images: fix boot failures on NAND with small sub pages
[openwrt/openwrt.git] / scripts / ubinize-image.sh
index a18d6dc428d1cdc21161c5d414ab24211b2b8d03..d82d81432d976cbf0be2d86cfd47fb36420e0d00 100755 (executable)
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+. $TOPDIR/scripts/functions.sh
+
 part=""
 ubootenv=""
 ubinize_param=""
@@ -8,16 +10,6 @@ rootfs=""
 outfile=""
 err=""
 
-get_magic_word() {
-       dd if=$1 bs=2 count=1 2>/dev/null | od -A n -N 2 -t x1 | tr -d ' '
-}
-
-is_ubifs() {
-       if [ "$( get_magic_word $1 )" = "3118" ]; then
-               echo "1"
-       fi
-}
-
 ubivol() {
        volid=$1
        name=$2
@@ -31,7 +23,7 @@ ubivol() {
        echo "vol_name=$name"
        if [ "$image" ]; then
                echo "image=$image"
-               [ -n "$size" ] && echo "vol_size=${size}MiB"
+               [ -n "$size" ] && echo "vol_size=${size}"
        else
                echo "vol_size=1MiB"
        fi
@@ -42,7 +34,10 @@ ubivol() {
 
 ubilayout() {
        local vol_id=0
-       local root_is_ubifs="$( is_ubifs "$2" )"
+       local rootsize=
+       local autoresize=
+       local rootfs_type="$( get_fs_type "$2" )"
+
        if [ "$1" = "ubootenv" ]; then
                ubivol $vol_id ubootenv
                vol_id=$(( $vol_id + 1 ))
@@ -62,16 +57,28 @@ ubilayout() {
 
                size="$part"
 
-               ubivol $vol_id "$name" "$image" "" "$size"
+               ubivol $vol_id "$name" "$image" "" "${size}MiB"
                vol_id=$(( $vol_id + 1 ))
        done
        if [ "$3" ]; then
                ubivol $vol_id kernel "$3"
                vol_id=$(( $vol_id + 1 ))
        fi
-       ubivol $vol_id rootfs "$2" $root_is_ubifs
+
+       case "$rootfs_type" in
+       "ubifs")
+               autoresize=1
+               ;;
+       "squashfs")
+               # squashfs uses 1k block size, ensure we do not
+               # violate that
+               rootsize="$( round_up "$( stat -c%s "$2" )" 1024 )"
+               ;;
+       esac
+       ubivol $vol_id rootfs "$2" "$autoresize" "$rootsize"
+
        vol_id=$(( $vol_id + 1 ))
-       [ "$root_is_ubifs" ] || ubivol $vol_id rootfs_data "" 1
+       [ "$rootfs_type" = "ubifs" ] || ubivol $vol_id rootfs_data "" 1
 }
 
 while [ "$1" ]; do