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
  67 #ifdef CONFIG_SECCOMP
  68 #include "qemu-seccomp.h"
  69 #endif
  70
  71 #ifdef __sun__
  72 #include <sys/stat.h>
  73 #include <sys/ethernet.h>
  74 #include <sys/sockio.h>
  75 #include <netinet/arp.h>
  76 #include <netinet/in_systm.h>
  77 #include <netinet/ip.h>
  78 #include <netinet/ip_icmp.h> // must come after ip.h
  79 #include <netinet/udp.h>
  80 #include <netinet/tcp.h>
  81 #include <net/if.h>
  82 #include <syslog.h>
  83 #include <stropts.h>
  84 #endif
  85 #endif
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "blockdev.h"
 140 #include "hw/block-common.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168 #include "osdep.h"
 169
 170 #include "ui/qemu-spice.h"
 171 #include "qapi/string-input-visitor.h"
 172
 173 //#define DEBUG_NET
 174 //#define DEBUG_SLIRP
 175
 176 #define DEFAULT_RAM_SIZE 128
 177
 178 #define MAX_VIRTIO_CONSOLES 1
 179
 180 static const char *data_dir;
 181 const char *bios_name = NULL;
 182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 183 DisplayType display_type = DT_DEFAULT;
 184 static int display_remote;
 185 const char* keyboard_layout = NULL;
 186 ram_addr_t ram_size;
 187 const char *mem_path = NULL;
 188 #ifdef MAP_POPULATE
 189 int mem_prealloc = 0; /* force preallocation of physical target memory */
 190 #endif
 191 int nb_nics;
 192 NICInfo nd_table[MAX_NICS];
 193 int autostart;
 194 static int rtc_utc = 1;
 195 static int rtc_date_offset = -1; /* -1 means no change */
 196 QEMUClock *rtc_clock;
 197 int vga_interface_type = VGA_NONE;
 198 static int full_screen = 0;
 199 #ifdef CONFIG_SDL
 200 static int no_frame = 0;
 201 #endif
 202 int no_quit = 0;
 203 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 204 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 205 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 206 int win2k_install_hack = 0;
 207 int singlestep = 0;
 208 int smp_cpus = 1;
 209 int max_cpus = 0;
 210 int smp_cores = 1;
 211 int smp_threads = 1;
 212 #ifdef CONFIG_VNC
 213 const char *vnc_display;
 214 #endif
 215 int acpi_enabled = 1;
 216 int no_hpet = 0;
 217 int fd_bootchk = 1;
 218 static int no_reboot;
 219 int no_shutdown = 0;
 220 int cursor_hide = 1;
 221 int graphic_rotate = 0;
 222 const char *watchdog;
 223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 224 int nb_option_roms;
 225 int semihosting_enabled = 0;
 226 int old_param = 0;
 227 const char *qemu_name;
 228 int alt_grab = 0;
 229 int ctrl_grab = 0;
 230 unsigned int nb_prom_envs = 0;
 231 const char *prom_envs[MAX_PROM_ENVS];
 232 int boot_menu;
 233 uint8_t *boot_splash_filedata;
 234 int boot_splash_filedata_size;
 235 uint8_t qemu_extra_params_fw[2];
 236
 237 typedef struct FWBootEntry FWBootEntry;
 238
 239 struct FWBootEntry {
 240     QTAILQ_ENTRY(FWBootEntry) link;
 241     int32_t bootindex;
 242     DeviceState *dev;
 243     char *suffix;
 244 };
 245
 246 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 247     QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 248
 249 int nb_numa_nodes;
 250 uint64_t node_mem[MAX_NODES];
 251 unsigned long *node_cpumask[MAX_NODES];
 252
 253 uint8_t qemu_uuid[16];
 254
 255 static QEMUBootSetHandler *boot_set_handler;
 256 static void *boot_set_opaque;
 257
 258 static NotifierList exit_notifiers =
 259     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 260
 261 static NotifierList machine_init_done_notifiers =
 262     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 263
 264 static int tcg_allowed = 1;
 265 int kvm_allowed = 0;
 266 int xen_allowed = 0;
 267 uint32_t xen_domid;
 268 enum xen_mode xen_mode = XEN_EMULATE;
 269 static int tcg_tb_size;
 270
 271 static int default_serial = 1;
 272 static int default_parallel = 1;
 273 static int default_virtcon = 1;
 274 static int default_monitor = 1;
 275 static int default_floppy = 1;
 276 static int default_cdrom = 1;
 277 static int default_sdcard = 1;
 278 static int default_vga = 1;
 279
 280 static struct {
 281     const char *driver;
 282     int *flag;
 283 } default_list[] = {
 284     { .driver = "isa-serial",           .flag = &default_serial    },
 285     { .driver = "isa-parallel",         .flag = &default_parallel  },
 286     { .driver = "isa-fdc",              .flag = &default_floppy    },
 287     { .driver = "ide-cd",               .flag = &default_cdrom     },
 288     { .driver = "ide-hd",               .flag = &default_cdrom     },
 289     { .driver = "ide-drive",            .flag = &default_cdrom     },
 290     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 291     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 292     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 293     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 294     { .driver = "VGA",                  .flag = &default_vga       },
 295     { .driver = "isa-vga",              .flag = &default_vga       },
 296     { .driver = "cirrus-vga",           .flag = &default_vga       },
 297     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 298     { .driver = "vmware-svga",          .flag = &default_vga       },
 299     { .driver = "qxl-vga",              .flag = &default_vga       },
 300 };
 301
 302 const char *qemu_get_vm_name(void)
 303 {
 304     return qemu_name;
 305 }
 306
 307 static void res_free(void)
 308 {
 309     if (boot_splash_filedata != NULL) {
 310         g_free(boot_splash_filedata);
 311         boot_splash_filedata = NULL;
 312     }
 313 }
 314
 315 static int default_driver_check(QemuOpts *opts, void *opaque)
 316 {
 317     const char *driver = qemu_opt_get(opts, "driver");
 318     int i;
 319
 320     if (!driver)
 321         return 0;
 322     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 323         if (strcmp(default_list[i].driver, driver) != 0)
 324             continue;
 325         *(default_list[i].flag) = 0;
 326     }
 327     return 0;
 328 }
 329
 330 /***********************************************************/
 331 /* QEMU state */
 332
 333 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 334
 335 typedef struct {
 336     RunState from;
 337     RunState to;
 338 } RunStateTransition;
 339
 340 static const RunStateTransition runstate_transitions_def[] = {
 341     /*     from      ->     to      */
 342     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 343
 344     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 345     { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 346
 347     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 348     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 349
 350     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 351     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 352
 353     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 354     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 355
 356     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 357     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 358
 359     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 360     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 361     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 362
 363     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 364     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 365
 366     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 367
 368     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 369     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 370     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 371     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 372     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 373     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 374     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 375     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 376     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 377
 378     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 379
 380     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 381     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 382
 383     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 384     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 385     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 386     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 387
 388     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 389     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 390
 391     { RUN_STATE_MAX, RUN_STATE_MAX },
 392 };
 393
 394 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 395
 396 bool runstate_check(RunState state)
 397 {
 398     return current_run_state == state;
 399 }
 400
 401 static void runstate_init(void)
 402 {
 403     const RunStateTransition *p;
 404
 405     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 406
 407     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 408         runstate_valid_transitions[p->from][p->to] = true;
 409     }
 410 }
 411
 412 /* This function will abort() on invalid state transitions */
 413 void runstate_set(RunState new_state)
 414 {
 415     assert(new_state < RUN_STATE_MAX);
 416
 417     if (!runstate_valid_transitions[current_run_state][new_state]) {
 418         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 419                 RunState_lookup[current_run_state],
 420                 RunState_lookup[new_state]);
 421         abort();
 422     }
 423
 424     current_run_state = new_state;
 425 }
 426
 427 int runstate_is_running(void)
 428 {
 429     return runstate_check(RUN_STATE_RUNNING);
 430 }
 431
 432 StatusInfo *qmp_query_status(Error **errp)
 433 {
 434     StatusInfo *info = g_malloc0(sizeof(*info));
 435
 436     info->running = runstate_is_running();
 437     info->singlestep = singlestep;
 438     info->status = current_run_state;
 439
 440     return info;
 441 }
 442
 443 /***********************************************************/
 444 /* real time host monotonic timer */
 445
 446 /***********************************************************/
 447 /* host time/date access */
 448 void qemu_get_timedate(struct tm *tm, int offset)
 449 {
 450     time_t ti;
 451     struct tm *ret;
 452
 453     time(&ti);
 454     ti += offset;
 455     if (rtc_date_offset == -1) {
 456         if (rtc_utc)
 457             ret = gmtime(&ti);
 458         else
 459             ret = localtime(&ti);
 460     } else {
 461         ti -= rtc_date_offset;
 462         ret = gmtime(&ti);
 463     }
 464
 465     memcpy(tm, ret, sizeof(struct tm));
 466 }
 467
 468 int qemu_timedate_diff(struct tm *tm)
 469 {
 470     time_t seconds;
 471
 472     if (rtc_date_offset == -1)
 473         if (rtc_utc)
 474             seconds = mktimegm(tm);
 475         else {
 476             struct tm tmp = *tm;
 477             tmp.tm_isdst = -1; /* use timezone to figure it out */
 478             seconds = mktime(&tmp);
 479         }
 480     else
 481         seconds = mktimegm(tm) + rtc_date_offset;
 482
 483     return seconds - time(NULL);
 484 }
 485
 486 void rtc_change_mon_event(struct tm *tm)
 487 {
 488     QObject *data;
 489
 490     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 491     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 492     qobject_decref(data);
 493 }
 494
 495 static void configure_rtc_date_offset(const char *startdate, int legacy)
 496 {
 497     time_t rtc_start_date;
 498     struct tm tm;
 499
 500     if (!strcmp(startdate, "now") && legacy) {
 501         rtc_date_offset = -1;
 502     } else {
 503         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 504                    &tm.tm_year,
 505                    &tm.tm_mon,
 506                    &tm.tm_mday,
 507                    &tm.tm_hour,
 508                    &tm.tm_min,
 509                    &tm.tm_sec) == 6) {
 510             /* OK */
 511         } else if (sscanf(startdate, "%d-%d-%d",
 512                           &tm.tm_year,
 513                           &tm.tm_mon,
 514                           &tm.tm_mday) == 3) {
 515             tm.tm_hour = 0;
 516             tm.tm_min = 0;
 517             tm.tm_sec = 0;
 518         } else {
 519             goto date_fail;
 520         }
 521         tm.tm_year -= 1900;
 522         tm.tm_mon--;
 523         rtc_start_date = mktimegm(&tm);
 524         if (rtc_start_date == -1) {
 525         date_fail:
 526             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 527                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 528             exit(1);
 529         }
 530         rtc_date_offset = time(NULL) - rtc_start_date;
 531     }
 532 }
 533
 534 static void configure_rtc(QemuOpts *opts)
 535 {
 536     const char *value;
 537
 538     value = qemu_opt_get(opts, "base");
 539     if (value) {
 540         if (!strcmp(value, "utc")) {
 541             rtc_utc = 1;
 542         } else if (!strcmp(value, "localtime")) {
 543             rtc_utc = 0;
 544         } else {
 545             configure_rtc_date_offset(value, 0);
 546         }
 547     }
 548     value = qemu_opt_get(opts, "clock");
 549     if (value) {
 550         if (!strcmp(value, "host")) {
 551             rtc_clock = host_clock;
 552         } else if (!strcmp(value, "rt")) {
 553             rtc_clock = rt_clock;
 554         } else if (!strcmp(value, "vm")) {
 555             rtc_clock = vm_clock;
 556         } else {
 557             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 558             exit(1);
 559         }
 560     }
