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     int *use_scsi = opaque;
 890
 891     return drive_init(opts, *use_scsi) == 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, int use_scsi,
 903                           BlockInterfaceType type, int index,
 904                           const char *optstr)
 905 {
 906     QemuOpts *opts;
 907
 908     if (type == IF_DEFAULT) {
 909         type = use_scsi ? IF_SCSI : IF_IDE;
 910     }
 911
 912     if (!enable || drive_get_by_index(type, index)) {
 913         return;
 914     }
 915
 916     opts = drive_add(type, index, NULL, optstr);
 917     if (snapshot) {
 918         drive_enable_snapshot(opts, NULL);
 919     }
 920     if (!drive_init(opts, use_scsi)) {
 921         exit(1);
 922     }
 923 }
 924
 925 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 926 {
 927     boot_set_handler = func;
 928     boot_set_opaque = opaque;
 929 }
 930
 931 int qemu_boot_set(const char *boot_devices)
 932 {
 933     if (!boot_set_handler) {
 934         return -EINVAL;
 935     }
 936     return boot_set_handler(boot_set_opaque, boot_devices);
 937 }
 938
 939 static void validate_bootdevices(char *devices)
 940 {
 941     /* We just do some generic consistency checks */
 942     const char *p;
 943     int bitmap = 0;
 944
 945     for (p = devices; *p != '\0'; p++) {
 946         /* Allowed boot devices are:
 947          * a-b: floppy disk drives
 948          * c-f: IDE disk drives
 949          * g-m: machine implementation dependent drives
 950          * n-p: network devices
 951          * It's up to each machine implementation to check if the given boot
 952          * devices match the actual hardware implementation and firmware
 953          * features.
 954          */
 955         if (*p < 'a' || *p > 'p') {
 956             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 957             exit(1);
 958         }
 959         if (bitmap & (1 << (*p - 'a'))) {
 960             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 961             exit(1);
 962         }
 963         bitmap |= 1 << (*p - 'a');
 964     }
 965 }
 966
 967 static void restore_boot_devices(void *opaque)
 968 {
 969     char *standard_boot_devices = opaque;
 970     static int first = 1;
 971
 972     /* Restore boot order and remove ourselves after the first boot */
 973     if (first) {
 974         first = 0;
 975         return;
 976     }
 977
 978     qemu_boot_set(standard_boot_devices);
 979
 980     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 981     g_free(standard_boot_devices);
 982 }
 983
 984 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 985                           const char *suffix)
 986 {
 987     FWBootEntry *node, *i;
 988
 989     if (bootindex < 0) {
 990         return;
 991     }
 992
 993     assert(dev != NULL || suffix != NULL);
 994
 995     node = g_malloc0(sizeof(FWBootEntry));
 996     node->bootindex = bootindex;
 997     node->suffix = suffix ? g_strdup(suffix) : NULL;
 998     node->dev = dev;
 999
1000     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1001         if (i->bootindex == bootindex) {
1002             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1003             exit(1);
1004         } else if (i->bootindex < bootindex) {
1005             continue;
1006         }
1007         QTAILQ_INSERT_BEFORE(i, node, link);
1008         return;
1009     }
1010     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1011 }
1012
1013 /*
1014  * This function returns null terminated string that consist of new line
1015  * separated device paths.
1016  *
1017  * memory pointed by "size" is assigned total length of the array in bytes
1018  *
1019  */
1020 char *get_boot_devices_list(uint32_t *size)
1021 {
1022     FWBootEntry *i;
1023     uint32_t total = 0;
1024     char *list = NULL;
1025
1026     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1027         char *devpath = NULL, *bootpath;
1028         int len;
1029
1030         if (i->dev) {
1031             devpath = qdev_get_fw_dev_path(i->dev);
1032             assert(devpath);
1033         }
1034
1035         if (i->suffix && devpath) {
1036             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1037
1038             bootpath = g_malloc(bootpathlen);
1039             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1040             g_free(devpath);
1041         } else if (devpath) {
1042             bootpath = devpath;
1043         } else {
1044             assert(i->suffix);
1045             bootpath = g_strdup(i->suffix);
1046         }
1047
1048         if (total) {
1049             list[total-1] = '\n';
1050         }
1051         len = strlen(bootpath) + 1;
1052         list = g_realloc(list, total + len);
1053         memcpy(&list[total], bootpath, len);
1054         total += len;
1055         g_free(bootpath);
1056     }
1057
1058     *size = total;
1059
1060     return list;
1061 }
1062
1063 static void numa_add(const char *optarg)
1064 {
1065     char option[128];
1066     char *endptr;
1067     unsigned long long value, endvalue;
1068     int nodenr;
1069
1070     value = endvalue = 0ULL;
1071
1072     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1073     if (!strcmp(option, "node")) {
1074         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1075             nodenr = nb_numa_nodes;
1076         } else {
1077             nodenr = strtoull(option, NULL, 10);
1078         }
1079
1080         if (get_param_value(option, 128, "mem", optarg) == 0) {
1081             node_mem[nodenr] = 0;
1082         } else {
1083             int64_t sval;
1084             sval = strtosz(option, &endptr);
1085             if (sval < 0 || *endptr) {
1086                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1087                 exit(1);
1088             }
1089             node_mem[nodenr] = sval;
1090         }
1091         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1092             value = strtoull(option, &endptr, 10);
1093             if (*endptr == '-') {
1094                 endvalue = strtoull(endptr+1, &endptr, 10);
1095             } else {
1096                 endvalue = value;
1097             }
1098
1099             if (!(endvalue < MAX_CPUMASK_BITS)) {
1100                 endvalue = MAX_CPUMASK_BITS - 1;
1101                 fprintf(stderr,
1102                     "A max of %d CPUs are supported in a guest\n",
1103                      MAX_CPUMASK_BITS);
1104             }
1105
1106             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1107         }
1108         nb_numa_nodes++;
1109     }
1110 }
1111
1112 static void smp_parse(const char *optarg)
1113 {
1114     int smp, sockets = 0, threads = 0, cores = 0;
1115     char *endptr;
1116     char option[128];
1117
1118     smp = strtoul(optarg, &endptr, 10);
1119     if (endptr != optarg) {
1120         if (*endptr == ',') {
1121             endptr++;
1122         }
1123     }
1124     if (get_param_value(option, 128, "sockets", endptr) != 0)
1125         sockets = strtoull(option, NULL, 10);
1126     if (get_param_value(option, 128, "cores", endptr) != 0)
1127         cores = strtoull(option, NULL, 10);
1128     if (get_param_value(option, 128, "threads", endptr) != 0)
1129         threads = strtoull(option, NULL, 10);
1130     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1131         max_cpus = strtoull(option, NULL, 10);
1132
1133     /* compute missing values, prefer sockets over cores over threads */
1134     if (smp == 0 || sockets == 0) {
1135         sockets = sockets > 0 ? sockets : 1;
1136         cores = cores > 0 ? cores : 1;
1137         threads = threads > 0 ? threads : 1;
1138         if (smp == 0) {
1139             smp = cores * threads * sockets;
1140         }
1141     } else {
1142         if (cores == 0) {
1143             threads = threads > 0 ? threads : 1;
1144             cores = smp / (sockets * threads);
1145         } else {
1146             threads = smp / (cores * sockets);
1147         }
1148     }
1149     smp_cpus = smp;
1150     smp_cores = cores > 0 ? cores : 1;
1151     smp_threads = threads > 0 ? threads : 1;
1152     if (max_cpus == 0)
1153         max_cpus = smp_cpus;
1154 }
1155
1156 /***********************************************************/
1157 /* USB devices */
1158
1159 static int usb_device_add(const char *devname)
1160 {
1161     const char *p;
1162     USBDevice *dev = NULL;
1163
1164     if (!usb_enabled(false)) {
1165         return -1;
1166     }
1167
1168     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1169     dev = usbdevice_create(devname);
1170     if (dev)
1171         goto done;
1172
1173     /* the other ones */
1174 #ifndef CONFIG_LINUX
1175     /* only the linux version is qdev-ified, usb-bsd still needs this */
1176     if (strstart(devname, "host:", &p)) {
1177         dev = usb_host_device_open(usb_bus_find(-1), p);
1178     } else
1179 #endif
1180     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1181         dev = usb_bt_init(usb_bus_find(-1),
1182                           devname[2] ? hci_init(p)
1183                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1184     } else {
1185         return -1;
1186     }
1187     if (!dev)
1188         return -1;
1189
1190 done:
1191     return 0;
1192 }
1193
1194 static int usb_device_del(const char *devname)
1195 {
1196     int bus_num, addr;
1197     const char *p;
1198
1199     if (strstart(devname, "host:", &p))
1200         return usb_host_device_close(p);
1201
1202     if (!usb_enabled(false)) {
1203         return -1;
1204     }
1205
1206     p = strchr(devname, '.');
1207     if (!p)
1208         return -1;
1209     bus_num = strtoul(devname, NULL, 0);
1210     addr = strtoul(p + 1, NULL, 0);
1211
1212     return usb_device_delete_addr(bus_num, addr);
1213 }
1214
1215 static int usb_parse(const char *cmdline)
1216 {
1217     int r;
1218     r = usb_device_add(cmdline);
1219     if (r < 0) {
1220         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1221     }
1222     return r;
1223 }
1224
1225 void do_usb_add(Monitor *mon, const QDict *qdict)
1226 {
1227     const char *devname = qdict_get_str(qdict, "devname");
1228     if (usb_device_add(devname) < 0) {
1229         error_report("could not add USB device '%s'", devname);
1230     }
1231 }
1232
1233 void do_usb_del(Monitor *mon, const QDict *qdict)
1234 {
1235     const char *devname = qdict_get_str(qdict, "devname");
1236     if (usb_device_del(devname) < 0) {
1237         error_report("could not delete USB device '%s'", devname);
1238     }
1239 }
1240
1241 /***********************************************************/
1242 /* PCMCIA/Cardbus */
1243
1244 static struct pcmcia_socket_entry_s {
1245     PCMCIASocket *socket;
1246     struct pcmcia_socket_entry_s *next;
1247 } *pcmcia_sockets = 0;
1248
1249 void pcmcia_socket_register(PCMCIASocket *socket)
1250 {
1251     struct pcmcia_socket_entry_s *entry;
1252
1253     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1254     entry->socket = socket;
1255     entry->next = pcmcia_sockets;
1256     pcmcia_sockets = entry;
1257 }
1258
1259 void pcmcia_socket_unregister(PCMCIASocket *socket)
1260 {
1261     struct pcmcia_socket_entry_s *entry, **ptr;
1262
1263     ptr = &pcmcia_sockets;
1264     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1265         if (entry->socket == socket) {
1266             *ptr = entry->next;
1267             g_free(entry);
1268         }
1269 }
1270
1271 void pcmcia_info(Monitor *mon)
1272 {
1273     struct pcmcia_socket_entry_s *iter;
1274
1275     if (!pcmcia_sockets)
1276         monitor_printf(mon, "No PCMCIA sockets\n");
1277
1278     for (iter = pcmcia_sockets; iter; iter = iter->next)
1279         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1280                        iter->socket->attached ? iter->socket->card_string :
1281                        "Empty");
1282 }
1283
1284 /***********************************************************/
1285 /* machine registration */
1286
1287 static QEMUMachine *first_machine = NULL;
1288 QEMUMachine *current_machine = NULL;
1289
1290 int qemu_register_machine(QEMUMachine *m)
1291 {
1292     QEMUMachine **pm;
1293     pm = &first_machine;
1294     while (*pm != NULL)
1295         pm = &(*pm)->next;
1296     m->next = NULL;
1297     *pm = m;
1298     return 0;
1299 }
1300
1301 static QEMUMachine *find_machine(const char *name)
1302 {
1303     QEMUMachine *m;
1304
1305     for(m = first_machine; m != NULL; m = m->next) {
1306         if (!strcmp(m->name, name))
1307             return m;
1308         if (m->alias && !strcmp(m->alias, name))
1309             return m;
1310     }
1311     return NULL;
1312 }
1313
1314 QEMUMachine *find_default_machine(void)
1315 {
1316     QEMUMachine *m;
1317
1318     for(m = first_machine; m != NULL; m = m->next) {
1319         if (m->is_default) {
1320             return m;
1321         }
1322     }
1323     return NULL;
1324 }
1325
1326 MachineInfoList *qmp_query_machines(Error **errp)
1327 {
1328     MachineInfoList *mach_list = NULL;
1329     QEMUMachine *m;
1330
1331     for (m = first_machine; m; m = m->next) {
1332         MachineInfoList *entry;
1333         MachineInfo *info;
1334
1335         info = g_malloc0(sizeof(*info));
1336         if (m->is_default) {
1337             info->has_is_default = true;
1338             info->is_default = true;
1339         }
1340
1341         if (m->alias) {
1342             info->has_alias = true;
1343             info->alias = g_strdup(m->alias);
1344         }
1345
1346         info->name = g_strdup(m->name);
1347
1348         entry = g_malloc0(sizeof(*entry));
1349         entry->value = info;
1350         entry->next = mach_list;
1351         mach_list = entry;
1352     }
1353
1354     return mach_list;
1355 }
1356
1357 /***********************************************************/
1358 /* main execution loop */
1359
1360 static void gui_update(void *opaque)
1361 {
1362     uint64_t interval = GUI_REFRESH_INTERVAL;
1363     DisplayState *ds = opaque;
1364     DisplayChangeListener *dcl;
1365
1366     dpy_refresh(ds);
1367
1368     QLIST_FOREACH(dcl, &ds->listeners, next) {
1369         if (dcl->gui_timer_interval &&
1370             dcl->gui_timer_interval < interval)
1371             interval = dcl->gui_timer_interval;
1372     }
1373     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1374 }
1375
1376 void gui_setup_refresh(DisplayState *ds)
1377 {
1378     DisplayChangeListener *dcl;
1379     bool need_timer = false;
1380     bool have_gfx = false;
1381     bool have_text = false;
1382
1383     QLIST_FOREACH(dcl, &ds->listeners, next) {
1384         if (dcl->dpy_refresh != NULL) {
1385             need_timer = true;
1386         }
1387         if (dcl->dpy_gfx_update != NULL) {
1388             have_gfx = true;
1389         }
1390         if (dcl->dpy_text_update != NULL) {
1391             have_text = true;
1392         }
1393     }
1394
1395     if (need_timer && ds->gui_timer == NULL) {
1396         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1397         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1398     }
1399     if (!need_timer && ds->gui_timer != NULL) {
1400         qemu_del_timer(ds->gui_timer);
1401         qemu_free_timer(ds->gui_timer);
1402         ds->gui_timer = NULL;
1403     }
1404
1405     ds->have_gfx = have_gfx;
1406     ds->have_text = have_text;
1407 }
1408
1409 struct vm_change_state_entry {
1410     VMChangeStateHandler *cb;
1411     void *opaque;
1412     QLIST_ENTRY (vm_change_state_entry) entries;
1413 };
1414
1415 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1416
1417 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1418                                                      void *opaque)
1419 {
1420     VMChangeStateEntry *e;
1421
1422     e = g_malloc0(sizeof (*e));
1423
1424     e->cb = cb;
1425     e->opaque = opaque;
1426     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1427     return e;
1428 }
1429
1430 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1431 {
1432     QLIST_REMOVE (e, entries);
1433     g_free (e);
1434 }
1435
1436 void vm_state_notify(int running, RunState state)
1437 {
1438     VMChangeStateEntry *e;
1439
1440     trace_vm_state_notify(running, state);
1441
1442     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1443         e->cb(e->opaque, running, state);
1444     }
1445 }
1446
1447 void vm_start(void)
1448 {
1449     if (!runstate_is_running()) {
1450         cpu_enable_ticks();
1451         runstate_set(RUN_STATE_RUNNING);
1452         vm_state_notify(1, RUN_STATE_RUNNING);
1453         resume_all_vcpus();
1454         monitor_protocol_event(QEVENT_RESUME, NULL);
1455     }
1456 }
1457
1458 /* reset/shutdown handler */
1459
1460 typedef struct QEMUResetEntry {
1461     QTAILQ_ENTRY(QEMUResetEntry) entry;
1462     QEMUResetHandler *func;
1463     void *opaque;
1464 } QEMUResetEntry;
1465
1466 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1467     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1468 static int reset_requested;
1469 static int shutdown_requested, shutdown_signal = -1;
1470 static pid_t shutdown_pid;
1471 static int powerdown_requested;
1472 static int debug_requested;
1473 static int suspend_requested;
1474 static int wakeup_requested;
1475 static NotifierList powerdown_notifiers =
1476     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1477 static NotifierList suspend_notifiers =
1478     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1479 static NotifierList wakeup_notifiers =
1480     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1481 static uint32_t wakeup_reason_mask = ~0;
1482 static RunState vmstop_requested = RUN_STATE_MAX;
1483
1484 int qemu_shutdown_requested_get(void)
1485 {
1486     return shutdown_requested;
1487 }
1488
1489 int qemu_reset_requested_get(void)
1490 {
1491     return reset_requested;
1492 }
1493
1494 static int qemu_shutdown_requested(void)
1495 {
1496     int r = shutdown_requested;
1497     shutdown_requested = 0;
1498     return r;
1499 }
1500
1501 static void qemu_kill_report(void)
1502 {
1503     if (!qtest_enabled() && shutdown_signal != -1) {
1504         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1505         if (shutdown_pid == 0) {
1506             /* This happens for eg ^C at the terminal, so it's worth
1507              * avoiding printing an odd message in that case.
1508              */
1509             fputc('\n', stderr);
1510         } else {
1511             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1512         }
1513         shutdown_signal = -1;
1514     }
1515 }
1516
1517 static int qemu_reset_requested(void)
1518 {
1519     int r = reset_requested;
1520     reset_requested = 0;
1521     return r;
1522 }
1523
1524 static int qemu_suspend_requested(void)
1525 {
1526     int r = suspend_requested;
1527     suspend_requested = 0;
1528     return r;
1529 }
1530
1531 static int qemu_wakeup_requested(void)
1532 {
1533     int r = wakeup_requested;
1534     wakeup_requested = 0;
1535     return r;
1536 }
1537
1538 static int qemu_powerdown_requested(void)
1539 {
1540     int r = powerdown_requested;
1541     powerdown_requested = 0;
1542     return r;
1543 }
1544
1545 static int qemu_debug_requested(void)
1546 {
1547     int r = debug_requested;
1548     debug_requested = 0;
1549     return r;
1550 }
1551
1552 /* We use RUN_STATE_MAX but any invalid value will do */
1553 static bool qemu_vmstop_requested(RunState *r)
1554 {
1555     if (vmstop_requested < RUN_STATE_MAX) {
1556         *r = vmstop_requested;
1557         vmstop_requested = RUN_STATE_MAX;
1558         return true;
1559     }
1560
1561     return false;
1562 }
1563
1564 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1565 {
1566     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1567
1568     re->func = func;
1569     re->opaque = opaque;
1570     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1571 }
1572
1573 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1574 {
1575     QEMUResetEntry *re;
1576
1577     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1578         if (re->func == func && re->opaque == opaque) {
1579             QTAILQ_REMOVE(&reset_handlers, re, entry);
1580             g_free(re);
1581             return;
1582         }
1583     }
1584 }
1585
1586 void qemu_devices_reset(void)
1587 {
1588     QEMUResetEntry *re, *nre;
1589
1590     /* reset all devices */
1591     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1592         re->func(re->opaque);
1593     }
1594 }
1595
1596 void qemu_system_reset(bool report)
1597 {
1598     if (current_machine && current_machine->reset) {
1599         current_machine->reset();
1600     } else {
1601         qemu_devices_reset();
1602     }
1603     if (report) {
1604         monitor_protocol_event(QEVENT_RESET, NULL);
1605     }
1606     cpu_synchronize_all_post_reset();
1607 }
1608
1609 void qemu_system_reset_request(void)
1610 {
1611     if (no_reboot) {
1612         shutdown_requested = 1;
1613     } else {
1614         reset_requested = 1;
1615     }
1616     cpu_stop_current();
1617     qemu_notify_event();
1618 }
1619
1620 static void qemu_system_suspend(void)
1621 {
1622     pause_all_vcpus();
1623     notifier_list_notify(&suspend_notifiers, NULL);
1624     runstate_set(RUN_STATE_SUSPENDED);
1625     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1626 }
1627
1628 void qemu_system_suspend_request(void)
1629 {
1630     if (runstate_check(RUN_STATE_SUSPENDED)) {
1631         return;
1632     }
1633     suspend_requested = 1;
1634     cpu_stop_current();
1635     qemu_notify_event();
1636 }
1637
1638 void qemu_register_suspend_notifier(Notifier *notifier)
1639 {
1640     notifier_list_add(&suspend_notifiers, notifier);
1641 }
1642
1643 void qemu_system_wakeup_request(WakeupReason reason)
1644 {
1645     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1646         return;
1647     }
1648     if (!(wakeup_reason_mask & (1 << reason))) {
1649         return;
1650     }
1651     runstate_set(RUN_STATE_RUNNING);
1652     notifier_list_notify(&wakeup_notifiers, &reason);
1653     wakeup_requested = 1;
1654     qemu_notify_event();
1655 }
1656
1657 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1658 {
1659     if (enabled) {
1660         wakeup_reason_mask |= (1 << reason);
1661     } else {
1662         wakeup_reason_mask &= ~(1 << reason);
1663     }
1664 }
1665
1666 void qemu_register_wakeup_notifier(Notifier *notifier)
1667 {
1668     notifier_list_add(&wakeup_notifiers, notifier);
1669 }
1670
1671 void qemu_system_killed(int signal, pid_t pid)
1672 {
1673     shutdown_signal = signal;
1674     shutdown_pid = pid;
1675     no_shutdown = 0;
1676     qemu_system_shutdown_request();
1677 }
1678
1679 void qemu_system_shutdown_request(void)
1680 {
1681     shutdown_requested = 1;
1682     qemu_notify_event();
1683 }
1684
1685 static void qemu_system_powerdown(void)
1686 {
1687     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1688     notifier_list_notify(&powerdown_notifiers, NULL);
1689 }
1690
1691 void qemu_system_powerdown_request(void)
1692 {
1693     powerdown_requested = 1;
1694     qemu_notify_event();
1695 }
1696
1697 void qemu_register_powerdown_notifier(Notifier *notifier)
1698 {
1699     notifier_list_add(&powerdown_notifiers, notifier);
1700 }
1701
1702 void qemu_system_debug_request(void)
1703 {
1704     debug_requested = 1;
1705     qemu_notify_event();
1706 }
1707
1708 void qemu_system_vmstop_request(RunState state)
1709 {
1710     vmstop_requested = state;
1711     qemu_notify_event();
1712 }
1713
1714 static bool main_loop_should_exit(void)
1715 {
1716     RunState r;
1717     if (qemu_debug_requested()) {
1718         vm_stop(RUN_STATE_DEBUG);
1719     }
1720     if (qemu_suspend_requested()) {
1721         qemu_system_suspend();
1722     }
1723     if (qemu_shutdown_requested()) {
1724         qemu_kill_report();
1725         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1726         if (no_shutdown) {
1727             vm_stop(RUN_STATE_SHUTDOWN);
1728         } else {
1729             return true;
1730         }
1731     }
1732     if (qemu_reset_requested()) {
1733         pause_all_vcpus();
1734         cpu_synchronize_all_states();
1735         qemu_system_reset(VMRESET_REPORT);
1736         resume_all_vcpus();
1737         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1738             runstate_check(RUN_STATE_SHUTDOWN)) {
1739             runstate_set(RUN_STATE_PAUSED);
1740         }
1741     }
1742     if (qemu_wakeup_requested()) {
1743         pause_all_vcpus();
1744         cpu_synchronize_all_states();
1745         qemu_system_reset(VMRESET_SILENT);
1746         resume_all_vcpus();
1747         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1748     }
1749     if (qemu_powerdown_requested()) {
1750         qemu_system_powerdown();
1751     }
1752     if (qemu_vmstop_requested(&r)) {
1753         vm_stop(r);
1754     }
1755     return false;
1756 }
1757
1758 static void main_loop(void)
1759 {
1760     bool nonblocking;
1761     int last_io = 0;
1762 #ifdef CONFIG_PROFILER
1763     int64_t ti;
1764 #endif
1765     do {
1766         nonblocking = !kvm_enabled() && last_io > 0;
1767 #ifdef CONFIG_PROFILER
1768         ti = profile_getclock();
1769 #endif
1770         last_io = main_loop_wait(nonblocking);
1771 #ifdef CONFIG_PROFILER
1772         dev_time += profile_getclock() - ti;
1773 #endif
1774     } while (!main_loop_should_exit());
1775 }
1776
1777 static void version(void)
1778 {
1779     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1780 }
1781
1782 static void help(int exitcode)
1783 {
1784     version();
1785     printf("usage: %s [options] [disk_image]\n\n"
1786            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1787             error_get_progname());
1788
1789 #define QEMU_OPTIONS_GENERATE_HELP
1790 #include "qemu-options-wrapper.h"
1791
1792     printf("\nDuring emulation, the following keys are useful:\n"
1793            "ctrl-alt-f      toggle full screen\n"
1794            "ctrl-alt-n      switch to virtual console 'n'\n"
