config EFI_LOADER bool "Support running UEFI applications" depends on OF_LIBFDT && ( \ ARM && (SYS_CPU = arm1136 || \ SYS_CPU = arm1176 || \ SYS_CPU = armv7 || \ SYS_CPU = armv8) || \ X86 || RISCV || SANDBOX) # We need EFI_STUB_64BIT to be set on x86_64 with EFI_STUB depends on !EFI_STUB || !X86_64 || EFI_STUB_64BIT # We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT depends on BLK depends on !EFI_APP default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8 select CHARSET # We need to send DM events, dynamically, in the EFI block driver select DM_EVENT select EVENT_DYNAMIC select LIB_UUID imply PARTITION_UUIDS select REGEX imply FAT imply FAT_WRITE imply USB_KEYBOARD_FN_KEYS imply VIDEO_ANSI help Select this option if you want to run UEFI applications (like GNU GRUB or iPXE) on top of U-Boot. If this option is enabled, U-Boot will expose the UEFI API to a loaded application, enabling it to reuse U-Boot's device drivers. if EFI_LOADER config EFI_BINARY_EXEC bool "Execute UEFI binary" default y help Select this option if you want to execute the UEFI binary after loading it with U-Boot load commands or other methods. You may enable CMD_BOOTEFI_BINARY so that you can use bootefi command to do that. config EFI_BOOTMGR bool "UEFI Boot Manager" default y help Select this option if you want to select the UEFI binary to be booted via UEFI variables Boot####, BootOrder, and BootNext. You should also normally enable CMD_BOOTEFI_BOOTMGR so that the command is available. choice prompt "Store for non-volatile UEFI variables" default EFI_VARIABLE_FILE_STORE help Select where non-volatile UEFI variables shall be stored. config EFI_VARIABLE_FILE_STORE bool "Store non-volatile UEFI variables as file" depends on FAT_WRITE help Select this option if you want non-volatile UEFI variables to be stored as file /ubootefi.var on the EFI system partition. config EFI_RT_VOLATILE_STORE bool "Allow variable runtime services in volatile storage (e.g RAM)" depends on EFI_VARIABLE_FILE_STORE help When EFI variables are stored on file we don't allow SetVariableRT, since the OS doesn't know how to write that file. At he same time we copy runtime variables in DRAM and support GetVariableRT Enable this option to allow SetVariableRT on the RAM backend of the EFI variable storage. The OS will be responsible for syncing the RAM contents to the file, otherwise any changes made during runtime won't persist reboots. Authenticated variables are not supported. Note that this will violate the EFI spec since writing auth variables will return EFI_INVALID_PARAMETER config EFI_MM_COMM_TEE bool "UEFI variables storage service via the trusted world" depends on OPTEE help Allowing access to the MM SP services (SPs such as StandAlonneMM, smm-gateway). When using the u-boot OP-TEE driver, StandAlonneMM is supported. When using the u-boot FF-A driver any MM SP is supported. If OP-TEE is present and running StandAloneMM, dispatch all UEFI variable related operations to that. The application will verify, authenticate and store the variables on an RPMB. When ARM_FFA_TRANSPORT is used, dispatch all UEFI variable related operations to the MM SP running in the secure world. A door bell mechanism is used to notify the SP when there is data in the shared MM buffer. The data is copied by u-boot to the shared buffer before issuing the door bell event. config FFA_SHARED_MM_BUF_SIZE int "Memory size of the shared MM communication buffer" depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT help This defines the size in bytes of the memory area reserved for the shared buffer used for communication between the MM feature in U-Boot and the MM SP in secure world. The size of the memory region must be a multiple of the size of the maximum translation granule size that is specified in the ID_AA64MMFR0_EL1 System register. It is assumed that the MM SP knows the size of the shared MM communication buffer. config FFA_SHARED_MM_BUF_OFFSET int "Data offset in the shared MM communication buffer" depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT help This defines the offset in bytes of the data read or written to in the shared buffer by the MM SP. config FFA_SHARED_MM_BUF_ADDR hex "Define the address of the shared MM communication buffer" depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT help This defines the address of the shared MM communication buffer used for communication between the MM feature in U-Boot and the MM SP in secure world. It is assumed that the MM SP knows the address of the shared MM communication buffer. config EFI_VARIABLE_NO_STORE bool "Don't persist non-volatile UEFI variables" help If you choose this option, non-volatile variables cannot be persisted. You could still provide non-volatile variables via EFI_VARIABLES_PRESEED. endchoice config EFI_VARIABLES_PRESEED bool "Initial values for UEFI variables" depends on !EFI_MM_COMM_TEE help Include a file with the initial values for non-volatile UEFI variables into the U-Boot binary. If this configuration option is set, changes to authentication related variables (PK, KEK, db, dbx) are not allowed. if EFI_VARIABLES_PRESEED config EFI_VAR_SEED_FILE string "File with initial values of non-volatile UEFI variables" default "ubootefi.var" help File with initial values of non-volatile UEFI variables. The file must be in the same format as the storage in the EFI system partition. The easiest way to create it is by setting the non-volatile variables in U-Boot. If a relative file path is used, it is relative to the source directory. endif config EFI_VAR_BUF_SIZE int "Memory size of the UEFI variable store" default 131072 range 4096 2147483647 help This defines the size in bytes of the memory area reserved for keeping UEFI variables. When using StandAloneMM (CONFIG_EFI_MM_COMM_TEE=y) is used the available size for storing variables is defined in PcdFlashNvStorageVariableSize. That value is probed at runtime from U-Boot. In that case, EFI_VAR_BUF_SIZE represents the memory U-Boot reserves to present runtime variables to the OS. Minimum 4096, default 131072 config EFI_GET_TIME bool "GetTime() runtime service" depends on DM_RTC default y help Provide the GetTime() runtime service at boottime. This service can be used by an EFI application to read the real time clock. config EFI_SET_TIME bool "SetTime() runtime service" depends on EFI_GET_TIME default y if ARCH_QEMU || SANDBOX help Provide the SetTime() runtime service at boottime. This service can be used by an EFI application to adjust the real time clock. config EFI_SCROLL_ON_CLEAR_SCREEN bool "Avoid overwriting previous output on clear screen" help Instead of erasing the screen content when the console screen should be cleared, emit blank new lines so that previous output is scrolled out of sight rather than overwritten. On serial consoles this allows to capture complete boot logs (except for interactive menus etc.) and can ease debugging related issues. config EFI_HAVE_CAPSULE_SUPPORT bool config EFI_RUNTIME_UPDATE_CAPSULE bool "UpdateCapsule() runtime service" select EFI_HAVE_CAPSULE_SUPPORT help Select this option if you want to use UpdateCapsule and QueryCapsuleCapabilities API's. config EFI_CAPSULE_ON_DISK bool "Enable capsule-on-disk support" depends on SYSRESET select EFI_HAVE_CAPSULE_SUPPORT help Select this option if you want to use capsule-on-disk feature, that is, capsules can be fetched and executed from files under a specific directory on UEFI system partition instead of via UpdateCapsule API. config EFI_IGNORE_OSINDICATIONS bool "Ignore OsIndications for CapsuleUpdate on-disk" depends on EFI_CAPSULE_ON_DISK help There are boards where U-Boot does not support SetVariable at runtime. Select this option if you want to use the capsule-on-disk feature without setting the EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED flag in variable OsIndications. config EFI_CAPSULE_ON_DISK_EARLY bool "Initiate capsule-on-disk at U-Boot boottime" depends on EFI_CAPSULE_ON_DISK help Normally, without this option enabled, capsules will be executed only at the first time of invoking one of efi command. If