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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 1808 by niro, Mon Apr 2 11:41:46 2012 UTC revision 1809 by niro, Mon Apr 23 13:07:35 2012 UTC
    # Line 63  INITEXEC="/sbin/init" Line 63  INITEXEC="/sbin/init"
    63  BREAK_ENABLED=no  BREAK_ENABLED=no
    64  UNIONFS=no  UNIONFS=no
    65  UNIONFS_FILE=""  UNIONFS_FILE=""
    66  CLOOPMOUNTDIR="/sysroot/mnt/cloop"  SYSROOT="/sysroot"
    67    CLOOPMOUNTDIR="${SYSROOT}/mnt/cloop"
    68    
    69  ## starts here ##  ## starts here ##
    70    
    # Line 124  mdev -s Line 125  mdev -s
    125  echo /sbin/mdev > /proc/sys/kernel/hotplug  echo /sbin/mdev > /proc/sys/kernel/hotplug
    126    
    127  # create newroot mount point  # create newroot mount point
    128  mkdir -p /sysroot  mkdir -p ${SYSROOT}
    129  # fake a new filesystem (also needed with an initramfs!!)  # fake a new filesystem (also needed with an initramfs!!)
    130  mount -t tmpfs tmpfs /sysroot  mount -t tmpfs tmpfs ${SYSROOT}
    131    
    132  mkdir -p /sysroot/mnt/cdrom  mkdir -p ${SYSROOT}/mnt/cdrom
    133  mkdir -p /sysroot/mnt/cloop  mkdir -p ${SYSROOT}/mnt/cloop
    134  mkdir -p /sysroot/mnt/magellan  mkdir -p ${SYSROOT}/mnt/magellan
    135    
    136    
    137  # needed for the usbstick, the timeout maybe to short  # needed for the usbstick, the timeout maybe to short
    # Line 182  then Line 183  then
    183   exit 1   exit 1
    184  else  else
    185   echo -e "Booting from: $BOOT_DEVICE ..."   echo -e "Booting from: $BOOT_DEVICE ..."
    186   mount -o ro -t "${FSTYPE}" "${BOOT_DEVICE}" /sysroot/mnt/cdrom >/dev/null 2>&1   mount -o ro -t "${FSTYPE}" "${BOOT_DEVICE}" ${SYSROOT}/mnt/cdrom >/dev/null 2>&1
    187    
    188   # write our boot_device to /mnt/.bootdev for later use (mtab)   # write our boot_device to /mnt/.bootdev for later use (mtab)
    189   echo "BOOTDEV=${BOOT_DEVICE}" > /sysroot/.bootdev   echo "BOOTDEV=${BOOT_DEVICE}" > ${SYSROOT}/.bootdev
    190   echo "FSTYPE=${FSTYPE}" >> /sysroot/.bootdev   echo "FSTYPE=${FSTYPE}" >> ${SYSROOT}/.bootdev
    191    
    192   # mount squashfs   # mount squashfs
    193   echo -e "Mounting squashfs system image ..."   echo -e "Mounting squashfs system image ..."
    194   echo   echo
    195   [ ! -e /dev/loop0 ] && mknod /dev/loop0 b 7 0   [ ! -e /dev/loop0 ] && mknod /dev/loop0 b 7 0
    196   mount -o loop,ro -t squashfs /sysroot/mnt/cdrom/livecdrootfs.sqsh "${CLOOPMOUNTDIR}"   mount -o loop,ro -t squashfs ${SYSROOT}/mnt/cdrom/livecdrootfs.sqsh "${CLOOPMOUNTDIR}"
    197    
    198   # mount unionfs if enabled   # mount unionfs if enabled
    199   if [[ ${UNIONFS} = yes ]]   if [[ ${UNIONFS} = yes ]]
    # Line 200  else Line 201  else
    201   echo -e "Mounting writeable cdbuffer (unionfs) ..."   echo -e "Mounting writeable cdbuffer (unionfs) ..."
