vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31 #include "bitmap.h"
  32
  33 /* Needed early for CONFIG_BSD etc. */
  34 #include "config-host.h"
  35
  36 #ifndef _WIN32
  37 #include <libgen.h>
  38 #include <sys/times.h>
  39 #include <sys/wait.h>
  40 #include <termios.h>
  41 #include <sys/mman.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/resource.h>
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <net/if.h>
  47 #include <arpa/inet.h>
  48 #include <dirent.h>
  49 #include <netdb.h>
  50 #include <sys/select.h>
  51
  52 #ifdef CONFIG_BSD
  53 #include <sys/stat.h>
  54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <malloc.h>
  62
  63 #include <linux/ppdev.h>
  64 #include <linux/parport.h>
  65 #endif
  66 #ifdef __sun__
  67 #include <sys/stat.h>
  68 #include <sys/ethernet.h>
  69 #include <sys/sockio.h>
  70 #include <netinet/arp.h>
  71 #include <netinet/in_systm.h>
  72 #include <netinet/ip.h>
  73 #include <netinet/ip_icmp.h> // must come after ip.h
  74 #include <netinet/udp.h>
  75 #include <netinet/tcp.h>
  76 #include <net/if.h>
  77 #include <syslog.h>
  78 #include <stropts.h>
  79 #endif
  80 #endif
  81 #endif
  82
  83 #if defined(CONFIG_VDE)
  84 #include <libvdeplug.h>
  85 #endif
  86
  87 #ifdef _WIN32
  88 #include <windows.h>
  89 #endif
  90
  91 #ifdef CONFIG_SDL
  92 #if defined(__APPLE__) || defined(main)
  93 #include <SDL.h>
  94 int qemu_main(int argc, char **argv, char **envp);
  95 int main(int argc, char **argv)
  96 {
  97     return qemu_main(argc, argv, NULL);
  98 }
  99 #undef main
 100 #define main qemu_main
 101 #endif
 102 #endif /* CONFIG_SDL */
 103
 104 #ifdef CONFIG_COCOA
 105 #undef main
 106 #define main qemu_main
 107 #endif /* CONFIG_COCOA */
 108
 109 #include <glib.h>
 110
 111 #include "hw/hw.h"
 112 #include "hw/boards.h"
 113 #include "hw/usb.h"
 114 #include "hw/pcmcia.h"
 115 #include "hw/pc.h"
 116 #include "hw/isa.h"
 117 #include "hw/baum.h"
 118 #include "hw/bt.h"
 119 #include "hw/watchdog.h"
 120 #include "hw/smbios.h"
 121 #include "hw/xen.h"
 122 #include "hw/qdev.h"
 123 #include "hw/loader.h"
 124 #include "bt-host.h"
 125 #include "net.h"
 126 #include "net/slirp.h"
 127 #include "monitor.h"
 128 #include "console.h"
 129 #include "sysemu.h"
 130 #include "gdbstub.h"
 131 #include "qemu-timer.h"
 132 #include "qemu-char.h"
 133 #include "cache-utils.h"
 134 #include "blockdev.h"
 135 #include "hw/block-common.h"
 136 #include "block-migration.h"
 137 #include "dma.h"
 138 #include "audio/audio.h"
 139 #include "migration.h"
 140 #include "kvm.h"
 141 #include "qjson.h"
 142 #include "qemu-option.h"
 143 #include "qemu-config.h"
 144 #include "qemu-options.h"
 145 #include "qmp-commands.h"
 146 #include "main-loop.h"
 147 #ifdef CONFIG_VIRTFS
 148 #include "fsdev/qemu-fsdev.h"
 149 #endif
 150 #include "qtest.h"
 151
 152 #include "disas.h"
 153
 154 #include "qemu_socket.h"
 155
 156 #include "slirp/libslirp.h"
 157
 158 #include "trace.h"
 159 #include "trace/control.h"
 160 #include "qemu-queue.h"
 161 #include "cpus.h"
 162 #include "arch_init.h"
 163 #include "osdep.h"
 164
 165 #include "ui/qemu-spice.h"
 166
 167 //#define DEBUG_NET
 168 //#define DEBUG_SLIRP
 169
 170 #define DEFAULT_RAM_SIZE 128
 171
 172 #define MAX_VIRTIO_CONSOLES 1
 173
 174 static const char *data_dir;
 175 const char *bios_name = NULL;
 176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 177 DisplayType display_type = DT_DEFAULT;
 178 int display_remote = 0;
 179 const char* keyboard_layout = NULL;
 180 ram_addr_t ram_size;
 181 const char *mem_path = NULL;
 182 #ifdef MAP_POPULATE
 183 int mem_prealloc = 0; /* force preallocation of physical target memory */
 184 #endif
 185 int nb_nics;
 186 NICInfo nd_table[MAX_NICS];
 187 int autostart;
 188 static int rtc_utc = 1;
 189 static int rtc_date_offset = -1; /* -1 means no change */
 190 QEMUClock *rtc_clock;
 191 int vga_interface_type = VGA_NONE;
 192 static int full_screen = 0;
 193 #ifdef CONFIG_SDL
 194 static int no_frame = 0;
 195 #endif
 196 int no_quit = 0;
 197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 200 int win2k_install_hack = 0;
 201 int usb_enabled = 0;
 202 int singlestep = 0;
 203 int smp_cpus = 1;
 204 int max_cpus = 0;
 205 int smp_cores = 1;
 206 int smp_threads = 1;
 207 #ifdef CONFIG_VNC
 208 const char *vnc_display;
 209 #endif
 210 int acpi_enabled = 1;
 211 int no_hpet = 0;
 212 int fd_bootchk = 1;
 213 int no_reboot = 0;
 214 int no_shutdown = 0;
 215 int cursor_hide = 1;
 216 int graphic_rotate = 0;
 217 const char *watchdog;
 218 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 219 int nb_option_roms;
 220 int semihosting_enabled = 0;
 221 int old_param = 0;
 222 const char *qemu_name;
 223 int alt_grab = 0;
 224 int ctrl_grab = 0;
 225 unsigned int nb_prom_envs = 0;
 226 const char *prom_envs[MAX_PROM_ENVS];
 227 int boot_menu;
 228 uint8_t *boot_splash_filedata;
 229 int boot_splash_filedata_size;
 230 uint8_t qemu_extra_params_fw[2];
 231
 232 typedef struct FWBootEntry FWBootEntry;
 233
 234 struct FWBootEntry {
 235     QTAILQ_ENTRY(FWBootEntry) link;
 236     int32_t bootindex;
 237     DeviceState *dev;
 238     char *suffix;
 239 };
 240
 241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 242
 243 int nb_numa_nodes;
 244 uint64_t node_mem[MAX_NODES];
 245 unsigned long *node_cpumask[MAX_NODES];
 246
 247 uint8_t qemu_uuid[16];
 248
 249 static QEMUBootSetHandler *boot_set_handler;
 250 static void *boot_set_opaque;
 251
 252 static NotifierList exit_notifiers =
 253     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 254
 255 static NotifierList machine_init_done_notifiers =
 256     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 257
 258 static int tcg_allowed = 1;
 259 int kvm_allowed = 0;
 260 int xen_allowed = 0;
 261 uint32_t xen_domid;
 262 enum xen_mode xen_mode = XEN_EMULATE;
 263 static int tcg_tb_size;
 264
 265 static int default_serial = 1;
 266 static int default_parallel = 1;
 267 static int default_virtcon = 1;
 268 static int default_monitor = 1;
 269 static int default_floppy = 1;
 270 static int default_cdrom = 1;
 271 static int default_sdcard = 1;
 272 static int default_vga = 1;
 273
 274 static struct {
 275     const char *driver;
 276     int *flag;
 277 } default_list[] = {
 278     { .driver = "isa-serial",           .flag = &default_serial    },
 279     { .driver = "isa-parallel",         .flag = &default_parallel  },
 280     { .driver = "isa-fdc",              .flag = &default_floppy    },
 281     { .driver = "ide-cd",               .flag = &default_cdrom     },
 282     { .driver = "ide-hd",               .flag = &default_cdrom     },
 283     { .driver = "ide-drive",            .flag = &default_cdrom     },
 284     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 285     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 286     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 287     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 288     { .driver = "VGA",                  .flag = &default_vga       },
 289     { .driver = "isa-vga",              .flag = &default_vga       },
 290     { .driver = "cirrus-vga",           .flag = &default_vga       },
 291     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 292     { .driver = "vmware-svga",          .flag = &default_vga       },
 293     { .driver = "qxl-vga",              .flag = &default_vga       },
 294 };
 295
 296 const char *qemu_get_vm_name(void)
 297 {
 298     return qemu_name;
 299 }
 300
 301 static void res_free(void)
 302 {
 303     if (boot_splash_filedata != NULL) {
 304         g_free(boot_splash_filedata);
 305         boot_splash_filedata = NULL;
 306     }
 307 }
 308
 309 static int default_driver_check(QemuOpts *opts, void *opaque)
 310 {
 311     const char *driver = qemu_opt_get(opts, "driver");
 312     int i;
 313
 314     if (!driver)
 315         return 0;
 316     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 317         if (strcmp(default_list[i].driver, driver) != 0)
 318             continue;
 319         *(default_list[i].flag) = 0;
 320     }
 321     return 0;
 322 }
 323
 324 /***********************************************************/
 325 /* QEMU state */
 326
 327 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 328
 329 typedef struct {
 330     RunState from;
 331     RunState to;
 332 } RunStateTransition;
 333
 334 static const RunStateTransition runstate_transitions_def[] = {
 335     /*     from      ->     to      */
 336     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 337
 338     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 339     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 340
 341     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 342     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 343
 344     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 345     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 346
 347     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 348     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 349
 350     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 351     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 352
 353     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 354     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 355     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 356
 357     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 358     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 359
 360     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 361
 362     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 363     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 364     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 365     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 366     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 367     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 368     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 369     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 370     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 371
 372     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 373
 374     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 375     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 376
 377     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 378     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 379     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 380     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 381
 382     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 383     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 384
 385     { RUN_STATE_MAX, RUN_STATE_MAX },
 386 };
 387
 388 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 389
 390 bool runstate_check(RunState state)
 391 {
 392     return current_run_state == state;
 393 }
 394
 395 void runstate_init(void)
 396 {
 397     const RunStateTransition *p;
 398
 399     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 400
 401     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 402         runstate_valid_transitions[p->from][p->to] = true;
 403     }
 404 }
 405
 406 /* This function will abort() on invalid state transitions */
 407 void runstate_set(RunState new_state)
 408 {
 409     assert(new_state < RUN_STATE_MAX);
 410
 411     if (!runstate_valid_transitions[current_run_state][new_state]) {
 412         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 413                 RunState_lookup[current_run_state],
 414                 RunState_lookup[new_state]);
 415         abort();
 416     }
 417
 418     current_run_state = new_state;
 419 }
 420
 421 int runstate_is_running(void)
 422 {
 423     return runstate_check(RUN_STATE_RUNNING);
 424 }
 425
 426 StatusInfo *qmp_query_status(Error **errp)
 427 {
 428     StatusInfo *info = g_malloc0(sizeof(*info));
 429
 430     info->running = runstate_is_running();
 431     info->singlestep = singlestep;
 432     info->status = current_run_state;
 433
 434     return info;
 435 }
 436
 437 /***********************************************************/
 438 /* real time host monotonic timer */
 439
 440 /***********************************************************/
 441 /* host time/date access */
 442 void qemu_get_timedate(struct tm *tm, int offset)
 443 {
 444     time_t ti;
 445     struct tm *ret;
 446
 447     time(&ti);
 448     ti += offset;
 449     if (rtc_date_offset == -1) {
 450         if (rtc_utc)
 451             ret = gmtime(&ti);
 452         else
 453             ret = localtime(&ti);
 454     } else {
 455         ti -= rtc_date_offset;
 456         ret = gmtime(&ti);
 457     }
 458
 459     memcpy(tm, ret, sizeof(struct tm));
 460 }
 461
 462 int qemu_timedate_diff(struct tm *tm)
 463 {
 464     time_t seconds;
 465
 466     if (rtc_date_offset == -1)
 467         if (rtc_utc)
 468             seconds = mktimegm(tm);
 469         else {
 470             struct tm tmp = *tm;
 471             tmp.tm_isdst = -1; /* use timezone to figure it out */
