scripts/gen_ipl_s.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2007 Josef 'Jeff' Sipek
   4 #
   5
   6 len=80 # this is going the be the size of ipl.rto
   7 len=$(expr $len + `stat -c %s ipl/setmode.rto`)
   8 len=$(expr $len + `stat -c %s ipl/loader.rto`)
   9 dif=`expr $len % 80`
  10
  11 if [ $dif -ne 0 ]; then
  12         len=`expr $len - $dif`
  13         len=`expr $len + 80`
  14 fi
  15
  16 if [ $len -gt `expr 65536` ]; then
  17         echo "ERROR: loader code is too long" >&2
  18         exit 1
  19 fi
  20
  21 ccw2=$len
  22
  23 ccw2h=`expr $ccw2 / 256`
  24 ccw2l=`expr $ccw2 % 256`
  25
  26 sed -e "s/CCW2H/$ccw2h/g" \
  27     -e "s/CCW2L/$ccw2l/g" \
  28     "$1" > "$2"