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sh: Add support for LZO-compressed kernels.

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Plugs in LZO along with the others.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-01-13 13:29:19 +09:00
parent 644755e786
commit c7b16efb7d
5 changed files with 25 additions and 7 deletions
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1
arch/sh/Kconfig
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@ -22,6 +22,7 @@ config SUPERH
select HAVE_KERNEL_GZIP select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
select HAVE_SYSCALL_TRACEPOINTS select HAVE_SYSCALL_TRACEPOINTS
select RTC_LIB select RTC_LIB
select GENERIC_ATOMIC64 select GENERIC_ATOMIC64

5
arch/sh/Makefile
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@ -203,8 +203,8 @@ endif
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec uImage.bin \ BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \
zImage vmlinux.srec romImage uImage.srec uImage.bin zImage vmlinux.srec romImage
PHONY += $(BOOT_TARGETS) PHONY += $(BOOT_TARGETS)
all: $(KBUILD_IMAGE) all: $(KBUILD_IMAGE)
@ -231,4 +231,5 @@ define archhelp
@echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
@echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
endef endef

19
arch/sh/boot/Makefile
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@ -21,12 +21,15 @@ CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
CONFIG_ENTRY_OFFSET ?= 0x00001000 CONFIG_ENTRY_OFFSET ?= 0x00001000
suffix-y := bin suffix-y := bin
suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_GZIP) := gz
suffix-$(CONFIG_KERNEL_BZIP2) := bz2 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
suffix-$(CONFIG_KERNEL_LZMA) := lzma suffix-$(CONFIG_KERNEL_LZMA) := lzma
suffix-$(CONFIG_KERNEL_LZO) := lzo
targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma uImage.bin targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \
extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma uImage.bz2 uImage.lzma uImage.lzo uImage.bin
extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.lzo
subdir- := compressed romimage subdir- := compressed romimage
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@ -80,6 +83,9 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma) $(call if_changed,lzma)
$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzo)
$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 $(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
$(call if_changed,uimage,bzip2) $(call if_changed,uimage,bzip2)
@ -89,6 +95,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
$(call if_changed,uimage,lzma) $(call if_changed,uimage,lzma)
$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo
$(call if_changed,uimage,lzo)
$(obj)/uImage.bin: $(obj)/vmlinux.bin $(obj)/uImage.bin: $(obj)/vmlinux.bin
$(call if_changed,uimage,none) $(call if_changed,uimage,none)

3
arch/sh/boot/compressed/Makefile
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@ -6,6 +6,7 @@
targets := vmlinux vmlinux.bin vmlinux.bin.gz \ targets := vmlinux vmlinux.bin vmlinux.bin.gz \
vmlinux.bin.bz2 vmlinux.bin.lzma \ vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.lzo \
head_$(BITS).o misc.o piggy.o head_$(BITS).o misc.o piggy.o
OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
@ -47,6 +48,8 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
$(call if_changed,bzip2) $(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzma) $(call if_changed,lzma)
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzo)
OBJCOPYFLAGS += -R .empty_zero_page OBJCOPYFLAGS += -R .empty_zero_page

4
arch/sh/boot/compressed/misc.c
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@ -62,6 +62,10 @@ static unsigned long free_mem_end_ptr;
#include "../../../../lib/decompress_unlzma.c" #include "../../../../lib/decompress_unlzma.c"
#endif #endif
#ifdef CONFIG_KERNEL_LZO
#include "../../../../lib/decompress_unlzo.c"
#endif
#ifdef CONFIG_SH_STANDARD_BIOS #ifdef CONFIG_SH_STANDARD_BIOS
size_t strlen(const char *s) size_t strlen(const char *s)
{ {