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Commit 27f3d2a3 authored by Daniel Mentz's avatar Daniel Mentz Committed by Vineet Gupta
Browse files

ARC: [build] Support gz, lzma compressed uImage 



Add support for lzma compressed uImage.

Support for gzip was already available but could not be enabled because
we were missing CONFIG_HAVE_KERNEL_GZIP in arch/arc/Kconfig.

Signed-off-by: default avatarDaniel Mentz <danielmentz@google.com>
Cc: linux-snps-arc@lists.infradead.org
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 3ce0fefc

arch/arc/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -41,6 +41,8 @@ config ARC 
	select PERF_USE_VMALLOC

	select HAVE_DEBUG_STACKOVERFLOW

	select HAVE_GENERIC_DMA_COHERENT

	select HAVE_KERNEL_GZIP

	select HAVE_KERNEL_LZMA



config MIGHT_HAVE_PCI

	bool

arch/arc/boot/Makefile

+14 −2
Original line number Diff line number Diff line
@@ -14,9 +14,15 @@ UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) 


suffix-y := bin

suffix-$(CONFIG_KERNEL_GZIP)	:= gz

suffix-$(CONFIG_KERNEL_LZMA)	:= lzma



targets += uImage uImage.bin uImage.gz

extra-y += vmlinux.bin vmlinux.bin.gz

targets += uImage

targets += uImage.bin

targets += uImage.gz

targets += uImage.lzma

extra-y += vmlinux.bin

extra-y += vmlinux.bin.gz

extra-y += vmlinux.bin.lzma



$(obj)/vmlinux.bin: vmlinux FORCE

	$(call if_changed,objcopy)
@@ -24,12 +30,18 @@ $(obj)/vmlinux.bin: vmlinux FORCE 
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE

	$(call if_changed,gzip)



$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE

	$(call if_changed,lzma)



$(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE

	$(call if_changed,uimage,none)



$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE

	$(call if_changed,uimage,gzip)



$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE

	$(call if_changed,uimage,lzma)



$(obj)/uImage: $(obj)/uImage.$(suffix-y)

	@ln -sf $(notdir $<) $@

	@echo '  Image $@ is ready'