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authorDaniel Mentz <danielmentz@google.com>2016-10-04 16:34:27 -0700
committerVineet Gupta <vgupta@synopsys.com>2016-10-16 15:49:07 -0700
commit27f3d2a3b59f573a398c9acc810c16ebca07be78 (patch)
tree6224dc57f6864af0a52568e85739ad016a5db864
parent3ce0fefc51bd56381b1b9a92835cf8f9db3f2ef8 (diff)
downloadop-kernel-dev-27f3d2a3b59f573a398c9acc810c16ebca07be78.zip
op-kernel-dev-27f3d2a3b59f573a398c9acc810c16ebca07be78.tar.gz
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>
-rw-r--r--arch/arc/Kconfig2
-rw-r--r--arch/arc/boot/Makefile16
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 6f67895..ac0b309 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -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
diff --git a/arch/arc/boot/Makefile b/arch/arc/boot/Makefile
index e597cb34..f94cf15 100644
--- a/arch/arc/boot/Makefile
+++ b/arch/arc/boot/Makefile
@@ -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'
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