5448df2eed
The first board to be included here is the port to the 405GP-based Walnut evaluation board, which up until now lived in arch/walnut. arch/walnut will go away soon, once all the remaining walnut-isms in the tree have been dealt with.
36 lines
825 B
Bash
36 lines
825 B
Bash
#!/bin/sh
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# $NetBSD: walnut-mkimg.sh,v 1.1 2002/12/09 12:15:50 scw Exp $
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# Convert a kernel to an tftp image loadable by the walnut IBM openbios.
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if [ $# -ne 2 ] ; then
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echo usage: $0 kernel image 1>&2
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exit 1
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fi
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kernel=$1; shift
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output=$1; shift
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: ${OBJDUMP=objdump}
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: ${OBJCOPY=objcopy}
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start=`${OBJDUMP} -f ${kernel} | awk '/start address/ { print $NF }'`
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start=`printf "%d" $start`
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${OBJCOPY} -O binary ${kernel} ${kernel}.bin.$$
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size=`/bin/ls -l ${kernel}.bin.$$ | awk '{ printf "%d", ( $5 + 511 ) / 512 }'`
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printf "%d\n%d\n0\n%d\n0\n0\n0\n" $start $size $start |
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awk 'BEGIN { printf "\x00\x52\x50\x4f" }
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{
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printf "%c", $0 / 256 / 256 / 256 ;
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printf "%c", $0 / 256 / 256 ;
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printf "%c", $0 / 256 ;
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printf "%c", $0 ;
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}
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' > ${output}
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cat ${kernel}.bin.$$ >> ${output}
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rm -f ${kernel}.bin.$$
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exit
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