minix/drivers/storage/ramdisk/rc

   1 #!/bin/sh
   2 set -e
   3
   4 PATH=/sbin:/usr/sbin:/bin:/usr/bin
   5
   6 FSCK=/bin/fsck_mfs
   7 ACPI=/service/acpi
   8
   9 if [ X`sysenv arch` = Xi386 ]
  10 then    if [ -e $ACPI -a -n "`sysenv acpi`" ]
  11         then
  12                 minix-service -c up $ACPI
  13         fi
  14         minix-service -c up /service/pci -dev /dev/pci
  15
  16         minix-service -c up /service/input -dev /dev/kbdmux
  17         minix-service -c up /service/pckbd || :
  18
  19         # Start procfs so we can access /proc/pci
  20         mount -t procfs none /proc >/dev/null
  21
  22         # Do we want to use the virtio block device?
  23         # If not specified, default to yes if the device is found.
  24         if sysenv virtio_blk >/dev/null
  25         then    virtio_blk="`sysenv virtio_blk`"
  26         elif    grep '^[^ ]* [^ ]* 1AF4:1001[^ ]* ' /proc/pci >/dev/null
  27         then    echo "virtio_blk not set, defaulting to using found virtio device."
  28                 virtio_blk=yes
  29         fi
  30
  31         minix-service -cn up /service/floppy -dev /dev/fd0
  32         if [ X`sysenv ahci` = Xyes ]
  33         then
  34                 # this is here temporarily, for testing purposes
  35                 minix-service -c up /service/ahci -dev /dev/c0d0 -label ahci_0 -args instance=0
  36         elif [ X"$virtio_blk" = Xyes ]
  37         then
  38                 minix-service -c up /service/virtio_blk -dev /dev/c0d0 -label virtio_blk_0 -args instance=0
  39         else
  40                 minix-service -c up /service/at_wini -dev /dev/c0d0 -label at_wini_0
  41                 minix-service -cr up /service/at_wini -dev /dev/c1d0 -label at_wini_1 -args instance=1 2>/dev/null || :
  42         fi
  43         umount /proc >/dev/null
  44 fi
  45
  46 if [ X`sysenv arch` = Xearm ]
  47 then    echo Starting the mmc driver
  48         minix-service -c up /service/mmc -dev /dev/c0d0
  49 fi
  50
  51 # Load ProcFS from the ramdisk to minimize the chance of a desync with the boot
  52 # image services from which it obtains data structures directly.  As we move to
  53 # the MIB service, this will eventually become obsolete.
  54 minix-service up /service/procfs || echo "WARNING: couldn't start procfs"
  55
  56 if sysenv rootdevname >/dev/null
  57 then    rootdevname=/dev/`sysenv rootdevname`
  58 else
  59         if ! sysenv cdproberoot >/dev/null && ! sysenv bootramdisk >/dev/null
  60         then    echo "rootdevname not set"
  61                 exit 1
  62         fi
  63 fi
  64
  65 if [ "`sysenv bin_img`" = 1 ]
  66 then
  67     bin_img="-i "
  68 fi
  69
  70 if sysenv cdproberoot >/dev/null
  71 then
  72         echo
  73         echo 'Looking for boot CD. This may take a minute.'
  74         echo 'Please ignore any error messages.'
  75         echo
  76         rootdevname=$(cdprobe) || { echo 'No CD found'; exit 1; }
  77         export rootdevname
  78 elif [ "$rootdevname" = "/dev/ram" ]
  79 then
  80         ramimagename=/dev/`sysenv ramimagename`
  81         echo "Loading ramdisk from $ramimagename"
  82         loadramdisk "$ramimagename" || echo "WARNING: loadramdisk failed"
  83 fi
  84
  85 if sysenv bootramdisk >/dev/null
  86 then
  87         rootdevname=imgrd
  88 fi
  89
  90 echo "Root device name is $rootdevname"
  91
  92 if ! sysenv cdproberoot >/dev/null
  93 then
  94         if [ -e $FSCK ]
  95         then    $FSCK -p $rootdevname
  96         fi
  97 fi
  98
  99 # Change root from temporary boot ramdisk to the configure root device
 100 if ! sysenv bootramdisk >/dev/null; then
 101         mount -n $bin_img"$rootdevname" /
 102
 103         # Reopen standard file descriptors, so that we can unmount the ramdisk.
 104         # That is essentially a VFS shortcoming that should be fixed, though..
 105         exec >/dev/log
 106         exec 2>/dev/log
 107         exec </dev/console
 108 fi
 109
 110 # Mount the ProcFS instance that was loaded from the ramdisk, on the root FS.
 111 mount -e -n -t procfs none /proc || echo "WARNING: couldn't mount procfs"
 112
 113 # Start the NetBSD rc infrastructure
 114 if ! sysenv bootramdisk >/dev/null; then
 115         exec sh /etc/rc "$@"
 116 fi