 472             seconds = mktime(&tmp);
 473         }
 474     else
 475         seconds = mktimegm(tm) + rtc_date_offset;
 476
 477     return seconds - time(NULL);
 478 }
 479
 480 void rtc_change_mon_event(struct tm *tm)
 481 {
 482     QObject *data;
 483
 484     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 485     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 486     qobject_decref(data);
 487 }
 488
 489 static void configure_rtc_date_offset(const char *startdate, int legacy)
 490 {
 491     time_t rtc_start_date;
 492     struct tm tm;
 493
 494     if (!strcmp(startdate, "now") && legacy) {
 495         rtc_date_offset = -1;
 496     } else {
 497         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 498                    &tm.tm_year,
 499                    &tm.tm_mon,
 500                    &tm.tm_mday,
 501                    &tm.tm_hour,
 502                    &tm.tm_min,
 503                    &tm.tm_sec) == 6) {
 504             /* OK */
 505         } else if (sscanf(startdate, "%d-%d-%d",
 506                           &tm.tm_year,
 507                           &tm.tm_mon,
 508                           &tm.tm_mday) == 3) {
 509             tm.tm_hour = 0;
 510             tm.tm_min = 0;
 511             tm.tm_sec = 0;
 512         } else {
 513             goto date_fail;
 514         }
 515         tm.tm_year -= 1900;
 516         tm.tm_mon--;
 517         rtc_start_date = mktimegm(&tm);
 518         if (rtc_start_date == -1) {
 519         date_fail:
 520             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 521                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 522             exit(1);
 523         }
 524         rtc_date_offset = time(NULL) - rtc_start_date;
 525     }
 526 }
 527
 528 static void configure_rtc(QemuOpts *opts)
 529 {
 530     const char *value;
 531
 532     value = qemu_opt_get(opts, "base");
 533     if (value) {
 534         if (!strcmp(value, "utc")) {
 535             rtc_utc = 1;
 536         } else if (!strcmp(value, "localtime")) {
 537             rtc_utc = 0;
 538         } else {
 539             configure_rtc_date_offset(value, 0);
 540         }
 541     }
 542     value = qemu_opt_get(opts, "clock");
 543     if (value) {
 544         if (!strcmp(value, "host")) {
 545             rtc_clock = host_clock;
 546         } else if (!strcmp(value, "rt")) {
 547             rtc_clock = rt_clock;
 548         } else if (!strcmp(value, "vm")) {
 549             rtc_clock = vm_clock;
 550         } else {
 551             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 552             exit(1);
 553         }
 554     }
 555     value = qemu_opt_get(opts, "driftfix");
 556     if (value) {
 557         if (!strcmp(value, "slew")) {
 558             static GlobalProperty slew_lost_ticks[] = {
 559                 {
 560                     .driver   = "mc146818rtc",
 561                     .property = "lost_tick_policy",
 562                     .value    = "slew",
 563                 },
 564                 { /* end of list */ }
 565             };
 566
 567             qdev_prop_register_global_list(slew_lost_ticks);
 568         } else if (!strcmp(value, "none")) {
 569             /* discard is default */
 570         } else {
 571             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 572             exit(1);
 573         }
 574     }
 575 }
 576
 577 /***********************************************************/
 578 /* Bluetooth support */
 579 static int nb_hcis;
 580 static int cur_hci;
 581 static struct HCIInfo *hci_table[MAX_NICS];
 582
 583 static struct bt_vlan_s {
 584     struct bt_scatternet_s net;
 585     int id;
 586     struct bt_vlan_s *next;
 587 } *first_bt_vlan;
 588
 589 /* find or alloc a new bluetooth "VLAN" */
 590 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 591 {
 592     struct bt_vlan_s **pvlan, *vlan;
 593     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 594         if (vlan->id == id)
 595             return &vlan->net;
 596     }
 597     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 598     vlan->id = id;
 599     pvlan = &first_bt_vlan;
 600     while (*pvlan != NULL)
 601         pvlan = &(*pvlan)->next;
 602     *pvlan = vlan;
 603     return &vlan->net;
 604 }
 605
 606 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 607 {
 608 }
 609
 610 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 611 {
 612     return -ENOTSUP;
 613 }
 614
 615 static struct HCIInfo null_hci = {
 616     .cmd_send = null_hci_send,
 617     .sco_send = null_hci_send,
 618     .acl_send = null_hci_send,
 619     .bdaddr_set = null_hci_addr_set,
 620 };
 621
 622 struct HCIInfo *qemu_next_hci(void)
 623 {
 624     if (cur_hci == nb_hcis)
 625         return &null_hci;
 626
 627     return hci_table[cur_hci++];
 628 }
 629
 630 static struct HCIInfo *hci_init(const char *str)
 631 {
 632     char *endp;
 633     struct bt_scatternet_s *vlan = 0;
 634
 635     if (!strcmp(str, "null"))
 636         /* null */
 637         return &null_hci;
 638     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 639         /* host[:hciN] */
 640         return bt_host_hci(str[4] ? str + 5 : "hci0");
 641     else if (!strncmp(str, "hci", 3)) {
 642         /* hci[,vlan=n] */
 643         if (str[3]) {
 644             if (!strncmp(str + 3, ",vlan=", 6)) {
 645                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 646                 if (*endp)
 647                     vlan = 0;
 648             }
 649         } else
 650             vlan = qemu_find_bt_vlan(0);
 651         if (vlan)
 652            return bt_new_hci(vlan);
 653     }
 654
 655     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 656
 657     return 0;
 658 }
 659
 660 static int bt_hci_parse(const char *str)
 661 {
 662     struct HCIInfo *hci;
 663     bdaddr_t bdaddr;
 664
 665     if (nb_hcis >= MAX_NICS) {
 666         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 667         return -1;
 668     }
 669
 670     hci = hci_init(str);
 671     if (!hci)
 672         return -1;
 673
 674     bdaddr.b[0] = 0x52;
 675     bdaddr.b[1] = 0x54;
 676     bdaddr.b[2] = 0x00;
 677     bdaddr.b[3] = 0x12;
 678     bdaddr.b[4] = 0x34;
 679     bdaddr.b[5] = 0x56 + nb_hcis;
 680     hci->bdaddr_set(hci, bdaddr.b);
 681
 682     hci_table[nb_hcis++] = hci;
 683
 684     return 0;
 685 }
 686
 687 static void bt_vhci_add(int vlan_id)
 688 {
 689     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 690
 691     if (!vlan->slave)
 692         fprintf(stderr, "qemu: warning: adding a VHCI to "
 693                         "an empty scatternet %i\n", vlan_id);
 694
 695     bt_vhci_init(bt_new_hci(vlan));
 696 }
 697
 698 static struct bt_device_s *bt_device_add(const char *opt)
 699 {
 700     struct bt_scatternet_s *vlan;
 701     int vlan_id = 0;
 702     char *endp = strstr(opt, ",vlan=");
 703     int len = (endp ? endp - opt : strlen(opt)) + 1;
 704     char devname[10];
 705
 706     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 707
 708     if (endp) {
 709         vlan_id = strtol(endp + 6, &endp, 0);
 710         if (*endp) {
 711             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 712             return 0;
 713         }
 714     }
 715
 716     vlan = qemu_find_bt_vlan(vlan_id);
 717
 718     if (!vlan->slave)
 719         fprintf(stderr, "qemu: warning: adding a slave device to "
 720                         "an empty scatternet %i\n", vlan_id);
 721
 722     if (!strcmp(devname, "keyboard"))
 723         return bt_keyboard_init(vlan);
 724
 725     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 726     return 0;
 727 }
 728
 729 static int bt_parse(const char *opt)
 730 {
 731     const char *endp, *p;
 732     int vlan;
 733
 734     if (strstart(opt, "hci", &endp)) {
 735         if (!*endp || *endp == ',') {
 736             if (*endp)
 737                 if (!strstart(endp, ",vlan=", 0))
 738                     opt = endp + 1;
 739
 740             return bt_hci_parse(opt);
 741        }
 742     } else if (strstart(opt, "vhci", &endp)) {
 743         if (!*endp || *endp == ',') {
 744             if (*endp) {
 745                 if (strstart(endp, ",vlan=", &p)) {
 746                     vlan = strtol(p, (char **) &endp, 0);
 747                     if (*endp) {
 748                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 749                         return 1;
 750                     }
 751                 } else {
 752                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 753                     return 1;
 754                 }
 755             } else
 756                 vlan = 0;
 757
 758             bt_vhci_add(vlan);
 759             return 0;
 760         }
 761     } else if (strstart(opt, "device:", &endp))
 762         return !bt_device_add(endp);
 763
 764     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 765     return 1;
 766 }
 767
 768 /***********************************************************/
 769 /* QEMU Block devices */
 770
 771 #define HD_OPTS "media=disk"
 772 #define CDROM_OPTS "media=cdrom"
 773 #define FD_OPTS ""
 774 #define PFLASH_OPTS ""
 775 #define MTD_OPTS ""
 776 #define SD_OPTS ""
 777
 778 static int drive_init_func(QemuOpts *opts, void *opaque)
 779 {
 780     int *use_scsi = opaque;
 781
 782     return drive_init(opts, *use_scsi) == NULL;
 783 }
 784
 785 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 786 {
 787     if (NULL == qemu_opt_get(opts, "snapshot")) {
 788         qemu_opt_set(opts, "snapshot", "on");
 789     }
 790     return 0;
 791 }
 792
 793 static void default_drive(int enable, int snapshot, int use_scsi,
 794                           BlockInterfaceType type, int index,
 795                           const char *optstr)
 796 {
 797     QemuOpts *opts;
 798
 799     if (type == IF_DEFAULT) {
 800         type = use_scsi ? IF_SCSI : IF_IDE;
 801     }
 802
 803     if (!enable || drive_get_by_index(type, index)) {
 804         return;
 805     }
 806
 807     opts = drive_add(type, index, NULL, optstr);
 808     if (snapshot) {
 809         drive_enable_snapshot(opts, NULL);
 810     }
 811     if (!drive_init(opts, use_scsi)) {
 812         exit(1);
 813     }
 814 }
 815
 816 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 817 {
 818     boot_set_handler = func;
 819     boot_set_opaque = opaque;
 820 }
 821
 822 int qemu_boot_set(const char *boot_devices)
 823 {
 824     if (!boot_set_handler) {
 825         return -EINVAL;
 826     }
 827     return boot_set_handler(boot_set_opaque, boot_devices);
 828 }
 829
 830 static void validate_bootdevices(char *devices)
 831 {
 832     /* We just do some generic consistency checks */
 833     const char *p;
 834     int bitmap = 0;
 835
 836     for (p = devices; *p != '\0'; p++) {
 837         /* Allowed boot devices are:
 838          * a-b: floppy disk drives
 839          * c-f: IDE disk drives
 840          * g-m: machine implementation dependent drives
 841          * n-p: network devices
 842          * It's up to each machine implementation to check if the given boot
 843          * devices match the actual hardware implementation and firmware
 844          * features.
 845          */
 846         if (*p < 'a' || *p > 'p') {
 847             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 848             exit(1);
 849         }
 850         if (bitmap & (1 << (*p - 'a'))) {
 851             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 852             exit(1);
 853         }
 854         bitmap |= 1 << (*p - 'a');
 855     }
 856 }
 857
 858 static void restore_boot_devices(void *opaque)
 859 {
 860     char *standard_boot_devices = opaque;
 861     static int first = 1;
 862
 863     /* Restore boot order and remove ourselves after the first boot */
 864     if (first) {
 865         first = 0;
 866         return;
 867     }
 868
 869     qemu_boot_set(standard_boot_devices);
 870
 871     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 872     g_free(standard_boot_devices);
 873 }
 874
 875 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 876                           const char *suffix)
 877 {
 878     FWBootEntry *node, *i;
 879
 880     if (bootindex < 0) {
 881         return;
 882     }
 883
 884     assert(dev != NULL || suffix != NULL);
 885
 886     node = g_malloc0(sizeof(FWBootEntry));
 887     node->bootindex = bootindex;
 888     node->suffix = suffix ? g_strdup(suffix) : NULL;
 889     node->dev = dev;
 890
 891     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 892         if (i->bootindex == bootindex) {
 893             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 894             exit(1);
 895         } else if (i->bootindex < bootindex) {
 896             continue;
 897         }
 898         QTAILQ_INSERT_BEFORE(i, node, link);
 899         return;
 900     }
 901     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 902 }
 903
 904 /*
 905  * This function returns null terminated string that consist of new line
 906  * separated device paths.
