2024-09-20 11:41:44 +02:00

88 lines
2.8 KiB
Bash
Executable File

#!/bin/bash
# Takes a list of dts files for the specified architecture and emits appropriate compiled dtb files for use in customised deviceTree setups.
#
dtc=/usr/bin/dtc
cdir=`pwd`
versions=`dpkg --list | grep linux-image-[0-9].* | cut -d" " -s -f 3 | sed s/^linux-image-// | sort -V`
echo -ne "\nBuilding for kernels: "
echo `echo $versions | sed "s/ /, /g"`
echo
# Disabled auto building of all alt trees, better to do individually
#alt=../alt-trees
#echo "Linking alt dts sources to build root"
#for dts in `ls -d $alt/*/*.dts`; do
# echo "$dts"
# ln -s "$dts" .
#done
# Ensure sure build roots exist and are clean
for revision in $versions ; do
if [ -d "$cdir/$revision" ]; then
echo "Cleaning existing $revision build directory"
rm -f $revision/*.dts $revision/*.dtsi $revision/*.dtb
else
echo "Creating new build directory: $revision"
mkdir $revision
fi
done
failed=0
# Compile for each revision
for revision in $versions ; do
cd $cdir
echo -e "\nCompiling against headers for $revision"
if compgen -G "${PROJECT_DIR}/*.png" > /dev/null; then
echo "Precompiling all includes in build root into $revision build directory"
for file in `ls *.dtsi`; do
echo " $file -> $revision/${file##*/}"
cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
if [ ! -s "$revision/${file##*/}" ] ; then
rm "$revision/${file##*/}"
echo -e "**** ERROR ****\nPrecompile failed for include: $revision/${file##*/}\n"
failed=1
fi
done
else
echo "No includes to Precompile"
fi
for file in `ls *.dts`; do
echo " $file -> $revision/${file##*/}"
cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
if [ ! -s "$revision/${file##*/}" ] ; then
rm "$revision/${file##*/}"
echo -e "**** ERROR ****\nPrecompile failed for source: $revision/${file##*/}\n"
failed=1
fi
done
echo "Compiling all device tree sources in $revision build directory"
cd $revision
for file in `ls *.dts`; do
out=${file/.dts/.dtbo}
echo " $revision/$file -> $revision/$out"
$dtc $file > $out
if [ ! -s "$out" ] ; then
rm "$out"
echo -e "**** ERROR ****\nCompile failed for: $out\n"
failed=1
fi
done
done
# Clean up any empty (failed) build folders.
cd $cdir
rmdir --ignore-fail-on-non-empty $versions
# Notify that errors happened
if [ $failed -eq 1 ]; then
echo -e "\n**** ERRORS detected, see above.\n"
exit 1
fi
echo -e "\nSuccess."
#echo -e "\nSuccess. Consider running 'flash_overlays.sh' to make permanent (see docs)"