#!/bin/bash -e
WORK_DIR_TOP=$(cd `dirname $0` ; pwd)

#./build.sh or ./build.sh 3232 to compile CA TA with 32 bits
#./build.sh 6432 to compile CA with 64 bits and TA with 32 bits
#./build.sh ta to compile TA with 32 bits

TOOLCHAIN_PREBUILTS=$WORK_DIR_TOP/../../../../prebuilts

if [ ! -d "$TOOLCHAIN_PREBUILTS" ]; then
	TOOLCHAIN_PREBUILTS=$WORK_DIR_TOP/../../../prebuilts
fi

TOOLCHAIN_PATH_ARM32=$TOOLCHAIN_PREBUILTS/gcc/linux-x86/arm/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin
TOOLCHAIN_PATH_AARCH64=$TOOLCHAIN_PREBUILTS/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin
CROSS_COMPILE32=arm-linux-gnueabihf-
CROSS_COMPILE64=aarch64-linux-gnu-

if [ -z "$AARCH64_TOOLCHAIN" ]; then
	AARCH64_TOOLCHAIN=$TOOLCHAIN_PATH_AARCH64/$CROSS_COMPILE64
else
	AARCH64_TOOLCHAIN=`readlink -f $AARCH64_TOOLCHAIN`
	TOOLCHAIN_PATH_AARCH64=`dirname $AARCH64_TOOLCHAIN`
fi

if [ -z "$ARM32_TOOLCHAIN" ]; then
	ARM32_TOOLCHAIN=$TOOLCHAIN_PATH_ARM32/$CROSS_COMPILE32
else
	ARM32_TOOLCHAIN=`readlink -f $ARM32_TOOLCHAIN`
	TOOLCHAIN_PATH_ARM32=`dirname $ARM32_TOOLCHAIN`
fi

make TA_DEV_KIT_DIR=$WORK_DIR_TOP/export-user_ta clean
BUILD_CATA_BITS="$1"

if [ "$BUILD_CATA_BITS" == "3264" ] || [ "$BUILD_CATA_BITS" == "6464" ]; then
	if [ ! -d "${TOOLCHAIN_PATH_AARCH64}" ]; then
		echo "Toolchain error! Need toolchain: ${TOOLCHAIN_PATH_AARCH64}"
		echo "You can get it from following address:"
		echo "https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads"
		exit
	fi
else
	if [ ! -d "${TOOLCHAIN_PATH_ARM32}" ]; then
		echo "Toolchain error! Need toolchain: ${TOOLCHAIN_PATH_ARM32}"
		echo "You can get it from following address:"
		echo "https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads"
		exit
	fi
fi

if [ "$BUILD_CATA_BITS" == "3232" ]; then
	export BUILD_CA=y
	make CROSS_COMPILE_HOST=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_TA=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_user_ta=$ARM32_TOOLCHAIN \
	CROSS_COMPILE=$ARM32_TOOLCHAIN \
	TA_DEV_KIT_DIR=$WORK_DIR_TOP/export-user_ta \
	COMPILE_NS_USER=32 \
	O=$WORK_DIR_TOP/out
fi

if [ "$BUILD_CATA_BITS" == "6432" ]; then
	export BUILD_CA=y
	make CROSS_COMPILE_HOST=$AARCH64_TOOLCHAIN \
	CROSS_COMPILE_TA=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_user_ta=$ARM32_TOOLCHAIN \
	CROSS_COMPILE=$ARM32_TOOLCHAIN \
	TA_DEV_KIT_DIR=$WORK_DIR_TOP/export-user_ta \
	COMPILE_NS_USER=64 \
	O=$WORK_DIR_TOP/out
fi

if [ "$BUILD_CATA_BITS" == "" ]; then
	export BUILD_CA=y
	make CROSS_COMPILE_HOST=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_TA=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_user_ta=$ARM32_TOOLCHAIN \
	CROSS_COMPILE=$ARM32_TOOLCHAIN \
	TA_DEV_KIT_DIR=$WORK_DIR_TOP/export-user_ta \
	COMPILE_NS_USER=32 \
	O=$WORK_DIR_TOP/out
fi
if [ "$BUILD_CATA_BITS" == "ta" ]; then
	make CROSS_COMPILE_HOST=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_TA=$ARM32_TOOLCHAIN \
	CROSS_COMPILE_user_ta=$ARM32_TOOLCHAIN \
	CROSS_COMPILE=$ARM32_TOOLCHAIN \
	TA_DEV_KIT_DIR=$WORK_DIR_TOP/export-user_ta \
	COMPILE_NS_USER=32 \
	O=$WORK_DIR_TOP/out
fi
