qemu/vl.c
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   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 "qemu/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 "sysemu/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>
  99int qemu_main(int argc, char **argv, char **envp);
 100int 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/bt.h"
 130#include "net/net.h"
 131#include "net/slirp.h"
 132#include "monitor/monitor.h"
 133#include "ui/console.h"
 134#include "sysemu/sysemu.h"
 135#include "exec/gdbstub.h"
 136#include "qemu/timer.h"
 137#include "char/char.h"
 138#include "qemu/cache-utils.h"
 139#include "sysemu/blockdev.h"
 140#include "hw/block-common.h"
 141#include "migration/block.h"
 142#include "sysemu/dma.h"
 143#include "audio/audio.h"
 144#include "migration/migration.h"
 145#include "sysemu/kvm.h"
 146#include "qapi/qmp/qjson.h"
 147#include "qemu/option.h"
 148#include "qemu/config-file.h"
 149#include "qemu-options.h"
 150#include "qmp-commands.h"
 151#include "qemu/main-loop.h"
 152#ifdef CONFIG_VIRTFS
 153#include "fsdev/qemu-fsdev.h"
 154#endif
 155#include "sysemu/qtest.h"
 156
 157#include "disas/disas.h"
 158
 159#include "qemu/sockets.h"
 160
 161#include "slirp/libslirp.h"
 162
 163#include "trace.h"
 164#include "trace/control.h"
 165#include "qemu/queue.h"
 166#include "sysemu/cpus.h"
 167#include "sysemu/arch_init.h"
 168#include "qemu/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#define MAX_SCLP_CONSOLES 1
 180
 181static const char *data_dir;
 182const char *bios_name = NULL;
 183enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 184DisplayType display_type = DT_DEFAULT;
 185static int display_remote;
 186const char* keyboard_layout = NULL;
 187ram_addr_t ram_size;
 188const char *mem_path = NULL;
 189#ifdef MAP_POPULATE
 190int mem_prealloc = 0; /* force preallocation of physical target memory */
 191#endif
 192int nb_nics;
 193NICInfo nd_table[MAX_NICS];
 194int autostart;
 195static int rtc_utc = 1;
 196static int rtc_date_offset = -1; /* -1 means no change */
 197QEMUClock *rtc_clock;
 198int vga_interface_type = VGA_NONE;
 199static int full_screen = 0;
 200#ifdef CONFIG_SDL
 201static int no_frame = 0;
 202#endif
 203int no_quit = 0;
 204CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 205CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 206CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 207CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
 208int win2k_install_hack = 0;
 209int singlestep = 0;
 210int smp_cpus = 1;
 211int max_cpus = 0;
 212int smp_cores = 1;
 213int smp_threads = 1;
 214#ifdef CONFIG_VNC
 215const char *vnc_display;
 216#endif
 217int acpi_enabled = 1;
 218int no_hpet = 0;
 219int fd_bootchk = 1;
 220static int no_reboot;
 221int no_shutdown = 0;
 222int cursor_hide = 1;
 223int graphic_rotate = 0;
 224const char *watchdog;
 225QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 226int nb_option_roms;
 227int semihosting_enabled = 0;
 228int old_param = 0;
 229const char *qemu_name;
 230int alt_grab = 0;
 231int ctrl_grab = 0;
 232unsigned int nb_prom_envs = 0;
 233const char *prom_envs[MAX_PROM_ENVS];
 234int boot_menu;
 235uint8_t *boot_splash_filedata;
 236size_t boot_splash_filedata_size;
 237uint8_t qemu_extra_params_fw[2];
 238
 239typedef struct FWBootEntry FWBootEntry;
 240
 241struct FWBootEntry {
 242    QTAILQ_ENTRY(FWBootEntry) link;
 243    int32_t bootindex;
 244    DeviceState *dev;
 245    char *suffix;
 246};
 247
 248static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 249    QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 250
 251int nb_numa_nodes;
 252uint64_t node_mem[MAX_NODES];
 253unsigned long *node_cpumask[MAX_NODES];
 254
 255uint8_t qemu_uuid[16];
 256
 257static QEMUBootSetHandler *boot_set_handler;
 258static void *boot_set_opaque;
 259
 260static NotifierList exit_notifiers =
 261    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 262
 263static NotifierList machine_init_done_notifiers =
 264    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 265
 266static bool tcg_allowed = true;
 267bool kvm_allowed;
 268bool xen_allowed;
 269uint32_t xen_domid;
 270enum xen_mode xen_mode = XEN_EMULATE;
 271static int tcg_tb_size;
 272
 273static int default_serial = 1;
 274static int default_parallel = 1;
 275static int default_virtcon = 1;
 276static int default_sclp = 1;
 277static int default_monitor = 1;
 278static int default_floppy = 1;
 279static int default_cdrom = 1;
 280static int default_sdcard = 1;
 281static int default_vga = 1;
 282
 283static struct {
 284    const char *driver;
 285    int *flag;
 286} default_list[] = {
 287    { .driver = "isa-serial",           .flag = &default_serial    },
 288    { .driver = "isa-parallel",         .flag = &default_parallel  },
 289    { .driver = "isa-fdc",              .flag = &default_floppy    },
 290    { .driver = "ide-cd",               .flag = &default_cdrom     },
 291    { .driver = "ide-hd",               .flag = &default_cdrom     },
 292    { .driver = "ide-drive",            .flag = &default_cdrom     },
 293    { .driver = "scsi-cd",              .flag = &default_cdrom     },
 294    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 295    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 296    { .driver = "virtio-serial",        .flag = &default_virtcon   },
 297    { .driver = "VGA",                  .flag = &default_vga       },
 298    { .driver = "isa-vga",              .flag = &default_vga       },
 299    { .driver = "cirrus-vga",           .flag = &default_vga       },
 300    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 301    { .driver = "vmware-svga",          .flag = &default_vga       },
 302    { .driver = "qxl-vga",              .flag = &default_vga       },
 303};
 304
 305static QemuOptsList qemu_rtc_opts = {
 306    .name = "rtc",
 307    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
 308    .desc = {
 309        {
 310            .name = "base",
 311            .type = QEMU_OPT_STRING,
 312        },{
 313            .name = "clock",
 314            .type = QEMU_OPT_STRING,
 315        },{
 316            .name = "driftfix",
 317            .type = QEMU_OPT_STRING,
 318        },
 319        { /* end of list */ }
 320    },
 321};
 322
 323static QemuOptsList qemu_sandbox_opts = {
 324    .name = "sandbox",
 325    .implied_opt_name = "enable",
 326    .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
 327    .desc = {
 328        {
 329            .name = "enable",
 330            .type = QEMU_OPT_BOOL,
 331        },
 332        { /* end of list */ }
 333    },
 334};
 335
 336static QemuOptsList qemu_trace_opts = {
 337    .name = "trace",
 338    .implied_opt_name = "trace",
 339    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
 340    .desc = {
 341        {
 342            .name = "events",
 343            .type = QEMU_OPT_STRING,
 344        },{
 345            .name = "file",
 346            .type = QEMU_OPT_STRING,
 347        },
 348        { /* end of list */ }
 349    },
 350};
 351
 352static QemuOptsList qemu_option_rom_opts = {
 353    .name = "option-rom",
 354    .implied_opt_name = "romfile",
 355    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
 356    .desc = {
 357        {
 358            .name = "bootindex",
 359            .type = QEMU_OPT_NUMBER,
 360        }, {
 361            .name = "romfile",
 362            .type = QEMU_OPT_STRING,
 363        },
 364        { /* end of list */ }
 365    },
 366};
 367
 368static QemuOptsList qemu_machine_opts = {
 369    .name = "machine",
 370    .implied_opt_name = "type",
 371    .merge_lists = true,
 372    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
 373    .desc = {
 374        {
 375            .name = "type",
 376            .type = QEMU_OPT_STRING,
 377            .help = "emulated machine"
 378        }, {
 379            .name = "accel",
 380            .type = QEMU_OPT_STRING,
 381            .help = "accelerator list",
 382        }, {
 383            .name = "kernel_irqchip",
 384            .type = QEMU_OPT_BOOL,
 385            .help = "use KVM in-kernel irqchip",
 386        }, {
 387            .name = "kvm_shadow_mem",
 388            .type = QEMU_OPT_SIZE,
 389            .help = "KVM shadow MMU size",
 390        }, {
 391            .name = "kernel",
 392            .type = QEMU_OPT_STRING,
 393            .help = "Linux kernel image file",
 394        }, {
 395            .name = "initrd",
 396            .type = QEMU_OPT_STRING,
 397            .help = "Linux initial ramdisk file",
 398        }, {
 399            .name = "append",
 400            .type = QEMU_OPT_STRING,
 401            .help = "Linux kernel command line",
 402        }, {
 403            .name = "dtb",
 404            .type = QEMU_OPT_STRING,
 405            .help = "Linux kernel device tree file",
 406        }, {
 407            .name = "dumpdtb",
 408            .type = QEMU_OPT_STRING,
 409            .help = "Dump current dtb to a file and quit",
 410        }, {
 411            .name = "phandle_start",
 412            .type = QEMU_OPT_STRING,
 413            .help = "The first phandle ID we may generate dynamically",
 414        }, {
 415            .name = "dt_compatible",
 416            .type = QEMU_OPT_STRING,
 417            .help = "Overrides the \"compatible\" property of the dt root node",
 418        }, {
 419            .name = "dump-guest-core",
 420            .type = QEMU_OPT_BOOL,
 421            .help = "Include guest memory in  a core dump",
 422        }, {
 423            .name = "mem-merge",
 424            .type = QEMU_OPT_BOOL,
 425            .help = "enable/disable memory merge support",
 426        },{
 427            .name = "usb",
 428            .type = QEMU_OPT_BOOL,
 429            .help = "Set on/off to enable/disable usb",
 430        },
 431        { /* End of list */ }
 432    },
 433};
 434
 435static QemuOptsList qemu_boot_opts = {
 436    .name = "boot-opts",
 437    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
 438    .desc = {
 439        /* the three names below are not used now */
 440        {
 441            .name = "order",
 442            .type = QEMU_OPT_STRING,
 443        }, {
 444            .name = "once",
 445            .type = QEMU_OPT_STRING,
 446        }, {
 447            .name = "menu",
 448            .type = QEMU_OPT_STRING,
 449        /* following are really used */
 450        }, {
 451            .name = "splash",
 452            .type = QEMU_OPT_STRING,
 453        }, {
 454            .name = "splash-time",
 455            .type = QEMU_OPT_STRING,
 456        }, {
 457            .name = "reboot-timeout",
 458            .type = QEMU_OPT_STRING,
 459        },
 460        { /*End of list */ }
 461    },
 462};
 463
 464static QemuOptsList qemu_add_fd_opts = {
 465    .name = "add-fd",
 466    .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
 467    .desc = {
 468        {
 469            .name = "fd",
 470            .type = QEMU_OPT_NUMBER,
 471            .help = "file descriptor of which a duplicate is added to fd set",
 472        },{
 473            .name = "set",
 474            .type = QEMU_OPT_NUMBER,
 475            .help = "ID of the fd set to add fd to",
 476        },{
 477            .name = "opaque",
 478            .type = QEMU_OPT_STRING,
 479            .help = "free-form string used to describe fd",
 480        },
 481        { /* end of list */ }
 482    },
 483};
 484
 485static QemuOptsList qemu_object_opts = {
 486    .name = "object",
 487    .implied_opt_name = "qom-type",
 488    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
 489    .desc = {
 490        { }
 491    },
 492};
 493
 494const char *qemu_get_vm_name(void)
 495{
 496    return qemu_name;
 497}
 498
 499static void res_free(void)
 500{
 501    if (boot_splash_filedata != NULL) {
 502        g_free(boot_splash_filedata);
 503        boot_splash_filedata = NULL;
 504    }
 505}
 506
 507static int default_driver_check(QemuOpts *opts, void *opaque)
 508{
 509    const char *driver = qemu_opt_get(opts, "driver");
 510    int i;
 511
 512    if (!driver)
 513        return 0;
 514    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 515        if (strcmp(default_list[i].driver, driver) != 0)
 516            continue;
 517        *(default_list[i].flag) = 0;
 518    }
 519    return 0;
 520}
 521
 522/***********************************************************/
 523/* QEMU state */
 524
 525static RunState current_run_state = RUN_STATE_PRELAUNCH;
 526
 527typedef struct {
 528    RunState from;
 529    RunState to;
 530} RunStateTransition;
 531
 532static const RunStateTransition runstate_transitions_def[] = {
 533    /*     from      ->     to      */
 534    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 535
 536    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 537    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 538
 539    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 540    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 541
 542    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 543    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 544
 545    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 546    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 547
 548    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 549    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 550
 551    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 552    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 553    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 554
 555    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 556    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 557
 558    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 559
 560    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 561    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 562    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 563    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 564    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 565    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 566    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 567    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 568    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 569
 570    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 571
 572    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 573    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 574
 575    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 576    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 577    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 578    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 579
 580    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 581    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 582
 583    { RUN_STATE_MAX, RUN_STATE_MAX },
 584};
 585
 586static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 587
 588bool runstate_check(RunState state)
 589{
 590    return current_run_state == state;
 591}
 592
 593static void runstate_init(void)
 594{
 595    const RunStateTransition *p;
 596
 597    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 598
 599    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 600        runstate_valid_transitions[p->from][p->to] = true;
 601    }
 602}
 603
 604/* This function will abort() on invalid state transitions */
 605void runstate_set(RunState new_state)
 606{
 607    assert(new_state < RUN_STATE_MAX);
 608
 609    if (!runstate_valid_transitions[current_run_state][new_state]) {
 610        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 611                RunState_lookup[current_run_state],
 612                RunState_lookup[new_state]);
 613        abort();
 614    }
 615
 616    current_run_state = new_state;
 617}
 618
 619int runstate_is_running(void)
 620{
 621    return runstate_check(RUN_STATE_RUNNING);
 622}
 623
 624StatusInfo *qmp_query_status(Error **errp)
 625{
 626    StatusInfo *info = g_malloc0(sizeof(*info));
 627
 628    info->running = runstate_is_running();
 629    info->singlestep = singlestep;
 630    info->status = current_run_state;
 631
 632    return info;
 633}
 634
 635/***********************************************************/
 636/* real time host monotonic timer */
 637
 638/***********************************************************/
 639/* host time/date access */
 640void qemu_get_timedate(struct tm *tm, int offset)
 641{
 642    time_t ti;
 643
 644    time(&ti);
 645    ti += offset;
 646    if (rtc_date_offset == -1) {
 647        if (rtc_utc)
 648            gmtime_r(&ti, tm);
 649        else
 650            localtime_r(&ti, tm);
 651    } else {
 652        ti -= rtc_date_offset;
 653        gmtime_r(&ti, tm);
 654    }
 655}
 656
 657int qemu_timedate_diff(struct tm *tm)
 658{
 659    time_t seconds;
 660
 661    if (rtc_date_offset == -1)
 662        if (rtc_utc)
 663            seconds = mktimegm(tm);
 664        else {
 665            struct tm tmp = *tm;
 666            tmp.tm_isdst = -1; /* use timezone to figure it out */
 667            seconds = mktime(&tmp);
 668        }
 669    else
 670        seconds = mktimegm(tm) + rtc_date_offset;
 671
 672    return seconds - time(NULL);
 673}
 674
 675void rtc_change_mon_event(struct tm *tm)
 676{
 677    QObject *data;
 678
 679    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 680    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 681    qobject_decref(data);
 682}
 683
 684static void configure_rtc_date_offset(const char *startdate, int legacy)
 685{
 686    time_t rtc_start_date;
 687    struct tm tm;
 688
 689    if (!strcmp(startdate, "now") && legacy) {
 690        rtc_date_offset = -1;
 691    } else {
 692        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 693                   &tm.tm_year,
 694                   &tm.tm_mon,
 695                   &tm.tm_mday,
 696                   &tm.tm_hour,
 697                   &tm.tm_min,
 698                   &tm.tm_sec) == 6) {
 699            /* OK */
 700        } else if (sscanf(startdate, "%d-%d-%d",
 701                          &tm.tm_year,
 702                          &tm.tm_mon,
 703                          &tm.tm_mday) == 3) {
 704            tm.tm_hour = 0;
 705            tm.tm_min = 0;
 706            tm.tm_sec = 0;
 707        } else {
 708            goto date_fail;
 709        }
 710        tm.tm_year -= 1900;
 711        tm.tm_mon--;
 712        rtc_start_date = mktimegm(&tm);
 713        if (rtc_start_date == -1) {
 714        date_fail:
 715            fprintf(stderr, "Invalid date format. Valid formats are:\n"
 716                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
 717            exit(1);
 718        }
 719        rtc_date_offset = time(NULL) - rtc_start_date;
 720    }
 721}
 722
 723static void configure_rtc(QemuOpts *opts)
 724{
 725    const char *value;
 726
 727    value = qemu_opt_get(opts, "base");
 728    if (value) {
 729        if (!strcmp(value, "utc")) {
 730            rtc_utc = 1;
 731        } else if (!strcmp(value, "localtime")) {
 732            rtc_utc = 0;
 733        } else {
 734            configure_rtc_date_offset(value, 0);
 735        }
 736    }
 737    value = qemu_opt_get(opts, "clock");
 738    if (value) {
 739        if (!strcmp(value, "host")) {
 740            rtc_clock = host_clock;
 741        } else if (!strcmp(value, "rt")) {
 742            rtc_clock = rt_clock;
 743        } else if (!strcmp(value, "vm")) {
 744            rtc_clock = vm_clock;
 745        } else {
 746            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 747            exit(1);
 748        }
 749    }
 750    value = qemu_opt_get(opts, "driftfix");
 751    if (value) {
 752        if (!strcmp(value, "slew")) {
 753            static GlobalProperty slew_lost_ticks[] = {
 754                {
 755                    .driver   = "mc146818rtc",
 756                    .property = "lost_tick_policy",
 757                    .value    = "slew",
 758                },
 759                { /* end of list */ }
 760            };
 761
 762            qdev_prop_register_global_list(slew_lost_ticks);
 763        } else if (!strcmp(value, "none")) {
 764            /* discard is default */
 765        } else {
 766            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 767            exit(1);
 768        }
 769    }
 770}
 771
 772/***********************************************************/
 773/* Bluetooth support */
 774static int nb_hcis;
 775static int cur_hci;
 776static struct HCIInfo *hci_table[MAX_NICS];
 777
 778static struct bt_vlan_s {
 779    struct bt_scatternet_s net;
 780    int id;
 781    struct bt_vlan_s *next;
 782} *first_bt_vlan;
 783
 784/* find or alloc a new bluetooth "VLAN" */
 785static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 786{
 787    struct bt_vlan_s **pvlan, *vlan;
 788    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 789        if (vlan->id == id)
 790            return &vlan->net;
 791    }
 792    vlan = g_malloc0(sizeof(struct bt_vlan_s));
 793    vlan->id = id;
 794    pvlan = &first_bt_vlan;
 795    while (*pvlan != NULL)
 796        pvlan = &(*pvlan)->next;
 797    *pvlan = vlan;
 798    return &vlan->net;
 799}
 800
 801static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 802{
 803}
 804
 805static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 806{
 807    return -ENOTSUP;
 808}
 809
 810static struct HCIInfo null_hci = {
 811    .cmd_send = null_hci_send,
 812    .sco_send = null_hci_send,
 813    .acl_send = null_hci_send,
 814    .bdaddr_set = null_hci_addr_set,
 815};
 816
 817struct HCIInfo *qemu_next_hci(void)
 818{
 819    if (cur_hci == nb_hcis)
 820        return &null_hci;
 821
 822    return hci_table[cur_hci++];
 823}
 824
 825static struct HCIInfo *hci_init(const char *str)
 826{
 827    char *endp;
 828    struct bt_scatternet_s *vlan = 0;
 829
 830    if (!strcmp(str, "null"))
 831        /* null */
 832        return &null_hci;
 833    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 834        /* host[:hciN] */
 835        return bt_host_hci(str[4] ? str + 5 : "hci0");
 836    else if (!strncmp(str, "hci", 3)) {
 837        /* hci[,vlan=n] */
 838        if (str[3]) {
 839            if (!strncmp(str + 3, ",vlan=", 6)) {
 840                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 841                if (*endp)
 842                    vlan = 0;
 843            }
 844        } else
 845            vlan = qemu_find_bt_vlan(0);
 846        if (vlan)
 847           return bt_new_hci(vlan);
 848    }
 849
 850    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 851
 852    return 0;
 853}
 854
 855static int bt_hci_parse(const char *str)
 856{
 857    struct HCIInfo *hci;
 858    bdaddr_t bdaddr;
 859
 860    if (nb_hcis >= MAX_NICS) {
 861        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 862        return -1;
 863    }
 864
 865    hci = hci_init(str);
 866    if (!hci)
 867        return -1;
 868
 869    bdaddr.b[0] = 0x52;
 870    bdaddr.b[1] = 0x54;
 871    bdaddr.b[2] = 0x00;
 872    bdaddr.b[3] = 0x12;
 873    bdaddr.b[4] = 0x34;
 874    bdaddr.b[5] = 0x56 + nb_hcis;
 875    hci->bdaddr_set(hci, bdaddr.b);
 876
 877    hci_table[nb_hcis++] = hci;
 878
 879    return 0;
 880}
 881
 882static void bt_vhci_add(int vlan_id)
 883{
 884    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 885
 886    if (!vlan->slave)
 887        fprintf(stderr, "qemu: warning: adding a VHCI to "
 888                        "an empty scatternet %i\n", vlan_id);
 889
 890    bt_vhci_init(bt_new_hci(vlan));
 891}
 892
 893static struct bt_device_s *bt_device_add(const char *opt)
 894{
 895    struct bt_scatternet_s *vlan;
 896    int vlan_id = 0;
 897    char *endp = strstr(opt, ",vlan=");
 898    int len = (endp ? endp - opt : strlen(opt)) + 1;
 899    char devname[10];
 900
 901    pstrcpy(devname, MIN(sizeof(devname), len), opt);
 902
 903    if (endp) {
 904        vlan_id = strtol(endp + 6, &endp, 0);
 905        if (*endp) {
 906            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 907            return 0;
 908        }
 909    }
 910
 911    vlan = qemu_find_bt_vlan(vlan_id);
 912
 913    if (!vlan->slave)
 914        fprintf(stderr, "qemu: warning: adding a slave device to "
 915                        "an empty scatternet %i\n", vlan_id);
 916
 917    if (!strcmp(devname, "keyboard"))
 918        return bt_keyboard_init(vlan);
 919
 920    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 921    return 0;
 922}
 923
 924static int bt_parse(const char *opt)
 925{
 926    const char *endp, *p;
 927    int vlan;
 928
 929    if (strstart(opt, "hci", &endp)) {
 930        if (!*endp || *endp == ',') {
 931            if (*endp)
 932                if (!strstart(endp, ",vlan=", 0))
 933                    opt = endp + 1;
 934
 935            return bt_hci_parse(opt);
 936       }
 937    } else if (strstart(opt, "vhci", &endp)) {
 938        if (!*endp || *endp == ',') {
 939            if (*endp) {
 940                if (strstart(endp, ",vlan=", &p)) {
 941                    vlan = strtol(p, (char **) &endp, 0);
 942                    if (*endp) {
 943                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 944                        return 1;
 945                    }
 946                } else {
 947                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 948                    return 1;
 949                }
 950            } else
 951                vlan = 0;
 952
 953            bt_vhci_add(vlan);
 954            return 0;
 955        }
 956    } else if (strstart(opt, "device:", &endp))
 957        return !bt_device_add(endp);
 958
 959    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 960    return 1;
 961}
 962
 963static int parse_sandbox(QemuOpts *opts, void *opaque)
 964{
 965    /* FIXME: change this to true for 1.3 */
 966    if (qemu_opt_get_bool(opts, "enable", false)) {
 967#ifdef CONFIG_SECCOMP
 968        if (seccomp_start() < 0) {
 969            qerror_report(ERROR_CLASS_GENERIC_ERROR,
 970                          "failed to install seccomp syscall filter in the kernel");
 971            return -1;
 972        }
 973#else
 974        qerror_report(ERROR_CLASS_GENERIC_ERROR,
 975                      "sandboxing request but seccomp is not compiled into this build");
 976        return -1;
 977#endif
 978    }
 979
 980    return 0;
 981}
 982
 983/*********QEMU USB setting******/
 984bool usb_enabled(bool default_usb)
 985{
 986    QemuOpts *mach_opts;
 987    mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 988    if (mach_opts) {
 989        return qemu_opt_get_bool(mach_opts, "usb", default_usb);
 990    }
 991    return default_usb;
 992}
 993
 994#ifndef _WIN32
 995static int parse_add_fd(QemuOpts *opts, void *opaque)
 996{
 997    int fd, dupfd, flags;
 998    int64_t fdset_id;
 999    const char *fd_opaque = NULL;
1000
1001    fd = qemu_opt_get_number(opts, "fd", -1);
1002    fdset_id = qemu_opt_get_number(opts, "set", -1);
1003    fd_opaque = qemu_opt_get(opts, "opaque");
1004
1005    if (fd < 0) {
1006        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007                      "fd option is required and must be non-negative");
1008        return -1;
1009    }
1010
1011    if (fd <= STDERR_FILENO) {
1012        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013                      "fd cannot be a standard I/O stream");
1014        return -1;
1015    }
1016
1017    /*
1018     * All fds inherited across exec() necessarily have FD_CLOEXEC
1019     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1020     */
1021    flags = fcntl(fd, F_GETFD);
1022    if (flags == -1 || (flags & FD_CLOEXEC)) {
1023        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024                      "fd is not valid or already in use");
1025        return -1;
1026    }
1027
1028    if (fdset_id < 0) {
1029        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030                      "set option is required and must be non-negative");
1031        return -1;
1032    }
1033
1034#ifdef F_DUPFD_CLOEXEC
1035    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1036#else
1037    dupfd = dup(fd);
1038    if (dupfd != -1) {
1039        qemu_set_cloexec(dupfd);
1040    }
1041#endif
1042    if (dupfd == -1) {
1043        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044                      "Error duplicating fd: %s", strerror(errno));
1045        return -1;
1046    }
1047
1048    /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1050                         fd_opaque, NULL);
1051
1052    return 0;
1053}
1054
1055static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1056{
1057    int fd;
1058
1059    fd = qemu_opt_get_number(opts, "fd", -1);
1060    close(fd);
1061
1062    return 0;
1063}
1064#endif
1065
1066/***********************************************************/
1067/* QEMU Block devices */
1068
1069#define HD_OPTS "media=disk"
1070#define CDROM_OPTS "media=cdrom"
1071#define FD_OPTS ""
1072#define PFLASH_OPTS ""
1073#define MTD_OPTS ""
1074#define SD_OPTS ""
1075
1076static int drive_init_func(QemuOpts *opts, void *opaque)
1077{
1078    BlockInterfaceType *block_default_type = opaque;
1079
1080    return drive_init(opts, *block_default_type) == NULL;
1081}
1082
1083static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1084{
1085    if (NULL == qemu_opt_get(opts, "snapshot")) {
1086        qemu_opt_set(opts, "snapshot", "on");
1087    }
1088    return 0;
1089}
1090
1091static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1092                          int index, const char *optstr)
1093{
1094    QemuOpts *opts;
1095
1096    if (!enable || drive_get_by_index(type, index)) {
1097        return;
1098    }
1099
1100    opts = drive_add(type, index, NULL, optstr);
1101    if (snapshot) {
1102        drive_enable_snapshot(opts, NULL);
1103    }
1104    if (!drive_init(opts, type)) {
1105        exit(1);
1106    }
1107}
1108
1109void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1110{
1111    boot_set_handler = func;
1112    boot_set_opaque = opaque;
1113}
1114
1115int qemu_boot_set(const char *boot_devices)
1116{
1117    if (!boot_set_handler) {
1118        return -EINVAL;
1119    }
1120    return boot_set_handler(boot_set_opaque, boot_devices);
1121}
1122
1123static void validate_bootdevices(char *devices)
1124{
1125    /* We just do some generic consistency checks */
1126    const char *p;
1127    int bitmap = 0;
1128
1129    for (p = devices; *p != '\0'; p++) {
1130        /* Allowed boot devices are:
1131         * a-b: floppy disk drives
1132         * c-f: IDE disk drives
1133         * g-m: machine implementation dependent drives
1134         * n-p: network devices
1135         * It's up to each machine implementation to check if the given boot
1136         * devices match the actual hardware implementation and firmware
1137         * features.
1138         */
1139        if (*p < 'a' || *p > 'p') {
1140            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1141            exit(1);
1142        }
1143        if (bitmap & (1 << (*p - 'a'))) {
1144            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1145            exit(1);
1146        }
1147        bitmap |= 1 << (*p - 'a');
1148    }
1149}
1150
1151static void restore_boot_devices(void *opaque)
1152{
1153    char *standard_boot_devices = opaque;
1154    static int first = 1;
1155
1156    /* Restore boot order and remove ourselves after the first boot */
1157    if (first) {
1158        first = 0;
1159        return;
1160    }
1161
1162    qemu_boot_set(standard_boot_devices);
1163
1164    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1165    g_free(standard_boot_devices);
1166}
1167
1168void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1169                          const char *suffix)
1170{
1171    FWBootEntry *node, *i;
1172
1173    if (bootindex < 0) {
1174        return;
1175    }
1176
1177    assert(dev != NULL || suffix != NULL);
1178
1179    node = g_malloc0(sizeof(FWBootEntry));
1180    node->bootindex = bootindex;
1181    node->suffix = suffix ? g_strdup(suffix) : NULL;
1182    node->dev = dev;
1183
1184    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1185        if (i->bootindex == bootindex) {
1186            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1187            exit(1);
1188        } else if (i->bootindex < bootindex) {
1189            continue;
1190        }
1191        QTAILQ_INSERT_BEFORE(i, node, link);
1192        return;
1193    }
1194    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1195}
1196
1197/*
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1200 *
1201 * memory pointed by "size" is assigned total length of the array in bytes
1202 *
1203 */
1204char *get_boot_devices_list(size_t *size)
1205{
1206    FWBootEntry *i;
1207    size_t total = 0;
1208    char *list = NULL;
1209
1210    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1211        char *devpath = NULL, *bootpath;
1212        size_t len;
1213
1214        if (i->dev) {
1215            devpath = qdev_get_fw_dev_path(i->dev);
1216            assert(devpath);
1217        }
1218
1219        if (i->suffix && devpath) {
1220            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1221
1222            bootpath = g_malloc(bootpathlen);
1223            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1224            g_free(devpath);
1225        } else if (devpath) {
1226            bootpath = devpath;
1227        } else {
1228            assert(i->suffix);
1229            bootpath = g_strdup(i->suffix);
1230        }
1231
1232        if (total) {
1233            list[total-1] = '\n';
1234        }
1235        len = strlen(bootpath) + 1;
1236        list = g_realloc(list, total + len);
1237        memcpy(&list[total], bootpath, len);
1238        total += len;
1239        g_free(bootpath);
1240    }
1241
1242    *size = total;
1243
1244    return list;
1245}
1246
1247static void numa_node_parse_cpus(int nodenr, const char *cpus)
1248{
1249    char *endptr;
1250    unsigned long long value, endvalue;
1251
1252    /* Empty CPU range strings will be considered valid, they will simply
1253     * not set any bit in the CPU bitmap.
