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    • /[magellan-source]/trunk/mkinitrd-magellan/livecd/linuxrc.sh

    Diff of /trunk/mkinitrd-magellan/livecd/linuxrc.sh

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    revision 605 by niro, Sat Nov 10 19:56:21 2007 UTC revision 894 by niro, Wed Aug 5 16:24:23 2009 UTC
    # Line 1  Line 1 
    1  #!/bin/sh  #!/bin/sh
    2  # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/livecd/linuxrc.sh,v 1.2 2007-11-10 19:56:21 niro Exp $  # $Id$
    3    
    4  # loads given kernel modules  # loads given kernel modules
    5  load_kernel_modules()  load_kernel_modules()
    # Line 45  check_drives() Line 45  check_drives()
    45   then   then
    46   echo -e "Magellan boot device found."   echo -e "Magellan boot device found."
    47   BOOT_DEVICE="${dev}"   BOOT_DEVICE="${dev}"
    48   FSTYPE=${fs}   FSTYPE="${fs}"
    49   break   break
    50   fi   fi
    51   fi   fi
    # Line 55  check_drives() Line 55  check_drives()
    55  ## some defaults ##  ## some defaults ##
    56  DOSCSI=no  DOSCSI=no
    57  DOUSB=no  DOUSB=no
    58  DOSATA=no  DOSATA=yes
    59  NOPATA=no  DOFB=no
    60    DOPATA=yes
    61    FORCED_ROOTFS=""
    62    
    63  ## starts here ##  ## starts here ##
    64    
    65  # mount essential filesystems  # mount essential filesystems
    66  mount -t proc proc /proc  mount -t proc proc /proc
    67  mount -t sysfs sysfs /sys  mount -t sysfs sysfs /sys
    68    mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024
    69    
    70    # install all busybox applets
    71    busybox --install -s
    72    
    73  # silencio  # silencio
    74  echo 0 > /proc/sys/kernel/printk  echo 0 > /proc/sys/kernel/printk
    # Line 71  echo 0 > /proc/sys/kernel/printk Line 77  echo 0 > /proc/sys/kernel/printk
    77  for i in $(cat /proc/cmdline)  for i in $(cat /proc/cmdline)
    78  do  do
    79   case "${i}" in   case "${i}" in
    80   doscsi)   doscsi) DOSCSI=yes;;
    81   DOSCSI=yes   noscsi) DOSCSI=no;;
    82   ;;   dousb) DOUSB=yes;;
    83   dousb)   nousb) DOUSB=no;;
    84   DOUSB=yes   dosata) DOSATA=yes ;;
    85   ;;   nosata) DOSATA=no ;;
    86   dosata)   dofb) DOFB=yes;;
    87   DOSATA=yes   nofb) DOFB=no;;
    88   ;;   dopata) DOPATA=yes;;
    89   nopata)   nopata) DOPATA=no;;
    90   NOPATA=yes   rootfs=*) FORCED_ROOTFS="${i#*=}";;
      ;;  
    91   esac   esac
    92  done  done
    93    
    94  # now load all needed modules  # now load all needed modules
    95    [ "${DOFB}" = "yes" ] && load_kernel_modules "framebuffer"
    96  load_kernel_modules "generic"  load_kernel_modules "generic"
    97  [ "${NOPATA}" != "yes" ] && load_kernel_modules "pata"  [ "${DOPATA}" = "yes" ] && load_kernel_modules "pata"
    98  [ "${DOSCSI}" = "yes" ] && load_kernel_modules "scsi"  [ "${DOSCSI}" = "yes" ] && load_kernel_modules "scsi"
    99  [ "${DOUSB}" = "yes" ] && load_kernel_modules "usb"  [ "${DOUSB}" = "yes" ] && load_kernel_modules "usb"
    100  [ "${DOSATA}" = "yes" ] && load_kernel_modules "sata"  [ "${DOSATA}" = "yes" ] && load_kernel_modules "sata"
    101    
    102    # populate dev
    103    mdev -s
    104    # handle hotplug events properly
    105    echo /sbin/mdev > /proc/sys/kernel/hotplug
    106    
    107  # create newroot mount point  # create newroot mount point
    108  mkdir -p /sysroot  mkdir -p /sysroot
    109  # fake a new filesystem (also needed with an initramfs!!)  # fake a new filesystem (also needed with an initramfs!!)
