diff options
Diffstat (limited to 'drivers/firmware/efi/libstub/Makefile.zboot')
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile.zboot | 46 |
1 files changed, 29 insertions, 17 deletions
diff --git a/drivers/firmware/efi/libstub/Makefile.zboot b/drivers/firmware/efi/libstub/Makefile.zboot index 3340b385a05b..832deee36e48 100644 --- a/drivers/firmware/efi/libstub/Makefile.zboot +++ b/drivers/firmware/efi/libstub/Makefile.zboot @@ -1,41 +1,53 @@ # SPDX-License-Identifier: GPL-2.0 # to be include'd by arch/$(ARCH)/boot/Makefile after setting -# EFI_ZBOOT_PAYLOAD, EFI_ZBOOT_BFD_TARGET and EFI_ZBOOT_MACH_TYPE +# EFI_ZBOOT_PAYLOAD, EFI_ZBOOT_BFD_TARGET, EFI_ZBOOT_MACH_TYPE and +# EFI_ZBOOT_FORWARD_CFI -comp-type-$(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 +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. -# So disregard it when calculating the payload size in the zimage header. -zboot-method-y := $(comp-type-y)_with_size -zboot-size-len-y := 4 +comp-type-y := gzip +zboot-method-y := gzip +zboot-size-len-y := 0 -zboot-method-$(CONFIG_KERNEL_GZIP) := gzip -zboot-size-len-$(CONFIG_KERNEL_GZIP) := 0 +comp-type-$(CONFIG_KERNEL_ZSTD) := zstd +zboot-method-$(CONFIG_KERNEL_ZSTD) := zstd22_with_size +zboot-size-len-$(CONFIG_KERNEL_ZSTD) := 4 -$(obj)/vmlinuz: $(obj)/$(EFI_ZBOOT_PAYLOAD) FORCE +$(obj)/vmlinuz: $(obj)/vmlinux.bin FORCE $(call if_changed,$(zboot-method-y)) -OBJCOPYFLAGS_vmlinuz.o := -I binary -O $(EFI_ZBOOT_BFD_TARGET) \ +# 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 $(obj)/vmlinuz.efi.elf)\"" \ + -DZBOOT_EFI_PATH="\"$(abspath $(obj)/vmlinuz.efi.elf)\"" \ -DZBOOT_SIZE_LEN=$(zboot-size-len-y) \ - -DCOMP_TYPE="\"$(comp-type-y)\"" + -DCOMP_TYPE="\"$(comp-type-y)\"" \ + $(aflags-zboot-header-y) $(obj)/zboot-header.o: $(srctree)/drivers/firmware/efi/libstub/zboot-header.S FORCE $(call if_changed_rule,as_o_S) +ifneq ($(CONFIG_EFI_SBAT_FILE),) +$(obj)/zboot-header.o: $(CONFIG_EFI_SBAT_FILE) +endif + 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 @@ -46,4 +58,4 @@ 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 +targets += zboot-header.o vmlinux.bin vmlinuz vmlinuz.o vmlinuz.efi.elf vmlinuz.efi |