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    revision 291 by niro, Fri Dec 2 15:35:32 2005 UTC revision 511 by niro, Fri Aug 17 21:58:28 2007 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 1.13 2007-08-17 21:58:28 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 initramfs method as default
    415    [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs
    416    
    417  if [ -z "${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
    662     # use soft links from now on;
    663     # hardlinks in initramfs apears to be broken on newer kernels
    664     # -> "request module: runaway loop modprobe binfmt-0000"
    665     # see: http://www.gossamer-threads.com/lists/linux/kernel/728042
    666     ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}"
    667    done
    668    
    669    # sbin related
    670    for i in chroot init losetup modprobe pivot_root
    671    do
    672   # static links   # static links
    673   ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}"   ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}"
    674  done  done
    675    
    676  # install run-init  # install run-init
    677  install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die  echo "$(which run-init.mkinitrd)"
    678    install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die
    679    
    680  # install insmod.static  # install insmod.static
    681  install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die  echo "$(which insmod.static)"
    682    install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die
     # install udev  
     cp -a /etc/udev ${DEST}/etc || die  
     install -m0755 /sbin/udev.static ${DEST}/bin/udev || die  
     install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die  
     install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die  
    683    
    684  # install lvm  # install lvm
    685  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    686  then  then
    687   inst /sbin/lvm.static "${DEST}/bin/lvm"   inst /sbin/lvm.static "${DEST}/sbin/lvm"
    688   if [ -f /etc/lvm/lvm.conf ]   if [ -f /etc/lvm/lvm.conf ]
    689   then   then
    690   cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/   cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/
    # Line 678  then Line 692  then
    692  fi  fi
    693    
    694  # create some needed device nodes  # create some needed device nodes
    695    mkdir ${DEST}/dev/pts || die
    696    mkdir ${DEST}/dev/shm || die
    697  mkdir ${DEST}/dev/mapper || die  mkdir ${DEST}/dev/mapper || die
    698    mkdir ${DEST}/dev/misc || die
    699    mkdir ${DEST}/dev/fb || die
    700    mkdir ${DEST}/dev/vc || die
    701  mknod ${DEST}/dev/console c 5 1 || die  mknod ${DEST}/dev/console c 5 1 || die
    702  mknod ${DEST}/dev/null c 1 3 || die  mknod ${DEST}/dev/null c 1 3 || die
    703  mknod ${DEST}/dev/ram b 1 1 || die  mknod ${DEST}/dev/ram b 1 1 || die
    # Line 702  add_initrd '#!/bin/sh' Line 721  add_initrd '#!/bin/sh'
    721  add_initrd 'mount -t proc proc /proc'  add_initrd 'mount -t proc proc /proc'
    722  add_initrd 'mount -t sysfs sysfs /sys'  add_initrd 'mount -t sysfs sysfs /sys'
    723    
    724    [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /'
    725    
    726    # silencio
    727    add_initrd 'echo 0 > /proc/sys/kernel/printk'
    728    
    729  add_initrd 'echo "-- Creating inital device nodes ..."'  add_initrd 'echo "-- Creating inital device nodes ..."'
    730  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'  add_initrd 'mount -o mode=0755 -t tmpfs udev /dev'
    731  add_initrd 'mkdir /dev/pts'  add_initrd 'mkdir /dev/pts'
    732  add_initrd 'mkdir /dev/shm'  add_initrd 'mkdir /dev/shm'
    733  add_initrd 'mkdir /dev/mapper'  add_initrd 'mkdir /dev/mapper'
    734    add_initrd 'mkdir /dev/misc'
    735    add_initrd 'mkdir /dev/fb'
    736    add_initrd 'mkdir /dev/vc'
    737  add_initrd 'mknod /dev/console c 5 1'  add_initrd 'mknod /dev/console c 5 1'
    738  add_initrd 'mknod /dev/null c 1 3'  add_initrd 'mknod /dev/null c 1 3'
    739  add_initrd 'mknod /dev/ram b 1 1'  add_initrd 'mknod /dev/ram b 1 1'
    # Line 721  for (( i=64; i < 68; i++)); do Line 748  for (( i=64; i < 68; i++)); do
    748   add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}"   add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}"
    749  done  done
    750    
    751  add_initrd 'echo "-- Starting udevd ..."'  # some needed symlinks
     add_initrd 'ln -snf bin /sbin'  
     add_initrd '/sbin/udevstart'  
    752  add_initrd 'ln -snf /proc/self/fd /dev/fd'  add_initrd 'ln -snf /proc/self/fd /dev/fd'
    753  add_initrd 'ln -snf fd/0 /dev/stdin'  add_initrd 'ln -snf fd/0 /dev/stdin'
    754  add_initrd 'ln -snf fd/1 /dev/stdout'  add_initrd 'ln -snf fd/1 /dev/stdout'
    755  add_initrd 'ln -snf fd/2 /dev/stderr'  add_initrd 'ln -snf fd/2 /dev/stderr'
    756  add_initrd 'ln -snf /proc/kcore /dev/core'  add_initrd 'ln -snf /proc/kcore /dev/core'
     add_initrd 'touch /dev/.udev'  
    757    
    758  add_initrd 'echo "-- Setting up hotplug ..."'  # loading detected modules with options
    759  add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug'  for MODULE in ${MODULES}
    760  add_initrd 'for i in $(find /lib -type f -name *.ko)'  do
    761  add_initrd 'do'   text=""
    762  add_initrd ' echo "-- Loadin module ${i}"'   module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//")
    763  add_initrd ' insmod ${i};'   fullmodule=$(echo ${MODULE} | sed "s|.*/||")
    764  # handle special cases like usb  
    765  add_initrd ' if [ "${i}" = "usb-storage" ]'   options=$(sed -n -e "s/^options[     ][      ]*${module}[      ][      ]*//p" ${modulefile} 2>/dev/null)
    766  add_initrd ' then'  
    767  add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."'   if [ -n "${options}" ]
    768  add_initrd ' sleep 8'   then
    769  add_initrd ' fi'   echo "Adding module ${module}${text} with options ${options} ..."