1254     */
1255    if (!*cpus) {
1256        return;
1257    }
1258
1259    if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1260        goto error;
1261    }
1262    if (*endptr == '-') {
1263        if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1264            goto error;
1265        }
1266    } else if (*endptr == '\0') {
1267        endvalue = value;
1268    } else {
1269        goto error;
1270    }
1271
1272    if (endvalue >= MAX_CPUMASK_BITS) {
1273        endvalue = MAX_CPUMASK_BITS - 1;
1274        fprintf(stderr,
1275            "qemu: NUMA: A max of %d VCPUs are supported\n",
1276             MAX_CPUMASK_BITS);
1277    }
1278
1279    if (endvalue < value) {
1280        goto error;
1281    }
1282
1283    bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1284    return;
1285
1286error:
1287    fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1288    exit(1);
1289}
1290
1291static void numa_add(const char *optarg)
1292{
1293    char option[128];
1294    char *endptr;
1295    unsigned long long nodenr;
1296
1297    optarg = get_opt_name(option, 128, optarg, ',');
1298    if (*optarg == ',') {
1299        optarg++;
1300    }
1301    if (!strcmp(option, "node")) {
1302
1303        if (nb_numa_nodes >= MAX_NODES) {
1304            fprintf(stderr, "qemu: too many NUMA nodes\n");
1305            exit(1);
1306        }
1307
1308        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1309            nodenr = nb_numa_nodes;
1310        } else {
1311            if (parse_uint_full(option, &nodenr, 10) < 0) {
1312                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1313                exit(1);
1314            }
1315        }
1316
1317        if (nodenr >= MAX_NODES) {
1318            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1319            exit(1);
1320        }
1321
1322        if (get_param_value(option, 128, "mem", optarg) == 0) {
1323            node_mem[nodenr] = 0;
1324        } else {
1325            int64_t sval;
1326            sval = strtosz(option, &endptr);
1327            if (sval < 0 || *endptr) {
1328                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1329                exit(1);
1330            }
1331            node_mem[nodenr] = sval;
1332        }
1333        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1334            numa_node_parse_cpus(nodenr, option);
1335        }
1336        nb_numa_nodes++;
1337    } else {
1338        fprintf(stderr, "Invalid -numa option: %s\n", option);
1339        exit(1);
1340    }
1341}
1342
1343static void smp_parse(const char *optarg)
1344{
1345    int smp, sockets = 0, threads = 0, cores = 0;
1346    char *endptr;
1347    char option[128];
1348
1349    smp = strtoul(optarg, &endptr, 10);
1350    if (endptr != optarg) {
1351        if (*endptr == ',') {
1352            endptr++;
1353        }
1354    }
1355    if (get_param_value(option, 128, "sockets", endptr) != 0)
1356        sockets = strtoull(option, NULL, 10);
1357    if (get_param_value(option, 128, "cores", endptr) != 0)
1358        cores = strtoull(option, NULL, 10);
1359    if (get_param_value(option, 128, "threads", endptr) != 0)
1360        threads = strtoull(option, NULL, 10);
1361    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1362        max_cpus = strtoull(option, NULL, 10);
1363
1364    /* compute missing values, prefer sockets over cores over threads */
1365    if (smp == 0 || sockets == 0) {
1366        sockets = sockets > 0 ? sockets : 1;
1367        cores = cores > 0 ? cores : 1;
1368        threads = threads > 0 ? threads : 1;
1369        if (smp == 0) {
1370            smp = cores * threads * sockets;
1371        }
1372    } else {
1373        if (cores == 0) {
1374            threads = threads > 0 ? threads : 1;
1375            cores = smp / (sockets * threads);
1376        } else {
1377            threads = smp / (cores * sockets);
1378        }
1379    }
1380    smp_cpus = smp;
1381    smp_cores = cores > 0 ? cores : 1;
1382    smp_threads = threads > 0 ? threads : 1;
1383    if (max_cpus == 0)
1384        max_cpus = smp_cpus;
1385}
1386
1387/***********************************************************/
1388/* USB devices */
1389
1390static int usb_device_add(const char *devname)
1391{
1392    const char *p;
1393    USBDevice *dev = NULL;
1394
1395    if (!usb_enabled(false)) {
1396        return -1;
1397    }
1398
1399    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400    dev = usbdevice_create(devname);
1401    if (dev)
1402        goto done;
1403
1404    /* the other ones */
1405#ifndef CONFIG_LINUX
1406    /* only the linux version is qdev-ified, usb-bsd still needs this */
1407    if (strstart(devname, "host:", &p)) {
1408        dev = usb_host_device_open(usb_bus_find(-1), p);
1409    } else
1410#endif
1411    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1412        dev = usb_bt_init(usb_bus_find(-1),
1413                          devname[2] ? hci_init(p)
1414                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1415    } else {
1416        return -1;
1417    }
1418    if (!dev)
1419        return -1;
1420
1421done:
1422    return 0;
1423}
1424
1425static int usb_device_del(const char *devname)
1426{
1427    int bus_num, addr;
1428    const char *p;
1429
1430    if (strstart(devname, "host:", &p))
1431        return usb_host_device_close(p);
1432
1433    if (!usb_enabled(false)) {
1434        return -1;
1435    }
1436
1437    p = strchr(devname, '.');
1438    if (!p)
1439        return -1;
1440    bus_num = strtoul(devname, NULL, 0);
1441    addr = strtoul(p + 1, NULL, 0);
1442
1443    return usb_device_delete_addr(bus_num, addr);
1444}
1445
1446static int usb_parse(const char *cmdline)
1447{
1448    int r;
1449    r = usb_device_add(cmdline);
1450    if (r < 0) {
1451        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1452    }
1453    return r;
1454}
1455
1456void do_usb_add(Monitor *mon, const QDict *qdict)
1457{
1458    const char *devname = qdict_get_str(qdict, "devname");
1459    if (usb_device_add(devname) < 0) {
1460        error_report("could not add USB device '%s'", devname);
1461    }
1462}
1463
1464void do_usb_del(Monitor *mon, const QDict *qdict)
1465{
1466    const char *devname = qdict_get_str(qdict, "devname");
1467    if (usb_device_del(devname) < 0) {
1468        error_report("could not delete USB device '%s'", devname);
1469    }
1470}
1471
1472/***********************************************************/
1473/* PCMCIA/Cardbus */
1474
1475static struct pcmcia_socket_entry_s {
1476    PCMCIASocket *socket;
1477    struct pcmcia_socket_entry_s *next;
1478} *pcmcia_sockets = 0;
1479
1480void pcmcia_socket_register(PCMCIASocket *socket)
1481{
1482    struct pcmcia_socket_entry_s *entry;
1483
1484    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1485    entry->socket = socket;
1486    entry->next = pcmcia_sockets;
1487    pcmcia_sockets = entry;
1488}
1489
1490void pcmcia_socket_unregister(PCMCIASocket *socket)
1491{
1492    struct pcmcia_socket_entry_s *entry, **ptr;
1493
1494    ptr = &pcmcia_sockets;
1495    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1496        if (entry->socket == socket) {
1497            *ptr = entry->next;
1498            g_free(entry);
1499        }
1500}
1501
1502void pcmcia_info(Monitor *mon, const QDict *qdict)
1503{
1504    struct pcmcia_socket_entry_s *iter;
1505
1506    if (!pcmcia_sockets)
1507        monitor_printf(mon, "No PCMCIA sockets\n");
1508
1509    for (iter = pcmcia_sockets; iter; iter = iter->next)
1510        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1511                       iter->socket->attached ? iter->socket->card_string :
1512                       "Empty");
1513}
1514
1515/***********************************************************/
1516/* machine registration */
1517
1518static QEMUMachine *first_machine = NULL;
1519QEMUMachine *current_machine = NULL;
1520
1521int qemu_register_machine(QEMUMachine *m)
1522{
1523    QEMUMachine **pm;
1524    pm = &first_machine;
1525    while (*pm != NULL)
1526        pm = &(*pm)->next;
1527    m->next = NULL;
1528    *pm = m;
1529    return 0;
1530}
1531
1532static QEMUMachine *find_machine(const char *name)
1533{
1534    QEMUMachine *m;
1535
1536    for(m = first_machine; m != NULL; m = m->next) {
1537        if (!strcmp(m->name, name))
1538            return m;
1539        if (m->alias && !strcmp(m->alias, name))
1540            return m;
1541    }
1542    return NULL;
1543}
1544
1545QEMUMachine *find_default_machine(void)
1546{
1547    QEMUMachine *m;
1548
1549    for(m = first_machine; m != NULL; m = m->next) {
1550        if (m->is_default) {
1551            return m;
1552        }
1553    }
1554    return NULL;
1555}
1556
1557MachineInfoList *qmp_query_machines(Error **errp)
1558{
1559    MachineInfoList *mach_list = NULL;
1560    QEMUMachine *m;
1561
1562    for (m = first_machine; m; m = m->next) {
1563        MachineInfoList *entry;
1564        MachineInfo *info;
1565
1566        info = g_malloc0(sizeof(*info));
1567        if (m->is_default) {
1568            info->has_is_default = true;
1569            info->is_default = true;
1570        }
1571
1572        if (m->alias) {
1573            info->has_alias = true;
1574            info->alias = g_strdup(m->alias);
1575        }
1576
1577        info->name = g_strdup(m->name);
1578
1579        entry = g_malloc0(sizeof(*entry));
1580        entry->value = info;
1581        entry->next = mach_list;
1582        mach_list = entry;
1583    }
1584
1585    return mach_list;
1586}
1587
1588/***********************************************************/
1589/* main execution loop */
1590
1591static void gui_update(void *opaque)
1592{
1593    uint64_t interval = GUI_REFRESH_INTERVAL;
1594    DisplayState *ds = opaque;
1595    DisplayChangeListener *dcl;
1596
1597    dpy_refresh(ds);
1598
1599    QLIST_FOREACH(dcl, &ds->listeners, next) {
1600        if (dcl->gui_timer_interval &&
1601            dcl->gui_timer_interval < interval)
1602            interval = dcl->gui_timer_interval;
1603    }
1604    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1605}
1606
1607void gui_setup_refresh(DisplayState *ds)
1608{
1609    DisplayChangeListener *dcl;
1610    bool need_timer = false;
1611    bool have_gfx = false;
1612    bool have_text = false;
1613
1614    QLIST_FOREACH(dcl, &ds->listeners, next) {
1615        if (dcl->dpy_refresh != NULL) {
1616            need_timer = true;
1617        }
1618        if (dcl->dpy_gfx_update != NULL) {
1619            have_gfx = true;
1620        }
1621        if (dcl->dpy_text_update != NULL) {
1622            have_text = true;
1623        }
1624    }
1625
1626    if (need_timer && ds->gui_timer == NULL) {
1627        ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1628        qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1629    }
1630    if (!need_timer && ds->gui_timer != NULL) {
1631        qemu_del_timer(ds->gui_timer);
1632        qemu_free_timer(ds->gui_timer);
1633        ds->gui_timer = NULL;
1634    }
1635
1636    ds->have_gfx = have_gfx;
1637    ds->have_text = have_text;
1638}
1639
1640struct vm_change_state_entry {
1641    VMChangeStateHandler *cb;
1642    void *opaque;
1643    QLIST_ENTRY (vm_change_state_entry) entries;
1644};
1645
1646static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1647
1648VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1649                                                     void *opaque)
1650{
1651    VMChangeStateEntry *e;
1652
1653    e = g_malloc0(sizeof (*e));
1654
1655    e->cb = cb;
1656    e->opaque = opaque;
1657    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1658    return e;
1659}
1660
1661void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1662{
1663    QLIST_REMOVE (e, entries);
1664    g_free (e);
1665}
1666
1667void vm_state_notify(int running, RunState state)
1668{
1669    VMChangeStateEntry *e;
1670
1671    trace_vm_state_notify(running, state);
1672
1673    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1674        e->cb(e->opaque, running, state);
1675    }
1676}
1677
1678void vm_start(void)
1679{
1680    if (!runstate_is_running()) {
1681        cpu_enable_ticks();
1682        runstate_set(RUN_STATE_RUNNING);
1683        vm_state_notify(1, RUN_STATE_RUNNING);
1684        resume_all_vcpus();
1685        monitor_protocol_event(QEVENT_RESUME, NULL);
1686    }
1687}
1688
1689/* reset/shutdown handler */
1690
1691typedef struct QEMUResetEntry {
1692    QTAILQ_ENTRY(QEMUResetEntry) entry;
1693    QEMUResetHandler *func;
1694    void *opaque;
1695} QEMUResetEntry;
1696
1697static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1698    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1699static int reset_requested;
1700static int shutdown_requested, shutdown_signal = -1;
1701static pid_t shutdown_pid;
1702static int powerdown_requested;
1703static int debug_requested;
1704static int suspend_requested;
1705static int wakeup_requested;
1706static NotifierList powerdown_notifiers =
1707    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1708static NotifierList suspend_notifiers =
1709    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1710static NotifierList wakeup_notifiers =
1711    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1712static uint32_t wakeup_reason_mask = ~0;
1713static RunState vmstop_requested = RUN_STATE_MAX;
1714
1715int qemu_shutdown_requested_get(void)
1716{
1717    return shutdown_requested;
1718}
1719
1720int qemu_reset_requested_get(void)
1721{
1722    return reset_requested;
1723}
1724
1725static int qemu_shutdown_requested(void)
1726{
1727    int r = shutdown_requested;
1728    shutdown_requested = 0;
1729    return r;
1730}
1731
1732static void qemu_kill_report(void)
1733{
1734    if (!qtest_enabled() && shutdown_signal != -1) {
1735        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1736        if (shutdown_pid == 0) {
1737            /* This happens for eg ^C at the terminal, so it's worth
1738             * avoiding printing an odd message in that case.
