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Support build the zstd compressed Image.zst. Similar as other compressed formats, the Image.zst is not self-decompressing and the bootloader still needs to handle decompression before launching the kernel image. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Link: https://lore.kernel.org/r/20220619170657.2657-1-jszhang@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
41 lines
1.0 KiB
Makefile
41 lines
1.0 KiB
Makefile
#
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# arch/arm64/boot/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies.
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 2012, ARM Ltd.
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# Author: Will Deacon <will.deacon@arm.com>
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#
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# Based on the ia64 boot/Makefile.
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#
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OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
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targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo Image.zst
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$(obj)/Image: vmlinux FORCE
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$(call if_changed,objcopy)
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$(obj)/Image.bz2: $(obj)/Image FORCE
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$(call if_changed,bzip2)
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$(obj)/Image.gz: $(obj)/Image FORCE
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$(call if_changed,gzip)
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$(obj)/Image.lz4: $(obj)/Image FORCE
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$(call if_changed,lz4)
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$(obj)/Image.lzma: $(obj)/Image FORCE
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$(call if_changed,lzma)
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$(obj)/Image.lzo: $(obj)/Image FORCE
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$(call if_changed,lzo)
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$(obj)/Image.zst: $(obj)/Image FORCE
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$(call if_changed,zstd)
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