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efi_loader: configuration of variables store 

The file based and the OP-TEE based UEFI variable store are mutually
exclusive. Define them as choice options in Kconfig.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-07-14 19:18:33 +02:00
parent 677da1c089
commit be66b89da3
1 changed files with 18 additions and 12 deletions
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30
lib/efi_loader/Kconfig
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@ -27,13 +27,28 @@ config EFI_LOADER
if EFI_LOADER if EFI_LOADER
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 config EFI_VARIABLE_FILE_STORE
bool "Store non-volatile UEFI variables as file" bool "Store non-volatile UEFI variables as file"
depends on FAT_WRITE depends on FAT_WRITE
default y
help help
Select tis option if you want non-volatile UEFI variables to be stored Select this option if you want non-volatile UEFI variables to be
as file /ubootefi.var on the EFI system partition. stored as file /ubootefi.var on the EFI system partition.
config EFI_MM_COMM_TEE
bool "UEFI variables storage service via OP-TEE"
depends on OPTEE
help
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.
endchoice
config EFI_GET_TIME config EFI_GET_TIME
bool "GetTime() runtime service" bool "GetTime() runtime service"
@ -174,13 +189,4 @@ config EFI_SECURE_BOOT
it is signed with a trusted key. To do that, you need to install, it is signed with a trusted key. To do that, you need to install,
at least, PK, KEK and db. at least, PK, KEK and db.
config EFI_MM_COMM_TEE
bool "UEFI variables storage service via OP-TEE"
depends on OPTEE
default n
help
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.
endif endif