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Commit 0723c05f authored by Olof Johansson's avatar Olof Johansson Committed by Will Deacon
Browse files

arm64: enable more compressed Image formats 



Plumb up Makefile arguments for the already supported formats in the kbuild
system: lz4, bzip2, lzma, and lzo.

Note that just as with Image.gz, these images are not self-decompressing and
the booting firmware still needs to handle decompression before launching the
kernel image.

Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 2f4b829c

arch/arm64/Makefile

+4 −1
Original line number Diff line number Diff line
@@ -58,7 +58,10 @@ all: $(KBUILD_IMAGE) $(KBUILD_DTBS) 


boot := arch/arm64/boot



Image Image.gz: vmlinux

Image: vmlinux

	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@



Image.%: vmlinux

	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@



zinstall install: vmlinux

arch/arm64/boot/Makefile

+12 −0
Original line number Diff line number Diff line
@@ -19,9 +19,21 @@ targets := Image Image.gz 
$(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)



install: $(obj)/Image

	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \

	$(obj)/Image System.map "$(INSTALL_PATH)"