;
 213 #endif
 214 int acpi_enabled = 1;
 215 int no_hpet = 0;
 216 int fd_bootchk = 1;
 217 int no_reboot = 0;
 218 int no_shutdown = 0;
 219 int cursor_hide = 1;
 220 int graphic_rotate = 0;
 221 const char *watchdog;
 222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 223 int nb_option_roms;
 224 int semihosting_enabled = 0;
 225 int old_param = 0;
 226 const char *qemu_name;
 227 int alt_grab = 0;
 228 int ctrl_grab = 0;
 229 unsigned int nb_prom_envs = 0;
 230 const char *prom_envs[MAX_PROM_ENVS];
 231 int boot_menu;
 232 uint8_t *boot_splash_filedata;
 233 int boot_splash_filedata_size;
 234 uint8_t qemu_extra_params_fw[2];
 235
 236 typedef struct FWBootEntry FWBootEntry;
 237
 238 struct FWBootEntry {
 239     QTAILQ_ENTRY(FWBootEntry) link;
 240     int32_t bootindex;
 241     DeviceState *dev;
 242     char *suffix;
 243 };
 244
 245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 246
 247 int nb_numa_nodes;
 248 uint64_t node_mem[MAX_NODES];
 249 uint64_t node_cpumask[MAX_NODES];
 250
 251 uint8_t qemu_uuid[16];
 252
 253 static QEMUBootSetHandler *boot_set_handler;
 254 static void *boot_set_opaque;
 255
 256 static NotifierList exit_notifiers =
 257     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 258
 259 static NotifierList machine_init_done_notifiers =
 260     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 261
 262 static int tcg_allowed = 1;
 263 int kvm_allowed = 0;
 264 int xen_allowed = 0;
 265 uint32_t xen_domid;
 266 enum xen_mode xen_mode = XEN_EMULATE;
 267 static int tcg_tb_size;
 268
 269 static int default_serial = 1;
 270 static int default_parallel = 1;
 271 static int default_virtcon = 1;
 272 static int default_monitor = 1;
 273 static int default_floppy = 1;
 274 static int default_cdrom = 1;
 275 static int default_sdcard = 1;
 276
 277 static struct {
 278     const char *driver;
 279     int *flag;
 280 } default_list[] = {
 281     { .driver = "isa-serial",           .flag = &default_serial    },
 282     { .driver = "isa-parallel",         .flag = &default_parallel  },
 283     { .driver = "isa-fdc",              .flag = &default_floppy    },
 284     { .driver = "ide-cd",               .flag = &default_cdrom     },
 285     { .driver = "ide-hd",               .flag = &default_cdrom     },
 286     { .driver = "ide-drive",            .flag = &default_cdrom     },
 287     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 288     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 289     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 290     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 291 };
 292
 293 static void res_free(void)
 294 {
 295     if (boot_splash_filedata != NULL) {
 296         g_free(boot_splash_filedata);
 297         boot_splash_filedata = NULL;
 298     }
 299 }
 300
 301 static int default_driver_check(QemuOpts *opts, void *opaque)
 302 {
 303     const char *driver = qemu_opt_get(opts, "driver");
 304     int i;
 305
 306     if (!driver)
 307         return 0;
 308     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 309         if (strcmp(default_list[i].driver, driver) != 0)
 310             continue;
 311         *(default_list[i].flag) = 0;
 312     }
 313     return 0;
 314 }
 315
 316 /***********************************************************/
 317 /* QEMU state */
 318
 319 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 320
 321 typedef struct {
 322     RunState from;
 323     RunState to;
 324 } RunStateTransition;
 325
 326 static const RunStateTransition runstate_transitions_def[] = {
 327     /*     from      ->     to      */
 328     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 329
 330     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 331     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 332
 333     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 334     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 335
 336     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 337     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 338
 339     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 340     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 341
 342     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 343     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 344
 345     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 346     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 347     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 348
 349     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 350     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 351
 352     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 353
 354     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 355     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 356     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 357     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 358     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 359     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 360     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 361     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 362     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 363
 364     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 365
 366     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 367     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 368
 369     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 370     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 371
 372     { RUN_STATE_MAX, RUN_STATE_MAX },
 373 };
 374
 375 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 376
 377 bool runstate_check(RunState state)
 378 {
 379     return current_run_state == state;
 380 }
 381
 382 void runstate_init(void)
 383 {
 384     const RunStateTransition *p;
 385
 386     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 387
 388     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 389         runstate_valid_transitions[p->from][p->to] = true;
 390     }
 391 }
 392
 393 /* This function will abort() on invalid state transitions */
 394 void runstate_set(RunState new_state)
 395 {
 396     assert(new_state < RUN_STATE_MAX);
 397
 398     if (!runstate_valid_transitions[current_run_state][new_state]) {
 399         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 400                 RunState_lookup[current_run_state],
 401                 RunState_lookup[new_state]);
 402         abort();
 403     }
 404
 405     current_run_state = new_state;
 406 }
 407
 408 int runstate_is_running(void)
 409 {
 410     return runstate_check(RUN_STATE_RUNNING);
 411 }
 412
 413 StatusInfo *qmp_query_status(Error **errp)
 414 {
 415     StatusInfo *info = g_malloc0(sizeof(*info));
 416
 417     info->running = runstate_is_running();
 418     info->singlestep = singlestep;
 419     info->status = current_run_state;
 420
 421     return info;
 422 }
 423
 424 /***********************************************************/
 425 /* real time host monotonic timer */
 426
 427 /***********************************************************/
 428 /* host time/date access */
 429 void qemu_get_timedate(struct tm *tm, int offset)
 430 {
 431     time_t ti;
 432     struct tm *ret;
 433
 434     time(&ti);
 435     ti += offset;
 436     if (rtc_date_offset == -1) {
 437         if (rtc_utc)
 438             ret = gmtime(&ti);
 439         else
 440             ret = localtime(&ti);
 441     } else {
 442         ti -= rtc_date_offset;
 443         ret = gmtime(&ti);
 444     }
 445
 446     memcpy(tm, ret, sizeof(struct tm));
 447 }
 448
 449 int qemu_timedate_diff(struct tm *tm)
 450 {
 451     time_t seconds;
 452
 453     if (rtc_date_offset == -1)
 454         if (rtc_utc)
 455             seconds = mktimegm(tm);
 456         else {
 457             struct tm tmp = *tm;
 458             tmp.tm_isdst = -1; /* use timezone to figure it out */
 459             seconds = mktime(&tmp);
 460         }
 461     else
 462         seconds = mktimegm(tm) + rtc_date_offset;
 463
 464     return seconds - time(NULL);
 465 }
 466
 467 void rtc_change_mon_event(struct tm *tm)
 468 {
 469     QObject *data;
 470
 471     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 472     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 473     qobject_decref(data);
 474 }
 475
 476 static void configure_rtc_date_offset(const char *startdate, int legacy)
 477 {
 478     time_t rtc_start_date;
 479     struct tm tm;
 480
 481     if (!strcmp(startdate, "now") && legacy) {
 482         rtc_date_offset = -1;
 483     } else {
 484         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 485                    &tm.tm_year,
 486                    &tm.tm_mon,
 487                    &tm.tm_mday,
 488                    &tm.tm_hour,
 489                    &tm.tm_min,
 490                    &tm.tm_sec) == 6) {
 491             /* OK */
 492         } else if (sscanf(startdate, "%d-%d-%d",
 493                           &tm.tm_year,
 494                           &tm.tm_mon,
 495                           &tm.tm_mday) == 3) {
 496             tm.tm_hour = 0;
 497             tm.tm_min = 0;
 498             tm.tm_sec = 0;
 499         } else {
 500             goto date_fail;
 501         }
 502         tm.tm_year -= 1900;
 503         tm.tm_mon--;
 504         rtc_start_date = mktimegm(&tm);
 505         if (rtc_start_date == -1) {
 506         date_fail:
 507             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 508                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 509             exit(1);
 510         }
 511         rtc_date_offset = time(NULL) - rtc_start_date;
 512     }
 513 }
 514
 515 static void configure_rtc(QemuOpts *opts)
 516 {
 517     const char *value;
 518
 519     value = qemu_opt_get(opts, "base");
 520     if (value) {
 521         if (!strcmp(value, "utc")) {
 522             rtc_utc = 1;
 523         } else if (!strcmp(value, "localtime")) {
 524             rtc_utc = 0;
 525         } else {
 526             configure_rtc_date_offset(value, 0);
 527         }
 528     }
 529     value = qemu_opt_get(opts, "clock");
 530     if (value) {
 531         if (!strcmp(value, "host")) {
 532             rtc_clock = host_clock;
 533         } else if (!strcmp(value, "rt")) {
 534             rtc_clock = rt_clock;
 535         } else if (!strcmp(value, "vm")) {
 536             rtc_clock = vm_clock;
 537         } else {
 538             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 539             exit(1);
 540         }
 541     }
 542     value = qemu_opt_get(opts, "driftfix");
 543     if (value) {
 544         if (!strcmp(value, "slew")) {
 545             static GlobalProperty slew_lost_ticks[] = {
 546                 {
 547                     .driver   = "mc146818rtc",
 548                     .property = "lost_tick_policy",
 549                     .value    = "slew",
 550                 },
 551                 { /* end of list */ }
 552             };
 553
 554             qdev_prop_register_global_list(slew_lost_ticks);
 555         } else if (!strcmp(value, "none")) {
 556             /* discard is default */
 557         } else {
 558             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 559             exit(1);
 560         }
 561     }
 562 }
 563
 564 /***********************************************************/
 565 /* Bluetooth support */
 566 static int nb_hcis;
 567 static int cur_hci;
 568 static struct HCIInfo *hci_table[MAX_NICS];
 569
 570 static struct bt_vlan_s {
 571     struct bt_scatternet_s net;
 572     int id;
 573     struct bt_vlan_s *next;
 574 } *first_bt_vlan;
 575
 576 /* find or alloc a new bluetooth "VLAN" */
 577 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 578 {
 579     struct bt_vlan_s **pvlan, *vlan;
 580     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 581         if (vlan->id == id)
 582             return &vlan->net;
 583     }
 584     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 585     vlan->id = id;
 586     pvlan = &first_bt_vlan;
 587     while (*pvlan != NULL)
 588         pvlan = &(*pvlan)->next;
 589     *pvlan = vlan;
 590     return &vlan->net;
 591 }
 592
 593 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 594 {
 595 }
 596
 597 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 598 {
 599     return -ENOTSUP;
 600 }
 601
 602 static struct HCIInfo null_hci = {
 603     .cmd_send = null_hci_send,
 604     .sco_send = null_hci_send,
 605     .acl_send = null_hci_send,
 606     .bdaddr_set = null_hci_addr_set,
 607 };
 608
 609 struct HCIInfo *qemu_next_hci(void)
 610 {
 611     if (cur_hci == nb_hcis)
 612         return &null_hci;
 613
 614     return hci_table[cur_hci++];
 615 }
 616
 617 static struct HCIInfo *hci_init(const char *str)
 618 {
 619     char *endp;
 620     struct bt_scatternet_s *vlan = 0;
 621
 622     if (!strcmp(str, "null"))
 623         /* null */
 624         return &null_hci;
 625     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 626         /* host[:hciN] */
 627         return bt_host_hci(str[4] ? str + 5 : "hci0");
 628     else if (!strncmp(str, "hci", 3)) {
 629         /* hci[,vlan=n] */
 630         if (str[3]) {
 631             if (!strncmp(str + 3, ",vlan=", 6)) {
 632                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 633                 if (*endp)
 634                     vlan = 0;
 635             }
 636         } else
 637             vlan = qemu_find_bt_vlan(0);
 638         if (vlan)
 639            return bt_new_hci(vlan);
 640     }
 641
 642     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 643
 644     return 0;
 645 }
 646
 647 static int bt_hci_parse(const char *str)
 648 {
 649     struct HCIInfo *hci;
 650     bdaddr_t bdaddr;
 651
 652     if (nb_hcis >= MAX_NICS) {
 653         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 654         return -1;
 655     }
 656
 657     hci = hci_init(str);
 658     if (!hci)
 659         return -1;
 660
 661     bdaddr.b[0] = 0x52;
 662     bdaddr.b[1] = 0x54;
 663     bdaddr.b[2] = 0x00;
 664     bdaddr.b[3] = 0x12;
 665     bdaddr.b[4] = 0x34;
 666     bdaddr.b[5] = 0x56 + nb_hcis;
 667     hci->bdaddr_set(hci, bdaddr.b);
 668
 669     hci_table[nb_hcis++] = hci;
 670
 671     return 0;
 672 }
 673
 674 static void bt_vhci_add(int vlan_id)
 675 {
 676     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 677
 678     if (!vlan->slave)
 679         fprintf(stderr, "qemu: warning: adding a VHCI to "
 680                         "an empty scatternet %i\n", vlan_id);
 681
 682     bt_vhci_init(bt_new_hci(vlan));
 683 }
 684
 685 static struct bt_device_s *bt_device_add(const char *opt)
 686 {
 687     struct bt_scatternet_s *vlan;
 688     int vlan_id = 0;
 689     char *endp = strstr(opt, ",vlan=");
 690     int len = (endp ? endp - opt : strlen(opt)) + 1;
 691     char devname[10];
 692
 693     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 694
 695     if (endp) {
 696         vlan_id = strtol(endp + 6, &endp, 0);
 697         if (*endp) {
 698             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 699             return 0;
 700         }
 701     }
 702
 703     vlan = qemu_find_bt_vlan(vlan_id);
 704
 705     if (!vlan->slave)
 706         fprintf(stderr, "qemu: warning: adding a slave device to "
 707                         "an empty scatternet %i\n", vlan_id);
 708
 709     if (!strcmp(devname, "keyboard"))
 710         return bt_keyboard_init(vlan);
 711
 712     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 713     return 0;
 714 }
 715
 716 static int bt_parse(const char *opt)
 717 {
 718     const char *endp, *p;
 719     int vlan;
 720
 721     if (strstart(opt, "hci", &endp)) {
 722         if (!*endp || *endp == ',') {
 723             if (*endp)
 724                 if (!strstart(endp, ",vlan=", 0))
 725                     opt = endp + 1;
 726
 727             return bt_hci_parse(opt);
 728        }
 729     } else if (strstart(opt, "vhci", &endp)) {
 730         if (!*endp || *endp == ',') {
 731             if (*endp) {
 732                 if (strstart(endp, ",vlan=", &p)) {
 733                     vlan = strtol(p, (char **) &endp, 0);
 734                     if (*endp) {
 735                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 736                         return 1;
 737                     }
 738                 } else {
 739                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 740                     return 1;
 741                 }
 742             } else
 743                 vlan = 0;
 744
 745             bt_vhci_add(vlan);
 746             return 0;
 747         }
 748     } else if (strstart(opt, "device:", &endp))
 749         return !bt_device_add(endp);
 750
 751     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 752     return 1;
 753 }
 754
 755 /***********************************************************/
 756 /* QEMU Block devices */
 757
 758 #define HD_OPTS "media=disk"
 759 #define CDROM_OPTS "media=cdrom"
 760 #define FD_OPTS ""
 761 #define PFLASH_OPTS ""
 762 #define MTD_OPTS ""
 763 #define SD_OPTS ""
 764
 765 static int drive_init_func(QemuOpts *opts, void *opaque)
 766 {
 767     int *use_scsi = opaque;
 768
 769     return drive_init(opts, *use_scsi) == NULL;
 770 }
 771
 772 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 773 {
 774     if (NULL == qemu_opt_get(opts, "snapshot")) {
 775         qemu_opt_set(opts, "snapshot", "on");
 776     }
 777     return 0;
 778 }
 779
 780 static void default_drive(int enable, int snapshot, int use_scsi,
 781                           BlockInterfaceType type, int index,
 782                           const char *optstr)
 783 {
 784     QemuOpts *opts;
 785
 786     if (type == IF_DEFAULT) {
 787         type = use_scsi ? IF_SCSI : IF_IDE;
 788     }
 789
 790     if (!enable || drive_get_by_index(type, index)) {
 791         return;
 792     }
 793
 794     opts = drive_add(type, index, NULL, optstr);
 795     if (snapshot) {
 796         drive_enable_snapshot(opts, NULL);
 797     }
 798     if (!drive_init(opts, use_scsi)) {
 799         exit(1);
 800     }
 801 }
 802
 803 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 804 {
 805     boot_set_handler = func;
 806     boot_set_opaque = opaque;
 807 }
 808
 809 int qemu_boot_set(const char *boot_devices)
 810 {
 811     if (!boot_set_handler) {
 812         return -EINVAL;
 813     }
 814     return boot_set_handler(boot_set_opaque, boot_devices);
 815 }
 816
 817 static void validate_bootdevices(char *devices)
 818 {
 819     /* We just do some generic consistency checks */
 820     const char *p;
 821     int bitmap = 0;
 822
 823     for (p = devices; *p != '\0'; p++) {
 824         /* Allowed boot devices are:
 825          * a-b: floppy disk drives
 826          * c-f: IDE disk drives
 827          * g-m: machine implementation dependent drives
 828          * n-p: network devices
 829          * It's up to each machine implementation to check if the given boot
 830          * devices match the actual hardware implementation and firmware
 831          * features.
 832          */
 833         if (*p < 'a' || *p > 'p') {
 834             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 835             exit(1);
 836         }
 837         if (bitmap & (1 << (*p - 'a'))) {
 838             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 839             exit(1);
 840         }
 841         bitmap |= 1 << (*p - 'a');
 842     }
 843 }
 844
 845 static void restore_boot_devices(void *opaque)
 846 {
 847     char *standard_boot_devices = opaque;
 848     static int first = 1;
 849
 850     /* Restore boot order and remove ourselves after the first boot */
 851     if (first) {
 852         first = 0;
 853         return;
 854     }
 855
 856     qemu_boot_set(standard_boot_devices);
 857
 858     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 859     g_free(standard_boot_devices);
 860 }
 861
 862 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 863                           const char *suffix)
 864 {
 865     FWBootEntry *node, *i;
 866
 867     if (bootindex < 0) {
 868         return;
 869     }
 870
 871     assert(dev != NULL || suffix != NULL);
 872
 873     node = g_malloc0(sizeof(FWBootEntry));
 874     node->bootindex = bootindex;
 875     node->suffix = suffix ? g_strdup(suffix) : NULL;
 876     node->dev = dev;
 877
 878     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 879         if (i->bootindex == bootindex) {
 880             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 881             exit(1);
 882         } else if (i->bootindex < bootindex) {
 883             continue;
 884         }
 885         QTAILQ_INSERT_BEFORE(i, node, link);
 886         return;
 887     }
 888     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 889 }
 890
 891 /*
 892  * This function returns null terminated string that consist of new line
 893  * separated device paths.
 894  *
 895  * memory pointed by "size" is assigned total length of the array in bytes
 896  *
 897  */
 898 char *get_boot_devices_list(uint32_t *size)
 899 {
 900     FWBootEntry *i;
 901     uint32_t total = 0;
 902     char *list = NULL;
 903
 904     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 905         char *devpath = NULL, *bootpath;
 906         int len;
 907
 908         if (i->dev) {
 909             devpath = qdev_get_fw_dev_path(i->dev);
 910             assert(devpath);
 911         }
 912
 913         if (i->suffix && devpath) {
 914             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 915
 916             bootpath = g_malloc(bootpathlen);
 917             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 918             g_free(devpath);
 919         } else if (devpath) {
 920             bootpath = devpath;
 921         } else {
 922             assert(i->suffix);
 923             bootpath = g_strdup(i->suffix);
 924         }
 925
 926         if (total) {
 927             list[total-1] = '\n';
 928         }
 929         len = strlen(bootpath) + 1;
 930         list = g_realloc(list, total + len);
 931         memcpy(&list[total], bootpath, len);
 932         total += len;
 933         g_free(bootpath);
 934     }
 935
 936     *size = total;
 937
 938     return list;
 939 }
 940
 941 static void numa_add(const char *optarg)
 942 {
 943     char option[128];
 944     char *endptr;
 945     unsigned long long value, endvalue;
 946     int nodenr;
 947
 948     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 949     if (!strcmp(option, "node")) {
 950         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 951             nodenr = nb_numa_nodes;
 952         } else {
 953             nodenr = strtoull(option, NULL, 10);
 954         }
 955
 956         if (get_param_value(option, 128, "mem", optarg) == 0) {
 957             node_mem[nodenr] = 0;
 958         } else {
 959             int64_t sval;
 960             sval = strtosz(option, &endptr);
 961             if (sval < 0 || *endptr) {
 962                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 963                 exit(1);
 964             }
 965             node_mem[nodenr] = sval;
 966         }
 967         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 968             node_cpumask[nodenr] = 0;
 969         } else {
 970             value = strtoull(option, &endptr, 10);
 971             if (value >= 64) {
 972                 value = 63;
 973                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 974             } else {
 975                 if (*endptr == '-') {
 976                     endvalue = strtoull(endptr+1, &endptr, 10);
 977                     if (endvalue >= 63) {
 978                         endvalue = 62;
 979                         fprintf(stderr,
 980                             "only 63 CPUs in NUMA mode supported.\n");
 981                     }
 982                     value = (2ULL << endvalue) - (1ULL << value);
 983                 } else {
 984                     value = 1ULL << value;
 985                 }
 986             }
 987             node_cpumask[nodenr] = value;
 988         }
 989         nb_numa_nodes++;
 990     }
 991     return;
 992 }
 993
 994 static void smp_parse(const char *optarg)
 995 {
 996     int smp, sockets = 0, threads = 0, cores = 0;
 997     char *endptr;
 998     char option[128];
 999
1000     smp = strtoul(optarg, &endptr, 10);
1001     if (endptr != optarg) {
1002         if (*endptr == ',') {
1003             endptr++;
1004         }
1005     }
1006     if (get_param_value(option, 128, "sockets", endptr) != 0)
1007         sockets = strtoull(option, NULL, 10);
1008     if (get_param_value(option, 128, "cores", endptr) != 0)
1009         cores = strtoull(option, NULL, 10);
1010     if (get_param_value(option, 128, "threads", endptr) != 0)
1011         threads = strtoull(option, NULL, 10);
1012     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1013         max_cpus = strtoull(option, NULL, 10);
1014
1015     /* compute missing values, prefer sockets over cores over threads */
1016     if (smp == 0 || sockets == 0) {
1017         sockets = sockets > 0 ? sockets : 1;
1018         cores = cores > 0 ? cores : 1;
1019         threads = threads > 0 ? threads : 1;
1020         if (smp == 0) {
1021             smp = cores * threads * sockets;
1022         }
1023     } else {
1024         if (cores == 0) {
1025             threads = threads > 0 ? threads : 1;
1026             cores = smp / (sockets * threads);
1027         } else {
1028             threads = smp / (cores * sockets);
1029         }
1030     }
1031     smp_cpus = smp;
1032     smp_cores = cores > 0 ? cores : 1;
1033     smp_threads = threads > 0 ? threads : 1;
1034     if (max_cpus == 0)
1035         max_cpus = smp_cpus;
1036 }
1037
1038 /***********************************************************/
1039 /* USB devices */
1040
1041 static int usb_device_add(const char *devname)
1042 {
1043     const char *p;
1044     USBDevice *dev = NULL;
1045
1046     if (!usb_enabled)
1047         return -1;
1048
1049     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1050     dev = usbdevice_create(devname);
1051     if (dev)
1052         goto done;
1053
1054     /* the other ones */
1055 #ifndef CONFIG_LINUX
1056     /* only the linux version is qdev-ified, usb-bsd still needs this */
1057     if (strstart(devname, "host:", &p)) {
1058         dev = usb_host_device_open(usb_bus_find(-1), p);
1059     } else
1060 #endif
1061     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1062         dev = usb_bt_init(usb_bus_find(-1),
1063                           devname[2] ? hci_init(p)
1064                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1065     } else {
1066         return -1;
1067     }
1068     if (!dev)
1069         return -1;
1070
1071 done:
1072     return 0;
1073 }
1074
1075 static int usb_device_del(const char *devname)
1076 {
1077     int bus_num, addr;
1078     const char *p;
1079
1080     if (strstart(devname, "host:", &p))
1081         return usb_host_device_close(p);
1082
1083     if (!usb_enabled)
1084         return -1;
1085
1086     p = strchr(devname, '.');
1087     if (!p)
1088         return -1;
1089     bus_num = strtoul(devname, NULL, 0);
1090     addr = strtoul(p + 1, NULL, 0);
1091
1092     return usb_device_delete_addr(bus_num, addr);
1093 }
1094
1095 static int usb_parse(const char *cmdline)
1096 {
1097     int r;
1098     r = usb_device_add(cmdline);
1099     if (r < 0) {
1100         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1101     }
1102     return r;
1103 }
1104
1105 void do_usb_add(Monitor *mon, const QDict *qdict)
1106 {
1107     const char *devname = qdict_get_str(qdict, "devname");
1108     if (usb_device_add(devname) < 0) {
1109         error_report("could not add USB device '%s'", devname);
1110     }
1111 }
1112
1113 void do_usb_del(Monitor *mon, const QDict *qdict)
1114 {
1115     const char *devname = qdict_get_str(qdict, "devname");
1116     if (usb_device_del(devname) < 0) {
1117         error_report("could not delete USB device '%s'", devname);
1118     }
1119 }
1120
1121 /***********************************************************/
1122 /* PCMCIA/Cardbus */
1123
1124 static struct pcmcia_socket_entry_s {
1125     PCMCIASocket *socket;
1126     struct pcmcia_socket_entry_s *next;
1127 } *pcmcia_sockets = 0;
1128
1129 void pcmcia_socket_register(PCMCIASocket *socket)
1130 {
1131     struct pcmcia_socket_entry_s *entry;
1132
1133     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1134     entry->socket = socket;
1135     entry->next = pcmcia_sockets;
