vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31 #include "bitmap.h"
  32
  33 /* Needed early for CONFIG_BSD etc. */
  34 #include "config-host.h"
  35
  36 #ifndef _WIN32
  37 #include <libgen.h>
  38 #include <sys/times.h>
  39 #include <sys/wait.h>
  40 #include <termios.h>
  41 #include <sys/mman.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/resource.h>
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <net/if.h>
  47 #include <arpa/inet.h>
  48 #include <dirent.h>
  49 #include <netdb.h>
  50 #include <sys/select.h>
  51
  52 #ifdef CONFIG_BSD
  53 #include <sys/stat.h>
  54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <malloc.h>
  62
  63 #include <linux/ppdev.h>
  64 #include <linux/parport.h>
  65 #endif
  66
  67 #ifdef CONFIG_SECCOMP
  68 #include "qemu-seccomp.h"
  69 #endif
  70
  71 #ifdef __sun__
  72 #include <sys/stat.h>
  73 #include <sys/ethernet.h>
  74 #include <sys/sockio.h>
  75 #include <netinet/arp.h>
  76 #include <netinet/in_systm.h>
  77 #include <netinet/ip.h>
  78 #include <netinet/ip_icmp.h> // must come after ip.h
  79 #include <netinet/udp.h>
  80 #include <netinet/tcp.h>
  81 #include <net/if.h>
  82 #include <syslog.h>
  83 #include <stropts.h>
  84 #endif
  85 #endif
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "blockdev.h"
 140 #include "hw/block-common.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168 #include "osdep.h"
 169
 170 #include "ui/qemu-spice.h"
 171 #include "qapi/string-input-visitor.h"
 172
 173 //#define DEBUG_NET
 174 //#define DEBUG_SLIRP
 175
 176 #define DEFAULT_RAM_SIZE 128
 177
 178 #define MAX_VIRTIO_CONSOLES 1
 179
 180 static const char *data_dir;
 181 const char *bios_name = NULL;
 182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 183 DisplayType display_type = DT_DEFAULT;
 184 static int display_remote;
 185 const char* keyboard_layout = NULL;
 186 ram_addr_t ram_size;
 187 const char *mem_path = NULL;
 188 #ifdef MAP_POPULATE
 189 int mem_prealloc = 0; /* force preallocation of physical target memory */
 190 #endif
 191 int nb_nics;
 192 NICInfo nd_table[MAX_NICS];
 193 int autostart;
 194 static int rtc_utc = 1;
 195 static int rtc_date_offset = -1; /* -1 means no change */
 196 QEMUClock *rtc_clock;
 197 int vga_interface_type = VGA_NONE;
 198 static int full_screen = 0;
 199 #ifdef CONFIG_SDL
 200 static int no_frame = 0;
 201 #endif
 202 int no_quit = 0;
 203 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 204 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 205 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 206 int win2k_install_hack = 0;
 207 int singlestep = 0;
 208 int smp_cpus = 1;
 209 int max_cpus = 0;
 210 int smp_cores = 1;
 211 int smp_threads = 1;
 212 #ifdef CONFIG_VNC
 213 const char *vnc_display;
 214 #endif
 215 int acpi_enabled = 1;
 216 int no_hpet = 0;
 217 int fd_bootchk = 1;
 218 static int no_reboot;
 219 int no_shutdown = 0;
 220 int cursor_hide = 1;
 221 int graphic_rotate = 0;
 222 const char *watchdog;
 223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 224 int nb_option_roms;
 225 int semihosting_enabled = 0;
 226 int old_param = 0;
 227 const char *qemu_name;
 228 int alt_grab = 0;
 229 int ctrl_grab = 0;
 230 unsigned int nb_prom_envs = 0;
 231 const char *prom_envs[MAX_PROM_ENVS];
 232 int boot_menu;
 233 uint8_t *boot_splash_filedata;
 234 int boot_splash_filedata_size;
 235 uint8_t qemu_extra_params_fw[2];
 236
 237 typedef struct FWBootEntry FWBootEntry;
 238
 239 struct FWBootEntry {
 240     QTAILQ_ENTRY(FWBootEntry) link;
 241     int32_t bootindex;
 242     DeviceState *dev;
 243     char *suffix;
 244 };
 245
 246 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 247     QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 248
 249 int nb_numa_nodes;
 250 uint64_t node_mem[MAX_NODES];
 251 unsigned long *node_cpumask[MAX_NODES];
 252
 253 uint8_t qemu_uuid[16];
 254
 255 static QEMUBootSetHandler *boot_set_handler;
 256 static void *boot_set_opaque;
 257
 258 static NotifierList exit_notifiers =
 259     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 260
 261 static NotifierList machine_init_done_notifiers =
 262     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 263
 264 static int tcg_allowed = 1;
 265 int kvm_allowed = 0;
 266 int xen_allowed = 0;
 267 uint32_t xen_domid;
 268 enum xen_mode xen_mode = XEN_EMULATE;
 269 static int tcg_tb_size;
 270
 271 static int default_serial = 1;
 272 static int default_parallel = 1;
 273 static int default_virtcon = 1;
 274 static int default_monitor = 1;
 275 static int default_floppy = 1;
 276 static int default_cdrom = 1;
 277 static int default_sdcard = 1;
 278 static int default_vga = 1;
 279
 280 static struct {
 281     const char *driver;
 282     int *flag;
 283 } default_list[] = {
 284     { .driver = "isa-serial",           .flag = &default_serial    },
 285     { .driver = "isa-parallel",         .flag = &default_parallel  },
 286     { .driver = "isa-fdc",              .flag = &default_floppy    },
 287     { .driver = "ide-cd",               .flag = &default_cdrom     },
 288     { .driver = "ide-hd",               .flag = &default_cdrom     },
 289     { .driver = "ide-drive",            .flag = &default_cdrom     },
 290     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 291     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 292     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 293     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 294     { .driver = "VGA",                  .flag = &default_vga       },
 295     { .driver = "isa-vga",              .flag = &default_vga       },
 296     { .driver = "cirrus-vga",           .flag = &default_vga       },
 297     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 298     { .driver = "vmware-svga",          .flag = &default_vga       },
 299     { .driver = "qxl-vga",              .flag = &default_vga       },
 300 };
 301
 302 const char *qemu_get_vm_name(void)
 303 {
 304     return qemu_name;
 305 }
 306
 307 static void res_free(void)
 308 {
 309     if (boot_splash_filedata != NULL) {
 310         g_free(boot_splash_filedata);
 311         boot_splash_filedata = NULL;
 312     }
 313 }
 314
 315 static int default_driver_check(QemuOpts *opts, void *opaque)
 316 {
 317     const char *driver = qemu_opt_get(opts, "driver");
 318     int i;
 319
 320     if (!driver)
 321         return 0;
 322     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 323         if (strcmp(default_list[i].driver, driver) != 0)
 324             continue;
 325         *(default_list[i].flag) = 0;
 326     }
 327     return 0;
 328 }
 329
 330 /***********************************************************/
 331 /* QEMU state */
 332
 333 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 334
 335 typedef struct {
 336     RunState from;
 337     RunState to;
 338 } RunStateTransition;
 339
 340 static const RunStateTransition runstate_transitions_def[] = {
 341     /*     from      ->     to      */
 342     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 343
 344     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 345     { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 346
 347     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 348     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 349
 350     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 351     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 352
 353     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 354     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 355
 356     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 357     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 358
 359     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 360     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 361     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 362
 363     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 364     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 365
 366     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 367
 368     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 369     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 370     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 371     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 372     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 373     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 374     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 375     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 376     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 377
 378     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 379
 380     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 381     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 382
 383     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 384     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 385     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 386     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 387
 388     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 389     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 390
 391     { RUN_STATE_MAX, RUN_STATE_MAX },
 392 };
 393
 394 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 395
 396 bool runstate_check(RunState state)
 397 {
 398     return current_run_state == state;
 399 }
 400
 401 static void runstate_init(void)
 402 {
 403     const RunStateTransition *p;
 404
 405     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 406
 407     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 408         runstate_valid_transitions[p->from][p->to] = true;
 409     }
 410 }
 411
 412 /* This function will abort() on invalid state transitions */
 413 void runstate_set(RunState new_state)
 414 {
 415     assert(new_state < RUN_STATE_MAX);
 416
 417     if (!runstate_valid_transitions[current_run_state][new_state]) {
 418         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 419                 RunState_lookup[current_run_state],
 420                 RunState_lookup[new_state]);
 421         abort();
 422     }
 423
 424     current_run_state = new_state;
 425 }
 426
 427 int runstate_is_running(void)
 428 {
 429     return runstate_check(RUN_STATE_RUNNING);
 430 }
 431
 432 StatusInfo *qmp_query_status(Error **errp)
 433 {
 434     StatusInfo *info = g_malloc0(sizeof(*info));
 435
 436     info->running = runstate_is_running();
 437     info->singlestep = singlestep;
 438     info->status = current_run_state;
 439
 440     return info;
 441 }
 442
 443 /***********************************************************/
 444 /* real time host monotonic timer */
 445
 446 /***********************************************************/
 447 /* host time/date access */
 448 void qemu_get_timedate(struct tm *tm, int offset)
 449 {
 450     time_t ti;
 451     struct tm *ret;
 452
 453     time(&ti);
 454     ti += offset;
 455     if (rtc_date_offset == -1) {
 456         if (rtc_utc)
 457             ret = gmtime(&ti);
 458         else
 459             ret = localtime(&ti);
 460     } else {
 461         ti -= rtc_date_offset;
 462         ret = gmtime(&ti);
 463     }
 464
 465     memcpy(tm, ret, sizeof(struct tm));
 466 }
 467
 468 int qemu_timedate_diff(struct tm *tm)
 469 {
 470     time_t seconds;
 471
 472     if (rtc_date_offset == -1)
 473         if (rtc_utc)
 474             seconds = mktimegm(tm);
 475         else {
 476             struct tm tmp = *tm;
 477             tmp.tm_isdst = -1; /* use timezone to figure it out */
 478             seconds = mktime(&tmp);
 479         }
 480     else
 481         seconds = mktimegm(tm) + rtc_date_offset;
 482
 483     return seconds - time(NULL);
 484 }
 485
 486 void rtc_change_mon_event(struct tm *tm)
 487 {
 488     QObject *data;
 489
 490     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 491     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 492     qobject_decref(data);
 493 }
 494
 495 static void configure_rtc_date_offset(const char *startdate, int legacy)
 496 {
 497     time_t rtc_start_date;
 498     struct tm tm;
 499
 500     if (!strcmp(startdate, "now") && legacy) {
 501         rtc_date_offset = -1;
 502     } else {
 503         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 504                    &tm.tm_year,
 505                    &tm.tm_mon,
 506                    &tm.tm_mday,
 507                    &tm.tm_hour,
 508                    &tm.tm_min,
 509                    &tm.tm_sec) == 6) {
 510             /* OK */
 511         } else if (sscanf(startdate, "%d-%d-%d",
 512                           &tm.tm_year,
 513                           &tm.tm_mon,
 514                           &tm.tm_mday) == 3) {
 515             tm.tm_hour = 0;
 516             tm.tm_min = 0;
 517             tm.tm_sec = 0;
 518         } else {
 519             goto date_fail;
 520         }
 521         tm.tm_year -= 1900;
 522         tm.tm_mon--;
 523         rtc_start_date = mktimegm(&tm);
 524         if (rtc_start_date == -1) {
 525         date_fail:
 526             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 527                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 528             exit(1);
 529         }
 530         rtc_date_offset = time(NULL) - rtc_start_date;
 531     }
 532 }
 533
 534 static void configure_rtc(QemuOpts *opts)
 535 {
 536     const char *value;
 537
 538     value = qemu_opt_get(opts, "base");
 539     if (value) {
 540         if (!strcmp(value, "utc")) {
 541             rtc_utc = 1;
 542         } else if (!strcmp(value, "localtime")) {
 543             rtc_utc = 0;
 544         } else {
 545             configure_rtc_date_offset(value, 0);
 546         }
 547     }
 548     value = qemu_opt_get(opts, "clock");
 549     if (value) {
 550         if (!strcmp(value, "host")) {
 551             rtc_clock = host_clock;
 552         } else if (!strcmp(value, "rt")) {
 553             rtc_clock = rt_clock;
