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✏️ /usr/src/linux-headers-6.8.0-124/drivers/firmware/efi/libstub/Makefile.zboot

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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, EFI_ZBOOT_MACH_TYPE and
# EFI_ZBOOT_FORWARD_CFI

quiet_cmd_copy_and_pad = PAD     $@
      cmd_copy_and_pad = cp $< $@; \
			 truncate -s $$(hexdump -s16 -n4 -e '"%u"' $<) $@

# Pad the file to the size of the uncompressed image in memory, including BSS
$(obj)/vmlinux.bin: $(obj)/$(EFI_ZBOOT_PAYLOAD) FORCE
	$(call if_changed,copy_and_pad)

# in GZIP, the appended le32 carrying the uncompressed size is part of the
# format, but in other cases, we just append it at the end for convenience,
# causing the original tools to complain when checking image integrity.
comp-type-y				:= gzip
zboot-method-y				:= gzip
zboot-size-len-y			:= 0

comp-type-$(CONFIG_KERNEL_ZSTD)		:= zstd
zboot-method-$(CONFIG_KERNEL_ZSTD)	:= zstd22_with_size
zboot-size-len-$(CONFIG_KERNEL_ZSTD)	:= 4

$(obj)/vmlinuz: $(obj)/vmlinux.bin FORCE
	$(call if_changed,$(zboot-method-y))

# avoid eager evaluation to prevent references to non-existent build artifacts
OBJCOPYFLAGS_vmlinuz.o = -I binary -O $(EFI_ZBOOT_BFD_TARGET) $(EFI_ZBOOT_OBJCOPY_FLAGS) \
			  --rename-section .data=.gzdata,load,alloc,readonly,contents
$(obj)/vmlinuz.o: $(obj)/vmlinuz FORCE
	$(call if_changed,objcopy)

aflags-zboot-header-$(EFI_ZBOOT_FORWARD_CFI) := \
		-DPE_DLL_CHAR_EX=IMAGE_DLLCHARACTERISTICS_EX_FORWARD_CFI_COMPAT

AFLAGS_zboot-header.o += -DMACHINE_TYPE=IMAGE_FILE_MACHINE_$(EFI_ZBOOT_MACH_TYPE) \
			 -DZBOOT_EFI_PATH="\"$(realpath $(obj)/vmlinuz.efi.elf)\"" \
			 -DZBOOT_SIZE_LEN=$(zboot-size-len-y) \
			 -DCOMP_TYPE="\"$(comp-type-y)\"" \
			 $(aflags-zboot-header-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 vmlinux.bin vmlinuz vmlinuz.o vmlinuz.efi.elf vmlinuz.efi

Batal

⬅ efi 3 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📄 Makefile	file	6.6 KB	26/05/26 09:55	0644	✏️ ⬇
📄 Makefile.zboot	zboot	2.2 KB	26/05/26 09:55	0644	✏️ ⬇
📄 zboot.lds	lds	878 B	26/05/26 09:55	0644	✏️ ⬇

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