vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31
  32 /* Needed early for CONFIG_BSD etc. */
  33 #include "config-host.h"
  34
  35 #ifndef _WIN32
  36 #include <libgen.h>
  37 #include <sys/times.h>
  38 #include <sys/wait.h>
  39 #include <termios.h>
  40 #include <sys/mman.h>
  41 #include <sys/ioctl.h>
  42 #include <sys/resource.h>
  43 #include <sys/socket.h>
  44 #include <netinet/in.h>
  45 #include <net/if.h>
  46 #include <arpa/inet.h>
  47 #include <dirent.h>
  48 #include <netdb.h>
  49 #include <sys/select.h>
  50
  51 #ifdef CONFIG_BSD
  52 #include <sys/stat.h>
  53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  54 #include <sys/sysctl.h>
  55 #else
  56 #include <util.h>
  57 #endif
  58 #else
  59 #ifdef __linux__
  60 #include <malloc.h>
  61
  62 #include <linux/ppdev.h>
  63 #include <linux/parport.h>
  64 #endif
  65 #ifdef __sun__
  66 #include <sys/stat.h>
  67 #include <sys/ethernet.h>
  68 #include <sys/sockio.h>
  69 #include <netinet/arp.h>
  70 #include <netinet/in_systm.h>
  71 #include <netinet/ip.h>
  72 #include <netinet/ip_icmp.h> // must come after ip.h
  73 #include <netinet/udp.h>
  74 #include <netinet/tcp.h>
  75 #include <net/if.h>
  76 #include <syslog.h>
  77 #include <stropts.h>
  78 #endif
  79 #endif
  80 #endif
  81
  82 #if defined(CONFIG_VDE)
  83 #include <libvdeplug.h>
  84 #endif
  85
  86 #ifdef _WIN32
  87 #include <windows.h>
  88 #endif
  89
  90 #ifdef CONFIG_SDL
  91 #if defined(__APPLE__) || defined(main)
  92 #include <SDL.h>
  93 int qemu_main(int argc, char **argv, char **envp);
  94 int main(int argc, char **argv)
  95 {
  96     return qemu_main(argc, argv, NULL);
  97 }
  98 #undef main
  99 #define main qemu_main
 100 #endif
 101 #endif /* CONFIG_SDL */
 102
 103 #ifdef CONFIG_COCOA
 104 #undef main
 105 #define main qemu_main
 106 #endif /* CONFIG_COCOA */
 107
 108 #include <glib.h>
 109
 110 #include "hw/hw.h"
 111 #include "hw/boards.h"
 112 #include "hw/usb.h"
 113 #include "hw/pcmcia.h"
 114 #include "hw/pc.h"
 115 #include "hw/isa.h"
 116 #include "hw/baum.h"
 117 #include "hw/bt.h"
 118 #include "hw/watchdog.h"
 119 #include "hw/smbios.h"
 120 #include "hw/xen.h"
 121 #include "hw/qdev.h"
 122 #include "hw/loader.h"
 123 #include "bt-host.h"
 124 #include "net.h"
 125 #include "net/slirp.h"
 126 #include "monitor.h"
 127 #include "console.h"
 128 #include "sysemu.h"
 129 #include "gdbstub.h"
 130 #include "qemu-timer.h"
 131 #include "qemu-char.h"
 132 #include "cache-utils.h"
 133 #include "blockdev.h"
 134 #include "hw/block-common.h"
 135 #include "block-migration.h"
 136 #include "dma.h"
 137 #include "audio/audio.h"
 138 #include "migration.h"
 139 #include "kvm.h"
 140 #include "qjson.h"
 141 #include "qemu-option.h"
 142 #include "qemu-config.h"
 143 #include "qemu-options.h"
 144 #include "qmp-commands.h"
 145 #include "main-loop.h"
 146 #ifdef CONFIG_VIRTFS
 147 #include "fsdev/qemu-fsdev.h"
 148 #endif
 149 #include "qtest.h"
 150
 151 #include "disas.h"
 152
 153 #include "qemu_socket.h"
 154
 155 #include "slirp/libslirp.h"
 156
 157 #include "trace.h"
 158 #include "trace/control.h"
 159 #include "qemu-queue.h"
 160 #include "cpus.h"
 161 #include "arch_init.h"
 162
 163 #include "ui/qemu-spice.h"
 164
 165 //#define DEBUG_NET
 166 //#define DEBUG_SLIRP
 167
 168 #define DEFAULT_RAM_SIZE 128
 169
 170 #define MAX_VIRTIO_CONSOLES 1
 171
 172 static const char *data_dir;
 173 const char *bios_name = NULL;
 174 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 175 DisplayType display_type = DT_DEFAULT;
 176 int display_remote = 0;
 177 const char* keyboard_layout = NULL;
 178 ram_addr_t ram_size;
 179 const char *mem_path = NULL;
 180 #ifdef MAP_POPULATE
 181 int mem_prealloc = 0; /* force preallocation of physical target memory */
 182 #endif
 183 int nb_nics;
 184 NICInfo nd_table[MAX_NICS];
 185 int autostart;
 186 static int rtc_utc = 1;
 187 static int rtc_date_offset = -1; /* -1 means no change */
 188 QEMUClock *rtc_clock;
 189 int vga_interface_type = VGA_NONE;
 190 static int full_screen = 0;
 191 #ifdef CONFIG_SDL
 192 static int no_frame = 0;
 193 #endif
 194 int no_quit = 0;
 195 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 196 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 197 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 198 int win2k_install_hack = 0;
 199 int usb_enabled = 0;
 200 int singlestep = 0;
 201 int smp_cpus = 1;
 202 int max_cpus = 0;
 203 int smp_cores = 1;
 204 int smp_threads = 1;
 205 #ifdef CONFIG_VNC
 206 const char *vnc_display;
 207 #endif
 208 int acpi_enabled = 1;
 209 int no_hpet = 0;
 210 int fd_bootchk = 1;
 211 int no_reboot = 0;
 212 int no_shutdown = 0;
 213 int cursor_hide = 1;
 214 int graphic_rotate = 0;
 215 const char *watchdog;
 216 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 217 int nb_option_roms;
 218 int semihosting_enabled = 0;
 219 int old_param = 0;
 220 const char *qemu_name;
 221 int alt_grab = 0;
 222 int ctrl_grab = 0;
 223 unsigned int nb_prom_envs = 0;
 224 const char *prom_envs[MAX_PROM_ENVS];
 225 int boot_menu;
 226 uint8_t *boot_splash_filedata;
 227 int boot_splash_filedata_size;
 228 uint8_t qemu_extra_params_fw[2];
 229
 230 typedef struct FWBootEntry FWBootEntry;
 231
 232 struct FWBootEntry {
 233     QTAILQ_ENTRY(FWBootEntry) link;
 234     int32_t bootindex;
 235     DeviceState *dev;
 236     char *suffix;
 237 };
 238
 239 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 240
 241 int nb_numa_nodes;
 242 uint64_t node_mem[MAX_NODES];
 243 uint64_t node_cpumask[MAX_NODES];
 244
 245 uint8_t qemu_uuid[16];
 246
 247 static QEMUBootSetHandler *boot_set_handler;
 248 static void *boot_set_opaque;
 249
 250 static NotifierList exit_notifiers =
 251     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 252
 253 static NotifierList machine_init_done_notifiers =
 254     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 255
 256 static int tcg_allowed = 1;
 257 int kvm_allowed = 0;
 258 int xen_allowed = 0;
 259 uint32_t xen_domid;
 260 enum xen_mode xen_mode = XEN_EMULATE;
 261 static int tcg_tb_size;
 262
 263 static int default_serial = 1;
 264 static int default_parallel = 1;
 265 static int default_virtcon = 1;
 266 static int default_monitor = 1;
 267 static int default_floppy = 1;
 268 static int default_cdrom = 1;
 269 static int default_sdcard = 1;
 270 static int default_vga = 1;
 271
 272 static struct {
 273     const char *driver;
 274     int *flag;
 275 } default_list[] = {
 276     { .driver = "isa-serial",           .flag = &default_serial    },
 277     { .driver = "isa-parallel",         .flag = &default_parallel  },
 278     { .driver = "isa-fdc",              .flag = &default_floppy    },
 279     { .driver = "ide-cd",               .flag = &default_cdrom     },
 280     { .driver = "ide-hd",               .flag = &default_cdrom     },
 281     { .driver = "ide-drive",            .flag = &default_cdrom     },
 282     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 283     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 284     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 285     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 286     { .driver = "VGA",                  .flag = &default_vga       },
 287     { .driver = "isa-vga",              .flag = &default_vga       },
 288     { .driver = "cirrus-vga",           .flag = &default_vga       },
 289     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 290     { .driver = "vmware-svga",          .flag = &default_vga       },
 291     { .driver = "qxl-vga",              .flag = &default_vga       },
 292 };
 293
 294 static void res_free(void)
 295 {
 296     if (boot_splash_filedata != NULL) {
 297         g_free(boot_splash_filedata);
 298         boot_splash_filedata = NULL;
 299     }
 300 }
 301
 302 static int default_driver_check(QemuOpts *opts, void *opaque)
 303 {
 304     const char *driver = qemu_opt_get(opts, "driver");
 305     int i;
 306
 307     if (!driver)
 308         return 0;
 309     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 310         if (strcmp(default_list[i].driver, driver) != 0)
 311             continue;
 312         *(default_list[i].flag) = 0;
 313     }
 314     return 0;
 315 }
 316
 317 /***********************************************************/
 318 /* QEMU state */
 319
 320 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 321
 322 typedef struct {
 323     RunState from;
 324     RunState to;
 325 } RunStateTransition;
 326
 327 static const RunStateTransition runstate_transitions_def[] = {
 328     /*     from      ->     to      */
 329     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 330
 331     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 332     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 333
 334     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 335     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 336
 337     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 338     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 339
 340     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 341     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 342
 343     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 344     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 345
 346     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 347     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 348     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 349
 350     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 351     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 352
 353     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 354
 355     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 356     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 357     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 358     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 359     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 360     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 361     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 362     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 363     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 364
 365     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 366
 367     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 368     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 369
 370     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 371     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 372     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 373     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 374
 375     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 376     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 377
 378     { RUN_STATE_MAX, RUN_STATE_MAX },
 379 };
 380
 381 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 382
 383 bool runstate_check(RunState state)
 384 {
 385     return current_run_state == state;
 386 }
 387
 388 void runstate_init(void)
 389 {
 390     const RunStateTransition *p;
 391
 392     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 393
 394     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 395         runstate_valid_transitions[p->from][p->to] = true;
 396     }
 397 }
 398
 399 /* This function will abort() on invalid state transitions */
 400 void runstate_set(RunState new_state)
 401 {
 402     assert(new_state < RUN_STATE_MAX);
 403
 404     if (!runstate_valid_transitions[current_run_state][new_state]) {
 405         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 406                 RunState_lookup[current_run_state],
 407                 RunState_lookup[new_state]);
 408         abort();
 409     }
 410
 411     current_run_state = new_state;
 412 }
 413
 414 int runstate_is_running(void)
 415 {
 416     return runstate_check(RUN_STATE_RUNNING);
 417 }
 418
 419 StatusInfo *qmp_query_status(Error **errp)
 420 {
 421     StatusInfo *info = g_malloc0(sizeof(*info));
 422
 423     info->running = runstate_is_running();
 424     info->singlestep = singlestep;
 425     info->status = current_run_state;
 426
 427     return info;
 428 }
 429
 430 /***********************************************************/
 431 /* real time host monotonic timer */
 432
 433 /***********************************************************/
 434 /* host time/date access */
 435 void qemu_get_timedate(struct tm *tm, int offset)
 436 {
 437     time_t ti;
 438     struct tm *ret;
 439
 440     time(&ti);
 441     ti += offset;
 442     if (rtc_date_offset == -1) {
 443         if (rtc_utc)
 444             ret = gmtime(&ti);
 445         else
 446             ret = localtime(&ti);
 447     } else {
 448         ti -= rtc_date_offset;
 449         ret = gmtime(&ti);
 450     }
 451
 452     memcpy(tm, ret, sizeof(struct tm));
 453 }
 454
 455 int qemu_timedate_diff(struct tm *tm)
 456 {
 457     time_t seconds;
 458
 459     if (rtc_date_offset == -1)
 460         if (rtc_utc)
 461             seconds = mktimegm(tm);
 462         else {
 463             struct tm tmp = *tm;
