mirror of
https://github.com/Fishwaldo/build.git
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87 lines
2.4 KiB
Bash
87 lines
2.4 KiB
Bash
#!/bin/bash
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# Copyright (c) 2017 The Armbian Project https://www.armbian.com/
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#
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# This file is licensed under the terms of the GNU General Public
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# License version 2. This program is licensed "as is" without any
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# warranty of any kind, whether express or implied.
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if [[ ! -n $1 ]]; then
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echo >&2 "Usage: $0 <overlay_source_file.dts>"
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exit -1
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fi
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if [[ $EUID -ne 0 ]]; then
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echo >&2 "This program must be run with superuser rights"
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exit -1
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fi
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if [[ ! -f $1 ]]; then
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echo >&2 "Can't open file $1. File does not exist?"
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exit -1
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fi
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if [[ $1 == *.dts ]]; then
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fname=$(basename $1 .dts)
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else
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echo >&2 "Overlay source file name should have the .dts extension"
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exit -1
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fi
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if [[ ! -f /etc/armbian-release || ! -f /boot/armbianEnv.txt ]]; then
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echo >&2 "Armbian is not installed properly. Missing armbian-release or armbianEnv.txt"
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exit -1
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fi
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. /etc/armbian-release
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if [[ $LINUXFAMILY != sunxi && $LINUXFAMILY != sun8i ]]; then
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echo >&2 "Overlays are supported only on A10, A20, H3, H5 and A64 based boards"
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exit -1
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fi
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if [[ $BRANCH != next && $BRANCH != dev ]]; then
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echo >&2 "Overlays are supported only on mainline kernel based images"
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exit -1
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fi
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if [[ ! -d /lib/modules/$(uname -r)/build/scripts/ ]]; then
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echo >&2 "Kernel headers are not installed properly. Please install the kernel headers package"
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exit -1
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fi
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if [[ ! -x /lib/modules/$(uname -r)/build/scripts/dtc/dtc ]]; then
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echo >&2 "Missing dtc compiler in kernel headers directory. Please reinstall the kernel headers package"
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exit -1
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fi
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if [[ ! -d /boot/overlay-user ]]; then
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mkdir -p /boot/overlay-user
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fi
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temp_dir=$(mktemp -d)
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echo "Compiling the overlay"
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/lib/modules/$(uname -r)/build/scripts/dtc/dtc -@ -q -I dts -O dtb -o ${temp_dir}/${fname}.dtbo $1
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if [[ $? -ne 0 ]]; then
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echo >&2 "Error compiling the overlay"
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exit -1
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fi
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echo "Copying the compiled overlay file to /boot/overlay-user/"
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cp ${temp_dir}/${fname}.dtbo /boot/overlay-user/${fname}.dtbo
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if grep -q '^user_overlays=' /boot/armbianEnv.txt; then
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line=$(grep '^user_overlays=' /boot/armbianEnv.txt | cut -d'=' -f2)
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if grep -qE "(^|[[:space:]])${fname}([[:space:]]|$)" <<< $line; then
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echo "Overlay ${fname} was already added to /boot/armbianEnv.txt, skipping"
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else
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sed -i -e "/^user_overlays=/ s/$/ ${fname}/" /boot/armbianEnv.txt
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fi
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else
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sed -i -e "\$auser_overlays=${fname}" /boot/armbianEnv.txt
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fi
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echo "Reboot is required to apply the changes"
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