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 #include "bitmap.h"
  32
  33 /* Needed early for CONFIG_BSD etc. */
  34 #include "config-host.h"
  35
  36 #ifndef _WIN32
  37 #include <libgen.h>
  38 #include <sys/times.h>
  39 #include <sys/wait.h>
  40 #include <termios.h>
  41 #include <sys/mman.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/resource.h>
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <net/if.h>
  47 #include <arpa/inet.h>
  48 #include <dirent.h>
  49 #include <netdb.h>
  50 #include <sys/select.h>
  51
  52 #ifdef CONFIG_BSD
  53 #include <sys/stat.h>
  54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <malloc.h>
  62
  63 #include <linux/ppdev.h>
  64 #include <linux/parport.h>
  65 #endif
  66 #ifdef __sun__
  67 #include <sys/stat.h>
  68 #include <sys/ethernet.h>
  69 #include <sys/sockio.h>
  70 #include <netinet/arp.h>
  71 #include <netinet/in_systm.h>
  72 #include <netinet/ip.h>
  73 #include <netinet/ip_icmp.h> // must come after ip.h
  74 #include <netinet/udp.h>
  75 #include <netinet/tcp.h>
  76 #include <net/if.h>
  77 #include <syslog.h>
  78 #include <stropts.h>
  79 #endif
  80 #endif
  81 #endif
  82
  83 #if defined(CONFIG_VDE)
  84 #include <libvdeplug.h>
  85 #endif
  86
  87 #ifdef _WIN32
  88 #include <windows.h>
  89 #endif
  90
  91 #ifdef CONFIG_SDL
  92 #if defined(__APPLE__) || defined(main)
  93 #include <SDL.h>
  94 int qemu_main(int argc, char **argv, char **envp);
  95 int main(int argc, char **argv)
  96 {
  97     return qemu_main(argc, argv, NULL);
  98 }
  99 #undef main
 100 #define main qemu_main
 101 #endif
 102 #endif /* CONFIG_SDL */
 103
 104 #ifdef CONFIG_COCOA
 105 #undef main
 106 #define main qemu_main
 107 #endif /* CONFIG_COCOA */
 108
 109 #include <glib.h>
 110
 111 #include "hw/hw.h"
 112 #include "hw/boards.h"
 113 #include "hw/usb.h"
 114 #include "hw/pcmcia.h"
 115 #include "hw/pc.h"
 116 #include "hw/isa.h"
 117 #include "hw/baum.h"
 118 #include "hw/bt.h"
 119 #include "hw/watchdog.h"
 120 #include "hw/smbios.h"
 121 #include "hw/xen.h"
 122 #include "hw/qdev.h"
 123 #include "hw/loader.h"
 124 #include "bt-host.h"
 125 #include "net.h"
 126 #include "net/slirp.h"
 127 #include "monitor.h"
 128 #include "console.h"
 129 #include "sysemu.h"
 130 #include "gdbstub.h"
 131 #include "qemu-timer.h"
 132 #include "qemu-char.h"
 133 #include "cache-utils.h"
 134 #include "blockdev.h"
 135 #include "hw/block-common.h"
 136 #include "block-migration.h"
 137 #include "dma.h"
 138 #include "audio/audio.h"
 139 #include "migration.h"
 140 #include "kvm.h"
 141 #include "qjson.h"
 142 #include "qemu-option.h"
 143 #include "qemu-config.h"
 144 #include "qemu-options.h"
 145 #include "qmp-commands.h"
 146 #include "main-loop.h"
 147 #ifdef CONFIG_VIRTFS
 148 #include "fsdev/qemu-fsdev.h"
 149 #endif
 150 #include "qtest.h"
 151
 152 #include "disas.h"
 153
 154 #include "qemu_socket.h"
 155
 156 #include "slirp/libslirp.h"
 157
 158 #include "trace.h"
 159 #include "trace/control.h"
 160 #include "qemu-queue.h"
 161 #include "cpus.h"
 162 #include "arch_init.h"
 163 #include "osdep.h"
 164
 165 #include "ui/qemu-spice.h"
 166
 167 //#define DEBUG_NET
 168 //#define DEBUG_SLIRP
 169
 170 #define DEFAULT_RAM_SIZE 128
 171
 172 #define MAX_VIRTIO_CONSOLES 1
 173
 174 static const char *data_dir;
 175 const char *bios_name = NULL;
 176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 177 DisplayType display_type = DT_DEFAULT;
 178 int display_remote = 0;
 179 const char* keyboard_layout = NULL;
 180 ram_addr_t ram_size;
 181 const char *mem_path = NULL;
 182 #ifdef MAP_POPULATE
 183 int mem_prealloc = 0; /* force preallocation of physical target memory */
 184 #endif
 185 int nb_nics;
 186 NICInfo nd_table[MAX_NICS];
 187 int autostart;
 188 static int rtc_utc = 1;
 189 static int rtc_date_offset = -1; /* -1 means no change */
 190 QEMUClock *rtc_clock;
 191 int vga_interface_type = VGA_NONE;
 192 static int full_screen = 0;
 193 #ifdef CONFIG_SDL
 194 static int no_frame = 0;
 195 #endif
 196 int no_quit = 0;
 197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 200 int win2k_install_hack = 0;
 201 int usb_enabled = 0;
 202 int singlestep = 0;
 203 int smp_cpus = 1;
 204 int max_cpus = 0;
 205 int smp_cores = 1;
 206 int smp_threads = 1;
 207 #ifdef CONFIG_VNC
 208 const char *vnc_display;
 209 #endif
 210 int acpi_enabled = 1;
 211 int no_hpet = 0;
 212 int fd_bootchk = 1;
 213 int no_reboot = 0;
 214 int no_shutdown = 0;
 215 int cursor_hide = 1;
 216 int graphic_rotate = 0;
 217 const char *watchdog;
 218 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 219 int nb_option_roms;
 220 int semihosting_enabled = 0;
 221 int old_param = 0;
 222 const char *qemu_name;
 223 int alt_grab = 0;
 224 int ctrl_grab = 0;
 225 unsigned int nb_prom_envs = 0;
 226 const char *prom_envs[MAX_PROM_ENVS];
 227 int boot_menu;
 228 uint8_t *boot_splash_filedata;
 229 int boot_splash_filedata_size;
 230 uint8_t qemu_extra_params_fw[2];
 231
 232 typedef struct FWBootEntry FWBootEntry;
 233
 234 struct FWBootEntry {
 235     QTAILQ_ENTRY(FWBootEntry) link;
 236     int32_t bootindex;
 237     DeviceState *dev;
 238     char *suffix;
 239 };
 240
 241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 242
 243 int nb_numa_nodes;
 244 uint64_t node_mem[MAX_NODES];
 245 unsigned long *node_cpumask[MAX_NODES];
 246
 247 uint8_t qemu_uuid[16];
 248
 249 static QEMUBootSetHandler *boot_set_handler;
 250 static void *boot_set_opaque;
 251
 252 static NotifierList exit_notifiers =
 253     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 254
 255 static NotifierList machine_init_done_notifiers =
 256     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 257
 258 static int tcg_allowed = 1;
 259 int kvm_allowed = 0;
 260 int xen_allowed = 0;
 261 uint32_t xen_domid;
 262 enum xen_mode xen_mode = XEN_EMULATE;
 263 static int tcg_tb_size;
 264
 265 static int default_serial = 1;
 266 static int default_parallel = 1;
 267 static int default_virtcon = 1;
 268 static int default_monitor = 1;
 269 static int default_floppy = 1;
 270 static int default_cdrom = 1;
 271 static int default_sdcard = 1;
 272 static int default_vga = 1;
 273
 274 static struct {
 275     const char *driver;
 276     int *flag;
 277 } default_list[] = {
 278     { .driver = "isa-serial",           .flag = &default_serial    },
 279     { .driver = "isa-parallel",         .flag = &default_parallel  },
 280     { .driver = "isa-fdc",              .flag = &default_floppy    },
 281     { .driver = "ide-cd",               .flag = &default_cdrom     },
 282     { .driver = "ide-hd",               .flag = &default_cdrom     },
 283     { .driver = "ide-drive",            .flag = &default_cdrom     },
 284     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 285     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 286     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 287     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 288     { .driver = "VGA",                  .flag = &default_vga       },
 289     { .driver = "isa-vga",              .flag = &default_vga       },
 290     { .driver = "cirrus-vga",           .flag = &default_vga       },
 291     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 292     { .driver = "vmware-svga",          .flag = &default_vga       },
 293     { .driver = "qxl-vga",              .flag = &default_vga       },
 294 };
 295
 296 static void res_free(void)
 297 {
 298     if (boot_splash_filedata != NULL) {
 299         g_free(boot_splash_filedata);
 300         boot_splash_filedata = NULL;
 301     }
 302 }
 303
 304 static int default_driver_check(QemuOpts *opts, void *opaque)
 305 {
 306     const char *driver = qemu_opt_get(opts, "driver");
 307     int i;
 308
 309     if (!driver)
 310         return 0;
 311     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 312         if (strcmp(default_list[i].driver, driver) != 0)
 313             continue;
 314         *(default_list[i].flag) = 0;
 315     }
 316     return 0;
 317 }
 318
 319 /***********************************************************/
 320 /* QEMU state */
 321
 322 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 323
 324 typedef struct {
 325     RunState from;
 326     RunState to;
 327 } RunStateTransition;
 328
 329 static const RunStateTransition runstate_transitions_def[] = {
 330     /*     from      ->     to      */
 331     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 332
 333     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 334     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 335
 336     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 337     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 338
 339     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 340     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 341
 342     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 343     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 344
 345     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 346     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 347
 348     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 349     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 350     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 351
 352     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 353     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 354
 355     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 356
 357     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 358     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 359     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 360     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 361     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 362     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 363     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 364     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 365     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 366
 367     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 368
 369     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 370     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 371
 372     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 373     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 374     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 375     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 376
 377     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 378     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 379
 380     { RUN_STATE_MAX, RUN_STATE_MAX },
 381 };
 382
 383 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 384
 385 bool runstate_check(RunState state)
 386 {
 387     return current_run_state == state;
 388 }
 389
 390 void runstate_init(void)
 391 {
 392     const RunStateTransition *p;
 393
 394     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 395
 396     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 397         runstate_valid_transitions[p->from][p->to] = true;
 398     }
 399 }
 400
 401 /* This function will abort() on invalid state transitions */
 402 void runstate_set(RunState new_state)
 403 {
 404     assert(new_state < RUN_STATE_MAX);
 405
 406     if (!runstate_valid_transitions[current_run_state][new_state]) {
 407         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 408                 RunState_lookup[current_run_state],
 409                 RunState_lookup[new_state]);
 410         abort();
 411     }
 412
 413     current_run_state = new_state;
 414 }
 415
 416 int runstate_is_running(void)
 417 {
 418     return runstate_check(RUN_STATE_RUNNING);
 419 }
 420
 421 StatusInfo *qmp_query_status(Error **errp)
 422 {
 423     StatusInfo *info = g_malloc0(sizeof(*info));
 424
 425     info->running = runstate_is_running();
 426     info->singlestep = singlestep;
 427     info->status = current_run_state;
 428
 429     return info;
 430 }
 431
 432 /***********************************************************/
 433 /* real time host monotonic timer */
 434
 435 /***********************************************************/
 436 /* host time/date access */
 437 void qemu_get_timedate(struct tm *tm, int offset)
 438 {
 439     time_t ti;
 440     struct tm *ret;
 441
 442     time(&ti);
 443     ti += offset;
 444     if (rtc_date_offset == -1) {
 445         if (rtc_utc)
 446             ret = gmtime(&ti);
 447         else
 448             ret = localtime(&ti);
 449     } else {
 450         ti -= rtc_date_offset;
 451         ret = gmtime(&ti);
 452     }
 453
 454     memcpy(tm, ret, sizeof(struct tm));
 455 }
 456
 457 int qemu_timedate_diff(struct tm *tm)
 458 {
 459     time_t seconds;
 460
 461     if (rtc_date_offset == -1)
 462         if (rtc_utc)
 463             seconds = mktimegm(tm);
 464         else {
 465             struct tm tmp = *tm;
 466             tmp.tm_isdst = -1; /* use timezone to figure it out */
 467             seconds = mktime(&tmp);
