/* * QEMU System Emulator * * Copyright (c) 2003-2008 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include #include #include #include #include #include #include "config-host.h" #ifdef CONFIG_SECCOMP #include "sysemu/seccomp.h" #endif #if defined(CONFIG_VDE) #include #endif #ifdef CONFIG_SDL #if defined(__APPLE__) || defined(main) #include int qemu_main(int argc, char **argv, char **envp); int main(int argc, char **argv) { return qemu_main(argc, argv, NULL); } #undef main #define main qemu_main #endif #endif /* CONFIG_SDL */ #ifdef CONFIG_COCOA #undef main #define main qemu_main #endif /* CONFIG_COCOA */ #include #include "qemu/sockets.h" #include "hw/hw.h" #include "hw/boards.h" #include "hw/usb.h" #include "hw/pcmcia.h" #include "hw/i386/pc.h" #include "hw/isa/isa.h" #include "hw/bt.h" #include "sysemu/watchdog.h" #include "hw/i386/smbios.h" #include "hw/xen/xen.h" #include "hw/qdev.h" #include "hw/loader.h" #include "monitor/qdev.h" #include "sysemu/bt.h" #include "net/net.h" #include "net/slirp.h" #include "monitor/monitor.h" #include "ui/console.h" #include "sysemu/sysemu.h" #include "exec/gdbstub.h" #include "qemu/timer.h" #include "sysemu/char.h" #include "qemu/bitmap.h" #include "qemu/cache-utils.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" #include "migration/block.h" #include "sysemu/tpm.h" #include "sysemu/dma.h" #include "audio/audio.h" #include "migration/migration.h" #include "sysemu/kvm.h" #include "qapi/qmp/qjson.h" #include "qemu/option.h" #include "qemu/config-file.h" #include "qemu-options.h" #include "qmp-commands.h" #include "qemu/main-loop.h" #ifdef CONFIG_VIRTFS #include "fsdev/qemu-fsdev.h" #endif #include "sysemu/qtest.h" #include "disas/disas.h" #include "slirp/libslirp.h" #include "trace.h" #include "trace/control.h" #include "qemu/queue.h" #include "sysemu/cpus.h" #include "sysemu/arch_init.h" #include "qemu/osdep.h" #include "ui/qemu-spice.h" #include "qapi/string-input-visitor.h" #include "qom/object_interfaces.h" #define DEFAULT_RAM_SIZE 128 #define MAX_VIRTIO_CONSOLES 1 #define MAX_SCLP_CONSOLES 1 static const char *data_dir[16]; static int data_dir_idx; const char *bios_name = NULL; enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; DisplayType display_type = DT_DEFAULT; static int display_remote; const char* keyboard_layout = NULL; ram_addr_t ram_size; const char *mem_path = NULL; int mem_prealloc = 0; /* force preallocation of physical target memory */ int nb_nics; NICInfo nd_table[MAX_NICS]; int autostart; static int rtc_utc = 1; static int rtc_date_offset = -1; /* -1 means no change */ QEMUClockType rtc_clock; int vga_interface_type = VGA_NONE; static int full_screen = 0; static int no_frame = 0; int no_quit = 0; #ifdef CONFIG_GTK static bool grab_on_hover; #endif CharDriverState *serial_hds[MAX_SERIAL_PORTS]; CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; CharDriverState *sclp_hds[MAX_SCLP_CONSOLES]; int win2k_install_hack = 0; int singlestep = 0; int smp_cpus = 1; int max_cpus = 0; int smp_cores = 1; int smp_threads = 1; #ifdef CONFIG_VNC const char *vnc_display; #endif int acpi_enabled = 1; int no_hpet = 0; int fd_bootchk = 1; static int no_reboot; int no_shutdown = 0; int cursor_hide = 1; int graphic_rotate = 0; const char *watchdog; QEMUOptionRom option_rom[MAX_OPTION_ROMS]; int nb_option_roms; int semihosting_enabled = 0; int old_param = 0; const char *qemu_name; int alt_grab = 0; int ctrl_grab = 0; unsigned int nb_prom_envs = 0; const char *prom_envs[MAX_PROM_ENVS]; int boot_menu; static bool boot_strict; uint8_t *boot_splash_filedata; size_t boot_splash_filedata_size; uint8_t qemu_extra_params_fw[2]; typedef struct FWBootEntry FWBootEntry; struct FWBootEntry { QTAILQ_ENTRY(FWBootEntry) link; int32_t bootindex; DeviceState *dev; char *suffix; }; static QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order); int nb_numa_nodes; uint64_t node_mem[MAX_NODES]; unsigned long *node_cpumask[MAX_NODES]; uint8_t qemu_uuid[16]; bool qemu_uuid_set; static QEMUBootSetHandler *boot_set_handler; static void *boot_set_opaque; static NotifierList exit_notifiers = NOTIFIER_LIST_INITIALIZER(exit_notifiers); static NotifierList machine_init_done_notifiers = NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); static bool tcg_allowed = true; bool xen_allowed; uint32_t xen_domid; enum xen_mode xen_mode = XEN_EMULATE; static int tcg_tb_size; static int has_defaults = 1; static int default_serial = 1; static int default_parallel = 1; static int default_virtcon = 1; static int default_sclp = 1; static int default_monitor = 1; static int default_floppy = 1; static int default_cdrom = 1; static int default_sdcard = 1; static int default_vga = 1; static struct { const char *driver; int *flag; } default_list[] = { { .driver = "isa-serial", .flag = &default_serial }, { .driver = "isa-parallel", .flag = &default_parallel }, { .driver = "isa-fdc", .flag = &default_floppy }, { .driver = "ide-cd", .flag = &default_cdrom }, { .driver = "ide-hd", .flag = &default_cdrom }, { .driver = "ide-drive", .flag = &default_cdrom }, { .driver = "scsi-cd", .flag = &default_cdrom }, { .driver = "virtio-serial-pci", .flag = &default_virtcon }, { .driver = "virtio-serial-s390", .flag = &default_virtcon }, { .driver = "virtio-serial", .flag = &default_virtcon }, { .driver = "VGA", .flag = &default_vga }, { .driver = "isa-vga", .flag = &default_vga }, { .driver = "cirrus-vga", .flag = &default_vga }, { .driver = "isa-cirrus-vga", .flag = &default_vga }, { .driver = "vmware-svga", .flag = &default_vga }, { .driver = "qxl-vga", .flag = &default_vga }, }; static QemuOptsList qemu_rtc_opts = { .name = "rtc", .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), .desc = { { .name = "base", .type = QEMU_OPT_STRING, },{ .name = "clock", .type = QEMU_OPT_STRING, },{ .name = "driftfix", .type = QEMU_OPT_STRING, }, { /* end of list */ } }, }; static QemuOptsList qemu_sandbox_opts = { .name = "sandbox", .implied_opt_name = "enable", .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head), .desc = { { .name = "enable", .type = QEMU_OPT_BOOL, }, { /* end of list */ } }, }; static QemuOptsList qemu_trace_opts = { .name = "trace", .implied_opt_name = "trace", .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head), .desc = { { .name = "events", .type = QEMU_OPT_STRING, },{ .name = "file", .type = QEMU_OPT_STRING, }, { /* end of list */ } }, }; static QemuOptsList qemu_option_rom_opts = { .name = "option-rom", .implied_opt_name = "romfile", .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), .desc = { { .name = "bootindex", .type = QEMU_OPT_NUMBER, }, { .name = "romfile", .type = QEMU_OPT_STRING, }, { /* end of list */ } }, }; static QemuOptsList qemu_machine_opts = { .name = "machine", .implied_opt_name = "type", .merge_lists = true, .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), .desc = { { .name = "type", .type = QEMU_OPT_STRING, .help = "emulated machine" }, { .name = "accel", .type = QEMU_OPT_STRING, .help = "accelerator list", }, { .name = "kernel_irqchip", .type = QEMU_OPT_BOOL, .help = "use KVM in-kernel irqchip", }, { .name = "kvm_shadow_mem", .type = QEMU_OPT_SIZE, .help = "KVM shadow MMU size", }, { .name = "kernel", .type = QEMU_OPT_STRING, .help = "Linux kernel image file", }, { .name = "initrd", .type = QEMU_OPT_STRING, .help = "Linux initial ramdisk file", }, { .name = "append", .type = QEMU_OPT_STRING, .help = "Linux kernel command line", }, { .name = "dtb", .type = QEMU_OPT_STRING, .help = "Linux kernel device tree file", }, { .name = "dumpdtb", .type = QEMU_OPT_STRING, .help = "Dump current dtb to a file and quit", }, { .name = "phandle_start", .type = QEMU_OPT_NUMBER, .help = "The first phandle ID we may generate dynamically", }, { .name = "dt_compatible", .type = QEMU_OPT_STRING, .help = "Overrides the \"compatible\" property of the dt root node", }, { .name = "dump-guest-core", .type = QEMU_OPT_BOOL, .help = "Include guest memory in a core dump", }, { .name = "mem-merge", .type = QEMU_OPT_BOOL, .help = "enable/disable memory merge support", },{ .name = "usb", .type = QEMU_OPT_BOOL, .help = "Set on/off to enable/disable usb", },{ .name = "firmware", .type = QEMU_OPT_STRING, .help = "firmware image", },{ .name = "kvm-type", .type = QEMU_OPT_STRING, .help = "Specifies the KVM virtualization mode (HV, PR)", }, { /* End of list */ } }, }; static QemuOptsList qemu_boot_opts = { .name = "boot-opts", .implied_opt_name = "order", .merge_lists = true, .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), .desc = { { .name = "order", .type = QEMU_OPT_STRING, }, { .name = "once", .type = QEMU_OPT_STRING, }, { .name = "menu", .type = QEMU_OPT_BOOL, }, { .name = "splash", .type = QEMU_OPT_STRING, }, { .name = "splash-time", .type = QEMU_OPT_STRING, }, { .name = "reboot-timeout", .type = QEMU_OPT_STRING, }, { .name = "strict", .type = QEMU_OPT_BOOL, }, { /*End of list */ } }, }; static QemuOptsList qemu_add_fd_opts = { .name = "add-fd", .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), .desc = { { .name = "fd", .type = QEMU_OPT_NUMBER, .help = "file descriptor of which a duplicate is added to fd set", },{ .name = "set", .type = QEMU_OPT_NUMBER, .help = "ID of the fd set to add fd to", },{ .name = "opaque", .type = QEMU_OPT_STRING, .help = "free-form string used to describe fd", }, { /* end of list */ } }, }; static QemuOptsList qemu_object_opts = { .name = "object", .implied_opt_name = "qom-type", .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), .desc = { { } }, }; static QemuOptsList qemu_tpmdev_opts = { .name = "tpmdev", .implied_opt_name = "type", .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), .desc = { /* options are defined in the TPM backends */ { /* end of list */ } }, }; static QemuOptsList qemu_realtime_opts = { .name = "realtime", .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head), .desc = { { .name = "mlock", .type = QEMU_OPT_BOOL, }, { /* end of list */ } }, }; static QemuOptsList qemu_msg_opts = { .name = "msg", .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), .desc = { { .name = "timestamp", .type = QEMU_OPT_BOOL, }, { /* end of list */ } }, }; static QemuOptsList qemu_name_opts = { .name = "name", .implied_opt_name = "guest", .merge_lists = true, .