    770  add_initrd 'done'   else
    771     echo "Adding module ${module}${text} ..."
    772     fi
    773    
    774     add_initrd "echo \"-- Loading ${fullmodule} module\""
    775     add_initrd "insmod /lib/${fullmodule} ${options}"
    776    
    777     # Hack - we need a delay after loading usb-storage to give things
    778     #        time to settle down before we start looking a block devices
    779     if [ "${module}" = "usb-storage" ]
    780     then
    781     add_initrd 'echo Waiting 8 seconds for driver initialization.'
    782     add_initrd 'sleep 8'
    783     fi
    784     if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ]
    785     then
    786     add_initrd 'echo Waiting 2 seconds for driver initialization.'
    787     add_initrd 'sleep 2'
    788     cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN
    789     do
    790     add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add"
    791     add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add"
    792     add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online"
    793     done
    794     fi
    795    done
    796    
    797  # lvm support  # lvm support
    798  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    # Line 770  fi Line 819  fi
    819  # software suspend  # software suspend
    820  if [ -z "${noresume}" ]  if [ -z "${noresume}" ]
    821  then  then
    822   add_initrd "resume ${swsuspdev}"   add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}"
    823  fi  fi
    824    
    825  # raid  # raid
    # Line 785  fi Line 834  fi
    834    
    835  add_initrd 'echo "-- Mounting sysroot ..."'  add_initrd 'echo "-- Mounting sysroot ..."'
    836  add_initrd '. /etc/rootdev'  add_initrd '. /etc/rootdev'
    837  add_initrd 'mknod ${device} b ${major} ${minor}'  add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}'
    838  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'
    839  add_initrd 'mount /sysroot'  add_initrd 'mount /sysroot'
    840    
    841    # de-silencio
    842    add_initrd 'echo 3 > /proc/sys/kernel/printk'
    843    
    844  add_initrd 'echo "-- Switching to real sysroot ..."'  add_initrd 'echo "-- Switching to real sysroot ..."'
    845  add_initrd 'umount /sys'  add_initrd 'umount /sys'
    846  add_initrd 'umount /proc'  add_initrd 'umount /proc'
    847  add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'  add_initrd 'umount /dev'
    848    
    849    [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'
    850    if [[ ${IMAGE_TYPE} = loopback ]]
    851    then
    852     add_initrd 'cd /sysroot'
    853     add_initrd 'pivot_root . initrd'
    854     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"
    855    fi
    856    
    857  chmod +x ${DEST}/init || die  chmod +x ${DEST}/init || die
    858    
    # Line 807  echo "rootfs=${rootfs}" >> ${DEST}/etc/r Line 867  echo "rootfs=${rootfs}" >> ${DEST}/etc/r
    867  echo "Coping your modules to '${DEST}/lib' ..."  echo "Coping your modules to '${DEST}/lib' ..."
    868  for MODULE in ${MODULES}  for MODULE in ${MODULES}
    869  do  do
    870   if [ -x /usr/bin/strip ]   if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
    871   then   then
    872   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die
    873   else   else
    # Line 816  do Line 876  do
    876  done  done
    877    
    878  # create the image  # create the image
    879  (cd "${DEST}" ; find . | cpio --quiet --dereference -o -H newc | gzip -9 >${IMAGE})  echo "Creating initrd image '${target}' ..."
    880  cat ${IMAGE} > ${target} || die  if [[ ${IMAGE_TYPE} = initramfs ]]
    881    then
    882     (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE})
    883     cat ${IMAGE} > ${target} || die
    884    fi
    885    
    886    if [[ ${IMAGE_TYPE} = loopback ]]
    887    then
    888     MOUNTTMP="$(mktemp -d)"
    889    
    890     # create ext2 img
    891     dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die
    892     mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die
    893     mount -o loop ${IMAGE} ${MOUNTTMP} || die
    894     mv ${DEST}/* ${MOUNTTMP} || die
    895     umount ${MOUNTTMP} || die
    896     gzip -9 ${IMAGE} || die
    897     cat ${IMAGE}.gz > ${target} || die
    898     [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}
    899    
    900     # create inird dir for pivot_root
    901     [ ! -d /initrd ] && { install -d /initrd || die; }
    902    fi
    903    
    904  # clean up  # clean up
    905  [ -d ${DEST} ] && rm -rf ${DEST}  [ -d ${DEST} ] && rm -rf ${DEST}
    906  [ -f ${IMAGE} ] && rm -f ${IMAGE}  [ -f ${IMAGE} ] && rm -f ${IMAGE}
    907    
    908    # all went ok at this point
    909    exit 0
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