buildrom-devel/bin/getsig.sh

   1 #!/bin/sh
   2
   3 # These should be fairly static - we can make them dynamic if we have to
   4
   5 START="FFFC0"
   6 LEN="16"
   7
   8 STR_BEGIN=`dc -e "16 i FFFC0 p"`
   9 STR_END=`expr $(STR_BEGIN) + $(LEN)`
  10
  11 IN=$1
  12
  13 if [ -z "$IN" -o -z "$SIG" ]; then
  14         echo "usage:  ./getsig.sh <rom>"
  15         exit 1
  16 fi
  17
  18 dd if=$IN bs=1 skip=$STR_BEGIN count=$LEN 2>/dev/null