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    Revision 3365 - (hide annotations) (download)
    Tue Mar 27 14:11:21 2012 UTC (12 years, 1 month ago) by niro
    File size: 12159 byte(s) 
    -backported linux-firmware and compression support from upstream
    1 niro 1661 # kernel26 global smage functions
    2 niro 1664 # $Id$
    3 niro 1661
    4     # needed extra vars:
    5 niro 3365 # ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image'
    6     # ${BRANCH}: needed, style branch of the kernel
    7     # ${KERNEL_CONFIG}: optional, needed if you want to override the default
    8     # searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
    9 niro 1661 #
    10 niro 3365 # ${PSUBVER}: optional, only needed for 2.6.x.x naming scheme
    11     # ${EXTRAVERSION}: optinal, extra version for the kernel name
    12     # default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
    13     # ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
    14     # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz)
    15     # ${LINUX_FIRMWARE}: remove included firmware bits if requested
    16     # set the version here like USE_LINUX_FIRMARE="20110605"
    17     # version "internal" keeps the bits too
    18     #
    19 niro 1661
    20 niro 1664 sminclude mtools
    21    
    22     # remove me when all distris support this:
    23     if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    24     then
    25     KERNEL_ARCH_EXTENSION="-${ARCH}"
    26     else
    27     KERNEL_ARCH_EXTENSION=""
    28     fi
    29    
    30 niro 3365 if [[ ! -z ${COMPRESS_MODULES} ]]
    31     then
    32     case ${COMPRESS_MODULES} in
    33     gzip)
    34     COMPRESS_MODULES_CMD="gzip -9v"
    35     SDEPEND="${SDEPEND}
    36     >= app-arch/gzip-1.4"
    37     ;;
    38     bzip2)
    39     COMPRESS_MODULES_CMD="bzip2 -9v"
    40     SDEPEND="${SDEPEND}
    41     >= app-arch/bzip2-1.0.6"
    42     ;;
    43     xz)
    44     COMPRESS_MODULES_CMD="xz -9v"
    45     SDEPEND="${SDEPEND}
    46     >= app-arch/xz-5"
    47     ;;
    48     none)
    49     echo "Disabled compressed kernel-modules!"
    50     COMPRESS_MODULES_CMD=""
    51     ;;
    52     *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    53     esac
    54     fi
    55    
    56 niro 1664 # some sane defaults
    57     : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    58     : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    59    
    60     : ${SRC_URI=(
    61     http://www.kernel.org/pub/linux/kernel/v${PVER:0:3}/${SRCFILE}
    62     mirror://kernel26-${BRANCH}/${SRCFILE}
    63     mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    64     mirror://kernel26-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    65     )}
    66    
    67     : ${DEPEND=">= sys-apps/module-init-tools-3.2
    68     >= sys-fs/udev-115
    69     >= sys-apps/mkinitrd-5.0.8
    70     >= sys-apps/initscripts-0.4.3"}
    71    
    72 niro 3365 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    73     then
    74     DEPEND="${DEPEND}
    75     >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    76     fi
    77    
    78 niro 1664 : ${PROVIDE="virtual/kernel"}
    79    
    80     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    81 niro 1661 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    82    
    83 niro 1664 # special vars for mage file only
    84     KPVER="${PVER}"
    85     KPBUILD="${PBUILD}"
    86     KBRANCH="${BRANCH}"
    87     SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    88    
    89 niro 1661 kernel26_src_prepare()
    90     {
    91     munpack ${SRCFILE} || die
    92     mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    93    
    94     # fix permissions
    95     chown -R 0:0 ${SRCDIR} || die
    96     chmod -R a+r-w+X,u+w ${SRCDIR} || die
    97    
    98     cd ${SRCDIR}
    99    
    100     # fixes INSTALL_PATH to /boot and EXTRAVERSION
    101     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    102     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    103     }
    104    
    105     kernel26_src_compile()
    106     {
    107     cd ${SRCDIR}
    108    
    109     make mrproper || die
    110    
    111     # inject our kernel config
    112     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    113 niro 1664 make ARCH=${ARCH/i*86/x86} oldconfig || die
    114 niro 1661
    115     case ${KERNEL_TYPE} in
    116     image)
    117 niro 1664 mmake ARCH=${ARCH/i*86/x86} || die
    118 niro 1661 ;;
    119    
    120     sources)
    121     make clean || die
    122    
    123     # needed to compile other programs like iptables
    124 niro 1664 make ARCH=${ARCH/i*86/x86} prepare || die
    125 niro 1661 # needed to cover >=2.6.14 builds
    126 niro 1664 # but deprecated with >=2.6.21, prepare cover all targets there
    127     [[ $(echo ${PVER} | sed "s:\.::g") < 2621 ]] && { make ARCH=${ARCH/i*86/x86} prepare-all || die; }
    128     make ARCH=${ARCH/i*86/x86} scripts || die
    129 niro 1661
    130     # at least alsa-drivers needs this one ...
