EFI_OS_INDICATIONS_BOOT_TO_FW_UI
if (!os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
ret = os_indications_set(EFI_OS_INDICATIONS_BOOT_TO_FW_UI,
if (os_indication_supported(EFI_OS_INDICATIONS_BOOT_TO_FW_UI)) {
(os_indications() & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0;