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_DEBUG, RUN_STATE_SUSPENDED },
 370     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 371     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 372     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 373
 374     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 375     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 376
 377     { RUN_STATE_MAX, RUN_STATE_MAX },
 378 };
 379
 380 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 381
 382 bool runstate_check(RunState state)
 383 {
 384     return current_run_state == state;
 385 }
 386
 387 void runstate_init(void)
 388 {
 389     const RunStateTransition *p;
 390
 391     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 392
 393     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 394         runstate_valid_transitions[p->from][p->to] = true;
 395     }
 396 }
 397
 398 /* This function will abort() on invalid state transitions */
 399 void runstate_set(RunState new_state)
 400 {
 401     assert(new_state < RUN_STATE_MAX);
 402
 403     if (!runstate_valid_transitions[current_run_state][new_state]) {
 404         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 405                 RunState_lookup[current_run_state],
 406                 RunState_lookup[new_state]);
 407         abort();
 408     }
 409
 410     current_run_state = new_state;
 411 }
 412
 413 int runstate_is_running(void)
 414 {
 415     return runstate_check(RUN_STATE_RUNNING);
 416 }
 417
 418 StatusInfo *qmp_query_status(Error **errp)
 419 {
 420     StatusInfo *info = g_malloc0(sizeof(*info));
 421
 422     info->running = runstate_is_running();
 423     info->singlestep = singlestep;
 424     info->status = current_run_state;
 425
 426     return info;
 427 }
 428
 429 /***********************************************************/
 430 /* real time host monotonic timer */
 431
 432 /***********************************************************/
 433 /* host time/date access */
 434 void qemu_get_timedate(struct tm *tm, int offset)
 435 {
 436     time_t ti;
 437     struct tm *ret;
 438
 439     time(&ti);
 440     ti += offset;
 441     if (rtc_date_offset == -1) {
 442         if (rtc_utc)
 443             ret = gmtime(&ti);
 444         else
 445             ret = localtime(&ti);
 446     } else {
 447         ti -= rtc_date_offset;
 448         ret = gmtime(&ti);
 449     }
 450
 451     memcpy(tm, ret, sizeof(struct tm));
 452 }
 453
 454 int qemu_timedate_diff(struct tm *tm)
 455 {
 456     time_t seconds;
 457
 458     if (rtc_date_offset == -1)
 459         if (rtc_utc)
 460             seconds = mktimegm(tm);
 461         else {
 462             struct tm tmp = *tm;
 463             tmp.tm_isdst = -1; /* use timezone to figure it out */
 464             seconds = mktime(&tmp);
 465         }
 466     else
 467         seconds = mktimegm(tm) + rtc_date_offset;
 468
 469     return seconds - time(NULL);
 470 }
 471
 472 void rtc_change_mon_event(struct tm *tm)
 473 {
 474     QObject *data;
 475
 476     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 477     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 478     qobject_decref(data);
 479 }
 480
 481 static void configure_rtc_date_offset(const char *startdate, int legacy)
 482 {
 483     time_t rtc_start_date;
 484     struct tm tm;
 485
 486     if (!strcmp(startdate, "now") && legacy) {
 487         rtc_date_offset = -1;
 488     } else {
 489         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 490                    &tm.tm_year,
 491                    &tm.tm_mon,
 492                    &tm.tm_mday,
 493                    &tm.tm_hour,
 494                    &tm.tm_min,
 495                    &tm.tm_sec) == 6) {
 496             /* OK */
 497         } else if (sscanf(startdate, "%d-%d-%d",
 498                           &tm.tm_year,
 499                           &tm.tm_mon,
 500                           &tm.tm_mday) == 3) {
 501             tm.tm_hour = 0;
 502             tm.tm_min = 0;
 503             tm.tm_sec = 0;
 504         } else {
 505             goto date_fail;
 506         }
 507         tm.tm_year -= 1900;
 508         tm.tm_mon--;
 509         rtc_start_date = mktimegm(&tm);
 510         if (rtc_start_date == -1) {
 511         date_fail:
 512             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 513                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 514             exit(1);
 515         }
 516         rtc_date_offset = time(NULL) - rtc_start_date;
 517     }
 518 }
 519
 520 static void configure_rtc(QemuOpts *opts)
 521 {
 522     const char *value;
 523
 524     value = qemu_opt_get(opts, "base");
 525     if (value) {
 526         if (!strcmp(value, "utc")) {
 527             rtc_utc = 1;
 528         } else if (!strcmp(value, "localtime")) {
 529             rtc_utc = 0;
 530         } else {
 531             configure_rtc_date_offset(value, 0);
 532         }
 533     }
 534     value = qemu_opt_get(opts, "clock");
 535     if (value) {
 536         if (!strcmp(value, "host")) {
 537             rtc_clock = host_clock;
 538         } else if (!strcmp(value, "rt")) {
 539             rtc_clock = rt_clock;
 540         } else if (!strcmp(value, "vm")) {
 541             rtc_clock = vm_clock;
 542         } else {
 543             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 544             exit(1);
 545         }
 546     }
 547     value = qemu_opt_get(opts, "driftfix");
 548     if (value) {
 549         if (!strcmp(value, "slew")) {
 550             static GlobalProperty slew_lost_ticks[] = {
 551                 {
 552                     .driver   = "mc146818rtc",
 553                     .property = "lost_tick_policy",
 554                     .value    = "slew",
 555                 },
 556                 { /* end of list */ }
 557             };
 558
 559             qdev_prop_register_global_list(slew_lost_ticks);
 560         } else if (!strcmp(value, "none")) {
 561             /* discard is default */
 562         } else {
 563             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 564             exit(1);
 565         }
 566     }
 567 }
 568
 569 /***********************************************************/
 570 /* Bluetooth support */
 571 static int nb_hcis;
 572 static int cur_hci;
 573 static struct HCIInfo *hci_table[MAX_NICS];
 574
 575 static struct bt_vlan_s {
 576     struct bt_scatternet_s net;
 577     int id;
 578     struct bt_vlan_s *next;
 579 } *first_bt_vlan;
 580
 581 /* find or alloc a new bluetooth "VLAN" */
 582 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 583 {
 584     struct bt_vlan_s **pvlan, *vlan;
 585     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 586         if (vlan->id == id)
 587             return &vlan->net;
 588     }
 589     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 590     vlan->id = id;
 591     pvlan = &first_bt_vlan;
 592     while (*pvlan != NULL)
 593         pvlan = &(*pvlan)->next;
 594     *pvlan = vlan;
 595     return &vlan->net;
 596 }
 597
 598 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 599 {
 600 }
 601
 602 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 603 {
 604     return -ENOTSUP;
 605 }
 606
 607 static struct HCIInfo null_hci = {
 608     .cmd_send = null_hci_send,
 609     .sco_send = null_hci_send,
 610     .acl_send = null_hci_send,
 611     .bdaddr_set = null_hci_addr_set,
 612 };
 613
 614 struct HCIInfo *qemu_next_hci(void)
 615 {
 616     if (cur_hci == nb_hcis)
 617         return &null_hci;
 618
 619     return hci_table[cur_hci++];
 620 }
 621
 622 static struct HCIInfo *hci_init(const char *str)
 623 {
 624     char *endp;
 625     struct bt_scatternet_s *vlan = 0;
 626
 627     if (!strcmp(str, "null"))
 628         /* null */
 629         return &null_hci;
 630     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 631         /* host[:hciN] */
 632         return bt_host_hci(str[4] ? str + 5 : "hci0");
 633     else if (!strncmp(str, "hci", 3)) {
 634         /* hci[,vlan=n] */
 635         if (str[3]) {
 636             if (!strncmp(str + 3, ",vlan=", 6)) {
 637                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 638                 if (*endp)
 639                     vlan = 0;
 640             }
 641         } else
 642             vlan = qemu_find_bt_vlan(0);
 643         if (vlan)
 644            return bt_new_hci(vlan);
 645     }
 646
 647     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 648
 649     return 0;
 650 }
 651
 652 static int bt_hci_parse(const char *str)
 653 {
 654     struct HCIInfo *hci;
 655     bdaddr_t bdaddr;
 656
 657     if (nb_hcis >= MAX_NICS) {
 658         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 659         return -1;
 660     }
 661
 662     hci = hci_init(str);
 663     if (!hci)
 664         return -1;
 665
 666     bdaddr.b[0] = 0x52;
 667     bdaddr.b[1] = 0x54;
 668     bdaddr.b[2] = 0x00;
 669     bdaddr.b[3] = 0x12;
 670     bdaddr.b[4] = 0x34;
 671     bdaddr.b[5] = 0x56 + nb_hcis;
 672     hci->bdaddr_set(hci, bdaddr.b);
 673
 674     hci_table[nb_hcis++] = hci;
 675
 676     return 0;
 677 }
 678
 679 static void bt_vhci_add(int vlan_id)
 680 {
 681     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 682
 683     if (!vlan->slave)
 684         fprintf(stderr, "qemu: warning: adding a VHCI to "
 685                         "an empty scatternet %i\n", vlan_id);
 686
 687     bt_vhci_init(bt_new_hci(vlan));
 688 }
 689
 690 static struct bt_device_s *bt_device_add(const char *opt)
 691 {
 692     struct bt_scatternet_s *vlan;
 693     int vlan_id = 0;
 694     char *endp = strstr(opt, ",vlan=");
 695     int len = (endp ? endp - opt : strlen(opt)) + 1;
 696     char devname[10];
 697
 698     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 699
 700     if (endp) {
 701         vlan_id = strtol(endp + 6, &endp, 0);
 702         if (*endp) {
 703             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 704             return 0;
 705         }
 706     }
 707
 708     vlan = qemu_find_bt_vlan(vlan_id);
 709
 710     if (!vlan->slave)
 711         fprintf(stderr, "qemu: warning: adding a slave device to "
 712                         "an empty scatternet %i\n", vlan_id);
 713
 714     if (!strcmp(devname, "keyboard"))
 715         return bt_keyboard_init(vlan);
 716
 717     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 718     return 0;
 719 }
 720
 721 static int bt_parse(const char *opt)
 722 {
 723     const char *endp, *p;
 724     int vlan;
 725
 726     if (strstart(opt, "hci", &endp)) {
 727         if (!*endp || *endp == ',') {
 728             if (*endp)
 729                 if (!strstart(endp, ",vlan=", 0))
 730                     opt = endp + 1;
 731
 732             return bt_hci_parse(opt);
 733        }
 734     } else if (strstart(opt, "vhci", &endp)) {
 735         if (!*endp || *endp == ',') {
 736             if (*endp) {
 737                 if (strstart(endp, ",vlan=", &p)) {
 738                     vlan = strtol(p, (char **) &endp, 0);
 739                     if (*endp) {
 740                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 741                         return 1;
 742                     }
 743                 } else {
 744                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 745                     return 1;
 746                 }
 747             } else
 748                 vlan = 0;
 749
 750             bt_vhci_add(vlan);
 751             return 0;
 752         }
 753     } else if (strstart(opt, "device:", &endp))
 754         return !bt_device_add(endp);
 755
 756     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 757     return 1;
 758 }
 759
 760 /***********************************************************/
 761 /* QEMU Block devices */
 762
 763 #define HD_OPTS "media=disk"
 764 #define CDROM_OPTS "media=cdrom"
 765 #define FD_OPTS ""
 766 #define PFLASH_OPTS ""
 767 #define MTD_OPTS ""
 768 #define SD_OPTS ""
 769
 770 static int drive_init_func(QemuOpts *opts, void *opaque)
 771 {
 772     int *use_scsi = opaque;
 773
 774     return drive_init(opts, *use_scsi) == NULL;
 775 }
 776
 777 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 778 {
 779     if (NULL == qemu_opt_get(opts, "snapshot")) {
 780         qemu_opt_set(opts, "snapshot", "on");
 781     }
 782     return 0;
 783 }
 784
 785 static void default_drive(int enable, int snapshot, int use_scsi,
 786                           BlockInterfaceType type, int index,
 787                           const char *optstr)
 788 {
 789     QemuOpts *opts;
 790
 791     if (type == IF_DEFAULT) {
 792         type = use_scsi ? IF_SCSI : IF_IDE;
 793     }
 794
 795     if (!enable || drive_get_by_index(type, index)) {
 796         return;
 797     }
 798
 799     opts = drive_add(type, index, NULL, optstr);
 800     if (snapshot) {
 801         drive_enable_snapshot(opts, NULL);
 802     }
 803     if (!drive_init(opts, use_scsi)) {
 804         exit(1);
 805     }
 806 }
 807
 808 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 809 {
 810     boot_set_handler = func;
 811     boot_set_opaque = opaque;
 812 }
 813
 814 int qemu_boot_set(const char *boot_devices)
 815 {
 816     if (!boot_set_handler) {
 817         return -EINVAL;
 818     }
 819     return boot_set_handler(boot_set_opaque, boot_devices);
 820 }
 821
 822 static void validate_bootdevices(char *devices)
 823 {
 824     /* We just do some generic consistency checks */
 825     const char *p;
 826     int bitmap = 0;
 827
 828     for (p = devices; *p != '\0'; p++) {
 829         /* Allowed boot devices are:
 830          * a-b: floppy disk drives
 831          * c-f: IDE disk drives
 832          * g-m: machine implementation dependent drives
 833          * n-p: network devices
 834          * It's up to each machine implementation to check if the given boot
 835          * devices match the actual hardware implementation and firmware
 836          * features.