 468         }
 469     else
 470         seconds = mktimegm(tm) + rtc_date_offset;
 471
 472     return seconds - time(NULL);
 473 }
 474
 475 void rtc_change_mon_event(struct tm *tm)
 476 {
 477     QObject *data;
 478
 479     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 480     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 481     qobject_decref(data);
 482 }
 483
 484 static void configure_rtc_date_offset(const char *startdate, int legacy)
 485 {
 486     time_t rtc_start_date;
 487     struct tm tm;
 488
 489     if (!strcmp(startdate, "now") && legacy) {
 490         rtc_date_offset = -1;
 491     } else {
 492         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 493                    &tm.tm_year,
 494                    &tm.tm_mon,
 495                    &tm.tm_mday,
 496                    &tm.tm_hour,
 497                    &tm.tm_min,
 498                    &tm.tm_sec) == 6) {
 499             /* OK */
 500         } else if (sscanf(startdate, "%d-%d-%d",
 501                           &tm.tm_year,
 502                           &tm.tm_mon,
 503                           &tm.tm_mday) == 3) {
 504             tm.tm_hour = 0;
 505             tm.tm_min = 0;
 506             tm.tm_sec = 0;
 507         } else {
 508             goto date_fail;
 509         }
 510         tm.tm_year -= 1900;
 511         tm.tm_mon--;
 512         rtc_start_date = mktimegm(&tm);
 513         if (rtc_start_date == -1) {
 514         date_fail:
 515             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 516                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 517             exit(1);
 518         }
 519         rtc_date_offset = time(NULL) - rtc_start_date;
 520     }
 521 }
 522
 523 static void configure_rtc(QemuOpts *opts)
 524 {
 525     const char *value;
 526
 527     value = qemu_opt_get(opts, "base");
 528     if (value) {
 529         if (!strcmp(value, "utc")) {
 530             rtc_utc = 1;
 531         } else if (!strcmp(value, "localtime")) {
 532             rtc_utc = 0;
 533         } else {
 534             configure_rtc_date_offset(value, 0);
 535         }
 536     }
 537     value = qemu_opt_get(opts, "clock");
 538     if (value) {
 539         if (!strcmp(value, "host")) {
 540             rtc_clock = host_clock;
 541         } else if (!strcmp(value, "rt")) {
 542             rtc_clock = rt_clock;
 543         } else if (!strcmp(value, "vm")) {
 544             rtc_clock = vm_clock;
 545         } else {
 546             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 547             exit(1);
 548         }
 549     }
 550     value = qemu_opt_get(opts, "driftfix");
 551     if (value) {
 552         if (!strcmp(value, "slew")) {
 553             static GlobalProperty slew_lost_ticks[] = {
 554                 {
 555                     .driver   = "mc146818rtc",
 556                     .property = "lost_tick_policy",
 557                     .value    = "slew",
 558                 },
 559                 { /* end of list */ }
 560             };
 561
 562             qdev_prop_register_global_list(slew_lost_ticks);
 563         } else if (!strcmp(value, "none")) {
 564             /* discard is default */
 565         } else {
 566             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 567             exit(1);
 568         }
 569     }
 570 }
 571
 572 /***********************************************************/
 573 /* Bluetooth support */
 574 static int nb_hcis;
 575 static int cur_hci;
 576 static struct HCIInfo *hci_table[MAX_NICS];
 577
 578 static struct bt_vlan_s {
 579     struct bt_scatternet_s net;
 580     int id;
 581     struct bt_vlan_s *next;
 582 } *first_bt_vlan;
 583
 584 /* find or alloc a new bluetooth "VLAN" */
 585 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 586 {
 587     struct bt_vlan_s **pvlan, *vlan;
 588     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 589         if (vlan->id == id)
 590             return &vlan->net;
 591     }
 592     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 593     vlan->id = id;
 594     pvlan = &first_bt_vlan;
 595     while (*pvlan != NULL)
 596         pvlan = &(*pvlan)->next;
 597     *pvlan = vlan;
 598     return &vlan->net;
 599 }
 600
 601 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 602 {
 603 }
 604
 605 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 606 {
 607     return -ENOTSUP;
 608 }
 609
 610 static struct HCIInfo null_hci = {
 611     .cmd_send = null_hci_send,
 612     .sco_send = null_hci_send,
 613     .acl_send = null_hci_send,
 614     .bdaddr_set = null_hci_addr_set,
 615 };
 616
 617 struct HCIInfo *qemu_next_hci(void)
 618 {
 619     if (cur_hci == nb_hcis)
 620         return &null_hci;
 621
 622     return hci_table[cur_hci++];
 623 }
 624
 625 static struct HCIInfo *hci_init(const char *str)
 626 {
 627     char *endp;
 628     struct bt_scatternet_s *vlan = 0;
 629
 630     if (!strcmp(str, "null"))
 631         /* null */
 632         return &null_hci;
 633     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 634         /* host[:hciN] */
 635         return bt_host_hci(str[4] ? str + 5 : "hci0");
 636     else if (!strncmp(str, "hci", 3)) {
 637         /* hci[,vlan=n] */
 638         if (str[3]) {
 639             if (!strncmp(str + 3, ",vlan=", 6)) {
 640                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 641                 if (*endp)
 642                     vlan = 0;
 643             }
 644         } else
 645             vlan = qemu_find_bt_vlan(0);
 646         if (vlan)
 647            return bt_new_hci(vlan);
 648     }
 649
 650     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 651
 652     return 0;
 653 }
 654
 655 static int bt_hci_parse(const char *str)
 656 {
 657     struct HCIInfo *hci;
 658     bdaddr_t bdaddr;
 659
 660     if (nb_hcis >= MAX_NICS) {
 661         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 662         return -1;
 663     }
 664
 665     hci = hci_init(str);
 666     if (!hci)
 667         return -1;
 668
 669     bdaddr.b[0] = 0x52;
 670     bdaddr.b[1] = 0x54;
 671     bdaddr.b[2] = 0x00;
 672     bdaddr.b[3] = 0x12;
 673     bdaddr.b[4] = 0x34;
 674     bdaddr.b[5] = 0x56 + nb_hcis;
 675     hci->bdaddr_set(hci, bdaddr.b);
 676
 677     hci_table[nb_hcis++] = hci;
 678
 679     return 0;
 680 }
 681
 682 static void bt_vhci_add(int vlan_id)
 683 {
 684     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 685
 686     if (!vlan->slave)
 687         fprintf(stderr, "qemu: warning: adding a VHCI to "
 688                         "an empty scatternet %i\n", vlan_id);
 689
 690     bt_vhci_init(bt_new_hci(vlan));
 691 }
 692
 693 static struct bt_device_s *bt_device_add(const char *opt)
 694 {
 695     struct bt_scatternet_s *vlan;
 696     int vlan_id = 0;
 697     char *endp = strstr(opt, ",vlan=");
 698     int len = (endp ? endp - opt : strlen(opt)) + 1;
 699     char devname[10];
 700
 701     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 702
 703     if (endp) {
 704         vlan_id = strtol(endp + 6, &endp, 0);
 705         if (*endp) {
 706             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 707             return 0;
 708         }
 709     }
 710
 711     vlan = qemu_find_bt_vlan(vlan_id);
 712
 713     if (!vlan->slave)
 714         fprintf(stderr, "qemu: warning: adding a slave device to "
 715                         "an empty scatternet %i\n", vlan_id);
 716
 717     if (!strcmp(devname, "keyboard"))
 718         return bt_keyboard_init(vlan);
 719
 720     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 721     return 0;
 722 }
 723
 724 static int bt_parse(const char *opt)
 725 {
 726     const char *endp, *p;
 727     int vlan;
 728
 729     if (strstart(opt, "hci", &endp)) {
 730         if (!*endp || *endp == ',') {
 731             if (*endp)
 732                 if (!strstart(endp, ",vlan=", 0))
 733                     opt = endp + 1;
 734
 735             return bt_hci_parse(opt);
 736        }
 737     } else if (strstart(opt, "vhci", &endp)) {
 738         if (!*endp || *endp == ',') {
 739             if (*endp) {
 740                 if (strstart(endp, ",vlan=", &p)) {
 741                     vlan = strtol(p, (char **) &endp, 0);
 742                     if (*endp) {
 743                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 744                         return 1;
 745                     }
 746                 } else {
 747                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 748                     return 1;
 749                 }
 750             } else
 751                 vlan = 0;
 752
 753             bt_vhci_add(vlan);
 754             return 0;
 755         }
 756     } else if (strstart(opt, "device:", &endp))
 757         return !bt_device_add(endp);
 758
 759     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 760     return 1;
 761 }
 762
 763 /***********************************************************/
 764 /* QEMU Block devices */
 765
 766 #define HD_OPTS "media=disk"
 767 #define CDROM_OPTS "media=cdrom"
 768 #define FD_OPTS ""
 769 #define PFLASH_OPTS ""
 770 #define MTD_OPTS ""
 771 #define SD_OPTS ""
 772
 773 static int drive_init_func(QemuOpts *opts, void *opaque)
 774 {
 775     int *use_scsi = opaque;
 776
 777     return drive_init(opts, *use_scsi) == NULL;
 778 }
 779
 780 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 781 {
 782     if (NULL == qemu_opt_get(opts, "snapshot")) {
 783         qemu_opt_set(opts, "snapshot", "on");
 784     }
 785     return 0;
 786 }
 787
 788 static void default_drive(int enable, int snapshot, int use_scsi,
 789                           BlockInterfaceType type, int index,
 790                           const char *optstr)
 791 {
 792     QemuOpts *opts;
 793
 794     if (type == IF_DEFAULT) {
 795         type = use_scsi ? IF_SCSI : IF_IDE;
 796     }
 797
 798     if (!enable || drive_get_by_index(type, index)) {
 799         return;
 800     }
 801
 802     opts = drive_add(type, index, NULL, optstr);
 803     if (snapshot) {
 804         drive_enable_snapshot(opts, NULL);
 805     }
 806     if (!drive_init(opts, use_scsi)) {
 807         exit(1);
 808     }
 809 }
 810
 811 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 812 {
 813     boot_set_handler = func;
 814     boot_set_opaque = opaque;
 815 }
 816
 817 int qemu_boot_set(const char *boot_devices)
 818 {
 819     if (!boot_set_handler) {
 820         return -EINVAL;
 821     }
 822     return boot_set_handler(boot_set_opaque, boot_devices);
 823 }
 824
 825 static void validate_bootdevices(char *devices)
 826 {
 827     /* We just do some generic consistency checks */
 828     const char *p;
 829     int bitmap = 0;
 830
 831     for (p = devices; *p != '\0'; p++) {
 832         /* Allowed boot devices are:
 833          * a-b: floppy disk drives
 834          * c-f: IDE disk drives
 835          * g-m: machine implementation dependent drives
 836          * n-p: network devices
 837          * It's up to each machine implementation to check if the given boot
 838          * devices match the actual hardware implementation and firmware
 839          * features.
 840          */
 841         if (*p < 'a' || *p > 'p') {
 842             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 843             exit(1);
 844         }
 845         if (bitmap & (1 << (*p - 'a'))) {
 846             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 847             exit(1);
 848         }
 849         bitmap |= 1 << (*p - 'a');
 850     }
 851 }
 852
 853 static void restore_boot_devices(void *opaque)
 854 {
 855     char *standard_boot_devices = opaque;
 856     static int first = 1;
 857
 858     /* Restore boot order and remove ourselves after the first boot */
 859     if (first) {
 860         first = 0;
 861         return;
 862     }
 863
 864     qemu_boot_set(standard_boot_devices);
 865
 866     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 867     g_free(standard_boot_devices);
 868 }
 869
 870 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 871                           const char *suffix)
 872 {
 873     FWBootEntry *node, *i;
 874
 875     if (bootindex < 0) {
 876         return;
 877     }
 878
 879     assert(dev != NULL || suffix != NULL);
 880
 881     node = g_malloc0(sizeof(FWBootEntry));
 882     node->bootindex = bootindex;
 883     node->suffix = suffix ? g_strdup(suffix) : NULL;
 884     node->dev = dev;
 885
 886     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 887         if (i->bootindex == bootindex) {
 888             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 889             exit(1);
 890         } else if (i->bootindex < bootindex) {
 891             continue;
 892         }
 893         QTAILQ_INSERT_BEFORE(i, node, link);
 894         return;
 895     }
 896     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 897 }
 898
 899 /*
 900  * This function returns null terminated string that consist of new line
 901  * separated device paths.
