minix/drivers/memory/ramdisk/rc

#!/bin/sh
set -e
/bin/service up /bin/pci
/bin/service -c up /bin/floppy -dev /dev/fd0
if [ X`/bin/sysenv bios_wini` = Xyes ]
then
	echo Using bios_wini.
	/bin/service -c up /bin/bios_wini -dev /dev/c0d0
else
	/bin/service -c up /bin/at_wini -dev /dev/c0d0
fi

rootdev=`sysenv rootdev` || echo 'No rootdev?'
rootdevname=`/bin/dev2name "$rootdev"` ||
	{ echo 'No device name for root device'; exit 1; }

if sysenv cdproberoot >/dev/null
then
	echo 
	echo 'Looking for boot CD. This may take a minute.'
	echo 'Please ignore any error messages.'
	echo
	cddev=`cdprobe` || { echo 'No CD found'; exit 1; }
	export cddev
	echo "Loading ramdisk from ${cddev}p1"
	loadramdisk "$cddev"p1
elif [ "$rootdevname" = "/dev/ram" ]
then
	ramimagedev=`sysenv ramimagedev` ||
		{ echo 'ramimagedev not found'; exit 1; }
	ramimagename=`/bin/dev2name "$ramimagedev"` ||
		{ echo 'No device name for ramimagedev'; exit 1; }
	echo "Loading ramdisk from $ramimagename"
	loadramdisk "$ramimagename"
fi
echo "Root device name is $rootdevname"
/bin/newroot "$rootdevname"
exec /bin/sh /etc/rc "$@"