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