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), .desc = { { .name = "guest", .type = QEMU_OPT_STRING, .help = "Sets the name of the guest.\n" "This name will be displayed in the SDL window caption.\n" "The name will also be used for the VNC server", }, { .name = "process", .type = QEMU_OPT_STRING, .help = "Sets the name of the QEMU process, as shown in top etc", }, { .name = "debug-threads", .type = QEMU_OPT_BOOL, .help = "When enabled, name the individual threads; defaults off.\n" "NOTE: The thread names are for debugging and not a\n" "stable API.", }, { /* End of list */ } }, }; static QemuOptsList qemu_mem_opts = { .name = "memory", .implied_opt_name = "size", .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), .merge_lists = true, .desc = { { .name = "size", .type = QEMU_OPT_SIZE, }, { /* end of list */ } }, }; /** * Get machine options * * Returns: machine options (never null). */ QemuOpts *qemu_get_machine_opts(void) { return qemu_find_opts_singleton("machine"); } const char *qemu_get_vm_name(void) { return qemu_name; } static void res_free(void) { if (boot_splash_filedata != NULL) { g_free(boot_splash_filedata); boot_splash_filedata = NULL; } } static int default_driver_check(QemuOpts *opts, void *opaque) { const char *driver = qemu_opt_get(opts, "driver"); int i; if (!driver) return 0; for (i = 0; i < ARRAY_SIZE(default_list); i++) { if (strcmp(default_list[i].driver, driver) != 0) continue; *(default_list[i].flag) = 0; } return 0; } /***********************************************************/ /* QEMU state */ static RunState current_run_state = RUN_STATE_PRELAUNCH; typedef struct { RunState from; RunState to; } RunStateTransition; static const RunStateTransition runstate_transitions_def[] = { /* from -> to */ { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED }, { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING }, { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE }, { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE }, { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING }, { RUN_STATE_RUNNING, RUN_STATE_DEBUG }, { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR }, { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR }, { RUN_STATE_RUNNING, RUN_STATE_PAUSED }, { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM }, { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM }, { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN }, { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG }, { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED }, { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING }, { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED }, { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED }, { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING }, { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING }, { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING }, { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_MAX, RUN_STATE_MAX }, }; static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX]; bool runstate_check(RunState state) { return current_run_state == state; } static void runstate_init(void) { const RunStateTransition *p; memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions)); for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) { runstate_valid_transitions[p->from][p->to] = true; } } /* This function will abort() on invalid state transitions */ void runstate_set(RunState new_state) { assert(new_state < RUN_STATE_MAX); if (!runstate_valid_transitions[current_run_state][new_state]) { fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n", RunState_lookup[current_run_state], RunState_lookup[new_state]); abort(); } trace_runstate_set(new_state); current_run_state = new_state; } int runstate_is_running(void) { return runstate_check(RUN_STATE_RUNNING); } bool runstate_needs_reset(void) { return runstate_check(RUN_STATE_INTERNAL_ERROR) || runstate_check(RUN_STATE_SHUTDOWN); } StatusInfo *qmp_query_status(Error **errp) { StatusInfo *info = g_malloc0(sizeof(*info)); info->running = runstate_is_running(); info->singlestep = singlestep; info->status = current_run_state; return info; } /***********************************************************/ /* real time host monotonic timer */ /***********************************************************/ /* host time/date access */ void qemu_get_timedate(struct tm *tm, int offset) { time_t ti; time(&ti); ti += offset; if (rtc_date_offset == -1) { if (rtc_utc) gmtime_r(&ti, tm); else localtime_r(&ti, tm); } else { ti -= rtc_date_offset; gmtime_r(&ti, tm); } } int qemu_timedate_diff(struct tm *tm) { time_t seconds; if (rtc_date_offset == -1) if (rtc_utc) seconds = mktimegm(tm); else { struct tm tmp = *tm; tmp.tm_isdst = -1; /* use timezone to figure it out */ seconds = mktime(&tmp); } else seconds = mktimegm(tm) + rtc_date_offset; return seconds - time(NULL); } void rtc_change_mon_event(struct tm *tm) { QObject *data; data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm)); monitor_protocol_event(QEVENT_RTC_CHANGE, data); qobject_decref(data); } static void configure_rtc_date_offset(const char *startdate, int legacy) { time_t rtc_start_date; struct tm tm; if (!strcmp(startdate, "now") && legacy) { rtc_date_offset = -1; } else { if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) { /* OK */ } else if (sscanf(startdate, "%d-%d-%d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) { tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; } else { goto date_fail; } tm.tm_year -= 1900; tm.tm_mon--; rtc_start_date = mktimegm(&tm); if (rtc_start_date == -1) { date_fail: fprintf(stderr, "Invalid date format. Valid formats are:\n" "'2006-06-17T16:01:21' or '2006-06-17'\n"); exit(1); } rtc_date_offset = time(NULL) - rtc_start_date; } } static void configure_rtc(QemuOpts *opts) { const char *value; value = qemu_opt_get(opts, "base"); if (value) { if (!strcmp(value, "utc")) { rtc_utc = 1; } else if (!strcmp(value, "localtime")) { rtc_utc = 0; } else { configure_rtc_date_offset(value, 0); } } value = qemu_opt_get(opts, "clock"); if (value) { if (!strcmp(value, "host")) { rtc_clock = QEMU_CLOCK_HOST; } else if (!strcmp(value, "rt")) { rtc_clock = QEMU_CLOCK_REALTIME; } else if (!strcmp(value, "vm")) { rtc_clock = QEMU_CLOCK_VIRTUAL; } else { fprintf(stderr, "qemu: invalid option value '%s'\n", value); exit(1); } } value = qemu_opt_get(opts, "driftfix"); if (value) { if (!strcmp(value, "slew")) { static GlobalProperty slew_lost_ticks[] = { { .driver = "mc146818rtc", .property = "lost_tick_policy", .value = "slew", }, { /* end of list */ } }; qdev_prop_register_global_list(slew_lost_ticks); } else if (!strcmp(value, "none")) { /* discard is default */ } else { fprintf(stderr, "qemu: invalid option value '%s'\n", value); exit(1); } } } /***********************************************************/ /* Bluetooth support */ static int nb_hcis; static int cur_hci; static struct HCIInfo *hci_table[MAX_NICS]; struct HCIInfo *qemu_next_hci(void) { if (cur_hci == nb_hcis) return &null_hci; return hci_table[cur_hci++]; } static int bt_hci_parse(const char *str) { struct HCIInfo *hci; bdaddr_t bdaddr; if (nb_hcis >= MAX_NICS) { fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); return -1; } hci = hci_init(str); if (!hci) return -1; bdaddr.b[0] = 0x52; bdaddr.b[1] = 0x54; bdaddr.b[2] = 0x00; bdaddr.b[3] = 0x12; bdaddr.b[4] = 0x34; bdaddr.b[5] = 0x56 + nb_hcis; hci->bdaddr_set(hci, bdaddr.b); hci_table[nb_hcis++] = hci; return 0; } static void bt_vhci_add(int vlan_id) { struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); if (!vlan->slave) fprintf(stderr, "qemu: warning: adding a VHCI to " "an empty scatternet %i\n", vlan_id); bt_vhci_init(bt_new_hci(vlan)); } static struct bt_device_s *bt_device_add(const char *opt) { struct bt_scatternet_s *vlan; int vlan_id = 0; char *endp = strstr(opt, ",vlan="); int len = (endp ? endp - opt : strlen(opt)) + 1; char devname[10]; pstrcpy(devname, MIN(sizeof(devname), len), opt); if (endp) { vlan_id = strtol(endp + 6, &endp, 0); if (*endp) { fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); return 0; } } vlan = qemu_find_bt_vlan(vlan_id); if (!vlan->slave) fprintf(stderr, "qemu: warning: adding a slave device to " "an empty scatternet %i\n", vlan_id); if (!strcmp(devname, "keyboard")) return bt_keyboard_init(vlan); fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); return 0; } static int bt_parse(const char *opt) { const char *endp, *p; int vlan; if (strstart(opt, "hci", &endp)) { if (!*endp || *endp == ',') { if (*endp) if (!strstart(endp, ",vlan=", 0)) opt = endp + 1; return bt_hci_parse(opt); } } else if (strstart(opt, "vhci", &endp)) { if (!