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/i386/pc.h"
 121#include "hw/isa/isa.h"
 122#include "hw/bt.h"
 123#include "sysemu/watchdog.h"
 124#include "hw/i386/smbios.h"
 125#include "hw/xen/xen.h"
 126#include "hw/qdev.h"
 127#include "hw/loader.h"
 128#include "monitor/qdev.h"
 129#include "sysemu/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 "sysemu/char.h"
 138#include "qemu/cache-utils.h"
 139#include "sysemu/blockdev.h"
 140#include "hw/block/block.h"
 141#include "migration/block.h"
 142#include "sysemu/tpm.h"
 143#include "sysemu/dma.h"
 144#include "audio/audio.h"
 145#include "migration/migration.h"
 146#include "sysemu/kvm.h"
 147#include "qapi/qmp/qjson.h"
 148#include "qemu/option.h"
 149#include "qemu/config-file.h"
 150#include "qemu-options.h"
 151#include "qmp-commands.h"
 152#include "qemu/main-loop.h"
 153#ifdef CONFIG_VIRTFS
 154#include "fsdev/qemu-fsdev.h"
 155#endif
 156#include "sysemu/qtest.h"
 157
 158#include "disas/disas.h"
 159
 160#include "qemu/sockets.h"
 161
 162#include "slirp/libslirp.h"
 163
 164#include "trace.h"
 165#include "trace/control.h"
 166#include "qemu/queue.h"
 167#include "sysemu/cpus.h"
 168#include "sysemu/arch_init.h"
 169#include "qemu/osdep.h"
 170
 171#include "ui/qemu-spice.h"
 172#include "qapi/string-input-visitor.h"
 173
 174//#define DEBUG_NET
 175//#define DEBUG_SLIRP
 176
 177#define DEFAULT_RAM_SIZE 128
 178
 179#define MAX_VIRTIO_CONSOLES 1
 180#define MAX_SCLP_CONSOLES 1
 181
 182static const char *data_dir[16];
 183static int data_dir_idx;
 184const char *bios_name = NULL;
 185enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 186DisplayType display_type = DT_DEFAULT;
 187static int display_remote;
 188const char* keyboard_layout = NULL;
 189ram_addr_t ram_size;
 190const char *mem_path = NULL;
 191#ifdef MAP_POPULATE
 192int mem_prealloc = 0; /* force preallocation of physical target memory */
 193#endif
 194int nb_nics;
 195NICInfo nd_table[MAX_NICS];
 196int autostart;
 197static int rtc_utc = 1;
 198static int rtc_date_offset = -1; /* -1 means no change */
 199QEMUClock *rtc_clock;
 200int vga_interface_type = VGA_NONE;
 201static int full_screen = 0;
 202#ifdef CONFIG_SDL
 203static int no_frame = 0;
 204#endif
 205int no_quit = 0;
 206CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 207CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 208CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 209CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
 210int win2k_install_hack = 0;
 211int singlestep = 0;
 212int smp_cpus = 1;
 213int max_cpus = 0;
 214int smp_cores = 1;
 215int smp_threads = 1;
 216#ifdef CONFIG_VNC
 217const char *vnc_display;
 218#endif
 219int acpi_enabled = 1;
 220int no_hpet = 0;
 221int fd_bootchk = 1;
 222static int no_reboot;
 223int no_shutdown = 0;
 224int cursor_hide = 1;
 225int graphic_rotate = 0;
 226const char *watchdog;
 227QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 228int nb_option_roms;
 229int semihosting_enabled = 0;
 230int old_param = 0;
 231const char *qemu_name;
 232int alt_grab = 0;
 233int ctrl_grab = 0;
 234unsigned int nb_prom_envs = 0;
 235const char *prom_envs[MAX_PROM_ENVS];
 236int boot_menu;
 237bool boot_strict;
 238uint8_t *boot_splash_filedata;
 239size_t boot_splash_filedata_size;
 240uint8_t qemu_extra_params_fw[2];
 241
 242typedef struct FWBootEntry FWBootEntry;
 243
 244struct FWBootEntry {
 245    QTAILQ_ENTRY(FWBootEntry) link;
 246    int32_t bootindex;
 247    DeviceState *dev;
 248    char *suffix;
 249};
 250
 251static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 252    QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 253
 254int nb_numa_nodes;
 255uint64_t node_mem[MAX_NODES];
 256unsigned long *node_cpumask[MAX_NODES];
 257
 258uint8_t qemu_uuid[16];
 259
 260static QEMUBootSetHandler *boot_set_handler;
 261static void *boot_set_opaque;
 262
 263static NotifierList exit_notifiers =
 264    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 265
 266static NotifierList machine_init_done_notifiers =
 267    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 268
 269static bool tcg_allowed = true;
 270bool xen_allowed;
 271uint32_t xen_domid;
 272enum xen_mode xen_mode = XEN_EMULATE;
 273static int tcg_tb_size;
 274
 275static int default_serial = 1;
 276static int default_parallel = 1;
 277static int default_virtcon = 1;
 278static int default_sclp = 1;
 279static int default_monitor = 1;
 280static int default_floppy = 1;
 281static int default_cdrom = 1;
 282static int default_sdcard = 1;
 283static int default_vga = 1;
 284
 285static struct {
 286    const char *driver;
 287    int *flag;
 288} default_list[] = {
 289    { .driver = "isa-serial",           .flag = &default_serial    },
 290    { .driver = "isa-parallel",         .flag = &default_parallel  },
 291    { .driver = "isa-fdc",              .flag = &default_floppy    },
 292    { .driver = "ide-cd",               .flag = &default_cdrom     },
 293    { .driver = "ide-hd",               .flag = &default_cdrom     },
 294    { .driver = "ide-drive",            .flag = &default_cdrom     },
 295    { .driver = "scsi-cd",              .flag = &default_cdrom     },
 296    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 297    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 298    { .driver = "virtio-serial",        .flag = &default_virtcon   },
 299    { .driver = "VGA",                  .flag = &default_vga       },
 300    { .driver = "isa-vga",              .flag = &default_vga       },
 301    { .driver = "cirrus-vga",           .flag = &default_vga       },
 302    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 303    { .driver = "vmware-svga",          .flag = &default_vga       },
 304    { .driver = "qxl-vga",              .flag = &default_vga       },
 305};
 306
 307static QemuOptsList qemu_rtc_opts = {
 308    .name = "rtc",
 309    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
 310    .desc = {
 311        {
 312            .name = "base",
 313            .type = QEMU_OPT_STRING,
 314        },{
 315            .name = "clock",
 316            .type = QEMU_OPT_STRING,
 317        },{
 318            .name = "driftfix",
 319            .type = QEMU_OPT_STRING,
 320        },
 321        { /* end of list */ }
 322    },
 323};
 324
 325static QemuOptsList qemu_sandbox_opts = {
 326    .name = "sandbox",
 327    .implied_opt_name = "enable",
 328    .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
 329    .desc = {
 330        {
 331            .name = "enable",
 332            .type = QEMU_OPT_BOOL,
 333        },
 334        { /* end of list */ }
 335    },
 336};
 337
 338static QemuOptsList qemu_trace_opts = {
 339    .name = "trace",
 340    .implied_opt_name = "trace",
 341    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
 342    .desc = {
 343        {
 344            .name = "events",
 345            .type = QEMU_OPT_STRING,
 346        },{
 347            .name = "file",
 348            .type = QEMU_OPT_STRING,
 349        },
 350        { /* end of list */ }
 351    },
 352};
 353
 354static QemuOptsList qemu_option_rom_opts = {
 355    .name = "option-rom",
 356    .implied_opt_name = "romfile",
 357    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
 358    .desc = {
 359        {
 360            .name = "bootindex",
 361            .type = QEMU_OPT_NUMBER,
 362        }, {
 363            .name = "romfile",
 364            .type = QEMU_OPT_STRING,
 365        },
 366        { /* end of list */ }
 367    },
 368};
 369
 370static QemuOptsList qemu_machine_opts = {
 371    .name = "machine",
 372    .implied_opt_name = "type",
 373    .merge_lists = true,
 374    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
 375    .desc = {
 376        {
 377            .name = "type",
 378            .type = QEMU_OPT_STRING,
 379            .help = "emulated machine"
 380        }, {
 381            .name = "accel",
 382            .type = QEMU_OPT_STRING,
 383            .help = "accelerator list",
 384        }, {
 385            .name = "kernel_irqchip",
 386            .type = QEMU_OPT_BOOL,
 387            .help = "use KVM in-kernel irqchip",
 388        }, {
 389            .name = "kvm_shadow_mem",
 390            .type = QEMU_OPT_SIZE,
 391            .help = "KVM shadow MMU size",
 392        }, {
 393            .name = "kernel",
 394            .type = QEMU_OPT_STRING,
 395            .help = "Linux kernel image file",
 396        }, {
 397            .name = "initrd",
 398            .type = QEMU_OPT_STRING,
 399            .help = "Linux initial ramdisk file",
 400        }, {
 401            .name = "append",
 402            .type = QEMU_OPT_STRING,
 403            .help = "Linux kernel command line",
 404        }, {
 405            .name = "dtb",
 406            .type = QEMU_OPT_STRING,
 407            .help = "Linux kernel device tree file",
 408        }, {
 409            .name = "dumpdtb",
 410            .type = QEMU_OPT_STRING,
 411            .help = "Dump current dtb to a file and quit",
 412        }, {
 413            .name = "phandle_start",
 414            .type = QEMU_OPT_STRING,
 415            .help = "The first phandle ID we may generate dynamically",
 416        }, {
 417            .name = "dt_compatible",
 418            .type = QEMU_OPT_STRING,
 419            .help = "Overrides the \"compatible\" property of the dt root node",
 420        }, {
 421            .name = "dump-guest-core",
 422            .type = QEMU_OPT_BOOL,
 423            .help = "Include guest memory in  a core dump",
 424        }, {
 425            .name = "mem-merge",
 426            .type = QEMU_OPT_BOOL,
 427            .help = "enable/disable memory merge support",
 428        },{
 429            .name = "usb",
 430            .type = QEMU_OPT_BOOL,
 431            .help = "Set on/off to enable/disable usb",
 432        },
 433        { /* End of list */ }
 434    },
 435};
 436
 437static QemuOptsList qemu_boot_opts = {
 438    .name = "boot-opts",
 439    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
 440    .desc = {
 441        /* the three names below are not used now */
 442        {
 443            .name = "order",
 444            .type = QEMU_OPT_STRING,
 445        }, {
 446            .name = "once",
 447            .type = QEMU_OPT_STRING,
 448        }, {
 449            .name = "menu",
 450            .type = QEMU_OPT_STRING,
 451        /* following are really used */
 452        }, {
 453            .name = "splash",
 454            .type = QEMU_OPT_STRING,
 455        }, {
 456            .name = "splash-time",
 457            .type = QEMU_OPT_STRING,
 458        }, {
 459            .name = "reboot-timeout",
 460            .type = QEMU_OPT_STRING,
 461        }, {
 462            .name = "strict",
 463            .type = QEMU_OPT_STRING,
 464        },
 465        { /*End of list */ }
 466    },
 467};
 468
 469static QemuOptsList qemu_add_fd_opts = {
 470    .name = "add-fd",
 471    .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
 472    .desc = {
 473        {
 474            .name = "fd",
 475            .type = QEMU_OPT_NUMBER,
 476            .help = "file descriptor of which a duplicate is added to fd set",
 477        },{
 478            .name = "set",
 479            .type = QEMU_OPT_NUMBER,
 480            .help = "ID of the fd set to add fd to",
 481        },{
 482            .name = "opaque",
 483            .type = QEMU_OPT_STRING,
 484            .help = "free-form string used to describe fd",
 485        },
 486        { /* end of list */ }
 487    },
 488};
 489
 490static QemuOptsList qemu_object_opts = {
 491    .name = "object",
 492    .implied_opt_name = "qom-type",
 493    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
 494    .desc = {
 495        { }
 496    },
 497};
 498
 499static QemuOptsList qemu_tpmdev_opts = {
 500    .name = "tpmdev",
 501    .implied_opt_name = "type",
 502    .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
 503    .desc = {
 504        /* options are defined in the TPM backends */
 505        { /* end of list */ }
 506    },
 507};
 508
 509static QemuOptsList qemu_realtime_opts = {
 510    .name = "realtime",
 511    .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
 512    .desc = {
 513        {
 514            .name = "mlock",
 515            .type = QEMU_OPT_BOOL,
 516        },
 517        { /* end of list */ }
 518    },
 519};
 520
 521const char *qemu_get_vm_name(void)
 522{
 523    return qemu_name;
 524}
 525
 526static void res_free(void)
 527{
 528    if (boot_splash_filedata != NULL) {
 529        g_free(boot_splash_filedata);
 530        boot_splash_filedata = NULL;
 531    }
 532}
 533
 534static int default_driver_check(QemuOpts *opts, void *opaque)
 535{
 536    const char *driver = qemu_opt_get(opts, "driver");
 537    int i;
 538
 539    if (!driver)
 540        return 0;
 541    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 542        if (strcmp(default_list[i].driver, driver) != 0)
 543            continue;
 544        *(default_list[i].flag) = 0;
 545    }
 546    return 0;
 547}
 548
 549/***********************************************************/
 550/* QEMU state */
 551
 552static RunState current_run_state = RUN_STATE_PRELAUNCH;
 553
 554typedef struct {
 555    RunState from;
 556    RunState to;
 557} RunStateTransition;
 558
 559static const RunStateTransition runstate_transitions_def[] = {
 560    /*     from      ->     to      */
 561    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 562
 563    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 564    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 565
 566    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 567    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 568
 569    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 570    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 571
 572    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 573    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 574
 575    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 576    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 577
 578    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 579    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 580    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 581
 582    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 583    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 584
 585    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 586
 587    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 588    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 589    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 590    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 591    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 592    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 593    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 594    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 595    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 596    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
 597
 598    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 599
 600    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 601    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 602
 603    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 604    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 605    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 606    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 607
 608    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 609    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 610
 611    { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
 612    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
 613
 614    { RUN_STATE_MAX, RUN_STATE_MAX },
 615};
 616
 617static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 618
 619bool runstate_check(RunState state)
 620{
 621    return current_run_state == state;
 622}
 623
 624static void runstate_init(void)
 625{
 626    const RunStateTransition *p;
 627
 628    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 629
 630    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 631        runstate_valid_transitions[p->from][p->to] = true;
 632    }
 633}
 634
 635/* This function will abort() on invalid state transitions */
 636void runstate_set(RunState new_state)
 637{
 638    assert(new_state < RUN_STATE_MAX);
 639
 640    if (!runstate_valid_transitions[current_run_state][new_state]) {
 641        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 642                RunState_lookup[current_run_state],
 643                RunState_lookup[new_state]);
 644        abort();
 645    }
 646    trace_runstate_set(new_state);
 647    current_run_state = new_state;
 648}
 649
 650int runstate_is_running(void)
 651{
 652    return runstate_check(RUN_STATE_RUNNING);
 653}
 654
 655bool runstate_needs_reset(void)
 656{
 657    return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
 658        runstate_check(RUN_STATE_SHUTDOWN) ||
 659        runstate_check(RUN_STATE_GUEST_PANICKED);
 660}
 661
 662StatusInfo *qmp_query_status(Error **errp)
 663{
 664    StatusInfo *info = g_malloc0(sizeof(*info));
 665
 666    info->running = runstate_is_running();
 667    info->singlestep = singlestep;
 668    info->status = current_run_state;
 669
 670    return info;
 671}
 672
 673/***********************************************************/
 674/* real time host monotonic timer */
 675
 676/***********************************************************/
 677/* host time/date access */
 678void qemu_get_timedate(struct tm *tm, int offset)
 679{
 680    time_t ti;
 681
 682    time(&ti);
 683    ti += offset;
 684    if (rtc_date_offset == -1) {
 685        if (rtc_utc)
 686            gmtime_r(&ti, tm);
 687        else
 688            localtime_r(&ti, tm);
 689    } else {
 690        ti -= rtc_date_offset;
 691        gmtime_r(&ti, tm);
 692    }
 693}
 694
 695int qemu_timedate_diff(struct tm *tm)
 696{
 697    time_t seconds;
 698
 699    if (rtc_date_offset == -1)
 700        if (rtc_utc)
 701            seconds = mktimegm(tm);
 702        else {
 703            struct tm tmp = *tm;
 704            tmp.tm_isdst = -1; /* use timezone to figure it out */
 705            seconds = mktime(&tmp);
 706        }
 707    else
 708        seconds = mktimegm(tm) + rtc_date_offset;
 709
 710    return seconds - time(NULL);
 711}
 712
 713void rtc_change_mon_event(struct tm *tm)
 714{
 715    QObject *data;
 716
 717    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 718    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 719    qobject_decref(data);
 720}
 721
 722static void configure_rtc_date_offset(const char *startdate, int legacy)
 723{
 724    time_t rtc_start_date;
 725    struct tm tm;
 726
 727    if (!strcmp(startdate, "now") && legacy) {
 728        rtc_date_offset = -1;
 729    } else {
 730        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 731                   &tm.tm_year,
 732                   &tm.tm_mon,
 733                   &tm.tm_mday,
 734                   &tm.tm_hour,
 735                   &tm.tm_min,
 736                   &tm.tm_sec) == 6) {
 737            /* OK */
 738        } else if (sscanf(startdate, "%d-%d-%d",
 739                          &tm.tm_year,
 740                          &tm.tm_mon,
 741                          &tm.tm_mday) == 3) {
 742            tm.tm_hour = 0;
 743            tm.tm_min = 0;
 744            tm.tm_sec = 0;
 745        } else {
 746            goto date_fail;
 747        }
 748        tm.tm_year -= 1900;
 749        tm.tm_mon--;
 750        rtc_start_date = mktimegm(&tm);
 751        if (rtc_start_date == -1) {
 752        date_fail:
 753            fprintf(stderr, "Invalid date format. Valid formats are:\n"
 754                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
 755            exit(1);
 756        }
 757        rtc_date_offset = time(NULL) - rtc_start_date;
 758    }
 759}
 760
 761static void configure_rtc(QemuOpts *opts)
 762{
 763    const char *value;
 764
 765    value = qemu_opt_get(opts, "base");
 766    if (value) {
 767        if (!strcmp(value, "utc")) {
 768            rtc_utc = 1;
 769        } else if (!strcmp(value, "localtime")) {
 770            rtc_utc = 0;
 771        } else {
 772            configure_rtc_date_offset(value, 0);
 773        }
 774    }
 775    value = qemu_opt_get(opts, "clock");
 776    if (value) {
 777        if (!strcmp(value, "host")) {
 778            rtc_clock = host_clock;
 779        } else if (!strcmp(value, "rt")) {
 780            rtc_clock = rt_clock;
 781        } else if (!strcmp(value, "vm")) {
 782            rtc_clock = vm_clock;
 783        } else {
 784            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 785            exit(1);
 786        }
 787    }
 788    value = qemu_opt_get(opts, "driftfix");
 789    if (value) {
 790        if (!strcmp(value, "slew")) {
 791            static GlobalProperty slew_lost_ticks[] = {
 792                {
 793                    .driver   = "mc146818rtc",
 794                    .property = "lost_tick_policy",
 795                    .value    = "slew",
 796                },
 797                { /* end of list */ }
 798            };
 799
 800            qdev_prop_register_global_list(slew_lost_ticks);
 801        } else if (!strcmp(value, "none")) {
 802            /* discard is default */
 803        } else {
 804            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 805            exit(1);
 806        }
 807    }
 808}
 809
 810/***********************************************************/
 811/* Bluetooth support */
 812static int nb_hcis;
 813static int cur_hci;
 814static struct HCIInfo *hci_table[MAX_NICS];
 815
 816static struct bt_vlan_s {
 817    struct bt_scatternet_s net;
 818    int id;
 819    struct bt_vlan_s *next;
 820} *first_bt_vlan;
 821
 822/* find or alloc a new bluetooth "VLAN" */
 823static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 824{
 825    struct bt_vlan_s **pvlan, *vlan;
 826    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 827        if (vlan->id == id)
 828            return &vlan->net;
 829    }
 830    vlan = g_malloc0(sizeof(struct bt_vlan_s));
 831    vlan->id = id;
 832    pvlan = &first_bt_vlan;
 833    while (*pvlan != NULL)
 834        pvlan = &(*pvlan)->next;
 835    *pvlan = vlan;
 836    return &vlan->net;
 837}
 838
 839static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 840{
 841}
 842
 843static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 844{
 845    return -ENOTSUP;
 846}
 847
 848static struct HCIInfo null_hci = {
 849    .cmd_send = null_hci_send,
 850    .sco_send = null_hci_send,
 851    .acl_send = null_hci_send,
 852    .bdaddr_set = null_hci_addr_set,
 853};
 854
 855struct HCIInfo *qemu_next_hci(void)
 856{
 857    if (cur_hci == nb_hcis)
 858        return &null_hci;
 859
 860    return hci_table[cur_hci++];
 861}
 862
 863static struct HCIInfo *hci_init(const char *str)
 864{
 865    char *endp;
 866    struct bt_scatternet_s *vlan = 0;
 867
 868    if (!strcmp(str, "null"))
 869        /* null */
 870        return &null_hci;
 871    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 872        /* host[:hciN] */
 873        return bt_host_hci(str[4] ? str + 5 : "hci0");
 874    else if (!strncmp(str, "hci", 3)) {
 875        /* hci[,vlan=n] */
 876        if (str[3]) {
 877            if (!strncmp(str + 3, ",vlan=", 6)) {
 878                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 879                if (*endp)
 880                    vlan = 0;
 881            }
 882        } else
 883            vlan = qemu_find_bt_vlan(0);
 884        if (vlan)
 885           return bt_new_hci(vlan);
 886    }
 887
 888    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 889
 890    return 0;
 891}
 892
 893static int bt_hci_parse(const char *str)
 894{
 895    struct HCIInfo *hci;
 896    bdaddr_t bdaddr;
 897
 898    if (nb_hcis >= MAX_NICS) {
 899        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 900        return -1;
 901    }
 902
 903    hci = hci_init(str);
 904    if (!hci)
 905        return -1;
 906
 907    bdaddr.b[0] = 0x52;
 908    bdaddr.b[1] = 0x54;
 909    bdaddr.b[2] = 0x00;
 910    bdaddr.b[3] = 0x12;
 911    bdaddr.b[4] = 0x34;
 912    bdaddr.b[5] = 0x56 + nb_hcis;
 913    hci->bdaddr_set(hci, bdaddr.b);
 914
 915    hci_table[nb_hcis++] = hci;
 916
 917    return 0;
 918}
 919
 920static void bt_vhci_add(int vlan_id)
 921{
 922    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 923
 924    if (!vlan->slave)
 925        fprintf(stderr, "qemu: warning: adding a VHCI to "
 926                        "an empty scatternet %i\n", vlan_id);
 927
 928    bt_vhci_init(bt_new_hci(vlan));
 929}
 930
 931static struct bt_device_s *bt_device_add(const char *opt)
 932{
 933    struct bt_scatternet_s *vlan;
 934    int vlan_id = 0;
 935    char *endp = strstr(opt, ",vlan=");
 936    int len = (endp ? endp - opt : strlen(opt)) + 1;
 937    char devname[10];
 938
 939    pstrcpy(devname, MIN(sizeof(devname), len), opt);
 940
 941    if (endp) {
 942        vlan_id = strtol(endp + 6, &endp, 0);
 943        if (*endp) {
 944            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 945            return 0;
 946        }
 947    }
 948
 949    vlan = qemu_find_bt_vlan(vlan_id);
 950
 951    if (!vlan->slave)
 952        fprintf(stderr, "qemu: warning: adding a slave device to "
 953                        "an empty scatternet %i\n", vlan_id);
 954
 955    if (!strcmp(devname, "keyboard"))
 956        return bt_keyboard_init(vlan);
 957
 958    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 959    return 0;
 960}
 961
 962static int bt_parse(const char *opt)
 963{
 964    const char *endp, *p;
 965    int vlan;
 966
 967    if (strstart(opt, "hci", &endp)) {
 968        if (!*endp || *endp == ',') {
 969            if (*endp)
 970                if (!strstart(endp, ",vlan=", 0))
 971                    opt = endp + 1;
 972
 973            return bt_hci_parse(opt);
 974       }
 975    } else if (strstart(opt, "vhci", &endp)) {
 976        if (!*endp || *endp == ',') {
 977            if (*endp) {
 978                if (strstart(endp, ",vlan=", &p)) {
 979                    vlan = strtol(p, (char **) &endp, 0);
 980                    if (*endp) {
 981                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 982                        return 1;
 983                    }
 984                } else {
 985                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 986                    return 1;
 987                }
 988            } else
 989                vlan = 0;
 990
 991            bt_vhci_add(vlan);
 992            return 0;
 993        }
 994    } else if (strstart(opt, "device:", &endp))
 995        return !bt_device_add(endp);
 996
 997    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 998    return 1;
 999}
1000
1001static int parse_sandbox(QemuOpts *opts, void *opaque)
1002{
1003    /* FIXME: change this to true for 1.3 */
1004    if (qemu_opt_get_bool(opts, "enable", false)) {
1005#ifdef CONFIG_SECCOMP
1006        if (seccomp_start() < 0) {
1007            qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008                          "failed to install seccomp syscall filter in the kernel");
1009            return -1;
1010        }
1011#else
1012        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013                      "sandboxing request but seccomp is not compiled into this build");
1014        return -1;
1015#endif
1016    }
1017
1018    return 0;
1019}
1020
1021/*********QEMU USB setting******/
1022bool usb_enabled(bool default_usb)
1023{
1024    QemuOpts *mach_opts;
1025    mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
1026    if (mach_opts) {
1027        return qemu_opt_get_bool(mach_opts, "usb", default_usb);
1028    }
1029    return default_usb;
1030}
1031
1032#ifndef _WIN32
1033static int parse_add_fd(QemuOpts *opts, void *opaque)
1034{
1035    int fd, dupfd, flags;
1036    int64_t fdset_id;
1037    const char *fd_opaque = NULL;
1038
1039    fd = qemu_opt_get_number(opts, "fd", -1);
1040    fdset_id = qemu_opt_get_number(opts, "set", -1);
1041    fd_opaque = qemu_opt_get(opts, "opaque");
1042
1043    if (fd < 0) {
1044        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1045                      "fd option is required and must be non-negative");
1046        return -1;
1047    }
1048
1049    if (fd <= STDERR_FILENO) {
1050        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1051                      "fd cannot be a standard I/O stream");
1052        return -1;
1053    }
1054
1055    /*
1056     * All fds inherited across exec() necessarily have FD_CLOEXEC
1057     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1058     */
1059    flags = fcntl(fd, F_GETFD);
1060    if (flags == -1 || (flags & FD_CLOEXEC)) {
1061        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1062                      "fd is not valid or already in use");
1063        return -1;
1064    }
1065
1066    if (fdset_id < 0) {
1067        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1068                      "set option is required and must be non-negative");
1069        return -1;
1070    }
1071
1072#ifdef F_DUPFD_CLOEXEC
1073    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1074#else
1075    dupfd = dup(fd);
1076    if (dupfd != -1) {
1077        qemu_set_cloexec(dupfd);
1078    }
1079#endif
1080    if (dupfd == -1) {
1081        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1082                      "Error duplicating fd: %s", strerror(errno));
1083        return -1;
1084    }
1085
1086    /* add the duplicate fd, and optionally the opaque string, to the fd set */
1087    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1088                         fd_opaque, NULL);
1089
1090    return 0;
1091}
1092
1093static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1094{
1095    int fd;
1096
1097    fd = qemu_opt_get_number(opts, "fd", -1);
1098    close(fd);
1099
1100    return 0;
1101}
1102#endif
1103
1104/***********************************************************/
1105/* QEMU Block devices */
1106
1107#define HD_OPTS "media=disk"
1108#define CDROM_OPTS "media=cdrom"
1109#define FD_OPTS ""
1110#define PFLASH_OPTS ""
1111#define MTD_OPTS ""
1112#define SD_OPTS ""
1113
1114static int drive_init_func(QemuOpts *opts, void *opaque)
1115{
1116    BlockInterfaceType *block_default_type = opaque;
1117
1118    return drive_init(opts, *block_default_type) == NULL;
1119}
1120
1121static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1122{
1123    if (NULL == qemu_opt_get(opts, "snapshot")) {
1124        qemu_opt_set(opts, "snapshot", "on");
1125    }
1126    return 0;
1127}
1128
1129static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1130                          int index, const char *optstr)
1131{
1132    QemuOpts *opts;
1133
1134    if (!enable || drive_get_by_index(type, index)) {
1135        return;
1136    }
1137
1138    opts = drive_add(type, index, NULL, optstr);
1139    if (snapshot) {
1140        drive_enable_snapshot(opts, NULL);
1141    }
1142    if (!drive_init(opts, type)) {
1143        exit(1);
1144    }
1145}
1146
1147void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1148{
1149    boot_set_handler = func;
1150    boot_set_opaque = opaque;
1151}
1152
1153int qemu_boot_set(const char *boot_devices)
1154{
1155    if (!boot_set_handler) {
1156        return -EINVAL;
1157    }
1158    return boot_set_handler(boot_set_opaque, boot_devices);
1159}
1160
1161static void validate_bootdevices(char *devices)
1162{
1163    /* We just do some generic consistency checks */
1164    const char *p;
1165    int bitmap = 0;
1166
1167    for (p = devices; *p != '\0'; p++) {
1168        /* Allowed boot devices are:
1169         * a-b: floppy disk drives
1170         * c-f: IDE disk drives
1171         * g-m: machine implementation dependent drives
1172         * n-p: network devices
1173         * It's up to each machine implementation to check if the given boot
1174         * devices match the actual hardware implementation and firmware
1175         * features.
1176         */
1177        if (*p < 'a' || *p > 'p') {
1178            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1179            exit(1);
1180        }
1181        if (bitmap & (1 << (*p - 'a'))) {
1182            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1183            exit(1);
1184        }
1185        bitmap |= 1 << (*p - 'a');
1186    }
1187}
1188
1189static void restore_boot_devices(void *opaque)
1190{
1191    char *standard_boot_devices = opaque;
1192    static int first = 1;
1193
1194    /* Restore boot order and remove ourselves after the first boot */
1195    if (first) {
1196        first = 0;
1197        return;
1198    }
1199
1200    qemu_boot_set(standard_boot_devices);
1201
1202    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1203    g_free(standard_boot_devices);
1204}
1205
1206void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1207                          const char *suffix)
1208{
1209    FWBootEntry *node, *i;
1210
1211    if (bootindex < 0) {
1212        return;
1213    }
1214
1215    assert(dev != NULL || suffix != NULL);
1216
1217    node = g_malloc0(sizeof(FWBootEntry));
1218    node->bootindex = bootindex;
1219    node->suffix = g_strdup(suffix);
1220    node->dev = dev;
1221
1222    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1223        if (i->bootindex == bootindex) {
1224            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1225            exit(1);
1226        } else if (i->bootindex < bootindex) {
1227            continue;
1228        }
1229        QTAILQ_INSERT_BEFORE(i, node, link);
1230        return;
1231    }
1232    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1233}
1234
1235DeviceState *get_boot_device(uint32_t position)
1236{
1237    uint32_t counter = 0;
1238    FWBootEntry *i = NULL;
1239    DeviceState *res = NULL;
1240
1241    if (!QTAILQ_EMPTY(&fw_boot_order)) {
1242        QTAILQ_FOREACH(i, &fw_boot_order, link) {
1243            if (counter == position) {
1244                res = i->dev;
1245                break;
1246            }
1247            counter++;
1248        }
1249    }
1250    return res;
1251}
1252
1253/*
1254 * This function returns null terminated string that consist of new line
1255 * separated device paths.