1739             */
1740            fputc('\n', stderr);
1741        } else {
1742            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1743        }
1744        shutdown_signal = -1;
1745    }
1746}
1747
1748static int qemu_reset_requested(void)
1749{
1750    int r = reset_requested;
1751    reset_requested = 0;
1752    return r;
1753}
1754
1755static int qemu_suspend_requested(void)
1756{
1757    int r = suspend_requested;
1758    suspend_requested = 0;
1759    return r;
1760}
1761
1762static int qemu_wakeup_requested(void)
1763{
1764    int r = wakeup_requested;
1765    wakeup_requested = 0;
1766    return r;
1767}
1768
1769static int qemu_powerdown_requested(void)
1770{
1771    int r = powerdown_requested;
1772    powerdown_requested = 0;
1773    return r;
1774}
1775
1776static int qemu_debug_requested(void)
1777{
1778    int r = debug_requested;
1779    debug_requested = 0;
1780    return r;
1781}
1782
1783/* We use RUN_STATE_MAX but any invalid value will do */
1784static bool qemu_vmstop_requested(RunState *r)
1785{
1786    if (vmstop_requested < RUN_STATE_MAX) {
1787        *r = vmstop_requested;
1788        vmstop_requested = RUN_STATE_MAX;
1789        return true;
1790    }
1791
1792    return false;
1793}
1794
1795void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1796{
1797    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1798
1799    re->func = func;
1800    re->opaque = opaque;
1801    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1802}
1803
1804void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1805{
1806    QEMUResetEntry *re;
1807
1808    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1809        if (re->func == func && re->opaque == opaque) {
1810            QTAILQ_REMOVE(&reset_handlers, re, entry);
1811            g_free(re);
1812            return;
1813        }
1814    }
1815}
1816
1817void qemu_devices_reset(void)
1818{
1819    QEMUResetEntry *re, *nre;
1820
1821    /* reset all devices */
1822    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1823        re->func(re->opaque);
1824    }
1825}
1826
1827void qemu_system_reset(bool report)
1828{
1829    if (current_machine && current_machine->reset) {
1830        current_machine->reset();
1831    } else {
1832        qemu_devices_reset();
1833    }
1834    if (report) {
1835        monitor_protocol_event(QEVENT_RESET, NULL);
1836    }
1837    cpu_synchronize_all_post_reset();
1838}
1839
1840void qemu_system_reset_request(void)
1841{
1842    if (no_reboot) {
1843        shutdown_requested = 1;
1844    } else {
1845        reset_requested = 1;
1846    }
1847    cpu_stop_current();
1848    qemu_notify_event();
1849}
1850
1851static void qemu_system_suspend(void)
1852{
1853    pause_all_vcpus();
1854    notifier_list_notify(&suspend_notifiers, NULL);
1855    runstate_set(RUN_STATE_SUSPENDED);
1856    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1857}
1858
1859void qemu_system_suspend_request(void)
1860{
1861    if (runstate_check(RUN_STATE_SUSPENDED)) {
1862        return;
1863    }
1864    suspend_requested = 1;
1865    cpu_stop_current();
1866    qemu_notify_event();
1867}
1868
1869void qemu_register_suspend_notifier(Notifier *notifier)
1870{
1871    notifier_list_add(&suspend_notifiers, notifier);
1872}
1873
1874void qemu_system_wakeup_request(WakeupReason reason)
1875{
1876    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1877        return;
1878    }
1879    if (!(wakeup_reason_mask & (1 << reason))) {
1880        return;
1881    }
1882    runstate_set(RUN_STATE_RUNNING);
1883    notifier_list_notify(&wakeup_notifiers, &reason);
1884    wakeup_requested = 1;
1885    qemu_notify_event();
1886}
1887
1888void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1889{
1890    if (enabled) {
1891        wakeup_reason_mask |= (1 << reason);
1892    } else {
1893        wakeup_reason_mask &= ~(1 << reason);
1894    }
1895}
1896
1897void qemu_register_wakeup_notifier(Notifier *notifier)
1898{
1899    notifier_list_add(&wakeup_notifiers, notifier);
1900}
1901
1902void qemu_system_killed(int signal, pid_t pid)
1903{
1904    shutdown_signal = signal;
1905    shutdown_pid = pid;
1906    no_shutdown = 0;
1907    qemu_system_shutdown_request();
1908}
1909
1910void qemu_system_shutdown_request(void)
1911{
1912    shutdown_requested = 1;
1913    qemu_notify_event();
1914}
1915
1916static void qemu_system_powerdown(void)
1917{
1918    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1919    notifier_list_notify(&powerdown_notifiers, NULL);
1920}
1921
1922void qemu_system_powerdown_request(void)
1923{
1924    powerdown_requested = 1;
1925    qemu_notify_event();
1926}
1927
1928void qemu_register_powerdown_notifier(Notifier *notifier)
1929{
1930    notifier_list_add(&powerdown_notifiers, notifier);
1931}
1932
1933void qemu_system_debug_request(void)
1934{
1935    debug_requested = 1;
1936    qemu_notify_event();
1937}
1938
1939void qemu_system_vmstop_request(RunState state)
1940{
1941    vmstop_requested = state;
1942    qemu_notify_event();
1943}
1944
1945static bool main_loop_should_exit(void)
1946{
1947    RunState r;
1948    if (qemu_debug_requested()) {
1949        vm_stop(RUN_STATE_DEBUG);
1950    }
1951    if (qemu_suspend_requested()) {
1952        qemu_system_suspend();
1953    }
1954    if (qemu_shutdown_requested()) {
1955        qemu_kill_report();
1956        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1957        if (no_shutdown) {
1958            vm_stop(RUN_STATE_SHUTDOWN);
1959        } else {
1960            return true;
1961        }
1962    }
1963    if (qemu_reset_requested()) {
1964        pause_all_vcpus();
1965        cpu_synchronize_all_states();
1966        qemu_system_reset(VMRESET_REPORT);
1967        resume_all_vcpus();
1968        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1969            runstate_check(RUN_STATE_SHUTDOWN)) {
1970            runstate_set(RUN_STATE_PAUSED);
1971        }
1972    }
1973    if (qemu_wakeup_requested()) {
1974        pause_all_vcpus();
1975        cpu_synchronize_all_states();
1976        qemu_system_reset(VMRESET_SILENT);
1977        resume_all_vcpus();
1978        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1979    }
1980    if (qemu_powerdown_requested()) {
1981        qemu_system_powerdown();
1982    }
1983    if (qemu_vmstop_requested(&r)) {
1984        vm_stop(r);
1985    }
1986    return false;
1987}
1988
1989static void main_loop(void)
1990{
1991    bool nonblocking;
1992    int last_io = 0;
1993#ifdef CONFIG_PROFILER
1994    int64_t ti;
1995#endif
1996    do {
1997        nonblocking = !kvm_enabled() && last_io > 0;
1998#ifdef CONFIG_PROFILER
1999        ti = profile_getclock();
2000#endif
2001        last_io = main_loop_wait(nonblocking);
2002#ifdef CONFIG_PROFILER
2003        dev_time += profile_getclock() - ti;
2004#endif
2005    } while (!main_loop_should_exit());
2006}
2007
2008static void version(void)
2009{
2010    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2011}
2012
2013static void help(int exitcode)
2014{
2015    version();
2016    printf("usage: %s [options] [disk_image]\n\n"
2017           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2018            error_get_progname());
2019
2020#define QEMU_OPTIONS_GENERATE_HELP
2021#include "qemu-options-wrapper.h"
2022
2023    printf("\nDuring emulation, the following keys are useful:\n"
2024           "ctrl-alt-f      toggle full screen\n"
2025           "ctrl-alt-n      switch to virtual console 'n'\n"
2026           "ctrl-alt        toggle mouse and keyboard grab\n"
2027           "\n"
2028           "When using -nographic, press 'ctrl-a h' to get some help.\n");
2029
2030    exit(exitcode);
2031}
2032
2033#define HAS_ARG 0x0001
2034
2035typedef struct QEMUOption {
2036    const char *name;
2037    int flags;
2038    int index;
2039    uint32_t arch_mask;
2040} QEMUOption;
2041
2042static const QEMUOption qemu_options[] = {
2043    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2044#define QEMU_OPTIONS_GENERATE_OPTIONS
2045#include "qemu-options-wrapper.h"
2046    { NULL },
2047};
2048
2049static bool vga_available(void)
2050{
2051    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2052}
2053
2054static bool cirrus_vga_available(void)
2055{
2056    return object_class_by_name("cirrus-vga")
2057           || object_class_by_name("isa-cirrus-vga");
2058}
2059
2060static bool vmware_vga_available(void)
2061{
2062    return object_class_by_name("vmware-svga");
2063}
2064
2065static bool qxl_vga_available(void)
2066{
2067    return object_class_by_name("qxl-vga");
2068}
2069
2070static void select_vgahw (const char *p)
2071{
2072    const char *opts;
2073
2074    vga_interface_type = VGA_NONE;
2075    if (strstart(p, "std", &opts)) {
2076        if (vga_available()) {
2077            vga_interface_type = VGA_STD;
2078        } else {
2079            fprintf(stderr, "Error: standard VGA not available\n");
2080            exit(0);
2081        }
2082    } else if (strstart(p, "cirrus", &opts)) {
2083        if (cirrus_vga_available()) {
2084            vga_interface_type = VGA_CIRRUS;
2085        } else {
2086            fprintf(stderr, "Error: Cirrus VGA not available\n");
2087            exit(0);
2088        }
2089    } else if (strstart(p, "vmware", &opts)) {
2090        if (vmware_vga_available()) {
2091            vga_interface_type = VGA_VMWARE;
2092        } else {
2093            fprintf(stderr, "Error: VMWare SVGA not available\n");
2094            exit(0);
2095        }
2096    } else if (strstart(p, "xenfb", &opts)) {
2097        vga_interface_type = VGA_XENFB;
2098    } else if (strstart(p, "qxl", &opts)) {
2099        if (qxl_vga_available()) {
2100            vga_interface_type = VGA_QXL;
2101        } else {
2102            fprintf(stderr, "Error: QXL VGA not available\n");
2103            exit(0);
2104        }
2105    } else if (!strstart(p, "none", &opts)) {
2106    invalid_vga:
2107        fprintf(stderr, "Unknown vga type: %s\n", p);
2108        exit(1);
2109    }
2110    while (*opts) {
2111        const char *nextopt;
2112
2113        if (strstart(opts, ",retrace=", &nextopt)) {
2114            opts = nextopt;
2115            if (strstart(opts, "dumb", &nextopt))
2116                vga_retrace_method = VGA_RETRACE_DUMB;
2117            else if (strstart(opts, "precise", &nextopt))
2118                vga_retrace_method = VGA_RETRACE_PRECISE;
2119            else goto invalid_vga;
2120        } else goto invalid_vga;
2121        opts = nextopt;
2122    }
2123}
2124
2125static DisplayType select_display(const char *p)
2126{
2127    const char *opts;
2128    DisplayType display = DT_DEFAULT;
2129
2130    if (strstart(p, "sdl", &opts)) {
2131#ifdef CONFIG_SDL
2132        display = DT_SDL;
2133        while (*opts) {
2134            const char *nextopt;
2135
2136            if (strstart(opts, ",frame=", &nextopt)) {
2137                opts = nextopt;
2138                if (strstart(opts, "on", &nextopt)) {
2139                    no_frame = 0;
2140                } else if (strstart(opts, "off", &nextopt)) {
2141                    no_frame = 1;
2142                } else {
2143                    goto invalid_sdl_args;
2144                }
2145            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2146                opts = nextopt;
2147                if (strstart(opts, "on", &nextopt)) {
2148                    alt_grab = 1;
2149                } else if (strstart(opts, "off", &nextopt)) {
2150                    alt_grab = 0;
2151                } else {
2152                    goto invalid_sdl_args;
2153                }
2154            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2155                opts = nextopt;
2156                if (strstart(opts, "on", &nextopt)) {
2157                    ctrl_grab = 1;
2158                } else if (strstart(opts, "off", &nextopt)) {
2159                    ctrl_grab = 0;
2160                } else {
2161                    goto invalid_sdl_args;
2162                }
2163            } else if (strstart(opts, ",window_close=", &nextopt)) {
2164                opts = nextopt;
2165                if (strstart(opts, "on", &nextopt)) {
2166                    no_quit = 0;
2167                } else if (strstart(opts, "off", &nextopt)) {
2168                    no_quit = 1;
2169                } else {
2170                    goto invalid_sdl_args;
2171                }
2172            } else {
2173            invalid_sdl_args:
2174                fprintf(stderr, "Invalid SDL option string: %s\n", p);
2175                exit(1);
2176            }
2177            opts = nextopt;
2178        }
2179#else
2180        fprintf(stderr, "SDL support is disabled\n");
2181        exit(1);
2182#endif
2183    } else if (strstart(p, "vnc", &opts)) {
2184#ifdef CONFIG_VNC
2185        display_remote++;
2186
2187        if (*opts) {
2188            const char *nextopt;
2189
2190            if (strstart(opts, "=", &nextopt)) {
2191                vnc_display = nextopt;
2192            }
2193        }
2194        if (!vnc_display) {
2195            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2196            exit(1);
2197        }
2198#else
2199        fprintf(stderr, "VNC support is disabled\n");
2200        exit(1);
2201#endif
2202    } else if (strstart(p, "curses", &opts)) {
2203#ifdef CONFIG_CURSES
2204        display = DT_CURSES;
2205#else
2206        fprintf(stderr, "Curses support is disabled\n");
2207        exit(1);
2208#endif
2209    } else if (strstart(p, "none", &opts)) {
2210        display = DT_NONE;
2211    } else {
2212        fprintf(stderr, "Unknown display type: %s\n", p);
2213        exit(1);
2214    }
2215
2216    return display;
2217}
2218
2219static int balloon_parse(const char *arg)
2220{
2221    QemuOpts *opts;
2222
2223    if (strcmp(arg, "none") == 0) {
2224        return 0;
2225    }
2226
2227    if (!strncmp(arg, "virtio", 6)) {
2228        if (arg[6] == ',') {
2229            /* have params -> parse them */
2230            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2231            if (!opts)
2232                return  -1;
2233        } else {
2234            /* create empty opts */
2235            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2236        }
2237        qemu_opt_set(opts, "driver", "virtio-balloon");
2238        return 0;
2239    }
2240
2241    return -1;
2242}
2243
2244char *qemu_find_file(int type, const char *name)
2245{
2246    int len;
2247    const char *subdir;
2248    char *buf;
2249
2250    /* Try the name as a straight path first */
2251    if (access(name, R_OK) == 0) {
2252        return g_strdup(name);
2253    }
2254    switch (type) {
2255    case QEMU_FILE_TYPE_BIOS:
2256        subdir = "";
2257        break;
2258    case QEMU_FILE_TYPE_KEYMAP:
2259        subdir = "keymaps/";
2260        break;
2261    default:
2262        abort();
2263    }
2264    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2265    buf = g_malloc0(len);
2266    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2267    if (access(buf, R_OK)) {
2268        g_free(buf);
2269        return NULL;
2270    }
2271    return buf;
2272}
2273
2274static int device_help_func(QemuOpts *opts, void *opaque)
2275{
2276    return qdev_device_help(opts);
2277}
2278
2279static int device_init_func(QemuOpts *opts, void *opaque)
2280{
2281    DeviceState *dev;
2282
2283    dev = qdev_device_add(opts);
2284    if (!dev)
2285        return -1;
2286    object_unref(OBJECT(dev));
2287    return 0;
2288}
2289
2290static int chardev_init_func(QemuOpts *opts, void *opaque)
2291{
2292    Error *local_err = NULL;
2293
2294    qemu_chr_new_from_opts(opts, NULL, &local_err);
2295    if (error_is_set(&local_err)) {
2296        fprintf(stderr, "%s\n", error_get_pretty(local_err));
2297        error_free(local_err);
2298        return -1;
2299    }
2300    return 0;
2301}
2302
2303#ifdef CONFIG_VIRTFS
2304static int fsdev_init_func(QemuOpts *opts, void *opaque)
2305{
2306    int ret;
2307    ret = qemu_fsdev_add(opts);
2308
2309    return ret;
2310}
2311#endif
2312
2313static int mon_init_func(QemuOpts *opts, void *opaque)
2314{
2315    CharDriverState *chr;
2316    const char *chardev;
2317    const char *mode;
2318    int flags;
2319
2320    mode = qemu_opt_get(opts, "mode");
2321    if (mode == NULL) {
2322        mode = "readline";
2323    }
2324    if (strcmp(mode, "readline") == 0) {
2325        flags = MONITOR_USE_READLINE;
2326    } else if (strcmp(mode, "control") == 0) {
2327        flags = MONITOR_USE_CONTROL;
2328    } else {
2329        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2330        exit(1);
2331    }
2332
2333    if (qemu_opt_get_bool(opts, "pretty", 0))
2334        flags |= MONITOR_USE_PRETTY;
2335
2336    if (qemu_opt_get_bool(opts, "default", 0))
2337        flags |= MONITOR_IS_DEFAULT;
2338
2339    chardev = qemu_opt_get(opts, "chardev");
2340    chr = qemu_chr_find(chardev);
2341    if (chr == NULL) {
2342        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2343        exit(1);
2344    }
2345
2346    monitor_init(chr, flags);
2347    return 0;
2348}
2349
2350static void monitor_parse(const char *optarg, const char *mode)
2351{
2352    static int monitor_device_index = 0;
2353    QemuOpts *opts;
2354    const char *p;
2355    char label[32];
2356    int def = 0;
2357
2358    if (strstart(optarg, "chardev:", &p)) {
2359        snprintf(label, sizeof(label), "%s", p);
2360    } else {
2361        snprintf(label, sizeof(label), "compat_monitor%d",
2362                 monitor_device_index);
2363        if (monitor_device_index == 0) {
2364            def = 1;
2365        }
2366        opts = qemu_chr_parse_compat(label, optarg);
2367        if (!opts) {
2368            fprintf(stderr, "parse error: %s\n", optarg);
2369            exit(1);
2370        }
2371    }
2372
2373    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2374    if (!opts) {
2375        fprintf(stderr, "duplicate chardev: %s\n", label);
2376        exit(1);
2377    }
2378    qemu_opt_set(opts, "mode", mode);
2379    qemu_opt_set(opts, "chardev", label);
2380    if (def)
2381        qemu_opt_set(opts, "default", "on");
