linuxOS_AP06/debian/mk-image.sh
2025-06-03 12:28:32 +08:00

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#!/bin/bash -e
TARGET_ROOTFS_DIR=./binary
ROOTFSIMAGE=linaro-rootfs.img
echo Making rootfs!
if [ -e ${ROOTFSIMAGE} ]; then
sudo rm ${ROOTFSIMAGE}
fi
for script in ./post-build.sh ../device/rockchip/common/post-build.sh; do
[ -x $script ] || continue
sudo $script "$(realpath "$TARGET_ROOTFS_DIR")"
done
# Apparent size + maxium alignment(file_count * block_size) + maxium journal size
IMAGE_SIZE_MB=$(( $(sudo du --apparent-size -sm ${TARGET_ROOTFS_DIR} | cut -f1) + \
$(sudo find ${TARGET_ROOTFS_DIR} | wc -l) * 4 / 1024 + 64 ))
# Extra 10%
IMAGE_SIZE_MB=$(( $IMAGE_SIZE_MB * 110 / 100 ))
sudo mkfs.ext4 -d ${TARGET_ROOTFS_DIR} ${ROOTFSIMAGE} ${IMAGE_SIZE_MB}M
echo Rootfs Image: ${ROOTFSIMAGE}