 907  *
 908  * memory pointed by "size" is assigned total length of the array in bytes
 909  *
 910  */
 911 char *get_boot_devices_list(uint32_t *size)
 912 {
 913     FWBootEntry *i;
 914     uint32_t total = 0;
 915     char *list = NULL;
 916
 917     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 918         char *devpath = NULL, *bootpath;
 919         int len;
 920
 921         if (i->dev) {
 922             devpath = qdev_get_fw_dev_path(i->dev);
 923             assert(devpath);
 924         }
 925
 926         if (i->suffix && devpath) {
 927             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 928
 929             bootpath = g_malloc(bootpathlen);
 930             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 931             g_free(devpath);
 932         } else if (devpath) {
 933             bootpath = devpath;
 934         } else {
 935             assert(i->suffix);
 936             bootpath = g_strdup(i->suffix);
 937         }
 938
 939         if (total) {
 940             list[total-1] = '\n';
 941         }
 942         len = strlen(bootpath) + 1;
 943         list = g_realloc(list, total + len);
 944         memcpy(&list[total], bootpath, len);
 945         total += len;
 946         g_free(bootpath);
 947     }
 948
 949     *size = total;
 950
 951     return list;
 952 }
 953
 954 static void numa_add(const char *optarg)
 955 {
 956     char option[128];
 957     char *endptr;
 958     unsigned long long value, endvalue;
 959     int nodenr;
 960
 961     value = endvalue = 0ULL;
 962
 963     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 964     if (!strcmp(option, "node")) {
 965         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 966             nodenr = nb_numa_nodes;
 967         } else {
 968             nodenr = strtoull(option, NULL, 10);
 969         }
 970
 971         if (get_param_value(option, 128, "mem", optarg) == 0) {
 972             node_mem[nodenr] = 0;
 973         } else {
 974             int64_t sval;
 975             sval = strtosz(option, &endptr);
 976             if (sval < 0 || *endptr) {
 977                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 978                 exit(1);
 979             }
 980             node_mem[nodenr] = sval;
 981         }
 982         if (get_param_value(option, 128, "cpus", optarg) != 0) {
 983             value = strtoull(option, &endptr, 10);
 984             if (*endptr == '-') {
 985                 endvalue = strtoull(endptr+1, &endptr, 10);
 986             } else {
 987                 endvalue = value;
 988             }
 989
 990             if (!(endvalue < MAX_CPUMASK_BITS)) {
 991                 endvalue = MAX_CPUMASK_BITS - 1;
 992                 fprintf(stderr,
 993                     "A max of %d CPUs are supported in a guest\n",
 994                      MAX_CPUMASK_BITS);
 995             }
 996
 997             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
 998         }
 999         nb_numa_nodes++;
1000     }
1001     return;
1002 }
1003
1004 static void smp_parse(const char *optarg)
1005 {
1006     int smp, sockets = 0, threads = 0, cores = 0;
1007     char *endptr;
1008     char option[128];
1009
1010     smp = strtoul(optarg, &endptr, 10);
1011     if (endptr != optarg) {
1012         if (*endptr == ',') {
1013             endptr++;
1014         }
1015     }
1016     if (get_param_value(option, 128, "sockets", endptr) != 0)
1017         sockets = strtoull(option, NULL, 10);
1018     if (get_param_value(option, 128, "cores", endptr) != 0)
1019         cores = strtoull(option, NULL, 10);
1020     if (get_param_value(option, 128, "threads", endptr) != 0)
1021         threads = strtoull(option, NULL, 10);
1022     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1023         max_cpus = strtoull(option, NULL, 10);
1024
1025     /* compute missing values, prefer sockets over cores over threads */
1026     if (smp == 0 || sockets == 0) {
1027         sockets = sockets > 0 ? sockets : 1;
1028         cores = cores > 0 ? cores : 1;
1029         threads = threads > 0 ? threads : 1;
1030         if (smp == 0) {
1031             smp = cores * threads * sockets;
1032         }
1033     } else {
1034         if (cores == 0) {
1035             threads = threads > 0 ? threads : 1;
1036             cores = smp / (sockets * threads);
1037         } else {
1038             threads = smp / (cores * sockets);
1039         }
1040     }
1041     smp_cpus = smp;
1042     smp_cores = cores > 0 ? cores : 1;
1043     smp_threads = threads > 0 ? threads : 1;
1044     if (max_cpus == 0)
1045         max_cpus = smp_cpus;
1046 }
1047
1048 /***********************************************************/
1049 /* USB devices */
1050
1051 static int usb_device_add(const char *devname)
1052 {
1053     const char *p;
1054     USBDevice *dev = NULL;
1055
1056     if (!usb_enabled)
1057         return -1;
1058
1059     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060     dev = usbdevice_create(devname);
1061     if (dev)
1062         goto done;
1063
1064     /* the other ones */
1065 #ifndef CONFIG_LINUX
1066     /* only the linux version is qdev-ified, usb-bsd still needs this */
1067     if (strstart(devname, "host:", &p)) {
1068         dev = usb_host_device_open(usb_bus_find(-1), p);
1069     } else
1070 #endif
1071     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1072         dev = usb_bt_init(usb_bus_find(-1),
1073                           devname[2] ? hci_init(p)
1074                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1075     } else {
1076         return -1;
1077     }
1078     if (!dev)
1079         return -1;
1080
1081 done:
1082     return 0;
1083 }
1084
1085 static int usb_device_del(const char *devname)
1086 {
1087     int bus_num, addr;
1088     const char *p;
1089
1090     if (strstart(devname, "host:", &p))
1091         return usb_host_device_close(p);
1092
1093     if (!usb_enabled)
1094         return -1;
1095
1096     p = strchr(devname, '.');
1097     if (!p)
1098         return -1;
1099     bus_num = strtoul(devname, NULL, 0);
1100     addr = strtoul(p + 1, NULL, 0);
1101
1102     return usb_device_delete_addr(bus_num, addr);
1103 }
1104
1105 static int usb_parse(const char *cmdline)
1106 {
1107     int r;
1108     r = usb_device_add(cmdline);
1109     if (r < 0) {
1110         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1111     }
1112     return r;
1113 }
1114
1115 void do_usb_add(Monitor *mon, const QDict *qdict)
1116 {
1117     const char *devname = qdict_get_str(qdict, "devname");
1118     if (usb_device_add(devname) < 0) {
1119         error_report("could not add USB device '%s'", devname);
1120     }
1121 }
1122
1123 void do_usb_del(Monitor *mon, const QDict *qdict)
1124 {
1125     const char *devname = qdict_get_str(qdict, "devname");
1126     if (usb_device_del(devname) < 0) {
1127         error_report("could not delete USB device '%s'", devname);
1128     }
1129 }
1130
1131 /***********************************************************/
1132 /* PCMCIA/Cardbus */
1133
1134 static struct pcmcia_socket_entry_s {
1135     PCMCIASocket *socket;
1136     struct pcmcia_socket_entry_s *next;
1137 } *pcmcia_sockets = 0;
1138
1139 void pcmcia_socket_register(PCMCIASocket *socket)
1140 {
1141     struct pcmcia_socket_entry_s *entry;
1142
1143     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1144     entry->socket = socket;
1145     entry->next = pcmcia_sockets;
1146     pcmcia_sockets = entry;
1147 }
1148
1149 void pcmcia_socket_unregister(PCMCIASocket *socket)
1150 {
1151     struct pcmcia_socket_entry_s *entry, **ptr;
1152
1153     ptr = &pcmcia_sockets;
1154     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1155         if (entry->socket == socket) {
1156             *ptr = entry->next;
1157             g_free(entry);
1158         }
1159 }
1160
1161 void pcmcia_info(Monitor *mon)
1162 {
1163     struct pcmcia_socket_entry_s *iter;
1164
1165     if (!pcmcia_sockets)
1166         monitor_printf(mon, "No PCMCIA sockets\n");
1167
1168     for (iter = pcmcia_sockets; iter; iter = iter->next)
1169         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1170                        iter->socket->attached ? iter->socket->card_string :
1171                        "Empty");
1172 }
1173
1174 /***********************************************************/
1175 /* machine registration */
1176
1177 static QEMUMachine *first_machine = NULL;
1178 QEMUMachine *current_machine = NULL;
1179
1180 int qemu_register_machine(QEMUMachine *m)
1181 {
1182     QEMUMachine **pm;
1183     pm = &first_machine;
1184     while (*pm != NULL)
1185         pm = &(*pm)->next;
1186     m->next = NULL;
1187     *pm = m;
1188     return 0;
1189 }
1190
1191 static QEMUMachine *find_machine(const char *name)
1192 {
1193     QEMUMachine *m;
1194
1195     for(m = first_machine; m != NULL; m = m->next) {
1196         if (!strcmp(m->name, name))
1197             return m;
1198         if (m->alias && !strcmp(m->alias, name))
1199             return m;
1200     }
1201     return NULL;
1202 }
1203
1204 QEMUMachine *find_default_machine(void)
1205 {
1206     QEMUMachine *m;
1207
1208     for(m = first_machine; m != NULL; m = m->next) {
1209         if (m->is_default) {
1210             return m;
1211         }
1212     }
1213     return NULL;
1214 }
1215
1216 /***********************************************************/
1217 /* main execution loop */
1218
1219 static void gui_update(void *opaque)
1220 {
1221     uint64_t interval = GUI_REFRESH_INTERVAL;
1222     DisplayState *ds = opaque;
1223     DisplayChangeListener *dcl = ds->listeners;
1224
1225     dpy_refresh(ds);
1226
1227     while (dcl != NULL) {
1228         if (dcl->gui_timer_interval &&
1229             dcl->gui_timer_interval < interval)
1230             interval = dcl->gui_timer_interval;
1231         dcl = dcl->next;
1232     }
1233     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1234 }
1235
1236 struct vm_change_state_entry {
1237     VMChangeStateHandler *cb;
1238     void *opaque;
1239     QLIST_ENTRY (vm_change_state_entry) entries;
1240 };
1241
1242 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1243
1244 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1245                                                      void *opaque)
1246 {
1247     VMChangeStateEntry *e;
1248
1249     e = g_malloc0(sizeof (*e));
1250
1251     e->cb = cb;
1252     e->opaque = opaque;
1253     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1254     return e;
1255 }
1256
1257 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1258 {
1259     QLIST_REMOVE (e, entries);
1260     g_free (e);
1261 }
1262
1263 void vm_state_notify(int running, RunState state)
1264 {
1265     VMChangeStateEntry *e;
1266
1267     trace_vm_state_notify(running, state);
1268
1269     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1270         e->cb(e->opaque, running, state);
1271     }
1272 }
1273
1274 void vm_start(void)
1275 {
1276     if (!runstate_is_running()) {
1277         cpu_enable_ticks();
1278         runstate_set(RUN_STATE_RUNNING);
1279         vm_state_notify(1, RUN_STATE_RUNNING);
1280         resume_all_vcpus();
1281         monitor_protocol_event(QEVENT_RESUME, NULL);
1282     }
1283 }
1284
1285 /* reset/shutdown handler */
1286
1287 typedef struct QEMUResetEntry {
1288     QTAILQ_ENTRY(QEMUResetEntry) entry;
1289     QEMUResetHandler *func;
1290     void *opaque;
1291 } QEMUResetEntry;
1292
1293 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1294     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1295 static int reset_requested;
1296 static int shutdown_requested, shutdown_signal = -1;
1297 static pid_t shutdown_pid;
1298 static int powerdown_requested;
1299 static int debug_requested;
1300 static int suspend_requested;
1301 static int wakeup_requested;
1302 static NotifierList suspend_notifiers =
1303     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1304 static NotifierList wakeup_notifiers =
1305     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1306 static uint32_t wakeup_reason_mask = ~0;
1307 static RunState vmstop_requested = RUN_STATE_MAX;
1308
1309 int qemu_shutdown_requested_get(void)
1310 {
1311     return shutdown_requested;
1312 }
1313
1314 int qemu_reset_requested_get(void)
1315 {
1316     return reset_requested;
1317 }
1318
1319 int qemu_shutdown_requested(void)
1320 {
1321     int r = shutdown_requested;
1322     shutdown_requested = 0;
1323     return r;
1324 }
1325
1326 void qemu_kill_report(void)
1327 {
1328     if (!qtest_enabled() && shutdown_signal != -1) {
1329         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1330         if (shutdown_pid == 0) {
1331             /* This happens for eg ^C at the terminal, so it's worth
1332              * avoiding printing an odd message in that case.
