int main(int argc, char **argv, char **envp) { const char *gdbstub_dev = NULL; int i; int snapshot, linux_boot; const char *icount_option = NULL; const char *initrd_filename; const char *kernel_filename, *kernel_cmdline; char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ DisplayState *ds; DisplayChangeListener *dcl; int cyls, heads, secs, translation; QemuOpts *hda_opts = NULL, *opts; QemuOptsList *olist; int optind; const char *optarg; const char *loadvm = NULL; QEMUMachine *machine; const char *cpu_model; const char *pid_file = NULL; const char *incoming = NULL; #ifdef CONFIG_VNC int show_vnc_port = 0; #endif int defconfig = 1; const char *log_mask = NULL; const char *log_file = NULL; GMemVTable mem_trace = { .malloc = malloc_and_trace, .realloc = realloc_and_trace, .free = free_and_trace, }; const char *trace_events = NULL; const char *trace_file = NULL; atexit(qemu_run_exit_notifiers); error_set_progname(argv[0]); g_mem_set_vtable(&mem_trace); if (!g_thread_supported()) { #if !GLIB_CHECK_VERSION(2, 31, 0) g_thread_init(NULL); #else fprintf(stderr, "glib threading failed to initialize.\n"); exit(1); #endif } runstate_init(); init_clocks(); rtc_clock = host_clock; qemu_cache_utils_init(envp); QLIST_INIT (&vm_change_state_head); os_setup_early_signal_handling(); module_call_init(MODULE_INIT_MACHINE); machine = find_default_machine(); cpu_model = NULL; initrd_filename = NULL; ram_size = 0; snapshot = 0; kernel_filename = NULL; kernel_cmdline = ""; cyls = heads = secs = 0; translation = BIOS_ATA_TRANSLATION_AUTO; for (i = 0; i < MAX_NODES; i++) { node_mem[i] = 0; node_cpumask[i] = 0; } nb_numa_nodes = 0; nb_nics = 0; autostart= 1; /* first pass of option parsing */ optind = 1; while (optind < argc) { if (argv[optind][0] != '-') { /* disk image */ optind++; continue; } else { const QEMUOption *popt; popt = lookup_opt(argc, argv, &optarg, &optind); switch (popt->index) { case QEMU_OPTION_nodefconfig: defconfig=0; break; } } } if (defconfig) { int ret; ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf"); if (ret < 0 && ret != -ENOENT) { exit(1); } ret = qemu_read_config_file(arch_config_name); if (ret < 0 && ret != -ENOENT) { exit(1); } } cpudef_init(); /* second pass of option parsing */ optind = 1; for(;;) { if (optind >= argc) break; if (argv[optind][0] != '-') { hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); } else { const QEMUOption *popt; popt = lookup_opt(argc, argv, &optarg, &optind); if (!(popt->arch_mask & arch_type)) { printf("Option %s not supported for this target\n", popt->name); exit(1); } switch(popt->index) { case QEMU_OPTION_M: machine = machine_parse(optarg); break; case QEMU_OPTION_cpu: /* hw initialization will check this */ if (*optarg == '?') { list_cpus(stdout, &fprintf, optarg); exit(0); } else { cpu_model = optarg; } break; case QEMU_OPTION_initrd: initrd_filename = optarg; break; case QEMU_OPTION_hda: { char buf[256]; if (cyls == 0) snprintf(buf, sizeof(buf), "%s", HD_OPTS); else snprintf(buf, sizeof(buf), "%s,cyls=%d,heads=%d,secs=%d%s", HD_OPTS , cyls, heads, secs, translation == BIOS_ATA_TRANSLATION_LBA ? ",trans=lba" : translation == BIOS_ATA_TRANSLATION_NONE ? ",trans=none" : ""); drive_add(IF_DEFAULT, 0, optarg, buf); break; } case QEMU_OPTION_hdb: case QEMU_OPTION_hdc: case QEMU_OPTION_hdd: drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, HD_OPTS); break; case QEMU_OPTION_drive: if (drive_def(optarg) == NULL) { exit(1); } break; case QEMU_OPTION_set: if (qemu_set_option(optarg) != 0) exit(1); break; case QEMU_OPTION_global: if (qemu_global_option(optarg) != 0) exit(1); break; case QEMU_OPTION_mtdblock: drive_add(IF_MTD, -1, optarg, MTD_OPTS); break; case QEMU_OPTION_sd: drive_add(IF_SD, 0, optarg, SD_OPTS); break; case QEMU_OPTION_pflash: drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); break; case QEMU_OPTION_snapshot: snapshot = 1; break; case QEMU_OPTION_hdachs: { const char *p; p = optarg; cyls = strtol(p, (char **)&p, 0); if (cyls < 1 || cyls > 16383) goto chs_fail; if (*p != ',') goto chs_fail; p++; heads = strtol(p, (char **)&p, 0); if (heads < 1 || heads > 16) goto chs_fail; if (*p != ',') goto chs_fail; p++; secs = strtol(p, (char **)&p, 0); if (secs < 1 || secs > 63) goto chs_fail; if (*p == ',') { p++; if (!strcmp(p, "none")) translation = BIOS_ATA_TRANSLATION_NONE; else if (!strcmp(p, "lba")) translation = BIOS_ATA_TRANSLATION_LBA; else if (!strcmp(p, "auto")) translation = BIOS_ATA_TRANSLATION_AUTO; else goto chs_fail; } else if (*p != '\0') { chs_fail: fprintf(stderr, "qemu: invalid physical CHS format\n"); exit(1); } if (hda_opts != NULL) { char num[16]; snprintf(num, sizeof(num), "%d", cyls); qemu_opt_set(hda_opts, "cyls", num); snprintf(num, sizeof(num), "%d", heads); qemu_opt_set(hda_opts, "heads", num); snprintf(num, sizeof(num), "%d", secs); qemu_opt_set(hda_opts, "secs", num); if (translation == BIOS_ATA_TRANSLATION_LBA) qemu_opt_set(hda_opts, "trans", "lba"); if (translation == BIOS_ATA_TRANSLATION_NONE) qemu_opt_set(hda_opts, "trans", "none"); } } break; case QEMU_OPTION_numa: if (nb_numa_nodes >= MAX_NODES) { fprintf(stderr, "qemu: too many NUMA nodes\n"); exit(1); } numa_add(optarg); break; case QEMU_OPTION_display: display_type = select_display(optarg); break; case QEMU_OPTION_nographic: display_type = DT_NOGRAPHIC; break; case QEMU_OPTION_curses: #ifdef CONFIG_CURSES display_type = DT_CURSES; #else fprintf(stderr, "Curses support is disabled\n"); exit(1); #endif break; case QEMU_OPTION_portrait: graphic_rotate = 90; break; case QEMU_OPTION_rotate: graphic_rotate = strtol(optarg, (char **) &optarg, 10); if (graphic_rotate != 0 && graphic_rotate != 90 && graphic_rotate != 180 && graphic_rotate != 270) { fprintf(stderr, "qemu: only 90, 180, 270 deg rotation is available\n"); exit(1); } break; case QEMU_OPTION_kernel: kernel_filename = optarg; break; case QEMU_OPTION_append: kernel_cmdline = optarg; break; case QEMU_OPTION_cdrom: drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); break; case QEMU_OPTION_boot: { static const char * const params[] = { "order", "once", "menu", "splash", "splash-time", NULL }; char buf[sizeof(boot_devices)]; char *standard_boot_devices; int legacy = 0; if (!strchr(optarg, '=')) { legacy = 1; pstrcpy(buf, sizeof(buf), optarg); } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { fprintf(stderr, "qemu: unknown boot parameter '%s' in '%s'\n", buf, optarg); exit(1); } if (legacy || get_param_value(buf, sizeof(buf), "order", optarg)) { validate_bootdevices(buf); pstrcpy(boot_devices, sizeof(boot_devices), buf); } if (!legacy) { if (get_param_value(buf, sizeof(buf), "once", optarg)) { validate_bootdevices(buf); standard_boot_devices = g_strdup(boot_devices); pstrcpy(boot_devices, sizeof(boot_devices), buf); qemu_register_reset(restore_boot_devices, standard_boot_devices); } if (get_param_value(buf, sizeof(buf), "menu", optarg)) { if (!strcmp(buf, "on")) { boot_menu = 1; } else if (!strcmp(buf, "off")) { boot_menu = 0; } else { fprintf(stderr, "qemu: invalid option value '%s'\n", buf); exit(1); } } qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 0); } } break; case QEMU_OPTION_fda: case QEMU_OPTION_fdb: drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, optarg, FD_OPTS); break; case QEMU_OPTION_no_fd_bootchk: fd_bootchk = 0; break; case QEMU_OPTION_netdev: if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { exit(1); } break; case QEMU_OPTION_net: if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { exit(1); } break; #ifdef CONFIG_SLIRP case QEMU_OPTION_tftp: legacy_tftp_prefix = optarg; break; case QEMU_OPTION_bootp: legacy_bootp_filename = optarg; break; case QEMU_OPTION_redir: if (net_slirp_redir(optarg) < 0) exit(1); break; #endif case QEMU_OPTION_bt: add_device_config(DEV_BT, optarg); break; case QEMU_OPTION_audio_help: if (!(audio_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } AUD_help (); exit (0); break; case QEMU_OPTION_soundhw: if (!