 561     value = qemu_opt_get(opts, "driftfix");
 562     if (value) {
 563         if (!strcmp(value, "slew")) {
 564             static GlobalProperty slew_lost_ticks[] = {
 565                 {
 566                     .driver   = "mc146818rtc",
 567                     .property = "lost_tick_policy",
 568                     .value    = "slew",
 569                 },
 570                 { /* end of list */ }
 571             };
 572
 573             qdev_prop_register_global_list(slew_lost_ticks);
 574         } else if (!strcmp(value, "none")) {
 575             /* discard is default */
 576         } else {
 577             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 578             exit(1);
 579         }
 580     }
 581 }
 582
 583 /***********************************************************/
 584 /* Bluetooth support */
 585 static int nb_hcis;
 586 static int cur_hci;
 587 static struct HCIInfo *hci_table[MAX_NICS];
 588
 589 static struct bt_vlan_s {
 590     struct bt_scatternet_s net;
 591     int id;
 592     struct bt_vlan_s *next;
 593 } *first_bt_vlan;
 594
 595 /* find or alloc a new bluetooth "VLAN" */
 596 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 597 {
 598     struct bt_vlan_s **pvlan, *vlan;
 599     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 600         if (vlan->id == id)
 601             return &vlan->net;
 602     }
 603     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 604     vlan->id = id;
 605     pvlan = &first_bt_vlan;
 606     while (*pvlan != NULL)
 607         pvlan = &(*pvlan)->next;
 608     *pvlan = vlan;
 609     return &vlan->net;
 610 }
 611
 612 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 613 {
 614 }
 615
 616 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 617 {
 618     return -ENOTSUP;
 619 }
 620
 621 static struct HCIInfo null_hci = {
 622     .cmd_send = null_hci_send,
 623     .sco_send = null_hci_send,
 624     .acl_send = null_hci_send,
 625     .bdaddr_set = null_hci_addr_set,
 626 };
 627
 628 struct HCIInfo *qemu_next_hci(void)
 629 {
 630     if (cur_hci == nb_hcis)
 631         return &null_hci;
 632
 633     return hci_table[cur_hci++];
 634 }
 635
 636 static struct HCIInfo *hci_init(const char *str)
 637 {
 638     char *endp;
 639     struct bt_scatternet_s *vlan = 0;
 640
 641     if (!strcmp(str, "null"))
 642         /* null */
 643         return &null_hci;
 644     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 645         /* host[:hciN] */
 646         return bt_host_hci(str[4] ? str + 5 : "hci0");
 647     else if (!strncmp(str, "hci", 3)) {
 648         /* hci[,vlan=n] */
 649         if (str[3]) {
 650             if (!strncmp(str + 3, ",vlan=", 6)) {
 651                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 652                 if (*endp)
 653                     vlan = 0;
 654             }
 655         } else
 656             vlan = qemu_find_bt_vlan(0);
 657         if (vlan)
 658            return bt_new_hci(vlan);
 659     }
 660
 661     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 662
 663     return 0;
 664 }
 665
 666 static int bt_hci_parse(const char *str)
 667 {
 668     struct HCIInfo *hci;
 669     bdaddr_t bdaddr;
 670
 671     if (nb_hcis >= MAX_NICS) {
 672         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 673         return -1;
 674     }
 675
 676     hci = hci_init(str);
 677     if (!hci)
 678         return -1;
 679
 680     bdaddr.b[0] = 0x52;
 681     bdaddr.b[1] = 0x54;
 682     bdaddr.b[2] = 0x00;
 683     bdaddr.b[3] = 0x12;
 684     bdaddr.b[4] = 0x34;
 685     bdaddr.b[5] = 0x56 + nb_hcis;
 686     hci->bdaddr_set(hci, bdaddr.b);
 687
 688     hci_table[nb_hcis++] = hci;
 689
 690     return 0;
 691 }
 692
 693 static void bt_vhci_add(int vlan_id)
 694 {
 695     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 696
 697     if (!vlan->slave)
 698         fprintf(stderr, "qemu: warning: adding a VHCI to "
 699                         "an empty scatternet %i\n", vlan_id);
 700
 701     bt_vhci_init(bt_new_hci(vlan));
 702 }
 703
 704 static struct bt_device_s *bt_device_add(const char *opt)
 705 {
 706     struct bt_scatternet_s *vlan;
 707     int vlan_id = 0;
 708     char *endp = strstr(opt, ",vlan=");
 709     int len = (endp ? endp - opt : strlen(opt)) + 1;
 710     char devname[10];
 711
 712     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 713
 714     if (endp) {
 715         vlan_id = strtol(endp + 6, &endp, 0);
 716         if (*endp) {
 717             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 718             return 0;
 719         }
 720     }
 721
 722     vlan = qemu_find_bt_vlan(vlan_id);
 723
 724     if (!vlan->slave)
 725         fprintf(stderr, "qemu: warning: adding a slave device to "
 726                         "an empty scatternet %i\n", vlan_id);
 727
 728     if (!strcmp(devname, "keyboard"))
 729         return bt_keyboard_init(vlan);
 730
 731     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 732     return 0;
 733 }
 734
 735 static int bt_parse(const char *opt)
 736 {
 737     const char *endp, *p;
 738     int vlan;
 739
 740     if (strstart(opt, "hci", &endp)) {
 741         if (!*endp || *endp == ',') {
 742             if (*endp)
 743                 if (!strstart(endp, ",vlan=", 0))
 744                     opt = endp + 1;
 745
 746             return bt_hci_parse(opt);
 747        }
 748     } else if (strstart(opt, "vhci", &endp)) {
 749         if (!*endp || *endp == ',') {
 750             if (*endp) {
 751                 if (strstart(endp, ",vlan=", &p)) {
 752                     vlan = strtol(p, (char **) &endp, 0);
 753                     if (*endp) {
 754                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 755                         return 1;
 756                     }
 757                 } else {
 758                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 759                     return 1;
 760                 }
 761             } else
 762                 vlan = 0;
 763
 764             bt_vhci_add(vlan);
 765             return 0;
 766         }
 767     } else if (strstart(opt, "device:", &endp))
 768         return !bt_device_add(endp);
 769
 770     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 771     return 1;
 772 }
 773
 774 static int parse_sandbox(QemuOpts *opts, void *opaque)
 775 {
 776     /* FIXME: change this to true for 1.3 */
 777     if (qemu_opt_get_bool(opts, "enable", false)) {
 778 #ifdef CONFIG_SECCOMP
 779         if (seccomp_start() < 0) {
 780             qerror_report(ERROR_CLASS_GENERIC_ERROR,
 781                           "failed to install seccomp syscall filter in the kernel");
 782             return -1;
 783         }
 784 #else
 785         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 786                       "sandboxing request but seccomp is not compiled into this build");
 787         return -1;
 788 #endif
 789     }
 790
 791     return 0;
 792 }
 793
 794 /*********QEMU USB setting******/
 795 bool usb_enabled(bool default_usb)
 796 {
 797     QemuOpts *mach_opts;
 798     mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 799     if (mach_opts) {
 800         return qemu_opt_get_bool(mach_opts, "usb", default_usb);
 801     }
 802     return default_usb;
 803 }
 804
 805 #ifndef _WIN32
 806 static int parse_add_fd(QemuOpts *opts, void *opaque)
 807 {
 808     int fd, dupfd, flags;
 809     int64_t fdset_id;
 810     const char *fd_opaque = NULL;
 811
 812     fd = qemu_opt_get_number(opts, "fd", -1);
 813     fdset_id = qemu_opt_get_number(opts, "set", -1);
 814     fd_opaque = qemu_opt_get(opts, "opaque");
 815
 816     if (fd < 0) {
 817         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 818                       "fd option is required and must be non-negative");
 819         return -1;
 820     }
 821
 822     if (fd <= STDERR_FILENO) {
 823         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 824                       "fd cannot be a standard I/O stream");
 825         return -1;
 826     }
 827
 828     /*
 829      * All fds inherited across exec() necessarily have FD_CLOEXEC
 830      * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
 831      */
 832     flags = fcntl(fd, F_GETFD);
 833     if (flags == -1 || (flags & FD_CLOEXEC)) {
 834         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 835                       "fd is not valid or already in use");
 836         return -1;
 837     }
 838
 839     if (fdset_id < 0) {
 840         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 841                       "set option is required and must be non-negative");
 842         return -1;
 843     }
 844
 845 #ifdef F_DUPFD_CLOEXEC
 846     dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
 847 #else
 848     dupfd = dup(fd);
 849     if (dupfd != -1) {
 850         qemu_set_cloexec(dupfd);
 851     }
 852 #endif
 853     if (dupfd == -1) {
 854         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 855                       "Error duplicating fd: %s", strerror(errno));
 856         return -1;
 857     }
 858
 859     /* add the duplicate fd, and optionally the opaque string, to the fd set */
 860     monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
 861                          fd_opaque, NULL);
 862
 863     return 0;
 864 }
 865
 866 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
 867 {
 868     int fd;
 869
 870     fd = qemu_opt_get_number(opts, "fd", -1);
 871     close(fd);
 872
 873     return 0;
 874 }
 875 #endif
 876
 877 /***********************************************************/
 878 /* QEMU Block devices */
 879
 880 #define HD_OPTS "media=disk"
 881 #define CDROM_OPTS "media=cdrom"
 882 #define FD_OPTS ""
 883 #define PFLASH_OPTS ""
 884 #define MTD_OPTS ""
 885 #define SD_OPTS ""
 886
 887 static int drive_init_func(QemuOpts *opts, void *opaque)
 888 {
 889     BlockInterfaceType *block_default_type = opaque;
 890
 891     return drive_init(opts, *block_default_type) == NULL;
 892 }
 893
 894 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 895 {
 896     if (NULL == qemu_opt_get(opts, "snapshot")) {
 897         qemu_opt_set(opts, "snapshot", "on");
 898     }
 899     return 0;
 900 }
 901
 902 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
 903                           int index, const char *optstr)
 904 {
 905     QemuOpts *opts;
 906
 907     if (!enable || drive_get_by_index(type, index)) {
 908         return;
 909     }
 910
 911     opts = drive_add(type, index, NULL, optstr);
 912     if (snapshot) {
 913         drive_enable_snapshot(opts, NULL);
 914     }
 915     if (!drive_init(opts, type)) {
 916         exit(1);
 917     }
 918 }
 919
 920 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 921 {
 922     boot_set_handler = func;
 923     boot_set_opaque = opaque;
 924 }
 925
 926 int qemu_boot_set(const char *boot_devices)
 927 {
 928     if (!boot_set_handler) {
 929         return -EINVAL;
 930     }
 931     return boot_set_handler(boot_set_opaque, boot_devices);
 932 }
 933
 934 static void validate_bootdevices(char *devices)
 935 {
 936     /* We just do some generic consistency checks */
 937     const char *p;
 938     int bitmap = 0;
 939
 940     for (p = devices; *p != '\0'; p++) {
 941         /* Allowed boot devices are:
 942          * a-b: floppy disk drives
 943          * c-f: IDE disk drives
 944          * g-m: machine implementation dependent drives
 945          * n-p: network devices
 946          * It's up to each machine implementation to check if the given boot
 947          * devices match the actual hardware implementation and firmware
 948          * features.
 949          */
 950         if (*p < 'a' || *p > 'p') {
 951             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 952             exit(1);
 953         }
 954         if (bitmap & (1 << (*p - 'a'))) {
 955             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 956             exit(1);
 957         }
 958         bitmap |= 1 << (*p - 'a');
 959     }
 960 }
 961
 962 static void restore_boot_devices(void *opaque)
 963 {
 964     char *standard_boot_devices = opaque;
 965     static int first = 1;
 966
 967     /* Restore boot order and remove ourselves after the first boot */
 968     if (first) {
 969         first = 0;
 970         return;
 971     }
 972
 973     qemu_boot_set(standard_boot_devices);
 974
 975     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 976     g_free(standard_boot_devices);
 977 }
 978
 979 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 980                           const char *suffix)
 981 {
 982     FWBootEntry *node, *i;
 983
 984     if (bootindex < 0) {
 985         return;
 986     }
 987
 988     assert(dev != NULL || suffix != NULL);
 989
 990     node = g_malloc0(sizeof(FWBootEntry));
 991     node->bootindex = bootindex;
 992     node->suffix = suffix ? g_strdup(suffix) : NULL;
 993     node->dev = dev;
 994
 995     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 996         if (i->bootindex == bootindex) {
 997             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 998             exit(1);
 999         } else if (i->bootindex < bootindex) {
1000             continue;
1001         }
1002         QTAILQ_INSERT_BEFORE(i, node, link);
1003         return;
1004     }
1005     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1006 }
1007
1008 /*
1009  * This function returns null terminated string that consist of new line
1010  * separated device paths.