 837          */
 838         if (*p < 'a' || *p > 'p') {
 839             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 840             exit(1);
 841         }
 842         if (bitmap & (1 << (*p - 'a'))) {
 843             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 844             exit(1);
 845         }
 846         bitmap |= 1 << (*p - 'a');
 847     }
 848 }
 849
 850 static void restore_boot_devices(void *opaque)
 851 {
 852     char *standard_boot_devices = opaque;
 853     static int first = 1;
 854
 855     /* Restore boot order and remove ourselves after the first boot */
 856     if (first) {
 857         first = 0;
 858         return;
 859     }
 860
 861     qemu_boot_set(standard_boot_devices);
 862
 863     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 864     g_free(standard_boot_devices);
 865 }
 866
 867 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 868                           const char *suffix)
 869 {
 870     FWBootEntry *node, *i;
 871
 872     if (bootindex < 0) {
 873         return;
 874     }
 875
 876     assert(dev != NULL || suffix != NULL);
 877
 878     node = g_malloc0(sizeof(FWBootEntry));
 879     node->bootindex = bootindex;
 880     node->suffix = suffix ? g_strdup(suffix) : NULL;
 881     node->dev = dev;
 882
 883     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 884         if (i->bootindex == bootindex) {
 885             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 886             exit(1);
 887         } else if (i->bootindex < bootindex) {
 888             continue;
 889         }
 890         QTAILQ_INSERT_BEFORE(i, node, link);
 891         return;
 892     }
 893     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 894 }
 895
 896 /*
 897  * This function returns null terminated string that consist of new line
 898  * separated device paths.
 899  *
 900  * memory pointed by "size" is assigned total length of the array in bytes
 901  *
 902  */
 903 char *get_boot_devices_list(uint32_t *size)
 904 {
 905     FWBootEntry *i;
 906     uint32_t total = 0;
 907     char *list = NULL;
 908
 909     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 910         char *devpath = NULL, *bootpath;
 911         int len;
 912
 913         if (i->dev) {
 914             devpath = qdev_get_fw_dev_path(i->dev);
 915             assert(devpath);
 916         }
 917
 918         if (i->suffix && devpath) {
 919             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 920
 921             bootpath = g_malloc(bootpathlen);
 922             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 923             g_free(devpath);
 924         } else if (devpath) {
 925             bootpath = devpath;
 926         } else {
 927             assert(i->suffix);
 928             bootpath = g_strdup(i->suffix);
 929         }
 930
 931         if (total) {
 932             list[total-1] = '\n';
 933         }
 934         len = strlen(bootpath) + 1;
 935         list = g_realloc(list, total + len);
 936         memcpy(&list[total], bootpath, len);
 937         total += len;
 938         g_free(bootpath);
 939     }
 940
 941     *size = total;
 942
 943     return list;
 944 }
 945
 946 static void numa_add(const char *optarg)
 947 {
 948     char option[128];
 949     char *endptr;
 950     unsigned long long value, endvalue;
 951     int nodenr;
 952
 953     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 954     if (!strcmp(option, "node")) {
 955         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 956             nodenr = nb_numa_nodes;
 957         } else {
 958             nodenr = strtoull(option, NULL, 10);
 959         }
 960
 961         if (get_param_value(option, 128, "mem", optarg) == 0) {
 962             node_mem[nodenr] = 0;
 963         } else {
 964             int64_t sval;
 965             sval = strtosz(option, &endptr);
 966             if (sval < 0 || *endptr) {
 967                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 968                 exit(1);
 969             }
 970             node_mem[nodenr] = sval;
 971         }
 972         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 973             node_cpumask[nodenr] = 0;
 974         } else {
 975             value = strtoull(option, &endptr, 10);
 976             if (value >= 64) {
 977                 value = 63;
 978                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 979             } else {
 980                 if (*endptr == '-') {
 981                     endvalue = strtoull(endptr+1, &endptr, 10);
 982                     if (endvalue >= 63) {
 983                         endvalue = 62;
 984                         fprintf(stderr,
 985                             "only 63 CPUs in NUMA mode supported.\n");
 986                     }
 987                     value = (2ULL << endvalue) - (1ULL << value);
 988                 } else {
 989                     value = 1ULL << value;
 990                 }
 991             }
 992             node_cpumask[nodenr] = value;
 993         }
 994         nb_numa_nodes++;
 995     }
 996     return;
 997 }
 998
 999 static void smp_parse(const char *optarg)
1000 {
1001     int smp, sockets = 0, threads = 0, cores = 0;
1002     char *endptr;
1003     char option[128];
1004
1005     smp = strtoul(optarg, &endptr, 10);
1006     if (endptr != optarg) {
1007         if (*endptr == ',') {
1008             endptr++;
1009         }
1010     }
1011     if (get_param_value(option, 128, "sockets", endptr) != 0)
1012         sockets = strtoull(option, NULL, 10);
1013     if (get_param_value(option, 128, "cores", endptr) != 0)
1014         cores = strtoull(option, NULL, 10);
1015     if (get_param_value(option, 128, "threads", endptr) != 0)
1016         threads = strtoull(option, NULL, 10);
1017     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1018         max_cpus = strtoull(option, NULL, 10);
1019
1020     /* compute missing values, prefer sockets over cores over threads */
1021     if (smp == 0 || sockets == 0) {
1022         sockets = sockets > 0 ? sockets : 1;
1023         cores = cores > 0 ? cores : 1;
1024         threads = threads > 0 ? threads : 1;
1025         if (smp == 0) {
1026             smp = cores * threads * sockets;
1027         }
1028     } else {
1029         if (cores == 0) {
1030             threads = threads > 0 ? threads : 1;
1031             cores = smp / (sockets * threads);
1032         } else {
1033             threads = smp / (cores * sockets);
1034         }
1035     }
1036     smp_cpus = smp;
1037     smp_cores = cores > 0 ? cores : 1;
1038     smp_threads = threads > 0 ? threads : 1;
1039     if (max_cpus == 0)
1040         max_cpus = smp_cpus;
1041 }
1042
1043 /***********************************************************/
1044 /* USB devices */
1045
1046 static int usb_device_add(const char *devname)
1047 {
1048     const char *p;
1049     USBDevice *dev = NULL;
1050
1051     if (!usb_enabled)
1052         return -1;
1053
1054     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1055     dev = usbdevice_create(devname);
1056     if (dev)
1057         goto done;
1058
1059     /* the other ones */
1060 #ifndef CONFIG_LINUX
1061     /* only the linux version is qdev-ified, usb-bsd still needs this */
1062     if (strstart(devname, "host:", &p)) {
1063         dev = usb_host_device_open(usb_bus_find(-1), p);
1064     } else
1065 #endif
1066     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1067         dev = usb_bt_init(usb_bus_find(-1),
1068                           devname[2] ? hci_init(p)
1069                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1070     } else {
1071         return -1;
1072     }
1073     if (!dev)
1074         return -1;
1075
1076 done:
1077     return 0;
1078 }
1079
1080 static int usb_device_del(const char *devname)
1081 {
1082     int bus_num, addr;
1083     const char *p;
1084
1085     if (strstart(devname, "host:", &p))
1086         return usb_host_device_close(p);
1087
1088     if (!usb_enabled)
1089         return -1;
1090
1091     p = strchr(devname, '.');
1092     if (!p)
1093         return -1;
1094     bus_num = strtoul(devname, NULL, 0);
1095     addr = strtoul(p + 1, NULL, 0);
1096
1097     return usb_device_delete_addr(bus_num, addr);
1098 }
1099
1100 static int usb_parse(const char *cmdline)
1101 {
1102     int r;
1103     r = usb_device_add(cmdline);
1104     if (r < 0) {
1105         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1106     }
1107     return r;
1108 }
1109
1110 void do_usb_add(Monitor *mon, const QDict *qdict)
1111 {
1112     const char *devname = qdict_get_str(qdict, "devname");
1113     if (usb_device_add(devname) < 0) {
1114         error_report("could not add USB device '%s'", devname);
1115     }
1116 }
1117
1118 void do_usb_del(Monitor *mon, const QDict *qdict)
1119 {
1120     const char *devname = qdict_get_str(qdict, "devname");
1121     if (usb_device_del(devname) < 0) {
1122         error_report("could not delete USB device '%s'", devname);
1123     }
1124 }
1125
1126 /***********************************************************/
1127 /* PCMCIA/Cardbus */
1128
1129 static struct pcmcia_socket_entry_s {
1130     PCMCIASocket *socket;
1131     struct pcmcia_socket_entry_s *next;
1132 } *pcmcia_sockets = 0;
1133
1134 void pcmcia_socket_register(PCMCIASocket *socket)
1135 {
1136     struct pcmcia_socket_entry_s *entry;
1137
1138     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1139     entry->socket = socket;
1140     entry->next = pcmcia_sockets;
1141     pcmcia_sockets = entry;
1142 }
1143
1144 void pcmcia_socket_unregister(PCMCIASocket *socket)
1145 {
1146     struct pcmcia_socket_entry_s *entry, **ptr;
1147
1148     ptr = &pcmcia_sockets;
1149     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1150         if (entry->socket == socket) {
1151             *ptr = entry->next;
1152             g_free(entry);
1153         }
1154 }
1155
1156 void pcmcia_info(Monitor *mon)
1157 {
1158     struct pcmcia_socket_entry_s *iter;
1159
1160     if (!pcmcia_sockets)
1161         monitor_printf(mon, "No PCMCIA sockets\n");
1162
1163     for (iter = pcmcia_sockets; iter; iter = iter->next)
1164         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1165                        iter->socket->attached ? iter->socket->card_string :
1166                        "Empty");
1167 }
1168
1169 /***********************************************************/
1170 /* machine registration */
1171
1172 static QEMUMachine *first_machine = NULL;
1173 QEMUMachine *current_machine = NULL;
1174
1175 int qemu_register_machine(QEMUMachine *m)
1176 {
1177     QEMUMachine **pm;
1178     pm = &first_machine;
1179     while (*pm != NULL)
1180         pm = &(*pm)->next;
1181     m->next = NULL;
1182     *pm = m;
1183     return 0;
1184 }
1185
1186 static QEMUMachine *find_machine(const char *name)
1187 {
1188     QEMUMachine *m;
1189
1190     for(m = first_machine; m != NULL; m = m->next) {
1191         if (!strcmp(m->name, name))
1192             return m;
1193         if (m->alias && !strcmp(m->alias, name))
1194             return m;
1195     }
1196     return NULL;
1197 }
1198
1199 QEMUMachine *find_default_machine(void)
1200 {
1201     QEMUMachine *m;
1202
1203     for(m = first_machine; m != NULL; m = m->next) {
1204         if (m->is_default) {
1205             return m;
1206         }
1207     }
1208     return NULL;
1209 }
1210
1211 /***********************************************************/
1212 /* main execution loop */
1213
1214 static void gui_update(void *opaque)
1215 {
1216     uint64_t interval = GUI_REFRESH_INTERVAL;
1217     DisplayState *ds = opaque;
1218     DisplayChangeListener *dcl = ds->listeners;
1219
1220     dpy_refresh(ds);
1221
1222     while (dcl != NULL) {
1223         if (dcl->gui_timer_interval &&
1224             dcl->gui_timer_interval < interval)
1225             interval = dcl->gui_timer_interval;
1226         dcl = dcl->next;
1227     }
1228     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1229 }
1230
1231 struct vm_change_state_entry {
1232     VMChangeStateHandler *cb;
1233     void *opaque;
1234     QLIST_ENTRY (vm_change_state_entry) entries;
1235 };
1236
1237 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1238
1239 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1240                                                      void *opaque)
1241 {
1242     VMChangeStateEntry *e;
1243
1244     e = g_malloc0(sizeof (*e));
1245
1246     e->cb = cb;
1247     e->opaque = opaque;
1248     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1249     return e;
1250 }
1251
1252 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1253 {
1254     QLIST_REMOVE (e, entries);
1255     g_free (e);
1256 }
1257
1258 void vm_state_notify(int running, RunState state)
1259 {
1260     VMChangeStateEntry *e;
1261
1262     trace_vm_state_notify(running, state);
1263
1264     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1265         e->cb(e->opaque, running, state);
1266     }
1267 }
1268
1269 void vm_start(void)
1270 {
1271     if (!runstate_is_running()) {
1272         cpu_enable_ticks();
1273         runstate_set(RUN_STATE_RUNNING);
1274         vm_state_notify(1, RUN_STATE_RUNNING);
1275         resume_all_vcpus();
1276         monitor_protocol_event(QEVENT_RESUME, NULL);
1277     }
1278 }
1279
1280 /* reset/shutdown handler */
1281
1282 typedef struct QEMUResetEntry {
1283     QTAILQ_ENTRY(QEMUResetEntry) entry;
1284     QEMUResetHandler *func;
1285     void *opaque;
1286 } QEMUResetEntry;
1287
1288 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1289     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1290 static int reset_requested;
1291 static int shutdown_requested, shutdown_signal = -1;
1292 static pid_t shutdown_pid;
1293 static int powerdown_requested;
1294 static int debug_requested;
1295 static int suspend_requested;
1296 static bool is_suspended;
1297 static NotifierList suspend_notifiers =
1298     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1299 static NotifierList wakeup_notifiers =
1300     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1301 static uint32_t wakeup_reason_mask = ~0;
1302 static RunState vmstop_requested = RUN_STATE_MAX;
1303
1304 int qemu_shutdown_requested_get(void)
1305 {
1306     return shutdown_requested;
1307 }
1308
1309 int qemu_reset_requested_get(void)
1310 {
1311     return reset_requested;
1312 }
1313
1314 int qemu_shutdown_requested(void)
1315 {
1316     int r = shutdown_requested;
1317     shutdown_requested = 0;
1318     return r;
1319 }
1320
1321 void qemu_kill_report(void)
1322 {
1323     if (!qtest_enabled() && shutdown_signal != -1) {
1324         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1325         if (shutdown_pid == 0) {
1326             /* This happens for eg ^C at the terminal, so it's worth
1327              * avoiding printing an odd message in that case.
