5f7dcf079d
Persist non-volatile UEFI variables in a file on the EFI system partition. The file is written whenever a non-volatile UEFI variable is changed after initialization of the UEFI sub-system. The file is read during the UEFI sub-system initialization to restore non-volatile UEFI variables. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
187 lines
5.7 KiB
Plaintext
187 lines
5.7 KiB
Plaintext
config EFI_LOADER
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bool "Support running UEFI applications"
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depends on OF_LIBFDT && ( \
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ARM && (SYS_CPU = arm1136 || \
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SYS_CPU = arm1176 || \
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SYS_CPU = armv7 || \
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SYS_CPU = armv8) || \
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X86 || RISCV || SANDBOX)
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# We need EFI_STUB_64BIT to be set on x86_64 with EFI_STUB
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depends on !EFI_STUB || !X86_64 || EFI_STUB_64BIT
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# We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB
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depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT
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default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8
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select LIB_UUID
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select HAVE_BLOCK_DEVICE
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select REGEX
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imply CFB_CONSOLE_ANSI
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imply FAT
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imply FAT_WRITE
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imply USB_KEYBOARD_FN_KEYS
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imply VIDEO_ANSI
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help
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Select this option if you want to run UEFI applications (like GNU
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GRUB or iPXE) on top of U-Boot. If this option is enabled, U-Boot
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will expose the UEFI API to a loaded application, enabling it to
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reuse U-Boot's device drivers.
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if EFI_LOADER
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config EFI_VARIABLE_FILE_STORE
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bool "Store non-volatile UEFI variables as file"
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depends on FAT_WRITE
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default y
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help
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Select tis option if you want non-volatile UEFI variables to be stored
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as file /ubootefi.var on the EFI system partition.
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config EFI_GET_TIME
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bool "GetTime() runtime service"
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depends on DM_RTC
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default y
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help
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Provide the GetTime() runtime service at boottime. This service
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can be used by an EFI application to read the real time clock.
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config EFI_SET_TIME
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bool "SetTime() runtime service"
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depends on EFI_GET_TIME
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default n
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help
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Provide the SetTime() runtime service at boottime. This service
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can be used by an EFI application to adjust the real time clock.
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config EFI_DEVICE_PATH_TO_TEXT
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bool "Device path to text protocol"
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default y
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help
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The device path to text protocol converts device nodes and paths to
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human readable strings.
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config EFI_LOADER_HII
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bool "HII protocols"
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default y
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help
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The Human Interface Infrastructure is a complicated framework that
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allows UEFI applications to draw fancy menus and hook strings using
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a translation framework.
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U-Boot implements enough of its features to be able to run the UEFI
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Shell, but not more than that.
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config EFI_UNICODE_COLLATION_PROTOCOL2
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bool "Unicode collation protocol"
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default y
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help
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The Unicode collation protocol is used for lexical comparisons. It is
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required to run the UEFI shell.
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if EFI_UNICODE_COLLATION_PROTOCOL2
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config EFI_UNICODE_CAPITALIZATION
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bool "Support Unicode capitalization"
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default y
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help
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Select this option to enable correct handling of the capitalization of
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Unicode codepoints in the range 0x0000-0xffff. If this option is not
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set, only the the correct handling of the letters of the codepage
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used by the FAT file system is ensured.
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config EFI_UNICODE_COLLATION_PROTOCOL
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bool "Deprecated version of the Unicode collation protocol"
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default n
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help
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In EFI 1.10 a version of the Unicode collation protocol using ISO
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639-2 language codes existed. This protocol is not part of the UEFI
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specification any longer. Unfortunately it is required to run the
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UEFI Self Certification Test (SCT) II, version 2.6, 2017.
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Choose this option for testing only. It is bound to be removed.
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endif
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config EFI_LOADER_BOUNCE_BUFFER
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bool "EFI Applications use bounce buffers for DMA operations"
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depends on ARM64
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default n
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help
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Some hardware does not support DMA to full 64bit addresses. For this
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hardware we can create a bounce buffer so that payloads don't have to
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worry about platform details.
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config EFI_PLATFORM_LANG_CODES
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string "Language codes supported by firmware"
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default "en-US"
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help
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This value is used to initialize the PlatformLangCodes variable. Its
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value is a semicolon (;) separated list of language codes in native
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RFC 4646 format, e.g. "en-US;de-DE". The first language code is used
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to initialize the PlatformLang variable.
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config EFI_HAVE_RUNTIME_RESET
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# bool "Reset runtime service is available"
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bool
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default y
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depends on ARCH_BCM283X || FSL_LAYERSCAPE || PSCI_RESET || SYSRESET_X86
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config EFI_GRUB_ARM32_WORKAROUND
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bool "Workaround for GRUB on 32bit ARM"
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default y
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depends on ARM && !ARM64
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help
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GRUB prior to version 2.04 requires U-Boot to disable caches. This
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workaround currently is also needed on systems with caches that
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cannot be managed via CP15.
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config EFI_RNG_PROTOCOL
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bool "EFI_RNG_PROTOCOL support"
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depends on DM_RNG
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default y
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help
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Provide a EFI_RNG_PROTOCOL implementation using the hardware random
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number generator of the platform.
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config EFI_LOAD_FILE2_INITRD
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bool "EFI_FILE_LOAD2_PROTOCOL for Linux initial ramdisk"
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default n
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help
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Expose a EFI_FILE_LOAD2_PROTOCOL that the Linux UEFI stub can
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use to load the initial ramdisk. Once this is enabled using
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initrd=<ramdisk> will stop working.
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config EFI_INITRD_FILESPEC
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string "initramfs path"
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default "host 0:1 initrd"
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depends on EFI_LOAD_FILE2_INITRD
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help
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Full path of the initramfs file, e.g. mmc 0:2 initramfs.cpio.gz.
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config EFI_SECURE_BOOT
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bool "Enable EFI secure boot support"
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depends on EFI_LOADER
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select SHA256
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select RSA
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select RSA_VERIFY_WITH_PKEY
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select IMAGE_SIGN_INFO
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select ASYMMETRIC_KEY_TYPE
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select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
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select X509_CERTIFICATE_PARSER
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select PKCS7_MESSAGE_PARSER
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default n
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help
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Select this option to enable EFI secure boot support.
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Once SecureBoot mode is enforced, any EFI binary can run only if
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it is signed with a trusted key. To do that, you need to install,
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at least, PK, KEK and db.
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config EFI_MM_COMM_TEE
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bool "UEFI variables storage service via OP-TEE"
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depends on OPTEE
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default n
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help
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If OP-TEE is present and running StandAloneMM, dispatch all UEFI variable
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related operations to that. The application will verify, authenticate and
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store the variables on an RPMB.
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endif
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