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arm64: efi: enable generic EFI compressed boot 

Wire up the generic EFI zboot support for arm64.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Ard Biesheuvel 2022-05-02 01:10:03 +02:00
parent c5d5cba795
commit c37b830fef
3 changed files with 14 additions and 2 deletions
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9
arch/arm64/Makefile
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@ -151,12 +151,17 @@ libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
# Default target when executing plain make
boot := arch/arm64/boot
ifeq ($(CONFIG_EFI_ZBOOT),)
KBUILD_IMAGE := $(boot)/Image.gz
else
KBUILD_IMAGE := $(boot)/vmlinuz.efi
endif
all: Image.gz
all: $(notdir $(KBUILD_IMAGE))
Image: vmlinux
Image vmlinuz.efi: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
Image.%: Image

1
arch/arm64/boot/.gitignore vendored
View File

@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
Image
Image.gz
vmlinuz*

6
arch/arm64/boot/Makefile
View File

@ -38,3 +38,9 @@ $(obj)/Image.lzo: $(obj)/Image FORCE
$(obj)/Image.zst: $(obj)/Image FORCE
$(call if_changed,zstd)
EFI_ZBOOT_PAYLOAD := Image
EFI_ZBOOT_BFD_TARGET := elf64-littleaarch64
EFI_ZBOOT_MACH_TYPE := ARM64
include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot