diff options
| author | Alexander Bulekov <alxndr@bu.edu> | 2020-02-19 23:10:57 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2020-02-22 08:26:47 +0000 |
| commit | bac068e0648c1f5c37f6a0a9423b8aa55e8c09c2 (patch) | |
| tree | 278eee353af22bc8eb96b4c059221841e84d5be7 /vl.c | |
| parent | 7391d34c3cca09c0bb0140275839c6619b86ec0f (diff) | |
softmmu: move vl.c to softmmu/
Move vl.c to a separate directory, similar to linux-user/
Update the chechpatch and get_maintainer scripts, since they relied on
/vl.c for top_of_tree checks.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-2-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 4447 |
1 files changed, 0 insertions, 4447 deletions
@@ -1,4447 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include "qemu-common.h" -#include "qemu/units.h" -#include "hw/qdev-properties.h" -#include "qapi/error.h" -#include "qemu-version.h" -#include "qemu/cutils.h" -#include "qemu/help_option.h" -#include "qemu/uuid.h" -#include "sysemu/reset.h" -#include "sysemu/runstate.h" -#include "sysemu/seccomp.h" -#include "sysemu/tcg.h" - -#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 "qemu/error-report.h" -#include "qemu/sockets.h" -#include "sysemu/accel.h" -#include "hw/usb.h" -#include "hw/isa/isa.h" -#include "hw/scsi/scsi.h" -#include "hw/display/vga.h" -#include "sysemu/watchdog.h" -#include "hw/firmware/smbios.h" -#include "hw/acpi/acpi.h" -#include "hw/xen/xen.h" -#include "hw/loader.h" -#include "monitor/qdev.h" -#include "net/net.h" -#include "net/slirp.h" -#include "monitor/monitor.h" -#include "ui/console.h" -#include "ui/input.h" -#include "sysemu/sysemu.h" -#include "sysemu/numa.h" -#include "exec/gdbstub.h" -#include "qemu/timer.h" -#include "chardev/char.h" -#include "qemu/bitmap.h" -#include "qemu/log.h" -#include "sysemu/blockdev.h" -#include "hw/block/block.h" -#include "migration/misc.h" -#include "migration/snapshot.h" -#include "migration/global_state.h" -#include "sysemu/tpm.h" -#include "sysemu/dma.h" -#include "hw/audio/soundhw.h" -#include "audio/audio.h" -#include "sysemu/cpus.h" -#include "migration/colo.h" -#include "migration/postcopy-ram.h" -#include "sysemu/kvm.h" -#include "sysemu/hax.h" -#include "qapi/qobject-input-visitor.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "qemu-options.h" -#include "qemu/main-loop.h" -#ifdef CONFIG_VIRTFS -#include "fsdev/qemu-fsdev.h" -#endif -#include "sysemu/qtest.h" - -#include "disas/disas.h" - -#include "trace-root.h" -#include "trace/control.h" -#include "qemu/plugin.h" -#include "qemu/queue.h" -#include "sysemu/arch_init.h" - -#include "ui/qemu-spice.h" -#include "qapi/string-input-visitor.h" -#include "qapi/opts-visitor.h" -#include "qapi/clone-visitor.h" -#include "qom/object_interfaces.h" -#include "hw/semihosting/semihost.h" -#include "crypto/init.h" -#include "sysemu/replay.h" -#include "qapi/qapi-events-run-state.h" -#include "qapi/qapi-visit-block-core.h" -#include "qapi/qapi-visit-ui.h" -#include "qapi/qapi-commands-block-core.h" -#include "qapi/qapi-commands-run-state.h" -#include "qapi/qapi-commands-ui.h" -#include "qapi/qmp/qerror.h" -#include "sysemu/iothread.h" -#include "qemu/guest-random.h" - -#define MAX_VIRTIO_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; -int display_opengl; -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; -bool enable_cpu_pm = false; -int nb_nics; -NICInfo nd_table[MAX_NICS]; -int autostart; -static enum { - RTC_BASE_UTC, - RTC_BASE_LOCALTIME, - RTC_BASE_DATETIME, -} rtc_base_type = RTC_BASE_UTC; -static time_t rtc_ref_start_datetime; -static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */ -static int rtc_host_datetime_offset = -1; /* valid & used only with - RTC_BASE_DATETIME */ -QEMUClockType rtc_clock; -int vga_interface_type = VGA_NONE; -static DisplayOptions dpy; -static int num_serial_hds; -static Chardev **serial_hds; -Chardev *parallel_hds[MAX_PARALLEL_PORTS]; -int win2k_install_hack = 0; -int singlestep = 0; -int acpi_enabled = 1; -int no_hpet = 0; -int fd_bootchk = 1; -static int no_reboot; -int no_shutdown = 0; -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; -int only_migratable; /* turn it off unless user states otherwise */ -bool wakeup_suspend_enabled; - -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. - */ -QemuUUID qemu_uuid; -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; -bool xen_domid_restrict; - -static int has_defaults = 1; -static int default_serial = 1; -static int default_parallel = 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 int default_net = 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 = "floppy", .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 = "scsi-hd", .flag = &default_cdrom }, - { .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 }, - { .driver = "ati-vga", .flag = &default_vga }, - { .driver = "vhost-user-vga", .flag = &default_vga }, -}; - -static QemuOptsList qemu_rtc_opts = { - .name = "rtc", - .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), - .merge_lists = true, - .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_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_accel_opts = { - .name = "accel", - .implied_opt_name = "accel", - .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head), - .desc = { - /* - * no elements => accept any - * sanity checking will happen later - * when setting accelerator 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_NUMBER, - }, { - .name = "reboot-timeout", - .type = QEMU_OPT_NUMBER, - }, { - .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_overcommit_opts = { - .name = "overcommit", - .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head), - .desc = { - { - .name = "mem-lock", - .type = QEMU_OPT_BOOL, - }, - { - .name = "cpu-pm", - .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, - }, { - .name = "rrsnapshot", - .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 " - "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_PRECONFIG; - -/* 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_PRECONFIG, RUN_STATE_PRELAUNCH }, - /* Early switch to inmigrate state to allow -incoming CLI option work - * as it used to. TODO: delay actual switching to inmigrate state to - * the point after machine is built and remove this hack. - */ - { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE }, - - { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, - { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH }, - - { 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_INMIGRATE, RUN_STATE_PRELAUNCH }, - { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE }, - { RUN_STATE_INMIGRATE, RUN_STATE_COLO }, - - { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, - { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH }, - - { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, - { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH }, - - { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, - { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE }, - { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH }, - { RUN_STATE_PAUSED, RUN_STATE_COLO}, - - { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, - { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH }, - - { 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_PAUSED }, - { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE }, - { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH }, - { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO}, - - { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING }, - { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH }, - - { RUN_STATE_COLO, 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_RUNNING, RUN_STATE_COLO}, - - { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING }, - - { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, - { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH }, - - { 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_SUSPENDED, RUN_STATE_PRELAUNCH }, - { RUN_STATE_SUSPENDED, RUN_STATE_COLO}, - - { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING }, - { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH }, - { RUN_STATE_WATCHDOG, RUN_STATE_COLO}, - - { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING }, - { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE }, - { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH }, - - { 