 464             tmp.tm_isdst = -1; /* use timezone to figure it out */
 465             seconds = mktime(&tmp);
 466         }
 467     else
 468         seconds = mktimegm(tm) + rtc_date_offset;
 469
 470     return seconds - time(NULL);
 471 }
 472
 473 void rtc_change_mon_event(struct tm *tm)
 474 {
 475     QObject *data;
 476
 477     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 478     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 479     qobject_decref(data);
 480 }
 481
 482 static void configure_rtc_date_offset(const char *startdate, int legacy)
 483 {
 484     time_t rtc_start_date;
 485     struct tm tm;
 486
 487     if (!strcmp(startdate, "now") && legacy) {
 488         rtc_date_offset = -1;
 489     } else {
 490         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 491                    &tm.tm_year,
 492                    &tm.tm_mon,
 493                    &tm.tm_mday,
 494                    &tm.tm_hour,
 495                    &tm.tm_min,
 496                    &tm.tm_sec) == 6) {
 497             /* OK */
 498         } else if (sscanf(startdate, "%d-%d-%d",
 499                           &tm.tm_year,
 500                           &tm.tm_mon,
 501                           &tm.tm_mday) == 3) {
 502             tm.tm_hour = 0;
 503             tm.tm_min = 0;
 504             tm.tm_sec = 0;
 505         } else {
 506             goto date_fail;
 507         }
 508         tm.tm_year -= 1900;
 509         tm.tm_mon--;
 510         rtc_start_date = mktimegm(&tm);
 511         if (rtc_start_date == -1) {
 512         date_fail:
 513             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 514                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 515             exit(1);
 516         }
 517         rtc_date_offset = time(NULL) - rtc_start_date;
 518     }
 519 }
 520
 521 static void configure_rtc(QemuOpts *opts)
 522 {
 523     const char *value;
 524
 525     value = qemu_opt_get(opts, "base");
 526     if (value) {
 527         if (!strcmp(value, "utc")) {
 528             rtc_utc = 1;
 529         } else if (!strcmp(value, "localtime")) {
 530             rtc_utc = 0;
 531         } else {
 532             configure_rtc_date_offset(value, 0);
 533         }
 534     }
 535     value = qemu_opt_get(opts, "clock");
 536     if (value) {
 537         if (!strcmp(value, "host")) {
 538             rtc_clock = host_clock;
 539         } else if (!strcmp(value, "rt")) {
 540             rtc_clock = rt_clock;
 541         } else if (!strcmp(value, "vm")) {
 542             rtc_clock = vm_clock;
 543         } else {
 544             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 545             exit(1);
 546         }
 547     }
 548     value = qemu_opt_get(opts, "driftfix");
 549     if (value) {
 550         if (!strcmp(value, "slew")) {
 551             static GlobalProperty slew_lost_ticks[] = {
 552                 {
 553                     .driver   = "mc146818rtc",
 554                     .property = "lost_tick_policy",
 555                     .value    = "slew",
 556                 },
 557                 { /* end of list */ }
 558             };
 559
 560             qdev_prop_register_global_list(slew_lost_ticks);
 561         } else if (!strcmp(value, "none")) {
 562             /* discard is default */
 563         } else {
 564             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 565             exit(1);
 566         }
 567     }
 568 }
 569
 570 /***********************************************************/
 571 /* Bluetooth support */
 572 static int nb_hcis;
 573 static int cur_hci;
 574 static struct HCIInfo *hci_table[MAX_NICS];
 575
 576 static struct bt_vlan_s {
 577     struct bt_scatternet_s net;
 578     int id;
 579     struct bt_vlan_s *next;
 580 } *first_bt_vlan;
 581
 582 /* find or alloc a new bluetooth "VLAN" */
 583 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 584 {
 585     struct bt_vlan_s **pvlan, *vlan;
 586     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 587         if (vlan->id == id)
 588             return &vlan->net;
 589     }
 590     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 591     vlan->id = id;
 592     pvlan = &first_bt_vlan;
 593     while (*pvlan != NULL)
 594         pvlan = &(*pvlan)->next;
 595     *pvlan = vlan;
 596     return &vlan->net;
 597 }
 598
 599 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 600 {
 601 }
 602
 603 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 604 {
 605     return -ENOTSUP;
 606 }
 607
 608 static struct HCIInfo null_hci = {
 609     .cmd_send = null_hci_send,
 610     .sco_send = null_hci_send,
 611     .acl_send = null_hci_send,
 612     .bdaddr_set = null_hci_addr_set,
 613 };
 614
 615 struct HCIInfo *qemu_next_hci(void)
 616 {
 617     if (cur_hci == nb_hcis)
 618         return &null_hci;
 619
 620     return hci_table[cur_hci++];
 621 }
 622
 623 static struct HCIInfo *hci_init(const char *str)
 624 {
 625     char *endp;
 626     struct bt_scatternet_s *vlan = 0;
 627
 628     if (!strcmp(str, "null"))
 629         /* null */
 630         return &null_hci;
 631     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 632         /* host[:hciN] */
 633         return bt_host_hci(str[4] ? str + 5 : "hci0");
 634     else if (!strncmp(str, "hci", 3)) {
 635         /* hci[,vlan=n] */
 636         if (str[3]) {
 637             if (!strncmp(str + 3, ",vlan=", 6)) {
 638                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 639                 if (*endp)
 640                     vlan = 0;
 641             }
 642         } else
 643             vlan = qemu_find_bt_vlan(0);
 644         if (vlan)
 645            return bt_new_hci(vlan);
 646     }
 647
 648     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 649
 650     return 0;
 651 }
 652
 653 static int bt_hci_parse(const char *str)
 654 {
 655     struct HCIInfo *hci;
 656     bdaddr_t bdaddr;
 657
 658     if (nb_hcis >= MAX_NICS) {
 659         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 660         return -1;
 661     }
 662
 663     hci = hci_init(str);
 664     if (!hci)
 665         return -1;
 666
 667     bdaddr.b[0] = 0x52;
 668     bdaddr.b[1] = 0x54;
 669     bdaddr.b[2] = 0x00;
 670     bdaddr.b[3] = 0x12;
 671     bdaddr.b[4] = 0x34;
 672     bdaddr.b[5] = 0x56 + nb_hcis;
 673     hci->bdaddr_set(hci, bdaddr.b);
 674
 675     hci_table[nb_hcis++] = hci;
 676
 677     return 0;
 678 }
 679
 680 static void bt_vhci_add(int vlan_id)
 681 {
 682     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 683
 684     if (!vlan->slave)
 685         fprintf(stderr, "qemu: warning: adding a VHCI to "
 686                         "an empty scatternet %i\n", vlan_id);
 687
 688     bt_vhci_init(bt_new_hci(vlan));
 689 }
 690
 691 static struct bt_device_s *bt_device_add(const char *opt)
 692 {
 693     struct bt_scatternet_s *vlan;
 694     int vlan_id = 0;
 695     char *endp = strstr(opt, ",vlan=");
 696     int len = (endp ? endp - opt : strlen(opt)) + 1;
 697     char devname[10];
 698
 699     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 700
 701     if (endp) {
 702         vlan_id = strtol(endp + 6, &endp, 0);
 703         if (*endp) {
 704             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 705             return 0;
 706         }
 707     }
 708
 709     vlan = qemu_find_bt_vlan(vlan_id);
 710
 711     if (!vlan->slave)
 712         fprintf(stderr, "qemu: warning: adding a slave device to "
 713                         "an empty scatternet %i\n", vlan_id);
 714
 715     if (!strcmp(devname, "keyboard"))
 716         return bt_keyboard_init(vlan);
 717
 718     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 719     return 0;
 720 }
 721
 722 static int bt_parse(const char *opt)
 723 {
 724     const char *endp, *p;
 725     int vlan;
 726
 727     if (strstart(opt, "hci", &endp)) {
 728         if (!*endp || *endp == ',') {
 729             if (*endp)
 730                 if (!strstart(endp, ",vlan=", 0))
 731                     opt = endp + 1;
 732
 733             return bt_hci_parse(opt);
 734        }
 735     } else if (strstart(opt, "vhci", &endp)) {
 736         if (!*endp || *endp == ',') {
 737             if (*endp) {
 738                 if (strstart(endp, ",vlan=", &p)) {
 739                     vlan = strtol(p, (char **) &endp, 0);
 740                     if (*endp) {
 741                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 742                         return 1;
 743                     }
 744                 } else {
 745                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 746                     return 1;
 747                 }
 748             } else
 749                 vlan = 0;
 750
 751             bt_vhci_add(vlan);
 752             return 0;
 753         }
 754     } else if (strstart(opt, "device:", &endp))
 755         return !bt_device_add(endp);
 756
 757     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 758     return 1;
 759 }
 760
 761 /***********************************************************/
 762 /* QEMU Block devices */
 763
 764 #define HD_OPTS "media=disk"
 765 #define CDROM_OPTS "media=cdrom"
 766 #define FD_OPTS ""
 767 #define PFLASH_OPTS ""
 768 #define MTD_OPTS ""
 769 #define SD_OPTS ""
 770
 771 static int drive_init_func(QemuOpts *opts, void *opaque)
 772 {
 773     int *use_scsi = opaque;
 774
 775     return drive_init(opts, *use_scsi) == NULL;
 776 }
 777
 778 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 779 {
 780     if (NULL == qemu_opt_get(opts, "snapshot")) {
 781         qemu_opt_set(opts, "snapshot", "on");
 782     }
 783     return 0;
 784 }
 785
 786 static void default_drive(int enable, int snapshot, int use_scsi,
 787                           BlockInterfaceType type, int index,
 788                           const char *optstr)
 789 {
 790     QemuOpts *opts;
 791
 792     if (type == IF_DEFAULT) {
 793         type = use_scsi ? IF_SCSI : IF_IDE;
 794     }
 795
 796     if (!enable || drive_get_by_index(type, index)) {
 797         return;
 798     }
 799
 800     opts = drive_add(type, index, NULL, optstr);
 801     if (snapshot) {
 802         drive_enable_snapshot(opts, NULL);
 803     }
 804     if (!drive_init(opts, use_scsi)) {
 805         exit(1);
 806     }
 807 }
 808
 809 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 810 {
 811     boot_set_handler = func;
 812     boot_set_opaque = opaque;
 813 }
 814
 815 int qemu_boot_set(const char *boot_devices)
 816 {
 817     if (!boot_set_handler) {
 818         return -EINVAL;
 819     }
 820     return boot_set_handler(boot_set_opaque, boot_devices);
 821 }
 822
 823 static void validate_bootdevices(char *devices)
 824 {
 825     /* We just do some generic consistency checks */
 826     const char *p;
 827     int bitmap = 0;
 828
 829     for (p = devices; *p != '\0'; p++) {
 830         /* Allowed boot devices are:
 831          * a-b: floppy disk drives
 832          * c-f: IDE disk drives
 833          * g-m: machine implementation dependent drives
 834          * n-p: network devices
 835          * It's up to each machine implementation to check if the given boot
 836          * devices match the actual hardware implementation and firmware
 837          * features.
 838          */
 839         if (*p < 'a' || *p > 'p') {
 840             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 841             exit(1);
 842         }
 843         if (bitmap & (1 << (*p - 'a'))) {
 844             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 845             exit(1);
 846         }
 847         bitmap |= 1 << (*p - 'a');
 848     }
 849 }
 850
 851 static void restore_boot_devices(void *opaque)
 852 {
 853     char *standard_boot_devices = opaque;
 854     static int first = 1;
 855
 856     /* Restore boot order and remove ourselves after the first boot */
 857     if (first) {
 858         first = 0;
 859         return;
 860     }
 861
 862     qemu_boot_set(standard_boot_devices);
 863
 864     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 865     g_free(standard_boot_devices);
 866 }
 867
 868 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 869                           const char *suffix)
 870 {
 871     FWBootEntry *node, *i;
 872
 873     if (bootindex < 0) {
 874         return;
 875     }
 876
 877     assert(dev != NULL || suffix != NULL);
 878
 879     node = g_malloc0(sizeof(FWBootEntry));
 880     node->bootindex = bootindex;
 881     node->suffix = suffix ? g_strdup(suffix) : NULL;
 882     node->dev = dev;
 883
 884     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 885         if (i->bootindex == bootindex) {
 886             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 887             exit(1);
 888         } else if (i->bootindex < bootindex) {
 889             continue;
 890         }
 891         QTAILQ_INSERT_BEFORE(i, node, link);
 892         return;
 893     }
 894     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 895 }
 896
 897 /*
 898  * This function returns null terminated string that consist of new line
 899  * separated device paths.
