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    Diff of /trunk/mkinitrd-magellan/mkinitrd.in

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    revision 897 by niro, Wed Aug 5 17:50:57 2009 UTC revision 1876 by niro, Wed Jul 11 09:57:18 2012 UTC
    # Line 39  PROBE="yes" Line 39  PROBE="yes"
    39  MODULES=""  MODULES=""
    40  PREMODS=""  PREMODS=""
    41  NOSTRIP=false  NOSTRIP=false
    42    FIRMWARE_PATH="/lib/firmware"
    43    FIRMWARE_FILES=""
    44    
    45  [ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd  [ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd
    46    
    47  CONFMODS="${MODULES}"  CONFMODS="${MODULES}"
    48  MODULES=""  MODULES=""
    49    INITEXEC="/sbin/init"
    50    
    51  compress=1  compress=1
    52  allowmissing=""  allowmissing=""
    # Line 53  force="" Line 56  force=""
    56  verbose=""  verbose=""
    57  img_vers=""  img_vers=""
    58  builtins=""  builtins=""
    59  modulefile=/etc/modules.conf  modulefile="/etc/modules.conf"
    60    modprobeconf="/etc/modprobe.d/*"
    61  rc=0  rc=0
    62    
    63  IMAGESIZE=4000  IMAGESIZE=4000
    # Line 75  usage() Line 79  usage()
    79   echo "       [--image-version] [--force-scsi-probe | --omit-raid-modules]"   echo "       [--image-version] [--force-scsi-probe | --omit-raid-modules]"
    80   echo "       [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"   echo "       [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"
    81   echo "       [--builtin=<module>] [--initramfs | --loopback] [--no-strip]"   echo "       [--builtin=<module>] [--initramfs | --loopback] [--no-strip]"
    82   echo "       [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"   echo "       [--fstab=<fstab>] [--nocompress] [--initexec=<init>]"
    83     echo "       <initrd-image> <kernel-version>"
    84   echo   echo
    85   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)"
    86    
    # Line 91  moduledep() Line 96  moduledep()
    96    
    97   echo "Looking for deps of module $1"   echo "Looking for deps of module $1"
    98   deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \   deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
    99   function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \   function modname(filename) { match(filename, /\/([^\/]+)\.k?o.?g?z?:?$/, ret); return ret[1] } \
    100   function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \   function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
    101   /^.*kernel/ { show(); \   /^.*kernel/ { show(); \
    102   orig=modname($1); dep=""; \   orig=modname($1); dep=""; \
    # Line 129  findmodule() Line 134  findmodule()
    134    
    135   case "${MODULES} " in   case "${MODULES} " in
    136   *"/${modName}.ko "*) return ;;   *"/${modName}.ko "*) return ;;
    137     *"/${modName}.ko.gz "*) return ;;
    138   esac   esac
    139    
    140   if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)'   if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)'
    # Line 161  findmodule() Line 167  findmodule()
    167   done   done
    168   fi   fi
    169    
    170   for modExt in o.gz o ko   for modExt in o.gz o ko ko.gz
    171   do   do
    172   for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel}   for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel}
    173   do   do
    # Line 249  findstoragedriver() Line 255  findstoragedriver()
    255   modalias=$(cat modalias)   modalias=$(cat modalias)
    256   for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }')   for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }')
    257   do   do
    258   findmodule ${driver%%.ko}   findmodule ${driver%%.*}
    259   done   done
    260   popd >/dev/null 2>&1   popd >/dev/null 2>&1
    261   done   done
    # Line 328  get_blkid() Line 334  get_blkid()
    334   local dev="$1"   local dev="$1"
    335   [[ -z ${dev} ]] && die "no dev given"   [[ -z ${dev} ]] && die "no dev given"
    336    
    337   eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //')   # check if given device is already an UUID
    338     if [[ ${dev/UUID=/}x != ${dev}x ]]
    339     then
    340     eval "${dev}"
    341     else
    342     eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //')
    343     fi
    344   echo ${UUID}   echo ${UUID}
    345  }  }
    346    
    347    add_firmware()
    348    {
    349     local firmware="$1"
    350     local i
    351    
    352     # check if given firmware is already included in FIRMWARE_FILES
    353     for i in ${FIRMWARE_FILES}
    354     do
    355     [[ ${firmware} = ${i} ]] && return 0
    356     done
    357    
    358     # include firmware
    359     FIRMWARE_FILES="${FIRMWARE_FILES} ${firmware}"
    360    }
    361    
    362  # need r00t privs  # need r00t privs
    363  [[ $(id -u) != 0 ]] && die "you must be r00t."  [[ $(id -u) != 0 ]] && die "you must be r00t."