1011  *
1012  * memory pointed by "size" is assigned total length of the array in bytes
1013  *
1014  */
1015 char *get_boot_devices_list(uint32_t *size)
1016 {
1017     FWBootEntry *i;
1018     uint32_t total = 0;
1019     char *list = NULL;
1020
1021     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1022         char *devpath = NULL, *bootpath;
1023         int len;
1024
1025         if (i->dev) {
1026             devpath = qdev_get_fw_dev_path(i->dev);
1027             assert(devpath);
1028         }
1029
1030         if (i->suffix && devpath) {
1031             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1032
1033             bootpath = g_malloc(bootpathlen);
1034             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1035             g_free(devpath);
1036         } else if (devpath) {
1037             bootpath = devpath;
1038         } else {
1039             assert(i->suffix);
1040             bootpath = g_strdup(i->suffix);
1041         }
1042
1043         if (total) {
1044             list[total-1] = '\n';
1045         }
1046         len = strlen(bootpath) + 1;
1047         list = g_realloc(list, total + len);
1048         memcpy(&list[total], bootpath, len);
1049         total += len;
1050         g_free(bootpath);
1051     }
1052
1053     *size = total;
1054
1055     return list;
1056 }
1057
1058 static void numa_add(const char *optarg)
1059 {
1060     char option[128];
1061     char *endptr;
1062     unsigned long long value, endvalue;
1063     int nodenr;
1064
1065     value = endvalue = 0ULL;
1066
1067     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1068     if (!strcmp(option, "node")) {
1069         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1070             nodenr = nb_numa_nodes;
1071         } else {
1072             nodenr = strtoull(option, NULL, 10);
1073         }
1074
1075         if (get_param_value(option, 128, "mem", optarg) == 0) {
1076             node_mem[nodenr] = 0;
1077         } else {
1078             int64_t sval;
1079             sval = strtosz(option, &endptr);
1080             if (sval < 0 || *endptr) {
1081                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1082                 exit(1);
1083             }
1084             node_mem[nodenr] = sval;
1085         }
1086         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1087             value = strtoull(option, &endptr, 10);
1088             if (*endptr == '-') {
1089                 endvalue = strtoull(endptr+1, &endptr, 10);
1090             } else {
1091                 endvalue = value;
1092             }
1093
1094             if (!(endvalue < MAX_CPUMASK_BITS)) {
1095                 endvalue = MAX_CPUMASK_BITS - 1;
1096                 fprintf(stderr,
1097                     "A max of %d CPUs are supported in a guest\n",
1098                      MAX_CPUMASK_BITS);
1099             }
1100
1101             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1102         }
1103         nb_numa_nodes++;
1104     }
1105 }
1106
1107 static void smp_parse(const char *optarg)
1108 {
1109     int smp, sockets = 0, threads = 0, cores = 0;
1110     char *endptr;
1111     char option[128];
1112
1113     smp = strtoul(optarg, &endptr, 10);
1114     if (endptr != optarg) {
1115         if (*endptr == ',') {
1116             endptr++;
1117         }
1118     }
1119     if (get_param_value(option, 128, "sockets", endptr) != 0)
1120         sockets = strtoull(option, NULL, 10);
1121     if (get_param_value(option, 128, "cores", endptr) != 0)
1122         cores = strtoull(option, NULL, 10);
1123     if (get_param_value(option, 128, "threads", endptr) != 0)
1124         threads = strtoull(option, NULL, 10);
1125     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1126         max_cpus = strtoull(option, NULL, 10);
1127
1128     /* compute missing values, prefer sockets over cores over threads */
1129     if (smp == 0 || sockets == 0) {
1130         sockets = sockets > 0 ? sockets : 1;
1131         cores = cores > 0 ? cores : 1;
1132         threads = threads > 0 ? threads : 1;
1133         if (smp == 0) {
1134             smp = cores * threads * sockets;
1135         }
1136     } else {
1137         if (cores == 0) {
1138             threads = threads > 0 ? threads : 1;
1139             cores = smp / (sockets * threads);
1140         } else {
1141             threads = smp / (cores * sockets);
1142         }
1143     }
1144     smp_cpus = smp;
1145     smp_cores = cores > 0 ? cores : 1;
1146     smp_threads = threads > 0 ? threads : 1;
1147     if (max_cpus == 0)
1148         max_cpus = smp_cpus;
1149 }
1150
1151 /***********************************************************/
1152 /* USB devices */
1153
1154 static int usb_device_add(const char *devname)
1155 {
1156     const char *p;
1157     USBDevice *dev = NULL;
1158
1159     if (!usb_enabled(false)) {
1160         return -1;
1161     }
1162
1163     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1164     dev = usbdevice_create(devname);
1165     if (dev)
1166         goto done;
1167
1168     /* the other ones */
1169 #ifndef CONFIG_LINUX
1170     /* only the linux version is qdev-ified, usb-bsd still needs this */
1171     if (strstart(devname, "host:", &p)) {
1172         dev = usb_host_device_open(usb_bus_find(-1), p);
1173     } else
1174 #endif
1175     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1176         dev = usb_bt_init(usb_bus_find(-1),
1177                           devname[2] ? hci_init(p)
1178                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1179     } else {
1180         return -1;
1181     }
1182     if (!dev)
1183         return -1;
1184
1185 done:
1186     return 0;
1187 }
1188
1189 static int usb_device_del(const char *devname)
1190 {
1191     int bus_num, addr;
1192     const char *p;
1193
1194     if (strstart(devname, "host:", &p))
1195         return usb_host_device_close(p);
1196
1197     if (!usb_enabled(false)) {
1198         return -1;
1199     }
1200
1201     p = strchr(devname, '.');
1202     if (!p)
1203         return -1;
1204     bus_num = strtoul(devname, NULL, 0);
1205     addr = strtoul(p + 1, NULL, 0);
1206
1207     return usb_device_delete_addr(bus_num, addr);
1208 }
1209
1210 static int usb_parse(const char *cmdline)
1211 {
1212     int r;
1213     r = usb_device_add(cmdline);
1214     if (r < 0) {
1215         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1216     }
1217     return r;
1218 }
1219
1220 void do_usb_add(Monitor *mon, const QDict *qdict)
1221 {
1222     const char *devname = qdict_get_str(qdict, "devname");
1223     if (usb_device_add(devname) < 0) {
1224         error_report("could not add USB device '%s'", devname);
1225     }
1226 }
1227
1228 void do_usb_del(Monitor *mon, const QDict *qdict)
1229 {
1230     const char *devname = qdict_get_str(qdict, "devname");
1231     if (usb_device_del(devname) < 0) {
1232         error_report("could not delete USB device '%s'", devname);
1233     }
1234 }
1235
1236 /***********************************************************/
1237 /* PCMCIA/Cardbus */
1238
1239 static struct pcmcia_socket_entry_s {
1240     PCMCIASocket *socket;
1241     struct pcmcia_socket_entry_s *next;
1242 } *pcmcia_sockets = 0;
1243
1244 void pcmcia_socket_register(PCMCIASocket *socket)
1245 {
1246     struct pcmcia_socket_entry_s *entry;
1247
1248     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1249     entry->socket = socket;
1250     entry->next = pcmcia_sockets;
1251     pcmcia_sockets = entry;
1252 }
1253
1254 void pcmcia_socket_unregister(PCMCIASocket *socket)
1255 {
1256     struct pcmcia_socket_entry_s *entry, **ptr;
1257
1258     ptr = &pcmcia_sockets;
1259     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1260         if (entry->socket == socket) {
1261             *ptr = entry->next;
1262             g_free(entry);
1263         }
1264 }
1265
1266 void pcmcia_info(Monitor *mon)
1267 {
1268     struct pcmcia_socket_entry_s *iter;
1269
1270     if (!pcmcia_sockets)
1271         monitor_printf(mon, "No PCMCIA sockets\n");
1272
1273     for (iter = pcmcia_sockets; iter; iter = iter->next)
1274         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1275                        iter->socket->attached ? iter->socket->card_string :
1276                        "Empty");
1277 }
1278
1279 /***********************************************************/
1280 /* machine registration */
1281
1282 static QEMUMachine *first_machine = NULL;
1283 QEMUMachine *current_machine = NULL;
1284
1285 int qemu_register_machine(QEMUMachine *m)
1286 {
1287     QEMUMachine **pm;
1288     pm = &first_machine;
1289     while (*pm != NULL)
1290         pm = &(*pm)->next;
1291     m->next = NULL;
1292     *pm = m;
1293     return 0;
1294 }
1295
1296 static QEMUMachine *find_machine(const char *name)
1297 {
1298     QEMUMachine *m;
1299
1300     for(m = first_machine; m != NULL; m = m->next) {
1301         if (!strcmp(m->name, name))
1302             return m;
1303         if (m->alias && !strcmp(m->alias, name))
1304             return m;
1305     }
1306     return NULL;
1307 }
1308
1309 QEMUMachine *find_default_machine(void)
1310 {
1311     QEMUMachine *m;
1312
1313     for(m = first_machine; m != NULL; m = m->next) {
1314         if (m->is_default) {
1315             return m;
1316         }
1317     }
1318     return NULL;
1319 }
1320
1321 MachineInfoList *qmp_query_machines(Error **errp)
1322 {
1323     MachineInfoList *mach_list = NULL;
1324     QEMUMachine *m;
1325
1326     for (m = first_machine; m; m = m->next) {
1327         MachineInfoList *entry;
1328         MachineInfo *info;
1329
1330         info = g_malloc0(sizeof(*info));
1331         if (m->is_default) {
1332             info->has_is_default = true;
1333             info->is_default = true;
1334         }
1335
1336         if (m->alias) {
1337             info->has_alias = true;
1338             info->alias = g_strdup(m->alias);
1339         }
1340
1341         info->name = g_strdup(m->name);
1342
1343         entry = g_malloc0(sizeof(*entry));
1344         entry->value = info;
1345         entry->next = mach_list;
1346         mach_list = entry;
1347     }
1348
1349     return mach_list;
1350 }
1351
1352 /***********************************************************/
1353 /* main execution loop */
1354
1355 static void gui_update(void *opaque)
1356 {
1357     uint64_t interval = GUI_REFRESH_INTERVAL;
1358     DisplayState *ds = opaque;
1359     DisplayChangeListener *dcl;
1360
1361     dpy_refresh(ds);
1362
1363     QLIST_FOREACH(dcl, &ds->listeners, next) {
1364         if (dcl->gui_timer_interval &&
1365             dcl->gui_timer_interval < interval)
1366             interval = dcl->gui_timer_interval;
1367     }
1368     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1369 }
1370
1371 void gui_setup_refresh(DisplayState *ds)
1372 {
1373     DisplayChangeListener *dcl;
1374     bool need_timer = false;
1375     bool have_gfx = false;
1376     bool have_text = false;
1377
1378     QLIST_FOREACH(dcl, &ds->listeners, next) {
1379         if (dcl->dpy_refresh != NULL) {
1380             need_timer = true;
1381         }
1382         if (dcl->dpy_gfx_update != NULL) {
1383             have_gfx = true;
1384         }
1385         if (dcl->dpy_text_update != NULL) {
1386             have_text = true;
1387         }
1388     }
1389
1390     if (need_timer && ds->gui_timer == NULL) {
1391         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1392         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1393     }
1394     if (!need_timer && ds->gui_timer != NULL) {
1395         qemu_del_timer(ds->gui_timer);
1396         qemu_free_timer(ds->gui_timer);
1397         ds->gui_timer = NULL;
1398     }
1399
1400     ds->have_gfx = have_gfx;
1401     ds->have_text = have_text;
1402 }
1403
1404 struct vm_change_state_entry {
1405     VMChangeStateHandler *cb;
1406     void *opaque;
1407     QLIST_ENTRY (vm_change_state_entry) entries;
1408 };
1409
1410 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1411
1412 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1413                                                      void *opaque)
1414 {
1415     VMChangeStateEntry *e;
1416
1417     e = g_malloc0(sizeof (*e));
1418
1419     e->cb = cb;
1420     e->opaque = opaque;
1421     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1422     return e;
1423 }
1424
1425 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1426 {
1427     QLIST_REMOVE (e, entries);
1428     g_free (e);
1429 }
1430
1431 void vm_state_notify(int running, RunState state)
1432 {
1433     VMChangeStateEntry *e;
1434
1435     trace_vm_state_notify(running, state);
1436
1437     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1438         e->cb(e->opaque, running, state);
1439     }
1440 }
1441
1442 void vm_start(void)
1443 {
1444     if (!runstate_is_running()) {
1445         cpu_enable_ticks();
1446         runstate_set(RUN_STATE_RUNNING);
1447         vm_state_notify(1, RUN_STATE_RUNNING);
1448         resume_all_vcpus();
1449         monitor_protocol_event(QEVENT_RESUME, NULL);
1450     }
1451 }
1452
1453 /* reset/shutdown handler */
1454
1455 typedef struct QEMUResetEntry {
1456     QTAILQ_ENTRY(QEMUResetEntry) entry;
1457     QEMUResetHandler *func;
1458     void *opaque;
1459 } QEMUResetEntry;
1460
1461 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1462     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1463 static int reset_requested;
1464 static int shutdown_requested, shutdown_signal = -1;
1465 static pid_t shutdown_pid;
1466 static int powerdown_requested;
1467 static int debug_requested;
1468 static int suspend_requested;
1469 static int wakeup_requested;
1470 static NotifierList powerdown_notifiers =
1471     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1472 static NotifierList suspend_notifiers =
1473     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1474 static NotifierList wakeup_notifiers =
1475     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1476 static uint32_t wakeup_reason_mask = ~0;
1477 static RunState vmstop_requested = RUN_STATE_MAX;
1478
1479 int qemu_shutdown_requested_get(void)
1480 {
1481     return shutdown_requested;
1482 }
1483
1484 int qemu_reset_requested_get(void)
1485 {
1486     return reset_requested;
1487 }
1488
1489 static int qemu_shutdown_requested(void)
1490 {
1491     int r = shutdown_requested;
1492     shutdown_requested = 0;
1493     return r;
1494 }
1495
1496 static void qemu_kill_report(void)
1497 {
1498     if (!qtest_enabled() && shutdown_signal != -1) {
1499         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1500         if (shutdown_pid == 0) {
1501             /* This happens for eg ^C at the terminal, so it's worth
1502              * avoiding printing an odd message in that case.
1503              */
1504             fputc('\n', stderr);
1505         } else {
1506             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1507         }
1508         shutdown_signal = -1;
1509     }
1510 }
1511
1512 static int qemu_reset_requested(void)
1513 {
1514     int r = reset_requested;
1515     reset_requested = 0;
1516     return r;
1517 }
1518
1519 static int qemu_suspend_requested(void)
1520 {
1521     int r = suspend_requested;
1522     suspend_requested = 0;
1523     return r;
1524 }
1525
1526 static int qemu_wakeup_requested(void)
1527 {
1528     int r = wakeup_requested;
1529     wakeup_requested = 0;
1530     return r;
1531 }
1532
1533 static int qemu_powerdown_requested(void)
1534 {
1535     int r = powerdown_requested;
1536     powerdown_requested = 0;
1537     return r;
1538 }
1539
1540 static int qemu_debug_requested(void)
1541 {
1542     int r = debug_requested;
1543     debug_requested = 0;
1544     return r;
1545 }
1546
1547 /* We use RUN_STATE_MAX but any invalid value will do */
1548 static bool qemu_vmstop_requested(RunState *r)
1549 {
1550     if (vmstop_requested < RUN_STATE_MAX) {
1551         *r = vmstop_requested;
1552         vmstop_requested = RUN_STATE_MAX;
1553         return true;
1554     }
1555
1556     return false;
1557 }
1558
1559 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1560 {
1561     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1562
1563     re->func = func;
1564     re->opaque = opaque;
1565     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1566 }
1567
1568 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1569 {
1570     QEMUResetEntry *re;
1571
1572     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1573         if (re->func == func && re->opaque == opaque) {
1574             QTAILQ_REMOVE(&reset_handlers, re, entry);
1575             g_free(re);
1576             return;
1577         }
1578     }
1579 }
1580
1581 void qemu_devices_reset(void)
1582 {
1583     QEMUResetEntry *re, *nre;
1584
1585     /* reset all devices */
1586     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1587         re->func(re->opaque);
1588     }
1589 }
1590
1591 void qemu_system_reset(bool report)
1592 {
1593     if (current_machine && current_machine->reset) {
1594         current_machine->reset();
1595     } else {
1596         qemu_devices_reset();
1597     }
1598     if (report) {
1599         monitor_protocol_event(QEVENT_RESET, NULL);
1600     }
1601     cpu_synchronize_all_post_reset();
1602 }
1603
1604 void qemu_system_reset_request(void)
1605 {
1606     if (no_reboot) {
1607         shutdown_requested = 1;
1608     } else {
1609         reset_requested = 1;
1610     }
1611     cpu_stop_current();
1612     qemu_notify_event();
1613 }
1614
1615 static void qemu_system_suspend(void)
1616 {
1617     pause_all_vcpus();
1618     notifier_list_notify(&suspend_notifiers, NULL);
1619     runstate_set(RUN_STATE_SUSPENDED);
1620     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1621 }
1622
1623 void qemu_system_suspend_request(void)
1624 {
1625     if (runstate_check(RUN_STATE_SUSPENDED)) {
1626         return;
1627     }
1628     suspend_requested = 1;
1629     cpu_stop_current();
1630     qemu_notify_event();
1631 }
1632
1633 void qemu_register_suspend_notifier(Notifier *notifier)
1634 {
1635     notifier_list_add(&suspend_notifiers, notifier);
1636 }
1637
1638 void qemu_system_wakeup_request(WakeupReason reason)
1639 {
1640     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1641         return;
1642     }
1643     if (!(wakeup_reason_mask & (1 << reason))) {
1644         return;
1645     }
1646     runstate_set(RUN_STATE_RUNNING);
1647     notifier_list_notify(&wakeup_notifiers, &reason);
1648     wakeup_requested = 1;
1649     qemu_notify_event();
1650 }
1651
1652 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1653 {
1654     if (enabled) {
1655         wakeup_reason_mask |= (1 << reason);
1656     } else {
1657         wakeup_reason_mask &= ~(1 << reason);
1658     }
1659 }
1660
1661 void qemu_register_wakeup_notifier(Notifier *notifier)
1662 {
1663     notifier_list_add(&wakeup_notifiers, notifier);
1664 }
1665
1666 void qemu_system_killed(int signal, pid_t pid)
1667 {
1668     shutdown_signal = signal;
1669     shutdown_pid = pid;
1670     no_shutdown = 0;
1671     qemu_system_shutdown_request();
1672 }
1673
1674 void qemu_system_shutdown_request(void)
1675 {
1676     shutdown_requested = 1;
1677     qemu_notify_event();
1678 }
1679
1680 static void qemu_system_powerdown(void)
1681 {
1682     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1683     notifier_list_notify(&powerdown_notifiers, NULL);
1684 }
1685
1686 void qemu_system_powerdown_request(void)
1687 {
1688     powerdown_requested = 1;
1689     qemu_notify_event();
1690 }
1691
1692 void qemu_register_powerdown_notifier(Notifier *notifier)
1693 {
1694     notifier_list_add(&powerdown_notifiers, notifier);
1695 }
1696
1697 void qemu_system_debug_request(void)
1698 {
1699     debug_requested = 1;
1700     qemu_notify_event();
1701 }
1702
1703 void qemu_system_vmstop_request(RunState state)
1704 {
1705     vmstop_requested = state;
1706     qemu_notify_event();
1707 }
1708
1709 static bool main_loop_should_exit(void)
1710 {
1711     RunState r;
1712     if (qemu_debug_requested()) {
1713         vm_stop(RUN_STATE_DEBUG);
1714     }
1715     if (qemu_suspend_requested()) {
1716         qemu_system_suspend();
1717     }
1718     if (qemu_shutdown_requested()) {
1719         qemu_kill_report();
1720         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1721         if (no_shutdown) {
1722             vm_stop(RUN_STATE_SHUTDOWN);
1723         } else {
1724             return true;
1725         }
1726     }
1727     if (qemu_reset_requested()) {
1728         pause_all_vcpus();
1729         cpu_synchronize_all_states();
1730         qemu_system_reset(VMRESET_REPORT);
1731         resume_all_vcpus();
1732         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1733             runstate_check(RUN_STATE_SHUTDOWN)) {
1734             runstate_set(RUN_STATE_PAUSED);
1735         }
1736     }
1737     if (qemu_wakeup_requested()) {
1738         pause_all_vcpus();
1739         cpu_synchronize_all_states();
1740         qemu_system_reset(VMRESET_SILENT);
1741         resume_all_vcpus();
1742         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1743     }
1744     if (qemu_powerdown_requested()) {
1745         qemu_system_powerdown();
1746     }
1747     if (qemu_vmstop_requested(&r)) {
1748         vm_stop(r);
1749     }
1750     return false;
1751 }
1752
1753 static void main_loop(void)
1754 {
1755     bool nonblocking;
1756     int last_io = 0;
1757 #ifdef CONFIG_PROFILER
1758     int64_t ti;
1759 #endif
1760     do {
1761         nonblocking = !kvm_enabled() && last_io > 0;
1762 #ifdef CONFIG_PROFILER
1763         ti = profile_getclock();
1764 #endif
1765         last_io = main_loop_wait(nonblocking);
1766 #ifdef CONFIG_PROFILER
1767         dev_time += profile_getclock() - ti;
1768 #endif
1769     } while (!main_loop_should_exit());
1770 }
1771
1772 static void version(void)
1773 {
1774     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1775 }
1776
1777 static void help(int exitcode)
1778 {
1779     version();
1780     printf("usage: %s [options] [disk_image]\n\n"
1781            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1782             error_get_progname());
1783
1784 #define QEMU_OPTIONS_GENERATE_HELP
1785 #include "qemu-options-wrapper.h"
1786
1787     printf("\nDuring emulation, the following keys are useful:\n"
1788            "ctrl-alt-f      toggle full screen\n"
1789            "ctrl-alt-n      switch to virtual console 'n'\n"
1790            "ctrl-alt        toggle mouse and keyboard grab\n"
1791            "\n"
1792            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1793
1794     exit(exitcode);
1795 }
1796
1797 #define HAS_ARG 0x0001
1798
1799 typedef struct QEMUOption {
1800     const char *name;
1801     int flags;
1802     int index;
1803     uint32_t arch_mask;
1804 } QEMUOption;
1805
1806 static const QEMUOption qemu_options[] = {
1807     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1808 #define QEMU_OPTIONS_GENERATE_OPTIONS
1809 #include "qemu-options-wrapper.h"
1810     { NULL },
1811 };
1812
1813 static bool vga_available(void)
1814 {
1815     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1816 }
1817
1818 static bool cirrus_vga_available(void)
1819 {
1820     return object_class_by_name("cirrus-vga")
1821            || object_class_by_name("isa-cirrus-vga");
1822 }
1823
1824 static bool vmware_vga_available(void)
1825 {
1826     return object_class_by_name("vmware-svga");
1827 }
1828
1829 static bool qxl_vga_available(void)
1830 {
1831     return object_class_by_name("qxl-vga");
1832 }
1833
1834 static void select_vgahw (const char *p)
1835 {
1836     const char *opts;
1837
1838     vga_interface_type = VGA_NONE;
1839     if (strstart(p, "std", &opts)) {
1840         if (vga_available()) {
1841             vga_interface_type = VGA_STD;
1842         } else {
1843             fprintf(stderr, "Error: standard VGA not available\n");
1844             exit(0);
1845         }
1846     } else if (strstart(p, "cirrus", &opts)) {
1847         if (cirrus_vga_available()) {
1848             vga_interface_type = VGA_CIRRUS;
1849         } else {
1850             fprintf(stderr, "Error: Cirrus VGA not available\n");
1851             exit(0);
1852         }
1853     } else if (strstart(p, "vmware", &opts)) {
1854         if (vmware_vga_available()) {
1855             vga_interface_type = VGA_VMWARE;
1856         } else {
1857             fprintf(stderr, "Error: VMWare SVGA not available\n");
1858             exit(0);
1859         }
1860     } else if (strstart(p, "xenfb", &opts)) {
1861         vga_interface_type = VGA_XENFB;
1862     } else if (strstart(p, "qxl", &opts)) {
1863         if (qxl_vga_available()) {
1864             vga_interface_type = VGA_QXL;
1865         } else {
1866             fprintf(stderr, "Error: QXL VGA not available\n");
1867             exit(0);
1868         }
1869     } else if (!strstart(p, "none", &opts)) {
1870     invalid_vga:
1871         fprintf(stderr, "Unknown vga type: %s\n", p);
1872         exit(1);
1873     }
1874     while (*opts) {
1875         const char *nextopt;
1876
1877         if (strstart(opts, ",retrace=", &nextopt)) {
1878             opts = nextopt;
1879             if (strstart(opts, "dumb", &nextopt))
1880                 vga_retrace_method = VGA_RETRACE_DUMB;
1881             else if (strstart(opts, "precise", &nextopt))
1882                 vga_retrace_method = VGA_RETRACE_PRECISE;
1883             else goto invalid_vga;
1884         } else goto invalid_vga;
1885         opts = nextopt;
1886     }
1887 }
1888
1889 static DisplayType select_display(const char *p)
1890 {
1891     const char *opts;
1892     DisplayType display = DT_DEFAULT;
1893
1894     if (strstart(p, "sdl", &opts)) {
1895 #ifdef CONFIG_SDL
1896         display = DT_SDL;
1897         while (*opts) {
1898             const char *nextopt;
1899
1900             if (strstart(opts, ",frame=", &nextopt)) {
1901                 opts = nextopt;
1902                 if (strstart(opts, "on", &nextopt)) {
1903                     no_frame = 0;
1904                 } else if (strstart(opts, "off", &nextopt)) {
1905                     no_frame = 1;
1906                 } else {
1907                     goto invalid_sdl_args;
1908                 }
1909             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1910                 opts = nextopt;
1911                 if (strstart(opts, "on", &nextopt)) {
1912                     alt_grab = 1;
1913                 } else if (strstart(opts, "off", &nextopt)) {
1914                     alt_grab = 0;
1915                 } else {
1916                     goto invalid_sdl_args;
1917                 }
1918             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1919                 opts = nextopt;
1920                 if (strstart(opts, "on", &nextopt)) {
1921                     ctrl_grab = 1;
1922                 } else if (strstart(opts, "off", &nextopt)) {
1923                     ctrl_grab = 0;
1924                 } else {
1925                     goto invalid_sdl_args;
1926                 }
1927             } else if (strstart(opts, ",window_close=", &nextopt)) {
1928                 opts = nextopt;
1929                 if (strstart(opts, "on", &nextopt)) {
1930                     no_quit = 0;
1931                 } else if (strstart(opts, "off", &nextopt)) {
1932                     no_quit = 1;
1933                 } else {
1934                     goto invalid_sdl_args;
1935                 }
1936             } else {
1937             invalid_sdl_args:
1938                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1939                 exit(1);
1940             }
1941             opts = nextopt;
1942         }
1943 #else
1944         fprintf(stderr, "SDL support is disabled\n");
1945         exit(1);
1946 #endif
1947     } else if (strstart(p, "vnc", &opts)) {
1948 #ifdef CONFIG_VNC
1949         display_remote++;
1950
1951         if (*opts) {
1952             const char *nextopt;
1953
1954             if (strstart(opts, "=", &nextopt)) {
1955                 vnc_display = nextopt;
1956             }
1957         }
1958         if (!vnc_display) {
1959             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1960             exit(1);
1961         }
1962 #else
1963         fprintf(stderr, "VNC support is disabled\n");
1964         exit(1);
1965 #endif
1966     } else if (strstart(p, "curses", &opts)) {
1967 #ifdef CONFIG_CURSES
1968         display = DT_CURSES;
1969 #else
1970         fprintf(stderr, "Curses support is disabled\n");
1971         exit(1);
1972 #endif
1973     } else if (strstart(p, "none", &opts)) {
1974         display = DT_NONE;
1975     } else {
1976         fprintf(stderr, "Unknown display type: %s\n", p);
1977         exit(1);
1978     }
1979
1980     return display;
1981 }
1982
1983 static int balloon_parse(const char *arg)
1984 {
1985     QemuOpts *opts;
1986
1987     if (strcmp(arg, "none") == 0) {
1988         return 0;
1989     }
1990
1991     if (!strncmp(arg, "virtio", 6)) {
1992         if (arg[6] == ',') {
1993             /* have params -> parse them */
1994             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1995             if (!opts)
1996                 return  -1;
1997         } else {
1998             /* create empty opts */
1999             opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2000         }
2001         qemu_opt_set(opts, "driver", "virtio-balloon");
2002         return 0;
2003     }
2004
2005     return -1;
2006 }
2007
2008 char *qemu_find_file(int type, const char *name)
2009 {
2010     int len;
2011     const char *subdir;
2012     char *buf;
2013
2014     /* Try the name as a straight path first */
2015     if (access(name, R_OK) == 0) {
2016         return g_strdup(name);
2017     }
2018     switch (type) {
2019     case QEMU_FILE_TYPE_BIOS:
2020         subdir = "";
2021         break;
2022     case QEMU_FILE_TYPE_KEYMAP:
2023         subdir = "keymaps/";
2024         break;
2025     default:
2026         abort();
2027     }
2028     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2029     buf = g_malloc0(len);
2030     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2031     if (access(buf, R_OK)) {
2032         g_free(buf);
2033         return NULL;
2034     }
2035     return buf;
2036 }
2037
2038 static int device_help_func(QemuOpts *opts, void *opaque)
2039 {
2040     return qdev_device_help(opts);
2041 }
2042
2043 static int device_init_func(QemuOpts *opts, void *opaque)
2044 {
2045     DeviceState *dev;
2046
2047     dev = qdev_device_add(opts);
2048     if (!dev)
2049         return -1;
2050     return 0;
2051 }
2052
2053 static int chardev_init_func(QemuOpts *opts, void *opaque)
2054 {
2055     CharDriverState *chr;
2056
2057     chr = qemu_chr_new_from_opts(opts, NULL);
2058     if (!chr)
2059         return -1;
2060     return 0;
2061 }
2062
2063 #ifdef CONFIG_VIRTFS
2064 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2065 {
2066     int ret;
2067     ret = qemu_fsdev_add(opts);
2068
2069     return ret;
2070 }
2071 #endif
2072
2073 static int mon_init_func(QemuOpts *opts, void *opaque)
2074 {
2075     CharDriverState *chr;
2076     const char *chardev;
2077     const char *mode;
2078     int flags;
2079
2080     mode = qemu_opt_get(opts, "mode");
2081     if (mode == NULL) {
2082         mode = "readline";
2083     }
2084     if (strcmp(mode, "readline") == 0) {
2085         flags = MONITOR_USE_READLINE;
2086     } else if (strcmp(mode, "control") == 0) {
2087         flags = MONITOR_USE_CONTROL;
2088     } else {
2089         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2090         exit(1);
2091     }
2092
2093     if (qemu_opt_get_bool(opts, "pretty", 0))
2094         flags |= MONITOR_USE_PRETTY;
2095
2096     if (qemu_opt_get_bool(opts, "default", 0))
2097         flags |= MONITOR_IS_DEFAULT;
2098
2099     chardev = qemu_opt_get(opts, "chardev");
2100     chr = qemu_chr_find(chardev);
2101     if (chr == NULL) {
2102         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2103         exit(1);
2104     }
2105
2106     monitor_init(chr, flags);
2107     return 0;
2108 }
2109
2110 static void monitor_parse(const char *optarg, const char *mode)
2111 {
2112     static int monitor_device_index = 0;
2113     QemuOpts *opts;
2114     const char *p;
2115     char label[32];
2116     int def = 0;
2117
2118     if (strstart(optarg, "chardev:", &p)) {
2119         snprintf(label, sizeof(label), "%s", p);
2120     } else {
2121         snprintf(label, sizeof(label), "compat_monitor%d",
2122                  monitor_device_index);
2123         if (monitor_device_index == 0) {
2124             def = 1;
2125         }
2126         opts = qemu_chr_parse_compat(label, optarg);
2127         if (!opts) {
2128             fprintf(stderr, "parse error: %s\n", optarg);
2129             exit(1);
2130         }
2131     }
2132
