diff options
Diffstat (limited to 'target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh')
| -rw-r--r-- | target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh index d7a3477f0a..071a132e02 100644 --- a/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh +++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh @@ -16,9 +16,18 @@ iodata_mstc_prepare_fail() { # use 1st image in OpenWrt # - debugflag: enable/disable debug # users can interrupt Z-Loader for recovering the device if enabled +# +# parameters: +# - $1: the offset of "debugflag" iodata_mstc_upgrade_prepare() { local persist_mtd="$(find_mtd_part persist)" local factory_mtd="$(find_mtd_part factory)" + local dflag_offset="$1" + + if [ -z "$dflag_offset" ]; then + echo 'no debugflag offset provided' + iodata_mstc_prepare_fail + fi if [ -z "$persist_mtd" -o -z "$factory_mtd" ]; then echo 'cannot find mtd partition(s), "factory" or "persist"' @@ -26,14 +35,14 @@ iodata_mstc_upgrade_prepare() { fi local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd}) - local debugflag=$(hexdump -s 65141 -n 1 -e '"%x"' ${factory_mtd}) + local debugflag=$(hexdump -s $((dflag_offset)) -n 1 -e '"%x"' ${factory_mtd}) if [ "$bootnum" != "1" -a "$bootnum" != "2" ]; then echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}" iodata_mstc_prepare_fail fi if [ "$debugflag" != "0" -a "$debugflag" != "1" ]; then - echo "failed to get debugflag, please check the value at 0xFE75 in ${factory_mtd}" + echo "failed to get debugflag, please check the value at ${dflag_offset} in ${factory_mtd}" iodata_mstc_prepare_fail fi echo "current: bootnum => ${bootnum}, debugflag => ${debugflag}" @@ -46,7 +55,7 @@ iodata_mstc_upgrade_prepare() { echo "### switch to 1st os-image on next boot ###" fi if [ "$debugflag" = "0" ]; then - if ! (echo -ne "\x01" | dd bs=1 count=1 seek=65141 conv=notrunc of=${factory_mtd} 2>/dev/null); then + if ! (echo -ne "\x01" | dd bs=1 count=1 seek=$((dflag_offset)) conv=notrunc of=${factory_mtd} 2>/dev/null); then echo "failed to set debugflag" iodata_mstc_prepare_fail fi |