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95 lines
3.1 KiB
Diff
95 lines
3.1 KiB
Diff
--- a/arch/powerpc/Makefile
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+++ b/arch/powerpc/Makefile
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@@ -166,7 +166,8 @@ all: zImage
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# With make 3.82 we cannot mix normal and wildcard targets
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BOOT_TARGETS1 := zImage zImage.initrd uImage
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-BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
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+BOOT_TARGETS2 := uImage.fit.% zImage% dtbImage% treeImage.% cuImage.% \
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+ simpleImage.%
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PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2)
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@@ -199,6 +200,7 @@ define archhelp
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@echo '* zImage - Build default images selected by kernel config'
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@echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
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@echo ' uImage - U-Boot native image format'
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+ @echo ' uImage.fit.<dt> - U-Boot Flattened Image Tree image format'
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@echo ' cuImage.<dt> - Backwards compatible U-Boot image for older'
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@echo ' versions which do not support device trees'
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@echo ' dtbImage.<dt> - zImage with an embedded device tree blob'
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--- a/arch/powerpc/boot/.gitignore
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+++ b/arch/powerpc/boot/.gitignore
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@@ -19,6 +19,7 @@ kernel-vmlinux.strip.c
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kernel-vmlinux.strip.gz
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mktree
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uImage
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+uImage.fit.*
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cuImage.*
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dtbImage.*
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treeImage.*
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--- a/arch/powerpc/boot/Makefile
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+++ b/arch/powerpc/boot/Makefile
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@@ -314,6 +314,9 @@ $(obj)/zImage.iseries: vmlinux
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$(obj)/uImage: vmlinux $(wrapperbits)
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$(call if_changed,wrap,uboot)
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+$(obj)/uImage.fit.%: vmlinux $(obj)/%.dtb $(wrapperbits)
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+ $(call if_changed,wrap,uboot.fit,,$(obj)/$*.dtb)
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+
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$(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits)
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$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
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@@ -353,7 +356,7 @@ install: $(CONFIGURE) $(addprefix $(obj)
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# anything not in $(targets)
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clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
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- zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
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+ uImage.* zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
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zImage.iseries zImage.miboot zImage.pmac zImage.pseries \
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zImage.maple simpleImage.* otheros.bld *.dtb
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--- a/arch/powerpc/boot/wrapper
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+++ b/arch/powerpc/boot/wrapper
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@@ -46,6 +46,9 @@ CROSS=
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# mkimage wrapper script
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MKIMAGE=$srctree/scripts/mkuboot.sh
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+# script to generate an .its file for uImage.fit.* images
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+MKITS=$srctree/scripts/mkits.sh
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+
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# directory for object and other files used by this script
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object=arch/powerpc/boot
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objbin=$object
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@@ -161,7 +164,7 @@ coff)
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lds=$object/zImage.coff.lds
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link_address='0x500000'
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;;
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-miboot|uboot)
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+miboot|uboot|uboot.fit)
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# miboot and U-boot want just the bare bits, not an ELF binary
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ext=bin
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objflags="-O binary"
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@@ -282,6 +285,21 @@ uboot)
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if [ -z "$cacheit" ]; then
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rm -f "$vmz"
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fi
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+ exit 0
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+ ;;
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+uboot.fit)
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+ rm -f "$ofile"
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+ ${MKITS} -A ppc -C gzip -a $membase -e $membase -v $version \
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+ -d "$srctree/$dtb" -k "$srctree/$vmz" -o "$object/uImage.its"
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+
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+ # mkimage calls dtc for FIT images so use kernel dtc if necessary
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+ export PATH=$PATH:$srctree/scripts/dtc
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+
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+ ${MKIMAGE} -f "$object/uImage.its" "$ofile"
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+ rm "$object/uImage.its"
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+ if [ -z "$cacheit" ]; then
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+ rm -f "$vmz"
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+ fi
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exit 0
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;;
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esac
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