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