 554         } else if (!strcmp(value, "vm")) {
 555             rtc_clock = vm_clock;
 556         } else {
 557             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 558             exit(1);
 559         }
 560     }
 561     value = qemu_opt_get(opts, "driftfix");
 562     if (value) {
 563         if (!strcmp(value, "slew")) {
 564             static GlobalProperty slew_lost_ticks[] = {
 565                 {
 566                     .driver   = "mc146818rtc",
 567                     .property = "lost_tick_policy",
 568                     .value    = "slew",
 569                 },
 570                 { /* end of list */ }
 571             };
 572
 573             qdev_prop_register_global_list(slew_lost_ticks);
 574         } else if (!strcmp(value, "none")) {
 575             /* discard is default */
 576         } else {
 577             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 578             exit(1);
 579         }
 580     }
 581 }
 582
 583 /***********************************************************/
 584 /* Bluetooth support */
 585 static int nb_hcis;
 586 static int cur_hci;
 587 static struct HCIInfo *hci_table[MAX_NICS];
 588
 589 static struct bt_vlan_s {
 590     struct bt_scatternet_s net;
 591     int id;
 592     struct bt_vlan_s *next;
 593 } *first_bt_vlan;
 594
 595 /* find or alloc a new bluetooth "VLAN" */
 596 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 597 {
 598     struct bt_vlan_s **pvlan, *vlan;
 599     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 600         if (vlan->id == id)
 601             return &vlan->net;
 602     }
 603     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 604     vlan->id = id;
 605     pvlan = &first_bt_vlan;
 606     while (*pvlan != NULL)
 607         pvlan = &(*pvlan)->next;
 608     *pvlan = vlan;
 609     return &vlan->net;
 610 }
 611
 612 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 613 {
 614 }
 615
 616 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 617 {
 618     return -ENOTSUP;
 619 }
 620
 621 static struct HCIInfo null_hci = {
 622     .cmd_send = null_hci_send,
 623     .sco_send = null_hci_send,
 624     .acl_send = null_hci_send,
 625     .bdaddr_set = null_hci_addr_set,
 626 };
 627
 628 struct HCIInfo *qemu_next_hci(void)
 629 {
 630     if (cur_hci == nb_hcis)
 631         return &null_hci;
 632
 633     return hci_table[cur_hci++];
 634 }
 635
 636 static struct HCIInfo *hci_init(const char *str)
 637 {
 638     char *endp;
 639     struct bt_scatternet_s *vlan = 0;
 640
 641     if (!strcmp(str, "null"))
 642         /* null */
 643         return &null_hci;
 644     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 645         /* host[:hciN] */
 646         return bt_host_hci(str[4] ? str + 5 : "hci0");
 647     else if (!strncmp(str, "hci", 3)) {
 648         /* hci[,vlan=n] */
 649         if (str[3]) {
 650             if (!strncmp(str + 3, ",vlan=", 6)) {
 651                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 652                 if (*endp)
 653                     vlan = 0;
 654             }
 655         } else
 656             vlan = qemu_find_bt_vlan(0);
 657         if (vlan)
 658            return bt_new_hci(vlan);
 659     }
 660
 661     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 662
 663     return 0;
 664 }
 665
 666 static int bt_hci_parse(const char *str)
 667 {
 668     struct HCIInfo *hci;
 669     bdaddr_t bdaddr;
 670
 671     if (nb_hcis >= MAX_NICS) {
 672         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 673         return -1;
 674     }
 675
 676     hci = hci_init(str);
 677     if (!hci)
 678         return -1;
 679
 680     bdaddr.b[0] = 0x52;
 681     bdaddr.b[1] = 0x54;
 682     bdaddr.b[2] = 0x00;
 683     bdaddr.b[3] = 0x12;
 684     bdaddr.b[4] = 0x34;
 685     bdaddr.b[5] = 0x56 + nb_hcis;
 686     hci->bdaddr_set(hci, bdaddr.b);
 687
 688     hci_table[nb_hcis++] = hci;
 689
 690     return 0;
 691 }
 692
 693 static void bt_vhci_add(int vlan_id)
 694 {
 695     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 696
 697     if (!vlan->slave)
 698         fprintf(stderr, "qemu: warning: adding a VHCI to "
 699                         "an empty scatternet %i\n", vlan_id);
 700
 701     bt_vhci_init(bt_new_hci(vlan));
 702 }
 703
 704 static struct bt_device_s *bt_device_add(const char *opt)
 705 {
 706     struct bt_scatternet_s *vlan;
 707     int vlan_id = 0;
 708     char *endp = strstr(opt, ",vlan=");
 709     int len = (endp ? endp - opt : strlen(opt)) + 1;
 710     char devname[10];
 711
 712     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 713
 714     if (endp) {
 715         vlan_id = strtol(endp + 6, &endp, 0);
 716         if (*endp) {
 717             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 718             return 0;
 719         }
 720     }
 721
 722     vlan = qemu_find_bt_vlan(vlan_id);
 723
 724     if (!vlan->slave)
 725         fprintf(stderr, "qemu: warning: adding a slave device to "
 726                         "an empty scatternet %i\n", vlan_id);
 727
 728     if (!strcmp(devname, "keyboard"))
 729         return bt_keyboard_init(vlan);
 730
 731     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 732     return 0;
 733 }
 734
 735 static int bt_parse(const char *opt)
 736 {
 737     const char *endp, *p;
 738     int vlan;
 739
 740     if (strstart(opt, "hci", &endp)) {
 741         if (!*endp || *endp == ',') {
 742             if (*endp)
 743                 if (!strstart(endp, ",vlan=", 0))
 744                     opt = endp + 1;
 745
 746             return bt_hci_parse(opt);
 747        }
 748     } else if (strstart(opt, "vhci", &endp)) {
 749         if (!*endp || *endp == ',') {
 750             if (*endp) {
 751                 if (strstart(endp, ",vlan=", &p)) {
 752                     vlan = strtol(p, (char **) &endp, 0);
 753                     if (*endp) {
 754                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 755                         return 1;
 756                     }
 757                 } else {
 758                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 759                     return 1;
 760                 }
 761             } else
 762                 vlan = 0;
 763
 764             bt_vhci_add(vlan);
 765             return 0;
 766         }
 767     } else if (strstart(opt, "device:", &endp))
 768         return !bt_device_add(endp);
 769
 770     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 771     return 1;
 772 }
 773
 774 static int parse_sandbox(QemuOpts *opts, void *opaque)
 775 {
 776     /* FIXME: change this to true for 1.3 */
 777     if (qemu_opt_get_bool(opts, "enable", false)) {
 778 #ifdef CONFIG_SECCOMP
 779         if (seccomp_start() < 0) {
 780             qerror_report(ERROR_CLASS_GENERIC_ERROR,
 781                           "failed to install seccomp syscall filter in the kernel");
 782             return -1;
 783         }
 784 #else
 785         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 786                       "sandboxing request but seccomp is not compiled into this build");
 787         return -1;
 788 #endif
 789     }
 790
 791     return 0;
 792 }
 793
 794 /*********QEMU USB setting******/
 795 bool usb_enabled(bool default_usb)
 796 {
 797     QemuOpts *mach_opts;
 798     mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 799     if (mach_opts) {
 800         return qemu_opt_get_bool(mach_opts, "usb", default_usb);
 801     }
 802     return default_usb;
 803 }
 804
 805 #ifndef _WIN32
 806 static int parse_add_fd(QemuOpts *opts, void *opaque)
 807 {
 808     int fd, dupfd, flags;
 809     int64_t fdset_id;
 810     const char *fd_opaque = NULL;
 811
 812     fd = qemu_opt_get_number(opts, "fd", -1);
 813     fdset_id = qemu_opt_get_number(opts, "set", -1);
 814     fd_opaque = qemu_opt_get(opts, "opaque");
 815
 816     if (fd < 0) {
 817         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 818                       "fd option is required and must be non-negative");
 819         return -1;
 820     }
 821
 822     if (fd <= STDERR_FILENO) {
 823         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 824                       "fd cannot be a standard I/O stream");
 825         return -1;
 826     }
 827
 828     /*
 829      * All fds inherited across exec() necessarily have FD_CLOEXEC
 830      * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
 831      */
 832     flags = fcntl(fd, F_GETFD);
 833     if (flags == -1 || (flags & FD_CLOEXEC)) {
 834         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 835                       "fd is not valid or already in use");
 836         return -1;
 837     }
 838
 839     if (fdset_id < 0) {
 840         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 841                       "set option is required and must be non-negative");
 842         return -1;
 843     }
 844
 845 #ifdef F_DUPFD_CLOEXEC
 846     dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
 847 #else
 848     dupfd = dup(fd);
 849     if (dupfd != -1) {
 850         qemu_set_cloexec(dupfd);
 851     }
 852 #endif
 853     if (dupfd == -1) {
 854         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 855                       "Error duplicating fd: %s", strerror(errno));
 856         return -1;
 857     }
 858
 859     /* add the duplicate fd, and optionally the opaque string, to the fd set */
 860     monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
 861                          fd_opaque, NULL);
 862
 863     return 0;
 864 }
 865
 866 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
 867 {
 868     int fd;
 869
 870     fd = qemu_opt_get_number(opts, "fd", -1);
 871     close(fd);
 872
 873     return 0;
 874 }
 875 #endif
 876
 877 /***********************************************************/
 878 /* QEMU Block devices */
 879
 880 #define HD_OPTS "media=disk"
 881 #define CDROM_OPTS "media=cdrom"
 882 #define FD_OPTS ""
 883 #define PFLASH_OPTS ""
 884 #define MTD_OPTS ""
 885 #define SD_OPTS ""
 886
 887 static int drive_init_func(QemuOpts *opts, void *opaque)
 888 {
 889     BlockInterfaceType *block_default_type = opaque;
 890
 891     return drive_init(opts, *block_default_type) == NULL;
 892 }
 893
 894 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 895 {
 896     if (NULL == qemu_opt_get(opts, "snapshot")) {
 897         qemu_opt_set(opts, "snapshot", "on");
 898     }
 899     return 0;
 900 }
 901
 902 static void default_drive(int enable, int snapshot,
 903                           BlockInterfaceType block_default_type,
 904                           BlockInterfaceType type, int index,
 905                           const char *optstr)
 906 {
 907     QemuOpts *opts;
 908
 909     if (type == IF_DEFAULT) {
 910         type = block_default_type;
 911     }
 912
 913     if (!enable || drive_get_by_index(type, index)) {
 914         return;
 915     }
 916
 917     opts = drive_add(type, index, NULL, optstr);
 918     if (snapshot) {
 919         drive_enable_snapshot(opts, NULL);
 920     }
 921     if (!drive_init(opts, type)) {
 922         exit(1);
 923     }
 924 }
 925
 926 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 927 {
 928     boot_set_handler = func;
 929     boot_set_opaque = opaque;
 930 }
 931
 932 int qemu_boot_set(const char *boot_devices)
 933 {
 934     if (!boot_set_handler) {
 935         return -EINVAL;
 936     }
 937     return boot_set_handler(boot_set_opaque, boot_devices);
 938 }
 939
 940 static void validate_bootdevices(char *devices)
 941 {
 942     /* We just do some generic consistency checks */
 943     const char *p;
 944     int bitmap = 0;
 945
 946     for (p = devices; *p != '\0'; p++) {
 947         /* Allowed boot devices are:
 948          * a-b: floppy disk drives
 949          * c-f: IDE disk drives
 950          * g-m: machine implementation dependent drives
 951          * n-p: network devices
 952          * It's up to each machine implementation to check if the given boot
 953          * devices match the actual hardware implementation and firmware
 954          * features.
 955          */
 956         if (*p < 'a' || *p > 'p') {
 957             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 958             exit(1);
 959         }
 960         if (bitmap & (1 << (*p - 'a'))) {
 961             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 962             exit(1);
 963         }
 964         bitmap |= 1 << (*p - 'a');
 965     }
 966 }
 967
 968 static void restore_boot_devices(void *opaque)
 969 {
 970     char *standard_boot_devices = opaque;
 971     static int first = 1;
 972
 973     /* Restore boot order and remove ourselves after the first boot */
 974     if (first) {
 975         first = 0;
 976         return;
 977     }
 978
 979     qemu_boot_set(standard_boot_devices);
 980
 981     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 982     g_free(standard_boot_devices);
 983 }
 984
 985 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 986                           const char *suffix)
 987 {
 988     FWBootEntry *node, *i;
 989
 990     if (bootindex < 0) {
 991         return;
 992     }
 993
 994     assert(dev != NULL || suffix != NULL);
 995
 996     node = g_malloc0(sizeof(FWBootEntry));
 997     node->bootindex = bootindex;
 998     node->suffix = suffix ? g_strdup(suffix) : NULL;
 999     node->dev = dev;
1000
1001     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1002         if (i->bootindex == bootindex) {
1003             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1004             exit(1);
1005         } else if (i->bootindex < bootindex) {
1006             continue;
1007         }
1008         QTAILQ_INSERT_BEFORE(i, node, link);
1009         return;
1010     }
1011     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1012 }
1013
1014 /*
1015  * This function returns null terminated string that consist of new line
1016  * separated device paths.
