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[POWERPC] bootwrapper: Add a cuboot platform and a cuImage target

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The cuImage target will build a uImage with bootwrapper code and a device
tree.  The default device tree and platform file are determined by the
kernel configuration.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Scott Wood 2007-04-17 09:25:50 +10:00 committed by Paul Mackerras
parent 270429baa9
commit 0fdd717ed4
4 changed files with 34 additions and 5 deletions
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2
arch/powerpc/Makefile
View file

@ -148,7 +148,7 @@ all: $(KBUILD_IMAGE)
CPPFLAGS_vmlinux.lds := -Upowerpc
BOOT_TARGETS = zImage zImage.initrd uImage
BOOT_TARGETS = zImage zImage.initrd uImage cuImage
PHONY += $(BOOT_TARGETS)

3
arch/powerpc/boot/.gitignore vendored
View file

@ -18,6 +18,9 @@ kernel-vmlinux.strip.c
kernel-vmlinux.strip.gz
mktree
uImage
cuImage
cuImage.bin.gz
cuImage.elf
zImage
zImage.chrp
zImage.coff

13
arch/powerpc/boot/Makefile
View file

@ -129,7 +129,7 @@ image-$(CONFIG_PPC_CELLEB) += zImage.pseries
image-$(CONFIG_PPC_CHRP) += zImage.chrp
image-$(CONFIG_PPC_EFIKA) += zImage.chrp
image-$(CONFIG_PPC_PMAC) += zImage.pmac
image-$(CONFIG_DEFAULT_UIMAGE) += uImage
image-$(CONFIG_DEFAULT_UIMAGE) += uImage cuImage
# For 32-bit powermacs, build the COFF and miboot images
# as well as the ELF images.
@ -162,6 +162,14 @@ $(obj)/zImage.initrd.ps3: vmlinux
$(obj)/uImage: vmlinux $(wrapperbits)
$(call if_changed,wrap,uboot)
cuboot-plat-y += unknown-platform
dts = $(if $(shell echo $(CONFIG_) | grep '^/'),\
,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE)
$(obj)/cuImage: vmlinux $(wrapperbits)
$(call if_changed,wrap,cuboot-$(word 1,$(cuboot-plat-y)),$(dts))
$(obj)/zImage: $(addprefix $(obj)/, $(image-y))
@rm -f $@; ln $< $@
$(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
@ -171,7 +179,8 @@ install: $(CONFIGURE) $(image-y)
sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
# anything not in $(targets)
clean-files += $(image-) $(initrd-) zImage zImage.initrd
clean-files += $(image-) $(initrd-) zImage zImage.initrd \
cuImage.elf cuImage.bin.gz
# clean up files cached by wrapper
clean-kernel := vmlinux.strip vmlinux.bin

21
arch/powerpc/boot/wrapper
View file

@ -141,6 +141,9 @@ miboot|uboot)
ksection=image
isection=initrd
;;
cuboot*)
gzip=
;;
esac
vmz="$tmpdir/`basename \"$kernel\"`.$ext"
@ -161,13 +164,17 @@ fi
vmz="$vmz$gzip"
case "$platform" in
uboot)
rm -f "$ofile"
uboot|cuboot*)
version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \
cut -d' ' -f3`
if [ -n "$version" ]; then
version="-n Linux-$version"
fi
esac
case "$platform" in
uboot)
rm -f "$ofile"
mkimage -A ppc -O linux -T kernel -C gzip -a 00000000 -e 00000000 \
$version -d "$vmz" "$ofile"
if [ -z "$cacheit" ]; then
@ -216,4 +223,14 @@ pmaccoff)
${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile"
$object/hack-coff "$ofile"
;;
cuboot*)
base=`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1`
entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | \
cut -d' ' -f3`
mv "$ofile" "$ofile".elf
${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
gzip -f -9 "$ofile".bin
mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
$version -d "$ofile".bin.gz "$ofile"
;;
esac