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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: Daniel Mentz <danielmentz@google.com>
Cc: linux-snps-arc@lists.infradead.org
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Daniel Mentz 2016-10-04 16:34:27 -07:00 committed by Vineet Gupta
parent 3ce0fefc51
commit 27f3d2a3b5
2 changed files with 16 additions and 2 deletions
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2
arch/arc/Kconfig
View File

@ -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

16
arch/arc/boot/Makefile
View File

@ -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'