 900  *
 901  * memory pointed by "size" is assigned total length of the array in bytes
 902  *
 903  */
 904 char *get_boot_devices_list(uint32_t *size)
 905 {
 906     FWBootEntry *i;
 907     uint32_t total = 0;
 908     char *list = NULL;
 909
 910     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 911         char *devpath = NULL, *bootpath;
 912         int len;
 913
 914         if (i->dev) {
 915             devpath = qdev_get_fw_dev_path(i->dev);
 916             assert(devpath);
 917         }
 918
 919         if (i->suffix && devpath) {
 920             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 921
 922             bootpath = g_malloc(bootpathlen);
 923             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 924             g_free(devpath);
 925         } else if (devpath) {
 926             bootpath = devpath;
 927         } else {
 928             assert(i->suffix);
 929             bootpath = g_strdup(i->suffix);
 930         }
 931
 932         if (total) {
 933             list[total-1] = '\n';
 934         }
 935         len = strlen(bootpath) + 1;
 936         list = g_realloc(list, total + len);
 937         memcpy(&list[total], bootpath, len);
 938         total += len;
 939         g_free(bootpath);
 940     }
 941
 942     *size = total;
 943
 944     return list;
 945 }
 946
 947 static void numa_add(const char *optarg)
 948 {
 949     char option[128];
 950     char *endptr;
 951     unsigned long long value, endvalue;
 952     int nodenr;
 953
 954     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 955     if (!strcmp(option, "node")) {
 956         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 957             nodenr = nb_numa_nodes;
 958         } else {
 959             nodenr = strtoull(option, NULL, 10);
 960         }
 961
 962         if (get_param_value(option, 128, "mem", optarg) == 0) {
 963             node_mem[nodenr] = 0;
 964         } else {
 965             int64_t sval;
 966             sval = strtosz(option, &endptr);
 967             if (sval < 0 || *endptr) {
 968                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 969                 exit(1);
 970             }
 971             node_mem[nodenr] = sval;
 972         }
 973         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 974             node_cpumask[nodenr] = 0;
 975         } else {
 976             value = strtoull(option, &endptr, 10);
 977             if (value >= 64) {
 978                 value = 63;
 979                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 980             } else {
 981                 if (*endptr == '-') {
 982                     endvalue = strtoull(endptr+1, &endptr, 10);
 983                     if (endvalue >= 63) {
 984                         endvalue = 62;
 985                         fprintf(stderr,
 986                             "only 63 CPUs in NUMA mode supported.\n");
 987                     }
 988                     value = (2ULL << endvalue) - (1ULL << value);
 989                 } else {
 990                     value = 1ULL << value;
 991                 }
 992             }
 993             node_cpumask[nodenr] = value;
 994         }
 995         nb_numa_nodes++;
 996     }
 997     return;
 998 }
 999
1000 static void smp_parse(const char *optarg)
1001 {
1002     int smp, sockets = 0, threads = 0, cores = 0;
1003     char *endptr;
1004     char option[128];
1005
1006     smp = strtoul(optarg, &endptr, 10);
1007     if (endptr != optarg) {
1008         if (*endptr == ',') {
1009             endptr++;
1010         }
1011     }
1012     if (get_param_value(option, 128, "sockets", endptr) != 0)
1013         sockets = strtoull(option, NULL, 10);
1014     if (get_param_value(option, 128, "cores", endptr) != 0)
1015         cores = strtoull(option, NULL, 10);
1016     if (get_param_value(option, 128, "threads", endptr) != 0)
1017         threads = strtoull(option, NULL, 10);
1018     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1019         max_cpus = strtoull(option, NULL, 10);
1020
1021     /* compute missing values, prefer sockets over cores over threads */
1022     if (smp == 0 || sockets == 0) {
1023         sockets = sockets > 0 ? sockets : 1;
1024         cores = cores > 0 ? cores : 1;
1025         threads = threads > 0 ? threads : 1;
1026         if (smp == 0) {
1027             smp = cores * threads * sockets;
1028         }
1029     } else {
1030         if (cores == 0) {
1031             threads = threads > 0 ? threads : 1;
1032             cores = smp / (sockets * threads);
1033         } else {
1034             threads = smp / (cores * sockets);
1035         }
1036     }
1037     smp_cpus = smp;
1038     smp_cores = cores > 0 ? cores : 1;
1039     smp_threads = threads > 0 ? threads : 1;
1040     if (max_cpus == 0)
1041         max_cpus = smp_cpus;
1042 }
1043
1044 /***********************************************************/
1045 /* USB devices */
1046
1047 static int usb_device_add(const char *devname)
1048 {
1049     const char *p;
1050     USBDevice *dev = NULL;
1051
1052     if (!usb_enabled)
1053         return -1;
1054
1055     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1056     dev = usbdevice_create(devname);
1057     if (dev)
1058         goto done;
1059
1060     /* the other ones */
1061 #ifndef CONFIG_LINUX
1062     /* only the linux version is qdev-ified, usb-bsd still needs this */
1063     if (strstart(devname, "host:", &p)) {
1064         dev = usb_host_device_open(usb_bus_find(-1), p);
1065     } else
1066 #endif
1067     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1068         dev = usb_bt_init(usb_bus_find(-1),
1069                           devname[2] ? hci_init(p)
1070                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1071     } else {
1072         return -1;
1073     }
1074     if (!dev)
1075         return -1;
1076
1077 done:
1078     return 0;
1079 }
1080
1081 static int usb_device_del(const char *devname)
1082 {
1083     int bus_num, addr;
1084     const char *p;
1085
1086     if (strstart(devname, "host:", &p))
1087         return usb_host_device_close(p);
1088
1089     if (!usb_enabled)
1090         return -1;
1091
1092     p = strchr(devname, '.');
1093     if (!p)
1094         return -1;
1095     bus_num = strtoul(devname, NULL, 0);
1096     addr = strtoul(p + 1, NULL, 0);
1097
1098     return usb_device_delete_addr(bus_num, addr);
1099 }
1100
1101 static int usb_parse(const char *cmdline)
1102 {
1103     int r;
1104     r = usb_device_add(cmdline);
1105     if (r < 0) {
1106         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1107     }
1108     return r;
1109 }
1110
1111 void do_usb_add(Monitor *mon, const QDict *qdict)
1112 {
1113     const char *devname = qdict_get_str(qdict, "devname");
1114     if (usb_device_add(devname) < 0) {
1115         error_report("could not add USB device '%s'", devname);
1116     }
1117 }
1118
1119 void do_usb_del(Monitor *mon, const QDict *qdict)
1120 {
1121     const char *devname = qdict_get_str(qdict, "devname");
1122     if (usb_device_del(devname) < 0) {
1123         error_report("could not delete USB device '%s'", devname);
1124     }
1125 }
1126
1127 /***********************************************************/
1128 /* PCMCIA/Cardbus */
1129
1130 static struct pcmcia_socket_entry_s {
1131     PCMCIASocket *socket;
1132     struct pcmcia_socket_entry_s *next;
1133 } *pcmcia_sockets = 0;
1134
1135 void pcmcia_socket_register(PCMCIASocket *socket)
1136 {
1137     struct pcmcia_socket_entry_s *entry;
1138
1139     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1140     entry->socket = socket;
1141     entry->next = pcmcia_sockets;
1142     pcmcia_sockets = entry;
1143 }
1144
1145 void pcmcia_socket_unregister(PCMCIASocket *socket)
1146 {
1147     struct pcmcia_socket_entry_s *entry, **ptr;
1148
1149     ptr = &pcmcia_sockets;
1150     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1151         if (entry->socket == socket) {
1152             *ptr = entry->next;
1153             g_free(entry);
1154         }
1155 }
1156
1157 void pcmcia_info(Monitor *mon)
1158 {
1159     struct pcmcia_socket_entry_s *iter;
1160
1161     if (!pcmcia_sockets)
1162         monitor_printf(mon, "No PCMCIA sockets\n");
1163
1164     for (iter = pcmcia_sockets; iter; iter = iter->next)
1165         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1166                        iter->socket->attached ? iter->socket->card_string :
1167                        "Empty");
1168 }
1169
1170 /***********************************************************/
1171 /* machine registration */
1172
1173 static QEMUMachine *first_machine = NULL;
1174 QEMUMachine *current_machine = NULL;
1175
1176 int qemu_register_machine(QEMUMachine *m)
1177 {
1178     QEMUMachine **pm;
1179     pm = &first_machine;
1180     while (*pm != NULL)
1181         pm = &(*pm)->next;
1182     m->next = NULL;
1183     *pm = m;
1184     return 0;
1185 }
1186
1187 static QEMUMachine *find_machine(const char *name)
1188 {
1189     QEMUMachine *m;
1190
1191     for(m = first_machine; m != NULL; m = m->next) {
1192         if (!strcmp(m->name, name))
1193             return m;
1194         if (m->alias && !strcmp(m->alias, name))
1195             return m;
1196     }
1197     return NULL;
1198 }
1199
1200 QEMUMachine *find_default_machine(void)
1201 {
1202     QEMUMachine *m;
1203
1204     for(m = first_machine; m != NULL; m = m->next) {
1205         if (m->is_default) {
1206             return m;
1207         }
1208     }
1209     return NULL;
1210 }
1211
1212 /***********************************************************/
1213 /* main execution loop */
1214
1215 static void gui_update(void *opaque)
1216 {
1217     uint64_t interval = GUI_REFRESH_INTERVAL;
1218     DisplayState *ds = opaque;
1219     DisplayChangeListener *dcl = ds->listeners;
1220
1221     dpy_refresh(ds);
1222
1223     while (dcl != NULL) {
1224         if (dcl->gui_timer_interval &&
1225             dcl->gui_timer_interval < interval)
1226             interval = dcl->gui_timer_interval;
1227         dcl = dcl->next;
1228     }
1229     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1230 }
1231
1232 struct vm_change_state_entry {
1233     VMChangeStateHandler *cb;
1234     void *opaque;
1235     QLIST_ENTRY (vm_change_state_entry) entries;
1236 };
1237
1238 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1239
1240 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1241                                                      void *opaque)
1242 {
1243     VMChangeStateEntry *e;
1244
1245     e = g_malloc0(sizeof (*e));
1246
1247     e->cb = cb;
1248     e->opaque = opaque;
1249     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1250     return e;
1251 }
1252
1253 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1254 {
1255     QLIST_REMOVE (e, entries);
1256     g_free (e);
1257 }
1258
1259 void vm_state_notify(int running, RunState state)
1260 {
1261     VMChangeStateEntry *e;
1262
1263     trace_vm_state_notify(running, state);
1264
1265     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1266         e->cb(e->opaque, running, state);
1267     }
1268 }
1269
1270 void vm_start(void)
1271 {
1272     if (!runstate_is_running()) {
1273         cpu_enable_ticks();
1274         runstate_set(RUN_STATE_RUNNING);
1275         vm_state_notify(1, RUN_STATE_RUNNING);
1276         resume_all_vcpus();
1277         monitor_protocol_event(QEVENT_RESUME, NULL);
1278     }
1279 }
1280
1281 /* reset/shutdown handler */
1282
1283 typedef struct QEMUResetEntry {
1284     QTAILQ_ENTRY(QEMUResetEntry) entry;
1285     QEMUResetHandler *func;
1286     void *opaque;
1287 } QEMUResetEntry;
1288
1289 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1290     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1291 static int reset_requested;
1292 static int shutdown_requested, shutdown_signal = -1;
1293 static pid_t shutdown_pid;
1294 static int powerdown_requested;
1295 static int debug_requested;
1296 static int suspend_requested;
1297 static NotifierList suspend_notifiers =
1298     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1299 static NotifierList wakeup_notifiers =
1300     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1301 static uint32_t wakeup_reason_mask = ~0;
1302 static RunState vmstop_requested = RUN_STATE_MAX;
1303
1304 int qemu_shutdown_requested_get(void)
1305 {
1306     return shutdown_requested;
1307 }
1308
1309 int qemu_reset_requested_get(void)
1310 {
1311     return reset_requested;
1312 }
1313
1314 int qemu_shutdown_requested(void)
1315 {
1316     int r = shutdown_requested;
1317     shutdown_requested = 0;
1318     return r;
1319 }
1320
1321 void qemu_kill_report(void)
1322 {
1323     if (!qtest_enabled() && shutdown_signal != -1) {
1324         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1325         if (shutdown_pid == 0) {
1326             /* This happens for eg ^C at the terminal, so it's worth
1327              * avoiding printing an odd message in that case.