1328              */
1329             fputc('\n', stderr);
1330         } else {
1331             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1332         }
1333         shutdown_signal = -1;
1334     }
1335 }
1336
1337 int qemu_reset_requested(void)
1338 {
1339     int r = reset_requested;
1340     reset_requested = 0;
1341     return r;
1342 }
1343
1344 static int qemu_suspend_requested(void)
1345 {
1346     int r = suspend_requested;
1347     suspend_requested = 0;
1348     return r;
1349 }
1350
1351 int qemu_powerdown_requested(void)
1352 {
1353     int r = powerdown_requested;
1354     powerdown_requested = 0;
1355     return r;
1356 }
1357
1358 static int qemu_debug_requested(void)
1359 {
1360     int r = debug_requested;
1361     debug_requested = 0;
1362     return r;
1363 }
1364
1365 /* We use RUN_STATE_MAX but any invalid value will do */
1366 static bool qemu_vmstop_requested(RunState *r)
1367 {
1368     if (vmstop_requested < RUN_STATE_MAX) {
1369         *r = vmstop_requested;
1370         vmstop_requested = RUN_STATE_MAX;
1371         return true;
1372     }
1373
1374     return false;
1375 }
1376
1377 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1378 {
1379     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1380
1381     re->func = func;
1382     re->opaque = opaque;
1383     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1384 }
1385
1386 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1387 {
1388     QEMUResetEntry *re;
1389
1390     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1391         if (re->func == func && re->opaque == opaque) {
1392             QTAILQ_REMOVE(&reset_handlers, re, entry);
1393             g_free(re);
1394             return;
1395         }
1396     }
1397 }
1398
1399 void qemu_system_reset(bool report)
1400 {
1401     QEMUResetEntry *re, *nre;
1402
1403     /* reset all devices */
1404     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1405         re->func(re->opaque);
1406     }
1407     if (report) {
1408         monitor_protocol_event(QEVENT_RESET, NULL);
1409     }
1410     cpu_synchronize_all_post_reset();
1411 }
1412
1413 void qemu_system_reset_request(void)
1414 {
1415     if (no_reboot) {
1416         shutdown_requested = 1;
1417     } else {
1418         reset_requested = 1;
1419     }
1420     cpu_stop_current();
1421     qemu_notify_event();
1422 }
1423
1424 static void qemu_system_suspend(void)
1425 {
1426     pause_all_vcpus();
1427     notifier_list_notify(&suspend_notifiers, NULL);
1428     runstate_set(RUN_STATE_SUSPENDED);
1429     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1430     is_suspended = true;
1431 }
1432
1433 void qemu_system_suspend_request(void)
1434 {
1435     if (is_suspended) {
1436         return;
1437     }
1438     suspend_requested = 1;
1439     cpu_stop_current();
1440     qemu_notify_event();
1441 }
1442
1443 void qemu_register_suspend_notifier(Notifier *notifier)
1444 {
1445     notifier_list_add(&suspend_notifiers, notifier);
1446 }
1447
1448 void qemu_system_wakeup_request(WakeupReason reason)
1449 {
1450     if (!is_suspended) {
1451         return;
1452     }
1453     if (!(wakeup_reason_mask & (1 << reason))) {
1454         return;
1455     }
1456     runstate_set(RUN_STATE_RUNNING);
1457     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1458     notifier_list_notify(&wakeup_notifiers, &reason);
1459     reset_requested = 1;
1460     qemu_notify_event();
1461     is_suspended = false;
1462 }
1463
1464 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1465 {
1466     if (enabled) {
1467         wakeup_reason_mask |= (1 << reason);
1468     } else {
1469         wakeup_reason_mask &= ~(1 << reason);
1470     }
1471 }
1472
1473 void qemu_register_wakeup_notifier(Notifier *notifier)
1474 {
1475     notifier_list_add(&wakeup_notifiers, notifier);
1476 }
1477
1478 void qemu_system_killed(int signal, pid_t pid)
1479 {
1480     shutdown_signal = signal;
1481     shutdown_pid = pid;
1482     no_shutdown = 0;
1483     qemu_system_shutdown_request();
1484 }
1485
1486 void qemu_system_shutdown_request(void)
1487 {
1488     shutdown_requested = 1;
1489     qemu_notify_event();
1490 }
1491
1492 void qemu_system_powerdown_request(void)
1493 {
1494     powerdown_requested = 1;
1495     qemu_notify_event();
1496 }
1497
1498 void qemu_system_debug_request(void)
1499 {
1500     debug_requested = 1;
1501     qemu_notify_event();
1502 }
1503
1504 void qemu_system_vmstop_request(RunState state)
1505 {
1506     vmstop_requested = state;
1507     qemu_notify_event();
1508 }
1509
1510 qemu_irq qemu_system_powerdown;
1511
1512 static bool main_loop_should_exit(void)
1513 {
1514     RunState r;
1515     if (qemu_debug_requested()) {
1516         vm_stop(RUN_STATE_DEBUG);
1517     }
1518     if (qemu_suspend_requested()) {
1519         qemu_system_suspend();
1520     }
1521     if (qemu_shutdown_requested()) {
1522         qemu_kill_report();
1523         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1524         if (no_shutdown) {
1525             vm_stop(RUN_STATE_SHUTDOWN);
1526         } else {
1527             return true;
1528         }
1529     }
1530     if (qemu_reset_requested()) {
1531         pause_all_vcpus();
1532         cpu_synchronize_all_states();
1533         qemu_system_reset(VMRESET_REPORT);
1534         resume_all_vcpus();
1535         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1536             runstate_check(RUN_STATE_SHUTDOWN)) {
1537             runstate_set(RUN_STATE_PAUSED);
1538         }
1539     }
1540     if (qemu_powerdown_requested()) {
1541         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1542         qemu_irq_raise(qemu_system_powerdown);
1543     }
1544     if (qemu_vmstop_requested(&r)) {
1545         vm_stop(r);
1546     }
1547     return false;
1548 }
1549
1550 static void main_loop(void)
1551 {
1552     bool nonblocking;
1553     int last_io = 0;
1554 #ifdef CONFIG_PROFILER
1555     int64_t ti;
1556 #endif
1557     do {
1558         nonblocking = !kvm_enabled() && last_io > 0;
1559 #ifdef CONFIG_PROFILER
1560         ti = profile_getclock();
1561 #endif
1562         last_io = main_loop_wait(nonblocking);
1563 #ifdef CONFIG_PROFILER
1564         dev_time += profile_getclock() - ti;
1565 #endif
1566     } while (!main_loop_should_exit());
1567 }
1568
1569 static void version(void)
1570 {
1571     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1572 }
1573
1574 static void help(int exitcode)
1575 {
1576     version();
1577     printf("usage: %s [options] [disk_image]\n\n"
1578            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1579             error_get_progname());
1580
1581 #define QEMU_OPTIONS_GENERATE_HELP
1582 #include "qemu-options-wrapper.h"
1583
1584     printf("\nDuring emulation, the following keys are useful:\n"
1585            "ctrl-alt-f      toggle full screen\n"
1586            "ctrl-alt-n      switch to virtual console 'n'\n"
1587            "ctrl-alt        toggle mouse and keyboard grab\n"
1588            "\n"
1589            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1590
1591     exit(exitcode);
1592 }
1593
1594 #define HAS_ARG 0x0001
1595
1596 typedef struct QEMUOption {
1597     const char *name;
1598     int flags;
1599     int index;
1600     uint32_t arch_mask;
1601 } QEMUOption;
1602
1603 static const QEMUOption qemu_options[] = {
1604     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1605 #define QEMU_OPTIONS_GENERATE_OPTIONS
1606 #include "qemu-options-wrapper.h"
1607     { NULL },
1608 };
1609
1610 static bool vga_available(void)
1611 {
1612     return qdev_exists("VGA") || qdev_exists("isa-vga");
1613 }
1614
1615 static bool cirrus_vga_available(void)
1616 {
1617     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1618 }
1619
1620 static bool vmware_vga_available(void)
1621 {
1622     return qdev_exists("vmware-svga");
1623 }
1624
1625 static void select_vgahw (const char *p)
1626 {
1627     const char *opts;
1628
1629     vga_interface_type = VGA_NONE;
1630     if (strstart(p, "std", &opts)) {
1631         if (vga_available()) {
1632             vga_interface_type = VGA_STD;
1633         } else {
1634             fprintf(stderr, "Error: standard VGA not available\n");
1635             exit(0);
1636         }
1637     } else if (strstart(p, "cirrus", &opts)) {
1638         if (cirrus_vga_available()) {
1639             vga_interface_type = VGA_CIRRUS;
1640         } else {
1641             fprintf(stderr, "Error: Cirrus VGA not available\n");
1642             exit(0);
1643         }
1644     } else if (strstart(p, "vmware", &opts)) {
1645         if (vmware_vga_available()) {
1646             vga_interface_type = VGA_VMWARE;
1647         } else {
1648             fprintf(stderr, "Error: VMWare SVGA not available\n");
1649             exit(0);
1650         }
1651     } else if (strstart(p, "xenfb", &opts)) {
1652         vga_interface_type = VGA_XENFB;
1653     } else if (strstart(p, "qxl", &opts)) {
1654         vga_interface_type = VGA_QXL;
1655     } else if (!strstart(p, "none", &opts)) {
1656     invalid_vga:
1657         fprintf(stderr, "Unknown vga type: %s\n", p);
1658         exit(1);
1659     }
1660     while (*opts) {
1661         const char *nextopt;
1662
1663         if (strstart(opts, ",retrace=", &nextopt)) {
1664             opts = nextopt;
1665             if (strstart(opts, "dumb", &nextopt))
1666                 vga_retrace_method = VGA_RETRACE_DUMB;
1667             else if (strstart(opts, "precise", &nextopt))
1668                 vga_retrace_method = VGA_RETRACE_PRECISE;
1669             else goto invalid_vga;
1670         } else goto invalid_vga;
1671         opts = nextopt;
1672     }
1673 }
1674
1675 static DisplayType select_display(const char *p)
1676 {
1677     const char *opts;
1678     DisplayType display = DT_DEFAULT;
1679
1680     if (strstart(p, "sdl", &opts)) {
1681 #ifdef CONFIG_SDL
1682         display = DT_SDL;
1683         while (*opts) {
1684             const char *nextopt;
1685
1686             if (strstart(opts, ",frame=", &nextopt)) {
1687                 opts = nextopt;
1688                 if (strstart(opts, "on", &nextopt)) {
1689                     no_frame = 0;
1690                 } else if (strstart(opts, "off", &nextopt)) {
1691                     no_frame = 1;
1692                 } else {
1693                     goto invalid_sdl_args;
1694                 }
1695             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1696                 opts = nextopt;
1697                 if (strstart(opts, "on", &nextopt)) {
1698                     alt_grab = 1;
1699                 } else if (strstart(opts, "off", &nextopt)) {
1700                     alt_grab = 0;
1701                 } else {
1702                     goto invalid_sdl_args;
1703                 }
1704             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1705                 opts = nextopt;
1706                 if (strstart(opts, "on", &nextopt)) {
1707                     ctrl_grab = 1;
1708                 } else if (strstart(opts, "off", &nextopt)) {
1709                     ctrl_grab = 0;
1710                 } else {
1711                     goto invalid_sdl_args;
1712                 }
1713             } else if (strstart(opts, ",window_close=", &nextopt)) {
1714                 opts = nextopt;
1715                 if (strstart(opts, "on", &nextopt)) {
1716                     no_quit = 0;
1717                 } else if (strstart(opts, "off", &nextopt)) {
1718                     no_quit = 1;
1719                 } else {
1720                     goto invalid_sdl_args;
1721                 }
1722             } else {
1723             invalid_sdl_args:
1724                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1725                 exit(1);
1726             }
1727             opts = nextopt;
1728         }
1729 #else
1730         fprintf(stderr, "SDL support is disabled\n");
1731         exit(1);
1732 #endif
1733     } else if (strstart(p, "vnc", &opts)) {
1734 #ifdef CONFIG_VNC
1735         display_remote++;
1736
1737         if (*opts) {
1738             const char *nextopt;
1739
1740             if (strstart(opts, "=", &nextopt)) {
1741                 vnc_display = nextopt;
1742             }
1743         }
1744         if (!vnc_display) {
1745             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1746             exit(1);
1747         }
1748 #else
1749         fprintf(stderr, "VNC support is disabled\n");
1750         exit(1);
1751 #endif
1752     } else if (strstart(p, "curses", &opts)) {
1753 #ifdef CONFIG_CURSES
1754         display = DT_CURSES;
1755 #else
1756         fprintf(stderr, "Curses support is disabled\n");
1757         exit(1);
1758 #endif
1759     } else if (strstart(p, "none", &opts)) {
1760         display = DT_NONE;
1761     } else {
1762         fprintf(stderr, "Unknown display type: %s\n", p);
1763         exit(1);
1764     }
1765
1766     return display;
1767 }
1768
1769 static int balloon_parse(const char *arg)
1770 {
1771     QemuOpts *opts;
1772
1773     if (strcmp(arg, "none") == 0) {
1774         return 0;
1775     }
1776
1777     if (!strncmp(arg, "virtio", 6)) {
1778         if (arg[6] == ',') {
1779             /* have params -> parse them */
1780             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1781             if (!opts)
