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2024-1-19 14:48 |
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签到天数: 17 天 [LV.4]偶尔看看III
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发表于 2022-6-20 09:29:28
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看下 rootfsimg.sh 里面到底是啥 , 文件详细说明可前往查看
- root@turingkuang:/home/openharmony/code-v3.1.1-Release/OpenHarmony/out/arm_virt/qemu_small_system_demo# cat /home/openharmony/code-v3.1.1-Release/OpenHarmony/kernel/liteos_a/tools/scripts/make_rootfs/rootfsimg.sh
- #!/bin/bash
- #
- # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- # Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without modification,
- # are permitted provided that the following conditions are met:
- #
- # 1. Redistributions of source code must retain the above copyright notice, this list of
- # conditions and the following disclaimer.
- #
- # 2. Redistributions in binary form must reproduce the above copyright notice, this list
- # of conditions and the following disclaimer in the documentation and/or other materials
- # provided with the distribution.
- #
- # 3. Neither the name of the copyright holder nor the names of its contributors may be used
- # to endorse or promote products derived from this software without specific prior written
- # permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- set -e
- system=$(uname -s)
- ROOTFS_DIR=$1
- FSTYPE=$2
- ROOTFS_IMG=${ROOTFS_DIR}"_"${FSTYPE}".img"
- JFFS2_TOOL=mkfs.jffs2
- WIN_JFFS2_TOOL=mkfs.jffs2.exe
- YAFFS2_TOOL=mkyaffs2image100
- VFAT_TOOL=mkfs.vfat
- ROMFS_TOOL=genromfs
- MCOPY_TOOL=mcopy
- tool_check() {
- local ret='0'
- command -v "$1" >/dev/null 2>&1 || { local ret='1'; }
- if [ "$ret" -ne 0 ]; then
- echo "$1 tool is not exit, please install it" >&2
- fi
- return 0
- }
- chmod -R 755 ${ROOTFS_DIR}
- if [ -f "${ROOTFS_DIR}/bin/init" ]; then
- chmod 700 ${ROOTFS_DIR}/bin/init 2> /dev/null
- fi
- if [ -f "${ROOTFS_DIR}/bin/shell" ]; then
- chmod 700 ${ROOTFS_DIR}/bin/shell 2> /dev/null
- fi
- if [ "${FSTYPE}" = "jffs2" ]; then
- if [ "${system}" != "Linux" ] ; then
- tool_check ${WIN_JFFS2_TOOL}
- ${WIN_JFFS2_TOOL} -q -o ${ROOTFS_IMG} -d ${ROOTFS_DIR} --pagesize=4096
- else
- tool_check ${JFFS2_TOOL}
- ${JFFS2_TOOL} -q -o ${ROOTFS_IMG} -d ${ROOTFS_DIR} --pagesize=4096
- fi
- elif [ "${FSTYPE}" = "yaffs2" ]; then
- tool_check ${YAFFS2_TOOL}
- ${YAFFS2_TOOL} ${ROOTFS_DIR} ${ROOTFS_IMG} 2k 24bit
- elif [ "${FSTYPE}" = "romfs" ]; then
- tool_check ${ROMFS_TOOL}
- ${ROMFS_TOOL} -d ${ROOTFS_DIR} -f ${ROOTFS_IMG}
- elif [ "${FSTYPE}" = "vfat" ]; then
- if [ "${system}" != "Linux" ] ; then
- echo "Unsupported fs type!" >&2
- else
- tool_check ${VFAT_TOOL}
- tool_check ${MCOPY_TOOL}
- BLK_SIZE=512
- CLT_SIZE=2048
- FAT_TAB_NUM=2
- CLT_CNT=$(( ${CLT_SIZE} / ${BLK_SIZE} ))
- if [ $# -eq 3 ]; then
- IMG_SIZE=$3
- else
- FAT32_ITEM_SIZE=4
- RESV_CNT=38
- IMG_MIN_SIZE=1048576
- DU_DIR_SIZE=$(( $(echo $(du -s ${ROOTFS_DIR} | awk '{print $1}')) * 1024 ))
- DIR_NUM=$(( $(echo $(ls -lR ${ROOTFS_DIR} | grep "^d" | wc -l | awk '{print $1}')) + 1 ))
- DIR_SIZE=$(( ${DU_DIR_SIZE} + ${DIR_NUM} * 4096 ))
- IMG_SIZE=$(( ${DIR_SIZE} / (1 - ${FAT_TAB_NUM} * ${FAT32_ITEM_SIZE} / ${CLT_SIZE}) + ${RESV_CNT} * ${BLK_SIZE}))
- if [ ${IMG_SIZE} -le ${IMG_MIN_SIZE} ]; then
- IMG_SIZE=${IMG_MIN_SIZE}
- fi
- fi
- IMG_CNT=$(( (${IMG_SIZE} + ${BLK_SIZE} - 1) / ${BLK_SIZE} ))
- echo mtools_skip_check=1 >> ~/.mtoolsrc
- dd if=/dev/zero of=${ROOTFS_IMG} count=${IMG_CNT} bs=${BLK_SIZE}
- ${VFAT_TOOL} ${ROOTFS_IMG} -s ${CLT_CNT} -f ${FAT_TAB_NUM} -S ${BLK_SIZE} > /dev/null
- ${MCOPY_TOOL} -i ${ROOTFS_IMG} ${ROOTFS_DIR}/* -/ ::/
- fi
- else
- echo "Unsupported fs type!" >&2
- fi
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发表于 2022-6-20 09:10:02