UBUNTU: [Packaging] add rules to build FIT image

[mirror_ubuntu-bionic-kernel.git] / debian / scripts / build-fit

#!/bin/sh -e
# Creates a FIT image
# $1: ITS file (FIT components description)
# $2: list of space-separated dtb files
# $3: kernel version
# $4: kernel modules directory
# $5: destination directory

. debian/debian.env

echo "Creating FIT image"
fit_its="$1"
dtb_files="$2"
KERNEL_VERSION="$3"
KERNEL_MODULES_D="$4"
dest_d="$5"

set -x
fit_d=$dest_d
mkdir -p "$fit_d"
# Export variables to be used by hooks
export KERNEL_VERSION
export KERNEL_MODULES_D
initrd_f=initrd.img
mkinitramfs -o "$initrd_f"
mv "$initrd_f" "$fit_d"

mkdir -p "$fit_d"/dtbs/
for dtb in $dtb_files; do
    cp -f "$dtb" "$fit_d"/dtbs/
done

cp -f "$dest_d"/vmlinuz-* "$fit_d"/zImage
cp -f "$fit_its" "$fit_d"

cd "$fit_d"
mkimage -D "-I dts -O dtb -p 2000" -f "${fit_its##*/}" fit-"$KERNEL_VERSION".fit
cd -

rm -rf "$fit_d"/"$initrd_f" "$fit_d"/dtbs/ "$fit_d"/zImage "$fit_d"/"${fit_its##*/}"