*endp || *endp == ',') { if (*endp) { if (strstart(endp, ",vlan=", &p)) { vlan = strtol(p, (char **) &endp, 0); if (*endp) { fprintf(stderr, "qemu: bad scatternet '%s'\n", p); return 1; } } else { fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); return 1; } } else vlan = 0; bt_vhci_add(vlan); return 0; } } else if (strstart(opt, "device:", &endp)) return !bt_device_add(endp); fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); return 1; } static int parse_sandbox(QemuOpts *opts, void *opaque) { /* FIXME: change this to true for 1.3 */ if (qemu_opt_get_bool(opts, "enable", false)) { #ifdef CONFIG_SECCOMP if (seccomp_start() < 0) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "failed to install seccomp syscall filter in the kernel"); return -1; } #else qerror_report(ERROR_CLASS_GENERIC_ERROR, "sandboxing request but seccomp is not compiled into this build"); return -1; #endif } return 0; } static void parse_name(QemuOpts *opts) { const char *proc_name; if (qemu_opt_get(opts, "debug-threads")) { qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false)); } qemu_name = qemu_opt_get(opts, "guest"); proc_name = qemu_opt_get(opts, "process"); if (proc_name) { os_set_proc_name(proc_name); } } bool usb_enabled(bool default_usb) { return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", has_defaults && default_usb); } #ifndef _WIN32 static int parse_add_fd(QemuOpts *opts, void *opaque) { int fd, dupfd, flags; int64_t fdset_id; const char *fd_opaque = NULL; fd = qemu_opt_get_number(opts, "fd", -1); fdset_id = qemu_opt_get_number(opts, "set", -1); fd_opaque = qemu_opt_get(opts, "opaque"); if (fd < 0) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "fd option is required and must be non-negative"); return -1; } if (fd <= STDERR_FILENO) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "fd cannot be a standard I/O stream"); return -1; } /* * All fds inherited across exec() necessarily have FD_CLOEXEC * clear, while qemu sets FD_CLOEXEC on all other fds used internally. */ flags = fcntl(fd, F_GETFD); if (flags == -1 || (flags & FD_CLOEXEC)) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "fd is not valid or already in use"); return -1; } if (fdset_id < 0) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "set option is required and must be non-negative"); return -1; } #ifdef F_DUPFD_CLOEXEC dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0); #else dupfd = dup(fd); if (dupfd != -1) { qemu_set_cloexec(dupfd); } #endif if (dupfd == -1) { qerror_report(ERROR_CLASS_GENERIC_ERROR, "Error duplicating fd: %s", strerror(errno)); return -1; } /* add the duplicate fd, and optionally the opaque string, to the fd set */ monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false, fd_opaque, NULL); return 0; } static int cleanup_add_fd(QemuOpts *opts, void *opaque) { int fd; fd = qemu_opt_get_number(opts, "fd", -1); close(fd); return 0; } #endif /***********************************************************/ /* QEMU Block devices */ #define HD_OPTS "media=disk" #define CDROM_OPTS "media=cdrom" #define FD_OPTS "" #define PFLASH_OPTS "" #define MTD_OPTS "" #define SD_OPTS "" static int drive_init_func(QemuOpts *opts, void *opaque) { BlockInterfaceType *block_default_type = opaque; return drive_init(opts, *block_default_type) == NULL; } static int drive_enable_snapshot(QemuOpts *opts, void *opaque) { if (NULL == qemu_opt_get(opts, "snapshot")) { qemu_opt_set(opts, "snapshot", "on"); } return 0; } static void default_drive(int enable, int snapshot, BlockInterfaceType type, int index, const char *optstr) { QemuOpts *opts; if (!enable || drive_get_by_index(type, index)) { return; } opts = drive_add(type, index, NULL, optstr); if (snapshot) { drive_enable_snapshot(opts, NULL); } if (!drive_init(opts, type)) { exit(1); } } void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) { boot_set_handler = func; boot_set_opaque = opaque; } int qemu_boot_set(const char *boot_order) { if (!boot_set_handler) { return -EINVAL; } return boot_set_handler(boot_set_opaque, boot_order); } static void validate_bootdevices(const char *devices) { /* We just do some generic consistency checks */ const char *p; int bitmap = 0; for (p = devices; *p != '\0'; p++) { /* Allowed boot devices are: * a-b: floppy disk drives * c-f: IDE disk drives * g-m: machine implementation dependent drives * n-p: network devices * It's up to each machine implementation to check if the given boot * devices match the actual hardware implementation and firmware * features. */ if (*p < 'a' || *p > 'p') { fprintf(stderr, "Invalid boot device '%c'\n", *p); exit(1); } if (bitmap & (1 << (*p - 'a'))) { fprintf(stderr, "Boot device '%c' was given twice\n", *p); exit(1); } bitmap |= 1 << (*p - 'a'); } } static void restore_boot_order(void *opaque) { char *normal_boot_order = opaque; static int first = 1; /* Restore boot order and remove ourselves after the first boot */ if (first) { first = 0; return; } qemu_boot_set(normal_boot_order); qemu_unregister_reset(restore_boot_order, normal_boot_order); g_free(normal_boot_order); } void add_boot_device_path(int32_t bootindex, DeviceState *dev, const char *suffix) { FWBootEntry *node, *i; if (bootindex < 0) { return; } assert(dev != NULL || suffix != NULL); node = g_malloc0(sizeof(FWBootEntry)); node->bootindex = bootindex; node->suffix = g_strdup(suffix); node->dev = dev; QTAILQ_FOREACH(i, &fw_boot_order, link) { if (i->bootindex == bootindex) { fprintf(stderr, "Two devices with same boot index %d\n", bootindex); exit(1); } else if (i->bootindex < bootindex) { continue; } QTAILQ_INSERT_BEFORE(i, node, link); return; } QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); } DeviceState *get_boot_device(uint32_t position) { uint32_t counter = 0; FWBootEntry *i = NULL; DeviceState *res = NULL; if (!QTAILQ_EMPTY(&fw_boot_order)) { QTAILQ_FOREACH(i, &fw_boot_order, link) { if (counter == position) { res = i->dev; break; } counter++; } } return res; } /* * This function returns null terminated string that consist of new line * separated device paths. * * memory pointed by "size" is assigned total length of the array in bytes * */ char *get_boot_devices_list(size_t *size, bool ignore_suffixes) { FWBootEntry *i; size_t total = 0; char *list = NULL; QTAILQ_FOREACH(i, &fw_boot_order, link) { char *devpath = NULL, *bootpath; size_t len; if (i->dev) { devpath = qdev_get_fw_dev_path(i->dev); assert(devpath); } if (i->suffix && !ignore_suffixes && devpath) { size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1; bootpath = g_malloc(bootpathlen); snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix); g_free(devpath); } else if (devpath) { bootpath = devpath; } else if (!ignore_suffixes) { assert(i->suffix); bootpath = g_strdup(i->suffix); } else { bootpath = g_strdup(""); } if (total) { list[total-1] = '\n'; } len = strlen(bootpath) + 1; list = g_realloc(list, total + len); memcpy(&list[total], bootpath, len); total += len; g_free(bootpath); } *size = total; if (boot_strict && *size > 0) { list[total-1] = '\n'; list = g_realloc(list, total + 5); memcpy(&list[total], "HALT", 5); *size = total + 5; } return list; } static void numa_node_parse_cpus(int nodenr, const char *cpus) { char *endptr; unsigned long long value, endvalue; /* Empty CPU range strings will be considered valid, they will simply * not set any bit in the CPU bitmap. */ if (!*cpus) { return; } if (parse_uint(cpus, &value, &endptr, 10) < 0) { goto error; } if (*endptr == '-') { if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) { goto error; } } else if (*endptr == '\0') { endvalue = value; } else { goto error; } if (endvalue >= MAX_CPUMASK_BITS) { endvalue = MAX_CPUMASK_BITS - 1; fprintf(stderr, "qemu: NUMA: A max of %d VCPUs are supported\n", MAX_CPUMASK_BITS); } if (endvalue < value) { goto error; } bitmap_set(node_cpumask[nodenr], value, endvalue-value+1); return; error: fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus); exit(1); } static void numa_add(const char *optarg) { char option[128]; char *endptr; unsigned long long nodenr; optarg = get_opt_name(option, 128, optarg, ','); if (*optarg == ',') { optarg++; } if (!strcmp(option, "node")) { if (nb_numa_nodes >= MAX_NODES) { fprintf(stderr, "qemu: too many NUMA nodes\n"); exit(1); } if (get_param_value(option, 128, "nodeid", optarg) == 0) { nodenr = nb_numa_nodes; } else { if (parse_uint_full(option, &nodenr, 10) < 0) { fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option); exit(1); } } if (nodenr >= MAX_NODES) { fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr); exit(1); } if (get_param_value(option, 128, "mem", optarg) == 0) { node_mem[nodenr] = 0; } else { int64_t sval; sval = strtosz(option, &endptr); if (sval < 0 || *endptr) { fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg); exit(1); } node_mem[nodenr] = sval; } if (get_param_value(option, 128, "cpus", optarg) != 0) { numa_node_parse_cpus(nodenr, option); } nb_numa_nodes++; } else { fprintf(stderr, "Invalid -numa option: %s\n", option); exit(1); } } static QemuOptsList qemu_smp_opts = { .name = "smp-opts", .implied_opt_name = "cpus", .merge_lists = true, .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head), .desc = { { .name = "cpus", .type = QEMU_OPT_NUMBER, }, { .name = "sockets", .type = QEMU_OPT_NUMBER, }, { .name = "cores", .type = QEMU_OPT_NUMBER, }, { .name = "threads", .type = QEMU_OPT_NUMBER, }, { .name = "maxcpus", .type = QEMU_OPT_NUMBER, }, { /*End of list */ } }, }; static void smp_parse(QemuOpts *opts) { if (opts) { unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); unsigned cores = qemu_opt_get_number(opts, "cores", 0); unsigned threads = qemu_opt_get_number(opts, "threads", 0); /* compute missing values, prefer sockets over cores over threads */ if (cpus == 0 || sockets == 0) { sockets = sockets > 0 ? sockets : 1; cores = cores > 0 ? cores : 1; threads = threads > 0 ? threads : 1; if (cpus == 0) { cpus = cores * threads * sockets; } } else { if (cores == 0) { threads = threads > 0 ? threads : 1; cores = cpus / (sockets * threads); } else { threads = cpus / (cores * sockets); } } max_cpus = qemu_opt_get_number(opts, "maxcpus", 0); smp_cpus = cpus; smp_cores = cores > 0 ? cores : 1; smp_threads = threads > 0 ? threads : 1; } if (max_cpus == 0) { max_cpus = smp_cpus; } if (max_cpus > MAX_CPUMASK_BITS) { fprintf(stderr, "Unsupported number of maxcpus\n"); exit(1); } if (max_cpus < smp_cpus) { fprintf(stderr, "maxcpus must be equal to or greater than smp\n"); exit(1); } } static void configure_realtime(QemuOpts *opts) { bool enable_mlock; enable_mlock = qemu_opt_get_bool(opts, "mlock", true); if (enable_mlock) { if (os_mlock() < 0) { fprintf(stderr, "qemu: locking memory failed\n"); exit(1); } } } static void configure_msg(QemuOpts *opts) { enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true); } /***********************************************************/ /* USB devices */ static int usb_device_add(const char *devname) { USBDevice *dev = NULL; #ifndef CONFIG_LINUX const char *p; #endif if (!usb_enabled(false)) { return -1; } /* drivers with .usbdevice_name entry in USBDeviceInfo */ dev = usbdevice_create(devname); if (dev) goto done; /* the other ones */ #ifndef CONFIG_LINUX /* only the linux version is qdev-ified, usb-bsd still needs this */ if (strstart(devname, "host:", &p)) { dev = usb_host_device_open(usb_bus_find(-1), p); } #endif if (!dev) return -1; done: return 0; } static int usb_device_del(const char *devname) { int bus_num, addr; const char *p; if (strstart(devname, "host:", &p)) { return -1; } if (!usb_enabled(false)) { return -1; } p = strchr(devname, '.'); if (!p) return -1; bus_num = strtoul(devname, NULL, 0); addr = strtoul(p + 1, NULL, 0); return usb_device_delete_addr(bus_num, addr); } static int usb_parse(const char *cmdline) { int r; r = usb_device_add(cmdline); if (r < 0) { fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); } return r; } void do_usb_add(Monitor *mon, const QDict *qdict) { const char *devname = qdict_get_str(qdict, "devname"); if (usb_device_add(devname) < 0) { error_report("could not add USB device '%s'", devname); } } void do_usb_del(Monitor *mon, const QDict *qdict) { const char *devname = qdict_get_str(qdict, "devname"); if (usb_device_del(devname) < 0) { error_report("could not delete USB device '%s'", devname); } } /***********************************************************/ /* PCMCIA/Cardbus */ static struct pcmcia_socket_entry_s { PCMCIASocket *socket; struct pcmcia_socket_entry_s *next; } *pcmcia_sockets = 0; void pcmcia_socket_register(PCMCIASocket *socket) { struct pcmcia_socket_entry_s *entry; entry = g_malloc(sizeof(struct pcmcia_socket_entry_s)); entry->socket = socket; entry->next = pcmcia_sockets; pcmcia_sockets = entry; } void pcmcia_socket_unregister(PCMCIASocket *socket) { struct pcmcia_socket_entry_s *entry, **ptr; ptr = &pcmcia_sockets; for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) if (entry->socket == socket) { *ptr = entry->next; g_free(entry); } } void pcmcia_info(Monitor *mon, const QDict *qdict) { struct pcmcia_socket_entry_s *iter; if (!pcmcia_sockets) monitor_printf(mon, "No PCMCIA sockets\n"); for (iter = pcmcia_sockets; iter; iter = iter->next) monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, iter->socket->attached ? iter->socket->card_string : "Empty"); } /***********************************************************/ /* machine registration */ MachineState *current_machine; static void machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); QEMUMachine *qm = data; mc->name = qm->name; mc->alias = qm->alias; mc->desc = qm->desc; mc->init = qm->init; mc->reset = qm->reset; mc->hot_add_cpu = qm->hot_add_cpu; mc->kvm_type = qm->kvm_type; mc->block_default_type = qm->block_default_type; mc->max_cpus = qm->max_cpus; mc->no_serial = qm->no_serial; mc->no_parallel = qm->no_parallel; mc->use_virtcon = qm->use_virtcon; mc->use_sclp = qm->use_sclp; mc->no_floppy = qm->no_floppy; mc->no_cdrom = qm->no_cdrom; mc->no_sdcard = qm->no_sdcard; mc->is_default = qm->is_default; mc->default_machine_opts = qm->default_machine_opts; mc->default_boot_order = qm->default_boot_order; mc->compat_props = qm->compat_props; mc->hw_version = qm->hw_version; } int qemu_register_machine(QEMUMachine *m) { char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL); TypeInfo ti = { .name = name, .parent = TYPE_MACHINE, .class_init = machine_class_init, .class_data = (void *)m, }; type_register(&ti); g_free(name); return 0; } static MachineClass *find_machine(const char *name) { GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); MachineClass *mc = NULL; for (el = machines; el; el = el->next) { MachineClass *temp = el->data; if (!strcmp(temp->name, name)) { mc = temp; break; } if (temp->alias && !strcmp(temp->alias, name)) { mc = temp; break; } } g_slist_free(machines); return mc; } MachineClass *find_default_machine(void) { GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); MachineClass *mc = NULL; for (el = machines; el; el = el->next) { MachineClass *temp = el->data; if (temp->is_default) { mc = temp; break; } } g_slist_free(machines); return mc; } MachineInfoList *qmp_query_machines(Error **errp) { GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); MachineInfoList *mach_list = NULL; for (el = machines; el; el = el->next) { MachineClass *mc = el->data; MachineInfoList *entry; MachineInfo *info; info = g_malloc0(sizeof(*info)); if (mc->is_default) { info->has_is_default = true; info->is_default = true; } if (mc->alias) { info->has_alias = true; info->alias = g_strdup(mc->alias); } info->name = g_strdup(mc->name); info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus; entry = g_malloc0(sizeof(*entry)); entry->value = info; entry->next = mach_list; mach_list = entry; } g_slist_free(machines); return mach_list; } /***********************************************************/ /* main execution loop */ struct vm_change_state_entry { VMChangeStateHandler *cb; void *opaque; QLIST_ENTRY (vm_change_state_entry) entries; }; static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, void *opaque) { VMChangeStateEntry *e; e = g_malloc0(sizeof (*e)); e->cb = cb; e->opaque = opaque; QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); return e; } void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) { QLIST_REMOVE (e, entries); g_free (e); } void vm_state_notify(int running, RunState state) { VMChangeStateEntry *e; trace_vm_state_notify(running, state); for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { e->cb(e->opaque, running, state); } } void vm_start(void) { if (!runstate_is_running()) { cpu_enable_ticks(); runstate_set(RUN_STATE_RUNNING); vm_state_notify(1, RUN_STATE_RUNNING); resume_all_vcpus(); monitor_protocol_event(QEVENT_RESUME, NULL); } } /* reset/shutdown handler */ typedef struct QEMUResetEntry { QTAILQ_ENTRY(QEMUResetEntry) entry; QEMUResetHandler *func; void *opaque; } QEMUResetEntry; static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = QTAILQ_HEAD_INITIALIZER(reset_handlers); static int reset_requested; static int shutdown_requested, shutdown_signal = -1; static pid_t shutdown_pid; static int powerdown_requested; static int debug_requested; static int suspend_requested; static WakeupReason wakeup_reason; static NotifierList powerdown_notifiers = NOTIFIER_LIST_INITIALIZER(powerdown_notifiers); static NotifierList suspend_notifiers = NOTIFIER_LIST_INITIALIZER(suspend_notifiers); static NotifierList wakeup_notifiers = NOTIFIER_LIST_INITIALIZER(wakeup_notifiers); static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); static RunState vmstop_requested = RUN_STATE_MAX; int qemu_shutdown_requested_get(void) { return shutdown_requested; } int qemu_reset_requested_get(void) { return reset_requested; } static int qemu_shutdown_requested(void) { int r = shutdown_requested; shutdown_requested = 0; return r; } static void qemu_kill_report(void) { if (!qtest_driver() && shutdown_signal != -1) { fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal); if (shutdown_pid == 0) { /* This happens for eg ^C at the terminal, so it's worth * avoiding printing an odd message in that case. */ fputc('\n', stderr); } else { fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid); } shutdown_signal = -1; } } static int qemu_reset_requested(void) { int r = reset_requested; reset_requested = 0; return r; } static int qemu_suspend_requested(void) { int r = suspend_requested; suspend_requested = 0; return r; } static WakeupReason qemu_wakeup_requested(void) { return wakeup_reason; } static int qemu_powerdown_requested(void) { int r = powerdown_requested; powerdown_requested = 0; return r; } static int qemu_debug_requested(void) { int r = debug_requested; debug_requested = 0; return r; } /* We use RUN_STATE_MAX but any invalid value will do */ static bool qemu_vmstop_requested(RunState *r) { if (vmstop_requested < RUN_STATE_MAX) { *r = vmstop_requested; vmstop_requested = RUN_STATE_MAX; return true; } return false; } void qemu_register_reset(QEMUResetHandler *func, void *opaque) { QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry)); re->func = func; re->opaque = opaque; QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); } void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) { QEMUResetEntry *re; QTAILQ_FOREACH(re, &reset_handlers, entry) { if (re->func == func && re->opaque == opaque) { QTAILQ_REMOVE(&reset_handlers, re, entry); g_free(re); return; } } } void qemu_devices_reset(void) { QEMUResetEntry *re, *nre; /* reset all devices */ QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { re->func(re->opaque); } } void qemu_system_reset(bool report) { MachineClass *mc; mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; if (mc && mc->reset) { mc->reset(); } else { qemu_devices_reset(); } if (report) { monitor_protocol_event(QEVENT_RESET, NULL); } cpu_synchronize_all_post_reset(); } void qemu_system_reset_request(void) { if (no_reboot) { shutdown_requested = 1; } else { reset_requested = 1; } cpu_stop_current(); qemu_notify_event(); } static void qemu_system_suspend(void) { pause_all_vcpus(); notifier_list_notify(&suspend_notifiers, NULL); runstate_set(RUN_STATE_SUSPENDED); monitor_protocol_event(QEVENT_SUSPEND, NULL); } void qemu_system_suspend_request(void) { if (runstate_check(RUN_STATE_SUSPENDED)) { return; } suspend_requested = 1; cpu_stop_current(); qemu_notify_event(); } void qemu_register_suspend_notifier(Notifier *notifier) { notifier_list_add(&suspend_notifiers, notifier); } void qemu_system_wakeup_request(WakeupReason reason) { trace_system_wakeup_request(reason); if (!runstate_check(RUN_STATE_SUSPENDED)) { return; } if (!