vl.c

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