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efi: stub: implement efi_get_random_bytes() based on EFI_RNG_PROTOCOL

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This exposes the firmware's implementation of EFI_RNG_PROTOCOL via a new
function efi_get_random_bytes().

Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Ard Biesheuvel
2016-01-10 11:29:07 +01:00
committed by Catalin Marinas
parent c031a4213c
commit e4fbf47674
4 changed files with 44 additions and 2 deletions
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2
drivers/firmware/efi/libstub/Makefile
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@@ -36,7 +36,7 @@ lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o \
$(patsubst %.c,lib-%.o,$(arm-deps))
lib-$(CONFIG_ARM) += arm32-stub.o
lib-$(CONFIG_ARM64) += arm64-stub.o
lib-$(CONFIG_ARM64) += arm64-stub.o random.o
CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
#