2133     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2134     if (!opts) {
2135         fprintf(stderr, "duplicate chardev: %s\n", label);
2136         exit(1);
2137     }
2138     qemu_opt_set(opts, "mode", mode);
2139     qemu_opt_set(opts, "chardev", label);
2140     if (def)
2141         qemu_opt_set(opts, "default", "on");
2142     monitor_device_index++;
2143 }
2144
2145 struct device_config {
2146     enum {
2147         DEV_USB,       /* -usbdevice     */
2148         DEV_BT,        /* -bt            */
2149         DEV_SERIAL,    /* -serial        */
2150         DEV_PARALLEL,  /* -parallel      */
2151         DEV_VIRTCON,   /* -virtioconsole */
2152         DEV_DEBUGCON,  /* -debugcon */
2153         DEV_GDB,       /* -gdb, -s */
2154     } type;
2155     const char *cmdline;
2156     Location loc;
2157     QTAILQ_ENTRY(device_config) next;
2158 };
2159
2160 static QTAILQ_HEAD(, device_config) device_configs =
2161     QTAILQ_HEAD_INITIALIZER(device_configs);
2162
2163 static void add_device_config(int type, const char *cmdline)
2164 {
2165     struct device_config *conf;
2166
2167     conf = g_malloc0(sizeof(*conf));
2168     conf->type = type;
2169     conf->cmdline = cmdline;
2170     loc_save(&conf->loc);
2171     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2172 }
2173
2174 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2175 {
2176     struct device_config *conf;
2177     int rc;
2178
2179     QTAILQ_FOREACH(conf, &device_configs, next) {
2180         if (conf->type != type)
2181             continue;
2182         loc_push_restore(&conf->loc);
2183         rc = func(conf->cmdline);
2184         loc_pop(&conf->loc);
2185         if (0 != rc)
2186             return rc;
2187     }
2188     return 0;
2189 }
2190
2191 static int serial_parse(const char *devname)
2192 {
2193     static int index = 0;
2194     char label[32];
2195
2196     if (strcmp(devname, "none") == 0)
2197         return 0;
2198     if (index == MAX_SERIAL_PORTS) {
2199         fprintf(stderr, "qemu: too many serial ports\n");
2200         exit(1);
2201     }
2202     snprintf(label, sizeof(label), "serial%d", index);
2203     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2204     if (!serial_hds[index]) {
2205         fprintf(stderr, "qemu: could not connect serial device"
2206                 " to character backend '%s'\n", devname);
2207         return -1;
2208     }
2209     index++;
2210     return 0;
2211 }
2212
2213 static int parallel_parse(const char *devname)
2214 {
2215     static int index = 0;
2216     char label[32];
2217
2218     if (strcmp(devname, "none") == 0)
2219         return 0;
2220     if (index == MAX_PARALLEL_PORTS) {
2221         fprintf(stderr, "qemu: too many parallel ports\n");
2222         exit(1);
2223     }
2224     snprintf(label, sizeof(label), "parallel%d", index);
2225     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2226     if (!parallel_hds[index]) {
2227         fprintf(stderr, "qemu: could not connect parallel device"
2228                 " to character backend '%s'\n", devname);
2229         return -1;
2230     }
2231     index++;
2232     return 0;
2233 }
2234
2235 static int virtcon_parse(const char *devname)
2236 {
2237     QemuOptsList *device = qemu_find_opts("device");
2238     static int index = 0;
2239     char label[32];
2240     QemuOpts *bus_opts, *dev_opts;
2241
2242     if (strcmp(devname, "none") == 0)
2243         return 0;
2244     if (index == MAX_VIRTIO_CONSOLES) {
2245         fprintf(stderr, "qemu: too many virtio consoles\n");
2246         exit(1);
2247     }
2248
2249     bus_opts = qemu_opts_create_nofail(device);
2250     if (arch_type == QEMU_ARCH_S390X) {
2251         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2252     } else {
2253         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2254     }
2255
2256     dev_opts = qemu_opts_create_nofail(device);
2257     qemu_opt_set(dev_opts, "driver", "virtconsole");
2258
2259     snprintf(label, sizeof(label), "virtcon%d", index);
2260     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2261     if (!virtcon_hds[index]) {
2262         fprintf(stderr, "qemu: could not connect virtio console"
2263                 " to character backend '%s'\n", devname);
2264         return -1;
2265     }
2266     qemu_opt_set(dev_opts, "chardev", label);
2267
2268     index++;
2269     return 0;
2270 }
2271
2272 static int debugcon_parse(const char *devname)
2273 {
2274     QemuOpts *opts;
2275
2276     if (!qemu_chr_new("debugcon", devname, NULL)) {
2277         exit(1);
2278     }
2279     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2280     if (!opts) {
2281         fprintf(stderr, "qemu: already have a debugcon device\n");
2282         exit(1);
2283     }
2284     qemu_opt_set(opts, "driver", "isa-debugcon");
2285     qemu_opt_set(opts, "chardev", "debugcon");
2286     return 0;
2287 }
2288
2289 static QEMUMachine *machine_parse(const char *name)
2290 {
2291     QEMUMachine *m, *machine = NULL;
2292
2293     if (name) {
2294         machine = find_machine(name);
2295     }
2296     if (machine) {
2297         return machine;
2298     }
2299     printf("Supported machines are:\n");
2300     for (m = first_machine; m != NULL; m = m->next) {
2301         if (m->alias) {
2302             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2303         }
2304         printf("%-20s %s%s\n", m->name, m->desc,
2305                m->is_default ? " (default)" : "");
2306     }
2307     exit(!name || !is_help_option(name));
2308 }
2309
2310 static int tcg_init(void)
2311 {
2312     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2313     return 0;
2314 }
2315
2316 static struct {
2317     const char *opt_name;
2318     const char *name;
2319     int (*available)(void);
2320     int (*init)(void);
2321     int *allowed;
2322 } accel_list[] = {
2323     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2324     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2325     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2326     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2327 };
2328
2329 static int configure_accelerator(void)
2330 {
2331     const char *p = NULL;
2332     char buf[10];
2333     int i, ret;
2334     bool accel_initialised = 0;
2335     bool init_failed = 0;
2336
2337     QemuOptsList *list = qemu_find_opts("machine");
2338     if (!QTAILQ_EMPTY(&list->head)) {
2339         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2340     }
2341
2342     if (p == NULL) {
2343         /* Use the default "accelerator", tcg */
2344         p = "tcg";
2345     }
2346
2347     while (!accel_initialised && *p != '\0') {
2348         if (*p == ':') {
2349             p++;
2350         }
2351         p = get_opt_name(buf, sizeof (buf), p, ':');
2352         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2353             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2354                 *(accel_list[i].allowed) = 1;
2355                 ret = accel_list[i].init();
2356                 if (ret < 0) {
2357                     init_failed = 1;
2358                     if (!accel_list[i].available()) {
2359                         printf("%s not supported for this target\n",
2360                                accel_list[i].name);
2361                     } else {
2362                         fprintf(stderr, "failed to initialize %s: %s\n",
2363                                 accel_list[i].name,
2364                                 strerror(-ret));
2365                     }
2366                     *(accel_list[i].allowed) = 0;
2367                 } else {
2368                     accel_initialised = 1;
2369                 }
2370                 break;
2371             }
2372         }
2373         if (i == ARRAY_SIZE(accel_list)) {
2374             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2375         }
2376     }
2377
2378     if (!accel_initialised) {
2379         fprintf(stderr, "No accelerator found!\n");
2380         exit(1);
2381     }
2382
2383     if (init_failed) {
2384         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2385     }
2386
2387     return !accel_initialised;
2388 }
2389
2390 void qemu_add_exit_notifier(Notifier *notify)
2391 {
2392     notifier_list_add(&exit_notifiers, notify);
2393 }
2394
2395 void qemu_remove_exit_notifier(Notifier *notify)
2396 {
2397     notifier_remove(notify);
2398 }
2399
2400 static void qemu_run_exit_notifiers(void)
2401 {
2402     notifier_list_notify(&exit_notifiers, NULL);
2403 }
2404
2405 void qemu_add_machine_init_done_notifier(Notifier *notify)
2406 {
2407     notifier_list_add(&machine_init_done_notifiers, notify);
2408 }
2409
2410 static void qemu_run_machine_init_done_notifiers(void)
2411 {
2412     notifier_list_notify(&machine_init_done_notifiers, NULL);
2413 }
2414
2415 static const QEMUOption *lookup_opt(int argc, char **argv,
2416                                     const char **poptarg, int *poptind)
2417 {
2418     const QEMUOption *popt;
2419     int optind = *poptind;
2420     char *r = argv[optind];
2421     const char *optarg;
2422
2423     loc_set_cmdline(argv, optind, 1);
2424     optind++;
2425     /* Treat --foo the same as -foo.  */
2426     if (r[1] == '-')
2427         r++;
2428     popt = qemu_options;
2429     for(;;) {
2430         if (!popt->name) {
2431             error_report("invalid option");
2432             exit(1);
2433         }
2434         if (!strcmp(popt->name, r + 1))
2435             break;
2436         popt++;
2437     }
2438     if (popt->flags & HAS_ARG) {
2439         if (optind >= argc) {
2440             error_report("requires an argument");
2441             exit(1);
2442         }
2443         optarg = argv[optind++];
2444         loc_set_cmdline(argv, optind - 2, 2);
2445     } else {
2446         optarg = NULL;
2447     }
2448
2449     *poptarg = optarg;
2450     *poptind = optind;
2451
2452     return popt;
2453 }
2454
2455 static gpointer malloc_and_trace(gsize n_bytes)
2456 {
2457     void *ptr = malloc(n_bytes);
2458     trace_g_malloc(n_bytes, ptr);
2459     return ptr;
2460 }
2461
2462 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2463 {
2464     void *ptr = realloc(mem, n_bytes);
2465     trace_g_realloc(mem, n_bytes, ptr);
2466     return ptr;
2467 }
2468
2469 static void free_and_trace(gpointer mem)
2470 {
2471     trace_g_free(mem);
2472     free(mem);
2473 }
2474
2475 static int object_set_property(const char *name, const char *value, void *opaque)
2476 {
2477     Object *obj = OBJECT(opaque);
2478     StringInputVisitor *siv;
2479     Error *local_err = NULL;
2480
2481     if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2482         return 0;
2483     }
2484
2485     siv = string_input_visitor_new(value);
2486     object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2487     string_input_visitor_cleanup(siv);
2488
2489     if (local_err) {
2490         qerror_report_err(local_err);
2491         error_free(local_err);
2492         return -1;
2493     }
2494
2495     return 0;
2496 }
2497
2498 static int object_create(QemuOpts *opts, void *opaque)
2499 {
2500     const char *type = qemu_opt_get(opts, "qom-type");
2501     const char *id = qemu_opts_id(opts);
2502     Object *obj;
2503
2504     g_assert(type != NULL);
2505
2506     if (id == NULL) {
2507         qerror_report(QERR_MISSING_PARAMETER, "id");
2508         return -1;
2509     }
2510
2511     obj = object_new(type);
2512     if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2513         return -1;
2514     }
2515
2516     object_property_add_child(container_get(object_get_root(), "/objects"),
2517                               id, obj, NULL);
2518
2519     return 0;
2520 }
2521
2522 int main(int argc, char **argv, char **envp)
2523 {
2524     int i;
2525     int snapshot, linux_boot;
2526     const char *icount_option = NULL;
2527     const char *initrd_filename;
2528     const char *kernel_filename, *kernel_cmdline;
2529     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2530     DisplayState *ds;
2531     int cyls, heads, secs, translation;
2532     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2533     QemuOptsList *olist;
2534     int optind;
2535     const char *optarg;
2536     const char *loadvm = NULL;
2537     QEMUMachine *machine;
2538     const char *cpu_model;
2539     const char *vga_model = "none";
2540     const char *pid_file = NULL;
2541     const char *incoming = NULL;
2542 #ifdef CONFIG_VNC
2543     int show_vnc_port = 0;
2544 #endif
2545     bool defconfig = true;
2546     bool userconfig = true;
2547     const char *log_mask = NULL;
2548     const char *log_file = NULL;
2549     GMemVTable mem_trace = {
2550         .malloc = malloc_and_trace,
2551         .realloc = realloc_and_trace,
2552         .free = free_and_trace,
2553     };
2554     const char *trace_events = NULL;
2555     const char *trace_file = NULL;
2556
2557     atexit(qemu_run_exit_notifiers);
2558     error_set_progname(argv[0]);
2559
2560     g_mem_set_vtable(&mem_trace);
2561     if (!g_thread_supported()) {
2562 #if !GLIB_CHECK_VERSION(2, 31, 0)
2563         g_thread_init(NULL);
2564 #else
2565         fprintf(stderr, "glib threading failed to initialize.\n");
2566         exit(1);
2567 #endif
2568     }
2569
2570     module_call_init(MODULE_INIT_QOM);
2571
2572     runstate_init();
2573
2574     init_clocks();
2575     rtc_clock = host_clock;
2576
2577     qemu_cache_utils_init(envp);
2578
2579     QLIST_INIT (&vm_change_state_head);
2580     os_setup_early_signal_handling();
2581
2582     module_call_init(MODULE_INIT_MACHINE);
2583     machine = find_default_machine();
2584     cpu_model = NULL;
2585     ram_size = 0;
2586     snapshot = 0;
2587     cyls = heads = secs = 0;
2588     translation = BIOS_ATA_TRANSLATION_AUTO;
2589
2590     for (i = 0; i < MAX_NODES; i++) {
2591         node_mem[i] = 0;
2592         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2593     }
2594
2595     nb_numa_nodes = 0;
2596     nb_nics = 0;
2597
2598     autostart= 1;
2599
2600     /* first pass of option parsing */
2601     optind = 1;
2602     while (optind < argc) {
2603         if (argv[optind][0] != '-') {
2604             /* disk image */
2605             optind++;
2606             continue;
2607         } else {
2608             const QEMUOption *popt;
2609
2610             popt = lookup_opt(argc, argv, &optarg, &optind);
2611             switch (popt->index) {
2612             case QEMU_OPTION_nodefconfig:
2613                 defconfig = false;
2614                 break;
2615             case QEMU_OPTION_nouserconfig:
2616                 userconfig = false;
2617                 break;
2618             }
2619         }
2620     }
2621
2622     if (defconfig) {
2623         int ret;
2624         ret = qemu_read_default_config_files(userconfig);
2625         if (ret < 0) {
2626             exit(1);
2627         }
2628     }
2629
2630     /* second pass of option parsing */
2631     optind = 1;
2632     for(;;) {
2633         if (optind >= argc)
2634             break;
2635         if (argv[optind][0] != '-') {
2636             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2637         } else {
2638             const QEMUOption *popt;
2639
2640             popt = lookup_opt(argc, argv, &optarg, &optind);
2641             if (!(popt->arch_mask & arch_type)) {
2642                 printf("Option %s not supported for this target\n", popt->name);
2643                 exit(1);
2644             }
2645             switch(popt->index) {
2646             case QEMU_OPTION_M:
2647                 machine = machine_parse(optarg);
2648                 break;
2649             case QEMU_OPTION_no_kvm_irqchip: {
2650                 olist = qemu_find_opts("machine");
2651                 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2652                 break;
2653             }
2654             case QEMU_OPTION_cpu:
2655                 /* hw initialization will check this */
2656                 cpu_model = optarg;
2657                 break;
2658             case QEMU_OPTION_hda:
2659                 {
2660                     char buf[256];
2661                     if (cyls == 0)
2662                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2663                     else
2664                         snprintf(buf, sizeof(buf),
2665                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2666                                  HD_OPTS , cyls, heads, secs,
2667                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2668                                  ",trans=lba" :
2669                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2670                                  ",trans=none" : "");
2671                     drive_add(IF_DEFAULT, 0, optarg, buf);
2672                     break;
2673                 }
2674             case QEMU_OPTION_hdb:
2675             case QEMU_OPTION_hdc:
2676             case QEMU_OPTION_hdd:
2677                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2678                           HD_OPTS);
2679                 break;
2680             case QEMU_OPTION_drive:
2681                 if (drive_def(optarg) == NULL) {
2682                     exit(1);
2683                 }
2684                 break;
2685             case QEMU_OPTION_set:
2686                 if (qemu_set_option(optarg) != 0)
2687                     exit(1);
2688                 break;
2689             case QEMU_OPTION_global:
2690                 if (qemu_global_option(optarg) != 0)
2691                     exit(1);
2692                 break;
2693             case QEMU_OPTION_mtdblock:
2694                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2695                 break;
2696             case QEMU_OPTION_sd:
2697                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2698                 break;
2699             case QEMU_OPTION_pflash:
2700                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2701                 break;
2702             case QEMU_OPTION_snapshot:
2703                 snapshot = 1;
2704                 break;
2705             case QEMU_OPTION_hdachs:
