build: add build script to configure kernel and tools build systems

build.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+arch=$1
+tools_src_dir="$(pwd)/tools"
+kernel_src_dir="$(pwd)"
+
+tools_build_dir="$(pwd)/build/tools"
+kernel_build_dir="$(pwd)/build"
+
+bin_dir="$kernel_build_dir/bin"
+lib_dir="$kernel_build_dir/lib"
+
+if [[ -z "$arch" ]]; then
+	echo "No architecture specified."
+	exit -1
+fi
+
+rm -rf $kernel_build_dir
+mkdir -p $tools_build_dir
+mkdir -p $kernel_build_dir
+
+pushd $tools_build_dir
+cmake \
+	-DCMAKE_RUNTIME_OUTPUT_DIRECTORY="$bin_dir" \
+	-DCMAKE_LIBRARY_OUTPUT_DIRECTORY="$lib_dir" \
+	-DCMAKE_ARCHIVE_OUTPUT_DIRECTORY="$lib_dir" \
+	$tools_src_dir
+ninja
+popd
+
+pushd $kernel_build_dir
+cmake \
+	-DBUILD_TOOLS_DIR="$bin_dir" \
+	-DCMAKE_TOOLCHAIN_FILE="$kernel_src_dir/arch/$arch/toolchain.cmake" \
+	$kernel_src_dir
+ninja
+popd