1782                 return  -1;
1783         } else {
1784             /* create empty opts */
1785             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1786         }
1787         qemu_opt_set(opts, "driver", "virtio-balloon");
1788         return 0;
1789     }
1790
1791     return -1;
1792 }
1793
1794 char *qemu_find_file(int type, const char *name)
1795 {
1796     int len;
1797     const char *subdir;
1798     char *buf;
1799
1800     /* If name contains path separators then try it as a straight path.  */
1801     if ((strchr(name, '/') || strchr(name, '\\'))
1802         && access(name, R_OK) == 0) {
1803         return g_strdup(name);
1804     }
1805     switch (type) {
1806     case QEMU_FILE_TYPE_BIOS:
1807         subdir = "";
1808         break;
1809     case QEMU_FILE_TYPE_KEYMAP:
1810         subdir = "keymaps/";
1811         break;
1812     default:
1813         abort();
1814     }
1815     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1816     buf = g_malloc0(len);
1817     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1818     if (access(buf, R_OK)) {
1819         g_free(buf);
1820         return NULL;
1821     }
1822     return buf;
1823 }
1824
1825 static int device_help_func(QemuOpts *opts, void *opaque)
1826 {
1827     return qdev_device_help(opts);
1828 }
1829
1830 static int device_init_func(QemuOpts *opts, void *opaque)
1831 {
1832     DeviceState *dev;
1833
1834     dev = qdev_device_add(opts);
1835     if (!dev)
1836         return -1;
1837     return 0;
1838 }
1839
1840 static int chardev_init_func(QemuOpts *opts, void *opaque)
1841 {
1842     CharDriverState *chr;
1843
1844     chr = qemu_chr_new_from_opts(opts, NULL);
1845     if (!chr)
1846         return -1;
1847     return 0;
1848 }
1849
1850 #ifdef CONFIG_VIRTFS
1851 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1852 {
1853     int ret;
1854     ret = qemu_fsdev_add(opts);
1855
1856     return ret;
1857 }
1858 #endif
1859
1860 static int mon_init_func(QemuOpts *opts, void *opaque)
1861 {
1862     CharDriverState *chr;
1863     const char *chardev;
1864     const char *mode;
1865     int flags;
1866
1867     mode = qemu_opt_get(opts, "mode");
1868     if (mode == NULL) {
1869         mode = "readline";
1870     }
1871     if (strcmp(mode, "readline") == 0) {
1872         flags = MONITOR_USE_READLINE;
1873     } else if (strcmp(mode, "control") == 0) {
1874         flags = MONITOR_USE_CONTROL;
1875     } else {
1876         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1877         exit(1);
1878     }
1879
1880     if (qemu_opt_get_bool(opts, "pretty", 0))
1881         flags |= MONITOR_USE_PRETTY;
1882
1883     if (qemu_opt_get_bool(opts, "default", 0))
1884         flags |= MONITOR_IS_DEFAULT;
1885
1886     chardev = qemu_opt_get(opts, "chardev");
1887     chr = qemu_chr_find(chardev);
1888     if (chr == NULL) {
1889         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1890         exit(1);
1891     }
1892
1893     monitor_init(chr, flags);
1894     return 0;
1895 }
1896
1897 static void monitor_parse(const char *optarg, const char *mode)
1898 {
1899     static int monitor_device_index = 0;
1900     QemuOpts *opts;
1901     const char *p;
1902     char label[32];
1903     int def = 0;
1904
1905     if (strstart(optarg, "chardev:", &p)) {
1906         snprintf(label, sizeof(label), "%s", p);
1907     } else {
1908         snprintf(label, sizeof(label), "compat_monitor%d",
1909                  monitor_device_index);
1910         if (monitor_device_index == 0) {
1911             def = 1;
1912         }
1913         opts = qemu_chr_parse_compat(label, optarg);
1914         if (!opts) {
1915             fprintf(stderr, "parse error: %s\n", optarg);
1916             exit(1);
1917         }
1918     }
1919
1920     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1921     if (!opts) {
1922         fprintf(stderr, "duplicate chardev: %s\n", label);
1923         exit(1);
1924     }
1925     qemu_opt_set(opts, "mode", mode);
1926     qemu_opt_set(opts, "chardev", label);
1927     if (def)
1928         qemu_opt_set(opts, "default", "on");
1929     monitor_device_index++;
1930 }
1931
1932 struct device_config {
1933     enum {
1934         DEV_USB,       /* -usbdevice     */
1935         DEV_BT,        /* -bt            */
1936         DEV_SERIAL,    /* -serial        */
1937         DEV_PARALLEL,  /* -parallel      */
1938         DEV_VIRTCON,   /* -virtioconsole */
1939         DEV_DEBUGCON,  /* -debugcon */
1940         DEV_GDB,       /* -gdb, -s */
1941     } type;
1942     const char *cmdline;
1943     Location loc;
1944     QTAILQ_ENTRY(device_config) next;
1945 };
1946 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1947
1948 static void add_device_config(int type, const char *cmdline)
1949 {
1950     struct device_config *conf;
1951
1952     conf = g_malloc0(sizeof(*conf));
1953     conf->type = type;
1954     conf->cmdline = cmdline;
1955     loc_save(&conf->loc);
1956     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1957 }
1958
1959 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1960 {
1961     struct device_config *conf;
1962     int rc;
1963
1964     QTAILQ_FOREACH(conf, &device_configs, next) {
1965         if (conf->type != type)
1966             continue;
1967         loc_push_restore(&conf->loc);
1968         rc = func(conf->cmdline);
1969         loc_pop(&conf->loc);
1970         if (0 != rc)
1971             return rc;
1972     }
1973     return 0;
1974 }
1975
1976 static int serial_parse(const char *devname)
1977 {
1978     static int index = 0;
1979     char label[32];
1980
1981     if (strcmp(devname, "none") == 0)
1982         return 0;
1983     if (index == MAX_SERIAL_PORTS) {
1984         fprintf(stderr, "qemu: too many serial ports\n");
1985         exit(1);
1986     }
1987     snprintf(label, sizeof(label), "serial%d", index);
1988     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1989     if (!serial_hds[index]) {
1990         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1991                 devname, strerror(errno));
1992         return -1;
1993     }
1994     index++;
1995     return 0;
1996 }
1997
1998 static int parallel_parse(const char *devname)
1999 {
2000     static int index = 0;
2001     char label[32];
2002
2003     if (strcmp(devname, "none") == 0)
2004         return 0;
2005     if (index == MAX_PARALLEL_PORTS) {
2006         fprintf(stderr, "qemu: too many parallel ports\n");
2007         exit(1);
2008     }
2009     snprintf(label, sizeof(label), "parallel%d", index);
2010     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2011     if (!parallel_hds[index]) {
2012         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2013                 devname, strerror(errno));
2014         return -1;
2015     }
2016     index++;
2017     return 0;
2018 }
2019
2020 static int virtcon_parse(const char *devname)
2021 {
2022     QemuOptsList *device = qemu_find_opts("device");
2023     static int index = 0;
2024     char label[32];
2025     QemuOpts *bus_opts, *dev_opts;
2026
2027     if (strcmp(devname, "none") == 0)
2028         return 0;
2029     if (index == MAX_VIRTIO_CONSOLES) {
2030         fprintf(stderr, "qemu: too many virtio consoles\n");
2031         exit(1);
2032     }
2033
2034     bus_opts = qemu_opts_create(device, NULL, 0);
2035     if (arch_type == QEMU_ARCH_S390X) {
2036         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2037     } else {
2038         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2039     }
2040
2041     dev_opts = qemu_opts_create(device, NULL, 0);
2042     qemu_opt_set(dev_opts, "driver", "virtconsole");
2043
2044     snprintf(label, sizeof(label), "virtcon%d", index);
2045     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2046     if (!virtcon_hds[index]) {
2047         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2048                 devname, strerror(errno));
2049         return -1;
2050     }
2051     qemu_opt_set(dev_opts, "chardev", label);
2052
2053     index++;
2054     return 0;
2055 }
2056
2057 static int debugcon_parse(const char *devname)
2058 {
2059     QemuOpts *opts;
2060
2061     if (!qemu_chr_new("debugcon", devname, NULL)) {
2062         exit(1);
2063     }
2064     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2065     if (!opts) {
2066         fprintf(stderr, "qemu: already have a debugcon device\n");
2067         exit(1);
2068     }
2069     qemu_opt_set(opts, "driver", "isa-debugcon");
2070     qemu_opt_set(opts, "chardev", "debugcon");
2071     return 0;
2072 }
2073
2074 static QEMUMachine *machine_parse(const char *name)
2075 {
2076     QEMUMachine *m, *machine = NULL;
2077
2078     if (name) {
2079         machine = find_machine(name);
2080     }
2081     if (machine) {
2082         return machine;
2083     }
2084     printf("Supported machines are:\n");
2085     for (m = first_machine; m != NULL; m = m->next) {
2086         if (m->alias) {
2087             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2088         }
2089         printf("%-20s %s%s\n", m->name, m->desc,
2090                m->is_default ? " (default)" : "");
2091     }
2092     exit(!name || *name != '?');
2093 }
2094
2095 static int tcg_init(void)
2096 {
2097     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2098     return 0;
2099 }
2100
2101 static struct {
2102     const char *opt_name;
2103     const char *name;
2104     int (*available)(void);
2105     int (*init)(void);
2106     int *allowed;
2107 } accel_list[] = {
2108     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2109     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2110     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2111     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2112 };
2113
2114 static int configure_accelerator(void)
2115 {
2116     const char *p = NULL;
2117     char buf[10];
2118     int i, ret;
2119     bool accel_initialised = 0;
2120     bool init_failed = 0;
2121
2122     QemuOptsList *list = qemu_find_opts("machine");
2123     if (!QTAILQ_EMPTY(&list->head)) {
2124         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2125     }
2126
2127     if (p == NULL) {
2128         /* Use the default "accelerator", tcg */
2129         p = "tcg";
2130     }
2131
2132     while (!accel_initialised && *p != '\0') {
2133         if (*p == ':') {
2134             p++;
2135         }
2136         p = get_opt_name(buf, sizeof (buf), p, ':');
2137         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2138             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2139                 *(accel_list[i].allowed) = 1;
2140                 ret = accel_list[i].init();
2141                 if (ret < 0) {
2142                     init_failed = 1;
2143                     if (!accel_list[i].available()) {
2144                         printf("%s not supported for this target\n",
2145                                accel_list[i].name);
2146                     } else {
2147                         fprintf(stderr, "failed to initialize %s: %s\n",
2148                                 accel_list[i].name,
2149                                 strerror(-ret));
2150                     }
2151                     *(accel_list[i].allowed) = 0;
2152                 } else {
2153                     accel_initialised = 1;
2154                 }
2155                 break;
2156             }
2157         }
2158         if (i == ARRAY_SIZE(accel_list)) {
2159             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2160         }
2161     }
2162
2163     if (!accel_initialised) {
2164         fprintf(stderr, "No accelerator found!\n");
2165         exit(1);
2166     }
2167
2168     if (init_failed) {
2169         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2170     }
2171
2172     return !accel_initialised;
2173 }
2174
2175 void qemu_add_exit_notifier(Notifier *notify)
2176 {
2177     notifier_list_add(&exit_notifiers, notify);
2178 }
2179
2180 void qemu_remove_exit_notifier(Notifier *notify)
2181 {
2182     notifier_remove(notify);
2183 }
2184
2185 static void qemu_run_exit_notifiers(void)
2186 {
2187     notifier_list_notify(&exit_notifiers, NULL);
2188 }
2189
2190 void qemu_add_machine_init_done_notifier(Notifier *notify)
2191 {
2192     notifier_list_add(&machine_init_done_notifiers, notify);
2193 }
2194
2195 static void qemu_run_machine_init_done_notifiers(void)
2196 {
2197     notifier_list_notify(&machine_init_done_notifiers, NULL);
2198 }
2199
2200 static const QEMUOption *lookup_opt(int argc, char **argv,
2201                                     const char **poptarg, int *poptind)
2202 {
2203     const QEMUOption *popt;
2204     int optind = *poptind;
2205     char *r = argv[optind];
2206     const char *optarg;
2207
2208     loc_set_cmdline(argv, optind, 1);
2209     optind++;
2210     /* Treat --foo the same as -foo.  */
2211     if (r[1] == '-')
2212         r++;
2213     popt = qemu_options;
2214     for(;;) {
2215         if (!popt->name) {
2216             error_report("invalid option");
2217             exit(1);
2218         }
2219         if (!strcmp(popt->name, r + 1))
2220             break;
2221         popt++;
2222     }
2223     if (popt->flags & HAS_ARG) {
2224         if (optind >= argc) {
2225             error_report("requires an argument");