1795            "ctrl-alt        toggle mouse and keyboard grab\n"
1796            "\n"
1797            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1798
1799     exit(exitcode);
1800 }
1801
1802 #define HAS_ARG 0x0001
1803
1804 typedef struct QEMUOption {
1805     const char *name;
1806     int flags;
1807     int index;
1808     uint32_t arch_mask;
1809 } QEMUOption;
1810
1811 static const QEMUOption qemu_options[] = {
1812     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1813 #define QEMU_OPTIONS_GENERATE_OPTIONS
1814 #include "qemu-options-wrapper.h"
1815     { NULL },
1816 };
1817
1818 static bool vga_available(void)
1819 {
1820     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1821 }
1822
1823 static bool cirrus_vga_available(void)
1824 {
1825     return object_class_by_name("cirrus-vga")
1826            || object_class_by_name("isa-cirrus-vga");
1827 }
1828
1829 static bool vmware_vga_available(void)
1830 {
1831     return object_class_by_name("vmware-svga");
1832 }
1833
1834 static bool qxl_vga_available(void)
1835 {
1836     return object_class_by_name("qxl-vga");
1837 }
1838
1839 static void select_vgahw (const char *p)
1840 {
1841     const char *opts;
1842
1843     vga_interface_type = VGA_NONE;
1844     if (strstart(p, "std", &opts)) {
1845         if (vga_available()) {
1846             vga_interface_type = VGA_STD;
1847         } else {
1848             fprintf(stderr, "Error: standard VGA not available\n");
1849             exit(0);
1850         }
1851     } else if (strstart(p, "cirrus", &opts)) {
1852         if (cirrus_vga_available()) {
1853             vga_interface_type = VGA_CIRRUS;
1854         } else {
1855             fprintf(stderr, "Error: Cirrus VGA not available\n");
1856             exit(0);
1857         }
1858     } else if (strstart(p, "vmware", &opts)) {
1859         if (vmware_vga_available()) {
1860             vga_interface_type = VGA_VMWARE;
1861         } else {
1862             fprintf(stderr, "Error: VMWare SVGA not available\n");
1863             exit(0);
1864         }
1865     } else if (strstart(p, "xenfb", &opts)) {
1866         vga_interface_type = VGA_XENFB;
1867     } else if (strstart(p, "qxl", &opts)) {
1868         if (qxl_vga_available()) {
1869             vga_interface_type = VGA_QXL;
1870         } else {
1871             fprintf(stderr, "Error: QXL VGA not available\n");
1872             exit(0);
1873         }
1874     } else if (!strstart(p, "none", &opts)) {
1875     invalid_vga:
1876         fprintf(stderr, "Unknown vga type: %s\n", p);
1877         exit(1);
1878     }
1879     while (*opts) {
1880         const char *nextopt;
1881
1882         if (strstart(opts, ",retrace=", &nextopt)) {
1883             opts = nextopt;
1884             if (strstart(opts, "dumb", &nextopt))
1885                 vga_retrace_method = VGA_RETRACE_DUMB;
1886             else if (strstart(opts, "precise", &nextopt))
1887                 vga_retrace_method = VGA_RETRACE_PRECISE;
1888             else goto invalid_vga;
1889         } else goto invalid_vga;
1890         opts = nextopt;
1891     }
1892 }
1893
1894 static DisplayType select_display(const char *p)
1895 {
1896     const char *opts;
1897     DisplayType display = DT_DEFAULT;
1898
1899     if (strstart(p, "sdl", &opts)) {
1900 #ifdef CONFIG_SDL
1901         display = DT_SDL;
1902         while (*opts) {
1903             const char *nextopt;
1904
1905             if (strstart(opts, ",frame=", &nextopt)) {
1906                 opts = nextopt;
1907                 if (strstart(opts, "on", &nextopt)) {
1908                     no_frame = 0;
1909                 } else if (strstart(opts, "off", &nextopt)) {
1910                     no_frame = 1;
1911                 } else {
1912                     goto invalid_sdl_args;
1913                 }
1914             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1915                 opts = nextopt;
1916                 if (strstart(opts, "on", &nextopt)) {
1917                     alt_grab = 1;
1918                 } else if (strstart(opts, "off", &nextopt)) {
1919                     alt_grab = 0;
1920                 } else {
1921                     goto invalid_sdl_args;
1922                 }
1923             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1924                 opts = nextopt;
1925                 if (strstart(opts, "on", &nextopt)) {
1926                     ctrl_grab = 1;
1927                 } else if (strstart(opts, "off", &nextopt)) {
1928                     ctrl_grab = 0;
1929                 } else {
1930                     goto invalid_sdl_args;
1931                 }
1932             } else if (strstart(opts, ",window_close=", &nextopt)) {
1933                 opts = nextopt;
1934                 if (strstart(opts, "on", &nextopt)) {
1935                     no_quit = 0;
1936                 } else if (strstart(opts, "off", &nextopt)) {
1937                     no_quit = 1;
1938                 } else {
1939                     goto invalid_sdl_args;
1940                 }
1941             } else {
1942             invalid_sdl_args:
1943                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1944                 exit(1);
1945             }
1946             opts = nextopt;
1947         }
1948 #else
1949         fprintf(stderr, "SDL support is disabled\n");
1950         exit(1);
1951 #endif
1952     } else if (strstart(p, "vnc", &opts)) {
1953 #ifdef CONFIG_VNC
1954         display_remote++;
1955
1956         if (*opts) {
1957             const char *nextopt;
1958
1959             if (strstart(opts, "=", &nextopt)) {
1960                 vnc_display = nextopt;
1961             }
1962         }
1963         if (!vnc_display) {
1964             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1965             exit(1);
1966         }
1967 #else
1968         fprintf(stderr, "VNC support is disabled\n");
1969         exit(1);
1970 #endif
1971     } else if (strstart(p, "curses", &opts)) {
1972 #ifdef CONFIG_CURSES
1973         display = DT_CURSES;
1974 #else
1975         fprintf(stderr, "Curses support is disabled\n");
1976         exit(1);
1977 #endif
1978     } else if (strstart(p, "none", &opts)) {
1979         display = DT_NONE;
1980     } else {
1981         fprintf(stderr, "Unknown display type: %s\n", p);
1982         exit(1);
1983     }
1984
1985     return display;
1986 }
1987
1988 static int balloon_parse(const char *arg)
1989 {
1990     QemuOpts *opts;
1991
1992     if (strcmp(arg, "none") == 0) {
1993         return 0;
1994     }
1995
1996     if (!strncmp(arg, "virtio", 6)) {
1997         if (arg[6] == ',') {
1998             /* have params -> parse them */
1999             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2000             if (!opts)
2001                 return  -1;
2002         } else {
2003             /* create empty opts */
2004             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
2005         }
2006         qemu_opt_set(opts, "driver", "virtio-balloon");
2007         return 0;
2008     }
2009
2010     return -1;
2011 }
2012
2013 char *qemu_find_file(int type, const char *name)
2014 {
2015     int len;
2016     const char *subdir;
2017     char *buf;
2018
2019     /* Try the name as a straight path first */
2020     if (access(name, R_OK) == 0) {
2021         return g_strdup(name);
2022     }
2023     switch (type) {
2024     case QEMU_FILE_TYPE_BIOS:
2025         subdir = "";
2026         break;
2027     case QEMU_FILE_TYPE_KEYMAP:
2028         subdir = "keymaps/";
2029         break;
2030     default:
2031         abort();
2032     }
2033     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2034     buf = g_malloc0(len);
2035     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2036     if (access(buf, R_OK)) {
2037         g_free(buf);
2038         return NULL;
2039     }
2040     return buf;
2041 }
2042
2043 static int device_help_func(QemuOpts *opts, void *opaque)
2044 {
2045     return qdev_device_help(opts);
2046 }
2047
2048 static int device_init_func(QemuOpts *opts, void *opaque)
2049 {
2050     DeviceState *dev;
2051
2052     dev = qdev_device_add(opts);
2053     if (!dev)
2054         return -1;
2055     return 0;
2056 }
2057
2058 static int chardev_init_func(QemuOpts *opts, void *opaque)
2059 {
2060     CharDriverState *chr;
2061
2062     chr = qemu_chr_new_from_opts(opts, NULL);
2063     if (!chr)
2064         return -1;
2065     return 0;
2066 }
2067
2068 #ifdef CONFIG_VIRTFS
2069 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2070 {
2071     int ret;
2072     ret = qemu_fsdev_add(opts);
2073
2074     return ret;
2075 }
2076 #endif
2077
2078 static int mon_init_func(QemuOpts *opts, void *opaque)
2079 {
2080     CharDriverState *chr;
2081     const char *chardev;
2082     const char *mode;
2083     int flags;
2084
2085     mode = qemu_opt_get(opts, "mode");
2086     if (mode == NULL) {
2087         mode = "readline";
2088     }
2089     if (strcmp(mode, "readline") == 0) {
2090         flags = MONITOR_USE_READLINE;
2091     } else if (strcmp(mode, "control") == 0) {
2092         flags = MONITOR_USE_CONTROL;
2093     } else {
2094         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2095         exit(1);
2096     }
2097
2098     if (qemu_opt_get_bool(opts, "pretty", 0))
2099         flags |= MONITOR_USE_PRETTY;
2100
2101     if (qemu_opt_get_bool(opts, "default", 0))
2102         flags |= MONITOR_IS_DEFAULT;
2103
2104     chardev = qemu_opt_get(opts, "chardev");
2105     chr = qemu_chr_find(chardev);
2106     if (chr == NULL) {
2107         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2108         exit(1);
2109     }
2110
2111     monitor_init(chr, flags);
2112     return 0;
2113 }
2114
2115 static void monitor_parse(const char *optarg, const char *mode)
2116 {
2117     static int monitor_device_index = 0;
2118     QemuOpts *opts;
2119     const char *p;
2120     char label[32];
2121     int def = 0;
2122
2123     if (strstart(optarg, "chardev:", &p)) {
2124         snprintf(label, sizeof(label), "%s", p);
2125     } else {
2126         snprintf(label, sizeof(label), "compat_monitor%d",
2127                  monitor_device_index);
2128         if (monitor_device_index == 0) {
2129             def = 1;
2130         }
2131         opts = qemu_chr_parse_compat(label, optarg);
2132         if (!opts) {
2133             fprintf(stderr, "parse error: %s\n", optarg);
2134             exit(1);
2135         }
2136     }
2137
2138     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2139     if (!opts) {
2140         fprintf(stderr, "duplicate chardev: %s\n", label);
2141         exit(1);
2142     }
2143     qemu_opt_set(opts, "mode", mode);
2144     qemu_opt_set(opts, "chardev", label);
2145     if (def)
2146         qemu_opt_set(opts, "default", "on");
2147     monitor_device_index++;
2148 }
2149
2150 struct device_config {
2151     enum {
2152         DEV_USB,       /* -usbdevice     */
2153         DEV_BT,        /* -bt            */
2154         DEV_SERIAL,    /* -serial        */
2155         DEV_PARALLEL,  /* -parallel      */
2156         DEV_VIRTCON,   /* -virtioconsole */
2157         DEV_DEBUGCON,  /* -debugcon */
2158         DEV_GDB,       /* -gdb, -s */
2159     } type;
2160     const char *cmdline;
2161     Location loc;
2162     QTAILQ_ENTRY(device_config) next;
2163 };
2164
2165 static QTAILQ_HEAD(, device_config) device_configs =
2166     QTAILQ_HEAD_INITIALIZER(device_configs);
2167
2168 static void add_device_config(int type, const char *cmdline)
2169 {
2170     struct device_config *conf;
2171
2172     conf = g_malloc0(sizeof(*conf));
2173     conf->type = type;
2174     conf->cmdline = cmdline;
2175     loc_save(&conf->loc);
2176     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2177 }
2178
2179 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2180 {
2181     struct device_config *conf;
2182     int rc;
2183
2184     QTAILQ_FOREACH(conf, &device_configs, next) {
2185         if (conf->type != type)
2186             continue;
2187         loc_push_restore(&conf->loc);
2188         rc = func(conf->cmdline);
2189         loc_pop(&conf->loc);
2190         if (0 != rc)
2191             return rc;
2192     }
2193     return 0;
2194 }
2195
2196 static int serial_parse(const char *devname)
2197 {
2198     static int index = 0;
2199     char label[32];
2200
2201     if (strcmp(devname, "none") == 0)
2202         return 0;
2203     if (index == MAX_SERIAL_PORTS) {
2204         fprintf(stderr, "qemu: too many serial ports\n");
2205         exit(1);
2206     }
2207     snprintf(label, sizeof(label), "serial%d", index);
2208     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2209     if (!serial_hds[index]) {
2210         fprintf(stderr, "qemu: could not connect serial device"
2211                 " to character backend '%s'\n", devname);
2212         return -1;
2213     }
2214     index++;
2215     return 0;
2216 }
2217
2218 static int parallel_parse(const char *devname)
2219 {
2220     static int index = 0;
2221     char label[32];
2222
