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walnut-mkimg.sh revision 1.1
      1  1.1  scw #!/bin/sh
      2  1.1  scw # $NetBSD: walnut-mkimg.sh,v 1.1 2002/12/09 12:15:50 scw Exp $
      3  1.1  scw 
      4  1.1  scw # Convert a kernel to an tftp image loadable by the walnut IBM openbios.
      5  1.1  scw 
      6  1.1  scw if [ $# -ne 2 ] ; then
      7  1.1  scw 	echo usage: $0 kernel image 1>&2
      8  1.1  scw 	exit 1
      9  1.1  scw fi
     10  1.1  scw 
     11  1.1  scw kernel=$1; shift
     12  1.1  scw output=$1; shift
     13  1.1  scw 
     14  1.1  scw : ${OBJDUMP=objdump}
     15  1.1  scw : ${OBJCOPY=objcopy}
     16  1.1  scw 
     17  1.1  scw start=`${OBJDUMP} -f ${kernel} | awk '/start address/ { print $NF }'`
     18  1.1  scw start=`printf "%d" $start`
     19  1.1  scw ${OBJCOPY} -O binary ${kernel} ${kernel}.bin.$$
     20  1.1  scw size=`/bin/ls -l ${kernel}.bin.$$ | awk '{ printf "%d", ( $5 + 511 ) / 512 }'`
     21  1.1  scw 
     22  1.1  scw printf "%d\n%d\n0\n%d\n0\n0\n0\n" $start $size $start |
     23  1.1  scw     awk 'BEGIN { printf "\x00\x52\x50\x4f" }
     24  1.1  scw 	{
     25  1.1  scw 		printf "%c", $0 / 256 / 256 / 256 ;
     26  1.1  scw 		printf "%c", $0 / 256 / 256 ;
     27  1.1  scw 		printf "%c", $0 / 256 ;
     28  1.1  scw 		printf "%c", $0 ;
     29  1.1  scw 	}
     30  1.1  scw     ' > ${output}
     31  1.1  scw 
     32  1.1  scw cat ${kernel}.bin.$$ >> ${output}
     33  1.1  scw 
     34  1.1  scw rm -f ${kernel}.bin.$$
     35  1.1  scw exit
     36