Raspi4_Echtzeit-Erweiterung/rt-kernel/installscript.bash

KERN=5.10.74-rt54-v7l+
mkdir -p /boot/$KERN/overlays/
cp -d /usr/lib/linux-image-$KERN/overlays/* /boot/$KERN/overlays/
cp -dr /usr/lib/linux-image-$KERN/* /boot/$KERN/
[[ -d /usr/lib/linux-image-$KERN/broadcom ]] && cp -d /usr/lib/linux-image-$KERN/broadcom/* /boot/$KERN/
touch /boot/$KERN/overlays/README
mv /boot/vmlinuz-$KERN /boot/$KERN/
mv /boot/initrd.img-$KERN /boot/$KERN/
mv /boot/System.map-$KERN /boot/$KERN/
mv /boot/config-$KERN /boot/$KERN/
cat >> /boot/config.txt << EOF

[all]
kernel=vmlinuz-$KERN
# initramfs initrd.img-$KERN
os_prefix=$KERN/
overlay_prefix=overlays/$(if [[ "$KERN" =~ 'v8' ]]; then echo -e "\narm_64bit=1"; fi)
[all]
EOF