1017  *
1018  * memory pointed by "size" is assigned total length of the array in bytes
1019  *
1020  */
1021 char *get_boot_devices_list(uint32_t *size)
1022 {
1023     FWBootEntry *i;
1024     uint32_t total = 0;
1025     char *list = NULL;
1026
1027     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1028         char *devpath = NULL, *bootpath;
1029         int len;
1030
1031         if (i->dev) {
1032             devpath = qdev_get_fw_dev_path(i->dev);
1033             assert(devpath);
1034         }
1035
1036         if (i->suffix && devpath) {
1037             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1038
1039             bootpath = g_malloc(bootpathlen);
1040             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1041             g_free(devpath);
1042         } else if (devpath) {
1043             bootpath = devpath;
1044         } else {
1045             assert(i->suffix);
1046             bootpath = g_strdup(i->suffix);
1047         }
1048
1049         if (total) {
1050             list[total-1] = '\n';
1051         }
1052         len = strlen(bootpath) + 1;
1053         list = g_realloc(list, total + len);
1054         memcpy(&list[total], bootpath, len);
1055         total += len;
1056         g_free(bootpath);
1057     }
1058
1059     *size = total;
1060
1061     return list;
1062 }
1063
1064 static void numa_add(const char *optarg)
1065 {
1066     char option[128];
1067     char *endptr;
1068     unsigned long long value, endvalue;
1069     int nodenr;
1070
1071     value = endvalue = 0ULL;
1072
1073     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1074     if (!strcmp(option, "node")) {
1075         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1076             nodenr = nb_numa_nodes;
1077         } else {
1078             nodenr = strtoull(option, NULL, 10);
1079         }
1080
1081         if (get_param_value(option, 128, "mem", optarg) == 0) {
1082             node_mem[nodenr] = 0;
1083         } else {
1084             int64_t sval;
1085             sval = strtosz(option, &endptr);
1086             if (sval < 0 || *endptr) {
1087                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1088                 exit(1);
1089             }
1090             node_mem[nodenr] = sval;
1091         }
1092         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1093             value = strtoull(option, &endptr, 10);
1094             if (*endptr == '-') {
1095                 endvalue = strtoull(endptr+1, &endptr, 10);
1096             } else {
1097                 endvalue = value;
1098             }
1099
1100             if (!(endvalue < MAX_CPUMASK_BITS)) {
1101                 endvalue = MAX_CPUMASK_BITS - 1;
1102                 fprintf(stderr,
1103                     "A max of %d CPUs are supported in a guest\n",
1104                      MAX_CPUMASK_BITS);
1105             }
1106
1107             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1108         }
1109         nb_numa_nodes++;
1110     }
1111 }
1112
1113 static void smp_parse(const char *optarg)
1114 {
1115     int smp, sockets = 0, threads = 0, cores = 0;
1116     char *endptr;
1117     char option[128];
1118
1119     smp = strtoul(optarg, &endptr, 10);
1120     if (endptr != optarg) {
1121         if (*endptr == ',') {
1122             endptr++;
1123         }
1124     }
1125     if (get_param_value(option, 128, "sockets", endptr) != 0)
1126         sockets = strtoull(option, NULL, 10);
1127     if (get_param_value(option, 128, "cores", endptr) != 0)
1128         cores = strtoull(option, NULL, 10);
1129     if (get_param_value(option, 128, "threads", endptr) != 0)
1130         threads = strtoull(option, NULL, 10);
1131     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1132         max_cpus = strtoull(option, NULL, 10);
1133
1134     /* compute missing values, prefer sockets over cores over threads */
1135     if (smp == 0 || sockets == 0) {
1136         sockets = sockets > 0 ? sockets : 1;
1137         cores = cores > 0 ? cores : 1;
1138         threads = threads > 0 ? threads : 1;
1139         if (smp == 0) {
1140             smp = cores * threads * sockets;
1141         }
1142     } else {
1143         if (cores == 0) {
1144             threads = threads > 0 ? threads : 1;
1145             cores = smp / (sockets * threads);
1146         } else {
1147             threads = smp / (cores * sockets);
1148         }
1149     }
1150     smp_cpus = smp;
1151     smp_cores = cores > 0 ? cores : 1;
1152     smp_threads = threads > 0 ? threads : 1;
1153     if (max_cpus == 0)
1154         max_cpus = smp_cpus;
1155 }
1156
1157 /***********************************************************/
1158 /* USB devices */
1159
1160 static int usb_device_add(const char *devname)
1161 {
1162     const char *p;
1163     USBDevice *dev = NULL;
1164
1165     if (!usb_enabled(false)) {
1166         return -1;
1167     }
1168
1169     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1170     dev = usbdevice_create(devname);
1171     if (dev)
1172         goto done;
1173
1174     /* the other ones */
1175 #ifndef CONFIG_LINUX
1176     /* only the linux version is qdev-ified, usb-bsd still needs this */
1177     if (strstart(devname, "host:", &p)) {
1178         dev = usb_host_device_open(usb_bus_find(-1), p);
1179     } else
1180 #endif
1181     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1182         dev = usb_bt_init(usb_bus_find(-1),
1183                           devname[2] ? hci_init(p)
1184                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1185     } else {
1186         return -1;
1187     }
1188     if (!dev)
1189         return -1;
1190
1191 done:
1192     return 0;
1193 }
1194
1195 static int usb_device_del(const char *devname)
1196 {
1197     int bus_num, addr;
1198     const char *p;
1199
1200     if (strstart(devname, "host:", &p))
1201         return usb_host_device_close(p);
1202
1203     if (!usb_enabled(false)) {
1204         return -1;
1205     }
1206
1207     p = strchr(devname, '.');
1208     if (!p)
1209         return -1;
1210     bus_num = strtoul(devname, NULL, 0);
1211     addr = strtoul(p + 1, NULL, 0);
1212
1213     return usb_device_delete_addr(bus_num, addr);
1214 }
1215
1216 static int usb_parse(const char *cmdline)
1217 {
1218     int r;
1219     r = usb_device_add(cmdline);
1220     if (r < 0) {
1221         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1222     }
1223     return r;
1224 }
1225
1226 void do_usb_add(Monitor *mon, const QDict *qdict)
1227 {
1228     const char *devname = qdict_get_str(qdict, "devname");
1229     if (usb_device_add(devname) < 0) {
1230         error_report("could not add USB device '%s'", devname);
1231     }
1232 }
1233
1234 void do_usb_del(Monitor *mon, const QDict *qdict)
1235 {
1236     const char *devname = qdict_get_str(qdict, "devname");
1237     if (usb_device_del(devname) < 0) {
1238         error_report("could not delete USB device '%s'", devname);
1239     }
1240 }
1241
1242 /***********************************************************/
1243 /* PCMCIA/Cardbus */
1244
1245 static struct pcmcia_socket_entry_s {
1246     PCMCIASocket *socket;
1247     struct pcmcia_socket_entry_s *next;
1248 } *pcmcia_sockets = 0;
1249
1250 void pcmcia_socket_register(PCMCIASocket *socket)
1251 {
1252     struct pcmcia_socket_entry_s *entry;
1253
1254     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1255     entry->socket = socket;
1256     entry->next = pcmcia_sockets;
1257     pcmcia_sockets = entry;
1258 }
1259
1260 void pcmcia_socket_unregister(PCMCIASocket *socket)
1261 {
1262     struct pcmcia_socket_entry_s *entry, **ptr;
1263
1264     ptr = &pcmcia_sockets;
1265     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1266         if (entry->socket == socket) {
1267             *ptr = entry->next;
1268             g_free(entry);
1269         }
1270 }
1271
1272 void pcmcia_info(Monitor *mon)
1273 {
1274     struct pcmcia_socket_entry_s *iter;
1275
1276     if (!pcmcia_sockets)
1277         monitor_printf(mon, "No PCMCIA sockets\n");
1278
1279     for (iter = pcmcia_sockets; iter; iter = iter->next)
1280         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1281                        iter->socket->attached ? iter->socket->card_string :
1282                        "Empty");
1283 }
1284
1285 /***********************************************************/
1286 /* machine registration */
1287
1288 static QEMUMachine *first_machine = NULL;
1289 QEMUMachine *current_machine = NULL;
1290
1291 int qemu_register_machine(QEMUMachine *m)
1292 {
1293     QEMUMachine **pm;
1294     pm = &first_machine;
1295     while (*pm != NULL)
1296         pm = &(*pm)->next;
1297     m->next = NULL;
1298     *pm = m;
1299     return 0;
1300 }
1301
1302 static QEMUMachine *find_machine(const char *name)
1303 {
1304     QEMUMachine *m;
1305
1306     for(m = first_machine; m != NULL; m = m->next) {
1307         if (!strcmp(m->name, name))
1308             return m;
1309         if (m->alias && !strcmp(m->alias, name))
1310             return m;
1311     }
1312     return NULL;
1313 }
1314
1315 QEMUMachine *find_default_machine(void)
1316 {
1317     QEMUMachine *m;
1318
1319     for(m = first_machine; m != NULL; m = m->next) {
1320         if (m->is_default) {
1321             return m;
1322         }
1323     }
1324     return NULL;
1325 }
1326
1327 MachineInfoList *qmp_query_machines(Error **errp)
1328 {
1329     MachineInfoList *mach_list = NULL;
1330     QEMUMachine *m;
1331
1332     for (m = first_machine; m; m = m->next) {
1333         MachineInfoList *entry;
1334         MachineInfo *info;
1335
1336         info = g_malloc0(sizeof(*info));
1337         if (m->is_default) {
1338             info->has_is_default = true;
1339             info->is_default = true;
1340         }
1341
1342         if (m->alias) {
1343             info->has_alias = true;
1344             info->alias = g_strdup(m->alias);
1345         }
1346
1347         info->name = g_strdup(m->name);
1348
1349         entry = g_malloc0(sizeof(*entry));
1350         entry->value = info;
1351         entry->next = mach_list;
1352         mach_list = entry;
1353     }
1354
1355     return mach_list;
1356 }
1357
1358 /***********************************************************/
1359 /* main execution loop */
1360
1361 static void gui_update(void *opaque)
1362 {
1363     uint64_t interval = GUI_REFRESH_INTERVAL;
1364     DisplayState *ds = opaque;
1365     DisplayChangeListener *dcl;
1366
1367     dpy_refresh(ds);
1368
1369     QLIST_FOREACH(dcl, &ds->listeners, next) {
1370         if (dcl->gui_timer_interval &&
1371             dcl->gui_timer_interval < interval)
1372             interval = dcl->gui_timer_interval;
1373     }
1374     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1375 }
1376
1377 void gui_setup_refresh(DisplayState *ds)
1378 {
1379     DisplayChangeListener *dcl;
1380     bool need_timer = false;
1381     bool have_gfx = false;
1382     bool have_text = false;
1383
1384     QLIST_FOREACH(dcl, &ds->listeners, next) {
1385         if (dcl->dpy_refresh != NULL) {
1386             need_timer = true;
1387         }
1388         if (dcl->dpy_gfx_update != NULL) {
1389             have_gfx = true;
1390         }
1391         if (dcl->dpy_text_update != NULL) {
1392             have_text = true;
1393         }
1394     }
1395
1396     if (need_timer && ds->gui_timer == NULL) {
1397         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1398         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1399     }
1400     if (!need_timer && ds->gui_timer != NULL) {
1401         qemu_del_timer(ds->gui_timer);
1402         qemu_free_timer(ds->gui_timer);
1403         ds->gui_timer = NULL;
1404     }
1405
1406     ds->have_gfx = have_gfx;
1407     ds->have_text = have_text;
1408 }
1409
1410 struct vm_change_state_entry {
1411     VMChangeStateHandler *cb;
1412     void *opaque;
1413     QLIST_ENTRY (vm_change_state_entry) entries;
1414 };
1415
1416 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1417
1418 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1419                                                      void *opaque)
1420 {
1421     VMChangeStateEntry *e;
1422
1423     e = g_malloc0(sizeof (*e));
1424
1425     e->cb = cb;
1426     e->opaque = opaque;
1427     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1428     return e;
1429 }
1430
1431 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1432 {
1433     QLIST_REMOVE (e, entries);
1434     g_free (e);
1435 }
1436
1437 void vm_state_notify(int running, RunState state)
1438 {
1439     VMChangeStateEntry *e;
1440
1441     trace_vm_state_notify(running, state);
1442
1443     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1444         e->cb(e->opaque, running, state);
1445     }
1446 }
1447
1448 void vm_start(void)
1449 {
1450     if (!runstate_is_running()) {
1451         cpu_enable_ticks();
1452         runstate_set(RUN_STATE_RUNNING);
1453         vm_state_notify(1, RUN_STATE_RUNNING);
1454         resume_all_vcpus();
1455         monitor_protocol_event(QEVENT_RESUME, NULL);
1456     }
1457 }
1458
1459 /* reset/shutdown handler */
1460
1461 typedef struct QEMUResetEntry {
1462     QTAILQ_ENTRY(QEMUResetEntry) entry;
1463     QEMUResetHandler *func;
1464     void *opaque;
1465 } QEMUResetEntry;
1466
1467 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1468     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1469 static int reset_requested;
1470 static int shutdown_requested, shutdown_signal = -1;
1471 static pid_t shutdown_pid;
1472 static int powerdown_requested;
1473 static int debug_requested;
1474 static int suspend_requested;
1475 static int wakeup_requested;
1476 static NotifierList powerdown_notifiers =
1477     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1478 static NotifierList suspend_notifiers =
1479     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1480 static NotifierList wakeup_notifiers =
1481     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1482 static uint32_t wakeup_reason_mask = ~0;
1483 static RunState vmstop_requested = RUN_STATE_MAX;
1484
1485 int qemu_shutdown_requested_get(void)
1486 {
1487     return shutdown_requested;
1488 }
1489
1490 int qemu_reset_requested_get(void)
1491 {
1492     return reset_requested;
1493 }
1494
1495 static int qemu_shutdown_requested(void)
1496 {
1497     int r = shutdown_requested;
1498     shutdown_requested = 0;
1499     return r;
1500 }
1501
1502 static void qemu_kill_report(void)
1503 {
1504     if (!qtest_enabled() && shutdown_signal != -1) {
1505         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1506         if (shutdown_pid == 0) {
1507             /* This happens for eg ^C at the terminal, so it's worth
1508              * avoiding printing an odd message in that case.
1509              */
1510             fputc('\n', stderr);
1511         } else {
1512             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1513         }
1514         shutdown_signal = -1;
1515     }
1516 }
1517
1518 static int qemu_reset_requested(void)
1519 {
1520     int r = reset_requested;
1521     reset_requested = 0;
1522     return r;
1523 }
1524
1525 static int qemu_suspend_requested(void)
1526 {
1527     int r = suspend_requested;
1528     suspend_requested = 0;
1529     return r;
1530 }
1531
1532 static int qemu_wakeup_requested(void)
1533 {
1534     int r = wakeup_requested;
1535     wakeup_requested = 0;
1536     return r;
1537 }
1538
1539 static int qemu_powerdown_requested(void)
1540 {
1541     int r = powerdown_requested;
1542     powerdown_requested = 0;
1543     return r;
1544 }
1545
1546 static int qemu_debug_requested(void)
1547 {
1548     int r = debug_requested;
1549     debug_requested = 0;
1550     return r;
1551 }
1552
1553 /* We use RUN_STATE_MAX but any invalid value will do */
1554 static bool qemu_vmstop_requested(RunState *r)
1555 {
1556     if (vmstop_requested < RUN_STATE_MAX) {
1557         *r = vmstop_requested;
1558         vmstop_requested = RUN_STATE_MAX;
1559         return true;
1560     }
1561
1562     return false;
1563 }
1564
1565 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1566 {
1567     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1568
1569     re->func = func;
1570     re->opaque = opaque;
1571     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1572 }
1573
1574 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1575 {
1576     QEMUResetEntry *re;
1577
1578     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1579         if (re->func == func && re->opaque == opaque) {
1580             QTAILQ_REMOVE(&reset_handlers, re, entry);
1581             g_free(re);
1582             return;
1583         }
1584     }
1585 }
1586
1587 void qemu_devices_reset(void)
1588 {
1589     QEMUResetEntry *re, *nre;
1590
1591     /* reset all devices */
1592     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1593         re->func(re->opaque);
1594     }
1595 }
1596
1597 void qemu_system_reset(bool report)
1598 {
1599     if (current_machine && current_machine->reset) {
1600         current_machine->reset();
1601     } else {
1602         qemu_devices_reset();
1603     }
1604     if (report) {
1605         monitor_protocol_event(QEVENT_RESET, NULL);
1606     }
1607     cpu_synchronize_all_post_reset();
1608 }
1609
1610 void qemu_system_reset_request(void)
1611 {
1612     if (no_reboot) {
1613         shutdown_requested = 1;
1614     } else {
1615         reset_requested = 1;
1616     }
1617     cpu_stop_current();
1618     qemu_notify_event();
1619 }
1620
1621 static void qemu_system_suspend(void)
1622 {
1623     pause_all_vcpus();
1624     notifier_list_notify(&suspend_notifiers, NULL);
1625     runstate_set(RUN_STATE_SUSPENDED);
1626     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1627 }
1628
1629 void qemu_system_suspend_request(void)
1630 {
1631     if (runstate_check(RUN_STATE_SUSPENDED)) {
1632         return;
1633     }
1634     suspend_requested = 1;
1635     cpu_stop_current();
1636     qemu_notify_event();
1637 }
1638
1639 void qemu_register_suspend_notifier(Notifier *notifier)
1640 {
1641     notifier_list_add(&suspend_notifiers, notifier);
1642 }
1643
1644 void qemu_system_wakeup_request(WakeupReason reason)
1645 {
1646     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1647         return;
1648     }
1649     if (!(wakeup_reason_mask & (1 << reason))) {
1650         return;
1651     }
1652     runstate_set(RUN_STATE_RUNNING);
1653     notifier_list_notify(&wakeup_notifiers, &reason);
1654     wakeup_requested = 1;
1655     qemu_notify_event();
1656 }
1657
1658 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1659 {
1660     if (enabled) {
1661         wakeup_reason_mask |= (1 << reason);
1662     } else {
1663         wakeup_reason_mask &= ~(1 << reason);
1664     }
1665 }
1666
1667 void qemu_register_wakeup_notifier(Notifier *notifier)
1668 {
1669     notifier_list_add(&wakeup_notifiers, notifier);
1670 }
1671
1672 void qemu_system_killed(int signal, pid_t pid)
1673 {
1674     shutdown_signal = signal;
1675     shutdown_pid = pid;
1676     no_shutdown = 0;
1677     qemu_system_shutdown_request();
1678 }
1679
1680 void qemu_system_shutdown_request(void)
1681 {
1682     shutdown_requested = 1;
1683     qemu_notify_event();
1684 }
1685
1686 static void qemu_system_powerdown(void)
1687 {
1688     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1689     notifier_list_notify(&powerdown_notifiers, NULL);
1690 }
1691
1692 void qemu_system_powerdown_request(void)
1693 {
1694     powerdown_requested = 1;
1695     qemu_notify_event();
1696 }
1697
1698 void qemu_register_powerdown_notifier(Notifier *notifier)
1699 {
1700     notifier_list_add(&powerdown_notifiers, notifier);
1701 }
1702
1703 void qemu_system_debug_request(void)
1704 {
1705     debug_requested = 1;
1706     qemu_notify_event();
1707 }
1708
1709 void qemu_system_vmstop_request(RunState state)
1710 {
1711     vmstop_requested = state;
1712     qemu_notify_event();
1713 }
1714
1715 static bool main_loop_should_exit(void)
1716 {
1717     RunState r;
1718     if (qemu_debug_requested()) {
1719         vm_stop(RUN_STATE_DEBUG);
1720     }
1721     if (qemu_suspend_requested()) {
1722         qemu_system_suspend();
1723     }
1724     if (qemu_shutdown_requested()) {
1725         qemu_kill_report();
1726         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1727         if (no_shutdown) {
1728             vm_stop(RUN_STATE_SHUTDOWN);
1729         } else {
1730             return true;
1731         }
1732     }
1733     if (qemu_reset_requested()) {
1734         pause_all_vcpus();
1735         cpu_synchronize_all_states();
1736         qemu_system_reset(VMRESET_REPORT);
1737         resume_all_vcpus();
1738         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1739             runstate_check(RUN_STATE_SHUTDOWN)) {
1740             runstate_set(RUN_STATE_PAUSED);
1741         }
1742     }
1743     if (qemu_wakeup_requested()) {
1744         pause_all_vcpus();
1745         cpu_synchronize_all_states();
1746         qemu_system_reset(VMRESET_SILENT);
1747         resume_all_vcpus();
1748         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1749     }
1750     if (qemu_powerdown_requested()) {
1751         qemu_system_powerdown();
1752     }
1753     if (qemu_vmstop_requested(&r)) {
1754         vm_stop(r);
1755     }
1756     return false;
1757 }
1758
1759 static void main_loop(void)
1760 {
1761     bool nonblocking;
1762     int last_io = 0;
1763 #ifdef CONFIG_PROFILER
1764     int64_t ti;
1765 #endif
1766     do {
1767         nonblocking = !kvm_enabled() && last_io > 0;
1768 #ifdef CONFIG_PROFILER
1769         ti = profile_getclock();
1770 #endif
1771         last_io = main_loop_wait(nonblocking);
1772 #ifdef CONFIG_PROFILER
1773         dev_time += profile_getclock() - ti;
1774 #endif
1775     } while (!main_loop_should_exit());
1776 }
1777
1778 static void version(void)
1779 {
1780     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1781 }
1782
1783 static void help(int exitcode)
1784 {
1785     version();
1786     printf("usage: %s [options] [disk_image]\n\n"
1787            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1788             error_get_progname());
1789
1790 #define QEMU_OPTIONS_GENERATE_HELP
1791 #include "qemu-options-wrapper.h"
1792
1793     printf("\nDuring emulation, the following keys are useful:\n"
1794            "ctrl-alt-f      toggle full screen\n"
1795            "ctrl-alt-n      switch to virtual console 'n'\n"
1796            "ctrl-alt        toggle mouse and keyboard grab\n"
1797            "\n"
1798            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1799
1800     exit(exitcode);
1801 }
1802
1803 #define HAS_ARG 0x0001
1804
1805 typedef struct QEMUOption {
1806     const char *name;
1807     int flags;
1808     int index;
1809     uint32_t arch_mask;
1810 } QEMUOption;
1811
1812 static const QEMUOption qemu_options[] = {
1813     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1814 #define QEMU_OPTIONS_GENERATE_OPTIONS
1815 #include "qemu-options-wrapper.h"
1816     { NULL },
1817 };
1818
1819 static bool vga_available(void)
1820 {
1821     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1822 }
1823
1824 static bool cirrus_vga_available(void)
1825 {
1826     return object_class_by_name("cirrus-vga")
1827            || object_class_by_name("isa-cirrus-vga");
1828 }
1829
1830 static bool vmware_vga_available(void)
1831 {
1832     return object_class_by_name("vmware-svga");
1833 }
1834
1835 static bool qxl_vga_available(void)
1836 {
1837     return object_class_by_name("qxl-vga");
1838 }
1839
1840 static void select_vgahw (const char *p)
1841 {
1842     const char *opts;
1843
1844     vga_interface_type = VGA_NONE;
1845     if (strstart(p, "std", &opts)) {
1846         if (vga_available()) {
1847             vga_interface_type = VGA_STD;
1848         } else {
1849             fprintf(stderr, "Error: standard VGA not available\n");
1850             exit(0);
1851         }
1852     } else if (strstart(p, "cirrus", &opts)) {
1853         if (cirrus_vga_available()) {
1854             vga_interface_type = VGA_CIRRUS;
1855         } else {
1856             fprintf(stderr, "Error: Cirrus VGA not available\n");
1857             exit(0);
1858         }
1859     } else if (strstart(p, "vmware", &opts)) {
1860         if (vmware_vga_available()) {
1861             vga_interface_type = VGA_VMWARE;
1862         } else {
1863             fprintf(stderr, "Error: VMWare SVGA not available\n");
1864             exit(0);
1865         }
1866     } else if (strstart(p, "xenfb", &opts)) {
1867         vga_interface_type = VGA_XENFB;
1868     } else if (strstart(p, "qxl", &opts)) {
1869         if (qxl_vga_available()) {
1870             vga_interface_type = VGA_QXL;
1871         } else {
1872             fprintf(stderr, "Error: QXL VGA not available\n");
1873             exit(0);
1874         }
1875     } else if (!strstart(p, "none", &opts)) {
1876     invalid_vga:
1877         fprintf(stderr, "Unknown vga type: %s\n", p);
1878         exit(1);
1879     }
1880     while (*opts) {
1881         const char *nextopt;
1882
1883         if (strstart(opts, ",retrace=", &nextopt)) {
1884             opts = nextopt;
1885             if (strstart(opts, "dumb", &nextopt))
1886                 vga_retrace_method = VGA_RETRACE_DUMB;
1887             else if (strstart(opts, "precise", &nextopt))
1888                 vga_retrace_method = VGA_RETRACE_PRECISE;
1889             else goto invalid_vga;
1890         } else goto invalid_vga;
1891         opts = nextopt;
1892     }
1893 }
1894
1895 static DisplayType select_display(const char *p)
1896 {
1897     const char *opts;
1898     DisplayType display = DT_DEFAULT;
1899
1900     if (strstart(p, "sdl", &opts)) {
1901 #ifdef CONFIG_SDL
1902         display = DT_SDL;
1903         while (*opts) {
1904             const char *nextopt;
1905
1906             if (strstart(opts, ",frame=", &nextopt)) {
1907                 opts = nextopt;
1908                 if (strstart(opts, "on", &nextopt)) {
1909                     no_frame = 0;
1910                 } else if (strstart(opts, "off", &nextopt)) {
1911                     no_frame = 1;
1912                 } else {
1913                     goto invalid_sdl_args;
1914                 }
1915             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1916                 opts = nextopt;
1917                 if (strstart(opts, "on", &nextopt)) {
1918                     alt_grab = 1;
1919                 } else if (strstart(opts, "off", &nextopt)) {
1920                     alt_grab = 0;
1921                 } else {
1922                     goto invalid_sdl_args;
1923                 }
1924             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1925                 opts = nextopt;
1926                 if (strstart(opts, "on", &nextopt)) {
1927                     ctrl_grab = 1;
1928                 } else if (strstart(opts, "off", &nextopt)) {
1929                     ctrl_grab = 0;
1930                 } else {
1931                     goto invalid_sdl_args;
1932                 }
1933             } else if (strstart(opts, ",window_close=", &nextopt)) {
1934                 opts = nextopt;
1935                 if (strstart(opts, "on", &nextopt)) {
1936                     no_quit = 0;
1937                 } else if (strstart(opts, "off", &nextopt)) {
1938                     no_quit = 1;
1939                 } else {
1940                     goto invalid_sdl_args;
1941                 }
1942             } else {
1943             invalid_sdl_args:
1944                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1945                 exit(1);
1946             }
1947             opts = nextopt;
1948         }
1949 #else
1950         fprintf(stderr, "SDL support is disabled\n");
1951         exit(1);
1952 #endif
1953     } else if (strstart(p, "vnc", &opts)) {
1954 #ifdef CONFIG_VNC
1955         display_remote++;
1956
1957         if (*opts) {
1958             const char *nextopt;
1959
1960             if (strstart(opts, "=", &nextopt)) {
1961                 vnc_display = nextopt;
1962             }
1963         }
1964         if (!vnc_display) {
1965             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1966             exit(1);
1967         }
1968 #else
1969         fprintf(stderr, "VNC support is disabled\n");
1970         exit(1);
1971 #endif
1972     } else if (strstart(p, "curses", &opts)) {
1973 #ifdef CONFIG_CURSES
1974         display = DT_CURSES;
1975 #else
1976         fprintf(stderr, "Curses support is disabled\n");
1977         exit(1);
1978 #endif
1979     } else if (strstart(p, "none", &opts)) {
1980         display = DT_NONE;
1981     } else {
1982         fprintf(stderr, "Unknown display type: %s\n", p);
1983         exit(1);
1984     }
1985
1986     return display;
1987 }
1988
1989 static int balloon_parse(const char *arg)
1990 {
1991     QemuOpts *opts;
1992
1993     if (strcmp(arg, "none") == 0) {
1994         return 0;
1995     }
1996
1997     if (!strncmp(arg, "virtio", 6)) {
1998         if (arg[6] == ',') {
1999             /* have params -> parse them */
2000             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2001             if (!opts)
2002                 return  -1;
2003         } else {
2004             /* create empty opts */
2005             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
2006         }
2007         qemu_opt_set(opts, "driver", "virtio-balloon");
2008         return 0;
2009     }
2010
2011     return -1;
2012 }
2013
2014 char *qemu_find_file(int type, const char *name)
2015 {
2016     int len;
2017     const char *subdir;
2018     char *buf;
2019
2020     /* Try the name as a straight path first */
2021     if (access(name, R_OK) == 0) {
2022         return g_strdup(name);
2023     }
2024     switch (type) {
2025     case QEMU_FILE_TYPE_BIOS:
2026         subdir = "";
2027         break;
2028     case QEMU_FILE_TYPE_KEYMAP:
2029         subdir = "keymaps/";
2030         break;
2031     default:
2032         abort();
2033     }
2034     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2035     buf = g_malloc0(len);
2036     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2037     if (access(buf, R_OK)) {
2038         g_free(buf);
2039         return NULL;
2040     }
2041     return buf;
2042 }
2043
2044 static int device_help_func(QemuOpts *opts, void *opaque)
2045 {
2046     return qdev_device_help(opts);
2047 }
2048
2049 static int device_init_func(QemuOpts *opts, void *opaque)
2050 {
2051     DeviceState *dev;
2052
2053     dev = qdev_device_add(opts);
2054     if (!dev)
2055         return -1;
2056     return 0;
2057 }
2058
2059 static int chardev_init_func(QemuOpts *opts, void *opaque)
2060 {
2061     CharDriverState *chr;
2062
2063     chr = qemu_chr_new_from_opts(opts, NULL);
2064     if (!chr)
2065         return -1;
2066     return 0;
2067 }
2068
2069 #ifdef CONFIG_VIRTFS
2070 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2071 {
2072     int ret;
2073     ret = qemu_fsdev_add(opts);
2074
2075     return ret;
2076 }
2077 #endif
2078
2079 static int mon_init_func(QemuOpts *opts, void *opaque)
2080 {
2081     CharDriverState *chr;
2082     const char *chardev;
2083     const char *mode;
2084     int flags;
2085
2086     mode = qemu_opt_get(opts, "mode");
2087     if (mode == NULL) {
2088         mode = "readline";
2089     }
2090     if (strcmp(mode, "readline") == 0) {
2091         flags = MONITOR_USE_READLINE;
2092     } else if (strcmp(mode, "control") == 0) {
2093         flags = MONITOR_USE_CONTROL;
2094     } else {
2095         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2096         exit(1);
2097     }
2098
2099     if (qemu_opt_get_bool(opts, "pretty", 0))
2100         flags |= MONITOR_USE_PRETTY;
2101
2102     if (qemu_opt_get_bool(opts, "default", 0))
2103         flags |= MONITOR_IS_DEFAULT;
2104
2105     chardev = qemu_opt_get(opts, "chardev");
2106     chr = qemu_chr_find(chardev);
2107     if (chr == NULL) {
2108         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2109         exit(1);
2110     }
2111
2112     monitor_init(chr, flags);
2113     return 0;
2114 }
2115
2116 static void monitor_parse(const char *optarg, const char *mode)
2117 {
2118     static int monitor_device_index = 0;
2119     QemuOpts *opts;
2120     const char *p;
2121     char label[32];
2122     int def = 0;
2123
2124     if (strstart(optarg, "chardev:", &p)) {
2125         snprintf(label, sizeof(label), "%s", p);
2126     } else {
2127         snprintf(label, sizeof(label), "compat_monitor%d",
2128                  monitor_device_index);
2129         if (monitor_device_index == 0) {
2130             def = 1;
2131         }
2132         opts = qemu_chr_parse_compat(label, optarg);
2133         if (!opts) {
2134             fprintf(stderr, "parse error: %s\n", optarg);
2135             exit(1);
2136         }
2137     }
2138
2139     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2140     if (!opts) {
2141         fprintf(stderr, "duplicate chardev: %s\n", label);
2142         exit(1);
2143     }
2144     qemu_opt_set(opts, "mode", mode);
2145     qemu_opt_set(opts, "chardev", label);
2146     if (def)
2147         qemu_opt_set(opts, "default", "on");
2148     monitor_device_index++;
2149 }
2150
2151 struct device_config {
2152     enum {
2153         DEV_USB,       /* -usbdevice     */
2154         DEV_BT,        /* -bt            */
2155         DEV_SERIAL,    /* -serial        */
2156         DEV_PARALLEL,  /* -parallel      */
2157         DEV_VIRTCON,   /* -virtioconsole */
2158         DEV_DEBUGCON,  /* -debugcon */
2159         DEV_GDB,       /* -gdb, -s */
2160     } type;
2161     const char *cmdline;
2162     Location loc;
2163     QTAILQ_ENTRY(device_config) next;
2164 };
2165
2166 static QTAILQ_HEAD(, device_config) device_configs =
2167     QTAILQ_HEAD_INITIALIZER(device_configs);
2168
2169 static void add_device_config(int type, const char *cmdline)
2170 {
2171     struct device_config *conf;
2172
2173     conf = g_malloc0(sizeof(*conf));
2174     conf->type = type;
2175     conf->cmdline = cmdline;
2176     loc_save(&conf->loc);
2177     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2178 }
2179
2180 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2181 {
2182     struct device_config *conf;
2183     int rc;
2184
2185     QTAILQ_FOREACH(conf, &device_configs, next) {
2186         if (conf->type != type)
2187             continue;
2188         loc_push_restore(&conf->loc);
2189         rc = func(conf->cmdline);
2190         loc_pop(&conf->loc);
2191         if (0 != rc)
2192             return rc;
2193     }
2194     return 0;
2195 }
2196
2197 static int serial_parse(const char *devname)
2198 {
2199     static int index = 0;
2200     char label[32];
2201
2202     if (strcmp(devname, "none") == 0)
2203         return 0;
2204     if (index == MAX_SERIAL_PORTS) {
2205         fprintf(stderr, "qemu: too many serial ports\n");
2206         exit(1);
2207     }
2208     snprintf(label, sizeof(label), "serial%d", index);
2209     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2210     if (!serial_hds[index]) {
2211         fprintf(stderr, "qemu: could not connect serial device"
2212                 " to character backend '%s'\n", devname);
2213         return -1;
2214     }
2215     index++;
2216     return 0;
2217 }
2218
2219 static int parallel_parse(const char *devname)
2220 {
2221     static int index = 0;
2222     char label[32];
2223
2224     if (strcmp(devname, "none") == 0)
2225         return 0;
2226     if (index == MAX_PARALLEL_PORTS) {
2227         fprintf(stderr, "qemu: too many parallel ports\n");
2228         exit(1);
2229     }
2230     snprintf(label, sizeof(label), "parallel%d", index);
2231     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2232     if (!parallel_hds[index]) {
2233         fprintf(stderr, "qemu: could not connect parallel device"
2234                 " to character backend '%s'\n", devname);
2235         return -1;
2236     }
2237     index++;
2238     return 0;
2239 }
2240
2241 static int virtcon_parse(const char *devname)
2242 {
2243     QemuOptsList *device = qemu_find_opts("device");
2244     static int index = 0;
2245     char label[32];
2246     QemuOpts *bus_opts, *dev_opts;
2247
2248     if (strcmp(devname, "none") == 0)
2249         return 0;
2250     if (index == MAX_VIRTIO_CONSOLES) {
2251         fprintf(stderr, "qemu: too many virtio consoles\n");
2252         exit(1);
2253     }
2254
2255     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2256     if (arch_type == QEMU_ARCH_S390X) {
2257         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2258     } else {
2259         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2260     }
2261
2262     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2263     qemu_opt_set(dev_opts, "driver", "virtconsole");
2264
2265     snprintf(label, sizeof(label), "virtcon%d", index);
2266     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2267     if (!virtcon_hds[index]) {
2268         fprintf(stderr, "qemu: could not connect virtio console"
2269                 " to character backend '%s'\n", devname);
2270         return -1;
2271     }
2272     qemu_opt_set(dev_opts, "chardev", label);
2273
2274     index++;
2275     return 0;
2276 }
2277
2278 static int debugcon_parse(const char *devname)
2279 {
2280     QemuOpts *opts;
2281
2282     if (!qemu_chr_new("debugcon", devname, NULL)) {
2283         exit(1);
2284     }
2285     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2286     if (!opts) {
2287         fprintf(stderr, "qemu: already have a debugcon device\n");
2288         exit(1);
2289     }
2290     qemu_opt_set(opts, "driver", "isa-debugcon");
2291     qemu_opt_set(opts, "chardev", "debugcon");
2292     return 0;
2293 }
2294
2295 static QEMUMachine *machine_parse(const char *name)
2296 {
2297     QEMUMachine *m, *machine = NULL;
2298
2299     if (name) {
2300         machine = find_machine(name);
2301     }
2302     if (machine) {
2303         return machine;
2304     }
2305     printf("Supported machines are:\n");
2306     for (m = first_machine; m != NULL; m = m->next) {
2307         if (m->alias) {
2308             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2309         }
2310         printf("%-20s %s%s\n", m->name, m->desc,
2311                m->is_default ? " (default)" : "");
2312     }
2313     exit(!name || !is_help_option(name));
2314 }
2315
2316 static int tcg_init(void)
2317 {
2318     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2319     return 0;
2320 }
2321
2322 static struct {
2323     const char *opt_name;
2324     const char *name;
2325     int (*available)(void);
2326     int (*init)(void);
2327     int *allowed;
2328 } accel_list[] = {
2329     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2330     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2331     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2332     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2333 };
2334
2335 static int configure_accelerator(void)
2336 {
2337     const char *p = NULL;
2338     char buf[10];
2339     int i, ret;
2340     bool accel_initialised = 0;
2341     bool init_failed = 0;
2342
2343     QemuOptsList *list = qemu_find_opts("machine");
2344     if (!QTAILQ_EMPTY(&list->head)) {
2345         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2346     }
2347
2348     if (p == NULL) {
2349         /* Use the default "accelerator", tcg */
2350         p = "tcg";
2351     }
2352
2353     while (!accel_initialised && *p != '\0') {
2354         if (*p == ':') {
2355             p++;
2356         }
2357         p = get_opt_name(buf, sizeof (buf), p, ':');
2358         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2359             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2360                 *(accel_list[i].allowed) = 1;
2361                 ret = accel_list[i].init();
2362                 if (ret < 0) {
2363                     init_failed = 1;
2364                     if (!accel_list[i].available()) {
2365                         printf("%s not supported for this target\n",
2366                                accel_list[i].name);
2367                     } else {
2368                         fprintf(stderr, "failed to initialize %s: %s\n",
2369                                 accel_list[i].name,
2370                                 strerror(-ret));
2371                     }
2372                     *(accel_list[i].allowed) = 0;
2373                 } else {
2374                     accel_initialised = 1;
2375                 }
2376                 break;
2377             }
2378         }
2379         if (i == ARRAY_SIZE(accel_list)) {
2380             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2381         }
2382     }
2383
2384     if (!accel_initialised) {
2385         fprintf(stderr, "No accelerator found!\n");
2386         exit(1);
2387     }
2388
2389     if (init_failed) {
2390         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2391     }
2392
2393     return !accel_initialised;
2394 }
2395
2396 void qemu_add_exit_notifier(Notifier *notify)
2397 {
2398     notifier_list_add(&exit_notifiers, notify);
2399 }
2400
2401 void qemu_remove_exit_notifier(Notifier *notify)
2402 {
2403     notifier_remove(notify);
2404 }
2405
2406 static void qemu_run_exit_notifiers(void)
2407 {
2408     notifier_list_notify(&exit_notifiers, NULL);
2409 }
2410
2411 void qemu_add_machine_init_done_notifier(Notifier *notify)
2412 {
2413     notifier_list_add(&machine_init_done_notifiers, notify);
2414 }
2415
2416 static void qemu_run_machine_init_done_notifiers(void)
2417 {
2418     notifier_list_notify(&machine_init_done_notifiers, NULL);
2419 }
2420
2421 static const QEMUOption *lookup_opt(int argc, char **argv,
2422                                     const char **poptarg, int *poptind)
2423 {
2424     const QEMUOption *popt;
2425     int optind = *poptind;
2426     char *r = argv[optind];
2427     const char *optarg;
2428
2429     loc_set_cmdline(argv, optind, 1);
2430     optind++;
2431     /* Treat --foo the same as -foo.  */
2432     if (r[1] == '-')
2433         r++;
2434     popt = qemu_options;
2435     for(;;) {
2436         if (!popt->name) {
2437             error_report("invalid option");
2438             exit(1);
2439         }
2440         if (!strcmp(popt->name, r + 1))
2441             break;
2442         popt++;
2443     }
2444     if (popt->flags & HAS_ARG) {
2445         if (optind >= argc) {
2446             error_report("requires an argument");
2447             exit(1);
2448         }
2449         optarg = argv[optind++];
2450         loc_set_cmdline(argv, optind - 2, 2);
2451     } else {
2452         optarg = NULL;
2453     }
2454
2455     *poptarg = optarg;
2456     *poptind = optind;
2457
2458     return popt;
2459 }
2460
2461 static gpointer malloc_and_trace(gsize n_bytes)
2462 {
2463     void *ptr = malloc(n_bytes);
2464     trace_g_malloc(n_bytes, ptr);
2465     return ptr;
2466 }
2467
2468 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2469 {
2470     void *ptr = realloc(mem, n_bytes);
2471     trace_g_realloc(mem, n_bytes, ptr);
2472     return ptr;
2473 }
2474
2475 static void free_and_trace(gpointer mem)
2476 {
2477     trace_g_free(mem);
2478     free(mem);
2479 }
2480
2481 static int object_set_property(const char *name, const char *value, void *opaque)
2482 {
2483     Object *obj = OBJECT(opaque);
2484     StringInputVisitor *siv;
2485     Error *local_err = NULL;
2486
2487     if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2488         return 0;
2489     }
2490
2491     siv = string_input_visitor_new(value);
2492     object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2493     string_input_visitor_cleanup(siv);
2494
2495     if (local_err) {
2496         qerror_report_err(local_err);
2497         error_free(local_err);
2498         return -1;
2499     }
2500
2501     return 0;
2502 }
2503
2504 static int object_create(QemuOpts *opts, void *opaque)
2505 {
2506     const char *type = qemu_opt_get(opts, "qom-type");
2507     const char *id = qemu_opts_id(opts);
2508     Object *obj;
2509
2510     g_assert(type != NULL);
2511
2512     if (id == NULL) {
2513         qerror_report(QERR_MISSING_PARAMETER, "id");
2514         return -1;
2515     }
2516
2517     obj = object_new(type);
2518     if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2519         return -1;
2520     }
2521
2522     object_property_add_child(container_get(object_get_root(), "/objects"),
2523                               id, obj, NULL);
2524
2525     return 0;
2526 }
2527
2528 int main(int argc, char **argv, char **envp)
2529 {
2530     int i;
2531     int snapshot, linux_boot;
2532     const char *icount_option = NULL;
2533     const char *initrd_filename;
2534     const char *kernel_filename, *kernel_cmdline;
2535     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2536     DisplayState *ds;
2537     int cyls, heads, secs, translation;
2538     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2539     QemuOptsList *olist;
2540     int optind;
2541     const char *optarg;
2542     const char *loadvm = NULL;
2543     QEMUMachine *machine;
2544     const char *cpu_model;
2545     const char *vga_model = "none";
2546     const char *pid_file = NULL;
2547     const char *incoming = NULL;
2548 #ifdef CONFIG_VNC
2549     int show_vnc_port = 0;
2550 #endif
2551     bool defconfig = true;
2552     bool userconfig = true;
2553     const char *log_mask = NULL;
2554     const char *log_file = NULL;
2555     GMemVTable mem_trace = {
2556         .malloc = malloc_and_trace,
2557         .realloc = realloc_and_trace,
2558         .free = free_and_trace,
2559     };
2560     const char *trace_events = NULL;
2561     const char *trace_file = NULL;
2562
2563     atexit(qemu_run_exit_notifiers);
2564     error_set_progname(argv[0]);
2565
2566     g_mem_set_vtable(&mem_trace);
2567     if (!g_thread_supported()) {
2568 #if !GLIB_CHECK_VERSION(2, 31, 0)
2569         g_thread_init(NULL);
2570 #else
2571         fprintf(stderr, "glib threading failed to initialize.\n");
2572         exit(1);
2573 #endif
2574     }
2575
2576     module_call_init(MODULE_INIT_QOM);
2577
2578     runstate_init();
2579
2580     init_clocks();
2581     rtc_clock = host_clock;
2582
2583     qemu_cache_utils_init(envp);
2584
2585     QLIST_INIT (&vm_change_state_head);
2586     os_setup_early_signal_handling();
2587
2588     module_call_init(MODULE_INIT_MACHINE);
2589     machine = find_default_machine();
2590     cpu_model = NULL;
2591     ram_size = 0;
2592     snapshot = 0;
2593     cyls = heads = secs = 0;
2594     translation = BIOS_ATA_TRANSLATION_AUTO;
2595
2596     for (i = 0; i < MAX_NODES; i++) {
2597         node_mem[i] = 0;
2598         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2599     }
2600
2601     nb_numa_nodes = 0;
2602     nb_nics = 0;
2603
2604     autostart= 1;
2605
2606     /* first pass of option parsing */
2607     optind = 1;
2608     while (optind < argc) {
2609         if (argv[optind][0] != '-') {
2610             /* disk image */
2611             optind++;
2612             continue;
2613         } else {
2614             const QEMUOption *popt;
2615
2616             popt = lookup_opt(argc, argv, &optarg, &optind);
2617             switch (popt->index) {
2618             case QEMU_OPTION_nodefconfig:
2619                 defconfig = false;
2620                 break;
2621             case QEMU_OPTION_nouserconfig:
2622                 userconfig = false;
2623                 break;
2624             }
2625         }
2626     }
2627
2628     if (defconfig) {
2629         int ret;
2630         ret = qemu_read_default_config_files(userconfig);
2631         if (ret < 0) {
2632             exit(1);
2633         }
2634     }
2635
2636     /* second pass of option parsing */
2637     optind = 1;
2638     for(;;) {
2639         if (optind >= argc)
2640             break;
2641         if (argv[optind][0] != '-') {
2642             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2643         } else {
2644             const QEMUOption *popt;
2645
2646             popt = lookup_opt(argc, argv, &optarg, &optind);
2647             if (!(popt->arch_mask & arch_type)) {
2648                 printf("Option %s not supported for this target\n", popt->name);
2649                 exit(1);
2650             }
2651             switch(popt->index) {
2652             case QEMU_OPTION_M:
2653                 machine = machine_parse(optarg);
2654                 break;
2655             case QEMU_OPTION_no_kvm_irqchip: {
2656                 olist = qemu_find_opts("machine");
2657                 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2658                 break;
2659             }
2660             case QEMU_OPTION_cpu:
2661                 /* hw initialization will check this */
2662                 cpu_model = optarg;
2663                 break;
2664             case QEMU_OPTION_hda:
2665                 {
2666                     char buf[256];
2667                     if (cyls == 0)
2668                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2669                     else
2670                         snprintf(buf, sizeof(buf),
2671                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2672                                  HD_OPTS , cyls, heads, secs,
2673                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2674                                  ",trans=lba" :
2675                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2676                                  ",trans=none" : "");
2677                     drive_add(IF_DEFAULT, 0, optarg, buf);
2678                     break;
2679                 }
2680             case QEMU_OPTION_hdb:
2681             case QEMU_OPTION_hdc:
2682             case QEMU_OPTION_hdd:
2683                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2684                           HD_OPTS);
2685                 break;
2686             case QEMU_OPTION_drive:
2687                 if (drive_def(optarg) == NULL) {
2688                     exit(1);
2689                 }
2690                 break;
2691             case QEMU_OPTION_set:
2692                 if (qemu_set_option(optarg) != 0)
2693                     exit(1);
2694                 break;
2695             case QEMU_OPTION_global:
2696                 if (qemu_global_option(optarg) != 0)
2697                     exit(1);
2698                 break;
2699             case QEMU_OPTION_mtdblock:
2700                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2701                 break;
2702             case QEMU_OPTION_sd:
2703                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2704                 break;
2705             case QEMU_OPTION_pflash:
2706                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2707                 break;
2708             case QEMU_OPTION_snapshot:
2709                 snapshot = 1;
2710                 break;
2711             case QEMU_OPTION_hdachs:
2712                 {
2713                     const char *p;
