efi_loader: EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES
Implement the EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES event group
handling.
Add the definition of EFI_EVENT_GROUP_AFTER_READY_TO_BOOT.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 1823990..6fdd0ef 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -71,6 +71,9 @@
/* event group ExitBootServices() invoked */
const efi_guid_t efi_guid_event_group_exit_boot_services =
EFI_EVENT_GROUP_EXIT_BOOT_SERVICES;
+/* event group before ExitBootServices() invoked */
+const efi_guid_t efi_guid_event_group_before_exit_boot_services =
+ EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES;
/* event group SetVirtualAddressMap() invoked */
const efi_guid_t efi_guid_event_group_virtual_address_change =
EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE;
@@ -2123,6 +2126,16 @@
if (!systab.boottime)
goto out;
+ /* Notify EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES event group. */
+ list_for_each_entry(evt, &efi_events, link) {
+ if (evt->group &&
+ !guidcmp(evt->group,
+ &efi_guid_event_group_before_exit_boot_services)) {
+ efi_signal_event(evt);
+ break;
+ }
+ }
+
/* Stop all timer related activities */
timers_enabled = false;