2011-01-27 12:51:25 +00:00
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From 234ef25344b567b3b8dad62c0863ebe16377528f Mon Sep 17 00:00:00 2001
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From: Daniel Hellstrom <daniel@gaisler.com>
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Date: Tue, 14 Sep 2010 11:26:55 +0200
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Subject: [PATCH] SPARC: added U-Boot build target: uImage
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---
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arch/sparc/Makefile | 3 ++-
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arch/sparc/boot/Makefile | 35 +++++++++++++++++++++++++++++++++++
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2 files changed, 37 insertions(+), 1 deletions(-)
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--- a/arch/sparc/Makefile
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+++ b/arch/sparc/Makefile
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@@ -88,7 +88,7 @@ boot := arch/sparc/boot
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# Default target
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all: zImage
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-image zImage tftpboot.img vmlinux.aout: vmlinux
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+image zImage uImage tftpboot.img vmlinux.aout: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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archclean:
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@@ -102,6 +102,7 @@ ifeq ($(ARCH),sparc)
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define archhelp
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echo '* image - kernel image ($(boot)/image)'
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echo '* zImage - stripped kernel image ($(boot)/zImage)'
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+ echo ' uImage - U-Boot SPARC32/LEON Image'
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echo ' tftpboot.img - image prepared for tftp'
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endef
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else
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--- a/arch/sparc/boot/Makefile
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+++ b/arch/sparc/boot/Makefile
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@@ -5,6 +5,7 @@
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ROOT_IMG := /usr/src/root.img
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ELFTOAOUT := elftoaout
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+MKIMAGE := $(srctree)/scripts/mkuboot.sh
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hostprogs-y := piggyback_32 piggyback_64 btfixupprep
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targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
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@@ -90,5 +91,39 @@ $(obj)/tftpboot.img: $(obj)/image $(obj)
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$(obj)/vmlinux.aout: vmlinux FORCE
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$(call if_changed,elftoaout)
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@echo ' kernel: $@ is ready'
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+else
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+
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+# The following lines make a readable image for U-Boot.
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+# uImage - Binary file read by U-boot
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+# uImage.o - object file of uImage for loading with a
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+# flash programmer understanding ELF.
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+
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+OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
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+$(obj)/image.bin: $(obj)/image FORCE
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+ $(call if_changed,objcopy)
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+
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+$(obj)/image.gz: $(obj)/image.bin
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+ $(call if_changed,gzip)
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+
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+# Start of Main memory
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+ifndef UIMAGE_LOADADDR
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+UIMAGE_LOADADDR=0x40004000
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endif
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+# The first sector after the U-Boot image (256k)
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+ifndef UIMAGE_FLASHADDR
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+UIMAGE_FLASHADDR=0x00040000
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+endif
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+
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+quiet_cmd_uimage = UIMAGE $@
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+ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
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+ -C gzip -a $(UIMAGE_LOADADDR) -e 0xf0004000 -n 'Linux-$(KERNELRELEASE)' \
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+ -d $< $@
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+
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+targets += uImage
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+$(obj)/uImage: $(obj)/image.gz
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+ $(call if_changed,uimage)
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2011-01-27 12:52:33 +00:00
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+ $(LD) -Tdata $(UIMAGE_FLASHADDR) -r -b binary arch/sparc/boot/uImage -o arch/sparc/boot/uImage.o
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2011-01-27 12:51:25 +00:00
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+ @echo ' Image $@ is ready'
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+
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+endif
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