2016-10-04 23:36:07

by Daniel Mentz

Subject: [PATCH] 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 <[email protected]>
Cc: [email protected]
Cc: Vineet Gupta <[email protected]>
---
arch/arc/Kconfig | 2 ++
arch/arc/boot/Makefile | 16 ++++++++++++++--
2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 25a760b..a538631 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'
--
2.8.0.rc3.226.g39d4020

2016-10-07 21:42:19

by Vineet Gupta

Subject: Re: [PATCH] ARC: [build] Support gz, lzma compressed uImage

On 10/04/2016 04:34 PM, Daniel Mentz wrote:
> 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 <[email protected]>
> Cc: [email protected]
> Cc: Vineet Gupta <[email protected]>

Applied to for-curr.

Thx Daniel
-Vineet