Wire up the generic EFI zboot support for arm64. Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx> --- arch/arm64/Makefile | 5 +++++ arch/arm64/boot/Makefile | 12 ++++++++++++ 2 files changed, 17 insertions(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 6d9d4a58b898..ad4f849b91e8 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -162,6 +162,11 @@ Image: vmlinux Image.%: Image $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ +ifneq ($(CONFIG_EFI_ZBOOT),) +zImage.efi: Image + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ +endif + install: KBUILD_IMAGE := $(boot)/Image install zinstall: $(call cmd,install) diff --git a/arch/arm64/boot/Makefile b/arch/arm64/boot/Makefile index a0e3dedd2883..08fcd39ae808 100644 --- a/arch/arm64/boot/Makefile +++ b/arch/arm64/boot/Makefile @@ -38,3 +38,15 @@ $(obj)/Image.lzo: $(obj)/Image FORCE $(obj)/Image.zst: $(obj)/Image FORCE $(call if_changed,zstd) + +ZBOOT_PAYLOAD := $(obj)/Image +ZBOOT_BFD_TARGET := elf64-littleaarch64 +ZBOOT_LD_FLAGS := --defsym=__efistub_strnlen=__pi_strnlen \ + --defsym=__efistub_memmove=__pi_memmove \ + --defsym=__efistub_memcpy=__pi_memcpy \ + --defsym=__efistub_memset=__pi_memset + +ZBOOT_EXTRA_OBJS := memcpy.o memset.o strnlen.o +ZBOOT_EXTRA_DEPS := $(addprefix $(objtree)/arch/arm64/lib/,$(ZBOOT_EXTRA_OBJS)) + +include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot -- 2.35.1