2714                     p = optarg;
2715                     cyls = strtol(p, (char **)&p, 0);
2716                     if (cyls < 1 || cyls > 16383)
2717                         goto chs_fail;
2718                     if (*p != ',')
2719                         goto chs_fail;
2720                     p++;
2721                     heads = strtol(p, (char **)&p, 0);
2722                     if (heads < 1 || heads > 16)
2723                         goto chs_fail;
2724                     if (*p != ',')
2725                         goto chs_fail;
2726                     p++;
2727                     secs = strtol(p, (char **)&p, 0);
2728                     if (secs < 1 || secs > 63)
2729                         goto chs_fail;
2730                     if (*p == ',') {
2731                         p++;
2732                         if (!strcmp(p, "none"))
2733                             translation = BIOS_ATA_TRANSLATION_NONE;
2734                         else if (!strcmp(p, "lba"))
2735                             translation = BIOS_ATA_TRANSLATION_LBA;
2736                         else if (!strcmp(p, "auto"))
2737                             translation = BIOS_ATA_TRANSLATION_AUTO;
2738                         else
2739                             goto chs_fail;
2740                     } else if (*p != '\0') {
2741                     chs_fail:
2742                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2743                         exit(1);
2744                     }
2745                     if (hda_opts != NULL) {
2746                         char num[16];
2747                         snprintf(num, sizeof(num), "%d", cyls);
2748                         qemu_opt_set(hda_opts, "cyls", num);
2749                         snprintf(num, sizeof(num), "%d", heads);
2750                         qemu_opt_set(hda_opts, "heads", num);
2751                         snprintf(num, sizeof(num), "%d", secs);
2752                         qemu_opt_set(hda_opts, "secs", num);
2753                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2754                             qemu_opt_set(hda_opts, "trans", "lba");
2755                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2756                             qemu_opt_set(hda_opts, "trans", "none");
2757                     }
2758                 }
2759                 break;
2760             case QEMU_OPTION_numa:
2761                 if (nb_numa_nodes >= MAX_NODES) {
2762                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2763                     exit(1);
2764                 }
2765                 numa_add(optarg);
2766                 break;
2767             case QEMU_OPTION_display:
2768                 display_type = select_display(optarg);
2769                 break;
2770             case QEMU_OPTION_nographic:
2771                 display_type = DT_NOGRAPHIC;
2772                 break;
2773             case QEMU_OPTION_curses:
2774 #ifdef CONFIG_CURSES
2775                 display_type = DT_CURSES;
2776 #else
2777                 fprintf(stderr, "Curses support is disabled\n");
2778                 exit(1);
2779 #endif
2780                 break;
2781             case QEMU_OPTION_portrait:
2782                 graphic_rotate = 90;
2783                 break;
2784             case QEMU_OPTION_rotate:
2785                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2786                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2787                     graphic_rotate != 180 && graphic_rotate != 270) {
2788                     fprintf(stderr,
2789                         "qemu: only 90, 180, 270 deg rotation is available\n");
2790                     exit(1);
2791                 }
2792                 break;
2793             case QEMU_OPTION_kernel:
2794                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2795                 break;
2796             case QEMU_OPTION_initrd:
2797                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2798                 break;
2799             case QEMU_OPTION_append:
2800                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2801                 break;
2802             case QEMU_OPTION_dtb:
2803                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2804                 break;
2805             case QEMU_OPTION_cdrom:
2806                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2807                 break;
2808             case QEMU_OPTION_boot:
2809                 {
2810                     static const char * const params[] = {
2811                         "order", "once", "menu",
2812                         "splash", "splash-time",
2813                         "reboot-timeout", NULL
2814                     };
2815                     char buf[sizeof(boot_devices)];
2816                     char *standard_boot_devices;
2817                     int legacy = 0;
2818
2819                     if (!strchr(optarg, '=')) {
2820                         legacy = 1;
2821                         pstrcpy(buf, sizeof(buf), optarg);
2822                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2823                         fprintf(stderr,
2824                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2825                                 buf, optarg);
2826                         exit(1);
2827                     }
2828
2829                     if (legacy ||
2830                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2831                         validate_bootdevices(buf);
2832                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2833                     }
2834                     if (!legacy) {
2835                         if (get_param_value(buf, sizeof(buf),
2836                                             "once", optarg)) {
2837                             validate_bootdevices(buf);
2838                             standard_boot_devices = g_strdup(boot_devices);
2839                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2840                             qemu_register_reset(restore_boot_devices,
2841                                                 standard_boot_devices);
2842                         }
2843                         if (get_param_value(buf, sizeof(buf),
2844                                             "menu", optarg)) {
2845                             if (!strcmp(buf, "on")) {
2846                                 boot_menu = 1;
2847                             } else if (!strcmp(buf, "off")) {
2848                                 boot_menu = 0;
2849                             } else {
2850                                 fprintf(stderr,
2851                                         "qemu: invalid option value '%s'\n",
2852                                         buf);
2853                                 exit(1);
2854                             }
2855                         }
2856                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2857                                         optarg, 0);
2858                     }
2859                 }
2860                 break;
2861             case QEMU_OPTION_fda:
2862             case QEMU_OPTION_fdb:
2863                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2864                           optarg, FD_OPTS);
2865                 break;
2866             case QEMU_OPTION_no_fd_bootchk:
2867                 fd_bootchk = 0;
2868                 break;
2869             case QEMU_OPTION_netdev:
2870                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2871                     exit(1);
2872                 }
2873                 break;
2874             case QEMU_OPTION_net:
2875                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2876                     exit(1);
2877                 }
2878                 break;
2879 #ifdef CONFIG_LIBISCSI
2880             case QEMU_OPTION_iscsi:
2881                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2882                 if (!opts) {
2883                     exit(1);
2884                 }
2885                 break;
2886 #endif
2887 #ifdef CONFIG_SLIRP
2888             case QEMU_OPTION_tftp:
2889                 legacy_tftp_prefix = optarg;
2890                 break;
2891             case QEMU_OPTION_bootp:
2892                 legacy_bootp_filename = optarg;
2893                 break;
2894             case QEMU_OPTION_redir:
2895                 if (net_slirp_redir(optarg) < 0)
2896                     exit(1);
2897                 break;
2898 #endif
2899             case QEMU_OPTION_bt:
2900                 add_device_config(DEV_BT, optarg);
2901                 break;
2902             case QEMU_OPTION_audio_help:
2903                 if (!(audio_available())) {
2904                     printf("Option %s not supported for this target\n", popt->name);
2905                     exit(1);
2906                 }
2907                 AUD_help ();
2908                 exit (0);
2909                 break;
2910             case QEMU_OPTION_soundhw:
2911                 if (!(audio_available())) {
2912                     printf("Option %s not supported for this target\n", popt->name);
2913                     exit(1);
2914                 }
2915                 select_soundhw (optarg);
2916                 break;
2917             case QEMU_OPTION_h:
2918                 help(0);
2919                 break;
2920             case QEMU_OPTION_version:
2921                 version();
2922                 exit(0);
2923                 break;
2924             case QEMU_OPTION_m: {
2925                 int64_t value;
2926                 uint64_t sz;
2927                 char *end;
2928
2929                 value = strtosz(optarg, &end);
2930                 if (value < 0 || *end) {
2931                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2932                     exit(1);
2933                 }
2934                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2935                 ram_size = sz;
2936                 if (ram_size != sz) {
2937                     fprintf(stderr, "qemu: ram size too large\n");
2938                     exit(1);
2939                 }
2940                 break;
2941             }
2942             case QEMU_OPTION_mempath:
2943                 mem_path = optarg;
2944                 break;
2945 #ifdef MAP_POPULATE
2946             case QEMU_OPTION_mem_prealloc:
2947                 mem_prealloc = 1;
2948                 break;
2949 #endif
2950             case QEMU_OPTION_d:
2951                 log_mask = optarg;
2952                 break;
2953             case QEMU_OPTION_D:
2954                 log_file = optarg;
2955                 break;
2956             case QEMU_OPTION_s:
2957                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2958                 break;
2959             case QEMU_OPTION_gdb:
2960                 add_device_config(DEV_GDB, optarg);
2961                 break;
2962             case QEMU_OPTION_L:
2963                 data_dir = optarg;
2964                 break;
2965             case QEMU_OPTION_bios:
2966                 bios_name = optarg;
2967                 break;
2968             case QEMU_OPTION_singlestep:
2969                 singlestep = 1;
2970                 break;
2971             case QEMU_OPTION_S:
2972                 autostart = 0;
2973                 break;
2974             case QEMU_OPTION_k:
2975                 keyboard_layout = optarg;
2976                 break;
2977             case QEMU_OPTION_localtime:
2978                 rtc_utc = 0;
2979                 break;
2980             case QEMU_OPTION_vga:
2981                 vga_model = optarg;
2982                 default_vga = 0;
2983                 break;
2984             case QEMU_OPTION_g:
2985                 {
2986                     const char *p;
2987                     int w, h, depth;
2988                     p = optarg;
2989                     w = strtol(p, (char **)&p, 10);
2990                     if (w <= 0) {
2991                     graphic_error:
2992                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2993                         exit(1);
2994                     }
2995                     if (*p != 'x')
2996                         goto graphic_error;
2997                     p++;
2998                     h = strtol(p, (char **)&p, 10);
2999                     if (h <= 0)
3000                         goto graphic_error;
3001                     if (*p == 'x') {
3002                         p++;
3003                         depth = strtol(p, (char **)&p, 10);
3004                         if (depth != 8 && depth != 15 && depth != 16 &&
3005                             depth != 24 && depth != 32)
3006                             goto graphic_error;
3007                     } else if (*p == '\0') {
3008                         depth = graphic_depth;
3009                     } else {
3010                         goto graphic_error;
3011                     }
3012
3013                     graphic_width = w;
3014                     graphic_height = h;
3015                     graphic_depth = depth;
3016                 }
3017                 break;
3018             case QEMU_OPTION_echr:
3019                 {
3020                     char *r;
3021                     term_escape_char = strtol(optarg, &r, 0);
3022                     if (r == optarg)
3023                         printf("Bad argument to echr\n");
3024                     break;
3025                 }
3026             case QEMU_OPTION_monitor:
3027                 monitor_parse(optarg, "readline");
3028                 default_monitor = 0;
3029                 break;
3030             case QEMU_OPTION_qmp:
3031                 monitor_parse(optarg, "control");
3032                 default_monitor = 0;
3033                 break;
3034             case QEMU_OPTION_mon:
3035                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3036                 if (!opts) {
3037                     exit(1);
3038                 }
3039                 default_monitor = 0;
3040                 break;
3041             case QEMU_OPTION_chardev:
3042                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3043                 if (!opts) {
3044                     exit(1);
3045                 }
3046                 break;
3047             case QEMU_OPTION_fsdev:
3048                 olist = qemu_find_opts("fsdev");
3049                 if (!olist) {
3050                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3051                     exit(1);
3052                 }
3053                 opts = qemu_opts_parse(olist, optarg, 1);
3054                 if (!opts) {
3055                     fprintf(stderr, "parse error: %s\n", optarg);
3056                     exit(1);
3057                 }
3058                 break;
3059             case QEMU_OPTION_virtfs: {
3060                 QemuOpts *fsdev;
3061                 QemuOpts *device;
3062                 const char *writeout, *sock_fd, *socket;
3063
3064                 olist = qemu_find_opts("virtfs");
3065                 if (!olist) {
3066                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3067                     exit(1);
3068                 }
3069                 opts = qemu_opts_parse(olist, optarg, 1);
3070                 if (!opts) {
3071                     fprintf(stderr, "parse error: %s\n", optarg);
3072                     exit(1);
3073                 }
3074
3075                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3076                     qemu_opt_get(opts, "mount_tag") == NULL) {
3077                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3078                     exit(1);
3079                 }
3080                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3081                                          qemu_opt_get(opts, "mount_tag"),
3082                                          1, NULL);
3083                 if (!fsdev) {
3084                     fprintf(stderr, "duplicate fsdev id: %s\n",
3085                             qemu_opt_get(opts, "mount_tag"));
3086                     exit(1);
3087                 }
3088
3089                 writeout = qemu_opt_get(opts, "writeout");
3090                 if (writeout) {
3091 #ifdef CONFIG_SYNC_FILE_RANGE
3092                     qemu_opt_set(fsdev, "writeout", writeout);
3093 #else
3094                     fprintf(stderr, "writeout=immediate not supported on "
3095                             "this platform\n");
3096                     exit(1);
3097 #endif
3098                 }
3099                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3100                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3101                 qemu_opt_set(fsdev, "security_model",
3102                              qemu_opt_get(opts, "security_model"));
3103                 socket = qemu_opt_get(opts, "socket");
3104                 if (socket) {
3105                     qemu_opt_set(fsdev, "socket", socket);
3106                 }
3107                 sock_fd = qemu_opt_get(opts, "sock_fd");
3108                 if (sock_fd) {
3109                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
3110                 }
3111
3112                 qemu_opt_set_bool(fsdev, "readonly",
3113                                 qemu_opt_get_bool(opts, "readonly", 0));
3114                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3115                                           NULL);
3116                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3117                 qemu_opt_set(device, "fsdev",
3118                              qemu_opt_get(opts, "mount_tag"));
3119                 qemu_opt_set(device, "mount_tag",
3120                              qemu_opt_get(opts, "mount_tag"));
3121                 break;
3122             }
3123             case QEMU_OPTION_virtfs_synth: {
3124                 QemuOpts *fsdev;
3125                 QemuOpts *device;
3126
3127                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3128                                          1, NULL);