2226             exit(1);
2227         }
2228         optarg = argv[optind++];
2229         loc_set_cmdline(argv, optind - 2, 2);
2230     } else {
2231         optarg = NULL;
2232     }
2233
2234     *poptarg = optarg;
2235     *poptind = optind;
2236
2237     return popt;
2238 }
2239
2240 static gpointer malloc_and_trace(gsize n_bytes)
2241 {
2242     void *ptr = malloc(n_bytes);
2243     trace_g_malloc(n_bytes, ptr);
2244     return ptr;
2245 }
2246
2247 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2248 {
2249     void *ptr = realloc(mem, n_bytes);
2250     trace_g_realloc(mem, n_bytes, ptr);
2251     return ptr;
2252 }
2253
2254 static void free_and_trace(gpointer mem)
2255 {
2256     trace_g_free(mem);
2257     free(mem);
2258 }
2259
2260 int qemu_init_main_loop(void)
2261 {
2262     return main_loop_init();
2263 }
2264
2265 int main(int argc, char **argv, char **envp)
2266 {
2267     int i;
2268     int snapshot, linux_boot;
2269     const char *icount_option = NULL;
2270     const char *initrd_filename;
2271     const char *kernel_filename, *kernel_cmdline;
2272     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2273     DisplayState *ds;
2274     DisplayChangeListener *dcl;
2275     int cyls, heads, secs, translation;
2276     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2277     QemuOptsList *olist;
2278     int optind;
2279     const char *optarg;
2280     const char *loadvm = NULL;
2281     QEMUMachine *machine;
2282     const char *cpu_model;
2283     const char *vga_model = NULL;
2284     const char *pid_file = NULL;
2285     const char *incoming = NULL;
2286 #ifdef CONFIG_VNC
2287     int show_vnc_port = 0;
2288 #endif
2289     int defconfig = 1;
2290     const char *log_mask = NULL;
2291     const char *log_file = NULL;
2292     GMemVTable mem_trace = {
2293         .malloc = malloc_and_trace,
2294         .realloc = realloc_and_trace,
2295         .free = free_and_trace,
2296     };
2297     const char *trace_events = NULL;
2298     const char *trace_file = NULL;
2299
2300     atexit(qemu_run_exit_notifiers);
2301     error_set_progname(argv[0]);
2302
2303     g_mem_set_vtable(&mem_trace);
2304     if (!g_thread_supported()) {
2305 #if !GLIB_CHECK_VERSION(2, 31, 0)
2306         g_thread_init(NULL);
2307 #else
2308         fprintf(stderr, "glib threading failed to initialize.\n");
2309         exit(1);
2310 #endif
2311     }
2312
2313     module_call_init(MODULE_INIT_QOM);
2314
2315     runstate_init();
2316
2317     init_clocks();
2318     rtc_clock = host_clock;
2319
2320     qemu_cache_utils_init(envp);
2321
2322     QLIST_INIT (&vm_change_state_head);
2323     os_setup_early_signal_handling();
2324
2325     module_call_init(MODULE_INIT_MACHINE);
2326     machine = find_default_machine();
2327     cpu_model = NULL;
2328     ram_size = 0;
2329     snapshot = 0;
2330     cyls = heads = secs = 0;
2331     translation = BIOS_ATA_TRANSLATION_AUTO;
2332
2333     for (i = 0; i < MAX_NODES; i++) {
2334         node_mem[i] = 0;
2335         node_cpumask[i] = 0;
2336     }
2337
2338     nb_numa_nodes = 0;
2339     nb_nics = 0;
2340
2341     autostart= 1;
2342
2343     /* first pass of option parsing */
2344     optind = 1;
2345     while (optind < argc) {
2346         if (argv[optind][0] != '-') {
2347             /* disk image */
2348             optind++;
2349             continue;
2350         } else {
2351             const QEMUOption *popt;
2352
2353             popt = lookup_opt(argc, argv, &optarg, &optind);
2354             switch (popt->index) {
2355             case QEMU_OPTION_nodefconfig:
2356                 defconfig=0;
2357                 break;
2358             }
2359         }
2360     }
2361
2362     if (defconfig) {
2363         int ret;
2364
2365         ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2366         if (ret < 0 && ret != -ENOENT) {
2367             exit(1);
2368         }
2369
2370         ret = qemu_read_config_file(arch_config_name);
2371         if (ret < 0 && ret != -ENOENT) {
2372             exit(1);
2373         }
2374     }
2375
2376     /* second pass of option parsing */
2377     optind = 1;
2378     for(;;) {
2379         if (optind >= argc)
2380             break;
2381         if (argv[optind][0] != '-') {
2382             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2383         } else {
2384             const QEMUOption *popt;
2385
2386             popt = lookup_opt(argc, argv, &optarg, &optind);
2387             if (!(popt->arch_mask & arch_type)) {
2388                 printf("Option %s not supported for this target\n", popt->name);
2389                 exit(1);
2390             }
2391             switch(popt->index) {
2392             case QEMU_OPTION_M:
2393                 machine = machine_parse(optarg);
2394                 break;
2395             case QEMU_OPTION_cpu:
2396                 /* hw initialization will check this */
2397                 cpu_model = optarg;
2398                 break;
2399             case QEMU_OPTION_hda:
2400                 {
2401                     char buf[256];
2402                     if (cyls == 0)
2403                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2404                     else
2405                         snprintf(buf, sizeof(buf),
2406                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2407                                  HD_OPTS , cyls, heads, secs,
2408                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2409                                  ",trans=lba" :
2410                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2411                                  ",trans=none" : "");
2412                     drive_add(IF_DEFAULT, 0, optarg, buf);
2413                     break;
2414                 }
2415             case QEMU_OPTION_hdb:
2416             case QEMU_OPTION_hdc:
2417             case QEMU_OPTION_hdd:
2418                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2419                           HD_OPTS);
2420                 break;
2421             case QEMU_OPTION_drive:
2422                 if (drive_def(optarg) == NULL) {
2423                     exit(1);
2424                 }
2425                 break;
2426             case QEMU_OPTION_set:
2427                 if (qemu_set_option(optarg) != 0)
2428                     exit(1);
2429                 break;
2430             case QEMU_OPTION_global:
2431                 if (qemu_global_option(optarg) != 0)
2432                     exit(1);
2433                 break;
2434             case QEMU_OPTION_mtdblock:
2435                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2436                 break;
2437             case QEMU_OPTION_sd:
2438                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2439                 break;
2440             case QEMU_OPTION_pflash:
2441                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2442                 break;
2443             case QEMU_OPTION_snapshot:
2444                 snapshot = 1;
2445                 break;
2446             case QEMU_OPTION_hdachs:
2447                 {
2448                     const char *p;
2449                     p = optarg;
2450                     cyls = strtol(p, (char **)&p, 0);
2451                     if (cyls < 1 || cyls > 16383)
2452                         goto chs_fail;
2453                     if (*p != ',')
2454                         goto chs_fail;
2455                     p++;
2456                     heads = strtol(p, (char **)&p, 0);
2457                     if (heads < 1 || heads > 16)
2458                         goto chs_fail;
2459                     if (*p != ',')
2460                         goto chs_fail;
2461                     p++;
2462                     secs = strtol(p, (char **)&p, 0);
2463                     if (secs < 1 || secs > 63)
2464                         goto chs_fail;
2465                     if (*p == ',') {
2466                         p++;
2467                         if (!strcmp(p, "none"))
2468                             translation = BIOS_ATA_TRANSLATION_NONE;
2469                         else if (!strcmp(p, "lba"))
2470                             translation = BIOS_ATA_TRANSLATION_LBA;
2471                         else if (!strcmp(p, "auto"))
2472                             translation = BIOS_ATA_TRANSLATION_AUTO;
2473                         else
2474                             goto chs_fail;
2475                     } else if (*p != '\0') {
2476                     chs_fail:
2477                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2478                         exit(1);
2479                     }
2480                     if (hda_opts != NULL) {
2481                         char num[16];
2482                         snprintf(num, sizeof(num), "%d", cyls);
2483                         qemu_opt_set(hda_opts, "cyls", num);
2484                         snprintf(num, sizeof(num), "%d", heads);
2485                         qemu_opt_set(hda_opts, "heads", num);
2486                         snprintf(num, sizeof(num), "%d", secs);
2487                         qemu_opt_set(hda_opts, "secs", num);
2488                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2489                             qemu_opt_set(hda_opts, "trans", "lba");
2490                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2491                             qemu_opt_set(hda_opts, "trans", "none");
2492                     }
2493                 }
2494                 break;
2495             case QEMU_OPTION_numa:
2496                 if (nb_numa_nodes >= MAX_NODES) {
2497                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2498                     exit(1);
2499                 }
2500                 numa_add(optarg);
2501                 break;
2502             case QEMU_OPTION_display:
2503                 display_type = select_display(optarg);
2504                 break;
2505             case QEMU_OPTION_nographic:
2506                 display_type = DT_NOGRAPHIC;
2507                 break;
2508             case QEMU_OPTION_curses:
2509 #ifdef CONFIG_CURSES
2510                 display_type = DT_CURSES;
2511 #else
2512                 fprintf(stderr, "Curses support is disabled\n");
2513                 exit(1);
2514 #endif
2515                 break;
2516             case QEMU_OPTION_portrait:
2517                 graphic_rotate = 90;
2518                 break;
2519             case QEMU_OPTION_rotate:
2520                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2521                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2522                     graphic_rotate != 180 && graphic_rotate != 270) {
2523                     fprintf(stderr,
2524                         "qemu: only 90, 180, 270 deg rotation is available\n");
2525                     exit(1);
2526                 }
2527                 break;
2528             case QEMU_OPTION_kernel:
2529                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2530                 break;
2531             case QEMU_OPTION_initrd:
2532                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2533                 break;
2534             case QEMU_OPTION_append:
2535                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2536                 break;
2537             case QEMU_OPTION_dtb:
2538                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2539                 break;
2540             case QEMU_OPTION_cdrom:
2541                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2542                 break;
2543             case QEMU_OPTION_boot:
2544                 {
2545                     static const char * const params[] = {
2546                         "order", "once", "menu",
2547                         "splash", "splash-time", NULL
2548                     };
2549                     char buf[sizeof(boot_devices)];
2550                     char *standard_boot_devices;
2551                     int legacy = 0;
2552
2553                     if (!strchr(optarg, '=')) {
2554                         legacy = 1;
2555                         pstrcpy(buf, sizeof(buf), optarg);
2556                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2557                         fprintf(stderr,
2558                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2559                                 buf, optarg);
2560                         exit(1);
2561                     }
2562
2563                     if (legacy ||
2564                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2565                         validate_bootdevices(buf);
2566                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2567                     }
2568                     if (!legacy) {
2569                         if (get_param_value(buf, sizeof(buf),
2570                                             "once", optarg)) {
2571                             validate_bootdevices(buf);
2572                             standard_boot_devices = g_strdup(boot_devices);
2573                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2574                             qemu_register_reset(restore_boot_devices,
2575                                                 standard_boot_devices);
2576                         }