 902  *
 903  * memory pointed by "size" is assigned total length of the array in bytes
 904  *
 905  */
 906 char *get_boot_devices_list(uint32_t *size)
 907 {
 908     FWBootEntry *i;
 909     uint32_t total = 0;
 910     char *list = NULL;
 911
 912     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 913         char *devpath = NULL, *bootpath;
 914         int len;
 915
 916         if (i->dev) {
 917             devpath = qdev_get_fw_dev_path(i->dev);
 918             assert(devpath);
 919         }
 920
 921         if (i->suffix && devpath) {
 922             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 923
 924             bootpath = g_malloc(bootpathlen);
 925             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 926             g_free(devpath);
 927         } else if (devpath) {
 928             bootpath = devpath;
 929         } else {
 930             assert(i->suffix);
 931             bootpath = g_strdup(i->suffix);
 932         }
 933
 934         if (total) {
 935             list[total-1] = '\n';
 936         }
 937         len = strlen(bootpath) + 1;
 938         list = g_realloc(list, total + len);
 939         memcpy(&list[total], bootpath, len);
 940         total += len;
 941         g_free(bootpath);
 942     }
 943
 944     *size = total;
 945
 946     return list;
 947 }
 948
 949 static void numa_add(const char *optarg)
 950 {
 951     char option[128];
 952     char *endptr;
 953     unsigned long long value, endvalue;
 954     int nodenr;
 955
 956     value = endvalue = 0ULL;
 957
 958     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 959     if (!strcmp(option, "node")) {
 960         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 961             nodenr = nb_numa_nodes;
 962         } else {
 963             nodenr = strtoull(option, NULL, 10);
 964         }
 965
 966         if (get_param_value(option, 128, "mem", optarg) == 0) {
 967             node_mem[nodenr] = 0;
 968         } else {
 969             int64_t sval;
 970             sval = strtosz(option, &endptr);
 971             if (sval < 0 || *endptr) {
 972                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 973                 exit(1);
 974             }
 975             node_mem[nodenr] = sval;
 976         }
 977         if (get_param_value(option, 128, "cpus", optarg) != 0) {
 978             value = strtoull(option, &endptr, 10);
 979             if (*endptr == '-') {
 980                 endvalue = strtoull(endptr+1, &endptr, 10);
 981             } else {
 982                 endvalue = value;
 983             }
 984
 985             if (!(endvalue < MAX_CPUMASK_BITS)) {
 986                 endvalue = MAX_CPUMASK_BITS - 1;
 987                 fprintf(stderr,
 988                     "A max of %d CPUs are supported in a guest\n",
 989                      MAX_CPUMASK_BITS);
 990             }
 991
 992             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
 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 NotifierList suspend_notifiers =
1297     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1298 static NotifierList wakeup_notifiers =
1299     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1300 static uint32_t wakeup_reason_mask = ~0;
1301 static RunState vmstop_requested = RUN_STATE_MAX;
1302
1303 int qemu_shutdown_requested_get(void)
1304 {
1305     return shutdown_requested;
1306 }
1307
1308 int qemu_reset_requested_get(void)
1309 {
1310     return reset_requested;
1311 }
1312
1313 int qemu_shutdown_requested(void)
1314 {
1315     int r = shutdown_requested;
1316     shutdown_requested = 0;
1317     return r;
1318 }
1319
1320 void qemu_kill_report(void)
1321 {
1322     if (!qtest_enabled() && shutdown_signal != -1) {
1323         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1324         if (shutdown_pid == 0) {
1325             /* This happens for eg ^C at the terminal, so it's worth
1326              * avoiding printing an odd message in that case.
1327              */
1328             fputc('\n', stderr);
1329         } else {
1330             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1331         }
1332         shutdown_signal = -1;
1333     }
1334 }
1335
1336 int qemu_reset_requested(void)
1337 {
1338     int r = reset_requested;
1339     reset_requested = 0;
1340     return r;
1341 }
1342
1343 static int qemu_suspend_requested(void)
1344 {
1345     int r = suspend_requested;
1346     suspend_requested = 0;
1347     return r;
1348 }
1349
1350 int qemu_powerdown_requested(void)
1351 {
1352     int r = powerdown_requested;
1353     powerdown_requested = 0;
1354     return r;
1355 }
1356
1357 static int qemu_debug_requested(void)
1358 {
1359     int r = debug_requested;
1360     debug_requested = 0;
1361     return r;
1362 }
1363
1364 /* We use RUN_STATE_MAX but any invalid value will do */
1365 static bool qemu_vmstop_requested(RunState *r)
1366 {
1367     if (vmstop_requested < RUN_STATE_MAX) {
1368         *r = vmstop_requested;
1369         vmstop_requested = RUN_STATE_MAX;
1370         return true;
1371     }
1372
1373     return false;
1374 }
1375
1376 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1377 {
1378     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1379
1380     re->func = func;
1381     re->opaque = opaque;
1382     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1383 }
1384
1385 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1386 {
1387     QEMUResetEntry *re;
1388
1389     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1390         if (re->func == func && re->opaque == opaque) {
1391             QTAILQ_REMOVE(&reset_handlers, re, entry);
1392             g_free(re);
1393             return;
1394         }
1395     }
1396 }
1397
1398 void qemu_system_reset(bool report)
1399 {
1400     QEMUResetEntry *re, *nre;
1401
1402     /* reset all devices */
1403     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1404         re->func(re->opaque);
1405     }
1406     if (report) {
1407         monitor_protocol_event(QEVENT_RESET, NULL);
1408     }
1409     cpu_synchronize_all_post_reset();
1410 }
1411
1412 void qemu_system_reset_request(void)
1413 {
1414     if (no_reboot) {
1415         shutdown_requested = 1;
1416     } else {
1417         reset_requested = 1;
1418     }
1419     cpu_stop_current();
1420     qemu_notify_event();
1421 }
1422
1423 static void qemu_system_suspend(void)
1424 {
1425     pause_all_vcpus();
1426     notifier_list_notify(&suspend_notifiers, NULL);
1427     runstate_set(RUN_STATE_SUSPENDED);
1428     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1429 }
1430
1431 void qemu_system_suspend_request(void)
1432 {
1433     if (runstate_check(RUN_STATE_SUSPENDED)) {
1434         return;
1435     }
1436     suspend_requested = 1;
1437     cpu_stop_current();
1438     qemu_notify_event();
1439 }
1440
1441 void qemu_register_suspend_notifier(Notifier *notifier)
1442 {
1443     notifier_list_add(&suspend_notifiers, notifier);
1444 }
1445
1446 void qemu_system_wakeup_request(WakeupReason reason)
1447 {
1448     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1449         return;
1450     }
1451     if (!(wakeup_reason_mask & (1 << reason))) {
1452         return;
1453     }
1454     runstate_set(RUN_STATE_RUNNING);
1455     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1456     notifier_list_notify(&wakeup_notifiers, &reason);
1457     reset_requested = 1;
1458     qemu_notify_event();
1459 }
1460
1461 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1462 {
1463     if (enabled) {
1464         wakeup_reason_mask |= (1 << reason);
1465     } else {
1466         wakeup_reason_mask &= ~(1 << reason);
1467     }
1468 }
1469
1470 void qemu_register_wakeup_notifier(Notifier *notifier)
1471 {
1472     notifier_list_add(&wakeup_notifiers, notifier);
1473 }
1474
1475 void qemu_system_killed(int signal, pid_t pid)
1476 {
1477     shutdown_signal = signal;
1478     shutdown_pid = pid;
1479     no_shutdown = 0;
1480     qemu_system_shutdown_request();
1481 }
1482
1483 void qemu_system_shutdown_request(void)
1484 {
1485     shutdown_requested = 1;
1486     qemu_notify_event();
1487 }
1488
1489 void qemu_system_powerdown_request(void)
1490 {
1491     powerdown_requested = 1;
1492     qemu_notify_event();
1493 }
1494
1495 void qemu_system_debug_request(void)
1496 {
1497     debug_requested = 1;
1498     qemu_notify_event();
1499 }
1500
1501 void qemu_system_vmstop_request(RunState state)
1502 {
1503     vmstop_requested = state;
1504     qemu_notify_event();
1505 }
1506
1507 qemu_irq qemu_system_powerdown;
1508
1509 static bool main_loop_should_exit(void)
1510 {
1511     RunState r;
1512     if (qemu_debug_requested()) {
1513         vm_stop(RUN_STATE_DEBUG);
1514     }
1515     if (qemu_suspend_requested()) {
1516         qemu_system_suspend();
1517     }
1518     if (qemu_shutdown_requested()) {
1519         qemu_kill_report();
1520         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1521         if (no_shutdown) {
1522             vm_stop(RUN_STATE_SHUTDOWN);
1523         } else {
1524             return true;
1525         }
1526     }
1527     if (qemu_reset_requested()) {
1528         pause_all_vcpus();
1529         cpu_synchronize_all_states();
1530         qemu_system_reset(VMRESET_REPORT);
1531         resume_all_vcpus();
1532         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1533             runstate_check(RUN_STATE_SHUTDOWN)) {
1534             runstate_set(RUN_STATE_PAUSED);
1535         }
1536     }
1537     if (qemu_powerdown_requested()) {
1538         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1539         qemu_irq_raise(qemu_system_powerdown);
1540     }
1541     if (qemu_vmstop_requested(&r)) {
1542         vm_stop(r);
1543     }
1544     return false;
1545 }
1546
1547 static void main_loop(void)
1548 {
1549     bool nonblocking;
1550     int last_io = 0;
1551 #ifdef CONFIG_PROFILER
1552     int64_t ti;
1553 #endif
1554     do {
1555         nonblocking = !kvm_enabled() && last_io > 0;
1556 #ifdef CONFIG_PROFILER
1557         ti = profile_getclock();
1558 #endif
1559         last_io = main_loop_wait(nonblocking);
1560 #ifdef CONFIG_PROFILER
1561         dev_time += profile_getclock() - ti;
1562 #endif
1563     } while (!main_loop_should_exit());
1564 }
1565
1566 static void version(void)
1567 {
1568     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1569 }
1570
1571 static void help(int exitcode)
1572 {
1573     version();
1574     printf("usage: %s [options] [disk_image]\n\n"
1575            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1576             error_get_progname());
1577
1578 #define QEMU_OPTIONS_GENERATE_HELP
1579 #include "qemu-options-wrapper.h"
1580
1581     printf("\nDuring emulation, the following keys are useful:\n"
1582            "ctrl-alt-f      toggle full screen\n"
1583            "ctrl-alt-n      switch to virtual console 'n'\n"
1584            "ctrl-alt        toggle mouse and keyboard grab\n"
1585            "\n"
1586            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1587
1588     exit(exitcode);
1589 }
1590
1591 #define HAS_ARG 0x0001
1592
1593 typedef struct QEMUOption {
1594     const char *name;
1595     int flags;
1596     int index;
1597     uint32_t arch_mask;
1598 } QEMUOption;
1599
1600 static const QEMUOption qemu_options[] = {
1601     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1602 #define QEMU_OPTIONS_GENERATE_OPTIONS
1603 #include "qemu-options-wrapper.h"
1604     { NULL },
1605 };
1606
1607 static bool vga_available(void)
1608 {
1609     return qdev_exists("VGA") || qdev_exists("isa-vga");
1610 }
1611
1612 static bool cirrus_vga_available(void)
1613 {
1614     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1615 }
1616
1617 static bool vmware_vga_available(void)
1618 {
1619     return qdev_exists("vmware-svga");
1620 }
1621
1622 static void select_vgahw (const char *p)
1623 {
1624     const char *opts;
1625
1626     vga_interface_type = VGA_NONE;
1627     if (strstart(p, "std", &opts)) {
1628         if (vga_available()) {
1629             vga_interface_type = VGA_STD;
1630         } else {
1631             fprintf(stderr, "Error: standard VGA not available\n");
1632             exit(0);
1633         }
1634     } else if (strstart(p, "cirrus", &opts)) {
1635         if (cirrus_vga_available()) {
1636             vga_interface_type = VGA_CIRRUS;
1637         } else {
1638             fprintf(stderr, "Error: Cirrus VGA not available\n");
1639             exit(0);
1640         }
1641     } else if (strstart(p, "vmware", &opts)) {
1642         if (vmware_vga_available()) {
1643             vga_interface_type = VGA_VMWARE;
1644         } else {
1645             fprintf(stderr, "Error: VMWare SVGA not available\n");
1646             exit(0);
1647         }
1648     } else if (strstart(p, "xenfb", &opts)) {
1649         vga_interface_type = VGA_XENFB;
1650     } else if (strstart(p, "qxl", &opts)) {
1651         vga_interface_type = VGA_QXL;
1652     } else if (!strstart(p, "none", &opts)) {
1653     invalid_vga:
1654         fprintf(stderr, "Unknown vga type: %s\n", p);
1655         exit(1);
1656     }
1657     while (*opts) {
1658         const char *nextopt;
1659
1660         if (strstart(opts, ",retrace=", &nextopt)) {
1661             opts = nextopt;
1662             if (strstart(opts, "dumb", &nextopt))
1663                 vga_retrace_method = VGA_RETRACE_DUMB;
1664             else if (strstart(opts, "precise", &nextopt))
1665                 vga_retrace_method = VGA_RETRACE_PRECISE;
1666             else goto invalid_vga;
1667         } else goto invalid_vga;
1668         opts = nextopt;
1669     }
1670 }
1671
1672 static DisplayType select_display(const char *p)
1673 {
1674     const char *opts;
1675     DisplayType display = DT_DEFAULT;
1676
1677     if (strstart(p, "sdl", &opts)) {
1678 #ifdef CONFIG_SDL
1679         display = DT_SDL;
1680         while (*opts) {
1681             const char *nextopt;
1682
1683             if (strstart(opts, ",frame=", &nextopt)) {
1684                 opts = nextopt;
1685                 if (strstart(opts, "on", &nextopt)) {
1686                     no_frame = 0;
