minix/drivers/ramdisk/rc

#!/bin/sh
set -e

exec >/dev/log
exec 2>/dev/log
exec </dev/null

FSCK=/bin/fsck.mfs
ACPI=/usr/sbin/acpi

if [ X`/bin/sysenv arch` = Xi386 ]
then	if [ -e $ACPI -a -n "`sysenv acpi`" ]
	then
		/bin/service -c up $ACPI
	fi
	/bin/service -c up /usr/sbin/pci

	# Start procfs so we can access /proc/pci
	mount -t procfs none /proc >/dev/null

	# Do we want to use the virtio block device?
	# If not specified, default to yes if the device is found.
	if /bin/sysenv virtio_blk >/dev/null
	then	virtio_blk="`/bin/sysenv virtio_blk`"
        elif	grep '^[^ ]* [^ ]* 1AF4:1001 ' /proc/pci >/dev/null
	then	echo "virtio_blk not set, defaulting to using found virtio device."
		virtio_blk=yes
        fi

	/bin/service -cn up /sbin/floppy -dev /dev/fd0
	if [ X`/bin/sysenv ahci` = Xyes ]
	then
		# this is here temporarily, for testing purposes
		/bin/service -c up /sbin/ahci -dev /dev/c0d0 -label ahci_0 -args instance=0
	elif [ X"$virtio_blk" = Xyes ]
	then
		/bin/service -c up /sbin/virtio_blk -dev /dev/c0d0 -label virtio_blk_0 -args instance=0
	else
		/bin/service -c up /sbin/at_wini -dev /dev/c0d0 -label at_wini_0
		/bin/service -cr up /sbin/at_wini -dev /dev/c1d0 -label at_wini_1 -args instance=1
	fi
	/bin/umount /proc >/dev/null
fi

if [ X`/bin/sysenv arch` = Xearm ]
then	echo Starting the mmc driver
	/bin/service -c up /sbin/mmc -dev /dev/c0d0
fi

/bin/service up /sbin/procfs || echo "WARNING: couldn't start procfs"

if /bin/sysenv rootdevname >/dev/null
then	rootdevname=/dev/`/bin/sysenv rootdevname`
else	echo "rootdevname not set"
	exit 1
fi

if [ "`sysenv bin_img`" = 1 ]
then
    bin_img="-i "
fi

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
	ramimagename=/dev/`/bin/sysenv ramimagename`
	echo "Loading ramdisk from $ramimagename"
	loadramdisk "$ramimagename" || echo "WARNING: loadramdisk failed"
fi

echo "Root device name is $rootdevname"
if [ -e $FSCK ]
then	$FSCK -p $rootdevname
fi

# Change root from temporary boot ramdisk to the configure
# root device
/bin/mount -n $bin_img"$rootdevname" /

/bin/mount -e -n -t procfs none /proc || echo "WARNING: couldn't mount procfs"

exec /bin/sh /etc/rc "$@"