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    Diff of /trunk/mkinitrd/mkinitrd.sh

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    revision 291 by niro, Fri Dec 2 15:35:32 2005 UTC revision 303 by niro, Thu Dec 15 20:44:55 2005 UTC
    # Line 1  Line 1 
    1  #!/bin/bash  #!/bin/bash
    2  # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.2 2005-12-02 15:35:32 niro Exp $  # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.7 2005-12-15 20:44:55 niro Exp $
    3    
    4  # mkinitrd  # mkinitrd
    5  #  #
    # Line 38  VERSION=5.0.8 Line 38  VERSION=5.0.8
    38  PROBE="yes"  PROBE="yes"
    39  MODULES=""  MODULES=""
    40  PREMODS=""  PREMODS=""
    41    NOSTRIP=false
    42    
    43  [ -e /etc/sysconfig/mkinitrd ] && . /etc/sysconfig/mkinitrd  [ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd
    44    
    45  CONFMODS="$MODULES"  CONFMODS="${MODULES}"
    46  MODULES=""  MODULES=""
    47    
    48  compress=1  compress=1
    # Line 55  builtins="" Line 56  builtins=""
    56  modulefile=/etc/modules.conf  modulefile=/etc/modules.conf
    57  rc=0  rc=0
    58    
    59  IMAGESIZE=8000  IMAGESIZE=4000
    60  PRESCSIMODS="sd_mod"  PRESCSIMODS="sd_mod"
    61  fstab="/etc/fstab"  fstab="/etc/fstab"
    62    
    # Line 73  usage() Line 74  usage()
    74   echo "       [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]"   echo "       [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]"
    75   echo "       [--image-version] [--force-scsi-probe | --omit-raid-modules]"   echo "       [--image-version] [--force-scsi-probe | --omit-raid-modules]"
    76   echo "       [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"   echo "       [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"
    77   echo "       [--builtin=<module>] "   echo "       [--builtin=<module>] [--initramfs | --loopback] [--no-strip]"
    78   echo "       [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"   echo "       [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"
    79   echo   echo
    80   echo "       (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)"   echo "       (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)"
    # Line 391  while [ $# -gt 0 ]; do Line 392  while [ $# -gt 0 ]; do
    392   --allow-missing) allowmissing=yes ;;   --allow-missing) allowmissing=yes ;;
    393   --noresume) noresume=1 ;;   --noresume) noresume=1 ;;
    394   --help) usage -n ;;   --help) usage -n ;;
    395     --initramfs) IMAGE_TYPE=initramfs ;;
    396     --loopback) IMAGE_TYPE=loopback ;;
    397     --no-strip) NOSTRIP=true ;;
    398   *)   *)
    399   if [ -z "${target}" ]   if [ -z "${target}" ]
    400   then   then
    # Line 407  while [ $# -gt 0 ]; do Line 411  while [ $# -gt 0 ]; do
    411   shift   shift
    412  done  done
    413    
    414    # enforce loopback method as default
    415    [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=loopback
    416    
    417  if [ -z "${target}" -o -z "${kernel}" ]  if [ -z "${target}" -o -z "${kernel}" ]
    418  then  then
    419   usage   usage
    # Line 445  fi Line 452  fi
    452  ##############################  ##############################
    453  ####### get modules ##########  ####### get modules ##########
    454    
    455  echo "Creating initramfs"  echo "Creating ${IMAGE_TYPE} initrd image"
    456  modulefile=/etc/modprobe.conf  modulefile=/etc/modprobe.conf
    457    
    458  for n in ${PREMODS}  for n in ${PREMODS}
    # Line 645  echo "Using modules:${MODULES}" Line 652  echo "Using modules:${MODULES}"
    652  install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die  install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die
    653    
    654  # install busybox  # install busybox
    655    echo "$(which busybox.mkinitrd)"
    656  install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die  install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die
    657  for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \  for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \
    658   grep gunzip gzip ln ls loadkmap losetup mkdir mknod modprobe more mount mv \   grep gunzip gzip init ln ls loadkmap losetup mkdir mknod modprobe more mount mv \
    659   ps pwd rm rmdir sh sleep test touch true umount uname \   pivot_root ps pwd rm rmdir sh sleep test touch true umount uname \
    660   xargs yes chmod chown   xargs yes chmod chown
    661  do  do
    662   # static links   # static links
    # Line 656  do Line 664  do
    664  done  done
    665    
    666  # install run-init  # install run-init
    667    echo "$(which run-init.mkinitrd)"
    668  install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die  install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die
    669    
    670  # install insmod.static  # install insmod.static
    671    echo "$(which insmod.static)"
    672  install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die  install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die
    673    
    674  # install udev  # install udev
    # Line 702  add_initrd '#!/bin/sh' Line 712  add_initrd '#!/bin/sh'
    712  add_initrd 'mount -t proc proc /proc'  add_initrd 'mount -t proc proc /proc'
    713  add_initrd 'mount -t sysfs sysfs /sys'  add_initrd 'mount -t sysfs sysfs /sys'
    714    
    715    [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /'
    716    
    717  add_initrd 'echo "-- Creating inital device nodes ..."'  add_initrd 'echo "-- Creating inital device nodes ..."'
    718  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'
    719  add_initrd 'mkdir /dev/pts'  add_initrd 'mkdir /dev/pts'
    # Line 733  add_initrd 'touch /dev/.udev' Line 745  add_initrd 'touch /dev/.udev'
    745    
    746  add_initrd 'echo "-- Setting up hotplug ..."'  add_initrd 'echo "-- Setting up hotplug ..."'