1687                 } else if (strstart(opts, "off", &nextopt)) {
1688                     no_frame = 1;
1689                 } else {
1690                     goto invalid_sdl_args;
1691                 }
1692             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1693                 opts = nextopt;
1694                 if (strstart(opts, "on", &nextopt)) {
1695                     alt_grab = 1;
1696                 } else if (strstart(opts, "off", &nextopt)) {
1697                     alt_grab = 0;
1698                 } else {
1699                     goto invalid_sdl_args;
1700                 }
1701             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1702                 opts = nextopt;
1703                 if (strstart(opts, "on", &nextopt)) {
1704                     ctrl_grab = 1;
1705                 } else if (strstart(opts, "off", &nextopt)) {
1706                     ctrl_grab = 0;
1707                 } else {
1708                     goto invalid_sdl_args;
1709                 }
1710             } else if (strstart(opts, ",window_close=", &nextopt)) {
1711                 opts = nextopt;
1712                 if (strstart(opts, "on", &nextopt)) {
1713                     no_quit = 0;
1714                 } else if (strstart(opts, "off", &nextopt)) {
1715                     no_quit = 1;
1716                 } else {
1717                     goto invalid_sdl_args;
1718                 }
1719             } else {
1720             invalid_sdl_args:
1721                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1722                 exit(1);
1723             }
1724             opts = nextopt;
1725         }
1726 #else
1727         fprintf(stderr, "SDL support is disabled\n");
1728         exit(1);
1729 #endif
1730     } else if (strstart(p, "vnc", &opts)) {
1731 #ifdef CONFIG_VNC
1732         display_remote++;
1733
1734         if (*opts) {
1735             const char *nextopt;
1736
1737             if (strstart(opts, "=", &nextopt)) {
1738                 vnc_display = nextopt;
1739             }
1740         }
1741         if (!vnc_display) {
1742             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1743             exit(1);
1744         }
1745 #else
1746         fprintf(stderr, "VNC support is disabled\n");
1747         exit(1);
1748 #endif
1749     } else if (strstart(p, "curses", &opts)) {
1750 #ifdef CONFIG_CURSES
1751         display = DT_CURSES;
1752 #else
1753         fprintf(stderr, "Curses support is disabled\n");
1754         exit(1);
1755 #endif
1756     } else if (strstart(p, "none", &opts)) {
1757         display = DT_NONE;
1758     } else {
1759         fprintf(stderr, "Unknown display type: %s\n", p);
1760         exit(1);
1761     }
1762
1763     return display;
1764 }
1765
1766 static int balloon_parse(const char *arg)
1767 {
1768     QemuOpts *opts;
1769
1770     if (strcmp(arg, "none") == 0) {
1771         return 0;
1772     }
1773
1774     if (!strncmp(arg, "virtio", 6)) {
1775         if (arg[6] == ',') {
1776             /* have params -> parse them */
1777             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1778             if (!opts)
1779                 return  -1;
1780         } else {
1781             /* create empty opts */
1782             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1783         }
1784         qemu_opt_set(opts, "driver", "virtio-balloon");
1785         return 0;
1786     }
1787
1788     return -1;
1789 }
1790
1791 char *qemu_find_file(int type, const char *name)
1792 {
1793     int len;
1794     const char *subdir;
1795     char *buf;
1796
1797     /* Try the name as a straight path first */
1798     if (access(name, R_OK) == 0) {
1799         return g_strdup(name);
1800     }
1801     switch (type) {
1802     case QEMU_FILE_TYPE_BIOS:
1803         subdir = "";
1804         break;
1805     case QEMU_FILE_TYPE_KEYMAP:
1806         subdir = "keymaps/";
1807         break;
1808     default:
1809         abort();
1810     }
1811     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1812     buf = g_malloc0(len);
1813     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1814     if (access(buf, R_OK)) {
1815         g_free(buf);
1816         return NULL;
1817     }
1818     return buf;
1819 }
1820
1821 static int device_help_func(QemuOpts *opts, void *opaque)
1822 {
1823     return qdev_device_help(opts);
1824 }
1825
1826 static int device_init_func(QemuOpts *opts, void *opaque)
1827 {
1828     DeviceState *dev;
1829
1830     dev = qdev_device_add(opts);
1831     if (!dev)
1832         return -1;
1833     return 0;
1834 }
1835
1836 static int chardev_init_func(QemuOpts *opts, void *opaque)
1837 {
1838     CharDriverState *chr;
1839
1840     chr = qemu_chr_new_from_opts(opts, NULL);
1841     if (!chr)
1842         return -1;
1843     return 0;
1844 }
1845
1846 #ifdef CONFIG_VIRTFS
1847 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1848 {
1849     int ret;
1850     ret = qemu_fsdev_add(opts);
1851
1852     return ret;
1853 }
1854 #endif
1855
1856 static int mon_init_func(QemuOpts *opts, void *opaque)
1857 {
1858     CharDriverState *chr;
1859     const char *chardev;
1860     const char *mode;
1861     int flags;
1862
1863     mode = qemu_opt_get(opts, "mode");
1864     if (mode == NULL) {
1865         mode = "readline";
1866     }
1867     if (strcmp(mode, "readline") == 0) {
1868         flags = MONITOR_USE_READLINE;
1869     } else if (strcmp(mode, "control") == 0) {
1870         flags = MONITOR_USE_CONTROL;
1871     } else {
1872         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1873         exit(1);
1874     }
1875
1876     if (qemu_opt_get_bool(opts, "pretty", 0))
1877         flags |= MONITOR_USE_PRETTY;
1878
1879     if (qemu_opt_get_bool(opts, "default", 0))
1880         flags |= MONITOR_IS_DEFAULT;
1881
1882     chardev = qemu_opt_get(opts, "chardev");
1883     chr = qemu_chr_find(chardev);
1884     if (chr == NULL) {
1885         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1886         exit(1);
1887     }
1888
1889     monitor_init(chr, flags);
1890     return 0;
1891 }
1892
1893 static void monitor_parse(const char *optarg, const char *mode)
1894 {
1895     static int monitor_device_index = 0;
1896     QemuOpts *opts;
1897     const char *p;
1898     char label[32];
1899     int def = 0;
1900
1901     if (strstart(optarg, "chardev:", &p)) {
1902         snprintf(label, sizeof(label), "%s", p);
1903     } else {
1904         snprintf(label, sizeof(label), "compat_monitor%d",
1905                  monitor_device_index);
1906         if (monitor_device_index == 0) {
1907             def = 1;
1908         }
1909         opts = qemu_chr_parse_compat(label, optarg);
1910         if (!opts) {
1911             fprintf(stderr, "parse error: %s\n", optarg);
1912             exit(1);
1913         }
1914     }
1915
1916     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1917     if (!opts) {
1918         fprintf(stderr, "duplicate chardev: %s\n", label);
1919         exit(1);
1920     }
1921     qemu_opt_set(opts, "mode", mode);
1922     qemu_opt_set(opts, "chardev", label);
1923     if (def)
1924         qemu_opt_set(opts, "default", "on");
1925     monitor_device_index++;
1926 }
1927
1928 struct device_config {
1929     enum {
1930         DEV_USB,       /* -usbdevice     */
1931         DEV_BT,        /* -bt            */
1932         DEV_SERIAL,    /* -serial        */
1933         DEV_PARALLEL,  /* -parallel      */
1934         DEV_VIRTCON,   /* -virtioconsole */
1935         DEV_DEBUGCON,  /* -debugcon */
1936         DEV_GDB,       /* -gdb, -s */
1937     } type;
1938     const char *cmdline;
1939     Location loc;
1940     QTAILQ_ENTRY(device_config) next;
1941 };
1942 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1943
1944 static void add_device_config(int type, const char *cmdline)
1945 {
1946     struct device_config *conf;
1947
1948     conf = g_malloc0(sizeof(*conf));
1949     conf->type = type;
1950     conf->cmdline = cmdline;
1951     loc_save(&conf->loc);
1952     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1953 }
1954
1955 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1956 {
1957     struct device_config *conf;
1958     int rc;
1959
1960     QTAILQ_FOREACH(conf, &device_configs, next) {
1961         if (conf->type != type)
1962             continue;
1963         loc_push_restore(&conf->loc);
1964         rc = func(conf->cmdline);
1965         loc_pop(&conf->loc);
1966         if (0 != rc)
1967             return rc;
1968     }
1969     return 0;
1970 }
1971
1972 static int serial_parse(const char *devname)
1973 {
1974     static int index = 0;
1975     char label[32];
1976
1977     if (strcmp(devname, "none") == 0)
1978         return 0;
1979     if (index == MAX_SERIAL_PORTS) {
1980         fprintf(stderr, "qemu: too many serial ports\n");
1981         exit(1);
1982     }
1983     snprintf(label, sizeof(label), "serial%d", index);
1984     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1985     if (!serial_hds[index]) {
1986         fprintf(stderr, "qemu: could not connect serial device"
1987                 " to character backend '%s'\n", devname);
1988         return -1;
1989     }
1990     index++;
1991     return 0;
1992 }
1993
1994 static int parallel_parse(const char *devname)
1995 {
1996     static int index = 0;
1997     char label[32];
1998
1999     if (strcmp(devname, "none") == 0)
2000         return 0;
2001     if (index == MAX_PARALLEL_PORTS) {
2002         fprintf(stderr, "qemu: too many parallel ports\n");
2003         exit(1);
2004     }
2005     snprintf(label, sizeof(label), "parallel%d", index);
2006     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2007     if (!parallel_hds[index]) {
2008         fprintf(stderr, "qemu: could not connect parallel device"
2009                 " to character backend '%s'\n", devname);
2010         return -1;
2011     }
2012     index++;
2013     return 0;
2014 }
2015
2016 static int virtcon_parse(const char *devname)
2017 {
2018     QemuOptsList *device = qemu_find_opts("device");
2019     static int index = 0;
2020     char label[32];
2021     QemuOpts *bus_opts, *dev_opts;
2022
2023     if (strcmp(devname, "none") == 0)
2024         return 0;
2025     if (index == MAX_VIRTIO_CONSOLES) {
2026         fprintf(stderr, "qemu: too many virtio consoles\n");
2027         exit(1);
2028     }
2029
2030     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2031     if (arch_type == QEMU_ARCH_S390X) {
2032         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2033     } else {
2034         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2035     }
2036
2037     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2038     qemu_opt_set(dev_opts, "driver", "virtconsole");
2039
2040     snprintf(label, sizeof(label), "virtcon%d", index);
2041     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2042     if (!virtcon_hds[index]) {
2043         fprintf(stderr, "qemu: could not connect virtio console"
2044                 " to character backend '%s'\n", devname);
2045         return -1;
2046     }
2047     qemu_opt_set(dev_opts, "chardev", label);
2048
2049     index++;
2050     return 0;
2051 }
2052
2053 static int debugcon_parse(const char *devname)
2054 {
2055     QemuOpts *opts;
2056
2057     if (!qemu_chr_new("debugcon", devname, NULL)) {
2058         exit(1);
2059     }
2060     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2061     if (!opts) {
2062         fprintf(stderr, "qemu: already have a debugcon device\n");
2063         exit(1);
2064     }
2065     qemu_opt_set(opts, "driver", "isa-debugcon");
2066     qemu_opt_set(opts, "chardev", "debugcon");
2067     return 0;
2068 }
2069
2070 static QEMUMachine *machine_parse(const char *name)
2071 {
2072     QEMUMachine *m, *machine = NULL;
2073
2074     if (name) {
2075         machine = find_machine(name);
2076     }
2077     if (machine) {
2078         return machine;
2079     }
2080     printf("Supported machines are:\n");
2081     for (m = first_machine; m != NULL; m = m->next) {
2082         if (m->alias) {
2083             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2084         }
2085         printf("%-20s %s%s\n", m->name, m->desc,
2086                m->is_default ? " (default)" : "");
2087     }
2088     exit(!name || !is_help_option(name));
2089 }
2090
2091 static int tcg_init(void)
2092 {
2093     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2094     return 0;
2095 }
2096
2097 static struct {
2098     const char *opt_name;
2099     const char *name;
2100     int (*available)(void);
2101     int (*init)(void);
2102     int *allowed;
2103 } accel_list[] = {
2104     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2105     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2106     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2107     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2108 };
2109
2110 static int configure_accelerator(void)
2111 {
2112     const char *p = NULL;
2113     char buf[10];
2114     int i, ret;
2115     bool accel_initialised = 0;
2116     bool init_failed = 0;
2117
2118     QemuOptsList *list = qemu_find_opts("machine");
2119     if (!QTAILQ_EMPTY(&list->head)) {
2120         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2121     }
2122
2123     if (p == NULL) {
2124         /* Use the default "accelerator", tcg */
2125         p = "tcg";
2126     }
2127
2128     while (!accel_initialised && *p != '\0') {
2129         if (*p == ':') {
2130             p++;
2131         }
2132         p = get_opt_name(buf, sizeof (buf), p, ':');
2133         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2134             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2135                 *(accel_list[i].allowed) = 1;
2136                 ret = accel_list[i].init();
2137                 if (ret < 0) {
2138                     init_failed = 1;
2139                     if (!accel_list[i].available()) {
2140                         printf("%s not supported for this target\n",
2141                                accel_list[i].name);
2142                     } else {
2143                         fprintf(stderr, "failed to initialize %s: %s\n",