1256 *
1257 * memory pointed by "size" is assigned total length of the array in bytes
1258 *
1259 */
1260char *get_boot_devices_list(size_t *size)
1261{
1262    FWBootEntry *i;
1263    size_t total = 0;
1264    char *list = NULL;
1265
1266    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1267        char *devpath = NULL, *bootpath;
1268        size_t len;
1269
1270        if (i->dev) {
1271            devpath = qdev_get_fw_dev_path(i->dev);
1272            assert(devpath);
1273        }
1274
1275        if (i->suffix && devpath) {
1276            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1277
1278            bootpath = g_malloc(bootpathlen);
1279            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1280            g_free(devpath);
1281        } else if (devpath) {
1282            bootpath = devpath;
1283        } else {
1284            assert(i->suffix);
1285            bootpath = g_strdup(i->suffix);
1286        }
1287
1288        if (total) {
1289            list[total-1] = '\n';
1290        }
1291        len = strlen(bootpath) + 1;
1292        list = g_realloc(list, total + len);
1293        memcpy(&list[total], bootpath, len);
1294        total += len;
1295        g_free(bootpath);
1296    }
1297
1298    *size = total;
1299
1300    if (boot_strict && *size > 0) {
1301        list[total-1] = '\n';
1302        list = g_realloc(list, total + 5);
1303        memcpy(&list[total], "HALT", 5);
1304        *size = total + 5;
1305    }
1306    return list;
1307}
1308
1309static void numa_node_parse_cpus(int nodenr, const char *cpus)
1310{
1311    char *endptr;
1312    unsigned long long value, endvalue;
1313
1314    /* Empty CPU range strings will be considered valid, they will simply
1315     * not set any bit in the CPU bitmap.
1316     */
1317    if (!*cpus) {
1318        return;
1319    }
1320
1321    if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1322        goto error;
1323    }
1324    if (*endptr == '-') {
1325        if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1326            goto error;
1327        }
1328    } else if (*endptr == '\0') {
1329        endvalue = value;
1330    } else {
1331        goto error;
1332    }
1333
1334    if (endvalue >= MAX_CPUMASK_BITS) {
1335        endvalue = MAX_CPUMASK_BITS - 1;
1336        fprintf(stderr,
1337            "qemu: NUMA: A max of %d VCPUs are supported\n",
1338             MAX_CPUMASK_BITS);
1339    }
1340
1341    if (endvalue < value) {
1342        goto error;
1343    }
1344
1345    bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1346    return;
1347
1348error:
1349    fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1350    exit(1);
1351}
1352
1353static void numa_add(const char *optarg)
1354{
1355    char option[128];
1356    char *endptr;
1357    unsigned long long nodenr;
1358
1359    optarg = get_opt_name(option, 128, optarg, ',');
1360    if (*optarg == ',') {
1361        optarg++;
1362    }
1363    if (!strcmp(option, "node")) {
1364
1365        if (nb_numa_nodes >= MAX_NODES) {
1366            fprintf(stderr, "qemu: too many NUMA nodes\n");
1367            exit(1);
1368        }
1369
1370        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1371            nodenr = nb_numa_nodes;
1372        } else {
1373            if (parse_uint_full(option, &nodenr, 10) < 0) {
1374                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1375                exit(1);
1376            }
1377        }
1378
1379        if (nodenr >= MAX_NODES) {
1380            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1381            exit(1);
1382        }
1383
1384        if (get_param_value(option, 128, "mem", optarg) == 0) {
1385            node_mem[nodenr] = 0;
1386        } else {
1387            int64_t sval;
1388            sval = strtosz(option, &endptr);
1389            if (sval < 0 || *endptr) {
1390                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1391                exit(1);
1392            }
1393            node_mem[nodenr] = sval;
1394        }
1395        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1396            numa_node_parse_cpus(nodenr, option);
1397        }
1398        nb_numa_nodes++;
1399    } else {
1400        fprintf(stderr, "Invalid -numa option: %s\n", option);
1401        exit(1);
1402    }
1403}
1404
1405static void smp_parse(const char *optarg)
1406{
1407    int smp, sockets = 0, threads = 0, cores = 0;
1408    char *endptr;
1409    char option[128];
1410
1411    smp = strtoul(optarg, &endptr, 10);
1412    if (endptr != optarg) {
1413        if (*endptr == ',') {
1414            endptr++;
1415        }
1416    }
1417    if (get_param_value(option, 128, "sockets", endptr) != 0)
1418        sockets = strtoull(option, NULL, 10);
1419    if (get_param_value(option, 128, "cores", endptr) != 0)
1420        cores = strtoull(option, NULL, 10);
1421    if (get_param_value(option, 128, "threads", endptr) != 0)
1422        threads = strtoull(option, NULL, 10);
1423    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1424        max_cpus = strtoull(option, NULL, 10);
1425
1426    /* compute missing values, prefer sockets over cores over threads */
1427    if (smp == 0 || sockets == 0) {
1428        sockets = sockets > 0 ? sockets : 1;
1429        cores = cores > 0 ? cores : 1;
1430        threads = threads > 0 ? threads : 1;
1431        if (smp == 0) {
1432            smp = cores * threads * sockets;
1433        }
1434    } else {
1435        if (cores == 0) {
1436            threads = threads > 0 ? threads : 1;
1437            cores = smp / (sockets * threads);
1438        } else {
1439            threads = smp / (cores * sockets);
1440        }
1441    }
1442    smp_cpus = smp;
1443    smp_cores = cores > 0 ? cores : 1;
1444    smp_threads = threads > 0 ? threads : 1;
1445    if (max_cpus == 0)
1446        max_cpus = smp_cpus;
1447}
1448
1449static void configure_realtime(QemuOpts *opts)
1450{
1451    bool enable_mlock;
1452
1453    enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1454
1455    if (enable_mlock) {
1456        if (os_mlock() < 0) {
1457            fprintf(stderr, "qemu: locking memory failed\n");
1458            exit(1);
1459        }
1460    }
1461}
1462
1463/***********************************************************/
1464/* USB devices */
1465
1466static int usb_device_add(const char *devname)
1467{
1468    const char *p;
1469    USBDevice *dev = NULL;
1470
1471    if (!usb_enabled(false)) {
1472        return -1;
1473    }
1474
1475    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1476    dev = usbdevice_create(devname);
1477    if (dev)
1478        goto done;
1479
1480    /* the other ones */
1481#ifndef CONFIG_LINUX
1482    /* only the linux version is qdev-ified, usb-bsd still needs this */
1483    if (strstart(devname, "host:", &p)) {
1484        dev = usb_host_device_open(usb_bus_find(-1), p);
1485    } else
1486#endif
1487    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1488        dev = usb_bt_init(usb_bus_find(-1),
1489                          devname[2] ? hci_init(p)
1490                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1491    } else {
1492        return -1;
1493    }
1494    if (!dev)
1495        return -1;
1496
1497done:
1498    return 0;
1499}
1500
1501static int usb_device_del(const char *devname)
1502{
1503    int bus_num, addr;
1504    const char *p;
1505
1506    if (strstart(devname, "host:", &p)) {
1507        return -1;
1508    }
1509
1510    if (!usb_enabled(false)) {
1511        return -1;
1512    }
1513
1514    p = strchr(devname, '.');
1515    if (!p)
1516        return -1;
1517    bus_num = strtoul(devname, NULL, 0);
1518    addr = strtoul(p + 1, NULL, 0);
1519
1520    return usb_device_delete_addr(bus_num, addr);
1521}
1522
1523static int usb_parse(const char *cmdline)
1524{
1525    int r;
1526    r = usb_device_add(cmdline);
1527    if (r < 0) {
1528        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1529    }
1530    return r;
1531}
1532
1533void do_usb_add(Monitor *mon, const QDict *qdict)
1534{
1535    const char *devname = qdict_get_str(qdict, "devname");
1536    if (usb_device_add(devname) < 0) {
1537        error_report("could not add USB device '%s'", devname);
1538    }
1539}
1540
1541void do_usb_del(Monitor *mon, const QDict *qdict)
1542{
1543    const char *devname = qdict_get_str(qdict, "devname");
1544    if (usb_device_del(devname) < 0) {
1545        error_report("could not delete USB device '%s'", devname);
1546    }
1547}
1548
1549/***********************************************************/
1550/* PCMCIA/Cardbus */
1551
1552static struct pcmcia_socket_entry_s {
1553    PCMCIASocket *socket;
1554    struct pcmcia_socket_entry_s *next;
1555} *pcmcia_sockets = 0;
1556
1557void pcmcia_socket_register(PCMCIASocket *socket)
1558{
1559    struct pcmcia_socket_entry_s *entry;
1560
1561    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1562    entry->socket = socket;
1563    entry->next = pcmcia_sockets;
1564    pcmcia_sockets = entry;
1565}
1566
1567void pcmcia_socket_unregister(PCMCIASocket *socket)
1568{
1569    struct pcmcia_socket_entry_s *entry, **ptr;
1570
1571    ptr = &pcmcia_sockets;
1572    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1573        if (entry->socket == socket) {
1574            *ptr = entry->next;
1575            g_free(entry);
1576        }
1577}
1578
1579void pcmcia_info(Monitor *mon, const QDict *qdict)
1580{
1581    struct pcmcia_socket_entry_s *iter;
1582
1583    if (!pcmcia_sockets)
1584        monitor_printf(mon, "No PCMCIA sockets\n");
1585
1586    for (iter = pcmcia_sockets; iter; iter = iter->next)
1587        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1588                       iter->socket->attached ? iter->socket->card_string :
1589                       "Empty");
1590}
1591
1592/***********************************************************/
1593/* machine registration */
1594
1595static QEMUMachine *first_machine = NULL;
1596QEMUMachine *current_machine = NULL;
1597
1598int qemu_register_machine(QEMUMachine *m)
1599{
1600    QEMUMachine **pm;
1601    pm = &first_machine;
1602    while (*pm != NULL)
1603        pm = &(*pm)->next;
1604    m->next = NULL;
1605    *pm = m;
1606    return 0;
1607}
1608
1609static QEMUMachine *find_machine(const char *name)
1610{
1611    QEMUMachine *m;
1612
1613    for(m = first_machine; m != NULL; m = m->next) {
1614        if (!strcmp(m->name, name))
1615            return m;
1616        if (m->alias && !strcmp(m->alias, name))
1617            return m;
1618    }
1619    return NULL;
1620}
1621
1622QEMUMachine *find_default_machine(void)
1623{
1624    QEMUMachine *m;
1625
1626    for(m = first_machine; m != NULL; m = m->next) {
1627        if (m->is_default) {
1628            return m;
1629        }
1630    }
1631    return NULL;
1632}
1633
1634MachineInfoList *qmp_query_machines(Error **errp)
1635{
1636    MachineInfoList *mach_list = NULL;
1637    QEMUMachine *m;
1638
1639    for (m = first_machine; m; m = m->next) {
1640        MachineInfoList *entry;
1641        MachineInfo *info;
1642
1643        info = g_malloc0(sizeof(*info));
1644        if (m->is_default) {
1645            info->has_is_default = true;
1646            info->is_default = true;
1647        }
1648
1649        if (m->alias) {
1650            info->has_alias = true;
1651            info->alias = g_strdup(m->alias);
1652        }
1653
1654        info->name = g_strdup(m->name);
1655        info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1656
1657        entry = g_malloc0(sizeof(*entry));
1658        entry->value = info;
1659        entry->next = mach_list;
1660        mach_list = entry;
1661    }
1662
1663    return mach_list;
1664}
1665
1666/***********************************************************/
1667/* main execution loop */
1668
1669struct vm_change_state_entry {
1670    VMChangeStateHandler *cb;
1671    void *opaque;
1672    QLIST_ENTRY (vm_change_state_entry) entries;
1673};
1674
1675static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1676
1677VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1678                                                     void *opaque)
1679{
1680    VMChangeStateEntry *e;
1681
1682    e = g_malloc0(sizeof (*e));
1683
1684    e->cb = cb;
1685    e->opaque = opaque;
1686    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1687    return e;
1688}
1689
1690void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1691{
1692    QLIST_REMOVE (e, entries);
1693    g_free (e);
1694}
1695
1696void vm_state_notify(int running, RunState state)
1697{
1698    VMChangeStateEntry *e;
1699
1700    trace_vm_state_notify(running, state);
1701
1702    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1703        e->cb(e->opaque, running, state);
1704    }
1705}
1706
1707void vm_start(void)
1708{
1709    if (!runstate_is_running()) {
1710        cpu_enable_ticks();
1711        runstate_set(RUN_STATE_RUNNING);
1712        vm_state_notify(1, RUN_STATE_RUNNING);
1713        resume_all_vcpus();
1714        monitor_protocol_event(QEVENT_RESUME, NULL);
1715    }
1716}
1717
1718/* reset/shutdown handler */
1719
1720typedef struct QEMUResetEntry {
1721    QTAILQ_ENTRY(QEMUResetEntry) entry;
1722    QEMUResetHandler *func;
1723    void *opaque;
1724} QEMUResetEntry;
1725
1726static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1727    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1728static int reset_requested;
1729static int shutdown_requested, shutdown_signal = -1;
1730static pid_t shutdown_pid;
1731static int powerdown_requested;
1732static int debug_requested;
1733static int suspend_requested;
1734static int wakeup_requested;
1735static NotifierList powerdown_notifiers =
1736    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1737static NotifierList suspend_notifiers =
1738    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1739static NotifierList wakeup_notifiers =
1740    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1741static uint32_t wakeup_reason_mask = ~0;
1742static RunState vmstop_requested = RUN_STATE_MAX;
1743
1744int qemu_shutdown_requested_get(void)
1745{
1746    return shutdown_requested;
1747}
1748
1749int qemu_reset_requested_get(void)
1750{
1751    return reset_requested;
1752}
1753
1754static int qemu_shutdown_requested(void)
1755{
1756    int r = shutdown_requested;
1757    shutdown_requested = 0;
1758    return r;
1759}
1760
1761static void qemu_kill_report(void)
1762{
1763    if (!qtest_enabled() && shutdown_signal != -1) {
1764        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1765        if (shutdown_pid == 0) {
1766            /* This happens for eg ^C at the terminal, so it's worth
1767             * avoiding printing an odd message in that case.
