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efi_loader: add return to efibootmgr event group

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When the image loaded by efibootmgr returns, efibootmgr
needs to clean the resources. Adding the event of returning
to efibootmgr is useful to simplify the implementation.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Masahisa Kojima 2023-11-10 13:25:39 +09:00 • committed by Ilias Apalodimas
parent e23c8e81eb
commit e0d1a1ea68
4 changed files with 20 additions and 0 deletions
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3
lib/efi_loader/efi_boottime.c
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@ -90,6 +90,9 @@ const efi_guid_t efi_guid_event_group_ready_to_boot =
/* event group ResetSystem() invoked (before ExitBootServices) */
const efi_guid_t efi_guid_event_group_reset_system =
EFI_EVENT_GROUP_RESET_SYSTEM;
/* event group return to efibootmgr */
const efi_guid_t efi_guid_event_group_return_to_efibootmgr =
EFI_EVENT_GROUP_RETURN_TO_EFIBOOTMGR;
/* GUIDs of the Load File and Load File2 protocols */
const efi_guid_t efi_guid_load_file_protocol = EFI_LOAD_FILE_PROTOCOL_GUID;
const efi_guid_t efi_guid_load_file2_protocol = EFI_LOAD_FILE2_PROTOCOL_GUID;