this option is enabled, capsules will be enforced to be executed as part of U-Boot initialisation so that they will surely take place whatever is set to distro_bootcmd. config EFI_CAPSULE_FIRMWARE bool config EFI_CAPSULE_FIRMWARE_MANAGEMENT bool "Capsule: Firmware Management Protocol" depends on EFI_HAVE_CAPSULE_SUPPORT default y help Select this option if you want to enable capsule-based firmware update using Firmware Management Protocol. config EFI_CAPSULE_FIRMWARE_FIT bool "FMP driver for FIT images" depends on FIT depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT select UPDATE_FIT select DFU select SET_DFU_ALT_INFO select EFI_CAPSULE_FIRMWARE help Select this option if you want to enable firmware management protocol driver for FIT image config EFI_CAPSULE_FIRMWARE_RAW bool "FMP driver for raw images" depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT depends on SANDBOX || (!SANDBOX && !EFI_CAPSULE_FIRMWARE_FIT) select DFU_WRITE_ALT select DFU select SET_DFU_ALT_INFO select EFI_CAPSULE_FIRMWARE help Select this option if you want to enable firmware management protocol driver for raw image config EFI_CAPSULE_AUTHENTICATE bool "Update Capsule authentication" depends on EFI_CAPSULE_FIRMWARE depends on EFI_CAPSULE_ON_DISK depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT select HASH select SHA256 select RSA select RSA_VERIFY select RSA_VERIFY_WITH_PKEY select X509_CERTIFICATE_PARSER select PKCS7_MESSAGE_PARSER select PKCS7_VERIFY select IMAGE_SIGN_INFO select EFI_SIGNATURE_SUPPORT help Select this option if you want to enable capsule authentication config EFI_CAPSULE_MAX int "Max value for capsule index" default 15 range 0 65535 help Select the max capsule index value used for capsule report variables. This value is used to create CapsuleMax variable. config EFI_CAPSULE_ESL_FILE string "Path to the EFI Signature List File" depends on EFI_CAPSULE_AUTHENTICATE help Provides the path to the EFI Signature List file which will be embedded in the platform's device tree and used for capsule authentication at the time of capsule update. config EFI_DEVICE_PATH_TO_TEXT bool "Device path to text protocol" default y help The device path to text protocol converts device nodes and paths to human readable strings. config EFI_DEVICE_PATH_UTIL bool "Device path utilities protocol" default y help The device path utilities protocol creates and manipulates device paths and device nodes. It is required to run the EFI Shell. config EFI_DT_FIXUP bool "Device tree fixup protocol" depends on !GENERATE_ACPI_TABLE default y help The EFI device-tree fix-up protocol provides a function to let the firmware apply fix-ups. This may be used by boot loaders. config EFI_LOADER_HII bool "HII protocols" default y help The Human Interface Infrastructure is a complicated framework that allows UEFI applications to draw fancy menus and hook strings using a translation framework. U-Boot implements enough of its features to be able to run the UEFI Shell, but not more than that. config EFI_UNICODE_COLLATION_PROTOCOL2 bool "Unicode collation protocol" default y help The Unicode collation protocol is used for lexical comparisons. It is required to run the UEFI shell. if EFI_UNICODE_COLLATION_PROTOCOL2 config EFI_UNICODE_CAPITALIZATION bool "Support Unicode capitalization" default y help Select this option to enable correct handling of the capitalization of Unicode codepoints in the range 0x0000-0xffff. If this option is not set, only the the correct handling of the letters of the codepage used by the FAT file system is ensured. endif config EFI_LOADER_BOUNCE_BUFFER bool "EFI Applications use bounce buffers for DMA operations" depends on ARM64 help Some hardware does not support DMA to full 64bit addresses. For this hardware we can create a bounce buffer so that payloads don't have to worry about platform details. config EFI_PLATFORM_LANG_CODES string "Language codes supported by firmware" default "en-US" help This value is used to initialize the PlatformLangCodes variable. Its value is a semicolon (;) separated