110 lines
1.8 KiB
Bash
Executable file
110 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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ubootenv=""
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ubinize_param=""
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kernel=""
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rootfs=""
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outfile=""
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err=""
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get_magic_word() {
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dd if=$1 bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
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}
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is_ubifs() {
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if [ "$( get_magic_word $1 )" = "3118" ]; then
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echo "1"
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fi
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}
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ubivol() {
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volid=$1
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name=$2
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image=$3
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autoresize=$4
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echo "[$name]"
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echo "mode=ubi"
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echo "vol_id=$volid"
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echo "vol_type=dynamic"
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echo "vol_name=$name"
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if [ "$image" ]; then
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echo "image=$image"
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else
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echo "vol_size=1MiB"
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fi
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if [ "$autoresize" ]; then
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echo "vol_flags=autoresize"
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fi
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}
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ubilayout() {
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local vol_id=0
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local root_is_ubifs="$( is_ubifs "$2" )"
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if [ "$1" = "ubootenv" ]; then
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ubivol $vol_id ubootenv
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vol_id=$(( $vol_id + 1 ))
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ubivol $vol_id ubootenv2
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vol_id=$(( $vol_id + 1 ))
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fi
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if [ "$3" ]; then
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ubivol $vol_id kernel "$3"
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vol_id=$(( $vol_id + 1 ))
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fi
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ubivol $vol_id rootfs "$2" $root_is_ubifs
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vol_id=$(( $vol_id + 1 ))
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[ "$root_is_ubifs" ] || ubivol $vol_id rootfs_data "" 1
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}
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while [ "$1" ]; do
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case "$1" in
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"--uboot-env")
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ubootenv="ubootenv"
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shift
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continue
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;;
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"--kernel")
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kernel="$2"
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shift
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continue
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;;
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"-"*)
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ubinize_param="$@"
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break
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;;
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*)
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if [ ! "$rootfs" ]; then
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rootfs=$1
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shift
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continue
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fi
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if [ ! "$outfile" ]; then
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outfile=$1
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shift
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continue
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fi
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;;
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esac
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done
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if [ ! -r "$rootfs" -o ! -r "$kernel" -a ! "$outfile" ]; then
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echo "syntax: $0 [--uboot-env] [--kernel kernelimage] rootfs out [ubinize opts]"
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exit 1
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fi
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ubinize="$( which ubinize )"
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if [ ! -x "$ubinize" ]; then
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echo "ubinize tool not found or not usable"
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exit 1
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fi
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ubinizecfg="$( mktemp )"
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ubilayout "$ubootenv" "$rootfs" "$kernel" > "$ubinizecfg"
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cat "$ubinizecfg"
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ubinize -o "$outfile" $ubinize_param "$ubinizecfg"
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err="$?"
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[ ! -e "$outfile" ] && err=2
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rm "$ubinizecfg"
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exit $err
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