    131     touch include/linux/autoconf.h || die
    132     ;;
    133     esac
    134     }
    135    
    136     kernel26_image_src_install()
    137     {
    138     cd ${SRCDIR}
    139    
    140     # needed directories
    141 niro 1664 minstalldir /boot || die
    142 niro 1661
    143     # install modules
    144 niro 1664 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    145 niro 1661
    146     # install kernelimage
    147 niro 1664 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    148     then
    149     local my_arch="${ARCH}"
    150     [[ ${my_arch} = i*86 ]] && my_arch=i386
    151     minstallfile arch/${my_arch}/boot/bzImage \
    152     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    153     || die
    154     else
    155     minstallfile ${KERNEL_IMAGE_PATH} \
    156     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    157     || die
    158     fi
    159 niro 1661
    160     # install System.map
    161 niro 1664 minstallfile System.map \
    162     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    163 niro 1661 || die
    164    
    165 niro 1664 # install Module.symvers in boot and /usr/src
    166     minstallfile Module.symvers \
    167     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    168     || die
    169     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    170     minstallfile Module.symvers \
    171     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    172     || die
    173    
    174 niro 1661 # install kernel description
    175     echo "
    176 niro 1664 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    177     KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    178     KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    179 niro 1661 KRNINITRD=
    180     " > ${BINDIR}/boot/kernelversion || die
    181    
    182     # install kernel-config from srcdir
    183 niro 1664 minstallfile .config \
    184     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    185 niro 1661 || die
    186    
    187     # fix build symlink
    188 niro 1664 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    189 niro 1661 then
    190     echo "fixing build symlink"
    191 niro 1664 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    192     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    193     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    194 niro 1661 || die
    195     fi
    196    
    197     # and fixing source symlink
    198 niro 1664 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    199 niro 1661 then
    200     echo "fixing source symlink"
    201 niro 1664 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    202     mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    203     /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    204 niro 1661 || die
    205     fi
    206 niro 3365
    207     # remove firmware bits if $LINUX_FIRMWARE was set
    208     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    209     then
    210     if [[ -d ${BINDIR}/lib/firmware ]]
    211     then
    212     rm -rv ${BINDIR}/lib/firmware
    213     fi
    214     fi
    215    
    216     # compress modules if COMPRESS_MODULES_CMD was set
    217     if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    218     then
    219     # compress all kernel modules
    220     find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    221     fi
    222 niro 1661 }
    223    
    224     kernel26_sources_src_install()
    225     {
    226     cd ${BUILDDIR}
    227    
    228     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    229     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    230    
    231     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    232 niro 1664 minstalldir /usr/src || die
    233 niro 1661 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    234     }
    235    
    236     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    237     # kernel26_external_modules_install path/to/SRCDIR DESTDIRNAME
    238     kernel26_external_modules_install()
    239     {
    240     cd ${BUILDDIR}
    241    
    242     local modsrc="$1"
    243     local moddest="$2"
    244     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    245    
    246     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    247     install -d ${moddir} || die
    248     mv ${modsrc} ${moddir}/${moddest} || die
    249     }
    250    
    251     kernel26_external_modules_tarball()
    252     {
    253     cd ${BUILDDIR}
    254    
    255     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    256     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    257     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    258    
    259     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    260 niro 1664 minstalldir /usr/src || die
    261 niro 1661 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    262     }
    263    
    264     kernel26_src_install()
    265     {
    266     case ${KERNEL_TYPE} in
    267     image)
    268     kernel26_image_src_install || die
    269     ;;
    270    
    271     sources)
    272     kernel26_sources_src_install || die