2706                 {
2707                     const char *p;
2708                     p = optarg;
2709                     cyls = strtol(p, (char **)&p, 0);
2710                     if (cyls < 1 || cyls > 16383)
2711                         goto chs_fail;
2712                     if (*p != ',')
2713                         goto chs_fail;
2714                     p++;
2715                     heads = strtol(p, (char **)&p, 0);
2716                     if (heads < 1 || heads > 16)
2717                         goto chs_fail;
2718                     if (*p != ',')
2719                         goto chs_fail;
2720                     p++;
2721                     secs = strtol(p, (char **)&p, 0);
2722                     if (secs < 1 || secs > 63)
2723                         goto chs_fail;
2724                     if (*p == ',') {
2725                         p++;
2726                         if (!strcmp(p, "none"))
2727                             translation = BIOS_ATA_TRANSLATION_NONE;
2728                         else if (!strcmp(p, "lba"))
2729                             translation = BIOS_ATA_TRANSLATION_LBA;
2730                         else if (!strcmp(p, "auto"))
2731                             translation = BIOS_ATA_TRANSLATION_AUTO;
2732                         else
2733                             goto chs_fail;
2734                     } else if (*p != '\0') {
2735                     chs_fail:
2736                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2737                         exit(1);
2738                     }
2739                     if (hda_opts != NULL) {
2740                         char num[16];
2741                         snprintf(num, sizeof(num), "%d", cyls);
2742                         qemu_opt_set(hda_opts, "cyls", num);
2743                         snprintf(num, sizeof(num), "%d", heads);
2744                         qemu_opt_set(hda_opts, "heads", num);
2745                         snprintf(num, sizeof(num), "%d", secs);
2746                         qemu_opt_set(hda_opts, "secs", num);
2747                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2748                             qemu_opt_set(hda_opts, "trans", "lba");
2749                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2750                             qemu_opt_set(hda_opts, "trans", "none");
2751                     }
2752                 }
2753                 break;
2754             case QEMU_OPTION_numa:
2755                 if (nb_numa_nodes >= MAX_NODES) {
2756                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2757                     exit(1);
2758                 }
2759                 numa_add(optarg);
2760                 break;
2761             case QEMU_OPTION_display:
2762                 display_type = select_display(optarg);
2763                 break;
2764             case QEMU_OPTION_nographic:
2765                 display_type = DT_NOGRAPHIC;
2766                 break;
2767             case QEMU_OPTION_curses:
2768 #ifdef CONFIG_CURSES
2769                 display_type = DT_CURSES;
2770 #else
2771                 fprintf(stderr, "Curses support is disabled\n");
2772                 exit(1);
2773 #endif
2774                 break;
2775             case QEMU_OPTION_portrait:
2776                 graphic_rotate = 90;
2777                 break;
2778             case QEMU_OPTION_rotate:
2779                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2780                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2781                     graphic_rotate != 180 && graphic_rotate != 270) {
2782                     fprintf(stderr,
2783                         "qemu: only 90, 180, 270 deg rotation is available\n");
2784                     exit(1);
2785                 }
2786                 break;
2787             case QEMU_OPTION_kernel:
2788                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2789                 break;
2790             case QEMU_OPTION_initrd:
2791                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2792                 break;
2793             case QEMU_OPTION_append:
2794                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2795                 break;
2796             case QEMU_OPTION_dtb:
2797                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2798                 break;
2799             case QEMU_OPTION_cdrom:
2800                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2801                 break;
2802             case QEMU_OPTION_boot:
2803                 {
2804                     static const char * const params[] = {
2805                         "order", "once", "menu",
2806                         "splash", "splash-time",
2807                         "reboot-timeout", NULL
2808                     };
2809                     char buf[sizeof(boot_devices)];
2810                     char *standard_boot_devices;
2811                     int legacy = 0;
2812
2813                     if (!strchr(optarg, '=')) {
2814                         legacy = 1;
2815                         pstrcpy(buf, sizeof(buf), optarg);
2816                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2817                         fprintf(stderr,
2818                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2819                                 buf, optarg);
2820                         exit(1);
2821                     }
2822
2823                     if (legacy ||
2824                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2825                         validate_bootdevices(buf);
2826                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2827                     }
2828                     if (!legacy) {
2829                         if (get_param_value(buf, sizeof(buf),
2830                                             "once", optarg)) {
2831                             validate_bootdevices(buf);
2832                             standard_boot_devices = g_strdup(boot_devices);
2833                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2834                             qemu_register_reset(restore_boot_devices,
2835                                                 standard_boot_devices);
2836                         }
2837                         if (get_param_value(buf, sizeof(buf),
2838                                             "menu", optarg)) {
2839                             if (!strcmp(buf, "on")) {
2840                                 boot_menu = 1;
2841                             } else if (!strcmp(buf, "off")) {
2842                                 boot_menu = 0;
2843                             } else {
2844                                 fprintf(stderr,
2845                                         "qemu: invalid option value '%s'\n",
2846                                         buf);
2847                                 exit(1);
2848                             }
2849                         }
2850                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2851                                         optarg, 0);
2852                     }
2853                 }
2854                 break;
2855             case QEMU_OPTION_fda:
2856             case QEMU_OPTION_fdb:
2857                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2858                           optarg, FD_OPTS);
2859                 break;
2860             case QEMU_OPTION_no_fd_bootchk:
2861                 fd_bootchk = 0;
2862                 break;
2863             case QEMU_OPTION_netdev:
2864                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2865                     exit(1);
2866                 }
2867                 break;
2868             case QEMU_OPTION_net:
2869                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2870                     exit(1);
2871                 }
2872                 break;
2873 #ifdef CONFIG_LIBISCSI
2874             case QEMU_OPTION_iscsi:
2875                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2876                 if (!opts) {
2877                     exit(1);
2878                 }
2879                 break;
2880 #endif
2881 #ifdef CONFIG_SLIRP
2882             case QEMU_OPTION_tftp:
2883                 legacy_tftp_prefix = optarg;
2884                 break;
2885             case QEMU_OPTION_bootp:
2886                 legacy_bootp_filename = optarg;
2887                 break;
2888             case QEMU_OPTION_redir:
2889                 if (net_slirp_redir(optarg) < 0)
2890                     exit(1);
2891                 break;
2892 #endif
2893             case QEMU_OPTION_bt:
2894                 add_device_config(DEV_BT, optarg);
2895                 break;
2896             case QEMU_OPTION_audio_help:
2897                 if (!(audio_available())) {
2898                     printf("Option %s not supported for this target\n", popt->name);
2899                     exit(1);
2900                 }
2901                 AUD_help ();
2902                 exit (0);
2903                 break;
2904             case QEMU_OPTION_soundhw:
2905                 if (!(audio_available())) {
2906                     printf("Option %s not supported for this target\n", popt->name);
2907                     exit(1);
2908                 }
2909                 select_soundhw (optarg);
2910                 break;
2911             case QEMU_OPTION_h:
2912                 help(0);
2913                 break;
2914             case QEMU_OPTION_version:
2915                 version();
2916                 exit(0);
2917                 break;
2918             case QEMU_OPTION_m: {
2919                 int64_t value;
2920                 uint64_t sz;
2921                 char *end;
2922
2923                 value = strtosz(optarg, &end);
2924                 if (value < 0 || *end) {
2925                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2926                     exit(1);
2927                 }
2928                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2929                 ram_size = sz;
2930                 if (ram_size != sz) {
2931                     fprintf(stderr, "qemu: ram size too large\n");
2932                     exit(1);
2933                 }
2934                 break;
2935             }
2936             case QEMU_OPTION_mempath:
2937                 mem_path = optarg;
2938                 break;
2939 #ifdef MAP_POPULATE
2940             case QEMU_OPTION_mem_prealloc:
2941                 mem_prealloc = 1;
2942                 break;
2943 #endif
2944             case QEMU_OPTION_d:
2945                 log_mask = optarg;
2946                 break;
2947             case QEMU_OPTION_D:
2948                 log_file = optarg;
2949                 break;
2950             case QEMU_OPTION_s:
2951                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2952                 break;
2953             case QEMU_OPTION_gdb:
2954                 add_device_config(DEV_GDB, optarg);
2955                 break;
2956             case QEMU_OPTION_L:
2957                 data_dir = optarg;
2958                 break;
2959             case QEMU_OPTION_bios:
2960                 bios_name = optarg;
2961                 break;
2962             case QEMU_OPTION_singlestep:
2963                 singlestep = 1;
2964                 break;
2965             case QEMU_OPTION_S:
2966                 autostart = 0;
2967                 break;
2968             case QEMU_OPTION_k:
2969                 keyboard_layout = optarg;
2970                 break;
2971             case QEMU_OPTION_localtime:
2972                 rtc_utc = 0;
2973                 break;
2974             case QEMU_OPTION_vga:
2975                 vga_model = optarg;
2976                 default_vga = 0;
2977                 break;
2978             case QEMU_OPTION_g:
2979                 {
2980                     const char *p;
2981                     int w, h, depth;
2982                     p = optarg;
2983                     w = strtol(p, (char **)&p, 10);
2984                     if (w <= 0) {
2985                     graphic_error:
2986                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2987                         exit(1);
2988                     }
2989                     if (*p != 'x')
2990                         goto graphic_error;
2991                     p++;
2992                     h = strtol(p, (char **)&p, 10);
2993                     if (h <= 0)
2994                         goto graphic_error;
2995                     if (*p == 'x') {
2996                         p++;
2997                         depth = strtol(p, (char **)&p, 10);
2998                         if (depth != 8 && depth != 15 && depth != 16 &&
2999                             depth != 24 && depth != 32)
3000                             goto graphic_error;
3001                     } else if (*p == '\0') {
3002                         depth = graphic_depth;
3003                     } else {
3004                         goto graphic_error;
3005                     }
3006
3007                     graphic_width = w;
3008                     graphic_height = h;
3009                     graphic_depth = depth;
3010                 }
3011                 break;
3012             case QEMU_OPTION_echr:
3013                 {
3014                     char *r;
3015                     term_escape_char = strtol(optarg, &r, 0);
3016                     if (r == optarg)
3017                         printf("Bad argument to echr\n");
3018                     break;
3019                 }
3020             case QEMU_OPTION_monitor:
3021                 monitor_parse(optarg, "readline");
3022                 default_monitor = 0;
3023                 break;
3024             case QEMU_OPTION_qmp:
3025                 monitor_parse(optarg, "control");
3026                 default_monitor = 0;
3027                 break;
3028             case QEMU_OPTION_mon:
3029                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3030                 if (!opts) {
3031                     exit(1);
3032                 }
3033                 default_monitor = 0;
3034                 break;
3035             case QEMU_OPTION_chardev:
3036                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3037                 if (!opts) {
3038                     exit(1);
3039                 }
3040                 break;
3041             case QEMU_OPTION_fsdev:
3042                 olist = qemu_find_opts("fsdev");
3043                 if (!olist) {
3044                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3045                     exit(1);
3046                 }
3047                 opts = qemu_opts_parse(olist, optarg, 1);
3048                 if (!opts) {
3049                     fprintf(stderr, "parse error: %s\n", optarg);
3050                     exit(1);
3051                 }
3052                 break;
3053             case QEMU_OPTION_virtfs: {
3054                 QemuOpts *fsdev;
3055                 QemuOpts *device;
3056                 const char *writeout, *sock_fd, *socket;
3057
3058                 olist = qemu_find_opts("virtfs");
3059                 if (!olist) {
3060                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3061                     exit(1);
3062                 }
3063                 opts = qemu_opts_parse(olist, optarg, 1);
3064                 if (!opts) {
3065                     fprintf(stderr, "parse error: %s\n", optarg);
3066                     exit(1);
3067                 }
3068
3069                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3070                     qemu_opt_get(opts, "mount_tag") == NULL) {
3071                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3072                     exit(1);
3073                 }
3074                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3075                                          qemu_opt_get(opts, "mount_tag"),
3076                                          1, NULL);
3077                 if (!fsdev) {
3078                     fprintf(stderr, "duplicate fsdev id: %s\n",
3079                             qemu_opt_get(opts, "mount_tag"));
3080                     exit(1);
3081                 }
3082
3083                 writeout = qemu_opt_get(opts, "writeout");
3084                 if (writeout) {
3085 #ifdef CONFIG_SYNC_FILE_RANGE
3086                     qemu_opt_set(fsdev, "writeout", writeout);
3087 #else
3088                     fprintf(stderr, "writeout=immediate not supported on "
3089                             "this platform\n");
3090                     exit(1);
3091 #endif
3092                 }
3093                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3094                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3095                 qemu_opt_set(fsdev, "security_model",
3096                              qemu_opt_get(opts, "security_model"));
3097                 socket = qemu_opt_get(opts, "socket");
3098                 if (socket) {
3099                     qemu_opt_set(fsdev, "socket", socket);
3100                 }
3101                 sock_fd = qemu_opt_get(opts, "sock_fd");
3102                 if (sock_fd) {
3103                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
3104                 }
3105
3106                 qemu_opt_set_bool(fsdev, "readonly",
3107                                 qemu_opt_get_bool(opts, "readonly", 0));
3108                 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3109                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3110                 qemu_opt_set(device, "fsdev",
3111                              qemu_opt_get(opts, "mount_tag"));
3112                 qemu_opt_set(device, "mount_tag",
3113                              qemu_opt_get(opts, "mount_tag"));
3114                 break;
3115             }
3116             case QEMU_OPTION_virtfs_synth: {
3117                 QemuOpts *fsdev;
3118                 QemuOpts *device;
3119
3120                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3121                                          1, NULL);
