go.sh

#!/bin/bash

TARGETS=${@}


if [ -z "$TARGETS" ]; then
	echo "Please specify target"
	exit 1
fi
if [ "$TARGETS" == "all" ]; then
	TARGETS=$(ls -1 configs/ | sed 's/.config//')
	TARGETS=${TARGETS}" tools"
fi

COMMIT="3f461da11f1f8e9dcfdffef24e1982b5ffd10305"
GITDIR=${PWD}
JOBS=$(python -c 'import multiprocessing as mp; print(mp.cpu_count())')

unameOut="$(uname -s)"
case "${unameOut}" in
    Linux*)     machine=Linux;;
    Darwin*)    machine=Mac;;
    CYGWIN*)    machine=Cygwin;;
    MINGW*)     machine=MinGw;;
    *)          machine="UNKNOWN:${unameOut}"
esac

if [ "$machine" == "Mac" ]; then
	ImageName=CrossToolNGNew
	ImageNameExt=${ImageName}.sparseimage
	if [ ! -e "$ImageNameExt" ]; then
	diskutil umount force /Volumes/${ImageName} && true
	rm -f ${ImageNameExt} && true
	hdiutil create ${ImageName} -volname ${ImageName} -type SPARSE -size 24g -fs HFSX
	fi
	if [ ! -d "/Volumes/$ImageName" ]; then
		hdiutil mount ${ImageNameExt}
	fi
	cd /Volumes/$ImageName
fi

export SDK_NG_HOME=${PWD}

for t in ${TARGETS}; do
	if [ "${t}" = "tools" ]; then
		./meta-zephyr-sdk/scripts/meta-zephyr-sdk-clone.sh;
		./meta-zephyr-sdk/scripts/meta-zephyr-sdk-build.sh tools;
		mv ./meta-zephyr-sdk/scripts/toolchains/zephyr-sdk-x86_64-hosttools-standalone-0.9.sh .
	fi
done

if [ ! -d "crosstool-ng" ]; then
	git clone https://github.com/crosstool-ng/crosstool-ng.git
	echo "Patching tree"
	pushd crosstool-ng
	git checkout ${COMMIT}
	for p in ${GITDIR}/patches/*.patch; do patch -p1 < $p; done
	popd
fi

if [ ! -e "${SDK_NG_HOME}/bin/ct-ng" ]; then
	pushd crosstool-ng
	./bootstrap
	CFLAGS="-DKBUILD_NO_NLS" ./configure --prefix=${SDK_NG_HOME}
	make && make install
	popd
fi

CT_NG=${SDK_NG_HOME}/bin/ct-ng

mkdir -p build
cd build
export OUTPUT_DIR=`pwd`/output
mkdir -p ${OUTPUT_DIR}/sources
for t in ${TARGETS}; do
	if [ "${t}" = "tools" ]; then
		# We handled tools above, so skip it here
		continue
	fi
	if [ ! -f ${GITDIR}/configs/${t}.config ]; then
		echo "Target configuration does not exist"
		exit 1
	fi
	echo "Building ${t}"
	mkdir -p build_${t}
	pushd build_${t}

	build_toolchain=1
	if [ -n "${build_toolchain}" ]; then
		case "${t}" in
			xtensa_*)
				cp -a ${SDK_NG_HOME}/overlays .
				export CT_PREFIX=${OUTPUT_DIR}/xtensa/${t#xtensa_}
				mkdir -p ${CT_PREFIX}
				;;
			*)
				export CT_PREFIX=${OUTPUT_DIR}
				;;
		esac

		${CT_NG} clean
		${CT_NG} defconfig DEFCONFIG=${GITDIR}/configs/${t}.config
		${CT_NG} savedefconfig DEFCONFIG=${t}.config
		${CT_NG} build -j ${JOBS}
		if [ $? != 0 ]; then
			exit 1
		fi
	fi

	# Need to build HAL to Xtensa
	if [[ ${t} == xtensa_* ]]; then
		# Extract HAL from source
		wget https://github.com/foss-xtensa/xtensa-hal/archive/RF-2015.2.tar.gz
		tar xf RF-2015.2.tar.gz
		pushd xtensa-hal-RF-2015.2

		# Extract SoC specific config file into HAL directory
		case "${t}" in
			xtensa_sample_controller)
				wget https://github.com/foss-xtensa/xtensa-config/releases/download/201702/sample_controller_linux.tgz
				./import-core.sh sample_controller_linux.tgz
				;;
			xtensa_intel_apl_adsp)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/intel_apl_adsp/0001-Adding-APL-DSP-config-files.patch
				;;
			xtensa_intel_bdw_adsp)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/intel_bdw_adsp/0001-Adding-BDW-DSP-config-files.patch
				;;
			xtensa_intel_byt_adsp)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/intel_byt_adsp/0001-Adding-BYT-DSP-config-files.patch
				;;
			xtensa_nxp_imx_adsp)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/nxp_imx_adsp/0001-Adding-IMX8-DSP-config-files.patch
				;;
			xtensa_nxp_imx8m_adsp)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/nxp_imx8m_adsp/0001-Adding-IMX8M-DSP-config-files.patch
				;;
			xtensa_intel_s1000)
				patch -p1 -N < ${GITDIR}/patches/xtensa/hal/intel_s1000/0001-Add-Sue-Creek-config-files.patch
				;;
		esac

		# Build the HAL
		cat <<-EOF > build.sh
			export PATH=${CT_PREFIX}/xtensa-zephyr-elf/bin:$PATH
			export CC=${CT_PREFIX}/xtensa-zephyr-elf/bin/xtensa-zephyr-elf-gcc
			./configure --host xtensa-zephyr-elf --prefix ${CT_PREFIX}/xtensa-zephyr-elf
			make
			make install
			EOF
		$BASH build.sh

		popd
	fi

	popd
	test -n ${DEBUG_BUILD} || rm -rf  build_${t}

done