    273     ;;
    274     esac
    275     }
    276    
    277     kernel_major_version()
    278     {
    279     local ksrc="$@"
    280     local kv
    281    
    282     if [[ -z ${ksrc} ]]
    283     then
    284     kv="$(uname -r|cut -d. -f1-2)"
    285     else
    286     local version
    287     local patchlevel
    288    
    289     # get version from makefile
    290     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    291     # get patchlevel from makefile
    292     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    293     # kernelversion
    294     kv="${version}.${patchlevel}"
    295     fi
    296    
    297     echo "${kv}"
    298     }
    299    
    300     mod_suffix()
    301     {
    302     local ksrc="$@"
    303     local mod_suffix
    304    
    305     if [[ $(kernel_major_version ${ksrc}) = 2.6 ]]
    306     then
    307     mod_suffix="ko"
    308     else
    309     mod_suffix="o"
    310     fi
    311    
    312     echo ${mod_suffix}
    313     }
    314    
    315 niro 1664 kernel26_image_preinstall()
    316     {
    317     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    318     then
    319     mount /boot &> /dev/null
    320     fi
    321     }
    322    
    323     kernel26_image_preremove()
    324     {
    325     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    326     then
    327     mount /boot &> /dev/null
    328     fi
    329     }
    330    
    331     kernel26_image_postremove()
    332     {
    333     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    334     then
    335     # remove old image entry from grub
    336     new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    337     fi
    338     }
    339    
    340     kernel26_image_postinstall()
    341     {
    342     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    343    
    344     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    345     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    346     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    347    
    348     [ -x ${MROOT}/sbin/depmod ] &&
    349     ${MROOT}/sbin/depmod -ae \
    350     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    351     ${KPVER}-${KBRANCH}-${KPBUILD}
    352    
    353     # do not run this if ${MROOT} is set !
    354     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    355     then
    356     new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    357     fi
    358    
    359     # symlink actual kernel to /boot/vmlinuz etc...
    360     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    361     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    362     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    363     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    364     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    365     }
    366    
    367     kernel26_sources_postinstall()
    368     {
    369     # check for linux-VERSION/include as the kernel-image installs
    370     # the file Modules.symver in the linux-VERSION directory
    371     if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    372     then
    373     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    374     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    375     fi
    376    
    377     if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    378     [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    379     then
    380     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    381     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    382     fi
    383    
    384     # if not exist create linux symlink
    385     if [ ! -h ${MROOT}/usr/src/linux ]
    386     then
    387     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    388     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    389     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    390     ${MROOT}/usr/src/linux || die
    391     fi
    392    
    393     # if not exist create kernel-modules symlink
    394     if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    395     [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    396     then
    397     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    398     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    399     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    400     ${MROOT}/usr/src/kernel-modules || die
    401     fi
    402     }
    403    
    404 niro 1661 export_inherits kernel26 src_prepare src_compile src_install
    405 niro 1664
    406     # export pre/postinstall functions depending on KERNEL_TYPE
    407     case ${KERNEL_TYPE} in
    408     image)
    409     export_inherits kernel26_image preinstall preremove postinstall postremove
    410     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_image_preinstall kernel26_image_preremove kernel26_image_postinstall kernel26_image_postremove"
    411     ;;
    412     sources)
    413     export_inherits kernel26_sources postinstall
    414     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel26_sources_postinstall"
    415     ;;
    416     esac