1333              */
1334             fputc('\n', stderr);
1335         } else {
1336             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1337         }
1338         shutdown_signal = -1;
1339     }
1340 }
1341
1342 int qemu_reset_requested(void)
1343 {
1344     int r = reset_requested;
1345     reset_requested = 0;
1346     return r;
1347 }
1348
1349 static int qemu_suspend_requested(void)
1350 {
1351     int r = suspend_requested;
1352     suspend_requested = 0;
1353     return r;
1354 }
1355
1356 static int qemu_wakeup_requested(void)
1357 {
1358     int r = wakeup_requested;
1359     wakeup_requested = 0;
1360     return r;
1361 }
1362
1363 int qemu_powerdown_requested(void)
1364 {
1365     int r = powerdown_requested;
1366     powerdown_requested = 0;
1367     return r;
1368 }
1369
1370 static int qemu_debug_requested(void)
1371 {
1372     int r = debug_requested;
1373     debug_requested = 0;
1374     return r;
1375 }
1376
1377 /* We use RUN_STATE_MAX but any invalid value will do */
1378 static bool qemu_vmstop_requested(RunState *r)
1379 {
1380     if (vmstop_requested < RUN_STATE_MAX) {
1381         *r = vmstop_requested;
1382         vmstop_requested = RUN_STATE_MAX;
1383         return true;
1384     }
1385
1386     return false;
1387 }
1388
1389 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1390 {
1391     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1392
1393     re->func = func;
1394     re->opaque = opaque;
1395     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1396 }
1397
1398 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1399 {
1400     QEMUResetEntry *re;
1401
1402     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1403         if (re->func == func && re->opaque == opaque) {
1404             QTAILQ_REMOVE(&reset_handlers, re, entry);
1405             g_free(re);
1406             return;
1407         }
1408     }
1409 }
1410
1411 void qemu_system_reset(bool report)
1412 {
1413     QEMUResetEntry *re, *nre;
1414
1415     /* reset all devices */
1416     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1417         re->func(re->opaque);
1418     }
1419     if (report) {
1420         monitor_protocol_event(QEVENT_RESET, NULL);
1421     }
1422     cpu_synchronize_all_post_reset();
1423 }
1424
1425 void qemu_system_reset_request(void)
1426 {
1427     if (no_reboot) {
1428         shutdown_requested = 1;
1429     } else {
1430         reset_requested = 1;
1431     }
1432     cpu_stop_current();
1433     qemu_notify_event();
1434 }
1435
1436 static void qemu_system_suspend(void)
1437 {
1438     pause_all_vcpus();
1439     notifier_list_notify(&suspend_notifiers, NULL);
1440     runstate_set(RUN_STATE_SUSPENDED);
1441     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1442 }
1443
1444 void qemu_system_suspend_request(void)
1445 {
1446     if (runstate_check(RUN_STATE_SUSPENDED)) {
1447         return;
1448     }
1449     suspend_requested = 1;
1450     cpu_stop_current();
1451     qemu_notify_event();
1452 }
1453
1454 void qemu_register_suspend_notifier(Notifier *notifier)
1455 {
1456     notifier_list_add(&suspend_notifiers, notifier);
1457 }
1458
1459 void qemu_system_wakeup_request(WakeupReason reason)
1460 {
1461     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1462         return;
1463     }
1464     if (!(wakeup_reason_mask & (1 << reason))) {
1465         return;
1466     }
1467     runstate_set(RUN_STATE_RUNNING);
1468     notifier_list_notify(&wakeup_notifiers, &reason);
1469     wakeup_requested = 1;
1470     qemu_notify_event();
1471 }
1472
1473 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1474 {
1475     if (enabled) {
1476         wakeup_reason_mask |= (1 << reason);
1477     } else {
1478         wakeup_reason_mask &= ~(1 << reason);
1479     }
1480 }
1481
1482 void qemu_register_wakeup_notifier(Notifier *notifier)
1483 {
1484     notifier_list_add(&wakeup_notifiers, notifier);
1485 }
1486
1487 void qemu_system_killed(int signal, pid_t pid)
1488 {
1489     shutdown_signal = signal;
1490     shutdown_pid = pid;
1491     no_shutdown = 0;
1492     qemu_system_shutdown_request();
1493 }
1494
1495 void qemu_system_shutdown_request(void)
1496 {
1497     shutdown_requested = 1;
1498     qemu_notify_event();
1499 }
1500
1501 void qemu_system_powerdown_request(void)
1502 {
1503     powerdown_requested = 1;
1504     qemu_notify_event();
1505 }
1506
1507 void qemu_system_debug_request(void)
1508 {
1509     debug_requested = 1;
1510     qemu_notify_event();
1511 }
1512
1513 void qemu_system_vmstop_request(RunState state)
1514 {
1515     vmstop_requested = state;
1516     qemu_notify_event();
1517 }
1518
1519 qemu_irq qemu_system_powerdown;
1520
1521 static bool main_loop_should_exit(void)
1522 {
1523     RunState r;
1524     if (qemu_debug_requested()) {
1525         vm_stop(RUN_STATE_DEBUG);
1526     }
1527     if (qemu_suspend_requested()) {
1528         qemu_system_suspend();
1529     }
1530     if (qemu_shutdown_requested()) {
1531         qemu_kill_report();
1532         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1533         if (no_shutdown) {
1534             vm_stop(RUN_STATE_SHUTDOWN);
1535         } else {
1536             return true;
1537         }
1538     }
1539     if (qemu_reset_requested()) {
1540         pause_all_vcpus();
1541         cpu_synchronize_all_states();
1542         qemu_system_reset(VMRESET_REPORT);
1543         resume_all_vcpus();
1544         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1545             runstate_check(RUN_STATE_SHUTDOWN)) {
1546             runstate_set(RUN_STATE_PAUSED);
1547         }
1548     }
1549     if (qemu_wakeup_requested()) {
1550         pause_all_vcpus();
1551         cpu_synchronize_all_states();
1552         qemu_system_reset(VMRESET_SILENT);
1553         resume_all_vcpus();
1554         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1555     }
1556     if (qemu_powerdown_requested()) {
1557         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1558         qemu_irq_raise(qemu_system_powerdown);
1559     }
1560     if (qemu_vmstop_requested(&r)) {
1561         vm_stop(r);
1562     }
1563     return false;
1564 }
1565
1566 static void main_loop(void)
1567 {
1568     bool nonblocking;
1569     int last_io = 0;
1570 #ifdef CONFIG_PROFILER
1571     int64_t ti;
1572 #endif
1573     do {
1574         nonblocking = !kvm_enabled() && last_io > 0;
1575 #ifdef CONFIG_PROFILER
1576         ti = profile_getclock();
1577 #endif
1578         last_io = main_loop_wait(nonblocking);
1579 #ifdef CONFIG_PROFILER
1580         dev_time += profile_getclock() - ti;
1581 #endif
1582     } while (!main_loop_should_exit());
1583 }
1584
1585 static void version(void)
1586 {
1587     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1588 }
1589
1590 static void help(int exitcode)
1591 {
1592     version();
1593     printf("usage: %s [options] [disk_image]\n\n"
1594            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1595             error_get_progname());
1596
1597 #define QEMU_OPTIONS_GENERATE_HELP
1598 #include "qemu-options-wrapper.h"
1599
1600     printf("\nDuring emulation, the following keys are useful:\n"
1601            "ctrl-alt-f      toggle full screen\n"
1602            "ctrl-alt-n      switch to virtual console 'n'\n"
1603            "ctrl-alt        toggle mouse and keyboard grab\n"
1604            "\n"
1605            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1606
1607     exit(exitcode);
1608 }
1609
1610 #define HAS_ARG 0x0001
1611
1612 typedef struct QEMUOption {
1613     const char *name;
1614     int flags;
1615     int index;
1616     uint32_t arch_mask;
1617 } QEMUOption;
1618
1619 static const QEMUOption qemu_options[] = {
1620     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1621 #define QEMU_OPTIONS_GENERATE_OPTIONS
1622 #include "qemu-options-wrapper.h"
1623     { NULL },
1624 };
1625
1626 static bool vga_available(void)
1627 {
1628     return qdev_exists("VGA") || qdev_exists("isa-vga");
1629 }
1630
1631 static bool cirrus_vga_available(void)
1632 {
1633     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1634 }
1635
1636 static bool vmware_vga_available(void)
1637 {
1638     return qdev_exists("vmware-svga");
1639 }
1640
1641 static void select_vgahw (const char *p)
1642 {
1643     const char *opts;
1644
1645     vga_interface_type = VGA_NONE;
1646     if (strstart(p, "std", &opts)) {
1647         if (vga_available()) {
1648             vga_interface_type = VGA_STD;
1649         } else {
1650             fprintf(stderr, "Error: standard VGA not available\n");
1651             exit(0);
1652         }
1653     } else if (strstart(p, "cirrus", &opts)) {
1654         if (cirrus_vga_available()) {
1655             vga_interface_type = VGA_CIRRUS;
1656         } else {
1657             fprintf(stderr, "Error: Cirrus VGA not available\n");
1658             exit(0);
1659         }
1660     } else if (strstart(p, "vmware", &opts)) {
1661         if (vmware_vga_available()) {
1662             vga_interface_type = VGA_VMWARE;
1663         } else {
1664             fprintf(stderr, "Error: VMWare SVGA not available\n");
1665             exit(0);
1666         }
1667     } else if (strstart(p, "xenfb", &opts)) {
1668         vga_interface_type = VGA_XENFB;
1669     } else if (strstart(p, "qxl", &opts)) {
1670         vga_interface_type = VGA_QXL;
1671     } else if (!strstart(p, "none", &opts)) {
1672     invalid_vga:
1673         fprintf(stderr, "Unknown vga type: %s\n", p);
1674         exit(1);
1675     }
1676     while (*opts) {
1677         const char *nextopt;
1678
1679         if (strstart(opts, ",retrace=", &nextopt)) {
1680             opts = nextopt;
1681             if (strstart(opts, "dumb", &nextopt))
1682                 vga_retrace_method = VGA_RETRACE_DUMB;
1683             else if (strstart(opts, "precise", &nextopt))
1684                 vga_retrace_method = VGA_RETRACE_PRECISE;
1685             else goto invalid_vga;
1686         } else goto invalid_vga;
1687         opts = nextopt;
1688     }
1689 }
1690
1691 static DisplayType select_display(const char *p)
1692 {
1693     const char *opts;
1694     DisplayType display = DT_DEFAULT;
1695
1696     if (strstart(p, "sdl", &opts)) {
1697 #ifdef CONFIG_SDL
1698         display = DT_SDL;
1699         while (*opts) {
1700             const char *nextopt;
1701
1702             if (strstart(opts, ",frame=", &nextopt)) {
1703                 opts = nextopt;
1704                 if (strstart(opts, "on", &nextopt)) {
1705                     no_frame = 0;
1706                 } else if (strstart(opts, "off", &nextopt)) {
1707                     no_frame = 1;
1708                 } else {
1709                     goto invalid_sdl_args;
1710                 }
1711             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1712                 opts = nextopt;
1713                 if (strstart(opts, "on", &nextopt)) {
1714                     alt_grab = 1;
1715                 } else if (strstart(opts, "off", &nextopt)) {
1716                     alt_grab = 0;
1717                 } else {
1718                     goto invalid_sdl_args;
1719                 }
1720             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1721                 opts = nextopt;
1722                 if (strstart(opts, "on", &nextopt)) {
1723                     ctrl_grab = 1;
1724                 } else if (strstart(opts, "off", &nextopt)) {
1725                     ctrl_grab = 0;
1726                 } else {
1727                     goto invalid_sdl_args;
1728                 }
1729             } else if (strstart(opts, ",window_close=", &nextopt)) {
1730                 opts = nextopt;
1731                 if (strstart(opts, "on", &nextopt)) {
1732                     no_quit = 0;
1733                 } else if (strstart(opts, "off", &nextopt)) {
1734                     no_quit = 1;
1735                 } else {
1736                     goto invalid_sdl_args;
1737                 }
1738             } else {
1739             invalid_sdl_args:
1740                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1741                 exit(1);
1742             }
1743             opts = nextopt;
1744         }
1745 #else
1746         fprintf(stderr, "SDL support is disabled\n");
1747         exit(1);
1748 #endif
1749     } else if (strstart(p, "vnc", &opts)) {
1750 #ifdef CONFIG_VNC
1751         display_remote++;
1752
1753         if (*opts) {
1754             const char *nextopt;
1755
1756             if (strstart(opts, "=", &nextopt)) {
1757                 vnc_display = nextopt;
1758             }
1759         }
1760         if (!vnc_display) {
1761             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1762             exit(1);
1763         }
1764 #else
1765         fprintf(stderr, "VNC support is disabled\n");
1766         exit(1);
1767 #endif
1768     } else if (strstart(p, "curses", &opts)) {
1769 #ifdef CONFIG_CURSES
1770         display = DT_CURSES;
1771 #else
1772         fprintf(stderr, "Curses support is disabled\n");
1773         exit(1);
1774 #endif
1775     } else if (strstart(p, "none", &opts)) {
1776         display = DT_NONE;
1777     } else {
1778         fprintf(stderr, "Unknown display type: %s\n", p);
1779         exit(1);
1780     }
1781
1782     return display;
1783 }
1784
1785 static int balloon_parse(const char *arg)
1786 {
1787     QemuOpts *opts;
1788
1789     if (strcmp(arg, "none") == 0) {
1790         return 0;
1791     }
1792
1793     if (!strncmp(arg, "virtio", 6)) {
1794         if (arg[6] == ',') {
1795             /* have params -> parse them */
1796             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1797             if (!opts)
1798                 return  -1;
1799         } else {
1800             /* create empty opts */
1801             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1802         }
1803         qemu_opt_set(opts, "driver", "virtio-balloon");
1804         return 0;
1805     }
1806
1807     return -1;
1808 }
1809
1810 char *qemu_find_file(int type, const char *name)
1811 {
1812     int len;
1813     const char *subdir;
1814     char *buf;
1815
1816     /* Try the name as a straight path first */
1817     if (access(name, R_OK) == 0) {
1818         return g_strdup(name);
1819     }
1820     switch (type) {
1821     case QEMU_FILE_TYPE_BIOS:
1822         subdir = "";
1823         break;
1824     case QEMU_FILE_TYPE_KEYMAP:
1825         subdir = "keymaps/";
1826         break;
1827     default:
1828         abort();
1829     }
1830     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1831     buf = g_malloc0(len);
1832     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1833     if (access(buf, R_OK)) {
1834         g_free(buf);
1835         return NULL;
1836     }
1837     return buf;
1838 }
1839
1840 static int device_help_func(QemuOpts *opts, void *opaque)
1841 {
1842     return qdev_device_help(opts);
1843 }
1844
1845 static int device_init_func(QemuOpts *opts, void *opaque)
1846 {
1847     DeviceState *dev;
1848
1849     dev = qdev_device_add(opts);
1850     if (!dev)
1851         return -1;
1852     return 0;
1853 }
1854
1855 static int chardev_init_func(QemuOpts *opts, void *opaque)
1856 {
1857     CharDriverState *chr;
1858
1859     chr = qemu_chr_new_from_opts(opts, NULL);
1860     if (!chr)
1861         return -1;
1862     return 0;
1863 }
1864
1865 #ifdef CONFIG_VIRTFS
1866 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1867 {
1868     int ret;
1869     ret = qemu_fsdev_add(opts);
1870
1871     return ret;
1872 }
1873 #endif
1874
1875 static int mon_init_func(QemuOpts *opts, void *opaque)
1876 {
1877     CharDriverState *chr;
1878     const char *chardev;
1879     const char *mode;
1880     int flags;
1881
1882     mode = qemu_opt_get(opts, "mode");
1883     if (mode == NULL) {
1884         mode = "readline";
1885     }
1886     if (strcmp(mode, "readline") == 0) {
1887         flags = MONITOR_USE_READLINE;
1888     } else if (strcmp(mode, "control") == 0) {
1889         flags = MONITOR_USE_CONTROL;
1890     } else {
1891         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1892         exit(1);
1893     }
1894
1895     if (qemu_opt_get_bool(opts, "pretty", 0))
1896         flags |= MONITOR_USE_PRETTY;
1897
1898     if (qemu_opt_get_bool(opts, "default", 0))
1899         flags |= MONITOR_IS_DEFAULT;
1900
1901     chardev = qemu_opt_get(opts, "chardev");
1902     chr = qemu_chr_find(chardev);
1903     if (chr == NULL) {
1904         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1905         exit(1);
1906     }
1907
1908     monitor_init(chr, flags);
1909     return 0;
1910 }
1911
1912 static void monitor_parse(const char *optarg, const char *mode)
1913 {
1914     static int monitor_device_index = 0;
1915     QemuOpts *opts;
1916     const char *p;
1917     char label[32];
1918     int def = 0;
1919
1920     if (strstart(optarg, "chardev:", &p)) {
1921         snprintf(label, sizeof(label), "%s", p);
1922     } else {
1923         snprintf(label, sizeof(label), "compat_monitor%d",
1924                  monitor_device_index);
1925         if (monitor_device_index == 0) {
1926             def = 1;
1927         }
1928         opts = qemu_chr_parse_compat(label, optarg);
1929         if (!opts) {
1930             fprintf(stderr, "parse error: %s\n", optarg);
1931             exit(1);
1932         }
1933     }
1934
1935     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1936     if (!opts) {
1937         fprintf(stderr, "duplicate chardev: %s\n", label);
1938         exit(1);
1939     }
1940     qemu_opt_set(opts, "mode", mode);
1941     qemu_opt_set(opts, "chardev", label);
1942     if (def)
1943         qemu_opt_set(opts, "default", "on");
1944     monitor_device_index++;
1945 }
1946
1947 struct device_config {
1948     enum {
1949         DEV_USB,       /* -usbdevice     */
1950         DEV_BT,        /* -bt            */
1951         DEV_SERIAL,    /* -serial        */
1952         DEV_PARALLEL,  /* -parallel      */
1953         DEV_VIRTCON,   /* -virtioconsole */
1954         DEV_DEBUGCON,  /* -debugcon */
1955         DEV_GDB,       /* -gdb, -s */
1956     } type;
1957     const char *cmdline;
1958     Location loc;
1959     QTAILQ_ENTRY(device_config) next;
1960 };
1961 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1962
1963 static void add_device_config(int type, const char *cmdline)
1964 {
1965     struct device_config *conf;
1966
1967     conf = g_malloc0(sizeof(*conf));
1968     conf->type = type;
1969     conf->cmdline = cmdline;
1970     loc_save(&conf->loc);
1971     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1972 }
1973
1974 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1975 {
1976     struct device_config *conf;
1977     int rc;
1978
1979     QTAILQ_FOREACH(conf, &device_configs, next) {
1980         if (conf->type != type)
1981             continue;
1982         loc_push_restore(&conf->loc);
1983         rc = func(conf->cmdline);
1984         loc_pop(&conf->loc);
1985         if (0 != rc)
1986             return rc;
1987     }
1988     return 0;
1989 }
1990
1991 static int serial_parse(const char *devname)
1992 {
1993     static int index = 0;
1994     char label[32];
1995
1996     if (strcmp(devname, "none") == 0)
1997         return 0;
1998     if (index == MAX_SERIAL_PORTS) {
1999         fprintf(stderr, "qemu: too many serial ports\n");
2000         exit(1);
2001     }
2002     snprintf(label, sizeof(label), "serial%d", index);
2003     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2004     if (!serial_hds[index]) {
2005         fprintf(stderr, "qemu: could not connect serial device"
2006                 " to character backend '%s'\n", devname);
2007         return -1;
2008     }
2009     index++;
2010     return 0;
2011 }
2012
2013 static int parallel_parse(const char *devname)
2014 {
2015     static int index = 0;
2016     char label[32];
2017
2018     if (strcmp(devname, "none") == 0)
2019         return 0;
2020     if (index == MAX_PARALLEL_PORTS) {
2021         fprintf(stderr, "qemu: too many parallel ports\n");
2022         exit(1);
2023     }
2024     snprintf(label, sizeof(label), "parallel%d", index);
2025     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2026     if (!parallel_hds[index]) {
2027         fprintf(stderr, "qemu: could not connect parallel device"
2028                 " to character backend '%s'\n", devname);
2029         return -1;
2030     }
2031     index++;
2032     return 0;
2033 }
2034
2035 static int virtcon_parse(const char *devname)
2036 {
2037     QemuOptsList *device = qemu_find_opts("device");
2038     static int index = 0;
2039     char label[32];
2040     QemuOpts *bus_opts, *dev_opts;
2041
2042     if (strcmp(devname, "none") == 0)
2043         return 0;
2044     if (index == MAX_VIRTIO_CONSOLES) {
2045         fprintf(stderr, "qemu: too many virtio consoles\n");
2046         exit(1);
2047     }
2048
2049     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2050     if (arch_type == QEMU_ARCH_S390X) {
2051         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2052     } else {
2053         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2054     }
2055
2056     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2057     qemu_opt_set(dev_opts, "driver", "virtconsole");
2058
2059     snprintf(label, sizeof(label), "virtcon%d", index);
2060     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2061     if (!virtcon_hds[index]) {
2062         fprintf(stderr, "qemu: could not connect virtio console"
2063                 " to character backend '%s'\n", devname);
2064         return -1;
2065     }
2066     qemu_opt_set(dev_opts, "chardev", label);
2067
2068     index++;
2069     return 0;
2070 }
2071
2072 static int debugcon_parse(const char *devname)
2073 {
2074     QemuOpts *opts;
2075
2076     if (!qemu_chr_new("debugcon", devname, NULL)) {
2077         exit(1);
2078     }
2079     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2080     if (!opts) {
2081         fprintf(stderr, "qemu: already have a debugcon device\n");
2082         exit(1);
2083     }
2084     qemu_opt_set(opts, "driver", "isa-debugcon");
2085     qemu_opt_set(opts, "chardev", "debugcon");
2086     return 0;
2087 }
2088
2089 static QEMUMachine *machine_parse(const char *name)
2090 {
2091     QEMUMachine *m, *machine = NULL;
2092
2093     if (name) {
2094         machine = find_machine(name);
2095     }
2096     if (machine) {
2097         return machine;
2098     }
2099     printf("Supported machines are:\n");
2100     for (m = first_machine; m != NULL; m = m->next) {
2101         if (m->alias) {
2102             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2103         }
2104         printf("%-20s %s%s\n", m->name, m->desc,
2105                m->is_default ? " (default)" : "");
2106     }
2107     exit(!name || !is_help_option(name));
2108 }
2109
2110 static int tcg_init(void)
2111 {
2112     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2113     return 0;
2114 }
2115
2116 static struct {
2117     const char *opt_name;
2118     const char *name;
2119     int (*available)(void);
2120     int (*init)(void);
2121     int *allowed;
2122 } accel_list[] = {
2123     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2124     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2125     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2126     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2127 };
2128
2129 static int configure_accelerator(void)
2130 {
2131     const char *p = NULL;
2132     char buf[10];
2133     int i, ret;
2134     bool accel_initialised = 0;
2135     bool init_failed = 0;
2136
2137     QemuOptsList *list = qemu_find_opts("machine");
2138     if (!QTAILQ_EMPTY(&list->head)) {
2139         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2140     }
2141
2142     if (p == NULL) {
2143         /* Use the default "accelerator", tcg */
2144         p = "tcg";
2145     }
2146
2147     while (!accel_initialised && *p != '\0') {
2148         if (*p == ':') {
2149             p++;
2150         }
2151         p = get_opt_name(buf, sizeof (buf), p, ':');
2152         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2153             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2154                 *(accel_list[i].allowed) = 1;
2155                 ret = accel_list[i].init();
2156                 if (ret < 0) {
2157                     init_failed = 1;
2158                     if (!accel_list[i].available()) {
2159                         printf("%s not supported for this target\n",
2160                                accel_list[i].name);
2161                     } else {
2162                         fprintf(stderr, "failed to initialize %s: %s\n",
2163                                 accel_list[i].name,
2164                                 strerror(-ret));
2165                     }
2166                     *(accel_list[i].allowed) = 0;
2167                 } else {
2168                     accel_initialised = 1;
2169                 }
2170                 break;
2171             }
2172         }
2173         if (i == ARRAY_SIZE(accel_list)) {
2174             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2175         }
2176     }
2177
2178     if (!accel_initialised) {
2179         fprintf(stderr, "No accelerator found!\n");
2180         exit(1);
2181     }
2182
2183     if (init_failed) {
2184         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2185     }
2186
2187     return !accel_initialised;
2188 }
2189
2190 void qemu_add_exit_notifier(Notifier *notify)
2191 {
2192     notifier_list_add(&exit_notifiers, notify);
2193 }
2194
2195 void qemu_remove_exit_notifier(Notifier *notify)
2196 {
2197     notifier_remove(notify);
2198 }
2199
2200 static void qemu_run_exit_notifiers(void)
2201 {
2202     notifier_list_notify(&exit_notifiers, NULL);
2203 }
2204
2205 void qemu_add_machine_init_done_notifier(Notifier *notify)
2206 {
2207     notifier_list_add(&machine_init_done_notifiers, notify);
2208 }
2209
2210 static void qemu_run_machine_init_done_notifiers(void)
2211 {
2212     notifier_list_notify(&machine_init_done_notifiers, NULL);
2213 }
2214
2215 static const QEMUOption *lookup_opt(int argc, char **argv,
2216                                     const char **poptarg, int *poptind)
2217 {
2218     const QEMUOption *popt;
2219     int optind = *poptind;
2220     char *r = argv[optind];
2221     const char *optarg;
2222
2223     loc_set_cmdline(argv, optind, 1);
2224     optind++;
2225     /* Treat --foo the same as -foo.  */
2226     if (r[1] == '-')
2227         r++;
2228     popt = qemu_options;
2229     for(;;) {
2230         if (!popt->name) {
2231             error_report("invalid option");
2232             exit(1);
2233         }
2234         if (!strcmp(popt->name, r + 1))
2235             break;
2236         popt++;
2237     }
2238     if (popt->flags & HAS_ARG) {
2239         if (optind >= argc) {
2240             error_report("requires an argument");
2241             exit(1);
2242         }
2243         optarg = argv[optind++];
2244         loc_set_cmdline(argv, optind - 2, 2);
2245     } else {
2246         optarg = NULL;
2247     }
2248
2249     *poptarg = optarg;
2250     *poptind = optind;
2251
2252     return popt;
2253 }
2254
2255 static gpointer malloc_and_trace(gsize n_bytes)
2256 {
2257     void *ptr = malloc(n_bytes);
2258     trace_g_malloc(n_bytes, ptr);
2259     return ptr;
2260 }
2261
2262 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2263 {
2264     void *ptr = realloc(mem, n_bytes);
2265     trace_g_realloc(mem, n_bytes, ptr);
2266     return ptr;
2267 }
2268
2269 static void free_and_trace(gpointer mem)
2270 {
2271     trace_g_free(mem);
2272     free(mem);
2273 }
2274
2275 int qemu_init_main_loop(void)
2276 {
2277     return main_loop_init();
2278 }
2279
2280 int main(int argc, char **argv, char **envp)
2281 {
2282     int i;
2283     int snapshot, linux_boot;
2284     const char *icount_option = NULL;
2285     const char *initrd_filename;
2286     const char *kernel_filename, *kernel_cmdline;
2287     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2288     DisplayState *ds;
2289     DisplayChangeListener *dcl;
2290     int cyls, heads, secs, translation;
2291     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2292     QemuOptsList *olist;
2293     int optind;
2294     const char *optarg;
2295     const char *loadvm = NULL;
2296     QEMUMachine *machine;
2297     const char *cpu_model;
2298     const char *vga_model = "none";
2299     const char *pid_file = NULL;
2300     const char *incoming = NULL;
2301 #ifdef CONFIG_VNC
2302     int show_vnc_port = 0;
2303 #endif
2304     bool defconfig = true;
2305     bool userconfig = true;
2306     const char *log_mask = NULL;
2307     const char *log_file = NULL;
2308     GMemVTable mem_trace = {
2309         .malloc = malloc_and_trace,
2310         .realloc = realloc_and_trace,
2311         .free = free_and_trace,
2312     };
2313     const char *trace_events = NULL;
2314     const char *trace_file = NULL;
2315
2316     atexit(qemu_run_exit_notifiers);
2317     error_set_progname(argv[0]);
2318
2319     g_mem_set_vtable(&mem_trace);
2320     if (!g_thread_supported()) {
2321 #if !GLIB_CHECK_VERSION(2, 31, 0)
2322         g_thread_init(NULL);
2323 #else
2324         fprintf(stderr, "glib threading failed to initialize.\n");
2325         exit(1);
2326 #endif
2327     }
2328
2329     module_call_init(MODULE_INIT_QOM);
2330
2331     runstate_init();
2332
2333     init_clocks();
2334     rtc_clock = host_clock;
2335
2336     qemu_cache_utils_init(envp);
2337
2338     QLIST_INIT (&vm_change_state_head);
2339     os_setup_early_signal_handling();
2340
2341     module_call_init(MODULE_INIT_MACHINE);
2342     machine = find_default_machine();
2343     cpu_model = NULL;
2344     ram_size = 0;
2345     snapshot = 0;
2346     cyls = heads = secs = 0;
2347     translation = BIOS_ATA_TRANSLATION_AUTO;
2348
2349     for (i = 0; i < MAX_NODES; i++) {
2350         node_mem[i] = 0;
2351         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2352     }
2353
2354     nb_numa_nodes = 0;
2355     nb_nics = 0;
2356
2357     autostart= 1;
2358
2359     /* first pass of option parsing */
2360     optind = 1;
2361     while (optind < argc) {
2362         if (argv[optind][0] != '-') {
2363             /* disk image */
2364             optind++;
2365             continue;
2366         } else {
2367             const QEMUOption *popt;
2368
2369             popt = lookup_opt(argc, argv, &optarg, &optind);
2370             switch (popt->index) {
2371             case QEMU_OPTION_nodefconfig:
2372                 defconfig = false;
2373                 break;
2374             case QEMU_OPTION_nouserconfig:
2375                 userconfig = false;
2376                 break;
2377             }
2378         }
2379     }
2380
2381     if (defconfig) {
2382         int ret;
2383         ret = qemu_read_default_config_files(userconfig);
2384         if (ret < 0) {
2385             exit(1);
2386         }
2387     }
2388
2389     /* second pass of option parsing */
2390     optind = 1;
2391     for(;;) {
2392         if (optind >= argc)
2393             break;
2394         if (argv[optind][0] != '-') {
2395             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2396         } else {
2397             const QEMUOption *popt;
2398
2399             popt = lookup_opt(argc, argv, &optarg, &optind);
2400             if (!(popt->arch_mask & arch_type)) {
2401                 printf("Option %s not supported for this target\n", popt->name);
2402                 exit(1);
2403             }
2404             switch(popt->index) {
2405             case QEMU_OPTION_M:
2406                 machine = machine_parse(optarg);
2407                 break;
2408             case QEMU_OPTION_cpu:
2409                 /* hw initialization will check this */
2410                 cpu_model = optarg;
2411                 break;
2412             case QEMU_OPTION_hda:
2413                 {
2414                     char buf[256];
2415                     if (cyls == 0)
2416                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2417                     else
2418                         snprintf(buf, sizeof(buf),
2419                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2420                                  HD_OPTS , cyls, heads, secs,
2421                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2422                                  ",trans=lba" :
2423                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2424                                  ",trans=none" : "");
2425                     drive_add(IF_DEFAULT, 0, optarg, buf);
2426                     break;
2427                 }
2428             case QEMU_OPTION_hdb:
2429             case QEMU_OPTION_hdc:
2430             case QEMU_OPTION_hdd:
2431                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2432                           HD_OPTS);
2433                 break;
2434             case QEMU_OPTION_drive:
2435                 if (drive_def(optarg) == NULL) {
2436                     exit(1);
2437                 }
2438                 break;
2439             case QEMU_OPTION_set:
2440                 if (qemu_set_option(optarg) != 0)
2441                     exit(1);
2442                 break;
2443             case QEMU_OPTION_global:
2444                 if (qemu_global_option(optarg) != 0)
2445                     exit(1);
2446                 break;
2447             case QEMU_OPTION_mtdblock:
2448                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2449                 break;
2450             case QEMU_OPTION_sd:
2451                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2452                 break;
2453             case QEMU_OPTION_pflash:
2454                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2455                 break;
2456             case QEMU_OPTION_snapshot:
2457                 snapshot = 1;
2458                 break;
2459             case QEMU_OPTION_hdachs:
2460                 {
2461                     const char *p;
2462                     p = optarg;
2463                     cyls = strtol(p, (char **)&p, 0);
2464                     if (cyls < 1 || cyls > 16383)
2465                         goto chs_fail;
2466                     if (*p != ',')
2467                         goto chs_fail;
2468                     p++;
2469                     heads = strtol(p, (char **)&p, 0);
2470                     if (heads < 1 || heads > 16)
2471                         goto chs_fail;
2472                     if (*p != ',')
2473                         goto chs_fail;
2474                     p++;
2475                     secs = strtol(p, (char **)&p, 0);
2476                     if (secs < 1 || secs > 63)
2477                         goto chs_fail;
2478                     if (*p == ',') {
2479                         p++;
2480                         if (!strcmp(p, "none"))
2481                             translation = BIOS_ATA_TRANSLATION_NONE;
2482                         else if (!strcmp(p, "lba"))
2483                             translation = BIOS_ATA_TRANSLATION_LBA;
2484                         else if (!strcmp(p, "auto"))
2485                             translation = BIOS_ATA_TRANSLATION_AUTO;
2486                         else
2487                             goto chs_fail;
2488                     } else if (*p != '\0') {
2489                     chs_fail:
2490                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2491                         exit(1);
2492                     }
2493                     if (hda_opts != NULL) {
2494                         char num[16];
2495                         snprintf(num, sizeof(num), "%d", cyls);
2496                         qemu_opt_set(hda_opts, "cyls", num);
2497                         snprintf(num, sizeof(num), "%d", heads);
2498                         qemu_opt_set(hda_opts, "heads", num);
2499                         snprintf(num, sizeof(num), "%d", secs);
2500                         qemu_opt_set(hda_opts, "secs", num);
2501                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2502                             qemu_opt_set(hda_opts, "trans", "lba");
2503                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2504                             qemu_opt_set(hda_opts, "trans", "none");
2505                     }
2506                 }
2507                 break;
2508             case QEMU_OPTION_numa:
2509                 if (nb_numa_nodes >= MAX_NODES) {
2510                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2511                     exit(1);
2512                 }
2513                 numa_add(optarg);
2514                 break;
2515             case QEMU_OPTION_display:
2516                 display_type = select_display(optarg);
2517                 break;
2518             case QEMU_OPTION_nographic:
2519                 display_type = DT_NOGRAPHIC;
2520                 break;
2521             case QEMU_OPTION_curses:
2522 #ifdef CONFIG_CURSES
2523                 display_type = DT_CURSES;
2524 #else
2525                 fprintf(stderr, "Curses support is disabled\n");
2526                 exit(1);
2527 #endif
2528                 break;
2529             case QEMU_OPTION_portrait:
2530                 graphic_rotate = 90;
2531                 break;
2532             case QEMU_OPTION_rotate:
2533                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2534                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2535                     graphic_rotate != 180 && graphic_rotate != 270) {
2536                     fprintf(stderr,
2537                         "qemu: only 90, 180, 270 deg rotation is available\n");
2538                     exit(1);
2539                 }
2540                 break;
2541             case QEMU_OPTION_kernel:
2542                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2543                 break;
2544             case QEMU_OPTION_initrd:
2545                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2546                 break;
2547             case QEMU_OPTION_append:
2548                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2549                 break;
2550             case QEMU_OPTION_dtb:
2551                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2552                 break;
2553             case QEMU_OPTION_cdrom:
2554                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2555                 break;
2556             case QEMU_OPTION_boot:
2557                 {
2558                     static const char * const params[] = {
2559                         "order", "once", "menu",
2560                         "splash", "splash-time", NULL
2561                     };
2562                     char buf[sizeof(boot_devices)];
2563                     char *standard_boot_devices;
2564                     int legacy = 0;
2565
2566                     if (!strchr(optarg, '=')) {
2567                         legacy = 1;
2568                         pstrcpy(buf, sizeof(buf), optarg);
2569                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2570                         fprintf(stderr,
2571                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2572                                 buf, optarg);
2573                         exit(1);
2574                     }
2575
2576                     if (legacy ||
2577                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2578                         validate_bootdevices(buf);
2579                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2580                     }
2581                     if (!legacy) {
2582                         if (get_param_value(buf, sizeof(buf),
2583                                             "once", optarg)) {
2584                             validate_bootdevices(buf);
2585                             standard_boot_devices = g_strdup(boot_devices);
2586                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2587                             qemu_register_reset(restore_boot_devices,
2588                                                 standard_boot_devices);
2589                         }
2590                         if (get_param_value(buf, sizeof(buf),
2591                                             "menu", optarg)) {
2592                             if (!strcmp(buf, "on")) {
2593                                 boot_menu = 1;
2594                             } else if (!strcmp(buf, "off")) {
2595                                 boot_menu = 0;
2596                             } else {
2597                                 fprintf(stderr,
2598                                         "qemu: invalid option value '%s'\n",
2599                                         buf);
2600                                 exit(1);
2601                             }
2602                         }
2603                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2604                                         optarg, 0);
2605                     }
2606                 }
2607                 break;
2608             case QEMU_OPTION_fda:
2609             case QEMU_OPTION_fdb:
2610                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2611                           optarg, FD_OPTS);
2612                 break;
2613             case QEMU_OPTION_no_fd_bootchk:
2614                 fd_bootchk = 0;
2615                 break;
2616             case QEMU_OPTION_netdev:
2617                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2618                     exit(1);
2619                 }
2620                 break;
2621             case QEMU_OPTION_net:
2622                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2623                     exit(1);
2624                 }
2625                 break;
2626 #ifdef CONFIG_LIBISCSI
2627             case QEMU_OPTION_iscsi:
2628                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2629                 if (!opts) {
2630                     exit(1);
2631                 }
2632                 break;
2633 #endif
2634 #ifdef CONFIG_SLIRP
2635             case QEMU_OPTION_tftp:
2636                 legacy_tftp_prefix = optarg;
2637                 break;
2638             case QEMU_OPTION_bootp:
2639                 legacy_bootp_filename = optarg;
2640                 break;
2641             case QEMU_OPTION_redir:
2642                 if (net_slirp_redir(optarg) < 0)
2643                     exit(1);
2644                 break;
2645 #endif
2646             case QEMU_OPTION_bt:
2647                 add_device_config(DEV_BT, optarg);
2648                 break;
2649             case QEMU_OPTION_audio_help:
2650                 if (!(audio_available())) {
2651                     printf("Option %s not supported for this target\n", popt->name);
2652                     exit(1);
2653                 }
2654                 AUD_help ();
2655                 exit (0);
2656                 break;
2657             case QEMU_OPTION_soundhw:
2658                 if (!(audio_available())) {
2659                     printf("Option %s not supported for this target\n", popt->name);
2660                     exit(1);
2661                 }
2662                 select_soundhw (optarg);
2663                 break;
2664             case QEMU_OPTION_h:
2665                 help(0);
2666                 break;
2667             case QEMU_OPTION_version:
2668                 version();
2669                 exit(0);
2670                 break;
2671             case QEMU_OPTION_m: {
2672                 int64_t value;
2673                 char *end;
2674
2675                 value = strtosz(optarg, &end);
2676                 if (value < 0 || *end) {
2677                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2678                     exit(1);
2679                 }
2680
2681                 if (value != (uint64_t)(ram_addr_t)value) {
2682                     fprintf(stderr, "qemu: ram size too large\n");
2683                     exit(1);
2684                 }
2685                 ram_size = value;
2686                 break;
2687             }
2688             case QEMU_OPTION_mempath:
2689                 mem_path = optarg;
2690                 break;
2691 #ifdef MAP_POPULATE
2692             case QEMU_OPTION_mem_prealloc:
2693                 mem_prealloc = 1;
2694                 break;
2695 #endif
2696             case QEMU_OPTION_d:
2697                 log_mask = optarg;
2698                 break;
2699             case QEMU_OPTION_D:
2700                 log_file = optarg;
2701                 break;
2702             case QEMU_OPTION_s:
2703                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2704                 break;
2705             case QEMU_OPTION_gdb:
2706                 add_device_config(DEV_GDB, optarg);
2707                 break;
2708             case QEMU_OPTION_L:
2709                 data_dir = optarg;
2710                 break;
2711             case QEMU_OPTION_bios:
2712                 bios_name = optarg;
2713                 break;
2714             case QEMU_OPTION_singlestep:
2715                 singlestep = 1;
2716                 break;
2717             case QEMU_OPTION_S:
2718                 autostart = 0;
2719                 break;
2720             case QEMU_OPTION_k:
2721                 keyboard_layout = optarg;
2722                 break;
2723             case QEMU_OPTION_localtime:
2724                 rtc_utc = 0;
2725                 break;
2726             case QEMU_OPTION_vga:
2727                 vga_model = optarg;
2728                 default_vga = 0;
2729                 break;
2730             case QEMU_OPTION_g:
2731                 {
2732                     const char *p;
2733                     int w, h, depth;
2734                     p = optarg;
2735                     w = strtol(p, (char **)&p, 10);
2736                     if (w <= 0) {
2737                     graphic_error:
2738                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2739                         exit(1);
2740                     }
2741                     if (*p != 'x')
2742                         goto graphic_error;
2743                     p++;
2744                     h = strtol(p, (char **)&p, 10);
2745                     if (h <= 0)
2746                         goto graphic_error;
2747                     if (*p == 'x') {
2748                         p++;
2749                         depth = strtol(p, (char **)&p, 10);
2750                         if (depth != 8 && depth != 15 && depth != 16 &&
2751                             depth != 24 && depth != 32)
2752                             goto graphic_error;
2753                     } else if (*p == '\0') {
2754                         depth = graphic_depth;
2755                     } else {
2756                         goto graphic_error;
2757                     }
2758
2759                     graphic_width = w;
2760                     graphic_height = h;
2761                     graphic_depth = depth;
2762                 }
2763                 break;
2764             case QEMU_OPTION_echr:
2765                 {
2766                     char *r;
2767                     term_escape_char = strtol(optarg, &r, 0);
2768                     if (r == optarg)
2769                         printf("Bad argument to echr\n");
2770                     break;
2771                 }
2772             case QEMU_OPTION_monitor:
2773                 monitor_parse(optarg, "readline");
2774                 default_monitor = 0;
2775                 break;
2776             case QEMU_OPTION_qmp:
2777                 monitor_parse(optarg, "control");
2778                 default_monitor = 0;
2779                 break;
2780             case QEMU_OPTION_mon:
2781                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2782                 if (!opts) {
2783                     exit(1);
2784                 }
2785                 default_monitor = 0;
2786                 break;
2787             case QEMU_OPTION_chardev:
2788                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2789                 if (!opts) {
2790                     exit(1);
2791                 }
2792                 break;
2793             case QEMU_OPTION_fsdev:
2794                 olist = qemu_find_opts("fsdev");
2795                 if (!olist) {
2796                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2797                     exit(1);
2798                 }
2799                 opts = qemu_opts_parse(olist, optarg, 1);
2800                 if (!opts) {
2801                     fprintf(stderr, "parse error: %s\n", optarg);
2802                     exit(1);
2803                 }
2804                 break;
2805             case QEMU_OPTION_virtfs: {
2806                 QemuOpts *fsdev;
2807                 QemuOpts *device;
2808                 const char *writeout, *sock_fd, *socket;
2809
2810                 olist = qemu_find_opts("virtfs");
2811                 if (!olist) {
2812                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2813                     exit(1);
2814                 }
2815                 opts = qemu_opts_parse(olist, optarg, 1);
2816                 if (!opts) {
2817                     fprintf(stderr, "parse error: %s\n", optarg);
2818                     exit(1);
2819                 }
2820
2821                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2822                     qemu_opt_get(opts, "mount_tag") == NULL) {
2823                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2824                     exit(1);
2825                 }
2826                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2827                                          qemu_opt_get(opts, "mount_tag"),
2828                                          1, NULL);
2829                 if (!fsdev) {
2830                     fprintf(stderr, "duplicate fsdev id: %s\n",
2831                             qemu_opt_get(opts, "mount_tag"));
2832                     exit(1);
2833                 }
2834
2835                 writeout = qemu_opt_get(opts, "writeout");
2836                 if (writeout) {
2837 #ifdef CONFIG_SYNC_FILE_RANGE
2838                     qemu_opt_set(fsdev, "writeout", writeout);
2839 #else
2840                     fprintf(stderr, "writeout=immediate not supported on "
2841                             "this platform\n");
2842                     exit(1);