2144                                 accel_list[i].name,
2145                                 strerror(-ret));
2146                     }
2147                     *(accel_list[i].allowed) = 0;
2148                 } else {
2149                     accel_initialised = 1;
2150                 }
2151                 break;
2152             }
2153         }
2154         if (i == ARRAY_SIZE(accel_list)) {
2155             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2156         }
2157     }
2158
2159     if (!accel_initialised) {
2160         fprintf(stderr, "No accelerator found!\n");
2161         exit(1);
2162     }
2163
2164     if (init_failed) {
2165         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2166     }
2167
2168     return !accel_initialised;
2169 }
2170
2171 void qemu_add_exit_notifier(Notifier *notify)
2172 {
2173     notifier_list_add(&exit_notifiers, notify);
2174 }
2175
2176 void qemu_remove_exit_notifier(Notifier *notify)
2177 {
2178     notifier_remove(notify);
2179 }
2180
2181 static void qemu_run_exit_notifiers(void)
2182 {
2183     notifier_list_notify(&exit_notifiers, NULL);
2184 }
2185
2186 void qemu_add_machine_init_done_notifier(Notifier *notify)
2187 {
2188     notifier_list_add(&machine_init_done_notifiers, notify);
2189 }
2190
2191 static void qemu_run_machine_init_done_notifiers(void)
2192 {
2193     notifier_list_notify(&machine_init_done_notifiers, NULL);
2194 }
2195
2196 static const QEMUOption *lookup_opt(int argc, char **argv,
2197                                     const char **poptarg, int *poptind)
2198 {
2199     const QEMUOption *popt;
2200     int optind = *poptind;
2201     char *r = argv[optind];
2202     const char *optarg;
2203
2204     loc_set_cmdline(argv, optind, 1);
2205     optind++;
2206     /* Treat --foo the same as -foo.  */
2207     if (r[1] == '-')
2208         r++;
2209     popt = qemu_options;
2210     for(;;) {
2211         if (!popt->name) {
2212             error_report("invalid option");
2213             exit(1);
2214         }
2215         if (!strcmp(popt->name, r + 1))
2216             break;
2217         popt++;
2218     }
2219     if (popt->flags & HAS_ARG) {
2220         if (optind >= argc) {
2221             error_report("requires an argument");
2222             exit(1);
2223         }
2224         optarg = argv[optind++];
2225         loc_set_cmdline(argv, optind - 2, 2);
2226     } else {
2227         optarg = NULL;
2228     }
2229
2230     *poptarg = optarg;
2231     *poptind = optind;
2232
2233     return popt;
2234 }
2235
2236 static gpointer malloc_and_trace(gsize n_bytes)
2237 {
2238     void *ptr = malloc(n_bytes);
2239     trace_g_malloc(n_bytes, ptr);
2240     return ptr;
2241 }
2242
2243 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2244 {
2245     void *ptr = realloc(mem, n_bytes);
2246     trace_g_realloc(mem, n_bytes, ptr);
2247     return ptr;
2248 }
2249
2250 static void free_and_trace(gpointer mem)
2251 {
2252     trace_g_free(mem);
2253     free(mem);
2254 }
2255
2256 int qemu_init_main_loop(void)
2257 {
2258     return main_loop_init();
2259 }
2260
2261 int main(int argc, char **argv, char **envp)
2262 {
2263     int i;
2264     int snapshot, linux_boot;
2265     const char *icount_option = NULL;
2266     const char *initrd_filename;
2267     const char *kernel_filename, *kernel_cmdline;
2268     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2269     DisplayState *ds;
2270     DisplayChangeListener *dcl;
2271     int cyls, heads, secs, translation;
2272     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2273     QemuOptsList *olist;
2274     int optind;
2275     const char *optarg;
2276     const char *loadvm = NULL;
2277     QEMUMachine *machine;
2278     const char *cpu_model;
2279     const char *vga_model = "none";
2280     const char *pid_file = NULL;
2281     const char *incoming = NULL;
2282 #ifdef CONFIG_VNC
2283     int show_vnc_port = 0;
2284 #endif
2285     bool defconfig = true;
2286     bool userconfig = true;
2287     const char *log_mask = NULL;
2288     const char *log_file = NULL;
2289     GMemVTable mem_trace = {
2290         .malloc = malloc_and_trace,
2291         .realloc = realloc_and_trace,
2292         .free = free_and_trace,
2293     };
2294     const char *trace_events = NULL;
2295     const char *trace_file = NULL;
2296
2297     atexit(qemu_run_exit_notifiers);
2298     error_set_progname(argv[0]);
2299
2300     g_mem_set_vtable(&mem_trace);
2301     if (!g_thread_supported()) {
2302 #if !GLIB_CHECK_VERSION(2, 31, 0)
2303         g_thread_init(NULL);
2304 #else
2305         fprintf(stderr, "glib threading failed to initialize.\n");
2306         exit(1);
2307 #endif
2308     }
2309
2310     module_call_init(MODULE_INIT_QOM);
2311
2312     runstate_init();
2313
2314     init_clocks();
2315     rtc_clock = host_clock;
2316
2317     qemu_cache_utils_init(envp);
2318
2319     QLIST_INIT (&vm_change_state_head);
2320     os_setup_early_signal_handling();
2321
2322     module_call_init(MODULE_INIT_MACHINE);
2323     machine = find_default_machine();
2324     cpu_model = NULL;
2325     ram_size = 0;
2326     snapshot = 0;
2327     cyls = heads = secs = 0;
2328     translation = BIOS_ATA_TRANSLATION_AUTO;
2329
2330     for (i = 0; i < MAX_NODES; i++) {
2331         node_mem[i] = 0;
2332         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2333     }
2334
2335     nb_numa_nodes = 0;
2336     nb_nics = 0;
2337
2338     autostart= 1;
2339
2340     /* first pass of option parsing */
2341     optind = 1;
2342     while (optind < argc) {
2343         if (argv[optind][0] != '-') {
2344             /* disk image */
2345             optind++;
2346             continue;
2347         } else {
2348             const QEMUOption *popt;
2349
2350             popt = lookup_opt(argc, argv, &optarg, &optind);
2351             switch (popt->index) {
2352             case QEMU_OPTION_nodefconfig:
2353                 defconfig = false;
2354                 break;
2355             case QEMU_OPTION_nouserconfig:
2356                 userconfig = false;
2357                 break;
2358             }
2359         }
2360     }
2361
2362     if (defconfig) {
2363         int ret;
2364         ret = qemu_read_default_config_files(userconfig);
2365         if (ret < 0) {
2366             exit(1);
2367         }
2368     }
2369
2370     /* second pass of option parsing */
2371     optind = 1;
2372     for(;;) {
2373         if (optind >= argc)
2374             break;
2375         if (argv[optind][0] != '-') {
2376             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2377         } else {
2378             const QEMUOption *popt;
2379
2380             popt = lookup_opt(argc, argv, &optarg, &optind);
2381             if (!(popt->arch_mask & arch_type)) {
2382                 printf("Option %s not supported for this target\n", popt->name);
2383                 exit(1);
2384             }
2385             switch(popt->index) {
2386             case QEMU_OPTION_M:
2387                 machine = machine_parse(optarg);
2388                 break;
2389             case QEMU_OPTION_cpu:
2390                 /* hw initialization will check this */
2391                 cpu_model = optarg;
2392                 break;
2393             case QEMU_OPTION_hda:
2394                 {
2395                     char buf[256];
2396                     if (cyls == 0)
2397                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2398                     else
2399                         snprintf(buf, sizeof(buf),
2400                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2401                                  HD_OPTS , cyls, heads, secs,
2402                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2403                                  ",trans=lba" :
2404                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2405                                  ",trans=none" : "");
2406                     drive_add(IF_DEFAULT, 0, optarg, buf);
2407                     break;
2408                 }
2409             case QEMU_OPTION_hdb:
2410             case QEMU_OPTION_hdc:
2411             case QEMU_OPTION_hdd:
2412                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2413                           HD_OPTS);
2414                 break;
2415             case QEMU_OPTION_drive:
2416                 if (drive_def(optarg) == NULL) {
2417                     exit(1);
2418                 }
2419                 break;
2420             case QEMU_OPTION_set:
2421                 if (qemu_set_option(optarg) != 0)
2422                     exit(1);
2423                 break;
2424             case QEMU_OPTION_global:
2425                 if (qemu_global_option(optarg) != 0)
2426                     exit(1);
2427                 break;
2428             case QEMU_OPTION_mtdblock:
2429                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2430                 break;
2431             case QEMU_OPTION_sd:
2432                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2433                 break;
2434             case QEMU_OPTION_pflash:
2435                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2436                 break;
2437             case QEMU_OPTION_snapshot:
2438                 snapshot = 1;
2439                 break;
2440             case QEMU_OPTION_hdachs:
2441                 {
2442                     const char *p;
2443                     p = optarg;
2444                     cyls = strtol(p, (char **)&p, 0);
2445                     if (cyls < 1 || cyls > 16383)
2446                         goto chs_fail;
2447                     if (*p != ',')
2448                         goto chs_fail;
2449                     p++;
2450                     heads = strtol(p, (char **)&p, 0);
2451                     if (heads < 1 || heads > 16)
2452                         goto chs_fail;
2453                     if (*p != ',')
2454                         goto chs_fail;
2455                     p++;
2456                     secs = strtol(p, (char **)&p, 0);
2457                     if (secs < 1 || secs > 63)
2458                         goto chs_fail;
2459                     if (*p == ',') {
2460                         p++;
2461                         if (!strcmp(p, "none"))
2462                             translation = BIOS_ATA_TRANSLATION_NONE;
2463                         else if (!strcmp(p, "lba"))
2464                             translation = BIOS_ATA_TRANSLATION_LBA;
2465                         else if (!strcmp(p, "auto"))
2466                             translation = BIOS_ATA_TRANSLATION_AUTO;
2467                         else
2468                             goto chs_fail;
2469                     } else if (*p != '\0') {
2470                     chs_fail:
2471                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2472                         exit(1);
2473                     }
2474                     if (hda_opts != NULL) {
2475                         char num[16];
2476                         snprintf(num, sizeof(num), "%d", cyls);
2477                         qemu_opt_set(hda_opts, "cyls", num);
2478                         snprintf(num, sizeof(num), "%d", heads);
2479                         qemu_opt_set(hda_opts, "heads", num);
2480                         snprintf(num, sizeof(num), "%d", secs);
2481                         qemu_opt_set(hda_opts, "secs", num);
2482                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2483                             qemu_opt_set(hda_opts, "trans", "lba");
2484                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2485                             qemu_opt_set(hda_opts, "trans", "none");
2486                     }
2487                 }
2488                 break;
2489             case QEMU_OPTION_numa:
2490                 if (nb_numa_nodes >= MAX_NODES) {
2491                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2492                     exit(1);
2493                 }
2494                 numa_add(optarg);
2495                 break;
2496             case QEMU_OPTION_display:
2497                 display_type = select_display(optarg);
2498                 break;
2499             case QEMU_OPTION_nographic:
2500                 display_type = DT_NOGRAPHIC;
2501                 break;
2502             case QEMU_OPTION_curses:
2503 #ifdef CONFIG_CURSES
2504                 display_type = DT_CURSES;
2505 #else
2506                 fprintf(stderr, "Curses support is disabled\n");
2507                 exit(1);
2508 #endif
2509                 break;
2510             case QEMU_OPTION_portrait:
2511                 graphic_rotate = 90;
2512                 break;
2513             case QEMU_OPTION_rotate:
2514                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2515                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2516                     graphic_rotate != 180 && graphic_rotate != 270) {
2517                     fprintf(stderr,
2518                         "qemu: only 90, 180, 270 deg rotation is available\n");
2519                     exit(1);
2520                 }
2521                 break;
2522             case QEMU_OPTION_kernel:
2523                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2524                 break;
2525             case QEMU_OPTION_initrd:
2526                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2527                 break;
2528             case QEMU_OPTION_append:
2529                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2530                 break;
2531             case QEMU_OPTION_dtb:
2532                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2533                 break;
2534             case QEMU_OPTION_cdrom:
2535                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2536                 break;
2537             case QEMU_OPTION_boot:
2538                 {
2539                     static const char * const params[] = {
2540                         "order", "once", "menu",
2541                         "splash", "splash-time", NULL
2542                     };
2543                     char buf[sizeof(boot_devices)];
2544                     char *standard_boot_devices;
