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    revision 291 by niro, Fri Dec 2 15:35:32 2005 UTC revision 344 by niro, Sun Feb 26 00:53:40 2006 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 1.9 2006-02-26 00:53:30 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 ${PREMODS}
    # Line 642  echo "Using modules:${MODULES}" Line 649  echo "Using modules:${MODULES}"
    649    
    650    
    651  # create basic filesystem layout  # create basic filesystem layout
    652  install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die  install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die
    653    
    654  # install busybox  # install busybox
    655    echo "$(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 clear cp dirname echo env false find \
    658   grep gunzip gzip ln ls loadkmap losetup mkdir mknod modprobe more mount mv \   grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \
    659   ps pwd rm rmdir sh sleep test touch true umount uname \   ps pwd rm rmdir sh sleep test touch true umount uname \
    660   xargs yes chmod chown   xargs yes chmod chown
    661  do  do
    # Line 655  do Line 663  do
    663   ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}"   ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}"
    664  done  done
    665    
    666    # sbin related
    667    for i in chroot init losetup modprobe pivot_root
    668    do
    669     # static links
    670     ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}"
    671    done
    672    
    673  # install run-init  # install run-init
    674  install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die  echo "$(which run-init.mkinitrd)"
    675    install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die
    676    
    677  # install insmod.static  # install insmod.static
    678  install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die  echo "$(which insmod.static)"
    679    install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die
    680    
    681  # install udev  # install udev
    682  cp -a /etc/udev ${DEST}/etc || die  cp -a /etc/udev ${DEST}/etc || die
    683  install -m0755 /sbin/udev.static ${DEST}/bin/udev || die  install -m0755 /sbin/udev.static ${DEST}/sbin/udev || die
    684  install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die  install -m0755 /sbin/udevd.static ${DEST}/sbin/udevd || die
    685  install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die  install -m0755 /sbin/udevstart.static ${DEST}/sbin/udevstart || die
    686    
    687  # install lvm  # install lvm
    688  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    689  then  then
    690   inst /sbin/lvm.static "${DEST}/bin/lvm"   inst /sbin/lvm.static "${DEST}/sbin/lvm"
    691   if [ -f /etc/lvm/lvm.conf ]   if [ -f /etc/lvm/lvm.conf ]
    692   then   then
    693   cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/   cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/
    # Line 678  then Line 695  then
    695  fi  fi
    696    
    697  # create some needed device nodes  # create some needed device nodes
    698    mkdir ${DEST}/dev/pts || die
    699    mkdir ${DEST}/dev/shm || die
    700  mkdir ${DEST}/dev/mapper || die  mkdir ${DEST}/dev/mapper || die
    701    mkdir ${DEST}/dev/misc || die
    702    mkdir ${DEST}/dev/fb || die
    703    mkdir ${DEST}/dev/vc || die
    704  mknod ${DEST}/dev/console c 5 1 || die  mknod ${DEST}/dev/console c 5 1 || die
    705  mknod ${DEST}/dev/null c 1 3 || die  mknod ${DEST}/dev/null c 1 3 || die
    706  mknod ${DEST}/dev/ram b 1 1 || die  mknod ${DEST}/dev/ram b 1 1 || die
    # Line 702  add_initrd '#!/bin/sh' Line 724  add_initrd '#!/bin/sh'
    724  add_initrd 'mount -t proc proc /proc'  add_initrd 'mount -t proc proc /proc'
    725  add_initrd 'mount -t sysfs sysfs /sys'  add_initrd 'mount -t sysfs sysfs /sys'
    726    
    727    [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /'
    728    
    729    # silencio
    730    add_initrd 'echo 0 > /proc/sys/kernel/printk'
    731    
    732  add_initrd 'echo "-- Creating inital device nodes ..."'  add_initrd 'echo "-- Creating inital device nodes ..."'
    733  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'
    734  add_initrd 'mkdir /dev/pts'  add_initrd 'mkdir /dev/pts'
    735  add_initrd 'mkdir /dev/shm'  add_initrd 'mkdir /dev/shm'
    736  add_initrd 'mkdir /dev/mapper'  add_initrd 'mkdir /dev/mapper'
    737    add_initrd 'mkdir /dev/misc'
    738    add_initrd 'mkdir /dev/fb'
    739    add_initrd 'mkdir /dev/vc'
    740  add_initrd 'mknod /dev/console c 5 1'  add_initrd 'mknod /dev/console c 5 1'
    741  add_initrd 'mknod /dev/null c 1 3'  add_initrd 'mknod /dev/null c 1 3'
    742  add_initrd 'mknod /dev/ram b 1 1'  add_initrd 'mknod /dev/ram b 1 1'
    # Line 722  for (( i=64; i < 68; i++)); do Line 752  for (( i=64; i < 68; i++)); do
    752  done  done
    753    
    754  add_initrd 'echo "-- Starting udevd ..."'  add_initrd 'echo "-- Starting udevd ..."'
     add_initrd 'ln -snf bin /sbin'  
    755  add_initrd '/sbin/udevstart'  add_initrd '/sbin/udevstart'
    756  add_initrd 'ln -snf /proc/self/fd /dev/fd'  add_initrd 'ln -snf /proc/self/fd /dev/fd'
    757  add_initrd 'ln -snf fd/0 /dev/stdin'  add_initrd 'ln -snf fd/0 /dev/stdin'
    # Line 733  add_initrd 'touch /dev/.udev' Line 762  add_initrd 'touch /dev/.udev'
    762    
    763  add_initrd 'echo "-- Setting up hotplug ..."'  add_initrd 'echo "-- Setting up hotplug ..."'