3129                 if (!fsdev) {
3130                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3131                     exit(1);
3132                 }
3133                 qemu_opt_set(fsdev, "fsdriver", "synth");
3134
3135                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3136                                           NULL);
3137                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3138                 qemu_opt_set(device, "fsdev", "v_synth");
3139                 qemu_opt_set(device, "mount_tag", "v_synth");
3140                 break;
3141             }
3142             case QEMU_OPTION_serial:
3143                 add_device_config(DEV_SERIAL, optarg);
3144                 default_serial = 0;
3145                 if (strncmp(optarg, "mon:", 4) == 0) {
3146                     default_monitor = 0;
3147                 }
3148                 break;
3149             case QEMU_OPTION_watchdog:
3150                 if (watchdog) {
3151                     fprintf(stderr,
3152                             "qemu: only one watchdog option may be given\n");
3153                     return 1;
3154                 }
3155                 watchdog = optarg;
3156                 break;
3157             case QEMU_OPTION_watchdog_action:
3158                 if (select_watchdog_action(optarg) == -1) {
3159                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
3160                     exit(1);
3161                 }
3162                 break;
3163             case QEMU_OPTION_virtiocon:
3164                 add_device_config(DEV_VIRTCON, optarg);
3165                 default_virtcon = 0;
3166                 if (strncmp(optarg, "mon:", 4) == 0) {
3167                     default_monitor = 0;
3168                 }
3169                 break;
3170             case QEMU_OPTION_parallel:
3171                 add_device_config(DEV_PARALLEL, optarg);
3172                 default_parallel = 0;
3173                 if (strncmp(optarg, "mon:", 4) == 0) {
3174                     default_monitor = 0;
3175                 }
3176                 break;
3177             case QEMU_OPTION_debugcon:
3178                 add_device_config(DEV_DEBUGCON, optarg);
3179                 break;
3180             case QEMU_OPTION_loadvm:
3181                 loadvm = optarg;
3182                 break;
3183             case QEMU_OPTION_full_screen:
3184                 full_screen = 1;
3185                 break;
3186 #ifdef CONFIG_SDL
3187             case QEMU_OPTION_no_frame:
3188                 no_frame = 1;
3189                 break;
3190             case QEMU_OPTION_alt_grab:
3191                 alt_grab = 1;
3192                 break;
3193             case QEMU_OPTION_ctrl_grab:
3194                 ctrl_grab = 1;
3195                 break;
3196             case QEMU_OPTION_no_quit:
3197                 no_quit = 1;
3198                 break;
3199             case QEMU_OPTION_sdl:
3200                 display_type = DT_SDL;
3201                 break;
3202 #else
3203             case QEMU_OPTION_no_frame:
3204             case QEMU_OPTION_alt_grab:
3205             case QEMU_OPTION_ctrl_grab:
3206             case QEMU_OPTION_no_quit:
3207             case QEMU_OPTION_sdl:
3208                 fprintf(stderr, "SDL support is disabled\n");
3209                 exit(1);
3210 #endif
3211             case QEMU_OPTION_pidfile:
3212                 pid_file = optarg;
3213                 break;
3214             case QEMU_OPTION_win2k_hack:
3215                 win2k_install_hack = 1;
3216                 break;
3217             case QEMU_OPTION_rtc_td_hack: {
3218                 static GlobalProperty slew_lost_ticks[] = {
3219                     {
3220                         .driver   = "mc146818rtc",
3221                         .property = "lost_tick_policy",
3222                         .value    = "slew",
3223                     },
3224                     { /* end of list */ }
3225                 };
3226
3227                 qdev_prop_register_global_list(slew_lost_ticks);
3228                 break;
3229             }
3230             case QEMU_OPTION_acpitable:
3231                 do_acpitable_option(optarg);
3232                 break;
3233             case QEMU_OPTION_smbios:
3234                 do_smbios_option(optarg);
3235                 break;
3236             case QEMU_OPTION_enable_kvm:
3237                 olist = qemu_find_opts("machine");
3238                 qemu_opts_parse(olist, "accel=kvm", 0);
3239                 break;
3240             case QEMU_OPTION_machine:
3241                 olist = qemu_find_opts("machine");
3242                 opts = qemu_opts_parse(olist, optarg, 1);
3243                 if (!opts) {
3244                     fprintf(stderr, "parse error: %s\n", optarg);
3245                     exit(1);
3246                 }
3247                 optarg = qemu_opt_get(opts, "type");
3248                 if (optarg) {
3249                     machine = machine_parse(optarg);
3250                 }
3251                 break;
3252              case QEMU_OPTION_no_kvm:
3253                 olist = qemu_find_opts("machine");
3254                 qemu_opts_parse(olist, "accel=tcg", 0);
3255                 break;
3256             case QEMU_OPTION_no_kvm_pit: {
3257                 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3258                                 "separately.\n");
3259                 break;
3260             }
3261             case QEMU_OPTION_no_kvm_pit_reinjection: {
3262                 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3263                     {
3264                         .driver   = "kvm-pit",
3265                         .property = "lost_tick_policy",
3266                         .value    = "discard",
3267                     },
3268                     { /* end of list */ }
3269                 };
3270
3271                 fprintf(stderr, "Warning: option deprecated, use "
3272                         "lost_tick_policy property of kvm-pit instead.\n");
3273                 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3274                 break;
3275             }
3276             case QEMU_OPTION_usb:
3277                 olist = qemu_find_opts("machine");
3278                 qemu_opts_parse(olist, "usb=on", 0);
3279                 break;
3280             case QEMU_OPTION_usbdevice:
3281                 olist = qemu_find_opts("machine");
3282                 qemu_opts_parse(olist, "usb=on", 0);
3283                 add_device_config(DEV_USB, optarg);
3284                 break;
3285             case QEMU_OPTION_device:
3286                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3287                     exit(1);
3288                 }
3289                 break;
3290             case QEMU_OPTION_smp:
3291                 smp_parse(optarg);
3292                 if (smp_cpus < 1) {
3293                     fprintf(stderr, "Invalid number of CPUs\n");
3294                     exit(1);
3295                 }
3296                 if (max_cpus < smp_cpus) {
3297                     fprintf(stderr, "maxcpus must be equal to or greater than "
3298                             "smp\n");
3299                     exit(1);
3300                 }
3301                 if (max_cpus > 255) {
3302                     fprintf(stderr, "Unsupported number of maxcpus\n");
3303                     exit(1);
3304                 }
3305                 break;
3306             case QEMU_OPTION_vnc:
3307 #ifdef CONFIG_VNC
3308                 display_remote++;
3309                 vnc_display = optarg;
3310 #else
3311                 fprintf(stderr, "VNC support is disabled\n");
3312                 exit(1);
3313 #endif
3314                 break;
3315             case QEMU_OPTION_no_acpi:
3316                 acpi_enabled = 0;
3317                 break;
3318             case QEMU_OPTION_no_hpet:
3319                 no_hpet = 1;
3320                 break;
3321             case QEMU_OPTION_balloon:
3322                 if (balloon_parse(optarg) < 0) {
3323                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3324                     exit(1);
3325                 }
3326                 break;
3327             case QEMU_OPTION_no_reboot:
3328                 no_reboot = 1;
3329                 break;
3330             case QEMU_OPTION_no_shutdown:
3331                 no_shutdown = 1;
3332                 break;
3333             case QEMU_OPTION_show_cursor:
3334                 cursor_hide = 0;
3335                 break;
3336             case QEMU_OPTION_uuid:
3337                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3338                     fprintf(stderr, "Fail to parse UUID string."
3339                             " Wrong format.\n");
3340                     exit(1);
3341                 }
3342                 break;
3343             case QEMU_OPTION_option_rom:
3344                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3345                     fprintf(stderr, "Too many option ROMs\n");
3346                     exit(1);
3347                 }
3348                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3349                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3350                 option_rom[nb_option_roms].bootindex =
3351                     qemu_opt_get_number(opts, "bootindex", -1);
3352                 if (!option_rom[nb_option_roms].name) {
3353                     fprintf(stderr, "Option ROM file is not specified\n");
3354                     exit(1);
3355                 }
3356                 nb_option_roms++;
3357                 break;
3358             case QEMU_OPTION_semihosting:
3359                 semihosting_enabled = 1;
3360                 break;
3361             case QEMU_OPTION_tdf:
3362                 fprintf(stderr, "Warning: user space PIT time drift fix "
3363                                 "is no longer supported.\n");
3364                 break;
3365             case QEMU_OPTION_name:
3366                 qemu_name = g_strdup(optarg);
3367                  {
3368                      char *p = strchr(qemu_name, ',');
3369                      if (p != NULL) {
3370                         *p++ = 0;
3371                         if (strncmp(p, "process=", 8)) {
3372                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3373                             exit(1);
3374                         }
3375                         p += 8;
3376                         os_set_proc_name(p);
3377                      }
3378                  }
3379                 break;
3380             case QEMU_OPTION_prom_env:
3381                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3382                     fprintf(stderr, "Too many prom variables\n");
3383                     exit(1);
3384                 }
3385                 prom_envs[nb_prom_envs] = optarg;
3386                 nb_prom_envs++;
3387                 break;
3388             case QEMU_OPTION_old_param:
3389                 old_param = 1;
3390                 break;
3391             case QEMU_OPTION_clock:
3392                 configure_alarms(optarg);
3393                 break;
3394             case QEMU_OPTION_startdate:
3395                 configure_rtc_date_offset(optarg, 1);
3396                 break;
3397             case QEMU_OPTION_rtc:
3398                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3399                 if (!opts) {
3400                     exit(1);
3401                 }
3402                 configure_rtc(opts);
3403                 break;
3404             case QEMU_OPTION_tb_size:
3405                 tcg_tb_size = strtol(optarg, NULL, 0);
3406                 if (tcg_tb_size < 0) {
3407                     tcg_tb_size = 0;
3408                 }
3409                 break;
3410             case QEMU_OPTION_icount:
3411                 icount_option = optarg;
3412                 break;
3413             case QEMU_OPTION_incoming:
3414                 incoming = optarg;
3415                 runstate_set(RUN_STATE_INMIGRATE);
3416                 break;
3417             case QEMU_OPTION_nodefaults:
3418                 default_serial = 0;
3419                 default_parallel = 0;
3420                 default_virtcon = 0;
3421                 default_monitor = 0;
3422                 default_net = 0;
3423                 default_floppy = 0;
3424                 default_cdrom = 0;
3425                 default_sdcard = 0;
3426                 default_vga = 0;
3427                 break;
3428             case QEMU_OPTION_xen_domid:
3429                 if (!(xen_available())) {
3430                     printf("Option %s not supported for this target\n", popt->name);
3431                     exit(1);
3432                 }
3433                 xen_domid = atoi(optarg);
3434                 break;
3435             case QEMU_OPTION_xen_create:
3436                 if (!(xen_available())) {
3437                     printf("Option %s not supported for this target\n", popt->name);
3438                     exit(1);
3439                 }
3440                 xen_mode = XEN_CREATE;
3441                 break;
3442             case QEMU_OPTION_xen_attach:
3443                 if (!(xen_available())) {
3444                     printf("Option %s not supported for this target\n", popt->name);
3445                     exit(1);
3446                 }
3447                 xen_mode = XEN_ATTACH;
3448                 break;
3449             case QEMU_OPTION_trace:
3450             {
3451                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3452                 if (!opts) {
3453                     exit(1);
3454                 }
3455                 trace_events = qemu_opt_get(opts, "events");
3456                 trace_file = qemu_opt_get(opts, "file");
3457                 break;
3458             }
3459             case QEMU_OPTION_readconfig:
3460                 {
3461                     int ret = qemu_read_config_file(optarg);
3462                     if (ret < 0) {
3463                         fprintf(stderr, "read config %s: %s\n", optarg,
3464                             strerror(-ret));
3465                         exit(1);
3466                     }
3467                     break;
3468                 }
3469             case QEMU_OPTION_spice:
3470                 olist = qemu_find_opts("spice");
3471                 if (!olist) {
3472                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3473                     exit(1);
3474                 }
3475                 opts = qemu_opts_parse(olist, optarg, 0);
3476                 if (!opts) {
3477                     fprintf(stderr, "parse error: %s\n", optarg);
3478                     exit(1);
3479                 }
3480                 break;
3481             case QEMU_OPTION_writeconfig:
3482                 {
3483                     FILE *fp;
3484                     if (strcmp(optarg, "-") == 0) {
3485                         fp = stdout;
3486                     } else {
3487                         fp = fopen(optarg, "w");
3488                         if (fp == NULL) {
3489                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3490                             exit(1);
3491                         }
3492                     }
3493                     qemu_config_write(fp);
3494                     fclose(fp);
3495                     break;
3496                 }
3497             case QEMU_OPTION_qtest:
3498                 qtest_chrdev = optarg;
3499                 break;
3500             case QEMU_OPTION_qtest_log:
3501                 qtest_log = optarg;
3502                 break;
3503             case QEMU_OPTION_sandbox:
3504                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3505                 if (!opts) {
3506                     exit(0);
3507                 }
3508                 break;
3509             case QEMU_OPTION_add_fd:
3510 #ifndef _WIN32
3511                 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3512                 if (!opts) {
3513                     exit(0);
3514                 }
3515 #else
3516                 error_report("File descriptor passing is disabled on this "
3517                              "platform");
3518                 exit(1);
3519 #endif
3520                 break;
3521             case QEMU_OPTION_object:
3522                 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3523                 break;
3524             default:
3525                 os_parse_cmd_args(popt->index, optarg);
3526             }
3527         }
3528     }
3529     loc_set_none();
3530
3531     if (qemu_init_main_loop()) {
3532         fprintf(stderr, "qemu_init_main_loop failed\n");
3533         exit(1);
3534     }
3535
3536     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3537         exit(1);
3538     }
3539
3540 #ifndef _WIN32
3541     if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3542         exit(1);
3543     }
3544
3545     if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3546         exit(1);
3547     }
3548 #endif
3549
3550     if (machine == NULL) {
3551         fprintf(stderr, "No machine found.\n");
3552         exit(1);
3553     }
3554
3555     if (machine->hw_version) {
3556         qemu_set_version(machine->hw_version);
3557     }
3558
3559     if (qemu_opts_foreach(qemu_find_opts("object"),
3560                           object_create, NULL, 0) != 0) {
3561         exit(1);
3562     }
3563
3564     /* Init CPU def lists, based on config
3565      * - Must be called after all the qemu_read_config_file() calls
3566      * - Must be called before list_cpus()
3567      * - Must be called before machine->init()
3568      */
3569     cpudef_init();
3570
3571     if (cpu_model && is_help_option(cpu_model)) {
3572         list_cpus(stdout, &fprintf, cpu_model);
3573         exit(0);
3574     }
3575
3576     /* Open the logfile at this point, if necessary. We can't open the logfile
3577      * when encountering either of the logging options (-d or -D) because the
3578      * other one may be encountered later on the command line, changing the
3579      * location or level of logging.
