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sh: support XZ-compressed kernel.

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Follow the x86 change and wire up support for the XZ decompressor.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2011-01-14 15:52:54 +09:00
parent 8f82f0c702
commit 50cfa79dcb
5 changed files with 19 additions and 4 deletions
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1
arch/sh/Kconfig
View File

@ -15,6 +15,7 @@ config SUPERH
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_XZ
select HAVE_KERNEL_LZO
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_REGS_AND_STACK_ACCESS_API

3
arch/sh/Makefile
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@ -200,7 +200,7 @@ endif
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
romImage
PHONY += $(BOOT_TARGETS)
@ -230,5 +230,6 @@ define archhelp
@echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
@echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
@echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
endef

11
arch/sh/boot/Makefile
View File

@ -24,12 +24,13 @@ suffix-y := bin
suffix-$(CONFIG_KERNEL_GZIP) := gz
suffix-$(CONFIG_KERNEL_BZIP2) := bz2
suffix-$(CONFIG_KERNEL_LZMA) := lzma
suffix-$(CONFIG_KERNEL_XZ) := xz
suffix-$(CONFIG_KERNEL_LZO) := lzo
targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \
uImage.bz2 uImage.lzma uImage.lzo uImage.bin
uImage.bz2 uImage.lzma uImage.xz uImage.lzo uImage.bin
extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.lzo
vmlinux.bin.xz vmlinux.bin.lzo
subdir- := compressed romimage
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@ -76,6 +77,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
$(call if_changed,xzkern)
$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzo)
@ -88,6 +92,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
$(call if_changed,uimage,lzma)
$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz
$(call if_changed,uimage,xz)
$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo
$(call if_changed,uimage,lzo)

4
arch/sh/boot/compressed/Makefile
View File

@ -6,7 +6,7 @@
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.lzo \
vmlinux.bin.xz vmlinux.bin.lzo \
head_$(BITS).o misc.o piggy.o
OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
@ -50,6 +50,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzma)
$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,xzkern)
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzo)

4
arch/sh/boot/compressed/misc.c
View File

@ -61,6 +61,10 @@ static unsigned long free_mem_end_ptr;
#include "../../../../lib/decompress_unlzma.c"
#endif
#ifdef CONFIG_KERNEL_XZ
#include "../../../../lib/decompress_unxz.c"
#endif
#ifdef CONFIG_KERNEL_LZO
#include "../../../../lib/decompress_unlzo.c"
#endif