1328              */
1329             fputc('\n', stderr);
1330         } else {
1331             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1332         }
1333         shutdown_signal = -1;
1334     }
1335 }
1336
1337 int qemu_reset_requested(void)
1338 {
1339     int r = reset_requested;
1340     reset_requested = 0;
1341     return r;
1342 }
1343
1344 static int qemu_suspend_requested(void)
1345 {
1346     int r = suspend_requested;
1347     suspend_requested = 0;
1348     return r;
1349 }
1350
1351 int qemu_powerdown_requested(void)
1352 {
1353     int r = powerdown_requested;
1354     powerdown_requested = 0;
1355     return r;
1356 }
1357
1358 static int qemu_debug_requested(void)
1359 {
1360     int r = debug_requested;
1361     debug_requested = 0;
1362     return r;
1363 }
1364
1365 /* We use RUN_STATE_MAX but any invalid value will do */
1366 static bool qemu_vmstop_requested(RunState *r)
1367 {
1368     if (vmstop_requested < RUN_STATE_MAX) {
1369         *r = vmstop_requested;
1370         vmstop_requested = RUN_STATE_MAX;
1371         return true;
1372     }
1373
1374     return false;
1375 }
1376
1377 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1378 {
1379     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1380
1381     re->func = func;
1382     re->opaque = opaque;
1383     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1384 }
1385
1386 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1387 {
1388     QEMUResetEntry *re;
1389
1390     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1391         if (re->func == func && re->opaque == opaque) {
1392             QTAILQ_REMOVE(&reset_handlers, re, entry);
1393             g_free(re);
1394             return;
1395         }
1396     }
1397 }
1398
1399 void qemu_system_reset(bool report)
1400 {
1401     QEMUResetEntry *re, *nre;
1402
1403     /* reset all devices */
1404     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1405         re->func(re->opaque);
1406     }
1407     if (report) {
1408         monitor_protocol_event(QEVENT_RESET, NULL);
1409     }
1410     cpu_synchronize_all_post_reset();
1411 }
1412
1413 void qemu_system_reset_request(void)
1414 {
1415     if (no_reboot) {
1416         shutdown_requested = 1;
1417     } else {
1418         reset_requested = 1;
1419     }
1420     cpu_stop_current();
1421     qemu_notify_event();
1422 }
1423
1424 static void qemu_system_suspend(void)
1425 {
1426     pause_all_vcpus();
1427     notifier_list_notify(&suspend_notifiers, NULL);
1428     runstate_set(RUN_STATE_SUSPENDED);
1429     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1430 }
1431
1432 void qemu_system_suspend_request(void)
1433 {
1434     if (runstate_check(RUN_STATE_SUSPENDED)) {
1435         return;
1436     }
1437     suspend_requested = 1;
1438     cpu_stop_current();
1439     qemu_notify_event();
1440 }
1441
1442 void qemu_register_suspend_notifier(Notifier *notifier)
1443 {
1444     notifier_list_add(&suspend_notifiers, notifier);
1445 }
1446
1447 void qemu_system_wakeup_request(WakeupReason reason)
1448 {
1449     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1450         return;
1451     }
1452     if (!(wakeup_reason_mask & (1 << reason))) {
1453         return;
1454     }
1455     runstate_set(RUN_STATE_RUNNING);
1456     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1457     notifier_list_notify(&wakeup_notifiers, &reason);
1458     reset_requested = 1;
1459     qemu_notify_event();
1460 }
1461
1462 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1463 {
1464     if (enabled) {
1465         wakeup_reason_mask |= (1 << reason);
1466     } else {
1467         wakeup_reason_mask &= ~(1 << reason);
1468     }
1469 }
1470
1471 void qemu_register_wakeup_notifier(Notifier *notifier)
1472 {
1473     notifier_list_add(&wakeup_notifiers, notifier);
1474 }
1475
1476 void qemu_system_killed(int signal, pid_t pid)
1477 {
1478     shutdown_signal = signal;
1479     shutdown_pid = pid;
1480     no_shutdown = 0;
1481     qemu_system_shutdown_request();
1482 }
1483
1484 void qemu_system_shutdown_request(void)
1485 {
1486     shutdown_requested = 1;
1487     qemu_notify_event();
1488 }
1489
1490 void qemu_system_powerdown_request(void)
1491 {
1492     powerdown_requested = 1;
1493     qemu_notify_event();
1494 }
1495
1496 void qemu_system_debug_request(void)
1497 {
1498     debug_requested = 1;
1499     qemu_notify_event();
1500 }
1501
1502 void qemu_system_vmstop_request(RunState state)
1503 {
1504     vmstop_requested = state;
1505     qemu_notify_event();
1506 }
1507
1508 qemu_irq qemu_system_powerdown;
1509
1510 static bool main_loop_should_exit(void)
1511 {
1512     RunState r;
1513     if (qemu_debug_requested()) {
1514         vm_stop(RUN_STATE_DEBUG);
1515     }
1516     if (qemu_suspend_requested()) {
1517         qemu_system_suspend();
1518     }
1519     if (qemu_shutdown_requested()) {
1520         qemu_kill_report();
1521         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1522         if (no_shutdown) {
1523             vm_stop(RUN_STATE_SHUTDOWN);
1524         } else {
1525             return true;
1526         }
1527     }
1528     if (qemu_reset_requested()) {
1529         pause_all_vcpus();
1530         cpu_synchronize_all_states();
1531         qemu_system_reset(VMRESET_REPORT);
1532         resume_all_vcpus();
1533         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1534             runstate_check(RUN_STATE_SHUTDOWN)) {
1535             runstate_set(RUN_STATE_PAUSED);
1536         }
1537     }
1538     if (qemu_powerdown_requested()) {
1539         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1540         qemu_irq_raise(qemu_system_powerdown);
1541     }
1542     if (qemu_vmstop_requested(&r)) {
1543         vm_stop(r);
1544     }
1545     return false;
1546 }
1547
1548 static void main_loop(void)
1549 {
1550     bool nonblocking;
1551     int last_io = 0;
1552 #ifdef CONFIG_PROFILER
1553     int64_t ti;
1554 #endif
1555     do {
1556         nonblocking = !kvm_enabled() && last_io > 0;
1557 #ifdef CONFIG_PROFILER
1558         ti = profile_getclock();
1559 #endif
1560         last_io = main_loop_wait(nonblocking);
1561 #ifdef CONFIG_PROFILER
1562         dev_time += profile_getclock() - ti;
1563 #endif
1564     } while (!main_loop_should_exit());
1565 }
1566
1567 static void version(void)
1568 {
1569     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1570 }
1571
1572 static void help(int exitcode)
1573 {
1574     version();
1575     printf("usage: %s [options] [disk_image]\n\n"
1576            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1577             error_get_progname());
1578
1579 #define QEMU_OPTIONS_GENERATE_HELP
1580 #include "qemu-options-wrapper.h"
1581
1582     printf("\nDuring emulation, the following keys are useful:\n"
1583            "ctrl-alt-f      toggle full screen\n"
1584            "ctrl-alt-n      switch to virtual console 'n'\n"
1585            "ctrl-alt        toggle mouse and keyboard grab\n"
1586            "\n"
1587            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1588
1589     exit(exitcode);
1590 }
1591
1592 #define HAS_ARG 0x0001
1593
1594 typedef struct QEMUOption {
1595     const char *name;
1596     int flags;
1597     int index;
1598     uint32_t arch_mask;
1599 } QEMUOption;
1600
1601 static const QEMUOption qemu_options[] = {
1602     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1603 #define QEMU_OPTIONS_GENERATE_OPTIONS
1604 #include "qemu-options-wrapper.h"
1605     { NULL },
1606 };
1607
1608 static bool vga_available(void)
1609 {
1610     return qdev_exists("VGA") || qdev_exists("isa-vga");
1611 }
1612
1613 static bool cirrus_vga_available(void)
1614 {
1615     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1616 }
1617
1618 static bool vmware_vga_available(void)
1619 {
1620     return qdev_exists("vmware-svga");
1621 }
1622
1623 static void select_vgahw (const char *p)
1624 {
1625     const char *opts;
1626
1627     vga_interface_type = VGA_NONE;
1628     if (strstart(p, "std", &opts)) {
1629         if (vga_available()) {
1630             vga_interface_type = VGA_STD;
1631         } else {
1632             fprintf(stderr, "Error: standard VGA not available\n");
1633             exit(0);
1634         }
1635     } else if (strstart(p, "cirrus", &opts)) {
1636         if (cirrus_vga_available()) {
1637             vga_interface_type = VGA_CIRRUS;
1638         } else {
1639             fprintf(stderr, "Error: Cirrus VGA not available\n");
1640             exit(0);
1641         }
1642     } else if (strstart(p, "vmware", &opts)) {
1643         if (vmware_vga_available()) {
1644             vga_interface_type = VGA_VMWARE;
1645         } else {
1646             fprintf(stderr, "Error: VMWare SVGA not available\n");
1647             exit(0);
1648         }
1649     } else if (strstart(p, "xenfb", &opts)) {
1650         vga_interface_type = VGA_XENFB;
1651     } else if (strstart(p, "qxl", &opts)) {
1652         vga_interface_type = VGA_QXL;
1653     } else if (!strstart(p, "none", &opts)) {
1654     invalid_vga:
1655         fprintf(stderr, "Unknown vga type: %s\n", p);
1656         exit(1);
1657     }
1658     while (*opts) {
1659         const char *nextopt;
1660
1661         if (strstart(opts, ",retrace=", &nextopt)) {
1662             opts = nextopt;
1663             if (strstart(opts, "dumb", &nextopt))
1664                 vga_retrace_method = VGA_RETRACE_DUMB;
1665             else if (strstart(opts, "precise", &nextopt))
1666                 vga_retrace_method = VGA_RETRACE_PRECISE;
1667             else goto invalid_vga;
1668         } else goto invalid_vga;
1669         opts = nextopt;
1670     }
1671 }
1672
1673 static DisplayType select_display(const char *p)
1674 {
1675     const char *opts;
1676     DisplayType display = DT_DEFAULT;
1677
1678     if (strstart(p, "sdl", &opts)) {
1679 #ifdef CONFIG_SDL
1680         display = DT_SDL;
1681         while (*opts) {
1682             const char *nextopt;
1683
1684             if (strstart(opts, ",frame=", &nextopt)) {
1685                 opts = nextopt;
1686                 if (strstart(opts, "on", &nextopt)) {
1687                     no_frame = 0;
1688                 } else if (strstart(opts, "off", &nextopt)) {
1689                     no_frame = 1;
1690                 } else {
1691                     goto invalid_sdl_args;
1692                 }
1693             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1694                 opts = nextopt;
1695                 if (strstart(opts, "on", &nextopt)) {
1696                     alt_grab = 1;
1697                 } else if (strstart(opts, "off", &nextopt)) {
1698                     alt_grab = 0;
1699                 } else {
1700                     goto invalid_sdl_args;
1701                 }
1702             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1703                 opts = nextopt;
1704                 if (strstart(opts, "on", &nextopt)) {
1705                     ctrl_grab = 1;
1706                 } else if (strstart(opts, "off", &nextopt)) {
1707                     ctrl_grab = 0;
1708                 } else {
1709                     goto invalid_sdl_args;
1710                 }
1711             } else if (strstart(opts, ",window_close=", &nextopt)) {
1712                 opts = nextopt;
1713                 if (strstart(opts, "on", &nextopt)) {
1714                     no_quit = 0;
1715                 } else if (strstart(opts, "off", &nextopt)) {
1716                     no_quit = 1;
1717                 } else {
1718                     goto invalid_sdl_args;
1719                 }
1720             } else {
1721             invalid_sdl_args:
1722                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1723                 exit(1);
1724             }
1725             opts = nextopt;
1726         }
1727 #else
1728         fprintf(stderr, "SDL support is disabled\n");
1729         exit(1);
1730 #endif
1731     } else if (strstart(p, "vnc", &opts)) {
1732 #ifdef CONFIG_VNC
1733         display_remote++;
1734
1735         if (*opts) {
1736             const char *nextopt;
1737
1738             if (strstart(opts, "=", &nextopt)) {
1739                 vnc_display = nextopt;
1740             }
1741         }
1742         if (!vnc_display) {
1743             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1744             exit(1);
1745         }
1746 #else
1747         fprintf(stderr, "VNC support is disabled\n");
1748         exit(1);
1749 #endif
1750     } else if (strstart(p, "curses", &opts)) {
1751 #ifdef CONFIG_CURSES
1752         display = DT_CURSES;
1753 #else
1754         fprintf(stderr, "Curses support is disabled\n");
1755         exit(1);
1756 #endif
1757     } else if (strstart(p, "none", &opts)) {
1758         display = DT_NONE;
1759     } else {
1760         fprintf(stderr, "Unknown display type: %s\n", p);
1761         exit(1);
1762     }
1763
1764     return display;
1765 }
1766
1767 static int balloon_parse(const char *arg)
1768 {
1769     QemuOpts *opts;
1770
1771     if (strcmp(arg, "none") == 0) {
1772         return 0;
1773     }
1774
1775     if (!strncmp(arg, "virtio", 6)) {
1776         if (arg[6] == ',') {
1777             /* have params -> parse them */
1778             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1779             if (!opts)
1780                 return  -1;
1781         } else {
1782             /* create empty opts */
1783             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1784         }
1785         qemu_opt_set(opts, "driver", "virtio-balloon");
1786         return 0;
1787     }
1788
1789     return -1;
1790 }
1791
1792 char *qemu_find_file(int type, const char *name)
1793 {
1794     int len;
1795     const char *subdir;
1796     char *buf;
1797
1798     /* Try the name as a straight path first */
1799     if (access(name, R_OK) == 0) {
1800         return g_strdup(name);
1801     }
1802     switch (type) {
1803     case QEMU_FILE_TYPE_BIOS:
1804         subdir = "";
1805         break;
1806     case QEMU_FILE_TYPE_KEYMAP:
1807         subdir = "keymaps/";
1808         break;
1809     default:
1810         abort();
1811     }
1812     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1813     buf = g_malloc0(len);
1814     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1815     if (access(buf, R_OK)) {
1816         g_free(buf);
1817         return NULL;
1818     }
1819     return buf;
1820 }
1821
1822 static int device_help_func(QemuOpts *opts, void *opaque)
1823 {
1824     return qdev_device_help(opts);
1825 }
1826
1827 static int device_init_func(QemuOpts *opts, void *opaque)
1828 {
1829     DeviceState *dev;
1830
1831     dev = qdev_device_add(opts);
1832     if (!dev)
1833         return -1;
1834     return 0;
1835 }
1836
1837 static int chardev_init_func(QemuOpts *opts, void *opaque)
1838 {
1839     CharDriverState *chr;
1840
1841     chr = qemu_chr_new_from_opts(opts, NULL);
1842     if (!chr)
1843         return -1;
1844     return 0;
1845 }
1846
1847 #ifdef CONFIG_VIRTFS
1848 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1849 {
1850     int ret;
1851     ret = qemu_fsdev_add(opts);
1852
1853     return ret;
1854 }
1855 #endif
1856
1857 static int mon_init_func(QemuOpts *opts, void *opaque)
1858 {
1859     CharDriverState *chr;
1860     const char *chardev;
1861     const char *mode;
1862     int flags;
1863
1864     mode = qemu_opt_get(opts, "mode");
1865     if (mode == NULL) {
1866         mode = "readline";
1867     }
1868     if (strcmp(mode, "readline") == 0) {
1869         flags = MONITOR_USE_READLINE;
1870     } else if (strcmp(mode, "control") == 0) {
1871         flags = MONITOR_USE_CONTROL;
1872     } else {
1873         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1874         exit(1);
1875     }
1876
1877     if (qemu_opt_get_bool(opts, "pretty", 0))
1878         flags |= MONITOR_USE_PRETTY;
1879
1880     if (qemu_opt_get_bool(opts, "default", 0))
1881         flags |= MONITOR_IS_DEFAULT;
1882
1883     chardev = qemu_opt_get(opts, "chardev");
1884     chr = qemu_chr_find(chardev);
1885     if (chr == NULL) {
1886         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1887         exit(1);
1888     }
1889
1890     monitor_init(chr, flags);
1891     return 0;
1892 }
1893
1894 static void monitor_parse(const char *optarg, const char *mode)
1895 {
1896     static int monitor_device_index = 0;
1897     QemuOpts *opts;
1898     const char *p;
1899     char label[32];
1900     int def = 0;
1901
1902     if (strstart(optarg, "chardev:", &p)) {
1903         snprintf(label, sizeof(label), "%s", p);
1904     } else {
1905         snprintf(label, sizeof(label), "compat_monitor%d",
1906                  monitor_device_index);
