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#!/bin/bash
# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if [ -z "${ANDROID_BUILD_TOP}" ]; then
WD="$(pwd)"
else
WD="${ANDROID_BUILD_TOP}"
fi
if [ -z "${OUT_DIR}" ]; then
OUT_DIR="${WD}/out"
fi
if [[ -z "${DIST_DIR}" ]]; then
echo "DIST_DIR must be defined." 1>&2
exit 1
fi
GZIP="gzip"
LZ4="${OUT_DIR}/host/linux-x86/bin/lz4"
function prepare_lz4()
{
if ! [ -f ${LZ4} ]; then
echo "make $LZ4"
cd ${WD}
build/soong/soong_ui.bash --make-mode lz4
cd -
fi
}
#
# This function copies kernel prebuilts from build chaining path to a staging
# output directory.
#
function prepare_kernel_image()
{
local prebuilt_path=$1
local kernel_version=$2
local arch=$3
local build_variant=$4
local prebuilts_root="out/prebuilt_cached/${prebuilt_path}"
local out_root="${OUT_DIR}/target/kernel/${kernel_version}/${arch}"
local dist_root="${DIST_DIR}/kernel/${kernel_version}"
local postfix=""
if [[ "$build_variant" == "debug" ]]; then
dist_root="${dist_root}-debug"
postfix="-allsyms"
fi
mkdir -p "${out_root}"
printf "%-38s %20s\n" "copy kernel ${kernel_version} ${arch} ${build_variant} to" "${out_root}"
if [[ "$arch" == "x86_64" ]]; then
cp "${prebuilts_root}/bzImage" "${out_root}/kernel-${kernel_version}${postfix}"
else
# Pack all compress format for kernel images
cp "${prebuilts_root}/Image" "${out_root}/kernel-${kernel_version}${postfix}"
cp "${prebuilts_root}/Image.lz4" "${out_root}/kernel-${kernel_version}-lz4${postfix}"
"$GZIP" -nc \
"${prebuilts_root}/Image">"${out_root}/kernel-${kernel_version}-gz${postfix}"
fi
# Prepare the dist folder
mkdir -p "${dist_root}"
# Prepare prebuilt-info.txt
# BID=$(cat "${prebuilts_root}/BUILD_INFO" | sed -n 's/^.*"bid":\s*"\(.*\)".*$/\1/p')
# cat > "${dist_root}/prebuilt-info.txt" <<EOF
#{
# "kernel-build-id": ${BID}
#}
#EOF
printf "generate ${dist_root}/prebuilt-info.txt with kernel\n"
cksum "${out_root}/kernel-${kernel_version}${postfix}"
local t="${out_root}/prebuilt-info.txt"
echo "{" > $t
echo -n " \"kernel-build-id\": " >> $t
strings "${out_root}/kernel-${kernel_version}${postfix}" |grep -E "Linux version [0-9]\." | sed -e 's/Linux version.*-ab//'| cut -f1 -d ' ' >> $t
echo "}" >> $t
cp $t ${dist_root}/prebuilt-info.txt
}
#
# This function copies kernel module prebuilts from the build chaining path to a
# staging output directory.
#
function prepare_kernel_modules()
{
local prebuilt_path=$1
local kernel_version=$2
local arch=$3
local prebuilts_root="out/prebuilt_cached/${prebuilt_path}"
local out_root="${OUT_DIR}/target/kernel/${kernel_version}/${arch}"
local dist_root="${DIST_DIR}/kernel/${kernel_version}"
local initramfs_root="${out_root}/initramfs"
rm -rf ${initramfs_root}
mkdir -p "${initramfs_root}"
printf "%-38s %20s\n" "copy kernel modules ${kernel_version} ${arch} to" "${initramfs_root}"
"${LZ4}" -dcfm "${prebuilts_root}/initramfs.img" | (cd "${initramfs_root}"; cpio -imd)
for x in $(find "${initramfs_root}" -type f -name "*.ko"); do
cp "$x" "${out_root}"
done
}
#
# This function updates kernel prebuilts with the local staging directory.
#
function update_kernel_prebuilts_with_artifact
{
local kernel_version=$1
local arch=$2
local out_root="${OUT_DIR}/target/kernel/${kernel_version}/${arch}"
local prebuilts_dir="kernel/prebuilts/${kernel_version}/${arch}/"
local list="\
kernel-${kernel_version}-allsyms \
kernel-${kernel_version}-gz-allsyms \
kernel-${kernel_version}-lz4-allsyms \
kernel-${kernel_version} \
kernel-${kernel_version}-gz \
kernel-${kernel_version}-lz4 \
prebuilt-info.txt"
printf "%20s\n --> %20s\n" "${out_root}" "${prebuilts_dir}"
for f in ${list}; do
echo \
cp -f ${out_root}/$f ${prebuilts_dir}
cp -f ${out_root}/$f ${prebuilts_dir}
done
}
#
# This function updates kernel module prebuilts with the local staging directory.
#
function update_kernel_module_prebuilts_with_artifact
{
local kernel_version=$1
local arch=$2
local out_root="${OUT_DIR}/target/kernel/${kernel_version}/${arch}"
local initramfs_root="${out_root}/initramfs"
local prebuilts_dir="kernel/prebuilts/common-modules/virtual-device/${kernel_version}/${arch}/"
printf "%20s\n --> %20s\n" "${initramfs_root}" "${prebuilts_dir}"
rm -f ${prebuilts_dir}/*.ko
for x in $(find "${initramfs_root}" -type f -name "*.ko"); do
cp -f ${x} ${prebuilts_dir}
done
}
function pack_boot_for_certification
{
local file=boot.zip
local dist=$1
pushd ${dist}
rm -f ${file}
zip ${file} boot*.img
popd
}
|