(wakeup_reason_mask & (1 << reason))) { return; } runstate_set(RUN_STATE_RUNNING); wakeup_reason = reason; qemu_notify_event(); } void qemu_system_wakeup_enable(WakeupReason reason, bool enabled) { if (enabled) { wakeup_reason_mask |= (1 << reason); } else { wakeup_reason_mask &= ~(1 << reason); } } void qemu_register_wakeup_notifier(Notifier *notifier) { notifier_list_add(&wakeup_notifiers, notifier); } void qemu_system_killed(int signal, pid_t pid) { shutdown_signal = signal; shutdown_pid = pid; no_shutdown = 0; qemu_system_shutdown_request(); } void qemu_system_shutdown_request(void) { shutdown_requested = 1; qemu_notify_event(); } static void qemu_system_powerdown(void) { monitor_protocol_event(QEVENT_POWERDOWN, NULL); notifier_list_notify(&powerdown_notifiers, NULL); } void qemu_system_powerdown_request(void) { powerdown_requested = 1; qemu_notify_event(); } void qemu_register_powerdown_notifier(Notifier *notifier) { notifier_list_add(&powerdown_notifiers, notifier); } void qemu_system_debug_request(void) { debug_requested = 1; qemu_notify_event(); } void qemu_system_vmstop_request(RunState state) { vmstop_requested = state; qemu_notify_event(); } static bool main_loop_should_exit(void) { RunState r; if (qemu_debug_requested()) { vm_stop(RUN_STATE_DEBUG); } if (qemu_suspend_requested()) { qemu_system_suspend(); } if (qemu_shutdown_requested()) { qemu_kill_report(); monitor_protocol_event(QEVENT_SHUTDOWN, NULL); if (no_shutdown) { vm_stop(RUN_STATE_SHUTDOWN); } else { return true; } } if (qemu_reset_requested()) { pause_all_vcpus(); cpu_synchronize_all_states(); qemu_system_reset(VMRESET_REPORT); resume_all_vcpus(); if (runstate_needs_reset()) { runstate_set(RUN_STATE_PAUSED); } } if (qemu_wakeup_requested()) { pause_all_vcpus(); cpu_synchronize_all_states(); qemu_system_reset(VMRESET_SILENT); notifier_list_notify(&wakeup_notifiers, &wakeup_reason); wakeup_reason = QEMU_WAKEUP_REASON_NONE; resume_all_vcpus(); monitor_protocol_event(QEVENT_WAKEUP, NULL); } if (qemu_powerdown_requested()) { qemu_system_powerdown(); } if (qemu_vmstop_requested(&r)) { vm_stop(r); } return false; } static void main_loop(void) { bool nonblocking; int last_io = 0; #ifdef CONFIG_PROFILER int64_t ti; #endif do { nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0; #ifdef CONFIG_PROFILER ti = profile_getclock(); #endif last_io = main_loop_wait(nonblocking); #ifdef CONFIG_PROFILER dev_time += profile_getclock() - ti; #endif } while (!main_loop_should_exit()); } static void version(void) { printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); } static void help(int exitcode) { version(); printf("usage: %s [options] [disk_image]\n\n" "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n", error_get_progname()); #define QEMU_OPTIONS_GENERATE_HELP #include "qemu-options-wrapper.h" printf("\nDuring emulation, the following keys are useful:\n" "ctrl-alt-f toggle full screen\n" "ctrl-alt-n switch to virtual console 'n'\n" "ctrl-alt toggle mouse and keyboard grab\n" "\n" "When using -nographic, press 'ctrl-a h' to get some help.\n"); exit(exitcode); } #define HAS_ARG 0x0001 typedef struct QEMUOption { const char *name; int flags; int index; uint32_t arch_mask; } QEMUOption; static const QEMUOption qemu_options[] = { { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, #define QEMU_OPTIONS_GENERATE_OPTIONS #include "qemu-options-wrapper.h" { NULL }, }; static bool vga_available(void) { return object_class_by_name("VGA") || object_class_by_name("isa-vga"); } static bool cirrus_vga_available(void) { return object_class_by_name("cirrus-vga") || object_class_by_name("isa-cirrus-vga"); } static bool vmware_vga_available(void) { return object_class_by_name("vmware-svga"); } static bool qxl_vga_available(void) { return object_class_by_name("qxl-vga"); } static bool tcx_vga_available(void) { return object_class_by_name("SUNW,tcx"); } static bool cg3_vga_available(void) { return object_class_by_name("cgthree"); } static void select_vgahw (const char *p) { const char *opts; assert(vga_interface_type == VGA_NONE); if (strstart(p, "std", &opts)) { if (vga_available()) { vga_interface_type = VGA_STD; } else { fprintf(stderr, "Error: standard VGA not available\n"); exit(0); } } else if (strstart(p, "cirrus", &opts)) { if (cirrus_vga_available()) { vga_interface_type = VGA_CIRRUS; } else { fprintf(stderr, "Error: Cirrus VGA not available\n"); exit(0); } } else if (strstart(p, "vmware", &opts)) { if (vmware_vga_available()) { vga_interface_type = VGA_VMWARE; } else { fprintf(stderr, "Error: VMWare SVGA not available\n"); exit(0); } } else if (strstart(p, "xenfb", &opts)) { vga_interface_type = VGA_XENFB; } else if (strstart(p, "qxl", &opts)) { if (qxl_vga_available()) { vga_interface_type = VGA_QXL; } else { fprintf(stderr, "Error: QXL VGA not available\n"); exit(0); } } else if (strstart(p, "tcx", &opts)) { if (tcx_vga_available()) { vga_interface_type = VGA_TCX; } else { fprintf(stderr, "Error: TCX framebuffer not available\n"); exit(0); } } else if (strstart(p, "cg3", &opts)) { if (cg3_vga_available()) { vga_interface_type = VGA_CG3; } else { fprintf(stderr, "Error: CG3 framebuffer not available\n"); exit(0); } } else if (!strstart(p, "none", &opts)) { invalid_vga: fprintf(stderr, "Unknown vga type: %s\n", p); exit(1); } while (*opts) { const char *nextopt; if (strstart(opts, ",retrace=", &nextopt)) { opts = nextopt; if (strstart(opts, "dumb", &nextopt)) vga_retrace_method = VGA_RETRACE_DUMB; else if (strstart(opts, "precise", &nextopt)) vga_retrace_method = VGA_RETRACE_PRECISE; else goto invalid_vga; } else goto invalid_vga; opts = nextopt; } } static DisplayType select_display(const char *p) { const char *opts; DisplayType display = DT_DEFAULT; if (strstart(p, "sdl", &opts)) { #ifdef CONFIG_SDL display = DT_SDL; while (*opts) { const char *nextopt; if (strstart(opts, ",frame=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { no_frame = 0; } else if (strstart(opts, "off", &nextopt)) { no_frame = 1; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",alt_grab=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { alt_grab = 1; } else if (strstart(opts, "off", &nextopt)) { alt_grab = 0; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",ctrl_grab=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { ctrl_grab = 1; } else if (strstart(opts, "off", &nextopt)) { ctrl_grab = 0; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",window_close=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { no_quit = 0; } else if (strstart(opts, "off", &nextopt)) { no_quit = 1; } else { goto invalid_sdl_args; } } else { invalid_sdl_args: fprintf(stderr, "Invalid SDL option string: %s\n", p); exit(1); } opts = nextopt; } #else fprintf(stderr, "SDL support is disabled\n"); exit(1); #endif } else if (strstart(p, "vnc", &opts)) { #ifdef CONFIG_VNC display_remote++; if (*opts) { const char *nextopt; if (strstart(opts, "=", &nextopt)) { vnc_display = nextopt; } } if (!vnc_display) { fprintf(stderr, "VNC requires a display argument vnc=\n"); exit(1); } #else fprintf(stderr, "VNC support is disabled\n"); exit(1); #endif } else if (strstart(p, "curses", &opts)) { #ifdef CONFIG_CURSES display = DT_CURSES; #else fprintf(stderr, "Curses support is disabled\n"); exit(1); #endif } else if (strstart(p, "gtk", &opts)) { #ifdef CONFIG_GTK display = DT_GTK; while (*opts) { const char *nextopt; if (strstart(opts, ",grab_on_hover=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { grab_on_hover = true; } else if (strstart(opts, "off", &nextopt)) { grab_on_hover = false; } else { goto invalid_gtk_args; } } else { invalid_gtk_args: fprintf(stderr, "Invalid GTK option string: %s\n", p); exit(1); } opts = nextopt; } #else fprintf(stderr, "GTK support is disabled\n"); exit(1); #endif } else if (strstart(p, "none", &opts)) { display = DT_NONE; } else { fprintf(stderr, "Unknown display type: %s\n", p); exit(1); } return display; } static int balloon_parse(const char *arg) { QemuOpts *opts; if (strcmp(arg, "none") == 0) { return 0; } if (!strncmp(arg, "virtio", 6)) { if (arg[6] == ',') { /* have params -> parse them */ opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0); if (!opts) return -1; } else { /* create empty opts */ opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, &error_abort); } qemu_opt_set(opts, "driver", "virtio-balloon"); return 0; } return -1; } char *qemu_find_file(int type, const char *name) { int i; const char *subdir; char *buf; /* Try the name as a straight path first */ if (access(name, R_OK) == 0) { trace_load_file(name, name); return g_strdup(name); } switch (type) { case QEMU_FILE_TYPE_BIOS: subdir = ""; break; case QEMU_FILE_TYPE_KEYMAP: subdir = "keymaps/"; break; default: abort(); } for (i = 0; i < data_dir_idx; i++) { buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name); if (access(buf, R_OK) == 0) { trace_load_file(name, buf); return buf; } g_free(buf); } return NULL; } static int device_help_func(QemuOpts *opts, void *opaque) { return qdev_device_help(opts); } static int device_init_func(QemuOpts *opts, void *opaque) { DeviceState *dev; dev = qdev_device_add(opts); if (!dev) return -1; object_unref(OBJECT(dev)); return 0; } static int chardev_init_func(QemuOpts *opts, void *opaque) { Error *local_err = NULL; qemu_chr_new_from_opts(opts, NULL, &local_err); if (local_err) { error_report("%s", error_get_pretty(local_err)); error_free(local_err); return -1; } return 0; } #ifdef CONFIG_VIRTFS static int fsdev_init_func(QemuOpts *opts, void *opaque) { int ret; ret = qemu_fsdev_add(opts); return ret; } #endif static int mon_init_func(QemuOpts *opts, void *opaque) { CharDriverState *chr; const char *chardev; const char *mode; int flags; mode = qemu_opt_get(opts, "mode"); if (mode == NULL) { mode = "readline"; } if (strcmp(mode, "readline") == 0) { flags = MONITOR_USE_READLINE; } else if (strcmp(mode, "control") == 0) { flags = MONITOR_USE_CONTROL; } else { fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); exit(1); } if (qemu_opt_get_bool(opts, "pretty", 0)) flags |= MONITOR_USE_PRETTY; if (qemu_opt_get_bool(opts, "default", 0)) flags |= MONITOR_IS_DEFAULT; chardev = qemu_opt_get(opts, "chardev"); chr = qemu_chr_find(chardev); if (chr == NULL) { fprintf(stderr, "chardev \"%s\" not found\n", chardev); exit(1); } qemu_chr_fe_claim_no_fail(chr); monitor_init(chr, flags); return 0; } static void monitor_parse(const char *optarg, const char *mode) { static int monitor_device_index = 0; QemuOpts *opts; const char *p; char label[32]; int def = 0; if (strstart(optarg, "chardev:", &p)) { snprintf(label, sizeof(label), "%s", p); } else { snprintf(label, sizeof(label), "compat_monitor%d", monitor_device_index); if (monitor_device_index == 0) { def = 1; } opts = qemu_chr_parse_compat(label, optarg); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } } opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL); if (!opts) { fprintf(stderr, "duplicate chardev: %s\n", label); exit(1); } qemu_opt_set(opts, "mode", mode); qemu_opt_set(opts, "chardev", label); if (def) qemu_opt_set(opts, "default", "on"); monitor_device_index++; } struct device_config { enum { DEV_USB, /* -usbdevice */ DEV_BT, /* -bt */ DEV_SERIAL, /* -serial */ DEV_PARALLEL, /* -parallel */ DEV_VIRTCON, /* -virtioconsole */ DEV_DEBUGCON, /* -debugcon */ DEV_GDB, /* -gdb, -s */ DEV_SCLP, /* s390 sclp */ } type; const char *cmdline; Location loc; QTAILQ_ENTRY(device_config) next; }; static QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); static void add_device_config(int type, const char *cmdline) { struct device_config *conf; conf = g_malloc0(sizeof(*conf)); conf->type = type; conf->cmdline = cmdline; loc_save(&conf->loc); QTAILQ_INSERT_TAIL(&device_configs, conf, next); } static int foreach_device_config(int type, int (*func)(const char *cmdline)) { struct device_config *conf; int rc; QTAILQ_FOREACH(conf, &device_configs, next) { if (conf->type != type) continue; loc_push_restore(&conf->loc); rc = func(conf->cmdline); loc_pop(&conf->loc); if (0 != rc) return rc; } return 0; } static int serial_parse(const char *devname) { static int index = 0; char label[32]; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_SERIAL_PORTS) { fprintf(stderr, "qemu: too many serial ports\n"); exit(1); } snprintf(label, sizeof(label), "serial%d", index); serial_hds[index] = qemu_chr_new(label, devname, NULL); if (!serial_hds[index]) { fprintf(stderr, "qemu: could not connect serial device" " to character backend '%s'\n", devname); return -1; } index++; return 0; } static int parallel_parse(const char *devname) { static int index = 0; char label[32]; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_PARALLEL_PORTS) { fprintf(stderr, "qemu: too many parallel ports\n"); exit(1); } snprintf(label, sizeof(label), "parallel%d", index); parallel_hds[index] = qemu_chr_new(label, devname, NULL); if (!parallel_hds[index]) { fprintf(stderr, "qemu: could not connect parallel device" " to character backend '%s'\n", devname); return -1; } index++; return 0; } static int virtcon_parse(const char *devname) { QemuOptsList *device = qemu_find_opts("device"); static int index = 0; char label[32]; QemuOpts *bus_opts, *dev_opts; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_VIRTIO_CONSOLES) { fprintf(stderr, "qemu: too many virtio consoles\n"); exit(1); } bus_opts = qemu_opts_create(device, NULL, 0, &error_abort); if (arch_type == QEMU_ARCH_S390X) { qemu_opt_set(bus_opts, "driver", "virtio-serial-s390"); } else { qemu_opt_set(bus_opts, "driver", "virtio-serial-pci"); } dev_opts = qemu_opts_create(device, NULL, 0, &error_abort); qemu_opt_set(dev_opts, "driver", "virtconsole"); snprintf(label, sizeof(label), "virtcon%d", index); virtcon_hds[index] = qemu_chr_new(label, devname, NULL); if (!virtcon_hds[index]) { fprintf(stderr, "qemu: could not connect virtio console" " to character backend '%s'\n", devname); return -1; } qemu_opt_set(dev_opts, "chardev", label); index++; return 0; } static int sclp_parse(const char *devname) { QemuOptsList *device = qemu_find_opts("device"); static int index = 0; char label[32]; QemuOpts *dev_opts; if (strcmp(devname, "none") == 0) { return 0; } if (index == MAX_SCLP_CONSOLES) { fprintf(stderr, "qemu: too many sclp consoles\n"); exit(1); } assert(arch_type == QEMU_ARCH_S390X); dev_opts = qemu_opts_create(device, NULL, 0, NULL); qemu_opt_set(dev_opts, "driver", "sclpconsole"); snprintf(label, sizeof(label), "sclpcon%d", index); sclp_hds[index] = qemu_chr_new(label, devname, NULL); if (!sclp_hds[index]) { fprintf(stderr, "qemu: could not connect sclp console" " to character backend '%s'\n", devname); return -1; } qemu_opt_set(dev_opts, "chardev", label); index++; return 0; } static int debugcon_parse(const char *devname) { QemuOpts *opts; if (!qemu_chr_new("debugcon", devname, NULL)) { exit(1); } opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL); if (!opts) { fprintf(stderr, "qemu: already have a debugcon device\n"); exit(1); } qemu_opt_set(opts, "driver", "isa-debugcon"); qemu_opt_set(opts, "chardev", "debugcon"); return 0; } static MachineClass *machine_parse(const char *name) { MachineClass *mc = NULL; GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); if (name) { mc = find_machine(name); } if (mc) { return mc; } if (name && !is_help_option(name)) { error_report("Unsupported machine type"); error_printf("Use -machine help to list supported machines!\n"); } else { printf("Supported machines are:\n"); for (el = machines; el; el = el->next) { MachineClass *mc = el->data; if (mc->alias) { printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); } printf("%-20s %s%s\n", mc->name, mc->desc, mc->is_default ? " (default)" : ""); } } g_slist_free(machines); exit(!name || !is_help_option(name)); } static int tcg_init(MachineClass *mc) { tcg_exec_init(tcg_tb_size * 1024 * 1024); return 0; } static struct { const char *opt_name; const char *name; int (*available)(void); int (*init)(MachineClass *mc); bool *allowed; } accel_list[] = { { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed }, { "xen", "Xen", xen_available, xen_init, &xen_allowed }, { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed }, { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed }, }; static int configure_accelerator(MachineClass *mc) { const char *p; char buf[10]; int i, ret; bool accel_initialised = false; bool init_failed = false; p = qemu_opt_get(qemu_get_machine_opts(), "accel"); if (p == NULL) { /* Use the default "accelerator", tcg */ p = "tcg"; } while (!accel_initialised && *p != '\0') { if (*p == ':') { p++; } p = get_opt_name(buf, sizeof (buf), p, ':'); for (i = 0; i < ARRAY_SIZE(accel_list); i++) { if (strcmp(accel_list[i].opt_name, buf) == 0) { if (!accel_list[i].available()) { printf("%s not supported for this target\n", accel_list[i].name); break; } *(accel_list[i].allowed) = true; ret = accel_list[i].init(mc); if (ret < 0) { init_failed = true; fprintf(stderr, "failed to initialize %s: %s\n", accel_list[i].name, strerror(-ret)); *(accel_list[i].allowed) = false; } else { accel_initialised = true; } break; } } if (i == ARRAY_SIZE(accel_list)) { fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf); } } if (!accel_initialised) { if (!init_failed) { fprintf(stderr, "No accelerator found!\n"); } exit(1); } if (init_failed) { fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name); } return !accel_initialised; } void qemu_add_exit_notifier(Notifier *notify) { notifier_list_add(&exit_notifiers, notify); } void qemu_remove_exit_notifier(Notifier *notify) { notifier_remove(notify); } static void qemu_run_exit_notifiers(void) { notifier_list_notify(&exit_notifiers, NULL); } void qemu_add_machine_init_done_notifier(Notifier *notify) { notifier_list_add(&machine_init_done_notifiers, notify); } static void qemu_run_machine_init_done_notifiers(void) { notifier_list_notify(&machine_init_done_notifiers, NULL); } static const QEMUOption *lookup_opt(int argc, char **argv, const char **poptarg, int *poptind) { const QEMUOption *popt; int optind = *poptind; char *r = argv[optind]; const char *optarg; loc_set_cmdline(argv, optind, 1); optind++; /* Treat --foo the same as -foo. */ if (r[1] == '-') r++; popt = qemu_options; for(;;) { if (!popt->name) { error_report("invalid option"); exit(1); } if (!strcmp(popt->name, r + 1)) break; popt++; } if (popt->flags & HAS_ARG) { if (optind >= argc) { error_report("requires an argument"); exit(1); } optarg = argv[optind++]; loc_set_cmdline(argv, optind - 2, 2); } else { optarg = NULL; } *poptarg = optarg; *poptind = optind; return popt; } static gpointer malloc_and_trace(gsize n_bytes) { void *ptr = malloc(n_bytes); trace_g_malloc(n_bytes, ptr); return ptr; } static gpointer realloc_and_trace(gpointer mem, gsize n_bytes) { void *ptr = realloc(mem, n_bytes); trace_g_realloc(mem, n_bytes, ptr); return ptr; } static void free_and_trace(gpointer mem) { trace_g_free(mem); free(mem); } static int object_set_property(const char *name, const char *value, void *opaque) { Object *obj = OBJECT(opaque); StringInputVisitor *siv; Error *local_err = NULL; if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) { return 0; } siv = string_input_visitor_new(value); object_property_set(obj, string_input_get_visitor(siv), name, &local_err); string_input_visitor_cleanup(siv); if (local_err) { qerror_report_err(local_err); error_free(local_err); return -1; } return 0; } static int object_create(QemuOpts *opts, void *opaque) { const char *type = qemu_opt_get(opts, "qom-type"); const char *id = qemu_opts_id(opts); Error *local_err = NULL; Object *obj; g_assert(type != NULL); if (id == NULL) { qerror_report(QERR_MISSING_PARAMETER, "id"); return -1; } obj = object_new(type); if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) { object_unref(obj); return -1; } if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) { error_setg(&local_err, "object '%s' isn't supported by -object", id); goto out; } user_creatable_complete(obj, &local_err); if (local_err) { goto out; } object_property_add_child(container_get(object_get_root(), "/objects"), id, obj, &local_err); out: object_unref(obj); if (local_err) { qerror_report_err(local_err); error_free(local_err); return -1; } return 0; } int main(int argc, char **argv, char **envp) { int i; int snapshot, linux_boot; const char *icount_option = NULL; const char *initrd_filename; const char *kernel_filename, *kernel_cmdline; const char *boot_order; DisplayState *ds; int cyls, heads, secs, translation; QemuOpts *hda_opts = NULL, *opts, *machine_opts; QemuOptsList *olist; int optind; const char *optarg; const char *loadvm = NULL; MachineClass *machine_class; const char *cpu_model; const char *vga_model = NULL; const char *qtest_chrdev = NULL; const char *qtest_log = NULL; const char *pid_file = NULL; const char *incoming = NULL; #ifdef CONFIG_VNC int show_vnc_port = 0; #endif bool defconfig = true; bool userconfig = true; 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; const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE * 1024 * 