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#!/bin/bash -e
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# powerpc initrd inbuilder script.
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# Sven Luther, MArch 2004
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# This is free software under the GNU General Public License.
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# May also be set in Makefile
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arch=${architecture:-$(dpkg --print-architecture)}
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# Print a usage message and exit if the argument count is wrong.
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if [ $# != 6 ]; then
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echo "Usage: $0 vmlinux System.map initrd.gz builddir destdir kvers" 1>&2
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cat 1>&2 << EOF
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vmlinux: the plain uncompressed powerpc/elf Linux kernel.
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System.map: uncompressed System.map.
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initrd.gz: a compressed disk image to load in ramdisk and mount as root.
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builddir: temporary directory where the kernel-build tree is unpacked to.
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destdir: destination directory for the kernel images with builtin initrd.
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kvers: version of the kernel to build
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EOF
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exit -1
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fi
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# Set this to the location of the kernel
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kernel=$1
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# Set this to the path of the compressed System.map
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sysmap=$2
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# Set this to the path of the compressed initrd
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initrd=$3
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# Set this to the path of the temporary build directory
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builddir=$4
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# Set this to the path of the destination directory
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destdir=$5
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# Set this to the kernel version used.
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kvers=$6
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# Make sure the files are available, $sysmap can be /dev/null
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for file in "$kernel" "$initrd"; do
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if [ ! -f $file ]; then
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echo "error: could not find $file"
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exit 1
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fi
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done
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# Make sure the directories are available
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for file in "$builddir" "$destdir"; do
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if [ ! -d $file ]; then
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echo "error: $file inexistand or not a directory"
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exit 1
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fi
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done
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# Unpack the kernel source tree, if not present.
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tar -C $builddir -xjf /usr/src/kernel-build-$kvers.tar.bz2
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# Copy kernel, System.map and initrd to the build tree.
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cp $kernel $builddir/kernel-build-$kvers
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cp $sysmap $builddir/kernel-build-$kvers
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cp $initrd $builddir/kernel-build-$kvers/arch/ppc/boot/images/ramdisk.image.gz
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# Cleanup.
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for i in `find $builddir/kernel-build-$kvers -name \*.o`; do touch $i; done
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rm -f $builddir/kernel-build-$kvers/arch/ppc/boot/chrp/image.o
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rm -f `find $builddir/kernel-build-$kvers -name .depend`
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# Actual build of the kernels with builtin initrd.
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make -C $builddir/kernel-build-$kvers/arch/ppc/boot \
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TOPDIR=$builddir/kernel-build-$kvers OBJCOPY=objcopy \
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CONFIG_ALL_PPC=y CONFIG_VGA_CONSOLE=y \
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CONFIG_SERIAL_CONSOLE=y zImage.initrd
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# Copying build directories to destdir.
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for subarch in chrp chrp-rs6k prep; do
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cp $builddir/kernel-build-$kvers/arch/ppc/boot/images/zImage.initrd.$subarch \
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$destdir/vmlinuz-$subarch.initrd
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done
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exit 0
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