2382    monitor_device_index++;
2383}
2384
2385struct device_config {
2386    enum {
2387        DEV_USB,       /* -usbdevice     */
2388        DEV_BT,        /* -bt            */
2389        DEV_SERIAL,    /* -serial        */
2390        DEV_PARALLEL,  /* -parallel      */
2391        DEV_VIRTCON,   /* -virtioconsole */
2392        DEV_DEBUGCON,  /* -debugcon */
2393        DEV_GDB,       /* -gdb, -s */
2394        DEV_SCLP,      /* s390 sclp */
2395    } type;
2396    const char *cmdline;
2397    Location loc;
2398    QTAILQ_ENTRY(device_config) next;
2399};
2400
2401static QTAILQ_HEAD(, device_config) device_configs =
2402    QTAILQ_HEAD_INITIALIZER(device_configs);
2403
2404static void add_device_config(int type, const char *cmdline)
2405{
2406    struct device_config *conf;
2407
2408    conf = g_malloc0(sizeof(*conf));
2409    conf->type = type;
2410    conf->cmdline = cmdline;
2411    loc_save(&conf->loc);
2412    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2413}
2414
2415static int foreach_device_config(int type, int (*func)(const char *cmdline))
2416{
2417    struct device_config *conf;
2418    int rc;
2419
2420    QTAILQ_FOREACH(conf, &device_configs, next) {
2421        if (conf->type != type)
2422            continue;
2423        loc_push_restore(&conf->loc);
2424        rc = func(conf->cmdline);
2425        loc_pop(&conf->loc);
2426        if (0 != rc)
2427            return rc;
2428    }
2429    return 0;
2430}
2431
2432static int serial_parse(const char *devname)
2433{
2434    static int index = 0;
2435    char label[32];
2436
2437    if (strcmp(devname, "none") == 0)
2438        return 0;
2439    if (index == MAX_SERIAL_PORTS) {
2440        fprintf(stderr, "qemu: too many serial ports\n");
2441        exit(1);
2442    }
2443    snprintf(label, sizeof(label), "serial%d", index);
2444    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2445    if (!serial_hds[index]) {
2446        fprintf(stderr, "qemu: could not connect serial device"
2447                " to character backend '%s'\n", devname);
2448        return -1;
2449    }
2450    index++;
2451    return 0;
2452}
2453
2454static int parallel_parse(const char *devname)
2455{
2456    static int index = 0;
2457    char label[32];
2458
2459    if (strcmp(devname, "none") == 0)
2460        return 0;
2461    if (index == MAX_PARALLEL_PORTS) {
2462        fprintf(stderr, "qemu: too many parallel ports\n");
2463        exit(1);
2464    }
2465    snprintf(label, sizeof(label), "parallel%d", index);
2466    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2467    if (!parallel_hds[index]) {
2468        fprintf(stderr, "qemu: could not connect parallel device"
2469                " to character backend '%s'\n", devname);
2470        return -1;
2471    }
2472    index++;
2473    return 0;
2474}
2475
2476static int virtcon_parse(const char *devname)
2477{
2478    QemuOptsList *device = qemu_find_opts("device");
2479    static int index = 0;
2480    char label[32];
2481    QemuOpts *bus_opts, *dev_opts;
2482
2483    if (strcmp(devname, "none") == 0)
2484        return 0;
2485    if (index == MAX_VIRTIO_CONSOLES) {
2486        fprintf(stderr, "qemu: too many virtio consoles\n");
2487        exit(1);
2488    }
2489
2490    bus_opts = qemu_opts_create_nofail(device);
2491    if (arch_type == QEMU_ARCH_S390X) {
2492        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2493    } else {
2494        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2495    } 
2496
2497    dev_opts = qemu_opts_create_nofail(device);
2498    qemu_opt_set(dev_opts, "driver", "virtconsole");
2499
2500    snprintf(label, sizeof(label), "virtcon%d", index);
2501    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2502    if (!virtcon_hds[index]) {
2503        fprintf(stderr, "qemu: could not connect virtio console"
2504                " to character backend '%s'\n", devname);
2505        return -1;
2506    }
2507    qemu_opt_set(dev_opts, "chardev", label);
2508
2509    index++;
2510    return 0;
2511}
2512
2513static int sclp_parse(const char *devname)
2514{
2515    QemuOptsList *device = qemu_find_opts("device");
2516    static int index = 0;
2517    char label[32];
2518    QemuOpts *dev_opts;
2519
2520    if (strcmp(devname, "none") == 0) {
2521        return 0;
2522    }
2523    if (index == MAX_SCLP_CONSOLES) {
2524        fprintf(stderr, "qemu: too many sclp consoles\n");
2525        exit(1);
2526    }
2527
2528    assert(arch_type == QEMU_ARCH_S390X);
2529
2530    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2531    qemu_opt_set(dev_opts, "driver", "sclpconsole");
2532
2533    snprintf(label, sizeof(label), "sclpcon%d", index);
2534    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2535    if (!sclp_hds[index]) {
2536        fprintf(stderr, "qemu: could not connect sclp console"
2537                " to character backend '%s'\n", devname);
2538        return -1;
2539    }
2540    qemu_opt_set(dev_opts, "chardev", label);
2541
2542    index++;
2543    return 0;
2544}
2545
2546static int debugcon_parse(const char *devname)
2547{   
2548    QemuOpts *opts;
2549
2550    if (!qemu_chr_new("debugcon", devname, NULL)) {
2551        exit(1);
2552    }
2553    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2554    if (!opts) {
2555        fprintf(stderr, "qemu: already have a debugcon device\n");
2556        exit(1);
2557    }
2558    qemu_opt_set(opts, "driver", "isa-debugcon");
2559    qemu_opt_set(opts, "chardev", "debugcon");
2560    return 0;
2561}
2562
2563static QEMUMachine *machine_parse(const char *name)
2564{
2565    QEMUMachine *m, *machine = NULL;
2566
2567    if (name) {
2568        machine = find_machine(name);
2569    }
2570    if (machine) {
2571        return machine;
2572    }
2573    printf("Supported machines are:\n");
2574    for (m = first_machine; m != NULL; m = m->next) {
2575        if (m->alias) {
2576            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2577        }
2578        printf("%-20s %s%s\n", m->name, m->desc,
2579               m->is_default ? " (default)" : "");
2580    }
2581    exit(!name || !is_help_option(name));
2582}
2583
2584static int tcg_init(void)
2585{
2586    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2587    return 0;
2588}
2589
2590static struct {
2591    const char *opt_name;
2592    const char *name;
2593    int (*available)(void);
2594    int (*init)(void);
2595    bool *allowed;
2596} accel_list[] = {
2597    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2598    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2599    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2600    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2601};
2602
2603static int configure_accelerator(void)
2604{
2605    const char *p = NULL;
2606    char buf[10];
2607    int i, ret;
2608    bool accel_initialised = false;
2609    bool init_failed = false;
2610
2611    QemuOptsList *list = qemu_find_opts("machine");
2612    if (!QTAILQ_EMPTY(&list->head)) {
2613        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2614    }
2615
2616    if (p == NULL) {
2617        /* Use the default "accelerator", tcg */
2618        p = "tcg";
2619    }
2620
2621    while (!accel_initialised && *p != '\0') {
2622        if (*p == ':') {
2623            p++;
2624        }
2625        p = get_opt_name(buf, sizeof (buf), p, ':');
2626        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2627            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2628                if (!accel_list[i].available()) {
2629                    printf("%s not supported for this target\n",
2630                           accel_list[i].name);
2631                    continue;
2632                }
2633                *(accel_list[i].allowed) = true;
2634                ret = accel_list[i].init();
2635                if (ret < 0) {
2636                    init_failed = true;
2637                    fprintf(stderr, "failed to initialize %s: %s\n",
2638                            accel_list[i].name,
2639                            strerror(-ret));
2640                    *(accel_list[i].allowed) = false;
2641                } else {
2642                    accel_initialised = true;
2643                }
2644                break;
2645            }
2646        }
2647        if (i == ARRAY_SIZE(accel_list)) {
2648            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2649        }
2650    }
2651
2652    if (!accel_initialised) {
2653        if (!init_failed) {
2654            fprintf(stderr, "No accelerator found!\n");
2655        }
2656        exit(1);
2657    }
2658
2659    if (init_failed) {
2660        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2661    }
2662
2663    return !accel_initialised;
2664}
2665
2666void qemu_add_exit_notifier(Notifier *notify)
2667{
2668    notifier_list_add(&exit_notifiers, notify);
2669}
2670
2671void qemu_remove_exit_notifier(Notifier *notify)
2672{
2673    notifier_remove(notify);
2674}
2675
2676static void qemu_run_exit_notifiers(void)
2677{
2678    notifier_list_notify(&exit_notifiers, NULL);
2679}
2680
2681void qemu_add_machine_init_done_notifier(Notifier *notify)
2682{
2683    notifier_list_add(&machine_init_done_notifiers, notify);
2684}
2685
2686static void qemu_run_machine_init_done_notifiers(void)
2687{
2688    notifier_list_notify(&machine_init_done_notifiers, NULL);
2689}
2690
2691static const QEMUOption *lookup_opt(int argc, char **argv,
2692                                    const char **poptarg, int *poptind)
2693{
2694    const QEMUOption *popt;
2695    int optind = *poptind;
2696    char *r = argv[optind];
2697    const char *optarg;
2698
2699    loc_set_cmdline(argv, optind, 1);
2700    optind++;
2701    /* Treat --foo the same as -foo.  */
2702    if (r[1] == '-')
2703        r++;
2704    popt = qemu_options;
2705    for(;;) {
2706        if (!popt->name) {
2707            error_report("invalid option");
2708            exit(1);
2709        }
2710        if (!strcmp(popt->name, r + 1))
2711            break;
2712        popt++;
2713    }
2714    if (popt->flags & HAS_ARG) {
2715        if (optind >= argc) {
2716            error_report("requires an argument");
2717            exit(1);
2718        }
2719        optarg = argv[optind++];
2720        loc_set_cmdline(argv, optind - 2, 2);
2721    } else {
2722        optarg = NULL;
2723    }
2724
2725    *poptarg = optarg;
2726    *poptind = optind;
2727
2728    return popt;
2729}
2730
2731static gpointer malloc_and_trace(gsize n_bytes)
2732{
2733    void *ptr = malloc(n_bytes);
2734    trace_g_malloc(n_bytes, ptr);
2735    return ptr;
2736}
2737
2738static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2739{
2740    void *ptr = realloc(mem, n_bytes);
2741    trace_g_realloc(mem, n_bytes, ptr);
2742    return ptr;
2743}
2744
2745static void free_and_trace(gpointer mem)
2746{
2747    trace_g_free(mem);
2748    free(mem);
2749}
2750
2751static int object_set_property(const char *name, const char *value, void *opaque)
2752{
2753    Object *obj = OBJECT(opaque);
2754    StringInputVisitor *siv;
2755    Error *local_err = NULL;
2756
2757    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2758        return 0;
2759    }
2760
2761    siv = string_input_visitor_new(value);
2762    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2763    string_input_visitor_cleanup(siv);
2764
2765    if (local_err) {
2766        qerror_report_err(local_err);
2767        error_free(local_err);
2768        return -1;
2769    }
2770
2771    return 0;
2772}
2773
2774static int object_create(QemuOpts *opts, void *opaque)
2775{
2776    const char *type = qemu_opt_get(opts, "qom-type");
2777    const char *id = qemu_opts_id(opts);
2778    Object *obj;
2779
2780    g_assert(type != NULL);
2781
2782    if (id == NULL) {
2783        qerror_report(QERR_MISSING_PARAMETER, "id");
2784        return -1;
2785    }
2786
2787    obj = object_new(type);
2788    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2789        return -1;
2790    }
2791
2792    object_property_add_child(container_get(object_get_root(), "/objects"),
2793                              id, obj, NULL);
2794
2795    return 0;
2796}
2797
2798int main(int argc, char **argv, char **envp)
2799{
2800    int i;
2801    int snapshot, linux_boot;
2802    const char *icount_option = NULL;
2803    const char *initrd_filename;
2804    const char *kernel_filename, *kernel_cmdline;
2805    char boot_devices[33] = "";
2806    DisplayState *ds;
2807    int cyls, heads, secs, translation;
2808    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2809    QemuOptsList *olist;
2810    int optind;
2811    const char *optarg;
2812    const char *loadvm = NULL;
2813    QEMUMachine *machine;
2814    const char *cpu_model;
2815    const char *vga_model = "none";
2816    const char *pid_file = NULL;
2817    const char *incoming = NULL;
2818#ifdef CONFIG_VNC
2819    int show_vnc_port = 0;
2820#endif
2821    bool defconfig = true;
2822    bool userconfig = true;
2823    const char *log_mask = NULL;
2824    const char *log_file = NULL;
2825    GMemVTable mem_trace = {
2826        .malloc = malloc_and_trace,
2827        .realloc = realloc_and_trace,
2828        .free = free_and_trace,
2829    };
2830    const char *trace_events = NULL;
2831    const char *trace_file = NULL;
2832
2833    atexit(qemu_run_exit_notifiers);
2834    error_set_progname(argv[0]);
2835
2836    g_mem_set_vtable(&mem_trace);
2837    if (!g_thread_supported()) {
2838#if !GLIB_CHECK_VERSION(2, 31, 0)
2839        g_thread_init(NULL);
2840#else
2841        fprintf(stderr, "glib threading failed to initialize.\n");
2842        exit(1);
2843#endif
2844    }
2845
2846    module_call_init(MODULE_INIT_QOM);
2847
2848    qemu_add_opts(&qemu_drive_opts);
2849    qemu_add_opts(&qemu_chardev_opts);
2850    qemu_add_opts(&qemu_device_opts);
2851    qemu_add_opts(&qemu_netdev_opts);
2852    qemu_add_opts(&qemu_net_opts);
2853    qemu_add_opts(&qemu_rtc_opts);
2854    qemu_add_opts(&qemu_global_opts);
2855    qemu_add_opts(&qemu_mon_opts);
2856    qemu_add_opts(&qemu_trace_opts);
2857    qemu_add_opts(&qemu_option_rom_opts);
2858    qemu_add_opts(&qemu_machine_opts);
2859    qemu_add_opts(&qemu_boot_opts);
2860    qemu_add_opts(&qemu_sandbox_opts);
2861    qemu_add_opts(&qemu_add_fd_opts);
2862    qemu_add_opts(&qemu_object_opts);
2863
2864    runstate_init();
2865
2866    init_clocks();
2867    rtc_clock = host_clock;
2868
2869    qemu_cache_utils_init(envp);
2870
2871    QLIST_INIT (&vm_change_state_head);
2872    os_setup_early_signal_handling();
2873
2874    module_call_init(MODULE_INIT_MACHINE);
2875    machine = find_default_machine();
2876    cpu_model = NULL;
2877    ram_size = 0;
2878    snapshot = 0;
2879    cyls = heads = secs = 0;
2880    translation = BIOS_ATA_TRANSLATION_AUTO;
2881
2882    for (i = 0; i < MAX_NODES; i++) {
2883        node_mem[i] = 0;
2884        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2885    }
2886
2887    nb_numa_nodes = 0;
2888    nb_nics = 0;
2889
2890    autostart= 1;
2891
2892    /* first pass of option parsing */
2893    optind = 1;
2894    while (optind < argc) {
2895        if (argv[optind][0] != '-') {
2896            /* disk image */
2897            optind++;
2898            continue;
2899        } else {
2900            const QEMUOption *popt;
2901
2902            popt = lookup_opt(argc, argv, &optarg, &optind);
2903            switch (popt->index) {
2904            case QEMU_OPTION_nodefconfig:
2905                defconfig = false;
2906                break;
2907            case QEMU_OPTION_nouserconfig:
2908                userconfig = false;
2909                break;
2910            }
2911        }
2912    }
2913
2914    if (defconfig) {
2915        int ret;
2916        ret = qemu_read_default_config_files(userconfig);
2917        if (ret < 0) {
2918            exit(1);
2919        }
2920    }
2921
2922    /* second pass of option parsing */
2923    optind = 1;
2924    for(;;) {
2925        if (optind >= argc)
2926            break;
2927        if (argv[optind][0] != '-') {
2928            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2929        } else {
2930            const QEMUOption *popt;
2931
2932            popt = lookup_opt(argc, argv, &optarg, &optind);
2933            if (!(popt->arch_mask & arch_type)) {
2934                printf("Option %s not supported for this target\n", popt->name);
2935                exit(1);
2936            }
2937            switch(popt->index) {
2938            case QEMU_OPTION_M:
2939                machine = machine_parse(optarg);
2940                break;
2941            case QEMU_OPTION_no_kvm_irqchip: {
2942                olist = qemu_find_opts("machine");
2943                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2944                break;
2945            }
2946            case QEMU_OPTION_cpu:
2947                /* hw initialization will check this */
2948                cpu_model = optarg;
2949                break;
2950            case QEMU_OPTION_hda:
2951                {
2952                    char buf[256];
2953                    if (cyls == 0)
2954                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2955                    else
2956                        snprintf(buf, sizeof(buf),
2957                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2958                                 HD_OPTS , cyls, heads, secs,
2959                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2960                                 ",trans=lba" :
2961                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2962                                 ",trans=none" : "");
2963                    drive_add(IF_DEFAULT, 0, optarg, buf);
2964                    break;
2965                }
2966            case QEMU_OPTION_hdb:
2967            case QEMU_OPTION_hdc:
2968            case QEMU_OPTION_hdd:
2969                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2970                          HD_OPTS);
2971                break;
2972            case QEMU_OPTION_drive:
2973                if (drive_def(optarg) == NULL) {
2974                    exit(1);