list of language codes in native RFC 4646 format, e.g. "en-US;de-DE". The first language code is used to initialize the PlatformLang variable. config EFI_HAVE_RUNTIME_RESET # bool "Reset runtime service is available" bool default y depends on ARCH_BCM283X || FSL_LAYERSCAPE || PSCI_RESET || \ SANDBOX || SYSRESET_SBI || SYSRESET_X86 config EFI_GRUB_ARM32_WORKAROUND bool "Workaround for GRUB on 32bit ARM" default n if ARCH_BCM283X || ARCH_SUNXI || ARCH_QEMU default y depends on ARM && !ARM64 help GRUB prior to version 2.04 requires U-Boot to disable caches. This workaround currently is also needed on systems with caches that cannot be managed via CP15. config EFI_RNG_PROTOCOL bool "EFI_RNG_PROTOCOL support" depends on DM_RNG default y help Provide a EFI_RNG_PROTOCOL implementation using the hardware random number generator of the platform. config EFI_TCG2_PROTOCOL bool "EFI_TCG2_PROTOCOL support" default y depends on TPM_V2 select SHA1 select SHA256 select SHA384 select SHA512 select HASH select SMBIOS_PARSER help Provide a EFI_TCG2_PROTOCOL implementation using the TPM hardware of the platform. config EFI_TCG2_PROTOCOL_EVENTLOG_SIZE int "EFI_TCG2_PROTOCOL EventLog size" depends on EFI_TCG2_PROTOCOL default 65536 help Define the size of the EventLog for EFI_TCG2_PROTOCOL. Note that this is going to be allocated twice. One for the eventlog it self and one for the configuration table that is required from the spec config EFI_TCG2_PROTOCOL_MEASURE_DTB bool "Measure DTB with EFI_TCG2_PROTOCOL" depends on EFI_TCG2_PROTOCOL help When enabled, the DTB image passed to the booted EFI image is measured using the EFI TCG2 protocol. Do not enable this feature if the passed DTB contains data that change across platform reboots and cannot be used has a predictable measurement. Otherwise this feature allows better measurement of the system boot sequence. config EFI_LOAD_FILE2_INITRD bool "EFI_FILE_LOAD2_PROTOCOL for Linux initial ramdisk" default y help Linux v5.7 and later can make use of this option. If the boot option selected by the UEFI boot manager specifies an existing file to be used as initial RAM disk, a Linux specific Load File2 protocol will be installed and Linux 5.7+ will ignore any initrd= command line argument. config EFI_SECURE_BOOT bool "Enable EFI secure boot support" depends on EFI_LOADER && FIT_SIGNATURE select HASH select SHA256 select RSA select RSA_VERIFY_WITH_PKEY select IMAGE_SIGN_INFO select ASYMMETRIC_KEY_TYPE select ASYMMETRIC_PUBLIC_KEY_SUBTYPE select X509_CERTIFICATE_PARSER select PKCS7_MESSAGE_PARSER select PKCS7_VERIFY select MSCODE_PARSER select EFI_SIGNATURE_SUPPORT help Select this option to enable EFI secure boot support. Once SecureBoot mode is enforced, any EFI binary can run only if it is signed with a trusted key. To do that, you need to install, at least, PK, KEK and db. config EFI_SIGNATURE_SUPPORT bool config EFI_ESRT bool "Enable the UEFI ESRT generation" depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT default y help Enabling this option creates the ESRT UEFI system table. config EFI_ECPT bool "Enable the UEFI ECPT generation" default y help Enabling this option created the ECPT UEFI table. config EFI_EBBR_2_1_CONFORMANCE bool "Add the EBBRv2.1 conformance entry to the ECPT table" depends on EFI_ECPT depends on EFI_LOADER_HII depends on EFI_RISCV_BOOT_PROTOCOL || !RISCV depends on EFI_RNG_PROTOCOL || !DM_RNG depends on EFI_UNICODE_COLLATION_PROTOCOL2 default y help Enabling this option adds the EBBRv2.1 conformance entry to the ECPT UEFI table. config EFI_RISCV_BOOT_PROTOCOL bool "RISCV_EFI_BOOT_PROTOCOL support" default y depends on RISCV help The EFI_RISCV_BOOT_PROTOCOL is used to transfer the boot hart ID to the next boot stage. It should be enabled as it is meant to replace the transfer via the device-tree. The latter is not possible on systems using ACPI. config EFI_HTTP_BOOT bool "EFI HTTP Boot support" select CMD_DNS select CMD_WGET select BLKMAP help Enabling this option adds EFI HTTP Boot support. It allows to directly boot from network. endif