1136     pcmcia_sockets = entry;
1137 }
1138
1139 void pcmcia_socket_unregister(PCMCIASocket *socket)
1140 {
1141     struct pcmcia_socket_entry_s *entry, **ptr;
1142
1143     ptr = &pcmcia_sockets;
1144     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1145         if (entry->socket == socket) {
1146             *ptr = entry->next;
1147             g_free(entry);
1148         }
1149 }
1150
1151 void pcmcia_info(Monitor *mon)
1152 {
1153     struct pcmcia_socket_entry_s *iter;
1154
1155     if (!pcmcia_sockets)
1156         monitor_printf(mon, "No PCMCIA sockets\n");
1157
1158     for (iter = pcmcia_sockets; iter; iter = iter->next)
1159         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1160                        iter->socket->attached ? iter->socket->card_string :
1161                        "Empty");
1162 }
1163
1164 /***********************************************************/
1165 /* machine registration */
1166
1167 static QEMUMachine *first_machine = NULL;
1168 QEMUMachine *current_machine = NULL;
1169
1170 int qemu_register_machine(QEMUMachine *m)
1171 {
1172     QEMUMachine **pm;
1173     pm = &first_machine;
1174     while (*pm != NULL)
1175         pm = &(*pm)->next;
1176     m->next = NULL;
1177     *pm = m;
1178     return 0;
1179 }
1180
1181 static QEMUMachine *find_machine(const char *name)
1182 {
1183     QEMUMachine *m;
1184
1185     for(m = first_machine; m != NULL; m = m->next) {
1186         if (!strcmp(m->name, name))
1187             return m;
1188         if (m->alias && !strcmp(m->alias, name))
1189             return m;
1190     }
1191     return NULL;
1192 }
1193
1194 QEMUMachine *find_default_machine(void)
1195 {
1196     QEMUMachine *m;
1197
1198     for(m = first_machine; m != NULL; m = m->next) {
1199         if (m->is_default) {
1200             return m;
1201         }
1202     }
1203     return NULL;
1204 }
1205
1206 /***********************************************************/
1207 /* main execution loop */
1208
1209 static void gui_update(void *opaque)
1210 {
1211     uint64_t interval = GUI_REFRESH_INTERVAL;
1212     DisplayState *ds = opaque;
1213     DisplayChangeListener *dcl = ds->listeners;
1214
1215     dpy_refresh(ds);
1216
1217     while (dcl != NULL) {
1218         if (dcl->gui_timer_interval &&
1219             dcl->gui_timer_interval < interval)
1220             interval = dcl->gui_timer_interval;
1221         dcl = dcl->next;
1222     }
1223     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1224 }
1225
1226 struct vm_change_state_entry {
1227     VMChangeStateHandler *cb;
1228     void *opaque;
1229     QLIST_ENTRY (vm_change_state_entry) entries;
1230 };
1231
1232 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1233
1234 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1235                                                      void *opaque)
1236 {
1237     VMChangeStateEntry *e;
1238
1239     e = g_malloc0(sizeof (*e));
1240
1241     e->cb = cb;
1242     e->opaque = opaque;
1243     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1244     return e;
1245 }
1246
1247 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1248 {
1249     QLIST_REMOVE (e, entries);
1250     g_free (e);
1251 }
1252
1253 void vm_state_notify(int running, RunState state)
1254 {
1255     VMChangeStateEntry *e;
1256
1257     trace_vm_state_notify(running, state);
1258
1259     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1260         e->cb(e->opaque, running, state);
1261     }
1262 }
1263
1264 void vm_start(void)
1265 {
1266     if (!runstate_is_running()) {
1267         cpu_enable_ticks();
1268         runstate_set(RUN_STATE_RUNNING);
1269         vm_state_notify(1, RUN_STATE_RUNNING);
1270         resume_all_vcpus();
1271         monitor_protocol_event(QEVENT_RESUME, NULL);
1272     }
1273 }
1274
1275 /* reset/shutdown handler */
1276
1277 typedef struct QEMUResetEntry {
1278     QTAILQ_ENTRY(QEMUResetEntry) entry;
1279     QEMUResetHandler *func;
1280     void *opaque;
1281 } QEMUResetEntry;
1282
1283 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1284     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1285 static int reset_requested;
1286 static int shutdown_requested, shutdown_signal = -1;
1287 static pid_t shutdown_pid;
1288 static int powerdown_requested;
1289 static int debug_requested;
1290 static int suspend_requested;
1291 static bool is_suspended;
1292 static NotifierList suspend_notifiers =
1293     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1294 static NotifierList wakeup_notifiers =
1295     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1296 static uint32_t wakeup_reason_mask = ~0;
1297 static RunState vmstop_requested = RUN_STATE_MAX;
1298
1299 int qemu_shutdown_requested_get(void)
1300 {
1301     return shutdown_requested;
1302 }
1303
1304 int qemu_reset_requested_get(void)
1305 {
1306     return reset_requested;
1307 }
1308
1309 int qemu_shutdown_requested(void)
1310 {
1311     int r = shutdown_requested;
1312     shutdown_requested = 0;
1313     return r;
1314 }
1315
1316 void qemu_kill_report(void)
1317 {
1318     if (!qtest_enabled() && shutdown_signal != -1) {
1319         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1320         if (shutdown_pid == 0) {
1321             /* This happens for eg ^C at the terminal, so it's worth
1322              * avoiding printing an odd message in that case.
1323              */
1324             fputc('\n', stderr);
1325         } else {
1326             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1327         }
1328         shutdown_signal = -1;
1329     }
1330 }
1331
1332 int qemu_reset_requested(void)
1333 {
1334     int r = reset_requested;
1335     reset_requested = 0;
1336     return r;
1337 }
1338
1339 static int qemu_suspend_requested(void)
1340 {
1341     int r = suspend_requested;
1342     suspend_requested = 0;
1343     return r;
1344 }
1345
1346 int qemu_powerdown_requested(void)
1347 {
1348     int r = powerdown_requested;
1349     powerdown_requested = 0;
1350     return r;
1351 }
1352
1353 static int qemu_debug_requested(void)
1354 {
1355     int r = debug_requested;
1356     debug_requested = 0;
1357     return r;
1358 }
1359
1360 /* We use RUN_STATE_MAX but any invalid value will do */
1361 static bool qemu_vmstop_requested(RunState *r)
1362 {
1363     if (vmstop_requested < RUN_STATE_MAX) {
1364         *r = vmstop_requested;
1365         vmstop_requested = RUN_STATE_MAX;
1366         return true;
1367     }
1368
1369     return false;
1370 }
1371
1372 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1373 {
1374     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1375
1376     re->func = func;
1377     re->opaque = opaque;
1378     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1379 }
1380
1381 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1382 {
1383     QEMUResetEntry *re;
1384
1385     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1386         if (re->func == func && re->opaque == opaque) {
1387             QTAILQ_REMOVE(&reset_handlers, re, entry);
1388             g_free(re);
1389             return;
1390         }
1391     }
1392 }
1393
1394 void qemu_system_reset(bool report)
1395 {
1396     QEMUResetEntry *re, *nre;
1397
1398     /* reset all devices */
1399     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1400         re->func(re->opaque);
1401     }
1402     if (report) {
1403         monitor_protocol_event(QEVENT_RESET, NULL);
1404     }
1405     cpu_synchronize_all_post_reset();
1406 }
1407
1408 void qemu_system_reset_request(void)
1409 {
1410     if (no_reboot) {
1411         shutdown_requested = 1;
1412     } else {
1413         reset_requested = 1;
1414     }
1415     cpu_stop_current();
1416     qemu_notify_event();
1417 }
1418
1419 static void qemu_system_suspend(void)
1420 {
1421     pause_all_vcpus();
1422     notifier_list_notify(&suspend_notifiers, NULL);
1423     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1424     is_suspended = true;
1425 }
1426
1427 void qemu_system_suspend_request(void)
1428 {
1429     if (is_suspended) {
1430         return;
1431     }
1432     suspend_requested = 1;
1433     cpu_stop_current();
1434     qemu_notify_event();
1435 }
1436
1437 void qemu_register_suspend_notifier(Notifier *notifier)
1438 {
1439     notifier_list_add(&suspend_notifiers, notifier);
1440 }
1441
1442 void qemu_system_wakeup_request(WakeupReason reason)
1443 {
1444     if (!is_suspended) {
1445         return;
1446     }
1447     if (!(wakeup_reason_mask & (1 << reason))) {
1448         return;
1449     }
1450     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1451     notifier_list_notify(&wakeup_notifiers, &reason);
1452     reset_requested = 1;
1453     qemu_notify_event();
1454     is_suspended = false;
1455 }
1456
1457 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1458 {
1459     if (enabled) {
1460         wakeup_reason_mask |= (1 << reason);
1461     } else {
1462         wakeup_reason_mask &= ~(1 << reason);
1463     }
1464 }
1465
1466 void qemu_register_wakeup_notifier(Notifier *notifier)
1467 {
1468     notifier_list_add(&wakeup_notifiers, notifier);
1469 }
1470
1471 void qemu_system_killed(int signal, pid_t pid)
1472 {
1473     shutdown_signal = signal;
1474     shutdown_pid = pid;
1475     no_shutdown = 0;
1476     qemu_system_shutdown_request();
1477 }
1478
1479 void qemu_system_shutdown_request(void)
1480 {
1481     shutdown_requested = 1;
1482     qemu_notify_event();
1483 }
1484
1485 void qemu_system_powerdown_request(void)
1486 {
1487     powerdown_requested = 1;
1488     qemu_notify_event();
1489 }
1490
1491 void qemu_system_debug_request(void)
1492 {
1493     debug_requested = 1;
1494     qemu_notify_event();
1495 }
1496
1497 void qemu_system_vmstop_request(RunState state)
1498 {
1499     vmstop_requested = state;
1500     qemu_notify_event();
1501 }
1502
1503 qemu_irq qemu_system_powerdown;
1504
1505 static bool main_loop_should_exit(void)
1506 {
1507     RunState r;
1508     if (qemu_debug_requested()) {
1509         vm_stop(RUN_STATE_DEBUG);
1510     }
1511     if (qemu_suspend_requested()) {
1512         qemu_system_suspend();
1513     }
1514     if (qemu_shutdown_requested()) {
1515         qemu_kill_report();
1516         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1517         if (no_shutdown) {
1518             vm_stop(RUN_STATE_SHUTDOWN);
1519         } else {
1520             return true;
1521         }
1522     }
1523     if (qemu_reset_requested()) {
1524         pause_all_vcpus();
1525         cpu_synchronize_all_states();
1526         qemu_system_reset(VMRESET_REPORT);
1527         resume_all_vcpus();
1528         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1529             runstate_check(RUN_STATE_SHUTDOWN)) {
1530             runstate_set(RUN_STATE_PAUSED);
1531         }
1532     }
1533     if (qemu_powerdown_requested()) {
1534         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1535         qemu_irq_raise(qemu_system_powerdown);
1536     }
1537     if (qemu_vmstop_requested(&r)) {
1538         vm_stop(r);
1539     }
1540     return false;
1541 }
1542
1543 static void main_loop(void)
1544 {
1545     bool nonblocking;
1546     int last_io = 0;
1547 #ifdef CONFIG_PROFILER
1548     int64_t ti;
1549 #endif
1550     do {
1551         nonblocking = !kvm_enabled() && last_io > 0;
1552 #ifdef CONFIG_PROFILER
1553         ti = profile_getclock();
1554 #endif
1555         last_io = main_loop_wait(nonblocking);
1556 #ifdef CONFIG_PROFILER
1557         dev_time += profile_getclock() - ti;
1558 #endif
1559     } while (!main_loop_should_exit());
1560 }
1561
1562 static void version(void)
1563 {
1564     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1565 }
1566
1567 static void help(int exitcode)
1568 {
1569     version();
1570     printf("usage: %s [options] [disk_image]\n\n"
1571            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1572             error_get_progname());
1573
1574 #define QEMU_OPTIONS_GENERATE_HELP
1575 #include "qemu-options-wrapper.h"
1576
1577     printf("\nDuring emulation, the following keys are useful:\n"
1578            "ctrl-alt-f      toggle full screen\n"
1579            "ctrl-alt-n      switch to virtual console 'n'\n"
1580            "ctrl-alt        toggle mouse and keyboard grab\n"
1581            "\n"
1582            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1583
1584     exit(exitcode);
1585 }
1586
1587 #define HAS_ARG 0x0001
1588
1589 typedef struct QEMUOption {
1590     const char *name;
1591     int flags;
1592     int index;
1593     uint32_t arch_mask;
1594 } QEMUOption;
1595
1596 static const QEMUOption qemu_options[] = {
1597     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1598 #define QEMU_OPTIONS_GENERATE_OPTIONS
1599 #include "qemu-options-wrapper.h"
1600     { NULL },
1601 };
1602
1603 static bool vga_available(void)
1604 {
1605     return qdev_exists("VGA") || qdev_exists("isa-vga");
1606 }
1607
1608 static bool cirrus_vga_available(void)
1609 {
1610     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1611 }
1612
1613 static bool vmware_vga_available(void)
1614 {
1615     return qdev_exists("vmware-svga");
1616 }
1617
1618 static void select_vgahw (const char *p)
1619 {
1620     const char *opts;
1621
1622     vga_interface_type = VGA_NONE;
1623     if (strstart(p, "std", &opts)) {
1624         if (vga_available()) {
1625             vga_interface_type = VGA_STD;
1626         } else {
1627             fprintf(stderr, "Error: standard VGA not available\n");
1628             exit(0);
1629         }
1630     } else if (strstart(p, "cirrus", &opts)) {
1631         if (cirrus_vga_available()) {
1632             vga_interface_type = VGA_CIRRUS;
1633         } else {
1634             fprintf(stderr, "Error: Cirrus VGA not available\n");
1635             exit(0);
1636         }
1637     } else if (strstart(p, "vmware", &opts)) {
1638         if (vmware_vga_available()) {
1639             vga_interface_type = VGA_VMWARE;
1640         } else {
1641             fprintf(stderr, "Error: VMWare SVGA not available\n");
1642             exit(0);
1643         }
1644     } else if (strstart(p, "xenfb", &opts)) {
1645         vga_interface_type = VGA_XENFB;
1646     } else if (strstart(p, "qxl", &opts)) {
1647         vga_interface_type = VGA_QXL;
1648     } else if (!strstart(p, "none", &opts)) {
1649     invalid_vga:
1650         fprintf(stderr, "Unknown vga type: %s\n", p);
1651         exit(1);
1652     }
1653     while (*opts) {
1654         const char *nextopt;
1655
1656         if (strstart(opts, ",retrace=", &nextopt)) {
1657             opts = nextopt;
1658             if (strstart(opts, "dumb", &nextopt))
1659                 vga_retrace_method = VGA_RETRACE_DUMB;
1660             else if (strstart(opts, "precise", &nextopt))
1661                 vga_retrace_method = VGA_RETRACE_PRECISE;
1662             else goto invalid_vga;
1663         } else goto invalid_vga;
1664         opts = nextopt;
1665     }
1666 }
1667
1668 static DisplayType select_display(const char *p)
1669 {
1670     const char *opts;
1671     DisplayType display = DT_DEFAULT;
1672
1673     if (strstart(p, "sdl", &opts)) {
1674 #ifdef CONFIG_SDL
1675         display = DT_SDL;
1676         while (*opts) {
1677             const char *nextopt;
1678
1679             if (strstart(opts, ",frame=", &nextopt)) {
1680                 opts = nextopt;
1681                 if (strstart(opts, "on", &nextopt)) {
1682                     no_frame = 0;
1683                 } else if (strstart(opts, "off", &nextopt)) {
1684                     no_frame = 1;
1685                 } else {
1686                     goto invalid_sdl_args;
1687                 }
1688             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1689                 opts = nextopt;
1690                 if (strstart(opts, "on", &nextopt)) {
1691                     alt_grab = 1;
1692                 } else if (strstart(opts, "off", &nextopt)) {
1693                     alt_grab = 0;
1694                 } else {
1695                     goto invalid_sdl_args;
1696                 }
1697             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1698                 opts = nextopt;
1699                 if (strstart(opts, "on", &nextopt)) {
1700                     ctrl_grab = 1;
1701                 } else if (strstart(opts, "off", &nextopt)) {
1702                     ctrl_grab = 0;
1703                 } else {
1704                     goto invalid_sdl_args;
1705                 }
1706             } else if (strstart(opts, ",window_close=", &nextopt)) {
1707                 opts = nextopt;
1708                 if (strstart(opts, "on", &nextopt)) {
1709                     no_quit = 0;
1710                 } else if (strstart(opts, "off", &nextopt)) {
1711                     no_quit = 1;
1712                 } else {
1713                     goto invalid_sdl_args;
1714                 }
1715             } else {
1716             invalid_sdl_args:
1717                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1718                 exit(1);
1719             }
1720             opts = nextopt;
1721         }
1722 #else
1723         fprintf(stderr, "SDL support is disabled\n");
1724         exit(1);
1725 #endif
1726     } else if (strstart(p, "vnc", &opts)) {
1727 #ifdef CONFIG_VNC
1728         display_remote++;
1729
1730         if (*opts) {
1731             const char *nextopt;
1732
1733             if (strstart(opts, "=", &nextopt)) {
1734                 vnc_display = nextopt;
1735             }
1736         }
1737         if (!vnc_display) {
1738             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1739             exit(1);
1740         }
1741 #else
1742         fprintf(stderr, "VNC support is disabled\n");
1743         exit(1);
1744 #endif
1745     } else if (strstart(p, "curses", &opts)) {
1746 #ifdef CONFIG_CURSES
1747         display = DT_CURSES;
1748 #else
1749         fprintf(stderr, "Curses support is disabled\n");
1750         exit(1);
1751 #endif
1752     } else if (strstart(p, "none", &opts)) {
1753         display = DT_NONE;
1754     } else {
1755         fprintf(stderr, "Unknown display type: %s\n", p);
1756         exit(1);
1757     }
1758
1759     return display;
1760 }
1761
1762 static int balloon_parse(const char *arg)
1763 {
1764     QemuOpts *opts;
1765
1766     if (strcmp(arg, "none") == 0) {
1767         return 0;
1768     }
1769
1770     if (!strncmp(arg, "virtio", 6)) {
1771         if (arg[6] == ',') {
1772             /* have params -> parse them */
1773             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1774             if (!opts)
1775                 return  -1;
1776         } else {
1777             /* create empty opts */
1778             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1779         }
1780         qemu_opt_set(opts, "driver", "virtio-balloon");
1781         return 0;
1782     }
1783
1784     return -1;
1785 }
1786
1787 char *qemu_find_file(int type, const char *name)
1788 {
1789     int len;
1790     const char *subdir;
1791     char *buf;
1792
1793     /* If name contains path separators then try it as a straight path.  */
1794     if ((strchr(name, '/') || strchr(name, '\\'))
1795         && access(name, R_OK) == 0) {
1796         return g_strdup(name);
1797     }
1798     switch (type) {
1799     case QEMU_FILE_TYPE_BIOS:
1800         subdir = "";
1801         break;
1802     case QEMU_FILE_TYPE_KEYMAP:
1803         subdir = "keymaps/";
1804         break;
1805     default:
1806         abort();
1807     }
1808     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1809     buf = g_malloc0(len);
1810     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1811     if (access(buf, R_OK)) {
1812         g_free(buf);
1813         return NULL;
1814     }
1815     return buf;
1816 }
1817
1818 static int device_help_func(QemuOpts *opts, void *opaque)
1819 {
1820     return qdev_device_help(opts);
1821 }
1822
1823 static int device_init_func(QemuOpts *opts, void *opaque)
1824 {
1825     DeviceState *dev;
1826
1827     dev = qdev_device_add(opts);
1828     if (!dev)
1829         return -1;
1830     return 0;
1831 }
1832
1833 static int chardev_init_func(QemuOpts *opts, void *opaque)
1834 {
1835     CharDriverState *chr;
1836
1837     chr = qemu_chr_new_from_opts(opts, NULL);
1838     if (!chr)
1839         return -1;
1840     return 0;
1841 }
1842
1843 #ifdef CONFIG_VIRTFS
1844 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1845 {
1846     int ret;
1847     ret = qemu_fsdev_add(opts);
1848
1849     return ret;
1850 }
1851 #endif
1852
1853 static int mon_init_func(QemuOpts *opts, void *opaque)
1854 {
1855     CharDriverState *chr;
1856     const char *chardev;
1857     const char *mode;
1858     int flags;
1859
1860     mode = qemu_opt_get(opts, "mode");
1861     if (mode == NULL) {
1862         mode = "readline";
1863     }
1864     if (strcmp(mode, "readline") == 0) {
1865         flags = MONITOR_USE_READLINE;
1866     } else if (strcmp(mode, "control") == 0) {
1867         flags = MONITOR_USE_CONTROL;
1868     } else {
1869         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1870         exit(1);
1871     }
1872
1873     if (qemu_opt_get_bool(opts, "pretty", 0))
1874         flags |= MONITOR_USE_PRETTY;
1875
1876     if (qemu_opt_get_bool(opts, "default", 0))
1877         flags |= MONITOR_IS_DEFAULT;
1878
1879     chardev = qemu_opt_get(opts, "chardev");
1880     chr = qemu_chr_find(chardev);
1881     if (chr == NULL) {
1882         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1883         exit(1);
1884     }
1885
1886     monitor_init(chr, flags);
1887     return 0;
1888 }
1889
1890 static void monitor_parse(const char *optarg, const char *mode)
1891 {
1892     static int monitor_device_index = 0;
1893     QemuOpts *opts;
1894     const char *p;
1895     char label[32];
1896     int def = 0;
1897
1898     if (strstart(optarg, "chardev:", &p)) {
1899         snprintf(label, sizeof(label), "%s", p);
1900     } else {
1901         snprintf(label, sizeof(label), "compat_monitor%d",
1902                  monitor_device_index);
1903         if (monitor_device_index == 0) {
1904             def = 1;
1905         }
1906         opts = qemu_chr_parse_compat(label, optarg);
1907         if (!opts) {
1908             fprintf(stderr, "parse error: %s\n", optarg);
1909             exit(1);
1910         }
1911     }
1912
1913     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1914     if (!opts) {
1915         fprintf(stderr, "duplicate chardev: %s\n", label);
1916         exit(1);
1917     }
1918     qemu_opt_set(opts, "mode", mode);
1919     qemu_opt_set(opts, "chardev", label);
1920     if (def)
1921         qemu_opt_set(opts, "default", "on");
1922     monitor_device_index++;
1923 }
1924
1925 struct device_config {
1926     enum {
1927         DEV_USB,       /* -usbdevice     */
1928         DEV_BT,        /* -bt            */
1929         DEV_SERIAL,    /* -serial        */
1930         DEV_PARALLEL,  /* -parallel      */
1931         DEV_VIRTCON,   /* -virtioconsole */
1932         DEV_DEBUGCON,  /* -debugcon */
1933         DEV_GDB,       /* -gdb, -s */
1934     } type;
1935     const char *cmdline;
1936     Location loc;
1937     QTAILQ_ENTRY(device_config) next;
1938 };
1939 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1940
1941 static void add_device_config(int type, const char *cmdline)
1942 {
1943     struct device_config *conf;
1944
1945     conf = g_malloc0(sizeof(*conf));
1946     conf->type = type;
1947     conf->cmdline = cmdline;
1948     loc_save(&conf->loc);
1949     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1950 }
1951
1952 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1953 {
1954     struct device_config *conf;
1955     int rc;
1956
1957     QTAILQ_FOREACH(conf, &device_configs, next) {
1958         if (conf->type != type)
1959             continue;
1960         loc_push_restore(&conf->loc);
1961         rc = func(conf->cmdline);
1962         loc_pop(&conf->loc);
1963         if (0 != rc)
1964             return rc;
1965     }
1966     return 0;
1967 }
1968
1969 static int serial_parse(const char *devname)
1970 {
1971     static int index = 0;
1972     char label[32];
1973
1974     if (strcmp(devname, "none") == 0)
1975         return 0;
1976     if (index == MAX_SERIAL_PORTS) {
1977         fprintf(stderr, "qemu: too many serial ports\n");
1978         exit(1);
1979     }
1980     snprintf(label, sizeof(label), "serial%d", index);
1981     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1982     if (!serial_hds[index]) {
1983         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1984                 devname, strerror(errno));
1985         return -1;
1986     }
1987     index++;
1988     return 0;
1989 }
1990
1991 static int parallel_parse(const char *devname)
1992 {
1993     static int index = 0;
1994     char label[32];
1995
1996     if (strcmp(devname, "none") == 0)
1997         return 0;
1998     if (index == MAX_PARALLEL_PORTS) {
1999         fprintf(stderr, "qemu: too many parallel ports\n");
2000         exit(1);
2001     }
2002     snprintf(label, sizeof(label), "parallel%d", index);
2003     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2004     if (!parallel_hds[index]) {
2005         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2006                 devname, strerror(errno));
2007         return -1;
2008     }
2009     index++;
2010     return 0;
2011 }
2012
2013 static int virtcon_parse(const char *devname)
2014 {
2015     QemuOptsList *device = qemu_find_opts("device");
2016     static int index = 0;
2017     char label[32];
2018     QemuOpts *bus_opts, *dev_opts;
2019
2020     if (strcmp(devname, "none") == 0)
2021         return 0;
2022     if (index == MAX_VIRTIO_CONSOLES) {
2023         fprintf(stderr, "qemu: too many virtio consoles\n");
2024         exit(1);
2025     }
2026
2027     bus_opts = qemu_opts_create(device, NULL, 0);
2028     if (arch_type == QEMU_ARCH_S390X) {
2029         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2030     } else {
2031         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2032     }
2033
2034     dev_opts = qemu_opts_create(device, NULL, 0);
2035     qemu_opt_set(dev_opts, "driver", "virtconsole");
2036
2037     snprintf(label, sizeof(label), "virtcon%d", index);
2038     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2039     if (!virtcon_hds[index]) {
2040         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2041                 devname, strerror(errno));
2042         return -1;
2043     }
2044     qemu_opt_set(dev_opts, "chardev", label);
2045
2046     index++;
2047     return 0;
2048 }
2049
2050 static int debugcon_parse(const char *devname)
2051 {
2052     QemuOpts *opts;
2053
2054     if (!qemu_chr_new("debugcon", devname, NULL)) {
2055         exit(1);
2056     }
2057     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2058     if (!opts) {
2059         fprintf(stderr, "qemu: already have a debugcon device\n");
2060         exit(1);
2061     }
2062     qemu_opt_set(opts, "driver", "isa-debugcon");
2063     qemu_opt_set(opts, "chardev", "debugcon");
2064     return 0;
2065 }
2066
2067 static QEMUMachine *machine_parse(const char *name)
2068 {
2069     QEMUMachine *m, *machine = NULL;
2070
2071     if (name) {
2072         machine = find_machine(name);
2073     }
2074     if (machine) {
2075         return machine;
2076     }
2077     printf("Supported machines are:\n");
2078     for (m = first_machine; m != NULL; m = m->next) {
2079         if (m->alias) {
2080             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2081         }
2082         printf("%-20s %s%s\n", m->name, m->desc,
2083                m->is_default ? " (default)" : "");
2084     }
2085     exit(!name || *name != '?');
2086 }
2087
2088 static int tcg_init(void)
2089 {
2090     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2091     return 0;
2092 }
2093
2094 static struct {
2095     const char *opt_name;
2096     const char *name;
2097     int (*available)(void);
2098     int (*init)(void);
2099     int *allowed;
2100 } accel_list[] = {
2101     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2102     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2103     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2104     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2105 };
2106
2107 static int configure_accelerator(void)
2108 {
2109     const char *p = NULL;
2110     char buf[10];
2111     int i, ret;
2112     bool accel_initialised = 0;
2113     bool init_failed = 0;
2114
2115     QemuOptsList *list = qemu_find_opts("machine");
2116     if (!QTAILQ_EMPTY(&list->head)) {
2117         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2118     }
2119
2120     if (p == NULL) {
2121         /* Use the default "accelerator", tcg */
2122         p = "tcg";
2123     }
2124
2125     while (!accel_initialised && *p != '\0') {
2126         if (*p == ':') {
2127             p++;
2128         }
2129         p = get_opt_name(buf, sizeof (buf), p, ':');
2130         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2131             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2132                 *(accel_list[i].allowed) = 1;
2133                 ret = accel_list[i].init();
2134                 if (ret < 0) {
2135                     init_failed = 1;
2136                     if (!accel_list[i].available()) {
2137                         printf("%s not supported for this target\n",
2138                                accel_list[i].name);
2139                     } else {
2140                         fprintf(stderr, "failed to initialize %s: %s\n",
2141                                 accel_list[i].name,
2142                                 strerror(-ret));
2143                     }
2144                     *(accel_list[i].allowed) = 0;
2145                 } else {
2146                     accel_initialised = 1;
2147                 }
2148                 break;
2149             }
2150         }
2151         if (i == ARRAY_SIZE(accel_list)) {
2152             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2153         }
2154     }
2155
2156     if (!accel_initialised) {
2157         fprintf(stderr, "No accelerator found!\n");
2158         exit(1);
2159     }
2160
2161     if (init_failed) {
2162         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2163     }
2164
2165     return !accel_initialised;
2166 }
2167
2168 void qemu_add_exit_notifier(Notifier *notify)
2169 {
2170     notifier_list_add(&exit_notifiers, notify);
2171 }
2172
2173 void qemu_remove_exit_notifier(Notifier *notify)
2174 {
2175     notifier_remove(notify);
2176 }
2177
2178 static void qemu_run_exit_notifiers(void)
2179 {
2180     notifier_list_notify(&exit_notifiers, NULL);
2181 }
2182
2183 void qemu_add_machine_init_done_notifier(Notifier *notify)
2184 {
2185     notifier_list_add(&machine_init_done_notifiers, notify);
2186 }
2187
2188 static void qemu_run_machine_init_done_notifiers(void)
2189 {
2190     notifier_list_notify(&machine_init_done_notifiers, NULL);
2191 }
2192
2193 static const QEMUOption *lookup_opt(int argc, char **argv,
2194                                     const char **poptarg, int *poptind)
2195 {
2196     const QEMUOption *popt;
2197     int optind = *poptind;
2198     char *r = argv[optind];
2199     const char *optarg;
2200
2201     loc_set_cmdline(argv, optind, 1);
2202     optind++;
2203     /* Treat --foo the same as -foo.  */
2204     if (r[1] == '-')
2205         r++;
2206     popt = qemu_options;
2207     for(;;) {
2208         if (!popt->name) {
2209             error_report("invalid option");
2210             exit(1);
2211         }
2212         if (!strcmp(popt->name, r + 1))
2213             break;
2214         popt++;
2215     }
2216     if (popt->flags & HAS_ARG) {
2217         if (optind >= argc) {
2218             error_report("requires an argument");
2219             exit(1);
2220         }
2221         optarg = argv[optind++];
2222         loc_set_cmdline(argv, optind - 2, 2);
2223     } else {
2224         optarg = NULL;
2225     }
2226
2227     *poptarg = optarg;
2228     *poptind = optind;
2229
2230     return popt;
2231 }
2232
2233 static gpointer malloc_and_trace(gsize n_bytes)
2234 {
2235     void *ptr = malloc(n_bytes);
2236     trace_g_malloc(n_bytes, ptr);
2237     return ptr;
2238 }
2239
2240 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2241 {
2242     void *ptr = realloc(mem, n_bytes);
2243     trace_g_realloc(mem, n_bytes, ptr);
2244     return ptr;
2245 }
2246
2247 static void free_and_trace(gpointer mem)
2248 {
2249     trace_g_free(mem);
2250     free(mem);
2251 }
2252
2253 int qemu_init_main_loop(void)
2254 {
2255     return main_loop_init();
2256 }
2257
2258 int main(int argc, char **argv, char **envp)
2259 {
2260     int i;
2261     int snapshot, linux_boot;
2262     const char *icount_option = NULL;
2263     const char *initrd_filename;
2264     const char *kernel_filename, *kernel_cmdline;
2265     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2266     DisplayState *ds;
2267     DisplayChangeListener *dcl;
2268     int cyls, heads, secs, translation;
2269     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2270     QemuOptsList *olist;
2271     int optind;
2272     const char *optarg;
2273     const char *loadvm = NULL;
2274     QEMUMachine *machine;
2275     const char *cpu_model;
2276     const char *vga_model = NULL;
2277     const char *pid_file = NULL;
2278     const char *incoming = NULL;
2279 #ifdef CONFIG_VNC
2280     int show_vnc_port = 0;
2281 #endif
2282     int defconfig = 1;
2283     const char *log_mask = NULL;
2284     const char *log_file = NULL;
2285     GMemVTable mem_trace = {
2286         .malloc = malloc_and_trace,
2287         .realloc = realloc_and_trace,
2288         .free = free_and_trace,
2289     };
2290     const char *trace_events = NULL;
2291     const char *trace_file = NULL;
2292
2293     atexit(qemu_run_exit_notifiers);
2294     error_set_progname(argv[0]);
2295
2296     g_mem_set_vtable(&mem_trace);
2297     if (!g_thread_supported()) {
2298 #if !GLIB_CHECK_VERSION(2, 31, 0)
2299         g_thread_init(NULL);
2300 #else
2301         fprintf(stderr, "glib threading failed to initialize.\n");
2302         exit(1);
2303 #endif
2304     }
2305
2306     module_call_init(MODULE_INIT_QOM);
2307
2308     runstate_init();
2309
2310     init_clocks();
2311     rtc_clock = host_clock;
2312
2313     qemu_cache_utils_init(envp);
2314
2315     QLIST_INIT (&vm_change_state_head);
2316     os_setup_early_signal_handling();
2317
2318     module_call_init(MODULE_INIT_MACHINE);
2319     machine = find_default_machine();
2320     cpu_model = NULL;
2321     ram_size = 0;
2322     snapshot = 0;
2323     cyls = heads = secs = 0;
2324     translation = BIOS_ATA_TRANSLATION_AUTO;
2325
2326     for (i = 0; i < MAX_NODES; i++) {
2327         node_mem[i] = 0;
2328         node_cpumask[i] = 0;
2329     }
2330
2331     nb_numa_nodes = 0;
2332     nb_nics = 0;
2333
2334     autostart= 1;
2335
2336     /* first pass of option parsing */
2337     optind = 1;
2338     while (optind < argc) {
2339         if (argv[optind][0] != '-') {
2340             /* disk image */
2341             optind++;
2342             continue;
2343         } else {
2344             const QEMUOption *popt;
2345
2346             popt = lookup_opt(argc, argv, &optarg, &optind);
2347             switch (popt->index) {
2348             case QEMU_OPTION_nodefconfig:
2349                 defconfig=0;
2350                 break;
2351             }
2352         }
2353     }
2354
2355     if (defconfig) {
2356         int ret;
2357
2358         ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2359         if (ret < 0 && ret != -ENOENT) {
2360             exit(1);
2361         }
2362
2363         ret = qemu_read_config_file(arch_config_name);
2364         if (ret < 0 && ret != -ENOENT) {
2365             exit(1);
2366         }
2367     }
2368
2369     /* second pass of option parsing */
2370     optind = 1;
2371     for(;;) {
2372         if (optind >= argc)
2373             break;
2374         if (argv[optind][0] != '-') {
2375             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2376         } else {
2377             const QEMUOption *popt;
2378
2379             popt = lookup_opt(argc, argv, &optarg, &optind);
2380             if (!(popt->arch_mask & arch_type)) {
2381                 printf("Option %s not supported for this target\n", popt->name);
2382                 exit(1);
2383             }
2384             switch(popt->index) {
2385             case QEMU_OPTION_M:
2386                 machine = machine_parse(optarg);
2387                 break;
2388             case QEMU_OPTION_cpu:
2389                 /* hw initialization will check this */
2390                 cpu_model = optarg;
2391                 break;
2392             case QEMU_OPTION_hda:
2393                 {
2394                     char buf[256];
2395                     if (cyls == 0)
2396                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2397                     else
2398                         snprintf(buf, sizeof(buf),
2399                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2400                                  HD_OPTS , cyls, heads, secs,
2401                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2402                                  ",trans=lba" :
2403                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2404                                  ",trans=none" : "");
2405                     drive_add(IF_DEFAULT, 0, optarg, buf);
2406                     break;
2407                 }
2408             case QEMU_OPTION_hdb:
2409             case QEMU_OPTION_hdc:
2410             case QEMU_OPTION_hdd:
2411                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2412                           HD_OPTS);
2413                 break;
2414             case QEMU_OPTION_drive:
2415                 if (drive_def(optarg) == NULL) {
2416                     exit(1);
2417                 }
2418                 break;
2419             case QEMU_OPTION_set:
2420                 if (qemu_set_option(optarg) != 0)
2421                     exit(1);
2422                 break;
2423             case QEMU_OPTION_global:
2424                 if (qemu_global_option(optarg) != 0)
2425                     exit(1);
2426                 break;
2427             case QEMU_OPTION_mtdblock:
2428                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2429                 break;
2430             case QEMU_OPTION_sd:
2431                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2432                 break;
2433             case QEMU_OPTION_pflash:
2434                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2435                 break;
2436             case QEMU_OPTION_snapshot:
2437                 snapshot = 1;
2438                 break;
2439             case QEMU_OPTION_hdachs:
2440                 {
2441                     const char *p;
2442                     p = optarg;
2443                     cyls = strtol(p, (char **)&p, 0);
2444                     if (cyls < 1 || cyls > 16383)
2445                         goto chs_fail;
2446                     if (*p != ',')
2447                         goto chs_fail;
2448                     p++;
2449                     heads = strtol(p, (char **)&p, 0);
2450                     if (heads < 1 || heads > 16)
2451                         goto chs_fail;
2452                     if (*p != ',')
2453                         goto chs_fail;
2454                     p++;
2455                     secs = strtol(p, (char **)&p, 0);
2456                     if (secs < 1 || secs > 63)
2457                         goto chs_fail;
2458                     if (*p == ',') {
2459                         p++;
2460                         if (!strcmp(p, "none"))
2461                             translation = BIOS_ATA_TRANSLATION_NONE;
2462                         else if (!strcmp(p, "lba"))
2463                             translation = BIOS_ATA_TRANSLATION_LBA;
2464                         else if (!strcmp(p, "auto"))
2465                             translation = BIOS_ATA_TRANSLATION_AUTO;
2466                         else
2467                             goto chs_fail;
2468                     } else if (*p != '\0') {
2469                     chs_fail:
2470                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2471                         exit(1);
2472                     }
2473                     if (hda_opts != NULL) {
2474                         char num[16];
2475                         snprintf(num, sizeof(num), "%d", cyls);
2476                         qemu_opt_set(hda_opts, "cyls", num);
2477                         snprintf(num, sizeof(num), "%d", heads);
2478                         qemu_opt_set(hda_opts, "heads", num);
2479                         snprintf(num, sizeof(num), "%d", secs);
2480                         qemu_opt_set(hda_opts, "secs", num);
2481                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2482                             qemu_opt_set(hda_opts, "trans", "lba");
2483                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2484                             qemu_opt_set(hda_opts, "trans", "none");
2485                     }
2486                 }
2487                 break;
2488             case QEMU_OPTION_numa:
2489                 if (nb_numa_nodes >= MAX_NODES) {
2490                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2491                     exit(1);
2492                 }
2493                 numa_add(optarg);
2494                 break;
2495             case QEMU_OPTION_display:
2496                 display_type = select_display(optarg);
2497                 break;
2498             case QEMU_OPTION_nographic:
2499                 display_type = DT_NOGRAPHIC;
2500                 break;
2501             case QEMU_OPTION_curses:
2502 #ifdef CONFIG_CURSES
2503                 display_type = DT_CURSES;
2504 #else
2505                 fprintf(stderr, "Curses support is disabled\n");
2506                 exit(1);
2507 #endif
2508                 break;
2509             case QEMU_OPTION_portrait:
2510                 graphic_rotate = 90;
2511                 break;
2512             case QEMU_OPTION_rotate:
2513                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2514                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2515                     graphic_rotate != 180 && graphic_rotate != 270) {
2516                     fprintf(stderr,
2517                         "qemu: only 90, 180, 270 deg rotation is available\n");
2518                     exit(1);
2519                 }
2520                 break;
2521             case QEMU_OPTION_kernel:
2522                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2523                 break;
2524             case QEMU_OPTION_initrd:
2525                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2526                 break;
2527             case QEMU_OPTION_append:
2528                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2529                 break;
2530             case QEMU_OPTION_dtb:
2531                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2532                 break;
2533             case QEMU_OPTION_cdrom:
2534                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2535                 break;
2536             case QEMU_OPTION_boot:
2537                 {
2538                     static const char * const params[] = {
2539                         "order", "once", "menu",
2540                         "splash", "splash-time", NULL
2541                     };
2542                     char buf[sizeof(boot_devices)];
2543                     char *standard_boot_devices;
2544                     int legacy = 0;
2545
2546                     if (!strchr(optarg, '=')) {
2547                         legacy = 1;
2548                         pstrcpy(buf, sizeof(buf), optarg);
2549                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2550                         fprintf(stderr,
2551                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2552                                 buf, optarg);
2553                         exit(1);
2554                     }
2555
2556                     if (legacy ||
2557                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2558                         validate_bootdevices(buf);
2559                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2560                     }
2561                     if (!legacy) {
2562                         if (get_param_value(buf, sizeof(buf),
2563                                             "once", optarg)) {
2564                             validate_bootdevices(buf);
2565                             standard_boot_devices = g_strdup(boot_devices);
2566                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2567                             qemu_register_reset(restore_boot_devices,
2568                                                 standard_boot_devices);
2569                         }
2570                         if (get_param_value(buf, sizeof(buf),
2571                                             "menu", optarg)) {
2572                             if (!strcmp(buf, "on")) {
2573                                 boot_menu = 1;
2574                             } else if (!strcmp(buf, "off")) {
2575                                 boot_menu = 0;
2576                             } else {
2577                                 fprintf(stderr,
2578                                         "qemu: invalid option value '%s'\n",
2579                                         buf);
2580                                 exit(1);
2581                             }
2582                         }
2583                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2584                                         optarg, 0);
2585                     }
2586                 }
2587                 break;
2588             case QEMU_OPTION_fda:
2589             case QEMU_OPTION_fdb:
2590                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2591                           optarg, FD_OPTS);
2592                 break;
2593             case QEMU_OPTION_no_fd_bootchk:
2594                 fd_bootchk = 0;
2595                 break;
2596             case QEMU_OPTION_netdev:
2597                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2598                     exit(1);
2599                 }
2600                 break;
2601             case QEMU_OPTION_net:
2602                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2603                     exit(1);
2604                 }
2605                 break;
2606 #ifdef CONFIG_LIBISCSI
2607             case QEMU_OPTION_iscsi:
2608                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2609                 if (!opts) {
2610                     exit(1);
2611                 }
2612                 break;
2613 #endif
2614 #ifdef CONFIG_SLIRP
2615             case QEMU_OPTION_tftp:
2616                 legacy_tftp_prefix = optarg;
2617                 break;
2618             case QEMU_OPTION_bootp:
2619                 legacy_bootp_filename = optarg;
2620                 break;
2621             case QEMU_OPTION_redir:
2622                 if (net_slirp_redir(optarg) < 0)
2623                     exit(1);
2624                 break;
2625 #endif
2626             case QEMU_OPTION_bt:
2627                 add_device_config(DEV_BT, optarg);
2628                 break;
2629             case QEMU_OPTION_audio_help:
2630                 if (!(audio_available())) {
2631                     printf("Option %s not supported for this target\n", popt->name);
2632                     exit(1);
2633                 }
2634                 AUD_help ();
2635                 exit (0);
2636                 break;
2637             case QEMU_OPTION_soundhw:
2638                 if (!(audio_available())) {
2639                     printf("Option %s not supported for this target\n", popt->name);
2640                     exit(1);
2641                 }
2642                 select_soundhw (optarg);
2643                 break;
2644             case QEMU_OPTION_h:
2645                 help(0);
2646                 break;
2647             case QEMU_OPTION_version:
2648                 version();
2649                 exit(0);
2650                 break;
2651             case QEMU_OPTION_m: {
2652                 int64_t value;
2653                 char *end;
2654
2655                 value = strtosz(optarg, &end);
2656                 if (value < 0 || *end) {
2657                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2658                     exit(1);
2659                 }
2660
2661                 if (value != (uint64_t)(ram_addr_t)value) {
2662                     fprintf(stderr, "qemu: ram size too large\n");
2663                     exit(1);
2664                 }
2665                 ram_size = value;
2666                 break;
2667             }
2668             case QEMU_OPTION_mempath:
2669                 mem_path = optarg;
2670                 break;
2671 #ifdef MAP_POPULATE
2672             case QEMU_OPTION_mem_prealloc:
2673                 mem_prealloc = 1;
2674                 break;
2675 #endif
2676             case QEMU_OPTION_d:
2677                 log_mask = optarg;
2678                 break;
2679             case QEMU_OPTION_D:
2680                 log_file = optarg;
2681                 break;
2682             case QEMU_OPTION_s:
2683                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2684                 break;
2685             case QEMU_OPTION_gdb:
2686                 add_device_config(DEV_GDB, optarg);
2687                 break;
2688             case QEMU_OPTION_L:
2689                 data_dir = optarg;
2690                 break;
2691             case QEMU_OPTION_bios:
2692                 bios_name = optarg;
2693                 break;
2694             case QEMU_OPTION_singlestep:
2695                 singlestep = 1;
2696                 break;
2697             case QEMU_OPTION_S:
2698                 autostart = 0;
2699                 break;
2700             case QEMU_OPTION_k:
2701                 keyboard_layout = optarg;
2702                 break;
2703             case QEMU_OPTION_localtime:
2704                 rtc_utc = 0;
2705                 break;
2706             case QEMU_OPTION_vga:
2707                 vga_model = optarg;
2708                 break;
2709             case QEMU_OPTION_g:
2710                 {
2711                     const char *p;
2712                     int w, h, depth;
2713                     p = optarg;
2714                     w = strtol(p, (char **)&p, 10);
2715                     if (w <= 0) {
2716                     graphic_error:
2717                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2718                         exit(1);
2719                     }
2720                     if (*p != 'x')
2721                         goto graphic_error;
2722                     p++;
2723                     h = strtol(p, (char **)&p, 10);
2724                     if (h <= 0)
2725                         goto graphic_error;
2726                     if (*p == 'x') {
2727                         p++;
2728                         depth = strtol(p, (char **)&p, 10);
2729                         if (depth != 8 && depth != 15 && depth != 16 &&
2730                             depth != 24 && depth != 32)
2731                             goto graphic_error;
2732                     } else if (*p == '\0') {
2733                         depth = graphic_depth;
2734                     } else {
2735                         goto graphic_error;
2736                     }
2737
2738                     graphic_width = w;
2739                     graphic_height = h;
2740                     graphic_depth = depth;
2741                 }
2742                 break;
2743             case QEMU_OPTION_echr:
2744                 {
2745                     char *r;
2746                     term_escape_char = strtol(optarg, &r, 0);
2747                     if (r == optarg)
2748                         printf("Bad argument to echr\n");
2749                     break;
2750                 }
2751             case QEMU_OPTION_monitor:
2752                 monitor_parse(optarg, "readline");
2753                 default_monitor = 0;
2754                 break;
2755             case QEMU_OPTION_qmp:
2756                 monitor_parse(optarg, "control");
2757                 default_monitor = 0;
2758                 break;
2759             case QEMU_OPTION_mon:
2760                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2761                 if (!opts) {
2762                     exit(1);
2763                 }
2764                 default_monitor = 0;
2765                 break;
2766             case QEMU_OPTION_chardev:
2767                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2768                 if (!opts) {
2769                     exit(1);
2770                 }
2771                 break;
2772             case QEMU_OPTION_fsdev:
2773                 olist = qemu_find_opts("fsdev");
2774                 if (!olist) {
2775                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2776                     exit(1);
2777                 }
2778                 opts = qemu_opts_parse(olist, optarg, 1);
2779                 if (!opts) {
2780                     fprintf(stderr, "parse error: %s\n", optarg);
2781                     exit(1);
2782                 }
2783                 break;
2784             case QEMU_OPTION_virtfs: {
2785                 QemuOpts *fsdev;
2786                 QemuOpts *device;
2787                 const char *writeout, *sock_fd, *socket;
2788
2789                 olist = qemu_find_opts("virtfs");
2790                 if (!olist) {
2791                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2792                     exit(1);
2793                 }
2794                 opts = qemu_opts_parse(olist, optarg, 1);
2795                 if (!opts) {
2796                     fprintf(stderr, "parse error: %s\n", optarg);
2797                     exit(1);
2798                 }
2799
2800                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2801                     qemu_opt_get(opts, "mount_tag") == NULL) {
2802                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2803                     exit(1);
2804                 }
2805                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2806                                          qemu_opt_get(opts, "mount_tag"), 1);
2807                 if (!fsdev) {
2808                     fprintf(stderr, "duplicate fsdev id: %s\n",
2809                             qemu_opt_get(opts, "mount_tag"));
2810                     exit(1);
2811                 }
2812
2813                 writeout = qemu_opt_get(opts, "writeout");
2814                 if (writeout) {
2815 #ifdef CONFIG_SYNC_FILE_RANGE
2816                     qemu_opt_set(fsdev, "writeout", writeout);
2817 #else
2818                     fprintf(stderr, "writeout=immediate not supported on "
2819                             "this platform\n");
2820                     exit(1);
2821 #endif
2822                 }
2823                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2824                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2825                 qemu_opt_set(fsdev, "security_model",
2826                              qemu_opt_get(opts, "security_model"));
2827                 socket = qemu_opt_get(opts, "socket");
2828                 if (socket) {
2829                     qemu_opt_set(fsdev, "socket", socket);
2830                 }
2831                 sock_fd = qemu_opt_get(opts, "sock_fd");
2832                 if (sock_fd) {
2833                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2834                 }
2835
2836                 qemu_opt_set_bool(fsdev, "readonly",
2837                                 qemu_opt_get_bool(opts, "readonly", 0));
2838                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2839                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2840                 qemu_opt_set(device, "fsdev",
2841                              qemu_opt_get(opts, "mount_tag"));
2842                 qemu_opt_set(device, "mount_tag",
2843                              qemu_opt_get(opts, "mount_tag"));
2844                 break;
2845             }
2846             case QEMU_OPTION_virtfs_synth: {
2847                 QemuOpts *fsdev;
2848                 QemuOpts *device;
2849
2850                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2851                 if (!fsdev) {
2852                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2853                     exit(1);
2854                 }
2855                 qemu_opt_set(fsdev, "fsdriver", "synth");
2856
2857                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2858                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2859                 qemu_opt_set(device, "fsdev", "v_synth");
2860                 qemu_opt_set(device, "mount_tag", "v_synth");
2861                 break;
2862             }
2863             case QEMU_OPTION_serial:
2864                 add_device_config(DEV_SERIAL, optarg);
2865                 default_serial = 0;
2866                 if (strncmp(optarg, "mon:", 4) == 0) {
2867                     default_monitor = 0;
2868                 }
2869                 break;
2870             case QEMU_OPTION_watchdog:
2871                 if (watchdog) {
2872                     fprintf(stderr,
2873                             "qemu: only one watchdog option may be given\n");
2874                     return 1;
2875                 }
2876                 watchdog = optarg;
2877                 break;
2878             case QEMU_OPTION_watchdog_action:
2879                 if (select_watchdog_action(optarg) == -1) {
2880                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2881                     exit(1);
2882                 }
2883                 break;
2884             case QEMU_OPTION_virtiocon:
2885                 add_device_config(DEV_VIRTCON, optarg);
2886                 default_virtcon = 0;
2887                 if (strncmp(optarg, "mon:", 4) == 0) {
2888                     default_monitor = 0;
2889                 }
2890                 break;
2891             case QEMU_OPTION_parallel:
2892                 add_device_config(DEV_PARALLEL, optarg);
2893                 default_parallel = 0;
2894                 if (strncmp(optarg, "mon:", 4) == 0) {
2895                     default_monitor = 0;
2896                 }
2897                 break;
2898             case QEMU_OPTION_debugcon:
2899                 add_device_config(DEV_DEBUGCON, optarg);
2900                 break;
2901             case QEMU_OPTION_loadvm:
2902                 loadvm = optarg;
2903                 break;
2904             case QEMU_OPTION_full_screen:
2905                 full_screen = 1;
2906                 break;
2907 #ifdef CONFIG_SDL
2908             case QEMU_OPTION_no_frame:
2909                 no_frame = 1;
2910                 break;
2911             case QEMU_OPTION_alt_grab:
2912                 alt_grab = 1;
2913                 break;
2914             case QEMU_OPTION_ctrl_grab:
2915                 ctrl_grab = 1;
2916                 break;
2917             case QEMU_OPTION_no_quit:
2918                 no_quit = 1;
2919                 break;
2920             case QEMU_OPTION_sdl:
2921                 display_type = DT_SDL;
2922                 break;
2923 #else
2924             case QEMU_OPTION_no_frame:
2925             case QEMU_OPTION_alt_grab:
2926             case QEMU_OPTION_ctrl_grab:
2927             case QEMU_OPTION_no_quit:
2928             case QEMU_OPTION_sdl:
2929                 fprintf(stderr, "SDL support is disabled\n");
2930                 exit(1);
2931 #endif
2932             case QEMU_OPTION_pidfile:
2933                 pid_file = optarg;
2934                 break;
2935             case QEMU_OPTION_win2k_hack:
2936                 win2k_install_hack = 1;
2937                 break;
2938             case QEMU_OPTION_rtc_td_hack: {
2939                 static GlobalProperty slew_lost_ticks[] = {
2940                     {
2941                         .driver   = "mc146818rtc",
2942                         .property = "lost_tick_policy",
2943                         .value    = "slew",
2944                     },
2945                     { /* end of list */ }
2946                 };
2947
2948                 qdev_prop_register_global_list(slew_lost_ticks);
2949                 break;
2950             }
2951             case QEMU_OPTION_acpitable:
2952                 do_acpitable_option(optarg);
2953                 break;
2954             case QEMU_OPTION_smbios:
2955                 do_smbios_option(optarg);
2956                 break;
2957             case QEMU_OPTION_enable_kvm:
2958                 olist = qemu_find_opts("machine");
2959                 qemu_opts_parse(olist, "accel=kvm", 0);
2960                 break;
2961             case QEMU_OPTION_machine:
2962                 olist = qemu_find_opts("machine");
2963                 opts = qemu_opts_parse(olist, optarg, 1);
2964                 if (!opts) {
2965                     fprintf(stderr, "parse error: %s\n", optarg);
2966                     exit(1);
2967                 }
2968                 optarg = qemu_opt_get(opts, "type");
2969                 if (optarg) {
2970                     machine = machine_parse(optarg);
2971                 }
2972                 break;
2973             case QEMU_OPTION_usb:
2974                 usb_enabled = 1;
2975                 break;
2976             case QEMU_OPTION_usbdevice:
2977                 usb_enabled = 1;
2978                 add_device_config(DEV_USB, optarg);
2979                 break;
2980             case QEMU_OPTION_device:
2981                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2982                     exit(1);
2983                 }
2984                 break;
2985             case QEMU_OPTION_smp:
2986                 smp_parse(optarg);
2987                 if (smp_cpus < 1) {
2988                     fprintf(stderr, "Invalid number of CPUs\n");
2989                     exit(1);
2990                 }
2991                 if (max_cpus < smp_cpus) {
2992                     fprintf(stderr, "maxcpus must be equal to or greater than "
2993                             "smp\n");
2994                     exit(1);
2995                 }
2996                 if (max_cpus > 255) {
2997                     fprintf(stderr, "Unsupported number of maxcpus\n");
2998                     exit(1);
2999                 }
3000                 break;
3001             case QEMU_OPTION_vnc:
3002 #ifdef CONFIG_VNC
3003                 display_remote++;
3004                 vnc_display = optarg;
3005 #else
3006                 fprintf(stderr, "VNC support is disabled\n");
3007                 exit(1);
3008 #endif
3009                 break;
3010             case QEMU_OPTION_no_acpi:
3011                 acpi_enabled = 0;
3012                 break;
3013             case QEMU_OPTION_no_hpet:
3014                 no_hpet = 1;
3015                 break;
3016             case QEMU_OPTION_balloon:
3017                 if (balloon_parse(optarg) < 0) {
3018                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3019                     exit(1);
3020                 }
3021                 break;
3022             case QEMU_OPTION_no_reboot:
3023                 no_reboot = 1;
3024                 break;
3025             case QEMU_OPTION_no_shutdown:
3026                 no_shutdown = 1;
3027                 break;
3028             case QEMU_OPTION_show_cursor:
3029                 cursor_hide = 0;
3030                 break;
3031             case QEMU_OPTION_uuid:
3032                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3033                     fprintf(stderr, "Fail to parse UUID string."
3034                             " Wrong format.\n");
3035                     exit(1);
3036                 }
3037                 break;
3038             case QEMU_OPTION_option_rom:
3039                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3040                     fprintf(stderr, "Too many option ROMs\n");
3041                     exit(1);
3042                 }
3043                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3044                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3045                 option_rom[nb_option_roms].bootindex =
3046                     qemu_opt_get_number(opts, "bootindex", -1);
3047                 if (!option_rom[nb_option_roms].name) {
3048                     fprintf(stderr, "Option ROM file is not specified\n");
3049                     exit(1);
3050                 }
3051                 nb_option_roms++;
3052                 break;
3053             case QEMU_OPTION_semihosting:
3054                 semihosting_enabled = 1;
3055                 break;
3056             case QEMU_OPTION_name:
3057                 qemu_name = g_strdup(optarg);
3058                  {
3059                      char *p = strchr(qemu_name, ',');
3060                      if (p != NULL) {
3061                         *p++ = 0;
3062                         if (strncmp(p, "process=", 8)) {
3063                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3064                             exit(1);
3065                         }
3066                         p += 8;
3067                         os_set_proc_name(p);
3068                      }
3069                  }
3070                 break;
3071             case QEMU_OPTION_prom_env:
3072                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3073                     fprintf(stderr, "Too many prom variables\n");
3074                     exit(1);
3075                 }
3076                 prom_envs[nb_prom_envs] = optarg;
3077                 nb_prom_envs++;
3078                 break;
3079             case QEMU_OPTION_old_param:
3080                 old_param = 1;
3081                 break;
3082             case QEMU_OPTION_clock:
3083                 configure_alarms(optarg);
3084                 break;
3085             case QEMU_OPTION_startdate:
3086                 configure_rtc_date_offset(optarg, 1);
3087                 break;
3088             case QEMU_OPTION_rtc:
3089                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3090                 if (!opts) {
3091                     exit(1);
3092                 }
3093                 configure_rtc(opts);
3094                 break;
3095             case QEMU_OPTION_tb_size:
3096                 tcg_tb_size = strtol(optarg, NULL, 0);
3097                 if (tcg_tb_size < 0) {
3098                     tcg_tb_size = 0;
3099                 }
3100                 break;
3101             case QEMU_OPTION_icount:
3102                 icount_option = optarg;
3103                 break;
3104             case QEMU_OPTION_incoming:
3105                 incoming = optarg;
3106                 runstate_set(RUN_STATE_INMIGRATE);
3107                 break;
3108             case QEMU_OPTION_nodefaults:
3109                 default_serial = 0;
3110                 default_parallel = 0;
3111                 default_virtcon = 0;
3112                 default_monitor = 0;
3113                 default_net = 0;
3114                 default_floppy = 0;
3115                 default_cdrom = 0;
3116                 default_sdcard = 0;
3117                 vga_model = "none";
3118                 break;
3119             case QEMU_OPTION_xen_domid:
3120                 if (!(xen_available())) {
3121                     printf("Option %s not supported for this target\n", popt->name);
3122                     exit(1);
3123                 }
3124                 xen_domid = atoi(optarg);
3125                 break;
3126             case QEMU_OPTION_xen_create:
3127                 if (!(xen_available())) {
3128                     printf("Option %s not supported for this target\n", popt->name);
3129                     exit(1);
3130                 }
3131                 xen_mode = XEN_CREATE;
3132                 break;
3133             case QEMU_OPTION_xen_attach:
3134                 if (!(xen_available())) {
3135                     printf("Option %s not supported for this target\n", popt->name);
3136                     exit(1);
3137                 }
3138                 xen_mode = XEN_ATTACH;
3139                 break;
3140             case QEMU_OPTION_trace:
3141             {
3142                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3143                 if (!opts) {
3144                     exit(1);
3145                 }
3146                 trace_events = qemu_opt_get(opts, "events");
3147                 trace_file = qemu_opt_get(opts, "file");
3148                 break;
3149             }
3150             case QEMU_OPTION_readconfig:
3151                 {
3152                     int ret = qemu_read_config_file(optarg);
3153                     if (ret < 0) {
3154                         fprintf(stderr, "read config %s: %s\n", optarg,
3155                             strerror(-ret));
3156                         exit(1);
3157                     }
3158                     break;
3159                 }
3160             case QEMU_OPTION_spice:
3161                 olist = qemu_find_opts("spice");
3162                 if (!olist) {
3163                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3164                     exit(1);
3165                 }
3166                 opts = qemu_opts_parse(olist, optarg, 0);
3167                 if (!opts) {
3168                     fprintf(stderr, "parse error: %s\n", optarg);
3169                     exit(1);
3170                 }
3171                 break;
3172             case QEMU_OPTION_writeconfig:
3173                 {
3174                     FILE *fp;
3175                     if (strcmp(optarg, "-") == 0) {
3176                         fp = stdout;
3177                     } else {
3178                         fp = fopen(optarg, "w");
3179                         if (fp == NULL) {
3180                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3181                             exit(1);
3182                         }
3183                     }
3184                     qemu_config_write(fp);
3185                     fclose(fp);
3186                     break;
3187                 }
3188             case QEMU_OPTION_qtest:
3189                 qtest_chrdev = optarg;
3190                 break;
3191             case QEMU_OPTION_qtest_log:
3192                 qtest_log = optarg;
3193                 break;
3194             default:
3195                 os_parse_cmd_args(popt->index, optarg);
3196             }
3197         }
3198     }
3199     loc_set_none();
3200
3201     /* Init CPU def lists, based on config
3202      * - Must be called after all the qemu_read_config_file() calls
3203      * - Must be called before list_cpus()
3204      * - Must be called before machine->init()
3205      */
3206     cpudef_init();
3207
3208     if (cpu_model && *cpu_model == '?') {
3209         list_cpus(stdout, &fprintf, cpu_model);
3210         exit(0);
3211     }
3212
3213     /* Open the logfile at this point, if necessary. We can't open the logfile
3214      * when encountering either of the logging options (-d or -D) because the
3215      * other one may be encountered later on the command line, changing the
3216      * location or level of logging.