2843 #endif
2844                 }
2845                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2846                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2847                 qemu_opt_set(fsdev, "security_model",
2848                              qemu_opt_get(opts, "security_model"));
2849                 socket = qemu_opt_get(opts, "socket");
2850                 if (socket) {
2851                     qemu_opt_set(fsdev, "socket", socket);
2852                 }
2853                 sock_fd = qemu_opt_get(opts, "sock_fd");
2854                 if (sock_fd) {
2855                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2856                 }
2857
2858                 qemu_opt_set_bool(fsdev, "readonly",
2859                                 qemu_opt_get_bool(opts, "readonly", 0));
2860                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2861                                           NULL);
2862                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2863                 qemu_opt_set(device, "fsdev",
2864                              qemu_opt_get(opts, "mount_tag"));
2865                 qemu_opt_set(device, "mount_tag",
2866                              qemu_opt_get(opts, "mount_tag"));
2867                 break;
2868             }
2869             case QEMU_OPTION_virtfs_synth: {
2870                 QemuOpts *fsdev;
2871                 QemuOpts *device;
2872
2873                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2874                                          1, NULL);
2875                 if (!fsdev) {
2876                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2877                     exit(1);
2878                 }
2879                 qemu_opt_set(fsdev, "fsdriver", "synth");
2880
2881                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2882                                           NULL);
2883                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2884                 qemu_opt_set(device, "fsdev", "v_synth");
2885                 qemu_opt_set(device, "mount_tag", "v_synth");
2886                 break;
2887             }
2888             case QEMU_OPTION_serial:
2889                 add_device_config(DEV_SERIAL, optarg);
2890                 default_serial = 0;
2891                 if (strncmp(optarg, "mon:", 4) == 0) {
2892                     default_monitor = 0;
2893                 }
2894                 break;
2895             case QEMU_OPTION_watchdog:
2896                 if (watchdog) {
2897                     fprintf(stderr,
2898                             "qemu: only one watchdog option may be given\n");
2899                     return 1;
2900                 }
2901                 watchdog = optarg;
2902                 break;
2903             case QEMU_OPTION_watchdog_action:
2904                 if (select_watchdog_action(optarg) == -1) {
2905                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2906                     exit(1);
2907                 }
2908                 break;
2909             case QEMU_OPTION_virtiocon:
2910                 add_device_config(DEV_VIRTCON, optarg);
2911                 default_virtcon = 0;
2912                 if (strncmp(optarg, "mon:", 4) == 0) {
2913                     default_monitor = 0;
2914                 }
2915                 break;
2916             case QEMU_OPTION_parallel:
2917                 add_device_config(DEV_PARALLEL, optarg);
2918                 default_parallel = 0;
2919                 if (strncmp(optarg, "mon:", 4) == 0) {
2920                     default_monitor = 0;
2921                 }
2922                 break;
2923             case QEMU_OPTION_debugcon:
2924                 add_device_config(DEV_DEBUGCON, optarg);
2925                 break;
2926             case QEMU_OPTION_loadvm:
2927                 loadvm = optarg;
2928                 break;
2929             case QEMU_OPTION_full_screen:
2930                 full_screen = 1;
2931                 break;
2932 #ifdef CONFIG_SDL
2933             case QEMU_OPTION_no_frame:
2934                 no_frame = 1;
2935                 break;
2936             case QEMU_OPTION_alt_grab:
2937                 alt_grab = 1;
2938                 break;
2939             case QEMU_OPTION_ctrl_grab:
2940                 ctrl_grab = 1;
2941                 break;
2942             case QEMU_OPTION_no_quit:
2943                 no_quit = 1;
2944                 break;
2945             case QEMU_OPTION_sdl:
2946                 display_type = DT_SDL;
2947                 break;
2948 #else
2949             case QEMU_OPTION_no_frame:
2950             case QEMU_OPTION_alt_grab:
2951             case QEMU_OPTION_ctrl_grab:
2952             case QEMU_OPTION_no_quit:
2953             case QEMU_OPTION_sdl:
2954                 fprintf(stderr, "SDL support is disabled\n");
2955                 exit(1);
2956 #endif
2957             case QEMU_OPTION_pidfile:
2958                 pid_file = optarg;
2959                 break;
2960             case QEMU_OPTION_win2k_hack:
2961                 win2k_install_hack = 1;
2962                 break;
2963             case QEMU_OPTION_rtc_td_hack: {
2964                 static GlobalProperty slew_lost_ticks[] = {
2965                     {
2966                         .driver   = "mc146818rtc",
2967                         .property = "lost_tick_policy",
2968                         .value    = "slew",
2969                     },
2970                     { /* end of list */ }
2971                 };
2972
2973                 qdev_prop_register_global_list(slew_lost_ticks);
2974                 break;
2975             }
2976             case QEMU_OPTION_acpitable:
2977                 do_acpitable_option(optarg);
2978                 break;
2979             case QEMU_OPTION_smbios:
2980                 do_smbios_option(optarg);
2981                 break;
2982             case QEMU_OPTION_enable_kvm:
2983                 olist = qemu_find_opts("machine");
2984                 qemu_opts_parse(olist, "accel=kvm", 0);
2985                 break;
2986             case QEMU_OPTION_machine:
2987                 olist = qemu_find_opts("machine");
2988                 opts = qemu_opts_parse(olist, optarg, 1);
2989                 if (!opts) {
2990                     fprintf(stderr, "parse error: %s\n", optarg);
2991                     exit(1);
2992                 }
2993                 optarg = qemu_opt_get(opts, "type");
2994                 if (optarg) {
2995                     machine = machine_parse(optarg);
2996                 }
2997                 break;
2998             case QEMU_OPTION_usb:
2999                 usb_enabled = 1;
3000                 break;
3001             case QEMU_OPTION_usbdevice:
3002                 usb_enabled = 1;
3003                 add_device_config(DEV_USB, optarg);
3004                 break;
3005             case QEMU_OPTION_device:
3006                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3007                     exit(1);
3008                 }
3009                 break;
3010             case QEMU_OPTION_smp:
3011                 smp_parse(optarg);
3012                 if (smp_cpus < 1) {
3013                     fprintf(stderr, "Invalid number of CPUs\n");
3014                     exit(1);
3015                 }
3016                 if (max_cpus < smp_cpus) {
3017                     fprintf(stderr, "maxcpus must be equal to or greater than "
3018                             "smp\n");
3019                     exit(1);
3020                 }
3021                 if (max_cpus > 255) {
3022                     fprintf(stderr, "Unsupported number of maxcpus\n");
3023                     exit(1);
3024                 }
3025                 break;
3026             case QEMU_OPTION_vnc:
3027 #ifdef CONFIG_VNC
3028                 display_remote++;
3029                 vnc_display = optarg;
3030 #else
3031                 fprintf(stderr, "VNC support is disabled\n");
3032                 exit(1);
3033 #endif
3034                 break;
3035             case QEMU_OPTION_no_acpi:
3036                 acpi_enabled = 0;
3037                 break;
3038             case QEMU_OPTION_no_hpet:
3039                 no_hpet = 1;
3040                 break;
3041             case QEMU_OPTION_balloon:
3042                 if (balloon_parse(optarg) < 0) {
3043                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3044                     exit(1);
3045                 }
3046                 break;
3047             case QEMU_OPTION_no_reboot:
3048                 no_reboot = 1;
3049                 break;
3050             case QEMU_OPTION_no_shutdown:
3051                 no_shutdown = 1;
3052                 break;
3053             case QEMU_OPTION_show_cursor:
3054                 cursor_hide = 0;
3055                 break;
3056             case QEMU_OPTION_uuid:
3057                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3058                     fprintf(stderr, "Fail to parse UUID string."
3059                             " Wrong format.\n");
3060                     exit(1);
3061                 }
3062                 break;
3063             case QEMU_OPTION_option_rom:
3064                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3065                     fprintf(stderr, "Too many option ROMs\n");
3066                     exit(1);
3067                 }
3068                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3069                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3070                 option_rom[nb_option_roms].bootindex =
3071                     qemu_opt_get_number(opts, "bootindex", -1);
3072                 if (!option_rom[nb_option_roms].name) {
3073                     fprintf(stderr, "Option ROM file is not specified\n");
3074                     exit(1);
3075                 }
3076                 nb_option_roms++;
3077                 break;
3078             case QEMU_OPTION_semihosting:
3079                 semihosting_enabled = 1;
3080                 break;
3081             case QEMU_OPTION_name:
3082                 qemu_name = g_strdup(optarg);
3083                  {
3084                      char *p = strchr(qemu_name, ',');
3085                      if (p != NULL) {
3086                         *p++ = 0;
3087                         if (strncmp(p, "process=", 8)) {
3088                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3089                             exit(1);
3090                         }
3091                         p += 8;
3092                         os_set_proc_name(p);
3093                      }
3094                  }
3095                 break;
3096             case QEMU_OPTION_prom_env:
3097                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3098                     fprintf(stderr, "Too many prom variables\n");
3099                     exit(1);
3100                 }
3101                 prom_envs[nb_prom_envs] = optarg;
3102                 nb_prom_envs++;
3103                 break;
3104             case QEMU_OPTION_old_param:
3105                 old_param = 1;
3106                 break;
3107             case QEMU_OPTION_clock:
3108                 configure_alarms(optarg);
3109                 break;
3110             case QEMU_OPTION_startdate:
3111                 configure_rtc_date_offset(optarg, 1);
3112                 break;
3113             case QEMU_OPTION_rtc:
3114                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3115                 if (!opts) {
3116                     exit(1);
3117                 }
3118                 configure_rtc(opts);
3119                 break;
3120             case QEMU_OPTION_tb_size:
3121                 tcg_tb_size = strtol(optarg, NULL, 0);
3122                 if (tcg_tb_size < 0) {
3123                     tcg_tb_size = 0;
3124                 }
3125                 break;
3126             case QEMU_OPTION_icount:
3127                 icount_option = optarg;
3128                 break;
3129             case QEMU_OPTION_incoming:
3130                 incoming = optarg;
3131                 runstate_set(RUN_STATE_INMIGRATE);
3132                 break;
3133             case QEMU_OPTION_nodefaults:
3134                 default_serial = 0;
3135                 default_parallel = 0;
3136                 default_virtcon = 0;
3137                 default_monitor = 0;
3138                 default_net = 0;
3139                 default_floppy = 0;
3140                 default_cdrom = 0;
3141                 default_sdcard = 0;
3142                 default_vga = 0;
3143                 break;
3144             case QEMU_OPTION_xen_domid:
3145                 if (!(xen_available())) {
3146                     printf("Option %s not supported for this target\n", popt->name);
3147                     exit(1);
3148                 }
3149                 xen_domid = atoi(optarg);
3150                 break;
3151             case QEMU_OPTION_xen_create:
3152                 if (!(xen_available())) {
3153                     printf("Option %s not supported for this target\n", popt->name);
3154                     exit(1);
3155                 }
3156                 xen_mode = XEN_CREATE;
3157                 break;
3158             case QEMU_OPTION_xen_attach:
3159                 if (!(xen_available())) {
3160                     printf("Option %s not supported for this target\n", popt->name);
3161                     exit(1);
3162                 }
3163                 xen_mode = XEN_ATTACH;
3164                 break;
3165             case QEMU_OPTION_trace:
3166             {
3167                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3168                 if (!opts) {
3169                     exit(1);
3170                 }
3171                 trace_events = qemu_opt_get(opts, "events");
3172                 trace_file = qemu_opt_get(opts, "file");
3173                 break;
3174             }
3175             case QEMU_OPTION_readconfig:
3176                 {
3177                     int ret = qemu_read_config_file(optarg);
3178                     if (ret < 0) {
3179                         fprintf(stderr, "read config %s: %s\n", optarg,
3180                             strerror(-ret));
3181                         exit(1);
3182                     }
3183                     break;
3184                 }
3185             case QEMU_OPTION_spice:
3186                 olist = qemu_find_opts("spice");
3187                 if (!olist) {
3188                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3189                     exit(1);
3190                 }
3191                 opts = qemu_opts_parse(olist, optarg, 0);
3192                 if (!opts) {
3193                     fprintf(stderr, "parse error: %s\n", optarg);
3194                     exit(1);
3195                 }
3196                 break;
3197             case QEMU_OPTION_writeconfig:
3198                 {
3199                     FILE *fp;
3200                     if (strcmp(optarg, "-") == 0) {
3201                         fp = stdout;
3202                     } else {
3203                         fp = fopen(optarg, "w");
3204                         if (fp == NULL) {
3205                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3206                             exit(1);
3207                         }
3208                     }
3209                     qemu_config_write(fp);
3210                     fclose(fp);
3211                     break;
3212                 }
3213             case QEMU_OPTION_qtest:
3214                 qtest_chrdev = optarg;
3215                 break;
3216             case QEMU_OPTION_qtest_log:
3217                 qtest_log = optarg;
3218                 break;
3219             default:
3220                 os_parse_cmd_args(popt->index, optarg);
3221             }
3222         }
3223     }
3224     loc_set_none();
3225
3226     if (machine == NULL) {
3227         fprintf(stderr, "No machine found.\n");
3228         exit(1);
3229     }
3230
3231     if (machine->hw_version) {
3232         qemu_set_version(machine->hw_version);
3233     }
3234
3235     /* Init CPU def lists, based on config
3236      * - Must be called after all the qemu_read_config_file() calls
3237      * - Must be called before list_cpus()
3238      * - Must be called before machine->init()
3239      */
3240     cpudef_init();
3241
3242     if (cpu_model && is_help_option(cpu_model)) {
3243         list_cpus(stdout, &fprintf, cpu_model);
3244         exit(0);
3245     }
3246
3247     /* Open the logfile at this point, if necessary. We can't open the logfile
3248      * when encountering either of the logging options (-d or -D) because the
3249      * other one may be encountered later on the command line, changing the
3250      * location or level of logging.