2975                }
2976                break;
2977            case QEMU_OPTION_set:
2978                if (qemu_set_option(optarg) != 0)
2979                    exit(1);
2980                break;
2981            case QEMU_OPTION_global:
2982                if (qemu_global_option(optarg) != 0)
2983                    exit(1);
2984                break;
2985            case QEMU_OPTION_mtdblock:
2986                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2987                break;
2988            case QEMU_OPTION_sd:
2989                drive_add(IF_SD, 0, optarg, SD_OPTS);
2990                break;
2991            case QEMU_OPTION_pflash:
2992                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2993                break;
2994            case QEMU_OPTION_snapshot:
2995                snapshot = 1;
2996                break;
2997            case QEMU_OPTION_hdachs:
2998                {
2999                    const char *p;
3000                    p = optarg;
3001                    cyls = strtol(p, (char **)&p, 0);
3002                    if (cyls < 1 || cyls > 16383)
3003                        goto chs_fail;
3004                    if (*p != ',')
3005                        goto chs_fail;
3006                    p++;
3007                    heads = strtol(p, (char **)&p, 0);
3008                    if (heads < 1 || heads > 16)
3009                        goto chs_fail;
3010                    if (*p != ',')
3011                        goto chs_fail;
3012                    p++;
3013                    secs = strtol(p, (char **)&p, 0);
3014                    if (secs < 1 || secs > 63)
3015                        goto chs_fail;
3016                    if (*p == ',') {
3017                        p++;
3018                        if (!strcmp(p, "none"))
3019                            translation = BIOS_ATA_TRANSLATION_NONE;
3020                        else if (!strcmp(p, "lba"))
3021                            translation = BIOS_ATA_TRANSLATION_LBA;
3022                        else if (!strcmp(p, "auto"))
3023                            translation = BIOS_ATA_TRANSLATION_AUTO;
3024                        else
3025                            goto chs_fail;
3026                    } else if (*p != '\0') {
3027                    chs_fail:
3028                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3029                        exit(1);
3030                    }
3031                    if (hda_opts != NULL) {
3032                        char num[16];
3033                        snprintf(num, sizeof(num), "%d", cyls);
3034                        qemu_opt_set(hda_opts, "cyls", num);
3035                        snprintf(num, sizeof(num), "%d", heads);
3036                        qemu_opt_set(hda_opts, "heads", num);
3037                        snprintf(num, sizeof(num), "%d", secs);
3038                        qemu_opt_set(hda_opts, "secs", num);
3039                        if (translation == BIOS_ATA_TRANSLATION_LBA)
3040                            qemu_opt_set(hda_opts, "trans", "lba");
3041                        if (translation == BIOS_ATA_TRANSLATION_NONE)
3042                            qemu_opt_set(hda_opts, "trans", "none");
3043                    }
3044                }
3045                break;
3046            case QEMU_OPTION_numa:
3047                numa_add(optarg);
3048                break;
3049            case QEMU_OPTION_display:
3050                display_type = select_display(optarg);
3051                break;
3052            case QEMU_OPTION_nographic:
3053                display_type = DT_NOGRAPHIC;
3054                break;
3055            case QEMU_OPTION_curses:
3056#ifdef CONFIG_CURSES
3057                display_type = DT_CURSES;
3058#else
3059                fprintf(stderr, "Curses support is disabled\n");
3060                exit(1);
3061#endif
3062                break;
3063            case QEMU_OPTION_portrait:
3064                graphic_rotate = 90;
3065                break;
3066            case QEMU_OPTION_rotate:
3067                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3068                if (graphic_rotate != 0 && graphic_rotate != 90 &&
3069                    graphic_rotate != 180 && graphic_rotate != 270) {
3070                    fprintf(stderr,
3071                        "qemu: only 90, 180, 270 deg rotation is available\n");
3072                    exit(1);
3073                }
3074                break;
3075            case QEMU_OPTION_kernel:
3076                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3077                break;
3078            case QEMU_OPTION_initrd:
3079                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3080                break;
3081            case QEMU_OPTION_append:
3082                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3083                break;
3084            case QEMU_OPTION_dtb:
3085                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3086                break;
3087            case QEMU_OPTION_cdrom:
3088                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3089                break;
3090            case QEMU_OPTION_boot:
3091                {
3092                    static const char * const params[] = {
3093                        "order", "once", "menu",
3094                        "splash", "splash-time",
3095                        "reboot-timeout", NULL
3096                    };
3097                    char buf[sizeof(boot_devices)];
3098                    char *standard_boot_devices;
3099                    int legacy = 0;
3100
3101                    if (!strchr(optarg, '=')) {
3102                        legacy = 1;
3103                        pstrcpy(buf, sizeof(buf), optarg);
3104                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3105                        fprintf(stderr,
3106                                "qemu: unknown boot parameter '%s' in '%s'\n",
3107                                buf, optarg);
3108                        exit(1);
3109                    }
3110
3111                    if (legacy ||
3112                        get_param_value(buf, sizeof(buf), "order", optarg)) {
3113                        validate_bootdevices(buf);
3114                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
3115                    }
3116                    if (!legacy) {
3117                        if (get_param_value(buf, sizeof(buf),
3118                                            "once", optarg)) {
3119                            validate_bootdevices(buf);
3120                            standard_boot_devices = g_strdup(boot_devices);
3121                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
3122                            qemu_register_reset(restore_boot_devices,
3123                                                standard_boot_devices);
3124                        }
3125                        if (get_param_value(buf, sizeof(buf),
3126                                            "menu", optarg)) {
3127                            if (!strcmp(buf, "on")) {
3128                                boot_menu = 1;
3129                            } else if (!strcmp(buf, "off")) {
3130                                boot_menu = 0;
3131                            } else {
3132                                fprintf(stderr,
3133                                        "qemu: invalid option value '%s'\n",
3134                                        buf);
3135                                exit(1);
3136                            }
3137                        }
3138                        if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3139                                             optarg, 0)) {
3140                            exit(1);
3141                        }
3142                    }
3143                }
3144                break;
3145            case QEMU_OPTION_fda:
3146            case QEMU_OPTION_fdb:
3147                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3148                          optarg, FD_OPTS);
3149                break;
3150            case QEMU_OPTION_no_fd_bootchk:
3151                fd_bootchk = 0;
3152                break;
3153            case QEMU_OPTION_netdev:
3154                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3155                    exit(1);
3156                }
3157                break;
3158            case QEMU_OPTION_net:
3159                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3160                    exit(1);
3161                }
3162                break;
3163#ifdef CONFIG_LIBISCSI
3164            case QEMU_OPTION_iscsi:
3165                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3166                if (!opts) {
3167                    exit(1);
3168                }
3169                break;
3170#endif
3171#ifdef CONFIG_SLIRP
3172            case QEMU_OPTION_tftp:
3173                legacy_tftp_prefix = optarg;
3174                break;
3175            case QEMU_OPTION_bootp:
3176                legacy_bootp_filename = optarg;
3177                break;
3178            case QEMU_OPTION_redir:
3179                if (net_slirp_redir(optarg) < 0)
3180                    exit(1);
3181                break;
3182#endif
3183            case QEMU_OPTION_bt:
3184                add_device_config(DEV_BT, optarg);
3185                break;
3186            case QEMU_OPTION_audio_help:
3187                if (!(audio_available())) {
3188                    printf("Option %s not supported for this target\n", popt->name);
3189                    exit(1);
3190                }
3191                AUD_help ();
3192                exit (0);
3193                break;
3194            case QEMU_OPTION_soundhw:
3195                if (!(audio_available())) {
3196                    printf("Option %s not supported for this target\n", popt->name);
3197                    exit(1);
3198                }
3199                select_soundhw (optarg);
3200                break;
3201            case QEMU_OPTION_h:
3202                help(0);
3203                break;
3204            case QEMU_OPTION_version:
3205                version();
3206                exit(0);
3207                break;
3208            case QEMU_OPTION_m: {
3209                int64_t value;
3210                uint64_t sz;
3211                char *end;
3212
3213                value = strtosz(optarg, &end);
3214                if (value < 0 || *end) {
3215                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3216                    exit(1);
3217                }
3218                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3219                ram_size = sz;
3220                if (ram_size != sz) {
3221                    fprintf(stderr, "qemu: ram size too large\n");
3222                    exit(1);
3223                }
3224                break;
3225            }
3226            case QEMU_OPTION_mempath:
3227                mem_path = optarg;
3228                break;
3229#ifdef MAP_POPULATE
3230            case QEMU_OPTION_mem_prealloc:
3231                mem_prealloc = 1;
3232                break;
3233#endif
3234            case QEMU_OPTION_d:
3235                log_mask = optarg;
3236                break;
3237            case QEMU_OPTION_D:
3238                log_file = optarg;
3239                break;
3240            case QEMU_OPTION_s:
3241                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3242                break;
3243            case QEMU_OPTION_gdb:
3244                add_device_config(DEV_GDB, optarg);
3245                break;
3246            case QEMU_OPTION_L:
3247                data_dir = optarg;
3248                break;
3249            case QEMU_OPTION_bios:
3250                bios_name = optarg;
3251                break;
3252            case QEMU_OPTION_singlestep:
3253                singlestep = 1;
3254                break;
3255            case QEMU_OPTION_S:
3256                autostart = 0;
3257                break;
3258            case QEMU_OPTION_k:
3259                keyboard_layout = optarg;
3260                break;
3261            case QEMU_OPTION_localtime:
3262                rtc_utc = 0;
3263                break;
3264            case QEMU_OPTION_vga:
3265                vga_model = optarg;
3266                default_vga = 0;
3267                break;
3268            case QEMU_OPTION_g:
3269                {
3270                    const char *p;
3271                    int w, h, depth;
3272                    p = optarg;
3273                    w = strtol(p, (char **)&p, 10);
3274                    if (w <= 0) {
3275                    graphic_error:
3276                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3277                        exit(1);
3278                    }
3279                    if (*p != 'x')
3280                        goto graphic_error;
3281                    p++;
3282                    h = strtol(p, (char **)&p, 10);
3283                    if (h <= 0)
3284                        goto graphic_error;
3285                    if (*p == 'x') {
3286                        p++;
3287                        depth = strtol(p, (char **)&p, 10);
3288                        if (depth != 8 && depth != 15 && depth != 16 &&
3289                            depth != 24 && depth != 32)
3290                            goto graphic_error;
3291                    } else if (*p == '\0') {
3292                        depth = graphic_depth;
3293                    } else {
3294                        goto graphic_error;
3295                    }
3296
3297                    graphic_width = w;
3298                    graphic_height = h;
3299                    graphic_depth = depth;
3300                }
3301                break;
3302            case QEMU_OPTION_echr:
3303                {
3304                    char *r;
3305                    term_escape_char = strtol(optarg, &r, 0);
3306                    if (r == optarg)
3307                        printf("Bad argument to echr\n");
3308                    break;
3309                }
3310            case QEMU_OPTION_monitor:
3311                monitor_parse(optarg, "readline");
3312                default_monitor = 0;
3313                break;
3314            case QEMU_OPTION_qmp:
3315                monitor_parse(optarg, "control");
3316                default_monitor = 0;
3317                break;
3318            case QEMU_OPTION_mon:
3319                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3320                if (!opts) {
3321                    exit(1);
3322                }
3323                default_monitor = 0;
3324                break;
3325            case QEMU_OPTION_chardev:
3326                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3327                if (!opts) {
3328                    exit(1);
3329                }
3330                break;
3331            case QEMU_OPTION_fsdev:
3332                olist = qemu_find_opts("fsdev");
3333                if (!olist) {
3334                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3335                    exit(1);
3336                }
3337                opts = qemu_opts_parse(olist, optarg, 1);
3338                if (!opts) {
3339                    exit(1);
3340                }
3341                break;
3342            case QEMU_OPTION_virtfs: {
3343                QemuOpts *fsdev;
3344                QemuOpts *device;
3345                const char *writeout, *sock_fd, *socket;
3346
3347                olist = qemu_find_opts("virtfs");
3348                if (!olist) {
3349                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3350                    exit(1);
3351                }
3352                opts = qemu_opts_parse(olist, optarg, 1);
3353                if (!opts) {
3354                    exit(1);
3355                }
3356
3357                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3358                    qemu_opt_get(opts, "mount_tag") == NULL) {
3359                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3360                    exit(1);
3361                }
3362                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3363                                         qemu_opt_get(opts, "mount_tag"),
3364                                         1, NULL);
3365                if (!fsdev) {
3366                    fprintf(stderr, "duplicate fsdev id: %s\n",
3367                            qemu_opt_get(opts, "mount_tag"));
3368                    exit(1);
3369                }
3370
3371                writeout = qemu_opt_get(opts, "writeout");
3372                if (writeout) {
3373#ifdef CONFIG_SYNC_FILE_RANGE
3374                    qemu_opt_set(fsdev, "writeout", writeout);
3375#else
3376                    fprintf(stderr, "writeout=immediate not supported on "
3377                            "this platform\n");
3378                    exit(1);
3379#endif
3380                }
3381                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3382                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3383                qemu_opt_set(fsdev, "security_model",
3384                             qemu_opt_get(opts, "security_model"));
3385                socket = qemu_opt_get(opts, "socket");
3386                if (socket) {
3387                    qemu_opt_set(fsdev, "socket", socket);
3388                }
3389                sock_fd = qemu_opt_get(opts, "sock_fd");
3390                if (sock_fd) {
3391                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3392                }
3393
3394                qemu_opt_set_bool(fsdev, "readonly",
3395                                qemu_opt_get_bool(opts, "readonly", 0));
3396                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3397                qemu_opt_set(device, "driver", "virtio-9p-pci");
3398                qemu_opt_set(device, "fsdev",
3399                             qemu_opt_get(opts, "mount_tag"));
3400                qemu_opt_set(device, "mount_tag",