(audio_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } select_soundhw (optarg); break; case QEMU_OPTION_h: help(0); break; case QEMU_OPTION_version: version(); exit(0); break; case QEMU_OPTION_m: { int64_t value; char *end; value = strtosz(optarg, &end); if (value < 0 || *end) { fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); exit(1); } if (value != (uint64_t)(ram_addr_t)value) { fprintf(stderr, "qemu: ram size too large\n"); exit(1); } ram_size = value; break; } case QEMU_OPTION_mempath: mem_path = optarg; break; #ifdef MAP_POPULATE case QEMU_OPTION_mem_prealloc: mem_prealloc = 1; break; #endif case QEMU_OPTION_d: log_mask = optarg; break; case QEMU_OPTION_D: log_file = optarg; break; case QEMU_OPTION_s: gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; break; case QEMU_OPTION_gdb: gdbstub_dev = optarg; break; case QEMU_OPTION_L: data_dir = optarg; break; case QEMU_OPTION_bios: bios_name = optarg; break; case QEMU_OPTION_singlestep: singlestep = 1; break; case QEMU_OPTION_S: autostart = 0; break; case QEMU_OPTION_k: keyboard_layout = optarg; break; case QEMU_OPTION_localtime: rtc_utc = 0; break; case QEMU_OPTION_vga: select_vgahw (optarg); break; case QEMU_OPTION_g: { const char *p; int w, h, depth; p = optarg; w = strtol(p, (char **)&p, 10); if (w <= 0) { graphic_error: fprintf(stderr, "qemu: invalid resolution or depth\n"); exit(1); } if (*p != 'x') goto graphic_error; p++; h = strtol(p, (char **)&p, 10); if (h <= 0) goto graphic_error; if (*p == 'x') { p++; depth = strtol(p, (char **)&p, 10); if (depth != 8 && depth != 15 && depth != 16 && depth != 24 && depth != 32) goto graphic_error; } else if (*p == '\0') { depth = graphic_depth; } else { goto graphic_error; } graphic_width = w; graphic_height = h; graphic_depth = depth; } break; case QEMU_OPTION_echr: { char *r; term_escape_char = strtol(optarg, &r, 0); if (r == optarg) printf("Bad argument to echr\n"); break; } case QEMU_OPTION_monitor: monitor_parse(optarg, "readline"); default_monitor = 0; break; case QEMU_OPTION_qmp: monitor_parse(optarg, "control"); default_monitor = 0; break; case QEMU_OPTION_mon: opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1); if (!opts) { exit(1); } default_monitor = 0; break; case QEMU_OPTION_chardev: opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1); if (!opts) { exit(1); } break; case QEMU_OPTION_fsdev: olist = qemu_find_opts("fsdev"); if (!olist) { fprintf(stderr, "fsdev is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } break; case QEMU_OPTION_virtfs: { QemuOpts *fsdev; QemuOpts *device; const char *writeout; olist = qemu_find_opts("virtfs"); if (!olist) { fprintf(stderr, "virtfs is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } if (qemu_opt_get(opts, "fsdriver") == NULL || qemu_opt_get(opts, "mount_tag") == NULL || qemu_opt_get(opts, "path") == NULL) { fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/," "[security_model={mapped|passthrough|none}]," "mount_tag=tag.\n"); exit(1); } fsdev = qemu_opts_create(qemu_find_opts("fsdev"), qemu_opt_get(opts, "mount_tag"), 1); if (!fsdev) { fprintf(stderr, "duplicate fsdev id: %s\n", qemu_opt_get(opts, "mount_tag")); exit(1); } writeout = qemu_opt_get(opts, "writeout"); if (writeout) { #ifdef CONFIG_SYNC_FILE_RANGE qemu_opt_set(fsdev, "writeout", writeout); #else fprintf(stderr, "writeout=immediate not supported on " "this platform\n"); exit(1); #endif } qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver")); qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path")); qemu_opt_set(fsdev, "security_model", qemu_opt_get(opts, "security_model")); qemu_opt_set_bool(fsdev, "readonly", qemu_opt_get_bool(opts, "readonly", 0)); device = qemu_opts_create(qemu_find_opts("device"), NULL, 0); qemu_opt_set(device, "driver", "virtio-9p-pci"); qemu_opt_set(device, "fsdev", qemu_opt_get(opts, "mount_tag")); qemu_opt_set(device, "mount_tag", qemu_opt_get(opts, "mount_tag")); break; } case QEMU_OPTION_virtfs_synth: { QemuOpts *fsdev; QemuOpts *device; fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1); if (!fsdev) { fprintf(stderr, "duplicate option: %s\n", "virtfs_synth"); exit(1); } qemu_opt_set(fsdev, "fsdriver", "synth"); qemu_opt_set(fsdev, "path", "/"); /* ignored */ device = qemu_opts_create(qemu_find_opts("device"), NULL, 0); qemu_opt_set(device, "driver", "virtio-9p-pci"); qemu_opt_set(device, "fsdev", "v_synth"); qemu_opt_set(device, "mount_tag", "v_synth"); break; } case QEMU_OPTION_serial: add_device_config(DEV_SERIAL, optarg); default_serial = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_watchdog: if (watchdog) { fprintf(stderr, "qemu: only one watchdog option may be given\n"); return 1; } watchdog = optarg; break; case QEMU_OPTION_watchdog_action: if (select_watchdog_action(optarg) == -1) { fprintf(stderr, "Unknown -watchdog-action parameter\n"); exit(1); } break; case QEMU_OPTION_virtiocon: add_device_config(DEV_VIRTCON, optarg); default_virtcon = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_parallel: add_device_config(DEV_PARALLEL, optarg); default_parallel = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_debugcon: add_device_config(DEV_DEBUGCON, optarg); break; case QEMU_OPTION_loadvm: loadvm = optarg; break; case QEMU_OPTION_full_screen: full_screen = 1; break; #ifdef CONFIG_SDL case QEMU_OPTION_no_frame: no_frame = 1; break; case QEMU_OPTION_alt_grab: alt_grab = 1; break; case QEMU_OPTION_ctrl_grab: ctrl_grab = 1; break; case QEMU_OPTION_no_quit: no_quit = 1; break; case QEMU_OPTION_sdl: display_type = DT_SDL; break; #else case QEMU_OPTION_no_frame: case QEMU_OPTION_alt_grab: case QEMU_OPTION_ctrl_grab: case QEMU_OPTION_no_quit: case QEMU_OPTION_sdl: fprintf(stderr, "SDL support is disabled\n"); exit(1); #endif case QEMU_OPTION_pidfile: pid_file = optarg; break; case QEMU_OPTION_win2k_hack: win2k_install_hack = 1; break; case QEMU_OPTION_rtc_td_hack: rtc_td_hack = 1; break; case QEMU_OPTION_acpitable: do_acpitable_option(optarg); break; case QEMU_OPTION_smbios: do_smbios_option(optarg); break; case QEMU_OPTION_enable_kvm: olist = qemu_find_opts("machine"); qemu_opts_reset(olist); qemu_opts_parse(olist, "accel=kvm", 0); break; case QEMU_OPTION_machine: olist = qemu_find_opts("machine"); qemu_opts_reset(olist); opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } optarg = qemu_opt_get(opts, "type"); if (optarg) { machine = machine_parse(optarg); } break; case QEMU_OPTION_usb: usb_enabled = 1; break; case QEMU_OPTION_usbdevice: usb_enabled = 1; add_device_config(DEV_USB, optarg); break; case QEMU_OPTION_device: if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) { exit(1); } break; case QEMU_OPTION_smp: smp_parse(optarg); if (smp_cpus < 1) { fprintf(stderr, "Invalid number of CPUs\n"); exit(1); } if (max_cpus < smp_cpus) { fprintf(stderr, "maxcpus must be equal to or greater than " "smp\n"); exit(1); } if (max_cpus > 255) { fprintf(stderr, "Unsupported number of maxcpus\n"); exit(1); } break; case QEMU_OPTION_vnc: #ifdef CONFIG_VNC display_remote++; vnc_display = optarg; #else fprintf(stderr, "VNC support is disabled\n"); exit(1); #endif break; case QEMU_OPTION_no_acpi: acpi_enabled = 0; break; case QEMU_OPTION_no_hpet: no_hpet = 1; break; case QEMU_OPTION_balloon: if (balloon_parse(optarg) < 0) { fprintf(stderr, "Unknown -balloon argument %s\n", optarg); exit(1); } break; case QEMU_OPTION_no_reboot: no_reboot = 1; break; case QEMU_OPTION_no_shutdown: no_shutdown = 1; break; case QEMU_OPTION_show_cursor: cursor_hide = 0; break; case QEMU_OPTION_uuid: if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { fprintf(stderr, "Fail to parse UUID string." " Wrong format.