2545                     int legacy = 0;
2546
2547                     if (!strchr(optarg, '=')) {
2548                         legacy = 1;
2549                         pstrcpy(buf, sizeof(buf), optarg);
2550                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2551                         fprintf(stderr,
2552                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2553                                 buf, optarg);
2554                         exit(1);
2555                     }
2556
2557                     if (legacy ||
2558                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2559                         validate_bootdevices(buf);
2560                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2561                     }
2562                     if (!legacy) {
2563                         if (get_param_value(buf, sizeof(buf),
2564                                             "once", optarg)) {
2565                             validate_bootdevices(buf);
2566                             standard_boot_devices = g_strdup(boot_devices);
2567                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2568                             qemu_register_reset(restore_boot_devices,
2569                                                 standard_boot_devices);
2570                         }
2571                         if (get_param_value(buf, sizeof(buf),
2572                                             "menu", optarg)) {
2573                             if (!strcmp(buf, "on")) {
2574                                 boot_menu = 1;
2575                             } else if (!strcmp(buf, "off")) {
2576                                 boot_menu = 0;
2577                             } else {
2578                                 fprintf(stderr,
2579                                         "qemu: invalid option value '%s'\n",
2580                                         buf);
2581                                 exit(1);
2582                             }
2583                         }
2584                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2585                                         optarg, 0);
2586                     }
2587                 }
2588                 break;
2589             case QEMU_OPTION_fda:
2590             case QEMU_OPTION_fdb:
2591                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2592                           optarg, FD_OPTS);
2593                 break;
2594             case QEMU_OPTION_no_fd_bootchk:
2595                 fd_bootchk = 0;
2596                 break;
2597             case QEMU_OPTION_netdev:
2598                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2599                     exit(1);
2600                 }
2601                 break;
2602             case QEMU_OPTION_net:
2603                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2604                     exit(1);
2605                 }
2606                 break;
2607 #ifdef CONFIG_LIBISCSI
2608             case QEMU_OPTION_iscsi:
2609                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2610                 if (!opts) {
2611                     exit(1);
2612                 }
2613                 break;
2614 #endif
2615 #ifdef CONFIG_SLIRP
2616             case QEMU_OPTION_tftp:
2617                 legacy_tftp_prefix = optarg;
2618                 break;
2619             case QEMU_OPTION_bootp:
2620                 legacy_bootp_filename = optarg;
2621                 break;
2622             case QEMU_OPTION_redir:
2623                 if (net_slirp_redir(optarg) < 0)
2624                     exit(1);
2625                 break;
2626 #endif
2627             case QEMU_OPTION_bt:
2628                 add_device_config(DEV_BT, optarg);
2629                 break;
2630             case QEMU_OPTION_audio_help:
2631                 if (!(audio_available())) {
2632                     printf("Option %s not supported for this target\n", popt->name);
2633                     exit(1);
2634                 }
2635                 AUD_help ();
2636                 exit (0);
2637                 break;
2638             case QEMU_OPTION_soundhw:
2639                 if (!(audio_available())) {
2640                     printf("Option %s not supported for this target\n", popt->name);
2641                     exit(1);
2642                 }
2643                 select_soundhw (optarg);
2644                 break;
2645             case QEMU_OPTION_h:
2646                 help(0);
2647                 break;
2648             case QEMU_OPTION_version:
2649                 version();
2650                 exit(0);
2651                 break;
2652             case QEMU_OPTION_m: {
2653                 int64_t value;
2654                 char *end;
2655
2656                 value = strtosz(optarg, &end);
2657                 if (value < 0 || *end) {
2658                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2659                     exit(1);
2660                 }
2661
2662                 if (value != (uint64_t)(ram_addr_t)value) {
2663                     fprintf(stderr, "qemu: ram size too large\n");
2664                     exit(1);
2665                 }
2666                 ram_size = value;
2667                 break;
2668             }
2669             case QEMU_OPTION_mempath:
2670                 mem_path = optarg;
2671                 break;
2672 #ifdef MAP_POPULATE
2673             case QEMU_OPTION_mem_prealloc:
2674                 mem_prealloc = 1;
2675                 break;
2676 #endif
2677             case QEMU_OPTION_d:
2678                 log_mask = optarg;
2679                 break;
2680             case QEMU_OPTION_D:
2681                 log_file = optarg;
2682                 break;
2683             case QEMU_OPTION_s:
2684                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2685                 break;
2686             case QEMU_OPTION_gdb:
2687                 add_device_config(DEV_GDB, optarg);
2688                 break;
2689             case QEMU_OPTION_L:
2690                 data_dir = optarg;
2691                 break;
2692             case QEMU_OPTION_bios:
2693                 bios_name = optarg;
2694                 break;
2695             case QEMU_OPTION_singlestep:
2696                 singlestep = 1;
2697                 break;
2698             case QEMU_OPTION_S:
2699                 autostart = 0;
2700                 break;
2701             case QEMU_OPTION_k:
2702                 keyboard_layout = optarg;
2703                 break;
2704             case QEMU_OPTION_localtime:
2705                 rtc_utc = 0;
2706                 break;
2707             case QEMU_OPTION_vga:
2708                 vga_model = optarg;
2709                 default_vga = 0;
2710                 break;
2711             case QEMU_OPTION_g:
2712                 {
2713                     const char *p;
2714                     int w, h, depth;
2715                     p = optarg;
2716                     w = strtol(p, (char **)&p, 10);
2717                     if (w <= 0) {
2718                     graphic_error:
2719                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2720                         exit(1);
2721                     }
2722                     if (*p != 'x')
2723                         goto graphic_error;
2724                     p++;
2725                     h = strtol(p, (char **)&p, 10);
2726                     if (h <= 0)
2727                         goto graphic_error;
2728                     if (*p == 'x') {
2729                         p++;
2730                         depth = strtol(p, (char **)&p, 10);
2731                         if (depth != 8 && depth != 15 && depth != 16 &&
2732                             depth != 24 && depth != 32)
2733                             goto graphic_error;
2734                     } else if (*p == '\0') {
2735                         depth = graphic_depth;
2736                     } else {
2737                         goto graphic_error;
2738                     }
2739
2740                     graphic_width = w;
2741                     graphic_height = h;
2742                     graphic_depth = depth;
2743                 }
2744                 break;
2745             case QEMU_OPTION_echr:
2746                 {
2747                     char *r;
2748                     term_escape_char = strtol(optarg, &r, 0);
2749                     if (r == optarg)
2750                         printf("Bad argument to echr\n");
2751                     break;
2752                 }
2753             case QEMU_OPTION_monitor:
2754                 monitor_parse(optarg, "readline");
2755                 default_monitor = 0;
2756                 break;
2757             case QEMU_OPTION_qmp:
2758                 monitor_parse(optarg, "control");
2759                 default_monitor = 0;
2760                 break;
2761             case QEMU_OPTION_mon:
2762                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2763                 if (!opts) {
2764                     exit(1);
2765                 }
2766                 default_monitor = 0;
2767                 break;
2768             case QEMU_OPTION_chardev:
2769                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2770                 if (!opts) {
2771                     exit(1);
2772                 }
2773                 break;
2774             case QEMU_OPTION_fsdev:
2775                 olist = qemu_find_opts("fsdev");
2776                 if (!olist) {
2777                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2778                     exit(1);
2779                 }
2780                 opts = qemu_opts_parse(olist, optarg, 1);
2781                 if (!opts) {
2782                     fprintf(stderr, "parse error: %s\n", optarg);
2783                     exit(1);
2784                 }
2785                 break;
2786             case QEMU_OPTION_virtfs: {
2787                 QemuOpts *fsdev;
2788                 QemuOpts *device;
2789                 const char *writeout, *sock_fd, *socket;
2790
2791                 olist = qemu_find_opts("virtfs");
2792                 if (!olist) {
2793                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2794                     exit(1);
2795                 }
2796                 opts = qemu_opts_parse(olist, optarg, 1);
2797                 if (!opts) {
2798                     fprintf(stderr, "parse error: %s\n", optarg);
2799                     exit(1);
2800                 }
2801
2802                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2803                     qemu_opt_get(opts, "mount_tag") == NULL) {
2804                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2805                     exit(1);
2806                 }
2807                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2808                                          qemu_opt_get(opts, "mount_tag"),
2809                                          1, NULL);
2810                 if (!fsdev) {
2811                     fprintf(stderr, "duplicate fsdev id: %s\n",
2812                             qemu_opt_get(opts, "mount_tag"));
2813                     exit(1);
2814                 }
2815
2816                 writeout = qemu_opt_get(opts, "writeout");
2817                 if (writeout) {
2818 #ifdef CONFIG_SYNC_FILE_RANGE
2819                     qemu_opt_set(fsdev, "writeout", writeout);
2820 #else
2821                     fprintf(stderr, "writeout=immediate not supported on "
2822                             "this platform\n");
2823                     exit(1);
2824 #endif
2825                 }
2826                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2827                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2828                 qemu_opt_set(fsdev, "security_model",
2829                              qemu_opt_get(opts, "security_model"));
2830                 socket = qemu_opt_get(opts, "socket");
2831                 if (socket) {
2832                     qemu_opt_set(fsdev, "socket", socket);
2833                 }
2834                 sock_fd = qemu_opt_get(opts, "sock_fd");
2835                 if (sock_fd) {
2836                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2837                 }
2838
2839                 qemu_opt_set_bool(fsdev, "readonly",
2840                                 qemu_opt_get_bool(opts, "readonly", 0));
2841                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2842                                           NULL);
2843                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2844                 qemu_opt_set(device, "fsdev",
2845                              qemu_opt_get(opts, "mount_tag"));
2846                 qemu_opt_set(device, "mount_tag",
2847                              qemu_opt_get(opts, "mount_tag"));
2848                 break;
2849             }
2850             case QEMU_OPTION_virtfs_synth: {
2851                 QemuOpts *fsdev;
2852                 QemuOpts *device;
2853
2854                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2855                                          1, NULL);
2856                 if (!fsdev) {
2857                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2858                     exit(1);
2859                 }
2860                 qemu_opt_set(fsdev, "fsdriver", "synth");
2861
2862                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2863                                           NULL);
2864                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2865                 qemu_opt_set(device, "fsdev", "v_synth");
2866                 qemu_opt_set(device, "mount_tag", "v_synth");
2867                 break;
2868             }
2869             case QEMU_OPTION_serial:
2870                 add_device_config(DEV_SERIAL, optarg);
2871                 default_serial = 0;
2872                 if (strncmp(optarg, "mon:", 4) == 0) {
2873                     default_monitor = 0;
2874                 }
2875                 break;
2876             case QEMU_OPTION_watchdog:
2877                 if (watchdog) {
