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Diffstat (limited to 'src/vl.c')
| -rw-r--r-- | src/vl.c | 4711 |
1 files changed, 4711 insertions, 0 deletions
diff --git a/src/vl.c b/src/vl.c new file mode 100644 index 0000000..0fe3be8 --- /dev/null +++ b/src/vl.c @@ -0,0 +1,4711 @@ +/* + * 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 <unistd.h> +#include <fcntl.h> +#include <signal.h> +#include <time.h> +#include <errno.h> +#include <sys/time.h> + +#include "config-host.h" + +#ifdef CONFIG_SECCOMP +#include "sysemu/seccomp.h" +#endif + +#if defined(CONFIG_VDE) +#include <libvdeplug.h> +#endif + +#ifdef CONFIG_SDL +#if defined(__APPLE__) || defined(main) +#include <SDL.h> +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 <glib.h> + +#include "qemu/error-report.h" +#include "qemu/sockets.h" +#include "hw/hw.h" +#include "hw/boards.h" +#include "sysemu/accel.h" +#include "hw/usb.h" +#include "hw/i386/pc.h" +#include "hw/isa/isa.h" +#include "hw/bt.h" +#include "sysemu/watchdog.h" +#include "hw/smbios/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 "sysemu/numa.h" +#include "exec/gdbstub.h" +#include "qemu/timer.h" +#include "sysemu/char.h" +#include "qemu/bitmap.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 "qapi/opts-visitor.h" +#include "qom/object_interfaces.h" +#include "qapi-event.h" +#include "exec/semihost.h" +#include "crypto/init.h" +#include "sysemu/replay.h" +#include "qapi/qmp/qerror.h" + +#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; +int request_opengl = -1; +int display_opengl; +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 */ +bool enable_mlock = false; +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; +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 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; +bool boot_strict; +uint8_t *boot_splash_filedata; +size_t boot_splash_filedata_size; +uint8_t qemu_extra_params_fw[2]; + +int icount_align_option; + +/* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the + * little-endian "wire format" described in the SMBIOS 2.6 specification. + */ +uint8_t qemu_uuid[16]; +bool qemu_uuid_set; + +static NotifierList exit_notifiers = + NOTIFIER_LIST_INITIALIZER(exit_notifiers); + +static NotifierList machine_init_done_notifiers = + NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); + +bool xen_allowed; +uint32_t xen_domid; +enum xen_mode xen_mode = XEN_EMULATE; + +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 }, + { .driver = "virtio-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 = { + /* + * no elements => accept any + * sanity checking will happen later + * when setting machine properties + */ + { } + }, +}; + +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, + }, + { + .name = "slots", + .type = QEMU_OPT_NUMBER, + }, + { + .name = "maxmem", + .type = QEMU_OPT_SIZE, + }, + { /* end of list */ } + }, +}; + +static QemuOptsList qemu_icount_opts = { + .name = "icount", + .implied_opt_name = "shift", + .merge_lists = true, + .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head), + .desc = { + { + .name = "shift", + .type = QEMU_OPT_STRING, + }, { + .name = "align", + .type = QEMU_OPT_BOOL, + }, { + .name = "sleep", + .type = QEMU_OPT_BOOL, + }, { + .name = "rr", + .type = QEMU_OPT_STRING, + }, { + .name = "rrfile", + .type = QEMU_OPT_STRING, + }, + { /* end of list */ } + }, +}; + +static QemuOptsList qemu_semihosting_config_opts = { + .name = "semihosting-config", + .implied_opt_name = "enable", + .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head), + .desc = { + { + .name = "enable", + .type = QEMU_OPT_BOOL, + }, { + .name = "target", + .type = QEMU_OPT_STRING, + }, { + .name = "arg", + .type = QEMU_OPT_STRING, + }, + { /* end of list */ } + }, +}; + +static QemuOptsList qemu_fw_cfg_opts = { + .name = "fw_cfg", + .implied_opt_name = "name", + .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), + .desc = { + { + .name = "name", + .type = QEMU_OPT_STRING, + .help = "Sets the fw_cfg name of the blob to be inserted", + }, { + .name = "file", + .type = QEMU_OPT_STRING, + .help = "Sets the name of the file from which\n" + "the fw_cfg blob will be loaded", + }, { + .name = "string", + .type = QEMU_OPT_STRING, + .help = "Sets content of the blob to be inserted from a string", + }, + { /* 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) +{ + g_free(boot_splash_filedata); + boot_splash_filedata = NULL; +} + +static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) +{ + 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; + +/* We use RUN_STATE_MAX but any invalid value will do */ +static RunState vmstop_requested = RUN_STATE_MAX; +static QemuMutex vmstop_lock; + +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_INTERNAL_ERROR }, + { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR }, + { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED }, + { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, + { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN }, + { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED }, + { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG }, + { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED }, + { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE }, + + { 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; +} + +bool runstate_store(char *str, size_t size) +{ + const char *state = RunState_lookup[current_run_state]; + size_t len = strlen(state) + 1; + + if (len > size) { + return false; + } + memcpy(str, state, len); + return true; +} + +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; + } + + qemu_mutex_init(&vmstop_lock); +} + +/* 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]) { + error_report("invalid runstate transition: '%s' -> '%s'", + 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; +} + +static bool qemu_vmstop_requested(RunState *r) +{ + qemu_mutex_lock(&vmstop_lock); + *r = vmstop_requested; + vmstop_requested = RUN_STATE_MAX; + qemu_mutex_unlock(&vmstop_lock); + return *r < RUN_STATE_MAX; +} + +void qemu_system_vmstop_request_prepare(void) +{ + qemu_mutex_lock(&vmstop_lock); +} + +void qemu_system_vmstop_request(RunState state) +{ + vmstop_requested = state; + qemu_mutex_unlock(&vmstop_lock); + qemu_notify_event(); +} + +void vm_start(void) +{ + RunState requested; + + qemu_vmstop_requested(&requested); + if (runstate_is_running() && requested == RUN_STATE_MAX) { + return; + } + + /* Ensure that a STOP/RESUME pair of events is emitted if a + * vmstop request was pending. The BLOCK_IO_ERROR event, for + * example, according to documentation is always followed by + * the STOP event. + */ + if (runstate_is_running()) { + qapi_event_send_stop(&error_abort); + } else { + cpu_enable_ticks(); + runstate_set(RUN_STATE_RUNNING); + vm_state_notify(1, RUN_STATE_RUNNING); + resume_all_vcpus(); + } + + qapi_event_send_resume(&error_abort); +} + + +/***********************************************************/ +/* real time host monotonic timer */ + +static time_t qemu_time(void) +{ + return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000; +} + +/***********************************************************/ +/* host time/date access */ +void qemu_get_timedate(struct tm *tm, int offset) +{ + time_t ti = qemu_time(); + + 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 - qemu_time(); +} + +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: + error_report("invalid date format"); + error_printf("valid formats: " + "'2006-06-17T16:01:21' or '2006-06-17'\n"); + exit(1); + } + rtc_date_offset = qemu_time() - 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")) { + Error *blocker = NULL; + rtc_utc = 0; + error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, + "-rtc base=localtime"); + replay_add_blocker(blocker); + } 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 { + error_report("invalid option value '%s'", 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 { + error_report("invalid option value '%s'", 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) { + error_report("too many bluetooth HCIs (max %i)", 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) + error_report("warning: adding a VHCI to an empty scatternet %i", + 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) { + error_report("unrecognised bluetooth vlan Id"); + return 0; + } + } + + vlan = qemu_find_bt_vlan(vlan_id); + + if (!vlan->slave) + error_report("warning: adding a slave device to an empty scatternet %i", + vlan_id); + + if (!strcmp(devname, "keyboard")) + return bt_keyboard_init(vlan); + + error_report("unsupported bluetooth device '%s'", 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) { + error_report("bad scatternet '%s'", p); + return 1; + } + } else { + error_report("bad parameter '%s'", endp + 1); + return 1; + } + } else + vlan = 0; + + bt_vhci_add(vlan); + return 0; + } + } else if (strstart(opt, "device:", &endp)) + return !bt_device_add(endp); + + error_report("bad bluetooth parameter '%s'", opt); + return 1; +} + +static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) +{ + /* FIXME: change this to true for 1.3 */ + if (qemu_opt_get_bool(opts, "enable", false)) { +#ifdef CONFIG_SECCOMP + if (seccomp_start() < 0) { + error_report("failed to install seccomp syscall filter " + "in the kernel"); + return -1; + } +#else + error_report("seccomp support is disabled"); + return -1; +#endif + } + + return 0; +} + +static int parse_name(void *opaque, QemuOpts *opts, Error **errp) +{ + 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); + } + + return 0; +} + +bool defaults_enabled(void) +{ + return has_defaults; +} + +bool usb_enabled(void) +{ + return machine_usb(current_machine); +} + +#ifndef _WIN32 +static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) +{ + int fd, dupfd, flags; + int64_t fdset_id; + const char *fd_opaque = NULL; + AddfdInfo *fdinfo; + + 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) { + error_report("fd option is required and must be non-negative"); + return -1; + } + + if (fd <= STDERR_FILENO) { + error_report("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)) { + error_report("fd is not valid or already in use"); + return -1; + } + + if (fdset_id < 0) { + error_report("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) { + error_report("error duplicating fd: %s", strerror(errno)); + return -1; + } + + /* add the duplicate fd, and optionally the opaque string, to the fd set */ + fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque, + &error_abort); + g_free(fdinfo); + + return 0; +} + +static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) +{ + 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(void *opaque, QemuOpts *opts, Error **errp) +{ + BlockInterfaceType *block_default_type = opaque; + + return drive_new(opts, *block_default_type) == NULL; +} + +static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) +{ + if (qemu_opt_get(opts, "snapshot") == NULL) { + qemu_opt_set(opts, "snapshot", "on", &error_abort); + } + return 0; +} + +static void default_drive(int enable, int snapshot, BlockInterfaceType type, + int index, const char *optstr) +{ + QemuOpts *opts; + DriveInfo *dinfo; + + if (!enable || drive_get_by_index(type, index)) { + return; + } + + opts = drive_add(type, index, NULL, optstr); + if (snapshot) { + drive_enable_snapshot(NULL, opts, NULL); + } + + dinfo = drive_new(opts, type); + if (!dinfo) { + exit(1); + } + dinfo->is_default = true; + +} + +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 if (threads == 0) { + threads = cpus / (cores * sockets); + } else if (sockets * cores * threads < cpus) { + error_report("cpu topology: " + "sockets (%u) * cores (%u) * threads (%u) < " + "smp_cpus (%u)", + sockets, cores, threads, cpus); + exit(1); + } + + max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus); + if (sockets * cores * threads > max_cpus) { + error_report("cpu topology: " + "sockets (%u) * cores (%u) * threads (%u) > " + "maxcpus (%u)", + sockets, cores, threads, max_cpus); + exit(1); + } + + 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) { + error_report("unsupported number of maxcpus"); + exit(1); + } + if (max_cpus < smp_cpus) { + error_report("maxcpus must be equal to or greater than smp"); + exit(1); + } + + if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) { + Error *blocker = NULL; + error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); + replay_add_blocker(blocker); + } +} + +static void realtime_init(void) +{ + if (enable_mlock) { + if (os_mlock() < 0) { + error_report("locking memory failed"); + exit(1); + } + } +} + + +static void configure_msg(QemuOpts *opts) +{ + enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true); +} + +/***********************************************************/ +/* Semihosting */ + +typedef struct SemihostingConfig { + bool enabled; + SemihostingTarget target; + const char **argv; + int argc; + const char *cmdline; /* concatenated argv */ +} SemihostingConfig; + +static SemihostingConfig semihosting; + +bool semihosting_enabled(void) +{ + return semihosting.enabled; +} + +SemihostingTarget semihosting_get_target(void) +{ + return semihosting.target; +} + +const char *semihosting_get_arg(int i) +{ + if (i >= semihosting.argc) { + return NULL; + } + return semihosting.argv[i]; +} + +int semihosting_get_argc(void) +{ + return semihosting.argc; +} + +const char *semihosting_get_cmdline(void) +{ + if (semihosting.cmdline == NULL && semihosting.argc > 0) { + semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv); + } + return semihosting.cmdline; +} + +static int add_semihosting_arg(void *opaque, + const char *name, const char *val, + Error **errp) +{ + SemihostingConfig *s = opaque; + if (strcmp(name, "arg") == 0) { + s->argc++; + /* one extra element as g_strjoinv() expects NULL-terminated array */ + s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *)); + s->argv[s->argc - 1] = val; + s->argv[s->argc] = NULL; + } + return 0; +} + +/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */ +static inline void semihosting_arg_fallback(const char *file, const