222 lines
5.6 KiB
Bash
222 lines
5.6 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 1999 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Minoura Makoto.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# Create the disk mark for x68k SCSI IPL.
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# Problem: The script requires awk, which is toooo large for miniroot.
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# Solution: Write C version in distrib/utils/sysinst/arch/x68k/md.c.
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# Usage: /usr/mdec/newdisk [-vnfc] [-m /usr/mdec/mboot] /dev/rsd?c
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prog=$0
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verbose=0
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dryrun=0
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force=0
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checkonly=0
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Usage="Usage: $prog [-v] [-n] [-f] [-c] [-m /usr/mdec/mboot] /dev/rsdXc"
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mboot=/usr/mdec/mboot
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AWK=/usr/bin/awk
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SED=/usr/bin/sed
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DD=/bin/dd
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DISKLABEL=/sbin/disklabel
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C="NetBSD/x68k SCSI Primary Boot. \
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(C) 1999 by The NetBSD Foundation, Inc."
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vmessage () {
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if [ "$verbose" = "1" ]; then
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echo "$@" 1>&2
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fi
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return 0
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}
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message () {
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echo "$@" 1>&2
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return 0
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}
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##
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## Process command line.
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##
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args=`getopt vnfcm: $*`
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if [ $? != 0 ]; then
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message $Usage
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exit 1
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fi
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set -- $args
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for i; do
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case "$i" in
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-v)
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verbose=1; shift;;
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-n)
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dryrun=1; shift;;
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-f)
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force=1; shift;;
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-c)
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checkonly=1; shift;;
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-m)
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mboot=$2; shift; shift;;
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--)
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shift; break;;
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esac
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done
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if [ $# != 1 ]; then
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message $Usage
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exit 1
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fi
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dev=$1
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case $dev in
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/dev/rsd[0-9]c|/dev/rvnd[0-9]c)
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;;
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/dev/sd[0-9]c|/dev/vnd[0-9]c)
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dev=`echo $dev | $SED -e 's+/dev/+/dev/r+'`;;
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rsd[0-9]c|rvnd[0-9]c)
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dev=/dev/$dev;;
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rsd[0-9]|rvnd[0-9])
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dev=/dev/${dev}c;;
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sd[0-9]c|vnd[0-9]c)
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dev=/dev/r$dev;;
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sd[0-9]|vnd[0-9])
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dev=/dev/r${dev}c;;
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*)
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message $Usage
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exit 1;;
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esac
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if [ ! -f $mboot ]; then
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message "$prog: $mboot: No such file or directory."
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exit 1
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fi
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if [ \( ! -s $mboot \) -o `wc -c < $mboot` -gt 1024 ]; then
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message "$prog: $mboot: Invalid mboot."
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exit 1
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fi
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if [ ! -c $dev ]; then
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message "$prog: $dev: No such file or directory."
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exit 1
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fi
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##
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## Collect disk information.
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##
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if [ X`$DD if=$dev | $DD bs=8 count=1 2> /dev/null` = X"X68SCSI1" ]; then
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if [ "$force" = "0" ]; then
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message "$dev is already marked. Use -f to overwrite the existing mark."
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exit 1
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fi
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fi
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if [ "$checkonly" = "1" ]; then
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exit 0
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fi
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vmessage -n "Inspecting $dev... "
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sect=`$DISKLABEL $dev 2> /dev/null | \
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$AWK -F: '/^bytes\/sector:/ \
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{if ( $2 != 512 ) {
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print "This type of disk is not supported." \
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> "/dev/stderr"
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exit 1
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}
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}
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/total sectors:/ \
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{print $2}'` \
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|| exit 1
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vmessage "total number of sector is $sect."
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##
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## Build the disk mark.
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##
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vmessage -n "Building disk mark... "
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$AWK -v "n=$sect" -v "C=$C" '
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BEGIN {
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printf "X68SCSI1%c%c%c%c%c%c%c%c%s", \
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2, 0, \
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(n/16777216)%256, (n/65536)%256, (n/256)%256, n%256, \
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1, 0, C
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}' < /dev/null \
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| $DD bs=1024 conv=sync > /tmp/diskmark$$ 2> /dev/null
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vmessage "done."
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##
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## Copy mboot
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##
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vmessage -n "Merging $mboot... "
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$DD if=$mboot bs=1024 count=1 conv=sync >> /tmp/diskmark$$ 2> /dev/null
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vmessage "done."
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##
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## Create empty partition table.
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##
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vmessage -n "Creating an empty partition table... "
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nblock=`expr $sect / 2` # Assume $sect == 512
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$AWK -v "n=$nblock" '
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BEGIN {
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printf "X68K%c%c%c%c%c%c%c%c%c%c%c%c", \
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0, 0, 0, 32, \
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(n/16777215)%256, (n/65536)%256, (n/256)%256, n%256, \
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(n/16777215)%256, (n/65536)%256, (n/256)%256, n%256
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}' < /dev/null \
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| $DD bs=1024 conv=sync >> /tmp/diskmark$$ 2> /dev/null
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vmessage done.
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##
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## Do it!
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##
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if [ $dryrun = "0" ]; then
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vmessage -n "Writing... "
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$DISKLABEL -W $dev
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$DD if=/tmp/diskmark$$ of=$dev conv=sync 2> /dev/null
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$DISKLABEL -N $dev
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rm /tmp/diskmark$$
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vmessage "done."
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vmessage -n "Labeling... "
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disklabel $dev 2> /dev/null | sed -n -e '1,/^$/p' > /tmp/disklabel$$
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echo "3 partitions:" >> /tmp/disklabel$$
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echo "c: $sect 0 unused 0 0" >> /tmp/disklabel$$
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disklabel -R $dev /tmp/disklabel$$
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rm /tmp/disklabel$$
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vmessage "done."
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echo "$dev is now ready for use."
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echo "Note $dev cannot be used with Human68k."
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else
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message "Disk mark is kept in /tmp/diskmark$$."
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fi
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