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Commit c7b16efb authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Add support for LZO-compressed kernels. 



Plugs in LZO along with the others.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 644755e7

arch/sh/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ config SUPERH 
	select HAVE_KERNEL_GZIP

	select HAVE_KERNEL_BZIP2

	select HAVE_KERNEL_LZMA

	select HAVE_KERNEL_LZO

	select HAVE_SYSCALL_TRACEPOINTS

	select RTC_LIB

	select GENERIC_ATOMIC64

arch/sh/Makefile

+3 −2
Original line number Diff line number Diff line
@@ -203,8 +203,8 @@ 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.srec uImage.bin \

	       zImage vmlinux.srec romImage

BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.lzo \

	       uImage.srec uImage.bin zImage vmlinux.srec romImage

PHONY += $(BOOT_TARGETS)



all: $(KBUILD_IMAGE)
@@ -231,4 +231,5 @@ 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.lzo	           - Kernel-only image for U-Boot (lzo)'

endef

arch/sh/boot/Makefile

+15 −6
Original line number Diff line number Diff line
@@ -24,9 +24,12 @@ suffix-y := bin 
suffix-$(CONFIG_KERNEL_GZIP)	:= gz

suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2

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

extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma

targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz \

	   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



$(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

	$(call if_changed,lzma)



$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE

	$(call if_changed,lzo)



$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2

	$(call if_changed,uimage,bzip2)
@@ -89,6 +95,9 @@ $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz 
$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma

	$(call if_changed,uimage,lzma)



$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo

	$(call if_changed,uimage,lzo)



$(obj)/uImage.bin: $(obj)/vmlinux.bin

	$(call if_changed,uimage,none)

arch/sh/boot/compressed/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 


targets		:= vmlinux vmlinux.bin vmlinux.bin.gz \

		   vmlinux.bin.bz2 vmlinux.bin.lzma \

		   vmlinux.bin.lzo \

		   head_$(BITS).o misc.o piggy.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)

$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE

	$(call if_changed,lzma)

$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE

	$(call if_changed,lzo)



OBJCOPYFLAGS += -R .empty_zero_page

arch/sh/boot/compressed/misc.c

+4 −0
Original line number Diff line number Diff line
@@ -62,6 +62,10 @@ static unsigned long free_mem_end_ptr; 
#include "../../../../lib/decompress_unlzma.c"

#endif



#ifdef CONFIG_KERNEL_LZO

#include "../../../../lib/decompress_unlzo.c"

#endif



#ifdef CONFIG_SH_STANDARD_BIOS

size_t strlen(const char *s)

{