\n"); exit(1); } break; case QEMU_OPTION_option_rom: if (nb_option_roms >= MAX_OPTION_ROMS) { fprintf(stderr, "Too many option ROMs\n"); exit(1); } opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1); option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); option_rom[nb_option_roms].bootindex = qemu_opt_get_number(opts, "bootindex", -1); if (!option_rom[nb_option_roms].name) { fprintf(stderr, "Option ROM file is not specified\n"); exit(1); } nb_option_roms++; break; case QEMU_OPTION_semihosting: semihosting_enabled = 1; break; case QEMU_OPTION_name: qemu_name = g_strdup(optarg); { char *p = strchr(qemu_name, ','); if (p != NULL) { *p++ = 0; if (strncmp(p, "process=", 8)) { fprintf(stderr, "Unknown subargument %s to -name\n", p); exit(1); } p += 8; os_set_proc_name(p); } } break; case QEMU_OPTION_prom_env: if (nb_prom_envs >= MAX_PROM_ENVS) { fprintf(stderr, "Too many prom variables\n"); exit(1); } prom_envs[nb_prom_envs] = optarg; nb_prom_envs++; break; case QEMU_OPTION_old_param: old_param = 1; break; case QEMU_OPTION_clock: configure_alarms(optarg); break; case QEMU_OPTION_startdate: configure_rtc_date_offset(optarg, 1); break; case QEMU_OPTION_rtc: opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0); if (!opts) { exit(1); } configure_rtc(opts); break; case QEMU_OPTION_tb_size: tcg_tb_size = strtol(optarg, NULL, 0); if (tcg_tb_size < 0) { tcg_tb_size = 0; } break; case QEMU_OPTION_icount: icount_option = optarg; break; case QEMU_OPTION_incoming: incoming = optarg; break; case QEMU_OPTION_nodefaults: default_serial = 0; default_parallel = 0; default_virtcon = 0; default_monitor = 0; default_vga = 0; default_net = 0; default_floppy = 0; default_cdrom = 0; default_sdcard = 0; break; case QEMU_OPTION_xen_domid: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_domid = atoi(optarg); break; case QEMU_OPTION_xen_create: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_mode = XEN_CREATE; break; case QEMU_OPTION_xen_attach: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_mode = XEN_ATTACH; break; case QEMU_OPTION_trace: { opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0); if (!opts) { exit(1); } trace_events = qemu_opt_get(opts, "events"); trace_file = qemu_opt_get(opts, "file"); break; } case QEMU_OPTION_readconfig: { int ret = qemu_read_config_file(optarg); if (ret < 0) { fprintf(stderr, "read config %s: %s\n", optarg, strerror(-ret)); exit(1); } break; } case QEMU_OPTION_spice: olist = qemu_find_opts("spice"); if (!olist) { fprintf(stderr, "spice is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 0); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } break; case QEMU_OPTION_writeconfig: { FILE *fp; if (strcmp(optarg, "-") == 0) { fp = stdout; } else { fp = fopen(optarg, "w"); if (fp == NULL) { fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); exit(1); } } qemu_config_write(fp); fclose(fp); break; } default: os_parse_cmd_args(popt->index, optarg); } } } loc_set_none(); /* Open the logfile at this point, if necessary. We can't open the logfile * when encountering either of the logging options (-d or -D) because the * other one may be encountered later on the command line, changing the * location or level of logging. */ if (log_mask) { if (log_file) { set_cpu_log_filename(log_file); } set_cpu_log(log_mask); } if (!trace_backend_init(trace_events, trace_file)) { exit(1); } /* If no data_dir is specified then try to find it relative to the executable path. */ if (!data_dir) { data_dir = os_find_datadir(argv[0]); } /* If all else fails use the install path specified when building. */ if (!data_dir) { data_dir = CONFIG_QEMU_DATADIR; } if (machine == NULL) { fprintf(stderr, "No machine found.