2223     if (strcmp(devname, "none") == 0)
2224         return 0;
2225     if (index == MAX_PARALLEL_PORTS) {
2226         fprintf(stderr, "qemu: too many parallel ports\n");
2227         exit(1);
2228     }
2229     snprintf(label, sizeof(label), "parallel%d", index);
2230     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2231     if (!parallel_hds[index]) {
2232         fprintf(stderr, "qemu: could not connect parallel device"
2233                 " to character backend '%s'\n", devname);
2234         return -1;
2235     }
2236     index++;
2237     return 0;
2238 }
2239
2240 static int virtcon_parse(const char *devname)
2241 {
2242     QemuOptsList *device = qemu_find_opts("device");
2243     static int index = 0;
2244     char label[32];
2245     QemuOpts *bus_opts, *dev_opts;
2246
2247     if (strcmp(devname, "none") == 0)
2248         return 0;
2249     if (index == MAX_VIRTIO_CONSOLES) {
2250         fprintf(stderr, "qemu: too many virtio consoles\n");
2251         exit(1);
2252     }
2253
2254     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2255     if (arch_type == QEMU_ARCH_S390X) {
2256         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2257     } else {
2258         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2259     }
2260
2261     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2262     qemu_opt_set(dev_opts, "driver", "virtconsole");
2263
2264     snprintf(label, sizeof(label), "virtcon%d", index);
2265     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2266     if (!virtcon_hds[index]) {
2267         fprintf(stderr, "qemu: could not connect virtio console"
2268                 " to character backend '%s'\n", devname);
2269         return -1;
2270     }
2271     qemu_opt_set(dev_opts, "chardev", label);
2272
2273     index++;
2274     return 0;
2275 }
2276
2277 static int debugcon_parse(const char *devname)
2278 {
2279     QemuOpts *opts;
2280
2281     if (!qemu_chr_new("debugcon", devname, NULL)) {
2282         exit(1);
2283     }
2284     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2285     if (!opts) {
2286         fprintf(stderr, "qemu: already have a debugcon device\n");
2287         exit(1);
2288     }
2289     qemu_opt_set(opts, "driver", "isa-debugcon");
2290     qemu_opt_set(opts, "chardev", "debugcon");
2291     return 0;
2292 }
2293
2294 static QEMUMachine *machine_parse(const char *name)
2295 {
2296     QEMUMachine *m, *machine = NULL;
2297
2298     if (name) {
2299         machine = find_machine(name);
2300     }
2301     if (machine) {
2302         return machine;
2303     }
2304     printf("Supported machines are:\n");
2305     for (m = first_machine; m != NULL; m = m->next) {
2306         if (m->alias) {
2307             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2308         }
2309         printf("%-20s %s%s\n", m->name, m->desc,
2310                m->is_default ? " (default)" : "");
2311     }
2312     exit(!name || !is_help_option(name));
2313 }
2314
2315 static int tcg_init(void)
2316 {
2317     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2318     return 0;
2319 }
2320
2321 static struct {
2322     const char *opt_name;
2323     const char *name;
2324     int (*available)(void);
2325     int (*init)(void);
2326     int *allowed;
2327 } accel_list[] = {
2328     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2329     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2330     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2331     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2332 };
2333
2334 static int configure_accelerator(void)
2335 {
2336     const char *p = NULL;
2337     char buf[10];
2338     int i, ret;
2339     bool accel_initialised = 0;
2340     bool init_failed = 0;
2341
2342     QemuOptsList *list = qemu_find_opts("machine");
2343     if (!QTAILQ_EMPTY(&list->head)) {
2344         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2345     }
2346
2347     if (p == NULL) {
2348         /* Use the default "accelerator", tcg */
2349         p = "tcg";
2350     }
2351
2352     while (!accel_initialised && *p != '\0') {
2353         if (*p == ':') {
2354             p++;
2355         }
2356         p = get_opt_name(buf, sizeof (buf), p, ':');
2357         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2358             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2359                 *(accel_list[i].allowed) = 1;
2360                 ret = accel_list[i].init();
2361                 if (ret < 0) {
2362                     init_failed = 1;
2363                     if (!accel_list[i].available()) {
2364                         printf("%s not supported for this target\n",
2365                                accel_list[i].name);
2366                     } else {
2367                         fprintf(stderr, "failed to initialize %s: %s\n",
2368                                 accel_list[i].name,
2369                                 strerror(-ret));
2370                     }
2371                     *(accel_list[i].allowed) = 0;
2372                 } else {
2373                     accel_initialised = 1;
2374                 }
2375                 break;
2376             }
2377         }
2378         if (i == ARRAY_SIZE(accel_list)) {
2379             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2380         }
2381     }
2382
2383     if (!accel_initialised) {
2384         fprintf(stderr, "No accelerator found!\n");
2385         exit(1);
2386     }
2387
2388     if (init_failed) {
2389         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2390     }
2391
2392     return !accel_initialised;
2393 }
2394
2395 void qemu_add_exit_notifier(Notifier *notify)
2396 {
2397     notifier_list_add(&exit_notifiers, notify);
2398 }
2399
2400 void qemu_remove_exit_notifier(Notifier *notify)
2401 {
2402     notifier_remove(notify);
2403 }
2404
2405 static void qemu_run_exit_notifiers(void)
2406 {
2407     notifier_list_notify(&exit_notifiers, NULL);
2408 }
2409
2410 void qemu_add_machine_init_done_notifier(Notifier *notify)
2411 {
2412     notifier_list_add(&machine_init_done_notifiers, notify);
2413 }
2414
2415 static void qemu_run_machine_init_done_notifiers(void)
2416 {
2417     notifier_list_notify(&machine_init_done_notifiers, NULL);
2418 }
2419
2420 static const QEMUOption *lookup_opt(int argc, char **argv,
2421                                     const char **poptarg, int *poptind)
2422 {
2423     const QEMUOption *popt;
2424     int optind = *poptind;
2425     char *r = argv[optind];
2426     const char *optarg;
2427
2428     loc_set_cmdline(argv, optind, 1);
2429     optind++;
2430     /* Treat --foo the same as -foo.  */
2431     if (r[1] == '-')
2432         r++;
2433     popt = qemu_options;
2434     for(;;) {
2435         if (!popt->name) {
2436             error_report("invalid option");
2437             exit(1);
2438         }
2439         if (!strcmp(popt->name, r + 1))
2440             break;
2441         popt++;
2442     }
2443     if (popt->flags & HAS_ARG) {
2444         if (optind >= argc) {
2445             error_report("requires an argument");
2446             exit(1);
2447         }
2448         optarg = argv[optind++];
2449         loc_set_cmdline(argv, optind - 2, 2);
2450     } else {
2451         optarg = NULL;
2452     }
2453
2454     *poptarg = optarg;
2455     *poptind = optind;
2456
2457     return popt;
2458 }
2459
2460 static gpointer malloc_and_trace(gsize n_bytes)
2461 {
2462     void *ptr = malloc(n_bytes);
2463     trace_g_malloc(n_bytes, ptr);
2464     return ptr;
2465 }
2466
2467 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2468 {
2469     void *ptr = realloc(mem, n_bytes);
2470     trace_g_realloc(mem, n_bytes, ptr);
2471     return ptr;
2472 }
2473
2474 static void free_and_trace(gpointer mem)
2475 {
2476     trace_g_free(mem);
2477     free(mem);
2478 }
2479
2480 static int object_set_property(const char *name, const char *value, void *opaque)
2481 {
2482     Object *obj = OBJECT(opaque);
2483     StringInputVisitor *siv;
2484     Error *local_err = NULL;
2485
2486     if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2487         return 0;
2488     }
2489
2490     siv = string_input_visitor_new(value);
2491     object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2492     string_input_visitor_cleanup(siv);
2493
2494     if (local_err) {
2495         qerror_report_err(local_err);
2496         error_free(local_err);
2497         return -1;
2498     }
2499
2500     return 0;
2501 }
2502
2503 static int object_create(QemuOpts *opts, void *opaque)
2504 {
2505     const char *type = qemu_opt_get(opts, "qom-type");
2506     const char *id = qemu_opts_id(opts);
2507     Object *obj;
2508
2509     g_assert(type != NULL);
2510
2511     if (id == NULL) {
2512         qerror_report(QERR_MISSING_PARAMETER, "id");
2513         return -1;
2514     }
2515
2516     obj = object_new(type);
2517     if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2518         return -1;
2519     }
2520
2521     object_property_add_child(container_get(object_get_root(), "/objects"),
2522                               id, obj, NULL);
2523
2524     return 0;
2525 }
2526
2527 int main(int argc, char **argv, char **envp)
2528 {
2529     int i;
2530     int snapshot, linux_boot;
2531     const char *icount_option = NULL;
2532     const char *initrd_filename;
2533     const char *kernel_filename, *kernel_cmdline;
2534     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2535     DisplayState *ds;
2536     int cyls, heads, secs, translation;
2537     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2538     QemuOptsList *olist;
2539     int optind;
2540     const char *optarg;
2541     const char *loadvm = NULL;
2542     QEMUMachine *machine;
2543     const char *cpu_model;
2544     const char *vga_model = "none";
2545     const char *pid_file = NULL;
2546     const char *incoming = NULL;
2547 #ifdef CONFIG_VNC
2548     int show_vnc_port = 0;
2549 #endif
2550     bool defconfig = true;
2551     bool userconfig = true;
2552     const char *log_mask = NULL;
2553     const char *log_file = NULL;
2554     GMemVTable mem_trace = {
2555         .malloc = malloc_and_trace,
2556         .realloc = realloc_and_trace,
2557         .free = free_and_trace,
2558     };
2559     const char *trace_events = NULL;
2560     const char *trace_file = NULL;
2561
2562     atexit(qemu_run_exit_notifiers);
2563     error_set_progname(argv[0]);
2564
2565     g_mem_set_vtable(&mem_trace);
2566     if (!g_thread_supported()) {
2567 #if !GLIB_CHECK_VERSION(2, 31, 0)
2568         g_thread_init(NULL);
2569 #else
2570         fprintf(stderr, "glib threading failed to initialize.\n");
2571         exit(1);
2572 #endif
2573     }
2574
2575     module_call_init(MODULE_INIT_QOM);
2576
2577     runstate_init();
2578
2579     init_clocks();
2580     rtc_clock = host_clock;
2581
2582     qemu_cache_utils_init(envp);
2583
2584     QLIST_INIT (&vm_change_state_head);
2585     os_setup_early_signal_handling();
2586
2587     module_call_init(MODULE_INIT_MACHINE);
2588     machine = find_default_machine();
2589     cpu_model = NULL;
2590     ram_size = 0;
2591     snapshot = 0;
2592     cyls = heads = secs = 0;
2593     translation = BIOS_ATA_TRANSLATION_AUTO;
2594
2595     for (i = 0; i < MAX_NODES; i++) {
2596         node_mem[i] = 0;
2597         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2598     }
2599
2600     nb_numa_nodes = 0;
2601     nb_nics = 0;
2602
2603     autostart= 1;
2604
2605     /* first pass of option parsing */
2606     optind = 1;
2607     while (optind < argc) {
2608         if (argv[optind][0] != '-') {
2609             /* disk image */
2610             optind++;
2611             continue;
2612         } else {
2613             const QEMUOption *popt;
2614
2615             popt = lookup_opt(argc, argv, &optarg, &optind);
2616             switch (popt->index) {
2617             case QEMU_OPTION_nodefconfig:
2618                 defconfig = false;
2619                 break;
2620             case QEMU_OPTION_nouserconfig:
2621                 userconfig = false;
2622                 break;
2623             }
2624         }
2625     }
2626
2627     if (defconfig) {
2628         int ret;
2629         ret = qemu_read_default_config_files(userconfig);
2630         if (ret < 0) {
2631             exit(1);
2632         }
2633     }
2634
2635     /* second pass of option parsing */
2636     optind = 1;
2637     for(;;) {
2638         if (optind >= argc)
2639             break;
2640         if (argv[optind][0] != '-') {
2641             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2642         } else {
2643             const QEMUOption *popt;
2644
2645             popt = lookup_opt(argc, argv, &optarg, &optind);
2646             if (!(popt->arch_mask & arch_type)) {
2647                 printf("Option %s not supported for this target\n", popt->name);
2648                 exit(1);
2649             }
2650             switch(popt->index) {
2651             case QEMU_OPTION_M:
2652                 machine = machine_parse(optarg);
2653                 break;
