vl.c

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