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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 671 by niro, Mon Jan 21 23:24:03 2008 UTC revision 1188 by niro, Thu Dec 16 01:24:51 2010 UTC
    # Line 1  Line 1 
    1  #!/bin/sh  #!/bin/sh
    2  # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/livecd/linuxrc.sh,v 1.4 2008-01-21 23:24:03 niro Exp $  # $Id$
    3    
    4  # loads given kernel modules  # loads given kernel modules
    5  load_kernel_modules()  load_kernel_modules()
    # 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  DOFB=no  DOFB=no
    60  NOPATA=no  DOPATA=yes
    61  FORCED_ROOTFS=""  FORCED_ROOTFS=""
    62    INITEXEC="/sbin/init"
    63    BREAK_ENABLED=no
    64    
    65  ## starts here ##  ## starts here ##
    66    
    67  # mount essential filesystems  # mount essential filesystems
    68  mount -t proc proc /proc  mount -t proc proc /proc
    69  mount -t sysfs sysfs /sys  mount -t sysfs sysfs /sys
    70    mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024
    71    
    72    # install all busybox applets
    73    busybox --install -s
    74    
    75  # silencio  # silencio
    76  echo 0 > /proc/sys/kernel/printk  echo 0 > /proc/sys/kernel/printk
    # Line 73  echo 0 > /proc/sys/kernel/printk Line 79  echo 0 > /proc/sys/kernel/printk
    79  for i in $(cat /proc/cmdline)  for i in $(cat /proc/cmdline)
    80  do  do
    81   case "${i}" in   case "${i}" in
    82   doscsi)   doscsi) DOSCSI=yes;;
    83   DOSCSI=yes   noscsi) DOSCSI=no;;
    84   ;;   dousb) DOUSB=yes;;
    85   dousb)   nousb) DOUSB=no;;
    86   DOUSB=yes   dosata) DOSATA=yes ;;
    87   ;;   nosata) DOSATA=no ;;
    88   dosata)   dofb) DOFB=yes;;
    89   DOSATA=yes   nofb) DOFB=no;;
    90   ;;   dopata) DOPATA=yes;;
    91   dofb)   nopata) DOPATA=no;;
    92   DOFB=yes   rootfs=*) FORCED_ROOTFS="${i#*=}";;
    93   ;;   init=*) INITEXEC="${i#*=}";;
    94   nopata)   break) BREAK_ENABLED=yes ;;
      NOPATA=yes  
      ;;  
      rootfs=*)  
      FORCED_ROOTFS="${i#*=}"  
      ;;  
    95   esac   esac
    96  done  done
    97    
    98  # now load all needed modules  # now load all needed modules
    99  [ "${DOFB}" = "yes" ] && load_kernel_modules "framebuffer"  [ "${DOFB}" = "yes" ] && load_kernel_modules "framebuffer"
    100  load_kernel_modules "generic"  load_kernel_modules "generic"
    101  [ "${NOPATA}" != "yes" ] && load_kernel_modules "pata"  [ "${DOPATA}" = "yes" ] && load_kernel_modules "pata"
    102  [ "${DOSCSI}" = "yes" ] && load_kernel_modules "scsi"  [ "${DOSCSI}" = "yes" ] && load_kernel_modules "scsi"
    103  [ "${DOUSB}" = "yes" ] && load_kernel_modules "usb"  [ "${DOUSB}" = "yes" ] && load_kernel_modules "usb"
    104  [ "${DOSATA}" = "yes" ] && load_kernel_modules "sata"  [ "${DOSATA}" = "yes" ] && load_kernel_modules "sata"
    105    
    106    # populate dev
    107    mdev -s
    108    # handle hotplug events properly
    109    echo /sbin/mdev > /proc/sys/kernel/hotplug
    110    
    111  # create newroot mount point  # create newroot mount point
    112  mkdir -p /sysroot  mkdir -p /sysroot
    113  # fake a new filesystem (also needed with an initramfs!!)  # fake a new filesystem (also needed with an initramfs!!)
    # Line 127  echo "Searching for a boot device ..." Line 133  echo "Searching for a boot device ..."
    133  # searching usbstick  # searching usbstick
    134  if [ "${DOUSB}" = "yes" ]; then  if [ "${DOUSB}" = "yes" ]; then
    135   ROOTFS="vfat"   ROOTFS="vfat"
    136   [[ -n ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"   [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    137   check_drives "/dev/sd*" "${ROOTFS}"   check_drives "/dev/sd*" "${ROOTFS}"
    138   check_drives "/dev/sg*" "${ROOTFS}"   check_drives "/dev/sg*" "${ROOTFS}"
    139  fi  fi
    140    
    141  # for cdrom_device in $CDROM_LIST (ide)  # for cdrom_device in $CDROM_LIST (ide)
    142  ROOTFS="iso9660"  ROOTFS="iso9660"
    143  [[ -n ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"  [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    144  check_drives "/dev/cdroms/*" "${ROOTFS}"  check_drives "/dev/cdroms/*" "${ROOTFS}"
    145  check_drives "/dev/hd*" "${ROOTFS}"  check_drives "/dev/hd*" "${ROOTFS}"
    146    
    147  # scsi cdroms  # scsi cdroms
    148  if [ "${DOSCSI}" = "yes" ] || [ "${DOSATA}" = "yes" ]; then  if [ "${DOSCSI}" = "yes" ] || [ "${DOSATA}" = "yes" ]; then
    149   ROOTFS="iso9660"   ROOTFS="iso9660"
    150   [[ -n ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"   [[ ! -z ${FORCED_ROOTFS} ]] && ROOTFS="${FORCED_ROOTFS}"
    151   check_drives "/dev/sr*" "${ROOTFS}"   check_drives "/dev/sr*" "${ROOTFS}"
    152   check_drives "/dev/sg*" "${ROOTFS}"   check_drives "/dev/sg*" "${ROOTFS}"
    153   check_drives "/dev/scd*" "${ROOTFS}"   check_drives "/dev/scd*" "${ROOTFS}"
    # Line 179  else Line 185  else
    185   # make /sysroot/dev/console & /mnt/dev/null   # make /sysroot/dev/console & /mnt/dev/null
    186   [ ! -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
    187   [ ! -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
    188     # only to be safe and to have a log channel
    189     [ ! -e /sysroot/dev/tty ] && mknod /sysroot/dev/tty c 5 0
    190     # busybox needs this one
    191     [ ! -e /sysroot/dev/tty5 ] && mknod /sysroot/dev/tty5 c 4 5
    192    
    193   (cd /sysroot/mnt/cloop; cp -a etc root home var /sysroot)   (cd /sysroot/mnt/cloop; cp -a etc root home var /sysroot)
    194    
    # Line 189  fi Line 199  fi
    199    
    200  cd /  cd /
    201    
    202    # unset hotplug event-manager
    203    echo > /proc/sys/kernel/hotplug
    204    
    205  # de-silencio  # de-silencio
    206  echo 3 > /proc/sys/kernel/printk  echo 3 > /proc/sys/kernel/printk
    207    
    208    if [[ ${BREAK_ENABLED} = yes ]]
    209    then
    210     echo "-- Break requested, type 'exit' to resume operation ..."
    211     ash
    212    fi
    213    
    214  echo "-- Switching to real sysroot ..."  echo "-- Switching to real sysroot ..."
    215    umount /dev
    216  umount /sys  umount /sys
    217  umount /proc  umount /proc
    218    
    219  exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console  exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console
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