2654             case QEMU_OPTION_no_kvm_irqchip: {
2655                 olist = qemu_find_opts("machine");
2656                 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2657                 break;
2658             }
2659             case QEMU_OPTION_cpu:
2660                 /* hw initialization will check this */
2661                 cpu_model = optarg;
2662                 break;
2663             case QEMU_OPTION_hda:
2664                 {
2665                     char buf[256];
2666                     if (cyls == 0)
2667                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2668                     else
2669                         snprintf(buf, sizeof(buf),
2670                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2671                                  HD_OPTS , cyls, heads, secs,
2672                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2673                                  ",trans=lba" :
2674                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2675                                  ",trans=none" : "");
2676                     drive_add(IF_DEFAULT, 0, optarg, buf);
2677                     break;
2678                 }
2679             case QEMU_OPTION_hdb:
2680             case QEMU_OPTION_hdc:
2681             case QEMU_OPTION_hdd:
2682                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2683                           HD_OPTS);
2684                 break;
2685             case QEMU_OPTION_drive:
2686                 if (drive_def(optarg) == NULL) {
2687                     exit(1);
2688                 }
2689                 break;
2690             case QEMU_OPTION_set:
2691                 if (qemu_set_option(optarg) != 0)
2692                     exit(1);
2693                 break;
2694             case QEMU_OPTION_global:
2695                 if (qemu_global_option(optarg) != 0)
2696                     exit(1);
2697                 break;
2698             case QEMU_OPTION_mtdblock:
2699                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2700                 break;
2701             case QEMU_OPTION_sd:
2702                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2703                 break;
2704             case QEMU_OPTION_pflash:
2705                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2706                 break;
2707             case QEMU_OPTION_snapshot:
2708                 snapshot = 1;
2709                 break;
2710             case QEMU_OPTION_hdachs:
2711                 {
2712                     const char *p;
2713                     p = optarg;
2714                     cyls = strtol(p, (char **)&p, 0);
2715                     if (cyls < 1 || cyls > 16383)
2716                         goto chs_fail;
2717                     if (*p != ',')
2718                         goto chs_fail;
2719                     p++;
2720                     heads = strtol(p, (char **)&p, 0);
2721                     if (heads < 1 || heads > 16)
2722                         goto chs_fail;
2723                     if (*p != ',')
2724                         goto chs_fail;
2725                     p++;
2726                     secs = strtol(p, (char **)&p, 0);
2727                     if (secs < 1 || secs > 63)
2728                         goto chs_fail;
2729                     if (*p == ',') {
2730                         p++;
2731                         if (!strcmp(p, "none"))
2732                             translation = BIOS_ATA_TRANSLATION_NONE;
2733                         else if (!strcmp(p, "lba"))
2734                             translation = BIOS_ATA_TRANSLATION_LBA;
2735                         else if (!strcmp(p, "auto"))
2736                             translation = BIOS_ATA_TRANSLATION_AUTO;
2737                         else
2738                             goto chs_fail;
2739                     } else if (*p != '\0') {
2740                     chs_fail:
2741                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2742                         exit(1);
2743                     }
2744                     if (hda_opts != NULL) {
2745                         char num[16];
2746                         snprintf(num, sizeof(num), "%d", cyls);
2747                         qemu_opt_set(hda_opts, "cyls", num);
2748                         snprintf(num, sizeof(num), "%d", heads);
2749                         qemu_opt_set(hda_opts, "heads", num);
2750                         snprintf(num, sizeof(num), "%d", secs);
2751                         qemu_opt_set(hda_opts, "secs", num);
2752                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2753                             qemu_opt_set(hda_opts, "trans", "lba");
2754                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2755                             qemu_opt_set(hda_opts, "trans", "none");
2756                     }
2757                 }
2758                 break;
2759             case QEMU_OPTION_numa:
2760                 if (nb_numa_nodes >= MAX_NODES) {
2761                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2762                     exit(1);
2763                 }
2764                 numa_add(optarg);
2765                 break;
2766             case QEMU_OPTION_display:
2767                 display_type = select_display(optarg);
2768                 break;
2769             case QEMU_OPTION_nographic:
2770                 display_type = DT_NOGRAPHIC;
2771                 break;
2772             case QEMU_OPTION_curses:
2773 #ifdef CONFIG_CURSES
2774                 display_type = DT_CURSES;
2775 #else
2776                 fprintf(stderr, "Curses support is disabled\n");
2777                 exit(1);
2778 #endif
2779                 break;
2780             case QEMU_OPTION_portrait:
2781                 graphic_rotate = 90;
2782                 break;
2783             case QEMU_OPTION_rotate:
2784                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2785                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2786                     graphic_rotate != 180 && graphic_rotate != 270) {
2787                     fprintf(stderr,
2788                         "qemu: only 90, 180, 270 deg rotation is available\n");
2789                     exit(1);
2790                 }
2791                 break;
2792             case QEMU_OPTION_kernel:
2793                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2794                 break;
2795             case QEMU_OPTION_initrd:
2796                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2797                 break;
2798             case QEMU_OPTION_append:
2799                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2800                 break;
2801             case QEMU_OPTION_dtb:
2802                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2803                 break;
2804             case QEMU_OPTION_cdrom:
2805                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2806                 break;
2807             case QEMU_OPTION_boot:
2808                 {
2809                     static const char * const params[] = {
2810                         "order", "once", "menu",
2811                         "splash", "splash-time",
2812                         "reboot-timeout", NULL
2813                     };
2814                     char buf[sizeof(boot_devices)];
2815                     char *standard_boot_devices;
2816                     int legacy = 0;
2817
2818                     if (!strchr(optarg, '=')) {
2819                         legacy = 1;
2820                         pstrcpy(buf, sizeof(buf), optarg);
2821                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2822                         fprintf(stderr,
2823                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2824                                 buf, optarg);
2825                         exit(1);
2826                     }
2827
2828                     if (legacy ||
2829                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2830                         validate_bootdevices(buf);
2831                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2832                     }
2833                     if (!legacy) {
2834                         if (get_param_value(buf, sizeof(buf),
2835                                             "once", optarg)) {
2836                             validate_bootdevices(buf);
2837                             standard_boot_devices = g_strdup(boot_devices);
2838                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2839                             qemu_register_reset(restore_boot_devices,
2840                                                 standard_boot_devices);
2841                         }
2842                         if (get_param_value(buf, sizeof(buf),
2843                                             "menu", optarg)) {
2844                             if (!strcmp(buf, "on")) {
2845                                 boot_menu = 1;
2846                             } else if (!strcmp(buf, "off")) {
2847                                 boot_menu = 0;
2848                             } else {
2849                                 fprintf(stderr,
2850                                         "qemu: invalid option value '%s'\n",
2851                                         buf);
2852                                 exit(1);
2853                             }
2854                         }
2855                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2856                                         optarg, 0);
2857                     }
2858                 }
2859                 break;
2860             case QEMU_OPTION_fda:
2861             case QEMU_OPTION_fdb:
2862                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2863                           optarg, FD_OPTS);
2864                 break;
2865             case QEMU_OPTION_no_fd_bootchk:
2866                 fd_bootchk = 0;
2867                 break;
2868             case QEMU_OPTION_netdev:
2869                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2870                     exit(1);
2871                 }
2872                 break;
2873             case QEMU_OPTION_net:
2874                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2875                     exit(1);
2876                 }
2877                 break;
2878 #ifdef CONFIG_LIBISCSI
2879             case QEMU_OPTION_iscsi:
2880                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2881                 if (!opts) {
2882                     exit(1);
2883                 }
2884                 break;
2885 #endif
2886 #ifdef CONFIG_SLIRP
2887             case QEMU_OPTION_tftp:
2888                 legacy_tftp_prefix = optarg;
2889                 break;
2890             case QEMU_OPTION_bootp:
2891                 legacy_bootp_filename = optarg;
2892                 break;
2893             case QEMU_OPTION_redir:
2894                 if (net_slirp_redir(optarg) < 0)
2895                     exit(1);
2896                 break;
2897 #endif
2898             case QEMU_OPTION_bt:
2899                 add_device_config(DEV_BT, optarg);
2900                 break;
2901             case QEMU_OPTION_audio_help:
2902                 if (!(audio_available())) {
2903                     printf("Option %s not supported for this target\n", popt->name);
2904                     exit(1);
2905                 }
2906                 AUD_help ();
2907                 exit (0);
2908                 break;
2909             case QEMU_OPTION_soundhw:
2910                 if (!(audio_available())) {
2911                     printf("Option %s not supported for this target\n", popt->name);
2912                     exit(1);
2913                 }
2914                 select_soundhw (optarg);
2915                 break;
2916             case QEMU_OPTION_h:
2917                 help(0);
2918                 break;
2919             case QEMU_OPTION_version:
2920                 version();
2921                 exit(0);
2922                 break;
2923             case QEMU_OPTION_m: {
2924                 int64_t value;
2925                 uint64_t sz;
2926                 char *end;
2927
2928                 value = strtosz(optarg, &end);
2929                 if (value < 0 || *end) {
2930                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2931                     exit(1);
2932                 }
2933                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2934                 ram_size = sz;
2935                 if (ram_size != sz) {
2936                     fprintf(stderr, "qemu: ram size too large\n");
2937                     exit(1);
2938                 }
2939                 break;
2940             }
2941             case QEMU_OPTION_mempath:
2942                 mem_path = optarg;
2943                 break;
2944 #ifdef MAP_POPULATE
2945             case QEMU_OPTION_mem_prealloc:
2946                 mem_prealloc = 1;
2947                 break;
2948 #endif
2949             case QEMU_OPTION_d:
2950                 log_mask = optarg;
2951                 break;
2952             case QEMU_OPTION_D:
2953                 log_file = optarg;
2954                 break;
2955             case QEMU_OPTION_s:
2956                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2957                 break;
2958             case QEMU_OPTION_gdb:
2959                 add_device_config(DEV_GDB, optarg);
2960                 break;
2961             case QEMU_OPTION_L:
2962                 data_dir = optarg;
2963                 break;
2964             case QEMU_OPTION_bios:
2965                 bios_name = optarg;
2966                 break;
2967             case QEMU_OPTION_singlestep:
2968                 singlestep = 1;
2969                 break;
2970             case QEMU_OPTION_S:
2971                 autostart = 0;
2972                 break;
2973             case QEMU_OPTION_k:
2974                 keyboard_layout = optarg;
2975                 break;
2976             case QEMU_OPTION_localtime:
2977                 rtc_utc = 0;
2978                 break;
2979             case QEMU_OPTION_vga:
2980                 vga_model = optarg;
2981                 default_vga = 0;
2982                 break;
2983             case QEMU_OPTION_g:
2984                 {
2985                     const char *p;
2986                     int w, h, depth;
2987                     p = optarg;
2988                     w = strtol(p, (char **)&p, 10);
2989                     if (w <= 0) {
2990                     graphic_error:
2991                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2992                         exit(1);
2993                     }
2994                     if (*p != 'x')
2995                         goto graphic_error;
2996                     p++;
2997                     h = strtol(p, (char **)&p, 10);
2998                     if (h <= 0)
2999                         goto graphic_error;
3000                     if (*p == 'x') {
3001                         p++;
3002                         depth = strtol(p, (char **)&p, 10);
3003                         if (depth != 8 && depth != 15 && depth != 16 &&
3004                             depth != 24 && depth != 32)
3005                             goto graphic_error;
3006                     } else if (*p == '\0') {
3007                         depth = graphic_depth;
3008                     } else {
3009                         goto graphic_error;
3010                     }
3011
3012                     graphic_width = w;
3013                     graphic_height = h;
3014                     graphic_depth = depth;
3015                 }
3016                 break;
3017             case QEMU_OPTION_echr:
3018                 {
3019                     char *r;
3020                     term_escape_char = strtol(optarg, &r, 0);
3021                     if (r == optarg)
3022                         printf("Bad argument to echr\n");
3023                     break;
3024                 }
3025             case QEMU_OPTION_monitor:
3026                 monitor_parse(optarg, "readline");
3027                 default_monitor = 0;
3028                 break;
3029             case QEMU_OPTION_qmp:
3030                 monitor_parse(optarg, "control");
3031                 default_monitor = 0;
3032                 break;
3033             case QEMU_OPTION_mon:
3034                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3035                 if (!opts) {
3036                     exit(1);
3037                 }
3038                 default_monitor = 0;
3039                 break;
3040             case QEMU_OPTION_chardev:
3041                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3042                 if (!opts) {
3043                     exit(1);
3044                 }
3045                 break;
3046             case QEMU_OPTION_fsdev:
3047                 olist = qemu_find_opts("fsdev");
3048                 if (!olist) {
3049                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3050                     exit(1);
3051                 }
3052                 opts = qemu_opts_parse(olist, optarg, 1);
3053                 if (!opts) {
3054                     fprintf(stderr, "parse error: %s\n", optarg);
3055                     exit(1);
3056                 }
3057                 break;
3058             case QEMU_OPTION_virtfs: {
3059                 QemuOpts *fsdev;
3060                 QemuOpts *device;
3061                 const char *writeout, *sock_fd, *socket;
3062
3063                 olist = qemu_find_opts("virtfs");
3064                 if (!olist) {
3065                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3066                     exit(1);
3067                 }
3068                 opts = qemu_opts_parse(olist, optarg, 1);
3069                 if (!opts) {
3070                     fprintf(stderr, "parse error: %s\n", optarg);
3071                     exit(1);
3072                 }
3073
3074                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3075                     qemu_opt_get(opts, "mount_tag") == NULL) {
3076                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3077                     exit(1);
3078                 }
3079                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3080                                          qemu_opt_get(opts, "mount_tag"),
3081                                          1, NULL);
3082                 if (!fsdev) {
3083                     fprintf(stderr, "duplicate fsdev id: %s\n",
3084                             qemu_opt_get(opts, "mount_tag"));
3085                     exit(1);
3086                 }
3087
3088                 writeout = qemu_opt_get(opts, "writeout");
3089                 if (writeout) {
3090 #ifdef CONFIG_SYNC_FILE_RANGE
3091                     qemu_opt_set(fsdev, "writeout", writeout);
3092 #else
3093                     fprintf(stderr, "writeout=immediate not supported on "
3094                             "this platform\n");
3095                     exit(1);
3096 #endif
3097                 }
3098                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3099                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3100                 qemu_opt_set(fsdev, "security_model",
3101                              qemu_opt_get(opts, "security_model"));
3102                 socket = qemu_opt_get(opts, "socket");
3103                 if (socket) {
3104                     qemu_opt_set(fsdev, "socket", socket);
3105                 }
3106                 sock_fd = qemu_opt_get(opts, "sock_fd");
3107                 if (sock_fd) {
3108                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
3109                 }
3110
3111                 qemu_opt_set_bool(fsdev, "readonly",
3112                                 qemu_opt_get_bool(opts, "readonly", 0));
3113                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3114                                           NULL);
3115                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3116                 qemu_opt_set(device, "fsdev",
3117                              qemu_opt_get(opts, "mount_tag"));
3118                 qemu_opt_set(device, "mount_tag",
3119                              qemu_opt_get(opts, "mount_tag"));
3120                 break;
3121             }
3122             case QEMU_OPTION_virtfs_synth: {
3123                 QemuOpts *fsdev;
3124                 QemuOpts *device;
3125
3126                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3127                                          1, NULL);
3128                 if (!fsdev) {
3129                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3130                     exit(1);
3131                 }
3132                 qemu_opt_set(fsdev, "fsdriver", "synth");
3133
3134                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3135                                           NULL);
3136                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3137                 qemu_opt_set(device, "fsdev", "v_synth");
3138                 qemu_opt_set(device, "mount_tag", "v_synth");
3139                 break;
3140             }
3141             case QEMU_OPTION_serial:
3142                 add_device_config(DEV_SERIAL, optarg);
3143                 default_serial = 0;
3144                 if (strncmp(optarg, "mon:", 4) == 0) {
3145                     default_monitor = 0;
3146                 }
3147                 break;
3148             case QEMU_OPTION_watchdog:
3149                 if (watchdog) {
3150                     fprintf(stderr,
3151                             "qemu: only one watchdog option may be given\n");
3152                     return 1;
3153                 }
3154                 watchdog = optarg;
3155                 break;
3156             case QEMU_OPTION_watchdog_action:
3157                 if (select_watchdog_action(optarg) == -1) {
3158                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
3159                     exit(1);
3160                 }
3161                 break;
3162             case QEMU_OPTION_virtiocon:
3163                 add_device_config(DEV_VIRTCON, optarg);
3164                 default_virtcon = 0;
3165                 if (strncmp(optarg, "mon:", 4) == 0) {
3166                     default_monitor = 0;
3167                 }
3168                 break;
3169             case QEMU_OPTION_parallel:
3170                 add_device_config(DEV_PARALLEL, optarg);
3171                 default_parallel = 0;
3172                 if (strncmp(optarg, "mon:", 4) == 0) {
3173                     default_monitor = 0;
3174                 }
3175                 break;
3176             case QEMU_OPTION_debugcon:
3177                 add_device_config(DEV_DEBUGCON, optarg);
3178                 break;
3179             case QEMU_OPTION_loadvm:
3180                 loadvm = optarg;
3181                 break;
3182             case QEMU_OPTION_full_screen:
3183                 full_screen = 1;
3184                 break;
3185 #ifdef CONFIG_SDL
3186             case QEMU_OPTION_no_frame:
3187                 no_frame = 1;
3188                 break;
3189             case QEMU_OPTION_alt_grab:
3190                 alt_grab = 1;
3191                 break;
3192             case QEMU_OPTION_ctrl_grab:
3193                 ctrl_grab = 1;
3194                 break;
3195             case QEMU_OPTION_no_quit:
3196                 no_quit = 1;
3197                 break;
3198             case QEMU_OPTION_sdl:
3199                 display_type = DT_SDL;
3200                 break;
3201 #else
3202             case QEMU_OPTION_no_frame:
3203             case QEMU_OPTION_alt_grab:
3204             case QEMU_OPTION_ctrl_grab:
3205             case QEMU_OPTION_no_quit:
3206             case QEMU_OPTION_sdl:
3207                 fprintf(stderr, "SDL support is disabled\n");
3208                 exit(1);
3209 #endif
3210             case QEMU_OPTION_pidfile:
3211                 pid_file = optarg;
3212                 break;
3213             case QEMU_OPTION_win2k_hack:
3214                 win2k_install_hack = 1;
3215                 break;
3216             case QEMU_OPTION_rtc_td_hack: {
3217                 static GlobalProperty slew_lost_ticks[] = {
3218                     {
3219                         .driver   = "mc146818rtc",
3220                         .property = "lost_tick_policy",
3221                         .value    = "slew",
3222                     },
3223                     { /* end of list */ }
3224                 };
3225
3226                 qdev_prop_register_global_list(slew_lost_ticks);
3227                 break;
3228             }
3229             case QEMU_OPTION_acpitable:
3230                 do_acpitable_option(optarg);
3231                 break;
3232             case QEMU_OPTION_smbios:
3233                 do_smbios_option(optarg);
3234                 break;
3235             case QEMU_OPTION_enable_kvm:
3236                 olist = qemu_find_opts("machine");
3237                 qemu_opts_parse(olist, "accel=kvm", 0);
3238                 break;
3239             case QEMU_OPTION_machine:
3240                 olist = qemu_find_opts("machine");
3241                 opts = qemu_opts_parse(olist, optarg, 1);
3242                 if (!opts) {
3243                     fprintf(stderr, "parse error: %s\n", optarg);
3244                     exit(1);
3245                 }
3246                 optarg = qemu_opt_get(opts, "type");
3247                 if (optarg) {
3248                     machine = machine_parse(optarg);
3249                 }
3250                 break;
3251              case QEMU_OPTION_no_kvm:
3252                 olist = qemu_find_opts("machine");
3253                 qemu_opts_parse(olist, "accel=tcg", 0);
3254                 break;
3255             case QEMU_OPTION_no_kvm_pit: {
