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authorDaniel Hellstrom <daniel@gaisler.com>2011-01-26 06:36:35 +0000
committerDavid S. Miller <davem@davemloft.net>2011-03-16 18:19:04 -0700
commit684151a75bf25f5aeb8a23010da91a34e17b7353 (patch)
treea738b589dfaf8a524a606a7b26f0f2a8d34bdd90 /arch/sparc/boot
parent44ed3c0c47906297924c3fde801dc160f6996f7c (diff)
downloadop-kernel-dev-684151a75bf25f5aeb8a23010da91a34e17b7353.zip
op-kernel-dev-684151a75bf25f5aeb8a23010da91a34e17b7353.tar.gz
sparc32: added U-Boot build target: uImage
This is only for LEON as u-boot for SPARC only supports LEON. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/boot')
-rw-r--r--arch/sparc/boot/Makefile31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
index a2c5898..9205416 100644
--- a/arch/sparc/boot/Makefile
+++ b/arch/sparc/boot/Makefile
@@ -5,6 +5,7 @@
ROOT_IMG := /usr/src/root.img
ELFTOAOUT := elftoaout
+MKIMAGE := $(srctree)/scripts/mkuboot.sh
hostprogs-y := piggyback btfixupprep
targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
@@ -77,6 +78,36 @@ $(obj)/zImage: $(obj)/image
$(obj)/vmlinux.aout: vmlinux FORCE
$(call if_changed,elftoaout)
@echo ' kernel: $@ is ready'
+else
+
+# The following lines make a readable image for U-Boot.
+# uImage - Binary file read by U-boot
+# uImage.o - object file of uImage for loading with a
+# flash programmer understanding ELF.
+
+OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
+$(obj)/image.bin: $(obj)/image FORCE
+ $(call if_changed,objcopy)
+
+$(obj)/image.gz: $(obj)/image.bin
+ $(call if_changed,gzip)
+
+quiet_cmd_uimage = UIMAGE $@
+ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
+ -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \
+ -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \
+ -d $< $@
+
+quiet_cmd_uimage.o = UIMAGE.O $@
+ cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
+ -r -b binary $@ -o $@.o
+
+targets += uImage
+$(obj)/uImage: $(obj)/image.gz
+ $(call if_changed,uimage)
+ $(call if_changed,uimage.o)
+ @echo ' Image $@ is ready'
+
endif
$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
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