2577                         if (get_param_value(buf, sizeof(buf),
2578                                             "menu", optarg)) {
2579                             if (!strcmp(buf, "on")) {
2580                                 boot_menu = 1;
2581                             } else if (!strcmp(buf, "off")) {
2582                                 boot_menu = 0;
2583                             } else {
2584                                 fprintf(stderr,
2585                                         "qemu: invalid option value '%s'\n",
2586                                         buf);
2587                                 exit(1);
2588                             }
2589                         }
2590                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2591                                         optarg, 0);
2592                     }
2593                 }
2594                 break;
2595             case QEMU_OPTION_fda:
2596             case QEMU_OPTION_fdb:
2597                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2598                           optarg, FD_OPTS);
2599                 break;
2600             case QEMU_OPTION_no_fd_bootchk:
2601                 fd_bootchk = 0;
2602                 break;
2603             case QEMU_OPTION_netdev:
2604                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2605                     exit(1);
2606                 }
2607                 break;
2608             case QEMU_OPTION_net:
2609                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2610                     exit(1);
2611                 }
2612                 break;
2613 #ifdef CONFIG_LIBISCSI
2614             case QEMU_OPTION_iscsi:
2615                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2616                 if (!opts) {
2617                     exit(1);
2618                 }
2619                 break;
2620 #endif
2621 #ifdef CONFIG_SLIRP
2622             case QEMU_OPTION_tftp:
2623                 legacy_tftp_prefix = optarg;
2624                 break;
2625             case QEMU_OPTION_bootp:
2626                 legacy_bootp_filename = optarg;
2627                 break;
2628             case QEMU_OPTION_redir:
2629                 if (net_slirp_redir(optarg) < 0)
2630                     exit(1);
2631                 break;
2632 #endif
2633             case QEMU_OPTION_bt:
2634                 add_device_config(DEV_BT, optarg);
2635                 break;
2636             case QEMU_OPTION_audio_help:
2637                 if (!(audio_available())) {
2638                     printf("Option %s not supported for this target\n", popt->name);
2639                     exit(1);
2640                 }
2641                 AUD_help ();
2642                 exit (0);
2643                 break;
2644             case QEMU_OPTION_soundhw:
2645                 if (!(audio_available())) {
2646                     printf("Option %s not supported for this target\n", popt->name);
2647                     exit(1);
2648                 }
2649                 select_soundhw (optarg);
2650                 break;
2651             case QEMU_OPTION_h:
2652                 help(0);
2653                 break;
2654             case QEMU_OPTION_version:
2655                 version();
2656                 exit(0);
2657                 break;
2658             case QEMU_OPTION_m: {
2659                 int64_t value;
2660                 char *end;
2661
2662                 value = strtosz(optarg, &end);
2663                 if (value < 0 || *end) {
2664                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2665                     exit(1);
2666                 }
2667
2668                 if (value != (uint64_t)(ram_addr_t)value) {
2669                     fprintf(stderr, "qemu: ram size too large\n");
2670                     exit(1);
2671                 }
2672                 ram_size = value;
2673                 break;
2674             }
2675             case QEMU_OPTION_mempath:
2676                 mem_path = optarg;
2677                 break;
2678 #ifdef MAP_POPULATE
2679             case QEMU_OPTION_mem_prealloc:
2680                 mem_prealloc = 1;
2681                 break;
2682 #endif
2683             case QEMU_OPTION_d:
2684                 log_mask = optarg;
2685                 break;
2686             case QEMU_OPTION_D:
2687                 log_file = optarg;
2688                 break;
2689             case QEMU_OPTION_s:
2690                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2691                 break;
2692             case QEMU_OPTION_gdb:
2693                 add_device_config(DEV_GDB, optarg);
2694                 break;
2695             case QEMU_OPTION_L:
2696                 data_dir = optarg;
2697                 break;
2698             case QEMU_OPTION_bios:
2699                 bios_name = optarg;
2700                 break;
2701             case QEMU_OPTION_singlestep:
2702                 singlestep = 1;
2703                 break;
2704             case QEMU_OPTION_S:
2705                 autostart = 0;
2706                 break;
2707             case QEMU_OPTION_k:
2708                 keyboard_layout = optarg;
2709                 break;
2710             case QEMU_OPTION_localtime:
2711                 rtc_utc = 0;
2712                 break;
2713             case QEMU_OPTION_vga:
2714                 vga_model = optarg;
2715                 break;
2716             case QEMU_OPTION_g:
2717                 {
2718                     const char *p;
2719                     int w, h, depth;
2720                     p = optarg;
2721                     w = strtol(p, (char **)&p, 10);
2722                     if (w <= 0) {
2723                     graphic_error:
2724                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2725                         exit(1);
2726                     }
2727                     if (*p != 'x')
2728                         goto graphic_error;
2729                     p++;
2730                     h = strtol(p, (char **)&p, 10);
2731                     if (h <= 0)
2732                         goto graphic_error;
2733                     if (*p == 'x') {
2734                         p++;
2735                         depth = strtol(p, (char **)&p, 10);
2736                         if (depth != 8 && depth != 15 && depth != 16 &&
2737                             depth != 24 && depth != 32)
2738                             goto graphic_error;
2739                     } else if (*p == '\0') {
2740                         depth = graphic_depth;
2741                     } else {
2742                         goto graphic_error;
2743                     }
2744
2745                     graphic_width = w;
2746                     graphic_height = h;
2747                     graphic_depth = depth;
2748                 }
2749                 break;
2750             case QEMU_OPTION_echr:
2751                 {
2752                     char *r;
2753                     term_escape_char = strtol(optarg, &r, 0);
2754                     if (r == optarg)
2755                         printf("Bad argument to echr\n");
2756                     break;
2757                 }
2758             case QEMU_OPTION_monitor:
2759                 monitor_parse(optarg, "readline");
2760                 default_monitor = 0;
2761                 break;
2762             case QEMU_OPTION_qmp:
2763                 monitor_parse(optarg, "control");
2764                 default_monitor = 0;
2765                 break;
2766             case QEMU_OPTION_mon:
2767                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2768                 if (!opts) {
2769                     exit(1);
2770                 }
2771                 default_monitor = 0;
2772                 break;
2773             case QEMU_OPTION_chardev:
2774                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2775                 if (!opts) {
2776                     exit(1);
2777                 }
2778                 break;
2779             case QEMU_OPTION_fsdev:
2780                 olist = qemu_find_opts("fsdev");
2781                 if (!olist) {
2782                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2783                     exit(1);
2784                 }
2785                 opts = qemu_opts_parse(olist, optarg, 1);
2786                 if (!opts) {
2787                     fprintf(stderr, "parse error: %s\n", optarg);
2788                     exit(1);
2789                 }
2790                 break;
2791             case QEMU_OPTION_virtfs: {
2792                 QemuOpts *fsdev;
2793                 QemuOpts *device;
2794                 const char *writeout, *sock_fd, *socket;
2795
2796                 olist = qemu_find_opts("virtfs");
2797                 if (!olist) {
2798                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2799                     exit(1);
2800                 }
2801                 opts = qemu_opts_parse(olist, optarg, 1);
2802                 if (!opts) {
2803                     fprintf(stderr, "parse error: %s\n", optarg);
2804                     exit(1);
2805                 }
2806
2807                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2808                     qemu_opt_get(opts, "mount_tag") == NULL) {
2809                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2810                     exit(1);
2811                 }
2812                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2813                                          qemu_opt_get(opts, "mount_tag"), 1);
2814                 if (!fsdev) {
2815                     fprintf(stderr, "duplicate fsdev id: %s\n",
2816                             qemu_opt_get(opts, "mount_tag"));
2817                     exit(1);
2818                 }
2819
2820                 writeout = qemu_opt_get(opts, "writeout");
2821                 if (writeout) {
2822 #ifdef CONFIG_SYNC_FILE_RANGE
2823                     qemu_opt_set(fsdev, "writeout", writeout);
2824 #else
2825                     fprintf(stderr, "writeout=immediate not supported on "
2826                             "this platform\n");
2827                     exit(1);
2828 #endif
2829                 }
2830                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2831                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2832                 qemu_opt_set(fsdev, "security_model",
2833                              qemu_opt_get(opts, "security_model"));
2834                 socket = qemu_opt_get(opts, "socket");
2835                 if (socket) {
2836                     qemu_opt_set(fsdev, "socket", socket);
2837                 }
2838                 sock_fd = qemu_opt_get(opts, "sock_fd");
2839                 if (sock_fd) {
2840                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2841                 }
2842
2843                 qemu_opt_set_bool(fsdev, "readonly",
2844                                 qemu_opt_get_bool(opts, "readonly", 0));
2845                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2846                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2847                 qemu_opt_set(device, "fsdev",
2848                              qemu_opt_get(opts, "mount_tag"));
2849                 qemu_opt_set(device, "mount_tag",
2850                              qemu_opt_get(opts, "mount_tag"));
2851                 break;
2852             }
2853             case QEMU_OPTION_virtfs_synth: {
2854                 QemuOpts *fsdev;
2855                 QemuOpts *device;
2856
2857                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2858                 if (!fsdev) {
2859                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2860                     exit(1);
2861                 }
2862                 qemu_opt_set(fsdev, "fsdriver", "synth");
2863
2864                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2865                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2866                 qemu_opt_set(device, "fsdev", "v_synth");
2867                 qemu_opt_set(device, "mount_tag", "v_synth");
2868                 break;
2869             }
2870             case QEMU_OPTION_serial:
2871                 add_device_config(DEV_SERIAL, optarg);
2872                 default_serial = 0;
2873                 if (strncmp(optarg, "mon:", 4) == 0) {
2874                     default_monitor = 0;
2875                 }
2876                 break;
2877             case QEMU_OPTION_watchdog:
2878                 if (watchdog) {
2879                     fprintf(stderr,
2880                             "qemu: only one watchdog option may be given\n");
2881                     return 1;
2882                 }
2883                 watchdog = optarg;
2884                 break;
2885             case QEMU_OPTION_watchdog_action:
2886                 if (select_watchdog_action(optarg) == -1) {
2887                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2888                     exit(1);
2889                 }
2890                 break;
2891             case QEMU_OPTION_virtiocon:
2892                 add_device_config(DEV_VIRTCON, optarg);
2893                 default_virtcon = 0;
2894                 if (strncmp(optarg, "mon:", 4) == 0) {