3256                 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3257                                 "separately.\n");
3258                 break;
3259             }
3260             case QEMU_OPTION_no_kvm_pit_reinjection: {
3261                 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3262                     {
3263                         .driver   = "kvm-pit",
3264                         .property = "lost_tick_policy",
3265                         .value    = "discard",
3266                     },
3267                     { /* end of list */ }
3268                 };
3269
3270                 fprintf(stderr, "Warning: option deprecated, use "
3271                         "lost_tick_policy property of kvm-pit instead.\n");
3272                 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3273                 break;
3274             }
3275             case QEMU_OPTION_usb:
3276                 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3277                 if (machine_opts) {
3278                     qemu_opt_set_bool(machine_opts, "usb", true);
3279                 }
3280                 break;
3281             case QEMU_OPTION_usbdevice:
3282                 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3283                 if (machine_opts) {
3284                     qemu_opt_set_bool(machine_opts, "usb", true);
3285                 }
3286                 add_device_config(DEV_USB, optarg);
3287                 break;
3288             case QEMU_OPTION_device:
3289                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3290                     exit(1);
3291                 }
3292                 break;
3293             case QEMU_OPTION_smp:
3294                 smp_parse(optarg);
3295                 if (smp_cpus < 1) {
3296                     fprintf(stderr, "Invalid number of CPUs\n");
3297                     exit(1);
3298                 }
3299                 if (max_cpus < smp_cpus) {
3300                     fprintf(stderr, "maxcpus must be equal to or greater than "
3301                             "smp\n");
3302                     exit(1);
3303                 }
3304                 if (max_cpus > 255) {
3305                     fprintf(stderr, "Unsupported number of maxcpus\n");
3306                     exit(1);
3307                 }
3308                 break;
3309             case QEMU_OPTION_vnc:
3310 #ifdef CONFIG_VNC
3311                 display_remote++;
3312                 vnc_display = optarg;
3313 #else
3314                 fprintf(stderr, "VNC support is disabled\n");
3315                 exit(1);
3316 #endif
3317                 break;
3318             case QEMU_OPTION_no_acpi:
3319                 acpi_enabled = 0;
3320                 break;
3321             case QEMU_OPTION_no_hpet:
3322                 no_hpet = 1;
3323                 break;
3324             case QEMU_OPTION_balloon:
3325                 if (balloon_parse(optarg) < 0) {
3326                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3327                     exit(1);
3328                 }
3329                 break;
3330             case QEMU_OPTION_no_reboot:
3331                 no_reboot = 1;
3332                 break;
3333             case QEMU_OPTION_no_shutdown:
3334                 no_shutdown = 1;
3335                 break;
3336             case QEMU_OPTION_show_cursor:
3337                 cursor_hide = 0;
3338                 break;
3339             case QEMU_OPTION_uuid:
3340                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3341                     fprintf(stderr, "Fail to parse UUID string."
3342                             " Wrong format.\n");
3343                     exit(1);
3344                 }
3345                 break;
3346             case QEMU_OPTION_option_rom:
3347                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3348                     fprintf(stderr, "Too many option ROMs\n");
3349                     exit(1);
3350                 }
3351                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3352                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3353                 option_rom[nb_option_roms].bootindex =
3354                     qemu_opt_get_number(opts, "bootindex", -1);
3355                 if (!option_rom[nb_option_roms].name) {
3356                     fprintf(stderr, "Option ROM file is not specified\n");
3357                     exit(1);
3358                 }
3359                 nb_option_roms++;
3360                 break;
3361             case QEMU_OPTION_semihosting:
3362                 semihosting_enabled = 1;
3363                 break;
3364             case QEMU_OPTION_tdf:
3365                 fprintf(stderr, "Warning: user space PIT time drift fix "
3366                                 "is no longer supported.\n");
3367                 break;
3368             case QEMU_OPTION_name:
3369                 qemu_name = g_strdup(optarg);
3370                  {
3371                      char *p = strchr(qemu_name, ',');
3372                      if (p != NULL) {
3373                         *p++ = 0;
3374                         if (strncmp(p, "process=", 8)) {
3375                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3376                             exit(1);
3377                         }
3378                         p += 8;
3379                         os_set_proc_name(p);
3380                      }
3381                  }
3382                 break;
3383             case QEMU_OPTION_prom_env:
3384                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3385                     fprintf(stderr, "Too many prom variables\n");
3386                     exit(1);
3387                 }
3388                 prom_envs[nb_prom_envs] = optarg;
3389                 nb_prom_envs++;
3390                 break;
3391             case QEMU_OPTION_old_param:
3392                 old_param = 1;
3393                 break;
3394             case QEMU_OPTION_clock:
3395                 configure_alarms(optarg);
3396                 break;
3397             case QEMU_OPTION_startdate:
3398                 configure_rtc_date_offset(optarg, 1);
3399                 break;
3400             case QEMU_OPTION_rtc:
3401                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3402                 if (!opts) {
3403                     exit(1);
3404                 }
3405                 configure_rtc(opts);
3406                 break;
3407             case QEMU_OPTION_tb_size:
3408                 tcg_tb_size = strtol(optarg, NULL, 0);
3409                 if (tcg_tb_size < 0) {
3410                     tcg_tb_size = 0;
3411                 }
3412                 break;
3413             case QEMU_OPTION_icount:
3414                 icount_option = optarg;
3415                 break;
3416             case QEMU_OPTION_incoming:
3417                 incoming = optarg;
3418                 runstate_set(RUN_STATE_INMIGRATE);
3419                 break;
3420             case QEMU_OPTION_nodefaults:
3421                 default_serial = 0;
3422                 default_parallel = 0;
3423                 default_virtcon = 0;
3424                 default_monitor = 0;
3425                 default_net = 0;
3426                 default_floppy = 0;
3427                 default_cdrom = 0;
3428                 default_sdcard = 0;
3429                 default_vga = 0;
3430                 break;
3431             case QEMU_OPTION_xen_domid:
3432                 if (!(xen_available())) {
3433                     printf("Option %s not supported for this target\n", popt->name);
3434                     exit(1);
3435                 }
3436                 xen_domid = atoi(optarg);
3437                 break;
3438             case QEMU_OPTION_xen_create:
3439                 if (!(xen_available())) {
3440                     printf("Option %s not supported for this target\n", popt->name);
3441                     exit(1);
3442                 }
3443                 xen_mode = XEN_CREATE;
3444                 break;
3445             case QEMU_OPTION_xen_attach:
3446                 if (!(xen_available())) {
3447                     printf("Option %s not supported for this target\n", popt->name);
3448                     exit(1);
3449                 }
3450                 xen_mode = XEN_ATTACH;
3451                 break;
3452             case QEMU_OPTION_trace:
3453             {
3454                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3455                 if (!opts) {
3456                     exit(1);
3457                 }
3458                 trace_events = qemu_opt_get(opts, "events");
3459                 trace_file = qemu_opt_get(opts, "file");
3460                 break;
3461             }
3462             case QEMU_OPTION_readconfig:
3463                 {
3464                     int ret = qemu_read_config_file(optarg);
3465                     if (ret < 0) {
3466                         fprintf(stderr, "read config %s: %s\n", optarg,
3467                             strerror(-ret));
3468                         exit(1);
3469                     }
3470                     break;
3471                 }
3472             case QEMU_OPTION_spice:
3473                 olist = qemu_find_opts("spice");
3474                 if (!olist) {
3475                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3476                     exit(1);
3477                 }
3478                 opts = qemu_opts_parse(olist, optarg, 0);
3479                 if (!opts) {
3480                     fprintf(stderr, "parse error: %s\n", optarg);
3481                     exit(1);
3482                 }
3483                 break;
3484             case QEMU_OPTION_writeconfig:
3485                 {
3486                     FILE *fp;
3487                     if (strcmp(optarg, "-") == 0) {
3488                         fp = stdout;
3489                     } else {
3490                         fp = fopen(optarg, "w");
3491                         if (fp == NULL) {
3492                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3493                             exit(1);
3494                         }
3495                     }
3496                     qemu_config_write(fp);
3497                     fclose(fp);
3498                     break;
3499                 }
3500             case QEMU_OPTION_qtest:
3501                 qtest_chrdev = optarg;
3502                 break;
3503             case QEMU_OPTION_qtest_log:
3504                 qtest_log = optarg;
3505                 break;
3506             case QEMU_OPTION_sandbox:
3507                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3508                 if (!opts) {
3509                     exit(0);
3510                 }
3511                 break;
3512             case QEMU_OPTION_add_fd:
3513 #ifndef _WIN32
3514                 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3515                 if (!opts) {
3516                     exit(0);
3517                 }
3518 #else
3519                 error_report("File descriptor passing is disabled on this "
3520                              "platform");
3521                 exit(1);
3522 #endif
3523                 break;
3524             case QEMU_OPTION_object:
3525                 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3526                 break;
3527             default:
3528                 os_parse_cmd_args(popt->index, optarg);
3529             }
3530         }
3531     }
3532     loc_set_none();
3533
3534     if (qemu_init_main_loop()) {
3535         fprintf(stderr, "qemu_init_main_loop failed\n");
3536         exit(1);
3537     }
3538
3539     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3540         exit(1);
3541     }
3542
3543 #ifndef _WIN32
3544     if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3545         exit(1);
3546     }
3547
3548     if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3549         exit(1);
3550     }
3551 #endif
3552
3553     if (machine == NULL) {
3554         fprintf(stderr, "No machine found.\n");
3555         exit(1);
3556     }
3557
3558     if (machine->hw_version) {
3559         qemu_set_version(machine->hw_version);
3560     }
3561
3562     if (qemu_opts_foreach(qemu_find_opts("object"),
3563                           object_create, NULL, 0) != 0) {
3564         exit(1);
3565     }
3566
3567     /* Init CPU def lists, based on config
3568      * - Must be called after all the qemu_read_config_file() calls
3569      * - Must be called before list_cpus()
3570      * - Must be called before machine->init()
3571      */
3572     cpudef_init();
3573
3574     if (cpu_model && is_help_option(cpu_model)) {
3575         list_cpus(stdout, &fprintf, cpu_model);
3576         exit(0);
3577     }
3578
3579     /* Open the logfile at this point, if necessary. We can't open the logfile
3580      * when encountering either of the logging options (-d or -D) because the
3581      * other one may be encountered later on the command line, changing the
3582      * location or level of logging.
