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