3251      */
3252     if (log_mask) {
3253         if (log_file) {
3254             set_cpu_log_filename(log_file);
3255         }
3256         set_cpu_log(log_mask);
3257     }
3258
3259     if (!trace_backend_init(trace_events, trace_file)) {
3260         exit(1);
3261     }
3262
3263     /* If no data_dir is specified then try to find it relative to the
3264        executable path.  */
3265     if (!data_dir) {
3266         data_dir = os_find_datadir(argv[0]);
3267     }
3268     /* If all else fails use the install path specified when building. */
3269     if (!data_dir) {
3270         data_dir = CONFIG_QEMU_DATADIR;
3271     }
3272
3273     /*
3274      * Default to max_cpus = smp_cpus, in case the user doesn't
3275      * specify a max_cpus value.
3276      */
3277     if (!max_cpus)
3278         max_cpus = smp_cpus;
3279
3280     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3281     if (smp_cpus > machine->max_cpus) {
3282         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3283                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3284                 machine->max_cpus);
3285         exit(1);
3286     }
3287
3288     /*
3289      * Get the default machine options from the machine if it is not already
3290      * specified either by the configuration file or by the command line.
3291      */
3292     if (machine->default_machine_opts) {
3293         qemu_opts_set_defaults(qemu_find_opts("machine"),
3294                                machine->default_machine_opts, 0);
3295     }
3296
3297     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3298     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3299
3300     if (machine->no_serial) {
3301         default_serial = 0;
3302     }
3303     if (machine->no_parallel) {
3304         default_parallel = 0;
3305     }
3306     if (!machine->use_virtcon) {
3307         default_virtcon = 0;
3308     }
3309     if (machine->no_floppy) {
3310         default_floppy = 0;
3311     }
3312     if (machine->no_cdrom) {
3313         default_cdrom = 0;
3314     }
3315     if (machine->no_sdcard) {
3316         default_sdcard = 0;
3317     }
3318
3319     if (display_type == DT_NOGRAPHIC) {
3320         if (default_parallel)
3321             add_device_config(DEV_PARALLEL, "null");
3322         if (default_serial && default_monitor) {
3323             add_device_config(DEV_SERIAL, "mon:stdio");
3324         } else if (default_virtcon && default_monitor) {
3325             add_device_config(DEV_VIRTCON, "mon:stdio");
3326         } else {
3327             if (default_serial)
3328                 add_device_config(DEV_SERIAL, "stdio");
3329             if (default_virtcon)
3330                 add_device_config(DEV_VIRTCON, "stdio");
3331             if (default_monitor)
3332                 monitor_parse("stdio", "readline");
3333         }
3334     } else {
3335         if (default_serial)
3336             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3337         if (default_parallel)
3338             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3339         if (default_monitor)
3340             monitor_parse("vc:80Cx24C", "readline");
3341         if (default_virtcon)
3342             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3343     }
3344
3345     socket_init();
3346
3347     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3348         exit(1);
3349 #ifdef CONFIG_VIRTFS
3350     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3351         exit(1);
3352     }
3353 #endif
3354
3355     os_daemonize();
3356
3357     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3358         os_pidfile_error();
3359         exit(1);
3360     }
3361
3362     /* init the memory */
3363     if (ram_size == 0) {
3364         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3365     }
3366
3367     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3368         != 0) {
3369         exit(0);
3370     }
3371
3372     configure_accelerator();
3373
3374     qemu_init_cpu_loop();
3375     if (qemu_init_main_loop()) {
3376         fprintf(stderr, "qemu_init_main_loop failed\n");
3377         exit(1);
3378     }
3379
3380     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3381     if (machine_opts) {
3382         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3383         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3384         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3385     } else {
3386         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3387     }
3388
3389     if (!kernel_cmdline) {
3390         kernel_cmdline = "";
3391     }
3392
3393     linux_boot = (kernel_filename != NULL);
3394
3395     if (!linux_boot && *kernel_cmdline != '\0') {
3396         fprintf(stderr, "-append only allowed with -kernel option\n");
3397         exit(1);
3398     }
3399
3400     if (!linux_boot && initrd_filename != NULL) {
3401         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3402         exit(1);
3403     }
3404
3405     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3406         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3407         exit(1);
3408     }
3409
3410     os_set_line_buffering();
3411
3412     if (init_timer_alarm() < 0) {
3413         fprintf(stderr, "could not initialize alarm timer\n");
3414         exit(1);
3415     }
3416
3417 #ifdef CONFIG_SPICE
3418     /* spice needs the timers to be initialized by this point */
3419     qemu_spice_init();
3420 #endif
3421
3422     if (icount_option && (kvm_enabled() || xen_enabled())) {
3423         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3424         exit(1);
3425     }
3426     configure_icount(icount_option);
3427
3428     if (net_init_clients() < 0) {
3429         exit(1);
3430     }
3431
3432     /* init the bluetooth world */
3433     if (foreach_device_config(DEV_BT, bt_parse))
3434         exit(1);
3435
3436     if (!xen_enabled()) {
3437         /* On 32-bit hosts, QEMU is limited by virtual address space */
3438         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3439             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3440             exit(1);
3441         }
3442     }
3443
3444     cpu_exec_init_all();
3445
3446     bdrv_init_with_whitelist();
3447
3448     blk_mig_init();
3449
3450     /* open the virtual block devices */
3451     if (snapshot)
3452         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3453     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3454         exit(1);
3455
3456     default_drive(default_cdrom, snapshot, machine->use_scsi,
3457                   IF_DEFAULT, 2, CDROM_OPTS);
3458     default_drive(default_floppy, snapshot, machine->use_scsi,
3459                   IF_FLOPPY, 0, FD_OPTS);
3460     default_drive(default_sdcard, snapshot, machine->use_scsi,
3461                   IF_SD, 0, SD_OPTS);
3462
3463     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3464
3465     if (nb_numa_nodes > 0) {
3466         int i;
3467
3468         if (nb_numa_nodes > MAX_NODES) {
3469             nb_numa_nodes = MAX_NODES;
3470         }
3471
3472         /* If no memory size if given for any node, assume the default case
3473          * and distribute the available memory equally across all nodes
3474          */
3475         for (i = 0; i < nb_numa_nodes; i++) {
3476             if (node_mem[i] != 0)
3477                 break;
3478         }
3479         if (i == nb_numa_nodes) {
3480             uint64_t usedmem = 0;
3481
3482             /* On Linux, the each node's border has to be 8MB aligned,
3483              * the final node gets the rest.
3484              */
3485             for (i = 0; i < nb_numa_nodes - 1; i++) {
3486                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3487                 usedmem += node_mem[i];
3488             }
3489             node_mem[i] = ram_size - usedmem;
3490         }
3491
3492         for (i = 0; i < nb_numa_nodes; i++) {
3493             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3494                 break;
3495             }
3496         }
3497         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3498          * must cope with this anyway, because there are BIOSes out there in
3499          * real machines which also use this scheme.
3500          */
3501         if (i == nb_numa_nodes) {
3502             for (i = 0; i < max_cpus; i++) {
3503                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3504             }
3505         }
3506     }
3507
3508     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3509         exit(1);
3510     }
3511
3512     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3513         exit(1);
3514     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3515         exit(1);
3516     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3517         exit(1);
3518     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3519         exit(1);
3520
3521     /* If no default VGA is requested, the default is "none".  */
3522     if (default_vga && cirrus_vga_available()) {
3523         vga_model = "cirrus";
3524     }
3525     select_vgahw(vga_model);
3526
3527     if (watchdog) {
3528         i = select_watchdog(watchdog);
3529         if (i > 0)
3530             exit (i == 1 ? 1 : 0);
3531     }
3532
3533     if (machine->compat_props) {
3534         qdev_prop_register_global_list(machine->compat_props);
3535     }
3536     qemu_add_globals();
3537
3538     qdev_machine_init();
3539
3540     machine->init(ram_size, boot_devices,
3541                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3542
3543     cpu_synchronize_all_post_init();
3544
3545     set_numa_modes();
3546
3547     current_machine = machine;
3548
3549     /* init USB devices */
3550     if (usb_enabled) {
3551         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3552             exit(1);
3553     }
3554
3555     /* init generic devices */
3556     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3557         exit(1);
3558
3559     net_check_clients();
3560
3561     /* just use the first displaystate for the moment */
3562     ds = get_displaystate();
3563
3564     if (using_spice)
3565         display_remote++;
3566     if (display_type == DT_DEFAULT && !display_remote) {
3567 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3568         display_type = DT_SDL;
3569 #elif defined(CONFIG_VNC)
3570         vnc_display = "localhost:0,to=99";
3571         show_vnc_port = 1;
3572 #else
3573         display_type = DT_NONE;
3574 #endif
3575     }
3576
3577
3578     /* init local displays */
3579     switch (display_type) {
3580     case DT_NOGRAPHIC:
3581         break;
3582 #if defined(CONFIG_CURSES)
3583     case DT_CURSES:
3584         curses_display_init(ds, full_screen);
3585         break;
3586 #endif
3587 #if defined(CONFIG_SDL)
3588     case DT_SDL:
3589         sdl_display_init(ds, full_screen, no_frame);
3590         break;
3591 #elif defined(CONFIG_COCOA)
3592     case DT_SDL:
3593         cocoa_display_init(ds, full_screen);
3594         break;
3595 #endif
3596     default:
3597         break;
3598     }
3599
3600     /* must be after terminal init, SDL library changes signal handlers */
3601     os_setup_signal_handling();
3602
3603 #ifdef CONFIG_VNC
3604     /* init remote displays */
3605     if (vnc_display) {
3606         vnc_display_init(ds);
3607         if (vnc_display_open(ds, vnc_display) < 0) {
3608             fprintf(stderr, "Failed to start VNC server on `%s'\n",
3609                     vnc_display);
3610             exit(1);
3611         }
3612
3613         if (show_vnc_port) {
3614             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3615         }
3616     }
3617 #endif
3618 #ifdef CONFIG_SPICE
3619     if (using_spice && !qxl_enabled) {
3620         qemu_spice_display_init(ds);
3621     }
3622 #endif
3623
3624     /* display setup */
3625     dpy_resize(ds);
3626     dcl = ds->listeners;
3627     while (dcl != NULL) {
3628         if (dcl->dpy_refresh != NULL) {
3629             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3630             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3631             break;
3632         }
3633         dcl = dcl->next;
3634     }
3635     text_consoles_set_display(ds);
3636
3637     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3638         exit(1);
3639     }
3640
3641     qdev_machine_creation_done();
3642
3643     if (rom_load_all() != 0) {
3644         fprintf(stderr, "rom loading failed\n");
3645         exit(1);
3646     }
3647
3648     /* TODO: once all bus devices are qdevified, this should be done
3649      * when bus is created by qdev.c */
3650     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3651     qemu_run_machine_init_done_notifiers();
3652
3653     qemu_system_reset(VMRESET_SILENT);
3654     if (loadvm) {
3655         if (load_vmstate(loadvm) < 0) {
3656             autostart = 0;
3657         }
3658     }
3659
3660     if (incoming) {
3661         Error *errp = NULL;
3662         int ret = qemu_start_incoming_migration(incoming, &errp);
3663         if (ret < 0) {
3664             if (error_is_set(&errp)) {
3665                 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3666                 error_free(errp);
3667             }
3668             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3669                     incoming, ret);
3670             exit(ret);
3671         }
3672     } else if (autostart) {
3673         vm_start();
3674     }
3675
3676     os_setup_post();
3677
3678     resume_all_vcpus();
3679     main_loop();
3680     bdrv_close_all();
3681     pause_all_vcpus();
3682     net_cleanup();
3683     res_free();
3684
3685     return 0;
3686 }