build_optee.sh

#!/bin/bash

exec_name=$0

cpu_num=$(grep -c processor /proc/cpuinfo)

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

CROSS_COMPILE=$DIR/../prebuilt/toolchain/aarch64/bin/aarch64-cros-linux-gnu-
KERNEL_ARCH=arm64
KDIR=$DIR/../kernel

function usage(){
  echo "Usage: ${exec_name} <product> [workspace path]"
  echo "supported products: sabrina"
  echo "Note: if [workspace path] is not set, it still builds"
}

if (( $# < 1 ))
then
  usage
  exit 2
fi

readonly product=$1
readonly workspace_path=$2

case $product in
  sabrina)
    make -C $KDIR ARCH=${KERNEL_ARCH} M=$DIR CROSS_COMPILE=${CROSS_COMPILE} modules
    if [ ! -z $workspace_path ]; then
      media_out_dir=${workspace_path}/device/google/${product}-kernel/lib
      mkdir -p ${media_out_dir}

      for ko in optee.ko \
                optee_armtz.ko
      do
          find $MEDIA_MODULES -name $ko | xargs -i cp -v {} $media_out_dir
      done
    fi
    ;;
  *)
    echo "unknown product: $product"
    exit 1
esac