2895                     default_monitor = 0;
2896                 }
2897                 break;
2898             case QEMU_OPTION_parallel:
2899                 add_device_config(DEV_PARALLEL, optarg);
2900                 default_parallel = 0;
2901                 if (strncmp(optarg, "mon:", 4) == 0) {
2902                     default_monitor = 0;
2903                 }
2904                 break;
2905             case QEMU_OPTION_debugcon:
2906                 add_device_config(DEV_DEBUGCON, optarg);
2907                 break;
2908             case QEMU_OPTION_loadvm:
2909                 loadvm = optarg;
2910                 break;
2911             case QEMU_OPTION_full_screen:
2912                 full_screen = 1;
2913                 break;
2914 #ifdef CONFIG_SDL
2915             case QEMU_OPTION_no_frame:
2916                 no_frame = 1;
2917                 break;
2918             case QEMU_OPTION_alt_grab:
2919                 alt_grab = 1;
2920                 break;
2921             case QEMU_OPTION_ctrl_grab:
2922                 ctrl_grab = 1;
2923                 break;
2924             case QEMU_OPTION_no_quit:
2925                 no_quit = 1;
2926                 break;
2927             case QEMU_OPTION_sdl:
2928                 display_type = DT_SDL;
2929                 break;
2930 #else
2931             case QEMU_OPTION_no_frame:
2932             case QEMU_OPTION_alt_grab:
2933             case QEMU_OPTION_ctrl_grab:
2934             case QEMU_OPTION_no_quit:
2935             case QEMU_OPTION_sdl:
2936                 fprintf(stderr, "SDL support is disabled\n");
2937                 exit(1);
2938 #endif
2939             case QEMU_OPTION_pidfile:
2940                 pid_file = optarg;
2941                 break;
2942             case QEMU_OPTION_win2k_hack:
2943                 win2k_install_hack = 1;
2944                 break;
2945             case QEMU_OPTION_rtc_td_hack: {
2946                 static GlobalProperty slew_lost_ticks[] = {
2947                     {
2948                         .driver   = "mc146818rtc",
2949                         .property = "lost_tick_policy",
2950                         .value    = "slew",
2951                     },
2952                     { /* end of list */ }
2953                 };
2954
2955                 qdev_prop_register_global_list(slew_lost_ticks);
2956                 break;
2957             }
2958             case QEMU_OPTION_acpitable:
2959                 do_acpitable_option(optarg);
2960                 break;
2961             case QEMU_OPTION_smbios:
2962                 do_smbios_option(optarg);
2963                 break;
2964             case QEMU_OPTION_enable_kvm:
2965                 olist = qemu_find_opts("machine");
2966                 qemu_opts_parse(olist, "accel=kvm", 0);
2967                 break;
2968             case QEMU_OPTION_machine:
2969                 olist = qemu_find_opts("machine");
2970                 opts = qemu_opts_parse(olist, optarg, 1);
2971                 if (!opts) {
2972                     fprintf(stderr, "parse error: %s\n", optarg);
2973                     exit(1);
2974                 }
2975                 optarg = qemu_opt_get(opts, "type");
2976                 if (optarg) {
2977                     machine = machine_parse(optarg);
2978                 }
2979                 break;
2980             case QEMU_OPTION_usb:
2981                 usb_enabled = 1;
2982                 break;
2983             case QEMU_OPTION_usbdevice:
2984                 usb_enabled = 1;
2985                 add_device_config(DEV_USB, optarg);
2986                 break;
2987             case QEMU_OPTION_device:
2988                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2989                     exit(1);
2990                 }
2991                 break;
2992             case QEMU_OPTION_smp:
2993                 smp_parse(optarg);
2994                 if (smp_cpus < 1) {
2995                     fprintf(stderr, "Invalid number of CPUs\n");
2996                     exit(1);
2997                 }
2998                 if (max_cpus < smp_cpus) {
2999                     fprintf(stderr, "maxcpus must be equal to or greater than "
3000                             "smp\n");
3001                     exit(1);
3002                 }
3003                 if (max_cpus > 255) {
3004                     fprintf(stderr, "Unsupported number of maxcpus\n");
3005                     exit(1);
3006                 }
3007                 break;
3008             case QEMU_OPTION_vnc:
3009 #ifdef CONFIG_VNC
3010                 display_remote++;
3011                 vnc_display = optarg;
3012 #else
3013                 fprintf(stderr, "VNC support is disabled\n");
3014                 exit(1);
3015 #endif
3016                 break;
3017             case QEMU_OPTION_no_acpi:
3018                 acpi_enabled = 0;
3019                 break;
3020             case QEMU_OPTION_no_hpet:
3021                 no_hpet = 1;
3022                 break;
3023             case QEMU_OPTION_balloon:
3024                 if (balloon_parse(optarg) < 0) {
3025                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3026                     exit(1);
3027                 }
3028                 break;
3029             case QEMU_OPTION_no_reboot:
3030                 no_reboot = 1;
3031                 break;
3032             case QEMU_OPTION_no_shutdown:
3033                 no_shutdown = 1;
3034                 break;
3035             case QEMU_OPTION_show_cursor:
3036                 cursor_hide = 0;
3037                 break;
3038             case QEMU_OPTION_uuid:
3039                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3040                     fprintf(stderr, "Fail to parse UUID string."
3041                             " Wrong format.\n");
3042                     exit(1);
3043                 }
3044                 break;
3045             case QEMU_OPTION_option_rom:
3046                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3047                     fprintf(stderr, "Too many option ROMs\n");
3048                     exit(1);
3049                 }
3050                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3051                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3052                 option_rom[nb_option_roms].bootindex =
3053                     qemu_opt_get_number(opts, "bootindex", -1);
3054                 if (!option_rom[nb_option_roms].name) {
3055                     fprintf(stderr, "Option ROM file is not specified\n");
3056                     exit(1);
3057                 }
3058                 nb_option_roms++;
3059                 break;
3060             case QEMU_OPTION_semihosting:
3061                 semihosting_enabled = 1;
3062                 break;
3063             case QEMU_OPTION_name:
3064                 qemu_name = g_strdup(optarg);
3065                  {
3066                      char *p = strchr(qemu_name, ',');
3067                      if (p != NULL) {
3068                         *p++ = 0;
3069                         if (strncmp(p, "process=", 8)) {
3070                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3071                             exit(1);
3072                         }
3073                         p += 8;
3074                         os_set_proc_name(p);
3075                      }
3076                  }
3077                 break;
3078             case QEMU_OPTION_prom_env:
3079                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3080                     fprintf(stderr, "Too many prom variables\n");
3081                     exit(1);
3082                 }
3083                 prom_envs[nb_prom_envs] = optarg;
3084                 nb_prom_envs++;
3085                 break;
3086             case QEMU_OPTION_old_param:
3087                 old_param = 1;
3088                 break;
3089             case QEMU_OPTION_clock:
3090                 configure_alarms(optarg);
3091                 break;
3092             case QEMU_OPTION_startdate:
3093                 configure_rtc_date_offset(optarg, 1);
3094                 break;
3095             case QEMU_OPTION_rtc:
3096                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3097                 if (!opts) {
3098                     exit(1);
3099                 }
3100                 configure_rtc(opts);
3101                 break;
3102             case QEMU_OPTION_tb_size:
3103                 tcg_tb_size = strtol(optarg, NULL, 0);
3104                 if (tcg_tb_size < 0) {
3105                     tcg_tb_size = 0;
3106                 }
3107                 break;
3108             case QEMU_OPTION_icount:
3109                 icount_option = optarg;
3110                 break;
3111             case QEMU_OPTION_incoming:
3112                 incoming = optarg;
3113                 runstate_set(RUN_STATE_INMIGRATE);
3114                 break;
3115             case QEMU_OPTION_nodefaults:
3116                 default_serial = 0;
3117                 default_parallel = 0;
3118                 default_virtcon = 0;
3119                 default_monitor = 0;
3120                 default_net = 0;
3121                 default_floppy = 0;
3122                 default_cdrom = 0;
3123                 default_sdcard = 0;
3124                 vga_model = "none";
3125                 break;
3126             case QEMU_OPTION_xen_domid:
3127                 if (!(xen_available())) {
3128                     printf("Option %s not supported for this target\n", popt->name);
3129                     exit(1);
3130                 }
3131                 xen_domid = atoi(optarg);
3132                 break;
3133             case QEMU_OPTION_xen_create:
3134                 if (!(xen_available())) {
3135                     printf("Option %s not supported for this target\n", popt->name);
3136                     exit(1);
3137                 }
3138                 xen_mode = XEN_CREATE;
3139                 break;
3140             case QEMU_OPTION_xen_attach:
3141                 if (!(xen_available())) {
3142                     printf("Option %s not supported for this target\n", popt->name);
3143                     exit(1);
3144                 }
3145                 xen_mode = XEN_ATTACH;
3146                 break;
3147             case QEMU_OPTION_trace:
3148             {
3149                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3150                 if (!opts) {
3151                     exit(1);
3152                 }
3153                 trace_events = qemu_opt_get(opts, "events");
3154                 trace_file = qemu_opt_get(opts, "file");
3155                 break;
3156             }
3157             case QEMU_OPTION_readconfig:
3158                 {
3159                     int ret = qemu_read_config_file(optarg);
3160                     if (ret < 0) {
3161                         fprintf(stderr, "read config %s: %s\n", optarg,
3162                             strerror(-ret));
3163                         exit(1);
3164                     }
3165                     break;
3166                 }
3167             case QEMU_OPTION_spice:
3168                 olist = qemu_find_opts("spice");
3169                 if (!olist) {
3170                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3171                     exit(1);
3172                 }
3173                 opts = qemu_opts_parse(olist, optarg, 0);
3174                 if (!opts) {
3175                     fprintf(stderr, "parse error: %s\n", optarg);
3176                     exit(1);
3177                 }
3178                 break;
3179             case QEMU_OPTION_writeconfig:
3180                 {
3181                     FILE *fp;
3182                     if (strcmp(optarg, "-") == 0) {
3183                         fp = stdout;
3184                     } else {
3185                         fp = fopen(optarg, "w");
3186                         if (fp == NULL) {
3187                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3188                             exit(1);
3189                         }
3190                     }
3191                     qemu_config_write(fp);
3192                     fclose(fp);
3193                     break;
3194                 }
3195             case QEMU_OPTION_qtest:
3196                 qtest_chrdev = optarg;
3197                 break;
3198             case QEMU_OPTION_qtest_log:
3199                 qtest_log = optarg;
3200                 break;
3201             default:
3202                 os_parse_cmd_args(popt->index, optarg);
3203             }
3204         }
3205     }
3206     loc_set_none();
3207
3208     /* Init CPU def lists, based on config
3209      * - Must be called after all the qemu_read_config_file() calls
3210      * - Must be called before list_cpus()
3211      * - Must be called before machine->init()
3212      */
3213     cpudef_init();
3214
3215     if (cpu_model && *cpu_model == '?') {
3216         list_cpus(stdout, &fprintf, cpu_model);
3217         exit(0);
3218     }
3219
3220     /* Open the logfile at this point, if necessary. We can't open the logfile
3221      * when encountering either of the logging options (-d or -D) because the
3222      * other one may be encountered later on the command line, changing the
3223      * location or level of logging.