3122                 if (!fsdev) {
3123                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3124                     exit(1);
3125                 }
3126                 qemu_opt_set(fsdev, "fsdriver", "synth");
3127
3128                 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3129                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3130                 qemu_opt_set(device, "fsdev", "v_synth");
3131                 qemu_opt_set(device, "mount_tag", "v_synth");
3132                 break;
3133             }
3134             case QEMU_OPTION_serial:
3135                 add_device_config(DEV_SERIAL, optarg);
3136                 default_serial = 0;
3137                 if (strncmp(optarg, "mon:", 4) == 0) {
3138                     default_monitor = 0;
3139                 }
3140                 break;
3141             case QEMU_OPTION_watchdog:
3142                 if (watchdog) {
3143                     fprintf(stderr,
3144                             "qemu: only one watchdog option may be given\n");
3145                     return 1;
3146                 }
3147                 watchdog = optarg;
3148                 break;
3149             case QEMU_OPTION_watchdog_action:
3150                 if (select_watchdog_action(optarg) == -1) {
3151                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
3152                     exit(1);
3153                 }
3154                 break;
3155             case QEMU_OPTION_virtiocon:
3156                 add_device_config(DEV_VIRTCON, optarg);
3157                 default_virtcon = 0;
3158                 if (strncmp(optarg, "mon:", 4) == 0) {
3159                     default_monitor = 0;
3160                 }
3161                 break;
3162             case QEMU_OPTION_parallel:
3163                 add_device_config(DEV_PARALLEL, optarg);
3164                 default_parallel = 0;
3165                 if (strncmp(optarg, "mon:", 4) == 0) {
3166                     default_monitor = 0;
3167                 }
3168                 break;
3169             case QEMU_OPTION_debugcon:
3170                 add_device_config(DEV_DEBUGCON, optarg);
3171                 break;
3172             case QEMU_OPTION_loadvm:
3173                 loadvm = optarg;
3174                 break;
3175             case QEMU_OPTION_full_screen:
3176                 full_screen = 1;
3177                 break;
3178 #ifdef CONFIG_SDL
3179             case QEMU_OPTION_no_frame:
3180                 no_frame = 1;
3181                 break;
3182             case QEMU_OPTION_alt_grab:
3183                 alt_grab = 1;
3184                 break;
3185             case QEMU_OPTION_ctrl_grab:
3186                 ctrl_grab = 1;
3187                 break;
3188             case QEMU_OPTION_no_quit:
3189                 no_quit = 1;
3190                 break;
3191             case QEMU_OPTION_sdl:
3192                 display_type = DT_SDL;
3193                 break;
3194 #else
3195             case QEMU_OPTION_no_frame:
3196             case QEMU_OPTION_alt_grab:
3197             case QEMU_OPTION_ctrl_grab:
3198             case QEMU_OPTION_no_quit:
3199             case QEMU_OPTION_sdl:
3200                 fprintf(stderr, "SDL support is disabled\n");
3201                 exit(1);
3202 #endif
3203             case QEMU_OPTION_pidfile:
3204                 pid_file = optarg;
3205                 break;
3206             case QEMU_OPTION_win2k_hack:
3207                 win2k_install_hack = 1;
3208                 break;
3209             case QEMU_OPTION_rtc_td_hack: {
3210                 static GlobalProperty slew_lost_ticks[] = {
3211                     {
3212                         .driver   = "mc146818rtc",
3213                         .property = "lost_tick_policy",
3214                         .value    = "slew",
3215                     },
3216                     { /* end of list */ }
3217                 };
3218
3219                 qdev_prop_register_global_list(slew_lost_ticks);
3220                 break;
3221             }
3222             case QEMU_OPTION_acpitable:
3223                 do_acpitable_option(optarg);
3224                 break;
3225             case QEMU_OPTION_smbios:
3226                 do_smbios_option(optarg);
3227                 break;
3228             case QEMU_OPTION_enable_kvm:
3229                 olist = qemu_find_opts("machine");
3230                 qemu_opts_parse(olist, "accel=kvm", 0);
3231                 break;
3232             case QEMU_OPTION_machine:
3233                 olist = qemu_find_opts("machine");
3234                 opts = qemu_opts_parse(olist, optarg, 1);
3235                 if (!opts) {
3236                     fprintf(stderr, "parse error: %s\n", optarg);
3237                     exit(1);
3238                 }
3239                 optarg = qemu_opt_get(opts, "type");
3240                 if (optarg) {
3241                     machine = machine_parse(optarg);
3242                 }
3243                 break;
3244              case QEMU_OPTION_no_kvm:
3245                 olist = qemu_find_opts("machine");
3246                 qemu_opts_parse(olist, "accel=tcg", 0);
3247                 break;
3248             case QEMU_OPTION_no_kvm_pit: {
3249                 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3250                                 "separately.\n");
3251                 break;
3252             }
3253             case QEMU_OPTION_no_kvm_pit_reinjection: {
3254                 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3255                     {
3256                         .driver   = "kvm-pit",
3257                         .property = "lost_tick_policy",
3258                         .value    = "discard",
3259                     },
3260                     { /* end of list */ }
3261                 };
3262
3263                 fprintf(stderr, "Warning: option deprecated, use "
3264                         "lost_tick_policy property of kvm-pit instead.\n");
3265                 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3266                 break;
3267             }
3268             case QEMU_OPTION_usb:
3269                 olist = qemu_find_opts("machine");
3270                 qemu_opts_parse(olist, "usb=on", 0);
3271                 break;
3272             case QEMU_OPTION_usbdevice:
3273                 olist = qemu_find_opts("machine");
3274                 qemu_opts_parse(olist, "usb=on", 0);
3275                 add_device_config(DEV_USB, optarg);
3276                 break;
3277             case QEMU_OPTION_device:
3278                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3279                     exit(1);
3280                 }
3281                 break;
3282             case QEMU_OPTION_smp:
3283                 smp_parse(optarg);
3284                 if (smp_cpus < 1) {
3285                     fprintf(stderr, "Invalid number of CPUs\n");
3286                     exit(1);
3287                 }
3288                 if (max_cpus < smp_cpus) {
3289                     fprintf(stderr, "maxcpus must be equal to or greater than "
3290                             "smp\n");
3291                     exit(1);
3292                 }
3293                 if (max_cpus > 255) {
3294                     fprintf(stderr, "Unsupported number of maxcpus\n");
3295                     exit(1);
3296                 }
3297                 break;
3298             case QEMU_OPTION_vnc:
3299 #ifdef CONFIG_VNC
3300                 display_remote++;
3301                 vnc_display = optarg;
3302 #else
3303                 fprintf(stderr, "VNC support is disabled\n");
3304                 exit(1);
3305 #endif
3306                 break;
3307             case QEMU_OPTION_no_acpi:
3308                 acpi_enabled = 0;
3309                 break;
3310             case QEMU_OPTION_no_hpet:
3311                 no_hpet = 1;
3312                 break;
3313             case QEMU_OPTION_balloon:
3314                 if (balloon_parse(optarg) < 0) {
3315                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3316                     exit(1);
3317                 }
3318                 break;
3319             case QEMU_OPTION_no_reboot:
3320                 no_reboot = 1;
3321                 break;
3322             case QEMU_OPTION_no_shutdown:
3323                 no_shutdown = 1;
3324                 break;
3325             case QEMU_OPTION_show_cursor:
3326                 cursor_hide = 0;
3327                 break;
3328             case QEMU_OPTION_uuid:
3329                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3330                     fprintf(stderr, "Fail to parse UUID string."
3331                             " Wrong format.\n");
3332                     exit(1);
3333                 }
3334                 break;
3335             case QEMU_OPTION_option_rom:
3336                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3337                     fprintf(stderr, "Too many option ROMs\n");
3338                     exit(1);
3339                 }
3340                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3341                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3342                 option_rom[nb_option_roms].bootindex =
3343                     qemu_opt_get_number(opts, "bootindex", -1);
3344                 if (!option_rom[nb_option_roms].name) {
3345                     fprintf(stderr, "Option ROM file is not specified\n");
3346                     exit(1);
3347                 }
3348                 nb_option_roms++;
3349                 break;
3350             case QEMU_OPTION_semihosting:
3351                 semihosting_enabled = 1;
3352                 break;
3353             case QEMU_OPTION_tdf:
3354                 fprintf(stderr, "Warning: user space PIT time drift fix "
3355                                 "is no longer supported.\n");
3356                 break;
3357             case QEMU_OPTION_name:
3358                 qemu_name = g_strdup(optarg);
3359                  {
3360                      char *p = strchr(qemu_name, ',');
3361                      if (p != NULL) {
3362                         *p++ = 0;
3363                         if (strncmp(p, "process=", 8)) {
3364                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3365                             exit(1);
3366                         }
3367                         p += 8;
3368                         os_set_proc_name(p);
3369                      }
3370                  }
3371                 break;
3372             case QEMU_OPTION_prom_env:
3373                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3374                     fprintf(stderr, "Too many prom variables\n");
3375                     exit(1);
3376                 }
3377                 prom_envs[nb_prom_envs] = optarg;
3378                 nb_prom_envs++;
3379                 break;
3380             case QEMU_OPTION_old_param:
3381                 old_param = 1;
3382                 break;
3383             case QEMU_OPTION_clock:
3384                 configure_alarms(optarg);
3385                 break;
3386             case QEMU_OPTION_startdate:
3387                 configure_rtc_date_offset(optarg, 1);
3388                 break;
3389             case QEMU_OPTION_rtc:
3390                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3391                 if (!opts) {
3392                     exit(1);
3393                 }
3394                 configure_rtc(opts);
3395                 break;
3396             case QEMU_OPTION_tb_size:
3397                 tcg_tb_size = strtol(optarg, NULL, 0);
3398                 if (tcg_tb_size < 0) {
3399                     tcg_tb_size = 0;
3400                 }
3401                 break;
3402             case QEMU_OPTION_icount:
3403                 icount_option = optarg;
3404                 break;
3405             case QEMU_OPTION_incoming:
3406                 incoming = optarg;
3407                 runstate_set(RUN_STATE_INMIGRATE);
3408                 break;
3409             case QEMU_OPTION_nodefaults:
3410                 default_serial = 0;
3411                 default_parallel = 0;
3412                 default_virtcon = 0;
3413                 default_monitor = 0;
3414                 default_net = 0;
3415                 default_floppy = 0;
3416                 default_cdrom = 0;
3417                 default_sdcard = 0;
3418                 default_vga = 0;
3419                 break;
3420             case QEMU_OPTION_xen_domid:
3421                 if (!(xen_available())) {
3422                     printf("Option %s not supported for this target\n", popt->name);
3423                     exit(1);
3424                 }
3425                 xen_domid = atoi(optarg);
3426                 break;
3427             case QEMU_OPTION_xen_create:
3428                 if (!(xen_available())) {
3429                     printf("Option %s not supported for this target\n", popt->name);
3430                     exit(1);
3431                 }
3432                 xen_mode = XEN_CREATE;
3433                 break;
3434             case QEMU_OPTION_xen_attach:
3435                 if (!(xen_available())) {
3436                     printf("Option %s not supported for this target\n", popt->name);
3437                     exit(1);
3438                 }
3439                 xen_mode = XEN_ATTACH;
3440                 break;
3441             case QEMU_OPTION_trace:
3442             {
3443                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3444                 if (!opts) {
3445                     exit(1);
3446                 }
3447                 trace_events = qemu_opt_get(opts, "events");
3448                 trace_file = qemu_opt_get(opts, "file");
3449                 break;
3450             }
3451             case QEMU_OPTION_readconfig:
3452                 {
3453                     int ret = qemu_read_config_file(optarg);
3454                     if (ret < 0) {
3455                         fprintf(stderr, "read config %s: %s\n", optarg,
3456                             strerror(-ret));
3457                         exit(1);
3458                     }
3459                     break;
3460                 }
3461             case QEMU_OPTION_spice:
3462                 olist = qemu_find_opts("spice");
3463                 if (!olist) {
3464                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3465                     exit(1);
3466                 }
3467                 opts = qemu_opts_parse(olist, optarg, 0);
3468                 if (!opts) {
3469                     fprintf(stderr, "parse error: %s\n", optarg);
3470                     exit(1);
3471                 }
3472                 break;
3473             case QEMU_OPTION_writeconfig:
3474                 {
3475                     FILE *fp;
3476                     if (strcmp(optarg, "-") == 0) {
3477                         fp = stdout;
3478                     } else {
3479                         fp = fopen(optarg, "w");
3480                         if (fp == NULL) {
3481                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3482                             exit(1);
3483                         }
3484                     }
3485                     qemu_config_write(fp);
3486                     fclose(fp);
3487                     break;
3488                 }
3489             case QEMU_OPTION_qtest:
3490                 qtest_chrdev = optarg;
3491                 break;
3492             case QEMU_OPTION_qtest_log:
3493                 qtest_log = optarg;
3494                 break;
3495             case QEMU_OPTION_sandbox:
3496                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3497                 if (!opts) {
3498                     exit(0);
3499                 }
3500                 break;
3501             case QEMU_OPTION_add_fd:
3502 #ifndef _WIN32
3503                 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3504                 if (!opts) {
3505                     exit(0);
3506                 }
3507 #else
3508                 error_report("File descriptor passing is disabled on this "
3509                              "platform");
3510                 exit(1);
3511 #endif
3512                 break;
3513             case QEMU_OPTION_object:
3514                 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3515                 break;
3516             default:
3517                 os_parse_cmd_args(popt->index, optarg);
3518             }
3519         }
3520     }
3521     loc_set_none();
3522
3523     if (qemu_init_main_loop()) {
3524         fprintf(stderr, "qemu_init_main_loop failed\n");
3525         exit(1);
3526     }
3527
3528     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3529         exit(1);
3530     }
3531
3532 #ifndef _WIN32
3533     if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3534         exit(1);
3535     }
3536
3537     if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3538         exit(1);
3539     }
3540 #endif
3541
3542     if (machine == NULL) {
3543         fprintf(stderr, "No machine found.\n");
3544         exit(1);
3545     }
3546
3547     if (machine->hw_version) {
3548         qemu_set_version(machine->hw_version);
3549     }
3550
3551     if (qemu_opts_foreach(qemu_find_opts("object"),
3552                           object_create, NULL, 0) != 0) {
3553         exit(1);
3554     }
3555
3556     /* Init CPU def lists, based on config
3557      * - Must be called after all the qemu_read_config_file() calls
3558      * - Must be called before list_cpus()
3559      * - Must be called before machine->init()
3560      */
3561     cpudef_init();
3562
3563     if (cpu_model && is_help_option(cpu_model)) {
3564         list_cpus(stdout, &fprintf, cpu_model);
3565         exit(0);
3566     }
3567
3568     /* Open the logfile at this point, if necessary. We can't open the logfile
3569      * when encountering either of the logging options (-d or -D) because the
3570      * other one may be encountered later on the command line, changing the
3571      * location or level of logging.