\n"); exit(1); } /* * Default to max_cpus = smp_cpus, in case the user doesn't * specify a max_cpus value. */ if (!max_cpus) max_cpus = smp_cpus; machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ if (smp_cpus > machine->max_cpus) { fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " "supported by machine `%s' (%d)\n", smp_cpus, machine->name, machine->max_cpus); exit(1); } /* * Get the default machine options from the machine if it is not already * specified either by the configuration file or by the command line. */ if (machine->default_machine_opts) { QemuOptsList *list = qemu_find_opts("machine"); const char *p = NULL; if (!QTAILQ_EMPTY(&list->head)) { p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel"); } if (p == NULL) { qemu_opts_reset(list); opts = qemu_opts_parse(list, machine->default_machine_opts, 0); if (!opts) { fprintf(stderr, "parse error for machine %s: %s\n", machine->name, machine->default_machine_opts); exit(1); } } } qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0); qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0); if (machine->no_serial) { default_serial = 0; } if (machine->no_parallel) { default_parallel = 0; } if (!machine->use_virtcon) { default_virtcon = 0; } if (machine->no_vga) { default_vga = 0; } if (machine->no_floppy) { default_floppy = 0; } if (machine->no_cdrom) { default_cdrom = 0; } if (machine->no_sdcard) { default_sdcard = 0; } if (display_type == DT_NOGRAPHIC) { if (default_parallel) add_device_config(DEV_PARALLEL, "null"); if (default_serial && default_monitor) { add_device_config(DEV_SERIAL, "mon:stdio"); } else if (default_virtcon && default_monitor) { add_device_config(DEV_VIRTCON, "mon:stdio"); } else { if (default_serial) add_device_config(DEV_SERIAL, "stdio"); if (default_virtcon) add_device_config(DEV_VIRTCON, "stdio"); if (default_monitor) monitor_parse("stdio", "readline"); } } else { if (default_serial) add_device_config(DEV_SERIAL, "vc:80Cx24C"); if (default_parallel) add_device_config(DEV_PARALLEL, "vc:80Cx24C"); if (default_monitor) monitor_parse("vc:80Cx24C", "readline"); if (default_virtcon) add_device_config(DEV_VIRTCON, "vc:80Cx24C"); } if (default_vga) vga_interface_type = VGA_CIRRUS; socket_init(); if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0) exit(1); #ifdef CONFIG_VIRTFS if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) { exit(1); } #endif os_daemonize(); if (pid_file && qemu_create_pidfile(pid_file) != 0) { os_pidfile_error(); exit(1); } /* init the memory */ if (ram_size == 0) { ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; } configure_accelerator(); qemu_init_cpu_loop(); if (qemu_init_main_loop()) { fprintf(stderr, "qemu_init_main_loop failed\n"); exit(1); } linux_boot = (kernel_filename != NULL); if (!linux_boot && *kernel_cmdline != '\0') { fprintf(stderr, "-append only allowed with -kernel option\n"); exit(1); } if (!linux_boot && initrd_filename != NULL) { fprintf(stderr, "-initrd only allowed with -kernel option\n"); exit(1); } os_set_line_buffering(); if (init_timer_alarm() < 0) { fprintf(stderr, "could not initialize alarm timer\n"); exit(1); } if (icount_option && (kvm_enabled() || xen_enabled())) { fprintf(stderr, "-icount is not allowed with kvm or xen\n"); exit(1); } configure_icount(icount_option); if (net_init_clients() < 0) { exit(1); } /* init the bluetooth world */ if (foreach_device_config(DEV_BT, bt_parse)) exit(1); if (!xen_enabled()) { /* On 32-bit hosts, QEMU is limited by virtual address space */ if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) { fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); exit(1); } } cpu_exec_init_all(); bdrv_init_with_whitelist(); blk_mig_init(); /* open the virtual block devices */ if (snapshot) qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0); if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0) exit(1); default_drive(default_cdrom, snapshot, machine->use_scsi, IF_DEFAULT, 2, CDROM_OPTS); default_drive(default_floppy, snapshot, machine->use_scsi, IF_FLOPPY, 0, FD_OPTS); default_drive(default_sdcard, snapshot, machine->use_scsi, IF_SD, 0, SD_OPTS); register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL, ram_load, NULL); if (nb_numa_nodes > 0) { int i; if (nb_numa_nodes > MAX_NODES) { nb_numa_nodes = MAX_NODES; } /* If no memory size if given for any node, assume the default case * and distribute the available memory equally across all nodes */ for (i = 0; i < nb_numa_nodes; i++) { if (node_mem[i] != 0) break; } if (i == nb_numa_nodes) { uint64_t usedmem = 0; /* On