3580      */
3581     if (log_mask) {
3582         if (log_file) {
3583             set_cpu_log_filename(log_file);
3584         }
3585         set_cpu_log(log_mask);
3586     }
3587
3588     if (!trace_backend_init(trace_events, trace_file)) {
3589         exit(1);
3590     }
3591
3592     /* If no data_dir is specified then try to find it relative to the
3593        executable path.  */
3594     if (!data_dir) {
3595         data_dir = os_find_datadir(argv[0]);
3596     }
3597     /* If all else fails use the install path specified when building. */
3598     if (!data_dir) {
3599         data_dir = CONFIG_QEMU_DATADIR;
3600     }
3601
3602     /*
3603      * Default to max_cpus = smp_cpus, in case the user doesn't
3604      * specify a max_cpus value.
3605      */
3606     if (!max_cpus)
3607         max_cpus = smp_cpus;
3608
3609     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3610     if (smp_cpus > machine->max_cpus) {
3611         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3612                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3613                 machine->max_cpus);
3614         exit(1);
3615     }
3616
3617     /*
3618      * Get the default machine options from the machine if it is not already
3619      * specified either by the configuration file or by the command line.
3620      */
3621     if (machine->default_machine_opts) {
3622         qemu_opts_set_defaults(qemu_find_opts("machine"),
3623                                machine->default_machine_opts, 0);
3624     }
3625
3626     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3627     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3628
3629     if (machine->no_serial) {
3630         default_serial = 0;
3631     }
3632     if (machine->no_parallel) {
3633         default_parallel = 0;
3634     }
3635     if (!machine->use_virtcon) {
3636         default_virtcon = 0;
3637     }
3638     if (machine->no_floppy) {
3639         default_floppy = 0;
3640     }
3641     if (machine->no_cdrom) {
3642         default_cdrom = 0;
3643     }
3644     if (machine->no_sdcard) {
3645         default_sdcard = 0;
3646     }
3647
3648     if (display_type == DT_NOGRAPHIC) {
3649         if (default_parallel)
3650             add_device_config(DEV_PARALLEL, "null");
3651         if (default_serial && default_monitor) {
3652             add_device_config(DEV_SERIAL, "mon:stdio");
3653         } else if (default_virtcon && default_monitor) {
3654             add_device_config(DEV_VIRTCON, "mon:stdio");
3655         } else {
3656             if (default_serial)
3657                 add_device_config(DEV_SERIAL, "stdio");
3658             if (default_virtcon)
3659                 add_device_config(DEV_VIRTCON, "stdio");
3660             if (default_monitor)
3661                 monitor_parse("stdio", "readline");
3662         }
3663     } else {
3664         if (default_serial)
3665             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3666         if (default_parallel)
3667             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3668         if (default_monitor)
3669             monitor_parse("vc:80Cx24C", "readline");
3670         if (default_virtcon)
3671             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3672     }
3673
3674     socket_init();
3675
3676     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3677         exit(1);
3678 #ifdef CONFIG_VIRTFS
3679     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3680         exit(1);
3681     }
3682 #endif
3683
3684     os_daemonize();
3685
3686     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3687         os_pidfile_error();
3688         exit(1);
3689     }
3690
3691     /* init the memory */
3692     if (ram_size == 0) {
3693         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3694     }
3695
3696     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3697         != 0) {
3698         exit(0);
3699     }
3700
3701     configure_accelerator();
3702
3703     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3704     if (machine_opts) {
3705         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3706         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3707         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3708     } else {
3709         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3710     }
3711
3712     if (!kernel_cmdline) {
3713         kernel_cmdline = "";
3714     }
3715
3716     linux_boot = (kernel_filename != NULL);
3717
3718     if (!linux_boot && *kernel_cmdline != '\0') {
3719         fprintf(stderr, "-append only allowed with -kernel option\n");
3720         exit(1);
3721     }
3722
3723     if (!linux_boot && initrd_filename != NULL) {
3724         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3725         exit(1);
3726     }
3727
3728     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3729         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3730         exit(1);
3731     }
3732
3733     os_set_line_buffering();
3734
3735     qemu_init_cpu_loop();
3736     qemu_mutex_lock_iothread();
3737
3738 #ifdef CONFIG_SPICE
3739     /* spice needs the timers to be initialized by this point */
3740     qemu_spice_init();
3741 #endif
3742
3743     if (icount_option && (kvm_enabled() || xen_enabled())) {
3744         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3745         exit(1);
3746     }
3747     configure_icount(icount_option);
3748
3749     if (net_init_clients() < 0) {
3750         exit(1);
3751     }
3752
3753     /* init the bluetooth world */
3754     if (foreach_device_config(DEV_BT, bt_parse))
3755         exit(1);
3756
3757     if (!xen_enabled()) {
3758         /* On 32-bit hosts, QEMU is limited by virtual address space */
3759         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3760             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3761             exit(1);
3762         }
3763     }
3764
3765     cpu_exec_init_all();
3766
3767     bdrv_init_with_whitelist();
3768
3769     blk_mig_init();
3770
3771     /* open the virtual block devices */
3772     if (snapshot)
3773         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3774     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
3775                           &machine->block_default_type, 1) != 0) {
3776         exit(1);
3777     }
3778
3779     default_drive(default_cdrom, snapshot, machine->block_default_type,
3780                   IF_DEFAULT, 2, CDROM_OPTS);
3781     default_drive(default_floppy, snapshot, machine->block_default_type,
3782                   IF_FLOPPY, 0, FD_OPTS);
3783     default_drive(default_sdcard, snapshot, machine->block_default_type,
3784                   IF_SD, 0, SD_OPTS);
3785
3786     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3787
3788     if (nb_numa_nodes > 0) {
3789         int i;
3790
3791         if (nb_numa_nodes > MAX_NODES) {
3792             nb_numa_nodes = MAX_NODES;
3793         }
3794
3795         /* If no memory size if given for any node, assume the default case
3796          * and distribute the available memory equally across all nodes
3797          */
3798         for (i = 0; i < nb_numa_nodes; i++) {
3799             if (node_mem[i] != 0)
3800                 break;
3801         }
3802         if (i == nb_numa_nodes) {
3803             uint64_t usedmem = 0;
3804
3805             /* On Linux, the each node's border has to be 8MB aligned,
3806              * the final node gets the rest.
3807              */
3808             for (i = 0; i < nb_numa_nodes - 1; i++) {
3809                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3810                 usedmem += node_mem[i];
3811             }
3812             node_mem[i] = ram_size - usedmem;
3813         }
3814
3815         for (i = 0; i < nb_numa_nodes; i++) {
3816             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3817                 break;
3818             }
3819         }
3820         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3821          * must cope with this anyway, because there are BIOSes out there in
3822          * real machines which also use this scheme.
3823          */
3824         if (i == nb_numa_nodes) {
3825             for (i = 0; i < max_cpus; i++) {
3826                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3827             }
3828         }
3829     }
3830
3831     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3832         exit(1);
3833     }
3834
3835     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3836         exit(1);
3837     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3838         exit(1);
3839     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3840         exit(1);
3841     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3842         exit(1);
3843
3844     /* If no default VGA is requested, the default is "none".  */
3845     if (default_vga) {
3846         if (cirrus_vga_available()) {
3847             vga_model = "cirrus";
3848         } else if (vga_available()) {
3849             vga_model = "std";
3850         }
3851     }
3852     select_vgahw(vga_model);
3853
3854     if (watchdog) {
3855         i = select_watchdog(watchdog);
3856         if (i > 0)
3857             exit (i == 1 ? 1 : 0);
3858     }
3859
3860     if (machine->compat_props) {
3861         qdev_prop_register_global_list(machine->compat_props);
3862     }
3863     qemu_add_globals();
3864
3865     qdev_machine_init();
3866
3867     QEMUMachineInitArgs args = { .ram_size = ram_size,
3868                                  .boot_device = boot_devices,
3869                                  .kernel_filename = kernel_filename,
3870                                  .kernel_cmdline = kernel_cmdline,
3871                                  .initrd_filename = initrd_filename,
3872                                  .cpu_model = cpu_model };
3873     machine->init(&args);
3874
3875     cpu_synchronize_all_post_init();
3876
3877     set_numa_modes();
3878
3879     current_machine = machine;
3880
3881     /* init USB devices */
3882     if (usb_enabled(false)) {
3883         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3884             exit(1);
3885     }
3886
3887     /* init generic devices */
3888     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3889         exit(1);
3890
3891     net_check_clients();
3892
3893     /* just use the first displaystate for the moment */
3894     ds = get_displaystate();
3895
3896     if (using_spice)
3897         display_remote++;
3898     if (display_type == DT_DEFAULT && !display_remote) {
3899 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3900         display_type = DT_SDL;
3901 #elif defined(CONFIG_VNC)
3902         vnc_display = "localhost:0,to=99";
3903         show_vnc_port = 1;
3904 #else
3905         display_type = DT_NONE;
3906 #endif
3907     }
3908
3909
3910     /* init local displays */
3911     switch (display_type) {
3912     case DT_NOGRAPHIC:
3913         break;
3914 #if defined(CONFIG_CURSES)
3915     case DT_CURSES:
3916         if (!is_daemonized()) {
3917             curses_display_init(ds, full_screen);
3918         }
3919         break;
3920 #endif
3921 #if defined(CONFIG_SDL)
3922     case DT_SDL:
3923         sdl_display_init(ds, full_screen, no_frame);
3924         break;
3925 #elif defined(CONFIG_COCOA)
3926     case DT_SDL:
3927         cocoa_display_init(ds, full_screen);
3928         break;
3929 #endif
3930     default:
3931         break;
3932     }
3933
3934     /* must be after terminal init, SDL library changes signal handlers */
3935     os_setup_signal_handling();
3936
3937 #ifdef CONFIG_VNC
3938     /* init remote displays */
3939     if (vnc_display) {
3940         Error *local_err = NULL;
3941         vnc_display_init(ds);
3942         vnc_display_open(ds, vnc_display, &local_err);
3943         if (local_err != NULL) {
3944             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3945                     vnc_display, error_get_pretty(local_err));
3946             error_free(local_err);
3947             exit(1);
3948         }
3949
3950         if (show_vnc_port) {
3951             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3952         }
3953     }
3954 #endif
3955 #ifdef CONFIG_SPICE
3956     if (using_spice && !qxl_enabled) {
3957         qemu_spice_display_init(ds);
3958     }
3959 #endif
3960
3961     /* display setup */
3962     text_consoles_set_display(ds);
3963
3964     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3965         exit(1);
3966     }
3967
3968     qdev_machine_creation_done();
3969
3970     if (rom_load_all() != 0) {
3971         fprintf(stderr, "rom loading failed\n");
3972         exit(1);
3973     }
3974
3975     /* TODO: once all bus devices are qdevified, this should be done
3976      * when bus is created by qdev.c */
3977     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3978     qemu_run_machine_init_done_notifiers();
3979
3980     qemu_system_reset(VMRESET_SILENT);
3981     if (loadvm) {
3982         if (load_vmstate(loadvm) < 0) {
3983             autostart = 0;
3984         }
3985     }
3986
3987     if (incoming) {
3988         Error *local_err = NULL;
3989         qemu_start_incoming_migration(incoming, &local_err);
3990         if (local_err) {
3991             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3992             error_free(local_err);
3993             exit(1);
3994         }
3995     } else if (autostart) {
3996         vm_start();
3997     }
3998
3999     os_setup_post();
4000
4001     resume_all_vcpus();
4002     main_loop();
4003     bdrv_close_all();
4004     pause_all_vcpus();
4005     net_cleanup();
4006     res_free();
4007
4008     return 0;
4009 }