3217      */
3218     if (log_mask) {
3219         if (log_file) {
3220             set_cpu_log_filename(log_file);
3221         }
3222         set_cpu_log(log_mask);
3223     }
3224
3225     if (!trace_backend_init(trace_events, trace_file)) {
3226         exit(1);
3227     }
3228
3229     /* If no data_dir is specified then try to find it relative to the
3230        executable path.  */
3231     if (!data_dir) {
3232         data_dir = os_find_datadir(argv[0]);
3233     }
3234     /* If all else fails use the install path specified when building. */
3235     if (!data_dir) {
3236         data_dir = CONFIG_QEMU_DATADIR;
3237     }
3238
3239     if (machine == NULL) {
3240         fprintf(stderr, "No machine found.\n");
3241         exit(1);
3242     }
3243
3244     /*
3245      * Default to max_cpus = smp_cpus, in case the user doesn't
3246      * specify a max_cpus value.
3247      */
3248     if (!max_cpus)
3249         max_cpus = smp_cpus;
3250
3251     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3252     if (smp_cpus > machine->max_cpus) {
3253         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3254                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3255                 machine->max_cpus);
3256         exit(1);
3257     }
3258
3259     /*
3260      * Get the default machine options from the machine if it is not already
3261      * specified either by the configuration file or by the command line.
3262      */
3263     if (machine->default_machine_opts) {
3264         qemu_opts_set_defaults(qemu_find_opts("machine"),
3265                                machine->default_machine_opts, 0);
3266     }
3267
3268     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3269     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3270
3271     if (machine->no_serial) {
3272         default_serial = 0;
3273     }
3274     if (machine->no_parallel) {
3275         default_parallel = 0;
3276     }
3277     if (!machine->use_virtcon) {
3278         default_virtcon = 0;
3279     }
3280     if (machine->no_floppy) {
3281         default_floppy = 0;
3282     }
3283     if (machine->no_cdrom) {
3284         default_cdrom = 0;
3285     }
3286     if (machine->no_sdcard) {
3287         default_sdcard = 0;
3288     }
3289
3290     if (display_type == DT_NOGRAPHIC) {
3291         if (default_parallel)
3292             add_device_config(DEV_PARALLEL, "null");
3293         if (default_serial && default_monitor) {
3294             add_device_config(DEV_SERIAL, "mon:stdio");
3295         } else if (default_virtcon && default_monitor) {
3296             add_device_config(DEV_VIRTCON, "mon:stdio");
3297         } else {
3298             if (default_serial)
3299                 add_device_config(DEV_SERIAL, "stdio");
3300             if (default_virtcon)
3301                 add_device_config(DEV_VIRTCON, "stdio");
3302             if (default_monitor)
3303                 monitor_parse("stdio", "readline");
3304         }
3305     } else {
3306         if (default_serial)
3307             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3308         if (default_parallel)
3309             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3310         if (default_monitor)
3311             monitor_parse("vc:80Cx24C", "readline");
3312         if (default_virtcon)
3313             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3314     }
3315
3316     socket_init();
3317
3318     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3319         exit(1);
3320 #ifdef CONFIG_VIRTFS
3321     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3322         exit(1);
3323     }
3324 #endif
3325
3326     os_daemonize();
3327
3328     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3329         os_pidfile_error();
3330         exit(1);
3331     }
3332
3333     /* init the memory */
3334     if (ram_size == 0) {
3335         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3336     }
3337
3338     configure_accelerator();
3339
3340     qemu_init_cpu_loop();
3341     if (qemu_init_main_loop()) {
3342         fprintf(stderr, "qemu_init_main_loop failed\n");
3343         exit(1);
3344     }
3345
3346     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3347     if (machine_opts) {
3348         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3349         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3350         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3351     } else {
3352         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3353     }
3354
3355     if (!kernel_cmdline) {
3356         kernel_cmdline = "";
3357     }
3358
3359     linux_boot = (kernel_filename != NULL);
3360
3361     if (!linux_boot && *kernel_cmdline != '\0') {
3362         fprintf(stderr, "-append only allowed with -kernel option\n");
3363         exit(1);
3364     }
3365
3366     if (!linux_boot && initrd_filename != NULL) {
3367         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3368         exit(1);
3369     }
3370
3371     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3372         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3373         exit(1);
3374     }
3375
3376     os_set_line_buffering();
3377
3378     if (init_timer_alarm() < 0) {
3379         fprintf(stderr, "could not initialize alarm timer\n");
3380         exit(1);
3381     }
3382
3383 #ifdef CONFIG_SPICE
3384     /* spice needs the timers to be initialized by this point */
3385     qemu_spice_init();
3386 #endif
3387
3388     if (icount_option && (kvm_enabled() || xen_enabled())) {
3389         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3390         exit(1);
3391     }
3392     configure_icount(icount_option);
3393
3394     if (net_init_clients() < 0) {
3395         exit(1);
3396     }
3397
3398     /* init the bluetooth world */
3399     if (foreach_device_config(DEV_BT, bt_parse))
3400         exit(1);
3401
3402     if (!xen_enabled()) {
3403         /* On 32-bit hosts, QEMU is limited by virtual address space */
3404         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3405             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3406             exit(1);
3407         }
3408     }
3409
3410     cpu_exec_init_all();
3411
3412     bdrv_init_with_whitelist();
3413
3414     blk_mig_init();
3415
3416     /* open the virtual block devices */
3417     if (snapshot)
3418         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3419     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3420         exit(1);
3421
3422     default_drive(default_cdrom, snapshot, machine->use_scsi,
3423                   IF_DEFAULT, 2, CDROM_OPTS);
3424     default_drive(default_floppy, snapshot, machine->use_scsi,
3425                   IF_FLOPPY, 0, FD_OPTS);
3426     default_drive(default_sdcard, snapshot, machine->use_scsi,
3427                   IF_SD, 0, SD_OPTS);
3428
3429     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3430                          ram_load, NULL);
3431
3432     if (nb_numa_nodes > 0) {
3433         int i;
3434
3435         if (nb_numa_nodes > MAX_NODES) {
3436             nb_numa_nodes = MAX_NODES;
3437         }
3438
3439         /* If no memory size if given for any node, assume the default case
3440          * and distribute the available memory equally across all nodes
3441          */
3442         for (i = 0; i < nb_numa_nodes; i++) {
3443             if (node_mem[i] != 0)
3444                 break;
3445         }
3446         if (i == nb_numa_nodes) {
3447             uint64_t usedmem = 0;
3448
3449             /* On Linux, the each node's border has to be 8MB aligned,
3450              * the final node gets the rest.
3451              */
3452             for (i = 0; i < nb_numa_nodes - 1; i++) {
3453                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3454                 usedmem += node_mem[i];
3455             }
3456             node_mem[i] = ram_size - usedmem;
3457         }
3458
3459         for (i = 0; i < nb_numa_nodes; i++) {
3460             if (node_cpumask[i] != 0)
3461                 break;
3462         }
3463         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3464          * must cope with this anyway, because there are BIOSes out there in
3465          * real machines which also use this scheme.
3466          */
3467         if (i == nb_numa_nodes) {
3468             for (i = 0; i < max_cpus; i++) {
3469                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3470             }
3471         }
3472     }
3473
3474     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3475         exit(1);
3476     }
3477
3478     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3479         exit(1);
3480     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3481         exit(1);
3482     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3483         exit(1);
3484     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3485         exit(1);
3486
3487     /* must be after qdev registration but before machine init */
3488     if (vga_model) {
3489         select_vgahw(vga_model);
3490     } else if (cirrus_vga_available()) {
3491         select_vgahw("cirrus");
3492     } else {
3493         select_vgahw("none");
3494     }
3495
3496     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3497         exit(0);
3498
3499     if (watchdog) {
3500         i = select_watchdog(watchdog);
3501         if (i > 0)
3502             exit (i == 1 ? 1 : 0);
3503     }
3504
3505     if (machine->compat_props) {
3506         qdev_prop_register_global_list(machine->compat_props);
3507     }
3508     qemu_add_globals();
3509
3510     qdev_machine_init();
3511
3512     machine->init(ram_size, boot_devices,
3513                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3514
3515     cpu_synchronize_all_post_init();
3516
3517     set_numa_modes();
3518
3519     current_machine = machine;
3520
3521     /* init USB devices */
3522     if (usb_enabled) {
3523         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3524             exit(1);
3525     }
3526
3527     /* init generic devices */
3528     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3529         exit(1);
3530
3531     net_check_clients();
3532
3533     /* just use the first displaystate for the moment */
3534     ds = get_displaystate();
3535
3536     if (using_spice)
3537         display_remote++;
3538     if (display_type == DT_DEFAULT && !display_remote) {
3539 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3540         display_type = DT_SDL;
3541 #elif defined(CONFIG_VNC)
3542         vnc_display = "localhost:0,to=99";
3543         show_vnc_port = 1;
3544 #else
3545         display_type = DT_NONE;
3546 #endif
3547     }
3548
3549
3550     /* init local displays */
3551     switch (display_type) {
3552     case DT_NOGRAPHIC:
3553         break;
3554 #if defined(CONFIG_CURSES)
3555     case DT_CURSES:
3556         curses_display_init(ds, full_screen);
3557         break;
3558 #endif
3559 #if defined(CONFIG_SDL)
3560     case DT_SDL:
3561         sdl_display_init(ds, full_screen, no_frame);
3562         break;
3563 #elif defined(CONFIG_COCOA)
3564     case DT_SDL:
3565         cocoa_display_init(ds, full_screen);
3566         break;
3567 #endif
3568     default:
3569         break;
3570     }
3571
3572     /* must be after terminal init, SDL library changes signal handlers */
3573     os_setup_signal_handling();
3574
3575 #ifdef CONFIG_VNC
3576     /* init remote displays */
3577     if (vnc_display) {
3578         vnc_display_init(ds);
3579         if (vnc_display_open(ds, vnc_display) < 0)
3580             exit(1);
3581
3582         if (show_vnc_port) {
3583             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3584         }
3585     }
3586 #endif
3587 #ifdef CONFIG_SPICE
3588     if (using_spice && !qxl_enabled) {
3589         qemu_spice_display_init(ds);
3590     }
3591 #endif
3592
3593     /* display setup */
3594     dpy_resize(ds);
3595     dcl = ds->listeners;
3596     while (dcl != NULL) {
3597         if (dcl->dpy_refresh != NULL) {
3598             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3599             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3600             break;
3601         }
3602         dcl = dcl->next;
3603     }
3604     text_consoles_set_display(ds);
3605
3606     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3607         exit(1);
3608     }
3609
3610     qdev_machine_creation_done();
3611
3612     if (rom_load_all() != 0) {
3613         fprintf(stderr, "rom loading failed\n");
3614         exit(1);
3615     }
3616
3617     /* TODO: once all bus devices are qdevified, this should be done
3618      * when bus is created by qdev.c */
3619     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3620     qemu_run_machine_init_done_notifiers();
3621
3622     qemu_system_reset(VMRESET_SILENT);
3623     if (loadvm) {
3624         if (load_vmstate(loadvm) < 0) {
3625             autostart = 0;
3626         }
3627     }
3628
3629     if (incoming) {
3630         int ret = qemu_start_incoming_migration(incoming);
3631         if (ret < 0) {
3632             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3633                     incoming, ret);
3634             exit(ret);
3635         }
3636     } else if (autostart) {
3637         vm_start();
3638     }
3639
3640     os_setup_post();
3641
3642     resume_all_vcpus();
3643     main_loop();
3644     bdrv_close_all();
3645     pause_all_vcpus();
3646     net_cleanup();
3647     res_free();
3648
3649     return 0;
3650 }