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[PATCH] powerpc: Add support for building uImages 

powerpc: Add support for building uImages

Add support to build a kernel image bootable by u-boot.
Most of the makefile foo is taken from arch/ppc/boot/images/Makefile

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kumar Gala 2005-11-23 12:43:15 -06:00 committed by Paul Mackerras
parent 1d7a6b97f3
commit 8c441a57d7
2 changed files with 31 additions and 1 deletions
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2
arch/powerpc/Makefile
View File

@ -151,7 +151,7 @@ CPPFLAGS_vmlinux.lds := -Upowerpc
# All the instructions talk about "make bzImage".
bzImage: zImage
BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm uImage
.PHONY: $(BOOT_TARGETS)

30
arch/powerpc/boot/Makefile
View File

@ -143,6 +143,36 @@ $(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote
@cp -f $< $@
$(call if_changed,addnote)
#-----------------------------------------------------------
# build u-boot images
#-----------------------------------------------------------
quiet_cmd_mygzip = GZIP $@
cmd_mygzip = gzip -f -9 < $< > $@.$$$$ && mv $@.$$$$ $@
quiet_cmd_objbin = OBJCOPY $@
cmd_objbin = $(OBJCOPY) -O binary $< $@
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A ppc -O linux -T kernel \
-C gzip -a 00000000 -e 00000000 -n 'Linux-$(KERNELRELEASE)' \
-d $< $@
MKIMAGE := $(srctree)/scripts/mkuboot.sh
targets += uImage
extra-y += vmlinux.bin vmlinux.gz
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objbin)
$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,mygzip)
$(obj)/uImage: $(obj)/vmlinux.gz
$(Q)rm -f $@
$(call if_changed,uimage)
@echo -n ' Image: $@ '
@if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi
install: $(CONFIGURE) $(BOOTIMAGE)
sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" "$(BOOTIMAGE)"