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sh: bzip2/lzma uImage support.

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

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-07-21 17:24:36 +09:00
parent 040f43e0bf
commit ef9b542fce
4 changed files with 40 additions and 23 deletions
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15
arch/sh/Makefile
View File

@ -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.srec - Create an S-record 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

5
arch/sh/boot/.gitignore vendored
View File

@ -1,4 +1,3 @@
zImage
vmlinux.srec
uImage
uImage.srec
vmlinux*
uImage*

39
arch/sh/boot/Makefile
View File

@ -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

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

@ -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