    364    
    # Line 408  while [ $# -gt 0 ]; do Line 435  while [ $# -gt 0 ]; do
    435   --initramfs) IMAGE_TYPE=initramfs ;;   --initramfs) IMAGE_TYPE=initramfs ;;
    436   --loopback) IMAGE_TYPE=loopback ;;   --loopback) IMAGE_TYPE=loopback ;;
    437   --no-strip) NOSTRIP=true ;;   --no-strip) NOSTRIP=true ;;
    438     --initexec*)
    439     if echo $1 | grep -q '=' ; then
    440     INITEXEC=$(echo $1 | sed 's/^--initexec=//')
    441     else
    442     INITEXEC=$2
    443     shift
    444     fi
    445     ;;
    446   *)   *)
    447   if [ -z "${target}" ]   if [ -z "${target}" ]
    448   then   then
    # Line 466  fi Line 501  fi
    501  ####### get modules ##########  ####### get modules ##########
    502    
    503  echo "Creating ${IMAGE_TYPE} initrd image"  echo "Creating ${IMAGE_TYPE} initrd image"
     modulefile=/etc/modprobe.conf  
    504    
    505  for n in ${PREMODS}  for n in ${PREMODS}
    506  do  do
    # Line 481  then Line 515  then
    515   for fs in / /boot   for fs in / /boot
    516   do   do
    517   esc=$(echo ${fs} | sed 's,/,\\/,g')   esc=$(echo ${fs} | sed 's,/,\\/,g')
    518   dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3)   dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//')
    519   if [ "$(echo ${dev} | cut -c1-2)" = sd ]   if [ "$(echo ${dev} | cut -c6-7)" = sd ]
    520   then   then
    521   if [ $(which kudzu 2>/dev/null) ]   if [ $(which hwinfo 2>/dev/null) ]
    522   then   then
    523   host=$(kudzu --probe -b scsi |   if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]]
      gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }')  
      if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ]  
    524   then   then
    525   needusb=1   needusb=1
    526   fi   fi
    # Line 739  add_initrd '#!/bin/sh' Line 771  add_initrd '#!/bin/sh'
    771    
    772  add_initrd 'mount -t proc proc /proc'  add_initrd 'mount -t proc proc /proc'
    773  add_initrd 'mount -t sysfs sysfs /sys'  add_initrd 'mount -t sysfs sysfs /sys'
    774  add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024'  add_initrd "if [[ -z \$(grep '[[:space:]]/dev[[:space:]]' /proc/mounts | cut -d ' ' -f2) ]]"
    775    add_initrd 'then'
    776    add_initrd ' # many video drivers needed exec access'
    777    add_initrd ' fstype=ramfs'
    778    add_initrd ' # tmpfs was suggested by Greg Kroah-Hartman'
    779    add_initrd " [[ \$(grep '[[:space:]]tmpfs' /proc/filesystems | cut -d \$'\\t' -f2) = tmpfs ]] && fstype=tmpfs"
    780    add_initrd ' # mount devtmpfs if supported'
    781    add_initrd " [[ \$(grep '[[:space:]]devtmpfs' /proc/filesystems | cut -d \$'\\t' -f2) = devtmpfs ]] && fstype=devtmpfs"
    782    add_initrd ' mount -t ${fstype} dev /dev -o exec,nosuid,mode=0755,size=10M'
    783    add_initrd 'fi'
    784    
    785  [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /'  [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /'
    786    
    # Line 759  add_initrd 'echo /sbin/mdev > /proc/sys/ Line 800  add_initrd 'echo /sbin/mdev > /proc/sys/
    800  for MODULE in ${MODULES}  for MODULE in ${MODULES}
    801  do  do
    802   text=""   text=""
    803   module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//")   module=$(echo ${MODULE} | sed "s|.*/||" | sed -e "s/.k\?o.\?g\?z\?$//" -e "s/.gz//")
    804   fullmodule=$(echo ${MODULE} | sed "s|.*/||")   fullmodule=$(echo ${MODULE} | sed -e "s|.*/||" -e "s/.gz//")
    805    
    806   options=$(sed -n -e "s/^options[     ][      ]*${module}[      ][      ]*//p" ${modulefile} 2>/dev/null)   options=$(sed -n -e "s/^options[     ][      ]*${module}[      ][      ]*//p" ${modprobeconf} 2>/dev/null)
    807    
    808   if [ -n "${options}" ]   if [ -n "${options}" ]
    809   then   then
    # Line 792  do Line 833  do
    833   add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online"   add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online"
    834   done   done
    835   fi   fi
    836    
    837     # get firmware files if neccessary
    838     if [ -x $(which modinfo 2> /dev/null) ]
    839     then
    840     firmware_blobs=$(modinfo ${module}${text} | grep 'firmware:' | sed 's:^firmware\:.*[[:space:]]\(.*\):\1:')
    841     if [[ ! -z ${firmware_blobs} ]]
    842     then
    843     for firmware in ${firmware_blobs}
    844     do
    845     add_firmware "${firmware}"
    846     done
    847     fi
    848     else
    849     echo "Warning 'modinfo' not found"
    850     fi
    851  done  done
    852    
    853    # respect rootdelay kernel param
    854    add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in rootdelay=*) ROOTDELAY="${i#*=}";; esac; done'
    855    add_initrd 'if [ ! -z "${ROOTDELAY}" ]; then echo "-- Requested a rootdelay of ${ROOTDELAY} seconds ..."; sleep ${ROOTDELAY};fi'
    856    
    857  # lvm support  # lvm support
    858  if [ -n "${vg_list}" ]  if [ -n "${vg_list}" ]
    859  then  then
    # Line 832  then Line 892  then
    892   done   done
    893  fi  fi
    894    
    895    # get the right initexec
    896    add_initrd "INITEXEC=\"${INITEXEC}\""
    897    # support init=* from cmdline
    898    add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in init=*) INITEXEC="${i#*=}";; esac; done'
    899    
    900  add_initrd 'echo "-- Mounting sysroot ..."'  add_initrd 'echo "-- Mounting sysroot ..."'