3583      */
3584     if (log_mask) {
3585         if (log_file) {
3586             set_cpu_log_filename(log_file);
3587         }
3588         set_cpu_log(log_mask);
3589     }
3590
3591     if (!trace_backend_init(trace_events, trace_file)) {
3592         exit(1);
3593     }
3594
3595     /* If no data_dir is specified then try to find it relative to the
3596        executable path.  */
3597     if (!data_dir) {
3598         data_dir = os_find_datadir(argv[0]);
3599     }
3600     /* If all else fails use the install path specified when building. */
3601     if (!data_dir) {
3602         data_dir = CONFIG_QEMU_DATADIR;
3603     }
3604
3605     /*
3606      * Default to max_cpus = smp_cpus, in case the user doesn't
3607      * specify a max_cpus value.
3608      */
3609     if (!max_cpus)
3610         max_cpus = smp_cpus;
3611
3612     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3613     if (smp_cpus > machine->max_cpus) {
3614         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3615                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3616                 machine->max_cpus);
3617         exit(1);
3618     }
3619
3620     /*
3621      * Get the default machine options from the machine if it is not already
3622      * specified either by the configuration file or by the command line.
3623      */
3624     if (machine->default_machine_opts) {
3625         qemu_opts_set_defaults(qemu_find_opts("machine"),
3626                                machine->default_machine_opts, 0);
3627     }
3628
3629     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3630     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3631
3632     if (machine->no_serial) {
3633         default_serial = 0;
3634     }
3635     if (machine->no_parallel) {
3636         default_parallel = 0;
3637     }
3638     if (!machine->use_virtcon) {
3639         default_virtcon = 0;
3640     }
3641     if (machine->no_floppy) {
3642         default_floppy = 0;
3643     }
3644     if (machine->no_cdrom) {
3645         default_cdrom = 0;
3646     }
3647     if (machine->no_sdcard) {
3648         default_sdcard = 0;
3649     }
3650
3651     if (display_type == DT_NOGRAPHIC) {
3652         if (default_parallel)
3653             add_device_config(DEV_PARALLEL, "null");
3654         if (default_serial && default_monitor) {
3655             add_device_config(DEV_SERIAL, "mon:stdio");
3656         } else if (default_virtcon && default_monitor) {
3657             add_device_config(DEV_VIRTCON, "mon:stdio");
3658         } else {
3659             if (default_serial)
3660                 add_device_config(DEV_SERIAL, "stdio");
3661             if (default_virtcon)
3662                 add_device_config(DEV_VIRTCON, "stdio");
3663             if (default_monitor)
3664                 monitor_parse("stdio", "readline");
3665         }
3666     } else {
3667         if (default_serial)
3668             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3669         if (default_parallel)
3670             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3671         if (default_monitor)
3672             monitor_parse("vc:80Cx24C", "readline");
3673         if (default_virtcon)
3674             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3675     }
3676
3677     socket_init();
3678
3679     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3680         exit(1);
3681 #ifdef CONFIG_VIRTFS
3682     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3683         exit(1);
3684     }
3685 #endif
3686
3687     os_daemonize();
3688
3689     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3690         os_pidfile_error();
3691         exit(1);
3692     }
3693
3694     /* init the memory */
3695     if (ram_size == 0) {
3696         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3697     }
3698
3699     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3700         != 0) {
3701         exit(0);
3702     }
3703
3704     configure_accelerator();
3705
3706     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3707     if (machine_opts) {
3708         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3709         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3710         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3711     } else {
3712         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3713     }
3714
3715     if (!kernel_cmdline) {
3716         kernel_cmdline = "";
3717     }
3718
3719     linux_boot = (kernel_filename != NULL);
3720
3721     if (!linux_boot && *kernel_cmdline != '\0') {
3722         fprintf(stderr, "-append only allowed with -kernel option\n");
3723         exit(1);
3724     }
3725
3726     if (!linux_boot && initrd_filename != NULL) {
3727         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3728         exit(1);
3729     }
3730
3731     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3732         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3733         exit(1);
3734     }
3735
3736     os_set_line_buffering();
3737
3738     qemu_init_cpu_loop();
3739     qemu_mutex_lock_iothread();
3740
3741 #ifdef CONFIG_SPICE
3742     /* spice needs the timers to be initialized by this point */
3743     qemu_spice_init();
3744 #endif
3745
3746     if (icount_option && (kvm_enabled() || xen_enabled())) {
3747         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3748         exit(1);
3749     }
3750     configure_icount(icount_option);
3751
3752     if (net_init_clients() < 0) {
3753         exit(1);
3754     }
3755
3756     /* init the bluetooth world */
3757     if (foreach_device_config(DEV_BT, bt_parse))
3758         exit(1);
3759
3760     if (!xen_enabled()) {
3761         /* On 32-bit hosts, QEMU is limited by virtual address space */
3762         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3763             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3764             exit(1);
3765         }
3766     }
3767
3768     cpu_exec_init_all();
3769
3770     bdrv_init_with_whitelist();
3771
3772     blk_mig_init();
3773
3774     /* open the virtual block devices */
3775     if (snapshot)
3776         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3777     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3778         exit(1);
3779
3780     default_drive(default_cdrom, snapshot, machine->use_scsi,
3781                   IF_DEFAULT, 2, CDROM_OPTS);
3782     default_drive(default_floppy, snapshot, machine->use_scsi,
3783                   IF_FLOPPY, 0, FD_OPTS);
3784     default_drive(default_sdcard, snapshot, machine->use_scsi,
3785                   IF_SD, 0, SD_OPTS);
3786
3787     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3788
3789     if (nb_numa_nodes > 0) {
3790         int i;
3791
3792         if (nb_numa_nodes > MAX_NODES) {
3793             nb_numa_nodes = MAX_NODES;
3794         }
3795
3796         /* If no memory size if given for any node, assume the default case
3797          * and distribute the available memory equally across all nodes
3798          */
3799         for (i = 0; i < nb_numa_nodes; i++) {
3800             if (node_mem[i] != 0)
3801                 break;
3802         }
3803         if (i == nb_numa_nodes) {
3804             uint64_t usedmem = 0;
3805
3806             /* On Linux, the each node's border has to be 8MB aligned,
3807              * the final node gets the rest.
3808              */
3809             for (i = 0; i < nb_numa_nodes - 1; i++) {
3810                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3811                 usedmem += node_mem[i];
3812             }
3813             node_mem[i] = ram_size - usedmem;
3814         }
3815
3816         for (i = 0; i < nb_numa_nodes; i++) {
3817             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3818                 break;
3819             }
3820         }
3821         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3822          * must cope with this anyway, because there are BIOSes out there in
3823          * real machines which also use this scheme.
3824          */
3825         if (i == nb_numa_nodes) {
3826             for (i = 0; i < max_cpus; i++) {
3827                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3828             }
3829         }
3830     }
3831
3832     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3833         exit(1);
3834     }
3835
3836     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3837         exit(1);
3838     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3839         exit(1);
3840     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3841         exit(1);
3842     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3843         exit(1);
3844
3845     /* If no default VGA is requested, the default is "none".  */
3846     if (default_vga) {
3847         if (cirrus_vga_available()) {
3848             vga_model = "cirrus";
3849         } else if (vga_available()) {
3850             vga_model = "std";
3851         }
3852     }
3853     select_vgahw(vga_model);
3854
3855     if (watchdog) {
3856         i = select_watchdog(watchdog);
3857         if (i > 0)
3858             exit (i == 1 ? 1 : 0);
3859     }
3860
3861     if (machine->compat_props) {
3862         qdev_prop_register_global_list(machine->compat_props);
3863     }
3864     qemu_add_globals();
3865
3866     qdev_machine_init();
3867
3868     QEMUMachineInitArgs args = { .ram_size = ram_size,
3869                                  .boot_device = boot_devices,
3870                                  .kernel_filename = kernel_filename,
3871                                  .kernel_cmdline = kernel_cmdline,
3872                                  .initrd_filename = initrd_filename,
3873                                  .cpu_model = cpu_model };
3874     machine->init(&args);
3875
3876     cpu_synchronize_all_post_init();
3877
3878     set_numa_modes();
3879
3880     current_machine = machine;
3881
3882     /* init USB devices */
3883     if (usb_enabled(false)) {
3884         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3885             exit(1);
3886     }
3887
3888     /* init generic devices */
3889     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3890         exit(1);
3891
3892     net_check_clients();
3893
3894     /* just use the first displaystate for the moment */
3895     ds = get_displaystate();
3896
3897     if (using_spice)
3898         display_remote++;
3899     if (display_type == DT_DEFAULT && !display_remote) {
3900 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3901         display_type = DT_SDL;
3902 #elif defined(CONFIG_VNC)
3903         vnc_display = "localhost:0,to=99";
3904         show_vnc_port = 1;
3905 #else
3906         display_type = DT_NONE;
3907 #endif
3908     }
3909
3910
3911     /* init local displays */
3912     switch (display_type) {
3913     case DT_NOGRAPHIC:
3914         break;
3915 #if defined(CONFIG_CURSES)
3916     case DT_CURSES:
3917         if (!is_daemonized()) {
3918             curses_display_init(ds, full_screen);
3919         }
3920         break;
3921 #endif
3922 #if defined(CONFIG_SDL)
3923     case DT_SDL:
3924         sdl_display_init(ds, full_screen, no_frame);
3925         break;
3926 #elif defined(CONFIG_COCOA)
3927     case DT_SDL:
3928         cocoa_display_init(ds, full_screen);
3929         break;
3930 #endif
3931     default:
3932         break;
3933     }
3934
3935     /* must be after terminal init, SDL library changes signal handlers */
3936     os_setup_signal_handling();
3937
3938 #ifdef CONFIG_VNC
3939     /* init remote displays */
3940     if (vnc_display) {
3941         Error *local_err = NULL;
3942         vnc_display_init(ds);
3943         vnc_display_open(ds, vnc_display, &local_err);
3944         if (local_err != NULL) {
3945             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3946                     vnc_display, error_get_pretty(local_err));
3947             error_free(local_err);
3948             exit(1);
3949         }
3950
3951         if (show_vnc_port) {
3952             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3953         }
3954     }
3955 #endif
3956 #ifdef CONFIG_SPICE
3957     if (using_spice && !qxl_enabled) {
3958         qemu_spice_display_init(ds);
3959     }
3960 #endif
3961
3962     /* display setup */
3963     text_consoles_set_display(ds);
3964
3965     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3966         exit(1);
3967     }
3968
3969     qdev_machine_creation_done();
3970
3971     if (rom_load_all() != 0) {
3972         fprintf(stderr, "rom loading failed\n");
3973         exit(1);
3974     }
3975
3976     /* TODO: once all bus devices are qdevified, this should be done
3977      * when bus is created by qdev.c */
3978     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3979     qemu_run_machine_init_done_notifiers();
3980
3981     qemu_system_reset(VMRESET_SILENT);
3982     if (loadvm) {
3983         if (load_vmstate(loadvm) < 0) {
3984             autostart = 0;
3985         }
3986     }
3987
3988     if (incoming) {
3989         Error *local_err = NULL;
3990         qemu_start_incoming_migration(incoming, &local_err);
3991         if (local_err) {
3992             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3993             error_free(local_err);
3994             exit(1);
3995         }
3996     } else if (autostart) {
3997         vm_start();
3998     }
3999
4000     os_setup_post();
4001
4002     resume_all_vcpus();
4003     main_loop();
4004     bdrv_close_all();
4005     pause_all_vcpus();
4006     net_cleanup();
4007     res_free();
4008
4009     return 0;
4010 }