1024; atexit(qemu_run_exit_notifiers); error_set_progname(argv[0]); qemu_init_exec_dir(argv[0]); g_mem_set_vtable(&mem_trace); module_call_init(MODULE_INIT_QOM); qemu_add_opts(&qemu_drive_opts); qemu_add_drive_opts(&qemu_legacy_drive_opts); qemu_add_drive_opts(&qemu_common_drive_opts); qemu_add_drive_opts(&qemu_drive_opts); qemu_add_opts(&qemu_chardev_opts); qemu_add_opts(&qemu_device_opts); qemu_add_opts(&qemu_netdev_opts); qemu_add_opts(&qemu_net_opts); qemu_add_opts(&qemu_rtc_opts); qemu_add_opts(&qemu_global_opts); qemu_add_opts(&qemu_mon_opts); qemu_add_opts(&qemu_trace_opts); qemu_add_opts(&qemu_option_rom_opts); qemu_add_opts(&qemu_machine_opts); qemu_add_opts(&qemu_mem_opts); qemu_add_opts(&qemu_smp_opts); qemu_add_opts(&qemu_boot_opts); qemu_add_opts(&qemu_sandbox_opts); qemu_add_opts(&qemu_add_fd_opts); qemu_add_opts(&qemu_object_opts); qemu_add_opts(&qemu_tpmdev_opts); qemu_add_opts(&qemu_realtime_opts); qemu_add_opts(&qemu_msg_opts); qemu_add_opts(&qemu_name_opts); runstate_init(); rtc_clock = QEMU_CLOCK_HOST; qemu_init_auxval(envp); qemu_cache_utils_init(); QLIST_INIT (&vm_change_state_head); os_setup_early_signal_handling(); module_call_init(MODULE_INIT_MACHINE); machine_class = find_default_machine(); cpu_model = NULL; ram_size = default_ram_size; snapshot = 0; cyls = heads = secs = 0; translation = BIOS_ATA_TRANSLATION_AUTO; for (i = 0; i < MAX_NODES; i++) { node_mem[i] = 0; node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS); } nb_numa_nodes = 0; nb_nics = 0; bdrv_init_with_whitelist(); autostart = 1; /* first pass of option parsing */ optind = 1; while (optind < argc) { if (argv[optind][0] != '-') { /* disk image */ optind++; } else { const QEMUOption *popt; popt = lookup_opt(argc, argv, &optarg, &optind); switch (popt->index) { case QEMU_OPTION_nodefconfig: defconfig = false; break; case QEMU_OPTION_nouserconfig: userconfig = false; break; } } } if (defconfig) { int ret; ret = qemu_read_default_config_files(userconfig); if (ret < 0) { exit(1); } } /* 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_class = machine_parse(optarg); break; case QEMU_OPTION_no_kvm_irqchip: { olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "kernel_irqchip=off", 0); break; } case QEMU_OPTION_cpu: /* hw initialization will check this */ cpu_model = 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, -1, 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, "large")) { translation = BIOS_ATA_TRANSLATION_LARGE; } else if (!strcmp(p, "rechs")) { translation = BIOS_ATA_TRANSLATION_RECHS; } else 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_LARGE) { qemu_opt_set(hda_opts, "trans", "large"); } else if (translation == BIOS_ATA_TRANSLATION_RECHS) { qemu_opt_set(hda_opts, "trans", "rechs"); } else if (translation == BIOS_ATA_TRANSLATION_LBA) { qemu_opt_set(hda_opts, "trans", "lba"); } else if (translation == BIOS_ATA_TRANSLATION_NONE) { qemu_opt_set(hda_opts, "trans", "none"); } } } break; case QEMU_OPTION_numa: 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: qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg); break; case QEMU_OPTION_initrd: qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg); break; case QEMU_OPTION_append: qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg); break; case QEMU_OPTION_dtb: qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg); break; case QEMU_OPTION_cdrom: drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); break; case QEMU_OPTION_boot: opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1); if (!opts) { exit(1); } 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_LIBISCSI case QEMU_OPTION_iscsi: opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0); if (!opts) { exit(1); } break; #endif #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: AUD_help (); exit (0); break; case QEMU_OPTION_soundhw: select_soundhw (optarg); break; case QEMU_OPTION_h: help(0); break; case QEMU_OPTION_version: version(); exit(0); break; case QEMU_OPTION_m: { uint64_t sz; const char *mem_str; opts = qemu_opts_parse(qemu_find_opts("memory"), optarg, 1); if (!opts) { exit(EXIT_FAILURE); } mem_str = qemu_opt_get(opts, "size"); if (!mem_str) { error_report("invalid -m option, missing 'size' option"); exit(EXIT_FAILURE); } if (!*mem_str) { error_report("missing 'size' option value"); exit(EXIT_FAILURE); } sz = qemu_opt_get_size(opts, "size", ram_size); /* Fix up legacy suffix-less format */ if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { uint64_t overflow_check = sz; sz <<= 20; if ((sz >> 20) != overflow_check) { error_report("too large 'size' option value"); exit(EXIT_FAILURE); } } /* backward compatibility behaviour for case "-m 0" */ if (sz == 0) { sz = default_ram_size; } sz = QEMU_ALIGN_UP(sz, 8192); ram_size = sz; if (ram_size != sz) { error_report("ram size too large"); exit(EXIT_FAILURE); } break; } #ifdef CONFIG_TPM case QEMU_OPTION_tpmdev: if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) { exit(1); } break; #endif case QEMU_OPTION_mempath: mem_path = optarg; break; case QEMU_OPTION_mem_prealloc: mem_prealloc = 1; break; case QEMU_OPTION_d: log_mask = optarg; break; case QEMU_OPTION_D: log_file = optarg; break; case QEMU_OPTION_s: add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); break; case QEMU_OPTION_gdb: add_device_config(DEV_GDB, optarg); break; case QEMU_OPTION_L: if (data_dir_idx < ARRAY_SIZE(data_dir)) { data_dir[data_dir_idx++] = optarg; } break; case QEMU_OPTION_bios: qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", 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: vga_model = optarg; default_vga = 0; 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: default_monitor = 0; if (strncmp(optarg, "none", 4)) { monitor_parse(optarg, "readline"); } 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) { exit(1); } break; case QEMU_OPTION_virtfs: { QemuOpts *fsdev; QemuOpts *device; const char *writeout, *sock_fd, *socket; 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) { exit(1); } if (qemu_opt_get(opts, "fsdriver") == NULL || qemu_opt_get(opts, "mount_tag") == NULL) { fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n"); exit(1); } fsdev = qemu_opts_create(qemu_find_opts("fsdev"), qemu_opt_get(opts, "mount_tag"), 1, NULL); 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")); socket = qemu_opt_get(opts, "socket"); if (socket) { qemu_opt_set(fsdev, "socket", socket); } sock_fd = qemu_opt_get(opts, "sock_fd"); if (sock_fd) { qemu_opt_set(fsdev, "sock_fd", sock_fd); } qemu_opt_set_bool(fsdev, "readonly", qemu_opt_get_bool(opts, "readonly", 0)); device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, &error_abort); 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, NULL); if (!fsdev) { fprintf(stderr, "duplicate option: %s\n", "virtfs_synth"); exit(1); } qemu_opt_set(fsdev, "fsdriver", "synth"); device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, &error_abort); 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; 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: #ifdef CONFIG_SDL display_type = DT_SDL; break; #else 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: { static GlobalProperty slew_lost_ticks[] = { { .driver = "mc146818rtc", .property = "lost_tick_policy", .value = "slew", }, { /* end of list */ } }; qdev_prop_register_global_list(slew_lost_ticks); break; } case QEMU_OPTION_acpitable: opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1); if (!opts) { exit(1); } do_acpitable_option(opts); break; case QEMU_OPTION_smbios: opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0); if (!opts) { exit(1); } do_smbios_option(opts); break; case QEMU_OPTION_enable_kvm: olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "accel=kvm", 0); break; case QEMU_OPTION_machine: olist = qemu_find_opts("machine"); opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { exit(1); } optarg = qemu_opt_get(opts, "type"); if (optarg) { machine_class = machine_parse(optarg); } break; case QEMU_OPTION_no_kvm: olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "accel=tcg", 0); break; case QEMU_OPTION_no_kvm_pit: { fprintf(stderr, "Warning: KVM PIT can no longer be disabled " "separately.\n"); break; } case QEMU_OPTION_no_kvm_pit_reinjection: { static GlobalProperty kvm_pit_lost_tick_policy[] = { { .driver = "kvm-pit", .property = "lost_tick_policy", .value = "discard", }, { /* end of list */ } }; fprintf(stderr, "Warning: option deprecated, use " "lost_tick_policy property of kvm-pit instead.\n"); qdev_prop_register_global_list(kvm_pit_lost_tick_policy); break; } case QEMU_OPTION_usb: olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "usb=on", 0); break; case QEMU_OPTION_usbdevice: olist = qemu_find_opts("machine"); qemu_opts_parse(olist, "usb=on", 0); 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: if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) { 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); } qemu_uuid_set = true; 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); if (!opts) { exit(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_tdf: fprintf(stderr, "Warning: user space PIT time drift fix " "is no longer supported.\n"); break; case QEMU_OPTION_name: opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1); if (!opts) { exit(1); } parse_name(opts); 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: /* Clock options no longer exist. Keep this option for * backward compatibility. */ 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; runstate_set(RUN_STATE_INMIGRATE); break; case QEMU_OPTION_nodefaults: has_defaults = 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) { exit(1); } display_remote++; 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); if (fp != stdout) { fclose(fp); } break; } case QEMU_OPTION_qtest: qtest_chrdev = optarg; break; case QEMU_OPTION_qtest_log: qtest_log = optarg; break; case QEMU_OPTION_sandbox: opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1); if (!opts) { exit(1); } break; case QEMU_OPTION_add_fd: #ifndef _WIN32 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0); if (!opts) { exit(1); } #else error_report("File descriptor passing is disabled on this " "platform"); exit(1); #endif break; case QEMU_OPTION_object: opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1); if (!opts) { exit(1); } break; case QEMU_OPTION_realtime: opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0); if (!opts) { exit(1); } configure_realtime(opts); break; case QEMU_OPTION_msg: opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0); if (!opts) { exit(1); } configure_msg(opts); break; default: os_parse_cmd_args(popt->index, optarg); } } } loc_set_none(); if (qemu_init_main_loop()) { fprintf(stderr, "qemu_init_main_loop failed\n"); exit(1); } if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) { exit(1); } #ifndef _WIN32 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) { exit(1); } if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) { exit(1); } #endif if (machine_class == NULL) { fprintf(stderr, "No machine specified, and there is no default.