build_perf.sh

# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
#
# Copyright (c) 2021 Google, Inc. All rights reserved.
#
#!/bin/bash

exec_name=$0
our_root=$(readlink -f $(dirname $0))
top=${our_root}/..

set -o errtrace
trap 'echo Fatal error: script ${exec_name} aborting at line $LINENO,\
	 command \"$BASH_COMMAND\" returned $?; exit 1' ERR

arch=arm64
toolchain_path=$top/prebuilt/toolchain/aarch64
cc_clang=$toolchain_path/bin/aarch64-cros-linux-gnu-clang
cross_compile=$toolchain_path/bin/aarch64-cros-linux-gnu-

function usage(){
  echo "Usage: ${exec_name} <product> [workspace path]"
  echo "supported products: korlan"
}

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

readonly kernel_dir=${our_root}
readonly product=$1
readonly workspace_path=$2

function build_perf(){
  pushd $kernel_dir/tools/perf
  # overwrite the syscalls definitions
  cp $toolchain_path/usr/aarch64-cros-linux-gnu/usr/include/asm-generic/unistd.h \
    ../include/uapi/asm-generic/unistd.h
  make CC=$cc_clang CROSS_COMPILE=$cross_compile ARCH=$arch
  popd
}

case $product in
  korlan)
    build_perf
    ;;
  *)
    echo "unknown board: $board"
    exit 1
esac