1768             */
1769            fputc('\n', stderr);
1770        } else {
1771            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1772        }
1773        shutdown_signal = -1;
1774    }
1775}
1776
1777static int qemu_reset_requested(void)
1778{
1779    int r = reset_requested;
1780    reset_requested = 0;
1781    return r;
1782}
1783
1784static int qemu_suspend_requested(void)
1785{
1786    int r = suspend_requested;
1787    suspend_requested = 0;
1788    return r;
1789}
1790
1791static int qemu_wakeup_requested(void)
1792{
1793    int r = wakeup_requested;
1794    wakeup_requested = 0;
1795    return r;
1796}
1797
1798static int qemu_powerdown_requested(void)
1799{
1800    int r = powerdown_requested;
1801    powerdown_requested = 0;
1802    return r;
1803}
1804
1805static int qemu_debug_requested(void)
1806{
1807    int r = debug_requested;
1808    debug_requested = 0;
1809    return r;
1810}
1811
1812/* We use RUN_STATE_MAX but any invalid value will do */
1813static bool qemu_vmstop_requested(RunState *r)
1814{
1815    if (vmstop_requested < RUN_STATE_MAX) {
1816        *r = vmstop_requested;
1817        vmstop_requested = RUN_STATE_MAX;
1818        return true;
1819    }
1820
1821    return false;
1822}
1823
1824void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1825{
1826    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1827
1828    re->func = func;
1829    re->opaque = opaque;
1830    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1831}
1832
1833void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1834{
1835    QEMUResetEntry *re;
1836
1837    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1838        if (re->func == func && re->opaque == opaque) {
1839            QTAILQ_REMOVE(&reset_handlers, re, entry);
1840            g_free(re);
1841            return;
1842        }
1843    }
1844}
1845
1846void qemu_devices_reset(void)
1847{
1848    QEMUResetEntry *re, *nre;
1849
1850    /* reset all devices */
1851    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1852        re->func(re->opaque);
1853    }
1854}
1855
1856void qemu_system_reset(bool report)
1857{
1858    if (current_machine && current_machine->reset) {
1859        current_machine->reset();
1860    } else {
1861        qemu_devices_reset();
1862    }
1863    if (report) {
1864        monitor_protocol_event(QEVENT_RESET, NULL);
1865    }
1866    cpu_synchronize_all_post_reset();
1867}
1868
1869void qemu_system_reset_request(void)
1870{
1871    if (no_reboot) {
1872        shutdown_requested = 1;
1873    } else {
1874        reset_requested = 1;
1875    }
1876    cpu_stop_current();
1877    qemu_notify_event();
1878}
1879
1880static void qemu_system_suspend(void)
1881{
1882    pause_all_vcpus();
1883    notifier_list_notify(&suspend_notifiers, NULL);
1884    runstate_set(RUN_STATE_SUSPENDED);
1885    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1886}
1887
1888void qemu_system_suspend_request(void)
1889{
1890    if (runstate_check(RUN_STATE_SUSPENDED)) {
1891        return;
1892    }
1893    suspend_requested = 1;
1894    cpu_stop_current();
1895    qemu_notify_event();
1896}
1897
1898void qemu_register_suspend_notifier(Notifier *notifier)
1899{
1900    notifier_list_add(&suspend_notifiers, notifier);
1901}
1902
1903void qemu_system_wakeup_request(WakeupReason reason)
1904{
1905    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1906        return;
1907    }
1908    if (!(wakeup_reason_mask & (1 << reason))) {
1909        return;
1910    }
1911    runstate_set(RUN_STATE_RUNNING);
1912    notifier_list_notify(&wakeup_notifiers, &reason);
1913    wakeup_requested = 1;
1914    qemu_notify_event();
1915}
1916
1917void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1918{
1919    if (enabled) {
1920        wakeup_reason_mask |= (1 << reason);
1921    } else {
1922        wakeup_reason_mask &= ~(1 << reason);
1923    }
1924}
1925
1926void qemu_register_wakeup_notifier(Notifier *notifier)
1927{
1928    notifier_list_add(&wakeup_notifiers, notifier);
1929}
1930
1931void qemu_system_killed(int signal, pid_t pid)
1932{
1933    shutdown_signal = signal;
1934    shutdown_pid = pid;
1935    no_shutdown = 0;
1936    qemu_system_shutdown_request();
1937}
1938
1939void qemu_system_shutdown_request(void)
1940{
1941    shutdown_requested = 1;
1942    qemu_notify_event();
1943}
1944
1945static void qemu_system_powerdown(void)
1946{
1947    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1948    notifier_list_notify(&powerdown_notifiers, NULL);
1949}
1950
1951void qemu_system_powerdown_request(void)
1952{
1953    powerdown_requested = 1;
1954    qemu_notify_event();
1955}
1956
1957void qemu_register_powerdown_notifier(Notifier *notifier)
1958{
1959    notifier_list_add(&powerdown_notifiers, notifier);
1960}
1961
1962void qemu_system_debug_request(void)
1963{
1964    debug_requested = 1;
1965    qemu_notify_event();
1966}
1967
1968void qemu_system_vmstop_request(RunState state)
1969{
1970    vmstop_requested = state;
1971    qemu_notify_event();
1972}
1973
1974static bool main_loop_should_exit(void)
1975{
1976    RunState r;
1977    if (qemu_debug_requested()) {
1978        vm_stop(RUN_STATE_DEBUG);
1979    }
1980    if (qemu_suspend_requested()) {
1981        qemu_system_suspend();
1982    }
1983    if (qemu_shutdown_requested()) {
1984        qemu_kill_report();
1985        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1986        if (no_shutdown) {
1987            vm_stop(RUN_STATE_SHUTDOWN);
1988        } else {
1989            return true;
1990        }
1991    }
1992    if (qemu_reset_requested()) {
1993        pause_all_vcpus();
1994        cpu_synchronize_all_states();
1995        qemu_system_reset(VMRESET_REPORT);
1996        resume_all_vcpus();
1997        if (runstate_needs_reset()) {
1998            runstate_set(RUN_STATE_PAUSED);
1999        }
2000    }
2001    if (qemu_wakeup_requested()) {
2002        pause_all_vcpus();
2003        cpu_synchronize_all_states();
2004        qemu_system_reset(VMRESET_SILENT);
2005        resume_all_vcpus();
2006        monitor_protocol_event(QEVENT_WAKEUP, NULL);
2007    }
2008    if (qemu_powerdown_requested()) {
2009        qemu_system_powerdown();
2010    }
2011    if (qemu_vmstop_requested(&r)) {
2012        vm_stop(r);
2013    }
2014    return false;
2015}
2016
2017static void main_loop(void)
2018{
2019    bool nonblocking;
2020    int last_io = 0;
2021#ifdef CONFIG_PROFILER
2022    int64_t ti;
2023#endif
2024    do {
2025        nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2026#ifdef CONFIG_PROFILER
2027        ti = profile_getclock();
2028#endif
2029        last_io = main_loop_wait(nonblocking);
2030#ifdef CONFIG_PROFILER
2031        dev_time += profile_getclock() - ti;
2032#endif
2033    } while (!main_loop_should_exit());
2034}
2035
2036static void version(void)
2037{
2038    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2039}
2040
2041static void help(int exitcode)
2042{
2043    version();
2044    printf("usage: %s [options] [disk_image]\n\n"
2045           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2046            error_get_progname());
2047
2048#define QEMU_OPTIONS_GENERATE_HELP
2049#include "qemu-options-wrapper.h"
2050
2051    printf("\nDuring emulation, the following keys are useful:\n"
2052           "ctrl-alt-f      toggle full screen\n"
2053           "ctrl-alt-n      switch to virtual console 'n'\n"
2054           "ctrl-alt        toggle mouse and keyboard grab\n"
2055           "\n"
2056           "When using -nographic, press 'ctrl-a h' to get some help.\n");
2057
2058    exit(exitcode);
2059}
2060
2061#define HAS_ARG 0x0001
2062
2063typedef struct QEMUOption {
2064    const char *name;
2065    int flags;
2066    int index;
2067    uint32_t arch_mask;
2068} QEMUOption;
2069
2070static const QEMUOption qemu_options[] = {
2071    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2072#define QEMU_OPTIONS_GENERATE_OPTIONS
2073#include "qemu-options-wrapper.h"
2074    { NULL },
2075};
2076
2077static bool vga_available(void)
2078{
2079    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2080}
2081
2082static bool cirrus_vga_available(void)
2083{
2084    return object_class_by_name("cirrus-vga")
2085           || object_class_by_name("isa-cirrus-vga");
2086}
2087
2088static bool vmware_vga_available(void)
2089{
2090    return object_class_by_name("vmware-svga");
2091}
2092
2093static bool qxl_vga_available(void)
2094{
2095    return object_class_by_name("qxl-vga");
2096}
2097
2098static void select_vgahw (const char *p)
2099{
2100    const char *opts;
2101
2102    vga_interface_type = VGA_NONE;
2103    if (strstart(p, "std", &opts)) {
2104        if (vga_available()) {
2105            vga_interface_type = VGA_STD;
2106        } else {
2107            fprintf(stderr, "Error: standard VGA not available\n");
2108            exit(0);
2109        }
2110    } else if (strstart(p, "cirrus", &opts)) {
2111        if (cirrus_vga_available()) {
2112            vga_interface_type = VGA_CIRRUS;
2113        } else {
2114            fprintf(stderr, "Error: Cirrus VGA not available\n");
2115            exit(0);
2116        }
2117    } else if (strstart(p, "vmware", &opts)) {
2118        if (vmware_vga_available()) {
2119            vga_interface_type = VGA_VMWARE;
2120        } else {
2121            fprintf(stderr, "Error: VMWare SVGA not available\n");
2122            exit(0);
2123        }
2124    } else if (strstart(p, "xenfb", &opts)) {
2125        vga_interface_type = VGA_XENFB;
2126    } else if (strstart(p, "qxl", &opts)) {
2127        if (qxl_vga_available()) {
2128            vga_interface_type = VGA_QXL;
2129        } else {
2130            fprintf(stderr, "Error: QXL VGA not available\n");
2131            exit(0);
2132        }
2133    } else if (!strstart(p, "none", &opts)) {
2134    invalid_vga:
2135        fprintf(stderr, "Unknown vga type: %s\n", p);
2136        exit(1);
2137    }
2138    while (*opts) {
2139        const char *nextopt;
2140
2141        if (strstart(opts, ",retrace=", &nextopt)) {
2142            opts = nextopt;
2143            if (strstart(opts, "dumb", &nextopt))
2144                vga_retrace_method = VGA_RETRACE_DUMB;
2145            else if (strstart(opts, "precise", &nextopt))
2146                vga_retrace_method = VGA_RETRACE_PRECISE;
2147            else goto invalid_vga;
2148        } else goto invalid_vga;
2149        opts = nextopt;
2150    }
2151}
2152
2153static DisplayType select_display(const char *p)
2154{
2155    const char *opts;
2156    DisplayType display = DT_DEFAULT;
2157
2158    if (strstart(p, "sdl", &opts)) {
2159#ifdef CONFIG_SDL
2160        display = DT_SDL;
2161        while (*opts) {
2162            const char *nextopt;
2163
2164            if (strstart(opts, ",frame=", &nextopt)) {
2165                opts = nextopt;
2166                if (strstart(opts, "on", &nextopt)) {
2167                    no_frame = 0;
2168                } else if (strstart(opts, "off", &nextopt)) {
2169                    no_frame = 1;
2170                } else {
2171                    goto invalid_sdl_args;
2172                }
2173            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2174                opts = nextopt;
2175                if (strstart(opts, "on", &nextopt)) {
2176                    alt_grab = 1;
2177                } else if (strstart(opts, "off", &nextopt)) {
2178                    alt_grab = 0;
2179                } else {
2180                    goto invalid_sdl_args;
2181                }
2182            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2183                opts = nextopt;
2184                if (strstart(opts, "on", &nextopt)) {
2185                    ctrl_grab = 1;
2186                } else if (strstart(opts, "off", &nextopt)) {
2187                    ctrl_grab = 0;
2188                } else {
2189                    goto invalid_sdl_args;
2190                }
2191            } else if (strstart(opts, ",window_close=", &nextopt)) {
2192                opts = nextopt;
2193                if (strstart(opts, "on", &nextopt)) {
2194                    no_quit = 0;
2195                } else if (strstart(opts, "off", &nextopt)) {
2196                    no_quit = 1;
2197                } else {
2198                    goto invalid_sdl_args;
2199                }
2200            } else {
2201            invalid_sdl_args:
2202                fprintf(stderr, "Invalid SDL option string: %s\n", p);
2203                exit(1);
2204            }
2205            opts = nextopt;
2206        }
2207#else
2208        fprintf(stderr, "SDL support is disabled\n");
2209        exit(1);
2210#endif
2211    } else if (strstart(p, "vnc", &opts)) {
2212#ifdef CONFIG_VNC
2213        display_remote++;
2214
2215        if (*opts) {
2216            const char *nextopt;
2217
2218            if (strstart(opts, "=", &nextopt)) {
2219                vnc_display = nextopt;
2220            }
2221        }
2222        if (!vnc_display) {
2223            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2224            exit(1);
2225        }
2226#else
2227        fprintf(stderr, "VNC support is disabled\n");
2228        exit(1);
2229#endif
2230    } else if (strstart(p, "curses", &opts)) {
2231#ifdef CONFIG_CURSES
2232        display = DT_CURSES;
2233#else
2234        fprintf(stderr, "Curses support is disabled\n");
2235        exit(1);
2236#endif
2237    } else if (strstart(p, "gtk", &opts)) {
2238#ifdef CONFIG_GTK
2239        display = DT_GTK;
2240#else
2241        fprintf(stderr, "GTK support is disabled\n");
2242        exit(1);
2243#endif
2244    } else if (strstart(p, "none", &opts)) {
2245        display = DT_NONE;
2246    } else {
2247        fprintf(stderr, "Unknown display type: %s\n", p);
2248        exit(1);
2249    }
2250
2251    return display;
2252}
2253
2254static int balloon_parse(const char *arg)
2255{
2256    QemuOpts *opts;
2257
2258    if (strcmp(arg, "none") == 0) {
2259        return 0;
2260    }
2261
2262    if (!strncmp(arg, "virtio", 6)) {
2263        if (arg[6] == ',') {
2264            /* have params -> parse them */
2265            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2266            if (!opts)
2267                return  -1;
2268        } else {
2269            /* create empty opts */
2270            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2271        }
2272        qemu_opt_set(opts, "driver", "virtio-balloon");
2273        return 0;
2274    }
2275
2276    return -1;
2277}
2278
2279char *qemu_find_file(int type, const char *name)
2280{
2281    int i;
2282    const char *subdir;
2283    char *buf;
2284
2285    /* Try the name as a straight path first */
2286    if (access(name, R_OK) == 0) {
2287        trace_load_file(name, name);
2288        return g_strdup(name);
2289    }
2290
2291    switch (type) {
2292    case QEMU_FILE_TYPE_BIOS:
2293        subdir = "";
2294        break;
2295    case QEMU_FILE_TYPE_KEYMAP:
2296        subdir = "keymaps/";
2297        break;
2298    default:
2299        abort();
2300    }
2301
2302    for (i = 0; i < data_dir_idx; i++) {
2303        buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2304        if (access(buf, R_OK) == 0) {
2305            trace_load_file(name, buf);
2306            return buf;
2307        }
2308        g_free(buf);
2309    }
2310    return NULL;
2311}
2312
2313static int device_help_func(QemuOpts *opts, void *opaque)
2314{
2315    return qdev_device_help(opts);
2316}
2317
2318static int device_init_func(QemuOpts *opts, void *opaque)
2319{
2320    DeviceState *dev;
2321
2322    dev = qdev_device_add(opts);
2323    if (!dev)
2324        return -1;
2325    object_unref(OBJECT(dev));
2326    return 0;
2327}
2328
2329static int chardev_init_func(QemuOpts *opts, void *opaque)
2330{
2331    Error *local_err = NULL;
2332
2333    qemu_chr_new_from_opts(opts, NULL, &local_err);
2334    if (error_is_set(&local_err)) {
2335        fprintf(stderr, "%s\n", error_get_pretty(local_err));
2336        error_free(local_err);
2337        return -1;
2338    }
2339    return 0;
2340}
2341
2342#ifdef CONFIG_VIRTFS
2343static int fsdev_init_func(QemuOpts *opts, void *opaque)
2344{
2345    int ret;
2346    ret = qemu_fsdev_add(opts);
2347
2348    return ret;
2349}
2350#endif
2351
2352static int mon_init_func(QemuOpts *opts, void *opaque)
2353{
2354    CharDriverState *chr;
2355    const char *chardev;
2356    const char *mode;
2357    int flags;
2358
2359    mode = qemu_opt_get(opts, "mode");
2360    if (mode == NULL) {
2361        mode = "readline";
2362    }
2363    if (strcmp(mode, "readline") == 0) {
2364        flags = MONITOR_USE_READLINE;
2365    } else if (strcmp(mode, "control") == 0) {
2366        flags = MONITOR_USE_CONTROL;
2367    } else {
2368        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2369        exit(1);
2370    }
2371
2372    if (qemu_opt_get_bool(opts, "pretty", 0))
2373        flags |= MONITOR_USE_PRETTY;
2374
2375    if (qemu_opt_get_bool(opts, "default", 0))
2376        flags |= MONITOR_IS_DEFAULT;
2377
2378    chardev = qemu_opt_get(opts, "chardev");
2379    chr = qemu_chr_find(chardev);
2380    if (chr == NULL) {
2381        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2382        exit(1);
2383    }
2384
2385    qemu_chr_fe_claim_no_fail(chr);
2386    monitor_init(chr, flags);
2387    return 0;
2388}
2389
2390static void monitor_parse(const char *optarg, const char *mode)
2391{
2392    static int monitor_device_index = 0;
2393    QemuOpts *opts;
2394    const char *p;
2395    char label[32];
2396    int def = 0;
2397
2398    if (strstart(optarg, "chardev:", &p)) {
2399        snprintf(label, sizeof(label), "%s", p);
2400    } else {
2401        snprintf(label, sizeof(label), "compat_monitor%d",
2402                 monitor_device_index);
2403        if (monitor_device_index == 0) {
2404            def = 1;
2405        }
2406        opts = qemu_chr_parse_compat(label, optarg);
2407        if (!opts) {
2408            fprintf(stderr, "parse error: %s\n", optarg);