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_str(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); - - trace_runstate_set(current_run_state, RunState_str(current_run_state), - new_state, RunState_str(new_state)); - - if (current_run_state == new_state) { - return; - } - - if (!runstate_valid_transitions[current_run_state][new_state]) { - error_report("invalid runstate transition: '%s' -> '%s'", - RunState_str(current_run_state), - RunState_str(new_state)); - abort(); - } - - 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; -} - -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(); -} - -/***********************************************************/ -/* RTC reference time/date access */ -static time_t qemu_ref_timedate(QEMUClockType clock) -{ - time_t value = qemu_clock_get_ms(clock) / 1000; - switch (clock) { - case QEMU_CLOCK_REALTIME: - value -= rtc_realtime_clock_offset; - /* fall through */ - case QEMU_CLOCK_VIRTUAL: - value += rtc_ref_start_datetime; - break; - case QEMU_CLOCK_HOST: - if (rtc_base_type == RTC_BASE_DATETIME) { - value -= rtc_host_datetime_offset; - } - break; - default: - assert(0); - } - return value; -} - -void qemu_get_timedate(struct tm *tm, int offset) -{ - time_t ti = qemu_ref_timedate(rtc_clock); - - ti += offset; - - switch (rtc_base_type) { - case RTC_BASE_DATETIME: - case RTC_BASE_UTC: - gmtime_r(&ti, tm); - break; - case RTC_BASE_LOCALTIME: - localtime_r(&ti, tm); - break; - } -} - -int qemu_timedate_diff(struct tm *tm) -{ - time_t seconds; - - switch (rtc_base_type) { - case RTC_BASE_DATETIME: - case RTC_BASE_UTC: - seconds = mktimegm(tm); - break; - case RTC_BASE_LOCALTIME: - { - struct tm tmp = *tm; - tmp.tm_isdst = -1; /* use timezone to figure it out */ - seconds = mktime(&tmp); - break; - } - default: - abort(); - } - - return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST); -} - -static void configure_rtc_base_datetime(const char *startdate) -{ - time_t rtc_start_datetime; - struct tm tm; - - 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_datetime = mktimegm(&tm); - if (rtc_start_datetime == -1) { - date_fail: - error_report("invalid datetime format"); - error_printf("valid formats: " - "'2006-06-17T16:01:21' or '2006-06-17'\n"); - exit(1); - } - rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime; - rtc_ref_start_datetime = rtc_start_datetime; -} - -static void configure_rtc(QemuOpts *opts) -{ - const char *value; - - /* Set defaults */ - rtc_clock = QEMU_CLOCK_HOST; - rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000; - rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000; - - value = qemu_opt_get(opts, "base"); - if (value) { - if (!strcmp(value, "utc")) { - rtc_base_type = RTC_BASE_UTC; - } else if (!strcmp(value, "localtime")) { - Error *blocker = NULL; - rtc_base_type = RTC_BASE_LOCALTIME; - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, - "-rtc base=localtime"); - replay_add_blocker(blocker); - } else { - rtc_base_type = RTC_BASE_DATETIME; - configure_rtc_base_datetime(value); - } - } - 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")) { - object_register_sugar_prop("mc146818rtc", - "lost_tick_policy", - "slew"); - } else if (!strcmp(value, "none")) { - /* discard is default */ - } else { - error_report("invalid option value '%s'", value); - exit(1); - } - } -} - -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; -} - -#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_setg(errp, "fd option is required and must be non-negative"); - return -1; - } - - if (fd <= STDERR_FILENO) { - error_setg(errp, "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_setg(errp, "fd is not valid or already in use"); - return -1; - } - - if (fdset_id < 0) { - error_setg(errp, "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_setg(errp, "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, errp) == 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, &error_abort); - dinfo->is_default = true; - -} - -typedef struct BlockdevOptionsQueueEntry { - BlockdevOptions *bdo; - Location loc; - QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; -} BlockdevOptionsQueueEntry; - -typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; - -static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, - MachineClass *machine_class, int snapshot) -{ - /* - * 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 */ - while (!QSIMPLEQ_EMPTY(bdo_queue)) { - BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue); - - QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry); - loc_push_restore(&bdo->loc); - qmp_blockdev_add(bdo->bdo, &error_fatal); - loc_pop(&bdo->loc); - qapi_free_BlockdevOptions(bdo->bdo); - g_free(bdo); - } - if (snapshot) { - 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, &error_fatal)) { - /* We printed help */ - exit(0); - } - - 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); - -} - -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 = "dies", - .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 realtime_init(void) -{ - if (enable_mlock) { - if (os_mlock() < 0) { - error_report("locking memory failed"); - exit(1); - } - } -} - - -static void configure_msg(QemuOpts *opts) -{ - error_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false); -} - - -/***********************************************************/ -/* USB devices */ - -static int usb_device_add(const char *devname) -{ - USBDevice *dev = NULL; - - if (!machine_usb(current_machine)) { - return -1; - } - - dev = usbdevice_create(devname); - if (!dev) - return -1; - - return 0; -} - -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; -} - -/***********************************************************/ -/* machine registration */ - -MachineState *current_machine; - -static MachineClass *find_machine(const char *name, GSList *machines) -{ - GSList *el; - - for (el = machines; el; el = el->next) { - MachineClass *mc = el->data; - - if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { - return mc; - } - } - - return NULL; -} - -static MachineClass *find_default_machine(GSList *machines) -{ - GSList *el; - - for (el = machines; el; el = el->next) { - MachineClass *mc = el->data; - - if (mc->is_default) { - return mc; - } - } - - return NULL; -} - -static int machine_help_func(QemuOpts *opts, MachineState *machine) -{ - ObjectProperty *prop; - ObjectPropertyIterator iter; - - if (!qemu_opt_has_help_opt(opts)) { - return 0; - } - - object_property_iter_init(&iter, OBJECT(machine)); - while ((prop = object_property_iter_next(&iter))) { - if (!prop->set) { - continue; - } - - printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name, - prop->name, prop->type); - if (prop->description) { - printf(" (%s)\n", prop->description); - } else { - printf("\n"); - } - } - - return 1; -} - -struct VMChangeStateEntry { - VMChangeStateHandler *cb; - void *opaque; - QTAILQ_ENTRY(VMChangeStateEntry) entries; - int priority; -}; - -static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head; - -/** - * qemu_add_vm_change_state_handler_prio: - * @cb: the callback to invoke - * @opaque: user data passed to the callback - * @priority: low priorities execute first when the vm runs and the reverse is - * true when the vm stops - * - * Register a callback function that is invoked when the vm starts or stops - * running. - * - * Returns: an entry to be freed using qemu_del_vm_change_state_handler() - */ -VMChangeStateEntry *qemu_add_vm_change_state_handler_prio( - VMChangeStateHandler *cb, void *opaque, int priority) -{ - VMChangeStateEntry *e; - VMChangeStateEntry *other; - - e = g_malloc0(sizeof(*e)); - e->cb = cb; - e->opaque = opaque; - e->priority = priority; - - /* Keep list sorted in ascending priority order */ - QTAILQ_FOREACH(other, &vm_change_state_head, entries) { - if (priority < other->priority) { - QTAILQ_INSERT_BEFORE(other, e, entries); - return e; - } - } - - QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries); - return e; -} - -VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, - void *opaque) -{ - return qemu_add_vm_change_state_handler_prio(cb, opaque, 0); -} - -void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) -{ - QTAILQ_REMOVE(&vm_change_state_head, e, entries); - g_free(e); -} - -void vm_state_notify(int running, RunState state) -{ - VMChangeStateEntry *e, *next; - - trace_vm_state_notify(running, state, RunState_str(state)); - - if (running) { - QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) { - e->cb(e->opaque, running, state); - } - } else { - QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) { - e->cb(e->opaque, running, state); - } - } -} - -static