mirror of
https://github.com/ARM-software/devlib.git
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121 lines
2.4 KiB
Bash
121 lines
2.4 KiB
Bash
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#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Copyright (C) 2024, ARM Limited and contributors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Forked from LISA/tools/lisa-buildroot-create-rootfs.
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#
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set -eu
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ARCH="aarch64"
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BUILDROOT_URI="git://git.busybox.net/buildroot"
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KERNEL_IMAGE_NAME="Image"
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function print_usage
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{
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echo "Usage: ${0} [options]"
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echo " options:"
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echo " -a: set arch (default is aarch64, x86_64 is also supported)"
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echo " -p: purge buildroot to force a fresh build"
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echo " -h: print this help message"
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}
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function set_arch
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{
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if [[ "${1}" == "aarch64" ]]; then
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return 0
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elif [[ "${1}" == "x86_64" ]]; then
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ARCH="x86_64"
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KERNEL_IMAGE_NAME="bzImage"
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return 0
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fi
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return 1
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}
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while getopts "ahp" opt; do
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case ${opt} in
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a)
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shift
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if ! set_arch "${1}"; then
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echo "Invalid arch \"${1}\"."
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exit 1
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fi
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;;
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p)
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rm -rf "${BUILDROOT_DIR}"
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exit 0
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;;
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h)
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print_usage
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exit 0
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;;
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*)
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print_usage
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exit 1
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;;
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esac
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done
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# Execute function for once
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function do_once
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{
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FILE="${BUILDROOT_DIR}/.devlib_${1}"
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if [ ! -e "${FILE}" ]; then
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eval "${1}"
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touch "${FILE}"
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fi
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}
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function br_clone
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{
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git clone -b ${BUILDROOT_VERSION} -v ${BUILDROOT_URI} "${BUILDROOT_DIR}"
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}
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function br_apply_config
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{
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pushd "${BUILDROOT_DIR}" >/dev/null
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mkdir -p "board/arm-power/${ARCH}/"
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cp -f "../configs/post-build.sh" "board/arm-power/"
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cp -f "../configs/${ARCH}/arm-power_${ARCH}_defconfig" "configs/"
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cp -f "../configs/${ARCH}/linux.config" "board/arm-power/${ARCH}/"
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make "arm-power_${ARCH}_defconfig"
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popd >/dev/null
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}
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function br_build
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{
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pushd "${BUILDROOT_DIR}" >/dev/null
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make
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popd >/dev/null
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}
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BUILDROOT_VERSION=${BUILDROOT_VERSION:-"2023.11.1"}
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BUILDROOT_DIR="$(dirname "$0")/buildroot-v${BUILDROOT_VERSION}-${ARCH}"
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do_once br_clone
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do_once br_apply_config
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br_build
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echo "Kernel image \"${BUILDROOT_DIR}/output/images/${KERNEL_IMAGE_NAME}\" is ready."
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