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