Commit 9f6a503d authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Will Deacon
Browse files

arm64: boot: add zstd support 



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: default avatarJisheng Zhang <jszhang@kernel.org>
Link: https://lore.kernel.org/r/20220619170657.2657-1-jszhang@kernel.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent a111daf0

arch/arm64/boot/Makefile

+4 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 


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

targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo Image.zst



$(obj)/Image: vmlinux FORCE

	$(call if_changed,objcopy)
@@ -35,3 +35,6 @@ $(obj)/Image.lzma: $(obj)/Image FORCE 


$(obj)/Image.lzo: $(obj)/Image FORCE

	$(call if_changed,lzo)



$(obj)/Image.zst: $(obj)/Image FORCE

	$(call if_changed,zstd)