ShutdownCause reset_requested; -static ShutdownCause shutdown_requested; -static int shutdown_signal; -static pid_t shutdown_pid; -static int powerdown_requested; -static int debug_requested; -static int suspend_requested; -static bool preconfig_exit_requested = true; -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 NotifierList shutdown_notifiers = - NOTIFIER_LIST_INITIALIZER(shutdown_notifiers); -static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); - -ShutdownCause qemu_shutdown_requested_get(void) -{ - return shutdown_requested; -} - -ShutdownCause qemu_reset_requested_get(void) -{ - return reset_requested; -} - -static int qemu_shutdown_requested(void) -{ - return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE); -} - -static void qemu_kill_report(void) -{ - if (!qtest_driver() && shutdown_signal) { - if (shutdown_pid == 0) { - /* This happens for eg ^C at the terminal, so it's worth - * avoiding printing an odd message in that case. - */ - error_report("terminating on signal %d", shutdown_signal); - } else { - char *shutdown_cmd = qemu_get_pid_name(shutdown_pid); - - error_report("terminating on signal %d from pid " FMT_pid " (%s)", - shutdown_signal, shutdown_pid, - shutdown_cmd ? shutdown_cmd : "<unknown process>"); - g_free(shutdown_cmd); - } - shutdown_signal = 0; - } -} - -static ShutdownCause qemu_reset_requested(void) -{ - ShutdownCause r = reset_requested; - - if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) { - reset_requested = SHUTDOWN_CAUSE_NONE; - return r; - } - return SHUTDOWN_CAUSE_NONE; -} - -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_exit_preconfig_request(void) -{ - preconfig_exit_requested = true; -} - -/* - * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE. - */ -void qemu_system_reset(ShutdownCause reason) -{ - MachineClass *mc; - - mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; - - cpu_synchronize_all_states(); - - if (mc && mc->reset) { - mc->reset(current_machine); - } else { - qemu_devices_reset(); - } - if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { - qapi_event_send_reset(shutdown_caused_by_guest(reason), reason); - } - cpu_synchronize_all_post_reset(); -} - -/* - * Wake the VM after suspend. - */ -static void qemu_system_wakeup(void) -{ - MachineClass *mc; - - mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; - - if (mc && mc->wakeup) { - mc->wakeup(current_machine); - } -} - -void qemu_system_guest_panicked(GuestPanicInformation *info) -{ - qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed"); - - if (current_cpu) { - current_cpu->crash_occurred = true; - } - qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, - !!info, info); - vm_stop(RUN_STATE_GUEST_PANICKED); - if (!no_shutdown) { - qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF, - !!info, info); - qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC); - } - - if (info) { - if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) { - qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64 - " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n", - info->u.hyper_v.arg1, - info->u.hyper_v.arg2, - info->u.hyper_v.arg3, - info->u.hyper_v.arg4, - info->u.hyper_v.arg5); - } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) { - qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n" - "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n", - info->u.s390.core, - S390CrashReason_str(info->u.s390.reason), - info->u.s390.psw_mask, - info->u.s390.psw_addr); - } - qapi_free_GuestPanicInformation(info); - } -} - -void qemu_system_guest_crashloaded(GuestPanicInformation *info) -{ - qemu_log_mask(LOG_GUEST_ERROR, "Guest crash loaded"); - - qapi_event_send_guest_crashloaded(GUEST_PANIC_ACTION_RUN, - !!info, info); - - if (info) { - qapi_free_GuestPanicInformation(info); - } -} - -void qemu_system_reset_request(ShutdownCause reason) -{ - if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { - shutdown_requested = reason; - } else { - reset_requested = reason; - } - 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(); -} - -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, Error **errp) -{ - trace_system_wakeup_request(reason); - - if (!runstate_check(RUN_STATE_SUSPENDED)) { - error_setg(errp, - "Unable to wake up: guest is not in suspended state"); - 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_register_wakeup_support(void) -{ - wakeup_suspend_enabled = true; -} - -bool qemu_wakeup_suspend_enabled(void) -{ - return wakeup_suspend_enabled; -} - -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 = SHUTDOWN_CAUSE_HOST_SIGNAL; - qemu_notify_event(); -} - -void qemu_system_shutdown_request(ShutdownCause reason) -{ - trace_qemu_system_shutdown_request(reason); - replay_shutdown_request(reason); - shutdown_requested = reason; - qemu_notify_event(); -} - -static void qemu_system_powerdown(void) -{ - qapi_event_send_powerdown(); - notifier_list_notify(&powerdown_notifiers, NULL); -} - -static void qemu_system_shutdown(ShutdownCause cause) -{ - qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause); - notifier_list_notify(&shutdown_notifiers, &cause); -} - -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_register_shutdown_notifier(Notifier *notifier) -{ - notifier_list_add(&shutdown_notifiers, notifier); -} - -void qemu_system_debug_request(void) -{ - debug_requested = 1; - qemu_notify_event(); -} - -static bool main_loop_should_exit(void) -{ - RunState r; - ShutdownCause request; - - if (preconfig_exit_requested) { - if (runstate_check(RUN_STATE_PRECONFIG)) { - runstate_set(RUN_STATE_PRELAUNCH); - } - preconfig_exit_requested = false; - return true; - } - if (qemu_debug_requested()) { - vm_stop(RUN_STATE_DEBUG); - } - if (qemu_suspend_requested()) { - qemu_system_suspend(); - } - request = qemu_shutdown_requested(); - if (request) { - qemu_kill_report(); - qemu_system_shutdown(request); - if (no_shutdown) { - vm_stop(RUN_STATE_SHUTDOWN); - } else { - return true; - } - } - request = qemu_reset_requested(); - if (request) { - pause_all_vcpus(); - qemu_system_reset(request); - resume_all_vcpus(); - /* - * runstate can change in pause_all_vcpus() - * as iothread mutex is unlocked - */ - if (!runstate_check(RUN_STATE_RUNNING) && - !runstate_check(RUN_STATE_INMIGRATE) && - !runstate_check(RUN_STATE_FINISH_MIGRATE)) { - runstate_set(RUN_STATE_PRELAUNCH); - } - } - if (qemu_wakeup_requested()) { - pause_all_vcpus(); - qemu_system_wakeup(); - notifier_list_notify(&wakeup_notifiers, &wakeup_reason); - wakeup_reason = QEMU_WAKEUP_REASON_NONE; - resume_all_vcpus(); - qapi_event_send_wakeup(); - } - if (qemu_powerdown_requested()) { - qemu_system_powerdown(); - } - if (qemu_vmstop_requested(&r)) { - vm_stop(r); - } - return false; -} - -static void main_loop(void) -{ -#ifdef CONFIG_PROFILER - int64_t ti; -#endif - while (!main_loop_should_exit()) { -#ifdef CONFIG_PROFILER - ti = profile_getclock(); -#endif - main_loop_wait(false); -#ifdef CONFIG_PROFILER - dev_time += profile_getclock() - ti; -#endif - } -} - -static void version(void) -{ - printf("QEMU emulator version " QEMU_FULL_VERSION "\n" - QEMU_COPYRIGHT "\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" - "\n" - QEMU_HELP_BOTTOM "\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 }, -}; - -typedef struct VGAInterfaceInfo { - const char *opt_name; /* option name */ - const char *name; /* human-readable name */ - /* Class names indicating that support is available. - * If no class is specified, the interface is always available */ - const char *class_names[2]; -} VGAInterfaceInfo; - -static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = { - [VGA_NONE] = { - .opt_name = "none", - .name = "no graphic card", - }, - [VGA_STD] = { - .opt_name = "std", - .name = "standard VGA", - .class_names = { "VGA", "isa-vga" }, - }, - [VGA_CIRRUS] = { - .opt_name = "cirrus", - .name = "Cirrus VGA", - .class_names = { "cirrus-vga", "isa-cirrus-vga" }, - }, - [VGA_VMWARE] = { - .opt_name = "vmware", - .name = "VMWare SVGA", - .class_names = { "vmware-svga" }, - }, - [VGA_VIRTIO] = { - .opt_name = "virtio", - .name = "Virtio VGA", - .class_names = { "virtio-vga" }, - }, - [VGA_QXL] = { - .opt_name = "qxl", - .name = "QXL VGA", - .class_names = { "qxl-vga" }, - }, - [VGA_TCX] = { - .opt_name = "tcx", - .name = "TCX framebuffer", - .class_names = { "SUNW,tcx" }, - }, - [VGA_CG3] = { - .opt_name = "cg3", - .name = "CG3 framebuffer", - .class_names = { "cgthree" }, - }, - [VGA_XENFB] = { - .opt_name = "xenfb", - .name = "Xen paravirtualized framebuffer", - }, -}; - -static bool vga_interface_available(VGAInterfaceType t) -{ - const VGAInterfaceInfo *ti = &vga_interfaces[t]; - - assert(t < VGA_TYPE_MAX); - return !ti->class_names[0] || - object_class_by_name(ti->class_names[0]) || - object_class_by_name(ti->class_names[1]); -} - -static const char * -get_default_vga_model(const MachineClass *machine_class) -{ - if (machine_class->default_display) { - return machine_class->default_display; - } else if (vga_interface_available(VGA_CIRRUS)) { - return "cirrus"; - } else if (vga_interface_available(VGA_STD)) { - return "std"; - } - - return NULL; -} - -static void select_vgahw(const MachineClass *machine_class, const char *p) -{ - const char *opts; - int t; - - if (g_str_equal(p, "help")) { - const char *def = get_default_vga_model(machine_class); - - for (t = 0; t < VGA_TYPE_MAX; t++) { - const VGAInterfaceInfo *ti = &vga_interfaces[t]; - - if (vga_interface_available(t) && ti->opt_name) { - printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "", - g_str_equal(ti->opt_name, def) ? " (default)" : ""); - } - } - exit(0); - } - - assert(vga_interface_type == VGA_NONE); - for (t = 0; t < VGA_TYPE_MAX; t++) { - const VGAInterfaceInfo *ti = &vga_interfaces[t]; - if (ti->opt_name && strstart(p, ti->opt_name, &opts)) { - if (!vga_interface_available(t)) { - error_report("%s not available", ti->name); - exit(1); - } - vga_interface_type = t; - break; - } - } - if (t == VGA_TYPE_MAX) { - 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 void parse_display_qapi(const char *optarg) -{ - DisplayOptions *opts; - Visitor *v; - - v = qobject_input_visitor_new_str(optarg, "type", &error_fatal); - - visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); - QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); - - qapi_free_DisplayOptions(opts); - visit_free(v); -} - -DisplayOptions *qmp_query_display_options(Error **errp) -{ - return QAPI_CLONE(DisplayOptions, &dpy); -} - -static void parse_display(const char *p) -{ - const char *opts; - - if (is_help_option(p)) { - qemu_display_help(); - exit(0); - } - - if (strstart(p, "sdl", &opts)) { - /* - * sdl DisplayType needs hand-crafted parser instead of - * parse_display_qapi() due to some options not in - * DisplayOptions, specifically: - * - frame - * Already deprecated. - * - ctrl_grab + alt_grab - * Not clear yet what happens to them long-term. Should - * replaced by something better or deprecated and dropped. - */ - dpy.type = DISPLAY_TYPE_SDL; - while (*opts) { - const char *nextopt; - - 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; - dpy.has_window_close = true; - if (strstart(opts, "on", &nextopt)) { - dpy.window_close = true; - } else if (strstart(opts, "off", &nextopt)) { - dpy.window_close = false; - } else { - goto invalid_sdl_args; - } - } else if (strstart(opts, ",show-cursor=", &nextopt)) { - opts = nextopt; - dpy.has_show_cursor = true; - if (strstart(opts, "on", &nextopt)) { - dpy.show_cursor = true; - } else if (strstart(opts, "off", &nextopt)) { - dpy.show_cursor = false; - } else { - goto invalid_sdl_args; - } - } else if (strstart(opts, ",gl=", &nextopt)) { - opts = nextopt; - dpy.has_gl = true; - if (strstart(opts, "on", &nextopt)) { - dpy.gl = DISPLAYGL_MODE_ON; - } else if (strstart(opts, "core", &nextopt)) { - dpy.gl = DISPLAYGL_MODE_CORE; - } else if (strstart(opts, "es", &nextopt)) { - dpy.gl = DISPLAYGL_MODE_ES; - } else if (strstart(opts, "off", &nextopt)) { - dpy.gl = DISPLAYGL_MODE_OFF; - } else { - goto invalid_sdl_args; - } - } else { - invalid_sdl_args: - error_report("invalid SDL option string"); - exit(1); - } - opts = nextopt; - } - } else if (strstart(p, "vnc", &opts)) { - /* - * vnc isn't a (local) DisplayType but a protocol for remote - * display access. - */ - if (*opts == '=') { - vnc_parse(opts + 1, &error_fatal); - } else { - error_report("VNC requires a display argument vnc=<display>"); - exit(1); - } - } else { - parse_display_qapi(p); - } -} - -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 void qemu_add_data_dir(const char *path) -{ - int i; - - if (path == NULL) { - return; - } - if (data_dir_idx == ARRAY_SIZE(data_dir)) { - return; - } - for (i = 0; i < data_dir_idx; i++) { - if (strcmp(data_dir[i], path) == 0) { - return; /* duplicate */ - } - } - data_dir[data_dir_idx++] = g_strdup(path); -} - -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; - FWCfgState *fw_cfg = (FWCfgState *) opaque; - - if (fw_cfg == NULL) { - error_setg(errp, "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_setg(errp, "invalid argument(s)"); - return -1; - } - if (nonempty_str(file) && nonempty_str(str)) { - error_setg(errp, "file and string are mutually exclusive"); - return -1; - } - if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { - error_setg(errp, "name too long (max. %d char)", - FW_CFG_MAX_FILE_PATH - 1); - return -1; - } - if (strncmp(name, "opt/", 4) != 0) { - warn_report("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 { - GError *err = NULL; - if (!g_file_get_contents(file, &buf, &size, &err)) { - error_setg(errp, "can't load %s: %s", file, err->message); - g_error_free(err); - return -1; - } - } - /* For legacy, keep user files in a specific global order. */ - fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER); - fw_cfg_add_file(fw_cfg, name, buf, size); - fw_cfg_reset_order_override(fw_cfg); - 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) -{ - DeviceState *dev; - - dev = qdev_device_add(opts, errp); - if (!dev && *errp) { - error_report_err(*errp); - return -1; - } else if (dev) { - object_unref(OBJECT(dev)); - } - return 0; -} - -static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - Error *local_err = NULL; - - if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) { - if (local_err) { - error_propagate(errp, local_err); - return -1; - } - exit(0); - } - return 0; -} - -#ifdef CONFIG_VIRTFS -static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - return qemu_fsdev_add(opts, errp); -} -#endif - -static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - return monitor_init_opts(opts, errp); -} - -static void monitor_parse(const char *optarg, const char *mode, bool pretty) -{ - static int monitor_device_index = 0; - QemuOpts *opts; - const char *p; - char label[32]; - - if (strstart(optarg, "chardev:", &p)) { - snprintf(label, sizeof(label), "%s", p); - } else { - snprintf(label, sizeof(label), "compat_monitor%d", - monitor_device_index); - opts = qemu_chr_parse_compat(label, optarg, true); - if (!opts) { - error_report("parse error: %s", optarg); - exit(1); - } - } - - opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal); - qemu_opt_set(opts, "mode", mode, &error_abort); - qemu_opt_set(opts, "chardev", label, &error_abort); - if (!strcmp(mode, "control")) { - qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); - } else { - assert(pretty == false); - } - monitor_device_index++; -} - -struct device_config { - enum { - DEV_USB, /* -usbdevice */ - DEV_SERIAL, /* -serial */ - DEV_PARALLEL, /* -parallel */ - 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) -{ - int index = num_serial_hds; - char label[32]; - - if (strcmp(devname, "none") == 0) - return 0; - snprintf(label, sizeof(label), "serial%d", index); - serial_hds = g_renew(Chardev *, serial_hds, index + 1); - - serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); - if (!serial_hds[index]) { - error_report("could not connect serial device" - " to character backend '%s'", devname); - return -1; - } - num_serial_hds++; - return 0; -} - -Chardev *serial_hd(int i) -{ - assert(i >= 0); - if (i < num_serial_hds) { - return serial_hds[i]; - } - return NULL; -} - -int serial_max_hds(void) -{ - return num_serial_hds; -} - -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_mux_mon(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 debugcon_parse(const char *devname) -{ - QemuOpts *opts; - - if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) { - error_report("invalid character backend '%s'", devname); - 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, GSList *machines) -{ - MachineClass *mc; - GSList *el; - - if (is_help_option(name)) { - 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%s\n", mc->name, mc->desc, - mc->is_default ? " (default)" : "", - mc->deprecation_reason ? " (deprecated)" : ""); - } - exit(0); - } - - mc = find_machine(name, machines); - if (!mc) { - error_report("unsupported machine type"); - error_printf("Use -machine help to list supported machines\n"); - exit(1); - } - return mc; -} - -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 const char *pid_file; -static Notifier qemu_unlink_pidfile_notifier; - -static void qemu_unlink_pidfile(Notifier *n, void *data) -{ - if (pid_file) { - unlink(pid_file); - } -} - -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); - } -} - -void qemu_remove_machine_init_done_notifier(Notifier *notify) -{ - notifier_remove(notify); -} - -static void qemu_run_machine_init_done_notifiers(void) -{ - machine_init_done = true; - notifier_list_notify(&machine_init_done_notifiers, NULL); -} - -static const QEMUOption *lookup_opt(int argc, char **argv, - const char **poptarg, int *poptind) -{ - const QEMUOption *popt; - int optind = *poptind; - char *r = argv[optind]; - const char *optarg; - - loc_set_cmdline(argv, optind, 1); - optind++; - /* Treat --foo the same as -foo. */ - if (r[1] == '-') - r++; - popt = qemu_options; - for(;;) { - if (!popt->name) { - error_report("invalid option"); - exit(1); - } - if (!strcmp(popt->name, r + 1)) - break; - popt++; - } - if (popt->flags & HAS_ARG) { - if (optind >= argc) { - error_report("requires an argument"); - exit(1); - } - optarg = argv[optind++]; - loc_set_cmdline(argv, optind - 2, 2); - } else { - optarg = NULL; - } - - *poptarg = optarg; - *poptind = optind; - - return popt; -} - -static MachineClass *select_machine(void) -{ - GSList *machines = object_class_get_list(TYPE_MACHINE, false); - MachineClass *machine_class = find_default_machine(machines); - 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, machines); - } - - if (!machine_class) { - 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); - g_slist_free(machines); - return machine_class; -} - -static int object_parse_property_opt(Object *obj, - const char *name, const char *value, - const char *skip, Error **errp) -{ - Error *local_err = NULL; - - if (g_str_equal(name, skip)) { - return 0; - } - - object_property_parse(obj, value, name, &local_err); - - if (local_err) { - error_propagate(errp, local_err); - return -1; - } - - return 0; -} - -static int machine_set_property(void *opaque, - const char *name, const char *value, - Error **errp) -{ - g_autofree char *qom_name = g_strdup(name); - char *p; - - for (p = qom_name; *p; p++) { - if (*p == '_') { - *p = '-'; - } - } - - /* Legacy options do not correspond to MachineState properties. */ - if (g_str_equal(qom_name, "accel")) { - return 0; - } - if (g_str_equal(qom_name, "igd-passthru")) { - object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value); - return 0; - } - if (g_str_equal(qom_name, "kvm-shadow-mem") || - g_str_equal(qom_name, "kernel-irqchip")) { - object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value); - return 0; - } - - return object_parse_property_opt(opaque, name, value, "type", errp); -} - -/* - * 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, QemuOpts *opts) -{ - if (user_creatable_print_help(type, opts)) { - exit(0); - } - - /* - * Objects should not be made "delayed" without a reason. If you - * add one, state the reason in a comment! - */ - - /* Reason: rng-egd property "chardev" */ - if (g_str_equal(type, "rng-egd")) { - return false; - } - -#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) - /* Reason: cryptodev-vhost-user property "chardev" */ - if (g_str_equal(type, "cryptodev-vhost-user")) { - return false; - } -#endif - - /* - * Reason: filter-* property "netdev" etc. - */ - if (g_str_equal(type, "filter-buffer") || - g_str_equal(type, "filter-dump") || - g_str_equal(type, "filter-mirror") || - g_str_equal(type, "filter-redirector") || - g_str_equal(type, "colo-compare") || - g_str_equal(type, "filter-rewriter") || - g_str_equal(type, "filter-replay")) { - return false; - } - - /* Memory allocation by backends needs to be done - * after configure_accelerator() (due to the tcg_enabled() - * checks at memory_region_init_*()). - * - * Also, allocation of large amounts of memory may delay - * chardev initialization for too long, and trigger timeouts - * on software that waits for a monitor socket to be created - * (e.g. libvirt). - */ - if (g_str_has_prefix(type, "memory-backend-")) { - 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, QemuOpts *opts) -{ - return !object_create_initial(type, opts); -} - - -static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size, - MachineClass *mc) -{ - uint64_t sz; - const char *mem_str; - const ram_addr_t default_ram_size = mc->default_ram_size; - QemuOpts *opts = qemu_find_opts_singleton("memory"); - Location loc; - - loc_push_none(&loc); - qemu_opts_loc_restore(opts); - - 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 *= MiB; - if (sz / MiB != 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; - - if (qemu_opt_get(opts, "maxmem")) { - 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 (slots && sz == ram_size) { - 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 (qemu_opt_get(opts, "slots")) { - error_report("invalid -m option value: missing 'maxmem' option"); - exit(EXIT_FAILURE); - } - - loc_pop(&loc); -} - -static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) -{ - GlobalProperty *g; - - g = g_malloc0(sizeof(*g)); - g->driver = qemu_opt_get(opts, "driver"); - g->property = qemu_opt_get(opts, "property"); - g->value = qemu_opt_get(opts, "value"); - qdev_prop_register_global(g); - return 0; -} - -static int qemu_read_default_config_file(void) -{ - int ret; - - ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf"); - if (ret < 0 && ret != -ENOENT) { - return ret; - } - - return 0; -} - -static void user_register_global_props(void) -{ - qemu_opts_foreach(qemu_find_opts("global"), - global_init_func, NULL, NULL); -} - -static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp) -{ - configure_icount(opts, errp); - return 0; -} - -static int accelerator_set_property(void *opaque, - const char *name, const char *value, - Error **errp) -{ - return object_parse_property_opt(opaque, name, value, "accel", errp); -} - -static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp) -{ - bool *p_init_failed = opaque; - const char *acc = qemu_opt_get(opts, "accel"); - AccelClass *ac = accel_find(acc); - AccelState *accel; - int ret; - - if (!ac) { - *p_init_failed = true; - error_report("invalid accelerator %s", acc); - return 0; - } - accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac))); - object_apply_compat_props(OBJECT(accel)); - qemu_opt_foreach(opts, accelerator_set_property, - accel, - &error_fatal); - - ret = accel_init_machine(accel, current_machine); - if (ret < 0) { - *p_init_failed = true; - error_report("failed to initialize %s: %s", - acc, strerror(-ret)); - return 0; - } - - return 1; -} - -static void configure_accelerators(const char *progname) -{ - const char *accel; - bool init_failed = false; - - qemu_opts_foreach(qemu_find_opts("icount"), - do_configure_icount, NULL, &error_fatal); - - accel = qemu_opt_get(qemu_get_machine_opts(), "accel"); - if (QTAILQ_EMPTY(&qemu_accel_opts.head)) { - char **accel_list, **tmp; - - if (accel == NULL) { - /* Select the default accelerator */ - bool have_tcg = accel_find("tcg"); - bool have_kvm = accel_find("kvm"); - - if (have_tcg && have_kvm) { - if (g_str_has_suffix(progname, "kvm")) { - /* If the program name ends with "kvm", we prefer KVM */ - accel = "kvm:tcg"; - } else { - accel = "tcg:kvm"; - } - } else if (have_kvm) { - accel = "kvm"; - } else if (have_tcg) { - accel = "tcg"; - } else { - error_report("No accelerator selected and" - " no default accelerator available"); - exit(1); - } - } - accel_list = g_strsplit(accel, ":", 0); - - for (tmp = accel_list; *tmp; tmp++) { - /* - * Filter invalid accelerators here, to prevent obscenities - * such as "-machine accel=tcg,,thread=single". - */ - if (accel_find(*tmp)) { - qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true); - } else { - init_failed = true; - error_report("invalid accelerator %s", *tmp); - } - } - g_strfreev(accel_list); - } else { - if (accel != NULL) { - error_report("The -accel and \"-machine accel=\" options are incompatible"); - exit(1); - } - } - - if (!qemu_opts_foreach(qemu_find_opts("accel"), - do_configure_accelerator, &init_failed, &error_fatal)) { - if (!init_failed) { - error_report("no accelerator found"); - } - exit(1); - } - - if (init_failed) { - AccelClass *ac = ACCEL_GET_CLASS(current_accel()); - error_report("falling back to %s", ac->name); - } - - if (use_icount && !