    901  add_initrd '. /etc/rootdev'  add_initrd '. /etc/rootdev'
     add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}'  
    902  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'  add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab'
    903  add_initrd 'mount /sysroot || ash'  add_initrd 'mount /sysroot || ash'
    904    
    # Line 844  add_initrd 'echo > /proc/sys/kernel/hotp Line 908  add_initrd 'echo > /proc/sys/kernel/hotp
    908  # de-silencio  # de-silencio
    909  add_initrd 'echo 3 > /proc/sys/kernel/printk'  add_initrd 'echo 3 > /proc/sys/kernel/printk'
    910    
    911    add_initrd 'BREAK_ENABLED=no'
    912    add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in break) BREAK_ENABLED=yes;; esac; done'
    913    add_initrd 'if [ "${BREAK_ENABLED}" = "yes" ]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi'
    914    
    915  add_initrd 'echo "-- Switching to real sysroot ..."'  add_initrd 'echo "-- Switching to real sysroot ..."'
    916  add_initrd 'umount /dev'  add_initrd 'mount --move /dev /sysroot/dev'
    917  add_initrd 'umount /sys'  add_initrd 'mount --move /sys /sysroot/sys'
    918  add_initrd 'umount /proc'  add_initrd 'mount --move /proc /sysroot/proc'
    919    
    920  [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console'  [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console'
    921  if [[ ${IMAGE_TYPE} = loopback ]]  if [[ ${IMAGE_TYPE} = loopback ]]
    922  then  then
    923   add_initrd 'cd /sysroot'   add_initrd 'cd /sysroot'
    924   add_initrd 'pivot_root . initrd'   add_initrd 'pivot_root . initrd'
    925   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"   add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new \${INITEXEC}'</dev/console >/dev/console 2>&1"
    926  fi  fi
    927    
    928  chmod +x ${DEST}/init || die  chmod +x ${DEST}/init || die
    # Line 862  chmod +x ${DEST}/init || die Line 930  chmod +x ${DEST}/init || die
    930  # setup root block device  # setup root block device
    931  [[ -z ${rootdev} ]] && die "no known rootdev found."  [[ -z ${rootdev} ]] && die "no known rootdev found."
    932  echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die  echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die
     echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die  
     echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die  
    933  echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die  echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die
    934    
    935  # install detected modules  # install detected modules
    # Line 873  do Line 939  do
    939   if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]   if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
    940   then   then
    941   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die   /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die
    942     # handle gzip compressed modules right
    943     elif [[ ${MODULE##*.} = gz ]]
    944     then
    945     zcat ${verbose} ${MODULE} > ${DEST}/lib/$(basename ${MODULE} .gz) || die
    946   else   else
    947   cp ${verbose} -a ${MODULE} ${DEST}/lib || die   cp ${verbose} -a ${MODULE} ${DEST}/lib || die
    948   fi   fi
    949  done  done
    950    
    951    # install firmware if neccessary
    952    if [[ ! -z ${FIRMWARE_FILES} ]]
    953    then
    954     for firmware in ${FIRMWARE_FILES}
    955     do
    956     if [ -e ${FIRMWARE_PATH}/${firmware} ]
    957     then
    958     echo "installing firmware '${firmware}'"
    959     install ${verbose} -d ${DEST}/${FIRMWARE_PATH}/${firmware%/*} || die
    960     cp ${verbose} -a ${FIRMWARE_PATH}/${firmware} ${DEST}/${FIRMWARE_PATH}/${firmware%/*} || die
    961     fi
    962     done
    963    fi
    964    
    965  # create the image  # create the image
    966  echo "Creating initrd image '${target}' ..."  echo "Creating initrd image '${target}' ..."
    967  if [[ ${IMAGE_TYPE} = initramfs ]]  if [[ ${IMAGE_TYPE} = initramfs ]]
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