3224      */
3225     if (log_mask) {
3226         if (log_file) {
3227             set_cpu_log_filename(log_file);
3228         }
3229         set_cpu_log(log_mask);
3230     }
3231
3232     if (!trace_backend_init(trace_events, trace_file)) {
3233         exit(1);
3234     }
3235
3236     /* If no data_dir is specified then try to find it relative to the
3237        executable path.  */
3238     if (!data_dir) {
3239         data_dir = os_find_datadir(argv[0]);
3240     }
3241     /* If all else fails use the install path specified when building. */
3242     if (!data_dir) {
3243         data_dir = CONFIG_QEMU_DATADIR;
3244     }
3245
3246     if (machine == NULL) {
3247         fprintf(stderr, "No machine found.\n");
3248         exit(1);
3249     }
3250
3251     /*
3252      * Default to max_cpus = smp_cpus, in case the user doesn't
3253      * specify a max_cpus value.
3254      */
3255     if (!max_cpus)
3256         max_cpus = smp_cpus;
3257
3258     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3259     if (smp_cpus > machine->max_cpus) {
3260         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3261                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3262                 machine->max_cpus);
3263         exit(1);
3264     }
3265
3266     /*
3267      * Get the default machine options from the machine if it is not already
3268      * specified either by the configuration file or by the command line.
3269      */
3270     if (machine->default_machine_opts) {
3271         qemu_opts_set_defaults(qemu_find_opts("machine"),
3272                                machine->default_machine_opts, 0);
3273     }
3274
3275     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3276     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3277
3278     if (machine->no_serial) {
3279         default_serial = 0;
3280     }
3281     if (machine->no_parallel) {
3282         default_parallel = 0;
3283     }
3284     if (!machine->use_virtcon) {
3285         default_virtcon = 0;
3286     }
3287     if (machine->no_floppy) {
3288         default_floppy = 0;
3289     }
3290     if (machine->no_cdrom) {
3291         default_cdrom = 0;
3292     }
3293     if (machine->no_sdcard) {
3294         default_sdcard = 0;
3295     }
3296
3297     if (display_type == DT_NOGRAPHIC) {
3298         if (default_parallel)
3299             add_device_config(DEV_PARALLEL, "null");
3300         if (default_serial && default_monitor) {
3301             add_device_config(DEV_SERIAL, "mon:stdio");
3302         } else if (default_virtcon && default_monitor) {
3303             add_device_config(DEV_VIRTCON, "mon:stdio");
3304         } else {
3305             if (default_serial)
3306                 add_device_config(DEV_SERIAL, "stdio");
3307             if (default_virtcon)
3308                 add_device_config(DEV_VIRTCON, "stdio");
3309             if (default_monitor)
3310                 monitor_parse("stdio", "readline");
3311         }
3312     } else {
3313         if (default_serial)
3314             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3315         if (default_parallel)
3316             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3317         if (default_monitor)
3318             monitor_parse("vc:80Cx24C", "readline");
3319         if (default_virtcon)
3320             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3321     }
3322
3323     socket_init();
3324
3325     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3326         exit(1);
3327 #ifdef CONFIG_VIRTFS
3328     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3329         exit(1);
3330     }
3331 #endif
3332
3333     os_daemonize();
3334
3335     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3336         os_pidfile_error();
3337         exit(1);
3338     }
3339
3340     /* init the memory */
3341     if (ram_size == 0) {
3342         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3343     }
3344
3345     configure_accelerator();
3346
3347     qemu_init_cpu_loop();
3348     if (qemu_init_main_loop()) {
3349         fprintf(stderr, "qemu_init_main_loop failed\n");
3350         exit(1);
3351     }
3352
3353     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3354     if (machine_opts) {
3355         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3356         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3357         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3358     } else {
3359         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3360     }
3361
3362     if (!kernel_cmdline) {
3363         kernel_cmdline = "";
3364     }
3365
3366     linux_boot = (kernel_filename != NULL);
3367
3368     if (!linux_boot && *kernel_cmdline != '\0') {
3369         fprintf(stderr, "-append only allowed with -kernel option\n");
3370         exit(1);
3371     }
3372
3373     if (!linux_boot && initrd_filename != NULL) {
3374         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3375         exit(1);
3376     }
3377
3378     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3379         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3380         exit(1);
3381     }
3382
3383     os_set_line_buffering();
3384
3385     if (init_timer_alarm() < 0) {
3386         fprintf(stderr, "could not initialize alarm timer\n");
3387         exit(1);
3388     }
3389
3390 #ifdef CONFIG_SPICE
3391     /* spice needs the timers to be initialized by this point */
3392     qemu_spice_init();
3393 #endif
3394
3395     if (icount_option && (kvm_enabled() || xen_enabled())) {
3396         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3397         exit(1);
3398     }
3399     configure_icount(icount_option);
3400
3401     if (net_init_clients() < 0) {
3402         exit(1);
3403     }
3404
3405     /* init the bluetooth world */
3406     if (foreach_device_config(DEV_BT, bt_parse))
3407         exit(1);
3408
3409     if (!xen_enabled()) {
3410         /* On 32-bit hosts, QEMU is limited by virtual address space */
3411         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3412             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3413             exit(1);
3414         }
3415     }
3416
3417     cpu_exec_init_all();
3418
3419     bdrv_init_with_whitelist();
3420
3421     blk_mig_init();
3422
3423     /* open the virtual block devices */
3424     if (snapshot)
3425         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3426     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3427         exit(1);
3428
3429     default_drive(default_cdrom, snapshot, machine->use_scsi,
3430                   IF_DEFAULT, 2, CDROM_OPTS);
3431     default_drive(default_floppy, snapshot, machine->use_scsi,
3432                   IF_FLOPPY, 0, FD_OPTS);
3433     default_drive(default_sdcard, snapshot, machine->use_scsi,
3434                   IF_SD, 0, SD_OPTS);
3435
3436     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3437                          ram_load, NULL);
3438
3439     if (nb_numa_nodes > 0) {
3440         int i;
3441
3442         if (nb_numa_nodes > MAX_NODES) {
3443             nb_numa_nodes = MAX_NODES;
3444         }
3445
3446         /* If no memory size if given for any node, assume the default case
3447          * and distribute the available memory equally across all nodes
3448          */
3449         for (i = 0; i < nb_numa_nodes; i++) {
3450             if (node_mem[i] != 0)
3451                 break;
3452         }
3453         if (i == nb_numa_nodes) {
3454             uint64_t usedmem = 0;
3455
3456             /* On Linux, the each node's border has to be 8MB aligned,
3457              * the final node gets the rest.
3458              */
3459             for (i = 0; i < nb_numa_nodes - 1; i++) {
3460                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3461                 usedmem += node_mem[i];
3462             }
3463             node_mem[i] = ram_size - usedmem;
3464         }
3465
3466         for (i = 0; i < nb_numa_nodes; i++) {
3467             if (node_cpumask[i] != 0)
3468                 break;
3469         }
3470         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3471          * must cope with this anyway, because there are BIOSes out there in
3472          * real machines which also use this scheme.
3473          */
3474         if (i == nb_numa_nodes) {
3475             for (i = 0; i < max_cpus; i++) {
3476                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3477             }
3478         }
3479     }
3480
3481     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3482         exit(1);
3483     }
3484
3485     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3486         exit(1);
3487     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3488         exit(1);
3489     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3490         exit(1);
3491     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3492         exit(1);
3493
3494     /* must be after qdev registration but before machine init */
3495     if (vga_model) {
3496         select_vgahw(vga_model);
3497     } else if (cirrus_vga_available()) {
3498         select_vgahw("cirrus");
3499     } else {
3500         select_vgahw("none");
3501     }
3502
3503     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3504         exit(0);
3505
3506     if (watchdog) {
3507         i = select_watchdog(watchdog);
3508         if (i > 0)
3509             exit (i == 1 ? 1 : 0);
3510     }
3511
3512     if (machine->compat_props) {
3513         qdev_prop_register_global_list(machine->compat_props);
3514     }
3515     qemu_add_globals();
3516
3517     qdev_machine_init();
3518
3519     machine->init(ram_size, boot_devices,
3520                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3521
3522     cpu_synchronize_all_post_init();
3523
3524     set_numa_modes();
3525
3526     current_machine = machine;
3527
3528     /* init USB devices */
3529     if (usb_enabled) {
3530         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3531             exit(1);
3532     }
3533
3534     /* init generic devices */
3535     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3536         exit(1);
3537
3538     net_check_clients();
3539
3540     /* just use the first displaystate for the moment */
3541     ds = get_displaystate();
3542
3543     if (using_spice)
3544         display_remote++;
3545     if (display_type == DT_DEFAULT && !display_remote) {
3546 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3547         display_type = DT_SDL;
3548 #elif defined(CONFIG_VNC)
3549         vnc_display = "localhost:0,to=99";
3550         show_vnc_port = 1;
3551 #else
3552         display_type = DT_NONE;
3553 #endif
3554     }
3555
3556
3557     /* init local displays */
3558     switch (display_type) {
3559     case DT_NOGRAPHIC:
3560         break;
3561 #if defined(CONFIG_CURSES)
3562     case DT_CURSES:
3563         curses_display_init(ds, full_screen);
3564         break;
3565 #endif
3566 #if defined(CONFIG_SDL)
3567     case DT_SDL:
3568         sdl_display_init(ds, full_screen, no_frame);
3569         break;
3570 #elif defined(CONFIG_COCOA)
3571     case DT_SDL:
3572         cocoa_display_init(ds, full_screen);
3573         break;
3574 #endif
3575     default:
3576         break;
3577     }
3578
3579     /* must be after terminal init, SDL library changes signal handlers */
3580     os_setup_signal_handling();
3581
3582 #ifdef CONFIG_VNC
3583     /* init remote displays */
3584     if (vnc_display) {
3585         vnc_display_init(ds);
3586         if (vnc_display_open(ds, vnc_display) < 0)
3587             exit(1);
3588
3589         if (show_vnc_port) {
3590             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3591         }
3592     }
3593 #endif
3594 #ifdef CONFIG_SPICE
3595     if (using_spice && !qxl_enabled) {
3596         qemu_spice_display_init(ds);
3597     }
3598 #endif
3599
3600     /* display setup */
3601     dpy_resize(ds);
3602     dcl = ds->listeners;
3603     while (dcl != NULL) {
3604         if (dcl->dpy_refresh != NULL) {
3605             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3606             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3607             break;
3608         }
3609         dcl = dcl->next;
3610     }
3611     text_consoles_set_display(ds);
3612
3613     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3614         exit(1);
3615     }
3616
3617     qdev_machine_creation_done();
3618
3619     if (rom_load_all() != 0) {
3620         fprintf(stderr, "rom loading failed\n");
3621         exit(1);
3622     }
3623
3624     /* TODO: once all bus devices are qdevified, this should be done
3625      * when bus is created by qdev.c */
3626     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3627     qemu_run_machine_init_done_notifiers();
3628
3629     qemu_system_reset(VMRESET_SILENT);
3630     if (loadvm) {
3631         if (load_vmstate(loadvm) < 0) {
3632             autostart = 0;
3633         }
3634     }
3635
3636     if (incoming) {
3637         int ret = qemu_start_incoming_migration(incoming);
3638         if (ret < 0) {
3639             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3640                     incoming, ret);
3641             exit(ret);
3642         }
3643     } else if (autostart) {
3644         vm_start();
3645     }
3646
3647     os_setup_post();
3648
3649     resume_all_vcpus();
3650     main_loop();
3651     bdrv_close_all();
3652     pause_all_vcpus();
3653     net_cleanup();
3654     res_free();
3655
3656     return 0;
3657 }