3401                             qemu_opt_get(opts, "mount_tag"));
3402                break;
3403            }
3404            case QEMU_OPTION_virtfs_synth: {
3405                QemuOpts *fsdev;
3406                QemuOpts *device;
3407
3408                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3409                                         1, NULL);
3410                if (!fsdev) {
3411                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3412                    exit(1);
3413                }
3414                qemu_opt_set(fsdev, "fsdriver", "synth");
3415
3416                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3417                qemu_opt_set(device, "driver", "virtio-9p-pci");
3418                qemu_opt_set(device, "fsdev", "v_synth");
3419                qemu_opt_set(device, "mount_tag", "v_synth");
3420                break;
3421            }
3422            case QEMU_OPTION_serial:
3423                add_device_config(DEV_SERIAL, optarg);
3424                default_serial = 0;
3425                if (strncmp(optarg, "mon:", 4) == 0) {
3426                    default_monitor = 0;
3427                }
3428                break;
3429            case QEMU_OPTION_watchdog:
3430                if (watchdog) {
3431                    fprintf(stderr,
3432                            "qemu: only one watchdog option may be given\n");
3433                    return 1;
3434                }
3435                watchdog = optarg;
3436                break;
3437            case QEMU_OPTION_watchdog_action:
3438                if (select_watchdog_action(optarg) == -1) {
3439                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3440                    exit(1);
3441                }
3442                break;
3443            case QEMU_OPTION_virtiocon:
3444                add_device_config(DEV_VIRTCON, optarg);
3445                default_virtcon = 0;
3446                if (strncmp(optarg, "mon:", 4) == 0) {
3447                    default_monitor = 0;
3448                }
3449                break;
3450            case QEMU_OPTION_parallel:
3451                add_device_config(DEV_PARALLEL, optarg);
3452                default_parallel = 0;
3453                if (strncmp(optarg, "mon:", 4) == 0) {
3454                    default_monitor = 0;
3455                }
3456                break;
3457            case QEMU_OPTION_debugcon:
3458                add_device_config(DEV_DEBUGCON, optarg);
3459                break;
3460            case QEMU_OPTION_loadvm:
3461                loadvm = optarg;
3462                break;
3463            case QEMU_OPTION_full_screen:
3464                full_screen = 1;
3465                break;
3466#ifdef CONFIG_SDL
3467            case QEMU_OPTION_no_frame:
3468                no_frame = 1;
3469                break;
3470            case QEMU_OPTION_alt_grab:
3471                alt_grab = 1;
3472                break;
3473            case QEMU_OPTION_ctrl_grab:
3474                ctrl_grab = 1;
3475                break;
3476            case QEMU_OPTION_no_quit:
3477                no_quit = 1;
3478                break;
3479            case QEMU_OPTION_sdl:
3480                display_type = DT_SDL;
3481                break;
3482#else
3483            case QEMU_OPTION_no_frame:
3484            case QEMU_OPTION_alt_grab:
3485            case QEMU_OPTION_ctrl_grab:
3486            case QEMU_OPTION_no_quit:
3487            case QEMU_OPTION_sdl:
3488                fprintf(stderr, "SDL support is disabled\n");
3489                exit(1);
3490#endif
3491            case QEMU_OPTION_pidfile:
3492                pid_file = optarg;
3493                break;
3494            case QEMU_OPTION_win2k_hack:
3495                win2k_install_hack = 1;
3496                break;
3497            case QEMU_OPTION_rtc_td_hack: {
3498                static GlobalProperty slew_lost_ticks[] = {
3499                    {
3500                        .driver   = "mc146818rtc",
3501                        .property = "lost_tick_policy",
3502                        .value    = "slew",
3503                    },
3504                    { /* end of list */ }
3505                };
3506
3507                qdev_prop_register_global_list(slew_lost_ticks);
3508                break;
3509            }
3510            case QEMU_OPTION_acpitable:
3511                do_acpitable_option(optarg);
3512                break;
3513            case QEMU_OPTION_smbios:
3514                do_smbios_option(optarg);
3515                break;
3516            case QEMU_OPTION_enable_kvm:
3517                olist = qemu_find_opts("machine");
3518                qemu_opts_parse(olist, "accel=kvm", 0);
3519                break;
3520            case QEMU_OPTION_machine:
3521                olist = qemu_find_opts("machine");
3522                opts = qemu_opts_parse(olist, optarg, 1);
3523                if (!opts) {
3524                    exit(1);
3525                }
3526                optarg = qemu_opt_get(opts, "type");
3527                if (optarg) {
3528                    machine = machine_parse(optarg);
3529                }
3530                break;
3531             case QEMU_OPTION_no_kvm:
3532                olist = qemu_find_opts("machine");
3533                qemu_opts_parse(olist, "accel=tcg", 0);
3534                break;
3535            case QEMU_OPTION_no_kvm_pit: {
3536                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3537                                "separately.\n");
3538                break;
3539            }
3540            case QEMU_OPTION_no_kvm_pit_reinjection: {
3541                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3542                    {
3543                        .driver   = "kvm-pit",
3544                        .property = "lost_tick_policy",
3545                        .value    = "discard",
3546                    },
3547                    { /* end of list */ }
3548                };
3549
3550                fprintf(stderr, "Warning: option deprecated, use "
3551                        "lost_tick_policy property of kvm-pit instead.\n");
3552                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3553                break;
3554            }
3555            case QEMU_OPTION_usb:
3556                olist = qemu_find_opts("machine");
3557                qemu_opts_parse(olist, "usb=on", 0);
3558                break;
3559            case QEMU_OPTION_usbdevice:
3560                olist = qemu_find_opts("machine");
3561                qemu_opts_parse(olist, "usb=on", 0);
3562                add_device_config(DEV_USB, optarg);
3563                break;
3564            case QEMU_OPTION_device:
3565                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3566                    exit(1);
3567                }
3568                break;
3569            case QEMU_OPTION_smp:
3570                smp_parse(optarg);
3571                if (smp_cpus < 1) {
3572                    fprintf(stderr, "Invalid number of CPUs\n");
3573                    exit(1);
3574                }
3575                if (max_cpus < smp_cpus) {
3576                    fprintf(stderr, "maxcpus must be equal to or greater than "
3577                            "smp\n");
3578                    exit(1);
3579                }
3580                if (max_cpus > 255) {
3581                    fprintf(stderr, "Unsupported number of maxcpus\n");
3582                    exit(1);
3583                }
3584                break;
3585            case QEMU_OPTION_vnc:
3586#ifdef CONFIG_VNC
3587                display_remote++;
3588                vnc_display = optarg;
3589#else
3590                fprintf(stderr, "VNC support is disabled\n");
3591                exit(1);
3592#endif
3593                break;
3594            case QEMU_OPTION_no_acpi:
3595                acpi_enabled = 0;
3596                break;
3597            case QEMU_OPTION_no_hpet:
3598                no_hpet = 1;
3599                break;
3600            case QEMU_OPTION_balloon:
3601                if (balloon_parse(optarg) < 0) {
3602                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3603                    exit(1);
3604                }
3605                break;
3606            case QEMU_OPTION_no_reboot:
3607                no_reboot = 1;
3608                break;
3609            case QEMU_OPTION_no_shutdown:
3610                no_shutdown = 1;
3611                break;
3612            case QEMU_OPTION_show_cursor:
3613                cursor_hide = 0;
3614                break;
3615            case QEMU_OPTION_uuid:
3616                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3617                    fprintf(stderr, "Fail to parse UUID string."
3618                            " Wrong format.\n");
3619                    exit(1);
3620                }
3621                break;
3622            case QEMU_OPTION_option_rom:
3623                if (nb_option_roms >= MAX_OPTION_ROMS) {
3624                    fprintf(stderr, "Too many option ROMs\n");
3625                    exit(1);
3626                }
3627                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3628                if (!opts) {
3629                    exit(1);
3630                }
3631                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3632                option_rom[nb_option_roms].bootindex =
3633                    qemu_opt_get_number(opts, "bootindex", -1);
3634                if (!option_rom[nb_option_roms].name) {
3635                    fprintf(stderr, "Option ROM file is not specified\n");
3636                    exit(1);
3637                }
3638                nb_option_roms++;
3639                break;
3640            case QEMU_OPTION_semihosting:
3641                semihosting_enabled = 1;
3642                break;
3643            case QEMU_OPTION_tdf:
3644                fprintf(stderr, "Warning: user space PIT time drift fix "
3645                                "is no longer supported.\n");
3646                break;
3647            case QEMU_OPTION_name:
3648                qemu_name = g_strdup(optarg);
3649                 {
3650                     char *p = strchr(qemu_name, ',');
3651                     if (p != NULL) {
3652                        *p++ = 0;
3653                        if (strncmp(p, "process=", 8)) {
3654                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3655                            exit(1);
3656                        }
3657                        p += 8;
3658                        os_set_proc_name(p);
3659                     }  
3660                 }      
3661                break;
3662            case QEMU_OPTION_prom_env:
3663                if (nb_prom_envs >= MAX_PROM_ENVS) {
3664                    fprintf(stderr, "Too many prom variables\n");
3665                    exit(1);
3666                }
3667                prom_envs[nb_prom_envs] = optarg;
3668                nb_prom_envs++;
3669                break;
3670            case QEMU_OPTION_old_param:
3671                old_param = 1;
3672                break;
3673            case QEMU_OPTION_clock:
3674                configure_alarms(optarg);
3675                break;
3676            case QEMU_OPTION_startdate:
3677                configure_rtc_date_offset(optarg, 1);
3678                break;
3679            case QEMU_OPTION_rtc:
3680                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3681                if (!opts) {
3682                    exit(1);
3683                }
3684                configure_rtc(opts);
3685                break;
3686            case QEMU_OPTION_tb_size:
3687                tcg_tb_size = strtol(optarg, NULL, 0);
3688                if (tcg_tb_size < 0) {
3689                    tcg_tb_size = 0;
3690                }
3691                break;
3692            case QEMU_OPTION_icount:
3693                icount_option = optarg;
3694                break;
3695            case QEMU_OPTION_incoming:
3696                incoming = optarg;
3697                runstate_set(RUN_STATE_INMIGRATE);
3698                break;
3699            case QEMU_OPTION_nodefaults:
3700                default_serial = 0;
3701                default_parallel = 0;
3702                default_virtcon = 0;
3703                default_sclp = 0;
3704                default_monitor = 0;
3705                default_net = 0;
3706                default_floppy = 0;
3707                default_cdrom = 0;
3708                default_sdcard = 0;
3709                default_vga = 0;
3710                break;
3711            case QEMU_OPTION_xen_domid:
3712                if (!(xen_available())) {
3713                    printf("Option %s not supported for this target\n", popt->name);
3714                    exit(1);
3715                }
3716                xen_domid = atoi(optarg);
3717                break;
3718            case QEMU_OPTION_xen_create:
3719                if (!(xen_available())) {
3720                    printf("Option %s not supported for this target\n", popt->name);
3721                    exit(1);
3722                }
3723                xen_mode = XEN_CREATE;
3724                break;
3725            case QEMU_OPTION_xen_attach:
3726                if (!(xen_available())) {
3727                    printf("Option %s not supported for this target\n", popt->name);
3728                    exit(1);
3729                }
3730                xen_mode = XEN_ATTACH;
3731                break;
3732            case QEMU_OPTION_trace:
3733            {
3734                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3735                if (!opts) {
3736                    exit(1);
3737                }
3738                trace_events = qemu_opt_get(opts, "events");
3739                trace_file = qemu_opt_get(opts, "file");
3740                break;
3741            }
3742            case QEMU_OPTION_readconfig:
3743                {
3744                    int ret = qemu_read_config_file(optarg);
3745                    if (ret < 0) {
3746                        fprintf(stderr, "read config %s: %s\n", optarg,
3747                            strerror(-ret));
3748                        exit(1);
3749                    }
3750                    break;
3751                }
3752            case QEMU_OPTION_spice:
3753                olist = qemu_find_opts("spice");
3754                if (!olist) {
3755                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3756                    exit(1);
3757                }
3758                opts = qemu_opts_parse(olist, optarg, 0);
3759                if (!opts) {
3760                    exit(1);
3761                }
3762                break;
3763            case QEMU_OPTION_writeconfig:
3764                {
3765                    FILE *fp;
3766                    if (strcmp(optarg, "-") == 0) {
3767                        fp = stdout;
3768                    } else {
3769                        fp = fopen(optarg, "w");
3770                        if (fp == NULL) {
3771                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3772                            exit(1);
3773                        }
3774                    }
3775                    qemu_config_write(fp);
3776                    fclose(fp);
3777                    break;
3778                }
3779            case QEMU_OPTION_qtest:
3780                qtest_chrdev = optarg;
3781                break;
3782            case QEMU_OPTION_qtest_log:
3783                qtest_log = optarg;
3784                break;
3785            case QEMU_OPTION_sandbox:
3786                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3787                if (!opts) {
3788                    exit(1);
3789                }
3790                break;
3791            case QEMU_OPTION_add_fd:
3792#ifndef _WIN32
3793                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3794                if (!opts) {
3795                    exit(1);
3796                }
3797#else
3798                error_report("File descriptor passing is disabled on this "
3799                             "platform");
3800                exit(1);
3801#endif
3802                break;
3803            case QEMU_OPTION_object:
3804                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3805                if (!opts) {
3806                    exit(1);
3807                }
3808                break;
3809            default:
3810                os_parse_cmd_args(popt->index, optarg);
3811            }
3812        }
3813    }
3814    loc_set_none();
3815
3816    if (qemu_init_main_loop()) {
3817        fprintf(stderr, "qemu_init_main_loop failed\n");
3818        exit(1);
3819    }
3820
3821    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3822        exit(1);
3823    }
3824
3825#ifndef _WIN32
3826    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3827        exit(1);
3828    }
3829
3830    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3831        exit(1);
3832    }
3833#endif
3834
3835    if (machine == NULL) {
3836        fprintf(stderr, "No machine found.\n");
3837        exit(1);
3838    }
3839
3840    if (machine->hw_version) {
3841        qemu_set_version(machine->hw_version);
3842    }
3843
3844    if (qemu_opts_foreach(qemu_find_opts("object"),
3845                          object_create, NULL, 0) != 0) {
3846        exit(1);
3847    }
3848
3849    /* Init CPU def lists, based on config
3850     * - Must be called after all the qemu_read_config_file() calls
3851     * - Must be called before list_cpus()
3852     * - Must be called before machine->init()
3853     */
3854    cpudef_init();
3855
3856    if (cpu_model && is_help_option(cpu_model)) {
3857        list_cpus(stdout, &fprintf, cpu_model);
3858        exit(0);
3859    }
3860
3861    /* Open the logfile at this point, if necessary. We can't open the logfile
3862     * when encountering either of the logging options (-d or -D) because the
3863     * other one may be encountered later on the command line, changing the
3864     * location or level of logging.