2878                     fprintf(stderr,
2879                             "qemu: only one watchdog option may be given\n");
2880                     return 1;
2881                 }
2882                 watchdog = optarg;
2883                 break;
2884             case QEMU_OPTION_watchdog_action:
2885                 if (select_watchdog_action(optarg) == -1) {
2886                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2887                     exit(1);
2888                 }
2889                 break;
2890             case QEMU_OPTION_virtiocon:
2891                 add_device_config(DEV_VIRTCON, optarg);
2892                 default_virtcon = 0;
2893                 if (strncmp(optarg, "mon:", 4) == 0) {
2894                     default_monitor = 0;
2895                 }
2896                 break;
2897             case QEMU_OPTION_parallel:
2898                 add_device_config(DEV_PARALLEL, optarg);
2899                 default_parallel = 0;
2900                 if (strncmp(optarg, "mon:", 4) == 0) {
2901                     default_monitor = 0;
2902                 }
2903                 break;
2904             case QEMU_OPTION_debugcon:
2905                 add_device_config(DEV_DEBUGCON, optarg);
2906                 break;
2907             case QEMU_OPTION_loadvm:
2908                 loadvm = optarg;
2909                 break;
2910             case QEMU_OPTION_full_screen:
2911                 full_screen = 1;
2912                 break;
2913 #ifdef CONFIG_SDL
2914             case QEMU_OPTION_no_frame:
2915                 no_frame = 1;
2916                 break;
2917             case QEMU_OPTION_alt_grab:
2918                 alt_grab = 1;
2919                 break;
2920             case QEMU_OPTION_ctrl_grab:
2921                 ctrl_grab = 1;
2922                 break;
2923             case QEMU_OPTION_no_quit:
2924                 no_quit = 1;
2925                 break;
2926             case QEMU_OPTION_sdl:
2927                 display_type = DT_SDL;
2928                 break;
2929 #else
2930             case QEMU_OPTION_no_frame:
2931             case QEMU_OPTION_alt_grab:
2932             case QEMU_OPTION_ctrl_grab:
2933             case QEMU_OPTION_no_quit:
2934             case QEMU_OPTION_sdl:
2935                 fprintf(stderr, "SDL support is disabled\n");
2936                 exit(1);
2937 #endif
2938             case QEMU_OPTION_pidfile:
2939                 pid_file = optarg;
2940                 break;
2941             case QEMU_OPTION_win2k_hack:
2942                 win2k_install_hack = 1;
2943                 break;
2944             case QEMU_OPTION_rtc_td_hack: {
2945                 static GlobalProperty slew_lost_ticks[] = {
2946                     {
2947                         .driver   = "mc146818rtc",
2948                         .property = "lost_tick_policy",
2949                         .value    = "slew",
2950                     },
2951                     { /* end of list */ }
2952                 };
2953
2954                 qdev_prop_register_global_list(slew_lost_ticks);
2955                 break;
2956             }
2957             case QEMU_OPTION_acpitable:
2958                 do_acpitable_option(optarg);
2959                 break;
2960             case QEMU_OPTION_smbios:
2961                 do_smbios_option(optarg);
2962                 break;
2963             case QEMU_OPTION_enable_kvm:
2964                 olist = qemu_find_opts("machine");
2965                 qemu_opts_parse(olist, "accel=kvm", 0);
2966                 break;
2967             case QEMU_OPTION_machine:
2968                 olist = qemu_find_opts("machine");
2969                 opts = qemu_opts_parse(olist, optarg, 1);
2970                 if (!opts) {
2971                     fprintf(stderr, "parse error: %s\n", optarg);
2972                     exit(1);
2973                 }
2974                 optarg = qemu_opt_get(opts, "type");
2975                 if (optarg) {
2976                     machine = machine_parse(optarg);
2977                 }
2978                 break;
2979             case QEMU_OPTION_usb:
2980                 usb_enabled = 1;
2981                 break;
2982             case QEMU_OPTION_usbdevice:
2983                 usb_enabled = 1;
2984                 add_device_config(DEV_USB, optarg);
2985                 break;
2986             case QEMU_OPTION_device:
2987                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2988                     exit(1);
2989                 }
2990                 break;
2991             case QEMU_OPTION_smp:
2992                 smp_parse(optarg);
2993                 if (smp_cpus < 1) {
2994                     fprintf(stderr, "Invalid number of CPUs\n");
2995                     exit(1);
2996                 }
2997                 if (max_cpus < smp_cpus) {
2998                     fprintf(stderr, "maxcpus must be equal to or greater than "
2999                             "smp\n");
3000                     exit(1);
3001                 }
3002                 if (max_cpus > 255) {
3003                     fprintf(stderr, "Unsupported number of maxcpus\n");
3004                     exit(1);
3005                 }
3006                 break;
3007             case QEMU_OPTION_vnc:
3008 #ifdef CONFIG_VNC
3009                 display_remote++;
3010                 vnc_display = optarg;
3011 #else
3012                 fprintf(stderr, "VNC support is disabled\n");
3013                 exit(1);
3014 #endif
3015                 break;
3016             case QEMU_OPTION_no_acpi:
3017                 acpi_enabled = 0;
3018                 break;
3019             case QEMU_OPTION_no_hpet:
3020                 no_hpet = 1;
3021                 break;
3022             case QEMU_OPTION_balloon:
3023                 if (balloon_parse(optarg) < 0) {
3024                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3025                     exit(1);
3026                 }
3027                 break;
3028             case QEMU_OPTION_no_reboot:
3029                 no_reboot = 1;
3030                 break;
3031             case QEMU_OPTION_no_shutdown:
3032                 no_shutdown = 1;
3033                 break;
3034             case QEMU_OPTION_show_cursor:
3035                 cursor_hide = 0;
3036                 break;
3037             case QEMU_OPTION_uuid:
3038                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3039                     fprintf(stderr, "Fail to parse UUID string."
3040                             " Wrong format.\n");
3041                     exit(1);
3042                 }
3043                 break;
3044             case QEMU_OPTION_option_rom:
3045                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3046                     fprintf(stderr, "Too many option ROMs\n");
3047                     exit(1);
3048                 }
3049                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3050                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3051                 option_rom[nb_option_roms].bootindex =
3052                     qemu_opt_get_number(opts, "bootindex", -1);
3053                 if (!option_rom[nb_option_roms].name) {
3054                     fprintf(stderr, "Option ROM file is not specified\n");
3055                     exit(1);
3056                 }
3057                 nb_option_roms++;
3058                 break;
3059             case QEMU_OPTION_semihosting:
3060                 semihosting_enabled = 1;
3061                 break;
3062             case QEMU_OPTION_name:
3063                 qemu_name = g_strdup(optarg);
3064                  {
3065                      char *p = strchr(qemu_name, ',');
3066                      if (p != NULL) {
3067                         *p++ = 0;
3068                         if (strncmp(p, "process=", 8)) {
3069                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3070                             exit(1);
3071                         }
3072                         p += 8;
3073                         os_set_proc_name(p);
3074                      }
3075                  }
3076                 break;
3077             case QEMU_OPTION_prom_env:
3078                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3079                     fprintf(stderr, "Too many prom variables\n");
3080                     exit(1);
3081                 }
3082                 prom_envs[nb_prom_envs] = optarg;
3083                 nb_prom_envs++;
3084                 break;
3085             case QEMU_OPTION_old_param:
3086                 old_param = 1;
3087                 break;
3088             case QEMU_OPTION_clock:
3089                 configure_alarms(optarg);
3090                 break;
3091             case QEMU_OPTION_startdate:
3092                 configure_rtc_date_offset(optarg, 1);
3093                 break;
3094             case QEMU_OPTION_rtc:
3095                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3096                 if (!opts) {
3097                     exit(1);
3098                 }
3099                 configure_rtc(opts);
3100                 break;
3101             case QEMU_OPTION_tb_size:
3102                 tcg_tb_size = strtol(optarg, NULL, 0);
3103                 if (tcg_tb_size < 0) {
3104                     tcg_tb_size = 0;
3105                 }
3106                 break;
3107             case QEMU_OPTION_icount:
3108                 icount_option = optarg;
3109                 break;
3110             case QEMU_OPTION_incoming:
3111                 incoming = optarg;
3112                 runstate_set(RUN_STATE_INMIGRATE);
3113                 break;
3114             case QEMU_OPTION_nodefaults:
3115                 default_serial = 0;
3116                 default_parallel = 0;
3117                 default_virtcon = 0;
3118                 default_monitor = 0;
3119                 default_net = 0;
3120                 default_floppy = 0;
3121                 default_cdrom = 0;
3122                 default_sdcard = 0;
3123                 default_vga = 0;
3124                 break;
3125             case QEMU_OPTION_xen_domid:
3126                 if (!(xen_available())) {
3127                     printf("Option %s not supported for this target\n", popt->name);
3128                     exit(1);
3129                 }
3130                 xen_domid = atoi(optarg);
3131                 break;
3132             case QEMU_OPTION_xen_create:
3133                 if (!(xen_available())) {
3134                     printf("Option %s not supported for this target\n", popt->name);
3135                     exit(1);
3136                 }
3137                 xen_mode = XEN_CREATE;
3138                 break;
3139             case QEMU_OPTION_xen_attach:
3140                 if (!(xen_available())) {
3141                     printf("Option %s not supported for this target\n", popt->name);
3142                     exit(1);
3143                 }
3144                 xen_mode = XEN_ATTACH;
3145                 break;
3146             case QEMU_OPTION_trace:
3147             {
3148                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3149                 if (!opts) {
3150                     exit(1);
3151                 }
3152                 trace_events = qemu_opt_get(opts, "events");
3153                 trace_file = qemu_opt_get(opts, "file");
3154                 break;
3155             }
3156             case QEMU_OPTION_readconfig:
3157                 {
3158                     int ret = qemu_read_config_file(optarg);
3159                     if (ret < 0) {
3160                         fprintf(stderr, "read config %s: %s\n", optarg,
3161                             strerror(-ret));
3162                         exit(1);
3163                     }
3164                     break;
3165                 }
3166             case QEMU_OPTION_spice:
3167                 olist = qemu_find_opts("spice");
3168                 if (!olist) {
3169                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3170                     exit(1);
3171                 }
3172                 opts = qemu_opts_parse(olist, optarg, 0);
3173                 if (!opts) {
3174                     fprintf(stderr, "parse error: %s\n", optarg);
3175                     exit(1);
3176                 }
3177                 break;
3178             case QEMU_OPTION_writeconfig:
3179                 {
3180                     FILE *fp;
3181                     if (strcmp(optarg, "-") == 0) {
3182                         fp = stdout;
3183                     } else {
3184                         fp = fopen(optarg, "w");
3185                         if (fp == NULL) {
3186                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3187                             exit(1);
3188                         }
3189                     }
3190                     qemu_config_write(fp);
3191                     fclose(fp);
3192                     break;
3193                 }
3194             case QEMU_OPTION_qtest:
3195                 qtest_chrdev = optarg;
3196                 break;
3197             case QEMU_OPTION_qtest_log:
3198                 qtest_log = optarg;
3199                 break;
3200             default:
3201                 os_parse_cmd_args(popt->index, optarg);
3202             }
3203         }
3204     }
3205     loc_set_none();
3206
3207     if (machine->hw_version) {
3208         qemu_set_version(machine->hw_version);
3209     }
3210
3211     /* Init CPU def lists, based on config
3212      * - Must be called after all the qemu_read_config_file() calls
3213      * - Must be called before list_cpus()
3214      * - Must be called before machine->init()
3215      */
3216     cpudef_init();
3217
3218     if (cpu_model && is_help_option(cpu_model)) {
3219         list_cpus(stdout, &fprintf, cpu_model);
3220         exit(0);
3221     }
3222
3223     /* Open the logfile at this point, if necessary. We can't open the logfile
3224      * when encountering either of the logging options (-d or -D) because the
3225      * other one may be encountered later on the command line, changing the
3226      * location or level of logging.