char *cmd) +{ + char *cmd_token; + + /* argv[0] */ + add_semihosting_arg(&semihosting, "arg", file, NULL); + + /* split -append and initialize argv[1..n] */ + cmd_token = strtok(g_strdup(cmd), " "); + while (cmd_token) { + add_semihosting_arg(&semihosting, "arg", cmd_token, NULL); + cmd_token = strtok(NULL, " "); + } +} + +/* Now we still need this for compatibility with XEN. */ +bool has_igd_gfx_passthru; +static void igd_gfx_passthru(void) +{ + has_igd_gfx_passthru = current_machine->igd_gfx_passthru; +} + +/***********************************************************/ +/* USB devices */ + +static int usb_device_add(const char *devname) +{ + USBDevice *dev = NULL; +#ifndef CONFIG_LINUX + const char *p; +#endif + + if (!usb_enabled()) { + 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()) { + 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) { + error_report("could not add USB device '%s'", cmdline); + } + return r; +} + +void hmp_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 hmp_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); + } +} + +/***********************************************************/ +/* machine registration */ + +MachineState *current_machine; + +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; +} + +static int machine_help_func(QemuOpts *opts, MachineState *machine) +{ + ObjectProperty *prop; + ObjectPropertyIterator *iter; + + if (!qemu_opt_has_help_opt(opts)) { + return 0; + } + + iter = object_property_iter_init(OBJECT(machine)); + while ((prop = object_property_iter_next(iter))) { + if (!prop->set) { + continue; + } + + error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name, + prop->name, prop->type); + if (prop->description) { + error_printf(" (%s)\n", prop->description); + } else { + error_printf("\n"); + } + } + object_property_iter_free(iter); + + return 1; +} + +/***********************************************************/ +/* 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, *next; + + trace_vm_state_notify(running, state); + + QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) { + e->cb(e->opaque, running, state); + } +} + +/* 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); + +int qemu_shutdown_requested_get(void) +{ + return shutdown_requested; +} + +int qemu_reset_requested_get(void) +{ + return reset_requested; +} + +static int qemu_shutdown_requested(void) +{ + return atomic_xchg(&shutdown_requested, 0); +} + +static void qemu_kill_report(void) +{ + if (!qtest_driver() && shutdown_signal != -1) { + if (shutdown_pid == 0) { + /* This happens for eg ^C at the terminal, so it's worth + * avoiding printing an odd message in that case. + */ + error_report("terminating on signal %d", shutdown_signal); + } else { + error_report("terminating on signal %d from pid " FMT_pid, + shutdown_signal, shutdown_pid); + } + shutdown_signal = -1; + } +} + +static int qemu_reset_requested(void) +{ + int r = reset_requested; + if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) { + reset_requested = 0; + return r; + } + return false; +} + +static int qemu_suspend_requested(void) +{ + int r = suspend_requested; + if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) { + suspend_requested = 0; + return r; + } + return false; +} + +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; +} + +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) { + qapi_event_send_reset(&error_abort); + } + cpu_synchronize_all_post_reset(); +} + +void qemu_system_guest_panicked(void) +{ + if (current_cpu) { + current_cpu->crash_occurred = true; + } + qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort); + vm_stop(RUN_STATE_GUEST_PANICKED); +} + +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); + qapi_event_send_suspend(&error_abort); +} + +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; + + /* Cannot call qemu_system_shutdown_request directly because + * we are in a signal handler. + */ + shutdown_requested = 1; + qemu_notify_event(); +} + +void qemu_system_shutdown_request(void) +{ + trace_qemu_system_shutdown_request(); + replay_shutdown_request(); + shutdown_requested = 1; + qemu_notify_event(); +} + +static void qemu_system_powerdown(void) +{ + qapi_event_send_powerdown(&error_abort); + notifier_list_notify(&powerdown_notifiers, NULL); +} + +void qemu_system_powerdown_request(void) +{ + trace_qemu_system_powerdown_request(); + 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(); +} + +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(); + qapi_event_send_shutdown(&error_abort); + 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(); + qapi_event_send_wakeup(&error_abort); + } + 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 bool virtio_vga_available(void) +{ + return object_class_by_name("virtio-vga"); +} + +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 { + error_report("standard VGA not available"); + exit(0); + } + } else if (strstart(p, "cirrus", &opts)) { + if (cirrus_vga_available()) { + vga_interface_type = VGA_CIRRUS; + } else { + error_report("Cirrus VGA not available"); + exit(0); + } + } else if (strstart(p, "vmware", &opts)) { + if (vmware_vga_available()) { + vga_interface_type = VGA_VMWARE; + } else { + error_report("VMWare SVGA not available"); + exit(0); + } + } else if (strstart(p, "virtio", &opts)) { + if (virtio_vga_available()) { + vga_interface_type = VGA_VIRTIO; + } else { + error_report("Virtio VGA not available"); + 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 { + error_report("QXL VGA not available"); + exit(0); + } + } else if (strstart(p, "tcx", &opts)) { + if (tcx_vga_available()) { + vga_interface_type = VGA_TCX; + } else { + error_report("TCX framebuffer not available"); + exit(0); + } + } else if (strstart(p, "cg3", &opts)) { + if (cg3_vga_available()) { + vga_interface_type = VGA_CG3; + } else { + error_report("CG3 framebuffer not available"); + exit(0); + } + } else if (!strstart(p, "none", &opts)) { + invalid_vga: + error_report("unknown vga type: %s", 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 if (strstart(opts, ",gl=", &nextopt)) { + opts = nextopt; + if (strstart(opts, "on", &nextopt)) { + request_opengl = 1; + } else if (strstart(opts, "off", &nextopt)) { + request_opengl = 0; + } else { + goto invalid_sdl_args; + } + } else { + invalid_sdl_args: + error_report("invalid SDL option string"); + exit(1); + } + opts = nextopt; + } +#else + error_report("SDL support is disabled"); + exit(1); +#endif + } else if (strstart(p, "vnc", &opts)) { +#ifdef CONFIG_VNC + if (*opts == '=') { + Error *err = NULL; + if (vnc_parse(opts + 1, &err) == NULL) { + error_report_err(err); + exit(1); + } + } else { + error_report("VNC requires a display argument vnc=<display>"); + exit(1); + } +#else + error_report("VNC support is disabled"); + exit(1); +#endif + } else if (strstart(p, "curses", &opts)) { +#ifdef CONFIG_CURSES + display = DT_CURSES; +#else + error_report("curses support is disabled"); + 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 if (strstart(opts, ",gl=", &nextopt)) { + opts = nextopt; + if (strstart(opts, "on", &nextopt)) { + request_opengl = 1; + } else if (strstart(opts, "off", &nextopt)) { + request_opengl = 0; + } else { + goto invalid_gtk_args; + } + } else { + invalid_gtk_args: + error_report("invalid GTK option string"); + exit(1); + } + opts = nextopt; + } +#else + error_report("GTK support is disabled"); + exit(1); +#endif + } else if (strstart(p, "none", &opts)) { + display = DT_NONE; + } else { + error_report("unknown display type"); + 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_noisily(qemu_find_opts("device"), arg + 7, + false); + 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", &error_abort); + 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 inline bool nonempty_str(const char *str) +{ + return str && *str; +} + +static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) +{ + gchar *buf; + size_t size; + const char *name, *file, *str; + + if (opaque == NULL) { + error_report("fw_cfg device not available"); + return -1; + } + name = qemu_opt_get(opts, "name"); + file = qemu_opt_get(opts, "file"); + str = qemu_opt_get(opts, "string"); + + /* we need name and either a file or the content string */ + if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) { + error_report("invalid argument(s)"); + return -1; + } + if (nonempty_str(file) && nonempty_str(str)) { + error_report("file and string are mutually exclusive"); + return -1; + } + if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { + error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1); + return -1; + } + if (strncmp(name, "opt/", 4) != 0) { + error_report("warning: externally provided fw_cfg item names " + "should be prefixed with \"opt/\""); + } + if (nonempty_str(str)) { + size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ + buf = g_memdup(str, size); + } else { + if (!g_file_get_contents(file, &buf, &size, NULL)) { + error_report("can't load %s", file); + return -1; + } + } + fw_cfg_add_file((FWCfgState *)opaque, name, buf, size); + return 0; +} + +static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) +{ + return qdev_device_help(opts); +} + +static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + Error *err = NULL; + DeviceState *dev; + + dev = qdev_device_add(opts, &err); + if (!dev) { + error_report_err(err); + return -1; + } + object_unref(OBJECT(dev)); + return 0; +} + +static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + Error *local_err = NULL; + + qemu_chr_new_from_opts(opts, NULL, &local_err); + if (local_err) { + error_report_err(local_err); + return -1; + } + return 0; +} + +#ifdef CONFIG_VIRTFS +static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + int ret; + ret = qemu_fsdev_add(opts); + + return ret; +} +#endif + +static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) +{ + 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 { + error_report("unknown monitor mode \"%s\"", 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) { + error_report("chardev \"%s\" not found", 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, bool pretty) +{ + static int monitor_device_index = 0; + Error *local_err = NULL; + 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) { + error_report("parse error: %s", optarg); + exit(1); + } + } + + opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err); + if (!opts) { + error_report_err(local_err); + exit(1); + } + qemu_opt_set(opts, "mode", mode, &error_abort); + qemu_opt_set(opts, "chardev", label, &error_abort); + qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); + if (def) + qemu_opt_set(opts, "default", "on", &error_abort); + 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 (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) { + error_report("too many serial ports"); + exit(1); + } + snprintf(label, sizeof(label), "serial%d", index); + serial_hds[index] = qemu_chr_new(label, devname, NULL); + if (!serial_hds[index]) { + error_report("could not connect serial device" + " to character backend '%s'", 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) { + error_report("too many parallel ports"); + exit(1); + } + snprintf(label, sizeof(label), "parallel%d", index); + parallel_hds[index] = qemu_chr_new(label, devname, NULL); + if (!parallel_hds[index]) { + error_report("could not connect parallel device" + " to character backend '%s'", 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) { + error_report("too many virtio consoles"); + 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", &error_abort); + } else { + qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort); + } + + dev_opts = qemu_opts_create(device, NULL, 0, &error_abort); + qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort); + + snprintf(label, sizeof(label), "virtcon%d", index); + virtcon_hds[index] = qemu_chr_new(label, devname, NULL); + if (!virtcon_hds[index]) { + error_report("could not connect virtio console" + " to character backend '%s'", devname); + return -1; + } + qemu_opt_set(dev_opts, "chardev", label, &error_abort); + + 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) { + error_report("too many sclp consoles"); + exit(1); + } + + assert(arch_type == QEMU_ARCH_S390X); + + dev_opts = qemu_opts_create(device, NULL, 0, NULL); + qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort); + + snprintf(label, sizeof(label), "sclpcon%d", index); + sclp_hds[index] = qemu_chr_new(label, devname, NULL); + if (!sclp_hds[index]) { + error_report("could not connect sclp console" + " to character backend '%s'", devname); + return -1; + } + qemu_opt_set(dev_opts, "chardev", label, &error_abort); + + 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) { + error_report("already have a debugcon device"); + exit(1); + } + qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort); + qemu_opt_set(opts, "chardev", "debugcon", &error_abort); + return 0; +} + +static gint machine_class_cmp(gconstpointer a, gconstpointer b) +{ + const MachineClass *mc1 = a, *mc2 = b; + int res; + + if (mc1->family == NULL) { + if (mc2->family == NULL) { + /* Compare standalone machine types against each other; they sort + * in increasing order. + */ + return strcmp(object_class_get_name(OBJECT_CLASS(mc1)), + object_class_get_name(OBJECT_CLASS(mc2))); + } + + /* Standalone machine types sort after families. */ + return 1; + } + + if (mc2->family == NULL) { + /* Families sort before standalone machine types. */ + return -1; + } + + /* Families sort between each other alphabetically increasingly. */ + res = strcmp(mc1->family, mc2->family); + if (res != 0) { + return res; + } + + /* Within the same family, machine types sort in decreasing order. */ + return strcmp(object_class_get_name(OBJECT_CLASS(mc2)), + object_class_get_name(OBJECT_CLASS(mc1))); +} + + 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) { + g_slist_free(machines); + 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"); + machines = g_slist_sort(machines, machine_class_cmp); + 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)); +} + +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); +} + +static