makerecovery

   1 #!/bin/sh
   2 #
   3 # make 6MB recovery image from two moredrivers type kernels
   4 # placed at start and at +4MBytes
   5
   6 if [ -z "$1" ] ; then
   7  echo "Usage: $0 uImage-moredrivers-..."
   8  exit 1
   9 fi
  10 cat $1 > recovery-$1
  11 SIZE=`ls -l $1 | tr -s ' ' ' ' | cut -d' ' -f5`
  12 SPACE=$(( 4 * 1024 * 1024 - $SIZE ))
  13 dd if=/dev/zero of=_spacer bs=1 count=$SPACE
  14 cat _spacer >> recovery-$1
  15 rm -f _spacer
  16 cat $1 >> recovery-$1
  17