linux/arch/arm64/boot/Makefile
Lasse Collin 181e71f662 arm64: boot: add Image.xz support
The Image.* targets existed for other compressors already.  Bootloader
support is needed for decompression.

This is for CONFIG_EFI_ZBOOT=n. With CONFIG_EFI_ZBOOT=y, XZ was already
available.

Link: https://lkml.kernel.org/r/20240721133633.47721-16-lasse.collin@tukaani.org
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jules Maselbas <jmaselbas@zdiv.net>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jubin Zhong <zhongjubin@huawei.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rui Li <me@lirui.org>
Cc: Sam James <sam@gentoo.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-01 20:43:27 -07:00

57 lines
1.5 KiB
Makefile

#
# arch/arm64/boot/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2012, ARM Ltd.
# Author: Will Deacon <will.deacon@arm.com>
#
# Based on the ia64 boot/Makefile.
#
OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo \
Image.zst Image.xz image.fit
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
$(obj)/Image.bz2: $(obj)/Image FORCE
$(call if_changed,bzip2)
$(obj)/Image.gz: $(obj)/Image FORCE
$(call if_changed,gzip)
$(obj)/Image.lz4: $(obj)/Image FORCE
$(call if_changed,lz4)
$(obj)/Image.lzma: $(obj)/Image FORCE
$(call if_changed,lzma)
$(obj)/Image.lzo: $(obj)/Image FORCE
$(call if_changed,lzo)
$(obj)/Image.zst: $(obj)/Image FORCE
$(call if_changed,zstd)
$(obj)/Image.xz: $(obj)/Image FORCE
$(call if_changed,xzkern)
$(obj)/image.fit: $(obj)/Image $(obj)/dts/dtbs-list FORCE
$(call if_changed,fit)
EFI_ZBOOT_PAYLOAD := Image
EFI_ZBOOT_BFD_TARGET := elf64-littleaarch64
EFI_ZBOOT_MACH_TYPE := ARM64
EFI_ZBOOT_FORWARD_CFI := $(CONFIG_ARM64_BTI_KERNEL)
EFI_ZBOOT_OBJCOPY_FLAGS = --add-symbol zboot_code_size=0x$$( \
$(NM) vmlinux|grep _kernel_codesize|cut -d' ' -f1)
include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot