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Commit ef9b542f authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: bzip2/lzma uImage support. 



This builds on the bzip2/lzma zImage support change and wires it up for
uImages. Based on the blackfin implementation.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 040f43e0

arch/sh/Makefile

+10 −5
Original line number Diff line number Diff line
@@ -189,14 +189,16 @@ KBUILD_AFLAGS += $(cflags-y) 
libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)

libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)



PHONY += maketools FORCE

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

	       zImage vmlinux.srec

PHONY += maketools $(BOOT_TARGETS) FORCE



maketools:  include/linux/version.h FORCE

	$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h



all: $(KBUILD_IMAGE)



zImage uImage uImage.srec vmlinux.srec: vmlinux

$(BOOT_TARGETS): vmlinux

	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@



compressed: zImage
@@ -208,10 +210,13 @@ archclean: 
	$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall



define archhelp

	@echo '* zImage 	           - Compressed kernel image'

	@echo '  zImage 	           - Compressed kernel image'

	@echo '  vmlinux.srec	           - Create an ELF S-record'

	@echo '  uImage  	           - Create a bootable image for U-Boot'

	@echo '* uImage  	           - Alias to bootable U-Boot image'

	@echo '  uImage.srec	           - Create an S-record for U-Boot'

	@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)'

endef



CLEAN_FILES += include/asm-sh/machtypes.h

arch/sh/boot/.gitignore

+2 −3
Original line number Diff line number Diff line 
zImage

vmlinux.srec

uImage

uImage.srec
 
vmlinux*

uImage*

arch/sh/boot/Makefile

+28 −11
Original line number Diff line number Diff line
@@ -20,7 +20,12 @@ CONFIG_BOOT_LINK_OFFSET ?= 0x00800000 
CONFIG_ZERO_PAGE_OFFSET	?= 0x00001000

CONFIG_ENTRY_OFFSET	?= 0x00001000



targets := zImage vmlinux.srec uImage uImage.srec

suffix-$(CONFIG_KERNEL_GZIP)  := gz

suffix-$(CONFIG_KERNEL_BZIP2) := bz2

suffix-$(CONFIG_KERNEL_LZMA)  := lzma



targets := zImage vmlinux.srec uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma

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

subdir- := compressed



$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@@ -40,9 +45,6 @@ KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \ 
		     $$[$(CONFIG_MEMORY_START)]')

endif



export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \

       CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY



KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \

		     $$[$(CONFIG_PAGE_OFFSET)  + \

			$(KERNEL_MEMORY) + \
@@ -55,19 +57,30 @@ KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \ 


quiet_cmd_uimage = UIMAGE  $@

      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \

		   -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \

		   -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \

		   -n 'Linux-$(KERNELRELEASE)' -d $< $@



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

	$(call if_changed,uimage)

	@echo '  Image $@ is ready'



$(obj)/vmlinux.bin: vmlinux FORCE

	$(call if_changed,objcopy)



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

	$(call if_changed,gzip)



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

	$(call if_changed,bzip2)



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

	$(call if_changed,lzma)



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

	$(call if_changed,uimage,bzip2)



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

	$(call if_changed,uimage,gzip)



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

	$(call if_changed,uimage,lzma)



OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec

$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux

	$(call if_changed,objcopy)
@@ -76,5 +89,9 @@ OBJCOPYFLAGS_uImage.srec := -I binary -O srec 
$(obj)/uImage.srec: $(obj)/uImage

	$(call if_changed,objcopy)



clean-files	+= uImage uImage.srec vmlinux.srec \

		   vmlinux.bin vmlinux.bin.gz
 
$(obj)/uImage: $(obj)/uImage.$(suffix-y)

	@ln -sf $(notdir $<) $@

	@echo '  Image $@ is ready'



export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \

       CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y

arch/sh/boot/compressed/Makefile

+0 −4
Original line number Diff line number Diff line
@@ -48,10 +48,6 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE

	$(call if_changed,lzma)



suffix-$(CONFIG_KERNEL_GZIP)	:= gz

suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2

suffix-$(CONFIG_KERNEL_LZMA)	:= lzma



OBJCOPYFLAGS += -R .empty_zero_page



LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T