\n" "Use -machine help to list supported machines!\n"); exit(1); } current_machine = MACHINE(object_new(object_class_get_name( OBJECT_CLASS(machine_class)))); object_property_add_child(object_get_root(), "machine", OBJECT(current_machine), &error_abort); if (machine_class->hw_version) { qemu_set_version(machine_class->hw_version); } if (qemu_opts_foreach(qemu_find_opts("object"), object_create, NULL, 0) != 0) { exit(1); } /* Init CPU def lists, based on config * - Must be called after all the qemu_read_config_file() calls * - Must be called before list_cpus() * - Must be called before machine->init() */ cpudef_init(); if (cpu_model && is_help_option(cpu_model)) { list_cpus(stdout, &fprintf, cpu_model); exit(0); } /* 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) { int mask; if (log_file) { qemu_set_log_filename(log_file); } mask = qemu_str_to_log_mask(log_mask); if (!mask) { qemu_print_log_usage(stdout); exit(1); } qemu_set_log(mask); } if (!is_daemonized()) { 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_idx < ARRAY_SIZE(data_dir)) { data_dir[data_dir_idx] = os_find_datadir(); if (data_dir[data_dir_idx] != NULL) { data_dir_idx++; } } /* If all else fails use the install path specified when building. */ if (data_dir_idx < ARRAY_SIZE(data_dir)) { data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR; } smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL)); machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */ if (smp_cpus > machine_class->max_cpus) { fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " "supported by machine `%s' (%d)\n", smp_cpus, machine_class->name, machine_class->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_class->default_machine_opts) { qemu_opts_set_defaults(qemu_find_opts("machine"), machine_class->default_machine_opts, 0); } 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 (!vga_model && !default_vga) { vga_interface_type = VGA_DEVICE; } if (!has_defaults || machine_class->no_serial) { default_serial = 0; } if (!has_defaults || machine_class->no_parallel) { default_parallel = 0; } if (!has_defaults || !machine_class->use_virtcon) { default_virtcon = 0; } if (!has_defaults || !machine_class->use_sclp) { default_sclp = 0; } if (!has_defaults || machine_class->no_floppy) { default_floppy = 0; } if (!has_defaults || machine_class->no_cdrom) { default_cdrom = 0; } if (!has_defaults || machine_class->no_sdcard) { default_sdcard = 0; } if (!has_defaults) { default_monitor = 0; default_net = 0; default_vga = 0; } if (is_daemonized()) { /* According to documentation and historically, -nographic redirects * serial port, parallel port and monitor to stdio, which does not work * with -daemonize. We can redirect these to null instead, but since * -nographic is legacy, let's just error out. * We disallow -nographic only if all other ports are not redirected * explicitly, to not break existing legacy setups which uses * -nographic _and_ redirects all ports explicitly - this is valid * usage, -nographic is just a no-op in this case. */ if (display_type == DT_NOGRAPHIC && (default_parallel || default_serial || default_monitor || default_virtcon)) { fprintf(stderr, "-nographic can not be used with -daemonize\n"); exit(1); } #ifdef CONFIG_CURSES if (display_type == DT_CURSES) { fprintf(stderr, "curses display can not be used with -daemonize\n"); exit(1); } #endif } 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_sclp && default_monitor) { add_device_config(DEV_SCLP, "mon:stdio"); } else { if (default_serial) add_device_config(DEV_SERIAL, "stdio"); if (default_virtcon) add_device_config(DEV_VIRTCON, "stdio"); if (default_sclp) { add_device_config(DEV_SCLP, "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_sclp) { add_device_config(DEV_SCLP, "vc:80Cx24C"); } } if (display_type == DT_DEFAULT && !display_remote) { #if defined(CONFIG_GTK) display_type = DT_GTK; #elif 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 } if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) { fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid " "for SDL, ignoring option\n"); } if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) { fprintf(stderr, "-no-quit is only valid for GTK and SDL, " "ignoring option\n"); } #if defined(CONFIG_GTK) if (display_type == DT_GTK) { early_gtk_display_init(); } #endif 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); } /* store value for the future use */ qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size); if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0) { exit(0); } configure_accelerator(machine_class); if (qtest_chrdev) { Error *local_err = NULL; qtest_init(qtest_chrdev, qtest_log, &local_err); if (local_err) { error_report("%s", error_get_pretty(local_err)); error_free(local_err); exit(1); } } machine_opts = qemu_get_machine_opts(); kernel_filename = qemu_opt_get(machine_opts, "kernel"); initrd_filename = qemu_opt_get(machine_opts, "initrd"); kernel_cmdline = qemu_opt_get(machine_opts, "append"); bios_name = qemu_opt_get(machine_opts, "firmware"); boot_order = machine_class->default_boot_order; opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL); if (opts) { char *normal_boot_order; const char *order, *once; order = qemu_opt_get(opts, "order"); if (order) { validate_bootdevices(order); boot_order = order; } once = qemu_opt_get(opts, "once"); if (once) { validate_bootdevices(once); normal_boot_order = g_strdup(boot_order); boot_order = once; qemu_register_reset(restore_boot_order, normal_boot_order); } boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu); boot_strict = qemu_opt_get_bool(opts, "strict", false); } if (!kernel_cmdline) { kernel_cmdline = ""; } 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); } if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) { fprintf(stderr, "-dtb only allowed with -kernel option\n"); exit(1); } os_set_line_buffering(); qemu_init_cpu_loop(); qemu_mutex_lock_iothread(); #ifdef CONFIG_SPICE /* spice needs the timers to be initialized by this point */ qemu_spice_init(); #endif if (icount_option && (kvm_enabled() || xen_enabled())) { fprintf(stderr, "-icount is not allowed with kvm or xen\n"); exit(1); } configure_icount(icount_option); /* clean up network at qemu process termination */ atexit(&net_cleanup); if (net_init_clients() < 0) { exit(1); } #ifdef CONFIG_TPM if (tpm_init() < 0) { exit(1); } #endif /* 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(); blk_mig_init(); ram_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_class->block_default_type, 1) != 0) { exit(1); } default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2, CDROM_OPTS); default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS); default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS); 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 (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) { 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++) { set_bit(i, node_cpumask[i % nb_numa_nodes]); } } } 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_SCLP, sclp_parse) < 0) { exit(1); } if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) exit(1); /* If no default VGA is requested, the default is "none". */ if (default_vga) { if (cirrus_vga_available()) { vga_model = "cirrus"; } else if (vga_available()) { vga_model = "std"; } } if (vga_model) { select_vgahw(vga_model); } if (watchdog) { i = select_watchdog(watchdog); if (i > 0) exit (i == 1 ? 1 : 0); } if (machine_class->compat_props) { qdev_prop_register_global_list(machine_class->compat_props); } qemu_add_globals(); qdev_machine_init(); current_machine->init_args = (QEMUMachineInitArgs) { .machine = machine_class, .ram_size = ram_size, .boot_order = boot_order, .kernel_filename = kernel_filename, .kernel_cmdline = kernel_cmdline, .initrd_filename = initrd_filename, .cpu_model = cpu_model }; machine_class->init(¤t_machine->init_args); audio_init(); cpu_synchronize_all_post_init(); set_numa_modes(); /* init USB devices */ if (usb_enabled(false)) { 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(); ds = init_displaystate(); /* init local displays */ switch (display_type) { case DT_NOGRAPHIC: (void)ds; /* avoid warning if no display is configured */ 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 #if defined(CONFIG_GTK) case DT_GTK: gtk_display_init(ds, full_screen, grab_on_hover); 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) { Error *local_err = NULL; vnc_display_init(ds); vnc_display_open(ds, vnc_display, &local_err); if (local_err != NULL) { error_report("Failed to start VNC server on `%s': %s", vnc_display, error_get_pretty(local_err)); error_free(local_err); 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) { qemu_spice_display_init(); } #endif if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) { 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(); /* Done notifiers can load ROMs */ rom_load_done(); qemu_system_reset(VMRESET_SILENT); if (loadvm) { if (load_vmstate(loadvm) < 0) { autostart = 0; } } qdev_prop_check_global(); if (incoming) { Error *local_err = NULL; qemu_start_incoming_migration(incoming, &local_err); if (local_err) { error_report("-incoming %s: %s", incoming, error_get_pretty(local_err)); error_free(local_err); exit(1); } } else if (autostart) { vm_start(); } os_setup_post(); if (is_daemonized()) { if (!trace_backend_init(trace_events, trace_file)) { exit(1); } } main_loop(); bdrv_close_all(); pause_all_vcpus(); res_free(); #ifdef CONFIG_TPM tpm_cleanup(); #endif return 0; }