#! /bin/sh

#
# /sbin/installkernel.iSeries  - written by streeter@redhat.com
#
# installkernel a|b|c|prep [<kernel filename>]

INSTALL_PATH=/boot

SIDE=`echo $1|tr a-z A-Z`
BOOTIMAGE=$2

if [ -z "$BOOTIMAGE" ]; then
    BOOTIMAGE=/boot/vmlinux-`uname -r`
    if [ -f ${BOOTIMAGE}.initrd ]; then
	BOOTIMAGE=${BOOTIMAGE}.initrd
    fi
fi

if [ ! -f $BOOTIMAGE ]; then
    echo "Cannot install from $BOOTIMAGE"
else
    if [ -n "$SIDE" ]; then
	if [ PREP = $SIDE ]; then
	    tmpdisk=/dev/`sed -n -e '3s/^[^[:alpha:]]*\([/[:alnum:]]\+\).*$/\1/p' < /proc/partitions`
	    tmppart=`fdisk -l $tmpdisk  |sed -n -e 's/^\([^[:blank:]]\+\).*PPC PReP Boot/\1/p'`
	    if [ -n "$tmppart" ]; then
		dd if=$BOOTIMAGE of=$tmppart bs=4k
		exit
	    else
		echo "Cannot find a Prep Boot partition on the first disk"
	    fi
	else
	    if [ A = $SIDE -o B = $SIDE -o C = $SIDE ]; then
		dd if=$BOOTIMAGE of=/proc/iSeries/mf/$SIDE/vmlinux bs=8k
		echo $SIDE >/proc/iSeries/mf/side
		exit
	    fi
	fi
    fi
fi

echo "Usage:"
echo "	installkernel a|b|c|prep [<kernel filename>]"

exit -1