    202    
    203   # default setting   # default setting
    204   CLOOPMOUNTDIR="/sysroot/mnt/unionfs"   CLOOPMOUNTDIR="${SYSROOT}/mnt/unionfs"
    205   [[ -z ${UNIONFS_FILE} ]] && UNIONFS_FILE="/sysroot/mnt/cdrom/unionfs"   [[ -z ${UNIONFS_FILE} ]] && UNIONFS_FILE="${SYSROOT}/mnt/cdrom/unionfs"
    206    
    207   [[ ! -d /sysroot/mnt/unionfs ]] && install -d /sysroot/mnt/unionfs   [[ ! -d ${SYSROOT}/mnt/unionfs ]] && install -d ${SYSROOT}/mnt/unionfs
    208   mount -t unionfs dirs=${UNIONFS_FILE}=rw:/sysroot/mnt/cloop=ro ${CLOOPMOUNTDIR}   mount -t unionfs dirs=${UNIONFS_FILE}=rw:${SYSROOT}/mnt/cloop=ro ${CLOOPMOUNTDIR}
    209   fi   fi
    210    
    211   # symlinking cloop rootfs to /mnt as newroot   # symlinking cloop rootfs to /mnt as newroot
    212   cd /sysroot   cd ${SYSROOT}
    213    
    214   for x in bin sbin lib lib64 boot usr opt   for x in bin sbin lib lib64 boot usr opt
    215   do   do
    216   [ -d ${CLOOPMOUNTDIR/\/sysroot\//}/${x} ] && ln -s ${CLOOPMOUNTDIR/\/sysroot\//}/${x} ${x}   [ -d ${CLOOPMOUNTDIR}/${x} ] && ln -s ${CLOOPMOUNTDIR#${SYSROOT}}/${x} ${x}
    217   done   done
    218   mkdir -p initrd proc tmp sys var/tmp dev media   mkdir -p initrd proc tmp sys var/tmp dev media
    219    
    220   # make /sysroot/dev/console & /mnt/dev/null   # make ${SYSROOT}/dev/console & /mnt/dev/null
    221   [ ! -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
    222   [ ! -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
    223   # only to be safe and to have a log channel   # only to be safe and to have a log channel
    224   [ ! -e /sysroot/dev/tty ] && mknod /sysroot/dev/tty c 5 0   [ ! -e ${SYSROOT}/dev/tty ] && mknod ${SYSROOT}/dev/tty c 5 0
    225   # busybox needs this one   # busybox needs this one
    226   [ ! -e /sysroot/dev/tty5 ] && mknod /sysroot/dev/tty5 c 4 5   [ ! -e ${SYSROOT}/dev/tty5 ] && mknod ${SYSROOT}/dev/tty5 c 4 5
    227    
    228   (cd ${CLOOPMOUNTDIR}; cp -a etc root home var /sysroot)   (cd ${CLOOPMOUNTDIR}; cp -a etc root home var ${SYSROOT})
    229    
    230   # ensure that /sysroot/linurc exists   # ensure that ${SYSROOT}/linurc exists
    231   [ ! -e /sysroot/linuxrc ] && ln -snf ${INITEXEC} /sysroot/linuxrc   [ ! -e ${SYSROOT}/linuxrc ] && ln -snf ${INITEXEC} ${SYSROOT}/linuxrc
    232    
    233   # ensure the right permissions   # ensure the right permissions
    234   chmod 1777 /sysroot/tmp   chmod 1777 ${SYSROOT}/tmp
    235   chmod 1777 /sysroot/var/tmp   chmod 1777 ${SYSROOT}/var/tmp
    236  fi  fi
    237    
    238  cd /  cd /
    # Line 249  then Line 250  then
    250  fi  fi
    251    
    252  echo "-- Switching to real sysroot ..."  echo "-- Switching to real sysroot ..."
    253  mount --move /dev /sysroot/dev  mount --move /dev ${SYSROOT}/dev
    254  mount --move /sys /sysroot/sys  mount --move /sys ${SYSROOT}/sys
    255  mount --move /proc /sysroot/proc  mount --move /proc ${SYSROOT}/proc
    256    
    257  exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console  exec run-init ${SYSROOT} ${INITEXEC} $@ < ${SYSROOT}/dev/console > ${SYSROOT}/dev/console
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