40 lines
1.5 KiB
Bash
40 lines
1.5 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2021 Huawei Device Co., Ltd.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may 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,
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# WITHOUT 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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set -e
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OUTPUT_DIR=$1
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TYPE=$2
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if [ "${TYPE}" = "veritysetup" ]; then
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veritysetup format ${OUTPUT_DIR}/systemfs_ext4.img ${OUTPUT_DIR}/systemhashfs/system_hashtree\
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--data-block-size=1024 --hash-block-size=1024 > ${OUTPUT_DIR}/system_verityheader
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sed -n "9p" ${OUTPUT_DIR}/system_verityheader | awk '{print $3}' > ${OUTPUT_DIR}/systemhashfs/system_roothash
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elif [ "${TYPE}" = "addS82ohos" ]; then
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mkdir ${OUTPUT_DIR}/rootfs/systemfs
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mkdir ${OUTPUT_DIR}/rootfs/systemhashfs
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CMD='
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if [ ! -e /dev/mmcblk0p6 ]; then
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exit 0
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fi
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mount -t ext4 -o ro /dev/mmcblk0p6 /systemhashfs
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/bin/veritysetup create dm-systemfs /dev/mmcblk0p5 /systemhashfs/system_hashtree $(cat /systemhashfs/system_roothash)
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mount -t ext4 /dev/dm-0 /systemfs
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echo 3840 > /sys/block/dm-0/queue/read_ahead_kb
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echo 0 > /sys/module/dm_verity/parameters/prefetch_cluster'
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echo "$CMD" >> ${OUTPUT_DIR}/rootfs/etc/init.d/S82ohos
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else
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echo "Unsupported type!" >&2
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fi
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