    764  add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug'  add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug'
    765  add_initrd 'for i in $(find /lib -type f -name *.ko)'  
    766  add_initrd 'do'  # loading detected modules with options
    767  add_initrd ' echo "-- Loadin module ${i}"'  for MODULE in ${MODULES}
    768  add_initrd ' insmod ${i};'  do
    769  # handle special cases like usb   text=""
    770  add_initrd ' if [ "${i}" = "usb-storage" ]'   module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//")
    771  add_initrd ' then'   fullmodule=$(echo ${MODULE} | sed "s|.*/||")
    772  add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."'  
    773  add_initrd ' sleep 8'   options=$(sed -n -e "s/^options[     ][      ]*${module}[      ][      ]*//p" ${modulefile} 2>/dev/null)
    774  add_initrd ' fi'  
    775  add_initrd 'done'   if [ -n "${options}" ]
    776     then
    777     echo "Adding module ${module}${text} with options ${options} ..."
    778     else
    779     echo "Adding module ${module}${text} ..."
    780     fi
    781    
    782     add_initrd "echo \"-- Loading ${fullmodule} module\""
    783     add_initrd "insmod /lib/${fullmodule} ${options}"
    784    
    785     # Hack - we need a delay after loading usb-storage to give things
    786     #        time to settle down before we start looking a block devices
    787     if [ "${module}" = "usb-storage" ]
    788     then
    789     add_initrd 'echo Waiting 8 seconds for driver initialization.'
    790     add_initrd 'sleep 8'
    791     fi
    792     if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ]
    793     then
    794     add_initrd 'echo Waiting 2 seconds for driver initialization.'
    795     add_initrd 'sleep 2'
    796     cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN
    797     do
    798     add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add"
    799     add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add"
    800     add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online"
    801     done
    802     fi
    803    done
    804    
    805  # lvm support  # lvm support
    806  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    # Line 770  fi Line 827  fi
    827  # software suspend  # software suspend
    828  if [ -z "${noresume}" ]  if [ -z "${noresume}" ]
    829  then  then
    830   add_initrd "resume ${swsuspdev}"   add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}"
    831  fi  fi
    832    
    833  # raid  # raid
    # Line 785  fi Line 842  fi
    842    
    843  add_initrd 'echo "-- Mounting sysroot ..."'  add_initrd 'echo "-- Mounting sysroot ..."'
    844  add_initrd '. /etc/rootdev'  add_initrd '. /etc/rootdev'
    845  add_initrd 'mknod ${device} b ${major} ${minor}'  add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}'
    846  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'
    847  add_initrd 'mount /sysroot'  add_initrd 'mount /sysroot'
    848    
    849    # de-silencio
    850    add_initrd 'echo 3 > /proc/sys/kernel/printk'
    851    
    852  add_initrd 'echo "-- Switching to real sysroot ..."'  add_initrd 'echo "-- Switching to real sysroot ..."'
    853  add_initrd 'umount /sys'  add_initrd 'umount /sys'
    854  add_initrd 'umount /proc'  add_initrd 'umount /proc'
    855  add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'  
    856    [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'
    857    if [[ ${IMAGE_TYPE} = loopback ]]
    858    then
    859     add_initrd 'cd /sysroot'
    860     add_initrd 'pivot_root . initrd'
    861     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"
    862    fi
    863    
    864  chmod +x ${DEST}/init || die  chmod +x ${DEST}/init || die
    865    
    # Line 807  echo "rootfs=${rootfs}" >> ${DEST}/etc/r Line 874  echo "rootfs=${rootfs}" >> ${DEST}/etc/r
    874  echo "Coping your modules to '${DEST}/lib' ..."  echo "Coping your modules to '${DEST}/lib' ..."
    875  for MODULE in ${MODULES}  for MODULE in ${MODULES}
    876  do  do
    877   if [ -x /usr/bin/strip ]   if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
    878   then   then
    879   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die
    880   else   else
    # Line 816  do Line 883  do
    883  done  done
    884    
    885  # create the image  # create the image
    886  (cd "${DEST}" ; find . | cpio --quiet --dereference -o -H newc | gzip -9 >${IMAGE})  echo "Creating initrd image '${target}' ..."
    887  cat ${IMAGE} > ${target} || die  if [[ ${IMAGE_TYPE} = initramfs ]]
    888    then
    889     (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE})
    890     cat ${IMAGE} > ${target} || die
    891    fi
    892    
    893    if [[ ${IMAGE_TYPE} = loopback ]]
    894    then
    895     MOUNTTMP="$(mktemp -d)"
    896    
    897     # create ext2 img
    898     dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die
    899     mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die
    900     mount -o loop ${IMAGE} ${MOUNTTMP} || die
    901     mv ${DEST}/* ${MOUNTTMP} || die
    902     umount ${MOUNTTMP} || die
    903     gzip -9 ${IMAGE} || die
    904     cat ${IMAGE}.gz > ${target} || die
    905     [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}
    906    
    907     # create inird dir for pivot_root
    908     [ ! -d /initrd ] && { install -d /initrd || die; }
    909    fi
    910    
    911  # clean up  # clean up
    912  [ -d ${DEST} ] && rm -rf ${DEST}  [ -d ${DEST} ] && rm -rf ${DEST}
    913  [ -f ${IMAGE} ] && rm -f ${IMAGE}  [ -f ${IMAGE} ] && rm -f ${IMAGE}
    914    
    915    # all went ok at this point
    916    exit 0
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