(tcg_enabled() || qtest_enabled())) { - error_report("-icount is not allowed with hardware virtualization"); - exit(1); - } -} - -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; - QemuOpts *opts, *machine_opts; - QemuOpts *icount_opts = NULL, *accel_opts = NULL; - QemuOptsList *olist; - int optind; - const char *optarg; - const char *loadvm = NULL; - MachineClass *machine_class; - const char *cpu_option; - const char *vga_model = NULL; - const char *qtest_chrdev = NULL; - const char *qtest_log = NULL; - const char *incoming = NULL; - bool userconfig = true; - bool nographic = false; - int display_remote = 0; - const char *log_mask = NULL; - const char *log_file = NULL; - 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; - bool list_data_dirs = false; - char *dir, **dirs; - BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); - QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list); - - os_set_line_buffering(); - - error_init(argv[0]); - module_call_init(MODULE_INIT_TRACE); - - qemu_init_cpu_list(); - qemu_init_cpu_loop(); - - qemu_mutex_lock_iothread(); - - atexit(qemu_run_exit_notifiers); - 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_drive_opts(&bdrv_runtime_opts); - qemu_add_opts(&qemu_chardev_opts); - qemu_add_opts(&qemu_device_opts); - qemu_add_opts(&qemu_netdev_opts); - qemu_add_opts(&qemu_nic_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_plugin_add_opts(); - qemu_add_opts(&qemu_option_rom_opts); - qemu_add_opts(&qemu_machine_opts); - qemu_add_opts(&qemu_accel_opts); - qemu_add_opts(&qemu_mem_opts); - qemu_add_opts(&qemu_smp_opts); - qemu_add_opts(&qemu_boot_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_overcommit_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); - module_call_init(MODULE_INIT_OPTS); - - runstate_init(); - precopy_infrastructure_init(); - postcopy_infrastructure_init(); - monitor_init_globals(); - - if (qcrypto_init(&err) < 0) { - error_reportf_err(err, "cannot initialize crypto: "); - exit(1); - } - - QTAILQ_INIT(&vm_change_state_head); - os_setup_early_signal_handling(); - - cpu_option = NULL; - snapshot = 0; - - nb_nics = 0; - - bdrv_init_with_whitelist(); - - autostart = 1; - - /* first pass of option parsing */ - optind = 1; - while (optind < argc) { - if (argv[optind][0] != '-') { - /* disk image */ - optind++; - } else { - const QEMUOption *popt; - - popt = lookup_opt(argc, argv, &optarg, &optind); - switch (popt->index) { - case QEMU_OPTION_nouserconfig: - userconfig = false; - break; - } - } - } - - if (userconfig) { - if (qemu_read_default_config_file() < 0) { - exit(1); - } - } - - /* second pass of option parsing */ - optind = 1; - for(;;) { - if (optind >= argc) - break; - if (argv[optind][0] != '-') { - loc_set_cmdline(argv, optind, 1); - 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)) { - error_report("Option not supported for this target"); - exit(1); - } - switch(popt->index) { - case QEMU_OPTION_cpu: - /* hw initialization will check this */ - cpu_option = optarg; - break; - case QEMU_OPTION_hda: - 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_blockdev: - { - Visitor *v; - BlockdevOptionsQueueEntry *bdo; - - v = qobject_input_visitor_new_str(optarg, "driver", - &error_fatal); - - bdo = g_new(BlockdevOptionsQueueEntry, 1); - visit_type_BlockdevOptions(v, NULL, &bdo->bdo, - &error_fatal); - visit_free(v); - loc_save(&bdo->loc); - QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry); - 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: - { - Error *blocker = NULL; - snapshot = 1; - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, - "-snapshot"); - replay_add_blocker(blocker); - } - 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: - parse_display(optarg); - break; - case QEMU_OPTION_nographic: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "graphics=off", false); - nographic = true; - dpy.type = DISPLAY_TYPE_NONE; - break; - case QEMU_OPTION_curses: -#ifdef CONFIG_CURSES - dpy.type = DISPLAY_TYPE_CURSES; -#else - error_report("curses or iconv 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: - default_net = 0; - if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { - exit(1); - } - break; - case QEMU_OPTION_nic: - default_net = 0; - if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) { - exit(1); - } - break; - case QEMU_OPTION_net: - default_net = 0; - 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 - case QEMU_OPTION_audio_help: - audio_legacy_help(); - exit (0); - break; - case QEMU_OPTION_audiodev: - audio_parse_option(optarg); - 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_DFILTER: - qemu_set_dfilter_ranges(optarg, &error_fatal); - break; - case QEMU_OPTION_seed: - qemu_guest_random_seed_main(optarg, &error_fatal); - 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 (is_help_option(optarg)) { - list_data_dirs = true; - } else { - qemu_add_data_dir(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_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 != 1 && depth != 2 && depth != 4 && - 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, *path, *security_model, - *multidevs; - - 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_opts_id(opts) ?: - qemu_opt_get(opts, "mount_tag"), - 1, NULL); - if (!fsdev) { - error_report("duplicate or invalid 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); - path = qemu_opt_get(opts, "path"); - if (path) { - qemu_opt_set(fsdev, "path", path, &error_abort); - } - security_model = qemu_opt_get(opts, "security_model"); - if (security_model) { - qemu_opt_set(fsdev, "security_model", 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); - multidevs = qemu_opt_get(opts, "multidevs"); - if (multidevs) { - qemu_opt_set(fsdev, "multidevs", multidevs, &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_opts_id(fsdev), &error_abort); - qemu_opt_set(device, "mount_tag", - qemu_opt_get(opts, "mount_tag"), &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_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: - dpy.has_full_screen = true; - dpy.full_screen = true; - break; - case QEMU_OPTION_alt_grab: - alt_grab = 1; - break; - case QEMU_OPTION_ctrl_grab: - ctrl_grab = 1; - break; - case QEMU_OPTION_no_quit: - dpy.has_window_close = true; - dpy.window_close = false; - break; - case QEMU_OPTION_sdl: -#ifdef CONFIG_SDL - dpy.type = DISPLAY_TYPE_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_acpitable: - opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"), - optarg, true); - if (!opts) { - exit(1); - } - acpi_table_add(opts, &error_fatal); - break; - case QEMU_OPTION_smbios: - opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"), - optarg, false); - if (!opts) { - exit(1); - } - smbios_entry_add(opts, &error_fatal); - 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_preconfig: - preconfig_exit_requested = false; - 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_accel: - accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"), - optarg, true); - optarg = qemu_opt_get(accel_opts, "accel"); - if (!optarg || is_help_option(optarg)) { - printf("Accelerators supported in QEMU binary:\n"); - GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL, - false); - for (el = accel_list; el; el = el->next) { - gchar *typename = g_strdup(object_class_get_name( - OBJECT_CLASS(el->data))); - /* omit qtest which is used for tests only */ - if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) && - g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) { - gchar **optname = g_strsplit(typename, - ACCEL_CLASS_SUFFIX, 0); - printf("%s\n", optname[0]); - g_strfreev(optname); - } - g_free(typename); - } - g_slist_free(accel_list); - exit(0); - } - if (optarg && strchr(optarg, ':')) { - error_report("Don't use ':' with -accel, " - "use -M accel=... for now instead"); - exit(1); - } - break; - case QEMU_OPTION_usb: - olist = qemu_find_opts("machine"); - qemu_opts_parse_noisily(olist, "usb=on", false); - break; - case QEMU_OPTION_usbdevice: - error_report("'-usbdevice' is deprecated, please use " - "'-device usb-...' instead"); - 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: - vnc_parse(optarg, &error_fatal); - break; - case QEMU_OPTION_no_acpi: - acpi_enabled = 0; - break; - case QEMU_OPTION_no_hpet: - no_hpet = 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: - warn_report("The -show-cursor option is deprecated, " - "use -display {sdl,gtk},show-cursor=on instead"); - dpy.has_show_cursor = true; - dpy.show_cursor = true; - 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: - qemu_semihosting_enable(); - break; - case QEMU_OPTION_semihosting_config: - if (qemu_semihosting_config_options(optarg) != 0) { - exit(1); - } - 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_rtc: - opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg, - false); - if (!opts) { - exit(1); - } - break; - case QEMU_OPTION_tb_size: -#ifndef CONFIG_TCG - error_report("TCG is disabled"); - exit(1); -#endif - warn_report("The -tb-size option is deprecated, use -accel tcg,tb-size instead"); - object_register_sugar_prop(ACCEL_CLASS_NAME("tcg"), "tb-size", optarg); - 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_only_migratable: - only_migratable = 1; - break; - case QEMU_OPTION_nodefaults: - has_defaults = 0; - break; - case QEMU_OPTION_xen_domid: - if (!