Linux, the each node's border has to be 8MB aligned, * the final node gets the rest. */ for (i = 0; i < nb_numa_nodes - 1; i++) { node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); usedmem += node_mem[i]; } node_mem[i] = ram_size - usedmem; } for (i = 0; i < nb_numa_nodes; i++) { if (node_cpumask[i] != 0) break; } /* assigning the VCPUs round-robin is easier to implement, guest OSes * must cope with this anyway, because there are BIOSes out there in * real machines which also use this scheme. */ if (i == nb_numa_nodes) { for (i = 0; i < max_cpus; i++) { node_cpumask[i % nb_numa_nodes] |= 1 << i; } } } if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) { exit(1); } if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) exit(1); if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) exit(1); if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) exit(1); if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) exit(1); module_call_init(MODULE_INIT_DEVICE); if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0) exit(0); if (watchdog) { i = select_watchdog(watchdog); if (i > 0) exit (i == 1 ? 1 : 0); } if (machine->compat_props) { qdev_prop_register_global_list(machine->compat_props); } qemu_add_globals(); qdev_machine_init(); machine->init(ram_size, boot_devices, kernel_filename, kernel_cmdline, initrd_filename, cpu_model); cpu_synchronize_all_post_init(); set_numa_modes(); current_machine = machine; /* init USB devices */ if (usb_enabled) { if (foreach_device_config(DEV_USB, usb_parse) < 0) exit(1); } /* init generic devices */ if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0) exit(1); net_check_clients(); /* just use the first displaystate for the moment */ ds = get_displaystate(); if (using_spice) display_remote++; if (display_type == DT_DEFAULT && !display_remote) { #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) display_type = DT_SDL; #elif defined(CONFIG_VNC) vnc_display = "localhost:0,to=99"; show_vnc_port = 1; #else display_type = DT_NONE; #endif } /* init local displays */ switch (display_type) { case DT_NOGRAPHIC: break; #if defined(CONFIG_CURSES) case DT_CURSES: curses_display_init(ds, full_screen); break; #endif #if defined(CONFIG_SDL) case DT_SDL: sdl_display_init(ds, full_screen, no_frame); break; #elif defined(CONFIG_COCOA) case DT_SDL: cocoa_display_init(ds, full_screen); break; #endif default: break; } /* must be after terminal init, SDL library changes signal handlers */ os_setup_signal_handling(); #ifdef CONFIG_VNC /* init remote displays */ if (vnc_display) { vnc_display_init(ds); if (vnc_display_open(ds, vnc_display) < 0) exit(1); if (show_vnc_port) { printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); } } #endif #ifdef CONFIG_SPICE if (using_spice && !qxl_enabled) { qemu_spice_display_init(ds); } #endif /* display setup */ dpy_resize(ds); dcl = ds->listeners; while (dcl != NULL) { if (dcl->dpy_refresh != NULL) { ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds); qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock)); break; } dcl = dcl->next; } text_consoles_set_display(ds); if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", gdbstub_dev); exit(1); } qdev_machine_creation_done(); if (rom_load_all() != 0) { fprintf(stderr, "rom loading failed\n"); exit(1); } /* TODO: once all bus devices are qdevified, this should be done * when bus is created by qdev.c */ qemu_register_reset(qbus_reset_all_fn, sysbus_get_default()); qemu_run_machine_init_done_notifiers(); qemu_system_reset(VMRESET_SILENT); if (loadvm) { if (load_vmstate(loadvm) < 0) { autostart = 0; } } if (incoming) { runstate_set(RUN_STATE_INMIGRATE); int ret = qemu_start_incoming_migration(incoming); if (ret < 0) { fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n", incoming, ret); exit(ret); } } else if (autostart) { vm_start(); } os_setup_post(); resume_all_vcpus(); main_loop(); bdrv_close_all(); pause_all_vcpus(); net_cleanup(); res_free(); return 0; }