1907         if (monitor_device_index == 0) {
1908             def = 1;
1909         }
1910         opts = qemu_chr_parse_compat(label, optarg);
1911         if (!opts) {
1912             fprintf(stderr, "parse error: %s\n", optarg);
1913             exit(1);
1914         }
1915     }
1916
1917     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1918     if (!opts) {
1919         fprintf(stderr, "duplicate chardev: %s\n", label);
1920         exit(1);
1921     }
1922     qemu_opt_set(opts, "mode", mode);
1923     qemu_opt_set(opts, "chardev", label);
1924     if (def)
1925         qemu_opt_set(opts, "default", "on");
1926     monitor_device_index++;
1927 }
1928
1929 struct device_config {
1930     enum {
1931         DEV_USB,       /* -usbdevice     */
1932         DEV_BT,        /* -bt            */
1933         DEV_SERIAL,    /* -serial        */
1934         DEV_PARALLEL,  /* -parallel      */
1935         DEV_VIRTCON,   /* -virtioconsole */
1936         DEV_DEBUGCON,  /* -debugcon */
1937         DEV_GDB,       /* -gdb, -s */
1938     } type;
1939     const char *cmdline;
1940     Location loc;
1941     QTAILQ_ENTRY(device_config) next;
1942 };
1943 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1944
1945 static void add_device_config(int type, const char *cmdline)
1946 {
1947     struct device_config *conf;
1948
1949     conf = g_malloc0(sizeof(*conf));
1950     conf->type = type;
1951     conf->cmdline = cmdline;
1952     loc_save(&conf->loc);
1953     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1954 }
1955
1956 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1957 {
1958     struct device_config *conf;
1959     int rc;
1960
1961     QTAILQ_FOREACH(conf, &device_configs, next) {
1962         if (conf->type != type)
1963             continue;
1964         loc_push_restore(&conf->loc);
1965         rc = func(conf->cmdline);
1966         loc_pop(&conf->loc);
1967         if (0 != rc)
1968             return rc;
1969     }
1970     return 0;
1971 }
1972
1973 static int serial_parse(const char *devname)
1974 {
1975     static int index = 0;
1976     char label[32];
1977
1978     if (strcmp(devname, "none") == 0)
1979         return 0;
1980     if (index == MAX_SERIAL_PORTS) {
1981         fprintf(stderr, "qemu: too many serial ports\n");
1982         exit(1);
1983     }
1984     snprintf(label, sizeof(label), "serial%d", index);
1985     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1986     if (!serial_hds[index]) {
1987         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1988                 devname, strerror(errno));
1989         return -1;
1990     }
1991     index++;
1992     return 0;
1993 }
1994
1995 static int parallel_parse(const char *devname)
1996 {
1997     static int index = 0;
1998     char label[32];
1999
2000     if (strcmp(devname, "none") == 0)
2001         return 0;
2002     if (index == MAX_PARALLEL_PORTS) {
2003         fprintf(stderr, "qemu: too many parallel ports\n");
2004         exit(1);
2005     }
2006     snprintf(label, sizeof(label), "parallel%d", index);
2007     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2008     if (!parallel_hds[index]) {
2009         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2010                 devname, strerror(errno));
2011         return -1;
2012     }
2013     index++;
2014     return 0;
2015 }
2016
2017 static int virtcon_parse(const char *devname)
2018 {
2019     QemuOptsList *device = qemu_find_opts("device");
2020     static int index = 0;
2021     char label[32];
2022     QemuOpts *bus_opts, *dev_opts;
2023
2024     if (strcmp(devname, "none") == 0)
2025         return 0;
2026     if (index == MAX_VIRTIO_CONSOLES) {
2027         fprintf(stderr, "qemu: too many virtio consoles\n");
2028         exit(1);
2029     }
2030
2031     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2032     if (arch_type == QEMU_ARCH_S390X) {
2033         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2034     } else {
2035         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2036     }
2037
2038     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2039     qemu_opt_set(dev_opts, "driver", "virtconsole");
2040
2041     snprintf(label, sizeof(label), "virtcon%d", index);
2042     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2043     if (!virtcon_hds[index]) {
2044         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2045                 devname, strerror(errno));
2046         return -1;
2047     }
2048     qemu_opt_set(dev_opts, "chardev", label);
2049
2050     index++;
2051     return 0;
2052 }
2053
2054 static int debugcon_parse(const char *devname)
2055 {
2056     QemuOpts *opts;
2057
2058     if (!qemu_chr_new("debugcon", devname, NULL)) {
2059         exit(1);
2060     }
2061     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2062     if (!opts) {
2063         fprintf(stderr, "qemu: already have a debugcon device\n");
2064         exit(1);
2065     }
2066     qemu_opt_set(opts, "driver", "isa-debugcon");
2067     qemu_opt_set(opts, "chardev", "debugcon");
2068     return 0;
2069 }
2070
2071 static QEMUMachine *machine_parse(const char *name)
2072 {
2073     QEMUMachine *m, *machine = NULL;
2074
2075     if (name) {
2076         machine = find_machine(name);
2077     }
2078     if (machine) {
2079         return machine;
2080     }
2081     printf("Supported machines are:\n");
2082     for (m = first_machine; m != NULL; m = m->next) {
2083         if (m->alias) {
2084             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2085         }
2086         printf("%-20s %s%s\n", m->name, m->desc,
2087                m->is_default ? " (default)" : "");
2088     }
2089     exit(!name || *name != '?');
2090 }
2091
2092 static int tcg_init(void)
2093 {
2094     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2095     return 0;
2096 }
2097
2098 static struct {
2099     const char *opt_name;
2100     const char *name;
2101     int (*available)(void);
2102     int (*init)(void);
2103     int *allowed;
2104 } accel_list[] = {
2105     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2106     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2107     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2108     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2109 };
2110
2111 static int configure_accelerator(void)
2112 {
2113     const char *p = NULL;
2114     char buf[10];
2115     int i, ret;
2116     bool accel_initialised = 0;
2117     bool init_failed = 0;
2118
2119     QemuOptsList *list = qemu_find_opts("machine");
2120     if (!QTAILQ_EMPTY(&list->head)) {
2121         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2122     }
2123
2124     if (p == NULL) {
2125         /* Use the default "accelerator", tcg */
2126         p = "tcg";
2127     }
2128
2129     while (!accel_initialised && *p != '\0') {
2130         if (*p == ':') {
2131             p++;
2132         }
2133         p = get_opt_name(buf, sizeof (buf), p, ':');
2134         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2135             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2136                 *(accel_list[i].allowed) = 1;
2137                 ret = accel_list[i].init();
2138                 if (ret < 0) {
2139                     init_failed = 1;
2140                     if (!accel_list[i].available()) {
2141                         printf("%s not supported for this target\n",
2142                                accel_list[i].name);
2143                     } else {
2144                         fprintf(stderr, "failed to initialize %s: %s\n",
2145                                 accel_list[i].name,
2146                                 strerror(-ret));
2147                     }
2148                     *(accel_list[i].allowed) = 0;
2149                 } else {
2150                     accel_initialised = 1;
2151                 }
2152                 break;
2153             }
2154         }
2155         if (i == ARRAY_SIZE(accel_list)) {
2156             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2157         }
2158     }
2159
2160     if (!accel_initialised) {
2161         fprintf(stderr, "No accelerator found!\n");
2162         exit(1);
2163     }
2164
2165     if (init_failed) {
2166         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2167     }
2168
2169     return !accel_initialised;
2170 }
2171
2172 void qemu_add_exit_notifier(Notifier *notify)
2173 {
2174     notifier_list_add(&exit_notifiers, notify);
2175 }
2176
2177 void qemu_remove_exit_notifier(Notifier *notify)
2178 {
2179     notifier_remove(notify);
2180 }
2181
2182 static void qemu_run_exit_notifiers(void)
2183 {
2184     notifier_list_notify(&exit_notifiers, NULL);
2185 }
2186
2187 void qemu_add_machine_init_done_notifier(Notifier *notify)
2188 {
2189     notifier_list_add(&machine_init_done_notifiers, notify);
2190 }
2191
2192 static void qemu_run_machine_init_done_notifiers(void)
2193 {
2194     notifier_list_notify(&machine_init_done_notifiers, NULL);
2195 }
2196
2197 static const QEMUOption *lookup_opt(int argc, char **argv,
2198                                     const char **poptarg, int *poptind)
2199 {
2200     const QEMUOption *popt;
2201     int optind = *poptind;
2202     char *r = argv[optind];
2203     const char *optarg;
2204
2205     loc_set_cmdline(argv, optind, 1);
2206     optind++;
2207     /* Treat --foo the same as -foo.  */
2208     if (r[1] == '-')
2209         r++;
2210     popt = qemu_options;
2211     for(;;) {
2212         if (!popt->name) {
2213             error_report("invalid option");
2214             exit(1);
2215         }
2216         if (!strcmp(popt->name, r + 1))
2217             break;
2218         popt++;
2219     }
2220     if (popt->flags & HAS_ARG) {
2221         if (optind >= argc) {
2222             error_report("requires an argument");
2223             exit(1);
2224         }
2225         optarg = argv[optind++];
2226         loc_set_cmdline(argv, optind - 2, 2);
2227     } else {
2228         optarg = NULL;
2229     }
2230
2231     *poptarg = optarg;
2232     *poptind = optind;
2233
2234     return popt;
2235 }
2236
2237 static gpointer malloc_and_trace(gsize n_bytes)
2238 {
2239     void *ptr = malloc(n_bytes);
2240     trace_g_malloc(n_bytes, ptr);
2241     return ptr;
2242 }
2243
2244 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2245 {
2246     void *ptr = realloc(mem, n_bytes);
2247     trace_g_realloc(mem, n_bytes, ptr);
2248     return ptr;
2249 }
2250
2251 static void free_and_trace(gpointer mem)
2252 {
2253     trace_g_free(mem);
2254     free(mem);
2255 }
2256
2257 int qemu_init_main_loop(void)
2258 {
2259     return main_loop_init();
2260 }
2261
2262 int main(int argc, char **argv, char **envp)
2263 {
2264     int i;
2265     int snapshot, linux_boot;
2266     const char *icount_option = NULL;
2267     const char *initrd_filename;
2268     const char *kernel_filename, *kernel_cmdline;
2269     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2270     DisplayState *ds;
2271     DisplayChangeListener *dcl;
2272     int cyls, heads, secs, translation;
2273     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2274     QemuOptsList *olist;
2275     int optind;
2276     const char *optarg;
2277     const char *loadvm = NULL;
2278     QEMUMachine *machine;
2279     const char *cpu_model;
2280     const char *vga_model = "none";
2281     const char *pid_file = NULL;
2282     const char *incoming = NULL;
2283 #ifdef CONFIG_VNC
2284     int show_vnc_port = 0;
2285 #endif
2286     bool defconfig = true;
2287     bool userconfig = true;
2288     const char *log_mask = NULL;
2289     const char *log_file = NULL;
2290     GMemVTable mem_trace = {
2291         .malloc = malloc_and_trace,
2292         .realloc = realloc_and_trace,
2293         .free = free_and_trace,
2294     };
2295     const char *trace_events = NULL;
2296     const char *trace_file = NULL;
2297
2298     atexit(qemu_run_exit_notifiers);
2299     error_set_progname(argv[0]);
2300
2301     g_mem_set_vtable(&mem_trace);
2302     if (!g_thread_supported()) {
2303 #if !GLIB_CHECK_VERSION(2, 31, 0)
2304         g_thread_init(NULL);
2305 #else
2306         fprintf(stderr, "glib threading failed to initialize.\n");
2307         exit(1);
2308 #endif
2309     }
2310
2311     module_call_init(MODULE_INIT_QOM);
2312
2313     runstate_init();
2314
2315     init_clocks();
2316     rtc_clock = host_clock;
2317
2318     qemu_cache_utils_init(envp);
2319
2320     QLIST_INIT (&vm_change_state_head);
2321     os_setup_early_signal_handling();
2322
2323     module_call_init(MODULE_INIT_MACHINE);
2324     machine = find_default_machine();
2325     cpu_model = NULL;
2326     ram_size = 0;
2327     snapshot = 0;
2328     cyls = heads = secs = 0;
2329     translation = BIOS_ATA_TRANSLATION_AUTO;
2330
2331     for (i = 0; i < MAX_NODES; i++) {
2332         node_mem[i] = 0;
2333         node_cpumask[i] = 0;
2334     }
2335
2336     nb_numa_nodes = 0;
2337     nb_nics = 0;
2338
2339     autostart= 1;
2340
2341     /* first pass of option parsing */
2342     optind = 1;
2343     while (optind < argc) {
2344         if (argv[optind][0] != '-') {
2345             /* disk image */
2346             optind++;
2347             continue;
2348         } else {
2349             const QEMUOption *popt;
2350
2351             popt = lookup_opt(argc, argv, &optarg, &optind);
2352             switch (popt->index) {
2353             case QEMU_OPTION_nodefconfig:
2354                 defconfig = false;
2355                 break;
2356             case QEMU_OPTION_nouserconfig:
2357                 userconfig = false;
2358                 break;
2359             }
2360         }
2361     }
2362
2363     if (defconfig) {
2364         int ret;
2365         ret = qemu_read_default_config_files(userconfig);
2366         if (ret < 0) {
2367             exit(1);
2368         }
2369     }
2370
2371     /* second pass of option parsing */
2372     optind = 1;
2373     for(;;) {
2374         if (optind >= argc)
2375             break;
2376         if (argv[optind][0] != '-') {
2377             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2378         } else {
2379             const QEMUOption *popt;
2380
2381             popt = lookup_opt(argc, argv, &optarg, &optind);
2382             if (!(popt->arch_mask & arch_type)) {
2383                 printf("Option %s not supported for this target\n", popt->name);
2384                 exit(1);
2385             }
2386             switch(popt->index) {
2387             case QEMU_OPTION_M:
2388                 machine = machine_parse(optarg);
2389                 break;
2390             case QEMU_OPTION_cpu:
2391                 /* hw initialization will check this */
2392                 cpu_model = optarg;
2393                 break;
2394             case QEMU_OPTION_hda:
2395                 {
2396                     char buf[256];
2397                     if (cyls == 0)
2398                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2399                     else
2400                         snprintf(buf, sizeof(buf),
2401                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2402                                  HD_OPTS , cyls, heads, secs,
2403                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2404                                  ",trans=lba" :
2405                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2406                                  ",trans=none" : "");
2407                     drive_add(IF_DEFAULT, 0, optarg, buf);
2408                     break;
2409                 }
2410             case QEMU_OPTION_hdb:
2411             case QEMU_OPTION_hdc:
2412             case QEMU_OPTION_hdd:
2413                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2414                           HD_OPTS);
2415                 break;
2416             case QEMU_OPTION_drive:
2417                 if (drive_def(optarg) == NULL) {
2418                     exit(1);
2419                 }
2420                 break;
2421             case QEMU_OPTION_set:
2422                 if (qemu_set_option(optarg) != 0)
2423                     exit(1);
2424                 break;
2425             case QEMU_OPTION_global:
2426                 if (qemu_global_option(optarg) != 0)
2427                     exit(1);
2428                 break;
2429             case QEMU_OPTION_mtdblock:
2430                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2431                 break;
2432             case QEMU_OPTION_sd:
2433                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2434                 break;
2435             case QEMU_OPTION_pflash:
2436                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2437                 break;