(xen_available())) { - error_report("Option not supported for this target"); - exit(1); - } - xen_domid = atoi(optarg); - break; - case QEMU_OPTION_xen_attach: - if (!(xen_available())) { - error_report("Option not supported for this target"); - exit(1); - } - xen_mode = XEN_ATTACH; - break; - case QEMU_OPTION_xen_domid_restrict: - if (!(xen_available())) { - error_report("Option not supported for this target"); - exit(1); - } - xen_domid_restrict = true; - break; - case QEMU_OPTION_trace: - g_free(trace_file); - trace_file = trace_opt_parse(optarg); - break; - case QEMU_OPTION_plugin: - qemu_plugin_opt_parse(optarg, &plugin_list); - 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: - olist = qemu_find_opts("sandbox"); - if (!olist) { -#ifndef CONFIG_SECCOMP - error_report("-sandbox support is not enabled " - "in this QEMU binary"); -#endif - exit(1); - } - - opts = qemu_opts_parse_noisily(olist, 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: - warn_report("'-realtime mlock=...' is deprecated, please use " - "'-overcommit mem-lock=...' instead"); - opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"), - optarg, false); - if (!opts) { - exit(1); - } - /* Don't override the -overcommit option if set */ - enable_mlock = enable_mlock || - qemu_opt_get_bool(opts, "mlock", true); - break; - case QEMU_OPTION_overcommit: - opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"), - optarg, false); - if (!opts) { - exit(1); - } - /* Don't override the -realtime option if set */ - enable_mlock = enable_mlock || - qemu_opt_get_bool(opts, "mem-lock", false); - enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false); - 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; - case QEMU_OPTION_enable_sync_profile: - qsp_enable(); - break; - case QEMU_OPTION_nouserconfig: - /* Nothing to be parsed here. Especially, do not error out below. */ - break; - default: - if (os_parse_cmd_args(popt->index, optarg)) { - error_report("Option not supported in this build"); - exit(1); - } - } - } - } - /* - * Clear error location left behind by the loop. - * Best done right after the loop. Do not insert code here! - */ - loc_set_none(); - - user_register_global_props(); - - replay_configure(icount_opts); - - if (incoming && !preconfig_exit_requested) { - error_report("'preconfig' and 'incoming' options are " - "mutually exclusive"); - exit(EXIT_FAILURE); - } - - configure_rtc(qemu_find_opts_singleton("rtc")); - - machine_class = select_machine(); - object_set_machine_compat_props(machine_class->compat_props); - - set_memory_options(&ram_slots, &maxram_size, machine_class); - - os_daemonize(); - rcu_disable_atfork(); - - if (pid_file && !qemu_write_pidfile(pid_file, &err)) { - error_reportf_err(err, "cannot create PID file: "); - exit(1); - } - - qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile; - qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier); - - if (qemu_init_main_loop(&main_loop_err)) { - error_report_err(main_loop_err); - exit(1); - } - -#ifdef CONFIG_SECCOMP - olist = qemu_find_opts_err("sandbox", NULL); - if (olist) { - qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal); - } -#endif - - qemu_opts_foreach(qemu_find_opts("name"), - parse_name, NULL, &error_fatal); - -#ifndef _WIN32 - qemu_opts_foreach(qemu_find_opts("add-fd"), - parse_add_fd, NULL, &error_fatal); - - qemu_opts_foreach(qemu_find_opts("add-fd"), - cleanup_add_fd, NULL, &error_fatal); -#endif - - current_machine = MACHINE(object_new_with_class(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); - object_property_add_child(container_get(OBJECT(current_machine), - "/unattached"), - "sysbus", OBJECT(sysbus_get_default()), - NULL); - - if (machine_class->minimum_page_bits) { - if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) { - /* This would be a board error: specifying a minimum smaller than - * a target's compile-time fixed setting. - */ - g_assert_not_reached(); - } - } - - cpu_exec_init_all(); - - if (machine_class->hw_version) { - qemu_set_hw_version(machine_class->hw_version); - } - - if (cpu_option && is_help_option(cpu_option)) { - list_cpus(cpu_option); - exit(0); - } - - if (!trace_init_backends()) { - exit(1); - } - trace_init_file(trace_file); - - /* Open the logfile at this point and set the log mask if necessary. - */ - qemu_set_log_filename(log_file, &error_fatal); - 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); - } else { - qemu_set_log(0); - } - - /* add configured firmware directories */ - dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0); - for (i = 0; dirs[i] != NULL; i++) { - qemu_add_data_dir(dirs[i]); - } - g_strfreev(dirs); - - /* try to find datadir relative to the executable path */ - dir = os_find_datadir(); - qemu_add_data_dir(dir); - g_free(dir); - - /* add the datadir specified when building */ - qemu_add_data_dir(CONFIG_QEMU_DATADIR); - - /* -L help lists the data directories and exits. */ - if (list_data_dirs) { - for (i = 0; i < data_dir_idx; i++) { - printf("%s\n", data_dir[i]); - } - exit(0); - } - - /* machine_class: default to UP */ - machine_class->max_cpus = machine_class->max_cpus ?: 1; - machine_class->min_cpus = machine_class->min_cpus ?: 1; - machine_class->default_cpus = machine_class->default_cpus ?: 1; - - /* default to machine_class->default_cpus */ - current_machine->smp.cpus = machine_class->default_cpus; - current_machine->smp.max_cpus = machine_class->default_cpus; - current_machine->smp.cores = 1; - current_machine->smp.threads = 1; - - machine_class->smp_parse(current_machine, - qemu_opts_find(qemu_find_opts("smp-opts"), NULL)); - - /* sanity-check smp_cpus and max_cpus against machine_class */ - if (current_machine->smp.cpus < machine_class->min_cpus) { - error_report("Invalid SMP CPUs %d. The min CPUs " - "supported by machine '%s' is %d", - current_machine->smp.cpus, - machine_class->name, machine_class->min_cpus); - exit(1); - } - if (current_machine->smp.max_cpus > machine_class->max_cpus) { - error_report("Invalid SMP CPUs %d. The max CPUs " - "supported by machine '%s' is %d", - current_machine->smp.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); - } - - /* process plugin before CPUs are created, but once -smp has been parsed */ - if (qemu_plugin_load_list(&plugin_list)) { - exit(1); - } - - 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->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()) { - if (!preconfig_exit_requested) { - error_report("'preconfig' and 'daemonize' options are " - "mutually exclusive"); - exit(EXIT_FAILURE); - } - - /* 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 (nographic - && (default_parallel || default_serial || default_monitor)) { - error_report("-nographic cannot be used with -daemonize"); - exit(1); - } -#ifdef CONFIG_CURSES - if (dpy.type == DISPLAY_TYPE_CURSES) { - error_report("curses display cannot be used with -daemonize"); - exit(1); - } -#endif - } - - if (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_serial) - add_device_config(DEV_SERIAL, "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 defined(CONFIG_VNC) - if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) { - display_remote++; - } -#endif - if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) { - if (!qemu_display_find_default(&dpy)) { - dpy.type = DISPLAY_TYPE_NONE; -#if defined(CONFIG_VNC) - vnc_parse("localhost:0,to=99,id=default", &error_abort); -#endif - } - } - if (dpy.type == DISPLAY_TYPE_DEFAULT) { - dpy.type = DISPLAY_TYPE_NONE; - } - - if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) { - error_report("-alt-grab and -ctrl-grab are only valid " - "for SDL, ignoring option"); - } - if (dpy.has_window_close && - (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) { - error_report("-no-quit