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#!/bin/bash
#
# Builds OP-TEE Trusted OS.
# Not intended to be called directly, invoked from tos-build.sh.
#
# Board configuration is extracted from
# parse-platforms.py and platforms.config.
#
TOOLS_DIR="`dirname $0`"
. "$TOOLS_DIR"/common-functions
export CFG_TEE_CORE_LOG_LEVEL=2 # 0=none 1=err 2=info 3=debug 4=flow
function usage
{
echo "usage:"
echo "opteed-build.sh -e <EDK2 source directory> -t <UEFI build profile/toolchain> <platform>"
echo
}
function build_platform
{
unset CFG_ARM64_core PLATFORM PLATFORM_FLAVOR DEBUG
TOS_PLATFORM="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o tos_platform`"
if [ X"$TOS_PLATFORM" = X"" ]; then
TOS_PLATFORM="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o atf_platform`"
if [ X"$TOS_PLATFORM" = X"" ]; then
TOS_PLATFORM=$1
fi
fi
TOS_PLATFORM_FLAVOR="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o tos_platform_flavor`"
#
# Read platform configuration
#
PLATFORM_ARCH="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o arch`"
PLATFORM_IMAGE_DIR="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o uefi_image_dir`"
PLATFORM_BUILDFLAGS="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o tos_buildflags`"
if [ $VERBOSE -eq 1 ]; then
echo "PLATFORM_ARCH=$PLATFORM_ARCH"
echo "PLATFORM_IMAGE_DIR=$PLATFORM_IMAGE_DIR"
echo "PLATFORM_BUILDFLAGS=$PLATFORM_BUILDFLAGS"
fi
#
# Set up cross compilation variables (if applicable)
#
# OP-TEE requires both 64- and 32-bit compilers for a 64-bit build
# For details, visit
# https://github.com/OP-TEE/optee_os/blob/master/documentation/build_system.md#cross_compile-cross-compiler-selection
#
set_cross_compile
if [ "$PLATFORM_ARCH" = "AARCH64" ]; then
export CFG_ARM64_core=y
export CROSS_COMPILE_core="$TEMP_CROSS_COMPILE"
export CROSS_COMPILE_ta_arm64="$TEMP_CROSS_COMPILE"
PLATFORM_ARCH="ARM"
set_cross_compile
PLATFORM_ARCH="AARCH64"
echo "CFG_ARM64_core=$CFG_ARM64_core"
echo "CROSS_COMPILE_ta_arm64=$CROSS_COMPILE_ta_arm64"
else
export CFG_ARM64_core=n
fi
export CROSS_COMPILE="$TEMP_CROSS_COMPILE"
echo "CROSS_COMPILE=$CROSS_COMPILE"
echo "CROSS_COMPILE_core=$CROSS_COMPILE_core"
#
# Set up build variables
#
BUILD_TOS="`$TOOLS_DIR/parse-platforms.py $PLATFORM_CONFIG -p $1 get -o build_tos`"
case "$BUILD_TOS" in
debug*)
export DEBUG=1
echo "PROFILE=DEBUG"
;;
*)
export DEBUG=0
echo "PROFILE=RELEASE"
;;
esac
export PLATFORM=$TOS_PLATFORM
export PLATFORM_FLAVOR=$TOS_PLATFORM_FLAVOR
echo "PLATFORM=$PLATFORM"
echo "PLATFORM_FLAVOR=$PLATFORM_FLAVOR"
echo "CFG_TEE_CORE_LOG_LEVEL=$CFG_TEE_CORE_LOG_LEVEL"
#
# Build OP-TEE
#
if [ $VERBOSE -eq 1 ]; then
echo "Calling OP-TEE build:"
fi
make -j$NUM_THREADS ${PLATFORM_BUILDFLAGS}
if [ $? -eq 0 ]; then
#
# Copy resulting images to UEFI image dir
#
if [ $VERBOSE -eq 1 ]; then
echo "Copying tee.bin to "$EDK2_DIR/Build/$PLATFORM_IMAGE_DIR/$BUILD_PROFILE/FV/""
fi
cp -a out/arm-plat-"$TOS_PLATFORM"/core/tee.bin "$EDK2_DIR/Build/$PLATFORM_IMAGE_DIR/$BUILD_PROFILE/FV/"
else
return 1
fi
}
# Check to see if we are in a trusted OS directory
# refuse to continue if we aren't
if [ ! -f documentation/optee_design.md ]
then
echo "ERROR: we aren't in the optee_os directory."
usage
exit 1
fi
build=
if [ $# = 0 ]
then
usage
exit 1
else
while [ "$1" != "" ]; do
case $1 in
"-e" )
shift
EDK2_DIR="$1"
;;
"/h" | "/?" | "-?" | "-h" | "--help" )
usage
exit
;;
"-t" )
shift
BUILD_PROFILE="$1"
;;
* )
build="$1"
;;
esac
shift
done
fi
if [ X"$build" = X"" ]; then
echo "No platform specified!" >&2
echo
usage
exit 1
fi
build_platform $build
exit $?
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