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# SPDX-License-Identifier: GPL-2.0 # to be include'd by arch/$(ARCH)/boot/Makefile after setting # EFI_ZBOOT_PAYLOAD, EFI_ZBOOT_BFD_TARGET and EFI_ZBOOT_MACH_TYPE comp-type-$(CONFIG_KERNEL_GZIP) := gzip comp-type-$(CONFIG_KERNEL_LZ4) := lz4 comp-type-$(CONFIG_KERNEL_LZMA) := lzma comp-type-$(CONFIG_KERNEL_LZO) := lzo comp-type-$(CONFIG_KERNEL_XZ) := xzkern comp-type-$(CONFIG_KERNEL_ZSTD) := zstd22 # Copy the SizeOfHeaders, SizeOfCode and SizeOfImage fields from the payload to # the end of the compressed image. Note that this presupposes a PE header # offset of 64 bytes, which is what arm64, RISC-V and LoongArch use. quiet_cmd_compwithsize = $(quiet_cmd_$(comp-type-y)) cmd_compwithsize = $(cmd_$(comp-type-y)) && ( \ dd status=none if=$< bs=4 count=1 skip=37 ; \ dd status=none if=$< bs=4 count=1 skip=23 ; \ dd status=none if=$< bs=4 count=1 skip=36 ) >> $@ $(obj)/vmlinuz: $(obj)/$(EFI_ZBOOT_PAYLOAD) FORCE $(call if_changed,compwithsize) OBJCOPYFLAGS_vmlinuz.o := -I binary -O $(EFI_ZBOOT_BFD_TARGET) \ --rename-section .data=.gzdata,load,alloc,readonly,contents $(obj)/vmlinuz.o: $(obj)/vmlinuz FORCE $(call if_changed,objcopy) AFLAGS_zboot-header.o += -DMACHINE_TYPE=IMAGE_FILE_MACHINE_$(EFI_ZBOOT_MACH_TYPE) \ -DZBOOT_EFI_PATH="\"$(realpath $(obj)/vmlinuz.efi.elf)\"" \ -DCOMP_TYPE="\"$(comp-type-y)\"" $(obj)/zboot-header.o: $(srctree)/drivers/firmware/efi/libstub/zboot-header.S FORCE $(call if_changed_rule,as_o_S) ZBOOT_DEPS := $(obj)/zboot-header.o $(objtree)/drivers/firmware/efi/libstub/lib.a LDFLAGS_vmlinuz.efi.elf := -T $(srctree)/drivers/firmware/efi/libstub/zboot.lds $(obj)/vmlinuz.efi.elf: $(obj)/vmlinuz.o $(ZBOOT_DEPS) FORCE $(call if_changed,ld) OBJCOPYFLAGS_vmlinuz.efi := -O binary $(obj)/vmlinuz.efi: $(obj)/vmlinuz.efi.elf FORCE $(call if_changed,objcopy) targets += zboot-header.o vmlinuz vmlinuz.o vmlinuz.efi.elf vmlinuz.efi |