3865     */
3866    if (log_mask) {
3867        if (log_file) {
3868            set_cpu_log_filename(log_file);
3869        }
3870        set_cpu_log(log_mask);
3871    }
3872
3873    if (!trace_backend_init(trace_events, trace_file)) {
3874        exit(1);
3875    }
3876
3877    /* If no data_dir is specified then try to find it relative to the
3878       executable path.  */
3879    if (!data_dir) {
3880        data_dir = os_find_datadir(argv[0]);
3881    }
3882    /* If all else fails use the install path specified when building. */
3883    if (!data_dir) {
3884        data_dir = CONFIG_QEMU_DATADIR;
3885    }
3886
3887    /*
3888     * Default to max_cpus = smp_cpus, in case the user doesn't
3889     * specify a max_cpus value.
3890     */
3891    if (!max_cpus)
3892        max_cpus = smp_cpus;
3893
3894    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3895    if (smp_cpus > machine->max_cpus) {
3896        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3897                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3898                machine->max_cpus);
3899        exit(1);
3900    }
3901
3902    /*
3903     * Get the default machine options from the machine if it is not already
3904     * specified either by the configuration file or by the command line.
3905     */
3906    if (machine->default_machine_opts) {
3907        qemu_opts_set_defaults(qemu_find_opts("machine"),
3908                               machine->default_machine_opts, 0);
3909    }
3910
3911    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3912    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3913
3914    if (machine->no_serial) {
3915        default_serial = 0;
3916    }
3917    if (machine->no_parallel) {
3918        default_parallel = 0;
3919    }
3920    if (!machine->use_virtcon) {
3921        default_virtcon = 0;
3922    }
3923    if (!machine->use_sclp) {
3924        default_sclp = 0;
3925    }
3926    if (machine->no_floppy) {
3927        default_floppy = 0;
3928    }
3929    if (machine->no_cdrom) {
3930        default_cdrom = 0;
3931    }
3932    if (machine->no_sdcard) {
3933        default_sdcard = 0;
3934    }
3935
3936    if (is_daemonized()) {
3937        /* According to documentation and historically, -nographic redirects
3938         * serial port, parallel port and monitor to stdio, which does not work
3939         * with -daemonize.  We can redirect these to null instead, but since
3940         * -nographic is legacy, let's just error out.
3941         * We disallow -nographic only if all other ports are not redirected
3942         * explicitly, to not break existing legacy setups which uses
3943         * -nographic _and_ redirects all ports explicitly - this is valid
3944         * usage, -nographic is just a no-op in this case.
3945         */
3946        if (display_type == DT_NOGRAPHIC
3947            && (default_parallel || default_serial
3948                || default_monitor || default_virtcon)) {
3949            fprintf(stderr, "-nographic can not be used with -daemonize\n");
3950            exit(1);
3951        }
3952#ifdef CONFIG_CURSES
3953        if (display_type == DT_CURSES) {
3954            fprintf(stderr, "curses display can not be used with -daemonize\n");
3955            exit(1);
3956        }
3957#endif
3958    }
3959
3960    if (display_type == DT_NOGRAPHIC) {
3961        if (default_parallel)
3962            add_device_config(DEV_PARALLEL, "null");
3963        if (default_serial && default_monitor) {
3964            add_device_config(DEV_SERIAL, "mon:stdio");
3965        } else if (default_virtcon && default_monitor) {
3966            add_device_config(DEV_VIRTCON, "mon:stdio");
3967        } else if (default_sclp && default_monitor) {
3968            add_device_config(DEV_SCLP, "mon:stdio");
3969        } else {
3970            if (default_serial)
3971                add_device_config(DEV_SERIAL, "stdio");
3972            if (default_virtcon)
3973                add_device_config(DEV_VIRTCON, "stdio");
3974            if (default_sclp) {
3975                add_device_config(DEV_SCLP, "stdio");
3976            }
3977            if (default_monitor)
3978                monitor_parse("stdio", "readline");
3979        }
3980    } else {
3981        if (default_serial)
3982            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3983        if (default_parallel)
3984            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3985        if (default_monitor)
3986            monitor_parse("vc:80Cx24C", "readline");
3987        if (default_virtcon)
3988            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3989        if (default_sclp) {
3990            add_device_config(DEV_SCLP, "vc:80Cx24C");
3991        }
3992    }
3993
3994    socket_init();
3995
3996    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3997        exit(1);
3998#ifdef CONFIG_VIRTFS
3999    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4000        exit(1);
4001    }
4002#endif
4003
4004    os_daemonize();
4005
4006    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4007        os_pidfile_error();
4008        exit(1);
4009    }
4010
4011    /* init the memory */
4012    if (ram_size == 0) {
4013        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4014    }
4015
4016    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4017        != 0) {
4018        exit(0);
4019    }
4020
4021    configure_accelerator();
4022
4023    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4024    if (machine_opts) {
4025        kernel_filename = qemu_opt_get(machine_opts, "kernel");
4026        initrd_filename = qemu_opt_get(machine_opts, "initrd");
4027        kernel_cmdline = qemu_opt_get(machine_opts, "append");
4028    } else {
4029        kernel_filename = initrd_filename = kernel_cmdline = NULL;
4030    }
4031
4032    if (!kernel_cmdline) {
4033        kernel_cmdline = "";
4034    }
4035
4036    linux_boot = (kernel_filename != NULL);
4037
4038    if (!linux_boot && *kernel_cmdline != '\0') {
4039        fprintf(stderr, "-append only allowed with -kernel option\n");
4040        exit(1);
4041    }
4042
4043    if (!linux_boot && initrd_filename != NULL) {
4044        fprintf(stderr, "-initrd only allowed with -kernel option\n");
4045        exit(1);
4046    }
4047
4048    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4049        fprintf(stderr, "-dtb only allowed with -kernel option\n");
4050        exit(1);
4051    }
4052
4053    os_set_line_buffering();
4054
4055    qemu_init_cpu_loop();
4056    qemu_mutex_lock_iothread();
4057
4058#ifdef CONFIG_SPICE
4059    /* spice needs the timers to be initialized by this point */
4060    qemu_spice_init();
4061#endif
4062
4063    if (icount_option && (kvm_enabled() || xen_enabled())) {
4064        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4065        exit(1);
4066    }
4067    configure_icount(icount_option);
4068
4069    /* clean up network at qemu process termination */
4070    atexit(&net_cleanup);
4071
4072    if (net_init_clients() < 0) {
4073        exit(1);
4074    }
4075
4076    /* init the bluetooth world */
4077    if (foreach_device_config(DEV_BT, bt_parse))
4078        exit(1);
4079
4080    if (!xen_enabled()) {
4081        /* On 32-bit hosts, QEMU is limited by virtual address space */
4082        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4083            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4084            exit(1);
4085        }
4086    }
4087
4088    cpu_exec_init_all();
4089
4090    bdrv_init_with_whitelist();
4091
4092    blk_mig_init();
4093
4094    /* open the virtual block devices */
4095    if (snapshot)
4096        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4097    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4098                          &machine->block_default_type, 1) != 0) {
4099        exit(1);
4100    }
4101
4102    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4103                  CDROM_OPTS);
4104    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4105    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4106
4107    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4108
4109    if (nb_numa_nodes > 0) {
4110        int i;
4111
4112        if (nb_numa_nodes > MAX_NODES) {
4113            nb_numa_nodes = MAX_NODES;
4114        }
4115
4116        /* If no memory size if given for any node, assume the default case
4117         * and distribute the available memory equally across all nodes
4118         */
4119        for (i = 0; i < nb_numa_nodes; i++) {
4120            if (node_mem[i] != 0)
4121                break;
4122        }
4123        if (i == nb_numa_nodes) {
4124            uint64_t usedmem = 0;
4125
4126            /* On Linux, the each node's border has to be 8MB aligned,
4127             * the final node gets the rest.
4128             */
4129            for (i = 0; i < nb_numa_nodes - 1; i++) {
4130                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4131                usedmem += node_mem[i];
4132            }
4133            node_mem[i] = ram_size - usedmem;
4134        }
4135
4136        for (i = 0; i < nb_numa_nodes; i++) {
4137            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4138                break;
4139            }
4140        }
4141        /* assigning the VCPUs round-robin is easier to implement, guest OSes
4142         * must cope with this anyway, because there are BIOSes out there in
4143         * real machines which also use this scheme.
4144         */
4145        if (i == nb_numa_nodes) {
4146            for (i = 0; i < max_cpus; i++) {
4147                set_bit(i, node_cpumask[i % nb_numa_nodes]);
4148            }
4149        }
4150    }
4151
4152    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4153        exit(1);
4154    }
4155
4156    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4157        exit(1);
4158    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4159        exit(1);
4160    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4161        exit(1);
4162    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4163        exit(1);
4164    }
4165    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4166        exit(1);
4167
4168    /* If no default VGA is requested, the default is "none".  */
4169    if (default_vga) {
4170        if (cirrus_vga_available()) {
4171            vga_model = "cirrus";
4172        } else if (vga_available()) {
4173            vga_model = "std";
4174        }
4175    }
4176    select_vgahw(vga_model);
4177
4178    if (watchdog) {
4179        i = select_watchdog(watchdog);
4180        if (i > 0)
4181            exit (i == 1 ? 1 : 0);
4182    }
4183
4184    if (machine->compat_props) {
4185        qdev_prop_register_global_list(machine->compat_props);
4186    }
4187    qemu_add_globals();
4188
4189    qdev_machine_init();
4190
4191    QEMUMachineInitArgs args = { .ram_size = ram_size,
4192                                 .boot_device = (boot_devices[0] == '\0') ?
4193                                                machine->boot_order :
4194                                                boot_devices,
4195                                 .kernel_filename = kernel_filename,
4196                                 .kernel_cmdline = kernel_cmdline,
4197                                 .initrd_filename = initrd_filename,
4198                                 .cpu_model = cpu_model };
4199    machine->init(&args);
4200
4201    cpu_synchronize_all_post_init();
4202
4203    set_numa_modes();
4204
4205    current_machine = machine;
4206
4207    /* init USB devices */
4208    if (usb_enabled(false)) {
4209        if (foreach_device_config(DEV_USB, usb_parse) < 0)
4210            exit(1);
4211    }
4212
4213    /* init generic devices */
4214    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4215        exit(1);
4216
4217    net_check_clients();
4218
4219    /* just use the first displaystate for the moment */
4220    ds = get_displaystate();
4221
4222    if (using_spice)
4223        display_remote++;
4224    if (display_type == DT_DEFAULT && !display_remote) {
4225#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4226        display_type = DT_SDL;
4227#elif defined(CONFIG_VNC)
4228        vnc_display = "localhost:0,to=99";
4229        show_vnc_port = 1;
4230#else
4231        display_type = DT_NONE;
4232#endif
4233    }
4234
4235
4236    /* init local displays */
4237    switch (display_type) {
4238    case DT_NOGRAPHIC:
4239        break;
4240#if defined(CONFIG_CURSES)
4241    case DT_CURSES:
4242        curses_display_init(ds, full_screen);
4243        break;
4244#endif
4245#if defined(CONFIG_SDL)
4246    case DT_SDL:
4247        sdl_display_init(ds, full_screen, no_frame);
4248        break;
4249#elif defined(CONFIG_COCOA)
4250    case DT_SDL:
4251        cocoa_display_init(ds, full_screen);
4252        break;
4253#endif
4254    default:
4255        break;
4256    }
4257
4258    /* must be after terminal init, SDL library changes signal handlers */
4259    os_setup_signal_handling();
4260
4261#ifdef CONFIG_VNC
4262    /* init remote displays */
4263    if (vnc_display) {
4264        Error *local_err = NULL;
4265        vnc_display_init(ds);
4266        vnc_display_open(ds, vnc_display, &local_err);
4267        if (local_err != NULL) {
4268            fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4269                    vnc_display, error_get_pretty(local_err));
4270            error_free(local_err);
4271            exit(1);
4272        }
4273
4274        if (show_vnc_port) {
4275            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4276        }
4277    }
4278#endif
4279#ifdef CONFIG_SPICE
4280    if (using_spice && !qxl_enabled) {
4281        qemu_spice_display_init(ds);
4282    }
4283#endif
4284
4285    /* display setup */
4286    text_consoles_set_display(ds);
4287
4288    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4289        exit(1);
4290    }
4291
4292    qdev_machine_creation_done();
4293
4294    if (rom_load_all() != 0) {
4295        fprintf(stderr, "rom loading failed\n");
4296        exit(1);
4297    }
4298
4299    /* TODO: once all bus devices are qdevified, this should be done
4300     * when bus is created by qdev.c */
4301    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4302    qemu_run_machine_init_done_notifiers();
4303
4304    qemu_system_reset(VMRESET_SILENT);
4305    if (loadvm) {
4306        if (load_vmstate(loadvm) < 0) {
4307            autostart = 0;
4308        }
4309    }
4310
4311    if (incoming) {
4312        Error *local_err = NULL;
4313        qemu_start_incoming_migration(incoming, &local_err);
4314        if (local_err) {
4315            fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4316            error_free(local_err);
4317            exit(1);
4318        }
4319    } else if (autostart) {
4320        vm_start();
4321    }
4322
4323    os_setup_post();
4324
4325    resume_all_vcpus();
4326    main_loop();
4327    bdrv_close_all();
4328    pause_all_vcpus();
4329    res_free();
4330
4331    return 0;
4332}
4333