refactor, extensive, still a work in progress

build-trees/make_dtb.sh

@@ -0,0 +1,37 @@
+#!/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
+revision=`/usr/bin/uname -r`
+trees=../precompiled-trees
+
+echo "Compiling against headers for $revision"
+
+if [ -d "$revision" ]; then
+    echo "Cleaning and Using existing build directory"
+    rm "$revision/*.dts $revision/*.dtsi $revision/*.dtb"
+else
+    echo "Creating new build directory: $revision"
+    mkdir "$revision"
+fi
+
+echo "Copying custom dts sources to build root"
+for dts in `ls -d $trees/*/*.dts`; do
+    echo "$dts"
+    cp $dts .
+done
+
+echo "Precompiling all includes and sources in build root into $revision build directory"
+for file in `ls {*.dts,*.dtsi}`; do
+    echo "Processing $file to $revision/${file##*/}"
+    cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
+done
+
+echo "Compiling all device tree sources in $revision build directory"
+cd $revision
+for file in `ls *.dts`; do
+    out=${file/.dts/.dtb}
+    echo "Compiling: $revision/$file > $revision/$out"
+    $dtc $file > $out
+done