2438             case QEMU_OPTION_snapshot:
2439                 snapshot = 1;
2440                 break;
2441             case QEMU_OPTION_hdachs:
2442                 {
2443                     const char *p;
2444                     p = optarg;
2445                     cyls = strtol(p, (char **)&p, 0);
2446                     if (cyls < 1 || cyls > 16383)
2447                         goto chs_fail;
2448                     if (*p != ',')
2449                         goto chs_fail;
2450                     p++;
2451                     heads = strtol(p, (char **)&p, 0);
2452                     if (heads < 1 || heads > 16)
2453                         goto chs_fail;
2454                     if (*p != ',')
2455                         goto chs_fail;
2456                     p++;
2457                     secs = strtol(p, (char **)&p, 0);
2458                     if (secs < 1 || secs > 63)
2459                         goto chs_fail;
2460                     if (*p == ',') {
2461                         p++;
2462                         if (!strcmp(p, "none"))
2463                             translation = BIOS_ATA_TRANSLATION_NONE;
2464                         else if (!strcmp(p, "lba"))
2465                             translation = BIOS_ATA_TRANSLATION_LBA;
2466                         else if (!strcmp(p, "auto"))
2467                             translation = BIOS_ATA_TRANSLATION_AUTO;
2468                         else
2469                             goto chs_fail;
2470                     } else if (*p != '\0') {
2471                     chs_fail:
2472                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2473                         exit(1);
2474                     }
2475                     if (hda_opts != NULL) {
2476                         char num[16];
2477                         snprintf(num, sizeof(num), "%d", cyls);
2478                         qemu_opt_set(hda_opts, "cyls", num);
2479                         snprintf(num, sizeof(num), "%d", heads);
2480                         qemu_opt_set(hda_opts, "heads", num);
2481                         snprintf(num, sizeof(num), "%d", secs);
2482                         qemu_opt_set(hda_opts, "secs", num);
2483                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2484                             qemu_opt_set(hda_opts, "trans", "lba");
2485                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2486                             qemu_opt_set(hda_opts, "trans", "none");
2487                     }
2488                 }
2489                 break;
2490             case QEMU_OPTION_numa:
2491                 if (nb_numa_nodes >= MAX_NODES) {
2492                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2493                     exit(1);
2494                 }
2495                 numa_add(optarg);
2496                 break;
2497             case QEMU_OPTION_display:
2498                 display_type = select_display(optarg);
2499                 break;
2500             case QEMU_OPTION_nographic:
2501                 display_type = DT_NOGRAPHIC;
2502                 break;
2503             case QEMU_OPTION_curses:
2504 #ifdef CONFIG_CURSES
2505                 display_type = DT_CURSES;
2506 #else
2507                 fprintf(stderr, "Curses support is disabled\n");
2508                 exit(1);
2509 #endif
2510                 break;
2511             case QEMU_OPTION_portrait:
2512                 graphic_rotate = 90;
2513                 break;
2514             case QEMU_OPTION_rotate:
2515                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2516                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2517                     graphic_rotate != 180 && graphic_rotate != 270) {
2518                     fprintf(stderr,
2519                         "qemu: only 90, 180, 270 deg rotation is available\n");
2520                     exit(1);
2521                 }
2522                 break;
2523             case QEMU_OPTION_kernel:
2524                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2525                 break;
2526             case QEMU_OPTION_initrd:
2527                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2528                 break;
2529             case QEMU_OPTION_append:
2530                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2531                 break;
2532             case QEMU_OPTION_dtb:
2533                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2534                 break;
2535             case QEMU_OPTION_cdrom:
2536                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2537                 break;
2538             case QEMU_OPTION_boot:
2539                 {
2540                     static const char * const params[] = {
2541                         "order", "once", "menu",
2542                         "splash", "splash-time", NULL
2543                     };
2544                     char buf[sizeof(boot_devices)];
2545                     char *standard_boot_devices;
2546                     int legacy = 0;
2547
2548                     if (!strchr(optarg, '=')) {
2549                         legacy = 1;
2550                         pstrcpy(buf, sizeof(buf), optarg);
2551                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2552                         fprintf(stderr,
2553                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2554                                 buf, optarg);
2555                         exit(1);
2556                     }
2557
2558                     if (legacy ||
2559                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2560                         validate_bootdevices(buf);
2561                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2562                     }
2563                     if (!legacy) {
2564                         if (get_param_value(buf, sizeof(buf),
2565                                             "once", optarg)) {
2566                             validate_bootdevices(buf);
2567                             standard_boot_devices = g_strdup(boot_devices);
2568                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2569                             qemu_register_reset(restore_boot_devices,
2570                                                 standard_boot_devices);
2571                         }
2572                         if (get_param_value(buf, sizeof(buf),
2573                                             "menu", optarg)) {
2574                             if (!strcmp(buf, "on")) {
2575                                 boot_menu = 1;
2576                             } else if (!strcmp(buf, "off")) {
2577                                 boot_menu = 0;
2578                             } else {
2579                                 fprintf(stderr,
2580                                         "qemu: invalid option value '%s'\n",
2581                                         buf);
2582                                 exit(1);
2583                             }
2584                         }
2585                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2586                                         optarg, 0);
2587                     }
2588                 }
2589                 break;
2590             case QEMU_OPTION_fda:
2591             case QEMU_OPTION_fdb:
2592                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2593                           optarg, FD_OPTS);
2594                 break;
2595             case QEMU_OPTION_no_fd_bootchk:
2596                 fd_bootchk = 0;
2597                 break;
2598             case QEMU_OPTION_netdev:
2599                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2600                     exit(1);
2601                 }
2602                 break;
2603             case QEMU_OPTION_net:
2604                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2605                     exit(1);
2606                 }
2607                 break;
2608 #ifdef CONFIG_LIBISCSI
2609             case QEMU_OPTION_iscsi:
2610                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2611                 if (!opts) {
2612                     exit(1);
2613                 }
2614                 break;
2615 #endif
2616 #ifdef CONFIG_SLIRP
2617             case QEMU_OPTION_tftp:
2618                 legacy_tftp_prefix = optarg;
2619                 break;
2620             case QEMU_OPTION_bootp:
2621                 legacy_bootp_filename = optarg;
2622                 break;
2623             case QEMU_OPTION_redir:
2624                 if (net_slirp_redir(optarg) < 0)
2625                     exit(1);
2626                 break;
2627 #endif
2628             case QEMU_OPTION_bt:
2629                 add_device_config(DEV_BT, optarg);
2630                 break;
2631             case QEMU_OPTION_audio_help:
2632                 if (!(audio_available())) {
2633                     printf("Option %s not supported for this target\n", popt->name);
2634                     exit(1);
2635                 }
2636                 AUD_help ();
2637                 exit (0);
2638                 break;
2639             case QEMU_OPTION_soundhw:
2640                 if (!(audio_available())) {
2641                     printf("Option %s not supported for this target\n", popt->name);
2642                     exit(1);
2643                 }
2644                 select_soundhw (optarg);
2645                 break;
2646             case QEMU_OPTION_h:
2647                 help(0);
2648                 break;
2649             case QEMU_OPTION_version:
2650                 version();
2651                 exit(0);
2652                 break;
2653             case QEMU_OPTION_m: {
2654                 int64_t value;
2655                 char *end;
2656
2657                 value = strtosz(optarg, &end);
2658                 if (value < 0 || *end) {
2659                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2660                     exit(1);
2661                 }
2662
2663                 if (value != (uint64_t)(ram_addr_t)value) {
2664                     fprintf(stderr, "qemu: ram size too large\n");
2665                     exit(1);
2666                 }
2667                 ram_size = value;
2668                 break;
2669             }
2670             case QEMU_OPTION_mempath:
2671                 mem_path = optarg;
2672                 break;
2673 #ifdef MAP_POPULATE
2674             case QEMU_OPTION_mem_prealloc:
2675                 mem_prealloc = 1;
2676                 break;
2677 #endif
2678             case QEMU_OPTION_d:
2679                 log_mask = optarg;
2680                 break;
2681             case QEMU_OPTION_D:
2682                 log_file = optarg;
2683                 break;
2684             case QEMU_OPTION_s:
2685                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2686                 break;
2687             case QEMU_OPTION_gdb:
2688                 add_device_config(DEV_GDB, optarg);
2689                 break;
2690             case QEMU_OPTION_L:
2691                 data_dir = optarg;
2692                 break;
2693             case QEMU_OPTION_bios:
2694                 bios_name = optarg;
2695                 break;
2696             case QEMU_OPTION_singlestep:
2697                 singlestep = 1;
2698                 break;
2699             case QEMU_OPTION_S:
2700                 autostart = 0;
2701                 break;
2702             case QEMU_OPTION_k:
2703                 keyboard_layout = optarg;
2704                 break;
2705             case QEMU_OPTION_localtime:
2706                 rtc_utc = 0;
2707                 break;
2708             case QEMU_OPTION_vga:
2709                 vga_model = optarg;
2710                 default_vga = 0;
2711                 break;
2712             case QEMU_OPTION_g:
2713                 {
2714                     const char *p;
2715                     int w, h, depth;
2716                     p = optarg;
2717                     w = strtol(p, (char **)&p, 10);
2718                     if (w <= 0) {
2719                     graphic_error:
2720                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2721                         exit(1);
2722                     }
2723                     if (*p != 'x')
2724                         goto graphic_error;
2725                     p++;
2726                     h = strtol(p, (char **)&p, 10);
2727                     if (h <= 0)
2728                         goto graphic_error;
2729                     if (*p == 'x') {
2730                         p++;
2731                         depth = strtol(p, (char **)&p, 10);
2732                         if (depth != 8 && depth != 15 && depth != 16 &&
2733                             depth != 24 && depth != 32)
2734                             goto graphic_error;
2735                     } else if (*p == '\0') {
2736                         depth = graphic_depth;
2737                     } else {
2738                         goto graphic_error;
2739                     }
2740
2741                     graphic_width = w;
2742                     graphic_height = h;
2743                     graphic_depth = depth;
2744                 }
2745                 break;
2746             case QEMU_OPTION_echr:
2747                 {
2748                     char *r;
2749                     term_escape_char = strtol(optarg, &r, 0);
2750                     if (r == optarg)
2751                         printf("Bad argument to echr\n");
2752                     break;
2753                 }
2754             case QEMU_OPTION_monitor:
2755                 monitor_parse(optarg, "readline");
2756                 default_monitor = 0;
2757                 break;
2758             case QEMU_OPTION_qmp:
2759                 monitor_parse(optarg, "control");
2760                 default_monitor = 0;
2761                 break;
2762             case QEMU_OPTION_mon:
2763                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2764                 if (!opts) {
2765                     exit(1);
2766                 }
2767                 default_monitor = 0;
2768                 break;
2769             case QEMU_OPTION_chardev:
2770                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2771                 if (!opts) {
2772                     exit(1);
2773                 }
2774                 break;
2775             case QEMU_OPTION_fsdev:
2776                 olist = qemu_find_opts("fsdev");
2777                 if (!olist) {
2778                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2779                     exit(1);
2780                 }
2781                 opts = qemu_opts_parse(olist, optarg, 1);
2782                 if (!opts) {
2783                     fprintf(stderr, "parse error: %s\n", optarg);
2784                     exit(1);
2785                 }
2786                 break;
2787             case QEMU_OPTION_virtfs: {
2788                 QemuOpts *fsdev;
2789                 QemuOpts *device;
2790                 const char *writeout, *sock_fd, *socket;
2791
2792                 olist = qemu_find_opts("virtfs");
2793                 if (!olist) {
2794                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2795                     exit(1);
2796                 }
2797                 opts = qemu_opts_parse(olist, optarg, 1);
2798                 if (!opts) {
2799                     fprintf(stderr, "parse error: %s\n", optarg);
2800                     exit(1);
2801                 }
2802
2803                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2804                     qemu_opt_get(opts, "mount_tag") == NULL) {
2805                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2806                     exit(1);
2807                 }
2808                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2809                                          qemu_opt_get(opts, "mount_tag"),
2810                                          1, NULL);
2811                 if (!fsdev) {
2812                     fprintf(stderr, "duplicate fsdev id: %s\n",
2813                             qemu_opt_get(opts, "mount_tag"));
2814                     exit(1);
2815                 }
2816
2817                 writeout = qemu_opt_get(opts, "writeout");
2818                 if (writeout) {
2819 #ifdef CONFIG_SYNC_FILE_RANGE
2820                     qemu_opt_set(fsdev, "writeout", writeout);
2821 #else
2822                     fprintf(stderr, "writeout=immediate not supported on "
2823                             "this platform\n");
2824                     exit(1);
