diff options
Diffstat (limited to 'pc-bios/optionrom/signrom.sh')
| -rwxr-xr-x | pc-bios/optionrom/signrom.sh | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pc-bios/optionrom/signrom.sh b/pc-bios/optionrom/signrom.sh index 263ba5ffc..432281137 100755 --- a/pc-bios/optionrom/signrom.sh +++ b/pc-bios/optionrom/signrom.sh @@ -31,9 +31,10 @@ x=`dd if="$1" bs=1 count=1 skip=2 2>/dev/null | od -t u1 -A n` size=$(( $x * 512 - 1 )) # now get the checksum -for i in `od -A n -t u1 -v "$1"`; do +nums=`od -A n -t u1 -v "$1"` +for i in ${nums}; do # add each byte's value to sum - sum=$(( $sum + $i )) + sum=`expr $sum + $i` done sum=$(( $sum % 256 )) |