2409            exit(1);
2410        }
2411    }
2412
2413    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2414    if (!opts) {
2415        fprintf(stderr, "duplicate chardev: %s\n", label);
2416        exit(1);
2417    }
2418    qemu_opt_set(opts, "mode", mode);
2419    qemu_opt_set(opts, "chardev", label);
2420    if (def)
2421        qemu_opt_set(opts, "default", "on");
2422    monitor_device_index++;
2423}
2424
2425struct device_config {
2426    enum {
2427        DEV_USB,       /* -usbdevice     */
2428        DEV_BT,        /* -bt            */
2429        DEV_SERIAL,    /* -serial        */
2430        DEV_PARALLEL,  /* -parallel      */
2431        DEV_VIRTCON,   /* -virtioconsole */
2432        DEV_DEBUGCON,  /* -debugcon */
2433        DEV_GDB,       /* -gdb, -s */
2434        DEV_SCLP,      /* s390 sclp */
2435    } type;
2436    const char *cmdline;
2437    Location loc;
2438    QTAILQ_ENTRY(device_config) next;
2439};
2440
2441static QTAILQ_HEAD(, device_config) device_configs =
2442    QTAILQ_HEAD_INITIALIZER(device_configs);
2443
2444static void add_device_config(int type, const char *cmdline)
2445{
2446    struct device_config *conf;
2447
2448    conf = g_malloc0(sizeof(*conf));
2449    conf->type = type;
2450    conf->cmdline = cmdline;
2451    loc_save(&conf->loc);
2452    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2453}
2454
2455static int foreach_device_config(int type, int (*func)(const char *cmdline))
2456{
2457    struct device_config *conf;
2458    int rc;
2459
2460    QTAILQ_FOREACH(conf, &device_configs, next) {
2461        if (conf->type != type)
2462            continue;
2463        loc_push_restore(&conf->loc);
2464        rc = func(conf->cmdline);
2465        loc_pop(&conf->loc);
2466        if (0 != rc)
2467            return rc;
2468    }
2469    return 0;
2470}
2471
2472static int serial_parse(const char *devname)
2473{
2474    static int index = 0;
2475    char label[32];
2476
2477    if (strcmp(devname, "none") == 0)
2478        return 0;
2479    if (index == MAX_SERIAL_PORTS) {
2480        fprintf(stderr, "qemu: too many serial ports\n");
2481        exit(1);
2482    }
2483    snprintf(label, sizeof(label), "serial%d", index);
2484    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2485    if (!serial_hds[index]) {
2486        fprintf(stderr, "qemu: could not connect serial device"
2487                " to character backend '%s'\n", devname);
2488        return -1;
2489    }
2490    index++;
2491    return 0;
2492}
2493
2494static int parallel_parse(const char *devname)
2495{
2496    static int index = 0;
2497    char label[32];
2498
2499    if (strcmp(devname, "none") == 0)
2500        return 0;
2501    if (index == MAX_PARALLEL_PORTS) {
2502        fprintf(stderr, "qemu: too many parallel ports\n");
2503        exit(1);
2504    }
2505    snprintf(label, sizeof(label), "parallel%d", index);
2506    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2507    if (!parallel_hds[index]) {
2508        fprintf(stderr, "qemu: could not connect parallel device"
2509                " to character backend '%s'\n", devname);
2510        return -1;
2511    }
2512    index++;
2513    return 0;
2514}
2515
2516static int virtcon_parse(const char *devname)
2517{
2518    QemuOptsList *device = qemu_find_opts("device");
2519    static int index = 0;
2520    char label[32];
2521    QemuOpts *bus_opts, *dev_opts;
2522
2523    if (strcmp(devname, "none") == 0)
2524        return 0;
2525    if (index == MAX_VIRTIO_CONSOLES) {
2526        fprintf(stderr, "qemu: too many virtio consoles\n");
2527        exit(1);
2528    }
2529
2530    bus_opts = qemu_opts_create_nofail(device);
2531    if (arch_type == QEMU_ARCH_S390X) {
2532        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2533    } else {
2534        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2535    }
2536
2537    dev_opts = qemu_opts_create_nofail(device);
2538    qemu_opt_set(dev_opts, "driver", "virtconsole");
2539
2540    snprintf(label, sizeof(label), "virtcon%d", index);
2541    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2542    if (!virtcon_hds[index]) {
2543        fprintf(stderr, "qemu: could not connect virtio console"
2544                " to character backend '%s'\n", devname);
2545        return -1;
2546    }
2547    qemu_opt_set(dev_opts, "chardev", label);
2548
2549    index++;
2550    return 0;
2551}
2552
2553static int sclp_parse(const char *devname)
2554{
2555    QemuOptsList *device = qemu_find_opts("device");
2556    static int index = 0;
2557    char label[32];
2558    QemuOpts *dev_opts;
2559
2560    if (strcmp(devname, "none") == 0) {
2561        return 0;
2562    }
2563    if (index == MAX_SCLP_CONSOLES) {
2564        fprintf(stderr, "qemu: too many sclp consoles\n");
2565        exit(1);
2566    }
2567
2568    assert(arch_type == QEMU_ARCH_S390X);
2569
2570    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2571    qemu_opt_set(dev_opts, "driver", "sclpconsole");
2572
2573    snprintf(label, sizeof(label), "sclpcon%d", index);
2574    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2575    if (!sclp_hds[index]) {
2576        fprintf(stderr, "qemu: could not connect sclp console"
2577                " to character backend '%s'\n", devname);
2578        return -1;
2579    }
2580    qemu_opt_set(dev_opts, "chardev", label);
2581
2582    index++;
2583    return 0;
2584}
2585
2586static int debugcon_parse(const char *devname)
2587{
2588    QemuOpts *opts;
2589
2590    if (!qemu_chr_new("debugcon", devname, NULL)) {
2591        exit(1);
2592    }
2593    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2594    if (!opts) {
2595        fprintf(stderr, "qemu: already have a debugcon device\n");
2596        exit(1);
2597    }
2598    qemu_opt_set(opts, "driver", "isa-debugcon");
2599    qemu_opt_set(opts, "chardev", "debugcon");
2600    return 0;
2601}
2602
2603static QEMUMachine *machine_parse(const char *name)
2604{
2605    QEMUMachine *m, *machine = NULL;
2606
2607    if (name) {
2608        machine = find_machine(name);
2609    }
2610    if (machine) {
2611        return machine;
2612    }
2613    printf("Supported machines are:\n");
2614    for (m = first_machine; m != NULL; m = m->next) {
2615        if (m->alias) {
2616            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2617        }
2618        printf("%-20s %s%s\n", m->name, m->desc,
2619               m->is_default ? " (default)" : "");
2620    }
2621    exit(!name || !is_help_option(name));
2622}
2623
2624static int tcg_init(void)
2625{
2626    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2627    return 0;
2628}
2629
2630static struct {
2631    const char *opt_name;
2632    const char *name;
2633    int (*available)(void);
2634    int (*init)(void);
2635    bool *allowed;
2636} accel_list[] = {
2637    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2638    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2639    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2640    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2641};
2642
2643static int configure_accelerator(void)
2644{
2645    const char *p = NULL;
2646    char buf[10];
2647    int i, ret;
2648    bool accel_initialised = false;
2649    bool init_failed = false;
2650
2651    QemuOptsList *list = qemu_find_opts("machine");
2652    if (!QTAILQ_EMPTY(&list->head)) {
2653        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2654    }
2655
2656    if (p == NULL) {
2657        /* Use the default "accelerator", tcg */
2658        p = "tcg";
2659    }
2660
2661    while (!accel_initialised && *p != '\0') {
2662        if (*p == ':') {
2663            p++;
2664        }
2665        p = get_opt_name(buf, sizeof (buf), p, ':');
2666        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2667            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2668                if (!accel_list[i].available()) {
2669                    printf("%s not supported for this target\n",
2670                           accel_list[i].name);
2671                    continue;
2672                }
2673                *(accel_list[i].allowed) = true;
2674                ret = accel_list[i].init();
2675                if (ret < 0) {
2676                    init_failed = true;
2677                    fprintf(stderr, "failed to initialize %s: %s\n",
2678                            accel_list[i].name,
2679                            strerror(-ret));
2680                    *(accel_list[i].allowed) = false;
2681                } else {
2682                    accel_initialised = true;
2683                }
2684                break;
2685            }
2686        }
2687        if (i == ARRAY_SIZE(accel_list)) {
2688            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2689        }
2690    }
2691
2692    if (!accel_initialised) {
2693        if (!init_failed) {
2694            fprintf(stderr, "No accelerator found!\n");
2695        }
2696        exit(1);
2697    }
2698
2699    if (init_failed) {
2700        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2701    }
2702
2703    return !accel_initialised;
2704}
2705
2706void qemu_add_exit_notifier(Notifier *notify)
2707{
2708    notifier_list_add(&exit_notifiers, notify);
2709}
2710
2711void qemu_remove_exit_notifier(Notifier *notify)
2712{
2713    notifier_remove(notify);
2714}
2715
2716static void qemu_run_exit_notifiers(void)
2717{
2718    notifier_list_notify(&exit_notifiers, NULL);
2719}
2720
2721void qemu_add_machine_init_done_notifier(Notifier *notify)
2722{
2723    notifier_list_add(&machine_init_done_notifiers, notify);
2724}
2725
2726static void qemu_run_machine_init_done_notifiers(void)
2727{
2728    notifier_list_notify(&machine_init_done_notifiers, NULL);
2729}
2730
2731static const QEMUOption *lookup_opt(int argc, char **argv,
2732                                    const char **poptarg, int *poptind)
2733{
2734    const QEMUOption *popt;
2735    int optind = *poptind;
2736    char *r = argv[optind];
2737    const char *optarg;
2738
2739    loc_set_cmdline(argv, optind, 1);
2740    optind++;
2741    /* Treat --foo the same as -foo.  */
2742    if (r[1] == '-')
2743        r++;
2744    popt = qemu_options;
2745    for(;;) {
2746        if (!popt->name) {
2747            error_report("invalid option");
2748            exit(1);
2749        }
2750        if (!strcmp(popt->name, r + 1))
2751            break;
2752        popt++;
2753    }
2754    if (popt->flags & HAS_ARG) {
2755        if (optind >= argc) {
2756            error_report("requires an argument");
2757            exit(1);
2758        }
2759        optarg = argv[optind++];
2760        loc_set_cmdline(argv, optind - 2, 2);
2761    } else {
2762        optarg = NULL;
2763    }
2764
2765    *poptarg = optarg;
2766    *poptind = optind;
2767
2768    return popt;
2769}
2770
2771static gpointer malloc_and_trace(gsize n_bytes)
2772{
2773    void *ptr = malloc(n_bytes);
2774    trace_g_malloc(n_bytes, ptr);
2775    return ptr;
2776}
2777
2778static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2779{
2780    void *ptr = realloc(mem, n_bytes);
2781    trace_g_realloc(mem, n_bytes, ptr);
2782    return ptr;
2783}
2784
2785static void free_and_trace(gpointer mem)
2786{
2787    trace_g_free(mem);
2788    free(mem);
2789}
2790
2791static int object_set_property(const char *name, const char *value, void *opaque)
2792{
2793    Object *obj = OBJECT(opaque);
2794    StringInputVisitor *siv;
2795    Error *local_err = NULL;
2796
2797    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2798        return 0;
2799    }
2800
2801    siv = string_input_visitor_new(value);
2802    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2803    string_input_visitor_cleanup(siv);
2804
2805    if (local_err) {
2806        qerror_report_err(local_err);
2807        error_free(local_err);
2808        return -1;
2809    }
2810
2811    return 0;
2812}
2813
2814static int object_create(QemuOpts *opts, void *opaque)
2815{
2816    const char *type = qemu_opt_get(opts, "qom-type");
2817    const char *id = qemu_opts_id(opts);
2818    Object *obj;
2819
2820    g_assert(type != NULL);
2821
2822    if (id == NULL) {
2823        qerror_report(QERR_MISSING_PARAMETER, "id");
2824        return -1;
2825    }
2826
2827    obj = object_new(type);
2828    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2829        return -1;
2830    }
2831
2832    object_property_add_child(container_get(object_get_root(), "/objects"),
2833                              id, obj, NULL);
2834
2835    return 0;
2836}
2837
2838int main(int argc, char **argv, char **envp)
2839{
2840    int i;
2841    int snapshot, linux_boot;
2842    const char *icount_option = NULL;
2843    const char *initrd_filename;
2844    const char *kernel_filename, *kernel_cmdline;
2845    char boot_devices[33] = "";
2846    DisplayState *ds;
2847    int cyls, heads, secs, translation;
2848    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2849    QemuOptsList *olist;
2850    int optind;
2851    const char *optarg;
2852    const char *loadvm = NULL;
2853    QEMUMachine *machine;
2854    const char *cpu_model;
2855    const char *vga_model = "none";
2856    const char *pid_file = NULL;
2857    const char *incoming = NULL;
2858#ifdef CONFIG_VNC
2859    int show_vnc_port = 0;
2860#endif
2861    bool defconfig = true;
2862    bool userconfig = true;
2863    const char *log_mask = NULL;
2864    const char *log_file = NULL;
2865    GMemVTable mem_trace = {
2866        .malloc = malloc_and_trace,
2867        .realloc = realloc_and_trace,
2868        .free = free_and_trace,
2869    };
2870    const char *trace_events = NULL;
2871    const char *trace_file = NULL;
2872
2873    atexit(qemu_run_exit_notifiers);
2874    error_set_progname(argv[0]);
2875
2876    g_mem_set_vtable(&mem_trace);
2877    if (!g_thread_supported()) {
2878#if !GLIB_CHECK_VERSION(2, 31, 0)
2879        g_thread_init(NULL);
2880#else
2881        fprintf(stderr, "glib threading failed to initialize.\n");
2882        exit(1);
2883#endif
2884    }
2885
2886    module_call_init(MODULE_INIT_QOM);
2887
2888    qemu_add_opts(&qemu_drive_opts);
2889    qemu_add_opts(&qemu_chardev_opts);
2890    qemu_add_opts(&qemu_device_opts);
2891    qemu_add_opts(&qemu_netdev_opts);
2892    qemu_add_opts(&qemu_net_opts);
2893    qemu_add_opts(&qemu_rtc_opts);
2894    qemu_add_opts(&qemu_global_opts);
2895    qemu_add_opts(&qemu_mon_opts);
2896    qemu_add_opts(&qemu_trace_opts);
2897    qemu_add_opts(&qemu_option_rom_opts);
2898    qemu_add_opts(&qemu_machine_opts);
2899    qemu_add_opts(&qemu_boot_opts);
2900    qemu_add_opts(&qemu_sandbox_opts);
2901    qemu_add_opts(&qemu_add_fd_opts);
2902    qemu_add_opts(&qemu_object_opts);
2903    qemu_add_opts(&qemu_tpmdev_opts);
2904    qemu_add_opts(&qemu_realtime_opts);
2905
2906    runstate_init();
2907
2908    init_clocks();
2909    rtc_clock = host_clock;
2910
2911    qemu_cache_utils_init(envp);
2912
2913    QLIST_INIT (&vm_change_state_head);
2914    os_setup_early_signal_handling();
2915
2916    module_call_init(MODULE_INIT_MACHINE);
2917    machine = find_default_machine();
2918    cpu_model = NULL;
2919    ram_size = 0;
2920    snapshot = 0;
2921    cyls = heads = secs = 0;
2922    translation = BIOS_ATA_TRANSLATION_AUTO;
2923
2924    for (i = 0; i < MAX_NODES; i++) {
2925        node_mem[i] = 0;
2926        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2927    }
2928
2929    nb_numa_nodes = 0;
2930    nb_nics = 0;
2931
2932    bdrv_init_with_whitelist();
2933
2934    autostart= 1;
2935
2936    /* first pass of option parsing */
2937    optind = 1;
2938    while (optind < argc) {
2939        if (argv[optind][0] != '-') {
2940            /* disk image */
2941            optind++;
2942            continue;
2943        } else {
2944            const QEMUOption *popt;
2945
2946            popt = lookup_opt(argc, argv, &optarg, &optind);
2947            switch (popt->index) {
2948            case QEMU_OPTION_nodefconfig:
2949                defconfig = false;
2950                break;
2951            case QEMU_OPTION_nouserconfig:
2952                userconfig = false;
2953                break;
2954            }
2955        }
2956    }
2957
2958    if (defconfig) {
2959        int ret;
2960        ret = qemu_read_default_config_files(userconfig);
2961        if (ret < 0) {
2962            exit(1);
2963        }
2964    }
2965
2966    /* second pass of option parsing */
2967    optind = 1;
2968    for(;;) {
2969        if (optind >= argc)
2970            break;
2971        if (argv[optind][0] != '-') {
2972            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2973        } else {
2974            const QEMUOption *popt;
2975
2976            popt = lookup_opt(argc, argv, &optarg, &optind);
2977            if (!(popt->arch_mask & arch_type)) {
2978                printf("Option %s not supported for this target\n", popt->name);
2979                exit(1);
2980            }
2981            switch(popt->index) {
2982            case QEMU_OPTION_M:
2983                machine = machine_parse(optarg);
2984                break;
2985            case QEMU_OPTION_no_kvm_irqchip: {
2986                olist = qemu_find_opts("machine");
2987                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2988                break;
2989            }
2990            case QEMU_OPTION_cpu:
2991                /* hw initialization will check this */
2992                cpu_model = optarg;
2993                break;
2994            case QEMU_OPTION_hda:
2995                {
2996                    char buf[256];
2997                    if (cyls == 0)
2998                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2999                    else
3000                        snprintf(buf, sizeof(buf),
3001                                 "%s,cyls=%d,heads=%d,secs=%d%s",
3002                                 HD_OPTS , cyls, heads, secs,
3003                                 translation == BIOS_ATA_TRANSLATION_LBA ?
3004                                 ",trans=lba" :
3005                                 translation == BIOS_ATA_TRANSLATION_NONE ?
3006                                 ",trans=none" : "");
3007                    drive_add(IF_DEFAULT, 0, optarg, buf);
3008                    break;
3009                }
3010            case QEMU_OPTION_hdb:
3011            case QEMU_OPTION_hdc:
3012            case QEMU_OPTION_hdd:
3013                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3014                          HD_OPTS);
3015                break;
3016            case QEMU_OPTION_drive:
3017                if (drive_def(optarg) == NULL) {
3018                    exit(1);
3019                }
3020                break;
3021            case QEMU_OPTION_set:
3022                if (qemu_set_option(optarg) != 0)
3023                    exit(1);
3024                break;
3025            case QEMU_OPTION_global:
3026                if (qemu_global_option(optarg) != 0)
3027                    exit(1);
3028                break;
3029            case QEMU_OPTION_mtdblock:
3030                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3031                break;
3032            case QEMU_OPTION_sd:
3033                drive_add(IF_SD, -1, optarg, SD_OPTS);
3034                break;
3035            case QEMU_OPTION_pflash:
3036                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3037                break;
3038            case QEMU_OPTION_snapshot:
3039                snapshot = 1;
3040                break;
3041            case QEMU_OPTION_hdachs:
3042                {
3043                    const char *p;
3044                    p = optarg;
3045                    cyls = strtol(p, (char **)&p, 0);
3046                    if (cyls < 1 || cyls > 16383)
3047                        goto chs_fail;
3048                    if (*p != ',')
3049                        goto chs_fail;
3050                    p++;
3051                    heads = strtol(p, (char **)&p, 0);
3052                    if (heads < 1 || heads > 16)
3053                        goto chs_fail;
3054                    if (*p != ',')
3055                        goto chs_fail;
3056                    p++;
3057                    secs = strtol(p, (char **)&p, 0);
3058                    if (secs < 1 || secs > 63)
3059                        goto chs_fail;
3060                    if (*p == ',') {
3061                        p++;
3062                        if (!strcmp(p, "none"))
3063                            translation = BIOS_ATA_TRANSLATION_NONE;
3064                        else if (!strcmp(p, "lba"))
3065                            translation = BIOS_ATA_TRANSLATION_LBA;
3066                        else if (!strcmp(p, "auto"))
3067                            translation = BIOS_ATA_TRANSLATION_AUTO;
3068                        else
3069                            goto chs_fail;
3070                    } else if (*p != '\0') {
3071                    chs_fail:
3072                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3073                        exit(1);
3074                    }
3075                    if (hda_opts != NULL) {
3076                        char num[16];
3077                        snprintf(num, sizeof(num), "%d", cyls);
3078                        qemu_opt_set(hda_opts, "cyls", num);
3079                        snprintf(num, sizeof(num), "%d", heads);
3080                        qemu_opt_set(hda_opts, "heads", num);
3081                        snprintf(num, sizeof(num), "%d", secs);
3082                        qemu_opt_set(hda_opts, "secs", num);
3083                        if (translation == BIOS_ATA_TRANSLATION_LBA)
3084                            qemu_opt_set(hda_opts, "trans", "lba");
3085                        if (translation == BIOS_ATA_TRANSLATION_NONE)
3086                            qemu_opt_set(hda_opts, "trans", "none");
3087                    }
3088                }
3089                break;
3090            case QEMU_OPTION_numa:
3091                numa_add(optarg);
3092                break;
3093            case QEMU_OPTION_display:
3094                display_type = select_display(optarg);
3095                break;
3096            case QEMU_OPTION_nographic:
3097                display_type = DT_NOGRAPHIC;
3098                break;
3099            case QEMU_OPTION_curses:
3100#ifdef CONFIG_CURSES
3101                display_type = DT_CURSES;
3102#else
3103                fprintf(stderr, "Curses support is disabled\n");
3104                exit(1);
3105#endif
3106                break;
3107            case QEMU_OPTION_portrait:
3108                graphic_rotate = 90;
3109                break;
3110            case QEMU_OPTION_rotate:
3111                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3112                if (graphic_rotate != 0 && graphic_rotate != 90 &&
3113                    graphic_rotate != 180 && graphic_rotate != 270) {
3114                    fprintf(stderr,
3115                        "qemu: only 90, 180, 270 deg rotation is available\n");
3116                    exit(1);
3117                }
3118                break;
3119            case QEMU_OPTION_kernel:
3120                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3121                break;
3122            case QEMU_OPTION_initrd:
3123                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3124                break;
3125            case QEMU_OPTION_append:
3126                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3127                break;
3128            case QEMU_OPTION_dtb:
3129                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3130                break;
3131            case QEMU_OPTION_cdrom:
3132                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3133                break;
3134            case QEMU_OPTION_boot:
3135                {
3136                    static const char * const params[] = {
3137                        "order", "once", "menu",
3138                        "splash", "splash-time",
3139                        "reboot-timeout", "strict", NULL
3140                    };
3141                    char buf[sizeof(boot_devices)];
3142                    char *standard_boot_devices;
3143                    int legacy = 0;
3144
3145                    if (!strchr(optarg, '=')) {
3146                        legacy = 1;
3147                        pstrcpy(buf, sizeof(buf), optarg);
3148                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3149                        fprintf(stderr,
3150                                "qemu: unknown boot parameter '%s' in '%s'\n",
3151                                buf, optarg);
3152                        exit(1);
3153                    }
3154
3155                    if (legacy ||
3156                        get_param_value(buf, sizeof(buf), "order", optarg)) {
3157                        validate_bootdevices(buf);
3158                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
3159                    }
3160                    if (!legacy) {
3161                        if (get_param_value(buf, sizeof(buf),
3162                                            "once", optarg)) {
3163                            validate_bootdevices(buf);
3164                            standard_boot_devices = g_strdup(boot_devices);
3165                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
3166                            qemu_register_reset(restore_boot_devices,
3167                                                standard_boot_devices);
3168                        }
3169                        if (get_param_value(buf, sizeof(buf),
3170                                            "menu", optarg)) {
3171                            if (!strcmp(buf, "on")) {
3172                                boot_menu = 1;
3173                            } else if (!strcmp(buf, "off")) {
3174                                boot_menu = 0;
3175                            } else {
3176                                fprintf(stderr,
3177                                        "qemu: invalid option value '%s'\n",
3178                                        buf);
3179                                exit(1);
3180                            }
3181                        }
3182                        if (get_param_value(buf, sizeof(buf),
3183                                            "strict", optarg)) {
3184                            if (!strcmp(buf, "on")) {
3185                                boot_strict = true;
3186                            } else if (!strcmp(buf, "off")) {
3187                                boot_strict = false;
3188                            } else {
3189                                fprintf(stderr,
3190                                        "qemu: invalid option value '%s'\n",
3191                                        buf);
3192                                exit(1);
3193                            }
3194                        }
3195                        if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3196                                             optarg, 0)) {
3197                            exit(1);
3198                        }
3199                    }
3200                }
3201                break;
3202            case QEMU_OPTION_fda:
3203            case QEMU_OPTION_fdb:
3204                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3205                          optarg, FD_OPTS);
3206                break;
3207            case QEMU_OPTION_no_fd_bootchk:
3208                fd_bootchk = 0;
3209                break;
3210            case QEMU_OPTION_netdev:
3211                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3212                    exit(1);
3213                }
3214                break;
3215            case QEMU_OPTION_net:
3216                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3217                    exit(1);
3218                }
3219                break;
3220#ifdef CONFIG_LIBISCSI
3221            case QEMU_OPTION_iscsi:
3222                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3223                if (!opts) {
3224                    exit(1);
3225                }
3226                break;
3227#endif
3228#ifdef CONFIG_SLIRP
3229            case QEMU_OPTION_tftp:
3230                legacy_tftp_prefix = optarg;
3231                break;
3232            case QEMU_OPTION_bootp:
3233                legacy_bootp_filename = optarg;
3234                break;
3235            case QEMU_OPTION_redir:
3236                if (net_slirp_redir(optarg) < 0)
3237                    exit(1);
3238                break;
3239#endif
3240            case QEMU_OPTION_bt:
3241                add_device_config(DEV_BT, optarg);
3242                break;
3243            case QEMU_OPTION_audio_help:
3244                AUD_help ();
3245                exit (0);
3246                break;
3247            case QEMU_OPTION_soundhw:
3248                select_soundhw (optarg);
3249                break;
3250            case QEMU_OPTION_h:
3251                help(0);
3252                break;
3253            case QEMU_OPTION_version:
3254                version();
3255                exit(0);
3256                break;
3257            case QEMU_OPTION_m: {
3258                int64_t value;
3259                uint64_t sz;
3260                char *end;
3261
3262                value = strtosz(optarg, &end);
3263                if (value < 0 || *end) {
3264                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3265                    exit(1);
3266                }
3267                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3268                ram_size = sz;
3269                if (ram_size != sz) {
3270                    fprintf(stderr, "qemu: ram size too large\n");
3271                    exit(1);
3272                }
3273                break;
3274            }
3275#ifdef CONFIG_TPM
3276            case QEMU_OPTION_tpmdev:
3277                if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3278                    exit(1);
3279                }
3280                break;
3281#endif
3282            case QEMU_OPTION_mempath:
3283                mem_path = optarg;
3284                break;
3285#ifdef MAP_POPULATE
3286            case QEMU_OPTION_mem_prealloc:
3287                mem_prealloc = 1;
3288                break;
3289#endif
3290            case QEMU_OPTION_d:
3291                log_mask = optarg;
3292                break;
3293            case QEMU_OPTION_D:
3294                log_file = optarg;
3295                break;
3296            case QEMU_OPTION_s:
3297                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3298                break;
3299            case QEMU_OPTION_gdb:
3300                add_device_config(DEV_GDB, optarg);
3301                break;
3302            case QEMU_OPTION_L:
3303                if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3304                    data_dir[data_dir_idx++] = optarg;
3305                }
3306                break;
3307            case QEMU_OPTION_bios:
3308                bios_name = optarg;
3309                break;
3310            case QEMU_OPTION_singlestep:
3311                singlestep = 1;
3312                break;
3313            case QEMU_OPTION_S:
3314                autostart = 0;
3315                break;
3316            case QEMU_OPTION_k:
3317                keyboard_layout = optarg;
3318                break;
3319            case QEMU_OPTION_localtime:
3320                rtc_utc = 0;
3321                break;
3322            case QEMU_OPTION_vga:
3323                vga_model = optarg;
3324                default_vga = 0;
3325                break;
3326            case QEMU_OPTION_g:
3327                {
3328                    const char *p;
3329                    int w, h, depth;
3330                    p = optarg;
3331                    w = strtol(p, (char **)&p, 10);
3332                    if (w <= 0) {
3333                    graphic_error:
3334                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3335                        exit(1);
3336                    }
3337                    if (*p != 'x')
3338                        goto graphic_error;
3339                    p++;
3340                    h = strtol(p, (char **)&p, 10);
3341                    if (h <= 0)
3342                        goto graphic_error;
3343                    if (*p == 'x') {
3344                        p++;
3345                        depth = strtol(p, (char **)&p, 10);
3346                        if (depth != 8 && depth != 15 && depth != 16 &&
3347                            depth != 24 && depth != 32)
3348                            goto graphic_error;
3349                    } else if (*p == '\0') {
3350                        depth = graphic_depth;
3351                    } else {
3352                        goto graphic_error;
3353                    }
3354
3355                    graphic_width = w;
3356                    graphic_height = h;
3357                    graphic_depth = depth;
3358                }
3359                break;
3360            case QEMU_OPTION_echr:
3361                {
3362                    char *r;
3363                    term_escape_char = strtol(optarg, &r, 0);
3364                    if (r == optarg)
3365                        printf("Bad argument to echr\n");
3366                    break;
3367                }
3368            case QEMU_OPTION_monitor:
3369                monitor_parse(optarg, "readline");
3370                default_monitor = 0;
3371                break;
3372            case QEMU_OPTION_qmp:
3373                monitor_parse(optarg, "control");
3374                default_monitor = 0;
3375                break;
3376            case QEMU_OPTION_mon:
3377                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3378                if (!opts) {
3379                    exit(1);
3380                }
3381                default_monitor = 0;
3382                break;
3383            case QEMU_OPTION_chardev:
3384                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3385                if (!opts) {
3386                    exit(1);
3387                }
3388                break;
3389            case QEMU_OPTION_fsdev:
3390                olist = qemu_find_opts("fsdev");
3391                if (!olist) {
3392                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3393                    exit(1);
3394                }
3395                opts = qemu_opts_parse(olist, optarg, 1);
3396                if (!opts) {
3397                    exit(1);
3398                }
3399                break;
3400            case QEMU_OPTION_virtfs: {
3401                QemuOpts *fsdev;
3402                QemuOpts *device;
3403                const char *writeout, *sock_fd, *socket;
3404
3405                olist = qemu_find_opts("virtfs");
3406                if (!olist) {
3407                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3408                    exit(1);
3409                }
3410                opts = qemu_opts_parse(olist, optarg, 1);
3411                if (!opts) {
3412                    exit(1);
3413                }
3414
3415                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3416                    qemu_opt_get(opts, "mount_tag") == NULL) {
3417                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3418                    exit(1);
3419                }
3420                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3421                                         qemu_opt_get(opts, "mount_tag"),
3422                                         1, NULL);
3423                if (!fsdev) {
3424                    fprintf(stderr, "duplicate fsdev id: %s\n",
3425                            qemu_opt_get(opts, "mount_tag"));
3426                    exit(1);
3427                }
3428
3429                writeout = qemu_opt_get(opts, "writeout");
3430                if (writeout) {
3431#ifdef CONFIG_SYNC_FILE_RANGE
3432                    qemu_opt_set(fsdev, "writeout", writeout);
3433#else
3434                    fprintf(stderr, "writeout=immediate not supported on "
3435                            "this platform\n");
3436                    exit(1);
3437#endif
3438                }
3439                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3440                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3441                qemu_opt_set(fsdev, "security_model",
3442                             qemu_opt_get(opts, "security_model"));
3443                socket = qemu_opt_get(opts, "socket");
3444                if (socket) {
3445                    qemu_opt_set(fsdev, "socket", socket);
3446                }
3447                sock_fd = qemu_opt_get(opts, "sock_fd");
3448                if (sock_fd) {
3449                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3450                }