2825 #endif
2826                 }
2827                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2828                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2829                 qemu_opt_set(fsdev, "security_model",
2830                              qemu_opt_get(opts, "security_model"));
2831                 socket = qemu_opt_get(opts, "socket");
2832                 if (socket) {
2833                     qemu_opt_set(fsdev, "socket", socket);
2834                 }
2835                 sock_fd = qemu_opt_get(opts, "sock_fd");
2836                 if (sock_fd) {
2837                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2838                 }
2839
2840                 qemu_opt_set_bool(fsdev, "readonly",
2841                                 qemu_opt_get_bool(opts, "readonly", 0));
2842                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2843                                           NULL);
2844                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2845                 qemu_opt_set(device, "fsdev",
2846                              qemu_opt_get(opts, "mount_tag"));
2847                 qemu_opt_set(device, "mount_tag",
2848                              qemu_opt_get(opts, "mount_tag"));
2849                 break;
2850             }
2851             case QEMU_OPTION_virtfs_synth: {
2852                 QemuOpts *fsdev;
2853                 QemuOpts *device;
2854
2855                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2856                                          1, NULL);
2857                 if (!fsdev) {
2858                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2859                     exit(1);
2860                 }
2861                 qemu_opt_set(fsdev, "fsdriver", "synth");
2862
2863                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2864                                           NULL);
2865                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2866                 qemu_opt_set(device, "fsdev", "v_synth");
2867                 qemu_opt_set(device, "mount_tag", "v_synth");
2868                 break;
2869             }
2870             case QEMU_OPTION_serial:
2871                 add_device_config(DEV_SERIAL, optarg);
2872                 default_serial = 0;
2873                 if (strncmp(optarg, "mon:", 4) == 0) {
2874                     default_monitor = 0;
2875                 }
2876                 break;
2877             case QEMU_OPTION_watchdog:
2878                 if (watchdog) {
2879                     fprintf(stderr,
2880                             "qemu: only one watchdog option may be given\n");
2881                     return 1;
2882                 }
2883                 watchdog = optarg;
2884                 break;
2885             case QEMU_OPTION_watchdog_action:
2886                 if (select_watchdog_action(optarg) == -1) {
2887                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2888                     exit(1);
2889                 }
2890                 break;
2891             case QEMU_OPTION_virtiocon:
2892                 add_device_config(DEV_VIRTCON, optarg);
2893                 default_virtcon = 0;
2894                 if (strncmp(optarg, "mon:", 4) == 0) {
2895                     default_monitor = 0;
2896                 }
2897                 break;
2898             case QEMU_OPTION_parallel:
2899                 add_device_config(DEV_PARALLEL, optarg);
2900                 default_parallel = 0;
2901                 if (strncmp(optarg, "mon:", 4) == 0) {
2902                     default_monitor = 0;
2903                 }
2904                 break;
2905             case QEMU_OPTION_debugcon:
2906                 add_device_config(DEV_DEBUGCON, optarg);
2907                 break;
2908             case QEMU_OPTION_loadvm:
2909                 loadvm = optarg;
2910                 break;
2911             case QEMU_OPTION_full_screen:
2912                 full_screen = 1;
2913                 break;
2914 #ifdef CONFIG_SDL
2915             case QEMU_OPTION_no_frame:
2916                 no_frame = 1;
2917                 break;
2918             case QEMU_OPTION_alt_grab:
2919                 alt_grab = 1;
2920                 break;
2921             case QEMU_OPTION_ctrl_grab:
2922                 ctrl_grab = 1;
2923                 break;
2924             case QEMU_OPTION_no_quit:
2925                 no_quit = 1;
2926                 break;
2927             case QEMU_OPTION_sdl:
2928                 display_type = DT_SDL;
2929                 break;
2930 #else
2931             case QEMU_OPTION_no_frame:
2932             case QEMU_OPTION_alt_grab:
2933             case QEMU_OPTION_ctrl_grab:
2934             case QEMU_OPTION_no_quit:
2935             case QEMU_OPTION_sdl:
2936                 fprintf(stderr, "SDL support is disabled\n");
2937                 exit(1);
2938 #endif
2939             case QEMU_OPTION_pidfile:
2940                 pid_file = optarg;
2941                 break;
2942             case QEMU_OPTION_win2k_hack:
2943                 win2k_install_hack = 1;
2944                 break;
2945             case QEMU_OPTION_rtc_td_hack: {
2946                 static GlobalProperty slew_lost_ticks[] = {
2947                     {
2948                         .driver   = "mc146818rtc",
2949                         .property = "lost_tick_policy",
2950                         .value    = "slew",
2951                     },
2952                     { /* end of list */ }
2953                 };
2954
2955                 qdev_prop_register_global_list(slew_lost_ticks);
2956                 break;
2957             }
2958             case QEMU_OPTION_acpitable:
2959                 do_acpitable_option(optarg);
2960                 break;
2961             case QEMU_OPTION_smbios:
2962                 do_smbios_option(optarg);
2963                 break;
2964             case QEMU_OPTION_enable_kvm:
2965                 olist = qemu_find_opts("machine");
2966                 qemu_opts_parse(olist, "accel=kvm", 0);
2967                 break;
2968             case QEMU_OPTION_machine:
2969                 olist = qemu_find_opts("machine");
2970                 opts = qemu_opts_parse(olist, optarg, 1);
2971                 if (!opts) {
2972                     fprintf(stderr, "parse error: %s\n", optarg);
2973                     exit(1);
2974                 }
2975                 optarg = qemu_opt_get(opts, "type");
2976                 if (optarg) {
2977                     machine = machine_parse(optarg);
2978                 }
2979                 break;
2980             case QEMU_OPTION_usb:
2981                 usb_enabled = 1;
2982                 break;
2983             case QEMU_OPTION_usbdevice:
2984                 usb_enabled = 1;
2985                 add_device_config(DEV_USB, optarg);
2986                 break;
2987             case QEMU_OPTION_device:
2988                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2989                     exit(1);
2990                 }
2991                 break;
2992             case QEMU_OPTION_smp:
2993                 smp_parse(optarg);
2994                 if (smp_cpus < 1) {
2995                     fprintf(stderr, "Invalid number of CPUs\n");
2996                     exit(1);
2997                 }
2998                 if (max_cpus < smp_cpus) {
2999                     fprintf(stderr, "maxcpus must be equal to or greater than "
3000                             "smp\n");
3001                     exit(1);
3002                 }
3003                 if (max_cpus > 255) {
3004                     fprintf(stderr, "Unsupported number of maxcpus\n");
3005                     exit(1);
3006                 }
3007                 break;
3008             case QEMU_OPTION_vnc:
3009 #ifdef CONFIG_VNC
3010                 display_remote++;
3011                 vnc_display = optarg;
3012 #else
3013                 fprintf(stderr, "VNC support is disabled\n");
3014                 exit(1);
3015 #endif
3016                 break;
3017             case QEMU_OPTION_no_acpi:
3018                 acpi_enabled = 0;
3019                 break;
3020             case QEMU_OPTION_no_hpet:
3021                 no_hpet = 1;
3022                 break;
3023             case QEMU_OPTION_balloon:
3024                 if (balloon_parse(optarg) < 0) {
3025                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3026                     exit(1);
3027                 }
3028                 break;
3029             case QEMU_OPTION_no_reboot:
3030                 no_reboot = 1;
3031                 break;
3032             case QEMU_OPTION_no_shutdown:
3033                 no_shutdown = 1;
3034                 break;
3035             case QEMU_OPTION_show_cursor:
3036                 cursor_hide = 0;
3037                 break;
3038             case QEMU_OPTION_uuid:
3039                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3040                     fprintf(stderr, "Fail to parse UUID string."
3041                             " Wrong format.\n");
3042                     exit(1);
3043                 }
3044                 break;
3045             case QEMU_OPTION_option_rom:
3046                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3047                     fprintf(stderr, "Too many option ROMs\n");
3048                     exit(1);
3049                 }
3050                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3051                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3052                 option_rom[nb_option_roms].bootindex =
3053                     qemu_opt_get_number(opts, "bootindex", -1);
3054                 if (!option_rom[nb_option_roms].name) {
3055                     fprintf(stderr, "Option ROM file is not specified\n");
3056                     exit(1);
3057                 }
3058                 nb_option_roms++;
3059                 break;
3060             case QEMU_OPTION_semihosting:
3061                 semihosting_enabled = 1;
3062                 break;
3063             case QEMU_OPTION_name:
3064                 qemu_name = g_strdup(optarg);
3065                  {
3066                      char *p = strchr(qemu_name, ',');
3067                      if (p != NULL) {
3068                         *p++ = 0;
3069                         if (strncmp(p, "process=", 8)) {
3070                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3071                             exit(1);
3072                         }
3073                         p += 8;
3074                         os_set_proc_name(p);
3075                      }
3076                  }
3077                 break;
3078             case QEMU_OPTION_prom_env:
3079                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3080                     fprintf(stderr, "Too many prom variables\n");
3081                     exit(1);
3082                 }
3083                 prom_envs[nb_prom_envs] = optarg;
3084                 nb_prom_envs++;
3085                 break;
3086             case QEMU_OPTION_old_param:
3087                 old_param = 1;
3088                 break;
3089             case QEMU_OPTION_clock:
3090                 configure_alarms(optarg);
3091                 break;
3092             case QEMU_OPTION_startdate:
3093                 configure_rtc_date_offset(optarg, 1);
3094                 break;
3095             case QEMU_OPTION_rtc:
3096                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3097                 if (!opts) {
3098                     exit(1);
3099                 }
3100                 configure_rtc(opts);
3101                 break;
3102             case QEMU_OPTION_tb_size:
3103                 tcg_tb_size = strtol(optarg, NULL, 0);
3104                 if (tcg_tb_size < 0) {
3105                     tcg_tb_size = 0;
3106                 }
3107                 break;
3108             case QEMU_OPTION_icount:
3109                 icount_option = optarg;
3110                 break;
3111             case QEMU_OPTION_incoming:
3112                 incoming = optarg;
3113                 runstate_set(RUN_STATE_INMIGRATE);
3114                 break;
3115             case QEMU_OPTION_nodefaults:
3116                 default_serial = 0;
3117                 default_parallel = 0;
3118                 default_virtcon = 0;
3119                 default_monitor = 0;
3120                 default_net = 0;
3121                 default_floppy = 0;
3122                 default_cdrom = 0;
3123                 default_sdcard = 0;
3124                 default_vga = 0;
3125                 break;
3126             case QEMU_OPTION_xen_domid:
3127                 if (!(xen_available())) {
3128                     printf("Option %s not supported for this target\n", popt->name);
3129                     exit(1);
3130                 }
3131                 xen_domid = atoi(optarg);
3132                 break;
3133             case QEMU_OPTION_xen_create:
3134                 if (!(xen_available())) {
3135                     printf("Option %s not supported for this target\n", popt->name);
3136                     exit(1);
3137                 }
3138                 xen_mode = XEN_CREATE;
3139                 break;
3140             case QEMU_OPTION_xen_attach:
3141                 if (!(xen_available())) {
3142                     printf("Option %s not supported for this target\n", popt->name);
3143                     exit(1);
3144                 }
3145                 xen_mode = XEN_ATTACH;
3146                 break;
3147             case QEMU_OPTION_trace:
3148             {
3149                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3150                 if (!opts) {
3151                     exit(1);
3152                 }
3153                 trace_events = qemu_opt_get(opts, "events");
3154                 trace_file = qemu_opt_get(opts, "file");
3155                 break;
3156             }
3157             case QEMU_OPTION_readconfig:
3158                 {
3159                     int ret = qemu_read_config_file(optarg);
3160                     if (ret < 0) {
3161                         fprintf(stderr, "read config %s: %s\n", optarg,
3162                             strerror(-ret));
3163                         exit(1);
3164                     }
3165                     break;
3166                 }
3167             case QEMU_OPTION_spice:
3168                 olist = qemu_find_opts("spice");
3169                 if (!olist) {
3170                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3171                     exit(1);
3172                 }
3173                 opts = qemu_opts_parse(olist, optarg, 0);
3174                 if (!opts) {
3175                     fprintf(stderr, "parse error: %s\n", optarg);
3176                     exit(1);
3177                 }
3178                 break;
3179             case QEMU_OPTION_writeconfig:
3180                 {
3181                     FILE *fp;
3182                     if (strcmp(optarg, "-") == 0) {
3183                         fp = stdout;
3184                     } else {
3185                         fp = fopen(optarg, "w");
3186                         if (fp == NULL) {
3187                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3188                             exit(1);
3189                         }
3190                     }
3191                     qemu_config_write(fp);
3192                     fclose(fp);
3193                     break;
3194                 }
3195             case QEMU_OPTION_qtest:
3196                 qtest_chrdev = optarg;
3197                 break;
3198             case QEMU_OPTION_qtest_log:
3199                 qtest_log = optarg;
3200                 break;
3201             default:
3202                 os_parse_cmd_args(popt->index, optarg);
3203             }
3204         }
3205     }
3206     loc_set_none();
3207
3208     if (machine->hw_version) {
3209         qemu_set_version(machine->hw_version);
3210     }
3211
3212     /* Init CPU def lists, based on config
3213      * - Must be called after all the qemu_read_config_file() calls
3214      * - Must be called before list_cpus()
3215      * - Must be called before machine->init()
3216      */
3217     cpudef_init();
3218
3219     if (cpu_model && *cpu_model == '?') {
3220         list_cpus(stdout, &fprintf, cpu_model);
3221         exit(0);
3222     }
3223
3224     /* Open the logfile at this point, if necessary. We can't open the logfile
3225      * when encountering either of the logging options (-d or -D) because the
3226      * other one may be encountered later on the command line, changing the
3227      * location or level of logging.
