diff options
| -rwxr-xr-x | scripts/ubinize-image.sh | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/scripts/ubinize-image.sh b/scripts/ubinize-image.sh new file mode 100755 index 0000000000..1058aba812 --- /dev/null +++ b/scripts/ubinize-image.sh @@ -0,0 +1,113 @@ +#!/bin/sh + +ubootenv="" +nokernel="" +ubinize_param="" +kernel="" +rootfs="" +outfile="" +err="" + +get_magic_word() { + dd if=$1 bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"' +} + +is_ubifs() { + if [ "$( get_magic_word $1 )" = "3118" ]; then + echo "1" + fi +} + +ubivol() { + volid=$1 + name=$2 + image=$3 + autoresize=$4 + echo "[$name]" + echo "mode=ubi" + echo "vol_id=$volid" + echo "vol_type=dynamic" + echo "vol_name=$name" + if [ "$image" ]; then + echo "image=$image" + else + echo "vol_size=1MiB" + fi + if [ "$autoresize" ]; then + echo "vol_flags=autoresize" + fi +} + +ubilayout() { + local vol_id=0 + local root_is_ubifs="$( is_ubifs "$2" )" + if [ "$1" = "ubootenv" ]; then + ubivol $vol_id ubootenv + vol_id=$(( $vol_id + 1 )) + ubivol $vol_id ubootenv2 + vol_id=$(( $vol_id + 1 )) + fi + if [ "$3" ]; then + ubivol $vol_id kernel "$3" + vol_id=$(( $vol_id + 1 )) + fi + ubivol $vol_id rootfs "$2" $root_is_ubifs + vol_id=$(( $vol_id + 1 )) + [ "$root_is_ubifs" ] || ubivol $vol_id rootfs_data "" 1 +} + +while [ "$1" ]; do + if [ "$1" = "--uboot-env" ]; then + ubootenv="ubootenv" + shift + continue + fi + if [ "$1" = "--no-kernel" ]; then + nokernel="nokernel" + shift + continue + fi + if [ ! "$kernel" -a ! "$nokernel" ]; then + [ "${1:0:1}" = "-" ] && break + kernel=$1 + shift + continue + fi + if [ ! "$rootfs" ]; then + [ "${1:0:1}" = "-" ] && break + rootfs=$1 + shift + continue + fi + if [ ! "$outfile" ]; then + [ "${1:0:1}" = "-" ] && break + outfile=$1 + shift + continue + fi + ubinize_param="$@" + break +done + +if [ ! -r "$rootfs" -o ! -r "$kernel" -a ! "$nokernel" -o ! "$outfile" ]; then + echo "syntax: $0 [--no-kernel] [--uboot-env] rootfs [kernel] out [ubinize opts]" + exit 1 +fi + +ubinize="$( which ubinize )" +if [ ! -x "$ubinize" ]; then + echo "ubinize tool not found or not usable" + exit 1 +fi + +ubinizecfg="$( mktemp )" +ubilayout "$ubootenv" "$rootfs" "$kernel" > "$ubinizecfg" + +cat "$ubinizecfg" +ubinize -o "$outfile" $ubinize_param "$ubinizecfg" +err="$?" +[ ! -e "$outfile" ] && err=2 +rm "$ubinizecfg" + +exit $err + |