3451
3452                qemu_opt_set_bool(fsdev, "readonly",
3453                                qemu_opt_get_bool(opts, "readonly", 0));
3454                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3455                qemu_opt_set(device, "driver", "virtio-9p-pci");
3456                qemu_opt_set(device, "fsdev",
3457                             qemu_opt_get(opts, "mount_tag"));
3458                qemu_opt_set(device, "mount_tag",
3459                             qemu_opt_get(opts, "mount_tag"));
3460                break;
3461            }
3462            case QEMU_OPTION_virtfs_synth: {
3463                QemuOpts *fsdev;
3464                QemuOpts *device;
3465
3466                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3467                                         1, NULL);
3468                if (!fsdev) {
3469                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3470                    exit(1);
3471                }
3472                qemu_opt_set(fsdev, "fsdriver", "synth");
3473
3474                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3475                qemu_opt_set(device, "driver", "virtio-9p-pci");
3476                qemu_opt_set(device, "fsdev", "v_synth");
3477                qemu_opt_set(device, "mount_tag", "v_synth");
3478                break;
3479            }
3480            case QEMU_OPTION_serial:
3481                add_device_config(DEV_SERIAL, optarg);
3482                default_serial = 0;
3483                if (strncmp(optarg, "mon:", 4) == 0) {
3484                    default_monitor = 0;
3485                }
3486                break;
3487            case QEMU_OPTION_watchdog:
3488                if (watchdog) {
3489                    fprintf(stderr,
3490                            "qemu: only one watchdog option may be given\n");
3491                    return 1;
3492                }
3493                watchdog = optarg;
3494                break;
3495            case QEMU_OPTION_watchdog_action:
3496                if (select_watchdog_action(optarg) == -1) {
3497                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3498                    exit(1);
3499                }
3500                break;
3501            case QEMU_OPTION_virtiocon:
3502                add_device_config(DEV_VIRTCON, optarg);
3503                default_virtcon = 0;
3504                if (strncmp(optarg, "mon:", 4) == 0) {
3505                    default_monitor = 0;
3506                }
3507                break;
3508            case QEMU_OPTION_parallel:
3509                add_device_config(DEV_PARALLEL, optarg);
3510                default_parallel = 0;
3511                if (strncmp(optarg, "mon:", 4) == 0) {
3512                    default_monitor = 0;
3513                }
3514                break;
3515            case QEMU_OPTION_debugcon:
3516                add_device_config(DEV_DEBUGCON, optarg);
3517                break;
3518            case QEMU_OPTION_loadvm:
3519                loadvm = optarg;
3520                break;
3521            case QEMU_OPTION_full_screen:
3522                full_screen = 1;
3523                break;
3524#ifdef CONFIG_SDL
3525            case QEMU_OPTION_no_frame:
3526                no_frame = 1;
3527                break;
3528            case QEMU_OPTION_alt_grab:
3529                alt_grab = 1;
3530                break;
3531            case QEMU_OPTION_ctrl_grab:
3532                ctrl_grab = 1;
3533                break;
3534            case QEMU_OPTION_no_quit:
3535                no_quit = 1;
3536                break;
3537            case QEMU_OPTION_sdl:
3538                display_type = DT_SDL;
3539                break;
3540#else
3541            case QEMU_OPTION_no_frame:
3542            case QEMU_OPTION_alt_grab:
3543            case QEMU_OPTION_ctrl_grab:
3544            case QEMU_OPTION_no_quit:
3545            case QEMU_OPTION_sdl:
3546                fprintf(stderr, "SDL support is disabled\n");
3547                exit(1);
3548#endif
3549            case QEMU_OPTION_pidfile:
3550                pid_file = optarg;
3551                break;
3552            case QEMU_OPTION_win2k_hack:
3553                win2k_install_hack = 1;
3554                break;
3555            case QEMU_OPTION_rtc_td_hack: {
3556                static GlobalProperty slew_lost_ticks[] = {
3557                    {
3558                        .driver   = "mc146818rtc",
3559                        .property = "lost_tick_policy",
3560                        .value    = "slew",
3561                    },
3562                    { /* end of list */ }
3563                };
3564
3565                qdev_prop_register_global_list(slew_lost_ticks);
3566                break;
3567            }
3568            case QEMU_OPTION_acpitable:
3569                opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3570                g_assert(opts != NULL);
3571                do_acpitable_option(opts);
3572                break;
3573            case QEMU_OPTION_smbios:
3574                do_smbios_option(optarg);
3575                break;
3576            case QEMU_OPTION_enable_kvm:
3577                olist = qemu_find_opts("machine");
3578                qemu_opts_parse(olist, "accel=kvm", 0);
3579                break;
3580            case QEMU_OPTION_machine:
3581                olist = qemu_find_opts("machine");
3582                opts = qemu_opts_parse(olist, optarg, 1);
3583                if (!opts) {
3584                    exit(1);
3585                }
3586                optarg = qemu_opt_get(opts, "type");
3587                if (optarg) {
3588                    machine = machine_parse(optarg);
3589                }
3590                break;
3591             case QEMU_OPTION_no_kvm:
3592                olist = qemu_find_opts("machine");
3593                qemu_opts_parse(olist, "accel=tcg", 0);
3594                break;
3595            case QEMU_OPTION_no_kvm_pit: {
3596                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3597                                "separately.\n");
3598                break;
3599            }
3600            case QEMU_OPTION_no_kvm_pit_reinjection: {
3601                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3602                    {
3603                        .driver   = "kvm-pit",
3604                        .property = "lost_tick_policy",
3605                        .value    = "discard",
3606                    },
3607                    { /* end of list */ }
3608                };
3609
3610                fprintf(stderr, "Warning: option deprecated, use "
3611                        "lost_tick_policy property of kvm-pit instead.\n");
3612                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3613                break;
3614            }
3615            case QEMU_OPTION_usb:
3616                olist = qemu_find_opts("machine");
3617                qemu_opts_parse(olist, "usb=on", 0);
3618                break;
3619            case QEMU_OPTION_usbdevice:
3620                olist = qemu_find_opts("machine");
3621                qemu_opts_parse(olist, "usb=on", 0);
3622                add_device_config(DEV_USB, optarg);
3623                break;
3624            case QEMU_OPTION_device:
3625                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3626                    exit(1);
3627                }
3628                break;
3629            case QEMU_OPTION_smp:
3630                smp_parse(optarg);
3631                if (smp_cpus < 1) {
3632                    fprintf(stderr, "Invalid number of CPUs\n");
3633                    exit(1);
3634                }
3635                if (max_cpus < smp_cpus) {
3636                    fprintf(stderr, "maxcpus must be equal to or greater than "
3637                            "smp\n");
3638                    exit(1);
3639                }
3640                if (max_cpus > 255) {
3641                    fprintf(stderr, "Unsupported number of maxcpus\n");
3642                    exit(1);
3643                }
3644                break;
3645            case QEMU_OPTION_vnc:
3646#ifdef CONFIG_VNC
3647                display_remote++;
3648                vnc_display = optarg;
3649#else
3650                fprintf(stderr, "VNC support is disabled\n");
3651                exit(1);
3652#endif
3653                break;
3654            case QEMU_OPTION_no_acpi:
3655                acpi_enabled = 0;
3656                break;
3657            case QEMU_OPTION_no_hpet:
3658                no_hpet = 1;
3659                break;
3660            case QEMU_OPTION_balloon:
3661                if (balloon_parse(optarg) < 0) {
3662                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3663                    exit(1);
3664                }
3665                break;
3666            case QEMU_OPTION_no_reboot:
3667                no_reboot = 1;
3668                break;
3669            case QEMU_OPTION_no_shutdown:
3670                no_shutdown = 1;
3671                break;
3672            case QEMU_OPTION_show_cursor:
3673                cursor_hide = 0;
3674                break;
3675            case QEMU_OPTION_uuid:
3676                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3677                    fprintf(stderr, "Fail to parse UUID string."
3678                            " Wrong format.\n");
3679                    exit(1);
3680                }
3681                break;
3682            case QEMU_OPTION_option_rom:
3683                if (nb_option_roms >= MAX_OPTION_ROMS) {
3684                    fprintf(stderr, "Too many option ROMs\n");
3685                    exit(1);
3686                }
3687                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3688                if (!opts) {
3689                    exit(1);
3690                }
3691                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3692                option_rom[nb_option_roms].bootindex =
3693                    qemu_opt_get_number(opts, "bootindex", -1);
3694                if (!option_rom[nb_option_roms].name) {
3695                    fprintf(stderr, "Option ROM file is not specified\n");
3696                    exit(1);
3697                }
3698                nb_option_roms++;
3699                break;
3700            case QEMU_OPTION_semihosting:
3701                semihosting_enabled = 1;
3702                break;
3703            case QEMU_OPTION_tdf:
3704                fprintf(stderr, "Warning: user space PIT time drift fix "
3705                                "is no longer supported.\n");
3706                break;
3707            case QEMU_OPTION_name:
3708                qemu_name = g_strdup(optarg);
3709                 {
3710                     char *p = strchr(qemu_name, ',');
3711                     if (p != NULL) {
3712                        *p++ = 0;
3713                        if (strncmp(p, "process=", 8)) {
3714                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3715                            exit(1);
3716                        }
3717                        p += 8;
3718                        os_set_proc_name(p);
3719                     }
3720                 }
3721                break;
3722            case QEMU_OPTION_prom_env:
3723                if (nb_prom_envs >= MAX_PROM_ENVS) {
3724                    fprintf(stderr, "Too many prom variables\n");
3725                    exit(1);
3726                }
3727                prom_envs[nb_prom_envs] = optarg;
3728                nb_prom_envs++;
3729                break;
3730            case QEMU_OPTION_old_param:
3731                old_param = 1;
3732                break;
3733            case QEMU_OPTION_clock:
3734                configure_alarms(optarg);
3735                break;
3736            case QEMU_OPTION_startdate:
3737                configure_rtc_date_offset(optarg, 1);
3738                break;
3739            case QEMU_OPTION_rtc:
3740                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3741                if (!opts) {
3742                    exit(1);
3743                }
3744                configure_rtc(opts);
3745                break;
3746            case QEMU_OPTION_tb_size:
3747                tcg_tb_size = strtol(optarg, NULL, 0);
3748                if (tcg_tb_size < 0) {
3749                    tcg_tb_size = 0;
3750                }
3751                break;
3752            case QEMU_OPTION_icount:
3753                icount_option = optarg;
3754                break;
3755            case QEMU_OPTION_incoming:
3756                incoming = optarg;
3757                runstate_set(RUN_STATE_INMIGRATE);
3758                break;
3759            case QEMU_OPTION_nodefaults:
3760                default_serial = 0;
3761                default_parallel = 0;
3762                default_virtcon = 0;
3763                default_sclp = 0;
3764                default_monitor = 0;
3765                default_net = 0;
3766                default_floppy = 0;
3767                default_cdrom = 0;
3768                default_sdcard = 0;
3769                default_vga = 0;
3770                break;
3771            case QEMU_OPTION_xen_domid:
3772                if (!(xen_available())) {
3773                    printf("Option %s not supported for this target\n", popt->name);
3774                    exit(1);
3775                }
3776                xen_domid = atoi(optarg);
3777                break;
3778            case QEMU_OPTION_xen_create:
3779                if (!(xen_available())) {
3780                    printf("Option %s not supported for this target\n", popt->name);
3781                    exit(1);
3782                }
3783                xen_mode = XEN_CREATE;
3784                break;
3785            case QEMU_OPTION_xen_attach:
3786                if (!(xen_available())) {
3787                    printf("Option %s not supported for this target\n", popt->name);
3788                    exit(1);
3789                }
3790                xen_mode = XEN_ATTACH;
3791                break;
3792            case QEMU_OPTION_trace:
3793            {
3794                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3795                if (!opts) {
3796                    exit(1);
3797                }
3798                trace_events = qemu_opt_get(opts, "events");
3799                trace_file = qemu_opt_get(opts, "file");
3800                break;
3801            }
3802            case QEMU_OPTION_readconfig:
3803                {
3804                    int ret = qemu_read_config_file(optarg);
3805                    if (ret < 0) {
3806                        fprintf(stderr, "read config %s: %s\n", optarg,
3807                            strerror(-ret));
3808                        exit(1);
3809                    }
3810                    break;
3811                }
3812            case QEMU_OPTION_spice:
3813                olist = qemu_find_opts("spice");
3814                if (!olist) {
3815                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3816                    exit(1);
3817                }
3818                opts = qemu_opts_parse(olist, optarg, 0);
3819                if (!opts) {
3820                    exit(1);
3821                }
3822                display_remote++;
3823                break;
3824            case QEMU_OPTION_writeconfig:
3825                {
3826                    FILE *fp;
3827                    if (strcmp(optarg, "-") == 0) {
3828                        fp = stdout;
3829                    } else {
3830                        fp = fopen(optarg, "w");
3831                        if (fp == NULL) {
3832                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3833                            exit(1);
3834                        }
3835                    }
3836                    qemu_config_write(fp);
3837                    fclose(fp);
3838                    break;
3839                }
3840            case QEMU_OPTION_qtest:
3841                qtest_chrdev = optarg;
3842                break;
3843            case QEMU_OPTION_qtest_log:
3844                qtest_log = optarg;
3845                break;
3846            case QEMU_OPTION_sandbox:
3847                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3848                if (!opts) {
3849                    exit(1);
3850                }
3851                break;
3852            case QEMU_OPTION_add_fd:
3853#ifndef _WIN32
3854                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3855                if (!opts) {
3856                    exit(1);
3857                }
3858#else
3859                error_report("File descriptor passing is disabled on this "
3860                             "platform");
3861                exit(1);
3862#endif
3863                break;
3864            case QEMU_OPTION_object:
3865                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3866                if (!opts) {
3867                    exit(1);
3868                }
3869                break;
3870            case QEMU_OPTION_realtime:
3871                opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3872                if (!opts) {
3873                    exit(1);
3874                }
3875                configure_realtime(opts);
3876                break;
3877            default:
3878                os_parse_cmd_args(popt->index, optarg);
3879            }
3880        }
3881    }
3882    loc_set_none();
3883
3884    if (qemu_init_main_loop()) {
3885        fprintf(stderr, "qemu_init_main_loop failed\n");
3886        exit(1);
3887    }
3888
3889    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3890        exit(1);
3891    }
3892
3893#ifndef _WIN32
3894    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3895        exit(1);
3896    }
3897
3898    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3899        exit(1);
3900    }
3901#endif
3902
3903    if (machine == NULL) {
3904        fprintf(stderr, "No machine found.\n");
3905        exit(1);
3906    }
3907
3908    if (machine->hw_version) {
3909        qemu_set_version(machine->hw_version);
3910    }
3911
3912    if (qemu_opts_foreach(qemu_find_opts("object"),
3913                          object_create, NULL, 0) != 0) {
3914        exit(1);
3915    }
3916
3917    /* Init CPU def lists, based on config
3918     * - Must be called after all the qemu_read_config_file() calls
3919     * - Must be called before list_cpus()
3920     * - Must be called before machine->init()
3921     */
3922    cpudef_init();
3923
3924    if (cpu_model && is_help_option(cpu_model)) {
3925        list_cpus(stdout, &fprintf, cpu_model);
3926        exit(0);
3927    }
3928
3929    /* Open the logfile at this point, if necessary. We can't open the logfile
3930     * when encountering either of the logging options (-d or -D) because the
3931     * other one may be encountered later on the command line, changing the
3932     * location or level of logging.
3933     */
3934    if (log_mask) {
3935        int mask;
3936        if (log_file) {
3937            qemu_set_log_filename(log_file);
3938        }
3939
3940        mask = qemu_str_to_log_mask(log_mask);
3941        if (!mask) {
3942            qemu_print_log_usage(stdout);
3943            exit(1);
3944        }
3945        qemu_set_log(mask);
3946    }
3947
3948    if (!trace_backend_init(trace_events, trace_file)) {
3949        exit(1);
3950    }
3951
3952    /* If no data_dir is specified then try to find it relative to the
3953       executable path.  */
3954    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3955        data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3956        if (data_dir[data_dir_idx] != NULL) {
3957            data_dir_idx++;
3958        }
3959    }
3960    /* If all else fails use the install path specified when building. */
3961    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3962        data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3963    }
3964
3965    /*
3966     * Default to max_cpus = smp_cpus, in case the user doesn't
3967     * specify a max_cpus value.
3968     */
3969    if (!max_cpus)
3970        max_cpus = smp_cpus;
3971
3972    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3973    if (smp_cpus > machine->max_cpus) {
3974        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3975                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3976                machine->max_cpus);
3977        exit(1);
3978    }
3979
3980    /*
3981     * Get the default machine options from the machine if it is not already
3982     * specified either by the configuration file or by the command line.
3983     */
3984    if (machine->default_machine_opts) {
3985        qemu_opts_set_defaults(qemu_find_opts("machine"),
3986                               machine->default_machine_opts, 0);
3987    }
3988
3989    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3990    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3991
3992    if (machine->no_serial) {
3993        default_serial = 0;
3994    }
3995    if (machine->no_parallel) {
3996        default_parallel = 0;
3997    }
3998    if (!machine->use_virtcon) {
3999        default_virtcon = 0;
4000    }
4001    if (!machine->use_sclp) {
4002        default_sclp = 0;
4003    }
4004    if (machine->no_floppy) {
4005        default_floppy = 0;
4006    }
4007    if (machine->no_cdrom) {
4008        default_cdrom = 0;
4009    }
4010    if (machine->no_sdcard) {
4011        default_sdcard = 0;
4012    }
4013
4014    if (is_daemonized()) {
4015        /* According to documentation and historically, -nographic redirects
4016         * serial port, parallel port and monitor to stdio, which does not work
4017         * with -daemonize.  We can redirect these to null instead, but since
4018         * -nographic is legacy, let's just error out.
4019         * We disallow -nographic only if all other ports are not redirected
4020         * explicitly, to not break existing legacy setups which uses
4021         * -nographic _and_ redirects all ports explicitly - this is valid
4022         * usage, -nographic is just a no-op in this case.
4023         */
4024        if (display_type == DT_NOGRAPHIC
4025            && (default_parallel || default_serial
4026                || default_monitor || default_virtcon)) {
4027            fprintf(stderr, "-nographic can not be used with -daemonize\n");
4028            exit(1);
4029        }
4030#ifdef CONFIG_CURSES
4031        if (display_type == DT_CURSES) {
4032            fprintf(stderr, "curses display can not be used with -daemonize\n");
4033            exit(1);
4034        }
4035#endif
4036    }
4037
4038    if (display_type == DT_NOGRAPHIC) {
4039        if (default_parallel)
4040            add_device_config(DEV_PARALLEL, "null");
4041        if (default_serial && default_monitor) {
4042            add_device_config(DEV_SERIAL, "mon:stdio");
4043        } else if (default_virtcon && default_monitor) {
4044            add_device_config(DEV_VIRTCON, "mon:stdio");
4045        } else if (default_sclp && default_monitor) {
4046            add_device_config(DEV_SCLP, "mon:stdio");
4047        } else {
4048            if (default_serial)
4049                add_device_config(DEV_SERIAL, "stdio");
4050            if (default_virtcon)
4051                add_device_config(DEV_VIRTCON, "stdio");
4052            if (default_sclp) {
4053                add_device_config(DEV_SCLP, "stdio");
4054            }
4055            if (default_monitor)
4056                monitor_parse("stdio", "readline");
4057        }
4058    } else {
4059        if (default_serial)
4060            add_device_config(DEV_SERIAL, "vc:80Cx24C");
4061        if (default_parallel)
4062            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4063        if (default_monitor)
4064            monitor_parse("vc:80Cx24C", "readline");
4065        if (default_virtcon)
4066            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4067        if (default_sclp) {
4068            add_device_config(DEV_SCLP, "vc:80Cx24C");
4069        }
4070    }
4071
4072    if (display_type == DT_DEFAULT && !display_remote) {
4073#if defined(CONFIG_GTK)
4074        display_type = DT_GTK;
4075#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4076        display_type = DT_SDL;
4077#elif defined(CONFIG_VNC)
4078        vnc_display = "localhost:0,to=99";
4079        show_vnc_port = 1;
4080#else
4081        display_type = DT_NONE;
4082#endif
4083    }
4084
4085#if defined(CONFIG_GTK)
4086    if (display_type == DT_GTK) {
4087        early_gtk_display_init();
4088    }
4089#endif
4090
4091    socket_init();
4092
4093    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4094        exit(1);
4095#ifdef CONFIG_VIRTFS
4096    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4097        exit(1);
4098    }
4099#endif
4100
4101    os_daemonize();
4102
4103    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4104        os_pidfile_error();
4105        exit(1);
4106    }
4107
4108    /* init the memory */
4109    if (ram_size == 0) {
4110        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4111    }
4112
4113    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4114        != 0) {
4115        exit(0);
4116    }
4117
4118    configure_accelerator();
4119
4120    if (!qtest_enabled() && qtest_chrdev) {
4121        qtest_init();
4122    }
4123
4124    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4125    if (machine_opts) {
4126        kernel_filename = qemu_opt_get(machine_opts, "kernel");
4127        initrd_filename = qemu_opt_get(machine_opts, "initrd");
4128        kernel_cmdline = qemu_opt_get(machine_opts, "append");
4129    } else {
4130        kernel_filename = initrd_filename = kernel_cmdline = NULL;
4131    }
4132
4133    if (!kernel_cmdline) {
4134        kernel_cmdline = "";
4135    }
4136
4137    linux_boot = (kernel_filename != NULL);
4138
4139    if (!linux_boot && *kernel_cmdline != '\0') {
4140        fprintf(stderr, "-append only allowed with -kernel option\n");
4141        exit(1);
4142    }
4143
4144    if (!linux_boot && initrd_filename != NULL) {
4145        fprintf(stderr, "-initrd only allowed with -kernel option\n");
4146        exit(1);
4147    }
4148
4149    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4150        fprintf(stderr, "-dtb only allowed with -kernel option\n");
4151        exit(1);
4152    }
4153
4154    os_set_line_buffering();
4155
4156    qemu_init_cpu_loop();
4157    qemu_mutex_lock_iothread();
4158
4159#ifdef CONFIG_SPICE
4160    /* spice needs the timers to be initialized by this point */
4161    qemu_spice_init();
4162#endif
4163
4164    if (icount_option && (kvm_enabled() || xen_enabled())) {
4165        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4166        exit(1);
4167    }
4168    configure_icount(icount_option);
4169
4170    /* clean up network at qemu process termination */
4171    atexit(&net_cleanup);
4172
4173    if (net_init_clients() < 0) {
4174        exit(1);
4175    }
4176
4177#ifdef CONFIG_TPM
4178    if (tpm_init() < 0) {
4179        exit(1);
4180    }
4181#endif
4182
4183    /* init the bluetooth world */
4184    if (foreach_device_config(DEV_BT, bt_parse))
4185        exit(1);
4186
4187    if (!xen_enabled()) {
4188        /* On 32-bit hosts, QEMU is limited by virtual address space */
4189        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4190            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4191            exit(1);
4192        }
4193    }
4194
4195    cpu_exec_init_all();
4196
4197    blk_mig_init();
4198
4199    /* open the virtual block devices */
4200    if (snapshot)
4201        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4202    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4203                          &machine->block_default_type, 1) != 0) {
4204        exit(1);
4205    }
4206
4207    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4208                  CDROM_OPTS);
4209    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4210    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4211
4212    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4213
4214    if (nb_numa_nodes > 0) {
4215        int i;
4216
4217        if (nb_numa_nodes > MAX_NODES) {
4218            nb_numa_nodes = MAX_NODES;
4219        }
4220
4221        /* If no memory size if given for any node, assume the default case
4222         * and distribute the available memory equally across all nodes
4223         */
4224        for (i = 0; i < nb_numa_nodes; i++) {
4225            if (node_mem[i] != 0)
4226                break;
4227        }
4228        if (i == nb_numa_nodes) {
4229            uint64_t usedmem = 0;
4230
4231            /* On Linux, the each node's border has to be 8MB aligned,
4232             * the final node gets the rest.
4233             */
4234            for (i = 0; i < nb_numa_nodes - 1; i++) {
4235                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4236                usedmem += node_mem[i];
4237            }
4238            node_mem[i] = ram_size - usedmem;
4239        }
4240
4241        for (i = 0; i < nb_numa_nodes; i++) {
4242            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4243                break;
4244            }
4245        }
4246        /* assigning the VCPUs round-robin is easier to implement, guest OSes
4247         * must cope with this anyway, because there are BIOSes out there in
4248         * real machines which also use this scheme.
4249         */
4250        if (i == nb_numa_nodes) {
4251            for (i = 0; i < max_cpus; i++) {
4252                set_bit(i, node_cpumask[i % nb_numa_nodes]);
4253            }
4254        }
4255    }
4256
4257    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4258        exit(1);
4259    }
4260
4261    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4262        exit(1);
4263    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4264        exit(1);
4265    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4266        exit(1);
4267    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4268        exit(1);
4269    }
4270    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4271        exit(1);
4272
4273    /* If no default VGA is requested, the default is "none".  */
4274    if (default_vga) {
4275        if (cirrus_vga_available()) {
4276            vga_model = "cirrus";
4277        } else if (vga_available()) {
4278            vga_model = "std";
4279        }
4280    }
4281    select_vgahw(vga_model);
4282
4283    if (watchdog) {
4284        i = select_watchdog(watchdog);
4285        if (i > 0)
4286            exit (i == 1 ? 1 : 0);
4287    }
4288
4289    if (machine->compat_props) {
4290        qdev_prop_register_global_list(machine->compat_props);
4291    }
4292    qemu_add_globals();
4293
4294    qdev_machine_init();
4295
4296    QEMUMachineInitArgs args = { .ram_size = ram_size,
4297                                 .boot_device = (boot_devices[0] == '\0') ?
4298                                                machine->boot_order :
4299                                                boot_devices,
4300                                 .kernel_filename = kernel_filename,
4301                                 .kernel_cmdline = kernel_cmdline,
4302                                 .initrd_filename = initrd_filename,
4303                                 .cpu_model = cpu_model };
4304    machine->init(&args);
4305
4306    audio_init();
4307
4308    cpu_synchronize_all_post_init();
4309
4310    set_numa_modes();
4311
4312    current_machine = machine;
4313
4314    /* init USB devices */
4315    if (usb_enabled(false)) {
4316        if (foreach_device_config(DEV_USB, usb_parse) < 0)
4317            exit(1);
4318    }
4319
4320    /* init generic devices */
4321    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4322        exit(1);
4323
4324    net_check_clients();
4325
4326    ds = init_displaystate();
4327
4328    /* init local displays */
4329    switch (display_type) {
4330    case DT_NOGRAPHIC:
4331        break;
4332#if defined(CONFIG_CURSES)
4333    case DT_CURSES:
4334        curses_display_init(ds, full_screen);
4335        break;
4336#endif
4337#if defined(CONFIG_SDL)
4338    case DT_SDL:
4339        sdl_display_init(ds, full_screen, no_frame);
4340        break;
4341#elif defined(CONFIG_COCOA)
4342    case DT_SDL:
4343        cocoa_display_init(ds, full_screen);
4344        break;
4345#endif
4346#if defined(CONFIG_GTK)
4347    case DT_GTK:
4348        gtk_display_init(ds);
4349        break;
4350#endif
4351    default:
4352        break;
4353    }
4354
4355    /* must be after terminal init, SDL library changes signal handlers */
4356    os_setup_signal_handling();
4357
4358#ifdef CONFIG_VNC
4359    /* init remote displays */
4360    if (vnc_display) {
4361        Error *local_err = NULL;
4362        vnc_display_init(ds);
4363        vnc_display_open(ds, vnc_display, &local_err);
4364        if (local_err != NULL) {
4365            fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4366                    vnc_display, error_get_pretty(local_err));
4367            error_free(local_err);
4368            exit(1);
4369        }
4370
4371        if (show_vnc_port) {
4372            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4373        }
4374    }
4375#endif
4376#ifdef CONFIG_SPICE
4377    if (using_spice && !qxl_enabled) {
4378        qemu_spice_display_init(ds);
4379    }
4380#endif
4381
4382    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4383        exit(1);
4384    }
4385
4386    qdev_machine_creation_done();
4387
4388    if (rom_load_all() != 0) {
4389        fprintf(stderr, "rom loading failed\n");
4390        exit(1);
4391    }
4392
4393    /* TODO: once all bus devices are qdevified, this should be done
4394     * when bus is created by qdev.c */
4395    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4396    qemu_run_machine_init_done_notifiers();
4397
4398    qemu_system_reset(VMRESET_SILENT);
4399    if (loadvm) {
4400        if (load_vmstate(loadvm) < 0) {
4401            autostart = 0;
4402        }
4403    }
4404
4405    if (incoming) {
4406        Error *local_err = NULL;
4407        qemu_start_incoming_migration(incoming, &local_err);
4408        if (local_err) {
4409            fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4410            error_free(local_err);
4411            exit(1);
4412        }
4413    } else if (autostart) {
4414        vm_start();
4415    }
4416
4417    os_setup_post();
4418
4419    main_loop();
4420    bdrv_close_all();
4421    pause_all_vcpus();
4422    res_free();
4423#ifdef CONFIG_TPM
4424    tpm_cleanup();
4425#endif
4426
4427    return 0;
4428}
4429