3228      */
3229     if (log_mask) {
3230         if (log_file) {
3231             set_cpu_log_filename(log_file);
3232         }
3233         set_cpu_log(log_mask);
3234     }
3235
3236     if (!trace_backend_init(trace_events, trace_file)) {
3237         exit(1);
3238     }
3239
3240     /* If no data_dir is specified then try to find it relative to the
3241        executable path.  */
3242     if (!data_dir) {
3243         data_dir = os_find_datadir(argv[0]);
3244     }
3245     /* If all else fails use the install path specified when building. */
3246     if (!data_dir) {
3247         data_dir = CONFIG_QEMU_DATADIR;
3248     }
3249
3250     if (machine == NULL) {
3251         fprintf(stderr, "No machine found.\n");
3252         exit(1);
3253     }
3254
3255     /*
3256      * Default to max_cpus = smp_cpus, in case the user doesn't
3257      * specify a max_cpus value.
3258      */
3259     if (!max_cpus)
3260         max_cpus = smp_cpus;
3261
3262     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3263     if (smp_cpus > machine->max_cpus) {
3264         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3265                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3266                 machine->max_cpus);
3267         exit(1);
3268     }
3269
3270     /*
3271      * Get the default machine options from the machine if it is not already
3272      * specified either by the configuration file or by the command line.
3273      */
3274     if (machine->default_machine_opts) {
3275         qemu_opts_set_defaults(qemu_find_opts("machine"),
3276                                machine->default_machine_opts, 0);
3277     }
3278
3279     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3280     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3281
3282     if (machine->no_serial) {
3283         default_serial = 0;
3284     }
3285     if (machine->no_parallel) {
3286         default_parallel = 0;
3287     }
3288     if (!machine->use_virtcon) {
3289         default_virtcon = 0;
3290     }
3291     if (machine->no_floppy) {
3292         default_floppy = 0;
3293     }
3294     if (machine->no_cdrom) {
3295         default_cdrom = 0;
3296     }
3297     if (machine->no_sdcard) {
3298         default_sdcard = 0;
3299     }
3300
3301     if (display_type == DT_NOGRAPHIC) {
3302         if (default_parallel)
3303             add_device_config(DEV_PARALLEL, "null");
3304         if (default_serial && default_monitor) {
3305             add_device_config(DEV_SERIAL, "mon:stdio");
3306         } else if (default_virtcon && default_monitor) {
3307             add_device_config(DEV_VIRTCON, "mon:stdio");
3308         } else {
3309             if (default_serial)
3310                 add_device_config(DEV_SERIAL, "stdio");
3311             if (default_virtcon)
3312                 add_device_config(DEV_VIRTCON, "stdio");
3313             if (default_monitor)
3314                 monitor_parse("stdio", "readline");
3315         }
3316     } else {
3317         if (default_serial)
3318             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3319         if (default_parallel)
3320             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3321         if (default_monitor)
3322             monitor_parse("vc:80Cx24C", "readline");
3323         if (default_virtcon)
3324             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3325     }
3326
3327     socket_init();
3328
3329     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3330         exit(1);
3331 #ifdef CONFIG_VIRTFS
3332     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3333         exit(1);
3334     }
3335 #endif
3336
3337     os_daemonize();
3338
3339     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3340         os_pidfile_error();
3341         exit(1);
3342     }
3343
3344     /* init the memory */
3345     if (ram_size == 0) {
3346         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3347     }
3348
3349     configure_accelerator();
3350
3351     qemu_init_cpu_loop();
3352     if (qemu_init_main_loop()) {
3353         fprintf(stderr, "qemu_init_main_loop failed\n");
3354         exit(1);
3355     }
3356
3357     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3358     if (machine_opts) {
3359         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3360         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3361         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3362     } else {
3363         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3364     }
3365
3366     if (!kernel_cmdline) {
3367         kernel_cmdline = "";
3368     }
3369
3370     linux_boot = (kernel_filename != NULL);
3371
3372     if (!linux_boot && *kernel_cmdline != '\0') {
3373         fprintf(stderr, "-append only allowed with -kernel option\n");
3374         exit(1);
3375     }
3376
3377     if (!linux_boot && initrd_filename != NULL) {
3378         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3379         exit(1);
3380     }
3381
3382     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3383         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3384         exit(1);
3385     }
3386
3387     os_set_line_buffering();
3388
3389     if (init_timer_alarm() < 0) {
3390         fprintf(stderr, "could not initialize alarm timer\n");
3391         exit(1);
3392     }
3393
3394 #ifdef CONFIG_SPICE
3395     /* spice needs the timers to be initialized by this point */
3396     qemu_spice_init();
3397 #endif
3398
3399     if (icount_option && (kvm_enabled() || xen_enabled())) {
3400         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3401         exit(1);
3402     }
3403     configure_icount(icount_option);
3404
3405     if (net_init_clients() < 0) {
3406         exit(1);
3407     }
3408
3409     /* init the bluetooth world */
3410     if (foreach_device_config(DEV_BT, bt_parse))
3411         exit(1);
3412
3413     if (!xen_enabled()) {
3414         /* On 32-bit hosts, QEMU is limited by virtual address space */
3415         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3416             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3417             exit(1);
3418         }
3419     }
3420
3421     cpu_exec_init_all();
3422
3423     bdrv_init_with_whitelist();
3424
3425     blk_mig_init();
3426
3427     /* open the virtual block devices */
3428     if (snapshot)
3429         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3430     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3431         exit(1);
3432
3433     default_drive(default_cdrom, snapshot, machine->use_scsi,
3434                   IF_DEFAULT, 2, CDROM_OPTS);
3435     default_drive(default_floppy, snapshot, machine->use_scsi,
3436                   IF_FLOPPY, 0, FD_OPTS);
3437     default_drive(default_sdcard, snapshot, machine->use_scsi,
3438                   IF_SD, 0, SD_OPTS);
3439
3440     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3441                          ram_load, NULL);
3442
3443     if (nb_numa_nodes > 0) {
3444         int i;
3445
3446         if (nb_numa_nodes > MAX_NODES) {
3447             nb_numa_nodes = MAX_NODES;
3448         }
3449
3450         /* If no memory size if given for any node, assume the default case
3451          * and distribute the available memory equally across all nodes
3452          */
3453         for (i = 0; i < nb_numa_nodes; i++) {
3454             if (node_mem[i] != 0)
3455                 break;
3456         }
3457         if (i == nb_numa_nodes) {
3458             uint64_t usedmem = 0;
3459
3460             /* On Linux, the each node's border has to be 8MB aligned,
3461              * the final node gets the rest.
3462              */
3463             for (i = 0; i < nb_numa_nodes - 1; i++) {
3464                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3465                 usedmem += node_mem[i];
3466             }
3467             node_mem[i] = ram_size - usedmem;
3468         }
3469
3470         for (i = 0; i < nb_numa_nodes; i++) {
3471             if (node_cpumask[i] != 0)
3472                 break;
3473         }
3474         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3475          * must cope with this anyway, because there are BIOSes out there in
3476          * real machines which also use this scheme.
3477          */
3478         if (i == nb_numa_nodes) {
3479             for (i = 0; i < max_cpus; i++) {
3480                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3481             }
3482         }
3483     }
3484
3485     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3486         exit(1);
3487     }
3488
3489     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3490         exit(1);
3491     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3492         exit(1);
3493     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3494         exit(1);
3495     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3496         exit(1);
3497
3498     /* If no default VGA is requested, the default is "none".  */
3499     if (default_vga && cirrus_vga_available()) {
3500         vga_model = "cirrus";
3501     }
3502     select_vgahw(vga_model);
3503
3504     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3505         exit(0);
3506
3507     if (watchdog) {
3508         i = select_watchdog(watchdog);
3509         if (i > 0)
3510             exit (i == 1 ? 1 : 0);
3511     }
3512
3513     if (machine->compat_props) {
3514         qdev_prop_register_global_list(machine->compat_props);
3515     }
3516     qemu_add_globals();
3517
3518     qdev_machine_init();
3519
3520     machine->init(ram_size, boot_devices,
3521                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3522
3523     cpu_synchronize_all_post_init();
3524
3525     set_numa_modes();
3526
3527     current_machine = machine;
3528
3529     /* init USB devices */
3530     if (usb_enabled) {
3531         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3532             exit(1);
3533     }
3534
3535     /* init generic devices */
3536     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3537         exit(1);
3538
3539     net_check_clients();
3540
3541     /* just use the first displaystate for the moment */
3542     ds = get_displaystate();
3543
3544     if (using_spice)
3545         display_remote++;
3546     if (display_type == DT_DEFAULT && !display_remote) {
3547 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3548         display_type = DT_SDL;
3549 #elif defined(CONFIG_VNC)
3550         vnc_display = "localhost:0,to=99";
3551         show_vnc_port = 1;
3552 #else
3553         display_type = DT_NONE;
3554 #endif
3555     }
3556
3557
3558     /* init local displays */
3559     switch (display_type) {
3560     case DT_NOGRAPHIC:
3561         break;
3562 #if defined(CONFIG_CURSES)
3563     case DT_CURSES:
3564         curses_display_init(ds, full_screen);
3565         break;
3566 #endif
3567 #if defined(CONFIG_SDL)
3568     case DT_SDL:
3569         sdl_display_init(ds, full_screen, no_frame);
3570         break;
3571 #elif defined(CONFIG_COCOA)
3572     case DT_SDL:
3573         cocoa_display_init(ds, full_screen);
3574         break;
3575 #endif
3576     default:
3577         break;
3578     }
3579
3580     /* must be after terminal init, SDL library changes signal handlers */
3581     os_setup_signal_handling();
3582
3583 #ifdef CONFIG_VNC
3584     /* init remote displays */
3585     if (vnc_display) {
3586         vnc_display_init(ds);
3587         if (vnc_display_open(ds, vnc_display) < 0) {
3588             fprintf(stderr, "Failed to start VNC server on `%s'\n",
3589                     vnc_display);
3590             exit(1);
3591         }
3592
3593         if (show_vnc_port) {
3594             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3595         }
3596     }
3597 #endif
3598 #ifdef CONFIG_SPICE
3599     if (using_spice && !qxl_enabled) {
3600         qemu_spice_display_init(ds);
3601     }
3602 #endif
3603
3604     /* display setup */
3605     dpy_resize(ds);
3606     dcl = ds->listeners;
3607     while (dcl != NULL) {
3608         if (dcl->dpy_refresh != NULL) {
3609             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3610             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3611             break;
3612         }
3613         dcl = dcl->next;
3614     }
3615     text_consoles_set_display(ds);
3616
3617     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3618         exit(1);
3619     }
3620
3621     qdev_machine_creation_done();
3622
3623     if (rom_load_all() != 0) {
3624         fprintf(stderr, "rom loading failed\n");
3625         exit(1);
3626     }
3627
3628     /* TODO: once all bus devices are qdevified, this should be done
3629      * when bus is created by qdev.c */
3630     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3631     qemu_run_machine_init_done_notifiers();
3632
3633     qemu_system_reset(VMRESET_SILENT);
3634     if (loadvm) {
3635         if (load_vmstate(loadvm) < 0) {
3636             autostart = 0;
3637         }
3638     }
3639
3640     if (incoming) {
3641         Error *errp = NULL;
3642         int ret = qemu_start_incoming_migration(incoming, &errp);
3643         if (ret < 0) {
3644             if (error_is_set(&errp)) {
3645                 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3646                 error_free(errp);
3647             }
3648             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3649                     incoming, ret);
3650             exit(ret);
3651         }
3652     } else if (autostart) {
3653         vm_start();
3654     }
3655
3656     os_setup_post();
3657
3658     resume_all_vcpus();
3659     main_loop();
3660     bdrv_close_all();
3661     pause_all_vcpus();
3662     net_cleanup();
3663     res_free();
3664
3665     return 0;
3666 }