    747  add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug'  add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug'
    748  add_initrd 'for i in $(find /lib -type f -name *.ko)'  # add_initrd 'for i in $(find /lib -type f -name *.ko)'
    749  add_initrd 'do'  # add_initrd 'do'
    750  add_initrd ' echo "-- Loadin module ${i}"'  # add_initrd ' echo "-- Loading module ${i}"'
    751  add_initrd ' insmod ${i};'  # add_initrd ' insmod ${i};'
    752  # handle special cases like usb  # # handle special cases like usb
    753  add_initrd ' if [ "${i}" = "usb-storage" ]'  # add_initrd ' if [ "${i}" = "usb-storage" ]'
    754  add_initrd ' then'  # add_initrd ' then'
    755  add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."'  # add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."'
    756  add_initrd ' sleep 8'  # add_initrd ' sleep 8'
    757  add_initrd ' fi'  # add_initrd ' fi'
    758  add_initrd 'done'  # add_initrd 'done'
    759    
    760    # loading detected modules with options
    761    for MODULE in ${MODULES}
    762    do
    763     text=""
    764     module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//")
    765     fullmodule=$(echo ${MODULE} | sed "s|.*/||")
    766    
    767     options=$(sed -n -e "s/^options[     ][      ]*${module}[      ][      ]*//p" ${modulefile} 2>/dev/null)
    768    
    769     if [ -n "${options}" ]
    770     then
    771     echo "Adding module ${module}${text} with options ${options} ..."
    772     else
    773     echo "Adding module ${module}${text} ..."
    774     fi
    775    
    776     add_initrd "echo \"-- Loading ${fullmodule} module\""
    777     add_initrd "insmod /lib/${fullmodule} ${options}"
    778    
    779     # Hack - we need a delay after loading usb-storage to give things
    780     #        time to settle down before we start looking a block devices
    781     if [ "${module}" = "usb-storage" ]
    782     then
    783     add_initrd 'echo Waiting 8 seconds for driver initialization.'
    784     add_initrd 'sleep 8'
    785     fi
    786     if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ]
    787     then
    788     add_initrd 'echo Waiting 2 seconds for driver initialization.'
    789     add_initrd 'sleep 2'
    790     cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN
    791     do
    792     add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add"
    793     add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add"
    794     add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online"
    795     done
    796     fi
    797    done
    798    
    799  # lvm support  # lvm support
    800  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    # Line 785  fi Line 836  fi
    836    
    837  add_initrd 'echo "-- Mounting sysroot ..."'  add_initrd 'echo "-- Mounting sysroot ..."'
    838  add_initrd '. /etc/rootdev'  add_initrd '. /etc/rootdev'
    839  add_initrd 'mknod ${device} b ${major} ${minor}'  add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}'
    840  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'
    841  add_initrd 'mount /sysroot'  add_initrd 'mount /sysroot'
    842    
    843  add_initrd 'echo "-- Switching to real sysroot ..."'  add_initrd 'echo "-- Switching to real sysroot ..."'
    844  add_initrd 'umount /sys'  add_initrd 'umount /sys'
    845  add_initrd 'umount /proc'  add_initrd 'umount /proc'
    846  add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'  
    847    [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'
    848    if [[ ${IMAGE_TYPE} = loopback ]]
    849    then
    850     add_initrd 'cd /sysroot'
    851     add_initrd 'pivot_root . initrd'
    852     add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new /sbin/init'</dev/console >/dev/console 2>&1"
    853    fi
    854    
    855  chmod +x ${DEST}/init || die  chmod +x ${DEST}/init || die
    856    
    # Line 807  echo "rootfs=${rootfs}" >> ${DEST}/etc/r Line 865  echo "rootfs=${rootfs}" >> ${DEST}/etc/r
    865  echo "Coping your modules to '${DEST}/lib' ..."  echo "Coping your modules to '${DEST}/lib' ..."
    866  for MODULE in ${MODULES}  for MODULE in ${MODULES}
    867  do  do
    868   if [ -x /usr/bin/strip ]   if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
    869   then   then
    870   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die
    871   else   else
    # Line 816  do Line 874  do
    874  done  done
    875    
    876  # create the image  # create the image
    877  (cd "${DEST}" ; find . | cpio --quiet --dereference -o -H newc | gzip -9 >${IMAGE})  echo "Creating initrd image '${target}' ..."
    878  cat ${IMAGE} > ${target} || die  if [[ ${IMAGE_TYPE} = initramfs ]]
    879    then
    880     (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE})
    881     cat ${IMAGE} > ${target} || die
    882    fi
    883    
    884    if [[ ${IMAGE_TYPE} = loopback ]]
    885    then
    886     MOUNTTMP="$(mktemp -d)"
    887    
    888     # create ext2 img
    889     dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die
    890     mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die
    891     mount -o loop ${IMAGE} ${MOUNTTMP} || die
    892     mv ${DEST}/* ${MOUNTTMP} || die
    893     umount ${MOUNTTMP} || die
    894     gzip -9 ${IMAGE} || die
    895     cat ${IMAGE}.gz > ${target} || die
    896     [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}
    897    
    898     # create inird dir for pivot_root
    899     [ ! -d /initrd ] && { install -d /initrd || die; }
    900    fi
    901    
    902  # clean up  # clean up
    903  [ -d ${DEST} ] && rm -rf ${DEST}  [ -d ${DEST} ] && rm -rf ${DEST}
    904  [ -f ${IMAGE} ] && rm -f ${IMAGE}  [ -f ${IMAGE} ] && rm -f ${IMAGE}
    905    
    906    # all went ok at this point
    907    exit 0
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