3227      */
3228     if (log_mask) {
3229         if (log_file) {
3230             set_cpu_log_filename(log_file);
3231         }
3232         set_cpu_log(log_mask);
3233     }
3234
3235     if (!trace_backend_init(trace_events, trace_file)) {
3236         exit(1);
3237     }
3238
3239     /* If no data_dir is specified then try to find it relative to the
3240        executable path.  */
3241     if (!data_dir) {
3242         data_dir = os_find_datadir(argv[0]);
3243     }
3244     /* If all else fails use the install path specified when building. */
3245     if (!data_dir) {
3246         data_dir = CONFIG_QEMU_DATADIR;
3247     }
3248
3249     if (machine == NULL) {
3250         fprintf(stderr, "No machine found.\n");
3251         exit(1);
3252     }
3253
3254     /*
3255      * Default to max_cpus = smp_cpus, in case the user doesn't
3256      * specify a max_cpus value.
3257      */
3258     if (!max_cpus)
3259         max_cpus = smp_cpus;
3260
3261     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3262     if (smp_cpus > machine->max_cpus) {
3263         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3264                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3265                 machine->max_cpus);
3266         exit(1);
3267     }
3268
3269     /*
3270      * Get the default machine options from the machine if it is not already
3271      * specified either by the configuration file or by the command line.
3272      */
3273     if (machine->default_machine_opts) {
3274         qemu_opts_set_defaults(qemu_find_opts("machine"),
3275                                machine->default_machine_opts, 0);
3276     }
3277
3278     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3279     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3280
3281     if (machine->no_serial) {
3282         default_serial = 0;
3283     }
3284     if (machine->no_parallel) {
3285         default_parallel = 0;
3286     }
3287     if (!machine->use_virtcon) {
3288         default_virtcon = 0;
3289     }
3290     if (machine->no_floppy) {
3291         default_floppy = 0;
3292     }
3293     if (machine->no_cdrom) {
3294         default_cdrom = 0;
3295     }
3296     if (machine->no_sdcard) {
3297         default_sdcard = 0;
3298     }
3299
3300     if (display_type == DT_NOGRAPHIC) {
3301         if (default_parallel)
3302             add_device_config(DEV_PARALLEL, "null");
3303         if (default_serial && default_monitor) {
3304             add_device_config(DEV_SERIAL, "mon:stdio");
3305         } else if (default_virtcon && default_monitor) {
3306             add_device_config(DEV_VIRTCON, "mon:stdio");
3307         } else {
3308             if (default_serial)
3309                 add_device_config(DEV_SERIAL, "stdio");
3310             if (default_virtcon)
3311                 add_device_config(DEV_VIRTCON, "stdio");
3312             if (default_monitor)
3313                 monitor_parse("stdio", "readline");
3314         }
3315     } else {
3316         if (default_serial)
3317             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3318         if (default_parallel)
3319             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3320         if (default_monitor)
3321             monitor_parse("vc:80Cx24C", "readline");
3322         if (default_virtcon)
3323             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3324     }
3325
3326     socket_init();
3327
3328     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3329         exit(1);
3330 #ifdef CONFIG_VIRTFS
3331     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3332         exit(1);
3333     }
3334 #endif
3335
3336     os_daemonize();
3337
3338     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3339         os_pidfile_error();
3340         exit(1);
3341     }
3342
3343     /* init the memory */
3344     if (ram_size == 0) {
3345         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3346     }
3347
3348     configure_accelerator();
3349
3350     qemu_init_cpu_loop();
3351     if (qemu_init_main_loop()) {
3352         fprintf(stderr, "qemu_init_main_loop failed\n");
3353         exit(1);
3354     }
3355
3356     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3357     if (machine_opts) {
3358         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3359         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3360         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3361     } else {
3362         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3363     }
3364
3365     if (!kernel_cmdline) {
3366         kernel_cmdline = "";
3367     }
3368
3369     linux_boot = (kernel_filename != NULL);
3370
3371     if (!linux_boot && *kernel_cmdline != '\0') {
3372         fprintf(stderr, "-append only allowed with -kernel option\n");
3373         exit(1);
3374     }
3375
3376     if (!linux_boot && initrd_filename != NULL) {
3377         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3378         exit(1);
3379     }
3380
3381     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3382         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3383         exit(1);
3384     }
3385
3386     os_set_line_buffering();
3387
3388     if (init_timer_alarm() < 0) {
3389         fprintf(stderr, "could not initialize alarm timer\n");
3390         exit(1);
3391     }
3392
3393 #ifdef CONFIG_SPICE
3394     /* spice needs the timers to be initialized by this point */
3395     qemu_spice_init();
3396 #endif
3397
3398     if (icount_option && (kvm_enabled() || xen_enabled())) {
3399         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3400         exit(1);
3401     }
3402     configure_icount(icount_option);
3403
3404     if (net_init_clients() < 0) {
3405         exit(1);
3406     }
3407
3408     /* init the bluetooth world */
3409     if (foreach_device_config(DEV_BT, bt_parse))
3410         exit(1);
3411
3412     if (!xen_enabled()) {
3413         /* On 32-bit hosts, QEMU is limited by virtual address space */
3414         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3415             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3416             exit(1);
3417         }
3418     }
3419
3420     cpu_exec_init_all();
3421
3422     bdrv_init_with_whitelist();
3423
3424     blk_mig_init();
3425
3426     /* open the virtual block devices */
3427     if (snapshot)
3428         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3429     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3430         exit(1);
3431
3432     default_drive(default_cdrom, snapshot, machine->use_scsi,
3433                   IF_DEFAULT, 2, CDROM_OPTS);
3434     default_drive(default_floppy, snapshot, machine->use_scsi,
3435                   IF_FLOPPY, 0, FD_OPTS);
3436     default_drive(default_sdcard, snapshot, machine->use_scsi,
3437                   IF_SD, 0, SD_OPTS);
3438
3439     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3440
3441     if (nb_numa_nodes > 0) {
3442         int i;
3443
3444         if (nb_numa_nodes > MAX_NODES) {
3445             nb_numa_nodes = MAX_NODES;
3446         }
3447
3448         /* If no memory size if given for any node, assume the default case
3449          * and distribute the available memory equally across all nodes
3450          */
3451         for (i = 0; i < nb_numa_nodes; i++) {
3452             if (node_mem[i] != 0)
3453                 break;
3454         }
3455         if (i == nb_numa_nodes) {
3456             uint64_t usedmem = 0;
3457
3458             /* On Linux, the each node's border has to be 8MB aligned,
3459              * the final node gets the rest.
3460              */
3461             for (i = 0; i < nb_numa_nodes - 1; i++) {
3462                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3463                 usedmem += node_mem[i];
3464             }
3465             node_mem[i] = ram_size - usedmem;
3466         }
3467
3468         for (i = 0; i < nb_numa_nodes; i++) {
3469             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3470                 break;
3471             }
3472         }
3473         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3474          * must cope with this anyway, because there are BIOSes out there in
3475          * real machines which also use this scheme.
3476          */
3477         if (i == nb_numa_nodes) {
3478             for (i = 0; i < max_cpus; i++) {
3479                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3480             }
3481         }
3482     }
3483
3484     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3485         exit(1);
3486     }
3487
3488     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3489         exit(1);
3490     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3491         exit(1);
3492     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3493         exit(1);
3494     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3495         exit(1);
3496
3497     /* If no default VGA is requested, the default is "none".  */
3498     if (default_vga && cirrus_vga_available()) {
3499         vga_model = "cirrus";
3500     }
3501     select_vgahw(vga_model);
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             fprintf(stderr, "Failed to start VNC server on `%s'\n",
3588                     vnc_display);
3589             exit(1);
3590         }
3591
3592         if (show_vnc_port) {
3593             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3594         }
3595     }
3596 #endif
3597 #ifdef CONFIG_SPICE
3598     if (using_spice && !qxl_enabled) {
3599         qemu_spice_display_init(ds);
3600     }
3601 #endif
3602
3603     /* display setup */
3604     dpy_resize(ds);
3605     dcl = ds->listeners;
3606     while (dcl != NULL) {
3607         if (dcl->dpy_refresh != NULL) {
3608             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3609             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3610             break;
3611         }
3612         dcl = dcl->next;
3613     }
3614     text_consoles_set_display(ds);
3615
3616     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3617         exit(1);
3618     }
3619
3620     qdev_machine_creation_done();
3621
3622     if (rom_load_all() != 0) {
3623         fprintf(stderr, "rom loading failed\n");
3624         exit(1);
3625     }
3626
3627     /* TODO: once all bus devices are qdevified, this should be done
3628      * when bus is created by qdev.c */
3629     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3630     qemu_run_machine_init_done_notifiers();
3631
3632     qemu_system_reset(VMRESET_SILENT);
3633     if (loadvm) {
3634         if (load_vmstate(loadvm) < 0) {
3635             autostart = 0;
3636         }
3637     }
3638
3639     if (incoming) {
3640         Error *errp = NULL;
3641         int ret = qemu_start_incoming_migration(incoming, &errp);
3642         if (ret < 0) {
3643             if (error_is_set(&errp)) {
3644                 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3645                 error_free(errp);
3646             }
3647             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3648                     incoming, ret);
3649             exit(ret);
3650         }
3651     } else if (autostart) {
3652         vm_start();
3653     }
3654
3655     os_setup_post();
3656
3657     resume_all_vcpus();
3658     main_loop();
3659     bdrv_close_all();
3660     pause_all_vcpus();
3661     net_cleanup();
3662     res_free();
3663
3664     return 0;
3665 }