slackbuilds/system/xen/dom0/kernel-xen.sh

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#!/bin/sh
# Xem dom0 kernel installation script
# Written by Chris Abela <chris.abela@maltats.com>, 20100515
# Modified by Mario Preksavec <mario@slackware.hr>
KERNEL=${KERNEL:-5.15.4}
XEN=${XEN:-4.15.1}
ROOTMOD=${ROOTMOD:-ext4}
ROOTFS=${ROOTFS:-ext4}
ROOTDEV=${ROOTDEV:-/dev/sda2}
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
x86_64) ARCH=x86_64 ;;
*) echo "Unsupported architecture detected ($ARCH)"; exit ;;
esac
fi
if [ ! -d /usr/src/linux-$KERNEL ]; then
echo "Missing kernel source in /usr/src/linux-$KERNEL"
echo "Get it from kernel.org and rerun this script."
exit
fi
CWD=$(pwd)
TMP=${TMP:-/tmp/xen}
set -e
rm -rf $TMP
mkdir -p $TMP
# Prepare kernel source
cd /usr/src
cp -a linux-$KERNEL linux-$KERNEL-xen
ln -s linux-$KERNEL-xen xenlinux
cd linux-$KERNEL-xen
make clean
# Copy the right config
cat $CWD/config-$KERNEL-xen.$ARCH > .config
# If the user wants, we will run menuconfig
if [ "$MENUCONFIG" = yes ]; then
unset junk
make menuconfig
while [ "$junk" != N ]; do
echo
echo "Do you want to run"
echo "# make menuconfig"
echo -n "again? (Y/N) "
read junk
if [ "$junk" = Y ]; then
make menuconfig
fi
done
fi
make bzImage modules
make modules_install INSTALL_MOD_PATH=$TMP
# Install modules
cp -a $TMP/lib/modules/$KERNEL-xen /lib/modules
# Create initrd
mkinitrd -c -k $KERNEL-xen -m $ROOTMOD -f $ROOTFS -r $ROOTDEV \
-o /boot/initrd-$KERNEL-xen.gz
cp arch/x86/boot/bzImage /boot/vmlinuz-$KERNEL-xen
cp System.map /boot/System.map-$KERNEL-xen
cp .config /boot/config-$KERNEL-xen
cd /boot
ln -s vmlinuz-$KERNEL-xen vmlinuz-xen
ln -s System.map-$KERNEL-xen System.map-xen
ln -s config-$KERNEL-xen config-xen
ln -s initrd-$KERNEL-xen.gz initrd-xen.gz
# Clean up kernel sources
cd /usr/src/linux-$KERNEL-xen
make clean
rm xen-$XEN