3572      */
3573     if (log_mask) {
3574         if (log_file) {
3575             set_cpu_log_filename(log_file);
3576         }
3577         set_cpu_log(log_mask);
3578     }
3579
3580     if (!trace_backend_init(trace_events, trace_file)) {
3581         exit(1);
3582     }
3583
3584     /* If no data_dir is specified then try to find it relative to the
3585        executable path.  */
3586     if (!data_dir) {
3587         data_dir = os_find_datadir(argv[0]);
3588     }
3589     /* If all else fails use the install path specified when building. */
3590     if (!data_dir) {
3591         data_dir = CONFIG_QEMU_DATADIR;
3592     }
3593
3594     /*
3595      * Default to max_cpus = smp_cpus, in case the user doesn't
3596      * specify a max_cpus value.
3597      */
3598     if (!max_cpus)
3599         max_cpus = smp_cpus;
3600
3601     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3602     if (smp_cpus > machine->max_cpus) {
3603         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3604                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3605                 machine->max_cpus);
3606         exit(1);
3607     }
3608
3609     /*
3610      * Get the default machine options from the machine if it is not already
3611      * specified either by the configuration file or by the command line.
3612      */
3613     if (machine->default_machine_opts) {
3614         qemu_opts_set_defaults(qemu_find_opts("machine"),
3615                                machine->default_machine_opts, 0);
3616     }
3617
3618     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3619     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3620
3621     if (machine->no_serial) {
3622         default_serial = 0;
3623     }
3624     if (machine->no_parallel) {
3625         default_parallel = 0;
3626     }
3627     if (!machine->use_virtcon) {
3628         default_virtcon = 0;
3629     }
3630     if (machine->no_floppy) {
3631         default_floppy = 0;
3632     }
3633     if (machine->no_cdrom) {
3634         default_cdrom = 0;
3635     }
3636     if (machine->no_sdcard) {
3637         default_sdcard = 0;
3638     }
3639
3640     if (display_type == DT_NOGRAPHIC) {
3641         if (default_parallel)
3642             add_device_config(DEV_PARALLEL, "null");
3643         if (default_serial && default_monitor) {
3644             add_device_config(DEV_SERIAL, "mon:stdio");
3645         } else if (default_virtcon && default_monitor) {
3646             add_device_config(DEV_VIRTCON, "mon:stdio");
3647         } else {
3648             if (default_serial)
3649                 add_device_config(DEV_SERIAL, "stdio");
3650             if (default_virtcon)
3651                 add_device_config(DEV_VIRTCON, "stdio");
3652             if (default_monitor)
3653                 monitor_parse("stdio", "readline");
3654         }
3655     } else {
3656         if (default_serial)
3657             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3658         if (default_parallel)
3659             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3660         if (default_monitor)
3661             monitor_parse("vc:80Cx24C", "readline");
3662         if (default_virtcon)
3663             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3664     }
3665
3666     socket_init();
3667
3668     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3669         exit(1);
3670 #ifdef CONFIG_VIRTFS
3671     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3672         exit(1);
3673     }
3674 #endif
3675
3676     os_daemonize();
3677
3678     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3679         os_pidfile_error();
3680         exit(1);
3681     }
3682
3683     /* init the memory */
3684     if (ram_size == 0) {
3685         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3686     }
3687
3688     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3689         != 0) {
3690         exit(0);
3691     }
3692
3693     configure_accelerator();
3694
3695     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3696     if (machine_opts) {
3697         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3698         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3699         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3700     } else {
3701         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3702     }
3703
3704     if (!kernel_cmdline) {
3705         kernel_cmdline = "";
3706     }
3707
3708     linux_boot = (kernel_filename != NULL);
3709
3710     if (!linux_boot && *kernel_cmdline != '\0') {
3711         fprintf(stderr, "-append only allowed with -kernel option\n");
3712         exit(1);
3713     }
3714
3715     if (!linux_boot && initrd_filename != NULL) {
3716         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3717         exit(1);
3718     }
3719
3720     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3721         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3722         exit(1);
3723     }
3724
3725     os_set_line_buffering();
3726
3727     qemu_init_cpu_loop();
3728     qemu_mutex_lock_iothread();
3729
3730 #ifdef CONFIG_SPICE
3731     /* spice needs the timers to be initialized by this point */
3732     qemu_spice_init();
3733 #endif
3734
3735     if (icount_option && (kvm_enabled() || xen_enabled())) {
3736         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3737         exit(1);
3738     }
3739     configure_icount(icount_option);
3740
3741     if (net_init_clients() < 0) {
3742         exit(1);
3743     }
3744
3745     /* init the bluetooth world */
3746     if (foreach_device_config(DEV_BT, bt_parse))
3747         exit(1);
3748
3749     if (!xen_enabled()) {
3750         /* On 32-bit hosts, QEMU is limited by virtual address space */
3751         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3752             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3753             exit(1);
3754         }
3755     }
3756
3757     cpu_exec_init_all();
3758
3759     bdrv_init_with_whitelist();
3760
3761     blk_mig_init();
3762
3763     /* open the virtual block devices */
3764     if (snapshot)
3765         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3766     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
3767                           &machine->block_default_type, 1) != 0) {
3768         exit(1);
3769     }
3770
3771     default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
3772                   CDROM_OPTS);
3773     default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
3774     default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
3775
3776     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3777
3778     if (nb_numa_nodes > 0) {
3779         int i;
3780
3781         if (nb_numa_nodes > MAX_NODES) {
3782             nb_numa_nodes = MAX_NODES;
3783         }
3784
3785         /* If no memory size if given for any node, assume the default case
3786          * and distribute the available memory equally across all nodes
3787          */
3788         for (i = 0; i < nb_numa_nodes; i++) {
3789             if (node_mem[i] != 0)
3790                 break;
3791         }
3792         if (i == nb_numa_nodes) {
3793             uint64_t usedmem = 0;
3794
3795             /* On Linux, the each node's border has to be 8MB aligned,
3796              * the final node gets the rest.
3797              */
3798             for (i = 0; i < nb_numa_nodes - 1; i++) {
3799                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3800                 usedmem += node_mem[i];
3801             }
3802             node_mem[i] = ram_size - usedmem;
3803         }
3804
3805         for (i = 0; i < nb_numa_nodes; i++) {
3806             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3807                 break;
3808             }
3809         }
3810         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3811          * must cope with this anyway, because there are BIOSes out there in
3812          * real machines which also use this scheme.
3813          */
3814         if (i == nb_numa_nodes) {
3815             for (i = 0; i < max_cpus; i++) {
3816                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3817             }
3818         }
3819     }
3820
3821     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3822         exit(1);
3823     }
3824
3825     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3826         exit(1);
3827     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3828         exit(1);
3829     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3830         exit(1);
3831     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3832         exit(1);
3833
3834     /* If no default VGA is requested, the default is "none".  */
3835     if (default_vga) {
3836         if (cirrus_vga_available()) {
3837             vga_model = "cirrus";
3838         } else if (vga_available()) {
3839             vga_model = "std";
3840         }
3841     }
3842     select_vgahw(vga_model);
3843
3844     if (watchdog) {
3845         i = select_watchdog(watchdog);
3846         if (i > 0)
3847             exit (i == 1 ? 1 : 0);
3848     }
3849
3850     if (machine->compat_props) {
3851         qdev_prop_register_global_list(machine->compat_props);
3852     }
3853     qemu_add_globals();
3854
3855     qdev_machine_init();
3856
3857     QEMUMachineInitArgs args = { .ram_size = ram_size,
3858                                  .boot_device = boot_devices,
3859                                  .kernel_filename = kernel_filename,
3860                                  .kernel_cmdline = kernel_cmdline,
3861                                  .initrd_filename = initrd_filename,
3862                                  .cpu_model = cpu_model };
3863     machine->init(&args);
3864
3865     cpu_synchronize_all_post_init();
3866
3867     set_numa_modes();
3868
3869     current_machine = machine;
3870
3871     /* init USB devices */
3872     if (usb_enabled(false)) {
3873         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3874             exit(1);
3875     }
3876
3877     /* init generic devices */
3878     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3879         exit(1);
3880
3881     net_check_clients();
3882
3883     /* just use the first displaystate for the moment */
3884     ds = get_displaystate();
3885
3886     if (using_spice)
3887         display_remote++;
3888     if (display_type == DT_DEFAULT && !display_remote) {
3889 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3890         display_type = DT_SDL;
3891 #elif defined(CONFIG_VNC)
3892         vnc_display = "localhost:0,to=99";
3893         show_vnc_port = 1;
3894 #else
3895         display_type = DT_NONE;
3896 #endif
3897     }
3898
3899
3900     /* init local displays */
3901     switch (display_type) {
3902     case DT_NOGRAPHIC:
3903         break;
3904 #if defined(CONFIG_CURSES)
3905     case DT_CURSES:
3906         if (!is_daemonized()) {
3907             curses_display_init(ds, full_screen);
3908         }
3909         break;
3910 #endif
3911 #if defined(CONFIG_SDL)
3912     case DT_SDL:
3913         sdl_display_init(ds, full_screen, no_frame);
3914         break;
3915 #elif defined(CONFIG_COCOA)
3916     case DT_SDL:
3917         cocoa_display_init(ds, full_screen);
3918         break;
3919 #endif
3920     default:
3921         break;
3922     }
3923
3924     /* must be after terminal init, SDL library changes signal handlers */
3925     os_setup_signal_handling();
3926
3927 #ifdef CONFIG_VNC
3928     /* init remote displays */
3929     if (vnc_display) {
3930         Error *local_err = NULL;
3931         vnc_display_init(ds);
3932         vnc_display_open(ds, vnc_display, &local_err);
3933         if (local_err != NULL) {
3934             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3935                     vnc_display, error_get_pretty(local_err));
3936             error_free(local_err);
3937             exit(1);
3938         }
3939
3940         if (show_vnc_port) {
3941             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3942         }
3943     }
3944 #endif
3945 #ifdef CONFIG_SPICE
3946     if (using_spice && !qxl_enabled) {
3947         qemu_spice_display_init(ds);
3948     }
3949 #endif
3950
3951     /* display setup */
3952     text_consoles_set_display(ds);
3953
3954     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3955         exit(1);
3956     }
3957
3958     qdev_machine_creation_done();
3959
3960     if (rom_load_all() != 0) {
3961         fprintf(stderr, "rom loading failed\n");
3962         exit(1);
3963     }
3964
3965     /* TODO: once all bus devices are qdevified, this should be done
3966      * when bus is created by qdev.c */
3967     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3968     qemu_run_machine_init_done_notifiers();
3969
3970     qemu_system_reset(VMRESET_SILENT);
3971     if (loadvm) {
3972         if (load_vmstate(loadvm) < 0) {
3973             autostart = 0;
3974         }
3975     }
3976
3977     if (incoming) {
3978         Error *local_err = NULL;
3979         qemu_start_incoming_migration(incoming, &local_err);
3980         if (local_err) {
3981             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3982             error_free(local_err);
3983             exit(1);
3984         }
3985     } else if (autostart) {
3986         vm_start();
3987     }
3988
3989     os_setup_post();
3990
3991     resume_all_vcpus();
3992     main_loop();
3993     bdrv_close_all();
3994     pause_all_vcpus();
3995     net_cleanup();
3996     res_free();
3997
3998     return 0;
3999 }