1 platform_check_image() {
2 [ "$ARGC" -gt 1 ] && return 1
4 case "$(get_magic_word "$1")" in
8 echo "Invalid image. Use Freifunk .img files on this platform"
14 platform_do_upgrade() {
15 local kern_length=$((0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)/65536))
16 local kern_name=$(dd if="$1" bs=2 skip=5 count=8 2>/dev/null); kern_name="${kern_name%% *}"
17 local root_length=$((0x$(dd if="$1" bs=2 skip=13 count=4 2>/dev/null)/65536))
18 local root_name=$(dd if="$1" bs=2 skip=17 count=8 2>/dev/null); root_name="${root_name%% *}"
21 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
23 if [ -n "$kern_name" -a -n "$root_name" ] && \
24 [ ${kern_length:-0} -gt 0 -a ${root_length:-0} -gt ${kern_length:-0} ];
26 dd if="$1" bs=65536 skip=1 count=$kern_length 2>/dev/null | \
27 mtd -e $kern_name write - $kern_name
29 dd if="$1" bs=65536 skip=$((1+$kern_length)) count=$root_length 2>/dev/null | \
30 mtd -e $root_name $append write - $root_name