is only valid for GTK and SDL, " - "ignoring option"); - } - - qemu_display_early_init(&dpy); - qemu_console_early_init(); - - if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && 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(); - - qemu_opts_foreach(qemu_find_opts("object"), - user_creatable_add_opts_foreach, - object_create_initial, &error_fatal); - - qemu_opts_foreach(qemu_find_opts("chardev"), - chardev_init_func, NULL, &error_fatal); - /* now chardevs have been created we may have semihosting to connect */ - qemu_semihosting_connect_chardevs(); - -#ifdef CONFIG_VIRTFS - qemu_opts_foreach(qemu_find_opts("fsdev"), - fsdev_init_func, NULL, &error_fatal); -#endif - - if (qemu_opts_foreach(qemu_find_opts("device"), - device_help_func, NULL, NULL)) { - exit(0); - } - - /* - * Note: we need to create block backends before - * machine_set_property(), so machine properties can refer to - * them. - */ - configure_blockdev(&bdo_queue, machine_class, snapshot); - - machine_opts = qemu_get_machine_opts(); - qemu_opt_foreach(machine_opts, machine_set_property, current_machine, - &error_fatal); - current_machine->ram_size = ram_size; - current_machine->maxram_size = maxram_size; - current_machine->ram_slots = ram_slots; - - /* - * Note: uses machine properties such as kernel-irqchip, must run - * after machine_set_property(). - */ - configure_accelerators(argv[0]); - - /* - * Beware, QOM objects created before this point miss global and - * compat properties. - * - * Global properties get set up by qdev_prop_register_global(), - * called from user_register_global_props(), and certain option - * desugaring. Also in CPU feature desugaring (buried in - * parse_cpu_option()), which happens below this point, but may - * only target the CPU type, which can only be created after - * parse_cpu_option() returned the type. - * - * Machine compat properties: object_set_machine_compat_props(). - * Accelerator compat props: object_set_accelerator_compat_props(), - * called from configure_accelerator(). - */ - - if (!qtest_enabled() && machine_class->deprecation_reason) { - error_report("Machine type '%s' is deprecated: %s", - machine_class->name, machine_class->deprecation_reason); - } - - /* - * Note: creates a QOM object, must run only after global and - * compat properties have been set up. - */ - migration_object_init(); - - if (qtest_chrdev) { - qtest_server_init(qtest_chrdev, qtest_log, &error_fatal); - } - - 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) { - boot_order = qemu_opt_get(opts, "order"); - if (boot_order) { - validate_bootdevices(boot_order, &error_fatal); - } - - boot_once = qemu_opt_get(opts, "once"); - if (boot_once) { - validate_bootdevices(boot_once, &error_fatal); - } - - 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 (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) { - /* fall back to the -kernel/-append */ - semihosting_arg_fallback(kernel_filename, kernel_cmdline); - } - - /* spice needs the timers to be initialized by this point */ - qemu_spice_init(); - - cpu_ticks_init(); - - if (default_net) { - QemuOptsList *net = qemu_find_opts("net"); - qemu_opts_set(net, NULL, "type", "nic", &error_abort); -#ifdef CONFIG_SLIRP - qemu_opts_set(net, NULL, "type", "user", &error_abort); -#endif - } - - if (net_init_clients(&err) < 0) { - error_report_err(err); - exit(1); - } - - qemu_opts_foreach(qemu_find_opts("object"), - user_creatable_add_opts_foreach, - object_create_delayed, &error_fatal); - - tpm_init(); - - 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(); - dirty_bitmap_mig_init(); - - qemu_opts_foreach(qemu_find_opts("mon"), - mon_init_func, NULL, &error_fatal); - - /* connect semihosting console input if requested */ - qemu_semihosting_console_init(); - - 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_DEBUGCON, debugcon_parse) < 0) - exit(1); - - /* If no default VGA is requested, the default is "none". */ - if (default_vga) { - vga_model = get_default_vga_model(machine_class); - } - if (vga_model) { - select_vgahw(machine_class, vga_model); - } - - if (watchdog) { - i = select_watchdog(watchdog); - if (i > 0) - exit (i == 1 ? 1 : 0); - } - - /* 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->boot_order = boot_order; - - /* parse features once if machine provides default cpu_type */ - current_machine->cpu_type = machine_class->default_cpu_type; - if (cpu_option) { - current_machine->cpu_type = parse_cpu_option(cpu_option); - } - parse_numa_opts(current_machine); - - /* do monitor/qmp handling at preconfig state if requested */ - main_loop(); - - audio_init_audiodevs(); - - /* from here on runstate is RUN_STATE_PRELAUNCH */ - machine_run_board_init(current_machine); - - realtime_init(); - - soundhw_init(); - - if (hax_enabled()) { - hax_sync_vcpus(); - } - - qemu_opts_foreach(qemu_find_opts("fw_cfg"), - parse_fw_cfg, fw_cfg_find(), &error_fatal); - - /* init USB devices */ - if (machine_usb(current_machine)) { - if (foreach_device_config(DEV_USB, usb_parse) < 0) - exit(1); - } - - /* init generic devices */ - rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE); - qemu_opts_foreach(qemu_find_opts("device"), - device_init_func, NULL, &error_fatal); - - cpu_synchronize_all_post_init(); - - rom_reset_order_override(); - - /* Did we create any drives that we failed to create a device for? */ - drive_check_orphaned(); - - /* Don't warn about the default network setup that you get if - * no command line -net or -netdev options are specified. There - * are two cases that we would otherwise complain about: - * (1) board doesn't support a NIC but the implicit "-net nic" - * requested one - * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" - * sets up a nic that isn't connected to anything. - */ - if (!default_net && (!qtest_enabled() || has_defaults)) { - net_check_clients(); - } - - if (boot_once) { - qemu_boot_set(boot_once, &error_fatal); - qemu_register_reset(restore_boot_order, g_strdup(boot_order)); - } - - /* init local displays */ - ds = init_displaystate(); - qemu_display_init(ds, &dpy); - - /* must be after terminal init, SDL library changes signal handlers */ - os_setup_signal_handling(); - - /* init remote displays */ -#ifdef CONFIG_VNC - qemu_opts_foreach(qemu_find_opts("vnc"), - vnc_init_func, NULL, &error_fatal); -#endif - - if (using_spice) { - qemu_spice_display_init(); - } - - 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 */ - /* - * TODO: If we had a main 'reset container' that the whole system - * lived in, we could reset that using the multi-phase reset - * APIs. For the moment, we just reset the sysbus, which will cause - * all devices hanging off it (and all their child buses, recursively) - * to be reset. Note that this will *not* reset any Device objects - * which are not attached to some part of the qbus tree! - */ - qemu_register_reset(resettable_cold_reset_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(SHUTDOWN_CAUSE_NONE); - register_global_state(); - if (loadvm) { - Error *local_err = NULL; - if (load_snapshot(loadvm, &local_err) < 0) { - error_report_err(local_err); - autostart = 0; - exit(1); - } - } - if (replay_mode != REPLAY_MODE_NONE) { - replay_vmstate_init(); - } - - 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_reportf_err(local_err, "-incoming %s: ", incoming); - exit(1); - } - } else if (autostart) { - vm_start(); - } - - accel_setup_post(current_machine); - os_setup_post(); - - main_loop(); - - gdbserver_cleanup(); - - /* - * cleaning up the migration object cancels any existing migration - * try to do this early so that it also stops using devices. - */ - migration_shutdown(); - - /* - * We must cancel all block jobs while the block layer is drained, - * or cancelling will be affected by throttling and thus may block - * for an extended period of time. - * vm_shutdown() will bdrv_drain_all(), so we may as well include - * it in the drained section. - * We do not need to end this section, because we do not want any - * requests happening from here on anyway. - */ - bdrv_drain_all_begin(); - - /* No more vcpu or device emulation activity beyond this point */ - vm_shutdown(); - replay_finish(); - - job_cancel_sync_all(); - bdrv_close_all(); - - res_free(); - - /* vhost-user must be cleaned up before chardevs. */ - tpm_cleanup(); - net_cleanup(); - audio_cleanup(); - monitor_cleanup(); - qemu_chr_cleanup(); - user_creatable_cleanup(); - /* TODO: unref root container, check all devices are ok */ - - return 0; -} |