    # Line 117  echo "Searching for a boot device ..." Line 128  echo "Searching for a boot device ..."
    128    
    129  # searching usbstick  # searching usbstick
    130  if [ "${DOUSB}" = "yes" ]; then  if [ "${DOUSB}" = "yes" ]; then
    131   check_drives "/dev/sd*" "vfat"   ROOTFS="vfat"
    132   check_drives "/dev/sg*" "vfat"   [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    133     check_drives "/dev/sd*" "${ROOTFS}"
    134     check_drives "/dev/sg*" "${ROOTFS}"
    135  fi  fi
    136    
    137  # for cdrom_device in $CDROM_LIST (ide)  # for cdrom_device in $CDROM_LIST (ide)
    138  check_drives "/dev/cdroms/*" iso9660  ROOTFS="iso9660"
    139  check_drives "/dev/hd*" iso9660  [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    140    check_drives "/dev/cdroms/*" "${ROOTFS}"
    141    check_drives "/dev/hd*" "${ROOTFS}"
    142    
    143  # scsi cdroms  # scsi cdroms
    144  if [ "${DOSCSI}" = "yes" ] || [ "${DOSATA}" = "yes" ]; then  if [ "${DOSCSI}" = "yes" ] || [ "${DOSATA}" = "yes" ]; then
    145   check_drives "/dev/sr*" iso9660   ROOTFS="iso9660"
    146   check_drives "/dev/sg*" iso9660   [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    147   check_drives "/dev/scd*" iso9660   check_drives "/dev/sr*" "${ROOTFS}"
    148     check_drives "/dev/sg*" "${ROOTFS}"
    149     check_drives "/dev/scd*" "${ROOTFS}"
    150  fi  fi
    151    
    152  # mount our rootfs from cdrom  # mount our rootfs from cdrom
    # Line 164  else Line 181  else
    181   # make /sysroot/dev/console & /mnt/dev/null   # make /sysroot/dev/console & /mnt/dev/null
    182   [ ! -e /sysroot/dev/console ] && mknod -m 600 /sysroot/dev/console c 5 1   [ ! -e /sysroot/dev/console ] && mknod -m 600 /sysroot/dev/console c 5 1
    183   [ ! -e /sysroot/dev/null ] && mknod -m 666 /sysroot/dev/null c 1 3   [ ! -e /sysroot/dev/null ] && mknod -m 666 /sysroot/dev/null c 1 3
    184     # only to be safe and to have a log channel
    185     [ ! -e /sysroot/dev/tty ] && mknod /sysroot/dev/tty c 5 0
    186     # busybox needs this one
    187     [ ! -e /sysroot/dev/tty5 ] && mknod /sysroot/dev/tty5 c 4 5
    188    
    189   (cd /sysroot/mnt/cloop; cp -a etc root home var /sysroot)   (cd /sysroot/mnt/cloop; cp -a etc root home var /sysroot)
    190    
    # Line 174  fi Line 195  fi
    195    
    196  cd /  cd /
    197    
    198    # unset hotplug event-manager
    199    echo > /proc/sys/kernel/hotplug
    200    
    201  # de-silencio  # de-silencio
    202  echo 3 > /proc/sys/kernel/printk  echo 3 > /proc/sys/kernel/printk
    203    
    204  echo "-- Switching to real sysroot ..."  echo "-- Switching to real sysroot ..."
    205    umount /dev
    206  umount /sys  umount /sys
    207  umount /proc  umount /proc
    208    
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