bool machine_init_done; + +void qemu_add_machine_init_done_notifier(Notifier *notify) +{ + notifier_list_add(&machine_init_done_notifiers, notify); + if (machine_init_done) { + notify->notify(notify, NULL); + } +} + +static void qemu_run_machine_init_done_notifiers(void) +{ + notifier_list_notify(&machine_init_done_notifiers, NULL); + machine_init_done = true; +} + +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 void set_machine_options(MachineClass **machine_class) +{ + const char *optarg; + QemuOpts *opts; + Location loc; + + loc_push_none(&loc); + + opts = qemu_get_machine_opts(); + qemu_opts_loc_restore(opts); + + optarg = qemu_opt_get(opts, "type"); + if (optarg) { + *machine_class = machine_parse(optarg); + } + + if (*machine_class == NULL) { + error_report("No machine specified, and there is no default"); + error_printf("Use -machine help to list supported machines\n"); + exit(1); + } + + loc_pop(&loc); +} + +static int machine_set_property(void *opaque, + const char *name, const char *value, + Error **errp) +{ + Object *obj = OBJECT(opaque); + Error *local_err = NULL; + char *c, *qom_name; + + if (strcmp(name, "type") == 0) { + return 0; + } + + qom_name = g_strdup(name); + c = qom_name; + while (*c++) { + if (*c == '_') { + *c = '-'; + } + } + + object_property_parse(obj, value, qom_name, &local_err); + g_free(qom_name); + + if (local_err) { + error_report_err(local_err); + return -1; + } + + return 0; +} + + +/* + * Initial object creation happens before all other + * QEMU data types are created. The majority of objects + * can be created at this point. The rng-egd object + * cannot be created here, as it depends on the chardev + * already existing. + */ +static bool object_create_initial(const char *type) +{ + if (g_str_equal(type, "rng-egd")) { + return false; + } + + /* + * return false for concrete netfilters since + * they depend on netdevs already existing + */ + if (g_str_equal(type, "filter-buffer") || + g_str_equal(type, "filter-dump")) { + return false; + } + + return true; +} + + +/* + * The remainder of object creation happens after the + * creation of chardev, fsdev, net clients and device data types. + */ +static bool object_create_delayed(const char *type) +{ + return !object_create_initial(type); +} + + +static int object_create(void *opaque, QemuOpts *opts, Error **errp) +{ + Error *err = NULL; + char *type = NULL; + char *id = NULL; + void *dummy = NULL; + OptsVisitor *ov; + QDict *pdict; + bool (*type_predicate)(const char *) = opaque; + + ov = opts_visitor_new(opts); + pdict = qemu_opts_to_qdict(opts, NULL); + + visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err); + if (err) { + goto out; + } + + qdict_del(pdict, "qom-type"); + visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err); + if (err) { + goto out; + } + if (!type_predicate(type)) { + goto out; + } + + qdict_del(pdict, "id"); + visit_type_str(opts_get_visitor(ov), &id, "id", &err); + if (err) { + goto out; + } + + object_add(type, id, pdict, opts_get_visitor(ov), &err); + if (err) { + goto out; + } + visit_end_struct(opts_get_visitor(ov), &err); + if (err) { + qmp_object_del(id, NULL); + } + +out: + opts_visitor_cleanup(ov); + + QDECREF(pdict); + g_free(id); + g_free(type); + g_free(dummy); + if (err) { + error_report_err(err); + return -1; + } + return 0; +} + +static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size, + MachineClass *mc) +{ + uint64_t sz; + const char *mem_str; + const char *maxmem_str, *slots_str; + const ram_addr_t default_ram_size = mc->default_ram_size; + QemuOpts *opts = qemu_find_opts_singleton("memory"); + + sz = 0; + mem_str = qemu_opt_get(opts, "size"); + if (mem_str) { + 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); + } + + /* store value for the future use */ + qemu_opt_set_number(opts, "size", ram_size, &error_abort); + *maxram_size = ram_size; + + maxmem_str = qemu_opt_get(opts, "maxmem"); + slots_str = qemu_opt_get(opts, "slots"); + if (maxmem_str && slots_str) { + uint64_t slots; + + sz = qemu_opt_get_size(opts, "maxmem", 0); + slots = qemu_opt_get_number(opts, "slots", 0); + if (sz < ram_size) { + error_report("invalid value of -m option maxmem: " + "maximum memory size (0x%" PRIx64 ") must be at least " + "the initial memory size (0x" RAM_ADDR_FMT ")", + sz, ram_size); + exit(EXIT_FAILURE); + } else if (sz > ram_size) { + if (!slots) { + error_report("invalid value of -m option: maxmem was " + "specified, but no hotplug slots were specified"); + exit(EXIT_FAILURE); + } + } else if (slots) { + error_report("invalid value of -m option maxmem: " + "memory slots were specified but maximum memory size " + "(0x%" PRIx64 ") is equal to the initial memory size " + "(0x" RAM_ADDR_FMT ")", sz, ram_size); + exit(EXIT_FAILURE); + } + + *maxram_size = sz; + *ram_slots = slots; + } else if ((!maxmem_str && slots_str) || + (maxmem_str && !slots_str)) { + error_report("invalid -m option value: missing " + "'%s' option", slots_str ? "maxmem" : "slots"); + exit(EXIT_FAILURE); + } +} + +int main(int argc, char **argv, char **envp) +{ + int i; + int snapshot, linux_boot; + const char *initrd_filename; + const char *kernel_filename, *kernel_cmdline; + const char *boot_order = NULL; + const char *boot_once = NULL; + DisplayState *ds; + int cyls, heads, secs, translation; + QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL; + 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; + const char *trace_events = NULL; + const char *trace_file = NULL; + ram_addr_t maxram_size; + uint64_t ram_slots = 0; + FILE *vmstate_dump_file = NULL; + Error *main_loop_err = NULL; + Error *err = NULL; + + qemu_init_cpu_loop(); + qemu_mutex_lock_iothread(); + + atexit(qemu_run_exit_notifiers); + error_set_progname(argv[0]); + qemu_init_exec_dir(argv[0]); + + 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); + qemu_add_opts(&qemu_numa_opts); + qemu_add_opts(&qemu_icount_opts); + qemu_add_opts(&qemu_semihosting_config_opts); + qemu_add_opts(&qemu_fw_cfg_opts); + + runstate_init(); + + if (qcrypto_init(&err) < 0) { + error_report("cannot initialize crypto: %s", error_get_pretty(err)); + exit(1); + } + rtc_clock = QEMU_CLOCK_HOST; + + 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; + snapshot = 0; + cyls = heads = secs = 0; + translation = BIOS_ATA_TRANSLATION_AUTO; + + 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_no_kvm_irqchip: { + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false); + 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: + error_report("invalid physical CHS format"); + exit(1); + } + if (hda_opts != NULL) { + qemu_opt_set_number(hda_opts, "cyls", cyls, + &error_abort); + qemu_opt_set_number(hda_opts, "heads", heads, + &error_abort); + qemu_opt_set_number(hda_opts, "secs", secs, + &error_abort); + if (translation == BIOS_ATA_TRANSLATION_LARGE) { + qemu_opt_set(hda_opts, "trans", "large", + &error_abort); + } else if (translation == BIOS_ATA_TRANSLATION_RECHS) { + qemu_opt_set(hda_opts, "trans", "rechs", + &error_abort); + } else if (translation == BIOS_ATA_TRANSLATION_LBA) { + qemu_opt_set(hda_opts, "trans", "lba", + &error_abort); + } else if (translation == BIOS_ATA_TRANSLATION_NONE) { + qemu_opt_set(hda_opts, "trans", "none", + &error_abort); + } + } + } + break; + case QEMU_OPTION_numa: + opts = qemu_opts_parse_noisily(qemu_find_opts("numa"), + optarg, true); + if (!opts) { + exit(1); + } + 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 + error_report("curses support is disabled"); + 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) { + error_report("only 90, 180, 270 deg rotation is available"); + exit(1); + } + break; + case QEMU_OPTION_kernel: + qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg, + &error_abort); + break; + case QEMU_OPTION_initrd: + qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg, + &error_abort); + break; + case QEMU_OPTION_append: + qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg, + &error_abort); + break; + case QEMU_OPTION_dtb: + qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg, + &error_abort); + break; + case QEMU_OPTION_cdrom: + drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); + break; + case QEMU_OPTION_boot: + opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"), + optarg, true); + 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_noisily(qemu_find_opts("iscsi"), + optarg, false); + 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: + opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), + optarg, true); + if (!opts) { + 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, + &error_abort); + 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: + error_report("invalid resolution or depth"); + 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", false); + } + break; + case QEMU_OPTION_qmp: + monitor_parse(optarg, "control", false); + default_monitor = 0; + break; + case QEMU_OPTION_qmp_pretty: + monitor_parse(optarg, "control", true); + default_monitor = 0; + break; + case QEMU_OPTION_mon: + opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg, + true); + if (!opts) { + exit(1); + } + default_monitor = 0; + break; + case QEMU_OPTION_chardev: + opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), + optarg, true); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_fsdev: + olist = qemu_find_opts("fsdev"); + if (!olist) { + error_report("fsdev support is disabled"); + exit(1); + } + opts = qemu_opts_parse_noisily(olist, optarg, true); + 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) { + error_report("virtfs support is disabled"); + exit(1); + } + opts = qemu_opts_parse_noisily(olist, optarg, true); + if (!opts) { + exit(1); + } + + if (qemu_opt_get(opts, "fsdriver") == NULL || + qemu_opt_get(opts, "mount_tag") == NULL) { + error_report("Usage: -virtfs fsdriver,mount_tag=tag"); + exit(1); + } + fsdev = qemu_opts_create(qemu_find_opts("fsdev"), + qemu_opt_get(opts, "mount_tag"), + 1, NULL); + if (!fsdev) { + error_report("duplicate fsdev id: %s", + 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, &error_abort); +#else + error_report("writeout=immediate not supported " + "on this platform"); + exit(1); +#endif + } + qemu_opt_set(fsdev, "fsdriver", + qemu_opt_get(opts, "fsdriver"), &error_abort); + qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"), + &error_abort); + qemu_opt_set(fsdev, "security_model", + qemu_opt_get(opts, "security_model"), + &error_abort); + socket = qemu_opt_get(opts, "socket"); + if (socket) { + qemu_opt_set(fsdev, "socket", socket, &error_abort); + } + sock_fd = qemu_opt_get(opts, "sock_fd"); + if (sock_fd) { + qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort); + } + + qemu_opt_set_bool(fsdev, "readonly", + qemu_opt_get_bool(opts, "readonly", 0), + &error_abort); + device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, + &error_abort); + qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); + qemu_opt_set(device, "fsdev", + qemu_opt_get(opts, "mount_tag"), &error_abort); + qemu_opt_set(device, "mount_tag", + qemu_opt_get(opts, "mount_tag"), &error_abort); + break; + } + case QEMU_OPTION_virtfs_synth: { + QemuOpts *fsdev; + QemuOpts *device; + + fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", + 1, NULL); + if (!fsdev) { + error_report("duplicate option: %s", "virtfs_synth"); + exit(1); + } + qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort); + + device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, + &error_abort); + qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); + qemu_opt_set(device, "fsdev", "v_synth", &error_abort); + qemu_opt_set(device, "mount_tag", "v_synth", &error_abort); + 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) { + error_report("only one watchdog option may be given"); + return 1; + } + watchdog = optarg; + break; + case QEMU_OPTION_watchdog_action: + if (select_watchdog_action(optarg) == -1) { + error_report("unknown -watchdog-action parameter"); + 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 + error_report("SDL support is disabled"); + 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_noisily(qemu_find_opts("acpi"), + optarg, true); + if (!opts) { + exit(1); + } + do_acpitable_option(opts); + break; + case QEMU_OPTION_smbios: + opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"), + optarg, false); + if (!opts) { + exit(1); + } + do_smbios_option(opts); + break; + case QEMU_OPTION_fwcfg: + opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"), + optarg, true); + if (opts == NULL) { + exit(1); + } + break; + case QEMU_OPTION_enable_kvm: + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "accel=kvm", false); + break; + case QEMU_OPTION_M: + case QEMU_OPTION_machine: + olist = qemu_find_opts("machine"); + opts = qemu_opts_parse_noisily(olist, optarg, true); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_no_kvm: + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "accel=tcg", false); + break; + case QEMU_OPTION_no_kvm_pit: { + error_report("warning: ignoring deprecated option"); + 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 */ } + }; + + error_report("warning: deprecated, replaced by " + "-global kvm-pit.lost_tick_policy=discard"); + qdev_prop_register_global_list(kvm_pit_lost_tick_policy); + break; + } + case QEMU_OPTION_usb: + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "usb=on", false); + break; + case QEMU_OPTION_usbdevice: + olist = qemu_find_opts("machine"); + qemu_opts_parse_noisily(olist, "usb=on", false); + add_device_config(DEV_USB, optarg); + break; + case QEMU_OPTION_device: + if (!qemu_opts_parse_noisily(qemu_find_opts("device"), + optarg, true)) { + exit(1); + } + break; + case QEMU_OPTION_smp: + if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"), + optarg, true)) { + exit(1); + } + break; + case QEMU_OPTION_vnc: + { +#ifdef CONFIG_VNC + Error *local_err = NULL; + + if (vnc_parse(optarg, &local_err) == NULL) { + error_report_err(local_err); + exit(1); + } +#else + error_report("VNC support is disabled"); + 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) { + error_report("unknown -balloon argument %s", 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) { + error_report("failed to parse UUID string: wrong format"); + exit(1); + } + qemu_uuid_set = true; + break; + case QEMU_OPTION_option_rom: + if (nb_option_roms >= MAX_OPTION_ROMS) { + error_report("too many option ROMs"); + exit(1); + } + opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"), + optarg, true); + 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) { + error_report("Option ROM file is not specified"); + exit(1); + } + nb_option_roms++; + break; + case QEMU_OPTION_semihosting: + semihosting.enabled = true; + semihosting.target = SEMIHOSTING_TARGET_AUTO; + break; + case QEMU_OPTION_semihosting_config: + semihosting.enabled = true; + opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"), + optarg, false); + if (opts != NULL) { + semihosting.enabled = qemu_opt_get_bool(opts, "enable", + true); + const char *target = qemu_opt_get(opts, "target"); + if (target != NULL) { + if (strcmp("native", target) == 0) { + semihosting.target = SEMIHOSTING_TARGET_NATIVE; + } else if (strcmp("gdb", target) == 0) { + semihosting.target = SEMIHOSTING_TARGET_GDB; + } else if (strcmp("auto", target) == 0) { + semihosting.target = SEMIHOSTING_TARGET_AUTO; + } else { + error_report("unsupported semihosting-config %s", + optarg); + exit(1); + } + } else { + semihosting.target = SEMIHOSTING_TARGET_AUTO; + } + /* Set semihosting argument count and vector */ + qemu_opt_foreach(opts, add_semihosting_arg, + &semihosting, NULL); + } else { + error_report("unsupported semihosting-config %s", optarg); + exit(1); + } + break; + case QEMU_OPTION_tdf: + error_report("warning: ignoring deprecated option"); + break; + case QEMU_OPTION_name: + opts = qemu_opts_parse_noisily(qemu_find_opts("name"), + optarg, true); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_prom_env: + if (nb_prom_envs >= MAX_PROM_ENVS) { + error_report("too many prom variables"); + 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_noisily(qemu_find_opts("rtc"), optarg, + false); + 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_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"), + optarg, true); + if (!icount_opts) { + exit(1); + } + break; + case QEMU_OPTION_incoming: + if (!incoming) { + runstate_set(RUN_STATE_INMIGRATE); + } + incoming = optarg; + 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_noisily(qemu_find_opts("trace"), + optarg, false); + 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) { + error_report("read config %s: %s", optarg, + strerror(-ret)); + exit(1); + } + break; + } + case QEMU_OPTION_spice: + olist = qemu_find_opts("spice"); + if (!olist) { + error_report("spice support is disabled"); + exit(1); + } + opts = qemu_opts_parse_noisily(olist, optarg, false); + 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) { + error_report("open %s: %s", 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_noisily(qemu_find_opts("sandbox"), + optarg, true); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_add_fd: +#ifndef _WIN32 + opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"), + optarg, false); + 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_noisily(qemu_find_opts("object"), + optarg, true); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_realtime: + opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"), + optarg, false); + if (!opts) { + exit(1); + } + enable_mlock = qemu_opt_get_bool(opts, "mlock", true); + break; + case QEMU_OPTION_msg: + opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg, + false); + if (!opts) { + exit(1); + } + configure_msg(opts); + break; + case QEMU_OPTION_dump_vmstate: + if (vmstate_dump_file) { + error_report("only one '-dump-vmstate' " + "option may be given"); + exit(1); + } + vmstate_dump_file = fopen(optarg, "w"); + if (vmstate_dump_file == NULL) { + error_report("open %s: %s", optarg, strerror(errno)); + exit(1); + } + break; + default: + os_parse_cmd_args(popt->index, optarg); + } + } + } + + replay_configure(icount_opts); + + set_machine_options(&machine_class); + + set_memory_options(&ram_slots, &maxram_size, machine_class); + + loc_set_none(); + + os_daemonize(); + + if (qemu_init_main_loop(&main_loop_err)) { + error_report_err(main_loop_err); + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("sandbox"), + parse_sandbox, NULL, NULL)) { + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("name"), + parse_name, NULL, NULL)) { + exit(1); + } + +#ifndef _WIN32 + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + parse_add_fd, NULL, NULL)) { + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + cleanup_add_fd, NULL, NULL)) { + exit(1); + } +#endif + + current_machine = MACHINE(object_new(object_class_get_name( + OBJECT_CLASS(machine_class)))); + if (machine_help_func(qemu_get_machine_opts(), current_machine)) { + exit(0); + } + object_property_add_child(object_get_root(), "machine", + OBJECT(current_machine), &error_abort); + cpu_exec_init_all(); + + if (machine_class->hw_version) { + qemu_set_hw_version(machine_class->hw_version); + } + + /* 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 and set the log mask if necessary. + */ + if (log_file) { + qemu_set_log_filename(log_file); + } + + if (log_mask) { + int mask; + 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_init_backends(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 (max_cpus > machine_class->max_cpus) { + error_report("Number of SMP CPUs requested (%d) exceeds max CPUs " + "supported by machine '%s' (%d)", max_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, NULL); + qemu_opts_foreach(qemu_find_opts("global"), + default_driver_check, NULL, NULL); + + 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)) { + error_report("-nographic cannot be used with -daemonize"); + exit(1); + } +#ifdef CONFIG_CURSES + if (display_type == DT_CURSES) { + error_report("curses display cannot be used with -daemonize"); + 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", false); + } + } 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", false); + if (default_virtcon) + add_device_config(DEV_VIRTCON, "vc:80Cx24C"); + if (default_sclp) { + add_device_config(DEV_SCLP, "vc:80Cx24C"); + } + } + +#if defined(CONFIG_VNC) + if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) { + display_remote++; + } +#endif + 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_parse("localhost:0,to=99,id=default", &error_abort); + show_vnc_port = 1; +#else + display_type = DT_NONE; +#endif + } + + if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) { + error_report("-no-frame, -alt-grab and -ctrl-grab are only valid " + "for SDL, ignoring option"); + } + if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) { + error_report("-no-quit is only valid for GTK and SDL, " + "ignoring option"); + } + +#if defined(CONFIG_GTK) + if (display_type == DT_GTK) { + early_gtk_display_init(request_opengl); + } +#endif +#if defined(CONFIG_SDL) + if (display_type == DT_SDL) { + sdl_display_early_init(request_opengl); + } +#endif + if (request_opengl == 1 && display_opengl == 0) { +#if defined(CONFIG_OPENGL) + error_report("OpenGL is not supported by the display"); +#else + error_report("OpenGL support is disabled"); +#endif + exit(1); + } + + page_size_init(); + socket_init(); + + if (qemu_opts_foreach(qemu_find_opts("object"), + object_create, + object_create_initial, NULL)) { + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("chardev"), + chardev_init_func, NULL, NULL)) { + exit(1); + } + +#ifdef CONFIG_VIRTFS + if (qemu_opts_foreach(qemu_find_opts("fsdev"), + fsdev_init_func, NULL, NULL)) { + exit(1); + } +#endif + + if (pid_file && qemu_create_pidfile(pid_file) != 0) { + error_report("could not acquire pid file: %s", strerror(errno)); + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("device"), + device_help_func, NULL, NULL)) { + exit(0); + } + + machine_opts = qemu_get_machine_opts(); + if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine, + NULL)) { + object_unref(OBJECT(current_machine)); + exit(1); + } + + configure_accelerator(current_machine); + + if (qtest_chrdev) { + Error *local_err = NULL; + qtest_init(qtest_chrdev, qtest_log, &local_err); + if (local_err) { + error_report_err(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"); + + opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL); + if (opts) { + Error *local_err = NULL; + + boot_order = qemu_opt_get(opts, "order"); + if (boot_order) { + validate_bootdevices(boot_order, &local_err); + if (local_err) { + error_report_err(local_err); + exit(1); + } + } + + boot_once = qemu_opt_get(opts, "once"); + if (boot_once) { + validate_bootdevices(boot_once, &local_err); + if (local_err) { + error_report_err(local_err); + exit(1); + } + } + + boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu); + boot_strict = qemu_opt_get_bool(opts, "strict", false); + } + + if (!boot_order) { + boot_order = machine_class->default_boot_order; + } + + if (!kernel_cmdline) { + kernel_cmdline = ""; + current_machine->kernel_cmdline = (char *)kernel_cmdline; + } + + linux_boot = (kernel_filename != NULL); + + if (!linux_boot && *kernel_cmdline != '\0') { + error_report("-append only allowed with -kernel option"); + exit(1); + } + + if (!linux_boot && initrd_filename != NULL) { + error_report("-initrd only allowed with -kernel option"); + exit(1); + } + + if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) { + error_report("-dtb only allowed with -kernel option"); + exit(1); + } + + if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) { + /* fall back to the -kernel/-append */ + semihosting_arg_fallback(kernel_filename, kernel_cmdline); + } + + os_set_line_buffering(); + +#ifdef CONFIG_SPICE + /* spice needs the timers to be initialized by this point */ + qemu_spice_init(); +#endif + + cpu_ticks_init(); + if (icount_opts) { + if (kvm_enabled() || xen_enabled()) { + error_report("-icount is not allowed with kvm or xen"); + exit(1); + } + configure_icount(icount_opts, &error_abort); + qemu_opts_del(icount_opts); + } + + /* clean up network at qemu process termination */ + atexit(&net_cleanup); + + if (net_init_clients() < 0) { + exit(1); + } + + if (qemu_opts_foreach(qemu_find_opts("object"), + object_create, + object_create_delayed, NULL)) { + 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) { + error_report("at most 2047 MB RAM can be simulated"); + exit(1); + } + } + + blk_mig_init(); + ram_mig_init(); + + /* If the currently selected machine wishes to override the units-per-bus + * property of its default HBA interface type, do so now. */ + if (machine_class->units_per_default_bus) { + override_max_devs(machine_class->block_default_type, + machine_class->units_per_default_bus); + } + + /* open the virtual block devices */ + if (snapshot || replay_mode != REPLAY_MODE_NONE) { + qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, + NULL, NULL); + } + if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, + &machine_class->block_default_type, NULL)) { + 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); + + parse_numa_opts(machine_class); + + if (qemu_opts_foreach(qemu_find_opts("mon"), + mon_init_func, NULL, NULL)) { + 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 (machine_class->default_display) { + vga_model = machine_class->default_display; + } else 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(); + + /* This checkpoint is required by replay to separate prior clock + reading from the other reads, because timer polling functions query + clock values from the log. */ + replay_checkpoint(CHECKPOINT_INIT); + qdev_machine_init(); + + current_machine->ram_size = ram_size; + current_machine->maxram_size = maxram_size; + current_machine->ram_slots = ram_slots; + current_machine->boot_order = boot_order; + current_machine->cpu_model = cpu_model; + + machine_class->init(current_machine); + + realtime_init(); + + audio_init(); + + cpu_synchronize_all_post_init(); + + numa_post_machine_init(); + + if (qemu_opts_foreach(qemu_find_opts("fw_cfg"), + parse_fw_cfg, fw_cfg_find(), NULL) != 0) { + exit(1); + } + + /* init USB devices */ + if (usb_enabled()) { + if (foreach_device_config(DEV_USB, usb_parse) < 0) + exit(1); + } + + /* Check if IGD GFX passthrough. */ + igd_gfx_passthru(); + + /* init generic devices */ + if (qemu_opts_foreach(qemu_find_opts("device"), + device_init_func, NULL, NULL)) { + exit(1); + } + + /* Did we create any drives that we failed to create a device for? */ + drive_check_orphaned(); + + net_check_clients(); + + if (boot_once) { + Error *local_err = NULL; + qemu_boot_set(boot_once, &local_err); + if (local_err) { + error_report("%s", error_get_pretty(local_err)); + exit(1); + } + qemu_register_reset(restore_boot_order, g_strdup(boot_order)); + } + + 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 */ + qemu_opts_foreach(qemu_find_opts("vnc"), + vnc_init_func, NULL, NULL); + if (show_vnc_port) { + char *ret = vnc_display_local_addr("default"); + printf("VNC server running on '%s'\n", ret); + g_free(ret); + } +#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(); + + /* 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(); + + if (rom_check_and_register_reset() != 0) { + error_report("rom check and register reset failed"); + exit(1); + } + + replay_start(); + + /* This checkpoint is required by replay to separate prior clock + reading from the other reads, because timer polling functions query + clock values from the log. */ + replay_checkpoint(CHECKPOINT_RESET); + qemu_system_reset(VMRESET_SILENT); + register_global_state(); + if (loadvm) { + if (load_vmstate(loadvm) < 0) { + autostart = 0; + } + } + + qdev_prop_check_globals(); + if (vmstate_dump_file) { + /* dump and exit */ + dump_vmstate_json_to_file(vmstate_dump_file); + return 0; + } + + 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_init_backends(trace_events, trace_file)) { + exit(1); + } + } + + main_loop(); + replay_disable_events(); + + bdrv_close_all(); + pause_all_vcpus(); + res_free(); +#ifdef CONFIG_TPM + tpm_cleanup(); +#endif + qemu_end_cpu_loop(); + + return 0; +} |
