minix/drivers/ramdisk/rc
David van Moolenbroek 6d466f941b at_wini: PCI-only now; one controller per instance
- remove non-PCI support, since all supported platforms with at_wini
  devices also have PCI support by now;
- correspondingly, stop using information from the BIOS altogether;
- limit each driver instance to one controller, to be in line with
  the general MINIX3 one-instance-per-controller driver model; this
  limits the number of disks per at_wini instance to four;
- go through the controllers by the order of their occurrence in the
  PCI table, thus removing the exception for compatibility devices;
- let the second at_wini instance shut down silently if there is only
  one IDE controller;
- clean up some extra code we don't need anymore, and resolve some
  WARNS=5 level warnings.

Overall, these changes should simplify automatic loading of the right
disk drivers at boot time in the future.

Change-Id: Ia64d08cfbeb9916abd68c9c2941baeb87d02a806
2014-03-01 09:04:57 +01:00

94 lines
2.4 KiB
Bash

#!/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 $ACPI
fi
/bin/service -c up /usr/sbin/pci
/bin/service -c up /sbin/input -dev /dev/kbdmux
/bin/service -c up /sbin/pckbd
# Start procfs so we can access /proc/pci
mount -t procfs none /proc >/dev/null
# Do we want to use the virtio block device?
# If not specified, default to yes if the device is found.
if /bin/sysenv virtio_blk >/dev/null
then virtio_blk="`/bin/sysenv virtio_blk`"
elif grep '^[^ ]* [^ ]* 1AF4:1001 ' /proc/pci >/dev/null
then echo "virtio_blk not set, defaulting to using found virtio device."
virtio_blk=yes
fi
/bin/service -cn up /sbin/floppy -dev /dev/fd0
if [ X`/bin/sysenv ahci` = Xyes ]
then
# this is here temporarily, for testing purposes
/bin/service -c up /sbin/ahci -dev /dev/c0d0 -label ahci_0 -args instance=0
elif [ X"$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 2>/dev/null || :
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 "$@"